Putty powder painting device for construction site

Abstract

The present invention relates to a painting device, and in particular to a painting device for putty powder on a construction site. The present invention provides a painting device for putty powder on a construction site, which can conveniently adjust the painting position, can accurately position the painting, and has a good painting effect. The present invention provides such a painting device for putty powder on a construction site, including a conveying pipe, a feeding plate, a first return spring, a pressing plate, etc. The upper rear side of the conveying pipe is connected to a feeding plate for conveying putty, and a pressing plate is slidably provided at the rear of the feeding plate, and two first return springs are connected between the pressing plate and the feeding plate. The putty powder can be rotated and stirred by the stirring blade to prevent the putty from solidifying, and the moving distance of the brush barrel can be compensated by the folding hose. The brush barrel can be conveniently positioned to paint putty at different positions, thereby achieving a better painting effect.

Description

Technical Field

[0001] The invention relates to a painting device, in particular to a putty powder painting device for a construction site. Background Art

[0002] In building decoration, putty powder is a common environmentally friendly decorative material. Its function is to lay the foundation for the later pasting operation on the wall and to increase the hardness of the wall. Before use, putty and water need to be mixed together, stirred by a blender, and then painted on the wall by a painting device. The traditional painting device is usually composed of a handle and a woolen brush head. When painting the wall, the operator holds the handle to dip the brush head with the mixed putty, and then brushes the putty on the wall, which easily causes the putty to fall on the body. When painting the wall with putty in the prior art, the putty is sprayed on the wall at high speed through a putty machine. This method cannot control the spraying amount well and will accelerate the pollution of indoor air.

[0003] According to a patent authorization publication number CN215107001U, the announcement date is 20211210, a putty painting device includes: a box body, which is provided with a feed port; a stirring tank, which is formed in the box body and connected to the feed port; a stirring assembly, which is installed in the box body and partially located in the stirring tank to stir the putty; a spray plate, which is installed on the side of the box body in a manner with adjustable installation height; a plurality of nozzles, which are installed at intervals along the length direction of the spray plate on a side surface of the spray plate away from the box body; a feed pump, which is installed on the box body; and a scraper, which is installed on a side surface of the spray plate away from the box body along the length direction of the spray plate. The putty painting device pushes the putty painting device so that the scraper can scrape the putty on the wall to be painted, thereby achieving the painting of the wall, but the painting position cannot be conveniently adjusted, and the painting can only be carried out in large areas during painting, and positioning is impossible, and the painting effect is not very good.

[0004] In view of the shortcomings of the above-mentioned prior art, a construction site putty powder painting device is designed to overcome the shortcomings of the prior art, which can conveniently adjust the painting position, accurately position the painting, and has a good painting effect. Summary of the invention

[0005] In order to overcome the shortcomings of the above-mentioned prior art that the painting position cannot be conveniently adjusted, and that only large areas can be painted during painting without positioning, resulting in poor painting effect, the technical problem to be solved by the present invention is to provide a construction site putty powder painting device that can conveniently adjust the painting position, can accurately position the painting, and has a better painting effect.

[0006] In order to solve the above technical problems, the present invention provides a putty powder painting device for a construction site, comprising a conveying pipe, a feeding plate, a first return spring, a pressure plate, a rubber block, a mounting rod, a brush cylinder, a sleeve rod, a stretching mechanism, an extension mechanism and a feeding mechanism. The upper rear side of the conveying pipe is connected with a feeding plate for transmitting putty, a pressure plate is slidably provided at the rear of the feeding plate, two first return springs are connected between the pressure plate and the feeding plate, rubber blocks are symmetrically provided on the upper and lower sides of the rear of the pressure plate, a mounting rod is provided directly behind the feeding plate, a sleeve rod is rotatably sleeved on the outside of the mounting rod, a brush cylinder capable of pushing the pressure plate is sleeved on the outside of the sleeve rod, a stretching mechanism for pulling the brush cylinder is provided between the feeding plate and the mounting rod, an extension mechanism for extending the transmission distance is provided at the lower part of the conveying pipe, and a feeding mechanism for extracting putty is provided between the conveying pipe and the extension mechanism.

[0007] Preferably, the stretching mechanism includes a conduit, a pull rope, a pull rod, a first fixed block, a connecting spring, a second fixed block and a guide rod. The right side of the upper part of the conveying pipe is connected to a conduit for guidance, the feeding plate and the right side of the mounting rod are respectively connected to the first fixed block and the second fixed block, the upper front side of the second fixed block is connected to a guide rod that slides through the first fixed block, the lower front side of the second fixed block is connected to a pull rope that slides through the first fixed block and the conduit, the tail end of the pull rope is connected to the pull rod, and a connecting spring wound around the outside of the pull rope is connected between the first fixed block and the second fixed block.

[0008] Preferably, the extension mechanism includes an inner spiral tube, an outer spiral tube and a folding hose. A folding hose for extending the distance is slidably provided on the inner side of the lower part of the delivery tube. The upper and lower sides of the folding hose are symmetrically connected to the outer spiral tube. The inner side of the outer spiral tube is sleeved with an inner spiral tube that is threadably matched with it, and the upper inner spiral tube is connected to the delivery tube.

[0009] Preferably, the feeding mechanism includes a feeding box, a motor, a stirring blade, a mud pump and a support frame. The feeding box is arranged directly below the conveying pipe. The upper front side of the feeding box is connected to a support frame for supporting the conveying pipe. A mud pump for extracting putty is installed on the top of the feeding box. The mud pump is connected to the inner spiral tube below. A motor for power output is installed on the lower middle side of the feeding box. The motor output shaft rotatably passes through the feeding box and is connected to the stirring blade located inside the feeding box.

[0010] Preferably, it also includes a rotating mechanism for rotating feeding, the rotating mechanism includes a sleeve, an edge block, a winding rope, a second return spring and a limit plate, a sleeve is connected between the mounting rod and the second fixed block, a sliding sleeve is provided on the outer side of the sleeve with an edge block that rotatably cooperates with it, a prismatic groove corresponding to the edge block is opened on the right side of the sleeve rod, a second return spring located inside the prismatic groove is connected between the edge block and the sleeve rod, a winding rope is wound around the outer side of the edge block, and a limit plate for squeezing the edge block to move is connected to the rear side of the right part of the feeding plate.

[0011] Preferably, an auxiliary mechanism for assisting the rotating mechanism is also included, the auxiliary mechanism includes a guide plate, a first magnetic block, an elastic rope, a push frame, a first pressure block, a clamping block, a rubber rod and a second magnetic block, the tail end of the winding rope is connected to the second magnetic block, the front side of the right part of the feeding plate is connected to the guide plate, a first magnetic block for magnetically adsorbing the second magnetic block is slidably provided between the feeding plate and the guide plate, a rubber rod is connected to the rear part of the first magnetic block, the lower side of the rubber rod is connected to the clamping block clamped by the feeding plate, the right side of the pressure plate is connected to the first pressure block, the upper side of the front end of the guide rod is connected to the push frame, and an elastic rope is connected between the push frame and the first magnetic block.

[0012] Preferably, a protective mechanism for protecting the operator is also included, the protective mechanism includes a protective plate, a torsion spring and a second pressure block, a protective plate is rotatably provided in the middle of the conveying pipe, two torsion springs symmetrically arranged are connected between the protective plate and the conveying pipe, and a second pressure block for pushing the protective plate to rotate is sleeved on the outer side of the lower part of the pull rope.

[0013] Preferably, a stabilizing block is connected to the right side of the middle of the delivery pipe, and the pull rope slides through the stabilizing block.

[0014] The effect achieved by the present invention is achieved by the present invention.

[0015] 1. The stirring blade can be used to rotate and stir the putty powder to prevent the putty from solidifying. The folding hose can compensate for the moving distance of the brush tube. The brush tube can be used to conveniently position the putty for painting at different locations, thereby achieving a better painting effect.

[0016] 2. The first magnetic block drives the second magnetic block to move forward, and the second magnetic block automatically rotates the brush barrel through the winding rope, so that the brush barrel can be stained with putty before painting, and then the brush barrel can be used to paint the wall alone, making the operation of painting the wall more uniform and accurate, and achieving a quantitative effect, thereby preventing excessive application of putty and avoiding waste.

[0017] 3. Rotate and unfold the protective plate to reduce the area of ​​putty splashing on the body when painting the wall, and rotate the protective plate in the opposite direction to retract it to reduce the space occupied. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the stretching mechanism of the present invention.

[0020] Figure 3 It is a three-dimensional structural cross-sectional view of the stretching mechanism of the present invention.

[0021] Figure 4It is a three-dimensional structural cross-sectional view of the auxiliary mechanism and the stretching mechanism of the present invention.

[0022] Figure 5 It is a three-dimensional structural cross-sectional view of the rotating mechanism and the stretching mechanism of the present invention.

[0023] Figure 6 It is a partial three-dimensional structural cross-sectional view of the stretching mechanism, rotating mechanism and auxiliary mechanism of the present invention.

[0024] Figure 7 It is an enlarged view of point A of the present invention.

[0025] Figure 8 It is a three-dimensional structural schematic diagram of the protection mechanism and the feeding mechanism of the present invention.

[0026] Fig. 9 It is an enlarged view of B of the present invention.

[0027] Fig.10 It is a partial three-dimensional structural sectional view of the extension mechanism and the feeding mechanism of the present invention.

[0028] Fig.11 It is a partial three-dimensional structural cross-sectional view of the extension mechanism of the present invention.

[0029] The markings in the accompanying drawings are: 1-conveying pipe, 2-feeding plate, 21-first return spring, 22-pressing plate, 23-rubber block, 3-mounting rod, 31-brush cylinder, 32-sleeve rod, 4-stretching mechanism, 41-conduit, 42-pull rope, 43-pull rod, 44-first fixed block, 45-connecting spring, 46-second fixed block, 47-guide rod, 5-auxiliary mechanism, 51-guide plate, 52-first magnetic block, 53-elastic rope, 54-push frame, 55-first press block , 56-block, 57-rubber rod, 58-second magnetic block, 6-rotating mechanism, 61-sleeve, 62-edge block, 63-winding rope, 64-second return spring, 65-limiting plate, 7-protective mechanism, 71-protective plate, 72-torsion spring, 73-second pressing block, 8-extension mechanism, 81-inner screw tube, 82-outer screw tube, 83-folding hose, 9-feeding mechanism, 91-feeding box, 92-motor, 93-stirring blade, 94-mud pump, 95-support frame. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0031] Example 1

[0032] A putty powder painting device for a construction site, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Fig.10 and Fig.11As shown, it includes a conveying pipe 1, a feeding plate 2, a first return spring 21, a pressure plate 22, a rubber block 23, a mounting rod 3, a brush cylinder 31, a sleeve rod 32, a stretching mechanism 4, an extension mechanism 8 and a feeding mechanism 9. The upper rear side of the conveying pipe 1 is connected with the feeding plate 2, and a pressure plate 22 is slidably provided at the rear of the feeding plate 2. Two first return springs 21 are connected between the pressure plate 22 and the feeding plate 2. Rubber blocks 23 are symmetrically bolted on the upper and lower sides of the rear of the pressure plate 22. A mounting rod 3 is provided directly behind the feeding plate 2. A sleeve rod 32 is rotatably sleeved on the outer side of the mounting rod 3. A brush cylinder 31 is sleeved on the outer side of the sleeve rod 32. A stretching mechanism 4 is provided between the feeding plate 2 and the mounting rod 3. An extension mechanism 8 is provided at the lower part of the conveying pipe 1. A feeding mechanism 9 is provided between the conveying pipe 1 and the extension mechanism 8.

[0033] like Figure 2 As shown, the stretching mechanism 4 includes a conduit 41, a pull rope 42, a pull rod 43, a first fixed block 44, a connecting spring 45, a second fixed block 46 and a guide rod 47. The conduit 41 is welded to the right side of the upper part of the conveying pipe 1, and the first fixed block 44 and the second fixed block 46 are bolted to the right side of the feeding plate 2 and the mounting rod 3 respectively. A guide rod 47 is welded to the front side of the upper part of the second fixed block 46, and the guide rod 47 slides through the first fixed block 44. The front side of the lower part of the second fixed block 46 is connected to the pull rope 42, and the pull rope 42 slides through the first fixed block 44 and the conduit 41. The tail end of the pull rope 42 is connected to the pull rod 43, and a stabilizing block is connected to the right side of the middle part of the conveying pipe 1. The pull rope 42 slides through the stabilizing block, so that the pull rope 42 can be more stable. A connecting spring 45 is connected between the first fixed block 44 and the second fixed block 46, and the connecting spring 45 is wound around the outside of the pull rope 42.

[0034] like Fig.11 As shown, the extension mechanism 8 includes an inner spiral tube 81, an outer spiral tube 82 and a foldable hose 83. A foldable hose 83 is slidably provided on the inner side of the lower part of the delivery tube 1. The foldable hose 83 is symmetrically connected to the outer spiral tube 82 on the upper and lower sides. The inner spiral tube 81 is sleeved on the inner side of the outer spiral tube 82. The inner spiral tube 81 and the outer spiral tube 82 are threadedly matched. The upper inner spiral tube 81 is connected to the delivery tube 1.

[0035] like Fig.10 As shown, the feeding mechanism 9 includes a feeding box 91, a motor 92, a stirring blade 93, a mud pump 94 and a support frame 95. The feeding box 91 is arranged directly below the conveying pipe 1, and the support frame 95 is bolted to the upper front side of the feeding box 91. A mud pump 94 is installed on the top of the feeding box 91 by means of screw connection. The mud pump 94 is connected to the inner spiral tube 81 below. A motor 92 is installed on the lower middle side of the feeding box 91 by means of screw connection. The output shaft of the motor 92 rotatably passes through the feeding box 91. The output shaft of the motor 92 is connected with a stirring blade 93, and the stirring blade 93 is located inside the feeding box 91.

[0036] First, the operator adds putty powder into the loading box 91, and then starts the motor 92. The output shaft of the motor 92 drives the stirring blades 93 to rotate and stir the putty powder to prevent it from sticking. The operator turns off the motor 92, and then removes the conveying tube 1 from the support frame 95. Then, the operator holds the conveying tube 1 and brings the brush tube 31 close to the wall to be painted. The folding hose 83 extends accordingly. The operator then drives the pull rod 43 to move downward. The pull rod 43 will pull the second fixing block 46 forward through the pull rope 42, and the connecting spring 45 will be compressed. The second fixing block 46 will drive the guide rod 47 and the mounting rod 3 to move forward. The mounting rod 3 will drive the brush tube 31 to move forward through the sleeve rod 32 to push the pressing plate 22. The pressing plate 22 is forced to drive the rubber blocks 23 on the upper and lower sides to move forward. , the first return spring 21 is compressed, and the rubber blocks 23 on the upper and lower sides are in a closed state at this time. The closing of the rubber blocks 23 can prevent foreign matter from entering the feeding plate 2. The rubber blocks 23 move forward and are squeezed and deformed by the feeding plate 2. At this time, the rubber blocks 23 on the upper and lower sides are in an open and closed state. The operator starts the mud pump 94 again, and the mud pump 94 transfers the putty to the delivery pipe 1 through the folding hose 83. The delivery pipe 1 transfers the putty to the feeding plate 2. The putty in the feeding plate 2 then passes through the gap between the two rubber blocks 23 and is immersed in the brush cylinder 31. The operator can now make the brush cylinder 31 contact the wall, and then move the brush cylinder 31 up and down through the delivery pipe 1. The brush cylinder 31 then rotates with the mounting rod 3 as the center and continuously paints the putty on the wall. The putty painting operation can be performed on the upper part, so that the putty painting operation can be performed. After the putty painting operation is completed, the operator turns off the mud pump 94, loosens the pull rod 43, and the connecting spring 45 resets. The second fixing block 46 moves backward under the action of the connecting spring 45 resetting, and pulls the pull rod 43 upward to reset through the pull rope 42. In the process of moving backward, the second fixing block 46 will also drive the sleeve rod 32 to move backward through the mounting rod 3, and the sleeve rod 32 will drive the brush cylinder 31 to move backward and release the pressing plate 22. The first reset spring 21 resets, and the pressing plate 22 drives the rubber block 23 to move backward and disengage from the feeding plate 2 under the action of the first reset spring 21 resetting. The rubber blocks 23 on the upper and lower sides are reset accordingly and closed again, and the operator then clamps the conveying pipe 1 back to the support frame 95, so that The device can be used to complete the use of the device. When the folding hose 83 needs to be replaced, the operator first drives the upper inner spiral tube 81 to rotate through the conveying tube 1, and the upper inner spiral tube 81 then spirals upward and gradually separates from the upper outer spiral tube 82. The operator then moves the conveying tube 1 upward to remove it from the folding hose 83. Then the operator drives the lower outer spiral tube 82 to rotate through the folding hose 83, and the lower outer spiral tube 82 then spirals upward and gradually separates from the lower inner spiral tube 81, so that the folding hose 83 can be taken out and replaced. The operator then docks the outer spiral tube 82 with the lower inner spiral tube 81, and drives the outer spiral tube 82 to rotate in the opposite direction through the new folding hose 83, so that the outer spiral tube 82 is reinserted into the lower inner spiral tube 81.Then the operator puts the delivery tube 1 on the outside of the new folding hose 83, and drives the upper outer spiral tube 82 to rotate in the opposite direction through the delivery tube 1, so that the upper outer spiral tube 82 is put on the inner side of the upper inner spiral tube 81, so as to complete the replacement operation of the folding hose 83.

[0037] Example 2

[0038] On the basis of Example 1, Figure 1 and Figure 4 As shown, it also includes a rotating mechanism 6, which includes a sleeve 61, a ridge block 62, a winding rope 63, a second return spring 64 and a limit plate 65. A sleeve 61 is welded between the mounting rod 3 and the second fixed block 46. A ridge block 62 is slidably sleeved on the outer side of the sleeve 61. The ridge block 62 is rotatably matched with the sleeve 61. A ridge groove is opened on the right side of the sleeve rod 32, and the ridge groove corresponds to the ridge block 62. A second return spring 64 is connected between the ridge block 62 and the sleeve rod 32, and the second return spring 64 is located inside the ridge groove. A winding rope 63 is wound around the outer side of the ridge block 62. A limit plate 65 for squeezing the ridge block 62 to move is connected to the rear side of the right part of the feeding plate 2.

[0039] like Figure 1 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, an auxiliary mechanism 5 is also included, and the auxiliary mechanism 5 includes a guide plate 51, a first magnetic block 52, an elastic rope 53, a push frame 54, a first pressure block 55, a clamping block 56, a rubber rod 57 and a second magnetic block 58. The tail end of the winding rope 63 is connected to the second magnetic block 58. The guide plate 51 is bolted to the front side of the right part of the feeding plate 2. The first magnetic block 52 is slidably arranged between the feeding plate 2 and the guide plate 51. The rear part of the first magnetic block 52 is connected to the rubber rod 57, and the lower side of the rubber rod 57 is connected to the clamping block 56. The right side of the pressure plate 22 is connected to the first pressure block 55, and the push frame 54 is welded to the upper side of the front end of the guide rod 47. An elastic rope 53 is connected between the push frame 54 and the first magnetic block 52.

[0040] At first, the feeding plate 2 jams the block 56, and the operator starts the mud pump 94 first, and then pulls the pull rod 43 downward, so that the second fixed block 46 drives the guide rod 47 to move forward, and the guide rod 47 drives the push frame 54 to move forward when moving forward, and the push frame 54 pulls the first magnetic block 52 forward through the elastic rope 53. Since the feeding plate 2 jams the block 56, the elastic rope 53 will enter a stretched state. At the same time, when driving the guide rod 47 to move forward, the second fixed block 46 will also drive the edge block 62 to move forward through the sleeve 61 and contact the limit plate 65. The limit plate 65 squeezes the edge block 62 to move leftward and fit into the prismatic groove on the sleeve rod 32, and the second return spring 64 is compressed. The leftward movement of the edge block 62 will also drive the winding rope 63 to move leftward, and the second magnetic block 58 on the winding rope 63 will be magnetically attracted to the first magnetic block 52. At this time, the elastic rope 53 has been stretched to the limit, and the clamping block 56 will push the rubber rod 57 to deform under the squeezing force of the feeding plate 2. At this time, the clamping block 56 will separate from the feeding plate 2, and the elastic rope 53 will reset. Under the action of the resetting of the elastic rope 53, the first magnetic block 52 will pull the winding rope 63 to rotate through the second magnetic block 58, and the winding rope 63 will drive the sleeve rod 32 to rotate through the edge block 62. At this time, the brush cylinder 31 is in contact with the pressure plate 22, and the rubber block 23 is in the open and closed state. The rotation of the sleeve rod 32 automatically causes the brush cylinder 31 to rotate, so that This can make the outside of the brush barrel 31 stained with putty, and then the operator releases the pull rod 43, and the second fixed block 46 will drive the edge block 62 to move backward and disengage from the limit plate 65 through the sleeve 61, and the second return spring 64 will reset. The edge block 62 drives the winding rope 63 to move to the right under the action of the second return spring 64. At the same time, the second fixed block 46 will also drive the push frame 54 to move backward through the guide rod 47 to release the elastic rope 53. The backward movement of the push frame 54 will also push the first magnetic block 52 to move backward. At this time, the brush barrel 31 has been separated from the pressure plate 22, and the rubber block 23 is in a closed state. The operator can use the brush barrel 31 to perform putty painting on the wall, so that the brush barrel 31 can be first 1. Apply putty on the wall in a certain amount and then perform the painting operation. When the brush barrel 31 moves upward on the wall, the brush barrel 31 will drive the sleeve rod 32 to rotate. The sleeve rod 32 will drive the edge block 62 to rotate through the second reset spring 64 to reel in the winding rope 63. The winding rope 63 will first pull the first magnetic block 52 to move backward through the second magnetic block 58. The first magnetic block 52 will drive the clamping block 56 to move backward and separate from the feeding plate 2 through the rubber rod 57. The rubber rod 57 is reset. The clamping block 56 moves downward and resets under the action of the reset of the rubber rod 57. The first magnetic block 52 continues to move backward and will be stuck by the first pressing block 55. The second magnetic block 58 will then separate from the first magnetic block 52, so as to prepare for the next quantitative putty painting operation.

