CN114714179A

CN114714179A - Dust collection device for building decoration

Info

Publication number: CN114714179A
Application number: CN202210048968.6A
Authority: CN
Inventors: 邓志豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-07-08

Abstract

The invention belongs to the technical field of collecting devices, and particularly relates to a dust collecting device for building decoration, which comprises a polishing disc, a motor and a vehicle body, wherein shielding plates are symmetrically arranged outside the motor, collecting grooves are formed in the left ends of the two shielding plates, n-shaped plates are arranged in the collecting grooves in a sliding mode, a suction fan is arranged on one side of each shielding plate and is connected with an air pipe, the air pipes are communicated with the collecting grooves on the lower side, a plurality of through holes are formed in the upper ends of the shielding plates on the lower side, a plurality of connecting holes are formed in the upper ends of the n-shaped plates, a discharging hole is formed in the lower end of each shielding plate, and a rubber plug is arranged in the discharging hole; according to the invention, through the matching of the shielding plate, the sliding plate, the balls, the n plate, the collecting tank, the suction fan, the air pipe, the second spring, the baffle plate, the through hole and the connecting hole, the collection of fragments and dust during polishing is completed, and the problems of severe dust raising and difficult fragment cleaning during polishing are avoided.

Description

Dust collection device for building decoration

Technical Field

The invention belongs to the technical field of collecting devices, and particularly relates to a dust collecting device for building decoration.

Background

When a building is decorated, the wall surface needs to be polished and leveled before finishing paint is applied, so that the wall surface is smoother and more attractive, most of the existing decoration processes use abrasive paper to polish manually, and the manual polishing workload is large and is not light; to this, a lot of wall polisher have appeared, through using the polisher, greatly increased the efficiency of polishing, however, at the high-speed during operation of polisher, the raise dust is very severe, causes operating personnel health harm, and when polishing, the fragment that appears when some were polished is difficult to collect, leads to the later stage to clean very trouble.

Disclosure of Invention

In view of the problems in the prior art, an object of the present invention is to provide a dust collecting apparatus for building decoration.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:

a dust collecting apparatus for construction work, comprising: the polishing device comprises a polishing disc, a motor and a vehicle body, wherein a mounting block is fixedly arranged at one end of the motor, which is far away from the polishing disc, a lifter is arranged at the upper end of one side of the vehicle body, the lifter is fixedly connected with the mounting block through a connecting device, shielding plates are symmetrically arranged on the outer side of the motor, the cross sections of the shielding plates are semicircular, the polishing disc is surrounded at the middle part by the two shielding plates, collecting grooves are formed in the left ends of the two shielding plates, n-shaped plates are arranged in the collecting grooves in a sliding mode, baffles matched with the n-shaped plates are arranged at the openings of the collecting grooves, second springs are fixedly arranged at one ends of the n-shaped plates and the groove walls of the collecting grooves, the other ends of the n-shaped plates extend out of the collecting grooves, and sliding plates are fixedly arranged;

sunshade one side is provided with the suction fan, the suction fan is connected with the tuber pipe, tuber pipe and downside collecting vat intercommunication, downside a plurality of through-holes have been seted up to the sunshade upper end, a plurality of connecting holes have been seted up to n shaped plate upper end, and are a plurality of the connecting hole is located two straight lines of parallel from top to bottom with a plurality of through-holes, and crisscross setting, downside the feed opening has been seted up to the sunshade lower extreme, be provided with the rubber buffer in the feed opening.

Preferably, balls are arranged at one end, far away from the n-shaped plate, of the sliding plate, a scraping plate is arranged at one side, close to the polishing disc, of one end, far away from the n-shaped plate, of the sliding plate, and the scraping plate faces to one end of the shielding plate and is inclined.

Preferably, the lower end of the collecting tank is provided with a plurality of lower splitting knives, the lower end of the n-shaped plate is provided with a plurality of upper splitting knives, and the upper splitting knives and the lower splitting knives are arranged in a staggered mode.

