CN115139200A

CN115139200A - Machining grinder

Info

Publication number: CN115139200A
Application number: CN202210883135.1A
Authority: CN
Inventors: 王博华; 马晶; 秦伟艳; 杨甜
Original assignee: Xian Aeronautical Polytechnic Institute
Current assignee: Xian Aeronautical Polytechnic Institute
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-10-04

Abstract

The invention relates to a grinding device, in particular to a machining grinding device which comprises a supporting component, a clamping component, a lower cleaning component, an upper cleaning component and a dust removing component, wherein the clamping component, the lower cleaning component, the upper cleaning component and the dust removing component are all arranged on the supporting component, the supporting component comprises a workbench and a supporting frame, the supporting frame is fixed at the top of the workbench, the lower cleaning component comprises a first electric telescopic rod, a lifting shell, a motor, a first cleaning strip and a collecting frame, the first electric telescopic rod is fixed in the workbench, and the lifting shell is fixed at the output end of the first electric telescopic rod. The disc-shaped mechanical part cleaning device can flexibly move the disc-shaped mechanical part, can clean the surface of the disc-shaped mechanical part after grinding, removes abrasive dust on the surface, simultaneously adopts a suction mode to adsorb and discharge the abrasive dust generated in grinding, avoids the abrasive dust from entering air, and simultaneously adopts an annular structure to adsorb and discharge the abrasive dust, thereby improving the adsorption comprehensiveness of the abrasive dust.

Description

Machining grinder

Technical Field

The invention relates to a grinding device, in particular to a machining grinding device, and belongs to the technical field of machining grinding.

Background

Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The machining method can be divided into cutting machining and pressure machining, grinding equipment is sometimes needed to machine mechanical parts during machining, disc-shaped mechanical parts need to be clamped and positioned during grinding, then the bottom and the top of the disc-shaped mechanical parts are ground simultaneously, and residues left on the disc-shaped mechanical parts need to be cleaned after grinding.

Chinese patent No. CN112157552A provides a machining grinding device, and belongs to the technical field of grinding. A machining grinding device comprises a working main body, an upper grinding wheel and a lower grinding wheel, wherein the upper end of the working main body is rotatably connected with a driving shaft and a sliding cylinder; according to the invention, the upper grinding wheel, the lower grinding wheel, the driving motor and the hydraulic pump are used for simultaneously grinding the front side and the back side of the workpiece, so that the turnover of the workpiece is reduced, the manual labor is reduced, the collection of grinding dust is realized through the roller, the rotating fan blades, the first water tank and the second water tank, and the pollution to air is reduced.

However, the case adopts last grinding miller, lower grinding miller, driving motor, hydraulic pump among the above-mentioned, realized polishing simultaneously to the positive and negative two sides of work piece simultaneously, reduces the upset of work piece, has reduced human labor simultaneously, has realized the collection to the abrasive dust, has reduced the pollution to the air, but does not have the function of cleaning workpiece surface, adopts hydroenergy to clear up the abrasive dust of lower grinding miller simultaneously, but the abrasive dust that produces at the in-process of polishing can not carry out quick taking out, enters into in the air easily.

The present invention has been made in view of this situation.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a machining and polishing apparatus.

The invention achieves the purpose through the following technical scheme, and the machining grinding device comprises a supporting component, a clamping component, a lower cleaning component, an upper cleaning component and a dust removing component, wherein the clamping component, the lower cleaning component, the upper cleaning component and the dust removing component are all arranged on the supporting component, the supporting component comprises a workbench and a supporting frame, the supporting frame is fixed at the top of the workbench, the lower cleaning component comprises a first electric telescopic rod, a lifting shell, a motor, a first cleaning strip and a collecting frame, the first electric telescopic rod is fixed inside the workbench, the lifting shell is fixed at the output end of the first electric telescopic rod, the motor is fixed inside the lifting shell, the bottom of the first cleaning strip is installed at the output end of the motor, the upper cleaning component comprises a second electric telescopic rod, a lifting frame, a third electric telescopic rod and a second cleaning strip, the second electric telescopic rod is fixed at the top of the supporting frame, the lifting frame is fixed at the output end of the second electric telescopic rod, the third electric telescopic rod is fixed at one side of the lifting frame, the second cleaning strip is fixed at the output end of the third electric telescopic rod, the dust removing component comprises a dust collector and two hollow circular frames, the dust collector is fixed at one side of the workbench, an air suction pipe, and an air suction pipe is connected between the hollow bellows.

As a technical optimization scheme of the invention, the collecting frame is fixed at the top of the workbench, the protective pipe is fixed at the top of the workbench, and the output end of the electric telescopic rod I penetrates through the protective pipe.

As a technical optimization scheme of the invention, a partition plate is arranged in the workbench, a fixing plate is fixed between the partition plate and the inner wall of one side of the workbench, and the front side of the workbench is rotatably connected with a box door through a hinge.

As a technical optimization scheme of the invention, the clamping assembly comprises a first sliding rod, a second sliding rod, a moving block, a connecting frame and a clamping piece, wherein the first sliding rod and the second sliding rod are fixed on the supporting frame, the connecting frame is fixed on the moving block, and the clamping piece is arranged on the connecting frame.

As a technical optimization scheme of the invention, one side of the moving block is provided with a first sliding hole and a second sliding hole, the first sliding rod and the second sliding rod are respectively inserted into the first sliding hole and the second sliding hole, the top of the moving block is in threaded connection with a first fastening bolt, and the front of the moving block is in threaded connection with a second fastening bolt.

As a technical optimization scheme of the invention, one side of the connecting frame is provided with a threaded hole, the clamping piece comprises a screw rod and a clamping frame, the screw rod is in threaded connection with the inside of the threaded hole, one side of the clamping frame is fixedly provided with the connecting seat, one end of the screw rod is fixedly provided with the rotating plate, and the rotating plate rotates inside the connecting seat.

As a technical optimization scheme, a top grinding assembly is installed on a supporting frame and comprises a first hydraulic telescopic rod and a first connecting shell, the first hydraulic telescopic rod is fixedly installed at the top of the supporting frame, the top of the first connecting shell is installed at the output end of the first hydraulic telescopic rod, a first protective shell is fixed at the bottom of the first connecting shell, a first motor is installed at the top of the first protective shell, and the output end of the first motor is connected with a top grinding disc.

As a technical optimization scheme of the invention, the periphery of the first protective shell is provided with the first air exhaust holes, one of the hollow round frames is fixed outside the first protective shell, and the hollow round frame is communicated with the inside of the first protective shell through the first air exhaust holes.

As a technical optimization scheme of the invention, a bottom grinding assembly is arranged on the workbench and comprises a second hydraulic telescopic rod, a second connecting shell and a second protective shell, the second hydraulic telescopic rod is fixedly arranged at the bottom of the fixing plate, the second connecting shell is fixedly arranged at the output end of the second hydraulic telescopic rod, the second protective shell is fixedly arranged at the top of the second connecting shell, a second motor is arranged in the second connecting shell, the output end of the second motor is connected with a bottom grinding disc, and the bottom grinding disc rotates in the second protective shell.

As a technical optimization scheme of the invention, the periphery of the second protective shell is provided with the second air exhaust holes, the other hollow circular frame is fixed outside the second protective shell, and the hollow circular frame is communicated with the inside of the second protective shell through the second air exhaust holes.

