CN112643429A

CN112643429A - Wall surface filling and polishing device for architectural decoration

Info

Publication number: CN112643429A
Application number: CN202011530938.6A
Authority: CN
Inventors: 李卫军; 赵子敬
Original assignee: Zebra House Wuhan Information Technology Co ltd
Current assignee: Zebra House Wuhan Information Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-04-13

Abstract

The invention relates to the technical field of architectural decoration, in particular to a wall surface filling and polishing device for architectural decoration. The polishing machine comprises a polishing structure, an isolation structure and a dust collection structure, wherein the isolation structure and the dust collection structure are installed on the polishing structure, the polishing structure comprises a polishing machine case, a motor is fixed in the polishing machine case, a main shaft is connected onto an output shaft of the motor, the tail end of the main shaft is coaxially connected with a rotary table, the abrasive paper isolation structure is arranged on the rotary table and comprises an isolation plate, an installation plate is arranged at an opening of the isolation plate and is of a major arc structure, side plates are arranged on two sides of the installation plate, installation blocks are arranged at two ends of the installation plate, an air cushion is fixed on the installation plate and is located between the side plates, two ends of the air cushion are fixed on the installation blocks, the height of the side plates is lower than that of the.

Description

Wall surface filling and polishing device for architectural decoration

Technical Field

The invention relates to the technical field of architectural decoration, in particular to a wall surface filling and polishing device for architectural decoration.

Background

The leveling degree of the indoor wall needs to be guaranteed before indoor decoration, because uneven walls easily cause the breakage of a wall painting layer after painting, and are difficult to maintain, the leveling work before decoration is very important, parts of the wall surface, corresponding to the flatness exceeding 5 millimeters, need to be polished when leveling, and due to the fact that polishing is carried out in a polishing wheel mode, dust is large when polishing, meanwhile, the internal corners are difficult to polish, a large amount of dust is extremely unfriendly to constructors, but due to the fact that the protruding heights of the wall surface are different, a polishing device is difficult to cling to the wall to reduce the generation of dust.

Disclosure of Invention

The invention aims to provide a wall surface filling and polishing device for architectural decoration, which aims to solve the problems in the background technology.

In order to achieve the purpose, the wall surface filling and polishing device for building decoration comprises a polishing structure, an isolation structure and a dust collection structure, wherein the isolation structure and the dust collection structure are installed on the polishing structure;

when the polishing structure is used, a power supply is firstly switched on to enable the motor to rotate through the turntable of the spindle belt, and then the protruding part of the wall is polished through the abrasive paper arranged on the surface of the turntable.

The isolation structure comprises an isolation plate, an opening of the isolation plate is provided with a mounting plate, the mounting plate is of a U-arc structure, side plates are arranged on two sides of the mounting plate, mounting blocks are arranged at two ends of the mounting plate, air cushions are fixed on the mounting plate and located between the side plates, two ends of each air cushion are fixed on the mounting blocks, the height of each side plate is lower than that of each air cushion, a connecting plate is arranged above the isolation plate, the connecting plate is of a minor arc structure and forms a circle with the mounting plate, the edge of the turntable is exposed by disassembling the connecting plate, so that the internal corners are polished by using the polishing structure, clamping blocks are arranged on two sides of the connecting plate, clamping grooves are formed in the opening of the mounting plate, and the;

isolation structure when using, at first covers the division board on the wall, makes air cushion and wall laminating, guarantees simultaneously that the breach of major arc up, keeps apart the region of polishing, makes the dust of producing of polishing keep apart in the division board, and the elastic structure of air cushion position can be laminated through deformation and the wall of different protruding height at the removal in-process of polishing simultaneously, guarantees to keep apart the effect.

The dust collection structure comprises a dust collector, a dust inlet is formed in the isolation plate and located below the isolation plate, a screen is arranged in the isolation plate and connected above the dust collector, the dust collector comprises a dust collection box body, a negative pressure fan is arranged in the dust collection box body, a partition plate is arranged above the negative pressure fan, an exhaust pipe of the negative pressure fan penetrates through the partition plate, a sleeve is arranged below the motor, the dust collector is connected in the sleeve in a sliding mode, a plurality of binding bands are arranged above the sleeve, and the binding bands are sleeved on the outer wall of the motor.

