CN202735151U - Stand column type metallographic specimen cold mounting device - Google Patents

Abstract

The utility model discloses a stand column type metallographic specimen cold mounting device. A base seat (5) is provided with a central boss, end portions of a concave mold (6) are provided with steps, and the concave mold (6) is matched with the central boss of the base seat (5). Pressing plates (3) are tightly pressed on the steps on the end portions of the concave mold (6) through pressing plate bolts (4). A pressing head (8) is matched with a sleeve (9) in a threaded mold, wherein a spring (10) is arranged in the sleeve (9), the lower end of the spring (10) is in contact with the pressing head (8), the upper end of the spring (10) is in contact with a spacer (11), and the pressing head (8) is matched with the concave mold (6) and in contact with mounting materials. Stand columns (12) are provided with threads, and threaded holes in two ends of a beam (14) are sleeved on the stand columns (12). A lead screw (16) is matched with the beam (14), and a wrench (17) is fixed on one end of the lead screw (16). The stand column type metallographic specimen cold mounting device is simple in structure, exquisite and durable, convenient to operate, free from site limitation, reusable, and pollution-free.

Description

A column type metallographic sample cold mounting device

technical field

The utility model relates to a column type metallographic sample cold inlay device.

Background technique

In the process of metallographic analysis of materials, it is often necessary to treat some brittle and easily broken samples that cannot be heated, ultra-thin and small samples, metal powders that are not oxidized, porous samples, and cracked samples. The metallographic analysis of samples, etc. is carried out to evaluate the organizational characteristics of these sample materials. Due to the special performance and size of these samples, it is necessary to inlay the metallographic samples to facilitate the grinding and polishing of the samples. It is difficult to meet the performance and size requirements of the sample by thermal mounting method and mechanical clamping method. The traditional cold mounting method uses simple soft molds and hard molds, which are prone to defects such as cracking, air bubbles, and sample drop-off, which affect the quality and efficiency of grinding samples. Therefore, it is necessary to design a cold mounting device for metallographic samples that is suitable for materials with relatively special properties and sizes.

Utility model content

The technical problem to be solved by the utility model is to provide a column-type metallographic sample cold mounting device for the deficiencies of the prior art.

A column-type cold mounting device for metallographic samples, comprising a base (5), a die (6), a pressing plate (3), an indenter (8), a sleeve (9), a column (12), a screw (16 ), beam (14), wrench (17); the base (5) is provided with a central boss; the end of the die (6) has a step, and the die (6) cooperates with the center boss of the base (5), The pressure plate (3) is pressed against the step at the end of the die (6) with the pressure plate bolt (4); the pressure head (8) is threadedly matched with the sleeve (9), and there is a spring (10) in the sleeve (9). The lower end of the spring (10) is in contact with the indenter (8), the upper end of the spring (10) is in contact with the gasket (11), the indenter (8) cooperates with the die (6), and contacts the inlay material; the column (12) is processed There are threads, and the threaded holes at the two ends of the crossbeam (14) are enclosed within the column (12); leading screw (16) cooperates with the crossbeam (14), and the spanner (17) is fixed on one end of the leading screw (16).

The column type cold mounting device for metallographic samples also includes a cushion cylinder (18), the inner diameter of the cushion cylinder (18) is larger than the inner diameter of the die (6).

Features of the utility model column type metallographic sample cold mounting device:

1. It is made of ordinary carbon steel, simple in structure, exquisite and durable, easy to operate, not limited by the site, reusable, and has no pollution to the environment.

2. With the spring sleeve structure, the pressure can be adjusted conveniently according to the performance and size characteristics of the sample, so as to ensure the integrity of the metallographic sample after cold mounting.

3. During the hardening process of the mosaic material, although the volume has a certain change, the spring always provides pressure to prevent defects such as cracking, air bubbles, and sample falling off, and ensure the quality of the metallographic sample after cold mounting.

Description of drawings

Fig. 1 is a schematic structural diagram of a column type metallographic sample cold mounting device;

Figure 2 is a schematic diagram of extrusion of a cold-mounted metallographic sample;

1-sample 1; 2-sample 2; 3-pressure plate; 4-pressure plate bolt; 5-base; 6-die; 7-inlay material; 8-pressure head; 9-sleeve; 10-spring; -Washer; 12-column; 13-locating nut; 14-beam; 15-compression nut; 16-leading screw; 17-wrench;

Detailed ways

Below in conjunction with specific embodiment, the utility model is described in detail.

Figure 1 is a structural diagram of a column type metallographic sample cold mounting device. Sample 1 and sample 2 are placed on the central boss of the base 5, and the surface of the boss of the base 5 is coated with a release agent. The inner surface of the concave mold 6 with a step at the end is coated with a release agent, the concave mold 6 cooperates with the central boss of the base 5, and the pressure plate 3 is pressed against the step at the end of the concave mold 6 with the pressure plate bolt 4 to ensure the stability of the concave mold 6 . The prepared mosaic material 7 is evenly poured along the die cavity of the concave mold 6, and the pouring height is convenient for holding the ground sample.

The pressure head 8 and the sleeve 9 are threadedly matched, the end surface of the pressure head 8 is coated with a release agent, the sleeve 9 has a spring 10, the lower end of the spring 10 is in contact with the pressure head 8, the upper end of the spring 10 is in contact with the gasket 11, and the pressure head 8 Cooperate with the die 6 and contact with the mosaic material 7. The column 12 is processed with threads, the positioning nut 13 can change the height of the beam 14 , and the compression nut 15 makes the beam 14 fastened to the column 12 .

Lead screw 16 cooperates with crossbeam 14, and turning wrench 17 makes lead screw 16 move downward, pressing down gasket 11, spring 10 shrinks, and the force is transmitted to indenter 8, and inlaid material 7 is combined with sample 1 and sample 1 under spring pressure. Sample 2 was in close contact and fully hardened. The mounting material 7 is fully hardened, and the sample 1 and the sample 2 are mounted in the mounting material 7 .

Figure 2 is a schematic diagram of extrusion of a metallographic sample after cold mounting. Take off the die 6, place the cushion cylinder 18 on the base 5, place the die 6 on the cushion cylinder 18, the inner diameter of the cushion cylinder 18 is greater than the inner diameter of the die 6. Press down the indenter 8 to press out the cold-mounted metallographic sample, and then perform grinding and polishing.

It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should belong to the protection scope of the appended claims of the present utility model.

Claims (2)

1. cold inlaying device of column metallographic specimen, it is characterized in that, comprise base (5), die (6), pressing plate (3), pressure head (8), sleeve (9), column (12), leading screw (16), crossbeam (14), spanner (17); Base (5) is provided with central boss; The end of die (6) is with step, and die (6) cooperates with the central boss of base (5), and pressing plate (3) is pressed on the step of die (6) end with follower bolt (4); Pressure head (8) and sleeve (9) are with threaded engagement, spring (10) is arranged in the sleeve (9), spring (10) lower end contacts with pressure head (8), spring (10) upper end contacts with pad (11), pressure head (8) cooperates with die (6), and contacts with inlaid material; Column (12) is processed with screw thread, and the threaded hole at crossbeam (14) two ends is enclosed within column (12); Leading screw (16) cooperates with crossbeam (14), and spanner (17) is fixed on leading screw (16) one ends.

2. the cold inlaying device of column metallographic specimen according to claim 1 is characterized in that, also comprises pad cylinder (18), and the internal diameter of pad cylinder (18) is greater than the internal diameter of die (6).

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