Clamp for observing metallographic phase of aluminum alloy sheet or foil

Abstract

A clamp for metallographic observation of an aluminum alloy thin plate or foil comprises a frame, a sliding rod, a spring and a clamping block. Two sliding rods are arranged on the frame in parallel, two clamping blocks are arranged on the sliding rods in a sliding mode, a spring is arranged on the sliding rod between each clamping block and the frame in a sleeving mode, and the two ends of each spring abut against the corresponding clamping block and the frame respectively. The butt joint face of the two clamping blocks is a plane, and an aluminum alloy thin plate or foil is vertically placed between the two clamping blocks and is clamped and fixed by the two clamping blocks under the action of the spring. The clamp special for metallographic observation is simple in structure and convenient to clamp, and overcomes various difficulties when an aluminum alloy thin plate or foil is observed on a microscope.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tool, specifically relates to a kind of fixture for metallographic observation of aluminium alloy sheet or foil. BACKGROUND

[0002] With the development of science and technology, the application of aluminium alloy sheet or foil in aerospace, navigation and other fields, the microscopic structure inspection project of aluminium alloy sheet or foil and foil is more and more, but in actual production, when observing the microscopic structure of the cross section of aluminium alloy sheet or foil, whether using inverted microscope or upright microscope observation, the sample cannot be straightened up, which is convenient for observation. SUMMARY

[0003] The utility model discloses a kind of fixture for metallographic observation of aluminium alloy sheet or foil, to solve the problem that aluminium alloy sheet or foil cannot be straightened up for observation, and provide a kind of fixture for metallographic observation of aluminium alloy sheet or foil.

[0004] A kind of fixture for metallographic observation of aluminium alloy sheet or foil includes frame, slide bar, spring and clamping block;Two slide bars are provided in parallel on the frame, two clamping blocks are slidably arranged on the slide bar, a spring is sleeved on the slide bar between each clamping block and the frame, and the two ends of the spring are respectively abutted with the clamping block and the frame;

[0005] The butt joint surface of the two clamping blocks is a plane, and the aluminium alloy sheet or foil is vertically placed between the two clamping blocks during use, and is clamped and fixed by the two clamping blocks under the action of the spring.

[0006] The utility model has the beneficial effects compared with prior art:

[0007] 1, overcome the various difficulties when observing aluminium alloy sheet or foil on microscope, solve the problem that aluminium alloy sheet or foil cannot be straightened up for observation whether using inverted microscope or upright microscope.

[0008] 2, the utility model can also be applied to other special-shaped test pieces that cannot be observed vertically.

[0009] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and easy to understand, the specific embodiment of the utility model is described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a schematic view of the fixture for metallographic observation of aluminium alloy sheet or foil;

[0011] Figure 2 It is a schematic view of the fixture clamping test piece. DETAILED DESCRIPTION

[0012] Unless otherwise defined, technical terms or scientific terms used in the present embodiment have the same meaning as those commonly understood by one of ordinary skill in the art to which the present application pertains;

[0013] Referring to Figure 1 The present application discloses a kind of aluminum alloy sheet or foil metallographic observation clamps, comprising frame 1, slide bar 2, spring 3 and clamp block 4;Two slide bars 2 are arranged in parallel on frame 1, two clamp blocks 4 are slidably arranged on slide bar 2, spring 3 is sleeved on the slide bar 2 between each clamp block 4 and frame 1, both ends of spring 3 are respectively abutted with clamp block 4 and frame 1, the butt joint surface of two clamp blocks 4 is plane, and aluminum alloy sheet or foil is vertically placed between two clamp blocks 4 in use, and is clamped and fixed by two clamp blocks 4 under the action of spring 3.

[0014] Referring to Figure 2 The present application discloses a kind of aluminum alloy sheet or foil metallographic observation clamps, in use, the observation test piece is placed between two clamp blocks 4, the aluminum alloy sheet or foil (thickness is below 0.2mm) is kept vertical, then inverted microscope or upright microscope is used to observe test piece organization, which is convenient and fast, and improves the work efficiency and reliability of microstructure inspection project.

[0015] Further, the spring 3 is a spiral spring. The spiral spring has good precise adjustment performance, is easy to manufacture and has compact structure.

