CN220077851U - Lithium battery negative plate blanking device for test - Google Patents
Lithium battery negative plate blanking device for test Download PDFInfo
- Publication number
- CN220077851U CN220077851U CN202322809521.9U CN202322809521U CN220077851U CN 220077851 U CN220077851 U CN 220077851U CN 202322809521 U CN202322809521 U CN 202322809521U CN 220077851 U CN220077851 U CN 220077851U
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- China
- Prior art keywords
- negative electrode
- lithium battery
- hole
- lifting
- battery negative
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011889 copper foil Substances 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000007773 negative electrode material Substances 0.000 abstract description 7
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000004154 testing of material Methods 0.000 abstract description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
A blanking device for a lithium battery negative plate for testing relates to the technical field of negative electrode material testing equipment and comprises a bearing unit, a blanking unit and a lifting unit. The bearing unit comprises a table body used for placing copper foil and moving the copper foil by workers, a through hole is formed in the table body, and a receiving cylinder coaxial with the through hole is arranged below the through hole. The blanking unit comprises an air pump, an air suction end of the air pump is provided with a telescopic pipe, and the lower end of the telescopic pipe is provided with a paper sheet sucker. The lifting unit is used for lifting the lower end of the telescopic pipe. The blanking device for the lithium battery negative electrode sheet for testing can assist staff in blanking and collecting the negative electrode sheet after die cutting of the lithium battery negative electrode sheet for testing is completed, and therefore working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of negative electrode material testing equipment, in particular to a lithium battery negative electrode piece blanking device for testing.
Background
After the lithium ion negative electrode material is produced, testing is needed, and a current common and convenient mode is that the lithium ion negative electrode material is manufactured into a button cell, the lithium ion button cell comprises a positive/negative electrode shell, a positive/negative electrode plate, a diaphragm, a gasket, a spring plate, electrolyte and the like, wherein the lithium ion negative electrode material is firstly coated on a copper foil when the negative electrode plate is manufactured, and then the lithium ion negative electrode material is subjected to die cutting through a special negative electrode plate die cutting machine, so that the negative electrode plate is convenient to follow-up blanking, and the die-cut negative electrode plate is still connected on the copper foil.
In the prior art, the negative electrode plate is manually and sequentially broken down by hands to carry out blanking, and because the negative electrode plate is soft and easy to deform, the negative electrode plate is possibly deformed due to careless operation, so that waste is caused, and the negative electrode plate is completely manually operated, so that the working efficiency is low.
Disclosure of Invention
According to the blanking device for the lithium battery negative plate for testing, disclosed by the utility model, the blanking device can assist a worker in blanking and collecting the negative plate after die cutting of the lithium battery negative plate for testing is completed, so that the working efficiency is improved.
In order to achieve the object of the present utility model, the following techniques are proposed:
a lithium battery negative electrode sheet blanking device for testing, comprising:
the bearing unit comprises a table body for a worker to place copper foil and move the copper foil, a through hole is formed in the table body, and a receiving cylinder coaxial with the through hole is arranged below the through hole;
the blanking unit comprises an air pump, wherein an air suction end of the air pump is provided with a telescopic pipe, and the lower end of the telescopic pipe is provided with a paper sheet sucker coaxial with the through hole;
and the lifting unit is used for lifting the lower end of the telescopic pipe.
Further, the standing groove is arranged below the through hole, and the receiving cylinder is assembled in the standing groove.
Further, the receiving cylinder is used for collecting the negative plate.
Further, a collar is also fixed on the outer peripheral side of the telescopic tube.
Further, the lifting unit comprises a vertically arranged linear mechanism, and a connecting rod is arranged on one side of the upper end of the output shaft of the lifting unit.
Further, the upper end of the output shaft of the linear mechanism is provided with a lifting plate, and the connecting rod is arranged at the lower end of one end part of the lifting plate.
The beneficial effects of this technical scheme lie in:
1. the negative electrode plate is stably contacted through the paper sucking disc, the negative electrode plate is fed, the negative electrode plate is stable in the descending process of the negative electrode plate, and the negative electrode plate can be prevented from deforming.
2. Through the automatic mode of supplementary negative pole piece unloading, can reduce manual operation step, improve work efficiency.
