TWM588456U - Film dividing device for slide fastener - Google Patents

Abstract

The utility model provides a film dividing device for zippers. An adhesive film (20) is attached to one side of the pair of fastener tapes (14) of the liquid-tight slide fastener (12). A tape guide (30) is included for passing a pair of fastener tapes (14) in the longitudinal direction and restricting its position. A disc-shaped cutting blade (32) is included to reach the film (20) of the pair of zipper tapes (14) passing through the tape guide (30). Including a cutting blade driving device (42), the cutting blade (32) is rotated by the cutting edge (32a) to cut the cutting direction of the film (20) and a pair of zipper tapes (14) along the tape guide (30) ) Rotate the cutting blade (32) in the opposite direction. The film (20) is divided into two in the longitudinal direction as the zipper tape (14) moves. With the simple structure, the film dividing device for slide fasteners provided by the present invention can divide the film provided on the fastener tape into two in order, and the liquid-tight performance is also improved.

Description

Film dividing device for zipper

The utility model relates to a film dividing device for slide fasteners, and particularly relates to a film provided on a slide fastener capable of preventing the infiltration of liquids such as water or oil into two pieces and separating them according to each zipper tape Film dividing device for slide fastener.

Previously, there were slide fasteners that could prevent liquids such as water or oil from infiltrating from the element bite portion of the slide fastener. For example, regarding a structure that prevents water and the like from entering, there is a liquid-tight slide fastener in which a covering material made of synthetic resin is provided on one side of a fastener tape and a water repellent or oil repellent is attached to the core thread. In addition, as disclosed in Patent Document 1, there is also a slide fastener formed by forming a continuous liquid-tight and elastically deformable surface on the entire surface of one side of the belt member in the front and back surfaces of the fastener tape The covering material is inserted into the protruding portion from one side of the pair of fastener tapes to cut the covering material, and the core of each fastener tape separated by the cutting of the covering material is injection-molded to each fastener element.

For a slide fastener having a liquid-tight function disclosed in Patent Document 1 and the like, a step is required in which a liquid-tight film is provided on the front surface of the fastener tape and the film can be pressed after the film is attached to a pair of fastener tapes Each fastener tape is divided into two separately. Regarding the splitting device for splitting into two, as disclosed in Patent Document 1, there is a device for synthesizing a pair of belts while using a protrusion that is a cutting blade provided on the outer peripheral surface of a roller When the resin film is cut, the cut synthetic resin film is attached to the surface of the belt. [Prior Art Literature] [Patent Literature]

[Patent Literature l]WO2012/035653

[Problems to be solved by utility models]

The cutting knife that cuts the synthetic resin film attached to the surface of the fastener tape and the roller that rotates together with the fastener tape are provided as one body. Since the circumferential speed is equal to the moving speed of the synthetic resin film, the cutting knife cuts the synthetic resin. The film is pressed and cut, and the cut surface of the synthetic resin film may become uneven, which hinders the improvement in appearance and liquid-tight performance.

The present invention has been completed in view of the problems of the background art described above, and an object of the invention is to provide a film dividing device for a slide fastener which can divide a film provided on a fastener tape into two with a simple structure, thereby Liquid-tight performance is also improved. [Technical means to solve the problem]

The utility model is a film dividing device for a zipper, which divides the film on one side of a pair of zipper tapes attached to a liquid-tight zipper into two in the longitudinal direction as the zipper tape moves, and presses each zipper tape For separation, the film dividing device for a zipper includes a tape guide portion for passing the pair of zipper tapes to which the film is attached in the longitudinal direction and restricting the positions of the pair of zipper tapes; disc-shaped A cutting knife that reaches the film of the pair of zipper tapes passing through the tape guide; and a cutting knife driving device that rotates at the tip of the cutting knife to cut the film The cutting direction of the cutting blade is rotated in a manner opposite to the direction in which the pair of fastener tapes travel in the tape guide.

The cutting blade penetrates from the surface of the film to a position where the end edges of the pair of fastener tapes face each other and rotates. Alternatively, the cutting blade may penetrate from the surface of the film to the surface of the fastener element provided at each end of the pair of fastener tapes and rotate.

