CN210394501U

CN210394501U - Coating device for producing digital lens

Info

Publication number: CN210394501U
Application number: CN201921527805.6U
Authority: CN
Inventors: 吴国源
Original assignee: Dongguan Asahi Optical Co Ltd
Current assignee: Dongguan Asahi Optical Co Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-04-24
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a coating film device of digital camera lens production usefulness, including supporting leg, electric heater and work or material rest, the upper portion fixedly connected with casing of lower backup pad, the inside of casing is separated into five intervals of A, B, C, D, E through sealed heat insulating board, and B, C, D, E four interval bottoms are provided with the coating by vaporization import respectively, the sealed lid intercommunication at communicating pipe and electric heater top is passed through to the lower part of coating by vaporization import, and installs high temperature resistant gate valve on communicating pipe, be provided with the storage case of raw materials for the coating by vaporization on the work or material rest, one side of storage case run through in sealed lid and with the inside crucible intercommunication of electric heater through drawing liquid pump and drawing liquid pipe. The utility model discloses an at inside B, C, D, E four districts that set up of casing, four districts can recycle, still can act as four functional areas simultaneously and use, and the mode that uses is favorable to quality and efficiency control more than current a single district.

Description

Coating device for producing digital lens

Technical Field

The utility model relates to a digital camera lens production technical field specifically is a coating film device of digital camera lens production usefulness.

Background

The digital camera is a high-definition camera, and its lens has good light transmittance. The prior art adopts a coating on the surface of a lens, and the reflection of light on a refraction interface is reduced through the coating so as to increase the transmittance of light. In complex optical systems, it may also reduce scattered light in the system. The lens is an optical component for producing an image in a film camera or a projector, and the transmittance of light is required to be high during the use of the lens.

Most of the existing lens coating adopts a vacuum deposition method to carry out coating, and a material to be deposited is heated in a high-vacuum container until the material is vaporized and sublimated, and the gas is attached to the surface of a substrate placed nearby to form a layer of thin film. The existing coating device mostly has only one area, when in use, materials need to be placed → sealed → vacuumized → vapor deposition → cooling pressure release → discharge, the operation is more complicated because of the only one area in the process, and the product quality is easily reduced because of incomplete preheating or precooling if the process is over-emergency operation. Therefore, we propose a film coating device for producing digital lens, which is provided with a plurality of regions and can be used in a cyclic and successive way.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coating film device of digital camera lens production usefulness, through at the inside B, C, D, E four districts that set up of casing, four districts can recycle, still can act as four functional areas simultaneously and use, and the mode that uses in the current single district of comparison is favorable to quality and efficiency control more to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a film coating device for producing a digital lens comprises a supporting leg, an electric heating furnace and a material rack, wherein the upper part of the supporting leg is fixedly connected with a lower supporting plate, the upper part of the lower supporting plate is fixedly connected with a shell, the upper part of the shell is fixedly connected with an upper supporting plate, the interior of the shell is divided into A, B, C, D, E five sections by sealing and heat insulating plates, and B, C, D, E are provided with evaporation inlets at the bottoms thereof, the lower parts of the evaporation inlets are communicated with a sealing cover at the top of the electric heating furnace through communicating pipes, and the communicating pipe is provided with a high temperature resistant gate valve, the tops of the B, C, D, E four sections are respectively communicated with a sealed empty box through air pipes, the upper part of the sealed empty box is provided with a vacuum pump communicated with the sealed empty box, the material rack is provided with a material storage box for evaporation raw materials, one side of the material storage box penetrates through the sealing cover through the liquid pumping pump and the liquid pumping pipe and is communicated with the crucible inside the electric heating furnace.

Preferably, sealing doors are respectively installed at the outer sides of the B, C, D, E four sections in the shell, and a temperature meter and a gas pressure meter are installed on the sealing doors.

Preferably, the liquid pump is provided as a flow pump.

Preferably, the air pipe is provided with an air valve.

Preferably, a sealing window is installed on the side surface of the sealing cover of the electric heating furnace, and a thermocouple for detecting the temperature in the crucible is installed on one side of the electric heating furnace.

Preferably, the inside of the area A of the shell is filled with a heat insulation cotton layer, and the inside of the area B, C, D, E of the shell is respectively provided with a lens placing frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model arranges B, C, D, E four areas in the shell, which can be used circularly and can also be used as four functional areas, thus being more beneficial to quality and efficiency control than the existing mode of using one area;

2. through the communicating pipe and the trachea that set up, can control coating by vaporization and evacuation setting respectively, do not influence each other convenient to use.

Drawings

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

fig. 2 is a schematic view of the interior of the housing of the present invention;

fig. 3 is a schematic view of the internal structure of the electric heating furnace of the present invention.

