阅读说明：本技术 一种可预留线盒位置的刮毛机 (Can reserve hair machine of scraping of line box position ) 是由 刘久涛 于 2021-08-27 设计创作，主要内容包括：本发明涉及一种刮毛机,尤其涉及一种可预留线盒位置的刮毛机,包括有移动机构、升降机构、转动机构、拉毛机构等；移动机构上设有升降机构,升降机构上设有转动机构,升降机构上设有拉毛机构。通过拉毛筒及其上装置的配合,在刮毛的过程中与线盒接触的其中一部分拉毛筒会被线盒挤压,其中一部分拉毛筒及其上装置会朝靠近第三固定架的方向运动,从而可以在刮毛的过程中预留出线盒的位置,进而可以保护线盒以使刮毛后的墙面更加美观,达到了能够自动地在刮毛过程中根据线盒的位置及大小预留刮毛位置的效果。(The invention relates to a shaving machine, in particular to a shaving machine capable of reserving the position of a wire box, which comprises a moving mechanism, a lifting mechanism, a rotating mechanism, a napping mechanism and the like; the moving mechanism is provided with a lifting mechanism, the lifting mechanism is provided with a rotating mechanism, and the lifting mechanism is provided with a napping mechanism. Through the cooperation of a hair roller and the device thereon, one of them part hair roller that contacts with the line box in the process of shaving hair can be extruded by the line box, and one of them part hair roller and the device thereon can move towards the direction that is close to the third mount to can reserve the position of line box at the in-process of shaving hair, and then can protect the line box so that the wall after shaving hair is more pleasing to the eye, reached and can reserve the effect of shaving the hair position according to the position and the size of line box automatically at the shaving hair in-process.)

1. The utility model provides a can reserve the frizing machine of line box position which characterized by: the device comprises a moving mechanism, a lifting mechanism, a rotating mechanism and a napping mechanism, wherein the moving mechanism is provided with the lifting mechanism, the lifting mechanism is provided with the rotating mechanism, and the lifting mechanism is provided with the napping mechanism.

2. The wool shaver capable of reserving the position of the wire box as claimed in claim 1, wherein: the moving mechanism comprises a hand push plate and two rotating wheels, and the hand push plate is rotatably connected with two pairs of rotating wheels.

3. The wool shaver capable of reserving the position of the wire box as claimed in claim 2, wherein: elevating system is including first dead lever, first carriage, first mount, including a motor, an end cap, a controller, and a cover plate, axis of rotation, rack and gear, and the connection of push pedal top has a pair of first dead lever, and common slidingtype is connected with first carriage on two first dead levers, is equipped with first mount on the first carriage, installs the motor on the first mount, and motor output shaft one end hookup has the axis of rotation, and push pedal top has a pair of rack, and the hookup has a pair of gear in the axis of rotation, two gears and the meshing of corresponding rack.

4. A shaving machine capable of reserving the position of a thread box according to claim 3, characterized in that: slewing mechanism is including first wedge frame, the second mount, the slide bar, the slip strip, first reset spring, the second carriage, second reset spring, rotating turret and second dead lever, first wedge frame is coupleed on first dead lever top, the connection of push pedal top has a pair of second mount, the gliding style is connected with a pair of slide bar on the first carriage, the hookup of slide bar top has the slip strip, slip strip and second mount contact, be connected with first reset spring between slip strip and the first carriage, the gliding style is connected with the second carriage on the slip strip, be connected with second reset spring between second carriage and the slip strip, the gliding style is connected with the rotating turret on the second carriage, the last gliding style of rotating turret is connected with the second dead lever.

5. The wool shaver capable of reserving the position of the wire box as claimed in claim 4, wherein: the napping mechanism comprises a loading frame, a third fixing frame, a third reset spring, a third sliding frame, sliding shafts and a napping cylinder, the top of the hand push plate is connected with the loading frame, the third fixing frame is connected between two second fixing rods together, the third fixing frame is connected with tenth third reset springs in a distributed mode, the third reset spring is connected with the third sliding frame in a connected mode, the third sliding frame is connected with the sliding shafts, two of the sliding shafts on the outer side are connected with the third fixing frame in a sliding mode, the adjacent sliding shafts are connected with the third sliding frame in a sliding mode, and the sliding shafts are connected with the napping cylinder in a rotating mode.

6. The shaving machine capable of reserving the position of the wire box according to claim 5, wherein: still including the water spray mechanism, the water spray mechanism is located on the moving mechanism, the water spray mechanism is including the third dead lever, the second wedge frame, fixed frame, first slider, the second slider, the stripper plate, fourth reset spring, sliding cover and shower nozzle, the linkage of push board top has a pair of third dead lever, the linkage of push board top has the second wedge frame, the linkage has fixed frame on the first mount, sliding connection has first slider on the third dead lever, common sliding connection has the second slider between two first sliders, second slider and the contact of second wedge frame, fixedly connected with stripper plate on the second slider, stripper plate and fixed frame slidingtype cooperation, be connected with fourth reset spring between fixed frame and the second slider, fixed frame top slidingtype is connected with sliding cover, fixed frame one side distributing type is equipped with the shower nozzle.

7. The shaving machine capable of reserving the position of the wire box as claimed in claim 6, wherein: still including scraping burr mechanism, scrape burr mechanism and locate on the moving mechanism, scrape burr mechanism including the fourth dead lever, the fourth carriage, fifth reset spring, the scraper, the fourth mount, the turning block, torsion spring and wedge strip, the hookup has the fourth dead lever on the hand push board, the gliding type is connected with the fourth carriage on the fourth dead lever, be connected with fifth reset spring between fourth carriage and the hand push board, the hookup has the scraper on the fourth carriage, scraper and hand push board contact, the hookup has the fourth mount on the scraper, the rotating type is connected with the turning block on the fourth mount, be connected with a pair of torsion spring between turning block and the fourth mount, the hookup has the wedge strip on the fixed frame, wedge strip and hand push board contact.

Technical Field

The invention relates to a shaving machine, in particular to a shaving machine capable of reserving a wire box.

Background

The wall surface scraping is generally an interface treatment on base cement mortar before plastering or on an old wall surface, and the method is to dip the cement mortar on a brush, scrape the wall surface through the brush to make the surface of the wall surface rough, scrape the hair to strengthen the adhesive force of a plastering layer or a tile layer on the wall surface, facilitate the subsequent plastering of other wall surface materials such as putty powder and the like, reduce the safety accidents caused after the subsequent wall surface materials fall off, and thus, the wall surface scraping is widely applied to the building decoration engineering.

The prior art sprays water on the wall in advance, and the reuse brush utensil dips in and gets cement mortar, scrapes the hair through manual brush utensil to the wall after that for the coarse texture appears in the wall surface, but can't spray water in advance to the wall automatically, can't scrape the hair simultaneously fully to the wall and handle, lead to work efficiency not high, and can't be automatic scrape the hair position according to the position and the size reservation of line box at the hair in-process, the practicality is not high.

Disclosure of Invention

Based on this, it is necessary to provide a shaving machine capable of automatically spraying water to a wall in advance, sufficiently shaving the wall, and automatically reserving a shaving position according to the position and size of a line box in the shaving process, so as to solve the problems that the water cannot be automatically sprayed to the wall in advance, the shaving process cannot be sufficiently performed to the wall, and the shaving position cannot be automatically reserved according to the position and size of the line box in the shaving process, which are provided in the background art.

The technical implementation scheme of the invention is as follows: a shaving machine capable of reserving the position of a wire box comprises a moving mechanism, a lifting mechanism, a rotating mechanism and a napping mechanism, wherein the moving mechanism is provided with the lifting mechanism, the lifting mechanism is provided with the rotating mechanism, and the lifting mechanism is provided with the napping mechanism.

Optionally, the moving mechanism comprises a hand pushing plate and two pairs of rotating wheels, and the hand pushing plate is rotatably connected with the two pairs of rotating wheels.

Optionally, the lifting mechanism includes a first fixing rod, a first sliding frame, a first fixing frame, a motor, a rotating shaft, a rack and a gear, the top of the push plate is connected with a pair of first fixing rods, the two first fixing rods are connected with the first sliding frame in a sliding manner, the first sliding frame is provided with the first fixing frame, the motor is mounted on the first fixing frame, one end of the output shaft of the motor is connected with the rotating shaft, the top of the push plate is connected with a pair of racks, the rotating shaft is connected with a pair of gears, and the two gears are meshed with the corresponding racks.

Optionally, the slewing mechanism is including first wedge frame, the second mount, the slide bar, the slip strip, first reset spring, the second carriage, second reset spring, rotating turret and second dead lever, first wedge frame is linked in first dead lever top, the connection of hand push board top has a pair of second mount, the sliding connection has a pair of slide bar on the first carriage, the connection of slide bar top has the slip strip, the slip strip contacts with the second mount, be connected with first reset spring between slip strip and the first carriage, the sliding connection has the second carriage on the slip strip, be connected with second reset spring between second carriage and the slip strip, the rotating connection has the rotating turret on the second carriage, the last rotating connection of rotating turret has the second dead lever.

Optionally, the galling mechanism includes a loading frame, a third fixing frame, a third return spring, a third sliding frame, a sliding shaft and a galling cylinder, the loading frame is connected to the top of the hand push plate, the third fixing frame is connected between the two second fixing rods, the thirteenth return spring is connected to the third fixing frame in a distributed mode, the third sliding frame is connected to the third return spring in a connected mode, the sliding shaft is connected to the third sliding frame, two of the sliding shafts on the outer side are connected with the third fixing frame in a sliding mode, the adjacent sliding shafts are connected with the third sliding frame in a sliding mode, and the galling cylinder is connected to the sliding shaft in a rotating mode.

Optionally, the water spraying mechanism is arranged on the moving mechanism and comprises a third fixing rod, a second wedge-shaped frame, a fixing frame, a first sliding block, a second sliding block, an extrusion plate, a fourth reset spring, a sliding cover and a sprayer, a pair of third fixing rods is connected to the top of the hand push plate in a connecting mode, a second wedge-shaped frame is connected to the top of the hand push plate in a connecting mode, the fixing frame is connected to the first fixing frame in a connecting mode, the first sliding block is connected to the third fixing rod in a sliding mode, the second sliding block is connected to the second sliding block in a sliding mode, the second sliding block is in contact with the second wedge-shaped frame, the extrusion plate is fixedly connected to the second sliding block and matched with the fixing frame in a sliding mode, the fourth reset spring is connected between the fixing frame and the second sliding block, the sliding cover is connected to the top of the fixing frame in a sliding mode, and the sprayer is arranged on one side of the fixing frame in a distributed mode.

Optionally, still including scraping burr mechanism, scrape burr mechanism and locate the moving mechanism on, scrape burr mechanism including the fourth dead lever, the fourth carriage, fifth reset spring, the scraper, the fourth mount, the turning block, torsion spring and wedge strip, the hookup has the fourth dead lever on the hand push board, the gliding style is connected with the fourth carriage on the fourth dead lever, be connected with fifth reset spring between fourth carriage and the hand push board, the hookup has the scraper on the fourth carriage, scraper and hand push board contact, the hookup has the fourth mount on the scraper, the rotating type is connected with the turning block on the fourth mount, be connected with a pair of torsion spring between turning block and the fourth mount, the hookup has the wedge strip on the fixed frame, wedge strip and hand push board contact.

Compared with the prior art, the invention has the following advantages:

through the cooperation of the napping cylinder and the device thereon, one part of the napping cylinder in contact with the wire box in the process of shaving can be extruded by the wire box, one part of the napping cylinder and the device thereon can move towards the direction close to the third fixing frame, so that the position of the wire box can be reserved in the process of shaving, the wire box can be protected, the wall surface after shaving is more attractive, the practicability is high, and the effect that the position of shaving can be automatically reserved according to the position and the size of the wire box in the process of shaving is achieved.

Through the cooperation of stripper plate, fixed frame and shower nozzle, the stripper plate can extrude the water in the fixed frame to make the water in the fixed frame spray to the wall through the shower nozzle on, be convenient for follow-up scraping the hair to the wall, reached and to have carried out the effect of spraying water in advance to the wall automatically.

Through the scraper, the scraper can be strickleed off the wall lower part, is convenient for follow-up for wall lower part preparation baseboard, has reached the effect that can strike off the burr of wall lower part automatically.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a schematic perspective view of the moving mechanism and the lifting mechanism of the present invention.

Fig. 4 is an enlarged perspective view of the present invention a.

Fig. 5 is a partially disassembled perspective view of the rotating mechanism of the present invention.

Fig. 6 is an enlarged perspective view of the present invention B.

Fig. 7 is a partially-disassembled three-dimensional structure schematic diagram of the napping mechanism.

Fig. 8 is a partial perspective view of the water spraying mechanism of the present invention.

Fig. 9 is a partially disassembled perspective view of the water spraying mechanism of the present invention.

Fig. 10 is a schematic view of a first partially assembled body of the deburring mechanism of the present invention.

Fig. 11 is a schematic view of a second partially assembled body of the deburring mechanism of the present invention.

