Appearance detection equipment for lithium battery shell

Abstract

The utility model relates to the technical field of detection, in particular to lithium battery shell appearance detection equipment. First sliding rails are arranged on the two sides of the top of the rack, and carrier assemblies are arranged on the first sliding rails in a sliding fit mode. A gantry bracket is arranged on the rack, an upper image detection device is arranged on the gantry bracket, and a lower image detection device matched with the upper image detection device is arranged at the lower part of the rack; a weighing mechanism close to the tail end of the first sliding rail is further arranged on the lower portion of the rack. According to the appearance detection equipment for the lithium battery case, the lithium battery case is placed on the carrier assembly, the carrier assembly slides along the first sliding rail, the upper image detection device and the lower image detection device detect the upper face and the lower face of the lithium battery case respectively when the lithium battery case passes through the gantry support, and the lithium battery case is taken out when reaching the weighing mechanism. Whether the weight of the lithium battery shell reaches the standard or not is detected, and the image of the battery shell can be quickly and accurately captured and analyzed, so that dimensional deviation and appearance defects such as surface scratches, pits, bubbles, foreign matters and cracks can be detected.

Description

Technical Field

[0001] The utility model relates to the technical field of detection, and in particular to a lithium battery shell appearance detection device. Background Art

[0002] The battery shell of new energy vehicles is an important part of the power battery system (battery pack). Its main function is to carry and protect the battery module, electrical module, cooling module and other power battery system components. At the same time, it can also provide a certain degree of protection for the battery and electrical system when the vehicle is hit or squeezed by the outside world. Various process defects will occur in the production process, which will affect the safety of the later use of the car, so the product needs to be tested. Traditional testing requires manual visual inspection and manual movement to weighing equipment for weight control, but it is easy to make mistakes due to manual fatigue and unskilledness, causing unqualified products to flow out, and the manual inspection method is inefficient and does not meet the needs of modern production. Utility Model Content

[0003] In view of the defects in the prior art, the utility model provides a lithium battery shell appearance detection device.

[0004] The technical solution adopted by the utility model is: a lithium battery shell appearance inspection device, including a frame, first slide rails are arranged on both sides of the top of the frame, and a carrier assembly is slidably matched on the first slide rails; a gantry bracket is arranged on the frame, an upper image detection device is arranged on the gantry bracket, and a lower image detection device matched with the upper image detection device is arranged at the lower part of the frame; a weighing mechanism close to the end of the first slide rail is also arranged at the lower part of the frame.

[0005] In order to better realize the utility model, the upper image detection device includes a second slide rail and a third slide rail which are arranged on the gantry bracket and staggered in the vertical direction. The first camera assembly is slidably matched on the second slide rail, and the second camera assembly is slidably matched on the third slide rail.

[0006] In order to better realize the utility model, the lower image detection device includes a fourth slide rail and a fifth slide rail which are arranged at the lower part of the frame and staggered in the vertical direction. The third camera assembly is slidably fitted on the fourth slide rail, and the fourth camera assembly is slidably fitted on the fifth slide rail; the position of the first camera assembly corresponds to the position of the third camera assembly, and the position of the second camera assembly corresponds to the position of the fourth camera assembly.

[0007] In order to better implement the present utility model, the first camera assembly, the second camera assembly, the third camera assembly and the fourth camera assembly all include a sliding seat, a camera mounting plate is connected to the sliding seat, and a high-speed camera is installed in the middle of the camera mounting plate.

[0008] To better implement the present utility model, a reinforcing rib plate connected to the sliding seat is further provided on the camera mounting plate.

[0009] To better implement the present utility model, the weighing mechanism includes a lifting cylinder disposed at the lower part of the frame, and the telescopic rod of the lifting cylinder is vertically upward and connected to a weighing bracket.