When the dust collection structure is used, the power supply is firstly switched on, the negative pressure fan starts to work, the negative pressure fan forms a negative pressure environment through air draft to absorb external dust, the dust is sucked into the dust collector, meanwhile, the dust collector is accommodated through the sleeve, and the sleeve is fixed outside the motor through the plurality of binding bands, so that the working distance of the dust collection structure is reduced, and the dust collection effect of the dust collection structure is ensured.

As a further improvement of the technical scheme, a first annular plate is arranged in the dust suction box body, a screen is arranged above the partition plate and is of an open-ended cylindrical structure, a second annular plate is arranged at the opening of the screen, the shape of the second annular plate is matched with that of the first annular plate in shape, dust absorbed into the dust suction machine by negative pressure is collected through the screen, and the dust is prevented from contacting with the negative pressure fan to block the work of the negative pressure fan.

As a further improvement of the technical scheme, the dust collection box opening part is provided with a flat plate, a threaded column is arranged below the flat plate, the threaded column is in threaded connection with an opening of the dust collection box, the bottom surface of the threaded column is in contact with the surface of the second annular plate, the bottom surface of the second annular plate is in contact with the surface of the first annular plate, the threaded column and the dust collection box which are in threaded connection are convenient to disassemble and take out a screen to clean, and the screen is pressed through the threaded column to prevent the screen from shaking.

As a further improvement of the technical scheme, the mounting block is provided with a round hole, a bolt is arranged in the round hole, the two ends of the air cushion are provided with mounting columns, the bolt is in threaded connection with the mounting columns, and the two ends of the air cushion are in threaded connection with the convenient-to-detach box, namely, the air is supplemented.

As a further improvement of the technical scheme, the back of the connecting plate is provided with a cover plate, a bottom plate is arranged at the notch above the isolation plate, the lower part of the cover plate is in contact with the upper surface of the bottom plate, and the cover plate is further fixed through the bottom plate to prevent the cover plate from shaking.

As the further improvement of this technical scheme, the motor rear is equipped with the handle, the motor side is equipped with the action bars, be equipped with anti-skidding structure on the action bars, the action bars inboard is equipped with the baffle, and the action bars is for the convenient both hands of operating personnel use device, and the baffle is for conveniently having an effect, and anti-skidding structure is preferred rubber materials simultaneously, improves sufficient frictional force.

As a further improvement of the technical scheme, a pair of locking plates are arranged on the binding band, a through hole is formed in each locking plate, a stud is arranged in each through hole, one end of each stud is in threaded connection with a nut, and the sleeve is convenient to take down through threaded connection.

As a further improvement of the technical scheme, an adjusting structure is connected above the flat plate and comprises an adjusting pipeline, one end of the adjusting pipeline is connected to the flat plate, an adjusting seat is arranged on the side face of the adjusting pipeline, a column groove is formed in the adjusting seat, a threaded column is connected in the column groove in a threaded manner, one end of the threaded column is connected with a round ball, a torsion bar is arranged at the color number of the other end of the threaded column, the torsion bar is located on the outer side of the adjusting seat, the ventilation section area of the adjusting pipeline is changed by changing the position of the round ball, the section area is reduced, and the dust collection efficiency is improved.

As a further improvement of the technical scheme, the middle section of the column groove is provided with a sealing groove, an elastic diaphragm is fixedly connected to the outer wall of the threaded column, the outer side of the elastic diaphragm is fixed to the inner wall of the sealing groove, the adjusting seat is sealed through the elastic diaphragm, and the side surface air leakage is prevented from affecting the dust collection effect.

As the further improvement of the technical scheme, a dust suction port is connected in the dust through port, a connecting pipeline is arranged below the dust suction port, two connecting pipelines are provided with butt joints, the butt joints are respectively in threaded connection with the tail end of the dust suction port and the tail end of the adjusting pipeline, the connecting pipelines are conveniently disassembled through threaded connection, and the connecting pipelines can be timely cleaned when being blocked.

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

1. among this wall filling and polishing device for architectural decoration, air cushion cooperation baffle through setting up seals processing area, prevents that the dust that produces from dropping, and the air cushion can adapt to the wall of different protruding heights simultaneously to with the wall laminating, make sealed effect better.

2. Among this wall mends flat grinding device for architectural decoration, dust extraction through setting up absorbs the dust that is held back by isolation structure, and the dust drops ground and is difficult to the clearance when preventing to change the position of polishing.

3. In this wall for architectural decoration mends paper-back grinding device, fix the dust absorption box through the sleeve on the fixing device who sets up, the cooperation bandage is fixed the dust absorption box near the baffle, promotes the adsorption effect.

4. Among this wall filling and smoothing grinding device for architectural decoration, through the regulation structure that sets up, the position that can adjust the ball is adjusted the cross-sectional area that ventilates in the pipeline, reduces area that ventilates when facing the large granule dust and increases adsorption efficiency to guarantee dust collecting structure's dust collection ability.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic view of a polishing structure of example 1;

FIG. 3 is a schematic structural view of a grinding machine case of embodiment 1;

FIG. 4 is a schematic view of an isolation structure of embodiment 1;

FIG. 5 is an enlarged view of a portion of the structure at A in FIG. 4;

FIG. 6 is a schematic view showing the back structure of the separator according to embodiment 1;

FIG. 7 is a schematic view of a dust-collecting structure in embodiment 1;

FIG. 8 is a schematic sectional view showing a dust-collecting structure in accordance with embodiment 1;

FIG. 9 is a schematic view of a fixing structure of embodiment 1;

FIG. 10 is a schematic view of a piping structure of embodiment 1;

FIG. 11 is a schematic disassembled view of the pipeline structure of example 1;

fig. 12 is a schematic view of an adjustment structure of embodiment 1.

The various reference numbers in the figures mean:

100. polishing the structure;

110. grinding the case; 111. a motor; 112. a main shaft; 113. a turntable; 114. sand paper;

120. a handle; 121. an operating lever; 122. a baffle plate;

200. an isolation structure;

210. a separator plate; 211. mounting a plate; 212. a side plate; 213. mounting blocks; 214. a circular hole; 215. a bolt; 216. a dust inlet;

220. an air cushion; 221. mounting a column;

230. a connecting plate; 231. a clamping block; 232. a card slot; 233. a cover plate; 234. a base plate;

300. a dust collection structure;

310. a dust collector; 311. a dust collection box body; 312. a negative pressure fan; 313. a first annular plate; 314. a partition plate;

320. screening a screen; 321. a second annular plate;

330. a flat plate; 331. a threaded post;

340. a sleeve; 341. binding bands; 342. a locking plate; 343. perforating; 345. a stud;

350. an adjustment structure; 351. adjusting the pipeline; 352. an adjusting seat; 353. a column groove; 354. a sealing groove; 355. a threaded rod; 356. a ball; 357. an elastic diaphragm; 358. a torsion bar;

360. a dust suction port; 370. connecting a pipeline; 371. and (6) connecting the interfaces.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

Referring to fig. 1 to 12, there is provided a wall surface smoothing and polishing device for architectural decoration, which includes a polishing structure 100, an isolation structure 200 mounted on the polishing structure 100, and a dust suction structure 300, wherein the polishing structure 100 includes a polishing machine case 110, a motor 111 is fixed in the polishing machine case 110, a brushless motor is preferably used, as known to those skilled in the art, the brushless dc motor is implemented by using a semiconductor switching device to implement electronic commutation, that is, the electronic switching device is used to replace a conventional contact commutator and a brush. The motor has the advantages of high reliability, no reversing spark, low mechanical noise and the like, is light in weight and convenient to use, an output shaft of the motor 111 is connected with a main shaft 112, the tail end of the main shaft 112 is coaxially connected with a turntable 113, and the turntable 113 is provided with abrasive paper 114, preferably adopts a bonding mode, so that the abrasive paper 114 is convenient to replace;

when the polishing structure 100 of the present embodiment is used, a power is first turned on to rotate the motor 111 through the turntable 113 provided on the spindle 112, and then the sand paper 114 provided on the surface of the turntable 113 polishes the protruding portion of the wall.

