Automatic shearing device for glue injection slider

Abstract

The present invention relates to an automatic shearing device for a glue injection slider, comprising a conveying mechanism for conveying materials to be sheared and a shearing mechanism arranged on a conveying path of the conveying mechanism, the shearing mechanism comprising a guide block, a first driving block, a second driving block, a driving mechanism, a mounting block, and a first shearing block and a second shearing block, the first driving block and the second driving block are connected by a second elastic member, a third elastic member for resetting the second driving block is arranged on the guide block, a first push rod and a second push rod are connected to the first driving block, a longitudinal pushing portion for pushing and bringing the first shearing block and the second shearing block closer to each other is arranged on the first push rod and / or the second push rod, a transverse pushing portion for driving the mounting block to move transversely is arranged on the first push rod and / or the second push rod, and a fourth elastic member for resetting the mounting block is arranged on the second driving block. The present invention has the characteristics of simple structure and stable operation.

Description

Technical Field

[0001] The invention relates to an automatic shearing device for a glue-injected slider. Background Art

[0002] The slider usually includes a slider and a pull tab connected to the slider. The slider forms a channel for the zipper to pass through. The zipper is inserted into the channel. The zipper is opened and closed by sliding the slider. There is a type of glue-injected slider on the market. The glue-injected part is formed at the tail of the pull tab by glue injection. The plastic material can improve the feel and appearance of the pull tab. After batch glue injection, it forms a Figure 1 The material structure shown includes a glue injection material skeleton 10 formed by a main material channel and a plurality of material columns 14 formed by a branch material channel. Each material column 14 is connected to a glue injection part 13 of a pull tab 12. Therefore, a shearing device is required to cut the glue injection part 13 from the material column 14. The traditional shearing device has low operating accuracy. After cutting, large burrs are easily formed on the glue injection part 13, which affects the user experience.

[0003] In view of this, the inventor of this case conducted in-depth research on the above-mentioned issues, which led to the emergence of this case. Summary of the invention

[0004] The object of the present invention is to provide an automatic shearing device for a glue-injected slider with higher shearing accuracy and more stable operation.

[0005] In order to achieve the above object, the present invention adopts such technical solution:

[0006] The automatic shearing device for a glue injection slider comprises a conveying mechanism for conveying materials to be sheared and a shearing mechanism arranged on a conveying path of the conveying mechanism, wherein the conveying direction of the materials is the longitudinal direction, and the direction perpendicular to the longitudinal direction and located in a horizontal plane is the transverse direction, wherein the shearing mechanism comprises a guide block, a first driving block slidably arranged in the guide block, a second driving block slidably arranged in the guide block, a driving mechanism for driving the first driving block to move up and down, a mounting block slidably arranged in the second driving block in the transverse direction, and a first shearing block and a second shearing block slidably arranged in the longitudinal direction in the mounting block, wherein the first shearing block and the second shearing block are provided with a drive mechanism that can make the first shearing block and the second shearing block move upward and downward. The first elastic member temporarily separates the two shear blocks, the first drive block and the second drive block are connected in transmission via the second elastic member, a third elastic member for resetting the second drive block is provided on the guide block, a limiting mechanism for limiting the downward movement of the second drive block is also provided on the guide block, a first push rod and a second push rod are connected to the first drive block, the first push rod and / or the second push rod are provided with a longitudinal pushing portion for pushing and bringing the first shear block and the second shear block closer to each other, the first push rod and / or the second push rod are provided with a lateral pushing portion for driving the mounting block to move lateraly, and the second drive block is provided with a fourth elastic member for resetting the mounting block.

[0007] As a preferred embodiment of the present invention, the driving mechanism is a cylinder, and the piston rod of the cylinder is along the vertical direction and installed on the first driving block.

