A coating spraying device for building construction and a construction process thereof

Abstract

The application belongs to the technical field of building construction, and discloses a coating spraying device for building construction, which comprises a moving base, a material containing tank arranged on the moving base and a material conveying pump connected with the material containing tank, one side of the moving base is provided with a moving table, a receiving groove is formed in the moving base, and the moving table can be positioned in the moving base through the receiving groove, a first supporting assembly and a spraying assembly are arranged on the moving table, and a second supporting assembly is arranged on the moving base. Through the arrangement of the moving table, the receiving groove, the first supporting assembly and the spraying assembly, when a person operates the spraying gun, the spraying gun does not need to be disassembled, and the person only needs to directly take the spraying gun to swing and spray on the sliding frame. When the nozzle of the spraying gun swings left and right, the spraying gun drives the sliding frame and the L-shaped plate to rotate on the moving table, so that the normal use of the spraying gun is ensured, and the person is more relaxed and labor-saving when using the spraying gun, and the person avoids holding the spraying gun all the time.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of building construction, and particularly relates to a paint spraying device for building construction and a construction process thereof. BACKGROUND

[0002] Building engineering refers to an engineering entity formed by the installation activities of lines, pipelines and equipment matched with the construction of various house buildings and their auxiliary facilities, wherein the house building refers to an engineering capable of forming an internal space and meeting the needs of people in production, residence, study and public activities, and the building engineering is the planning, investigation, design, construction, completion and other technical work and the completed engineering entity of the installation engineering of lines, pipelines and equipment matched with the new, reconstruction or expansion of house buildings and auxiliary structures, and the paint needs to be used for spraying the wall body during the construction of the building engineering.

[0003] According to the patent No. CN114086742A, a heat preservation paint spraying device for building construction is disclosed, which comprises a paint box and a brush roller, further comprises a paint extraction mechanism, a stirring mechanism and a blowing mechanism, the bottom of the paint box is fixedly connected with a power box, the inside of the power box is fixedly provided with a storage battery, the paint extraction mechanism is arranged on the left side of the paint box, and a liquid outlet is formed in the lower end of the left side of the paint box and communicates with the input end of the liquid pump in the paint extraction mechanism, the brush roller is rotatably arranged in the cover of the paint extraction mechanism through a rotating shaft, and the paint can be extracted and sprayed on the brush roller. The present application can directly use the brush roller to coat the heat preservation paint on the surface of the wall or the board, avoid the need to constantly dip the paint, reduce the working intensity of people, improve the working efficiency, and avoid the waste of paint and the pollution of the environment caused by the dripping of paint on the ground during the dipping of paint.

[0004] However, in the implementation process of the above-mentioned scheme, the personnel need to take down the handheld spraying gun and spray the wall body by holding it, since the personnel hold the spraying gun and the material conveying hose is dragged for a long time, the working staff is prone to arm soreness, the operation is more laborious, and thus the working efficiency of the working staff is reduced. SUMMARY

[0005] (I) Technical problems solved

[0006] To solve the problems in the above background art, the present application provides a paint spraying device for building construction and a construction process thereof, which has the advantages of more labor-saving operation of the spraying gun and reduction of the dragging of the material conveying hose.

[0007] (II) Technical solutions

[0008] In order to achieve the above object, the present application provides the following technical scheme: a paint spraying device for building construction, comprising a moving base, a material containing tank arranged on the moving base, and a material conveying pump connected with the material containing tank, one side of the moving base is provided with a moving table, a receiving groove is formed in the moving base, and the moving table can be positioned in the moving base through the receiving groove, a first supporting assembly and a spraying assembly are arranged on the moving table, and a second supporting assembly is arranged on the moving base;

[0009] The first supporting assembly comprises an L-shaped plate rotatably arranged on the moving table and a sliding frame slidably arranged at the top end of the L-shaped plate, first positioning mechanisms are arranged on the sliding frame and the L-shaped plate, and third positioning mechanisms are arranged on the L-shaped plate and the moving table.

[0010] The spraying assembly comprises a mounting plate hingedly arranged on the sliding frame and a spraying gun fixedly connected to the mounting plate, a material conveying hose is connected to the spraying gun, and the bottom end of the material conveying hose is connected to the output end of the material conveying pump.