The invention has the technical effects and advantages that: (1) Through the arrangement of the lower cleaning assembly and the upper cleaning assembly, a first electric telescopic rod in the lower cleaning assembly drives a lifting shell and a first cleaning strip to lift, a motor drives the first cleaning strip to clean the bottom of the ground disc-shaped mechanical part, a second electric telescopic rod drives a lifting frame and the second cleaning strip to lift, a third electric telescopic rod is started to drive the second cleaning strip to move to clean the upper surface of the ground disc-shaped mechanical part, and the cleanliness of the ground surface of the disc-shaped mechanical part is improved; (2) Through the arranged dust removal assembly, the hollow round frame in the dust removal assembly is fixed on the protective shell, abrasive dust generated during grinding of the disc-shaped mechanical part sequentially passes through the air suction hole, the hollow round frame, the corrugated pipe and the air suction pipe to enter the dust collector, and the hollow round frame can be used for removing the abrasive dust generated during grinding in all directions, so that the abrasive dust is prevented from entering air; (3) Through the arranged clamping assembly, the clamping assembly can be integrally controlled by loosening the first fastening bolt on the movable block, so that the ground disc-shaped mechanical part can be conveniently moved to one side, the disc-shaped mechanical part can be cleaned, meanwhile, the other disc-shaped mechanical part to be ground can be conveniently taken down and replaced, the first fastening bolt and the second fastening bolt are loosened, the distance between two adjacent movable blocks can be conveniently moved and adjusted, the size range for clamping the disc-shaped mechanical part is increased, a clamping frame in the clamping piece can move in the threaded hole through the rotation of the screw rod, and the clamping frame can clamp and fix the disc-shaped mechanical part; (4) Through last grinding component and lower grinding component that sets up, hydraulic telescoping rod in the grinding component drives the protecting crust and goes up and down, makes abrasive disc contact disc machine part, and starter motor drives the abrasive disc rotation and can carry out comprehensive grinding to disc machine part's upper and lower surface, efficiency when improving machine part and grinding.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a clamping assembly according to the present invention;

FIG. 3 is a schematic diagram of a moving block structure according to the present invention;

FIG. 4 is a schematic view of the structure of the clamping member of the present invention;

FIG. 5 is a schematic view of the lower sweeping assembly of the present invention;

FIG. 6 is a schematic view of the upper sweeping assembly of the present invention;

FIG. 7 is a schematic view of a top grinding assembly of the present invention;

FIG. 8 is a schematic view of a bottom grinding assembly of the present invention.

In the figure: 100. a support assembly; 101. a work table; 102. a partition plate; 103. a box door; 104. a support frame; 105. a fixing plate; 200. a clamping assembly; 201. a first sliding rod; 202. a second sliding rod; 203. a moving block; 2031. a first sliding hole; 2032. a second sliding hole; 2033. fastening a first bolt; 2034. fastening a second bolt; 204. a connecting frame; 2041. a threaded hole; 205. a clamping member; 2051. a screw; 2052. a clamping frame; 2053. a connecting seat; 2054. a rotating plate; 300. a lower sweeping assembly; 301. a first electric telescopic rod; 302. a lifting shell; 303. a motor; 304. a first cleaning strip; 305. a collection rack; 306. a protective tube; 400. an upper cleaning assembly; 401. a second electric telescopic rod; 402. a lifting frame; 403. a third electric telescopic rod; 404. a second cleaning strip; 500. a top grinding assembly; 501. a first hydraulic telescopic rod; 502. connecting the shell I; 503. a first protective shell; 504. a first motor; 505. a top grinding disk; 506. an air exhaust hole I; 600. a bottom grinding assembly; 601. a second hydraulic telescopic rod; 602. connecting the shell II; 603. a second motor; 604. a bottom grinding disk; 605. a second protective shell; 606. a second air exhaust hole; 700. a dust removal assembly; 701. a vacuum cleaner; 702. an air exhaust pipe; 703. a bellows; 704. a hollow circular frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, a machining grinding apparatus includes a support assembly 100, a clamping assembly 200, a lower cleaning assembly 300, an upper cleaning assembly 400 and a dust removing assembly 700, wherein the clamping assembly 200, the lower cleaning assembly 300, the upper cleaning assembly 400 and the dust removing assembly 700 are mounted on the support assembly 100;

