Vertical cold pressing clamp of formation and capacity grading cabinet

By setting a cooling channel in the vertical cold pressing fixture of the formation cabinet, effective cooling of the lithium battery is achieved, solving the problem of excessive temperature during the formation process of the lithium battery and ensuring the performance and service life of the lithium battery.

CN223363197UActive Publication Date: 2025-09-19GUANGDONG HUAXIA TECH CO LTD
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Patent Information

Application Number
CN202422370273.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-09-19
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

Existing battery formation fixtures lack cooling capabilities, causing lithium batteries to overheat during the formation process, affecting their performance and service life.

Method used

A vertical cold pressing fixture was designed. A cooling channel was set at the bottom of each layer of clamping blocks in the fixture. The cooling channels of the multiple layers of clamping blocks were interconnected, and the lithium battery was cooled by cooling water.

Benefits of technology

Effectively control the temperature of lithium batteries during the formation process to avoid performance degradation and extend the service life of lithium batteries.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vertical cold pressing clamp of a formation capacity grading cabinet, which comprises a driving part and a clamping part arranged on the driving part, the clamping part is provided with a plurality of layers of clamping blocks for horizontally inserting battery trays, the bottom of each layer of clamping block is provided with a cooling flow channel, and the cooling flow channel is communicated with the driving part. And the cooling flow channels at the bottoms of the plurality of layers of clamping blocks are communicated with one another. According to the utility model, the bottom of each layer of clamping block is provided with the cooling flow channel, and the cooling flow channels at the bottoms of the plurality of layers of clamping blocks are communicated with one another, so that cooling water can be introduced in the charging and discharging process of the lithium battery to cool the plurality of layers of batteries at the same time, and the performance influence caused by too high temperature of the lithium battery is avoided; and the service life of the lithium battery is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery packing, in particular to a vertical cold pressing fixture for a packing cabinet. Background Art

[0002] During the battery manufacturing process, the batteries need to be processed for formation and capacity division. Currently, during the formation and capacity division process, the batteries need to be placed one by one on a formation and capacity division tray, and then the clamps need to be manually opened and clamped to clamp the batteries, and then the circuit needs to be turned on by inserting the formation and capacity division fixture installed in the formation and capacity division cabinet. When lithium batteries are formed, since the temperature of lithium batteries will fluctuate greatly during the charging and discharging process, and the formation of lithium batteries is carried out in the formation and capacity division cabinet, the lithium batteries are always in a high temperature environment, which will affect their performance, and especially large lithium batteries will generate more heat during formation and charging. Existing formation and capacity division fixtures do not have a cooling function, which has a great impact on the performance and service life of lithium batteries. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a vertical cold pressing fixture for a chemical container.

[0004] The technical solution of the utility model is as follows:

[0005] A vertical cold pressing fixture for a chemical storage cabinet includes a driving part and a clamping part arranged on the driving part. The clamping part is provided with several layers of clamping blocks for horizontal insertion of battery trays. A cooling channel is provided at the bottom of each layer of clamping blocks, and the cooling channels at the bottoms of the several layers of clamping blocks are interconnected.

[0006] Furthermore, the clamping part includes several layers of clamp pressure plates arranged in sequence from top to bottom, and a clamping block for horizontal insertion of the battery tray is provided between two adjacent layers of clamp pressure plates. The cooling flow channel is evenly distributed in the clamp pressure plate, and the front and rear sides of the clamp pressure plate are respectively provided with a cooling input port and a cooling output port corresponding to the cooling flow channel. The cooling output port of the upper clamp pressure plate is connected to the cooling input port of the lower clamp pressure plate through a transmission pipe.

[0007] Furthermore, the clamping part also includes an upper end plate, a lower end plate, a connecting guide rod, a chain and a pushing plate, the upper end plate and the lower end plate are respectively fixed on the upper and lower ends of the connecting guide rod, the several layers of clamp pressure plates are movably arranged on the connecting guide rod from top to bottom, the pushing plate is movably arranged on the connecting guide rod, and is located at the bottom of the several layers of clamp pressure plates and is connected to the driving end of the driving part, the chain is arranged parallel to one side of the connecting guide rod, the upper end of the chain is fixed to the external bracket, the lower end of the chain is fixed to the pushing plate, and each layer of the clamp pressure plate is connected to the chain through a connecting piece.

[0008] Furthermore, the driving part is driven by a servo motor, and the motor shaft of the servo motor passes through the lower end plate and is connected to the pushing plate.

[0009] Compared with the prior art, the beneficial effect of the present invention is that: the present invention provides a cooling channel at the bottom of each layer of clamping blocks, and the cooling channels at the bottom of several layers of clamping blocks are interconnected. During the charging and discharging process of the lithium battery, cooling water can be introduced to cool several layers of batteries at the same time, avoiding the performance impact of the lithium battery caused by the high temperature and ensuring the service life of the lithium battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0011] Figure 1 A schematic diagram of the structure of a vertical cold pressing fixture for a chemical container provided by the utility model Figure 1 ;

[0012] Figure 2 A schematic diagram of the structure of a vertical cold pressing fixture for a chemical container provided by the utility model Figure 2 . DETAILED DESCRIPTION

[0013] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0014] In order to illustrate the technical solution of the present invention, specific embodiments are provided below.