Preferably, the automobile body upper end is provided with the collecting box, collecting box upper end opening part is provided with strip first magnet, the feed opening is kept away from collecting vat one end week and is seted up annular spacing groove, the spacing inslot slides and is provided with the limiting plate, the third spring has set firmly between limiting plate upper end both sides and the spacing groove roof, the limiting plate lower extreme extends the spacing groove, and its extension end is equipped with the second magnet admittedly, second magnet is just right from top to bottom with first magnet.

Preferably, a rope groove which is a right angle is formed in the right side of the limiting groove, one end, away from the limiting groove, of the rope groove is communicated with the collecting groove, a pull rope is arranged in the rope groove, one end of the pull rope is fixedly connected with the limiting plate, and the other end of the pull rope is fixedly connected with the right side of the n-shaped plate.

Preferably, a rope guide wheel is arranged in the collecting tank and used for guiding when the pull rope is connected with the n-shaped plate.

Compared with the prior art, the invention has the following technical effects:

according to the dust collecting device for building decoration, the collection of fragments and dust during polishing is completed through the matching of the shielding plate, the sliding plate, the balls, the n plate, the collecting groove, the suction fan, the air pipe, the second spring, the baffle, the through holes, the connecting holes and the scraper, and the problems that during high-speed work of a polishing disc, dust is raised seriously, the body of an operator is damaged, and the fragments splash randomly to cause difficulty in later-stage cleaning and cleaning are avoided.

And the fragments entering the collecting tank are crushed by matching the upper dividing cutter and the lower dividing cutter in the process of moving the n-shaped plate back and forth, the large fragments are ground into small fragments, and the space utilization rate of the collecting tank is improved while the discharging is facilitated.

Through the cooperation of collecting box, first magnet, second magnet, limiting plate, spacing groove, rubber buffer and feed opening, the completion is collected dust and fragment in the collecting vat, for polish the collection provide convenience next time.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

FIG. 1 shows an enlarged schematic view of a lower shutter provided in accordance with an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the location C of FIG. 1;

FIG. 3 is a schematic structural diagram illustrating the cooperation of an n-shaped plate and a baffle provided according to an embodiment of the invention;

FIG. 4 is a schematic side view of a shutter according to an embodiment of the present invention, FIG. 5 is an enlarged view of the position B in FIG. 4;

FIG. 6 is a schematic front view of the apparatus as a whole, provided in accordance with an embodiment of the invention;

FIG. 7 is a schematic front view of a wall top being sanded according to an embodiment of the present invention;

fig. 8 is an enlarged schematic view illustrating chucking by a chucking apparatus provided according to an embodiment of the present invention;

FIG. 9 is an enlarged schematic view of position A of FIG. 8;

FIG. 10 is a schematic top view of a chucking apparatus provided in accordance with an embodiment of the present invention;

FIG. 11 is an enlarged schematic view of a clamping mechanism provided in accordance with an embodiment of the present invention disengaged from a mounting block;

FIG. 12 is an enlarged schematic view of a chucking device and a mounting block provided in accordance with an embodiment of the present invention while horizontally rotating;

FIG. 13 is a schematic top view of a multi-faceted wall surface being sanded according to an embodiment of the present invention;

The numbering in the figures illustrates: 1. a vehicle body; 2. a lifter; 3. a fixed table; 4. moving the plate; 401. a moving chamber; 5. a thread groove; 6. a threaded rod; 7. a motor; 701. grinding disc; 8. mounting blocks; 9. a first link; 10. a second link; 11. mounting a plate; 12. a fixing plate; 13. a chute; 14. an electric push rod; 15. a feeding port; 16. a slider; 17. a side plate; 18. a rotating rod; 19. connecting grooves; 20. fixing the ball; 21. a rotating drum; 22. a first helical gear; 23. a second helical gear; 24. a threaded pipe; 25. a side hole; 26. a threaded shaft; 27. an arc plate; 28. positioning blocks; 29. a ball groove; 30. a ring groove; 31. positioning a groove; 32. a shutter; 33. a slide plate; 34. a ball bearing; 35. a squeegee; 36. an n-shaped plate; 37. collecting tank; 38. a suction fan; 39. an air duct; 40. a second spring; 41. a baffle plate; 42. a through hole; 43. connecting holes; 44. an upper dividing knife; 45. a lower dividing knife; 46. a rubber plug; 47. a collection box; 48. a first magnet; 49. pulling a rope; 50. rope grooves; 51. a limiting groove; 52. a third spring; 53. a limiting plate; 54. a second magnet; 55. a rope guide wheel.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified by combining the specific drawings.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1:

referring to fig. 1 and 3, the present embodiment provides a dust collecting device for building decoration, including: the polishing disc comprises a polishing disc 701, a motor 7 and a vehicle body 1, wherein a mounting block 8 is fixedly arranged at one end, far away from the polishing disc 701, of the motor 7, a lifter 2 is arranged at the upper end of one side of the vehicle body 1, the lifter 2 is fixedly connected with the mounting block 8 through a connecting device, shielding plates 32 are symmetrically arranged on the outer side of the motor 7, the cross sections of the shielding plates 32 are semicircular, the polishing disc 701 is surrounded by the two shielding plates 32 in the middle, collecting grooves 37 are formed in the left ends of the two shielding plates 32, n-shaped plates 36 are arranged in the collecting grooves 37 in a sliding mode, baffle plates 41 matched with the n-shaped plates 36 are arranged at the openings of the collecting grooves 37, second springs 40 are fixedly arranged at one ends of the n-shaped plates 36 and the wall of the collecting grooves 37, and sliding plate collecting grooves 33 are fixedly arranged at the other ends of the n-shaped plates and the collecting grooves 37;

Sunshade 32 one side is provided with suction fan 38, suction fan 38 is connected with tuber pipe 39, tuber pipe 39 and downside collecting vat 37 intercommunication, downside a plurality of through-holes 42 have been seted up to sunshade 32 upper end, a plurality of connecting holes 43 have been seted up to n shaped plate 36 upper end, and are a plurality of connecting hole 43 and a plurality of through-hole 42 are located two straight lines that are parallel from top to bottom, and crisscross setting, downside feed opening 15 has been seted up to sunshade 32 lower extreme, be provided with rubber buffer 46 in the feed opening 15.

Specifically, through the matching of the shielding plate 32, the sliding plate 33, the balls 34, the n plate, the collecting tank 37, the suction fan 38, the air pipe 39, the second spring 40, the baffle plate 41, the through holes 42, the connecting holes 43 and the scraper, friction between the device and the wall body when moving is reduced, and a buffering effect is provided, so that collection of fragments and dust during polishing is mainly completed, and the situation that the polishing disc 701 is extremely severe when working at high speed and causes damage to the body of an operator due to very severe dust emission and that the fragments are scattered randomly to cause difficulty in cleaning and cleaning at the later stage is avoided, and the operator is easily injured by mistake is avoided, during specific operation, when the polishing disc 701 moves towards the wall body, the ball 34 is squeezed by the wall body, the n plate 36 moves in the collecting tank 37 through the sliding plate 33, the second spring 40 contracts when encountering uneven wall surface, a good damping effect is provided, when the n plate 36 moves, the through holes 42 and the connecting holes 43 gradually match the same, the suction fan 38 is started, suction is carried out through the air pipe 39, dust is collected into the collecting tank 37, meanwhile, during polishing, splashed fragments are blocked by the shielding plate 32, due to the combined action of gravity and suction force of the suction fan 38, the fragments also enter the collecting groove 37, the collecting groove 37 has good collecting effect on the fragments and dust, the fragments in the collecting groove 37 can be blocked by the baffle plate 41, the fragments are prevented from being separated from the collecting groove 37, when the ball 34 is separated from the wall after polishing is finished, under the action of the second spring 40, the n-shaped plate 36 is restored, the through hole 42 and the connecting hole 43 are dislocated, the collecting groove 37 is used for storing dust and fragment collecting boxes, the dust and fragment collecting boxes are finally treated uniformly and conveniently, the collecting groove 37 is opened only when the whole device is polished and discharged, the safety is high, and the phenomenon that the dust and fragment collecting boxes are not polished is avoided, dust fragments are separated from the collecting vessel 37, which further improves the protection of the workers from dust.