[0041] Example 3

[0042] On the basis of Example 2, Figure 1 , Figure 8 and Fig. 9 As shown, a protection mechanism 7 is also included, which includes a protection plate 71, a torsion spring 72 and a second pressure block 73. The protection plate 71 is rotatably provided in the middle of the conveying pipe 1. Two torsion springs 72 are connected between the protection plate 71 and the conveying pipe 1. The two torsion springs 72 are symmetrically arranged. A second pressure block 73 is sleeved on the outer side of the lower part of the pull rope 42.

[0043] The operator moves the pull rod 43 downward, and the pull rod 43 will pull the second pressure block 73 downward through the pull rope 42. The downward movement of the second pressure block 73 will squeeze the protective plate 71, and the protective plate 71 will rotate and unfold under the force, and the torsion spring 72 will deform. Therefore, when painting putty on the wall, the area of ​​putty splashing on the body is reduced through the protective plate 71. Then the operator releases the pull rod 43, and the pull rope 42 will drive the second pressure block 73 to move upward to release the protective plate 71, and the torsion spring 72 will reset. The protective plate 71 rotates in the opposite direction and is retracted under the action of the torsion spring 72 resetting, thereby completing the protection operation.

[0044] The above-mentioned embodiments only express the preferred implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person skilled in the art, several modifications, improvements and substitutions can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the attached claims.

