• 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:
    A form-fill-seal packaging method and apparatus in which a web of flexible packaging material is pulled from a supply and fed over a device for forming it into tubing, product to be packaged is provided in the tubing, and the tubing is sealed to form packages, and in which the web is pulled forward from the supply as one operation and the tubing is drawn forward and thereby taken up as an accompanying but separate operation with the take-up such that the web is pulled over the forming device under tension.
    公开号:SU1431669A3
    申请号:SU802969950
    申请日:1980-08-26
    公开日:1988-10-15
    发明作者:С.Джеймс Роберт
    申请人:Хейссен Мануфакчуринг Компани (Фирма)；
    IPC主号:
    专利说明:

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    Fig. /
    The invention yields to devices for forming and filling and sealing packages from a thermoplastic film and can be used in various industries.
    The purpose of the invention is improved packaging quality and productivity.
    Fig, 1 shows a perspective view of the device; in FIG. 2, the same, front view; in FIG. 3, the same, side view; FIG. 4 shows a section A-A in FIG. 2; figure 5 - section bb in fig 2; on figb section fig, 5; Fig. 7 is a block diagram of the control circuit for the machine; Fig. 8 shows a variant of the device front view; on fi.9 - the same, vsch :; at the side.
    The device contains a device for feeding a tape I of a thermoplastic film, B1: a switching roll holder 2, supporting members .3 and a guide roller 4, a device for forming a sleeve 5j including a sleeve forming agent & that rolls the tape of the thermoplastic film into the sleeve 5 with the overlapping of longitudinal edges 7 and 8 tapes J over each other (edge 7 inside, and crocca 8 outside) and directs sleeve 5 down around the vertical feed pipe 9. For longitudinal welding of sleeve 5 of the floor; kit fixture -10, the Product falls into the sleeve 5 in the usual way, through the supply pipe 9 and the sleeve 5 is sealed or sealed in the transverse direction with the formation of IJ packs with the aid of a dp sealing device. This device may, for example, consist of two brewing sealing rods J2 operating in a fixed horizontal plane below the lower end of the supply pipe 9 to form the upper seam of the bag 11 and the lower seam of the next bag 1, the sealing device may contain cutting means for separating the bag 1J from sleeve 5; Sleeve 5 is intermittently fed downward by an increment value equal to the length of one packet 11, and in this state, the brewing rods 12 are open. The shutter speed 5 between successive feed cycles is carried out, and the charging rods 12 are closed on the sleeve 5 to perform the cross-fusion operation during each soak. For information and breeding
    brewing rods 12 using known means.
    The tape J of the thermoplastic film from the roll holder 2 is pulled out intermittently, measured for each sealing operation and fed in the direction of the former 6 using a device for discrete drawing of the tape J with its tension located between the devices for feeding the tape and forming the sleeve 5, This device is triggered intermittently, applying a pulling force to the belt 1 in position between the roll holder 2 and the former 6 to feed the belt 1 to the length of the bag 1 at a predetermined interval. Thus, it performs the function of means for feeding and measuring tape 1. This fixture consists of lower J3 and upper 14 rollers and a mechanism for intermittent driving these rollers for an interval corresponding to the required length of packages J for feeding tape 1 by one increment. This mechanism consists of a continuous operating motor 15 - a reducer that drives the input element of the node J6, an electric clutch - horn with the help of gear J7, and the output element of the node J6 clutch - brake is connected to the lower roller 13 by the element J8. The rollers 13 and 14 are connected to each other by gears 19 The clutch of the node 16 is designed for intermittent coupling, and the brake of the node J6 is for disengagement, providing the drive of the rollers 13 and 14 and feeding the required length of tape 1 to the length of the package JJ in each feed cycle the software device 20, which is controlled by the setting device 21 (see FIG. 7), then the clutch is released, and the brake is engaged, ending the feeding cycle, and is in this state for the ribbon tape 1 and the sleeve 5, and then the clutch engages with brake distribution to perform the following blowing spray cycle.
    The belt 1 passes from the rollers under the guide roller 4, then goes upwards along the hose former 6. The tape increment segment fed by the rollers 13 and 14 is picked up and pulled along the hose former 6 by the tensioner 22.