The parts are labeled as follows: 1: moving mechanism, 11: hand push plate, 12: rotating wheel, 2: elevating mechanism, 21: first fixing lever, 22: first carriage, 23: first mount, 24: motor, 25: rotating shaft, 26: rack, 27: gear, 3: rotating mechanism, 31: first wedge frame, 32: second mount, 33: slide bar, 34: slide bar, 35: first return spring, 36: second carriage, 37: second return spring, 38: turret, 39: second fixing rod, 4: napping mechanism, 41: charging frame, 42: third mount, 43: third return spring, 44: third carriage, 45: sliding shaft, 46: napping cylinder, 5: water spray mechanism, 51: third fixing lever, 52: second wedge frame, 53: fixing frame, 54: first slider, 55: second slider, 56: extrusion plate, 57: fourth return spring, 58: sliding cover, 59: a spray head, 6: scrape burr mechanism, 61: fourth fixing bar, 62: fourth carriage, 63: fifth return spring, 64: scraper, 65: fourth fixing frame, 66: turning block, 67: torsion spring, 68: a wedge-shaped strip.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

A shaving machine capable of reserving the position of a wire box is shown in figures 1-11 and comprises a moving mechanism 1, a lifting mechanism 2, a rotating mechanism 3 and a shaving mechanism 4, wherein the lifting mechanism 2 is arranged on the moving mechanism 1, the rotating mechanism 3 is arranged on the lifting mechanism 2, the rotating mechanism 3 is used for enabling a shaving cylinder 46 to be capable of fully shaving the upper part of a wall surface, the shaving mechanism 4 is arranged on the lifting mechanism 2, and the shaving mechanism 4 is used for reserving the position of a wire box in the shaving process.

The moving mechanism 1 comprises a hand push plate 11 and rotating wheels 12, the hand push plate 11 is rotatably connected with two pairs of rotating wheels 12, and the equipment can be pushed to one side of a wall surface needing to be shaved through the matching of the hand push plate 11 and the rotating wheels 12.

The lifting mechanism 2 comprises a first fixing rod 21, a first sliding frame 22, a first fixing frame 23, a motor 24, a rotating shaft 25, racks 26 and gears 27, a pair of first fixing rods 21 is connected to the top of the hand push plate 11, the first sliding frame 22 is connected to the two first fixing rods 21 in a sliding mode, the first sliding frame 22 is used for pushing the rotating frame 38 and the upper device to reset, the first fixing frame 23 is arranged on the first sliding frame 22, the motor 24 is installed on the first fixing frame 23 and used for driving the rotating shaft 25 and the upper device to rotate, one end of an output shaft of the motor 24 is connected with the rotating shaft 25, the pair of racks 26 is connected to the top of the hand push plate 11, the gears 27 and the upper device can reciprocate up and down under the action of the racks 26, a pair of gears 27 is connected to the rotating shaft 25, and the two gears 27 are meshed with the corresponding racks 26.

The rotating mechanism 3 comprises a first wedge frame 31, a second fixed frame 32, a sliding rod 33, a sliding bar 34, a first return spring 35, a second sliding frame 36, a second return spring 37, a rotating frame 38 and a second fixed rod 39, the first wedge frame 31 is connected to the top end of the first fixed rod 21, the first wedge frame 31 is used for pushing the second fixed rod 39 and the upper device thereof to rotate, the top of the hand push plate 11 is connected with a pair of second fixed frames 32, the first sliding frame 22 is connected with a pair of sliding rods 33 in a sliding way, the top end of the sliding rod 33 is connected with the sliding bar 34, the sliding bar 34 is in contact with the second fixed frame 32, the first return spring 35 is connected between the sliding bar 34 and the first sliding frame 22, the sliding bar 34 is connected with the second sliding frame 36 in a sliding way, the second return spring 37 is connected between the second sliding frame 36 and the sliding bar 34, the second return spring 37 is used for driving the rotating frame 38 to return, the second sliding frame 36 is connected with the rotating frame 38 in a rotating way, a second fixing rod 39 is rotatably connected to the rotating frame 38.

The napping mechanism 4 comprises a loading frame 41, a third fixing frame 42, a third return spring 43, a third sliding frame 44, a sliding shaft 45 and a napping cylinder 46, the loading frame 41 is connected to the top of the hand push plate 11, the third fixing frame 42 is connected between the two second fixing rods 39 together, the thirteenth return spring 43 is connected to the third fixing frame 42 in a distributed manner and used for driving the napping cylinder 46 and the upper device to return, the third return spring 43 is connected to the third sliding frame 44, the sliding shaft 45 is connected to the third sliding frame 44, two sliding shafts 45 located on the outer side are connected to the third fixing frame 42 in a sliding manner, adjacent sliding shafts 45 are connected to the third sliding frame 44 in a sliding manner, the sliding shafts 45 are connected to the napping cylinder 46 in a rotating manner, and the napping cylinder 46 is used for fully napping the wall surface.

The equipment is manually pushed to one side of a wall surface needing to be roughened through the matching of the hand push plate 11 and the rotating wheel 12, cement mortar is installed on the material loading frame 41 in advance, the sliding cover 58 is manually pulled open, water is poured into the fixed frame 53, the sliding cover 58 is manually closed, the manual control motor 24 is reversely rotated, the rotating shaft 25 and the device on the rotating shaft are reversely rotated, the gear 27 and the device on the gear 27 can move downwards under the action of the rack 26, the first return spring 35 can be stretched accordingly, the rotating frame 38 is not supported by the first sliding frame 22 any longer, the rotating frame 38 and the device on the rotating frame can swing accordingly under the action of gravity, and the roughening cylinder 46 is dipped with the cement mortar.

Then the motor 24 is manually controlled to rotate clockwise, so that the rotating shaft 25 and the devices thereon rotate clockwise, the gear 27 and the devices thereon move upwards under the action of the rack 26, the first return spring 35 is reset along with the gear, the first sliding frame 22 pushes the rotating frame 38 and the devices thereon to reset along with the gear, then the gear 27 and the devices thereon continue to move upwards, so that the wool drawing cylinder 46 scrapes the wall surface, when a wire box is arranged on the wall surface, a protective sleeve is covered on the wire box in advance, one part of the wool drawing cylinder 46 which is contacted with the wire box in the process of scraping the wool is pressed by the wire box, one part of the wool drawing cylinder 46 and the devices thereon move towards the direction close to the third fixing frame 42, one part of the third return springs 43 is compressed along with the wool drawing cylinder, when one part of the wool drawing cylinder 46 is separated from the wire box, one part of the wool drawing cylinder 46 and the devices thereon are reset along with the reset action of one part of the third return springs 43, thereby can reserve the position of a line box at the in-process of scraping hair, and then can protect the line box so that the wall behind the hair scraping is more pleasing to the eye, and the practicality is high, has reached and can reserve the effect of scraping the hair position according to the position and the size of line box automatically at the scraping hair in-process.

During the upward movement of the gear 27 and the device thereon, the second fixed rod 39 will contact with the first wedge frame 31, the first wedge frame 31 will push the second fixed rod 39 and the device thereon to rotate, the third return spring 43 will be stretched accordingly, so that the galling cylinder 46 will fully contact with the wall surface, since the amount of cement mortar remaining on the galling cylinder 46 is small and the galling cylinder 46 is soft, and at the same time, cement mortar on the galling cylinder 46 will be extruded and coated on the wall surface, thereby fully utilizing resources and avoiding waste of resources, then the sliding strip 34 will contact with the ceiling, the sliding strip 34 will stop moving upward, the first carriage 22 will continue moving upward, the first return spring 35 will be compressed accordingly, the first carriage 22 will push the rotating frame 38 and the device thereon to rotate around the second fixed rod 39, and at the same time the rotating frame 38 and the device thereon will move along the sliding groove on the sliding strip 34, the second return spring 37 is compressed, so that the galling cylinder 46 can be sufficiently scraped to the upper part of the wall surface, and the effect of sufficiently scraping the wall surface is achieved.

Then the motor 24 is manually controlled to rotate reversely, so that the rotating shaft 25 and the device thereon rotate reversely, the gear 27 and the device thereon are reset downwards under the action of the rack 26, the sliding bar 34 is separated from the ceiling in the process, the first reset spring 35 is reset along with the sliding bar, the rotating frame 38 is reset under the reset action of the second reset spring 37, then the second fixed rod 39 is separated from the first wedge frame 31, and the second fixed rod 39 and the device thereon are reset under the reset action of the third reset spring 43.

