CN108899293B - A solar cell crystalline silicon cleaning device that prevents cleaning dead corners - Google Patents

Abstract

The invention discloses a solar cell crystalline silicon cleaning device for preventing dead angles from cleaning, which comprises: a water tank, a tray set, and a high-pressure air flow supply mechanism for providing a high-pressure air flow, wherein: the inner side wall of the water tank is provided with a first chute and a second chute which are oppositely arranged; the tray group comprises at least one tray, and one side of the tray is provided with a first sliding block and a second sliding block far away from one side of the first sliding block; the tray comprises a bottom plate and a plurality of side plates, the bottom plate is of a hollow structure, a limit column is arranged below the bottom plate, each side plate is fixed above the bottom plate, and a space is reserved between any two adjacent side plates to form a clamping groove; the inner parts of the side plates are respectively provided with a clamping cavity, and the clamping cavities on the side plates are communicated with each other through pipelines; the side wall of one side of any adjacent two side plates, which is close to each other, is provided with an air hole communicated with the clamping cavity; the high-pressure air flow supply mechanism is detachably connected with the pipeline. The invention can effectively improve the cleaning effect of the workpiece and has no cleaning dead angle.

Description

A solar cell crystalline silicon cleaning device that prevents cleaning dead corners

Technical field

The invention relates to the technical field of single crystal silicon wafer production and manufacturing, and in particular to a solar cell crystalline silicon cleaning device that prevents cleaning of dead corners.

Background technique

After the monocrystalline silicon wafer is produced and polished, the surface dirt needs to be cleaned. The existing cleaning equipment is more traditional, which is to put the monocrystalline silicon wafer into a sink and rinse it. This method of cleaning is not very clean, and because the single crystal silicon wafers are relatively thin, many of them overlap each other, which can easily cause cleaning dead spots.

Contents of the invention

Based on the technical problems existing in the above background technology, the present invention proposes a solar cell crystalline silicon cleaning device that prevents cleaning dead corners.

The invention proposes a solar cell crystalline silicon cleaning device that prevents cleaning dead corners, including: a water tank, a tray group, and a high-pressure airflow supply mechanism for providing high-pressure airflow, wherein:

The inner wall of the water tank is provided with a vertically extending first chute and a second chute arranged opposite to the first chute;

The pallet group includes at least one pallet, and a first slider is provided on one side of the pallet for being inserted into the first chute, and a second slider is provided on a side away from the first slider for being inserted into the second chute. slider;

The pallet includes a bottom plate and several side plates. The bottom plate is a hollow structure. There are vertically arranged and fixed limit columns below the bottom plate. Each side plate is fixed above the bottom plate and between any two adjacent side plates. Leave a gap between them to form a slot for the workpiece to be placed; each side plate is equipped with a clamping cavity, and the clamping cavity on each side plate is connected to each other through pipelines; any two adjacent side plates are close to each other There are air holes connected to its sandwich cavity on one side wall;

The high-pressure air flow supply mechanism is detachably connected to the pipeline.

Preferably, the pipeline includes a main pipe and several branch pipes connected with the main pipe. Each branch pipe corresponds to the clamping cavity of each side plate and communicates with the corresponding clamping cavity respectively.

Preferably, any branch pipe is connected to the corresponding clamping cavity through a control valve that can automatically control the opening and closing degree.

Preferably, sensors for detecting whether the workpiece in the slot abuts against the side wall of the side plate are respectively installed on both side walls of any side plate, and when any one of the sensors detects that the workpiece is in contact with the side wall of the side plate, When the wall abuts, the control valve corresponding to the side plate controls its opening and closing to increase.

Preferably, both ends of the slot are provided with baffles fixed to the bottom plate, and the baffles have a hollow structure.

Preferably, the card slot is provided with a plurality of baffles fixed to the bottom plate, each baffle is a hollow structure, and the baffles are spaced from one end to the other end of the card slot to separate the card slot into multiple cavity.

Preferably, there are multiple pallets, and a limiting groove is provided on the upper surface of any pallet, and the limiting groove is located on the same straight line as the limiting column on the pallet.

Preferably, the high-pressure air flow supply mechanism is fixedly installed on the outer wall of the water tank.

In the present invention, a first slider and a second slider arranged oppositely are provided on the inner wall of the water tank, and a first slider and a second slider are provided on the tray, so that the first slider and the second slider can be used to respectively Cooperating with the first chute and the second chute, the tray can slide up and down inside the sink to facilitate loading and unloading of the tray; at the same time, by configuring the structure of the tray, the tray has multiple The clamping slot is used to place the workpiece to be cleaned. At the same time, the high-pressure air supply mechanism and the pipeline are used to transport high-pressure airflow to the inside of each clamping cavity, thereby forming two high-pressure airflows flowing in opposite directions inside each clamping slot to utilize The two airflows make the workpiece in the slot stand upright, so that during the cleaning process, except for the bottom contact with the tray, all other parts of the workpiece are in a suspended state, so that there are no cleaning dead corners, and the water flow in the sink is in the airflow. Under the action, the workpiece is continuously flushed, which can effectively improve the cleaning effect of the workpiece.