The isolation structure 200 comprises an isolation plate 210, an opening of the isolation plate 210 is provided with a mounting plate 211, the mounting plate 211 is a major arc structure, two sides of the mounting plate 211 are provided with side plates 212, two ends of the mounting plate 211 are provided with mounting blocks 213, an air cushion 220 is fixed on the mounting plate 211, the air cushion 220 is preferably a cylindrical synthetic rubber layer, air is filled into the air cushion through high pressure and is sealed, the processed air cushion 220 has excellent deformation buffering capacity, the air cushion 220 is positioned between the side plates 212, two ends of the air cushion 220 are fixed on the mounting blocks 213, the height of the side plates 212 is lower than that of the air cushion 220, a connecting plate 230 is arranged above the isolation plate 210, the connecting plate 230 is a minor arc structure and forms a circle with the mounting plate 211, the edge of the turntable 113 is exposed by detaching the connecting plate 230, thereby realizing that the grinding structure 100 is used for, the clamping block 231 is in clamping fit with the clamping groove 232;

the isolating structure 200 of this embodiment is when using, at first covers division board 210 on the wall, makes air cushion 220 and wall laminating, guarantees simultaneously that the breach of major arc up, keeps apart the region of polishing, makes the dust of producing of polishing kept apart in division board 210, and the elastic structure of air cushion 220 bit can be laminated through deformation and the wall of different bellied heights at the removal in-process of polishing simultaneously, guarantees to keep apart the effect.

The dust collection structure 300 comprises a dust collector 310, a dust through hole 216 is formed in a partition plate 210, the dust through hole 216 is located below the partition plate 210, a screen 320 is arranged in the partition plate 210, the screen 320 is connected above the dust collector 310, the dust collector 310 comprises a dust collection box body 311, a negative pressure fan 312 is arranged in the dust collection box body 311, the negative pressure fan 312 is preferably of a fan blade type, as known to those skilled in the art, the negative pressure fan 312 draws air outwards through rotation of fan blades to reduce indoor air pressure, the indoor air becomes thin to form a negative pressure area, the air flows into the box due to air pressure difference compensation, a partition plate 314 is arranged above the negative pressure fan 312, an air suction pipe of the negative pressure fan 312 penetrates through the partition plate 314, a sleeve 340 is arranged below the motor 111, the dust collector 310 is slidably connected in the sleeve 340, a plurality of straps 341 are arranged above the sleeve 340.

When the dust collection structure 300 of this embodiment is used, firstly, the power is turned on, so that the negative pressure fan 312 starts to work, the negative pressure fan 312 forms a negative pressure environment through air draft to absorb external dust, the dust is sucked into the dust collector 310, meanwhile, the sleeve 340 is accommodated in the dust collector 310 through the sleeve 340, and the sleeve 340 is fixed outside the motor 111 through the plurality of straps 341, so that the working distance of the dust collection structure 300 is reduced, and the dust collection effect of the dust collection structure 300 is ensured.

In addition, a first annular plate 313 is arranged in the dust collection box body 311, a screen 320 is arranged above the partition 314, the screen 320 is in an open cylindrical structure, a second annular plate 321 is arranged at the opening of the screen 320, the shape of the second annular plate 321 is matched with that of the first annular plate 313, dust absorbed into the dust collector 310 by negative pressure is collected through the screen 320, and the dust is prevented from contacting with the negative pressure fan 312 to block the work of the negative pressure fan 312.

Further, a flat plate 330 is arranged at an opening of the dust collection box body 311, a threaded column 331 is arranged below the flat plate 330, the threaded column 331 is in threaded connection with the opening of the dust collection box body 311, the bottom surface of the threaded column 331 is in contact with the surface of the second annular plate 321, the bottom surface of the second annular plate 321 is in contact with the surface of the first annular plate 313, the screen 320 is conveniently detached and taken out for cleaning through the threaded column 331 and the dust collection box body 311 which are in threaded connection, and meanwhile the screen 320 is pressed through the threaded column 331 to prevent the screen 320 from shaking.

Still further, a round hole 214 is formed in the mounting block 213, a bolt 215 is arranged in the round hole 214, mounting columns 221 are arranged at two ends of the air cushion 220, the bolt 215 is in threaded connection with the mounting columns 221, and the two ends of the air cushion 220 are in threaded connection with a detachable box which is convenient to detach and supplies air.

Specifically, the back of the connecting plate 230 is provided with a cover plate 233, a notch is arranged above the isolation plate 210 and provided with a bottom plate 234, the lower part of the cover plate 233 is in contact with the upper surface of the bottom plate 234, and the cover plate 233 is further fixed through the bottom plate 234 to prevent the cover plate 233 from shaking.

