TWI618500B - Zipper assembly device - Google Patents

Abstract

The present invention provides a zipper assembly apparatus capable of checking whether a slider has been properly mounted to a zipper. The zipper assembly device includes: a plurality of clamping devices (20) for gripping a zipper chain (C2) of a predetermined length; a slider mounting portion (15), a slider (SL) mounted on the zipper chain; and an inspection portion (30) ), checking whether the slider has been normally mounted to the zipper chain, the tong device includes a pair of tongs (20A) of a pair of zipper tapes (T) that grip the zipper chain, and the inspection portion includes: a slider sensing member (43) , can be arranged to move in the up and down direction, sensing the slider; the slider sensor (44), detecting whether the amount of movement of the slider sensing member has reached a prescribed amount of movement; and a pair of jaw moving parts (32) The jaws (23) of the pair of jaw portions move in a direction away from each other.

Description

Zipper assembly device

The present invention relates to a zipper assembly device that sequentially processes a continuous fastener chain to be finally processed into a slide fastener.

As a conventional zipper assembly device, there are known a gantry, a gantry, a table, which is provided on a gantry, a fixed table, which is disposed above the rotary table, and six grippers. The device is mounted on a rotary table; the cutting device cuts the continuous zipper chain into a zipper chain of a predetermined length; a slider mounting device, a slider is mounted on the cut zipper chain; and the upper stop is mounted In the device, a top stopper is attached to a fastener chain to which a slider is attached (for example, refer to Patent Document 1). Prior art literature

[Patent Document 1] Japanese Patent Laid-Open Publication No. 2005-102715

[Problems to be Solved by the Invention] However, in the zipper assembly device described in Patent Document 1, the contents of whether or not the slider has been normally attached to the zipper are not described.

The present invention has been made in view of the foregoing problems, and an object thereof is to provide a zipper assembly apparatus capable of checking whether a slider has been normally attached to a slide fastener. [Means for solving the problem]

The object of the present invention is achieved by the following configuration. (1) A zipper assembly apparatus comprising: a rotary shaft extending in an up-and-down direction; a rotary table mounted on the rotary shaft, each rotating by a predetermined angle; a fixed table disposed above the rotary table; and a plurality of clamp devices The zipper chain is arranged on the rotary table to hold the specified length; the slider mounting portion is arranged on the fixed table, and the slider is mounted on the zipper chain; and the inspection portion is arranged on the fixed table to check whether the slider has been normally installed to a zipper chain, the tong device includes a pair of tongs, the pair of tongs grip a pair of zipper tapes of the zipper chain, and the inspection portion includes: a slider sensing member that is movable in an up and down direction, sensing a slider; a sensor that detects whether the amount of movement of the slider sensing member has reached a prescribed amount of movement; and a pair of jaw moving members that move the jaws of the pair of jaw portions away from each other. (2) The zipper assembly device according to (1), wherein the pair of jaw moving members are a pair of cams. (3) The zipper assembly device according to (2), wherein the caliper portion includes a cam follower, and the cam follower contacts the cam to move the caliper. (4) The zipper assembly device according to any one of (1) to (3), further comprising: an upper stopper mounting portion, a top stopper is attached to the fastener chain, and the inspection portion further includes an upper stopper The sensor, the upper stop sensor detects whether or not the upper end portion attached to the fastener chain is located at a predetermined position. (5) The zipper assembly device according to (4), wherein the inspection portion includes: a lateral frame that is movable in the up and down direction and extends in the left-right direction; and a pair of clamp moving members are mounted on the lateral frame Both ends of the left and right directions; and the inspection unit are mounted at the center in the left-right direction of the lateral frame, and the inspection unit includes a slider sensing member, a slider sensor, and a top stop sensor. (6) The zipper assembly device according to (5), wherein the inspection unit includes a cylinder device that drives the slider sensing member in the up and down direction, and the slider device is provided on the cylinder device The slider sensor detects whether the amount of movement of the slider sensing member has reached a prescribed amount of movement by detecting the amount of stroke of the rod of the cylinder device. [Effects of the Invention]

According to the invention, there is provided an inspection unit that checks whether the slider has been normally attached to the fastener chain, and the clamp device includes a pair of jaw portions that grip the pair of fastener tapes of the fastener chain, and the inspection portion has a slider feeling The measuring member is arranged to be movable in the up and down direction to sense the slider; the slider sensor detects whether the movement amount of the slider sensing member has reached a prescribed movement amount; and a pair of clamp moving parts to make a pair of jaw portions The clamps move in a direction away from each other, so it is possible to check whether the slider has been properly mounted to the zipper.

