Piercing device for lithium battery test
By using pressure sensors and an electric push rod system to automatically clamp and position lithium batteries, combined with a cylinder-driven puncture device, the problem of manual operation required by existing devices has been solved, realizing automatic positioning and unloading of lithium batteries and reducing the workload of workers.
Patent Information
- Application Number
- CN202423018711.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing lithium battery testing puncture devices require manual operation to fix and remove the lithium battery, increasing the workload of staff.
Employing a pressure sensor and electric push rod system, the lithium battery is automatically clamped and positioned. The electric push rod drives the clamping plate to achieve automatic positioning and unloading of the lithium battery, combined with a cylinder-driven puncture device for automatic puncture.
It enables automatic positioning and unloading of lithium batteries, reduces manual operation, lowers the workload of staff, and improves the applicability of the device.
Smart Images

Figure CN223565461U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a puncture device field, specifically is a puncture device for lithium battery test. BACKGROUND
[0002] It is known that lithium battery test is a very important work, mainly through the performance, safety and life index of lithium battery test, the quality and reliability of lithium battery, lithium battery test is especially important in electric vehicle, mobile phone, notebook computer and other electronic products, ensures the safety and reliability of these equipment, through scientific test method and strict standard, can effectively promote the overall performance and service life of lithium battery, the puncture device for lithium battery test is mainly used for evaluating the safety performance of lithium battery, especially the puncting strength, thermal stability and safety performance of lithium battery diaphragm, the existing puncture device for lithium battery test is inconvenient to fix the position of lithium battery sample, and the position of lithium battery sample is easy to deviate during puncture test, and the puncture effect is not stable enough.
[0003] For the above problems, a puncture device for lithium battery test of Chinese patent publication No.
[0004] Although the comparison patent solves the problem of inconvenient fixing of the position of lithium battery sample, deviation of the position of lithium battery sample during puncture test, and unstable puncture effect, the device needs to manually rotate the threaded rod to fix and puncture the lithium battery, and after puncture, the lithium battery needs to be manually removed by reversing the threaded rod, thereby causing great trouble to the workers and increasing the workload.
[0005] For the above related technologies, the device needs to manually rotate the threaded rod to fix and puncture the lithium battery, and after puncture, the lithium battery needs to be manually removed by reversing the threaded rod, thereby causing great trouble to the workers and increasing the workload. UTILITY MODEL CONTENTS
[0006] (I) Technical problems solved
[0007] The utility model provides a kind of puncture device for lithium battery test, with the device is positioned and blanking to lithium battery, all do not need manual operation, then bring greater convenience to staff, reduce workload and so on Advantages, solve the problem that manual rotation threaded rod can be fixed and puncture to lithium battery, after puncture is completed, lithium battery is also taken down by manual reverse threaded rod, then bring greater trouble to staff, increase workload.
[0008] (II) Technical scheme
[0009] To achieve the above-mentioned device is positioned and blanking to lithium battery, all do not need manual operation, then bring greater convenience to staff, reduce workload, the utility model provides the following technical scheme: a kind of puncture device for lithium battery test, including support, the top of the support is fixedly connected with workbench, the top of the workbench is provided with working groove, the inner bottom wall of the working groove is provided with recess, the inner bottom wall of the recess is fixedly connected with transmitter, the top of the transmitter is fixedly connected with pressure sensor, the front of the workbench is provided with fixed slot, the inner side wall of the fixed slot is fixedly connected with electric push rod, one end of the electric push rod is fixedly connected with moving rod, the outer wall of the electric push rod is equipped with second receiver, one end of the moving rod is fixedly connected with clamping plate, by lithium battery is placed in the inside of working groove, the pressure sensor receives pressure after triggering transmitter to transmit signal to second receiver, the second receiver can trigger electric push rod to work after receiving signal, the work of the electric push rod can drive moving rod to move to the inside of working groove, the moving rod moves to drive clamping plate to move in the inside of working groove, to realize clamping to lithium battery, to realize that the device is positioned and blanking to lithium battery, all do not need manual operation, then bring greater convenience to staff, reduce workload.
[0010] As a preferred technical scheme of the utility model, one end of the moving rod penetrates the fixed slot and extends to the inside of the working groove, and the moving rod is slidingly connected with the workbench.
