CN219626588U

CN219626588U - Sample clamping device of scanning electron microscope

Info

Publication number: CN219626588U
Application number: CN202320041154.XU
Authority: CN
Inventors: 丁翔; 蒋志; 董雨
Original assignee: Shanghai Chenguan Technology Development Co ltd
Current assignee: Shanghai Chenguan Technology Development Co ltd
Priority date: 2023-01-08
Filing date: 2023-01-08
Publication date: 2023-09-01
Anticipated expiration: 2033-01-08

Abstract

The utility model relates to the technical field of sample clamping devices, and discloses a sample clamping device of a scanning electron microscope. The utility model provides a sample clamping device of a scanning electron microscope, which is characterized in that through the connection between a fixed seat and a threaded rod, the threaded rod moves back and forth in the fixed seat in a rotating way, the threaded rod is matched with the connection between the threaded rod and a fastening block, the fastening block can be pushed to move to be matched with a clamping block to clamp, when a cover glass is required to be clamped, the position of the fastening block can be adjusted according to the length of the cover glass, after the position of the fastening block is properly adjusted, a connecting rod is rotated to enable a pressing plate to descend to clamp the cover glass, so that a certain application range is improved, and meanwhile, the threaded rod and the fixed seat are matched with cover glass of different sizes, so that the application range is further improved, and cost and operation trouble are reduced.

Description

Sample clamping device of scanning electron microscope

Technical Field

The utility model relates to the technical field of sample clamping devices, in particular to a sample clamping device of a scanning electron microscope.

Background

Scanning Electron Microscopy (SEM), which is an observation means between transmission electron microscopy and optical microscopy, uses a focused very narrow high-energy electron beam to scan a sample, excites various physical information through the interaction between the beam and a substance, collects, amplifies and re-images the information to achieve the aim of representing the microscopic morphology of the substance, and the resolution of the new scanning electron microscope can reach 1nm; the magnification can reach 30 ten thousand times or more and is continuously adjustable; in addition, the scanning electron microscope is widely applied to researches on rock soil, graphite, ceramics, nano materials and the like, when the scanning electron microscope is used, a sample is required to be placed on a workbench, the observation surface is required to be in a horizontal state and kept in a fixed state as much as possible when the sample and the cover glass are placed, and the traditional workbench can only place the sample or the cover glass on the workbench, so that for partial irregular samples, the level of the observation surface is difficult to ensure, and the cover glass is easy to slide to generate ectopic, so that the sample or the cover glass is required to be clamped and fastened.

Chinese patent publication No. CN205376460U discloses a sample clamping device for scanning electron microscope, which comprises a workbench, the one end of workstation is equipped with a fixture block, the horizontal spout that is equipped with of workstation upper surface, it has the slider to inlay in the spout, the top of slider is equipped with No. two fixture blocks, the other end of workstation is equipped with the boss, the limit portion of boss is connected with the slider through cylindrical spring, the bottom in the spout is equipped with a plurality of blind holes, be equipped with the bracing piece in the blind hole, the top of bracing piece is equipped with the layer board. The utility model can conveniently clamp irregular, different weight and different volume samples through the matching of the first clamping block, the second clamping block and the supporting plate, but the utility model only clamps different types, different volumes and different rules samples, has no clamping function on the cover glass, has limited clamping function, needs to use a cover glass clamping tool when the cover glass is required to be clamped in the detection process, increases the operation trouble of staff and has certain limitation in use.

In view of the above, a sample clamping device for a scanning electron microscope is provided to solve the above problems, and can be matched with cover slips of different sizes to clamp according to different samples, so that the clamping cost and trouble are reduced, and the clamping variety is further improved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a sample clamping device of a scanning electron microscope, which solves the problems in the background art.

Technical proposal

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a scanning electron microscope sample clamping device, includes backup pad, mounting panel, fixing base, grip block, fastening piece and threaded rod, the backup pad passes through adjustment mechanism and is connected with the mounting panel, the fixing base sets up the one end at the mounting panel upper surface, the grip block sets up the one end of keeping away from the fixing base at the mounting panel upper surface, the screw hole and the threaded rod threaded connection of seting up are passed through in the front of fixing base, the one end that the fixing base was worn out to the threaded rod rotates with the fastening piece to be connected, the upper surface of grip block and fastening piece all has the connecting rod through the screw hole threaded connection of seting up, the one end cover of connecting rod is equipped with the clamp plate.