[0010] The beneficial effects of the present utility model are embodied in: the appearance detection device for lithium battery cases of the present utility model, through the cooperation of the frame, the first slide rail, the carrier assembly, the gantry bracket, the upper image detection device, the lower image detection device, and the weighing mechanism, etc., during detection, the lithium battery case is placed on the carrier assembly, and the carrier assembly slides along the first slide rail. When passing through the gantry bracket, the upper image detection device and the lower image detection device respectively detect the upper and lower surfaces of the lithium battery case. When reaching the weighing mechanism, it detects whether the weight of the lithium battery case meets the standard, and can quickly and accurately capture and analyze the image of the battery case, so as to detect dimensional deviations and appearance defects, such as surface scratches, depressions, bubbles, foreign objects, and cracks, etc. It can realize automatic feeding, positioning, detection, and classification of the battery case by integrating sensors, actuators, and control systems. At the same time, through communication and data processing with the production line, it realizes real-time feedback of the detection results, quality control, and control of the product weight; ensures the accuracy of detection, improves production efficiency, and guarantees the production quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. 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 actual scale.

[0012] Figure 1 It is a schematic structural diagram of an appearance detection device for lithium battery cases of the present utility model;

[0013] Figure 2 It is a schematic structural diagram of a camera assembly of an appearance detection device for lithium battery cases of the present utility model;

[0014] In the drawings, 1 - frame, 2 - first slide rail, 3 - carrier assembly, 4 - gantry bracket, 5 - second slide rail, 6 - first camera assembly, 7 - third slide rail, 8 - second camera assembly, 9 - fourth slide rail, 10 - third camera assembly, 11 - fifth slide rail, 12 - fourth camera assembly, 13 - weighing bracket, 14 - sliding seat, 15 - camera mounting plate, 16 - high-speed camera, 17 - reinforcing rib plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The embodiments of the technical solution of the present utility model will be described in detail below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present utility model, so they are only examples and cannot be used to limit the protection scope of the present utility model.

[0016] It should be noted that unless otherwise specified, the technical terms or scientific terms used in this application should have the ordinary meanings understood by those skilled in the field of the present utility model.

[0017] Embodiment:

[0018] As Figure 1 、 Figure 2 shown, the appearance detection device for a lithium battery case of the present utility model includes a frame 1. On both sides of the top of the frame 1, first slide rails 2 are provided, and a carrier assembly 3 is slidably fitted on the first slide rails 2; a gantry bracket 4 is provided on the frame 1, and an upper image detection device is provided on the gantry bracket 4. A lower image detection device cooperating with the upper image detection device is provided at the lower part of the frame 1; a weighing mechanism is further provided at the lower part of the frame 1 near the end of the first slide rail 2. The appearance detection device for a lithium battery case of the present utility model, through the cooperation of the frame 1, the first slide rails 2, the carrier assembly 3, the gantry bracket 4, the upper image detection device, the lower image detection device, and the weighing mechanism, etc., when performing detection, place the lithium battery case on the carrier assembly 3, let the carrier assembly 3 slide along the first slide rail 2, and when passing through the gantry bracket 4, the upper image detection device and the lower image detection device respectively detect the upper and lower surfaces of the lithium battery case. When reaching the weighing mechanism, detect whether the weight of the lithium battery case meets the standard, and can quickly and accurately capture and analyze the image of the battery case, so as to detect size deviations and appearance defects, such as surface scratches, depressions, bubbles, foreign objects, and cracks, etc. It should be noted that this embodiment is only a display and description of the mechanical structure. In actual use, this device also cooperates with some other electronic devices to achieve functions. For example, through integrated sensors, actuators, and control systems, automatic feeding, positioning, detection, and classification of the battery case are realized. At the same time, through communication and data processing with the production line, real-time feedback of the detection results, quality control, and product weight control are realized; the accuracy of detection is ensured, the production efficiency is improved, and the production quality of the product is ensured.

[0019] Preferably, the upper image detection device includes a second slide rail 5 and a third slide rail 7 which are arranged on the gantry support 4 and are staggered in the vertical direction. A first camera assembly 6 is slidably engaged with the second slide rail 5, and a second camera assembly 8 is slidably engaged with the third slide rail 7. After such a design, the first camera assembly 6 slides back and forth on the second slide rail 5, and the second camera assembly 8 slides back and forth on the third slide rail 7. When the lithium battery case reaches below the gantry support 4 driven by the carrier assembly 3, the first camera assembly 6 and the second camera assembly 8 can respectively take pictures of multiple positions on the lithium battery case, which is convenient for the computer to perform image analysis to detect size deviations and appearance defects, such as surface scratches, depressions, bubbles, foreign objects, and cracks, etc.

[0020] Preferably, the lower image detection device includes a fourth slide rail 9 and a fifth slide rail 11 which are arranged at the lower part of the frame 1 and are staggered in the vertical direction. A third camera assembly 10 is slidably engaged with the fourth slide rail 9, and a fourth camera assembly 12 is slidably engaged with the fifth slide rail 11; the position of the first camera assembly 6 corresponds to the position of the third camera assembly 10, and the position of the second camera assembly 8 corresponds to the position of the fourth camera assembly 12. After such a design, the third camera assembly 10 slides back and forth on the fourth slide rail 9, and the fourth camera assembly 12 slides back and forth on the fifth slide rail 11. When the lithium battery case reaches below the gantry support 4 driven by the carrier assembly 3, the third camera assembly 10 and the fourth camera assembly 12 can respectively take pictures of multiple positions on the bottom surface of the lithium battery case, which is convenient for the computer to perform image analysis to detect size deviations and appearance defects, such as surface scratches, depressions, bubbles, foreign objects, and cracks, etc. Preferably, the first camera assembly 6, the second camera assembly 8, the third camera assembly 10, and the fourth camera assembly 12 all include a sliding seat 14, a camera mounting plate 15 is connected to the sliding seat 14, and a high-speed camera 16 is installed in the middle of the camera mounting plate 15.

[0021] Preferably, a reinforcing rib plate 17 connected to the sliding seat 14 is further arranged on the camera mounting plate 15, which enhances the mechanical stability.

[0022] Preferably, the weighing mechanism includes a lifting cylinder arranged at the lower part of the frame 1. The telescopic rod of the lifting cylinder is vertically upward and is connected with a weighing bracket 13. When the carrier module 3 carries the lithium battery case above the weighing bracket 13, the lifting cylinder is started, and the telescopic rod vertically extends upward to drive the weighing bracket 13 to lift upward for weighing, so that the weight can be conveniently detected.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of the present invention, and they should all be covered by the scope of the claims and the specification of the present invention.

Claims

1. Lithium battery shell appearance inspection equipment, characterized by: The invention comprises a frame (1), first slide rails (2) are arranged on both sides of the top of the frame (1), and a carrier assembly (3) is slidably matched on the first slide rails (2); a gantry bracket (4) is arranged on the frame (1), an upper image detection device is arranged on the gantry bracket (4), and a lower image detection device matched with the upper image detection device is arranged at the lower part of the frame (1); and a weighing mechanism close to the end of the first slide rail (2) is also arranged at the lower part of the frame (1).

2. The lithium battery shell appearance inspection device according to claim 1, characterized in that: The upper image detection device comprises a second slide rail (5) and a third slide rail (7) which are arranged on a gantry bracket (4) and staggered in the vertical direction, a first camera assembly (6) is slidably engaged on the second slide rail (5), and a second camera assembly (8) is slidably engaged on the third slide rail (7).

3. The lithium battery shell appearance inspection device according to claim 2, characterized in that: The lower image detection device comprises a fourth slide rail (9) and a fifth slide rail (11) which are arranged at the lower part of the frame (1) and staggered in the vertical direction; a third camera assembly (10) is slidably fitted on the fourth slide rail (9), and a fourth camera assembly (12) is slidably fitted on the fifth slide rail (11); the position of the first camera assembly (6) corresponds to the position of the third camera assembly (10), and the position of the second camera assembly (8) corresponds to the position of the fourth camera assembly (12).

4. The lithium battery shell appearance inspection device according to claim 3, characterized in that: The first camera assembly (6), the second camera assembly (8), the third camera assembly (10) and the fourth camera assembly (12) all include a sliding seat (14), a camera mounting plate (15) is connected to the sliding seat (14), and a high-speed camera (16) is installed in the middle of the camera mounting plate (15).

5. The lithium battery shell appearance inspection device according to claim 4, characterized in that: A reinforcing rib plate (17) connected to the sliding seat (14) is also provided on the camera mounting plate (15).

6. The lithium battery shell appearance inspection device according to claim 1, characterized in that: The weighing mechanism comprises a lifting cylinder arranged at the lower part of the frame (1); the telescopic rod of the lifting cylinder is vertically upward and is connected to a weighing bracket (13).

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