CN110102664B - Protection mechanism of zipper machine and zipper tooth manufacturing device - Google Patents
Protection mechanism of zipper machine and zipper tooth manufacturing device Download PDFInfo
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- CN110102664B CN110102664B CN201910471582.4A CN201910471582A CN110102664B CN 110102664 B CN110102664 B CN 110102664B CN 201910471582 A CN201910471582 A CN 201910471582A CN 110102664 B CN110102664 B CN 110102664B
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- blocking piece
- punch
- sliding plate
- wire
- cutting plane
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- 230000007246 mechanism Effects 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 230000004224 protection Effects 0.000 title claims abstract description 26
- 238000005520 cutting process Methods 0.000 claims abstract description 78
- 230000000903 blocking effect Effects 0.000 claims abstract description 74
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000009979 protective mechanism Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 22
- 239000000428 dust Substances 0.000 abstract description 20
- 239000002245 particle Substances 0.000 abstract description 15
- 239000012634 fragment Substances 0.000 abstract description 10
- 239000000306 component Substances 0.000 abstract description 3
- 239000008358 core component Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000004080 punching Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 206010044048 Tooth missing Diseases 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000009189 diving Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/04—Stamping using rigid devices or tools for dimpling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/46—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples
- B21D53/50—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples metal slide-fastener parts
- B21D53/52—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples metal slide-fastener parts fastener elements; Attaching such elements so far as this procedure is combined with the process for making the elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Slide Fasteners (AREA)
Abstract
The invention belongs to the technical field of zipper manufacturing equipment, and particularly relates to a protection mechanism and a zipper tooth manufacturing device of a zipper machine, which comprises a main slide plate, wherein the main slide plate is in reciprocating translation back and forth by a driving mechanism, a cutting plane is arranged on the upper side of the main slide plate, a wire channel extending to the cutting plane longitudinally from the bottom surface of the main slide plate is arranged in the main slide plate, the protection mechanism comprises a fixing seat and a blocking piece, the fixing seat is fixedly arranged above the cutting plane relative to the main slide plate, the front side position of the fixing seat is used for installing a cutter, the blocking piece is transversely arranged at the lower end of the fixing seat, the bottom of the blocking piece is in sliding contact with the cutting plane, the blocking piece is arranged on the upper side of the main slide plate through the fixing seat and is in sliding contact with the cutting plane, metal dust, fragments and particles cannot enter into an area behind the fixing seat along with the translation of the main slide plate under the blocking of the blocking piece, so that core components which are installed behind the fixing seat and move at a high speed are protected, and the service life of the components is effectively prolonged.
Description
Technical Field
The invention belongs to the technical field of zipper manufacturing equipment, and particularly relates to a protection mechanism of a zipper machine and a zipper tooth manufacturing device.
Background
The conventional element manufacturing process includes a blanking process and a punching and engagement protrusion process, wherein a blanking device involved in the blanking process comprises a main slide plate and a cutter, a wire rod channel for feeding wires upwards is arranged on the main slide plate, the cutter is arranged on the upper side of the main slide plate and is in sliding contact with the main slide plate, a core component is arranged in the area of the rear side of the cutter, a blanking die is arranged on the front side of the main slide plate, a lifting punch is arranged above the blanking die, the main slide plate moves backwards during blanking to enable the cutter to cut wires on the upper side of the main slide plate, so that a slice is formed, the slice is pushed onto the blanking die along with the continuous backward movement of the main slide plate, and the meshing protrusion is punched on the engagement head by the punch, so that the manufacture of one element is completed, and then the main slide plate moves forwards to reset and repeats the steps, thus the cycle realizes automatic element manufacturing.
Because metal dust and metal fragments can be produced when the wire rod is sheared and the meshing convex part is stamped, the metal dust, fragments and particles can be brought into the area at the rear side of the cutter in the reciprocating translation process of the main sliding plate, the metal dust, fragments and particles can be continuously piled up after long-term use, the core part is easily damaged, the service life of equipment is influenced, and the production is not facilitated, so that the development of a zipper machine protection mechanism for blocking dust, metal fragments, particles and other impurities is necessary.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a zipper machine protection mechanism capable of blocking dust, metal scraps, particles and other impurities.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a protection machanism of zip fastener machine, the zip fastener machine that involves includes main slide, main slide realizes back and forth reciprocal translation by actuating mechanism, main slide upside is equipped with tailors the plane, and inside is equipped with independently slide bottom surface longitudinal extension extremely tailors planar wire rod passageway, protection machanism includes fixing base and blocking piece, the fixing base is located relatively main slide tailors the plane top, the front side position of fixing base is used for installing the cutter, blocking piece transversely locates the lower extreme of fixing base, its bottom with tailors planar sliding contact.
