An X-ray for detecting defects in cylindrical batteries

Abstract

This utility model relates to the field of X-ray inspection device technology, specifically disclosing an X-ray for detecting defects in cylindrical batteries. It includes a base, with an inspection mechanism and a feeding mechanism on the upper surface of the base. Multiple cylindrical batteries are clamped and fixed by two limiting strips. Then, a column, in conjunction with a top plate, moves two mounting brackets to interchange positions, conveying multiple cylindrical batteries into the inspection mechanism for inspection. During the inspection process, the above steps are repeated, with another two limiting strips clamping and fixing other cylindrical batteries. After the inspection, the column, in conjunction with the top plate, moves the two mounting brackets to interchange positions again, and the above steps are repeated continuously, thus simultaneously inspecting multiple cylindrical batteries. This achieves high efficiency in batch inspection of cylindrical batteries, eliminating the need for frequent stoppages for individual inspection and effectively improving the inspection efficiency.

Description

Technical Field

[0001] This utility model relates to the field of X-ray inspection device technology, and specifically discloses an X-ray for detecting defects in cylindrical batteries. Background Technology

[0002] When inspecting cylindrical batteries using X-rays, a direct testing method is generally employed. This involves placing the battery in front of an X-ray source, allowing X-rays to irradiate it before reaching the X-ray detector. Due to the different materials and overlapping thicknesses of the positive and negative electrodes, the X-rays absorb them differently, resulting in varying intensities. The X-ray detector uses these intensities to map the internal morphology of the battery and measure the alignment of the positive and negative electrodes. This method works well for materials of uniform thickness and produces good results even for small-diameter cylindrical batteries. However, as the diameter of the cylindrical battery increases, the difference in thickness between the central and edge sections becomes more pronounced. When the X-ray intensity remains constant, the absorption difference between the central and edge sections becomes significant, leading to noticeable image differences. Simply adjusting the X-ray intensity cannot achieve the same clarity in mapping the internal morphology of the central and edge sections, making simultaneous assessment of both sections impossible. Therefore, existing technologies utilize a matching and docking method between movable and fixed splicing mounts to ensure thickness consistency.

[0003] Chinese Patent Publication No. CN116698888A discloses an X-ray detection device and method for detecting cylindrical batteries. The X-ray detection device includes an X-ray emitting end, an X-ray detector, and a mounting base. The X-ray emitting end emits X-rays along a preset direction. The X-ray detector detects the image formed after the X-rays pass through the cylindrical battery. The mounting base has a circular positioning groove for accommodating the cylindrical battery. The mounting base includes a first outer wall and a second outer wall arranged parallel to each other, both perpendicular to the preset direction. The projections of the positioning groove onto the plane of the first outer wall are both located within the first outer wall, and the projections of the positioning groove onto the plane of the second outer wall are both located within the second outer wall. By using a mounting base, the thickness through which the X-rays pass is the same regardless of whether they pass through the central or edge section, allowing for simultaneous determination of both the central and edge sections.

[0004] With the rapid development of technology, the above-mentioned device has the following shortcomings:

[0005] While the existing technology has solved the problem of consistent thickness, its detection efficiency is very low. For a single cylindrical battery, the entire detection line needs to be stopped and the line can only be restarted after the detection of one cylindrical battery is completed, and then the next cylindrical battery can be detected. This mode cannot meet the high efficiency requirements of batch detection, so the existing design needs to be further improved. Utility Model Content

[0006] This invention proposes an X-ray for detecting defects in cylindrical batteries, which can simultaneously inspect multiple cylindrical batteries to achieve high efficiency in batch inspection of cylindrical batteries, eliminating the need for frequent shutdowns to inspect individual cylindrical batteries, thus effectively improving the inspection efficiency of cylindrical batteries.

[0007] This utility model is implemented as follows: an X-ray for detecting defects in cylindrical batteries includes a base, and the upper surface of the base is provided with a detection mechanism and a feeding mechanism.

[0008] The feeding mechanism includes a conveyor mounted on the upper surface of the base. A column located between the detection mechanism and the conveyor is rotatably connected to the upper surface of the base. A top plate is fixedly connected to the upper end of the column. Two electric telescopic rods are mounted on the upper surface of the top plate. The output ends of the two electric telescopic rods extend to the bottom of the top plate and are fixedly connected to a mounting frame with a U-shaped mechanism. Two matching limiting strips are slidably connected to the front and rear inner side walls of the mounting frame. Limiting grooves are opened on the opposite side wall of the two limiting strips. The two mounting frames are located directly above the detection mechanism and the conveyor, respectively.

