CN211807422U - Cutting device of zipper-pull injection molding production line - Google Patents

Abstract

A cutting device of a zipper pull injection molding production line comprises a cutting mechanism and a sliding seat, wherein a zipper injection molding set which is subjected to injection molding can be erected on the sliding seat and can move back and forth along the sliding seat; the distance guiding mechanism can be in butt joint with the zipper injection molding group to drive the zipper injection molding group to move towards the cutting mechanism, and the connecting part in the zipper injection molding group can enter the cutting station of the cutting mechanism in sequence to be cut. The utility model discloses in, pushing mechanism can mould plastics the group with the zip fastener on the slide earlier and promote to distance guiding mechanism department, and distance guiding mechanism moulds plastics the group with the zip fastener again and sends into the cutting station that cuts the mechanism according to predetermined speed and cut according to the order of sequence to make each connecting portion that the zip fastener was moulded plastics on the group can both be accurately cut, in order to obtain required shaping zipper head.

Description

Cutting device of zipper-pull injection molding production line

Technical Field

The utility model relates to a draw zipper head's production field, especially indicate a pulling-on piece injection moulding line's cutting device.

Background

In the traditional injection molding process, the zipper pull injection mold can only carry out zipper pull injection molding on one zipper puller at a time, and the efficiency is low. In order to improve the production efficiency, a plurality of manufacturers improve the zipper-pull injection mold, so that the zipper-pull injection mold can simultaneously inject the zipper pulls of a plurality of zipper sliders, and an automatic production line for injection molding of the zipper pulls is formed in order to further improve the production efficiency.

The production process adopted by the automatic production line for the injection molding of the pulling piece mainly comprises the following steps: the zipper head is firstly transmitted to the zipper pull injection mold, then the zipper pull injection mold is transmitted to injection molding equipment to complete the injection molding operation of the zipper pull to form a zipper injection molding group, and the operations of demolding, cutting and the like are completed after the injection molding. And how to efficiently, accurately and reliably cut the zipper head from the zipper injection molding set is a crucial step.

However, most of cutting devices in the existing zipper-pull injection automatic production line have the problems of low working efficiency, low cutting precision, high defective rate and the like, and need to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pulling-on piece injection moulding line's cutting device, its main aim at overcomes above-mentioned defect to improve cutting device's work efficiency, cutting accuracy in the pulling-on piece automation line that moulds plastics, reduce the defective percentage.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a cutting device of a zipper pull injection molding production line comprises a cutting mechanism and a sliding seat, wherein a zipper injection molding set which is completed by injection molding can be erected on the sliding seat and can move back and forth along the sliding seat, the cutting mechanism can cut the zipper injection molding set into a plurality of formed zipper heads and injection molding pieces,

the pushing mechanism can push the zipper injection molding group erected on the sliding seat to move to the fixed-distance guide mechanism;

the distance guide mechanism can be in butt joint with the zipper injection molding group to drive the zipper injection molding group to move towards the cutting mechanism, and a plurality of connecting parts which are continuously distributed at equal intervals from front to back and are used for connecting and forming zipper sliders and injection molding parts in the zipper injection molding group can enter a cutting station of the cutting mechanism in sequence to be cut.

Further, the distance guide mechanism comprises a rotary driving component, a gear set and a rotary piece, wherein the gear set is connected to the transmission end of the rotary driving component and is used for driving the rotary piece to rotate; a plurality of clamping blocks are arranged on the outer peripheral side of the rotating sheet in an annular array; the fixture blocks can be inserted into gaps between two adjacent connecting parts, and two fixture blocks which are arranged in a front-back continuous mode can be inserted into two gaps which are distributed in a front-back continuous mode sequentially and respectively under the driving of the rotary driving assembly.

Furthermore, the distance guide mechanism further comprises a gear support table, the rotary driving component is a servo motor, the gear set comprises a first gear and a second gear, the first gear is fixedly arranged at the transmission end of the servo motor, and the second gear is rotatably arranged on the gear support table and meshed with the first gear; the rotating piece is fixedly arranged on the second gear and is coaxially arranged with the second gear.

