A slider die base and a slider hanging tab assembly machine using the same

Abstract

The present invention discloses a slider die base, which belongs to the technical field of zipper preparation. It comprises a fixed seat, a fork trimming knife, a connecting block, a movable block and an elastic reset mechanism. The fixed seat is fixed to the inner side of the circumferential edge of the turntable. A mounting hole is provided in the middle front portion of the fixed seat. The movable block is inserted into the mounting hole. The front side walls of the left and right ends of the movable block are respectively connected to a fork trimming knife through the connecting block. There is a gap between the outer side wall of the slider lower wing plate and the front side wall of the fixed seat. An elastic reset mechanism is also provided between the movable block and the fixed seat. There is a movable space between the rear side of the movable block and the rear side wall of the mounting hole. When the slider is squeezed by the slider riveting device, the fork trimming knife and the movable block connected thereto move toward the rear side of the mounting hole and squeeze the elastic reset mechanism, so that the outer side wall of the slider lower wing plate abuts against the front side wall of the fixed seat. The slider die base can not only prevent the slider from being damaged during material feeding, but also prevent the slider from being deformed during riveting, thereby simplifying the structure of the riveting device.

Description

Technical Field

[0001] The present invention relates to the field of zipper manufacturing, and more particularly to a slider die base and a slider hanging tab assembly machine using the same. Background Art

[0002] Publication number: CN The Chinese invention patent 104905499A is a multifunctional assembly machine for automatically hanging pull tabs on elephant trunk heads proposed by the applicant, comprising a frame and a circular turntable arranged on the frame, a plurality of pull tab cores being arranged at intervals on the circumferential surface of the circular turntable, a pull tab conveying device, a pull tab conveying device and a riveting device being arranged on the circumferential side surface of the circular turntable, wherein the pull tab conveying device comprises a pull tab track, a pull tab cavity, a bayonet and a pull tab longitudinal pushing mechanism, the above-mentioned pull tab cavity being arranged directly below the pull tab track for carrying the pull tab, the bayonet being arranged directly above the pull tab core, a pull tab horizontal pushing mechanism for pushing the pull tab onto the bayonet being further arranged behind the pull tab cavity, and the above-mentioned pull tab longitudinal pushing mechanism being located directly above the bayonet; the above-mentioned pull tab conveying device comprises an inclined pull tab track, a pull tab receiving seat which can move forward and backward being provided at the end of the pull tab track discharge port, and a supporting mechanism which can move up and down to close or open the pull tab entrance of the elephant trunk head being further provided directly in front of the pull tab receiving seat.

[0003] The slider mold core includes a slider mold base, which defines a slider receiving slot with an open front end. Vertical positioning tabs attached to the inner sidewalls of the slider wing are provided on either side of the slider receiving slot. The slider mold core has a relatively complex structure. Furthermore, to prevent the rivet cutter from directly and vertically acting on the slider's upper wing, causing deformation, the riveting device of the invention includes a horizontal rivet cutter, a vertical plunger, and a power mechanism for driving the horizontal and vertical plungers. The distal end of the vertical plunger is divided into a left plunger and a right plunger, each adapted to the left and right tooth channels of the slider. The front and rear ends of the left and right plungers respectively adhere to the inner sidewalls of the slider's upper and lower wing panels within the slider mold core. This riveting device has a relatively complex structure. Furthermore, because the bottom of the slider mold core's receiving groove is narrowed to prevent the slider from falling, a lifting mechanism is required to eject the slider from the bottom after riveting. This removal method easily causes the slider to fall onto the turntable, necessitating the addition of a blow-off mechanism. To address this issue, we provide a slider mold base and a slider-mounted pull tab assembly machine that utilizes it. Summary of the Invention

[0004] The present invention provides a slider die base and a slider hanging pull tab assembly machine applied thereto, so as to solve the above-mentioned disadvantages of the existing slider die core.

[0005] The present invention adopts the following technical solutions:

[0006] The cam is fixed to the front of the rotary table, and the front end of the movable block is connected to the fork repair knife by a connecting block at the front end and the rear end of the movable block.

[0007] In a preferred embodiment, the elastic reset mechanism is a spring, and a central blind hole is provided on the inner side of the central rear portion of the fixed seat, wherein the front end of the central blind hole is vertically connected to the mounting through hole, and the spring is installed in the central blind hole, and the end of the spring exposed from the central blind hole is supported on the inner wall of the movable block.

