CN113981377A - Optical lens coating method - Google Patents
Optical lens coating method Download PDFInfo
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- CN113981377A CN113981377A CN202111201876.9A CN202111201876A CN113981377A CN 113981377 A CN113981377 A CN 113981377A CN 202111201876 A CN202111201876 A CN 202111201876A CN 113981377 A CN113981377 A CN 113981377A
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- 238000000576 coating method Methods 0.000 title claims abstract description 44
- 230000003287 optical effect Effects 0.000 title claims abstract description 38
- 239000011248 coating agent Substances 0.000 claims abstract description 34
- 238000001704 evaporation Methods 0.000 claims abstract description 33
- 230000008020 evaporation Effects 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000007888 film coating Substances 0.000 claims abstract description 10
- 238000009501 film coating Methods 0.000 claims abstract description 10
- 239000005002 finish coating Substances 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 22
- 230000009471 action Effects 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/50—Substrate holders
- C23C14/505—Substrate holders for rotation of the substrates
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Eyeglasses (AREA)
Abstract
The invention discloses an optical lens coating method, which comprises the following steps: s1, opening the door plate, placing a coating material on the evaporation source, and controlling the notch of the arc frame to face the opening of the box body; s2, fixing the lens on a clamping and overturning mechanism, and controlling the notch of the arc frame to face the bottom of the box body; s3, starting a vacuum pump, vacuumizing the interior of the box body, enabling an evaporation source to work, and evaporating a coating material on the lens to finish coating on one side of the lens; s4, after the film coating on one side of the lens is finished, firstly controlling the vacuum pump and the evaporation source to stop working, and then controlling the clamping and turning mechanism to turn the lens arranged on the clamping and turning mechanism 180 degrees; s5, when the turning of the lens is finished, starting a vacuum pump, controlling an evaporation source to work, and evaporating a coating material on the lens to finish coating on the other side of the lens; s6, after coating films on both sides of the lens, firstly controlling the door panel to rotate to the horizontal position; the method for coating the optical lens is simple to operate and can efficiently and quickly realize coating of the optical lens.
Description
Technical Field
The invention relates to the technical field of optical lenses, in particular to a coating method of an optical lens.
Background
With the development of science and technology, optical lenses have been widely used in the technical fields of digital cameras, mobile phones, projectors, video cameras, etc., and the optical lenses need to ensure higher purity, transparency, uniformity, etc. in the production process. The coating process is one of the important steps in the subsequent treatment. At present, the film coating operation of an optical lens is a process of placing the lens in a film coating machine, and evaporating one layer or evaporating a plurality of layers of films on a lens substrate upwards from an evaporation source under a vacuum condition, and the film coating operation in the prior art generally has the following problems:
1. before the optical lenses are coated, a large number of optical lenses need to be placed on the placing frame manually, and the placing frame with the optical lenses placed therein needs to be installed inside a coating machine manually, so that the workload is high in the process, the installation error is easy to occur, and the dangerous accident of breaking the lenses can occur in serious cases;
2. when the optical lenses are coated, the optical lenses need to be placed on the placing frame, and due to the fact that the specifications of the lenses are various, the corresponding placing frame is various in variety, and when multiple batches of optical lenses with multiple specifications are produced, the placing frame needs to be frequently replaced, and production efficiency can be reduced;
3. after the optical lens is coated on one side, the coating is stopped, the lens is taken out, and the back surface of the optical lens is coated after the optical lens is manually turned over; in the process, the workload of workers is large, and the phenomenon of overturning missing can occur; influence the production of optical lenses;
4. after the optical lens is coated on one side, the coating is stopped, the lens is taken out, and the back surface of the optical lens is coated after the optical lens is manually turned over; workers can leave stains on the surface of the lens when touching the lens, which affects the quality of the optical lens.
Disclosure of Invention
The invention aims to provide a method for coating an optical lens, which is simple to operate and can efficiently and quickly realize coating of the optical lens.
In order to achieve the purpose, the invention provides the following technical scheme: a coating method of an optical lens uses a coating device, the coating device comprises a box body, an opening is arranged on the left side of the box body, a cross rod is arranged in the box body and close to the opening, a first track is arranged above the cross rod in the box body along the left-right direction, a first sliding block is connected onto the first track in a sliding mode, and a door plate used for controlling the opening or closing of the opening is hinged onto the first sliding block; an arc frame connected with the first sliding block is hinged in the box body, and a plurality of clamping and overturning mechanisms for clamping lenses are uniformly arranged on the arc frame at intervals along the direction of an arc line; an evaporation source and a vacuum pump are arranged at the bottom of the box body, when the door plate rotates to the horizontal position and the first sliding block moves to the right end of the first track, the notch of the arc frame faces the opening of the box body, when the door plate rotates to the vertical position and the first sliding block moves to the left end of the first track, the notch of the arc frame faces the bottom of the box body, and the evaporation source is located at the circle center of the arc frame; the optical lens coating method comprises the following steps:
s1, opening the door plate, placing a coating material on the evaporation source, continuing to open the door plate and rotate to a horizontal position, then pushing the door plate rightwards, enabling the door plate to drive the first sliding block to move rightwards along the first track, and enabling the first sliding block to drive the arc frame to rotate around the hinge shaft until the notch of the arc frame faces the opening of the box body;
s2, fixing the lens on a clamping and overturning mechanism, controlling the door plate to move leftwards and rotate to a vertical position, and driving the notch of the arc frame to face the bottom of the box body by the first sliding block;
s3, starting a vacuum pump, vacuumizing the interior of the box body, enabling an evaporation source to work, and evaporating a coating material on the lens to finish coating on one side of the lens;
s4, after the film coating on one side of the lens is finished, firstly controlling the vacuum pump and the evaporation source to stop working, and then controlling the clamping and turning mechanism to turn over the lens arranged on the clamping and turning mechanism by 180 degrees so that the side of the lens without the film coating faces downwards;
s5, when the turning of the lens is finished, starting a vacuum pump, vacuumizing the interior of the box body, enabling an evaporation source to work, and evaporating a coating material on the lens to finish coating on the other side of the lens;
s6, after films are coated on both sides of the lens, the door plate is firstly controlled to rotate to the horizontal position, and the lens in the clamping and turning mechanism is taken down by workers.
Furthermore, a first connecting rod is hinged to the first sliding block, a second connecting rod is hinged to one end, away from the first sliding block, of the first connecting rod, and one end, away from the first connecting rod, of the second connecting rod is hinged to the end portion of the arc frame.
Further, the clamping and overturning mechanism comprises a second sliding block, a radial notch is formed in the arc frame, a second track is fixedly arranged on one side of the radial notch along the radial direction of the arc frame, the second sliding block is connected to the second track in a sliding manner, a shaft rod is rotatably connected in the second sliding block, a lens clamping assembly is arranged at one end of the shaft rod, which extends out of the radial notch, a first gear is arranged at one end of the shaft rod, which extends into the radial notch, the first gear is fixedly connected with the shaft rod along the circumferential direction and is connected with the shaft rod in a sliding manner along the axial direction, a toothed plate parallel to the second track is fixedly arranged on the side wall of the radial notch, and a rack section is arranged on the toothed plate; the switching assembly is connected with the first gear, controls the first gear to move to a position coplanar with the toothed plate when the second sliding block moves to the lower end of the second track, and controls the first gear to move to a position completely staggered with the toothed plate when the second sliding block moves to the upper end of the second track; the arc frame is characterized in that a radial plate is arranged at a radial notch, a first electric push rod is fixedly arranged on the radial plate, the telescopic end of the first electric push rod is fixedly connected with the second sliding block, and the first electric push rod is used for driving the second sliding block to move upwards or downwards.
Furthermore, when first electric putter drive second slider by orbital lower extreme upward movement of second, first gear passes through the axostylus axostyle and drives lens centre gripping subassembly and rotate 180, when first electric putter drive second slider by orbital upper end downward movement of second, the axostylus axostyle is fixed motionless.
