Tab welding seam detection device

Abstract

The utility model discloses a pole lug welding seam detection device which comprises an NG conveying line, a visual detection device is arranged on the end portion of the NG conveying line, a jacking positioning rotating device is arranged at the bottom of the visual detection device and on one side of the end portion of the NG conveying line, the jacking positioning rotating device comprises a first supporting plate, and the first supporting plate is fixed on an external machine frame. NG jacking air cylinders are installed at the two ends of the first supporting plate, a second supporting plate is fixed to the output ends of the NG jacking air cylinders, and the middle of the second supporting plate is hollowed out; a jacking positioning air cylinder is further arranged on the first supporting plate, a third supporting plate is fixed to the output end of the jacking positioning air cylinder, a hollow rotating platform is arranged on the third supporting plate, a tray positioning plate is arranged on the hollow rotating platform, and the third supporting plate is driven by the jacking positioning air cylinder to move up and down. And the tray positioning plate is driven to move up and down in the hollow part of the second supporting plate. The detection device can be suitable for detection of weld joints of battery modules of different types.

Description

Technical Field

[0001] The utility model relates to a detection device, in particular to a pole lug weld detection device, and belongs to the technical field of energy storage battery processing equipment. Background Art

[0002] After the tabs are welded, the weld needs to be inspected to see if the length, width and height parameters of the weld meet the requirements, and to see if the weld scars on the busbars are cracked, leaked or poorly welded. Currently, there are different types of battery modules for energy storage batteries, namely, the tabs are located at the top of the battery module and the tabs are located at the side of the battery module.

[0003] Therefore, there is an urgent need for a tab weld detection device that can adapt to the above detection. Utility Model Content

[0004] The utility model aims to provide a tab weld detection device, which can be adapted to the detection of welds of battery modules of different models.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is that a pole lug weld detection device includes an NG conveyor line, a visual detection device is arranged at the end of the NG conveyor line, and a lifting, positioning and rotating device is arranged at the bottom of the visual detection device and one side of the end of the NG conveyor line, and the lifting, positioning and rotating device includes a first support plate, the first support plate is fixed to an external frame, NG lifting cylinders are installed at both ends of the first support plate, a second support plate is fixed at the output end of the NG lifting cylinder, and the middle part of the second support plate is hollowed out; a lifting and positioning cylinder is also arranged on the first support plate, a third support plate is fixed at the output end of the lifting and positioning cylinder, a hollow rotating platform is arranged on the third support plate, a pallet positioning plate is arranged on the hollow rotating platform, and the third support plate moves up and down on the hollow part of the second support plate with the pallet positioning plate under the drive of the lifting and positioning cylinder.

[0006] Preferably, a rotating motor is further provided on the third supporting plate, and the rotating motor is connected to the hollow rotating platform for controlling the rotation of the hollow rotating platform.

[0007] Preferably, a first guide rod assembly is provided between the second support plate and the first support plate, one end of the first guide rod assembly is fixed to the second support plate, and the other end passes through the first support plate and is a free end.

[0008] Preferably, a second guide rod assembly is provided between the third support plate and the first support plate, one end of the second guide rod assembly is fixed on the third support plate, and the other end passes through the first support plate and is a free end.

[0009] Preferably, NG belt lines are respectively provided on both ends of the second support plate, and a reduction motor is provided on the side plate of the second support plate through a connecting plate, and the reduction motor drives the NG belt line to roll by driving a synchronous pulley.

[0010] Preferably, the tray positioning plate is also provided with positioning pins.

[0011] Preferably, a buffer blocking cylinder is provided on the NG conveying line.

[0012] Preferably, the NG conveyor line is provided with an in-place detection device.

[0013] Beneficial effects of the utility model: The weld detection device of this patent mainly detects whether the length, width and height parameters of the pole piece weld are qualified. The tooling pallet transported into the visual monitoring station by the double-speed chain will reach the jacking positioning and rotating device, and the jacking positioning and rotating device in this patent not only has the function of jacking and positioning, but also has a rotation function, and the rotation function is for the battery module with the weld on the side. If the test is qualified, it will be output by the double-speed chain. If the test is unqualified, the battery module will enter the NG conveyor line and wait for product recycling. One device can adapt to the weld detection of battery modules of different models, with strong adaptability, and greatly saves costs and improves detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the present utility model, the drawings required to be used in the embodiments or the description of the prior art will be briefly introduced below.

