CN110193568B

CN110193568B - Zipper tooth manufacturing device and method and tooth arrangement device of zipper

Info

Publication number: CN110193568B
Application number: CN201910450903.2A
Authority: CN
Inventors: 杨志舜; 汪怀群; 关善福
Original assignee: Shunde Samyang Co ltd
Current assignee: Shunde Samyang Co ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-05-08
Anticipated expiration: 2039-05-28
Also published as: CN110193568A

Abstract

The invention belongs to the technical field of zipper manufacturing, in particular to a zipper tooth manufacturing device, a method and a tooth arrangement device of a zipper, wherein the zipper tooth manufacturing device comprises a slide seat, a cutter, a punch and a stripping piece, the cutter, the punch and the stripping piece are arranged above the slide seat, the upper side of the slide seat is provided with a cutting plane, a wire channel is arranged inside the slide seat, the front side of the slide seat is connected with a blanking die, the blanking die is provided with a forming part, the wire channel is used for intermittently conveying wires to the upper side of the cutting plane by preset supply amount each time, the slide seat reciprocates and translates forwards and backwards, the cutter is in sliding contact with the cutting plane, the front end of the cutter is provided with a cutting edge, the punch is arranged above the cutting edge in a lifting way, the stripping piece is arranged at the front side of the punch in a lifting way, the part of the wires protruding out of the cutting plane enters the cutting edge along with the backward movement, the phenomenon that the tooth is missing from the cloth belt in the subsequent tooth arrangement process is avoided, the production efficiency is effectively improved, and the rework rate is reduced.

Description

Zipper tooth manufacturing device and method and tooth arrangement device of zipper

Technical Field

The invention belongs to the technical field of zipper manufacturing, and particularly relates to a zipper tooth manufacturing device and method and a tooth arrangement device for a zipper.

Background

The conventional zipper tooth manufacturing apparatus comprises a slide, a cutter and a punch, wherein the slide is provided with a wire passage for supplying wires upwards, the cutter is arranged on the upper side of the slide and is in sliding contact with the slide, the front side of the slide is provided with a blanking die, the punch is arranged above the slide in a lifting manner, the slide moves backwards to enable the cutter to cut the wires positioned on the upper side of the slide so as to form cut pieces, the cut pieces are pushed to the blanking die along with the continuous backward movement of the slide, and then meshing convex parts are punched on the cut pieces through the punch so as to form the zipper teeth. The manufacturing process of the zipper is seriously influenced, and the reworking phenomenon is particularly serious.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a zipper tooth manufacturing device which prevents wire rods from flying off when being cut.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a chain tooth manufacturing installation of zip fastener, includes the slide and locates cutter, drift and the material piece of taking off of slide top, the slide upside is equipped with tailors plane, inside and is equipped with from slide bottom surface longitudinal extension extremely tailor planar wire rod passageway, front side and be connected with blanking die, is equipped with on the blanking die to be located the shaping portion of tailorring the plane below, the wire rod passageway supplies the wire rod to carry to tailorring planar top intermittently with predetermineeing supply quantity at every turn, the slide realizes reciprocating translation around by actuating mechanism, the cutter with tailor plane sliding contact, the blade of cutter corresponds the wire rod passageway, the blade top is located to the drift liftable, take off the front side of locating the drift liftable.

During the blank, the wire rod is protruded to cut out the planar part and gets into the blade along with the backshifting of slide, takes off the material piece and falls to the front side of the interior wire rod of blade, and at least part shelters from the interior wire rod of blade, and the blade cuts off the wire rod along with the backshifting of slide and forms the section and propelling movement to the shaping portion to accomplish the blank, then the drift descends to punch out the preparation of meshing convex part in order to accomplish the chain tooth on the section on the shaping portion. Preferably, in order to reduce the time interval between the processes, the stripping part starts to descend before the wire rod is cut, so that the stripping part at least partially shields the wire rod in the blade when the wire rod is cut, thereby improving the efficiency of cutting.

Compared with the prior art, the chain tooth manufacturing device provided by the invention has the advantages that the stripping piece is arranged on the front side of the punch and descends to the front side of the wire in the cutting edge during cutting, so that the wire which is positioned in the cutting edge and is being cut is shielded during cutting, a material blocking effect is realized, the wire is prevented from flying out of the cutting edge at the moment of cutting, the phenomenon that the cloth belt lacks teeth during subsequent tooth arrangement is avoided, the production efficiency is effectively improved, and the rework rate is reduced.

