CN210452306U

CN210452306U - Fixing device for material metallographic experiment

Info

Publication number: CN210452306U
Application number: CN201920617935.2U
Authority: CN
Inventors: 杨云; 赵东旸; 杨涛; 张乐; 刘静
Original assignee: Huanghe Science and Technology College
Current assignee: Huanghe Science and Technology College
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-05-05
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to a laboratory fixing device field especially relates to a fixing device for material metallographic experiment, including the fixation clamp, the fixation clamp comprises preceding fixation clamp and back fixation clamp, preceding fixation clamp is the same with back fixation clamp structure, fixation clamp exterior structure is circular, all be provided with a plurality of align to grid's fixed orifices on the side edge horizontal direction of preceding fixation clamp and back fixation clamp, the fixation clamp outside is provided with the frame that is used for supporting the fixation clamp, it puts into the fixed orifices and is used for fixation clamp rotation angle's fixing bolt to be provided with on the frame and run through frame and one end, still be provided with on the fixation clamp and run through the frame and be used for the handle of convenient rotation, solve the inconvenient problem of sample polishing process rotation in the prior art metallographic experiment, the utility model discloses there is very extensive usage in the metallographic laboratory.

Description

Fixing device for material metallographic experiment

Technical Field

The utility model belongs to laboratory fixing device field especially relates to a fixing device for material metallography experiment.

Background

The properties of a metal depend on its composition and microstructure, with the microstructure having the most direct effect on the properties of the metal. The metallographic analysis technology is a conventional inspection method for evaluating the internal quality of a metal material according to relevant standards and regulations, can be used for judging whether a part production process is complete and is helpful for seeking the cause of defects of the part, and is an essential means in production, use and scientific research of the metal material. And (3) polishing the metallographic specimen in the experimental process to obtain a smooth polished surface. In the polishing process, the metallographic specimen needs to be rotated after each coarse grinding, and polishing is carried out again; in the process of rotating the metallographic specimen, the angle needs to be adjusted manually, so that the metallographic specimen is very inconvenient.

Patent document No. 201620287682.3 discloses a sample anchor clamps for metallographic test, including left clamping body, right clamping body, No. I screw rod, No. II screw rod passes left clamping body from a left side to the right side, right clamping body is fixed through the nut, form No. I clamping groove of L form between left clamping body bottom and the right flank, form No. I dysmorphism clamping groove between left clamping body top and the right flank, No. II dysmorphism clamping groove, No. III dysmorphism clamping groove, form No. II clamping grooves of L form between right clamping body bottom and the left flank, form No. III clamping grooves of L form between right clamping body top and the left flank. This solution does not provide a convenient means for rotation of the sample during the experiment.

Disclosure of Invention

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a fixing device for material metallographic experiment solves the rotatory inconvenient problem of sample polishing process in the prior art metallographic experiment.

Its technical scheme is, a fixing device for material metallographic experiment, including the fixation clamp, the fixation clamp comprises preceding fixation clamp and after-fixing clamp, preceding fixation clamp is the same with the after-fixing clamp structure, the fixation clamp exterior structure is circular, the side of preceding fixation clamp and after-fixing clamp all is provided with a plurality of align to grid's fixed orifices on the horizontal direction, the fixation clamp outside is provided with the frame that is used for supporting the fixation clamp, be provided with on the frame and run through frame and one end and put into the fixed orifices and be used for the fixing clamp fixing angle's fixing bolt, still be provided with on the fixation clamp and run through the frame and be used for convenient rotatory handle.

Further, the frame includes horizontal pole and montant, be provided with the screw that is used for fixing bolt to put into the fixation clamp on the horizontal pole, handle and fixation clamp adopt threaded connection, be provided with the elongated slot that is used for the handle to rotate to pass through on the montant.

Furthermore, a moving rod is arranged between the two vertical rods, sliding grooves used for sliding of the moving rod are formed in the two vertical rods, sliding seats are arranged in the sliding grooves and connected with the moving rod through bolts, and screw holes used for enabling positioning bolts to penetrate through are formed in the middle of each moving rod.

Furthermore, an L-shaped supporting plate is arranged on the vertical rod, one end, far away from the frame, of the supporting plate is located on the lower portion of the fixing clamp to form a structure for supporting the fixing clamp, and a roller used for reducing friction force when the fixing clamp rotates is arranged on one side, close to the fixing clamp, of the supporting plate.

Furthermore, one side of the supporting plate, which is close to the fixing clamp, is provided with a supporting frame in a shape like a Chinese character 'men', the supporting frame is provided with a plurality of supporting frames which are uniformly arranged on the supporting plate at intervals, the supporting frame is in screw connection with the supporting plate, a pin roller is sleeved on a part, which is far away from one side of the supporting plate, on the supporting frame, and the pin roller can rotate around the thin rod.

