CN205056521U - Quick belt cleaning device - Google Patents

Abstract

The utility model relates to the field of solar cell sheet manufacturing equipment, and discloses a quick cleaning device, which includes a cleaning box, a spray mechanism, a transmission mechanism and a liquid storage box, and a liquid discharge is arranged between the cleaning box and the liquid storage box One end of the drain pipe and return pipe is inserted into the cleaning box, and the other end is inserted into the liquid storage box. The spray mechanism and the transmission mechanism are installed in the cleaning box. The spray mechanism is divided into upper spray mechanism and The lower spraying mechanism includes a spray pipe and a regulating valve for adjusting the liquid flow rate. There are holes on the spray pipe, and the number of holes is one or more. The transmission mechanism is located between the upper spraying mechanism and the lower spraying mechanism. Between, the transmission mechanism supports the parts to be cleaned; in the utility model, the parts to be cleaned are placed on the transmission mechanism in the cleaning box and immersed in the liquid medicine, and the spray mechanism rinses the upper and lower surfaces of the parts to be cleaned, which not only does not damage The parts to be cleaned, and the cleaning effect is good.

Description

A quick cleaning device

technical field

The utility model relates to the field of solar cell sheet manufacturing equipment, in particular to a quick cleaning device.

Background technique

In recent years, the production technology of solar cells has been continuously improved, the production cost has been continuously reduced, and the conversion efficiency has been continuously improved. The application of photovoltaic power generation has become increasingly popular and developed rapidly, and it has gradually become an important source of power supply. A solar cell is a photoelectric element that converts energy. It can convert the energy of light into electrical energy under the irradiation of sunlight, thereby realizing photovoltaic power generation. The process of producing cells is relatively complicated, and generally involves major steps such as slicing, texturing, diffusion, etching, dephosphorous silicon glass cleaning, deposition of anti-reflective coatings, screen printing, sintering and testing.

During the production process of solar cells, silicon wafers processed through multiple processes such as slicing, grinding, chamfering, and polishing have adsorbed various impurities on the surface, such as particles, metal particles, silicon powder dust, and organic impurities. Therefore, it is necessary to Cleaning with chemical liquid to remove organic matter or metal pollution, to ensure the surface of the silicon wafer is clean, or to corrode the surface of the silicon wafer to reduce the reflectivity of the surface, etc. Cleaning or corrosion is an indispensable process step in the current solar cell production process, so It can be seen that the purpose of cleaning solar cells is to eliminate various pollutants, and the cleanliness of cleaning directly affects the yield and reliability of cells.

The cleaning process of solar cells involves a chemically treated tank, in which the chemical solution is placed, and the cells are placed in the tank, and the cells are rinsed through the slow flow of the chemical solution, so the cleaning efficiency is low. In addition, there is also a method to use a nozzle to rinse the battery sheet, but due to the longer reaction time required, the concentration of the chemical solution is also required to be higher. The cleaning effect of this method is slightly improved, but the cleaning efficiency is low. At the same time, high concentration The liquid medicine is toxic and corrosive, and there is a great potential safety hazard, which is not conducive to the health of operators.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a quick cleaning device. The parts to be cleaned are placed on the transmission mechanism in the cleaning box and immersed in the liquid medicine. The spray mechanism rinses the upper and lower surfaces of the parts to be cleaned, not only It does not damage the parts to be cleaned, and the cleaning effect is good.

In order to solve the above technical problems, the utility model provides a quick cleaning device, which includes a cleaning box, a spray mechanism, a transmission mechanism and a liquid storage box. The liquid discharge pipe and the return pipe, one end of the liquid discharge pipe and the return pipe are inserted into the cleaning box, and the other end is inserted into the liquid storage box, the spray mechanism and the transmission mechanism are installed in the In the cleaning box, the spraying mechanism is divided into an upper spraying mechanism and a lower spraying mechanism. The upper spraying mechanism includes an upper nozzle and an upper regulating valve for adjusting the flow rate of the liquid. There are upper holes, the number of the upper holes is one or more, the lower spray mechanism includes a lower nozzle and a lower regulating valve for adjusting the liquid flow rate, the lower nozzle is provided with a lower hole, The number of the lower holes is one or more, the transmission mechanism is located between the upper spraying mechanism and the lower spraying mechanism, and the transmission mechanism supports the parts to be cleaned.

Preferably, the cleaning box adopts a sealed box structure, the cleaning box is provided with an air exhaust port, and an air exhaust pipe is fixedly installed at the air exhaust port.

Preferably, the upper holes and the lower holes are arranged in a straight line on the surfaces of the upper nozzle and the lower nozzle respectively, and the spraying directions of the upper holes and the lower holes are both facing the transmission mechanism.

Specifically, the transmission mechanism is a transmission roller, and the transmission rollers are distributed in upper and lower layers. There is a transmission space between the upper and lower layers of transmission rollers, and the parts to be cleaned are placed in the transmission space.

Preferably, the distance between the upper and lower layers of driving rollers is 0.2-1 mm.

In detail, a pump is provided between the cleaning tank and the liquid storage tank, and the pump can transport the liquid in the liquid storage tank to the cleaning tank through the return pipe.

Preferably, the pump is connected with a first pneumatic control valve, and the first pneumatic control valve is a normally open pneumatic control valve.

Preferably, the upper regulating valve and the lower regulating valve are respectively connected with a second pneumatic control valve, and the second pneumatic control valve controls the opening and closing of the upper regulating valve and the lower regulating valve.

Further, the number of the upper holes and the number of the lower holes may be the same or different.

A quick cleaning device of the present utility model has the following beneficial effects:

1. The cleaning box in a quick cleaning device of the present utility model adopts a sealed box structure, and the chemical reaction gas and the volatilized gas of the liquid medicine are discharged through the air outlet, so as to avoid the danger to the operator caused by the toxicity and corrosiveness of the liquid medicine.

2. The spraying mechanism in a quick cleaning device of the present invention is divided into an upper spraying mechanism and a lower spraying mechanism, and the upper and lower surfaces of the parts to be cleaned are rinsed at the same time, which not only improves the working efficiency, but also has a good cleaning effect.

3. In a quick cleaning device of the present utility model, the regulating valve is used to control the outflow speed of the Chinese medicinal liquid in the hole, which can artificially control the cleaning efficiency and cleaning effect.

4. In a quick cleaning device of the present invention, the liquid medicine in the cleaning box and the liquid storage box can be recycled, and only need to replenish the liquid medicine to the liquid storage box regularly, saving cost.

5. In a quick cleaning device of the present utility model, the parts to be cleaned are completely submerged in the liquid medicine in the cleaning box, which not only improves the cleaning effect, but also appropriately reduces the concentration of the liquid medicine.

6. A quick cleaning device of the present utility model has simple structure, low cost, is suitable for mass production, and has good market promotion value.

Description of drawings

In order to illustrate the technical solution of the utility model more clearly, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some of the utility models. Embodiments, for those skilled in the art, other drawings can also be obtained according to these drawings without creative work.

Fig. 1 is the structural representation of a kind of fast cleaning device of the present utility model;

Fig. 2 is a schematic structural view of the spray mechanism in a quick cleaning device embodiment of the present invention;

In the figure: 1- cleaning box, 21- upper nozzle, 31- upper hole, 41- upper regulating valve, 22- lower nozzle, 32- lower hole, 42- lower regulating valve, 5- transmission mechanism, 6- Liquid storage tank, 7-drainage pipe, 8-return pipe, 9-pump, 10-first pneumatic control valve, 11-second pneumatic control valve, 12-air exhaust port.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In one embodiment, as shown in Figure 1 and Figure 2, the quick cleaning device in this embodiment uses acid to clean the battery slices, the device includes a cleaning box 1, a spray mechanism, a transmission mechanism 5 and a liquid storage Box 6, the spray mechanism and the transmission mechanism 5 are all installed in the cleaning box 1, the spray mechanism is divided into an upper spray mechanism and a lower spray mechanism, and the upper spray mechanism includes There is an upper spray pipe 21 and an upper regulating valve 41 for adjusting the flow rate of the liquid. The upper spray pipe 21 is provided with an upper hole 31. The lower spray mechanism includes a lower spray pipe 22 and a lower valve for adjusting the flow rate of the liquid. Adjust the valve 42, the lower nozzle 22 is provided with a lower hole 32, the transmission mechanism 5 is a transmission roller, and the transmission roller is distributed in upper and lower layers, and there is a transmission space between the upper and lower transmission rollers. The battery is placed in the space. Since the thickness of the battery is 0.15mm, the distance between the upper and lower two layers of driving rollers is 0.2mm, and a drain is provided between the cleaning box 1 and the liquid storage box 6 The tube 7 and the return tube 8 , one end of the drain tube 7 and the return tube 8 are inserted into the cleaning tank 1 , and the other end is inserted into the liquid storage tank 6 .

