CN215008135U - Sample loading device of transmission electron microscope - Google Patents

Abstract

The utility model discloses a transmission electron microscope's dress appearance device, including backup pad, circulator, lift post, driving motor and sample board, the slide is installed at the top of backup pad, the support column is installed at the top of backup pad, the controller is installed at the top of backup pad, L shape mounting panel is installed in the front of backup pad. The utility model discloses install driving motor and pressure detector, driving motor drives the drive lead screw through the drive pivot and rotates, the drive lead screw passes through two drive dwangs of gear and rotates, the dwang drives two sets of movable plates and is close to each other, the movable plate drives the stripper plate and is close to each other, when the stripper plate contacts the sample ware, pressure detector detects pressure variation, the movable plate continues to move, the pressure detector pressure value increases, when reaching preset pressure, driving motor stop work, movable plate stop motion, can indirect control device centre gripping sample ware's dynamics through pressure detector, realize the function of control centre gripping sample ware dynamics.

Description

Sample loading device of transmission electron microscope

Technical Field

The utility model relates to a material analysis technical field specifically is a transmission electron microscope's dress appearance device.

Background

When a transmission electron microscope is used for an observation test, a researcher usually directly uses tweezers to clamp a sample device containing a sample under the electron microscope for observing the sample, the tweezers are used to clamp the sample device to control the clamping force, the sample device can not be accurately clamped, the sample can be damaged, and the test and the observation result are influenced.

The existing defects are as follows:

1. most of the existing sample loading devices clamp a sample device with a sample through tweezers, the clamping force cannot be controlled, the sample device can be broken due to excessive clamping force, the clamping force is insufficient, and the sample device can fall off from the tweezers;

2. most of the existing sample loading devices manually place a sample device with a sample on a sample plate, and the sample device cannot be accurately placed in the center of the sample plate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transmission electron microscope's dress appearance device to the uncontrollable centre gripping dynamics that provides in solving above-mentioned background art and the unable problem of accurately placing the sampler.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a transmission electron microscope's dress appearance device, includes backup pad, circulator, lift post, driving motor and sample board, the slide is installed at the top of backup pad, the support column is installed at the top of backup pad, and the support column is located one side of slide, the controller is installed at the top of backup pad, and the controller is located the front of support column, L shape mounting panel is installed in the front of backup pad.

Preferably, a damping base is installed at the bottom of the supporting plate.

Preferably, a vertical movable plate is installed at the top of the slide way, a nut is installed at the bottom of the vertical movable plate, a screw rod is installed on the front face of the L-shaped installation plate, one end of the screw rod penetrates through the inside of the nut, a first rotary table is installed at the other end of the screw rod, and a first handle is installed on the front face of the first rotary table.

Preferably, the top of the vertical moving plate is provided with a rotator, the top of the rotator is provided with a lifting column, the front of the lifting column is provided with a placing plate, the top of the vertical moving plate is provided with a supporting block, the outer wall of the supporting block is provided with a fixed plate through a rotating shaft, and the bottom of the fixed plate is connected with the top of the placing plate.

Preferably, the outer wall of lift post is equipped with the recess, and the carriage release lever is installed to the inner wall of recess, and the one end of carriage release lever extends into the inside of lift post, and the rack is installed to the one end of carriage release lever, and rotatory cylinder is installed in the front of lift post, and rotatory cylindrical one end extends into the inside of lift post, and gear one is installed to rotatory cylindrical outer wall, and the inner wall fixed connection of rotatory cylindrical outer wall and gear one, and carousel two is installed to the rotatory cylindrical other end, and handle two is installed in the front of carousel two.

Preferably, a connecting plate is installed at one end of the moving rod, a groove is formed in the outer wall of the connecting plate, a sliding block is installed on the inner wall of the groove, a moving plate is installed at one end of the sliding block, a mounting plate is installed on the outer wall of one side of the moving plate, a pressure detector is installed on the outer wall of the mounting plate, a connecting rod is installed on the outer wall of the other side of the moving plate, one end of the connecting rod penetrates through the interior of the moving plate, a squeezing plate is installed at the other end of the connecting rod, limiting plates are installed on the front side and the back side of the connecting plate, the mounting plate is installed on the inner wall of the moving rod, a driving motor is installed at one end of the mounting plate and electrically connected with the pressure detector, a driving rotating shaft is installed at the output end of the driving motor, a driving lead screw is installed at one end of the driving rotating shaft, one end of the driving lead screw extends into the interior of the gear box, a second gear is installed on the outer wall of the driving lead screw and is meshed with the second gear, the inside of gear two runs through and installs the dwang, and the outer wall of dwang and the inner wall fixed connection of gear two, and the outer wall of dwang is equipped with two sets of opposite direction's screw thread, and the inside of movable plate is run through to the one end of dwang.