[0016] Further, a groove 41 is formed on the butt joint surface of one of the clamp blocks 4. The groove 41 is arranged to facilitate manual operation of the clamp blocks 4, so that after the two clamp blocks 4 are separated, the aluminum alloy sheet or foil or plate is placed, and then after being loosened, the two clamp blocks 4 clamp and fix the aluminum alloy sheet or foil or plate under the action of the spring 3, and then the inverted microscope or upright microscope is used to observe the test piece organization.

[0017] As a feasible embodiment, the slide bar 2 is a circular slide bar, the outer diameter of the slide bar 2 is 5mm, and the size of the spring 3 is as follows: the cross-sectional diameter is 25mm, and the wire diameter is 5mm. The frame 1 is a plate, the slide bar 2 is fixedly installed between the plates, and the two ends of the slide bar 2 are fixed on the plates by nuts. This structure is reasonable in arrangement and convenient to disassemble and assemble. The circular slide bar and the cylindrical spiral spring can be well matched, and the installation and use are convenient. Preferably, the width of the clamp block 4 is 15mm. The above-mentioned sizes meet the use requirements.

[0018] Further, the clamp block 4 is a rectangular block, and the length direction of the clamp block 4 is perpendicular to the length direction of the slide bar 2. The rectangular block is a regular plate, which is convenient to process and use. The length direction of the clamp block 4 is perpendicular to the length direction of the slide bar 2, which is convenient to adapt to the clamping and fixing of aluminum alloy sheets or foils of different lengths.

[0019] Further, the material of the clamping block 4 is stainless steel or engineering plastic, and the material of the frame 1 and the slide bar 2 is engineering plastic.

[0020] Based on the above-mentioned embodiments, the special-shaped test piece which cannot be observed vertically is clamped between the two clamping blocks 4 of the clamp, so that the test piece is kept vertical, and microstructure observation can be realized.

[0021] The utility model has disclosed the above-mentioned preferable embodiment, however, is not used to limit the present application, any person skilled in the art can make slight change or modification for equivalent embodiment of equivalent change within the range of the technical scheme of the present application by using the above-mentioned disclosed structure and technical content, which still belongs to the range of the technical scheme of the present application.

Claims

1. A fixture for metallographic observation of aluminum alloy thin plates or foils, characterized in that: It includes a frame (1), a slide rod (2), a spring (3) and a clamping block (4); two slide rods (2) are arranged in parallel on the frame (1), and two clamping blocks (4) are slidably arranged on the slide rods (2). A spring (3) is sleeved on the slide rod (2) between each clamping block (4) and the frame (1). The two ends of the spring (3) abut against the clamping block (4) and the frame (1) respectively. The mating surface of the two clamping blocks (4) is a plane. When in use, the aluminum alloy sheet or foil is placed vertically between the two clamping blocks (4) and clamped and fixed by the two clamping blocks (4) under the action of the spring (3).

2. The fixture for metallographic observation of aluminum alloy thin plates or foils according to claim 1, characterized in that: The spring (3) is a helical spring.

3. The fixture for metallographic observation of aluminum alloy thin plates or foils according to claim 1, characterized in that: One of the clamping blocks (4) has a groove (41) on its mating surface.

4. The fixture for metallographic observation of aluminum alloy thin plates or foils according to claim 1, characterized in that: The slide bar (2) is a circular slide bar with an outer diameter of 5mm. The dimensions of the spring (3) are: a cross-sectional diameter of 25mm and a wire diameter of 5mm.

5. The fixture for metallographic observation of aluminum alloy thin plates or foils according to claim 1, characterized in that: The clamping block (4) is a rectangular block, and the length direction of the clamping block (4) is perpendicular to the length direction of the slide bar (2).

6. The fixture for metallographic observation of aluminum alloy thin plates or foils according to claim 1, characterized in that: The clamping block (4) is made of stainless steel or engineering plastic.

7. The fixture for metallographic observation of aluminum alloy thin plates or foils according to claim 1, characterized in that: The frame (1) and slide bar (2) are made of engineering plastic.

8. The fixture for metallographic observation of aluminum alloy thin plates or foils according to claim 5, characterized in that: The width of the clamp (4) is 15mm.

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