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

[0016] Figure 2 for Figure 1 Structural schematic diagram of the middle lifting positioning and rotating device;

[0017] Figure 3 for Figure 2 The main view of

[0018] Figure 4 for Figure 2 Side view of

[0019] Figure 5 for Figure 2 A schematic diagram of the top perspective structure of FIG.

[0020] Figure 6 for Figure 2 Bottom view of

[0021] Figure 7 for Figure 6 Cross-sectional view of the middle MM;

[0022] Figure 8 for Figure 1 A partial enlarged view of the middle P part. DETAILED DESCRIPTION

[0023] In order to enable persons skilled in the art to better understand the technical solutions in the present application, the technical solutions in the present application will be clearly and completely described below in conjunction with embodiments.

[0024] like Figure 1-Figure 8 As shown, the utility model discloses a pole lug weld detection device, including an NG conveyor line 1, a visual detection device 2 is arranged at the end of the NG conveyor line 1, and a lifting, positioning and rotating device 3 is arranged at the bottom of the visual detection device 2 and at one side of the end of the NG conveyor line 1.

[0025] Embodiment 1

[0026] The lifting, positioning and rotating device 3 includes a first support plate 4, which is fixed on an external frame, and NG lifting cylinders 5 are installed at both ends of the first support plate 4, and a second support plate 6 is fixed at the output end of the NG lifting cylinder 5, and the middle part of the second support plate 6 is hollow; a lifting and positioning cylinder 7 is also provided on the first support plate 4, and a third support plate 8 is fixed at the output end of the lifting and positioning cylinder 7, and a hollow rotating platform 9 is provided on the third support plate 8, and a pallet positioning plate 10 is provided on the hollow rotating platform 9, and the third support plate 8 is driven by the lifting and positioning cylinder 7, and moves up and down in the hollow part of the second support plate 6 with the pallet positioning plate 10.

[0027] In this technical solution, the visual inspection device 2 includes a top inspection device and a side inspection device, which mainly drives the camera through a three-axis device to perform photo inspection. In this patent, no detailed description is given. This patent mainly protects the technical solution of the lifting, positioning and rotating device 3 and the NG conveyor line 1.

[0028] In Example 1, the lifting, positioning and rotating device 3 is mainly used for the top of the battery module with the weld at the top, and mainly performs the functions of lifting, lowering and positioning. If the weld is qualified, it is output by the double-speed chain (not shown in the figure), and if the weld is unqualified, it is output by the NG conveyor line 1.

[0029] Embodiment 2

[0030] like Figure 2-Figure 5 As shown, a rotating motor 11 is also provided on the third supporting plate 8 , and the rotating motor 11 is connected to the hollow rotating platform 9 for controlling the rotation of the hollow rotating platform 9 .

[0031] In this embodiment, the rotation of the hollow rotating platform 9 is controlled by the rotating motor 11, and the hollow rotating platform 9 drives the tray positioning plate 10 to rotate. When the side weld needs to be inspected, the rotating motor 11 is started to drive the battery module on the tray positioning plate 10 to rotate, and the weld to be inspected is rotated to the visual inspection station for inspection.

[0032] In the above two embodiments, a first guide rod assembly 12 is disposed between the second support plate 6 and the first support plate 4 , one end of the first guide rod assembly 12 is fixed to the second support plate 6 , and the other end passes through the first support plate 4 and is a free end.

[0033] A second guide rod assembly 13 is disposed between the third support plate 8 and the first support plate 4 , one end of the second guide rod assembly 13 is fixed on the third support plate 8 , and the other end passes through the first support plate 4 and is a free end.

[0034] The guide rod and guide sleeve assembly is provided to fully ensure the stability of the mutual movement among the first support plate 4 , the second support plate 6 and the third support plate 8 .