Hereinafter, an embodiment of the zipper assembly device of the present invention will be described in detail based on the drawings. In the following description, the upper side means the front side with respect to the paper surface of FIG. 1, the lower side means the back side with respect to the paper surface of FIG. 1, and the front side means the radial direction of the rotary table of FIG. The outer side, the rear side, refers to the radially inner side of the turntable of FIG. 1, and the right side refers to the circumferential right side of the turntable of FIG. 1, and the left side refers to the circumferential left side of the turntable of FIG. In addition, the left-right direction is also called a width direction.

As shown in FIG. 1, the zipper assembly device 10 of the present embodiment includes a rotating shaft 11 extending in the vertical direction, a rotating table 12 attached to the rotating shaft 11, and a non-rotating fixed table 13 disposed above the rotating table 12; The plurality of clamp devices 20 are attached to the rotary table 12 to grip the fastener chain C2 of a predetermined length, and the cutting portion 14 cuts the continuous fastener chain C1 into a fastener chain C2 of a predetermined length; the slider mounting portion 15 is in the zipper. The slider C2 is attached with a slider SL; the upper stopper mounting portion 16 is attached with a top stopper P1 to the fastener chain C2; and the inspection portion 30 is for inspecting the fastener SF finally processed by the attachment of the upper stopper P1; 17. The zipper SF of the good product is discharged to the good product collection unit; and the defective product discharge unit 18 discharges the zipper SF of the defective product to the defective product collection unit.

The rotary table 12 is rotated by a predetermined angle each time by rotating the shaft 11. The plurality of clamp devices 20 are arranged on the turntable 12 at predetermined intervals in the circumferential direction in accordance with the rotation angle of the turntable 12. Specifically, when the rotary table 12 is rotated by 60 degrees each time, six clamp devices 20 are disposed on the rotary table 12. The turntable 12 of the illustrated example has a hexagonal shape in plan view, and a clamp device 20 is disposed on each side of the turntable 12 . Further, the turntable 12 is not limited to a hexagon in a plan view. The rotary table 12 can also have a polygonal shape as viewed in a pentagon or an octagon. Moreover, the rotary table 12 can also be circular in plan view. The cutting unit 14 , the slider attachment portion 15 , the upper stopper attachment portion 16 , the inspection portion 30 , the good product discharge portion 17 , and the defective product discharge portion 18 are disposed on the fixed table 13 at predetermined intervals in the circumferential direction. Further, the good product discharge portion and the defective product discharge portion may be a single discharge portion. At this time, the single discharge unit sorts the good and defective products of the zipper SF.

Here, the slide fastener SF attached to the slide fastener assembly device 10 of the present embodiment will be described. As shown in FIG. 3, the zipper SF includes a pair of right and left fastener tapes T (fastener tapes); and a pair of left and right element rows EL, which are respectively disposed on opposite side edges of the left and right fastener tapes T; The slider SL is configured to engage and disengage the left and right element rows EL; the pair of right and left upper stoppers P1 are disposed adjacent to the upper end side of the left and right element rows EL; and the lower end portion P2 is adjacent to the left and right element rows The lower end side of the EL is arranged. In addition, the lower stop portion P2 may also be an opening member including a seat bar, a seat body, and a plunger.

Further, as shown in FIG. 10, the continuous fastener chain C1 is formed by joining a plurality of fastener chains C2. The fastener chain C2 includes the pair of left and right fastener tapes T, the pair of left and right element rows EL, and the lower stopper P2. Further, between the adjacent fastener chains C2, a space S having a predetermined length in which the element rows EL are not attached is provided, and the portion of the gap S is cut by the cutting portion 14. Further, the continuous fastener chain C1 is supplied to the zipper assembly device 10 by setting the lower stop portion P2 to the downstream side. In addition, the upstream side or the downstream side means the conveyance direction of the continuous fastener chain C1 as a reference.

The clamp device 20 includes a pair of right and left clamp portions 20A that grip the left and right fastener tapes T of the fastener chain C2. Further, the gripper device 20 grips the fastener chain C2 at the position of the cutting portion 14, and releases the grip of the fastener chain C2 at the position of the good product discharge portion 17 or the defective product discharge portion 18. In addition, in FIGS. 3 to 5, only the right side clamp portion 20A and the right side clamp slide cam 32 are shown, but the left side clamp portion 20A and the left side clamp slide cam 32 have the same configuration.

As shown in FIGS. 3 and 4, the left and right clamp portions 20A each include a holder 21 that is fixed to the rotary table 12, and a case 22 that is slidably attached to the bracket 21 in the left-right direction. And the clamp 23 is disposed in the casing 22 and grips the zipper tape T.

A cam insertion groove 22a for inserting a clamp sliding cam 32, which will be described later, is formed in the back surface of the casing 22, and a roller-shaped groove for sliding the casing 22 in the left-right direction is attached to the cam insertion groove 22a. Cam follower 24. The cam follower 24 is rotatably mounted to a support shaft 22b provided in the cam insertion groove 22a.

Further, a spring support portion 21a extending toward the front side is formed at the outer end portion in the width direction of the bracket 21, and a spiral for biasing the casing 22 toward the inner side in the width direction is provided between the spring support portion 21a and the casing 22. Spring 25.

In the clamp device 20 configured as described above, the cam follower 24 is pushed by the clamp slide cam 32 of the inspection unit 30 to be described later, whereby the casing 22 slides outward in the width direction (see FIG. 5). Therefore, the casing 22 slides outward in the width direction, and the clamp 23 also slides outward in the width direction in the same manner. Therefore, the left and right clamps 23 slide outward in the width direction, so that the gap between the left and right fastener tapes T of the grasped fastener chain C2 is expanded. Thereby, the slider sensing member 43 which will be described later can be inserted between the left and right element rows EL.

As shown in FIGS. 2, 3, and 6, the inspection unit 30 includes a horizontal frame 31 that is driven in the vertical direction by a driving device (not shown) and extends in the left-right direction; a pair of left and right clamp sliding cams (clamp movement) The member 32 is attached to both end portions of the lateral frame 31 in the left-right direction, and the inspection unit 40 is attached to the center of the horizontal frame 31 in the left-right direction. Therefore, the left and right clamp sliding cams 32 move downward by the lateral frame 31 to approach the clamp portion 20A, and move upward by the lateral frame 31 away from the clamp portion 20A. Moreover, the inspection unit 40 moves downward by the lateral frame 31 to approach the zipper SF, and moves upward by the lateral frame 31 away from the zipper SF.

The caliper sliding cam 32 moves the tongs 23 of the left and right nip portions 20A away from each other, and has a cam surface 32a that contacts the cam follower 24 of the caliper portion 20A as the cam moves downward. . The cam surface 32a is formed at a lower side portion of the clamp sliding cam 32. The cam surface 32a is inclined such that the width dimension of the caliper slide cam 32 gradually increases from the lower end of the caliper slide cam 32 upward.

As shown in FIG. 3, the inspection unit 40 includes a slider inspection device 41 that checks whether the slider SL has been normally attached to the fastener chain C2, and a pair of upper stopper sensors 50 that are attached to the left and right of the fastener chain C2. Whether or not the stopper P1 is located at a predetermined position.

The slider inspection device 41 includes a cylinder device 42 that is fixed to the lateral frame 31, and a slider sensing member 43 that is attached to the distal end portion of the rod 42a of the cylinder device 42 and that senses the slider SL by the contact slider SL; The slider sensor 44 is attached to the cylinder device 42 and detects whether or not the amount of movement of the slider sensing member 43 has reached a predetermined amount of movement.

The slider sensing member 43 is provided to be movable in the up and down direction by the cylinder device 42. Also, the slider sensing member 43 contacts the slider SL by moving downward by the cylinder device 42. Further, the moving force of the cylinder device 42 to the slider sensing member 43 is set to a force that cannot move the slider SL in a state in which both of the right and left element rows EL are passed downward. Further, a force that can be moved downward by the slider SL in a state in which only one of the right and left element rows EL passes.

The slider sensor 44 detects whether the amount of movement of the slider sensing member 43 has reached a prescribed amount of movement by detecting the stroke amount of the rod 42a of the cylinder device 42.

The pair of upper end portion sensors 50 are attached to a support plate 51 that is fixed to the front surface of the cylinder device 42 of the slider inspection device 41. When the horizontal frame 31 of the inspection unit 30 moves downward, the pair of upper end sensor sensors 50 detect whether or not the left and right upper stoppers P1 of the slide fastener SF gripped by the left and right clamps 23 are located at predetermined positions (refer to FIG. 6). And Figure 7).

