CN113530165B

CN113530165B - Building wall brushing device

Info

Publication number: CN113530165B
Application number: CN202110882138.9A
Authority: CN
Inventors: 屠满达; 吕董军
Original assignee: Hangzhou Jinshun Construction Co ltd
Current assignee: Hangzhou Jinshun Construction Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-08-05
Anticipated expiration: 2041-08-02
Also published as: CN113530165A

Abstract

The invention relates to the field of building decoration, in particular to a building wall painting device. It includes the support frame, the support frame rotates and is connected with and scribbles the brush roll, be provided with feed mechanism on the support frame, feed mechanism includes the sponge, sponge and support frame fixed connection and with applying paint the roller butt with a brush, one side fixedly connected with homogenate case of scribbling the brush roll is kept away from to the sponge, the discharge opening that a plurality of even intervals set up along homogenate case length direction is seted up to one side that the homogenate case is close to the sponge, the continuous feed case of fixedly connected with on the homogenate case, continuous feed case is through two ejection of compact hoses and homogenate case intercommunication, the incasement cunning of continuous feed is connected with the scraping wings, the scraping wings separates continuous feed case for first feeding cavity and the second feeding cavity that each other does not communicate, first feeding cavity and second feeding cavity communicate with two ejection of compact hoses respectively, be provided with the start-stop mechanism who is used for controlling ejection of compact hose break-make-and break on the continuous feed case. The invention has the effect of uniformly and continuously brushing the wall surface.

Description

Building wall brushing device

Technical Field

The invention relates to the field of building decoration, in particular to a building wall painting device.

Background

Painting the wall surface is one of the necessary steps for building wall surface construction, and painting the wall surface with paint can protect and decorate the wall surface.

At present, when the wall surface is coated, most of the wall surface is still manually coated, an operator needs to frequently dip in the coating, the labor intensity is high, and the coating efficiency is low.

Disclosure of Invention

The invention provides a building wall painting device, which can paint wall surfaces evenly and continuously.

The invention provides a building wall painting device, which adopts the following technical scheme:

a building wall painting device comprises a support frame, wherein the support frame is rotatably connected with a painting roller, a paint feeding machine is arranged on the support frame, the feeding mechanism comprises sponge for feeding the painting roller, the sponge is fixedly connected with the support frame and is abutted against the painting roller, one side of the sponge, which is far away from the painting roller, is fixedly connected with a homogenizing box for containing paint, one side of the homogenizing box, which is close to the sponge, is provided with a plurality of discharge holes which are uniformly arranged at intervals along the length direction of the homogenizing box, the homogenizing box is fixedly connected with a continuous feeding box for containing paint, the continuous feeding box is communicated with the homogenizing box through two discharge hoses, a pushing plate is connected in the continuous feeding box in a sliding manner and divides the continuous feeding box into a first feeding cavity and a second feeding cavity which are not communicated with each other, and the first feeding cavity and the second feeding cavity are respectively communicated with the two discharge hoses, and the continuous feeding box is provided with an opening and closing mechanism for controlling the on-off of the discharging hose.

Through adopting above-mentioned technical scheme, pack coating in first feeding cavity and second feeding cavity, the ejection of compact hose through the control of starting and stopping mechanism and first feeding cavity intercommunication opens, the ejection of compact hose with second feeding cavity intercommunication closes, drive scraping wings motion, the volume of first feeding cavity of scraping wings compression, carry the coating in the first feeding cavity to the even liquid incasement through the ejection of compact hose who opens, flow to the sponge through the discharge opening of a plurality of even intervals settings, the sponge evenly dips in the coating and carries out the material loading to applying paint the roller with a brush. When the coating in the first feeding cavity is used up, the opening and closing mechanism controls the opening of the discharging hose communicated with the second feeding cavity, the discharging hose communicated with the first feeding cavity is closed, the material pushing plate is driven to move reversely, the material pushing plate is compressed to the volume of the second feeding cavity, the coating in the second feeding cavity is conveyed into the liquid homogenizing box through the opened discharging hose, and meanwhile, the coating is supplemented in the first feeding cavity, so that uninterrupted feeding is realized.

Optionally, the opening and closing mechanism includes two ejection of compact sprue that set up with ejection of compact hose one-to-one, the ejection of compact sprue can support tightly and the extrusion to ejection of compact hose, the ejection of compact sprue rotates with continuous feed case to be connected.

