阅读说明：本技术 一种多功能镀膜玻璃生产用镀膜装置 (Coating device is used in production of multi-functional coated glass ) 是由 杨昊 高龙举 亓丽峰 刘建业 于 2020-12-16 设计创作，主要内容包括：本发明提供一种多功能镀膜玻璃生产用镀膜装置,包括密封箱体,支撑架,蒸发皿,电加热板,镀膜烘烤架结构,连接管,加热进气架结构,横杆,宽度调节架结构,基片夹持架结构,旋转电机,套筒,出气管,横管和箱门,所述的支撑架螺栓连接在密封箱体的内侧下部；所述的蒸发皿镶嵌在支撑架的内侧中间位置；所述的电加热板螺钉连接在蒸发皿的下部；所述的镀膜烘烤架结构分别安装在密封箱体中间位置的左右两侧。本发明的有益效果为：通过气流导向管、支架和风扇的设置,风扇旋转,通过气流导向管的导向将加热后的气流吹向基片的下表面,有利于使蒸发的原液充分覆盖在基片下部,提高镀膜时的工作效率。(The invention provides a film coating device for producing multifunctional coated glass, which comprises a sealed box body, a support frame, an evaporation pan, an electric heating plate, a film coating baking frame structure, a connecting pipe, a heating air inlet frame structure, a cross rod, a width adjusting frame structure, a substrate clamping frame structure, a rotating motor, a sleeve, an air outlet pipe, a transverse pipe and a box door, wherein the support frame is connected to the lower part of the inner side of the sealed box body through bolts; the evaporating dish is embedded in the middle of the inner side of the supporting frame; the electric heating plate is connected to the lower part of the evaporating dish through a screw; the film coating baking frame structures are respectively arranged at the left side and the right side of the middle position of the sealed box body. The invention has the beneficial effects that: through the arrangement of the airflow guide pipe, the bracket and the fan, the fan rotates, and heated airflow is blown to the lower surface of the substrate through the guide of the airflow guide pipe, so that evaporated stock solution can be fully covered on the lower part of the substrate, and the working efficiency during film coating is improved.)

1. The coating device for producing the multifunctional coated glass is characterized by comprising a sealed box body (1), a support frame (2), an evaporation pan (3), an electric heating plate (4), a coating baking frame structure (5), a connecting pipe (6), a heating air inlet frame structure (7), a cross rod (8), a width adjusting frame structure (9), a substrate clamping frame structure (10), a rotating motor (11), a sleeve (12), an air outlet pipe (13), a transverse pipe (14) and a box door (15), wherein the support frame (2) is in bolted connection with the lower part of the inner side of the sealed box body (1); the evaporation pan (3) is embedded in the middle position of the inner side of the support frame (2); the electric heating plate (4) is connected to the lower part of the evaporating dish (3) through screws; the film coating baking frame structures (5) are respectively arranged on the left side and the right side of the middle position of the sealed box body (1); the connecting pipe (6) is arranged on one side of the film coating baking frame structure (5) far away from the sealed box body (1); the heating air inlet frame structures (7) are respectively arranged at the left side and the right side of the sealed box body (1); the cross rod (8) is connected to the upper part of the inner side of the sealed box body (1) through bolts; the width adjusting frame structures (9) are respectively arranged at the left side and the right side of the cross rod (8); the substrate clamping frame structure (10) is arranged at the lower part of the inner side of the width adjusting frame structure (9); the rotating motor (11) is connected to the right side of the sealed box body (1) through bolts, and an output shaft penetrates through the sealed box body (1); the sleeve (12) is connected to the left side of an output shaft of the rotating motor (11) through a bolt; the air outlet pipe (13) is welded at the upper part of the inner side of the sealed box body (1); the transverse pipe (14) is connected to the upper part of the air outlet pipe (13) through bolts; the box door (15) is hinged to the left side of the front end of the sealed box body (1); the film coating baking frame structure (5) comprises a mounting frame (51), a mounting plate (52), an airflow guide pipe (53), a bracket (54), a fan (55), a wind collecting cover (56) and a conical net (57), wherein the mounting plate (52) is welded on the upper part and the lower part of the left side of the mounting frame (51) respectively; the airflow guide pipe (53) is connected to the left side of the mounting frame (51) through screws; the bracket (54) is respectively connected with the upper part and the lower part of the right side in the mounting frame (51) through bolts; the fan (55) is connected to the middle position of the bracket (54) through a bolt; the wind collecting cover (56) is connected to the right side of the mounting frame (51) through bolts; the conical net (57) is connected to the right side of the interior of the wind collecting cover (56) through screws.

2. The coating device for producing multifunctional coated glass according to claim 1, wherein the heating air inlet frame structure (7) comprises an air inlet pipe (71), a red copper heating pipe (72), an end cover (73), a threaded rod (74), a threaded pipe (75) and a filter screen (76), wherein the red copper heating pipe (72) is sleeved on the upper part of the outer side of the air inlet pipe (71); the end cover (73) is connected to the lower part of the air inlet pipe (71) through screws; the threaded rod (74) is welded on the upper part of the end cover (73); the threaded pipe (75) is in threaded connection with the outer side of the threaded rod (74); the filter screen (76) is welded on the outer side of the threaded pipe (75).

3. The multifunctional coating device for producing coated glass according to claim 1, wherein the width adjusting frame structure (9) comprises an adjusting tube (91), a fixing bolt (92), a vertical rod (93), a baffle plate (94), a vertical tube (95), a sleeve (96), a rotating shaft (97) and an intermediate plate (98), wherein the fixing bolt (92) is in threaded connection with the front end of the adjusting tube (91); the vertical rod (93) is welded at the lower part of the adjusting pipe (91); the baffle (94) is connected to the lower part of the vertical rod (93) through a screw; the vertical pipe (95) is sleeved at the lower part of the vertical rod (93); the sleeve (96) is welded at the front end of the vertical pipe (95); the rotating shaft (97) is coupled to the inner side of the sleeve (96); the middle plate (98) is welded at the right side of the rotating shaft (97).

4. The multifunctional coating device for producing coated glass according to claim 1, wherein the substrate holder structure (10) comprises a transverse plate (101), an ear plate (102), a pin plate (103), a pressing plate (104), a locking bolt (105) and a rubber block (106), wherein the ear plate (102) is welded at the upper middle position of the transverse plate (101); the pin shaft plate (103) is coupled to the upper part of the front end of the transverse plate (101) in a shaft manner; the pressure plate (104) is welded on the upper part of the pin shaft plate (103); the locking bolt (105) is in threaded connection with the left side of the inner part of the transverse plate (101); the rubber block (106) is glued on the right side of the lower part of the transverse plate (101).

5. The multi-functional coating device for producing coated glass according to claim 1, wherein the mounting frames (51) are respectively inserted into the left and right sides of the interior of the sealed box body (1), the mounting plate (52) is connected with the sealed box body (1) by bolts, and the middle position of the conical mesh (57) is inclined to the left side.

6. The multifunctional film coating device for producing coated glass according to claim 2, wherein one end of the connecting pipe (6) is screwed to the side of the air collection cover (56) away from the mounting frame (51), the other end is screwed to the lower portion of the air inlet pipe (71), and the side of the air flow guide pipe (53) close to the sealed box body (1) is inclined upward.

7. The multifunctional coating device for producing coated glass according to claim 2, wherein the upper part of the air inlet pipe (71) is bolted to the left and right sides of the lower part of the cross pipe (14), respectively, and the inner side of the air inlet pipe is communicated with the inner side of the cross pipe (14), and the right side of the filter screen (76) is inclined downwards.

