CN113500514B

CN113500514B - Equal-thickness polished surface flat grinding device with self-cleaning mechanism

Info

Publication number: CN113500514B
Application number: CN202110586059.3A
Authority: CN
Inventors: 杨章生
Original assignee: Nanjing Ruyi Knife Mould Co ltd
Current assignee: Nanjing Ruyi Knife Mould Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-06-14
Anticipated expiration: 2041-05-27
Also published as: CN113500514A

Abstract

The invention relates to the technical field of flat grinding devices, in particular to an equal-thickness polished surface flat grinding device with a self-cleaning mechanism, which comprises a workbench supporting base, wherein one side of the workbench supporting base is connected with an electric cabinet, the top end of the electric cabinet is connected with a supporting frame, the top end of the supporting frame is connected with an embedded control panel, the front side of the workbench supporting base is connected with an adjusting knob, and a grinding sheet is required to grind a workpiece to be machined instead during machining. The construction site is ensured to be clean and tidy, and the resource cost is also saved.

Description

Equal-thickness polished surface flat grinding device with self-cleaning mechanism

Technical Field

The invention relates to the technical field of flat grinding devices, in particular to an equal-thickness polished surface flat grinding device with a self-cleaning mechanism.

Background

The grinding machine is a grinding machine that grinds the surface of a workpiece with a grinder coated with or embedded with an abrasive. The grinding machine is mainly used for grinding high-precision planes, inner and outer cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other molded surfaces in workpieces. The plane grinder is a precision grinding and polishing device, ground and polished materials are placed on a flat grinding disc, the grinding disc rotates in a counter-clock mode, a correcting wheel drives a workpiece to rotate, the workpiece is pressurized by gravity or in other modes, and the workpiece and the grinding disc perform relative operation friction to achieve the purposes of grinding and polishing. The abrasive particles for generating the grinding action have two sources, one is from continuous external application; another approach is to fix the abrasive particles in the abrasive disc.

In the prior art, the flat grinding machine is in the processing period, realize high-efficient high accuracy processing, in the processing period of carrying out high accuracy, carry out supplementary grinding through the lapping liquid that adds the different components, the precision of grinding has been promoted through the lapping liquid, and wait the roughness of machined part, during this period, some lapping liquid splashes out under the effect of centrifugal force, can lead to the untidiness in processing place like this, cause the pollution in construction place, the lapping liquid that wherein splashes can cause the waste, can't carry out recovery processing reuse, finally cause economic cost's loss, consequently need to design an equal thickness polished surface flat grinding device with self-cleaning mechanism to solve above-mentioned problem urgently.

Disclosure of Invention

The invention aims to provide an equal-thickness polished surface flat grinding device with a self-cleaning mechanism, which solves the problem that grinding liquid can splash during the processing of the flat grinding device proposed in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an equal-thickness polished finish flat grinding device with a self-cleaning mechanism comprises flat grinding equipment, wherein the flat grinding equipment comprises a workbench supporting base, one side of the workbench supporting base is connected with an electric cabinet, the top end of the electric cabinet is connected with a supporting frame, the top end of the supporting frame is connected with an embedded control panel, the front side of the workbench supporting base is connected with an adjusting knob, the top end of the workbench supporting base is connected with an operating platform, one side of the workbench supporting base is connected with a supporting big arm, the upper end of the supporting big arm is provided with a grinding piece, a metal height adjusting block is embedded and connected inside the supporting big arm, the side surface of the supporting big arm is embedded and connected with a driving transmission structure, the driving transmission structure comprises an adjusting groove, the side surface of the supporting big arm is embedded and connected with an adjusting groove, and one side of the metal height adjusting block is connected with a motor, the embedding of supporting big arm is connected with the block pick, the front end of metal altitude mixture control piece is connected with the protection casing, one side of protection casing is connected with automatically cleaning structure, automatically cleaning structure includes the automatically cleaning big dish, one side of protection casing is connected with the automatically cleaning big dish, one side of supporting big arm is connected with the baffle, the inner wall embedding of the automatically cleaning big dish is connected with connects the antiskid ring, the inside of the automatically cleaning big dish is inserted and is equipped with the support connecting rod, the inner wall of the automatically cleaning big dish is connected with clean branch, one side of clean branch is connected with clean brush head of scraping, the guide groove has been seted up to the upper end of baffle, the water clock hole has been seted up to the inside of guide groove.

