CN112024679A - New energy lithium battery shell manufacturing and forming processing technology - Google Patents
New energy lithium battery shell manufacturing and forming processing technology Download PDFInfo
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- CN112024679A CN112024679A CN202010848797.6A CN202010848797A CN112024679A CN 112024679 A CN112024679 A CN 112024679A CN 202010848797 A CN202010848797 A CN 202010848797A CN 112024679 A CN112024679 A CN 112024679A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D21/00—Combined processes according to methods covered by groups B21D1/00 - B21D19/00
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- 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
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Abstract
The invention provides a new energy lithium battery shell manufacturing and forming processing technology, which is a work completed by matching a bottom frame, a positioning unit, a fixing frame, a linkage unit, a fitting unit and a crimping unit.
Description
Technical Field
The invention relates to the technical field of lithium battery forming, in particular to a new energy lithium battery shell manufacturing and forming processing technology.
Background
The lithium battery is a battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material; the novel energy lithium battery is widely applied to new energy automobiles and is commonly called as a novel energy lithium battery, the novel energy lithium battery is generally packaged by adopting an aluminum shell, the aluminum shell needs to be flanged when being processed, the traditional flanging mode is used for bending and flanging two ends of a shell slice after being positioned, however, when the aluminum shell is flanged, the efficiency is difficult to improve aiming at the object which is single, the end part of the slice can only be bent at an angle by bending once, the end part of the shell slice is difficult to turn into a flanging structure, and the condition that the hand is scratched by the shell slice which is not flanged after the later-stage forming is still existed.
Disclosure of Invention
In order to solve the problems, the invention provides a new energy lithium battery shell manufacturing and forming processing technology which can solve the problems that during flanging, the target is usually single, the efficiency is difficult to improve, the end part of a sheet can only be bent at an angle by one-time bending, the end part of a shell sheet is difficult to be turned into a curled edge structure, the situation that the hand is scratched even after the shell sheet which is not curled is formed at the later stage, and the like.
In order to achieve the purpose, the invention adopts the following technical scheme that a new energy lithium battery shell manufacturing and forming processing technology uses a crimping device, the crimping device comprises a bottom frame, a positioning unit, a fixing frame, a linkage unit, a fitting unit and a crimping unit, and the new energy lithium battery shell manufacturing and forming processing technology adopting the crimping device is as follows:
s1, positioning: sequentially attaching the shell sheets which are not rolled to the attaching unit, and pressing and positioning the shell sheets through the positioning unit;
s2, bending: the positioning motor drives the rotating disc to rotate, so that the linkage rod is driven to integrally retract, and the bending block moves outwards after being extruded under the coordination of the gear and the rack, so that two ends of the shell sheet are bent for the first time;
s3, flanging: then, the positioning motor drives the rotating disc to rotate reversely, so that the linkage rod is driven to integrally extend outwards, and under the coordination of the gear and the rack, the bending block resets and the curling block performs secondary extrusion bending on the end part of the bent shell thin sheet, so that complete flanging action is completed and complete flanging action is completed;
s4, collecting: and taking out the shell sheets after flanging, replacing the next batch of shell sheets to be processed, and carrying out rolling forming treatment on the shell sheets after flanging to form the cylindrical battery shell.
The positioning unit is evenly installed to the lateral wall of underframe, and the mid-mounting of underframe has fixed frame, and the internally mounted of fixed frame has the linkage unit, evenly installs the laminating unit on the outer wall of fixed frame, evenly installs the turn-up unit on the outer wall of fixed frame, and interval arrangement between laminating unit, the turn-up unit.
The linkage unit include positioning motor, rotating disc and extrusion groove, positioning motor passes through the pedestal mounting on fixed frame, installs rotating disc on positioning motor's the output shaft, evenly seted up the extrusion groove along its circumference on the rotating disc, during specific work, drive rotating disc through positioning motor and carry out positive and negative rotation motion.
The laminating unit include that the attaching plate, two bend the piece, built-in spring and two work bars, the attaching plate is installed on the lateral wall of fixed frame, the both ends of attaching plate and two bend between the piece for sliding fit are connected, it has built-in spring to bend between piece and the fixed frame, built-in spring plays the effect that resets, the work bar is installed in the outside of the piece of bending.
The hemming unit include gangbar, the connecting rod, two initiative racks, two extrusion mechanisms, two slide bars, two driven racks and two hemming blocks, be connected for sliding fit between gangbar and the fixed frame, the connecting rod is installed to the outer end of gangbar, two initiative racks are installed to the lateral wall of connecting rod, the connecting rod is located between two extrusion mechanisms, extrusion mechanism installs on fixed frame, two extrusion mechanisms are located between two slide bars, be connected for sliding fit between slide bar and the fixed frame, driven rack is installed to the interior terminal surface of slide bar, the hemming block is installed to the tip of slide bar.
The concrete during operation drives the rotation disc through the positioning motor and rotates, thereby drive the gangbar and contract in, drive the rotation post antiport of both sides under the cooperation of rack and pinion, two extrusion arms of synchronous pivoted drive two and bend the piece and move outward, thereby extrude the bending to the tip of the shell thin slice of location, later, drive the rotation disc reversal through the positioning motor, the rotation post that drives both sides under the cooperation of rack and pinion rotates in opposite directions, two bend the piece and reset under the effect of built-in spring, and two slide bars drive two turn-up blocks and stretch out in step, thereby carry out the secondary extrusion to the part of bending, thereby accomplish complete turn-ups action.
Preferably, the positioning unit comprises a cylinder, a positioning plate, an air suction cavity, a connecting pipe and an air suction pump, the cylinder is connected between the positioning plate and the bottom frame, the air suction cavity is formed in the positioning plate, the connecting pipe is connected between the air suction cavity and the air suction pump, and the air suction pump is installed on the inner wall of the bottom frame.
Preferably, the positioning plate is uniformly provided with air holes, and the air holes are communicated with the air suction cavity.
Preferably, one surface of the bending block, which is close to the positioning plate, is an arc-shaped surface, and a rubber layer is laid on the arc-shaped surface.
Preferably, the inner end of the linkage rod is provided with a cylinder, and the cylinder is connected with the extrusion groove in a sliding fit manner.
Preferably, the extrusion mechanism include and rotate post, arc rack and stripper bar, rotate and be the round pin hub connection between post and the fixed frame, rotate the edge of post and install the arc rack, rotate the inner of post and install the stripper bar, the inboard of initiative rack and arc rack meshes mutually, the outside and the driven rack mesh mutually of arc rack.
Preferably, a rubber pad is laid on the concave arc-shaped surface of the edge rolling block.
The invention has the beneficial effects that:
according to the manufacturing and forming processing technology of the new energy lithium battery shell, a multi-station synchronous flanging mode is adopted to flange a plurality of groups of shell thin sheets, the whole working efficiency is improved, the thin sheets are flanged in a secondary extrusion type bending mode, the end parts of the thin sheets can be turned into a curled edge structure through two times of extrusion bending, and the condition that hands of a person are scratched by the formed battery shell is avoided;
the linkage unit, the attaching unit and the crimping unit adopt a design concept of a linkage structure, so that the consistency of matching between actions is improved, the design of the linkage structure ensures that the bending block and the crimping block cannot be influenced mutually in position, and the crimping efficiency is improved;
the invention further provides a new energy lithium battery shell manufacturing and forming processing technology, the hemming unit controls the movement of the rotating column and the sliding rod in a linkage type gear matching mode, when the rotating column drives the extrusion rod to extrude the bending block to move outwards to extrude the end portion of the thin sheet for the first time, the sliding rod can retract inwards to avoid influencing the normal movement of the bending block, when the bending block resets, the sliding rod extends outwards under the action of the gear rack to extrude the end portion of the thin sheet for the second time, and the two extrusion bending in different directions form a complete flanging action, so that the end portion of the thin sheet can be turned into a hemming structure.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of a new energy lithium battery shell manufacturing and forming process;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 of the present invention;
FIG. 4 is an enlarged view of the X-direction portion of FIG. 3 of the present invention;
fig. 5 is a schematic view showing a structural change of the housing sheet.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 5, a new energy lithium battery shell manufacturing and forming process technology uses a crimping device, the crimping device includes a bottom frame 1, a positioning unit 2, a fixing frame 3, a linkage unit 4, a fitting unit 5 and a crimping unit 6, and the new energy lithium battery shell manufacturing and forming process technology using the crimping device is as follows:
s1, positioning: sequentially attaching the shell sheets which are not rolled to the attaching unit 5, and pressing and positioning the shell sheets through the positioning unit 2;
s2, bending: the positioning motor 41 drives the rotating disc 42 to rotate, so that the linkage rod 61 is driven to integrally retract, and the bending block 52 moves outwards after being extruded under the coordination of the gear and the rack, so that the two ends of the shell sheet are bent for the first time;
s3, flanging: then, the positioning motor 41 drives the rotating disc 42 to rotate reversely, so that the linkage rod 61 is driven to integrally extend outwards, and under the coordination of the gear and the rack, the bending block 52 resets and the curling block 67 carries out secondary extrusion bending on the end part of the bent shell thin sheet, so that complete flanging action is completed and complete flanging action is completed;
s4, collecting: and taking out the shell sheets after flanging, replacing the next batch of shell sheets to be processed, and carrying out rolling forming treatment on the shell sheets after flanging to form the cylindrical battery shell.
Locating element 2 is evenly installed to the lateral wall of underframe 1, and the mid-mounting of underframe 1 has fixed frame 3, and the internally mounted of fixed frame 3 has linkage unit 4, evenly installs laminating unit 5 on the outer wall of fixed frame 3, evenly installs turn-up unit 6 on the outer wall of fixed frame 3, and interval arrangement between laminating unit 5, the turn-up unit 6.
Positioning unit 2 include cylinder 21, locating plate 22, suction chamber 23, connecting pipe 24 and aspirator pump 25, even have cylinder 21 between locating plate 22 and the underframe 1, suction chamber 23 has been seted up on locating plate 22, be connected with connecting pipe 24 between suction chamber 23 and the aspirator pump 25, aspirator pump 25 installs on the inner wall of underframe 1, specific during operation drives locating plate 22 through cylinder 21 and carries out the laminating formula location to the shell thin slice, and adsorbs the shell thin slice after the laminating through the effect of gas suction.
The positioning plate 22 is uniformly provided with air holes, the air holes are communicated with the air suction cavity 23, and the air suction pump 25 sucks external air from the air holes, so that the air suction effect is achieved.
The attaching unit 5 comprises an attaching plate 51, two bending blocks 52, an internal spring 53 and two working rods 54, wherein the attaching plate 51 is installed on the side wall of the fixed frame 3, the two ends of the attaching plate 51 are connected with the two bending blocks 52 in a sliding fit manner, the internal spring 53 is connected between the bending blocks 52 and the fixed frame 3, the internal spring 53 plays a role in resetting, and the working rods 54 are installed on the outer sides of the bending blocks 52.
One surface of the bending block 52 close to the positioning plate 22 is an arc-shaped surface, and a rubber layer is laid on the arc-shaped surface, so that the effect of protecting the arc-shaped surface of the bending block 52 is achieved.
Hemming unit 6 include gangbar 61, connecting rod 62, two initiative racks 63, two extrusion mechanisms 64, two sliding rods 65, two driven racks 66 and two hemming blocks 67, be connected for sliding fit between gangbar 61 and the fixed frame 3, connecting rod 62 is installed to the outer end of gangbar 61, two initiative racks 63 are installed to the lateral wall of connecting rod 62, connecting rod 62 is located between two extrusion mechanisms 64, extrusion mechanisms 64 is installed on fixed frame 3, two extrusion mechanisms 64 are located between two sliding rods 65, be connected for sliding fit between sliding rod 65 and the fixed frame 3, driven rack 66 is installed to the interior terminal surface of sliding rod 65, hemming blocks 67 are installed to the tip of sliding rod 65.
During specific work, the positioning motor 41 drives the rotating disc 42 to rotate, so that the linkage rod 61 is driven to contract inwards, the rotating columns 641 on two sides are driven to rotate reversely under the cooperation of the gear and the rack, the two extrusion rods 643 which rotate synchronously drive the two bending blocks 52 to move outwards, so that the end portions of the positioned shell sheets are extruded and bent, then the positioning motor 41 is used for driving the rotating disc 42 to rotate reversely, the rotating columns 641 on two sides are driven to rotate oppositely under the cooperation of the gear and the rack, the two bending blocks 52 reset under the action of the built-in spring 53, and the two sliding rods 65 drive the two curling blocks 67 to extend synchronously, so that the bent portions are extruded secondarily, and complete flanging action is completed.
The inner end of the linkage rod 61 is provided with a cylinder, and the cylinder is connected with the extrusion groove 43 in a sliding fit manner.
The pressing mechanism 64 comprises a rotating column 641, an arc-shaped rack 642 and a pressing rod 643, the rotating column 641 is connected with the fixed frame 3 through a pin shaft, the arc-shaped rack 642 is installed at the edge of the rotating column 641, the pressing rod 643 is installed at the inner end of the rotating column 641, the driving rack 63 is meshed with the inner side of the arc-shaped rack 642, and the outer side of the arc-shaped rack 642 is meshed with the driven rack 66.
A rubber pad is laid on the concave arc-shaped surface of the hemming block 67, and the effect of protecting the concave arc-shaped surface of the hemming block 67 is achieved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a new forms of energy lithium battery case makes shaping processing technology, its has used a turn-up equipment, and this turn-up equipment includes underframe (1), positioning unit (2), fixed frame (3), linkage unit (4), laminating unit (5) and turn-up unit (6), its characterized in that: the technology for manufacturing, forming and processing the new energy lithium battery shell by adopting the crimping equipment is as follows:
s1, positioning: sequentially attaching the shell sheets which are not rolled to be formed on the attaching unit (5), and pressing and positioning the shell sheets through the positioning unit (2);
s2, bending: the positioning motor (41) drives the rotating disc (42) to rotate, so that the linkage rod (61) is driven to integrally retract, and the bending block (52) is extruded and then moves outwards under the coordination of the gear and the rack, so that the two ends of the shell sheet are bent for the first time;
s3, flanging: then, the positioning motor (41) drives the rotating disc (42) to rotate reversely, so that the linkage rod (61) is driven to integrally extend outwards, and the bending block (52) resets and the edge curling block (67) performs secondary extrusion bending on the end part of the bent shell sheet under the coordination of the gear and the rack, so that complete edge curling action is completed and complete edge curling action is completed;
s4, collecting: taking out the shell slices after flanging, replacing the next batch of shell slices to be processed, and carrying out rolling forming treatment on the shell slices after flanging to form a cylindrical battery shell;
the outer side wall of the bottom frame (1) is uniformly provided with positioning units (2), the middle part of the bottom frame (1) is provided with a fixed frame (3), the inside of the fixed frame (3) is provided with a linkage unit (4), the outer wall of the fixed frame (3) is uniformly provided with a fitting unit (5), the outer wall of the fixed frame (3) is uniformly provided with a crimping unit (6), and the fitting unit (5) and the crimping unit (6) are arranged at intervals;
the linkage unit (4) comprises a positioning motor (41), a rotating disc (42) and extrusion grooves (43), the positioning motor (41) is installed on the fixed frame (3) through a base, the rotating disc (42) is installed on an output shaft of the positioning motor (41), and the extrusion grooves (43) are uniformly formed in the rotating disc (42) along the circumferential direction of the rotating disc;
the laminating unit (5) comprises a laminating plate (51), two bending blocks (52), an internal spring (53) and two working rods (54), wherein the laminating plate (51) is installed on the side wall of the fixed frame (3), two ends of the laminating plate (51) are connected with the two bending blocks (52) in a sliding fit manner, the internal spring (53) is connected between the bending blocks (52) and the fixed frame (3), and the working rods (54) are installed on the outer sides of the bending blocks (52);
the hemming unit (6) comprises a linkage rod (61), a connecting rod (62), two driving racks (63), two extrusion mechanisms (64), two sliding rods (65), two driven racks (66) and two hemming blocks (67), be connected for sliding fit between gangbar (61) and fixed frame (3), connecting rod (62) are installed to the outer end of gangbar (61), two initiative racks (63) are installed to the lateral wall of connecting rod (62), connecting rod (62) are located between two extrusion mechanisms (64), extrusion mechanisms (64) are installed on fixed frame (3), two extrusion mechanisms (64) are located between two slide bars (65), be connected for sliding fit between slide bar (65) and fixed frame (3), driven rack (66) are installed to the interior terminal surface of slide bar (65), hemming block (67) are installed to the tip of slide bar (65).
2. The manufacturing, forming and processing technology of the new energy lithium battery shell as claimed in claim 1, is characterized in that: positioning unit (2) include cylinder (21), locating plate (22), suction chamber (23), connecting pipe (24) and aspirator pump (25), even have cylinder (21) between locating plate (22) and underframe (1), suction chamber (23) have been seted up on locating plate (22), be connected with connecting pipe (24) between suction chamber (23) and aspirator pump (25), aspirator pump (25) are installed on the inner wall of underframe (1).
3. The manufacturing, forming and processing technology of the new energy lithium battery shell as claimed in claim 2, is characterized in that: the positioning plate (22) is uniformly provided with air holes, and the air holes are communicated with the air suction cavity (23).
4. The manufacturing, forming and processing technology of the new energy lithium battery shell as claimed in claim 1, is characterized in that: one surface of the bending block (52) close to the positioning plate (22) is an arc-shaped surface, and a rubber layer is laid on the arc-shaped surface.
5. The manufacturing, forming and processing technology of the new energy lithium battery shell as claimed in claim 1, is characterized in that: the inner end of the linkage rod (61) is provided with a cylinder, and the cylinder is connected with the extrusion groove (43) in a sliding fit manner.
6. The manufacturing, forming and processing technology of the new energy lithium battery shell as claimed in claim 1, is characterized in that: the extrusion mechanism (64) comprises a rotating column (641), an arc-shaped rack (642) and an extrusion rod (643), the rotating column (641) is connected with the fixed frame (3) through a pin shaft, the arc-shaped rack (642) is installed on the edge of the rotating column (641), the extrusion rod (643) is installed at the inner end of the rotating column (641), the driving rack (63) is meshed with the inner side of the arc-shaped rack (642), and the outer side of the arc-shaped rack (642) is meshed with the driven rack (66).
7. The manufacturing, forming and processing technology of the new energy lithium battery shell as claimed in claim 1, is characterized in that: and a rubber pad is paved on the concave arc-shaped surface of the edge curling block (67).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010848797.6A CN112024679A (en) | 2020-08-21 | 2020-08-21 | New energy lithium battery shell manufacturing and forming processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010848797.6A CN112024679A (en) | 2020-08-21 | 2020-08-21 | New energy lithium battery shell manufacturing and forming processing technology |
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| CN112024679A true CN112024679A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010848797.6A Withdrawn CN112024679A (en) | 2020-08-21 | 2020-08-21 | New energy lithium battery shell manufacturing and forming processing technology |
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| CN107252840A (en) * | 2017-07-06 | 2017-10-17 | 浙江科博达工业有限公司 | Shell flanger |
| CN109954792A (en) * | 2017-12-25 | 2019-07-02 | 惠州市富池精工股份有限公司 | A kind of plate stamping technique and stamping equipment |
| CN110649186A (en) * | 2019-10-07 | 2020-01-03 | 南京理工大学北方研究院 | Production method of button lithium battery steel shell and battery thereof |
| CN110773636A (en) * | 2019-11-09 | 2020-02-11 | 柳兆华 | Compression molding machine and compression molding method for manufacturing integrated ceiling aluminum pinch plate |
| CN110883158A (en) * | 2019-12-24 | 2020-03-17 | 苏州苏宏模具有限公司 | Crimping structure of stamping part |
| CN110947811A (en) * | 2019-12-20 | 2020-04-03 | 田祥 | Aluminum alloy buckle plate stamping and flanging machine and stamping and flanging process thereof |
| CN111215500A (en) * | 2019-11-05 | 2020-06-02 | 宁波市翼腾精密制造有限公司 | Landing door plant four sides turning device |
| CN211150618U (en) * | 2019-12-03 | 2020-07-31 | 贵州民族大学 | Lithium ion battery shell body hem device |
-
2020
- 2020-08-21 CN CN202010848797.6A patent/CN112024679A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107252840A (en) * | 2017-07-06 | 2017-10-17 | 浙江科博达工业有限公司 | Shell flanger |
| CN109954792A (en) * | 2017-12-25 | 2019-07-02 | 惠州市富池精工股份有限公司 | A kind of plate stamping technique and stamping equipment |
| CN110649186A (en) * | 2019-10-07 | 2020-01-03 | 南京理工大学北方研究院 | Production method of button lithium battery steel shell and battery thereof |
| CN111215500A (en) * | 2019-11-05 | 2020-06-02 | 宁波市翼腾精密制造有限公司 | Landing door plant four sides turning device |
| CN110773636A (en) * | 2019-11-09 | 2020-02-11 | 柳兆华 | Compression molding machine and compression molding method for manufacturing integrated ceiling aluminum pinch plate |
| CN211150618U (en) * | 2019-12-03 | 2020-07-31 | 贵州民族大学 | Lithium ion battery shell body hem device |
| CN110947811A (en) * | 2019-12-20 | 2020-04-03 | 田祥 | Aluminum alloy buckle plate stamping and flanging machine and stamping and flanging process thereof |
| CN110883158A (en) * | 2019-12-24 | 2020-03-17 | 苏州苏宏模具有限公司 | Crimping structure of stamping part |
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Application publication date: 20201204 |
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