Furthermore, the sliding seat comprises a supporting table and two guide rails, the two guide rails are arranged on the upper side of the supporting table in parallel, a tooth passing channel is formed between the two guide rails, and the zipper injection molding group can be erected on the two guide rails to move back and forth; the upper part of the rotating piece extends into the tooth passing channel so that the clamping block can be inserted into the gap.

Furthermore, the pushing mechanism comprises a transverse cylinder, a pushing block connected with the transmission end of the transverse cylinder and a pushing rod, and the transverse cylinder is fixedly arranged on the supporting table; the push block is embedded on the support table in a front-back sliding manner, and the push rod is fixedly connected with the push block; the push block can drive the push rod to move to one end part of the push rod to be abutted against the zipper injection molding group so as to push the zipper injection molding group to move.

Furthermore, the cutting mechanism comprises a cutting fixing seat, a longitudinal cylinder, a first cutter set and a second cutter set, wherein the first cutter set is connected to the transmission end of the longitudinal cylinder, and the second cutter set is fixedly arranged on the cutting fixing seat; the knife edges of the first knife group and the second knife group are vertically corresponding, and a gap between the knife edges of the first knife group and the second knife group is a cutting station; the longitudinal cylinder can drive the first cutter set to move until the cutter edge of the first cutter set is contacted with the cutter edge of the second cutter set.

Further, the width of the cutting station is substantially the same as the thickness of the connecting portion.

Further, still draw zipper head holding tank and injection molding spout including the shaping, the zip fastener group of moulding plastics quilt it draws zipper head to fall into to cut the shaping that the mechanism formed after cutting in the shaping draws zipper head holding tank, the zip fastener group of moulding plastics quilt it cuts the injection molding that the mechanism formed after cutting and can fall into in the injection molding spout.

Furthermore, an arc-shaped guide piece is arranged on the forming zipper head accommodating groove in an assembled mode, and the upper end of the arc-shaped guide piece extends towards the cutting station, so that a forming zipper head formed after the zipper injection molding group is cut by the cutting mechanism can fall into the forming zipper head accommodating groove along the arc-shaped guide piece.

Further, the injection molding spout with the slide is located respectively cut the mechanism around both sides, this injection molding spout extends to cut the station, so that the injection molding can be along this injection molding spout landing.

Compared with the prior art, the utility model discloses the beneficial effect who produces lies in:

the utility model has the advantages of simple structure and strong practicability, through setting up pushing mechanism and distance guiding mechanism for the zip fastener is moulded plastics and is organized through other devices and convey to the slide back on, pushing mechanism can mould plastics the group with the zip fastener on the slide earlier and promote to distance guiding mechanism department, and distance guiding mechanism moulds plastics the group with the zip fastener again and sends into the cutting station that cuts the mechanism according to predetermined speed and cut in order of sequence, thereby makes each connecting portion that the zip fastener was moulded plastics on the group and can both be cut by accurately, draws zipper head in order to obtain required shaping.

Drawings

Fig. 1 is the utility model discloses in pulling-on piece injection moulding line's structural schematic diagram.

Fig. 2 is a schematic structural view of the cutting device of the present invention when it is engaged with the demolding device.

Fig. 3 is a schematic structural view of the cutting device of the present invention.

Fig. 4 is a schematic view of the split structure of the cutting device of the present invention.

Fig. 5 is a schematic structural view of the zipper injection molding unit of the present invention.

Fig. 6 is a schematic structural view of the zipper head blanking device of the present invention.

Fig. 7 is a first diagram of the split structure of fig. 6.

FIG. 8 is a schematic view of the slider pulling assembly of FIG. 7 pushing the slider hooking assembly.

