Solar heat collecting tube coating machine

Abstract

The utility model provides a solar heat collecting tube coating machine which comprises a base, a coating unit and a supporting unit, a groove is formed in the top of the base, and the coating unit and the supporting unit are arranged at the two ends of the groove respectively; the coating unit comprises a first frame body, a first rotating device, a vacuumizing device, a plurality of placing grooves, a plurality of air exhaust holes, a plurality of rotating discs, a plurality of evaporation grooves and a plurality of weight increasing blocks, the first frame body is connected with the base, the first rotating device is arranged at the top of the first frame body, and the first rotating device is connected with the first frame body. By utilizing the coordination effect of the weight increasing block and the turntable, the evaporation coating material part of the evaporation tank is always kept in an upward state, the evaporation tank extends into the heat collecting pipe for coating, and the heat collecting pipe is driven by the vacuumizing device to rotate in the coating process, so that the heat collecting pipe is prevented from being damaged. Therefore, the inner wall of the heat collecting tube is in a rotary motion state relative to the evaporation part of the evaporation tank, and the inner wall of the heat collecting tube is coated with a film more uniformly and fully.

Description

Technical Field

[0001] The utility model relates to a coating machine, in particular to a solar heat collecting tube coating machine, belonging to the technical field of solar heat collecting tube production. Background Art

[0002] In the manufacturing process of modern solar collector tubes, coating technology is a crucial link, which directly affects the performance and efficiency of the collector tube. The inner wall coating of the collector tube usually needs to form a uniform and efficient light absorption layer to improve the heat collection efficiency and enhance the durability of the tube body.

[0003] In traditional coating technology, the evaporation and deposition process of the coating material often faces the problem of uneven deposition of the coating material, resulting in uneven thickness of the coating layer on the inner wall of the collector tube, which may affect the collection efficiency. Utility Model Content

[0004] Based on the above background, the purpose of the present invention is to provide a solar collector tube coating machine that can coat the film uniformly and is easy to operate, so as to solve the problems described in the background technology.

[0005] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0006] A solar collector tube coating machine comprises a base, a coating unit and a support unit, wherein a groove is provided on the top of the base, and the coating unit and the support unit are respectively provided at both ends of the groove;

[0007] The coating unit includes a first frame, a first rotating device, a vacuum device, a plurality of placement slots, a plurality of exhaust holes, a plurality of turntables, a plurality of evaporation slots and a plurality of weight blocks, wherein the first frame is connected to the base, a first rotating device is arranged on the top of the first frame, the first rotating device is connected to the first frame, a vacuum device is arranged on the rotating end of the first rotating device, the vacuum device is connected to the first rotating device, a plurality of placement slots are arranged on the side of the vacuum device away from the first rotating device, exhaust holes are arranged in the placement slots, the exhaust holes are connected to the vacuum device, a turntable is arranged in the placement slot, one end of the turntable is connected to the vacuum device, an evaporation slot is arranged on the other end of the turntable, the evaporation slot is connected to the turntable, a weight block is arranged at the lower part of the evaporation slot, and the weight block is connected to the evaporation slot.

[0008] Place the coating material in the evaporation tank, and then connect the heat collecting tube to be coated to the vacuum device through the placement tank to ensure that the connection between the two is sealed. Start the vacuum device to extract the air in the heat collecting tube to create a vacuum environment. Heat the evaporation tank, and the coating material evaporates. The coating material evaporates to form a gas phase, and is deposited on the inner wall of the heat collecting tube through electrostatic force or sputtering in a vacuum environment. Then start the first rotating device, and at this time, the vacuum device will drive the various heat collecting tubes connected to it to rotate. Since a weight block is set at the bottom of the evaporation tank, and under the action of the turntable, the evaporation tank will always keep its evaporation part facing upward, and the heat collecting tube is driven to rotate by the vacuum device, so that the inner wall of the heat collecting tube is in a state of rotation relative to the evaporation part of the evaporation tank, thereby making the coating of the inner wall of the heat collecting tube more uniform and sufficient.

