Mobile phone optical glass coating device

Abstract

The utility model discloses a mobile phone optical glass coating device which comprises a base, and a workbench, a spraying device and an ultrasonic device are arranged on the base. A hollow rotating disc is installed on the workbench and rotationally connected with the workbench, the hollow rotating disc is provided with a plurality of containing discs, the containing discs are provided with containing grooves, an installation plate is arranged at the bottom of the workbench, and a rotating disc drive is installed on the workbench. The spraying device comprises a coating liquid box, the coating liquid box is connected with a spray head through a pipeline and an air compression pump, and the spray head is fixed to the support and faces one side above the hollow rotating disc; the ultrasonic device comprises an ultrasonic generator installed on the support, and the ultrasonic generator is located above the spray head. During spraying, the ultrasonic generator converts high-frequency electric energy into mechanical vibration, so that ultrasonic waves are generated, liquid sprayed out of the spray head is atomized under high-frequency vibration, a mobile phone glass blank to be coated is coated downwards, a uniform and compact film is formed, and good optical performance and durability are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of optical glass processing, and particularly relates to a coating device for mobile phone optical glass. Background Art

[0002] When processing mobile phone optical glass, it is necessary to coat it. Coating refers to the technology of forming one or more thin films with specific functions or properties on the surface of optical glass. Coating can change the optical properties of optical glass such as reflectivity, transmittance, dispersion rate, refractive index, etc., to meet different application requirements.

[0003] At present, traditional glass coating is through physical vapor deposition and chemical vapor deposition. The equipment and processes of physical vapor deposition and chemical vapor deposition are complex, and the uniformity of the formed thin film is general, which is difficult to meet the high-precision coating requirements. Summary of the Utility Model

[0004] The utility model provides a coating device for mobile phone optical glass. When spraying, the ultrasonic generator converts high-frequency electrical energy into mechanical vibration, thereby generating ultrasonic waves. The liquid sprayed by the nozzle is atomized under high-frequency vibration and coats the mobile phone glass blank to be coated downward, forming a uniform and dense thin film with good optical properties and durability, so as to solve the problems proposed in the above background art.

[0005] To achieve the above object, the utility model provides the following technical solution: A coating device for mobile phone optical glass, including a base, on which a workbench, a spraying device and an ultrasonic device are installed; a hollow turntable is installed on the workbench, and the hollow turntable is rotationally connected to the workbench through a shaft tube via a bearing. A plurality of placement plates are arranged around the center of the hollow turntable. A placement groove is provided at the top of the placement plate. An installation plate is provided at the bottom of the workbench. A turntable drive for driving the hollow turntable to rotate is installed on the workbench; the spraying device includes a coating liquid tank located on the base. The coating liquid tank is connected to a nozzle through a pipeline and an air compressor pump. The nozzle is fixed on a bracket and faces the upper side of the hollow turntable; the ultrasonic device includes an ultrasonic generator installed on the bracket, and the ultrasonic generator is located above the nozzle.

[0006] Preferably, gear teeth are provided at the edge of the placement plate. A rotating shaft is provided at the bottom of the placement plate and is rotationally installed on the placement plate through a bearing. A column is fixed on the installation plate. The top of the column penetrates through the hollow turntable, and a gear disk meshing with the gear teeth of the placement plate is fixed at the top of the column.

[0007] Preferably, a connecting flange is provided at the bottom end of the column and is fixed on the installation plate through fastening screws.

[0008] Preferably, the turntable drive includes a servo motor fixed on the mounting plate. A driving gear is fixed to the output shaft of the servo motor. An intermediate shaft is installed on the workbench through bearings. A first intermediate gear meshing with the driving gear is fixed to the bottom end of the intermediate shaft. Teeth are provided on the outer edge of the hollow turntable. A second intermediate gear meshing with the teeth of the hollow turntable is fixed to the top end of the intermediate shaft.

[0009] Preferably, a cover body covering the spray head and the ultrasonic generator is installed on the workbench. A switchable sealing door is provided on the cover body.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. During spraying, the ultrasonic generator converts high-frequency electrical energy into mechanical vibration, thereby generating ultrasonic waves. The liquid sprayed by the spray head is atomized under high-frequency vibration and coats the mobile phone glass blank to be coated downward, forming a uniform and dense film with good optical properties and durability.

[0012] 2. The rotation of the hollow turntable drives different placement trays to rotate to the spraying station for spraying and coating, so that multiple mobile phone glass blanks can be coated at one time, with high efficiency.

