CN211292235U

CN211292235U - Material clamping device for metallographic analyzer

Info

Publication number: CN211292235U
Application number: CN201921938039.2U
Authority: CN
Inventors: 于仁刚
Original assignee: Jinan Jingquan Precision Forging Co ltd
Current assignee: Jinan Jingquan Precision Forging Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-18
Anticipated expiration: 2029-11-12

Abstract

The utility model belongs to the technical field of experimental equipment, in particular to a material clamping device for a metallographic analyzer, aiming at the problems that the working efficiency is low when the existing clamp is used for cutting and polishing a metallographic specimen in the prior art, and all using tools cannot be satisfied by using one clamp, the utility model provides a proposal which comprises a mounting frame, a lead screw motor is fixedly arranged on one side of the mounting frame, a first lifting plate is connected with the top thread of one side of the lead screw motor, a screw rod is penetrated through the middle part of the first lifting plate, a rotating handle is fixedly connected with the top of the screw rod, and a lead screw nut is sleeved on the screw thread on one side of the bottom of the first lifting plate, the utility model discloses a limit fit of lifting and rotating a first rotating shaft and a gear and a positioning nut by the lead screw motor, so that the clamp does not need manual clamping when cutting and polishing, and various angles can be adjusted to meet various use tools, so that the working efficiency is improved.

Description

Material clamping device for metallographic analyzer

Technical Field

The utility model relates to an experimental facilities technical field especially relates to a material clamping device for metallographic analyzer.

Background

The metallographic analysis is one of important means for experimental research of metal materials, the three-dimensional spatial morphology of an alloy structure is determined by measuring and calculating a metallographic microstructure of a two-dimensional metallographic sample ground surface or a film by adopting a quantitative metallography principle, so that the quantitative relation among the components, the structure and the performance of the alloy is established, an image processing system is applied to the metallographic analysis, the metallographic analysis method has the advantages of high precision, high speed and the like, the working efficiency can be greatly improved, and reported data mainly come from the research and development centers of statistical offices, customs administration, national institutes development and research centers, basic information of domestic and foreign related publications and magazines and research units of metallographic image analyzers.

The process that the sample must be cut and polished before metallographic analysis, the existing manual hand-held clamp is mostly used for clamping and fixing, in the cutting process, the hand of a human body is shaken due to the force of the cutting machine, so that the cutting surface is not flat, the work load is increased for the later polishing process, the angle is required to be adjusted in the polishing process, after the manual hand-held clamp works for a long time, the precision of the sample can be gradually reduced along with time, the work efficiency is influenced, a more effective analysis effect cannot be achieved, in the polishing process, the test piece is easy to be thrown out under the action of the friction force between polishing discs, certain damage can be caused to the personal safety, the surface condition of the test piece and surrounding test equipment, when the metallographic test piece is polished by hand, the metallographic test piece can swing under the action of larger friction force, and the flatness of the polishing surface of the metallographic test piece can be influenced at the moment, the quality of polishing is influenced, and present few metallographic analysis mechanical fixture also can effectively fix the cutting and polishing of style, but cutting machine and polisher theory of operation are different, and have different working methods separately yet, lead to a anchor clamps can not satisfy all processes and corresponding instrument, so we propose a material clamping device for metallographic analysis appearance for solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing clamp in the prior art has low working efficiency when cutting and polishing the metallographic specimen, and cannot satisfy the defects of all tools using one clamp, and the provided material clamping device for the metallographic analyzer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a material clamping device for a metallographic analyzer comprises a mounting frame, wherein a lead screw motor is fixedly mounted on one side of the mounting frame, a first lifting plate is in threaded connection with the top of one side of the lead screw motor, a screw rod penetrates through the middle of the first lifting plate, a rotating handle is fixedly connected to the top of the screw rod, a lead screw nut is in threaded sleeve on one side of the bottom of the first lifting plate, one side of the lead screw nut is symmetrically and rotatably connected with two pull rods, one end of each pull rod is rotatably connected with a slide block, the two slide blocks are slidably sleeved with the same second lifting plate, a bearing is fixedly connected to the middle of the top of the second lifting plate and rotatably connected with the bottom of the screw rod, one end of the second lifting plate is in threaded connection with the bottom of one side of the lead screw motor, and supporting tubes are fixedly connected to the bottoms of the two slide blocks, two all run through the bull stick on the stay tube, two the equal threaded connection in both ends of bull stick has set nut, and two bull sticks all rotate on the position between stay tube and set nut and be connected with the U template, two the equal fixedly connected with backup pad in bottom of U template, two the equal fixedly connected with pipe in one side that the backup pad is close to each other, two the inside of pipe rotates respectively and is connected with first pivot and second pivot, the equal fixedly connected with splint of one end of first pivot and second pivot.

Preferably, the one end of first pivot runs through the backup pad and is equipped with spacing hole, spacing hole runs through there is L type iron set, the gear has closely clamped to the one end that L type iron set extends to the first pivot outside, gear and first pivot through connection, and one side of gear and one side fixed connection of backup pad, when the recess through the one end of L type iron set and gear closely clamped, can realize the spacing effect of first pivot.

Preferably, the L-shaped iron rod extends to one end inside the first rotating shaft and is rotatably connected with the fixing plate, the fixing plate is fixedly connected with the inner wall of the first rotating shaft, the L-shaped iron rod and the fixing plate are rotatably connected with one end of the push rod, when the push rod is pushed to move towards one side of the gear, the L-shaped iron rod is driven to do opposite movement in the limiting hole, and one end of the L-shaped iron rod is enabled to leave the groove of the gear, so that the L-shaped iron rod can be rotatably adjusted through the first rotating shaft.

Preferably, the push rod is close to the one end fixedly connected with compression spring of gear, and one side fixed connection of one end and fixed plate of compression spring, the one end that compression spring was kept away from to the push rod extends to the outside and the fixedly connected with of first pivot and promotes the button, and compression spring is in a compression state, makes L type iron set and gear can be inseparabler clamp and be connected, when pushing the button and driving the push rod and remove when pressing, makes the recess that the one end of L type iron set left the gear, when loosening the promotion button, compression spring enables the one end of L type iron set and gets back to automatically in the recess of gear and carries on spacingly.

Preferably, two all be equipped with the rotation groove on the inner wall of pipe, two it is connected with the runner, two all to rotate in the rotation groove the first pivot of runner difference fixedly connected with and second pivot, and first pivot and runner through connection, when two splint press from both sides tightly, first pivot passes through the runner when the inside of pipe is rotated, can drive the rotation of second pivot simultaneously, causes the angle that can change splint.

The utility model discloses in, a material clamping device for metallographic analyzer at first drives the screw rod through rotating rotatory handle and rotates, makes screw nut be close to the bottom of first lifter plate, and two pull rods of rethread swivelling joint in screw nut one side drive two sliders respectively and are close to each other for two splint press from both sides tightly the sample.

When the sample needs to be subjected to height adjustment, the first lifting plate and the second lifting plate are lifted by the screw motor.

When the radian of the sample is required to be adjusted, the two U-shaped plates are rotated, and after the position is adjusted, the two U-shaped plates are fixed through the positioning nuts at the two ends of the rotating rod.

When the angle of the sample needs to be adjusted, the push button is pressed to drive the push rod to move, so that the L-shaped iron rod does opposite motion in the limiting hole and one end of the L-shaped iron rod leaves the groove of the gear, and at the moment, the first rotating shaft can be rotated to drive the clamping plate fixedly connected with the first rotating shaft to rotate, so that the height and the angle of the sample can be adjusted.

The utility model discloses a lead screw motor goes up and down, rotates first pivot and gear and set nut's spacing cooperation, makes anchor clamps when cutting and need not artifical centre gripping when polishing to can adjust various angles in order to satisfy various use tools, thereby improve work efficiency.

Drawings

Fig. 1 is a schematic view of an overall structure of a material holding device for a metallographic analyzer according to the present invention;

fig. 2 is a schematic structural view of a part a of a material holding device for a metallographic analyzer according to the present invention;

fig. 3 is a schematic structural view of a part B of a material holding device for a metallographic analyzer according to the present invention;

fig. 4 is a schematic structural view of a part C of a material holding device for a metallographic analyzer according to the present invention;

fig. 5 is the utility model provides a metallographic analyzer is with material clamping device's pipe external connection structure three-dimensional picture.

In the figure: the automatic screw rod assembling machine comprises a mounting frame, a screw rod motor 2, a first lifting plate 3, a screw rod 4, a rotating handle 5, a bearing 6, a screw nut 7, a pull rod 8, a sliding block 9, a second lifting plate 10, a supporting pipe 11, a rotating rod 12, a U-shaped plate 13, a positioning nut 14, a supporting plate 15, a gear 16, a first rotating shaft 17, a limiting hole 18, a 19L-shaped iron rod, a fixing plate 20, a push rod 21, a compression spring 22, a push button 23, a circular pipe 24, a rotating groove 25, a rotating wheel 26, a second rotating shaft 27 and a clamping plate 28.

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.