Furthermore, the lens clamping assembly comprises a clamping plate fixedly arranged at the end part of the shaft rod, a rotary groove is arranged in the clamping plate, and a through hole is formed in the bottom of the rotary groove; an inner gear ring is rotationally connected in the rotary groove, a communication port communicated with the rotary groove is formed in the side face of the clamping plate, a shifting rod extending out of the communication port is arranged on the outer side of the inner gear ring, and a push rod assembly used for forcing the shifting rod to move in the direction away from the arc frame is arranged in the clamping plate; a plurality of second gears which are rotatably connected with the inner side of the inner gear ring in the rotary groove and are meshed with the inner gear ring are rotatably connected along the circumferential direction of the inner gear ring, clamping jaws are arranged on the side surface of each second gear along the radial direction, and clamping openings for placing lenses are formed in the side surfaces of the clamping jaws; when the shifting lever is located at one end, close to the arc frame, of the communication port, the inner gear ring drives the second gear to drive the clamping jaws to be opened, and when the shifting lever is located at one end, far away from the arc frame, of the communication port, the inner gear ring drives the second gear to drive the clamping jaws to be closed to clamp the lens.
Further, the ejector rod assembly comprises a first spring, a first mounting groove communicated with the communicating port is formed in the clamping plate, a first ejector block is connected in the first mounting groove in a sliding mode, and an ejector tightening rod extending into the communicating port is arranged on the first ejector block; the first spring is positioned in the first mounting groove and used for forcing the first ejector block to drive the puller rod to abut against the deflector rod.
Furthermore, the switching assembly comprises a control panel, a first sliding groove is formed in the second sliding block along the circumferential direction of the shaft lever, the control panel is connected in the first sliding groove in a sliding manner along the axial direction of the shaft lever, and a clamping groove for the first gear to extend into is formed in the side surface of the control panel; an upper baffle and a lower baffle are arranged in the radial groove and are opposite to the side face of the second track, an upper inclined plane is arranged on the upper baffle, a lower inclined plane is arranged on the lower baffle, a communication groove opening communicated with the first sliding groove is formed in the second sliding block, a shifting column extending out of the communication groove opening is arranged on the control panel, and the shifting column is located between the upper baffle and the lower baffle; when the second sliding block moves to the lower end of the second track, the shifting column drives the second gear to move to a position coplanar with the toothed plate through the control plate under the action of the lower inclined plane; when the second slider moves to the upper end of the second track, the shifting column drives the second gear to move to a position completely staggered with the toothed plate through the control plate under the action of the upper inclined plane.
Furthermore, a second mounting groove communicated with the first sliding groove is formed in the second sliding block, a positioning ball and a second spring used for forcing the positioning ball to be tightly pressed on the control plate are arranged in the second mounting groove, a first positioning hole and a second positioning hole are formed in the control plate, and when the second sliding block moves to the lower end of the second track, the positioning ball is located in the first positioning hole; when the second slide block moves to the upper end of the second track, the positioning ball is positioned in the second positioning hole.
Advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. by using the lens clamping assembly with the changeable clamping inner diameter, the lens clamping assembly can clamp round optical lenses with different diameters, so that the lens clamping assembly is suitable for lenses with various specifications, the production efficiency is improved, and the cost is reduced;
2. by using the lens clamping assembly capable of being opened quickly and the arc frame linked with the door plate, when the lens is installed, the arc frame automatically and vertically comes to an opening when the door plate is opened, a worker can stand on the arc frame, and the lens clamping assembly is opened quickly to install and clamp the lens; after the installation is finished, the door plate is closed, the arc frame automatically rotates to the working position, manual special installation is not needed, the operation is convenient and fast, and manpower is saved;
3. through the lens centre gripping subassembly that uses can turn over for after lens one side coating film, lens centre gripping subassembly turn over directly coats the membrane to the lens another side, convenient and fast.
Drawings
FIG. 1 is a sectional view of the present invention during coating;
FIG. 2 is a cross-sectional view of the present invention with the lens installed;
FIG. 3 is an enlarged view taken at I of FIG. 1 according to the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 in accordance with the present invention;
FIG. 5 is a cross-sectional view of the lens clamping assembly of the present invention gripping a lens;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4 in accordance with the present invention;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 4 in accordance with the present invention;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 6 in accordance with the present invention;
FIG. 9 is a cross-sectional view taken in the direction E-E of FIG. 6 in accordance with the present invention;
FIG. 10 is a cross-sectional view taken in the direction D-D during inversion of the lens holder assembly of FIG. 6 in accordance with the present invention;
FIG. 11 is a cross-sectional view in the direction E-E of the lens holder assembly of FIG. 6 during inversion in accordance with the present invention.
Detailed Description
Referring to fig. 1 to 11, a coating method for an optical lens uses a coating apparatus, the coating apparatus includes a box 1, an opening is provided on a left side of the box 1, a cross bar 12 is provided in the box 1 near the opening, a first rail 13 is provided in the box 1 above the cross bar 12 along a left-right direction, a first slider 42 is slidably connected to the first rail 13, and a door panel 11 for controlling the opening or closing of the opening is hinged to the first slider 42; an arc frame 31 connected with a first sliding block 42 is hinged in the box body 1, and a plurality of clamping and turning mechanisms for clamping lenses are uniformly arranged on the arc frame 31 at intervals along the direction of an arc line; the bottom of the box body 1 is provided with an evaporation source 2 and a vacuum pump 8, when the door panel 11 rotates to the horizontal position and the first slide block 42 moves to the right end of the first track 13, the notch of the arc frame 31 faces the opening of the box body 1, when the door panel 11 rotates to the vertical position and the first slide block 42 moves to the left end of the first track 13, the notch of the arc frame 31 faces the bottom of the box body 1, and the evaporation source 2 is located at the circle center position of the arc frame 31; the optical lens coating method comprises the following steps:
s1, opening the door plate 11, placing a coating material on the evaporation source 2, continuing to open the door plate 11 and rotate to a horizontal position, then pushing the door plate 11 rightwards, so that the door plate 11 drives the first sliding block 42 to move rightwards along the first track 13, and the first sliding block 42 drives the arc frame 31 to rotate around the hinge shaft until the notch of the arc frame 31 faces the opening of the box body 1;
s2, fixing the lens on a clamping and overturning mechanism, controlling the door panel 11 to move leftwards and turn to a vertical position, and driving the notch of the arc frame 31 to face the bottom of the box body 1 by the first sliding block 42;
s3, starting the vacuum pump 8, vacuumizing the interior of the box body 1, enabling the evaporation source 2 to work, and evaporating a coating material on the lens to finish coating on one side of the lens;
s4, after the film coating on one side of the lens is finished, firstly controlling the vacuum pump 8 and the evaporation source 2 to stop working, and then controlling the clamping and overturning mechanism to overturn the lens arranged on the clamping and overturning mechanism by 180 degrees so that the side of the lens without the film coating faces downwards;
s5, after the lens is turned over, starting the vacuum pump 8, vacuumizing the box body 1, operating the evaporation source 2, and evaporating the coating material on the lens to finish coating on the other side of the lens;
s6, after films are coated on both sides of the lens, the door plate 11 is firstly controlled to rotate to the horizontal position, and the lens in the clamping and turning mechanism is taken down by workers.
In this embodiment, the first sliding block 42 is hinged to a first connecting rod 41, one end of the first connecting rod 41 away from the first sliding block 42 is hinged to a second connecting rod 41a, and one end of the second connecting rod 41a away from the first connecting rod 41 is hinged to the end of the arc frame 31.