[0008] In a preferred embodiment, the above-mentioned fixed seat is a convex-shaped structure formed by a rectangular seat body and a protrusion, wherein the mounting through hole is provided at the junction of the rectangular seat body and the protrusion, and a connecting block is provided on both sides of the protrusion respectively, and the rear side of each connecting block is fixedly connected to the front end of the movable block by bolts.

[0009] In a preferred embodiment, the above-mentioned mounting through hole is a rectangular hole, and the movable block is correspondingly a rectangular block.

[0010] In a preferred embodiment, a gap is formed between the rear side wall of the connecting block and the front side wall of the rectangular base, and the width of the gap is not less than the gap between the outer side wall of the slider lower wing plate and the front side wall of the protrusion.

[0011] The present invention also provides a slider hanging pull tab assembly machine, comprising a circular turntable and a slider loading device, a pull tab hanging device and a riveting device installed around the outer circumference of the circular turntable, and several of the above-mentioned slider mold bases are installed at intervals on the inner side of the circumferential edge of the circular turntable.

[0012] Furthermore, the above-mentioned slider loading device includes a slider rail, a slider clamping mechanism and a slider pushing mechanism. The slider rail is vertically fixed to the side of the circular turntable through a support seat. The slider clamping mechanism includes a slider clamping block, a slider elastic supporting assembly and a clamping block pushing cylinder. A slider accommodating hole is opened at the front end of the slider clamping block, and a slider elastic supporting assembly is respectively provided on both sides of the slider accommodating hole. The clamping block pushing cylinder is used to push the slider clamping block to the top of the slider mold base, and the slider pushing mechanism is arranged directly above the slider mold base.

[0013] Furthermore, a guide seat is fixed on the above-mentioned support seat, and a horizontal guide hole is provided at the lower part of the guide seat. The slider clamping block can be slidably installed on the horizontal guide hole. The guide seat also has a vertical guide hole vertically connected to the horizontal guide hole. A slanted block is installed in the vertical guide hole, which cooperates with the rear end of the slider clamping block. The guide seat is also provided with a reset mechanism for pulling the slider clamping block back to its position; the slider pushing mechanism includes a push knife connecting seat and a push knife fixedly connected to the push knife connecting seat, the piston end of the clamping block pushing cylinder is connected to a connecting plate, and the slanted block and the push knife are respectively fixed to the bottom surface of the connecting plate.

[0014] Furthermore, the above-mentioned pull-tab hanging device includes a pull-tab feeding track, a pull-tab horizontal transfer mechanism and a pull-tab hanging mechanism, the pull-tab horizontal transfer mechanism includes a pull-tab receiving track, a pull-tab elastic clamping assembly, a horizontal push block, a horizontal guide rail and a horizontal pushing cylinder, the pull-tab feeding track is tilted downward, the pull-tab receiving track is docked at the end of the pull-tab feeding track, the pull-tab elastic clamping assembly is installed at the end of the pull-tab receiving track for clamping the pull tab, the horizontal push block can be slidably arranged on the horizontal guide rail, the front end of the horizontal push block is connected to the pull-tab receiving track, and the rear end is connected to the piston rod of the horizontal pushing cylinder; the pull-tab hanging mechanism includes a pull-down cylinder, the pull-down cylinder is fixed below the front end of the horizontal push block, and the piston rod at the top of the pull-down cylinder is connected to the bottom of the pull-tab receiving track to pull the pull tab down to hang on the slider.

[0015] Furthermore, the above-mentioned slider riveting device includes a riveting connection block, a riveting roller and a lifting drive mechanism. The lifting drive mechanism is connected to the riveting connection block. The riveting roller is provided at the bottom of the riveting connection block. When the riveting roller descends, it squeezes the riveted part of the slider and pushes the slider and the fork trimmer toward the fixed seat, so that the outer side wall of the lower wing plate of the slider rests against the front side wall of the fixed seat.

