Positioning module for fixing plano-concave cylindrical mirror

Abstract

The utility model discloses a positioning module used for fixing a plano-concave cylindrical mirror, the main body of the positioning module is a square chassis of a plano-concave cylindrical surface, the upper surface of the chassis is uniformly provided with a plurality of groups of square sinking grooves, the sinking grooves are used for placing planes of the plano-concave cylindrical mirror, the center of the concave surface of the plano-concave cylindrical mirror protrudes out of the sinking grooves, and the center of the concave surface of the plano-concave cylindrical mirror protrudes out of the sinking grooves. And the axial direction of the plano-concave cylindrical mirror is consistent with that of the chassis. The utility model solves the problems that the axial directions of lenses and arc-shaped steps cannot be kept consistent, the polishing liquid is easy to pollute, and the surfaces of the lenses are easy to damage when a plurality of plano-concave cylindrical lenses are adhered to the arc-shaped table surface by using an adhesive in the prior art and the concave surfaces of the plano-concave cylindrical lenses are polished.

Description

Technical Field

[0001] The utility model relates to the technical field of cylindrical lens processing, in particular to a positioning module for fixing a plano-concave cylindrical mirror. Background Art

[0002] When polishing the concave surface of a plano-concave cylindrical mirror, multiple cylindrical lenses are usually bonded to a curved table surface to polish the concave surfaces of multiple cylindrical lenses of the same specification at one time. However, since the curvature of the concave surface of the plano-concave cylindrical mirror is not evenly distributed on the entire surface, the concave surface presents a series of circular sections in the direction perpendicular to the central axis. This fixing method makes it difficult to control the bonding direction of the lens during the lens processing process, resulting in the deviation of the central axis of the concave surface of the plano-concave cylindrical mirror after polishing. At the same time, the adhesive can easily fall into the polishing liquid and contaminate the polishing liquid, causing scratches on the lens surface and reducing the service life of the polishing powder. At the same time, the process of bonding and disassembling multiple lenses is cumbersome and inefficient. When disassembling the lens, the adhesive is also easy to fall off, damaging the surface of the processed lens and affecting its appearance quality. Utility Model Content

[0003] Purpose of the utility model: The purpose of the utility model is to provide a positioning module for fixing a plano-concave cylindrical mirror. The plano-concave cylindrical mirror can be easily assembled and disassembled on the chassis of the positioning module, and the concave surface of the plano-concave cylindrical mirror can be processed by clamping the positioning module.

[0004] Technical solution: To achieve the above-mentioned purpose, the utility model discloses a positioning module for fixing a plano-concave cylindrical mirror, wherein the main body of the positioning module is a chassis with a square structure of a plano-concave cylinder, and a plurality of groups of square grooves are evenly arranged on the upper surface of the chassis, wherein the grooves are used to place the plane of the plano-concave cylindrical mirror, the center of the concave surface of the plano-concave cylindrical mirror protrudes from the grooves, and the axial direction of the plano-concave cylindrical mirror is consistent with the axial direction of the chassis.

[0005] Wherein, a V-shaped concave point for placing the pressure head is provided at the center of the chassis plane.

[0006] Wherein, the gap between the side wall of the plano-concave cylindrical mirror and the inner wall of the sink is in the range of 0.05 to 0.1 mm.

[0007] Wherein, flannel cloth is provided between the plano-concave cylindrical mirror and the sink.

[0008] The plano-concave cylindrical mirror is placed in the sink through a liner made of white steel, and the liner is a square structure with an open top and a hollow interior.

[0009] Wherein, the gap between the side wall of the plano-concave cylindrical mirror and the inner wall of the lining ranges from 0.05 to 0.1 mm.

[0010] Wherein, flannel cloth is provided between the plano-concave cylindrical mirror and the inner lining.

[0011] Wherein, the gap between the outer wall of the lining and the inner wall of the trough is in the range of 0.05 to 0.1 mm.

[0012] Wherein, the concave center of the plano-concave cylindrical mirror protrudes from the inner lining.

[0013] Beneficial effects: The utility model has the following advantages: 1. The positioning module has a simple structure and can fix multiple groups of plano-concave cylindrical mirrors at the same time. It is suitable for batch processing of plano-concave cylindrical mirrors with high efficiency. At the same time, it replaces the method of fixing the plano-concave cylindrical mirrors with adhesives, effectively preventing the polishing liquid from being contaminated by the adhesive and causing damage to the appearance of the plano-concave cylindrical mirrors, thereby ensuring the quality of the lens; 2. The positioning module uses the square groove on the chassis that matches the shape of the plano-concave cylindrical mirror to place the plano-concave cylindrical mirror, avoiding the problem of directly sticking the plano-concave cylindrical mirror to the curved table surface and failing to ensure the axial consistency of the lens, thereby improving the grinding accuracy of the plano-concave cylindrical mirror surface; 3. The pressure head is fixed at the concave point on the lower surface of the positioning module chassis, and the grinding surface is ground against the concave surfaces of the multiple groups of plano-concave cylindrical mirrors installed on the chassis, which increases the stability of the chassis and avoids the problem of serious shaking or failure to clamp a single rod plano-concave cylindrical mirror for processing, which affects the processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the positioning module structure;

