Wall surface polishing and grinding device

Abstract

The utility model discloses a wall polishing and grinding device, which belongs to the technical field of polishing and grinding and comprises a shaft disc, a rotating shaft coaxially penetrates through the shaft disc, a polishing and grinding component is fixedly arranged at the left end of the rotating shaft, the right end of the rotating shaft is fixedly arranged with an output shaft of a motor, and an annular sucker is arranged on the left side surface of the shaft disc. A plurality of suction holes are evenly formed in the left side face of the annular suction cup in the circumferential direction, an annular space is coaxially formed in the shaft disc, the right end of each suction hole communicates with the annular space formed in the shaft disc, a communicating pipe communicating with the annular space is fixedly arranged on the side face of the shaft disc, and the communicating pipe is connected with a dust suction device through a hose. When the device is used and the suction holes of the annular suction cup need to be cleaned, the ring body is pushed to move leftwards, so that the cleaning rods are pushed by the ring body to move leftwards, each cleaning rod is inserted into the corresponding suction hole, and blockages in each suction hole are pushed out by the cleaning rods from the left side of the annular suction cup; the purpose of quickly cleaning the suction holes is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of wall surface polishing technology, especially relates to a wall surface polishing device. BACKGROUND

[0002] The wall grinding machine can be divided into two kinds of dust and dust. Dust polishing, although the efficiency is improved, the machine price is slightly cheaper, and the dust is still not solved. Dust-free polishing not only solves the problem of slow polishing speed, but also solves the problem of dust generation.

[0003] For dust-free polishing of the wall grinding machine, generally including a suction cup and a polishing assembly, the suction cup is adsorbed on the wall, the polishing assembly rotates to polish the wall, the debris and dust generated by polishing are sucked away by the suction cup, the dust is prevented from diffusing, a plurality of suction holes are usually provided on the suction cup along the circumference, in normal use, the negative pressure generated by the suction hole makes the suction cup adsorb on the wall; At the same time, the suction hole can also absorb the debris and dust generated by polishing; The effect of dust-free working environment is achieved; But in actual use, the suction hole is easy to be blocked by dust and debris, which causes the adsorption force of the suction cup to be insufficient, so that the adsorption force of the suction cup adsorbed on the wall is insufficient, which affects the work, and the suction hole of the suction cup needs to be cleaned to be used again, and the cleaning of the suction hole is more troublesome, which needs to disassemble the suction cup, which is time-consuming and labor-saving, and affects the working efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a wall surface polishing device, which has the advantages of cleaning the suction hole of the suction cup, effectively solving the problem of the wall grinding machine in the prior art that the suction hole is easy to block and affects the working efficiency.

[0005] The utility model adopts the following technical scheme: a wall surface polishing device, including the axle disc, the coaxial rotation shaft is equipped on the axle disc, the left end of the rotation shaft is fixedly arranged with the polishing assembly, the right end of the rotation shaft is fixedly arranged with the output shaft of motor, the left side surface of the axle disc is provided with the annular suction cup, the left side surface of the annular suction cup is evenly provided with a plurality of suction holes along the circumferential direction, the inside of the axle disc is coaxially provided with the annular space, the right end of each suction hole is in communication with the annular space provided on the axle disc, the side surface of the axle disc is fixedly provided with the communication pipe in communication with the annular space, and the communication pipe is connected with the dust collection device through the hose.

[0006] Further, a plurality of cleaning rods corresponding to the suction holes are slidably arranged in the axle disc along the left-right direction, each cleaning rod can be inserted into the corresponding suction hole by moving leftward, and the left side surface of each ring body is fixedly arranged with the right end of the cleaning rod.

[0007] Further, the left side of the shaft disc is fixedly provided with a plurality of connecting pipes corresponding to the suction holes in the circumferential direction, the left end of the connecting pipe is inserted into the corresponding suction hole, and the right end of the connecting pipe is in communication with the annular space; each cleaning rod can be inserted into the corresponding connecting pipe by moving leftwards; and the annular suction disc and the shaft disc are connected by inserting the connecting pipe into the suction hole of each annular suction disc.

[0008] Further, the shaft disc comprises a left disc, a right disc and a shaft sleeve fixed coaxially between the left disc and the right disc, the circumferential outer surfaces of the left disc and the right disc are fixedly provided with annular plates, and the annular plate, the shaft sleeve, the left disc and the right disc jointly form an annular space; the rotating shaft is rotationally connected in the shaft sleeve, and the connecting pipe is fixedly provided on the left disc; and the ring body is slidably arranged between the annular plate and the right disc in the left-right direction.

[0009] Further, a plurality of guide rails are arranged in the shaft disc, each guide rail is fixedly arranged on the circumferential outer surfaces of the left disc and the right disc, the inner side of the ring body is provided with a plurality of guide grooves in the left-right direction, and the ring body is slidably connected with the left disc and the right disc through the cooperation of the guide grooves and the guide rails.

[0010] Further, the left side of the ring body is fixedly provided with a plurality of driving rods, the left end of the driving rod is inserted into the corresponding connecting pipe, extends to the left end of the connecting pipe and is rotationally connected with a locking head, the locking head comprises a hexagonal driving block and a hollow threaded column fixed on the right side surface of the hexagonal driving block, the hollow threaded column is rotationally connected with the left end of the driving rod, the hollow threaded column is threadedly connected with the corresponding connecting pipe, and the hexagonal driving block is located in the corresponding suction hole.

[0011] Further, the circumferential outer surface of the left disc is fixedly provided with an end plate, the end plate is fixedly arranged with the annular plate through screws, and each connecting pipe is fixedly arranged on the end plate.

[0012] Further, the right side of the shaft disc is fixedly provided with a mounting bracket, and the motor is fixedly arranged in the mounting bracket; the outer surface of the mounting bracket is hingedly connected with a support, the side surface of the support away from the mounting bracket is fixedly provided with a hand holding rod, a through hole is formed in the hand holding rod along an axis, the other end of the hose connected with the communicating pipe is connected with the end of the hand holding rod close to the mounting bracket, the hose is in communication with the through hole of the hand holding rod, and the end of the hand holding rod away from the mounting bracket is connected with the suction pipe of the dust collection device.

[0013] Further, the polishing assembly comprises a polishing disc and polishing sandpaper, the polishing disc is fixed on the left end of the rotating shaft through fixing bolts, and the polishing sandpaper is attached to the left side surface of the polishing disc.

[0014] Further, the left side surface of the annular suction disc is fixedly provided with flexible brush hairs.

[0015] Compared with the prior art, the application has the following beneficial effects:

[0016] One, the utility model discloses a ring body and cleaning rod are set up, when needing to clean the suction hole of annular suction disc in use, through the left movement of ring body by pushing, and then make ring body push cleaning rod left movement, make each cleaning rod all insert corresponding suction hole in, make the plug in each suction hole all be pushed out from the left side of annular suction disc by cleaning rod, realize the purpose of quick cleaning of suction hole.

[0017] Two, the utility model discloses drive rod, locking head and connecting pipe are set up, when needing to clean suction hole and connecting pipe in the use of this device, first dismount annular suction disc, then through the rotation of tool clamping hexagonal drive block, and then drive hollow screw column to rotate, make locking head and corresponding connecting pipe separate, then pull the hexagonal drive block to left side, and the hexagonal drive block drives drive rod to move left through hollow screw column, and then drive ring body to slide left, and ring body drives each cleaning rod to move left, make each cleaning rod all insert corresponding connecting pipe in, make the plug in each connecting pipe be pushed out, complete the purpose of clearing of connecting pipe. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is three-dimensional structure schematic diagram of polishing assembly in the utility model;

[0020] Figure 3 It is three-dimensional structure schematic diagram of ring piece in the utility model; Figure 2 It is the structure enlarged schematic diagram of A in the utility model;

[0021] Figure 4 It is three-dimensional structure schematic diagram of mounting frame in the utility model;

[0022] Figure 5 It is three-dimensional structure schematic diagram of annular suction disc, polishing sandpaper, polishing disc and axle disc separation state in the utility model;

[0023] Figure 6 It is three-dimensional structure schematic diagram of end plate in the utility model;

[0024] Figure 7 It is three-dimensional structure schematic diagram of axle disc inside in the utility model;

[0025] Figure 8 It is inside structure schematic diagram of axle disc in the utility model;

[0026] Figure 9 It is three-dimensional structure schematic diagram of ring piece inside in the utility model;

[0027] Figure 10 It is three-dimensional structure schematic diagram of ring piece inside in the utility model;Figure 9 structure in B in the figure is enlarged;

[0028] Figure 11 is a three-dimensional structure diagram of the connecting pipe in the utility model;

[0029] Figure 12 is a three-dimensional structure diagram of the guide rod in the utility model;

[0030] Figure 13 is a three-dimensional structure diagram of the ring piece in the utility model;

[0031] Figure 14 is a three-dimensional structure diagram of the disc piece in the utility model;

[0032] Figure 15 is a three-dimensional structure diagram of the shaft sleeve in the utility model.

[0033] In the figure, 1, shaft disc; 2, rotating shaft; 3, polishing assembly; 4, motor; 5, annular suction disc; 6, suction hole; 7, annular space; 8, communicating pipe; 9, hose; 10, cleaning rod; 11, ring body; 12, connecting pipe; 13, disc piece; 14, shaft sleeve; 15, ring piece; 16, guide rail; 17, driving rod; 18, locking head; 19, hexagonal driving block; 20, hollow threaded column; 21, end plate; 22, screw; 23, mounting frame; 24, support; 25, handheld rod; 26, suction pipe; 27, polishing disc; 28, polishing sandpaper; 29, fixing bolt; 30, flexible brush. DETAILED DESCRIPTION

[0034] Please refer to Figures 1-15 , the following will be described in detail in combination with the drawings and examples, the following angle direction words are all with Figure 4 :

[0035] The wall surface polishing device, including axle disc 1, axle disc 1 coaxial wear is provided with rotating shaft 2, the left end of rotating shaft 2 is fixedly arranged with polishing assembly 3, the right end of rotating shaft 2 is fixedly arranged with the output shaft of motor 4, the left side of axle disc 1 is provided with annular suction disc 5, the left side of annular suction disc 5 is evenly provided with a plurality of suction holes 6 along the circumferential direction, the inside of axle disc 1 is coaxially provided with annular space 7, the right end of each suction hole 6 is communicated with the annular space 7 opened on axle disc 1, the side of axle disc 1 is fixedly provided with the communication pipe 8 communicated with annular space 7, and the communication pipe 8 is connected with the dust collection device through the hose 9;When using, the dust collection device is opened, so that the negative pressure is generated in the annular space 7, then the annular suction disc 5 is attached to the wall surface, the annular suction disc 5 can be adsorbed on the wall surface through the suction hole 6, then the motor 4 is started, the motor 4 drives the polishing assembly 3 to rotate through the rotating shaft 2, so that the polishing assembly 3 rotates to polish the wall surface, the debris generated by polishing enters the annular space 7 through the suction hole 6, then enters the dust collection device through the communication pipe 8 and the hose 9, realizes the purpose of collecting dust and debris while polishing the wall surface by the polishing assembly 3, prevents dust from polluting the working environment;By moving the annular suction disc 5 on the wall surface, the polishing assembly 3 can polish the entire wall surface.

[0036] In the normal use of the polishing device, the suction hole 6 is easy to be blocked, and is not easy to clean, so that the annular suction disc 5 needs to be disassembled to clean the debris blocked in the suction hole 6, which is troublesome to operate, and meanwhile, a large amount of garbage in the annular space 7 cannot enter the dust collection device after long-term use, so that it cannot be cleaned, in order to solve the above problems, in the embodiment, a plurality of cleaning rods 10 corresponding to the suction hole 6 are slidably arranged in the axle disc 1 along the left-right direction, each cleaning rod 10 moves leftward and can be inserted into the corresponding suction hole 6;A plurality of annular bodies 11 are slidably arranged in the axle disc 1 along the left-right direction, and the left side of each annular body 11 is fixedly arranged with the right end of the cleaning rod 10;When the polishing device is used, when a plurality of suction holes 6 are blocked to affect the adsorption force of the annular suction disc 5, the annular body 11 can be pushed to move leftward, so that the annular body 11 pushes the cleaning rod 10 to move leftward, so that each cleaning rod 10 is inserted into the corresponding suction hole 6, so that the blockage in each suction hole 6 is pushed out from the left side of the annular suction disc 5 by the cleaning rod 10, and the purpose of quickly cleaning the suction hole 6 is achieved.

[0037] In order to realize the detachable and mountable of the annular suction disc 5 and the left side of the shaft disc 1, in the embodiment, the left side of the shaft disc 1 is fixedly provided with a plurality of connecting pipes 12 corresponding to the suction holes 6 in the circumferential direction, the left end of the connecting pipe 12 is inserted into the corresponding suction hole 6, and the right end of the connecting pipe 12 is communicated with the annular space 7; each cleaning rod 10 can be inserted into the corresponding connecting pipe 12 by moving leftwards; the connecting pipe 12 is inserted into each suction hole 6 of the annular suction disc 5 to realize the connection of the annular suction disc 5 and the shaft disc 1, which is convenient for dismounting and mounting; when the adsorption force of the annular suction disc 5 is reduced in use, the suction hole 6 and the connecting pipe 12 are generally blocked, at this time, the annular suction disc 5 is dismounted, each suction hole 6 on the annular suction disc 5 is cleaned, then each cleaning rod 10 is driven to move leftwards by the driving ring body 11, so that each cleaning rod 10 is inserted into the corresponding connecting pipe 12, the blockage in the connecting pipe 12 is pushed out by the cleaning rod 10, the purpose of clearing the connecting pipe 12 is realized, and then the annular suction disc 5 can be mounted for use again; due to the connecting pipe 12, the annular suction disc 5 is convenient for dismounting and mounting, and then the suction hole 6 of the annular suction disc 5 is convenient for cleaning.

[0038] In the embodiment, the shaft disc 1 includes a left disc 13, a right disc 13 and a shaft sleeve 14 coaxially fixed between the left disc 13 and the right disc 13, the circumferential outer surfaces of the left disc 13 and the right disc 13 are fixedly provided with ring pieces 15, the ring pieces 15, the shaft sleeve 14, the left disc 13 and the right disc 13 jointly form the annular space 7; the rotating shaft 2 is rotationally connected in the shaft sleeve 14, and the connecting pipe 12 is fixedly provided on the left disc 13; the ring body 11 is slidably arranged between the ring piece 15 and the right disc 13 in the left-right direction; when the suction hole 6 and the connecting pipe 12 need to be cleaned in use, the annular suction disc 5 is first dismounted, each suction hole 6 on the annular suction disc 5 is cleaned, then each cleaning rod 10 is driven to move leftwards by manually pushing the driving ring body 11, so that each cleaning rod 10 is inserted into the corresponding connecting pipe 12, the blockage in the connecting pipe 12 is pushed out by the cleaning rod 10, the purpose of clearing the connecting pipe 12 is realized, and then the annular suction disc 5 can be mounted for use again.

[0039] In the embodiment, a plurality of guide rails 16 are arranged in the shaft disc 1, each guide rail 16 is fixedly arranged on the circumferential outer surfaces of the left disc 13 and the right disc 13, the inner side surface of the ring body 11 is provided with a plurality of guide grooves in the left-right direction, the ring body 11 is slidably connected with the left disc 13 and the right disc 13 through the cooperation of the guide grooves and the guide rails 16, and the cooperation of the guide grooves and the corresponding guide rails 16 makes the ring body 11 more stable when sliding left and right.

[0040] In order to achieve the purpose of fixing the ring body 11 in the left-right direction when using and cleaning the connecting pipe 12, in the embodiment, a plurality of driving rods 17 are fixedly arranged on the left side of the ring body 11, the left end of the driving rod 17 is inserted into the corresponding connecting pipe 12, extends to the left end of the connecting pipe 12 and is rotationally connected with a locking head 18, the locking head 18 includes a hexagonal driving block 19 and a hollow threaded column 20 fixedly arranged on the right side of the hexagonal driving block 19, the hollow threaded column 20 is rotationally connected with the left end of the driving rod 17, the hollow threaded column 20 is threadedly connected with the corresponding connecting pipe 12, and the hexagonal driving block 19 is located in the corresponding suction hole 6; in normal use, the locking head 18 is threadedly connected with the corresponding connecting pipe 12 through the hollow threaded column 20, at this time, the ring body 11 is located between the disc 13 and the ring piece 15 on the right side; when it is necessary to clean the suction hole 6 and the connecting pipe 12, the annular suction disc 5 is first disassembled, then the hexagonal driving block 19 is clamped and rotated through a tool, thereby driving the hollow threaded column 20 to rotate, so that the locking head 18 is separated from the corresponding connecting pipe 12, then the hexagonal driving block 19 is pulled to the left side, the hexagonal driving block 19 drives the driving rod 17 to move to the left through the hollow threaded column 20, thereby driving the ring body 11 to slide to the left, the ring body 11 drives each cleaning rod 10 to move to the left, so that each cleaning rod 10 is inserted into the corresponding connecting pipe 12, so that the blockage in each connecting pipe 12 is pushed out, the purpose of cleaning and unblocking the connecting pipe 12 is achieved, and each suction hole 6 is cleaned after the annular suction disc 5 is disassembled; then the hexagonal driving block 19 is pushed to the right to drive the ring body 11 to move to the right, then the hexagonal driving block 19 is rotated to threadedly connect the hollow threaded column 20 with the corresponding connecting pipe 12, the position of the ring body 11 is fixed, then the annular suction disc 5 is installed, and the annular suction disc 5 can be used again.

[0041] In the embodiment, the circumferential outer surface of the disc 13 on the left side is fixedly provided with an end plate 21, the end plate 21 is fixedly arranged with the ring piece 15 through a screw 22, and each connecting pipe 12 is fixedly arranged on the end plate 21.

[0042] The right side surface of the shaft disc 1 is fixedly provided with a mounting frame 23, and the motor 4 is fixedly arranged in the mounting frame 23; the outer surface of the mounting frame 23 is hingedly connected with a support 24, the side surface of the support 24 away from the mounting frame 23 is fixedly provided with a hand-held rod 25, a through hole is formed in the hand-held rod 25 along an axis, the other end of a hose 9 connected with the communication pipe 8 is connected with the end of the hand-held rod 25 close to the mounting frame 23, the hose 9 is in communication with the through hole of the hand-held rod 25, and the end of the hand-held rod 25 away from the mounting frame 23 is connected with a suction pipe 26 of a dust collection device; in use, the hand-held rod 25 is held by two hands, the dust collection device is started, the annular suction disc 5 is attached to the wall surface, so that the annular suction disc 5 is adsorbed on the wall surface, then the motor 4 is started, the motor 4 drives the polishing assembly 3 to rotate through the rotating shaft 2, so that the polishing assembly 3 polishes the wall surface, the debris generated in the polishing process enters the annular space 7 through the suction hole 6 and the connecting pipe 12, and then enters the through hole of the hand-held rod 25 through the communication pipe 8 and the hose 9, and then the debris enters the dust collection device, so that the collection of the debris is completed; the annular suction disc 5 is moved on the wall surface through the hand-held rod 25, and the entire wall surface is polished; the dust collection device is an existing device, has the functions of dust collection and vacuumizing, and details are not described herein.

[0043] In the embodiment, the polishing assembly 3 comprises a polishing disc 27 and polishing sandpaper 28, the polishing disc 27 is fixed to the left end of the rotating shaft 2 through a fixing bolt 29, and the polishing sandpaper 28 is attached to the left side surface of the polishing disc 27; the motor 4 drives the polishing disc 27 and the polishing sandpaper 28 to rotate through the rotating shaft 2, so that the wall surface is polished.

[0044] In the embodiment, the left side surface of the annular suction disc 5 is fixedly provided with flexible bristles 30, so that the annular suction disc 5 is adsorbed on the wall surface.

[0045] The utility model discloses a working principle: when using, two hands hold handheld rod 25, start dust collection device, and the annular suction cup 5 is attached on the wall, makes the annular suction cup 5 adsorbs on the wall, then starts motor 4, and motor 4 drives the polishing assembly 3 to rotate through rotating shaft 2, makes the polishing assembly 3 and carries out polishing to the wall, and the chippings produced in polishing enter the annular space 7 through suction hole 6 and connecting pipe 12, then through connecting pipe 12 and hose 9 enter the through -hole in handheld rod 25, then chippings enter dust collection device, and the collection of chippings is completed, through handheld rod 25 drive annular suction cup 5 moves on the wall, and the whole wall is polished, when needing to clean suction hole 6 and connecting pipe 12, first, annular suction cup 5 is detached, then through the tool clamping hexagonal drive block 19 rotates, and then drive hollow screw column 20 to rotate, make locking head 18 and corresponding connecting pipe 12 separate, then pull hexagonal drive block 19 to left side, and hexagonal drive block 19 drive driving rod 17 to move to left through hollow screw column 20, and then drive annular body 11 to slide to left, and annular body 11 drive every cleaning rod 10 to move to left, make every cleaning rod 10 all insert corresponding connecting pipe 12, make the blockage in every connecting pipe 12 be pushed out, complete the purpose of the clearing of connecting pipe 12, and the annular suction cup 5 is detached and cleans every suction hole 6, then push hexagonal drive block 19 to right and drive annular body 11 to move to right, then rotate hexagonal drive block 19 to make hollow screw column 20 and corresponding connecting pipe 12 screw connection, realize the fixation of annular body 11 position, then install annular suction cup 5, can use again.

Claims

1. A wall polishing device, comprising a shaft disc (1), characterized in that: A rotating shaft (2) is coaxially passed through the shaft disc (1), a polishing assembly (3) is fixedly provided at the left end of the rotating shaft (2), and the right end of the rotating shaft (2) is fixedly provided with the output shaft of the motor (4). An annular suction cup (5) is provided on the left side of the shaft disc (1), and a plurality of suction holes (6) are evenly provided on the left side of the annular suction cup (5) along the circumferential direction. An annular space (7) is coaxially provided inside the shaft disc (1), and the right end of each suction hole (6) is communicated with the annular space (7) provided on the shaft disc (1). A connecting pipe (8) communicating with the annular space (7) is fixedly provided on the side of the shaft disc (1), and the connecting pipe (8) is connected to the dust collecting device through a hose (9).

2. The wall polishing device according to claim 1, characterized in that: A plurality of cleaning rods (10) corresponding to the suction holes (6) are provided in the shaft disc (1) so as to slide in the left-right direction. Each cleaning rod (10) can be inserted into the corresponding suction hole (6) when it moves to the left. A ring body (11) is provided in the shaft disc (1) so as to slide in the left-right direction. The left side of each ring body (11) is fixed to the right end of the cleaning rod (10).