the supporting assembly 100 comprises a workbench 101 and a supporting frame 104, the supporting frame 104 is fixed to the top of the workbench 101, a partition plate 102 is installed inside the workbench 101, the partition plate 102 can support the inside of the workbench 101, the stability of the workbench 101 in use is improved, a fixing plate 105 is fixed between the partition plate 102 and the inner wall of one side of the workbench 101, the fixing plate 105 is convenient for installing and fixing a second hydraulic telescopic rod 601, the front side of the workbench 101 is rotatably connected with a box door 103 through a hinge, and the box door 103 is adopted to facilitate opening and checking the inside of the workbench 101;

the lower cleaning assembly 300 comprises a first electric telescopic rod 301, a lifting shell 302, a motor 303, a first cleaning strip 304 and a collecting frame 305, wherein the first electric telescopic rod 301 is fixed inside the workbench 101, the lifting shell 302 is fixed at the output end of the first electric telescopic rod 301, the first electric telescopic rod 301 drives the lifting shell 302 to lift, the lifting shell 302 lifts to drive the first cleaning strip 304 to lift, so that the first cleaning strip 304 is in contact with the bottom surface of a disc-shaped mechanical part, the motor 303 is fixed inside the lifting shell 302, the bottom of the first cleaning strip 304 is installed at the output end of the motor 303, the motor 303 drives the first cleaning strip 304 to rotate to clean the bottom of the disc-shaped mechanical part after grinding, the collecting frame 305 is fixed at the top of the workbench 101, a protective pipe 306 is fixed at the top of the workbench 101, the output end of the first electric telescopic rod 301 penetrates through the protective pipe 306, and the protective pipe 306 can prevent abrasive dust from polluting the output end of the first electric telescopic rod 301;

the upper cleaning assembly 400 comprises a second electric telescopic rod 401, a lifting frame 402, a third electric telescopic rod 403 and a second cleaning strip 404, the second electric telescopic rod 401 is fixed at the top of the support frame 104, the first electric telescopic rod 301 drives the lifting shell 302, the lifting frame 402 is fixed at the output end of the second electric telescopic rod 401, the lifting shell 302 is lifted to drive the second cleaning strip 404 to lift, so that the second cleaning strip 404 is in contact with the top surface of the disc-shaped mechanical part, the third electric telescopic rod 403 is fixed at one side of the lifting frame 402, the second cleaning strip 404 is fixed at the output end of the third electric telescopic rod 403, and the third electric telescopic rod 403 can drive the second cleaning strip 404 to move to the upper surface of the disc-shaped mechanical part after grinding, so that the upper surface of the disc-shaped mechanical part is cleaned;

the dust removal assembly 700 comprises a dust collector 701 and two hollow circular frames 704, the dust collector 701 is fixed on one side of the workbench 101, the input end of the dust collector 701 is connected with an air suction pipe 702, a corrugated pipe 703 is fixedly connected between the air suction pipe 702 and the hollow circular frames 704, one hollow circular frame 704 is fixed outside the first protective shell 503, the hollow circular frame 704 is communicated with the inside of the first protective shell 503 through an air suction hole 506, the other hollow circular frame 704 is fixed outside the second protective shell 605, the hollow circular frame 704 can completely remove abrasive dust generated during grinding, the abrasive dust is prevented from entering air, the hollow circular frame 704 is communicated with the inside of the second protective shell 605 through an air suction hole two 606, and the abrasive dust generated during grinding of the disc-shaped mechanical part sequentially enters the dust collector 701 through the air suction hole, the hollow circular frame 704, the corrugated pipe 703 and the air suction pipe 702.

