CN112705626B - Machining die and machining process for automobile parts - Google Patents
Machining die and machining process for automobile parts Download PDFInfo
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- CN112705626B CN112705626B CN202011438150.2A CN202011438150A CN112705626B CN 112705626 B CN112705626 B CN 112705626B CN 202011438150 A CN202011438150 A CN 202011438150A CN 112705626 B CN112705626 B CN 112705626B
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
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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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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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 processing die of an automobile part, which is characterized in that an original material is blanked through a blanking die, a discharging sheet is blanked, a sheet is stamped into a preliminarily formed sheet material sheet through a forming die, a plurality of mounting holes are stamped in corresponding positions on the sheet material sheet, and then two sides of the sheet material sheet are bent through a bending die to form a clamping groove type structure; and then bending the protruding sheets punched on the material sheet to form the card. The invention provides a processing die of an automobile part and a processing process thereof, which can effectively and quickly perform the processing effects of blanking forming and punching bending of the part.
Description
Technical Field
The invention relates to the field of automobiles, in particular to the field of automobile part processing molds.
Background
The parts of the automobile play a key role in automobile manufacturing, and the automobile parts meeting the requirements can be produced, so that the automobile can have good safety after being installed; in the production process of the automobile parts, the mold is often used for processing production, the mold for rapidly producing and processing the automobile parts can be designed, the production efficiency can be greatly improved, and therefore fine processing is required in the production and manufacturing process so as to ensure the production and processing requirements; and the use safety of the automobile can be ensured.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides the processing die of the automobile part and the processing technology thereof, which can effectively and quickly perform the processing effects of blanking, forming, punching and bending the part.
The technical scheme is as follows: in order to achieve the purpose, the technical scheme of the invention is as follows:
a processing die for automobile parts is characterized in that an original material is blanked through a blanking die, a discharging sheet is blanked, the sheet is stamped into a sheet-shaped sheet through a forming die to be preliminarily formed, a plurality of mounting holes are stamped in corresponding positions on the sheet-shaped sheet, and then two sides of the sheet-shaped sheet are bent through a bending die to form a clamping groove type structure; then punching and bending the convex sheet on the material sheet to form a card; carry out spacing installation when easy to assemble, improve firm.
Further, the blanking die comprises an upper die closing structure and a lower die closing structure; blanking structures and stamping structures are arranged on the upper die assembly structure at intervals; the lower die closing structure comprises a first lower die and a second lower die; the blanking structure is movably blanked on the first lower die, and the stamping structure is movably stamped on the second lower die; the supporting plate on one side of the lower die closing structure drives the material sheets to sequentially pass through the blanking structure and the stamping structure; and (4) punching and stamping.
Further, the upper mold closing structure comprises an upper mold plate and a fixing plate; one side of the upper template is arranged on the upper mounting plate through an upper die pin; the fixed plate is fixed on the other side of the upper template through a backing plate; the blanking structure comprises a punch block; the punch block is arranged on the fixing plate, the fixing plate drives the punch block to punch the material sheet on the first lower die, and the punch block is correspondingly punched and processed on the material sheet.
Further, a pressure plate is arranged on the fixing plate through a nitrogen spring; the nitrogen spring drives the material pressing plate to correspondingly press against the material sheet; the punch block penetrates through the material pressing plate; the material sheet fixing device is used for fixing material sheets and is convenient to punch.
Further, the lower die closing structure comprises a lower template; the bottom of the lower template is arranged on the lower mounting plate through a lower pin; a first lower die is arranged on the lower backing plate block on the lower die plate; a groove is formed in the middle of the first lower die, and the punch block is correspondingly adaptive to the groove; the bottom of the groove is provided with a top block; the top block is attached to the bottom surface of the material sheet; the punching die is used for punching in cooperation with the punch block.
Furthermore, a displacement sensor is arranged on one side of the groove on the first lower die, which corresponds to the second lower die; one end of the lower backing plate block is provided with a lower die insert; one end of the first lower die is clamped and embedded on the lower die insert, and the lower die insert is arranged far away from the position of the displacement sensor; the positioning is convenient.
Furthermore, the second lower die is arranged on the lower base plate at a distance from the first lower die; the punching structure comprises a cylindrical punch and a rectangular punch; one ends of the cylindrical punch and the rectangular punch are arranged on the fixing plate; and the other ends of the cylindrical punch and the rectangular punch respectively correspond to the slotted holes on the second lower die to perform punching hole processing.
Further, a cover plate is arranged on the supporting plate; the supporting plate and the cover plate are limited in the vertical direction of the material sheet; the lower die plate is provided with a cushion block on the other end corresponding to the lower die insert, the supporting plate is correspondingly arranged on the cushion block, and the bending is avoided by supporting the material sheet through the supporting plate.
Furthermore, a rolling guide rod is arranged on the lower template on one side of the second lower die; the fixed plate is provided with a guide hole; one end of the rolling guide rod, which is far away from the lower template, is correspondingly embedded in the guide hole; is beneficial to positioning and processing.
Further, the first step: blanking, wherein a blanking die is used for blanking the original material into a material sheet and punching a corresponding hole on the material sheet;
the second step: molding, namely stamping the punched material sheet at a corresponding position through a forming die to stamp a plurality of bulges;
the third step: punching, namely punching mounting holes in the corresponding positions of the plurality of bulges and the surface of the material sheet;
the fourth step: bending I, namely performing primary stamping and bending on a protruding sheet on a material sheet;
the fifth step: bending one side edge of the material sheet along the position of the convex edge on the material sheet to form a shielding plate;
and a sixth step: bending the other side edge of the material sheet, wherein the material sheet is of a clamping groove type structure;
the seventh step: and fourthly, bending the convex sheet bent for the first time on the material sheet again to form a U-shaped card structure.
Has the beneficial effects that: the blanking die can be used for processing the material sheet in a shape meeting the requirement, so that the subsequent processing is facilitated; including but not limited to the following benefits:
1) The blanking die is respectively provided with the blanking structure and the stamping structure, so that synchronous processing of multiple processes can be performed, multiple material sheets can be processed simultaneously, the processes are reduced, the efficiency is improved, and the processing requirement is met;
2) Remove the tablet through the layer board to through the position distance that the displacement inductor response moved, make things convenient for blanking structure and stamping structure to carry out blanking and punching press in accurate position, improve the machining precision.
Drawings
FIG. 1 is a drawing of a blanking die;
FIG. 2 is a cross-sectional view of a punch block;
FIG. 3 is a view showing the structure of a rolling guide bar;
FIG. 4 is a view of a sheet material structure;
FIG. 5 is a slot type structure;
fig. 6 is a card configuration.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figures 1-6: a processing die for automobile parts is characterized in that an original material is blanked through a blanking die 1, a material sheet is blanked, the blanked material sheet has a certain shape structure and can facilitate processing of subsequent procedures, the material sheet is stamped into a sheet material sheet A through a forming die, a protruding part is processed for preliminary forming, bending processing is facilitated, a plurality of mounting holes are stamped in corresponding positions on the sheet material sheet A, mounting is facilitated, two sides of the sheet material sheet A are bent through a bending die to form a clamping groove type structure B, other parts are clamped firstly during mounting, mounting is performed, and stability can be improved; the protruding piece that later punches the cutting out on the tablet bends, forms card C, blocks through card C earlier during same installation, can reduce the installation back not hard up possibility.
The clamping groove type structure B comprises a main body plate B1; the two end edges of one side of the main body plate B1 are symmetrically provided with shielding plates B2; the main body plate B1 and the shielding plate B2 are of an integral structure and are in a clamping groove shape; the top of the main body plate B1 is provided with a through hole B11 which can play a good role in matching installation and ventilation; a through groove B12 is convexly arranged in the middle of the main body plate B1, so that other accessories can be clamped in the through groove conveniently to be mounted more conveniently; the shield B2 is provided with a protruding opening B21 at the position corresponding to the through groove B12, so that other accessories in the through groove can be clamped through the protruding opening B21, and the phenomenon that the shield B2 is easy to slip is avoided.
The card C is in a U-shaped structure; the middle part of the card C1 is concavely provided with a groove C2; the middle part of one end of the card C1, which is far away from the main body plate, protrudes C3; a through hole C4 is formed in the protrusion C3; the section of the through hole C4 is semicircular; notches C5 are respectively formed in two side edges of the protrusion C3. Can block through card C1 when the installation to protrusion C3 can conveniently block, and install through incision C5, and the part can have good steadiness after the installation like this, avoids the slippage.
The blanking die 1 comprises an upper die closing structure 12 and a lower die closing structure 11; a blanking structure 13 and a stamping structure 14 are arranged on the upper die closing structure 12 at intervals; the lower mold closing structure 11 comprises a first lower mold 111 and a second lower mold 112; the blanking structure 13 is movably blanked on the first lower die 111, and the stamping structure 14 is movably stamped on the second lower die 112; the supporting plate 15 on one side of the lower die closing structure 11 drives the material sheets to sequentially pass through the blanking structure 13 and the stamping structure 14; the blanking structure 13 is correspondingly matched with the first lower die 111 to blank the raw material, a material sheet with a certain shape structure is processed, the supporting plate 15 drives the material sheet to a stamping structure position, and the stamping structure 14 is matched with the second lower die 112 to stamp a plurality of holes on the material sheet, so that the material sheet can be installed and fixed through the processed holes when being installed.
The upper clamp structure 12 includes an upper platen 121 and a stationary platen 124; one side of the upper template 121 is mounted on the upper mounting plate 123 through an upper template leg 122; the fixing plate 124 is fixed to the other side of the upper mold plate 121 by a backing plate 125; the blanking structure 13 comprises a punch block 131; the punch block 131 is arranged on the fixing plate 124, and the fixing plate 124 drives the punch block 131 to punch the material sheets on the first lower die 111; the external force drives the mounting plate 123 to drive the fixing plate 124 and the backing plate 125 to move, and the corresponding punch block 131 correspondingly moves to be embedded into the first lower die 111 and cut the material sheet.
A pressure plate 127 is arranged on the fixing plate 124 through a nitrogen spring 126; the nitrogen spring 126 drives the pressure plate 127 to correspondingly press against the charge sheet; the punch block 131 penetrates through the pressure plate 127; before blanking, the nitrogen spring 126 drives the pressure plate 127 to press the original material sheet firstly, and then the punch block performs blanking, so that the material sheet can be prevented from moving during blanking, the size accuracy is improved, and waste products are prevented from being produced.
The lower mold closing structure 11 comprises a lower template 113; the bottom of the lower template 113 is arranged on a lower mounting plate 115 through a lower die leg 114; a first lower die 111 is arranged on the lower cushion plate block 16 on the lower template 113; a groove 1111 is formed in the middle of the first lower die 111, and the punch block 131 is correspondingly adapted to the groove 1111; the bottom of the groove 1111 is provided with a top block 1112; the top block 1112 is attached to the bottom surface of the material sheet; the punch block 131 correspondingly punches the material sheet and sinks into the groove, and then the material sheet is jacked up by the jacking block, so that the material sheet is conveniently dragged to a punching structure position for punching.
A displacement sensor 1113 is arranged on one side of the groove 1111 of the first lower die 111, which corresponds to the second lower die 112; a lower die insert 1131 is arranged at one end of the lower cushion block 16; one end of the first lower die 111 is clamped and embedded on the lower die insert 1131, and the lower die insert 1131 is arranged away from the displacement sensor 1113; lower mould mold insert 1131 is used for stabilizing first lower mould and second lower mould, guarantees stability, and displacement inductor 1113 is used for responding to the tablet position of moving, and when the tablet moved the distance of setting for, displacement inductor 1113 signals for the controller, and the corresponding control of controller carries out blanking and punching once more, convenient operation.
The second lower die 112 is arranged on the lower cushion plate 16 at a distance from the first lower die 111; the punching structure 14 comprises a cylindrical punch 117 and a rectangular punch 118; one end of the cylindrical punch 117 and one end of the rectangular punch 118 are arranged on the fixing plate 124; the other ends of the cylindrical punch 117 and the rectangular punch 118 correspond to the slotted holes on the second lower die 112 respectively; the plurality of cylindrical punches 117 and the plurality of rectangular punches 118 are provided to process a plurality of different mounting holes, and can be conveniently installed in a matching manner.
A cover plate 151 is arranged on the supporting plate 15; the supporting plate 15 and the cover plate 151 are limited in the vertical direction of the material sheet; the other end of the lower template 113 corresponding to the lower mold insert 1131 is provided with a cushion block 152, and the supporting plate 15 is correspondingly arranged on the cushion block 152. The material sheets can be limited to move vertically by the clamping cover of the supporting plate 15 and the cover plate 151, so that folding and collision generated during conveying of the material sheets are reduced, and crease marks are avoided to cause damage.
A rolling guide rod 17 is arranged on a lower template 113 at one side of the second lower die 112; the fixing plate 124 is provided with a guide hole 171; one end of the rolling guide rod 17, which is far away from the lower template 113, is correspondingly embedded in the guide hole 171; when punching and pressing are performed, the rolling guide bar 17 is fitted into the guide hole 171 to be guided and positioned, whereby machining can be performed at a correct position, and the rejection rate can be reduced.
The automobile part processing technology comprises the following steps: the first step is as follows: blanking, namely blanking the original material into a material sheet by a blanking die 1 and punching corresponding holes on the material sheet; can conveniently carry out firm installation through the hole that the processing was come out.
The second step is that: molding, namely stamping the punched material sheet at a corresponding position through a forming die to stamp a plurality of bulges; the sheet after stamping forming can make things convenient for follow-up processing through the arch to also can play the effect of spacing cooperation installation when the installation, improve the steadiness after the installation.
The third step: punching, namely processing through a punching die, and punching mounting holes in the corresponding positions on the surfaces of the plurality of bulges and the material sheet; the installation that stabilizes through a plurality of mounting holes that process out prevents to become flexible.
The fourth step: bending, namely processing through a bending die, and performing primary stamping and bending on a convex sheet on the material sheet; be the right angle, the secondary punching press of being convenient for is bent, forms the card, conveniently blocks firm installation.
The fifth step: bending II, processing through a bending die, and bending one side edge of the material sheet along the position of the convex edge on the material sheet to form a shielding plate;
and a sixth step: bending the other side edge of the material sheet by processing through a bending die, wherein the material sheet is in a clamping groove structure; through bending the tablet both sides and forming the draw-in groove, can block other parts through the draw-in groove earlier and then installing when the installation, can strengthen the steadiness between the part, avoid not hard up.
The seventh step: bending, namely processing through a bending die, and bending the convex sheet bent for the first time on the material sheet again to form a U-shaped card structure; the clamping piece is formed through twice bending processing, other components can be clamped through the clamping piece firstly during installation, excessive gaps among the components are avoided during installation, and the clamping piece has good stability after installation.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The utility model provides an auto parts's mold processing which characterized in that: blanking an original material through a blanking die (1), blanking a discharged material sheet, punching the material sheet through a forming die to form a preliminarily formed sheet material sheet (A), punching a plurality of mounting holes in corresponding positions on the sheet material sheet (A), and bending two sides of the sheet material sheet (A) through a bending die to form a clamping groove type structure (B); then, bending the convex sheet punched on the material sheet to form a card (C);
the clamping groove type structure (B) comprises a main body plate (B1); the two end edges of one side of the main body plate (B1) are symmetrically provided with shielding plates (B2); the main body plate (B1) and the shielding plate (B2) are of an integral structure and are in a clamping groove shape; the top of the main body plate (B1) is provided with a through hole (B11), and the middle part of the main body plate (B1) is convexly provided with a through groove (B12); a protruding opening (B21) is formed in the position, corresponding to the through groove (B12), of the shielding plate (B2), and other accessories in the clamping through groove can be clamped through the protruding opening (B21);
the card (C) is in a U-shaped structure; a groove (C2) is concavely arranged in the middle of the card (C1); a protrusion (C3) is arranged in the middle of one end, far away from the main body plate, of the card (C1); a through hole (C4) is formed in the protrusion (C3); the cross section of the through hole (C4) is semicircular; notches (C5) are respectively formed in two side edges of the bulge (C3);
the blanking die (1) comprises an upper die closing structure (12) and a lower die closing structure (11); a blanking structure (13) and a stamping structure (14) are arranged on the upper die closing structure (12) at intervals; the lower die closing structure (11) comprises a first lower die (111) and a second lower die (112); the blanking structure (13) is movably blanked on the first lower die (111), and the stamping structure (14) is movably stamped on the second lower die (112); a supporting plate (15) on one side of the lower die closing structure (11) drives the material sheets to sequentially pass through the blanking structure (13) and the stamping structure (14);
the upper mold clamping structure (12) comprises an upper mold plate (121) and a fixing plate (124); one side of the upper template (121) is arranged on an upper mounting plate (123) through an upper template foot (122); the fixing plate (124) is fixed on the other side of the upper template (121) through a backing plate (125); the blanking structure (13) comprises a punch block (131); the punch block (131) is arranged on the fixing plate (124), and the fixing plate (124) drives the punch block (131) to punch the material sheets on the first lower die (111);
the lower mold closing structure (11) comprises a lower template (113); the bottom of the lower template (113) is arranged on a lower mounting plate (115) through a lower die foot (114); a first lower die (111) is arranged on a lower cushion block (16) on the lower template (113); a groove (1111) is formed in the middle of the first lower die (111), and the punch block (131) is correspondingly adapted to the groove (1111); the bottom of the groove (1111) is provided with a top block (1112); the top block (1112) is attached to the bottom surface of the material sheet;
the second lower die (112) is arranged on the lower cushion plate block (16) and is spaced from the first lower die (111); the punching structure (14) comprises a cylindrical punch (117) and a rectangular punch (118); one ends of the cylindrical punch head (117) and the rectangular punch head (118) are arranged on the fixing plate (124); the other ends of the cylindrical punch head (117) and the rectangular punch head (118) respectively correspond to the slotted holes on the second lower die (112).
2. The processing die for the automobile parts as claimed in claim 1, wherein: a pressure plate (127) is arranged on the fixing plate (124) through a nitrogen spring (126); the nitrogen spring (126) drives the material pressing plate (127) to correspondingly press against the material sheet; the punch block (131) penetrates through the pressure plate (127).
3. The processing mold for automobile parts according to claim 2, wherein: a displacement inductor (1113) is arranged at one side of the groove (1111) on the first lower die (111) corresponding to the second lower die (112); a lower die insert (1131) is arranged at one end of the lower backing plate block (16); one end of the first lower die (111) is clamped and embedded on the lower die insert (1131), and the lower die insert (1131) is far away from the position of the displacement sensor (1113).
4. The processing mold for automobile parts according to claim 3, wherein: a cover plate (151) is arranged on the supporting plate (15); the supporting plate (15) and the cover plate (151) are limited in the vertical direction of the material sheet; the other end of the lower template (113) corresponding to the lower die insert (1131) is provided with a cushion block (152), and the supporting plate (15) is correspondingly arranged on the cushion block (152).
5. The processing mold for automobile parts according to claim 4, wherein: a rolling guide rod (17) is arranged on a lower template (113) at one side of the second lower die (112); a guide hole (171) is formed in the fixing plate (124); one end of the rolling guide rod (17) far away from the lower template (113) is correspondingly embedded in the guide hole (171).
6. The process for manufacturing a mold for manufacturing automobile parts according to claim 5, wherein the first step comprises: blanking, namely blanking the original material into a material sheet by a blanking die (1), and punching corresponding holes on the material sheet;
the second step: forming, namely stamping the blanked material sheet at a corresponding position through a forming die to stamp a plurality of bulges;
the third step: punching, namely punching mounting holes in the corresponding positions of the plurality of bulges and the surface of the material sheet;
the fourth step: bending I, namely performing primary stamping and bending on a protruding sheet on a material sheet;
the fifth step: bending one side edge of the material sheet along the position of the convex edge on the material sheet to form a shielding plate;
and a sixth step: bending the other side edge of the material sheet to form a clamping groove type structure;
the seventh step: and fourthly, bending the convex sheet bent for the first time on the material sheet again to form a U-shaped card structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011438150.2A CN112705626B (en) | 2020-12-11 | 2020-12-11 | Machining die and machining process for automobile parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011438150.2A CN112705626B (en) | 2020-12-11 | 2020-12-11 | Machining die and machining process for automobile parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112705626A CN112705626A (en) | 2021-04-27 |
| CN112705626B true CN112705626B (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011438150.2A Active CN112705626B (en) | 2020-12-11 | 2020-12-11 | Machining die and machining process for automobile parts |
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| Country | Link |
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| CN (1) | CN112705626B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116652025B (en) * | 2023-06-27 | 2023-10-31 | 南通维德运动用品有限公司 | Stamping die for metal sports equipment production |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798157A (en) * | 2014-12-30 | 2016-07-27 | 无锡鼎闰精密机械有限公司 | Processing die for hard disk fixing support |
| CN206065229U (en) * | 2016-09-30 | 2017-04-05 | 安徽江淮汽车集团股份有限公司 | Automatic stamping mould and its pay-off |
| CN107838286A (en) * | 2017-12-14 | 2018-03-27 | 常州北川机械制造有限公司 | A kind of safety belt bracket punch forming process |
| CN207606175U (en) * | 2017-12-06 | 2018-07-13 | 江西江铃底盘股份有限公司 | A kind of rear axle oil baffle punching and blanking processing mold |
| CN208960769U (en) * | 2018-09-13 | 2019-06-11 | 河海大学文天学院 | Coachbuilt body crossbeam process equipment |
| CN210098717U (en) * | 2019-06-05 | 2020-02-21 | 重庆渝威特科技有限公司 | Progressive die steering shaft support punch forming die |
-
2020
- 2020-12-11 CN CN202011438150.2A patent/CN112705626B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798157A (en) * | 2014-12-30 | 2016-07-27 | 无锡鼎闰精密机械有限公司 | Processing die for hard disk fixing support |
| CN206065229U (en) * | 2016-09-30 | 2017-04-05 | 安徽江淮汽车集团股份有限公司 | Automatic stamping mould and its pay-off |
| CN207606175U (en) * | 2017-12-06 | 2018-07-13 | 江西江铃底盘股份有限公司 | A kind of rear axle oil baffle punching and blanking processing mold |
| CN107838286A (en) * | 2017-12-14 | 2018-03-27 | 常州北川机械制造有限公司 | A kind of safety belt bracket punch forming process |
| CN208960769U (en) * | 2018-09-13 | 2019-06-11 | 河海大学文天学院 | Coachbuilt body crossbeam process equipment |
| CN210098717U (en) * | 2019-06-05 | 2020-02-21 | 重庆渝威特科技有限公司 | Progressive die steering shaft support punch forming die |
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| Publication number | Publication date |
|---|---|
| CN112705626A (en) | 2021-04-27 |
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