When the cleaning device is in working condition, the acid liquid level in the cleaning box 1 is required to be higher than the position of the transmission mechanism 5, so that the cells are completely submerged in the acid liquid. In addition, the A pump 9 is also provided between the cleaning box 1 and the liquid storage box 6, and when the liquid level of the acid liquid in the cleaning box 1 is lower than a specified height, the pump 9 can remove the liquid storage box 6 The acid liquid in the interior is transported into the cleaning box 1 through the return pipe 8, and at the same time, when the liquid level of the acid liquid in the cleaning box 1 is higher than the specified height, under the action of gravity, the cleaning The acid liquid in the tank 1 flows into the liquid storage tank 6 through the drain pipe 7, so as to realize the recycling of the acid liquid, and it only needs to replenish the acid liquid in the liquid storage tank 6 regularly.

In addition, the cleaning box 1 adopts a sealed box structure, and the cleaning box 1 is provided with an air outlet 12, and the air outlet 12 is fixed with an air exhaust pipe. There will be chemical reaction in the process, and there will be reaction gas, and the acid liquid has a certain volatility, and there will be acid liquid gas, so it needs to be discharged through the air outlet 12.

In this embodiment, the number of upper holes 31 in the upper spraying mechanism is the same as the number of lower holes 32 in the lower spraying mechanism and both are 43. The upper holes 31 and the lower holes 32 are respectively in The surfaces of the upper nozzle 21 and the lower nozzle 22 are arranged in a straight line, the spraying directions of the upper hole 31 and the lower hole 32 are facing the transmission mechanism 5, and the pump 9 is connected with a first pneumatic Control valve 10, the first pneumatic control valve 10 is a normally open pneumatic control valve, used to control the acid liquid height in the cleaning tank 1 to maintain within a specified height range, the upper regulating valve 41 and the lower regulating valve 41 The adjustment valves 42 are respectively connected with the second pneumatic control valve 11 , and the second pneumatic control valve 11 controls the opening and closing of the upper adjustment valve 41 and the lower adjustment valve 42 .

The specific working process of the quick cleaning device of the present utility model is as follows: the batteries are placed in the transmission space between the upper and lower two layers of transmission rollers, the acid solution is contained in the cleaning box 1, and the liquid level of the acid solution is required to be higher than the specified height , to ensure that the acid solution can completely immerse the battery sheet, the second pneumatic control valve 11 controls the upper adjustment valve 41 and the lower adjustment valve 42 to open, and the upper hole 31 on the upper nozzle 21 and the lower hole 32 on the lower nozzle 22 are all facing the battery The acid liquid is sprayed to ensure a good cleaning effect. At the same time, when the liquid level of the acid liquid in the cleaning tank 1 is lower than the specified height, the pump 9 transports the acid liquid in the liquid storage tank 6 to the cleaning tank through the return pipe 8. In the box body 1, when the liquid level of the acid liquid in the cleaning box body 1 is higher than the specified height, under the action of gravity, the acid liquid in the cleaning box body 1 flows into the liquid storage box body 6 through the drain pipe 7. A pneumatic control valve 10 controls the height of the acid liquid in the cleaning tank 1 to maintain within the specified height range. This device realizes the recycling of the acid liquid, and only needs to replenish the acid liquid in the liquid storage tank 6 regularly. At this time , the acid solution in the cleaning box 1 is flowing slowly, realizing the flushing of the surface of the cell. In addition, during the cleaning process, there is a chemical reaction, which will generate reactive gas, and the acid solution has a certain volatility, which will Acid liquid gas is generated, and the cleaning box body 1 of the device is provided with an air exhaust port 12, which can discharge the gas.

A quick cleaning device of the present utility model has the following beneficial effects:

1. The cleaning box in a quick cleaning device of the present utility model adopts a sealed box structure, and the chemical reaction gas and the volatilized gas of the liquid medicine are discharged through the air outlet, so as to avoid the danger to the operator caused by the toxicity and corrosiveness of the liquid medicine.

2. The spraying mechanism in a quick cleaning device of the present invention is divided into an upper spraying mechanism and a lower spraying mechanism, and the upper and lower surfaces of the parts to be cleaned are rinsed at the same time, which not only improves the working efficiency, but also has a good cleaning effect.

3. In a quick cleaning device of the present utility model, the regulating valve is used to control the outflow speed of the Chinese medicinal liquid in the hole, which can artificially control the cleaning efficiency and cleaning effect.

4. In a quick cleaning device of the present invention, the liquid medicine in the cleaning box and the liquid storage box can be recycled, and only need to replenish the liquid medicine to the liquid storage box regularly, saving costs.

5. In a quick cleaning device of the present utility model, the parts to be cleaned are completely submerged in the liquid medicine in the cleaning box, which not only improves the cleaning effect, but also appropriately reduces the concentration of the liquid medicine.

6. A quick cleaning device of the present utility model has simple structure, low cost, is suitable for mass production, and has good market promotion value.

The above is a preferred embodiment of the present utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, some improvements and modifications can also be made, these improvements and modifications It is also regarded as the protection scope of the present utility model.

Claims (9)

1. a Quick cleaning device, it is characterized in that, comprise cleaning casing (1), spraying mechanism, transmission mechanism (5) and liquid storage casing (6), discharging tube (7) and return duct (8) is provided with between described cleaning casing (1) and described liquid storage casing (6), described discharging tube (7) and return duct (8) all insert in described cleaning casing (1) in one end, and the other end inserts in described liquid storage casing (6), described spraying mechanism and described transmission mechanism (5) are installed in described cleaning casing (1)

Described spraying mechanism is divided into spraying mechanism and lower spraying mechanism, described upper spraying mechanism includes jet pipe (21) and the upper control valve (41) for regulates liquid flow velocity, described upper jet pipe (21) is provided with hole (31), the quantity of described upper hole (31) is one or more, described lower spraying mechanism includes lower jet pipe (22) and the lower control valve (42) for regulates liquid flow velocity, described lower jet pipe (22) is provided with lower hole (32), the quantity of described lower hole (32) is one or more

Described transmission mechanism (5) is between upper spraying mechanism and lower spraying mechanism, and described transmission mechanism (5) holder carries to be cleaned.

2. Quick cleaning device according to claim 1, it is characterized in that, described cleaning casing (1) adopts seal case structure, and described cleaning casing (1) is provided with suction opeing (12), described suction opeing (12) place fixed installation exhaust column.

3. Quick cleaning device according to claim 1 and 2, it is characterized in that, described upper hole (31) and described lower hole (32) respectively on described jet pipe (21) and described lower jet pipe (22) surface be arranged in a linear, the sprinkling direction of described upper hole (31) and described lower hole (32) is all just to described transmission mechanism (5).

4. Quick cleaning device according to claim 3, it is characterized in that, described transmission mechanism (5) is live roller, and described live roller is upper and lower double-layer separate cloth, be transmission space between upper and lower two-layer live roller, in described transmission space, place to be cleaned.

5. Quick cleaning device according to claim 4, is characterized in that, the spacing of described upper and lower two-layer live roller is 0.2 ~ 1mm.

6. the Quick cleaning device according to claim 1,2,4 or 5, it is characterized in that, be provided with pump (9) between described cleaning casing (1) and described liquid storage casing (6), the liquid in liquid storage casing (6) can be delivered to described cleaning casing (1) by described return duct (8) by described pump (9).

7. Quick cleaning device according to claim 6, is characterized in that, described pump (9) is connected with the first pneumatic control valve (10), and described first pneumatic control valve (10) is for often to drive pneumatic control valve.

8. Quick cleaning device according to claim 7, it is characterized in that, described upper control valve (41) and described lower control valve (42) are connected with the second pneumatic control valve (11) respectively, and described second pneumatic control valve (11) controls the opening and closing of described upper control valve (41) and described lower control valve (42).

9. the Quick cleaning device according to claim 1 or 8, is characterized in that, described upper hole (31) quantity can be identical with described lower hole (32) quantity, also can not be identical.