In this embodiment, the elevator 2 may be selected from existing elevator platforms.

Example 2:

referring to fig. 1, 3, 4 and 5, on the basis of embodiment 1, a ball 34 is disposed at an end of the sliding plate 33 away from the n-shaped plate 36, a scraper 35 is disposed at an end of the sliding plate 33 away from the n-shaped plate 36 close to the polishing disc 701, and an end of the scraper 35 facing the cover plate 32 is inclined.

Specifically, the balls 34 are arranged, so that friction force between the device and a wall body during moving and polishing is reduced, the polishing disc 701 can move smoothly, polishing efficiency is improved, and when the polishing disc 701 moves, the scrapers are arranged and matched with the polishing disc 701 to scrape off the wall surface bulges and move along the inclined plane slide through holes 42, so that polishing effect on the wall surface is further improved, and convenience is brought to fragment collection in the next step.

Specifically, the lower end of the collecting tank 37 is provided with a plurality of lower dividing knives 45, the lower end of the n-shaped plate 36 is provided with a plurality of upper dividing knives 44, and the upper dividing knives 44 and the lower dividing knives 45 are arranged in a staggered manner.

And the upper dividing cutter 44 and the lower dividing cutter 45 are matched in the process that the n-shaped plate 36 moves back and forth to crush the fragments entering the collecting tank 37 and grind large fragments into small fragments, so that the space utilization rate of the collecting tank 37 is improved while the discharging is facilitated.

Example 3:

referring to fig. 1 and 2, on the basis of embodiment 1, a collection box 47 is disposed at the upper end of the vehicle body 1, a strip-shaped first magnet 48 is disposed at an opening at the upper end of the collection box 47, an annular limiting groove 51 is disposed at the periphery of one end of the discharge opening 15 away from the collection groove 37, a limiting plate 53 is slidably disposed in the limiting groove 51, a third spring 52 is fixedly disposed between two sides of the upper end of the limiting plate 53 and the top of the limiting groove 51, a limiting groove 51 extends from the lower end of the limiting plate 53, a second magnet 54 is fixedly disposed at the extending end of the limiting plate 53, and the second magnet 54 is vertically opposite to the first magnet 48.

Specifically, after polishing, the lifter 2 is started, the shutter 32 and the polishing disc 701 are driven to descend, the collection box 47 is used for collecting dust and fragments in the collection groove 37, the first magnet 48, the second magnet 54, the limiting plate 53, the limiting groove 51, the rubber plug 46 and the feed opening 15 are matched, the collection of the dust and the fragments in the collection groove 37 is completed, the collection groove 37 is emptied, convenience is brought to next polishing collection, during specific operation, the lifter 2 is started to drive the shutter 32 to descend until the first magnet 48 and the second magnet 54 are close to each other, a certain distance is reserved, the first magnet 48 and the second magnet 54 generate suction, the second magnet 54 is made to be close to the first magnet 48, the limiting plate 53 is driven to be separated from the limiting groove 51, the rubber plug 46 is separated from the feed opening 15, the fragments and the dust enter the collection box 47 from the feed opening 15, the blanking and the collection of the fragments are completed, and the convenience is achieved.

Example 4:

referring to fig. 1 and 2, on the basis of embodiment 3, a right-angled rope groove 50 is formed in the right side of the limiting groove 51, one end of the rope groove 50, which is far away from the limiting groove 51, is communicated with the collecting groove 37, a pull rope 49 is arranged in the rope groove 50, one end of the pull rope 49 is fixedly connected with a limiting plate 53, and the other end of the pull rope 49 is fixedly connected with the right side of the n-shaped plate 36.

In the present embodiment, a rope guide 55 is provided in the collecting tank 37, and the rope guide 55 is used for guiding the rope 49 when being connected with the n-shaped plate 36.

When the second magnet 54 approaches the first magnet 48, the limiting plate 53 pulls the pull rope 49 to drive the n-shaped plate 36 to move, and the upper dividing knife 44 is matched with the lower dividing knife 45 again to crush the fragments in the collecting tank 37 again, so that the crushing effect is further improved, and the discharging is further facilitated.

Example 5:

referring to fig. 6-7, on the basis of embodiment 1, the connecting device includes ball grooves 29 formed in the upper and lower ends of the mounting block 8, and the ball grooves 29 are provided with clamping devices;

fixed station 3 is installed to 2 upper ends of riser, 3 middle parts of fixed station are seted up the removal chamber 401 that the left side is the opening form, it is provided with movable plate 4 to slide in removing

chamber

401, 4 one ends of movable plate extend to the 3 outsides of fixed station through the opening, and it articulates there is second connecting rod 10, and thread groove 5 has been seted up to the other end, 5 female connection in thread groove have threaded rod 6, threaded rod 6 runs through 3 lateral walls of fixed station, and its rigid coupling has the rocker, the fixed first connecting rod 9 that is provided with in 3 upper ends of fixed station, 9 one end of first connecting rod is provided with mounting panel 11, and the symmetry sets up chucking device keeps away from 8 ends of installation piece and articulates with mounting panel 11 and second connecting rod 10 respectively.

Specifically, when the polishing disc 701 rotates in the vertical direction relative to the polishing disc 701, the polishing disc 701 is converted from polishing the side surface of the wall body to polishing the wall top, and the rotation in the vertical direction is completed through the cooperation of the rocker, the threaded rod 6, the movable plate 4, the fixed plate 12, the movable cavity 401, the threaded groove 5, the first connecting rod 9, the second connecting rod 10, the mounting plate 11, the clamping device mounting block 8, the motor 7 and the polishing disc 701, so that the polishing disc 701 is converted from polishing the side surface of the wall body to polishing the wall top, and the manual carrying and lifting polishing device is not needed, compared with the prior art that when the polishing of the side surface of the wall body is completed, the polishing device is required to be carried by a worker, so that the polishing disc 701 is parallel to the wall top, the polishing can be performed, and the polishing device is carried out for a long time, the worker is quite tired, and the worker cannot work for a long time, work efficiency is low, has reduced staff intensity of labour and has improved work efficiency, during concrete operation, rotates the rocker and makes threaded rod 6 take place to rotate to with thread groove 5 cooperation, make movable plate 4 take place to remove, make second connecting rod 10 rotate, make the mill 701 rotate around mounting panel 11, accomplish the conversion of polishing perpendicularly to polishing from the plane.

Example 6:

referring to fig. 6-13, based on embodiment 1, the clamping device includes a fixed ball 20 and a fixed plate 12, the fixed ball 20 is provided with a connecting groove 19 therein, the fixed plate 12 is provided with a sliding groove 13 therein, the sliding groove 13 is communicated with the connecting groove 19, arc plates 27 are symmetrically arranged around the fixed ball 20, when the arc plates 27 move and expand, the arc plates are abutted against the inner wall of the ball groove 29 to fix the mounting block 8, one end of each arc plate 27 close to the fixed ball 20 is connected with two threaded shafts 26, the two threaded shafts 26 drive one arc plate 27 to move, so that the arc plate 27 moves more stably, side holes 25 are symmetrically arranged around the connecting groove 19, the side holes 25 are provided with threaded pipes 24, the threaded pipes 24 correspond to the threaded shafts 26 one by one and are engaged with each other, one end of the four threaded pipes 24 extends into the connecting groove 19, the extending ends of the two are provided with second bevel gears 23, and the fixing plate 12 is provided with a driving device for driving the second bevel gears 23 to rotate.

The driving device comprises a connecting groove 19, a rotating drum 21 is rotatably mounted in the connecting groove 19, two sets of first bevel gears 22 are arranged on the rotating drum 21, the first bevel gears 22 are meshed with a second bevel gear 23, a second gear and two first bevel gears 22 are meshed, four side holes 25 are formed in all, a rotating rod 18 is rotatably meshed in the middle of the rotating drum 21, a sliding block 16 is arranged in the sliding groove 13 in a sliding mode, an electric push rod 14 is arranged on the outer side of the fixing plate 12, side plates 17 are arranged on two sides of the sliding block 16, the sliding groove 13 extends out of the side plates 17, and the telescopic end of the electric push rod 14 is fixedly connected with the upper end of the side plate 17.