8. The multifunctional film coating device for producing coated glass according to claim 3, wherein the adjusting pipe (91) is respectively sleeved on the left side and the right side of the outer side of the cross rod (8), and the fixing bolt (92) is in threaded connection with the connecting part of the adjusting pipe (91) and the cross rod (8).

9. The multifunctional coating device for producing coated glass according to claim 3, wherein the sleeve (12) is sleeved on the side of the rotating shaft (97) far away from the middle plate (98), and a bolt is connected to the joint through a thread.

Technical Field

The invention belongs to the technical field of glass production equipment, and particularly relates to a coating device for producing multifunctional coated glass.

Background

Vacuum coating refers to the process of evaporating a target material by using gas discharge and ionizing both evaporated substances and gas by using a low-voltage and large-current arc discharge technology under a vacuum condition, and depositing the evaporated substances and reaction products thereof on a workpiece by using the acceleration action of an electric field, which is also called Physical Vapor Deposition (PVD). The current vacuum coating technology mainly comprises three methods of evaporation coating, sputtering coating and ion plating.

However, the existing film coating device for producing the coated glass also has the problems of low working efficiency, high energy consumption caused by too fast heat dissipation and incapability of coating the substrates with different widths.

Therefore, the invention of the coating device for producing the multifunctional coated glass is very necessary.

Disclosure of Invention

In order to solve the technical problems, the invention provides a coating device for producing multifunctional coated glass, which aims to solve the problems that the existing coating device for producing coated glass is low in working efficiency and high in energy consumption and cannot coat substrates with different widths due to too fast heat dissipation. A film coating device for producing multifunctional coated glass comprises a sealed box body, a support frame, an evaporation pan, an electric heating plate, a film coating baking frame structure, a connecting pipe, a heating air inlet frame structure, a cross rod, a width adjusting frame structure, a substrate clamping frame structure, a rotating motor, a sleeve, an air outlet pipe, a transverse pipe and a box door, wherein the support frame is in bolted connection with the lower part of the inner side of the sealed box body; the evaporating dish is embedded in the middle of the inner side of the supporting frame; the electric heating plate is connected to the lower part of the evaporating dish through a screw; the film coating baking frame structures are respectively arranged on the left side and the right side of the middle position of the sealed box body; the connecting pipe is arranged on one side of the film coating baking frame structure, which is far away from the sealing box body; the heating air inlet frame structures are respectively arranged on the left side and the right side of the sealed box body; the cross bar is connected to the upper part of the inner side of the sealed box body through a bolt; the width adjusting frame structures are respectively arranged on the left side and the right side of the cross rod; the substrate clamping frame structure is arranged at the lower part of the inner side of the width adjusting frame structure; the rotating motor is connected to the right side of the sealed box body through bolts, and an output shaft penetrates through the sealed box body; the sleeve is connected to the left side of an output shaft of the rotating motor through a bolt; the air outlet pipe is welded at the upper part of the inner side of the sealed box body; the transverse pipe is connected to the upper part of the air outlet pipe through a bolt; the box door is hinged to the left side of the front end of the sealed box body; the film coating baking frame structure comprises a mounting frame, a mounting plate, an airflow guide pipe, a bracket, a fan, a wind collecting cover and a conical net, wherein the mounting plate is welded on the upper part and the lower part of the left side of the mounting frame respectively; the airflow guide pipe is connected to the left side of the mounting frame through a screw; the bracket is respectively bolted on the upper part and the lower part of the right side in the mounting frame; the fan is connected to the middle position of the bracket through a bolt; the wind collecting cover is connected to the right side of the mounting frame through bolts; the conical net screw is connected to the right side inside the air collecting cover.

Preferably, the heating air inlet frame structure comprises an air inlet pipe, a red copper heating pipe, an end cover, a threaded rod, a threaded pipe and a filter screen, wherein the red copper heating pipe is sleeved on the upper part of the outer side of the air inlet pipe; the end cover screw is connected to the lower part of the air inlet pipe; the threaded rod is welded on the upper part of the end cover; the threaded pipe is in threaded connection with the outer side of the threaded rod; the filter screen is welded on the outer side of the threaded pipe.

Preferably, the width adjusting frame structure comprises an adjusting pipe, a fixing bolt, a vertical rod, a baffle plate, a vertical pipe, a sleeve, a rotating shaft and an intermediate plate, wherein the fixing bolt is in threaded connection with the front end of the adjusting pipe; the vertical rod is welded at the lower part of the adjusting pipe; the baffle plate is connected to the lower part of the vertical rod through a screw; the vertical pipe is sleeved at the lower part of the vertical rod; the sleeve is welded at the front end of the vertical pipe; the rotating shaft is axially connected to the inner side of the sleeve; the middle plate is welded at the right side of the rotating shaft.

Preferably, the substrate clamping frame structure comprises a transverse plate, an ear plate, a pin shaft plate, a pressing plate, a locking bolt and a rubber block, wherein the ear plate is welded at the middle position of the upper part of the transverse plate; the pin shaft plate is connected to the upper part of the front end of the transverse plate in a shaft mode; the pressing plate is welded on the upper part of the pin shaft plate; the locking bolt is in threaded connection with the left side of the inner part of the transverse plate; the rubber block is glued on the right side of the lower part of the transverse plate.

Preferably, the mounting frames are respectively inserted into the left side and the right side of the inside of the sealed box body, the mounting plates are connected with the sealed box body through bolts, and the middle position of the conical net inclines towards the left side.

Preferably, one end of the connecting pipe is connected with one side of the air collecting cover far away from the mounting frame through a screw, the other end of the connecting pipe is connected with the lower part of the air inlet pipe through a screw, and one side of the airflow guide pipe close to the sealing box body inclines upwards.

Preferably, the upper part of the air inlet pipe is respectively in bolted connection with the left side and the right side of the lower part of the transverse pipe, the inner side of the air inlet pipe is communicated with the inner side of the transverse pipe, and the right side of the filter screen inclines downwards.

Preferably, the adjusting pipes are respectively sleeved on the left side and the right side of the outer side of the cross rod, and the fixing bolts are in threaded connection with the connecting parts of the adjusting pipes and the cross rod.

Preferably, the left side of the transverse plate is welded on one side of the middle plate far away from the adjusting pipe.

Preferably, the sleeve is sleeved on one side of the rotating shaft far away from the middle plate, and a bolt is connected to the connecting part in a threaded mode.

Compared with the prior art, the invention has the beneficial effects that:

1. in the invention, the airflow guide pipe, the bracket and the fan are arranged, the fan rotates, and the heated airflow is blown to the lower surface of the substrate through the guide of the airflow guide pipe, so that the evaporated stock solution can be fully covered on the lower part of the substrate, and the working efficiency in coating is improved.

2. According to the invention, due to the arrangement of the air collecting cover and the conical net, airflow enters the inner side of the air collecting cover through the conical net, so that the filtering of the stock solution remaining in the air is facilitated, and the separation of the stock solution remaining in the air is facilitated, so that the stock solution can be reused or treated.

3. According to the invention, the red copper heating pipe and the filter screen are arranged, so that gas enters from the upper part of the gas inlet pipe, the red copper heating pipe heats the gas inside the gas inlet pipe, the gas is favorably heated, the phenomenon that the heat of the air inside the gas inlet pipe is dissipated too fast is prevented, and meanwhile, the air is filtered again.

4. According to the invention, the end cover, the threaded rod and the threaded pipe are arranged, the screw on the end cover is detached, the end cover is pulled downwards, and the filter screen is detached through the threaded rod and the threaded pipe, so that convenience is brought to workers to detach the filter screen and clean the filter screen.

5. In the invention, the arrangement of the air outlet pipe, the transverse pipe and the air inlet pipe is beneficial to recycling the air inside the sealed box body, and further reduces the dissipation speed of the air temperature, thereby reducing the energy consumption of the device and simultaneously reducing the use cost of the device.

