CN210382906U

CN210382906U - Zipper dragging mechanism

Info

Publication number: CN210382906U
Application number: CN201921010547.4U
Authority: CN
Inventors: 段军
Original assignee: Guangzhou Zhenyu Zipper Machines Co ltd
Current assignee: Guangzhou Zhenyu Zipper Machines Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-24
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a zipper dragging mechanism, which comprises a driving motor, a rotating main shaft, an eccentric wheel, a dragging belt ring, a dragging driving wheel shaft, a dragging driving wheel, a belt pressing wheel shaft and a belt pressing wheel, wherein the driving motor is used for driving the rotating main shaft to rotate, and the eccentric wheel is fixedly arranged on the rotating main shaft; one end of the towing driving wheel shaft penetrates through the towing driving wheel and is fixedly connected with the towing driving wheel, and the towing belt ring is fixedly connected with the other end of the towing driving wheel shaft; one end of the pinch roller shaft penetrates through the pinch roller and is fixedly connected with the pinch roller; the other end of the pinch roller shaft is movably connected with the frame body; the eccentric wheel cover is established in the traction ring, the utility model discloses the adjustment pinch roller that can be very nimble and the distance between the traction action wheel to simple structure, convenience.

Description

Zipper dragging mechanism

Technical Field

The utility model relates to a zip fastener equipment field especially relates to a zip fastener drive mechanism.

Background

The slide fastener is a coupling member for coupling or separating articles by means of the continuously arranged coupling elements, and the existing slide fasteners are widely used for clothes, bags, tents, and the like. Zippers are generally comprised of two fastener strips each having a row of metal or plastic teeth for engaging the edge of an opening (e.g., a garment or bag mouth), with a slider (slider) for pulling the two rows of teeth into an interlocked position to close the opening. Therefore, a zipper grain tooth assembly machine is needed to assemble the zipper teeth on the zipper cloth belt, and the zipper grain tooth assembly machine is provided with a dragging mechanism.

Chinese utility model 201420330177.3 discloses a Y-teeth zipper tooth arrangement machine wire feeding and dragging mechanism, which comprises an eccentric wheel, a wire feeding mechanism and a dragging mechanism, wherein the eccentric wheel is mounted on a main shaft of the tooth arrangement machine, the main shaft of the tooth arrangement machine drives the eccentric wheel to rotate, the eccentric wheel and the main shaft of the tooth arrangement machine are eccentrically arranged, the wire feeding mechanism and the dragging mechanism are respectively arranged at two sides of the eccentric wheel and connected with the eccentric wheel, the wire feeding mechanism comprises a wire feeding connecting rod seat, a wire feeding connecting rod, a wire feeding bearing seat, a wire feeding swing and a wire feeding ratchet wheel, and the dragging mechanism comprises a dragging connecting rod seat, a dragging connecting rod, a dragging swing and a dragging; above-mentioned utility model adopts the spring to tighten up the tow rubber tyer, unable wider adjustment tow rubber tyer and the distance between the tow axle.

Chinese utility model patent 201020623240.4: the device comprises a chassis flat plate, wherein a horizontal main shaft is arranged on the bottom surface of the chassis flat plate, a belt pulley is arranged at one end of the main shaft, an eccentric wheel is arranged in the middle section of the main shaft, an idler wheel is arranged at the other end of the main shaft, an eccentric sleeve is further arranged on the eccentric wheel, and a guide rod seat is arranged on the eccentric sleeve; the lower die holder is fixed on the case flat plate and is provided with a lower die holder through hole; the bottom of the upper die base is provided with a front guide rod, and the front guide rod penetrates through the through hole of the lower die base and is connected with the guide rod base; the towing rack is fixed on the case flat plate; the towing wheel seat is fixed at the top of the towing frame, a transmission gear is arranged at the rear end of the towing wheel seat, a cloth belt shaft coaxially linked with the transmission gear is arranged at the front end of the towing wheel seat, a towing wheel is arranged on the cloth belt shaft, a rotary arm coaxial with the transmission gear is further arranged on the towing wheel seat, and a shifting block meshed with the transmission gear is arranged at one end of the rotary arm; and the lever is pivoted on the side surface of the towing belt frame, one end of the lever is connected with the upper die base through a connecting rod, and the other end of the lever is connected with the other end of the rotating arm through another connecting rod. Above-mentioned utility model structure is complicated, can't adjust the distance between tow band pulley and the tow band pulley next door pinch roller.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a zip fastener towing mechanism, simple structure, through will the other end and the frame body swing joint of pinch roller axle, the adjustment pinch roller that can be very nimble and the distance between the drive wheel of towing, main content is as follows:

the belt pressing device comprises a driving motor, a rotating main shaft, an eccentric wheel, a belt dragging ring, a belt dragging driving wheel shaft, a belt dragging driving wheel, a belt pressing wheel shaft and a belt pressing wheel, wherein the driving motor is used for driving the rotating main shaft to rotate, and the eccentric wheel is fixedly arranged on the rotating main shaft; one end of the towing driving wheel shaft penetrates through the towing driving wheel and is fixedly connected with the towing driving wheel, and the towing belt ring is connected with the other end of the towing driving wheel shaft; one end of the pinch roller shaft penetrates through the pinch roller and is fixedly connected with the pinch roller; the other end of the pinch roller shaft is movably connected with the frame body; the eccentric wheel is sleeved in the towing ring, and the pinch roller and the towing driving wheel tightly press the zipper cloth belt.

