CN117239011A

CN117239011A - Cleaning and cooling device used before silicon wafer printing in solar cell preparation process

Info

Publication number: CN117239011A
Application number: CN202311473800.0A
Authority: CN
Inventors: 汪荣; 何永春
Original assignee: Zhongchenhao Intelligent Equipment Jiangsu Co ltd
Current assignee: Zhongchenhao Intelligent Equipment Jiangsu Co ltd
Priority date: 2023-11-08
Filing date: 2023-11-08
Publication date: 2023-12-15

Abstract

The invention discloses a cleaning and cooling device before silicon wafer printing in a solar cell preparation process, and particularly relates to the technical field of solar cell preparation. According to the cleaning and cooling device before silicon wafer printing in the solar cell preparation process, the cleaning parts arranged on the upper sides of the two conveying parts can clean and dissipate heat of the surface on the upper side of the silicon wafer, then the silicon wafer can be turned after the surface on one side of the silicon wafer is cleaned through the turning parts arranged between the two conveying parts and the structure connected with the upright posts, and then the cleaning parts on the conveying parts on the other side are used for cleaning the surface on the other side of the silicon wafer again, so that impurities on two printing surfaces of the silicon wafer are removed.

Description

Cleaning and cooling device used before silicon wafer printing in solar cell preparation process

Technical Field

The invention relates to the technical field of solar cell preparation, in particular to a cleaning and cooling device before silicon wafer printing in a solar cell preparation process.

Background

The preparation process of the crystalline silicon solar cell mainly comprises the following steps: cleaning, removing a damaged layer, texturing, diffusing, making a knot, etching, depositing an anti-reflection film, printing, sintering and testing a battery piece. The printing is an important process in the production process of the crystalline silicon solar cell, when the silicon wafer is conveyed to the printing process in the previous process, the temperature of the silicon wafer is higher and foreign matters are easily adhered to the surface of the silicon wafer, on one hand, if impurities exist on the surface of the silicon wafer, the screen printing plate or the silicon wafer is easily broken, on the other hand, the volatilization rate of slurry organic matters in the screen printing plate is also higher when the temperature of the silicon wafer is higher, so that the printing performance is poor, in the prior art, before the silicon wafer is printed, a fan is adopted to directly blow against the surface of the silicon wafer, the effects of cooling and dust removal are achieved, and as the silicon wafer is placed on a conveying belt, once the air quantity of the fan is regulated, the silicon wafer falls off from the conveying belt, so that the silicon wafer is broken, therefore, in the actual production process, the air quantity of the fan is weak, obviously, the surface foreign matters of the silicon wafer cannot be blown clean, and the cooling effect is general;

the invention discloses a cleaning and cooling device before silicon wafer printing in a solar cell preparation process, which comprises a first belt conveying device and a second belt conveying device, wherein a bracket is arranged between the first belt conveying device and the second belt conveying device, a platform is arranged at the top end of the bracket, a turntable is rotationally connected on the platform, a motor is fixed on the lower surface of the platform, a first cylinder and a second cylinder are symmetrically arranged on the lower surface of the turntable, rotary cylinders are respectively fixed on the extending ends of the first cylinder and the second cylinder, a supporting rod is fixed on the output end of each rotary cylinder, a plurality of suckers are fixed on the lower surface of each supporting rod, and a fan is fixed on the side of the bracket;

when the silicon wafer is transferred from the first belt conveyor to the second belt conveyor, the lower surface of the silicon wafer is rotated to 90 degrees by using the sucking disc and the rotary cylinder, and then the lower surface of the silicon wafer is cleaned and radiated by using the fan; in the process, only one surface of the silicon wafer can be cleaned by using the fan, but the air quantity blown out of the vertical silicon wafer by the fan cannot be too strong, so that the silicon wafer is prevented from being damaged, and in addition, the fan is far away from the silicon wafer, and small impurities adhered on the silicon wafer can not be cleaned.

Disclosure of Invention

The invention mainly aims to provide a cleaning and cooling device before printing of a silicon wafer in a solar cell preparation process, which can effectively solve the problem that the cleaning and cooling device before printing of the silicon wafer can not clean two printing surfaces of the silicon wafer.

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

the cleaning and cooling device before the silicon wafer printing in the solar cell preparation process comprises two supporting tables, a silicon wafer body, a mounting upright post and a matching upright post, wherein the upper ends of the two supporting tables are respectively provided with a conveying part, the upper ends of the two conveying parts are respectively provided with a cleaning part, and the rear ends of the mounting upright posts are respectively provided with a turnover part;

the turnover part comprises a rotating rod, the rotating rod is rotationally connected with the rear end of the mounting upright post, a turnover ring is fixedly arranged on the outer surface of the rotating rod, a mounting ring is fixedly arranged at the rear end of the turnover ring, two annular array clamping parts are fixedly arranged on the outer surface of the turnover ring, four annular array matching blocks are fixedly arranged at the rear end of the mounting ring, and limit posts are fixedly arranged at the rear ends of the four matching blocks.

Preferably, the cooperation stand front end upside is equipped with the cooperation axle, the cooperation axle front end is equipped with fixed plectane, cooperation axle surface rear side is fixed with the cooperation belt pulley, cooperation axle external surface is fixed with connecting rod two, connecting rod two is kept away from the one end of cooperation axle is fixed with pushes away the post, cooperation axle surface middle part is fixed with the turning block, the turning block front end seted up with spacing post matched with draw-in groove.

