CN215377478U - Full utmost point ear cylinder electricity core is rubbed flat spinning die head device - Google Patents
Full utmost point ear cylinder electricity core is rubbed flat spinning die head device Download PDFInfo
- Publication number
- CN215377478U CN215377478U CN202120657898.5U CN202120657898U CN215377478U CN 215377478 U CN215377478 U CN 215377478U CN 202120657898 U CN202120657898 U CN 202120657898U CN 215377478 U CN215377478 U CN 215377478U
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- CN
- China
- Prior art keywords
- spinning
- rotating chassis
- head
- full
- spinning head
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- 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.)
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- 238000009987 spinning Methods 0.000 title claims abstract description 46
- 230000005611 electricity Effects 0.000 title description 2
- 238000004898 kneading Methods 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a full-lug cylindrical battery cell flat-kneading and spinning die head device which comprises a rotating chassis, wherein a spinning head is rotatably arranged on one side surface of the rotating chassis, the spinning head is rotatably arranged on the rotating chassis and is conical, the large head end of the spinning head is connected with an extrusion part, and the small head end of the spinning head faces to the center of the rotating chassis and deviates from the center of the rotating chassis. The center of the spinning head and the rotating chassis deflects, so that the spinning head rotates around the revolution direction of the rotating chassis and the spinning head self to generate a certain angle, an inward or outward pressure is further generated on the contact surface of the tab, the tab is made to fall down directionally, and the tab is prevented from being in contact with the shell due to flattening.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a full-lug cylindrical battery cell kneading and flat-spinning die head device.
Background
The existing high-capacity cylindrical lithium ion battery mostly adopts a full-pole lug type positive electrode and a full-pole lug type negative electrode. Because the foil-shaped body of the pole lug end face is thin in thickness, when the foil-shaped body is welded with the current collecting plate, a local area of the end face cannot be in contact welding with the current collecting plate, so that the welding area is unstable, the welding strength is low, and the internal resistance of the battery is high, so that the pole lug end face of the core winding body needs to be shaped before the current collecting plate is welded.
The shaping mode that usually adopts just contains machinery and rubs flat, machinery rubs flat and is to adopt mechanical component rotatory extrusion utmost point ear to rub flat mode to the utmost point ear position terminal surface of lithium ion battery and carry out the plastic, and current mechanical component structure is shown as figure 1, but this mechanical component is at the in-process of rotatory extrusion utmost point ear, utmost point ear pressurized lodging, and the direction of lodging inconsistent can lead to rolling up the core and have the short circuit risk, if outside utmost point ear lodging direction is outside, have the risk of connecting electrode and casing, cause the casing electrified, and then produce burden short and short circuit fault.
SUMMERY OF THE UTILITY MODEL
Based on the technical problems in the background art, the utility model provides a full-lug cylindrical battery cell kneading and flat-spinning die head device.
The utility model provides a full-lug cylindrical battery cell flat-kneading and spinning die head device which comprises a rotating chassis, wherein a spinning head is rotatably arranged on one side surface of the rotating chassis, the spinning head is rotatably arranged on the rotating chassis and is conical, the large head end of the spinning head is connected with an extrusion part, and the small head end of the spinning head faces to the center of the rotating chassis and deviates from the center of the rotating chassis.
Preferably, the small end of the spinning head is offset from the center of the rotating chassis by 1-2 mm.
Preferably, the middle part of the rotary chassis is provided with a vent hole
Preferably, the rotating chassis is provided with a base, and the spinning head is rotatably arranged on the base through a rolling shaft.
Preferably, the rotary pressing heads are three in number and are circumferentially and uniformly distributed on the rotary chassis.
The utility model provides a full-lug cylindrical battery cell flattening spinning die head device, wherein a spinning head and the center of a rotating chassis deflect by 1mm-2mm, so that the spinning head rotates by itself at a certain angle around the revolution direction of the rotating chassis, an inward or outward pressure is further generated on a contact surface of a lug, the lug is made to fall down directionally, and the lug is prevented from contacting a shell due to flattening.
Drawings
FIG. 1 is a schematic structural view of a conventional mechanical kneading head;
fig. 2 is a schematic structural diagram of a full-tab cylindrical cell flat-kneading spinning die head device provided by the utility model.
Detailed Description
Referring to fig. 2, the utility model provides a full-lug cylindrical battery cell kneading and leveling spinning die head device, which comprises a rotating chassis 1, wherein the middle part of the rotating chassis 1 is provided with a vent hole.
Three bases are installed to a side of rotary chassis 1, and three bases are circumference evenly distributed on rotary chassis 1. The base is rotatably provided with a spinning head 2 through a rolling shaft, the spinning head 2 is rotatably arranged on a rotating chassis 1, the spinning head 2 is conical, the large head end of the spinning head 2 is connected with the extrusion part, and the small head end of the spinning head faces the center of the rotating chassis 1 and deviates from the center of the rotating chassis 1 by 1-2 mm.
The center of the spinning head 2 and the center of the rotating chassis 1 deflect 1mm-2mm, so that the spinning head 2 rotates around the revolution direction of the rotating chassis 1 and the spinning head 2 per se to generate a certain angle, an inward or outward pressure is further generated on a contact surface of a tab, the tab is made to fall down directionally, and the tab is prevented from being in contact with a shell due to flattening.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a flat spinning die head device is rubbed to full utmost point ear cylinder electric core which characterized in that, including rotating chassis (1), one side of rotating chassis (1) rotates and installs spinning head (2), and spinning head (2) rotate and install on rotating chassis (1), and spinning head (2) are conical, and the major part end and the extrusion portion of spinning head (2) are connected and its tip end is towards the center of rotating chassis (1) and the center of skew rotating chassis (1).
2. The full-lug cylindrical cell flattening spinning die head device according to claim 1, characterized in that the small end of the spinning head (2) deviates from the center of the rotating chassis (1) by 1-2 mm.
3. The full-lug cylindrical battery cell kneading and leveling spinning die head device according to claim 1, wherein the middle part of the spinning chassis (1) is provided with an air vent
4. The full-lug cylindrical cell flattening and spinning die head device according to any one of claims 1-3, characterized in that a base (3) is mounted on the rotating chassis (1), and the spinning head (2) is rotatably mounted on the base (3) through a roller.
5. The full-lug cylindrical cell flattening spinning die head device according to any one of claims 1-3, characterized in that three spinning heads (2) are provided, and the three spinning heads (2) are circumferentially and uniformly distributed on the rotating chassis (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120657898.5U CN215377478U (en) | 2021-03-31 | 2021-03-31 | Full utmost point ear cylinder electricity core is rubbed flat spinning die head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120657898.5U CN215377478U (en) | 2021-03-31 | 2021-03-31 | Full utmost point ear cylinder electricity core is rubbed flat spinning die head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215377478U true CN215377478U (en) | 2021-12-31 |
Family
ID=79625668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120657898.5U Active CN215377478U (en) | 2021-03-31 | 2021-03-31 | Full utmost point ear cylinder electricity core is rubbed flat spinning die head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215377478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523018A (en) * | 2022-02-18 | 2022-05-24 | 湖南时代联合新能源有限公司 | Electricity core mass flow body terminal surface leveling device |
-
2021
- 2021-03-31 CN CN202120657898.5U patent/CN215377478U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523018A (en) * | 2022-02-18 | 2022-05-24 | 湖南时代联合新能源有限公司 | Electricity core mass flow body terminal surface leveling device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |