CN220635614U

CN220635614U - Dust collector before heterojunction battery piece screen printing

Info

Publication number: CN220635614U
Application number: CN202322240125.9U
Authority: CN
Inventors: 蔡浩
Original assignee: Zhongchenhao Intelligent Equipment Jiangsu Co ltd
Current assignee: Zhongchenhao Intelligent Equipment Jiangsu Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-03-22
Anticipated expiration: 2033-08-21

Abstract

The utility model discloses a dust removing device before screen printing of heterojunction battery pieces, and particularly relates to the technical field of dust removing devices. According to the dust removing device before screen printing of the heterojunction battery piece, the filter screen at the rear end of the dust collecting box can filter blown nitrogen to completely intercept dust, and then workers can uniformly clean the dust in the dust collecting box, so that the total amount of dust in the device is reduced, the cleaned dust can be reduced to fall onto the outer surface of the battery piece again, the production quality of the battery piece is influenced, the production quality is improved, and the practicability and universality of the device are also improved.

Description

Dust collector before heterojunction battery piece screen printing

Technical Field

The utility model relates to the technical field of dust removal devices, in particular to a dust removal device before screen printing of heterojunction battery plates.

Background

SHJ cell, silicon heterojunction solar cell, abbreviated as heterojunction cell, currently the solar heterojunction cell industry faces a problem: the heterojunction solar cell has high series resistance and low efficiency, and the formation of good ohmic contact is an important link in the production of heterojunction solar cells, an important process in the production of the cell is screen printing, and the cell is exposed to air before the process, so that even if the operation is performed in a dust-free working room with high requirements, fine dust particles are inevitably suspended in the air, the dust particles easily fall on the cell, and the phenomenon of poor ohmic contact effect occurs after the screen printing of the cell adhered with the dust particles.

The Chinese patent document CN202725555U discloses a dust removing device before screen printing of heterojunction battery plates, which comprises a slide platform, a track and a ventilation pipe, wherein a plurality of through holes are distributed on the surface of the slide platform; the track is arranged above the slide glass platform and parallel to the surface of the slide glass platform, the length of the track is longer than that of the slide glass platform, the ventilation pipe is arranged on the track and can move along the track, the length of the ventilation pipe is longer than that of the slide glass platform, the ventilation pipe is provided with a longitudinal air outlet, the slide glass platform carries the battery piece, dust removing gas is blown to the surface of the battery piece placed on the slide glass platform through the air outlet of the ventilating duct, and the ventilating duct runs along the track, so that the whole heterojunction battery piece can be blown through to achieve the purpose of dust removing; however, the following drawbacks remain in practice:

the device in the above document is not provided with a dust collecting structure although the dust on the battery piece is blown away, so that the battery piece blown by the dust blowing gas can fall on the dust again, and the dust cannot be collected, so that the dust can accumulate more and more on the device over time, and the production quality of products is easily affected.

Disclosure of Invention

The utility model mainly aims to provide a dust removing device before screen printing of heterojunction battery pieces, which can effectively solve the problem that dust cannot be collected.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a dust collector before heterojunction battery piece screen printing, includes the bottom plate, the anterior fixedly connected with support column of bottom plate upper end one, support column one upper end fixedly connected with motor, the anterior fixedly connected with fixed knot of bottom plate upper end constructs, fixed knot constructs upper portion fixedly connected with dust collection box, the anterior fixedly connected with nitrogen gas dust removal structure of bottom plate upper end, bottom plate upper end middle part fixedly connected with conveying structure, conveying structure upper portion adsorbs and is connected with two battery pieces.

Preferably, the fixing structure comprises a support column II, a groove I is formed in the middle of the upper end of the support column II, a sliding connection column is slidably connected to the inner surface of the groove I, the upper end of the sliding connection column is fixedly connected with the lower end of the dust collection box, and a limiting structure is fixedly connected to the front end and the right end of the support column II.

Preferably, the limit structure comprises a first baffle, the rear part of the left end of the first baffle is fixedly connected with the front part of the right end of the second support column, a second groove is formed in the front part of the upper end of the first baffle, a transverse plate is slidably connected to the inner surface of the second groove, the front end of the transverse plate is rotationally connected with a first rotating shaft which penetrates through the front end of the transverse plate and extends to the rear part of the transverse plate, and the rear end of the first rotating shaft is fixedly connected with the front end of the second support column.

Preferably, a filter screen is arranged at the front end of the dust collection box.

