Position detection device for bar code and tab sealing slot position of battery

Abstract

The utility model relates to the technical field of battery production equipment, in particular to a position detection device for a bar code and a tab seal slot of a battery, which comprises a detection platform deck and a detection system, the platform deck of the detection platform deck is a backlight bearing surface, a backlight source is arranged below the backlight bearing surface, strip-shaped light sources are arranged on both sides of the detection platform deck, and the detection system is connected with the detection platform deck. A spherical integral light source is arranged above the backlight bearing surface, a bar code position detection camera and a tab seal slot visual detection camera are arranged in a center hole of the spherical integral light source, and the bar code position detection camera and the tab seal slot visual detection camera are both electrically connected to a detection system. According to the utility model, the bar code of the battery and the position detection of the tab sealing slot position are integrated at one station, the structure is compact, the occupied space is saved, the strip-shaped light source and the backlight source can be shared, the cost is saved, and when the position detection of the tab sealing slot position is carried out, the detection efficiency is improved. Different light sources can be selected according to a battery with a black aluminum plastic film or a silver aluminum plastic film, so that the detection accuracy is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production equipment, in particular to a position detection device for a battery barcode and a tab sealing slot. Background Art

[0002] With the development of modern society, mobile devices such as mobile phones, camcorders, laptops, portable DVDs and digital cameras have been used more and more widely, and the quality of batteries has become more and more stringent. In the production process of batteries, it is necessary not only to test the battery's dimensions, but also to test the battery's barcode position, the cell's tab margins, and the tab's seal slot position.

[0003] Among the existing patents, the Chinese patent document with application number 201520159544.2 discloses a battery inkjet detection device, including a fixture table, a positioning part for placing the battery on the fixture table to facilitate battery positioning, a first bracket fixed on the fixture table at one end of the positioning part, a camera facing the positioning part for detecting the battery inkjet position is provided at the top of the first bracket just above the positioning part, and a second bracket fixed on the fixture table at the other end of the positioning part, the second bracket is provided with a scanner for identifying the battery inkjet content, and the scanner and camera are connected to a data processing unit for identifying the inkjet content and its position and prompting the battery inkjet position status to realize data analysis and prompting. This patent document can only identify the inkjet content and its position.

[0004] In addition, the Chinese patent document with application number 202221925669.8 discloses a device for detecting welding marks on the tabs of a battery cell, including: two light sources, a camera and a processor. The two light sources are arranged at intervals and can be moved horizontally respectively, for lighting the positive tabs and negative tabs of the battery cell; the camera is arranged above the two light sources for collecting images of the battery cell; the processor is connected to the camera for detecting the welding marks on the tabs of the battery cell from the image after receiving the image to obtain the detection result. This patent document can only complete the detection of welding marks on the tabs of the battery cell, and the light source shoots the tabs of the battery cell vertically downward. The aluminum-plastic film of the battery cell easily causes light reflection, resulting in unclear shooting and difficulty in ensuring the accuracy of the detection.

[0005] It can be seen that in the prior art, when performing barcode position detection and lug seal slot position detection on a battery, two workstations are required to perform position detection on the barcode and lug seal slot respectively, which requires a large space and has high production costs.

[0006] Therefore, the defects are very obvious and a solution is urgently needed. Utility Model Content

[0007] In order to solve the above technical problems, the purpose of the utility model is to provide a device for detecting the position of the barcode and the tab seal slot of a battery.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A device for detecting the position of a barcode and a tab seal slot of a battery comprises a detection platform and a detection system, wherein the surface of the detection platform is a backlight bearing surface, a backlight source is arranged below the backlight bearing surface, strip light sources are arranged on both sides of the detection platform, and light from the strip light sources is obliquely irradiated on the battery on the backlight bearing surface, a spherical integrating light source is arranged above the backlight bearing surface, the spherical integrating light source is arranged opposite to the backlight source, a barcode position detection camera and a tab seal slot visual detection camera are arranged in the center hole of the spherical integrating light source, and the barcode position detection camera and the tab seal slot visual detection camera are both electrically connected to the detection system.

[0010] Furthermore, the backlight bearing surface is a glass platform.

[0011] Furthermore, the detection platform is a belt conveyor mechanism, the backlight bearing surface is a white conveyor belt rotatably arranged on the belt conveyor mechanism, the belt conveyor mechanism is used to drive the white conveyor belt to rotate, and the backlight source is located in the annular space of the white conveyor belt.