Further, it locates on the drift to take off the material piece, it extends to the below of drift downwards to take off the material piece, take off material piece and drift and realize synchronous lift through blanking mechanism, wherein the decline process is including ordering about to take off the first stroke that the material piece descends and shelter from the wire rod and ordering about the drift to descend and stamp out sliced second stroke, first stroke prevents that the wire rod from flying out the blade when cutting off, the second stroke makes the wire rod section punch out on the shaping portion meshing convex part. The blanking mechanism for driving the stripping part and the punch to descend can be simplified by the arrangement mode, the two parts can be dived by arranging one blanking mechanism, and the cost of the equipment is effectively reduced. Preferably, blanking mechanism includes cam and swing arm, swing arm middle part is around a fulcrum swing, the head end of swing arm with the upside contact of drift, the end be equipped with cam complex active cell, the profile cambered surface of cam is including the first convex surface that corresponds first stroke, the second convex surface that corresponds the second stroke and link up the arc surface of first convex surface and second convex surface, the camber of first convex surface is less than the camber of second convex surface, works as the cam rotates extremely when the arc surface cooperates with the active cell, the drift drives through first elasticity relocation mechanism and takes off the material piece and reset to the upside. The blanking mechanism is simple in arrangement mode and structure, and the diving process of the stripping piece and the punch can be controlled by adjusting parameters of the outline cambered surface of the cam.

Furthermore, take off and be equipped with second elasticity floating mechanism between material piece and the drift to the messenger takes off the function that the material piece possesses the fluctuation, this kind of mode of setting can increase as far as possible and take off the high distance of material piece bottom and drift bottom under the condition that does not influence follow-up punching press meshing convex part, and the drift appears interfering phenomenon with the wire rod when preventing to keep off the material.

The invention also provides a method for manufacturing the zipper teeth, which relates to a device for manufacturing the zipper teeth, and the device for manufacturing the zipper teeth comprises a sliding seat, a blanking die, a cutter, a punch and a stripping piece, wherein the blanking die is arranged on the front side of the sliding seat, the upper side of the sliding seat is provided with a cutting plane, a wire passage longitudinally extending from the bottom surface of the sliding seat to the cutting plane is arranged in the sliding seat, the blanking die is provided with a forming part positioned below the cutting plane, the sliding seat is moved back and forth in a reciprocating manner by a driving mechanism, the cutter is in sliding contact with the cutting plane, the cutting edge of the cutter corresponds to the wire passage, the punch is arranged above the cutting edge in a lifting manner, the stripping piece is arranged on the front side of the punch and extends downwards to the lower part of the punch.

The method for manufacturing the fastener element includes the following steps.

And a feeding step of intermittently feeding the wire material above the cutting plane by a preset feeding amount each time through the wire material passage.

And in the material cutting process, the part of the wire protruding the cutting plane enters the cutting edge along with the backward movement of the sliding seat and is cut off under the cutting of the cutting edge to form a slice.

A material blocking step, wherein when the wire is cut, the material stripping piece descends to the front side of the wire in the blade opening and at least partially shields the wire in the blade opening; preferably, before the wire rod is cut, the stripping piece begins to descend, so that when the wire rod begins to be cut, the stripping piece at least partially shields the wire rod positioned in the blade, and the arrangement mode can reduce the interval time between the working procedures, thereby improving the cutting efficiency.

And a molding step, after the section is formed, the cutter pushes the section to a molding part along with the continuous backward movement of the sliding seat, and the punch descends to punch the meshing convex part on the section so as to form the zipper teeth.

Compared with the prior art, the method for manufacturing the chain tooth comprises a material blocking process, and the material dropping part is lowered to the front side of the wire rod in the cutting edge during material cutting, so that the wire rod which is cut in the cutting edge is blocked, the material blocking effect is achieved, the wire rod is prevented from flying out of the cutting edge at the moment of cutting, the phenomenon that the cloth belt lacks teeth during subsequent tooth arrangement is avoided, the production efficiency is effectively improved, and the rework rate is reduced.

The invention also provides a zipper tooth arrangement device, which comprises the zipper tooth manufacturing device, a cloth belt feeding mechanism and a clamping mechanism, wherein the cloth belt feeding mechanism comprises a material conveying frame fixedly arranged on the front side of the forming part, the material conveying frame is used for loading cloth belts and intermittently conveying the cloth belts upwards at a preset supply amount each time, the clamping mechanism comprises clamping components arranged on two opposite sides above the forming part, the clamping components on each side respectively comprise a first clamping arm positioned on the upper side of the forming part and a second clamping arm positioned on the upper side of the first clamping arm, the front end of the blanking die is provided with a slot for the material conveying frame to enter the forming part, the sliding seat moves forwards during tooth arrangement to enable the material conveying frame to be arranged in the forming part through the slot, the first clamping arm clamps clamp the cloth belts, and the second clamping arms press slices positioned on the forming part onto the cloth belts.