The clamping and turning mechanism comprises a second sliding block 51, a radial notch 3a is arranged in the arc frame 31, a second track 52 is fixedly arranged on one side of the radial notch 3a along the radial direction of the arc frame 31, the second sliding block 51 is connected to the second track 52 in a sliding manner, a shaft lever 6a is rotatably connected in the second sliding block 51, a lens clamping assembly is arranged at one end of the shaft lever 6a, which extends out of the radial notch 3a, a first gear 54 is arranged at one end of the shaft lever 6a, which extends into the radial notch 3a, the first gear 54 is fixedly connected with the shaft lever 6a along the circumferential direction and is connected with the shaft lever 6a along the axial direction in a sliding manner, a toothed plate 53 parallel to the second track 52 is fixedly arranged on the side wall of the radial notch 3a, and a rack section 531 is arranged on the toothed plate 53; a switching assembly connected with the first gear 54 is arranged in the arc frame 31, when the second slider 51 moves to the lower end of the second track 52, the switching assembly controls the first gear 54 to move to a position coplanar with the toothed plate 53, and when the second slider 51 moves to the upper end of the second track 52, the switching assembly controls the first gear 54 to move to a position completely staggered with the toothed plate 53; the inner radial notch 3a of the arc frame 31 is provided with a radial plate 5a, the radial plate 5a is fixedly provided with a first electric push rod 7, the telescopic end of the first electric push rod 7 is fixedly connected with the second sliding block 51, and the first electric push rod 7 is used for driving the second sliding block 51 to move upwards or downwards. When the first electric push rod 7 drives the second slider 51 to move upwards from the lower end of the second track 52, the first gear 54 drives the lens clamping assembly to rotate 180 degrees through the shaft rod 6a, and when the first electric push rod 7 drives the second slider 51 to move downwards from the upper end of the second track 52, the shaft rod 6a is fixed.
The lens clamping assembly comprises a clamping plate 61 fixedly arranged at the end part of the shaft rod 6a, a rotary groove 6a is arranged in the clamping plate 61, and a through hole 6b is formed in the bottom of the rotary groove 6 a; an inner gear ring 63 is rotatably connected in the rotary groove 6a, a communication port 6c communicated with the rotary groove 6a is formed in the side surface of the clamping plate 61, a deflector rod 631 extending out of the communication port 6c is arranged on the outer side of the inner gear ring 63, and a push rod assembly for forcing the deflector rod 631 to move in the direction away from the arc frame 31 is arranged in the clamping plate 61; a plurality of second gears 621 which are meshed with the inner gear ring 63 and are rotatably connected with the inner side of the inner gear ring 63 in the rotary groove 6a along the circumferential direction of the inner gear ring 63, clamping jaws 62 are arranged on the side surface of each second gear 621 along the radial direction, and clamping openings 62a for placing lenses are arranged on the side surface of each clamping jaw 62; when the shifting lever 631 is located at the end of the communication port 6c close to the arc frame 31, the inner gear ring 63 drives the second gear 621 to drive the plurality of clamping jaws 62 to open, and when the shifting lever 631 is located at the end of the communication port 6c far from the arc frame 31, the inner gear ring 63 drives the second gear 621 to drive the plurality of clamping jaws 62 to close and clamp the lens. The ejector rod assembly comprises a first spring 65, a first installation groove 6d communicated with the communication port is formed in the clamping plate 61, a first ejector block 641 is connected in the first installation groove 6d in a sliding mode, and an ejector rod 64 extending into the communication port is arranged on the first ejector block 641; the first spring 65 is disposed in the first mounting groove 6d for forcing the first top block 641 to drive the pushing rod 64 to abut against the driving lever 631.