[0011] As a preferred technical scheme of the utility model, the outer wall of the clamping plate is slidingly connected with the inner wall of the working groove, and the moving rod moves to drive the clamping plate to move in the inside of the working groove, to realize clamping to lithium battery.
[0012] As a preferred technical scheme of the utility model, the top of the workbench is fixedly connected with rack, the top of the rack is fixedly connected with air cylinder, the bottom of the air cylinder is provided with telescopic end, the puncture device body is existing device, which is not explained here, the work of the air cylinder drives the telescopic end to extend or contract.
[0013] As a preferred technical scheme of the utility model, the bottom of the telescopic end is fixedly connected with a puncture device body, and the outer wall of the air cylinder is provided with a first receiver, the air cylinder drives the telescopic end to extend, and drives the puncture device body to move downward, the puncture device body can puncture and detect the lithium battery, and the first receiver can receive signals and then trigger the air cylinder to work.
[0014] As a preferred technical scheme of the utility model, one side of the clamping plate is fixedly connected with a spring, and one end of the spring is fixedly connected with a clamping block, the number of clamping plates is two, the two clamping plates clamp the lithium battery, and the clamping block clamps the lithium battery through the spring, so that lithium batteries of different sizes can be clamped.
[0015] (Three) beneficial effects
[0016] Compared with the prior art, the utility model provides a puncture device for lithium battery test, has the following beneficial effects:
[0017] 1, by putting lithium battery into the inside of work groove, the pressure sensor receives pressure and triggers the emitter to emit signals to the second receiver, the second receiver receives signals and triggers the electric push rod to work, the work of the electric push rod can drive the moving rod to move to the inside of the work groove, the moving rod moves and drives the clamping plate to move in the inside of the work groove, so that the lithium battery is clamped, and the device is positioned and discharged, and manual operation is not needed, so that the work staff is greatly facilitated, and the work amount is reduced.
[0018] 2, the pressure sensor receives pressure and emits signals through the emitter, the second receiver receives signals and starts the electric push rod to work, so that the clamping plate clamps the lithium battery, the two clamping plates clamp the lithium battery, the clamping block clamps the lithium battery through the spring, so that the lithium battery of different sizes can be clamped, and the use demand of the device is further met, and the applicability of the device is greatly improved. ACCURACY OF DRAWINGS
[0019] Figure 1 It is a structure schematic view of a puncture device for lithium battery test;
[0020] Figure 2 It is a front view of a puncture device for lithium battery test;
[0021] Figure 3 It is Figure 2 It is an enlarged view of structure A in the middle.
[0022] In the figure: 1, support; 2, workbench; 3, rack; 4, air cylinder; 5, telescopic end; 6, puncture device body; 7, first receiver; 8, groove; 9, transmitter; 10, pressure sensor; 11, working groove; 12, fixed groove; 13, electric push rod; 14, second receiver; 15, moving rod; 16, clamping plate; 17, spring; 18, clamping block. DETAILED DESCRIPTION
[0023] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings of the specification.
[0024] Example 1
[0025] Referring to Figures 1-3 For the first embodiment of the utility model, a puncture device for lithium battery testing is provided, which comprises a support 1, the top of the support 1 is fixedly connected with a workbench 2, the top of the workbench 2 is provided with a working groove 11, the inner bottom wall of the working groove 11 is provided with a groove 8, the inner bottom wall of the groove 8 is fixedly connected with a transmitter 9, the top of the transmitter 9 is fixedly connected with a pressure sensor 10, the front of the workbench 2 is provided with a fixed groove 12, the inner side wall of the fixed groove 12 is fixedly connected with an electric push rod 13, one end of the electric push rod 13 is fixedly connected with a moving rod 15, the outer wall of the electric push rod 13 is provided with a second receiver 14, the second receiver 14 can trigger the electric push rod 13 to work when receiving a signal, and one end of the moving rod 15 is fixedly connected with a clamping plate 16.
[0026] One end of the moving rod 15 penetrates through the fixed groove 12 and extends to the inside of the working groove 11, and the moving rod 15 is slidingly connected with the workbench 2, and the working of the electric push rod 13 can drive the moving rod 15 to move to the inside of the working groove 11.
