A denture double-pen grinding device

Abstract

The utility model relates to the field of denture processing industry, and in particular to a denture double-pen grinding device. Technical problem: When the denture double-pen grinding device in the prior art is in use, it is usually not convenient to quickly and centrally collect the waste chips in the sealed box, it is not convenient to clean and maintain the sealed box, and it is difficult to sterilize the denture grinding box. Technical solution: A denture double-pen grinding device includes a support assembly; it also includes an air supply assembly, a sealing assembly, an air outlet assembly, an installation assembly, a glove assembly and a grinding assembly. The utility model installs the installation tube threadedly on the outer wall of the connecting pipe so that the air outlet and the interior of the second air outlet pipe are interconnected, so that the gas can flow out from the second air outlet pipe, and the denture is placed below the air outlet of the second air outlet pipe for grinding, which is convenient for blowing off impurities quickly. The impurities finally fall into the installation tank, which can be convenient for collecting the impurities, thereby solving the above-mentioned technical problems.

Description

Technical Field

[0001] The utility model belongs to the field of denture processing, and in particular relates to a denture double-pen type grinding device. Background Art

[0002] In the field of oral medicine, denture double-pen grinding equipment is an important tool for grinding and polishing dental prostheses. Existing denture double-pen grinding equipment usually requires manual operation, and the person needs to wear gloves to grind the denture in a sealed box. During the grinding process, the person holds the grinding pen in the right hand to grind the denture surface, and holds the denture with the left hand, so that the denture is placed directly under the air source. While grinding, the external airflow can quickly flush away the grinding chips on the denture surface, so that the grinding accuracy is better. However, when using the denture double-pen grinding equipment in the prior art, it is usually not convenient to quickly and centrally collect the waste chips in the sealed box, it is not convenient to clean and maintain the sealed box, and it is difficult to sterilize the denture grinding box, which needs further improvement. Utility Model Content

[0003] In order to overcome the problems that the denture double-pen grinding equipment in the prior art is usually inconvenient to quickly and centrally collect the waste chips in the sealed box, it is inconvenient to clean and maintain the sealed box, and it is difficult to sterilize the denture grinding box.

[0004] The technical solution of the utility model is: a denture double-pen type grinding device, including a support assembly; also including an air supply assembly, a sealing assembly, an air outlet assembly, a mounting assembly, a glove assembly and a grinding assembly; an air supply assembly for air supply is arranged at the upper end of the support assembly; a sealing assembly is arranged at the upper end of the support assembly; an air outlet assembly for air outlet is arranged inside the sealing assembly; a mounting assembly for collecting waste is arranged at the lower end of the support assembly; a glove assembly is arranged on the sealing assembly; a grinding assembly for grinding is arranged inside the sealing assembly.

[0005] Preferably, when in use, the mounting assembly is mounted at the lower end of the supporting assembly, and the glove assembly is mounted on the sealing assembly. The denture is held by hand through the glove assembly and placed under the air outlet assembly for polishing using the polishing assembly. The air outlet position of the air outlet assembly can be quickly adjusted, and waste chips generated during polishing will fall into the mounting assembly. When not in use, the sealing assembly can be opened to sterilize the inside of the sealing assembly with ultraviolet light, thereby solving the problem in the prior art that the double-pen type denture polishing equipment is usually inconvenient to quickly and centrally collect waste chips in the sealing box, and is inconvenient to clean and maintain the inside of the sealing box, and is difficult to sterilize the inside of the denture polishing box.

[0006] Preferably, the support assembly includes a support plate and a support block; a symmetrical support block is fixedly connected to the lower end of the support plate, and the arrangement of the support plate and the support block facilitates the movement of the device.

[0007] Preferably, the air supply assembly includes a fixed box, a first battery, an air pump, a first air outlet pipe and a fixed tank; the upper end of the support plate is fixedly connected to the fixed box; the lower end inner wall of the fixed box is fixedly connected to the first battery, the air pump and the fixed tank; the first air outlet pipe is fixedly connected to the air outlet port of the air pump; the other end of the first air outlet pipe is fixedly connected to the air inlet port of the fixed tank, and when the air pump is turned on, air can be delivered to the interior of the fixed tank through the first air outlet pipe.