In addition, the handle 120 is arranged behind the motor 111, the operating rod 121 is arranged on the side surface of the motor 111, the anti-skidding structure is arranged on the operating rod 121, the baffle 122 is arranged on the inner side of the operating rod 121, the operating rod 121 is convenient for an operator to use the device with both hands, the baffle 122 is convenient for exerting force, and the anti-skidding structure is preferably made of rubber materials and improves enough friction force.

Further, a pair of locking plates 342 is disposed on the binding band 341, a through hole 343 is disposed on the locking plate 342, a stud 345 is disposed in the through hole 343, and a nut is threadedly coupled to one end of the stud 345, so that the sleeve 340 can be conveniently removed.

Still further, dull and stereotyped 330 top is connected with adjusts structure 350, adjust structure 350 including adjusting pipeline 351, the one end of adjusting pipeline 351 is connected on dull and stereotyped 330, it adjusts seat 352 to adjust pipeline 351 side, it has post groove 353 to open in the seat 352, post groove 353 internal thread is connected with threaded rod 355, the one end of threaded rod 355 is connected with ball 356, the other end color number of threaded rod 355 has torsion bar 358, torsion bar 358 is located and adjusts the seat 352 outside, thereby change through the position that changes ball 356 and adjust pipeline 351 ventilation cross sectional area, reduce cross sectional area and sacrifice dust collection efficiency and promote dust collection effect.

In addition, a sealing groove 354 is formed in the middle section of the column groove 353, an elastic diaphragm 357 is fixedly connected to the outer wall of the threaded rod 355, the outer side of the elastic diaphragm 357 is fixed to the inner wall of the sealing groove 354, the adjusting seat 352 is sealed through the elastic diaphragm 357, and the dust collection effect is prevented from being influenced by side air leakage.

Besides, lead to dust mouth 216 in-connection and have dust absorption mouth 360, dust absorption mouth 360 below is equipped with connecting tube 370, and connecting tube 370 is two to be equipped with interface 371, interface 371 respectively with 360 tail ends of dust absorption mouth and the tail end threaded connection of adjusting pipe 351, and connecting tube 370 passes through threaded connection and conveniently dismantles, can in time clear up when connecting tube 370 blocks up.

When the vacuum cleaner is used, firstly, the power is switched on to enable the motor 111 to rotate through the turntable 113 carried by the main shaft 112, then the sand paper 114 arranged on the surface of the turntable 113 is used for polishing the raised part of the wall, then the isolation plate 210 is covered on the wall surface, the air cushion 220 is attached to the wall surface, meanwhile, the gap of the major arc is ensured to be upward, the polishing area is isolated, the dust generated by polishing is isolated in the isolation plate 210, meanwhile, the elastic structure of the air cushion 220 can be attached to the walls with different raised heights through deformation in the polishing moving process, the isolation effect is ensured, the power is switched on to enable the negative pressure fan 312 to start working, the negative pressure fan 312 forms a negative pressure environment through air draft to absorb the external dust, the dust is sucked into the dust collector 310, meanwhile, the sleeve 340 is accommodated in the dust collector 310 through the sleeve 340 and fixed outside the motor 111 through a plurality of straps 341, and the working distance, the dust collection effect of the dust collection structure 300 is ensured.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a wall is mended flat grinding device for architectural decoration which characterized in that: the polishing machine comprises a polishing structure (100), an isolation structure (200) and a dust collection structure (300), wherein the isolation structure (200) and the dust collection structure (300) are installed on the polishing structure (100), the polishing structure (100) comprises a polishing machine box (110), a motor (111) is fixed in the polishing machine box (110), an output shaft of the motor (111) is connected with a main shaft (112), the tail end of the main shaft (112) is coaxially connected with a turntable (113), and sand paper (114) is arranged on the turntable (113);

the isolation structure (200) comprises an isolation plate (210), a mounting plate (211) is arranged at an opening of the isolation plate (210), the mounting plate (211) is of an arc structure, side plates (212) are arranged on two sides of the mounting plate (211), mounting blocks (213) are arranged on two ends of the mounting plate (211), an air cushion (220) is fixed on the mounting plate (211), the air cushion (220) is positioned between the side plates (212), the two ends of the air cushion (220) are fixed on the mounting blocks (213), the height of the side plate (212) is lower than that of the air cushion (220), a connecting plate (230) is arranged above the isolation plate (210), the connecting plate (230) is of a minor arc structure and forms a circle with the mounting plate (211), clamping blocks (231) are arranged on two sides of the connecting plate (230), a clamping groove (232) is arranged at an opening of the mounting plate (211), and the clamping blocks (231) are clamped and matched with the clamping groove (232);