The switching assembly comprises a control plate 56, a first sliding groove 5b is formed in the second sliding block 51 along the circumferential direction of the shaft rod 6a, the control plate 56 is connected in the first sliding groove 5b in a sliding manner along the axial direction of the shaft rod 6a, and a clamping groove 56a for the first gear 54 to extend into is formed in the side surface of the control plate 56; an upper baffle 571 and a lower baffle 572 are arranged on the side face, opposite to the second track 52, in the radial slot 3a, an upper inclined plane 57a is arranged on the upper baffle 571, a lower inclined plane 57b is arranged on the lower baffle 572, a communication slot 5c communicated with the first sliding groove 5b is arranged in the second sliding block 51, a poking column 562 extending out of the communication slot 5c is arranged on the control plate 56, and the poking column 562 is positioned between the upper baffle 571 and the lower baffle 572; when the second slider 51 moves to the lower end of the second track 52, the column 562 drives the second gear 621 to move to a position coplanar with the toothed plate 53 through the control plate 56 under the action of the lower inclined plane 57 b; when the second slider 51 moves to the upper end of the second track 52, the column 562 drives the second gear 621 to move to a position completely staggered with the tooth plate 53 through the control plate 56 under the action of the upper inclined plane 57 a. A second mounting groove 5d communicated with the first sliding groove 5b is formed in the second sliding block 51, a positioning ball 5f and a second spring 5e for forcing the positioning ball 5f to be pressed on the control plate 56 are arranged in the second mounting groove 5d, a first positioning hole 56c and a second positioning hole 56b are formed in the control plate 56, and when the second sliding block 51 moves to the lower end of the second rail 52, the positioning ball 5f is located in the first positioning hole 56 c; when the second slider 51 moves to the upper end of the second rail 52, the positioning ball 5f is located in the second positioning hole 56 b.
In the above S1, when the door panel 11 is opened and pushes the first slider 42 to move rightward along the first track 13, the first slider 42 is hinged to the first link 41, the first link 41 is hinged to the second link 41a, the second link 41a is hinged to the arc frame 31, and the arc frame 31 is hinged to the box body 1 through the hinge shaft 32, so that when the first slider 42 moves rightward, the arc frame 31 is driven to rotate around the hinge shaft 32 to the position shown in fig. 2, and the preparation operation is completed.
In the above S2, when the lens is mounted, the lever 631 is firstly toggled, when the lever 631 rotates, the lever 631 pushes the first ejector block 641 to move towards the direction approaching the arc frame 31 by overcoming the first spring 65, so as to drive the inner gear ring 63 to rotate, and since the inner gear ring 63 is engaged with the second gear 621, the second gear 621 drives the clamping jaws 62 to rotate, so that the plurality of clamping jaws 62 are opened; the lens is put into the clamping opening 62a of the clamping jaw 62, the deflector rod 631 is released, the second gear 621 is pushed to rotate under the action of the first spring 65, the clamping jaw 62 is driven to rotate, and the lens is clamped.
In the above S4, when the clamping and turning mechanism drives the lens to be turned, the first electric push rod 7 is started to contract, so as to drive the second slider 51 to move upward along the second track 52, because the positioning ball 5f is located in the first positioning hole 56c, so as to position the control plate 56 at the position shown in fig. 4, because of the positioning of the control plate 56, the first gear 54 is driven to be in the coplanar position (shown in fig. 4) with the toothed plate 53, and to ascend along with the second slider 51, and when the first gear 54 is engaged with the rack segment 531, the first gear 54 is driven to rotate 180 °, because the first gear 54 is coaxially and fixedly connected with the clamping plate 61 through the shaft rod 6a, so as to rotate the clamping plate 61 180 ° and turn the lens mounted thereon; when the shifting column 562 touches the upper inclined surface 57a on the upper baffle 571, the shifting column 562 pushes the control plate 56 to drive the first gear 54 to move, so that the first gear 54 moves to a position completely staggered with the toothed plate 53 as shown in fig. 10 and 11, the first gear 54 is no longer matched with the rack section 531, the positioning ball 5f enters the second positioning hole 56b to reposition the control plate 56, then the first electric push rod 7 stops shrinking, then starts to extend out to drive the second slider 51 to move downwards along the second track 52, and due to the action of the positioning ball 5f, the first gear 54 is driven to be kept at a position not matched with the rack section 531, so that the first gear 54 cannot be meshed with the rack section 531 when moving downwards, the clamping plate 61 does not rotate, and the surface of the lens without being coated with a film faces downwards; when the paddle 562 contacts the lower inclined surface 57b of the lower baffle 572, the paddle 562 pushes the control plate 56 to move the first gear 54, so that the first gear 54 returns to the position coplanar with the tooth plate 53 and to the initial position for turning over again.