Preferably, the clamping component comprises two positioning plates, the two positioning plates are fixed on the outer surface of the overturning ring, two clamping columns are symmetrically fixed at one ends, close to each other, of the two positioning plates, a plurality of matching grooves are formed in one ends, far away from each other, of the two positioning plates, and supporting groove blocks are fixed on the inner cavities of the matching grooves, close to the side walls of the overturning ring, of the same side.

Preferably, the conveying component comprises a gasket and a first fixing plate, the first fixing plate is fixed on the same side at the upper end of the supporting table, the conveying table is fixed at the upper end of the first fixing plate, the gasket is fixed on the same side at the upper end of the supporting table and away from one side of the overturning component, a first motor is fixed at the upper end of the gasket, a connecting shaft is fixed at the output end of the first motor, a belt pulley is fixed on the outer surface of the connecting shaft, the connecting shaft penetrates through the first fixing plate, a reciprocating screw rod is fixed at one end, close to the overturning component, of the connecting shaft, a second fixing plate is arranged at one end, close to the overturning component, of the reciprocating screw rod, and the second fixing plate is fixedly connected with the upper end of the supporting table on the same side.

Preferably, the front side of the lower end of the conveying table is fixedly provided with a supporting transverse plate, the rear part of one side of the lower end of the conveying table, which is far away from the overturning part, is fixedly provided with a supporting column, one end of the supporting column, which is close to the overturning part, is provided with a second installation shaft, one side of the outer surface of the installation shaft, which is far away from the overturning part, is fixedly provided with a third belt pulley, one side of the outer surface of the installation shaft, which is close to the overturning part, is fixedly provided with a first upright post, the front end of the first upright post is provided with a first installation shaft, the front side of the outer surface of the first installation shaft is fixedly provided with a first bevel gear meshed with the bevel gear, the rear side of the outer surface of the first installation shaft is fixedly provided with a second belt pulley, and the outer surface of the third belt pulley is jointly wound with a transmission belt.

Preferably, a group of moving grooves are formed in the upper end of the conveying table, and two symmetrical overturning grooves are formed in one side, close to the overturning part, of the upper end of the conveying table.

Preferably, the outer surface of the reciprocating screw is provided with a connecting plate matched with a group of movable grooves, a conveying groove plate is fixed on the upper part of one end of the connecting plate, which is close to the overturning part, the lower end of the conveying groove plate is attached to the upper end of the conveying table on the same side, a group of clamping blocks are fixed on one end of the conveying groove plate, which is close to the overturning part, and the silicon wafer body is positioned in a groove at the upper end of the conveying groove plate.

Preferably, a first connecting rod is arranged at the right end of the second fixing plate and positioned at the left side, the first connecting rod penetrates through the second fixing plate and is fixedly connected with the reciprocating screw rod at the same side, and a fourth belt pulley is fixed on the outer surface of the first connecting rod.

Preferably, a vertical plate is fixed at the rear part of the right side of the upper end of the supporting table, which is positioned at the left side, a first transmission shaft is arranged at the right end of the vertical plate, a first transmission belt pulley is fixed at one side of the outer surface of the first transmission shaft, a third bevel gear is fixed at the right side of the outer surface of the first transmission shaft, an L block is fixed at the right side of the rear end of the conveying table, a second transmission shaft is arranged at the rear end of the L block in the vertical direction, a fourth bevel gear meshed with the third bevel gear is fixed at the front side of the outer surface of the second transmission shaft, a second transmission belt pulley is fixed at the rear side of the outer surface of the second transmission shaft, and a transmission belt is jointly connected with the outer surface of the matched belt pulley.

Preferably, the cleaning component comprises two symmetrical L-shaped blocks, the two L-shaped blocks are all fixed on the same side at the upper end of the conveying table, the two L-shaped blocks are all provided with a plurality of positioning columns at the lower end in the horizontal direction, two L-shaped blocks are mutually far away from one end of each L-shaped block and are jointly provided with two symmetrical output shafts, the middle part of the outer surface of each output shaft is fixedly provided with a sleeve, the outer surface of each sleeve is provided with a plurality of cleaning components, the rear side of the outer surface of each output shaft is fixedly provided with a second belt pulley, and the rear side of any outer surface of each output shaft is fixedly provided with a first belt pulley.

Preferably, two L shape piece upper end all is fixed with the riser, two the riser) is kept away from each other one end jointly is equipped with two connecting rods three, two connecting rod three surface rear side all is equipped with No. three belt pulleys, no. three belt pulleys with the homonymy No. two belt pulley external surface is connected with transmission belt, two connecting rod three surface front side all is fixed with No. four belt pulleys, two be connected with transmission belt between the No. four belt pulley external surface, two connecting rod three external surface middle part all is fixed with air supply subassembly, no. one belt pulley with belt pulley external surface is connected with transmission belt jointly.

Compared with the prior art, the invention has the following beneficial effects:

the cleaning component that this device set up through two conveying component upside can be at the in-process of transporting the silicon chip, can clean and dispel the heat to the surface of silicon chip upside, then through the structure of connecting on the upset part that sets up between two conveying components and the cooperation stand, can overturn the silicon chip after the surface cleaning of silicon chip one side, then utilize the cleaning component on the opposite side conveying component to clean silicon chip opposite side surface again, get rid of the impurity of two printing surfaces of silicon chip, reach the mesh of carrying out the cleanness to two printing surfaces of silicon chip, still can reduce the probability that the half tone was pricked, can reduce the temperature on silicon chip surface in addition, and the operation of both sides conveying component also can not hinder the efficiency that the device carried the silicon chip body.

