CN117444026A - Pin-connected panel steel sheet punching press tool - Google Patents
Pin-connected panel steel sheet punching press tool Download PDFInfo
- Publication number
- CN117444026A CN117444026A CN202311393370.1A CN202311393370A CN117444026A CN 117444026 A CN117444026 A CN 117444026A CN 202311393370 A CN202311393370 A CN 202311393370A CN 117444026 A CN117444026 A CN 117444026A
- Authority
- CN
- China
- Prior art keywords
- die
- die cavity
- plate
- spliced
- threaded rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
- 239000010959 steel Substances 0.000 title claims abstract description 38
- 238000004080 punching Methods 0.000 title claims description 31
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention discloses a split type steel plate stamping jig which is applied to the technical field of steel plate processing and comprises an upper die holder and a lower die holder, wherein an upper die plate is arranged at the bottom of the upper die holder, and a die insert mounting plate is arranged at the bottom of the upper die plate.
Description
Technical Field
The invention belongs to the technical field of steel plate processing, and particularly relates to an assembled steel plate stamping jig.
Background
The stamping is a forming processing method for obtaining a workpiece (stamping part) with a required shape and size by applying external force to plates, strips, pipes, sectional materials and the like by using a press machine and a die so as to generate plastic deformation or separation, and at present, different dies are mainly used for stamping steel plates in the field of steel plate processing, so that the steel plates are stamped into different shapes.
Currently, the publication number is: the invention of CN105195610A discloses a motor shell stamping jig, which comprises a stamping head, a stamping die, a matrix, a limiter, a detecting head and a driver, wherein the matrix comprises a base and a fixed bracket; a stamping die is fixed on the base, and a fixing groove is formed in the stamping die; the fixed support is provided with a fixed driver, a limiter and a stamping head connected with the driver; the driver is also connected with the limiter and the detection head and comprises a driving motor (61) and a telescopic shaft connected with the driving motor; the detecting head is fixed on the stamping head, the base of the device plays roles of fixing and positioning the explosion-proof motor, the stamping head is a positioning and fixing contact piece, and when the stamping head is ready, the device can be characterized by being convenient and simple to press downwards, and the working efficiency is improved.
The current steel plate stamping jig is more troublesome because the inside mould benevolence of upper die base and die holder and die cavity are integrated structure, lead to mould benevolence and die cavity turning, because the position that needs the turning is more, lead to mould benevolence and die cavity integration processing duration to increase, and when half face of mould benevolence and die cavity damages, need whole abandon mould benevolence or die cavity and reproduce, steel plate stamping jig's use cost has been improved greatly, simultaneously because current steel plate stamping jig adopts Qigong or hydraulic drive to punch, and this kind of stamping mode precision is lower, mainly adopt servo structure to control cylinder or pneumatic cylinder at present, but servo structure cost is higher, can increase steel plate stamping jig's overall price, influence steel plate stamping jig's practicality.
Disclosure of Invention
The invention aims to provide an assembled steel plate stamping jig, which has the advantages that the die core and the die groove of the stamping jig can be assembled in a modularized combination manner and a mechanical structure is used for guaranteeing the precision of the steel plate stamping jig.
The technical aim of the invention is realized by the following technical scheme: the utility model provides an assembled steel sheet punching press tool, includes upper die base and die holder, the cope match-plate pattern is installed to the bottom of upper die base, the mould benevolence mounting panel is installed to the bottom of cope match-plate pattern, the both sides of mould benevolence mounting panel bottom are provided with first spliced mould benevolence and second spliced mould benevolence that splice each other, the lower bolster is installed at the top of die holder, first mould groove mosaic plate and second mould groove mosaic plate that splice each other are installed respectively to the both sides at lower bolster top, be provided with first spliced mould groove and the second spliced mould groove that mutually agrees with first spliced mould benevolence and second spliced mould benevolence between first mould groove mosaic plate and the second mould groove mosaic plate respectively, first spliced mould groove and second spliced mould groove splice each other; the support frame is installed to one side of upper die base and die holder, fixed thread bush is installed to one side at support frame top, fixed thread bush's inside threaded connection has first threaded rod, the bottom fixedly connected with second threaded rod of first threaded rod, the surface threaded connection of second threaded rod has the slip thread bush with fixed thread bush inside sliding connection, one side fixed mounting who slides the thread bush has the cylinder mounting panel, the punching cylinder is all installed to the both sides at cylinder mounting panel top, punching cylinder's output and upper die base's top fixed connection, the screw pitch of first threaded rod is 1.5mm, the screw pitch of second threaded rod is 1.2mm.