Preferably, the bottom end of the metal height adjusting block is connected with a clamping tooth sheet, the top end of the metal height adjusting block is connected with a polishing sheet and a protective cover, and the metal height adjusting block is connected with the protective cover in a sliding mode.

Preferably, the output end of the motor is connected with a polishing sheet, and the protective cover is wrapped inside the protective cover.

Preferably, the baffle is obliquely arranged below the large self-cleaning disc, and the height of the front end of the baffle is lower than that of the bottommost end of the polishing disc.

Preferably, one side of the self-cleaning large disc, which is far away from the polishing sheet, is connected with a cleaning transfer assembly, the cleaning transfer assembly comprises a collecting bin body, one side of the polishing sheet, which is far away from the polishing sheet, is connected with a collecting bin body, the collecting bin body is hollow, and the longitudinal section of the collecting bin body is U-shaped.

Preferably, the collecting bin body is internally provided with a sliding groove, the collecting bin body is embedded and connected with a supporting spring, the supporting spring is embedded in the sliding groove, the sliding supporting rod is embedded and connected in the sliding groove, the top end of the sliding supporting rod is connected with a rotating disc, and the upper end of the rotating disc is connected with an absorbing block.

Preferably, the upper end of rolling disc has cup jointed the drive belt, the one side of keeping away from the rolling disc of drive belt is connected with the big dish of automatically cleaning, absorb piece evenly distributed in the upper end of rolling disc, absorb the front end of piece and seted up the breach, and the inner wall embedding of breach is connected with the barb and scrapes the piece.

Preferably, the bottom end of the collecting bin body is connected with a sewage collecting tank, one side of the sewage collecting tank is connected with a cleaning tank, and the bottom end of the rotating disc is embedded into the sewage collecting tank and the cleaning tank.

Preferably, the inside of the collecting bin body is fixedly connected with a mounting rod, the upper end of the mounting rod is connected with a first rolling wheel, the upper end of the mounting rod at one side of the first rolling wheel is connected with a second rolling wheel, a transmission belt is embedded between the first rolling wheel and the second rolling wheel, the upper ends of the first rolling wheel and the second rolling wheel are respectively provided with a groove, and the diameters of the two ends of the first rolling wheel and the second rolling wheel are large, and the diameters of the middle of the two ends of the first rolling wheel and the second rolling wheel are small.

Preferably, the upper end of operation platform is connected with the guide drainage structure, the guide drainage structure includes the filter screen separation frame operation platform's upper end is connected with the filter screen separation frame, the upper end of filter screen separation frame is connected with places the clamp platform, the through-hole of even size has been seted up to the upper end of filter screen separation frame.

Compared with the prior art, the invention has the beneficial effects that:

1. this uniform thickness polished surface flat grinding device with from clearance mechanism is processing the period, need polish the processing through the polishing piece to the work piece of processing of generation, can clean the remaining polishing solution in polishing piece upper end through the automatically cleaning deep bid that sets up during polishing, can carry out timely recovery processing with unnecessary lapping solution, can avoid splashing of grinding solution through the cleanness, construction environment's health has been guaranteed, flat grinding is being carried out and more times can be saved, and then work efficiency has been accelerated, guaranteed that the construction site is clean and tidy still to have practiced thrift the resource cost.

Drawings

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

FIG. 2 is a schematic side view of a portion of FIG. 1;

FIG. 3 is a schematic perspective view of the self-cleaning large plate and the baffle of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic front sectional view of the collecting bin and the belt of the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5 at B according to the present invention;

fig. 7 is a schematic perspective view of the placing clamp and the filter screen separating rack of the present invention.

In the figure: 1. flat grinding equipment; 110. a table support base; 120. an electric cabinet; 130. a support frame; 140. an embedded control panel; 150. adjusting a knob; 160. a large support arm; 170. grinding the sheets; 180. an operating platform; 190. a metal height adjusting block; 2. a drive transmission structure; 210. adjusting the groove; 220. a motor; 230. clamping a tooth sheet; 240. a protective cover; 3. a self-cleaning structure; 310. self-cleaning the large disc; 320. a baffle plate; 330. connecting an anti-slip ring; 340. a support link; 350. cleaning the supporting rod; 360. cleaning the scraping brush head; 370. a guide groove; 380. a drip hole; 4. cleaning the transfer assembly; 410. a collecting bin body; 420. a transmission belt; 430. a support spring; 440. a sliding support rod; 450. rotating the disc; 460. an absorbent block; 470. a barb scraping block; 480. a sewage collecting tank; 490. a cleaning tank; 4110. mounting a rod; 4120. a first rolling wheel; 4130. a second rolling wheel; 5. a directing drain structure; 510. placing a clamping table; 520. a filter screen separation 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. 1-7, an embodiment of the present invention is shown:

