• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Pin Clamp The present invention relates to a pin clamp adapted to hold and transfer a target made of soft material. The pin type collet includes: a drum unit; a pair of sliding blocks that are obliquely disposed on the left and right sides of the end of a piston rod extend into a skirt shape; and connections that transmit piston movement to the sliding blocks. A pin securing a target is installed at one end of each slide block. According to the present invention, a drum unit controls two sliding members at the same time. thus, the pin-type collet is superior in structure, control and economical performance to a typical two-cylinder collet and complicated design.
    公开号:BR112013005411B1
    申请号:R112013005411
    申请日:2011-08-09
    公开日:2019-12-10
    发明作者:Cho Ho-Young
    申请人:Korea Pneumatic Sys Co Ltd；
    IPC主号:
    专利说明:

    PIN TYPE CLAMP
    TECHNICAL FIELD The present invention relates, in general, to pin type clamps and, more particularly, to a pin type clamp that uses pins to hold a target.
    TECHNICAL HISTORY
    In general, tweezers refer to devices that apply physical force or pressure to a target .. to hold it .. Tweezers are typically used in transfer systems.
    In particular, pin type tweezers are mainly used to transfer targets made of soft material, such as fabric, porous material, rubber etc.
    Referring to Figure 1, a conventional pin-type clamp 1 includes two cylinders 3a and 3b that are installed in a housing 2 and are oriented to be tilted upwards in intersecting directions. A plurality of pins 6a and 6b are provided at the ends of piston rods 4a and 4b of cylinders 3a and 3b respectively when assembling blocks 5a and 5b. Pins 6a and 6b are oriented, at predetermined inclination angles Θ, so that they intersect.
    In this conventional construction, when the rods 4a and 4b are extracted by operating the cylinders 3a and 3b, the pins 6a and 6b protrude below the bottom of the housing 2 and extend left and right. In this way, pins 6a and 6b are obliquely fixed to the surface of a target P, thus making it possible to hold target P and transfer it using pin type 1 clamp. The pin type clamp can be used efficiently to transfer a target made of soft material. However, due to the conventional pin type clamp using two cylinders, the following problems arise.
    First, the clamp structure is complex and the size of the clamp, including the casing, is excessively large.
    Second, a special and detailed design to control both cylinders at the same time is necessary, resulting in one. high possibility of malfunction or error.
    Third, therefore, a lot of time and effort is required to manufacture and operate the clamp.
    REVELATION
    TECHNICAL PROBLEM
    Likewise, the present invention was made keeping in mind the above problems that occur in the prior art, and an objective of the present invention is to provide a pin type clamp that has a simple structure, is easily controlled compared to the conventional technique and reduces the production cost and operation cost. The inventor of the present invention recognized that the above objective can be accomplished, so that a single cylinder unit controls two sliding members at the same time, and designed the present invention to achieve the above objective.
    TECHNICAL SOLUTION In order to achieve the above objective, the present invention provides a pin type clamp, including: a housing in which a cylinder unit and an actuation part are organically arranged, with pin holes formed in a lower part of the housing , so that the pins of the side blocks are extracted or retracted in the housing through the pin holes; the single cylinder unit comprising: a cylinder provided at an upper end of a median portion of the housing; a piston that reciprocates up and down in the cylinder; and a rod extending from the piston to a predetermined position below the cylinder; and the actuation part comprising: a pair of sliding blocks arranged obliquely on the left and right sides of one end of the stem, the sliding blocks extend in the form of a skirt, with one or more pins provided at one end of each of the pair of sliding blocks; and connections connected at their first ends to the rod and connected from their second ends to the respective sliding blocks, so that the movement of the rod generated by the cylinder is transmitted to the sliding blocks by the connections.
    Preferably, the piston can reciprocate by means of the pressure of the compression air that is supplied in the cylinder. For this purpose, the casing may have two air supply holes that extend from a side surface of the casing on the cylinder.
    In addition, each of the connections may include a 'ν' member having a vertex as an axis of rotation, wherein the first end and the second end of the connection can respectively form opposite ends of the V-shaped member different from the vertex.
    In addition, the pin clamp may also include a lock provided at the bottom of the housing, so that it is adjustable in height, the lock extending to a predetermined position adjacent to the end of the stem, so that when the stem is move to the predetermined position, the lock is placed in contact with the end of the stem, with this, a lower limit of a variation of movement of the stem is defined.
    ADVANTAGE EFFECTS
    A pin type clamp according to the present invention is configured so that a single cylinder unit simultaneously controls two sliding members provided with pins. Therefore, the present invention is superior in structure, control and economic performance to the conventional clamp, which needs two cylinders and a complicated design. Furthermore, the present invention is advantageous in terms of operation of the clamp, in which there is little possibility of malfunction or error.
    In a preferred embodiment of the present invention, the pin clamp can be configured so that an extension by which a sliding block and the pins are extracted can be adjusted, in order to change a variation within which a rod can move. Therefore, in a transfer system, the pin clamp of the present invention can properly handle a target, regardless of material, size, weight, etc. of the target.
    DESCRIPTION OF THE DRAWINGS Figure 1 is a sectional view showing the construction of a conventional pin type clamp. Figure 2 is a view showing an external shape of a pin type clamp, according to the present invention. Figure 3 is a perspective view explored from Figure 2. Figure 4 is a sectional view of the clamp of Figure 2. Figure 5 is a view that illustrates the operation of the pin type clamp according to the present invention. DESCRIPTION OF THE REFERENCE NUMBERS IN THE DRAWINGS 100. pin type clamp 10. housing 13. bottom plate 14. pin hole 17. guide 20. cylinder unit 21. cylinder 22. piston 23. stem 30. actuation part 31a, 31b . slide block 32. pin 33. connection 40. lock BEST MODE
    The above and other objectives, aspects and advantages of the present invention will be more clearly understood from the following detailed description considered with the accompanying drawings. In Figure 2 and in the drawings below, a pin type clamp, according to the present invention, is designated by reference number 100.
    With reference to Figures 2 to 4, the pin type clamp 100, according to the present invention, includes a housing 10 and a cylinder unit 20 and an actuation part 30 which are organically installed in housing 10. The clamp 100 of the the present invention is provided with only one cylinder unit 20.
    A body 11 of housing 10 has an internal space that is ideally designed to allow the cylinder unit 20 and actuation part 30 to be installed and operated on body 11. Body 11 is closed by a side cover 12 and a bottom plate 13. The bottom plate 13 is at the bottom of the housing 10. A plurality of pin holes 14 are formed at the bottom 13 of the housing 10. The pins 32 of slide blocks 31a and 31b are retracted or extracted from the housing 10 through the holes corresponding pin numbers 14.
    Pin holes 14 and pins 32 can be designed by a method selected from a variety of methods in consideration of one to one or several to one correspondence, without being limited to the realization shown in the drawings. The cylinder unit 20 includes a cylinder 21 that is arranged at an upper end of a median portion of the housing 10, a piston 22 that reciprocates up and down on the cylinder 21 and a rod 23 that is fixed to the piston 22 and extends down from cylinder 21. Ά rod 23 can be integrated with piston 22. Reference number 24 denotes a ring that is fitted over a circumferential outer surface of piston 22 to prevent the space above piston 22 in cylinder 21 and the space below it communicate with each other.
    As shown in the drawings, the cylinder 21 of this embodiment is provided by forming the upper end of the housing 10 in a cylindrical shape. In another embodiment, a cylinder can be installed in housing 10 after being manufactured separately.
    A movable block 25 is coupled to one end of piston rod 23. The movable block 25 is merely provided for the convenient connection of connections „33 to piston rod 23. However, rod 23 and movable block 25 can be integrated each other. Furthermore, the present invention is not limited to the fact that the movable block 25 must be present. Therefore, in the present invention, the movable block 25 is not treated as a separate construction that is independent of the rod 23. The actuation part 30 includes the two inclined sliding blocks 31a and 31b which are symmetrically arranged on the opposite sides of a central axis XX of the piston rod 23 with the same angle of inclination Θ, and the connections 33 that transmit the movement of the piston 22 to the sliding blocks 31a and 31b. The fixing pins 32 are provided at one end of each sliding block 31a, 31b.
    In detail, the two inclined sliding blocks 31a and 31b are provided adjacent the end of the piston rod 23, are symmetrically arranged on the left and right sides, and are oriented to be inclined at the same angle Θ. The two inclined sliding blocks 31a and 31b slide due to the movement of the piston 22 to expand into a skirt shape. In order to make the sliding movement of the inclined slide blocks 31a and 31b smooth, it is preferable that guides 17 that previously adjust the locations and inclination angles Θ of blocks 31a and 31b are formed in the body 11 of the housing 10.
    The fixing pins 32 are provided longitudinally at the end of each sliding block 31a, 31b, so that when the blocks 31a and 31b expand, the fixing pins 32 can be fixed to a surface of a target at predetermined angles.
    However, a first end 35 of each connection 33 is connected to the rod 23 and a second end 36 thereof is connected to the corresponding block 31a, 31b. Thus, the movement of piston 22 is transmitted to blocks 31a and 31b by connections 33. In detail, each connection 33 is a 'ν' member having a vertex 34 as a axis of rotation. The first end 35 and the second end 36 respectively form opposite ends of the V-shaped member other than the apex 34.
