CN113926899B - Method for producing round copper-aluminum composite part and stamping equipment thereof - Google Patents
Method for producing round copper-aluminum composite part and stamping equipment thereof Download PDFInfo
- Publication number
- CN113926899B CN113926899B CN202111276291.3A CN202111276291A CN113926899B CN 113926899 B CN113926899 B CN 113926899B CN 202111276291 A CN202111276291 A CN 202111276291A CN 113926899 B CN113926899 B CN 113926899B
- Authority
- CN
- China
- Prior art keywords
- die
- aluminum
- copper
- round
- molding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 title claims abstract description 205
- 239000002131 composite material Substances 0.000 title claims abstract description 76
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 117
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 117
- 238000003825 pressing Methods 0.000 claims abstract description 105
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000010949 copper Substances 0.000 claims abstract description 72
- 229910052802 copper Inorganic materials 0.000 claims abstract description 72
- 239000011265 semifinished product Substances 0.000 claims abstract description 47
- 238000005520 cutting process Methods 0.000 claims abstract description 19
- 238000000465 moulding Methods 0.000 claims description 93
- 238000003466 welding Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000007688 edging Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 34
- 239000000047 product Substances 0.000 abstract description 28
- 238000004080 punching Methods 0.000 abstract description 25
- 238000005056 compaction Methods 0.000 description 11
- 230000000149 penetrating effect Effects 0.000 description 9
- 238000011084 recovery Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
- B21D39/028—Reinforcing the connection otherwise than by deforming, e.g. welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/28—Associations of cutting devices therewith
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Punching Or Piercing (AREA)
Abstract
The application provides a production method of a round copper-aluminum composite part and punching equipment thereof. The production method of the round copper-aluminum composite part comprises the following steps: overlapping and pre-fixing the round copper sheet and the round aluminum sheet to form a copper-aluminum stacked piece; placing the copper-aluminum stacked piece in a die assembly, wherein the round aluminum sheet is contacted with the die assembly, and part of the round aluminum sheet protrudes out of the die assembly; pressing the edge of the copper-aluminum stacked piece, which is away from the die assembly, into an upper step and a lower step to form a semi-finished product; and (3) circular cutting the edges of the semi-finished product to form a circular copper-aluminum composite. Because the juncture of circular aluminum sheet and circular copper sheet is located outside the die subassembly for copper aluminum stacks the piece when receiving the punching press, copper material and aluminum product homoenergetic towards respective outside extension, and then avoided the problem that copper material extended to the aluminum product, also avoided the aluminum product to the problem that copper aluminum extended simultaneously, and then avoided copper material and aluminum product's boundary line to appear crooked problem, and then improved circular copper aluminum composite's performance.
Description
Technical Field
The invention relates to the technical field of stamping, in particular to a production method and stamping equipment of a round copper-aluminum composite part.
Background
The stamping is a forming processing method for obtaining a workpiece with a required shape and size by applying external force to plates, strips, pipes, sectional materials and the like by using a press machine and a die to make the plates, the strips, the pipes, the sectional materials and the like generate plastic deformation or separation. A circular copper-aluminum composite for lithium batteries, which is composed of a copper sheet and an aluminum sheet and has a plurality of steps, is commercially available. In order to improve the production benefit of the round copper-aluminum composite part, a general stamping die is used for production.
In the prior art, an upper die is provided with an upper cavity, a lower die is provided with a lower cavity, the upper cavity and the lower cavity form a forming cavity after the upper die and the lower die are closed, and the forming cavity is matched with a round copper-aluminum composite part. When the circular copper-aluminum composite part is manufactured, the circular copper sheet and the circular aluminum sheet are placed into a lower cavity of the lower die and then are closed through the upper die and the lower die, so that the circular copper sheet and the circular aluminum sheet are pressed into the circular copper-aluminum composite part. However, because the molding cavity is a closed space, the copper material cannot continuously extend to the outer side of the molding cavity, and then the copper material extends to the aluminum material, and then the copper material is sunk into the aluminum material, so that the problem of bending of the boundary between the copper material and the aluminum material occurs, and the usability of the circular copper-aluminum composite part is further reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a production method and punching equipment of a round copper-aluminum composite part.
The aim of the invention is realized by the following technical scheme:
the production method of the round copper-aluminum composite part comprises the following steps:
overlapping and pre-fixing the round copper sheet and the round aluminum sheet to form a copper-aluminum stacked piece;
placing the copper-aluminum stack in a die assembly, wherein the round aluminum sheet is in contact with the die assembly, and the round aluminum sheet partially protrudes from the die assembly;
pressing the edge of the copper-aluminum stacked piece, which is away from the die assembly, into an upper step and a lower step to form a semi-finished product;
And (3) ring cutting the edge of the semi-finished product to form a round copper-aluminum composite part.
In one embodiment, the step of pressing the copper-aluminum stack into an upper step and a lower step away from the edge of the die assembly to form a semi-finished product specifically includes:
pressing the edges of the copper-aluminum stacked piece, which deviate from the die assembly, into chamfers;
Thinning the part of the copper-aluminum stacked part with the chamfer so as to change the chamfer into an arc surface;
And pressing the top of the copper-aluminum stack into an upper step and a lower step to form a semi-finished product.
In one embodiment, after the step of thinning the portion of the copper-aluminum laminate having the chamfer to make the chamfer into an arc surface, and before the step of pressing the top of the copper-aluminum laminate into an upper step and a lower step to form a semi-finished product, the circular copper-aluminum composite production method further comprises the steps of:
And prepressing the part of the copper-aluminum laminated piece with the arc surface so that the top of the copper-aluminum laminated piece is provided with a prepressing step.
In one embodiment, the step of overlapping and pre-fixing the circular copper sheet and the circular aluminum sheet to form the copper-aluminum stack is specifically: and pre-fixing the round copper sheets and the round aluminum sheets through friction welding to form a copper-aluminum stacked piece.
In one embodiment, after the step of ring-cutting the edges of the semi-finished product to form a round copper-aluminum composite, the round copper-aluminum composite production method further comprises the steps of: and performing edging operation on the edge of the round copper-aluminum composite part.
A round copper-aluminum composite stamping apparatus for manufacturing the round copper-aluminum composite by using the round copper-aluminum composite production method described in any one of the above embodiments, the round copper-aluminum composite stamping apparatus comprising:
The stamping device is used for pressing the edge of the copper-aluminum stacked piece, which deviates from the die assembly, into an upper step and a lower step so as to form a semi-finished product; and
The ring cutting device is used for ring cutting the edge of the semi-finished product to form a circular copper-aluminum composite part;
The circular copper sheet and the circular aluminum sheet are positioned outside the forming female die of the forming stamping device.
In one embodiment, the press working mechanism includes a forming press device including:
the die assembly comprises a molding die holder lower die holder, a molding die and a molding top and bottom piece, the molding die is connected with the molding die holder lower die holder, the molding die is provided with a molding lower die hole, the molding top and bottom piece is penetrated through the molding lower die hole, so that the molding top and bottom piece and the molding lower die hole form a molding lower die cavity, the molding lower die cavity is used for accommodating the round aluminum sheet, and the round aluminum sheet extends out of the molding lower die cavity; and
The molding die assembly comprises a molding die holder and a molding press die, and the molding press die is connected with the molding die holder; the molding press die moves relative to the molding female die, a molding press die hole is formed in the molding press die, and a molding part is arranged at the edge, adjacent to the molding female die, of the molding press die.
In one embodiment, the molding die assembly further comprises a molding upper die jack post, the molding upper die jack post is arranged in the molding die hole in a penetrating mode and the molding press die in a penetrating mode, one end of the molding upper die jack post is elastically connected with the molding press die base, and the other end of the molding upper die jack post extends out of the molding press die.
In one embodiment, the molding die assembly further comprises a molding upper die elastic member disposed in the molding die holder and connected to one end of the molding upper die top post.
In one embodiment, the forming die assembly further comprises a forming guide post connected to the forming die holder; the forming die is provided with a forming guide hole, and the forming guide column is connected with the forming guide hole in a sliding mode.
Compared with the prior art, the invention has at least the following advantages:
According to the production method of the round copper-aluminum composite part, the copper-aluminum stacked part is placed on the die assembly, the round aluminum sheet is in contact with the die assembly, and part of the round aluminum sheet protrudes out of the die assembly, namely, after the copper-aluminum stacked part is placed on the die assembly, part of the round aluminum sheet is located in the die assembly, and the other part of the round aluminum sheet and the round copper sheet are located outside the die assembly, namely, the junction of the round aluminum sheet and the round copper sheet is located outside the die assembly. Because the juncture of circular aluminum sheet and circular copper sheet is located outside the die subassembly for copper aluminum stacks the piece when receiving the punching press, copper material and aluminum product homoenergetic towards respective outside extension, and then avoided the problem that copper material extended to the aluminum product, also avoided the aluminum product to the problem that copper aluminum extended simultaneously, and then avoided copper material and aluminum product's boundary line to appear crooked problem, and then improved circular copper aluminum composite's performance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart illustrating steps of a method for producing a round copper-aluminum composite according to an embodiment;
FIG. 2 is a schematic view of a forming press according to an embodiment;
FIG. 3 is a schematic view of another construction of the forming press shown in FIG. 2;
fig. 4 is a schematic view of a part of the forming press shown in fig. 3.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The method for producing the round copper-aluminum composite part in one embodiment comprises the following steps: overlapping and pre-fixing the round copper sheet and the round aluminum sheet to form a copper-aluminum stacked piece; placing the copper-aluminum stack in a die assembly, wherein the round aluminum sheet is in contact with the die assembly, and the round aluminum sheet partially protrudes from the die assembly; pressing the edge of the copper-aluminum stacked piece, which is away from the die assembly, into an upper step and a lower step to form a semi-finished product; and (3) ring cutting the edge of the semi-finished product to form a round copper-aluminum composite part.
According to the production method of the round copper-aluminum composite part, the copper-aluminum stacked part is placed on the die assembly, the round aluminum sheet is in contact with the die assembly, and part of the round aluminum sheet protrudes out of the die assembly, namely, after the copper-aluminum stacked part is placed on the die assembly, part of the round aluminum sheet is located in the die assembly, and the other part of the round aluminum sheet and the round copper sheet are located outside the die assembly, namely, the junction of the round aluminum sheet and the round copper sheet is located outside the die assembly. Because the juncture of circular aluminum sheet and circular copper sheet is located outside the die subassembly for copper aluminum stacks the piece when receiving the punching press, copper material and aluminum product homoenergetic towards respective outside extension, and then avoided the problem that copper material extended to the aluminum product, also avoided the aluminum product to the problem that copper aluminum extended simultaneously, and then avoided copper material and aluminum product's boundary line to appear crooked problem, and then improved circular copper aluminum composite's performance.
In order to better understand the above-mentioned method for producing the round copper-aluminum composite, the method for producing the round copper-aluminum composite according to the present embodiment is used for producing the round copper-aluminum composite, as shown in fig. 1, by further explaining the method for dicing and mounting the protection component. Further, the method for producing the round copper-aluminum composite comprises the following steps:
S101: and overlapping and pre-fixing the round copper sheets and the round aluminum sheets to form a copper-aluminum stacked piece. The round copper sheet and the round aluminum sheet are pre-fixed, so that the round copper sheet and the round aluminum sheet are fixedly connected to form a copper-aluminum stacking piece, the edge of the round copper sheet is overlapped with the edge of the round aluminum sheet, the problem that the round copper sheet and the round aluminum sheet are misplaced when being punched is avoided, and then the punching precision in the subsequent step is improved.