Description of the drawings

Figure 1 is a schematic structural diagram of a solar cell crystalline silicon cleaning device that prevents cleaning dead corners proposed by the present invention;

Figure 2 is a schematic structural diagram of the side plate in a solar cell crystalline silicon cleaning device that prevents cleaning dead corners proposed by the present invention.

Detailed ways

Below, the technical solution of the present invention is described in detail through specific embodiments.

As shown in Figures 1-2, Figure 1 is a schematic structural diagram of a solar cell crystalline silicon cleaning device that prevents cleaning dead spots proposed by the present invention; Figure 2 is a solar cell crystalline silicon cleaning device that prevents cleaning dead spots proposed by the present invention. Structural diagram of the side panels described in .

Referring to Figures 1-2, an embodiment of the present invention proposes a solar cell crystalline silicon cleaning device that prevents cleaning dead spots, including: a water tank 1, a tray group, and a high-pressure airflow supply mechanism 2 for providing high-pressure airflow, wherein: water tank 1 The inner side wall is provided with a vertically extending first chute and a second chute arranged opposite to the first chute. The pallet group includes a plurality of pallets 3, and one side of each pallet 3 is provided with a first slide block for being inserted into the first chute, and the side away from the first slide block is provided with a second slide block for being inserted into the first chute. inside the second slider.

The pallet 3 includes a bottom plate 31 and several side plates 32. The bottom plate 31 is a hollow structure. A limiting column 4 is arranged vertically below the bottom plate 31 and fixed thereto. Each side plate 32 is fixed above the bottom plate 31 and at any position. A gap is reserved between two adjacent side plates 32 to form a slot for the workpiece to be placed; each side plate 32 is provided with a clamping cavity a, and the clamping cavity a on each side plate 32 passes through the pipeline. 5 are connected with each other; the side walls of any two adjacent side plates 32 that are close to each other are provided with air holes b that are connected to the sandwich cavity a. The high-pressure air flow supply mechanism 2 is detachably connected to the pipeline 5 .

The invention works like this: first place the workpieces to be cleaned into each slot on the pallet 3, and use the first slide block and the second slide block to cooperate with the first chute and the second chute respectively to make the assembly work. The pallet 3 filled with workpieces slides into the water tank along the inner wall of the water tank 1, and the limiting column 4 at the bottom of the pallet 3 is used to ensure that there is a certain height space between any two adjacent pallets; then the high-pressure air flow supply mechanism 2 is used to High-pressure airflow is delivered inside each clamping cavity a to form two convection airflows on both sides of each workpiece, so that the two airflows can be used to keep the workpiece in an upright position, so that during the cleaning process, the workpiece is in contact with the tray 3 except for the bottom All other parts are in a suspended state, so that there is no dead corner for cleaning, and the water flow in the water tank 1 continuously washes the workpiece under the action of the air flow, which can effectively improve the cleaning effect of the workpiece.

It can be seen from the above that in the present invention, the first slider and the second slider are arranged oppositely on the inner wall of the water tank 1, and the first slider and the second slider are provided on the tray 3 to utilize the first slider and the second slider. The two slide blocks cooperate with the first chute and the second chute respectively so that the tray 3 can slide up and down inside the water tank 1 to facilitate the loading and unloading of the tray 3; at the same time, by adjusting the structure of the tray 3 It is set up so that the tray 3 has multiple slots for placing the workpieces to be cleaned. At the same time, the high-pressure airflow supply mechanism 2 is used to cooperate with the pipeline 5 to deliver high-pressure airflow to the inside of each clamping cavity a, so that the workpieces to be cleaned are placed in each slot. Two high-pressure airflows flowing in opposite directions are formed inside, and the two airflows are used to keep the workpiece in the slot in an upright position without cleaning dead corners, thereby effectively improving the cleaning effect of the workpiece.

In addition, in this embodiment, the pipeline 5 includes a main pipe and several branch pipes connected with the main pipe. Each branch pipe corresponds to the clamping cavity a of each side plate 32 and is connected to the corresponding clamping cavity a respectively. The arrangement of this structure can not only It effectively improves the clean and beautiful appearance of the pallet 3 and reduces the difficulty of maintenance.

In this embodiment, any branch pipe is connected to the corresponding sandwich chamber a through a control valve that can automatically control the opening and closing degree. By adjusting the opening and closing degree of the control valve, the air intake amount of the corresponding sandwich chamber a is controlled, thereby adjusting the corresponding air hole. b air outlet intensity to ensure that the workpiece is always upright during the cleaning process.

