TW201927434A - Manufacturing device of zipper tooth chain strap has a cutting portion, a head-forming portion for forming the meshing head portion, and a rivet-jointing portion for rivet-jointing zipper chain teeth to a zipper strap - Google Patents

Abstract

The present invention provides a manufacturing device of zipper tooth chain strap capable of easily replacing a punching head member, which includes a cutting portion for cutting a wire material, a head-forming portion for forming a meshing head portion, and a rivet-jointing portion for rivet-jointing a zipper chain teeth to a zipper strap. The cutting portion has a first hammer. The rivet-jointing portion has a pair of rivet-jointing units mounted on the first hammer for riveting a pair of leg portions, and a pair of driving units for driving the pair of rivet-jointing units. The rivet-jointing unit has a rivet-jointing punching head for rivet-jointing the leg portions, a punching head housing mounted on the first hammer for guiding the rivet-jointing punching head, a rivet-jointing force applying mechanism for continuously applying force to the rivet-jointing punching head towards a retracting side, and a rivet-jointing position restricting portion for restricting the rivet-jointing punching head to a restracting position. The driving unit has a rivet-jointing punching head guiding member for driving the rivet-jointing punching head when the first hammer advances. When the first hammer is retracted, the rivet-jointing position restricting portion restricts the retracted position of the rivet-jointing punching head, so that the rivet-jointing punching head will not contact the rivet-jointing punching head guiding member.

Description

Zipper fastener belt manufacturing device

The present invention relates to a device for manufacturing a fastener stringer for a slide fastener.

As a conventional fastener stringer manufacturing apparatus, there is known a device including a first ram that is reciprocally supported on a gantry in a front-rear direction, and a guide unit that is mounted on the first ram. a punch for punching and chamfering; and a stopper unit mounted on the gantry to advance the punching punch and the chamfering punch, and restricting the punching punch and the chamfering punch The retreat position (for example, refer to Patent Document 1). [Prior Art Literature]

[Patent Document] [Patent Document 1] Chinese Patent No. 102303077

In the fastener stringer manufacturing apparatus of the above-mentioned patent document 1, the stopper unit is equipped with the 1st inclined guide surface which advances the crimping punch, and advances a chamfering punch. The second inclined guide surface; the first linear guide surface that restricts the retracted position of the swaging punch; and the second linear guide surface that limits the retracted position of the chamfering punch. Further, the punching punch and the chamfering punch are always biased toward the stopper unit by the compression spring.

However, in the related art, the punching punch and the chamfering punch are always urged toward the stopper unit by the compression spring, and the rear end portion of the punching punch and the chamfering punch is always in contact with the guide surface, so the guiding unit It is difficult to attach and detach with respect to the first ram, and the replacement work of the punch for punching and the punch for chamfering becomes complicated.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a fastener stringer manufacturing apparatus capable of easily replacing a punch member. [Technical means to solve the problem]

The above object of the present invention is achieved by the following structure. (1) A fastener stringer manufacturing apparatus for manufacturing a fastener stringer by continuously attaching a fastener element along one edge of a fastener tape, comprising: a cutting section which is intermittently supplied The material of the fastener element is cut by a wire; the head forming portion forms an engaging head on the fastener element cut by the cutting portion; and the riveting portion which is formed with the engaging head by the head forming portion The zipper element is riveted to the zipper tape, and the cutting portion includes a first ram that is reciprocally movable in the front-rear direction, and the staking portion includes a pair of staking units that are provided on the first ram and one of the zipper elements. The leg portion is riveted; and a pair of driving units drive a pair of riveting units, the riveting unit includes: a riveting punch for riveting the leg of the fastener element; and a punch housing disposed at the first collision The hammer is slidably guided so that the punching punch advances and retreats; the riveting urging mechanism constantly applies a force to the retracting side of the riveting punch; and the riveting position restricting portion limits the riveting punch Back position of the head, drive list The punch guide for the riveting is in contact with the punching punch when the first hammer advances, and the punching punch is driven to pass the riveting position when the first hammer is retracted. The restricting portion limits the retracted position of the swaging punch, and the swaging punch does not come into contact with the swaging punch guide. (2) The fastener stringer manufacturing apparatus according to the above aspect, wherein the driving unit includes: a punching punch guide; and a guide housing that slides the swaging punch guide forward and backward. The first guiding urging mechanism constantly biases the swaging punch guide toward the retreating side, and the first position adjusting member adjusts the sliding position of the swaging punch guide. (3) The fastener stringer manufacturing apparatus according to the above aspect, wherein the drive unit includes a first position fixing member that fixes a sliding position of the swaging punch guide. (4) The apparatus for manufacturing a fastener stringer according to the above aspect, wherein the swaging unit includes a chamfering punch that is slidably guided by the punch housing so as to be advanced and retracted. a chamfering element of a zipper element; a chamfering force applying mechanism that always applies a force to the retreating side of the chamfering punch; and a chamfering position restricting portion that limits the retracted position of the chamfering punch, and the driving unit has a chamfering With the punch guide, the chamfering guide is in contact with the chamfering punch when the first ram advances, and drives the chamfering punch, and chamfers when the first ram is retracted. The position restricting portion limits the retracted position of the chamfering punch, and the chamfering punch does not come into contact with the chamfering punch guide. (5) The fastener stringer manufacturing apparatus according to the above aspect, wherein the drive unit includes: a chamfering punch guide that is slidably guided by the guide housing to advance and retreat; A guiding urging mechanism that constantly applies a force to the retracting side of the chamfering punch guide; and a second position adjusting member that adjusts a sliding position of the chamfering punch guide. (6) The fastener stringer manufacturing apparatus according to (5), wherein the drive unit includes a second position fixing member that fixes a sliding position of the chamfering punch guide. (7) The fastener stringer manufacturing apparatus according to any one of (1) to (6), wherein the caulking position regulating portion of the caulking punch is provided on the punch housing. The apparatus for manufacturing a fastener stringer according to any one of the preceding claims, wherein the caulking position regulating portion of the caulking punch is provided on the caulking punch. (9) The fastener stringer manufacturing apparatus according to any one of (4) to (6), wherein the chamfering position regulating portion of the chamfering punch is provided on the punch housing. (10) The apparatus for manufacturing a fastener stringer according to any one of the preceding claims, wherein the chamfering position regulating portion of the chamfering punch is provided on the chamfering punch. [Effects of the Invention]

According to the invention, the cutting portion includes a first ram that is reciprocally movable in the front-rear direction, and the staking portion includes a pair of swaging units that are provided on the first ram and that are swaged to the pair of leg portions of the fastener element; And a pair of driving units that drive the pair of caulking units, the riveting unit includes: a riveting punch for riveting the leg portions of the fastener elements; and the first hammer is slid so that the ripping punch advances and retreats a punch housing for guiding the punching punch to the retreating side; and a caulking position restricting portion for restricting the retracted position of the swaging punch; the driving unit is provided with a riveting punch In the head guide, the punching punch guide contacts the punching punch when the first hammer advances, and drives the punching punch. When the first hammer is retracted, the crimping position restricting portion restricts the caulking. Since the punching punch is not in contact with the swaging punch guide, the punching punch can be easily attached and detached to the first hammer, whereby the swaging can be easily performed. More punch .