[0008] As a preferred embodiment of the present invention, the first elastic member is a first spring, a through hole is provided on the mounting block, a first receiving groove is provided on the first shear block, a second receiving groove is provided on the second shear block, the first spring is arranged in the through hole, the first shear block and the second shear block are arranged on both sides of the axial direction of the through hole, one end of the first spring extends out of the through hole and is arranged in the first receiving groove, and the other end of the second spring extends out of the through hole and is arranged in the second receiving groove.

[0009] As a preferred embodiment of the present invention, the second elastic member is a second spring, the lower end of the first driving block is provided with a first blind hole extending upward, the upper end of the second driving block is provided with a second blind hole extending downward, and the two ends of the second spring are respectively arranged in the first blind hole and the second blind hole.

[0010] As a preferred embodiment of the present invention, the third elastic member is a tension spring, one end of the tension spring is connected to the upper end of the guide block, and the lower end of the tension spring is connected to the second driving block.

[0011] As a preferred embodiment of the present invention, the limiting mechanism includes a connecting block arranged on the second driving block, a limiting screw screwed on the connecting block, and a limiting platform arranged on the guide block.

[0012] As a preferred embodiment of the present invention, the first shear block is provided with a first inclined surface, the lower end of the first push rod is provided with a first friction surface cooperating with the first inclined surface for pushing the first shear block to slide, the second shear block is provided with a second inclined surface, and the lower end of the second push rod is provided with a second friction surface cooperating with the second inclined surface for pushing the second shear block to slide.

[0013] As a preferred embodiment of the present invention, the mounting block is provided with a third inclined surface and a fourth inclined surface, the first push rod is provided with a third friction surface cooperating with the third inclined surface for pushing the mounting block to slide, and the third friction surface is located above the first friction surface, and the second push rod is provided with a fourth friction surface cooperating with the fourth inclined surface for pushing the mounting block to slide, and the fourth friction surface is located above the second friction surface.

[0014] As a preferred embodiment of the present invention, the conveying mechanism includes a base and a material rack which can be longitudinally slidably arranged in the base, the material rack is provided with a work station for placing the pull heads to be sheared and the aggregates to be injected with glue, the material rack is provided with a rack, and the base is provided with a gear which cooperates with the rack, and the gear is connected to a motor which drives the gear to rotate.

[0015] As a preferred embodiment of the present invention, it also includes a rejection mechanism for removing material bones, which includes a workbench for receiving the material rack, a material pushing cylinder arranged in the workbench, a material pushing block arranged on the material pushing cylinder, a material pushing cylinder arranged on the workbench, and a material pushing block arranged on the material pushing cylinder.

[0016] After adopting the technical solution of the present invention, the first push rod and / or the second push rod is provided with a longitudinal pushing part for pushing and bringing the first shear block and the second shear block closer to each other, and the first push rod and / or the second push rod is provided with a transverse pushing part for driving the mounting block to move transversely, and the transverse pushing part is used to drive the first shear block and the second shear block to abut against the first connecting end of the material column, thereby ensuring that the material column can be cut off smoothly during shearing, reducing the burrs of the glue injection pull tab. The present invention has the characteristics of simple structure and stable operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the matching structure of the slider and the glue injection frame of the present invention.

[0018] Figure 2 It is a structural schematic diagram of the present invention.

[0019] Figure 3 It is a structural schematic diagram of the base in the present invention.

[0020] Figure 4 It is a structural schematic diagram of the shearing mechanism cooperating with the rejecting mechanism in the present invention.

[0021] Figure 5 It is a schematic diagram of the exploded structure of the shearing mechanism in the present invention.

[0022] Figure 6 It is a schematic diagram of the exploded structure of the first push rod and the first shear block in the present invention.

[0023] Figure 7 It is a schematic diagram of the matching structure of the first shear block, the first push rod and the mounting block of the present invention.

[0024] Figure 8 It is a schematic diagram of the cross-sectional structure of the shearing mechanism in the present invention.

[0025] Fig. 9 It is a structural schematic diagram of the shearing mechanism in the present invention from another angle.