6. According to the invention, the cross rod, the adjusting pipe and the fixing bolt are arranged, the fixing bolt is unscrewed, and the position of the adjusting pipe outside the cross rod is transversely adjusted, so that the distance between the substrate clamping frame structures on the left side and the right side can be conveniently adjusted, substrates with different widths can be fixed, and the using function of the device is increased.

7. According to the invention, the vertical tube, the sleeve, the rotating shaft and the middle plate are arranged, so that the substrate clamping frame structure can be rotated, the substrate can be subjected to rotary coating, and the coating on the outer side of the substrate is more uniform.

8. According to the invention, the lug plate, the pin shaft plate, the pressing plate and the locking bolt are arranged, the locking bolt is rotated, and the locking bolt moves downwards on the left side of the pressing plate, so that the right side of the pressing plate is pushed to move downwards, and the substrate is favorably fixed by extrusion between the right side of the upper part of the transverse plate and the lower part of the rubber block.

9. In the invention, the arrangement of the rubber block is beneficial to fixing the substrate and preventing the substrate from being damaged due to overlarge fixing force, thereby increasing the protection function of the device on the substrate.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a schematic structural diagram of the filming baking rack structure of the present invention.

Fig. 3 is a schematic structural view of a heating intake frame structure of the present invention.

Fig. 4 is a schematic structural view of the width adjustment frame structure of the present invention.

Fig. 5 is a schematic structural view of the substrate holder structure of the present invention.

In the figure:

1. sealing the box body; 2. a support frame; 3. an evaporating dish; 4. an electrical heating plate; 5. a film coating baking rack structure; 51. installing a frame; 52. mounting a plate; 53. an airflow guide pipe; 54. a support; 55. a fan; 56. a wind collecting cover; 57. a conical mesh; 6. a connecting pipe; 7. heating the air intake frame structure; 71. an air inlet pipe; 72. a red copper heating pipe; 73. an end cap; 74. a threaded rod; 75. a threaded pipe; 76. a filter screen; 8. a cross bar; 9. a width adjustment frame structure; 91. an adjusting tube; 92. fixing the bolt; 93. a vertical rod; 94. a baffle plate; 95. a vertical tube; 96. a sleeve; 97. a rotating shaft; 98. a middle plate; 10. a substrate holder structure; 101. a transverse plate; 102. an ear plate; 103. a pin shaft plate; 104. pressing a plate; 105. locking the bolt; 106. a rubber block; 11. a rotating electric machine; 12. a sleeve; 13. an air outlet pipe; 14. a transverse tube; 15. and (4) a box door.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1 and fig. 2, a film coating device for producing multifunctional coated glass comprises a sealed box body 1, a support frame 2, an evaporation pan 3, an electric heating plate 4, a film coating baking frame structure 5, a connecting pipe 6, a heating air inlet frame structure 7, a cross rod 8, a width adjusting frame structure 9, a substrate clamping frame structure 10, a rotating motor 11, a sleeve 12, an air outlet pipe 13, a transverse pipe 14 and a box door 15, wherein the support frame 2 is connected to the lower part of the inner side of the sealed box body 1 through bolts; the evaporating dish 3 is embedded in the middle position of the inner side of the support frame 2; the electric heating plate 4 is connected to the lower part of the evaporating dish 3 through screws; the film coating baking frame structures 5 are respectively arranged on the left side and the right side of the middle position of the sealed box body 1; the connecting pipe 6 is arranged on one side of the film coating baking frame structure 5 far away from the sealing box body 1; the heating air inlet frame structures 7 are respectively arranged at the left side and the right side of the sealed box body 1; the cross rod 8 is connected to the upper part of the inner side of the sealed box body 1 through a bolt; the width adjusting frame structures 9 are respectively arranged at the left side and the right side of the cross rod 8; the substrate clamping frame structure 10 is arranged at the lower part of the inner side of the width adjusting frame structure 9; the rotating motor 11 is connected to the right side of the sealed box body 1 through bolts, and an output shaft penetrates through the sealed box body 1; the sleeve 12 is connected to the left side of the output shaft of the rotating motor 11 through a bolt; the air outlet pipe 13 is welded at the upper part of the inner side of the sealed box body 1; the transverse pipe 14 is connected to the upper part of the air outlet pipe 13 through bolts; the box door 15 is hinged to the left side of the front end of the sealed box body 1; the film coating roasting rack structure 5 comprises a mounting frame 51, a mounting plate 52, an airflow guide pipe 53, a bracket 54, a fan 55, a wind collecting cover 56 and a conical net 57, wherein the mounting plate 52 is welded on the upper part and the lower part of the left side of the mounting frame 51 respectively; the airflow guide pipe 53 is connected to the left side of the mounting frame 51 through screws; the bracket 54 is respectively bolted on the upper part and the lower part of the right side in the mounting frame 51; the fan 55 is bolted in the middle of the bracket 54; the wind collecting cover 56 is connected to the right side of the mounting frame 51 through bolts; the conical net 57 is connected to the right side inside the wind collecting cover 56 through screws; the fan 55 rotates, the airflow enters the inner side of the air collecting cover 56 through the conical net 57, and then the heated airflow is blown to the lower surface of the substrate through the guiding of the airflow guide pipe 53, so that the working efficiency in coating is improved.

