CN211554251U - Square-shell lithium battery formation test fixture - Google Patents
Square-shell lithium battery formation test fixture Download PDFInfo
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- CN211554251U CN211554251U CN201921980320.2U CN201921980320U CN211554251U CN 211554251 U CN211554251 U CN 211554251U CN 201921980320 U CN201921980320 U CN 201921980320U CN 211554251 U CN211554251 U CN 211554251U
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Abstract
The utility model provides a square-casing lithium cellization becomes test fixture, includes base, curb plate and apron, and the base both sides are provided with the curb plate, are provided with the apron on two curb plates, are provided with the installation unit on the base, are provided with the centre gripping unit on the apron, are provided with pressure regulating unit and the control unit on two curb plates respectively, and pressure regulating unit and the control unit all are connected with the centre gripping unit. The utility model discloses can be applicable to the square shell lithium ion battery of different shape size, simple structure, the cost is lower, simple to operate, and preparation cycle is short, along with doing and using.
Description
Technical Field
The utility model belongs to the test fixture field especially relates to a square casing lithium cellization becomes test fixture.
Background
With the wider application of the lithium ion battery, the battery needs to be formed and subjected to capacity grading and performance testing in the production process of the lithium ion battery; the types of the existing lithium ion batteries are various, so that the formation equipment of the same type of battery cannot meet the use requirements of the lithium batteries of different types. However, the test equipment is generally complex in structure and high in manufacturing cost, and in order to save cost and time, the test fixture with a simple structure is designed, so that the test fixture is convenient to install, simple and rapid to operate and convenient to popularize and apply.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a square-casing lithium cellization becomes test fixture to it is complicated to solve current test equipment structure, technical problem that manufacturing cost is big.
In order to achieve the above object, the utility model discloses a square-shell lithium cellization becomes test fixture's concrete technical scheme as follows:
the utility model provides a square-casing lithium cellization becomes test fixture, includes base, curb plate and apron, the base both sides are provided with the curb plate, two be provided with the apron on the curb plate, be provided with the installation unit on the base, be provided with the centre gripping unit on the apron, be provided with pressure regulating unit and the control unit on two curb plates respectively, pressure regulating unit and the control unit all with the centre gripping unit is connected.
The utility model discloses in, it is preferred, the centre gripping unit is including setting up cylinder on the apron, the clamp plate is connected to the cylinder, the clamp plate is kept away from the one end of cylinder is provided with a plurality of battery probes.
In the present invention, preferably, the battery probe is close to one end of the base is provided with a sealing pad.
The utility model discloses in, it is preferred, cylinder extension bar is installed with clamp plate joint department to the cylinder, be provided with the gasket between cylinder extension bar and clamp plate.
The utility model discloses in, it is preferred, be provided with the guide pillar between base and apron, the guide pillar runs through the clamp plate, guide pillar and clamp plate contact department cover are equipped with the copper guide pin bushing.
The utility model discloses in, it is preferred, be provided with a plurality of nozzles on the clamp plate, the nozzle is corresponding with the notes liquid hole of battery.
The utility model discloses in, it is preferred, the pressure regulating unit is for setting up air-vent valve on the curb plate.
In the utility model discloses in, it is preferred, the installation unit is for setting up if dry battery notch on the base.
In the present invention, preferably, the control unit is a hand-operated valve.
In the present invention, preferably, the surface of the pressing plate is provided with a reinforcing rib.
The utility model discloses a square shell lithium cellization becomes test fixture has following advantage: due to the adoption of the formation clamp designed by the invention, square-shell lithium ion batteries with different shapes and sizes can be used (by changing the sizes of the base and the pressing plate), and corresponding formation equipment is not required to be purchased specially for lithium batteries with different models.
Drawings
Fig. 1 is a front view of a square-shell lithium battery formation test fixture of the present invention;
fig. 2 is an axial view of the square-shell lithium battery formation test fixture of the present invention;
fig. 3 is a top view of the square-shell lithium battery formation test fixture of the present invention;
the notation in the figure is: 1. a side plate; 2. a cover plate; 3. a base; 4. a guide post; 5. an exhaust nozzle; 6. a gasket; 7. pressing a plate; 8. reinforcing ribs; 9. a battery slot opening; 10. a cylinder; 11. a gasket; 12. a copper guide sleeve; 13. a cylinder lengthening rod; 14. a hand-operated valve; 15. a pressure reducing valve; 16. a battery probe.
