CN107225204B - M knot make-up machine - Google Patents
M knot make-up machine Download PDFInfo
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- CN107225204B CN107225204B CN201710603312.5A CN201710603312A CN107225204B CN 107225204 B CN107225204 B CN 107225204B CN 201710603312 A CN201710603312 A CN 201710603312A CN 107225204 B CN107225204 B CN 107225204B
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- forming
- cylinder
- die
- sliding
- plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F45/00—Wire-working in the manufacture of other particular articles
- B21F45/16—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes
- B21F45/26—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes of buttons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/02—Straightening
- B21F1/026—Straightening and cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F23/00—Feeding wire in wire-working machines or apparatus
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention belongs to the technical field of jewelry processing, and particularly relates to an M buckle forming machine, which comprises a working bench, wherein a wire coil, a gold wire straightening mechanism, a feeding mechanism, a wire cutting mechanism and a forming mechanism are arranged on the working bench, the forming mechanism comprises a fixed plate, a stripper plate is arranged on the fixed plate, two sliding forming dies driven by sliding forming cylinders are slidably arranged on the stripper plate, a fixed wire core is arranged between the two sliding forming dies on the stripper plate, a forming upper die driven by an upper die forming cylinder is arranged above the stripper plate, and two forming side dies driven by side die forming cylinders are arranged below the stripper plate. The M buckle forming machine provided by the invention realizes automatic production, greatly improves production efficiency, has the advantages of forming standard, simple equipment operation and debugging, low electricity and gas utilization efficiency and strong adaptability, and most workers can be quickly skilled.
Description
Technical Field
The invention belongs to the technical field of jewelry processing, and particularly relates to an automatic M-shaped buckle forming machine.
Background
The M knot model that uses in the gold jewelry product at present is many, and the quantity is big, and the course of working mostly combines the frock hand bend to accomplish by hand, mainly has following problem:
(1) The production efficiency is low;
(2) Molding is not standard;
(3) The subsequent procedures, such as typewriting and printing, are easy to deviate due to nonstandard molding.
Disclosure of Invention
Although M buckles are processed in the market at present, the debugging and the operation are very difficult, the processing is difficult to be completed by non-professional staff, the molding efficiency is low, and the processing has a plurality of problems of high requirements on electricity and gas.
The invention aims to provide an M buckle forming machine, which aims to solve the technical problems that the existing M buckle is mainly combined with a tool hand bending mode by hands, the production efficiency is low, the forming is not standard, the existing equipment is difficult to debug and operate, the non-professional personnel are difficult to complete, the forming efficiency is low, and the requirement on electricity consumption is high.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
the M buckle forming machine comprises a working bench, wherein a wire coil, a gold wire straightening mechanism, a feeding mechanism, a wire cutting mechanism and a forming mechanism are arranged on the working bench, the forming mechanism comprises a fixed plate, a stripper plate is arranged on the fixed plate, two sliding forming dies driven by sliding forming air cylinders are slidably arranged on the stripper plate, a fixed wire core is arranged between the two sliding forming dies on the stripper plate, a forming upper die driven by an upper die forming air cylinder is arranged above the stripper plate, and two forming side dies driven by side die forming air cylinders are arranged below the stripper plate;
the fixed plate is provided with a discharging cylinder, the discharging cylinder is connected with the discharging plate, the discharging cylinder is in sliding fit with the fixed wire core and the sliding forming die, and the moving direction of the discharging cylinder is parallel to the extending direction of the fixed wire core and the sliding forming die.
As an improvement, be equipped with the slip moulded die slide that two slopes set up on the stripper, two slip moulded die slide axisymmetric sets up, fixed sinle silk is located two on the symmetry axis of slip moulded die slide, be equipped with on the fixed plate slip shaping cylinder, slip shaping cylinder passes through the oblique connecting block and connects two respectively slip moulded die.
Preferably, the sliding forming cylinder is a sliding table cylinder, and the oblique connecting block is connected with a sliding table part of the sliding table cylinder.
As a further improvement, the two sliding forming die slide ways extend and intersect to form a V-shaped slide way.
As a further improvement, an upper die cylinder connecting plate is arranged on the stripper plate, an upper die forming cylinder is arranged on the upper die cylinder connecting plate, the upper die forming cylinder is connected with a cylinder connecting block, the lower part of the cylinder connecting block is provided with an upper die for forming, the upper die for forming is connected with the upper die cylinder connecting plate through a tension spring, a guide connecting block is arranged on the stripper plate, and the guide connecting block is provided with an upper die slideway which is in sliding fit with the upper die for forming.
As a further improvement, a lower top plate is arranged below the stripper plate, the lower top plate is connected with the side die forming cylinder, two inclined ejector blocks are arranged on the lower top plate, inclined planes matched with each other are arranged between the inclined ejector blocks and the forming side dies, a side die slideway is arranged on the stripper plate, the forming side dies are slidably mounted in the side die slideway, the sliding direction of the forming side dies is vertical to the moving direction of the side die forming cylinder, and compression springs are arranged between the forming side dies.
As a further improvement, the wire cutting mechanism comprises a base, a wire cutting cylinder is arranged on the base, the wire cutting cylinder is connected with a wire cutting tool holder, two cutters are arranged on the wire cutting tool holder, two wire cutting dies are arranged on two sides of the stripper plate on the fixed plate, the two cutters are matched with the two wire cutting dies, and the wire cutting dies are higher than the fixed wire core.
As a further improvement, the two cutters are respectively provided with a strip-shaped hole, a fastening bolt is arranged in the strip-shaped hole, and the length direction of the strip-shaped hole is consistent with the connecting line direction between the two cutters.
As a further improvement, a chute is arranged on the tangent tool apron, a character printing block is arranged in the chute in a sliding manner, a character printing cylinder is arranged on the tangent tool apron, and the movement direction of the character printing cylinder is consistent with that of the character printing block.
As a further improvement, the feeding mechanism comprises a supporting seat, a feeding lower die driven by a feeding air cylinder is arranged on the supporting seat in a sliding manner, a first wire pressing air cylinder is arranged on the feeding lower die, a fixed lower die is fixedly arranged on the supporting seat, a second wire pressing air cylinder is arranged on the fixed lower die, gold wire guide blocks are arranged on the feeding lower die and the fixed lower die, copper pipes for allowing gold wires to pass through are arranged in the gold wire guide blocks, and the inner diameter of each copper pipe is matched with the diameter of each gold wire.
Preferably, the feeding cylinder is a sliding table cylinder.
As a further improvement, the gold wire straightening mechanism comprises two straightening roller mounting frames which are arranged vertically, a plurality of sliding blocks are slidably arranged on the straightening roller mounting frames, each sliding block is provided with a straightening roller, gold wires penetrate through the space between the adjacent straightening rollers, and a screw rod for adjusting the positions of the sliding blocks is arranged on the straightening roller mounting frames.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the M buckle forming machine provided by the invention, after the feeding cutting process is finished, the forming upper die of the forming mechanism moves downwards under the action of the upper die forming cylinder, the gold wire is prevented from being offset due to subsequent actions by being matched with the fixed wire core, the gold wire is prevented from being offset due to different lengths of two ends by the gold wire, then the sliding forming cylinder acts to drive the inclined connecting block to act so as to drive the sliding forming die to slide along the sliding forming die slideway on the stripper plate, the gold wire is extruded by