The tape guide portion has an insertion hole that surrounds the periphery with a surface parallel to the movement direction of the pair of fastener tapes, and the cutting blade is inserted to make it abut against the film.

At least a part of the tape guide portion forming an insertion space through which the pair of fastener tapes pass is detachably provided.

On the opposite side of the tape guide from the insertion hole, an element restriction member that restricts the movement position of the element row of the pair of fastener tapes is provided, The element restriction member is detachably provided on the supporting base material.

The element restricting member is inserted into a fixing portion of a supporting base material supporting the cutting blade driving device, and is fixedly and unfixably mounted by a fixing lever provided on the supporting base material.

The film dividing device for a slide fastener includes a tape moving device that passes the pair of fastener tapes provided with the film through the tape guide. The tape transfer device includes a supply roller that supplies the pair of zipper tapes and a transfer roller that sends out the pair of zipper tapes with the tape guide portion interposed.

The film dividing device for a zipper includes: an imaging device that images the state of the surface of the film after the film is divided into two by the cutting blade; and an inspection device that uses the image by the imaging device Image to check the cut state of the film. [Effect of Utility Model]

The film dividing device for slide fasteners of the present invention can divide the film provided on the fastener tape into two in the longitudinal direction with a simple structure, so that the cut end surfaces are neatly arranged. Therefore, in a state where the cut end faces of the film are pressure-contacted with each other, high liquid-tight performance can be obtained. The film provided on the fastener tape is smoothly divided at high speed, and the cutting resistance is small, the life of the cutting blade can be extended, and the continuous operation time of the device can be extended. Furthermore, it is possible to reduce the stop time of the reduction device due to the replacement operation, and it is possible to reduce the man-hours for the replacement operation of the cutting blade. Therefore, the production efficiency of dividing the film into two steps is greatly improved.

Hereinafter, the first embodiment of the film dividing device for slide fasteners of the present invention will be described based on FIGS. 1 to 7. First, based on FIGS. 5(a), 5(b), 6(a), and 6(b), the liquid-tight slide fastener 12 manufactured by the film dividing device 10 for slide fasteners of this embodiment is demonstrated. The liquid-tight zipper 12 is a pair of left and right zipper tapes 14 facing the end edge portion 14a, and the spiral element rows 16 through which the core wires 15 have been inserted are sewn to the zipper tape 14 by stitches 17 to form a To zipper tooth chain belt 18. The element row 16 shapes one synthetic resin thread into a spiral shape to form each fastener element 19. The film 20 made of synthetic resin is attached to the front surface of the fastener tape 14 of the liquid-tight slide fastener 12 with an adhesive resin (not shown). The film 20 is attached to both sides of the pair of fastener tapes 14 and serves as the outer surface of one side.

The material of the film 20 is preferably polyurethane, and synthetic resin materials having flexibility and elasticity such as polyester, polypropylene, nylon, polyvinyl chloride, silicone resin, and silicone rubber can be appropriately selected. Regarding the thickness of the film 20, the film alone is 35 μm to 45 μm, and the thickness of the film 20 including the adhesive resin is about 140 μm to 180 μm. The thickness of the film 20 can be appropriately set by selecting the thickness of a single film and the adhesive resin.

In a state where the element rows 16 of the liquid-tight slide fastener 12 are engaged, the end portions 14 a of the pair of slide fastener tapes 14 facing each other are slightly spaced and face each other. The film 20 is provided to cover the edge 14 a of the fastener tape 14 and the fastener element 19. Therefore, in a state where the liquid-tight fastener 12 is closed, the fastener elements 19 of the pair of fastener elements 18 are engaged with each other, and the opposing end surfaces 20 a of the film 20 are in close contact with each other. Thereby, the liquid does not enter the back side of the liquid-tight slide fastener 12 from the side to which the adhesive film 20 is attached on the front side of the liquid-tight slide fastener 12, thereby forming a liquid-tight state.

In the liquid-tight slide fastener 12, a slider 22 that engages and releases the fastener element 19 is slidably provided on the element row 16 of the pair of fastener stringers 18. The slider 22 includes: a main body 24 having a guide path 21 through which the zipper teeth 19 of a pair of fastener chains 18 pass; a pull tab 13 for operating the main body 24; and a pull tab mounting portion 23 for pulling the pull tab 13 The upper plate 26 held on the outer side of the main body 24.