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The method for coating the optical lens is characterized in that coating equipment is used, the coating equipment comprises a box body, an opening is formed in the left side of the box body, a cross rod is arranged in the box body and close to the opening, a first track is arranged above the cross rod in the box body along the left-right direction, a first sliding block is connected onto the first track in a sliding mode, and a door plate used for controlling the opening or closing of the opening is hinged onto the first sliding block; an arc frame connected with the first sliding block is hinged in the box body, and a plurality of clamping and overturning mechanisms for clamping lenses are uniformly arranged on the arc frame at intervals along the direction of an arc line; an evaporation source and a vacuum pump are arranged at the bottom of the box body, when the door plate rotates to the horizontal position and the first sliding block moves to the right end of the first track, the notch of the arc frame faces the opening of the box body, when the door plate rotates to the vertical position and the first sliding block moves to the left end of the first track, the notch of the arc frame faces the bottom of the box body, and the evaporation source is located at the circle center of the arc frame; the optical lens coating method comprises the following steps:
s1, opening the door plate, placing a coating material on the evaporation source, continuing to open the door plate and rotate to a horizontal position, then pushing the door plate rightwards, enabling the door plate to drive the first sliding block to move rightwards along the first track, and enabling the first sliding block to drive the arc frame to rotate around the hinge shaft until the notch of the arc frame faces the opening of the box body;
s2, fixing the lens on a clamping and overturning mechanism, controlling the door plate to move leftwards and rotate to a vertical position, and driving the notch of the arc frame to face the bottom of the box body by the first sliding block;
s3, starting a vacuum pump, vacuumizing the interior of the box body, enabling an evaporation source to work, and evaporating a coating material on the lens to finish coating on one side of the lens;
s4, after the film coating on one side of the lens is finished, firstly controlling the vacuum pump and the evaporation source to stop working, and then controlling the clamping and turning mechanism to turn over the lens arranged on the clamping and turning mechanism by 180 degrees so that the side of the lens without the film coating faces downwards;
s5, when the turning of the lens is finished, starting a vacuum pump, vacuumizing the interior of the box body, enabling an evaporation source to work, and evaporating a coating material on the lens to finish coating on the other side of the lens;
s6, after films are coated on both sides of the lens, the door plate is firstly controlled to rotate to the horizontal position, and the lens in the clamping and turning mechanism is taken down by workers.
2. The method for coating an optical lens according to claim 1, wherein the first slider is hinged to a first connecting rod, one end of the first connecting rod away from the first slider is hinged to a second connecting rod, and one end of the second connecting rod away from the first connecting rod is hinged to an end of the arc frame.
3. The method for coating an optical lens according to claim 1, wherein the clamping and turning mechanism includes a second slider, a radial slot is formed in the arc frame, a second track is fixedly formed on one side of the radial slot along a radial direction of the arc frame, the second slider is slidably connected to the second track, a shaft rod is rotatably connected to the second slider, a lens clamping assembly is arranged at an end of the shaft rod extending out of the radial slot, a first gear is arranged at an end of the shaft rod extending into the radial slot, the first gear is fixedly connected to the shaft rod along a circumferential direction and slidably connected to the shaft rod along an axial direction, a toothed plate parallel to the second track is fixedly arranged on a side wall of the radial slot, and a rack section is arranged on the toothed plate; the switching assembly is connected with the first gear, controls the first gear to move to a position coplanar with the toothed plate when the second sliding block moves to the lower end of the second track, and controls the first gear to move to a position completely staggered with the toothed plate when the second sliding block moves to the upper end of the second track; the arc frame is characterized in that a radial plate is arranged at a radial notch, a first electric push rod is fixedly arranged on the radial plate, the telescopic end of the first electric push rod is fixedly connected with the second sliding block, and the first electric push rod is used for driving the second sliding block to move upwards or downwards.
4. The method of claim 3, wherein the first gear drives the lens holder assembly to rotate 180 ° via the shaft when the first power rod drives the second slider to move upward from the lower end of the second rail, and the shaft is stationary when the first power rod drives the second slider to move downward from the upper end of the second rail.
