• 专利附录
  • 专利说明
  • 权利要求
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    • 专利摘要:
    AUTOMATIC WIRE RETRACTION METHOD This is a method that provides a manual welding device configured to supply a welding wire (136) to a welding gun (130). The welding gun (130) has a trigger (134) and an opening in which the welding wire (136) extends when the trigger (134) is activated. The method also has a computer with a user interface that includes an automatic wire retraction program. The program monitors the welding gun (130) and determines when the trigger (134) is disabled. The program indicates when a first condition is satisfied and retracts the welding wire (136) so the welding wire (136) does not extend from the opening of the welding gun (130).
    公开号:BR112013014893B1
    申请号:R112013014893-4
    申请日:2011-12-02
    公开日:2021-03-09
    发明作者:Edward D. Hillen；David Kempert
    申请人:Lincoln Global , Inc；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    The invention described in this document generally relates to an automatic wire retraction method for a manual welding apparatus. In addition, the invention relates to the remodeling or modification of a manual welding apparatus to include an automatic wire retraction method. BACKGROUND OF THE TECHNIQUE
    Manual welding devices are configured to be operated by welders and other professionals. Manual welding devices often include welding wire feeders that advance the welding wire to a welding gun when a welder activates a welding gun trigger. After welding, a punctured end of the welding wire extends from the welding gun, which possibly exposes welders and other professionals to a potentially unsafe condition. SUMMARY OF THE INVENTION
    In view of the foregoing problems and deficiencies of the existing manual welding apparatus, the present application describes a manual welding apparatus that uses a method to overcome these deficiencies.
    The problem is solved by an automatic yarn retraction method according to claims 1, 7 and 9. Particularly preferred modalities can be taken from the sub claims. In accordance with the present invention, a method of providing a manual welding apparatus configured to supply a welding wire to a welding gun is provided. The welding pole has a trigger and an opening where the welding wire extends when the trigger is activated. The method also has a computer with a user interface that includes an automatic wire retraction program. The program monitors the welding gun and determines when the trigger is disabled. The program indicates when a first condition is met and retracts the welding wire so the welding wire does not extend from the opening of the welding gun.
    Also within the scope of the invention is an automatic wire retraction method for supplying a manual welding apparatus that has at least one welding power source, a wire feeder configured to supply a welding wire, and a welding gun. welding that has a trigger and an opening from which the welding wire extends. The method includes an automatic yarn retraction program that has a retraction delay time. The manual welding apparatus is configured to include the automatic wire retraction program. The program monitors when the trigger is enabled to extend the welding wire from the wire feeder to the opening and extends the welding wire outside the welding gun opening. The program also determines a first 25 amount of time when the trigger is disabled. In addition, the program determines when the first amount of time is at least equal to the retraction delay time when the trigger is disabled for the first amount of time. The program then 30 retracts the welding wire at the opening of the welding gun in such a way that the welding wire does not extend from the opening of the welding gun. Preferably, the manual welding apparatus further comprises a supply of welding gas configured to protect a weld made from the manual welding apparatus.
    Also within the scope of the invention is a method of locating a manual welding apparatus that does not have an automatic wire retraction program and means for modifying the manual welding apparatus so that the automatic wire retraction program is enabled.
    These and other objectives of this invention will be evident when viewed in the light of the drawings, detailed description and attached claims. BRIEF DESCRIPTION OF THE DRAWINGS
    The invention can take physical form of certain parts and dispositions of parts, a preferred embodiment of which will be described in detail in the specification and illustrated in the accompanying drawings that form a part of it, and of which: Figure 1 is a perspective view a manual welding apparatus; Figure 2 is a side view of a welding gun in Figure 1; Figures 3a to 3c are enlarged cross-sectional views through the mouthpiece of Figure 2; Figures 4a to 4c are enlarged cross-sectional views of another nozzle modality; Figures 5a to 5c are enlarged cross-sectional views of yet another nozzle modality; Figures 6a ~ 6c are side views - of a tip of an alternative welding gun; Figure 7 is a flow chart that illustrates an embodiment of an automatic yarn retraction method; and Figure 8 is a flow chart that illustrates a method for modifying a manual welding apparatus. DETAILED DESCRIPTION
    The best way to carry out the invention will now be described for the purpose of illustrating the best way known to the applicant at the time of filing that Patent Application. The examples and Figures are illustrative only and are not intended to limit the invention, which is measured by the scope and spirit of the claims.
