Metallographic specimen grinding and polishing machine

Abstract

The utility model discloses a metallographic specimen grinding and polishing machine which comprises a main body, a rectangular groove is formed in the upper side of the main body, a mounting groove is formed in the bottom of the inner side of the rectangular groove, a motor is fixedly connected to the inner side of the mounting groove, the output end of the motor is fixedly connected with a rotating disc, and a limiting ring is fixedly connected to the upper side of the rotating disc. Grinding and polishing paper is arranged on the upper side of the rotating disc, a limiting unit is arranged on the upper side of the main body and comprises a fixing plate, the fixing plate is fixedly connected to the upper side of the main body, a lifting groove is formed in the front side of the fixing plate, and a lifting block is slidably connected to the inner side of the lifting groove. By arranging the main body, the fixing plate, the lifting block, the lifting plate, the screw rod, the mounting block, the control rod and the pressing balls, the grinding and polishing paper can be conveniently pressed and mounted by the plurality of pressing balls, the grinding and polishing paper can be conveniently detached from the turntable by rotating the screw rod, the operation is simple, and the workload of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the field of metallographic samples, in particular to a metallographic sample grinding and polishing machine. Background Art

[0002] Metallographic specimens are samples used for metallographic analysis, through which the internal structure and defects of metals and their alloys can be studied. In the process of metallographic specimens, a grinder and polisher are needed to achieve a mirror effect on the surface of the specimen to prepare for microscopic observation.

[0003] After searching, the application number is "202321521225.2", which provides a metallographic sample grinding and polishing machine. When in use, the grinding and polishing paper is placed on the upper surface of the turntable, the fixed frame is covered on the edge of the grinding and polishing paper, and then the support frame is rotated to drive the leveling mechanism to the top of the grinding and polishing paper, and the first guide rod and the second guide rod are pressed downward to contract the spring, and the lifting plate moves downward. The four pressure rods gradually open outward under the action of pressure, and the four pressure balls move from the middle to the edge of the grinding and polishing paper, which can flatten the grinding and polishing paper and improve the fit between the grinding and polishing paper and the upper surface of the turntable. When the grinding and polishing paper is leveled, the fixed frame is pressed downward again to make the card slot of the fixed frame engage with the rubber ring, thereby fixing the fixed frame and the grinding and polishing paper, and then the first guide rod and the second guide rod are released to make the lifting plate move upward. The four pressure rods are retracted inward under the elastic force of the torsion spring until they are reset, and then the support frame is rotated in the opposite direction to one side of the working slot, and then the turntable and the grinding and polishing paper are driven to rotate by starting the motor to grind or polish the sample.

[0004] The above-mentioned method controls the pressure ball to limit the grinding and polishing paper by pulling the first and second guide rods on the upper side. However, when removing the grinding and polishing paper, this structure requires one hand to pull the upper guide rod and the other hand to take out the grinding and polishing paper, which is troublesome to operate and increases the workload of the staff for disassembly. Utility Model Content

[0005] In order to overcome the disadvantage of the prior art that the grinding and polishing paper is inconvenient to disassemble, one of the purposes of the utility model is to provide a metallographic sample grinding and polishing machine.

[0006] One of the purposes of the utility model is achieved by the following technical solution: a metallographic sample grinding and polishing machine, comprising a main body: a rectangular groove is provided on the upper side of the main body, a mounting groove is provided at the bottom of the inner side of the rectangular groove, a motor is fixedly connected to the inner side of the mounting groove, a turntable is fixedly connected to the output end of the motor, a limit ring is fixedly connected to the upper side of the turntable, a grinding and polishing paper is provided on the upper side of the turntable, and a limit unit is provided on the upper side of the main body;

[0007] The limiting unit includes a fixing plate, the fixing plate is fixedly connected to the upper side of the main body, a lifting slot is opened on the front side of the fixing plate, a lifting block is slidably connected to the inner side of the lifting slot, the front side of the lifting block is fixedly connected to the lifting plate, a screw is rotatably connected to the inner side of the lifting slot, a turning handle is fixedly connected to the upper end of the screw, a mounting block is arranged on the lower side of the lifting plate, a plurality of rotating blocks 1 are fixedly connected to the outer side of the mounting block, a control rod is rotatably connected to the outer side of the plurality of rotating blocks 1, a rotating block 2 is rotatably connected to the outer side of the lower end of the control rod, a bottom plate is fixedly connected to the lower side of the rotating block 2, a bolt is arranged on the lower side of the bottom plate, and a pressure ball is fixedly connected to the lower end of the bolt.

