CN114702247A - Machining device and manufacturing process of square hyperbolic micro-lens - Google Patents
Machining device and manufacturing process of square hyperbolic micro-lens Download PDFInfo
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- CN114702247A CN114702247A CN202210284092.5A CN202210284092A CN114702247A CN 114702247 A CN114702247 A CN 114702247A CN 202210284092 A CN202210284092 A CN 202210284092A CN 114702247 A CN114702247 A CN 114702247A
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- microlens
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/001—General methods for coating; Devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/02—Lapping machines or devices; Accessories designed for working surfaces of revolution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/042—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0075—Cleaning of glass
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B2003/0093—Simple or compound lenses characterised by the shape
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention discloses a processing device of a square hyperbolic microlens, which comprises a microlens second curved surface processing mechanism and a microlens coating tool, wherein the hyperbolic microlens processed by the microlens second curved surface processing mechanism is loaded to the microlens coating tool for high-temperature coating, the microlens second curved surface processing mechanism comprises a chuck, an aluminum die, a pill piece, a chuck cap and a glass tube which are arranged up and down, the length of the glass tube is more than 3.5mm, the thickness of the microlens coating tool is not more than the length of the hyperbolic microlens, the microlens coating tool comprises a coating disc, a plurality of positioning windows, an elastic piece, a limiting baffle, a clamping panel, a locking piece and a protective frame, the invention also provides a manufacturing process of the square hyperbolic microlens, and by the mode, the invention creatively solves the processing difficulty of the hyperbolic microlens in the industry, and has quick manufacturing speed, the cost is low, and the hyperboloid micro-lens with the curvature range of 1< R <2.5 is effectively processed.
Description
Technical Field
The invention relates to the technical field of micro-lens processing, in particular to a processing device of a square hyperbolic micro-lens and a manufacturing process thereof.
Background
The microlens is widely applied to precision devices such as 5G and data centers, the structure of the microlens is shown in fig. 1, and the microlens comprises a spherical surface a, a plane b and a cylinder c, and the processing method of the microlens is generally as follows: 1) customizing cylinder materials with the diameter required by a customer; 2) grinding the spherical surface by using a twenty-axis machine to obtain a corresponding curvature; 3) carrying out plane processing by utilizing a grinding machine and a polishing machine to obtain a plane; 4) and coating films on the obtained spherical surface and the plane, thereby obtaining the single-curved micro lens.
With the industrial upgrading, the optical communication tends to be ultra-thin, integrated and module integrated, the hyperbolic micro-lens has a large application market, in order to obtain a hyperbolic micro-lens product as shown in fig. 2 in the prior art, two single-curved micro-lenses are respectively processed according to the mode of processing the single-curved micro-lens, then a square metal cylinder is utilized for nesting assembly, the three components are combined into a whole to form the hyperbolic micro-lens, and the hyperbolic micro-lens is applied to the field of optical communication DEMUX.
In view of the fact that microlenses belong to precision devices, the implementation of the combination method of the square hyperbolic microlenses is difficult, the used assembly mechanism is complex, and meanwhile reliability verification is needed after assembly, so that the problem of poor assembly is solved. As a further optimized structure, the industry tries to process a square hyperbolic microlens as shown in fig. 3, that is, a cylinder raw material is processed into a square shape, and then two spherical surfaces are processed, but when the hyperbolic microlens is processed, the length of the cylinder material needs to be at least more than 3.5mm according to the swing amplitude requirement of the existing twenty-axis machine, and in view of the focal length requirement of the microlens, a product with a processed first spherical surface needs to be thinned to 2mm, so that the hyperbolic microlens processed by using the existing manufacturing process and device has insufficient length, poor clamping force and incapability of processing the two spherical surfaces. On the other hand, the hyperbolic micro-lens is limited by the length requirement, two ends of the hyperbolic micro-lens are required to be exposed during double-sided coating in high-temperature coating, the prior art can only plate one side and then plate the other side according to the plated side, and the operation process is complicated.