Fig. 9 is a second diagram of the split structure of fig. 6.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Reference is made to fig. 1-9. An injection molding production line for zipper pulls of zipper sliders comprises injection molding equipment 1, a zipper slider blanking device 2, a demolding device 3, a cutting device 4, an injection mold 5 and a transmission device 6,

the zipper head blanking device 2 can convey the zipper heads 100 to be injection-molded to the direction of the injection mold 5, and clamp the zipper heads 100 to be injection-molded on the injection mold 5 in sequence;

the injection mold 5 is arranged on the transmission device 6 in a sliding manner, and the front side and the rear side of the transmission device 6 respectively extend to the zipper puller blanking device 2 and the injection molding equipment 1, so that the injection mold 5 can receive the zipper puller 100 to be injection-molded at the zipper puller blanking device 2 and can slide to the injection molding equipment 1 to injection-mold the zipper puller 100 to be injection-molded into the zipper injection molding group 200;

the demolding device 3 is arranged between the injection molding equipment 1 and the zipper puller discharging device 2, and can grab the zipper injection molding group 200 sliding to the injection mold 5 between the injection molding equipment 1 and the zipper puller discharging device 2 to the cutting device 4, and the cutting device 4 and the transmission device 6 are arranged adjacently left and right;

the cutting device 4 can automatically cut the zipper injection molding set 200 into a plurality of molded zipper sliders 400 and injection-molded articles 300.

The zipper-pull injection production line has the advantages that the enough distance is reserved between the zipper-pull blanking device 2 and the injection equipment 1, the operation safety of the production line is improved, and the production efficiency is higher compared with that of the traditional zipper-pull injection production line; in addition, because the demoulding device 3 is positioned between the injection molding equipment 1 and the zipper head blanking device 2, the distance between the cutting device 4 and the injection molding equipment 1 can be reduced, so that the length of the whole zipper piece injection molding production line in the front-back direction is reduced, namely, the occupied space required by the production line is reduced.

In particular, the method of manufacturing a semiconductor device,

refer to fig. 1. The transmission device 6 includes a first linear guide 61 arranged along the front-back direction, the injection mold 5 is mounted on the first linear guide 61 in a front-back sliding manner, and a plurality of zipper head clamping positions 51 are spaced along the front-back direction on the upper side of the injection mold 5, and the first linear guide 61 can drive the injection mold 5 to move to any zipper head clamping position 51 opposite to the lower discharge end 201 of the zipper head discharging device 2. Wherein the content of the first and second substances,

the number of the zipper head blanking devices 2 is two, and the zipper head blanking devices are symmetrically arranged in the left and right direction; the left and right sides of the injection mold 5 are provided with a plurality of zipper head clamping positions 51 arranged at intervals along the front-back direction, so that the two zipper head blanking devices 2 can simultaneously convey the zipper heads 100 to be injected to the injection mold 5. When injection molding is performed in the injection molding device 1, two zipper sliders 100 to be injection molded on the two zipper slider blocking positions 51 which are symmetrical left and right can be injection molded together, and two zipper sliders 100 to be injection molded on the two zipper slider blocking positions 51 which are adjacent in the front and back can also be injection molded together, so that an integral zipper injection molding group 200 is formed.

Refer to fig. 1 and 2. The demoulding device 3 comprises a lifting mechanism 31, a left-right traversing mechanism 32 and a grabbing mechanism 33, wherein the lifting mechanism 31 is used for driving the left-right traversing mechanism 32 to move up and down, and the left-right traversing mechanism 32 is used for driving the grabbing mechanism 33 to move left and right; the gripping mechanism 33 can grip the zipper injection unit 200 on the injection mold 5 and can release the zipper injection unit 200 thereon onto the slide 42 of the cutting device 4. Wherein the content of the first and second substances,

the lifting mechanism 31 is a lifting cylinder, the left and right traversing mechanism 32 is a linear slide rail arranged along the left and right direction, the grabbing mechanism 33 comprises two cylinders 331 arranged oppositely and two groups of contact pins 332, and the two groups of contact pins 332 are respectively arranged on the two cylinders 331. When in use, 1, the lifting mechanism 31 drives the left and right transverse moving mechanism 32 to descend to a proper position, and the two cylinders 331 drive the two groups of contact pins 332 to move oppositely to the zipper injection group 200 inserted into the injection mold 5; 2. the lifting mechanism 31 drives the left and right traversing mechanism 32 to ascend, and the zipper injection molding set 200 ascends along with the ascending; 3. the left-right transverse moving mechanism 32 drives the grabbing mechanism 33 to transversely move above the sliding seat 42; 4. the lifting mechanism 31 drives the left and right transverse moving mechanism 32 to descend until the zipper injection molding set 200 is erected on the upper side of the sliding seat 42; 5. the two cylinders 331 drive the two groups of contact pins 332 to move back to leave the zipper injection molding group 200; 6. the elevating mechanism 31 returns to the original position, and the left and right traversing mechanisms 32 return to the original position.