[0008] Preferably, the sealing assembly comprises a sealing box, a magnet block, an iron frame, a handle, a glass, a first screw groove, a U-shaped frame, an ultraviolet lamp and an L-shaped plate; the upper end of the support plate is fixedly connected to the sealing box; the upper part of the inner wall of the sealing box is fixedly connected to the magnet block; the magnet block is divided into three; the upper end of the magnet block is movably provided with an iron frame; the outer wall of the iron frame is fitted with the inner wall of the sealing box; the upper end of the iron frame is fixedly connected to the handle; the inner wall of the iron frame is fixedly connected to the glass; the lower end of the sealing box is provided with a first screw groove; the inner wall of the sealing box close to the fixed box is fixedly connected to the U-shaped frame; the U-shaped frame is in a "U" shape; the U The inner wall of the U-shaped frame is fixedly connected with a distributed ultraviolet lamp; the inner wall of the U-shaped frame is movably provided with an L-shaped plate; the L-shaped plate is made of magnetic material; the air outlet pipe on the fixed tank passes through the outer wall of the sealed box and extends to the inside of the sealed box, and the L-shaped plate can be adsorbed on the U-shaped frame to achieve sealing of the ultraviolet lamp. When the inside of the sealed box needs to be sterilized, the L-shaped plate is manually removed, and the ultraviolet lamp is turned on to irradiate the inside of the sealed box for a suitable time to sterilize the inside of the sealed box. The iron frame can be magnetically attracted to the upper end of the magnetic block, so that the iron frame can be placed quickly and stably.

[0009] Preferably, the air outlet assembly includes a connecting pipe, an air outlet hole, a mounting tube, a second air outlet pipe and a bolt; the inner wall of the air outlet pipe of the fixed tank is threadedly installed with a connecting pipe; the connecting pipe is penetrated by evenly distributed air outlet holes; the outer wall of the air outlet hole is threadedly installed with a mounting tube; the second air outlet pipe is fixedly connected to the mounting tube; the interior of the second air outlet pipe and the interior of the mounting tube are interconnected; the inner wall of the other end of the connecting pipe is threadedly installed with a bolt, and the mounting tube is threadedly installed on the outer wall of the connecting pipe, so that the air outlet hole and the interior of the second air outlet pipe are interconnected, and the gas can flow out from the second air outlet pipe, and the denture is placed under the air outlet of the second air outlet pipe for grinding to facilitate the rapid blowing off of impurities, and the bolt can be sealed on the inner wall of the other end of the connecting pipe, at which time the gas outflow speed can be increased, and when the bolt is removed from the connecting pipe, the air pressure will decrease accordingly.

[0010] Preferably, the installation assembly includes a second screw groove, a lower hopper and an installation tank; the second screw groove is penetrated at the upper and lower ends of the support plate; the inner wall of the second screw groove and the inner wall of the first screw groove are in the same plane; the inner wall of the second screw groove is threadedly installed with the lower hopper; the lower end inner wall of the lower hopper is threadedly installed with the installation tank, and a small amount of water is contained in the installation tank. Impurities will fall into the lower hopper through the first screw groove and the second screw groove, and finally fall into the installation tank, so that the impurities can be easily collected.

[0011] Preferably, the glove assembly comprises a third screw groove, an internally threaded barrel, an externally threaded ring, a rubber body and a rubber glove; a symmetrical third screw groove is formed through the inner and outer walls of the sealed box; a symmetrical internally threaded barrel is fixedly connected to the outer wall of the sealed box; the inner wall of the internally threaded barrel and the inner wall of the third screw groove are in the same plane; an externally threaded ring is threadedly mounted on the inner wall of the internally threaded barrel; the rubber body is fixedly connected to one end of the externally threaded ring close to the center of the sealed box; the rubber glove is fixedly connected to one end of the rubber body close to the center of the sealed box, and the externally threaded ring can be threadedly mounted on the inner wall of the internally threaded barrel, so as to facilitate quick installation of the rubber glove.

[0012] Preferably, the grinding assembly includes a long column, a motor, a grinding head and a second battery; two long columns are movably provided on the inner wall of the lower end of the sealed box; one end of the long column is fixedly connected to the motor; one end of the motor is fixedly connected to the second battery; the output shaft of the grinding head passes through the long column and is fixedly connected to the grinding head. After holding the long column, the motor is turned on to rotate the grinding head, so that the denture can be ground.