Hereinafter, one embodiment of the fastener stringer manufacturing apparatus of the present invention will be described in detail based on the drawings. In the following description, the upper side refers to the arrow U direction of FIG. 1, the lower side refers to the arrow D direction of FIG. 1, the front side refers to the arrow Fr direction of FIG. 1, and the rear side refers to the arrow Rr direction of FIG. The left side refers to the arrow L direction of Fig. 1, and the right side refers to the arrow R direction of Fig. 1. In addition, the left and right direction is also referred to as a width direction. Further, the upstream side and the downstream side are based on the transport direction of the fastener tape.

As shown in Fig. 1 and Fig. 2, the fastener stringer manufacturing apparatus 10 of the present embodiment includes a cutting unit 20 that cuts a wire W which is a material of a fastener element E that is intermittently supplied, and a head forming section. 40, which forms an engaging head portion E1 on the fastener element E cut by the cutting portion 20, and a caulking portion 60 which is formed by the head forming portion 40 to form a fastener element E which engages the head portion E1 by caulking. Install on the zipper tape T. Further, the fastener stringer manufacturing apparatus 10 is for manufacturing the fastener stringer FS by continuously attaching the fastener element E along one edge of the fastener tape T.

Here, the fastener stringer FS will be described. As shown in FIGS. 29A and 29B, the fastener stringer FS includes a fastener tape T and a plurality of metal fastener elements E attached to one side edge portion of the fastener tape T. The fastener element E has an engaging head portion E1 and a pair of leg portions E2 extending from the engaging head portion E1. The engaging head portion E1 has an engaging convex portion E3 formed on one face, and an engaging concave portion E4 formed on the other face.

As shown in FIG. 2 to FIG. 6 , the cutting unit 20 includes a first ram 21 that is reciprocally movable in the front-rear direction, and a cutting die 22 that is provided at the front end portion of the first ram 21 and has a wire. W is inserted through the insertion hole 22a; a cutting punch 23 is provided opposite to the upper surface of the cutting die 22, cooperates with the cutting die 22 to cut the wire W; and a hammer guide 24 which will be the first hammer 21 is supported by sliding in a front-rear direction. Further, the cutting punch 23 is attached to the hammer guide 45 of the head forming portion 40 to be described later (see FIG. 13). Further, the ram guide 24 is fixed to a device frame (not shown).

As shown in FIG. 2 and FIG. 10 to FIG. 13, the head forming portion 40 includes a second ram 41 that is reciprocally movable in the vertical direction, and a forming punch 42 that is provided at the lower end of the second ram 41. a molding head E1 is formed on the fastener element E; a forming die 43 (see FIG. 7) is integrally provided in the cutting die 22 to receive the punching of the forming punch 42; the element pressing pad 44 is based on The forming punch 42 presses the pair of leg portions E2 of the fastener element E when the head is formed, and the hammer guide 45 that slidably supports the second hammer 41 in the vertical direction. Further, the ram guide 45 is fixed to a device frame not shown.

Further, as shown in FIGS. 1 and 2, the fastener stringer manufacturing apparatus 10 includes a drive shaft 80 that drives the first ram 21 of the cutting unit 20 and the second ram 41 of the head forming unit 40; The driving force of the shaft 80 is transmitted to the first ram driving mechanism 30 of the first ram 21; the driving force of the driving shaft 80 is transmitted to the second ram driving mechanism 50 of the second ram 41; the wire W is taken from below The amount of the thickness of the fastener element E is intermittently supplied to the wire supply portion 100 of the insertion hole 22a of the cutting die 22; and the tape supply portion 110 that intermittently supplies the fastener tape T from the lower side to the front of the first ram 21 .

The drive shaft 80 has a pair of retreating cams 81 that retract the first ram 21, one forward cam 82 that advances the 115th ram 21, and a pair of lower cams 83 that move the second ram 41 downward; A pair of upper movable cams 84 that move the second ram 41 upward; one wire supply cam 85 that drives the wire supply unit 100; and one tape supply cam 86 that drives the tape supply unit 110.

As shown in FIG. 1, the wire supply unit 100 includes a feed roller 101 and a guide roller 102 that transport the wire W, a driven roller 103 that is in contact with the wire supply cam 85 of the drive shaft 80, and a driven roller 103 that supports the driven roller 103 at one end. a rod-shaped slider 104; a pawl 105 attached to the other end of the slider 104; a ratchet 106 that is intermittently rotated at a predetermined angle in only one direction by the pawl 105; and a feed roller 101 connected to the ratchet 106 a transmission shaft 107; and a compression spring 108 that biases the slider 104 toward the drive shaft 80 side.

As shown in FIG. 1, the tape supply unit 110 includes a feed roller 111 and a guide roller 112 that transport the fastener tape T, a tape guide 113 that guides the transported fastener tape T, and a tape supply cam 86 that drives the drive shaft 80. The driven roller 114; the rocker arm 115 supporting the driven roller 114 at one end; the roller 116 supported at the other end of the rocker arm 115; the rod 117 swinging downward by the roller 116; and the feeding roller 111 connected to the rod 117 a transmission shaft 118; and a tension spring 119 that urges the front end of the rod 117 upward. Further, a one-way clutch (not shown) is provided between the rod 117 and the transmission shaft 118.

As shown in FIGS. 3 to 6, the first ram drive mechanism 30 includes a base portion 31 that is fixed to a device frame (not shown), and is rotatably provided at the base portion 31 and has first to third end portions 32A to 32C. a rod 32; a pair of first driven rollers 33 rotatably provided at the first end portion 32A of the rod 32; and a second driven roller 34 rotatably provided at the second end portion 32B of the rod 32; A link 35 that is rotatably coupled to the third end portion 32C of the rod 32 and that is rotatably coupled to the rear end portion of the first ram 21 is provided. Further, the pair of first driven rollers 33 are in contact with the pair of retreating cams 81 of the drive shaft 80, respectively. Further, one second driven roller 34 is in contact with one of the advancing cams 82 of the drive shaft 80.