By adopting the technical scheme, the die core is divided into the first spliced die core and the second spliced die core for splicing, and the die cavity is divided into the first spliced die cavity and the second spliced die cavity for splicing, so that the jig can normally punch the steel plate, and meanwhile, when one of the die cores is damaged, the other continuous use setting can be reserved, and the die core and the die cavity of the punching jig can be subjected to modularized combination and splicing, so that the utilization rate of the jig module is improved, and meanwhile, when the die core is turned, the die core and the die cavity can be simultaneously and respectively processed, so that the processing convenience and efficiency are improved; through setting up the screw pitch of first threaded rod bigger than the second threaded rod, rotatory back at first threaded rod and second threaded rod, the distance length of removal is different, and because first threaded rod is together fixed with the second threaded rod, so the second threaded rod can drive the slip thread bush and carry out the slightly gliding setting in the inside of fixed thread bush, has reached and has used the function of mechanical structure accurate control punching press cylinder promotion upper die base punching press distance to guarantee tool punching press steel sheet precision, also need not to adopt servo structure simultaneously, reduce the cost of tool, improve the tool practicality.
The invention is further provided with: the bottom of the support frame is provided with a fixed bottom plate.
By adopting the technical scheme, the contact area is increased, and the stability is improved.
The invention is further provided with: the top of first threaded rod is installed and is rotated the cap, the anti-skidding line has been seted up to the surface of rotating the cap.
By adopting the technical scheme, friction force is increased, and the first threaded rod can be conveniently rotated.
The invention is further provided with: the top of die holder installs the positioning tube, the inside sliding connection of positioning tube has the locating lever with the bottom fixed connection of upper die holder.
By adopting the technical scheme, the upper die holder can be conveniently moved up and down to be positioned, and the stamping precision is improved.
The invention is further provided with: the bottom of the positioning rod is provided with a buffer spring fixedly connected with the positioning cylinder.
By adopting the technical scheme, the downward punching force of the upper die holder is buffered, so that the yield of the processed steel plate is improved.
The invention is further provided with: the tops of the first die cavity mosaic plate and the second die cavity mosaic plate are both rotationally connected with a rotary pulley.
By adopting the technical scheme, the steel plate can slide on the tops of the first die cavity mosaic plate and the second die cavity mosaic plate conveniently, so that the steel plate can be moved to punch, and the punching efficiency is improved.
The invention is further provided with: and the inner parts of the first spliced die core and the second spliced die core are respectively connected with a die core mounting bolt in threaded connection with the die core mounting plate.
By adopting the technical scheme, the first spliced die core and the second spliced die core are conveniently and fixedly arranged at the bottom of the die core mounting plate, and can be detached when needed.
The invention is further provided with: and die cavity mounting bolts which are respectively in threaded connection with the second die cavity mosaic plate and the first die cavity mosaic plate are respectively in threaded connection with the inner parts of the first assembly die cavity and the second assembly die cavity.
By adopting the technical scheme, the first assembling die cavity and the second assembling die cavity are conveniently and fixedly arranged in the second die cavity mosaic plate and the first die cavity mosaic plate, and the first assembling die cavity and the second assembling die cavity can be detached when needed.
In summary, the invention has the following beneficial effects:
1. the die core is divided into the first spliced die core and the second spliced die core, and the die grooves are simultaneously divided into the first spliced die groove and the second spliced die groove, so that the jig can normally punch a steel plate, and meanwhile, when one of the die cores is damaged, the other continuous use setting can be reserved, the modular combination and splicing of the die core and the die groove of the punching jig are realized, the utilization rate of the jig module is improved, and meanwhile, when the die core is turned, the die core and the die groove can be simultaneously and respectively processed, so that the processing convenience and the processing efficiency are improved;
2. through setting up the screw pitch of first threaded rod bigger than the second threaded rod, rotatory back at first threaded rod and second threaded rod, the distance length of removal is different, and because first threaded rod is together fixed with the second threaded rod, so the second threaded rod can drive the slip thread bush and carry out the slightly gliding setting in the inside of fixed thread bush, has reached and has used the function of mechanical structure accurate control punching press cylinder promotion upper die base punching press distance to guarantee tool punching press steel sheet precision, also need not to adopt servo structure simultaneously, reduce the cost of tool, improve the tool practicality.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
fig. 3 is an enlarged view of point a in fig. 2 according to the present invention.