    Preferably, the connection between the first end 35 of the connection 33 and the rod 23 and the connection between the second end 36 and the corresponding block 31a, 31b are carried out by a ball joint connection method. The pin clamp 100, according to the present invention, also includes a lock 40 that adjusts the length by which the pins 32 are extracted from the housing 10. The lock 40 is mounted in a central portion of the bottom of the housing 10 so that it is adjustable in height. The lock 40 extends adjacent the end of the rod 23 along the central axis X-X. When the piston rod 23 is removed, the lock 40 is brought into contact with the end of the piston rod 23 which is moving. As such, the lock 40 works to limit a variation of movement of the rod 23. More specifically, it defines a lower limit of the variation of movement. The extent to which the fixing pins 32 are extracted from the housing 10 can be controlled by adjusting the height of the lock 40.
    Although the lock 40 is illustrated as using a screw coupling method ■ in consideration of convenient installation and height adjustment, the present invention is not limited to that method. The actuation part 30 is operated depending on the movement of the piston 22 of the cylinder unit 20. In this embodiment, the piston 22 reciprocates by means of the pressure of the compressed air that is supplied in the cylinder 21. Therefore, the housing 10 includes two orifices of compressed air supply 15 and 16 extending from the side surface of the body 11 in the cylinder 21 and communicating respectively with the upper space above the piston 22 in the cylinder 21 and the lower space below the piston 22 in that place.
    With reference to Figure 3, each pin 32 is fixed to the corresponding slide block 31a, 31b by a screw 38 tightened in a corresponding one among the side screw holes 37 that are formed on the lateral surface of the slide block 31a, 31b. Contrary to this, pin 32 can be released by loosening screw 38 to allow pin 32 to be removed from slide block 31a, 31b or replaced with another. Operating holes 19 are formed in the side cover 12 of the housing 10 in positions corresponding to the screws 38 to allow the user to manipulate the screws 38. Work using a tool (for example, a wrench) to tighten / loosen the screws 38 can be facilitated through operating holes 19.
    Referring to Figure 5, a connector 18 is mounted in each supply port 15, 16 to connect a compressed air supply line to it and to gently supply compressed air to the cylinder 10. The supply of compressed air is controlled by a separate air supply system, so that the compressed air is alternately supplied to the first supply port 15 and the second supply port 16. However, to transfer target P, the pin clamp 100 of the present invention is first arranged so that the lower part 13 contacts the target surface P.
    In this state, the compressed air is first supplied to cylinder 21 through the first supply port 15. The compressed air that was supplied to cylinder 21 compresses an upper surface of piston 22. Then, piston 22 and rod 23 they move downwards (in the direction of the arrow Φ) until the end of the stem 23 contacts the lock 40 which is disposed below the stem 23.
    As a result, the 'V' shaped connections 33, whose first ends 35 are connected to the piston rod 23, are rotated over the vertices 34. Here, each connection 33 is rotated downwards (in the direction of the arrow ®) corresponding to the direction of movement of the piston rod 23. When connections 33 turn downward, the sliding blocks 31a and 31b which are connected to the second ends 36 of connections 33 move obliquely downwardly along the guides 17 and extend in a exit (in the directions of the ® arrow).
    When the slide blocks 31a and 31b extend, the fixing pins 32 provided at the ends of the blocks 31a and 31b protrude out of the bottom 13 of the housing 10 through the pin holes 14 and attach to the surface of the target P. shown in the drawings, the pins 32 of the two blocks 31a and 31b attach to the target P in opposite directions, therefore, making it possible to hold, lift and transfer the target P using the pin type clamp 100 of the present invention.
    Depending on the type, material, size etc. of target P, it is necessary to control the extent by which the fixing pins 32 are extracted from the housing 10. In this embodiment, the extent by which the fixing pins 32 are extracted can be adjusted by turning the lock 40 to the left or right and when adjusting the height of the lock 40. That is, if the height of the lock 40 is adjusted, the lower limit of the movement variation of the rod 23 thus changes the distance at which the blocks 31a and 31b connected to the rod 23 by the connections 33 can move also changes, thus adjusting the extent by which the fixing pins 32 are extracted.
    After the transfer of target P is completed, the compressed air is supplied to the cylinder 21 through the second supply port 16. The compressed air which was supplied to the cylinder 21 via the second supply port 16 compresses a lower surface of the piston 22 Then, piston 22 and rod 23 move upwards (in a direction opposite to the direction of arrow Φ). The 'V' shaped connections 33, whose first ends 35 are connected to the stem 23, are rotated on the vertices 34 by the movement of the stem 23.
