Shooting assembly for soft package battery detection

Abstract

A shooting assembly for soft package battery detection relates to the technical field of soft package battery detection, and comprises a support frame and two cameras used for collecting images of tabs on two sides of a soft package battery, a mounting plate is slidably arranged on the support frame, the mounting plate can be fixed, the two cameras are respectively arranged at two ends of the mounting plate, and the two cameras are arranged on the support frame. According to the utility model, on-line post-welding detection is carried out on the tab of the soft package battery, and the on-line post-welding detection is matched with the production speed of the soft package battery, so that the production efficiency of the soft package battery is improved, and meanwhile, defective batteries are prevented from flowing into subsequent processes.

Description

Technical Field

[0001] The utility model relates to the technical field of soft-pack battery detection, in particular to a photographing assembly for soft-pack battery detection. Background Art

[0002] With the rapid development of the new energy industry, soft-pack batteries have become an important evolution direction of battery technology due to their unique electrolyte system. Compared with traditional liquid batteries, soft-pack batteries introduce solid components into the liquid electrolyte, combining high ionic conductivity and excellent mechanical / thermal stability, thus showing outstanding performance in terms of energy density and safety.

[0003] In the battery manufacturing process, the tab, as the energy transmission hub between the battery cell and the external circuit, its welding quality directly affects the battery's conductive efficiency, thermal management performance, and long-term cycling safety. However, the special material system of soft-pack batteries poses significant technical challenges in the tab welding process: there is a risk of false soldering, which significantly reduces the reliability and service life of the battery.

[0004] Existing tab welding quality detection technologies have obvious limitations: the off-line sampling detection method has two major defects: 1) low detection efficiency, unable to match the high-speed continuous production rhythm of soft-pack batteries, resulting in lagging process feedback; 2) insufficient sampling coverage, defective batteries may be missed and flow into subsequent processes, increasing the overall production cost and safety risks. Therefore, there is an urgent need to develop an on-line and non-destructive tab welding quality detection method to solve the quality control problem in the large-scale production of soft-pack batteries. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a photographing assembly for soft-pack battery detection, which performs on-line post-welding detection on the tabs of soft-pack batteries, matches the production speed of soft-pack batteries, improves the production efficiency of soft-pack batteries, and at the same time, prevents defective batteries from flowing into subsequent processes.

[0006] To achieve the above purpose, the specific solution adopted by the utility model is: a photographing assembly for soft-pack battery detection, including a support frame and two cameras for collecting images of the tabs on both sides of the soft-pack battery. An installation plate is slidably arranged on the support frame and can be fixed. The two cameras are respectively installed at both ends of the installation plate, forming a collection area between the two cameras.

[0007] As an optimized scheme of the above photographing assembly for soft-pack battery detection: a clamping unit for clamping the soft-pack battery is arranged below the collection area. The clamping unit includes a bottom plate, a fixed clamping plate fixedly connected to the bottom plate, and a movable clamping plate slidably connected to the bottom plate. A clamping interval is formed between the fixed clamping plate and the movable clamping plate.

[0008] As another optimization solution of the above-mentioned shooting assembly for soft-pack battery inspection: a screw is rotatably provided on the base plate, a connecting block is fixedly connected to the movable splint, and a threaded hole is provided on the connecting block to cooperate with the screw and for the screw to pass through.

[0009] As another optimization solution for the above-mentioned shooting component for soft-pack battery inspection: two side panels located at both ends of the clamping area are slidably provided on the bottom plate, an inclined sliding groove is provided on the side panel, a sliding shaft is slidably provided on the bottom plate, the end of the sliding shaft extends into the sliding groove, and the side panels are driven to slide vertically during the sliding process of the sliding shaft.

[0010] As another optimization solution of the above-mentioned shooting assembly for soft-pack battery detection: a slide rail is fixedly connected to the support frame, and a slider that slides along the slide rail and can be fixed is fixedly connected to the mounting plate.

[0011] As another optimization solution of the above-mentioned shooting assembly for soft-pack battery detection: mounting brackets are provided at both ends of the mounting plate, and the camera is fixed on the mounting brackets.

[0012] As another optimization solution for the above-mentioned shooting assembly for soft-pack battery inspection: the mounting frame includes two parallel vertical plates, the top ends of the two vertical plates are fixedly connected to the mounting plate, the bottom ends of the two vertical plates are fixedly connected through a horizontal plate, and the camera is fixed on the horizontal plate.

[0013] As another optimization solution for the above-mentioned shooting assembly for soft-pack battery detection: a driving cylinder for pushing the soft-pack battery into the collection area is provided under the collection area, and the driving cylinder is fixedly mounted on the support frame through a fixing plate.

