JP2007111861A - Feed device of zipper piece - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To increase a packaging speed by separating a cutting and delivery position of a zipper piece from a continuous zipper and a bonding work position of the zipper piece present at a predetermined position on a web-like packaging material to perform the cutting and delivery process of the zipper piece and the bonding process of the zipper piece at separate positions without causing interference in both processes. <P>SOLUTION: A zipper piece cutting and delivery mechanism 2 is constituted so that the zipper piece J cut from the continuous zipper at the cutting and delivery position P1 is held to the holding part 10 provided to the peripheral surface of a tarret 3 temporarily stopped during its intermittent rotation. The zipper piece J is fed in a lateral direction accompanied by the intermittent rotation of the tarret 3 and bonded to the web-like packaging material Fw at the bonding work position P2 separated from the cutting and delivery position P1 to be arranged at a different position by a zipper piece bonding mechanism 4. The action of the zipper piece J and the bonding work of the zipper piece J to the web-like packaging material Fw can be performed in a temporally overlapped state to shorten the feed cycle time of the zipper piece J. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a zipper piece supply device for supplying and attaching a zipper to a packaging material such as a web-like packaging material in order to produce a bag with a zipper in a bag making filling packaging machine or a bag making machine.

2. Description of the Related Art Conventionally, a bag making and filling packaging machine that fills and seals a package while producing a packaging bag with a zipper as a re-openable packaging bag, and a zipper strip including a male member and a female member as a web-like packaging material Has been proposed (Patent Document 1). In the zipper strip, the male member includes a male engagement portion and a male web integrally formed therewith, and the female member includes a female engagement portion and a female web. The male engagement portion snaps into the female engagement portion to provide these interconnected zipper strips. One of the male and female webs is wider in at least one of the two directions from the male and female meshing portions than the other, and this wide width causes the other web to extend in the width direction. There is at least one flange extending beyond. A continuous zipper strip fed in a direction crossing the web-shaped packaging material onto the web-shaped packaging material by a shuttle reciprocating from a supply source such as a roll is cut into a predetermined length by a cutter, and intermittently Each time it stops momentarily for feeding, it is sealed and attached to the web-like packaging material.
Japanese Patent Laid-Open No. 10-296884 (paragraph [0021], FIGS. 1 to 3)

An example of a method and apparatus for attaching a zipper to a film that can be used with any type of zipper locking member has been proposed (Patent Document 2). According to this method and apparatus, when the bag forming web is temporarily stopped, the zipper pieces cut from the zipper supply section are moved between the endless belt and the top surface of the web by the endless belt supported between the pair of pulleys. And is moved to a predetermined position on the web. The zipper is bonded to the web by raising the adhesive bar, which is movable in the vertical direction below the web, and heating the web. The bond bar is then lowered and the web is advanced in the feed direction. By repeating this process, the individual zipper is attached in a direction crossing the web at a position spaced apart from the bag forming film by a predetermined distance in the feeding direction.
JP 2003-25468 A (paragraph [0007], FIGS. 2-3)

Furthermore, an example of a method and apparatus for applying a fastener to a running web and a sealing apparatus has been proposed (see Patent Document 3). A fastener including a continuous fastener portion is positioned on a bag forming web by an applying device using a grooved roller and a grooved guide plate. When the fastener portion occupies the correct position for application, the web stops momentarily and the seal bar rises to seal the fastener portion to the web.
JP 2003-175556 A (paragraphs [0007] to [0010], FIG. 1)

  However, in the supply of the above zipper (fastener), the zipper web is fed out in the longitudinal direction and fed in the transverse direction with respect to the web-shaped packaging material for bag formation, and at a predetermined adhesion work position on the web-shaped packaging material. The zipper pieces of a predetermined length are cut out and attached to the web-shaped packaging material with a seal. After that, the zipper piece already adhered on the web-like packaging material is moved away, and the next zipper piece on the web-like packaging material is moved from the continuous zipper until the next zipper piece reaches the position where the zipper piece is attached. The zipper piece is not cut out. Since continuous zipper feeding is fed out in the longitudinal direction, the zipper is easily bent, and there is a limit to speeding up. Further, since the zipper is fed in the transverse direction with respect to the web-shaped packaging material, there is a limit to the intermittent feeding speed at which feeding and stopping are repeated. Furthermore, since the cutting position of the zipper piece and the attachment work position of the zipper piece on the web-shaped packaging material occupy the same position, the supply of the zipper piece is sent to a predetermined position on the web-shaped packaging material. The cycle is such that the cutting and the attaching operation of the zipper pieces are performed separately in time, and there is a problem that there is a limit in improving the supply speed of the zipper pieces.

  Therefore, the cutting position of the zipper pieces from the continuous zipper is separated from the attaching work position of the zipper pieces, which is a predetermined position on the web-shaped packaging material, so that the zipper piece cutting process and the zipper piece attaching process are separated. There is a problem to be solved in that it can be executed without interference at the position.

  The object of the present invention is to separate the cutting position where the continuous zipper is fed and the zipper pieces are cut out from the zipper and the attachment work position of the zipper pieces, which is a predetermined position on the web-like packaging material, so as to feed the zipper The next zipper piece can be cut out without interfering with the zipper piece attachment work, and the supply of the zipper piece to the web-like packaging material contributes to the improvement of the packaging capacity by speeding up the supply of the zipper piece. Is to provide a device.

  In order to solve the above-described problems, a zipper piece supply device according to the present invention includes a zipper piece cutting mechanism for cutting a zipper piece of a predetermined length from a continuous zipper at a cutting position, and a holding portion for holding the zipper piece is a cylindrical circumferential surface. A turret which is provided along the generatrix direction and temporarily stops corresponding to the cutting position of the zipper piece cutting mechanism during intermittent rotation, and the turret intermittently receives the zipper piece. A zipper piece adhering mechanism which is arranged corresponding to the adhering work position where the holding part temporarily stops on the downstream side of the cutout position with rotation, and adheres the zipper piece to the web-like packaging material; It consists of preparing.

  According to this zipper supply device, the zipper piece cutting mechanism cuts out a zipper piece of a predetermined length from the continuous zipper at the cutting position. The zipper piece that is cut out is received by a turret that temporarily stops during intermittent rotation corresponding to the cutting position of the zipper piece cutting mechanism, and is a holding part that is provided along the generatrix direction on the cylindrical peripheral surface of the turret. Retained. The zipper pieces cut out and received by the turret are conveyed to the downstream side of the rotation at the cut-out position with the intermittent rotation of the turret. The zipper pieces are attached to the web-shaped packaging material by a zipper piece attaching mechanism arranged correspondingly at the attaching work position where the holding portion temporarily stops. That is, the zipper piece cutting position and the attaching work position are separated from each other in the circumferential direction of the turret, so that the zipper piece cutting action by the zipper piece cutting mechanism and the zipper piece by the zipper piece attaching mechanism are arranged. The operation of adhering to the web-shaped packaging material can be performed in a time-overlapping manner, and the supply cycle time of the zipper pieces can be shortened. Further, since the zipper pieces are not conveyed gradually in the longitudinal direction, but are conveyed to the adhesion work position at a stretch in the lateral direction by rotation of the turret, the conveyance by the turret can be further speeded up.

  In this zipper supply device, the zipper piece cutting mechanism is a detecting means for detecting that the continuous zipper is sent to a predetermined position of the holding portion in the longitudinal direction and along the generatrix direction of the turret by the feeding mechanism; And a cutter for cutting out the zipper piece in response to detection by the detection means. When the continuous zipper is sent in the longitudinal direction by the feed mechanism and fed along the turret bus line direction, and the detection means detects that the holding unit has reached a predetermined position, the continuous zipper is responded to the detection. Cut out the zipper piece with a cutter.

