CN102327839A - Drum-type film coating equipment - Google Patents

Abstract

A drum-type coating equipment, which coats substrates under atmospheric pressure. The coating equipment includes: a carrying device, forming a storage tank; a base, arranged at the bottom of the storage tank, for supporting at least one substrate; a cleaning device and a heating device, arranged in the storage tank and fixed in the middle of the bearing device; a roller device , arranged above the cleaning device and the heating device, which includes a plurality of rollers arranged side by side and spaced apart from each other, and the distance between adjacent rollers is equal to the thickness of the substrate; the liquid spray device is arranged above the roller device and fixed on the carrying device, Used to provide the base material with the solution to be plated; and the driving device, connected to the base, used to drive the base to rotate relative to the storage tank and move up and down, so that the base material passes through the drums between the drums after being cleaned by the cleaning device The device is further coated by the roller and the liquid spray device, and dried by the heating device after the coating is completed, so as to improve the efficiency and ensure the quality of the coating.

Description

Drum Coating Equipment

technical field

The invention relates to a drum type coating equipment.

Background technique

Coating refers to the coating of single-layer or multi-layer thin films on the surface of optical components by physical or chemical methods. The coating process of optical components is usually as follows: first, install the optical components on the coating jig, and the coating jig is set in a container; secondly, seal the container, and vacuumize the container; then, use methods such as evaporation or sputtering in the The parts of the optical components that need to be coated are coated; finally, the container is opened, and the coated optical components are removed from the coating jig. That is to say, the existing evaporation or sputtering coating technology generally needs to be carried out under vacuum conditions, so that not only the equipment cost is high, but also when the coating material needs to be replaced, the vacuum needs to be re-evacuated so that the coating does not Continuous, low efficiency and difficult to guarantee coating quality.

Contents of the invention

In view of this, it is necessary to provide a drum-type coating device with high efficiency and capable of ensuring the coating quality.

The utility model relates to a drum-type coating equipment, which coats a base material to be coated under an atmospheric pressure environment. The drum-type coating equipment comprises: a bearing device, forming a storage tank; a base, arranged at the bottom of the storage tank, for supporting at least one substrate to be coated; a cleaning device and a heating device, arranged in the storage tank and fixed on the bearing The middle part of the device; the roller device is arranged above the cleaning device and the heating device, and it includes a plurality of rollers arranged side by side, and the rollers are spaced apart from each other, and the distance between adjacent rollers is equal to the thickness of the substrate to be coated; Above the roller device and fixed on the carrying device, it is used to provide the coating solution for the substrate to be coated; and the driving device is connected to the base, and is used to drive the base to rotate and move up and down relative to the receiving tank, so that the After the substrate to be coated is cleaned by the cleaning device, it passes through the roller device between the rollers, and then is coated by the roller and the liquid spraying device, and is dried by the heating device after the coating is completed.

Compared with the prior art, the drum-type coating equipment of the present invention coats the substrate to be coated in an atmospheric pressure environment. The coating process does not require vacuuming or breaking the vacuum, making the coating continuous, improving the coating efficiency and ensuring the coating quality.

Description of drawings

Fig. 1 is a three-dimensional exploded view of a drum coating device provided in a preferred embodiment of the present invention.

FIG. 2 is a three-dimensional exploded view of the drum coating device in FIG. 1 from another perspective.

FIG. 3 is an assembly view of the drum coating equipment of FIG. 1 .

FIG. 4 is a schematic diagram of a usage state of the drum coating equipment in FIG. 3 .

FIG. 5 is a schematic diagram of another usage state of the drum coating equipment in FIG. 3 .

FIG. 6 is a schematic diagram of another usage state of the drum coating equipment in FIG. 3 .

