CN115847214A - Lifting device for decoration - Google Patents

Abstract

The application relates to a lifting device for decoration, which comprises a polishing mechanism, wherein the polishing mechanism comprises a polishing driving source and a polishing piece, when the polishing piece is abutted against a wall surface, the polishing driving source can drive the polishing piece to rotate on the wall surface, the lifting device for decoration also comprises a lifting mechanism, and the lifting mechanism can drive the polishing mechanism to vertically move on the wall surface; the dust sweeping mechanism comprises a sweeping piece, and when the grinding piece leaves the wall surface, the sweeping piece can abut against and rotate on the wall surface ground by the grinding piece; the dust collection mechanism comprises a dust collection piece and an air compressor, the dust collection piece is connected with an air inlet of the air compressor, a dust inlet is formed in the dust collection piece, and the dust inlet faces to a wall surface cleaned by the cleaning piece; the problem that the dust is great when inconvenient and polish of wall eminence can be improved in this application.

Description

Lifting device for decoration

Technical Field

The application relates to a elevating gear's field especially relates to an elevating gear for decoration.

Background

In the building decoration engineering, when the wall construction, the wall needs to be firstly processed by basic layer treatment, plaster leveling, plaster board pasting bandage, white lime scraping, polishing, latex paint brushing, wallpaper pasting and the like. Wherein the major is the process of polishing that goes on after scraping the lime, and the process of polishing mainly also is accomplished by the manual work, and the in-process of polishing is because the wall height problem, and to the higher position of wall, the workman is polished comparatively trouble, when meetting large tracts of land, high higher wall, and the quality of polishing can't be guaranteed, and has the problem that the dust is big at the in-process of polishing, has great influence to human health, has the improvement space.

Disclosure of Invention

In order to improve the wall eminence and polish inconvenient and the great problem of dust when polishing, this application provides a elevating gear for decoration.

The application provides a lifting device for decoration adopts following technical scheme:

a lifting device for decoration comprises a polishing mechanism, wherein the polishing mechanism comprises a polishing driving source and a polishing piece, when the polishing piece is abutted to a wall surface, the polishing driving source can drive the polishing piece to rotate on the wall surface, the lifting device for decoration also comprises a lifting mechanism, and the lifting mechanism can drive the polishing mechanism to vertically move on the wall surface; the dust sweeping mechanism comprises a sweeping piece, and when the grinding piece leaves the wall surface, the sweeping piece can abut against and rotate on the wall surface ground by the grinding piece; dust absorption mechanism, dust absorption mechanism includes dust absorption piece and air compressor, dust absorption piece and air compressor's air intake connection, the dust absorption has been seted up into the dirt mouth on the piece, it cleans the wall after the piece towards to advance the dirt mouth.

By adopting the technical scheme, after the polishing surface of the polishing piece is abutted against the wall surface, the polishing piece is driven to rotate on the wall surface by the polishing driving source, so that the polishing piece and the wall surface generate friction, and the wall surface is polished; after the grinding piece grinds one position of the wall surface, the cleaning end of the cleaning piece is abutted against the wall surface and the cleaning piece is rotated, so that the cleaning piece can clean the firmer powder attached to the wall surface, and the situation that the powder is attached to the wall surface to cause an operator to judge the flatness of the wall surface by mistake is prevented; after the cleaning piece cleans the wall surface, the air compressor is started, dust on the wall surface and in the air is sucked away from the dust inlet of the dust suction piece, so that the effects of absorbing the dust and reducing the dust on the wall surface and in the air are achieved, and the effects of energy conservation and environmental protection are achieved.

Optionally: the dust suction piece is provided with a polishing space with two through ends, and the dust inlet is arranged on the inner wall of the polishing space; the dust absorption piece can lean on in the wall, makes one of them port in the space of polishing is covered by the wall, the piece of polishing can enter into the space of polishing and in by another port in the space of polishing polish the wall in the space of polishing, it is formed with the interval to polish between the inner wall in piece and the space of polishing.

By adopting the technical scheme, the dust suction piece grinds the wall surface in the grinding space, dust generated by grinding on the wall surface is enclosed in the grinding space and is difficult to escape, the dust inlet is shot on the inner wall of the grinding space, and the dust suction piece can timely absorb the dust in the grinding space; in addition, the dust suction piece is arranged in the polishing space, so that the polished wall surface can be observed, the visibility is higher, and the dust suction piece has the effect of facilitating observation.

Optionally, a dust suction chamber is arranged in the dust suction piece, the dust inlet is communicated with the dust suction chamber, and an air inlet of the air compressor is communicated with the dust suction chamber.

Through adopting above-mentioned technical scheme, the dust absorption cavity is used for communicateing all dust inlets, and the dust of all dust inlets inhales carries out the transfer in inhaling the dust cavity, is being inhaled to the air compressor in the end.

Optionally, the polishing mechanism is slidably disposed on the dust suction member, and the polishing member slides into or out of the polishing space.

Through adopting above-mentioned technical scheme, because the less abrasive paper on the piece of polishing of being not convenient for of the space of polishing, the piece of polishing is through sliding in order realizing getting into or leaving the space of polishing on the dust absorption piece, has the effect of being convenient for observe and change the abrasive paper on the piece of polishing

Optionally, the dust sweeping mechanism further comprises a rotating part, the cleaning part is arranged on the rotating part, the rotating part is rotatably connected to the inner wall of the polishing space, and when the polishing part leaves the polishing space, the rotating part drives the cleaning part to rotate in the polishing space.

By adopting the technical scheme, after the polishing part finishes polishing and the cleaning part is abutted to the wall surface, the dust sweeping mechanism drives the cleaning part to rotate through the rotating part so as to clean the wall surface in the polishing space.

Optionally, the lifting device for decoration further comprises a linkage assembly, and when the polishing mechanism slides on the dust suction piece, the polishing piece drives the rotating piece to rotate through the linkage assembly.

Through adopting above-mentioned technical scheme, the piece of polishing drives through the linkage subassembly and rotates the piece and rotate, plays the linkage effect, and need not additionally to increase the driving source, and the action links up, and the wall cleans efficiently.

Optionally, the linkage assembly includes a linkage gear, a mating gear and a linkage rack; a circle of teeth are arranged on the outer wall of the rotating part along the circumferential direction, the linkage gear is meshed with the teeth on the rotating part, and the rotating axis of the linkage gear is perpendicular to that of the rotating part; the polishing device comprises a polishing mechanism, a linkage rack, a matching gear, a linkage gear and a linkage rack, wherein the matching gear is coaxially and fixedly connected with the linkage gear, the linkage rack is arranged on the polishing mechanism along the sliding direction of the polishing mechanism, and the linkage rack is meshed with the matching gear.

By adopting the technical scheme, the linkage assembly realizes synchronous rotation between the rotating parts with mutually vertical rotating shafts in a mode of bevel gear matching (linkage gear and matching gear matching), and realizes movement driving rotation through the meshing of the linkage rack and the matching gear so as to achieve the purpose of driving the rotating parts to rotate through the movement of the polishing mechanism.

Optionally, in the process that the grinding part enters the grinding space, the grinding mechanism drives the cleaning part to leave the grinding space, and in the process that the grinding part leaves the grinding space, the cleaning part enters the grinding space.

Through adopting above-mentioned technical scheme, grinding machanism can drive whether to rotate on the wall and polish the back of polishing according to whether accomplishing polishing, and simple structure is effective and saved the driving source, plays energy-concerving and environment-protective effect.

Optionally, an accommodating groove communicated with the polishing space is formed in the rotating member, one end of the cleaning member is rotatably connected in the accommodating groove, an elastic member is arranged between the cleaning member and the inner wall of the accommodating groove, and the elastic member enables the cleaning member to be located in the polishing space in an initial state; the polishing mechanism further comprises a linkage part, when the polishing part enters the polishing space, the linkage part is abutted to the cleaning part and drives the cleaning part to enter the containing groove, when the polishing part leaves the polishing space, the linkage part is separated from the cleaning part, and the cleaning part enters the polishing space under the action of the elastic part.

Through adopting above-mentioned technical scheme, the holding tank is used for accomodating and cleaning the piece when the piece of polishing grinds the wall in the space of polishing, and the elastic component is used for driving and cleans the piece and enter into the space of polishing and carry out cleaning of wall dust in the space of polishing after the piece of polishing leaves the space of polishing, and the linkage then plays and slides the effect that removes to the holding tank in as the driving source drive to clean the piece in the in-process in the space of polishing mechanism, and simple structure is effective, practices thrift the driving source.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after a polishing surface of a polishing piece is abutted against a wall surface, the polishing piece is driven to rotate on the wall surface through a polishing driving source, so that the polishing piece and the wall surface generate friction, and the wall surface is polished;

2. after the grinding piece grinds one position of the wall surface, the cleaning end of the cleaning piece is abutted against the wall surface and the cleaning piece is rotated, so that the cleaning piece can clean the firmer powder attached to the wall surface, and the situation that the powder is attached to the wall surface to cause an operator to judge the flatness of the wall surface by mistake is prevented; after the cleaning piece cleans the wall surface, the air compressor is started, dust on the wall surface and in the air is sucked away from the dust inlet of the dust suction piece, so that the effects of absorbing the dust and reducing the dust on the wall surface and in the air are achieved, and the effects of energy conservation and environmental protection are achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of a lifting device for decoration in the embodiment of the present application.

FIG. 2 is a schematic structural view of a dust suction mechanism, a dust suction mechanism and a grinding mechanism of the lifting device for decoration according to the embodiment of the present application.

Fig. 3 is an exploded view of the dust suction mechanism, and the grinding mechanism of the lifting device for decoration according to the embodiment of the present application.

Fig. 4 is a schematic structural view of a cleaning mechanism of the lifting device for decoration in the embodiment of the present application.

FIG. 5 is a schematic view showing the structure of a dust suction mechanism of the lifting device for decoration according to the embodiment of the present application.

FIG. 6 is a schematic partial sectional view of a dust suction member of the lifter for finishing according to the embodiment of the present application.

Fig. 7 is a schematic structural view of a link assembly of the lifter for finishing according to the embodiment of the present application.

Description of reference numerals: 1. a base; 11. a universal wheel; 2. a lifting mechanism; 3. a working platform; 31. a working space; 32. a fixed seat; 4. a polishing mechanism; 41. polishing the base; 411. a carriage; 412. an operating handle; 413. a linkage member; 4131. an inclined end surface; 42. polishing a driving source; 43. polishing the workpiece; 5. a dust sweeping mechanism; 51. a cleaning member; 52. a rotating member; 521. teeth; 522. accommodating grooves; 53. an elastic member; 6. a dust suction mechanism; 61. a storage box; 62. an air compressor; 63. a dust collection member; 631. a dust inlet; 632. polishing the space; 633. a dust collection chamber; 634. a guide seat; 64. a hose; 65. fixing a bracket; 7. a linkage assembly; 71. a linkage gear; 72. a mating gear; 73. and (4) linking the racks.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses elevating gear for decoration, this elevating gear for decoration is applied to interior decoration's wall and polishes the in-process, has the effect of being convenient for polish and absorbing the dust.

Referring to fig. 1, the lifting device for decoration comprises a base 1, a working platform 3, a lifting mechanism 2, a grinding mechanism 4, a dust sweeping mechanism 5 and a dust suction mechanism 6. Base 1 is as holistic bearing structure, the staff carries out the operation on work platform 3, elevating system 2 is used for driving the staff and removes to the wall and exceeds or other positions that are difficult to polish carry out the operation of polishing, the staff adopts grinding machanism 4 to polish to the wall, the staff cleans through sweeping dirt mechanism 5 remaining dust after polishing on with the wall, dust absorption mechanism 6 is arranged in absorbing wall and the adnexed dust in the air, reduce air pollution, improve the air quality.

Referring to fig. 1, the base 1 is a supporting structure of the whole device, the bottom of the supporting structure is provided with a universal wheel 11 which can move indoors, and the base 1 is further provided with a motor and an electric control system (not shown) which are used for controlling the base 1 to automatically move to a designated position by a person.

Referring to fig. 1, the lifting mechanism 2 is fixedly installed on the base 1, the lifting mechanism 2 is a scissor lift, and in other embodiments, the lifting mechanism 2 may also be a rail-type or crank-type lift.

Referring to fig. 1, on 3 fixed mounting of work platform and elevating system 2, elevating system 2 drove work platform 3 and has operation space 31 along vertical movement according to the demand on the workstation, the staff polishes the wall in operation space 31. A fixed seat 32 is also fixedly arranged on the workbench, and the polishing mechanism 4 is fixedly inserted on the fixed seat 32, so that a worker can perform polishing operation without holding the polishing mechanism by hand; of course, the grinding mechanism 4 can be separated from the fixing seat 32 and then be held by a worker for operation, so that a plurality of operation modes can be provided.

Referring to fig. 2 and 3, the polishing mechanism 4 includes a polishing seat 41, a polishing driving source 42 and a polishing member 43, the polishing driving source 42 is a motor in this embodiment, the polishing driving source 42 is fixedly mounted on the polishing seat 41, the rotating end of the polishing driving source 42 is fixedly connected with the polishing member 43, abrasive paper is pasted on the polishing surface of the polishing member 43, the abrasive paper is abutted against the wall surface, the driving source drives the polishing member 43 to rotate, the abrasive paper is driven to rotate on the wall surface and generate friction, and thus the wall surface is polished. An operating handle 412 is fixedly connected to the sanding block 41, and a worker can manually operate the sanding mechanism 4 through the operating handle 412.

Referring to fig. 3, fig. 4, dust sweeping mechanism 5 includes cleaning element 51 and rotation piece 52, the one end of cleaning element 51 is provided with the plastic brush, cleaning element 51 sets up on rotation piece 52, rotation piece 52 can drive cleaning element 51 and rotate, after polishing piece 43 finishes polishing and leaves the wall, cleaning element 51 can butt and rotate on the wall that polishing piece 43 polished, cleaning element 51's plastic brush and wall butt and rotated piece 52 and drive the rotation back, produce the friction between cleaning element 51 and the wall, cleaning element 51 sweeps away the dust that adheres to on the wall through the friction.

Referring to fig. 3 and 5, the dust suction mechanism 6 is provided in operation, and the dust suction mechanism 6 includes a housing box 61, an air compressor 62, and a dust collector 63. The containing box 61 and the air compressor 62 are fixedly arranged on the workbench, the discharge port of the air compressor 62 is connected with the inside of the containing box 61, the air inlet of the air compressor 62 is connected with the dust suction piece 63, and a long hose 64 is arranged at the connection part, so that the dust suction piece 63 can freely move in a large range; the dust suction piece 63 is provided with a dust inlet 631, and the dust inlet 631 faces the wall surface cleaned by the dust suction piece 63; the air compressor 62 is started, and dust on the wall surface and in the air is sucked from the dust inlet 631 into the storage box 61, so that dust generated when the wall surface is polished is reduced.

Referring to fig. 3 and 5, the dust suction mechanism 6 further includes a fixing bracket 65, the dust suction member 63 is fixedly mounted on the fixing bracket 65, and the fixing bracket 65 is fixed to the fixing base 32 in an inserting manner, so that the dust suction member 63 can be manually held and also can be mounted on the workbench.

