CN214393722U

CN214393722U - Metallographic specimen cutting device

Info

Publication number: CN214393722U
Application number: CN202120495783.0U
Authority: CN
Inventors: 毛斌斌; 贺全翠
Original assignee: Shanxi Tongcai Industry and Trade Co Ltd
Current assignee: Shanxi Tongcai Industry and Trade Co Ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-10-15
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a metallographic specimen cutting device belongs to the metallography and grinds technical field. The metallographic specimen cutting device comprises a motor with a first adjusting screw, a first grinding wheel, a second grinding wheel and a specimen clamping device, wherein the first grinding wheel and the second grinding wheel are mounted at the front end of an output shaft of the motor, a spacer bush is arranged between the two grinding wheels, and the spacing between the grinding wheels is determined by the spacer bushes of different specifications. The sample clamping device is arranged below the first grinding wheel and the second grinding wheel, and a sample to be cut is horizontally clamped in the sample clamping device. The first adjusting screw is installed on the motor shell, the first adjusting screw is rotated, and the motor drives the first grinding wheel and the second grinding wheel to vertically move downwards on the first adjusting screw until the sample is cut and separated. Therefore, the technical problem that the cutting length is inaccurate due to the fact that the moving position of the single grinding wheel piece is used for cutting is solved, the accuracy of a cut sample and the surface quality of the sample are improved, and the working efficiency is improved.

Description

Metallographic specimen cutting device

Technical Field

The utility model relates to a metallography grinds technical field, specifically is a metallographic specimen cutting device.

Background

The sample is the first process of metallographic specimen preparation, if the position of sample or size are improper, can influence follow-up inlaying, the quality of polishing, and then influence the metallographic structure of observing the sample, reach the inspection purpose that cannot expect. The existing metallographic cutting machine cuts a steel bar sample by using a single grinding wheel. The length of the sample cut is realized by controlling the sample length required by the movement of the sample or the grinding wheel through the adjusting screw, a flat surface without deformation is finally obtained, the operation of a single grinding wheel is required twice, the cut length of the sample is difficult to accurately control, and large deviation is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a metallographic specimen cutting device causes length error when having solved the cutting, influences the metallographic structure of observation sample and the problem that single grinding wheel work is frequent.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a metallographic specimen cutting device includes motor, first emery wheel, second emery wheel, sample clamping device, first emery wheel and second emery wheel are installed at motor output shaft front end, first emery wheel is close to motor main part one side and sets up, the spacer is installed in the cooperation between the output shaft between first emery wheel and the second emery wheel.

The diameter of the first grinding wheel is larger than that of the second grinding wheel, and the radius difference is larger than that of the sample. After the first grinding wheel moves downwards to completely cut off the sample, the second grinding wheel starts to cut again, so that the quality of the cut sample is ensured, namely, the two grinding wheels are prevented from simultaneously contacting the sample to cause the deformation of the sample, and a smooth cut surface cannot be obtained.

A first adjusting screw is vertically installed on a shell of the motor, and vertical movement of the motor can be achieved by rotating the first adjusting screw, so that the distance between the grinding wheel and the sample in the vertical direction in the cutting process is adjusted to finish cutting action.

And a sample clamping device is arranged below the second grinding wheel and comprises a clamping part and a supporting part, the clamping part is horizontally arranged, and the supporting part is fixedly connected with the lower part of the clamping part.

Preferably, install the second adjusting screw on sample clamping device's the supporting part, can assist the extension length of adjusting the sample through rotatory second adjusting screw, save manual dismantlement sample, improve the security and the cutting efficiency of cutting operation.

Preferably, the two sides of the first grinding wheel and the second grinding wheel are respectively provided with a blocking piece, so that the spacer bush edge of the middle part and a device positioned on the outer side of the grinding wheel are prevented from being abraded during cutting, and the precision of the spacer bush is prevented from being influenced.

Preferably, a nut is installed on the motor output shaft on the outer side of the second grinding wheel in a matched mode and used for fixing the axial displacement of the second grinding wheel, and a smooth section vertical to a horizontal plane is obtained during cutting.

Preferably, the device's outside is provided with the safety cover, prevents that sample or waste residue splash in cutting process, plays the effect of protection operating personnel safety, is convenient for simultaneously clear up and accomodate, improves work efficiency.

When a sample is cut, the spacer bush with the corresponding specification is selected according to the detection condition of the actual sample, the baffle plate, the first grinding wheel, the spacer bush and the second grinding wheel are installed on the output shaft of the motor in a matching mode, and the outer side of the second grinding wheel is fixed with the position through the nut. Placing a sample to be cut in a sample clamping device, slightly adjusting a clamping part through a second adjusting screw rod to ensure that a segment to be cut is completely placed outside the sample clamping device, wherein the position of the segment corresponds to the positions of a first grinding wheel and a second grinding wheel above the segment; the clamping part clamps the sample, the motor is moved after the position is fixed, and the first grinding wheel is moved downwards to be close to the sample for cutting; and after the part which is not needed at the front end of the sample is completely removed, the first adjusting screw rod is rotated, and the motor continues to vertically move downwards along the first adjusting screw rod until the second grinding wheel completely cuts the sample.

