CN218160333U

CN218160333U - Prevent that aluminite powder drops screen printing turnover machine that pollutes

Info

Publication number: CN218160333U
Application number: CN202222183292.XU
Authority: CN
Inventors: 张思敏; 张飞; 孙铁囤
Original assignee: Changzhou EGing Photovoltaic Technology Co Ltd
Current assignee: Changzhou EGing Photovoltaic Technology Co Ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-27
Anticipated expiration: 2032-08-18

Abstract

The utility model provides a silk-screen printing plate turning machine for preventing aluminum powder from falling and polluting, which comprises a plate turning machine, a cleaning area, a purifying area and a drying area; the cleaning area comprises a cleaning tank, a circulating liquid input pipe and a circulating liquid output pipe, and part of a turning plate of the plate turnover machine enters the conveying tank in the rotating process; the purification area comprises a purification tank and a water pump, one end of a circulating liquid input pipe and one end of a circulating liquid output pipe are communicated with the cleaning tank, the other end of the circulating liquid input pipe and the other end of the circulating liquid output pipe are communicated with the purification tank, cleaning liquid is contained in the purification tank, the water outlet end of the water pump is communicated with the circulating liquid input pipe, and a filter disc is further arranged at the connecting end of the circulating liquid input pipe and the water pump; the drying zone comprises a hot air knife. The utility model has reasonable structural design, and can effectively clean and purify the wafer turning machine and effectively avoid the pollution of aluminum paste through the design of the cleaning area and the drying area; meanwhile, the purification area is designed to filter impurities such as aluminum powder and the like remained in the cleaning process, so that dust pollution caused by the aluminum powder can be reduced.

Description

Prevent that aluminite powder drops screen printing turnover machine that pollutes

Technical Field

The utility model relates to a silicon chip manufacturing technical field especially relates to a prevent screen printing of aluminite powder pollution that drops and turns over mascerating machine.

Background

The silk screen printing refers to that a silk screen is used as a plate base, and a silk screen printing plate with pictures and texts is manufactured by a photosensitive plate making method. In the production of solar photovoltaic cell panels, a screen printing method is adopted to print silver paste on a silicon chip to form grid lines, a back electrode is simultaneously manufactured after sintering, an antireflection film is coated on the surface with the grid lines, and the like to manufacture a solar cell monomer sheet, and finally the solar cell panel is assembled as required.

In the process of the technology, a blank turning machine is needed to be used, after the silicon wafer is output from the two drying furnaces, the silicon wafer is conveyed into a groove of the wafer turning machine through a belt, turned and rotated, and then the silicon wafer is driven to turn 180 degrees and then enters into three printing processes. The conventional wafer turning machine is usually made of hard plastics, and during the turning process, the wafer turning machine and an aluminum sheet are rubbed to cause partial back surface field aluminum paste of a silicon wafer to fall onto the turning machine and the turning machine to be polluted, so that the subsequent silicon wafer is polluted. The contaminated blade turner needs manual operation to stop production, and can work again after being manually cleaned. The cleaning process is complicated and consumes working hours, and meanwhile, the aluminum powder can also generate dust pollution to pollute workshops.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the not enough of prior art, the utility model provides a prevent that screen printing of aluminite powder pollution that drops turns over mascerating machine can clear up the aluminium thick liquid on the mascerating machine automatically, reduces the contaminated condition of mascerating machine, effectively reduces the raise dust pollution of aluminite powder simultaneously.

The utility model provides a technical scheme that its technical problem adopted is: a screen printing plate turnover machine for preventing aluminum powder from falling and polluting comprises a plate turnover machine, wherein the plate turnover machine comprises a turnover plate and a rotating shaft for driving the turnover plate to rotate, the turnover plate is provided with a conveying groove, and the screen printing plate turnover machine further comprises a cleaning area, a purifying area and a drying area; the cleaning area is arranged below a turning plate of the plate turnover machine and comprises a cleaning tank, a circulating liquid input pipe and a circulating liquid output pipe, and part of the turning plate of the plate turnover machine enters the conveying tank in the rotating process; the cleaning device comprises a cleaning tank, a cleaning area, a circulating liquid input pipe, a circulating liquid output pipe, a cleaning liquid input pipe, a water pump and a cleaning liquid outlet pipe, wherein the cleaning area is arranged below the cleaning tank and comprises a cleaning tank and a water pump; the drying area comprises a hot air knife, the hot air knife is arranged above the cleaning area, the wind direction of the hot air knife blows to the direction of the turning plate, and the turning plate of the plate turning machine is driven by the rotating shaft to rotate and is dried by the hot air knife after passing through the cleaning tank.