Preferably, the spill slide is installed to the outer wall of support column, and the sample board is installed to the inner wall of spill slide, and the bolt is installed at the top of spill slide, and the bottom of bolt extends into the inside of spill slide.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with a driving motor and a pressure detector, when a sample clamping device clamps a sample device, a pressure value is set for the pressure detector, the driving motor drives a driving screw rod to rotate through a driving rotating shaft, the driving screw rod drives a gear II to rotate, the gear II drives a rotating rod to rotate, the rotating rod drives two groups of movable plates to move through two groups of threads with opposite directions arranged on the outer wall, the movable plates are close to each other along a groove through a slider, the movable plates drive extrusion plates to close to each other, when the extrusion plates contact the sample device, one end of a connecting rod collides with the pressure detector, the pressure detector detects pressure change, the movable plates continue to move, the pressure value of the pressure detector is increased, when a preset pressure value is reached, the driving motor stops working, the movable plates stop moving, and the force for clamping the sample device can be indirectly controlled through the pressure detector, the function of controlling the strength of the sample clamping device is realized;

2. the utility model is provided with a vertical moving plate, a concave slider, a first gear and a rack, when a sample loading device moves vertically, a first rotating handle drives the first rotating plate to rotate, the rotating plate drives a screw rod to rotate, the screw rod converts the self rotary motion into the linear motion of a nut, the screw rod drives the nut to do vertical motion, the nut drives the vertical moving plate to do vertical motion along a slideway, the vertical moving plate drives the device to do vertical motion, when a sample plate does transverse motion, a bolt is rotated anticlockwise, the bottom of the bolt moves upwards, the bolt relieves the fixation of the sample plate, the sample plate is pushed to do transverse motion along the concave slideway, a proper position is selected, the bolt is rotated anticlockwise, the sample plate is fixed again by the bolt, when the sample loading device moves up and down, a second rotating handle is rotated, a second rotating plate is driven by a second handle, and the second rotating plate drives a rotating cylinder to rotate, the rotating cylinder drives the gear I to rotate, the gear I converts the rotating motion of the gear I into the linear motion of the rack, the rack drives the moving rod to do lifting motion, and the sample device can be accurately placed at the center of the sample plate through the vertical motion and the lifting motion of the sample loading device and the transverse motion of the sample plate, so that the function of accurately placing the sample device is realized.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a perspective view of the clamping portion of the sampler of the present invention;

FIG. 3 is a plan view of a clamping portion of the sampler of the present invention;

fig. 4 is a schematic structural view of a part of the lifting column of the present invention;

fig. 5 is a schematic diagram of a partial structure of a sample plate according to the present invention.

In the figure: 1. a support plate; 101. a damping mount; 2. a screw rod; 201. a slideway; 202. an L-shaped mounting plate; 203. vertically moving the plate; 204. a nut; 205. a first rotating disc; 206. a first handle; 3. a rotator; 301. a support block; 302. a fixing plate; 303. placing the plate; 4. a lifting column; 401. a travel bar; 402. a rack; 403. rotating the cylinder; 404. a first gear; 405. a second rotating disc; 406. a second handle; 5. a drive motor; 501. a connecting plate; 502. a slider; 503. moving the plate; 504. a pressure detector; 505. a connecting rod; 506. a pressing plate; 507. driving the rotating shaft; 508. driving the screw rod; 509. a second gear; 510. rotating the rod; 511. a limiting plate; 6. a sample plate; 601. a support pillar; 602. a concave slideway; 603. a bolt; 7. and a controller.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the description refers must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a sample loading device of a transmission electron microscope comprises a supporting plate 1, a rotator 3, a lifting column 4, a driving motor 5 and a sample plate 6, wherein a slide 201 is installed at the top of the supporting plate 1, the supporting plate 1 supports the slide 201 at the top to realize a supporting function, the slide 201 has a limiting effect on a vertical moving plate 203, a supporting column 601 is installed at the top of the supporting plate 1, the supporting column 601 is located on one side of the slide 201, the supporting plate 1 supports the supporting column 601 at the top to realize the supporting function, the supporting column 601 provides an installation position for a concave slide 602, a controller 7 is installed at the top of the supporting plate 1, the controller 7 is located on the front side of the supporting column 601, the supporting plate 1 supports the controller 7 at the top to realize the supporting function, the working state of the driving motor 5 can be controlled through the controller 7, an L-shaped installation plate 202 is installed on the front side of the supporting plate 1, the support plate 1 provides a connection location for the L-shaped mounting plate 202, and the L-shaped mounting plate 202 provides a mounting location for the lead screw 2.

Further, vibration damping mount 101 is installed to the bottom of backup pad 1, and backup pad 1 provides the mounted position for vibration damping mount 101, and vibration damping mount 101 plays absorbing effect to the device, avoids the device to rock by a wide margin because of receiving the influence of external force to produce in the actual work.

Further, a vertical moving plate 203 is installed at the top of the slide 201, a nut 204 is installed at the bottom of the vertical moving plate 203, a screw rod 2 is installed on the front face of the L-shaped installing plate 202, one end of the screw rod 2 penetrates through the inside of the nut 204, a first rotating disc 205 is installed at the other end of the screw rod 2, a first handle 206 is installed on the front face of the first rotating disc 205, when the sample loading device performs vertical movement, the first handle 206 is rotated, the first handle 206 drives the first rotating disc 205 to rotate, the first rotating disc 205 drives the screw rod 2 to rotate, the screw rod 2 converts self rotary movement into linear movement of the nut 204, the screw rod 2 drives the nut 204 to perform vertical movement, the nut 204 drives the vertical moving plate 203 to perform vertical movement along the slide 201, and the vertical moving plate 203 is driven by the device to perform vertical movement.

Further, a rotator 3 is installed on the top of the vertical moving plate 203, a lifting column 4 is installed on the top of the rotator 3, a placing plate 303 is installed on the front surface of the lifting column 4, a supporting block 301 is installed on the top of the vertical moving plate 203, a fixing plate 302 is installed on the outer wall of the supporting block 301 through a rotating shaft, the bottom of the fixing plate 302 is connected with the top of the placing plate 303, the lifting column 4 can be rotated through the rotator 3, a sample loading device can conveniently clamp the sample, after the sample loading device successfully clamps the sample, the lifting column 4 is rotated to enable one surface of the device, which clamps the sample, to be right opposite to the sample plate 6, the fixing plate 302 is rotated around the rotating shaft, one end of the fixing plate 302 is placed inside the placing plate 303, the fixing plate 302 fixes the lifting column 4 to prevent the lifting column 4 from rotating in the vertical movement, the vertical moving plate 203 supports the rotator 3 on the top, the supporting block 301 provides a mounting location for the fixing plate 302.

Further, a groove is formed in the outer wall of the lifting column 4, a moving rod 401 is installed on the inner wall of the groove, one end of the moving rod 401 extends into the lifting column 4, a rack 402 is installed at one end of the moving rod 401, a rotating cylinder 403 is installed on the front face of the lifting column 4, one end of the rotating cylinder 403 extends into the lifting column 4, a first gear 404 is installed on the outer wall of the rotating cylinder 403, the outer wall of the rotating cylinder 403 is fixedly connected with the inner wall of the first gear 404, a second rotating disc 405 is installed at the other end of the rotating cylinder 403, a second handle 406 is installed on the front face of the second rotating disc 405, when the sample loading device performs lifting motion, the second handle 406 rotates to drive the second rotating disc 405 to rotate, the second rotating disc 405 drives the rotating cylinder to rotate, the rotating cylinder 403 drives the first gear 404 to rotate, the first gear 404 converts the self rotating motion into linear motion of the rack 402, and the moving rod 401 is driven by the rack 402 to perform lifting motion, the grooves act as a stop for the travel bar 401.

Further, a connecting plate 501 is installed at one end of the moving rod 401, a groove is formed in the outer wall of the connecting plate 501, a slider 502 is installed on the inner wall of the groove, a moving plate 503 is installed at one end of the slider 502, an installation plate is installed on the outer wall of one side of the moving plate 503, a pressure detector 504 is installed on the outer wall of the installation plate, a connecting rod 505 is installed on the outer wall of the other side of the moving plate 503, one end of the connecting rod 505 penetrates through the interior of the moving plate 503, a pressing plate 506 is installed at the other end of the connecting rod 505, limiting plates 511 are installed on the front and back of the connecting plate 501, an installation plate is installed on the inner wall of the moving rod 401, a driving motor 5 is installed at one end of the installation plate, the driving motor 5 is electrically connected with the pressure detector 504, a driving rotating shaft 507 is installed at the output end of the driving motor 5, a driving screw 508 is installed at one end of the driving rotating shaft 507, and one end of the driving screw 508 extends into the interior of the gear box, the outer wall of the driving screw rod 508 is provided with a second gear 509, the driving screw rod 508 is meshed with the second gear 509, the inside of the second gear 509 is provided with a rotating rod 510 in a penetrating manner, the outer wall of the rotating rod 510 is fixedly connected with the inner wall of the second gear 509, the outer wall of the rotating rod 510 is provided with two sets of threads in opposite directions, one end of the rotating rod 510 penetrates through the inside of the moving plate 503, when the sample loading device clamps a sample, a pressure value is set for the pressure detector 504, the driving motor 5 drives the driving screw rod 508 to rotate through a driving rotating shaft 507, the driving screw rod 508 drives the second gear 509 to rotate, the second gear 509 drives the rotating rod 510 to rotate, the rotating rod 510 drives the two sets of moving plates 503 to move through the two sets of threads in opposite directions arranged on the outer wall, the moving plates 503 are close to each other along the grooves through the sliders 502, the moving plates 503 drive the extrusion plates 506 to close to each other, and when the extrusion plates 506 contact the sample, pressure detector 504 is collided to the one end of connecting rod 505, pressure detector 504 detects pressure change, movable plate 503 continues to move, pressure detector 504's pressure value increases, when reaching preset pressure value, driving motor 5 stop work, movable plate 503 stop motion, the dynamics of controlling means centre gripping sample ware that can be indirect through pressure detector 504, realize the function of control centre gripping sample ware dynamics, carriage release lever 401 provides the mounted position for connecting plate 501, the mounting panel provides the mounted position for pressure detector 504, limiting plate 511 plays limiting displacement to slider 502.

Further, a concave slideway 602 is installed on the outer wall of the supporting column 601, a sample plate 6 is installed on the inner wall of the concave slideway 602, a bolt 603 is installed on the top of the concave slideway 602, and the bottom of the bolt 603 extends into the inner part of the concave slideway 602, when the sample plate 6 makes a transverse movement, the bolt 603 is rotated anticlockwise, the bottom of the bolt 603 moves upwards, the bolt 603 releases the fixation on the sample plate 6, the sample plate 6 is pushed to make a transverse movement along the concave slideway 602, a proper position is selected, the bolt 603 is rotated anticlockwise, and the bolt 603 fixes the sample plate 6 again.

The working principle is that firstly, when the sample loading device clamps a sample device, a pressure value is set for the pressure detector 504, the driving motor 5 drives the driving screw rod 508 to rotate through the driving rotating shaft 507, the driving screw rod 508 drives the gear two 509 to rotate, the gear two 509 drives the rotating rod 510 to rotate, the rotating rod 510 drives the two groups of moving plates 503 to move through two groups of threads with opposite directions arranged on the outer wall, the moving plates 503 approach each other along the grooves through the sliding blocks 502, the moving plates 503 drive the extrusion plates 506 to approach each other, when the extrusion plates 506 contact the sample device, one end of the connecting rod 505 collides with the pressure detector 504, the pressure detector 504 detects the pressure change, the moving plates 503 continue to move, the pressure value of the pressure detector 504 is increased, when the preset pressure value is reached, the driving motor 5 stops working, the moving plates 503 stop moving, and the force of the sample device clamped by the pressure detector 504 can be indirectly controlled, the function of controlling the strength of clamping a sample device is realized, then, when the sample loading device moves vertically, the first handle 206 is rotated, the first handle 206 drives the first rotating disc 205 to rotate, the first rotating disc 205 drives the screw rod 2 to rotate, the screw rod 2 converts the rotation motion of the screw rod 2 into the linear motion of the nut 204, the screw rod 2 drives the nut 204 to move vertically, the nut 204 drives the vertical moving plate 203 to move vertically along the slideway 201, the vertical moving plate 203 drives the device to move vertically, when the sample plate 6 moves horizontally, the bolt 603 is rotated anticlockwise, the bottom of the bolt 603 moves upwards, the bolt 603 removes the fixation of the sample plate 6, the sample plate 6 is pushed to move horizontally along the concave slideway 602, a proper position is selected, the bolt 603 is rotated anticlockwise, the bolt 603 fixes the sample plate 6 again, when the sample loading device moves up and down, the second handle 406 is rotated, the second handle 406 drives the second rotating disc 405 to rotate, the second rotary table 405 drives the rotary cylinder 403 to rotate, the rotary cylinder 403 drives the first gear 404 to rotate, the first gear 404 converts the self rotary motion into the linear motion of the rack 402, the rack 402 drives the moving rod 401 to do lifting motion, and the sample device can be accurately placed in the center of the sample plate 6 through the vertical motion, the lifting motion and the transverse motion of the sample plate 6 of the sample loading device, so that the function of accurately placing the sample device is realized.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a kind device of dress of transmission electron microscope, includes backup pad (1), circulator (3), lift post (4), driving motor (5) and sample board (6), its characterized in that: slide (201) are installed at the top of backup pad (1), support column (601) are installed at the top of backup pad (1), and support column (601) are located one side of slide (201), controller (7) are installed at the top of backup pad (1), and controller (7) are located the front of support column (601), L shape mounting panel (202) are installed in the front of backup pad (1).