Compared with the prior art, the blocking piece is arranged on the upper side of the main sliding plate through the fixing seat and is in sliding contact with the cutting plane, and the blocking piece pushes and scrapes the cutting plane along with the backward movement of the main sliding plate, so that metal dust, fragments and particles generated during wire cutting and convex stamping engagement are blocked outside the blocking piece, and the metal dust, the fragments and the particles can not enter into the area behind the fixing seat along with the translation of the main sliding plate under the blocking of the blocking piece, so that the parts mounted behind the fixing seat are protected, and the service life of the parts is effectively prolonged.
Further, the length of the blocking piece is set to be adaptive to the width of the cutting plane, so that metal dust, scraps and particles are prevented from entering the area behind the fixing seat to the greatest extent, and the protection effect is further improved.
Further, the lower end of the fixing seat is provided with a mounting groove corresponding to the blocking piece, the blocking piece is mounted in the mounting groove, and the bottom of the blocking piece downwards extends out of the mounting groove and is abutted to the cutting plane. Preferably, an elastic floating mechanism is arranged between the mounting groove and the blocking piece, so that the blocking piece is clung to the cutting plane; preferably, the elastic floating mechanism comprises a plurality of springs which are arranged at intervals along the length direction of the blocking piece, the upper side of the mounting groove is provided with a plurality of mounting holes corresponding to the plurality of springs respectively, each spring is mounted in the corresponding mounting hole, the springs are abutted between the upper side of the mounting hole and the upper side of the blocking piece, and the elastic floating mechanism is arranged, so that the blocking piece is attached to the clipping plane at any time, and metal dust, fragments and particles cannot pass through the clipping plane.
Further, the lateral part of mounting groove is equipped with the locating hole, the barrier lateral part corresponds the locating hole is equipped with the waist type hole that extends along its direction of floating, waist type hole with the locating hole passes through pin connection, and above-mentioned setting mode simple structure blocks the installation location convenient and fast of piece.
Further, the main sliding plate and the blocking piece are made of hard metal materials, and the metal materials are preferably heat-treated hard materials, so that the wear resistance of the main sliding plate and the blocking piece is improved.
Furthermore, the side part of the blocking piece is in clearance fit with the inner wall of the mounting groove, so that the blocking piece is more tightly matched with the mounting groove, larger gaps are avoided between the blocking piece and the mounting groove, metal dust, scraps and particles are prevented from entering, and the adverse phenomenon that the blocking piece shakes back and forth when the main sliding plate translates is avoided.
The invention also provides a tooth manufacturing device applying the protection mechanism, which comprises a main sliding plate, a cutter, a punch and the protection mechanism, wherein the main sliding plate is driven by a driving mechanism to realize back-and-forth reciprocating translation, a cutting plane is arranged on the upper side of the main sliding plate, a wire rod channel which is longitudinally extended from the bottom surface of the main sliding plate to the cutting plane is arranged in the main sliding plate, a blanking die is connected to the front side of the main sliding plate, a forming part positioned below the cutting plane is arranged on the blanking die, the cutter is arranged on the front side of a fixing seat, the cutter is in sliding contact with the cutting plane, the cutting edge of the cutter corresponds to the wire rod channel, and the punch is arranged above the cutting edge in a lifting manner.
When cutting materials, the part of the wire rod protruding out of the cutting plane enters the cutting edge along with the backward movement of the main sliding plate, the cutting edge cuts the wire rod along with the backward movement of the main sliding plate to form a slice and pushes the slice to the forming part, and the punch descends to punch out the engaging convex part on the slice so as to form the chain tooth.
Because the above-mentioned chain tooth manufacturing installation has adopted foretell protection machanism to ensure that the metal dust that produces when shearing wire rod and punching press meshing convex part, piece and granule are blocked in the barrier outside, make metal dust, piece and granule can not enter the region behind the fixing base along with the translation of main slide, thereby the protection is installed at the part behind the fixing base, improves the life of part effectively.
Further, the front side of the punch is connected with a stripping part, the stripping part downwards extends to the lower side of the punch, the stripping part and the punch realize synchronous lifting through a blanking mechanism, and the stripping part descends to the front side of the wire in the cutting edge when the wire is sheared, and at least partially shields the wire in the cutting edge. The descending process of the stripping part and the punch comprises a first stroke for driving the stripping part to descend to shield the wire and a second stroke for driving the punch to descend to punch the cut piece, wherein the first stroke prevents the cut piece from flying out of the cutting edge when the wire is cut off, and the second stroke enables the cut piece of the wire to punch out the engagement convex part on the forming part. The setting mode of the stripping piece plays a role in blocking materials during cutting, prevents wires from flying out of the cutting edge in the moment of cutting, avoids the phenomenon of tooth missing of cloth belts in the subsequent tooth arrangement process, effectively improves the production efficiency, and reduces the reworking rate.
Drawings
Fig. 1 is a schematic structural diagram of a protection mechanism according to a first embodiment;
fig. 2 is a cross-sectional view of the shielding mechanism of the first embodiment;
FIG. 3 is an exploded view of the shielding mechanism of the first embodiment;
fig. 4 is a schematic view of the element manufacturing apparatus according to the second embodiment, in which the protection mechanism is omitted and the element manufacturing apparatus is in the supplying process;
FIG. 5 is an enlarged partial view of area A of FIG. 4;
fig. 6 is a schematic structural view of the fastener element manufacturing apparatus according to the second embodiment, in which the protection mechanism is omitted and the fastener element manufacturing apparatus is in the blanking process;
FIG. 7 is an enlarged partial view of region B of FIG. 6;
fig. 8 is a schematic view of a structure of the fastener element manufacturing apparatus according to the second embodiment in which the protection mechanism is omitted and the cut piece is pushed to the molding part;
FIG. 9 is an enlarged partial view of region C of FIG. 8;
fig. 10 is a schematic view of a construction of the fastener element manufacturing apparatus according to the second embodiment, in which the protection mechanism is omitted and the fastener element manufacturing apparatus is in a molding process;
FIG. 11 is a partial enlarged view of region D of FIG. 10;
fig. 12 is a schematic view of the cam structure of the second embodiment, wherein the broken line part is the structure of the existing cam.
Detailed Description
The following describes specific embodiments of the present invention with reference to the drawings.
Embodiment one:
referring to fig. 1 to 3, the present embodiment provides a protection mechanism of a slide fastener machine, which includes a main slide plate 1, the main slide plate 1 is reciprocally translated back and forth by a driving mechanism (not shown in the diagram of the driving mechanism), a cutting plane 10 is disposed at the upper side of the main slide plate 1, a wire channel (not shown in the diagram of the wire channel) extending longitudinally from the bottom surface of the main slide plate 1 to the cutting plane 10 is disposed inside the main slide plate 1, the protection mechanism includes a fixing seat 81 and a blocking member 82, the fixing seat 81 is fixedly disposed above the cutting plane 10 relative to the main slide plate 1, the front side position of the fixing seat 81 is used for mounting a cutter 2, the rear side position of the fixing seat 81 is used for mounting a core component of the slide fastener machine, as shown in the S region of fig. 1, the blocking member 82 is transversely disposed at the lower end of the fixing seat 81, the bottom thereof is in sliding contact with the cutting plane 10, preferably, the blocking member 82 is disposed in a rectangular square structure, and the square structure is tightly matched with the cutting plane 10. The front side in the present embodiment refers to the left side position with respect to the fixing base 81 in fig. 1, and the rear side refers to the right side position with respect to the fixing base 81 in fig. 1.
Compared with the prior art, the blocking piece 82 is arranged on the upper side of the main sliding plate 1 through the fixing seat 81 and is in sliding contact with the cutting plane 10, and the blocking piece 82 pushes and scrapes the cutting plane 10 along with the backward movement of the main sliding plate 1, so that metal dust, fragments and particles F generated when wire rods are sheared and convex parts are meshed in a punching mode are blocked on the outer side of the blocking piece 82, and the metal dust, fragments and particles F cannot enter into the area behind the fixing seat 81 along with the translation of the main sliding plate 1 under the blocking of the blocking piece 82, so that components mounted behind the fixing seat 81 are protected, and the service life of the components is effectively prolonged.
Referring to fig. 2, the length of the blocking member 82 is set to be adapted to the width of the cutting plane 10, thereby maximally preventing metal dust, chips and particles F from entering into the area behind the fixing seat 81, and further providing a protective effect.
Referring to fig. 1 to 3, the lower end of the fixing base 81 is provided with a mounting groove 811 corresponding to the blocking member 82, the blocking member 82 is mounted in the mounting groove 811, and the bottom thereof extends downward out of the mounting groove 811 and abuts against the clipping plane 10. Preferably, a first elastic floating mechanism is disposed between the mounting groove 811 and the blocking member 82, the first elastic floating mechanism includes a plurality of springs 831 disposed at intervals along the length direction of the blocking member 82, a plurality of mounting holes 832 are disposed on the upper side of the mounting groove 811 corresponding to the plurality of springs 831, each spring 831 is mounted in a corresponding mounting hole 832, the springs 831 are abutted between the upper side of the mounting hole 832 and the upper side of the blocking member 82, and by setting the first elastic floating mechanism, the blocking member 82 has a floating effect, in a natural state, the blocking member 82 is always attached to the clipping plane 10 under the downward acting force of the springs 831, so that the blocking member 82 is attached to the clipping plane 10 at any time, and the metal dust, the debris and the particles F cannot pass through.
Referring to fig. 2 and 3, a positioning hole 812 is formed in a side portion of the mounting groove 811, a waist-shaped hole 821 extending along a floating direction of the positioning hole 812 is formed in a side portion of the blocking member 82, the waist-shaped hole 821 and the positioning hole 812 are connected through a pin 80, and the mounting and positioning of the blocking member 82 are convenient and quick due to the simple structure of the arrangement mode.
The side of the blocking piece 82 is in clearance fit with the inner wall of the mounting groove 811, so that the blocking piece 82 is more tightly matched with the mounting groove 811, larger gaps are avoided between the blocking piece 82 and the mounting groove 811, metal dust, scraps and particles F are prevented from entering, and the adverse phenomenon that the blocking piece 82 shakes back and forth when the main sliding plate 1 translates is avoided.
As a specific embodiment, the main sliding plate 1 and the blocking member 82 are made of hard metal, so as to improve the wear resistance of the main sliding plate 1 and the blocking member 82. The hard metal material is preferably a hard material subjected to heat treatment in the prior art, for example, a heat-treated steel material, and can be specifically made of high-hardness wear-resistant SKD11 wear-resistant steel material in the prior art.
Embodiment two:
referring to fig. 1 to 12, the present embodiment provides a fastener element manufacturing apparatus using the protection mechanism of the first embodiment, including a main slide plate 1, a cutter 2, a punch 3, a stripper 4 and the protection mechanism of the first embodiment disposed above the main slide plate 1, wherein a cutting plane 10 is disposed at an upper side of the main slide plate 1, a wire passage 11 extending longitudinally from a bottom surface of the main slide plate 1 to the cutting plane 10 is disposed therein, a cutting die 5 is connected to a front side of the main slide plate 1, a forming portion 51 disposed below the cutting plane 10 is disposed on the cutting die 5, the wire passage 11 is configured to intermittently convey the wire 6 to above the cutting plane 10 at a predetermined supply amount each time, and the intermittent conveyance of the wire 6 is implemented by a feeding mechanism, which is not an improvement of the present invention and may be implemented by a conventional known scheme, and will not be described in detail; the main slide plate 1 is reciprocally translated back and forth by a driving mechanism (not shown in the diagram of the driving mechanism), which may be an existing screw driving mechanism or a pneumatic mechanism. The cutter 2 is arranged on the front side of the fixing seat 81 and is in sliding contact with the cutting plane 10, the cutting edge 21 of the cutter 2 corresponds to the wire rod channel 11, the punch 3 is arranged above the cutting edge 21 in a lifting manner, and the stripper 4 is arranged on the front side of the punch 3 in a lifting manner.
Referring to fig. 5, 7, 9 and 11, the portion of the wire 6 protruding from the cutting plane 10 during cutting enters the cutting edge 21 with the backward movement of the main slide plate 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 with the backward movement of the main slide plate 1 to form a cut piece 60 and pushes the cut piece 60 to the forming part 51, thereby completing the cutting, and then the punch 3 descends to punch out an engagement protrusion on the cut piece 60 on the forming part 51 to complete the manufacture of the fastener element. Preferably, in order to reduce the time interval between the working procedures, the stripper 4 starts to descend before cutting the wire 6, so that the stripper 4 at the beginning of cutting the wire 6 already at least partially shields the wire 6 located in the cutting edge 21, thereby improving the efficiency of cutting.