As a technical optimization scheme of the invention, the clamping assembly 200 comprises a first sliding rod 201, a second sliding rod 202, a moving block 203, a connecting frame 204 and a clamping piece 205, the first sliding rod 201 and the second sliding rod 202 are fixed on the support frame 104, the connecting frame 204 is fixed on the moving block 203, the clamping piece 205 is installed on the connecting frame 204, one side of the moving block 203 is provided with a first sliding hole 2031 and a second sliding hole 2032, the first sliding rod 201 and the second sliding rod 202 are respectively inserted into the first sliding hole 2031 and the second sliding hole 2032, the top of the moving block 203 is in threaded connection with a first fastening bolt 2033 and a first loosening fastening bolt 2033, the first fastening bolt 2033 is in contact with the first fastening bolt 2033 to limit the moving block 203, so that the clamping assembly 200 is integrally left and right, thereby facilitating to move a ground disc-shaped mechanical part to one side, the front of the moving block 203 is in threaded connection with a second fastening bolt 2034, the first loosening fastening bolt 2033 and the second fastening bolt 2034, the distance between two adjacent clamping assemblies 203 is movably adjusted, thereby increasing the size range of clamping assembly for clamping disc-shaped mechanical part to clamp the disc-shaped mechanical part, one side of the clamping frame 204 is provided with a threaded hole 2041, the threaded hole 2051, the clamping assembly is provided with a rotating screw 2051, the clamping frame 2054 fixed in the rotating screw 2051, the rotating connection base 2052, and the rotating connection base 2051, and the rotating plate 2052 are provided with the rotating plate 2051, and the rotating plate 2052, and the rotating plate 2051, and the rotating plate 2052.

As a technical optimization scheme of the invention, a top grinding assembly 500 is installed on a support frame 104, the top grinding assembly 500 comprises a first hydraulic telescopic rod 501 and a first connecting shell 502, the first hydraulic telescopic rod 501 is fixedly installed at the top of the support frame 104, the first hydraulic telescopic rod 501 drives the first connecting shell 502 and the first protecting shell 503 to move downwards, so that a top grinding disc 505 contacts the top of a disc-shaped mechanical part, the top of the first connecting shell 502 is installed at the output end of the first hydraulic telescopic rod 501, the first protecting shell 503 is fixed at the bottom of the first connecting shell 502, a first motor 504 is installed at the top of the first protecting shell 503, the output end of the first motor 504 is connected with the top grinding disc 505, the first motor 504 drives the top grinding disc 505 to rotate, the top grinding disc 505 grinds the top of the disc-shaped mechanical part, and suction holes 506 are formed in the periphery of the first protecting shell 503.

As a technical optimization scheme of the invention, a bottom grinding assembly 600 is arranged on a workbench 101, the bottom grinding assembly 600 comprises a second hydraulic telescopic rod 601, a second connecting shell 602 and a second protection shell 605, the second hydraulic telescopic rod 601 is fixedly arranged at the bottom of a fixing plate 105, the second connecting shell 602 is fixed at the output end of the second hydraulic telescopic rod 601, the second protection shell 605 is fixed at the top of the second connecting shell 602, the second hydraulic telescopic rod 601 drives the second connecting shell 602 and the second protection shell 605 to move upwards, so that the bottom grinding disc 604 contacts with the bottom of a disc-shaped mechanical part, a second motor 603 is arranged inside the second connecting shell 602, the output end of the second motor 603 is connected with the bottom grinding disc 604, the bottom grinding disc 604 rotates inside the second protection shell 605, the second motor 603 drives the bottom grinding disc 604 to rotate, the bottom of the disc-shaped mechanical part is ground by the bottom grinding disc 604, and two pumping holes 606 are formed in the periphery of the second protection shell 605.