Refer to fig. 1, 2, 3, 4, and 5. The cutting device 4 comprises a cutting mechanism 41, a slide seat 42, a pushing mechanism 43, a distance guiding mechanism 44, a formed zipper head accommodating groove 45 and an injection molding slide groove 46, the injection molded zipper injection molding set 200 can be erected on the slide seat 42 and can move back and forth along the slide seat 42, the cutting mechanism 41 can cut the zipper injection molding set 200 into a plurality of formed zipper heads 400 and injection molding 300,

the pushing mechanism 43 can push the zipper injection molding set 200 erected on the sliding seat 42 to move to the distance guiding mechanism 44;

the distance guide mechanism 44 can be abutted with the zipper injection molding set 200 to drive the zipper injection molding set 200 to move towards the cutting mechanism 41, and can enable a plurality of connecting parts 500 which are continuously distributed at equal intervals from front to back and are used for connecting the formed zipper head 400 and the injection molding 300 in the zipper injection molding set 200 to enter the cutting station 410 of the cutting mechanism 41 in sequence for cutting.

The utility model discloses a set up pushing mechanism 43 and distance guiding mechanism 44, make the zip fastener group 200 of moulding plastics through shedder 3 convey to slide 42 on the back, pushing mechanism 43 can mould plastics group 200 with the zip fastener on the slide 42 earlier and promote to distance guiding mechanism 44 department, distance guiding mechanism 44 sends into the cutting station 410 that cuts mechanism 41 with the zip fastener group 200 of moulding plastics according to predetermined speed again and cuts in order of sequence, thereby make each connecting portion 500 on the zip fastener group 200 of moulding plastics can both be accurately cut, in order to obtain required shaping zipper head 400.

Wherein the content of the first and second substances,

the distance guiding mechanism 44 comprises a rotary driving assembly 441, a gear set 442 and a rotary sheet 443, wherein the gear set 442 is connected to a transmission end of the rotary driving assembly 441, and the gear set 442 is used for driving the rotary sheet 443 to rotate; a plurality of fixture blocks 4431 are arranged on the outer periphery of the rotating sheet 443 in an annular array; the latch 4431 can be inserted into the gap 501 between two adjacent connecting parts 500, and two successively arranged latch 4431 can be sequentially inserted into two successively arranged gaps 501 in sequence under the driving of the rotary driving assembly 441.

In addition, the distance guiding mechanism 44 further includes a gear supporting platform 444, the rotation driving component 441 is a servo motor, the gear set 442 includes a first gear 4421 and a second gear 4422, the first gear 4421 is fixedly installed at the transmission end of the servo motor, and the second gear 4422 is rotatably installed on the gear supporting platform 444 and meshed with the first gear 4421; the rotating plate 443 is fixedly installed on the second gear 4422 and is disposed coaxially with the second gear 4422. In this embodiment, since the molded sliders 400 are symmetrically connected to both left and right sides of the injection-molded body 300 of the zipper injection molding set 200, the number of the rotary pieces 443 is two, and the rotary pieces are symmetrically connected to both left and right sides of the second gear 4422.

The slide carriage 42 comprises a support table 421 and two guide rails 422, the two guide rails 422 are arranged on the upper side of the support table 421 in parallel, a tooth passing channel 423 is formed between the two guide rails 422, and the zipper injection molding set 200 can be erected on the two guide rails 422 to move back and forth; an upper portion of the rotation piece 443 extends into the tooth passage 423 to allow the latch 4431 to be inserted upward into the gap 501.