[0016] From the above description of the structure of the present invention, it can be seen that compared with the prior art, the present invention has the following advantages:

[0017] 1. In the slider die base of the present invention, the fork repair knife is connected to the fixed seat through a movable block. When the fork repair knife is hung with a slider, a gap is provided between the outer side wall of the slider lower wing plate and the front side wall of the fixed seat to prevent the slider from being damaged by scratches between the rear side wall and the fixed seat when the slider is being loaded. An elastic reset mechanism is provided between the movable block and the fixed seat. When the slider is squeezed by the slider riveting device, the fork repair knife and the movable block connected to it move toward the rear side wall of the mounting hole and squeeze the elastic reset mechanism, so that the outer side wall of the slider lower wing plate abuts against the front side wall of the fixed seat, ensuring the riveting force of the slider. Therefore, the slider die base of the present invention has a simple structure. The fork repair knife is inserted into the tooth chain channel of the slider, which not only positions the slider to avoid damage to the slider during loading, but also prevents the slider from being deformed during riveting, thereby simplifying the structure of the riveting device. At the same time, after the slider is riveted, it can be collected by pushing the slider downward from top to bottom, thereby simplifying the structure and process of slider collection.

[0018] 2. In the slider-mounted pull-tab assembly machine of the present invention, the slider loading device receives the slider via the slider clamping mechanism, then clamps and transports it to the top of the slider die base, where it is then pushed onto the slider die base by the slider pushing mechanism. This slider loading device has high loading efficiency and low failure rate. Furthermore, the slider clamping mechanism and the slider pushing mechanism share a clamping block pushing cylinder, saving equipment costs and ensuring the sequence of the slider clamping block conveying process and the slider pushing process, eliminating the need for a control system.

[0019] 3. The pull-tab hanging device of the present invention has a pull-tab receiving track at the end of the pull-tab feeding track. The pull-tab receiving track is used to feed the slider to the position directly above the slider die base on which the slider is mounted. Then, simulating the manual operation of hanging the slider, the pull-tab hanging mechanism pulls the pull-tab receiving track downward, allowing the slider to be hung on the slider. This pull-tab hanging device can accurately hang the slider on the slider, greatly improving the quality and efficiency of the pull-tab hanging process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural diagram of embodiment 1 of the present invention.

[0021] Figure 2 This is a schematic diagram of the decomposition of the first embodiment of the present invention.

[0022] Figure 3 It is a top view of embodiment 1 of the present invention.

[0023] Figure 4 This is a cross-sectional view of embodiment 1 of the present invention.

[0024] Figure 5 This is a structural diagram of embodiment 2 of the present invention.

[0025] Figure 6This is a schematic structural diagram of a slider loading device according to a second embodiment of the present invention.

[0026] Figure 7 for Figure 6 Schematic diagram of the decomposition.

[0027] Figure 8 This is a front view of the slider clamping mechanism according to the second embodiment of the present invention, which is moved above the slider die base and the push knife is inserted into the slider accommodating hole.

[0028] Figure 9 Schematic diagram of the structure of the pull-tab hanging device according to the second embodiment of the present invention.

[0029] Figure 10 This is a front view of the pull tab hanging mechanism in the second embodiment of the present invention in the state of hanging the pull tab.

[0030] Figure 11 This is an exploded schematic diagram of the pull-tab hanging mechanism according to the second embodiment of the present invention.

[0031] Figure 12 This is a schematic structural diagram of a pull tab detection device, a defective product demoulding device, a slider riveting device, and a finished product demoulding device according to a second embodiment of the present invention.

[0032] Figure 13 Schematic diagram of the structure of the pull-tab detection device according to the second embodiment of the present invention. DETAILED DESCRIPTION

[0033] Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

[0034] Example 1

[0035] A slider die seat, referring to Figure 1 and Figure 2 The rotating disc includes a fixed base 11, a fork trimming knife 12, a connecting block 13, a movable block 14, and an elastic reset mechanism. The fixed base 11 is fixed to the inner side of the circumferential edge of the turntable. A mounting hole 100 is defined in the front center of the fixed base 11. Mounting hole 100 is preferably rectangular. The movable block 14, which is a corresponding rectangular block, is inserted into mounting hole 100. A connecting block 13 connects to the left and right front sidewalls of the movable block 14, respectively, with a corresponding fork trimming knife 12. The two fork trimming knives 12 and the front sidewall of the fixed base 11 form the slider core mold for positioning the slider.

