Novel power battery formation clamp

The novel power battery fixture addresses low automation and safety issues by enabling simultaneous multi-point battery fixation and even pressure distribution, improving efficiency and safety in the battery formation process.

CN223099049UActive Publication Date: 2025-07-15宁德余库五金制品有限公司
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Patent Information

Application Number
CN202422399717.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-07-15
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

The existing power battery filling fixtures fix one battery at a time, which affects production efficiency and is not very automated. The battery is prone to expand and deform during the transformation process, which poses safety risks.

Method used

A new type of power battery-forming fixture is designed, adopting a sliding connection structure of multiple sets of movable pressure plates and guide rods, combining threaded connections and rotational connections, and using the rotary connection structure of pulley seats and pulleys to achieve simultaneous clamping and stable fixation of multiple sets of batteries.

Benefits of technology

It improves the degree of automation of the fixture, ensures the consistency of flatness and thickness of the battery, avoids expansion and deformation of the battery, and reduces the risk of safety accidents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of power battery processing, and particularly relates to a novel power battery formation clamp which comprises a fixed seat, a nut transversely arranged on the side wall of the fixed seat in a penetrating mode, a screw connected with the inner wall of the nut in a threaded mode, a movable wrench connected with one side of the screw in a sleeved mode, and a movable pressing plate connected with the other side of the screw in a rotating mode. The side wall of the movable pressing plate transversely penetrates through the guide rod, the two ends of the guide rod are connected to the inner wall of the fixing base, the bottom of the side wall of the movable pressing plate abuts against the partition block, the top of the movable pressing plate is sleeved with the reinforcing plate, the top of the reinforcing plate longitudinally penetrates through the connecting bolt, the bottom of the bolt is in threaded connection with the movable pressing plate, and an aviation plug is arranged on one side of the fixing base. A plurality of groups of movable pressing plates on two groups of guide rods fixed on the inner wall of the fixed seat are used for clamping a battery, so that the battery placed between the movable pressing plates is stably moved, clamped and fixed, and the automation degree of the clamp is improved, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of power battery processing, and particularly relates to a novel power battery formation fixture. Background Art

[0002] The novel power battery formation fixture is an important and indispensable device in the production process of power batteries. It is mainly used for fixing, connecting and testing during the battery formation process to ensure that the battery can perform charge and discharge cycles according to predetermined process parameters to achieve the expected performance indicators. During the production process of novel power batteries, the fixture is used to clamp and fix the battery body and is connected to the testing equipment through connecting wires to realize the charge and discharge cycle test of the battery. However, the device still has the following defects: when the above-mentioned equipment is in use, the existing battery fixtures generally fix one battery at a time, which affects the production efficiency and has a low degree of automation. Moreover, the battery is prone to chemical reactions during the formation process, resulting in expansion and deformation and thus safety accidents. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a novel power battery formation fixture, aiming to solve the problems in the prior art that when the above-mentioned equipment is in use, the existing battery fixtures generally fix one battery at a time, which affects the production efficiency and has a low degree of automation, and the battery is prone to chemical reactions during the formation process, resulting in expansion and deformation and thus safety accidents.

[0004] To achieve the above purpose, the utility model provides the following technical solution: a novel power battery formation fixture, comprising: a fixed seat, a nut is horizontally penetrated through the side wall of the fixed seat, a screw rod is threadedly connected to the inner wall of the nut, a movable wrench is sleeved on one side of the screw rod, and a movable pressing plate is rotatably connected to the other side of the screw rod. A guide rod is horizontally penetrated through the side wall of the movable pressing plate, and both ends of the guide rod are connected to the inner wall of the fixed seat. The bottom of the side wall of the movable pressing plate abuts against a dividing block, the dividing block abuts against a pulley seat, a pulley is rotatably connected to the side wall of the pulley seat by a pulley shaft. A reinforcing plate is sleeved on the top of the movable pressing plate, a bolt is vertically penetrated through the top of the reinforcing plate, and the bottom of the bolt is threadedly connected to the movable pressing plate. An aviation plug is arranged on one side of the fixed seat.

[0005] In order to enable the movable pressing plate to move within a specified range and avoid deviation by using the guide rod, as an optimization of the novel power battery formation fixture of the utility model, the movable pressing plate and the guide rod form a sliding connection structure, and the two groups of guide rods are penetrated and connected to the upper and lower ends of the movable pressing plate.

