Flat-field concave grating

Abstract

The utility model provides a flat-field concave grating, which relates to the field of flat-field concave gratings and comprises a flat-field concave grating and a grating outer frame, the grating outer frame is clamped on the outer side of the flat-field concave grating, metal moving blocks are distributed on the rear side of the flat-field concave grating, and the front ends of the metal moving blocks are connected with the grating outer frame through universal rotating joints. An adjusting vertical plate is connected to the surface of the metal moving block in a penetrating mode, an adjusting groove is formed in the inner side of the adjusting vertical plate, a small electromagnetic chuck is embedded in the groove face of the adjusting groove, and an intelligent controller is installed at the side end of the adjusting vertical plate. The flat-field concave grating angle adjusting device solves the problem that adjusting efficiency is affected due to the fact that angle adjustment of flat-field concave gratings needs to rotate multiple sets of screws in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of flat-field concave gratings, in particular to a flat-field concave grating. Background Art

[0002] The function of the flat-field concave grating is to make the light both diffract and focus. After searching, the prior art (application number: CN202121047729.6) records that "the utility model device is provided with a second correction threaded rod, a hemispherical bearing and a spring. By rotating the second correction threaded rod, one end of the grating tray can be pushed and pulled with the help of the hemispherical bearing, thereby driving the grating tray to rotate. As the grating tray rotates, the angle of the flat-field concave grating can be adjusted laterally to correct the aberration. The spring can push and pull with elastic force when the grating tray is rotated and adjusted, thereby improving the stability of the grating tray adjustment. The problem that the aberration deviation of the flat-field concave grating is difficult to adjust is solved", but the problem that the angle adjustment of the flat-field concave grating in the prior art requires the rotation of multiple sets of screws, affecting the adjustment efficiency. Utility Model Content

[0003] In order to overcome the defects of the prior art, a flat-field concave grating is provided to solve the problem that the angle adjustment of the flat-field concave grating in the prior art requires rotating multiple sets of screws, which affects the adjustment efficiency.

[0004] To achieve the above object, a flat-field concave grating is provided, comprising: a flat-field concave grating and a grating outer frame, wherein the grating outer frame is clamped on the outer side of the flat-field concave grating.

[0005] A metal moving block is distributed on the rear side of the flat-field concave grating, and the front end of the metal moving block is connected to the grating outer frame through a universal rotating joint. An adjustment vertical plate is connected through the surface of the metal moving block, and an adjustment groove is opened on the inner side of the adjustment vertical plate. A small electromagnetic suction cup is embedded and installed on the groove surface of the adjustment groove, and an intelligent controller is installed on the side end of the adjustment vertical plate.

[0006] Furthermore, a pressing plate is inserted into the groove at the upper end of the grating outer frame, the pressing plate is fixed to the grating outer frame by fastening studs, and the lower end of the pressing plate is fitted to the flat-field concave grating via an anti-slip pad.

[0007] Furthermore, the rear side of the grating outer frame is connected to the universal rotating joint through a connecting plate, and the front and rear sides of the metal moving block are welded with limiting plates; and the limiting plates are located outside the adjustment slot.

[0008] Furthermore, a universal rotating joint is installed on the surface of the front-end limiting plate of the metal moving block; and the metal moving blocks are distributed in a ring-like shape and at equal intervals at the rear side end of the flat-field concave grating.

[0009] Furthermore, a base is fixed at the lower end of the adjustment vertical plate, and control buttons are arranged on the surface of the intelligent controller. The intelligent controller is connected to a small electromagnetic suction cup through electric wires.

[0010] Furthermore, a metal moving block is inserted through the adjusting groove, and the groove surface of the adjusting groove is adsorbed to the metal moving block via a small electromagnetic suction cup.

[0011] Furthermore, the metal moving block, the universal rotating joint, the small electromagnetic chuck and the adjusting vertical plate constitute a convenient adjustment structure for the aberration deviation of the flat-field concave grating.

[0012] The beneficial effect of the utility model lies in that the flat-field concave grating of the utility model utilizes multiple groups of metal moving blocks to penetrate and connect in the adjustment vertical plate, and the metal moving blocks are pushed in and out of the adjustment vertical plate to achieve the effect of adjusting the angle between the flat-field concave grating and the irradiated light. The small electromagnetic suction cup independently absorbs the moving position of each metal moving block, thereby realizing multi-directional rapid adjustment of the flat-field concave grating, conveniently and flexibly adjusting the aberration deviation of the flat-field concave grating, and improving the diffraction effect of the flat-field concave grating. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the front view structure of the flat-field concave grating according to an embodiment of the utility model.

[0014] Figure 2 It is a schematic diagram of a side view of a partial cross-section connection structure of a flat-field concave grating according to an embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the inner side cross-sectional structure of the adjusting vertical plate according to an embodiment of the utility model.

[0016] Figure 4 The figure is a schematic diagram of the top view of the grating outer frame according to an embodiment of the utility model.

[0017] In the figure: 1. Flat-field concave grating; 2. Grating frame; 21. Connecting plate; 3. Pressing plate; 31. Anti-slip pad; 32. Fastening studs; 4. Intelligent controller; 41. Control button; 5. Metal moving block; 51. Universal swivel joint; 52. Limiting plate; 53. Small electromagnetic suction cup; 6. Adjusting vertical plate; 61. Base; 62. Adjusting slot. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 4 As shown, the utility model provides a flat-field concave grating, comprising: a flat-field concave grating 1 and a grating outer frame 2, wherein the grating outer frame 2 is clamped on the outer side of the flat-field concave grating 1.

[0019] A metal moving block 5 is distributed on the rear side of the flat-field concave grating 1. The front end of the metal moving block 5 is connected to the grating outer frame 2 through a universal rotating joint 51. An adjusting vertical plate 6 is connected through the surface of the metal moving block 5. An adjusting groove 62 is opened on the inner side of the adjusting vertical plate 6. A small electromagnetic suction cup 53 is embedded and installed on the groove surface of the adjusting groove 62. An intelligent controller 4 is installed on the side end of the adjusting vertical plate 6.

[0020] Working principle: first, insert the flat-field concave grating 1 into the grating outer frame 2, and control a group or multiple groups of small electromagnetic suction cups 53 to be powered off through the intelligent controller 4, so that one or more metal moving blocks 5 are located in the adjustment groove 62 of the adjustment vertical plate 6 and move to adjust the angle between the surface of the flat-field concave grating 1 and the irradiated light, thereby adjusting the aberration of the flat-field concave grating 1 and ensuring the diffraction effect of the flat-field concave grating 1.

[0021] In this embodiment, a pressing plate 3 is inserted into the groove at the upper end of the grating outer frame 2 , and the pressing plate 3 is fixed to the grating outer frame 2 via fastening studs 32 , and the lower end of the pressing plate 3 is fitted to the flat-field concave grating 1 via an anti-slip pad 31 .

[0022] As a preferred implementation, the pressing plate 3 facilitates the flat-field concave grating 1 to be firmly clamped with the grating outer frame 2, so as to facilitate the flat-field concave grating 1 to smoothly adjust the aberration deviation.

[0023] In this embodiment, the rear side of the grating outer frame 2 is connected to the universal rotary joint 51 through the connecting plate 21 , and the limiting plates 52 are welded to the front and rear sides of the metal moving block 5 ; and the limiting plates 52 are located outside the adjustment slot 62 .

[0024] As a preferred implementation, the grating outer frame 2 facilitates supporting and connecting the flat-field concave grating 1, avoiding contact with the surface of the flat-field concave grating 1 when the hand pushes it, and preventing the surface of the flat-field concave grating 1 from being worn.

[0025] In this embodiment, a universal rotary joint 51 is installed on the surface of the front end limit plate 52 of the metal moving block 5; and the metal moving blocks 5 are distributed in a ring shape and equidistantly at the rear end of the flat-field concave grating 1.

[0026] As a preferred implementation, the universal rotary joint 51 facilitates the flexible tilting and rotation of the flat-field concave grating 1 , thereby improving the flexible adjustability of the flat-field concave grating 1 .

[0027] In this embodiment, a base 61 is fixed to the lower end of the adjustment vertical plate 6, and a control button 41 is arranged on the surface of the intelligent controller 4. The intelligent controller 4 is connected to a small electromagnetic suction cup 53 through electric wires.

[0028] As a preferred embodiment, a slot is provided in the middle of the adjusting upright plate 6 to facilitate the passage of the focused light. The intelligent controller 4 controls the small electromagnetic suction cup 53 to conduct electrified adsorption.

[0029] In this embodiment, a metal moving block 5 is inserted through the adjusting groove 62 , and the groove surface of the adjusting groove 62 is adsorbed to the metal moving block 5 via a small electromagnetic suction cup 53 .

[0030] As a preferred implementation, the metal moving block 5 moves in the adjustment slot 62 to tilt the flat-field concave grating 1 and change the angle between the flat-field concave grating 1 and the irradiated light, thereby achieving the effect of adjusting the aberration deviation of the flat-field concave grating 1.

[0031] In this embodiment, the metal moving block 5 , the universal rotating joint 51 , the small electromagnetic chuck 53 and the adjustment stand 6 constitute a convenient adjustment structure for the aberration deviation of the flat-field concave grating 1 .

[0032] As a preferred implementation, the convenient adjustment structure of the aberration deviation of the flat-field concave grating 1 can conveniently and flexibly adjust the aberration deviation of the flat-field concave grating 1, thereby improving the diffraction effect of the flat-field concave grating 1.

[0033] The flat-field concave grating of the utility model can effectively solve the problem in the prior art that the angle adjustment of the flat-field concave grating requires rotating multiple sets of screws, which affects the adjustment efficiency. It is convenient, efficient and flexible to adjust the aberration deviation of the flat-field concave grating, improves the diffraction effect of the flat-field concave grating, and is suitable for the flat-field concave grating.

Claims

1. A flat-field concave grating, comprising: A flat-field concave grating (1) and a grating outer frame (2), wherein the grating outer frame (2) is clamped onto the outer side of the flat-field concave grating (1), and is characterized in that: A metal moving block (5) is distributed on the rear side of the flat-field concave grating (1); the front end of the metal moving block (5) is connected to the grating outer frame (2) via a universal rotating joint (51); an adjustment vertical plate (6) is connected through the surface of the metal moving block (5); an adjustment groove (62) is provided on the inner side of the adjustment vertical plate (6); a small electromagnetic suction cup (53) is inlaid and installed on the groove surface of the adjustment groove (62); and an intelligent controller (4) is installed on the side end of the adjustment vertical plate (6).

2. A flat-field concave grating according to claim 1, characterized in that: A pressing plate (3) is inserted into the groove at the upper end of the grating outer frame (2); the pressing plate (3) is fixed to the grating outer frame (2) via a fastening stud (32); and the lower end of the pressing plate (3) is fitted to the flat-field concave grating (1) via an anti-slip pad (31).

3. A flat-field concave grating according to claim 1, characterized in that: The rear side of the grating outer frame (2) is connected to the universal rotary joint (51) via a connecting plate (21), and the front and rear sides of the metal moving block (5) are welded with a limiting plate (52); and the limiting plate (52) is located outside the adjustment slot (62).

4. A flat-field concave grating according to claim 3, characterized in that: A universal rotating joint (51) is mounted on the surface of a front end limit plate (52) of the metal moving block (5); and the metal moving blocks (5) are distributed in a ring-shaped manner at equal intervals at the rear end of the flat-field concave grating (1).

5. The flat-field concave grating according to claim 1, characterized in that: A base (61) is fixed to the lower end of the adjustment vertical plate (6), a control button (41) is arranged on the surface of the intelligent controller (4), and the intelligent controller (4) is connected to a small electromagnetic suction cup (53) via an electric wire.

6. A flat-field concave grating according to claim 1, characterized in that: A metal moving block (5) is inserted through the adjusting groove (62) and attached thereto. The groove surface of the adjusting groove (62) is adsorbed to the metal moving block (5) via a small electromagnetic suction cup (53).

7. The flat-field concave grating according to claim 1, characterized in that: The metal moving block (5), the universal rotating joint (51), the small electromagnetic suction cup (53) and the adjustment stand (6) constitute a convenient adjustment structure for the aberration deviation of the flat-field concave grating (1).

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