Positioning device for beam splitter prism

Abstract

The positioning device comprises a base and the beam splitter prism, a first V-shaped groove is formed in the center of the upper surface of the base, positioning clamping plates are symmetrically installed on the upper surface of the first V-shaped groove in a sliding mode, a second V-shaped groove is formed in one side of each positioning clamping plate, and the second V-shaped groove and the first V-shaped groove are matched with the beam splitter prism. And a second limiting sliding groove is formed in the second V-shaped groove, two second limiting sliding blocks are symmetrically installed in the second limiting sliding groove in a sliding mode, an extrusion clamping plate is fixedly connected to one side of each second limiting sliding block, and a partition plate is placed in the first V-shaped groove. The second V-shaped grooves are matched with the beam splitter prisms, the first two-way threaded rods are rotated to drive the positioning clamping plates to gradually get close to and clamp the two sides of the positioning clamping plates, the extrusion clamping plates clamp the front faces and the rear faces of the beam splitter prisms, then the beam splitter prisms are positioned and clamped, and the multiple beam splitter prisms can be positioned and clamped at a time.

Description

Technical Field

[0001] The utility model relates to a positioning device, in particular to a positioning device for a spectroscope prism. Background Art

[0002] When a spectroscope prism is produced, it is not easy to align, resulting in the inability to control the alignment accuracy of the spectroscope prism and an increase in the defective rate of products. Therefore, a positioning device for a spectroscope prism is needed to improve this problem.

[0003] For example, a positioning device for a spectroscope prism with a publication number of CN216526473U disclosed in a Chinese patent. Aiming at the problem that the existing spectroscope prism is not easy to align during production, resulting in the inability to control the alignment accuracy of the spectroscope prism and an increase in the defective rate of products, the following solution is proposed. It includes a bottom plate, and two symmetrically arranged connecting plates are fixedly installed on the top of the bottom plate. A prism is arranged on the top of the bottom plate. Fixed slots are respectively formed on the sides of the two connecting plates close to each other. The same thin column is fixedly installed on the top inner wall and the bottom inner wall of the fixed slot. A lifting plate is slidably installed on the thin column. One end of a second spring is fixedly installed at the bottom of the lifting plate, and the other end of the second spring is fixedly installed on the bottom inner wall of the fixed slot. One side of each of the two lifting plates extends to the outside of the fixed slot. The structure of the utility model is simple and convenient to use, and can facilitate the clamping and fixing of the prism;

[0004] Some problems are found when the above-mentioned existing positioning device for a spectroscope prism is used. First, during the processing of the spectroscope prism, two spectroscope prisms will be adhered together. During the gluing and alignment process, glue will overflow, resulting in the direct contact between the lifting plate and the pressing plate of the device and the spectroscope prism. The overflowing glue will adhere the lifting plate, the pressing plate and the spectroscope prism together, making it difficult to remove later. Secondly, only one spectroscope prism can be positioned and clamped at a time, and the efficiency is low. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a positioning device for a spectroscope prism to solve the problems mentioned in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A positioning device for a spectroscope prism includes a base and a spectroscope prism. A first V-shaped groove is formed at the center of the upper surface of the base. Positioning clamping plates are symmetrically and slidably installed on the upper surface of the first V-shaped groove. A second V-shaped groove is formed on one side of the positioning clamping plate. The second V-shaped groove, the first V-shaped groove and the spectroscope prism cooperate with each other. A second limit sliding groove is formed in the second V-shaped groove. Two second limit sliding blocks are symmetrically and slidably installed in the second limit sliding groove. One side of the second limit sliding block is fixedly connected with a pressing clamping plate. A partition plate is placed in the first V-shaped groove.

[0007] Preferably, first limiting sliding grooves are symmetrically formed on the upper surface of the base, and first limiting sliding blocks are fixedly connected to the lower surface of the positioning clamping plate. The first limiting sliding blocks are in sliding fit with the first limiting sliding grooves.

[0008] Preferably, a first bidirectional threaded rod is rotatably installed in the base, and a first threaded through hole is formed in the first limiting sliding block. The first threaded through hole is in threaded fit with the first bidirectional threaded rod.

[0009] Preferably, a second bidirectional threaded rod is rotatably installed in the second limiting sliding groove, and a second threaded through hole is formed in the second limiting sliding block. The second threaded through hole is in threaded fit with the second bidirectional threaded rod.

[0010] Preferably, cushion blocks are fixedly connected to the front and rear surfaces of the partition plate near the upper and lower corners.

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

[0012] 1. Through the mutual cooperation of the second V-shaped groove and the spectroscope prism, rotating the first bidirectional threaded rod drives the positioning clamping plate to gradually approach, clamping on both sides of the positioning clamping plate, and the extrusion clamping plate clamps the front and rear surfaces of the spectroscope prism, thereby positioning and clamping the spectroscope prism. Multiple spectroscope prisms can be positioned and clamped at one time, and compared with the existing device, the efficiency is higher.

[0013] 2. By making the bonding surface of the spectroscope prism in a horizontal state, the overflow of glue can be minimized, and the glue can be prevented from overflowing and adhering to the device. Using the partition plate to pad between adjacent spectroscope prisms can prevent the glue from overflowing and adhering adjacent spectroscope prisms together. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 is a schematic diagram of the overall structure when the spectroscope prism is positioned and clamped by the present utility model;

[0016] Figure 3 is a schematic diagram of the base structure of the present utility model;

[0017] Figure 4 is a schematic diagram of the positioning clamping plate and the extrusion clamping plate structure of the present utility model;

[0018] Figure 5 is a schematic diagram of the partition plate structure of the present utility model.

[0019] In the figure: 1. base; 101. first V-shaped groove; 102. first limiting slide groove; 103. first bidirectional threaded rod; 2. positioning clamp; 201. second V-shaped groove; 202. second limiting slide groove; 203. second bidirectional threaded rod; 204. first limiting slider; 205. first threaded through hole; 3. extrusion clamp; 301. second limiting slider; 302. second threaded through hole; 4. partition; 401. pad; 5. dichroic prism. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1-5 The utility model provides a technical solution: a positioning device for a beam splitter prism, comprising a base 1 and a beam splitter prism 5. A first V-shaped groove 101 is provided at the center of the base 1, a positioning clamping plate 2 is symmetrically slidably installed on the first V-shaped groove 101, a second V-shaped groove 201 is provided on one side of the positioning clamping plate 2, the second V-shaped groove 201, the first V-shaped groove 101 and the beam splitter prism 5 cooperate with each other, a second limiting sliding groove 202 is provided in the second V-shaped groove 201, two second limiting sliding blocks 301 are symmetrically slidably installed in the second limiting sliding groove 202, an extrusion clamping plate 3 is fixedly connected to one side of the second limiting sliding block 301, and a partition plate 4 is placed in the first V-shaped groove 101.

[0022] In the present embodiment, by placing a corner of a plurality of beam splitter prisms 5 inside the first V-shaped groove 101, the gluing surface of the beam splitter prisms 5 is horizontal, the overflow of glue is avoided as much as possible, and a partition 4 is placed in front and back of the beam splitter prism 5, and the partition 4 is used to separate the beam splitter prisms 5 to avoid contact between the beam splitter prisms 5 and glue overflow that adheres adjacent beam splitter prisms 5 together, and the spacing between the two positioning clamps 2 is adjusted so that the positioning clamps 2 are clamped at the two side corners of the beam splitter prism 5, and the two sides of the beam splitter prism 5 are positioned and clamped so that the upper and lower prisms are aligned in the left and right directions, and then the second limiting slider 301 is moved to drive the squeezing clamp 3 to move, and the second limiting slider 301 is used to clamp the beam splitter prism 5 front and back so that the upper and lower prisms are aligned front and back, and then the placed beam splitter prisms 5 are aligned and positioned, multiple beam splitter prisms 5 can be clamped and fixed at the same time, and the partition 4 is used to separate the beam splitter prisms 5, effectively avoiding the problem of glue overflow that adheres the device to the beam splitter prism 5 together.

[0023] Among them, in order to achieve the purpose of adjusting the spacing between the positioning clamps 2, the present device is implemented by adopting the following technical scheme: a first limiting groove 102 is symmetrically opened on the base 1, a first limiting slider 204 is fixedly connected to the bottom of the positioning clamp 2, the first limiting slider 204 is slidingly matched with the first limiting groove 102, a first bidirectional threaded rod 103 is rotatably installed in the base 1, a first threaded through hole 205 is opened in the first limiting slider 204, and the first threaded through hole 205 is threadedly matched with the first bidirectional threaded rod 103.

[0024] By threading the first threaded through hole 205 and the first bidirectional threaded rod 103, rotating the first bidirectional threaded rod 103 can drive the first limit slider 204 to move, and the movement of the first limit slider 204 will drive the positioning clamp 2 to move, thereby adjusting the distance between the two positioning clamps 2, and using the positioning clamp 2 to position and clamp the splitter prism 5.

[0025] Among them, in order to achieve the purpose of adjusting the distance between the extrusion clamps 3, the present device is implemented by the following technical scheme: a second bidirectional threaded rod 203 is rotatably installed in the second limiting slide groove 202, a second threaded through hole 302 is opened in the second limiting slider 301, the second threaded through hole 302 is threadedly matched with the second bidirectional threaded rod 203, and pads 401 are fixedly connected to the front and back surfaces of the partition 4 near the upper and lower corners.

[0026] By threading the second threaded through hole 302 and the second limiting slide groove 202, rotating the second bidirectional threaded rod 203 can drive the second limiting slider 301 to move. The movement of the second limiting slider 301 will drive the extrusion clamp 3 to move, thereby adjusting the distance between the two extrusion clamps 3. The extrusion clamp 3 will clamp the dichroic prism 5 front and back. The pad 401 replaces the partition 4 to contact the dichroic prism 5. At the same time, the pad 401 is located at the upper and lower corners, with a certain distance from the gluing surface, which can avoid contact with overflowing glue as much as possible.

[0027] The working principle and use process of the utility model are as follows: when in use, it is necessary to rotate the first bidirectional threaded rod 103 to enlarge the spacing between the two positioning clamps 2 to prevent the positioning clamps 2 from affecting the placement of the dichroic prism 5, place one corner of the dichroic prism 5 in the first V-shaped groove 101, make the bonding surface of the dichroic prism 5 horizontal, and place the partition 4 between adjacent dichroic prisms 5, so that the front and back of the dichroic prism 5 are both attached with the partition 4, then rotate the first bidirectional threaded rod 103 to drive the positioning clamps 2 to move, use the two positioning clamps 2 to clamp the two sides of the dichroic prism 5, rotate the second bidirectional threaded rod 203 to drive the squeezing clamps 3 to move, use the squeezing clamps 3 to clamp the front and back of the dichroic prism 5, and multiple dichroic prisms 5 can be positioned and clamped synchronously.

[0028] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning device for a beam splitter prism, comprising a base (1) and a beam splitter prism (5), characterized in that: A first V-shaped groove (101) is provided at the center of the upper surface of the base (1); a positioning clamp (2) is symmetrically slidably mounted on the upper surface of the first V-shaped groove (101); a second V-shaped groove (201) is provided on one side of the positioning clamp (2); the second V-shaped groove (201), the first V-shaped groove (101) and the beam splitter prism (5) cooperate with each other; a second limiting sliding groove (202) is provided in the second V-shaped groove (201); two second limiting sliding blocks (301) are symmetrically slidably mounted in the second limiting sliding groove (202); a pressing clamp (3) is fixedly connected to one side of the second limiting sliding block (301); and a partition (4) is placed in the first V-shaped groove (101).

2. A positioning device for a beam splitter prism according to claim 1, characterized in that: A first limiting sliding groove (102) is symmetrically provided on the base (1), a first limiting sliding block (204) is fixedly connected to the bottom of the positioning clamping plate (2), and the first limiting sliding block (204) is slidably matched with the first limiting sliding groove (102).

3. A positioning device for a beam splitter prism according to claim 2, characterized in that: A first bidirectional threaded rod (103) is rotatably mounted in the base (1), a first threaded through hole (205) is provided in the first limit slider (204), and the first threaded through hole (205) is threadably matched with the first bidirectional threaded rod (103).

4. A positioning device for a beam splitter prism according to claim 1, characterized in that: A second bidirectional threaded rod (203) is rotatably mounted in the second limiting sliding groove (202), a second threaded through hole (302) is provided in the second limiting sliding block (301), and the second threaded through hole (302) is threadably matched with the second bidirectional threaded rod (203).

5. The positioning device for a beam splitter prism according to claim 1, characterized in that: Pads (401) are fixedly connected to the front and rear surfaces of the partition plate (4) near the upper and lower corners.

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