Preferably, the nitrogen dust removing structure comprises a nitrogen tank, the lower end of the nitrogen tank is fixedly connected with the upper end of the bottom plate, the front part of the surface of the nitrogen tank is fixedly connected with a gas valve which penetrates through the surface of the nitrogen tank and extends to the inner cavity of the nitrogen tank, the front end of the surface of the gas valve is fixedly connected with an output pipe, the front end of the gas valve penetrates through the rear end of the output pipe and the inner cavity of the gas valve is communicated with the inner cavity of the output pipe, the lower end of the output pipe is fixedly connected with a third support column, and the lower end of the third support column is fixedly connected with the upper end of the bottom plate.

Preferably, the conveying structure comprises four first supporting plates, two first opposite supporting plates located on the right side and two first opposite supporting plates located on the left side are respectively connected with a second rotating shaft in a rotating mode, two outer surfaces of the rotating shafts are connected with conveying belts in a winding mode, two front ends of the rotating shafts located on the left side are fixedly connected with output ends of motors, a plurality of suckers are fixedly connected to the outer surfaces of the conveying belts, the upper ends of the suckers on the same side are connected with the lower ends of battery pieces on the same side in an adsorption mode, and the lower ends of the supporting plates are connected with the upper ends of the bottom plates in a fixing mode.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, nitrogen in the inner cavity of the nitrogen tank can be pumped out through the air valve, then the battery piece adsorbed on the sucker is blown through the output pipe, dust on the surface of the battery piece can be completely blown away, the blown dust flows into the inner cavity of the dust collecting box along with the nitrogen, the blown nitrogen can be filtered through the filter screen at the rear end of the dust collecting box, the dust is completely intercepted, then a worker can slide the dust collecting box and the sliding connection column out of the inner surface of the groove I to uniformly clean, so that the total amount of dust in the device is reduced, the dust after cleaning can be reduced to fall onto the outer surface of the battery piece again, the influence on the production quality of the battery piece is caused, the production quality is improved, and the practicability and universality of the device are also improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a dust collecting apparatus according to the present utility model;

FIG. 3 is a schematic diagram of a filter box according to the present utility model;

FIG. 4 is a schematic diagram of a nitrogen dust removal structure of the present utility model;

fig. 5 is a schematic view of a fixed transmission structure according to the present utility model.

In the figure: 1. a bottom plate; 2. a first support column; 3. a motor; 4. a fixed structure; 41. a second support column; 42. a groove I; 43. a sliding connection column; 44. a limit structure; 441. a first baffle; 442. a second groove; 443. a cross plate; 444. a first rotating shaft; 5. a dust collection box; 6. a nitrogen dust removing structure; 61. a nitrogen tank; 62. an air valve; 63. an output pipe; 64. a third support column; 7. a battery sheet; 8. a transfer structure; 81. a first supporting plate; 82. a second rotating shaft; 83. a conveyor belt; 84. and a sucking disc.

Description of the embodiments

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-5, a dust collector before heterojunction battery piece screen printing, including bottom plate 1, can provide the supporting role for the device, bottom plate 1 upper end front portion fixedly connected with support column one 2, support column one 2 upper end fixedly connected with motor 3, for conveying structure 8 operation provides the power supply, bottom plate 1 upper end front portion fixedly connected with fixed knot constructs 4, be convenient for the staff dismantles dust collection box 5, then carry out unified processing to the dust that dust collection box 5 collected, fixed knot constructs 4 upper portion fixedly connected with dust collection box 5, can filter the nitrogen gas that carries, collect the dust in the nitrogen gas, bottom plate 1 upper end rear portion fixedly connected with nitrogen gas dust removal structure 6, can blow off battery piece 7, blow off the dust on the surface of battery piece 7, bottom plate 1 upper end middle part fixedly connected with conveying structure 8, can convey battery piece 7, let nitrogen gas dust removal structure 6 carry out the dust removal to battery piece 7, conveying structure 8 upper portion adsorbs and is connected with two battery pieces 7, adsorb battery piece 7 through conveying structure 8, can let the dust removal structure 6 carry out the surface of battery piece on the battery piece 7, the surface of giving full name to the battery piece 7, the dust on the surface of the battery piece 7.

In order to facilitate the unified treatment of collected dust by workers, as shown in fig. 2 and 3, the fixing structure 4 comprises a second support column 41, a first groove 42 is formed in the middle of the upper end of the second support column 41, a sliding connection column 43 is slidably connected to the inner surface of the first groove 42, the upper end of the sliding connection column 43 is fixedly connected with the lower end of the dust collection box 5, and a limiting structure 44 is fixedly connected to the front end and the right end of the second support column 41.