Next, the operation of the clamp device 20 and the inspection unit 30 of the present embodiment will be described. First, as shown in FIG. 3, the slide fastener SF is conveyed to a predetermined position by the rotation of the turntable 12. Then, as shown in FIGS. 5 and 6, the lateral frame 31 of the inspection portion 30 is moved downward, whereby the caliper slide cam 32 contacts the cam follower 24 of the caliper portion 20A, and the clamp 23 is oriented in the width direction. Sliding on the outside. Thereby, the gap between the left and right fastener tapes T is expanded. At this time, the coil spring 25 is pushed by the casing 22 to be contracted. Further, at this time, the pair of upper end portion sensors 50 detect whether or not the left and right upper end portions P1 of the slide fastener SF are located at predetermined positions. In the present embodiment, when the left and right upper end portions P1 are located at predetermined positions, it is determined that the slide fastener SF is a good product, and when the left and right upper end portions P1 are not located at a predetermined position, it is determined that the slide fastener SF is not Good product.

Then, as shown in FIG. 7, the slider sensing member 43 of the slider inspection device 41 is moved downward, whereby the front end of the slider sensing member 43 comes into contact with the upper end of the slider SL. Then, the slider sensor 44 detects whether or not the amount of movement of the slider sensing member 43 at the time of the downward movement has reached a predetermined amount of movement. Further, in the present embodiment, when the slider SL is normally mounted, the slider sensing member 43 comes into contact with the slider SL and stops, so that the amount of movement of the slider sensing member 43 does not reach a predetermined amount of movement. Thereby, it is determined that the zipper SF is a good product.

Moreover, in the case where the slider SL is not normally mounted, for example, as shown in FIG. 8, when the slider SL is not provided, the slider sensing member 43 does not contact the slider SL, and thus the slider sensing member 43 The amount of movement reaches the specified amount of movement. Thereby, it is determined that the slide fastener SF is a defective product. Further, in the case where the slider SL is not normally mounted, in addition to the case where the slider SL is not provided, only one of the right and left element rows EL passes through the slider SL. At this time, the slider SL is moved downward along the element row EL passing through the side of the slider sensing member 43 that moves downward, so that the amount of movement of the slider sensing member 43 reaches a predetermined amount of movement, thereby It was judged to be a defective product.

Then, after the inspection of the slide fastener SF by the inspection unit 30 is completed, the lateral frame 31 of the inspection unit 30 moves upward, and the left and right clamp slide cams 32 and the inspection unit 40 return to the initial position. Further, at this time, the coil spring 25 is elongated while pushing the casing 22. Thereby, the left and right clamps 23 slide inward in the width direction by the urging force of the coil spring 25, and return to the initial position. In addition, when the inspection result is good, the slide fastener SF is discharged in the good product discharge unit 17, and when the inspection result is defective, it is discharged in the defective product discharge unit 18.

As described above, according to the zipper assembly device 10 of the present embodiment, the inspection unit 30 includes the slider sensing member 43 that is movably provided in the vertical direction to sense the slider SL, the slider sensor 44, and the slider. Whether the amount of movement of the sensing member 43 has reached a predetermined amount of movement; and the pair of jaw moving members 32 move the jaws 23 of the pair of jaw portions 20A away from each other, so it is possible to check whether the slider SL has been Normally mounted to the zipper SF.

Further, according to the zipper assembly device 10 of the present embodiment, the caliper portion 20A includes the roller-shaped cam follower 24, and the cam follower 24 comes into contact with the caliper slide cam 32 to move the caliper 23, so that the caliper can be made The sliding movement of 23 becomes smooth.

Further, according to the zipper assembly device 10 of the present embodiment, the inspection unit 30 further includes an upper end portion sensor 50 that detects whether or not the upper end portion P1 attached to the fastener chain C2 is located at a predetermined position, so that the zipper SF can be detected. Whether or not the upper end portion P1 is located at a predetermined position.

Next, as a modification of the present embodiment, as shown in FIG. 9, the slider sensing member 43 may be replaced with the slider sensing member 43B having the pair of detecting members 43Ba in accordance with the shape of the slider SL. The pair of detecting members 43Ba are disposed so as to avoid the protrusions SL1 formed at the front end portion of the slider SL.

The present invention is not limited to the embodiments described above, and may be appropriately modified without departing from the spirit and scope of the invention. For example, in the present embodiment, the slider sensing member is one, but the left and right sides may be divided into two, and the cylinder device is separately provided to the slider sensing members that are divided into two. Further, the clamp moving member may be a pair of cylinders respectively connected to the respective clamp portions. At this time, the clamp of the clamp portion is expanded and contracted by the cylinder rod of the cylinder to slide in the width direction.