[0011] The second supporting assembly comprises a first frame and a second frame fixedly connected to the moving base, and a supporting roller is movably connected between the first frame and the second frame, and the supporting roller is used for supporting the material conveying hose.

[0012] In the above technical scheme, preferably, second positioning mechanisms are arranged on the receiving groove and the moving table, and the second positioning mechanisms are used for positioning the moving table in the receiving groove.

[0013] In the above technical scheme, preferably, the second positioning mechanisms comprise first positioning holes formed in the surface of the moving table and first positioning blocks elastically arranged on the inner wall of the receiving groove, and the first positioning blocks correspond to the first positioning holes.

[0014] In the above technical scheme, preferably, steel ball wheels are arranged at the four corners of the bottom surface of the moving table and the moving base, and the steel ball wheels are slidably connected with the ground.

[0015] In the above technical scheme, preferably, the first supporting assembly further comprises a positioning shaft fixedly connected to the top end of the L-shaped plate, the positioning shaft is slidably arranged in the sliding frame, and the sliding frame can rotate on the surface of the positioning shaft.

[0016] In the above technical scheme, preferably, the first positioning mechanisms comprise second positioning grooves formed in the L-shaped plate and second positioning blocks elastically arranged at the right end of the sliding frame, and the second positioning blocks are matched with the second positioning grooves.

[0017] In the above technical scheme, preferably, the third positioning mechanisms comprise a slot formed in the moving table and a screw rod threadedly connected to the L-shaped plate, and the bottom end of the screw rod is matched with the slot.

[0018] In the technical scheme, preferably, the second supporting assembly further comprises a swing rod rotatably connected to the inner wall of the second frame and an electric push rod installed on the inner wall of the first frame, the supporting roller is rotatably connected to the middle part of the swing rod, and the telescopic end of the electric push rod is fixedly connected with a supporting seat, and one end of the supporting roller is placed on the supporting seat.

[0019] In the technical scheme, preferably, the inner wall of the supporting seat is rotatably provided with a plurality of guide rollers, the guide rollers are in contact with the supporting roller, and the surface of the supporting roller is sleeved with a sponge sleeve.

[0020] The application further provides a construction process of the paint spraying device for building construction, which comprises the following steps:

[0021] Step 1: the mobile station is pulled out from the storage groove, the mobile station is separated from the mobile seat, and then the paint is poured into the material container;

[0022] Step 2: the supporting roller is swung out from the second frame, the bottom end of the supporting roller is located directly above the supporting seat, and then the supporting seat can support the supporting roller under the operation of the electric push rod, so as to ensure that the supporting roller is horizontal between the first frame and the second frame, and also ensure that the supporting roller can rotate normally.

[0023] Step 3: the material conveying hose is placed on the supporting roller, then the screw rod is rotated, the bottom end of the screw rod is away from the insertion slot, so that the L-shaped plate can rotate on the mobile station, and then the sliding frame is swung, the bottom end of the sliding frame is away from the second positioning groove, so that the spraying gun can be operated flexibly.

[0024] Step 4: then, under the operation of the material conveying pump, the paint in the material container is conveyed into the spraying gun, the personnel can control the spraying gun to spray the building wall surface, the spraying gun is stably supported, and the spraying gun can also swing left and right, so that the personnel can operate more labor-saving and easily.

[0025] Step 5: after the spraying is completed, the bottom end of the sliding frame is swung to the second positioning groove, the second positioning block is clamped into the second positioning groove to position the sliding frame and the spraying gun, then the bottom end of the screw rod is rotated into the insertion slot to position the L-shaped plate, so as to fix the components on the mobile station.

[0026] Step 6: the operation of the electric push rod is controlled, the supporting seat is lowered, the supporting roller is automatically swung downward into the second frame for storage, so that the mobile station can be stored into the storage groove, and the material conveying hose is placed on the mobile seat.

[0027] Step 7: the mobile station is pushed into the storage groove, the mobile station is positioned in the mobile seat through the second positioning mechanism, so that the personnel only need to push the mobile seat to move, and the mobile station can be moved together.

