Fixing disc for cold machining of optical lens

Abstract

The utility model discloses an optical lens cold machining fixing disc which comprises a base, a chuck is fixed to the top end of the base, sliding grooves are evenly formed in the positions, located on the outer edge of a center groove, of the chuck, clamping jaws are installed in the sliding grooves, the chuck is connected with the clamping jaws in a sliding mode through the sliding grooves, and a drive plate is rotationally connected into the chuck. Center grooves are formed in the centers of the tops of the drive plate and the chuck, Archimedes spiral grooves are formed in the positions, located on the outer edges of the center grooves, of the end face of the top of the drive plate, transition sliding ways are arranged on the end faces of the bottoms of the clamping jaws, the transition sliding ways are meshed with the Archimedes spiral grooves, and a rotating mechanism is arranged at the bottom of the drive plate. The center of the base is in threaded connection with a threaded height adjusting rod, a transmission mechanism is arranged at the bottom end of the threaded height adjusting rod, a rod body at the top end of the threaded height adjusting rod penetrates through the center groove, the sliding grooves are circumferentially formed around the outer edge of the center groove with the center groove of the chuck as the center, and clamping grooves are formed in the ends of the inner sides of the clamping jaws.

Description

Technical Field

[0001] The utility model belongs to the technical field of optical glass lens processing, and particularly relates to a cold processing fixing plate for an optical lens. Background Art

[0002] The optical glass lens production process involves cold processing of soda-lime-silica glass substrates through cutting and polishing, chemical vapor heat treatment of the cold-processed soda-lime-silica glass, coating the surface with a fireproof protective film, and then subjecting the surface to a special physical tempering treatment. The specialized thermal decomposition and gasification equipment consists of a cylinder body, a fitted cylinder head, and a reactor integrally connected to the cylinder head.

[0003] At present, during the cold working and grinding process of optical lenses, it is particularly important to ensure that the lenses are firmly fixed. However, traditional lens cold working fixing plates have obvious shortcomings in practical applications: first, their structural design is relatively simple, and it is often difficult to achieve high-precision positioning of optical lenses. During the grinding process, even a small displacement of the lens may have an adverse effect on the grinding effect, thereby damaging the imaging quality of the lens. Secondly, the clamping and fixing force of the traditional fixing plate is unevenly distributed, causing the lens to be subjected to non-uniform force during the grinding process, which can easily cause the lens to deform or stress concentration, thereby damaging its optical performance and shortening its service life. In addition, traditional fixing plates are usually only suitable for optical lenses of specific sizes. For products of different specifications, the adjustability is low and the versatility is poor, which undoubtedly increases production costs and operational complexity.

[0004] Currently, no effective solutions have been proposed for the problems in related technologies. Utility Model Content

[0005] The utility model aims to provide a fixing plate with uniform clamping force for cold working and grinding of optical lenses, so as to achieve high-precision positioning of the lenses, ensure uniform clamping force and improve versatility.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an optical lens cold processing fixing plate, comprising a base, a chuck is fixed on the top of the base, the chuck is located at the outer edge of the center groove and is evenly provided with sliding grooves, a claw is installed inside the sliding groove, the chuck is slidably connected through the sliding groove and the claw, and a dial is rotatably connected inside the chuck, and the dial and the center of the top of the chuck are both provided with a center groove, the top end face of the dial is located at the outer edge of the center groove and is provided with an Archimedes spiral groove, the bottom end face of the claw is provided with a transition slide, the transition slide and the Archimedes spiral groove are meshed, the bottom end face of the dial is provided with a rotating mechanism, a threaded height adjustment rod is threadedly connected at the center of the base, a transmission mechanism is provided at the bottom end of the threaded height adjustment rod, the top rod body of the threaded height adjustment rod passes through the center groove, and the end of the inner side of the claw is provided with a clamping groove, the shape of the clamping groove is adapted to the shape of the lens.

[0007] As a preferred technical solution of the present invention, the sliding groove is arranged in a circle around the outer edge of the central groove with the central groove of the chuck as the center.

[0008] As a preferred technical solution of the present invention, an elastic cushion layer is fixed inside the clamping groove.

[0009] As an optimal technical solution of the present utility model, the rotating mechanism includes a self-locking motor and a ring gear, the output shaft of the self-locking motor is fixed with a circular gear, the ring gear is fixed to the outer wall of the bottom of the dial, the ring gear and the circular gear are meshed and connected, and the self-locking motor body is fixed on the base.

[0010] As an optimal technical solution of the present utility model, the transmission mechanism includes a first helical gear and a second helical gear, the first helical gear and the second helical gear are meshed and connected, an adjustment cylinder is fixed to the top of the first helical gear gear shaft, a square groove is opened inside the adjustment cylinder, the bottom end of the threaded height adjustment rod is fixed to a square rod, the square rod is inserted into the square groove of the adjustment cylinder, a transmission shaft is fixed inside the second helical gear, and one end of the transmission shaft is rotatably connected to the base.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] By providing multiple, evenly distributed clamping jaws, this new fixture allows for precise lens positioning while evenly distributing the clamping force across the lens. This effectively prevents uneven force on the lens during cold working, which can cause deformation or stress concentration, impacting the lens's optical performance and service life. Furthermore, the clamp's versatility is enhanced by the adjustable jaw opening, allowing it to accommodate lenses of varying sizes and thicknesses. The addition of more jaws results in greater clamping precision, and the design of the inner end grooves allows the fixture to better adapt to the shape of the lens, improving clamping stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 2 It is the top view of the present utility model;

[0016] Figure 3 This is a schematic structural diagram of the dial in the utility model;

[0017] Figure 4 This is a schematic structural diagram of the chuck in the utility model;

[0018] In the figure: 1. Base; 2. Chuck; 3. Slide; 4. Clamping claw; 5. Dial; 6. Center groove; 7. Archimedean screw groove; 8. Transition slide; 9. Threaded height adjustment rod; 10. Clamping groove; 11. Ring gear; 12. Circular gear; 13. Adjustment cylinder; 14. First bevel gear; 15. Second bevel gear; 16. Transmission shaft; 17. Self-locking motor; 18. Square rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example

[0021] See also Figure 1-4The utility model provides the following technical solutions: A cold-processing fixed plate for an optical lens, comprising a base 1, with a chuck 2 fixed on its upper end. A rotatably connected dial 5 is provided inside the chuck 2, and a center groove 6 is provided at the center of the top of the dial 5 and the chuck 2. The chuck 2 has evenly distributed slide grooves 3 on the periphery of the center groove 6. These slide grooves 3 are arranged in a circular shape on the outer edge of the chuck 2 with the center groove 6 as the core. A claw 4 is assembled inside the slide groove 3, and the chuck 2 forms a sliding connection structure with the claw 4 through the slide groove 3. An Archimedes spiral groove 7 is provided on the periphery of the top center groove 6 of the dial 5. The bottom end face of the claw 4 is designed with a transition slide 8, which matches and engages with the Archimedes spiral groove 7. A rotating mechanism is provided at the bottom of the dial 5 to drive the rotation of the dial 5. A threaded height adjustment rod 9 is threadedly mounted in the center of base 1, supporting the lens during the initial clamping phase. A transmission mechanism is located at the bottom of this rod, allowing for variable transmission direction and facilitating operation. The top of the rod passes through center slot 6, ensuring structural stability. The ends of the jaws 4 are fitted with clamping grooves 10, shaped to match the lens' shape, ensuring optimal adaptation and improved clamping stability.

[0022] In order to improve the stability of the lens when it is fixed and increase the friction, in this embodiment, as a preferred technical solution of the present invention, an elastic cushion layer is fixed inside the clamping groove 10.

[0023] In order to facilitate automatic fixing or releasing of the lens and achieve self-locking at the same time, in this embodiment, as a preferred technical solution of the utility model, the rotating mechanism includes a self-locking motor 17 and a ring gear 11, the output shaft of the self-locking motor 17 is fixed with a circular gear 12, the ring gear 11 is fixed to the outer wall of the bottom of the dial 5, the ring gear 11 and the circular gear 12 are meshed and connected, and the body of the self-locking motor 17 is fixed on the base 1.

[0024] In order to change the transmission direction and facilitate manual adjustment of the height of the threaded height adjustment rod 9, in this embodiment, as a preferred technical solution of the utility model, the transmission mechanism includes a first bevel gear 14 and a second bevel gear 15, and the first bevel gear 14 and the second bevel gear 15 are meshed and connected. An adjusting cylinder 13 is fixed to the top of the tooth shaft of the first bevel gear 14, and a square groove is opened inside the adjusting cylinder 13. A square rod 18 is fixed to the bottom end of the threaded height adjustment rod 9, and the square rod 18 is inserted into the square groove of the adjusting cylinder 13. A transmission shaft 16 is fixed inside the second bevel gear 15, and one end of the transmission shaft 16 is rotatably connected to the shaft body and the base 1.

[0025] To sum up, with the help of the above-mentioned technical solution of the present invention, when using this device, you first need to rotate one end of the transmission shaft 16 clockwise or counterclockwise, through the meshing transmission of the first bevel gear 14 and the second bevel gear 15, with the help of the adjusting cylinder 13 and the square groove to drive the square rod 18 to rotate, and then drive the threaded height adjustment rod 9 to rotate, and make corresponding lifting and lowering adjustments with the help of the threaded connection with the base 1, so as to place the lens securely on the top of the threaded height adjustment rod 9 (here the square rod 18 is inserted into the square groove and can move up and down inside the square groove, so as to drive the threaded height adjustment rod 9 to rotate without affecting the up and down movement of the threaded height adjustment rod 9).

[0026] Subsequently, the self-locking motor 17 is started, and the power output by the self-locking motor 17 drives the circular gear 12 to rotate, which in turn drives the dial 5 to rotate with the help of the ring gear 11. The Archimedes spiral groove 7 at the top of the dial 5 is displaced as the dial 5 rotates. The claw 4 interacts with the Archimedes spiral groove 7 through the transition slide 8 at the bottom, achieving radial movement of the claw 4 along the slide 3 of the chuck 2. In this way, the lens placed on the top of the threaded height adjustment rod 9 can be firmly clamped and fixed. Finally, the transmission shaft 16 is rotated in the opposite direction again to lower the threaded height adjustment rod 9 to the desired position, and the lens surface can be finely polished and chamfered. The entire operation process is rigorous and stable, ensuring the accuracy and efficiency of lens processing.

[0027] Finally, it should be noted that in the present invention, unless otherwise clearly stipulated and limited, terms such as "installation", "setting", "connection", "fixation", and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0028] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An optical lens cold working fixing plate, comprising a base (1), characterized in that: A chuck (2) is fixed on the top of the base (1), and a sliding groove (3) is evenly arranged on the outer edge of the central groove (6) of the chuck (2), and a claw (4) is installed inside the sliding groove (3). The chuck (2) is slidably connected to the claw (4) through the sliding groove (3), and a dial (5) is rotatably connected inside the chuck (2). The central groove (6) is opened at the center of the top of the dial (5) and the chuck (2), and an Archimedean spiral groove (7) is arranged on the outer edge of the central groove (6) on the top end surface of the dial (5). The bottom end surface of the clamping claw (4) is provided with a transition slide (8), the transition slide (8) is meshed with the Archimedean spiral groove (7), the bottom of the dial (5) is provided with a rotating mechanism, the center of the base (1) is threadedly connected with a threaded height adjustment rod (9), the bottom end of the threaded height adjustment rod (9) is provided with a transmission mechanism, the top end of the threaded height adjustment rod (9) passes through the central groove (6), the inner end of the clamping claw (4) is provided with a clamping groove (10), the shape of the clamping groove (10) is adapted to the shape of the lens.

2. The optical lens cold working fixing plate according to claim 1, characterized in that: The sliding groove (3) is arranged in a circle around the outer edge of the central groove (6) with the central groove (6) of the chuck (2) as the center.

3. The optical lens cold working fixing plate according to claim 1, characterized in that: An elastic cushion layer is fixed inside the clamping groove (10).

4. The optical lens cold working fixing plate according to claim 1, characterized in that: The rotating mechanism comprises a self-locking motor (17) and a ring gear (11); a circular gear (12) is fixed to the output shaft of the self-locking motor (17); the ring gear (11) is fixed to the outer wall of the bottom of the dial (5); the ring gear (11) and the circular gear (12) are meshed and connected; and the body of the self-locking motor (17) is fixed on the base (1).

5. The optical lens cold working fixing plate according to claim 1, characterized in that: The transmission mechanism comprises a first helical gear (14) and a second helical gear (15), the first helical gear (14) and the second helical gear (15) being meshed and connected, an adjusting cylinder (13) being fixed to the top end of the tooth shaft of the first helical gear (14), a square groove being provided inside the adjusting cylinder (13), a square rod (18) being fixed to the bottom end of the threaded height adjustment rod (9), the square rod (18) being inserted into the square groove of the adjusting cylinder (13), a transmission shaft (16) being fixed inside the second helical gear (15), and a shaft body at one end of the transmission shaft (16) being rotatably connected to the base (1).

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