CN213918666U - Special-shaped lithium ion secondary battery diaphragm cutting device - Google Patents
Special-shaped lithium ion secondary battery diaphragm cutting device Download PDFInfo
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- CN213918666U CN213918666U CN202023081239.6U CN202023081239U CN213918666U CN 213918666 U CN213918666 U CN 213918666U CN 202023081239 U CN202023081239 U CN 202023081239U CN 213918666 U CN213918666 U CN 213918666U
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- ion battery
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Abstract
The utility model relates to a special-shaped lithium ion secondary battery diaphragm cutting device, which comprises a heating wire and a lithium ion battery roll core fixing jig; the lithium ion battery roll core fixing jig comprises a covering fixing portion and an edge moving portion, the lithium ion battery roll core is clamped by the covering fixing portion of the lithium ion battery roll core fixing jig, the edge of the edge moving portion corresponds to an edge cutting line of the lithium ion battery roll core, and the electric heating wire is moved along the edge of the edge moving portion to cut a diaphragm of the lithium ion battery roll core. The equipment configuration cost is low, tool simple structure, and the die sinking is fast, and is random to special-shaped diaphragm cutting shape, and cutting operation process is simple, and the operation is fast, and product quality is stable.
Description
Technical Field
The utility model belongs to the technical field of special-shaped lithium ion secondary battery processing and specifically relates to a special-shaped lithium ion secondary battery diaphragm cutting device.
Background
With the development of the lithium ion battery industry, the requirements of various special-shaped lithium ion batteries are increasing day by day, and the shapes of the special-shaped lithium ion batteries are also different. The winding core of the special-shaped lithium ion battery is formed by an irregular positive plate, an irregular negative plate and a diaphragm which are subjected to die cutting in a winding or laminating production mode; because the positive plate and the negative plate are in irregular structures, redundant diaphragm parts exist in a coiled core after coiling or lamination;
at present, a laser cutting mode is generally adopted for cutting the diaphragm of the special-shaped lithium ion battery, laser cutting and matched equipment are required to be input for cutting the diaphragm by using laser, equipment configuration input is high, the requirements on the precision and the complexity of a corresponding jig are also high, and high input means that the production cost of the special-shaped lithium ion battery is also high. This patent is to the problem that dysmorphism lithium ion battery diaphragm cutting is with high costs, designs a dysmorphism lithium ion secondary battery diaphragm cutting device and reduces the cutting cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dysmorphism lithium ion secondary battery diaphragm cutting device in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a special-shaped lithium ion secondary battery diaphragm cutting device comprises an electric heating wire and a lithium ion battery winding core fixing jig;
the lithium ion battery roll core fixing jig comprises a covering fixing portion and an edge moving portion, the lithium ion battery roll core is clamped by the covering fixing portion of the lithium ion battery roll core fixing jig, the edge of the edge moving portion corresponds to an edge cutting line of the lithium ion battery roll core, and the electric heating wire is moved along the edge of the edge moving portion to cut a diaphragm of the lithium ion battery roll core.
Further, the electric heating wire is connected with electricity, and the heating temperature of the electric heating wire is 150-.
Furthermore, an included angle of 30-90 degrees is formed between the electric heating wire and the diaphragm on the surface of the lithium ion battery roll core.
Further, the edge trend portion and the cover fixed portion are of a split structure, and the edge trend portion is connected to the cover fixed portion quickly.
Further, the area of the covering fixing part is smaller than that of the lithium ion battery winding core.
The utility model has the advantages that: when the device uses, lithium ion battery rolls up the core and is rolled up the fixed part centre gripping of the fixed tool of core by lithium ion battery's cover, the edge of edge trend portion corresponds with the edge line of cut of lithium ion battery roll core, move the heating wire along the edge of edge trend portion, make the heating wire cut the diaphragm that lithium ion battery rolled up the core, structural design can be carried out according to the requirement of cutting to edge trend portion, equipment configuration is with low costs, tool simple structure, the die sinking speed is fast, and it is random to special-shaped diaphragm cutting shape, cutting operation process is simple, the operation is fast, and the product quality is stable.