the sliding forming die, the gold wire is initially formed, then the inclined top block is driven to move upwards by the side die forming cylinder, the side die is synchronously clamped towards the middle by the side die slideway of the stripper plate under the action of the inclined top block, the one-step forming action is finished, after the forming is finished, the upper die forming cylinder and the side die forming cylinder retract, the forming side die and the forming upper die reset under the action of the spring, the fixed wire core and the sliding forming die are fixed, and the discharging cylinder acts forward at the moment, the stripper plate is finished to discharge, the M buckle forming process is finished, the production efficiency is greatly improved, and the forming standard, equipment operation and debugging are simple, most workers can be fast, and the requirements on electricity consumption are low, and the adaptability is strong.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a feed structure;
FIG. 3 is a schematic structural view of a thread cutting mechanism;
FIG. 4 is a schematic structural view of a molding mechanism;
FIGS. 5 and 6 are schematic views of the structure of the stripper plate;
fig. 7, 8, 9 and 10 are schematic diagrams of the formation of the M-button;
the wire straightening device comprises a 1-working bench, a 2-wire coil, a 3-gold wire straightening mechanism, a 301-straightening roller mounting frame, a 302-sliding block, a 303-straightening roller, a 304-lead screw, a 4-feeding mechanism, a 401-supporting seat, a 402-feeding cylinder, a 403-feeding lower die, a 404-first wire pressing cylinder, a 405-fixed lower die, a 406-second wire pressing cylinder, a 407-wire guide block, a 5-wire cutting mechanism, a 501-base, a 502-wire cutting cylinder, a 503-wire cutting tool holder, a 504-cutting knife, a 505-strip-shaped hole, a 506-word printing block, a 507-word printing cylinder, a 6-forming mechanism, a 601-fixed plate, a 602-unloading plate, a 603-sliding forming cylinder, a 604-sliding forming die, 605-fixed wire core, a 606-upper die forming cylinder, a 607-side die forming cylinder, a 608-forming side die, a 610-sliding forming die slide, a 611-oblique connecting block, a 612-upper die cylinder connecting plate, a 613-cylinder connecting block, a 614-stretching spring, a 615-guiding, a 616-lower top plate, a 617-oblique top block, a 618-compression spring, a 6-connecting block and a 620-upper die connecting block.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 10 together, the M-buckle forming machine comprises a working bench 1, wherein a wire coil 2, a gold wire straightening mechanism 3, a feeding mechanism 4, a wire cutting mechanism 5 and a forming mechanism 6 are arranged on the working bench 1, the forming mechanism 6 comprises a fixed plate 601, a stripper plate 602 is arranged on the fixed plate 601, two sliding forming dies 604 driven by sliding forming air cylinders 603 are slidably arranged on the stripper plate 602, a fixed wire core 605 is arranged between the two sliding forming dies 604 on the stripper plate 602, a forming upper die 620 driven by an upper die forming air cylinder 606 is arranged above the stripper plate 602, and two forming side dies 608 driven by side die forming air cylinders 607 are arranged below the stripper plate 602;
the fixed plate 601 is provided with a discharging cylinder, the discharging cylinder is connected with the discharging plate 602, the moving direction of the discharging plate 602 is parallel to the extending direction of the fixed wire core 605 and the sliding forming die 604, and the discharging plate 602 is in sliding fit with the fixed wire core 605 and the sliding forming die 604.
In this embodiment, two inclined sliding forming mold slides 610 are disposed on the stripper plate 602, the two sliding forming mold slides 610 are axisymmetrically disposed, the fixed wire core 605 is located on the symmetry axis of the two sliding forming mold slides 610, a sliding forming cylinder 603 is disposed on the fixed plate 601, the sliding forming cylinders 603 are respectively connected to the two sliding forming molds 604 through inclined connecting blocks 611, preferably, the sliding forming cylinders 603 are sliding table cylinders, and the inclined connecting blocks 611 are connected to the sliding table portion of the sliding table cylinders.
In this embodiment, the two sliding forming mold slides 610 extend and intersect to form a V-shaped slide, which has good forming effect and is convenient to process.