[0013] Beneficial effects of the utility model:

[0014] 1. By threading the installation tube on the outer wall of the pipe, the air outlet and the interior of the second air outlet pipe are interconnected, and the gas can flow out from the second air outlet pipe. The denture is placed under the air outlet of the second air outlet pipe for grinding, which is convenient for blowing off impurities quickly. After holding the long column, the motor is turned on to rotate the grinding head, and the denture can be ground. A small amount of water is contained in the installation tank, and impurities will fall into the lower hopper through the first screw groove and the second screw groove, and finally fall into the installation tank, which can facilitate the collection of impurities. This solves the problem that the denture double-pen type grinding equipment in the prior art is usually inconvenient to quickly and centrally collect the waste chips in the sealed box when in use, and it is inconvenient to clean and maintain the sealed box;

[0015] 2. By setting an L-shaped plate, the L-shaped plate can be adsorbed on the U-shaped frame to achieve sealing of the ultraviolet lamp. When the inside of the sealed box needs to be sterilized, the L-shaped plate is manually removed, and the ultraviolet lamp is turned on to irradiate the inside of the sealed box for a suitable time to sterilize the inside of the sealed box. The iron frame can be magnetically attracted to the upper end of the magnetic block, which is convenient for fast and stable placement of the iron frame, solving the problem that it is difficult to sterilize the denture polishing box when the denture double-pen polishing device in the prior art is used;

[0016] 3. By setting the bolts, the bolts can be sealed on the inner wall of the other end of the pipe, which can increase the speed of gas outflow. When the bolts are removed from the pipe, the air pressure will decrease accordingly, so that the pressure of the blowing air can be easily and quickly adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1What is shown is a three-dimensional structural schematic diagram of a double-pen type denture grinding device of the utility model;

[0018] Figure 2 What is shown is a three-dimensional structural schematic diagram of a support component and an air supply component of a double-pen type denture polishing device of the utility model;

[0019] Figure 3 What is shown is a three-dimensional disassembled structural schematic diagram of a sealing component of a double-pen type denture polishing device of the present utility model;

[0020] Figure 4 What is shown is a three-dimensional disassembled structural schematic diagram of an air outlet component of a double-pen type denture grinding device of the present utility model;

[0021] Figure 5 What is shown is a three-dimensional disassembled structural schematic diagram of the installation components of a denture double-pen grinding device of the utility model;

[0022] Figure 6 What is shown is a three-dimensional disassembled structural schematic diagram of a glove assembly of a denture double-pen polishing device of the utility model;

[0023] Figure 7 What is shown is a three-dimensional structural schematic diagram of a grinding component of a denture double-pen type grinding device of the utility model;

[0024] Figure 8 What is shown is a three-dimensional structural schematic diagram of an ultraviolet lamp of a denture double-pen polishing device of the present utility model.

[0025] The markings in the accompanying drawings are: 1-support assembly, 101-support plate, 102-support block, 2-air supply assembly, 201-fixed box, 202-first battery, 203-air pump, 204-first air outlet pipe, 205-fixed tank, 3-sealing assembly, 301-sealed box, 302-magnet block, 303-iron frame, 304-handle, 305-glass, 306-first screw groove, 307-U-shaped frame, 308-ultraviolet lamp, 309-L-shaped plate, 4-air outlet assembly Parts, 401-connecting pipe, 402-air outlet, 403-installing cylinder, 404-second air outlet pipe, 405-bolt, 5-installing assembly, 501-second screw groove, 502-lower hopper, 503-installing tank, 6-glove assembly, 601-third screw groove, 602-inner thread cylinder, 603-outer thread ring, 604-rubber body, 605-rubber gloves, 7-grinding assembly, 701-long column, 702-motor, 703-grinding head, 704-second battery. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] See also Figure 1 The utility model provides an embodiment: a denture double-pen type grinding device, including a support component 1; also including an air supply component 2, a sealing component 3, an air outlet component 4, a mounting component 5, a glove component 6 and a grinding component 7; the upper end of the support component 1 is provided with an air supply component 2 for supplying air; the upper end of the support component 1 is provided with a sealing component 3; the interior of the sealing component 3 is provided with an air outlet component 4 for exhausting air; the lower end of the support component 1 is provided with a mounting component 5 for collecting waste; the sealing component 3 is provided with a glove component 6; the interior of the sealing component 3 is provided with a grinding component 7 for grinding.

[0028] See also Figure 2 In this embodiment, the support assembly 1 includes a support plate 101 and a support block 102; the lower end of the support plate 101 is fixedly connected to a symmetrical support block 102; the air supply assembly 2 includes a fixed box 201, a first battery 202, an air pump 203, a first air outlet pipe 204 and a fixed tank 205; the upper end of the support plate 101 is fixedly connected to the fixed box 201; the lower end inner wall of the fixed box 201 is fixedly connected to the first battery 202, the air pump 203 and the fixed tank 205; the first air outlet pipe 204 is fixedly connected to the air outlet port of the air pump 203; the other end of the first air outlet pipe 204 is fixedly connected to the air inlet port of the fixed tank 205.

[0029] See also Figure 3 and 8 In this embodiment, the sealing assembly 3 includes a sealing box 301, a magnet block 302, an iron frame 303, a handle 304, a glass 305, a first screw groove 306, a U-shaped frame 307, an ultraviolet lamp 308 and an L-shaped plate 309; the upper end of the support plate 101 is fixedly connected to the sealing box 301; the upper part of the inner wall of the sealing box 301 is fixedly connected to the magnet block 302; the magnet block 302 is divided into three; the upper end of the magnet block 302 is movably provided with an iron frame 303; the outer wall of the iron frame 303 is attached to the inner wall of the sealing box 301; the upper end of the iron frame 303 is fixedly connected to A handle 304; a glass 305 is fixedly connected to the inner wall of the iron frame 303; a first screw groove 306 is penetrated through the lower end of the sealed box 301; a U-shaped frame 307 is fixedly connected to the inner wall of one end of the sealed box 301 close to the fixed box 201; the U-shaped frame 307 is "U"-shaped; a distributed ultraviolet lamp 308 is fixedly connected to the inner wall of the U-shaped frame 307; an L-shaped plate 309 is movably provided on the inner wall of the U-shaped frame 307; the L-shaped plate 309 is made of magnetic material; the air outlet pipe on the fixed tank 205 penetrates the outer wall of the sealed box 301 and extends to the inside of the sealed box 301.

[0030] See also Figure 4In the present embodiment, the gas outlet assembly 4 comprises a connecting pipe 401, an air outlet hole 402, a mounting cylinder 403, a second air outlet pipe 404 and a bolt 405; the inner wall of the air outlet pipe of the fixed tank 205 is threadedly mounted with the connecting pipe 401; the connecting pipe 401 is penetrated with evenly distributed air outlet holes 402; the outer wall of the air outlet hole 402 is threadedly mounted with the mounting cylinder 403; the second air outlet pipe 404 is fixedly connected to the mounting cylinder 403; the interior of the second air outlet pipe 404 and the interior of the mounting cylinder 403 are interconnected; the inner wall of the other end of the connecting pipe 401 is threadedly mounted with a bolt 405.

[0031] See also Figure 5 In this embodiment, the mounting assembly 5 includes a second screw groove 501, a lower hopper 502 and a mounting pot 503; the second screw groove 501 is penetrated through the upper and lower ends of the support plate 101; the inner wall of the second screw groove 501 and the inner wall of the first screw groove 306 are in the same plane; the lower hopper 502 is threadedly installed on the inner wall of the second screw groove 501; the mounting pot 503 is threadedly installed on the inner wall of the lower end of the lower hopper 502.

[0032] See also Figure 6 In this embodiment, the glove assembly 6 includes a third screw groove 601, an internal threaded barrel 602, an external threaded ring 603, a rubber body 604 and a rubber glove 605; the inner and outer walls of the sealed box 301 are penetrated with symmetrical third screw grooves 601; the outer wall of the sealed box 301 is fixedly connected with symmetrical internal threaded barrels 602; the inner wall of the internal threaded barrel 602 and the inner wall of the third screw groove 601 are in the same plane; the inner wall of the internal threaded barrel 602 is threadedly mounted with an external threaded ring 603; the end of the external threaded ring 603 close to the center of the sealed box 301 is fixedly connected with the rubber body 604; the end of the rubber body 604 close to the center of the sealed box 301 is fixedly connected with the rubber glove 605.

[0033] See also Figure 7 In this embodiment, the grinding assembly 7 includes a long column 701, a motor 702, a grinding head 703 and a second battery 704; two long columns 701 are movably provided on the inner wall of the lower end of the sealing box 301; one end of the long column 701 is fixedly connected to the motor 702; one end of the motor 702 is fixedly connected to the second battery 704; the output shaft of the grinding head 703 passes through the long column 701 and is fixedly connected to the grinding head 703.

[0034] When working, firstly, the installation cylinder 403 is threadedly installed at a suitable position on the outer wall of the pipe 401, so that the air outlet hole 402 and the interior of the second air outlet pipe 404 are interconnected, and the air pump 203 is turned on to deliver air to the interior of the fixed tank 205 through the first air outlet pipe 204, and the gas can flow out from the second air outlet pipe 404, and the iron frame 303 is magnetically attracted to the upper end of the magnet block 302, so as to achieve the sealing of the sealing box 301;

[0035] Next, a small amount of water is placed in the installation tank 503, and the external threaded ring 603 is threadedly installed on the inner wall of the internal threaded cylinder 602. The rubber glove 605 is placed inside the sealed box 301, and both hands are inserted into the rubber glove 605 through the rubber body 604. The left hand grabs the denture through the rubber glove 605, and the right hand holds the long column 701. The motor 702 is turned on to rotate the grinding head 703, and the surface of the denture is grinded by the grinding head 703. During the grinding, the denture is placed under the air outlet of the second air outlet pipe 404 for grinding. Impurities will fall into the lower hopper 502 through the first screw groove 306 and the second screw groove 501, and finally fall into the installation tank 503, so that the impurities can be easily collected.

[0036] When the air pressure below the second air outlet pipe 404 needs to be adjusted, the bolt 405 is sealed on the inner wall of the other end of the connecting pipe 401, which can increase the speed of gas outflow. When the bolt 405 is removed from the connecting pipe 401, the air pressure will decrease accordingly.

[0037] The L-shaped plate 309 can be adsorbed on the U-shaped frame 307 to achieve sealing of the ultraviolet lamp 308. When the interior of the sealed box 301 needs to be sterilized, the L-shaped plate 309 is manually removed, and the ultraviolet lamp 308 is turned on to irradiate the interior of the sealed box 301 for a suitable period of time to sterilize the interior of the sealed box 301.

[0038] Through the above steps, when in use, the installation component 5 is installed at the lower end of the support component 1, and the glove component 6 is installed on the sealing component 3. The hand holds the denture through the glove component 6 and places it under the air outlet component 4 for polishing using the polishing component 7. The air outlet position of the air outlet component 4 can be quickly adjusted, and the waste generated during polishing will fall into the installation component 5. When not in use, the sealing component 3 can be opened to sterilize the sealing component 3 with ultraviolet light, which solves the problem that the denture double-pen type polishing equipment in the prior art is usually inconvenient to quickly and centrally collect the waste in the sealed box, it is inconvenient to clean and maintain the sealed box, and it is difficult to sterilize the denture polishing box.

[0039] 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 those skilled in the art without departing from the purpose of the present invention.

Claims

1. A double-pen type denture polishing device, comprising a support assembly (1); characterized in that: The invention also comprises an air supply component (2), a sealing component (3), an air outlet component (4), a mounting component (5), a glove component (6) and a polishing component (7); an air supply component (2) for air supply is arranged at the upper end of the support component (1); a sealing component (3) is arranged at the upper end of the support component (1); an air outlet component (4) for air outlet is arranged inside the sealing component (3); a mounting component (5) for collecting waste is arranged at the lower end of the support component (1); a glove component (6) is arranged on the sealing component (3); and a polishing component (7) for polishing is arranged inside the sealing component (3).

2. The double-pen type denture grinding device according to claim 1, characterized in that: The support assembly (1) comprises a support plate (101) and a support block (102); a symmetrical support block (102) is fixedly connected to the lower end of the support plate (101).

3. The double-pen type denture grinding device according to claim 2, characterized in that: The air supply assembly (2) comprises a fixing box (201), a first storage battery (202), an air pump (203), a first air outlet pipe (204) and a fixing tank (205); the upper end of the support plate (101) is fixedly connected to the fixing box (201); the lower end inner wall of the fixing box (201) is fixedly connected to the first storage battery (202), the air pump (203) and the fixing tank (205); the air outlet port of the air pump (203) is fixedly connected to the first air outlet pipe (204); the other end of the first air outlet pipe (204) is fixedly connected to the air inlet port of the fixing tank (205).

