A lens vacuum evaporation head structure with adjustable evaporation rate

Abstract

The present application relates to the technical field of lens vacuum evaporation, and discloses a lens vacuum evaporation head structure capable of adjusting evaporation rate, which comprises an operating table, a regulating groove is formed in the lower part of the inner wall of the operating table and below a heating groove, a plurality of heating rings are installed at the edge of the inner wall of the heating groove at equal distances, a metal block is connected to the inner wall of the heating groove, a contact shaft is fixedly arranged at the bottom of the metal block, an adjusting shaft is fixedly arranged at one end of the connecting shaft, and a pushing shaft is fixedly arranged at one end of the adjusting shaft, the pushing shaft pushes the adjusting shaft in the regulating groove, the hemispherical end head at one end of the adjusting shaft is in contact with the contact shaft at the bottom of the metal block, the contact shaft at the hemispherical bottom is extruded and then rises and falls in the heating groove, different numbers of heating rings are blocked, different degrees of heat emission are blocked, the heating intensity of the coating raw material is controlled, the control of the evaporation rate is realized, and the efficiency of lens processing is improved.

Description

Technical Field

[0001] This invention belongs to the technical field of vacuum evaporation of lenses, and specifically relates to a vacuum evaporation head structure for lenses with adjustable evaporation rate. Background Technology

[0002] Vacuum evaporation, or simply evaporation, refers to a process in which a coating material (or film material) is evaporated under vacuum conditions using a specific heating and evaporation method, causing the vaporized particles to condense on the substrate surface and form a film. Evaporation is one of the earliest and most widely used vapor deposition techniques, offering advantages such as simple film formation, high film purity and density, and unique film structure and properties. In lens production, this evaporation method is frequently used to coat the surface of lenses to improve gloss and light transmission. With the development of modern technology, the types of evaporation structures used in lens evaporation processes are constantly being improved, making them more convenient and efficient to use.

[0003] However, the existing vacuum evaporation head structure for lenses still has the following drawbacks during use:

[0004] 1. In the use of existing vacuum evaporation structures for lenses, the evaporation rate will vary depending on the vaporization temperature of different moving mold materials and the vacuum intensity required during evaporation. Ordinary evaporation structures do not have the function of adjusting the evaporation rate for different coating materials during the evaporation process, which leads to a significant decrease in the final vacuum evaporation efficiency of the lens, thereby reducing the production efficiency of the lens.

[0005] 2. The existing vacuum evaporation structure for lenses involves many steps during operation. It requires sealing the evaporation area, evacuating the area, injecting neutral gas for protection during evaporation, and fixing the coated lens. Completing this series of operations requires the use of multiple tools and the connection of these tools, making the operation very cumbersome and reducing the convenience of using the device.

[0006] Therefore, it is necessary to invent a lens vacuum evaporation head structure with adjustable evaporation rate to solve the above problems. Summary of the Invention

[0007] To address the aforementioned problems, this invention provides a lens vacuum evaporation head structure with adjustable evaporation rate, thereby solving the problems mentioned in the background art.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a lens vacuum evaporation head structure with adjustable evaporation rate, comprising an operating table, wherein an evaporation rate adjustment mechanism, a vacuum-fixed integrated evaporation assembly, and a fixing assembly are distributed on the upper end of the operating table in an inner and outer manner;

[0009] The vapor deposition rate adjustment mechanism includes a heating tank at one end of the inner wall of the operating table, an adjustment groove below the heating tank on the inner wall of the operating table, multiple heating rings evenly spaced along the edge of the inner wall of the heating tank, a metal block inserted through the inner wall of the heating tank, a contact shaft fixedly mounted at the bottom of the metal block, and the outer wall of the contact shaft inserted through the inner wall of the adjustment groove, a connecting shaft inserted through one side of the inner wall of the adjustment groove, an adjustment shaft fixedly mounted at one end of the connecting shaft, a push shaft fixedly mounted at one end of the adjustment shaft, and one end of the contact shaft passing through the inner wall of the adjustment groove and contacting the outer wall of the adjustment shaft, an installation groove on one side of the top of the operating table, the inner wall of the installation groove communicating with the inner wall of the heating tank, a raw material support mounted on the inner wall of the installation groove, an electric push rod mounted on one side of the outer wall of the operating table, and one end of the push shaft passing through the outer wall of one side of the operating table and fixedly connected to the output end of the electric push rod;

[0010] Preferably, a mounting bracket is installed on the top of the control panel at the outer edge of the mounting groove, a sealing cover is hinged to one side of the top of the mounting bracket, and a gas delivery control console is installed on the other side of the top of the control panel.

[0011] Preferably, a gas tank is installed at the middle position of the top of the gas transmission control console, and a connecting pipe is inserted and connected to the lower edge of one side of the gas tank, with one end of the connecting pipe connected to a gas transmission hose.

[0012] Preferably, the vacuum-fixed integrated evaporation assembly includes a connection hole on one side of the inner wall of the mounting frame, and an air pump is installed on one side of the outer wall of the mounting frame, with the output end of the air pump communicating with the inner wall of the connection hole.

[0013] Preferably, a lens pad is installed on the top of the inner wall of the sealing cover, and four limiting blocks are rotatably connected at equal distances to the bottom of the lens pad. A protective pad is fixed at one end of each of the four limiting blocks. An air inlet pipe is inserted and connected to one side of the outer wall of the sealing cover, and one end of the air delivery hose is inserted and connected to the inner wall of the air inlet pipe.

[0014] Preferably, the fixing component includes a connecting frame fixedly installed on one side of the mounting bracket, a limiting bracket fixedly provided on one side of the sealing cover, a fixing screw rotatably connected to the inner wall of the connecting frame, and the outer wall of one end of the fixing screw being inserted into the inner wall of the limiting bracket. A fixing ring is threadedly connected to the outer wall of the fixing screw, and the bottom of the fixing ring is in contact with the top of the limiting bracket.

[0015] Preferably, a control panel is installed on one side of the operating table, and the heating ring, electric push rod, air pump and air delivery control console are all electrically connected to an external power supply through the control panel.

[0016] The technical effects and advantages of this invention are as follows:

[0017] 1. This invention, by setting up a vapor deposition rate adjustment mechanism, activates the heating rings in the heating tank. By activating the electric push rod, the heating rings push the push shaft, causing the push shaft to push the adjustment shaft in the adjustment tank. This causes the hemispherical end of the adjustment shaft to contact and press against the contact shaft at the bottom of the metal block. After being pressed, the contact shaft at the bottom of the hemispherical end causes the metal block to rise and fall in the heating tank, thereby blocking different numbers of heating rings and thus blocking different degrees of heat dissipation. This controls the heating intensity of the coating material, achieving control of the vapor deposition rate. This facilitates uniform control of the vapor deposition rate for materials of different materials, thereby improving the efficiency of lens processing.

[0018] 2. This invention utilizes a vacuum-fixed integrated vapor deposition assembly. A sealed cover is placed on the mounting frame to create a closed space. After sealing, the gas in the closed space can be extracted directly by a vacuum pump on one side of the mounting frame, creating a vacuum. Then, a neutral gas can be injected into the area using a gas delivery control console and a gas delivery tank. Simultaneously, a lens pad on the upper part of the inner wall of the sealed cover supports the lens. By rotating the limiting block, the protective pad at its edge is pressed against the edge of the lens, thus fixing the lens. This achieves a series of operations such as vacuuming, lens fixing, and gas protection during the lens vapor deposition process. All of the above operations are completed by a single structure, eliminating the need for operators to connect external tools. This simplifies operation, makes the vapor deposition process smoother, and improves the ease of use of the device.

[0019] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures pointed out in the description, claims and drawings. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the entire invention;

[0022] Figure 2 This is a schematic diagram of the interior of the operating console of the present invention;

[0023] Figure 3 This is a schematic diagram of the sealing cover on the operating table of the present invention after it is opened;

[0024] Figure 4This is a schematic diagram of the top of the operating table of the present invention;

[0025] Figure 5 This is a schematic diagram of the mounting bracket and sealing cover of the present invention unfolded;

[0026] Figure 6 This is a schematic diagram of the fixing component of the present invention.