The rod 32 is rotatably supported relative to the base 31 by the support shaft 31A. The pair of first driven rollers 33 are rotatably supported by the first end portion 32A of the rod 32 via the support shaft 33a. One of the second driven rollers 34 is rotatably supported by the second end portion 32B of the rod 32 via the support shaft 34a. One end of the link 35 is rotatably coupled to the third end portion 32C of the lever 32 via the lever side connecting shaft 35a, and the other end of the link 35 is responsive to the first ram 21 by the ram connecting shaft 35b. Rotated to be connected.

The support shaft 33a that supports the first driven roller 33 is formed as an eccentric shaft, and a portion that supports the first driven roller 33 is eccentric with respect to a portion supported by the first end portion 32A of the rod 32. Thereby, the position of the first driven roller 33 can be changed only by rotating the support shaft 33a with respect to the lever 32. Therefore, the contact state of the first driven roller 33 with the backward cam 81 of the drive shaft 80 can be easily adjusted.

The support shaft 34a that supports the second driven roller 34 is formed as an eccentric shaft, and a portion that supports the second driven roller 34 is eccentric with respect to a portion that is supported by the second end portion 32B of the rod 32. Thereby, the position of the second driven roller 34 can be changed only by rotating the support shaft 34a with respect to the lever 32. Therefore, the contact state of the second driven roller 34 with the forward cam 82 of the drive shaft 80 can be easily adjusted.

In the cutting unit 20 and the first hammer driving mechanism 30 configured as described above, when the drive shaft 80 rotates, the cam top of the retreating cam 81 presses the first driven roller 33 downward, and the lever 32 is clockwise as shown in FIG. When the direction is rotated, the first ram 21 is retracted. Further, when the drive shaft 80 rotates, the cam top of the forward cam 82 presses the second driven roller 34 rearward, and the lever 32 rotates counterclockwise in FIG. 6, and the first ram 21 advances. Therefore, the first ram 21 reciprocates in the front-rear direction by the rotation of the drive shaft 80.

As shown in FIGS. 10 to 13, the second ram drive mechanism 50 includes a base portion 51 that is fixed to a device frame (not shown), and is rotatably provided at the base portion 51 and has first to third end portions 52A to 52C. a rod 52; a pair of first driven rollers 53 rotatably provided at the first end portion 52A of the rod 52; and a pair of second driven rollers 54 rotatably provided at the second end portion 52B of the rod 52; A link 55 that is rotatably coupled to the third end portion 52C of the rod 52 and that is rotatably coupled to the upper end portion of the second ram 41 is provided. Further, the pair of first driven rollers 53 are in contact with the pair of lower moving cams 83 of the drive shaft 80, respectively. Further, the pair of second driven rollers 54 are in contact with the pair of upper moving cams 84 of the drive shaft 80, respectively.

The rod 52 is rotatably supported relative to the base 51 by the support shaft 51a. The pair of first driven rollers 53 are rotatably supported by the first end portion 52A of the rod 52 via the support shaft 53a. The pair of second driven rollers 54 are rotatably supported by the second end portion 52B of the lever 52 via the support shaft 54a. One end of the link 55 is rotatably coupled to the third end portion 52C of the rod 52 via the rod side connecting shaft 55a, and the other end of the link 55 is coupled to the second ram 41 by the ram connecting shaft 55b. Rotated to be connected.

The support shaft 53a that supports the first driven roller 53 is formed as an eccentric shaft, and a portion that supports the first driven roller 53 is eccentric with respect to a portion supported by the first end portion 52A of the rod 52. Therefore, the contact state of the first driven roller 53 with the lower moving cam 83 of the drive shaft 80 can be adjusted.

The support shaft 54a that supports the second driven roller 54 is formed as an eccentric shaft, and a portion that supports the second driven roller 54 is eccentric with respect to a portion supported by the second end portion 52B of the rod 52. Therefore, the contact state of the second driven roller 54 with the upper moving cam 84 of the drive shaft 80 can be adjusted.

In the head molding unit 40 and the second ram drive mechanism 50 configured as described above, the cam top of the lower cam 83 is rotated upward by the drive shaft 80, and the first driven roller 53 is pressed upward, whereby the lever 52 is directed to FIG. Turning clockwise, the second ram 41 moves downward. Further, when the drive shaft 80 rotates and the cam top of the upper cam 84 pushes the second driven roller 54 forward, the lever 52 rotates counterclockwise in FIG. 13 and the second ram 41 moves upward. Therefore, the second ram 41 reciprocates in the vertical direction by the rotation of the drive shaft 80.

As shown in FIGS. 3 to 7, the first ram 21 is attached with a die holder 25 for holding the cutting die 22 at its front end portion. Further, the cutting die 22 is fixed to the front surface of the die holder 25 by a pair of clamping members 26.

As shown in FIGS. 7 and 9, the cutting die 22 includes a spacer 27 attached to the die holder 25, and a die main body 28 attached to the front surface of the spacer 27. A through hole 27a is formed in the front surface of the partition plate 27 in the up-and-down direction, and the through-hole 27a constitutes one half of the insertion hole 22a through which the wire W is inserted. A cutting groove 28a is formed in the upper and lower surfaces of the die main body 28 in the up-and-down direction, and the cutting groove 28a constitutes one half of the insertion hole 22a through which the wire W is inserted. Further, the insertion hole 22a is formed by bringing the insertion groove 27a of the spacer 27 into the front and rear of the cutting groove 28a of the die main body 28. Further, the cutting groove 28a is formed in the same shape as the outer peripheral surface of the pair of leg portions E2 on the fastener element E.

As shown in FIG. 13, the cutting punch 23 is attached to the front surface of the lower end portion of the hammer guide 45 of the head forming portion 40. Further, the cutting punch 23 is disposed such that its lower surface is in sliding contact with the upper surface of the cutting die 22. Further, at the front end portion of the cutting punch 23, a cutting recess 23a having the same shape as the outer peripheral surface on the meshing head portion E1 side of the fastener element E is formed.

As shown in FIGS. 10, 11, and 13, the second ram 41 has a punch holder 41a that holds the forming punch 42 on the front surface of the lower end portion thereof. Further, a pad holder 41b to which the element pressing pad 44 is attached is attached to the front surface of the punch holder 41a. Further, the element pressing pad 44 is slidably provided between the punch holder 41a and the pad holder 41b in the vertical direction.