  In this zipper supply device, the zipper piece includes a zipper bone portion made up of male and female meshing portions meshed with each other, and a flap portion formed integrally with the meshing portion and extending to the side of the zipper bone portion. The holding portion of the turret has a guide groove for guiding the zipper bone portion, and a flat support shelf that is formed on both sides of the guide groove and supports the flap portion. The suction shelf for adsorbing the flap portion to the support shelf is open. The zipper bone part of the zipper piece consists of male and female meshing parts that mesh with each other, so it has higher rigidity than the flap part, and this zipper bone part is used for guiding the entire zipper piece can do. In other words, when sending a continuous zipper in its longitudinal direction, the longer the length, the easier it will bend, but by sending the zipper bone along the guide groove formed in the holding part, the zipper will not bend. Guided to the holding part. The flap part of the zipper piece is a film-like part that is more flexible than the zipper bone part, and is attached to the web-like packaging material by temporary fixing or main seal, and the zipper bone part is guided to the guide groove When it is done, it is guided and supported by flat support shelves formed on both sides of the guide groove. Further, when the holding unit receives the zipper piece, the zipper piece is sucked and held by the holding unit by sucking the flap portion by the suction hole formed in the support shelf.

  In this zipper supply device, it is preferable that the holding portions of the turret are provided at a plurality of locations spaced at equal intervals on the cylindrical peripheral surface of the turret. By driving the turret with intermittent rotation at regular intervals, it continues to rotate intermittently at equal cycles, thereby continuously receiving high-speed zipper pieces from the zipper piece cutting mechanism and attaching zipper pieces by the zipper piece attachment mechanism. can do. In this case, the turret is preferably driven to rotate by a servo motor. When driving with intermittent rotation, the stop position can be accurately controlled and driven at high speed.

  In this zipper supply device, the zipper piece attachment mechanism pushes the flap part of the zipper piece held by the holding part via the web-shaped packaging material, and the flap part between the support shelf And the web-shaped packaging material. When running the web-shaped packaging material in a mode along the web-shaped packaging material with respect to the turret holding the zipper piece in the holding portion, the flap portion is pushed through the web-shaped packaging material from the outside of the web-shaped packaging material by the heat sealer. The zipper pieces are attached to the web-shaped packaging material by pressing the packaging material and the flap portion on the support shelf in this order. The support shelf can function as a heat seal anvil, for example, by forming it with a heat-treated surface-treated member. As the web-like packaging leaves the turret, the attached zipper pieces are carried away from the turret.

  Since the zipper piece feeding device according to the present invention is configured as described above, the zipper pieces cut out to a predetermined length from the continuous zipper at the cutting position by the zipper piece cutting mechanism correspond to the cutting position. It is received by a turret that temporarily stops during intermittent rotation, and is held by a holding portion provided on the cylindrical peripheral surface of the turret along the generatrix direction. The zipper piece received by the turret is conveyed with the intermittent rotation of the turret, and while it is temporarily stopped at the attachment work position placed on the flow side after the rotation of the cutting position, it is wrapped in a web form by the zipper piece attachment mechanism. Adhere to the material. That is, since the zipper piece cutting position and the attaching work position are separated from each other in the circumferential direction of the turret, the zipper piece cutting action by the zipper piece cutting mechanism is the same as the zipper piece cutting mechanism. During the operation of adhering to the web-shaped packaging material, it can be carried out in a time-overlapping manner, and the supply cycle time of the zipper pieces can be shortened by at least the overlap time. Moreover, since the conveyance of the zipper piece by the turret is carried to the delivery position at a stretch in the circumferential direction, that is, the zipper piece in the horizontal direction by rotation of the turret, the conveyance of the zipper piece by the turret can be further speeded up. In this way, by separating the cutting position for cutting out the zipper piece and the attaching work position of the zipper piece, the cutting work of the zipper piece can be performed without interference with the attaching work of the zipper piece, and the supply of the zipper piece can be speeded up. Thus, it is possible to provide an apparatus for supplying a zipper piece to a web-shaped packaging material that contributes to an improvement in packaging capacity.

  Hereinafter, embodiments of a zipper piece feeding device according to the present invention will be described with reference to the accompanying drawings. 1 is an overall schematic view of a packaging machine to which a zipper piece supply device according to the present invention is applied, FIG. 2 is a front view of the main part of the zipper piece supply device shown in FIG. 1, and FIG. 3 is a zipper piece supply device shown in FIG. FIG. 4 is a sectional view showing an example of a zipper piece.