The main body 24 slidably grips the element row 16 by the guide path 21 formed by the upper plate 26 and the lower plate 28. At the side edge portion of the lower plate 28, a guide edge portion 29 is erected integrally, and a side portion of the guide path 21 is formed. At the center of an opening of the guide path 21 between the upper plate 26 and the lower plate 28, a connecting column 27 is provided. The guide path 21 of the connecting column 27 between the upper plate 26 and the lower plate 28 is located at the end on the side where the fastener element 19 is separated. As a result, the space of the guide path 21 is formed in a Y-shape, and the fastener element 19 is divided into two directions by the connecting post 27, and the fastener element 19 is engaged in the opening of the guide path 21 on the side opposite to the connecting post 27 Out.

The film dividing device 10 for a slide fastener of this embodiment is a device that divides the film 20 on each outer surface of the pair of fastener tapes 14 attached to the fastener chain 25 into two in the longitudinal direction of the fastener tape 14, The film 20 is separated for each zipper tape 14. The zipper chain 25 is formed by a pair of zipper fastener chain tapes 18 forming the liquid-tight zipper 12.

The film dividing device 10 for a slide fastener includes a tape guide 30 that allows a pair of slide fastener chains 14 to which the adhesive film 20 is attached to pass through along the length of the slide fastener chain 25 to restrict the position of the pair of slide fastener tapes 14 And make the moving position stable. The film dividing device 10 for a slide fastener includes a disc-shaped cutting knife 32 that cuts the film 20 attached to the pair of fastener tapes 14 passing through the tape guide 30 in the longitudinal direction. The cutting blade 32 has a diameter of about 30 mm, for example.

The tape guide 30 includes a plate-shaped upper surface portion 33 on the film 20 side of the fastener tape 14 that regulates the fastener chain 25, and a pair of side edge support portions 34 that support the side edge portion of the fastener chain 25 and its lower surface side. The upper surface portion 33 is provided with an insertion hole 33a which is a thin through hole through which the cutting blade 32 is inserted to cut the film 20. The element guide member 35 is provided in the center part of a pair of side edge support part 34, and this element guide member 35 has the square-groove-shaped element guide part 35a which guides the element row 16 of the fastener chain 25. As shown in FIG.

As shown in FIGS. 1 to 4, at the central portion of the element guide member 35 and facing the cutting blade 32, an element restriction member 36 that more accurately restricts the movement position of the fastener chain 25 is detachably installed. The element restricting member 36 is formed in a rectangular parallelepiped shape, and an element restricting portion 36a having a square groove shape is formed at one end. The element restricting portion 36a can more accurately restrict the position of the zipper element 19 of the zipper chain 25 than the element guide portion 35a, so that the cutting position of the film 20 is accurate.

The element guide portion 35a and the element restriction portion 36a are arranged in the movement direction of the fastener chain 25, and the groove portion penetrates in the movement direction to form an insertion space 37 through which the fastener chain 25 passes. The space between the upper surface portion 33 and the pair of side edge support portions 34 also penetrates in the traveling direction of the fastener tape 14 to form an insertion space 37 through which the fastener chain 25 passes.

The belt guide 30 is fixed to a support plate 38, and the support plate 38 is fixed to a support base material 40 that holds a cutting blade drive device 42 described later. As shown in FIGS. 1 to 4, the element restricting member 36 with the guide portion 30 is detachably fixed through a through hole 38 a in the central portion of the support plate 38 with a fixing rod 50 attached to the lower surface side of the support plate 38.于固定部51。 The fixed portion 51. The fixing lever 50 is connected to the lifting link 52, and a fixing support portion 53 that holds the element restricting member 36 and fixes the bottom portion 36 b of the element restricting member 36 in the raised position is provided at the front end portion of the lifting link 52. Regarding the element regulating member 36, it is desirable to prepare various element regulating members 36 and element regulating members 36n having element regulating portions 36a of different widths corresponding to the size of the fastener element 19 of the fastener chain 25 and the like.

The cutting blade driving device 42 has a driving motor 44, and a drive shaft of the driving motor 44 is connected to a rotating shaft 48 fixed to the center of the cutting blade 32 via a driving mechanism not shown. The cutting blade drive device 42 rotates the cutting edge 32a of the cutting blade 32 by driving the motor 44, and rotates the rotating shaft 48 so that the cutting direction of the cutting film 32 by the cutting edge 32a is opposite to the moving direction of the pair of fastener tapes 14 Turn. The number of rotations of the rotating shaft 48 can be appropriately selected, for example, it is rotated at 30 rpm to 40 rpm.

For example, as shown in FIG. 7, the film dividing device 10 for a slide fastener is fixed to a support member 54 such as a frame member, and a fastener chain reel 55 wound with a slide fastener chain 25 is rotatably attached to one end of the support member 54. The fastener chain 25 is attached to the fastener tape 14 and wound around the fastener chain reel 55 in a state where the release paper 63 is attached to the surface of the film 20. The support member 54 is provided with a winding device 65 for winding the peeling paper 63 attached to the fastener chain 25, and the peeling paper 63 is wound by the guide roller 62. The winding device 65 is provided with a motor 65b, and winds the release paper 63 around the winding drum 65a.

The support member 54 includes a supply roller 56 that transports the pair of zipper tapes 14 of the zipper chain 25 to the film dividing device 10 for slide fasteners, and the one that is pulled out from the tape guide 30 of the film dividing device 10 for slide fasteners and sends out the zipper chain 25输滚57。 Conveyor roller 57. A storage box 66 is provided on the downstream side of the transfer roller 57, and this storage box 66 stores a zipper chain 25 that divides the film 20 of the fastener tape 14 into two.

The conveying roller 57 is connected to the motor 61 and is rotatably provided, and constitutes a belt moving device 60 that moves the zipper chain 25. The fastener chain reel 55 and the supply roller 56 also constitute the belt transfer device 60 and are not connected to a motor or the like. The motor chain 61 connected to the transfer roller 57 pulls out the fastener chain 25 to be driven. The supply roller 56 and the transport roller 57 are respectively provided with a pressing roller 58 and a pressing roller 59 that can be pressed and retracted. The pressing roller 58 and the pressing roller 59 are pressed against the fastener chain 25 and press the pair of fastener tapes 14 against each Supply roller 56 and conveyor roller 57.

A plurality of guide rollers 62 fixed to the support member 54 are provided between the film dividing device 10 for slide fasteners and the conveying roller 57 to stabilize the movement of the fastener chain 25 and adjust the tension. The guide roller 62 also constitutes the belt moving device 60. A plurality of guide rollers 62 that are pivotally supported by the support member 54 are provided between the fastener chain reel 55 and the supply roller 56 to stabilize the moving position of the fastener chain 25. Furthermore, between the pair of guide rollers 62 at this position, a sensor 64 for detecting the metal foil as a mark attached to the zipper chain 25 is attached.

Next, a method of using the film dividing device 10 for a slide fastener of this embodiment will be described below. In the film dividing device 10 for slide fasteners, the cutting edge 32a of the cutting blade 32 is rotated by the drive motor 44, and the cutting direction of the film 20 cut with the cutting edge 32a is opposite to the moving direction of the pair of zipper tapes 14 of the zipper chain 25 The driving motor 44 is used to rotate the cutting blade 32. The moving speed of the fastener chain 25 is determined by the rotation speed of the supply roller 56 and the conveying roller 57. The cutting edge 32a of the cutting blade 32 is inserted into the insertion hole 33a of the upper surface portion 33 of the belt guide 30, reaches the surface of the fastener element 19 of the element row 16 of the fastener chain 25 from the surface side of the film 20, and rotates.

As a result, the relative speed of the film 20 attached to the surface of the pair of fastener tapes 14 at the conveying speed of the fastener chain 25 and the peripheral speed of the cutting edge 32a of the cutting blade 32 is lengthened by the cutting edge 32a in the longitudinal direction The upper is divided into two. In addition, when the cutting blade 32 is rotated at the rotation number or more, there is no difference in the cutting performance of the film 20 even if the rotation number is increased.