[0009] As a preferred X-ray method for detecting defects in cylindrical batteries according to this utility model, the detection mechanism includes a detection platform fixedly connected to the upper surface of the base. An X-ray emitting cabinet and an X-ray detection cabinet distributed on the left and right sides are installed on the upper surface of the detection platform. Multiple X-ray emitting heads and X-ray detectors that are evenly distributed and matched with each other are respectively arranged on the opposite side wall of the X-ray emitting cabinet and the X-ray detection cabinet.

[0010] As a preferred X-ray method for detecting defects in cylindrical batteries according to this utility model, the mounting bracket has grooves on both the front and rear inner walls. A screw is rotatably connected inside the rear groove. Slider blocks matching the grooves are fixedly connected to the front and rear inner walls of the two limiting strips. The two rear sliders are threadedly connected to the screw.

[0011] As a preferred X-ray method for detecting defects in cylindrical batteries according to this utility model, a first drive motor is installed on the lower end face of the base, and the output end of the first drive motor is fixedly connected to the column.

[0012] As a preferred X-ray method for detecting defects in cylindrical batteries according to this utility model, a second drive motor is installed inside the rear side wall of the mounting bracket, and the output end of the second drive motor is fixedly connected to the screw.

[0013] As a preferred X-ray method for detecting defects in cylindrical batteries according to this utility model, two corresponding limiting grooves are grouped together, and a circular hole matching the cylindrical battery is formed between each group of limiting grooves. A protective pad is fixedly connected to the inner wall of each group of limiting grooves.

[0014] As a preferred X-ray method for detecting defects in cylindrical batteries according to this invention, the screw is configured as a bidirectional screw structure.

[0015] The beneficial effects of this utility model are:

[0016] Multiple cylindrical batteries are clamped and fixed by two limiting strips. Then, the column and top plate move the two mounting brackets to switch positions, conveying the multiple cylindrical batteries into the testing mechanism for testing. During the testing process, the above steps are repeated, with other cylindrical batteries clamped and fixed by two more limiting strips. After the testing of the cylindrical batteries is completed, the column and top plate move the two mounting brackets to switch positions again, and the above steps are repeated continuously, thus simultaneously testing multiple cylindrical batteries. This achieves the high efficiency requirement of batch testing of cylindrical batteries, eliminating the need for frequent and multiple shutdowns to test individual cylindrical batteries, effectively improving the testing efficiency of cylindrical batteries. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a front cross-sectional view of the present invention.

[0020] Figure 3 This is a top view cross-sectional structural diagram of the present invention.

[0021] The markings in the diagram are: 1. Base; 2. Conveyor; 3. Column; 4. Top plate; 5. Electric telescopic rod; 6. Mounting frame; 7. Limiting strip; 8. Limiting groove; 9. Detection table; 10. X-ray emission cabinet; 11. X-ray detection cabinet; 12. X-ray emission head; 13. X-ray detector; 14. Slide rail; 15. Screw; 16. Slider; 17. First drive motor; 18. Second drive motor. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0023] Please see Figure 1-3 An X-ray for detecting defects in cylindrical batteries includes a base 1, with a detection mechanism and a feeding mechanism disposed on the upper surface of the base 1.

[0024] The feeding mechanism includes a conveyor 2 installed on the upper surface of the base 1. A column 3 located between the detection mechanism and the conveyor 2 is rotatably connected to the upper surface of the base 1. A top plate 4 is fixedly connected to the upper end of the column 3. Two electric telescopic rods 5 are installed on the upper surface of the top plate 4. The output ends of the two electric telescopic rods 5 extend to the bottom of the top plate 4 and are fixedly connected to a mounting frame 6 in the shape of a gate. Two matching limit strips 7 are slidably connected to the front and rear inner side walls of the mounting frame 6. Limit grooves 8 are opened on the opposite side wall of the two limit strips 7. The two mounting frames 6 are located directly above the detection mechanism and the conveyor 2, respectively.

