CN211014034U

CN211014034U - Sample horizontal fixing table for metallographic microscope

Info

Publication number: CN211014034U
Application number: CN201921407063.3U
Authority: CN
Inventors: 刘菡露
Original assignee: Nanjing University of Information Science and Technology
Current assignee: Nanjing University of Information Science and Technology
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-07-14
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a sample horizontal fixing platform for a metallographic microscope, which comprises a circular fixing platform seat, wherein the top surface of the fixing platform seat is formed with an annular platform surface and a concave cavity positioned in the annular platform surface; the internal sponge bench pad that is used for supporting the sample that embeds in recessed cavity, install height-adjustable's adjustable support pole on the annular table-board perpendicularly, the top of adjustable support pole is installed the level with rotating and is detected the piece, the below that lies in the level on the adjustable support pole and detects the piece is equipped with the sample fixation clamp that is used for the fixed sample of centre gripping, the sample fixation clamp includes two tail ends and adjustable support pole rotation suit complex scalable arm lock, the front end of two scalable arm locks is connected with and utilizes elasticity pulling two scalable arm locks to rotate in opposite directions and realizes the tight elastic connection silk of sample clamp. The utility model discloses simple structure, preparation are simple and easy, maintenance dismantlement convenience, low in cost have the laboratory and the industrialization application effect of high-efficient ideal.

Description

Sample horizontal fixing table for metallographic microscope

Technical Field

The utility model relates to a sample fixed station, especially a horizontal fixed station of sample for metallographic microscope.

Background

The metallographic microscope is the most commonly used instrument in routine inspection and research work in the metallurgical industry, is mainly used for inspecting and analyzing the phase and tissue composition, crystal grains, non-metallic inclusions, the number, the morphology, the size, the distribution, the orientation, the spatial arrangement state and the like of metal materials, and plays an indispensable important role in experimental research work.

When a metallographic microscope is used for observation, in order to obtain a clear and complete imaging picture embedded with a metallographic sample, the sample position is ensured to be fixed as much as possible, the surface to be observed is ensured to be horizontal to the microscope lens cone, no diffuse reflection is ensured, and light reflected from the surface of the sample is vertically emitted into the objective lens. In the process of inlaying a metallographic sample, when the bottom of an inlaying sample of a traditional sample horizontal fixing table has certain irregular convex-concave, the top of the inlaying sample is easy to cause that the surface to be observed cannot be horizontal to a lens cone, so that the metallographic imaging is not clear and fuzzy, and the metallographic analysis has difficulty.

Disclosure of Invention

The utility model aims to solve the technical problem to above-mentioned prior art current situation, and provide simple structure, reasonable in design, can make the sample treat observation face and lens cone horizontally a sample horizontal fixed station for metallographic microscope under the circumstances of sample bottom underbalance.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a horizontal sample fixing table for a metallographic microscope comprises a circular fixing table seat, wherein an annular table surface and a concave cavity in the annular table surface are formed on the top surface of the fixing table seat; the internal sponge bench pad that is used for supporting the sample that embeds in recessed cavity, install height-adjustable's adjustable support pole on the annular table-board perpendicularly, rotatable level detection piece is installed on adjustable support pole's top, the below that lies in the level detection piece on the adjustable support pole is equipped with the sample fixation clamp that is used for the fixed sample of centre gripping, the sample fixation clamp includes that two tail ends rotate the scalable arm lock of suit complex with adjustable support pole, the front end of two scalable arm locks is connected with utilizes elasticity pulling two scalable arm locks to rotate in opposite directions and realizes the tight elastic connection silk of sample clamp.

In order to optimize the technical scheme, the specific measures adopted further comprise:

the adjustable support rod comprises a fixed support rod and a sliding support rod, wherein a sliding rod cavity is axially processed in the fixed support rod, and the sliding support rod is in sliding fit with the sliding rod cavity; and a locking nut is arranged on the fixed supporting rod, and a locking screw rod which is connected with the sliding supporting rod through a screw top to lock the fixed sliding supporting rod is spirally arranged in the locking nut.

A socket hole for installing the fixed support rod is processed on the annular table top, a socket column which is spliced and assembled with the socket hole is processed on the bottom surface of the fixed support rod, and a limit table top which is butted with the annular table top to realize positioning matching is formed on the bottom surface of the fixed support rod; the upper end of the sliding support rod is sequentially formed with a first shaft rod which is matched with the horizontal detection piece in a rotating sleeved mode and a second shaft rod which is matched with the telescopic clamping arm in a rotating sleeved mode, the diameter of the sliding support rod is larger than that of the second shaft rod, and the diameter of the second shaft rod is larger than that of the first shaft rod.