[0027] In the diagram: 1. Operating table; 2. Evaporation rate adjustment mechanism; 201. Heating tank; 202. Adjustment tank; 203. Heating ring; 204. Metal stop; 205. Contact shaft; 206. Connecting shaft; 207. Adjustment shaft; 208. Push shaft; 209. Mounting slot; 210. Raw material support; 211. Electric push rod; 3. Mounting frame; 4. Sealing cover; 5. Gas supply control console; 6. Gas supply tank; 7. Connecting pipe; 8. Gas supply hose; 9. Vacuum-fixed integrated evaporation assembly; 901. Connecting hole; 902. Air pump; 903. Lens pad; 904. Limiting block; 905. Protective pad; 906. Air inlet pipe; 10. Fixing assembly; 1001. Connecting frame; 1002. Limiting bracket; 1003. Fixing screw; 1004. Fixing ring. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] This invention provides, for example Figure 1-6 The structure of a lens vacuum evaporation head with adjustable evaporation rate shown includes an operating table 1, characterized in that: the upper end of the operating table 1 is provided with an evaporation rate adjustment mechanism 2, a vacuum fixed integrated evaporation assembly 9 and a fixing assembly 10 distributed in an inner and outer manner.

[0030] The vapor deposition rate adjustment mechanism 2 includes a heating tank 201 located at one end of the inner wall of the operating table 1. An adjustment groove 202 is located below the heating tank 201 on the inner wall of the operating table 1. Multiple heating rings 203 are evenly spaced along the edge of the inner wall of the heating tank 201. A metal stop 204 is inserted through the inner wall of the heating tank 201. A contact shaft 205 is fixedly installed at the bottom of the metal stop 204, and the outer wall of the contact shaft 205 is inserted through the inner wall of the adjustment groove 202. A connecting shaft 206 is inserted through one side of the inner wall of the adjustment groove 202. One end of the connecting shaft 206... An adjustment shaft 207 is fixedly provided, and a push shaft 208 is fixedly provided at one end of the adjustment shaft 207. One end of the contact shaft 205 passes through the inner wall of the adjustment groove 202 and contacts the outer wall of the adjustment shaft 207. An installation groove 209 is provided on one side of the top of the operating table 1, and the inner wall of the installation groove 209 is connected to the inner wall of the heating groove 201. A raw material support 210 is installed on the inner wall of the installation groove 209. An electric push rod 211 is installed on one side of the outer wall of the operating table 1, and one end of the push shaft 208 passes through the outer wall of one side of the operating table 1 and is fixedly connected to the output end of the electric push rod 211.

[0031] In use, the coating material for vacuum evaporation of the lens is placed on the material support 210 in the mounting slot 209 on one side of the top of the operating table 1. Then, the lens is fixed by the lens pad 903 inside the sealing cover 4. The sealing cover 4 is rotated to cover the top of the mounting frame 3 and fixed to the mounting frame 3 by the fixing component 10 to ensure tight contact. At this time, the heating ring 203 in the heating tank 201 is activated, and the heating ring 203 is as shown in the instruction manual. Figure 2 As shown, the heating rings are arranged in inner and outer rings and can be individually activated via the control panel. Based on the temperature required for the vaporization of the raw material, a corresponding number of heating rings 203 are activated to control the temperature within the heating tank 201. Simultaneously, the user can activate the electric push rod 211 to push the propulsion shaft 208, causing the propulsion shaft 208 to push the adjustment shaft 207 in the adjustment tank 202. This causes the hemispherical end of the adjustment shaft 207 to contact and press against the contact shaft 205 at the bottom of the metal stop 204. The pressure on the contact shaft 205 causes the metal stop 204 to rise and fall within the heating tank 201, thereby blocking different numbers of heating rings 203 and preventing varying degrees of heat dissipation. This controls the heating intensity of the coating material, achieving control of the vaporization rate. This facilitates uniform vaporization rate control for different materials, thereby improving the efficiency of lens processing.

[0032] Furthermore, a mounting bracket 3 is installed on the top of the control panel 1 at the outer edge of the mounting groove 209. A sealing cover 4 is hinged to one side of the top of the mounting bracket 3. A gas delivery control console 5 is installed on the other side of the top of the control panel 1. The gas delivery control console 5 is electrically connected, thereby controlling the amount of neutral gas discharged from the gas delivery tank 6 at its upper end.

[0033] A gas supply tank 6 is installed in the middle of the top of the gas supply control console 5. A connecting pipe 7 is inserted and connected to the lower edge of one side of the gas supply tank 6. One end of the connecting pipe 7 is connected to a gas supply hose 8. During the vapor deposition process, the emission of neutral gas from the gas supply tank 6 is controlled by the gas supply control console 5. The neutral gas is introduced into the sealing cover 4 through the connecting pipe 7 and the gas supply hose 8, thereby protecting the lens vapor deposited therein.

[0034] Furthermore, the vacuum-fixed integrated vapor deposition assembly 9 includes a connection hole 901 opened on one side of the inner wall of the mounting frame 3, and a vacuum pump 902 is installed on one side of the outer wall of the mounting frame 3. The output end of the vacuum pump 902 is connected to the inner wall of the connection hole 901. Since the vapor deposition area is mainly in the area enclosed by the mounting frame 3, the vacuum pump 902 is always installed on the outside of the mounting frame 3 and is connected to the connection hole 901 on the mounting frame 3, so that the gas in the area can be evacuated at any time under the sealing of the sealing cover 4.

[0035] A lens pad 903 is installed on the top of the inner wall of the sealing cover 4. Four limiting blocks 904 are rotatably connected at equal intervals to the bottom of the lens pad 903. A protective pad 905 is fixed to one end of each of the four limiting blocks 904. An air inlet pipe 906 is inserted and connected to one side of the outer wall of the sealing cover 4, and one end of the gas delivery hose 8 is inserted and connected to the inner wall of the air inlet pipe 906. When using this vapor deposition structure to perform vacuum vapor deposition on the lens, the sealing cover 4 is placed on the mounting frame 3 to create a sealed space. After sealing, the gas in the sealed space can be extracted directly by the vacuum pump 902 on one side of the mounting frame 3, so that the gas in the sealed space is purified. In a vacuum state, neutral gas can be injected into the area by cooperating with the gas supply control console 5 and the gas supply tank 6. At the same time, the lens can be supported by the lens pad 903 on the inner wall of the sealing cover 4. By rotating the limiting block 904, the protective pad 905 at its edge is pressed against the edge of the lens to fix the lens. This realizes a series of operations such as vacuuming, lens fixing and gas protection during the lens evaporation process. All of the above operations are completed by a whole structure, without the need for operators to connect external tools. The operation is simpler and the evaporation process is smoother, thereby improving the convenience of using the device.

[0036] Furthermore, the fixing assembly 10 includes a connecting frame 1001 fixedly installed on one side of the mounting bracket 3, and a limiting bracket 1002 fixedly provided on one side of the sealing cover 4. A fixing screw 1003 is rotatably connected to the inner wall of the connecting frame 1001, and the outer wall of one end of the fixing screw 1003 is inserted into the inner wall of the limiting bracket 1002. A fixing ring 1004 is threadedly connected to the outer wall of the fixing screw 1003, and the bottom of the fixing ring 1004 contacts the top of the limiting bracket 1002. After the sealing cover 4 is rotated onto the mounting bracket 3, the fixing screw 1003 is rotated on the connecting frame 1001 to make it... One end of the outer wall is inserted into the limiting bracket 1002. Then, the fixing ring 1004, which is threadedly connected to the fixing screw 1003, is screwed onto the outer wall of the fixing screw 1003, causing it to descend and press against the upper side of the limiting bracket 1002. This compresses the sealing cover 4 and the mounting bracket 3, making them tightly connected together, ensuring the airtightness of the vapor deposition area and improving the vapor deposition efficiency. At the same time, a protective pad 905 is provided at the end of each limiting block 904. When fixing the lens, the protective pad 905 contacts the lens, which can reduce wear on the lens and improve the protection of the lens, as shown in the instruction manual. Figure 5 As shown, the bottom of the lens pad 903 is provided with four limiting blocks 904. Depending on the size of the lens, different numbers of limiting blocks 904 can be rotated to press it, which is convenient for fixing lenses of different sizes.