S103: and placing the copper-aluminum stacked piece on a die assembly, wherein the round aluminum sheet is contacted with the die assembly, and the round aluminum sheet partially protrudes out of the die assembly. The copper aluminum stacks the piece and places in the die subassembly, and circular aluminum sheet and die subassembly contact, and circular aluminum sheet part protrusion in the die subassembly, and copper aluminum stacks the piece and places after the die subassembly promptly, and circular aluminum sheet part is located the die subassembly, and another part of circular aluminum sheet and circular copper sheet are located outside the die subassembly, and also the juncture of circular aluminum sheet and circular copper sheet is located outside the die subassembly promptly for circular aluminum sheet and circular copper sheet can both extend in respective outside when follow-up punching press. Simultaneously, because circular aluminum sheet and circular copper sheet all can extend to respective outside when the punching press, reduced the required dynamics of punching press copper aluminium stack piece, and then reduced stamping equipment's loss, improved stamping equipment's life.
S105: and pressing the edge of the copper-aluminum stacking piece, which is away from the die assembly, into an upper step and a lower step to form a semi-finished product. And stamping the copper-aluminum stacked piece to form an upper step and a lower step at the edge of the copper-aluminum stacked piece, which is far away from the die assembly, namely, the upper edge of the copper-aluminum stacked piece forms the upper step and the lower step, so that the appearance of the round copper-aluminum composite piece is obtained, and the semi-finished product of the round copper-aluminum composite piece is obtained.
S107: and (3) ring cutting the edge of the semi-finished product to form a round copper-aluminum composite part. Cutting the semi-finished product along the edge of the semi-finished product to obtain the round copper-aluminum composite. And cutting out the waste of the semi-finished product through circular cutting operation, so that the circular copper-aluminum composite part is separated from the waste, and further the circular copper-aluminum composite part is obtained.
According to the production method of the round copper-aluminum composite part, the copper-aluminum stacked part is placed on the die assembly, the round aluminum sheet is in contact with the die assembly, and part of the round aluminum sheet protrudes out of the die assembly, namely, after the copper-aluminum stacked part is placed on the die assembly, part of the round aluminum sheet is located in the die assembly, and the other part of the round aluminum sheet and the round copper sheet are located outside the die assembly, namely, the junction of the round aluminum sheet and the round copper sheet is located outside the die assembly. Because the juncture of circular aluminum sheet and circular copper sheet is located outside the die subassembly for copper aluminum stacks the piece when receiving the punching press, copper material and aluminum product homoenergetic towards respective outside extension, and then avoided the problem that copper material extended to the aluminum product, also avoided the aluminum product to the problem that copper aluminum extended simultaneously, and then avoided copper material and aluminum product's boundary line to appear crooked problem, and then improved circular copper aluminum composite's performance.
In one embodiment, the step of pressing the copper-aluminum stack into an upper step and a lower step away from the edge of the die assembly to form a semi-finished product specifically includes: pressing the edges of the copper-aluminum stacked piece, which deviate from the die assembly, into chamfers so as to form arc surfaces in subsequent steps; thinning the part of the copper-aluminum laminate having the chamfer so that the chamfer becomes an arc surface to form an upper step and a lower step in the subsequent step; and pressing the top of the copper-aluminum stack into an upper step and a lower step to form a semi-finished product. In this embodiment, in order to form an upper step and a lower step on top of the copper-aluminum laminate, first, the upper edge of the copper-aluminum laminate is pressed into a chamfer, then the upper edge of the copper-aluminum laminate is pressed into an arc surface, that is, the chamfer of the copper-aluminum laminate is pressed into an arc surface, and finally the edge of the copper-aluminum laminate is pressed into an upper step and a lower step, that is, the arc surface of the copper-aluminum laminate is pressed into an upper step and a lower step. Because the deformation amount of the arc deformation into the step is smaller, the stress concentration of the upper step and the lower step after forming is reduced, thereby reducing the deformation amount of the upper step and the lower step after forming, and further improving the dimensional accuracy of the circular copper-aluminum composite part.
Further, after the step of thinning the portion of the copper-aluminum laminate having the chamfer to make the chamfer into an arc surface, and before the step of pressing the top of the copper-aluminum laminate into an upper step and a lower step to form a semi-finished product, the circular copper-aluminum composite production method further includes the steps of: and prepressing the part of the copper-aluminum laminated piece with the arc surface so that the top of the copper-aluminum laminated piece is provided with a prepressing step. In the step, the stamping operation is carried out on the copper-aluminum stacked piece, so that the edge of the copper-aluminum stacked piece forms a pre-pressing step, and the pre-pressing step is smaller than the first step and the second step in appearance difference, so that the first step and the second step are stamped out subsequently, the problem of stress concentration during the formation of the first step and the second step by subsequent stamping is avoided, the elastic recovery of the first step and the second step is restrained, and the dimensional stability of the first step and the second step after forming is further improved.
In one embodiment, the step of overlapping and pre-fixing the circular copper sheet and the circular aluminum sheet to form the copper-aluminum stack is specifically: and pre-fixing the round copper sheets and the round aluminum sheets through friction welding to form a copper-aluminum stacked piece. Because the welding quality of friction welding is stable, the stability of the round aluminum sheet and the round copper sheet is improved. In addition, the cost of friction welding is lower, so that the production cost of the round copper-aluminum composite part is reduced.
In one embodiment, after the step of ring-cutting the edges of the semi-finished product to form a round copper-aluminum composite, the round copper-aluminum composite production method further comprises the steps of: and performing edging operation on the edge of the round copper-aluminum composite part. It can be appreciated that, since the circular copper-aluminum composite is separated from the scrap by circular cutting, the edge of the circular copper-aluminum composite is inevitably subject to burrs, and for this reason, in the present embodiment, the edge grinding operation is performed on the edge of the circular copper-aluminum composite to remove the burrs of the circular copper-aluminum composite. In one embodiment, the edges of the round copper aluminum composite are polished by a polisher.