In the above scheme, through the cooperation of district, clean area and drying zone, can wash turning over the board of turning over the mascerating machine to filter the circulation liquid of washing usefulness, can wash and filter the aluminium powder on the mascerating machine, realize the effect of the aluminium thick liquid on the automatic clearance flacon turning over machine.

Furthermore, rubber blocks are respectively protruded from two sides of the conveying groove of the turning plate, and the rubber blocks support and support the silicon wafer. Through the design of rubber piece, the friction of reducible piece machine and the silicon chip of turning over reduces the aluminite powder and drops probably, reduces raise dust and secondary pollution's the condition, and the rubber material can guarantee the provision of holding power simultaneously, avoids the silicon chip to take place to hide to split at the transport piece in-process of turning over.

Furthermore, the rubber block is in a cone structure, and the common vertex of the cone supports the silicon chip. Through the design of the cone-shaped body structure, the contact area between the rubber block and the silicon wafer is small, and the rubber block is not easy to rub against the silicon wafer.

Preferably, the hardness of the rubber block is 55H.

Preferably, the cleaning liquid is alcohol.

Preferably, the filter sheet is a filter cotton sheet.

The beneficial effects of the utility model are that, the screen printing plate turnover machine for preventing aluminum powder from falling and polluting provided by the utility model has reasonable structural design, and can effectively clean and purify the plate turnover machine through the design of the cleaning zone and the drying zone, thereby effectively avoiding the pollution of aluminum paste; meanwhile, the purification area is designed to filter impurities such as aluminum powder and the like remained in the cleaning process, so that dust pollution caused by the aluminum powder can be reduced.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the preferred embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a turning plate of the sheet turning machine in the preferred embodiment of the present invention.

In the figure, the device comprises a rubber block 1, a turning plate 3, a hot air knife 4, a circulating liquid input pipe 5, a circulating liquid output pipe 6, a cleaning tank 7, a purifying tank 8, a water pump 9 and a filter cotton sheet.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings which illustrate the basic structure of the invention in a schematic manner only, and thus show only the components which are relevant to the invention, and the directions and references (e.g. upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

The screen printing turnover machine for preventing aluminum powder from falling and polluting as shown in figure 1 is the best embodiment of the utility model. The sheet turning machine comprises a turning plate 2, a rotating shaft, a cleaning zone, a purifying zone and a drying zone.

The turning plate 2 is driven by the rotating shaft to rotate, and the turning plate 2 rotates to drive the silicon wafer to rotate for 180 degrees to complete the wafer turning operation. The turning plate 2 is provided with a conveying groove. In order to facilitate the silicon wafer conveying, as shown in fig. 2, rubber blocks 1 are respectively protruded from two sides of a conveying groove of a turning plate 2, the rubber blocks 1 have the hardness of 55H and are in a conical body structure, and a common vertex of the conical body is used for supporting the silicon wafer. Through the design of cone structure, public summit provides the support for the silicon chip, and rubber block 1 is little with silicon chip area of contact, is difficult for taking place the friction with the silicon chip, reduces among the transportation process aluminite powder and drops probably, reduces raise dust and secondary pollution's the condition. Meanwhile, the supporting force can be guaranteed by adopting the rubber material, and the silicon wafer is prevented from being hidden and cracked in the conveying and turning process.

The cleaning area is arranged below the turning plate 2 of the plate turning machine, and the purifying area is arranged below the cleaning tank 6. The cleaning area comprises a cleaning tank 6, a circulating liquid input pipe 4 and a circulating liquid output pipe 5, and part of the turnover plate 2 of the turnover machine enters the conveying tank in the rotating process of the turnover plate 2. The purification area includes purifying tank 7 and water pump 8, and circulation liquid input tube 4 and circulation liquid output tube 5 one end and washing tank 6 intercommunication, the other end and purifying tank 7 intercommunication are equipped with the washing liquid in the purifying tank 7 splendid attire, and water pump 8's play water end and circulation liquid input tube 4 intercommunication, circulation liquid input tube 4 still are equipped with the cassette with the junction department of water pump 8.