[0008] According to the metallographic sample grinding and polishing machine, the screw rod is threadedly connected to the lifting block, so as to facilitate the control of the lifting block to move up and down.

[0009] According to the metallographic sample grinding and polishing machine, a mounting rod is arranged between the mounting block and the lifting plate.

[0010] According to the metallographic sample grinding and polishing machine, the mounting rod is threadedly connected with the mounting block and the lifting plate, so that the mounting block can be easily disassembled.

[0011] According to the metallographic sample grinding and polishing machine, the bolt is threadedly connected to the base plate.

[0012] According to the metallographic sample grinding and polishing machine, the pressure ball is slidably connected to the grinding and polishing paper.

[0013] Beneficial effects:

[0014] By providing a main body, a fixing plate, a lifting block, a lifting plate, a screw rod, a mounting block, a control rod and a pressure ball, it is convenient for multiple pressure balls to press down and install the grinding and polishing paper, and by turning the screw rod, the grinding and polishing paper can be easily removed from the turntable. The operation is simple and the workload of the staff is reduced.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is an overall three-dimensional structural diagram of a metallographic sample grinding and polishing machine of the utility model;

[0018] Figure 2 This is a sectional three-dimensional structural diagram of a metallographic sample grinding and polishing machine of the utility model;

[0019] Figure 3It is a three-dimensional structural diagram of a limit unit in a metallographic sample grinding and polishing machine of the utility model;

[0020] Figure 4 for Figure 3 The enlarged view of point A in the middle;

[0021] Figure 5 for Figure 3 Enlarged view of point B in the middle.

[0022] Legend:

[0023] 1. Main body; 2. Rectangular groove; 3. Limiting unit; 301. Fixed plate; 302. Lifting groove; 303. Screw; 304. Lifting block; 305. Lifting plate; 306. Turning handle; 307. Mounting block; 308. Turning block 1; 309. Control lever; 310. Mounting lever; 311. Turning block 2; 312. Bottom plate; 313. Bolt; 314. Pressing ball; 4. Mounting groove; 5. Motor; 6. Turntable; 7. Limiting ring; 8. Polishing paper. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-5 A metallographic sample grinding and polishing machine comprises a main body 1: a rectangular groove 2 is provided on the upper side of the main body 1, a mounting groove 4 is provided on the bottom of the inner side of the rectangular groove 2, a motor 5 is fixedly connected to the inner side of the mounting groove 4, a turntable 6 is fixedly connected to the output end of the motor 5, a limiting ring 7 is fixedly connected to the upper side of the turntable 6, a grinding and polishing paper 8 is arranged on the upper side of the turntable 6, a limiting unit 3 is arranged on the upper side of the main body 1, when in use, the grinding and polishing paper 8 is limited by the limiting unit 3, and then the motor 5 is started, the motor 5 drives the turntable 6 to rotate, the turntable 6 drives the grinding and polishing paper 8 to rotate, and then the limited metallographic sample is placed on the upper side of the grinding and polishing paper 8 for grinding and polishing.

[0026] The limiting unit 3 includes a fixed plate 301, which is fixedly connected to the upper side of the main body 1. A lifting groove 302 is provided on the front side of the fixed plate 301. A lifting block 304 is slidably connected to the inner side of the lifting groove 302. A lifting plate 305 is fixedly connected to the front side of the lifting block 304. A screw rod 303 is rotatably connected to the inner side of the lifting groove 302. A handle 306 is fixedly connected to the upper end of the screw rod 303. A mounting block 307 is provided on the lower side of the lifting plate 305. The outer side of the mounting block 307 is fixedly connected with a plurality of rotating blocks 308, and the outer sides of the plurality of rotating blocks 308 are all rotatably connected with a control rod 309, and the outer side of the lower end of the control rod 309 is rotatably connected with a rotating block 311, and the lower side of the rotating block 311 is fixedly connected with a bottom plate 312, and a bolt 313 is provided on the lower side of the bottom plate 312, and a pressure ball 314 is fixedly connected to the lower end of the bolt 313, and the screw rod 303 is threadedly connected to the lifting block 304, and the mounting block 307 is connected to the lifting plate 312. 05 is provided with a mounting rod 310, the mounting rod 310 is threadedly connected with the mounting block 307 and the lifting plate 305, the pressure ball 314 is slidably connected with the grinding and polishing paper 8, when the grinding and polishing paper 8 is installed, the turning handle 306 is turned, the turning handle 306 drives the screw rod 303 to rotate, the screw rod 303 drives the lifting block 304 to descend, the lifting block 304 drives the lifting plate 305 to descend, the lifting plate 305 drives the mounting block 307 to descend, and the mounting block 307 drives a plurality of control rods 309 is opened outward, and the control rod 309 drives the pressure ball 314 on the bottom plate 312 to slide on the grinding and polishing paper 8, so that multiple pressure balls 314 install the grinding and polishing paper 8. When it is necessary to remove the pressure ball 314, the handle 306 is rotated in the opposite direction, and the handle 306 drives the screw rod 303 to rotate, so that the lifting plate 305 drives the installation block 307 to rise, so that the installation block 307 drives the pressure ball 314 to separate from the grinding and polishing paper 8, and then the grinding and polishing paper 8 is directly removed. The operation is simple.

