Clamping auxiliary device for polymer lithium ion battery formation

Abstract

The utility model discloses a polymer lithium ion battery formation clamping auxiliary device, and relates to the technical field of battery production equipment. Comprising a workbench, a clamp body, a short circuit tester and an air cylinder, the workbench is connected with a receiver, the short circuit tester, the clamp body and the air cylinder, the short circuit tester is electrically connected with the receiver, and the short circuit tester is used for testing the short circuit condition of a battery in the clamping process; the free end of the air cylinder is connected with a pressing strip, and the pressing strip is connected with a pressing plate. The polymer lithium ion battery formation clamping auxiliary device disclosed by the utility model is good in continuity, high in automation degree, high in efficiency and good in formation effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production equipment technical field, concretely relates to a polymer lithium ion battery formation upper clamping auxiliary device. BACKGROUND

[0002] In the polymer lithium battery formation production process, the production process such as cell short circuit measurement, clamping is essential, and in the traditional production process, artificial short circuit measurement is needed before polymer battery formation, and then clamping, and this kind of operation mode has many shortcomings, such as intensive labor of many people, high labor cost, high labor intensity of artificial short circuit measurement and clamping, low operation efficiency and easy to appear misjudgment and leakage measurement phenomenon, leading to poor quality stability, easy to appear a large number of formation defective products, and the polymer lithium battery formation process is easy to produce the security risk of fire caused by battery short circuit.

[0003] The traditional battery formation method is that the clamp is connected to the control panel by a wire, and during formation, electric energy is transmitted to the battery interior through the wire to charge the battery. In this formation method, each battery must be installed on an independent clamp, which is time-consuming, labor-intensive, low in efficiency and high in production cost.

[0004] Therefore, it is necessary to provide a polymer lithium ion battery formation upper clamping auxiliary device that can automatically and continuously operate. SUMMARY

[0005] The utility model mainly aims at providing a polymer lithium ion battery formation upper clamping auxiliary device to solve the problems in the prior art.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A polymer lithium ion battery formation upper clamping auxiliary device comprises a workbench, a clamping body, a short circuit tester and a pneumatic cylinder, the workbench is connected with a receiver, a short circuit tester, a clamping body and a pneumatic cylinder, the short circuit tester is electrically connected with the receiver, and the short circuit tester is used for testing battery short circuit during clamping; the free end of the pneumatic cylinder is connected with a pressing strip, and the pressing strip is connected with a pressing plate.

[0008] Further, the workbench is provided with a plurality of clamping bodies.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] The short circuit tester automatically and continuously measures and judges whether the battery is short-circuited during clamping, saves labor cost, and has higher judgment efficiency.

[0011] The pressing strip connected with the pneumatic cylinder can open all the pressing plates at a time, saves labor cost and improves production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the schematic diagram of the workbench of the utility model.

[0013] Figure 2 It is the schematic diagram of the clamp of the utility model.

[0014] Figure 3 It is the schematic diagram of the cylinder of the utility model.

[0015] Figure 4 It is the schematic diagram of the short circuit tester of the utility model.

[0016] Among them, 101-short circuit tester;102-receiver;103-cylinder;104-pressing strip;201-clamp chip;202-clamp. Specific implementation

[0017] The technical scheme of the utility model is further explained below through the drawings and examples.

[0018] Example

[0019] In combination Figures 1-4 The utility model provides a kind of polymer lithium ion battery formation upper clamp auxiliary device, including workbench, clamp 202, short circuit tester 101 and cylinder 103, the workbench is connected with receiver 102, short circuit tester 101, clamp 202 and cylinder 103, the short circuit tester 101 is electrically connected with the receiver 102, the short circuit tester 101 is used to test battery short circuit condition in upper clamp process;The free end of the cylinder 103 is connected with pressing strip 104, and the pressing strip 104 is connected with multiple pressing plates.

[0020] The mobile device for driving clamp 202 upper clamp belongs to prior art, and no longer be described in detail.

[0021] A plurality of clamps 202 are provided on the workbench, preferably, the number of clamps is 4-30, more preferably, the number is, for example, 4, 8 or 30, and the device disclosed in the present embodiment is provided with 25 clamps 202, so that a plurality of batteries can be simultaneously subjected to formation work.

[0022] The short circuit tester 101 is connected with the receiver 102 on the workbench through a wire, and the short circuit tester 101 can determine whether the battery is short-circuited during the battery upper clamp process, thereby saving labor cost.

[0023] The free end of the cylinder 103 is connected with a long metal pressing strip 104, when the chip 201 is inserted into the receiver 102 on the workbench for clamping, the cylinder 103 is pressed to open the pressing plate. Specifically, the pressing strip 104 at the movable end of the cylinder 103 can open all the pressing plates at one time, saving labor cost and improving production efficiency.

[0024] The battery is tested by using the device disclosed in the embodiment:

[0025] Embodiment: The device is provided with 25 clamping chips, the formation voltage is 4.45V, the formation current is 0.5C, and the formation time is 120 minutes. After the formation is completed, the normal process is carried out: two sealing, separate capacity, and detection.

[0026] Comparative example: The traditional formation method is used, 25 clamping chips are manually clamped, manual short circuit test is carried out, the formation voltage is 4.45V, the formation current is 0.5C, and the formation time is 120 minutes. After the formation is completed, the normal process is carried out: two sealing, separate capacity, and detection.

[0027] The production efficiency of the comparative formation process is compared, and the results are as follows:

[0028] Example number 100 cell production man-hours (min) 100 cell production man-hours saved (min) Example 150 60(28.6％) Comparative example 210

[0029] The production time of the embodiment is saved by more than 28%.

[0030] Product performance comparison:

[0031]

[0032]

[0033] The formation voltage distribution of the embodiment is better, the capacity qualified rate is high, and the cycle life is longer.

[0034] The above is only the preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belongs to the range of the technical scheme of the utility model.

Claims

1. A polymer lithium ion battery formation upper clamp auxiliary device, characterized in that, The utility model relates to a battery short circuit testing device, including workbench, clamping body, short circuit tester and air cylinder, be connected with receiver, short circuit tester, clamping body and air cylinder on the workbench, short circuit tester with receiver electricity is connected, short circuit tester is used for testing battery short circuit situation in on clamping process, the free end of air cylinder is connected with the press bar, and the press bar is connected with the pressing plate.

2. The polymer lithium ion battery formation upper clamp auxiliary device of claim 1, wherein, A plurality of clamping bodies are arranged on the workbench.

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