The telescopic clamping arm consists of a fixed clamping arm with a telescopic cavity machined in the axial direction and a sliding clamping arm matched with the telescopic cavity in a sliding sleeved mode; the fixed clamping arm is provided with a clamping nut, and a clamping screw rod for locking the fixed sliding clamping arm through the spiral jacking sliding clamping arm is spirally arranged in the clamping nut.

The tail end of the fixed clamping arm is formed with a shaft hole which is matched with the second shaft rod in a rotating sleeved mode, the front end of the sliding clamping arm is provided with a rope tying hole which is convenient for tying an elastic connecting wire, and the elastic connecting wire is a high-elasticity rubber band which is tied and connected with the rope tying hole.

The tail end of the horizontal detection sheet is provided with a sliding hole which is rotatably sleeved with the first shaft rod.

Compared with the prior art, the utility model discloses be provided with the high elasticity sponge bench pad that is used for supporting the sample in the recessed cavity of fixed pedestal, when the bottom surface of sample has the convex-concave at ordinary times, the surface energy of the sponge bench pad of high elasticity produces sunkenly according to the appearance of sample bottom under the self-gravity of sample to the surface of waiting to observe of messenger's sample is on a parallel with objective, ensures that the light source sent beats on the sample surface, at the vertical reflection object glass, thereby obtains clear metallographic sample surface or cross-section formation of image. The utility model discloses an adjustable support pole can be through the total height of flexible adjustable support pole of adjusting, and scalable arm lock can be through the total length of flexible adjustable arm lock, consequently can fix the sample of different length width height sizes, thereby widened the utility model discloses an application scope.

The utility model discloses simple structure, preparation are simple and easy, maintenance dismantlement convenience, low in cost have the laboratory and the industrialization application effect of high-efficient ideal.

Drawings

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

FIG. 2 is a top view block diagram of FIG. 1;

fig. 3 is a schematic perspective view of the fixing pedestal of the present invention;

FIG. 4 is a cross-sectional structural view of the adjustable support rod of the present invention;

figure 5 is the cross-sectional structure view of the retractable clip arm of the present invention.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Wherein the reference numerals are: the device comprises a fixed pedestal 1, an annular table board 11, a socket hole 11a, a concave cavity 12, a sponge table pad 2, an adjustable support rod 3, a fixed support rod 31, a slide rod cavity 31a, a socket column 311, a limit table board 312, a slide support rod 32, a first shaft rod 321, a second shaft rod 322, a locking nut 33, a locking screw 34, a level detection sheet 4, a telescopic clamping arm 5, a fixed clamping arm 51, a telescopic cavity 51a, a shaft hole 51b, a slide clamping arm 52, a rope tying hole 52a, a clamping nut 53, a clamping screw 54 and an elastic connecting wire 6.

Fig. 1 to fig. 5 are the utility model discloses a structural schematic diagram, as shown in the figure, the utility model discloses a horizontal fixed station of sample for metallographic microscope, this horizontal fixed station of sample can be in the experiment that utilizes metallographic microscope to observe inlaying metallographic sample surface macroscopic view appearance, make the bottom owing to have the top surface of observing of inlaying of certain convex-concave and be on a parallel with the lens cone to ensure that the light source sent is beaten on the sample surface, the perpendicular reflection returns objective again, in order to obtain clear metallographic sample surface or cross-section formation of image. The utility model discloses a horizontal fixed station of sample includes circular shape stationary pedestal 1, and stationary pedestal 1's top surface shaping has annular mesa 11 and is located the recessed cavity 12 of this annular mesa 11. An elastic sponge table pad 2 is arranged in the concave cavity 12, and the sponge table pad 2 is completely matched with the concave cavity 12. Sponge bench pad 2 is used for supporting the sample, and after metallographic sample placed sponge bench pad 2, sponge bench pad 2's holding surface can produce the cave in according to sample bottom appearance under the gravity of sample to make the sample treat that the observation surface is on a parallel with objective, in order to guarantee to obtain clear metallographic sample surface or cross-section formation of image.

Install the adjustable support rod 3 that highly can adjust through flexible on the annular mesa 11 perpendicularly, rotatable level detection piece 4 is installed on the top of adjustable support rod 3, and level detection piece 4 treats the non-reflection light region of observation face through the contact sample to guarantee the sample and observe the thing level. The adjustable support rod 3 is also provided with a sample fixing clamp below the horizontal detection piece 4, and the sample fixing clamp is used for clamping and fixing a sample, so that the sample is kept stable, and the observation is convenient. The sample fixing clamp comprises two telescopic clamping arms 5, the tail ends of the two telescopic clamping arms are in rotating sleeved fit with the adjustable supporting rod 3, and the front ends of the two telescopic clamping arms 5 are connected with elastic connecting wires 6. As shown in fig. 2, the two retractable clipping arms 5 can be opened at different angles according to the size of the sample, and the two retractable clipping arms 5 cooperate with the elastic connecting wire 6 to form a triangular range for limiting the sample. The elastic connecting wire 6 is a high-elasticity rubber band capable of being stretched, and when a sample is placed in the triangular range, the elastic connecting wire 6 utilizes elasticity to pull the two telescopic clamping arms 5 to rotate oppositely, so that the sample is clamped.

In the embodiment shown in fig. 4, the adjustable support rod 3 of the present invention includes a fixed support rod 31 with a slide rod cavity 31a axially formed thereon and a sliding support rod 32 slidably engaged with the slide rod cavity 31 a. The sliding support rod 32 can slide up and down under the guidance of the slide rod cavity 31a, so as to realize the extension and contraction of the sliding support rod 32 in the slide rod cavity 31a, thereby changing the total height of the adjustable support rod 3. The adjustable supporting rod 3 can adjust the height of the adjustable supporting rod according to the height of a sample through extension, so that the telescopic clamping arm 5 arranged on the adjustable supporting rod can be adjusted to the height of the best clamping fixed sample. In order to prevent the sliding support rod 32 from automatically falling back after extending out, a locking nut 33 is arranged on the fixed support rod 31, and a locking screw 34 is spirally arranged in the locking nut 33. The locking screw 34 is screwed against the sliding support bar 32 to lock the fixed sliding support bar 32 and prevent the sliding support bar 32 from contracting.

As shown in fig. 3, a socket hole 11a for installing the fixed support rod 31 is formed on the annular table-board 11 of the fixed table-base 1, a socket column 311 inserted into the socket hole 11a is formed on the bottom surface of the fixed support rod 31, and a limit table-board 312 abutting against the annular table-board 11 for positioning and matching is formed on the bottom surface of the fixed support rod 31. The utility model discloses a pedestal 1, adjustable support pole 3, level detection piece 4 and scalable arm lock 5 are plastic products, and its preparation is simple and easy, low in cost. The utility model discloses an upper end shaping in proper order of sliding support pole 32 has and rotates suit complex first axostylus axostyle 321 and rotates suit complex second axostylus axostyle 322 with scalable arm lock 5 with level detection piece 4, and sliding support pole 32's diameter is greater than the diameter of second axostylus axostyle 322, and the diameter of second axostylus axostyle 322 is greater than the diameter of first axostylus axostyle 321. A second limit step for limiting the installation position of the retractable clamping arm 5 is formed between the connection of the sliding support rod 32 and the second shaft rod 322, and a first limit step for limiting the installation position of the horizontal detection sheet 4 is formed between the connection of the second shaft rod 322 and the first shaft rod 321.

In the embodiment shown in fig. 5, the retractable clip arm 5 is composed of a fixed clip arm 51 axially formed with a retractable cavity 51a and a sliding clip arm 52 slidably fitted with the retractable cavity 51 a. The sliding clip arm 52 can be extended and retracted back and forth along the extension and retraction cavity 51a of the fixed clip arm 51, thereby enabling the total length of the retractable clip arm 5 to be changed. After the total length of the retractable clip arm 5 is adjusted, in order to prevent the sliding clip arm 52 from retracting, the fixed clip arm 51 is provided with a clamping nut 53, and a clamping screw 54 for locking the fixed sliding clip arm 52 by spirally abutting the sliding clip arm 52 is spirally installed in the clamping nut 53. The clamping screw 54 is used in the same principle and method as the locking screw 34.

In the embodiment, the tail end of the fixed clip arm 51 is formed with a shaft hole 51b rotatably fitted with the second shaft 322, the front end of the sliding clip arm 52 is formed with a rope tying hole 52a for conveniently tying the elastic connecting wire 6, and the elastic connecting wire 6 is tied and connected with the rope tying hole 52 a. The tail end of the horizontal detection piece 4 is provided with a sliding hole which is rotatably sleeved with the first shaft rod 321. The telescopic clamping arm 5 and the elastic connecting wire 6 can rotate by taking the axis of the sliding support rod 32 as a rotation axis.

