CN114653834B - Spliced metal plate girder part forming die - Google Patents
Spliced metal plate girder part forming die Download PDFInfo
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- CN114653834B CN114653834B CN202210406405.XA CN202210406405A CN114653834B CN 114653834 B CN114653834 B CN 114653834B CN 202210406405 A CN202210406405 A CN 202210406405A CN 114653834 B CN114653834 B CN 114653834B
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- 239000002184 metal Substances 0.000 title claims abstract description 50
- 238000004080 punching Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000009826 distribution Methods 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to the technical field of metal plastic forming, and in order to solve the technical problem that the existing metal plate stamping forming die cannot be compatible with various stamping requirements, the invention discloses a spliced metal plate beam part forming die, wherein a base is provided with an array of fixing holes, a female die comprises a female die box body fixed on the left top surface and the right top surface of the base, a rotating female die and a female die compensation piece are arranged in the female die box body, a stamping groove is formed between the rotating female dies, one side of the female die box body is respectively provided with a female die baffle, a female die dismounting plate is also arranged between the female die baffle, and a female die adding plate is arranged at the top of the female die box body; the male die compensating plates are arranged on two sides of the male die mother plate, and the male die disassembling plate is arranged between the male die mother plate and the male die compensating plates. The position of the female die box body on the base is adjustable, the punch disassembling plate and the female die disassembling plate can be added or disassembled to meet the stamping width requirement of beam parts, and the die adding plate can be added or disassembled to meet the stamping depth requirement of beam parts, so that the purpose of being compatible with various stamping requirements is achieved.
Description
Technical Field
The invention relates to the technical field of metal plastic forming, in particular to a spliced metal plate girder part forming die.
Background
In sheet metal stamping dies, the die dimensions are generally fixed and are only suitable for part forming manufacturing with single stamping requirements, and it is difficult to accommodate the requirements of thickness, material and dimensional variation of the series of sheet metal pieces. In the middle and small batch production, the manufacturing cost is increased and the production efficiency is reduced according to the method for producing the workpiece and replacing the production equipment.
When series beam parts are produced by trial production or small-batch stamping, a plurality of forming dies are designed and manufactured, so that the production period is long, the production cost is high, and the research and development progress of related products is restricted. In view of the above, there is a need for a forming die for spliced metal plate beam parts to meet the demands of plastic forming and manufacturing of metal plate series beam parts, and solve the problems of troublesome replacement, increased cost and reduced production efficiency caused by the fact that the existing metal plate stamping die cannot be compatible with various stamping demands.
Disclosure of Invention
The invention aims to provide a spliced metal plate beam part forming die which solves the technical problem that the existing metal plate stamping die cannot be compatible with various stamping requirements.
In order to achieve the above purpose, the specific technical scheme of the spliced metal plate girder type part forming die is as follows:
the spliced metal plate beam part forming die comprises a base, a female die and a male die, wherein the base is provided with fixing holes for adjusting the fixing positions of the female die in an array mode, the female die comprises female die box bodies which are respectively fixed on the left top surface and the right top surface of the base, a rotary female die and a female die compensation piece are arranged in the female die box bodies, a stamping groove for stamping the male die is formed between the rotary female die, female die baffle plates are respectively arranged on the opposite sides of the two female die box bodies, a female die dismounting plate for adjusting the width of the stamping groove is further arranged between the female die baffle plates, and a female die mounting plate for adjusting the depth of the stamping groove is further arranged at the top of the female die box bodies; the male die comprises a male die mother board, male die compensating plates are arranged on two sides of the male die mother board, and a male die detaching plate for adjusting stamping width is arranged between the male die mother board and the male die compensating plates.
The die box position can be according to stamping workpiece width adjustment and the hookup location of base, and the die adds the board and can increase or dismantle according to the punching press degree of depth, and punch plate, die dismantlement board can dismantle or increase according to stamping workpiece width, through adjusting die box and the hookup location of base to and increase or dismantle punch plate and die dismantlement board in order to adapt to roof beam class part punching press width demand, add the board in order to adapt to the degree of depth demand of roof beam class part through increasing or dismantling the die, and the part can used repeatedly, and simple structure easily changes, reduces manufacturing cost.
The rotary die and the die compensator are respectively and independently arranged and are connected inside the die box body through screws, so that the rebound compensator can be customized according to the rebound phenomenon of beam parts, and the die compensator is easy to replace.
Further, the female die box body comprises a limiting block which is tightly attached to the inner wall of the female die box body, and a limiting groove matched with the limiting block is formed in the rotating female die; the rotating female die is provided with a second-stage step formed by an upper step and a lower step, the upper step is used for placing a female die compensation piece, the lower step is used for abutting against a male die compensation plate, the lower step extends downwards to form a rotating cambered surface, the female die baffle is provided with a baffle cambered surface matched with the rotating cambered surface, the compensation surface of the female die compensation piece is a convex cambered surface, and the male die compensation plate is provided with a concave cambered surface matched with the female die compensation piece.
The compensation surface of the female die compensation piece adopts a convex arc shape, the male die descends to cause the rotation of the female die, the female die compensation piece extrudes the metal plate on the side surface, then the metal plate is extruded outwards at the stamping position of the compensation piece in the male die withdrawal stage along with the movement of the connecting piece to the inside of the female die box body, the internal stress at the bending angle of the metal plate is released, and the bending rebound compensation control of the metal plate is completed.
Further, the die compensation piece is connected with the rotating die through the screw, the two ends of the rotating die are rotationally connected with the two side ends of the die box body through the pin shaft, the die box body is provided with a box body through hole, the rotating die is provided with a connecting groove and a connecting hole communicated with the connecting groove, the die compensation piece further comprises a connecting piece for connecting the rotating die and the die box body, the connecting piece comprises a connector and a connecting rod, the connector is located in the connecting groove, the connecting rod penetrates through the connecting hole and the box body through hole, and a spring for resetting is arranged between the rotating die and the inner wall of the die box body.
The side surface of the rotating female die is connected with the inner part of the female die box body through a spring, 5 degrees of freedom of the rotating female die are restricted by the connecting piece, the bolt and the female die box body together before stamping, the rotating female die is rotated to a certain angle towards the inner part of the female die box body by the spring, the lower behavior of the male die is not influenced, and when the male die contacts the right-angle surface of the rotating female die, the rotating female die rotates to drive the female die compensation piece to laterally extrude a metal plate; after stamping, the connecting piece rotates by 90 degrees, then moves backwards to drive the rotating female die and the female die compensation piece to displace backwards, and the ascending of the male die is not affected.
Further, the female die box body is connected with the base through screws.
Further, the thickness of the male die disassembling plate is equal to that of the female die disassembling plate, and the upper position and the lower position correspond.
Further, the novel water heater further comprises a top plate and a top rod connected with the top plate, wherein a groove and a bottom hole communicated with the groove are formed in the middle of the base.
Further, the upper surface of die baffle, the upper surface of die dismantlement board and the step face level of step down, die baffle, die dismantlement board and die box's both ends pass through stud and are connected, can rise along with the roof goes up in the base, and descend along with the terrace die descends, and at the beginning of punching press stage, the roof goes up to promote die dismantlement board and upwards displaces, and after die dismantlement board upper surface contacted sheet metal, roof, die dismantlement board, terrace die descend in step, have guaranteed the precision of punching press process, have prevented that sheet metal from producing deformation.
The spliced metal plate girder part forming die provided by the invention has the following advantages:
the die box position can be according to stamping workpiece width adjustment and the hookup location of base, and the die adds the board and can increase or dismantle according to the punching press degree of depth, and punch plate, die dismantlement board can dismantle or increase according to stamping workpiece width, through adjusting die box and the hookup location of base to and increase or dismantle punch plate and die dismantlement board in order to adapt to roof beam class part punching press width demand, add the board in order to adapt to the degree of depth demand of roof beam class part through increasing or dismantling the die, and the part can used repeatedly, and simple structure easily changes, reduces manufacturing cost. In addition, deformation in the stamping process is prevented, and rebound compensation control is directly carried out on the stamped workpiece; through the recess that sets up on the base and roof, wrinkling in the sheet metal stamping process has been prevented. Convenient operation and improved production efficiency.
Drawings
FIG. 1 is a perspective structure diagram of a forming die for spliced metal plate girder parts, which is provided by the invention;
FIG. 2 is an exploded view of a spliced metal plate girder type part forming die provided by the invention;
FIG. 3 is an exploded view of the left female die provided by the invention;
FIG. 4 is an exploded view of the right female die provided by the invention;
FIG. 5 is a diagram of the rotating die and die case of the present invention;
FIG. 6 is a top plate and ram block diagram provided by the present invention;
FIG. 7 is a cross-sectional structural view of the female die provided by the invention;
fig. 8 is a schematic diagram showing a cross-sectional view of the device of the present invention before and after stamping.
In the figure: 1. a base; 2. a female die; 3. a male die; A. a structure diagram before stamping; B. a structure diagram after stamping; C. an uplink state;
11. a groove; 12. a bottom hole; 13. a top plate; 14. a push rod; 15. a fixing hole; 21. a female die box body; 211. a limiting block; 212. a box body through hole; 22. adding a plate to the female die; 23. a connecting piece; 24. rotating the female die; 241. a limit groove; 242. a connecting groove; 243. a connection hole; 244. a step is arranged; 245. descending a step; 246. rotating the cambered surface; 25. a female die compensation member; 26. a female die baffle; 27. the female die is disassembled from the plate; 28. a stud bolt; 29. a spring; 2A, a screw; 31. a male die motherboard; 32. a male mold stripper; 33. adding a plate to the male die; 34. a male die compensating plate.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 8, the invention provides a spliced metal plate beam part forming die, which comprises a base 1, a female die 2 and a male die 3, wherein a fixing hole 15 for adjusting the fixing position of the female die 2 is arrayed on the base 1, the female die 2 comprises two female die boxes 21 respectively fixed on the left top surface and the right top surface of the base 1, a rotating female die 24 and a female die compensation piece 25 are arranged in the female die boxes 21, a stamping groove for stamping the male die 3 is formed between the rotating female dies 24, a female die baffle 26 is arranged on one side opposite to the two female die boxes 21, a female die dismounting plate 27 for adjusting the width of the stamping groove is further arranged between the female die baffle 26, and a female die adding plate 22 for adjusting the depth of the stamping groove is further arranged on the top of the female die boxes 21.
The male die 3 comprises a male die mother plate 31, male die compensating plates 34 are arranged on two sides of the male die mother plate 31, and a male die detaching plate 32 for adjusting stamping width is arranged between the male die mother plate 34 and the male die compensating plates 34.
The rotary die 24 and the die compensator 25 are respectively and independently arranged and connected through the screw 2A, and are connected to the two side ends of the die box body together through a distribution shaft, so that the rebound compensator can be customized according to the rebound phenomenon of beam parts, and the replacement is easy.
The base 1 and the female die box body 21 are connected through screws, and the mounting positions of the female die box body 21 on the base 1 can be adjusted according to the width of the stamping part through a plurality of fixing holes 15.
The female die box 21 is connected with the female die adding plate 22 through bolts and nuts, and the female die adding plate 22 can be increased or detached according to the stamping depth.
The male die compensating plate 34, the male die adding plate 33, the male die motherboard 31 and the male die detaching plate 32 are connected through screws, and the male die detaching plate 32 can be detached or increased according to the width of the stamping part.
In summary, through adjusting the connection position of the female die box 21 and the base 1, and adding or removing the male die removing plate 32 and the female die removing plate 27 to adapt to the requirement of the stamping width of the beam parts, through adding or removing the female die adding plate 22 to adapt to the depth requirement of the beam parts, the male die removing plate 32 and the female die removing plate 27 are removed and added according to the width of the stamping part, so that the stamping precision after the position of the female die box 21 is adjusted is ensured. Parts can be reused, the structure is simple and easy to replace, and the production cost is reduced.
Wherein, the die box 21 is connected with the base 1 through screws. The thickness of the punch stripper plate 32 is equal to the thickness of the die stripper plate 27 and corresponds to the up and down positions. The male die compensator 34 corresponds to the female die compensator 25 which is summarized according to stamping experience or formula, the thickness of the male die compensator 34 is larger than the height of the convex cambered surface of the female die compensator 25, and the total thickness of the male die compensator 34 and the male die adding plate 33 is smaller than or equal to the thickness of the female die baffle 26 minus the thickness of the metal plate to be processed.
In an embodiment, the female die case 21 includes a limiting block 211 attached to an inner wall thereof, and the rotating female die 24 is provided with a limiting groove 241 matched with the limiting block 211, so as to ensure that the rotating female die 24 does not deviate in a larger position in the female die case 21.
The rotating die 24 is provided with a secondary step consisting of an upper step 244 and a lower step 245, the upper step 244 is used for placing the die compensator 25, the lower step 245 is used for abutting against the die compensator 34, the lower step 245 extends downwards to form a rotating cambered surface 246, the die baffle 26 is provided with a baffle cambered surface matched with the rotating cambered surface, the compensating surface of the die compensator 25 is a convex cambered surface, and the die compensator 34 is provided with a concave cambered surface matched with the die compensator 25.
The female die case 21 is provided with a case through hole 212, the rotating female die 21 is provided with a connecting groove 242 and a connecting hole 243 penetrating the connecting groove 242, and is further provided with a connecting piece 23, the connecting piece 23 comprises a connecting head and a connecting rod, the connecting head is positioned in the connecting groove 242, the connecting rod penetrates the connecting hole 243 and the case through hole 212, and a spring 29 for resetting is arranged between the rotating female die 24 and the inner wall of the female die case 21, referring to fig. 7.
The rotating die 24 is rotationally connected with two end walls of the die box body 21 through pin shafts, the pin shafts are preferably bolts, long round holes are formed in two side walls of the die box body 21, the bolts penetrate through the long round holes, the width of the long round holes is equal to the width of the horizontal right-angle side of the rotating die 24, which is exposed out of the die box body 21, and the distance that the rotating die 24 can move backwards is also equal to the distance that the rotating die 24 can move backwards. The female die compensator 25 is connected with the rotary female die 24 through a screw, the rotary female die 24 is provided with a step, the female die compensator 25 is provided with a convex cambered surface, and the male die compensator 34 is provided with a concave cambered surface matched with the female die compensator 25, so that the female die compensator 25 extrudes the metal plate along the concave cambered surface of the male die compensator 34.
Referring to fig. 7 and 8, the side surface of the rotating die 24 is connected with the inside of the die box 21 through a spring 29, before punching, the connecting piece 23, the bolt and the die box 21 jointly restrict 5 degrees of freedom of the rotating die 24, the spring 29 rotates the rotating die 24 to a certain angle towards the inside of the die box 21, the lower behavior of the male die is not affected, and when the male die contacts the right-angle surface of the rotating die 24, the rotating die 24 rotates to drive the die compensator 25 to laterally squeeze the metal plate; after the stamping is finished, the connecting piece 23 rotates by 90 degrees and then moves backwards, so that the rotating female die 24 and the female die compensation piece 25 are driven to move backwards, and the ascending of the male die is not influenced.
The spring 29 is tensioned before stamping, so that the rotary die 24 rotates, the rotary die 24 rotates under the downward pressure of the male die 3, the die compensator 25 extrudes the bending part of the metal plate, after the stamping stroke is finished, the connecting piece rotates by 90 degrees, the rotary die 24 is pulled backwards along the oblong holes on the two side walls of the die box 21, and then the deformation part of the side wall is extruded outwards when the male die 3 moves upwards, so that secondary deformation is completed. The spring 29 can rotate the rotary die for a certain angle before stamping, so that the downward movement of the male die is not affected; a part of the connecting piece 23 is placed inside the rotating die 24 and rotated 90 ° before stamping.
When the male die 3 punches downwards, when the metal plate contacts the rotating female die 24, the rotating female die 24 rotates to the right angle surface level around the pin shaft, in the process, the female die compensator 25 converts the descending pressure of the male die 3 into the pressure on the side wall of the metal plate, after the punching is finished, the rotating female die 24 moves into the female die box 21 under the tension of the connecting piece 23, the male die 3 moves upwards smoothly, the deformed side wall of the metal plate is extruded by the male die 3 to deform to release the internal stress, the bending rebound is eliminated, and the rebound compensation control of the beam parts is realized.
The spliced metal plate beam part forming die further comprises a top plate 13 and a top rod 14 vertically connected with the center of the top plate 13, a groove 11 and a through hole 12 communicated with the groove 11 are formed in the middle of the base 1, the top rod 14 is inserted into the through hole 12, and the top plate 13 can be accommodated in the groove 11.
The female die box 21, the female die baffle 26 and the female die dismounting plate 27 are connected through stud bolts 28, the female die dismounting plate 27 can be increased or dismounted according to the width of the stamping part, and can be lifted up along with the upward movement of the inner top plate of the base, and lowered down along with the downward movement of the male die.
When the stamping die is used, the top plate 13 and the ejector rod 14 push the die disassembly plate 27 upwards to abut against the metal plate before stamping, then the upper surface of the die disassembly plate 27 and the lower surface of the male die 3 restrict the bulging phenomenon of the metal plate in the stamping process along with the descending of the male die 3, and the wrinkling defect of the metal plate in the stamping process is prevented.
In summary, according to the spliced metal plate beam part forming die provided by the invention, the punch disassembling plate and the die disassembling plate are added or disassembled to meet the stamping width requirement of beam parts, the die assembling plate is added or disassembled to meet the depth requirement of beam parts, the stamping width and depth of beam parts of different metal plates are adapted, the complex requirement of metal plate series beam part forming processing is met, the parts can be repeatedly used and are easy to replace, and the production cost is reduced. In addition, deformation in the stamping process is prevented, and rebound compensation control is directly carried out on the stamped workpiece; through the recess that sets up on the base and roof, wrinkling defect in the sheet metal stamping process has been prevented. Convenient operation and improved production efficiency.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The utility model provides a concatenation formula metal sheet roof beam class part forming die, includes base (1), die (2) and terrace die (3), its characterized in that, array has fixed orifices (15) that are used for adjusting die (2) fixed position on base (1), die (2) are including fixing die box (21) at the top surface about base (1) respectively, be provided with in die box (21) and rotate die (24) and die compensator (25), two die box (21) opposite one side is provided with die baffle (26) respectively, constitute the punching press groove that is used for terrace die (3) punching press between rotating die (24), still be equipped with die dismantlement board (27) that are used for adjusting punching press groove width between die baffle (26), die box (21) top still is equipped with die and adds board (22) that are used for adjusting punching press groove degree of depth;
the male die (3) comprises a male die mother board (31), male die compensating plates (34) are arranged on two sides of the male die mother board (31), and a male die detaching plate (32) for adjusting stamping width is arranged between the male die mother board (31) and the male die compensating plates (34);
the female die box body (21) comprises a limiting block (211) which is tightly attached to the inner wall of the female die box body, and the rotating female die (24) is provided with a limiting groove (241) which is matched with the limiting block (211); the die comprises a die body and is characterized in that a rotating die (24) is provided with a second-stage step formed by an upper step (244) and a lower step (245), the upper step (244) is used for placing a die compensator (25), the lower step (245) is used for being abutted against a die compensator (34), the lower step (245) downwards extends to form a rotating cambered surface (246), a die baffle (26) is provided with a baffle cambered surface matched with the rotating cambered surface (246), a compensating surface of the die compensator (25) is a convex cambered surface, and the die compensator (34) is provided with a concave cambered surface matched with the die compensator (25).
2. The spliced metal plate girder type part forming die according to claim 1, wherein the female die compensation piece (25) is connected with the rotating female die (24) through a screw (2A), two ends of the rotating female die (24) are rotationally connected with two side ends of the female die box body (21) through pin shafts, the female die box body (21) is provided with a box body through hole (212), the rotating female die (24) is provided with a connecting groove (242) and a connecting hole (243) communicated with the connecting groove (242), the spliced metal plate girder type part forming die further comprises a connecting piece (23) for connecting the rotating female die (24) with the female die box body (21), the connecting piece (23) comprises a connecting head and a connecting rod, the connecting head is located in the connecting groove (242), the connecting rod penetrates through the connecting hole (243) and the box body through hole (212), and a spring (29) for resetting is arranged between the rotating female die (24) and the inner wall of the female die box body (21).
3. The spliced metal plate girder type part forming die according to claim 1, wherein the female die box body (21) is connected with the base (1) through screws.
4. The spliced metal plate girder type part forming die according to claim 1, wherein the thickness of the male die dismounting plate (32) is equal to that of the female die dismounting plate (27), and the upper and lower positions correspond.
5. The spliced metal plate girder type part forming die according to claim 1, further comprising a top plate (13) and a top rod (14) connected with the top plate (13), wherein a groove (11) and a bottom hole (12) communicated with the groove (11) are formed in the middle of the base (1).
6. The spliced metal plate girder type part forming die according to claim 1, wherein the upper surface of the die baffle (26), the upper surface of the die dismounting plate (27) and the step surface of the lower step (245) are horizontal, and the die baffle (26), the die dismounting plate (27) and two ends of the die box body (21) are connected through stud bolts (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210406405.XA CN114653834B (en) | 2022-04-18 | 2022-04-18 | Spliced metal plate girder part forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210406405.XA CN114653834B (en) | 2022-04-18 | 2022-04-18 | Spliced metal plate girder part forming die |
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| Publication Number | Publication Date |
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| CN114653834A CN114653834A (en) | 2022-06-24 |
| CN114653834B true CN114653834B (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210406405.XA Active CN114653834B (en) | 2022-04-18 | 2022-04-18 | Spliced metal plate girder part forming die |
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| CN1033767A (en) * | 1987-12-26 | 1989-07-12 | 承德市电子仪器厂 | Built-up plastics mould |
| CN108994181A (en) * | 2018-10-15 | 2018-12-14 | 滁州市志航精密模具科技有限公司 | A kind of sheet metal mould |
| CN211304373U (en) * | 2019-12-25 | 2020-08-21 | 昆山达顺祥精密模具有限公司 | Sheet metal stamping die |
| CN111822597A (en) * | 2020-07-20 | 2020-10-27 | 大连嘉翔科技有限公司 | Stamping die capable of quickly adjusting effective length of male die |
| CN111872183A (en) * | 2020-07-30 | 2020-11-03 | 北京汽车集团越野车有限公司 | Narrow-edge ultrahigh-strength steel part bending device and system |
| CN113927084A (en) * | 2021-11-23 | 2022-01-14 | 江西汽车钢板弹簧有限公司 | Adjustable device of spring steel plate side cut width |
-
2022
- 2022-04-18 CN CN202210406405.XA patent/CN114653834B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033767A (en) * | 1987-12-26 | 1989-07-12 | 承德市电子仪器厂 | Built-up plastics mould |
| CN108994181A (en) * | 2018-10-15 | 2018-12-14 | 滁州市志航精密模具科技有限公司 | A kind of sheet metal mould |
| CN211304373U (en) * | 2019-12-25 | 2020-08-21 | 昆山达顺祥精密模具有限公司 | Sheet metal stamping die |
| CN111822597A (en) * | 2020-07-20 | 2020-10-27 | 大连嘉翔科技有限公司 | Stamping die capable of quickly adjusting effective length of male die |
| CN111872183A (en) * | 2020-07-30 | 2020-11-03 | 北京汽车集团越野车有限公司 | Narrow-edge ultrahigh-strength steel part bending device and system |
| CN113927084A (en) * | 2021-11-23 | 2022-01-14 | 江西汽车钢板弹簧有限公司 | Adjustable device of spring steel plate side cut width |
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| Publication number | Publication date |
|---|---|
| CN114653834A (en) | 2022-06-24 |
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