According to the film dividing device 10 for slide fasteners of the present embodiment, the cutting blade is turned so that the cutting direction of the blade tip 32a by the rotation of the cutting blade 32 and the moving direction of the fastener tape 14 of the zipper chain 25 are opposite directions The 32 rotation makes it possible to divide the film 20 attached to the fastener tape 14 into two in the longitudinal direction simply and neatly. Since the cut end surfaces of the film 20 are neat, the liquid-tight slide fastener 12 is closed, and the cut surfaces of the film 20 are pressed against each other to achieve high liquid-tight performance. Furthermore, the film 20 is divided smoothly at high speed, and the cutting resistance is small, and the life of the cutting blade 32 can be extended. Since the replacement frequency of the cutting blade 32 is small, it is possible to reduce the man-hours for the replacement operation of the cutting blade 32, and it is possible to extend the continuous operation time of the film dividing device 10 for the slide fastener, thereby reducing the device stop time due to the replacement operation. Therefore, in the manufacturing step of the liquid-tight slide fastener 12, the production efficiency of the step of dividing the film 20 of the pair of fastener tapes 14 into two can also be greatly improved.

Furthermore, the tape guide 30 is provided so as to surround the surroundings with a surface parallel to the movement direction of the pair of fastener tapes 14 of the fastener chain 25, and reliably guides the movement of the fastener chain 25. In particular, the upper surface 33 of the belt guide 30 is formed with an insertion hole 33a into which the cutting blade 32 is inserted to cut the film 20, and the zipper chain 25 is surely guided, and the cutting of the film 20 by the cutting blade 32 also becomes easy. The element restricting member 36 is detachably provided on the support base 40, and various fastener chains 25 of different forms can be easily replaced with element restricting members 36n corresponding to the fastener chains 25 of other forms. In particular, the fixing lever 50 can easily fix and release the element restricting member 36, and can quickly perform replacement work.

Next, a second embodiment of the film dividing device for slide fastener of the present invention will be described based on FIGS. 8 to 11. Here, the same members as those in the above-mentioned embodiment are given the same symbols and the description is omitted as appropriate.

The film dividing device 70 for a slide fastener of the second embodiment includes a tape guide 30 through which the pair of slide tapes 14 to which the adhesive film 20 is attached continuously pass in the longitudinal direction, restricts the position of the fastener chain 25 and stabilizes the moving position; and The disc-shaped cutting blade 32 cuts the film 20 attached to the pair of fastener tapes 14 passing through the tape guide 30 in the longitudinal direction.

The fastener tape 14 of this embodiment is a fastener tape before a fastener element is attached to a pair of fastener tape 14, and the resin fastener element is injection-molded by the edge part 14a of the fastener tape 14 after the film 20 is divided into two. form. The tape guide 30 includes an upper surface portion 33 that regulates the pair of fastener tapes 14 on the film 20 side, and a lower surface support portion 72 that supports the side edge portion of the pair of fastener tapes 14 and the lower surface side. The upper surface portion 33 includes an insertion hole 33a for inserting the cutting blade 32 to cut the film 20 of the fastener tape 14. A square groove portion 73 where the cutting edge 32 a of the cutting blade 32 is located is formed in the center of the lower surface support portion 72. An insertion space 75 through which the pair of fastener tapes 14 passes is formed between the upper surface portion 33 and the lower surface support portion 72.

The lower surface support portion 72 is supported by a rectangular parallelepiped pressing member 74 that presses the lower surface support portion 72 upward from the lower surface side. The pressing member 74 is inserted into the center of the holding member 71 and is detachably installed. The pressing member 74 is detachably fixed by the fixing rod 50 attached to the lower surface side of the support plate 38. The fixing rod 50 is connected to the lifting link 52, and a fixing support portion 53 that holds the bottom 74 a of the pressing member 74 and fixes the pressing member 74 at the raised position is provided at the front end of the lifting link 52.

As shown in FIG. 11, the upper surface portion 33 and the lower surface support portion 72 and the holding member 71 of the belt guide 30 are detachably provided. The pressing member 74 with the guide portion 30 is detachably fixed by a fixing rod 50 attached to the lower surface side of the support plate 38 through a through hole 38 a in the central portion of the support plate 38. The pressing member 74 and the pair of fastener tapes 14 Corresponding to the width and the like, the other upper surface portion 33 and the lower surface support portion 72 (not shown) for forming the insertion space 75 of another shape not shown are selected and set, and are provided so as to be held by the pressing member 74.

