Optical lens trimming grinding wheel

Abstract

The utility model discloses an optical lens trimming grinding wheel which comprises a grinding wheel body and a fixing frame, the grinding wheel body comprises a center base, a coarse grinding wheel and a fine grinding wheel are installed on the two sides of the center base, a connecting shaft is installed in the middle of the two sides of the center base, one end of the connecting shaft is rotationally arranged in one end of the fixing frame, and the other end of the connecting shaft is rotationally arranged in the other end of the fixing frame. A locking mechanism is further arranged between the fixing frame and the connecting shaft, the rough grinding wheel and the fine grinding wheel are installed on the two sides of the center base, the outer side of the optical lens can be subjected to rough grinding and then fine grinding trimming treatment, and the trimming efficiency of the optical lens is high.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding wheels, in particular to an optical lens trimming grinding wheel. Background Art

[0002] Grinding wheel is also called bonded abrasive. It is a bonded abrasive with a certain strength that is formed by bonding ordinary abrasive into a certain shape (mostly round with a through hole in the center). It is generally composed of abrasive, bonding agent and pores, which are often called the three elements of bonded abrasive. According to the different classifications of bonding agents, common ones are ceramic (bond) grinding wheel, resin (bond) grinding wheel and rubber (bond) grinding wheel. Grinding wheel is the most widely used abrasive tool. It rotates at high speed when used, and can be used for rough grinding, semi-finishing grinding and fine grinding of the outer circle, inner circle, plane and various surfaces of metal or non-metal workpieces, as well as grooving and cutting. Grinding and trimming are required during the processing and trimming of optical lenses.

[0003] An improved grinding wheel with application number 201921116920.4 in the prior art; the improved grinding wheel comprises: a grinding wheel body, a metal base, a first connecting piece, a groove, an open groove, an inner lining, a handle and a second connecting piece; the grinding wheel body is ring-shaped; the handle and the grinding wheel body are detachably connected together to realize the movement of the improved grinding wheel by holding the handle, thereby improving the flexibility of product movement. However, the use of a single grinding wheel is not convenient for rough grinding and then fine grinding and trimming of the outer side of the optical lens, which makes the trimming efficiency of the optical lens low, and it is not convenient for the trimming wheel to rotate and switch. Utility Model Content

[0004] The utility model aims to provide an optical lens trimming grinding wheel to solve the problem in the prior art that a single grinding wheel is not convenient for performing rough grinding and then fine grinding trimming on the outer side of the optical lens, resulting in low optical lens trimming efficiency and inconvenience in rotating and switching the trimming wheel.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an optical lens trimming grinding wheel, comprising a grinding wheel body and a fixed frame, the grinding wheel body comprising a central base, coarse grinding wheels and fine grinding wheels are installed on both sides of the central base, connecting shafts are installed in the middle of both sides of the central base, and one end of the connecting shaft is rotatably arranged inside one end of the fixed frame, and a locking mechanism is also provided between the fixed frame and the connecting shaft.

[0006] Furthermore, a mounting plate is provided at one end of the coarse grinding wheel and the fine grinding wheel, and the mounting plate is fixedly clamped in the grooves on both sides of the central base.

[0007] Furthermore, the outer diameters of the rough grinding wheel and the fine grinding wheel are both smaller than the outer diameter of the central base, and the thicknesses of the rough grinding wheel and the fine grinding wheel are less than half of the thickness of the central base.

[0008] Furthermore, the locking mechanism includes a first groove and a second groove on the outer side of the fixing frame, a limiting groove on the inner wall of the second groove, a locking rod is provided with a sliding difference between the first groove and the second groove, and one end of the locking rod slides through the locking hole at one end of the connecting shaft and is inserted into the limiting groove.

[0009] Furthermore, the first groove is configured as a rectangular groove, and the second groove is configured as a circular groove.

[0010] Furthermore, a guide rod is provided on the inner wall of the first groove, and one end of the guide rod is slidably inserted in the locking rod, a spring in a compressed state is provided on the outer side of the guide rod, and a limiting end plate and a protrusion are provided at one end of the locking rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model has a coarse grinding wheel and a fine grinding wheel installed on both sides of the central base. A single grinding wheel can perform coarse grinding and then fine grinding on the outer side of the optical lens to trim the edges, so that the optical lens trimming efficiency is higher; and a mounting plate is provided at one end of the coarse grinding wheel and the fine grinding wheel, and the mounting plate is fixedly clamped in the grooves on both sides of the central base, so that the grinding wheel is installed and fixed with high stability, and disassembly and assembly are convenient and quick.

[0013] 2. The utility model is provided with a connecting shaft installed in the middle of both sides of the central base, and one end of the connecting shaft is rotatably arranged inside one end of the fixing frame, and a locking mechanism is also arranged between the fixing frame and the connecting shaft, the locking mechanism includes a first groove and a second groove provided on the outer side of the fixing frame, a limiting groove provided on the inner wall of the second groove, a locking rod is provided with a sliding difference between the first groove and the second groove, and one end of the locking rod slides through the locking hole at one end of the connecting shaft and is inserted into the limiting groove, so that it is convenient to lock the one end of the connecting shaft after rotation adjustment, the fixing stability is high, and the adjustment is convenient and quick.

[0014] 3. The utility model provides a guide rod through the inner wall of the first groove, and one end of the guide rod is slidably inserted in the locking rod, so that the locking rod can be guided and limited when it is moved and adjusted, which is beneficial to improve the stability of the locking rod during movement, adjustment and locking. In addition, a spring in a compressed state is provided on the outer side of the guide rod, so that one end of the locking rod is always elastically inserted and fixed in the locking hole and the limiting groove, which is beneficial to improve the stability of the locking rod locking and fixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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:

[0016] Figure 1 It is a schematic diagram of the structure of the grinding wheel body of the utility model;

[0017] Figure 2 This is the overall structural front view of the utility model;

[0018] Figure 3 It is a top view of the overall structure of the utility model;

[0019] Figure 4 It is an enlarged schematic diagram of the structure at point A of the utility model.

[0020] In the figure: 1. center base; 2. coarse grinding wheel; 3. fine grinding wheel; 4. connecting shaft; 5. locking hole; 6. fixing frame; 7. second groove; 8. locking rod; 9. limit groove; 10. limit end plate; 11. first groove; 12. guide rod; 13. spring; 14. bump; 15. mounting plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 In the embodiment of the utility model, an optical lens trimming grinding wheel includes a grinding wheel body and a fixed frame 6. The grinding wheel body includes a central base 1, and a coarse grinding wheel 2 and a fine grinding wheel 3 are installed on both sides of the central base 1. The outer side of the optical lens can be rough-ground and then fine-ground to trim the edge, so that the optical lens trimming efficiency is relatively high. A connecting shaft 4 is installed in the middle of both sides of the central base 1, and one end of the connecting shaft 4 is rotatably arranged inside one end of the fixed frame 6, so that the central base 1 can be rotatably arranged in the fixed frame 6 through the connecting shaft 4. A locking mechanism is also provided between the fixed frame 6 and the connecting shaft 4, so that the connecting shaft 4 and one end of the grinding wheel can be locked after rotation adjustment. The fixing stability is relatively high and the adjustment is convenient and quick.

[0023] One end of the coarse grinding wheel 2 and the fine grinding wheel 3 is provided with a mounting plate 15, and the mounting plate 15 is fixedly clamped in the grooves on both sides of the central base 1, so that the grinding wheel installation and fixing stability is relatively high, and the disassembly and assembly are convenient and quick. The outer diameters of the coarse grinding wheel 2 and the fine grinding wheel 3 are both smaller than the outer diameter of the central base 1, and the thicknesses of the coarse grinding wheel 2 and the fine grinding wheel 3 are less than half of the thickness of the central base 1, so that the grinding wheel structure is relatively stable and the disassembly and assembly stability is relatively strong.

[0024] The locking mechanism includes a first groove 11 and a second groove 7 on the outer side of the fixing frame 6, a limiting groove 9 on the inner wall of the second groove 7, a locking rod 8 is provided with a sliding difference between the first groove 11 and the second groove 7, and one end of the locking rod 8 slides through the locking hole 5 at one end of the connecting shaft 4 and is inserted into the limiting groove 9. The first groove 11 is set as a rectangular groove, and the second groove 7 is set as a circular groove, so that it is convenient to lock the connecting shaft 4 and one end of the grinding wheel after rotation adjustment.

[0025] A guide rod 12 is provided on the inner wall of the first groove 11, and one end of the guide rod 12 is slidably inserted in the locking rod 8, so that the locking rod 8 can be guided and limited when it is moved and adjusted, which is beneficial to improving the stability of the locking rod 8 when it is moved, adjusted and locked. A spring 13 in a compressed state is provided on the outer side of the guide rod 12, so that one end of the locking rod 8 is always elastically inserted and fixed in the locking hole 5 and the limiting groove 9, which is beneficial to improving the stability of the locking and fixing of the locking rod 8. A limiting end plate 10 and a protrusion 14 are provided at one end of the locking rod 8, so that one end of the locking rod 8 can be moved and adjusted.

[0026] The working principle and use process of the utility model are as follows: when in use, the coarse grinding wheel 2 and the fine grinding wheel 3 installed on both sides of the central base 1 can be used to perform coarse grinding and then fine grinding and trimming on the outer side of the optical lens, so that the trimming efficiency of the optical lens is relatively high; and a mounting plate 15 is provided at one end of the coarse grinding wheel 2 and the fine grinding wheel 3, and the mounting plate 15 is fixedly clamped in the grooves on both sides of the central base 1, so that the stability of the installation and fixation of the grinding wheel is relatively high, and the disassembly and assembly are convenient and quick.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An optical lens trimming grinding wheel, comprising a grinding wheel body and a fixing frame (6), characterized in that: The grinding wheel body comprises a central base (1), a coarse grinding wheel (2) and a fine grinding wheel (3) are mounted on both sides of the central base (1), a connecting shaft (4) is mounted in the middle of both sides of the central base (1), and one end of the connecting shaft (4) is rotatably arranged inside one end of a fixed frame (6), and a locking mechanism is also provided between the fixed frame (6) and the connecting shaft (4).

2. The optical lens trimming grinding wheel according to claim 1, characterized in that: A mounting plate (15) is provided at one end of the coarse grinding wheel (2) and the fine grinding wheel (3), and the mounting plate (15) is fixedly clamped in grooves on both sides of the central base (1).

3. The optical lens trimming grinding wheel according to claim 2, characterized in that: The outer diameters of the rough grinding wheel (2) and the fine grinding wheel (3) are both smaller than the outer diameter of the central base (1); the thicknesses of the rough grinding wheel (2) and the fine grinding wheel (3) are less than half the thickness of the central base (1).

4. The optical lens trimming grinding wheel according to claim 1, characterized in that: The locking mechanism comprises a first groove (11) and a second groove (7) formed on the outer side of a fixing frame (6), a limiting groove (9) formed on the inner wall of the second groove (7), a locking rod (8) being provided at a sliding difference between the first groove (11) and the second groove (7), and one end of the locking rod (8) slidingly passes through a locking hole (5) at one end of the connecting shaft (4) and is inserted into the limiting groove (9).

5. The optical lens trimming grinding wheel according to claim 4, characterized in that: The first groove (11) is configured as a rectangular groove, and the second groove (7) is configured as a circular groove.

6. The optical lens trimming grinding wheel according to claim 4, characterized in that: A guide rod (12) is provided on the inner wall of the first groove (11), and one end of the guide rod (12) is slidably inserted into the locking rod (8). A spring (13) in a compressed state is provided on the outer side of the guide rod (12), and a limiting end plate (10) and a protrusion (14) are provided on one end of the locking rod (8).

Images