The application also provides a round copper-aluminum composite part stamping device, which is manufactured by adopting the round copper-aluminum composite part production method of any embodiment, and comprises a stamping device and a circular cutting device, wherein the stamping device is used for pressing the edge of the copper-aluminum stacked part, which is away from the die assembly, into an upper step and a lower step so as to form a semi-finished product, the circular cutting device is used for circular cutting the edge of the semi-finished product so as to form a round copper-aluminum composite part, and the boundary line between the round copper sheet and the round aluminum sheet is positioned outside the forming die 112 of the forming stamping device 100.
According to the round copper-aluminum composite part stamping equipment, as the boundary line between the round copper sheet and the round aluminum sheet is positioned outside the forming die 112 of the forming stamping device 100, when the copper-aluminum stacked part is stamped, both the copper material and the aluminum material can extend towards the outside of the forming die 112, namely, both the copper material and the aluminum material can extend towards the respective outer sides, so that the problem that the copper material extends towards the aluminum material is avoided, the problem that the aluminum material extends towards the copper-aluminum material is avoided, the problem that the boundary line between the copper material and the aluminum material is bent is avoided, and the service performance of the round copper-aluminum composite part is improved.
As illustrated in fig. 2-4, in one embodiment, the stamping mechanism includes a forming stamping device 100, the forming stamping device 100 including a forming die 112 assembly 110 and a forming die assembly 120. The molding die 112 assembly 110 comprises a molding lower die holder 111, a molding die 112 and a molding top and bottom piece 113, the molding die 112 is connected to the molding lower die holder 111, the molding die 112 is provided with a molding lower die hole 1121, and the molding top and bottom piece 113 is arranged in the molding lower die hole 1121 in a penetrating manner, so that the molding top and bottom piece 113 and the molding lower die hole 1121 form a molding lower die cavity, the molding lower die cavity is used for accommodating the round aluminum sheet, and the round aluminum sheet extends out of the molding lower die cavity. Further, the forming die assembly 120 includes a forming die holder 121 and a forming die 122, the forming die 122 being connected to the forming die holder 121. The molding press 122 moves relative to the molding die 112, the molding press 122 is provided with a molding die hole 1221, and a molding portion 1222 is provided at an edge of the molding press 122 adjacent to the molding die 112.
In this embodiment, the forming top and bottom member 113 and the forming lower die hole 1121 form a forming lower die cavity, the copper-aluminum stacked member is placed in the forming lower die cavity, the circular copper sheet is located outside the forming lower die cavity, a part of the circular aluminum sheet is located outside the forming lower die cavity, and another part of the circular aluminum sheet is placed in the forming lower die cavity, and the forming die 112 assembly 110 and the forming die 122 are movable relative to the forming die 112, so that the forming die punches the copper-aluminum stacked member into a semi-finished product.
As shown in fig. 3 and 4, in one embodiment, the forming die assembly 120 further includes a forming upper die post 123, the forming upper die post 123 is disposed through the forming die hole 1221, one end of the forming upper die post 123 is elastically connected to the forming die holder 121, and the other end of the forming upper die post 123 extends out of the forming die 122.
In this embodiment, when the forming die assembly 120 punches a copper-aluminum stacked member, the forming upper die jack 123 is first abutted against the copper-aluminum stacked member, and as the forming die assembly 120 is further pushed down, the forming upper die jack 123 is completely retracted into the forming die hole 1221, and then the forming press 122 punches the copper-aluminum stacked member. After the forming press die 122 is stamped, the forming press die moves away from the forming female die 112, and at this time, the forming upper die ejector 123 elastically abuts against the formed semi-finished product, so that the semi-finished product is prevented from adhering to the forming press die 122.
Further, the forming die assembly 120 further includes an upper forming die elastic member disposed in the forming die holder 121 and connected to one end of the upper forming die post 123, so that the upper forming die post 123 is elastically connected to the forming die holder 121, and the upper forming die post 123 can be retracted into the forming die hole 1221 when the forming die 122 punches the copper-aluminum stack, and meanwhile, the upper forming die post 123 can push the semi-finished product after the forming die 122 completes the punching, so as to prevent the semi-finished product from adhering to the forming die 122.
As shown in fig. 2 and 3, in one embodiment, the forming die assembly 120 further includes a forming guide post 124, the forming guide post 124 being connected to the forming die holder 121; the molding die 112 is provided with a molding guiding hole 1122, and the molding guiding column is slidably connected to the molding guiding hole 1122. In the present embodiment, when the forming die assembly 120 punches the copper-aluminum stacked member, the forming guide posts 124 are slidably connected to the forming guide holes 1122, so that the movement accuracy of the forming die assembly 120 is improved, and the punching accuracy of the forming press 122 is improved.
As shown in fig. 3, in one embodiment, a portion of the molded guide post 124 slidably connected to the molded guide hole 1122 is provided with a molded guide elastic band 125, and the molded guide elastic band 125 abuts against an inner wall of the molded guide hole 1122. In this embodiment, since the molded guiding elastic band 125 is elastically abutted against the inner wall of the molded guiding hole 1122, the impact of the molded guiding post 124 on the inner wall of the molded guiding hole 1122 is relieved by the molded guiding elastic band 125, so that the molded guiding post 124 is prevented from wearing the inner wall of the molded guiding hole 1122, and the guiding precision of the molded guiding post 124 is improved.
In one embodiment, the end of the shaped guide post 124 adjacent to the shaped guide hole 1122 is provided with a guide circular arc surface, so that the shaped guide post 124 enters the shaped guide hole 1122 in a smaller size, thereby improving the accuracy of the shaped guide post 124 entering the shaped guide hole 1122 and ensuring the guiding function of the shaped guide post 124.
In one embodiment, the press working mechanism includes a chamfer press device including a chamfer die assembly and a chamfer die assembly. The chamfering die assembly comprises a chamfering die seat, a chamfering die and a chamfering top and bottom piece, wherein the chamfering die is connected to the chamfering die seat, a chamfering lower die hole is formed in the chamfering die seat, the chamfering top and bottom piece is arranged in the chamfering lower die hole in a penetrating mode, so that the chamfering top and bottom piece and the chamfering lower die hole form a chamfering lower die cavity, the chamfering lower die cavity is used for accommodating the round aluminum sheet, and the round aluminum sheet extends out of the chamfering lower die cavity. Further, the chamfer die assembly comprises a chamfer die holder and a chamfer die, wherein the chamfer die holder is connected with the chamfer die holder. The chamfering die moves relative to the chamfering die, a chamfering die hole is formed in the chamfering die, and a chamfer is arranged on the edge, adjacent to the chamfering die, of the chamfering die.