Through adopting above-mentioned technical scheme, drive ejection of compact sprue rotates for ejection of compact sprue extrudees ejection of compact hose, and ejection of compact hose produces the deformation, and the pipeline section of compressed can't be flowed through to coating, realizes extrudeing corresponding ejection of compact hose and seals.

Optionally, fixedly connected with is used for holding the head tank of coating on the support frame, continuous feed case is through two feeding hoses and head tank intercommunication, first feeding cavity and second feeding cavity respectively with two feeding hose intercommunication, the operating mechanism still includes two feeding sprue blocks that set up with the feeding hose one-to-one, the feeding sprue block can support tightly and the extrusion to the feeding hose, the feeding sprue block rotates with continuous feed case to be connected.

Through adopting above-mentioned technical scheme, the feeding hose through opening and closing mechanism control and first feeding cavity intercommunication is opened, and the coating in the head tank can flow into first feeding cavity, and the feeding hose through opening and closing mechanism control and second feeding cavity intercommunication is opened, and the coating in the head tank can flow into second feeding cavity, realizes supplementing the coating in first feeding cavity and second feeding cavity through setting up the head tank.

Optionally, the opening and closing mechanism still includes the linkage that is used for connecting feeding sprue and ejection of compact sprue, the linkage includes two parallel arrangement's first sprue connecting rod, the middle part and the continuous feed case of first sprue connecting rod rotate to be connected, the one end and the feeding sprue that correspond of first sprue connecting rod are connected, and the other end is connected with the ejection of compact sprue that corresponds, the linkage includes two parallel arrangement's second sprue connecting rod, one second sprue connecting rod is connected between two feeding sprue, another second sprue connecting rod is connected between two ejection of compact sprue, two first sprue connecting rod and two second sprue connecting rod constitutes the parallelogram structure.

Through adopting above-mentioned technical scheme, connect two feeding sprue and two ejection of compact sprue through the linkage, when the ejection of compact sprue with first feeding cavity intercommunication does not extrude the ejection of compact hose that corresponds, the feeding hose that the extrusion of feeding sprue that corresponds rather than corresponds makes it seal, and the ejection of compact of coating from first feeding cavity. At the moment, the discharging plugs communicated with the second feeding cavity extrude the corresponding discharging hoses to seal the discharging hoses, the corresponding feeding plugs do not extrude the corresponding feeding hoses, and the coating is filled into the second feeding cavity. The alternating feeding and discharging of the first feeding cavity and the second feeding cavity are realized.

Optionally, the opening and closing mechanism further comprises a driving assembly used for driving the first blocking block connecting rod to rotate, the driving assembly comprises a pushing cylinder connected with the continuous feeding box, a piston rod of the pushing cylinder is hinged to a blocking block sleeve, and the blocking block sleeve is slidably sleeved on one of the first blocking block connecting rod.

By adopting the technical scheme, the piston rod of the driving pushing cylinder extends out to drive the blocking block sleeve to move and drive the first blocking block connecting rod to rotate, so that the connecting rod group realizes the alternate feeding and discharging of the first feeding cavity and the second feeding cavity.

Optionally, a material blocking mechanism is further arranged on the support frame and comprises a material blocking plate used for containing paint dripped by the painting roller, the material blocking plate is rotatably connected with the support frame and is positioned on one side, far away from the sponge, of the painting roller.

Through adopting above-mentioned technical scheme, the coating that dips in on the brush roll is easily dripped subaerial, and the drive striker plate rotates to the below of brushing the roller, accepts the coating that drips, reduces the coating and drips subaerial difficult to clear possibility.

Optionally, the stock stop still establishes the material blocking sleeve on the support frame including the activity cover, material blocking muffjoint has the slider, the slider articulates there is the material blocking connecting rod, it is articulated with the striker plate to keep off the material connecting rod.

Through adopting above-mentioned technical scheme, the drive keeps off the material sleeve and slides along the support frame, drives and keeps off the motion of material connecting rod for the striker plate can rotate to the below of applying paint the roller with a brush, accepts the coating that drips, when need not the striker plate and accepts the coating that drips, can pack up the striker plate.

Optionally, circumference interval is provided with a plurality of fixed blocks on the support frame, and is a plurality of the fixed block sets up about the axis rotational symmetry of support frame, keep off the material sleeve and set up a plurality of spouts with the fixed block one-to-one, the fixed block can be in the spout relative slip, keep off the material sleeve and rotate with the slider and be connected, the fixed block be used for with keep off the telescopic terminal surface butt of material.

Through adopting above-mentioned technical scheme, rotate and keep off the material sleeve for the spout corresponds with the fixed block position, and the drive keeps off the material sleeve and slides on the support frame, makes the striker plate can rotate to the below of applying paint the roller with a brush, and the fixed block can pass the spout this moment. When the striker plate moves to an appropriate position, the striker sleeve is rotated, so that the chute is staggered with the position of the fixed block, and the fixed block can be abutted against the end face of the striker sleeve to fix the position of the striker sleeve.

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

1. by arranging the continuous feeding box and the even liquid box, the coating brush roller can uniformly and continuously dip the coating, so that the wall surface coating efficiency is improved;

2. through the arrangement of the connecting rod group, the first feeding cavity and the second feeding cavity can be alternately fed and discharged through one driving source;

3. through setting up stock stop, reduce the coating and drip the probability that is difficult to clean on subaerial.

Drawings

Fig. 1 is a schematic view of the overall structure of a device for painting a wall surface of a building.

Fig. 2 is a sectional view showing a construction of a device for painting a wall surface of a building.

Fig. 3 is a structural sectional view of another section of the construction wall painting device.

Fig. 4 is an enlarged view of a portion a in fig. 3, and is mainly used for embodying the structure of the feeding mechanism.

Fig. 5 is a schematic structural view of an opening and closing mechanism in the architectural wall painting apparatus.

Fig. 6 is a schematic structural diagram of a material stopping mechanism in the building wall painting device.

Description of reference numerals: 100. a support frame; 110. a brushing roller; 120. a fixed block; 200. a feeding mechanism; 210. a raw material tank; 220. a feed pump; 230. a continuous feed tank; 231. a first feed cavity; 232. a second feed cavity; 240. a material pushing plate; 241. a material pushing motor; 242. pushing a material screw rod; 250. a liquid homogenizing box; 251. a discharge hole; 260. a sponge; 300. an opening and closing mechanism; 301. a feed hose; 302. a discharge hose; 310. a drive assembly; 311. a push cylinder; 312. a blockout sleeve; 320. a linkage; 321. a first blockout link; 322. a second blockout link; 330. feeding a block; 340. discharging the blocking block; 400. a stock stop mechanism; 410. a material blocking sleeve; 411. a chute; 412. a ring groove; 420. a slider; 430. a material blocking connecting rod; 440. a striker plate.

Detailed Description

The present invention is described in further detail below with reference to FIGS. 1-6.

The embodiment of the invention discloses a building wall painting device.

Referring to fig. 1, a building wall painting apparatus includes a cylindrical support frame 100, and the support frame 100 can be vertically installed on a conventional lifting mechanism, and the support frame 100 is driven to lift by driving the lifting mechanism. The support frame 100 is rotatably connected with a coating roller 110, and the coating roller 110 is driven by a motor. The support frame 100 is provided with the feeding mechanism 200 and the material blocking mechanism 400, the feeding mechanism 200 realizes the coating dipping of the coating brush roller 110, and the material blocking mechanism 400 can bear the redundant coating dripped on the coating brush roller 110, so that the possibility that the coating drips on the ground is reduced.

Referring to fig. 2, the feeding mechanism 200 includes a raw material tank 210 fixedly connected to the supporting frame 100, the raw material tank 210 is a hollow structure and can store a relatively large amount of paint therein, and two feeding pumps 220 are disposed inside the raw material tank 210 and can pump the paint in the raw material tank 210 into other components of the feeding mechanism 200.

Referring to fig. 3 and 4, the raw material tank 210 is fixedly connected with the continuous feeding tank 230, the continuous feeding tank 230 is of a hollow structure, the interior of the continuous feeding tank 230 is slidably connected with a material pushing plate 240, the material pushing plate 240 divides the interior of the continuous feeding tank 230 into a first feeding cavity 231 and a second feeding cavity 232 which are not communicated with each other, and the first feeding cavity 231 and the second feeding cavity 232 are both used for containing the coating material. The first feed cavity 231 is in communication with one feed pump 220 (shown in fig. 2) in the head tank 210 via one feed hose 301, and the second feed cavity 232 is in communication with another feed pump 220 (shown in fig. 2) in the head tank 210 via another feed hose 301. The continuous feeding box 230 is fixedly connected with a material pushing motor 241, an output shaft of the material pushing motor 241 is parallel to the length direction of the continuous feeding box 230, an output shaft of the material pushing motor 241 is coaxially and fixedly connected with a material pushing screw rod 242, and the material pushing plate 240 is in threaded connection with the material pushing screw rod 242. The output shaft of the pushing motor 241 is driven to rotate, so that the pushing screw 242 rotates to drive the pushing plate 240 to slide in the continuous feeding box 230, the volumes of the first feeding cavity 231 and the second feeding cavity 232 are changed, and the coating in the first feeding cavity 231 or the second feeding cavity 232 is pushed to flow.

Referring to fig. 3 and 4, a leveling tank 250 is fixedly connected to a lower portion of the continuous supply tank 230, the leveling tank 250 has a hollow structure, and a length of the leveling tank 250 is identical to a length of the applying roller 110. The first feeding cavity 231 is communicated with the interior of the homogenizing tank 250 through one discharging hose 302, the second feeding cavity 232 is communicated with the interior of the homogenizing tank 250 through the other discharging hose 302, and the coating in the first feeding cavity 231 or the second feeding cavity 232 can enter the homogenizing tank 250 through the corresponding discharging hose 302. A plurality of discharge holes 251 are formed in one side of the homogenizing tank 250, which is far away from the continuous feeding tank 230, at even intervals along the length direction of the side, a sponge 260 is fixedly connected to one side of the homogenizing tank 250, which is far away from the continuous feeding tank 230, and the sponge 260 is abutted against the painting roller 110. The length of the sponge 260 corresponds to the length of the applicator roll 110. The coating in the homogenizing tank 250 can be uniformly sucked by the sponge 260 through the discharge hole 251. The sponge 260 sucking the coating supplies the coating to the applying brush roller 110.

Referring to fig. 5, the feeding hose 301 and the discharging hose 302 are made of a material having a certain elasticity. The continuous feeding box 230 is provided with an opening and closing mechanism 300 for controlling the on-off of the feeding hose 301 and the discharging hose 302. The opening and closing mechanism 300 includes a linkage 320, the linkage 320 includes two first blocking connecting rods 321 arranged in parallel, and the two first blocking connecting rods 321 are respectively located at two ends of the continuous feeding tank 230 in the length direction. The middle part of first sprue connecting rod 321 rotates with continuous feed tank 230 and is connected, the one end fixedly connected with feeding sprue 330 of first sprue connecting rod 321, other end fixedly connected with ejection of compact sprue 340. The feed block 330 can abut and compress the feed hose 301 so that paint cannot enter the continuous feed tank 230 from the feed hose 301. The discharge block 340 can abut against and compress the discharge hose 302 so that the coating cannot enter the surge tank 250 from the discharge hose 302. The connecting rod group 320 further comprises second blocking connecting rods 322 which are arranged in parallel, one second blocking connecting rod 322 is connected between the two feeding blocking blocks 330, the other second blocking connecting rod 322 is connected between the two discharging blocking blocks 340, the second blocking connecting rod 322 is rotatably connected with the first blocking connecting rod 321, and the two first blocking connecting rods 321 and the two second blocking connecting rods 322 form a parallelogram structure.

Referring to fig. 5, a driving assembly 310 for driving the first blocking connecting rods 321 to rotate is disposed on the continuous feeding tank 230, the driving assembly 310 includes a pushing cylinder 311 fixedly disposed on the continuous feeding tank 230, the pushing cylinder 311 is disposed parallel to the length direction of the continuous feeding tank 230, a piston rod thereof is hinged to a blocking sleeve 312, and the blocking sleeve 312 is slidably sleeved on one of the first blocking connecting rods 321. The piston rod of the driving pushing cylinder 311 extends or retracts, and the blocking sleeve 312 drives a first blocking connecting rod 321 to rotate, so as to drive the connecting rod group 320 to move integrally.