The limiting structure 44 comprises a first baffle 441, the rear part of the left end of the first baffle 441 is fixedly connected with the front part of the right end of the second support column 41, a second groove 442 is formed in the front part of the upper end of the first baffle 441, a transverse plate 443 is slidably connected to the inner surface of the second groove 442, a first rotating shaft 444 penetrating through the front end of the transverse plate 443 and extending to the rear part of the transverse plate 443 is rotatably connected to the front end of the transverse plate 443, and the rear end of the first rotating shaft 444 is fixedly connected with the front end of the second support column 41.

The front end of the dust collection box 5 is provided with a filter screen.

As can be seen from the above, when a worker needs to clean the dust in the dust collection box 5, the transverse plate 443 rotates through the first rotation shaft 444, so that the position limitation of the lower portion of the sliding connection post 43 is released by the transverse plate 443, then the worker holds the handle at the upper end of the dust collection box 5 and applies forward force to drive the dust collection box 5 and the sliding connection post 43 to slide out of the inner surface of the first groove 42 together, then the dust in the dust collection box 5 is cleaned uniformly, the outer sliding surface of the sliding connection post 43 slides to the inner surface of the first groove 42 after the dust in the inner cavity of the dust collection box 5 is cleaned, the sliding connection post 43 is reset together with the dust collection box 5, and then the transverse plate 443 rotates through the first rotation shaft 444 to reset, so that the position limitation of the sliding connection post 43 is performed.

In order to clean dust on the outer surface of the battery piece 7 by blowing, as shown in fig. 4 and 5, the nitrogen dust removing structure 6 comprises a nitrogen tank 61, the lower end of the nitrogen tank 61 is fixedly connected with the upper end of the bottom plate 1, a gas valve 62 extending to the inner cavity of the nitrogen tank 61 through the outer surface of the nitrogen tank 61 is fixedly connected to the front part of the outer surface of the nitrogen tank 61, an output pipe 63 is fixedly connected to the front end of the outer surface of the gas valve 62, the front end of the gas valve 62 penetrates through the rear end of the output pipe 63 and the inner cavity of the gas valve 62 is communicated with the inner cavity of the output pipe 63, a third support column 64 is fixedly connected to the lower end of the output pipe 63, and the lower end of the third support column 64 is fixedly connected with the upper end of the bottom plate 1.

The conveying structure 8 comprises four first support plates 81, two first support plates 81 opposite faces located on the right side and two first support plates 81 opposite faces located on the left side are respectively connected with a second rotation shaft 82 in a rotating mode, conveying belts 83 are wound on the outer surfaces of the two second rotation shafts 82 in a winding mode, the front ends of the two rotation shafts 82 located on the left side are fixedly connected with the output ends of the motors 3, the outer surfaces of the conveying belts 83 are fixedly connected with a plurality of suckers 84, the upper ends of the four suckers 84 on the same side are connected with the lower ends of the battery pieces 7 on the same side in an adsorption mode, and the lower ends of the four first support plates 81 are connected with the upper ends of the base plate 1 in a fixed mode.

From the above, when the staff places the battery piece 7 on the left side of the conveyor belt 83, the upper ends of the four suckers 84 on the same side can jointly adsorb and fix the battery piece 7, then the output end of the motor 3 rotates to drive the second rotating shaft 82 on the left side to rotate, so that the whole conveyor belt 83 can be driven to move, when the conveyor belt 83 moves, the other second rotating shaft 82 is driven to rotate, the conveyor belt 83 drives the plurality of suckers 84 to circularly rotate, the suckers 84 are driven by the conveyor belt 83 to move to the front end position of the output pipe 63, then the air valve 62 can extract nitrogen in the inner cavity of the nitrogen tank 61, the outer surface of the battery piece 7 on the front side is blown and dedusted through the inner cavity of the output pipe 63, dust on the outer surface of the battery piece 7 can be blown into the inner cavity of the dust collecting box 5 under the blowing of the nitrogen, then the blown nitrogen is filtered by the filter screen at the front end of the dust collecting box 5, and the dust in the nitrogen can be filtered.

It should be noted that, the specific installation method of the motor 3, the connection method of the circuit and the control method of the utility model are all conventional designs, and the utility model is not described in detail.

The working principle of the utility model is as follows: when the dust on the outer surface of the battery piece 7 needs to be cleaned, a worker can place the battery piece 7 at the upper ends of the four suckers 84 positioned on the right side, the battery piece 7 is adsorbed and fixed by the four suckers 84, the damage to the battery piece 7 caused by blowing away or blowing is avoided, then the rotation shaft 82 positioned on the left side is driven to rotate under the rotation action of the output end of the motor 3, the rotation shaft 82 drives the conveying belt 83 to move, the conveying belt 83 drives the other rotation shaft 82 to rotate, the suckers 84 positioned on the outer surface of the conveying belt 83 circularly move, the battery piece 7 can be moved to the front end position of the output pipe 63 under the movement of the conveying belt 83, at this time, the air valve 62 can pump nitrogen in the inner cavity of the nitrogen gas tank 61, the battery piece 7 positioned on the front side of the output pipe 63 can be blown to the inner cavity of the dust collection box 5 through the output pipe 63, then the filter and collection of the dust in the nitrogen gas can be filtered and collected under the action of the filter screen positioned on the front end of the dust collection box 5, the dust collection box 5 can be prevented from falling on the outer surface of the battery piece 7 again, the dust collection box 43 can be restored to the inner cavity of the dust collection box 43 when the dust collection box is connected with the inner cavity 43 and the dust collection box 43 is restored by sliding to the sliding column 43, the sliding column 43 is closed, the dust collection column 43 can be connected with the sliding column 43 and the column 43 can be opened, and the dust collection column 43 can be slid to the column 43 can be slid and slid to the position of the column 43. The battery plate 7 is then dust cleaned.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a dust collector before heterojunction battery piece screen printing, includes bottom plate (1), its characterized in that: the novel dust collector is characterized in that a first support column (2) is fixedly connected to the front portion of the upper end of the bottom plate (1), a motor (3) is fixedly connected to the upper end of the first support column (2), a fixing structure (4) is fixedly connected to the front portion of the upper end of the bottom plate (1), a dust collection box (5) is fixedly connected to the upper portion of the fixing structure (4), a nitrogen dust collection structure (6) is fixedly connected to the rear portion of the upper end of the bottom plate (1), a conveying structure (8) is fixedly connected to the middle portion of the upper end of the bottom plate (1), and two battery pieces (7) are adsorbed and connected to the upper portion of the conveying structure (8).

2. The pre-screen printing dust removal device for heterojunction cell as claimed in claim 1, wherein: the fixing structure (4) comprises a support column II (41), a groove I (42) is formed in the middle of the upper end of the support column II (41), a sliding connection column (43) is slidably connected to the inner surface of the groove I (42), the upper end of the sliding connection column (43) is fixedly connected with the lower end of the dust collection box (5), and a limiting structure (44) is fixedly connected to the front end and the right end of the support column II (41).

3. The pre-screen printing dust removal device for heterojunction cell as claimed in claim 2, wherein: the limiting structure (44) comprises a first baffle (441), the rear part of the left end of the first baffle (441) is fixedly connected with the front part of the right end of a second support column (41), a second groove (442) is formed in the front part of the upper end of the first baffle (441), a transverse plate (443) is slidably connected to the inner surface of the second groove (442), the front end of the transverse plate (443) is rotationally connected with a first rotating shaft (444) extending to the rear part of the transverse plate (443) through the front end of the transverse plate (443), and the rear end of the first rotating shaft (444) is fixedly connected with the front end of the second support column (41).

4. The pre-screen printing dust removal device for heterojunction cell as claimed in claim 1, wherein: the front end of the dust collection box (5) is provided with a filter screen.

5. The pre-screen printing dust removal device for heterojunction cell as claimed in claim 1, wherein: the nitrogen dust removal structure (6) comprises a nitrogen tank (61), the lower end of the nitrogen tank (61) is fixedly connected with the upper end of the bottom plate (1), an air valve (62) penetrating through the outer surface of the nitrogen tank (61) and extending to the inner cavity of the nitrogen tank (61) is fixedly connected with the front portion of the outer surface of the nitrogen tank (61), an output pipe (63) is fixedly connected with the front end of the outer surface of the air valve (62), the front end of the air valve (62) penetrates through the rear end of the output pipe (63) and the inner cavity of the air valve (62) and is communicated with the inner cavity of the output pipe (63), a third support column (64) is fixedly connected with the lower end of the output pipe (63), and the lower end of the third support column (64) is fixedly connected with the upper end of the bottom plate (1).

6. The pre-screen printing dust removal device for heterojunction cell as claimed in claim 1, wherein: the conveying structure (8) comprises four first supporting plates (81), two first supporting plates (81) opposite faces located on the right side and two first supporting plates (81) opposite faces located on the left side are respectively connected with a second rotating shaft (82) in a rotating mode, two outer surfaces of the second rotating shafts (82) are wound together and connected with a conveying belt (83), the front ends of the second rotating shafts (82) located on the left side are fixedly connected with the output ends of the motors (3), the outer surfaces of the conveying belt (83) are fixedly connected with a plurality of suckers (84), the upper ends of the four suckers (84) on the same side are connected with the lower ends of battery pieces (7) on the same side in an absorbing mode, and the lower ends of the four first supporting plates (81) are fixedly connected with the upper ends of the base plate (1).