[0009] Preferably, the supporting unit includes an electric slide rail, a second frame, a second rotating device, a supporting plate and a plurality of supporting grooves, the electric slide rail is connected to the base, the second frame is arranged at the sliding end of the electric slide rail, the second frame is connected to the electric slide rail, a second rotating device is arranged on the top of the second frame, the second rotating device is connected to the second frame, a supporting plate is arranged at the rotating end of the second rotating device, the supporting plate is connected to the second rotating device, a plurality of supporting grooves are provided on the side of the support plate away from the second rotating device, and the supporting grooves correspond one-to-one to the placement grooves.

[0010] When the electric slide rail drives the second bracket away from the coating unit, it is convenient to install the heat collecting tube before or after coating onto the coating unit or remove the coating unit; when the electric slide rail drives the second bracket close to the coating unit, one end of the heat collecting tube connected to the coating unit can be placed in the supporting groove on the supporting plate, and when the coating unit rotationally coats the heat collecting tube, the output end of the second rotating device can drive the supporting plate and the vacuum device of the coating unit to rotate synchronously, thereby supporting the heat collecting tube during coating.

[0011] Preferably, the solar collector tube coating machine also includes a control panel, which is connected to the first frame, and the control panel is electrically connected to the electric slide rail, the first rotating device and the second rotating device.

[0012] The operator can start, stop and adjust the electric slide rail, the first rotating device and the second rotating device through the control panel to ensure the smooth progress of the entire coating process.

[0013] Preferably, the vacuum pumping device and the supporting plate are coaxially arranged.

[0014] The rotational movements of the vacuum device and the support plate can be more synchronized and stable.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] The utility model discloses a solar collector tube coating machine, which utilizes the coordinated effect of a weight-added block and a turntable to keep the evaporation coating material portion of the evaporation tank facing upward at all times, while the evaporation tank extends into the collector tube for coating. During the coating process, the collector tube is driven to rotate by a vacuum pump, so that the inner wall of the collector tube is in a state of rotational motion relative to the evaporation portion of the evaporation tank, thereby making the coating of the inner wall of the collector tube more uniform and sufficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0018] Figure 1 It is an overall schematic diagram of the utility model solar heat collecting tube coating machine;

[0019] Figure 2 It is a schematic diagram of the coating unit structure of the solar collector tube coating machine of the utility model;

[0020] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure of part A;

[0021] Figure 4 It is a cross-sectional view of the solar heat collecting tube coating machine of the utility model;

[0022] Figure 5 It is a working schematic diagram of the utility model solar heat collecting tube coating machine.

[0023] In the figure: 1. base; 2. coating unit; 201. first frame; 202. first rotating device; 203. vacuum device; 204. placement tank; 205. turntable; 206. evaporation tank; 207. weight block; 3. support unit; 301. electric slide rail; 302. second frame; 303. second rotating device; 304. support plate; 305. support tank; 4. groove; 5. control panel; 6. heat collecting tube. DETAILED DESCRIPTION

[0024] The technical solution of the utility model is further described in detail below through specific embodiments and in combination with the accompanying drawings. It should be understood that the implementation of the utility model is not limited to the following embodiments, and any form of modification and / or change made to the utility model will fall within the protection scope of the utility model.

[0025] In the present invention, unless otherwise specified, all parts and percentages are weight units, and the equipment and raw materials used can be purchased from the market or are commonly used in the field. The methods in the following embodiments, unless otherwise specified, are conventional methods in the field. The components or equipment in the following embodiments, unless otherwise specified, are universal standard parts or components known to those skilled in the art, and their structures and principles are known to those skilled in the art through technical manuals or conventional experimental methods.

[0026] The following is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. In the following detailed description, for ease of explanation, many specific details are described to provide a comprehensive understanding of the embodiments of the present invention. However, one or more embodiments may also be implemented by those skilled in the art without these specific details.

[0027] like Figure 1 -like Figure 4 A solar collector tube coating machine includes a base 1, a coating unit 2 and a support unit 3. A groove 4 is provided on the top of the base 1, and the coating unit 2 and the support unit 3 are respectively arranged at both ends of the groove 4.