Compared with the prior art, the utility model has the substantive characteristics that: the two grinding wheels are used for cutting the sample, and the grinding wheels are driven by the motor to move in the vertical direction after the cutting length is determined, so that the length of the sample is accurately controlled, the width between the two grinding wheels is the length of the cut sample, and the cutting efficiency and the quality of the finally obtained sample are obviously improved; the nut, the blocking piece and the second grinding wheel are disassembled, the spacer sleeves with different width specifications are replaced to obtain samples with corresponding lengths, and the length requirements of various metallographic samples during embedding are met through a simpler structure and simpler and more convenient operation.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Fig. 1 is the mechanism schematic diagram of the metallographic specimen cutting device of the utility model.

Reference numbers in the figures: 1. the grinding wheel comprises a motor, 2. a first grinding wheel, 3. a second grinding wheel, 4. a spacer bush, 5. a clamping part, 6. a supporting part, 7. a first adjusting screw, 8. a second adjusting screw, 9. a sample, 10. a baffle and 11. a nut.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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.

Examples

A metallographic sample cutting device comprises a motor 1, a first grinding wheel 2, a second grinding wheel 3 and a sample clamping device, wherein the first grinding wheel 2 and the second grinding wheel 3 are installed at the front end of an output shaft of the motor 1, the first grinding wheel 2 is arranged close to one side of a main body of the motor 1, and a spacer 4 is installed on an output shaft between the first grinding wheel 2 and the second grinding wheel 3 in a matched mode; the two sides of the first grinding wheel 2 and the second grinding wheel 3 are respectively provided with a baffle piece 10; the output shaft of the motor 1 at the outer side of the second grinding wheel 3 is provided with a nut 11 in a matching way.

The diameter of the first grinding wheel 2 is larger than that of the second grinding wheel 3, and the radius difference is larger than that of the sample 9; a first adjusting screw 7 is vertically arranged on the shell of the motor 1. By rotating the first adjusting screw 7, the motor 1 can drive the grinding wheel on the output shaft to move downwards for cutting.

And a sample clamping device is arranged below the second grinding wheel 3 and comprises a clamping part 5 and a supporting part 6, the clamping part 5 is horizontally arranged, and the supporting part 6 is fixedly connected with the lower part of the clamping part 5. A second adjusting screw 8 is mounted on the support 6 of the sample holding device. After the first cut, the second adjustment screw 8 is rotated to extend the sample 9 from the sample holder in preparation for a second cut.

When a sample is cut, the spacer 4 with the corresponding specification is selected according to the detection condition of the actual sample, the baffle plate 10, the first grinding wheel 2, the spacer 4 and the second grinding wheel 3 are installed on the output shaft of the motor 1 in a matching mode, and the outer side of the second grinding wheel 3 is fixed with the nut 11. Placing a sample to be cut into a sample clamping device, slightly adjusting the clamping part 5 through a second adjusting screw 8 to ensure that a segment to be cut is completely placed outside the sample clamping device, and the position of the segment corresponds to the positions of the first grinding wheel 2 and the second grinding wheel 3 above the segment; the clamping part 5 clamps the sample 9, the first adjusting screw 7 is rotated after the position is fixed, and the moving motor 1 firstly cuts the first grinding wheel 2 which is close to the sample 9 downwards; after the unnecessary part at the front end of the sample 9 is completely removed, the first adjusting screw 7 is rotated, and the motor 1 continues to move vertically downward along the first adjusting screw 7 until the second grinding wheel 3 completely cuts the sample 9.

By adopting the metallographic sample cutting device, the sample 9 can be cut by two grinding wheels together, and the cutting length is determined by the spacer 4, and then the grinding wheels are driven by the motor 1 to move in the vertical direction, so that the length of the sample 9 is accurately controlled, the width between the two grinding wheels is the length of the cut sample 9, and the cutting efficiency and the quality of the finally obtained sample 9 are obviously improved; the nut 11, the blocking piece 10 and the second grinding wheel 3 are disassembled, and the spacer bush 4 with different width specifications is replaced to obtain the sample 9 with corresponding length, so that the length requirement of embedding various metallographic samples can be met by a simpler structure and simpler operation.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The utility model provides a metallographic specimen cutting device which characterized in that: the sample clamping device comprises a motor (1), a first grinding wheel (2), a second grinding wheel (3) and a sample clamping device, wherein the first grinding wheel (2) and the second grinding wheel (3) are installed at the front end of an output shaft of the motor (1), the first grinding wheel (2) is arranged close to one side of a main body of the motor (1), and a spacer sleeve (4) is installed on an output shaft between the first grinding wheel (2) and the second grinding wheel (3) in a matched mode;

the diameter of the first grinding wheel (2) is larger than that of the second grinding wheel (3), and the radius difference is larger than that of the sample (9); a first adjusting screw (7) is vertically arranged on a shell of the motor (1);

the sample clamping device is arranged below the second grinding wheel (3) and comprises a clamping part (5) and a supporting part (6), the clamping part (5) is horizontally arranged, and the supporting part (6) is fixedly connected with the lower part of the clamping part (5).

2. The metallographic specimen cutting device according to claim 1, characterized in that: and a second adjusting screw (8) is arranged on the supporting part (6) of the sample clamping device.

3. The metallographic specimen cutting device according to claim 1, characterized in that: the two sides of the first grinding wheel (2) and the second grinding wheel (3) are respectively provided with a baffle (10).

4. The metallographic specimen cutting device according to claim 1, characterized in that: and a nut (11) is arranged on an output shaft of the motor (1) at the outer side of the second grinding wheel (3) in a matching way.

5. The metallographic specimen cutting device according to claim 1, characterized in that: and a protective cover is arranged outside the metallographic specimen cutting device.