[0015] Example

[0016] See also Figure 1 、 Figure 2This embodiment provides a vertical cold-pressing fixture for a battery storage cabinet, comprising a drive unit 1 and a clamping unit 2 disposed on the drive unit 1. The clamping unit 2 is provided with several layers of clamping blocks 28 for horizontally inserting battery trays. The bottom of each layer of clamping blocks 28 is provided with a cooling channel, and the cooling channels at the bottoms of the multiple layers of clamping blocks 28 are interconnected. By providing cooling channels at the bottom of each layer of clamping blocks 28 and interconnecting the cooling channels at the bottoms of the multiple layers of clamping blocks 28, cooling water can be introduced during the charging and discharging process to cool the batteries in multiple layers simultaneously, thereby preventing the performance of the lithium batteries from being affected by excessively high temperatures and ensuring the service life of the lithium batteries.

[0017] Specifically, the clamping part 2 includes an upper end plate 21, a lower end plate 22, a connecting guide rod 23, a chain 24, a clamp pressure plate 25 and a push plate 26. The upper end plate 21 and the lower end plate 22 are respectively fixed on the upper and lower ends of the connecting guide rod 23. The clamp pressure plate 25 is provided with several layers that are movably arranged on the connecting guide rod 23 from top to bottom. The push plate 26 is movably arranged on the connecting guide rod 23 and is located at the bottom of several layers of clamp pressure plates 25 and is connected to the driving end of the driving part 1. The push plate 26 is driven to lift by the driving part 1 to perform the chemical separation operation; between the two adjacent layers of clamp pressure plates 25 is a clamping block 28 for horizontal insertion of the battery tray; the chain 24 is arranged in parallel on one side of the connecting guide rod 23, the upper end of the chain 24 is fixed to the external bracket, the lower end of the chain 24 is fixed to the push plate 26, and each layer of clamp pressure plate 25 is connected by a connector 2 7 is connected to the chain 24, and under the action of the chain 24, several layers of clamp platens 25 can be reset after the completion of the chemical separation; the cooling channels are evenly distributed in the clamp platen 25 to ensure sufficient cooling, and the front and rear sides of the clamp platen 25 are respectively provided with a cooling input port 251 and a cooling output port 252 corresponding to the cooling channels. The cooling output port 252 of the upper clamp platen 25 is connected to the cooling input port 251 of the lower clamp platen 25 through a transmission pipeline, so that only the cooling water needs to be input into the cooling input port 251 of the uppermost clamp platen 25, and the cooling water can cool several layers of batteries at the same time from top to bottom, and finally be output from the cooling output port 252 of the bottommost clamp platen 25.

[0018] The driving part 1 is driven by a servo motor, the motor shaft of the servo motor passes through the lower end plate 22 and is connected to the push plate 26, and the servo motor drives the plurality of layers of clamp pressing plates 25 to move up and down.

[0019] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A vertical cold pressing fixture for a chemical container, characterized by: It includes a driving part and a clamping part arranged on the driving part. The clamping part is provided with several layers of clamping blocks for horizontal insertion of battery trays. A cooling channel is provided at the bottom of each layer of clamping blocks, and the cooling channels at the bottom of the several layers of clamping blocks are interconnected.

2. A vertical cold pressing fixture for a chemical container according to claim 1, characterized in that: The clamping part includes several layers of clamp pressure plates arranged in sequence from top to bottom. Between two adjacent layers of clamp pressure plates is a clamping block for horizontal insertion of the battery tray. The cooling flow channel is evenly distributed in the clamp pressure plate. The front and rear sides of the clamp pressure plate are respectively provided with a cooling input port and a cooling output port corresponding to the cooling flow channel. The cooling output port of the upper clamp pressure plate is connected to the cooling input port of the lower clamp pressure plate through a transmission pipe.

3. The vertical cold pressing fixture for a chemical container according to claim 2, characterized in that: The clamping part also includes an upper end plate, a lower end plate, a connecting guide rod, a chain and a pushing plate, the upper end plate and the lower end plate are respectively fixedly mounted on the upper and lower ends of the connecting guide rod, the several layers of clamp pressure plates are movably arranged on the connecting guide rod from top to bottom, the pushing plate is movably arranged on the connecting guide rod, and is located at the bottom of the several layers of clamp pressure plates and is connected to the driving end of the driving part, the chain is arranged parallel to one side of the connecting guide rod, the upper end of the chain is fixedly connected to the external bracket, the lower end of the chain is fixedly connected to the pushing plate, and each layer of the clamp pressure plate is connected to the chain through a connecting piece.

4. The vertical cold pressing fixture for a chemical container according to claim 3, characterized in that: The driving part is driven by a servo motor, and the motor shaft of the servo motor passes through the lower end plate and is connected to the pushing plate.