CN115570091B - Polar column cold heading forming die, forming equipment and preparation method - Google Patents
Polar column cold heading forming die, forming equipment and preparation method Download PDFInfo
- Publication number
- CN115570091B CN115570091B CN202211168568.5A CN202211168568A CN115570091B CN 115570091 B CN115570091 B CN 115570091B CN 202211168568 A CN202211168568 A CN 202211168568A CN 115570091 B CN115570091 B CN 115570091B
- Authority
- CN
- China
- Prior art keywords
- cold
- base
- heading
- pole
- groove
- 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
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 67
- 238000003825 pressing Methods 0.000 claims abstract description 56
- 238000000465 moulding Methods 0.000 claims abstract description 46
- 238000012545 processing Methods 0.000 claims abstract description 41
- 238000010273 cold forging Methods 0.000 claims abstract description 20
- 238000003754 machining Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 34
- 230000000149 penetrating effect Effects 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000033001 locomotion Effects 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000012778 molding material Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 238000007493 shaping process Methods 0.000 description 9
- 230000002349 favourable effect Effects 0.000 description 7
- 238000000748 compression moulding Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007723 die pressing method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003913 materials processing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Forging (AREA)
Abstract
The application provides a utmost point post cold-heading forming die, former and preparation method, utmost point post cold-heading forming die includes cold-heading base and cold-heading platform. The cold heading base is provided with a base groove for accommodating molding raw materials of the polar column; the cold heading table and the cold heading base are oppositely arranged in a first direction and can move relative to the cold heading base; the cold upsetting press is provided with a press table groove which is opposite to the base groove in a first direction; when the cold forging platform moves along the first direction towards the position close to the cold forging base, the cold forging platform and the cold forging base extrude the molding raw materials of the polar column; when the cold upsetting table is abutted against the cold upsetting base, the molding raw materials of the polar column are extruded into a shape formed by encircling the base groove and the pressing table groove; the first direction is the machining direction of the pole cold heading forming die. The application provides a post cold heading forming die, former and preparation method can improve the processing speed of battery post and be convenient for the operator to accomplish the processing.
Description
Technical Field
The application belongs to the technical field of cold heading dies, and particularly relates to a pole cold heading forming die, forming equipment and a preparation method.
Background
Current poles in the battery industry are machined by Computer Numerical Control (CNC) machines. The existing battery post that processes through CNC, because CNC processing operation needs professional personnel to go on, the requirement to operating personnel is higher. Moreover, the CNC processing process for processing the battery pole is long, and the processing speed of the battery pole is directly influenced.
Disclosure of Invention
To the defect that prior art exists, this application provides a post cold heading forming die, former and preparation method that can improve the processing speed of battery post and be convenient for the operator to accomplish processing.
In one aspect, the present application provides a post cold heading forming die for extrusion processing battery post's shaping raw materials, include:
the cold heading base is provided with a base groove for accommodating the molding raw materials of the polar column; and
the cold heading table is arranged opposite to the cold heading base in the first direction and can move relative to the cold heading base; the cold heading bench is provided with a bench groove which is opposite to the base groove in the first direction;
when the cold heading table moves along a first direction towards a position close to the cold heading base, the cold heading table and the cold heading base extrude forming raw materials of the pole; when the cold heading table is abutted against the cold heading base, the molding raw materials of the polar column are extruded into a shape formed by encircling the base groove and the pressing table groove; the first direction is the machining direction of the pole cold heading forming die.
According to the pole cold-heading forming die, on one hand, through the cooperation of the cold-heading base and the cold-heading pressing table, when the forming raw materials of the pole are arranged in the base groove, an operator only needs to control the cold-heading pressing table to move towards the cold-heading base along the first direction and prop against the cold-heading base, the base groove and the pressing table groove can be used for carrying out die pressing operation on the forming raw materials of the pole, the process is simple in operation, the pole can be machined without the need of being equipped with professionals, and the processing difficulty of pole forming is reduced; on the other hand, compared with the traditional method for processing and forming the polar column by utilizing the numerical control machine tool, the molding raw material of the polar column is subjected to compression molding operation by the polar column cold heading molding die, so that the processing procedure of the polar column is shorter, and the processing speed of the polar column is improved.
In one possible embodiment, the base recess is a cylindrical recess and the platen recess is a cylindrical recess; the axial lead of the base groove and the axial lead of the pressing table groove are arranged in a collinear manner in the first direction, and the size of the base groove along the second direction is larger than that of the pressing table groove along the second direction; wherein the second direction is different from the first direction.
According to the pole cold heading forming die, the radial dimension of the base groove is larger than that of the pressing table groove, when the cold heading table moves along the first direction towards the position close to the cold heading base and is propped against the cold heading base, the forming raw materials of the pole are extruded into a stepped structure due to the fact that the axial lead of the base groove and the axial lead of the pressing table groove are arranged in a collinear mode in the first direction.
In one possible embodiment, the radial dimension of the end of the cold header close to the cold header base is greater than the opening dimension of the base groove close to the cold header base, so that the orthographic projection of the opening of the base groove on the cold header is completely located in the end face of the side of the cold header close to the cold header base.
The terminal cold-heading forming die who provides through the base recess be close to the opening of cold-heading platform is located the terminal surface that the cold-heading bench is close to one side of cold-heading base completely in the cold-heading bench, along the first direction orientation when the cold-heading bench is close to the cold-heading base and removes and support the in-process of holding with the cold-heading base, because the one end that the cold-heading bench is close to the cold-heading base covers the base recess completely and is close to the open-ended week edge of cold-heading bench, can prevent that the shaping raw materials of terminal from spilling over between pressing platform recess and base recess by extruded in-process, be favorable to improving the quality of terminal cold-heading forming die processing terminal.
In one possible embodiment, the pressing table groove is provided with a polarity mark on the groove bottom far away from the cold heading base, and the polarity mark is convexly arranged on the groove bottom far away from the cold heading base.
