CN113290141A - Integrated punching die - Google Patents
Integrated punching die Download PDFInfo
- Publication number
- CN113290141A CN113290141A CN202110550587.3A CN202110550587A CN113290141A CN 113290141 A CN113290141 A CN 113290141A CN 202110550587 A CN202110550587 A CN 202110550587A CN 113290141 A CN113290141 A CN 113290141A
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- Prior art keywords
- die
- shaped
- frame
- punching
- mounting sleeve
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- 238000004080 punching Methods 0.000 title claims abstract description 75
- 238000009434 installation Methods 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims description 13
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 12
- 239000002184 metal Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention provides an integrated punching die, which belongs to the technical field of processing equipment and comprises an installation base, a C-shaped die frame, a concave module, an upper die installation sleeve and a punching convex die, wherein the C-shaped die frame is arranged on the installation base, an opening of the C-shaped die frame is arranged in the horizontal direction, the concave module is arranged at one end, close to the installation base, of the C-shaped die frame, the upper die installation sleeve is arranged at the other end of the C-shaped die frame and corresponds to the concave module, the punching convex die is arranged in the upper die installation sleeve and can axially slide along the upper die installation sleeve, and a concave die hole matched with the shape of the working end of the punching convex die is further arranged on the concave module. According to the integrated punching die provided by the invention, the C-shaped die frame is used as a supporting main body, and the punching male die and the female die block are respectively arranged at two ends of the C-shaped die frame, so that the punching male die and the female die holes on the female die block are always in an aligned state, the adjusting time during die installation can be reduced, in the die installation process, only the installation base needs to be fixed, the die installation time is shortened, and the structure is simpler.
Description
Technical Field
The invention belongs to the technical field of processing equipment, and particularly relates to an integrated punching die.
Background
With the rapid development of economy in China, railway transportation plays an increasingly important role in the economic development process, and trains are carriers for realizing the railway transportation, so that the production and the manufacture of the trains are particularly important. The processing of a lot of panel beating part hole types on freight train in the railway freight car manufacturing process is very many, needs cut-out press to come to punch a hole the panel beating usually, but the most components of a whole that can function independently structures of current cut-out press, need fix the last mould and the lower mould of mould respectively in the die holding use to still need adjust last mould and lower mould before the use, cause the installation and the change inefficiency of mould.
Disclosure of Invention
The invention aims to provide an integrated punching die, and aims to solve the problem that in the punching die in the prior art, the die is installed and replaced inefficiently due to the fact that the die is in a split mode.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an integral type cut-out press for to hole class structure is processed, be in including installation base, setting C type die carrier, the setting that just opening set up towards the horizontal direction on the installation base are in C type die carrier is close to one of installation base is served last concave module, is set up on the C type die carrier other end and with the corresponding last mould installation cover of die piece and setting are in go up the mould installation cover and can follow the terrace die that punches a hole of last mould installation cover endwise slip in, still be provided with on the concave module and punch a hole the work end shape assorted concave mode hole of terrace die.
In a possible implementation manner, a first elastic buffer piece is further arranged between the top of the upper die mounting sleeve and the end of the punching male die far away from the C-shaped die frame.
In a possible implementation manner, the first elastic buffer part is sleeved outside the punching male die, an upper die cover is further arranged at the end part, far away from the C-shaped die frame, of the punching male die, and the first elastic buffer part is located between the upper end face of the upper die mounting sleeve and the upper die cover.
In a possible implementation manner, the punching male die comprises a guide part arranged in the upper die mounting sleeve in a sliding manner, and a working part arranged at one end of the guide part close to the female die block, and the upper die mounting sleeve is provided with a guide hole matched with the guide part.
In a possible implementation mode, be provided with on the C type die carrier and be used for the installation go up the pressure material sliding hole of mould installation cover, it slides and sets up in pressing the material sliding hole to go up the mould installation cover, still be provided with second elastic buffer between last mould installation cover and the C type die carrier.
In a possible implementation manner, an anti-dropping long groove for preventing the upper die mounting sleeve from dropping out of the swaging sliding hole is further concavely arranged on the outer wall of the upper die mounting sleeve, the anti-dropping long groove is arranged along the axial direction of the upper die mounting sleeve, a first limit screw is further arranged on the C-shaped die frame, one end of the first limit screw is located outside the C-shaped die frame, and the other end of the first limit screw abuts against the anti-dropping long groove.
