Lithium battery protection plate surface flatness detection device

Abstract

The utility model discloses a surface flatness detection device for a lithium battery protection plate, and relates to the technical field of detection equipment. The upper end of the upper supporting plate is fixedly connected with an abutting electric push rod, the output end of the abutting electric push rod is connected with a connecting frame, an angle adjusting servo motor is arranged in the connecting frame, the output end of the angle adjusting servo motor is connected with a moving mechanism, and an abutting detection mechanism is arranged below the moving mechanism. Through the combination of a pressure detection sensor and a buffer spring in the abutting detection mechanism, the flatness of the surface of the lithium battery protection plate can be accurately measured, and the accuracy and reliability of a detection result are ensured. And through the arrangement of an angle adjusting servo motor and a moving mechanism, the device can detect different angles and positions of the protection plate, and the comprehensiveness and accuracy of detection are improved. And through the design of the negative pressure pump and the supporting box, stable adsorption and fixation of the lithium battery protection plate can be realized, the protection plate is prevented from moving or shaking in the detection process, and the detection accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to a device for detecting the surface flatness of a lithium battery protection plate. Background Art

[0002] With the rapid development of the new energy industry, lithium batteries, as important energy storage components, have been widely used in electric vehicles, portable electronic devices, energy storage systems, and other fields. As a key component of lithium batteries, the lithium battery protection board is responsible for monitoring battery status and preventing abnormal conditions such as overcharging, over-discharging, and short circuits. This is crucial for ensuring battery safety and extending battery life.

[0003] However, during the production of lithium battery protection boards, the surface flatness directly impacts the contact quality between the board and the battery cell, and thus the overall performance and safety of the battery. Traditional testing methods often rely on manual measurement using rulers or other simple tools, which is not only inefficient but also difficult to ensure measurement accuracy.

[0004] Therefore, the present application proposes a device for detecting the surface flatness of a lithium battery protection plate to solve the above-mentioned problem. Utility Model Content

[0005] The purpose of the utility model is to provide a device for detecting the surface flatness of a lithium battery protection plate, which solves the technical problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for detecting the surface flatness of a lithium battery protection plate, comprising a lower support plate, so that an upper support plate is provided above the lower support plate, four corners of the upper surface of the lower support plate are fixedly connected to support columns, the upper ends of the support columns are fixedly connected to the lower ends of the upper support plate, the upper end of the upper support plate is fixedly connected to an abutting electric push rod, the output end of the abutting electric push rod passes through the upper support plate and is fixedly connected to a connecting frame, an angle adjustment servo motor is provided on the inner side of the connecting frame, the output end of the angle adjustment servo motor passes through the lower side wall of the connecting frame and is connected to a moving mechanism, and a plurality of abutting detection mechanisms are provided below the moving mechanism;

[0007] The movable frame is located below the connecting frame, and the upper end of the movable frame is fixedly connected to the output end of the angle adjustment servo motor. The right end of the movable frame is fixedly connected to the movable motor, and the output end of the movable motor is fixedly connected to the movable screw rod. The left end of the movable screw rod passes through the right side wall of the movable frame and is rotatably connected to the left inner wall of the movable frame. A movable plate is provided on the inner side of the movable frame, and the movable screw rod passes through the movable plate and is threadedly connected to the movable plate. The upper end of the movable plate is slidably connected to the inner wall of the upper side of the movable frame through a limiting slide groove.

[0008] Preferably, the abutment detection mechanism is fixed at the lower end of the movable plate, and the abutment detection mechanism includes a sliding cylinder, the upper end of the sliding cylinder is fixedly connected to the lower end of the movable plate, the upper inner wall of the sliding cylinder is fixedly connected with a pressure detection sensor, a partition is provided below the pressure detection sensor, the lower end of the partition is fixedly connected with a buffer spring, the lower end of the buffer spring is fixedly connected with the sliding plate, the lower end of the sliding plate is fixedly connected with a sliding rod, the lower end of the sliding rod passes through the lower side wall of the sliding cylinder, and is fixedly connected with an auxiliary frame, the auxiliary frame is U-shaped, and an abutment wheel is provided on the inner side of the auxiliary frame, and the front and rear side walls of the abutment wheel are rotatably connected to the front and rear side inner walls of the auxiliary frame respectively.