[0025] In this embodiment: During use, multiple cylindrical batteries are placed on the conveyor 2 and transported to the area below the mounting frame 6 on the right side. Then, the electric telescopic rod 5 on the right side moves the mounting frame 6 downward, causing the mounting frame 6 to move the two limiting strips 7 downward to both sides of the multiple cylindrical batteries. Then, the two limiting strips 7 move in opposite directions, allowing the cylindrical batteries to enter the circular holes formed between each set of limiting grooves 8, and clamping and fixing the multiple cylindrical batteries through each set of limiting grooves 8. Then, the electric telescopic rod 5 on the right side moves the mounting frame 6 upward to reset. Then, the column 3 rotates 180 degrees, and the column 3, in conjunction with the top plate 4, moves the two mounting frames 6 to switch positions, so that the cylindrical batteries are clamped. The mounting bracket 6 moves above the testing mechanism, and then the mounting bracket 6 holding the cylindrical battery moves downward, allowing the cylindrical battery to enter the testing mechanism. The testing mechanism then tests multiple cylindrical batteries. During the testing process, the above steps are repeated, and other cylindrical batteries are clamped and fixed by two other limiting strips 7. After the testing of the cylindrical batteries is completed, the column 3 rotates in the reverse direction. The column 3, together with the top plate 4, drives the two mounting brackets 6 to switch positions again. Then, the above steps are repeated continuously, thereby testing multiple cylindrical batteries simultaneously. This achieves the high efficiency requirement of batch testing of cylindrical batteries, eliminating the need for frequent and multiple shutdowns to test cylindrical batteries individually, and effectively improving the testing efficiency of cylindrical batteries.

[0026] As a technical optimization of this utility model, the detection mechanism includes a detection platform 9 fixedly connected to the upper surface of the base 1. An X-ray emission cabinet 10 and an X-ray detection cabinet 11 distributed on the left and right sides are installed on the upper surface of the detection platform 9. A plurality of X-ray emission heads 12 and X-ray detectors 13 evenly distributed and matched in front and behind are respectively arranged on the opposite side wall of the X-ray emission cabinet 10 and the X-ray detection cabinet 11.

[0027] In this embodiment: when the cylindrical battery enters the detection mechanism, the X-ray emission cabinet 10 emits X-rays through multiple X-ray emission heads 12. After the X-rays irradiate the cylindrical battery to be tested, they reach the X-ray detector 13, and then the multiple cylindrical batteries are detected by X-rays.

[0028] As a technical optimization of this utility model, the mounting bracket 6 has a sliding groove 14 on both the front and rear inner sidewalls. A screw 15 is rotatably connected inside the rear sliding groove 14. The front and rear inner sidewalls of the two limiting strips 7 are fixedly connected with sliders 16 that match the sliding groove 14. The two rear sliders 16 are threadedly connected to the screw 15.

[0029] In this embodiment: the screw 15 rotates, and the screw 15, together with the two sliders 16 located behind it, drives the two limit bars 7 to move in opposite directions.

[0030] As a technical optimization of this utility model, a first drive motor 17 is installed on the lower end face of the base 1, and the output end of the first drive motor 17 is fixedly connected to the column 3.

[0031] In this embodiment, the first drive motor 17 can drive the column 3 to rotate.

[0032] As a technical optimization of this utility model, a second drive motor 18 is installed inside the rear side wall of the mounting bracket 6, and the output end of the second drive motor 18 is fixedly connected to the screw 15.

[0033] In this embodiment, the second drive motor 18 can drive the screw 15 to rotate.

[0034] As a technical optimization of this utility model, two corresponding limit grooves 8 are grouped together, and each group of limit grooves 8 forms a circular hole that matches the cylindrical battery. The inner wall of each group of limit grooves 8 is fixedly connected with a protective pad.

[0035] In this embodiment: the cylindrical battery can be clamped and fixed through the circular holes formed between each set of limiting grooves 8, and the protective pad can prevent the limiting grooves 8 from damaging the outer wall of the cylindrical battery.

[0036] As a technical optimization of this utility model, the screw 15 is configured as a bidirectional screw structure.

[0037] In this embodiment, the screw 15 is configured as a bidirectional screw structure, which enables the screw 15 to drive the two sliders 16 located behind it to move in opposite directions.