[0015] Figure 2 This is a schematic diagram of the side structure of the positioning module;

[0016] Figure 3 Schematic diagram of the cylindrical polishing mold structure. DETAILED DESCRIPTION

[0017] The technical solution of the utility model is described in detail below in conjunction with the embodiments and drawings.

[0018] Example 1

[0019] like Figure 1 , Figure 2 As shown, the main body of the positioning module of the utility model is a chassis 1 with a square structure of a flat concave cylindrical surface. A plurality of groups of square sinks are evenly arranged on the concave surface of the chassis 1. The sinks are used to place the flat concave cylindrical mirror 2, and the axial direction of the flat concave cylindrical mirror 2 is consistent with the axial direction of the chassis 1. The material of the chassis 1 is plastic, preferably white steel. A V-shaped concave point is provided at the center of the plane relative to the concave surface of the chassis 1, so that the chassis 1 can be clamped on the grinding machine.

[0020] After the plane of the plano-concave cylindrical mirror 2 is placed in the sink, the center point of its concave surface protrudes from the upper end of the sink. At this time, the gap between each side of the plano-concave cylindrical mirror 2 and the inner wall of the sink is in the range of 0.05-0.1 mm.

[0021] like Figure 3 As shown, the chassis 1 with the plano-concave cylindrical mirror 2 placed thereon will be inverted on the cylindrical polishing mold 3, and the upper surface of the cylindrical polishing mold 3 is a grinding surface for polishing the concave surface of the plano-concave cylindrical mirror 2. The grinding surface is a cylindrical structure that is axially consistent with the chassis 1, and the diameter of the circular section perpendicular to the central axis is smaller than the diameter of the circular section perpendicular to the central axis of the concave surface of the chassis 1. At the same time, the curvature of the grinding surface perpendicular to the central axis is consistent with that of the plano-concave cylindrical mirror 2.

[0022] Working principle:

[0023] 1. Place a piece of velvet cloth between each plano-concave cylindrical mirror 2 and the sink;

[0024] 2. Put the chassis 1 filled with the plano-concave cylindrical mirror 2 into the water, so that the gap between the plano-concave cylindrical mirror 2 and the sink is fully filled with water. The adsorption force of water can help fix the plano-concave cylindrical mirror 2. When the chassis 1 is inverted, the plano-concave cylindrical mirror 2 is not easy to fall off from the chassis 1;

[0025] 3. Put the entire positioning module upside down on the cylindrical polishing module 3, press the pressure head to the central concave point of the plane of the chassis 1, and slightly shake the cylindrical polishing module 3 to align the axial direction of the grinding surface of the cylindrical polishing module 3 with the axial direction of the chassis 1; during the polishing process, the polishing module 3 is the active part, which moves linearly along the axis, while the positioning module is the passive moving part, and the grinding surface of the polishing module 3 and the concave surface of the plano-concave cylindrical mirror 2 are both cylindrical surfaces, and the axial direction and curvature of the two are the same (the curvature direction is opposite). When the grinding surface contacts the concave surface of the plano-concave cylindrical mirror 2, this slight shaking helps to ensure that the grinding surface of the polishing module 3 is better aligned with the axial direction of the positioning module, thereby improving the polishing efficiency and quality;

[0026] 4. Press down the pressure head to make the grinding surface of the cylindrical polishing mold 3 fully contact with the concave surface of the plano-concave cylindrical mirror 2, start the cylindrical polishing mold 3 to polish the concave surfaces of all the plano-concave cylindrical mirrors 2 on the chassis 1 simultaneously until the processing is completed, and take out the plano-concave cylindrical mirrors 2 in turn.

[0027] Example 2

[0028] The main body of the positioning module of the utility model is a chassis 1 with a square structure of a flat concave cylindrical surface. A plurality of groups of square sinks are evenly arranged on the concave surface of the chassis 1. The sinks are used to place the flat concave cylindrical mirrors 2, and the axial direction of the flat concave cylindrical mirrors 2 is consistent with the axial direction of the chassis 1. The material of the chassis 1 is metal, preferably stainless steel. A V-shaped concave point is provided at the center of the plane relative to the concave surface of the chassis 1, so that the chassis 1 can be clamped on the grinding machine.

[0029] In each sink, there is a liner, which is a square structure with an open top and a hollow interior. The material is plastic, preferably white steel. The bottom surface of the plano-concave cylindrical mirror 2 is placed in the liner, and is placed in the sink through the liner. The concave center point of the plano-concave cylindrical mirror 2 protrudes from the upper end of the liner, and the upper end of the liner also protrudes from the upper end of the sink. At this time, the gap range between the side surfaces of the plano-concave cylindrical mirror 2 and the inner wall of the liner, as well as the gap range between the outer wall of the liner and the inner wall of the sink are both 0.05 to 0.1 mm.

[0030] The chassis 1 with the plano-concave cylindrical mirror 2 placed on the liner will be inverted on the cylindrical polishing mold 3. The upper surface of the cylindrical polishing mold 3 is a grinding surface for polishing the concave surface of the plano-concave cylindrical mirror 2. The grinding surface is a cylindrical structure that is axially consistent with the chassis 1, and the diameter of the circular section perpendicular to the central axis is smaller than the diameter of the circular section perpendicular to the central axis of the concave surface of the chassis 1. At the same time, the curvature of the grinding surface perpendicular to the central axis is consistent with that of the plano-concave cylindrical mirror 2.

[0031] Working principle:

[0032] 1. Place a piece of flannel between each plano-concave cylindrical mirror 2 and the inner lining and then put it into the sink of the chassis 1;

[0033] 2. Put the chassis 1 filled with the plano-concave cylindrical mirrors 2 into water, so that the gaps between the plano-concave cylindrical mirrors 2 and the inner lining, and between the inner lining and the sink are fully filled with water. The adsorption force of water can help fix the inner lining and the plano-concave cylindrical mirrors 2. When the chassis 1 is inverted, the inner lining and the plano-concave cylindrical mirrors 2 are not easy to fall off from the chassis 1;

[0034] 3. Put the entire positioning module upside down on the cylindrical polishing mold 3, press the pressure head to the central concave point of the plane of the chassis 1, and slightly shake the cylindrical polishing mold 3 to align the axial direction of the grinding surface of the cylindrical polishing mold 3 with the axial direction of the chassis 1;

[0035] 4. Press down the pressure head to make the grinding surface of the cylindrical polishing mold 3 fully contact with the concave surface of the plano-concave cylindrical mirror 2, start the cylindrical polishing mold 3 to polish the concave surfaces of all the plano-concave cylindrical mirrors 2 on the chassis 1 simultaneously until the processing is completed, and take out the plano-concave cylindrical mirrors 2 in turn.

Claims

1. A positioning module for fixing a plano-concave cylindrical mirror, characterized in that: The main body of the positioning module is a chassis (1) with a square structure of a plano-concave cylindrical surface. A plurality of groups of square recesses are evenly arranged on the upper surface of the chassis (1). The recesses are used to place the plane of the plano-concave cylindrical mirror (2). The center of the concave surface of the plano-concave cylindrical mirror (2) protrudes from the recess, and the axial direction of the plano-concave cylindrical mirror (2) is consistent with the axial direction of the chassis (1).

2. The positioning module for fixing a plano-concave cylindrical mirror according to claim 1, characterized in that: A V-shaped concave point for placing the pressure head is provided at the center of the plane of the chassis (1).

3. The positioning module for fixing a plano-concave cylindrical mirror according to claim 1, characterized in that: The gap between the side wall of the plano-concave cylindrical mirror (2) and the inner wall of the sink is in the range of 0.05-0.1 mm.

4. The positioning module for fixing a plano-concave cylindrical mirror according to claim 3, characterized in that: A flannel cloth is provided between the plano-concave cylindrical mirror (2) and the sink.

5. The positioning module for fixing a plano-concave cylindrical mirror according to claim 1, characterized in that: The plano-concave cylindrical mirror (2) is placed in the sink through an inner liner made of white steel, and the inner liner is a square structure with an open top and a hollow interior.

6. The positioning module for fixing a plano-concave cylindrical mirror according to claim 5, characterized in that: The gap between the side wall of the plano-concave cylindrical mirror (2) and the inner wall of the lining is in the range of 0.05 to 0.1 mm.

7. The positioning module for fixing a plano-concave cylindrical mirror according to claim 6, characterized in that: Flannel cloth is provided between the plano-concave cylindrical mirror (2) and the inner lining.

8. The positioning module for fixing a plano-concave cylindrical mirror according to claim 6, characterized in that: The gap between the outer wall of the lining and the inner wall of the sink is in the range of 0.05 to 0.1 mm.

9. The positioning module for fixing a plano-concave cylindrical mirror according to claim 6, characterized in that: The concave center of the plano-concave cylindrical mirror (2) protrudes from the inner lining.

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