Further, the relative both sides of slide are equipped with the fixing base respectively, and the centre gripping subassembly of every side is installed on the blanking mould through the arm lock mount pad respectively, first arm lock, second arm lock are telescopically located on the arm lock mount pad, the moving direction along the slide in the fixing base is equipped with first wedge and second wedge respectively, first arm lock one end extends to the shaping portion, and the other end is equipped with the first wedge portion with first wedge movable fit, second arm lock one end extends to the shaping portion, and the other end is equipped with the second wedge portion with second wedge movable fit.

Be connected with between first arm lock and the arm lock mount pad and order about first arm lock to be close to the first wedge first elasticity piece that resets, be connected with between second arm lock and the arm lock mount pad and order about second arm lock to be close to the second wedge second elasticity piece that resets one side resets.

Along with the forward movement of the sliding seat, the first wedge-shaped block is contacted with the first wedge-shaped part to enable the first clamping arms on the two sides to be close to the clamping cloth belt in opposite directions, and the second wedge-shaped block is contacted with the second wedge-shaped part to enable the second clamping arms on the two sides to be close to the pressing and slicing in opposite directions.

Along with the backward movement of the sliding seat, the first wedge-shaped block is separated from the first wedge-shaped part to enable the first clamping arms on the two sides to be relatively far away from the loosening cloth belt, and the second wedge-shaped block is separated from the second wedge-shaped part to enable the second clamping arms on the two sides to be relatively far away from the loosening slicing.

The driving mode of the clamping assembly is simple in structure, the control response of the stretching of the clamping arm is fast, and the clamping assembly is favorable for production and use.

Furthermore, in order to improve the adaptability of the tooth arrangement device to cloth belts and wires of different specifications, a third elastic reset piece for driving the first wedge block to be away from the first clamping arm is connected between the first wedge block and the fixed seat, a first screw is connected to the outer side of the fixed seat, and the first screw can be pressed against the outer end of the first wedge block in a screwing-in length adjustable manner so as to adjust the transverse distance between the first clamping arms on two sides when clamping the cloth belts; be connected with between second wedge and the fixing base and order about the fourth elasticity that the second wedge kept away from the second arm lock and reset the piece, the fixing base outside is connected with the second screw, the adjustable screw in length ground of second screw supports and presses in the outer end of second wedge to horizontal interval when adjusting both sides second arm lock pressfitting section, above-mentioned setting mode can make row tooth device be applicable to the zip fastener of making different specifications, and the practicality is strong.

Further, for the steadiness of further improvement wedge, what appear when avoiding cooperating with the arm lock rocks and leads to pressing from both sides the unstable condition of material, the upside of fixing base is equipped with the shop bolt that is used for locking first wedge and second wedge respectively, first wedge and second wedge correspond the shop bolt is equipped with the locating hole respectively, the shop bolt inserts the downthehole realization locking of locating hole.

Compared with the prior art, the tooth arrangement device provided by the invention adopts the chain tooth manufacturing device, so that the wire can be prevented from flying out of the cutting edge at the moment of cutting off, the phenomenon that the cloth belt lacks teeth during subsequent tooth arrangement is avoided, the production efficiency is effectively improved, the rework rate is reduced, the width between the clamping arms is convenient and quick to adjust, the positions of the first wedge-shaped block and the second wedge-shaped block can be adjusted according to the screwed-in length of the screw by rotating the screwed-in length of the screw and combining the third elastic reset piece and the fourth elastic reset piece, and the width distance between the clamping arms at two sides when materials are clamped is changed.

Drawings

FIG. 1 is a schematic view of a fastener element manufacturing apparatus in a supply process;

FIG. 2 is a partial enlarged view of area A of FIG. 1;

FIG. 3 is a schematic view of the fastener element manufacturing apparatus in a blanking step;

FIG. 4 is a partial enlarged view of the area B of FIG. 3;

FIG. 5 is a schematic view showing the structure of the fastener element manufacturing apparatus when the chip is pushed to the molding section;

FIG. 6 is a partial enlarged view of area C of FIG. 5;

FIG. 7 is a schematic view of the fastener element manufacturing apparatus in a molding process;

FIG. 8 is an enlarged view of a portion of region D of FIG. 7;

FIG. 9 is a schematic diagram of a cam structure, wherein the broken line portion is a conventional cam structure;

FIG. 10 is an exploded view of the clamping mechanism;

fig. 11 is a partial structural view of the tooth aligning device in a top view.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 to 8, the present invention provides a device for manufacturing a fastener element of a slide fastener, comprising a slide base 1, a cutter 2, a punch 3 and a stripper 4, which are arranged above the slide base 1, wherein the slide base 1 is provided with a cutting plane 10 at an upper side, a wire passage 11 longitudinally extending from a bottom surface of the slide base 1 to the cutting plane 10 is arranged inside the slide base, a blanking die 5 is connected at a front side, the blanking die 5 is provided with a forming part 51 positioned below the cutting plane 10, the wire passage 11 is used for intermittently conveying a wire 6 above the cutting plane 10 by a preset supply amount each time, and the intermittent conveyance of the wire 6 is realized by a feeding mechanism, which is not an improvement of the present invention and can adopt a known scheme in the prior art, so that the detailed description is omitted; the sliding base 1 is moved back and forth by a driving mechanism (not shown), which may be a conventional screw driving mechanism or a pneumatic mechanism. The cutter 2 with cut out the plane 10 sliding contact, the blade 21 of cutter 2 corresponds wire rod passageway 11, blade 21 top is located to drift 3 liftable, take off the front side of drift 3 is located to material 4 liftable ground.

Referring to fig. 2, 4, 6 and 8, when cutting, the part of the wire 6 protruding out of the cutting plane 10 enters the cutting edge 21 along with the backward movement of the sliding base 1, the stripper 4 descends to the front side of the wire 6 in the cutting edge 21 and at least partially shields the wire 6 in the cutting edge 21, the cutting edge 21 cuts the wire 6 along with the backward movement of the sliding base 1 to form a cut piece 60 and pushes the cut piece to the forming part 51, so that the cutting is completed, and then the punch 3 descends to punch an engaging convex part on the cut piece 60 on the forming part 51 to complete the manufacturing of the zipper teeth. Preferably, in order to reduce the time interval between the processes, the stripping member 4 starts to descend before the cutting of the wire 6, so that the stripping member 4 at least partially shields the wire 6 in the cutting edge 21 when the cutting of the wire 6 is started, thereby improving the efficiency of the cutting.

Referring to fig. 1 to 8, as a specific embodiment, the stripper 4 is disposed on the punch 3, the stripper 4 extends downward below the punch 3, and the stripper 4 and the punch 3 are lifted and lowered synchronously by the blanking mechanism 7, wherein the lifting process includes a first stroke of driving the stripper 4 to descend to shield the wire 6 and a second stroke of driving the punch 3 to descend to punch the cut piece 60, the first stroke prevents the cut piece 60 from flying out of the cutting edge 21 when the wire 6 is cut off, and the second stroke causes the cut piece 60 to punch the engaging convex portion on the forming portion 51. The arrangement mode can simplify the blanking mechanism 7 for driving the stripping part 4 and the punch 3 to descend, depression of two parts can be realized by arranging one blanking mechanism 7, and the cost of the equipment is effectively reduced. Specifically, the blanking mechanism 7 includes a cam 71 and a swing arm 72, a fulcrum 721 is disposed in the middle of the swing arm 72 and can swing around the fulcrum 721, the head end of the swing arm 72 contacts with the upper side of the punch 3, and the tail end of the swing arm is provided with a mover 722 engaged with the cam 71.

Referring to fig. 9, the arc surface of the outer contour of the cam 71 includes a first convex surface 711 corresponding to a first stroke, a second convex surface 712 corresponding to a second stroke, and an arc surface 713 connecting the first convex surface 711 and the second convex surface 712, a curvature of the first convex surface 711 is smaller than a curvature of the second convex surface 712, when the cam 71 rotates to the arc surface 713 to be matched with the mover 722, the punch 3 drives the stripper 4 to return to the upper side through a first elastic floating mechanism (not shown in the drawing), as a specific implementation manner, the first elastic floating mechanism includes a spring, a frame is fixed on the outer side of the punch, the punch 4 is movably disposed on the frame up and down, and the spring is connected between the frame and the punch 4. The blanking mechanism 7 is simple in arrangement mode and structure, and the depression process of the stripper 4 and the punch 3 can be controlled by adjusting parameters of the arc surface of the outline of the cam 71. Because the existing zipper tooth manufacturing process does not include a material blocking process, and the outline arc surface of the existing cam 70 (the dotted line part in the figure is the existing cam structure) comprises a second convex surface 712 and arc surfaces 713 symmetrically arranged on two opposite sides of the second convex surface 712, compared with the structure of the existing cam 70, the cam 71 provided by the invention is additionally provided with the first convex surface 711 positioned between the arc surface 713 and the second arc surface 712 besides the second arc surface 712 to form an asymmetric cam structure, so that the secondary downward punching process of the stripping part 4 and the punch 3 is driven, and the functions of material blocking and punching are achieved.

It should be noted that the mover 722 is in rolling contact with the cam 71, wherein the mover 722 may be rotatably disposed at the end of the swing arm 72, or may be non-rotatably disposed at the end of the swing arm 72; the surface of the mover 722 in contact with the cam 71 is an arc surface, when the first arc surface 711 and the second arc surface 712 of the cam 71 rotate to be in contact with the mover 722, a force for pushing the mover 722 upwards is generated, so that the head end of the swing arm 72 is driven to swing downwards to press the punch 3, and the punch 3 and the stripping member 4 descend synchronously, and when the arc surface 713 of the cam 71 rotates to be in contact with the mover 722, the head end of the swing arm 72 swings upwards to release the punch 3, so that the head 3 and the stripping member 4 are reset upwards under the elastic force of the first elastic floating member.

Referring to fig. 7 and 8, a second elastic floating mechanism (not shown in the drawing) is arranged between the stripping member 4 and the punch 3 and connected with the punch 3, so that the stripping member 4 has a function of floating up and down, and the arrangement mode can increase the height distance between the bottom end of the stripping member 4 and the bottom end of the punch 3 as much as possible without affecting the subsequent punching meshing convex part, so as to prevent the punch 3 and the wire 6 from interfering during material blocking. Preferably, the second elastic floating mechanism includes an elastic restoring member, such as a spring, as a specific embodiment, the stripping member 4 is movably disposed at the front side of the punch 3 up and down, and the elastic restoring member is connected between the upper end of the stripping member 4 and the upper end of the punch 3.

Compared with the prior art, the chain tooth manufacturing device provided by the invention has the advantages that the stripping piece 4 is arranged on the front side of the punch 3, and the stripping piece 4 is lowered to the front side of the wire 6 in the cutting edge 21 during cutting, so that the wire 6 which is sheared in the cutting edge 21 is shielded during cutting, a material blocking effect is realized, the wire 6 is prevented from flying out of the cutting edge 21 at the moment of cutting, the phenomenon that the cloth belt is lack of teeth during subsequent tooth arrangement is avoided, the production efficiency is effectively improved, and the rework rate is reduced.

Example two:

referring to fig. 1 to 8, the present embodiment provides a method of manufacturing a fastener element of a slide fastener, relating to a fastener element manufacturing apparatus, the zipper teeth manufacturing device comprises a sliding seat 1, a blanking die 5, a cutter 2, a punch 3 and a stripping piece 4, the blanking die 5 is arranged at the front side of the sliding seat 1, the upper side of the sliding seat 1 is provided with a cutting plane 10, a wire passage 11 longitudinally extending from the bottom surface of the sliding seat 1 to the cutting plane 10 is arranged inside the sliding seat 1, the blanking die 5 is provided with a forming part 51 positioned below the cutting plane 10, the slide carriage 1 is driven by a driving mechanism to realize reciprocating translation back and forth, the cutting knife 2 is in sliding contact with the cutting plane 10, the cutting edge 21 of the cutting knife 2 corresponds to the wire passage 11, the punch 3 is arranged above the cutting edge 21 in a lifting way, the stripping part 4 is arranged at the front side of the punch 3, which extends downwards below the punch 3, and the stripper 4 and the punch 3 are synchronously lifted and lowered by a blanking mechanism 7.

The method for manufacturing the zipper element comprises the following steps:

intermittently conveying the wire 6 above the cutting plane 10 by a preset supply amount each time through the wire channel 11, moving the sliding seat 1 backwards to drive the wire 6 to move towards the cutting edge 21, driving the punch 3 and the stripping part 4 to start descending at the same time, so that when the sliding seat 1 moves until the wire 6 enters the cutting edge 21 and starts cutting, the stripping part 4 at least partially shields the front side of the wire 6 in the cutting edge 21, the cutting edge 21 continuously cuts the wire 6 along with the sliding seat 1, and the stripping part 4 and the punch 3 continuously descend until the wire 6 protruding out of the cutting plane 10 in the cutting edge 21 is cut off, so as to ensure that the wire 6 can be prevented from flying out to the maximum extent when being cut off, and finish a first stroke; subsequently, the slide 1 moves back to drive the cutter 2 to push the cut piece 60 cut from the wire 6 to the forming part 51, the height of the stripper 4 and the punch 3 is kept unchanged, and after the cut piece 60 is pushed to the forming part 51, the punching mechanism 7 drives the punch 3 to descend together with the stripper 4 to punch an engaging convex part on the cut piece 60, so that a second stroke is completed, and the chain tooth is manufactured.

Compared with the prior art, the method for manufacturing the zipper teeth comprises a material blocking process, the material dropping part 4 is lowered to the front side of the wire 6 in the cutting edge 21 during material cutting, so that the wire 6 which is positioned in the cutting edge 21 and is being cut is blocked, the material blocking effect is achieved, the wire 6 is prevented from flying out of the cutting edge 21 at the moment of cutting, the phenomenon that the wire 6 is lack of teeth in a cloth belt during subsequent tooth arrangement is avoided, the production efficiency is effectively improved, the rework rate is reduced, in addition, the interval time between processes can be reduced by the arrangement mode that the first stroke is carried out before the material cutting is started, and the material cutting efficiency is improved.

Example three:

referring to fig. 7, 8, 10 and 11, the present embodiment provides a tooth arranging apparatus of a slide fastener, which comprises the zipper teeth manufacturing device, a cloth tape supply mechanism and a material clamping mechanism, wherein the cloth tape supply mechanism comprises a material conveying frame 100 fixedly arranged at the front side of a forming part 51, the feeding frame 100 is used for loading the cloth tapes and intermittently feeding the cloth tapes upwards at a preset feeding amount each time, the material clamping mechanism comprises clamping assemblies 8 arranged on two opposite sides above the forming part 51, the clamping assemblies 8 on each side respectively comprise a first clamping arm 81 positioned on the upper side of the forming part 51 and a second clamping arm 82 positioned on the upper side of the first clamping arm 81, the front end of the blanking die 5 is provided with a slot 52 for the material conveying frame 100 to enter the forming part 51, when the teeth are arranged, the sliding seat 1 moves forward to enable the material conveying frame 100 to be arranged in the forming part 51 through the slot 52, the first clamping arm 81 clamps the cloth belt, and the second clamping arm 82 presses the cut piece 60 on the forming part 51 onto the cloth belt.

Referring to fig. 10 and 11, as a specific embodiment, fixing seats 9 are respectively disposed on two opposite sides of the sliding seat 1, the clamping assembly 8 on each side is respectively mounted on the blanking die 5 through a clamping arm mounting seat 83, the first clamping arm 81 and the second clamping arm 82 are telescopically disposed on the clamping arm mounting seat 83, a first wedge block 91 and a second wedge block 92 are respectively disposed in the fixing seats 9 along a moving direction of the sliding seat 1, one end of the first clamping arm 81 extends to the forming portion 51, the other end of the first clamping arm is provided with a first wedge portion 810 movably matched with the first wedge block 91, one end of the second clamping arm 82 extends to the forming portion 51, and the other end of the second clamping arm 82 is provided with a second wedge portion 820 movably matched with the second wedge block 92.

A first elastic reset piece 84 for driving the first clamping arm 81 to reset towards the side close to the first wedge-shaped block 91 is connected between the first clamping arm 81 and the clamping arm mounting seat 83, and a second elastic reset piece 85 for driving the second clamping arm 82 to reset towards the side close to the second wedge-shaped block 92 is connected between the second clamping arm 82 and the clamping arm mounting seat 83.

With the forward movement of the sliding seat 1, the first wedge-shaped block 91 contacts with the first wedge-shaped part 810 to enable the first clamping arms 81 on the two sides to approach to the clamping cloth belt oppositely, and the second wedge-shaped block 92 contacts with the second wedge-shaped part 820 to enable the second clamping arms 82 on the two sides to approach to the pressing slice 60 oppositely.

With the backward movement of the sliding seat 1, the first wedge-shaped block 91 is separated from the first wedge-shaped part 810 so that the first clamping arms 81 on the two sides are relatively far away from the loosening cloth belt, and the second wedge-shaped block 92 is separated from the second wedge-shaped part 820 so that the second clamping arms 82 on the two sides are relatively far away from the loosening slice 60.

The driving mode of the clamping assembly 8 is simple in structure, the control reaction of the stretching of the clamping arm is fast, and the production and the use are facilitated.

Referring to fig. 10 and 11, as a specific embodiment, in order to improve the adaptability of the tooth arrangement device to different specifications of cloth tapes and wire materials 6, a third elastic reset member 93 for driving the first wedge-shaped block 91 to be away from the first clamping arm 81 is connected between the first wedge-shaped block 91 and the fixed seat 9, a first screw 95 is connected to the outer side of the fixed seat 9, and the first screw 95 is pressed against the outer end of the first wedge-shaped block 91 in a screwing-in length adjustable manner to adjust the transverse distance between the first clamping arms 81 on both sides when clamping the cloth tapes; be connected with between second wedge 92 and the fixing base 9 and order about second wedge 92 and keep away from the fourth elasticity piece 94 that resets of second arm lock 82, the fixing base 9 outside is connected with second screw 96, the adjustable screw in length ground of second screw 96 is supported and is pressed in the outer end of second wedge 92 to horizontal interval when adjusting both sides second arm lock 82 pressfitting section 60, above-mentioned mode of setting can make the tooth device be applicable to the zip fastener of making different specifications, and the practicality is strong.

Referring to fig. 10 and 11, as a specific embodiment, in order to further improve the stability of the wedge block and avoid unstable material clamping caused by shaking occurring when the wedge block is matched with the clamp arm, the upper side of the fixing seat 9 is respectively provided with a positioning pin 97 for locking the first wedge block 91 and the second wedge block 92, the first wedge block 91 and the second wedge block 92 are respectively provided with a positioning hole 98 corresponding to the positioning pin 97, and the positioning pin 97 is inserted into the positioning hole 98 to realize locking.

Compared with the prior art, the tooth arrangement device provided by the invention adopts the chain tooth manufacturing device, so that the wire 6 can be prevented from flying out of the cutting edge 51 at the moment of cutting off, the phenomenon that the cloth belt lacks teeth during subsequent tooth arrangement is avoided, the production efficiency is effectively improved, the rework rate is reduced, the width between the clamping arms can be conveniently and quickly adjusted, and the positions of the first wedge-shaped block 91 and the second wedge-shaped block 92 can be adjusted according to the screwing-in length of the screw by rotating the screwing-in length of the screw and combining the third elastic reset piece 93 and the fourth elastic reset piece 94, so that the width distance between the clamping arms at two sides when the material is clamped is changed.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A zipper tooth manufacturing device of a zipper comprises a sliding seat, a cutter and a punch, wherein the cutter and the punch are arranged above the sliding seat, a cutting plane is arranged on the upper side of the sliding seat, a wire passage longitudinally extending from the bottom surface of the sliding seat to the cutting plane is arranged in the sliding seat, a blanking die is connected to the front side of the sliding seat, a forming part located below the cutting plane is arranged on the blanking die, the sliding seat is moved back and forth in a reciprocating mode through a driving mechanism, the cutter is in sliding contact with the cutting plane, the cutting edge of the cutter corresponds to the wire passage, and the punch is arranged above the;

the method is characterized in that: locate the material piece that takes off of drift front side still including liftable ground, the wire rod is outstanding during the blank cuts out planar part and gets into the blade along with the back migration of slide, takes off the material piece and descends to the front side of the interior wire rod of blade, and at least part shelters from the interior wire rod of blade, and the blade cuts off the wire rod along with the back migration of slide and forms the section and propelling movement to the shaping portion, and the drift descends and punches the meshing convex part on the section to form chain tooth.

2. The fastener element manufacturing apparatus according to claim 1, wherein: the utility model discloses a wire rod cutting machine, including the punch head, take off the material piece and locate on the punch head, take off the below that the material piece downwardly extending to the punch head, take off material piece and punch head and realize synchronous lift through blanking mechanism, wherein the decline process is including ordering about to take off the first stroke that the material piece descends and shelter from the wire rod and ordering about the second stroke that the punch head descends and punches the section, first stroke prevents that the wire rod from flying out the blade when cutting off, the second stroke makes the wire rod section punch out on the shaping portion meshing convex part.

3. The fastener element manufacturing apparatus according to claim 2, wherein: blanking mechanism includes cam and swing arm, the swing arm middle part is around a fulcrum swing, the head end of swing arm with the upside contact of drift, the end be equipped with cam complex active cell, the profile cambered surface of cam is including the first convex surface that corresponds first stroke, the second convex surface that corresponds the second stroke and link up the circular arc surface of first convex surface and second convex surface, the camber of first convex surface is less than the camber of second convex surface, works as the cam rotates extremely during circular arc surface and active cell cooperation, the drift drives through first elastic floating mechanism and takes off the material piece and resets to the upside.

4. The fastener element manufacturing apparatus according to claim 2, wherein: and a second elastic floating mechanism is arranged between the stripping piece and the punch, so that the stripping piece can float up and down.

