Accurate positioning device for battery cell

By designing the precise positioning device of the battery cell, the precise coordination of the servo motor, screw and ball screw, combined with the limiting plate, positioning induction plate, vacuum suction cup and sensor, the low positioning accuracy and cumbersome operation in the traditional battery cell positioning method are solved. The problem of this paper realizes high-precision positioning and stable movement of the battery cell, and improves production efficiency and product quality.

CN222471315UActive Publication Date: 2025-02-14伍歌颂
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Patent Information

Application Number
CN202421242654.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-02-14
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

Traditional battery cell positioning methods have problems such as low positioning accuracy, cumbersome operation and low efficiency. Especially in the load transfer and welding processes of battery cells, position deviation may lead to poor electrode welding, poor aluminum-plastic film packaging and poor battery insulation. Impacts battery performance and safety.

Method used

A precise positioning device for battery cells is designed, including support components, transmission components, limiting components and sliding components. Through the precise cooperation of servo motors, screws and ball screws, it combines the limiting plate, positioning induction plate, vacuum suction cup and Sensors realize high-precision positioning and stable movement of the battery cell.

Benefits of technology

It realizes the precise position of the battery cell during processing or testing, improves production efficiency and product quality, ensures the stability and safety of the battery cell during movement, and enhances the safety and reliability of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222471315U_ABST
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Abstract

The utility model discloses an accurate positioning device for a battery cell, which comprises a supporting component, a transmission component, a limiting component and a sliding component, the transmission component is vertically mounted on the supporting component and connected with the supporting component, the limiting component is vertically mounted on the transmission component and connected with the transmission component, and the limiting component is used for limiting the transmission component. The sliding assembly is vertically installed on the supporting assembly, the sliding assembly is connected with the supporting assembly and used for driving the supporting assembly to move, the limiting assembly comprises a positioning induction piece, a limiting plate and a vacuum suction cup, the positioning induction piece is installed on one side of the transmission assembly, and the limiting plate is vertically installed on the supporting assembly and connected with the transmission assembly; and the vacuum suction cup is vertically installed on the supporting assembly, and high-precision positioning of the battery cell is achieved through precise cooperation of the servo motor, the lead screw and the ball screw. Through the design, the accurate position of the battery cell in the processing or testing process is ensured, and the production efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the field of battery technology development, in particular to a battery cell precision positioning device. Background Art

[0002] With the continuous development of science and technology, lithium batteries have been widely used in various industries. Among them, lithium-ion batteries have replaced traditional batteries in applications such as mobile phones, computers, headphones, audio, and cameras. However, in the large-scale battery production process, battery formation occupies a lot of production space and cost. It is particularly important to improve the degree of automation in the formation process;

[0003] Traditional cell positioning methods often rely on manual operation or simple mechanical positioning devices, which have problems such as low positioning accuracy, cumbersome operation, and low efficiency. In particular, in the processes of cell transfer and welding, the position deviation of the cell may cause the relative position deviation between the tab and the cell during the tab welding, thereby causing problems such as poor spacing between the tab and the aluminum-plastic film and poor insulation of the cell in the subsequent aluminum-plastic film packaging process, which seriously affects the performance and safety of the battery. To solve this problem, the inventors have proposed a precise cell positioning device. Utility Model Content

[0004] In view of the deficiencies existing in the above-mentioned technologies, the utility model provides a device for accurately positioning a battery cell.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a precise positioning device for a battery cell, comprising a support assembly, a transmission assembly, a limit assembly and a sliding assembly, wherein the transmission assembly is vertically installed on the support assembly, the transmission assembly is connected to the support assembly, the limit assembly is vertically installed on the transmission assembly, the limit assembly is connected to the transmission assembly and is used to limit the transmission assembly, the sliding assembly is vertically installed on the support assembly, the sliding assembly is connected to the support assembly and is used to drive the support assembly to move, the limit assembly comprises a positioning sensor sheet, a limit plate and a vacuum suction cup, the positioning sensor sheet is installed on one side of the transmission assembly, the limit plate is vertically installed on the support assembly, the limit plate is connected to the transmission assembly and is used to limit the transmission assembly, and the vacuum suction cup is vertically installed on the support assembly.