As shown in fig. 3, in the above embodiment, specifically, the heating air inlet frame structure 7 includes an air inlet pipe 71, a red copper heating pipe 72, an end cover 73, a threaded rod 74, a threaded pipe 75 and a filter screen 76, and the red copper heating pipe 72 is sleeved on the upper portion of the outer side of the air inlet pipe 71; the end cover 73 is screwed on the lower part of the air inlet pipe 71; the threaded rod 74 is welded on the upper part of the end cover 73; the threaded pipe 75 is connected to the outer side of the threaded rod 74 in a threaded manner; the filter screen 76 is welded on the outer side of the threaded pipe 75; the gas in the sealed box 1 enters from the upper part of the gas inlet pipe 71, the red copper heating pipe 72 heats the gas, when the gas passes through the filter screen 76, the stock solution mixed in the gas is filtered, the screw on the end cover 73 is detached, the end cover 73 is pulled downwards, the filter screen 76 is detached through the threaded rod 74 and the threaded pipe 75, and the filtered stock solution is cleaned for reuse or treatment.

As shown in fig. 4, in the above embodiment, specifically, the width adjusting bracket structure 9 includes an adjusting pipe 91, a fixing bolt 92, a vertical rod 93, a baffle plate 94, a vertical pipe 95, a sleeve 96, a rotating shaft 97 and an intermediate plate 98, wherein the fixing bolt 92 is screwed at the front end of the adjusting pipe 91; the vertical rod 93 is welded at the lower part of the adjusting pipe 91; the baffle 94 is connected to the lower part of the vertical rod 93 through a screw; the vertical pipe 95 is sleeved at the lower part of the vertical rod 93; the sleeve 96 is welded at the front end of the vertical pipe 95; the rotating shaft 97 is coupled to the inner side of the sleeve 96; the middle plate 98 is welded on the right side of the rotating shaft 97; the fixing bolt 92 is unscrewed, the position of the adjusting pipe 91 outside the cross rod 8 is transversely adjusted, so that the distance between the substrate clamping frame structures 10 on the left side and the right side is adjusted, then the substrate is fixed on the inner side of the substrate clamping frame structures 10, and the rotating motor 11 drives the rotating shaft 97 to rotate through the sleeve 12, so that the substrate rotates during film coating.