3. The wall polishing device according to claim 2, characterized in that: A plurality of connecting tubes (12) corresponding to the suction holes (6) are fixedly provided on the left side of the shaft disc (1) along the circumferential direction. The left end of the connecting tube (12) is inserted into the corresponding suction hole (6), and the right end of the connecting tube (12) is communicated with the annular space (7). Each cleaning rod (10) can be inserted into the corresponding connecting tube (12) when it moves to the left. The connection between the annular suction cup (5) and the shaft disc (1) is achieved by inserting the connecting tube (12) into the suction hole (6) of each annular suction cup (5).

4. The wall polishing device according to claim 3, characterized in that: The shaft disc (1) comprises a left disc (13) and a right disc (13) and a shaft sleeve (14) coaxially fixed between the left disc (13) and the right disc (13); an annular piece (15) is fixedly provided on the circumferential outer surface of the left disc (13) and the right disc (13); the annular piece (15), the shaft sleeve (14), the left disc (13) and the right disc (13) together form an annular space (7); the rotating shaft (2) is rotatably connected in the shaft sleeve (14); the connecting pipe (12) is fixedly provided on the left disc (13); and the ring body (11) is slidably provided between the annular piece (15) and the right disc (13) in the left and right directions.

5. The wall polishing device according to claim 4, characterized in that: The shaft disc (1) is provided with a plurality of guide rails (16), each guide rail (16) is fixedly provided with the circumferential outer surface of the left disc (13) and the right disc (13), and the inner side surface of the ring body (11) is provided with a plurality of guide grooves along the left and right directions. The ring body (11) is slidably connected with the left disc (13) and the right disc (13) through the cooperation of the guide grooves and the guide rails (16).

6. The wall polishing device according to claim 4, characterized in that: A plurality of driving rods (17) are fixedly provided on the left side of the ring body (11). The left end of the driving rod (17) is inserted into the corresponding connecting tube (12), extends to the left end of the connecting tube (12), and is rotatably connected to a locking head (18). The locking head (18) includes a hexagonal driving block (19) and a hollow threaded column (20) fixed to the right side of the hexagonal driving block (19). The hollow threaded column (20) is rotatably connected to the left end of the driving rod (17). The hollow threaded column (20) is threadedly connected to the corresponding connecting tube (12). The hexagonal driving block (19) is located in the corresponding suction hole (6).

7. The wall polishing device according to claim 6, characterized in that: An end plate (21) is fixedly provided on the circumferential outer surface of the left disc (13), and the end plate (21) is fixedly provided with the ring plate (15) via screws (22). Each connecting pipe (12) is fixedly provided on the end plate (21).

8. The wall polishing device according to claim 1, characterized in that: A mounting frame (23) is fixedly provided on the right side of the shaft disc (1), and the motor (4) is fixedly provided in the mounting frame (23); a bracket (24) is hingedly connected to the outer surface of the mounting frame (23), and a hand-held rod (25) is fixedly provided on the side of the bracket (24) away from the mounting frame (23), and a through hole is opened in the hand-held rod (25) along the axis. The other end of the hose (9) connected to the connecting pipe (8) is connected to the end of the hand-held rod (25) close to the mounting frame (23), and the hose (9) is connected to the through hole of the hand-held rod (25). The end of the hand-held rod (25) away from the mounting frame (23) is connected to the suction pipe (26) of the dust collection device.

9. The wall polishing device according to claim 1, characterized in that: The polishing assembly (3) includes a polishing disc (27) and polishing sandpaper (28), the polishing disc (27) is fixed to the left end of the rotating shaft (2) by a fixing bolt (29), and the polishing sandpaper (28) is pasted on the left side of the polishing disc (27).

10. The wall polishing device according to claim 1, characterized in that: Flexible bristles (30) are fixedly arranged on the left side of the annular suction cup (5).

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