In this embodiment, the chamfer top bottom piece and the chamfer lower die hole form a chamfer lower die cavity, the copper-aluminum stacked piece is placed in the chamfer lower die cavity, the round copper sheet is located outside the chamfer lower die cavity, a part of the round aluminum sheet is located outside the chamfer lower die cavity, another part of the round aluminum sheet is placed in the chamfer lower die cavity, the chamfer die assembly and the chamfer die move relative to the chamfer die, and the edge of the copper-aluminum stacked piece, which is away from the die assembly, is pressed into a chamfer.
In this embodiment, the copper-aluminum stacked member is first stamped by a chamfering stamping device to press the edge of the copper-aluminum stacked member facing away from the die assembly into a chamfer, and then stamped by a forming stamping device 100 to press the top of the copper-aluminum stacked member into an upper step and a lower step, thereby forming a semi-finished product. The upper edge of the copper-aluminum stacked piece is punched into the chamfer, so that the deformation amount is small when the top of the copper-aluminum stacked piece is pressed into an upper step and a lower step, the stress concentration of a finished product is reduced, the elastic recovery of the finished product is reduced, and the dimensional accuracy of the finished product is improved.
In one embodiment, the chamfer die assembly further comprises a chamfer upper die prop, the chamfer upper die prop is arranged in the chamfer die hole in a penetrating mode, one end of the chamfer upper die prop is elastically connected with the chamfer die holder, and the other end of the chamfer upper die prop extends out of the chamfer die.
In this embodiment, when the chamfering die assembly punches the copper-aluminum stacked member, the chamfering upper die jack post is first abutted against the copper-aluminum stacked member, and as the chamfering die assembly continues to press down, the chamfering upper die jack post is completely retracted into the chamfering die hole, and then the chamfering die punches the copper-aluminum stacked member. After the chamfering press die is stamped, the chamfering press die moves in a direction away from the chamfering female die, and at the moment, the chamfering upper die jacking column is elastically abutted with the chamfered semi-finished product, so that the semi-finished product is prevented from being adhered to the chamfering press die.
Further, the chamfering die assembly further comprises a chamfering upper die elastic piece, the chamfering upper die elastic piece is arranged in the chamfering die base and is connected with one end of the chamfering upper die prop, the chamfering upper die prop is elastically connected with the chamfering die base, the chamfering upper die prop can retract into the chamfering die hole when the chamfering die punches the copper-aluminum stacked piece, and meanwhile, the chamfering upper die prop can push a semi-finished product after the chamfering die is punched, so that the pressed surface of the copper-aluminum stacked piece is prevented from being adhered to the chamfering die.
In one embodiment, the chamfer die assembly further comprises a chamfer guide post connected to the chamfer die holder; the chamfering die is provided with a chamfering guide hole, and the forming guide column is connected with the chamfering guide hole in a sliding mode. In this embodiment, when the chamfer die assembly punches the copper-aluminum stacked member, the chamfer guide post is slidably connected to the chamfer guide hole, and thus the movement accuracy of the chamfer die assembly is improved, and further the punching accuracy of the chamfer die is improved.
In one embodiment, the chamfer guiding post is slidably connected to the part of the chamfer guiding hole and is provided with an elastic belt in a surrounding manner, and the elastic belt is abutted with the inner wall of the chamfer guiding hole. In this embodiment, because the elastic band is in elastic butt with the inner wall of chamfer guiding hole for the impact of chamfer guiding column to the inner wall of chamfer guiding hole has been alleviated to the elastic band, and then has avoided the inner wall of chamfer guiding hole of chamfer guiding column wearing and tearing, and then has improved the direction precision of chamfer guiding column.
In one embodiment, one end of the chamfer guide post adjacent to the chamfer guide hole is provided with a guide arc surface, so that the chamfer guide post enters the chamfer guide hole in a smaller size, the accuracy of entering the chamfer guide hole by the chamfer guide post is improved, and the effect of guiding by the chamfer guide post is ensured.
In one embodiment, the stamping mechanism comprises a circular arc stamping device comprising a circular arc die assembly and a circular arc die assembly. The circular arc die assembly comprises a circular arc lower die holder, a circular arc die and a circular arc top and bottom piece, wherein the circular arc die is connected with the circular arc lower die holder, a circular arc lower die hole is formed in the circular arc die, the circular arc top and bottom piece is arranged in the circular arc lower die hole in a penetrating mode, so that the circular arc top and bottom piece and the circular arc lower die hole form a circular arc lower die cavity, the circular arc lower die cavity is used for accommodating the circular aluminum sheet, and the circular aluminum sheet extends out of the circular arc lower die cavity. Further, the circular arc die assembly comprises a circular arc die holder and a circular arc pressing die, and the circular arc pressing die is connected with the circular arc die holder. The circular arc pressing die moves relative to the circular arc concave die, a circular arc punching hole is formed in the circular arc pressing die, and a circular arc is arranged at the edge, adjacent to the circular arc concave die, of the circular arc pressing die.
In this embodiment, the arc top bottom piece and the arc lower die hole form an arc lower die cavity, the copper-aluminum stacked piece is placed in the arc lower die cavity, the circular copper sheet is located outside the arc lower die cavity, a part of the circular aluminum sheet is located outside the arc lower die cavity, another part of the circular aluminum sheet is placed in the arc lower die cavity, the arc die assembly and the arc die move relative to the arc die, and the edge of the copper-aluminum stacked piece, which is away from the die assembly, is pressed into an arc.