Optionally, the adjustment mechanism includes ball cover, ball piece and regulation pole, the upper surface of ball cover is established at the surface of ball piece through the groove cover of seting up, the upper surface of backup pad is through the screw hole and the regulation pole threaded connection of seting up.

Optionally, the upper surface of ball cover and mounting panel fixed connection, the lower surface of ball piece and backup pad fixed connection, the upper surface of adjusting the pole is connected with the lower surface contact of backup pad.

Optionally, the lower surface of ball cover and backup pad fixed connection, the lower surface of ball piece and mounting panel fixed connection, the upper surface of adjusting the pole is connected with the lower surface contact of backup pad.

Optionally, the number of the adjusting rods is four, and the four adjusting rods are arranged on the upper surface of the supporting plate in a rectangular array mode.

Optionally, one end fixedly connected with fixture block of threaded rod, the preceding cover of fastening piece is established at the surface of fixture block through the groove cover of seting up.

Optionally, the lower surface fixedly connected with gag lever post of fastening piece, the spout that can with gag lever post complex is seted up to the upper surface of mounting panel, the inner wall and the gag lever post sliding connection of spout.

Optionally, the number of the limiting rods and the number of the sliding grooves are two, and the two limiting rods are symmetrically arranged by taking the central line of the fastening block as a symmetry axis.

Optionally, the lower surface of backup pad is provided with the spacer, the quantity of spacer is four, four the spacer is arranged at the lower surface of backup pad with rectangular array's mode, the upper surface of spacer passes through the screw thread groove of seting up and adjusts the surface threaded connection of the outer surface of pole outgoing backup pad.

The utility model provides a sample clamping device of a scanning electron microscope, which has the following beneficial effects:

the utility model provides a sample clamping device of a scanning electron microscope, which is characterized in that through the connection between a fixed seat and a threaded rod, the threaded rod rotates back and forth in the fixed seat, the threaded rod is matched with the connection between the threaded rod and a fastening block, the fastening block can be pushed to move to be matched with a clamping block for clamping, when a cover glass is required to be clamped, the position of the fastening block can be adjusted according to the length of the cover glass, after the position of the fastening block is adjusted properly, a connecting rod is rotated to enable a pressing plate to descend for clamping the cover glass, a certain application range is improved, and meanwhile, the threaded rod and the fixed seat are matched with cover glass of different sizes, so that the application range is further improved, the cost and the operation trouble are reduced, and the types of clamped samples are more comprehensive.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the fastening block of the present utility model;

FIG. 3 is a schematic view of the structure of the ball block according to the present utility model.

In the figure: 1. a support plate; 2. a mounting plate; 3. a fixing seat; 4. a clamping block; 5. a fastening block; 6. a threaded rod; 7. a connecting rod; 8. a pressing plate; 9. a ball sleeve; 10. a ball block; 11. an adjusting rod; 12. a clamping block; 13. a limit rod; 14. a chute; 15. and (5) supporting blocks.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Referring to fig. 1, a fixing seat 3 is disposed on an upper surface of a supporting plate 1, a side surface of the fixing seat 3 is in threaded connection with a threaded rod 6 through a threaded hole formed therein, so that the threaded rod 6 can move forward and backward in the fixing seat 3, a tension rod is sleeved on an outer surface of one end of the threaded rod 6 through a through hole formed therein, a worker can conveniently rotate the threaded rod 6 through the tension rod, a clamping block 12 is disposed at one end of the threaded rod 6, a side surface of a fastening block 5 is sleeved on an outer surface of the clamping block 12 through a groove formed therein, the fastening block 5 can rotate on the outer surface of the clamping block 12, meanwhile the clamping block 12 can also rotate in the fastening block 5, a limit rod 13 is disposed on a lower surface of the fastening block 5, a sliding groove 14 capable of being matched with the limit rod 13 is formed on an upper surface of a mounting plate 2, and the clamping block 5 can not rotate along with the rotation of the threaded rod 6 through the cooperation of the sliding groove 14 and the limit rod 13, and only slides are generated;