    The fixture 22 provides for the application of a pulling force to the sleeve 5 separately from the application of the force to the pour 1 with the rollers 13 and 1A so that the belt 1 passes through the sleeve 6 with tension. The tool 22 tends to stretch the sleeve 5 on the supply pipe 9 a distance longer than the packing increment in the indicated range of operation of the rollers 13 and 14. The pulling force acting on the sleeve 5 is relatively small. Although tool 2.2 tends to stretch sleeve 5 a distance longer than the packing increment, sleeve 5 extends only over the distance corresponding to the pin of the packing increment (tension is not enough to stretch the material to any appreciable degree) the increments of the belt 1, measured and fed forward by the rollers J3 and 14, are picked and pulled over the sleeve 6 under tension, the tension being uniform
    Pulling device 22 - the tension hose consists of two endless vacuum strips 23 located on the opposite side of the feeding pipe 9 for vacuum gripping the sleeve 5 (with the pull down). Each belt 23 passes around the upper 24 and lower 25 pulleys and is positioned so that the inner branch goes down. 26 hooked up with sleeve 5; Pulleys for tapes 23 are mounted on block 27 having a vacuum channel 28 inside (see FIG. 5 and 6) in which a vacuum is created using a vacuum hose 29. Each tape has holes 30 , along its entire length .. The inner branch 26 of the tape 23 passes in hermetic adhesion with the surface 3J of the block 27 in the direction of the supply pipe 9, t, e, from the inside of the blocks 27, in combination with the end 32 of the vacuum channel 28, With the passage of the tape 23 past the end 32 of the channel 28 through those openings 30 in the belt 23 that communicate with the channel 28, a vacuum is created. This creates a vacuum gripping sleeve 5 on the supply pipe 9 by the inner branch 26 of the tape 23 and pulling it downwards.
    Vacuum tapes 23 operate intermittently to feed the sleeve 5 DOWN on the supply pipe 9 at the same time with each step of drawing the rollers 13 and 14 of the feed tape 1, the vacuum tapes 23 can start one
    temporarily with the start of the supply of flap1 J1 thermoplastic film with rollers 13 and 14 or a little earlier, work-i; - at a speed relative to the rollers 13 and 14, so that the feed rate of the sleeve 5 downwards is higher than the speed at which the tape 1 is fed by the rollers 13 and 14, and can be fixed simultaneously with the stop of the rollers 13 and 14 or somewhat earlier. The drive of the belts 23 is realized with the help of a gear drive 33 from the node 15 of the electric motor - reducer to the input element 5. Each of the two pneumatic slip couplings 34 with individual drives 35 with the output of the first slip couplings 34 to the upper ones, the slip couplings 34 controls The Q pneumatic valve 36 (Fig. 7), which, in turn, is controlled by the software device 20, The latter ensures the inclusion (clutch) of the slip sleeves 34 to start the drive 25 of the tapes 23 either simultaneously or slightly before the node 16 clutch - brake and holding slip clutches 34 in working condition before switching on node 16 electric 30 clutch - brake or a little longer, after which clutches 34 slip - turn off, stopping belts 23. Slip on clutch 34 allow slippage in node drives 15 to tape 23,
    When the device is in operation, the motor-reducer unit 15 functions continuously. The clutch-brake unit J6 operates (i.e., the clutch engages and the jg brake disengages) synchronously with the device, for example, during the filling operation, and the gauge 21 triggers a signal to the software device 20 to turn on. No ;;, the J 6 unit for launching the drive rollers 13 and 14 for winding the ribbon 1 from the roll holder 2 and feeding it to the right time (for example, when the balance is weighed out the amount of product intended for shipment, and the product is unloaded after feed pipe 9 into sleeve 5). Node 16 operates for the time necessary go to rotate the rollers 13 and 14 with the feeding of peg 1 over the length of the packing increment and then off. This time interval can be determined and controlled by the software device 20 or by using an optical system
    55
    who scanned by registration marks at intervals of package 11 on tape 1 in the case of using a tape 1 with a pre-printed pattern, or using means measuring the rotation of the rollers 13 and 14 in the case of a non-drawing band, I.PI any in another known way
    The software 20 provides the actuation of the valve 36 to activate the slip couplings 34, which start the drive 33 of the tapes 23 either at the same time or slightly before the start of the supply of the tape 1 with the rollers J3 and 14 in the direction of the mast 6 " and 14 provide the supply of the tape 1, the tapes 23 provide pulling down the sleeve 5 formed when the tape 1 passes through the former 6, the Drive 33 vacuum lunch; 23 is such that the belts 23 tend to allow the sleeve to pass at a speed greater than the speed at which rollers 13 and 14 feed the tape 1 forward. For example, mites 23 may tend to pull the sleeve at a speed 10% higher than the speed at which rollers 13 and 14 feeds the tape forward, and if they are completely free of any restrictive connections, they cover a distance of 10% longer than the length (supply) of the tape 1 of the thermoplastic film from the rollers 13 and 14, however. Sleeve 5 cannot advance more than with the speed at which rollers 3 and .14 serve the tape 1 is forward, in the absence of stretching (the tape 1 is clamped in the gap between the rollers 13 and 14, and the pull created by the vacuum tapes 23 on the sleeve 5 is relatively light and too weak to cause any .j ; extrusion extraction). Consequently, vacuum strips 23 generally pass at a faster speed than tape 1 of thermoplastic material and, as they move faster than tape 1, create downward pulling on sleeve 5 ,, ensuring its tension, thereby pulling material on the sleeve 6 in tension to maintain the NIN of the tape 1 in a tight state. The operation of the vacuum tapes 23 at a faster speed than the feed speed of the tape J 5 ensures: and is controlled by the slip in the couplings 34
    sliding, as well as some slippage of the vacuum strips 23 relative to the packaging material,
     At the beginning of the downward feeding of the sleeve 5, the sealing (brewing) rods 12 are opened and remain open; during the whole time of the feeding of the sleeve 5 from the lower end of the feed pipe 9 o 0 After the measuring and forward feed by the rollers 13 and 14 of one packaging length of the thermoplastic tape 1 by pulling with ribbons 23 control 5 down one packaging length
    5 the pipe 9 and the lowering of one packaging length of the sleeve 5 from the lower end of the supply pipe 9 occurs open. Clutch unit 16 clutch - brake with stopping rollers 13 and 14 and stopping the supply
    0 of the tape 1 for removing the tapes 1 and the sleeves 5 during the sealing operation. The slip coupling 34 is switched off either simultaneously with. stop rollers 13 and 14s or several
    5 later. After the clutch 34 is disengaged, the slips 34 can be fully disengaged to stop the actuators 35 or can remain engaged to create a weak actuator on the vacuum
    0 belts 23 s. So that the belts 23 provide a weak pulling force on the sleeve 5 to maintain tension in the pipe.