In this embodiment, the copper-aluminum stacked member is punched by the chamfering and punching device to press the edges of the copper-aluminum stacked member facing away from the die assembly into chamfers, then the copper-aluminum stacked member is punched by the arc punching device to make the chamfers become arc surfaces, and then the forming and punching device 100 is used to punch the top of the copper-aluminum stacked member into an upper step and a lower step, so as to form a semi-finished product. Because the edge of the copper-aluminum stacked piece is punched into the chamfer, and then the chamfer is punched into the arc, the deformation amount of the arc surface of the upper edge of the copper-aluminum stacked piece is smaller, the stress concentration of the copper-aluminum stacked piece is reduced, the elastic recovery of a finished product is reduced, and the dimensional accuracy of the finished product is improved.
In one embodiment, the circular arc die assembly further comprises a circular arc upper die jack post, the circular arc upper die jack post is arranged in the circular arc die hole in a penetrating mode, one end of the circular arc upper die jack post is elastically connected with the circular arc die holder, and the other end of the circular arc upper die jack post extends out of the circular arc die.
In this embodiment, when the arc-shaped die assembly punches the copper-aluminum stacked member, the arc-shaped upper die jack post is first abutted against the copper-aluminum stacked member, and as the arc-shaped die assembly continues to be pressed down, the arc-shaped upper die jack post is completely retracted into the arc-shaped die hole, and then the arc-shaped die punches the copper-aluminum stacked member. After the stamping is finished, the arc pressing die moves in a direction away from the arc concave die, and at the moment, the arc upper die jacking column is elastically abutted with the semi-finished product after the arc, so that the problem that the copper-aluminum stacked piece is adhered to the arc pressing die is avoided.
Further, the arc die assembly further comprises an arc upper die elastic piece which is arranged in the arc die holder and connected with one end of the arc upper die prop, so that the arc upper die prop is elastically connected with the arc die holder, the arc upper die prop can retract into the arc die hole when the arc die punches the copper-aluminum stacked piece, and meanwhile, the arc upper die prop can push a semi-finished product after the arc die is punched, so that the copper-aluminum stacked piece is prevented from being adhered to the arc die.
In one embodiment, the circular arc die assembly further comprises a circular arc guide post connected to the circular arc die holder; the circular arc female die is provided with a circular arc guide hole, and the forming guide column is connected with the circular arc guide hole in a sliding manner. In this embodiment, when the arc die assembly punches the copper-aluminum stacked member, the arc guide post is slidably connected to the arc guide hole, so that the movement precision of the arc die assembly is improved, and the punching precision of the arc die is further improved.
In one embodiment, the arc guide post is slidably connected to the portion of the arc guide hole and is provided with an elastic belt in a surrounding manner, and the elastic belt is abutted to the inner wall of the arc guide hole. In this embodiment, because the elastic band is in elastic abutment with the inner wall of the circular arc guide hole, the impact of the circular arc guide post to the inner wall of the circular arc guide hole is relieved by the elastic band, and then the inner wall of the circular arc guide hole is prevented from being worn by the circular arc guide post, and then the guiding precision of the circular arc guide post is improved.
In one embodiment, the arc guide post is provided with a guide arc surface at one end adjacent to the arc guide hole, so that the arc guide post enters the arc guide hole in a smaller size, the accuracy of entering the arc guide hole by the arc guide post is improved, and the arc guide post is ensured to play a guiding role.
In one embodiment, the press working mechanism comprises a pre-press stamping device comprising a pre-press die assembly and a pre-press die assembly. The pre-pressing die assembly comprises a pre-pressing die holder, a pre-pressing die and a pre-pressing top bottom piece, wherein the pre-pressing die is connected to the pre-pressing die holder, a pre-pressing die hole is formed in the pre-pressing die holder, the pre-pressing top bottom piece is arranged in the pre-pressing die hole in a penetrating mode, the pre-pressing top bottom piece and the pre-pressing die hole form a pre-pressing die cavity, the pre-pressing die cavity is used for accommodating the round aluminum sheet, and the round aluminum sheet extends out of the pre-pressing die cavity. Further, the pre-pressing die assembly comprises a pre-pressing die seat and a pre-pressing die, and the pre-pressing die is connected with the pre-pressing die seat. The pre-pressing die moves relative to the pre-pressing die, a pre-pressing die hole is formed in the pre-pressing die, and a first step and a second step which are sequentially connected along the punching direction are arranged at the opening part of the pre-pressing die, which is adjacent to the pre-pressing die.
In this embodiment, the pre-pressing top bottom piece and the pre-pressing lower die hole form a pre-pressing lower die cavity, the copper-aluminum stacked piece is placed in the pre-pressing lower die cavity, the round copper sheet is located outside the pre-pressing lower die cavity, a part of the round aluminum sheet is located outside the pre-pressing lower die cavity, another part of the round aluminum sheet is placed in the pre-pressing lower die cavity, the pre-pressing die assembly and the pre-pressing die move relative to the pre-pressing die, and the edge of the copper-aluminum stacked piece, which is away from the die assembly, is pressed into pre-pressing.
In this embodiment, the copper-aluminum stacked member is punched by the chamfering and punching device to press the edges of the copper-aluminum stacked member facing away from the die assembly into chamfers, then the copper-aluminum stacked member is punched by the arc punching device to make the chamfers become arc surfaces, then the copper-aluminum stacked member is punched by the pre-pressing and punching device to make the top of the copper-aluminum stacked member have pre-pressing steps, and then the top of the copper-aluminum stacked member is pressed by the forming and punching device 100 to form semi-finished products. Because the upper edge of the copper-aluminum stacked piece is pressed into the chamfer, the arc surface, the pre-pressing step, the first step and the second step in sequence, namely, the finished product is moved by stamping with small deformation for a plurality of times, the elastic recovery of the finished product is reduced, and the dimensional accuracy of the finished product is improved.
In one embodiment, the pre-pressing die assembly further comprises a pre-pressing upper die jack post, the pre-pressing upper die jack post is arranged in the pre-pressing die hole in a penetrating mode, one end of the pre-pressing upper die jack post is elastically connected with the pre-pressing die holder, and the other end of the pre-pressing upper die jack post extends out of the pre-pressing die.