a flat grinding device with a self-cleaning mechanism for uniform-thickness polished surfaces comprises a flat grinding device 1, wherein the flatness of a grinding disc is the grinding reference and is the guarantee for obtaining the plane of a precise workpiece. In the process of grinding, the flatness of the grinding disc can be reduced, the plane of the grinding disc needs to be regularly trimmed due to different linear speeds of the inner and outer grinding discs and inconsistent abrasion, and two trimming methods are adopted: the first is to adopt the reference plane electroplating diamond dressing wheel to repair the surface, and because the electroplating diamond dressing wheel is basically not worn, higher planeness can be obtained.

In addition, after the surface is trimmed by a trimming mechanism, better flatness can be obtained, the principle of the trimming is consistent with that of a lathe, a grinding disc rotates, and a cutter capable of moving forwards and backwards is driven by a cutter rod to cut the ground surface to obtain the plane.

The main types of grinding machines are disc mills, spindle mills and various special grinding machines. The grinding machine control system takes the PLC as a control core, and the text display is a control mode of a man-machine conversation interface. The man-machine conversation interface can be used for carrying out conversation with people on information such as equipment maintenance, operation, faults and the like; the operation interface is visual and convenient, the program control is realized, and the operation is simple.

The grinding tool is used for finishing the machined surface by utilizing abrasive particles coated or pressed on a grinding tool through the relative motion of the grinding tool and a workpiece under certain pressure.

The grinding can be used for processing various metal and non-metal materials, the surface shape of processing has the plane, interior, outer cylinder face and conical surface, convex, concave sphere, screw thread, flank of tooth and other profiles, and the machining precision can reach IT5 ~ 01, and surface roughness can reach Ra0.63 ~ 0.01 micron, belongs to the essence, according to the number of abrasive disc, can divide into: single-sided grinders and double-sided grinders.

The flat grinding equipment 1 comprises a workbench supporting base 110, one side of the workbench supporting base 110 is connected with an electric cabinet 120, the top end of the electric cabinet 120 is connected with a supporting frame 130, the top end of the supporting frame 130 is connected with an embedded control panel 140, the front surface of the workbench supporting base 110 is connected with an adjusting knob 150, the top end of the workbench supporting base 110 is connected with an operating platform 180, one side of the workbench supporting base 110 is connected with a supporting big arm 160, the upper end of the supporting big arm 160 is provided with a grinding sheet 170, the inside of the supporting big arm 160 is embedded and connected with a metal height adjusting block 190, the side surface of the supporting big arm 160 is embedded and connected with a driving transmission structure 2, the driving transmission structure 2 comprises an adjusting groove 210, the side surface of the supporting big arm 160 is embedded and connected with an adjusting groove 210, one side of the metal height adjusting block 190 is connected with a motor 220, the embedding of the supporting big arm 160 is connected with a clamping tooth sheet 230, the front end of the metal height adjusting block 190 is connected with a protective cover 240, one side of the protective cover 240 is connected with a self-cleaning structure 3, the self-cleaning structure 3 comprises a self-cleaning large disc 310, one side of the protective cover 240 is connected with the self-cleaning large disc 310, one side of the supporting large arm 160 is connected with a baffle 320, the inner wall of the self-cleaning large disc 310 is embedded and connected with a slip-proof ring 330, a supporting connecting rod 340 is inserted in the self-cleaning large disc 310, the inner wall of the self-cleaning large disc 310 is connected with a cleaning supporting rod 350, one side of the cleaning supporting rod 350 is connected with a cleaning scraping brush head 360, the upper end of the baffle 320 is provided with a guiding groove 370, a dripping hole 380 is formed in the guiding groove 370, debris and redundant grinding fluid generated during processing can be treated, the rotation of the cleaning scraping brush head 360 is driven by the rotation of the self-cleaning large disc 310, impurities at the upper end can be cleaned by the cleaning scraping brush head 360, the cleanness of the upper end of the polishing sheet 170 is ensured, the polishing sheet can be more accurate in subsequent processing, the scratch of the surface of a workpiece caused by impurities is overcome, the working difficulty is reduced, the working efficiency is improved, and the quality is also improved.

Further, the bottom end of the metal height adjusting block 190 is connected with the clamping tooth piece 230, the top end of the metal height adjusting block 190 is connected with the grinding piece 170 and the protective cover 240, the metal height adjusting block 190 is connected with the protective cover 240 in a sliding mode, the height of the grinding piece 170 is controlled through adjustment between the adjusting groove 210 and the metal height adjusting block 190, machining of workpieces with different thicknesses can be achieved through adjustment, and operation is more flexible.

Further, the output end of the motor 220 is connected with the polishing sheet 170, the protective cover 240 is wrapped in the protective cover 240, the protective cover 240 is wrapped to increase the protection of the polishing sheet 170, and safety factors are improved during processing, so that the operation is safer.

Further, the baffle 320 is obliquely arranged below the large self-cleaning disc 310, the height of the front end of the baffle 320 is lower than that of the bottommost end of the polishing sheet 170, when the polishing sheet 170 rotates, a part of liquid can splash to the upper end of the baffle 320, the splashing of the liquid is blocked by the baffle 320, and the liquid splashed to the upper end of the baffle 320 can be collected and processed through the guide grooves 370 and the dripping holes 380, so that the cleaning is better during the operation.

Further, one side that polishing piece 170 was kept away from to automatically cleaning big dish 310 is connected with clean transfer assembly 4, clean transfer assembly 4 is including collecting the storehouse body 410, one side of polishing piece 170 of keeping away from polishing piece 170 is connected with the collection storehouse body 410, the inside cavity of collection storehouse body 410, the vertical tangent plane of collecting storehouse body 410 is the U style of calligraphy, when cleaning the impurity of scraping brush head 360 upper end, scrape the upper end that brush head 360 contacted absorption block 460 through the cleanness, shift the liquid of upper end, the inside that can transfer absorption block 460 through the clean liquid of scraping brush head 360 inside behind the extrusion deformation, make the clean brush head 360 of scraping can carry out repetitive operation.

Further, the spout has been seted up to the inside of collecting storehouse body 410, supporting spring 430 imbeds in the inside of spout, and the inside embedding of spout is connected with slip branch 440, the top of slip branch 440 is connected with rolling disc 450, the upper end of rolling disc 450 is connected with absorption piece 460, driving belt 420 has been cup jointed to the upper end of rolling disc 450, one side of keeping away from rolling disc 450 of driving belt 420 is connected with automatically cleaning large plate 310, absorption piece 460 evenly distributed is in the upper end of rolling disc 450, the breach has been seted up to the front end of absorption piece 460, and the inner wall embedding of breach is connected with the barb and scrapes piece 470, when absorption piece 460 rotates collection storehouse body 410 left side one end, extrude the inside of sewage collecting vat 480 through the liquid including the extrusion, collect through sewage collecting vat 480.

Further, the bottom end of collecting storehouse body 410 is connected with sewage collecting tank 480, and one side of sewage collecting tank 480 is connected with washing tank 490, and the bottom embedding of rolling disc 450 is in the inside of sewage collecting tank 480 and washing tank 490, and in addition when absorbing the inside that piece 460 dipped into washing tank 490, it washs to absorbing piece 460, has promoted the cleanness of equipment for equipment is cleaner clean more during the operation, has played clear effect.

Further, the inside fixedly connected with installation pole 4110 of collecting storehouse body 410, the upper end of installation pole 4110 is connected with first roller 4120, the upper end of one side installation pole 4110 of first roller 4120 is connected with second roller 4130, embedding has drive belt 420 between first roller 4120 and the second roller 4130, the upper end of first roller 4120 and second roller 4130 is all seted up flutedly, the big middle diameter of both ends diameter of first roller 4120 and second roller 4130 is little, when the centre gripping through first roller 4120 and second roller 4130 increases the position that has restricted drive belt 420, make the transmission more stable.

Further, operation platform 180's upper end is connected with guide drainage structures 5, and guide drainage structures 5 includes that filter screen separation frame 520 operation platform 180's upper end is connected with filter screen separation frame 520, and filter screen separation frame 520's upper end is connected with places and presss from both sides platform 510, and the through-hole of even size has been seted up to filter screen separation frame 520's upper end, has seted up the through-hole when filter screen separation frame 520's upper end, can carry out the separation of solid-liquid through the through-hole, collects the liquid of separating out.