[0006] As a further explanation, one end of the vacuum suction cup is provided with a sensor mounting plate connected thereto, and a sensor body is extended outward from the sensor mounting plate. The sensor body is vertically mounted on the sensor mounting plate, and the sensor body is connected to the sensor mounting plate for limiting the transmission assembly.

[0007] As a further explanation, the transmission assembly includes a servo motor, a screw and a ball screw. The servo motor is vertically installed on the support assembly, the screw is installed on one end of the servo motor, the screw is connected to the servo motor, the ball screw is vertically installed on the screw, and the ball screw is connected to the screw to drive the support assembly to move. The positioning sensor is located on one side of the ball screw.

[0008] As a further explanation, the transmission assembly includes a pushing cylinder and a pushing block, the pushing cylinder is vertically installed on the supporting assembly, the pushing block is installed on one end of the pushing cylinder, and the pushing cylinder is connected to the pushing block for moving the battery.

[0009] As a further explanation, the transmission assembly includes a telescopic cylinder and a telescopic rod, the telescopic cylinder is vertically mounted on the support assembly, the telescopic rod is vertically mounted on the telescopic cylinder, and the telescopic cylinder is connected to the telescopic rod.

[0010] As a further explanation, the supporting assembly includes a base plate, a vertical plate, a workbench, and a pad. The vertical plate is vertically installed on the base plate, the vertical plate is connected to the base plate, the pad is vertically installed on the base plate, and the pad is connected to the base plate for supporting the sliding assembly. The workbench is vertically installed on the sliding assembly, the servo motor is located on one side of the base plate, the limit plate is located on the top of the workbench, and the vacuum suction cup is located on the workbench.

[0011] As a further explanation, a bearing connecting plate is provided extending outward from the vertical plate, and the bearing connecting plate is vertically mounted on the vertical plate, and the bearing connecting plate is connected to the vertical plate. One end of the bearing connecting plate is provided with at least two bearing fixing blocks, and the bearing fixing block is vertically mounted on the bearing connecting plate, and the bearing fixing block is connected to the bearing connecting plate. A rotating shaft is provided extending outward from the bearing fixing block, and the rotating shaft is vertically mounted on the bearing fixing block, and the rotating shaft is connected to the bearing fixing block.

[0012] As a further explanation, the support assembly includes a support block, a fixing part and a cylinder mounting plate, the support block is vertically mounted on the base plate, the fixing part is vertically mounted on the base plate, the cylinder mounting plate is vertically mounted on the workbench, the pushing cylinder is located on the cylinder mounting plate and is used to limit the pushing cylinder, and the telescopic cylinder is located inside the support block.

[0013] As a further explanation, the sliding assembly includes a linear guide rail and a slider, the linear guide rail is vertically installed on the pad, the slider is vertically installed on the linear guide rail, the slider is slidably connected to the linear guide rail, and is used to drive the workbench to move. The workbench is located on the upper surface of the slider.

[0014] As a further explanation, a flattening block is provided extending outward from the rotating shaft, the flattening block is installed inside the rotating shaft, the flattening block is movably connected to the rotating shaft, and a fisheye joint connected thereto is provided inside the flattening block.

[0015] In summary, the utility model has the following beneficial effects: the utility model battery cell precision positioning device realizes high-precision positioning of the battery cell through the precise cooperation of the servo motor, the lead screw and the ball screw. This design ensures the precise position of the battery cell during processing or testing, improves production efficiency and product quality, and at the same time, the limit plate and the positioning sensor sheet work together to limit the transmission component to ensure the stability and safety of the battery cell during movement. In addition, the setting of the vacuum suction cup and the sensor body provides additional limit and sensing functions, further enhancing the safety and reliability of the device and improving its practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the battery cell precision positioning device of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the battery cell precision positioning device of the utility model;

[0018] Figure 3 This is a structural schematic diagram of the battery cell precision positioning device of the utility model;

[0019] Figure 4 It is a left view of the battery cell precise positioning device of the utility model.

[0020] Numbers in the figure: 1-flattening block, 2-fisheye joint, 10-support assembly, 101-bottom plate, 102-vertical plate, 103-workbench, 104-pad, 105-bearing fixing block, 106-bearing connecting plate, 107-rotating shaft, 108-support block, 109-fixing part, 110-cylinder mounting plate, 20-transmission assembly, 201-servo motor, 202-screw rod, 203-ball screw rod, 204-telescopic cylinder, 205-telescopic rod, 206-pushing cylinder, 207-pushing block, 30-limiting assembly, 301-positioning sensor sheet, 302-limiting plate, 303-vacuum suction cup, 304-sensor mounting plate, 305-sensor body, 40-sliding assembly, 401-linear guide rail, 402-slider. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-4 As shown, the battery cell precise positioning device includes a supporting assembly, a transmission assembly, a limiting assembly and a sliding assembly. The transmission assembly is vertically installed on the supporting assembly, and the transmission assembly is connected to the supporting assembly. The limiting assembly is vertically installed on the transmission assembly, and the limiting assembly is connected to the transmission assembly for limiting the transmission assembly. The sliding assembly is vertically installed on the supporting assembly, and the sliding assembly is connected to the supporting assembly for driving the supporting assembly to move. The limiting assembly includes a positioning sensing sheet 301, a limiting plate 302 and a vacuum suction cup 303. The positioning sensing sheet 301 is installed on one side of the transmission assembly, the limiting plate 302 is vertically installed on the supporting assembly, and the limiting plate 302 is connected to the transmission assembly for limiting the transmission assembly. The vacuum suction cup 303 is vertically installed on the supporting assembly.

[0023] Specifically, the limiting plate 302 and the positioning sensor sheet 301 work together to limit the transmission assembly to ensure the stability and safety of the battery cell during movement. In addition, the arrangement of the vacuum suction cup 303 and the sensor body 305 provides additional limiting and sensing functions, thereby improving practicality.

[0024] One end of the vacuum suction cup 303 is provided with a sensor mounting plate 304 connected thereto, and a sensor body 305 is extended outward from the sensor mounting plate 304. The sensor body 305 is vertically mounted on the sensor mounting plate 304, and the sensor body 305 is connected to the sensor mounting plate 304 for limiting the transmission component.

[0025] Specifically, the sensor body 305 on the sensor mounting plate 304 will monitor the position status of the battery cell in real time, and feed back the detected data to the control system (not shown in the figure). The control system (not shown in the figure) adjusts the movement of the transmission assembly and the sliding assembly in real time according to the data provided by the sensor, ensuring that the battery cell always remains in the predetermined precise position, thereby improving practicality.

[0026] The transmission assembly includes a servo motor 201, a screw rod 202 and a ball screw 203. The servo motor 201 is vertically installed on the support assembly. The screw rod 202 is installed on one end of the servo motor 201. The screw rod 202 is connected to the servo motor 201. The ball screw 203 is vertically installed on the screw rod 202. The ball screw 203 is connected to the screw rod 202 and is used to drive the support assembly to move. The positioning sensor sheet 301 is located on one side of the ball screw 203.

[0027] Specifically, the servo motor 201 is started, and the screw rod 202 is driven to rotate through its precise control, thereby driving the ball screw 203 to move in the vertical direction. The movement of the ball screw 203 will directly act on the support assembly, so that it drives the workbench 103 and the battery cell fixed thereon to perform precise vertical positioning. At the same time, during the movement of the battery cell, the positioning sensor sheet 301 will monitor the position of the ball screw 203 in real time to ensure that the battery cell is accurately moved to the predetermined position. At the same time, the limit plate 302 acts as a physical limit device, and when the cylinder 206 drives the push block 207 to move, it will not exceed the preset working range, thereby improving practicality.

[0028] The transmission assembly includes a pushing cylinder 206 and a pushing block 207. The pushing cylinder 206 is vertically installed on the supporting assembly, and the pushing block 207 is installed on one end of the pushing cylinder 206. The pushing cylinder 206 is connected to the pushing block 207 for moving the battery.

[0029] Specifically, if the battery cell needs to be moved or adjusted in the horizontal direction, the push cylinder 206 will be started, and the battery cell will be pushed to move horizontally on the workbench 103 through the push block 207, thereby improving practicality.

[0030] The transmission assembly includes a telescopic cylinder 204 and a telescopic rod 205 . The telescopic cylinder 204 is vertically mounted on the supporting assembly, and the telescopic rod 205 is vertically mounted on the telescopic cylinder 204 . The telescopic cylinder 204 is connected to the telescopic rod 205 .