Preferably, a connecting rod is arranged on the periphery of the towing belt ring, the connecting rod is perpendicular to the ground, and the connecting rod is connected with the other end of the towing driving wheel shaft. So that a certain height difference exists between the rotating main shaft and the driving towing wheel.

Preferably, the towing mechanism further comprises a towing swing arm, the towing swing arm is rotatably connected with the other end of the towing driving wheel shaft, a swing arm connecting rod is arranged on the towing swing arm, a through groove is arranged on the swing arm connecting rod, and the through groove extends along the length direction of the swing arm connecting rod; the connecting rod is provided with a flat shaft, and the flat shaft can slide on the through groove.

Preferably, a nut is provided at an end of the flat shaft. When the flat shaft slides on the through groove, the flat shaft is not easy to slide out of the through groove.

Preferably, the pinch roller shaft is swingable in a horizontal direction. Before the machine normally runs, the zipper cloth belt is covered on the driving wheel, the position of the pinch roller in the horizontal direction is manually adjusted, the pinch roller is pressed on the zipper cloth belt on the driving wheel 45, and the zipper cloth belt is not easy to fall off from the driving wheel.

Preferably, the other end of the pinch roller shaft is provided with a sleeve ring, the sleeve ring is provided with a through hole, a pinch roller shaft fixing seat is arranged on the rack, an upright post is fixedly arranged on the pinch roller shaft fixing seat, and the sleeve ring is sleeved on the upright post and is in tight fit with the upright post.

Preferably, the other end of the pinch roller shaft is rotatably connected with the frame body. The rotation of the pinch roller shaft can be manual rotation or electric rotation.

Preferably, the towing mechanism further comprises a pinch cam, one end of the pinch roller shaft is fixedly connected with the pinch cam, and the pinch roller is sleeved on the pinch cam.

Preferably, the dragging mechanism further comprises a blanking structure, and the blanking structure is a blanking plate comprising a rectangular groove with an upward opening. This blanking structure makes the zip fastener strap of assembling granule tooth can be orderly fall to the blanking case of frame below in to prevent that the zip fastener strap of assembling granule tooth from in disorder pendulum and consequently disturbing the operation of zip fastener granule tooth assembly machine.

Preferably, the towing mechanism further comprises a first guide pulley, a second guide pulley, a third guide pulley and a fourth guide pulley; the first guide belt wheel, the second guide belt wheel, the third guide belt wheel and the fourth guide belt wheel are horizontally arranged, a tension detection device is arranged between the first guide belt wheel and the second guide belt wheel, and a knotting detection device is arranged between the second guide belt wheel and the third guide belt wheel.

The utility model has the advantages that:

the distance between the pinch roller and the dragging driving wheel can be flexibly adjusted by movably connecting the other end of the pinch roller shaft with the frame body, so that the zipper tape dragging device is suitable for dragging zipper tapes with different thicknesses, and is provided with a first guide pulley, a second guide pulley, a third guide pulley and a fourth guide pulley; first band guide wheel, second band guide wheel, third band guide wheel, fourth band guide wheel are the level setting be provided with tension detection device between first band guide wheel, the second band guide wheel, be provided with the detection device that knoes between second band guide wheel, the third band guide wheel, whether can real-time detection zip fastener strap have the knot, the utility model discloses a technical scheme simple structure, convenience.

Drawings

FIG. 1 is a structural diagram of the conveying device of the present invention;

FIG. 2 is a structural diagram of the feeding structure of the present invention;

fig. 3 is a structural view of an inlet guide rail part of the feeding structure of the present invention;

FIG. 4 is a structural diagram of the tooth-planting mechanism of the present invention;

FIG. 5 is a partial structural view of the tooth-implanting mechanism of the present invention;

FIG. 6 is a structural diagram of the vacancy sizing mechanism of the present invention;

FIG. 7 is a structural diagram of the forming slide block of the present invention;

FIG. 8 is a first directional view of the present invention towing mechanism;

FIG. 9 is a second directional view of the towing mechanism of the present invention;

FIG. 10 is a structural diagram of the particle teeth assembly machine for the double-point teeth zipper of the present invention;

FIG. 11 is a structural view of the rotating spindle of the present invention;

fig. 12 is an exploded view of the inlet guide rail portion of the present invention;

fig. 13 is a structural view of the vertical guide rail portion of the present invention;

fig. 14 is an exploded view of the vertical guide rail portion of the present invention;

FIG. 15 is a third directional view of the tow mechanism of the present invention.