The working principle is as follows: during working, a workpiece to be machined is placed at the upper end of the operating platform 180, flat grinding is carried out after the workpiece is fixed, after the external power supply of the motor 220 is carried out, the integrity of the equipment is checked, after each item is inspected to be qualified in advance, the grinding sheet 170 is driven to rotate by the driving of the motor 220, the workpiece can be ground after the grinding sheet 170 rotates, burrs and uneven positions at the upper end are ground to be flat by friction force, during grinding, when friction is carried out between the connecting anti-slip ring 330 and the grinding sheet 170 at the upper end of the self-cleaning large disc 310, the rotation of the connecting anti-slip ring 330 is driven by the rotation of the friction grinding sheet 170, the rotation of the self-cleaning large disc 310 is driven after the rotation of the connecting anti-slip ring 330, and the rotation of the self-cleaning large disc 310 are driven after the rotation of the self-cleaning large disc 310, and the rotation of the supporting connecting rods 340, the cleaning supporting rods 350 and the cleaning scraping brush heads 360 are driven after the self-cleaning large disc 310 rotates, after cleaning branch 350 carries out circular motion along supporting connection rod 340, scrape brush head 360 and one side of the piece 170 of polishing through the cleanness and contact, absorb the unnecessary lapping liquid in the piece 170 upper end of polishing after the contact, and then avoid the lapping liquid to splash and cause the confusion of sanitary environment.

When the polishing disc 170 rotates, a part of the polishing liquid can pass through the upper end of the accumulated baffle 320, and the inclined design of the baffle 320 can play a role in preventing splashing, the polishing liquid dripped to the upper end of the baffle 320 flows into the dripping hole 380 through the guide groove 370, the polishing liquid dripped to the upper end of the operating platform 180 through the dripping hole 380 is collected through the operating platform 180, and the polishing liquid is recycled through collection and treatment.

After the cleaning scraper brush head 360 performs circular motion, the rotation of the rotating disc 450 is driven by the transmission belt 420, when the rotating disc 450 rotates and the self-cleaning large disc 310 keeps synchronous, the cleaning scraper brush head 360 can be just embedded into the absorption block 460, when the absorption block 460 is embedded into the absorption block 460, under the action of the barb scraper block 470, impurities and grinding fluid adhered to the upper end of the cleaning scraper brush head 360 are transferred, the liquid at the upper end of the cleaning scraper brush head 360 is transferred to the upper end of the absorption block 460 under the absorption action force, through the motion of the absorption block 460, when one side of the absorption block 460 contacts the inner wall of the collection bin body 410, the grinding fluid mixture at the upper end is squeezed into the inside of the sewage collection tank 480 through squeezing, so that the redundant grinding mixture can be reasonably recovered, when the rotating disc 450 rotates, the absorption block 460 firstly passes through the interior of the cleaning tank 490, wherein the clear water has been loaded to the inside of washing tank 490, the inside of soaking the clear water through absorbing piece 460, make the impurity of absorbing piece 460 upper end adhesion drop to the clear water in, carry out the rotation of circulation rotation and automatically cleaning deep bid 310 when absorbing piece 460, continuous cleanness has been realized, can clean the precision of having guaranteed processing with the impurity that produces during the processing, make the unnecessary lapping liquid of processing simultaneously shift the collection, can avoid the too much waste that causes of lapping liquid, the scheduling problem that splashes, make construction environment cleaner clean and tidy more.

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.

