Clamp for polishing plane optical part

Abstract

The utility model relates to the technical field of clamps, in particular to a clamp for polishing plane optical parts, which comprises a supporting plate, an L-shaped supporting frame is arranged on one side of the supporting plate, and a fixing plate is connected to one side of the surface of the L-shaped supporting frame. A part is placed on the surface of the fixed plate, then the angle of the threaded rod is rotated so that the threaded rod can move in the threaded hole formed in the L-shaped supporting frame along threads, the angle of the movable plate is not affected when the threaded rod rotates through the first bearing, and the movable plate and the surface of the L-shaped supporting frame are driven to slide. The telescopic connecting rods extend at the same time, and the telescopic connecting rods are matched with the threaded rods to support the movable plate and enable the movable plate to move horizontally all the time, so that the distance between the fixed plate and the movable plate is shortened, the parts are clamped and positioned, and the situation that the production cost is increased due to the fact that corresponding clamps are needed to use the parts of different sizes is avoided; and the processing efficiency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a clamp used for polishing planar optical parts. Background Art

[0002] Plane optical parts refer to optical parts that process light between two parallel surfaces. Plane optical parts include flat glass, flat lenses, flat reflectors, etc. They are one of the most basic optical parts in the optical system. When plane optical parts are produced, they will be polished, so they are usually clamped and fixed with fixtures.

[0003] When the existing fixture for polishing flat optical parts is used, the function of the fixture for polishing flat optical parts is to clamp the flat optical parts to be polished, but the existing fixture for polishing flat optical parts cannot be applied to parts of different sizes, and corresponding fixtures are required for use, resulting in increased production costs and reduced processing efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a fixture for polishing planar optical parts, so as to solve the problem that the existing fixture for polishing planar optical parts proposed in the above background technology cannot be applied to parts of different sizes and requires corresponding fixtures to be used, resulting in increased production costs and reduced processing efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution, a fixture for polishing a planar optical part, comprising a support plate:

[0006] An L-shaped support frame is arranged on one side of the support plate, a fixed plate is connected to one side of the surface of the L-shaped support frame, a threaded rod is inserted inside one side of the L-shaped support frame, one end of the threaded rod is movably connected to a first bearing, one end of the first bearing is connected to a movable plate, and retractable connecting rods are connected to the four corners of the movable plate.

[0007] Preferably, a threaded hole is provided on one side of the L-shaped support frame, and the threaded rod is rotatably connected to the inside of the threaded hole provided in the L-shaped support frame.

[0008] Preferably, the telescopic connecting rod is configured as a telescopic structure, and the threaded rod and the movable plate are movably connected by a first bearing.

[0009] Preferably, the bottom end of the fixed plate is fixedly connected to one side of the surface of the L-shaped support frame, and the bottom end of the movable plate has no direct connection with the surface of the L-shaped support frame.

[0010] Preferably, the bottom end surface of the L-shaped support frame is connected to an L-shaped positioning frame, one side of the L-shaped positioning frame is movably connected to a second bearing, the other side of the L-shaped positioning frame is connected to a fixing rod, one end of the fixing rod is connected to a compression spring, one end of the compression spring is connected to a limiting screw, and both sides of the fixing rod are connected to limiting plates.

[0011] Preferably, a groove is provided on the surface of the support plate, the L-shaped positioning frame is inserted into the groove of the support plate and connected to the second bearing, and one end of the second bearing is connected to one side of the inner wall of the groove of the support plate.

[0012] Preferably, a threaded groove is opened on the other side of the inner wall of the groove opened by the support plate, the limit screw is rotatably connected to the inside of the threaded groove opened by the support plate, a movable groove is opened on the surface of one end of the limit screw, one end of the compression spring is connected to one side of the inner wall of the movable groove opened by the limit screw, through grooves are opened on both sides of the inner wall of the movable groove opened by the limit screw, and the limit plate is inserted into the inside of the through groove opened by the limit screw.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By placing the parts on the surface of the fixed plate and then rotating the angle of the threaded rod, the parts are moved along the thread inside the threaded hole of the L-shaped support frame, and the first bearing is used to ensure that the threaded rod does not affect the angle of the movable plate when rotating, and drives the movable plate to slide with the surface of the L-shaped support frame, and the retractable connecting rod is extended at the same time, and the retractable connecting rod is used to cooperate with the threaded rod to support the movable plate and make it always translate, thereby shortening the distance between the fixed plate and the movable plate, clamping and positioning the parts, avoiding the need for corresponding fixtures to use parts of different sizes, resulting in increased production costs and reduced processing efficiency.

[0015] 2. By rotating the limit screw, the compression spring and the fixed rod are driven to rotate at the same time, so that the fixed rod drives the L-shaped positioning frame to rotate, and the second bearing is used to ensure that the L-shaped positioning frame does not move during rotation. When the limit screw drives the fixed rod to rotate, the limit plate is used to ensure that the fixed rod and the limit screw are always synchronized. When the limit screw moves inside the threaded groove opened in the support plate, it drives the compression spring to extend, and the compression spring is used to ensure that the fixed rod and the limit screw will not be separated, so that the L-shaped positioning frame drives the L-shaped support frame to achieve angle adjustment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a front view and cutaway perspective diagram of the structure of the utility model;

[0018] Figure 3 It is a bottom-up sectional perspective diagram of the structure of the utility model;

[0019] Figure 4 It is a top view and a sectional three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 5 It is a partially cutaway three-dimensional schematic diagram of the structure of the utility model when viewed from above.

[0021] In the figure: 1. support plate; 2. L-shaped support frame; 3. fixed plate; 4. threaded rod; 5. first bearing; 6. movable plate; 7. telescopic connecting rod; 8. L-shaped positioning frame; 9. second bearing; 10. fixed rod; 11. compression spring; 12. limit screw; 13. limit plate. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-5 , an embodiment provided by the utility model:

[0024] A fixture for polishing a flat optical part, comprising a support plate 1:

[0025] An L-shaped support frame 2 is arranged on one side of the support plate 1, a fixed plate 3 is connected to one side of the surface of the L-shaped support frame 2, a threaded rod 4 is inserted inside one side of the L-shaped support frame 2, one end of the threaded rod 4 is movably connected to a first bearing 5, one end of the first bearing 5 is connected to a movable plate 6, and the four corners of the movable plate 6 are connected to retractable connecting rods 7. The internal material of the fixed plate 3 is existing technology and can be purchased on the market. It is not used as a technical protection point of the present application, and therefore, no further statements are made.

[0026] Furthermore, a threaded hole is provided on one side of the L-shaped support frame 2 , and the threaded rod 4 is rotatably connected to the inside of the threaded hole provided in the L-shaped support frame 2 , so that the threaded rod 4 is limited by the threaded hole provided in the L-shaped support frame 2 .

[0027] Furthermore, the telescopic connecting rod 7 is configured as a telescopic structure, and the threaded rod 4 and the movable plate 6 are movably connected by using the first bearing 5, so that the threaded rod 4 and the movable plate 6 are connected through the first bearing 5.

[0028] Furthermore, the bottom end of the fixed plate 3 is fixedly connected to one side of the surface of the L-shaped support frame 2, and the bottom end of the movable plate 6 has no direct connection with the surface of the L-shaped support frame 2, so that the parts are clamped and positioned by cooperating with the fixed plate 3 through the movable plate 6.

[0029] Furthermore, an L-shaped positioning frame 8 is connected to the bottom surface of the L-shaped support frame 2, a second bearing 9 is movably connected to one side of the L-shaped positioning frame 8, a fixing rod 10 is connected to the other side of the L-shaped positioning frame 8, one end of the fixing rod 10 is connected to a compression spring 11, one end of the compression spring 11 is connected to a limiting screw 12, and limiting plates 13 are connected on both sides of the fixing rod 10, so that the angle of the L-shaped support frame 2 can be adjusted by the limiting screw 12 for subsequent processing.

[0030] Furthermore, a groove is opened on the surface of the support plate 1, and the L-shaped positioning frame 8 is inserted into the groove opened in the support plate 1 and connected to the second bearing 9. One end of the second bearing 9 is connected to one side of the inner wall of the groove opened in the support plate 1, so that one end of the second bearing 9 is limited by the groove opened in the support plate 1.

[0031] Furthermore, a threaded groove is opened on the other side of the inner wall of the groove opened by the support plate 1, and the limiting screw 12 is rotatably connected to the inside of the threaded groove opened by the support plate 1. A movable groove is opened on the surface of one end of the limiting screw 12, and one end of the compression spring 11 is connected to one side of the inner wall of the movable groove opened by the limiting screw 12. Through grooves are opened on both sides of the inner wall of the movable groove opened by the limiting screw 12, and the limiting plate 13 is inserted into the inside of the through groove opened by the limiting screw 12, so as to limit the limiting plate 13 through the through groove opened by the limiting screw 12.

[0032] Working principle: When the fixture for polishing flat optical parts is used, the parts are placed on the surface of the fixed plate 3, and then the angle of the threaded rod 4 is rotated to make it move along the thread inside the threaded hole opened in the L-shaped support frame 2, and the first bearing 5 is used to ensure that the threaded rod 4 does not affect the angle of the movable plate 6 when rotating, and drives the movable plate 6 to slide with the surface of the L-shaped support frame 2, and the retractable connecting rod 7 is extended at the same time, and the retractable connecting rod 7 is used to cooperate with the threaded rod 4 to support the movable plate 6 and keep it in translation, thereby shortening the distance between the fixed plate 3 and the movable plate 6, and clamping and positioning the parts.

[0033] When adjusting the fixture used for polishing planar optical parts, the limit screw 12 is rotated to drive the compression spring 11 and the fixed rod 10 to rotate at the same time, so that the fixed rod 10 drives the L-shaped positioning frame 8 to rotate, and the second bearing 9 is used to ensure that the L-shaped positioning frame 8 does not move during rotation. When the limit screw 12 drives the fixed rod 10 to rotate, the limit plate 13 is used to ensure that the fixed rod 10 and the limit screw 12 are always synchronized. When the limit screw 12 moves inside the threaded groove opened in the support plate 1, it drives the compression spring 11 to extend. The compression spring 11 is used to ensure that the fixed rod 10 and the limit screw 12 will not be separated, so that the L-shaped positioning frame 8 drives the L-shaped support frame 2 to achieve the angle adjustment effect.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A fixture for polishing a planar optical part, comprising a support plate (1), characterized in that: An L-shaped support frame (2) is arranged on one side of the support plate (1), a fixed plate (3) is connected to one side of the surface of the L-shaped support frame (2), a threaded rod (4) is inserted inside one side of the L-shaped support frame (2), one end of the threaded rod (4) is movably connected to a first bearing (5), one end of the first bearing (5) is connected to a movable plate (6), and four corners of the movable plate (6) are connected to retractable connecting rods (7).

2. A fixture for polishing a planar optical part according to claim 1, characterized in that: A threaded hole is provided on one side of the L-shaped support frame (2), and the threaded rod (4) is rotatably connected to the inside of the threaded hole provided in the L-shaped support frame (2).

3. A fixture for polishing a planar optical part according to claim 1, characterized in that: The telescopic connecting rod (7) is configured as a telescopic structure, and the threaded rod (4) and the movable plate (6) are movably connected by a first bearing (5).

4. A fixture for polishing a planar optical part according to claim 1, characterized in that: The bottom end of the fixed plate (3) is fixedly connected to one side of the surface of the L-shaped support frame (2), and the bottom end of the movable plate (6) has no direct connection with the surface of the L-shaped support frame (2).

5. The fixture for polishing a planar optical part according to claim 1, characterized in that: The bottom surface of the L-shaped support frame (2) is connected to an L-shaped positioning frame (8), one side of the L-shaped positioning frame (8) is movably connected to a second bearing (9), the other side of the L-shaped positioning frame (8) is connected to a fixing rod (10), one end of the fixing rod (10) is connected to a compression spring (11), one end of the compression spring (11) is connected to a limiting screw rod (12), and both sides of the fixing rod (10) are connected to limiting plates (13).

6. A fixture for polishing a planar optical part according to claim 5, characterized in that: A groove is provided on the surface of the support plate (1); the L-shaped positioning frame (8) is inserted into the groove provided in the support plate (1) and connected to the second bearing (9); one end of the second bearing (9) is connected to one side of the inner wall of the groove provided in the support plate (1).

7. The fixture for polishing a planar optical part according to claim 5, characterized in that: A thread groove is provided on the other side of the inner wall of the groove provided in the support plate (1); the limiting screw (12) is rotatably connected to the inside of the thread groove provided in the support plate (1); a movable groove is provided on the surface of one end of the limiting screw (12); one end of the compression spring (11) is connected to one side of the inner wall of the movable groove provided in the limiting screw (12); through grooves are provided on both sides of the inner wall of the movable groove provided in the limiting screw (12); and the limiting plate (13) is inserted into the inside of the through groove provided in the limiting screw (12).

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