[0037] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An adjustable evaporation rate lens vacuum evaporation head structure, comprising an operating table (1), characterized in that: The operation platform (1) upper end is internally and externally distributed with evaporation rate adjusting mechanism (2), vacuum fixing integrated evaporation assembly (9) and fixing assembly (10); The evaporation rate adjusting mechanism (2) includes the heating groove (201) opened in the inner wall of the operation platform (1) one end, the adjusting groove (202) is opened to the lower of the inner wall of the operation platform (1) in the heating groove (201), a plurality of heating rings (203) are installed at the edge of the inner wall of the heating groove (201) at equal distance, the inner wall of the heating groove (201) is connected with the metal block (204), the bottom of the metal block (204) is fixed with the contact shaft (205), and the outer wall of the contact shaft (205) is connected with the inner wall of the adjusting groove (202), one side of the inner wall of the adjusting groove (202) is connected with the connecting shaft (206), one end of the connecting shaft (206) is fixed with the adjusting shaft (207), one end of the adjusting shaft (207) is fixed with the advancing shaft (208), and one end of the contact shaft (205) passes through the inner wall of the adjusting groove (202) and contacts with the outer wall of the adjusting shaft (207), one side of the top of the operation platform (1) is provided with the mounting groove (209), and the inner wall of the mounting groove (209) is communicated with the inner wall of the heating groove (201), the inner wall of the mounting groove (209) is provided with the raw material support (210), and one side of the outer wall of the operation platform (1) is provided with the electric push rod (211), and one end of the advancing shaft (208) passes through the outer wall of one side of the operation platform (1) and is fixedly connected with the output end of the electric push rod (211).

2. The mirror vacuum evaporation head structure with adjustable evaporation rate according to claim 1, characterized in that: The mounting frame (3) is installed at the outer edge of the mounting groove (209) of the top of the operation platform (1), one side of the top of the mounting frame (3) is hinged with the sealing cover (4), and the other side of the top of the operation platform (1) is provided with the gas supply control console (5).

3. The mirror vacuum evaporation head structure with adjustable evaporation rate according to claim 2, characterized in that: The gas supply tank (6) is installed at the middle position of the top of the gas supply control console (5), the connecting pipe (7) is connected with the gas supply hose (8) at one end.

4. The structure of the mirror vacuum evaporation head with adjustable evaporation rate according to claim 2, characterized in that: The vacuum fixing integrated evaporation assembly (9) includes the connecting hole (901) opened in the inner wall of the mounting frame (3), and the outer wall of the mounting frame (3) is provided with the air pump (902), and the output end of the air pump (902) is communicated with the inner wall of the connecting hole (901).

5. The structure of a mirror vacuum evaporation head with adjustable evaporation rate according to claim 2, wherein: The inner wall of the sealing cover (4) is provided with the lens backing plate (903) at the top, the bottom of the lens backing plate (903) is rotatably connected with four limiting blocks (904), one end of the four limiting blocks (904) is fixedly provided with the protective pad (905), one side of the outer wall of the sealing cover (4) is connected with the air inlet pipe (906), and one end of the gas supply hose (8) is connected with the inner wall of the air inlet pipe (906).

6. The mirror vacuum evaporation head structure with adjustable evaporation rate according to claim 5, characterized in that: The fixed assembly (10) comprises a connecting frame (1001) fixedly installed on one side of the mounting rack (3), one side of the sealing cover (4) is fixedly provided with a limiting clamping frame (1002), the inner wall of the connecting frame (1001) is rotationally connected with a fixing screw rod (1003), and the outer wall of one end of the fixing screw rod (1003) is in plug connection with the inner wall of the limiting clamping frame (1002), the outer wall of the fixing screw rod (1003) is in threaded connection with a fixing ring (1004), and the bottom of the fixing ring (1004) is in contact with the top of the limiting clamping frame (1002).

7. The structure of a mirror vacuum evaporation head with adjustable evaporation rate according to claim 4, wherein: One side of the operation table (1) is provided with a control panel, and the heating ring (203), the electric push rod (211), the air suction pump (902) and the air conveying console (5) are all electrically connected with the external power supply through the control panel.

Images