The pushing mechanism 43 comprises a transverse cylinder 431, a pushing block 432 connected with the transmission end of the transverse cylinder 431 and a pushing rod 433, and the transverse cylinder 431 is fixedly arranged on the supporting table 421; the push block 432 is embedded on the support table 421 in a manner of sliding back and forth, and the push rod 433 is fixedly connected with the push block 432; the pushing block 432 can drive the pushing rod 433 to move to an end of the pushing rod 433 to abut against the zipper injection molding set 200, so as to push the zipper injection molding set 200 to move.

The cutting mechanism 41 includes a cutting fixing seat 411, a longitudinal cylinder 412, a first knife set 413, and a second knife set 414, wherein the first knife set 413 is connected to a transmission end of the longitudinal cylinder 412, and the second knife set 414 is fixedly mounted on the cutting fixing seat 411; the edges of the first knife group 413 and the second knife group 414 are vertically corresponding, and the gap between the edges of the first knife group 413 and the second knife group 414 is the cutting station 410; the longitudinal cylinder 412 can drive the first cutter set 413 to move until the cutting edges of the first cutter set 413 are contacted with the cutting edges of the second cutter set 414.

The width of the cutting station 410 is substantially the same as the thickness of the connecting part 500, or the width of the cutting station 410 is slightly larger than the thickness of the connecting part 500, so as to improve the stability during cutting.

The formed zipper head 400 formed after the zipper injection group 200 is cut by the cutting mechanism 41 can fall into the formed zipper head accommodating groove 45, the formed zipper head accommodating groove 45 is provided with the arc-shaped guide piece 451, and the upper end of the arc-shaped guide piece 451 extends towards the cutting station 410, so that the formed zipper head 400 formed after the zipper injection group 200 is cut by the cutting mechanism 41 can fall into the formed zipper head accommodating groove 45 along the arc-shaped guide piece 451.

The injection molding 300 formed by cutting the zipper injection molding set 200 by the cutting mechanism 41 can fall into the injection molding sliding groove 46, the injection molding sliding groove 46 and the sliding seat 42 are respectively positioned at the front side and the rear side of the cutting mechanism 41, and the injection molding sliding groove 46 extends to the cutting station 410, so that the injection molding 300 can slide along the injection molding sliding groove 46.

When in use, firstly, the demoulding device 3 conveys the zipper injection molding group 200 to the upper side of the sliding seat 42; specifically, the connecting part 500 is placed on the upper sides of the two guide rails 422 of the sliding seat 42, and meanwhile, the connecting part 500 in the zipper injection molding group 200 is positioned above the tooth passing channel 423 between the two guide rails 422;

secondly, the pushing mechanism 43 is started to push the zipper injection molding set 200 on the sliding seat 42 to the distance guiding mechanism 44; specifically, the transverse cylinder 431 drives the push rod 433 to abut against one end of the injection molding piece 300 in the zipper injection molding set 200, and then continues to push to the distance guide mechanism 44;

thirdly, the fixed-distance guide mechanism 44 is started, the zipper injection molding set 200 is sent to the cutting station 410 of the cutting mechanism 41 according to the preset speed to be cut in sequence, and the required formed zipper head 400 is obtained; specifically, the driving assembly 441 drives the gear set 442 to operate, so that the second gear 4422 in the gear set 442 drives the rotating piece 443 to rotate, and after the rotating piece 443 rotates, the two fixture blocks 4431 continuously arranged in the front-back direction on the rotating piece 443 can be inserted into the two gaps 501 continuously arranged in the front-back direction, respectively, so that the plurality of connecting parts 500 continuously arranged in the front-back direction and distributed at equal intervals in the zipper injection molding set 200 enter the cutting station 410 of the cutting mechanism 41 in sequence to be cut;

fourthly, the molded zipper head 400 formed by cutting the zipper injection molding set 200 by the cutting mechanism 41 falls into the molded zipper head accommodating groove 45, and the injection molding piece 300 formed by cutting falls into the injection molding piece sliding groove 46.

Refer to fig. 1, 6, 7, 8, and 9. The zipper head blanking device 2 comprises a zipper head vibration disc 21, a zipper head slide rail 22 and a zipper head transmission mechanism 23, wherein an upper feeding end 202 of the zipper head slide rail 22 is connected with the zipper head vibration disc 21, a lower discharging end 201 corresponds to the position of the injection mold 5, and the zipper head transmission mechanism 23 can transmit a zipper head 100 (namely the zipper head 100 to be injected) positioned at the lower discharging end 201 of the zipper head slide rail to the injection mold 5; the slider sliding rail 22 comprises a sliding groove 221 and two sliding pieces 222 covered on the sliding groove 221, and when the slider 100 is conveyed on the slider sliding rail 22, the lower board of the slider 100 is accommodated between the sliding groove 221 and the two sliding pieces 222; the upper deck of the slider 100 is located above the two sliders 222; the connecting post of the slider 100 is located between two sliders 222. Through setting up two gleitbretters 222 that the lid was established on spout 221 for pull head 100 leaves pull head vibration dish 21 after, can slide along two gleitbretters 222, and it compares and seals the pull head in the technology that conveys in the guide rail in the tradition, has showing the smooth degree that has improved the pull head conveying, has reduced the probability that the pull head blocked in the guide rail, and the user can know directly perceivedly whether the pull head conveys smoothly, thereby can discover the trouble as early as possible. The concrete structure is as follows,

refer to fig. 1, 6, 7, 8, and 9. The sliding piece 222 includes an inclined portion 2221, a horizontal portion 2222, and an arc portion 2223, wherein the upper end of the inclined portion 2221 is connected to the slider vibration plate 21, and the lower end is transitionally connected to the horizontal portion 2222 through the arc portion 2223. In use, after the slider in the slider vibration plate 21 is conveyed to the inclined portion 2221, the slider slides down along the inclined portion 2221 to the arc portion 2223, and then slides down along the arc portion 2223 to be erected on the horizontal portion 2222.

The two sliding pieces 222 are parallel to each other, and a channel 2224 for the connecting column of the slider 100 to pass through is formed between the two sliding pieces 222, i.e. the connecting column of the slider 100 can slide down along the channel 2224.

Refer to fig. 1, 6, 7, 8, and 9. The slider conveying mechanism 23 comprises a slider hooking component 231 and a slider pulling component 232, and the slider pulling component 232 is in transmission control connection with the slider hooking component 231 so as to drive the slider hooking component 232 to move back and forth between the lower discharging end 201 of the slider slide rail 22 and the injection mold 5; the slider hooking component 231 can be inserted into the slider 100 at the lower discharging end 201 of the slider sliding rail 22 to push the slider from the lower discharging end 201 to the injection mold 5. In the specific design, the first linear guide rail 61 can drive the injection mold 5 to move to any one of the zipper head clamping positions 51 opposite to the lower discharging end 201, and the distance between the zipper head clamping position 51 and the lower discharging end 201 should be designed to be about 1cm, so that the slider hooking component 231 can pull the slider 100 from the lower discharging end 201 to the zipper head clamping position 51 of the injection mold 5. The clamping device in the traditional zipper piece injection production line needs to clamp and clamp the zipper head and then moves to the position where the zipper head is clamped on an injection mold, so that the space between the clamping position of the zipper head and the lower discharge end of the injection mold is generally designed to be 3-5cm, and the design of the scheme can further reduce the space occupied by the production line.

The slider pulling assembly 232 comprises a first lifting cylinder 2321, a fixed seat 2322 and a first inclined slider 2323, and the slider hooking assembly 231 comprises a second inclined slider 2311; the first inclined sliding block 2323 is longitudinally slidably embedded in the fixed seat 2322, the upper end of the first inclined sliding block 2323 is connected with the driving end of the first lifting cylinder 2321, and the lower end of the first inclined sliding block 2323 is provided with a lower inclined surface 2324; the second inclined slider 2311 is embedded in the fixed seat 2322 in a transverse sliding manner, and the second inclined slider 2311 is provided with a side inclined surface 2316 which is abutted against the lower inclined surface 2324; a horizontally arranged spring (not shown) is further connected between the slider hooking component 231 and the fixed seat 2322, and when the slider hooking component is specifically designed, the spring is connected between the fixed seat 2322 and the positioning block 2312/the second inclined slider 2311.