[0036] When the slider core mold is equipped with a pull tab, a gap is provided between the outer side wall of the slider lower wing plate and the front side wall of the fixing seat to prevent the slider from being scratched and damaged when the slider is vertically pushed from the slider feeding track to the slider core mold.

[0037] Reference Figure 2 and Figure 3 The elastic return mechanism is further provided between the rear side wall of the movable block 14 and the center-rear portion of the fixed seat 11, and a movable space is defined between the rear side of the movable block 14 and the rear side wall of the mounting hole 100. When the slider is compressed by the slider riveting device, the fork trimming knife 12 and the movable block 14 connected thereto move toward the rear side wall of the mounting hole 100 and compress the elastic return mechanism, causing the outer side wall of the slider's lower wing plate to abut against the front side wall of the fixed seat 11.

[0038] Reference Figure 2 and Figure 4 The above-mentioned elastic reset mechanism is a spring 15. A central blind hole 110 is opened on the inner side of the middle and rear part of the fixing seat 11, wherein the front end of the central blind hole 110 is vertically connected to the mounting through hole 100. The spring 15 is installed in the central blind hole 110. One end of the spring 15 is pressed against the central blind hole 110, and the other end is exposed from the central blind hole 110 and is held against the inner wall of the movable block 14.

[0039] Reference Figure 2 and Figure 3 The fixed base 11 shown in this embodiment is preferably formed into a U-shaped structure with a rectangular base body 111 and a protrusion 112. The aforementioned mounting hole 100 is defined at the junction of the rectangular base body 111 and the protrusion 112. A connecting block 13 is provided on either side of the protrusion 112. The rear side of each connecting block 13 is fixedly connected to the front end of the movable block 14 by bolts.

[0040] There is a gap between the rear side wall of the above-mentioned connecting block 13 and the front side wall of the rectangular base body 111, the width of which is not less than the gap between the outer side wall of the lower wing plate of the slider and the front side wall of the protrusion 112, so that before the elastic reset mechanism is compressed into place, that is, when the gap between the connecting block 13 and the rectangular base body 111 is not completely eliminated, the outer side wall of the lower wing plate of the slider rests on the front side wall of the protrusion 112, thereby ensuring the riveting effect of the slider.

[0041] Example 2

[0042] This embodiment provides a pull head hanging pull tab assembly machine, referring to Figure 5 It includes a circular turntable 1 and a slider loading device 2, a pull tab hanging device 3, a riveting device 4 and a PLC control cabinet 5 installed around the outer circumference of the circular turntable 1. Several slider mold bases 10 of the first embodiment are installed at intervals on the inner side of the circumferential edge of the circular turntable 1.

[0043] Reference Figures 6 to 8The above-mentioned slider loading device 2 includes a slider rail 21, a slider clamping mechanism 22 and a slider pushing mechanism 23. The slider rail 21 is vertically fixed to the side of the circular turntable 1 through a support base 211; the slider clamping mechanism includes a slider clamping block 221, a slider elastic supporting assembly 222 and a clamping block pushing cylinder 223. A slider accommodating hole 2210 is provided at the front end of the slider clamping block 221. A slider elastic supporting assembly 222 is provided on both sides of the slider accommodating hole 2210. The slider elastic supporting assembly 222 is an elastic supporting component commonly used in this field and will not be described in detail here. The clamping block pushing cylinder 223 is used to push the slider clamping block 221 to the top of the slider die base 10. The slider pushing mechanism 23 is arranged directly above the slider die base 10 and is used to push the slider in the slider clamping block 221 into the slider die base 10.

[0044] Reference Figures 6 to 8 A guide base 212 is fixed to the support base 211. A horizontal guide hole 2120 is defined in the lower portion of the guide base 212. The slider clamping block 221 is slidably mounted on the horizontal guide hole 2120. The guide base 212 also defines a vertical guide hole 2121 that is perpendicularly connected to the horizontal guide hole 2120. A bevel block 224 is mounted within the vertical guide hole 2121 and engages with the rear end of the slider clamping block 221. The guide base 212 also includes a reset mechanism for pulling the slider clamping block back into position. The reset mechanism comprises a screw 2251 and a second spring 2252. The screw 2251 passes through the horizontal guide hole from the rear side of the guide base 212 and connects to the rear side of the slider clamping block 221. The second spring 2252 is sleeved on the surface of the screw 2251 that is exposed outside the guide base 212. When the clamping block pushing cylinder 223 pushes the inclined block 224 downward, the slider clamping block 221 moves outward under the action of the inclined block 224. At this time, the screw moves with the slider clamping block 221, compressing the second spring 2252. When the slider clamping block 221 moves into place and the slider is pushed out, the clamping block pushing cylinder 223 returns to its original position, and the slider clamping block 221 also returns to its original position under the reset action of the second spring 2252.