[0035] NG belt lines 14 are also provided at both ends of the second support plate 6 , and a reduction motor 16 is provided on the side plate of the second support plate 6 through a connecting plate 15 . The reduction motor 16 drives the NG belt line 14 to roll by driving a synchronous pulley 17 .

[0036] When defective products are detected in the weld of the battery module, the lifting positioning rotation device 3 lifts up the pallet located on the pallet positioning plate 10, and the defective products are transported to the NG conveyor line by the NG belt line 14.

[0037] The pallet positioning plate 10 is also provided with a positioning pin 18 , which cooperates with a positioning hole on the pallet (not shown in the figure) to position the pallet and prevent the pallet from deviating.

[0038] The NG conveyor line 1 is provided with a cache blocking cylinder 19. The NG conveyor line 1 is provided with an in-place detection device 20. The NG conveyor line 1 is mainly provided with two cache blocking cylinders 19, that is, two tooling trays can be stored on the NG conveyor line 1, and each cache station is provided with an in-place detection device for detecting whether there are products on the NG conveyor line 1.

[0039] The weld inspection device of this patent mainly detects whether the length, width and height parameters of the pole piece weld are qualified. The tooling pallet transported into the visual monitoring station by the speed chain will reach the jacking, positioning and rotating device. The jacking, positioning and rotating device in this patent not only has the function of jacking and positioning, but also has a rotation function. The rotation function is for battery modules with welds on the side. If the inspection is qualified, it will be output by the speed chain. If the inspection is unqualified, the battery module will enter the NG conveyor line and wait for product recycling. One device can adapt to the weld inspection of battery modules of different models. It has strong adaptability, greatly saves costs and improves inspection efficiency.

[0040] The described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Claims

1. A tab weld inspection device, comprising an NG conveyor line (1), wherein a visual inspection device (2) is provided at the end of the NG conveyor line (1), and a lifting, positioning and rotating device (3) is provided at the bottom of the visual inspection device (2) and at one side of the end of the NG conveyor line (1), characterized in that: The lifting, positioning and rotating device (3) comprises a first support plate (4), which is fixed on an external frame; NG lifting cylinders (5) are installed at both ends of the first support plate (4); a second support plate (6) is fixed to the output end of the NG lifting cylinder (5); the middle part of the second support plate (6) is hollowed out; a lifting and positioning cylinder (7) is also provided on the first support plate (4); a third support plate (8) is fixed to the output end of the lifting and positioning cylinder (7); a hollow rotating platform (9) is provided on the third support plate (8); a pallet positioning plate (10) is provided on the hollow rotating platform (9); the third support plate (8) is driven by the lifting and positioning cylinder (7) to move up and down in the hollow part of the second support plate (6) with the pallet positioning plate (10).

2. The electrode tab weld detection device according to claim 1, characterized in that: The third support plate (8) is also provided with a rotating motor (11), which is connected to the hollow rotating platform (9) and is used to control the rotation of the hollow rotating platform (9).

3. The electrode tab weld detection device according to claim 1 or 2, characterized in that: A first guide rod assembly (12) is arranged between the second support plate (6) and the first support plate (4); one end of the first guide rod assembly (12) is fixed on the second support plate (6), and the other end passes through the first support plate (4) and is a free end.

4. The electrode tab weld detection device according to claim 1, characterized in that: A second guide rod assembly (13) is arranged between the third support plate (8) and the first support plate (4); one end of the second guide rod assembly (13) is fixed on the third support plate (8), and the other end passes through the first support plate (4) and is a free end.

5. The electrode tab weld detection device according to claim 1, characterized in that: NG belt lines (14) are also provided at both ends of the second support plate (6), and a reduction motor (16) is provided on the side plate of the second support plate (6) through a connecting plate (15). The reduction motor (16) drives the NG belt line (14) to roll by driving a synchronous pulley (17).

6. The electrode tab weld detection device according to claim 5, characterized in that: The tray positioning plate (10) is also provided with a positioning pin (18).

7. The electrode tab weld detection device according to claim 1, characterized in that: The NG conveying line (1) is provided with a buffer blocking cylinder (19).

8. The electrode tab weld detection device according to claim 7, characterized in that: The NG conveying line (1) is provided with an in-place detection device (20).

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