In this embodiment, in order to convert the up-and-down movement of the rotating rod 18 into the rotation of the drum 21, five spiral grooves are uniformly distributed on the circumferential side of the rotating rod 18 in the circumferential direction, five spiral protrusions are uniformly distributed on the inner circumferential side of the drum 21 in the circumferential direction, and the rotating rod 18 is engaged with the drum 21.

Specifically, in order to realize the rotation of the polishing disc 701 in the horizontal direction and the quick detachment of the mounting block 8, thereby realizing the quick detachment of the motor 7 and the polishing disc 701 in the whole device, the fixing plate 12, the fixing ball 20, the mounting block 8, the motor 7, the polishing disc 701, the electric push rod 14, the sliding slot 13, the connecting slot 19, the slider 16, the rotating rod 18, the rotating cylinder 21, the first helical gear 22, the second helical gear 23, the side hole 25, the threaded pipe 24, the threaded shaft 26 and the arc plate 27 cooperate to jointly realize the lateral movement of the arc plate 27, and abut against the side wall of the ball slot 29 to fix the mounting block 8, thereby completing the fixation of the polishing disc 701, and also completing the quick detachment of the mounting block 8, when the operation is fixed, the electric push rod 14 is started to extend, the side plate 17 moves towards the fixing ball 20, the side plate 17 drives the slider 16 to move in the sliding slot 13, the rotating rod 18 moves downwards, and the rotating cylinder 21 rotates, thereby it is rotatory to drive second helical gear 23, it is rotatory to drive threaded rod 6 through first helical gear 22, drive 26 horizontal migration of threaded shaft, make two arc boards 27 to keeping away from the 20 directions of fixed ball and remove, thereby form the tight power of support with ball groove 29, it is fixed to installation piece 8, thereby accomplish the fixed to motor 7 and polishing dish 701, when dismantling installation piece 8 and fixed ball 20, only need shrink electric putter 14, make rotary drum 21 reverse movement, two arc boards 27 move to the direction of fixed ball 20, wrap up fixed ball 20, can, take out fixed ball 20 and arc board 27 from ball groove 29 afterwards, it is all comparatively convenient to dismantle and fix, when motor 7, polishing dish 701, installation piece 8 damages, can pull down it from whole device, it is comparatively convenient to make the change maintenance.

Example 7:

referring to fig. 6-13, on the basis of embodiment 6, a positioning block 28 is disposed at the other end of each arc plate 27, a ring groove 30 is disposed around the ball groove 29, a plurality of positioning grooves 31 are equidistantly disposed around the ring groove 30, the positioning block 28 is clamped with the positioning grooves 31, and the minimum distance from the positioning block 28 to the fixing ball 20 is smaller than the diameter of the opening circle of the ball groove 29.

At the corner or be close to the position at corner, inconvenient removal automobile body 1 collides with the wall easily, damages the wall body, through adjusting the work of polishing 701 orientation to with 2 cooperations of riser, more can convenient and fast's realization work of polishing, and save the labour, avoid the harm to the wall body.