5. A method for manufacturing a fastener element of a slide fastener, characterized by: the chain tooth manufacturing device comprises a sliding seat, a blanking die, a cutter, a punch and a stripping piece, wherein the blanking die is arranged on the front side of the sliding seat, a cutting plane is arranged on the upper side of the sliding seat, a wire passage longitudinally extending from the bottom surface of the sliding seat to the cutting plane is arranged in the sliding seat, a forming part located below the cutting plane is arranged on the blanking die, the sliding seat is moved back and forth in a reciprocating mode through a driving mechanism, the cutter is in sliding contact with the cutting plane, the cutting edge of the cutter corresponds to the wire passage, the punch is arranged above the cutting edge in a lifting mode, the stripping piece is arranged on the front side of the punch and extends downwards to the lower side of the punch, and the stripping piece and the punch are lifted synchronously through a blanking mechanism;

the method for manufacturing the zipper element comprises the following steps:

a feeding step of intermittently feeding the wire material to above the cutting plane by a preset feeding amount each time through the wire material passage;

a material cutting procedure, wherein the part of the wire rod protruding out of the cutting plane enters the cutting edge along with the backward movement of the sliding seat and is cut under the cutting of the cutting edge to form a slice;

a material blocking step, wherein when the wire is cut, the material stripping piece descends to the front side of the wire in the blade opening and at least partially shields the wire in the blade opening;

6. The fastener element manufacturing method according to claim 5, wherein: before the wire rod is cut, the stripping piece begins to descend, so that when the wire rod begins to be cut, the stripping piece at least partially shields the wire rod in the cutting edge.

7. A tooth arrangement device of a zipper is characterized in that: the zipper tooth manufacturing device comprises a zipper tooth manufacturing device, a cloth tape feeding mechanism and a clamping mechanism, wherein the cloth tape feeding mechanism comprises a material conveying frame fixedly arranged on the front side of a forming part, the material conveying frame is used for loading cloth tapes and intermittently and upwards conveying the cloth tapes at a preset feeding amount each time, the clamping mechanism comprises clamping components arranged on two opposite sides above the forming part, the clamping components on each side respectively comprise a first clamping arm positioned on the upper side of the forming part and a second clamping arm positioned on the upper side of the first clamping arm, the front end of a blanking die is provided with a slot for the material conveying frame to enter the forming part, the sliding seat moves forwards to enable the material conveying frame to pass through the slot and be placed in the forming part during tooth arrangement, the first clamping arm clamps the cloth tapes, and the second clamping arm presses slices positioned on the forming part onto the cloth tapes.

8. The tooth aligning device of claim 7, wherein: the two opposite sides of the sliding seat are respectively provided with a fixed seat, the clamping assembly on each side is respectively installed on a blanking die through a clamping arm installation seat, the first clamping arm and the second clamping arm are telescopically arranged on the clamping arm installation seat, a first wedge-shaped block and a second wedge-shaped block are respectively arranged in the fixed seats along the moving direction of the sliding seat, one end of the first clamping arm extends to the forming part, the other end of the first clamping arm is provided with a first wedge-shaped part movably matched with the first wedge-shaped block, one end of the second clamping arm extends to the forming part, and the other end of the second clamping arm is provided with a second wedge-shaped part movably matched with the second wedge;

a first elastic reset piece for driving the first clamping arm to reset towards one side close to the first wedge-shaped block is connected between the first clamping arm and the clamping arm mounting seat, and a second elastic reset piece for driving the second clamping arm to reset towards one side close to the second wedge-shaped block is connected between the second clamping arm and the clamping arm mounting seat;

along with the forward movement of the sliding seat, the first wedge-shaped block is contacted with the first wedge-shaped part to enable the first clamping arms on the two sides to be close to the clamping cloth belt in an opposite direction, and the second wedge-shaped block is contacted with the second wedge-shaped part to enable the second clamping arms on the two sides to be close to the pressing and slicing in an opposite direction;

9. The tooth aligning device of claim 8, wherein: a third elastic reset piece for driving the first wedge block to be far away from the first clamping arms is connected between the first wedge block and the fixed seat, a first screw is connected to the outer side of the fixed seat, and the first screw can be pressed against the outer end of the first wedge block in a screwing-in length adjustable mode so as to adjust the transverse distance between the first clamping arms on the two sides when clamping the cloth belts;

be connected with between second wedge and the fixing base and order about the fourth elasticity that the second wedge kept away from the second arm lock and reset the piece, the fixing base outside is connected with the second screw, the adjustable screw in length ground of second screw supports presses the outer end at the second wedge to adjust the horizontal interval when both sides second arm lock pressfitting section.

10. The tooth aligning device of claim 9, wherein: the upside of fixing base is equipped with the dowel that is used for locking first wedge and second wedge respectively, first wedge and second wedge correspond dowel is equipped with the locating hole respectively, the dowel inserts the realization locking in the locating hole.