[0028] (III) Beneficial Effects

[0029] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0030] 1. With the arrangement of the moving platform, storage slot, first support component, and spraying component, the present invention allows personnel to operate the spray gun without disassembling it. They can simply pick up the spray gun and swing it on the sliding frame for spraying. When the nozzle of the spray gun swings left and right, it causes the sliding frame and L-shaped plate to rotate on the moving platform, thus ensuring the normal use of the spray gun. It also makes it easier and less strenuous for personnel to use, avoiding the need for personnel to hold the spray gun continuously, and allowing the spray gun to be used with the support of the sliding frame and L-shaped plate.

[0031] 2. With the second support component, the present invention can swing the support roller out from the second frame and position the bottom end of the support roller directly above the support base. Then, by operating the electric push rod, the support base can support the support roller to ensure that the support roller is horizontal between the first and second frames and to ensure that the support roller can rotate normally, supporting and guiding the material conveying hose, thereby reducing the drag force of the material conveying hose on the operator and making it easier for the operator to operate the spray gun. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of the present invention;

[0033] Figure 2 This is a schematic diagram of the rear view structure of the present invention;

[0034] Figure 3 This is a side sectional view of the present invention;

[0035] Figure 4 This is a partial top sectional view of the present invention;

[0036] Figure 5 For the present invention Figure 1 Enlarged schematic diagram of the structure at point A;

[0037] Figure 6 For the present invention Figure 3 Enlarged schematic diagram of the structure at point B;

[0038] Figure 7 For the present invention Figure 3 Enlarged schematic diagram of the structure at point C;

[0039] Figure 8 For the present invention Figure 4 An enlarged schematic diagram of the structure at point D.

[0040] In the diagram: 1. Movable seat; 2. Movable platform; 20. Storage slot; 21. First positioning hole; 22. First positioning block; 31. L-shaped plate; 32. Sliding frame; 33. Positioning shaft; 41. Spray gun; 42. Mounting plate; 43. Material conveying hose; 51. Second positioning block; 52. Second positioning groove; 61. Screw; 62. Slot; 7. Material pump; 8. Material tank; 91. First frame; 92. Second frame; 93. Support roller; 94. Swing rod; 95. Electric push rod; 96. Support seat. Detailed Implementation

[0041] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0042] like Figures 1 to 8 As shown, the present invention provides a paint spraying device for building construction, including a movable base 1, a material tank 8 disposed on the movable base 1 and a material pump 7 connected to the material tank 8. A movable platform 2 is disposed on one side of the movable base 1. A storage groove 20 is provided on the movable base 1, and the movable platform 2 can be positioned in the movable base 1 through the storage groove 20. When using the movable platform 2, it is only necessary to slide the movable platform 2 out of the storage groove 20. After use, the movable platform 2 is slid into the storage groove 20 and positioned in the movable base 1 for subsequent movement. A first support component and a spraying component are provided on the movable platform 2, and a second support component is provided on the movable base 1.

[0043] The first support assembly includes an L-shaped plate 31 rotatably mounted on the moving platform 2 and a sliding frame 32 slidably mounted on the top of the L-shaped plate 31, allowing the L-shaped plate 31 to rotate on the moving platform 2. The sliding frame 32 can slide and rotate on the top of the L-shaped plate 31, ensuring the flexibility of the sliding frame 32. A first positioning mechanism is provided on the sliding frame 32 and the L-shaped plate 31 to position the sliding frame 32 on the L-shaped plate 31, so as to ensure that the moving platform 2 can be moved after use and to prevent the sliding frame 32 from swinging randomly. A third positioning mechanism is provided on the L-shaped plate 31 and the moving platform 2 to limit the rotation between the L-shaped plate 31 and the moving platform 2, so as to ensure that the L-shaped plate 31 is stable on the moving platform 2 when the moving platform 2 is transporting and moving.

[0044] The spraying assembly comprises a mounting plate 42 hingedly connected to the sliding frame 32 and a spraying gun 41 fixedly connected to the mounting plate 42, and a feeding hose 43 is communicated with the spraying gun 41, and the bottom end of the feeding hose 43 is communicated with the output end of the feeding pump 7. Through the above structure, when a person operates the spraying gun 41, the spraying gun 41 can be operated on the sliding frame 32 without being taken down, and the spraying gun 41 can also normally spray the building wall during operation. When the nozzle of the spraying gun 41 swings up and down, the spraying gun 41 drives the sliding frame 32 to rotate and slide at the top end of the L-shaped plate 31, and when the nozzle of the spraying gun 41 swings left and right, the spraying gun 41 drives the sliding frame 32 and the L-shaped plate 31 to rotate on the moving base 2, so that the spraying gun 41 can be normally used, and the person using it is more relaxed and labor-saving, avoiding the person holding the spraying gun 41 all the time, so that the spraying gun 41 can be used under the support of the sliding frame 32 and the L-shaped plate 31;

[0045] The second supporting assembly comprises a first frame 91 and a second frame 92 fixedly connected to the moving base 1, and a supporting roller 93 movably connected between the first frame 91 and the second frame 92, and the supporting roller 93 is used for supporting the feeding hose 43. Through the above structure, the feeding hose 43 can be supported and guided, so as to reduce the dragging force of the feeding hose 43 on the person, and the person can better operate the spraying gun 41.

[0046] As shown in Figure 1 、 Figure 2 、 Figure 4 , the accommodation groove 20 and the moving base 2 are provided with a second positioning mechanism, which is used for positioning the moving base 2 in the accommodation groove 20, so that the moving base 2 can be stably in the moving base 1, and the moving base 2 and the moving base 1 are integrated.

[0047] As shown in Figure 1 、 Figure 2 、 Figure 4 、 Figure 7 、 Figure 8 , the second positioning mechanism comprises a first positioning hole 21 opened in the surface of the moving base 2 and a first positioning block 22 elastically arranged on the inner wall of the accommodation groove 20, and the first positioning block 22 corresponds to the first positioning hole 21. Through the above structure, when the moving base 2 is inserted into the accommodation groove 20, the first positioning block 22 is extruded into the first positioning hole 21, so as to position the moving base 2.

[0048] As shown in Figure 1 、 Figure 2 , the four corners of the bottom surface of the moving base 2 and the moving base 1 are slidably connected to the ground through steel ball wheels, so as to ensure that the moving base 2 and the moving base 1 can freely move.

[0049] As shown in Figure 6As shown, the first support assembly further comprises a positioning shaft 33 fixed at the top end of the L-shaped plate 31, the positioning shaft 33 is slidingly arranged in the sliding frame 32, and the sliding frame 32 can rotate on the surface of the positioning shaft 33, through the arrangement of the above structure, the sliding frame 32 can slide and swing left and right at the top end of the L-shaped plate 31, further realizing the operation flexibility of the spraying gun 41.

[0050] As shown in Figure 1 , Figure 2 , the first positioning mechanism comprises a second positioning groove 52 opened on the L-shaped plate 31 and a second positioning block 51 elastically arranged at the right end of the sliding frame 32, and the second positioning block 51 is matched with the second positioning groove 52, through the arrangement of the above structure, when the mobile station 2 is used, the bottom end of the sliding frame 32 is swung to the second positioning groove 52, that is, the second positioning block 51 is inserted into the second positioning groove 52, so that the sliding frame 32 is positioned and prevented from swinging randomly.

[0051] As shown in Figure 1 , Figure 2 , Figure 7 , the third positioning mechanism comprises a slot 62 opened on the mobile station 2 and a screw rod 61 threadedly connected on the L-shaped plate 31, and the bottom end of the screw rod 61 is matched with the slot 62, through the arrangement of the above structure, the rotation between the L-shaped plate 31 and the mobile station 2 is limited, so as to ensure that the L-shaped plate 31 is stably arranged on the mobile station 2 during conveying movement.

[0052] As shown in Figure 5 , the second support assembly further comprises a swing rod 94 rotationally connected to the inner wall of the second frame 92 and an electric push rod 95 mounted on the inner wall of the first frame 91, the support roller 93 is rotationally connected to the middle part of the swing rod 94, and the extension end of the electric push rod 95 is fixedly connected with a support seat 96, and one end of the support roller 93 is placed on the support seat 96, through the arrangement of the above structure, the operation of the electric push rod 95 is controlled, the support seat 96 is lowered, and the support roller 93 is automatically swung downward to be stored in the second frame 92, so as to facilitate the storage of the mobile station 2 in the storage groove 20, and the conveying hose 43 is placed on the mobile seat 1.