Specifically, in order to realize the rotation and further fixation of the polishing disc 701 in the horizontal direction, on the basis of embodiment 2, a positioning block 28, an annular groove 30 and a positioning groove 31 are provided, when the polishing disc 701 is fixed, the positioning block 28 extends into the positioning groove 31, so that the mounting block 8 is more firmly fixed, and when the rotation is required, the electric polishing disc 701, the electric push rod 14, the sliding chute 13, the connecting groove 19, the sliding block 16, the rotating rod 18, the rotating drum 21, the first helical gear 22, the second helical gear 23, the side hole 25, the threaded pipe 24, the threaded shaft 26, the arc plates 27, the positioning block 28, the annular groove 30 and the positioning groove 31 are matched to contract the electric push rod 14, so that the rotating drum 21 reversely moves, the two arc plates 27 move towards the direction of the fixing ball 20, when the positioning block 28 is separated from the positioning groove 31, the positioning block 28 enters the annular groove 30, and the annular groove 30 plays a role in supporting and limiting for the positioning block 28, make installation piece 8 not take place the vertical rotation, after locating piece 28 gets into in the annular 30, manual horizontal rotation installation piece 8, motor 7 and polishing disc 701, adjust the direction back in the horizontal direction, start electric push rod 14 extension, locating piece 28 gets into in the constant head tank 31 again, accomplish fixedly, polishing disc 701's horizontal rotation and further fixed have been realized, it is convenient to rotate, easy to operate, and cooperate with the vertical rotation, can carry out multi-angle regulation polishing disc 701's turning to, can polish to the wall that is the setting of many prisms, therefore, the clothes hanger is strong in practicability, when polishing to the wall that is the setting of many prisms for current, only carry polishing device to another side wall body department through the staff, polishing disc 701 can only polish with the wall body parallel, the efficiency is improved, and the practicality is strengthened.

The foregoing shows and describes the general principles, principal features, and aspects 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, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A dust collecting apparatus for construction work, comprising: the grinding disc, the motor and the vehicle body are characterized in that shielding plates are symmetrically arranged on the outer side of the motor, the cross sections of the shielding plates are semicircular, collecting grooves are formed in the left ends of the two shielding plates, n-shaped plates are arranged in the collecting grooves in a sliding mode, baffles matched with the n-shaped plates are arranged at the openings of the collecting grooves, second springs are fixedly arranged at one ends of the n-shaped plates and the wall of the collecting grooves, the other ends of the n-shaped plates extend out of the collecting grooves, and sliding plates are fixedly arranged at the other ends of the n-shaped plates;

curtain board one side is provided with the suction fan, the suction fan is connected with the tuber pipe, tuber pipe and downside collecting vat intercommunication, downside a plurality of through-holes have been seted up to the curtain board upper end, a plurality of connecting holes have been seted up to n shaped plate upper end, downside the feed opening has been seted up to the curtain board lower extreme, be provided with the rubber buffer in the feed opening.

2. The dust collecting device for building decoration according to claim 1, wherein a mounting block is fixedly arranged at one end of the motor, which is far away from the polishing disc, and a lifter is arranged at the upper end of one side of the vehicle body and fixedly connected with the mounting block through a connecting device.

3. The dust collecting apparatus for construction finishing as claimed in claim 1, wherein a plurality of said attachment holes and a plurality of said through holes are formed in two straight lines which are parallel up and down and are staggered.

4. A dust collecting apparatus for construction finishing as claimed in claim 1, wherein said slide plate is provided with a ball at an end thereof remote from the n-shaped plate, and a scraper at a side of said slide plate adjacent to the grinding disc.

5. The dust collecting apparatus for building finishing according to claim 1, wherein a plurality of lower dividing blades are provided to a lower end of the collecting vessel, a plurality of upper dividing blades are provided to a lower end of the n-shaped plate, and the upper dividing blades and the lower dividing blades are alternately provided.

6. The dust collecting device for building decoration according to claim 1, wherein a collecting box is provided at the upper end of the vehicle body, a strip-shaped first magnet is provided at an opening at the upper end of the collecting box, an annular limiting groove is provided at the periphery of one end of the discharge opening away from the collecting box, a limiting plate is slidably provided in the limiting groove, a third spring is fixedly provided between the two sides of the upper end of the limiting plate and the top of the limiting groove, a limiting groove extends from the lower end of the limiting plate, and a second magnet is fixedly provided at the extending end of the limiting plate.

7. The dust collecting device for building decoration according to claim 6, wherein a right-angled rope groove is formed in the right side of the limiting groove, one end, away from the limiting groove, of the rope groove is communicated with the collecting groove, a pull rope is arranged in the rope groove, one end of the pull rope is fixedly connected with the limiting plate, and the other end of the pull rope is fixedly connected with the right side of the n-shaped plate.

8. The dust collecting apparatus for building finishing as claimed in claim 7, wherein a rope guide is provided in the collecting vessel, the rope guide being used for guiding when the pulling rope is connected to the n-shaped plate.