Referring to fig. 5 and 6, the dust collector 63 has a polishing space 632 with two through ends, the opening direction of the polishing space 632 is perpendicular to the wall surface, the opening of the polishing space 632 is circular and is located at the axial center of the dust collector 63, so that the dust collector 63 is annular as a whole, and the polishing space 632 has a collecting function to reduce the overflow of dust. Dust absorption piece 63 can support through handheld or base 1's removal and lean on in the wall, make the port towards the wall of space 632 of polishing covered by the wall, the piece 43 of polishing can enter into the space 632 of polishing and polish the wall in the space 632 of polishing by another port of space 632 this moment, and the abrasive paper area of the piece 43 of polishing is far less than the area of the interior wall of space 632 of polishing and the area of the space 632 port of polishing, make and be formed with the interval between the inner wall of the space 632 of polishing 43 and polishing, the blank when polishing 43 in the space 632 of polishing is more, the condition of polishing of the interior wall of space 632 of polishing can in time be observed to the operating personnel.

Referring to fig. 5 and 6, a plurality of dust inlets 631 are uniformly formed in the inner wall of the polishing space 632 along the circumferential direction, the polishing member 43 has a dust suction chamber 633 which is annular and coaxial with the polishing space 632, all the dust inlets 631 are connected to the dust suction chamber 633, and the air inlet of the air compressor 62 is communicated with the dust suction chamber 633. The dust suction chamber 633 is used for communicating with all the dust inlets 631, and dust sucked by all the dust inlets 631 is sucked into the dust suction chamber 633 for transfer and finally sucked into the storage box 61.

Referring to fig. 2 and 3, the polishing mechanism 4 is slidably disposed on the dust collector 63 along the opening direction of the polishing space 632, and the polishing member 43 enters the polishing space 632 through sliding to abut against the wall surface in the polishing space 632 or leave the polishing space 632 after polishing is finished, so that the polishing member 43 can conveniently leave and enter the polishing space 632, and the sand paper can be conveniently replaced. Specifically, the polishing seat 41 is provided with a sliding frame 411, the dust collector 63 is fixedly connected with two guide seats 634 arranged at intervals along the circumferential direction, and two ends of the sliding frame 411 are respectively positioned on the corresponding guide seats 634 in a sliding manner along the direction perpendicular to the wall surface.

Referring to fig. 3 and 4, the rotating member 52 is rotatably connected to the inner wall of the polishing space 632, the plastic brush of the rotating member 52 is always abutted to the wall surface, the rotating member 52 is annular and coaxially arranged with the polishing space 632, the cleaning member 51 is located in the polishing space 632, the cleaning member 51 can clean the wall surface in the polishing space 632 after rotating, and the cleaned dust is sucked away by the dust inlet 631 on the inner wall of the polishing space 632.

Referring to fig. 7, in order to drive the rotation member 52 to rotate, the lifting device for decoration further includes a linkage assembly 7, and when the polishing mechanism 4 slides on the dust suction member 63, the polishing member 43 drives the rotation member 52 to rotate through the linkage assembly 7.

Referring to fig. 7, the linkage assembly 7 includes a linkage gear 71, a mating gear 72, and a linkage rack 73. A circle of teeth 521 is circumferentially arranged on the outer wall of the rotating part 52, the linkage piece 413 is rotatably positioned between the outer wall of the rotating part 52 and the inner wall of the polishing space 632, the linkage gear 71 is meshed with the teeth 521 on the rotating part 52, and the rotation axis of the linkage gear 71 is perpendicular to the rotation axis of the rotating part 52, so that the linkage gear 71 rotates to drive the rotating part 52 to rotate together along different directions. The matching gear 72 is coaxially and fixedly connected with the linkage gear 71, the linkage rack 73 is fixedly installed on the sliding frame 411 along the sliding direction of the polishing mechanism 4, the linkage rack 73 enters the linkage piece 413 after entering the guide seat 634 and is positioned between the outer wall of the rotating piece 52 and the inner wall of the polishing space 632 in a rotating manner, and the linkage rack 73 is meshed with the matching gear 72, so that the cleaning piece 51 is driven to rotate the rotating piece 52 when the polishing mechanism 4 slides on the dust suction piece 63, and the cleaning piece 51 is further driven to rotate.