As shown in FIGS. 7 and 9, the forming die 43 is integrally formed with the die main body 28 of the cutting die 22. At the front end portion of the forming die 43, a forming recess 43a into which the engaging head portion E1 of the fastener element E is fitted is formed.

Further, as shown in FIG. 13, the second hammer driving mechanism 50 is provided with a pad pressing mechanism 56 that presses the element pressing pad 44 downward. The pad pressing mechanism 56 includes a pressing pin 56a that is slidably provided on the link 55 in the vertical direction and that abuts against the upper end surface of the element pressing pad 44, and a pair of compression springs 56b that press the pressing pin 56a downward. And a spring receiving portion 56c fixed to the upper surface of the link 55 and receiving the upper end portions of the pair of compression springs 56b. The pressing pin 56a is inserted into the guide hole 55c formed in the center in the width direction of the link 55 along the longitudinal direction (up-and-down direction) of the link 55.

Further, the pressing pin 56a is configured to absorb the upward movement size of the element pressing pad 44 when the second ram 41 moves downward and the element pressing pad 44 presses the fastener element E (see FIG. 22).

In the element pressing pad 44 and the pad pressing mechanism 56 configured as described above, the element pressing pad 44 is always pressed downward by the pad pressing mechanism 56. Therefore, the element pressing pad 44 at the time of high-speed driving can be improved with respect to the second ram. The followability of the vertical movement of 41 can thereby achieve high-speed operation of the fastener stringer manufacturing apparatus 10. Further, since the fastener element E can be reliably pressed by the element pressing pad 44, the molding precision of the engaging head portion E1 of the fastener element E can be constantly maintained.

As shown in FIG. 3 to FIG. 5 and FIG. 8 , the caulking portion 60 includes a pair of the pair of leg portions E2 attached to the upper surface of the die holder 25 of the first hammer 21 and which is attached to the fastener element E. The caulking unit 60A; and a pair of driving units 70 that are disposed outside the width direction of the pair of caulking units 60A and that drive the pair of caulking units 60A.

As shown in Fig. 14 and Fig. 15, the caulking unit 60A includes a caulking punch 61 that caulks the leg portion E2 of the fastener element E, and a chamfering punch 62 that performs chamfering of the fastener element E; The punch housing 65 that slidably guides the upper surface of the die holder 25 of the first ram 21 so as to advance and retreat the swaging punch 61 and the chamfering punch 62. Further, in the present embodiment, the advancement of the swaging punch 61 and the chamfering punch 62 moves inward in the width direction, and the backward movement moves outward in the width direction. 14 to 19 show the swaging unit 60A and the drive unit 70 on the right side, but the riveting unit 60A and the drive unit 70 on the left side have the same configuration.

As shown in FIGS. 14 to 17, the punch housing 65 includes a lower housing 66 and an upper housing 67 that covers the upper portion of the lower housing 66, and a sliding portion is formed between the lower housing 66 and the upper housing 67. The first punch passage 65a of the punching punch 61 and the second punch passage 65b for slidably receiving the chamfering punch 62 are slidably accommodated. Further, the lower casing 66 is fixed to the upper casing 67, and the upper casing 67 is fixed to the upper surface of the die holder 25 of the first ram 21.

In addition, as shown in FIG. 16 and FIG. 17, a caulking position regulating member (riveting position regulating portion) 68 is attached to the rear end of the outer surface of the upper casing 67 in the width direction, and a card for the caulking punch 61 to be described later is attached. The joint groove 61d is engaged to restrict the retracted position of the swaging punch 61. The caulking position regulating member 68 abuts against the inner side surface in the width direction of the engaging groove 61d, and restricts the movement of the caulking punch 61 that is biased toward the retreating side (outside in the width direction) by the compression spring 61c to be described later.

As shown in FIGS. 8 and 9, the caulking punch 61 has a recessed portion 61a formed at the inner end portion thereof and fitted with the leg portion E2 of the fastener element E, and an outer end portion formed at the outer end portion thereof, which will be described later. The guide surface 72a of the punching punch guide 72 is in contact with each other, and the caulking punch 61 is guided toward the inner side in the width direction. The guided surface 61b is a surface that is inclined toward the front. In addition, the caulking punch 61 is always urged toward the retreating side (outside in the width direction) by a compression spring (riveting urging mechanism) 61c disposed inside. Further, an engagement groove 61d to which the caulking position regulating member 68 is engaged is formed on the rear surface of the outer end portion of the swaging punch 61. Further, a first spring receiving pin 67a that receives the inner end portion of the compression spring 61c is attached to the upper casing 67.

As shown in FIGS. 8 and 9, the chamfering punch 62 has a concave chamfered portion 62a formed at an inner end portion thereof and chamfering a corner portion of the fastener element E, and a bellows portion 62a formed at an outer end thereof The guide surface 62b that is in contact with the guide surface 73a of the chamfering punch guide 73 to be described later and that advances the chamfering punch 62 toward the inside in the width direction. The guided surface 62b is a surface that is inclined toward the front. Further, the chamfering punch 62 is always urged outward in the width direction by a compression spring (chamfering urging mechanism) 62c disposed inside the punching blade 62. Further, a second spring receiving pin 67b that receives the inner end portion of the compression spring 62c is attached to the upper casing 67.

Further, as shown in FIG. 17, the front surface of the inner end portion of the chamfering punch 62 is formed to be in contact with the inner side surface in the width direction of the upper casing 67 to restrict the retraction position of the chamfering punch 62. An angular position restricting tab (chamfering position restricting portion) 62d. The chamfered position regulating projection 62d abuts against the inner side surface in the width direction of the upper casing 67, and restricts the movement of the chamfering punch 62 by which the compression spring 62c urges toward the retreating side (outside in the width direction).

Moreover, as shown in FIG. 8, the chamfering punch 62 is arrange|positioned so that it may superpose above the crimping punch 61. Further, the chamfering punch 62 is disposed in a direction orthogonal to the sliding direction of the first ram 21, and the caulking punch 61 is disposed obliquely with respect to the chamfering punch 62. Therefore, the caulking punch 61 and the chamfering punch 62 are arranged to intersect each other in the sliding direction.

As shown in FIG. 14, FIG. 18, and FIG. 19, the drive unit 70 includes a swaging punch guide 72 for driving the swaging punch 61, and a chamfering punch guide 73 for driving the chamfering punch 62; The guide case 71 that is slidably guided to the device frame (not shown) and that is configured to advance and retract the swaging punch guide 72 and the chamfering punch guide 73. Further, in the present embodiment, the advancement of the swaging punch guide 72 and the chamfering punch guide 73 is to move inward in the width direction, and to move backward in the width direction. Further, the chamfering punch guide 73 is disposed adjacent to the swaging punch guide 72.