    Referring now to the drawings in which the 15 drawings are for the purpose of illustrating the preferred embodiment of the invention only and not for the purpose of limiting it, as illustrated in Figure 1, manual welding apparatus 100 includes a welding power source 102, wire feeder 104, and gas supply 10 6. Welding power source 20 includes power cables 108, control cable 110, and power supply cable (not shown). Power cables 108 include a ground wire and clamp 112 connected to a work piece and power cable 114 configured to connect to wire feeder 104. Control cable 110 can be configured to connect to wire feeder 104 In another embodiment (not shown), control cable 110 can be configured to be wireless. It is understood that the welding power source 102, the power cables 108, and the control cable 110 may have any suitable configuration for supplying power to the welding controls at the manual welding apparatus 100.
    Additionally illustrated in Figure 1, tube 116 and regulator 118 are configured to connect gas supply 106 to wire feeder 104. Gas supply 106 can include inert gases, active gases, or a combination of both, which include, however, without limitation to argon, helium, carbon dioxide, argon and helium, argon and hydrogen, and other combinations of gas. In another embodiment (not shown), the manual welding apparatus 100 uses the welding wire that is coated with a material that forms a gas shield when burned, so a gas supply may not be included in the manual welding apparatus 100 It is understood that the gas supply can be any gas or combination of gases configured to protect a weld from the atmosphere.
    As shown in Figure 1, the wire feeder 104 can include housing 120, gearbox 122, wire bobbin assembly 124, and user interface 126. Extending from gearbox 122 is hose 128 which is configured to connect to welding gun 130. Housing 120 can be connected to user interface 126 and gearbox 122. In addition, control cable 110 and power cable 114 extending from the power source of welding 102 and tube 116 extending from gas supply 106 are configured to connect to housing 120, gearbox 122, and hose 128. Gearbox 122 includes at least a plurality of rollers (not shown) that advance and retract the welding wire (not shown) and a wire guide (not shown) that controls the welding wire. It is understood that wire feeder 104 may have any suitable configuration for receiving a gas supply, a power supply and welding controls.
    Extending between the gearbox 122 and the welding gun 130 is the hose 128 which can contain the welding wire and wire duct, a gas line, and a welding gun trigger switch connection. In another embodiment (not shown), as discussed above, hose 128 does not include a gas line. In yet another embodiment (not shown), hose 128 may include a control cable configured to connect welding gun 130 to at least one of the following 15: welding power source 102, wire feeder 104, and power supply. gas 106. Hose 128 can have any diameter and length configured to contain the welding wire, the gas hose, and the switch connection. Hose 128 is made of any material suitable for welding environments.
    It is understood that the hose 128 and the welding gun 130 can have any suitable configuration to supply the welding wire, welding gas, and controls through the hose and the welding gun.
    In the illustrated embodiment of the manual welding apparatus 100, user interface 126 includes at least one of the following: a control system, a computer, a software program, and a definition program. For example, user interface 126 on welding apparatus 30 manual 100 may include an automatic wire retraction program configured to revert to "gearbox —12-2- on wire feeder 104 then the exposed welding wire (not shown) retracts from an opening or end of the welding gun. The automatic wire retraction program 5 is designed to prevent a welder from being exposed to a potentially sharp end of the welding wire that could trap or extend beyond from the opening or end of the welding gun 130. The password protected automatic wire retraction program 10 so that supervisors and other management professionals can maintain control of the automatic wire retraction program.
    In an embodiment of the automatic wire retraction program, a welder discontinues using the manual welding apparatus 100 for more than a first amount of time and the automatic wire retraction program is configured to retract the welding wire from the opening or of the welding gun tip for a second amount of time. For example, user interface 126 may include a first definition in which a retraction delay time is defined and a second definition in which a retraction time is defined. After these settings are made, if a welder discontinues using the apparatus for a period of time greater than 25 the first specified amount of time, then the wire feeder retracts the welding wire for the second amount of time.
    In another embodiment, the automatic wire retraction program is configured to retract the welding wire from the opening or the end of the welding gun by a predetermined distance when a welder discontinues the use of the manual welding apparatus 100 for more than a first amount of time. For example, user interface 126 may include a first definition in which a retraction delay time is defined and a second definition in which a retraction distance is defined.