  The zipper piece supply device 1 shown in FIG. 1 is applied to a web-shaped packaging material supply device in a vertical bag making filling and packaging machine 30. As shown in FIG. 1A, the vertical bag making filling and packaging machine 30 is bent in a curved state and a former 31 that bends the packaging material to a curved state in which the web-shaped packaging material Fw is substantially closed. A center sealer 32 that heat seals opposite side edges of the packaging material to form a cylindrical packaging material Ft, a filling cylinder 33 that is inserted through the former 31 and into which the product A to be packaged is inserted, and filling The bottom portion Pe of the bag formed after sealing the top portion Pt of the bag which is arranged below the tube 33 and operates in a manner that sandwiches the tubular packaging material Ft in the transverse direction and is formed in advance. And an end sealer 34 for sealing. The end sealer 34 can be provided with a cutter 36 for separating the bag package P from the cylindrical packaging material Ft. A paper feed mechanism 35 that travels with the cylindrical packaging material Ft sandwiched between it and the filling cylinder 33 can be provided. The paper feeding mechanism 35 can feed the packaging material by the frictional force of a belt driven by, for example, a servomotor. Vertical type bag making and filling machines having these structures are conventionally known.

  Further, the web-shaped packaging material Fw supply device is a device that feeds the web-shaped packaging material Fw wound around the roll R in the direction D1 and supplies the web-shaped packaging material Fw to the vertical bag making filling packaging machine 30. Are provided with a driving roller 37 for interposing the web-shaped packaging material and feeding the paper, and a guide roller 39 disposed at an appropriate position. In addition, the registration mark formed on the web-shaped packaging material Fw is detected, a detection signal is transmitted to a controller (not shown), and a mark sensor 40 is provided for providing information for determining a position for each bag of the packaging material. be able to.

  The zipper piece supply device 1 shown in FIG. 1 has a zipper piece J in a lateral direction at a predetermined position near the inside of the top of a bag P formed by the vertical bag making filling and packaging machine 30 with respect to the web-shaped packaging material Fw. It is a device to supply. The zipper piece J has a length substantially equal to the width W of the bag P (bag packaging body) to be manufactured, as shown in FIG. The position on the web-shaped packaging material Fw on which the zipper pieces J are placed is set for each length L (pitch) of the bag in the longitudinal direction (running direction of the web-shaped packaging material Fw), and the position in the width direction is the bag. It is set at the center position around the center line C-C of the web-like packaging material Fw that becomes the inside of the bag when molded into P.

  As shown in FIG. 1, the zipper piece supply device 1 includes a zipper piece cutting mechanism 2 and a zipper piece J for cutting out a zipper piece J having a predetermined length from a continuous zipper (hereinafter referred to as a zipper web Jw) at a cutting position P1. The holding part to hold is arranged corresponding to the turret 3 provided on the cylindrical peripheral surface along the generatrix direction, and the attachment work position P2 located on the downstream side of the rotation of the cutting position P1 with the intermittent rotation of the turret 3 The zipper piece attaching mechanism 4 is provided. The web-shaped packaging material Fw fed out from the roll R passes through the side with the surface which becomes the bag inner side of the packaging material facing the circumferential surface of the turret 3 which holds the zipper piece J by suction, and the vertical bag-making Head to the filling and packaging machine 30. The zipper piece adhering mechanism 4 is arranged in a state where the web-shaped packaging material Fw is sandwiched between the web-shaped packaging material Fw and the turret 3 at the position closest to the turret 3.

  As shown in FIG. 4, the zipper piece J is formed integrally with the zipper bone portion 43 composed of male and female meshing portions 41 and 42 meshed with each other, and the zipper bone portion 43. Flap portions 44, 45, 46 extending to the side of the. The zipper web Jw is supplied with the meshing portions 41 and 42 meshing with each other. The flap portions 44 and 45 extending from the zipper bone portion to one side extend from the male and female engagement portions 41 and 42 with the same width, and are the sides that become bag openings when attached to the web-like packaging material Fw. And each is firmly heat-sealed on the front and back sides of the bag. The flap portion 46 extending from the zipper bone portion 43 to the other side extends only from the female engagement portion 41 and is located on the side opposite to the bag opening (inside the bag) when attached to the web-like packaging material Fw. Heat sealed to the front side of the bag. When attached to the web-shaped packaging material Fw by the zipper piece supply device 1, only the flap portion 46 extending from the female engagement portion 41 is attached to the web-shaped packaging material. The strength of the adhesion is not limited so much as the flap portions 44 and 45 to be sealed as long as it can pass through the vertical bag making and packaging machine 30 safely for forming the bag.

