CN114247827A - Punching machine for zipper pull piece - Google Patents
Punching machine for zipper pull piece Download PDFInfo
- Publication number
- CN114247827A CN114247827A CN202111427380.3A CN202111427380A CN114247827A CN 114247827 A CN114247827 A CN 114247827A CN 202111427380 A CN202111427380 A CN 202111427380A CN 114247827 A CN114247827 A CN 114247827A
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- magnet
- ring
- groove
- fixed disk
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- 238000004080 punching Methods 0.000 title claims abstract description 20
- 230000000694 effects Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
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
- 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
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/14—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by turning devices, e.g. turn-tables
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a punching machine for zipper pulls, which structurally comprises a hydraulic cylinder, a top plate, a stand column, a workbench, a base, a console, a control box, a punching head and a feeding structure, wherein the console is arranged in front of the base, the top plate is arranged above the base and is connected with the base through the stand column, the workbench is connected on the base, the punching head is arranged on the workbench and is connected with the hydraulic cylinder arranged on the top plate, the hydraulic cylinder is connected with the control box arranged on the side surface, the control box is electrically connected with the console, the feeding structure is connected on the base, the feeding structure comprises a rotating ring, a fixed disk, a rotating shaft, a connecting rod, a clamping groove, a motor and a collecting box, the punching machine has the beneficial effects that a worker can be prevented from working under the punching head through a rotary feeding and discharging mode, safety accidents are avoided, and the bottom surface of the zipper pulls can be prevented from being abraded through the design of a protection device, the quality of the pulling piece is ensured.
Description
Technical Field
The invention relates to the field of processing and manufacturing, in particular to a stamping machine for a zipper pull tab.
Background
The zipper comprises zipper teeth, a pull head, an upper stop, a lower stop or a locking piece and the like, and the zipper pull piece is processed by a punch when being processed.
Because when processing the pulling-on piece, the staff need get under the punching press head and put the pulling-on piece, and the punching press head appears after the equipment trouble easily and is downward suddenly, causes the injured condition of personnel.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provide a stamping machine for a zipper pull tab.
The invention is realized by adopting the following technical scheme: a stamping machine for zipper pulls structurally comprises a hydraulic cylinder, a top plate, a stand column, a workbench, a base, a console, a control box, a stamping head and a feeding structure, wherein the console is arranged in front of the base, the top plate is arranged above the base and connected with the base through the stand column, the workbench is connected on the base, the stamping head is arranged on the workbench and connected with the hydraulic cylinder arranged on the top plate, the hydraulic cylinder is connected with the control box arranged on the side surface, the control box is electrically connected with the console, the feeding structure is connected on the base, the feeding structure comprises a rotating ring, a fixed disk, a rotating shaft, a connecting rod, a clamping groove, a motor and a collecting box, the right end of the fixed disk is connected on the base, the left end of the fixed disk is connected on the workbench, the motor is embedded in the middle of the fixed disk, the top of the motor is provided with the rotating shaft, and the rotating shaft is connected with the inner side of the rotating ring through the connecting rod, the rotating ring is arranged above the fixed disk, a notch is formed in the outer side of the fixed disk, the notch is connected with the collecting box, and the rotating ring is provided with clamping grooves which are uniformly distributed and penetrate through the rotating ring from top to bottom.
As optimization, the feeding structure is still including fixed block and protection device, the fixed block is equipped with 2 and establishes respectively in the left side and the right side below of fixed disk, protection device is installed to draw-in groove department.
As optimization, the circle bottom is equipped with the installation cavity, the installation cavity includes opening, ring channel, activity groove, guide way, the ring channel wraps up the draw-in groove in the centre, the ring channel inboard is through 4 guide ways of evenly distributed and draw-in groove bottom intercommunication, the ring channel communicates with each other through opening and circle inboard, the ring channel inboard is equipped with the activity groove.
As optimization, protection device includes ring, first magnet, second magnet, pendulum rod, slider, push rod, spring holder, the ring is established in the ring channel, the ring is connected with the pendulum rod of establishing at the opening part, the ring is embedded to have first magnet, second magnet, the slider is established in the guide way, the slider is connected with the push rod, the ring inboard is connected with the spring holder, the spring holder is established in the activity inslot, be connected with the spring between spring holder and the activity groove.