5. The method of claim 3, wherein the lens holder assembly comprises a holder plate fixedly disposed at an end of the shaft, the holder plate having a rotating groove therein, the rotating groove having a through hole at a bottom thereof; an inner gear ring is rotationally connected in the rotary groove, a communication port communicated with the rotary groove is formed in the side face of the clamping plate, a shifting rod extending out of the communication port is arranged on the outer side of the inner gear ring, and a push rod assembly used for forcing the shifting rod to move in the direction away from the arc frame is arranged in the clamping plate; a plurality of second gears which are rotatably connected with the inner side of the inner gear ring in the rotary groove and are meshed with the inner gear ring are rotatably connected along the circumferential direction of the inner gear ring, clamping jaws are arranged on the side surface of each second gear along the radial direction, and clamping openings for placing lenses are formed in the side surfaces of the clamping jaws; when the shifting lever is located at one end, close to the arc frame, of the communication port, the inner gear ring drives the second gear to drive the clamping jaws to be opened, and when the shifting lever is located at one end, far away from the arc frame, of the communication port, the inner gear ring drives the second gear to drive the clamping jaws to be closed to clamp the lens.
6. The method for coating an optical lens according to claim 5, wherein the ejector assembly comprises a first spring, a first mounting groove communicated with the communication port is formed in the clamping plate, a first ejector block is slidably connected in the first mounting groove, and an ejector rod extending into the communication port is arranged on the first ejector block; the first spring is positioned in the first mounting groove and used for forcing the first ejector block to drive the puller rod to abut against the deflector rod.
7. The method for coating an optical lens according to claim 3, wherein the switching assembly includes a control board, the second slider has a first sliding slot along a circumferential direction of the shaft, the control board is slidably connected to the first sliding slot along an axial direction of the shaft, and a slot for a first gear to extend into is formed on a side surface of the control board; an upper baffle and a lower baffle are arranged in the radial groove and are opposite to the side face of the second track, an upper inclined plane is arranged on the upper baffle, a lower inclined plane is arranged on the lower baffle, a communication groove opening communicated with the first sliding groove is formed in the second sliding block, a shifting column extending out of the communication groove opening is arranged on the control panel, and the shifting column is located between the upper baffle and the lower baffle; when the second sliding block moves to the lower end of the second track, the shifting column drives the second gear to move to a position coplanar with the toothed plate through the control plate under the action of the lower inclined plane; when the second slider moves to the upper end of the second track, the shifting column drives the second gear to move to a position completely staggered with the toothed plate through the control plate under the action of the upper inclined plane.
8. The method for coating an optical lens according to claim 7, wherein a second mounting groove is formed in the second slider and communicates with the first sliding groove, a positioning ball and a second spring for urging the positioning ball against the control plate are disposed in the second mounting groove, a first positioning hole and a second positioning hole are formed in the control plate, and the positioning ball is located in the first positioning hole when the second slider moves to the lower end of the second rail; when the second slide block moves to the upper end of the second track, the positioning ball is positioned in the second positioning hole.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117684132A (en) * | 2023-12-14 | 2024-03-12 | 广东东华光电科技有限公司 | Plastic lens coating processing method and processing equipment |
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|---|---|
| CN113981377B (en) | 2024-04-16 |
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Effective date of registration: 20240226 Address after: 464000 zone B1, electronic industrial park, industrial city, Xinyang City, Henan Province Applicant after: XINYANG TULI OPTOELECTRONICS CO.,LTD. Country or region after: China Address before: 315000 fengle Road, Yangming street, Yuyao City, Ningbo City, Zhejiang Province Applicant before: Ma Xueying Country or region before: China |
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Denomination of invention: A coating method for optical lenses Granted publication date: 20240416 Pledgee: Bank of China Limited Xinyang branch Pledgor: XINYANG TULI OPTOELECTRONICS CO.,LTD. Registration number: Y2024980036118 |
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Granted publication date: 20240416 Pledgee: Bank of China Limited Xinyang branch Pledgor: XINYANG TULI OPTOELECTRONICS CO.,LTD. Registration number: Y2024980036118 |