Claims

1. A putty powder painting device for a construction site, comprising a conveying pipe (1), a feeding plate (2), a first return spring (21), a pressure plate (22), a rubber block (23), a mounting rod (3), a brush cylinder (31) and a sleeve rod (32), wherein the upper rear side of the conveying pipe (1) is connected to the feeding plate (2) for conveying putty, a pressure plate (22) is slidably provided at the rear of the feeding plate (2), two first return springs (21) are connected between the pressure plate (22) and the feeding plate (2), rubber blocks (23) are symmetrically provided on the upper and lower sides of the rear of the pressure plate (22), a mounting rod (3) is provided directly behind the feeding plate (2), a sleeve rod (32) is rotatably sleeved on the outer side of the mounting rod (3), and a brush cylinder (31) capable of pushing the pressure plate (22) is sleeved on the outer side of the sleeve rod (32), wherein the characteristic is that It also includes a stretching mechanism (4), an extension mechanism (8) and a feeding mechanism (9); a stretching mechanism (4) for pulling the brush cylinder (31) is provided between the feeding plate (2) and the mounting rod (3); an extension mechanism (8) for extending the transmission distance is provided at the lower part of the conveying pipe (1); and a feeding mechanism (9) for extracting putty is provided between the conveying pipe (1) and the extension mechanism (8); The stretching mechanism (4) comprises a guide tube (41), a pull rope (42), a pull rod (43), a first fixed block (44), a connecting spring (45), a second fixed block (46) and a guide rod (47); the right side of the upper part of the conveying tube (1) is connected to the guide tube (41); the right sides of the feeding plate (2) and the mounting rod (3) are respectively connected to the first fixed block (44) and the second fixed block (46); the upper front side of the second fixed block (46) is connected to the guide rod (47) which slidably penetrates the first fixed block (44); the lower front side of the second fixed block (46) is connected to the pull rope (42) which slidably penetrates the first fixed block (44) and the guide tube (41); the tail end of the pull rope (42) is connected to the pull rod (43); and a connecting spring (45) which is wound around the outside of the pull rope (42) is connected between the first fixed block (44) and the second fixed block (46); The extension mechanism (8) comprises an inner spiral tube (81), an outer spiral tube (82) and a foldable hose (83); a foldable hose (83) for extending the distance is slidably provided on the inner side of the lower part of the delivery tube (1); the foldable hose (83) is symmetrically connected to the outer spiral tube (82) on both sides of the foldable hose (83); an inner spiral tube (81) threadably matched with the outer spiral tube (82) is sleeved on the inner side of the outer spiral tube (82); the upper inner spiral tube (81) is connected to the delivery tube (1); The feeding mechanism (9) comprises a feeding box (91), a motor (92), a stirring blade (93), a mud pump (94) and a support frame (95); the feeding box (91) is arranged directly below the conveying pipe (1); the front upper side of the feeding box (91) is connected to the support frame (95) for supporting the conveying pipe (1); the top of the feeding box (91) is equipped with a mud pump (94) for extracting putty; the mud pump (94) is connected to the inner spiral tube (81) below; the middle lower side of the feeding box (91) is equipped with a motor (92) for power output; the output shaft of the motor (92) rotatably penetrates the feeding box (91) and is connected to the stirring blade (93) located inside the feeding box (91); The utility model also comprises a rotating mechanism (6) for rotating feeding, wherein the rotating mechanism (6) comprises a sleeve (61), an edge block (62), a winding rope (63), a second return spring (64) and a limit plate (65); a sleeve (61) is connected between the mounting rod (3) and the second fixing block (46); an edge block (62) rotatably matched with the sleeve (61) is slidably sleeved on the outer side of the sleeve (61); a prismatic groove corresponding to the edge block (62) is opened on the right side of the sleeve rod (32); a second return spring (64) located inside the prismatic groove is connected between the edge block (62) and the sleeve rod (32); a winding rope (63) is wound around the outer side of the edge block (62); and a limit plate (65) for squeezing the edge block (62) to move is connected to the rear side of the right part of the feeding plate (2); The auxiliary mechanism (5) also includes a guide plate (51), a first magnetic block (52), an elastic rope (53), a push frame (54), a first pressure block (55), a clamping block (56), a rubber rod (57) and a second magnetic block (58); the tail end of the winding rope (63) is connected to the second magnetic block (58); the front side of the right part of the feeding plate (2) is connected to the guide plate (51); a first magnetic block (52) for magnetically adsorbing the second magnetic block (58) is slidably provided between the feeding plate (2) and the guide plate (51); the rear part of the first magnetic block (52) is connected to the rubber rod (57); the lower side of the rubber rod (57) is connected to the clamping block (56) clamped by the feeding plate (2); the right side of the pressure plate (22) is connected to the first pressure block (55); the upper side of the front end of the guide rod (47) is connected to the push frame (54); and the elastic rope (53) is connected between the push frame (54) and the first magnetic block (52); The operator adds putty powder into the loading box and then starts the motor. The motor output shaft drives the stirring blades to rotate and stir the putty powder to prevent it from sticking. The operator turns off the motor and removes the conveying tube from the support frame. Then, holding the conveying tube, the brush tube is close to the wall to be painted, and the folding hose is extended. The operator then drives the pull rod downward, and the pull rod pulls the second fixed block forward through the pull rope. The connecting spring is compressed, and the second fixed block drives the guide rod and the mounting rod forward. The mounting rod drives the brush tube forward through the sleeve rod to push the pressure plate. The pressure plate is subjected to force to drive the rubber blocks on the upper and lower sides to move forward. The first reset spring is compressed, and the rubber blocks on the upper and lower sides are in a closed state at this time. The rubber block is in the open and closed state, and foreign matter can be prevented from entering the feeding plate by closing the rubber block. The rubber block will be squeezed and deformed by the feeding plate when it moves forward. At this time, the rubber blocks