CN211637427U

CN211637427U - Silicon chip belt cleaning device is used in photovoltaic module production

Info

Publication number: CN211637427U
Application number: CN201921563854.5U
Authority: CN
Inventors: 高建玲
Original assignee: Individual
Current assignee: Liaoning Sunshine Energy Power Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-10-09
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a silicon chip belt cleaning device is used in photovoltaic module production relates to photovoltaic module production technical field, and it includes the supporting leg, washs case, notch and collects the device of taking, the notch has all been seted up to the washing bottom half inner wall left and right sides, and is provided with in two notches and collects the device of taking, and collects the upside of the device of taking and be provided with two air jet system. This silicon chip belt cleaning device is used in photovoltaic module production, water spray through water pumper one and water jet equipment washes the silicon chip, simultaneously through cleaning roller one and cleaning roller two antiport, and then the extrusion washs the silicon chip that falls on cleaning roller one and cleaning roller two, the purpose of dynamic cleaning silicon chip has been reached, make the silicon chip through cleaning roller one and cleaning roller two antiport extrusion washing back, with the abluent cleaner of silicon chip, the process that has reduced the repeated washing silicon chip has increased cleaning efficiency, the not thorough phenomenon of washing silicon chip has been reduced.

Description

Silicon chip belt cleaning device is used in photovoltaic module production

Technical Field

The utility model relates to a photovoltaic module produces technical field, specifically is a silicon chip belt cleaning device for photovoltaic module production.

Background

Silicon element is one of the most abundant elements in the earth crust, and for a product such as a solar cell which is destined to enter a large-scale market, the advantage of the reserve is also one of the reasons that silicon becomes a main material of photovoltaic, and a silicon wafer is needed in the production process of a photovoltaic module, but the surface of the silicon wafer is polluted by impurities during processing, so the silicon wafer needs to be cleaned.

At present, the silicon wafer cleaning device that has now is mostly to place the silicon chip and soak in the washing liquid and accomplish the cleaning process, but because static soaking cleaning efficiency is low, can lead to the inefficiency of the washing silicon chip of whole device, the time cost of photovoltaic module production has been increased, static soaking also can produce the not clean condition appearance of silicon chip washing simultaneously, need soak the washing once more, staff's work load has been increased, and present majority's device wash water is discharged after the disposable, accomplish the cyclic utilization water economy resource, and after the silicon chip washs the completion, it is inconvenient to take out the silicon chip from the device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a silicon chip belt cleaning device is used in photovoltaic module production has solved the cleaning efficiency of photovoltaic module production silicon chip low and not thorough, used washing water can not recycle and wash the inconvenient problem of taking out in back.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the technical proposal that: a silicon wafer cleaning device for photovoltaic module production comprises supporting legs, a cleaning box, notches and a collecting and taking device, wherein the left side and the right side of the inner wall of the bottom end of the cleaning box are respectively provided with the notches, the collecting and taking device is arranged in the two notches, the upper side of the collecting and taking device is provided with two air injection devices which are respectively and fixedly connected to the left side wall and the right side wall of the cleaning box, the two air injection devices are respectively and fixedly connected to a first flow divider through an air pipe, the first flow divider is fixedly connected to an air supply opening of an air blower, the air blower is fixedly connected to the upper surface of a water storage tank, the water storage tank is fixedly connected to a fixing plate, the fixing plate is fixedly connected to the outer surface of the left side of the cleaning box, the upper side of the air injection device on the, a first bearing is clamped on the left side wall of a cleaning box on the left side of the motor, two water spraying devices are arranged on the upper side of the roller cleaning device and are respectively and fixedly connected to the left side wall and the right side wall of the cleaning box, the two water spraying devices are both fixedly connected to a second flow divider through water pipes, the second flow divider is fixedly connected to a first water outlet of a water pump, a first water inlet of the water pump is fixedly connected with a water pumping pipe, the water pumping pipe is arranged in a water storage tank, a second water outlet of the water storage tank is fixedly connected to a second water outlet of the water pump, a circulating water pipeline is fixedly connected to the second water inlet of the water pump, a water valve is arranged on the lower side of the circulating water pipeline, the circulating water pipeline penetrates through the water storage tank and a fixing plate and is connected to a water leakage port on the lower bottom, and the material taking port is correspondingly arranged at the front side of the collecting and taking device.