referring to fig. 1, the upper surfaces of the fastening block 5 and the clamping block 4 are respectively connected with a connecting rod 7 through threaded holes formed in the upper surfaces, so that the connecting rods 7 can respectively rotate and vertically lift in the fastening block 5 and the clamping block 4, one end of each connecting rod 7 is sleeved with a pressing plate 8, so that the pressing plates 8 can rotate at one end of each connecting rod 7, when the clamping plates 8 are rotated out during use, the pressing plates 8 are rotated back during non-use, the influence on the matching of the clamping block 4 and the fastening block 5 is reduced, and the connecting rods 7 can drive the pressing plates 8 to vertically lift;

referring to fig. 1, a pressing plate 8 can clamp a cover glass along with the descending of a connecting rod 7, so that the cover glass is fastened on a mounting plate 2 and moves along with the mounting plate 2, and according to the size of the cover glass, the cover glass is matched with a fastening block 5 to move, so as to clamp and fasten cover glass with different sizes;

referring to fig. 3, a ball block 10 is disposed on the lower surface of a mounting plate 2, a ball sleeve 9 is sleeved on the upper surface of the ball block 10 through a slot formed, the ball block 10 can rotate in the ball sleeve 9 to adjust an angle, meanwhile, the ball block 10 can drive the mounting plate 2 to rotate to adjust the angle, the ball sleeve 9 is disposed on the upper surface of a supporting plate 1, the supporting plate 1 supports the ball sleeve 9 and the mounting plate 2, an adjusting rod 11 is threaded through the supporting plate 1, the adjusting rod 11 can vertically lift in the supporting plate 1 through rotation, the upper surface of the adjusting rod 11 is in contact connection with the lower surface of the mounting plate 2, and four adjusting rods 11 can be matched with the inclination angle of the mounting plate 2 to adjust an irregular sample clamped, so that the influence of watching of workers is reduced;

referring to fig. 3, the ball 10 is disposed on the upper surface of the support plate 1, the ball sleeve 9 is sleeved on the outer surface of the ball 10, the ball sleeve 9 is disposed on the lower surface of the mounting plate 2, the ball 10 can rotate in the ball sleeve 9 to adjust the angle, the ball sleeve 9 is matched with the mounting plate 2 in a connection manner, the ball sleeve 9 can be matched with the mounting plate 2 in an angle, the angle of the mounting plate 2 is adjusted by the matching between the adjusting rod 11 and the support plate 1, the influence of watching of workers is reduced, and a certain convenience is improved.

Referring to fig. 1, the number of the two sliding grooves 14 is two, and the two sliding grooves 14 are matched with the two limiting rods 13, so that the sliding stability of the fastening block 5 can be improved, and the accidental rotation of the fastening block 5 is reduced, and the movement is influenced;

referring to fig. 3, the upper surface of the supporting block 15 is in threaded connection with the surface of the adjusting rod 11 penetrating out of the supporting plate 1 through a threaded groove, the redundant part of the adjusting rod 11 penetrating out of the supporting plate 1 can be stored by the supporting rod, and meanwhile, the supporting plate 1 can be expanded and supported, so that a certain distance is generated between the supporting plate 1 and a tabletop, and the supporting plate 1 is conveniently placed on a microscope.

The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.