Referring to fig. 2 and 6, the striker 400 includes a striker plate 440 rotatably connected to the support frame 100, and the striker plate 440 is located on a side of the brushing roller 110 away from the sponge 260. When the striker plate 440 rotates to be perpendicular to the axis of the supporting frame 100, the paint dropped from the paint roller 110 can be received. The material blocking sleeve 410 is movably sleeved on the support frame 100, the material blocking sleeve 410 is connected with a sliding block 420, the sliding block 420 is hinged to a material blocking connecting rod 430, and one end, far away from the sliding block 420, of the material blocking connecting rod 430 is hinged to a material blocking plate 440. The supporting frame 100 is circumferentially provided with a plurality of fixing blocks 120 at intervals, the plurality of fixing blocks 120 are rotationally and symmetrically arranged about the axis of the supporting frame 100, the material blocking sleeve 410 is provided with a plurality of sliding grooves 411 in one-to-one correspondence with the fixing blocks 120, the upper end face of the material blocking sleeve 410 is circumferentially provided with a ring groove 412, and the sliding block 420 can move in the ring groove 412. When the dripping coating does not need to be accepted, the material baffle plate 440 is parallel to the axis of the support frame 100, and when the dripping coating needs to be accepted, the material baffle sleeve 410 is rotated, so that the sliding groove 411 corresponds to the position of the fixed block 120, the material baffle sleeve 410 is driven to slide on the support frame 100, the material baffle plate 440 can be rotated to be perpendicular to the axis of the support frame 100, and the fixed block 120 can penetrate through the sliding groove 411 in the process. When the striker plate 440 moves to a proper position, the striker sleeve 410 is rotated, so that the sliding groove 411 is staggered with the position of the fixing block 120, the fixing block 120 can be abutted against the lower end face of the striker sleeve 410, and the striker sleeve 410 is supported and fixed.

The implementation principle of the building wall painting device provided by the embodiment of the invention is as follows: the feed pump 220 is driven to operate, and the coating material in the raw material tank 210 can enter the first feed cavity 231 and the second feed cavity 232. The opening and closing mechanism 300 controls the closing of the feeding hose 301 communicated with the first feeding cavity 231 and the opening of the discharging hose 302, and at the moment, the opening of the feeding hose 301 communicated with the second feeding cavity 232 and the closing of the discharging hose 302 are realized. The material pushing plate 240 is driven to move, the material pushing plate 240 compresses the volume of the first feeding cavity 231, the coating in the first feeding cavity 231 is conveyed into the liquid homogenizing box 250 through the opened discharging hose 302, the coating flows to the sponge 260 through a plurality of discharging holes 251 uniformly arranged at intervals, and the sponge 260 uniformly dips the coating to feed the coating brush roller 110.

When the coating in the first feeding cavity 231 is used up, the opening and closing mechanism 300 is used for controlling the opening of the feeding hose 301 communicated with the first feeding cavity 231, the discharging hose 302 is closed, the feeding hose 301 communicated with the second feeding cavity 232 is closed, and the discharging hose 302 is opened. The material pushing plate 240 is driven to move reversely to compress the volume of the second feeding cavity 232, the coating in the second feeding cavity 232 is conveyed into the liquid homogenizing box 250 through the opened discharging hose 302, and meanwhile, the coating is supplemented in the first feeding cavity 231, so that uninterrupted feeding is realized. The driving of the brushing roller 110 is rotationally matched with the movement of the lifting mechanism, so that the brushing roller 110 can brush the wall surface uniformly and continuously.

The striker 400 is driven to move, so that the striker plate 440 can rotate to be perpendicular to the axis of the supporting frame 100 to receive the paint dripped on the painting roller 110.

Through feed mechanism 200, start/stop mechanism 300 and stock stop 400, realize brushing the wall evenly in succession, can set up cavity in the continuous feed case 230 into standard volume simultaneously, the quantity of use of coating is calculated directly perceivedly through the state change of linkage 320.