The guide housing 71 includes a bottom portion 71a fixed to a device frame (not shown), a pair of side walls 71b extending upward from both end portions of the bottom portion 71a, a cover 74 attached to an upper end portion of the pair of side walls 71b, and mounting An outer wall 75 that extends outward in the width direction of the bottom portion 71a and extends upward.

The riveting punch guide 72 has a guide surface 72a formed at an inner end portion thereof, and the guide surface 72a comes into contact with the guided surface 61b of the caulking punch 61 when the first ram 21 advances. In addition, the punching punch guide 72 is always urged toward the retreating side (outside in the width direction) by a compression spring (urging means) 72b disposed in the bottom portion 71a of the guide casing 71 (see FIG. 18).

The chamfering punch guide 73 has a guide surface 73a formed at the inner end portion thereof, and the guide surface 73a comes into contact with the guided surface 62b of the chamfering punch 62 when the first ram 21 advances. In addition, the chamfering punch guide 73 is always urged toward the retreating side (outside in the width direction) by a compression spring (urging means) 73b disposed in the bottom portion 71a of the guide casing 71 (see FIG. 19).

Further, the outer wall 75 is provided with a first position adjusting bolt 76 for adjusting the sliding position of the swaging punch guide 72 in the width direction, and for adjusting the sliding position of the chamfering punch guide 73 in the width direction. The second position adjustment bolt 77. The first and second position adjusting bolts 76 and 77 are disposed obliquely with respect to the outer wall 75, and the rear surface of the swaging punch guide 72 and the chamfering punch guide 73 are pressed by the front end corner portion to adjust the punching punch. The position of the head guide 72 and the chamfering punch guide 73 in the width direction. Further, each of the first and second position adjusting bolts 76 and 77 includes fixing nuts 76a and 77a for fixing the forward and backward positions.

In addition, the cover 74 is provided with a first position fixing bolt 78 that fixes the sliding position in the width direction of the swaging punch guide 72, and a first position fixing the sliding position of the chamfering punch guide 73 in the width direction. 2 position fixing bolts 79. The first and second position fixing bolts 78 and 79 press the upper surface of the swaging punch guide 72 and the chamfering punch guide 73 with the front end surface thereof, whereby the swaging punch guide 72 and the chamfering are used. The position of the punch guide 73 in the width direction is fixed.

In the caulking portion 60 configured as described above, the first ram 21 advances, and the guided surface 61b of the right and left squeezing punches 61 comes into contact with the guide surface 72a of the right and left squeezing punch guides 72, and the right and left staking is used. The punch 61 is advanced inward in the width direction, and the pair of leg portions E2 of the fastener element E fitted to the concave portion 61a of the right and left riveting punches 61 are swaged to attach the fastener element E to the fastener tape T (refer to Figure 25). In addition, in the state in which the first ram 21 is retracted, the retracting position of the caulking punch 61 is restricted by the caulking position regulating member 68, so that the caulking punch 61 does not come into contact with the caulking punch guide 72.

Further, the first ram 21 advances, and the guided surface 62b of the right and left chamfering punches 62 comes into contact with the guide surface 73a of the right and left chamfering punch guides 73, and the right and left chamfering punches 62 The inner side in the width direction is advanced, and the corner portion of the fastener element Eb attached to the fastener tape T of the fastener element Ea currently attached to the fastener tape T is chamfered by the chamfered portion 62a of the chamfering punch 62 (refer to Figure 26). Further, in a state where the first ram 21 is retracted, since the retracted position of the chamfering punch 62 is restricted by the chamfering position regulating projection 62d, the chamfering punch 62 is not guided by the chamfering punch. Piece 73 is in contact.

Next, an operation of the fastener stringer manufacturing apparatus 10 will be described with reference to Figs. 20 to 26 .

First, FIG. 20 shows a state in which the fastener element E is attached to the fastener tape T in a state where the first ram 21 is advanced. At this time, the wire supply portion 100 supplies the wire W to the insertion hole 22a of the cutting die 22 by the thickness of the fastener element E, and the wire W protrudes on the cutting die 22 by the thickness of the fastener element E.

Then, as shown in Fig. 21, the wire W sandwiched between the insertion hole 22a of the cutting die 22 and the cutting recess 23a of the cutting punch 23 is cut into a fastener chain of a predetermined thickness by the first ram 21 retreating. Teeth E. Then, the first ram 21 is further retracted, the engaging head portion E1 of the fastener element E is fitted into the forming concave portion 43a of the forming die 43, and the pair of leg portions E2 of the fastener element E and the left and right of the rivet portion 60 are respectively The concave portion 61a of the punching punch 61 is fitted. As a result, the fastener element E is fitted into the molding recessed portion 43a of the molding die 43 and the recessed portion 61a of the right and left caulking punches 61, and is held. Further, at this time, the fastener tape T of the thickness of the two fastener elements E is conveyed upward by the tape supply part 110.

Next, as shown in FIGS. 22 and 23, the second ram 41 is moved downward, and the element pressing pad 44 presses the pair of leg portions E2 of the fastener element E downward, and the forming punch 42 is attached to the zipper chain. The engaging head portion E1 of the tooth E is engraved so that the engaging convex portion E3 and the engaging concave portion E4 are formed at the engaging head portion E1 of the fastener element E. Further, the engaging convex portion E3 is formed by the forming concave portion 43a of the forming die 43, and the engaging concave portion E4 is formed by forming the front end portion of the punch 42. Further, the second ram 41 moves up quickly after the engagement head portion E1 is formed.

Next, as shown in FIG. 24 and FIG. 25, the first ram 21 advances, and the fastener element E moves to one edge of the fastener tape T, and one edge of the fastener tape T is inserted into the pair of legs E2. The pair of leg portions E2 are respectively riveted to the side of the fastener tape T by the right and left caulking punches 61 which are advanced in the width direction inner side of the caulking portion 60, thereby attaching the fastener element E to the side of the fastener tape T Edge.

In addition, as shown in FIG. 26, the right and left chamfering punches 62 advance toward the inner side in the width direction together with the right and left riveting punches 61. Therefore, the chamfered portion 62a of the chamfering punch 62 is paired. The zipper element Ea currently attached to the zipper tape T is chamfered at the corner of the zipper element Eb of the zipper tape T. Thereafter, the above operation is repeated, whereby the fastener element E is continuously attached to one side edge portion of the fastener tape T.