In summary, according to the existing microlens manufacturing process and processing device, the square hyperbolic microlens cannot be directly and effectively processed, and related technical publications are not reported temporarily.
Disclosure of Invention
The invention mainly solves the technical problem of providing a processing device of a square hyperbolic micro-lens and a manufacturing process thereof, which creatively solves the processing difficulty of the hyperbolic micro-lens in the industry, has quick manufacturing and low cost, and effectively processes hyperboloids with the range of 1R < 2.5.
In order to solve the technical problems, the invention adopts a technical scheme that: the processing device of the square hyperbolic microlens comprises a second microlens curved surface processing mechanism and a microlens coating tool, wherein the hyperbolic microlens processed by the second microlens curved surface processing mechanism is loaded to the microlens coating tool for high-temperature coating, and the thickness of the microlens coating tool is not more than the length of the hyperbolic microlens;
the second microlens curved surface processing mechanism comprises a chuck and an aluminum die which are arranged up and down, wherein a pill piece is arranged in the aluminum die, a curvature hole is formed in the center of the pill piece, a glass tube is arranged at the lower end of the chuck in a clamping and embedding manner, the length of the glass tube is larger than 3.5mm, a chuck cap is connected with the external thread of the chuck, and the microlens is arranged at the bottom end of the glass tube;
the micro-lens coating frock includes the coating disc, it is provided with a plurality of location windows to arrange on the coating disc, each the one end of location window slides and is provided with the flexure strip, the other end of location window slides and is provided with limit baffle, it is provided with a plurality of card panels to slide between flexure strip and the limit baffle, limit baffle with be provided with the retaining member between the coating disc, the outside of micro-lens coating frock is provided with the fender bracket.
Preferably, a POM round bar is arranged in the glass tube.
Preferably, a cotton pad is arranged between the micro lens and the POM round rod, and the length requirement range is more than or equal to 0 (the length of the POM round rod, the length of the micro lens and the length of the cotton pad) -the length of the glass tube is less than or equal to 0.5 mm.
Preferably, the inner diameter of the glass tube is 0.01mm larger than the diameter of the micro lens, and the machining spherical eccentricity of the micro lens is less than 50'.
Preferably, the elastic piece is a half-square elastic piece and comprises symmetrically arranged elastic arms, one side of each elastic arm is provided with an E-shaped elastic arm, and the hyperbolic micro-lens is clamped between the E-shaped elastic arm and the clamping plate.
Preferably, the clamping and embedding plate comprises E-shaped chucks symmetrically arranged on two sides, and the E-shaped chucks and the E-shaped elastic arms are correspondingly arranged.
Preferably, the retaining member comprises a locking column arranged between a limiting baffle and the coating disc, the limiting baffle comprises a V-shaped groove which is attached to the locking column, the other side of the limiting baffle is provided with an E-shaped baffle corresponding to the E-shaped chuck, and a locking bolt is arranged on one side of the locking column.
Preferably, the elastic sheet, the limiting baffle and the clamping and embedding plate are all made of beryllium bronze.
The invention also provides a manufacturing process of the square hyperbolic micro-lens, which comprises the following steps:
customizing a cylindrical raw material with a required diameter;
(II) grinding a spherical surface on one surface of the cylinder by using a twenty-axis machine to obtain a single-curved-surface micro lens, wherein one end of the single-curved-surface micro lens is a plane, and the other end of the single-curved-surface micro lens is a spherical surface;
(III) grinding the plane of the single-curved-surface micro lens obtained in the step (II) by using a numerical control plane milling and grinding machine so as to thin the micro lens, wherein the length of the micro lens is shortened to 1-3.5 mm;
(IV) placing the single-curved-surface micro lens obtained in the step (III) into a glass tube of the micro lens second curved-surface processing mechanism, placing a cotton pad and a POM round bar into the glass tube, locking the cotton pad and the POM round bar through a chuck cap, then installing the micro lens second curved-surface processing mechanism onto a twenty-axis machine, and driving a chuck to process a second curved surface on the single-curved-surface micro lens through a swing arm of the twenty-axis machine;
(V) grinding and polishing the hyperboloid micro-lens obtained in the step (IV) in the circumferential direction by a numerical control plane milling and grinding machine, and processing the hyperboloid micro-lens into a square shape to obtain a square hyperboloid micro-lens;
(VI) sequentially loading the square hyperboloid microlenses obtained in the step (V) into the microlens coating tool;
(VII) carrying out ultrasonic cleaning on the micro-lens coating tool loaded with the square hyperboloid micro-lens;
(VIII) carrying out high-temperature film coating on the micro-lens film coating tool loaded with the square hyperboloid micro-lens at the temperature of 200 ℃;
and (IX) unloading the coated product from the micro-lens coating tool, and carrying out finished product inspection to finally obtain a finished product of the square hyperbolic micro-lens.
Preferably, the gap between the microlens and the glass tube loaded in the step (iv) is filled with wax, and after the processing is completed, wax removal cleaning is performed.
The invention has the beneficial effects that:
the processing device and the manufacturing process of the square hyperbolic micro-lens provided by the invention have the advantages that aiming at the spherical surface processing of the square hyperbolic micro-lens, a novel process and a novel device are adopted, the processing difficulty of the square hyperbolic micro-lens in the industry is solved, the second surface curved surface is processed rapidly, the cost is low, the construction is convenient and rapid, and the double curved surface with the curvature in the range of 1< R <2.5 can be processed effectively; simultaneously square hyperbolic microlens coating film frock loads fast, and adapts to ultra-thin product, satisfies product length 1< L <4mm, and the industry is done ultra-thin coating film, effectively solves the technical drawback of square hyperbolic microlens coating film difficulty, effectively promotes machining efficiency.
Drawings
FIG. 1 is a schematic view of a single-curved microlens of the present invention;
FIG. 2 is a schematic diagram of a conventional hyperbolic microlens nested and assembled by a square metal cylinder in the background art of the present invention;
FIG. 3 is a schematic view of a second curved surface processing mechanism for a microlens in the present invention;
FIG. 4 is a schematic view of a microlens structure obtained by the IV step of the fabrication process of the present invention;
FIG. 5 shows the distribution of the polishing regions in the V-th step of the inventive manufacturing process;
FIG. 6 is a schematic structural view of a micro-lens coating tool according to the present invention;
FIG. 7 is a schematic structural diagram of an elastic sheet in the micro-lens coating tool of the present invention;
FIG. 8 is a schematic structural diagram of a card plate in the micro-lens coating tool of the present invention;
FIG. 9 is a schematic structural diagram of a limit baffle in the micro-lens coating tool of the present invention;
FIG. 10 is a schematic structural diagram of a square hyperbolic microlens obtained by the processing of the present invention;
the components in the drawings are numbered as follows:
1. a chuck; 2. an aluminum die; 3. making into pills; 4. a curved hole; 5. a glass tube; 6. a chuck cap; 7. coating a film disc; 8. positioning a window; 9. an elastic sheet; 91. a n-shaped elastic arm; 92. an E-shaped elastic arm; 10. a limit baffle; 101. a V-shaped groove; 102. an E-shaped baffle; 11. a card panel; 111. an E-shaped chuck; 12. a POM round bar; 13. a cotton pad; 14. a lock cylinder; 15. a locking bolt; 16. a single curved surface microlens; 17. a hyperboloid square microlens; 18. a base plate; 19. a cover plate; 20. and (4) a support column.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention and to clearly and clearly define the scope of the present invention.
Example (b):
a manufacturing process of a square hyperbolic micro-lens comprises the following steps:
customizing a cylindrical raw material with a required diameter according to requirements;
(II) grinding a spherical surface of one surface of the cylinder by using a twenty-axis machine to obtain a single-curved-surface micro lens, wherein one end of the micro lens is a plane, and the other end of the micro lens is a spherical surface, namely the structure shape shown in the figure 1.