As shown in fig. 5, in the above embodiment, specifically, the substrate holder structure 10 includes a transverse plate 101, an ear plate 102, a pin plate 103, a pressing plate 104, a locking bolt 105 and a rubber block 106, wherein the ear plate 102 is welded at an upper middle position of the transverse plate 101; the pin shaft plate 103 is coupled to the upper part of the front end of the transverse plate 101; the pressure plate 104 is welded on the upper part of the pin shaft plate 103; the locking bolt 105 is in threaded connection with the left side of the inner part of the transverse plate 101; the rubber block 106 is glued on the right side of the lower part of the transverse plate 101; when the locking bolt 105 is rotated, the locking bolt 105 moves downward on the left side of the pressing plate 104, thereby pushing the right side of the pressing plate 104 to move downward, and the substrate is fixed by the compression between the upper right side of the horizontal plate 101 and the lower part of the rubber block 106.

In the above embodiment, specifically, the mounting frames 51 are respectively inserted into the left and right sides of the interior of the sealed box 1, the mounting plate 52 is connected to the sealed box 1 by bolts, and the middle position of the tapered net 57 is inclined to the left.

In the above embodiment, specifically, one end of the connecting pipe 6 is screwed to one side of the air collecting cover 56 away from the mounting frame 51, the other end is screwed to the lower portion of the air inlet pipe 71, and one side of the air flow guiding pipe 53 close to the sealed box 1 is inclined upward.

In the above embodiment, specifically, the upper portions of the air inlet pipes 71 are respectively bolted to the left and right sides of the lower portion of the cross pipe 14, the inner sides of the air inlet pipes communicate with the inner side of the cross pipe 14, and the right side of the filter screen 76 is inclined downward.

In the above embodiment, specifically, the adjusting pipes 91 are respectively sleeved on the left and right sides of the outer side of the cross bar 8, and the fixing bolts 92 are screwed at the joints of the adjusting pipes 91 and the cross bar 8.

In the above embodiment, specifically, the left side of the transverse plate 101 is welded to the side of the intermediate plate 98 away from the adjusting pipe 91.

In the above embodiment, specifically, the sleeve 12 is sleeved on the side of the rotating shaft 97 away from the middle plate 98, and the connecting portion is screwed with a bolt.

Principle of operation

The working principle of the invention is as follows: when the device is used, the fixing bolt 92 is firstly unscrewed, the position of the adjusting pipe 91 outside the cross rod 8 is transversely adjusted according to the width of the substrate, then the edge of the substrate is placed between the right side of the upper part of the cross plate 101 and the rubber block 106, the locking bolt 105 is rotated, the locking bolt 105 moves downwards on the left side of the pressing plate 104, so that the right side of the pressing plate 104 is pushed to move downwards, the substrate is fixed through extrusion between the right side of the upper part of the cross plate 101 and the lower part of the rubber block 106, then the fixing bolt 92 is screwed down, the position of the adjusting pipe 91 is fixed, then raw liquid for coating is placed on the inner side of the evaporating dish 3, the box door 15 is closed, the electric heating plate 4 is started, the evaporating dish 3 is heated by the electric heating plate 4, the raw liquid measured in the evaporating dish 3 is evaporated and diffused to the inner side of the sealed box body 1, the coating film is, therefore, the substrate is rotated during film coating, the film coating of the substrate is more uniform, meanwhile, the fan 55 is rotated, airflow inside the sealed box body 1 enters the inner side of the transverse pipe 14 from the air outlet pipe 13, then the air enters from the upper part of the air inlet pipe 71, the red copper heating pipe 72 heats the air, the stock solution mixed in the air is filtered when the air passes through the filter screen 76, finally the airflow enters the inner side of the air collection cover 56 through the conical net 57, then the heated airflow is blown to the lower surface of the substrate through the guiding of the airflow guide pipe 53, the working efficiency during film coating is improved, the screw on the end cover 73 is detached, the end cover 73 is pulled downwards, the filter screen 76 is detached through the threaded rod 74 and the threaded pipe 75, and the filtered stock solution is cleaned and is convenient to reuse or treat.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.