2. A loading apparatus for a transmission electron microscope according to claim 1, wherein: and a damping base (101) is installed at the bottom of the supporting plate (1).

3. A loading apparatus for a transmission electron microscope according to claim 1, wherein: vertical movable plate (203) is installed at the top of slide (201), and nut (204) are installed to the bottom of vertical movable plate (203), and lead screw (2) are installed in the front of L shape mounting panel (202), and the inside of nut (204) is run through to the one end of lead screw (2), and carousel (205) are installed to the other end of lead screw (2), and handle (206) are installed in the front of carousel (205).

4. A loading apparatus for a transmission electron microscope according to claim 3, wherein: rotator (3) are installed at the top of vertical movable plate (203), and lifting column (4) are installed at the top of rotator (3), and place board (303) are installed in the front of lifting column (4), and supporting shoe (301) are installed at the top of vertical movable plate (203), and fixed plate (302) are installed through the rotation axis to the outer wall of supporting shoe (301), and the bottom of fixed plate (302) is connected with the top of placing board (303).

5. A loading apparatus for a transmission electron microscope according to claim 1, wherein: the outer wall of lift post (4) is equipped with the recess, carriage release lever (401) are installed to the inner wall of recess, and the one end of carriage release lever (401) extends into the inside of lift post (4), rack (402) are installed to the one end of carriage release lever (401), rotatory cylinder (403) are installed in the front of lift post (4), the one end of rotatory cylinder (403) extends into the inside of lift post (4), gear one (404) are installed to the outer wall of rotatory cylinder (403), and the outer wall of rotatory cylinder (403) and the inner wall fixed connection of gear one (404), carousel two (405) are installed to the other end of rotatory cylinder (403), handle two (406) are installed in the front of carousel two (405).

6. A loading apparatus for a transmission electron microscope according to claim 5 wherein: connecting plate (501) is installed to the one end of carriage release lever (401), the outer wall of connecting plate (501) is equipped with the recess, slider (502) is installed to the inner wall of recess, movable plate (503) is installed to the one end of slider (502), the mounting panel is installed to one side outer wall of movable plate (503), pressure detector (504) is installed to the outer wall of mounting panel, connecting rod (505) is installed to the opposite side outer wall of movable plate (503), and the one end of connecting rod (505) runs through the inside of movable plate (503), stripper plate (506) is installed to the other end of connecting rod (505), limiting plate (511) are all installed to the front and the back of connecting plate (501), the mounting panel is installed to the inner wall of carriage release lever (401), driving motor (5) is installed to the one end of mounting panel, driving motor (5) and pressure detector (504) electric connection, drive pivot (507) is installed to the output of driving motor (5), drive lead screw (508) are installed to the one end of drive pivot (507), and the one end of drive lead screw (508) extends into the inside of gear box, gear two (509) are installed to the outer wall of drive lead screw (508), and drive lead screw (508) and gear two (509) meshing, dwang (510) are installed to the inside run-through of gear two (509), and the outer wall of dwang (510) and the inner wall fixed connection of gear two (509), the outer wall of dwang (510) is equipped with two sets of opposite direction's screw thread, the inside of movable plate (503) is run through to the one end of dwang (510).

7. A loading apparatus for a transmission electron microscope according to claim 1, wherein: concave slide (602) are installed to the outer wall of support column (601), and sample board (6) are installed to the inner wall of concave slide (602), and bolt (603) are installed to the top of concave slide (602), and the bottom of bolt (603) extends into the inside of concave slide (602).

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