The utility model has the advantages that the fixing clamp is provided with the handle which can move in the long groove on the frame, the handle can be rotated to rotate the metal sample in the fixing clamp in the experimental process, and the metal sample can be conveniently polished at multiple angles;

the movable rod is arranged, so that when the fixing clamp clamps metal samples with different sizes, the fixing bolt can more firmly fix the metal samples, and the movable rod can be more conveniently moved due to the matching of the sliding seat and the sliding groove;

the existence of backup pad, further support the fixation clamp, the setting of the ball on backup pad upper portion, the fixation clamp rotation in-process of being convenient for reduces frictional force, and better drive metal sample rotates.

Drawings

FIG. 1 is a front view of the fixing device for metallographic phase experiment of material of the present invention;

FIG. 2 is a side view of the fixing device for metallographic phase experiment of material of the present invention;

FIG. 3 is an enlarged view of the top view A of the fixing device for metallographic phase experiment of material according to the present invention;

figure 4 is the structure diagram of the fixing device moving rod for the material metallographic experiment of the utility model.

Wherein 1 fixation clamp, 101 preceding fixation clamp, 102 back fixation clamp, 2 fixed orifices, 3 frames, 301 horizontal pole, 302 montant, 4 fixing bolt, 5 handles, 6 elongated slots, 7 movable rods, 8 spout, 9 slide, 10 backup pads, 11 rollers, 12 supports frame.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and only for convenience of description of the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood 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 any relative importance in the description of the present invention, it being noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A fixing device for material metallographic experiment, including fixation clamp 1, fixation clamp 1 comprises preceding fixation clamp 101 and back fixation clamp 102, preceding fixation clamp 101 is the same with back fixation clamp 102 structure, 1 outer structure of fixation clamp is circular, and preceding fixation clamp 101 is provided with the centre gripping hole that the multiunit is used for centre gripping metal specimen with the relative volume one side of back fixation clamp 102, and generally preferred three groups are. The side of preceding fixation clamp 101 and back fixation clamp 102 all is provided with a plurality of align to grid's fixed orifices 2 along the horizontal direction, and the interval between adjacent fixed orifices 2 is unanimous, for metallographic specimen is convenient more, swift when the in-process of polishing is rotatory. A mark may be provided on one of the fixing holes 2 to indicate the rotation angle of the sample. The fixing clamp 1 is externally provided with a frame 3 for supporting the fixing clamp 1, the frame 3 is of a rectangular annular closed structure and used for fixing and supporting the fixing clamp 1, and the frame 3 is made of metal iron. Be provided with on the frame 3 and run through frame 3 and one end and put into fixing hole 2 and be used for fixing the fixing bolt 4 of 1 rotation angle of fixation clamp, fixing bolt 4 is prior art, is the ordinary bolt that can buy on the market, is provided with the screw hole that is used for fixing bolt 4 to run through the frame 3 body and uses with fixing bolt 4 cooperation on the frame 3. Fixing bolt 4 plays fixed supporting role to fixation clamp 1, guarantees the clamp of sample tight, and it is more convenient polishing the in-process, and the existence of fixation clamp 1 has also prevented to polish that the surface stress of sample is inhomogeneous when the in-process appears, causes the sample to polish the surface unevenness. Still be provided with on the fixation clamp 1 and run through frame 3 and be used for making things convenient for rotatory handle 5, the structure of handle 5 is cylindricly, and the one end of handle 5 has the thread connection end, all is provided with the screw that uses with the cooperation of handle 5 thread connection end on preceding fixation clamp 101 and the back fixation clamp 102.

In an embodiment, according to the attached drawings, the frame 3 includes a cross bar 301 and a vertical bar 302, and the two vertical bars 302 are disposed perpendicular to the cross bar 301, and form a hollow rectangular structure in the middle thereof. The cross rod 301 and the vertical rod 302 are integrally made into a structure, and the connection strength is higher. The cross rod 301 is provided with a screw hole for placing the fixing bolt 4 into the fixing clamp 1, and the screw hole penetrates through the thickness direction of the cross rod 301. The vertical rod 302 is provided with a long groove 6 through which the handle 5 can rotate, the long groove 6 penetrates through the thickness direction of the vertical rod 302, the edge of the fixing clamp 1 is close to the inner wall of the vertical rod 302, and the handle 5 extends outwards from the fixing clamp 1, penetrates through the long groove 6 on the vertical rod 302 and extends out of the long groove 6 and is used for rotating the fixing clamp 1 in an experiment.

In an embodiment, according to the attached drawings, a movable rod 7 is disposed between the two vertical rods 302, and the end of the movable rod 7 near the two vertical rods 302 is provided with a fixed end integrally formed therewith. Two be provided with on the montant 302 and be used for the gliding spout 8 of carriage release lever 7, be provided with slide 9 in the spout 8, the stiff end is "L" type and its one end extends to the lower surface of montant 302, and the one end that the stiff end is located montant 302 lower surface is provided with the round hole, is provided with on the slide 9 with the fixed end on the screw that the round hole cooperation was used, the bolt of being convenient for passes the round hole and gets into screw rear fixed carriage release lever 7. And a threaded hole for a positioning bolt to pass through is formed in the middle of each moving rod 7.