The technical features indicated by the reference numerals in the drawings are as follows:

1. a conveying device; 11. a tooth separating disc; 12. a spiral tooth feeding groove; 2. a feeding structure; 21. an inlet guide rail portion; 22. a vertical guide rail portion; 23. a first tooth delivery socket; 24. a second tooth delivery socket; 25. positioning the projection; 26. a stopper; 27. an inlet guide track portion left sidewall; 28. an inlet guide rail portion right sidewall; 29. an inlet guide portion bottom wall; 210. vertical guide part front walls, 211, and vertical guide part bottom walls; 212. a vertical rail part connecting member; 3. a tooth planting mechanism; 31. forming a sliding block; 32. a side slider; 33. rotating the main shaft; 34. a first cam; 321. a left slider; 322. a right slide block; 35. a second cam; 36. a third cam; 37. a circular push block; 381. a left clamping foot push block; 382. a right foot clamping push block; 391. a left clamp leg; 392. a right clamping foot; 3101. a left clamping leg fixing seat; 3102. a right clamping foot fixing seat 311 and a driving motor; 4. a towing mechanism; 41. an eccentric wheel; 42. a tow band ring; 43. towing the swing arm; 44. dragging a driving wheel shaft; 45. a driving wheel is dragged; 46. a pinch roller shaft; 47. a pinch roller; 48. a first guide pulley; 49. a second guide pulley; 410. a third guide pulley; 411. a fourth guide pulley; 412. a fifth guide pulley; 413. a blanking plate; 414. a connecting rod; 415. a through groove; 416. a ratchet wheel; 417. a thorn sheet; 418. a brake wheel; 419. a brake band; 420. a ratchet piece seat; 5. a vacancy sizing mechanism; 51. an electromagnet; 52. an electromagnet push rod; 6. a handle;

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

a double-point tooth zipper particle tooth assembly machine comprises a conveying device 1, a feeding structure 2, a tooth planting mechanism 3 and a dragging mechanism 4; as shown in fig. 1, the conveying device 1 includes a tooth separating disc 11 and a spiral tooth feeding groove 12, the chain teeth are arranged into the spiral tooth feeding groove 12 through the tooth separating disc 11, and the spiral tooth feeding groove 12 is connected with the feeding structure 2. All chain teeth are all mixed and disorderly placed in circular bottom plate, along with the vibration of minute fluted disc 11, the chain tooth gets into the spiral and send the alveolus 12 in, the shape that the alveolus 12 was sent to the spiral is seted up according to the shape of chain tooth, the chain tooth gets into the spiral and send the alveolus 12 in all be orderly and inseparable range, if there is the chain tooth not orderly arrangement then can be squeezed into again and drop to circular bottom plate in, the chain tooth of orderly arrangement then follows the spiral and send the shape of alveolus 12 to remove until from the spiral upper end export of sending alveolus 12 to transmit to in the material feeding structure 2.

The feeding structure as shown in fig. 2 comprises an inlet guide rail part 21 and a vertical guide rail part 22, wherein the inlet guide rail part 21 is arc-shaped, preferably, the inlet guide rail part 21 is a quarter arc of a circle, a first tooth input groove 23 is arranged on the inlet guide rail part, a second tooth input groove 24 is arranged on the vertical guide rail part, the first tooth input groove 23 is arranged on the outer side of the inlet guide rail part 21, the inner side and the outer side of the inlet guide rail part 21 mean that the side facing the center of the inlet guide rail part 21 is the inner side, the side departing from the center of the circle is the outer side, the inner side and the outer side of the vertical guide rail part 22 are in the same direction as the inner side and the outer side of the inlet guide rail part 21, the second tooth input groove 24 is arranged on the inner side of the vertical guide rail 22, the first tooth input groove 23 is smoothly connected with the second tooth input groove 24, when the fastener tooth comes out from the outlet of the spiral feeding tooth groove 12 and then directly enters the upper end of the inlet guide rail part 21, as shown in fig. 3, positioning protrusions 25 are respectively disposed in the first tooth delivery socket 23 and the second tooth delivery socket 24, the positioning protrusions 25 enable the shapes of the first tooth delivery socket 23 and the second tooth delivery socket 24 to be matched with the shapes of the teeth, and the positioning protrusions 25 are matched with the grooves of the teeth for positioning, so that the tooth tops of the teeth are outward when the teeth are in the first tooth delivery socket 23 and the second tooth delivery socket 24, and are stably and orderly arranged, and the teeth can smoothly transit into the second tooth delivery socket 24 after going down from the first tooth delivery socket 23 and continue to move downward. The tooth transfer groove 23 of the tooth on the outer side of the inlet guide rail part 21 moves more gradually than the tooth on the inner side, and the orderly conveying of the tooth is facilitated. The first tooth conveying grooves 23 are further provided with two stop blocks 26, the two stop blocks 26 are symmetrically arranged, and the stop blocks 26 can block tooth tops of the zipper teeth, so that the orderly arrangement of the zipper teeth is facilitated. The placement state of the fastener elements in the first and

second fastener stringers

23, 24 is: the top of the tooth top of chain tooth is in on the dog 26, because the both sides of chain tooth all are provided with the bump in this application, consequently be the bump and the bump of adjacent chain tooth bump mutually, location arch 25 holds in the recess of chain tooth, has guaranteed like this that the location of chain tooth is accurate in whole transmission course, and the dislocation is not misplaced.

As shown in fig. 12, in the present embodiment, the inlet guide 21 includes an inlet guide left side wall 27, an inlet guide right side wall 28, and an inlet guide bottom wall 29; be provided with left side recess on the import guide rail portion left side wall 27 be provided with right side recess on the import guide rail portion right side wall 28, with import guide rail portion left side wall 27, import guide rail portion right side wall 28 and import guide rail portion diapire 29 fixed together, get left side recess and right side recess merge and form first defeated alveolus 23, the diapire stretches out form location arch 25 in the first defeated alveolus, such purpose is for the shaping of whole import guide rail portion of convenience, and the fixed mode of import guide rail portion left side wall 27, import guide rail portion right side wall 28 and import guide rail portion diapire 29 can be conventional fixed mode. The structure of the vertical rail part 22 is shown in fig. 13, the exploded view of the vertical rail part 22 is shown in fig. 14, and the vertical rail part 22 includes a vertical rail part front wall 210, a vertical rail part bottom wall 211, and a vertical rail part connecting member 212; a positioning protrusion 25 is arranged on the front wall 210 of the vertical guide rail part, the front wall 210 of the vertical guide rail part is a plane, the positioning protrusion 25 and the front wall 210 of the vertical guide rail part form a 90-degree angle, a bottom wall groove is arranged on the bottom wall 211 of the vertical guide rail part, and the front wall 210 of the vertical guide rail part and the bottom wall 211 of the vertical guide rail part are fixedly connected together, so that the positioning protrusion 25 is just accommodated in the middle of the bottom wall groove, thereby forming a second tooth input groove 24, and the fixing mode can be a conventional fixing mode; the purpose of this is to facilitate the forming of the whole vertical guide part 22, because the length of the whole vertical guide part 22 is long, the whole vertical guide part 22 is manufactured in segments and then connected, so the whole vertical guide part 22 is also provided with a vertical guide part connecting part 212, the vertical guide part connecting part 212 is provided with a vertical guide part connecting part groove, and the place where the tail end of one section of vertical guide part 22 is connected end to end with the front end of the other section of vertical guide part 22 is accommodated in the vertical guide part connecting part groove, thereby connecting the two sections of vertical guide parts 22.

As shown in fig. 4, the tooth planting mechanism 3 includes a forming slide block 31, a side slide block 32, a rotating main shaft 33, and a driving motor 311, wherein the rotating main shaft 33 and the driving motor 311 are driving mechanisms of the tooth planting mechanism of the present invention; the side slider comprises a left side slider 321 and a right side slider 322, the left and right are distinguished by taking the advancing direction of the forming slider as the main direction, a first cam 34, a second cam 35 and a third cam 36 are arranged on the rotating main shaft 33, and the first cam 34, the second cam 35 and the third cam 36 are all fixedly connected with the rotating main shaft 33. As shown in fig. 7, a left slider groove and a right slider groove are formed in the forming slider 31, the left slider 321 and the right slider 322 are respectively accommodated in the left slider groove and the right slider groove, the left slider 321 is parallel to the right slider 322, the moving directions of the left slider 321, the right slider 322 and the forming slider 31 are all parallel, the rotating main shaft 33 is in the same plane with the forming slider 31 and perpendicular to the forming slider 31, circular push blocks 37 are respectively arranged at the rear end portions of the left slider 321, the right slider 322 and the forming slider 31, the front end portion refers to the side facing the moving direction of the forming slider 31 as the front, and the side departing the moving direction of the forming slider 31 as the rear; the circular push block 37 is used for being respectively contacted with the first cam 34, the second cam 35 and the third cam 36, the circular push block 37 can also be in a circular arc shape, the rotating main shaft 33 is placed at a position close to the circular push block 37, and when the rotating main shaft 33 rotates, the first cam 34 can push the right slider 322 to move, the second cam 35 can push the forming slider 31 to move, and the third cam 36 can push the left slider 321 to move, springs are arranged at horizontal end portions of the forming slider 31, the left slider 321 and the right slider 322, which face one side of the zipper tape, so that the springs are squeezed when the first cam 34, the second cam 35 and the third cam 36 push the right slider 322, the forming slider 31 and the left slider 321 to move, and when the right slider 322, the forming slider 31 and the left slider 321 move to a limit position, the right slider 322, the forming slider 31 and the left slider 321 are reversely pushed by the elastic force of the springs, The forming shoe 31 and the left shoe 321 return to the initial position. A left clamping foot pushing block 381 is fixedly arranged at the front end part of the left sliding block 321, a right clamping foot pushing block 382 is fixedly arranged at the front end part of the right sliding block 322, an inclined plane is arranged at the front end part of the left clamping foot pushing block 381, and an inclined plane is arranged at the front end part of the right sliding block 322; the left foot clamping block 381 is arranged on the extension line of the left slide block 321, and the right foot clamping block 382 is arranged on the extension line of the right slide block 322.