In the utility model, the working steps of the device are as follows:

1. firstly, according to the selection of samples, the clamping block 4 is matched with the fastening block 5 or the cover glass is clamped through the pressing plate 8, when the irregular samples are clamped, the threaded rod 6 is rotated to enable the threaded rod 6 to push the fastening block 5 to move, and the fastening block 5 is matched with the clamping block 4 to clamp the irregular samples;

2. secondly, when the cover glass is clamped, the connecting rod 7 is rotated to enable the connecting rod 7 to lift in the clamping block 4 and the fastening block 5, the pressing plate 8 is matched with the mounting plate 2 to clamp and fasten the cover glass along with the falling of the connecting rod 7, and the cover glass moves along with the mounting plate 2;

3. then, the threaded rod 6 can be rotated according to the conditions of different sizes of cover slips, so that the fastening block 5 moves with the connecting rod 7 and the pressing plate 8 on the fastening block 5, and after the fastening block moves to a proper position, the connecting rod 7 is rotated, so that the pressing plate 8 descends to clamp, and the cover slips with different sizes can be matched for clamping and fastening;

4. finally, when the ball sleeve 9 is used, the corresponding adjusting rod 11 can be rotated according to the inclination condition to enable the adjusting rod 11 to extend, the upper surface of the adjusting rod 11 is propped against the mounting plate 2, the ball block 10 is enabled to rotate in the ball sleeve 9, and the mounting plate 2 generates an inclination adjusting angle.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A scanning electron microscope sample holding device, characterized in that: including backup pad (1), mounting panel (2), fixing base (3), grip block (4), fastening block (5) and threaded rod (6), backup pad (1) are connected with mounting panel (2) through adjustment mechanism, fixing base (3) set up the one end at mounting panel (2) upper surface, grip block (4) set up the one end of keeping away from fixing base (3) at mounting panel (2) upper surface, the preceding screw hole and threaded rod (6) threaded connection of seting up of fixing base (3), threaded rod (6) wears out the one end and fastening block (5) rotation of fixing base (3) and is connected, the upper surface of grip block (4) and fastening block (5) is all through the screw hole threaded connection of seting up connecting rod (7), the one end cover of connecting rod (7) is equipped with clamp plate (8).

2. A scanning electron microscope sample holding device according to claim 1 wherein: the adjusting mechanism comprises a ball sleeve (9), a ball block (10) and an adjusting rod (11), wherein the upper surface of the ball sleeve (9) is sleeved on the outer surface of the ball block (10) through a groove, and the upper surface of the supporting plate (1) is in threaded connection with the adjusting rod (11) through a threaded hole.

3. A scanning electron microscope sample holding device according to claim 2 wherein: the upper surface of ball cover (9) and mounting panel (2) fixed connection, the lower surface of ball piece (10) and backup pad (1) fixed connection, the upper surface of adjusting pole (11) and the lower surface contact connection of backup pad (1).

4. A scanning electron microscope sample holding device according to claim 2 wherein: the lower surface of ball cover (9) and backup pad (1) fixed connection, the lower surface of ball piece (10) and mounting panel (2) fixed connection, the upper surface of adjusting pole (11) and the lower surface contact connection of backup pad (1).

5. A scanning electron microscope sample holding device according to claim 2 wherein: the number of the adjusting rods (11) is four, and the four adjusting rods (11) are arranged on the upper surface of the supporting plate (1) in a rectangular array mode.

6. A scanning electron microscope sample holding device according to claim 1 wherein: one end of the threaded rod (6) is fixedly connected with a clamping block (12), and the front face of the fastening block (5) is sleeved on the outer surface of the clamping block (12) through a groove.

7. A scanning electron microscope sample holding device according to claim 1 wherein: the lower surface of the fastening block (5) is fixedly connected with a limiting rod (13), a chute (14) which can be matched with the limiting rod (13) is formed in the upper surface of the mounting plate (2), and the inner wall of the chute (14) is in sliding connection with the limiting rod (13).

8. A scanning electron microscope sample holding apparatus as claimed in claim 7 wherein: the number of the limiting rods (13) and the number of the sliding grooves (14) are two, and the two limiting rods (13) are symmetrically arranged by taking the central line of the fastening block (5) as a symmetrical axis.

9. A scanning electron microscope sample holding device according to claim 2 wherein: the lower surface of backup pad (1) is provided with supporting shoe (15), the quantity of supporting shoe (15) is four, four supporting shoe (15) are arranged in the lower surface of backup pad (1) with rectangular array's mode, the surface threaded connection of the surface of supporting shoe (1) is passed out through the screw thread groove of seting up with adjusting pole (11) to the upper surface of supporting shoe (15).