Detailed Description
In order to understand the utility model discloses a purpose, structure and function better, below combine the figure, right the utility model relates to a square casing lithium cellization becomes test fixture and does further detailed description.
As shown in fig. 1-3, the utility model discloses owing to adopted the formation test fixture of this design, the square-shell lithium ion battery of different shapes size can all use (through changing base and clamp plate size), need not purchase corresponding formation equipment specially to the lithium cell of different models, and this invention simple structure, the cost is lower, simple to operate, and the preparation cycle is short, follows to do and use along with. The clamp is simple and quick in manual operation and convenient to install, can enable the battery probe to be in close contact with the positive and negative poles of the battery, and meets the requirements of battery formation and capacity-grading charging multiplying power.
The utility model provides a square-casing lithium cellization becomes test fixture, includes base 3, curb plate 1 and apron 2, 3 both sides of base are provided with curb plate 1, two be provided with apron 2 on the curb plate 1, be provided with the installation unit on the base 3, be provided with the centre gripping unit on the apron 2, be provided with pressure regulating unit and control unit on two curb plates 1 respectively, pressure regulating unit and control unit all with the centre gripping unit is connected, and test fixture has the pressure regulating unit, and when too big to atmospheric pressure, can adjust atmospheric pressure, prevent to cause the harm because of pressure is too big to the battery.
In this embodiment, the clamping unit includes setting up cylinder 10 on the apron 2, pressure plate 7 is connected to cylinder 10, pressure plate 7 is kept away from the one end of cylinder 10 is provided with a plurality of battery probes 16, promotes pressure plate 7 through cylinder 10 and steps up the battery for battery probes 16 and the contact of battery positive and negative utmost point post on the pressure plate 7. The battery probe 16 structure is adopted by the invention and is connected to the pressure plate 7 of the test fixture by bolts.
In this embodiment, a sealing gasket 6 is disposed at one end of the battery probe 16 close to the base 3, and the sealing gasket 6 is made of fluororubber, so that the battery probe has high corrosion resistance and can prevent leakage of the battery.
In this embodiment, cylinder extension bar 13 is installed with clamp plate 7 junction to cylinder 10, be provided with gasket 11 between cylinder extension bar 13 and clamp plate 7, cylinder 10 can adjust the cylinder 10 stroke through installing cylinder extension bar 13 in the junction, can be used to test the square-shell lithium ion battery of co-altitude not.
In the embodiment, a guide post 4 is arranged between the base 3 and the cover plate 2, the guide post 4 penetrates through the pressing plate 7, a copper guide sleeve 12 is sleeved at the contact position of the guide post 4 and the pressing plate 7, and the copper guide sleeves 12 are arranged at two ends of the pressing plate 7, so that the friction between the pressing plate 7 and the guide post 4 is reduced, and the pressing plate 7 is prevented from being abraded.
In the embodiment, the pressure plate 7 is provided with a plurality of exhaust nozzles 5, the exhaust nozzles 5 correspond to the liquid injection holes of the batteries, and the exhaust nozzles 5 are connected with the liquid injection holes of the batteries, so that the gas generated by the batteries can be exhausted into the liquid accumulation box through the gas pipe;
in the present embodiment, the exhaust nozzle 5 is an aluminum exhaust nozzle 5, and is not easily deformed at high temperatures. The exhaust nozzle 5 is screwed on the pressing plate 7 through the bolt pressure regulating valve and used for lithium battery formation exhaust, and the sealing gasket 6 is arranged below the exhaust nozzle 5, so that liquid leakage or untight sealing during battery formation is avoided.
In the present embodiment, the pressure adjusting unit is a pressure adjusting valve provided on the side plate 1, and the clamp is provided with a pressure adjusting valve, so that the pressure of the cylinder 10 can be adjusted, and the deformation and damage of the battery caused by the excessive pressure of the cylinder 10 can be avoided.
In this embodiment, the mounting unit is a plurality of dry battery notches 9 arranged on the base 3, and battery notches 9 with corresponding shapes are formed on the test fixture base 3 for fixing batteries without deviation.
In the present embodiment, the control unit is a manual valve 14, and the cylinder 10 is controlled to ascend and descend by rotating the manual valve 14.
In the present embodiment, the surface of the pressure plate 7 is provided with a rib 8.
The working principle is as follows:
1. firstly, assembling the clamp according to the requirements of a drawing, then connecting an air pipe, and debugging the air cylinder 10 and the pressure reducing valve 15 to be at proper height positions;
2. the formation clamp can simultaneously place 4 batteries for formation testing, the batteries are placed in the battery notch 9 and fixed, the length of the cylinder extension rod 13 is adjusted, so that when the cylinder 10 is compressed, the battery probe 16 can be in close contact with the surfaces of the positive and negative pole terminals of the batteries, and the current is guaranteed to pass smoothly. Meanwhile, the position of the exhaust nozzle is also adjusted, and whether the sealing gasket 6 is aligned and compressed with the liquid injection nozzle or not is observed.
3. After the battery and probe are adjusted, the lug can be connected to the battery probe 16, and the hand-operated valve 14 is manually turned to see if it is in normal use and if the probe nut is tightened.
4. One end of the liquid injection nozzle is connected with an exhaust pipe, and the exhaust pipe is connected in the liquid accumulation cup and used for collecting gas exhausted when the battery is formed.
Four batteries can be placed in this design for same anchor clamps once can become four batteries, improve battery formation efficiency of software testing and progress.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (10)
1. The utility model provides a square-casing lithium cellization becomes test fixture, includes base (3), curb plate (1) and apron (2), base (3) both sides are provided with curb plate (1), two be provided with apron (2) on curb plate (1), its characterized in that, be provided with the installation unit on base (3), be provided with the centre gripping unit on apron (2), be provided with pressure regulating unit and the control unit on two curb plates (1) respectively, pressure regulating unit and the control unit all with the centre gripping unit is connected.
2. The square-shell lithium battery formation test fixture as claimed in claim 1, wherein the clamping unit comprises an air cylinder (10) arranged on the cover plate (2), the air cylinder (10) is connected with a pressing plate (7), and a plurality of battery probes (16) are arranged at one end of the pressing plate (7) far away from the air cylinder (10).
3. The lithium cellularization test fixture of claim 2, wherein one end of the battery probe (16) close to the base (3) is provided with a sealing gasket (6).
4. The square-shell lithium battery formation test fixture as claimed in claim 2, wherein a cylinder extension bar (13) is installed at a joint of the cylinder (10) and the pressing plate (7), and a gasket (11) is arranged between the cylinder extension bar (13) and the pressing plate (7).
5. The square-shell lithium battery formation test fixture as claimed in claim 4, wherein a guide post (4) is arranged between the base (3) and the cover plate (2), the guide post (4) penetrates through the pressing plate (7), and a copper guide sleeve (12) is sleeved at the contact position of the guide post (4) and the pressing plate (7).
6. The lithium cellization testing fixture of the square-shell battery as claimed in claim 2, characterized in that the pressure plate (7) is provided with a plurality of air discharge nozzles (5), and the air discharge nozzles (5) correspond to the liquid injection holes of the battery.
7. The square-shell lithium battery formation test fixture as claimed in claim 1, wherein the pressure regulating unit is a pressure regulating valve arranged on the side plate (1).
8. The square-shell lithium cellularization test fixture as claimed in claim 1, wherein said mounting unit is a slot (9) for a plurality of dry cells provided on said base (3).
9. The square-shelled lithium cellularization test fixture of claim 1, wherein the control unit is a hand-operated valve (14).
10. The square-shell lithium cellularization test fixture as claimed in claim 2, wherein the surface of the pressure plate (7) is provided with a reinforcing rib (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921980320.2U CN211554251U (en) | 2019-11-16 | 2019-11-16 | Square-shell lithium battery formation test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921980320.2U CN211554251U (en) | 2019-11-16 | 2019-11-16 | Square-shell lithium battery formation test fixture |
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| Publication Number | Publication Date |
|---|---|
| CN211554251U true CN211554251U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921980320.2U Active CN211554251U (en) | 2019-11-16 | 2019-11-16 | Square-shell lithium battery formation test fixture |
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| CN (1) | CN211554251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113707959A (en) * | 2021-07-30 | 2021-11-26 | 惠州锂威新能源科技有限公司 | Steel shell lithium battery formation assembly, formation device and formation method |
-
2019
- 2019-11-16 CN CN201921980320.2U patent/CN211554251U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113707959A (en) * | 2021-07-30 | 2021-11-26 | 惠州锂威新能源科技有限公司 | Steel shell lithium battery formation assembly, formation device and formation method |
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