Auxiliary positioning instrument for lens

Abstract

The invention belongs to the technical field of lens installation, and particularly relates to a lens auxiliary positioning instrument which comprises a base, a fixing seat is fixedly installed at the upper end of the base, a spring is arranged at the bottom end in the fixing seat, the upper end of the fixing seat is slidably sleeved with a rotating column, and the upper end of the rotating column is fixedly connected with a lifting frame. Two symmetrically-arranged semi-annular protruding blocks are arranged on one side of the lower end of the lifting frame, an L-shaped groove is formed in the side wall of the fixing base, a sliding rod is fixedly installed on the side wall of the rotating column, the sliding rod is arranged in the L-shaped groove in a sliding mode, a positioning grid is arranged at the upper end of the base, and a positioning hole is formed in the center of the positioning grid. A first positioning stand column is arranged on one side of the positioning hole, a second positioning stand column is arranged on the other side of the positioning hole, and a positioning assembly is arranged on the base. The holes corresponding to the positioning stand columns are formed in the template lens in advance, and the template lens is embedded in the first positioning stand column and the second positioning stand column, so that an accurate reference is provided for subsequent lens positioning.

Description

Technical Field

[0001] The present invention belongs to the technical field of lens installation, specifically referring to a lens auxiliary positioning instrument. Background Art

[0002] Glasses are optical instruments used for correcting vision, protecting eyes or as decoration, usually composed of lenses and frames. Lenses can be divided into myopia lenses, hyperopia lenses, astigmatism lenses, presbyopia lenses, and special-function anti-blue light lenses, photochromic lenses, etc. according to different optical requirements; frames play a role in supporting the lenses and fixing them on the face, and their materials are diverse, such as metal, plastic, plate, etc., and the styles are also rich and diverse to meet the aesthetic and usage needs of different consumers.

[0003] During the daily use and repair and replacement of glasses, frame replacement is a relatively common situation. When a customer needs to replace the glasses frame, it is often necessary to remove the original lens from the old frame and then install it on the new frame. In this process, it is usually necessary to use a lens suction cup to grab and position the lens for subsequent processing operations, such as grinding the edge of the lens to fit the size of the new frame.

[0004] However, in actual operation at present, due to the various shapes and sizes of lenses and the relatively smooth surface of the lenses, it is very difficult for the operator to accurately position the suction cup at the appropriate position on the lens only by manual operation of the lens suction cup. Inaccurate positioning will cause the lens to shake and slip during the grabbing and moving process, and not only cannot smoothly carry out the next processing operation. Summary of the Invention

[0005] In order to solve the above problems, the present invention proposes a lens auxiliary positioning instrument.

[0006] The technical solution adopted by the present invention is as follows: The present invention provides a lens auxiliary positioning instrument, including a base, a fixed seat is fixedly installed at the upper end of the base, a spring is provided at the inner bottom end of the fixed seat, a rotating column is slidably sleeved at the upper end of the fixed seat, a lifting frame is fixedly connected to the upper end of the rotating column, two symmetrically arranged semi-circular convex blocks are provided on one side of the lower end of the lifting frame, an L-shaped groove is opened on the side wall of the fixed seat, a sliding rod is fixedly installed on the side wall of the rotating column, the sliding rod is slidably arranged in the L-shaped groove, a positioning grid is provided at the upper end of the base, a positioning hole is provided at the center of the positioning grid, a first positioning column is provided on one side of the positioning hole, a second positioning column is provided on the other side of the positioning hole, and a positioning component is provided on the base.

[0007] Further, the positioning component includes a first lead screw fixedly installed on one side of the upper end of the base. A first pull rod is rotatably sleeved on the first lead screw. A second lead screw is fixedly installed on the other side of the upper end of the base. A second pull rod is rotatably sleeved on the second lead screw. The upper end side wall of the first lead screw is sleeved with a first nut, and the first lead screw is threadedly connected with the first nut. The upper end side wall of the second lead screw is sleeved with a second nut, and the second lead screw is threadedly connected with the second nut. The first nut is used to adjust the tightness between the first pull rod and the base, and the second nut is used to adjust the tightness between the second pull rod and the base. One end of the first pull rod is hinged to one end of a third pull rod, and the other end of the third pull rod is hinged to one end of the second pull rod. The other end of the first pull rod is hinged to one end of a fourth pull rod, and the other end of the second pull rod is hinged to the other end of the fourth pull rod.

[0008] Further, support blocks are provided at the lower end of the base.

[0009] Further, the height of the first positioning post is 3 millimeters, and the height of the second positioning post is 3 millimeters.

[0010] Further, the semi-circular convex block is used for installing a lens suction cup.

[0011] Further, the first positioning post and the second positioning post are used for positioning the template lens.

[0012] The beneficial effects achieved by the present invention with the above structure are as follows:

[0013] (1) By pre-drilling holes corresponding to the positioning posts on the template lens and fitting it onto the first and second positioning posts, a precise benchmark is provided for subsequent lens positioning. After placing the lens to be fitted, the first pull rod is eccentrically toggled to change the shape of the positioning component, shortening the distance between the third and fourth pull rods, enabling the rapid alignment of the lens to be fitted with the template lens. Then, manual fine-tuning is performed to align the center of the positioning hole with the center of the template lens, greatly improving the accuracy of lens positioning, effectively avoiding lens processing errors caused by inaccurate positioning, and ensuring the quality of glasses assembly.

[0014] (2) Manually rotate the rotating column, and the sliding rod moves in the L-shaped groove. When the sliding rod moves to a specific angle, the lens suction cup can be directly opposite the positioning hole. Press the lifting frame to make the sliding rod move downward, and the spring is compressed. The lens suction cup can accurately pick up the lens to be fitted, further ensuring the accuracy of lens positioning and providing a reliable guarantee for subsequent installation of the lens onto the spectacle frame.

[0015] (3) The entire positioning process is completed through a series of simple mechanical operations, such as eccentrically toggling the pull rod, manual fine-tuning, rotating the rotating column, and pressing the lifting frame. Operators can quickly get started without complex training, greatly simplifying the operation process of lens positioning and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] To more clearly illustrate the technical solutions of the present invention, the drawings required for description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 Front view of the lens auxiliary locator of the present invention;

[0018] Figure 2 Top view of the lens auxiliary locator of the present invention;

[0019] Figure 3 Left view of the lens auxiliary locator of the present invention;

[0020] Figure 4 Schematic diagram of the internal structure of the fixing seat.

[0021] Figure 5 Physical diagram of the lens auxiliary locator of the present invention.

[0022] Among them, 1. Base, 2. First pull rod, 3. Second pull rod, 4. Third pull rod, 5. Fourth pull rod, 6. First lead screw, 7. Second lead screw, 8. First positioning column, 9. Second positioning column, 10. Positioning hole, 11. Positioning grid, 12. Fixing seat, 13. Spring, 14. L-shaped groove, 15. Rotating column, 16. Lifting frame, 17. Semi-circular convex block, 18. Slide bar, 19. Support block, 20. First nut, 21. Second nut. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] To make the objectives, features, and advantages of the present invention more obvious and understandable, the technical solutions in the present invention will be clearly and completely described below with reference to the drawings in the specific embodiments. Obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in this patent, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of this patent.

[0024] Such as Figures 1 - 5As shown in the figure, the present invention provides a lens auxiliary locator, which includes a base 1. A support block 19 is provided at the lower end of the base 1. A fixed seat 12 is fixedly installed at the upper end of the base 1. A spring 13 is provided at the inner bottom end of the fixed seat 12. A rotating column 15 is slidably sleeved at the upper end of the fixed seat 12. The upper end of the rotating column 15 is fixedly connected to a lifting frame 16. Two symmetrically arranged semi-circular convex blocks 17 are provided on one side of the lower end of the lifting frame 16. An L-shaped groove 14 is formed on the side wall of the fixed seat 12. A sliding rod 18 is fixedly installed on the side wall of the rotating column 15. The sliding rod 18 is slidably disposed in the L-shaped groove 14. A positioning grid 11 is provided at the upper end of the base 1. A positioning hole 10 is provided at the center of the positioning grid 11. A first positioning column 8 is provided on one side of the positioning hole 10, and the height of the first positioning column 8 is 3 mm. A second positioning column 9 is provided on the other side of the positioning hole 10, and the height of the second positioning column 9 is 3 mm. A positioning assembly is provided on the base 1. The positioning assembly includes a first lead screw 6, and the first lead screw 6 is fixedly installed on one side of the upper end of the base 1. A first pull rod 2 is rotatably sleeved on the first lead screw 6. A second lead screw 7 is fixedly installed on the other side of the upper end of the base 1. The semi-circular convex block 17 is used for installing a lens suction cup. A second pull rod 3 is rotatably sleeved on the second lead screw 7. A first nut 20 is sleeved on the upper end side wall of the first lead screw 6, and the first lead screw 6 is threadedly connected to the first nut 20. A second nut 21 is sleeved on the upper end side wall of the second lead screw 7, and the second lead screw 7 is threadedly connected to the second nut 21. The first nut 20 is used to adjust the tightness between the first pull rod 2 and the base 1, and the second nut 21 is used to adjust the tightness between the second pull rod 3 and the base 1. One end of the first pull rod 2 is hinged to one end of a third pull rod 4. The other end of the third pull rod 4 is hinged to one end of the second pull rod 3. The other end of the first pull rod 2 is hinged to one end of a fourth pull rod 5. The other end of the second pull rod 3 is hinged to the other end of the fourth pull rod 5. The first positioning column 8 and the second positioning column 9 are used for positioning the template lens.

[0025] During specific use, first drill holes corresponding to the first positioning column 8 and the second positioning column 9 on the template lens, fit the template lens onto the first positioning column 8 and the second positioning column 9, and then place the lens to be paired with the spectacle frame on the template lens. Eccentrically move the first pull rod 2 to change the shape of the positioning component from a rectangle to a parallelogram, shortening the distance between the third pull rod 4 and the fourth pull rod 5, thereby aligning the positions of the lens to be paired with the spectacle frame on the template lens. Then manually fine-tune the lens of the spectacle frame to be paired to coincide with the template lens, aligning the center of the positioning hole 10 with the center of the template lens. Manually rotate the rotating column 15, and the sliding rod 18 moves within the L-shaped groove 14. When the sliding rod 18 moves to the corner of the L-shaped groove 14, a lens suction cup (the lens suction cup can be purchased on the market) is installed on the semi-circular convex block 17. There is double-sided tape under the lens suction cup. At this time, the lens suction cup is directly opposite the positioning hole 10. Press the lifting frame 16, and the sliding rod 18 moves downward within the L-shaped groove 14. At this time, the spring 13 is compressed until the lens of the spectacle frame to be paired is sucked up by the lens suction cup, completing the positioning of the lens of the spectacle frame to be paired. The above is the overall working process of the present invention. Just repeat these steps during the next use.

[0026] It can be seen from the above embodiments that the beneficial effects of the present invention are as follows:

[0027] By pre-drilling holes corresponding to the positioning columns on the template lens and fitting it onto the first and second positioning columns, it provides an accurate reference for subsequent lens positioning. After placing the lens to be paired, eccentrically moving the first pull rod to change the shape of the positioning component and shortening the distance between the third and fourth pull rods can quickly align the positions of the lens to be paired and the template lens. Then manually fine-tuning to align the center of the positioning hole with the center of the template lens greatly improves the accuracy of lens positioning, effectively avoiding lens processing errors caused by inaccurate positioning and ensuring the quality of spectacle assembly; Manually rotating the rotating column, the sliding rod moves within the L-shaped groove. When the sliding rod moves to a specific angle, the lens suction cup can be directly opposite the positioning hole. Pressing the lifting frame makes the sliding rod move downward and the spring is compressed. The lens suction cup can accurately suck up the lens to be paired, further ensuring the accuracy of lens positioning and providing a reliable guarantee for subsequent installation of the lens onto the spectacle frame; The entire positioning process is completed through a series of simple mechanical operations, such as eccentrically moving the pull rod, manually fine-tuning, rotating the rotating column, and pressing the lifting frame. Operators can quickly get started without complex training, greatly simplifying the operation process of lens positioning and improving work efficiency.

[0028] The foregoing description of the disclosed embodiments enables those skilled in the art to practice or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Lens auxiliary positioning instrument, including a base (1), characterized in that: A fixing base (12) is fixedly installed at the upper end of the base (1). A spring (13) is provided at the inner bottom end of the fixing base (12). The upper end of the fixing base (12) is slidably sleeved with a rotating column (15). The upper end of the rotating column (15) is fixedly connected to a lifting frame (16). On one side of the lower end of the lifting frame (16), there are two symmetrically arranged semi-circular convex blocks (17). An L-shaped groove (14) is formed on the side wall of the fixing base (12). A sliding rod (18) is fixedly installed on the side wall of the rotating column (15). The sliding rod (18) is slidably arranged in the L-shaped groove (14). A positioning grid (11) is provided at the upper end of the base (1). A positioning hole (10) is provided at the center of the positioning grid (11). A first positioning column (8) is provided on one side of the positioning hole (10). A second positioning column (9) is provided on the other side of the positioning hole (10). A positioning assembly is provided on the base (1).

2. The lens-assisted locator according to claim 1, wherein: The positioning assembly includes a first lead screw (6). The first lead screw (6) is fixedly installed on one side of the upper end of the base (1). A first pull rod (2) is rotatably sleeved on the first lead screw (6). A second lead screw (7) is fixedly installed on the other side of the upper end of the base (1). A second pull rod (3) is rotatably sleeved on the second lead screw (7). A first nut (20) is sleeved on the upper end side wall of the first lead screw (6). The first lead screw (6) is threadedly connected to the first nut (20). A second nut (21) is sleeved on the upper end side wall of the second lead screw (7). The second lead screw (7) is threadedly connected to the second nut (21). The first nut (20) is used to adjust the tightness between the first pull rod (2) and the base (1). The second nut (21) is used to adjust the tightness between the second pull rod (3) and the base (1). One end of the first pull rod (2) is hinged to one end of a third pull rod (4). The other end of the third pull rod (4) is hinged to one end of the second pull rod (3). The other end of the first pull rod (2) is hinged to one end of a fourth pull rod (5). The other end of the second pull rod (3) is hinged to the other end of the fourth pull rod (5).

3. The lens auxiliary locator according to claim 2, wherein: A support block (19) is provided at the lower end of the base (1).

4. The lens-assisted locator according to claim 3, wherein: The height of the first positioning column (8) is 3 mm. The height of the second positioning column (9) is 3 mm.

5. The lens auxiliary locator according to claim 4, characterized in that: The semi-circular convex block (17) is used for installing a lens suction cup.

6. The lens auxiliary locator according to claim 5, wherein: The first positioning column (8) and the second positioning column (9) are used for positioning a template lens.

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