dust collection structure (300) includes dust catcher (310), it leads to dirt mouth (216) to have seted up on division board (210), it is located to lead to dirt mouth (216) the below of division board (210), be equipped with screen cloth (320) in division board (210), screen cloth (320) are connected dust catcher (310) top, dust catcher (310) are including dust absorption box (311), be equipped with negative-pressure air fan (312) in dust absorption box (311), negative-pressure air fan (312) top is equipped with baffle (314), the exhaust column of negative-pressure air fan (312) passes baffle (314), motor (111) below is equipped with sleeve (340), dust catcher (310) sliding connection be in sleeve (340), sleeve (340) top is equipped with a plurality of straps (341), strap (341) cover is established motor (111) outer wall.

2. The wall surface flattening and polishing device for building decoration according to claim 1, characterized in that: the dust collection box is characterized in that a first annular plate (313) is arranged in the dust collection box body (311), a screen (320) is arranged above the partition plate (314), the screen (320) is of an open-ended cylindrical structure, a second annular plate (321) is arranged at an opening of the screen (320), and the shape of the second annular plate (321) is matched with that of the first annular plate (313).

3. The wall surface flattening and polishing device for building decoration according to claim 2, characterized in that: the utility model discloses a dust collection box, including dust collection box (311), dull and stereotyped (330) is equipped with in dust collection box (311) opening part, dull and stereotyped (330) below is equipped with screw thread post (331), screw thread post (331) with the opening threaded connection of dust collection box (311), the bottom surface of screw thread post (331) with second annular plate (321) surface contacts, the bottom surface of second annular plate (321) with the surface of first annular plate (313) contacts.

4. The wall surface flattening and polishing device for building decoration according to claim 1, characterized in that: the mounting block (213) is provided with a round hole (214), a bolt (215) is arranged in the round hole (214), mounting columns (221) are arranged at two ends of the air cushion (220), and the bolt (215) is in threaded connection with the mounting columns (221).

5. The wall surface flattening and polishing device for building decoration according to claim 1, characterized in that: the back of the connecting plate (230) is provided with a cover plate (233), a bottom plate (234) is arranged at the notch above the isolating plate (210), and the lower part of the cover plate (233) is in contact with the upper surface of the bottom plate (234).

6. The wall surface flattening and polishing device for building decoration according to claim 1, characterized in that: the handle (120) is arranged behind the motor (111), the operating rod (121) is arranged on the side face of the motor (111), the anti-skidding structure is arranged on the operating rod (121), and the baffle (122) is arranged on the inner side of the operating rod (121).

7. The wall surface flattening and polishing device for building decoration according to claim 1, characterized in that: the binding band (341) is provided with a pair of locking plates (342), the locking plates (342) are provided with through holes (343), the through holes (343) are internally provided with studs (345), and one end of each stud (345) is in threaded connection with a nut.

8. The wall surface flattening and polishing device for building decoration according to claim 3, characterized in that: dull and stereotyped (330) top is connected with adjusts structure (350), adjust structure (350) including adjusting pipeline (351), the one end of adjusting pipeline (351) is connected on dull and stereotyped (330), it is equipped with regulation seat (352) to adjust pipeline (351) side, it has post groove (353) to open in regulation seat (352), post groove (353) female connection has threaded rod (355), the one end of threaded rod (355) is connected with ball (356), the other end color number of threaded rod (355) has torsion bar (358), torsion bar (358) are located adjust the seat (352) outside.

9. The wall surface flattening and polishing device for building decoration according to claim 8, characterized in that: the middle section of the column groove (353) is provided with a sealing groove (354), the outer wall of the threaded rod (355) is fixedly connected with an elastic diaphragm (357), and the outer side of the elastic diaphragm (357) is fixed on the inner wall of the sealing groove (354).

10. The wall surface flattening and polishing device for building decoration according to claim 1, characterized in that: lead to dirt mouth (216) in-connection and have dust absorption mouth (360), dust absorption mouth (360) below is equipped with connecting tube (370), connecting tube (370) two are equipped with interface (371), interface (371) respectively with dust absorption mouth (360) tail end and regulation pipeline (351) tail end threaded connection.