The device can clean the silicon wafer passing through the cleaning component, thoroughly remove impurities on the surface, clean the impurities on the upper surface of the silicon wafer through the cleaning components arranged on the outer surfaces of the two sleeves, and blow away the impurities under cleaning through the air supply components arranged on the three outer surfaces of the two connecting rods, so that the air supply components rotate to blow air for the silicon wafer when the cleaning components clean the silicon wafer, thereby not only reducing the temperature of the surface of the silicon wafer, but also blowing away the impurities under cleaning; in addition, through the structure on the motor output end connecting shaft upper part and the support column, the power of the motor can be transmitted to the cleaning part, so that linkage is formed between the transmission part and the cleaning part, and resources can be saved.

The device can turn and convey the silicon wafer from the left conveying part to the right conveying part through the turnover part arranged between the two conveying parts and the structure arranged on the matched upright post, so that the aim of cleaning two sides of the silicon wafer is fulfilled, and the power on the motor I can be transmitted to the matched shaft through the mutual matching between the belt pulley IV arranged on the outer surface of the connecting rod and the transmission power part arranged on the vertical plate and the L block, so that the matched shaft drives the connecting rod II and the push post connected with the connecting rod II to push the matched block arranged on the mounting ring, the turnover ring is made to perform intermittent rotation of 90 degrees, the aim of turning the silicon wafer is fulfilled, and the turnover power source is the motor I through the linkage between the belt pulley IV and the structure on the matched upright post, so that the running cost of the device can be saved.

Drawings

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

FIG. 2 is a right side schematic view of the overall structure of the present invention;

FIG. 3 is a schematic diagram of a conveying member according to the present invention;

FIG. 4 is a schematic diagram of a conveying member according to the present invention;

FIG. 5 is a schematic diagram of a conveying member according to the present invention;

FIG. 6 is a schematic view of a riser connection structure according to the present invention;

FIG. 7 is a schematic view of a cleaning member according to the present invention;

FIG. 8 is a schematic view of a cleaning member according to a second embodiment of the present invention;

FIG. 9 is a schematic diagram of the flip part construction of the present invention;

FIG. 10 is a schematic view of a clamping member according to the present invention;

FIG. 11 is a schematic view of a mating post connection structure of the present invention;

FIG. 12 is a schematic diagram of the operational state of the present invention;

FIG. 13 is a second schematic diagram of the operational state structure of the present invention;

fig. 14 is a third schematic view of the operation state structure of the present invention.

In the figure: 1. a support table; 2. a conveying member; 20. a gasket; 21. a motor I; 210. a connecting shaft; 211. a first belt pulley; 22. a supporting cross plate; 23. a first fixing plate; 24. a reciprocating screw; 240. a connecting plate; 241. conveying the trough plate; 242. a clamping block; 25. a transfer station; 250. a moving groove; 251. a turnover groove; 26. a first upright post; 260. installing a first shaft; 261. a belt pulley II; 262. bevel gears I; 27. a support column; 270. installing a second shaft; 271. bevel gears II; 272. a belt pulley III; 28. a second fixing plate; 280. a first connecting rod; 281. a belt pulley IV; 3. installing an upright post; 4. a flipping member; 40. a rotating lever; 41. a flipping ring; 42. a clamping member; 420. a positioning plate; 421. a clamping column; 422. a mating groove; 423. a support groove block; 43. a mounting ring; 44. a mating block; 45. a limit column; 5. matching with the upright post; 51. a mating shaft; 52. matching with a belt pulley; 53. a rotating block; 530. a clamping groove; 54. a second connecting rod; 55. pushing a column; 56. fixing the circular plate; 6. a cleaning member; 60. an L-shaped block; 61. positioning columns; 62. an output shaft; 620. a sleeve; 621. a cleaning assembly; 63. a first belt pulley; 64. a second belt pulley; 65. an air supply assembly; 66. a vertical plate; 660. a third connecting rod; 661. a third belt pulley; 662. a fourth belt pulley; 7. a silicon wafer body; 8. a riser; 80. a transmission shaft I; 81. a first drive pulley; 82. bevel gears III; 83. l blocks; 84. a transmission shaft II; 85. a second transmission pulley; 86. and a bevel gear IV.

Detailed Description

The invention 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 invention easy to understand.

As shown in fig. 1-14, a cleaning and cooling device before silicon wafer printing in a solar cell preparation process comprises two supporting tables 1, a silicon wafer body 7, a mounting upright 3 and a matching upright 5, wherein the two supporting tables 1 are symmetrically arranged, the silicon wafer body 7 is a silicon wafer in the solar cell preparation process, the mounting upright 3 and the matching upright 5 are both positioned between the two supporting tables 1, the upper ends of the two supporting tables 1 are both provided with a conveying part 2, the conveying part 2 is fixedly connected with the supporting tables 1, the upper ends of the two conveying parts 2 are both provided with cleaning parts 6, the cleaning parts 6 are fixedly connected with the conveying parts 2, the silicon wafer body 7 conveyed by the conveying parts 2 is convenient to clean, the rear end of the mounting upright 3 is provided with a turnover part 4, and the turnover part 4 is rotationally connected with the mounting upright 3.

The device is provided with a cleaning part for conveying the silicon wafer body 7, as shown in fig. 3-6, specifically, the conveying part 2 comprises a gasket 20 and a first fixing plate 23, the gasket 20 is used for installing a first motor 21, the first fixing plate 23 is used for supporting a conveying table 25, the first fixing plate 23 is fixed at the upper end of the same side supporting table 1, the upper end of the first fixing plate 23 is fixedly provided with the conveying table 25, the first fixing plate 23, a second fixing plate 28 and a supporting transverse plate 22 jointly support the conveying table 25, the gasket 20 is fixed at one side of the upper end of the same side supporting table 1 far away from the turnover part 4, the upper end of the gasket 20 is fixedly provided with a first motor 21, the output end of the first motor 21 is fixedly provided with a connecting shaft 210, the connecting shaft 210 penetrates through the first fixing plate 23, the connecting shaft 210 is rotationally connected with the first fixing plate 23, the outer surface of the connecting shaft 210 is fixedly provided with a belt pulley 211, the belt pulley 211 is positioned at one side of the first fixing plate 23 far away from the turnover part 4 and is in the same plane with a belt pulley three 272, and the belt 272 is jointly wound on the outer surfaces of the belt pulley 211 and the belt pulley three;

further, the front side of the lower end of the conveying table 25 is fixed with a supporting transverse plate 22, the front end of the supporting transverse plate 22 is provided with a plurality of through holes, heat can be dissipated, the manufacturing cost of the manufacturing device is reduced, the rear part of one side, far away from the turnover part 4, of the lower end of the conveying table 25 is fixed with a supporting column 27, one end, close to the turnover part 4, of the supporting column 27 is provided with a second installation shaft 270, the second installation shaft 270 penetrates through the supporting column 27 and is rotationally connected with the supporting column 27, one side, far away from the turnover part 4, of the outer surface of the second installation shaft 270 is fixed with a third belt pulley 272, one side, close to the turnover part 4, of the outer surface of the second installation shaft 270 is fixed with a second bevel gear 271, the rear end of the conveying table 25 is fixed with a first upright post 26, the front end of the first upright post 26 is provided with an installation shaft 260, the first installation shaft 260 penetrates through the first upright post 26 and is rotationally connected with the first bevel gear 262 meshed with the second bevel gear 271, the gear 262 and the gear ratio of the second bevel gear 271 is adjustable, and the device can be applied, and the rear side of the outer surface of the installation shaft 260 is fixed with the second belt pulley 261.

The connecting shaft 210 is fixed with a reciprocating screw 24 at one end close to the turnover part 4, a second fixing plate 28 is arranged at one end of the reciprocating screw 24 close to the turnover part 4, the second fixing plate 28 is fixed between the conveying table 25 and the supporting table 1 and is used for supporting the conveying table 25, and the second fixing plate 28 is fixedly connected with the upper end of the supporting table 1 at the same side;

further, as shown in fig. 6, the outer surface of the reciprocating screw 24 is provided with a connecting plate 240 adapted to a group of moving grooves 250, a protruding block capable of being inserted into the moving grooves 250 to slide is arranged on the upper side of the connecting plate 240, the connecting plate 240 is matched with the reciprocating screw 24 to reciprocate so as to convey the silicon wafer body 7, a conveying groove plate 241 is fixed on the upper portion of one end of the connecting plate 240 close to the turnover part 4, the lower end of the conveying groove plate 241 is attached to the upper end of the conveying table 25 on the same side, the conveying groove plate 241 slides on the upper end of the conveying table 25, a group of clamping blocks 242 are fixed on one end of the conveying groove plate 241 close to the turnover part 4, the clamping blocks 242 can clamp the silicon wafer body 7, the silicon wafer body 7 is always positioned in a groove on the upper side of the conveying groove plate 241, the other conveying part 2 can reversely convey the silicon wafer body 7 after turnover, and the silicon wafer body 7 is positioned in a groove on the upper end of the conveying groove plate 241.

As shown in fig. 5, a set of moving grooves 250 are formed at the upper end of the transfer table 25, the set of moving grooves 250 are matched with the conveying groove plate 241, two symmetrical turning grooves 251 are formed at one side of the upper end of the transfer table 25, which is close to the turning member 4, the two turning grooves 251 are matched with the holding member 42, and when the holding member 42 is turned over, the turning is performed through the two turning grooves 251 and the set of moving grooves 250.