Example 2

On the basis of embodiment 1, as shown in fig. 8 to 9, the wall-mounted water spraying device further includes a water spraying mechanism 5, the water spraying mechanism 5 is disposed on the moving mechanism 1, the water spraying mechanism 5 is used for spraying water to a wall surface in advance, the water spraying mechanism 5 includes a third fixing rod 51, a second wedge-shaped frame 52, a fixing frame 53, a first slider 54, a second slider 55, a pressing plate 56, a fourth return spring 57, a sliding cover 58 and a nozzle 59, a pair of third fixing rods 51 is connected to the top of the hand push plate 11, the second wedge-shaped frame 52 is used for pressing the second slider 55 and the upper device thereof to move, the fixing frame 53 is connected to the first fixing frame 23, the first slider 54 is connected to the third fixing rod 51 in a sliding manner, the second slider 55 is connected between the first sliders 54 in a sliding manner, the second slider 55 is in contact with the second wedge-shaped frame 52, the pressing plate 56 is fixedly connected to the second slider 55, the squeeze plate 56 is used for squeezing water in the fixed frame 53, the squeeze plate 56 is in sliding fit with the fixed frame 53, a fourth return spring 57 is connected between the fixed frame 53 and the second sliding block 55, the fourth return spring 57 is used for driving the second sliding block 55 and the upper device to reset, the top of the fixed frame 53 is in sliding connection with a sliding cover 58, a spray head 59 is distributed on one side of the fixed frame 53, and the spray head 59 is used for spraying water in the fixed frame 53 to the wall surface.

When the gear 27 and the upper device move upwards, the second wedge-shaped frame 52 can extrude the second sliding block 55 and the upper device to move, the fourth return spring 57 can be compressed accordingly, the extrusion plate 56 can extrude water in the fixed frame 53, and therefore the water in the fixed frame 53 is sprayed to the wall through the spray nozzle 59, so that subsequent wall surface scraping is facilitated, the effect of spraying water on the wall surface in advance automatically is achieved, and when the gear 27 and the upper device reset downwards, the second sliding block 55 and the upper device can reset under the resetting effect of the fourth return spring 57.

Example 3

On the basis of embodiment 2, as shown in fig. 10 to 11, the burr removing device 6 is further included, the burr removing device 6 is disposed on the moving mechanism 1, the burr removing device 6 is used for removing burrs on the lower portion of the wall surface, the burr removing device 6 includes a fourth fixing rod 61, a fourth sliding frame 62, a fifth return spring 63, a scraper 64, a fourth fixing frame 65, a rotating block 66, a torsion spring 67 and a wedge-shaped bar 68, the hand push plate 11 is connected to the fourth fixing rod 61, the fourth sliding frame 62 is slidably connected to the fourth fixing rod 61, the fifth return spring 63 is connected between the fourth sliding frame 62 and the hand push plate 11, the fifth return spring 63 is used for driving the fourth sliding frame 62 and the device thereon to return, the scraper 64 is connected to the fourth sliding frame 62, the scraper 64 is used for removing burrs on the lower portion of the wall surface, the scraper 64 is in contact with the hand push plate 11, the scraper 64 is connected to the fourth fixing frame 65, the fourth fixing frame 65 is rotatably connected with a rotating block 66, under the action of the rotating block 66, a wedge-shaped strip 68 can push the fourth fixing frame 65 and an upper device thereof to move towards the direction far away from the motor 24, a pair of torsion springs 67 is connected between the rotating block 66 and the fourth fixing frame 65, the torsion springs 67 are used for driving the rotating block 66 and the upper device thereof to reset, the fixing frame 53 is connected with the wedge-shaped strip 68, the wedge-shaped strip 68 is used for pushing the rotating block 66 to rotate, and the wedge-shaped strip 68 is in contact with the hand push plate 11.

In the process that the fixed frame 53 and the upper device thereof move upwards, the wedge-shaped strip 68 pushes the fourth fixed frame 65 and the upper device thereof to move towards the direction far away from the motor 24 under the action of the rotating block 66, the fifth return spring 63 is stretched accordingly, so that the scraper 64 scrapes the lower part of the wall surface to facilitate the subsequent preparation of a skirting line for the lower part of the wall surface, the effect of automatically scraping burrs on the lower part of the wall surface is achieved, then the wedge-shaped strip 68 is separated from the rotating block 66, the rotating block 66 and the upper device thereof are reset along with the reset of the fifth return spring 63, when the fixed frame 53 and the upper device thereof move downwards, the wedge-shaped strip 68 pushes the rotating block 66 to rotate, the torsion spring 67 is compressed accordingly, then the wedge-shaped strip 68 moves to the lower part of the rotating block 66, the rotating block 66 is reset along with the reset action of the torsion spring 67, and finally the motor 24 is manually controlled to stop operating, the above operations are repeated to continuously scrape the surface of the wall.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.