Description of main component symbols

Drum coating equipment 100

Carrying device 10

storage tank 11

Bottom 13

Side 15

top surface 17

Steps 19

Base 20

Loading board 21

Slot 23

Cleaning device 30

Compressed air gun 31

Heating device 40

Control circuit board 41

Electric heating element 43

Roller device 50

Bracket 51

Roller 53

Scroll motor 55

Liquid spraying device 60

Spray end 61

Suction end 63

Drive unit 70

Rotary motor 71

Lifting motor 73

Lifting shaft 75

Controller 77

Through hole 115

First opening 111

Second opening 113

Substrate to be coated 200

Detailed ways

Referring to FIG. 1 and FIG. 2 , a drum coating device 100 provided in a preferred embodiment of the present invention includes a carrying device 10 , and the carrying device 10 forms a receiving tank 11 . The drum coating equipment 100 also includes a base 20 arranged at the bottom of the storage tank 11, a cleaning device 30 and a heating device 40 arranged at the middle of the storage tank 11, a roller device 50 arranged at the top of the storage tank 11, and A liquid spraying device 60 above the roller device 50 and a driving device 70 arranged at the bottom of the carrier device 10 . The base 20 is used to support at least one substrate to be coated 200, and the driving device 70 drives the base 20 to drive the substrate to be coated 200 to move up and down in the storage tank 11 for the roller device 50 and the liquid spraying device 60 together to coat the substrate 200 to be coated.

Specifically, the carrying device 10 includes a bottom surface 13 , two opposite side surfaces 15 and a top surface 17 opposite to the bottom surface. A through hole 115 is defined on the bottom surface 13 for accommodating part of the driving device 70 . The receiving groove 11 is substantially T-shaped, and the receiving groove 11 communicates with the outside through a first opening 111 formed on the top surface 17 and two second openings 113 respectively formed on the side surfaces 15. The two openings 113 are connected. Symmetrical steps 19 are formed on the edge of the second opening 113 .

It can be understood that the receiving groove 11 can also be set in other shapes, such as U-shape or cylindrical shape.

The base 20 is disposed at the bottom of the receiving groove 11 and aligned with the through hole 115 . The base 20 includes a supporting plate 21 , and a plurality of slots 23 are formed on the surface of the supporting plate 21 far away from the bottom surface 13 for accommodating a plurality of substrates 200 to be coated respectively. The slots 23 are spaced apart from each other, and the distance between adjacent slots 23 is a first pitch. When the substrates 200 to be coated are inserted on the carrier board 21 , each substrate 200 to be coated is approximately perpendicular to the carrier board 21 , so that the distance between adjacent substrates 200 to be coated is also the first distance. In this embodiment, the substrate 200 to be coated is a glass plate.

The cleaning device 30 is fixed on the side 15 of the carrying device 10 . Specifically, the cleaning device 30 includes two compressed air guns 31 for cleaning the substrate 200 to be coated with air. The two compressed air guns 31 are arranged facing each other. It can be understood that the compressed air gun 31 can be fixed on the side surface 15 by means of glue or magnet attraction, and the air source of the compressed air gun 31 can pass through the air pipe from the outer side of the carrying device 10 .

The heating device 40 is fixed on the side surface 15 of the carrying device 10 at the second opening 113 of the receiving tank 11 , and is substantially at the same height as the cleaning device 30 . In this embodiment, the number of the heating devices 40 is set to two. Each heating device 40 includes a control circuit board 41 and a plurality of electric heating elements 43 arranged on the control circuit board 41 . Both ends of the control circuit board 41 can be fixed on the edge of the second opening 113 by screws, and the electric heating element 43 is arranged toward the inside of the receiving tank 11 and can emit heat radiation source. The control circuit board 41 has a control circuit (not shown in the figure), and the control circuit is used to regulate and control the on-off of the power supply of the electric heating element 43 and the heating temperature.

The roller device 50 is disposed above the cleaning device 30 and the heating device 40 and substantially parallel to the supporting plate 21 . The roller device 50 includes two oppositely arranged supports 51 and a plurality of rollers 53 arranged side by side, each said support 51 is fixedly arranged on the step 19, each roller 53 is fixed on the support 51 by its two ends, and the rollers 53 is rotatable relative to the bracket 51 . The minimum distance between the outer surfaces of adjacent rollers 53 is the second distance, and the second distance is equal to the thickness of the substrate 200 to be coated. The sum of the diameter of each roller 53 and the second distance is approximately equal to the first distance. Each roller 53 is fixedly connected with a rolling motor 55, and the rolling motor 55 is used to drive each roller 53 to roll continuously in the same direction or roll back and forth in the opposite direction at the same time. It can be understood that the rolling motor 55 can be arranged on the inner surface or the outer surface of the bearing plate 21 .

