CN211463726U - Lithium ion battery positive pole coating drum limit improves device - Google Patents
Lithium ion battery positive pole coating drum limit improves device Download PDFInfo
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- CN211463726U CN211463726U CN201921943386.4U CN201921943386U CN211463726U CN 211463726 U CN211463726 U CN 211463726U CN 201921943386 U CN201921943386 U CN 201921943386U CN 211463726 U CN211463726 U CN 211463726U
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Abstract
The utility model relates to a lithium ion battery technical field just discloses a device is improved to anodal coating drum limit of lithium ion battery. The device for improving the coating bulge of the anode of the lithium ion battery comprises an anode coating machine gasket, a positioning hole, a convex sheet, a gasket die head and a gasket chamfer, wherein the positioning hole is formed in the front side, close to the top end, of the anode coating machine gasket, the convex sheet is fixedly installed on one side, close to the positioning hole, of the top end of the anode coating machine gasket, the lower end of the positioning hole is close to the die head for fixedly installing the gasket at the bottom of the anode coating machine gasket, and the gasket chamfer is formed in. This anodal coating drum limit of lithium ion battery improves device, anodal coating machine gasket bottom fixed mounting rectangle piece, gasket die head and anodal coating machine gasket bottom fixed connection, the gasket chamfer is seted up on gasket die head top, and the gasket chamfer after improving is to the anodal pole piece coating of lithium ion battery, cut, improves product quality and productivity, and anodal coating machine gasket openly sets up the locating hole, and the device installation of being convenient for is fixed.
Description
Technical Field
The utility model relates to a lithium ion battery technical field specifically is a device is improved to anodal coating drum limit of lithium ion battery.
Background
Lithium ion batteries have been widely used in many mobile devices in the fields of national defense, industry and civilian use because of their advantages of high energy density, small size, long service life, small self-discharge, etc. Along with the development of manufacturing industry in recent years, the production process of lithium ions is also gradually in line automation, wherein extrusion type coating machine heads are mostly used for coating the lithium battery pole pieces, the coating efficiency of the coating equipment is high, but the thickness of slurry coated at the junction of the coating area of the pole pieces and the empty foil area is far larger than that of the coating middle area, the slurry shrinks in the drying process to generate edge bulging, the strips are easily broken and the pole pieces are scrapped in the winding process of the pole pieces, and the production efficiency and the quality of the pole pieces are also seriously reduced while the pole pieces and the foil materials are wasted.
The lithium ion battery is the most valuable power battery with development prospect at present, and the currently applicable types are mainly industrial vehicles such as forklifts, ships, base stations, energy storage, two-three-wheeled electric vehicles and the like. The development of the lithium ion battery industry is not free from continuous innovation and improvement of the technology, and the quality control of the power battery still needs to be further improved by the lithium ion battery which is put into mass production at present.
The anode coating is an essential key process in the production process of the lithium ion battery, and the most critical part is an anode coating machine (EDI die head) gasket. The total gasket size of the currently available positive coating machine (EDI die) is 938 × 203.15mm, and the chamfer size of the positive coating gasket is 1 × 6 mm. The coating edge of the positive pole piece of the lithium ion battery bulges irregularly in the operation process of the equipment, so that the pole piece is wavy during slitting, and the winding uniformity, the performance capacity and the safety performance are slightly influenced, so that hidden dangers exist. The pole pieces are directly scrapped, the yield and the quality of the pole pieces are affected, and the increase of time and cost are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a lithium ion battery anodal coating drum limit improves device possesses product productivity, quality, and advantage such as easy and simple to handle have solved the problem of proposing among the above-mentioned background art.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a anodal coating drum limit of lithium ion battery improves device, includes anodal coating machine gasket, anodal coating machine gasket openly is close to the top and has seted up the locating hole, anodal coating machine gasket openly is close to the locating hole downside and has seted up circular through-hole, anodal coating machine gasket openly is close to circular through-hole one side and has seted up the aperture, anodal coating machine gasket top is close to locating hole one side fixed mounting convex piece, anodal coating machine gasket openly is close to the middle part and has seted up the centre bore, the centre bore right side is close to locating hole one side anodal coating machine gasket outer wall and has seted up the rectangular hole, the rectangular hole lower extreme is close to anodal coating machine gasket bottom fixed mounting gasket die head, the gasket chamfer has.
Furthermore, a positioning hole is formed in one side of the front face of the positive pole coating machine gasket, circular through holes are formed in the lower side of the positioning hole, the number of the positioning holes is four, and the diameter size of the positioning hole is larger than that of the circular through holes.
Further, circular through-holes have been seted up to anodal coating machine gasket upper surface, the aperture has been seted up to the positive one side of circular through-hole, the positive middle part of anodal coating machine gasket has been seted up the centre bore, circular through-hole diameter size is greater than aperture diameter size, and the quantity is sixteen, circular through-hole uses the central line of centre bore to distribute at the centre bore both sides as symmetry axis symmetry.
Further, the number of the gasket chamfers is four.
Furthermore, the gasket die heads are arranged on the inner sides of the rectangular sheets, and the number of the rectangular sheets and the number of the gasket die heads are two.
Further, the top end of the positive pole coating machine gasket is fixedly provided with a convex piece, the middle of the front face of the positive pole coating machine gasket is provided with a center hole, and the convex pieces are symmetrically distributed on two sides of the outer wall of the top end of the positive pole coating machine gasket by taking the center line of the center hole as a symmetry axis.
The utility model has the advantages that:
1. this lithium ion battery positive pole coating drum limit improves device is close to bottom fixed mounting rectangle piece through anodal coating machine gasket top, and the inboard gasket die head of rectangle piece and anodal coating machine gasket bottom fixed connection have been seted up on gasket die head top, and the gasket chamfer after the accessible improves to lithium ion battery positive pole piece coating, cuts, improves product quality and productivity.
2. This anodal coating drum limit of lithium ion battery improves device, openly one side through anodal coating machine gasket is seted up the locating hole, the device fixed mounting of being convenient for, the locating hole downside is located anodal coating machine gasket outer wall and sets up circular through-hole, gasket die head top and anodal coating machine gasket bottom fixed connection, rectangle piece fixed mounting is in anodal coating machine gasket bottom, the top fixed mounting convex piece of anodal coating machine gasket both sides, the operation of the device of being convenient for is used.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the back side of the gasket of the positive electrode coating machine of the present invention;
figure 3 is the utility model discloses gasket die head enlarger.
Description of reference numerals: 1-positive pole coating machine gasket, 2-positioning hole, 3-round through hole, 4-rectangular hole, 5-small hole, 6-convex sheet, 7-rectangular sheet, 8-gasket die head, 9-gasket chamfer and 10-center hole.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-3, a lithium ion battery anode coating edge-bulging improving device comprises an anode coater gasket 1, wherein one side of the front surface of the anode coater gasket 1 is provided with a positioning hole 2, the front surface of the anode coater gasket 1 is provided with a circular through hole 3 close to the lower side of the positioning hole 2, one side of the front surface of the anode coater gasket 1 is provided with a positioning hole 2, the lower side of the positioning hole 2 is provided with a circular through hole 3, the number of the positioning holes 2 is four, the diameter of the positioning hole 2 is larger than that of the circular through hole 3, one side of the front surface of the anode coater gasket 1 is provided with a small hole 5, the upper surface of the anode coater gasket 1 is provided with a circular through hole 3, one side of the front surface of the circular through hole 3 is provided with a small hole 5, the middle, the circular through holes 3 are symmetrically distributed on two sides of the central hole 10 by taking the central line of the central hole 10 as a symmetry axis, the convex pieces 6 are fixedly arranged at the top end of the gasket 1 of the positive pole coating machine close to one side of the positioning hole 2, the convex pieces 6 are fixedly arranged at the top end of the gasket 1 of the positive pole coating machine, the central hole 10 is arranged at the middle part of the front surface of the gasket 1 of the positive pole coating machine, the convex pieces 6 are symmetrically distributed on two sides of the outer wall of the top end of the gasket 1 of the positive pole coating machine by taking the central line of the central hole 10 as the symmetry axis, the central hole 10 is arranged at the front surface of the gasket 1 of the positive pole coating machine close to the middle part, the rectangular hole 4 is arranged at the outer wall of the gasket 1 of the right side of the central, gasket chamfer 9 has been seted up on 8 tops of gasket die heads, and gasket chamfer 9 quantity is four, and 1 top of anodal coating machine gasket is close to bottom fixed mounting rectangle piece 7, and 7 inboards of rectangle piece are provided with gasket die heads 8, and rectangle piece 7 and 8 quantity of gasket die heads are two.
The working principle is as follows: when using, through 1 top fixed mounting convex piece 6 of anodal coating machine gasket, locating hole 2 sets up at 1 upper surface of anodal coating machine gasket, install fixedly to the device, 1 outer wall of anodal coating machine gasket is close to location 2 hole right side fixed mounting rectangular hole 4, 6 downside of convex piece is close to 1 top fixed mounting rectangular piece 4 of anodal coating machine gasket, 8 tops of gasket die head and the 1 bottom fixed connection of anodal coating machine gasket of 10 lower extreme both sides of centre bore, gasket chamfer 9 sets up on 8 tops of gasket die head, coat the anodal pole piece of lithium ion battery through gasket chamfer 9, cut.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a lithium ion battery is anodal coating drum limit and is improved device, includes anodal coating machine gasket (1), its characterized in that: the positive pole coating machine gasket (1) is provided with a positioning hole (2) close to the top end in the front, the positive pole coating machine gasket (1) is provided with a round through hole (3) close to the lower side of the positioning hole (2) in the front, the positive pole coating machine gasket (1) is provided with a small hole (5) close to one side of the round through hole (3) in the front, a convex sheet (6) is fixedly arranged on one side of the positive pole coating machine gasket (1) close to the positioning hole (2) in the front, the positive pole coating machine gasket (1) is provided with a central hole (10) close to the middle part in the front, the outer wall of the positive pole coating machine gasket (1) close to one side of the positioning hole (2) in the right side of the central hole (10) is provided with a rectangular hole (4), the lower end of the rectangular hole (, the top end of the positive pole coating machine gasket (1) is close to the bottom and is fixedly provided with a rectangular sheet (7).
2. The lithium ion battery positive electrode coating drum edge improving device according to claim 1, characterized in that: the positive pole coating machine gasket (1) openly one side seted up locating hole (2), circular through-hole (3) have been seted up to locating hole (2) downside, and locating hole (2) quantity is four, and locating hole (2) diameter size is greater than circular through-hole (3) diameter size.
3. The lithium ion battery positive electrode coating drum edge improving device according to claim 1, characterized in that: circular through-hole (3) have been seted up to anodal coating machine gasket (1) upper surface, aperture (5) have been seted up to circular through-hole (3) openly one side, centre bore (10) have been seted up at anodal coating machine gasket (1) openly middle part, circular through-hole (3) diameter size is greater than aperture (5) diameter size, and quantity is sixteen, the central line that circular through-hole (3) used centre bore (10) distributes in centre bore (10) both sides as symmetry axis symmetry.
4. The lithium ion battery positive electrode coating drum edge improving device according to claim 1, characterized in that: the number of the gasket chamfers (9) is four.
5. The lithium ion battery positive electrode coating drum edge improving device according to claim 1, characterized in that: the gasket die heads (8) are arranged on the inner sides of the rectangular sheets (7), and the number of the rectangular sheets (7) and the number of the gasket die heads (8) are two.
6. The lithium ion battery positive electrode coating drum edge improving device according to claim 1, characterized in that: the positive pole coating machine gasket (1) top fixed mounting has convex piece (6), positive pole coating machine gasket (1) openly middle part is provided with centre bore (10), convex piece (6) use the central line of centre bore (10) as symmetry axis symmetric distribution in positive pole coating machine gasket (1) top outer wall both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921943386.4U CN211463726U (en) | 2019-11-12 | 2019-11-12 | Lithium ion battery positive pole coating drum limit improves device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921943386.4U CN211463726U (en) | 2019-11-12 | 2019-11-12 | Lithium ion battery positive pole coating drum limit improves device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211463726U true CN211463726U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921943386.4U Active CN211463726U (en) | 2019-11-12 | 2019-11-12 | Lithium ion battery positive pole coating drum limit improves device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211463726U (en) |
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2019
- 2019-11-12 CN CN201921943386.4U patent/CN211463726U/en active Active
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