In practical application, the cleaning liquid is alcohol, and the filter cotton sheet 9 is selected as a filter sheet. The cleaning tank 6 is composed of a tank body with two holes formed in two sides, the circulating liquid input pipe 4 and the circulating liquid output pipe 5 are leather pipes, the leather pipes are connected to the purification area at the two holes, and alcohol is filled in the cleaning tank 6. The purification tank 7 is also composed of a tank body with two holes on both sides. Two plastic water pumps 8 are arranged in the purification tank 7, and a filtering cotton piece 9 is arranged at the connecting end of the water outlet of the plastic water pump 8 and the circulating liquid input pipe 4 and can be maintained and replaced as required. When the turning plate 2 rotates to the position of the cleaning tank 6, alcohol enters the cleaning tank 6 from the circulating liquid input pipe 4 under the action of the water pump 8 and is conveyed back to the purifying tank 7 through the circulating liquid output pipe 5, and the aluminum powder on the turning plate 2 is taken away by the alcohol. The water flow with the aluminum powder flows into the purifying tank 7, the water in the purifying tank 7 enters the circulating liquid input pipe 4 through the water pump 8 in a pressurizing and circulating mode, impurities such as the aluminum powder cannot pass through the filter cotton sheet 9, the impurities are remained in a purifying area, and the filter cotton and cleaning liquid need to be replaced at regular time during maintenance.

The drying zone comprises a hot air knife 3. The hot air knife 3 is generally composed of a fan and a heating resistance wire. The hot-blast sword 3 sets up in the washing district top and 3 wind directions of hot-blast sword blow to turning over the board 2 directions. The turning plate 2 of the plate turning machine is driven by the rotating shaft to rotate. Part of alcohol is left on the surface of the turning plate 2 after passing through the cleaning groove 6, and the residual alcohol brought out is sent under the drying action of the hot air knife 3, so that the surface of the turning plate 2 is kept dry.

The screen printing turnover machine capable of preventing aluminum powder from falling and polluting is reasonable in structural design, and can be effectively cleaned and purified through the design of the cleaning area and the drying area, so that the pollution of aluminum paste is effectively avoided; meanwhile, the purification area is designed to filter impurities such as residual aluminum powder in the cleaning process, so that dust pollution caused by the aluminum powder can be reduced.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a prevent that aluminite powder from coming off and polluting screen printing turns over mascerating machine, turns over mascerating machine and turns over board (2) pivoted pivot including turning over board (2) and drive, turn over board (2) on have a conveyer trough, its characterized in that: the device also comprises a cleaning area, a purifying area and a drying area;

the cleaning area is arranged below a turning plate (2) of the sheet turning machine and comprises a cleaning tank (6), a circulating liquid input pipe (4) and a circulating liquid output pipe (5), and part of the turning plate (2) of the sheet turning machine enters the conveying tank in the rotating process of the turning plate (2);

the cleaning device is characterized in that the cleaning area is arranged below the cleaning tank (6), the cleaning area comprises a cleaning tank (7) and a water pump (8), one end of the circulating liquid input pipe (4) and one end of the circulating liquid output pipe (5) are communicated with the cleaning tank (6), the other end of the circulating liquid input pipe is communicated with the cleaning tank (7), cleaning liquid is contained in the cleaning tank (7), the water outlet end of the water pump (8) is communicated with the circulating liquid input pipe (4), and a filter disc is further arranged at the connecting end of the circulating liquid input pipe (4) and the water pump (8);

the drying area comprises a hot air knife (3), the hot air knife (3) is arranged above the cleaning area, the wind direction of the hot air knife (3) blows towards the direction of the turning plate (2), and the turning plate (2) of the blade turning machine rotates under the driving of the rotating shaft and is dried by the hot air knife (3) after passing through the cleaning groove (6).

2. The screen printing plate turnover machine for preventing aluminum powder from shedding and polluting as claimed in claim 1, wherein: two sides of the conveying groove of the turning plate (2) are respectively provided with a rubber block (1) in a protruding mode, and the rubber blocks (1) support and support the silicon wafer.

3. The screen printing plate turnover machine for preventing aluminum powder from shedding and polluting as claimed in claim 2, wherein: the rubber block (1) is of a conical body structure, and a common vertex of the conical body supports the silicon wafer.

4. The screen printing plate turnover machine for preventing aluminum powder from shedding and polluting as claimed in claim 3, wherein: the hardness of the rubber block (1) is 55H.

5. The screen printing plate turnover machine for preventing aluminum powder from shedding and polluting as claimed in claim 1, wherein: the cleaning solution is alcohol.

6. The screen printing plate turnover machine for preventing aluminum powder from shedding and polluting as claimed in claim 1, wherein: the filter sheet is a filter cotton sheet (9).