[0013] 3. During the spraying process, when the hollow turntable drives the placement tray to rotate around the center of the hollow turntable, since the toothed disc is fixed, the placement tray will rotate automatically under the action of the toothed disc, further improving the coating uniformity. Description of the Drawings

[0014] Figure 1 It is a front view sectional structure schematic diagram of the present utility model;

[0015] Figure 2 It is a top view structure schematic diagram of the hollow turntable, placement tray and second intermediate gear of the present utility model;

[0016] Figure 3 It is a bottom view structure schematic diagram of the hollow turntable and shaft tube of the present utility model;

[0017] Figure 4 It is a structure schematic diagram of the column, toothed disc and connecting flange of the present utility model.

[0018] In the figure: 1. Base; 2. Workbench; 3. Hollow turntable; 4. Shaft tube; 5. Placement tray; 6. Placement groove; 7. Mounting plate; 8. Coating liquid tank; 9. Air compressor; 10. Spray head; 11. Bracket; 12. Ultrasonic generator; 13. Rotating shaft; 14. Column; 15. Toothed disc; 16. Connecting flange; 17. Servo motor; 18. Driving gear; 19. Intermediate shaft; 20. First intermediate gear; 21. Second intermediate gear; 22. Cover body. Specific Embodiments

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-4 , the present invention provides a mobile phone optical glass coating device, including a base 1, on which a workbench 2, a spraying device and an ultrasonic device are installed; a hollow turntable 3 is installed on the workbench 2, and the hollow turntable 3 is rotationally connected to the workbench 2 through a shaft tube 4 via a bearing. A plurality of placing plates 5 are arranged around the center of the hollow turntable 3. A placing groove 6 is provided at the top of the placing plate 5. An installation plate 7 is provided at the bottom of the workbench 2. A turntable drive for driving the hollow turntable 3 to rotate is installed on the workbench 2; the spraying device includes a coating liquid tank 8 located on the base 1. The coating liquid tank 8 is connected to a nozzle 10 through a pipeline and an air compressor pump 9. The nozzle 10 is fixed on a bracket 11 and faces the upper side of the hollow turntable 3; the ultrasonic device includes an ultrasonic generator 12 installed on the bracket 11. The ultrasonic generator 12 is located above the nozzle 10. During use, open the sealing door of the cover body 22, place the mobile phone glass blanks to be coated in the placing grooves 6 of each placing plate 5, and then close the sealing door. Appropriate coating liquid is added to the coating liquid tank 8, and the coating liquid is transported to the nozzle 10 for spraying through the air compressor pump 9. During spraying, the ultrasonic generator 12 converts high-frequency electrical energy into mechanical vibration, thereby generating ultrasonic waves. The liquid sprayed by the nozzle 10 is atomized under high-frequency vibration and coats the mobile phone glass blanks to be coated downward, forming a uniform and dense film with good optical properties and durability. During spraying and coating, the hollow turntable 3 is driven to rotate by the turntable drive, and the placing plate 5 is correspondingly driven to rotate and change positions. Different placing plates 5 rotate to the spraying station for spraying and coating, and the nozzle 10 and the ultrasonic generator 12 are intermittently sprayed through system control.

[0021] Specifically, gear teeth are provided at the edge of the placing plate 5. A rotating shaft 13 is provided at the bottom of the placing plate 5 and is rotationally installed on the placing plate 5 through a bearing. A column 14 is fixed on the installation plate 7. The top of the column 14 penetrates through the hollow turntable 3, and a gear disk 15 meshing with the gear teeth of the placing plate 5 is fixed at the top of the column 14; in this embodiment, during the spraying process, when the hollow turntable 3 drives the placing plate 5 to rotate around the center of the hollow turntable 3, since the gear disk 15 is fixed, the placing plate 5 will rotate automatically under the action of the gear disk 15, further improving the coating uniformity.

[0022] Specifically, a connecting flange 16 is provided at the bottom end of the upright column 14 and is fixed on the mounting plate 7 by fastening screws; in this embodiment, the upright column 14 and the gear disc 15 can be conveniently installed and disassembled on the mounting plate 7.

[0023] Specifically, the turntable drive includes a servo motor 17 fixed on the mounting plate 7. A driving gear 18 is fixed to the output shaft of the servo motor 17. An intermediate shaft 19 is installed on the workbench 2 through bearings. A first intermediate gear 20 meshing with the driving gear 18 is fixed to the bottom end of the intermediate shaft 19. Gear teeth are provided on the outer edge of the hollow turntable 3. A second intermediate gear 21 meshing with the gear teeth of the hollow turntable 3 is fixed to the top end of the intermediate shaft 19; in this embodiment, the servo motor 17 drives the driving gear 18 to rotate, thereby driving the first intermediate gear 20, the intermediate shaft 19, and the second intermediate gear 21 to rotate, and further driving the hollow turntable 3 to rotate, correspondingly driving the placement disc 5 to rotate and change positions, and different placement discs 5 rotate to the spraying station for spraying and coating.