[0053] As shown in Figure 5 , the inner wall of the support seat 96 is rotationally provided with a plurality of guide rollers, and the guide rollers are in contact with the support roller 93, and the surface of the support roller 93 is sleeved with a sponge sleeve, through the arrangement of the above structure, the support seat 96 can rotate more stably, and the protection of the surface of the conveying hose 43 is also ensured, and the friction between the conveying hose 43 and the outside is reduced.

[0054] The present application also provides a construction process of the paint spraying device for building construction, comprising the following steps:

[0055] Step 1, the mobile station 2 from the slot 20 out, make mobile station 2 and mobile seat 1 is separated, then the paint infusion to the container 8;

[0056] Step 2, the support roller 93 from the second frame 92 out, and the bottom end of the support roller 93 is located in the support seat 96 directly above, then by the operation of the electric push rod 95, the support seat 96 can support the support roller 93, to ensure that the support roller 93 is horizontal between the first frame 91 and the second frame 92, and also ensure that the support roller 93 can rotate normally;

[0057] Step 3, the material conveying hose 43 is placed on the support roller 93, then rotate the screw 61, the bottom end of the screw 61 away from the slot 62, so that the L-shaped plate 31 rotates on the mobile station 2, and then swing the sliding frame 32, the bottom end of the sliding frame 32 away from the second positioning slot 52, so that the spraying gun 41 can be operated flexibly;

[0058] Step 4, then by the operation of the material pump 7, the paint in the container 8 is delivered to the spraying gun 41, and the personnel can control the spraying gun 41 to spray the building wall, so that the spraying gun 41 is stably supported, and the spraying gun 41 can also swing left and right, so that the personnel is more labor-saving and more relaxed when operating;

[0059] Step 5, after the spraying is completed, the bottom end of the sliding frame 32 is swung to the second positioning slot 52, and the second positioning block 51 is clamped into the second positioning slot 52 to position the sliding frame 32 and the spraying gun 41, then the bottom end of the screw 61 is rotated into the slot 62 to position the L-shaped plate 31, to ensure that the components on the mobile station 2 are fixed;

[0060] Step 6, control the operation of the electric push rod 95, so that the support seat 96 is lowered, that is, the support roller 93 is automatically swung downward into the second frame 92 for storage, so that the mobile station 2 is stored into the storage slot 20, and the material conveying hose 43 is placed on the mobile seat 1;

[0061] Step 7, push the mobile station 2 into the storage slot 20, so that the mobile station 2 is positioned in the mobile seat 1 by the second positioning mechanism, so that the personnel only needs to push the mobile seat 1 to move, that is, the mobile station 2 is moved together.

[0062] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the scope of the present application is not limited to these specific embodiments.

[0063] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A paint spraying device for construction, comprising a moving base (1), a paint tank (8) arranged on the moving base (1), and a paint delivery pump (7) connected to the paint tank (8), characterized in that: One side of the mobile seat (1) is provided with a mobile platform (2), the mobile seat (1) is provided with a receiving groove (20), and the mobile platform (2) can be positioned in the mobile seat (1) through the receiving groove (20), the mobile platform (2) is provided with a first supporting assembly and a spraying assembly, and the mobile seat (1) is provided with a second supporting assembly. The first supporting assembly comprises an L-shaped plate (31) rotatably arranged on the mobile platform (2) and a sliding frame (32) slidably arranged at the top end of the L-shaped plate (31), the sliding frame (32) and the L-shaped plate (31) are provided with a first positioning mechanism, and the L-shaped plate (31) and the mobile platform (2) are provided with a third positioning mechanism. The spraying assembly comprises a mounting plate (42) hingedly connected to the sliding frame (32) and a spraying gun (41) fixedly connected to the mounting plate (42), the spraying gun (41) is communicated with a feeding hose (43), and the bottom end of the feeding hose (43) is communicated with the output end of the feeding pump (7). The second supporting assembly comprises a first frame (91) and a second frame (92) fixedly connected to the mobile seat (1), and the first frame (91) and the second frame (92) are movably connected with a supporting roller (93), and the supporting roller (93) is used for supporting the feeding hose (43). The second supporting assembly further comprises a swing rod (94) rotatably connected to the inner wall of the second frame (92) and an electric push rod (95) mounted on the inner wall of the first frame (91), the supporting roller (93) is rotatably connected to the middle part of the swing rod (94), the telescopic end of the electric push rod (95) is fixedly connected with a supporting seat (96), one end of the supporting roller (93) is placed on the supporting seat (96), the inner wall of the supporting seat (96) is rotatably provided with a plurality of guide rollers, the guide rollers are in contact with the supporting roller (93), and the surface of the supporting roller (93) is provided with a sponge sleeve.