Referring to fig. 4 to 11, 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 synchronously by the blanking mechanism 7, wherein the lowering process includes a first stroke for driving the stripper 4 to descend to shield the wire 6 and a second stroke for driving the punch 3 to descend to punch the slice 60, the first stroke prevents the slice 60 from flying out of the cutting edge 21 when the wire 6 is cut, and the second stroke causes the wire slice 60 to punch the engagement protrusion on the forming portion 51. The blanking mechanism 7 for driving the stripper 4 and the punch 3 to descend can be simplified by the arrangement mode, and the two parts can be dived through arranging one blanking mechanism 7, so that the cost of equipment is effectively reduced. Specifically, the blanking mechanism 7 includes a cam 71 and a swing arm 72, a fulcrum 721 is provided 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 a mover 722 engaged with the cam 71 is provided at the tail end.
Referring to fig. 12, the outer arc surface 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, where the curvature of the first convex surface 711 is smaller than that of the second convex surface 712, when the cam 71 rotates to the point that the arc surface 713 is matched with the mover 722, the punch 3 drives the stripper 4 to reset upward through a second elastic floating mechanism (not shown in the second elastic floating mechanism composition), and as a specific embodiment, the second elastic floating mechanism includes a spring, a frame is fixedly arranged on the outer side of the punch, the punch 4 is movably arranged 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 structure, and the diving process of the stripping part 4 and the punch 3 can be controlled by adjusting parameters of the outline cambered surface of the cam 71. Because the existing manufacturing process of the tooth element does not include the material blocking process, the outer contour cambered surface of the existing cam 70 (the dashed line part in the figure is an 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, and compared with the structure of the existing cam 70, the cam 71 provided by the invention has the advantages that the first convex surface 711 between the arc surface 713 and the second cambered surface 712 is additionally arranged, and an asymmetric cam structure is formed, so that the secondary diving process of the material removing part 4 and the punch 3 is driven, and the functions of material blocking and punching are achieved.
The mover 722 and the cam 71 are in rolling contact, 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; when the first arc surface 711 and the second arc surface 712 of the cam 71 rotate to be in contact with the cam 722, a force for pushing the cam 722 upwards is generated, so that the head end of the swing arm 72 swings downwards to press the punch 3, the punch 3 and the stripper 4 synchronously descend, and when the arc surface 713 of the cam 71 rotates to be in contact with the cam 722, the head end of the swing arm 72 swings upwards to release the punch 3, and the head 3 and the stripper 4 are reset upwards under the elasticity of the first elastic floating member.
Referring to fig. 10 and 11, a third elastic floating mechanism (not shown in the third elastic floating mechanism) is disposed between the stripper 4 and the punch 3, and is connected to the punch 3, so that the stripper 4 has a function of floating up and down, and the height distance between the bottom end of the stripper 4 and the bottom end of the punch 3 can be increased as much as possible without affecting the subsequent stamping engagement convex part, so as to prevent interference phenomenon between the punch 3 and the wire 6 during material blocking. Preferably, the third elastic floating mechanism includes an elastic restoring member, such as a spring, as a specific embodiment, the stripping member 4 may be movably disposed on the front side of the punch 3, and the elastic restoring member is connected between the upper end of the stripping member 4 and the upper end of the punch 3.