[0026] In the figure:

[0027] Glue injection aggregate 10 pull head 11

[0028] Pull tab 12 Glue injection 13

[0029] Material column 14 First connection end 15

[0030] The second connection terminal 16

[0031] Conveying mechanism 20 Base 21

[0032] Material rack 22 Rack 23

[0033] Station 24 Motor 25

[0034] Gear 26 Guide groove 27

[0035] Shearing mechanism 30 Guide block 300

[0036] First driving block 301 Second driving block 302

[0037] Driving mechanism 303 First push rod 304

[0038] Second push rod 305 First shear block 306

[0039] Second shear block 307 First blind hole 308

[0040] Second blind hole 309 Second elastic member 310

[0041] Mounting block 311 Slide slot 312

[0042] First storage slot 314 Second storage slot 315

[0043] First elastic member 316 First inclined surface 317

[0044] Second inclined surface 318 First friction surface 319

[0045] The second friction surface 320 and the third friction surface 321

[0046] Fourth friction surface 322 Third inclined surface 323

[0047] Fourth inclined surface 324 Connecting block 325

[0048] Limit screw 326 Limit table 327

[0049] Rejection mechanism 40 Workbench 41

[0050] Pushing cylinder 42 Pushing block 43

[0051] Ejector cylinder 44 Ejector block 45 DETAILED DESCRIPTION

[0052] In order to further explain the technical solution of the present invention, it is described in detail below in conjunction with embodiments.

[0053] Reference Figures 1 to 9The automatic shearing device for glue injection pull head includes a conveying mechanism 20 for conveying materials to be sheared and a shearing mechanism 30 arranged on the conveying path of the conveying mechanism 20. The conveying direction of the material is the longitudinal direction, and the direction perpendicular to the longitudinal direction and located in the horizontal plane is the transverse direction. In the present invention, the glue injection aggregate 10 on the material rack 22 is conveyed to the shearing mechanism 30 for shearing by the conveying mechanism 20. Figure 1 In the prior art, after the pull tab 12 of the glue injection pull head 11 is glue injected, the glue injection part 13 on the pull tab 12 is connected to the glue injection material frame 10, and each glue injection material frame 10 is connected with a plurality of pull heads 11, and the pull heads 11 are connected to the pull tab 12 through the material column 14, and the end of the material column 14 connected to the glue injection part 13 is the first connection end 15, and the end connected to the glue injection material frame 10 is the second connection end 16. In the embodiment, the pull heads 11 are in two rows, and the two rows of pull heads 11 are respectively arranged on both sides of the glue injection material frame 10. After the glue injection material frame 10 is fed into the shearing mechanism 30, two pull heads 11 are sheared each time. As a preferred embodiment of the present invention, the conveying mechanism 20 includes a base 21 and a material rack 22 which is longitudinally slidably arranged in the base 21. The base 21 is provided with a guide groove 27 for guiding the movement of the material rack 22. The material rack 22 is provided with a station 24 for placing the pull head 11 to be sheared and the injection aggregate 10. The material rack 22 is provided with a rack 23, which is arranged along the conveying direction of the conveying mechanism 20. The rack 23 is arranged at the lower end of the material rack 22. A gear 26 cooperating with the rack 23 is provided on the base 21. The gear 26 is connected to a motor 25 for driving the gear 26 to rotate. The motor 25 drives the gear 26 to rotate. The gear 26 drives the material rack 22 to move through the rack 23, thereby shearing the injection aggregate 10. In the present invention, the injection aggregate 10 is placed on the material rack 22, and the material column 14 extends from both sides of the material rack 22 to facilitate shearing by the shearing mechanism. The conveying mechanism for conveying the injection aggregate 10 can adopt the relevant structure in the prior art, which will not be described in detail here.