[0045] Reference Figure 7 The sliding head pushing mechanism 23 includes a push knife connecting seat 231 and a push knife 232 fixedly connected to the push knife connecting seat 231. The piston end of the clamping block pushing cylinder 223 is connected to a connecting plate 2231, and the inclined block 224 and the push knife 232 are respectively fixed to the bottom surface of the connecting plate 2231.

[0046] The slider clamping mechanism 22 and the slider pushing mechanism 23 of the slider loading device 2 share a clamping block pushing cylinder 223, which saves equipment cost and ensures the sequence of the slider clamping block conveying process and the slider pushing process.

[0047] Reference Figures 9 to 11 The above-mentioned pull-tab hanging device 3 includes a pull-tab feeding track 31, a pull-tab horizontal transfer mechanism 32, and a pull-tab hanging mechanism 33. The pull-tab horizontal transfer mechanism 32 includes a pull-tab receiving track 321, a pull-tab elastic clamping assembly 322, a horizontal push block 323, a horizontal guide rail 324, and a horizontal push cylinder 325. The pull-tab feeding track 31 is arranged downwardly, and the pull-tab receiving track 321 is connected to the end of the pull-tab feeding track 31. The pull-tab elastic clamping assembly 322 is installed at the end of the pull-tab receiving track 321 for clamping the pull-tab. The pull-tab elastic clamping assembly 322 is also a common elastic clamping assembly in the field and will not be described in detail in this embodiment. The horizontal push block 323 is slidably arranged on the horizontal guide rail 324. The front end of the horizontal push block 323 is connected to the pull-tab receiving track 321, and the rear end is connected to the piston rod of the horizontal push cylinder 325.

[0048] Reference Figure 10 and Figure 11 The pull-tab receiving track 321 comprises a receiving base plate 3211, two side panels 3212, and a track connection base 3213. The two side panels 3212 are fixed to the track connection base. The receiving base plate is L-shaped and tilted against the surface of the track connection base 3213. The top is detachably connected to the track connection base 3213 via bolts for easy replacement. A notched clearance slot 32 is provided at the bottom end of the receiving base plate 3211 to prevent the pull tab from hitting the protruding trunk hook of the slider when hanging.

[0049] Reference Figures 9 to 11 The above-mentioned pull-tab hanging mechanism 33 includes a pull-down cylinder 331, which is fixed below the front end of the horizontal push block 323. The piston rod at the top of the pull-down cylinder 331 is connected to the bottom of the above-mentioned track connecting seat 3213 to pull the entire pull-tab receiving rail 321 downward, so that the pull-tab is hung downward on the slider of the slider mold seat.

[0050] Reference Figure 5 and Figure 12 The slider riveting device 4 includes a riveting connection block 41, a riveting roller 42, and a lifting drive mechanism. The lifting drive mechanism is connected to the riveting connection block 41 to drive the riveting connection block 41 up and down. The lifting drive mechanism is also a common power mechanism in the field and will not be described in detail here. The riveting roller 42 is provided at the bottom of the riveting connection block 41. When the riveting roller 42 descends, it squeezes the riveted part of the slider and pushes the fork trimming knife on the slider and the slider die base 10 toward the fixed base, so that the outer side wall of the slider lower wing plate abuts the front side wall of the fixed base.

[0051] Reference Figure 5The slider upper hanging pull tab assembly machine also includes a pull tab detection device 6, a defective product demoulding device 7, and a finished product demoulding device 8. The slider feeding device 2, the pull tab hanging device 3, the pull tab detection device 6, the defective product demoulding device 7, the slider riveting device 4, and the finished product demoulding device 8 are sequentially arranged at intervals on the outer circumferential side of the circular turntable 1 along the rotation direction of the circular turntable 1.