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

Claims

1. The utility model provides a device is applied paint with a brush to building wall, includes support frame (100), support frame (100) rotate to be connected with scribble brush roll (110), its characterized in that: the automatic feeding device is characterized in that a feeding mechanism (200) is arranged on the supporting frame (100), the feeding mechanism (200) comprises a sponge (260) used for feeding the coating brush roll (110), the sponge (260) is fixedly connected with the supporting frame (100) and abutted to the coating brush roll (110), one side, far away from the coating brush roll (110), of the sponge (260) is fixedly connected with a liquid homogenizing box (250) used for containing coating, one side, close to the sponge (260), of the liquid homogenizing box (250) is provided with a plurality of discharging holes (251) uniformly arranged at intervals along the length direction of the liquid homogenizing box (250), the liquid homogenizing box (250) is fixedly connected with a continuous feeding box (230) used for containing coating, the continuous feeding box (230) is communicated with the liquid homogenizing box (250) through two discharging hoses (302), a material pushing plate (240) is connected in the continuous feeding box (230) in a sliding mode, and the material pushing plate (240) divides the continuous feeding box (230) into a first feeding cavity (231) and a second feeding cavity which are not communicated with each other The continuous feeding box comprises a cavity (232), wherein the first feeding cavity (231) and the second feeding cavity (232) are respectively communicated with the two discharging hoses (302), and an opening and closing mechanism (300) used for controlling the on-off of the discharging hoses (302) is arranged on the continuous feeding box (230).

2. The brushing device for building wall surface according to claim 1, characterized in that: the opening and closing mechanism (300) comprises two discharging blocking blocks (340) which are arranged in one-to-one correspondence with the discharging hoses (302), the discharging blocking blocks (340) can abut and extrude the discharging hoses (302), and the discharging blocking blocks (340) are rotatably connected with the continuous feeding box (230).

3. The device for painting a building wall surface according to claim 2, wherein: fixedly connected with is used for holding former feed tank (210) of coating on support frame (100), continuous feed tank (230) are through two feeding hose (301) and former feed tank (210) intercommunication, first feeding cavity (231) and second feeding cavity (232) respectively with two feeding hose (301) intercommunication, opening and close mechanism (300) still include two feeding sprue (330) that set up with feeding hose (301) one-to-one, feeding sprue (330) can support tightly and extrude feeding hose (301), feeding sprue (330) rotate with continuous feed tank (230) and are connected.

4. The device for coating a building wall surface according to claim 3, wherein: the opening and closing mechanism (300) also comprises a connecting rod group (320) used for connecting the feeding block (330) and the discharging block (340), the linkage (320) comprises two first blockout connecting rods (321) arranged in parallel, the middle part of the first block connecting rod (321) is rotationally connected with the continuous feeding tank (230), one end of the first block connecting rod (321) is connected with the corresponding feeding block (330), the other end is connected with the corresponding discharging block (340), the linkage (320) includes two parallel arrangement's second sprue connecting rod (322), one second sprue connecting rod (322) are connected between two feeding sprue (330), another second sprue connecting rod (322) are connected between two ejection of compact sprue (340), two first sprue connecting rod (321) and two second sprue connecting rod (322) constitute the parallelogram structure.

5. The device for coating a building wall surface according to claim 4, wherein: the opening and closing mechanism (300) further comprises a driving assembly (310) used for driving the first blocking piece connecting rod (321) to rotate, the driving assembly (310) comprises a pushing cylinder (311) connected with the continuous feeding box (230), a piston rod of the pushing cylinder (311) is hinged to a blocking piece sleeve (312), and the blocking piece sleeve (312) is slidably sleeved on one of the first blocking piece connecting rod (321).

6. The brushing device for building wall surface according to claim 1, characterized in that: the paint scraper is characterized in that a material blocking mechanism (400) is further arranged on the supporting frame (100), the material blocking mechanism (400) comprises a material blocking plate (440) used for containing paint dripped from the painting brush roller (110), the material blocking plate (440) is rotatably connected with the supporting frame (100), and is located on one side, far away from the sponge (260), of the painting brush roller (110).

7. The device for coating a building wall surface according to claim 6, wherein: the material blocking mechanism (400) further comprises a material blocking sleeve (410) movably sleeved on the support frame (100), the material blocking sleeve (410) is connected with a sliding block (420), the sliding block (420) is hinged with a material blocking connecting rod (430), and the material blocking connecting rod (430) is hinged with a material blocking plate (440).

8. The device for coating a building wall surface according to claim 7, wherein: the circumference interval is provided with a plurality of fixed blocks (120) on support frame (100), and is a plurality of fixed block (120) set up about the axis rotational symmetry of support frame (100), keep off material sleeve (410) and set up a plurality of spout (411) with fixed block (120) one-to-one, fixed block (120) can be in spout (411) relative slip, keep off material sleeve (410) and slider (420) and rotate and be connected, fixed block (120) are used for keeping off the terminal surface butt of material sleeve (410).