    In yet another embodiment, in a welder that discontinues using a manual welding apparatus 100 for 10 more than a first amount of time, the automatic wire retraction program is configured to retract the welding wire from the opening or end of the welding gun until a sensor system (not shown) indicates that the end of the welding wire is in a safe zone (not shown) within the welding gun 130. For example, the automatic wire retraction program can retract the welding wire until the sensor is activated, where the sensor indicates that the end of the welding wire is contained within the nozzle, the tip (not shown), or both the nozzle and the tip. The method of automatic wire retraction for manual welding devices will be further discussed below. It is understood that the user interface and the automatic wire retraction program can be configured in any way so that the end of the welding wire in a manual welding device retracts in a portion of the welding gun, for example , a tip and a nozzle, so a welder is exposed to a potentially sharp welding wire.
    As shown in Figure ~ 21, hose 128 is configured to connect to a welding gun 130 in proximity to a welding gun handle 132. Trigger 134 on handle 132 is configured to advance welding wire 136 from from the wire feeder gearbox (not shown) through hose 128 and handle 132, and additionally along neck 138 and nozzle 140. Nozzle 140 is configured to be removably attached to neck 138. In addition, trigger 134 can be configured to control the welding shield gas. For example, welding wire 136 extends from nozzle 140 and welding shielding gas wraps around the welding wire when a welder acts on trigger 134. In another embodiment (not shown), neck 138 may be longer or smaller and can bend at an angle different from that shown in Figure 2. It is understood that the welding gun 130 can have any configuration suitable for a welder to control the advance of the welding wire and the supply of the welding shield gas .
    Additionally illustrated in Figure 2 is a cross-section of the nozzle 140 which may include the insulating protrusion 142 which is configured to prevent heat from being transferred from the nozzle 140 to at least one of the following: the neck 138 and the welding gun handle 132. Inside the nozzle 140, the tip 144 is configured to be removably attached to the neck 138. The tip 144 is additionally configured to guide the welding wire 136 along a center of the nozzle 140 and to allow the flue gas welding is emitted from the gas passages 146 to protect the welding wire 136 from the surrounding environment. In another embodiment (not shown) - the welding gun includes handle 132, trigger 134, neck 138, tip 144, and gas passages 146; welding gun 130 may not include nozzle 140. It is understood that nozzle 5 140 may have any configuration suitable for a welder to control the welding wire and the supply of a welding shield gas. Figures 3a to 3c are enlarged cross-sectional views of the nozzle 140 of Figure 2 in which the tip 144 is configured to be inside the end 140a of the nozzle 140. The series of Figures 3a to 3c illustrate an example of how the welding apparatus manual 100 is configured to operate when using the automatic wire retraction program. For the purposes of this example, Figure 3a shows a cross section 15 of the nozzle 140 for an initial welding condition before a welder uses the hand welding apparatus 100. Figure 3a shows nozzle 140 that has the welding wire 136 extending of the tip 144, where the welding wire 136 and the tip 144 are completely inside 20 of the end 140a of the nozzle 14 0. Figure 3b shows a cross section of the nozzle after a welder uses the manual welding apparatus 100. According to shown in Figure 3b, the welding wire 136 extends beyond the end 140a of the nozzle 140, potentially exposing the welder to one end of the welding wire 136. By enabling the automatic wire retraction program via user interface 126, the manual welding apparatus 100 is configured to automatically retract the end of the welding wire 136 into the end 30 140a of the nozzle 140 when a welder stops welding by a specified amount each time, as shown in Figure 3c. For example, if a welder interrupts welding for 20 seconds, the automatic wire retraction program would retract the welding wire so it is exposed to the welder. In another embodiment (not shown), the nozzle and tip may be larger or smaller than shown in Figures 3a to 3c. It is understood that a manual welding apparatus 100 can be configured with the automatic wire retraction program so that the welding wire retracts at least inside the end 140a of the nozzle 140 when a welder stops welding for a specified amount of time. time. The times mentioned above are for illustrative purposes only and both the longest and shortest periods of time are within the scope of this invention. Figures 4a to 4c are enlarged cross-sectional views of nozzle 140 of Figure 2 in which the tip 144 is configured to extend beyond the end 140a of the nozzle 140. Similar to the series of Figures 3a to 3c above, the series of Figures 4a to 4c illustrate an example of how the manual welding apparatus 100 is configured to operate when using the automatic wire retraction program. Again, for the purposes of this example, Figure 4a shows a cross