The tooth planting mechanism 3 further comprises a left clamping foot 391 and a right clamping foot 392, the left clamping foot 391 and the right clamping foot 392 are respectively arranged on the left side and the right side of the forming slide block 31, the left clamping foot 391 and the right clamping foot 392 can slide relative to the machine frame body, the included angle between the left clamping foot 391 and the left slide block 321 is α 1 and 90- α 1-180 degrees, the included angle between the right clamping foot 392 and the right slide block 322 is α 2 and 90- α 2-180 degrees, the left clamping foot 391 is arranged near the front end part of the left clamping foot push block 381, the right clamping foot push block 392 is arranged near the front end part of the right clamping foot push block 382, the front end part of the left clamping foot 391 is provided with an inclined surface, the front end part of the right clamping foot 392 is provided with an inclined surface, when the left slide block 321 moves, the inclined surface of the left clamping foot push block 381 is in contact with the inclined surface of the left clamping foot and the inclined surface of the left clamping foot push the left clamping foot 392 to move according to a fixed angle, when the slide block 321 moves, the right clamping foot 391 and the right clamping foot 382 is in contact with the inclined surface of the right clamping foot push the left clamping tooth clamp the right clamping cloth 392 to move, thereby the left clamping foot and the right clamping tooth clamp the right clamping foot slide block 392 to move.

In this embodiment, as shown in fig. 5, the tooth planting mechanism 3 further includes a left clamping leg fixing base 3101 and a right clamping leg fixing base 3102, the left clamping leg fixing base 3101 and the right clamping leg fixing base 3102 are fixedly disposed on the forming slider 31, the left clamping leg fixing base 3101 is parallel to the left clamping leg 391, the right clamping leg fixing base 3102 is parallel to the right clamping leg 392, the left clamping leg fixing base 3101 is provided with two extending ends, two ends of the connecting rod are respectively and fixedly connected with the two extending ends of the left clamping leg fixing base 3101, a spring is sleeved on the connecting rod, a connecting portion is disposed on the left clamping leg 391, a through hole is disposed on the connecting rod, so that when the left clamping leg 391 is pushed by the left slider 321 to move, the spring on the connecting rod is compressed, when the left clamping leg 391 moves to a limit position, the left clamping leg 391 is pushed to return to an initial position in a reverse direction by the elastic force of the spring, the structure of the right clamping leg fixing base 3102 is similar to that of the left clamping leg fixing base 3101, and the matching of the right clamping leg 392 and the right clamping leg fixing base 3102 is similar to the matching relationship of the left clamping leg 391 and the left clamping leg fixing base 3101.

A tooth socket is arranged on the forming slide block 31, the tooth socket can just accommodate one tooth, and in the initial position of movement, the tooth socket is arranged right below the second tooth conveying groove 24, and the distance between the lower surface of the vertical guide rail part 22 and the upper surface of the forming slide block is smaller than the height of the tooth, so when the forming slide block 31 pushes the tooth in the tooth socket to the zipper cloth belt, the second and above tooth can still be orderly arranged in the vertical guide rail part 22; when the fastener elements are orderly arranged in the vertical guide rail part 22, exactly one fastener element falls into the fastener element groove in an initial state, when the forming slide block 31 moves forwards, the fastener element in the fastener element groove can be pushed to move forwards, a second and more than one fastener elements are stacked in the vertical guide rail part 22 and slide relative to the upper surface of the forming slide block 31, the upper surface of the fastener element groove is coplanar with the upper surface of the forming slide block 31, and the height of the fastener element groove is smaller than that of the fastener element, so that the forming slide block 31 only pushes one fastener element to the zipper cloth belt once moves back and forth.

The double-point-tooth zipper particle tooth assembly machine further comprises a vacuum generating device, a plurality of through holes are formed in the bottom surface of the zipper tooth groove of the forming slide block 31, the vacuum generating device is connected with the zipper tooth groove through holes, and when the double-point-tooth zipper particle tooth assembly machine is in normal operation, the vacuum generating device is started to keep the zipper tooth and the bottom surface of the zipper tooth groove in a vacuum state, so that the zipper tooth can be stably kept in the zipper tooth groove and cannot slide back and forth, left and right.

As shown in fig. 6, the double-point zipper granule tooth assembling machine further comprises a vacancy sizing mechanism 5, wherein the vacancy sizing mechanism 5 comprises an electromagnet 51 and an electromagnet push rod 52, and the electromagnet 51 is electrically connected with a control system of the double-point zipper granule tooth assembling machine; and a positioning groove is formed in the forming slide block, and the electromagnet push rod 52 is matched and positioned with the positioning groove. When the forming slide block 31 moves to the foremost end far away from the rotating main shaft 33, after the electromagnet 51 receives a signal, the electromagnet push rod 52 extends to be inserted into the positioning groove, so that the forming slide block is prevented from moving, and then a vacant position with a certain distance is formed on the zipper cloth belt.

As shown in fig. 2 and 4, in normal operation, the fastener elements in the vertical guide rail 22 fall into the fastener element grooves, the driving motor 311 drives the rotating main shaft 33 to rotate, the first cam 34, the second cam 35 and the third cam 36 drive the right slider 322, the forming slider 31 and the left slider 321 to move, the forming slider 31 drives the fastener elements in the fastener element grooves to move forward until the zipper tapes are embedded into the grooves of the fastener elements, meanwhile, the left slider 321 and the right slider 322 drive the left clip foot push block 381 and the right clip foot push block 382 to move respectively, the left clip foot push block 381 drives the left clip foot 391 to move, the right clip foot push block 382 drives the right clip foot 392 to move, so that the left clip foot 391 and the right clip foot 392 clamp the fastener elements to the zipper tapes at two sides, after the clamping process is completed, the left slider 321, the forming slider 31 and the right slider 322 are retracted to the initial positions under the elastic force of the springs, then the second zipper tooth is opened for clamping, and the cycle is repeated in sequence.

As shown in fig. 8, 9 and 11, the towing mechanism 4 includes an eccentric 41, a towing belt ring 42, a towing swing arm 43, a towing drive wheel shaft 44, a towing drive wheel 45, a pinch roller shaft 46 and a pinch roller 47. As shown in fig. 15, the towing mechanism further comprises a ratchet 416, a ratchet piece 417, a ratchet piece seat 420, a brake wheel 418 and a brake band 419; the eccentric wheel 41 is sleeved on the rotating main shaft 33 and fixedly connected with the rotating main shaft 33, the towing belt ring 42 is of a hollow circular ring structure, a connecting rod 414 is arranged on the periphery of the towing belt ring 42 and is vertical to the ground, one end of the towing driving wheel shaft 44 penetrates through the center of the towing driving wheel 45 and is fixedly connected with the towing driving wheel 45, and the towing driving wheel shaft 44 rotates to drive the towing driving wheel 44 to rotate; a through hole is formed in the towing swing arm 43, the other end of the towing driving wheel shaft 44 penetrates through the through hole in the towing swing arm 43 and is rotatably connected with the towing swing arm, a swing arm connecting rod is fixedly arranged on the towing swing arm 43, a through groove is formed in the swing arm connecting rod, the through groove extends along the length direction of the swing arm connecting rod, a flat shaft is arranged on the connecting rod, and the flat shaft can slide on the through groove 415; a ratchet 416 is fixedly arranged on the towing driving wheel shaft 44, a ratchet piece seat 420 is fixedly arranged on the towing swing arm 43, a ratchet piece 417 is arranged on the ratchet piece seat 420, and the ratchet piece 417 is used for matching with the ratchet 416; a brake wheel 418 is further arranged on the towing driving wheel shaft 44, a brake belt 419 is covered on the brake wheel 418, when the rotating main shaft 33 rotates for one circle, the eccentric wheel 41 is driven to rotate, so that the connecting rod is pulled to move downwards, the connecting rod moves downwards to enable the flat shaft to slide in the through groove 415, so that the towing swing arm 43 is driven to swing downwards, the towing swing arm 43 swings downwards to drive the ratchet piece 417 to move downwards, the ratchet piece 417 pushes the ratchet wheel 416 to rotate, so that the towing driving wheel shaft 44 drives the towing driving wheel 45 to rotate, and the zipper tape covers the towing driving wheel 45; in the case of high-speed rotation of the rotating main shaft 33, the tow band drive wheel 45 has a large rotational inertia, so that the brake band 419 and the brake band 418 are arranged to cooperate for eliminating the rotational inertia of the tow band drive wheel 45. The end of the flat shaft is provided with a nut, so that the flat shaft is not easy to be pulled out from the through groove 415 when sliding in the through groove 415.

The eccentric wheel 41 is sleeved on the rotating main shaft 33, so that the driving motor 311 can drive the tooth planting mechanism 3 and the towing mechanism 4 to move simultaneously, the synchronism of the tooth planting mechanism 3 and the towing mechanism 4 is ensured, and the complexity of a control system is also simplified. The dragging mechanism 4 further comprises a pinch roller 47 and a pinch roller shaft, the pinch roller 47 is arranged on the left side of the dragging driving wheel 45, and the pinch roller 47 is used for pressing the zipper cloth belt on the dragging driving wheel 45 onto the dragging driving wheel 45; one end of the pinch roller shaft penetrates through the circle center of the pinch roller 47 and is fixedly connected with the pinch roller 47, as one embodiment, the other end of the pinch roller shaft is rotatably connected with the rack body, one end of the pinch roller shaft is fixedly connected with the pinch cam, the pinch roller 47 is sleeved on the pinch cam, the pinch roller shaft rotates to drive the pinch cam to rotate, the rotation of the pinch cam enables the pinch roller 47 to be close to the towing driving wheel 45, so that the zipper cloth belt is tightly pressed on the towing driving wheel 45, and the rotation of the pinch roller shaft can be manual rotation or electric rotation.

As another embodiment, the pinch roller shaft can swing in the horizontal direction, before the machine normally operates, the zipper cloth belt is covered on the driving wheel 45, the position of the pinch roller 47 in the horizontal direction is manually adjusted, and the pinch roller 47 is pressed on the zipper cloth belt on the driving wheel 45, so that the zipper cloth belt is not easy to fall off from the driving wheel 45, and can move according to a fixed track. Specifically, a lantern ring is arranged at the other end of the pinch roller shaft, a through hole is formed in the lantern ring, a pinch roller shaft fixing seat is arranged on the rack, an upright post is fixedly arranged on the pinch roller shaft fixing seat, the lantern ring is sleeved on the upright post and is in tight fit with the upright post, and after the position of the pinch roller 47 in the horizontal direction is adjusted, the lantern ring and the upright post are relatively fixed by friction force.

The towing mechanism 4 further comprises a first guide pulley 48, a second guide pulley 49, a third guide pulley 410, a fourth guide pulley 411 and a fifth guide pulley 412, wherein the first guide pulley 48, the second guide pulley 49, the third guide pulley 410 and the fourth guide pulley 411 are horizontally arranged; the first guide pulley 48, the second guide pulley 49, the third guide pulley 410, the fourth guide pulley 411 and the fifth guide pulley 412 are all arranged on the right side of the dragging drive wheel 45, the first guide pulley 48, the second guide pulley 49, the third guide pulley 410 and the fourth guide pulley 411 are arranged at a position with a certain height away from the top surface of the rack, the heights of the first guide pulley 48, the second guide pulley 49, the third guide pulley 410 and the fourth guide pulley 411 are smaller than the height of the forming slider 31, the dragging drive wheel 45, the pinch roller 47 and the fifth guide pulley 412 are separated from the top surface of the rack by a certain height, the fifth guide pulley 412 is arranged on the right side of the dragging drive wheel 45, a tension detection device is arranged between the first guide pulley 48 and the second guide pulley 49, and when the tension of the zipper cloth belt between the first guide pulley 48 and the second guide pulley 49 is insufficient, the whole machine stops running; be provided with detection device that knoes between second leading pulley 49, the third leading pulley 410, if appear knoing from the zip fastener strap that the zip fastener strap incasement came out, then can influence the assembly of granule tooth, when detection device that knoes detects that zip fastener cloth has the knot, then complete machine bring to rest. The fifth guide pulley 412 is to increase the tension of the zipper tape between the fourth guide pulley 411 and the towing capstan 45 for facilitating the assembly of the particle teeth, and the fourth guide pulley 411 is perpendicular to the fifth guide pulley 412 so that the zipper tape between the fourth guide pulley 411 and the fifth guide pulley 412 is perpendicular to the ground and just in the middle of the zipper teeth slot for facilitating the assembly of the zipper teeth.

The towing mechanism 4 further comprises a blanking structure, the blanking structure is a blanking plate 413 comprising a rectangular groove with an upward opening, the blanking plate 413 and the top surface of the rack form a certain angle, so that zipper cloth belts with particle teeth can orderly fall into a blanking box below the rack, and the zipper cloth belts with the particle teeth are prevented from being disorderly arranged to disturb the operation of the zipper particle tooth assembling machine.

As shown in fig. 10, the particle teeth assembly machine for the double-point teeth zipper further comprises a manual adjusting device, the manual adjusting device comprises a handle 6, the shaking handle 6 can rotate a rotating main shaft 33, and an engineer can conveniently adjust the operation conditions of the tooth planting mechanism 3 and the towing mechanism 4. The double-point tooth particle tooth assembling machine further comprises a counter, the counter is arranged above the rotating main shaft 33, the rotating main shaft 33 rotates for one circle, and the counter counts once.

The operation process of the double-point tooth zipper grain tooth assembly machine is as follows: the conveying device 1 is started, so that the zipper teeth orderly enter the feeding structure 2, the zipper teeth fall into the zipper tooth grooves, the tooth implanting mechanism 3 and the dragging mechanism 4 are started, the rotating main shaft 33 rotates, the first cam 34, the second cam 35 and the third cam 36 respectively push the left side sliding block 321, the forming sliding block 31 and the right side sliding block 322 to move, the forming sliding block 31 drives the zipper teeth in the zipper tooth grooves to move forwards to the zipper cloth belts, and simultaneously the left side sliding block 321 and the right side sliding block 322 respectively push the left clamping foot 391 and the right clamping foot 392 to move to two sides of the zipper teeth and clamp the zipper teeth; the rotating main shaft 33 rotates for one circle to drive the eccentric wheel 41 to rotate, so that the connecting rod is pulled to move downwards, the connecting rod moves downwards to enable the sliding block to slide in the through groove, the towing driving wheel shaft 44 is driven to rotate for a certain angle, and the towing driving wheel shaft 44 rotates for a certain angle to enable the zipper cloth belt to move for one tooth position.

The above has elaborated the embodiments of the zipper pulling mechanism provided by the present invention. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can also make several improvements and modifications, and these improvements and modifications also fall into the protection scope of the claims of the present invention.

Claims

1. A zipper dragging mechanism is characterized in that: the belt pressing device comprises a driving motor, a rotating main shaft, an eccentric wheel, a belt dragging ring, a belt dragging driving wheel shaft, a belt dragging driving wheel, a belt pressing wheel shaft and a belt pressing wheel, wherein the driving motor is used for driving the rotating main shaft to rotate, and the eccentric wheel is fixedly arranged on the rotating main shaft; one end of the towing driving wheel shaft penetrates through the towing driving wheel and is fixedly connected with the towing driving wheel, and the towing belt ring is connected with the other end of the towing driving wheel shaft; one end of the pinch roller shaft penetrates through the pinch roller and is fixedly connected with the pinch roller; the other end of the pinch roller shaft is movably connected with the frame body; the eccentric wheel is sleeved in the towing ring, and the pinch roller and the towing driving wheel tightly press the zipper cloth belt.

2. A zipper puller mechanism as set forth in claim 1, wherein: the periphery of the towing belt ring is provided with a connecting rod, the connecting rod is perpendicular to the ground, and the connecting rod is connected with the other end of the towing driving wheel shaft.

3. A zipper puller mechanism as set forth in claim 1, wherein: the towing mechanism further comprises a towing swing arm, the towing swing arm is rotatably connected with the other end of the towing driving wheel shaft, a swing arm connecting rod is arranged on the towing swing arm, a through groove is arranged on the swing arm connecting rod, and the through groove extends along the length direction of the swing arm connecting rod; the connecting rod is provided with a flat shaft, and the flat shaft can slide on the through groove.

4. A zipper puller mechanism as set forth in claim 3, wherein: and a nut is arranged at the end part of the flat shaft.

5. A zipper puller mechanism as set forth in claim 1, wherein: the pinch roller shaft can swing in the horizontal direction.

6. The zipper puller mechanism of claim 5, further comprising: the pressing belt wheel shaft fixing seat is fixedly arranged on the machine frame, and an upright post is fixedly arranged on the pressing belt wheel shaft fixing seat, and the lantern ring is sleeved on the upright post and is in tight fit with the upright post.

7. A zipper puller mechanism as set forth in claim 1, wherein: the other end of the pinch roller shaft is rotatably connected with the frame body.

8. A zipper puller mechanism as set forth in claim 7, wherein: the dragging mechanism further comprises a belt pressing cam, one end of the belt pressing wheel shaft is fixedly connected with the belt pressing cam, and the belt pressing wheel is sleeved on the belt pressing cam.

9. A zipper puller mechanism as set forth in claim 1, wherein: the dragging mechanism further comprises a blanking structure, and the blanking structure is a blanking plate comprising a rectangular groove with an upward opening.

10. A zipper puller mechanism as set forth in claim 1, wherein: the towing mechanism further comprises a first guide belt wheel, a second guide belt wheel, a third guide belt wheel and a fourth guide belt wheel; the first guide belt wheel, the second guide belt wheel, the third guide belt wheel and the fourth guide belt wheel are horizontally arranged, a tension detection device is arranged between the first guide belt wheel and the second guide belt wheel, and a knotting detection device is arranged between the second guide belt wheel and the third guide belt wheel.