The slider hooking component 231 further comprises a positioning block 2312 arranged on the second inclined slider 2311, a second lifting cylinder 2313 arranged on the positioning block 2312 and an inserting rod 2314, the upper end of the inserting rod 2314 is connected with the driving end of the second lifting cylinder 2313, the lower end of the inserting rod 2314 can be inserted into the slider 100 positioned at the lower discharging end 201 of the slider sliding rail 22, a longitudinal sliding hole 2315 is formed in the positioning block 2312, and the inserting rod 2314 can be embedded into the longitudinal sliding hole 2315 in a vertically sliding mode, so that the accuracy of inserting the inserting rod 2314 into the slider is improved, the stress of the inserting rod 2314 is reduced, and the service life of the slider hooking component is prolonged. In this embodiment, the specific insertion position of the insert bar 2314 is located in a pull tab pull ring on the upper side of the upper deck of the slider 100, and when the slider pulling assembly 232 drives the slider hooking assembly 231 to move transversely, the insert bar 2314 can apply force to the pull tab pull ring, so as to pull the slider 100 to the injection mold 5.

The slider transfer mechanism 23 is used in the following steps: 1. the slider hooking assembly 231 is started, and the second lifting cylinder 2313 drives the insert rod 2314 to descend until the insert rod is inserted into the slider 100; 2. the slider pulling assembly 232 is started, the first lifting cylinder 2321 drives the first inclined slider 2323 to descend along the fixed seat 2322, so that the lower inclined surface 2324 of the first inclined slider 2323 acts on the side inclined surface 2316 of the second inclined slider 2311, the second inclined slider 2311 moves transversely along the fixed seat 2322, and the positioning block 2312 arranged on the second inclined slider 2311 drives the second lifting cylinder 2313 to move transversely until the slider 100 is clamped in the slider clamping position 51 of the injection mold 5; 3. the second lifting cylinder 2313 drives the insert rod 2314 to ascend and return to the original position so as to leave the slider 100; 4. the first lifting cylinder 2321 drives the first inclined slider 2323 to ascend and return to the original position, and the second inclined slider 2311 returns to the original position under the action of the spring.

Refer to fig. 1, 6, 7, 8, and 9. The lower discharging end 201 of the slider sliding rail 22 is further provided with an elastic limiting mechanism 24, the slider 100 sliding to the lower discharging end 201 can be constrained at the elastic limiting mechanism 24, and the slider conveying mechanism 23 can drive the slider 100 to leave the elastic limiting mechanism 24. Wherein the content of the first and second substances,

the elastic limiting mechanism 24 includes two stoppers 241 respectively connected to the lower discharging end 201 by elastic members (not shown), and the slider 100 sliding down to the lower discharging end 201 can be restrained between the two stoppers 241.

More specifically, the slider rail 22 further includes two guide blocks 223 fixedly mounted on the upper sides of the two sliding pieces 222, respectively, the two stoppers 241 are slidably embedded on the two guide blocks 223 through elastic members, respectively, and the slider 100 can slide to the upper board between the two guide blocks 223. The opposite sides of the two stoppers 241 are respectively matched with the two sides of the boarding plate of the slider 100, so that when the slider slides to a position between the two stoppers 241, the slider can be just blocked by the two stoppers 241, then the slider hooking component 231 descends to a position where the slider 100 is inserted, the slider pulling component 232 starts to pull the slider, the two stoppers 241 are pushed to separate towards the two sides, the slider 100 is separated from the elastic limiting mechanism 24, and after the slider 100 moves to the injection mold 5, the two stoppers 241 return to the original state to restrain the next slider which is conveyed to the lower discharging end 201.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims (10)

1. The utility model provides a pulling-on piece injection moulding line's cutting device, is including cutting mechanism, slide, and the zip fastener of completion of moulding plastics group can erect on the slide and can be along this slide back-and-forth movement, it can cut into a plurality of shaping zipper head and injection molding, its characterized in that to cut the mechanism with the zip fastener group of moulding plastics: also comprises

The pushing mechanism can push the zipper injection molding group erected on the sliding seat to move to the fixed-distance guide mechanism;

the distance guide mechanism can be in butt joint with the zipper injection molding group to drive the zipper injection molding group to move towards the cutting mechanism, and a plurality of connecting parts which are continuously distributed at equal intervals from front to back and are used for connecting and forming zipper sliders and injection molding parts in the zipper injection molding group can enter a cutting station of the cutting mechanism in sequence to be cut.

2. The cutting device of an injection molding line for pull tabs according to claim 1, wherein: the distance guide mechanism comprises a rotary driving component, a gear set and a rotating piece, the gear set is connected to the transmission end of the rotary driving component, and the gear set is used for driving the rotating piece to rotate; a plurality of clamping blocks are arranged on the outer peripheral side of the rotating sheet in an annular array; the fixture blocks can be inserted into gaps between two adjacent connecting parts, and two fixture blocks which are arranged in a front-back continuous mode can be inserted into two gaps which are distributed in a front-back continuous mode sequentially and respectively under the driving of the rotary driving assembly.

3. The cutting device of an injection molding line for pull tabs according to claim 2, wherein: the fixed-distance guide mechanism further comprises a gear support table, the rotary driving component is a servo motor, the gear set comprises a first gear and a second gear, the first gear is fixedly arranged at the transmission end of the servo motor, and the second gear is rotatably arranged on the gear support table and meshed with the first gear; the rotating piece is fixedly arranged on the second gear and is coaxially arranged with the second gear.

4. The cutting device of an injection molding line for pull tabs according to claim 2, wherein: the slide seat comprises a support table and two guide rails, the two guide rails are arranged on the upper side of the support table in parallel, a tooth passing channel is formed between the two guide rails, and the zipper injection molding group can be erected on the two guide rails to move back and forth; the upper part of the rotating piece extends into the tooth passing channel so that the clamping block can be inserted into the gap.

5. The cutting device of an injection molding line for pull tabs according to claim 4, wherein: the pushing mechanism comprises a transverse cylinder, a pushing block connected with a transmission end of the transverse cylinder and a pushing rod, and the transverse cylinder is fixedly arranged on the supporting table; the push block is embedded on the support table in a front-back sliding manner, and the push rod is fixedly connected with the push block; the push block can drive the push rod to move to one end part of the push rod to be abutted against the zipper injection molding group so as to push the zipper injection molding group to move.

6. The cutting device of an injection molding line for pull tabs according to claim 1, wherein: the cutting mechanism comprises a cutting fixing seat, a longitudinal cylinder, a first cutter set and a second cutter set, wherein the first cutter set is connected to the transmission end of the longitudinal cylinder, and the second cutter set is fixedly arranged on the cutting fixing seat; the knife edges of the first knife group and the second knife group are vertically corresponding, and a gap between the knife edges of the first knife group and the second knife group is a cutting station; the longitudinal cylinder can drive the first cutter set to move until the cutter edge of the first cutter set is contacted with the cutter edge of the second cutter set.

7. The cutting device of an injection molding line for pull tabs according to claim 6, wherein: the width of the cutting station is substantially the same as the thickness of the connecting portion.

8. The cutting device of an injection molding line for pull tabs according to claim 1, wherein: still draw zipper head holding tank and injection molding spout including the shaping, the zip fastener group of moulding plastics quilt cut the shaping that the mechanism formed after cutting and draw zipper head to fall into in the shaping draws zipper head holding tank, the zip fastener group of moulding plastics quilt cut the injection molding that the mechanism formed after cutting and can fall into in the injection molding spout.

9. The cutting device of an injection molding line for pull tabs according to claim 8, wherein: the forming zipper head accommodating groove is provided with an arc-shaped guide piece, and the upper end of the arc-shaped guide piece extends towards the cutting station, so that a formed zipper head formed after the zipper injection molding group is cut by the cutting mechanism can fall into the forming zipper head accommodating groove along the arc-shaped guide piece.

10. The cutting device of an injection molding line for pull tabs according to claim 8, wherein: the injection molding spout with the slide is located respectively cut the front and back both sides of mechanism, this injection molding spout extends to cut the station, so that the injection molding can be along this injection molding spout landing.

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