section of the nozzle 140 for an initial welding condition before a welder uses the hand welding apparatus 100. Figure 4a shows nozzle 140 and the tip 144, where the wire welding nozzle does not extend from tip 144 and nozzle 144 extends beyond end 140a of nozzle 140. Figure 4b shows a nozzle cross section after a welder uses the 10 0 manual welding device. shown in Figure 4b, of io_de — welding — 1-3 6- extends from tip end 144, which potentially exposes the welder to a welding wire end 136. By enabling the automatic wire retraction program 5 through the interface User 126, the manual welding apparatus 100 is configured to automatically retract the welding wire end 136 inside the tip end 144 when a welder stops welding for a specified amount of time, as shown in the illustration. shown in Figure 4c. In another embodiment (not shown), the tip may be larger or smaller than shown in Figures 4a to 4c. Figures 5a to 5c are enlarged cross-sectional views of another embodiment of nozzle 140 of Figure 2 at 15 in which the tip 144 is configured to be within the end 140a of nozzle 140. In addition, the nozzle includes at least one sensor 148 configured to indicate the welding wire location 136. The at least one sensor may include at least one of the following proximity sensors: mechanical, electrical, optical, laser, ultrasonic and the like. The series of Figures 5a to 5c illustrate an example of how a manual welding apparatus 100 is configured to operate when using the automatic wire retraction program with at least one sensor. Figure 5a shows a cross section 25 of nozzle 140 for an initial welding condition before a welder uses hand welding apparatus 100. Figure 5a shows nozzle 140 and tip 144, where the welding wire does not extend of tip 144 and at least one sensor 148 does not detect welding wire 136. Figure 5b shows a nozzle cross section after a welder uses the welding device_manuat — 1-00 -; - As shown in Figure 5b, welding wire 136 extends beyond the nozzle end 140 and tip 144, which potentially exposes the welder to a welding wire end 136. By enabling the automatic wire retraction program via user interface 126, manual welding apparatus 100 is configured to automatically retract the welding wire end 136 into the nozzle end 140a 140 when a welder stops welding. The welding wire will retract until the welding wire activates at least one sensor 148 which indicates that the end of the welding wire is inside the nozzle 140 or inside the tip 144, as shown in Figure 5c. In another embodiment (not shown), the tip may be larger or smaller than shown in Figures 5a to 5c. In yet another embodiment (not shown), the number of sensors 148 can be a number less or greater than the number illustrated in Figures 5a to 5c. Figures 6a to 6c are side views of tip 144 of an alternative welding gun in which the welding gun (not shown) does not include a nozzle so the entire tip 144 is exposed. The series of Figures 6a to 6c illustrate an example of how a manual welding apparatus 100 is configured to operate when using the automatic wire retraction program. Figure 6a shows a side view of tip 144 for an initial welding condition before a welder uses hand-held apparatus 100. Figure 6a shows where the welding wire does not extend from exposed tip 144. Figure 6b shows the side view of the tip 144 after a welder uses the hand-held welding machine 1001 As shown in Figure 6b, —the welding wire 136 extends from the end of the tip 144, which potentially exposes the welder to one end of the wire welding machine 136. By enabling the automatic wire retraction program via user interface 126, manual welding device 100 is configured to automatically retract the end of the welding wire 136 inside the tip end 144 when a welder stops welding for a specified amount of time, as shown in Figure 6c. In another embodiment (not shown), the tip may be larger or smaller than shown in Figures 6a to 6c. Figure 7 is a flowchart illustrating a modality of an automatic wire retraction method 7 00 for hand welding apparatus 100. As shown in Figure 7, a manual welding apparatus is configured to connect at 702. At 704, a computer having an automatic wire retraction program determines whether a user is trying to access the setting menu through the user interface or computer. If the user is trying to access the setting menu at 704, the computer determines whether the setting menu is locked at option 7 06. If the setting menu is locked at option 706, the computer determines whether the user enters the correct password at 7 08. If the definition menu is locked and the user does not enter the correct password, the computer blocks access to the definition parameters and returns the user to a previous user interface option in 710. If the definition menu is locked and the user enter the correct password, the computer allows user access to habilltar or sabi1i tar setting settings — the automatic wire retraction program at 712. After the user enables or disables the automatic wire retraction and any related parameters, the computer returns the user to a previous user interface option in 714. For example, the user can adjust at least one of the following parameters, including: a retraction delay time, a retraction time, a retraction distance and proximity sensor parameters.
    If the user is not trying to access the setting menu at 704, the computer determines whether the welding gun trigger is enabled at 716. If the welding gun trigger is not enabled and the manual welding device is powered, the computer wait until the welding gun trigger is enabled or the user tries to access the setting menu at 718. If the welding gun trigger is enabled at 716, the wire feeder starts and the welding power source supplies power at 720. At 722, the computer determines whether the welding gun trigger is disabled. If the welding gun trigger is not disabled, the computer monitors the welding gun trigger at 724. When the welding gun trigger is disabled at 722, the computer determines whether the welding arc is extinguished at 726. If the welding arc is not extinguished in 726, the computer monitors the welding arc in 728.
    When the welding arc is extinguished at 726, the computer tracks a delay time delay and determines whether the delay time delay is greater than — a — retraction delay time defined in the user interface at 730. For example, the retraction delay time can be any time greater than zero. If the timeout delay is less than the retraction delay time set in the user interface, the computer continues to monitor the timeout delay. If the delay time delay is at least equal to the retraction delay time set in the user interface, the computer checks to see that the welding gun trigger is enabled in 732. If the welding gun trigger is enabled in 732, the wire feeder starts and the welding power source supplies power at 720. If the welding gun trigger is not enabled at 732 and the delay time delay is at least equal to the set retraction delay time in the user interface, the automatic wire retraction program retracts the welding wire based on the user interface parameters in 734. For example, the welding wire can retract for a specified amount of time or distance. At 736, the computer determines whether the welding gun trigger is enabled. If the welding gun trigger is enabled in 736, the wire feeder starts and the welding power source supplies power in 720. If the welding gun trigger is not enabled in 736, in 738 the computer returns to the beginning of the method in 704.
    In another modality of the method, the computer monitors the gearbox drive motor in the wire feeder for excess current or torque, in which the excess current or torque can indicate -r-a-problem— with the retraction method automatic wire. In any case, it should be understood that the manual welding apparatus 100 using the automatic wire retraction method 700 can be configured so that the welding wire retracts at least inside the end 140a of the nozzle 140 or tip 144 when a welder stops welding for a specified amount of time.
    In yet another embodiment (not shown) of an automatic wire retraction method 700 for hand welding apparatus 100, method 700 includes at least one of the following method steps. If a welding gun trigger is enabled, a wire feeder starts and a welding power source supplies power. A computer is configured to determine if the welding gun trigger is disabled. If the welding gun trigger is not disabled, the computer monitors the welding gun trigger. Alternatively, when the welding gun trigger is disabled, the computer determines whether a welding arc is extinguished. If the welding arc is not extinguished, the computer monitors the welding arc. Once the welding arc is extinguished, the computer is configured to track a delay time delay and determines whether the delay time delay is greater than a retraction delay time defined in the user interface. If the timeout delay is less than the retraction delay time set in the user interface, the computer continues to count the timeout delay. If the wait time delay is at least equal to the set-cool-down time — in the user interface, the computer checks to see that the welding gun trigger is enabled. If the welding gun trigger is enabled, the wire feeder starts and the welding power source supplies power. If the welding gun trigger is not enabled and the waiting time delay is at least equal to the retraction delay time set in the user interface, the automatic wire retraction program retracts the welding wire. Figure 8 is a flow chart that illustrates a modality of an automatic wire retraction method for a remodeling or modification of a manual welding apparatus. As shown in Figure 8, a manual welding device is located so that it does not have an automatic wire retraction program in 802. In 804, a manual welding device that was once manufactured or sold is remodeled or modified with a program automatic wire retraction. For example, at least one of the following is added or modified in the manual welding apparatus, which includes: a software program, hardware, a relay, a printed circuit board, a wiring harness, a user interface and the like.
    A computer or user interface 126 that may include a computer that has an automatic wire retraction program illustrates a possible hardware configuration to support the systems and methods described in this document, including methods 700 and 800 above. In order to provide additional context for the various aspects of the present invention, the following discussion is intended to provide a brief description g and r a 1 — of — a suitable computing environment in which the various aspects of the present invention can be deployed. Those skilled in the art will recognize that the invention can also be implemented in combination with other program modules and / or as a combination of hardware and software. Program modules generally include routines, programs, components, data structures, etc., that perform particular tasks or deploy particular abstract data types.
    Furthermore, those skilled in the art will appreciate that inventive methods can be practiced with other computer system configurations, including single processor or multiple processor computer systems, minicomputers, main computers, as well as personal computers, portable computing, microprocessor-based or programmable consumer electronics and the like, each of which can be operatively coupled to one or more associated devices. The illustrated aspects of the invention can also be practiced in distributed computing environments where certain tasks are performed by remote processing devices that are connected via a network of communications. In a distributed computing environment, program modules can be located on both local and remote memory storage devices.
    The computer or user interface 126, which may include a computer that has an automatic wire retraction program 30, can use an exemplary environment to impact various aspects of the invention — including — a computer, on which the computer includes a processing unit, system memory and a system bus. The system bus couples system components, which include, without limitation, the system memory to the processing unit. The processing unit can be any one of several commercially available processors. Dual processors and other multiprocessor architectures can also be employed as the processing unit.
    The system bus can be any one of several types of bus structure including a memory bus or memory controller, a peripheral bus and a local bus that uses any one of a variety of commercially available bus architectures. System memory can include read-only memory (ROM) and random access memory (RAM). A basic input / output system (BIOS), which contains the basic routines that help to transfer information between elements inside the computer, such as during startup, is stored in ROM.
    The computer or user interface 126 that may include a computer that has an automatic wire retraction program 25 may additionally include a hard disk drive, a magnetic disk drive, for example, for reading or writing a removable disk, and an optical disc drive, for example, to read a CD-ROM drive or to read or write other optical media. The computer 30 or the user interface 12 6 that can include a computer that has an automatic retraction program — wire can include at least some form of computer-readable media. The computer-readable media can be any available media that can be accessed by the computer. By way of example, and not by limitation, computer-readable media can comprise computer storage media and communication media. Computer storage media includes volatile and non-volatile, removable and non-removable media deployed in any method or technology for storing information such as computer-readable instructions, data structures, program modules or other data. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile discs (DVD) or other magnetic storage devices, or any other medium that can be used to store the desired information that can be accessed through the user interface 126.
    The communication medium typically incorporates computer-readable instructions, data structures, program modules or other data into a modulated data signal such as a carrier or other transport mechanism and includes any information distribution medium. The term "modulated data signal" means a signal that has one or more of its characteristics defined or changed in such a way as to encode information in the signal. By way of example, and not by limitation, the communication media includes wire media such as a wire network or direct wiring connection, and wireless media, such as òcticcision — RF, —infrared — and — other media without thread. Combinations of any of the above should also be included within the scope of computer-readable media.
    A series of program modules can be stored in drives and RAM, including an operating system, one or more application programs, other program modules, and program data. The operating system on the computer or the user interface 126 can be any of a number of commercially available operating systems.
    In addition, a user can enter commands and information on the computer using a keyboard and a pointing device, such as a mouse. Other input devices may include a microphone, an IR remote control, a stationary mouse, a pen input device, a joystick, a game pad, a graphics tablet, a satellite dish, a scanner, or the like. These and other input devices are often connected to the processing unit via a serial port interface that is coupled to the system bus, but can be connected via other interfaces, such as a parallel port, a game port, a serial bus universal ("USB"), an IR interface, and / or various wireless technologies. A monitor or other type of display device can also be connected to the system bus via an interface, such as a video adapter. Visual output can also be completed via a Remote Display Network Protocol such as Desktop Protocol
    Remote, VNC, X-Window System, etc. In addition to the visual output, a computer typically includes other peripheral output devices, such as speakers, printers, etc.
    A display can be used with user interface 126 to present data that is electronically received from the processing unit. For example, the display can be an LCD, plasma, CRT monitor, etc. which presents data electronically. Alternatively or additionally, the display can show data received in a hard copy format such as a printer, facsimile, plotter, etc. The display can display data in any color and can receive data from the user interface 12 6 via any protocol and / or standard wirelessly or wired.
    The computer can operate in a networked environment that uses logical and / or physical connections to one or more remote computers, such as remote computer (s). The remote computer (s) may be a workstation, a server computer, a router, a personal computer, a microprocessor-based entertainment appliance, a peer device or other common network node, and typically includes many or all of the elements described in relation to the computer. The logical connections pictured include a local area network (LAN) and a wide area network (WAN). Such network environments are commonplace in offices, corporate computer networks, intranets and the Internet.
    When used in a LAN environment, the computer is connected to the local network via a network interface ^ or ^ adapter. When used in a WAN network environment, the computer typically includes a modem, or is connected to a communications server on the LAN, or has other means of establishing communications over the WAN, such as the Internet. In a networked environment, the portrayed program modules related to the computer, or portions thereof, can be stored on the remote memory storage device. It will be appreciated that the network connections described in this document are exemplifiers and other means of establishing a communications link between computers can be used.
    Although the invention has been described with reference to certain modalities, it will be understood by those skilled in the art that various changes can, be made and equivalents can be substituted without departing from the scope of the invention. In addition, many modifications can be made to adapt a particular or material situation to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention is not limited to the particular disclosed modalities, but that the invention will include all modalities that are within the scope of the appended claims.

    权利要求:
    Claims (22)
    [0001]
    1. Automatic wire retraction method comprising: providing a manual welding device (100) that has at least one welding power source (102), a wire feeder (104) configured to supply a welding wire (136) , and a welding gun (130) having a trigger (134) and an opening, the welding wire (136) extending from the opening portion; characterized in that the method provides an automatic yarn retraction program that has a retraction delay time; configure the manual welding apparatus (100) to include the automatic wire retraction program; monitor when the trigger (134) is enabled to extend the welding wire (136) from the wire feeder (104) to the opening, and which extends the welding wire (136) outside the welding gun opening (130) ; determining a first amount of time when the trigger (134) is disabled; determining when the first amount of time is at least equal to the retraction delay time, where the trigger (134) is disabled during the first amount of time; and retracting the welding wire (136) at the opening of the welding gun (130) in such a way that the welding wire (136) does not extend from the opening of the welding gun (130).
    [0002]
    Method according to claim 1, characterized in that said step of retracting the welding wire (136) at the opening of the welding gun (130) is configured to retract for a retraction time; where the retraction time is configured in the automatic wire retraction program.
    [0003]
    Method according to claim 1, characterized in that said welding wire retraction step (136) at the welding gun opening (130) is configured to retract by a retraction distance; where the retraction distance is configured in the automatic wire retraction program.
    [0004]
    Method according to any one of claims 1 to 3, characterized in that the welding gun (130) additionally comprises at least one sensor (148) configured to indicate one end of the welding wire (136), wherein a parameter sensor and retraction step are configured to determine when the retraction step is complete.
    [0005]
    Method according to any one of claims 1 to 4, characterized in that the wire feeder (104) additionally comprises a user interface (136) configured to define the retraction delay time and at least one of the following: a retraction time, a retraction distance and a sensor parameter.
    [0006]
    Method according to any one of claims 1 to 3, characterized in that the automatic wire retraction program is configured to include a password program to enable the adjustment of at least one of the following: the retraction delay time , a retraction time, a retraction distance and a sensor parameter.
    [0007]
    Method according to any one of claims 1 to 3, characterized in that the opening of the welding gun (130) comprises a nozzle (140) having a nozzle end (140a) and a tip (144), wherein the welding wire (136) retracts into the tip (144) at the end of the retraction step or where the welding wire (136) does not extend beyond the nozzle end (140a) through the end (144) of the retraction.
    [0008]
    Method according to any one of claims 1 to 3, characterized in that the opening of the welding gun (130) comprises a tip (144), wherein the welding wire (136) retracts into the tip (144) at the end of the retraction step, or where the welding wire does not extend beyond the tip at the end of the retraction step.
    [0009]
    9. Automatic wire retraction method characterized by comprising: locating a manual welding device (100) that does not include an automatic wire retraction program, the manual welding device (100) configured to supply a welding wire (136) , and a welding gun (130) having a trigger (134) and an opening from which the welding wire (136) extends; means for modifying the manual welding apparatus (100) so that it includes the automatic wire retraction program; enable the automatic wire retraction program; and retracting the welding wire (136) at the opening of the welding gun (130) so that the welding wire (136) does not extend from the opening of the welding gun (130).
    [0010]
    Method according to claim 9, characterized in that it further comprises means for retracting a welding wire.
    [0011]
    Method according to claim 9 or 10, characterized in that it further comprises means for determining a first amount of time when the trigger (134) is disabled or includes determining a first amount of time when the trigger (134) is disabled, and further determines when the first amount of time is at least equal to the retraction delay time.