Reference numerals: 1. an upper die holder; 2. a lower die holder; 3. an upper template; 4. a die core mounting plate; 5. a first split mold insert; 6. a second split mold insert; 7. a lower template; 8. a first cavity mosaic plate; 9. a second cavity mosaic plate; 10. a first spliced mold cavity; 11. a second spliced mold cavity; 12. a support frame; 13. fixing a threaded sleeve; 14. a sliding thread sleeve; 15. a cylinder mounting plate; 16. a first threaded rod; 17. a second threaded rod; 18. a punching cylinder; 19. rotating the cap; 20. a positioning rod; 21. a positioning cylinder; 22. a buffer spring; 23. a rotary pulley; 24. installing bolts on the die core; 25. installing bolts on the die grooves; 26. and fixing the bottom plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1, fig. 2, fig. 3, a pin-connected panel steel sheet stamping jig, including upper die base 1 and die holder 2, upper die plate 3 is installed to the bottom of upper die base 1, die core mounting panel 4 is installed to the bottom of upper die plate 3, the both sides of die core mounting panel 4 bottom are provided with first split joint die core 5 and second split joint die core 6 each other, lower die plate 7 is installed at the top of die holder 2, first die cavity mosaic plate 8 and second die cavity mosaic plate 9 each other are installed respectively to the both sides at lower die plate 7 top, be provided with first split joint die core 10 and second split joint die core 11 with first split joint die core 5 and second split joint die core 6 each other between first die cavity mosaic plate 8 and second die cavity mosaic plate 9 respectively, first split joint die cavity 10 and second split joint die cavity 11 each other splice, through dividing the die core into first split joint die core 5 and second split joint die cavity 6, simultaneously divide into first split joint die cavity 10 and second split joint die cavity 11, thereby can also realize that the punching press is carried out to the die core is split joint die core 5 and second split joint die cavity 11 each other, thereby can be realized when the punching press and the punching press is carried out to some other, thereby the processing jig can be continued to the processing, and the processing jig is improved, and the efficiency can be realized, and the other is easy and can be used and simultaneously processed.
Referring to fig. 1 and 2, a positioning cylinder 21 is mounted at the top of the lower die holder 2, and a positioning rod 20 fixedly connected with the bottom of the upper die holder 1 is slidably connected inside the positioning cylinder 21, so that the upper die holder 1 can be conveniently positioned in an up-and-down movement manner, and the stamping precision is improved.
Referring to fig. 2, a buffer spring 22 fixedly connected with a positioning cylinder 21 is provided at the bottom of the positioning rod 20 to buffer the downward punching force of the upper die holder 1, thereby improving the yield after the steel plate is processed.
Referring to fig. 1 and 2, the tops of the first and second cavity mosaic plates 8 and 9 are rotatably connected with a rotary pulley 23, so that the steel plates can slide on the tops of the first and second cavity mosaic plates 8 and 9, thereby moving the steel plates for punching and improving punching efficiency.
Referring to fig. 2, the first split mold core 5 and the second split mold core 6 are both screwed with the mold core mounting bolts 24 screwed with the mold core mounting plate 4, so that the first split mold core 5 and the second split mold core 6 are fixedly mounted at the bottom of the mold core mounting plate 4, and can be disassembled when needed.
Referring to fig. 2, the first and second assembly cavities 10 and 11 are each threadably connected to cavity mounting bolts 25 threadably connected to the second and first cavity mosaic plates 9 and 8, respectively, so that the first and second assembly cavities 10 and 11 are fixedly mounted within the second and first cavity mosaic plates 9 and 8, and can be disassembled when desired.
The use process is briefly described: when the die core and the die groove of the stamping jig can be assembled in a modularized combination mode, the die core is divided into the first assembled die core 5 and the second assembled die core 6, the die core is arranged at the bottom of the die core mounting plate 4 after being assembled, meanwhile, the die groove is divided into the first assembled die groove 10 and the second assembled die groove 11, the die core is respectively arranged in the first die groove mosaic plate 8 and the second die groove mosaic plate 9 after being assembled, so that the jig can normally stamp a steel plate, and meanwhile, after the first assembled die core 5, the second assembled die core 6 and the first assembled die groove 10 and the second assembled die groove 11 are respectively disassembled, when one of the die core is damaged, the other die core can be reserved for continuous use, and meanwhile, the die core is divided into the first assembled die core 5, the second assembled die core 6, and the die groove 10 and the second assembled die groove 11 which can be simultaneously processed during turning, so that the processing convenience is improved.