[0009] Preferably, an anti-slip rubber layer is provided on the outer side wall of the abutment wheel.

[0010] Preferably, the upper end of the lower support plate is fixedly connected to a support box, the upper end of the upper support plate is fixedly connected to a negative pressure pump, the negative pressure suction end of the negative pressure pump is fixedly connected to a negative pressure connecting pipe, the end of the negative pressure connecting pipe away from the negative pressure pump is connected to the support box, a number of negative pressure adsorption holes are opened on the upper side wall of the support box, and the support box is located directly below the abutment detection mechanism.

[0011] Preferably, a control display screen is provided on the upper support plate.

[0012] Compared with related technologies, the device for detecting the surface flatness of a lithium battery protection plate provided by the present invention has the following beneficial effects:

[0013] 1. The utility model provides a device for detecting the flatness of a surface of a lithium battery protection plate. In the device, a support box is provided on the lower support plate, and a negative pressure adsorption hole is provided on the upper side wall of the support box. When in use, a negative pressure pump and the support box cooperate to realize negative pressure adsorption of the protection plate to be detected, thereby fixing the position of the protection plate to be detected, and avoiding damage to the protection plate caused by traditional mechanical clamping; during detection, an abutment electric push rod is used to push the abutment detection mechanism toward the position of the protection plate. When the pressure detection sensor detects a pressure value, the abutment electric push rod is paused and the moving motor is turned on. As the moving motor drives the moving screw to rotate, the moving plate and the abutment detection mechanism are driven to move along the direction of the moving screw. When encountering an uneven position, the elastic force of the buffer spring for the detection of the pressure detection sensor is different. When the pressure detection sensor detects that the dial range exceeds the allowable difference, a warning is given through the control display screen. Through the combination of pressure detection sensors and buffer springs, the device can accurately measure the flatness of the surface of the lithium battery protection plate, ensuring the accuracy and reliability of the test results; the device integrates automation components such as abutment electric push rods, angle adjustment servo motors, and mobile motors, which can automatically complete the detection process, improving detection efficiency and the automation level of the production line.

[0014] 2. The utility model provides a surface flatness detection device for a lithium battery protection plate. An angle adjustment servo motor is provided above a movable frame in the device. The rotation operation of the movable frame is realized by setting the angle adjustment servo motor, thereby driving a plurality of abutment detection mechanisms to rotate. With the cooperation of the movable mechanism, detection can be performed from different directions, thereby improving the comprehensiveness and accuracy of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from another angle;

[0017] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional three-dimensional structure of the abutment detection mechanism of the present invention;

[0019] Figure 5 for Figure 4 A partial enlarged view of point A in the middle.

[0020] In the figure: 1. Lower support plate; 2. Support column; 3. Upper support plate; 4. Control display screen; 5. Negative pressure pump; 6. Support box; 7. Negative pressure adsorption hole; 8. Abutment electric push rod; 9. Negative pressure connecting pipe; 10. Connecting frame; 11. Angle adjustment servo motor; 12. Moving frame; 13. Moving motor; 14. Moving screw rod; 15. Moving plate; 16. Abutment detection mechanism; 17. Sliding cylinder; 18. Pressure detection sensor; 19. Buffer spring; 20. Sliding plate; 21. Sliding rod; 22. Auxiliary frame; 23. Abutment wheel; 24. Partition. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only 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 ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-5The cam 12 is provided with a plurality of support members 3, and the support members 3 are provided with a plurality of support members 3. The support members 3 are provided with a plurality of support members 3. The support members 3 are provided with a plurality of support members 3. The support members 3 are provided with a plurality of support members 3.

[0023] The moving mechanism includes a moving frame 12, which is located below the connecting frame 10. The upper end of the moving frame 12 is fixedly connected to the output end of the angle adjustment servo motor 11. The right end of the moving frame 12 is fixedly connected to the moving motor 13. The output end of the moving motor 13 is fixedly connected to the moving screw 14. The left end of the moving screw 14 passes through the right side wall of the moving frame 12 and is rotatably connected to the left inner wall of the moving frame 12. A moving plate 15 is provided on the inside of the moving frame 12. The moving screw 14 passes through the moving plate 15 and is threadedly connected to the moving plate 15. The upper end of the moving plate 15 is slidably connected to the upper inner wall of the moving frame 12 through a limiting slide groove.