[0052] Reference Figure 13 The pull-tab detection device 6 includes a pull-tab detection push knife 61, a push-blade connecting block 62, a push-blade detection sensor 63, and a push-blade lifting mechanism 64. A push-blade connecting through hole is provided on the push-blade connecting block 62, and the pull-tab detection push knife 61 is hung on the push-blade connecting through hole from top to bottom. A strip-shaped opening groove 610 is formed at the lower end of the pull-tab detection push knife 61 to provide space for its downward movement to prevent it from touching the elephant trunk on the slider. The width of the strip-shaped opening groove 610 is greater than the width of the elephant trunk but less than the width of the pull tab. The push-blade detection sensor 63 is fixed on the push-blade connecting block 62 and is located directly above the pull-tab detection push knife 61. The push-blade lifting mechanism 64 is used to push the push-blade connecting block 62 to move downward. It can be a separately set push-blade lifting cylinder, or it can share a lifting drive mechanism with the slider riveting device.

[0053] Reference Figure 13 When the push-knife lifting mechanism 64 pushes the push-knife connecting block 62 downward, it also drives the tab detection push-knife 61 downward synchronously. If a tab is attached to the slider within the slider die base 10, the bottom of the tab detection push-knife 61 is blocked by the tab and cannot move further downward, while the push-knife connecting block 62 continues to move downward due to the action of the push-knife lifting mechanism 64. Therefore, the tab detection push-knife 61 can move upward relative to the push-knife connecting block 62. When its top approaches or touches the push-knife detection sensor 63, the push-knife detection sensor 63 generates a sensing signal. Conversely, if there is no tab within the slider die base 10, the bottom of the tab detection push-knife 61 encounters no resistance and continues to move downward synchronously with the push-knife connecting block 62, thus failing to be detected by the push-knife detection sensor 63.

[0054] Reference Figure 5 and Figure 12 The defective demoulding device 7 includes a slider pusher 71 and a slider pusher lifting mechanism. The slider pusher 71 is located directly above the slider die base 10. A notch is correspondingly provided on the circular turntable at the bottom of the slider die base 10. A support plate 101 that can be moved outward is mounted on the notch. The slider pusher lifting mechanism is connected to the slider pusher 71 and is used to drive the slider pusher downward to vertically push the slider out of the slider die base 10. The slider pusher lifting mechanism preferably uses a shared lifting drive mechanism with the slider riveting device.

[0055] The finished product demoulding device 8 has the same structure as the defective product demoulding device 7 and will not be described again here.

[0056] The above-mentioned PLC control cabinet is respectively connected to the driving cylinders and sensors of each device such as the slider loading device 2, the pull tab hanging device 3, the riveting device 4, the pull tab detection device, the defective product demoulding device 7 and the finished product demoulding device 8 to control the action sequence of each cylinder and sensor.

[0057] The pull tab hanging assembly machine of the slider of the present invention can also reserve a certain space on the side of the circumference of the circular turntable between the pull tab detection device and the defective product demoulding device for manual hanging of the pull tab.

[0058] The above is only a specific implementation of the present invention, but the design concept of the present invention is not limited to this. Any non-substantial changes to the present invention using this concept shall be deemed as an infringement of the protection scope of the present invention.

Claims

1. A slider die base, characterized by: The utility model comprises a fixed seat, a fork repair knife, a connecting block, a movable block and an elastic reset mechanism, wherein the fixed seat is fixed to the inner side of the circumferential edge of the turntable, and the fixed seat is a convex-shaped structure integrally formed by a rectangular seat body and a convex block, wherein a mounting through-hole is opened at the junction of the rectangular seat body and the convex block, and a connecting block is respectively provided on both sides of the convex block, and the movable block is passed through the mounting through-hole, and a fork repair knife is connected to the front side wall of the left and right ends of the movable block through a connecting block respectively. The two fork repair knives and the front side of the fixed seat are connected The wall constitutes a slider core mold for positioning the slider, and there is a gap between the outer side wall of the slider lower wing plate and the front side wall of the fixed seat; the elastic reset mechanism is also provided between the rear side wall of the movable block and the middle and rear part of the fixed seat, and there is a movable space between the rear side of the movable block and the rear side wall of the mounting through hole. When the slider is squeezed by the slider riveting device, the fork repair knife and the movable block connected to it move toward the rear side wall of the mounting through hole and squeeze the elastic reset mechanism, so that the outer side wall of the slider lower wing plate is against the front side wall of the fixed seat.