Further, a first connecting rod 280 is arranged at the right end of the second fixing plate 28 positioned at the left side, the first connecting rod 280 is rotationally connected with the second fixing plate 28, the first connecting rod 280 penetrates through the second fixing plate 28 and is fixedly connected with the reciprocating screw 24 at the same side, a fourth belt pulley 281 is fixed on the outer surface of the first connecting rod 280, and a transmission belt is jointly connected with the outer surface of the fourth belt pulley 281 and the outer surface of the first transmission belt pulley 81 so as to provide power for the first transmission belt pulley 81 and further convert the power into power for overturning the overturning part 4;

in addition, as shown in fig. 6, a riser 8 is fixed at the right rear part of the upper end of the supporting table 1 positioned at the left side, a first transmission shaft 80 is arranged at the right end of the riser 8, the first transmission shaft 80 penetrates through the riser 8 and is rotationally connected with the first transmission shaft 80, a first transmission pulley 81 is fixed at one side, close to the riser 8, of the outer surface of the first transmission shaft 80, a third bevel gear 82 is fixed at the right side of the outer surface of the first transmission shaft 80, an L block 83 is fixed at the right side of the rear end of the left transmission table 25, the position, close to the riser 8, of the L block 83, a part connected with the L block 83 is matched with a part on the riser 8, a second transmission shaft 84 is arranged at the rear end in the vertical direction of the L block 83, the second transmission shaft 84 penetrates through the L block 83 and is rotationally connected with the L block 83, a fourth bevel gear 86 meshed with the third bevel gear 82 is fixed at the front side of the outer surface of the second transmission shaft 84, the fourth bevel gear 86 and the third bevel gear 82 are adjustable in gear ratio, the use of the device can be adapted, a second transmission pulley 85 is fixed at the rear side of the outer surface of the second transmission surface of the transmission shaft 84, and the matched pulley 52 are jointly connected with a transmission belt.

The cleaning component 6 comprises two symmetrical L-shaped blocks 60, as shown in fig. 7-8, wherein the two L-shaped blocks 60 are fixed at the upper end of the conveying table 25 on the same side, the distance between the two L-shaped blocks 60 and a silicon wafer body 7 is matched, the lower horizontal ends of the two L-shaped blocks 60 are provided with a plurality of positioning columns 61, the positioning columns 61 are rotationally connected with the L-shaped blocks 60, two symmetrical output shafts 62 are jointly arranged at the ends, far away from each other, of the two L-shaped blocks 60, the two output shafts 62 penetrate through the two L-shaped blocks 60 and are rotationally connected with the L-shaped blocks 60, a sleeve 620 is fixed in the middle of the outer surfaces of the two output shafts 62, the sleeve 620 is positioned between the two L-shaped blocks 60, a plurality of cleaning assemblies 621 are arranged on the outer surfaces of the two sleeves 620, the cleaning assemblies 621 are fixedly connected with the sleeve 620, the sleeve 620 is annularly sleeved on the outer surfaces of the sleeve 620, the outer surfaces of the sleeve 620 are fine bristles for cleaning the silicon wafer body 7, a second belt pulley 64 is fixed on the rear side of the outer surfaces of the two output shafts 62, one belt pulley 63 is fixedly connected with the second belt pulley 64, and the first belt pulley 63 is fixedly connected with the second belt pulley 63 on the rear side of the second belt pulley 62;

wherein, two L shape piece 60 upper ends all are fixed with riser 66, the one end that two risers 66 kept away from each other is equipped with two connecting rod three 660 jointly, two connecting rod three 660 run through two risers 66 and rotate with two risers 66 and be connected, two connecting rod three 660 surface rear side all is equipped with No. three belt pulley 661, no. three belt pulley 661 and connecting rod three 660 fixed connection, no. three belt pulley 661 is connected with transmission belt with No. two belt pulleys 64 of homonymy outward surfaces, two connecting rod three 660 surface front sides all are fixed with No. four belt pulleys 662, be connected with transmission belt between the surfaces of two No. four belt pulleys 662, two connecting rod three 660 surface middle parts all are fixed with air supply assembly 65, air supply assembly 65 is conventional technique among the prior art, and the transmitted wind-force is not strong, avoid causing the injury to silicon chip body 7.

Further, the turning component 4 includes a turning rod 40, as shown in fig. 9, the turning rod 40 is rotationally connected with the rear end of the mounting upright 3, a turning ring 41 is fixed on the outer surface of the turning rod 40, a mounting ring 43 is fixed on the rear end of the turning ring 41, two annular-array clamping components 42 are fixed on the outer surface of the turning ring 41, the two clamping components 42 are matched with the conveying tables 25 on two sides in a horizontal state, four annular-array matching blocks 44 are fixed on the rear end of the mounting ring 43, a pushing groove matched with the pushing column 55 can be formed between any two adjacent matching blocks 44, and limit columns 45 are fixed on the rear ends of the four matching blocks 44.

As shown in fig. 10, the clamping member 42 is shown, the clamping member 42 includes two positioning plates 420, the two positioning plates 420 are all fixed on the outer surface of the tilting ring 41, two sets of clamping posts 421 are symmetrically fixed at one ends of the two positioning plates 420, which are close to each other, the clamping posts 421 are rotationally connected with the positioning plates 420, a plurality of matching grooves 422 are all provided at one ends of the two positioning plates 420, which are far away from each other, the plurality of matching grooves 422 are matched with the conveying table 25, the positioning plates 420 can pass through the inner cavities of the moving groove 250 and the two tilting grooves 251, supporting groove blocks 423 are fixed at the side walls of the inner cavities of the plurality of matching grooves 422, which are close to the tilting ring 41, of the same side, and the supporting groove blocks 423 are matched with the clamping blocks 242.

Further, as shown in fig. 11, a mating shaft 51 is disposed on the upper side of the front end of the mating upright 5, the mating shaft 51 penetrates through the mating upright 5 and is rotatably connected with the mating upright 5, a fixed circular plate 56 is disposed at the front end of the mating shaft 51, the mating shaft 51 is rotatably connected with the fixed circular plate 56, a mating belt pulley 52 is fixed on the rear side of the outer surface of the mating shaft 51, the fixed circular plate 56 is fixedly connected with the rear end of the conveying table 25 on the same side, a connecting rod two 54 is fixed on the outer surface of the mating shaft 51, a pushing post 55 is fixed at one end of the connecting rod two 54 far away from the mating shaft 51, a rotating block 53 is fixed in the middle of the outer surface of the mating shaft 51, and a clamping groove 530 matched with the limiting post 45 is formed in the front end of the rotating block 53.

It should be noted that, the motor 21, the reciprocating screw 24, the cleaning assembly 621, the air supply assembly 65, and the silicon wafer body 7 are all conventional techniques in the prior art, and the installation manner and method are also conventional techniques, which are not described in detail.

Specific implementation of this embodiment; when the device is used, firstly, a sucker and a mechanical arm in the prior art are used for conveying a silicon wafer body 7 to the inner cavity of the upper end of a conveying groove plate 241 on the left side of the device, then a motor 21 on the left side is started, a reciprocating screw 24 is driven by the motor 21 to rotate, a connecting plate 240 connected with the reciprocating screw 24 moves towards the direction of a turnover part 4 on the outer surface of the reciprocating screw 24, the silicon wafer body 7 is in the inner cavity of the conveying groove plate 241, one end, close to the turnover part 4, of the conveying groove plate 241 is blocked by a group of clamping blocks 242, the silicon wafer body 7 is prevented from being separated from the conveying groove plate 241, and then the silicon wafer body 7 on the conveying groove plate 241 is moved to the position of a cleaning part 6;

the outer surface of the connecting shaft 210 fixed at the output end of the first motor 21 is fixed with a first belt pulley 211, the outer surfaces of the first belt pulley 211 and a third belt pulley 272 are connected with a transmission belt, under the action of the transmission belt, a second bevel gear 271 which is also fixed on the outer surface of the second mounting shaft 270 with the third belt pulley 272 rotates, a first bevel gear 262 meshed with the second bevel gear 271 rotates, thereby driving a second belt pulley 261 which is fixed on the outer surface of the first mounting shaft 260 to rotate, and the outer surfaces of the second belt pulley 261 and the first belt pulley 63 are jointly connected with the transmission belt, so that power can be transmitted to the cleaning part 6;

then under the action of a belt transmission system, when the conveying groove plate 241 carries the silicon wafer body 7 to pass through the cleaning component 6, the first belt pulley 63 rotates to enable the output shaft 62 connected with the conveying groove plate to rotate, a transmission belt is connected between the second belt pulley 64 fixed on the outer surface of the output shaft 62 and the third belt pulley 661 fixed on the outer surface of the same-side connecting rod III 660, and the transmission belt is connected between the two fourth belt pulleys 662 fixed on the front side of the outer surface of the two connecting rod III 660, so that under the drive of the first belt pulley 63, the two output shaft 62 and the two connecting rod III 660 simultaneously rotate, the sleeve 620 is fixed in the middle of the outer surface of the two fourth belt pulleys 662, a plurality of cleaning assemblies 621 on the outer surface of the sleeve 620 clean the upper surface of the passing silicon wafer body 7 to remove dust and impurities, in addition, the air supply assembly 65 in the middle of the outer surface of the two connecting rod III 660 rotates along with the connecting rod III 660 to supply air to the passing through the silicon wafer body 7 to cool the silicon wafer body 7, and dust cleaned by the cleaning assemblies 621 can also be cleaned;

then the conveying groove plate 241 moves to the edge of the conveying table 25 and enters between two positioning plates 420, a first connecting rod 280 is fixed at one end of the conveying groove plate 241 far away from the first motor 21, a fourth belt pulley 281 is fixed on the outer surface of the first connecting rod 280, a transmission belt is connected between the fourth belt pulley 281 and the first transmission belt pulley 81, under the action of the belt, a third bevel gear 82 which is meshed with the first transmission belt pulley 81 rotates, then the third bevel gear 82 drives a fourth bevel gear 86 which is meshed with the third bevel gear 86 to rotate, the fourth bevel gear 86 rotates, a second transmission belt pulley 85 which is meshed with the fourth bevel gear 86 rotates, the second transmission belt pulley 85 rotates the matched belt pulley 52 through the transmission belt, the matched belt pulley 52 rotates to enable the matched belt pulley 52 to rotate, a second connecting rod 54 which is connected with the outer surface of the matched shaft 51 and a push post 55 which is fixed away from the matched shaft 51 also rotate along with the matched shaft 51, a push groove cavity formed between any two adjacent matched blocks 44, the push post 55 rotates, the matched blocks 44 also rotates, then the turnover ring 41 rotates, the conveying belt 41 rotates, the matched with the second positioning plate 420 rotates, and the positioning plate 420 rotates when the conveying groove plate 241 rotates, the two positioning plates 25 rotates, and the positioning plates 420 rotate, and the positioning plates 250 rotate;

the pushing post 55 pushes the matching block 44 to rotate the turning ring 41 by 90 degrees, so that the clamping part 42 drives the silicon wafer body 7 to rotate by 90 degrees, the silicon wafer body 7 just contacts the supporting groove block 423, the turning ring 41 rotates by 90 degrees and then stays for a period of time, the rotating block 53 just rotates to the outer surface of the limiting post 45, then passes through the lower limiting post 45, when the rotating block 53 leaves from the lower limiting post 45, the pushing post 55 continues to push the matching block 44 to rotate the clamping part 42 to the other conveying table 25, when the clamping part 42 rotates again by 90 degrees to be matched with the upper end of the other conveying table 25, the silicon wafer body 7 is conveyed to the upper end of the other conveying groove plate 241, then the motor 21 on the right side is started, the reciprocating screw 24 drives the connecting plate 240 and the conveying groove plate 241 to the right side, then passes through the cleaning part 6 on the right side, cleans and dissipates the upper surface of the turned silicon wafer body 7, and then is conveyed to the printing device from the conveying groove plate 241 by the sucking disc and the mechanical arm.

It should be noted that, when the device starts to be used, the two clamping members 42 are in a vertical state, as shown in fig. 12, when the silicon wafer body 7 is conveyed to the groove at the upper end of the left conveying trough plate 241 and starts to move, the two clamping members 42 also start to rotate under the action of the pushing posts 55 on the matching block 44, when the two clamping members 42 rotate 90 degrees, the lower clamping member 42 rotates to be matched with the left conveying table 25, the upper clamping member 42 rotates to be matched with the right conveying table 25, and at this time, the conveying trough plate 241 brings the silicon wafer body 7 to pass through the cleaning member 6 and just reach the position of the lower clamping member 42 at the upper end of the left conveying table 25, as shown in fig. 13;

then, the conveying trough plate 241 is moved further to enter between the two positioning plates 420 with the silicon wafer body 7, then the rotation of the rotating block 53 is finished, the two clamping members 42 are about to rotate again, at this time, the left conveying trough plate 241 is about to move in the opposite direction, the rotation of the clamping member 42 just starting to be positioned at the lower side clamps the silicon wafer body 7 on the left conveying trough plate 241 between the two positioning plates 420, and the silicon wafer body 420 starts to turn over with the rotation, when the lower clamping member 42 turns over 90 degrees with the silicon wafer body 7, the left conveying trough plate 241 is also moved to the left side as shown in fig. 14,

then the two clamping parts 42 are rotated by 90 degrees again, the lower clamping part 42 is rotated to the position of the right conveying table 25, the silicon wafer body 7 is just placed in the inner cavity of the groove at the upper end of the right conveying groove plate 241, then the right motor 21 is started to enable the conveying groove plate 241 to move to the right, and then the cleaning part 6 is cleaned and then conveyed to the next processing device; then when the right conveying trough plate 241 moves to the right, the inner cavity of the upper side trough of the left conveying trough plate 241 is conveyed with the silicon wafer body 7, and the silicon wafer body 7 starts to move to the left, so that the surface of the silicon wafer body 7 can be always conveyed and treated.

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

Claims

1. The utility model provides a clean heat sink before silicon chip printing in solar wafer preparation technology, includes two supporting bench (1), a silicon chip body (7), a mounting column (3) and a cooperation stand (5), its characterized in that: the upper ends of the two supporting tables (1) are respectively provided with a conveying component (2), the upper ends of the two conveying components (2) are respectively provided with a cleaning component (6), and the rear ends of the mounting upright posts (3) are respectively provided with a turnover component (4);

the turnover part (4) comprises a rotating rod (40), the rotating rod (40) is rotationally connected with the rear end of the installation upright post (3), a turnover ring (41) is fixed on the outer surface of the rotating rod (40), a mounting ring (43) is fixed at the rear end of the turnover ring (41), two annular-array clamping parts (42) are fixed on the outer surface of the turnover ring (41), four annular-array matching blocks (44) are fixed at the rear end of the mounting ring (43), and limit posts (45) are fixed at the rear ends of the four matching blocks (44);

the utility model discloses a cooperation stand, cooperation stand (5) front end upside is equipped with cooperation axle (51), cooperation axle (51) front end is equipped with fixed plectane (56), cooperation axle (51) surface rear side is fixed with cooperation belt pulley (52), cooperation axle (51) external surface fixation has connecting rod two (54), connecting rod two (54) are kept away from the one end of cooperation axle (51) is fixed with pushes away post (55), cooperation axle (51) surface middle part is fixed with rotor block (53), rotor block (53) front end seted up with spacing post (45) matched with draw-in groove (530).

2. The cleaning and cooling device before silicon wafer printing in the solar cell preparation process according to claim 1, wherein the cleaning and cooling device is characterized in that: the clamping component (42) comprises two positioning plates (420), the two positioning plates (420) are fixed on the outer surface of the overturning ring (41), two clamping columns (421) are symmetrically fixed at one ends, close to each other, of the two positioning plates (420), a plurality of matching grooves (422) are formed in one ends, far away from each other, of the two positioning plates (420), and supporting groove blocks (423) are fixed on the inner cavities of the matching grooves (422) close to the side walls of the overturning ring (41).

3. The cleaning and cooling device before silicon wafer printing in the solar cell preparation process according to claim 1, wherein the cleaning and cooling device is characterized in that: the conveying component (2) comprises a gasket (20) and a first fixing plate (23), the first fixing plate (23) is fixed on the same side at the upper end of the supporting table (1), the upper end of the first fixing plate (23) is fixed with a conveying table (25), the gasket (20) is fixed on the same side at the upper end of the supporting table (1) and away from one side of the turnover component (4), a first motor (21) is fixed at the upper end of the gasket (20), a connecting shaft (210) is fixed at the output end of the first motor (21), a first belt pulley (211) is fixed on the outer surface of the connecting shaft (210), the connecting shaft (210) penetrates through the first fixing plate (23), one end, close to the turnover component (4), of the connecting shaft (210) is fixed with a reciprocating screw (24), one end, close to the turnover component (4), of the reciprocating screw (24) is provided with a second fixing plate (28), and the same side at the upper end of the supporting table (1).

4. A cleaning and cooling device before printing of a silicon wafer in a solar cell preparation process according to claim 3, which is characterized in that: the conveying platform (25) lower extreme front side is fixed with and supports diaphragm (22), conveying platform (25) lower extreme is kept away from one side rear portion of turning part (4) is fixed with support column (27), support column (27) be close to one end of turning part (4) is equipped with installation axle two (270), installation axle two (270) surface is kept away from one side of turning part (4) is fixed with belt pulley three (272), installation axle two (270) surface is close to one side of turning part (4) is fixed with bevel gear two (271), conveying platform (25) rear end is fixed with stand one (26), stand one (26) front end is equipped with installation axle one (260), installation axle one (260) surface front side be fixed with bevel gear one (262) that bevel gear two (271) meshed, installation axle one (260) surface rear side is fixed with belt pulley two (261), belt pulley one (211) with belt pulley three (272) surface twines jointly and has the transmission belt.

5. The cleaning and cooling device before silicon wafer printing in the solar cell preparation process according to claim 4, wherein the cleaning and cooling device is characterized in that: a group of moving grooves (250) are formed in the upper end of the conveying table (25), and two symmetrical overturning grooves (251) are formed in one side, close to the overturning part (4), of the upper end of the conveying table (25).

6. The cleaning and cooling device before silicon wafer printing in the solar cell preparation process according to claim 5, wherein the cleaning and cooling device is characterized in that: the reciprocating screw (24) surface be equipped with a set of connecting plate (240) of remove groove (250) looks adaptation, connecting plate (240) are close to one end upper portion of upset part (4) is fixed with and carries frid (241), carry frid (241) lower extreme and homonymy conveying platform (25) upper end laminating mutually, carry frid (241) to be close to one end of upset part (4) is fixed with a set of screens piece (242), silicon chip body (7) are located carry frid (241) upper end recess.

7. The cleaning and cooling device before silicon wafer printing in the solar cell preparation process according to claim 6, wherein the cleaning and cooling device is characterized in that: the right end of the fixing plate II (28) positioned at the left side is provided with a connecting rod I (280), the connecting rod I (280) penetrates through the fixing plate II (28) and is fixedly connected with the reciprocating screw rod (24) at the same side, and the outer surface of the connecting rod I (280) is fixedly provided with a belt pulley IV (281).

8. A cleaning and cooling device before printing of a silicon wafer in a solar cell preparation process according to claim 3, which is characterized in that: the right rear part of the upper end of the supporting table (1) positioned on the left side is fixedly provided with a vertical plate (8), the right end of the vertical plate (8) is provided with a first transmission shaft (80), the outer surface of the first transmission shaft (80) is close to one side of the vertical plate (8) and is fixedly provided with a first transmission belt pulley (81), the right side of the outer surface of the first transmission shaft (80) is fixedly provided with a third bevel gear (82), the left side is positioned on the right side of the rear end of the transmission table (25), the right side of the rear end of the L block (83) is fixedly provided with a second transmission shaft (84), the front side of the outer surface of the second transmission shaft (84) is fixedly provided with a fourth bevel gear (86) meshed with the third bevel gear (82), and the rear side of the outer surface of the second transmission shaft (84) is fixedly provided with a second transmission belt pulley (85), and the outer surfaces of the second transmission belt pulley (85) are jointly connected with a transmission belt.

9. The cleaning and cooling device before silicon wafer printing in the solar cell preparation process according to claim 4, wherein the cleaning and cooling device is characterized in that: cleaning element (6) are including two symmetrical L shape piece (60), two L shape piece (60) all are fixed in the homonymy conveying platform (25) upper end, two L shape piece (60) horizontal direction lower extreme all is equipped with a plurality of reference columns (61), two L shape piece (60) one end that keeps away from each other is equipped with two symmetrical output shaft (62) jointly, two output shaft (62) surface middle part all is fixed with sleeve pipe (620), two sleeve pipe (620) surface all is equipped with a plurality of cleaning element (621), two output shaft (62) surface rear side all is fixed with No. two belt pulleys (64), two arbitrary surface rear side is fixed with belt pulley (63) in output shaft (62).

10. The cleaning and cooling device before silicon wafer printing in the solar cell preparation process according to claim 9, wherein the cleaning and cooling device is characterized in that: two L shape piece (60) upper end all is fixed with riser (66), two riser (66)) one end that keeps away from each other is equipped with two connecting rod three (660) jointly, two connecting rod three (660) surface rear side all is equipped with No. three belt pulley (661), no. three belt pulley (661) with the homonymy No. two belt pulley (64) surface is connected with transmission belt, two connecting rod three (660) surface front side all is fixed with No. four belt pulleys (662), two be connected with transmission belt between No. four belt pulley (662) surface, two connecting rod three (660) surface middle part all is fixed with air supply subassembly (65), no. one belt pulley (63) with No. two belt pulley (261) surface are connected with transmission belt jointly.