[0054] In the present invention, the shearing mechanism 30 includes a guide block 300, a first driving block 301 slidably disposed in the guide block 300, a second driving block 302 slidably disposed in the guide block 300, a driving mechanism 303 for driving the first driving block 301 to move up and down, a mounting block 311 slidably mounted in the second driving block 302, and a first shearing block 306 and a second shearing block 307 slidably mounted in the mounting block 311, the first driving block 301 is disposed above the second driving block 302, and a limiting slide groove for guiding the first driving block 301 and the second driving block 302 to move up and down is provided in the guide block 300. In the present invention, there are two first push rods 304, two second push rods 305, two mounting blocks 311, two first shearing blocks 306, and two second shearing blocks 307, so that the shearing mechanism 30 of the present invention can shear two sliders 11 at a time.

[0055] The first shear block 306 and the second shear block 307 are provided with a first elastic member 316 that can temporarily separate the first shear block 306 and the second shear block 307. The first shear block 306 and the second shear block 307 are in an open state under the action of the first elastic member 316 to prepare for cutting. As a preferred embodiment of the present invention, the first elastic member 316 is a first spring, which is arranged in the horizontal direction, the mounting block 311 is provided with a through hole, the first shear block 306 is provided with a first receiving groove 314, the second shear block 307 is provided with a second receiving groove 315, the first spring is arranged in the through hole, the first shear block 306 and the second shear block 307 are arranged on both sides of the axial direction of the through hole, one end of the first spring extends out of the through hole and is arranged in the first receiving groove 314, and the other end of the second spring extends out of the through hole and is arranged in the second receiving groove 315.

[0056] The first driving block 301 and the second driving block 302 are connected by a second elastic member 310. As a preferred embodiment of the present invention, the second elastic member 310 is a second spring. The lower end of the first driving block 301 is provided with a first blind hole 308 extending upward, and the upper end of the second driving block 302 is provided with a second blind hole 309 extending downward. The two ends of the second spring are respectively arranged in the first blind hole 308 and the second blind hole 309. In the embodiment, there are two first blind holes 308, two second blind holes 309 and two second springs.

[0057] In the present invention, a third elastic member for resetting the second driving block 302 is provided on the guide block 300. As a preferred embodiment of the present invention, the third elastic member is a tension spring (not shown in the figure), one end of which is connected to the upper end of the guide block 300, and the lower end of which is connected to the second driving block 302. By providing the tension spring, the second driving block 302 can be returned upward.

[0058] The present invention also provides a limiting mechanism on the guide block 300 for limiting the downward movement of the second drive block 302. There are two limiting mechanisms. As a preferred embodiment of the present invention, the limiting mechanism includes a connecting block 325 arranged on the second drive block 302, a limiting screw 326 screwed on the connecting block 325, and a limiting platform 327 arranged on the guide block 300. When the limiting screw 326 moves downward with the second drive block 302 and abuts against the limiting platform 327, the second drive block 302 stops moving downward.

[0059] In the present invention, the first driving block 301 is connected with a first push rod 304 and a second push rod 305, both of which are arranged in the vertical direction, and the first push rod 304 and / or the second push rod 305 are provided with a longitudinal pushing portion for pushing and bringing the first shear block 306 and the second shear block 307 closer to each other, and in the embodiment, the first push rod 304 and the second push rod 305 are provided with a longitudinal pushing portion. The first push rod 304 and / or the second push rod 305 are provided with a transverse pushing portion for driving the mounting block 311 to move transversely, and in the embodiment, the first push rod 304 and the second push rod 305 are provided with a transverse pushing portion.

[0060] As a preferred embodiment of the present invention, the first shear block 306 is provided with a first inclined surface 317, the lower end of the first push rod 304 is provided with a first friction surface 319 that cooperates with the first inclined surface 317 to push the first shear block 306 to slide, the second shear block 307 is provided with a second inclined surface 318, and the lower end of the second push rod 305 is provided with a second friction surface 320 that cooperates with the second inclined surface 318 to push the second shear block 307 to slide. When the first push rod 304 and the second push rod 305 move downward, the first friction surface 319 pushes the first inclined surface 317, and the second friction surface 320 pushes the second inclined surface 318, so that the first shear block 306 and the second shear block 307 are close to each other to achieve a shearing action.

[0061] As a preferred embodiment of the present invention, the mounting block 311 is provided with a third inclined surface 323 and a fourth inclined surface 324, the first push rod 304 is provided with a third friction surface 321 that cooperates with the third inclined surface 323 to push the mounting block 311 to slide, and the third friction surface 321 is located above the first friction surface 319, and the second push rod 305 is provided with a fourth friction surface 322 that cooperates with the fourth inclined surface 324 to push the mounting block 311 to slide, and the fourth friction surface 322 is located above the second friction surface 320. When the first push rod 304 and the second push rod 305 move downward, the third friction surface 321 and the fourth friction surface 322 jointly push the mounting block 311 to move in the horizontal direction, and in order to guide the precise movement of the mounting block 311, a corresponding slide groove 312 is provided on the second driving block 302.

[0062] In the present invention, a fourth elastic member is provided on the second driving block 302 for resetting the mounting block 311. In an embodiment, the fourth elastic member is a spring, the upper end of which is fixed on the second driving block 302, and the lower end of which is pressed against the mounting block 311.

[0063] As a preferred embodiment of the present invention, the driving mechanism 303 is a cylinder, and the piston rod of the cylinder is along the vertical direction and installed on the first driving block 301 .

[0064] As a preferred embodiment of the present invention, it also includes a rejection mechanism 40 for removing the glue injection material bone 10, and the rejection mechanism 40 includes a workbench 41 for receiving the material rack 22, a pushing cylinder 44 arranged in the workbench 41, a pushing block 45 arranged on the pushing cylinder 44, a pushing cylinder 42 arranged on the workbench 41, and a pushing block 43 arranged on the pushing cylinder 42.

[0065] The working process of the present invention is as follows: the conveying mechanism 20 conveys the pulling head 11 and the injection aggregate 10 for a distance, the driving mechanism 303 drives the first driving block 301 to drive downward, the first driving block 301 drives the second driving block 302 to move downward through the second elastic member 310, the second driving block 302 drives the first shear block 306 and the second shear block 307 to move downward to both sides of the material column 14, and the second driving block 302 is limited to move further downward by the limit screw 326 and the limit table 327. The first driving block 301 compresses the second elastic member 310 to continue to move downward, and makes the third friction surface 321 of the first push rod 304 abut against the third inclined surface 323 of the mounting block 311, and the fourth friction surface 322 of the second push rod 305 abuts against the fourth inclined surface 324, so that the mounting block 311 slides The first push rod 304 and the second push rod 305 continue to move downward, the first friction surface 319 of the first push rod 304 abuts against the first inclined surface 317, and the second friction surface 320 of the second push rod 305 abuts against the second inclined surface 318, thereby driving the first shear block 306 and the second shear block 307 to perform shearing action; after the shearing is completed, the first push rod 304 and the second push rod 305 move upward, the first shear block 306 and the second shear block 307 are separated from the first elastic member 316, the mounting block 311 returns to its position, the second driving block 302 returns to its position, and the glue-injected aggregate 10 is transported forward for a distance through the conveying mechanism 20 to perform the next shearing action. After the glue-injected aggregate 10 is transported to the rejection mechanism 40, the glue-injected aggregate 10 is pushed upward by the jacking mechanism, and the glue-injected aggregate 10 is pushed out by the pushing mechanism.

[0066] The product form of the present invention is not limited to the embodiments of this case. Any appropriate changes or modifications made by anyone with similar ideas should be deemed to be within the patent scope of the present invention.