10‧‧‧Zipper assembly device
11‧‧‧Rotary axis
12‧‧‧Rotating table
13‧‧‧ fixed table
14‧‧‧cutting department
15‧‧‧Sliding head installation
16‧‧‧Top stop installation
17‧‧‧Good Goods Discharge Department
18‧‧‧Don't Discharge Department
20‧‧‧Clamping device
20A‧‧‧Pliers
21‧‧‧ bracket
21a‧‧‧Spring support
22‧‧‧ housing
22a‧‧‧Cam insertion slot
22b‧‧‧ fulcrum
23‧‧‧Clamps
24‧‧‧Cam followers
25‧‧‧Helical spring
30‧‧‧Inspection Department
31‧‧‧ transverse frame
32‧‧‧Clamp sliding cam (clamp moving parts)
32a‧‧‧ cam surface
40‧‧‧Check unit
41‧‧‧Sliding head inspection device
42‧‧‧Cylinder unit
42a‧‧‧ pole
43, 43B‧‧‧ slider sensing components
43Ba‧‧‧Test pieces
44‧‧‧ slider sensor
50‧‧‧Upper stop sensor
51‧‧‧Support board
C1‧‧‧Continuous zipper chain
C2‧‧‧ zipper chain
SF‧‧ zipper
T‧‧‧ zipper belt
EL‧‧‧chain dentition
SL‧‧‧ 拉头
SL1‧‧‧ Protrusion
P1‧‧‧About
P2‧‧‧Stop
S‧‧‧ gap

Fig. 1 is a plan view illustrating an embodiment of a slide fastener assembly device of the present invention. Fig. 2 is a perspective view for explaining the inspection unit and the clamp device shown in Fig. 1; Fig. 3 is a front elevational view showing the inspection unit and the clamp device shown in Fig. 2; Fig. 4 is a partially cutaway plan view showing the clamp portion on the right side shown in Fig. 3; Fig. 5 is a front elevational view showing a state in which the left and right jaw portions expand a gap between the fastener tapes. Fig. 6 is a side view showing a state in which the upper stop sensor detects the upper end portion of the slide fastener. Fig. 7 is an enlarged front view showing a state in which the slider sensing member contacts the slider. Fig. 8 is an enlarged front view showing a state in which a slider has not been attached. Fig. 9 is an enlarged front view for explaining a modification of the slider sensing member. Fig. 10 is a plan view illustrating an example of a continuous fastener chain.

Claims (6)

A zipper assembly device (10), comprising: a rotating shaft (11) extending in an up and down direction; a rotating table (12) mounted on the rotating shaft (11), each rotating by a predetermined angle; a fixed table (13) Arranging above the rotating table (12); a plurality of clamping devices (20), disposed on the rotating table (12), grasping a zipper chain (C2) of a predetermined length; and a slider mounting portion (15) Provided in the fixing table (13), a slider (SL) is mounted on the fastener chain (C2); and an inspection portion (30) is provided on the fixing table (13) to inspect the slider Whether (SL) has been normally mounted to the zipper chain (C2), the tong device (20) includes a pair of tongs (20A), and the pair of tongs (20A) grip the zipper a pair of zipper tapes (T) of the chain (C2), the inspection portion (30) comprising: a slider sensing member (43) movably disposed in an up and down direction to sense the slider (SL); The head sensor (44) detects whether the amount of movement of the slider sensing member (43) has reached a prescribed amount of movement And moving the pair of clamp members (32), the pair of clamp portions (20A) of the clamp (23) moves in the direction away from each other. A zipper assembly device (10) according to claim 1, wherein the pair of the jaw moving members (32) are a pair of cams (32). The zipper assembly device (10) according to claim 2, wherein the tong portion (20A) includes a roller-shaped cam follower (24), the cam follower (24) and the The cam (32) contacts to move the clamp (23). The zipper assembly device (10) according to any one of claims 1 to 3, further comprising: an upper stopper mounting portion (16) on which the upper chain is mounted on the fastener chain (C2) Part (P1), the inspection portion (30) further includes an upper stop sensor (50) that detects the upper stop portion (P1) attached to the fastener chain (C2) Is it in the specified position? The zipper assembly device (10) according to claim 4, wherein the inspection portion (30) includes: a lateral frame (31) that is movable in the up and down direction and extends in the left and right direction; a clamp moving member (32) attached to both end portions of the lateral frame (31) in the left-right direction; and an inspection unit (40) installed at a center in the left-right direction of the lateral frame (31), the inspection unit (40) comprising the slider sensing member (43), the slider sensor (44), and the upper stop sensor (50). The zipper assembly device (10) according to claim 5, wherein the inspection unit (40) includes a cylinder device (42) that drives the slider sensing member in an up and down direction. (43), the slider sensor (44) is provided on the cylinder device (42), and the slider sensor (44) detects the stroke amount of the rod (42a) of the cylinder device (42), It is detected whether the amount of movement of the slider sensing member (43) has reached a prescribed amount of movement.