[0024] The abutment detection mechanism 16 is fixed to the lower end of the movable plate 15, and the abutment detection mechanism 16 includes a sliding cylinder 17, the upper end of the sliding cylinder 17 is fixedly connected to the lower end of the movable plate 15, and the upper inner wall of the sliding cylinder 17 is fixedly connected to the pressure detection sensor 18. A partition 24 is provided below the pressure detection sensor 18, and the lower end of the partition 24 is fixedly connected to a buffer spring 19. The lower end of the buffer spring 19 is fixedly connected to the sliding plate 20. The lower end of the sliding plate 20 is fixedly connected to a sliding rod 21. The lower end of the sliding rod 21 passes through the lower side wall of the sliding cylinder 17 and is fixedly connected to an auxiliary frame 22. The auxiliary frame 22 is U-shaped, and an abutment wheel 23 is provided on the inner side of the auxiliary frame 22. The front and rear side walls of the abutment wheel 23 are respectively rotatably connected to the front and rear side inner walls of the auxiliary frame 22. An anti-skid rubber layer is provided on the outer wall of the abutment wheel 23. The setting of the anti-skid rubber layer effectively prevents the abutment wheel 23 from directly contacting the protection plate to be detected and causing damage to the protection plate;

[0025] During testing, the abutment electric push rod 8 is used to push the abutment detection mechanism 16 toward the position of the protection plate. When the pressure detection sensor 18 detects a pressure value, the abutment electric push rod 8 is paused and the moving motor 13 is turned on. As the moving motor 13 drives the moving screw 14 to rotate, the moving plate 15 and the abutment detection mechanism 16 are moved along the direction of the moving screw 14. When encountering an uneven position, the elastic force of the buffer spring 19 for the detection of the pressure detection sensor 18 is different. When the pressure detection sensor 18 detects that the dial range exceeds the allowable difference, a warning is issued through the control display screen 4. Through the combination of the pressure detection sensor 18 and the buffer spring 19, the device can accurately measure the flatness of the surface of the lithium battery protection plate, ensuring the accuracy and reliability of the test results.

[0026] The upper end of the lower support plate 1 is fixedly connected to the support box 6, and the upper end of the upper support plate 3 is fixedly connected to the negative pressure pump 5. The negative pressure suction end of the negative pressure pump 5 is fixedly connected to the negative pressure connecting pipe 9. The negative pressure connecting pipe 9 is connected to the support box 6 at one end away from the negative pressure pump 5. A number of negative pressure adsorption holes 7 are provided on the upper side wall of the support box 6. The support box 6 is located directly below the abutment detection mechanism 16. When in use, the negative pressure pump 5 is used to provide negative pressure to the support box 6, and the negative pressure adsorption holes 7 are used to fix the position of the protective plate to be detected, thereby avoiding movement or shaking of the protective plate during the detection process and improving the accuracy of the detection.

[0027] Working principle: When in use, the protective plate to be detected is placed on the support box 6, the negative pressure pump 5 is used to provide negative pressure for the support box 6, the negative pressure adsorption hole 7 is used to fix the position of the protective plate to be detected, and the abutment electric push rod 8 is used to push the abutment detection mechanism 16 closer to the position of the protective plate. When the pressure detection sensor 18 detects the pressure value, the abutment electric push rod 8 is paused, and the moving motor 13 is turned on. As the moving motor 13 drives the moving screw 14 to rotate, the moving plate 15 and the abutment detection mechanism 16 are driven to move in the direction of the moving screw 14. When encountering an uneven position, the elastic force of the buffer spring 19 for the detection of the pressure detection sensor 18 is different. When the pressure detection sensor 18 detects that the dial range exceeds the allowable difference, an alarm is issued through the control display screen 4. Through the combination of pressure detection sensor 18 and buffer spring 19, the device can accurately measure the flatness of the surface of the lithium battery protection plate, ensuring the accuracy and reliability of the detection results; the device integrates automation components such as abutment electric push rod 8, angle adjustment servo motor 11, and moving motor 13, and can automatically complete the detection process, thereby improving the detection efficiency and the automation level of the production line. An angle adjustment servo motor 11 is provided above the moving frame 12. The angle adjustment servo motor 11 is set to realize the rotation operation of the moving frame 12, and then can drive several abutment detection mechanisms 16 to rotate, and with the cooperation of the moving mechanism, detection from different directions can be realized, thereby improving the comprehensiveness and accuracy of the detection.