[0031] Specifically, if the height of the battery cell needs to be adjusted, the telescopic cylinder 204 will drive the telescopic rod 205 to perform telescopic movement, thereby driving the fisheye joint 2 to move. Driven by the telescopic rod 205, the fisheye joint 2 will also drive the leveling block 1 to operate. Driven by the fisheye joint 2, the leveling block 1 will rotate around the rotating axis 107, which is convenient for adjusting the angles of different battery cells and improves practicality.

[0032] The supporting assembly includes a base plate 101, a vertical plate 102, a workbench 103, and a pad 104. The vertical plate 102 is vertically installed on the base plate 101, and the vertical plate 102 is connected to the base plate 101. The pad 104 is vertically installed on the base plate 101, and the pad 104 is connected to the base plate 101, and is used to support the sliding assembly. The workbench 103 is vertically installed on the sliding assembly. The servo motor 201 is located on one side of the base plate 101, the limit plate 302 is located on the top of the workbench 103, and the vacuum suction cup 303 is located on the workbench 103.

[0033] Specifically, the operator places the battery cell on the workbench 103 of the device. At this time, the vacuum suction cup 303 is activated, and the battery cell is firmly fixed on the workbench 103 by adsorption force to prevent it from moving during the positioning process.

[0034] A bearing connecting plate 106 is provided extending outward from the vertical plate 102, and the bearing connecting plate 106 is vertically mounted on the vertical plate 102, and the bearing connecting plate 106 is connected to the vertical plate 102. At least two bearing fixing blocks 105 are provided at one end of the bearing connecting plate 106, and the bearing fixing blocks 105 are vertically mounted on the bearing connecting plate 106, and the bearing fixing blocks 105 are connected to the bearing connecting plate 106. A rotating shaft 107 is provided extending outward from the bearing fixing block 105, and the rotating shaft 107 is vertically mounted on the bearing fixing block 105, and the rotating shaft 107 is connected to the bearing fixing block 105.

[0035] The support assembly includes a support block 108, a fixing member 109 and a cylinder mounting plate 110. The support block 108 is vertically mounted on the base plate 101, the fixing member 109 is vertically mounted on the base plate 101, the cylinder mounting plate 110 is vertically mounted on the workbench 103, the pushing cylinder 206 is located on the cylinder mounting plate 110, which is used to limit the pushing cylinder 206, the telescopic cylinder 204 is located inside the support block 108, and the fixing member 109 is connected to the screw rod 202.

[0036] The sliding assembly includes a linear guide 401 and a slider 402 . The linear guide 401 is vertically mounted on the pad 104 . The slider 402 is vertically mounted on the linear guide 401 . The slider 402 is slidably connected to the linear guide 401 to drive the workbench 103 to move. The workbench 103 is located on the upper surface of the slider 402 .

[0037] A flattening block 1 is provided extending outward from the rotating shaft 107 . The flattening block 1 is installed inside the rotating shaft 107 . The flattening block 1 is movably connected to the rotating shaft 107 . A fisheye joint 2 connected to the flattening block 1 is provided inside the flattening block 1 .

[0038] Specifically, when the battery cell needs to be flattened, the rotating shaft 107 drives the flattening block 1 to rotate under the drive of the transmission assembly, and the flattening block 1 flattens the battery cell. The fisheye joint 2 design inside the flattening block 1 allows the flattening block 1 to flatten the battery cell with a rotation angle and force to adapt to battery cells of different shapes and sizes, thereby improving practicality.

[0039] The high-precision positioning of the battery cell is achieved through the precise coordination of the servo motor 201, the lead screw 202 and the ball screw 203. This design ensures the precise position of the battery cell during processing or testing, improves production efficiency and product quality, and at the same time, the limit plate 302 and the positioning sensor sheet 301 work together to limit the transmission component to ensure the stability and safety of the battery cell during movement. In addition, the setting of the vacuum suction cup 303 and the sensor body 305 provides additional limit and sensing functions, further enhancing the safety and reliability of the device and improving practicality.