Example 2:
referring to fig. 1 and 2, a support frame 12 is installed on one side of an upper die holder 1 and a lower die holder 2, a fixed thread sleeve 13 is installed on one side of the top of the support frame 12, a first threaded rod 16 is connected to the internal thread of the fixed thread sleeve 13, a second threaded rod 17 is fixedly connected to the bottom of the first threaded rod 16, a sliding thread sleeve 14 which is in sliding connection with the inside of the fixed thread sleeve 13 is connected to the surface thread of the second threaded rod 17, a cylinder mounting plate 15 is fixedly installed on one side of the sliding thread sleeve 14, punching cylinders 18 are installed on two sides of the top of the cylinder mounting plate 15, the output end of the punching cylinders 18 is fixedly connected with the top of the upper die holder 1, the thread pitch of the first threaded rod 16 is 1.5mm, the thread pitch of the second threaded rod 17 is 1.2mm, the thread pitch of the first threaded rod 16 is larger than that of the second threaded rod 17, after the first threaded rod 16 and the second threaded rod 17 rotate, the moving distance length is different, and the second threaded rod 17 drives the sliding thread sleeve 14 to slide in the inside the fixed thread sleeve 13, the punching cylinders 18 are also in a sliding structure, the punching precision is guaranteed, the punching precision is also achieved by adopting a practical structure, and the punching precision is guaranteed.
Referring to fig. 1 and 2, the bottom of the support frame 12 is provided with a fixing base plate 26 to increase the contact area and improve the stability.
Referring to fig. 1 and 2, a rotary cap 19 is mounted on the top of the first threaded rod 16, and anti-slip patterns are formed on the surface of the rotary cap 19, so that friction force is increased, and the first threaded rod 16 can be rotated conveniently.
The use process is briefly described: when the mechanical structure is required to be used for guaranteeing the precision of the jig stamping steel plate, the first threaded rod 16 and the fixed threaded sleeve 13 are rotated to be in threaded engagement, meanwhile, the first threaded rod 16 drives the second threaded rod 17 to rotate, so that the second threaded rod 17 is in threaded engagement with the sliding threaded sleeve 14, the first threaded rod 16 is larger in threaded pitch than the second threaded rod 17, the moving distance is different after the first threaded rod 16 and the second threaded rod 17 rotate, and the first threaded rod 16 and the second threaded rod 17 are fixed together, so that the second threaded rod 17 can drive the sliding threaded sleeve 14 to slightly slide in the fixed threaded sleeve 13, and accordingly the stamping cylinder 18 on the cylinder mounting plate 15 is driven to slightly move up and down, and the stamping distance of the upper die holder 1 is pushed by the stamping cylinder 18 to be precisely controlled.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (8)
1. The utility model provides an assembled steel sheet punching press tool, includes upper die base (1) and die holder (2), its characterized in that: the die comprises an upper die holder (1), wherein an upper die plate (3) is arranged at the bottom of the upper die holder (1), a die cavity mounting plate (4) is arranged at the bottom of the upper die plate (3), a first spliced die cavity (5) and a second spliced die cavity (6) which are mutually spliced are arranged at two sides of the bottom of the die cavity mounting plate (4), a lower die plate (7) is arranged at the top of the lower die holder (2), a first die cavity mosaic plate (8) and a second die cavity mosaic plate (9) which are mutually spliced are respectively arranged at two sides of the top of the lower die plate (7), a first spliced die cavity (10) and a second spliced die cavity (11) which are mutually matched with the first spliced die cavity (5) and the second spliced die cavity (6) are respectively arranged between the first die cavity mosaic plate (8) and the second die cavity mosaic plate (9), and the first spliced die cavity (10) and the second spliced die cavity (11) are mutually spliced; support frame (12) are installed to one side of upper die base (1) and die holder (2), fixed thread bush (13) are installed to one side at support frame (12) top, the inside threaded connection of fixed thread bush (13) has first threaded rod (16), the bottom fixedly connected with second threaded rod (17) of first threaded rod (16), the surface screw thread connection of second threaded rod (17) has sliding thread bush (14) with fixed thread bush (13) inside sliding connection, one side fixed mounting of sliding thread bush (14) has cylinder mounting panel (15), punching press cylinder (18) are all installed to the both sides at cylinder mounting panel (15) top, the output of punching press cylinder (18) is fixed connection with the top of upper die base (1), the screw pitch of first threaded rod (16) is 1.5mm, the screw pitch of second threaded rod (17) is 1.2mm.