[0027] The bolt 313 is threadedly connected to the bottom plate 312 , and the pressure ball 314 can be easily installed and removed by rotating the bolt 313 .

[0028] Working principle: When in use, the staff first places the grinding and polishing paper 8 on the upper side of the turntable 6, and then turns the handle 306, the handle 306 drives the screw 303 to rotate, the screw 303 drives the lifting plate 305 to descend, so that multiple pressure balls 314 press down and install the grinding and polishing paper 8, and then start the motor 5, the motor 5 drives the grinding and polishing paper 8 on the turntable 6 to rotate, which is convenient for grinding and polishing the metallographic sample. When the grinding and polishing paper 8 needs to be removed, the handle 306 is turned in the opposite direction, the lifting plate 305 drives the installation block 307 to rise, so that the pressure ball 314 is separated from the grinding and polishing paper 8, and then the grinding and polishing paper 8 can be directly taken out, which is simple to operate.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A metallographic sample grinding and polishing machine, characterized in that: The invention comprises a main body (1), wherein a rectangular groove (2) is provided on the upper side of the main body (1), a mounting groove (4) is provided on the bottom of the inner side of the rectangular groove (2), a motor (5) is fixedly connected to the inner side of the mounting groove (4), a rotating disk (6) is fixedly connected to the output end of the motor (5), a limiting ring (7) is fixedly connected to the upper side of the rotating disk (6), a polishing paper (8) is arranged on the upper side of the rotating disk (6), and a limiting unit (3) is arranged on the upper side of the main body (1); The limiting unit (3) comprises a fixing plate (301), the fixing plate (301) is fixedly connected to the upper side of the main body (1), a lifting groove (302) is provided on the front side of the fixing plate (301), a lifting block (304) is slidably connected to the inner side of the lifting groove (302), a lifting plate (305) is fixedly connected to the front side of the lifting block (304), a screw rod (303) is rotatably connected to the inner side of the lifting groove (302), a handle (306) is fixedly connected to the upper end of the screw rod (303), and the lifting plate (305) is fixedly connected to the inner side of the lifting groove (302). A mounting block (307) is provided at the lower side of the mounting block (307), a plurality of rotating blocks (308) are fixedly connected to the outer side of the mounting block (307), a control rod (309) is rotatably connected to the outer side of the plurality of rotating blocks (308), a rotating block (311) is rotatably connected to the outer side of the lower end of the control rod (309), a bottom plate (312) is fixedly connected to the lower side of the rotating block (311), a bolt (313) is provided at the lower side of the bottom plate (312), and a pressure ball (314) is fixedly connected to the lower end of the bolt (313).

2. A metallographic specimen grinding and polishing machine according to claim 1, characterized in that: The screw rod (303) is threadedly connected to the lifting block (304).

3. A metallographic specimen grinding and polishing machine according to claim 1, characterized in that: A mounting rod (310) is provided between the mounting block (307) and the lifting plate (305).

4. A metallographic specimen grinding and polishing machine according to claim 3, characterized in that: The mounting rod (310) is threadedly connected to the mounting block (307) and the lifting plate (305).

5. A metallographic specimen grinding and polishing machine according to claim 1, characterized in that: The bolt (313) is threadedly connected to the bottom plate (312).

6. A metallographic specimen grinding and polishing machine according to claim 1, characterized in that: The pressure ball (314) is slidably connected to the polishing paper (8).

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