    [0012]
    Method according to claim 9 or 10, characterized in that it further comprises configuring the user interface (126) to include the retraction delay time and a retraction time or retraction distance.
    [0013]
    Method according to claim 9 or 10, characterized in that it additionally comprises at least one sensor (148) and configures the user interface (126) to include the retraction time and a sensor parameter, in which at least one sensor (148) is configured to indicate one end of the welding wire, where the sensor parameter and the retraction step are configured to indicate when to stop the retraction step.
    [0014]
    Method according to claim 9 or 10, characterized in that the opening of the welding gun (130) comprises a nozzle (140) having a nozzle end (140a) and a tip (144), wherein the wire welding rod (136) retracts into the tip (144) at the end of the retraction step or where the welding rod (136) does not extend beyond the nozzle end (140a) through the end (144) of the retraction step.
    [0015]
    Method according to claim 9 or 10, characterized in that the opening of the welding gun (130) comprises a tip (144), wherein the welding wire (136) retracts into the tip (144) until the end of the retraction step, or where the welding wire does not extend beyond the tip until the end of the retraction step.
    [0016]
    16. Automatic wire retraction method comprising: providing a manual welding device (100) configured to supply a welding wire (136) to a welding gun (130), where the welding gun (130) has a trigger (134) and an opening in which the welding wire (136) extends when the trigger (134) is activated; characterized in that the method provides a computer with a user interface (126) that includes an automatic wire retraction program; monitor the welding gun (130); determine when the trigger (134) is disabled; configure the automatic wire retraction program to indicate when a first condition is met; and retracting the welding wire (136) in such a way that the welding wire (136) does not extend from the opening of the welding gun (130).
    [0017]
    17. Method according to claim 16, characterized in that the first condition is a retraction delay time.
    [0018]
    Method according to claim 16 or 17, characterized in that it further comprises means for determining a first amount of time when the trigger (134) is disabled or includes determining a first amount of time when the trigger (134) is disabled, and further determines when the first amount of time is at least equal to the retraction delay time.
    [0019]
    19. Method according to claim 16 or 17, characterized in that it further comprises configuring the user interface (126) to include the retraction delay time and a retraction time or retraction distance.
    [0020]
    20. Method according to claim 16 or 17, characterized by additionally comprising at least one sensor (148) and configuring said user interface (126) to include the retraction delay time and a sensor parameter, wherein the at least one sensor (148) is configured to indicate one end of the welding wire, where the sensor parameter and the retraction step are configured to indicate when to interrupt the retraction step.
    [0021]
    21. Method according to claim 16 or 17, characterized in that the opening of the welding gun (130) comprises a nozzle (140) having a nozzle end (140a) and a tip (144), wherein the wire welding rod (136) retracts into the tip (144) at the end of the retraction step or where the welding rod (136) does not extend beyond the nozzle end (140a) through the end (144) of the retraction step.
    [0022]
    22. The method of claim 16 or 17, characterized in that the opening of the welding gun (130) comprises a tip (144), wherein the welding wire (136) retracts into the tip (144) from the end of the retraction step, or where the welding wire does not extend beyond the tip at the end of the retraction step.
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    同族专利:
    公开号 | 公开日
    WO2012080796A1|2012-06-21|
    CA2824729A1|2012-06-21|
    JP2013545620A|2013-12-26|
    BR112013014893A2|2016-09-13|
    JP5632098B2|2014-11-26|
    US20170334015A1|2017-11-23|
    EP2651586A1|2013-10-23|
    CN103370161A|2013-10-23|
    EP2651586B1|2014-09-24|
    MX2013006767A|2014-01-23|
    CN103370161B|2016-03-30|
    US9821400B2|2017-11-21|
    US20120145689A1|2012-06-14|
    US11198191B2|2021-12-14|
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    法律状态:
    2018-12-18| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-07-30| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-09-01| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|
    2021-01-05| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-03-09| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 02/12/2011, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US12/967,667|2010-12-14|
    US12/967,667|US9821400B2|2010-12-14|2010-12-14|Manual welding apparatus having an automatic wire retract method|
    PCT/IB2011/002911|WO2012080796A1|2010-12-14|2011-12-02|Manual welding methods for providing to a manual welding apparatus an automatic wire retract method|
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