According to the pole cold heading forming die, the polarity marks are arranged on the groove bottom of the pressing table groove far away from the cold heading base, so that the marks are formed after the forming raw materials of the pole are extruded, and the polarity of the pole is distinguished conveniently in the assembled battery; and the polarity mark is convexly arranged at the bottom of the pressing table groove far away from the cold heading base, so that a concave mark is formed after the molding raw materials of the pole column are extruded, the space of the pole column occupying the battery along the first direction can be reduced, and the miniaturization development of the pole column after extrusion is facilitated.
In one possible embodiment, the cold header includes a first portion and a second portion detachably connected, the header groove is provided on the first portion, and the first portion has a stepped hole in communication with a bottom wall of the header groove; the second part comprises a penetrating part and a supporting part; the penetrating part can extend into the pressing table groove from one end of the pressing table groove, which is close to the cold heading base, and can penetrate out of the first part from the step hole along the first direction; the abutting part and at least part of the penetrating part are accommodated in the step hole, and the end face of the abutting part, which is close to one end of the cold heading base, and the bottom wall of the pressing table groove are located in the same plane.
According to the pole cold-heading forming die, the cold-heading pressing table is arranged to be the first part and the second part in a detachable mode, after extrusion of forming raw materials of the pole is completed by the pole cold-heading forming die, the first part is detached from one end, close to the cold-heading base, of the second part to one end, far away from the cold-heading bottom wall, of the second part along the first direction, and at the moment, the formed pole can be abutted in the base groove by the abutting part of the second part, so that the pole can be conveniently opened after machining is finished, and the die opening efficiency of the pole cold-heading forming die is improved; moreover, through the setting of step hole, when the shaping raw materials in-process of utmost point post cold heading forming die extrusion utmost point post, the portion of supporting can not produce the displacement for the second part, is favorable to improving the processingquality of utmost point post.
In one possible implementation manner, the step hole is disposed at the center of the bottom wall of the pressing table groove and is coaxially disposed with the pressing table groove, a polarity mark is disposed on an end face of the abutting portion away from one end of the penetrating portion, and the polarity mark is convexly disposed on the end face of the abutting portion away from one end of the penetrating portion.
According to the pole cold heading forming die provided by the embodiment of the application, the step hole is formed in the center of the bottom wall of the pressing table groove and is coaxially arranged with the pressing table groove, when the first part is disassembled from one end, close to the cold heading base, of the second part to one end, far away from the cold heading bottom wall, of the second part along the first direction, the abutting part abuts against the center of the machined pole, and the phenomenon that the machined pole is deformed due to uneven stress during die opening can be avoided; in addition, the polar mark is arranged on the end face of one end, far away from the penetrating part, of the abutting part, so that the mark formed after the molding raw material of the pole is extruded is positioned at the center of the pole, and the attractiveness of the pole can be improved.
In one possible embodiment, the base groove is provided with a texture on the groove bottom facing away from the cold header, the texture being used for contact with the molding material of the pole.
According to the pole cold heading forming die, the texture is arranged on the groove bottom of the base groove far away from the cold heading table, when the forming raw material of the pole is placed in the base groove, the texture is in contact with the forming raw material of the pole, the forming raw material of the pole can be reduced to move in the base groove, the influence of external vibration on the placing position of the forming raw material of the pole in the machining process can be prevented, and then the machining precision of the pole cold heading forming die to the pole can be improved.
In one possible embodiment, the texture is provided in the center of the base groove away from the groove bottom of the cold header.
The post cold-heading forming die that this embodiment provided, set up in the center of the tank bottom of cold-heading platform in base recess through the texture to can stabilize in the center of the tank bottom of cold-heading platform is kept away from to the base recess when making the shaping raw materials of post place in the base recess, be favorable to improving the stability of post cold-heading forming die when processing the shaping raw materials of post, can further improve the machining precision of post cold-heading forming die to the post.
On the other hand, this application still provides a utmost point post cold-heading former, includes:
the pole cold heading forming die;
the output end of the driving device can do reciprocating linear motion along the first direction; and
the transmission piece is connected between the cold heading platform and the output end of the driving device, and is used for transmitting power output by the driving device, so that the driving device drives the cold heading platform to move along the first direction towards being close to or away from the cold heading base.
According to the cold heading forming equipment, through the arrangement of the driving device and the transmission piece, when the driving device drives the cold heading table to move towards the position close to the cold heading base along the first direction through the transmission piece, the cold heading table and the cold heading base move in opposite directions, and then forming raw materials of the polar column are extruded; when the driving device drives the cold heading table to move far away from the cold heading base along a first direction through the transmission piece, the cold heading table and the cold heading base move back to each other, and then the die opening operation of the pole cold heading forming die is realized; the driving device is controlled to do reciprocating rectilinear motion, so that the compression molding and die opening operation of the pole cold heading molding die can be realized, and the difficulty of processing operation of pole molding is reduced.
In one possible implementation manner, the number of the pole cold-heading forming dies is multiple, the multiple cold-heading pressing platforms are connected to the transmission piece, and the multiple pole cold-heading forming dies are arranged in a pair-wise interval along a plane perpendicular to the first direction; when the driving device drives the transmission piece to do reciprocating rectilinear motion along the first direction, the cold heading platforms can move relative to the cold heading base, so that the driving device can control and drive the pole cold heading forming die to process the forming raw materials of the pole.
The cold heading forming equipment provided by the embodiment of the application, through the setting of a plurality of utmost point post cold heading forming die, and the driving medium can be with a plurality of utmost point post cold heading forming die connect in drive arrangement's output to make drive arrangement can control simultaneously and drive a plurality of utmost point post cold heading forming die to the shaping raw materials processing of a plurality of utmost point posts at the in-process of once reciprocating rectilinear motion, be favorable to improving the production machining efficiency of utmost point post.