The liquid spraying device 60 is arranged above the roller device 50 and fixed on the opposite edge of the first opening 111 of the carrier device 10 , for providing the coating material for the roller device 50 and the substrate 200 to be coated. Specifically, the liquid spraying device 60 has a plurality of liquid spraying ends 61 corresponding to the cylinders 53 one-to-one, and the liquid spraying ends 61 are directed towards the bottom of the carrying device 10, and are used for spraying the cylinder device 50 and the substrate 200 to be coated. to be plated. It can be understood that, the plurality of liquid spraying ends 61 can respectively spray one or more kinds of coating solutions, and further, single-layer or multi-layer coating can be performed on the substrate 200 to be coated. The liquid spraying device 60 also includes a plurality of liquid suction ends 63 corresponding to the liquid spray ends 61 , for sucking the liquid to be plated and providing it to the liquid spray end 61 for spraying. When the liquid spraying end 61 needs to spray out multiple plating solutions, different liquids to be plated are sprayed out in different time periods by controlling the liquid suction end 63, so as to avoid mutual contamination between different liquids.

The driving device 70 is connected to the base 20 in transmission, and is used to drive the substrate 200 to be coated on the base 20 to rotate and move up and down in the storage tank 11, so that the substrate 200 to be coated is cleaned by the cleaning device 30 in sequence, And after the heating device 40 is dried, it is clamped on the roller device 50 between the rollers 53 and continues to be driven by the driving device 70 to move back and forth relative to the roller 53 to perform coating. Specifically, the driving device 70 includes a rotation motor 71 and a lifting motor 73 , the rotation motor 71 is fixedly connected to the base 20 through the through hole 115 , and can drive the base 20 to rotate back and forth by 360 degrees. The lift motor 73 has a lift shaft 75, one end of the lift shaft 75 is movably connected with the rotary motor 71, and the other end is rotatably connected with the lift motor 73, and the lift motor 73 can drive the lift shaft 75 to rotate while moving up and down. In this embodiment, the lifting shaft 75 is a threaded shaft. The rotating motor 71 is connected with the lifting motor 73 through the lifting shaft 75 , so that the rotating motor 71 can be driven by the lifting motor 73 to move up and down. The driving device 70 also includes a controller 77 for the user to manually or automatically control the rotation motor 71 and the lifting motor 73 to move within different time periods.

Please refer to FIG. 3 to FIG. 6. When in use, the drum coating equipment 100 is placed in an atmospheric pressure environment, the base 20 is accommodated in the storage tank 11, and the carrier plate 21 of the base 20 is bonded to the bottom surface 13 of the carrier device 10. , and the ends of the substrate to be coated 200 are aligned with the two opposite compressed air guns 31 . Turn on the rotary motor 71 of the cleaning device 30 and the driving device 70, and the rotary motor 71 rotates the carrier plate 21 back and forth within a certain angle range, thereby driving the substrate 200 to be coated to rotate back and forth, so that the cleaning device 30 ejects compressed air to rotate. The substrate to be coated 200 is cleaned to ensure that the compressed air gun 31 blows air to the entire surface of the substrate to be coated 200 . After cleaning for a certain period of time, the cleaning device 30 is turned off, and the rotating motor 71 is controlled to rotate the base 20 until the substrates 200 to be coated on the base 20 are all parallel to the direction in which the cylinder 53 is arranged. Turn on the lift motor 73 to lift the substrate 200 to be coated to a position corresponding to the roller device 50 , and each substrate 200 to be coated is clamped between every two rollers 53 . Start the rolling motor on the drum device 50 and open the liquid spraying end 61 on the liquid spraying device 60, so that each liquid spraying end 61 sprays the plating solution to the corresponding drum 53 and the substrate 200 to be coated. The lifting motor 73 is controlled so that the substrate 200 to be coated on the base 20 moves up and down within a short distance relative to the roller 53 . In this embodiment, the short distance is less than or equal to the length of the substrate to be coated 200 . During the rolling process, the drum 53 evenly coats the to-be-plated solution on the substrate to be coated 200 . After the base material 200 to be coated is evenly coated with the coating solution, the lift motor 73 drives the base material 200 to be lowered to a position flush with the heating device 40, the heating device 40 is turned on, and the coated base material 200 is turned on. The substrate 200 to be coated with the plating solution is heated in time to form a crystal phase, thereby forming a film layer. After the heating is completed, the substrate to be coated 200 is returned to the bottom of the storage tank 11 by the lift motor 73 and taken out from the second opening 113 to obtain a coated product.

The drum-type coating equipment 100 of the present invention coats the substrate 200 to be coated under atmospheric pressure, and the coating process does not require vacuuming or breaking the vacuum, making the coating continuous, improving the coating efficiency and ensuring the coating quality.

It can be understood that those skilled in the art can also make other changes within the spirit of the present invention, which should be included within the scope of the present invention.

Claims (10)

1. A drum-type coating device, which coats a substrate to be coated under an atmospheric pressure environment, and the drum-type coating device comprises: The carrying device is formed with a receiving groove; a base, arranged at the bottom of the storage tank, for supporting at least one substrate to be coated; The cleaning device and the heating device are arranged in the storage tank and fixed in the middle of the carrying device; The roller device is arranged above the cleaning device and the heating device, and it includes a plurality of rollers arranged side by side, the rollers are spaced apart from each other, and the distance between adjacent rollers is equal to the thickness of the substrate to be coated; a liquid spraying device, arranged above the drum device and fixed on the carrying device, for providing the coating solution for the substrate to be coated; and The driving device is connected with the base, and is used to drive the base to rotate and move up and down relative to the receiving tank, so that the substrate to be coated passes through the roller device between the rollers after being cleaned by the cleaning device, and then is passed through the roller and the roller. The liquid spraying device performs the coating, and is dried by the heating device after the coating is completed. 2. The drum coating device according to claim 1, wherein the carrying device is formed with a bottom surface, two opposite side surfaces and a top surface opposite to the bottom surface, and a through hole is provided on the bottom surface, The driving device is partially accommodated in the through hole and connected to the base through the through hole, the receiving groove communicates with the outside through a first opening formed on the top surface and two second openings respectively formed on the side surfaces, The first opening communicates with the second opening, the cleaning device is fixedly arranged on the side, and the heating device is arranged on the edge of the second opening. 3. The drum type coating equipment as claimed in claim 2, wherein the heating device comprises a control circuit board and a plurality of electric heating elements arranged on the control circuit board, and the control circuit board is fixed on the second On the edge of the opening, the electric heating element is arranged towards the inside of the storage tank and radiates heat energy. 4 . The drum coating device as claimed in claim 2 , wherein the edge of the second opening is formed with opposite steps, and the two ends of the drum device are fixed on the steps. 5. The drum-type coating device according to claim 2, wherein the driving device comprises a rotary motor and a lifting motor, and the rotary motor is fixedly connected to the base through the through hole and is used to drive the base to rotate , the lifting motor has a lifting shaft, the rotating motor is connected with the lifting motor through the lifting shaft and is driven by the lifting motor to move up and down. 6. The drum-type coating device according to claim 1, wherein the base comprises a carrier plate, and a plurality of slots are formed on the carrier plate for accommodating a plurality of substrates to be coated respectively, and the slots are mutually The distance between adjacent slots is equal to the sum of the diameter of the drum and the thickness of the substrate to be coated. 7. drum coating equipment as claimed in claim 1, is characterized in that, this liquid spray device has a plurality of liquid spray ends, and this liquid spray end is opposite to this substrate to be coated so as to spray to be plated liquid to substrate to be coated . 8. The drum coating device according to claim 7, wherein the liquid spray device also includes a plurality of liquid suction ends corresponding to the liquid spray ends, for sucking the liquid to be plated to provide the liquid spray end for ejection. . 9. The drum coating equipment according to claim 1, characterized in that, the drum device is provided with a plurality of rolling motors for respectively driving each drum to roll continuously in the same direction or to roll back and forth in opposite directions. 10. The drum-type coating device according to claim 1, wherein the driving device comprises a controller, the controller is used for the user to manually or automatically control the movement of the rotating motor and the lifting motor in different time periods.

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