CN218628124U

CN218628124U - Lens spherical interferometer

Info

Publication number: CN218628124U
Application number: CN202223114841.4U
Authority: CN
Inventors: 付伟; 戚舰; 马玉芳
Original assignee: Dalian Cornerstone Photoelectric Technology Co ltd
Current assignee: Dalian Cornerstone Photoelectric Technology Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-14
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a lens spherical interferometer, the on-line screen storage device comprises a base, one side fixedly connected with support column at base top, the top of base is equipped with elevating system and fixture, elevating system includes the roof of fixed connection in support column top both sides, the equal swing joint in bottom of two roofs has the screw rod, the bottom of two screw rods all with one side fixed connection at base top, the equal threaded connection of outer wall of two screw rods has the backup pad, the equal fixed connection workstation in one side of two backup pads, the equal fixedly connected with transmission shaft in top of two screw rods, and two transmission shafts pass through belt transmission and connect, the utility model relates to a lens spherical interferometer can rotate through motor drive screw rod when using, makes the workstation of screw rod one side reciprocate, has saved the operation flow of artifical regulation, has improved spherical interferometer's precision in accommodation process, has improved spherical interferometer's work efficiency.

Description

Lens spherical interferometer

Technical Field

The utility model relates to a spherical interferometer field specifically is a lens spherical interferometer.

Background

The spherical interferometer is a precision instrument for detecting the surface shape of an optical element, the wavefront aberration of an optical lens, the uniformity of an optical material, and the like based on the principle of equal thickness interference, and the measurement precision thereof is generally 10 to 100, which is the average wavelength of a light source for detection.

In contrast, chinese patent No. CN2622670Y proposes an interferometer main body, a guide rail, and a holder attached to the guide rail, wherein a semiconductor laser is further connected to the interferometer main body, and a flat mirror is attached to the holder at a position corresponding to the semiconductor laser. The plane reflector is adjusted to enable the light beam incident on the plane reflector to be reflected to the semiconductor laser, so that the angle of the measured spherical surface relative to the optical axis is consistent during measurement, the local angle error caused by the non-straightness of the guide rail is prevented from being amplified on the five-dimensional support, the measured spherical surface deviates relative to the optical axis during measurement, and the measurement result has larger deviation from the actual result, namely Abbe error;

a lens spherical interferometer in above-mentioned patent needs the operator to carry out manual regulation when the use of instrument, and governing speed is slow to manual regulation operation is inconvenient, makes the lens produce the displacement easily at the in-process that uses, and the error that leads to measurement accuracy is great, has reduced work efficiency when having reduced the precision of instrument.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a lens interferometer to solve the above problems in the background art.

In order to achieve the purpose, the utility model provides a lens spherical interferometer, which comprises a base, wherein a supporting column is fixedly connected with one side of the top of the base, and the top of the base is provided with a lifting mechanism and a clamping mechanism;

elevating system includes fixed connection in the roof of support column top both sides, two the equal swing joint in bottom of roof has the screw rod, two the bottom of screw rod all with one side fixed connection at base top, two the equal threaded connection in outer wall of screw rod has the backup pad, two the equal fixed connection workstation in one side of backup pad, two the equal fixedly connected with transmission shaft in top of screw rod, and two transmission shafts pass through belt transmission and connect.

In one example, a motor is fixedly connected to the top of one of the top plates, and a connecting rod is fixedly connected to the top of one of the transmission shafts and is fixedly connected to an output end of the motor.

In one example, the clamping mechanism comprises baffle plates fixedly connected to two sides of the top of the workbench, two electric telescopic rods are fixedly connected to the center of one side of each baffle plate, one end of each electric telescopic rod is fixedly connected with a clamping plate, and a circular groove is formed in one side of each clamping plate.

In one example, a fixed plate is fixedly connected to the top of one side of the supporting column, and a spherical mirror is fixedly connected to the center of the bottom of the fixed plate.

In one example, a transparent dust cover is fixedly connected to the bottom of the fixing plate.

In one example, one side of base is equipped with flush mounting plate of switch, flush mounting plate of switch's surface is equipped with motor switch, electric telescopic handle switch, the motor passes through motor switch, electric telescopic handle and distributes and external power supply electric connection through electric telescopic handle switch.

Through the utility model provides a lens spherical interferometer can bring following beneficial effect:

1. through setting up in support column, roof screw rod, backup pad, transmission shaft, connecting rod, motor, the belt of base one side, can rotate through motor drive screw rod when using, make the workstation of screw rod one side reciprocate, saved the operation flow of manual regulation, improved the accuracy of spherical interferometer in accommodation process, improved spherical interferometer's work efficiency.

2. Through setting up in baffle, electric telescopic handle, splint, the circular slot at workstation top, can be when using, through opening the electric telescopic handle switch, will place in the lens at workstation top and fix, prevent at the in-process of using the instrument, make the position of lens take place the skew, improve the measurement precision of interferometer.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the lifting mechanism of the present invention;

fig. 3 is a schematic structural view of the clamping mechanism of the present invention.

In the figure: 1. a base; 2. a support column; 3. a top plate; 4. a screw; 5. a support plate; 6. a drive shaft; 7. a connecting rod; 8. a motor; 9. a work table; 10. a baffle plate; 11. an electric telescopic rod; 12. a splint; 13. a circular groove; 14. a fixing plate; 15. a spherical mirror; 16. a transparent dust cover; 17. a belt.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same aspect or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any one or more aspects or examples in a suitable manner.

Embodiment one, the utility model provides a lens sphere interferometer as shown in fig. 1-3, the on-line screen storage device comprises a base 1, one side fixedly connected with support column 2 at base 1 top, base 1's top is equipped with elevating system and fixture, elevating system includes the roof 3 of fixed connection in 2 top both sides of support column, the equal swing joint in bottom of two roof 3 has screw rod 4, the bottom of two screw rods 4 all with one side fixed connection at base 1 top, the equal threaded connection in outer wall of two screw rods 4 has backup pad 5, the equal fixed connection workstation 9 in one side of two backup pad 5, the equal fixedly connected with transmission shaft 6 in top of two screw rods 4, and two transmission shaft 6 pass through belt 17 transmission and connect, the top fixedly connected with motor 8 of one of them roof 3, the top fixedly connected with connecting rod 7 of one of them transmission shaft 6, connecting rod 7 and motor 8's output fixed connection, through setting up in support column 2 of base 1 one side, roof 3, screw rod 4, backup pad 5, transmission shaft 6, connecting rod 7, motor 8, belt 17, can be when using, drive screw rod 4 rotates, make the workstation 9 of one side carry out the interference, the work efficiency of manual work that has been saved and has been adjusted, the work efficiency that the work that the interference has been adjusted has improved in the process has reciprocated.

Embodiment two, the utility model provides a lens spherical interferometer as shown in fig. 2, fixture includes the baffle 10 of fixed connection in workstation 9 top both sides, the equal fixedly connected with electric telescopic handle 11 of center department of two baffle 10 one sides, the equal fixedly connected with splint 12 of one end of two electric telescopic handle 11, circular slot 13 has all been seted up to one side of two splint 12, the top fixedly connected with fixed plate 14 of support column 2 one side, the fixedly connected with spherical mirror 15 of center department of fixed plate 14 bottom, the transparent dust cover 16 of bottom fixedly connected with of fixed plate 14, through setting up in the baffle 10 at workstation 9 top, electric telescopic handle 11, splint 12, circular slot 13, can be when using, through opening the electric telescopic handle switch, the lens that will place at workstation 9 top is fixed, prevent in-process using the instrument, make the position of lens take place the skew, improve the measurement precision of interferometer.

The working principle is as follows: the utility model discloses a lens spherical interferometer, during the use, place the lens on workstation 9 earlier, through setting up in the baffle 10 at workstation 9 top, electric telescopic handle 11, splint 12, circular slot 13, can be when using, through opening the electric telescopic handle switch, will place the lens at workstation 9 top and fix, prevent at the in-process of using the instrument, make the position of lens take place the skew, improve interferometer's measurement precision, simultaneously through setting up in support column 2 of base 1 one side, roof 3, screw rod 4, backup pad 5, transmission shaft 6, connecting rod 7, motor 8, belt 17, can be when using, rotate through motor 8 drive screw rod 4, make workstation 9 of screw rod 4 one side reciprocate, the operation flow of manual regulation has been saved, the accuracy of spherical interferometer in accommodation process has been improved, the work efficiency of spherical interferometer has been improved, set up in the transparent dust cover 16 of fixed plate 14 bottom simultaneously, can be at the in-process of using, prevent that the dust from sticking to the surface of spherical mirror 15, thereby influence the precision in the use.

All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, as for the system embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and reference may be made to the partial description of the method embodiment for relevant points.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A lens spherical interferometer comprises a base (1), wherein a supporting column (2) is fixedly connected to one side of the top of the base (1), and a lifting mechanism and a clamping mechanism are arranged on the top of the base (1);

its characterized in that, elevating system includes roof (3) of fixed connection in support column (2) top both sides, two the equal swing joint in bottom of roof (3) has screw rod (4), two the bottom of screw rod (4) all with one side fixed connection at base (1) top, two the equal threaded connection in outer wall of screw rod (4) has backup pad (5), two the equal fixed connection workstation (9) in one side of backup pad (5), two the equal fixedly connected with transmission shaft (6) in top of screw rod (4), and two transmission shaft (6) are through belt (17) transmission connection.

2. An ophthalmic spherical interferometer according to claim 1, wherein a motor (8) is fixedly connected to the top of one of the top plates (3), wherein a connecting rod (7) is fixedly connected to the top of one of the transmission shafts (6), and wherein the connecting rod (7) is fixedly connected to the output of the motor (8).

3. The lens interferometer according to claim 1, wherein the holding mechanism comprises two baffles (10) fixedly connected to two sides of the top of the worktable (9), an electric telescopic rod (11) is fixedly connected to the centers of one sides of the two baffles (10), one ends of the two electric telescopic rods (11) are fixedly connected with clamping plates (12), and one sides of the two clamping plates (12) are provided with circular grooves (13).

4. The lens interferometer according to claim 1, wherein a fixing plate (14) is fixedly connected to the top of one side of the supporting column (2), and a spherical mirror (15) is fixedly connected to the center of the bottom of the fixing plate (14).

5. The lens interferometer according to claim 4, wherein a transparent dust cover (16) is fixedly attached to the bottom of the fixing plate (14).

6. The lens spherical interferometer according to claim 2, wherein a switch panel is disposed on one side of the base (1), a motor switch and an electric telescopic rod switch are disposed on the surface of the switch panel, and the motor (8) is electrically connected to an external power source through the motor switch and the electric telescopic rod (11) via the distribution of the electric telescopic rod switch.