Claims

1. An automatic shearing device for a glue injection slider, comprising a conveying mechanism for conveying materials to be sheared and a shearing mechanism arranged on a conveying path of the conveying mechanism, wherein the conveying direction of the materials is the longitudinal direction, and the direction perpendicular to the longitudinal direction and located in a horizontal plane is the transverse direction, and the characteristics are: The shearing mechanism includes a guide block, a first driving block slidably arranged in the guide block, a second driving block slidably arranged in the guide block, a driving mechanism for driving the first driving block to move up and down, a mounting block slidably installed in the second driving block laterally, and a first shearing block and a second shearing block slidably arranged in the mounting block longitudinally, the first shearing block and the second shearing block are provided with a first elastic member that can temporarily separate the first shearing block and the second shearing block, the first driving block and the second driving block are connected by the second elastic member, a third elastic member for resetting the second driving block is provided on the guide block, a limiting mechanism for limiting the travel of the second driving block moving downward is also provided on the guide block, a first push rod and a second push rod are connected to the first driving block, a longitudinal pushing portion for pushing and bringing the first shearing block and the second shearing block closer to each other is provided on the first push rod and / or the second push rod, a transverse pushing portion for driving the mounting block to move laterally is provided on the first push rod and / or the second push rod, and a fourth elastic member for resetting the mounting block is provided on the second driving block; The limiting mechanism comprises a connecting block arranged on the second driving block, a limiting screw screwed on the connecting block, and a limiting platform arranged on the guide block; The first shear block is provided with a first inclined surface, the lower end of the first push rod is provided with a first friction surface that cooperates with the first inclined surface to push the first shear block to slide, the second shear block is provided with a second inclined surface, and the lower end of the second push rod is provided with a second friction surface that cooperates with the second inclined surface to push the second shear block to slide.

2. The automatic shearing device for glue injection slider according to claim 1, characterized in that: The driving mechanism is a cylinder, and the piston rod of the cylinder is along the vertical direction and installed on the first driving block.

3. The automatic shearing device for glue injection slider according to claim 1, characterized in that: The first elastic member is a first spring, a through hole is provided on the mounting block, a first receiving groove is provided on the first shear block, a second receiving groove is provided on the second shear block, the first spring is arranged in the through hole, the first shear block and the second shear block are arranged on both sides of the axial direction of the through hole, one end of the first spring extends out of the through hole and is arranged in the first receiving groove, and the other end of the second spring extends out of the through hole and is arranged in the second receiving groove.

4. The automatic shearing device for glue injection slider according to claim 1, characterized in that: The second elastic member is a second spring, the lower end of the first driving block is provided with a first blind hole extending upward, the upper end of the second driving block is provided with a second blind hole extending downward, and both ends of the second spring are respectively arranged in the first blind hole and the second blind hole.

5. The automatic shearing device for glue injection slider according to claim 1, characterized in that: The third elastic member is a tension spring, one end of which is connected to the upper end of the guide block, and the lower end of which is connected to the second driving block.

6. The automatic shearing device for glue injection slider according to claim 1, characterized in that: The mounting block is provided with a third inclined surface and a fourth inclined surface, the first push rod is provided with a third friction surface cooperating with the third inclined surface for pushing the mounting block to slide, and the third friction surface is located above the first friction surface, and the second push rod is provided with a fourth friction surface cooperating with the fourth inclined surface for pushing the mounting block to slide, and the fourth friction surface is located above the second friction surface.

7. The automatic shearing device for glue injection slider according to claim 1, characterized in that: The conveying mechanism includes a base and a material rack which can be longitudinally slidably arranged in the base. The material rack is provided with a station for placing the pull head to be sheared and the glue-injected aggregate. The material rack is provided with a rack, and a gear matching the rack is provided on the base. The gear is connected to a motor that drives the gear to rotate.

8. The automatic shearing device for glue injection slider according to claim 7, characterized in that: It also includes a rejection mechanism for removing material bones, which includes a workbench for receiving the material rack, a material pushing cylinder arranged in the workbench, a material pushing block arranged on the material pushing cylinder, a material pushing cylinder arranged on the workbench, and a material pushing block arranged on the material pushing cylinder.

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