In this embodiment, when the pre-pressing die assembly punches the copper-aluminum stacked member, the pre-pressing upper die jack post is first abutted against the copper-aluminum stacked member, and as the pre-pressing die assembly continues to press down, the pre-pressing upper die jack post is completely retracted into the pre-pressing die hole, and then the pre-pressing die punches the copper-aluminum stacked member. After the pre-pressing die is stamped, the pre-pressing die moves in a direction away from the pre-pressing die, and at the moment, the pre-pressing die ejection column is elastically abutted with the pre-pressed semi-finished product, so that the semi-finished product is prevented from being adhered to the pre-pressing die.
Further, the pre-pressing die assembly further comprises a pre-pressing die elastic piece, the pre-pressing die elastic piece is arranged in the pre-pressing die seat and is connected with one end of the pre-pressing die jacking column, the pre-pressing die jacking column is elastically connected with the pre-pressing die seat, the pre-pressing die jacking column can be retracted into the pre-pressing die hole when the pre-pressing die punches the copper-aluminum stacked piece, and meanwhile the pre-pressing die jacking column can push a semi-finished product after the pre-pressing die is punched, so that the semi-finished product is prevented from being adhered to the pre-pressing die.
In one embodiment, the pre-compression die assembly further comprises a pre-compression guide post connected to the pre-compression die holder; the pre-pressing die is provided with a pre-pressing guide hole, and the forming guide column is connected with the pre-pressing guide hole in a sliding mode. In this embodiment, when the pre-compaction die assembly punches copper aluminium stack, pre-compaction guide post sliding connection in pre-compaction guiding hole, and then improved the motion precision of pre-compaction die assembly, and then improved the punching precision of pre-compaction moulding-die.
In one embodiment, the portion of the pre-pressing guide post slidably connected to the pre-pressing guide hole is provided with an elastic belt in a surrounding manner, and the elastic belt is abutted to the inner wall of the pre-pressing guide hole. In this embodiment, because the elastic band is in elastic butt with the inner wall of pre-compaction guiding hole for the impact of pre-compaction guiding column to the inner wall of pre-compaction guiding hole has been alleviated to the elastic band, and then has avoided the inner wall of pre-compaction guiding hole of pre-compaction guiding column wearing and tearing, and then has improved the direction precision of pre-compaction guiding column.
In one embodiment, the prepressing guide post is provided with a guide prepressing surface adjacent to one end of the prepressing guide hole, so that the prepressing guide post enters the prepressing guide hole in a smaller size, the accuracy of entering the prepressing guide hole by the prepressing guide post is improved, and the prepressing guide post is ensured to play a guiding role.
Compared with the prior art, the invention has at least the following advantages:
According to the production method of the round copper-aluminum composite part, the copper-aluminum stacked part is placed on the die assembly, the round aluminum sheet is in contact with the die assembly, and part of the round aluminum sheet protrudes out of the die assembly, namely, after the copper-aluminum stacked part is placed on the die assembly, part of the round aluminum sheet is located in the die assembly, and the other part of the round aluminum sheet and the round copper sheet are located outside the die assembly, namely, the junction of the round aluminum sheet and the round copper sheet is located outside the die assembly. Because the juncture of circular aluminum sheet and circular copper sheet is located outside the die subassembly for copper aluminum stacks the piece when receiving the punching press, copper material and aluminum product homoenergetic towards respective outside extension, and then avoided the problem that copper material extended to the aluminum product, also avoided the aluminum product to the problem that copper aluminum extended simultaneously, and then avoided copper material and aluminum product's boundary line to appear crooked problem, and then improved circular copper aluminum composite's performance.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The production method of the round copper-aluminum composite part is characterized by comprising the following steps of:
overlapping and pre-fixing the round copper sheet and the round aluminum sheet to form a copper-aluminum stacked piece;
Placing the copper-aluminum stacked piece on a die assembly, wherein the round aluminum sheet is in contact with the die assembly, one part of the round aluminum sheet is positioned in the die assembly, and the other part of the round aluminum sheet and the round copper sheet are positioned outside the die assembly, so that the junction of the round aluminum sheet and the round copper sheet is positioned outside the die assembly;
pressing the edges of the copper-aluminum stacked piece, which deviate from the die assembly, into chamfers;
Thinning the part of the copper-aluminum stacked part with the chamfer so as to change the chamfer into an arc surface;
Pressing the top of the copper-aluminum stack into an upper step and a lower step to form a semi-finished product;
And (3) ring cutting the edge of the semi-finished product to form a round copper-aluminum composite part.
2. The method for producing a round copper-aluminum composite according to claim 1, wherein after the step of thinning the portion of the copper-aluminum laminate having the chamfer so as to make the chamfer into an arc surface, and before the step of pressing the top of the copper-aluminum laminate into an upper step and a lower step so as to form a semi-finished product, the method for producing a round copper-aluminum composite further comprises the steps of:
And prepressing the part of the copper-aluminum laminated piece with the arc surface so that the top of the copper-aluminum laminated piece is provided with a prepressing step.
3. The method of producing a round copper aluminum composite according to claim 1, wherein the step of overlapping and pre-fixing the round copper sheet and the round aluminum sheet to form the copper aluminum laminate is specifically: and pre-fixing the round copper sheets and the round aluminum sheets through friction welding to form a copper-aluminum stacked piece.
4. The method of producing a round copper aluminum composite according to claim 1, wherein after the step of ring-cutting the edge of the semi-finished product to form a round copper aluminum composite, the method of producing a round copper aluminum composite further comprises the steps of: and performing edging operation on the edge of the round copper-aluminum composite part.
5. A round copper-aluminum composite stamping apparatus, characterized in that the round copper-aluminum composite is manufactured using the round copper-aluminum composite production method as defined in any one of claims 1 to 4, comprising:
The stamping device is used for pressing the edge of the copper-aluminum stacked piece, which deviates from the die assembly, into an upper step and a lower step so as to form a semi-finished product; and
The ring cutting device is used for ring cutting the edge of the semi-finished product to form a circular copper-aluminum composite part;
Wherein, stamping processing mechanism includes shaping stamping device, shaping stamping device includes:
The die assembly comprises a molding die holder lower die holder, a molding die and a molding top and bottom piece, the molding die is connected to the molding die holder lower die holder, a molding lower die hole is formed in the molding die, the molding top and bottom piece penetrates through the molding lower die hole, so that the molding top and bottom piece and the molding lower die hole form a molding lower die cavity, one part of the round aluminum sheet is positioned in the molding lower die cavity, the other part of the round aluminum sheet and the round copper sheet are positioned outside the molding lower die cavity, and the junction of the round aluminum sheet and the round copper sheet is positioned outside the die assembly; and
The molding die assembly comprises a molding die holder and a molding press die, and the molding press die is connected with the molding die holder; the molding press die moves relative to the molding female die, a molding press die hole is formed in the molding press die, and a molding part is arranged at the edge, adjacent to the molding female die, of the molding press die.
6. The apparatus of claim 5, wherein the forming die assembly further comprises a forming upper die post, the forming upper die post is disposed through the forming die hole and the forming die, one end of the forming upper die post is elastically connected to the forming die holder, and the other end of the forming upper die post extends out of the forming die.
7. The apparatus of claim 6, wherein the forming die assembly further comprises a forming upper die spring disposed within the forming die holder and connected to one end of a forming upper die post.
8. The round copper aluminum composite stamping apparatus as recited in claim 7, wherein the forming die assembly further comprises a forming guide post connected to the forming die holder; the forming die is provided with a forming guide hole, and the forming guide column is connected with the forming guide hole in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276291.3A CN113926899B (en) | 2021-10-29 | 2021-10-29 | Method for producing round copper-aluminum composite part and stamping equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276291.3A CN113926899B (en) | 2021-10-29 | 2021-10-29 | Method for producing round copper-aluminum composite part and stamping equipment thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113926899A CN113926899A (en) | 2022-01-14 |
| CN113926899B true CN113926899B (en) | 2024-09-20 |
Family
ID=79284976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111276291.3A Active CN113926899B (en) | 2021-10-29 | 2021-10-29 | Method for producing round copper-aluminum composite part and stamping equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113926899B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115592353A (en) * | 2022-09-09 | 2023-01-13 | 长沙成事科技有限公司（Cn） | A copper-aluminum composite pole processing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217889178U (en) * | 2021-10-29 | 2022-11-25 | 惠州市鑫盛达精密部件有限公司 | Circular copper-aluminum composite part stamping equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9716253B2 (en) * | 2012-03-23 | 2017-07-25 | Lg Chem, Ltd. | Battery case for secondary battery |
| CN106311913A (en) * | 2016-08-22 | 2017-01-11 | 亿和精密工业（中山）有限公司 | Hardware riveting process |
| CN107369806B (en) * | 2017-07-11 | 2020-06-12 | 浙江波恩电源制造有限公司 | Copper-aluminum composite pole and processing technology thereof |
| EP3485994B1 (en) * | 2017-11-21 | 2022-07-27 | H & T Marsberg GmbH & Co. KG | Method of forming a metal container |
| CN109616607B (en) * | 2018-12-14 | 2021-10-01 | 常州瑞德丰精密技术有限公司 | Forming method of copper-aluminum composite pole |
| CN110523844B (en) * | 2019-09-05 | 2020-09-01 | 成都宏明双新科技股份有限公司 | Progressive die stamping method for tubular thin-wall part |
| CN111146369B (en) * | 2019-12-03 | 2023-07-14 | 曙鹏科技（深圳）有限公司 | Battery shell punching mechanism and battery manufacturing method |
-
2021
- 2021-10-29 CN CN202111276291.3A patent/CN113926899B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217889178U (en) * | 2021-10-29 | 2022-11-25 | 惠州市鑫盛达精密部件有限公司 | Circular copper-aluminum composite part stamping equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113926899A (en) | 2022-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104338851A (en) | Stamping die for once forming of hole flanging and riveting | |
| CN113926899B (en) | Method for producing round copper-aluminum composite part and stamping equipment thereof | |
| CN115026199A (en) | Forming die device is used in car door production | |
| CN217889178U (en) | Circular copper-aluminum composite part stamping equipment | |
| CN110586760A (en) | Hydraulic compound die for fastener with inwards-oblique bent edge | |
| JPH0375247B2 (en) | ||
| CN205629097U (en) | Reverse tensile lid upgrades mould | |
| CN209902035U (en) | Punching and blanking device for automobile sheet metal part | |
| CN210966624U (en) | Punching, half-cutting and forming device for automobile safety airbag gas filter screen | |
| CN109365642B (en) | Stamping side flanging die | |
| CN112705614B (en) | Stack riveting die for motor stator punching sheet | |
| CN216655927U (en) | Novel bending structure | |
| CN206343499U (en) | Arrangements for automotive doors guide rail notch stamping mould | |
| CN214977125U (en) | Forming and punching composite die | |
| CN214053346U (en) | Processing frock of stator punching | |
| CN213440063U (en) | Mechanism punches a hole to inside outside | |
| CN210999091U (en) | Trimming and finishing jig | |
| CN109226461B (en) | Close-range punching die and method for quality ring | |
| CN222242236U (en) | Rebound prevention shaping device | |
| CN108273925B (en) | Iron core stacking and riveting device with groove-shaped waste material as buckling point and operation method | |
| CN216542379U (en) | Side hole chamfering device | |
| CN217412110U (en) | Punching die and punching device | |
| CN102500685A (en) | Miniature reinforcer trimming die for back-door limiter of coach | |
| CN217343155U (en) | Flanging, shaping and trimming composite die mechanism | |
| CN216729139U (en) | Bearing seat stamping composite die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |