CN219106184U

CN219106184U - Half HJT battery piece take out piece device

Info

Publication number: CN219106184U
Application number: CN202222871603.1U
Authority: CN
Inventors: 宋金诚; 张晓波; 杨超
Original assignee: Jiangsu Guosheng Shi'an New Energy Co ltd
Current assignee: Jiangsu Guosheng Shi'an New Energy Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-05-30
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to a drawing device for half HJT battery pieces, which comprises a drawing assembly, a transfer platform and a driving assembly, wherein the driving assembly drives the drawing assembly to reciprocate along the horizontal direction and the vertical direction; the pulling piece assembly comprises a pulling piece body, the pulling piece body comprises a pulling hand part and a carrying part which are sequentially arranged along the horizontal direction, the transfer platform is positioned at the left side and the right side of the pulling piece body and positioned below the battery piece, a first stop block, a first supporting block, a micropore sucker, a second supporting block and a second stop block are sequentially arranged on the pulling piece along the horizontal direction, the micropore sucker is respectively lower than the first supporting block and the second supporting block, the inclined planes of the first stop block and the second stop block are in line contact with the two side edges of the battery piece, the first supporting block and the second supporting block are in line contact with the middle of the battery piece, a third stop block, a third supporting block and a fourth stop block are sequentially arranged on the carrying part along the horizontal direction, the inclined planes of the third stop block and the fourth stop block are in line contact with the two side edges of the battery piece, and the third supporting block is in line contact with the middle of the battery piece.

Description

Half HJT battery piece take out piece device

Technical Field

The utility model belongs to the technical field of solar cells, and particularly relates to a half HJT cell drawing device.

Background

The HJT cell uses an N-type silicon wafer as a substrate, a transparent conductive oxide film (TCO for short), a P-type amorphous silicon film and an intrinsic hydrogen amorphous silicon film are sequentially arranged on the front surface, and a transparent conductive oxide film (TCO for short), an N-type amorphous silicon film and an intrinsic amorphous silicon film are sequentially arranged on the back surface. In order to overcome the defects that the conventional battery piece industry mainly adopts a whole piece process, and the battery assembly process section is cut to cause cutting loss and influence the efficiency of the battery assembly, the current HJT battery piece adopts a half piece process, namely, the half piece is cut before the (silicon wafer) material is fed, and then the process flow of the HJT battery piece is carried out. And in order to reduce the cost of the silicon wafer, a flaking line can be adopted, and the thickness is reduced from 150um to 100um or even thinner.

When the deposition process is carried out after the texturing process in the HJT battery piece process flow, half HJT battery pieces in the flower basket are required to be unloaded and then placed into a PECVD process jig. Because the textured silicon wafer has the textured surface of the pyramid, the textured silicon wafer is extremely easy to be damaged by physical and mechanical, and the half HJT battery piece is extremely easy to scratch and cause PL scratch when the traditional unloading device withdraws from the flower basket.

Disclosure of Invention

The utility model provides a sheet drawing device for half-sheet HJT battery sheets, which aims to solve the problem that the battery sheets are easy to scrape when the half-sheet HJT battery sheets are drawn out from a flower basket in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme that the drawing device for half HJT battery pieces comprises a drawing component, a transfer platform and a driving component, wherein the driving component is used for driving the drawing component to reciprocate along the horizontal direction and the vertical direction; the battery pack comprises a battery pack body, wherein the battery pack body comprises a handle part and a carrying part which are sequentially arranged along the horizontal direction, the battery pack can be placed on the handle part and the carrying part, the transfer platform is positioned at the left side and the right side of the battery pack body and positioned below the battery pack, a first stop block, a first support block, a micropore suction cup, a second support block and a second stop block are sequentially arranged on the handle part along the horizontal direction, the heights of the micropore suction cup are respectively lower than the first support block and the second support block, inclined planes are respectively arranged on the first stop block and the second stop block, the inclined planes of the first stop block and the second stop block are in line contact with the two side edges of the battery pack, the first support block and the second support block are in line contact with the middle of the battery pack, a third stop block, a third support block and a fourth stop block are sequentially arranged on the carrying part along the horizontal direction, the inclined planes of the third stop block and the fourth stop block are in line contact with the two side edges of the battery pack, and the middle of the third stop block and the fourth stop block are in line contact with the middle of the battery pack.

Preferably, the pumping plate body is made of aluminum alloy; the first stop block, the second stop block, the third stop block and the fourth stop block are made of PEEK; the first support block, the second support block and the third support block are all made of glass. The weight of the aluminum alloy suction piece body is lighter, but the aluminum alloy suction piece body has enough structural strength; the first stop block, the second stop block, the third stop block and the fourth stop block can reliably and stably support the battery piece, and the battery piece is ensured not to be scratched due to the fact that the battery piece is supported by line contact and made of PEEK; the first supporting block, the second supporting block and the third supporting block effectively support the middle of the battery piece, particularly effectively prevent the middle of the battery piece of the thin sheet from being concavely deformed to cause damage, and the glass is similar to the silicon wafer of the battery piece in material, so that scratches and black points cannot be generated.

Further, the first stop block, the second stop block, the third stop block and the fourth stop block are respectively fixed and arranged through screws; counter bores are formed in the hand pulling portion and the carrying portion, and the first support block, the second support block and the third support block are respectively placed in the corresponding counter bores to be fixedly arranged. The first stop block, the second stop block, the third stop block and the fourth stop block are simple and reliable in fixed structure, convenient to install and low in cost; the fixing structure of the first support block, the second support block and the third support block is simple and reliable, the installation is convenient, the size replacement is convenient, and the cost is low.

Further, one end of the handle part far away from the carrying part is provided with a wrapping layer, and the wrapping layer is made of soft materials. The battery piece or the flower basket is prevented from being damaged when the hand drawing part stretches into the flower basket to draw the battery piece.

Further, one end of the pumping part far away from the carrying part is provided with a first avoiding opening, and one end of the carrying part far away from the pumping part is provided with a second avoiding opening. The first internal structure that dodges the mouth and be used for dodging the basket of flowers, the second dodges the mouth and be used for dodging the next transmission structure of battery piece, and the overall arrangement of taking out the piece body is reasonable reliable, operates steadily.

Preferably, the driving assembly comprises a frame, an air cylinder and a screw nut structure, the air cylinder is arranged on the frame, the output end of the air cylinder is arranged towards the vertical direction, a screw rod of the screw nut structure is arranged at the output end of the air cylinder, the screw rod faces towards the horizontal direction, the screw rod is driven to rotate by a motor, and the drawing sheet body is fixedly arranged on a sliding block of the screw nut structure. The driving assembly has the advantages of simple and reliable structure, stable driving, convenient control and lower cost.

The beneficial effects are that:

1. according to the half HJT battery piece drawing device, the inclined planes of the first stop block and the second stop block are in line contact with the edges of the two sides of the battery piece, and the micro-hole sucking disc provides suction force, but the micro-hole sucking disc is not in contact with the battery piece, so that the first support block and the second support block are reliably and stably supported with the middle part of the battery piece, the battery piece is ensured to be successfully drawn from the flower basket, and the battery piece is not scratched; when the pulling-out piece body moves upwards along the vertical direction and the pulling-out part absorbs the battery piece in the flower basket, the inclined planes of the third stop block and the fourth stop block are in line contact with the two side edges of the battery piece on the transfer platform, and the third supporting block is in line contact with the middle part of the battery piece, namely the carrying part grabs the battery piece on the transfer platform, when the pulling-out part places the next battery piece on the transfer platform, the carrying part places the last battery piece on the next transmission structure of the battery piece, thereby skillfully realizing the transfer of the battery piece, having high transfer efficiency and not scratching the battery piece;

2. according to the half HJT battery piece drawing device, the first supporting block, the second supporting block and the third supporting block are arranged to support the middle part of the battery piece, so that the middle part of the battery piece of a thin piece is particularly prevented from being damaged due to concave deformation, and the drawing device can be better suitable for drawing operation of the battery piece of the thin piece;

3. the half HJT battery piece drawing device is simple and reliable in structure, ingenious in design, suitable for the existing basket drawing operation and low in cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic side view of a sheet drawer of half HJT battery sheets of the present utility model, with a transfer platform not shown;

FIG. 2 is a schematic top view of a tab assembly of the tab device of half HJT battery tab of the utility model;

FIG. 3 is a schematic side view of a tab assembly of a tab device of the half-tab HJT battery tab of the utility model;

in the figure: 1. the drawing sheet assembly comprises a drawing sheet body, 101, a drawing part, 102, a carrying part, 103, a first avoiding opening, 104, a second avoiding opening, 11, a first stop block, 12, a first supporting block, 13, a micropore suction cup, 14, a second supporting block, 15, a second stop block, 16, a third stop block, 17, a third supporting block, 18, a fourth stop block, 19, a wrapping layer, 2, a transfer platform, 3, a driving assembly, 30, a frame, 31, a cylinder, 32, a screw and nut structure, 321, a screw, 322, a slide block, 33, a motor, 4 and a battery sheet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, 2 and 3, a drawing device for half HJT battery pieces comprises a drawing assembly 1, a transfer platform 2 and a driving assembly 3, wherein the driving assembly 3 is used for driving the drawing assembly 1 to reciprocate along the horizontal direction and the vertical direction; the sheet pulling assembly 1 comprises a sheet pulling body 10, the sheet pulling body 10 comprises a pulling part 101 and a carrying part 102 which are sequentially arranged along the horizontal direction, the pulling part 101 and the carrying part 102 can be used for placing the battery sheet 4, the transfer platform 2 is positioned at the left side and the right side of the sheet pulling body 10 and below the battery sheet 4, a first stop block 11, a first support block 12, a micropore suction cup 13, a second support block 14 and a second stop block 15 are sequentially arranged on the pulling part 101 along the horizontal direction, the height of the micropore suction cup 13 is respectively lower than that of the first support block 12 and the second support block 14, inclined surfaces are respectively arranged on the first stop block 11 and the second stop block 15, the inclined surfaces of the first stop block 11 and the second stop block 15 are in line contact with the two side edges of the battery sheet 4, a third stop block 16, a third stop block 17 and a fourth stop block 18 are sequentially arranged on the carrying part 102 along the horizontal direction, the third stop block 16 and the fourth stop block 18 are also in line contact with the two sides of the battery sheet 4, and the third stop block 16 and the fourth stop block 18 are in line contact with the two sides of the battery sheet 4.

Specifically, in this embodiment, the material of the tab body 10 is an aluminum alloy material, the weight of the tab body 10 made of an aluminum alloy material is light, but the tab body has sufficient structural strength, one end of the tab portion 101, which is far away from the carrying portion 102, has a first avoiding opening 103, one end of the carrying portion 102, which is far away from the tab portion 101, has a second avoiding opening 104, one end of the tab portion 101, which is far away from the carrying portion 102, is provided with a wrapping layer 19, and the wrapping layer 19 is made of soft material; the first stop block 11, the second stop block 15, the third stop block 16 and the fourth stop block 18 are made of PEEK, the first stop block 11, the second stop block 15, the third stop block 16 and the fourth stop block 18 are respectively fixed and arranged through screws, and the first stop block 11, the second stop block 15, the third stop block 16 and the fourth stop block 18 can reliably and stably support the battery piece 4 and are in line contact support and PEEK, so that the battery piece 4 is not scratched; the materials of the first supporting block 12, the second supporting block 14 and the third supporting block 17 are all glass materials, counter bores are formed in the pumping part 101 and the carrying part 102, the first supporting block 12, the second supporting block 14 and the third supporting block 17 are respectively arranged in the corresponding counter bores in a fixed mode, the first supporting block 12, the second supporting block 14 and the third supporting block 17 effectively support the middle of the battery piece 4, particularly the middle of the battery piece 4 of a thin sheet is effectively prevented from being damaged due to concave deformation, and the glass is similar to the silicon wafer of the battery piece 4 in material, so scratches and black spots cannot be generated.

Specifically, in this embodiment, the driving assembly 3 includes a frame 30, an air cylinder 31 and a screw nut structure 32, the air cylinder 31 is disposed on the frame 30, an output end of the air cylinder 31 is disposed towards a vertical direction, a screw rod 321 of the screw nut structure 32 is disposed at an output end of the air cylinder 31, the screw rod 321 is disposed towards a horizontal direction, the screw rod 321 is driven to rotate by a motor 33, and the suction plate body 10 is fixedly disposed on a slider 322 of the screw nut structure 32.

The working principle is as follows:

after the existing flower basket for loading half HJT battery pieces 4 is loaded in place, the suction piece body 10 moves along the horizontal direction until the suction part 101 stretches into the flower basket, the suction piece body 10 moves upwards along the vertical direction until the inclined planes of the first stop block 11 and the second stop block 15 are in line contact with the two side edges of the battery pieces 4, the first support block 12 and the second support block 14 are in line contact with the middle part of the battery pieces 4, the micro-hole suction disc 13 is started again, the micro-hole suction disc 13 keeps continuous suction force, but the micro-hole suction disc 13 is not in contact with the battery pieces 4, so that the battery pieces 4 are reliably and stably attached to the first support block 12 and the second support block 14; the drawing sheet body 10 moves away from the flower basket along the horizontal direction until the drawing hand 101 brings the battery sheet 4 to be separated from the flower basket, the battery sheet 4 moves to the upper part of the transfer platform 2, the drawing sheet body 10 moves downwards along the vertical direction, and the micropore suction disc 13 is closed until the battery sheet 4 is placed on the transfer platform 2; the drawing body 10 moves along the horizontal direction to the flower basket, and at the moment, the flower basket descends by one groove position to enable the next battery piece 4 to be positioned on the drawing station, the above actions are repeated, and the next battery piece 4 is continuously placed on the transfer platform 2; when the drawer body 10 moves upwards along the vertical direction and the drawer part 101 sucks the battery piece 4 in the flower basket, the inclined planes of the third stop block 16 and the fourth stop block 18 are in line contact with the two side edges of the battery piece 4 on the transfer platform 2, and the third supporting block 17 is in line contact with the middle part of the battery piece 4, namely the carrying part 102 grabs the battery piece 4 on the transfer platform 2, when the drawer part 101 places the next battery piece 4 on the transfer platform 2, the carrying part 102 places the last battery piece 4 on the next transmission structure of the battery piece 4, and the above actions are repeated until the battery piece 4 in the flower basket is completely sucked.

Wherein, the motor 33 drives the screw rod 321 to rotate, so that the sliding block 322 drives the drawer body 10 to reciprocate along the horizontal direction; and the cylinder 31 sequentially drives the screw nut structure 32 and the drawer body 10 to reciprocate in the vertical direction.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. The utility model provides a take out piece device of half HJT battery piece which characterized in that: the device comprises a drawing piece assembly (1), a transfer platform (2) and a driving assembly (3), wherein the driving assembly (3) is used for driving the drawing piece assembly (1) to reciprocate along the horizontal direction and the vertical direction; the pulling piece assembly (1) comprises a pulling piece body (10), the pulling piece body (10) comprises a pulling hand part (101) and a carrying part (102) which are sequentially arranged along the horizontal direction, the pulling hand part (101) and the carrying part (102) can be used for placing the battery piece (4), the transfer platform (2) is positioned at the left side and the right side of the pulling piece body (10) and below the battery piece (4), a first stop block (11), a first supporting block (12), a micropore suction cup (13), a second supporting block (14) and a second stop block (15) are sequentially arranged on the pulling hand part (101) along the horizontal direction, the heights of the micropore suction cup (13) are respectively lower than the first supporting block (12) and the second supporting block (14), inclined surfaces are respectively arranged on the first stop block (11) and the second stop block (15), the inclined surfaces of the first stop block (11) and the second stop block (15) are in line contact with the two side edges of the battery piece (4), a first stop block (12), a second stop block (14) and a third stop block (16) are also arranged on the first stop block (12) and the second stop block (14) along the horizontal direction and the third stop block (16) in sequence, the inclined surfaces of the third stop block (16) and the fourth stop block (18) are in line contact with the edges of the two sides of the battery piece (4), and the third supporting block (17) is in line contact with the middle of the battery piece (4).

2. The tab pulling apparatus of half HJT battery tabs as defined in claim 1, wherein: the pumping piece body (10) is made of aluminum alloy; the first stop block (11), the second stop block (15), the third stop block (16) and the fourth stop block (18) are made of PEEK; the first support block (12), the second support block (14) and the third support block (17) are all made of glass.

3. The tab pulling apparatus of half HJT battery tabs as defined in claim 2, wherein: the first stop block (11), the second stop block (15), the third stop block (16) and the fourth stop block (18) are respectively fixed by screws; counter bores are formed in the pumping part (101) and the carrying part (102), and the first supporting block (12), the second supporting block (14) and the third supporting block (17) are respectively placed in the corresponding counter bores to be fixedly arranged.

4. The tab pulling apparatus of half HJT battery tabs as defined in claim 2, wherein: one end of the drawing part (101) far away from the carrying part (102) is provided with a wrapping layer (19), and the wrapping layer (19) is made of soft materials.

5. The tab pulling apparatus of half HJT battery tabs as defined in claim 1, wherein: one end of the drawing part (101) far away from the carrying part (102) is provided with a first avoiding opening (103), and one end of the carrying part (102) far away from the drawing part (101) is provided with a second avoiding opening (104).

6. The half HJT battery sheet drawing device according to any one of claims 1 to 5, wherein: the driving assembly (3) comprises a frame (30), an air cylinder (31) and a screw nut structure (32), wherein the air cylinder (31) is arranged on the frame (30), the output end of the air cylinder (31) is arranged towards the vertical direction, a screw rod (321) of the screw nut structure (32) is arranged at the output end of the air cylinder (31), the screw rod (321) is arranged towards the horizontal direction, the screw rod (321) is driven to rotate by a motor (33), and the suction piece body (10) is fixedly arranged on a sliding block (322) of the screw nut structure (32).