  As shown in FIG. 2, the zipper piece cutting mechanism 4 is provided in association with the zipper feeding mechanism 5 that feeds the zipper web Jw to a predetermined position of the holding portion 10 along the longitudinal direction and the generatrix direction of the turret 3. ing. The zipper feeding mechanism 5 for feeding the zipper web Jw is pressed against and engaged with a zipper web Jw fed out from a wound zipper roll (not shown) over a predetermined length range, for example. It can be set as the belt feeding mechanism 6 sent out by force. Further, the zipper web Jw fed by the belt feeding mechanism 6 is sandwiched between the rollers 8 and 8 by the zipper feed portion 7 including the two rollers 8 and 8 disposed immediately before the turret 3. Sent out.

  The turret 3 has a cylindrical structure that can be freely rotated by bearings 12 and 12 around a fixed central shaft 11, and is arranged in such a manner that the direction of the bus bar on the peripheral surface coincides with the feeding direction (D3) of the zipper web Jw. ing. Corresponding to the edge of the turret 3 on the side of the zipper feed portion 7, the apparatus frame 9 is provided with a cutter 13 for cutting the fed zipper web Jw into zipper pieces J. In order to hold the zipper pieces J cut by the cutter 13, holding parts 10 are provided on the peripheral surface of the turret 3, for example, at each position divided into four equal parts every 90 degrees. A drive motor 14 is attached to the apparatus frame 9, and a gear 16 attached to the output rotation shaft 15 meshes with a gear 17 attached to the turret 3. The intermittent rotation of the drive motor 14 is transmitted to the turret 3 through the meshing of the gears 16 and 17, whereby the turret 3 is intermittently driven around the central shaft 11 every four equal parts. The drive motor 14 can be a motor with a built-in encoder of a rotation angle such as a servo motor or a pulse motor, and can accurately determine the positioning (rotation angle position) by accurately calculating its own rotation amount. Even with intermittent rotation, it is possible to quickly start and stop, and to drive the turret 3 at high speed.

  3A is a side view of the zipper piece supply device, and FIG. 3B is an enlarged cross-sectional view of a holding portion provided in the turret. Each holding portion 10 provided in the turret 3 has a guide groove 18 that guides the zipper bone portion 43 and flat support shelves 19 and 19 that are formed on both sides of the guide groove 18 and support the flap portions 45 and 46. is doing. When sending the zipper web Jw in the longitudinal direction, the longer the length, the easier it is to bend. Since the zipper bone portion 43 of the zipper piece J is composed of the male and female meshing portions 41 and 42 meshing with each other, the rigidity is higher than that of the flap portions 45 and 46. 43 can be used to guide the entire zipper web Jw. By sending the zipper bone portion 43 along the guide groove 18 formed in the holding portion 10, the zipper web Jw is guided to the holding portion 10 without being bent. Reflecting material 20 such as a glossy metal tape or plate is preferably attached to the guide groove 18 from the relationship with the detecting means described later.

  The flap portions 44, 45, 46 of the zipper piece J are film-like portions that are more flexible than the zipper bone portion 43, and are attached to the web-like packaging material Fw by temporary fixing or a main seal, When the zipper bone portion 43 is guided in the guide groove 18, it is supported and guided by the flat support shelves 19 and 19 formed on both sides of the guide groove 18. The support shelves 19 and 19 have a large number of suction holes 21 (symbols are shown only partially) for adsorbing the flap portions 45 and 46, and communicate with the inside of the turret 3. In order to adsorb the zipper piece J through the suction hole 21, the central shaft 11 is formed in a tubular structure and is connected to an external blower by a hose 22. The central shaft 11 is formed with a large number of communication holes 23 (reference numerals are shown only partially) communicating between the inside and the outside, and the inside of the cylindrical turret 3 can be set to a negative pressure.

  When the holding unit 10 receives the zipper piece J, the suction holes 21 formed in the support shelves 19 and 19 suck the flaps 45 and 46 of the zipper piece J, so that the zipper piece J is attached to the holding unit 10. Suction hold. The support shelves 19 and 19 play the role of an anvil when being pressed by the heat sealer 29 of the zipper piece adhesion mechanism 4 when the flap portion 46 is heat sealed to the web-shaped packaging material Fw. Therefore, it is preferable that the support shelves 19 and 19 be heat-resistant surface-treated members coated with Teflon (registered trademark). Further, the suction force when the suction hole 21 is provided is set to a force that does not hinder the feeding of the zipper and does not shake off the zipper piece J during intermittent rotation.

  When the turret 3 is temporarily stopped during the intermittent rotation, the holding unit 10 stops corresponding to the cutting position P1 of the zipper piece cutting mechanism 2. In order to prevent the zipper web Jw and the zipper piece J from being lifted or displaced in cooperation with the stopped holding part 10, a pressing part 24 having a complementary structure is provided facing the holding part 10. That is, the holding portion 24 has a guide groove 25 that guides the zipper bone portion 43 and flat holding surfaces 26 and 26 that are formed on both sides of the guide groove 25 and hold the flap portions 44 and 46. By forming the gap 27 for zipper feeding in which the guide grooves 18 and 25 into which the zipper bone portion 43 enters at the center are formed by the holding portion 10 and the pressing portion 14, the zipper web Jw can be stably prevented from being bent. The zipper piece J can be accurately received and held in the holding portion 10.

  When the zipper web Jw is fed in the longitudinal direction by the zipper feeding mechanism 5 and fed along the generatrix direction of the turret 3, detection means 28 for detecting that the predetermined position of the holding portion 10 has been reached is provided. The detection means is an optical sensor capable of receiving light from the reflective material 20 described above, and does not receive light when the light is blocked by the zipper web Jw, so that the tip of the zipper web Jw arrives at the sensor position. Can be detected. In response to the detection means 28 detecting the tip of the zipper web Jw, the controller controls the cutter 13 so that the zipper piece J having a predetermined length can be cut out from the zipper web Jw. Moreover, the center position of the web-shaped packaging material Fw and the zipper piece J is set so that the cut-out position P1 is a position where the zipper piece J is attached to the web-shaped packaging material Fw in the width direction. Furthermore, by changing the sensor position in the bus line direction of the turret 3 in response to the width dimension of the web-shaped packaging material Fw, it is possible to cope with a change in packaging size.

  A quarter rotation position on the downstream (downstream) side of the turret rotation after the cutting position P1 is the adhesion work position P2, and the holding unit 10 temporarily stops at the adhesion work position P2 due to intermittent rotation of the turret 3 Further, the zipper piece attaching mechanism 4 attaches the zipper piece J to the web-shaped packaging material Fw. The turret 3 holding the zipper piece J in the holding part 10 is run in a mode along the web-shaped packaging material Fw (in the case of the embodiment, the running direction is reverse, but this is essentially Absent). At the adhesion work position P2, a heat sealer 29 is provided on the back side of the web-shaped packaging material Fw, and the heat sealer 29 is temporarily stopped by an appropriate drive mechanism that reciprocates such as an air cylinder and a cam / link. It moves forward and backward toward the holding part 10. The heat sealer 29 pushes the flap portion 46 from the outside of the web-shaped packaging material Fw via the web-shaped packaging material Fw, and presses the web-shaped packaging material Fw and the flap portion 46 in this order on the support shelf 19. It adheres to the web-like packaging material Fw. After the heat sealer 29 moves backward, when the web-shaped packaging material Fw moves away from the turret 3, the zipper pieces J are carried away from the turret 3 while being attached to the web-shaped packaging material Fw.

  According to the zipper supply apparatus 1, the zipper piece cutting mechanism 2 cuts out a zipper piece J having a predetermined length from the zipper web Jw at the cutting position P1, and the cut out zipper piece J is temporarily stopped during intermittent rotation. And is held by a holding portion 10 provided along the generatrix direction on the circumferential surface of the cylinder. The zipper piece J received by the turret 3 is conveyed in a lateral posture to the downstream side of the rotation at the cutting position P1 with the intermittent rotation of the turret 3. At the attachment work position P2 where the holding unit 10 is temporarily stopped, the zipper piece J is attached to the web-shaped packaging material Fw by the zipper piece attachment mechanism 4. Since the cutting position P1 and the attaching work position P2 of the zipper piece J are arranged separately at different positions in the circumferential direction of the turret 3, the cutting action of the zipper piece J by the zipper piece cutting mechanism 2 and the zipper piece attachment The operation of attaching the zipper piece J to the web-shaped packaging material Fw by the mechanism 4 can be performed in a time-overlapping manner, and the supply cycle time of the zipper piece J can be shortened. Further, the zipper pieces J are not transported gradually in the longitudinal direction, but are transported to the adhesion work position P2 in the transverse direction by the rotation of the turret 3, so that the transportation by the turret 3 can be further speeded up. it can.

1 is an overall schematic view of a zipper piece supply device according to the present invention. It is a front view of the principal part of the zipper piece supply apparatus shown in FIG. It is a figure which shows the principal part of the zipper piece supply apparatus shown in FIG. It is sectional drawing which shows an example of the zipper piece supplied with a zipper piece supply apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Zipper piece supply apparatus 2 Zipper piece cutting mechanism 3 Turret 4 Zipper piece adhesion mechanism 5 Zipper feeding mechanism 6 Belt feeding mechanism 7 Zipper sending part 8,8 Roller 9 Apparatus frame 10 Holding part 11 Center shaft 12 Bearing 13 Cutter 14 Drive motor 15 Output rotation shaft 16 Gear 17 Gear 18 Guide groove 19, 19 Support shelf 20 Reflector 21 Suction hole 22 Hose 23 Communication hole 24 Holding part 25 Guide groove 26, 26 Holding surface 27 Clearance 28 Detection means 29 Heat sealer 30 Vertical type Bag making filling and packaging machine 31 Former 32 Center sealer 33 Filling cylinder 34 End sealer 35 Paper feed mechanism 36 Cutter 37 Drive roller 38 Driven roller 39 Guide roller 40 Mark sensor 41, 42 Engagement part 43 Zipper bone part 44, 45, 46 Flap Part A Product R Fw Web-like packaging material Ft Cylindrical packaging material Jw Zipper web J Zipper piece W Zipper piece width CC Center line P Bag (bag packaging) L Bag length Pt Bag top Pe Bag bottom P1 Cut out Position P2 Adhesion work position

Claims (5)

  A zipper piece cutting mechanism for cutting out a zipper piece of a predetermined length from a continuous zipper at a cutting position, and a holding portion for holding the zipper piece is provided along a generatrix direction on a cylindrical peripheral surface, and the zipper during intermittent rotation A turret that temporarily stops corresponding to the cutting position of the piece cutting mechanism and the holding unit receives the zipper piece, and the holding unit on the downstream side of the rotation of the cutting position with intermittent rotation of the turret. A zipper piece supply device, comprising: a zipper piece attaching mechanism which is arranged corresponding to the attaching work position temporarily stopped and attaches the zipper piece to the web-shaped packaging material.   The zipper piece cut-out mechanism is configured to detect that the continuous zipper is sent to a predetermined position of the holding portion in the longitudinal direction and along the generatrix direction of the turret by the feed mechanism, and the detection means The zipper piece supply device according to claim 1, further comprising a cutter that cuts out the zipper piece in response to the detection of the zipper piece.   The zipper piece is composed of a zipper bone portion made up of male and female meshing portions meshed with each other, and a flap portion formed integrally with the meshing portion and extending to the side of the zipper bone portion, The holding portion of the turret includes a guide groove that guides the zipper bone portion, and a flat support shelf that is formed on both sides of the guide groove and supports the flap portion. 2. The zipper piece supply device according to claim 1, wherein suction holes for adsorbing the flap portions are opened.   2. The zipper piece supply device according to claim 1, wherein the holding portion of the turret is provided at a plurality of locations spaced at equal intervals on the cylindrical peripheral surface of the turret.   The zipper piece attachment mechanism pushes the flap part of the zipper piece held by the holding part via the web-like packaging material, and the flap part and the web-like packaging material between the support shelf and The zipper piece feeding device according to claim 1, wherein the zipper piece feeding device is a heat sealer that welds.

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