[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. The battery cell precise positioning device is characterized by: including a support assembly; A transmission assembly, the transmission assembly is vertically mounted on the support assembly, and the transmission assembly is connected to the support assembly; A limit assembly, the limit assembly is vertically mounted on the transmission assembly, the limit assembly is connected to the transmission assembly, and is used to limit the transmission assembly; A sliding assembly, wherein the sliding assembly is vertically mounted on the supporting assembly and connected to the supporting assembly to drive the supporting assembly to move; The limiting assembly includes a positioning sensing piece, a limiting plate and a vacuum suction cup. The positioning sensing piece is installed on one side of the transmission assembly. The limiting plate is vertically installed on the supporting assembly. The limiting plate is connected to the transmission assembly and is used to limit the transmission assembly. The vacuum suction cup is vertically installed on the supporting assembly.

2. The battery cell precise positioning device according to claim 1, characterized in that: One end of the vacuum suction cup is provided with a sensor mounting plate connected thereto, and a sensor body is extended outward from the sensor mounting plate. The sensor body is vertically mounted on the sensor mounting plate, and the sensor body is connected to the sensor mounting plate for limiting the transmission component.

3. The battery cell precise positioning device according to claim 2, characterized in that: The transmission assembly includes a servo motor, a screw and a ball screw. The servo motor is vertically installed on the support assembly. The screw is installed on one end of the servo motor and is connected to the servo motor. The ball screw is vertically installed on the screw and is connected to the screw to drive the support assembly to move. The positioning sensor is located on one side of the ball screw.

4. The battery cell precise positioning device according to claim 3, characterized in that: The transmission assembly includes a pushing cylinder and a pushing block. The pushing cylinder is vertically installed on the supporting assembly. The pushing block is installed on one end of the pushing cylinder. The pushing cylinder is connected to the pushing block and is used to move the battery.

5. The battery cell precise positioning device according to claim 4, characterized in that: The transmission assembly comprises a telescopic cylinder and a telescopic rod. The telescopic cylinder is vertically mounted on the support assembly, the telescopic rod is vertically mounted on the telescopic cylinder, and the telescopic cylinder is connected to the telescopic rod.

6. The battery cell precise positioning device according to claim 5, characterized in that: The supporting assembly includes a base plate, a vertical plate, a workbench, and a pad. The vertical plate is vertically installed on the base plate, the vertical plate is connected to the base plate, the pad is vertically installed on the base plate, and the pad is connected to the base plate for supporting the sliding assembly. The workbench is vertically installed on the sliding assembly, the servo motor is located on one side of the base plate, the limit plate is located on the top of the workbench, and the vacuum suction cup is located on the workbench.

7. The battery cell precise positioning device according to claim 6, characterized in that: A bearing connecting plate is extended outward from the vertical plate, the bearing connecting plate is vertically mounted on the vertical plate, the bearing connecting plate is connected to the vertical plate, one end of the bearing connecting plate is provided with at least two bearing fixing blocks, the bearing fixing block is vertically mounted on the bearing connecting plate, the bearing fixing block is connected to the bearing connecting plate, a rotating shaft is extended outward from the bearing fixing block, the rotating shaft is vertically mounted on the bearing fixing block, and the rotating shaft is connected to the bearing fixing block.

8. The battery cell precise positioning device according to claim 7, characterized in that: The support assembly includes a support block, a fixing part and a cylinder mounting plate, the support block is vertically mounted on the base plate, the fixing part is vertically mounted on the base plate, the cylinder mounting plate is vertically mounted on the workbench, the pushing cylinder is located on the cylinder mounting plate and is used to limit the pushing cylinder, and the telescopic cylinder is located inside the support block.

9. The battery cell precise positioning device according to claim 8, characterized in that: The sliding assembly includes a linear guide rail and a slider. The linear guide rail is vertically installed on the pad, and the slider is vertically installed on the linear guide rail. The slider is slidably connected to the linear guide rail and is used to drive the workbench to move. The workbench is located on the upper surface of the slider.

10. The battery cell precise positioning device according to claim 7, characterized in that: A flattening block is provided extending outward from the rotating shaft, the flattening block is installed inside the rotating shaft, the flattening block is movably connected to the rotating shaft, and a fisheye joint connected to the flattening block is provided inside the flattening block.