Claims

1. A device for detecting the surface flatness of a lithium battery protection plate, comprising a lower support plate (1), characterized in that: Therefore, an upper support plate (3) is provided above the lower support plate (1), and the four corners of the upper surface of the lower support plate (1) are fixedly connected with support columns (2), the upper ends of the support columns (2) are fixedly connected to the lower ends of the upper support plate (3), and the upper ends of the upper support plate (3) are fixedly connected with abutting electric push rods (8), the output ends of the abutting electric push rods (8) pass through the upper support plate (3) and are fixedly connected with a connecting frame (10), an angle adjustment servo motor (11) is provided on the inner side of the connecting frame (10), the output ends of the angle adjustment servo motor (11) pass through the lower side wall of the connecting frame (10) and are connected with a moving mechanism, and a plurality of abutting detection mechanisms (16) are provided below the moving mechanism; The moving mechanism comprises a moving frame (12), the moving frame (12) is located below the connecting frame (10), the upper end of the moving frame (12) is fixedly connected to the output end of the angle adjustment servo motor (11), the right end of the moving frame (12) is fixedly connected to the moving motor (13), the output end of the moving motor (13) is fixedly connected to the moving screw rod (14), the left end of the moving screw rod (14) passes through the right side wall of the moving frame (12) and is rotatably connected to the left inner wall of the moving frame (12), a moving plate (15) is provided on the inner side of the moving frame (12), the moving screw rod (14) passes through the moving plate (15) and is threadedly connected to the moving plate (15), and the upper end of the moving plate (15) is slidably connected to the upper inner wall of the moving frame (12) through a limiting sliding groove.

2. The device for detecting the surface flatness of a lithium battery protection plate according to claim 1, characterized in that: The abutment detection mechanism (16) is fixed to the lower end of the movable plate (15), and the abutment detection mechanism (16) includes a sliding cylinder (17). The upper end of the sliding cylinder (17) is fixedly connected to the lower end of the movable plate (15). A pressure detection sensor (18) is fixedly connected to the upper inner wall of the sliding cylinder (17). A partition (24) is provided below the pressure detection sensor (18). The lower end of the partition (24) is fixedly connected to a buffer spring (19). The buffer The lower end of the spring (19) is fixedly connected to a sliding plate (20), the lower end of the sliding plate (20) is fixedly connected to a sliding rod (21), the lower end of the sliding rod (21) passes through the lower side wall of the sliding cylinder (17), and is fixedly connected to an auxiliary frame (22), the auxiliary frame (22) is U-shaped, and an abutment wheel (23) is provided on the inner side of the auxiliary frame (22), and the front and rear side walls of the abutment wheel (23) are respectively rotatably connected to the front and rear side inner walls of the auxiliary frame (22).

3. The device for detecting the surface flatness of a lithium battery protection plate according to claim 2, characterized in that: An anti-slip rubber layer is provided on the outer side wall of the abutting wheel (23).

4. The device for detecting the surface flatness of a lithium battery protection plate according to claim 1, characterized in that: The upper end of the lower support plate (1) is fixedly connected to a support box (6), the upper end of the upper support plate (3) is fixedly connected to a negative pressure pump (5), the negative pressure suction end of the negative pressure pump (5) is fixedly connected to a negative pressure connecting pipe (9), the end of the negative pressure connecting pipe (9) away from the negative pressure pump (5) is connected to the support box (6), a plurality of negative pressure adsorption holes (7) are provided on the upper side wall of the support box (6), and the support box (6) is located directly below the abutment detection mechanism (16).

5. The device for detecting the surface flatness of a lithium battery protection plate according to claim 1, characterized in that: A control display screen (4) is provided on the upper support plate (3).

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