on the upper and lower sides are in the open and closed state. The operator starts the mud pump again, and the mud pump transfers the putty to the delivery pipe through the folding hose. The delivery pipe transfers the putty to the feeding plate. The putty in the feeding plate then passes through the gap between the two rubber blocks and is immersed in the brush cylinder. The operator can now make the brush cylinder contact the wall, and then move the brush cylinder up and down through the delivery pipe. The brush cylinder then rotates with the installation rod as the center and continuously paints the putty on the wall, so that the putty painting operation can be performed. After the putty painting operation is completed, the operator turns off the mud pump and releases the The pull rod is reset, and the connecting spring is reset. The second fixed block moves backward under the action of the connecting spring reset and pulls the pull rod upward to reset through the pull rope. In the process of moving backward, the second fixed block will also drive the sleeve rod to move backward through the installation rod, and the sleeve rod will drive the brush cylinder to move backward to release the pressure plate, and the first reset spring is reset. The pressure plate drives the rubber block to move backward and disengage from the feeding plate under the action of the first reset spring reset. The rubber blocks on the upper and lower sides are reset and closed again, and the operator then connects the conveying tube back to the support frame, so as to complete the use of the device. When the folding hose needs to be replaced, the operator first drives the upper inner screw tube to rotate through the conveying tube, and the upper inner screw tube moves upward accordingly. The outer spiral tube moves in a spiral motion and gradually separates from the upper outer spiral tube. The operator then moves the conveying tube upward to remove it from the folding hose. Then the operator drives the outer spiral tube below to rotate through the folding hose. The outer spiral tube below then moves in a spiral motion upward and gradually separates from the inner spiral tube below. In this way, the folding hose can be taken out and replaced. The operator then docks the outer spiral tube with the inner spiral tube below, drives the outer spiral tube to rotate in the opposite direction through the new folding hose, and re-inserts the outer spiral tube into the inner spiral tube below. Then the operator sleeves the conveying tube on the outside of the new folding hose, and drives the upper outer spiral tube to rotate in the opposite direction through the conveying tube, so that the upper outer spiral tube is sleeved on the inner side of the upper inner spiral tube. In this way, the replacement operation of the folding hose can be completed. At first, the feeding plate jams the card block, the operator starts the mud pump first, and then pulls the pull rod downward, so that the second fixed block drives the guide rod to move forward, and the guide rod will drive the push frame to move forward when moving forward, and the push frame will pull the first magnetic block forward through the elastic rope. Since the feeding plate jams the card block, the elastic rope will enter a stretched state. At the same time, when driving the guide rod to move forward, the second fixed block will also drive the edge block to move forward through the casing and contact the limit plate. The limit plate then squeezes the edge block to move left and fit into the edge groove on the sleeve rod. The second return spring is compressed, and the edge block The block moves to the left and also drives the winding rope to move to the left. The second magnetic block on the winding rope will be magnetically attracted to the first magnetic block. At this time, the elastic rope has been stretched to the limit. The card block will push the rubber rod to deform under the extrusion force of the feeding plate. At this time, the card block will separate from the feeding plate, and the elastic rope will reset. Under the action of the elastic rope resetting, the first magnetic block will pull the winding rope to rotate through the second magnetic block. The winding rope will drive the sleeve rod to rotate through the edge block. At this time, the brush cylinder is in contact with the pressure plate, and the rubber block is in the open and closed state. The rotation of the sleeve rod automatically rotates the brush cylinder, so that The outside of the brush barrel is stained with putty, and then the operator loosens the pull rod. The second fixed block will drive the edge block to move backward through the sleeve and disengage from the limit plate. The second reset spring will reset, and the edge block will drive the winding rope to move to the right under the action of the second reset spring. At the same time, the second fixed block will also drive the push frame to move backward through the guide rod to release the elastic rope. The backward movement of the push frame will also push the first magnetic block to move backward. At this time, the brush barrel has been separated from the pressure plate, and the rubber block is in a closed state. The operator can use the brush barrel to paint the wall with putty, so as to first fix the brush barrel The first magnetic block will then be moved backwards by the second magnetic block, and the first magnetic block will be driven by the rubber rod to move the clamping block backwards and away from the feeding plate, and the rubber rod will be reset, and the clamping block will move downwards and reset under the action of the rubber rod reset, and the first magnetic block will continue to move backwards and will be stuck by the first pressing block, and the second magnetic block will then be separated from the first magnetic block, so as to prepare for the next quantitative putty painting operation.

2. A construction site putty powder painting device according to claim 1, characterized in that: The invention also comprises a protection mechanism (7) for protecting an operator, the protection mechanism (7) comprising a protection plate (71), a torsion spring (72) and a second pressure block (73), a protection plate (71) being rotatably provided in the middle of the conveying pipe (1), two torsion springs (72) being symmetrically arranged between the protection plate (71) and the conveying pipe (1), and a second pressure block (73) for driving the protection plate (71) to rotate being sleeved on the outer side of the lower part of the pull rope (42).

3. A construction site putty powder painting device according to claim 2, characterized in that: A stabilizing block is connected to the right side of the middle of the delivery pipe (1), and a pull rope (42) is slidably inserted through the stabilizing block.

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