Preferably, the first magnet and the second magnet have opposite poles facing inward, the first magnet has an inward S-pole, and the second magnet has an inward N-pole.
Preferably, the number of the clamping grooves is 9.
Preferably, the number of the protection devices is 9, and the protection devices correspond to the card slots one by one.
Preferably, the top of one end of the push rod, which is far away from the sliding block, is inclined downwards to be in a tapered shape.
As optimization, the rotating ring can move, and the bottom surface of the rotating ring is attached to the top surface of the fixed disc.
Preferably, the slider is made of a magnet material, and one surface facing the circular ring is an N pole.
Preferably, the outer side of the fixing block is arc-shaped, and the height of the fixing block is lower than that of the connecting rod
Advantageous effects
When the invention is used, a worker puts the pulling piece into the clamping groove, then the motor drives the rotating ring to rotate, the pulling piece in the clamping groove stops when rotating to the position below the punching head, the punching head performs punch forming on the pulling piece downwards, then the pulling piece automatically falls into the collecting box along with the rotation of the rotating ring to the notch of the fixed disk, the pulling piece is placed in the clamping groove at the outer side of the workbench only by manual operation, in order to prevent the pulling piece from being abraded with the top surface of the fixed disk in the pushing process, a fixed block and a protection device are designed, when the pulling piece passes through the fixed block, the fixed block can push the swing rod to rotate, so that the second magnet rotates to the guide groove position, the slide block can move inwards through heteropolar attraction, the push rod is retracted, the pulling piece can fall on the fixed disk to be punched conveniently, and after the pulling piece leaves the fixed block, the circular ring can be reset under the action of the spring, thereby make first magnet remove the guide slot position, stretch out the push rod again to hold in the palm the pulling-on piece at the push rod, prevent the wearing and tearing between pulling-on piece and the fixed disk, and also have a fixed block to pack up protection device through the breach, thereby make the pulling-on piece collect smoothly.
Compared with the prior art, the invention has the beneficial effects that: through the mode of rotatory feeding ejection of compact, can avoid the workman to work under the punching press head, avoid taking place the incident, and through protection device's design, can prevent that the pulling-on piece bottom surface from causing wearing and tearing, guarantee the quality of pulling-on piece.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a punch for a zipper puller according to the present invention.
Fig. 2 is a top view of a feed structure according to the present invention.
Fig. 3 is a front view of a feeding structure of the present invention.
FIG. 4 is a schematic structural view of the fixing plate of the present invention.
FIG. 5 is a schematic view of a second embodiment of the feed structure of the present invention.
Fig. 6 is a schematic structural diagram of the protection device of the present invention.
Fig. 7 is an enlarged structural schematic view of the mounting cavity in the portion a of fig. 6.
Fig. 8 is an enlarged schematic view of a portion a of fig. 6.
Fig. 9 is a side view of the push rod of the present invention.
In the figure: the device comprises a hydraulic cylinder 1, a top plate 2, an upright post 3, a workbench 4, a base 5, a control console 6, a control box 7, a stamping head 8, a feeding structure 9, a rotating ring 90, a fixed disc 91, a rotating shaft 92, a connecting rod 93, a clamping groove 94, a motor 95, a collecting box 96, a notch 910, a fixed block 97, a protection device 98, a mounting cavity a, an opening a1, an annular groove a2, a movable groove a3, a guide groove a4, an annular ring 980, a first magnet 981, a second magnet 982, a swing rod 983, a sliding block 984, a push rod 985, a spring 986 and a spring seat 987.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, the present invention provides a technical solution of a punch for a zipper slider: the structure of the feeding device comprises a hydraulic cylinder 1, a top plate 2, a stand column 3, a workbench 4, a base 5, a control console 6, a control box 7, a stamping head 8 and a feeding structure 9, wherein the control console 6 is arranged in front of the base 5, the top plate 2 is arranged above the base 5 and is connected with the base 5 through the stand column 3, the workbench 4 is connected onto the base 5, the stamping head 8 is arranged on the workbench 4, the stamping head 8 is connected with the hydraulic cylinder 1 arranged on the top plate 2, the hydraulic cylinder 1 is connected with the control box 7 arranged on the side face, the control box 7 is electrically connected with the control console 6, the feeding structure 9 is connected onto the base 5, the feeding structure 9 comprises a rotating ring 90, a fixed disk 91, a rotating shaft 92, a connecting rod 93, a clamping groove 94, a motor 95 and a collecting box 96, the right end of the fixed disk 91 is connected onto the base 5, and the left end of the fixed disk 91 is connected onto the workbench 4, the motor 95 has been inlayed in the middle of fixed disk 91, the motor 95 top is equipped with pivot 92, pivot 92 is connected with the commentaries on classics ring 90 inboard through connecting rod 93, change ring 90 and establish in fixed disk 91 top, the fixed disk 91 outside is equipped with breach 910, breach 910 department is connected with collecting box 96, be equipped with evenly distributed's draw-in groove 94 that runs through from top to bottom on the commentaries on classics ring 90.
