Solar cell transmission device and solar cell production equipment

Abstract

The utility model discloses a solar cell piece conveying device and solar cell piece production equipment, the conveying device comprises a gantry material taking mechanism, a carrier plate mechanism and a piece receiving platform mechanism, and the gantry material taking mechanism is used for conveying cell pieces between the carrier plate mechanism and the piece receiving platform mechanism; the carrier plate mechanism comprises a first lifting driving assembly and a carrier plate, and the carrier plate is driven by the first lifting driving assembly to move relative to the gantry material taking mechanism so that the gantry material taking mechanism can take and place pieces from the carrier plate. The sheet receiving platform mechanism comprises a second lifting driving assembly and a sheet receiving platform, and the sheet receiving platform is driven by the second lifting driving assembly to move relative to the gantry material taking mechanism so that the gantry material taking mechanism can take and place sheets from the sheet receiving platform. According to the solar cell, bad batch of cells caused by abnormity in the transmission process of the cells can be avoided, and the yield and the productivity of products are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of solar cells, in particular to a solar cell wafer conveying device and a solar cell wafer production equipment. BACKGROUND

[0002] In the production process of HJT cells, wafer picking and placing operations are involved. In the prior art, a gantry material taking structure is used to realize the transmission of wafers between a wafer runway, a wafer carrier and a wafer receiving platform. The gantry material taking structure includes a plurality of material taking heads arranged in rows. Since the positions of the wafer runway, the wafer carrier and the wafer receiving platform are relatively fixed, each row of the material taking heads in the gantry material taking structure is controlled by a lifting drive motor, so that the material taking heads can approach or move away from the wafers to realize the wafer picking and placing operations. However, if one of the lifting drive motors in the gantry material taking structure malfunctions during the operation, the entire gantry material taking structure cannot normally pick and place wafers, which in turn causes the entire equipment to stop abnormally, the wafers remaining in the equipment cannot be processed in time, and batch defects of solar cell wafers occur. Therefore, it is necessary to provide a solar cell wafer conveying device and a solar cell wafer production equipment that can avoid batch defects of solar cell wafers caused by malfunctions during wafer transmission, improve the yield rate of products and production capacity. CONTENT OF THE UTILITY MODEL

[0003] The purpose of the present application is to solve the above problems and provide a solar cell wafer conveying device and a solar cell wafer production equipment. The solar cell wafer can avoid batch defects of solar cell wafers caused by malfunctions during wafer transmission, improve the yield rate of products and production capacity.

[0004] To solve the above technical problems, the technical solution adopted by the present application is as follows:

[0005] In a first aspect, the present application provides a solar cell wafer conveying device, which includes a gantry material taking mechanism, a wafer carrier mechanism and a wafer receiving platform mechanism. The gantry material taking mechanism is used to convey solar cell wafers between the wafer carrier mechanism and the wafer receiving platform mechanism. The wafer carrier mechanism includes a first lifting drive assembly and a wafer carrier driven by the first lifting drive assembly. The wafer carrier moves relative to the gantry material taking mechanism under the drive of the first lifting drive assembly, so that the gantry material taking mechanism picks and places wafers from the wafer carrier. The wafer receiving platform mechanism includes a second lifting drive assembly and a wafer receiving platform driven by the second lifting drive assembly. The wafer receiving platform moves relative to the gantry material taking mechanism under the drive of the second lifting drive assembly, so that the gantry material taking mechanism picks and places wafers from the wafer receiving platform.

[0006] Optionally, the first lifting driving assembly comprises a first supporting plate, first lifting driving members vertically arranged on both sides of the first supporting plate, and a second supporting plate driven by the first lifting driving members, and the carrier plate is carried on the second supporting plate; the first lifting driving members are oppositely arranged, and the second supporting plate is arranged between the first lifting driving members.

[0007] Optionally, the second lifting driving assembly comprises a third supporting plate and second lifting driving members arranged on the third supporting plate, and the tab platform is arranged at the telescopic end of the second lifting driving members.