As described above, according to the fastener stringer manufacturing apparatus 10 of the present embodiment, the caulking unit 60A includes the caulking punch 61 that caulks the leg portion E2 of the fastener element E, and the punch housing 65 is provided. The first ram 21 is slidably guided so that the squeezing punch 61 advances and retreats; the compression spring 61c constantly biases the staking punch 61 toward the retreating side; and the staking position limit The member 68 restricts the retracted position of the swaging punch 61, and the drive unit 70 includes a swaging punch guide 72 that comes into contact with the caulking punch 61 when the first hammer 21 advances. When the first ram 21 is retracted, the retracted position of the caulking punch 61 is restricted by the caulking position regulating member 68, and the caulking punch 61 does not contact the caulking punch guide 72. Since the contact is made, the punch housing 65 can be easily attached and detached to the first ram 21, whereby the squeezing punch 61 can be easily replaced.

Further, according to the fastener stringer manufacturing apparatus 10 of the present embodiment, the caulking unit 60A includes a chamfering punch 62 that is slidably guided by the punch housing 65 so as to be advanced and retracted, and the zipper chain is detached. a chamfer of the tooth E; a compression spring 62c that constantly urges the chamfering punch 62 toward the retreating side; and a chamfering position regulating tab 62d that limits the retracted position of the chamfering punch 62, and the driving unit 70 is provided The chamfering punch guide 73 that comes into contact with the chamfering punch 62 when the first ram 21 advances, drives the chamfering punch 62, and the first ram When the retraction 21 is retracted, the retracted position of the chamfering punch 62 is restricted by the chamfering position regulating projection 62d, and the chamfering punch 62 does not come into contact with the chamfering punch guide 73, so that the punching can be easily performed. The attachment and detachment of the head case 65 with respect to the first ram 21 can easily replace the chamfering punch 62.

Further, according to the fastener stringer manufacturing apparatus 10 of the present embodiment, the drive unit 70 includes the compression spring 72b that constantly urges the caulking punch guide 72 toward the retreating side, and the sliding of the caulking punch guide 72. Since the first position adjustment bolt 76 whose position is adjusted is adjusted, the sliding position of the swaging punch guide 72 can be easily adjusted.

Further, according to the fastener stringer manufacturing apparatus 10 of the present embodiment, the drive unit 70 includes a compression spring 73b that constantly urges the chamfering punch guide 73 toward the retreating side, and a chamfering punch guide 73. Since the second position adjusting bolt 77 whose sliding position is adjusted is adjusted, the sliding position of the chamfering punch guide 73 can be easily adjusted.

Further, according to the fastener stringer manufacturing apparatus 10 of the present embodiment, the drive unit 70 includes the first position fixing bolt 78 that fixes the sliding position of the swaging punch guide 72, so that the punching punch guide can be easily used. The position of 72 is fixed.

Further, according to the fastener stringer manufacturing apparatus 10 of the present embodiment, the drive unit 70 includes the second position fixing bolt 79 that fixes the sliding position of the chamfering punch guide 73, so that the chamfering punch can be easily used. The position of the guide 73 is fixed.

Further, in the conventional apparatus, when replacing the punching punch and the chamfering punch, it is necessary to remove the spring receiving pin from the used punching punch and the chamfering punch, and to receive the spring receiving pin. Re-enter the new riveting punch and chamfering punch. However, in the present embodiment, the first spring receiving pin 67a and the second spring receiving pin 67b are attached to the upper casing 67 of the punch housing 65, and the first spring receiving pin 67a receives the pair of caulking punch 61. The inner end portion of the biasing compression spring 61c, the second spring receiving pin 67b receives the inner end portion of the compression spring 62c that urges the chamfering punch 62, so that it is not necessary to re-enter the first and the second when replacing the punch 2 The spring receives the pins 67a, 67b. Therefore, since the labor required for replacing the punch is reduced, the replacement of the punching punch 61 and the chamfering punch 62 can be performed more easily, and the stop time of the apparatus can be shortened, and the production efficiency of the apparatus can be improved.

The present invention is not limited to the embodiments described in the above embodiments, and modifications may be appropriately made without departing from the scope of the invention. For example, in the above-described embodiment, the swaging position regulating member that restricts the retracted position of the swaging punch is attached to the punch housing, and the chamfering punch is formed with a chamfer that restricts the retracted position of the chamfering punch. The position regulating projection is not limited thereto, and a caulking position regulating tab for restricting the retracted position of the caulking punch may be formed on the caulking punch, and a retracting position for restricting the chamfering punch may be attached to the punch housing. The chamfer position limits the part. Further, both the caulking position regulating member for restricting the retracted position of the caulking punch and the chamfering position regulating member for restricting the retracted position of the chamfering punch may be attached to the punch housing. Further, a caulking position regulating tab for restricting the retracted position of the caulking punch may be formed in the punching punch, and a chamfering position regulating tab for restricting the retracted position of the chamfering punch may be formed on the chamfering punch.

Further, instead of the drive unit 70 of the above-described embodiment, the drive unit 70B shown in FIGS. 27 and 28 may be used. The drive unit 70B is different from the drive unit 70 in the method of fixing the swaging punch guide 72 and the chamfering punch guide 73, and the other configuration is the same as that of the drive unit 70.

As shown in FIG. 27 and FIG. 28, the drive unit 70B is provided with a first position fixing bolt 78B that fixes the sliding position of the swaging punch guide 72 in the width direction on the side wall 71b on the front side of the guide housing 71. And a second position fixing bolt 79B that fixes the sliding position of the chamfering punch guide 73 in the width direction. The first and second position fixing bolts 78B and 79B pull the swaging punch guide 72 and the chamfering punch guide 73 to the front side wall 71b, thereby using the punching punch guide 72 and chamfering. The position of the punch guide 73 in the width direction is fixed.

Further, in the drive unit 70B, screw holes 72c and 73c for screwing the first and second position fixing bolts 78B and 79B are formed in the swaging punch guide 72 and the chamfering punch guide 73, respectively.

Further, a bolt insertion hole 73d through which the first fixing bolt 78B is inserted is formed in the chamfering punch guide 73. Further, a bolt insertion hole 71c through which the first fixing bolt 78B is inserted is formed in the side wall 71b on the front side of the guide housing 71. Further, the two bolt insertion holes 73d, 71c are formed to have a larger diameter than the screw of the first fixing bolt 78B. Therefore, the riveting punch guide 72 can slide in the width direction.

