CN214082446U

CN214082446U - Zipper forming machine

Info

Publication number: CN214082446U
Application number: CN202023257157.2U
Authority: CN
Inventors: 陈志建; 郑美琴
Original assignee: Jinjiang Xurisheng Zipper Manufacturing Co ltd
Current assignee: Jinjiang Xurisheng Zipper Manufacturing Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-31
Anticipated expiration: 2030-12-29

Abstract

The application relates to a zipper forming machine, which comprises a nylon zipper forming machine body; the nylon zipper forming machine body is provided with a machine frame and a forming device body; the machine frame and the forming device body are provided with an extruding device for extruding and forming the zipper; the extrusion device comprises an extrusion rod connected to the forming device body in a sliding manner and a driving mechanism for driving the extrusion rod to move in a reciprocating manner; and one end of the extrusion rod facing the zipper is fixedly provided with a convex block which is abutted against the upper leg part of the zipper teeth. This application has production back chain tooth that warp, improves the effect of the firm degree of zip fastener.

Description

Zipper forming machine

Technical Field

The application relates to the field of zipper production equipment, in particular to a zipper forming machine.

Background

Slide fasteners are connecting elements for uniting or separating articles by means of a continuous arrangement of fastener elements, and are widely used for clothing, bags, tents, and the like. The types of slide fasteners are classified into nylon slide fasteners, resin slide fasteners, and metal slide fasteners, among which nylon slide fasteners are widely used, in which a coil-shaped continuous element is formed by winding a composite resin monofilament at the time of molding the nylon slide fastener, the element has an engaging head, an upper leg portion, a lower leg portion, and a reverse portion, and the upper leg portion and the lower leg portion of adjacent elements are connected by the reverse portion to form a continuous element.

The related art discloses a nylon zipper forming machine, which comprises a machine frame, a forming device, a central line input device and a nylon yarn input device. When the nylon zipper is produced, the nylon yarn is input into the forming device through the nylon yarn output device, the central line is input into the forming device through the central line input device, and the nylon yarn and the central line are formed into the zipper in the forming device.

Referring to fig. 4, the projection of the elements of the molded nylon slide fastener in the longitudinal direction of the nylon slide fastener is an elliptical ring. The zipper teeth are embedded into the gaps of the circular rings through the engaging heads, and the mutual engagement of the pair of zipper teeth is realized. In the zipper teeth formed by the nylon zipper forming machine in the related art, after a pair of zipper teeth are meshed, the meshing head part is easy to slide relative to the gap of the circular ring, so that the firmness degree of the meshed zipper is reduced.

Referring to fig. 5, if the strength of the engaged zipper needs to be improved, the shape of the zipper teeth needs to be changed to limit the sliding of the engaging head in the gap of the circular ring, and the engaging head can be embedded into the gap of the circular ring, and the projection of the changed zipper teeth along the length direction of the nylon zipper is a stepped circular ring.

In view of the above-mentioned related art, the inventors have considered that the need for producing the deformed fastener elements has led to a need for improvement of nylon slide fastener molding machines in the related art.

SUMMERY OF THE UTILITY MODEL

In order to produce the deformed fastener elements, the application provides a zipper forming machine.

The application provides a zip fastener make-up machine adopts following technical scheme:

a zipper forming machine comprises a nylon zipper forming machine body; the nylon zipper forming machine body is provided with a machine frame and a forming device body; the machine frame and the forming device body are provided with an extruding device for extruding and forming the zipper; the extrusion device comprises an extrusion rod connected to the forming device body in a sliding manner and a driving mechanism for driving the extrusion rod to move in a reciprocating manner; and one end of the extrusion rod facing the zipper is fixedly provided with a convex block which is abutted against the upper leg part of the zipper teeth.

By adopting the technical scheme, when the zipper is molded by the molding machine body, the driving mechanism is started, the driving mechanism drives the extrusion rod to move in a reciprocating manner, and the upper leg part of the zipper tooth is extruded through the bump, so that the projection of the zipper tooth along the length direction of the zipper is a stepped ring. Through the extrusion pole, need not to carry out secondary operation to the zip fastener after the shaping, alright production chain tooth after the deformation improves the production efficiency who warp back chain tooth, simultaneously because chain tooth after the deformation forms through the extrusion, reduces production back chain tooth and produces unedged risk, improves the production yield of zip fastener.