    In fact, each connection 33 rotates upwards (in a direction opposite to the direction of the arrow ®) corresponding to the direction of movement of the piston rod 23. When the connections 33 rotate upwards, the sliding blocks 31a and 31b that are connected to the respective second ends 36 of the connections 33 move upwards along the guides 17 (in a direction opposite to the direction of the arrow @), thus reducing the variation in length.
    When the sliding blocks 31a and 31b contract, the pins 32 that have been pulled out are retracted in the housing 10. At that time, because the target P is brought into contact with the bottom 13 of the housing 10, the target P is separated from the pins 32 without being moved from the transferred location. Subsequently, the pin type clamp 100 of the present invention is prepared for subsequent transfer.
    权利要求:
    Claims (6)
    [1]
    1. PIN TYPE CLAMP, characterized by comprising: a housing (10) in which a cylinder unit (20) and an actuation part are organically arranged, with pin holes (14) formed in a lower part (13) of the housing (10), so that the pins (32) of the side blocks (31a, 31b) are extracted from or retracted in the housing (10) through the pin holes (14); the single cylinder unit (20) comprising: a cylinder (21) provided at an upper end of a median portion of the housing (10); a piston (22) that reciprocates up and down in the cylinder (21); and a rod (23) extending from the piston (22) to a predetermined position below the cylinder (21); and the actuation part (30) comprising: a pair of sliding blocks (31a, 31b) disposed obliquely on the left and right sides of one end of the rod (23), the sliding blocks (31a, 31b) extending in a shape of exit, with one or more pins (32) provided at one end of each of the pair of sliding blocks (31a, 31b); and connections (33) connected at their first ends (35) to the rod and connected at their second ends to the respective sliding blocks (31a, 31b), so that the movement of the rod (23) generated by the cylinder (21) is transmitted to the sliding blocks (31a, 31b) by the connections (33).
    [2]
    PIN TYPE CLAMP according to claim 1, characterized in that the housing (10) has two compression air supply holes (15, 16) that extend from a lateral surface of the housing (10) in the cylinder ( 21), the two compression air supply holes (15, 16) communicating respectively to an upper space above the piston (22) and a lower space below the piston (22), where the piston (22) moves up and down by the pressure of the compressed air supplied to the cylinder (21) through both the compressed air supply ports (15, 16).
    [3]
    PIN CLAMP, according to claim 1, wherein each of the connections (33) is characterized by comprising a 'v' shaped member having a vertex as an axis of rotation, wherein the first end ( 35) and the second end (36) of the connection (33) respectively form opposite ends of the V-shaped member other than the apex.
    [4]
    PIN CLAMP, according to claim 1, wherein the housing (10) is characterized by comprising a guide (17) formed to adjust locations of the sliding blocks (31a, 31b) and angles at which the sliding blocks slide (31a, 31b).
    [5]
    5. PIN TYPE CLAMP, according to claim 1, characterized in that it also comprises: a lock (40) provided at the bottom (13) of the housing (10), so that the lock (40) is adjustable in height extending to a predetermined position adjacent to the rod end (23), so that when the rod (23) moves to the predetermined position, the lock (40) is brought into contact with the rod end (23), with this, a lower limit of a variation of movement of the rod (23) is defined.
    [6]
    6. PIN TYPE CLAMP, according to claim 1, characterized in that each of the pins (32) is fixed to the corresponding sliding block (31a, 31b) by a screw (38) tightened in a screw hole (37) formed on a side surface of the slide block (31a, 31b) and is released by loosening the screw to allow the pin (32) to be removed from the slide block (31a, 31b) or replaced with another, and the housing (10) has a operating orifice (19) formed in a position corresponding to the screw (38) in a way that allows to manipulate the screw (38).
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    同族专利:
    公开号 | 公开日
    US8714608B2|2014-05-06|
    DE112011103023T5|2013-07-04|
    US20130187398A1|2013-07-25|
    CN103108818B|2014-11-05|
    WO2012033285A3|2012-05-03|
    BR112013005411A2|2016-06-07|
    KR100996440B1|2010-11-24|
    CN103108818A|2013-05-15|
    WO2012033285A2|2012-03-15|
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    法律状态:
    2018-12-26| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-05-28| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|
    2019-10-08| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
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    优先权:
    申请号 | 申请日 | 专利标题
    KR1020100088175A|KR100996440B1|2010-09-09|2010-09-09|Pin-type of gripper device|
    PCT/KR2011/005786|WO2012033285A2|2010-09-09|2011-08-09|Pin-type gripper|
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