Laser cleaning system

Abstract

The application discloses a kind of laser cleaning systems.The laser cleaning system of the application includes transport device, first positioning mechanism, pick-and-place mechanism and laser cleaning device.The transport device includes conveying piece, and the conveying piece is used to carry and convey battery core.The first positioning mechanism is provided with clamping space, and the conveying device can convey battery core into the clamping space, and the first positioning mechanism can clamp and position battery core.The pick-and-place mechanism includes clamping piece, and the clamping piece is used to clamp protective cover, and the clamping piece can correspond to battery core and move along the Z-axis direction.The laser cleaning device includes laser head, and the laser head is used to emit laser to battery core.After the transport device conveys battery core into the clamping space and is clamped and positioned by the first positioning mechanism, the pick-and-place mechanism places protective cover on battery core, and then the laser head emits laser to perform laser cleaning on battery core.Protective cover can effectively protect components on battery core end cover from being damaged during laser cleaning process, and improve battery core production yield.

Description

Technical Field

[0001] This invention relates to the field of laser processing technology, and in particular to a laser cleaning system. Background Technology

[0002] In related technologies, laser cleaning can be used to clean dirt such as oil, rust, and oxide film from metal surfaces. In the manufacturing process of secondary batteries, laser cleaning is generally required before welding the cell casing and end cap to improve the welding quality. The end cap of the cell also has components such as terminals, which are easily affected or damaged by laser irradiation during the laser cleaning process. Summary of the Invention

[0003] This invention aims to at least solve one of the technical problems existing in the prior art. To this end, this invention proposes a laser cleaning system that can effectively protect the components on the battery cell end cap while performing laser cleaning.

[0004] A laser cleaning system according to a first aspect of the present invention includes:

[0005] A transport device includes a conveyor that is movable along an X-axis and is used to carry and transport the battery cell.

[0006] The first positioning mechanism is provided with a clamping space. The conveying device can convey the battery cell to be accommodated in the clamping space. The first positioning mechanism can clamp and position the battery cell along the X-axis and Y-axis directions.

[0007] The pick-and-place mechanism includes a clamping member for holding a protective cover. The clamping member is capable of corresponding to the battery cell and moving along the Z-axis to place the protective cover on the battery cell or separate the protective cover from the battery cell.

[0008] A laser cleaning device is disposed above the transport device. The laser cleaning device includes a laser head, which is used to emit a laser towards the battery cell, which is covered with a protective cover.

[0009] The laser cleaning system according to embodiments of the present invention has at least the following beneficial effects: after the transport device transports the battery cell into the clamping space and clamps and positions it by the first positioning mechanism, the pick-and-place mechanism places the protective cover on the battery cell, and then the laser head emits a laser to perform laser cleaning on the battery cell. The protective cover can effectively protect the components on the battery cell end cap from damage during the laser cleaning process, thereby improving the yield rate of the battery cell manufacturing process. After the laser cleaning is completed, the pick-and-place mechanism separates the protective cover from the battery cell, and the transport component unloads the laser-cleaned battery cell. The system has a high degree of automation and can improve the manufacturing efficiency of the battery cell.

[0010] According to some embodiments of the present invention, the device further includes a carrier plate and a first positioning mechanism. The carrier plate is disposed above the transport device, and the first positioning mechanism is connected to the carrier plate. The carrier plate has a first opening, and the first positioning mechanism has a clamping space. The transport member is capable of lifting the battery cell through the first opening and accommodating it in the clamping space. The first positioning mechanism is capable of clamping and positioning the battery cell along the X-axis and Y-axis directions. The pick-and-place mechanism is capable of moving relative to the first positioning mechanism along the X-axis direction to correspond to the battery cell.

[0011] According to some embodiments of the present invention, the first positioning mechanism includes two first clamping components and two second clamping components. The two first clamping components are spaced apart along the X-axis direction, and the two second clamping components are spaced apart along the Y-axis direction. Each first clamping component includes a first clamping member, and the two first clamping members are arranged facing each other. Each second clamping component includes a second clamping member, and the two second clamping members are arranged facing each other. The two first clamping members and the two second clamping members together define the clamping space. At least one of the two first clamping members is movable relative to the other to clamp the battery cell along the Y-axis direction, and at least one of the two second clamping members is movable relative to the other to clamp the battery cell along the X-axis direction.

[0012] According to some embodiments of the present invention, the first positioning mechanism further includes a first guide rail, the first guide rail being connected to the carrier plate and extending along the X-axis direction, the first clamping assembly being slidably connected to the first guide rail, the second clamping assembly being connected to the carrier plate, and one of the second clamping members being able to abut against the battery cell and push the first clamping assembly to slide to another second clamping member abutting against the battery cell.

[0013] According to some embodiments of the present invention, a second positioning mechanism is further included, which is connected to the conveying member. The second positioning mechanism includes two third clamping members and two fourth clamping members. The two third clamping members are spaced apart along the Y-axis direction, and the two fourth clamping members are spaced apart along the X-axis direction. At least one of the two third clamping members is movable relative to the other to clamp the battery cell along the Y-axis direction.

[0014] According to some embodiments of the present invention, the transport device further includes a frame, a carrier, and a second guide rail. The frame extends along the X-axis direction, the conveyor is movably connected to the frame, the second guide rail is connected to the conveyor and extends along the Y-axis direction, the carrier is connected to the second guide rail and is movable relative to the second guide rail, and the second positioning mechanism is connected to the side of the carrier away from the second guide rail.

[0015] According to some embodiments of the present invention, a dust removal structure is further included, which is connected to the first positioning mechanism. The laser head corresponds to the clamping space. The dust removal structure includes a main body and a first air duct. The main body defines a receiving cavity. The receiving cavity has a first communicating hole on the cavity wall of at least one side in the width direction of the main body, and the first communicating hole extends along the length direction of the main body. The first air duct is connected to at least one side in the width direction of the main body and defines a first air channel. The first air channel communicates with the receiving cavity through the first communicating hole. The first air duct has a second opening at both ends along the length direction for connecting to an external air source.

[0016] According to some embodiments of the present invention, the first duct further includes a baffle plate disposed within the first duct to define the first duct as a first segment and a second segment that are not interconnected. The first segment is connected to the outside through a second opening, and the second segment is connected to the outside through another second opening.

[0017] According to some embodiments of the present invention, the baffle further includes an extension that extends toward the receiving cavity in the width direction to define the first communicating hole as a first segment and a second segment, the first segment communicating with the first section and the second segment communicating with the second section.

[0018] According to some embodiments of the present invention, the protective cover is provided with a clamping part, the clamping part is provided with a positioning hole extending along the Y-axis direction, the clamping member is provided with a main body and a positioning part, the positioning parts of the two clamping members are connected to the sides of the main body facing each other, and the clamping member can move along the Y-axis direction until at least a portion of the positioning part passes through the positioning hole.

[0019] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0021] Figure 1 This is a schematic diagram of a laser cleaning system according to an embodiment of the present invention;

[0022] Figure 2 for Figure 1 An enlarged view of area "A" in the embodiment;

[0023] Figure 3 This is an assembly diagram of the first positioning mechanism, the pick-and-place mechanism, and the carrier plate according to an embodiment of the present invention;

[0024] Figure 4 This is a schematic diagram of the first positioning mechanism and the pick-and-place mechanism according to an embodiment of the present invention;

[0025] Figure 5 This is a schematic diagram of the carrier plate according to an embodiment of the present invention;

[0026] Figure 6 This is a schematic diagram of the anti-fall-off component according to an embodiment of the present invention;

[0027] Figure 7 This is a schematic diagram of the pick-and-place mechanism according to an embodiment of the present invention;

[0028] Figure 8 for Figure 7 An enlarged view of area "B" in the embodiment;

[0029] Figure 9 This is a schematic diagram of the assembly of the dust removal structure and the first positioning mechanism in an embodiment of the present invention;

[0030] Figure 10 This is a schematic diagram of the dust removal structure in an embodiment of the present invention;

[0031] Figure 11 This is a top view of the dust removal structure in an embodiment of the present invention;

[0032] Figure 12 for Figure 11 Sectional view along the middle AA direction;

[0033] Figure 13 for Figure 12 Sectional view along the BB direction.

[0034] Figure label:

[0035] Carrier plate 100, first opening 110;

[0036] First positioning mechanism 200, first clamping assembly 210, first clamping member 211, anti-drop member 212, receiving part 2121, second clamping assembly 220, second clamping member 221, first guide rail 230, clamping space 240, elastic member 250, connecting plate 260, fixing member 270;

[0037] Picking and placing mechanism 300, clamping member 310, first main body 311, positioning part 312, finger cylinder 320;

[0038] Protective cover 400, clamping part 410, positioning hole 411, protective part 420;

[0039] 500 cells;

[0040] The dust removal structure 600, the second main body 610, the first connecting hole 611, the first hole section 612, the second hole section 613, the second connecting hole 620, the receiving cavity 630, the first air duct 640, the second opening 641, the baffle 643, the extension 6431, the first air duct 644, the first section 6441, the second section 6442, the second air duct 650, the third opening 651, the second air duct 652, and the branch pipe 660.

[0041] The transport device 700, the conveying component 710, the second positioning mechanism 720, the third clamping component 721, the fourth clamping component 722, the frame 730, the bearing component 740, and the second guide rail 750 are included.

[0042] Laser cleaning device 800, laser head 810;

[0043] Feeding device 900, gripper 910. Detailed Implementation

[0044] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0045] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention 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 limiting this invention.

[0046] In the description of this invention, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0047] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0048] In the description of this invention, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0049] Reference Figures 1 to 13 The first aspect of this application provides a laser cleaning system, including a transport device 700, a pick-and-place mechanism 300, and a laser cleaning device 800. The transport device 700 includes a conveyor 710, which is movable along the X-axis and is used to carry and transport a battery cell 500. A first positioning mechanism 200 is provided with a clamping space 240. The transport device 700 can transport the battery cell 500 into the clamping space 240, and the first positioning mechanism 200 can clamp and position the battery cell 500 along the X and Y axes. The pick-and-place mechanism 300 includes a clamping member 310, which is used to clamp a protective cover 400. The clamping member 310 is movable along the Z-axis corresponding to the battery cell 500 to place the protective cover 400 on the battery cell 500 or to separate the protective cover from the battery cell 500. The laser cleaning device 800 is positioned above the transport device 700. The laser cleaning device 800 includes a laser head 810, which is used to emit a laser to the battery cell 500, which has a protective cover.

[0050] The transport device 700 conveys the battery cell 500 into the clamping space 240 and clamps and positions it by the first positioning mechanism 200. Then, the pick-and-place mechanism 300 places the protective cover on the battery cell 500. Subsequently, the laser head 810 emits a laser to perform laser cleaning on the battery cell 500. The protective cover 400 can effectively protect the components on the end cap of the battery cell 500 from damage during the laser cleaning process. After the laser cleaning is completed, the pick-and-place mechanism 300 separates the protective cover from the battery cell 500, and the transport component 710 unloads the laser-cleaned battery cell 500. The process is highly automated and can improve the manufacturing efficiency of the battery cell 500.

[0051] Reference Figure 1 and Figure 5The laser cleaning system also includes a carrier plate 100, which is disposed above the transport device 700. A first positioning mechanism 200 is connected to the carrier plate 100. The carrier plate 100 is provided with a first opening 110. The first positioning mechanism 200 is provided with a clamping space 240. The conveyor 710 can lift the battery cell 500 through the first opening 110 and accommodate it in the clamping space 240. The first positioning mechanism 200 can clamp and position the battery cell 500 along the X-axis and Y-axis directions. The pick-and-place mechanism 300 can move relative to the first positioning mechanism 200 along the X-axis direction to correspond to the battery cell 500.

[0052] Reference Figure 3 and Figure 4 The positioning mechanism 200 includes two first clamping components 210 and two second clamping components 220. The two first clamping components 210 are spaced apart along the X-axis, and the two second clamping components 220 are spaced apart along the Y-axis. Each first clamping component 210 includes a first clamping member 211. The two first clamping members 211 are arranged facing each other, and at least one of the two first clamping members 211 can move relative to the other to clamp the battery cell 500 along the Y-axis. Each second clamping component 220 includes a second clamping member 221. The two second clamping members 221 are arranged facing each other, and at least one of the two second clamping members 221 can move relative to the other to clamp the battery cell 500 along the X-axis.

[0053] The surfaces of the two second clamping members 221 facing each other, and the surfaces of the two second clamping members 221 facing each other, together define the clamping space 240. After the battery cell 500 is lifted by the conveying member 710 and placed into the clamping space 240 through the first opening, the two first clamping members 211 clamp the battery cell 500 along the Y-axis direction, and the two second clamping members 221 clamp the battery cell 500 along the X-axis direction, thereby achieving the positioning of the battery cell 500. The relative movement of the two first clamping members 211 along the Y-axis direction can be such that one first clamping member 211 remains stationary while the other moves, or both first clamping members 211 move. The movement of the two second clamping members 221 along the X-axis direction is similar.

[0054] Reference Figure 3 and Figure 4 In some embodiments, the laser cleaning system further includes a connecting plate 260, and the first positioning mechanism 200 further includes a first guide rail 230, which is connected to the carrier plate 100 and extends along the X-axis. A first clamping assembly 210 is fixedly connected to the connecting plate 260, and the connecting plate 260 is slidably connected to the first guide rail 230. A second clamping assembly 220 is connected to the carrier plate 100, and one second clamping member 221 can abut against the battery cell 500 and push the first clamping assembly 210 to slide until another second clamping member 221 abuts against the battery cell 500, for example... Figure 4As shown, the second clamping member 221 on the left side of the X-axis can push the battery cell 500 and the first clamping assembly 210 together to move to the second clamping member 221 on the right side of the X-axis, where they abut against the battery cell. During the positioning process, the two first clamping members 211 are first driven to move relative to each other, thereby clamping and positioning the battery cell 500 along the Y-axis. Then, one of the second clamping members 221 abuts against the battery cell 500 along the X-axis and pushes the battery cell 500 and the two first clamping members 211 to move synchronously along the X-axis towards the other second clamping member 221, until the two second clamping members 221 abut against the two ends of the battery cell 500 along the X-axis, thereby positioning the battery cell 500. The laser head 810 can be set to directly correspond to the position of the battery cell 500 after it is positioned. After the battery cell 500 is clamped and positioned and the protective cover 400 is placed on the end cover, the laser head 810 can directly emit laser to clean the battery cell 500 without adjusting the position between the laser head 810 and the positioned battery cell 500, thus improving the cleaning efficiency.

[0055] Reference Figure 2 The laser cleaning system also includes a second positioning mechanism 720, which is connected to the conveyor 710. The second positioning mechanism 720 includes two third clamping members 721 and two fourth clamping members 722. The two third clamping members 721 are spaced apart along the Y-axis, and the two fourth clamping members 722 are spaced apart along the X-axis. At least one of the two third clamping members 721 can move relative to the other to clamp the battery cell along the Y-axis. Specifically, the distance between the two fourth clamping members 722 is determined so that when the battery cell is placed on the carrier 740, the two fourth clamping members 722 abut against both ends of the battery cell along the X-axis.

[0056] Reference Figure 1 and Figure 2The transport device 700 also includes a frame 730, a carrier 740, and a second guide rail 750. The frame 730 extends along the X-axis direction, the conveyor 710 is movably connected to the frame 730, the second guide rail 750 is connected to the conveyor 710 and extends along the Y-axis direction, the carrier 740 is connected to the second guide rail 750 and can move relative to the second guide rail 750, and the second positioning mechanism 720 is connected to the side of the carrier 740 away from the second guide rail 750. Specifically, the drive unit of the transport device 700 is a double-acting linear motor. The conveyor 710 is mounted on the side of the frame 730. The transporter is driven to move along the X-axis by magnetic force. When there is no magnetic force, the transporter is floating along the X-axis. The second positioning mechanism 720 is connected to the bearing 740 and can slide along the extension direction of the second guide rail 750. When the battery cell 500 is fixed to the second positioning mechanism 720, the battery cell 500 can still move in the XY plane. Thus, since the positioning accuracy of the first positioning mechanism 200 is high, the position of the battery cell 500 in the XY plane will change when the battery cell 500 is housed in the clamping space 240 and clamped by the first clamping member 211 and the second clamping member 221, thereby realizing the clamping and positioning of the battery cell 500 by the first positioning mechanism 200. When positioning the battery cell 500, the first positioning mechanism 200 and the second positioning mechanism 720 clamp the two ends of the battery cell 500 along the height direction, respectively. After the battery cell 500 is clamped and positioned by the first positioning mechanism 200, the second positioning mechanism 720 can separate from the battery cell 500. After the battery cell 500 has completed laser cleaning, the second positioning mechanism 720 set in the transport device 700 re-accepts the battery cell 500 below the first positioning machine 200 for unloading.

[0057] Reference Figure 3 and Figure 4 In some embodiments, the positioning mechanism 200 further includes an elastic element 250 and a fixing element 270. The fixing element 270 is fixedly connected to the carrier plate 100. The elastic element 250 and the second clamping element 221 fixedly connected to the carrier plate 100 are arranged opposite each other along the X-axis direction. One end of the elastic element 250 is connected to the fixing element 270, and the other end of the elastic element 250 is connected to the connecting plate 260. After the elastic element 250 is stretched, it applies a restoring force to the connecting plate 260. Figure 2 As shown, the fixing member 270 is fixedly connected to the left side of the carrier plate along the X-axis direction. One end of the elastic member 250 along the left side of the X-axis is fixed to the fixing member 270, and the other end of the elastic member 250 along the right side of the X-axis is connected to the connecting plate 260. The positioning structure has a set loading and unloading position along the X-axis direction. The battery cell 500 is placed in the clamping space 240 from this position, and then the battery cell 500 is clamped and positioned.

[0058] The loading / unloading position and the pick-and-place mechanism 300 are located on both sides along the X-axis. The loading / unloading position and the pick-and-place mechanism 300 correspond to a second clamping member 221. When the second clamping member 221 on one side of the loading / unloading position pushes the battery cell 500 and the two first clamping members 211 to move, the elastic member 250 will be stretched. After the laser cleaning is completed, as the second clamping member 221 close to the loading / unloading position retracts, the battery cell 500 and the two first clamping members 211 can return to the loading / unloading position under the elastic force of the elastic member 250. The loading / unloading position is used to unload the battery cell 500 that has been laser cleaned and to load the battery cell 500 to be processed, without the need to set up an additional driving member to drive the battery cell 500 and the two first clamping members 211 to move along the X-axis.

[0059] Reference Figure 3 , Figure 4 and Figure 6 In some embodiments, two first clamping members 211 and two second clamping members 221 together define a clamping space 240. At least one of the two first clamping members 210 is further provided with an anti-drop component, which includes at least one anti-drop member 212. The anti-drop member 212 is provided with a receiving portion 2121, which is located below the clamping space 240 and corresponds to the clamping space 240. Specifically, the anti-drop member 212 is connected to the first clamping member 211, and the anti-drop member 212 can move together with the first clamping member 211 so that the receiving portion 2121 is always located below the clamping space 240 when the cell 500 moves. When a power outage prevents the first clamping member 211 and the second clamping member 221 from clamping the battery cell 500, the receiving part 2121 can catch the falling battery cell 500 so that the battery cell 500 will not directly hit the ground, thus providing better protection for the battery cell 500.

[0060] Reference Figure 7 and Figure 8 In some embodiments, the pick-and-place mechanism 300 includes two opposing clamping members 310, spaced apart along the Y-axis. The two clamping members 310 can move closer together or separate to clamp or release the protective cover 400. The protective cover 400 has a protective portion 420 and a clamping portion 410. The protective portion 420 has a receiving cavity for accommodating at least a portion of the battery end cap; that is, the protective cover 400 can cover components such as terminals on the battery end cap and expose the portion requiring laser cleaning. The clamping portion 410 is connected to the side of the protective portion 420 opposite to the receiving cavity. Specifically, the two clamping members 310 are connected to both sides of the finger cylinder 320. Driven by the finger cylinder 320, the two clamping members 310 can move closer together to clamp the clamping portion 410, and the two clamping members 310 can move further apart to release the clamping portion 410.

[0061] Reference Figure 7 and Figure 8 In some embodiments, the clamping part 410 is provided with a positioning hole 411 extending along the Y-axis direction, and the clamping member 310 is provided with a first main body part 311 and a positioning part 312. The positioning parts 312 of the two clamping members 310 are both connected to the first main body part 311 facing each other. The clamping member 310 can move along the Y-axis direction until at least a portion of the positioning part 312 passes through the positioning hole 411. When the clamping member 310 clamps the clamping part 410, at least a portion of the positioning part 312 passes through the positioning hole 411 to fix the protective cover 400. When moving along the Z-axis direction, the posture of the protective cover 400 relative to the clamping member 310 is also kept fixed, thereby keeping the posture of the protective cover 400 fixed when placed on the battery cell 500.

[0062] In some embodiments, the cross-sectional area of ​​the positioning part 312 gradually decreases along the direction away from the first main body part 311. During the process of the positioning part 312 passing through the positioning hole 411, the end of the positioning part 312 with a smaller cross-sectional area will enter the positioning hole 411 first, and as the clamping part 410 moves, the part of the positioning part 312 in the positioning hole 411 can be aligned, thereby ensuring that when the protective cover 400 is clamped by the two clamping parts 410, the axial direction of the positioning hole 411 can be parallel to the extension direction of the positioning part 312, so that the protective cover 400 is in the correct posture when placed on the end cover of the battery cell 500.

[0063] In some embodiments, refer to Figures 9 to 13The laser cleaning system also includes a dust removal structure, which comprises a second main body 610 and a first air duct 640. The second main body 610 is generally a cuboid structure, corresponding to a square battery, and defines a receiving cavity 630 for accommodating components used to operate and process the battery top cover. The first air duct 640 is installed on at least one side of the second main body 610 in the width direction. In the illustrated embodiment, the first air duct 640 is provided on both sides, and the first air duct 640 is arranged along the length direction of the second main body 610. On the cavity wall of at least one side of the second main body 610 in the width direction, a first connecting hole 611 corresponding to the first air duct 640 is provided, and the first connecting hole 611 penetrates along the thickness direction of the cavity wall. The cavity wall, and the first connecting hole 611 extends along the length of the second main body 610, is provided on the cavity wall. The first air duct 640 is generally a hollow tubular structure, defining a first air channel 644. The first air channel 644 is connected to the receiving cavity 630 through the first connecting hole 611. At both ends of the first air duct 640 along the length, there are two second openings 641. Each second opening 641 can be connected to an air extractor or other air extraction equipment, thereby ensuring that air can be extracted from both ends along the length of the second main body 610. The negative pressure at each point of the first connecting hole 611 can reach the set value. The impurities and dust generated during the laser cleaning process can be extracted, ensuring the cleanliness and ensuring that subsequent processes can proceed smoothly.

[0064] It is understandable that during the operation of the battery top cover, it is necessary to ensure the cleanliness of the work area and ensure that there is no dust or impurities that will affect the normal operation of the work. The dust removal structure can be designed according to the actual working conditions, and the shape of the second main body 610 can be designed to ensure that air can be drawn from both ends in the length direction of the second main body 610 to ensure the dust removal effect.

[0065] In some embodiments, the first duct 640 further includes a baffle 643, which is disposed within the first air duct 644, generally located at the middle position along the length of the first air duct 640, defining the first air duct 644 as a first segment 6441 and a second segment 6442. The first end and the second segment 6442 are not connected to each other, and the first segment 6441 is connected to the outside through one of the second openings 641, and the second segment 6442 is connected to the outside through the other second opening 641. It should be noted that the first segment 6441 and the second segment 6442 are not connected to each other, and both second openings 641 are connected to an exhaust assembly. They can be connected to the same exhaust assembly to ensure consistent negative pressure at both ends, or they can be connected to separate exhaust assemblies to improve the exhaust effect.

[0066] It is understandable that the first section 6441 and the second section 6442 are not connected to each other. Both second openings 641 are connected to the air extraction component, which can extract air from two directions. This can avoid airflow turbulence in the first air duct 644, ensure better air extraction and dust removal, thereby improving the cleanliness of the workstation and ensuring the smooth progress of subsequent processes.

[0067] In some embodiments, the baffle 643 includes a body portion and an extension portion 6431. The body portion is disposed within the first air duct 644, generally located at the middle position in the length direction of the first air duct 640, defining the first air duct 644 as a first segment 6441 and a second segment 6442 that are not connected to each other. The extension portion 6431 and the body portion are integral structures. The extension portion 6431 extends toward the receiving cavity 630 in the width direction of the second body portion 610, defining the first connecting hole 611 as a first hole segment 612 and a second hole segment 613, wherein the first hole segment 612 is connected to the first segment 6441, and the second hole segment 613 is connected to the second segment 6442.

[0068] It is understandable that when the dust removal structure is connected to the air extraction fan for dust removal, it utilizes the negative pressure generated by the air extraction to suck away the dust and impurities in the receiving cavity 630. The airflow enters the first section 6441 from the receiving cavity 630 through the first hole section 612. The dust and impurities are carried away with the airflow. The extension 6431 of the baffle 643 defines the first connecting hole 611 into two sections. The first hole section 612 and the second hole section 613 are not connected to each other, which ensures that during the dust removal operation, in the length direction of the second main body 610, the receiving cavity located on the side of the first hole section 612 is not connected. Dust and impurities in cavity 630 can follow the airflow through the first orifice 612 into the first section 6441 and then be collected. Similarly, dust and impurities in the receiving cavity 630 located on one side of the second orifice 613 can follow the airflow through the second orifice 613 into the second section 6442. Dust and impurities from all places can be sucked away and collected. At the same time, it can further prevent the airflow in the receiving cavity 630 from becoming turbulent when passing through the first connecting hole 611 when both ends are being pumped out at the same time, thereby further improving the dust removal effect and ensuring the cleanliness of the work station.

[0069] In some embodiments, the dust removal structure further includes a second air duct 650 and a second connecting hole 620. The second connecting hole 620 is disposed on at least one side of the cavity wall in the length direction of the receiving cavity 630 and penetrates the cavity wall in the thickness direction. Correspondingly, on the side where the second connecting hole 620 is provided, a second air duct 650 is also provided. The second air duct 650 defines a second air channel 652, which is connected to the receiving cavity 630 through the second connecting hole 620. It is understood that the second air duct 650 is provided on at least one side in the length direction of the second main body 610. The second air duct 650 can also be connected to the air extraction component to perform air extraction, thereby realizing air extraction from multiple directions of the receiving cavity 630, which can further improve the dust removal effect and efficiency, and quickly remove dust from the receiving cavity 630.

[0070] Reference Figures 9 to 12 In the illustrated embodiment, the second main body 610 is provided with a second air duct 650 and a second connecting hole 620 on both sides along its length. Under the premise that the first air duct 640 performs air extraction and dust removal through the first connecting hole 611, the two ends along its length can also perform air extraction and dust removal, which greatly improves the dust removal effect and speed. At the same time, it can also prevent some dust and impurities from accumulating at the corners of the second main body 610. The dust at these corners is difficult to remove. Simultaneous air extraction from multiple directions can ensure that all dust and impurities are sucked away, further ensuring the cleanliness of the receiving cavity 630 and ensuring the normal progress of subsequent processing.

[0071] In some embodiments, the second connecting hole 620 extends along the width direction of the second main body 610. It is understood that the second air duct 652 is connected to the receiving cavity 630 through the second connecting hole 620, and is used to suck away dust and impurities in the receiving cavity 630. Extending the second connecting hole 620 along the width direction of the second main body 610 can not only improve the efficiency of air suction and dust removal, but also greatly avoid dust accumulation at the corners of the receiving cavity 630. During air suction and dust removal, in the width direction of the second main body 610, the airflow enters the second air duct 652 from the receiving cavity 630 through the second connecting hole 620, and takes away the dust and impurities in the receiving cavity 630. Since the second connecting hole 620 is set along the width direction of the second main body 610, the area through which the airflow flows will be larger, and the dust suction effect will be better.

[0072] In some embodiments, the dust removal assembly further includes a bronchus 660, as shown in the figure. Figure 9The bronchus 660 has one first end and multiple second ends, which is a one-to-many structural design. Bronchus 660 is provided on both sides of the second main body 610 along its length. It should be noted that whether welding or cleaning the battery top cover, or performing other processes, there are generally working devices above the work station, that is, above the dust removal components, to work on the battery components. By setting the bronchus 660 on both sides of the second main body 610 along its length, the bronchus 660 can avoid interference with the working devices and ensure the normal operation of the work.

[0073] The second duct 650 has a third opening 651 at one end of the second main body 610 away from the second main body 610 along its length, for communicating with the branch duct 660. Simultaneously, a second opening 641 located on the same side of the second main body 610 as the third opening 651 also communicates with the branch duct 660 on that side. That is, both the second opening 641 and the third opening 651 on the same side of the second main body 610 along its length are connected to a branch duct 660. It should be noted that, referring to… Figure 1 The top cover cleaning device has multiple workstations (two in the illustrated embodiment, but not limited to this). The multiple workstations are arranged sequentially at intervals along the width direction of the second main body 610. The second opening 641 and the third opening 651 on one side of the length direction of the second main body 610 can be connected to the same branch pipe 660 to gather the airflow from each first air duct 644 and second air duct 652. That is, the same air extraction component simultaneously extracts air from multiple first air ducts 644 and multiple second air ducts 652, which can save dust removal costs and facilitate the unified collection and treatment of the extracted dust and impurities.

[0074] In some embodiments, the first air duct 644 and the second air duct 652 are not connected to each other. It is understood that the first air duct 644 is connected to the receiving cavity 630 through the first connecting hole 611, and the second air duct 652 is connected to the receiving cavity 630 through the second connecting hole 620. The airflow at the first air duct 644 and the first connecting hole 611 flows along the width direction of the second main body 610, and the airflow at the second air duct 652 and the second connecting hole 620 flows along the length direction of the second main body 610. The first air duct 644 and the second air duct 652 are not connected to each other, which can avoid airflow turbulence and backflow of airflow in the first air duct 640 and the second air duct 650, which reduces the dust removal effect.

[0075] It is understandable that the first air duct 640 is generally set along the length of the second main body 610 to avoid the operating components above the workstations, and also to arrange multiple workstations at intervals along the width of the second main body 610 as much as possible to improve space utilization. That is, the airflow direction in the first air duct 644 is the length direction of the second main body 610. When the airflow enters the first connecting hole 611 from the receiving cavity 630, the airflow direction is the width direction of the second main body 610. After entering the first air duct 644, the airflow direction changes to the length direction of the second main body 610. When the airflow enters the second connecting hole 620 from the receiving cavity 630, the airflow direction is the length direction of the second main body 610. After entering the second air duct 652, the airflow direction is still the length direction of the second main body 610. Therefore, setting the first air duct 644 and the second air duct 652 to be unconnected can avoid mutual interference between the airflow in the first air duct 644 and the airflow in the second air duct 652, thereby ensuring the dust removal effect and efficiency.

[0076] In some embodiments, refer to Figures 9 to 12 The second main body 610 has first air ducts 640 on both sides in the width direction and second air ducts 650 on both sides in the length direction. The dust removal component also has an air extraction component. Each second opening 641 and each third opening 651 is connected to the air extraction component, that is, each first air duct 644 and each second air duct 652 is connected to the air extraction component, thereby realizing air extraction from all directions of the receiving cavity 630, ensuring the dust removal effect and ensuring the smooth progress of subsequent work.

[0077] In some embodiments, the dust removal structure 600 further includes an air extraction component and an air blowing component. First air ducts 640 are provided on both sides of the second main body 610 in the width direction. One of the first air ducts 644 is connected to the air extraction component, and the other first air duct 644 is connected to the air blowing component. This realizes that air is blown on one side and drawn in on the other side in the width direction of the second main body 610. The airflow has a fixed flow direction in the receiving cavity 630, that is, the air in the receiving cavity 630 flows from the side connected to the air blowing component to the side connected to the air extraction component, thereby carrying away the dust and impurities in the receiving cavity 630. The airflow can better carry away the dust and impurities in the receiving cavity 630, thereby improving the dust removal effect and efficiency.

[0078] Similarly, a second air duct 650 is provided on both sides of the second main body 610 along its length. One of the second air ducts 652 is connected to the exhaust assembly, and the other second air duct 652 is connected to the blowing assembly. This also enables blowing on one side and exhausting on the other side along the length of the second main body 610. The airflow has a fixed flow direction in the receiving cavity 630, which better removes dust and impurities from the receiving cavity 630, thereby further improving the dust removal effect.

[0079] In other embodiments, the second main body 610 has first air ducts 640 on both sides in the width direction and second air ducts 650 on both sides in the length direction. One of the first air ducts 644 is connected to the exhaust assembly, and the other first air duct 644 is connected to the blowing assembly. One of the second air ducts 652 is connected to the exhaust assembly, and the other second air duct 652 is connected to the blowing assembly. This also enables the airflow within the accommodating cavity 630 to have a fixed direction. The airflow carries dust and impurities into each of the first air ducts 644 and the second air ducts 652 to improve the dust removal effect and rate.

[0080] In some embodiments, the second main body 610 of the dust removal structure 600 is provided with first air ducts 640 on both sides in the width direction and second air ducts 650 on both sides in the length direction. Each first air duct 644 is connected to the air extraction component and each second air duct 652 is connected to the air blowing component, so that the air flow in the accommodating cavity 630 has a fixed direction, thereby improving the dust removal effect and rate.

[0081] In some embodiments, the laser cleaning system further includes a feeding device 900, and the conveying device has a set loading position and a unloading position along the X-axis direction, as shown in the figure. Figure 1 The loading position is located on the right side of the X-axis. The conveyor 710 receives the laser-cleaned battery cell 500 at the loading position and conveys it to the clamping space 240 where it is positioned and fixed by the first clamping assembly 200. After cleaning, the conveyor 710 re-accepts the battery cell 500. The receiving process is the same as the process of fixing the battery cell 500 to the first positioning mechanism 200; that is, after the second positioning mechanism 720 fixes the battery cell 500, the first positioning mechanism 200 releases the battery cell 500, ensuring an orderly and reliable transfer process. Subsequently, the conveyor 710 moves to the left side of the X-axis to the unloading device 900. The unloading device 900 includes a gripper 910. After the gripper 910 clamps the battery cell 500, the second positioning mechanism 720 releases the battery cell 500 for unloading. The drive unit of the unloading device 900 can be a multi-axis robot.

[0082] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention. Furthermore, the embodiments of the present invention and the features thereof can be combined with each other unless otherwise specified.

Claims

1. A laser cleaning system for laser cleaning of an electric cell, characterized in that, The utility model relates to a kind of battery cell protection cover laser cleaning device, including: transport device, including conveying piece, the conveying piece can be moved along X axis, the conveying piece is used to carry and transport the electric core;First positioning mechanism is provided with clamping space, the transport device can transport electric core to be housed in the clamping space, the first positioning mechanism can be clamped and positioned the electric core along X axis and Y axis direction;Pick-and-place mechanism, including clamping piece, the clamping piece is used to clamp protective cover, the clamping piece can be corresponding to electric core and move along Z axis direction, to place protective cover on the electric core or separate protective cover from the electric core;Laser cleaning device is set to the transport device above, and the laser cleaning device includes laser head, and the laser head is used to emit laser to the electric core with protective cover placed, and the first positioning mechanism is provided with clamping space;Dust removal structure, the dust removal structure is connected to the first positioning mechanism, and the laser head corresponds to the clamping space, and the dust removal structure includes second main part and first air pipe, the second main part is defined with containing cavity, the containing cavity is provided with first communication hole on the cavity wall of at least one side of the second main part in width direction, and the first communication hole is arranged along the length direction of the second main part, and the first air pipe is connected to at least one side in the width direction of the second main part, and the first air pipe is defined with first air duct, and the first air duct is communicated by the first communication hole and the containing cavity, and wherein, the first air pipe is provided with second opening at both ends along the length direction, and the second opening is used to connect external air source;The first air pipe further includes baffle, and the baffle is arranged in the first air duct, to limit the first air duct as first section and second section not communicated with each other, and the first section is communicated with the outside through one second opening, and the second section is communicated with the outside through another second opening. Further including carrier plate, the carrier plate is set to the transport device above, and the first positioning mechanism is connected to the carrier plate, and the carrier plate is provided with first opening, and the conveying piece can lift the electric core to pass through the first opening and be housed in the clamping space, and the pick-and-place mechanism can be moved relative to the first positioning mechanism along X axis direction to correspond to the electric core. The first positioning mechanism includes two first clamping assemblies and two second clamping assemblies, two first clamping assemblies are spaced apart along X axis direction, and two second clamping assemblies are spaced apart along Y axis direction, the first clamping assembly includes first clamping piece, two first clamping pieces are oppositely arranged, the second clamping assembly includes second clamping piece, and two second clamping pieces are oppositely arranged, and two first clamping pieces and two second clamping pieces jointly define the clamping space, and at least one of two first clamping pieces can be moved relative to another to clamp electric core along Y axis direction, and at least one of two second clamping pieces can be moved relative to another to clamp electric core along X axis direction. ​ ​ ​ 2. The laser cleaning system of claim 1, wherein, ​ 3. The laser cleaning system of claim 2, wherein, ​ 4. The laser cleaning system of claim 3, wherein, The first positioning mechanism further comprises a first guide rail connected to the carrier plate and extending along the X-axis direction, and the first clamping assembly is slidingly connected to the first guide rail, and the second clamping assembly is connected to the carrier plate, and one of the second clamping members is capable of abutting against the battery cell and pushing the first clamping assembly to slide to the other second clamping member abutting against the battery cell.

5. The laser cleaning system of claim 2 or 3, wherein, The conveying device further comprises a second positioning mechanism connected to the conveying member, the second positioning mechanism comprising two third clamping members and two fourth clamping members, the two third clamping members being spaced apart along the Y-axis direction, and the two fourth clamping members being spaced apart along the X-axis direction, and at least one of the two third clamping members being capable of moving relative to the other to clamp the battery cell along the Y-axis direction.

6. The laser cleaning system of claim 5, wherein, The conveying device further comprises a rack, a carrier member and a second guide rail, the rack extending along the X-axis direction, the conveying member being movably connected to the rack, the second guide rail being connected to the conveying member and extending along the Y-axis direction, the carrier member being connected to the second guide rail and capable of moving relative to the second guide rail, and the second positioning mechanism being connected to a side of the carrier member away from the second guide rail.

7. The laser cleaning system of claim 1, wherein, The baffle further comprises an extension portion extending toward the accommodating cavity in the width direction to define the first communication hole as a first hole section and a second hole section, the first hole section being in communication with the first section, and the second hole section being in communication with the second section. 8.The laser cleaning system of claim 1, wherein the protective cover is provided with a clamping portion, the clamping portion is provided with a positioning hole penetrating along the Y-axis direction. The clamping members are provided with first body portions and positioning portions, and the positioning portions of the two clamping members are connected to a side of the first body portions facing each other, and the clamping members are capable of moving along the Y-axis direction to at least part of the positioning portions being arranged in the positioning hole.

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