[0028] The coating unit 2 includes a first frame 201, a first rotating device 202, a vacuum device 203, a plurality of placement slots 204, a plurality of exhaust holes, a plurality of turntables 205, a plurality of evaporation slots 206 and a plurality of weight blocks 207. The first frame 201 is connected to the base 1. The first rotating device 202 is arranged on the top of the first frame 201. The first rotating device 202 is connected to the first frame 201. The vacuum device 203 is arranged at the rotating end of the first rotating device 202. The vacuum device 203 is connected to the first The rotating device 202 is connected, and several placement grooves 204 are opened on the side of the vacuum device 203 away from the first rotating device 202. The placement grooves 204 are opened with exhaust holes, and the exhaust holes are connected with the vacuum device 203. A turntable 205 is set in the placement grooves 204. One end of the turntable 205 is connected to the vacuum device, and the other end of the turntable 205 is set with an evaporation groove 206, and the evaporation groove 206 is connected to the turntable 205. A weight block 207 is set at the lower part of the evaporation groove 206, and the weight block 207 is connected to the evaporation groove 206.

[0029] like Figure 5 As shown, the coating material is placed in the evaporation tank 206, and then the heat collecting pipe 6 to be coated is connected to the vacuum device 203 through the placement tank 204 to ensure that the connection between the two is sealed.

[0030] The vacuum device 203 is started to extract the air in the heat collecting tube 6 to create a vacuum environment. The evaporation tank 206 is heated to evaporate the coating material, which evaporates to form a gas phase and is deposited on the inner wall of the heat collecting tube 6 by electrostatic force or sputtering in the vacuum environment.

[0031] The first rotating device 202 is started again, and at this time, the vacuum device 203 will drive the heat collecting tubes 6 connected thereto to rotate. Since the weight block 207 is arranged at the bottom of the evaporation tank 206, and under the action of the turntable 205, the evaporation tank 206 will always keep its evaporation part facing upward, and the heat collecting tube 6 is driven to rotate by the vacuum device 203, so that the inner wall of the heat collecting tube 6 is in a state of rotation relative to the evaporation part of the evaporation tank 206, thereby making the inner wall of the heat collecting tube 6 more uniform and sufficient.

[0032] The support unit 3 includes an electric slide rail 301, a second frame 302, a second rotating device 303, a support plate 304 and several support grooves 305. The electric slide rail 301 is connected to the base 1. The second frame 302 is set at the sliding end of the electric slide rail 301. The second frame 302 is connected to the electric slide rail 301. The second rotating device 303 is set at the top of the second frame 302. The second rotating device 303 is connected to the second frame 302. A support plate 304 is set at the rotating end of the second rotating device 303. The support plate 304 is connected to the second rotating device 303. Several support grooves 305 are opened on the side of the support plate 304 away from the second rotating device 303, and the support grooves 305 correspond to the placement grooves 204 one by one.

[0033] When the electric slide rail 301 drives the second bracket away from the coating unit 2, it is convenient to install the heat collecting tube 6 before or after coating onto the coating unit 2 or remove the coating unit 2; when the electric slide rail 301 drives the second bracket close to the coating unit 2, one end of the heat collecting tube 6 connected to the coating unit 2 can be placed in the support groove 305 on the support plate 304, and when the coating unit 2 performs rotary coating on the heat collecting tube 6, the output end of the second rotating device 303 can drive the support plate 304 and the vacuum device 203 of the coating unit 2 to rotate synchronously, thereby supporting the heat collecting tube 6 during coating. The vacuum device 203 and the support plate 304 are coaxially arranged. The rotational motion of the vacuum device 203 and the support plate 304 can be more synchronous and stable.

[0034] The solar collector tube coating machine further includes a control panel 5 , which is connected to the first frame 201 , and the control panel 5 is electrically connected to the electric slide rail 301 , the first rotating device 202 and the second rotating device 303 .

[0035] The operator can start, stop and adjust the electric slide rail 301, the first rotating device 202 and the second rotating device 303 through the control panel 5 to ensure the smooth progress of the entire coating process.