Referring to fig. 1-5, a material clamping device for a metallographic analyzer comprises a mounting frame 1, a screw motor 2 is fixedly mounted on one side of the mounting frame 1, a first lifting plate 3 is in threaded connection with the top of one side of the screw motor 2, a screw rod 4 penetrates through the middle part of the first lifting plate 3, a rotating handle 5 is fixedly connected with the top of the screw rod 4, a screw nut 7 is in threaded sleeve on one side of the bottom of the first lifting plate 3 of the screw rod 4, two pull rods 8 are symmetrically and rotatably connected with one side of the screw nut 7, one ends of the two pull rods 8 are both rotatably connected with a slide block 9, the two slide blocks 9 are slidably sleeved with the same second lifting plate 10, a bearing 6 is fixedly connected with the middle part of the top of the second lifting plate 10, the bearing 6 is rotatably connected with the bottom of the screw rod 4, and one end of the second lifting plate 10 is in threaded connection with the, the equal fixedly connected with stay tube 11 in bottom of two sliders 9, it has bull stick 12 all to run through on two stay tubes 11, the equal threaded connection in both ends of two bull sticks 12 has set nut 14, and two bull sticks 12 all rotate on the position between stay tube 11 and set nut 14 and be connected with U template 13, the equal fixedly connected with backup pad 15 in bottom of two U templates 13, the equal fixedly connected with pipe 24 in one side that two backup pads 15 are close to each other, the inside of two pipe 24 rotates respectively and is connected with first pivot 17 and second pivot 27, the equal fixedly connected with splint 28 of one end of first pivot 17 and second pivot 27.

Wherein, firstly, the screw rod 4 is driven to rotate by rotating the rotating handle 5, the screw nut 7 is enabled to approach to the bottom of the first lifting plate 3, then the two pull rods 8 which are rotatably connected with one side of the screw nut 7 respectively drive the two slide blocks 9 to approach to each other, so that the two clamp plates 28 clamp the sample, when the sample needs to be adjusted in height, the screw motor 2 is utilized to lift the first lifting plate 3 and the second lifting plate 10, when the sample needs to be adjusted in radian, the two U-shaped plates 13 are rotated, after the position is adjusted, the two U-shaped plates are fixed by rotating the positioning nuts 14 at the two ends of the rotating rod 12, when the sample needs to be adjusted in angle, the push button 23 is pressed to drive the push rod 21 to move, so that one end of the L-shaped iron rod 19 moves oppositely in the limiting hole 18 and leaves the groove of the gear 16, at this time, the clamp plates 28 which are fixedly connected with the L-shaped iron rod can be driven to, thereby realize the regulation to sample height and angle, the utility model discloses a lead screw motor 2 goes up and down, rotates first pivot 17 and gear 16 and positioning nut 14's spacing cooperation, makes anchor clamps when cutting and polishing need not artifical centre gripping to can adjust various angles in order to satisfy various use tools, thereby improve work efficiency.

The utility model discloses in, backup pad 15 is run through and is equipped with spacing hole 18 to the one end of first pivot 17, and spacing hole 18 runs through has L type iron set 19, and L type iron set 19 extends to the one end in the first pivot 17 outside and has closely clamped gear 16, gear 16 and first pivot 17 through connection, and one side of gear 16 and one side fixed connection of backup pad 15, when the one end through L type iron set 19 and gear 16's recess closely clamped, can realize the spacing effect to first pivot 17.

The utility model discloses in, L type iron set 19 extends to the inside one end rotation of first pivot 17 and is connected with fixed plate 20, fixed plate 20 and first pivot 17's inner wall fixed connection, and L type iron set 19 rotates the one end fixedly connected with push rod 21 of being connected with fixed plate 20, when promoting push rod 21 and removing to gear 16's party, drive L type iron set 19 and make its one end leave gear 16's recess when being opposite motion in spacing hole 18, can rotate the regulation through first pivot 17 at this moment.

The utility model discloses in, the one end fixedly connected with compression spring 22 that push rod 21 is close to the gear, and one side fixed connection of one end and fixed plate 20 of compression spring 22, compression spring 22's one end is extended to the outside of first pivot 17 and fixedly connected with promotes button 23 is kept away from to push rod 21, compression spring 22 is in a compression state, make L type iron set 19 and gear 16 can be inseparabler clamp and be connected, when pushing button 23 and driving push rod 21 and remove when pressing, make L type iron set 19's one end leave gear 16's recess, when loosening promotion button 23, compression spring 22 enables L type iron set 19's one end and carries on spacingly in getting back to gear 16's recess automatically.

The utility model discloses in, all be equipped with on the inner wall of two pipes 24 and rotate groove 25, two rotate all to rotate in the groove 25 and be connected with runner 26, two runner 26 are the first pivot 17 of fixedly connected with and second pivot 27 respectively, and first pivot 17 and runner 26 through connection, when two splint 28 press from both sides tightly, first pivot 17 passes through runner 26 when the inside of pipe 24 rotates, can drive second pivot 27 simultaneously and rotate, cause the angle that can change splint 28.

In the utility model, firstly, the screw rod 4 is driven to rotate by rotating the rotating handle 5, the screw nut 7 is enabled to approach the bottom of the first lifting plate 3, then the two pull rods 8 which are connected with one side of the screw nut 7 respectively drive the two slide blocks 9 to approach each other, so that the two clamp plates 28 clamp the sample, when the sample needs to be highly adjusted, the screw motor 2 is utilized to lift the first lifting plate 3 and the second lifting plate 10, when the sample needs to be radian-adjusted, the two U-shaped plates 13 are rotated, after the position is adjusted, the sample is fixed by rotating the positioning nuts 14 at the two ends of the rotating rod 12, when the sample needs to be angularly adjusted, the push button 23 is pressed to drive the push rod 21 to move, so that one end of the L-shaped iron rod 19 is enabled to leave the groove of the gear 16 while doing opposite movement in the limiting hole 18, at this time, the clamp plates 28 which are fixedly connected with the L-shaped iron rod can be driven to rotate by rotating the first, since the two clamping plates 28 are clamped to each other, the second rotating shaft 27 is simultaneously rotated inside the circular tube 24 connected thereto by the frictional force between the clamping plates, and the two clamping plates 28 are simultaneously rotated, thereby achieving the adjustment of the height and angle of the sample.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The material clamping device for the metallographic analyzer comprises a mounting rack (1) and is characterized in that a lead screw motor (2) is fixedly mounted on one side of the mounting rack (1), a first lifting plate (3) is in threaded connection with the top of one side of the lead screw motor (2), a screw rod (4) penetrates through the middle part of the first lifting plate (3), a rotating handle (5) is fixedly connected to the top of the screw rod (4), a lead screw nut (7) is in threaded sleeve connection with one side of the bottom of the first lifting plate (3) of the screw rod (4), two pull rods (8) are symmetrically and rotatably connected to one side of the lead screw nut (7), a sliding block (9) is rotatably connected to one end of each of the two pull rods (8), a same second lifting plate (10) is slidably sleeved with the sliding block (9), and a bearing (6) is fixedly connected to the middle position of the top of the second lifting plate (10), the bearing (6) is rotatably connected with the bottom of the screw rod (4), one end of the second lifting plate (10) is in threaded connection with the bottom of one side of the screw rod motor (2), the bottoms of the two sliding blocks (9) are both fixedly connected with supporting pipes (11), rotating rods (12) penetrate through the two supporting pipes (11), two ends of the two rotating rods (12) are both in threaded connection with positioning nuts (14), and the two rotating rods (12) are rotatably connected with U-shaped plates (13) at the positions between the supporting tube (11) and the positioning nuts (14), the bottoms of the two U-shaped plates (13) are fixedly connected with supporting plates (15), one sides of the two supporting plates (15) close to each other are fixedly connected with round tubes (24), the interiors of the two round tubes (24) are respectively and rotatably connected with a first rotating shaft (17) and a second rotating shaft (27), one end of the first rotating shaft (17) and one end of the second rotating shaft (27) are fixedly connected with clamping plates (28).

2. The material clamping device for the metallographic analyzer according to claim 1, wherein one end of the first rotating shaft (17) penetrates through the support plate (15) and is provided with a limiting hole (18), an L-shaped iron rod (19) penetrates through the limiting hole (18), a gear (16) is tightly clamped at one end of the L-shaped iron rod (19) extending to the outer side of the first rotating shaft (17), the gear (16) is in through connection with the first rotating shaft (17), and one side of the gear (16) is fixedly connected with one side of the support plate (15).

3. The material holding device for the metallographic analyzer according to claim 2, wherein a fixing plate (20) is rotatably connected to an end of the L-shaped iron rod (19) extending into the first rotating shaft (17), the fixing plate (20) is fixedly connected to an inner wall of the first rotating shaft (17), and a push rod (21) is fixedly connected to an end of the L-shaped iron rod (19) rotatably connected to the fixing plate (20).

4. A material holding device for a metallographic analyzer according to claim 3, wherein a compression spring (22) is fixedly connected to one end of the push rod (21) close to the gear, and one end of the compression spring (22) is fixedly connected to one side of the fixing plate (20), and one end of the push rod (21) far from the compression spring (22) extends to the outside of the first rotating shaft (17) and is fixedly connected to a push button (23).

5. The material clamping device for the metallographic analyzer according to claim 1, wherein each of the two circular tubes (24) has a rotating groove (25) on an inner wall thereof, each of the two rotating grooves (25) is rotatably connected with a rotating wheel (26), each of the two rotating wheels (26) is fixedly connected with a first rotating shaft (17) and a second rotating shaft (27), and the first rotating shaft (17) and the rotating wheel (26) are connected in a penetrating manner.