2. The assembled steel plate stamping jig of claim 1, wherein: the bottom of the supporting frame (12) is provided with a fixed bottom plate (26).
3. The assembled steel plate stamping jig of claim 1, wherein: the top of first threaded rod (16) is installed and is rotated cap (19), anti-skidding line has been seted up on the surface of rotating cap (19).
4. The assembled steel plate stamping jig of claim 1, wherein: the top of the lower die holder (2) is provided with a positioning cylinder (21), and the inside of the positioning cylinder (21) is connected with a positioning rod (20) fixedly connected with the bottom of the upper die holder (1) in a sliding manner.
5. The assembled steel plate stamping jig of claim 4, wherein: the bottom of the positioning rod (20) is provided with a buffer spring (22) fixedly connected with the positioning cylinder (21).
6. The assembled steel plate stamping jig of claim 1, wherein: the tops of the first die cavity mosaic plate (8) and the second die cavity mosaic plate (9) are both rotatably connected with a rotary pulley (23).
7. The assembled steel plate stamping jig of claim 1, wherein: the first spliced die core (5) and the second spliced die core (6) are internally and respectively connected with a die core mounting bolt (24) in threaded connection with the die core mounting plate (4).
8. The assembled steel plate stamping jig of claim 1, wherein: the first assembling die cavity (10) and the second assembling die cavity (11) are internally and respectively connected with die cavity mounting bolts (25) in threaded connection with the second die cavity mosaic plate (9) and the first die cavity mosaic plate (8) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311393370.1A CN117444026A (en) | 2023-10-25 | 2023-10-25 | Pin-connected panel steel sheet punching press tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311393370.1A CN117444026A (en) | 2023-10-25 | 2023-10-25 | Pin-connected panel steel sheet punching press tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117444026A true CN117444026A (en) | 2024-01-26 |
Family
ID=89594182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311393370.1A Pending CN117444026A (en) | 2023-10-25 | 2023-10-25 | Pin-connected panel steel sheet punching press tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117444026A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118180259A (en) * | 2024-05-17 | 2024-06-14 | 豪尔沃(山东)机械科技有限公司 | Fast-assembling formula automobile body stamping die |
-
2023
- 2023-10-25 CN CN202311393370.1A patent/CN117444026A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118180259A (en) * | 2024-05-17 | 2024-06-14 | 豪尔沃(山东)机械科技有限公司 | Fast-assembling formula automobile body stamping die |
| CN118180259B (en) * | 2024-05-17 | 2024-08-02 | 豪尔沃(山东)机械科技有限公司 | Fast-assembling formula automobile body stamping die |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109954789B (en) | Multifunctional steel pipe punching machine | |
| CN117444026A (en) | Pin-connected panel steel sheet punching press tool | |
| CN110538927A (en) | hydraulic bending press and adjustable upper die thereof | |
| CN210819801U (en) | Be applied to glyptic location frock of foam mold | |
| CN219233674U (en) | Multistation integration stamping mechanism | |
| CN211564150U (en) | Energy-saving automobile punching part | |
| CN2421192Y (en) | Synchronous punching special machine for jointing plate | |
| CN215355858U (en) | Stamping device is used in processing for solid alloy milling cutter | |
| CN217617112U (en) | Stamping die for metal processing | |
| CN210907569U (en) | Stamping device is used in auto parts production | |
| CN221581687U (en) | Punching device | |
| CN222198597U (en) | Sheet metal stamping die | |
| CN221269446U (en) | Quick-change structure of die holder | |
| CN112170652A (en) | Stamping die | |
| CN210996046U (en) | Punching processing die equipment based on special-shaped seamless steel pipe arc section cutting and pressing | |
| CN222220861U (en) | A precision punching die for ultra-thin metal sheets | |
| JPH10328750A (en) | Work burring method in screw press and device therefor | |
| CN219025648U (en) | Stamping die | |
| CN221362199U (en) | Punching device for part machining | |
| CN215315277U (en) | Mould stamping device convenient to quick drawing of patterns | |
| CN221312193U (en) | Press-fit tooling for disc spring forming | |
| CN221675511U (en) | Angle-adjustable forming die | |
| CN118045903B (en) | Computer aluminum alloy shell stamping die | |
| CN220882182U (en) | Frock is used in gear shaft assembly pressure equipment | |
| CN114289633B (en) | Pin bending device for temperature sensor resistor production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |