CN213208938U

CN213208938U - Precision sample tool for interferometer

Info

Publication number: CN213208938U
Application number: CN202022642446.8U
Authority: CN
Inventors: 崔丁方; 子光平; 彭明清; 崔海燕; 陈知江; 何兴军; 缪彦美; 廖吉伟; 朱家义
Original assignee: Yunnan Chihong International Germanium Industry Co ltd
Current assignee: Yunnan Chihong International Germanium Industry Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-05-14
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses an accurate sample frock for interferometer relates to physics optics technical field. The utility model discloses an observation mechanism, fixed establishment and supporting mechanism, fixed establishment and observation mechanism threaded connection, supporting mechanism cup joints with observation mechanism, is provided with rotatory round pin and elastic pressing block on the fixed establishment, and supporting mechanism is provided with the mounting. The utility model discloses a set up fixed establishment and supporting mechanism, when placing the sample on observation mechanism's locating surface, make the fixed head of mounting press the sample and fix on the locating surface, sweat stain or dust have been avoided causing the influence to the testing result, then four rotatory round pins autonomous workings, but according to the part shape concurrent use, also can only use the part, it is circular to adapt to, it is square, the clamping of dysmorphism sample, it is vertical to guarantee the sample with the locating surface of the observation mechanism that rotatory round pin cooperation was used, avoid the slope, realize the general clamping of different samples, ensure the normal phase of sample and light path simultaneously futilely, avoid measuring the deviation.

Description

Precision sample tool for interferometer

Technical Field

The utility model belongs to the technical field of the physics optics, especially, relate to an accurate sample frock for interferometer.

Background

The precision sample tool for the interferometer is a precision sample tool applied to the interferometer, is quite common in the life at present, and has the following defects in the actual use process although the precision sample tool for the interferometer can be used for accurately measuring surface shape indexes such as PV, RMS and IRR.

The three-jaw chuck is used for clamping the sample of the existing precise sample tool for the interferometer, the three-jaw chuck is only suitable for clamping a circular sample in actual operation, the sample is difficult to fix in a square shape and a special-shaped sample, and when the circular sample is clamped, due to the lack of locating points, the sample is easy to slightly incline, which cannot be perceived by naked eyes, so that certain influence is caused on an interference pattern, and finally, measurement deviation or even the condition of incapability of measurement occurs.

When a sample is clamped by using a precision sample tool for an existing interferometer, the sample is usually fixed by a hand, and then is fixed by using a clamping tool, but when the sample is fixed by the hand, sweat stains and dust on the hand fall on the sample easily, and errors occur in data during interference.

Therefore, the existing precision sample tool for the interferometer has low practicability and cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate sample frock for interferometer, through setting up observation mechanism, fixed establishment and supporting mechanism, can be with sample precision positioning, compatible circular, square, special-shaped sample to can not be stained with the spot when placing the sample, solved the interferometer measurement in-process, the sample installation is slope easily, the installation is unstable, the interferogram is easily disturbed and when fixed sample the sample rock easily, leave the problem of spot on the sample easily.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an accurate sample frock is used to interferometer, including observation mechanism, fixed establishment and supporting mechanism, fixed establishment and observation mechanism threaded connection, supporting mechanism cup joints with observation mechanism, fixed establishment includes rotatory round pin and elastic pressing block, the one end of rotatory round pin is provided with the thread head, elastic pressing block is cup jointed to the other end of rotatory round pin, supporting mechanism includes dwang, bracing piece and mounting, the one end of bracing piece is pegged graft on the dwang, the connecting hole has been seted up on the other end of bracing piece, is provided with the internal thread in the connecting hole, the mounting passes through connecting hole and bracing piece threaded connection.

Further, observation mechanism includes locating plate, rand, square groove and fixed column, one side of locating plate is provided with the rand, the opposite side of locating plate is provided with square groove, the bottom fixed connection of fixed column is on the locating plate, and the locating plate middle part is arranged in to square groove, and locating plate, rand, the processing of square groove three integrated into one piece provide a locating surface when can making the sample interfere for keep vertical state with the sample through setting up the locating plate.

Furthermore, one side of the positioning plate provided with the square groove is a positioning surface, an observation hole is formed in the middle of the positioning plate, and threaded holes are formed in the middle of the four walls of the square groove.

Further, the fixing mechanism corresponds to the threaded holes in the square groove one by one, external threads are formed in the rotating pin and can be in threaded connection with the threaded holes through the external threads, and the sample can be fixed through the elastic pressing block by changing the length of the rotating pin in the square groove.

Further, the bottom of dwang has been seted up and has been rotated the groove, the mounting includes dead lever and fixed head, the external screw thread has been seted up on the dead lever, fixed head fixed connection is in the bottom of dead lever, through setting up the fixed head, can make the mounting when the fixed sample of contact for the cleanness of protection sample can not leave the spot on the sample.

Further, the bottom of dwang and the fixed column swing joint on the observation mechanism, be provided with the locating part in the fixed column, the locating part joint in rotation groove and the fixed column.

The utility model discloses following beneficial effect has:

the utility model discloses a set up rotatory round pin, when using, four rotatory round pin autonomous workings can use simultaneously according to the part shape, also can only use the part to the clamping that adapts to circular, square, dysmorphism sample, the tank bottom locating surface of observation mechanism who uses with the cooperation of rotatory round pin ensures that the sample is vertical, avoids the slope, realizes the general clamping of different samples, ensures the normal facies of sample and light path simultaneously futilely, avoids measuring the deviation.

The utility model discloses a set up supporting mechanism, when placing the sample on observation mechanism's locating surface, through rotating the dwang, then rotatory mounting makes the fixed head can press the sample to fix on the locating surface, has avoided fixing the sample with the hand when using, has avoided sweat stain or dust to cause the influence to the testing result.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a precision sample tool for an interferometer;

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

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

fig. 4 is a schematic structural diagram of the supporting mechanism of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an observation mechanism; 11. positioning a plate; 111. positioning the surface; 112. an observation hole; 12. a collar; 13. a square groove; 131. a threaded hole; 14. fixing a column; 2. a fixing mechanism; 21. a rotation pin; 22. elastic pressing blocks; 3. a support mechanism; 31. rotating the rod; 311. a rotating groove; 32. a support bar; 33. a fixing member; 331. fixing the rod; 332. and fixing the head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention relates to a precision sample tool for interferometer, which comprises an observation mechanism 1, a fixing mechanism 2 and a supporting mechanism 3, wherein the fixing mechanism 2 is connected with the observation mechanism 1 by screw threads, and the supporting mechanism 3 is sleeved with the observation mechanism 1.

Wherein, as shown in fig. 1-3, the observing mechanism 1 comprises a positioning plate 11, a retainer ring 12, a square groove 13 and a fixed column 14, one side of the positioning plate 11 is provided with the retainer ring 12, the other side of the positioning plate 11 is provided with the square groove 13, the bottom of the fixed column 14 is fixedly connected to the positioning plate 11, one side of the positioning plate 11 provided with the square groove 13 is a positioning surface 111, the middle part of the positioning plate 11 is provided with an observing hole 112, the middle positions of the four walls of the square groove 13 are all provided with a threaded hole 131, the fixing mechanism 2 comprises a rotating pin 21 and an elastic pressing block 22, one end of the rotating pin 21 is provided with a threaded head, the other end of the rotating pin 21 is sleeved with the elastic pressing block 22, the fixing mechanism 2 is in one-to-one correspondence with the threaded holes 131 on the square groove 13, the rotating pin 21, the material is plastic steel, the surface of the positioning plate 11 contacting the square groove 13 is a positioning surface 111, the size of the square groove 13 is 100 multiplied by 100mm or 150 multiplied by 150mm, the size phi of the retainer ring 12 is 200mm, and the material is plastic steel, when in use, a sample is placed on the positioning surface 111 of the positioning plate 11, then the sample is pressed on the positioning plate 11 by using the supporting mechanism 3, and then the rotating pin 21 of the fixing mechanism 2 is rotated, so that the elastic pressing block 22 can fix the sample.