In a possible implementation manner, a pressing edge is further arranged on the end portion, far away from the C-shaped die carrier, of the upper die mounting sleeve, and the second elastic buffer member is sleeved outside the upper die mounting sleeve and located between the pressing edge and the upper top surface of the C-shaped die carrier.
In a possible implementation mode, the C-shaped die frame is further provided with an installation nest used for installing the concave module, the bottom of the installation nest is further provided with blanking holes communicated with the concave die holes in the concave module, and the installation base is also provided with the blanking holes.
In a possible implementation manner, a second limit screw for fixing the concave module is further arranged on the C-shaped mold frame, and one end of the second limit screw is located outside the C-shaped mold frame, and the other end of the second limit screw is located in the mounting socket and is in threaded connection with the C-shaped mold frame.
In a possible implementation manner, the side surface of the C-shaped die frame is further provided with a positioning unit for positioning the material sheet, and the positioning unit is arranged on the side surface of the female die block.
The integrated punching die provided by the invention has the beneficial effects that: compared with the prior art, the C-shaped die frame with the opening facing the horizontal position is arranged on the mounting base, the two end parts of the C-shaped die frame are arranged oppositely, the concave module is arranged at the end part, close to the mounting base, of the C-shaped die frame, and the upper die mounting sleeve arranged opposite to the concave module is arranged at the other end of the C-shaped die frame. And a punching male die capable of axially sliding along the upper die mounting sleeve is arranged in the upper die mounting sleeve in a sliding manner. The female die block is also provided with a female die hole matched with the working end of the punching male die in shape. When the sheet metal part is processed, the sheet metal part is placed between the female die block and the punching male die through the opening of the C-shaped die frame, and then the punching male die is driven by pressure equipment to move to be matched with the female die hole so as to process a hole structure. According to the integrated punching die, the C-shaped die frame is used as the supporting main body, the punching male die and the female die block are respectively arranged at the two ends of the C-shaped die frame, so that the punching male die and the female die holes in the female die block are always aligned, the adjusting time during die installation can be reduced, in the die installation process, only the installation base needs to be fixed, the die installation time is shortened, the structure is simpler, and the die manufacturing cost is saved. And when hole structures of different shapes are processed and the male die and the female die need to be replaced, the female die block can be taken out and replaced with the punching male die without disassembling the die in a shutdown state, the installation and adjustment efficiency of the punching die is improved, and the die is more convenient to replace.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an integrated punching die provided in an embodiment of the present invention;
FIG. 2 is a schematic top view of the integrated punch press of FIG. 1.
In the figure: 1. installing a base; 2. a C-shaped die carrier; 3. a female module; 4. a cavity die hole; 5. an upper die mounting sleeve; 6. punching a male die; 61. a guide portion; 62. a working part; 7. a material pressing sliding hole; 8. a first elastic buffer member; 9. an anti-drop elongated slot; 10. a first limit screw; 11. a second elastic buffer member; 12. putting a mold cover; 13. a blanking hole; 14. a second limit screw; 15. a positioning unit.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2 together, the integrated punching mold provided by the present invention will now be described. Integral type cut-out press for processing hole class structure, including installation base 1, the setting is on installation base 1 and the C type die carrier 2 that the opening set up towards the horizontal direction, the setting is close to the female module 3 that installation base 1 was served at C type die carrier 2, the setting is on 2 other ends of C type die carrier and with the corresponding last mould mounting sleeve 5 of die piece 3, and set up in last mould mounting sleeve 5 and can follow the terrace die 6 that punches a hole of last mould mounting sleeve 5 endwise slip, still be provided with on the die piece 3 with the terrace die 6 that punches a hole work end shape assorted die hole 4 that punches a hole.
Compared with the prior art, the integrated punching die provided by the embodiment has the advantages that the C-shaped die frame 2 with the opening facing the horizontal position is arranged on the installation base 1, two end parts of the C-shaped die frame 2 are arranged oppositely, the concave die block 3 is arranged at the end part, close to the installation base 1, of the C-shaped die frame 2, and the upper die installation sleeve 5 arranged opposite to the concave die block 3 is arranged at the other end of the C-shaped die frame 2. And a punching male die 6 which can slide along the axial direction of the upper die mounting sleeve 5 is arranged in the upper die mounting sleeve 5 in a sliding manner. The female die block 3 is also provided with a female die hole 4 matched with the working end of the punching male die 6 in shape. When the sheet metal part is processed, the sheet metal part is placed between the female die block 3 and the punching male die 6 through the opening of the C-shaped die frame 2, and then the punching male die 6 is driven by pressure equipment to move to be matched with the female die hole 4 to realize the processing of hole structures. According to the integrated punching die, the C-shaped die frame 2 is used as a supporting main body, the punching male die 6 and the female die block 3 are respectively arranged at the two ends of the C-shaped die frame 2, so that the punching male die 6 and the female die holes 4 in the female die block 3 are always in an aligned state, the adjusting time during die installation can be reduced, only the installation base 1 needs to be fixed in the die installation process, the die installation time is shortened, the structure is simpler, and the manufacturing cost of the die is saved. And when hole structures of different shapes are processed and the male die and the female die need to be replaced, the female die block 3 and the punching male die 6 can be taken out for replacement without disassembling the die in a stop state, the installation and adjustment efficiency of the punching die is improved, and the replacement and adjustment of the punching die are more convenient.
In the present embodiment, the punching male die 6 is preferably arranged in the vertical direction, and the die hole 4 of the female die block 3 is also arranged in the vertical direction, and the other end of the punching male die 6 can be connected to a pressure device.
As a specific embodiment of the integrated punching die provided by the present invention, referring to fig. 2, a first elastic buffer 8 is further disposed between the top of the upper die mounting sleeve 5 and the end of the punching convex die 6 away from the C-shaped die carrier 2. The arrangement of the first elastic buffer part 8 can enable the punching male die 6 not to be connected with the upper sliding block of the pressure equipment during working after the punching male die 6 is pressed down by the pressure equipment and can be bounced under the action of the first elastic buffer part 8, and the use and the installation of the die are more convenient. In this embodiment, the first elastic buffer 8 is preferably a rubber sleeve, and a metal spring may be used.
Referring to fig. 1 and 2, as a specific embodiment of the integrated punching die provided by the present invention, a first elastic buffer 8 is sleeved outside a punching male die 6, an upper die cover 12 is further disposed at an end of the punching male die 6 away from a C-shaped die frame 2, and the first elastic buffer 8 is located between an upper end surface of an upper die mounting sleeve 5 and the upper die cover 12. The first elastic buffer member 8 is sleeved outside the punching male die 6 in a cylindrical shape, and two end portions of the first elastic buffer member 8 are respectively abutted between the upper end surface of the upper die mounting sleeve 5 and the upper die cover 12, so that the first elastic buffer member 8 is mounted more firmly.
Referring to fig. 1 and 2, as an embodiment of the integrated punching die provided by the present invention, the punching male die 6 includes a guiding portion 61 slidably disposed in the upper die mounting sleeve 5, and a working portion 62 disposed at an end of the guiding portion 61 close to the female die block 3, and the upper die mounting sleeve 5 is provided with a guiding hole matching with the guiding portion 61. Preferably, the guide portion 61 and the working portion 62 are of an integral structure, the guide portion 61 and the working portion 62 are of a columnar structure, the cross-sectional area of the guide portion 61 is larger than that of the working portion 62 as a whole, the cross-sectional area of the working portion 62 is the same as that of the processed hole, the punching male die 6 adopting the shape can enable the sliding of the punching male die 6 to be more convenient and accurate through the matching of the guide portion 61 and the die mounting sleeve, and meanwhile, the working portion 62 of the punching male die 6 can conveniently pass through the material pressing sliding hole 7.
Referring to fig. 1 and 2, a C-shaped die frame 2 is provided with a swaging sliding hole 7 for mounting an upper die mounting sleeve 5, the upper die mounting sleeve 5 is slidably disposed in the swaging sliding hole 7, and a second elastic buffer 11 is further disposed between the upper die mounting sleeve 5 and the C-shaped die frame 2. The material pressing sliding hole 7 is arranged to enable the upper die mounting sleeve 5 to slide along the axial direction of the material pressing sliding hole 7, the length of the upper die mounting sleeve 5 is larger than the thickness of the end part of the C-shaped die frame 2 and is also larger than the length of the material pressing sliding hole 7, and meanwhile, a second elastic buffer part 11 is arranged between the upper die mounting sleeve 5 and the C-shaped die frame 2. When the pressure device downwards extrudes the punching male die 6, the upper die mounting sleeve 5 can be downwards compressed under the action of the first elastic buffer part 8, and before the punching male die 6 contacts with a workpiece, the workpiece is compressed by the end part of the upper die mounting sleeve 5 to prevent the workpiece from moving, so that the workpiece punching processing is more accurate. After the workpiece is machined, the upper die mounting sleeve 5 can jack the upper die mounting sleeve 5 under the elastic action of the second elastic buffer piece 11, so that the end part of the upper die mounting sleeve 5 is separated from the workpiece. In this embodiment, the second elastic buffer 11 may preferably be a rubber sleeve or a metal spring.
As a specific embodiment of the integrated punching die provided by the invention, please refer to fig. 1 and 2, an anti-drop elongated slot 9 for preventing the upper die mounting sleeve 5 from dropping out of the swaging sliding hole 7 is further concavely arranged on the outer wall of the upper die mounting sleeve 5, the anti-drop elongated slot 9 is arranged along the axial direction of the upper die mounting sleeve 5, a first limit screw 10 is further arranged on the C-shaped die frame 2, and one end of the first limit screw 10 is located outside the C-shaped die frame 2 and the other end abuts against the anti-drop elongated slot 9. First stop screw 10 and C type die holder 2 threaded connection, can make the tip of first stop screw 10 stretch into the inside of anticreep elongated slot 9 through rotating first stop screw 10 after last mould mounting sleeve 5 is installed inside pressing material slide opening 7, can pass through first stop screw 10 when last mould mounting sleeve 5 slides and restrict last mould mounting sleeve 5 sliding distance.
Referring to fig. 1 and 2, as a specific embodiment of the integrated punching die provided by the present invention, a pressing edge is further disposed on an end portion of the upper die mounting sleeve 5 away from the C-shaped die carrier 2, and the second elastic buffer 11 is sleeved outside the upper die mounting sleeve 5 and is located between the pressing edge and an upper top surface of the C-shaped die carrier 2. The arrangement of the pressing edge enables the installation of the second elastic buffer part 11 to be firmer, and enables the stress on all parts of the upper die installation sleeve 5 to be more uniform.
Referring to fig. 1 and 2, as a specific embodiment of the integrated punching die provided by the present invention, a mounting nest for mounting the female die block 3 is further disposed on the C-shaped die frame 2, a blanking hole 13 communicated with the female die hole 4 of the female die block 3 is further disposed at the bottom of the mounting nest, and the blanking hole 13 is also disposed on the mounting base 1. The arrangement of the mounting nest makes the mounting of the female die block 3 more convenient, and simultaneously makes the replacement and the disassembly of the female die block 3 more convenient and faster.
Referring to fig. 1 and 2, the C-shaped mold 2 is further provided with a second limit screw 14 for fixing the female mold 3, and one end of the second limit screw 14 is located outside the C-shaped mold 2, and the other end is located in the mounting socket and is in threaded connection with the C-shaped mold 2. The second limit screw 14 is also in threaded connection with the C-shaped die frame 2, and the second limit screw 14 abuts against the side face of the female die block 3 when the female die block 3 is fixed, so that the female die block 3 can be more firmly installed and fixed, and meanwhile, the female die block 3 can be more conveniently and quickly replaced and disassembled.
Referring to fig. 1 and 2, as an embodiment of the integrated punching die provided by the present invention, a positioning unit 15 for positioning a material sheet is further disposed on a side surface of the C-shaped die frame 2, and the positioning unit 15 is disposed on a side surface of the die block 3. The positioning unit 15 is arranged to position the material sheet, so that the hole machining position on the material sheet is more accurate. In the embodiment in this market, the positioning unit 15 includes a mounting platform disposed on the side of the C-shaped mold frame 2 and a positioning sheet slidably disposed on the mounting platform, and two positioning edges perpendicular to each other are disposed on the positioning sheet.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an integral type cut-out press, its characterized in that is in including installation base, setting C type die carrier, the setting that just the opening set up towards the horizontal direction on the installation base are in C type die carrier is close to one of installation base is served the concave module, is set up on the C type die carrier other end and with the corresponding last mould installation cover of die piece and setting are in go up the mould installation cover and can follow the terrace die that punches a hole of last mould installation cover endwise slip, still be provided with the concave nib with the work end shape assorted of the terrace die that punches a hole on the concave module.
2. The integrated punching die of claim 1, wherein a first elastic buffer is further arranged between the top of the upper die mounting sleeve and the end of the punching male die far away from the C-shaped die frame.
3. The integrated punching die of claim 2, wherein the first elastic buffer member is sleeved outside the punching male die, the end of the punching male die far away from the C-shaped die frame is further provided with an upper die cover, and the first elastic buffer member is positioned between the upper end face of the upper die mounting sleeve and the upper die cover.
4. The integrated punching die of claim 3, wherein the punching male die comprises a guide portion slidably disposed in the upper die mounting sleeve, and a working portion disposed at an end of the guide portion adjacent to the female die block, the upper die mounting sleeve being provided with a guide hole matching the guide portion.
5. The integrated punching die of claim 1, wherein the C-shaped die frame is provided with a swaging sliding hole for mounting the upper die mounting sleeve, the upper die mounting sleeve is slidably disposed in the swaging sliding hole, and a second elastic buffer member is further disposed between the upper die mounting sleeve and the C-shaped die frame.
6. The integrated punching die of claim 5, wherein the outer wall of the upper die mounting sleeve is further concavely provided with an anti-release long groove for preventing the upper die mounting sleeve from being released from the swaging sliding hole, the anti-release long groove is arranged along the axial direction of the upper die mounting sleeve, the C-shaped die frame is further provided with a first limit screw, one end of the first limit screw is positioned outside the C-shaped die frame, and the other end of the first limit screw abuts against the anti-release long groove.
7. The integrated hole-punching die of claim 6 wherein a clamping edge is further provided on the end of the upper die mounting sleeve remote from the C-die carrier, and the second elastomeric cushion is fitted around the outside of the upper die mounting sleeve and between the clamping edge and the top upper surface of the C-die carrier.
8. The integrated punching die of claim 1, wherein the C-shaped die frame is further provided with a mounting socket for mounting the female die block, the bottom of the mounting socket is further provided with blanking holes communicated with the female die holes on the female die block, and the mounting base is also provided with the blanking holes.
9. The integrated punching die of claim 8, wherein the C-shaped die frame is further provided with a second limit screw for fixing the female die block, one end of the second limit screw is located outside the C-shaped die frame, and the other end of the second limit screw is located in the mounting socket and is in threaded connection with the C-shaped die frame.
10. The integrated punching die of claim 1, wherein the C-shaped die frame side is further provided with a positioning unit for positioning the material sheet, the positioning unit being provided at the female die block side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110550587.3A CN113290141A (en) | 2021-05-20 | 2021-05-20 | Integrated punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110550587.3A CN113290141A (en) | 2021-05-20 | 2021-05-20 | Integrated punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113290141A true CN113290141A (en) | 2021-08-24 |
Family
ID=77323222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110550587.3A Pending CN113290141A (en) | 2021-05-20 | 2021-05-20 | Integrated punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113290141A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2785751Y (en) * | 2005-05-17 | 2006-06-07 | 河南奇骏实业有限公司 | Combined die of punching unit |
| WO2011158582A1 (en) * | 2010-06-16 | 2011-12-22 | 村田機械株式会社 | Formation of plate material opening using punch press |
| CN105921604A (en) * | 2016-05-05 | 2016-09-07 | 马鞍山市金申数控模具有限公司 | Plate punching die and punching method thereof |
| CN108249369A (en) * | 2017-12-29 | 2018-07-06 | 中车石家庄车辆有限公司 | A kind of bearing cleaning line elevator |
| CN108555119A (en) * | 2018-01-19 | 2018-09-21 | 株洲日望精工有限公司 | A kind of simple punching die and its application |
| CN211027730U (en) * | 2019-11-15 | 2020-07-17 | 西安中申电气有限公司 | Positioner of copper bar piercing press |
-
2021
- 2021-05-20 CN CN202110550587.3A patent/CN113290141A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2785751Y (en) * | 2005-05-17 | 2006-06-07 | 河南奇骏实业有限公司 | Combined die of punching unit |
| WO2011158582A1 (en) * | 2010-06-16 | 2011-12-22 | 村田機械株式会社 | Formation of plate material opening using punch press |
| CN105921604A (en) * | 2016-05-05 | 2016-09-07 | 马鞍山市金申数控模具有限公司 | Plate punching die and punching method thereof |
| CN108249369A (en) * | 2017-12-29 | 2018-07-06 | 中车石家庄车辆有限公司 | A kind of bearing cleaning line elevator |
| CN108555119A (en) * | 2018-01-19 | 2018-09-21 | 株洲日望精工有限公司 | A kind of simple punching die and its application |
| CN211027730U (en) * | 2019-11-15 | 2020-07-17 | 西安中申电气有限公司 | Positioner of copper bar piercing press |
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Application publication date: 20210824 |
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