3. The negative plate collected in the material collecting barrel has the same orientation on the copper foil surface, so that the negative plate is convenient to use in the process of manufacturing button cells, and the problem that the negative plate is difficult to arrange in order after manual blanking can be avoided.
Drawings
Fig. 1 shows an overall perspective view of an embodiment of the utility model.
Fig. 2 shows a perspective view of a placement tank, a receiving cylinder and a bottom plate according to an embodiment of the utility model.
Figure 3 shows a perspective view of a telescopic tube, collar, lifting plate, connecting rod according to an embodiment of the present utility model.
Fig. 4 shows a perspective view of a copper foil coated with a negative electrode material and die-cut to form a negative electrode sheet according to an embodiment of the present utility model.
The marks in the figure: the device comprises a bearing unit (1), a table body (11), a through hole (12), a placing groove (13), a receiving cylinder (14), a bottom plate (15), a blanking unit (2), an air pump (21), an extension tube (22), a paper sheet sucker (23), a lantern ring (24), an exhaust pipe (25), a bracket (26), a lifting unit (3), a linear mechanism (31), a lifting plate (32), a connecting rod (33), a control unit (4), a copper foil (5) and a negative plate (51).
Detailed Description
The utility model is further described below with reference to the drawings and examples.
The blanking device for the lithium battery negative electrode sheet for testing shown in fig. 1-4 comprises a bearing unit 1, a blanking unit 2, a lifting unit 3 and a control unit 4.
The carrying unit 1 comprises a table body 11 used for placing copper foil 5 by workers and moving the copper foil 5, a through hole 12 is formed in the center position of the table body 11, a placing groove 13 is formed below the through hole 12, a receiving cylinder 14 used for collecting a negative plate 51 and coaxial with the through hole 12 is assembled in the placing groove 13, the receiving cylinder 14 is manually taken and placed from the placing groove 13 by workers, the inner diameter of the receiving cylinder 14 is matched with the diameter of the negative plate 51, the carrying unit 1 further comprises a bottom plate 15, and the table body 11 and the placing groove 13 are both fixed on the bottom plate 15.
The blanking unit 2 comprises an air pump 21, the suction end of the air pump 21 is provided with a telescopic tube 22, in the embodiment, the telescopic tube 22 comprises a transverse section, a winding end and a vertical section which extend outwards from the suction end, the transverse section can be a rigid tube, the winding end and the vertical section can be flexible tubes, the winding section is telescopic when the vertical section is lifted, the lower end of the vertical section of the telescopic tube 22 is provided with a paper sucking disc 23 coaxial with a through hole 12, the paper sucking disc 23 is used for pressing a negative electrode plate 51 from a die-cut copper foil 5 and continuously contacting the negative electrode plate 51 before falling into a placing groove 13, in operation, the paper sucking disc 23 can pass through the through hole 12 back and forth, and due to the similar softness of the negative electrode plate and paper sheets, the paper sucking disc 23 matched with the existing miniature vacuum suction and hanging equipment can be directly used, a lantern ring 24 is further fixed on the periphery side of the vertical section of the telescopic tube 22, in particular, the exhaust end of the air pump 21 is further provided with an exhaust pipe 25, the blanking unit 2 further comprises a bracket 26, and the air pump 21 is fixed on the bracket 26.
The lifting unit 3 is used for lifting the lower end of the telescopic tube 22 through the lifting collar 24, the lifting unit 3 comprises a vertically arranged linear mechanism 31, the linear mechanism 31 in the embodiment adopts a linear cylinder, the upper end of an output shaft of the linear mechanism 31 is provided with a lifting plate 32, specifically, the lifting plate 32 is an L-shaped plate, the lower end of one end of the lifting plate 32 is provided with a connecting rod 33 connected to the collar 24, and specifically, the connecting rod 33 is arranged at the lower end of the short side of the L-shaped plate.
The control unit 4 is electrically connected with the air pump 21 and the lifting unit 3, respectively, and for convenience of representation, wires for electrical connection are not shown in the drawings, a PLC controller is arranged in the control unit 4, the control unit 4 further comprises a display screen and a plurality of buttons, and the control unit 4 can control the lifting unit 3 to control the time interval and the descending height of the lifting of the lower end of the telescopic tube 22 and the starting time of the air pump 21.
Specifically, with the increase of the collection amount of the negative electrode sheet 51 in the receiving cylinder 14, the time interval for lifting the lower end of the extension tube 22 can be shortened after the negative electrode sheet 51 on each copper foil 5 is completely blanked, the lowest height to which the lower end of the extension tube 22 is lowered can be shortened, and the air pump 21 is started in the process of lowering the lower end of the extension tube 22, so that the time for starting the air pump 21 each time can be shortened.
In this embodiment, after the empty receiving cylinder 14 is placed in the placement tank 13, the initial period of raising and lowering the lower end of the bellows 22 is set to 5 seconds.
The working mode is as follows:
the staff puts the copper foil 5 on the table body 11, makes a negative plate 51 aim at the lower part of the paper sucking disc 23, then sets up on the control unit 4, and then the straight line mechanism 31 controls the connecting rod 33 to drive the lantern ring 24, thereby driving the vertical section of the telescopic pipe 22 to lift and lower.
When the paper sucking disc 23 descends, the air pump 21 is started, after the paper sucking disc 23 contacts the negative electrode plate 51, the negative electrode plate 51 is pressed down, and meanwhile, the negative electrode plate 51 can be stably sucked, the negative electrode plate 51 is prevented from falling and overturning in the receiving cylinder 14, so that the negative electrode plate 51 in the receiving cylinder 14 faces uniformly, the follow-up staff can take conveniently, and the button cell is assembled continuously.
When the paper sucking disc 23 is lifted, the air pump 21 is not operated, and after the paper sucking disc 23 is moved above the table body 11, the worker moves the copper foil 5 to align the next negative electrode sheet 51 below the paper sucking disc 23.
And the like until all the negative electrode plates 51 on the copper foil 5 are completely blanked, and then the copper foil 5 is replaced.
Preferably, if the number of the negative electrode pieces 51 on each copper foil 5 is large, the working efficiency of the lithium battery negative electrode piece blanking device for testing can be improved better.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present utility model without departing from the spirit and scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. The utility model provides a lithium cell negative plate glassware is gone down to test which characterized in that includes:
the bearing unit (1) comprises a table body (11) for a worker to place the copper foil (5) and move the copper foil, a through hole (12) is formed in the table body (11), and a receiving cylinder (14) coaxial with the through hole (12) is arranged below the through hole;
the blanking unit (2) comprises an air pump (21), a telescopic pipe (22) is arranged at the air suction end of the air pump (21), and a paper sheet sucker (23) coaxial with the through hole (12) is arranged at the lower end of the telescopic pipe (22);
and the lifting unit (3) is used for lifting the lower end of the telescopic pipe (22).
2. The lithium battery negative plate blanking device for testing according to claim 1, wherein a placing groove (13) is arranged below the through hole (12), and the receiving cylinder (14) is assembled in the placing groove (13).
3. The lithium battery negative electrode sheet blanking device for testing according to claim 1, characterized in that the receiving cylinder (14) is used for collecting the negative electrode sheet (51).
4. The lithium battery negative electrode sheet blanking device for testing according to claim 1, wherein a collar (24) is further fixed on the outer peripheral side of the telescopic tube (22).
5. The lithium battery negative plate blanking device for testing according to claim 1, characterized in that the lifting unit (3) comprises a vertically arranged linear mechanism (31), and one side of the upper end of the output shaft of the lifting unit is provided with a connecting rod (33).
6. The lithium battery negative plate blanking device for testing according to claim 5, wherein the upper end of the output shaft of the linear mechanism (31) is provided with a lifting plate (32), and the connecting rod (33) is arranged at the lower end of one end part of the lifting plate (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322809521.9U CN220077851U (en) | 2023-10-19 | 2023-10-19 | Lithium battery negative plate blanking device for test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322809521.9U CN220077851U (en) | 2023-10-19 | 2023-10-19 | Lithium battery negative plate blanking device for test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220077851U true CN220077851U (en) | 2023-11-24 |
Family
ID=88816053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322809521.9U Active CN220077851U (en) | 2023-10-19 | 2023-10-19 | Lithium battery negative plate blanking device for test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220077851U (en) |
-
2023
- 2023-10-19 CN CN202322809521.9U patent/CN220077851U/en active Active
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| GR01 | Patent grant |