Further, a bolt insertion hole 71d through which the second position fixing bolt 79B is inserted is formed in the side wall 71b on the front side of the guide housing 71. Further, the bolt insertion hole 71d is formed to have a larger diameter than the screw of the second position fixing bolt 79B. Therefore, the chamfering punch guide 73 can slide in the width direction.

In the drive unit 70B configured as described above, the first guide bolt 78B is fastened, and the swaging punch guide 72 is moved to the front side, and is in contact with the chamfering punch guide 73, and the swaging punch guide 72 and The chamfer is moved forward together with the punch guide 73. Further, the chamfering punch guide 73 is in contact with the front side wall 71b, whereby the position of the swaging punch guide 72 and the chamfering punch guide 73 is fixed. Then, the position of the swaging punch guide 72 and the chamfering punch guide 73 is further fixed by tightening the second position fixing bolt 79B.

10‧‧‧Zipper chain belt manufacturing device

20‧‧‧cutting department

21‧‧‧1st ram

22‧‧‧Cutting die

22a‧‧‧ wearing a jack

23‧‧‧Cutting punch

23a‧‧‧Cutting recess

24‧‧‧hammer guide

25‧‧‧ Die Holder

26‧‧‧Clamping parts

27‧‧‧Baffle

27a‧‧‧through slot

28‧‧‧The main body of the die

28a‧‧‧Cutting trough

30‧‧‧1st ram drive mechanism

31‧‧‧ base

31a‧‧‧ spindle

32‧‧‧ pole

32A‧‧‧1st end

32B‧‧‧2nd end

32C‧‧‧3rd end

33‧‧‧1st driven roller

33a‧‧‧ spindle

34‧‧‧2nd driven roller

34a‧‧‧ spindle

35‧‧‧ Connecting rod

35a‧‧‧ Rod side connecting shaft

35b‧‧‧hammer side connecting shaft

40‧‧‧ Head forming department

41‧‧‧2nd ram

41a‧‧‧punch holder

41b‧‧‧mat cage

42‧‧‧ Forming punch

43‧‧‧Forming die

43a‧‧‧ recess

44‧‧‧Chain pressing pad

45‧‧‧hammer guide

50‧‧‧2nd ram drive mechanism

51‧‧‧ base

51a‧‧‧ spindle

52‧‧‧ pole

52A‧‧‧1st end

52B‧‧‧2nd end

52C‧‧‧3rd end

53‧‧‧1st driven roller

53a‧‧‧ spindle

54‧‧‧2nd driven roller

54a‧‧‧ shaft

55‧‧‧ Connecting rod

55a‧‧‧ Rod side connecting shaft

55b‧‧‧hammer side connecting shaft

55c‧‧‧ Guide hole

56‧‧‧pad pressing mechanism

56a‧‧‧Pushing pin

56b‧‧‧Compression spring

56c‧‧‧Spring Acceptance Department

60‧‧‧Riveting

60A‧‧‧Riveting unit

61‧‧‧Rilling punch

61a‧‧‧ recess

61b‧‧‧guided face

61c‧‧‧Compression spring (riveting force applying mechanism)

61d‧‧‧ snap groove

62‧‧‧Chamfering punch

62a‧‧‧Chamfering

62b‧‧‧guided face

62c‧‧‧Compression spring (chamfering force applying mechanism)

62d‧‧‧Chamfering position limiting tab (chamfering position restriction)

65‧‧‧punch housing

65a‧‧‧1st punch path

65b‧‧‧2nd punch path

66‧‧‧ Lower housing

67‧‧‧Upper casing

67a‧‧‧1st spring bearing pin

67b‧‧‧2nd spring bearing pin

68‧‧‧Riveting position limiting parts (riveting position limiting part)

70‧‧‧ drive unit

70B‧‧‧ drive unit

71‧‧‧Guide housing

71a‧‧‧ bottom

71b‧‧‧ Sidewall

71c‧‧‧Bolt piercing

71d‧‧‧Bolt piercing

72‧‧‧Rushing punch guides

72a‧‧‧Guide

72b‧‧‧Compression spring (first guiding force applying mechanism)

72c‧‧ Threaded hole

73‧‧‧Chamfering guide for chamfering

73a‧‧‧Guide

73b‧‧‧Compression spring (2nd guiding urging mechanism)

73c‧‧‧Threaded holes

73d‧‧‧Bolt piercing

74‧‧‧ Cover

75‧‧‧ outer wall

76‧‧‧1st position adjustment bolt (1st position adjustment part)

76a‧‧‧ fixing nut

77‧‧‧2nd position adjustment bolt (2nd position adjustment part)

77a‧‧‧ fixing nut

78‧‧‧1st position fixing bolt (1st position fixing part)

78B‧‧‧1st position fixing bolt (1st position fixing part)

79‧‧‧Second position fixing bolt (2nd position fixing member)

79B‧‧‧2nd position fixing bolt (2nd position fixing part)

80‧‧‧ drive shaft

81‧‧‧Back cam

82‧‧‧Advance cam

83‧‧‧Lower moving cam

84‧‧‧Upper moving cam

85‧‧‧Wire supply cam

86‧‧‧With supply cam

100‧‧‧Wire Supply Department

101‧‧‧feed rolls

102‧‧‧ Guide roller

103‧‧‧ driven roller

104‧‧‧ Slider

105‧‧‧ pawl

106‧‧‧ratchet

107‧‧‧Drive shaft

108‧‧‧Compressed spring

110‧‧‧With the supply department

111‧‧‧feed rolls

112‧‧‧Guide Roller

113‧‧‧With guides

114‧‧‧Driver wheel

115‧‧‧ rocker arm

116‧‧‧Roller

117‧‧‧ pole

118‧‧‧Drive shaft

119‧‧‧ stretching spring

FS‧‧ zipper chain

T‧‧‧ zipper belt

E‧‧‧Zipper chain

E1‧‧‧ meshing head

E2‧‧‧ legs

E3‧‧‧Meshing convex

E4‧‧‧ meshing recess

Ea, Eb‧‧ zipper elements

W‧‧‧Wire

U, D, L, R, Fr, Rr‧‧ direction

A-A, B-B, C-C, D-D, E-E, F-F‧‧‧

Fig. 1 is a schematic perspective view showing an embodiment of a fastener stringer manufacturing apparatus according to the present invention. Fig. 2 is a central longitudinal sectional side view showing the fastener stringer manufacturing apparatus shown in Fig. 1; Fig. 3 is a perspective view of the cutting portion and the caulking portion shown in Fig. 1; Fig. 4 is a front elevational view showing the cutting portion and the caulking portion shown in Fig. 3; Fig. 5 is a plan view of the cutting portion and the caulking portion shown in Fig. 3; Fig. 6 is a cross-sectional view taken along line A-A of Fig. 4; Fig. 7 is an enlarged cross-sectional view showing the periphery of a cutting die of Fig. 6. Fig. 8 is an enlarged plan view showing the periphery of the caulking portion of Fig. 5; Fig. 9 is an enlarged plan view showing the periphery of the cutting die of Fig. 8. Fig. 10 is a perspective view of the head forming portion shown in Fig. 1; Fig. 11 is a front elevational view of the head forming portion shown in Fig. 10. Fig. 12 is a bottom view of the head forming portion shown in Fig. 10; Fig. 13 is a cross-sectional view taken along line B-B of Fig. 11; Fig. 14 is an enlarged plan view showing the periphery of the caulking portion on the right side of Fig. 5; Fig. 15 is an enlarged front elevational view showing the periphery of the caulking portion on the right side of Fig. 14; Figure 16 is a cross-sectional view taken along line C-C of Figure 15; Fig. 17 is a sectional view taken along line D-D of Fig. 15; Fig. 18 is a sectional view taken along line E-E of Fig. 14; Fig. 19 is a sectional view taken along line F-F of Fig. 14; Fig. 20 is a schematic side view showing a state in which the first die is advanced. Fig. 21 is a schematic side view showing a state in which the first die is retracted and the wire is cut. Fig. 22 is a schematic side view showing a state in which the second die is moved downward to form an engaging head of the fastener element. Fig. 23 is a schematic plan view showing the state shown in Fig. 22; Fig. 24 is a schematic side view showing a state in which the first die advances and the fastener element is attached to the fastener tape. Fig. 25 is a schematic plan view showing the state shown in Fig. 24; Fig. 26 is a schematic front view showing a state in which a fastener element is chamfered by a punch for right and left chamfering. Fig. 27 is an enlarged plan view for explaining a modification of the drive unit shown in Fig. 14; Fig. 28 is a transverse cross-sectional view showing a modification of the drive unit shown in Fig. 27; Fig. 29A is a side view illustrating an example of a fastener stringer. Figure 29B is a plan view of the fastener element of Figure 29A.

Claims (10)

A fastener chain manufacturing device for manufacturing a fastener stringer (FS) by continuously attaching a fastener element (E) along one edge of a fastener tape (T), the fastener chain manufacturing device (10) The present invention includes a cutting unit (20) that cuts a wire (W) which is a material of the fastener element (E) that is intermittently supplied, and a head forming portion (40) that is in the The fastener element (E) cut by the cutting portion (20) is formed with an engaging head portion (E1); and a caulking portion (60) which is formed by the head forming portion (40). The fastener element (E) of the engaging head portion (E1) is attached to the fastener tape (T) by caulking, and the cutting portion (20) includes a first collision that is reciprocally movable in the front-rear direction. The hammer (21), the caulking portion (60) includes: a pair of caulking units (60A) provided on the first ram (21), and a pair of legs of the fastener element (E) E2) performing riveting; and a pair of driving units (70, 70B) driving the pair of riveting units (60A), the riveting unit (60A) A riveting punch (61) for riveting a leg portion (E2) of the fastener element (E); a punch housing (65) provided on the first ram (21), The riveting punch (61) is slidably guided so as to advance and retreat; the riveting urging mechanism (61c) constantly biases the swaging punch (61) toward the retreating side; And a caulking position restricting portion (68) for restricting a retreat position of the caulking punch (61), wherein the driving unit (70, 70B) includes a swaging punch guide (72) for guiding the riveting punch The member (72) is in contact with the caulking punch (61) when the first ram (21) advances, and drives the caulking punch (61), and the first ram (21) When the vehicle is retracted, the retracted position of the caulking punch (61) is restricted by the caulking position regulating portion (68), and the caulking punch (61) does not engage with the riveting punch guide ( 72) Contact. The fastener stringer manufacturing apparatus according to claim 1, wherein the drive unit (70, 70B) includes: the punching punch guide (72); and a guide housing (71). The rivet punch guide (72) is slidably guided so as to advance and retreat; the first guide urging mechanism (72b) always faces the rivet punch guide (72) The first side position adjusting member (76) adjusts the sliding position of the swaging punch guide (72). The fastener stringer manufacturing apparatus according to the second aspect of the invention, wherein the drive unit (70, 70B) is provided with a first position fixing for fixing a sliding position of the swaging punch guide (72). Parts (78, 78B). The fastener stringer manufacturing apparatus according to claim 3, wherein the caulking unit (60A) includes: a chamfering punch (62) that advances through the punch housing (65) The retracted manner is slidably guided, and the chamfering of the fastener element (E) is performed; the chamfering urging mechanism (62c) always applies the chamfering punch (62) to the retreating side And a chamfering position regulating portion (62d) that limits a retreat position of the chamfering punch (62), wherein the driving unit (70, 70B) includes a chamfering punch guide (73), The chamfering punch guide (73) comes into contact with the chamfering punch (62) when the first ram (21) advances, and drives the chamfering punch (62). When the first ram (21) is retracted, the retracted position of the chamfering punch (62) is restricted by the chamfering position regulating portion (62d), and the chamfering punch (62) is not The chamfer will be in contact with the punch guide (73). The fastener stringer manufacturing apparatus according to claim 4, wherein the driving unit (70, 70B) includes: the chamfering punch guide (73) passing through the guiding housing (71) being slidably guided in a forward and backward manner; the second guiding urging means (73b) constantly biasing the chamfering punch guide (73) toward the retreating side; and the second position An adjustment member (77) that adjusts a sliding position of the chamfering punch guide (73). The fastener stringer manufacturing apparatus according to claim 5, wherein the drive unit (70, 70B) includes a second position that fixes a sliding position of the chamfering punch guide (73). Fixed parts (79, 79B). The fastener stringer manufacturing apparatus according to any one of the preceding claims, wherein the caulking position restricting portion (68) of the caulking punch (61) is provided in the On the punch housing (65). The fastener stringer manufacturing apparatus according to any one of the preceding claims, wherein the caulking position restricting portion (68) of the caulking punch (61) is provided in the The riveting punch (61) is used. The zipper fastener tape manufacturing apparatus according to any one of the fourth to sixth aspect, wherein the chamfering position regulating portion (62d) of the chamfering punch (62) is provided at The punch housing (65). The zipper fastener tape manufacturing apparatus according to any one of the fourth to sixth aspect, wherein the chamfering position regulating portion (62d) of the chamfering punch (62) is provided at The chamfer is on the punch (62).