[0006] In order to drive the screw to rotate within the nut using an adjustable wrench, as an optimization of a novel power battery formation fixture of the present utility model, the fixed seat, nut, screw, adjustable wrench, and movable pressing plate form a threaded connection structure, and a rotation groove is provided on one side of the movable pressing plate to rotatably connect one end of the screw.

[0007] In order to fix the moving range of the dividing block using a fixed rod, as an optimization of a novel power battery formation fixture of the present utility model, a circular through groove is opened on the upper side wall of the dividing block, and its shape and size match those of the fixed rod.

[0008] In order to enable the pulley to rotate within the pulley seat using a pulley shaft, as an optimization of a novel power battery formation fixture of the present utility model, the pulley seat, pulley shaft, and pulley form a rotatable connection structure, and eight groups of pulleys are equidistantly arranged on the inner wall of the pulley seat.

[0009] In order to fix the connection between the movable pressing plate and the reinforcement plate using a bolt, as an optimization of a novel power battery formation fixture of the present utility model, the movable pressing plate, reinforcement plate, and bolt form a threaded connection structure.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] By clamping the battery with multiple movable pressing plates on two groups of guide rods fixed to the inner wall of the fixed seat, the battery placed between the movable pressing plates is stably moved and clamped, thereby improving the automation degree of the fixture and enhancing work efficiency.

[0012] The design of using multiple groups for simultaneous clamping can limit the expansion and deformation of the battery cell by uniformly applying pressure, ensuring the flatness and thickness consistency of the battery cell, and avoiding safety problems such as short circuits and liquid leakage caused by battery cell deformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings are used to provide further understanding of the present utility model and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0014] Figure 1 is the front view structural schematic diagram of the present utility model;

[0015] Figure 2 is the side view structural schematic diagram of the present utility model;

[0016] Figure 3 is the top view structural schematic diagram of the present utility model;

[0017] Figure 4 is the enlarged structural schematic diagram of the pulley seat and pulley part of the present utility model.

[0018] In the figure: 1, fixed seat; 2, nut; 3, screw rod; 4, movable wrench; 5, movable pressure plate; 6, guide rod; 7, fixed rod; 8, dividing block; 9, pulley seat; 10, pulley shaft; 11, pulley; 12, reinforcement plate; 13, bolt; 14, aviation plug. Specific implementation manner

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-4 , the present invention provides the following technical solutions: A new type of power battery formation fixture, comprising: a fixed seat 1, a nut 2 is horizontally penetrated through the side wall of the fixed seat 1, the inner wall of the nut 2 is threadedly connected to a screw rod 3, one side of the screw rod 3 is sleeved with a movable wrench 4, and the other side of the screw rod 3 is rotatably connected to a movable pressure plate 5. The side wall of the movable pressure plate 5 is horizontally penetrated through a guide rod 6, and both ends of the guide rod 6 are connected to the inner wall of the fixed seat 1. The bottom of the side wall of the movable pressure plate 5 abuts against a dividing block 8, the dividing block 8 abuts against a pulley seat 9, the side wall of the pulley seat 9 is rotatably connected to a pulley 11 by a pulley shaft 10. The top of the movable pressure plate 5 is sleeved with a reinforcement plate 12, a bolt 13 is longitudinally penetrated through the top of the reinforcement plate 12, and the bottom of the bolt 13 is threadedly connected to the movable pressure plate 5. An aviation plug 14 is provided on one side of the fixed seat 1.

[0021] Preferably: The movable pressure plate 5 and the guide rod 6 form a sliding connection structure, and two groups of guide rods 6 are penetrated and connected to the upper and lower ends of the movable pressure plate 5.

[0022] During specific use, it is placed between the movable pressure plates 5 that are slidably connected between two groups of guide rods 6 on the fixed seat 1, so that the two groups of guide rods 6 guide and standardize the moving position of the movable pressure plate 5 to avoid deviation.

[0023] Preferably: The fixed seat 1, the nut 2, the screw rod 3, the movable wrench 4 and the movable pressure plate 5 form a threaded connection structure, and a rotating groove is provided on one side of the movable pressure plate 5 to rotatably connect one end of the screw rod 3.