2. The slider die base according to claim 1, characterized in that: The elastic reset mechanism is a spring, and a central blind hole is opened on the inner side of the middle and rear part of the fixing seat, wherein the front end of the central blind hole is vertically connected to the mounting through hole, and the spring is installed in the central blind hole, and the end of the spring exposed from the central blind hole is supported on the inner wall of the movable block.

3. A slider die base according to claim 1 or 2, characterized in that: The rear side of each connecting block is fixedly connected to the front end of the movable block by bolts.

4. The slider die base according to claim 2, wherein: The mounting through hole is a rectangular hole, and the movable block is correspondingly a rectangular block.

5. The slider die base according to claim 2, characterized in that: There is a gap between the rear side wall of the connecting block and the front side wall of the rectangular base, and the width of the gap is not less than the gap between the outer side wall of the lower wing plate of the slider and the front side wall of the protrusion.

6. A pull tab assembly machine for a slider, characterized by: It comprises a circular turntable and a slider loading device, a pull tab hanging device and a riveting device installed around the outer circumference of the circular turntable. A plurality of slider die bases as claimed in claim 1 are installed at intervals on the inner side of the circumferential edge of the circular turntable.

7. The slider hanging tab assembly machine according to claim 6, characterized in that: The slider loading device includes a slider rail, a slider clamping mechanism and a slider pushing mechanism. The slider rail is vertically fixed to the side of the circular turntable through a support seat. The slider clamping mechanism includes a slider clamping block, a slider elastic supporting assembly and a clamping block pushing cylinder. A slider accommodating hole is provided at the front end of the slider clamping block. The slider elastic supporting assembly is respectively provided on both sides of the slider accommodating hole. The clamping block pushing cylinder is used to push the slider clamping block to the top of the slider mold base. The slider pushing mechanism is arranged just above the slider mold base.

8. The slider hanging tab assembly machine according to claim 7, characterized in that: A guide seat is fixed on the support seat, and a horizontal guide hole is provided at the lower part of the guide seat. The slider clamping block can be slidably installed on the horizontal guide hole. The guide seat also has a vertical guide hole vertically connected to the horizontal guide hole. An inclined block is installed in the vertical guide hole to cooperate with and abut the rear end of the slider clamping block. The guide seat is also provided with a reset mechanism for pulling the slider clamping block back to its position; the slider pushing mechanism includes a push knife connecting seat and a push knife fixedly connected to the push knife connecting seat, the piston end of the clamping block pushing cylinder is connected to a connecting plate, and the inclined block and the push knife are respectively fixed to the bottom surface of the connecting plate.

9. The slider hanging tab assembly machine according to claim 6, characterized in that: The pull-tab hanging device includes a pull-tab feeding track, a pull-tab horizontal transfer mechanism and a pull-tab hanging mechanism, the pull-tab horizontal transfer mechanism includes a pull-tab receiving track, a pull-tab elastic clamping assembly, a horizontal push block, a horizontal guide rail and a horizontal pushing cylinder, the pull-tab feeding track is tilted downward, the pull-tab receiving track is docked at the end of the pull-tab feeding track, the pull-tab elastic clamping assembly is installed at the end of the pull-tab receiving track for clamping the pull tab, the horizontal push block can be slidably arranged on the horizontal guide rail, the front end of the horizontal push block is connected to the pull-tab receiving track, and the rear end is connected to the piston rod of the horizontal pushing cylinder; the pull-tab hanging mechanism includes a pull-down cylinder, which is fixed below the front end of the horizontal push block, and the piston rod at the top of the pull-down cylinder is connected to the bottom of the pull-tab receiving track to pull the pull tab downward to be hung on the slider.

10. The slider hanging tab assembly machine according to claim 6, characterized in that: The slider riveting device includes a riveting connection block, a riveting roller and a lifting drive mechanism. The lifting drive mechanism is connected to the riveting connection block. The riveting roller is provided at the bottom of the riveting connection block. When the riveting roller descends, it squeezes the riveted part of the slider and pushes the slider and the fork trimmer toward the fixed seat, so that the outer side wall of the lower wing plate of the slider rests against the front side wall of the fixed seat.

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