In an embodiment, according to the attached drawings, an L-shaped support plate 10 is disposed on the vertical rod 302, an end of the support plate 10 away from the frame 3 is located at a lower portion of the fixing clip 1 to form a structure for supporting the fixing clip 1, and the support plate 10 is welded to the vertical rod 302. One surface of the supporting plate 10 close to the fixing clip 1 is provided with a roller 11 for reducing friction force when the fixing clip 1 rotates. One side of the supporting plate 10 close to the fixing clamp 1 is provided with a door-shaped supporting frame 12, and the supporting frame 12 is composed of three thin rods. The supporting frames 12 are arranged on the supporting plate 10 at equal intervals, the supporting frames 12 are in screw connection with the supporting plate 10, the pin rollers 11 are sleeved on the thin rods on the side, far away from the supporting plate 10, of the supporting frames 12, and the pin rollers 11 can rotate around the thin rods to form a structure for reducing friction of the fixing clamp 1 when the fixing clamp 1 rotates. In the metallographic test, in the step of polishing the sample, the sample needs to be rotated to polish the surface. In the rotating process, the fixing bolt 4 needs to be screwed out of the fixing hole 2, then the fixing clamp 1 is rotated, the bottom of the fixing clamp 1 rotates on the supporting plate 10, and the roller 11 protrudes out of the upper surface of the supporting plate 10 to be in contact with the bottom of the fixing clamp 1, so that the friction generated during the rotation is reduced.

The utility model adopts the structure that the fixing clamp is provided with the handle which can move in the long groove on the frame, and the handle can be rotated to rotate the metal sample in the fixing clamp in the experimental process, thereby being convenient for polishing the metal sample in multiple angles; the movable rod is arranged, so that when the fixing clamp clamps metal samples with different sizes, the fixing bolt can more firmly fix the metal samples, and the movable rod can be more conveniently moved due to the matching of the sliding seat and the sliding groove; the existence of backup pad, further support the fixation clamp, the setting of the ball on backup pad upper portion, the fixation clamp rotation in-process of being convenient for reduces frictional force, and better drive metal sample rotates.

The present invention has been described in detail with reference to the specific embodiments and examples, but these should not be construed as limitations of the present invention. Numerous variations and modifications can be made by those skilled in the art without departing from the principles of the invention, which should also be considered as within the scope of the invention.

Claims

1. A fixing device for material metallographic experiment, including fixation clamp (1), its characterized in that, fixation clamp (1) comprises preceding fixation clamp (101) and back fixation clamp (102), preceding fixation clamp (101) are the same with back fixation clamp (102) structure, fixation clamp (1) exterior structure is circular, the side of preceding fixation clamp (101) and back fixation clamp (102) all is provided with a plurality of align to grid's fixed orifices (2) along the horizontal direction, fixation clamp (1) outside is provided with frame (3) that are used for supporting fixation clamp (1), be provided with on frame (3) and run through frame (3) and one end and put into fixed orifices (2) and be used for fixing fixation clamp (1) rotation angle fixing bolt (4), still be provided with on fixation clamp (1) and run through frame (3) and be used for making things convenient for rotatory handle (5).

2. The fixing device for the material metallographic experiment according to claim 1, characterized in that the frame (3) comprises a cross rod (301) and a vertical rod (302), a screw hole for placing the fixing bolt (4) into the fixing clamp (1) is formed in the cross rod (301), the handle (5) is in threaded connection with the fixing clamp (1), and an elongated slot (6) for allowing the handle (5) to rotate through is formed in the vertical rod (302).

3. The fixing device for the metallographic experiment of the material according to claim 2, wherein a moving rod (7) is arranged between the two vertical rods (302), sliding grooves (8) for the sliding of the moving rod (7) are formed in the two vertical rods (302), a sliding seat (9) is arranged in each sliding groove (8), the sliding seat (9) is connected with the moving rod (7) through a bolt, and a screw hole for the passing of a positioning bolt is formed in the middle of each moving rod (7).

4. The fixing device for the metallographic experiment of the material according to claim 2, wherein the vertical rod (302) is provided with an "L" -shaped support plate (10), one end of the support plate (10) far away from the frame (3) is located at the lower part of the fixing clip (1) to form a structure for supporting the fixing clip (1), and a roller (11) for reducing friction force when the fixing clip (1) rotates is arranged on one surface of the support plate (10) close to the fixing clip (1).

5. The fixing device for the material metallographic experiment according to claim 4, characterized in that a support frame (12) shaped like a Chinese character 'men' is arranged on one side, close to the fixing clamp (1), of the support plate (10), a plurality of support frames (12) are uniformly arranged on the support plate (10) at intervals, the support frames (12) are in screw connection with the support plate (10), the pin rollers (11) are sleeved on the thin pieces on the side, far away from the support plate (10), of the support frame (12), and the pin rollers (11) can rotate around the thin rods.