    When the sleeve 5 is stopped, the product is located in the sleeve 5 above the transverse seam at the lower end of the sleeve 5 (this seam is formed by working through one packaging length under the sealing rods 12 and represent
    Q the lower seam of the package that is assembled to finish), the sealing rods 12 are closed on the sleeve 5 to form the upper seam of the package 11 and the lower seam of the next formed package -gta P, the sealing rods 12 are opened, and the rollers 13 and 14, and also vacuum strips 23 start up. the next feed cycle,
    The apparatus in FIGS. 1-7, in which the tape 1 of the thermoplastic tape is intermittently measured in increments of the packaging length with the help of rollers 13 and 14, and the sleeve 5 is advanced with the help of vacuum tapes 23, xa.
    j- is characterized by a reduction in the effects of stretching and continuous stretching, in comparison with known devices
    On Fig and 9 presents the second variant of the device, in accordance with
    five
    By which the tape 1 of the thermoplastic film is continuously pulled from the roll holder 2 and continuously molded into the sleeve 5, the latter is transferred continuously and sealed to form packets JJ during its continuous passage. The second variant is similar to the first one, the difference is that the tape drive is not interrupted by the length of the package 11, but uninterrupted by the drive 37 to advance the tape by one packing length for each sealing operation. At the same time, the vacuum belts 23 are continuously supplied synchronously with the rollers 13 and 14 by means of an actuator 38, which provides the vacuum belts 23 with the desire to move the sleeve 5 at a slightly higher speed than the speed at which the rollers 13 and 14 feed the ribbon 1 of the thermoplastic film. The sealing rods 12 operate continuously in the usual manner (for example with rotation) to form transverse seams on the sleeve 5. In this embodiment of the device, the rollers 13 and 14 supply the packing length of the tape 1 for a predetermined time, and the vacuum tapes 23 tend to pull the sleeve 5 a distance greater than the packaging length increments over this time interval Drives 38 may include means
    A device for forming, filling, and sealing packages of a thermoplastic film, comprising a device for feeding a thermoplastic film len1b1, a device for forming a sleeve, a device for pulling the bottom with tension, having a drive, feeding pipe and a device for sealing the bag with the formation of bags, It is often provided that, in order to improve the quality of packaging and productivity, it is equipped with a device for discrete stretching of the molding with its tension, located between the devices for its supply and the formation of the sleeve and including a pair of parallel spaced and sliding to ensure operation. vacuum belts 23 with a feed rate of 35 gears of the belt 1 interconnected (which is determined by the speed of the rollers, one of which is through the rollers 13 and 14) by the coupling clutch g: can be connected with the filling of the bags 11 by means of devices for pulling the libra loosely or into the sleeves.
    in the case of a liquid product by maintaining the level of the liquid product in excess of the level at which the transverse seams are made.
    Such an envelope; 1; e of the device ensures the stretching of the tape of the thermoplastic material without its considerable stretching, which allows it to be taken out of tension, and to maintain the quality of the packaging material. In addition, the device can be operated at higher speeds, which increases productivity,
    权利要求:
    Claims (1)
    [1]
    Invention Formula
    A device for forming, filling, and sealing packages of a thermoplastic film, comprising a device for feeding a thermoplastic film len1b1, a device for forming a sleeve, a device for pulling the bottom with tension, having a drive, feeding pipe and a device for sealing the bag with the formation of bags, It is clear that, in order to improve the quality of packaging and productivity, it is equipped with a device for discrete pulling of the mite with its tension, located Between the devices for its supply and the formation of the sleeve and including a pair of rollers arranged in parallel and interconnected by a gear, one of which is connected with a clutch by means of a clutch g:
    33
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    30 23
    24
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    28 31 30 26
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US06069828|US4288965B1|1979-08-27|1979-08-27|
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