Drawings
Fig. 1 is a schematic view of the present invention.
Detailed Description
As shown in fig. 1, a cutting device for a special-shaped lithium ion secondary battery diaphragm comprises an electric heating wire 1 and a lithium ion battery winding core fixing jig 2;
lithium ion battery rolls up core fixed fixture 2 and includes that cover fixed part 21 and edge move towards portion 22, and lithium ion battery rolls up core 3 and is rolled up the core fixed fixture's of lithium ion battery cover fixed part 21 centre gripping, and the edge of edge move towards portion 22 corresponds with the edge line of cut of lithium ion battery roll core 3, moves heating wire 1 along the edge of edge move towards portion, makes heating wire 1 cut the unnecessary part 4 of diaphragm that lithium ion battery rolled up core 3.
Wherein, the heating wire 1 is connected with electricity, and the heating temperature of the heating wire 1 is 150-. An included angle of 30-90 degrees is formed between the electric heating wire 1 and the diaphragm on the surface of the lithium ion battery roll core 3. The edge-oriented part 22 and the cover fixing part 21 are of a separate structure, and the edge-oriented part 22 is connected to the cover fixing part 21 quickly.
Preferably, the area covering the fixing portion 21 is smaller than the area of the lithium ion battery winding core 3.
When the device uses, lithium ion battery rolls up core 3 and is rolled up the fixed tool's of cover fixed part 21 centre gripping by lithium ion battery, the edge that edge trend portion 22 rolled up the edge line of cutting that core 3 corresponds with lithium ion battery, edge along trend portion 22 removes heating wire 1, make heating wire 1 cut the diaphragm that lithium ion battery rolled up the core, edge trend portion can carry out structural design according to the requirement of cutting, equipment configuration is with low costs, tool simple structure, the mold opening is fast, and it is random to special-shaped diaphragm cutting shape, cutting operation process is simple, the operation is fast, and the product quality is stable.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A special-shaped lithium ion secondary battery diaphragm cutting device is characterized by comprising an electric heating wire and a lithium ion battery winding core fixing jig;
the lithium ion battery roll core fixing jig comprises a covering fixing portion and an edge moving portion, the lithium ion battery roll core is clamped by the covering fixing portion of the lithium ion battery roll core fixing jig, the edge of the edge moving portion corresponds to an edge cutting line of the lithium ion battery roll core, and the electric heating wire is moved along the edge of the edge moving portion to cut a diaphragm of the lithium ion battery roll core.
2. The special-shaped lithium ion secondary battery separator cutting device as claimed in claim 1, wherein the heating wire is electrically connected, and the heating temperature of the heating wire is 150-500 ℃.
3. The special-shaped lithium ion secondary battery separator cutting device according to claim 2, wherein an included angle of 30-90 degrees is formed between the electric heating wire and the separator on the surface of the lithium ion battery roll core.
4. The special-shaped lithium ion secondary battery diaphragm cutting device as claimed in claim 2, wherein the edge part and the cover fixing part are of a separate structure, and the edge part is connected to the cover fixing part in a quick manner.
5. The special-shaped lithium ion secondary battery separator cutting device according to claim 2, wherein the area of the covering and fixing part is smaller than the area of a lithium ion battery winding core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023081239.6U CN213918666U (en) | 2020-12-21 | 2020-12-21 | Special-shaped lithium ion secondary battery diaphragm cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023081239.6U CN213918666U (en) | 2020-12-21 | 2020-12-21 | Special-shaped lithium ion secondary battery diaphragm cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213918666U true CN213918666U (en) | 2021-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023081239.6U Active CN213918666U (en) | 2020-12-21 | 2020-12-21 | Special-shaped lithium ion secondary battery diaphragm cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213918666U (en) |
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2020
- 2020-12-21 CN CN202023081239.6U patent/CN213918666U/en active Active
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