The working principle is as follows: when using, the staff puts into draw-in groove 94 with the pulling-on piece, then motor 95 drives circle 90 and rotates, stops when the pulling-on piece in draw-in groove 94 rotates to punching press head 8 below, and punching press head 8 carries out stamping forming to the pulling-on piece downwards, then when revolving circle 90 rotatory breach 910 department to fixed disk 91, the pulling-on piece automatically falls into collecting box 96, only needs the manual work to carry out placing of pulling-on piece at draw-in groove 94 in the workstation 4 outside.
Example 2
Referring to fig. 1 to 9, the present invention provides a technical solution of a punch for a zipper slider: the structure of the feeding device comprises a hydraulic cylinder 1, a top plate 2, a stand column 3, a workbench 4, a base 5, a control console 6, a control box 7, a stamping head 8 and a feeding structure 9, wherein the control console 6 is arranged in front of the base 5, the top plate 2 is arranged above the base 5 and is connected with the base 5 through the stand column 3, the workbench 4 is connected onto the base 5, the stamping head 8 is arranged on the workbench 4, the stamping head 8 is connected with the hydraulic cylinder 1 arranged on the top plate 2, the hydraulic cylinder 1 is connected with the control box 7 arranged on the side face, the control box 7 is electrically connected with the control console 6, the feeding structure 9 is connected onto the base 5, the feeding structure 9 comprises a rotating ring 90, a fixed disk 91, a rotating shaft 92, a connecting rod 93, a clamping groove 94, a motor 95 and a collecting box 96, the right end of the fixed disk 91 is connected onto the base 5, and the left end of the fixed disk 91 is connected onto the workbench 4, the middle of fixed disk 91 has inlayed motor 95, motor 95 top is equipped with pivot 92, pivot 92 is connected with commentaries on classics circle 90 inboard through connecting rod 93, commentaries on classics circle 90 is established in fixed disk 91 top, the fixed disk 91 outside is equipped with breach 910, breach 910 department is connected with collecting box 96, be equipped with evenly distributed's draw-in groove 94 that runs through from top to bottom on the commentaries on classics circle 90, feed structure 9 still includes fixed block 97 and protection device 98, fixed block 97 is equipped with 2 and establishes respectively in the left side and the right below of fixed disk 91, draw-in groove 94 department installs protection device 98, commentaries on classics circle 90 bottom is equipped with installation cavity a, installation cavity a includes opening a1, ring channel a2, activity groove a3, guide way a4, ring channel a2 wraps up draw-in the centre with draw-in groove 94, ring channel a2 inboard is through 4 guide ways a4 and draw-in groove 94 bottom intercommunication of evenly distributed, the annular groove a2 is communicated with the inner side of the rotating ring 90 through an opening a1, a movable groove a3 is arranged on the inner side of the annular groove a2, the protection device 98 comprises a ring 980, a first magnet 981, a second magnet 982, a swing rod 983, a sliding block 984, a push rod 985, a spring 986 and a spring seat 987, the ring 980 is arranged in the annular groove a2, the ring 980 is connected with the swing rod 983 arranged at the opening a1, the first magnet 981 and the second magnet 982 are embedded in the ring 980, the sliding block 984 is arranged in a guide groove a4, the sliding block 984 is connected with the push rod 985, the inner side of the ring 980 is connected with the spring seat 987, the spring seat 987 is arranged in the movable groove a3, a spring 986 is connected between the spring seat 987 and the movable groove a3, the first magnet 981 and the second magnet 982 face opposite to the inner side, the S pole of the first magnet 981 faces inwards, and the N pole of the second magnet 982 faces inwards, draw-in groove 94 is equipped with 9, protection device 98 be equipped with 9 and with draw-in groove 94 one-to-one, the one end top downward sloping that slider 984 was kept away from to push rod 985 becomes the point of cut form, circle 90 is mobile and the bottom surface laminates with fixed disk 91 top surface mutually, slider 984 is the magnet material, and is the N utmost point towards the one side of ring 980, the outside of fixed block 97 is the arc, makes the outside of fixed block 97 and the distance that circle 90 is inboard keep unanimous, fixed block 97 highly is less than connecting rod 93, prevents to block connecting rod 93.
The working principle is as follows: the embodiment 1 is further optimized, in order to prevent the pull tab from being worn away from the top surface of the fixed disc 91 during pushing, the fixed block 97 and the protection device 98 are designed, when the pull tab passes through the fixed block 97, the fixed block 97 can push the swing rod 983 to rotate, so that the second magnet 982 is rotated to the position of the guide groove a4, the slide block 984 can move inwards through opposite pole attraction, so that the push rod 985 is retracted, the pull tab can fall on the fixed disc 91 for punching, after the pull tab leaves the fixed block 97, the ring 980 can be reset under the action of the spring 986, so that the first magnet 981 moves to the position of the guide groove a4, the push rod 985 is extended again, the pull tab is supported on the push rod 985, the abrasion between the pull tab and the fixed disc 91 is prevented, and the protection device 98 can be also arranged through the fixed block 97 through the notch 910, so that the pull tab can be collected smoothly.
Compared with the prior art, the invention has the technical progress that: through the mode of rotatory feeding ejection of compact, can avoid the workman to work under the punching press head, avoid taking place the incident, and through protection device's design, can prevent that the pulling-on piece bottom surface from causing wearing and tearing, guarantee the quality of pulling-on piece.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a punching machine for zip fastener pulling-on piece, its structure includes pneumatic cylinder (1), roof (2), stand (3), workstation (4), base (5), control cabinet (6), control box (7), punching press head (8), feeding structure (9), base (5) are preceding to be equipped with control cabinet (6), roof (2) are established in base (5) top and are connected with base (5) through stand (3), be connected with workstation (4) on base (5), be equipped with punching press head (8) on workstation (4), punching press head (8) are connected with pneumatic cylinder (1) of installing on roof (2), pneumatic cylinder (1) are connected with control cabinet (7) of establishing the side, control cabinet (7) are connected its characterized in that through the electricity with control cabinet (6):
feeding structure (9) are connected on base (5), feeding structure (9) are including changeing circle (90), fixed disk (91), pivot (92), connecting rod (93), draw-in groove (94), motor (95), collecting box (96), fixed disk (91) right-hand member is connected on base (5), and the left end is connected on workstation (4), motor (95) have been inlayed in the middle of fixed disk (91), motor (95) top is equipped with pivot (92), pivot (92) are connected with commentaries on classics circle (90) inboard through connecting rod (93), change circle (90) and establish in fixed disk (91) top, fixed disk (91) outside is equipped with breach (910), breach (910) department is connected with collecting box (96), be equipped with evenly distributed's draw-in groove (94) that run through from top to bottom on change circle (90).
2. A punch for a zipper puller according to claim 1, wherein: feeding structure (9) are still including fixed block (97) and protection device (98), fixed block (97) are equipped with 2 and establish respectively in the left side and the right side below of fixed disk (91), protection device (98) are installed to draw-in groove (94) department.
3. A punch for a zipper puller according to claim 1, wherein: circle (90) bottom is equipped with installation cavity (a), installation cavity (a) includes opening (a1), ring channel (a2), activity groove (a3), guide way (a4), ring channel (a2) wraps up draw-in groove (94) in the middle of, 4 guide ways (a4) and draw-in groove (94) bottom intercommunication through evenly distributed are inboard in ring channel (a2), ring channel (a2) communicate with each other through opening (a1) and circle (90) inboard, ring channel (a2) inboard is equipped with activity groove (a 3).
4. A punch for a zipper puller according to claim 2, wherein: protection device (98) include ring (980), first magnet (981), second magnet (982), pendulum rod (983), slider (984), push rod (985), spring (986), spring holder (987), ring (980) are established in ring channel (a2), ring (980) are connected with pendulum rod (983) of establishing opening (a1) department, ring (980) are embedded to have first magnet (981), second magnet (982), slider (984) are established in guide way (a4), slider (984) are connected with push rod (985), ring (980) inboard is connected with spring holder (987), spring holder (987) are established in activity groove (a3), be connected with spring (986) between spring holder (987) and activity groove (a 3).
5. A press for a zipper puller according to claim 4, wherein: the inward-facing poles of the first magnet (981) and the second magnet (982) are opposite, the S-pole of the first magnet (981) faces inward, and the N-pole of the second magnet (982) faces inward.
6. A punch for a zipper puller according to claim 1, wherein: the number of the clamping grooves (94) is 9.
7. A punch for a zipper puller according to claim 2, wherein: the number of the protection devices (98) is 9, and the protection devices correspond to the clamping grooves (94) one by one.
8. A press for a zipper puller according to claim 4, wherein: the top of one end of the push rod (985) far away from the sliding block (984) is inclined downwards to be in a tapered shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427380.3A CN114247827A (en) | 2021-11-29 | 2021-11-29 | Punching machine for zipper pull piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427380.3A CN114247827A (en) | 2021-11-29 | 2021-11-29 | Punching machine for zipper pull piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114247827A true CN114247827A (en) | 2022-03-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111427380.3A Pending CN114247827A (en) | 2021-11-29 | 2021-11-29 | Punching machine for zipper pull piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114247827A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312876A (en) * | 2014-05-29 | 2016-02-10 | 苏州动力保时电机有限公司 | Automatic micro motor spindle stamping system |
| CN107052174A (en) * | 2017-03-21 | 2017-08-18 | 泉州市展鸿自动化科技有限公司 | A kind of Japanese circle pull head of band goes up the kludge of core pulling piece automatically |
| CN206689334U (en) * | 2017-03-13 | 2017-12-01 | 天津亿鑫旺达科技有限公司 | A kind of auto parts machinery pressing equipment |
| CN209614048U (en) * | 2019-01-03 | 2019-11-12 | 育美服饰科技(东莞)有限公司 | A kind of slide fastener cap stamping device |
| CN110547552A (en) * | 2018-05-30 | 2019-12-10 | Ykk株式会社 | Method, apparatus, unit and system for manufacturing slide fastener |
| CN211027545U (en) * | 2019-11-05 | 2020-07-17 | 福建省金烨铜管配件有限公司 | Head manufacturing equipment for copper pipe drawing machine |
| CN211191558U (en) * | 2019-04-29 | 2020-08-07 | 永嘉县博顺拉链服饰有限公司 | Zipper head stamping device |
-
2021
- 2021-11-29 CN CN202111427380.3A patent/CN114247827A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312876A (en) * | 2014-05-29 | 2016-02-10 | 苏州动力保时电机有限公司 | Automatic micro motor spindle stamping system |
| CN206689334U (en) * | 2017-03-13 | 2017-12-01 | 天津亿鑫旺达科技有限公司 | A kind of auto parts machinery pressing equipment |
| CN107052174A (en) * | 2017-03-21 | 2017-08-18 | 泉州市展鸿自动化科技有限公司 | A kind of Japanese circle pull head of band goes up the kludge of core pulling piece automatically |
| CN110547552A (en) * | 2018-05-30 | 2019-12-10 | Ykk株式会社 | Method, apparatus, unit and system for manufacturing slide fastener |
| CN209614048U (en) * | 2019-01-03 | 2019-11-12 | 育美服饰科技(东莞)有限公司 | A kind of slide fastener cap stamping device |
| CN211191558U (en) * | 2019-04-29 | 2020-08-07 | 永嘉县博顺拉链服饰有限公司 | Zipper head stamping device |
| CN211027545U (en) * | 2019-11-05 | 2020-07-17 | 福建省金烨铜管配件有限公司 | Head manufacturing equipment for copper pipe drawing machine |
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