2. A paint spraying device for use in building construction according to claim 1, wherein: The receiving groove (20) and the mobile platform (2) are provided with a second positioning mechanism, and the second positioning mechanism is used for positioning the mobile platform (2) in the receiving groove (20).

3. A paint spraying device for use in building construction according to claim 2, wherein: The second positioning mechanism comprises a first positioning hole (21) formed in the surface of the mobile platform (2) and a first positioning block (22) elastically arranged on the inner wall of the receiving groove (20), and the first positioning block (22) corresponds to the first positioning hole (21).

4. The paint spraying device for building construction according to claim 1, characterized in that: The mobile platform (2) and the bottom surface of the mobile seat (1) are slidably connected with the ground through four steel ball wheels.

5. The paint spraying device for use in building construction according to claim 1, characterized in that: The first supporting assembly further comprises a positioning shaft (33) fixedly connected to the top end of the L-shaped plate (31), the positioning shaft (33) is slidably arranged in the sliding frame (32), and the sliding frame (32) can rotate on the surface of the positioning shaft (33).

6. The paint spraying device for use in building construction according to claim 1, characterized in that: The first positioning mechanism comprises a second positioning groove (52) formed in the L-shaped plate (31) and a second positioning block (51) elastically arranged at the right end of the sliding frame (32), and the second positioning block (51) is matched with the second positioning groove (52).

7. The paint spraying device for use in building construction according to claim 1, characterized in that: The third positioning mechanism comprises a slot (62) formed in the mobile platform (2) and a screw rod (61) threadedly connected to the L-shaped plate (31), and the bottom end of the screw rod (61) is matched with the slot (62).

8. The construction process of a paint spraying device for building construction according to any one of claims 1-7, characterized in that: The method comprises the following steps: Step 1, the mobile station (2) is extracted from the storage slot (20), the mobile station (2) is separated from the mobile seat (1), and then the paint is poured into the container (8); Step 2, the supporting roller (93) is swung out from the second frame (92), and the bottom end of the supporting roller (93) is located directly above the supporting seat (96), and then the supporting seat (96) can support the supporting roller (93) by the operation of the electric push rod (95), so that the supporting roller (93) is horizontal between the first frame (91) and the second frame (92), and the normal rotation of the supporting roller (93) is ensured; Step 3, the material conveying hose (43) is placed on the supporting roller (93), then the screw rod (61) is rotated, the bottom end of the screw rod (61) is away from the insertion slot (62), so that the L-shaped plate (31) rotates on the mobile station (2), then the sliding frame (32) is swung, the bottom end of the sliding frame (32) is away from the second positioning slot (52), so that the spraying gun (41) can be operated flexibly; Step 4, then the paint in the container (8) is conveyed to the spraying gun (41) by the operation of the material conveying pump (7), the personnel can control the spraying gun (41) to spray the building wall, the spraying gun (41) is stably supported, and the spraying gun (41) can also swing left and right, so that the personnel is more labor-saving and more relaxed when operating; Step 5, after the spraying is completed, the bottom end of the sliding frame (32) is swung to the second positioning slot (52), the second positioning block (51) is clamped into the second positioning slot (52) to position the sliding frame (32) and the spraying gun (41), then the bottom end of the screw rod (61) is rotated into the insertion slot (62) to position the L-shaped plate (31), so that the components on the mobile station (2) are fixed; Step 6, control the operation of the electric push rod (95), so that the supporting seat (96) is lowered, and the supporting roller (93) is automatically swung downward into the second frame (92) for storage, so that the mobile station (2) is stored in the storage slot (20), and the material conveying hose (43) is placed on the mobile seat (1); Step 7, push the mobile station (2) into the storage slot (20), so that the mobile station (2) is positioned in the mobile seat (1) by the second positioning mechanism, so that the personnel only needs to push the mobile seat (1) to move, and the mobile station (2) can be moved together.

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