CN219075209U

CN219075209U - Manually controlled metallographic specimen polishing clamping device

Info

Publication number: CN219075209U
Application number: CN202223029318.1U
Authority: CN
Inventors: 刘娜娜; 景财年; 冯燕; 吴忠林; 李兆通; 刘泽姣; 李宁; 杨楚; 徐俊杰; 李振威; 吴金标; 祝宇航; 黄秋悦
Original assignee: Shandong Jianzhu University
Current assignee: Shandong Jianzhu University
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-05-26
Anticipated expiration: 2032-11-15

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

Manually controlled metallographic specimen polishing clamping device

Technical Field

The utility model relates to the field of grinding of metallographic specimen grinding machines, in particular to a manually-controlled metallographic specimen grinding clamping device.

Background

Metallographic analysis is an indispensable link in the research of materials. Metallographic analysis aims at revealing the real structure of the material, and a sample which can be used for microscopic observation and inspection, namely a metallographic sample, is required to be prepared for metallographic analysis. Sampling is the first step in the preparation of metallographic specimens, and is typically accomplished by removing the specimens from the raw material using a cutter. The test surface of a qualified metallographic specimen of the metallographic specimen must be parallel to the horizontal plane and can be removed by sanding when the test surface is at a slight angle to the horizontal plane. However, in experiments, the cutting surface is likely to be inclined at a large angle due to limited cutting ability. When this occurs, the cut surface needs to be polished and flattened by a grinder, but the rotating speed of the grinder in a laboratory is too high, and a metallographic specimen is too small, so that the hand of an experimenter is easily injured. In combination with a laboratory grinder, a device for use in a laboratory is provided which can clamp metallographic specimens instead of a human hand.

Disclosure of Invention

Aiming at the problems, the utility model designs a manually controlled metallographic specimen polishing and clamping device.

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 c8, a nut b9, a clamp arm 10, a bolt a11, a nut a12, a clamp 13, a bolt d14, a clamping plate 15, a nut c16 and a bolt b17. The laboratory sample shape is various, and when we clamp the sample on the abrasive machine through anchor clamps 13 and splint 15, realize the removal of clamping part fore-and-aft direction through rotating crank 4, realize sample and abrasive machine and polish the reasonable contact of face.

The clamp base 7 is fixed above the rack 6 through threaded connection, the gear 5 and the rack 6 form meshed transmission, the clamp arm 10 is fixed on the right of the clamp base 7 through threaded connection, the clamp 13 is fixed on the right of the clamp arm 10 through threaded connection, and the clamping plate 15 is fixed below the clamp 13 through threaded connection.

The shaft 2 is placed on the guide rail base 1, and is in coaxial fit with two through holes of the guide rail base 1, and the gear 5 is sleeved on the shaft 2 to form coaxial fit with the shaft 2; the two through holes of the handle 3 are respectively in coaxial welding fit with the shaft 2 and the crank 4; the rack 6 is placed on the guide rail of the guide rail base 1, and a threaded hole is formed in the rack 6 and is in threaded fit with the clamp base 7; the clamp arm 10 is in threaded engagement with the clamp base 7, the clamp 13 is in threaded engagement with the clamp arm 10, and the clamp 13 is in threaded engagement with the clamp plate 15.

The clamp base 7 is in threaded connection with the rack 6 through a bolt b17, and the clamp base 7 is in threaded connection with the clamp arm 10 through a bolt c8 and a nut b 9.

The clamp arm 10 is in threaded connection with the clamp 13 through a bolt a11 and a nut a12, and the clamp 13 is in threaded engagement with the clamping plate 15 through a bolt d14 and a nut c 16.

Compared with the prior device, the utility model has the advantages and positive effects that:

1. the device uses mechanical clamp to replace the sample of staff centre gripping processing, and the contact of abrasive machine and sample is more stable, has improved the surface smoothness of metallographic specimen.

2. The device uses machinery to polish the sample, has replaced experimenter's hand operation, has improved the security.

3. The device simple structure, easily operation, the practicality is strong.

4. The device can clamp metallographic samples with various shapes, and the selection range of the samples is increased.

Drawings

FIG. 1 is a three-dimensional view of the device of the present utility model

FIG. 2 is a front view of the device of the present utility model

FIG. 3 is a left side view of the device of the present utility model

FIG. 4 is a top view of the device of the present utility model

In the figure: the device 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 c8, a nut b9, a clamp arm 10, a bolt a11, a nut a12, a clamp 13, a bolt d14, a clamping plate 15, a nut c16 and a bolt b17.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown, the rack 6 is placed in the rail base 1 so as to be slidable back and forth in the 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 into the handle 3 so that the crank and the shaft can rotate simultaneously. The clamp base 1 is fixed on the rack 6 by a bolt b17 and is connected with the clamp arm 10 by a bolt c8 and a nut b9, and the clamp arm 10 is tightly connected with the clamp 13 by a bolt a11 and a nut a 12. The clamp 13 is engaged with the clamp 15 by the bolt d14 and the nut c16, and the clamp 15 is moved up and down by turning the nut c16 to clamp the sample.

First, the sample is placed on the groove on the clamping plate 15, and the metallographic sample is fixed by manually tightening the nut c 16. The crank 4 is rotated to realize the meshing transmission of the gear 5 and the rack 6, so that the rack 6 drives the clamp 13 to move forwards and backwards. The whole device can be directly placed on a working table.

When the device works, an experimenter is required to hold the crank 4 to balance the force generated when the sample is polished, and after the device works for a period of time, the crank 4 is rotated to enable the clamping part to move forward, so that the polishing surface is fully contacted with the grinding wheel, and the surface of the sample is smoother.

Finally, it should be noted that: in the description of the present patent, the terms "upper", "lower", "left", "right", and the like indicate an azimuth or positional relationship based on "top view", "front view", "left view", as shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, as well as a specific azimuth configuration and operation.

Claims

1. A manually controlled metallographic specimen polishing and clamping device is characterized in that: the novel automatic clamping device mainly 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), wherein the clamp base (7) is fixed above the rack (6) through threaded connection, the gear (5) and the rack (6) form meshed 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 clamping plate (15) is fixed below the clamp (13) through threaded connection.

2. A manually controlled metallographic specimen polishing clamping device as claimed in claim 1, wherein: the shaft (2) is placed on the guide rail base (1), the shaft is matched with two through holes of the guide rail base (1) in a coaxial mode, the gear (5) is sleeved on the shaft (2) to form the shaft (2) in a coaxial mode, the two through holes of the handle (3) are respectively matched with the shaft (2) and the crank (4) in a coaxial mode in a welding mode, the rack (6) is placed on the guide rail of the guide rail base (1), a threaded hole is formed in the rack (6) to be in threaded mode with the clamp base (7), the clamp arm (10) is in threaded mode with the clamp base (7), the clamp (13) is in threaded mode with the clamp arm (10), and the clamp (13) is in threaded mode with the clamp plate (15).

3. A manually controlled metallographic specimen polishing clamping device as claimed in claim 1, wherein: the clamp base (7) is in threaded connection with the rack (6) through the bolt b (17), and the clamp base (7) is in threaded connection with the clamp arm (10) through the bolt c (8) and the nut b (9).

4. A manually controlled metallographic specimen polishing clamping device as claimed in claim 1, wherein: the clamp arm (10) is in threaded connection with the clamp (13) through the bolt a (11) and the nut a (12), and the clamp (13) is in threaded fit with the clamping plate (15) through the bolt d (14) and the nut c (16).