CN219075209U - A manually controlled metallographic sample grinding and clamping device - Google Patents

Abstract

The utility model discloses a manually-controlled metallographic specimen polishing and clamping device which comprises a guide rail base (1), a shaft (2), a handle (3), a crank (4), a gear (5), a rack (6), a clamp base (7), a bolt c (8), a nut b (9), a clamp arm (10), a bolt a (11), a nut a (12), a clamp (13), a bolt d (14), a clamping plate (15), a nut c (16) and a bolt b (17). The metallographic specimen used in the laboratory is irregular in shape, and according to the shape of the metallographic specimen, the specimen can be clamped between the clamp (13) and the clamping plate (15) by rotating the nut c (16). The sample is advanced and retreated by the cooperation of the gear (5) and the rack (6). The device avoids the contact between hands of experimental personnel and the grinding wheel machine rotating at high speed, and improves the safety of experiments.

Description

A manually controlled metallographic sample grinding and clamping device

technical field

The utility model relates to the field of metallographic sample grinder grinding, in particular to a manually controlled metallographic sample grinding and clamping device.

Background technique

Metallographic analysis is an essential part of material research. Metallographic analysis aims to reveal the real structure of materials. To carry out metallographic analysis, it is necessary to prepare samples that can be used for microscopic observation and inspection—metallographic samples. Sampling is the first link in the preparation of metallographic samples. Generally, the sample is removed from the raw material with a cutting machine. The test surface of a qualified metallographic sample must be parallel to the horizontal plane. When there is a slight angle between the test surface and the horizontal plane, it can be eliminated by sanding. However, due to the limited cutting ability in the experiment, the cutting surface is likely to be inclined at a large angle. When this happens, it is necessary to use a grinder to smooth the cutting surface. However, the speed of the laboratory grinder is too high, and the metallographic sample is too small, which is easy to cause injury to the hands of the experimenter. Combined with the grinder in the laboratory, a device used in the laboratory is set up, which can replace the manual clamping of the metallographic sample.

Contents of the invention

In view of the above problems, the utility model patent designs a manually controlled metallographic sample grinding and clamping device.

The utility model patent discloses a manually controlled metallographic sample grinding and clamping device. The utility model includes a guide rail base 1, a shaft 2, a handle 3, a handle 4, a gear 5, a rack 6, a clamp base 7, and a bolt c8, nut b9, clamp arm 10, bolt a11, nut a12, clamp 13, bolt d14, splint 15, nut c16, bolt b17. The shape of the sample in the laboratory is various. When we clamp the sample with the clamp 13 and the splint 15 and grind it on the grinder, we can move the clamping part forward and backward by turning the handle 4, so that the sample and the grinding surface of the grinder are reasonable. s contact.

The clamp base 7 is fixed on the top of the rack 6 through threaded connection, and the gear 5 forms a meshing transmission with it on the top of the rack 6. The clamp arm 10 is fixed on the right side of the clamp base 7 through a threaded connection, and the clamp 13 is fixed on the clamp arm through a threaded connection. On the right side of 10, the splint 15 is fixed under the clamp 13 through screw connection.

The shaft 2 is placed on the guide rail base 1 to achieve coaxial cooperation with the two through holes of the guide rail base 1, and the gear 5 is set on the shaft 2 to form a coaxial cooperation with the shaft 2; the two through holes of the handle 3 The holes are respectively coaxially welded with the shaft 2 and the handle 4; the rack 6 is placed on the guide rail of the guide rail base 1, and the rack 6 is provided with a threaded hole to form a threaded fit with the clamp base 7; the clamp arm 10 and the clamp The base 7 forms a threaded fit, the clamp 13 forms a threaded fit with the clamp arm 10 , and the clamp 13 forms a threaded fit with the splint 15 .

The clamp base 7 is threadedly connected to the rack 6 through the bolt b17, and the clamp base 7 is threadedly connected to the clamp arm 10 through the bolt c8 and the nut b9.

The clamp arm 10 is threadedly connected to the clamp 13 through the bolt a11 and the nut a12, and the clamp 13 is threadedly engaged with the splint 15 through the bolt d14 and the nut c16.

Advantages and positive effects brought by the utility model compared with existing devices:

1. The device uses mechanical clamps instead of human hands to clamp the processed samples, the contact between the grinder and the samples is more stable, and the surface smoothness of the metallographic samples is improved.