When the grinding device is used, a disc-shaped mechanical part to be ground is placed in a clamping frame 2052, a first fastening bolt 2033 and a second fastening bolt 2034 are loosened, the distance between two adjacent moving blocks 203 is movably adjusted, the size range for clamping the disc-shaped mechanical part is enlarged, then a screw 2051 is rotated, the screw 2051 rotates to move in a threaded hole 2041, so that the clamping frame 2052 can clamp and fix the disc-shaped mechanical part, then the first fastening bolt 2033 and the second fastening bolt 2034 are tightened, when the clamping component 200 needs to move left and right, the first fastening bolt 2033 is loosened, the first fastening bolt 2033 is contacted with the moving blocks 203 to enable the clamping component 200 to move left and right integrally, so that the disc-shaped mechanical part after grinding can be moved to one side, not only the disc-shaped mechanical part can be cleaned, but also another disc-shaped mechanical part to be ground can be removed and replaced, the disc-shaped mechanical part is moved between two grinding discs, the first fastening bolt 2033 is used for fixing the moving blocks 203, a hydraulic telescopic rod is started, a protective shell is hydraulically pressed and the grinding rod is lifted and lifted, then the grinding disc-shaped mechanical part is cleaned by a grinding suction tube 701 and a grinding tube 701, the grinding tube 701 can be ground separately, the disc-shaped mechanical part can be ground, the grinding tube 701 and ground separately, the disc-grinding tube can be ground separately, the grinding tube 701 can be ground separately, the disc-grinding tube can be ground separately ground by a grinding tube 701 and ground disc-grinding tube 701, when the bottom of a disc-shaped mechanical part is cleaned, a first electric telescopic rod 301 is started, the first electric telescopic rod 301 drives a lifting shell 302 and a first cleaning strip 304 to lift, the first cleaning strip 304 is made to contact the bottom surface of the disc-shaped mechanical part, a motor 303 drives the first cleaning strip 304 to clean the bottom of the disc-shaped mechanical part after grinding, when the top of the disc-shaped mechanical part needs to be cleaned, a second electric telescopic rod 401 is started, the second electric telescopic rod 401 drives a lifting frame 402 and a second cleaning strip 404 to lift, the second cleaning strip 404 is made to contact the top surface of the disc-shaped mechanical part, a third electric telescopic rod 403 is started to drive the second cleaning strip 404 to move to clean the upper surface of the disc-shaped mechanical part after grinding, the cleanliness of the surface of the disc-shaped mechanical part after grinding is improved, a screw 2051 is loosened after cleaning, the disc-shaped mechanical part after cleaning is taken down, then another disc-shaped mechanical part to be ground is replaced, and the steps are repeated.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A machining grinding device, includes supporting component (100), centre gripping subassembly (200), cleans subassembly (300) down, cleans subassembly (400) and dust removal subassembly (700) on, its characterized in that: the clamping assembly (200), the lower cleaning assembly (300), the upper cleaning assembly (400) and the dust removal assembly (700) are all installed on the supporting assembly (100), the supporting assembly (100) comprises a workbench (101) and a supporting frame (104), the supporting frame (104) is fixed at the top of the workbench (101), the lower cleaning assembly (300) comprises a first electric telescopic rod (301), a lifting shell (302), a motor (303), a first cleaning strip (304) and a collecting frame (305), the first electric telescopic rod (301) is fixed inside the workbench (101), the lifting shell (302) is fixed at the output end of the first electric telescopic rod (301), the motor (303) is fixed inside the lifting shell (302), the bottom of the first cleaning strip (304) is installed at the output end of the motor (303), the upper cleaning assembly (400) comprises a second electric telescopic rod (401), a lifting frame (402), a third electric telescopic rod (403) and a second cleaning strip (404), the second electric telescopic rod (401) is fixed at the top of the supporting frame (104), the second lifting frame (402) is fixed at the output end of the lifting frame (403), and the third electric telescopic rod (403) is fixed at one side of the lifting frame (403), the dust removal assembly (700) comprises a dust collector (701) and two hollow round frames (704), the dust collector (701) is fixed on one side of the workbench (101), the input end of the dust collector (701) is connected with an exhaust pipe (702), and a corrugated pipe (703) is fixedly connected between the exhaust pipe (702) and the hollow round frames (704).

