Device for removing EVA (Ethylene Vinyl Acetate) colloidal particles adhered to high-temperature cloth of laminating machine

Abstract

The utility model discloses a device for removing EVA (Ethylene Vinyl Acetate) colloidal particles adhered to high-temperature cloth of a laminating machine, which comprises a blowing pipe, an exhaust pipe and a conveying component for conveying the high-temperature cloth, and the discharging side of the high-temperature cloth faces the direction of the blowing pipe and the exhaust pipe; the blowing pipe and the exhaust pipe are arranged on the outer side of the conveying assembly in an up-down parallel mode, and the blowing pipe is located below the exhaust pipe. A heating assembly is mounted in the injection pipe, and the heating assembly is positioned above a high-pressure air inlet in the bottom of the injection pipe; one side of an air outlet of the blowing pipe and one side of an air inlet of the exhaust pipe are matched to form an adsorption cavity for blowing and adsorbing colloidal particles on the surface of the high-temperature cloth; high-temperature and high-pressure gas is blown to the discharging side of the high-temperature cloth through the blowing pipe to gasify and decompose colloidal particles attached to the surface of the high-temperature cloth, the colloidal particles on the surface of the high-temperature cloth are effectively removed, and meanwhile the high-temperature cloth is guaranteed not to be damaged in the colloidal particle removing process by means of the high-temperature-resistant characteristic of the high-temperature cloth.

Description

Technical Field

[0001] The utility model relates to the technical field of high-temperature cloth production equipment, in particular to a device for removing EVA particles adhered to the high-temperature cloth of a laminating machine. Background Art

[0002] The EVA film used in the photovoltaic industry when using a laminator to press components will adhere to the high-temperature cloth that covers the components due to high-temperature melting. When the components enter the high-temperature cloth again in the next cycle, the rubber particles will adhere to the surface of the glass plate to form pollution, causing the component products to be unqualified. Cleaning will waste a lot of manpower, so it is necessary to clean the rubber particles adhered to the surface of the high-temperature cloth in a timely manner.

[0003] At present, the method of cleaning the high temperature cloth is generally to clean the high temperature cloth by manual operation. This method is time-consuming and labor-intensive, and improper operation can easily cause damage to the high temperature cloth. In addition, Chinese patent CN2017215149338 discloses a high temperature cloth cleaning device, which includes a cleaning device, which is arranged on one side of the high temperature cloth, and the cleaning device at least includes a brush, the bristles of the brush are in contact with the outside of the high temperature cloth, and also includes a degumming device, and the degumming end of the degumming device faces the bristles of the brush. The utility model cleans the adhesive on the bristles by setting a degumming device to avoid the accumulation of adhesive on the bristles, so that the brush always keeps a clean state, so that the brush can continuously and well clean the adhesive on the high temperature cloth. However, in the process of cleaning the high temperature cloth in this way, the high temperature resistant coating on the surface of the high temperature cloth will be damaged due to the continuous brushing of the brush on the high temperature cloth, thereby reducing the service life of the high temperature cloth. In addition, the cleaned rubber particle debris will fall onto the component, and particle pollution is easily formed during the accumulation process. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a device for removing EVA particles adhered to the high-temperature cloth of a laminator, which can clean the EVA particles adhered to the surface of the high-temperature cloth while ensuring that the high-temperature cloth is not damaged.

[0005] In order to solve the above technical problems, the technical solutions adopted by the present utility model are as follows.

[0006] A device for removing EVA particles adhered to high-temperature cloth of a laminating machine comprises a blowing pipe, an exhaust pipe and a conveying assembly for conveying the high-temperature cloth, wherein the discharge side of the high-temperature cloth faces the blowing pipe and the exhaust pipe; the blowing pipe and the exhaust pipe are arranged vertically and parallelly on the outside of the conveying assembly, and the blowing pipe is located below the exhaust pipe; a heating assembly is installed inside the blowing pipe, and the heating assembly is located above the high-pressure air inlet at the bottom of the blowing pipe; one side of the air outlet of the blowing pipe and the air inlet side of the exhaust pipe cooperate to form a closed adsorption cavity for blowing and adsorbing the particles on the surface of the high-temperature cloth; the exhaust gas outlet of the exhaust pipe is connected to a suction fan.

[0007] The above-mentioned device for removing EVA particles adhered to the high-temperature cloth of the laminating machine, the heating component includes heating tubes which are staggered up and down inside the blowing tube and axially parallel to the blowing tube, and an S-shaped heating channel is formed between adjacent heating tubes.

[0008] In the above-mentioned device for removing EVA particles adhered to the high-temperature cloth of a laminating machine, a slit air outlet is arranged at the tapered nozzle of the blowing pipe, and the slit air outlet is arranged obliquely toward the high-temperature cloth.

[0009] In the above-mentioned device for removing EVA particles adhered to the high-temperature cloth of a laminating machine, the length of the slit air outlet is greater than the width of the high-temperature cloth.

[0010] The above-mentioned device for removing EVA particles adhered to the high-temperature cloth of a laminator, the exhaust pipe includes an inclined air inlet part and a horizontal exhaust part, and the air inlet of the exhaust pipe is open; the upper end of the inclined air inlet part is close to one side of the high-temperature cloth, and the lower end of the inclined air inlet part is away from one side of the high-temperature cloth and abuts against the top of the blowing pipe.

[0011] The above-mentioned device for removing EVA particles adhered to the high-temperature cloth of the laminating machine, the conveying component includes two conveying rollers arranged in parallel up and down, with a certain gap between the two conveying rollers, and the high-temperature cloth passes through the top conveying roller in a C-shaped line from the bottom conveying roller.

[0012] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.

[0013] The utility model provides a device for removing EVA particles adhered to the high-temperature cloth of a laminating machine. The device sprays high-temperature and high-pressure gas to the discharge side of the high-temperature cloth through a spray pipe to gasify and decompose the particles adhered to the surface of the high-temperature cloth, thereby effectively removing the particles on the surface of the high-temperature cloth. At the same time, the high-temperature cloth itself is resistant to high temperatures to ensure that the high-temperature cloth will not be damaged during the process of removing the particles. At the same time, the device cooperates with the exhaust pipe to adsorb the waste gas after the spraying and the particles after the gasification and decomposition for subsequent treatment, thereby avoiding direct diffusion into the air to cause pollution.

[0014] In the utility model, the upper and lower layers of the heating pipe are alternately arranged to form an S-shaped heating channel, which prolongs the heating time and heating path of the high-pressure air and ensures that the high-pressure air after heating can reach the temperature required for the gasification and decomposition of the colloid particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the specific structure of the utility model.

[0016] Among them: 1. Blowing pipe, 2. High-pressure air inlet, 3. Slit air outlet, 4. Exhaust pipe, 5. Exhaust gas outlet, 6. Adsorption cavity, 7. Conveying roller, 8. High-temperature cloth, 9. Heating tube. DETAILED DESCRIPTION

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0018] A device for removing EVA particles adhered to the high temperature cloth of a laminating machine, such as Figure 1 As shown, it includes a blowing pipe 1, an exhaust pipe 4 and a conveying assembly for conveying a high-temperature cloth 8. The blowing pipe 1 and the exhaust pipe 4 are arranged side by side on the outside of the conveying assembly, and the blowing pipe 1 is located below the exhaust pipe 4.

[0019] A heating component is installed inside the blowing pipe 1 , and the heating component is located above the high-pressure air inlet 2 at the bottom of the blowing pipe 1 .

[0020] A slit air outlet 3 is provided at the tapered nozzle of the blowing pipe 1, and the slit air outlet 3 is inclined toward the high-temperature cloth 8, which can ensure that the heated high-pressure air is concentratedly sprayed on the high-temperature cloth 8.

[0021] The nozzle on the blowing pipe 1 is 2-2.5 mm away from the high-temperature cloth, the width of the slit air outlet 3 is 2 mm, and the length of the slit air outlet 3 is greater than the width of the high-temperature cloth.

[0022] The air pressure introduced at the high-pressure air inlet 2 of the blowing pipe is between 18 and 20 kPa, the wind speed on one side of the slit air outlet 3 of the blowing pipe is 10 to 15 m / s, and the air temperature after heating by the heating component is between 240 and 260°C.

[0023] The heating assembly includes heating tubes 9 arranged in an up-and-down manner inside the blowing tube 1. Figure 1 As shown, the heating tube 9 is axially arranged parallel to the blowing tube 1, and an S-shaped heating channel is formed between adjacent heating tubes 9, which can extend the heating time of the high-pressure air entering the blowing tube 1 to ensure that a suitable blowing temperature is reached.

[0024] The exhaust pipe 4 includes an inclined air inlet and a horizontal exhaust part. The air inlet of the exhaust pipe 4 is open, and the upper end of the inclined air inlet is close to the high-temperature cloth 8, and the lower end of the inclined air inlet is away from the high-temperature cloth 8 and abuts against the top of the blowing pipe 1. The exhaust gas outlet 5 at one end of the exhaust pipe 4 is connected to the suction fan.

[0025] The air inlet side of the exhaust pipe 4 and the air outlet side of the blowing pipe 1 cooperate to form a closed adsorption cavity 6 for spraying and adsorbing the rubber particles on the surface of the high-temperature cloth, which can prevent the exhaust gas after spraying and the larger particles blown up from directly escaping into the air and causing environmental pollution.

[0026] The conveying assembly comprises two conveying rollers 7 arranged in parallel up and down, and a certain gap is provided between the two conveying rollers 7 .

[0027] During the conveying process, the high-temperature cloth 8 passes through the top conveying roller 7 from the bottom conveying roller 7 in a C-shaped line and moves along the dotted line direction in the figure. At the same time, the discharge side of the high-temperature cloth 8 faces the direction of the blowing pipe 1 and the exhaust pipe 4.

[0028] During specific use, high-pressure air enters the blowing pipe 1 from the high-pressure air inlet 2, and is heated to a suitable temperature by the heating component and then sprayed toward the high-temperature cloth 8 from the slit air outlet 3. The high-temperature and high-speed airflow in the blowing pipe 1 vaporizes and decomposes the rubber particles attached to the surface of the high-temperature cloth 8, and some large particles are blown away from the surface of the high-temperature cloth by the high-speed airflow. The exhaust pipe 4 inhales the waste gas after spraying and the larger particles blown up by the high-speed airflow, and cooperates with the suction fan at the exhaust pipe outlet to make the exhaust pipe 4 adsorb the cleaned rubber particles and then discharge them.

[0029] The utility model provides a device for removing EVA particles adhered to the high-temperature cloth of a laminating machine. The device sprays high-temperature and high-pressure gas to the discharge side of the high-temperature cloth through a spray pipe to gasify and decompose the particles adhered to the surface of the high-temperature cloth, thereby effectively removing the particles on the surface of the high-temperature cloth. At the same time, the high-temperature cloth itself is resistant to high temperatures to ensure that the high-temperature cloth will not be damaged during the process of removing the particles. At the same time, the device cooperates with the exhaust pipe to adsorb the waste gas after the spraying and the particles after the gasification and decomposition for subsequent treatment, thereby avoiding direct diffusion into the air to cause pollution.

[0030] In the utility model, the upper and lower layers of the heating pipe are alternately arranged to form an S-shaped heating channel, which prolongs the heating time and heating path of the high-pressure air and ensures that the high-pressure air after heating can reach the temperature required for the gasification and decomposition of the colloid particles.

Claims

1. A device for removing EVA particles adhered to high temperature cloth of a laminating machine, characterized in that: The invention comprises a blowing pipe (1), an exhaust pipe (4) and a conveying assembly for conveying a high-temperature cloth (8), wherein the discharge side of the high-temperature cloth (8) faces the blowing pipe (1) and the exhaust pipe (4); the blowing pipe (1) and the exhaust pipe (4) are arranged side by side on the outside of the conveying assembly, and the blowing pipe (1) is located below the exhaust pipe (4); a heating assembly is installed inside the blowing pipe (1), and the heating assembly is located above the high-pressure air inlet (2) at the bottom of the blowing pipe (1); the air outlet side of the blowing pipe (1) and the air inlet side of the exhaust pipe (4) cooperate to form a closed adsorption cavity (6) for spraying and adsorbing the rubber particles on the surface of the high-temperature cloth; the exhaust gas outlet (5) of the exhaust pipe (4) is connected to a suction fan.

2. The device for removing EVA particles adhered to the high temperature cloth of the laminating machine according to claim 1, characterized in that: The heating assembly comprises heating tubes (9) which are arranged in an up-and-down staggered manner inside the blowing tube (1) and are arranged axially parallel to the blowing tube (1), and an S-shaped heating channel is formed between adjacent heating tubes (9).

3. The device for removing EVA particles adhered to the high temperature cloth of a laminating machine according to claim 1, characterized in that: A slit air outlet (3) is provided at the tapered nozzle of the blowing pipe (1), and the slit air outlet (3) is arranged to be inclined toward the high-temperature cloth (8).

4. The device for removing EVA particles adhered to the high temperature cloth of a laminating machine according to claim 3, characterized in that: The length of the slit air outlet (3) is greater than the width of the high-temperature cloth (8).

5. The device for removing EVA particles adhered to the high temperature cloth of a laminating machine according to claim 1, characterized in that: The exhaust pipe (4) comprises two parts, an inclined air inlet portion and a horizontal exhaust portion, and the air inlet of the exhaust pipe (4) is open; the upper end of the inclined air inlet portion is close to one side of the high-temperature cloth (8), and the lower end of the inclined air inlet portion is away from one side of the high-temperature cloth (8) and abuts against the top of the blowing pipe (1).

6. The device for removing EVA particles adhered to the high temperature cloth of a laminating machine according to claim 1, characterized in that: The conveying assembly comprises two conveying rollers (7) arranged in parallel up and down, with a certain gap between the two conveying rollers (7), and the high-temperature cloth (8) passes from the bottom conveying roller (7) around the top conveying roller (7) in a C-shaped line.

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