The utility model discloses when using, put the sample on sponge bench pad 2 earlier, then according to the size adjustment adjustable support pole 3 of sample height and two scalable arm lock 5's length to utilize locking screw 34 adjustable support pole 3's high fixed, utilize clamping screw 54 to fix two scalable arm lock 5's length. And then the two telescopic clamping arms 5 are opened, the elastic connecting wire 6 is stretched to limit the sample in a triangular area formed by the two telescopic clamping arms 5 and the elastic connecting wire 6, then the two telescopic clamping arms 5 are loosened, and the elastic connecting wire 6 utilizes the elasticity to pull the two telescopic clamping arms 5, so that the sample is clamped and fixed. Finally, the level detection piece 4 is contacted with the unreflected light area on the surface of the sample to detect whether the whole sample is level, and if not, the operation is adjusted to be level again.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.

Claims

1. The utility model provides a horizontal fixed station of sample for metallographic microscope, includes circular shape stationary table seat (1), characterized by: the top surface of the fixed pedestal (1) is formed with an annular table top (11) and a concave cavity (12) positioned in the annular table top (11); concave cavity (12) in built-in sponge bench pad (2) that are used for supporting the sample that have, annular mesa (11) on install height-adjustable's adjustable support pole (3) perpendicularly, the top of adjustable support pole (3) install rotatable level and detect piece (4), adjustable support pole (3) on lie in the below of level and detect piece (4) and be equipped with the sample fixation clamp that is used for the fixed sample of centre gripping, the sample fixation clamp include that two tail ends rotate suit complex scalable arm lock (5) with adjustable support pole (3), two the front end of scalable arm lock (5) be connected with and utilize elasticity pulling two scalable arm lock (5) to rotate in opposite directions and realize that the sample presss from both sides tight elastic connection silk (6).

2. The horizontal sample fixing table for a metallographic microscope according to claim 1, wherein: the adjustable support rod (3) comprises a fixed support rod (31) which is axially provided with a slide rod cavity (31a) and a sliding support rod (32) which is in sliding sleeve fit with the slide rod cavity (31 a); the fixed support rod (31) is provided with a locking nut (33), and a locking screw (34) which is connected with the sliding support rod (32) through a screw top to lock the fixed sliding support rod (32) is spirally arranged in the locking nut (33).

3. A sample horizontal holding stage for a metallographic microscope according to claim 2, wherein: a socket hole (11a) for installing a fixed support rod (31) is processed on the annular table top (11), a socket column (311) which is inserted and assembled with the socket hole (11a) is processed on the bottom surface of the fixed support rod (31), and a limit table top (312) which is abutted with the annular table top (11) to realize positioning and matching is formed on the bottom surface of the fixed support rod (31); the upper end of the sliding support rod (32) is sequentially formed with a first shaft rod (321) which is in rotating sleeved fit with the horizontal detection piece (4) and a second shaft rod (322) which is in rotating sleeved fit with the telescopic clamping arm (5), the diameter of the sliding support rod (32) is larger than that of the second shaft rod (322), and the diameter of the second shaft rod (322) is larger than that of the first shaft rod (321).

4. A sample horizontal holding stage for a metallographic microscope according to claim 3, wherein: the telescopic clamping arm (5) consists of a fixed clamping arm (51) which is axially provided with a telescopic cavity (51a) and a sliding clamping arm (52) which is in sliding sleeved fit with the telescopic cavity (51 a); the fixed clamping arm (51) is provided with a clamping nut (53), and a clamping screw (54) which locks and fixes the sliding clamping arm (52) through spirally butting the sliding clamping arm (52) is spirally arranged in the clamping nut (53).

5. The horizontal sample fixing table for a metallographic microscope according to claim 4, wherein: the tail end of the fixed clamping arm (51) is formed with a shaft hole (51b) which is matched with the second shaft lever (322) in a rotating sleeved mode, the front end of the sliding clamping arm (52) is provided with a rope tying hole (52a) which is convenient for tying an elastic connecting wire (6), and the elastic connecting wire (6) is a high-elasticity rubber band which is tied and connected with the rope tying hole (52 a).

6. The horizontal sample fixing table for a metallographic microscope according to claim 5, wherein: the tail end of the horizontal detection sheet (4) is provided with a sliding hole which is rotatably sleeved with the first shaft lever (321).