Claims

1. The utility model provides an equal thickness polished surface plain grinding device with self-cleaning mechanism, includes plain grinding equipment (1), its characterized in that: the flat grinding equipment (1) comprises a workbench supporting base (110), one side of the workbench supporting base (110) is connected with an electric cabinet (120), the top end of the electric cabinet (120) is connected with a supporting frame (130), the top end of the supporting frame (130) is connected with an embedded control panel (140), the front face of the workbench supporting base (110) is connected with an adjusting knob (150), the top end of the workbench supporting base (110) is connected with an operating platform (180), one side of the workbench supporting base (110) is connected with a supporting large arm (160), the upper end of the supporting large arm (160) is provided with a grinding disc (170), the inner part of the supporting large arm (160) is embedded and connected with a metal height adjusting block (190), the side surface of the supporting large arm (160) is embedded and connected with a driving transmission structure (2), and the driving transmission structure (2) comprises an adjusting groove (210), the side surface of the large supporting arm (160) is connected with an adjusting groove (210) in an embedded manner, one side of the metal height adjusting block (190) is connected with a motor (220), the large supporting arm (160) is provided with a clamping tooth piece (230) in an embedded manner, the front end of the metal height adjusting block (190) is connected with a protective cover (240), one side of the protective cover (240) is connected with a self-cleaning structure (3), the self-cleaning structure (3) comprises a self-cleaning large disc (310), one side of the protective cover (240) is connected with the self-cleaning large disc (310), one side of the large supporting arm (160) is connected with a baffle plate (320), the inner wall of the self-cleaning large disc (310) is connected with a connecting anti-slip ring (330) in an embedded manner, a supporting connecting rod (340) is inserted into the self-cleaning large disc (310), and a cleaning supporting rod (350) is connected with the inner wall of the self-cleaning large disc (310), one side of the cleaning supporting rod (350) is connected with a cleaning scraping brush head (360), the upper end of the baffle plate (320) is provided with a guide groove (370), the inside of the guide groove (370) is provided with a dripping hole (380), one side of the self-cleaning big disc (310) far away from the polishing disc (170) is connected with a cleaning transfer component (4), the cleaning transfer component (4) comprises a collecting bin body (410), one side of the self-cleaning big disc (310) far away from the polishing disc (170) is connected with a collecting bin body (410), the collecting bin body (410) is hollow inside, the longitudinal section of the collecting bin body (410) is U-shaped, the inside of the collecting bin body (410) is provided with a sliding groove, the inside of the collecting bin body (410) is embedded and connected with a supporting spring (430), the supporting spring (430) is embedded inside the sliding groove, and the inside of the sliding groove is embedded and connected with a sliding supporting rod (440), the top end of the sliding support rod (440) is connected with a rotating disc (450), and the upper end of the rotating disc (450) is connected with an absorption block (460).

2. The isopachous polished surface flat grinding device with the self-cleaning mechanism as claimed in claim 1, wherein: the bottom end of the metal height adjusting block (190) is connected with a clamping tooth sheet (230), the top end of the metal height adjusting block (190) is connected with a polishing sheet (170) and a protective cover (240), and the metal height adjusting block (190) is connected with the protective cover (240) in a sliding mode.

3. The isopachous polished surface flat grinding device with the self-cleaning mechanism as claimed in claim 1, wherein: the output end of the motor (220) is connected with a polishing sheet (170), and the polishing sheet (170) is wrapped inside the protective cover (240).

4. The isopachous polished surface flat grinding device with the self-cleaning mechanism as claimed in claim 1, wherein: the baffle (320) is obliquely arranged below the self-cleaning large disc (310), and the height of the front end of the baffle (320) is lower than that of the bottommost end of the polishing sheet (170).

5. The isopachous polished surface flat grinding device with the self-cleaning mechanism as claimed in claim 4, wherein: the upper end of the rotating disc (450) is sleeved with a transmission belt (420), one side, far away from the rotating disc (450), of the transmission belt (420) is connected with a self-cleaning large disc (310), the absorption blocks (460) are evenly distributed at the upper end of the rotating disc (450), the front end of each absorption block (460) is provided with a notch, and the inner wall of each notch is embedded and connected with a barb scraping block (470).

6. The isopachous polished surface flat grinding device with the self-cleaning mechanism as claimed in claim 5, wherein: the bottom end of the collecting bin body (410) is connected with a sewage collecting tank (480), one side of the sewage collecting tank (480) is connected with a cleaning tank (490), and the bottom end of the rotating disc (450) is embedded into the sewage collecting tank (480) and the cleaning tank (490).

7. The isopachous polished surface flat grinding device with the self-cleaning mechanism as claimed in claim 5, wherein: the inside fixedly connected with installation pole (4110) of the collection storehouse body (410), the upper end of installation pole (4110) is connected with first wheel (4120) that rolls, the upper end of one side installation pole (4110) of first wheel (4120) that rolls is connected with second wheel (4130) that rolls, it has drive belt (420) to imbed between first wheel (4120) and the second wheel (4130) that rolls, first wheel (4120) and the second rolls the upper end of taking turns (4130) and all sets up flutedly, the big middle diameter of both ends diameter of first wheel (4120) and second wheel (4130) that rolls is little.

8. The isopachous polished surface flat grinding device with the self-cleaning mechanism as claimed in claim 1, wherein: the upper end of operation platform (180) is connected with guide drainage structures (5), guide drainage structures (5) are including filter screen separator (520) the upper end of operation platform (180) is connected with filter screen separator (520), the upper end of filter screen separator (520) is connected with places and presss from both sides platform (510), the through-hole of even size is seted up to the upper end of filter screen separator (520).