And (III) grinding one end of the plane of the single-curved-surface micro-lens obtained in the step (II) by using a numerical control plane milling and grinding machine so as to thin the micro-lens, wherein the length of the micro-lens selected in the embodiment is reduced to 2mm, namely the distance between the ball top and the plane at the other end, the shorter the length of the micro-lens is, the more difficult the implementation is, only 4.0mm or more can be realized in the prior art, and the reduction of the length of the micro-lens to 1.0-3.5 mm can be operated according to the method of the invention.
(IV) loading the single-curved-surface micro-lens obtained in the step (III) into a micro-lens second curved-surface processing mechanism, wherein the structure of the micro-lens second curved-surface processing mechanism is introduced as follows:
as shown in fig. 3, the microlens second curved surface processing mechanism includes a chuck 1 and an aluminum mold 2 which are arranged up and down, a pill 3 is arranged in the aluminum mold 2, a hole is formed in the center of the pill 3 to form a curvature hole 4, the corresponding curvature is customized and loaded into the aluminum mold 2, and the aluminum mold 2 is driven to rotate by a twenty-axis machine. The lower end of the chuck 1 is provided with a glass tube 5 in a clamping and embedding manner, and the length of the glass tube needs to be controlled to be more than 3.5mm, for example, about 4mm due to the swing of the twenty-axis machine, so that the glass tube is also hollow. And (3) placing the single-curved-surface micro-lens obtained in the step (III) into a glass tube 5, connecting a chuck cap 6 with the external thread of the chuck 1, and fixing the micro-lens positioned at the bottom end of the glass tube 5 by rotating the chuck cap 6.
As shown in fig. 3, the inner diameter of the glass tube 5 is 0.01mm larger than the diameter of the micro lens, the fit tolerance is well controlled, the machining spherical surface eccentricity of the micro lens to be machined is less than 50', and then a cotton pad 13 is put in to protect the machined spherical surface. In order to prevent the glass tube from being clamped and broken when being loaded into the chuck, a POM round rod 12 is loaded into a glass tube 5, the required length range is more than or equal to 0 (the length of the POM round rod + the length of a micro lens + the length of a cotton pad) -the length of the glass tube is less than or equal to 0.5mm, a gap between the loaded micro lens and the glass tube can be filled with wax, finally, a customized chuck 1 is loaded and locked through a chuck cap 2, then, a micro lens second curved surface processing mechanism is installed on a twenty-axis machine, the chuck 1 is driven to swing through a swing arm of the twenty-axis machine, a single-curved-surface micro lens is processed to obtain a second curved surface, after the processing is finished, a product is unloaded from the glass tube 5 for wax removal and cleaning, and the shape of the double-curved-surface micro lens obtained through the processing of the micro lens second curved surface processing mechanism is as shown in figure 4.
And (3) grinding and polishing the hyperboloid microlens obtained in the step (IV) in the circumferential direction by a numerical control plane milling machine to form a square, so as to obtain the square hyperboloid microlens. And sequentially loading the obtained square hyperboloid microlenses into a microlens coating tool, and loading the hyperboloid microlenses processed by the second curve processing mechanism of the microlenses into the microlens coating tool for high-temperature coating.
As shown in fig. 6 and 7, the hyperbolic microlens coating is in a high-temperature environment, two end faces of the hyperbolic microlens coating are coated with the coatings, the thickness of the microlens coating tool is not larger than the length of the hyperbolic microlens, and the microlens coating tool structure can realize the shortest one-time double-sided coating of the microlens of 1 mm. Microlens coating frock includes coating disc 7, and it has a plurality of location windows 8 to arrange on the coating disc 7, and the one end of each location window 8 slides and is provided with flexure strip 9, and flexure strip 9 is half square flexure strip, plays arm 91 including the nearly shape that the symmetry set up, and one side of nearly shape bullet arm 91 is provided with E shape bullet arm 92, and hyperbolic microlens inlay card provides elastic support through half square flexure strip between E shape bullet arm 92 and inlay card board 11.