In the figure: 1. an electric furnace; 2. supporting legs; 3. a lower support plate; 4. a thermometer; 5. a barometer; 6. a valve for gas; 7. a vacuum pump; 8. sealing the empty box; 9. an air tube; 10. an upper support plate; 11. a sealing door; 12. a housing; 13. a liquid pumping pipe; 14. a liquid pump; 15. a material storage box; 16. a material rack; 17. a communicating pipe; 18. a high temperature resistant gate valve; 19. an evaporation inlet; 20. sealing the heat insulation plate; 21. a sealing cover; 22. a crucible; 23. sealing the window; 24. and a thermocouple.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the coating device for producing the digital lens comprises a supporting leg 2, an electric heating furnace 1 and a material rest 16, wherein the upper part of the supporting leg 2 is fixedly connected with a lower supporting plate 3, the upper part of the lower supporting plate 3 is fixedly connected with a shell 12, the upper part of the shell 12 is fixedly connected with an upper supporting plate 10, the interior of the shell 12 is divided into A, B, C, D, E five sections through a sealing heat insulation plate 20, the bottoms of B, C, D, E four sections are respectively provided with an evaporation inlet 19, the lower part of the evaporation inlet 19 is communicated with a sealing cover 21 at the top of the electric heating furnace 1 through a communicating pipe 17, a high-temperature resistant gate valve 18 is arranged on the communicating pipe 17, the tops of B, C, D, E four sections are respectively communicated with a sealing empty box 8 through an air pipe 9, the upper part of the sealing empty box 8 is provided with a vacuum pump 7 communicated with the sealing empty box 8, one side of the storage tank 15 penetrates through the sealing cover 21 through the liquid pumping pump 14 and the liquid pumping pipe 13 and is communicated with a crucible 22 inside the electric heating furnace 1.

Sealing doors 11 are respectively installed on the outer sides of B, C, D, E four sections in the shell 12, a thermometer 4 and an air pressure gauge 5 are installed on the sealing doors 11, and the temperature and the air pressure conditions in each section are monitored through the thermometer 4 and the air pressure gauge 5. Because the electric heating furnace 1 is in a relatively sealed state, the liquid level in the electric heating furnace is difficult to observe, and the liquid pump 14 is set as a flow pump, so that the addition amount of the materials can be accurately controlled. The air pipe 9 is provided with an air valve 6, and different areas are vacuumized or decompressed through the selection of the air valve 6. A sealing window 23 is installed on the side surface of the sealing cover 21 of the electric heating furnace 1, and a thermocouple 24 for detecting the temperature inside the crucible 22 is installed on one side of the electric heating furnace 1. The inside of A district of casing 12 is filled with thermal-insulated cotton layer, and the B, C, D, E district inside of casing 12 is provided with the lens rack respectively.

As shown in fig. 2, in the using process, if the zone C is in the evaporation deposition, the zone B is a preheating zone, the zone D is a pre-cooling zone, and the zone E is a loading and unloading zone. After the switching operation (before the switching, the preheating zone in the zone B needs to be vacuumized by a vacuum pump 7, then the high-temperature-resistant gate valve 18 under the zone B is opened, and then the high-temperature-resistant gate valve 18 under the zone C is closed), the zone B is converted into an evaporation deposition zone, the zone C is a pre-cooling zone, the zone E is a preheating zone, and the zone D is a pre-cooling zone. The utility model discloses an in the design, compare traditional coating by vaporization device, sealed heat insulating board 20's thermal-insulated grade can reduce 1-2 grades, allows it outwards to give off the heat, and when the coating by vaporization, the heat that dispels the heat is used for preheating the preheating zone respectively and delays the cooling rate in precooling zone. Sufficient time is left for preheating and precooling, cracking and cracking caused by sudden heat and shock cooling are prevented, product quality is improved, independent preparation time does not need to be reserved, and working efficiency is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coating device of digital camera lens production usefulness, includes supporting leg (2), electric heater (1) and work or material rest (16), its characterized in that: the upper portion of the supporting leg (2) is fixedly connected with a lower supporting plate (3), the upper portion of the lower supporting plate (3) is fixedly connected with a shell (12), the upper portion of the shell (12) is fixedly connected with an upper supporting plate (10), the interior of the shell (12) is divided into A, B, C, D, E five sections through a sealing heat insulation plate (20), evaporation inlets (19) are respectively arranged at the bottoms of B, C, D, E four sections, the lower portion of each evaporation inlet (19) is communicated with a sealing cover (21) at the top of the electric heating furnace (1) through a communicating pipe (17), a high-temperature-resistant gate valve (18) is arranged on each communicating pipe (17), the tops of B, C, D, E four sections are respectively communicated with a sealing empty box (8) through an air pipe (9), a vacuum pump (7) communicated with the sealing empty box (8) is arranged at the upper portion of the sealing empty box (8, the material rack (16) is provided with a material storage box (15) of evaporation raw materials, and one side of the material storage box (15) penetrates through the sealing cover (21) through a liquid pumping pump (14) and a liquid pumping pipe (13) and is communicated with a crucible (22) in the electric heating furnace (1).

2. The film coating device for producing the digital lens according to claim 1, wherein: sealing door (11) are installed respectively to the outside of the inside B, C, D, E four intervals of casing (12), install thermometer (4) and barometer (5) on sealing door (11).

3. The film coating device for producing the digital lens according to claim 1, wherein: the liquid pump (14) is designed as a flow pump.

4. The film coating device for producing the digital lens according to claim 1, wherein: and a valve (6) for gas is arranged on the gas pipe (9).

5. The film coating device for producing the digital lens according to claim 1, wherein: a sealing window (23) is installed on the side face of a sealing cover (21) of the electric heating furnace (1), and a thermocouple (24) used for detecting the temperature inside the crucible (22) is installed on one side of the electric heating furnace (1).

6. The film coating device for producing the digital lens according to claim 1, wherein: the inside of A district of casing (12) is filled with thermal-insulated cotton layer, the inside lens rack that is provided with respectively of B, C, D, E district of casing (12).