Conductive adhesive coating mechanism with shaping function and photovoltaic module production equipment

Abstract

The utility model discloses a kind of conductive glue coating mechanism and photovoltaic module production equipment with regular function, and conductive glue coating mechanism includes conveying assembly, transfer assembly and coating assembly;Conveying assembly is used to convey battery piece to feeding station, conveying assembly is also used to convey the battery piece that has been coated with conductive glue to next process, coating assembly is used to coat the battery piece on coating station with conductive glue;Transfer assembly includes first transfer table, second transfer table and rotary drive part, and regular part is set on the first transfer table and the second transfer table, regular part is used to implement regular on the battery piece on the first transfer table and the second transfer table when the first transfer table or the second transfer table is located in feeding station, and rotary drive part is used to drive the first transfer table and the second transfer table to move alternately between feeding station and coating station.The above-mentioned conductive glue coating mechanism implements regular on battery piece before coating, avoids battery piece position skew, and greatly improves coating precision.

Description

Technical Field

[0001] This utility model belongs to the field of photovoltaic module production technology, and in particular relates to a conductive adhesive coating mechanism with a regularizing function and photovoltaic module production equipment. Background Technology

[0002] Back-contact photovoltaic modules, such as IBC (interlocked back contact cells), have positive and negative metal electrodes arranged in an interdigital pattern on the back surface of the cell, with the PN junction also located on the back. Since there are no metal electrodes blocking light on the front, they can achieve higher short-circuit current and conversion efficiency, making them one of the photovoltaic cells with the highest conversion efficiency currently available. To further improve the conversion efficiency of back-contact photovoltaic modules, conductive adhesive is generally used instead of solder ribbons, effectively avoiding the shading of the photovoltaic modules by the solder ribbons and improving the conversion efficiency.

[0003] Therefore, existing photovoltaic module production equipment is usually equipped with a coating mechanism to coat the solar cells with conductive adhesive. The coating mechanism includes a conveying component, a screen printing device, and a loading component. The conveying component is used to transport the solar cells to a preset loading station. The loading component transports the solar cells located at the loading station to the coating component. The screen printing device coats the solar cells with conductive adhesive. However, in the actual implementation process, the solar cells may shift when the conveying component transports them. This causes the solar cells transported to the loading station to be misaligned, and the position of the solar cells transported to the screen printing device to be inaccurate, resulting in poor coating accuracy. Utility Model Content

[0004] The purpose of this invention is to provide a conductive adhesive coating mechanism and photovoltaic module production equipment that have both regularity function, so as to solve the problem of poor coating accuracy caused by conventional coating mechanisms in the prior art.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] In a first aspect, a conductive adhesive coating mechanism with a shaping function is provided for coating conductive adhesive onto a battery cell. The conductive adhesive coating mechanism with a shaping function includes a conveying component, a transfer component, and a coating component.

[0007] The conveying assembly has a loading station on its conveying path. The conveying assembly is configured to convey the battery cell to be coated with conductive adhesive to the loading station. The conveying assembly is also configured to convey the battery cell already coated with conductive adhesive at the loading station to the next process. The coating assembly has a coating station, which is parallel to and spaced apart from the loading station. The coating assembly is configured to coat the battery cell located at the coating station with conductive adhesive.

[0008] The transfer assembly is located between the loading station and the coating station. The transfer assembly includes a first transfer table, a second transfer table, and a rotary drive. The first transfer table and the second transfer table can rotate alternately to the loading station and the coating station. Both the first transfer table and the second transfer table are provided with a straightening part. The straightening part is configured to straighten the battery cells on the first transfer table and the second transfer table when the first transfer table or the second transfer table is located at the loading station. The drive end of the rotary drive is connected to the first transfer table and the second transfer table. The rotary drive is configured to drive the first transfer table and the second transfer table to move alternately between the loading station and the coating station, thereby moving the battery cells.

[0009] Furthermore, the straightening section includes a first driving component, a first straightening component, and a second straightening component. The first straightening component and the second straightening component are disposed on the first transfer table and the second transfer table, respectively, and are positioned close to or far from each other. Both the first straightening component and the second straightening component extend along the conveying direction and are symmetrically disposed on two sides perpendicular to the conveying direction.

[0010] Alternatively, both the first and second alignment members extend perpendicular to the conveying direction;

[0011] The driving end of the first driving member is connected to the first straightening member and / or the second straightening member. The first driving member is configured to drive the first straightening member and the second straightening member to approach each other until they abut against both sides of the battery cell on the first transfer table or the second transfer table located at the loading station, thereby straightening the battery cell.

[0012] Furthermore, the first and second transfer tables have calibration protrusions extending along the conveying direction. A detection component is provided on the conveying assembly at the loading station. The detection component includes a detection frame and a detection camera. The detection frame is vertically arranged at the loading station, and the detection camera is installed on the top of the detection frame with its detection end facing downward. The detection camera is configured to detect whether the battery cell located on the first or second transfer table is parallel to the calibration protrusion at the loading station, and transmit the detection information to the straightening section.

[0013] Furthermore, both the first transfer table and the second transfer table are equipped with sensors, which are configured to detect whether the battery cell is transported to the first transfer table or the second transfer table located at the loading station.

[0014] Furthermore, the coating component is a screen printing device;

[0015] Alternatively, the coating assembly may include a nozzle for spraying conductive adhesive onto the battery cell.

[0016] Furthermore, the conveying assembly includes a first conveying unit and a second conveying unit. The first conveying unit is located in the preceding process of the loading station and is configured to sequentially convey multiple battery cells to be coated with conductive adhesive to the loading station. The second conveying unit is located in the following process of the loading station and is configured to convey the battery cells already coated with conductive adhesive located at the loading station to the next process.

[0017] Secondly, a photovoltaic module manufacturing equipment is provided, which includes the aforementioned conductive adhesive coating mechanism that also has a regularizing function.

[0018] Compared with existing technologies, the beneficial effects of the conductive adhesive coating mechanism and photovoltaic module production equipment that also have a regularizing function are as follows:

[0019] 1) Through the cooperation of the conveying component, the first transfer table, the second transfer table, the rotary drive, the sizing unit, and the coating component, the conveying component conveys the battery cells to be coated with conductive adhesive to the loading station. When the first transfer table or the second transfer table is at the loading station, the sizing unit sizes the battery cells on the first transfer table and the second transfer table. The rotary drive drives the first transfer table and the second transfer table to move alternately between the loading station and the coating station, thereby moving the battery cells. When the battery cells are at the coating station, the coating component coats the battery cells with conductive adhesive. When the battery cells are at the loading station again, the conveying component conveys the battery cells with conductive adhesive already coated at the loading station to the next process. The sizing of the battery cells before coating avoids the battery cells from being misaligned, which greatly improves the coating accuracy.

[0020] 2) Through the cooperation of the first driving member, the first aligning member and the second aligning member, the first driving member drives the first aligning member and the second aligning member to move closer to each other, thereby aligning the battery cells, providing a aligning part with a simple aligning method and no space occupation. Attached Figure Description

[0021] To more clearly illustrate and understand the technical solutions in the embodiments of this utility model, the accompanying drawings used in the background technology and embodiment description of this utility model will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0022] Figure 1 This is a top view schematic diagram of the conductive adhesive coating mechanism with a regularizing function provided in this embodiment of the utility model;

[0023] Figure 2 This is a partial schematic diagram of the conductive adhesive coating mechanism with a regularizing function provided in this embodiment of the utility model;

[0024] Figure 3 This is a front view schematic diagram of the transfer component provided in an embodiment of this utility model. Detailed Implementation

[0025] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0026] To facilitate understanding of this utility model, a more complete description of it will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model. It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may be an intermediate component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or there may be an intermediate component. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of this utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] Please see Figures 1 to 3As shown, in this embodiment, a conductive adhesive coating mechanism with a regularizing function is used to coat conductive adhesive onto a battery cell 40. It includes a conveying assembly 10, a transfer assembly 20, and a coating assembly 30. The conveying assembly 10 has a loading station 100 along its conveying path. The conveying assembly 10 is configured to convey the battery cell 40 to be coated with conductive adhesive to the loading station 100. The conveying assembly 10 is also configured to convey the battery cell 40 already coated with conductive adhesive at the loading station 100 to the next process. The coating assembly 30 has a coating station 300, which is parallel and spaced apart from the loading station 100. The coating assembly 30 is configured to coat the battery cell 40 located at the coating station 300 with conductive adhesive. The transfer assembly 20 is located at the loading station 100 and the coating station 30. Between the coating stations 300, the transfer assembly 20 includes a first transfer table 21, a second transfer table 22, and a rotary drive 23. The first transfer table 21 and the second transfer table 22 can rotate alternately to the loading station 100 and the coating station 300. Both the first transfer table 21 and the second transfer table 22 are provided with a straightening part 50. The straightening part 50 is configured to straighten the battery cells 40 on the first transfer table 21 and the second transfer table 22 when the first transfer table 21 or the second transfer table 22 is located at the loading station 100. The drive end of the rotary drive 23 is connected to the first transfer table 21 and the second transfer table 22. The rotary drive 23 is configured to drive the first transfer table 21 and the second transfer table 22 to move alternately between the loading station 100 and the coating station 300, thereby moving the battery cells 40.

[0028] Specifically, the rotary drive component 23 is a rotary motor or a module capable of rotation.

[0029] As can be seen, through the cooperation of the conveying assembly 10, the first transfer table 21, the second transfer table 22, the rotary drive 23, the sizing unit 50, and the coating assembly 30, the conveying assembly 10 conveys the battery cell 40 to be coated with conductive adhesive to the loading station 100. The sizing unit 50 sizes the battery cell 40 on the first transfer table 21 and the second transfer table 22 when the first transfer table 21 or the second transfer table 22 is located at the loading station 100. The rotary drive 23 drives the first transfer table 21 and the second transfer table 22 to rotate. 22 moves alternately between the loading station 100 and the coating station 300, thereby moving the battery cell 40. When the battery cell 40 is at the coating station 300, the coating component 30 coats the battery cell 40 with conductive adhesive. When the battery cell 40 is back at the loading station 100, the conveying component 10 conveys the battery cell 40 with conductive adhesive at the loading station 100 to the next process. Before coating, the battery cell 40 is shaped to avoid misalignment and greatly improves the coating accuracy.

[0030] In one embodiment, the straightening unit 50 includes a first driving member 51, a first straightening member 52, and a second straightening member 53. The first straightening member 52 and the second straightening member 53 are disposed on the first transfer table 21 and the second transfer table 22, which may be close to or far from each other. Both the first straightening member 52 and the second straightening member 53 extend along the conveying direction and are symmetrically disposed on two sides perpendicular to the conveying direction.

[0031] Of course, as another implementation, both the first aligner 52 and the second aligner 53 extend perpendicular to the conveying direction; the driving end of the first driving member 51 is connected to the first aligner 52 and / or the second aligner 53, and the first driving member 51 is configured to drive the first aligner 52 and the second aligner 53 to approach each other until they abut against both sides of the battery cell 40 on the first transfer table 21 or the second transfer table 22 located at the loading station 100, thereby aligning the battery cell 40.

[0032] Specifically, the first drive component 51 adopts a double-headed cylinder.

[0033] Specifically, the first driving component 51 can also be a transmission pair consisting of a drive motor, a transmission screw, and a nut.

[0034] As can be seen, through the cooperation of the first driving member 51, the first aligning member 52 and the second aligning member 53, the first driving member 51 drives the first aligning member 52 and the second aligning member 53 to move closer to each other, thereby aligning the battery cell 40, and providing an alignment part 50 that is simple in alignment and does not occupy space.

[0035] In one embodiment, the first transfer table 21 and the second transfer table 22 have calibration protrusions 24 extending along the conveying direction. The conveying assembly 10 is provided with a detection assembly 60 at the loading station 100. The detection assembly 60 includes a detection frame 61 and a detection camera 62. The detection frame 61 is vertically arranged at the loading station 100. The detection camera 62 is installed on the top of the detection frame 61 with the detection end of the detection camera 62 facing downward. The detection camera 62 is configured to detect at the loading station 100 whether the battery cell 40 located on the first transfer table 21 or the second transfer table 22 is parallel to the calibration protrusion 24, and transmit the detection information to the straightening unit 50.

[0036] Of course, as another implementation, the calibration protrusion 24 may also extend perpendicular to the conveying direction.

[0037] Specifically, conveyor belts are provided on the bearing surfaces of both the first transfer platform 21 and the second transfer platform 22.

[0038] Specifically, the cross-section of the calibrated protrusion 24 is a trapezoid with a smaller top and a larger bottom.

[0039] It can be seen that by setting the cross-section of the calibration protrusion 24 as a trapezoidal structure, space is saved while facilitating calibration.

[0040] In one embodiment, both the first transfer table 21 and the second transfer table 22 are provided with sensors 25, which are configured to detect whether the battery cell 40 is transported to the first transfer table 21 or the second transfer table 22 located at the loading station 100.

[0041] Specifically, the sensing element 25 is a proximity switch.

[0042] As can be seen, by setting the sensor 25, it is possible to detect whether there are battery cells 40 on the first transfer table 21 or the second transfer table 22, which further improves the feeding efficiency and the overall automation level of the equipment.

[0043] It should be noted that by setting the sensor 25, it is possible not only to detect whether the battery cell 40 is delivered to the first transfer table 21 or the second transfer table 22 located at the loading station 100, but also to detect whether the battery cell 40 leaves the first transfer table 21 or the second transfer table 22 at the loading station 100.

[0044] In one embodiment, the coating assembly 30 is a screen printing device; or, the coating assembly 30 includes a nozzle for spraying conductive adhesive onto the battery cell 40.

[0045] In one embodiment, the conveying assembly 10 includes a first conveying unit 11 and a second conveying unit 12. The first conveying unit 11 is located in the preceding process of the loading station 100 and is configured to sequentially convey multiple battery cells 40 to be coated with conductive adhesive to the loading station 100. The second conveying unit 12 is located in the following process of the loading station 100 and is configured to convey the battery cells 40 already coated with conductive adhesive located at the loading station 100 to the next process.

[0046] Specifically, both the first conveying unit 11 and the second conveying unit 12 extend along the conveying direction and are generally parallel to the coating assembly 30.

[0047] Specifically, both the first conveying unit 11 and the second conveying unit 12 use conveyor belts.

[0048] Specifically, both the bottom of the first conveying unit 11 and the second conveying unit 12 are provided with a height adjustment component 13, which is configured to drive the first conveying unit 11 and the second conveying unit 12 to a high position or a low position.

[0049] When the first conveying unit 11 and the second conveying unit 12 are in a high position, the first conveying unit 11 conveys the previous battery cell 40 to be coated with conductive adhesive to the first transfer table 21 at the loading station 100, and the second conveying unit 12 conveys the battery cell 40 coated with conductive adhesive at the loading station 100 to the next process.

[0050] When the first conveying unit 11 and the second conveying unit 12 are in a low position, they avoid the rotation of the first transfer table 21 and the second transfer table 22.

[0051] Based on the aforementioned conductive adhesive coating mechanism with a conforming function, a photovoltaic module manufacturing equipment is provided, including the aforementioned conductive adhesive coating mechanism with a conforming function.

[0052] When the aforementioned conductive adhesive coating mechanism with a sizing function is in operation: First, the height adjustment component 13 drives the first conveying unit 11 and the second conveying unit 12 to a high position. The first conveying unit 11 conveys the battery cell 40 to be coated with conductive adhesive to the first transfer table 21 at the loading station 100. Second, the detection camera 62 located at the loading station 100 detects whether the battery cell 40 on the first transfer table 21 is parallel to the calibration protrusion 24, and transmits the detection information to the sizing part 50. If they are not parallel, the first driving component 51 drives the first sizing component 52 and the second sizing component 53 to move closer to each other until they abut against both sides of the battery cell 40 located on the first transfer table 21 or the second transfer table 22 at the loading station 100, thus sizing the battery cell 40. Then, the screen printing device coats the battery cell 40 on the second transfer table 22 located at the coating station 300 with conductive adhesive. After sizing and coating are completed, the height adjustment component 13 drives the first conveying unit 11 and the second conveying unit 12 to the first transfer table 22 at the coating station 300. At the low position, the rotary drive 23 drives the first transfer table 21 and the second transfer table 22 to rotate 180°, so that the first transfer table 21 is located at the coating station 300 and the second transfer table 22 is located at the loading station 100. The lifting component 13 drives the first conveying unit 11 and the second conveying unit 12 to the high position. The second conveying unit 12 conveys the battery cell 40 with conductive adhesive already coated at the loading station 100 to the next process. The screen printing device coats the battery cell 40 on the first transfer table 21 at the coating station 300 with conductive adhesive. Finally, the first conveying unit 11 conveys the next battery cell 40 to be coated with conductive adhesive to the second transfer table 22 at the loading station 100. The detection camera 62 located at the loading station 100 detects whether the battery cell 40 on the second transfer table 22 is parallel to the calibration protrusion 24 and transmits the detection information to the straightening unit 50. If they are not parallel, the straightening unit 50 straightens again. The operation is repeated until all battery cells 40 are coated.

[0053] The above embodiments merely illustrate the basic principles and characteristics of this utility model. This utility model is not limited to the above examples. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A conductive adhesive coating mechanism with a shaping function, used for coating conductive adhesive on a battery piece, characterized in that, The conductive adhesive coating mechanism with a regulating function includes a conveying component, a transfer component, and a coating component. The conveying assembly has a loading station on its conveying path. The conveying assembly is configured to convey the battery cell to be coated with conductive adhesive to the loading station. The conveying assembly is also configured to convey the battery cell already coated with conductive adhesive at the loading station to the next process. The coating assembly has a coating station, which is parallel to and spaced apart from the loading station. The coating assembly is configured to coat the battery cell located at the coating station with conductive adhesive. The transfer assembly is located between the loading station and the coating station. The transfer assembly includes a first transfer table, a second transfer table, and a rotary drive. The first transfer table and the second transfer table can rotate alternately to the loading station and the coating station. Both the first transfer table and the second transfer table are provided with a straightening part. The straightening part is configured to straighten the battery cells on the first transfer table and the second transfer table when the first transfer table or the second transfer table is located at the loading station. The drive end of the rotary drive is connected to the first transfer table and the second transfer table. The rotary drive is configured to drive the first transfer table and the second transfer table to move alternately between the loading station and the coating station, thereby moving the battery cells.

2. The conductive paste coating mechanism with a sizing function according to claim 1, wherein The straightening section includes a first driving component, a first straightening component, and a second straightening component. The first straightening component and the second straightening component are disposed on the first transfer table and the second transfer table, respectively, and can be arranged close to or far from each other. Both the first straightening component and the second straightening component extend along the conveying direction and are symmetrically arranged on two sides perpendicular to the conveying direction. Alternatively, both the first and second alignment members extend perpendicular to the conveying direction; The driving end of the first driving member is connected to the first straightening member and / or the second straightening member. The first driving member is configured to drive the first straightening member and the second straightening member to approach each other until they abut against both sides of the battery cell on the first transfer table or the second transfer table located at the loading station, thereby straightening the battery cell.

3. The conductive paste coating mechanism with a sizing function according to claim 1, wherein The first and second transfer tables have calibration protrusions extending along the conveying direction. A detection component is provided on the conveying assembly at the loading station. The detection component includes a detection frame and a detection camera. The detection frame is vertically arranged at the loading station, and the detection camera is installed on the top of the detection frame with its detection end facing downward. The detection camera is configured to detect whether the battery cell located on the first or second transfer table is parallel to the calibration protrusion at the loading station, and transmit the detection information to the straightening section.

4. The conductive paste coating mechanism with a sizing function according to claim 1, wherein Both the first transfer table and the second transfer table are equipped with sensors, which are configured to detect whether the battery cell is transported to the first transfer table or the second transfer table located at the loading station.

5. The conductive paste coating mechanism with a function of a regularizer according to claim 1, wherein The coating component is a screen printing device; Alternatively, the coating assembly may include a nozzle for spraying conductive adhesive onto the battery cell.

6. The conductive paste coating mechanism with a function of a regularizer according to claim 1, wherein The conveying assembly comprises a first conveying unit and a second conveying unit, the first conveying unit is arranged at a preceding process of the feeding station, and is configured to sequentially convey a plurality of battery pieces to be coated with conductive adhesive to the feeding station; the second conveying unit is arranged at a subsequent process of the feeding station, and is configured to convey the battery pieces coated with conductive adhesive at the feeding station to a next process.

7. An apparatus for producing a photovoltaic module, characterized by The photovoltaic module production device comprises the conductive adhesive coating mechanism with the regularizing function according to any one of claims 1 to 6.

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