4. The double-pen type denture grinding device according to claim 3, characterized in that: The sealing assembly (3) comprises a sealing box (301), a magnet block (302), an iron frame (303), a handle (304), a glass (305), a first screw groove (306), a U-shaped frame (307), an ultraviolet lamp (308) and an L-shaped plate (309); the upper end of the support plate (101) is fixedly connected to the sealing box (301); the upper part of the inner wall of the sealing box (301) is fixedly connected to the magnet block (302); the magnet block (302) is divided into three; the upper end of the magnet block (302) is movably provided with an iron frame (303); the outer wall of the iron frame (303) is in contact with the inner wall of the sealing box (301); A handle (304) is fixedly connected to the upper end of the iron frame (303); a glass (305) is fixedly connected to the inner wall of the iron frame (303); a first screw groove (306) is penetrated and opened at the lower end of the sealed box (301); a U-shaped frame (307) is fixedly connected to the inner wall of one end of the sealed box (301) close to the fixed box (201); the U-shaped frame (307) is in a "U" shape; a distributed ultraviolet lamp (308) is fixedly connected to the inner wall of the U-shaped frame (307); an L-shaped plate (309) is movably provided on the inner wall of the U-shaped frame (307); the L-shaped plate (309) is made of magnetic material; an air outlet pipe on the fixed tank (205) penetrates the outer wall of the sealed box (301) and extends to the inside of the sealed box (301).

5. The double-pen type denture grinding device according to claim 3, characterized in that: The air outlet assembly (4) comprises a connecting pipe (401), an air outlet hole (402), a mounting tube (403), a second air outlet pipe (404) and a bolt (405); the connecting pipe (401) is threadedly mounted on the inner wall of the air outlet pipe of the fixed tank (205); the connecting pipe (401) is provided with evenly distributed air outlet holes (402); the mounting tube (403) is threadedly mounted on the outer wall of the air outlet hole (402); the second air outlet pipe (404) is fixedly connected to the mounting tube (403); the interior of the second air outlet pipe (404) and the interior of the mounting tube (403) are mutually connected; and the bolt (405) is threadedly mounted on the inner wall of the other end of the connecting pipe (401).

6. The double-pen type denture grinding device according to claim 4, characterized in that: The mounting assembly (5) comprises a second screw groove (501), a lower hopper (502) and a mounting tank (503); the second screw groove (501) is formed through the upper and lower ends of the support plate (101); the inner wall of the second screw groove (501) and the inner wall of the first screw groove (306) are in the same plane; the lower hopper (502) is threadedly mounted on the inner wall of the second screw groove (501); The inner wall of the lower end of the lower hopper (502) is threadedly mounted with a mounting tank (503).

7. The double-pen type denture grinding device according to claim 4, characterized in that: The glove assembly (6) comprises a third screw groove (601), an internally threaded cylinder (602), an externally threaded ring (603), a rubber body (604) and a rubber glove (605); the inner and outer walls of the sealing box (301) are provided with symmetrical third screw grooves (601); the outer wall of the sealing box (301) is fixedly connected with a symmetrical internally threaded cylinder (602); the inner wall of the internally threaded cylinder (602) and the inner wall of the third screw groove (601) are in the same plane; the inner wall of the internally threaded cylinder (602) is threadedly mounted with an externally threaded ring (603); one end of the externally threaded ring (603) close to the center of the sealing box (301) is fixedly connected with the rubber body (604); and one end of the rubber body (604) close to the center of the sealing box (301) is fixedly connected with the rubber glove (605).

8. The double-pen type denture grinding device according to claim 4, characterized in that: The grinding assembly (7) comprises a long column (701), a motor (702), a grinding head (703) and a second storage battery (704); two long columns (701) are movably arranged on the inner wall of the lower end of the sealing box (301); one end of the long column (701) is fixedly connected to the motor (702); one end of the motor (702) is fixedly connected to the second storage battery (704); the output shaft of the grinding head (703) passes through the long column (701) and is fixedly connected to the grinding head (703).

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