As shown in fig. 6, 8 and 9, a position-limiting baffle 10 is slidably disposed at the other end of the positioning window 8, a plurality of insert plates 11 are slidably disposed between the elastic sheet 9 and the position-limiting baffle 10, the insert plates 11 include E-shaped chucks 111 symmetrically disposed at both sides, and the E-shaped chucks 111 and the E-shaped elastic arms 92 are disposed correspondingly. Be provided with the retaining member between limit baffle 10 and the coating film dish 7, the retaining member is including setting up the lock post 14 between limit baffle 10 and coating film dish 7, limit baffle 10 is including the V-arrangement groove 101 that laminating lock post 14 set up, limit baffle 10's opposite side is provided with the E shape baffle 102 that corresponds with E shape chuck 111, one side of lock post 14 is provided with the bolt 15 of being locked, through the bolt 15 of being locked (not mark out in the figure, do not influence the scheme and understand) locking fore-set lock post 14, lock whole combination. In order to enhance the material strength and prevent the aging of the card panel after multiple use, the elastic sheet 9, the limit baffle 10 and the card panel 11 are made of beryllium bronze. In addition, in order to prevent the damage of the micro lens and save the protection cost, a protection frame is arranged on the outer side of the micro lens coating tool, the protection frame comprises a bottom plate 18 and a cover plate 19 which are arranged on the circumferential direction of the coating disc 7, the bottom plate 18 and the cover plate 19 are combined and locked through a support column 20, and the support column 20 is designed into a head part and a tail part hollow structure, so that the transportation is facilitated.
After the micro lens coating tool is processed, the micro lens coating tool loaded with the square hyperboloid micro lens is subjected to ultrasonic cleaning, and then the micro lens coating tool loaded with the square hyperboloid micro lens is subjected to high-temperature coating at the temperature of 200 ℃, so that light reflection is reduced. And unloading the coated product from the micro-lens coating tool, and inspecting the finished product to finally obtain a square hyperbolic micro-lens finished product, wherein the structure of the finished product is shown in fig. 10.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a processingequipment of square hyperbolic microlens which characterized in that: the device comprises a second micro-lens curved surface processing mechanism and a micro-lens coating tool, wherein the hyperbolic micro-lens processed by the second micro-lens curved surface processing mechanism is loaded to the micro-lens coating tool for high-temperature coating, and the thickness of the micro-lens coating tool is not more than the length of the hyperbolic micro-lens;
the micro-lens second curved surface processing mechanism comprises a chuck (1) and an aluminum die (2) which are arranged up and down, wherein a pill piece (3) is arranged in the aluminum die (2), a curvature hole (4) is formed in the center of the pill piece (3), a glass tube (5) is embedded at the lower end of the chuck (1), the length of the glass tube (5) is larger than 3.5mm, a chuck cap (6) is connected with the external thread of the chuck (1), and a micro-lens is arranged at the bottom end of the glass tube (5);
microlens coating film frock includes coating film dish (7), it has been provided with a plurality of location windows (8) to arrange on coating film dish (7), each the one end of location window (8) slides and is provided with flexure strip (9), the other end of location window (8) slides and is provided with limit baffle (10), it is provided with a plurality of card panel (11) to slide between flexure strip (9) and limit baffle (10), limit baffle (10) with be provided with the retaining member between coating film dish (7), the outside of microlens coating film frock is provided with the fender bracket.
2. The device for processing the hyperbolic square microlens as recited in claim 1, wherein: a POM round bar (12) is arranged in the glass tube (5).
3. The device for processing the hyperbolic square microlens as recited in claim 2, wherein: a cotton pad (13) is arranged between the micro lens and the POM round bar (12), and the required length range is more than or equal to 0 (the length of the POM round bar, the length of the micro lens and the length of the cotton pad) -the length of the glass tube is less than or equal to 0.5 mm.
4. The device for processing the hyperbolic square microlens as claimed in claim 1, wherein: the inner diameter of the glass tube (5) is 0.01mm larger than the diameter of the micro lens, and the processing spherical surface eccentricity of the micro lens is less than 50'.
5. The device for processing the hyperbolic square microlens as recited in claim 1, wherein: the elastic piece (9) is a half-square elastic piece and comprises symmetrically arranged elastic arms (91), one side of each elastic arm (91) is provided with an E-shaped elastic arm (92), and the square hyperbolic micro-lens is clamped between the E-shaped elastic arms (92) and the clamping plates (11).
6. The device for processing the hyperbolic square microlens as recited in claim 1, wherein: the card panel (11) comprises an E-shaped chuck (111) which is symmetrically arranged on two sides, and the E-shaped chuck (111) and the E-shaped elastic arm (92) are correspondingly arranged.
7. The device for processing the hyperbolic square microlens as recited in claim 1, wherein: the retaining member is including setting up lock post (14) between limit baffle (10) and coating film dish (7), limit baffle (10) are including the laminating V-arrangement groove (101) that lock post (14) set up, the opposite side of limit baffle (10) be provided with E shape baffle (102) that E shape chuck (111) correspond, one side of lock post (14) is provided with lock bolt (15).
8. The device for processing the hyperbolic square microlens as recited in claim 1, wherein: the elastic piece (9), the limiting baffle (10) and the clamping and embedding plate (11) are all made of beryllium bronze.
9. A manufacturing process of a square hyperbolic micro-lens is characterized by comprising the following steps: the processing device using the hyperbolic square microlens as claimed in any one of claims 1 to 8, comprising the steps of:
customizing a cylindrical raw material with a required diameter;
(II) grinding a spherical surface on one surface of the cylinder by using a twenty-axis machine to obtain a single-curved-surface micro lens, wherein one end of the single-curved-surface micro lens is a plane, and the other end of the single-curved-surface micro lens is a spherical surface;
(III) grinding the plane of the single-curved-surface micro lens obtained in the step (II) by using a numerical control plane milling and grinding machine so as to thin the micro lens, wherein the length of the micro lens is shortened to 1-3.5 mm;
(IV) placing the single-curved-surface micro lens obtained in the step (III) into a glass tube of the micro lens second curved-surface processing mechanism, placing a cotton pad and a POM round bar into the glass tube, locking the cotton pad and the POM round bar through a chuck cap, then installing the micro lens second curved-surface processing mechanism onto a twenty-axis machine, and driving a chuck to process a second curved surface on the single-curved-surface micro lens through a swing arm of the twenty-axis machine;
(V) grinding and polishing the hyperboloid micro-lens obtained in the step (IV) in the circumferential direction by a numerical control plane milling and grinding machine, and processing the hyperboloid micro-lens into a square shape to obtain a square hyperboloid micro-lens;
(VI) sequentially loading the square hyperboloid microlenses obtained in the step (V) into the microlens coating tool;
(VII) carrying out ultrasonic cleaning on the micro-lens coating tool loaded with the square hyperboloid micro-lens;
(VIII) carrying out high-temperature film coating on the micro-lens film coating tool loaded with the square hyperboloid micro-lens at the temperature of 200 ℃;
and (IX) unloading the coated product from the micro-lens coating tool, and carrying out finished product inspection to finally obtain a finished product of the square hyperbolic micro-lens.
10. The process of claim 9, wherein the step of manufacturing the hyperbolic square microlens comprises: and (4) filling the gap between the micro lens and the glass tube filled in the step (IV) by using wax, and after the processing is finished, removing the wax and cleaning.
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| CN202210284092.5A CN114702247B (en) | 2022-03-22 | 2022-03-22 | Processing device and processing technology of square hyperbolic microlens |
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| CN202210284092.5A CN114702247B (en) | 2022-03-22 | 2022-03-22 | Processing device and processing technology of square hyperbolic microlens |
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| US20210078304A1 (en) * | 2018-01-10 | 2021-03-18 | Lg Chem, Ltd. | Method for manufacturing curved laminated glass and curved laminated glass manufactured by the same |
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| CN216029973U (en) * | 2021-09-27 | 2022-03-15 | 湖北华萤铝模科技有限公司 | Floating polishing device for processing building aluminum template |
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