In this embodiment, an upper die cylinder connecting plate 612 is disposed on the stripper plate 602, an upper die forming cylinder 606 is mounted on the upper die cylinder connecting plate 612, the upper die forming cylinder 606 is connected with a cylinder connecting block 613, a forming upper die 620 is disposed below the cylinder connecting block 613, the forming upper die 620 is connected with the upper die cylinder connecting plate 612 through a tension spring 614, a guide connecting block 615 is disposed on the stripper plate 602, and the guide connecting block 615 is provided with an upper die slideway in sliding fit with the forming upper die 620.
In this embodiment, a lower top plate 616 is disposed below the stripper plate 602, the lower top plate 616 is connected with the side mold forming cylinder 607, two inclined top blocks 617 are disposed on the lower top plate 616, inclined surfaces matched with each other are disposed between the inclined top blocks 617 and the forming side mold 608, a side mold slide way is disposed on the stripper plate 602, the forming side mold 608 is slidably mounted in the side mold slide way, the sliding direction of the forming side mold 608 is perpendicular to the moving direction of the side mold forming cylinder 607, and a compression spring 618 is disposed between the two forming side molds 608.
In this embodiment, the wire cutting mechanism 5 includes a base 501, a wire cutting cylinder 502 is disposed on the base 501, the wire cutting cylinder 502 is connected with a wire cutting tool holder 503, two cutting tools 504 are disposed on the wire cutting tool holder 503, two cutting tools 504 are disposed on two sides of a fixed plate 601, which are located on a stripper 602, and the two cutting tools 504 are matched with the two wire cutting tools 619, and the wire cutting tools 619 are higher than the fixed wire core 605.
In this embodiment, the two cutters 504 are respectively provided with a bar hole 505, the bar hole 505 is internally provided with a fastening bolt, and the length direction of the bar hole 505 is consistent with the connecting line direction between the two cutters 504.
In this embodiment, a chute is disposed on the tangential knife holder 503, a letter print block 506 is slidably mounted in the chute, a letter print cylinder 507 is disposed on the tangential knife holder 503, and a movement direction of the letter print cylinder 507 is consistent with a movement direction of the letter print block 506.
In this embodiment, feeding mechanism 4 includes supporting seat 401, and the slip is equipped with the pay-off lower mould 403 by pay-off cylinder 402 driven on the supporting seat 401, is equipped with first line ball cylinder 404 on the pay-off lower mould 403, and fixed lower mould 405 is equipped with second line ball cylinder 406 on the fixed lower mould 405 on the supporting seat 401, is equipped with gold thread guide block 407 on pay-off lower mould 403 and the fixed lower mould 405, is equipped with the copper pipe that supplies the gold thread to pass in the gold thread guide block 407, and the diameter looks adaptation of copper pipe and gold thread, copper pipe matter is soft, alleviates the damage to the gold thread.
Preferably, the feed cylinder 402 is a slipway cylinder.
In this embodiment, the gold wire straightening mechanism 3 includes two straightening roller mounting frames 301 disposed perpendicular to each other, a plurality of sliding blocks 302 are slidably mounted on the straightening roller mounting frames 301, a straightening roller 303 is mounted on each sliding block 302, and a wire passes between adjacent straightening rollers 303, and a screw 304 for adjusting the position of the sliding block 302 is disposed on the straightening roller mounting frames 301.
According to the M buckle forming machine provided by the invention, after the feeding cutting process is finished, the forming upper die of the forming mechanism moves downwards under the action of the upper die forming cylinder to press the gold wire to prevent the gold wire from being offset caused by subsequent actions, so that the lengths of two ends are different, then the sliding forming cylinder moves to drive the inclined connecting block to move so as to drive the sliding forming die to slide along the sliding forming die slideway on the stripper plate, the gold wire is extruded by the sliding forming die to be primarily formed, then the side die forming cylinder moves to drive the inclined top block to move upwards, the side die is synchronously clamped along the side die slideway of the stripper plate under the action of the inclined top block to finish one-step forming, after forming is finished, the forming side die and the forming upper die reset under the action of the spring, the wire core and the sliding forming die are fixed, at the moment, the stripper plate moves forwards to finish discharging, one M buckle forming action is finished, the production efficiency is greatly improved, the forming standard is realized, the equipment operation and debugging are simple, most workers can be fast and the requirements on electricity consumption are low, and the adaptability is strong.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any other corresponding changes and modifications made in accordance with the technical idea of the present invention shall be included in the scope of the claims of the present invention.
Claims (6)
- The M buckle forming machine is characterized by comprising a working bench, wherein a wire coil, a gold wire straightening mechanism, a feeding mechanism, a wire cutting mechanism and a forming mechanism are arranged on the working bench, the forming mechanism comprises a fixed plate, a stripper plate is arranged on the fixed plate, two sliding forming dies driven by sliding forming cylinders are slidably arranged on the stripper plate, a fixed wire core is arranged between the two sliding forming dies on the stripper plate, a forming upper die driven by an upper die forming cylinder is arranged above the stripper plate, and two forming side dies driven by side die forming cylinders are arranged below the stripper plate;the fixed plate is provided with a discharging cylinder, the discharging cylinder is connected with the discharging plate, the moving direction of the discharging plate is parallel to the extending directions of the fixed wire core and the sliding forming die, and the discharging plate is in sliding fit with the fixed wire core and the sliding forming die;the unloading plate is provided with two obliquely arranged sliding forming die slideways, the two sliding forming die slideways extend and intersect to form a V-shaped slideway, the two sliding forming die slideways are axially symmetrically arranged, the fixed wire core is positioned on the symmetrical axis of the two sliding forming die slideways, the fixed plate is provided with the sliding forming cylinder, and the sliding forming cylinder is respectively connected with the two sliding forming dies through an oblique connecting block;an upper die cylinder connecting plate is arranged on the stripper plate, an upper die forming cylinder is arranged on the upper die cylinder connecting plate, the upper die forming cylinder is connected with a cylinder connecting block, the lower part of the cylinder connecting block is provided with an upper forming die, the upper forming die is connected with the upper die cylinder connecting plate through an extension spring, a guide connecting block is arranged on the stripper plate, and an upper die slideway in sliding fit with the upper forming die is arranged on the guide connecting block;the lower top plate is connected with the side die forming cylinder, two inclined ejector blocks are arranged on the lower top plate, inclined planes matched with each other are arranged between the inclined ejector blocks and the forming side dies, a side die slideway is arranged on the stripper plate, the forming side dies are slidably mounted in the side die slideway, the sliding direction of the forming side dies is perpendicular to the moving direction of the side die forming cylinder, and compression springs are arranged between the forming side dies.
- 2. The M buckle forming machine according to claim 1, wherein the tangent line mechanism comprises a base, a tangent cylinder is arranged on the base, the tangent cylinder is connected with a tangent knife holder, two cutters are arranged on the tangent knife holder, tangent dies are arranged on two sides of the fixed plate, which are located on the stripper plate, the two cutters are matched with the two tangent dies, and the tangent dies are higher than the fixed wire core.
- 3. The M-button forming machine according to claim 2, wherein the two cutters are respectively provided with a strip-shaped hole, a fastening bolt is arranged in the strip-shaped hole, and the length direction of the strip-shaped hole is consistent with the connecting line direction between the two cutters.
- 4. The M buckle forming machine according to claim 2, wherein a chute is arranged on the tangent tool apron, a character printing block is slidably arranged in the chute, a character printing cylinder is arranged on the tangent tool apron, and the movement direction of the character printing cylinder is consistent with the movement direction of the character printing block.
- 5. The M buckle forming machine according to claim 1, wherein the feeding mechanism comprises a supporting seat, a feeding lower die driven by a feeding cylinder is slidably arranged on the supporting seat, a first wire pressing cylinder is arranged on the feeding lower die, a fixed lower die is fixedly arranged on the supporting seat, a second wire pressing cylinder is arranged on the fixed lower die, gold wire guide blocks are arranged on the feeding lower die and the fixed lower die, copper pipes for allowing gold wires to pass through are arranged in the gold wire guide blocks, and the inner diameter of each copper pipe is matched with the diameter of each gold wire.
- 6. The M-button forming machine according to claim 1, wherein the gold wire straightening mechanism comprises two straightening roller mounting frames which are arranged vertically to each other, a plurality of sliding blocks are slidably arranged on the straightening roller mounting frames, a straightening roller is arranged on each sliding block, gold wires penetrate between adjacent straightening rollers, and a screw rod for adjusting the positions of the sliding blocks is arranged on the straightening roller mounting frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710603312.5A CN107225204B (en) | 2017-07-22 | 2017-07-22 | M knot make-up machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710603312.5A CN107225204B (en) | 2017-07-22 | 2017-07-22 | M knot make-up machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107225204A CN107225204A (en) | 2017-10-03 |
| CN107225204B true CN107225204B (en) | 2023-09-05 |
Family
ID=59957601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710603312.5A Active CN107225204B (en) | 2017-07-22 | 2017-07-22 | M knot make-up machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN107225204B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0767710A (en) * | 1993-08-31 | 1995-03-14 | Murao:Kk | Chain for accessory and automated braider thereof and automated braiding method thereof |
| CN2917872Y (en) * | 2006-07-13 | 2007-07-04 | 浙江双友机电集团股份有限公司 | Wire hook forming device |
| CN201482887U (en) * | 2009-08-07 | 2010-05-26 | 深圳市福麒珠宝首饰有限公司 | Automatic forming device for W-shaped necklace clasp |
| CN102615220A (en) * | 2012-03-28 | 2012-08-01 | 黄芳 | Packing clasp forming machine and packing clasp forming method |
| CN202779575U (en) * | 2012-05-24 | 2013-03-13 | 梁彩建 | Hook punching machine |
| CN204338772U (en) * | 2014-12-02 | 2015-05-20 | 莆田市清龙首饰模具有限公司 | A kind of plug-type metal deduction |
| CN206335081U (en) * | 2016-12-19 | 2017-07-18 | 陈志远 | The automatic producing device of the back-shaped fastener for bundling articles of steel wire |
| CN206912153U (en) * | 2017-07-22 | 2018-01-23 | 深圳赛菲尔珠宝首饰有限公司 | M buckle forming machines |
-
2017
- 2017-07-22 CN CN201710603312.5A patent/CN107225204B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0767710A (en) * | 1993-08-31 | 1995-03-14 | Murao:Kk | Chain for accessory and automated braider thereof and automated braiding method thereof |
| CN2917872Y (en) * | 2006-07-13 | 2007-07-04 | 浙江双友机电集团股份有限公司 | Wire hook forming device |
| CN201482887U (en) * | 2009-08-07 | 2010-05-26 | 深圳市福麒珠宝首饰有限公司 | Automatic forming device for W-shaped necklace clasp |
| CN102615220A (en) * | 2012-03-28 | 2012-08-01 | 黄芳 | Packing clasp forming machine and packing clasp forming method |
| CN202779575U (en) * | 2012-05-24 | 2013-03-13 | 梁彩建 | Hook punching machine |
| CN204338772U (en) * | 2014-12-02 | 2015-05-20 | 莆田市清龙首饰模具有限公司 | A kind of plug-type metal deduction |
| CN206335081U (en) * | 2016-12-19 | 2017-07-18 | 陈志远 | The automatic producing device of the back-shaped fastener for bundling articles of steel wire |
| CN206912153U (en) * | 2017-07-22 | 2018-01-23 | 深圳赛菲尔珠宝首饰有限公司 | M buckle forming machines |
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| CN107225204A (en) | 2017-10-03 |
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