[0012] Furthermore, a first mounting bracket and a second mounting bracket are respectively arranged on the outside of both sides of the detection platform, and the spherical integral light source, the barcode position detection camera and the tab seal slot visual detection camera are all equipped with the first mounting bracket, and the first mounting bracket can adjust the height of the spherical integral light source, the barcode position detection camera and the tab seal slot visual detection camera. A strip light source is installed on the first mounting bracket, and the other strip light source is installed on the second mounting bracket. The first mounting bracket and the second mounting bracket can adjust the height and angle of the two strip light sources respectively.

[0013] The beneficial effects of the utility model: the utility model integrates the position detection of the battery barcode and the tab seal slot in one workstation, has a compact structure, saves space, can share the bar light source and the backlight source, reduces the number of components, saves costs, and when detecting the position of the tab seal slot, can select different light sources according to the battery with black aluminum-plastic film or silver-white aluminum-plastic film to ensure the accuracy of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the position detection device of the battery barcode and the tab sealing slot of the utility model.

[0015] Figure 2 It is a schematic plan view of the structure of the battery barcode and tab seal slot position detection device of the utility model.

[0016] Description of reference numerals:

[0017] 1. Detection platform; 2. Backlight bearing surface; 3. Backlight source; 4. Strip light source; 5. Spherical integrating light source; 6. Barcode position detection camera; 7. Tab seal slot visual detection camera; 8. First mounting bracket; 9. Second mounting bracket. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0019] like Figure 1 and Figure 2 As shown, the utility model provides a battery barcode and tab seal slot position detection device, which includes a detection platform 1 and a detection system, the table top of the detection platform 1 is a backlight bearing surface 2, a backlight source 3 is arranged below the backlight bearing surface 2, strip light sources 4 are arranged on both sides of the detection platform 1, and the light of the strip light sources 4 is obliquely irradiated on the battery on the backlight bearing surface 2, a spherical integrating light source 5 is arranged above the backlight bearing surface 2, the spherical integrating light source 5 is arranged opposite to the backlight source 3, and a barcode position detection camera 6 and a tab seal slot visual detection camera 7 are arranged in the center hole of the spherical integrating light source 5, and the barcode position detection camera 6 and the tab seal slot visual detection camera 7 are both electrically connected to the detection system.

[0020] In actual application, the battery is placed on the backlight bearing surface 2 of the detection carrier 1; when the position of the barcode needs to be detected, the backlight source 3 emits light and illuminates the battery on the backlight bearing surface 2, and the light and shadow of the battery's outer contour is presented on the backlight bearing surface 2, and the barcode position detection camera 6 takes a first shot of the battery to collect an image of the battery's outer contour, and the barcode position detection camera 6 feeds back the result of the first shot to the detection system, then the backlight source 3 is turned off, and the bar light sources 4 on both sides emit light and illuminate the battery at an angle, and the barcode position detection camera 6 takes a second shot of the battery to collect an image of the barcode position on the battery, and the barcode position detection camera 6 feeds back the result of the second shot to the detection system, and the detection system converts and analyzes the first shot result and the second shot result taken by the barcode position detection camera 6 to detect the position of the barcode on the battery; when the position of the tab seal slot needs to be detected, the backlight source 3 emits light and illuminates the battery on the backlight bearing surface 2, and the light and shadow of the battery's outer contour is presented on the backlight bearing surface 2, and the tab seal slot visual detection The camera 7 takes a first shot of the battery to capture an image of the battery's outer contour, and the tab seal slot visual inspection camera 7 feeds back the result of the first shot to the inspection system, then the backlight source 3 is turned off, and if the aluminum-plastic film of the battery is silvery white, the spherical integral light source 5 emits light and shines on the battery, and if the aluminum-plastic film of the battery is black, the strip light source 4 on one side emits light and shines obliquely on the battery, and the tab seal slot visual inspection camera 7 takes a second shot of the battery to capture images of the tab packaging slot and the tab on the battery to obtain the unilateral position of the tab seal slot and the unilateral position of the tab on the same side, and the tab seal slot visual inspection camera 7 feeds back the result of the second shot to the inspection system, and the inspection system converts and analyzes the first shot result and the second shot result taken by the tab seal slot visual inspection camera 7 to calculate the actual distance between the unilateral position of the tab seal slot and the unilateral position of the tab, and compares the actual distance with the preset distance range of the inspection system to detect whether the tab seal slot has a position deviation and the size of the position deviation.

[0021] The utility model integrates the position detection of the battery barcode and the tab seal slot in one workstation, has a compact structure, saves space, can share the bar light source 4 and the backlight source 3, reduces the number of components (light sources, etc.), saves costs, and when detecting the position of the tab seal slot, can select different light sources according to the battery with black aluminum-plastic film or silver-white aluminum-plastic film to ensure the accuracy of the detection.

[0022] In this embodiment, the backlight bearing surface 2 is a glass platform.

[0023] In another embodiment, the detection platform 1 is a belt conveyor mechanism, the backlight bearing surface 2 is a white conveyor belt rotatably arranged on the belt conveyor mechanism, the belt conveyor mechanism is used to drive the white conveyor belt to rotate, and the backlight source 3 is located in the annular space of the white conveyor belt. Preferably, the color of the white conveyor belt is milky white. The battery is placed on the white conveyor belt, and the rotating white conveyor belt can transport the battery from the previous station to the backlight source 3 (detection position), and then from the backlight source 3 to the next station, so as to realize the automatic transportation of the battery, which has a high degree of automation and is suitable for online detection.

[0024] In this embodiment, a first mounting frame 8 and a second mounting frame 9 are respectively arranged on the outside of the two sides of the detection platform 1, and the spherical integrating light source 5, the barcode position detection camera 6 and the tab seal slot visual detection camera 7 are all equipped with the first mounting frame 8, and the first mounting frame 8 can adjust the height of the spherical integrating light source 5, the barcode position detection camera 6 and the tab seal slot visual detection camera 7. A strip light source 4 is installed on the first mounting frame 8, and another strip light source 4 is installed on the second mounting member. The first mounting frame 8 and the second mounting frame 9 can respectively adjust the height and angle of the two strip light sources 4. This structural design is not only convenient for the installation of the spherical integrating light source 5, the barcode position detection camera 6, the tab seal slot visual detection camera 7 and the strip light source 4, but also convenient for adjusting the height and / or angle of the spherical integrating light source 5, the barcode position detection camera 6, the tab seal slot visual detection camera 7 and the strip light source 4.

[0025] All technical features in this embodiment can be freely combined according to actual needs.

[0026] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A battery barcode and tab seal slot position detection device, characterized in that: The invention comprises a detection platform (1) and a detection system, wherein the surface of the detection platform (1) is a backlight bearing surface (2), a backlight source (3) is arranged below the backlight bearing surface (2), strip light sources (4) are arranged on both sides of the detection platform (1), and light from the strip light sources (4) is obliquely irradiated on the battery of the backlight bearing surface (2), a spherical integrating light source (5) is arranged above the backlight bearing surface (2), the spherical integrating light source (5) is arranged opposite to the backlight source (3), a barcode position detection camera (6) and a tab seal slot visual detection camera (7) are arranged in the central hole of the spherical integrating light source (5), and the barcode position detection camera (6) and the tab seal slot visual detection camera (7) are both electrically connected to the detection system.

2. The device for detecting the position of the barcode and the tab seal slot of a battery according to claim 1, characterized in that: The backlight bearing surface (2) is a glass platform.

3. The device for detecting the position of the barcode and the tab seal slot of a battery according to claim 1, characterized in that: The detection platform (1) is a belt conveyor mechanism, the backlight bearing surface (2) is a white conveyor belt rotatably arranged on the belt conveyor mechanism, the belt conveyor mechanism is used to drive the white conveyor belt to rotate, and the backlight source (3) is located in the annular space of the white conveyor belt.

4. The device for detecting the position of the barcode and the tab seal slot of a battery according to claim 1, characterized in that: A first mounting frame (8) and a second mounting frame (9) are respectively arranged on the outside of the two sides of the detection platform (1); the spherical integral light source (5), the barcode position detection camera (6) and the tab seal slot visual detection camera (7) are all equipped with the first mounting frame (8); the first mounting frame (8) can adjust the heights of the spherical integral light source (5), the barcode position detection camera (6) and the tab seal slot visual detection camera (7); a strip light source (4) is mounted on the first mounting frame (8), and another strip light source (4) is mounted on the second mounting member; the first mounting frame (8) and the second mounting frame (9) can respectively adjust the heights and angles of the two strip light sources (4).

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