2. A machining grinding apparatus as claimed in claim 1, wherein: the collecting frame (305) is fixed to the top of the workbench (101), a protective pipe (306) is fixed to the top of the workbench (101), and the output end of the electric telescopic rod I (301) penetrates through the protective pipe (306).

3. A machining grinding apparatus according to claim 1, characterized in that: the novel refrigerator door is characterized in that a partition plate (102) is arranged inside the workbench (101), a fixing plate (105) is fixed between the partition plate (102) and the inner wall of one side of the workbench (101), and the front side of the workbench (101) is rotatably connected with a refrigerator door (103) through a hinge.

4. A machining grinding apparatus according to claim 1, characterized in that: the clamping assembly (200) comprises a first sliding rod (201), a second sliding rod (202), a moving block (203), a connecting frame (204) and a clamping piece (205), the first sliding rod (201) is fixed on the supporting frame (104), the connecting frame (204) is fixed on the moving block (203), and the clamping piece (205) is installed on the connecting frame (204).

5. A machining grinding apparatus as claimed in claim 4, wherein: one side of the moving block (203) is provided with a first sliding hole (2031) and a second sliding hole (2032), the first sliding rod (201) and the second sliding rod (202) are respectively inserted into the first sliding hole (2031) and the second sliding hole (2032), the top of the moving block (203) is in threaded connection with a first fastening bolt (2033), and the front of the moving block (203) is in threaded connection with a second fastening bolt (2034).

6. A machining grinding apparatus as claimed in claim 4, wherein: threaded hole (2041) is opened to one side of link (204), holder (205) includes screw rod (2051) and holding frame (2052), screw rod (2051) threaded connection is in the inside of threaded hole (2041), one side of holding frame (2052) is fixed with connecting seat (2053), the one end of screw rod (2051) is fixed with rotor plate (2054), rotor plate (2054) rotates the inside at connecting seat (2053).

7. A machining grinding apparatus according to claim 1, characterized in that: install a grinding unit (500) on support frame (104), top grinding unit (500) include hydraulic telescoping rod (501) and connect shell (502), hydraulic telescoping rod (501) fixed mounting is at the top of support frame (104), the output at hydraulic telescoping rod (501) is installed at the top of connecting shell (502), the bottom of connecting shell (502) is fixed with protecting crust (503), motor (504) are installed at the top of protecting crust (503), the output of motor (504) is connected with a abrasive disc (505).

8. A machining grinding apparatus as claimed in claim 7, wherein: the periphery of the first protective shell (503) is provided with first air exhaust holes (506), one hollow circular frame (704) is fixed outside the first protective shell (503), and the hollow circular frame (704) is communicated with the inside of the first protective shell (503) through the first air exhaust holes (506).

9. A machining grinding apparatus as claimed in claim 1, wherein: the grinding device comprises a workbench (101), a bottom grinding assembly (600) is mounted on the workbench (101), the bottom grinding assembly (600) comprises a second hydraulic telescopic rod (601), a second connecting shell (602) and a second protective shell (605), the second hydraulic telescopic rod (601) is fixedly mounted at the bottom of a fixing plate (105), the second connecting shell (602) is fixed at the output end of the second hydraulic telescopic rod (601), the second protective shell (605) is fixed at the top of the second connecting shell (602), a second motor (603) is mounted inside the second connecting shell (602), the output end of the second motor (603) is connected with a bottom grinding disc (604), and the bottom grinding disc (604) rotates inside the second protective shell (605).

10. A machining grinding apparatus according to claim 9, wherein: and the periphery of the second protective shell (605) is provided with a second pumping hole (606), the other hollow circular frame (704) is fixed outside the second protective shell (605), and the hollow circular frame (704) is communicated with the inside of the second protective shell (605) through the second pumping hole (606).