Optionally, the driving mechanism includes a driving motor fixed on the side wall of the frame, a rotating rod coaxially fixed on the rotating shaft of the driving motor, an eccentric wheel coaxially fixed on the end of the rotating rod, and a spring coaxially sleeved on the periphery of the extrusion rod; the peripheral side of the eccentric wheel is abutted against one end of the extrusion rod, which is far away from the lug; a sleeve is coaxially fixed on the periphery of the extrusion rod; the spring is located between the sleeve and the molding device body.

Through adopting above-mentioned technical scheme, start driving motor, the bull stick rotates and drives the eccentric wheel and rotate, the rotation of eccentric wheel drives to slide and connects the extrusion stem removal in the forming device body, with the extrusion of chain tooth, at eccentric wheel pivoted in-process, the spring is in the compression and resumes the state before the compression, through eccentric wheel and spring, realize the reciprocating motion of extrusion stem, simultaneously because the continuous rotation of eccentric wheel, improve the unmatched problem of extrusion stem reciprocating efficiency and forming device production efficiency, improve the production yield of zip fastener.

Optionally, a rotating wheel is rotatably connected to the periphery of one end, away from the convex block, of the extrusion rod; the eccentric wheel is abutted against the periphery of the rotating wheel.

By adopting the technical scheme, the introduction of the rotating wheel reduces the abrasion loss between the eccentric wheel and the extrusion rod, improves the extrusion precision of the chain teeth extruded by the convex block, and simultaneously prolongs the service life of the extrusion rod and the eccentric wheel.

Optionally, the number of the molding device bodies is two; and the side wall of the rack is provided with a zipper combining device which is used for meshing the zippers formed by the two forming device bodies.

By adopting the technical scheme, the introduction of the chain device reduces the subsequent production process, the meshing condition of the formed zipper can be conveniently and timely observed, and the operator can conveniently make corresponding adjustment, so that the production yield of the formed zipper is improved.

Optionally, the chain combining device includes a mounting plate fixedly connected to a side wall of the rack, a plurality of pairs of guide wheels fixed to the side wall of the mounting plate for winding the zipper, a wire feeding rack fixed to the side wall of the mounting plate, a rotating motor fixed to the side wall of the wire feeding rack, and a chain combining wheel rotatably connected to the side wall of the wire feeding rack; a rotating shaft of the rotating motor is coaxially fixed with an engaging wheel; the periphery of the meshing wheel is provided with a meshing groove for the combination of the pair of zippers; the peripheral side of the parallel chain wheel is abutted against the peripheral side of the meshing wheel and the side wall of the zipper; and a plurality of limiting pieces embedded in the gaps between two adjacent zipper teeth are fixed at the bottom of the engaging groove.

Through adopting above-mentioned technical scheme, the zip fastener after a pair of shaping, merge the meshing inslot around locating the guide pulley, the start rotates the motor, the zip fastener after spacing piece pulling meshing that rotates of meshing wheel removes, the zip fastener after the realization meshing removes, simultaneously because the mutual butt of meshing wheel and sprocket, the rotation of meshing wheel drives the rotation of sprocket, and the sprocket extrudees into the meshing inslot with the chain tooth of zip fastener after a pair of shaping and meshes, accomplish the chain work of the zip fastener after a pair of shaping. Through guide pulley and meshing wheel, reduce the risk that the zip fastener after the shaping is slack, improve the meshing efficiency of zip fastener after the shaping.

Optionally, the zipper combining device further comprises a tensioning wheel set arranged on one side of the mounting plate, which is far away from the guide wheel, and the zipper is wound on the tensioning wheel set; two mounting rods facing the bottom wall of the rack are fixed on one side of the mounting plate, which is far away from the guide wheel, and the two mounting rods correspond to the two molding device bodies one by one; the tensioning wheel set is movably connected to the periphery of the mounting rod.

By adopting the technical scheme, the problem that the formed zipper is loosened is further reduced due to the introduction of the tensioning wheel set, and meanwhile, the formed zipper is straightened by matching with the guide wheel, so that the risk of zipper torsion is reduced, and the meshing efficiency of the formed zipper is improved.

Optionally, the tensioning wheel set consists of a gravity block connected to the periphery of the mounting rod in a sliding manner and a pulley rotatably connected to the side wall of the gravity block; the gravity block is connected to the mounting rod in a sliding manner along the axial direction of the mounting rod; a travel switch which is abutted against the gravity block is fixed on the side wall of the rack; travel switches are arranged on the periphery sides of the two ends of the mounting rod; the travel switch is in communication connection with the rotating motor.

Through adopting above-mentioned technical scheme, the motor is rotated in the start-up, the meshing wheel drives around locating the zip fastener removal of pulley week side, the removal of zip fastener drives the axial of gravity piece along the installation pole and slides, touch travel switch when the gravity piece after, the rotation motor stops, the gravity piece is under the action of gravity, the axial of following the installation pole is landing by oneself, the pulling zip fastener, touch the travel switch who is located the installation pole other end until the gravity piece, rotate the motor with the restart, the zip fastener meshing after the shaping again. Through going survey switch and gravity piece, reduce the cracked risk of meshing wheel pulling zip fastener, improve the production yield of zip fastener.

Optionally, four travel switches are arranged; the four travel switches correspond to the two mounting rods in pairs respectively.

By adopting the technical scheme, after the gravity blocks on the two mounting rods all touch the travel switch, the rotating motor can be turned on or turned off, so that when the zipper is loosened due to the fact that the gravity blocks do not slide on the mounting rods, the rotating motor does not operate, and the production yield of the zipper is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the extrusion rod, the deformed zipper teeth can be produced without secondary processing of the formed zipper, the production efficiency of the deformed zipper teeth is improved, meanwhile, because the deformed zipper teeth are formed through extrusion, the risk of burrs generated by the produced zipper teeth is reduced, and the production yield of the zipper is improved;

2. through the zipper combining device, the subsequent production procedures are reduced, the meshing condition of the formed zipper can be conveniently and timely observed, corresponding adjustment can be conveniently made by an operator, and the production yield of the zipper is improved;

3. through going survey switch and gravity piece, reduce the cracked risk of meshing wheel pulling zip fastener, improve the production yield of zip fastener.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is an enlarged view of fig. 1 at a portion B.

Fig. 4 is a shape of a projected element of a nylon slide fastener molding machine of the related art in a length direction of the slide fastener.

Fig. 5 is a shape of a projection of a produced coupling element along a length direction of a slide fastener, after a related art nylon slide fastener forming machine is modified.

Description of reference numerals: 1. an engagement head; 2. an upper leg portion; 3. a lower leg portion; 4. a reversing section; 5. a nylon zipper forming machine body; 51. a frame; 52. a molding device body; 6. an extrusion device; 61. an extrusion stem; 611. a bump; 612. a rotating wheel; 613. a sleeve; 62. a drive mechanism; 621. a drive motor; 622. a rotating rod; 623. an eccentric wheel; 624. a spring; 625. a limiting cylinder; 7. a chain combining device; 71. mounting a plate; 72. a guide wheel; 73. a wire feeding frame; 74. rotating the motor; 75. a chain combining wheel; 76. a tension pulley set; 761. a gravity block; 762. a pulley; 77. an engaging wheel; 771. an engagement groove; 772. a limiting sheet; 8. mounting a rod; 9. a limiting plate; 10. a travel switch.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Referring to fig. 4, the shape of the coupling element produced by the nylon slide fastener molding machine of the related art projected in the longitudinal direction of the slide fastener, and the names of the respective portions of the coupling element are explained in detail in the shape of the coupling element after projection. The element has an engaging head 1, an upper leg portion 2, a lower leg portion 3, and an inverted portion 4, and the upper leg portion 2 and the lower leg portion 3 of adjacent elements are connected by the inverted portion 4 to form a continuous element.

The embodiment of the application discloses a zipper forming machine. Referring to fig. 1, a zipper molding machine includes a nylon zipper molding machine body 5, the nylon zipper molding machine body 5 having a frame 51 and two molding device bodies 52. The side wall of the frame 51 is provided with a squeezing device 6 and a zipper combining device 7, and the squeezing device 6 is used for squeezing the upper leg part 2 of the zipper teeth formed by the forming device body 52, so that the teeth are deformed to improve the firm strength of the meshed zipper. The fastener stringer 7 is configured to perform an engagement operation of the deformed fastener elements so as to observe the engagement of the deformed fastener elements.

Referring to fig. 2 and 4, specifically, the pressing device 6 includes a pressing rod 61 slidably connected to the molding device body 52 and a driving mechanism 62 for driving the pressing rod 61 to reciprocate, and the pressing rod 61 is rectangular. The sliding direction of the pressing rod 61 is perpendicular to the direction in which the slide fastener moves within the molding device body 52. A projection 611 abutting against the upper leg portion 2 is fixed to one end of the pressing rod 61 facing the slide fastener, and the projection 611 and the pressing rod 61 are integrally formed. The projections 611 are pressed against the upper leg portions 2 by the reciprocating movement of the driving mechanism 62 to deform the coupling elements, and the driving mechanism 62 and the projections 611 continuously press the upper leg portions 2 of the coupling elements as the molding device continues to mold the coupling elements, thereby producing continuous deformed coupling elements.

Referring to fig. 1 and 2, the driving mechanism 62 includes a driving motor 621 fixed on the inner side wall of the frame 51, a rotating rod 622 coaxially fixed on the rotating shaft of the driving motor 621, an eccentric 623 coaxially fixed on the end of the rotating rod 622, and a spring 624 coaxially sleeved on the peripheral side of the squeezing rod 61, wherein a limiting cylinder 625 is fixed on one side of the frame 51 facing the squeezing rod 61, and the rotating shaft of the driving motor 621 penetrates through the side wall of the frame 51 and extends into the inner cavity of the limiting cylinder 625. The rotating rod 622 coaxially penetrates through the inner cavity of the limiting cylinder 625 and penetrates out of one end of the limiting cylinder 625, which is far away from the driving motor 621.

Referring to fig. 1 and 2, a rotating wheel 612 is rotatably connected to a side wall of the pressing rod 61 at an end away from the protrusion 611, and the eccentric wheel 623 abuts against the peripheral side of the rotating wheel 612. A sleeve 613 is coaxially fixed to the peripheral side of the pressing rod 61, and a spring 624 is interposed between the sleeve 613 and the molding device body 52. When the driving motor 621 is started, the rotating rod 622 rotates to drive the eccentric wheel 623 to rotate, the rotation of the eccentric wheel 623 pushes the rotating wheel 612, so that the extrusion rod 61 connected with the forming device body 52 in a sliding mode is driven to move, the spring 624 is in a state before compression and recovery of compression in the rotating process of the eccentric wheel 623, and the extrusion rod 61 reciprocates through the eccentric wheel 623 and the spring 624.

Referring to fig. 1 and 3, the zipper combining device 7 includes a mounting plate 71 fixedly connected to one side of the frame 51 facing the extrusion rod 61, two pairs of guide wheels 72 fixed to a side wall of the mounting plate 71 for the zipper to be wound, a wire feeding frame 73 fixed to the mounting plate 71 on the same side as the guide wheels 72, a rotating motor 74 fixed to a side wall of the wire feeding frame 73, a chain combining wheel 75 rotatably connected to a side wall of the wire feeding frame 73, and two pairs of tensioning wheel sets 76 slidably connected to one side of the mounting plate 71 away from the guide wheels 72 for the zipper to be wound, wherein the mounting plate 71 is located between the two molding device bodies 52. The rotating shaft of the rotating motor 74 passes through the side wall of the wire feeding frame 73 and is coaxially fixed with an engaging wheel 77, and an engaging groove 771 for a pair of zippers to be merged is formed on the peripheral side of the engaging wheel 77.

Referring to fig. 1 and 3, a plurality of limiting pieces 772 embedded in a gap between two adjacent fastener elements are fixed at the bottom of the engagement groove 771, and the plurality of limiting pieces 772 are arranged in a circumferential array along the engagement wheel 77. The peripheral side of the sprocket 75 abuts against the peripheral side of the engaging wheel 77 and the side wall of the slide fastener. The rotating motor 74 is started, the meshed zipper is pulled to move through the limiting sheet 772 by the rotation of the meshing wheel 77, the meshed zipper moves, meanwhile, due to the fact that the meshing wheel 77 and the parallel chain wheel 75 are mutually abutted, the meshing wheel 77 rotates to drive the parallel chain wheel 75 to rotate, the parallel chain wheel 75 extrudes the teeth of the pair of molded zippers into the meshing groove 771 to be meshed, and the parallel chain work of the pair of molded zippers is completed.

Referring to fig. 1 and 3, the tensioning wheel set 76 is composed of a gravity block 761 and a pulley 762, two mounting rods 8 for slidably connecting the gravity block 761 are vertically fixed on one side of the mounting plate 71 away from the guide wheel 72, the gravity block 761 is slidably connected to the peripheral side of the mounting rod 8 along the axial direction of the mounting rod 8, and the two mounting rods 8 correspond to the two pairs of tensioning wheel sets 76 one by one. The end of the mounting bar 8 remote from the guide wheel 72 faces the bottom wall of the frame 51. A limiting plate 9 parallel to the mounting plate 71 is fixed on the side wall of the mounting rod 8 below the frame 51, and one side of the limiting plate 9 facing the mounting rod 8 is fixedly connected with one end of the mounting rod 8 far away from the guide wheel 72 so as to limit the gravity block 761 from being connected with the mounting rod 8.

Referring to fig. 1 and 3, four travel switches 10 are fixed between the mounting plate 71 and the limiting plate 9 on one side of the frame 51 facing the mounting rod 8, each of the four travel switches 10 corresponds to two mounting rods 8, and in more detail, the travel switches 10 are disposed on the periphery of two ends of the mounting rod 8. The travel switch 10 is communicatively coupled to the rotary motor 74. The motor 74 is rotated in the start, the meshing wheel 77 drives around the zip fastener of locating pulley 762 week side and removes, the removal of zip fastener drives gravity piece 761 and slides to the direction of mounting panel 71, after gravity piece 761 touched the travel switch 10 that is located near mounting panel 71 position, the motor 74 is rotated and stops, gravity piece 761 is landing to the direction of limiting plate 9 under the action of gravity, pulley 762 pulls the zip fastener, touch the travel switch 10 that is located near limiting plate 9 position until gravity piece 761, in order to restart rotation motor 74, the zip fastener meshing after the shaping again, borrow this design, reduce the cracked risk of meshing wheel 77 pulling zip fastener. It should be noted that, when the gravity blocks 761 on the two mounting bars 8 contact the travel switch 10, the rotating motor 74 is turned on or off, so that when the gravity block 761 on one of the mounting bars 8 does not slide to cause the zipper to be loosened, the rotating motor 74 stops working, thereby increasing the production yield of the zipper.

The implementation principle of the zipper forming machine in the embodiment of the application is as follows: when the forming device body 52 forms the zipper, the driving motor 621 and the rotating motor 74 are started, the driving motor 621 drives the rotating rod 622 to rotate, and the rotating rod 622 drives the eccentric 623 to rotate continuously, so that the reciprocating efficiency of the extrusion rod 61 is matched with the forming efficiency of the forming device body 52. The extrusion rod 61 extrudes the upper leg part 2 of the zipper, the extruded and deformed continuous zipper teeth are wound on the periphery of the guide wheel 72 and the pulley 762, the meshing wheel 77 and the parallel chain wheel 75 are driven to rotate by the rotation of the rotating motor 74, a pair of zippers merged into the meshing groove 771 are meshed, and meanwhile, the meshed zippers are moved to a designated position by the rotation of the meshing wheel 77 to be collected, so that the production of the zippers is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A zipper forming machine is characterized in that: comprises a nylon zipper forming machine body (5); the nylon zipper forming machine body (5) is provided with a rack (51) and a forming device body (52); the machine frame (51) and the forming device body (52) are provided with an extrusion device (6) for extruding and forming the zipper; the extrusion device (6) comprises an extrusion rod (61) connected to the forming device body (52) in a sliding mode and a driving mechanism (62) for driving the extrusion rod (61) to move in a reciprocating mode; a convex block (611) which is abutted with the upper leg part (2) of the zipper teeth is fixed at one end of the extrusion rod (61) facing the zipper.

2. A slide fastener molding machine according to claim 1, wherein: the driving mechanism (62) comprises a driving motor (621) fixed on the side wall of the rack (51), a rotating rod (622) coaxially fixed on a rotating shaft of the driving motor (621), an eccentric wheel (623) coaxially fixed at the end part of the rotating rod (622), and a spring (624) coaxially sleeved on the peripheral side of the extrusion rod (61); the peripheral side of the eccentric wheel (623) is abutted against one end, far away from the lug (611), of the extrusion rod (61); a sleeve (613) is coaxially fixed on the periphery of the extrusion rod (61); the spring (624) is located between the sleeve (613) and the forming device body (52).

3. A slide fastener molding machine according to claim 2, wherein: a rotating wheel (612) is rotatably connected to the peripheral side of one end, far away from the convex block (611), of the extrusion rod (61); the eccentric wheel (623) is abutted to the peripheral side of the rotating wheel (612).

4. A slide fastener molding machine according to claim 1, wherein: the molding device body (52) has two; and a zipper combining device (7) which is used for meshing the zippers formed by the two forming device bodies (52) is arranged on the side wall of the rack (51).

5. The zipper forming machine according to claim 4, wherein: the chain combining device (7) comprises a mounting plate (71) fixedly connected to the side wall of the rack (51), a plurality of pairs of guide wheels (72) which are fixed to the side wall of the mounting plate (71) and used for winding the zipper, a wire feeding frame (73) fixed to the side wall of the mounting plate (71), a rotating motor (74) fixed to the side wall of the wire feeding frame (73) and a chain combining wheel (75) rotatably connected to the side wall of the wire feeding frame (73); a rotating shaft of the rotating motor (74) is coaxially fixed with a meshing wheel (77); the peripheral side of the meshing wheel (77) is provided with a meshing groove (771) for the combination of a pair of zippers; the peripheral side of the chain wheel (75) is abutted against the peripheral side of the meshing wheel (77) and the side wall of the zipper; and a plurality of limiting sheets (772) embedded in the gap between two adjacent zipper teeth are fixed at the bottom of the meshing groove (771).

6. A slide fastener molding machine according to claim 5, wherein: the zipper combining device (7) further comprises a tensioning wheel set (76) which is arranged on one side of the mounting plate (71) away from the guide wheel (72) and used for winding the zipper; two mounting rods (8) facing the bottom wall of the rack (51) are fixed on one side, away from the guide wheel (72), of the mounting plate (71), and the two mounting rods (8) correspond to the two molding device bodies (52) one by one; the tensioning wheel set (76) is movably connected to the peripheral side of the mounting rod (8).

7. The zipper forming machine according to claim 6, wherein: the tensioning wheel set (76) consists of a gravity block (761) connected with the peripheral side of the mounting rod in a sliding way and a pulley (762) connected with the side wall of the gravity block (761) in a rotating way; the gravity block (761) is connected to the mounting rod (8) in a sliding manner along the axial direction of the mounting rod (8); a travel switch (10) abutted against the gravity block (761) is fixed on the side wall of the rack (51); travel switches (10) are arranged on the periphery sides of the two ends of the mounting rod (8); the travel switch (10) is communicatively coupled to a rotary motor (74).

8. The zipper forming machine according to claim 7, wherein: four travel switches (10) are arranged; the four travel switches (10) correspond to the two mounting rods (8) in pairs respectively.