[0024] During specific use, hold the movable wrench 4 and start to rotate, thereby driving the connected screw rod 3 to rotate in the nut 2, so that the movable pressure plate 5 rotatably connected to the other side is pushed to one side by the screw rod 3 moving to one side.

[0025] Preferably: A circular through groove is provided on the upper side wall of the dividing block 8, and its shape and size match those of the fixed rod 7.

[0026] During specific use, the fixing rod 7 penetrates through the dividing block 8 to fix its moving range.

[0027] Preferably, the pulley seat 9, the pulley shaft 10 and the pulley 11 form a rotary connection structure, and eight groups of pulleys 11 are equidistantly arranged on the inner wall of the pulley seat 9.

[0028] During specific use, the cooperation of the pulley seat 9 and the pulley 11 enables multiple groups of batteries to be stably clamped under the action of the dividing block 8 provided thereon.

[0029] Preferably, the movable pressing plate 5, the reinforcing plate 12 and the bolt 13 form a threaded connection structure.

[0030] During specific use, the bolt 13 penetrates through the intersection of the movable pressing plate 5 and the reinforcing plate 12 to fix their positions.

[0031] Working principle: During the formation processing of the new type of power battery, the batteries to be processed and detected are respectively placed between the movable pressing plates 5 that are slidably connected between the two guide rods 6 on the fixed seat 1. Then, hold the movable wrench 4 and start rotating, which drives the connected screw rod 3 to rotate in the nut 2, so that the other rotatably connected movable pressing plate 5 is pushed to one side by the screw rod 3 moving to one side. When the movable pressing plate 5 connected to the screw rod 3 is pushed, the dividing block 8 abutted against the bottom of its side wall slides on the fixed rod 7, and its bottom moves together on the pulley seat 9 while sliding. At the same time, the following several dividing blocks 8 move to the other side simultaneously, driving the abutted movable pressing plate 5 to move together, so that the batteries placed between the two movable pressing plates 5 are stably clamped. At the same time, when the movable pressing plate 5 moves, the reinforcing plate 12 on its top protects the surface of the movable pressing plate 5 to prevent it from being deformed due to long-term pressure, thus affecting the production quality.

[0032] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A novel power battery formation fixture, comprising: Fixed seat (1), characterized in that: a nut (2) is horizontally penetrated through the side wall of the fixed seat (1), a screw rod (3) is threadedly connected to the inner wall of the nut (2), a movable wrench (4) is sleeved on one side of the screw rod (3), and a movable pressing plate (5) is rotatably connected to the other side of the screw rod (3). A guide rod (6) is horizontally penetrated through the side wall of the movable pressing plate (5), and both ends of the guide rod (6) are connected to the inner wall of the fixed seat (1). The bottom of the side wall of the movable pressing plate (5) abuts against a dividing block (8), the dividing block (8) abuts against a pulley seat (9), a pulley (11) is rotatably connected to the side wall of the pulley seat (9) by a pulley shaft (10). A reinforcing plate (12) is sleeved on the top of the movable pressing plate (5), a bolt (13) is longitudinally penetrated and connected to the top of the reinforcing plate (12), and the bottom of the bolt (13) is threadedly connected to the movable pressing plate (5). An aviation plug (14) is provided on one side of the fixed seat (1).

2. The novel power battery formation fixture according to claim 1, characterized in that: The movable pressing plate (5) and the guide rod (6) form a sliding connection structure, and the two groups of guide rods (6) are penetrated and connected to the upper and lower ends of the movable pressing plate (5).

3. A novel power battery forming fixture according to claim 1, characterized in that: The fixed seat (1), the nut (2), the screw rod (3), the movable wrench (4) and the movable pressing plate (5) form a threaded connection structure, and a rotating groove is provided on one side of the movable pressing plate (5) to rotatably connect one end of the screw rod (3).

4. A novel power battery formation fixture according to claim 1, characterized in that: A circular through groove is formed in the upper side wall of the dividing block (8), and its shape and size are consistent with those of the fixed rod (7).

5. A novel power battery forming fixture according to claim 1, characterized in that: The pulley seat (9), the pulley shaft (10) and the pulley (11) form a rotating connection structure, and eight groups of pulleys (11) are equidistantly arranged on the inner wall of the pulley seat (9).

6. A novel power battery formation fixture according to claim 1, characterized in that: The movable pressing plate (5), the reinforcing plate (12) and the bolt (13) form a threaded connection structure.