In this embodiment, sensors for detecting whether the workpiece in the slot abuts against the side wall of the side plate 32 are respectively installed on both sides of any side plate 32, and when any one of the sensors detects that the workpiece is in contact with the side wall of the side plate 32, When the side wall of the side plate 32 is in contact, the control valve corresponding to the side plate 32 controls its opening and closing to increase, so as to increase the air intake volume of the clamping chamber a, thereby enhancing the air outlet intensity of its air hole b, so as to clamp the workpiece Push to the other side to ensure that the workpiece remains upright during the cleaning process.

In this embodiment, baffles 6 fixed to the bottom plate 31 are provided at both ends of the slot, and the baffles 6 are hollow structures, so that the baffles 6 can prevent the workpieces in the slot from sliding out from both ends of the slot.

In this embodiment, a plurality of baffles 6 fixed to the bottom plate 31 are provided inside the card slot. Each baffle 6 is a hollow structure, and each baffle 6 is arranged from one end to the other end of the card slot at a distance from one end to the other. The card slot is divided into multiple cavities to increase the capacity of the tray 3 .

In this embodiment, a limiting groove is provided on the upper surface of any tray 3, and the limiting groove is located on the same straight line as the limiting post 4 on the tray 3. When each tray 3 is placed in the water tank 1 in sequence, , the limiting column 4 located on the upper pallet 3 can be inserted into the limiting groove located on the lower level to achieve a good positioning effect.

In this embodiment, the high-pressure air flow supply mechanism 2 is fixedly installed on the outer wall of the water tank 1 .

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed in the present invention, implement the technical solutions of the present invention. Equivalent substitutions or changes of the inventive concept thereof shall be included in the protection scope of the present invention.

Claims (6)

1. A solar cell crystalline silicon cleaning device that prevents cleaning dead corners, characterized by including: a sink (1), a tray group, and a high-pressure airflow supply mechanism (2) for providing high-pressure airflow, wherein: The inner wall of the sink (1) is provided with a vertically extending first chute and a second chute arranged opposite to the first chute; the tray group includes at least one tray (3), and one side of the tray (3) There is a first slide block for snapping into the first chute, and a second slide block for snapping into the second chute is provided on the side away from the first slide block; the tray (3) includes a bottom plate (31) and several side plates (32). The bottom plate (31) is a hollow structure. There are vertically arranged and fixed limit columns (4) below the bottom plate (31). Each side plate (32) is fixed on the bottom plate. (31) and leave a gap between any two adjacent side plates (32) to form a slot for the workpiece to be placed; each side plate (32) is provided with a clamping cavity (a), and The clamping cavities (a) on each side plate (32) are connected to each other through the pipeline (5); any two adjacent side plates (32) have a clamping cavity (a) on the side wall close to each other. Connected stomata (b); The high-pressure air flow supply mechanism (2) is detachably connected to the pipeline (5); Sensors for detecting whether the workpiece in the slot abuts against the side walls of the side plate (32) are respectively installed on both side walls of any side plate (32), and when any one of the sensors detects that the workpiece is in contact with the side wall, When the side wall of the plate (32) is against, the control valve corresponding to the side plate (32) controls its opening and closing to increase; both ends of the slot are provided with baffles (6) fixed to the bottom plate (31). And the baffle (6) has a hollow structure. 2. The solar cell crystalline silicon cleaning device that prevents cleaning dead corners according to claim 1, characterized in that the pipeline (5) includes a main pipe and several branch pipes connected to the main pipe, and each branch pipe is sandwiched between each side plate (32). The cavities (a) correspond one to one and are connected to the corresponding clamping cavities (a) respectively. 3. The solar cell crystalline silicon cleaning device that prevents cleaning dead spots according to claim 2, characterized in that any branch pipe is connected to the corresponding clamping chamber (a) through a control valve that can automatically control the opening and closing degree. 4. The solar cell crystalline silicon cleaning device to prevent cleaning dead spots according to claim 1, characterized in that there are a plurality of baffles (6) fixed to the bottom plate (31) inside the slot, and each baffle (6) They are all hollow structures, and each baffle (6) is arranged at a distance from one end to the other end of the card slot to separate the card slot into multiple cavities. 5. The solar cell crystalline silicon cleaning device to prevent cleaning dead spots according to any one of claims 1 to 4, characterized in that there are multiple trays (3), and the upper surface of any one tray (3) is They are all provided with a limiting groove, and the limiting groove is located on the same straight line as the limiting column (4) on the pallet (3). 6. The solar cell crystalline silicon cleaning device that prevents cleaning dead spots according to any one of claims 1 to 4, characterized in that the high-pressure air flow supply mechanism (2) is fixedly installed on the outer wall of the water tank (1).