[0024] Specifically, a cover body 22 covering the spray head 10 and the ultrasonic generator 12 is installed on the workbench 2, and a switchable sealing door is provided on the cover body 22; in this embodiment, it is avoided that the external working environment is affected during spraying and coating.

[0025] For the convenience of understanding the above technical solutions of the present invention, the working principle or operation method of the present invention in the actual process will be described in detail below.

[0026] Working principle: During use, the sealing door of the cover body 22 is opened, and the mobile phone glass blanks to be coated are placed in the placement grooves 6 of each placement disc 5, and then the sealing door is closed. A suitable coating solution is added to the coating solution tank 8, and the coating solution is conveyed to the spray head 10 by an air compressor pump 9 for spraying. During spraying, the ultrasonic generator 12 converts high-frequency electrical energy into mechanical vibration, thereby generating ultrasonic waves. The liquid sprayed by the spray head 10 is atomized under high-frequency vibration and coats the mobile phone glass blanks to be coated downward, forming a uniform and dense film with good optical properties and durability.

[0027] During spraying and coating, the servo motor 17 drives the driving gear 18 to rotate, thereby driving the first intermediate gear 20, the intermediate shaft 19, and the second intermediate gear 21 to rotate, and further driving the hollow turntable 3 to rotate, correspondingly driving the placement disc 5 to rotate and change positions, and different placement discs 5 rotate to the spraying station for spraying and coating. The spray head 10 and the ultrasonic generator 12 are controlled by the system to perform intermittent spraying.

[0028] During the spraying process, when the hollow turntable 3 drives the placement tray 5 to rotate around the center of the hollow turntable 3, since the toothed disc 15 is fixed, the placement tray 5 will rotate self - sufficiently under the action of the toothed disc 15, further improving the uniformity of the coating.

[0029] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mobile phone optical glass coating device, comprising a base (1), characterized in that: The base (1) is provided with a workbench (2), a spraying device and an ultrasonic device; the workbench (2) is provided with a hollow turntable (3), the hollow turntable (3) is rotatably connected to the workbench (2) via a shaft tube (4) and a bearing; a plurality of placement plates (5) are provided around the center of the hollow turntable (3), a placement groove (6) is provided on the top of the placement plate (5); a mounting plate (7) is provided at the bottom of the workbench (2); and a device for driving the hollow turntable is provided on the workbench (2). (3) is driven by a rotating turntable; the spraying device includes a coating liquid tank (8) located on the base (1), the coating liquid tank (8) is connected to a nozzle (10) through a pipeline and an air pump (9), and the nozzle (10) is fixed on a bracket (11) and faces the upper side of the hollow turntable (3); the ultrasonic device includes an ultrasonic generator (12) installed on the bracket (11), and the ultrasonic generator (12) is located above the nozzle (10).

2. A mobile phone optical glass coating device according to claim 1, characterized in that: The edge of the placement disk (5) is provided with gear teeth, the bottom of the placement disk (5) is provided with a rotating shaft (13) and is rotatably mounted on the placement disk (5) via a bearing, a column (14) is fixed on the mounting plate (7), the top of the column (14) passes through the hollow rotating disk (3), and a toothed disk (15) meshing with the gear teeth of the placement disk (5) is fixed on the top of the column (14).

3. A mobile phone optical glass coating device according to claim 2, characterized in that: The bottom end of the column (14) is provided with a connecting flange (16) and is fixed to the mounting plate (7) by means of fastening screws.

4. The mobile phone optical glass coating device according to claim 1, characterized in that: The turntable drive comprises a servo motor (17) fixed on the mounting plate (7), a driving gear (18) being fixed to the output shaft of the servo motor (17), an intermediate shaft (19) being mounted on the workbench (2) via a bearing, a first intermediate gear (20) being fixed at the bottom end of the intermediate shaft (19) and meshing with the driving gear (18), gear teeth being provided on the outer edge of the hollow turntable (3), and a second intermediate gear (21) being fixed at the top end of the intermediate shaft (19) and meshing with the gear teeth of the hollow turntable (3).

5. The mobile phone optical glass coating device according to claim 1, characterized in that: The workbench (2) is provided with a cover body (22) for covering the nozzle (10) and the ultrasonic generator (12), and the cover body (22) is provided with a sealing door that can be opened and closed.

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