[0036] The operating steps of the solar collector tube coating machine of the utility model are as follows:

[0037] First, the electric slide rail 301 drives the second bracket away from the coating unit 2, and the coating material is placed in the evaporation tank 206, and then the heat collecting tube 6 to be coated is connected to the vacuum device 203 through the placement tank 204 to ensure that the connection between the two is sealed. Then, the electric slide rail 301 drives the second bracket close to the coating unit 2, and one end of the heat collecting tube 6 is placed in the support tank 305 on the support plate 304.

[0038] The vacuum device 203 is started to extract the air in the heat collecting tube 6 to create a vacuum environment. The evaporation tank 206 is heated to evaporate the coating material, which evaporates to form a gas phase and is deposited on the inner wall of the heat collecting tube 6 by electrostatic force or sputtering in the vacuum environment.

[0039] Then the first rotating device 202 and the second rotating device 303 are started, at which time the vacuum device 203 and the support plate 304 will drive the heat collecting tubes 6 connected thereto to rotate. Since the weight block 207 is arranged at the bottom of the evaporation tank 206 and under the action of the rotating plate 205, the evaporation tank 206 will always keep its evaporation part facing upward, and the heat collecting tube 6 is driven to rotate by the vacuum device 203, so that the inner wall of the heat collecting tube 6 is in a state of rotation relative to the evaporation part of the evaporation tank 206, thereby making the inner wall of the heat collecting tube 6 more uniform and sufficient.

[0040] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A solar collector tube coating machine, characterized in that: The solar heat collecting tube coating machine comprises a base (1), a coating unit (2) and a support unit (3); a groove (4) is provided on the top of the base (1); and the coating unit (2) and the support unit (3) are respectively arranged at two ends of the groove (4); The coating unit (2) comprises a first frame (201), a first rotating device (202), a vacuum device (203), a plurality of placement slots (204), a plurality of exhaust holes, a plurality of turntables (205), a plurality of evaporation slots (206) and a plurality of weight-increasing blocks (207), wherein the first frame (201) is connected to the base (1), a first rotating device (202) is arranged on the top of the first frame (201), the first rotating device (202) is connected to the first frame (201), a vacuum device (203) is arranged at the rotating end of the first rotating device (202), and the vacuum device (203) and the first rotating device are connected to each other. (202), a plurality of placement grooves (204) are provided on a side of the vacuum extraction device (203) away from the first rotating device (202), a suction hole is provided in the placement groove (204), and the suction hole is communicated with the vacuum extraction device (203), a turntable (205) is provided in the placement groove (204), one end of the turntable (205) is connected to the vacuum extraction device, an evaporation groove (206) is provided at the other end of the turntable (205), and the evaporation groove (206) is connected to the turntable (205), a weight-added block (207) is provided at the lower part of the evaporation groove (206), and the weight-added block (207) is connected to the evaporation groove (206).

2. The solar collector tube coating machine according to claim 1, characterized in that: The support unit (3) comprises an electric slide rail (301), a second frame (302), a second rotating device (303), a support plate (304) and a plurality of support grooves (305); the electric slide rail (301) is connected to the base (1); the second frame (302) is arranged at the sliding end of the electric slide rail (301); the second frame (302) is connected to the electric slide rail (301); the second rotating device (303) is arranged at the top of the second frame (302); the second rotating device (303) is connected to the second frame (302); the support plate (304) is arranged at the rotating end of the second rotating device (303); the support plate (304) is connected to the second rotating device (303); a plurality of support grooves (305) are provided on a side of the support plate (304) away from the second rotating device (303); the support grooves (305) correspond one to one with the placement grooves (204).

3. The solar collector tube coating machine according to claim 1, characterized in that: The solar collector tube coating machine also includes a control panel (5), wherein the control panel (5) is connected to the first frame (201), and the control panel (5) is electrically connected to the electric slide rail (301), the first rotating device (202) and the second rotating device (303).

4. The solar collector tube coating machine according to claim 1, characterized in that: The vacuum pumping device (203) and the supporting plate (304) are coaxially arranged.

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