[0014] As another optimization solution for the above-mentioned shooting assembly for soft-pack battery inspection: a top plate fixedly connected to a plurality of guide rods is arranged above the fixed plate, and a plurality of sleeves corresponding to the guide rods are arranged on the fixed plate, and the end of the guide rod facing away from the top plate passes through the sleeve and extends to the bottom of the fixed plate.

[0015] As another optimization solution for the above-mentioned shooting assembly for soft-pack battery inspection: the end of the guide rod located below the fixed plate is fixedly connected to a limit plate for limiting the extreme displacement of the top plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects: the present invention provides a shooting component for detecting soft-pack batteries. The soft-pack batteries are located in the acquisition area. The camera captures images of the tabs at both ends of the soft-pack batteries, and transmits the images to the control unit for identification. The present invention can perform online post-weld inspection of the tabs of the soft-pack batteries, thereby improving the production efficiency of the soft-pack batteries and preventing defective batteries from flowing into subsequent processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural view of the present utility model;

[0018] Figure 2 is the front view of the present utility model;

[0019] Reference numerals: 1, support frame, 101, slide rail, 2, mounting plate, 201, mounting hole, 202, slider, 3, camera, 301, mounting bracket, 4, speed-up line, 5, soft-pack battery, 6, clamping unit, 601, moving clamping plate, 602, bottom plate, 603, lead screw, 604, fixed clamping plate, 605, side plate, 606, cover plate, 10, chute, 11, sliding shaft, 12, positioning scanner, 13, driving cylinder, 14, fixing plate, 1401, sleeve, 15, top plate, 1501, guide rod. Specific embodiments

[0020] The technical solutions of the present utility model will be further elaborated in detail below in conjunction with specific embodiments. For the parts not detailedly described and disclosed in the following embodiments of the present utility model, they should all be understood as the prior art known or should be known to those skilled in the art, such as how the control unit identifies images and how the control unit controls the driving cylinder 13 to work.

[0021] Embodiment

[0022] A photographing assembly for detecting a soft-pack battery, the photographing assembly is fixed on a machine tool, and the photographing assembly includes a support frame 1 and two cameras 3 for collecting images of the tab ears on both sides of the soft-pack battery 5. The support frame 1 includes two vertical rods and a horizontal rod. The vertical rods are located on both sides of the soft-pack battery 5, and the bottom ends of the vertical rods are fixedly connected to the machine tool, and the connection manner between the two is a bolt connection. The two ends of the horizontal rod are respectively fixedly connected to the top ends of the two vertical rods, and the connection manner between the two is a bolt connection. An installation plate 2 is slidably arranged on the support frame 1, and the installation plate 2 can be fixed. The two cameras 3 are respectively installed at both ends of the installation plate 2, so that a collection area is formed between the two cameras 3. When the soft-pack battery 5 is located in the collection area, the two cameras 3 respectively collect the images of the tab ears at both ends of the soft-pack battery 5, and then transmit them to the control unit, and the control unit identifies the images to detect the post-welding quality of the tab ears.

[0023] The mounting plate 2 is a rectangular plate structure. A slide rail 101 is fixedly connected to the support frame 1. In this embodiment, the slide rail 101 is vertically fixed at the central position of the horizontal rod, and the connection mode between the slide rail 101 and the horizontal rod is bolt connection; a slider 202 that slides along the slide rail 101 and can be fixed is fixedly connected to the mounting plate 2. The slider 202 is fixed at the central position of the mounting plate 2, and the connection mode between the slider 202 and the mounting plate 2 is bolt connection. The slider 202 can move along the slide rail 101 and can be fixed. Mounting brackets 301 are provided at both ends of the mounting plate 2, and the camera 3 is fixed on the mounting brackets 301. Specifically, the mounting bracket 301 includes two parallel vertical plates. The tops of the two vertical plates are fixedly connected to the mounting plate 2. Mounting holes 201 are respectively formed at both ends of the mounting plate 2. The number of mounting holes 201 at each end is two. The tops of the two vertical plates of the end mounting bracket 301 extend into the mounting holes 201 for fixation. The bottoms of the two vertical plates are fixedly connected by a horizontal plate. The connection mode between the vertical plate and the horizontal plate is bolt connection. The camera 3 is fixed on the horizontal plate. Two parallel long holes are formed on the horizontal plate. The long holes are used for mounting the camera 3. The camera 3 is mounted at different positions of the long holes to adjust the distance between the two cameras 3 to adapt to soft-pack batteries 5 of different sizes, improving the applicable range of the present utility model.

[0024] A clamping unit 6 for clamping the soft-pack battery 5 and a double-speed line 4 for conveying the clamping unit 6 are arranged below the collection area. In this embodiment, the double-speed line drives the clamping unit 6 to move, and then drives the soft-pack battery 5 to be located below the collection area. The clamping unit 6 includes a bottom plate 602, a fixed clamping plate 604 fixedly connected to the bottom plate 602, and a movable clamping plate 601 slidably connected to the bottom plate 602. A clamping interval is formed between the fixed clamping plate 604 and the movable clamping plate 601. The bottom plate 602 is a rectangular plate-like structure. The lower surface of the bottom plate 602 contacts the double-speed line 4, so that the double-speed line 4 drives the whole clamping unit 6 to move; accommodating grooves are formed at the four corners of the bottom plate 602, and traveling wheels are rotatably arranged in the accommodating grooves. The axis of the traveling wheel is perpendicular to the bottom plate 602. When the clamping unit 6 moves, the traveling wheels rotate along the side wall of the installation track of the double-speed line 4, reducing the friction between the clamping unit 6 and the installation track and ensuring the synchronous movement of the clamping unit 6 and the double-speed line 4. The connection mode between the fixed clamping plate 604 and the bottom plate 602 is bolt connection; the connection mode between the movable clamping plate 601 and the bottom plate 602 is that a lead screw 603 is rotatably arranged on the bottom plate 602. A connecting block is fixedly connected to the movable clamping plate 601, and a threaded hole matching with the lead screw 603 and allowing the lead screw 603 to pass through is formed in the connecting block. The two ends of the lead screw 603 are rotatably connected to the bottom plate 602 through bearing seats. The lead screw 603 passes through the threaded hole, and during the rotation of the lead screw 603, the connecting block moves along the length direction of the lead screw 603, thereby driving the movable clamping plate 601 to approach or move away from the fixed clamping plate 604, so that an elastic clamping interval is formed between the movable clamping plate 601 and the fixed clamping plate 604. In this embodiment, two mutually parallel guide rails are fixedly connected to the bottom plate 602, and the extending direction of the guide rails is perpendicular to the movable clamping plate 601. Two guide blocks corresponding to the guide rails are fixedly connected below the movable clamping plate 601, and the guide blocks can slide along the guide rails.

[0025] A bearing plate for carrying all the sheet-shaped battery cells is arranged between the fixed clamping plate 604 and the movable clamping plate 601. A plurality of uniformly distributed cushion blocks are arranged between the bearing plate and the bottom plate 602. The connection mode between the cushion blocks and the bottom plate 602 is bolt connection, and the connection mode between the bearing plate and the cushion blocks is bolt connection; in this embodiment, protective pads are fixedly arranged on the sides of the movable clamping plate 601 and the fixed clamping plate 604 close to the elastic clamping area. The protective pads are made of elastic rubber material to protect the surface of the battery cells of the soft-pack battery 5.

[0026] On the bottom plate 602, two side plates 605 located at both ends of the clamping section are slidably arranged. An inclined sliding groove 10 is formed on the side plate 605. A sliding shaft 11 is slidably arranged on the bottom plate 602. The end of the sliding shaft 11 extends into the sliding groove 10, and the side plate 605 is driven to slide vertically during the sliding process of the sliding shaft 11. Specifically, the side plate 605 is connected to the bottom plate 602 through two vertical guide rails and sliding grooves formed on the edge of the side plate 605. The two vertical sliding rails 101 are connected to the bottom plate 602 by bolt connection. The number of sliding grooves is two and they are in one-to-one correspondence and cooperation with the vertical sliding rails 101. A wear-resistant wheel is rotatably sleeved on the sliding shaft 11, and the diameter of the wear-resistant wheel is equal to the width of the sliding groove 10. The sliding shaft 11 is fixedly connected with a linkage rod slidably arranged on the bottom plate 602. Specifically, one end of the linkage rod is fixedly connected to the sliding shaft 11, and a locking knob capable of fixing it is arranged at the other end of the linkage rod. When fixing multiple sheet-shaped battery cells, the operator pushes the linkage plate to drive the sliding shaft 11 to slide along the sliding groove 10, thereby driving the side plate 605 to move vertically to the required position, and then tightening the locking knob to fix the side plate 605.

[0027] In this embodiment, a cover plate 606 capable of being fixedly connected to the fixed clamping plate 604 and the movable clamping plate 601 is arranged at the top of the clamping section.

[0028] Below the acquisition area, a driving cylinder 13 for pushing the soft-pack battery 5 into the acquisition area is arranged. The driving cylinder 13 is fixedly installed on the support frame 1 through a fixing plate 14. In this embodiment, the fixing plate 14 is fixedly connected to the installation track of the double-speed line 4 on the machine tool, and is fixedly connected to the lower surface of the installation track, and the connection method between the two is bolt connection. Above the fixing plate 14, a top plate 15 fixedly connected with a plurality of guide rods 1501 is arranged. The number of guide rods 1501 is four and they are respectively located at the four corners of the top plate 15. A plurality of sleeves 1401 corresponding to the guide rods 1501 one by one are arranged on the fixing plate 14. The number of sleeves 1401 is four, and a through hole is formed on the fixing plate 14. The outer side wall of the sleeve 1401 is in interference fit with the through hole, so that the sleeve 1401 is fixed on the fixing plate 14, and the top end of the sleeve 1401 is located above the fixing plate 14, and the bottom end of the sleeve 1401 is located below the fixing plate 14. The end of the guide rod 1501 facing away from the top plate 15 passes through the sleeve 1401 and extends below the fixing plate 14. When acquiring the image of the tab of the soft-pack battery 5, the piston of the driving cylinder 13 slides upward and pushes the top plate 15 to move upward. The top plate 15 contacts the bottom plate 602 and pushes the bottom plate 602 to move upward, driving the soft-pack battery 5 into the acquisition area.

[0029] A limiting plate for limiting the extreme displacement of the top plate 15 is fixedly connected to the end of the guide rod 1501 located below the fixing plate 14.

[0030] In this embodiment, a positioning scanner 12 is provided on the machine tool, and a scan code is provided on the bottom plate 602 for positioning the soft-pack battery 5 to determine that the clamping unit enters below the acquisition area.

[0031] The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A photographing component for soft-pack battery detection, characterized in that: The invention comprises a support frame (1) and two cameras (3) for collecting images of the tabs on both sides of a soft-pack battery (5); a mounting plate (2) is slidably provided on the support frame (1), and the mounting plate (2) can be fixed; the two cameras (3) are respectively mounted at both ends of the mounting plate (2), so that a collection area is formed between the two cameras (3).

2. The photographing component for soft-pack battery detection according to claim 1, wherein: A clamping unit (6) for clamping the soft-pack battery (5) is provided below the collection area. The clamping unit (6) comprises a base plate (602), a fixed clamping plate (604) fixedly connected to the base plate (602), and a movable clamping plate (601) slidably connected to the base plate (602). A clamping interval is formed between the fixed clamping plate (604) and the movable clamping plate (601).

3. The photographing assembly for soft-pack battery detection according to claim 2, characterized in that: A lead screw (603) is rotatably provided on the base plate (602), and a connecting block is fixedly connected to the movable clamping plate (601). The connecting block is provided with a threaded hole that matches the lead screw (603) and allows the lead screw (603) to pass through.

4. The photographing assembly for soft-pack battery detection according to claim 2, wherein: Two side plates (605) are slidably provided on the bottom plate (602) and are located at both ends of the clamping zone. An inclined sliding groove (10) is provided on the side plate (605). A sliding shaft (11) is slidably provided on the bottom plate (602). The end of the sliding shaft (11) extends into the sliding groove (10), and the sliding shaft (11) drives the side plates (605) to slide vertically during the sliding process.

5. The photographing component for soft-pack battery detection according to claim 1, characterized in that: The support frame (1) is fixedly connected to a slide rail (101), and the mounting plate (2) is fixedly connected to a slider (202) that slides along the slide rail (101) and can be fixed.

6. The photographing assembly for soft-pack battery detection according to claim 1, wherein: Mounting frames (301) are provided at both ends of the mounting plate (2), and the camera (3) is fixed on the mounting frames (301).

7. The photographing assembly for soft-pack battery detection according to claim 6, wherein: The mounting frame (301) comprises two parallel vertical plates, the top ends of the two vertical plates being fixedly connected to the mounting plate (2), the bottom ends of the two vertical plates being fixedly connected via a horizontal plate, and the camera (3) being fixed on the horizontal plate.

8. The photographing assembly for soft-pack battery detection according to claim 1, characterized in that: A driving cylinder (13) for pushing the soft-pack battery (5) into the collecting area is provided below the collecting area, and the driving cylinder (13) is fixedly mounted on the supporting frame (1) via a fixing plate (14).

9. The photographing assembly for soft-pack battery detection according to claim 8, wherein: A top plate (15) fixedly connected to a plurality of guide rods (1501) is provided above the fixed plate (14), and a plurality of sleeves (1401) corresponding to the guide rods (1501) are provided on the fixed plate (14), and one end of the guide rod (1501) facing away from the top plate (15) passes through the sleeve (1401) and extends to the bottom of the fixed plate (14).

10. The photographing assembly for soft-pack battery detection according to claim 9, wherein: The end of the guide rod (1501) located below the fixed plate (14) is fixedly connected to a limit plate for limiting the extreme displacement of the top plate (15).

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