Next, a method of using the film dividing device for slide fastener 70 of this embodiment will be described below. Similarly to the above-described embodiment, the film splitting device 70 for slide fasteners has the cutting edge 32a of the cutting blade 32 rotated by the drive motor 44 to cut the cutting direction of the film 20 and the movement of the pair of fastener tapes 14 at the cutting edge 32a. In the opposite direction, the driving motor 44 rotates the cutting blade 32. As a result, the relative speed of the film 20 attached to the surface of the pair of fastener tapes 14 at the conveying speed of the fastener tape 14 and the peripheral speed of the cutting edge 32a of the cutting blade 32 is longitudinally aligned by the cutting edge 32a The upper is divided into two.

Since the film dividing device 70 for a slide fastener of this embodiment divides the film 20 provided on the fastener tape 14 before forming the zipper teeth, the cutting edge 32a of the cutting blade 32 can be inserted into the insertion hole of the upper surface portion 33 of the tape guide 30 33a and reach the square groove 73.

According to the film dividing device 70 for slide fasteners of this embodiment, the cutting direction of the blade tip 32a by the rotation of the cutting blade 32 and the moving direction of the fastener tape 14 are opposite to each other in the same manner as in the above embodiment By rotating the cutting blade 32, the film 20 attached to the pair of fastener tapes 14 can be simply divided into two in the longitudinal direction. In addition, since no zipper teeth are provided on the back side of the film 20, the cutting edge 32a of the cutting blade 32 can penetrate the thickness of the fastener tape 14 until the end edge portions 14a of the pair of fastener tapes 14 face each other, so that the cutting edge 32a Located in a deep position, the film 20 can be reliably divided.

Next, another embodiment of the film dividing device for slide fasteners of the present invention will be described based on FIG. 12. Here, the same members as those in the above-mentioned embodiment are denoted by the same symbols, and the description is omitted as appropriate.

The film dividing device 80 for zippers includes: an imaging device 76 including a plurality of cameras as imaging devices; and an inspection device 78 that analyzes an image obtained by the imaging device 76 to obtain cutting information of the film 20 and is capable of It is automatically checked whether the cut state of the film 20 is good. The inspection device 78 includes a monitor (not shown), and is provided to be able to display an image of the cut portion of the film 20, the inspection result of the inspection device 78, and the like.

In the film dividing device 80 for slide fasteners, the imaging device 76 and the inspection device 78 are attached to the support member 54. A fastener tape reel 82 is rotatably attached to one end of the support member 54, and a pair of fastener tapes 14 to which the release paper 63 is attached is wound around the fastener tape reel 82. A winding device 65 for winding the release paper 63 is provided in the middle of the upper stage of the support member 54, and the release paper 63 is wound by the guide roller 62. The winding device 65 is provided with a motor 65b, and winds the release paper 63 around the winding drum 65a.

The support member 54 includes a supply roller 56 that conveys the pair of fastener tapes 14 to the film dividing device 80 for slide fasteners, and a conveying roller 57 that is pulled out from the tape guide 30 of the film dividing device 80 for slide fasteners and sends out the fastener tape 14. A storage box 66 for storing the zipper tape 14 is provided on the downstream side of the transfer roller 57.

The transfer roller 57 is connected to the motor 61 and is rotatably provided, and constitutes a belt moving device 60 that moves the linking belt 14. The zipper tape reel 82 and the supply roller 56 also constitute the tape transfer device 60 and are not connected to a motor or the like. The zipper tape 14 is pulled out and driven by the motor 61 connected to the conveying roller 57. The supply roller 56 and the transport roller 57 are respectively provided with a pressing roller 58 and a pressing roller 59 that can be pressed and retracted. The pressing roller 58 and the pressing roller 59 are pressed against the fastener tape 14 and are pressed against the supply roller 56 and the transport roller 57 respectively. .