Preferably, two left corners of the fixing plate and two right corners of the cleaning box are fixedly connected with supporting legs.

Preferably, collect the device of taking including the pulling handle, and pulling handle fixed connection is on collecting the box front side surface, and collects the bottom half and be provided with the filter screen, and collects the equal fixedly connected with slip handle of the box left and right sides, and two slip handles respectively sliding connection in the notch of seting up on wasing the case left and right sides wall.

Preferably, air jet system fixed connection is on wasing case left and right sides wall, and air jet system includes the air jet system main part, and two air jet system main parts deviate from the equal fixedly connected with breather pipe in one side of wasing the case center, and seted up gas passage in the air jet system, and gas passage deviates from one side fixedly connected with spoiler block of connecting the breather pipe.

Preferably, water jet equipment fixed connection is on wasing case left and right sides wall, and water jet equipment includes the water jet equipment main part, and two water jet equipment main parts deviate from the equal fixedly connected with water service pipe in one side of wasing the case center, and seted up logical water passageway in the water jet equipment, and the water jet equipment main part deviates from one side from the top down of connecting the water service pipe three reposition of redundant personnel of fixedly connected with in proper order with the briquetting, and all seted up logical water passageway in the three reposition of redundant personnel pressurization piece.

Preferably, the roller cleaning device comprises a first optical shaft, the first optical shaft penetrates through a first bearing fixed to be connected to the output shaft of the motor, the left side of the first optical shaft is sleeved in a second bearing, the second bearing fixed to be connected to the left side wall of the cleaning box, a first gear and a first gear are fixedly connected to the first optical shaft, the first gear is meshed with the second gear, the second gear is fixedly connected to the second optical shaft, the left side and the right side of the second optical shaft are sleeved on a third bearing, the two third bearings are fixedly connected to the left side wall and the right side wall of the cleaning box respectively, a second cleaning roller is arranged on the right side of the second gear, and the second cleaning roller is fixedly connected to.

Preferably, the first cleaning roller and the second cleaning roller are both fixedly connected with a brush.

(III) advantageous effects

The beneficial effects of the utility model reside in that:

1. this silicon chip belt cleaning device is used in photovoltaic module production, water spray through water pumper one and water jet equipment washes the silicon chip, simultaneously through cleaning roller one and cleaning roller two antiport, and then the extrusion washs the silicon chip that falls on cleaning roller one and cleaning roller two, the purpose of dynamic cleaning silicon chip has been reached, make the silicon chip through cleaning roller one and cleaning roller two antiport extrusion washing back, with the abluent cleaner of silicon chip, the process that has reduced the repeated washing silicon chip has increased cleaning efficiency, the not thorough phenomenon of washing silicon chip has been reduced.

2. This silicon chip belt cleaning device is used in photovoltaic module production, it is gaseous to make gas jet system blowout through the air-blower operation, air-dry by the silicon chip that the filter screen blocked in the collection box, the staff will collect the device of taking and take out from the notch through the pulling handle from getting the material mouth after air-dry, later take through the slip handle and collect the device of taking, make things convenient for the staff to transport the silicon chip after wasing, the inconvenient problem of taking out the silicon chip after wasing from the device of staff has been solved, and also the silicon chip has been dried to a certain extent, the time of silicon chip is dried once more has been reduced, the while has also made things convenient for the transportation of staff to the silicon chip after wasing, the efficiency of photovoltaic module production has been increased.

3. This silicon chip belt cleaning device is used in photovoltaic module production, through two operation of circulating water pipeline and water pumper with get into the water secondary suction in the circulating water pipeline in the storage water tank, open through the water valve simultaneously and close, water pumper one, water pumper two and circulating water pipeline accomplish the water change operation, both solved the problem that utilizes water washing silicon chip not cyclic utilization, practiced thrift the water resource, made things convenient for the change of staff to the water in the storage water tank again, reduced staff's work load.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the collecting and retrieving device of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the drum cleaning device of FIG. 1 according to the present invention;

fig. 5 is a schematic structural view of the air injection device of fig. 1 according to the present invention;

fig. 6 is a schematic structural view of the water spraying apparatus of fig. 1 according to the present invention.

