Positioning mechanism and printing apparatus

Abstract

The utility model provides a positioning mechanism and printing equipment, positioning mechanism includes the base plate, image acquisition subassembly is installed on the base plate, image acquisition subassembly includes the frame, installs a plurality of imaging groups on frame, imaging group includes two imaging units along the first direction arrangement, drive subassembly is fixedly installed on the base plate, drive subassembly is used for driving image acquisition subassembly moves along the second direction, second direction and first direction are coplanar and vertical. The utility model discloses through moving the imaging group with two imaging unit twice gathers four calibration points of battery piece, can make the number of imaging unit reduce half, thereby reduces the cost of image acquisition subassembly.

Description

Technical Field

[0001] This utility model relates to the field of battery cell printing technology, and in particular to a positioning mechanism and printing equipment. Background Technology

[0002] Before printing on solar cells, their positions need to be calibrated using cameras to obtain their coordinates. These coordinates are then used to adjust the solar cells or screen to ensure that the position and orientation of the solar cells are consistent with the position and orientation of the screen printing area. Current technology uses four cameras to simultaneously calibrate four points on the solar cells to determine their coordinates, but these cameras are expensive.

[0003] In view of this, it is necessary to provide a positioning mechanism to solve the above-mentioned technical problems. Utility Model Content

[0004] To achieve the above objectives, the present invention provides a positioning mechanism, which includes a base plate; an image acquisition component movably mounted on the base plate, the image acquisition component including a frame and a plurality of imaging groups mounted on the frame, the imaging group including two imaging units arranged along a first direction; and a driving component fixedly mounted on the base plate, the driving component being used to drive the image acquisition component to move along a second direction, the second direction being coplanar with and perpendicular to the first direction.

[0005] As a further improvement of this utility model, at least two sets of the imaging groups are installed on the frame, the two sets of imaging groups are arranged along the second direction, and one set of the imaging groups is used to acquire image information of a battery cell.

[0006] As a further improvement of this utility model, the drive assembly includes a drive motor, a drive screw connected to the output end of the drive motor, and a drive block threadedly connected to the drive screw, wherein the drive block is connected to the frame.

[0007] As a further improvement of this utility model, a guide rail is provided on the substrate, and the image acquisition component further includes a slider fixed on the frame. The slider is slidably mounted on the guide rail, and both the drive screw and the guide rail extend along the second direction.

[0008] As a further improvement of this utility model, two guide rails are provided on the substrate, and the driving component is located between the two guide rails.

[0009] As a further improvement of this utility model, the frame includes a top plate, a side plate fixed to the top plate on the side facing the substrate, and a first mounting plate slidably mounted on the top plate, and the imaging unit is mounted on the first mounting plate.

[0010] As a further improvement of this utility model, two first mounting plates are provided on the top plate. The two first mounting plates are arranged along the first direction and are slidably mounted on the top plate along the first direction. The two imaging units in the same imaging group are respectively mounted on the two first mounting plates. The first mounting plate is provided with an elongated hole extending along the second direction, and the imaging unit is slidably mounted in the elongated hole.

[0011] As a further improvement of this utility model, the first mounting plate is slidably mounted on the top plate along the second direction, and two imaging units in the same imaging group are mounted on the same first mounting plate. The number of the first mounting plates is the same as the number of the imaging groups. The first mounting plate is provided with an elongated hole extending along the first direction, and the imaging unit is slidably mounted on the elongated hole.

[0012] As a further improvement of this utility model, the frame also includes a second mounting plate that is slidably installed in the elongated hole, and the imaging unit is movably installed on the second mounting plate along the height direction.

[0013] This utility model also provides a printing device, which includes the above-mentioned positioning mechanism.

[0014] The beneficial effects of this utility model are as follows: By moving the imaging component with two imaging units to acquire four calibration points of the battery cell twice, the number of imaging units can be reduced by half, thereby reducing the cost of the image acquisition component. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the positioning mechanism of this utility model from one perspective; Figure 2 This is a schematic diagram of the positioning mechanism of this utility model from another perspective; Figure 3 This is a schematic diagram of the positioning mechanism of this utility model from another perspective; Figure 4 This is an exploded view of the positioning mechanism of this utility model; Figure 5 This is a schematic diagram of the image acquisition component of this utility model; Figure 6 This is a schematic diagram of the image acquisition component of this utility model after the protective plate has been removed; Figure 7 This is a schematic diagram of the first mounting plate of this utility model with an imaging unit; Figure 8 This is a schematic diagram of the second mounting plate of this utility model with an imaging unit; In the picture: 10. Base plate; 11. Guide rail; 20. Image acquisition assembly; 21. Frame; 211. Top plate; 212. Side plate; 213. First mounting plate; 213a. Elongated hole; 214. Second mounting plate; 214a. Adjustment hole; 215. Protective plate; 22. Imaging group; 221. Imaging unit; 221a. Connecting plate; 221b. Camera; 221c. Light source; 23. Slider; 30. Drive assembly; 31. Drive motor; 32. Drive screw; 33. Drive block. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0017] The embodiments of this utility model 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 this utility model, and should not be construed as limiting this utility model.

[0018] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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 limitations on this utility model.

[0019] In the description of this utility model, unless otherwise specified and limited, it should be noted that the terms "installation", "connection" and "linking" should be interpreted broadly. For example, they can refer to mechanical or electrical connections, or internal connections between two components. They can be direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0020] like Figures 1 to 8 As shown, the positioning mechanism provided by this utility model includes a base plate 10, an image acquisition component 20 movably mounted on the base plate 10, and a driving component 30 fixedly mounted on the base plate 10. The driving component 30 is used to drive the image acquisition component 20 to move to acquire image information of the battery cell, thereby obtaining accurate position coordinate information of the battery cell. Based on the position coordinate information of the battery cell, the position and orientation of the battery cell can be adjusted and corrected so that the position of the battery cell matches the preset printing position.

[0021] A guide rail 11 is provided on the substrate 10, and the image acquisition component 20 is slidably mounted on the guide rail 11. By setting the guide rail 11 to guide the movement of the image acquisition component 20, the stability of the image acquisition component 20 during the movement driven by the drive component 30 is improved.

[0022] Two guide rails 11 are provided on the substrate 10, and the driving component 30 is located between the two guide rails 11, thereby further improving the stability of the driving component 30 in driving the image acquisition component 20 to move.

[0023] The image acquisition component 20 is slidably mounted on the substrate 10 via the guide rail 11. The image acquisition component 20 includes a frame 21 and a plurality of imaging groups 22 mounted on the frame 21. Each imaging group 22 includes two imaging units 221 arranged along a first direction. The driving component 30 is used to drive the image acquisition component 20 to move along a second direction.

[0024] In this document, for ease of description, the arrangement direction of the two imaging units 221 within the same imaging group 22 is defined as the first direction, and the direction in which the driving component 30 drives the image acquisition component 20 to move is defined as the second direction, wherein the second direction is coplanar with and perpendicular to the first direction.

[0025] When acquiring image information of the battery cell through the imaging group 22, the driving component 30 first moves the imaging group 22 to the first side of the battery cell along the second direction, and the two imaging units 221 acquire image information of two calibration points on the first side of the battery cell. Then, the driving component 30 moves the imaging group 22 to the second side of the battery cell along the second direction, and the two imaging units 221 acquire image information of two calibration points on the second side of the battery cell, thereby completing the acquisition of image information of four calibration points of the battery cell.

[0026] Compared to simultaneously acquiring image information of four calibration points of the battery cell through four imaging units 221, the number of imaging units 221 can be reduced by half, thereby reducing the cost of the image acquisition component 20.

[0027] When the positioning mechanism needs to acquire image information from multiple battery cells, the battery cells can be arranged along the second direction. After the imaging group 22 acquires image information from four calibration points of the first battery cell, it continues to move along the second direction to acquire image information from four calibration points of the second battery cell, and so on, until image information acquisition of all battery cells is completed. Of course, the number of imaging groups 22 can also be increased to improve the efficiency of acquiring image information from the battery cells.

[0028] In one specific embodiment, at least two sets of imaging groups 22 are mounted on the frame 21. The two sets of imaging groups 22 are arranged along the second direction. One set of imaging groups 22 is used to acquire image information of a single battery cell, thereby improving the efficiency of the positioning mechanism in acquiring image information of multiple battery cells.

[0029] By arranging the imaging group 22 along the second direction, it is possible to first avoid all the imaging units 221 being arranged along the first direction, which would result in the image acquisition component 20 being too large in the first direction, thus making the structure of the image acquisition component 20 more compact; secondly, the arrangement direction of the imaging group 22 is consistent with the moving direction of the image acquisition component 20, so that the image acquisition component 20 can move stably along the second direction under the driving action of the driving component 30.

[0030] The frame 21 includes a top plate 211, a side plate 212 fixed to the top plate 211 on the side facing the substrate 10, and a first mounting plate 213 slidably mounted on the top plate 211. The imaging unit 221 is mounted on the first mounting plate 213.

[0031] The frame 21 has a frame structure. The top plate 211 is shaped like a grid, which facilitates the installation of the first mounting plate 213 with the imaging unit 221 and reduces the weight of the top plate 211. The side plates 212 are used to connect to the base plate 10 and the drive assembly 30. The imaging unit 221 is mounted on the first mounting plate 213. By moving the first mounting plate 213, the spacing between two adjacent imaging groups 22 or the spacing between two imaging units 221 within the same imaging group 22 can be adjusted.

[0032] The top plate 211 is provided with a sliding groove, and the first mounting plate 213 is slidably installed in the sliding groove. A plurality of screw holes are spaced apart along the extension direction of the sliding groove. The first mounting plate 213 is provided with an elongated hole, the extension direction of which is the same as the extension direction of the sliding groove. The first mounting plate 213 is fixed by fixing bolts, which pass through the elongated hole and are connected to the screw holes. The side of the sliding groove is provided with graduations for precise adjustment of the position of the first mounting plate 213.

[0033] The following example illustrates that two imaging groups 22, namely imaging group A and imaging group B, are provided on the frame 21.

[0034] In one embodiment, two first mounting plates 213 are slidably mounted on the top plate 211. The two first mounting plates 213 are arranged along the first direction and slidably mounted on the top plate 211 along the first direction. The two imaging units 221 in the same imaging group 22 are respectively mounted on the two first mounting plates 213.

[0035] It is understood that the first mounting plate 213 extends along the second direction, and two imaging units 221 are mounted on each of the two first mounting plates 213. One of the two imaging units 221 belongs to imaging group A, and the other belongs to imaging group B. By moving the first mounting plate 213, the spacing between the two imaging units 221 in imaging group A and imaging group B can be adjusted simultaneously, so that the spacing between the two imaging units 221 in the same imaging group 22 is adapted to the size of the battery cell.

[0036] The first mounting plate 213 is provided with an elongated hole 213a extending along the second direction, and the imaging unit 221 is slidably mounted in the elongated hole 213a. The elongated hole 213a penetrates the first mounting plate 213 along its thickness direction. By moving the imaging unit 221 along the elongated hole 213a, the spacing between the two imaging units 221 located on the first mounting plate 213 can be adjusted, that is, the spacing between the two imaging groups 22 can be adjusted to match the spacing between the battery cells.

[0037] When it is necessary to increase the number of imaging groups 22, the two imaging units 221 in the increased imaging group 22 are respectively installed on the two first mounting plates 213, that is, the number of imaging units 221 installed on the first mounting plate 213 is the same as the number of imaging groups 22.

[0038] In another embodiment, the first mounting plate 213 is slidably mounted on the top plate 211 along the second direction, and two imaging units 221 in the same imaging group 22 are mounted on the same first mounting plate 213. The number of first mounting plates 213 is the same as the number of imaging groups 22.

[0039] It is understood that the first mounting plate 213 extends along the first direction, and one of the two first mounting plates 213 is used to mount the imaging group A and the other is used to mount the imaging group B. The spacing between the imaging group A and the imaging group B can be adjusted by moving the first mounting plate 213 to adapt to the spacing between the battery cells.

[0040] The first mounting plate 213 is provided with an elongated hole 213a extending along the first direction, and the imaging unit 221 is slidably mounted in the elongated hole 213a. The elongated hole 213a penetrates the first mounting plate 213 along the thickness direction. By moving the imaging unit 221 along the elongated hole 213a, the spacing between the two imaging units 221 located on the first mounting plate 213 can be adjusted, that is, the spacing between the two imaging units 221 within the same imaging group 22 can be adjusted to match the size of the battery cell.

[0041] The frame 21 also includes a second mounting plate 214 that is slidably installed in the elongated hole 213a, and the imaging unit 221 is movably installed on the second mounting plate 214 along the height direction.

[0042] The top of the second mounting plate 214 is threaded with a fixing bolt. The fixing bolt locks the position of the second mounting plate 214, thereby completing the fixation of the imaging unit 221 after movement and adjustment. The second mounting plate 214 extends vertically and is provided with an adjustment hole 214a extending vertically. The imaging unit 221 moves along the adjustment hole 214a to adjust the height of the imaging unit 221.

[0043] The frame 21 also includes a protective plate 215 disposed on its periphery, the protective plate 215 being used to protect the imaging unit 221 mounted on the frame 21.

[0044] The image acquisition component 20 also includes a slider 23 fixed to the frame 21. The slider 23 is slidably mounted on the guide rail 11, which extends along the second direction. The movement of the image acquisition component 20 is guided by the cooperation between the slider 23 and the guide rail 11. Specifically, the slider 23 is disposed on the side plate 212.

[0045] The imaging unit 221 includes a connecting plate 211a, a camera 221b fixed to the connecting plate 211a, and a light source 211c located below the camera 221b. The connecting plate 211a is movable along the adjustment hole 214a and its position is locked by fixing bolts, thereby enabling adjustment and locking of the position of the camera 221b. The light source 211c provides illumination, thereby improving the clarity of the image.

[0046] The drive assembly 30 includes a drive motor 31 fixed on the base plate 10, a drive screw 32 connected to the output end of the drive motor 31, and a drive block 33 threadedly connected to the drive screw 32. The drive block 33 is connected to the frame 21.

[0047] The drive screw 32 extends along the second direction, and the drive block 33 is connected to the side plate 212. The drive motor 31 drives the drive screw 32 to rotate, thereby causing the drive block 33 to move along the drive screw 32, which in turn drives the image acquisition component 20 to move along the second direction to acquire image information of the battery cell.

[0048] Of course, in other embodiments, the drive component 30 may also be a gear rack or a linear motor.

[0049] This utility model also provides a printing device for printing on battery cells. The printing device includes the aforementioned positioning mechanism, transmission module, printing stage, correction mechanism, and printing module. This printing device can print on single battery cells, half battery cells, or multiple single battery cells or multiple half battery cells.

[0050] The transmission module is used to transport the printing platform, on which several battery cells to be printed are placed. The transmission module first transports the printing platform to the area where the positioning mechanism is located, and the image acquisition component 20 acquires image information of the battery cells to obtain precise position coordinate information. Then, the transmission module transports the printing platform to the area where the correction mechanism is located. The correction mechanism adjusts and corrects the battery cells according to the position coordinate information acquired by the image acquisition component 20, so that the position of the corrected battery cells matches the printing position on the printing module. Finally, the printing platform is transported to the area where the printing module is located, and the printing module simultaneously prints on all the battery cells on the printing platform.

[0051] In summary, by moving the imaging group 22 with two imaging units 221 to acquire four calibration points of the battery cell in two separate acquisitions, the present invention can reduce the number of imaging units 221 by half, thereby reducing the cost of the image acquisition component 20.

[0052] It should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0053] The detailed descriptions listed above are merely specific descriptions of feasible embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. All equivalent embodiments or modifications made without departing from the spirit of the present utility model should be included within the scope of protection of the present utility model.

Claims

1. A positioning mechanism, characterized in that, include: base(10); An image acquisition component (20) is movably mounted on the substrate (10). The image acquisition component (20) includes a frame (21) and a plurality of imaging groups (22) mounted on the frame (21). The imaging group (22) includes two imaging units (221) arranged along a first direction. A driving component (30) is fixedly mounted on the substrate (10). The driving component (30) is used to drive the image acquisition component (20) to move along a second direction, which is coplanar with and perpendicular to the first direction.

2. The positioning mechanism according to claim 1, characterized in that: At least two imaging groups (22) are mounted on the frame (21), and the two imaging groups (22) are arranged along the second direction. One imaging group (22) is used to acquire image information of a battery cell.

3. The positioning mechanism according to claim 1, characterized in that: The drive assembly (30) includes a drive motor (31), a drive screw (32) connected to the output end of the drive motor (31), and a drive block (33) threadedly connected to the drive screw (32). The drive block (33) is connected to the frame (21).

4. The positioning mechanism according to claim 3, characterized in that: The substrate (10) is provided with a guide rail (11), and the image acquisition component (20) also includes a slider (23) fixed on the frame (21). The slider (23) is slidably mounted on the guide rail (11), and the drive screw (32) and the guide rail (11) both extend along the second direction.

5. The positioning mechanism according to claim 4, characterized in that: Two guide rails (11) are provided on the substrate (10), and the drive assembly (30) is located between the two guide rails (11).

6. The positioning mechanism according to any one of claims 1 to 5, characterized in that: The frame (21) includes a top plate (211), a side plate (212) fixed to the top plate (211) on the side facing the substrate (10), and a first mounting plate (213) slidably mounted on the top plate (211). The imaging unit (221) is mounted on the first mounting plate (213).

7. The positioning mechanism according to claim 6, characterized in that: Two first mounting plates (213) are provided on the top plate (211). The two first mounting plates (213) are arranged along the first direction and are slidably mounted on the top plate (211) along the first direction. The two imaging units (221) in the same imaging group (22) are respectively mounted on the two first mounting plates (213). The first mounting plate (213) is provided with an elongated hole (213a) extending along the second direction, and the imaging unit (221) is slidably mounted in the elongated hole (213a).

8. The positioning mechanism according to claim 6, characterized in that: The first mounting plate (213) is slidably mounted on the top plate (211) along the second direction. Two imaging units (221) in the same imaging group (22) are mounted on the same first mounting plate (213). The number of the first mounting plates (213) is the same as the number of the imaging groups (22). The first mounting plate (213) is provided with an elongated hole (213a) extending along the first direction, and the imaging unit (221) is slidably mounted on the elongated hole (213a).

9. The positioning mechanism according to claim 7 or 8, characterized in that: The frame (21) further includes a second mounting plate (214) that is slidably installed in the elongated hole (213a), and the imaging unit (221) is movably installed on the second mounting plate (214) along the height direction.

10. A printing apparatus, characterized in that: Includes the positioning mechanism as described in any one of claims 1-9.

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