Furthermore, a plurality of guide rollers 62 fixed to the support member 54 are also provided between the supply roller 56 and the zipper tape reel 82 and between the zipper film dividing device 80 and the transfer roller 57 so that the zipper tape 14 The movement is stable and the tension is adjusted. A plurality of guide rollers 62 are provided between the zipper tape reel 82 and the supply roller 56, and between the pair of guide rollers 62 at this position, a sensor for detecting the metal foil as a mark attached to the zipper tape 14 is installed器64. The imaging device 76 is provided between the supply roller 56 and the film dividing device 80 for slide fasteners.

The film dividing device 80 for a slide fastener according to the present embodiment is similar to the above-described embodiment, so that the cutting direction of the blade tip 32a by the rotation of the cutting blade 32 and the moving direction of the fastener tape 14 are opposite directions. When the cutting blade 32 rotates, the film 20 attached to the fastener tape 14 can be simply divided into two in the longitudinal direction. Furthermore, the division step of the film 20 can be automatically monitored, and the production efficiency can be further improved.

In addition, the film dividing device for a slide fastener of the present invention is not limited to the above-mentioned embodiment, and it may be any shape or type of fastener element. The type or thickness of the resin of the film can also be appropriately set, and can be selected according to the application.

10‧‧‧Film dividing device for zipper 13‧‧‧Pull 14‧‧‧Zipper tape 14a‧‧‧End edge 15‧‧‧Core 16‧‧‧Chain row 17‧‧‧Suture 18‧‧‧Zipper tooth chain belt 19‧‧‧Zipper teeth 20‧‧‧ film 20a‧‧‧End 21‧‧‧Guide 22‧‧‧ slider 23‧‧‧Pull-tab installation department 24‧‧‧Main 25‧‧‧Zipper chain 26‧‧‧Upboard 27‧‧‧Connecting column 28‧‧‧Lower plate 29‧‧‧Guide edge 30‧‧‧With guide 32‧‧‧Cutting knife 32a‧‧‧tip 33‧‧‧Upper surface 33a‧‧‧Insert hole 34‧‧‧Side edge support 35‧‧‧Chain element guide member 35a‧‧‧Chain element guide 36, 36n‧‧‧Chain element restricting member 36a‧‧‧Chain element restriction 36b‧‧‧Bottom 37, 75‧‧‧Plug in space 38‧‧‧Support plate 38a‧‧‧Through hole 40‧‧‧Support base material 42‧‧‧cutting knife drive 44‧‧‧Drive motor 48‧‧‧Rotation axis 50‧‧‧Fixed rod 51‧‧‧Fixed Department 52‧‧‧Link for lifting 53‧‧‧Fixed support 54‧‧‧Supporting member 55‧‧‧Zipper chain reel 56‧‧‧Supply roller 57‧‧‧Convey roller 58、59‧‧‧Press roller 60‧‧‧With moving device 61, 65b‧‧‧Motor 62‧‧‧Guide roller 63‧‧‧ Peeling paper 64‧‧‧Sensor 65‧‧‧winding device 65a‧‧‧winding reel 66‧‧‧ containment box 71‧‧‧Retaining member 72‧‧‧Lower surface support 73‧‧‧Square 74‧‧‧Pressing member 74a‧‧‧Bottom 76‧‧‧Camera device 78‧‧‧ Inspection device 82‧‧‧Zipper with reel

FIG. 1 is a perspective view showing a film dividing device for a slide fastener according to a first embodiment of the present invention. 2 is a front view showing the film dividing device for a slide fastener according to the first embodiment. Fig. 3 is an enlarged cross-sectional view taken along line A-A of Fig. 2. 4 is a partially enlarged cross-sectional view of the enlarged cross-sectional view of A-A in FIG. 2. FIG. 5( a) is a partially broken front view showing the liquid-tight slide fastener manufactured by the slide film dividing device of the first embodiment, and FIG. 5( b) is a partially broken back view. FIG. 6( a) is a partially broken perspective view showing a liquid-tight slide fastener manufactured by the film dividing device for slide fastener of the first embodiment, and FIG. 6( b) is a cross-sectional view. 7 is a front view showing a state where the film dividing device for slide fastener of the first embodiment is fixed to a supporting base material. 8 is a perspective view showing a film dividing device for a slide fastener according to a second embodiment of the present invention. 9 is a front view showing a film dividing device for a slide fastener according to a second embodiment. FIG. 10 is an enlarged cross-sectional view of B-B in FIG. 9. 11 is a partially enlarged cross-sectional view of the enlarged cross-sectional view of B-B in FIG. 10. 12 is a front view showing another embodiment of the film dividing device for slide fastener of the present invention.