[0008] Optionally, the tab platform comprises a fourth supporting plate and fifth supporting plates vertically arranged on the fourth supporting plate, the fifth supporting plates are arranged at intervals, and the top of the fifth supporting plates is provided with a positioning structure for positioning the battery tab.

[0009] Optionally, the tab platform mechanism further comprises a guide assembly; the guide assembly comprises protrusions arranged on the third supporting plate and guide plates arranged on the bottom surface of the fourth supporting plate, the protrusions are arranged in parallel with the fifth supporting plates, and guide rails are arranged on the axially opposite two side walls of the protrusions, and the guide plates are slidingly connected in the guide rails.

[0010] Optionally, the conveying device further comprises a tab conveying runway corresponding to the tab platform mechanism, the tab conveying runway can be embedded in the gap formed by the fifth supporting plates, and the tab platform mechanism realizes the operation of taking and placing the tab on the tab conveying runway through the lifting of the tab platform.

[0011] Optionally, the gantry material taking mechanism comprises a rotary driving member, a variable distance assembly arranged at the rotating end of the rotary driving member, connecting columns driven by the variable distance assembly, and material taking heads distributed along the axial direction of the connecting columns; the variable distance assembly is used for adjusting the distance between the connecting columns.

[0012] Optionally, the conveying device of the solar battery tab comprises a feeding area and a discharging area, the feeding area and the discharging area both comprise the gantry material taking mechanism, the carrier plate mechanism, the tab platform mechanism and the tab conveying runway, and the tab conveying runway is arranged corresponding to the tab platform mechanism.

[0013] Optionally, the loading area includes a first gantry retrieving mechanism, a first carrier plate mechanism, a first receiving platform mechanism, and a first transfer track, wherein the first transfer track is correspondingly arranged with the first receiving platform mechanism; the first carrier plate mechanism is used to carry the solar cells to be processed, the first gantry retrieving mechanism is used to retrieve the cells from the first carrier plate mechanism and transfer them to the first receiving platform mechanism, and the first receiving platform mechanism is used to transfer the received solar cells to the first transfer track; the unloading area includes a second gantry retrieving mechanism, a second carrier plate mechanism, a second receiving platform mechanism, and a second transfer track, wherein the second transfer track is correspondingly arranged with the second receiving platform mechanism; the second transfer track is used to transfer the processed solar cells, the second receiving platform mechanism is used to receive the solar cells on the second transfer track and transfer them to the second gantry retrieving mechanism, and the second gantry retrieving mechanism is used to transfer the solar cells located on the second receiving platform mechanism to the second carrier plate mechanism.

[0014] Secondly, this application provides a solar cell manufacturing apparatus, which includes a solar cell transmission device as described above.

[0015] The beneficial effects of this application include at least the following:

[0016] The solar cell transfer device described in this application achieves the operation of the gantry material handling mechanism picking up and placing cells from the carrier plate mechanism and the cell receiving platform mechanism by setting the first lifting drive component and the second lifting drive component to drive the carrier plate and the cell receiving platform to move relative to the gantry material handling mechanism, respectively. This eliminates the need for a lifting mechanism in the gantry material handling mechanism. Compared with the prior art, this avoids the occurrence of batch defects in solar cells due to a failure of one lifting mechanism in the gantry material handling mechanism, and improves the product yield and production capacity. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the carrier plate mechanism of this application.

[0018] Figure 2 This is a schematic diagram of the structure of the first lifting drive component of this application.

[0019] Figure 3 This is an assembly diagram illustrating the cooperation between the film receiving platform mechanism and the film transfer track in this application.

[0020] Figure 4 for Figure 3 View of a cross-section along AA.

[0021] Figure 5 This is a schematic diagram of the guiding component of this application.

[0022] Figure 6 It is a structural schematic diagram of the gantry material taking mechanism of the present application.

[0023] Figure 7 It is a structural schematic diagram of the gantry material taking mechanism of the present application.

[0024] Figure 8 It is a structural schematic diagram of the conveying device of the solar cell of the present application.

[0025] Wherein, 1-gantry material taking mechanism, 11-rotary driving part, 12-variator assembly, 13-connecting column, 14-material taking head, 2-carrier plate mechanism, 21-first lifting driving assembly, 211-first supporting plate, 212-first lifting driving part, 213-second supporting plate, 22-carrier plate, 3-tab platform mechanism, 31-second lifting driving assembly, 311-third supporting plate, 312-second lifting driving part, 32-tab platform, 321-fourth supporting plate, 322-fifth supporting plate, 323-positioning structure, 33-guiding assembly, 331-protrusion, 332-guiding plate, 333-guiding rail, 4-tab conveying runway, 100-feeding area, 101-first gantry material taking mechanism, 102-first carrier plate mechanism, 103-first tab platform mechanism, 104-first tab conveying runway, 200-discharging area, 201-second gantry material taking mechanism, 202-second carrier plate mechanism, 203-second tab platform mechanism, 204-second tab conveying runway. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present application can be more thoroughly and completely understood.

[0027] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element.

[0028] In the present application, the description such as "first", "second" and the like is only for the purpose of description and should not be understood as indicating or implying the relative importance of the technical features indicated or implying the number of the technical features indicated.

[0029] In the description of the present application, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. It should be noted that in the present application, the direction top refers to the direction away from the equipment installation plane, and the bottom refers to the direction close to the equipment installation plane; the horizontal direction refers to the plane parallel to the plane formed by the XY axis in the space coordinate system, and the vertical direction refers to the direction parallel to the Z axis in the space coordinate system.

[0030] Embodiments:

[0031] Referring to Figures 1 to 7 As shown in the first aspect, the present application provides a solar cell wafer conveying device, which comprises a gantry material taking mechanism 1, a carrier plate mechanism 2 and a wafer platform mechanism 3, the gantry material taking mechanism 1 is used for conveying the wafer between the carrier plate mechanism 2 and the wafer platform mechanism 3; the carrier plate mechanism 2 comprises a first lifting driving assembly 21 and a carrier plate 22 driven by the first lifting driving assembly 21, the carrier plate 22 moves relative to the gantry material taking mechanism 1 under the driving of the first lifting driving assembly 21, so that the gantry material taking mechanism 1 takes and places the wafer from the carrier plate 22; the wafer platform mechanism 3 comprises a second lifting driving assembly 31 and a wafer platform 32 driven by the second lifting driving assembly 31, the wafer platform 32 moves relative to the gantry material taking mechanism 1 under the driving of the second lifting driving assembly 31, so that the gantry material taking mechanism 1 takes and places the wafer from the wafer platform 32. The solar cell wafer conveying device is suitable for wafer conveying operation in HJT cell production process, such as wafer conveying in PECVD process. In addition, the solar cell wafer conveying device described in the present application can also be suitable for wafer conveying operation in other fields.

[0032] The transmission device of the solar cell piece described in the application comprises a carrier plate mechanism 2 and a tab platform mechanism 3, the carrier plate mechanism 2 and the tab platform mechanism 3 respectively comprise a first lifting driving assembly 21 and a second lifting driving assembly 31, the carrier plate mechanism 2 drives the carrier plate 22 to move relative to the gantry material taking mechanism 1 through the first lifting driving assembly 21, so that the gantry material taking mechanism 1 can take and place the piece from the carrier plate 22, and similarly, the tab platform 32 structure drives the tab platform 32 to move relative to the gantry material taking mechanism 1 through the second lifting driving assembly 31, so that the gantry material taking mechanism 1 takes and places the piece from the carrier plate 22. In the transmission device of the solar cell piece described in the application, the first lifting driving assembly 21 and the second lifting driving assembly 31 are arranged to drive the carrier plate 22 and the tab platform 32 to move relative to the gantry material taking mechanism 1 respectively, so that the gantry material taking mechanism 1 takes and places the piece from the carrier plate mechanism 2 and the tab platform mechanism 3; without arranging a lifting mechanism in the gantry material taking mechanism 1, compared with the prior art, the batch of solar cell pieces caused by the failure of a lifting mechanism in the gantry material taking mechanism 1 is avoided, the yield of the product is improved, and the production capacity is improved.

[0033] Referring to Figure 1 and Figure 2 As shown, the first lifting driving assembly 21 comprises a first supporting plate 211, first lifting driving members 212 vertically arranged on both sides of the first supporting plate 211, and a second supporting plate 213 driven by the first lifting driving members 212, and the carrier plate 22 is carried on the second supporting plate 213; the first lifting driving members 212 are arranged oppositely, and the second supporting plate 213 is arranged between the first lifting driving members 212.

[0034] The first supporting plate 211 is arranged along a horizontal direction; the carrier plate 22 is arranged on a side of the second supporting plate 213 which is away from the first supporting plate 211. In use, when the gantry material taking mechanism 1 takes or places the wafer on the carrier plate 22, the first lifting driving component 212 drives the second supporting plate 213 to move along a direction which is perpendicular to the first supporting plate 211, and then drives the carrier plate 22 arranged on the second supporting plate 213 to move along a direction which is perpendicular to the first supporting plate 211 and close to the gantry material taking mechanism 1, so as to make the gantry material taking mechanism 1 take or place the wafer from the carrier plate 22. Optionally, in some embodiments, the first lifting driving component 212 is a linear guide rail assembly. The first lifting driving component 212 drives the lifting movement of the carrier plate 22, and through the movement of the carrier plate 22 close to or away from the gantry material taking mechanism 1, the operation of the gantry material taking mechanism 1 taking or placing the wafer from the carrier plate 22 is realized, so that the gantry material taking mechanism 1 does not need to be provided with a lifting driving component, and the abnormal taking of the material caused by the abnormality of the lifting driving component is avoided.

[0035] Referring to Figure 3 and Figure 4 As shown in the figure, the second lifting driving assembly 31 comprises a third supporting plate 311 and a second lifting driving component 312 arranged on the third supporting plate 311, and the wafer platform 32 is arranged at the telescopic end of the second lifting driving component 312. The third supporting plate 311 is arranged along a horizontal direction.

[0036] The wafer platform 32 comprises a fourth supporting plate 321 and a fifth supporting plate 322 which is arranged vertically on the fourth supporting plate 321, and the fifth supporting plates 322 are arranged at intervals. The top of the fifth supporting plate 322 is provided with a positioning structure 323 which is used for positioning the battery wafer. In some embodiments, the positioning structure 323 is a slope structure arranged on the top of the fifth supporting plate 322, the inclination angle of the slope structure gradually increases towards the top of the fifth supporting plate 322, and the relative two slope structures form a positioning space with an open structure, and the end with a smaller cross section of the open structure is arranged towards the fourth supporting plate 321. The fourth supporting plate 321 is arranged along a horizontal direction, and the top refers to the end of the fifth supporting plate 322 which is away from the fourth supporting plate 321.

[0037] Referring to Figures 3 to 5As shown, the tab platform mechanism 3 further comprises a guide assembly 33; the guide assembly 33 comprises a protrusion 331 provided on the third supporting plate 311 and a guide plate 332 provided on the bottom surface of the fourth supporting plate 321, the protrusion 331 is arranged in parallel with the fifth supporting plate 322, and guide rails 333 are arranged on the axially opposite two side walls of the protrusion 331, and the guide plate 332 is slidingly connected in the guide rails 333. The arrangement of the guide assembly 33 improves the stability of the lifting movement of the tab platform 32, avoids damage to the battery tab during transmission, and further improves the yield of solar cell tabs. The guide rails 333 and the guide plates 332 are arranged one by one. As an option, the number of guide rails 333 and the guide plates 332 can be selected according to actual needs. As an option, the number of tab platforms 32 arranged in the tab platform mechanism 3 and the number of fifth supporting plates 322 arranged in the tab platform 32 can be specifically set according to actual needs, and the number of guide assemblies 33 and lifting driving members corresponds to the number of tab platforms 32. For example, the tab platform mechanism 3 comprises two tab platforms 32, and the number of lifting driving members is at least two, the tab platform 32 comprises a fourth supporting plate 321 and three fifth supporting plates 322 vertically arranged on the fourth supporting plate 321, and the three fifth supporting plates 322 are arranged in parallel with each other; the inclined surface structure arranged on the top of the three fifth supporting plates 322 forms two positioning spaces. When the protrusion 331 is arranged on the third supporting plate 311, the second lifting driving member 312 can be embedded in the protrusion 331. As an option, the number of second lifting driving members is at least one.

[0038] The solar cell tab transmission device further comprises a tab runway 4 arranged corresponding to the tab platform mechanism 3, the tab runway 4 can be embedded in the gap formed by the fifth supporting plate 322, and the tab platform mechanism 3 realizes the operation of taking and placing the tab on the tab runway 4 through the lifting of the tab platform 32. In use, the second lifting driving member 312 drives the tab platform 32 to move up and down, and then the tab platform 32 can move relative to the tab runway 4, so that the tab platform mechanism 3 can receive the battery tab from the tab runway 4 or deliver the battery tab to the tab runway 4.

[0039] Referring to Figure 6 and Figure 7As shown, the gantry material taking mechanism 1 comprises a rotary driving member 11, a variable distance assembly 12 arranged at the rotary end of the rotary driving member 11, connecting columns 13 driven by the variable distance assembly 12, and material taking heads 14 arranged along the axial direction of the connecting columns 13. The variable distance assembly 12 is used to adjust the distance between the connecting columns 13. The arrangement of the variable distance assembly 12 enables the distance between the connecting columns 13 to be adjusted, thereby improving the adjustability of the gantry material taking mechanism 1 and facilitating the taking of the battery pieces from the carrier plate 22. The number of the material taking heads 14 is not less than the number of battery pieces that can be carried by the carrier plate 22. The variable distance assembly 12 comprises a frame connected to the rotary driving member 11 and a transmission member slidingly connected to the frame, and the connecting columns 13 are connected to the transmission member. In use, the rotary driving member 11 drives the variable distance assembly 12 to rotate, thereby driving the connecting columns 13 to rotate, so that the material taking member is aligned with the battery pieces on the carrier plate 22 or the tab platform 32, to realize the taking and placing of the battery pieces. The material taking member can be a vacuum material taking assembly.

[0040] Referring to Figure 8 As shown, the solar battery piece conveying device comprises a feeding area 100 and a discharging area 200, and the feeding area 100 and the discharging area 200 each comprise the gantry material taking mechanism 1, the carrier plate mechanism 2, the tab platform mechanism 3, and the piece conveying runway 4, and the piece conveying runway 4 is arranged correspondingly to the tab platform mechanism 3. When the solar battery piece is used for the PECVD process of the HJT battery, the feeding area 100 is used to feed the battery pieces to be processed, and the discharging area 200 is used to discharge the battery pieces after the PECVD process.

[0041] Referring to Figure 8As shown, the feeding area 100 comprises a first gantry material taking mechanism 101, a first carrier plate mechanism 102, a first tab platform mechanism 103, and a first tab runway 104 corresponding to the first tab platform mechanism 103; the first carrier plate mechanism 102 is used to carry the battery piece to be processed, the first gantry material taking mechanism 101 is used to take the battery piece from the first carrier plate mechanism 102 and transmit it to the first tab platform mechanism 103, and the first tab platform mechanism 103 is used to transmit the received battery piece to the first tab runway 104; the discharging area 200 comprises a second gantry material taking mechanism 201, a second carrier plate mechanism 202, a second tab platform mechanism 203, and a second tab runway 204 corresponding to the second tab platform mechanism 203; the second tab runway 204 is used to transmit the processed battery piece, the second tab platform mechanism 203 is used to receive the battery piece on the second tab runway 204 and transmit it to the second gantry material taking mechanism 201, and the second gantry material taking mechanism 201 is used to transmit the battery piece on the second tab platform mechanism 203 to the second carrier plate mechanism 202.

[0042] When the transmission device of the solar cell piece is used for PECVD treatment, the following steps are included: loading; the first piece transmission runway 104 transmits the cell piece to be treated, the second lifting driving assembly 31 drives the piece platform 32 to ascend, so that the top of the piece platform 32 receives the cell piece to be treated arranged on the first piece transmission runway 104, so that the first piece platform mechanism 103 receives the cell piece to be treated from the first piece transmission runway 104 and lifts the cell piece to be treated to the first gantry material taking mechanism 101, the first gantry material taking mechanism 101 takes the piece, and then transmits the cell piece to be treated to the first carrier plate mechanism 102; when receiving the cell piece to be treated transmitted by the first gantry material taking mechanism 101, the first carrier plate mechanism 102 drives the carrier plate 22 to move by the first lifting driving assembly 21, so as to facilitate the operation of the first gantry material taking mechanism 101. When unloading, the second piece transmission runway 204 receives the treated cell piece, the second lifting driving part 312 of the second piece platform mechanism 203 drives the piece platform 32 and makes the top of the piece platform 32 protrude from the plane of the second piece transmission runway 204, so as to take down the treated cell piece arranged on the second piece transmission runway 204, the treated cell piece is lifted to the second gantry material taking mechanism 201 by the second piece platform 32, the second gantry material taking mechanism 201 transmits the cell piece to the second carrier plate mechanism 202 after taking the piece from the second piece platform 32, so as to realize the unloading of the treated cell piece; when receiving the cell piece transmitted by the second gantry material taking mechanism 201, the first lifting driving assembly 21 of the second gantry material taking mechanism 201 drives the carrier plate 22 to move towards the second gantry material taking mechanism 201.

[0043] In the second aspect, the embodiments of the present application provide a solar cell piece production equipment, which comprises the transmission device of the solar cell piece. The transmission device of the solar cell piece is arranged to drive the lifting movement of the carrier plate 22 by the first lifting driving part 212, so that the gantry material taking mechanism 1 is close to or far away from the carrier plate 22, the gantry material taking mechanism 1 is realized to take or place the piece from the carrier plate 22, so that the gantry material taking mechanism 1 does not need to be arranged with a lifting driving part, which avoids the abnormal taking of the material caused by the abnormal lifting driving part of the gantry material taking mechanism 1, and further improves the overall production efficiency and capacity of the solar cell piece production equipment.

[0044] The technical features of the above embodiments can be combined in any manner. In order to make the description concise, all possible combinations of the technical features in the above embodiments are not described, but as long as the combinations of the technical features do not exist, they should be considered as the scope of the description.

[0045] The above embodiments only express the preferred embodiments of the present application, which are described in a more specific and detailed manner, but should not be construed as limiting the scope of the patent application. It should be noted that for ordinary skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, which are all within the scope of protection of the present application. Therefore, the scope of protection of the patent of the present application should be subject to the appended claims.

Claims

1. A conveying device for solar cells, characterized in that: It includes a gantry material taking mechanism, a carrier plate mechanism and a tab platform mechanism, the gantry material taking mechanism is used for transferring the solar cell between the carrier plate mechanism and the tab platform mechanism; the carrier plate mechanism includes a first lifting driving assembly and a carrier plate driven by the first lifting driving assembly, the carrier plate moves relative to the gantry material taking mechanism under the driving of the first lifting driving assembly, so that the gantry material taking mechanism takes and places the solar cell from the carrier plate; the tab platform mechanism includes a second lifting driving assembly and a tab platform driven by the second lifting driving assembly, the tab platform moves relative to the gantry material taking mechanism under the driving of the second lifting driving assembly, so that the gantry material taking mechanism takes and places the solar cell from the tab platform.

2. The solar cell conveying device according to claim 1, wherein: The first lifting driving assembly includes a first supporting plate, first lifting driving members vertically arranged on both sides of the first supporting plate and a second supporting plate driven by the first lifting driving members, the carrier plate is carried on the second supporting plate; the first lifting driving members are oppositely arranged, and the second supporting plate is arranged between the first lifting driving members.

3. The solar cell conveying device according to claim 1, wherein: The second lifting driving assembly includes a third supporting plate and second lifting driving members arranged on the third supporting plate, and the tab platform is arranged at the telescopic ends of the second lifting driving members.

4. The solar cell conveying device according to claim 3, wherein: The tab platform includes a fourth supporting plate and fifth supporting plates vertically arranged on the fourth supporting plate, the fifth supporting plates are arranged at intervals, and the top of the fifth supporting plates is provided with a positioning structure for positioning the solar cell.

5. The solar cell conveying device according to claim 4, wherein: The tab platform mechanism further includes a guide assembly, the guide assembly includes protrusions arranged on the third supporting plate and guide plates arranged on the bottom surface of the fourth supporting plate, the protrusions are arranged in parallel with the fifth supporting plates, and guide rails are arranged on the axially opposite two side walls of the protrusions, and the guide plates are slidingly connected in the guide rails.

6. The solar cell conveying device according to claim 4, wherein: The conveying device further includes a tab conveying runway corresponding to the tab platform mechanism, the tab conveying runway can be embedded in the gap formed by the fifth supporting plates, and the tab platform mechanism takes and places the solar cell on the tab conveying runway through the lifting of the tab platform.

7. The solar cell conveying device according to claim 1, wherein: The gantry material taking mechanism includes a rotating driving member, a variable distance assembly arranged at the rotating end of the rotating driving member, connecting columns driven by the variable distance assembly, and material taking heads arranged along the axial direction of the connecting columns; the variable distance assembly is used for adjusting the distance between the connecting columns.

8. The solar cell conveying device according to claim 6, wherein: The conveying device of the solar cell includes a feeding area and a discharging area, and the feeding area and the discharging area each include the gantry material taking mechanism, the carrier plate mechanism, the tab platform mechanism and the tab conveying runway, and the tab conveying runway is arranged corresponding to the tab platform mechanism.

9. The solar cell conveying device according to claim 8, wherein: The upper feeding area comprises a first gantry material taking mechanism, a first carrier plate mechanism, a first tab platform mechanism and a first tab runway, the first tab runway is correspondingly arranged with the first tab platform mechanism; the first carrier plate mechanism is used for carrying the battery piece to be processed, the first gantry material taking mechanism is used for taking the battery piece from the first carrier plate mechanism and transmitting to the first tab platform mechanism, the first tab platform mechanism is used for transmitting the received battery piece to the first tab runway; the lower feeding area comprises a second gantry material taking mechanism, a second carrier plate mechanism, a second tab platform mechanism and a second tab runway, the second tab runway is correspondingly arranged with the second tab platform mechanism; the second tab runway is used for transmitting the processed battery piece, the second tab platform mechanism is used for receiving the battery piece on the second tab runway and transmitting to the second gantry material taking mechanism, the second gantry material taking mechanism is used for transmitting the battery piece arranged in the second tab platform mechanism to the second carrier plate mechanism.

10. A solar cell manufacturing equipment, characterized in that, The transmission device comprising the solar battery piece as claimed in any one of claims 1-9.

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