Referring to fig. 3 and 4, in order to avoid interference of the polishing member 43 when the polishing member 43 polishes the wall surface in the polishing space 632, the polishing mechanism 4 drives the cleaning member 51 to leave the polishing space 632 when the polishing member 43 enters the polishing space 632; during the process of the grinding member 43 leaving the grinding space 632, the grinding mechanism 4 drives the cleaning member 51 into the grinding space 632.

Referring to fig. 3 and 4, a receiving groove 522 communicating with the grinding space 632 is formed in the rotating member 52, one end of the cleaning member 51 is rotatably connected to the receiving groove 522, and the rotating member 52 is rotated into the receiving groove 522 when the grinding member 43 grinds.

Referring to fig. 3 and 4, in order to facilitate the cleaning element 51 to clean the wall surface in the polishing space 632 after the polishing element 43 finishes polishing and leaves the polishing space 632, an elastic element 53 is disposed between the cleaning element 51 and the inner wall of the accommodating groove 522, in this embodiment, the elastic element 53 is a spring, and two ends of the elastic element 53 are respectively fixedly connected with the inner wall of the accommodating groove 522 and the cleaning element 51. In the initial state, the elastic member 53 positions the cleaning member 51 in the sanding space 632, and after the sanding member 43 leaves the sanding space 632, the cleaning member 51 is rotated into the sanding space 632 by the elastic member 53.

Referring to fig. 2, 3 and 4, in order to facilitate the cleaning element 51 to be retracted into the accommodating groove 522 after the elastic element 53 is disposed, a linkage 413 is disposed on the sliding frame 411, and the polishing element 43 drives the linkage 413 to slide and control the cleaning element 51 to enter or leave the polishing space 632.

Referring to fig. 2, 3 and 4, in the process that the polishing member 43 enters the polishing space 632, the link 413 moves towards the polishing space 632, the link 413 abuts against the cleaning member 51 located in the polishing space 632 through the elastic member 53, the position of the link 413 abutting against the cleaning member 51 is an inclined end face 4131, and in the process that the link 413 moves towards the polishing space 632 along the wall surface, the inclined end face 4131 abuts against the cleaning member 51 and overcomes the elastic force of the elastic member 53, and the link 413 gradually pushes the cleaning member 51 into the accommodating groove 522, so that the polishing member 43 can polish and the cleaning member 51 can not interfere with the operation of the polishing member 43.

Referring to fig. 2, 3, and 4, in the process that the polishing element 43 leaves the polishing space 632, the link 413 gradually leaves the polishing space 632 until the link 413 and the cleaning element 51 are not abutted, and the cleaning element 51 enters the polishing space 632 again under the action of the elastic element 53, so as to clean the polishing workpiece. It should be noted that the linkage 413 does not interfere with the rotation of the rotating member 52 by the polishing member 43 during the movement and abutment of the linkage 413 against the cleaning member 51 and the gradual separation of the linkage 413 from the polishing space 632 and the cleaning member 51.

The lifting device for decoration comprises the following states: polishing 43 moves towards the space of polishing 632, until polishing 43 on sand paper and polish the wall butt in the space of polishing 632, polishing 43 removes towards keeping away from the space of polishing 632 after a period of time, so relapse for cleaning 51 is periodic cleans the wall in the space of polishing 632, in order to guarantee that the wall state of polishing is clear.

This elevating gear for decoration still possesses another kind of state: the piece 43 of polishing is on the wall in long-time butt and the space 632 of polishing, carries out lasting polishing, and this state is applied to and carries out the processing that becomes more meticulous with the wall surface.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (9)

1. The utility model provides a lifting device for decoration, includes grinding machanism (4), grinding machanism (4) are including the driving source (42) of polishing and polish (43), work as polish (43) and wall butt back, the driving source (42) of polishing can drive polish (43) and rotate its characterized in that on the wall: the lifting device for decoration also comprises

The lifting mechanism (2) can drive the polishing mechanism (4) to vertically move on the wall surface;

the dust sweeping mechanism (5), the dust sweeping mechanism (5) comprises a sweeping piece (51), and when the grinding piece (43) leaves the wall surface, the sweeping piece (51) can abut against and rotate on the wall surface ground by the grinding piece (43);

dust absorption mechanism (6), dust absorption mechanism (6) are including dust absorption piece (63) and air compressor (62), the air intake connection of dust absorption piece (63) and air compressor (62), dust inlet (631) have been seted up on dust absorption piece (63), dust inlet (631) face the wall after cleaning piece (51) cleans.

2. A lifting device for finishing as claimed in claim 1, wherein: the dust suction piece (63) is provided with a polishing space (632) with two through ends, and the dust inlet (631) is arranged on the inner wall of the polishing space (632); dust absorption piece (63) can support and lean on the wall, make one of them port in the space of polishing (632) is covered by the wall, polish (43) can enter into in the space of polishing (632) and in polish the wall in the space of polishing (632), it is formed with the interval to polish between the inner wall in space (632) and the space of polishing (43).

3. The lifting device for finishing as claimed in claim 2, wherein: be equipped with dust absorption cavity (633) in dust absorption piece (63), dust inlet (631) and dust absorption cavity (633) intercommunication, the air intake and the dust absorption cavity (633) intercommunication of air compressor (62).

4. A lifting device for finishing as claimed in claim 2, wherein: the grinding mechanism (4) is arranged on the dust suction piece (63) in a sliding mode, and the grinding piece (43) enters or leaves the grinding space (632) through sliding.

5. A lifting device for finishing as claimed in claim 4, wherein: sweep dust mechanism (5) still include and rotate piece (52), clean piece (51) and set up on rotating piece (52), rotate piece (52) rotate connect in on the inner wall of space of polishing (632), work as polishing (43) leave behind space of polishing (632), it drives to rotate piece (52) clean piece (51) in space of polishing (632) internal rotation.

6. A lifting device for finishing as claimed in claim 5, wherein: the lifting device for decoration comprises a linkage assembly (7), wherein when the polishing mechanism (4) slides on the dust suction piece (63), the polishing piece (43) drives the rotating piece (52) to rotate through the linkage assembly (7).

7. A lifting device for finishing as claimed in claim 6, wherein: the linkage assembly (7) comprises a linkage gear (71), a matching gear (72) and a linkage rack (73); a circle of teeth (521) are arranged on the outer wall of the rotating part (52) along the circumferential direction, the linkage gear (71) is meshed with the teeth (521) on the rotating part (52), and the rotating axis of the linkage gear (71) is perpendicular to the rotating axis of the rotating part (52); the grinding device is characterized in that the matching gear (72) is coaxially and fixedly connected with the linkage gear (71), the linkage rack (73) is arranged on the grinding mechanism (4) along the sliding direction of the grinding mechanism (4), and the linkage rack (73) is meshed with the matching gear (72).

8. A lifting device for finishing as claimed in claim 4, wherein: in the process that the grinding piece (43) enters the grinding space (632), the grinding mechanism (4) drives the cleaning piece (51) to leave the grinding space (632), and in the process that the grinding piece (43) leaves the grinding space (632), the cleaning piece (51) enters the grinding space (632).

9. The lifting device for finishing as claimed in claim 8, wherein: an accommodating groove (522) communicated with the grinding space (632) is formed in the rotating piece (52), one end of the cleaning piece (51) is rotatably connected into the accommodating groove (522), an elastic piece (53) is arranged between the cleaning piece (51) and the inner wall of the accommodating groove (522), and the cleaning piece (51) is positioned in the grinding space (632) by the elastic piece (53) in an initial state; grinding machanism (4) still include linkage (413), work as back in grinding space (632) is entered into to grinding (43), in linkage (413) and cleaning (51) butt and drive cleaning (51) enter into holding tank (522), work as grinding (43) leave behind grinding space (632), linkage (413) and cleaning (51) separation, cleaning (51) enter into in grinding space (632) under the effect of elastic component (53).

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