10‧‧‧Film dividing device for zipper

14‧‧‧Zipper tape

20‧‧‧ film

20a‧‧‧End

25‧‧‧Zipper chain

30‧‧‧With guide

32‧‧‧Cutting knife

33‧‧‧Upper surface

33a‧‧‧Insert hole

34‧‧‧Side edge support

35‧‧‧Chain element guide member

35a‧‧‧Chain element guide

37‧‧‧Plug in space

38‧‧‧Support plate

40‧‧‧Support base material

42‧‧‧cutting knife drive

48‧‧‧Rotation axis

50‧‧‧Fixed rod

51‧‧‧Fixed Department

52‧‧‧Link for lifting

53‧‧‧Fixed support

Claims (10)

A film dividing device for zippers, which divides a film (20) attached to one side of a pair of zipper tapes (14) of a liquid-tight zipper (12) in the longitudinal direction as the zipper tape (14) moves There are two and are separated according to each of the zipper tapes (14). The film dividing device (10, 70, 80) for zipper is characterized in that it includes: A tape guide (30) for passing the pair of zipper tapes (14) attached to the film (20) in the longitudinal direction and restricting the position of the pair of zipper tapes (14); A disc-shaped cutting knife (32) that reaches the film (20) of the pair of zipper tapes (14) passing through the tape guide (30); and A cutting blade driving device (42), which rotates at the tip (32a) of the cutting blade (32) to cut the cutting direction of the film (20) and the pair of zipper tapes (14) The cutting blade (32) is rotated so that the direction of travel in the belt guide (30) is opposite. The film dividing device for slide fastener as described in item 1 of the scope of patent application, wherein The cutting blade (32) penetrates from the surface of the film (20) to the surface of the fastener element (19) provided at each end (14a) of the pair of fastener tapes (14) and rotates. The film dividing device for slide fastener as described in item 1 of the scope of patent application, wherein The cutting blade (32) penetrates from the surface of the film (20) to a position where each end portion (14a) of the pair of fastener tapes (14) faces and rotates. The film dividing device for a slide fastener as described in any one of the first to third patent applications, wherein The tape guide (30) has an insertion hole (33a) that surrounds the periphery with a surface parallel to the moving direction of the pair of fastener tapes (14), and is provided with the cutting blade (32) Insert and make it abut against the membrane (20). The film dividing device for a slide fastener as described in any one of the first to third patent applications, wherein At least a part of the tape guide (30) forming the insertion space (37, 75) through which the pair of fastener tapes (14) pass is detachably provided. The film dividing device for slide fastener as described in item 4 of the patent application scope, wherein On the side of the tape guide (30) opposite to the insertion hole (33a), an element restriction is provided that restricts the movement position of the element row (16) of the pair of link belts (14) A member (36) is detachably provided with the element restricting member (36) on a supporting base material (40) supporting the cutting blade driving device (42). The film dividing device for slide fasteners as described in item 6 of the patent scope, wherein The element restricting member (36) is inserted into the fixing portion (51) of the supporting base material (40) supporting the cutting blade driving device (42), and the element provided on the supporting base material (40) is used. The rod (50) is fixed so that it can be fixed and released. The film dividing device for a slide fastener as described in any one of the first to third patent applications, wherein A tape transfer device (60) is provided which passes the pair of fastener tapes (14) provided with the film (20) through the tape guide (30). The film dividing device for a slide fastener as described in item 8 of the patent scope, wherein The tape moving device (60) includes a supply roller (56) for supplying the pair of zipper tapes (14) and a conveying roller for sending out the pair of zipper tapes (14) via the tape guide (30) (57). The film dividing device for slide fasteners as described in item 8 of the patent application scope includes: An imaging device (76) that photographs the surface of the film (20) after the film (20) is divided into two by the cutting blade (32); and An inspection device (78) that uses the image captured by the imaging device (76) to inspect the cut state of the film (20).

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