2. The device uses mechanical grinding of the sample, instead of the hand operation of the experimenter, which improves the safety.

3. The device has a simple structure, is easy to operate, and has strong practicability.

4. The device can hold metallographic samples of various shapes, which increases the selection range of samples.

Description of drawings

Fig. 1 is the three-dimensional figure of the utility model device

Fig. 2 is the front view of the utility model device

Fig. 3 is the left side view of the utility model device

Fig. 4 is the top view of the utility model device

In the figure: rail base 1, shaft 2, handle 3, crank 4, gear 5, rack 6, clamp base 7, bolt c8, nut b9, clamp arm 10, bolt a11, nut a12, clamp 13, bolt d14, Splint 15, nut c16, bolt b17.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in the figure, the rack 6 is placed in the guide rail base 1 so that it can slide back and forth in the guide rail base 1 . The gear 5 is fixed on the guide rail base 1 through the shaft 2, and the crank 4 and the shaft 2 are embedded in the handle 3 so that the three can rotate simultaneously. The clamp base 1 is fixed on the rack 6 by the bolt b17, and connected with the clamp arm 10 by the bolt c8 and the nut b9, and the clamp arm 10 is firmly connected with the clamp 13 by the bolt a11 and the nut a12. The clamp 13 cooperates with the splint 15 through the bolt d14 and the nut c16, and the splint 15 moves up and down by turning the nut c16 to clamp the sample.

First, the sample is placed on the groove on the splint 15, and the nut c16 is manually tightened to fix the metallographic sample. The meshing transmission between the gear 5 and the rack 6 is realized by turning the handle 4, so that the rack 6 drives the clamp 13 to move back and forth. The entire unit can be placed directly on the work surface.

When the device is working, the experimenter needs to hold the handle 4 to balance the force generated when the sample is polished. After the device has been working for a period of time, turn the handle 4 to move the clamping part forward, so that the grinding surface can fully contact the grinding wheel, thereby Make the sample surface more even.

Finally, it should be noted that in the description of the utility model patent, the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship are based on the "top view", "main view" shown in the accompanying drawings. The orientation or positional relationship of "view" and "left view" are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, as well as a specific orientation configuration and operation.

Claims (4)

1. A manually controlled metallographic sample grinding and clamping device, which is characterized in that it mainly includes a guide rail base (1), a shaft (2), a handle (3), a crank (4), a gear (5), a gear Bar (6), clamp base (7), bolt c (8), nut b (9), clamp arm (10), bolt a (11), nut a (12), clamp (13), bolt d (14 ), splint (15), nut c (16), bolt b (17), the fixture base (7) is fixed above the rack (6) through threaded connection, and the gear (5) meshes with it above the rack (6) transmission, the clamp arm (10) is fixed on the clamp base (7) through threaded connection, the clamp (13) is fixed on the clamp arm (10) through threaded connection, and the splint (15) is fixed under the clamp (13) through threaded connection. 2. A manually controlled metallographic sample grinding and clamping device according to claim 1, characterized in that: the shaft (2) is placed on the guide rail base (1), and the two sides of the guide rail base (1) The through hole realizes the coaxial fit, the gear (5) is set on the shaft (2) to form a coaxial fit with the shaft (2), and the two through holes of the handle (3) are respectively connected with the shaft (2) and the crank (4) To realize the welding fit of the coaxial center, the rack (6) is placed on the guide rail of the guide rail base (1), and the rack (6) is provided with a threaded hole to form a threaded fit with the clamp base (7), and the clamp arm ( 10) Form a threaded fit with the clamp base (7), form a threaded fit with the clamp (13) and the clamp arm (10), form a threaded fit with the clamp (13) and the splint (15). 3. A manually controlled metallographic sample grinding and clamping device according to claim 1, characterized in that: the clamp base (7) is threadedly connected to the rack (6) through the bolt b (17), The fixture base (7) is threadedly connected with the fixture arm (10) through bolt c (8) and nut b (9). 4. A manually controlled metallographic sample grinding and clamping device according to claim 1, characterized in that: the clamp arm (10) connects with the clamp (13) through the bolt a (11) and the nut a (12) ) to realize the threaded connection, the clamp (13) forms a threaded fit with the splint (15) through the bolt d (14) and the nut c (16).

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