In the figure: 1 supporting leg, 2 cleaning box, 3 notch, 4 collecting and taking device, 41 collecting box body, 42 filter screen, 43 pulling handle, 44 sliding handle, 5 vent pipe, 6 air injection device, 61 air injection device main body, 62 gas channel, 63 turbulence block, 7 supporting plate, 8 motor, 9 bearing I, 10 water pipe, 11 water injection device, 111 water injection main body, 112 water channel, 113 shunting and pressing block, 12 roller cleaning device, 121 cleaning roller I, 122 gear I, 123 bearing II, 124 optical axis I, 125 gear II, 126 optical axis II, 127 bearing III, 128 cleaning roller II, 13 diverter I, 14 blower, 15 diverter II, 16 water pump I, 17 water storage tank, 18 water pumping pipe, 19 water outlet pipe, 20 water pump II, 21 fixing plate, 22 water valve, 23 circulation, 24 filter plate, 25 water taking port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-6, the utility model provides a technical solution: a silicon wafer cleaning device for photovoltaic module production comprises supporting legs 1, a cleaning box 2, notches 3 and a collecting and taking device 4, wherein the notches 3 are formed in the left side and the right side of the inner wall of the bottom end of the cleaning box 2, the collecting and taking device 4 is arranged in each notch 3, two air injection devices 6 are arranged on the upper side of the collecting and taking device 4, the two air injection devices 6 are fixedly connected to the left side wall and the right side wall of the cleaning box 2 respectively, the two air injection devices 6 are fixedly connected to a first flow divider 13 through air pipes 5, the first flow divider 13 can distribute air blown out by an air blower 14 into the two air pipes 5 respectively, the two air injection devices 6 simultaneously inject air to air-dry cleaned silicon wafers from the left side and the right side of the collecting and taking device 4, the cleaned silicon wafers are dried more quickly by the air blower, and the first flow divider 13 is fixedly connected to, the blower 14 is fixedly connected to the upper surface of the water storage tank 17, the water storage tank 17 is fixedly connected to the fixing plate 21, the fixing plate 21 is fixedly connected to the outer surface of the left side of the cleaning tank 2, the supporting plate 7 is fixedly connected to the upper side of the air injection device 6 on the left side, the motor 8 is fixedly connected to the upper surface of the supporting plate 7, the output shaft of the motor 8 is fixedly connected to the roller cleaning device 12, the bearing I9 is clamped on the left side wall of the cleaning tank 2 on the left side of the motor 8, the two water injection devices 11 are arranged on the upper side of the roller cleaning device 12, the two water injection devices 11 are respectively and fixedly connected to the left side wall and the right side wall of the cleaning tank 2, the two water injection devices 11 are both fixedly connected to the flow divider II 15 through the water pipes 10, the flow divider II 15 can distribute the water pumped by the water of, the silicon wafer is soaked to facilitate the dynamic cleaning of the roller cleaning device 12 while the floating dust on the surface of the silicon wafer is removed, the second flow divider 15 is fixedly connected to a water outlet of a first water pump 16, a water inlet of the first water pump 16 is fixedly connected with a water pumping pipe 18, the water pumping pipe 18 is arranged in a water storage tank 17, a second water pump 20 is fixedly connected to the inner wall of the upper side of the water storage tank 17, a water outlet pipe 19 is fixedly connected to a water outlet of the second water pump 20, a circulating water pipeline 23 is fixedly connected to a water inlet of the second water pump 20, a water valve 22 is arranged on the lower side of the circulating water pipeline 23, the water valve 22 can assist in discharging water in the circulating water pipeline 23 and cooperate with the second water pump 20 to circularly utilize water to clean the silicon wafer, the purpose of saving water resources is achieved, meanwhile, the effect of replacing water in the water storage tank 17 can be assisted, and the, and be provided with filter 24 in the mouth that leaks, and be provided with on 24 upside cleaning box 2 surfaces of filter and get material mouth 25, and get material mouth 25 and correspond and set up in collecting the 4 front sides of taking, get material mouth 25 and can make things convenient for the staff to extract and collect the device 4 of taking, also can make things convenient for staff's observation device operational aspect.

Fixed plate 21 left side both corners and 2 right sides both corners fixedly connected with supporting legs 1 of washing case, supporting leg 1 can protect circulating water pipeline 23, also can make things convenient for the staff to open simultaneously or close water valve 22, and then makes things convenient for the staff to trade the water operation, has reduced staff's work load.

Collect device 4 of taking includes pulling handle 43, and pulling handle 43 fixed connection is on collecting box 41 front side outer surface, and collect box 41 bottom and be provided with filter screen 42, and collect the equal fixedly connected with slip handle 44 in the box 41 left and right sides, and two slip handles 44 respectively sliding connection in the notch 3 of seting up on wasing the wall of the case 2 left and right sides, after the air-dry through air jet system 6, the staff can be followed the material of taking mouthful 25 and will be collected device 4 of taking and take out from notch 3 through pulling handle 43, later take through slip handle 44 and collect device 4 of taking, make things convenient for the staff to transport the silicon chip after the washing.

6 fixed connection of air jet system is on wasing 2 left and right sides walls of case, and air jet system 6 includes air jet system main part 61, and two air jet system main parts 61 deviate from the equal fixedly connected with breather pipe 5 in one side of wasing 2 centers of case, and gas passage 62 has been seted up in the air jet system main part 61, and gas passage 62 deviates from one side fixedly connected with vortex block 63 of connecting

breather pipe

5, 6 blowout gas of air jet system can be air-dried the silicon chip that is blocked by filter screen 42 in collecting box 41, the silicon chip has also been dried to a certain extent, the time of silicon chip of drying once more has been reduced, the efficiency of photovoltaic module production has been increased, vortex block 63 has then played the effect of disturbing wind and has made the silicon chip that filter screen 42 blocked air-dried more even, air-dried efficiency has.

The water spraying device 11 is fixedly connected to the left side wall and the right side wall of the cleaning box 2, the water spraying device 11 comprises a water spraying device main body 111, one side of each of the two water spraying device main bodies 111, which is far away from the center of the cleaning box 2, is fixedly connected with the water through pipe 10, a water through channel 112 is arranged in the water spraying device 11, one side of each of the water spraying device main bodies 111, which is far away from the water through pipe 10, is fixedly connected with three shunting and pressurizing blocks 113 from top to bottom, the three shunting and pressurizing blocks 113 can shunt water fed by the water through pipe 10 and spray the water from three outlets, and simultaneously, as the water through channels 112 in the three shunting and pressurizing blocks 113 become narrow, the pressurizing effect can be achieved, so that impurities on the surface of the silicon wafer can be removed by the impact force of water when the silicon wafer passes through the water spraying device 11, and simultaneously, the water spraying device 11 can continuously spray water on the roller cleaning device, the roller cleaning device 12 is kept wet, so that water is added for cleaning in the process of dynamically cleaning the silicon wafer, and finally the silicon wafer is cleaned more cleanly.

The roller cleaning device 12 comprises a first optical axis 124, the first optical axis 124 penetrates through a first bearing 9 and is fixedly connected to an output shaft of the motor 8, the left side of the first optical axis 124 is sleeved in a second bearing 123, the second bearing 123 is fixedly connected to the left side wall of the cleaning box 2, the first optical axis 124 is fixedly connected with a first cleaning roller 121 and a first gear 122, the first gear 122 is meshed with a second gear 125, the second gear 125 is fixedly connected to a second optical axis 126, the left side and the right side of the second optical axis 126 are sleeved on a third bearing 127, the two third bearings 127 are respectively fixedly connected to the left side wall and the right side wall of the cleaning box 2, a second cleaning roller 128 is arranged on the right side of the second gear 125, the second cleaning roller 128 is fixedly connected to the second optical axis 126, the first optical axis 124 is connected with a power source to rotate, the first cleaning roller 121 is driven to rotate, the first optical axis 124 drives the first gear 122 to rotate, the second gear 125 rotates reversely due to the meshing with the first gear 122, so that the second optical axis 126 rotates reversely, and finally falls on the first cleaning roller 121 and the second cleaning roller 128 to extrude and clean the silicon wafer, thereby realizing the process of dynamically cleaning the silicon wafer.

The first cleaning roller 121 and the second cleaning roller 128 are fixedly connected with brushes, the brushes can better help the first cleaning roller 121 and the second cleaning roller 128 to clean the silicon wafer in an extrusion manner, impurities on the silicon wafer are removed in a dynamic process, and then the silicon wafer is cleaned.

The utility model discloses an operating procedure does:

s1, when the device works, the silicon wafer is poured into the cleaning box 2 from the upper port, the first water pump 16 pumps water from the water storage tank 17 and conveys the water to the two water spraying devices 11 through the water pipe 10, the two water spraying devices 11 spray water sent by the first water pump 16 to clean the silicon wafer poured into the upper port of the cleaning box 2, the silicon wafer drops onto the first cleaning roller 121 and the second cleaning roller 128 after being washed by water sprayed by the water spraying devices 11, the first cleaning roller 121 and the second cleaning roller 128 are wetted by the water sprayed by the water spraying devices 11, when the silicon wafer drops onto the first cleaning roller 121 and the second cleaning roller 128, the motor 8 operates to drive the first optical axis 124 to rotate, the first cleaning roller 121 rotates, the first optical axis 124 rotates and the first gear 122 rotates, the first gear 122 rotates and then drives the second gear 125 meshed with the first gear 122 to rotate reversely, and the second gear 125 rotates reversely due to being meshed with the first gear 122, the second cleaning roller 128 rotates reversely, and the first cleaning roller 121 and the second cleaning roller 128 rotate in opposite directions, so that the silicon wafers falling on the first cleaning roller 121 and the second cleaning roller 128 move between the first cleaning roller 121 and the second cleaning roller 128 along with the rotation of the first cleaning roller 121 and the second cleaning roller 128 to be squeezed and cleaned;

s2, after the silicon wafers are squeezed and cleaned by the first cleaning roller 121 and the second cleaning roller 128, the silicon wafers squeezed and cleaned by the first cleaning roller 121 and the second cleaning roller 128 fall into the collection box 41 and are blocked by the filter screen 42, the first water pump 16 stops working after the silicon wafers to be cleaned are dumped and cleaned, the air blower 14 operates to enable the air injection device 6 to inject air to dry the silicon wafers blocked by the filter screen 42 in the collection box 41, after the air drying is finished, a worker pulls the handle 43 from the material taking port 25 to take the collection taking device 4 out of the notch 3, then the collection taking device 4 is taken out through the sliding handle 44, and the transfer of the cleaned silicon wafers is facilitated for the worker;

s3, water falling into the collection box body 41 together with the silicon wafer falls to the bottom end of the collection box body through the filter screen 42, enters the circulating water pipeline 23 after being filtered by the filter plate 24, then the water entering the circulating water pipeline 23 is pumped into the water storage tank 17 again through the operation of the second water pump 20, when water needs to be changed, the water valve 22 is opened only when the device is used for cleaning the silicon wafer, the water entering the circulating water pipeline 23 after the water valve 22 is opened is discharged through the water valve 22, after the water in the water storage tank 17 is drained completely, a water source is connected with the water valve 22, meanwhile, the second water pump 20 operates to refill clean water into the water storage tank 17 again, and finally the water valve 22 is closed to finish water changing.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a silicon chip belt cleaning device is used in photovoltaic module production, includes supporting leg (1), washs case (2), notch (3) and collects device (4) of taking, its characterized in that: the left side and the right side of the inner wall of the bottom end of the cleaning box (2) are both provided with notches (3), the two notches (3) are internally provided with a collecting and taking device (4), the upper side of the collecting and taking device (4) is provided with two air injection devices (6), the two air injection devices (6) are respectively and fixedly connected to the left side wall and the right side wall of the cleaning box (2), the two air injection devices (6) are both fixedly connected to a first flow divider (13) through an air pipe (5), the first flow divider (13) is fixedly connected to an air supply opening of an air blower (14), the air blower (14) is fixedly connected to the upper surface of a water storage tank (17), the water storage tank (17) is fixedly connected to a fixed plate (21), the fixed plate (21) is fixedly connected to the outer surface of the left side of the cleaning box (2), a supporting plate (7) is fixedly connected to the upper side of, an output shaft of the motor (8) is fixedly connected to the roller cleaning device (12), a bearing I (9) is clamped on the left side wall of the cleaning box (2) on the left side of the motor (8), two water spraying devices (11) are arranged on the upper side of the roller cleaning device (12), the two water spraying devices (11) are respectively and fixedly connected to the left side wall and the right side wall of the cleaning box (2), the two water spraying devices (11) are respectively and fixedly connected to a flow divider II (15) through a water pipe (10), the flow divider II (15) is fixedly connected to a water outlet of a water pump I (16), a water inlet of the water pump I (16) is fixedly connected with a water pumping pipe (18), the water pumping pipe (18) is arranged in the water storage tank (17), the water pump II (20) is fixedly connected to the inner wall on the upper side of the water storage tank (17), a water outlet of the water pump II (20) is fixedly connected with a water outlet pipe (, and circulating water pipeline (23) downside is provided with water valve (22), and circulating water pipeline (23) pass storage water tank (17) and fixed plate (21) and connect on wasing the mouth of a river that leaks of case (2) bottom surface down, and be provided with filter (24) in the mouth of a river, and filter (24) upside washs and is provided with on case (2) surface and get material mouth (25), and get material mouth (25) and correspond to set up and take device (4) front side in the collection.

2. The silicon wafer cleaning device for producing the photovoltaic module as claimed in claim 1, wherein: two angles on the left side of the fixed plate (21) and two angles on the right side of the cleaning box (2) are fixedly connected with supporting legs (1).

3. The silicon wafer cleaning device for producing the photovoltaic module as claimed in claim 1, wherein: collect device (4) of taking including pulling handle (43), and pulling handle (43) fixed connection is on collecting box (41) front side surface, and collects box (41) bottom and be provided with filter screen (42), and collects the equal fixedly connected with in the left and right sides of box (41) and slide handle (44), and two slide handle (44) respectively sliding connection in notch (3) of seting up on wasing case (2) left and right sides wall.

4. The silicon wafer cleaning device for producing the photovoltaic module as claimed in claim 1, wherein: air jet system (6) fixed connection is on wasing case (2) left and right sides wall, and air jet system (6) include air jet system main part (61), and two air jet system main parts (61) deviate from the equal fixedly connected with breather pipe (5) in one side of wasing case (2) center, and offer gas passage (62) in air jet system main part (61), and gas passage (62) deviate from one side fixedly connected with turbulence piece (63) of connecting breather pipe (5).

5. The silicon wafer cleaning device for producing the photovoltaic module as claimed in claim 1, wherein: water jet equipment (11) fixed connection is on wasing case (2) left and right sides wall, and water jet equipment (11) include water jet equipment main part (111), and two water jet equipment main parts (111) deviate from the equal fixedly connected with water service pipe (10) in one side of wasing case (2) center, and seted up in water jet equipment (11) and led to the police water passageway (112), and water jet equipment main part (111) deviate from one side from the top down three reposition of redundant personnel of fixedly connected with briquetting (113) in proper order of connecting water service pipe (10), and led to the police water passageway (112) have all been seted up in three reposition of redundant personnel briquetting (113).

6. The silicon wafer cleaning device for producing the photovoltaic module as claimed in claim 1, wherein: the roller cleaning device (12) comprises a first optical axis (124), the first optical axis (124) penetrates through a first bearing (9) and is fixedly connected to an output shaft of the motor (8), the left side of the first optical axis (124) is sleeved in a second bearing (123), the second bearing (123) is fixedly connected to the left side wall of the cleaning box (2), the first optical axis (124) is fixedly connected with a first cleaning roller (121) and a first gear (122), the first gear (122) is meshed with a second gear (125), the second gear (125) is fixedly connected to the second optical axis (126), the left side and the right side of the second optical axis (126) are both sleeved on a third bearing (127), two third bearings (127) are respectively and fixedly connected to the left side wall and the right side wall of the cleaning box (2), the right side of the second gear (125) is provided with a second cleaning roller (128), and the second cleaning roller (128) is fixedly connected to the second optical axis (126).

7. The silicon wafer cleaning device for producing the photovoltaic module as claimed in claim 6, wherein: and the first cleaning roller (121) and the second cleaning roller (128) are fixedly connected with brushes.