[0027] The outer wall of the clamping plate 16 is slidingly connected with the inner wall of the working groove 11, the moving rod 15 moves to drive the clamping plate 16 to move in the inside of the working groove 11, thereby realizing clamping of the lithium battery.
[0028] In the use process, the lithium battery is placed in the inside of the working groove 11, the pressure sensor 10 triggers the transmitter 9 to transmit a signal to the second receiver 14 after receiving the pressure, the second receiver 14 can trigger the electric push rod 13 to work when receiving a signal, the working of the electric push rod 13 can drive the moving rod 15 to move to the inside of the working groove 11, and the moving rod 15 moves to drive the clamping plate 16 to move in the inside of the working groove 11, thereby realizing clamping of the lithium battery.
[0029] Example 2
[0030] Referring to Figures 1-3For the second embodiment of the utility model, the top of the workbench 2 is fixedly connected with a rack 3, the top of the rack 3 is fixedly connected with a cylinder 4, the bottom of the cylinder 4 is provided with an extension end 5, the puncture device body 6 is an existing device, which will not be explained here, and the working of the cylinder 4 will drive the extension end 5 to extend or contract.
[0031] The bottom of the extension end 5 is fixedly connected with the puncture device body 6, and the outer wall of the cylinder 4 is provided with a first receiver 7, the cylinder 4 drives the extension end 5 to extend, which will drive the puncture device body 6 to move downward, the puncture device body 6 can puncture and detect the lithium battery, and the first receiver 7 can receive signals and then trigger the cylinder 4 to work.
[0032] One side of the clamping plate 16 is fixedly connected with a spring 17, one end of the spring 17 is fixedly connected with a clamping block 18, the number of the clamping plate 16 is two, the two clamping plates 16 clamp the lithium battery, the clamping block 18 clamps the lithium battery through the spring 17, and then different sizes of lithium batteries can be clamped.
[0033] During use, the pressure sensor 10 receives pressure and then emits signals through the transmitter 9, the second receiver 14 receives the signals, the electric push rod 13 is started to work, and then the clamping plate 16 clamps the lithium battery, the two clamping plates 16 clamp the lithium battery, the clamping block 18 clamps the lithium battery through the spring 17, and then different sizes of lithium batteries can be clamped.
[0034] It should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limited, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced, without departing from the spirit and scope of the technical solutions of the utility model, which should be covered in the scope of the claims of the utility model.
Claims
1. A puncture device for testing lithium batteries, comprising a support (1), characterized in that: A workbench (2) is fixedly connected to the top of the bracket (1). A work groove (11) is provided on the top of the workbench (2). A groove (8) is provided on the inner bottom wall of the work groove (11). A transmitter (9) is fixedly connected to the inner bottom wall of the groove (8). A pressure sensor (10) is fixedly connected to the top of the transmitter (9). A fixing groove (12) is provided on the front of the workbench (2). An electric push rod (13) is fixedly connected to the inner side wall of the fixing groove (12). A moving rod (15) is fixedly connected to one end of the electric push rod (13). A second receiver (14) is provided on the outer wall of the electric push rod (13). A clamping plate (16) is fixedly connected to one end of the moving rod (15).
2. The puncture device for testing lithium batteries according to claim 1, characterized in that: One end of the moving rod (15) passes through the fixed groove (12) and extends into the interior of the working groove (11), and the moving rod (15) is slidably connected to the worktable (2).
3. The puncture device for testing lithium batteries according to claim 1, characterized in that: The outer wall of the clamping plate (16) is slidably connected to the inner wall of the working groove (11).
4. The puncture device for testing lithium batteries according to claim 1, characterized in that: The top of the workbench (2) is fixedly connected to a frame (3), and the top of the frame (3) is fixedly connected to a cylinder (4), and the bottom of the cylinder (4) is provided with a telescopic end (5).
5. The puncture device for testing lithium batteries according to claim 4, characterized in that: The bottom of the telescopic end (5) is fixedly connected to the puncture device body (6), and the outer wall of the cylinder (4) is provided with a first receiver (7).
6. The puncture device for testing lithium batteries according to claim 1, characterized in that: A spring (17) is fixedly connected to one side of the clamping plate (16), and a clamping block (18) is fixedly connected to one end of the spring (17).