[0038] The working principle and usage process of this utility model are as follows: In use, multiple cylindrical batteries are placed on the conveyor 2 and transported to the area below the mounting frame 6 on the right side. Then, the electric telescopic rod 5 on the right side moves the mounting frame 6 downwards, causing the mounting frame 6 to move two limiting strips 7 downwards to both sides of the multiple cylindrical batteries. Next, the second drive motor 18 drives the screw 15 to rotate. The screw 15, in conjunction with the two sliders 16 located at the rear, moves the two limiting strips 7 in opposite directions, allowing the cylindrical batteries to enter the circular holes formed between each set of limiting grooves 8. The multiple cylindrical batteries are clamped and fixed by each set of limiting grooves 8. Then, the electric telescopic rod 5 on the right side moves the mounting frame 6 upwards to reset it. Finally, the first drive motor 17 rotates the column 3 180 degrees, and the column 3, in conjunction with the top plate 4, moves the two mounting frames 6 to interchange positions. The mounting bracket 6 holding the cylindrical battery is moved to the top of the testing mechanism, and then the mounting bracket 6 holding the cylindrical battery moves downward to allow the cylindrical battery to enter the testing mechanism. The testing mechanism then tests multiple cylindrical batteries. Specifically, the X-ray emission cabinet 10 emits X-rays through multiple X-ray emission heads 12. After the X-rays irradiate the cylindrical battery to be tested, they reach the X-ray detector 13, and then the X-rays are used to test multiple cylindrical batteries. During the testing process, the above steps are repeated, and other cylindrical batteries are clamped and fixed by two other limiting strips 7. After the cylindrical battery testing is completed, the column 3 rotates in the reverse direction. The column 3, together with the top plate 4, drives the two mounting brackets 6 to switch positions again, and then the above steps are repeated continuously to test multiple cylindrical batteries simultaneously, so as to achieve the high efficiency requirement of batch testing of cylindrical batteries.

[0039] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] However, the above description is only a specific embodiment of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.

Claims

1. An X-ray for cylindrical battery defect detection, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a detection mechanism and a feeding mechanism; The feeding mechanism includes a conveyor (2) installed on the upper surface of the base (1). The upper surface of the base (1) is rotatably connected to a column (3) located between the detection mechanism and the conveyor (2). The upper end of the column (3) is fixedly connected to a top plate (4). The upper surface of the top plate (4) is equipped with two electric telescopic rods (5). The output ends of the two electric telescopic rods (5) extend to the bottom of the top plate (4) and are fixedly connected to a mounting frame (6) in the shape of a gate. The front and rear inner side walls of the mounting frame (6) are slidably connected with two matching limit strips (7). The opposite side wall of the two limit strips (7) is provided with a limit groove (8). The two mounting frames (6) are located directly above the detection mechanism and the conveyor (2), respectively.

2. The X-ray for cylindrical battery defect detection according to claim 1, wherein: The detection mechanism includes a detection platform (9) fixedly connected to the upper surface of the base (1). The upper surface of the detection platform (9) is equipped with X-ray emission cabinets (10) and X-ray detection cabinets (11) distributed on the left and right. On the opposite side wall of the X-ray emission cabinets (10) and X-ray detection cabinets (11), a plurality of X-ray emission heads (12) and X-ray detectors (13) are respectively evenly distributed and matched in front and behind.

3. The X-ray for cylindrical battery defect detection according to claim 1, wherein: The mounting bracket (6) has grooves (14) on both the front and rear inner walls. A screw (15) is rotatably connected inside the rear groove (14). The front and rear inner walls of the two limiting strips (7) are fixedly connected with sliders (16) that match the grooves (14). The two sliders (16) at the rear are threadedly connected to the screw (15).

4. The X-ray for cylindrical battery defect detection of claim 1, wherein: The lower end face of the base (1) is equipped with a first drive motor (17), and the output end of the first drive motor (17) is fixedly connected to the column (3).

5. The X-ray for cylindrical battery defect detection according to claim 3, wherein: The second drive motor (18) is installed inside the rear side wall of the mounting bracket (6), and the output end of the second drive motor (18) is fixedly connected to the screw (15).

6. The X-ray for cylindrical battery defect detection according to claim 1, wherein: Two of the multiple limiting grooves (8) are grouped together, and each group of limiting grooves (8) forms a circular hole that matches the cylindrical battery. The inner wall of each group of limiting grooves (8) is fixedly connected with a protective pad.

7. The X-ray for cylindrical battery defect detection according to claim 3, wherein: The screw (15) is configured as a bidirectional screw structure.

Images