In still another aspect, the present application further provides a method for preparing a polar column by cold heading, which is applied to the polar column cold heading forming mold, the polar column cold heading preparing method comprises the following steps:
forming the cold heading base;
the cold heading base is provided with the base groove;
forming the cold header, wherein the cold header and the cold header base are arranged opposite to each other in the first direction, and the cold header can move relative to the cold header base along the first direction;
the cold upsetting press is provided with a press table groove which is opposite to the base groove in the first direction;
placing the molding raw materials of the battery pole in the base groove; and
driving the cold heading table to move along the first direction towards the position close to the cold heading base, wherein the cold heading base is matched with the cold heading table to extrude the molding raw materials of the polar column; when the cold heading table is abutted against the cold heading base, the molding raw materials of the polar column are extruded into a shape formed by surrounding the inner wall surface of the base groove and the inner wall surface of the pressing table groove;
the pole cold heading disassembly method comprises the following steps:
when the cold header and the cold header base are propped against each other, the cold header is driven to move along the first direction towards and away from the cold header base;
and taking out the formed pole from the cold upsetting table and the cold upsetting base.
According to the pole cold heading preparation method, through the cooperation of the cold heading base and the cold heading table, when the molding raw materials of the pole are arranged in the base groove, an operator only needs to control the cold heading table to move towards the cold heading base along the first direction and prop against the cold heading base, the base groove and the pressing table groove can be used for carrying out die pressing operation on the molding raw materials of the pole, the process is simple in operation, and the pole can be machined without the need of being equipped with professionals, so that the machining difficulty of pole molding is reduced; on the other hand, compared with the traditional method for processing and forming the polar column by utilizing the numerical control machine tool, the molding raw material of the polar column is subjected to compression molding operation by the polar column cold heading molding die, so that the processing procedure of the polar column is shorter, and the processing speed of the polar column is improved.
In one possible embodiment, when the cold header includes a first portion and a second portion that are detachably connected, the header groove is provided on the first portion, and the first portion has a stepped hole that is in communication with a bottom wall of the header groove; the second part comprises a penetrating part and a supporting part; the penetrating part can extend into the pressing table groove from one end of the pressing table groove, which is close to the cold heading base, and can penetrate out of the first part from the step hole along the first direction; the abutting part and at least part of the penetrating part are accommodated in the step hole, and the end face of one end of the abutting part, which is close to the cold heading base, and the bottom wall of the pressing table groove are positioned in the same plane;
the pole cold heading disassembly method comprises the following steps:
when the cold header and the cold header base are abutted, the first part is driven to move along the first direction towards a direction away from the cold header base, and meanwhile, the second part is abutted against the formed pole along the first direction;
driving the second part to move along the first direction towards a direction away from the cold heading base so as to release the limitation of the second part on the formed pole in the first direction;
and taking out the formed pole from the position between the second part and the cold heading base.
According to the pole cold heading preparation method, the cold heading table is set to be the first part and the second part detachably, after extrusion of molding raw materials of the pole is completed by the pole cold heading molding die, the first part is detached from one end, close to the cold heading base, of the second part to one end, far away from the cold heading base, of the second part along the first direction, and at the moment, the formed pole can be abutted to the base groove by the abutting part of the second part, so that the pole is opened by the pole cold heading molding die after processing is finished, and the die opening efficiency and the die opening quality of the pole cold heading molding die are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some implementations provided by way of example of the present application, and that other drawings may be obtained from these drawings by those of ordinary skill in the art without the inventive effort.
Fig. 1 is a schematic view of a pole cold heading forming apparatus according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of another post cold heading forming apparatus according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a pole cold heading forming mold according to an embodiment of the present disclosure;
FIG. 4 is a schematic cross-sectional view of a cold heading mold for a pole according to an embodiment of the present disclosure;
FIG. 5 is a process diagram of a pole cold heading forming die for machining a pole according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a cold header base according to an embodiment of the present disclosure;
FIG. 7 is a schematic structural diagram of a cold header according to an embodiment of the present disclosure;
fig. 8 is a schematic cross-sectional view of a cold heading forming die for a pole according to another embodiment of the present disclosure;
FIG. 9 is a schematic structural view of a cold header base according to another embodiment of the present disclosure;
fig. 10 is a cross-sectional view of a post cold heading forming die according to another embodiment of the present application.
The reference numerals are as follows:
polar column cold heading former 1000: polar column cold heading forming die 100, driving device 300, driving piece 500;
polar column cold heading forming die 100: a cold header base 10, a cold header 30;
cold heading base 10: a base groove 11;
base recess 11: texture 111;
cold header 30: a platen groove 31, a polarity mark 33, a first portion 35, a second portion 37;
first portion 35: a step hole 351;
second portion 37: a penetrating portion 371, a holding portion 373;
the holding portion 373: polarity flag 3731.
Detailed Description
The technical solutions of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to fig. 1, fig. 1 is a schematic diagram of a pole cold heading forming apparatus according to an embodiment of the present application.
In this embodiment, the pole cold-heading forming apparatus 1000 includes a pole cold-heading forming mold 100, a driving device 300 and a transmission member 500. The pole cold heading forming die 100 is used for extruding and processing forming raw materials of battery poles, the driving device 300 is used for power energy, and the transmission piece 500 is connected between the pole forming die and an output end of the driving device 300. The driving device 300 can drive the driving member 500 and the pole cold heading forming die 100 connected to the driving member 500 to perform reciprocating linear motion along the first direction, so that the pole cold heading forming die 100 can complete the pressing die action and the die opening action, and further can complete the processing of the forming raw materials of the pole. Wherein the first direction is the Z-axis direction as shown in fig. 1.
Specifically, the pole cold-heading forming die 100 includes a cold-heading base 10 and a cold-heading base 30 disposed along a first direction, and molding materials capable of extruding the pole are matched between the cold-heading base 30 and the cold-heading base 10, so that the pole is extrusion-formed. The cold-forging stage 30 is connected to the transmission member 500, and the driving device 300 can drive the transmission member 500 to reciprocate in the first direction, so that the driving device 300 can drive the cold-forging stage 30 to move towards the cold-forging base 10 or drive the cold-forging stage 30 to move away from the cold-forging base 10 through the transmission member 500. The first direction is a direction in which the driving device 300 performs a reciprocating linear motion.
According to the pole cold-heading forming device 1000 provided by the embodiment, through the arrangement of the driving device 300 and the driving piece 500, when the driving device 300 drives the cold-heading table 30 to move along the first direction towards the direction close to the cold-heading base 10 through the driving piece 500, the cold-heading table 30 and the cold-heading base 10 are made to move in opposite directions, and then the forming raw materials of the pole are extruded, so that the pressing operation of the pole cold-heading forming die 100 is completed. When the driving device 300 drives the cold-forging stage 30 to move away from the cold-forging base 10 along the first direction through the transmission member 500, the cold-forging stage 30 and the cold-forging base 10 move back to complete the die opening operation of the pole cold-forging forming die 100. By controlling the movement direction of the driving device 300 to perform reciprocating linear movement, the operations of pressing and opening the pole cold heading forming die 100 can be realized, which is beneficial to reducing the processing operation difficulty of pole forming.
Referring to fig. 2, fig. 2 is a schematic diagram of another pole cold heading forming apparatus according to an embodiment of the present application.
In one embodiment, the pole cold-heading forming apparatus 1000 includes a plurality of pole cold-heading forming dies 100, a plurality of cold-heading stages 30 are all connected to the transmission member 500, and the plurality of pole cold-heading forming dies 100 are disposed at intervals along a plane perpendicular to the first direction. When the driving device 300 drives the driving member 500 to reciprocate in the first direction, the plurality of cold heading stages 30 can move toward the cold heading base 10 or move away from the cold heading base 10 in the first direction, so that the driving device 300 can control and drive the press-molding operation and the open-molding operation of the pole cold heading molding die 100 on the molding raw material of the pole.
The cold-heading forming device provided in this embodiment, through the setting of a plurality of utmost point post cold-heading forming dies 100, and driving medium 500 can connect a plurality of utmost point post cold-heading forming dies 100 in the output of drive arrangement 300 to make drive arrangement 300 can control and drive a plurality of utmost point post cold-heading forming dies 100 simultaneously to the shaping raw materials processing of a plurality of utmost point posts in a reciprocal rectilinear motion's in-process, be favorable to improving the production machining efficiency of utmost point post.
It can be appreciated that in some other embodiments, the number of the driving members 500 may be plural, and the number of the driving members 500 is the same as the number of the post cold-heading forming dies 100, one ends of the driving members 500 are fixedly connected and drivingly connected to the output end of the driving device 300, and the other ends of the driving members 500 are respectively connected to the post cold-heading forming dies 100, so that when the driving device 300 drives the driving members 500 to reciprocate in the first direction, the cold-heading stages 30 of the post cold-heading forming dies 100 can be driven to move relative to the cold-heading bases 10.
Referring to fig. 3 and fig. 4, fig. 3 is a schematic structural diagram of a pole cold-heading forming mold according to an embodiment of the present application, and fig. 4 is a schematic sectional diagram of a pole cold-heading forming mold according to an embodiment of the present application.
In this embodiment, the pole cold-heading forming die 100 is used for processing a pole by extruding a molding material of a battery pole, and the pole cold-heading forming die 100 includes a cold-heading base 10 and a cold-heading stage 30. The cold header base 10 is provided with a base groove 11 for receiving molding materials of the pole. The cold header 30 is disposed opposite to the cold header base 10 in a first direction, and the cold header 30 is movable toward and away from the cold header base 10 in the first direction. The cold header 30 is provided with a header groove 31, and the header groove 31 is disposed opposite to the base groove 11 in the first direction. The cold header 30 and the cold header base 10 press molding materials of the pole while the cold header 30 moves toward the vicinity of the cold header base 10 in the first direction. When the cold header 30 abuts against the cold header base 10, the molding material of the post is extruded into a shape formed by the base groove 11 and the header groove 31 enclosed by the restriction of the groove walls of the header groove 31 and the base groove 11.
According to the pole cold-heading forming die 100 provided by the embodiment, on one hand, through the cooperation of the cold-heading base 10 and the cold-heading platform 30, when the forming raw material of the pole is arranged in the base groove 11, an operator only needs to control the cold-heading platform 30 to move towards the cold-heading base 10 along the first direction and prop against the cold-heading base 10, so that the groove wall of the base groove 11 and the groove wall of the pressing platform groove 31 can carry out die operation on the forming raw material of the pole, the process is simple in operation, the pole processing can be completed without professional, and the processing difficulty of pole forming is reduced. On the other hand, compared with the traditional method for processing and forming the polar column by using the numerical control machine tool, the molding raw material of the polar column is subjected to the compression molding operation by the polar column cold heading molding die 100, so that the processing procedure of the polar column is shorter, and the processing speed of the polar column is improved.
Referring to fig. 3, 4 and 5, fig. 5 is a process diagram of a pole cold heading forming mold for processing a pole according to an embodiment of the present application. The following details the process of processing the polar column (polar column cold heading preparation method) by the polar column cold heading forming mold 100 provided in this embodiment:
first step S1: forming a cold header base 10.
Second step S2: a base groove 11 is formed in the cold heading base 10.
Third step S3: a cold header 30 is formed. Such that the cold header 30 is disposed opposite the cold header base 10 in a first direction, and the cold header 30 is movable in the first direction relative to the cold header base 10.
Fourth step S4: a platen groove 31 is formed in the cold header 30. So that the platen groove 31 is disposed opposite to the base groove 11 in the first direction.
Fifth step S5: the molding material of the battery post is placed in the base groove 11.
Sixth step S6: the cold header 30 is driven to move in a first direction toward the vicinity of the cold header base 10, and the cold header base 10 and the cold header 30 cooperate to extrude the molding material of the pole. When the cold header 30 is abutted against the cold header base 10, the molding material of the polar column is extruded into a shape formed by the surrounding of the inner wall surface of the base groove 11 and the inner wall surface of the header groove 31;
seventh step S7: when the cold header 30 abuts against the cold header base 10, the cold header 30 is driven to move away from the cold header base 10 along the first direction;
eighth step S8: the formed pole is taken out from between the cold header 30 and the cold header base 10.
According to the pole cold heading preparation method provided by the embodiment, on one hand, through the cooperation of the cold heading base 10 and the cold heading platform 30, when the molding raw material of the pole is arranged in the base groove 11, an operator only needs to control the cold heading platform 30 to move towards the cold heading base 10 along the first direction and prop against the cold heading base 10, so that the groove wall of the base groove 11 and the groove wall of the pressing platform groove 31 can carry out die operation on the molding raw material of the pole, the process operation is simple, the pole processing can be completed without professional, and the processing difficulty of pole molding is reduced. On the other hand, compared with the traditional method for processing and forming the polar column by using the numerical control machine tool, the molding raw material of the polar column is subjected to the compression molding operation by the polar column cold heading molding die 100, so that the processing procedure of the polar column is shorter, and the processing speed of the polar column is improved.
Referring to fig. 4, fig. 6 and fig. 7, fig. 6 is a schematic structural diagram of a cold header base provided in an embodiment of the present application, and fig. 7 is a schematic structural diagram of a cold header table provided in an embodiment of the present application.
Specifically, in the present embodiment, the base recess 11 is a cylindrical recess, and the platen recess 31 is a cylindrical recess. The axial lead of the base groove 11 and the axial lead of the pressing table groove 31 are arranged in a collinear manner in the first direction, and the size of the base groove 11 along the second direction is larger than the size of the pressing table groove 31 along the second direction, namely, the orthographic projection of an opening of one end of the pressing table groove 31, which is close to the cold heading base 10, on the cold heading base 10 along the first direction is completely positioned in the base groove 11. Wherein the second direction is a radial direction of the base groove 11, or a direction parallel to a radial direction of the platen groove 31, the second direction being different from the first direction. The second direction is the X-axis direction as shown in fig. 4.
According to the pole cold heading forming die 100 provided by the embodiment, the radial dimension of the cylindrical base groove 11 is larger than that of the cylindrical pressing table groove 31, and the orthographic projection of the opening of one end, close to the cold heading base 10, of the pressing table groove 31 on the cold heading base 10 along the first direction is completely located in the base groove 11. When the cold header 30 moves toward the vicinity of the cold header base 10 in the first direction and abuts against the cold header base 10, since the axis of the base groove 11 and the axis of the header groove 31 are arranged in line in the first direction, the cylindrical base groove 11 and the cylindrical header groove 31 can cause the molding raw materials of the pole to be extruded into a stepped structure to form a pole that can be used for assembly on a battery.
More specifically, referring to fig. 4, in the present embodiment, the radial dimension of the end of the cold header 30 near the cold header base 10 is larger than the opening dimension of the base groove 11 near the cold header 30, so that the orthographic projection of the opening of the cold header 30 of the base groove 11 on the cold header 30 is completely located in the end face of the side of the cold header 30 near the cold header base 10.
In the pole cold-heading forming mold 100 provided in this embodiment, the front projection of the opening of the base groove 11, which is close to the cold-heading table 30, on the cold-heading table 30 is completely located in the end face of the side of the cold-heading table 30, which is close to the cold-heading base 10, and when the cold-heading table 30 moves towards the side, which is close to the cold-heading base 10, along the first direction and abuts against the cold-heading base 10, the end, which is close to the cold-heading base 10, of the cold-heading table 30 completely covers the peripheral edge of the base groove 11, which is close to the opening of the cold-heading table 30, so that the forming raw material of the pole can be prevented from overflowing from between the pressing table groove 31 and the base groove 11 in the extrusion process, which is favorable for improving the quality of the pole cold-heading forming mold 100 for processing the pole.
Specifically, referring to fig. 4 and 7, in the present embodiment, a polarity mark 33 is disposed on a bottom of the platen groove 31 away from the cold header base 10, and the polarity mark 33 is protruding from the bottom of the platen groove 31 away from the cold header base 10. When the cold header 30 moves along the first direction toward the position close to the cold header base 10 and abuts against the cold header base 10, at least part of the polarity marks 33 can be embedded in the molding raw material of the pole, so that the machined pole is provided with concave marks corresponding to the polarity marks 33 arranged in a protruding manner.
The polar column cold heading forming mold 100 provided in this embodiment is provided with the polar mark 33 on the bottom of the pressing table groove 31 far away from the cold heading base 10, so that the forming raw material of the polar column is extruded to form the mark, so as to distinguish the polar of the polar column in the assembled battery. Moreover, the polar mark 33 is protruding from the bottom of the pressing groove 31 away from the cold header base 10, so that a concave mark is formed after the molding material of the pole is extruded, which can reduce the space occupied by the pole along the first direction of the battery, so as to facilitate the miniaturization development of the extruded pole.
It will be appreciated that in other embodiments, the polar mark 33 may be concavely disposed on the platen groove 31 away from the groove bottom of the cold header base 10, and when the cold header 30 moves along the first direction toward the position close to the cold header base 10 and abuts against the cold header base 10, at least part of the molding material of the polar post may be embedded in the polar mark 33, so that the processed polar post has a convex mark corresponding to the concavely disposed polar mark 33.
Referring to fig. 8, fig. 8 is a schematic cross-sectional view of a pole cold heading mold according to another embodiment of the present disclosure.
It will be appreciated that in other embodiments, the dimension of the base recess 11 in the second direction is smaller than the dimension of the platen recess 31 in the second direction, i.e., the orthographic projection of the opening of the base recess 11 near the end of the cold-heading stage 30 in the first direction onto the cold-heading stage 30 is located entirely within the platen recess 31. The radial ruler of one end of the cold header base 10 close to the cold header 30 is larger than the opening size of the header groove 31 close to the cold header base 10, so that the orthographic projection of the opening of the header groove 31 close to the cold header base 10 on the cold header base 10 is completely positioned in the end face of one side of the cold header base 10 close to the cold header 30. The base groove 11 is provided with the polarity mark 33 on the tank bottom of keeping away from the cold-heading platform 30, and the polarity mark 33 is protruding to be located the tank bottom of keeping away from the cold-heading platform 30 of base groove 11, this application does not do the restriction.
Specifically, referring to fig. 4 and 6, in the present embodiment, a texture 111 is disposed on a bottom of the base groove 11, which is far from the cold header 30, and the texture 111 is used for contacting with the molding material of the pole.
According to the pole cold-heading forming die 100 provided by the embodiment, the texture 111 is arranged on the bottom of the base groove 11 far away from the cold-heading pressing table 30, when the forming raw material of the pole is placed in the base groove 11, the texture 111 is in contact with the forming raw material of the pole, friction between the forming raw material of the pole and the bottom wall of the base groove 11 can be increased, the forming raw material of the pole is moved in the base groove 11, the influence of external vibration on the placing position of the forming raw material of the pole in the machining process can be prevented, and then the machining precision and the machining quality of the pole by the pole cold-heading forming die 100 can be improved.
More specifically, in the present embodiment, the texture 111 is provided in the center of the base groove 11 away from the groove bottom of the cold header 30.
The pole cold-heading forming die 100 provided in this embodiment is set up in the center of the tank bottom of the cold-heading platform 30 is kept away from in the base recess 11 through the texture 111 to make the shaping raw materials of pole can stabilize in the center of the tank bottom of the cold-heading platform 30 is kept away from in the base recess 11 when placing in the base recess 11, be favorable to improving the stability of pole cold-heading forming die 100 when processing the shaping raw materials of pole, can further improve the machining precision of pole cold-heading forming die 100 to the pole.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a cold header base according to another embodiment of the present disclosure.
It will be appreciated that in other embodiments, the texture 111 on the bottom of the base recess 11 away from the cold header 30 may be omitted to make the extruded surface of the molding material of the post smoother, as this application is not limited thereto.
Referring to fig. 10, fig. 10 is a cross-sectional view of a cold heading forming die for a pole according to another embodiment of the present application.
In one other embodiment, the cold header 30 includes a first portion 35 and a second portion 37 removably connected, the header recess 31 being provided on the first portion 35, the first portion 35 having a stepped bore 351 in communication with a bottom wall of the header recess 31. The second portion 37 includes a penetrating portion 371 and a holding portion 373, the penetrating portion 371 being capable of extending into the platen groove 31 from an end of the platen groove 31 near the cold heading base 10 and of penetrating out the second portion 37 from the stepped hole 351 in the first direction. The abutting portion 373 and at least part of the penetrating portion 371 are accommodated in the stepped hole 351, and an end face of the abutting portion 373 near one end of the cold header base 10 is located in the same plane as the bottom wall of the platen groove 31.
According to the pole cold-heading forming die 100 provided by the embodiment, the cold-heading table 30 is arranged to be detachable to the first portion 35 and the second portion 37, after the extrusion of the forming raw materials of the pole is completed by the pole cold-heading forming die 100, the first portion 35 is detached from one end, close to the cold-heading base 10, of the second portion 37 to one end, far away from the cold-heading bottom wall, of the second portion 37 along the first direction, and at the moment, the formed pole can be abutted in the base groove 11 by the abutting portion 373 of the second portion 37, so that the pole cold-heading forming die 100 can be opened after the pole machining is finished, and the die opening efficiency of the pole cold-heading forming die 100 is improved. Moreover, through the arrangement of the step hole 351, when the pole cold heading forming die 100 is used for extruding the forming raw material of the pole, the abutting part 373 cannot generate displacement relative to the second part 37, which is beneficial to improving the processing quality of the pole.
The process of processing the polar column (polar column cold heading preparation method) by the polar column cold heading forming mold 100 shown in fig. 10 is described in detail as follows:
when the cold header 30 and the cold header base 10 are held against each other, the first portion 35 is driven to move in a first direction toward a direction away from the cold header base 10, while the second portion 37 is held against the formed pole in the first direction. The second portion 37 is then driven in a first direction toward a direction away from the cold header base 10 to release the restriction of the second portion 37 to the formed pole in the first direction. Finally, the shaped pole is removed from between the second portion 37 and the cold header base 10.
According to the pole cold heading preparation method provided by the embodiment of the application, the cold heading bench 30 is arranged to be the first part 35 and the second part 37 in a detachable mode, after the extrusion of the molding raw materials of the pole is completed by the pole cold heading molding die 100, the first part 35 can be detached from one end, close to the cold heading base 10, of the second part 37 to one end, far away from the cold heading base 10, of the second part 37 along the first direction, and at the moment, the formed pole can be abutted in the base groove 11 by the abutting part 373 of the second part 37 so that the pole can be conveniently opened by the pole cold heading molding die 100 after the pole is processed, and the die opening efficiency and the die opening quality of the pole cold heading molding die 100 are improved.
Specifically, in this embodiment, the step hole 351 is disposed at the center of the bottom wall of the platen groove 31 and is disposed coaxially with the platen groove 31, the end surface of the abutting portion 373 away from the end of the penetrating portion 371 is provided with the polarity mark 3731, and the polarity mark 3731 is protruding on the end surface of the abutting portion 373 away from the end of the penetrating portion 371.
The pole cold heading forming mold 100 provided in this embodiment is disposed at the center of the bottom wall of the pressing table groove 31 through the step hole 351 and is coaxially disposed with the pressing table groove 31, when the first portion 35 is detached from the end of the second portion 37, which is close to the cold heading base 10, to the end of the second portion 37, which is far away from the cold heading bottom wall, in the first direction, the supporting portion 373 is supported at the center of the machined pole, so that the phenomenon that the machined pole is deformed due to uneven stress during mold opening can be avoided. In addition, the polarity mark 3731 is provided on the end surface of the abutting portion 373 away from the penetrating portion 371, so that the mark formed after the molding material of the pole is extruded is located at the center of the pole, and the aesthetic degree of the pole can be improved.
The foregoing is a partial embodiment of the present application and it should be noted that, for a person skilled in the art, several improvements and modifications can be made without departing from the principle of the present application, and these improvements and modifications are also considered as the protection scope of the present application.
Claims (10)
1. A post cold heading forming die for extrusion processing of a forming raw material of a battery post, which is characterized by comprising:
the cold heading base is provided with a base groove for accommodating the molding raw materials of the polar column; and
the cold heading table is arranged opposite to the cold heading base in the first direction and can move relative to the cold heading base; the cold heading bench is provided with a bench groove which is opposite to the base groove in the first direction;
when the cold heading table moves along a first direction towards a position close to the cold heading base, the cold heading table and the cold heading base extrude forming raw materials of the pole; when the cold heading table is abutted against the cold heading base, the molding raw materials of the polar column are extruded into a shape formed by encircling the base groove and the pressing table groove; the first direction is the machining direction of the pole cold heading forming die;
the base groove is a cylindrical groove, and the pressing table groove is a cylindrical groove; the axial lead of the base groove and the axial lead of the pressing table groove are arranged in a collinear manner in the first direction, and the size of the base groove along the second direction is larger than that of the pressing table groove along the second direction; wherein the second direction is different from the first direction; the radial dimension of one end of the cold-forging platform, which is close to the cold-forging base, is larger than the opening dimension of the base groove, which is close to the cold-forging platform, so that the orthographic projection of the opening of the base groove on the cold-forging platform is completely positioned in the end face of one side of the cold-forging platform, which is close to the cold-forging base.
2. The pole cold heading forming die of claim 1, wherein,
the pressing table groove is far away from the bottom of the cold heading base, and the polarity mark is convexly arranged on the pressing table groove far away from the bottom of the cold heading base.
3. The pole cold heading forming die of claim 1, wherein,
the cold header comprises a first part and a second part which are detachably connected, the header groove is arranged on the first part, and the first part is provided with a step hole communicated with the bottom wall of the header groove; the second part comprises a penetrating part and a supporting part; the penetrating part can extend into the pressing table groove from one end of the pressing table groove, which is close to the cold heading base, and can penetrate out of the first part from the step hole along the first direction; the abutting part and at least part of the penetrating part are accommodated in the step hole, and the end face of the abutting part, which is close to one end of the cold heading base, and the bottom wall of the pressing table groove are located in the same plane.
4. The pole cold heading forming die of claim 3, wherein,
the step hole set up in the center of the diapire of platform recess and with the coaxial setting of platform recess, support and hold the portion and keep away from be provided with the polarity mark on the terminal surface of the one end of wearing portion, the polarity mark protruding locates to support the portion and keep away from the terminal surface of the one end of wearing portion.
5. The pole cold heading forming die of claim 1, wherein,
and the bottom of the base groove, which is far away from the cold heading table, is provided with textures, and the textures are used for being in contact with the molding raw materials of the polar column.
6. The pole cold heading forming die of claim 5, wherein,
the texture is arranged in the center of the base groove far away from the bottom of the cold heading platform.
7. A pole cold heading forming device, comprising:
the pole cold heading forming die according to any one of claims 1 to 6;
the output end of the driving device can do reciprocating linear motion along the first direction; and
the transmission piece is connected between the cold heading platform and the output end of the driving device, and is used for transmitting power output by the driving device, so that the driving device drives the cold heading platform to move along the first direction towards being close to or away from the cold heading base.
8. The pole cold heading forming apparatus as recited in claim 7, wherein,
the number of the pole cold-heading forming dies is multiple, the cold-heading stations are connected to the transmission piece, and the pole cold-heading forming dies are arranged in pairs at intervals along a plane perpendicular to the first direction; when the driving device drives the transmission piece to do reciprocating rectilinear motion along the first direction, the cold heading platforms can move relative to the cold heading base, so that the driving device can control and drive the pole cold heading forming die to process the forming raw materials of the pole.
9. A pole cold-heading preparation method applied to the pole cold-heading forming die according to any one of claims 1 to 6, characterized in that the pole cold-heading preparation method comprises a pole cold-heading forming method and a pole cold-heading disassembly method, and the pole cold-heading forming method comprises the following steps:
forming the cold heading base;
the cold heading base is provided with the base groove;
forming the cold header, wherein the cold header and the cold header base are arranged opposite to each other in the first direction, and the cold header can move relative to the cold header base along the first direction;
the cold upsetting press is provided with a press table groove which is opposite to the base groove in the first direction;
placing the molding raw materials of the battery pole in the base groove; and
driving the cold heading table to move along the first direction towards the position close to the cold heading base, wherein the cold heading base is matched with the cold heading table to extrude the molding raw materials of the polar column; when the cold heading table is abutted against the cold heading base, the molding raw materials of the polar column are extruded into a shape formed by surrounding the inner wall surface of the base groove and the inner wall surface of the pressing table groove;
the pole cold heading disassembly method comprises the following steps:
when the cold header and the cold header base are propped against each other, the cold header is driven to move along the first direction towards and away from the cold header base;
and taking out the formed pole from the cold upsetting table and the cold upsetting base.
10. The method of manufacturing a post cold header according to claim 9, wherein when the cold header includes a first portion and a second portion detachably connected, the header groove is provided on the first portion, the first portion has a stepped hole that is in communication with a bottom wall of the header groove; the second part comprises a penetrating part and a supporting part; the penetrating part can extend into the pressing table groove from one end of the pressing table groove, which is close to the cold heading base, and can penetrate out of the first part from the step hole along the first direction; the abutting part and at least part of the penetrating part are accommodated in the step hole, and the end face of one end of the abutting part, which is close to the cold heading base, and the bottom wall of the pressing table groove are positioned in the same plane;
the pole cold heading disassembly method comprises the following steps:
when the cold header and the cold header base are abutted, the first part is driven to move along the first direction towards a direction away from the cold header base, and meanwhile, the second part is abutted against the formed pole along the first direction;
driving the second part to move along the first direction towards a direction away from the cold heading base so as to release the limitation of the second part on the formed pole in the first direction;
and taking out the formed pole from the position between the second part and the cold heading base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211168568.5A CN115570091B (en) | 2022-09-24 | 2022-09-24 | Polar column cold heading forming die, forming equipment and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211168568.5A CN115570091B (en) | 2022-09-24 | 2022-09-24 | Polar column cold heading forming die, forming equipment and preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115570091A CN115570091A (en) | 2023-01-06 |
| CN115570091B true CN115570091B (en) | 2023-12-26 |
Family
ID=84580869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211168568.5A Active CN115570091B (en) | 2022-09-24 | 2022-09-24 | Polar column cold heading forming die, forming equipment and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115570091B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0615402A (en) * | 1991-12-16 | 1994-01-25 | Obara Kinzoku Kogyo Kk | Bushing forging header for battery pole column |
| CN209811117U (en) * | 2019-03-14 | 2019-12-20 | 宁波乾诚精密机械制造有限公司 | Low efficient anodal post cold-heading mould that decreases |
| CN211990762U (en) * | 2020-04-13 | 2020-11-24 | 宁波乾诚精密机械制造有限公司 | Low efficient negative pole post cold-heading mould that decreases |
| CN112139423A (en) * | 2020-09-18 | 2020-12-29 | 卓越紧固系统（上海）有限公司 | Cold heading structure |
| CN112207221A (en) * | 2020-09-14 | 2021-01-12 | 苏州工业园区君力精工有限公司 | New energy automobile battery pole cold heading forming process |
| CN214043929U (en) * | 2020-09-10 | 2021-08-24 | 武汉富航精密工业有限公司 | Structure of power battery copper-aluminum composite pole |
| CN113909326A (en) * | 2021-08-31 | 2022-01-11 | 宁波固强机械有限公司 | Die for manufacturing cover plate of energy recovery device and manufacturing method of cover plate of energy recovery device |
| CN114074164A (en) * | 2020-08-11 | 2022-02-22 | 深圳市大富方圆成型技术有限公司 | Electron cigarette part and electron cigarette cold-heading forming die |
| CN216095629U (en) * | 2021-08-31 | 2022-03-22 | 宁波固强机械有限公司 | Forming die of new energy automobile energy recovery device apron |
| CN217095495U (en) * | 2021-12-29 | 2022-08-02 | 广东顺科电气制造有限公司 | Flat workpiece cold heading forming die |
-
2022
- 2022-09-24 CN CN202211168568.5A patent/CN115570091B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0615402A (en) * | 1991-12-16 | 1994-01-25 | Obara Kinzoku Kogyo Kk | Bushing forging header for battery pole column |
| CN209811117U (en) * | 2019-03-14 | 2019-12-20 | 宁波乾诚精密机械制造有限公司 | Low efficient anodal post cold-heading mould that decreases |
| CN211990762U (en) * | 2020-04-13 | 2020-11-24 | 宁波乾诚精密机械制造有限公司 | Low efficient negative pole post cold-heading mould that decreases |
| CN114074164A (en) * | 2020-08-11 | 2022-02-22 | 深圳市大富方圆成型技术有限公司 | Electron cigarette part and electron cigarette cold-heading forming die |
| CN214043929U (en) * | 2020-09-10 | 2021-08-24 | 武汉富航精密工业有限公司 | Structure of power battery copper-aluminum composite pole |
| CN112207221A (en) * | 2020-09-14 | 2021-01-12 | 苏州工业园区君力精工有限公司 | New energy automobile battery pole cold heading forming process |
| CN112139423A (en) * | 2020-09-18 | 2020-12-29 | 卓越紧固系统（上海）有限公司 | Cold heading structure |
| CN113909326A (en) * | 2021-08-31 | 2022-01-11 | 宁波固强机械有限公司 | Die for manufacturing cover plate of energy recovery device and manufacturing method of cover plate of energy recovery device |
| CN216095629U (en) * | 2021-08-31 | 2022-03-22 | 宁波固强机械有限公司 | Forming die of new energy automobile energy recovery device apron |
| CN217095495U (en) * | 2021-12-29 | 2022-08-02 | 广东顺科电气制造有限公司 | Flat workpiece cold heading forming die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115570091A (en) | 2023-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4776197A (en) | Process and apparatus for producing an electrical battery pole or terminal | |
| CN105081066A (en) | Double-positioning punching mould for rolling bearing leading-in cantilever | |
| CN115570091B (en) | Polar column cold heading forming die, forming equipment and preparation method | |
| CN114472645A (en) | Die switching system of stamping table and use method | |
| CN103624203B (en) | The working method of a kind of high line diameter ratio T iron and processing mold | |
| CN109248963A (en) | A kind of transmitting drawing die trimming structure of power battery shell | |
| CN207652261U (en) | Rotor assembly tool | |
| CN211489484U (en) | Multipurpose combined forging die | |
| CN209255623U (en) | A kind of automobile diffuser continuous mould | |
| CN106378632A (en) | Precise forming mechanism of oil pump oil mouth plunger sleeve | |
| CN216801551U (en) | Output shaft cold extrusion die for automobile starting motor | |
| CN218395892U (en) | Low-pressure metal casting mold for cover cap of electrical box | |
| CN212498528U (en) | Molding ring forming tool | |
| CN220920577U (en) | Multi-station punching machine for battery shell | |
| CN214926391U (en) | Quick compound die fashioned groove paper mould structure and groove paper machine | |
| CN217858617U (en) | Die sleeve with a plurality of die cores | |
| CN219443076U (en) | Narrow tooth punching die structure | |
| CN216095982U (en) | Stamping blind hole spline shaft machining die convenient for die stripping | |
| CN114799378B (en) | Wire-electrode cutting multiple cutting process method for micro-gear male die | |
| CN217252086U (en) | High-strength lightweight titanium alloy pipe machining die | |
| CN109692909A (en) | A kind of preparation process of connector fish forked terminal | |
| CN215544623U (en) | Aluminum alloy pressure sensor nut cold-heading module | |
| CN106513504B (en) | A kind of motor shell processing mold and its processing method | |
| CN215315147U (en) | Combined type drawing die/drawing stamping die structure | |
| CN214768414U (en) | Closing-in machine for aviation male head |
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 |