As shown in fig. 1 and 4, the supporting mechanism 3 includes a rotating rod 31, a supporting rod 32 and a fixing member 33, one end of the supporting rod 32 is inserted into the rotating rod 31, the other end of the supporting rod 32 is provided with a connecting hole, an internal thread is arranged in the connecting hole, the fixing member 33 is in threaded connection with the supporting rod 32 through the connecting hole, the bottom of the rotating rod 31 is provided with a rotating groove 311, the fixing member 33 includes a fixing rod 331 and a fixing head 332, the fixing rod 331 is provided with an external thread, the fixing head 332 is fixedly connected to the bottom of the fixing rod 331, the bottom of the rotating rod 31 is movably connected with a fixing column 14 on the observation mechanism 1, a limiting member is arranged in the fixing column 14, the rotating groove 311 is clamped with the limiting member in the fixing column 14, four sides of the square groove 13 are respectively provided with a rotating pin 21, the material is rubber, when a sample is placed on the positioning plate 11, the rotating rod 31 is rotated, and the fixing rod 331 is rotated, so that the fixing head 332 of the fixing member 33 can press and fix the sample on the positioning surface 111, and after the fixing mechanism 2 fixes the sample, the supporting mechanism 3 is removed, and data measurement is performed.

One specific application of this embodiment is: the method comprises the steps of firstly, in installation, connecting a fixing mechanism 2 to a square groove 13 of an observation mechanism 1 in a threaded mode, secondly, movably connecting a supporting mechanism 3 to a fixing column 14 of the observation mechanism 1, completing installation, and thirdly, when a sample is measured, putting the sample into the square groove 13, then fixing a fixing part 33 of the supporting mechanism 3 on the sample, enabling a fixing head 332 to be tightly attached to a positioning surface 111, selecting four rotating pins 21 or a plurality of rotating pins 21 according to the shape, enabling the sample to be tightly pressed and fixed, and then connecting the sample with an interferometer interface through a clamping ring 12, so that vertical and stable installation of the sample can be completed, and the sample is accurately installed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a precision sample frock for interferometer which characterized in that: including observation mechanism (1), fixed establishment (2) and supporting mechanism (3), fixed establishment (2) and observation mechanism (1) threaded connection, supporting mechanism (3) cup joint with observation mechanism (1), fixed establishment (2) are including rotatory round pin (21) and elastic pressing block (22), the one end of rotatory round pin (21) is provided with the thread head, elastic pressing block (22) are cup jointed to the other end of rotatory round pin (21), supporting mechanism (3) are including dwang (31), bracing piece (32) and mounting (33), the one end of bracing piece (32) is pegged graft on dwang (31), the connecting hole has been seted up on the other end of bracing piece (32), is provided with the internal thread in the connecting hole, mounting (33) are through connecting hole and bracing piece (32) threaded connection.

2. The precision sample tool for the interferometer according to claim 1, wherein the observation mechanism (1) comprises a positioning plate (11), a clamping ring (12), a square groove (13) and a fixing column (14), the clamping ring (12) is arranged on one side of the positioning plate (11), the square groove (13) is arranged on the other side of the positioning plate (11), and the bottom of the fixing column (14) is fixedly connected to the positioning plate (11).

3. The precision sample tool for the interferometer according to claim 2, wherein one side of the positioning plate (11) provided with the square groove (13) is a positioning surface (111), the middle of the positioning plate (11) is provided with an observation hole (112), and threaded holes (131) are formed in the middle positions of the four walls of the square groove (13).

4. The precision sample tool for the interferometer according to claim 1, wherein the fixing mechanisms (2) correspond to threaded holes (131) in the square grooves (13) in a one-to-one manner, and external threads are formed on the rotating pin (21).

5. The precision sample tool for the interferometer according to claim 1, wherein a rotation groove (311) is formed at the bottom of the rotation rod (31), the fixing member (33) comprises a fixing rod (331) and a fixing head (332), an external thread is formed on the fixing rod (331), and the fixing head (332) is fixedly connected to the bottom of the fixing rod (331).

6. The precision sample tool for the interferometer according to claim 5, wherein the bottom of the rotating rod (31) is movably connected with a fixed column (14) on the observation mechanism (1), a limiting piece is arranged in the fixed column (14), and the rotating groove (311) is clamped with the limiting piece in the fixed column (14).