Referring to fig. 1 to 12, compared with the prior art, the tooth manufacturing device provided by the invention has the advantages that the stripping piece 4 is arranged at the front side of the punch 3, and the stripping piece 4 descends to the front side of the wire 6 in the cutting edge 21 during cutting, so that the wire 6 in the cutting edge 21 is shielded during cutting, the blocking effect is achieved, the wire 6 is prevented from cutting off instantly and flying out of the cutting edge 21, the phenomenon of cloth belt tooth missing during subsequent tooth arrangement is avoided, the production efficiency is effectively improved, and the reworking rate is reduced. And because the above-mentioned tooth manufacturing installation has adopted above-mentioned protection mechanism to ensure that metal dust, piece and granule F that produces when shearing wire rod and punching press meshing convex part are blocked in the barrier 82 outside, make metal dust, piece and granule F can not enter the region behind fixing base 81 along with the translation of main slide, thereby protect the part of installing at fixing base 81 rear, improve the life of part effectively.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (5)
1. The utility model provides a protection machanism of zip fastener machine, the zip fastener machine that relates to includes the main slide, the reciprocating translation around the main slide is realized by actuating mechanism, main slide upside is equipped with tailors plane, inside to be equipped with independently slide bottom surface longitudinal extension to tailors planar wire rod passageway, its characterized in that: the protection mechanism comprises a fixed seat and a blocking piece, the fixed seat is fixedly arranged above the cutting plane relative to the main sliding plate, the front side position of the fixed seat is used for installing a cutter, the blocking piece is transversely arranged at the lower end of the fixed seat, and the bottom of the blocking piece is in sliding contact with the cutting plane;
the length of blocking piece sets up to with tailors planar width and suits, the lower extreme of fixing base corresponds blocking piece is equipped with the mounting groove, blocking piece installs in the mounting groove, its bottom downwardly extending the mounting groove just butt in tailors planar, be clearance fit between blocking piece lateral part and the mounting groove inner wall, the mounting groove with be equipped with elasticity floating mechanism between the blocking piece, make blocking piece hug closely in tailors planar, elasticity floating mechanism includes a plurality of spring along blocking piece length direction interval arrangement, the upside of mounting groove corresponds a plurality of spring is equipped with a plurality of pilot hole respectively, every spring is installed in the pilot hole that corresponds, the spring butt is in between the pilot hole upside with blocking piece upside, the lateral part of mounting groove is equipped with the locating hole, blocking piece lateral part corresponds the locating hole is equipped with the waist hole that extends along its direction of floating, waist type hole with the locating hole passes through pin connection.
2. The guard mechanism of a slide fastener machine as claimed in claim 1, wherein: the main sliding plate and the blocking piece are made of hard metal materials.
3. The guard mechanism of a slide fastener machine as claimed in claim 1, wherein: and the side part of the blocking piece is in clearance fit with the inner wall of the mounting groove.
4. A fastener element manufacturing device of a slide fastener is characterized in that: the protective mechanism comprises a main sliding plate, a cutter, a punch and any one of claims 1 to 3, wherein the main sliding plate is driven by a driving mechanism to realize back and forth reciprocating translation, a cutting plane is arranged on the upper side of the main sliding plate, a wire channel which is arranged in the main sliding plate and is longitudinally extended from the bottom surface of the main sliding plate to the cutting plane is arranged in the main sliding plate, a blanking die is connected to the front side of the main sliding plate, a forming part which is positioned below the cutting plane is arranged on the blanking die, the cutter is arranged on the front side of a fixed seat, the cutter is in sliding contact with the cutting plane, the cutting edge of the cutter corresponds to the wire channel, and the punch is arranged above the cutting edge in a liftable manner;
when cutting materials, the part of the wire rod protruding out of the cutting plane enters the cutting edge along with the backward movement of the main sliding plate, the cutting edge cuts the wire rod along with the backward movement of the main sliding plate to form a slice and pushes the slice to the forming part, and the punch descends to punch out the engaging convex part on the slice so as to form the chain tooth.
5. The fastener element manufacturing apparatus according to claim 4, wherein: the front side of the punch is connected with a stripping part, the stripping part extends downwards to the lower part of the punch, the stripping part and the punch realize synchronous lifting through a blanking mechanism, and the stripping part descends to the front side of the wire in the cutting edge and at least partially shields the wire in the cutting edge when cutting the wire;
the descending process of the stripping part and the punch comprises a first stroke for driving the stripping part to descend to shield the wire and a second stroke for driving the punch to descend to punch the cut piece, wherein the first stroke prevents the cut piece from flying out of the cutting edge when the wire is cut off, and the second stroke enables the cut piece of the wire to punch out the engagement convex part on the forming part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471582.4A CN110102664B (en) | 2019-05-31 | 2019-05-31 | Protection mechanism of zipper machine and zipper tooth manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471582.4A CN110102664B (en) | 2019-05-31 | 2019-05-31 | Protection mechanism of zipper machine and zipper tooth manufacturing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110102664A CN110102664A (en) | 2019-08-09 |
| CN110102664B true CN110102664B (en) | 2024-03-26 |
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