A contoured space decorative application apparatus and method of use

CN120797933BActive Publication Date: 2026-08-11CHINA MCC17 GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-08-01
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

针对异型空间的装修,特别是深度较大的狭窄区域,一是作业人员无法进入,二是手工作业无法掌控施工质量,作业成品不美观,因此无法满足现有建筑装饰工程的施工需求

Benefits of technology

[0020]1. The irregular-shaped space decoration coating device and its usage method of the present invention use an air pump to draw air from the powerful suction cup to fix and move the fixed frame, which can smoothly send the device into the designated work area, replacing manual entry into irregular spaces and realizing the transformation of work from manual to mechanical operation. At the same time, by adjusting the air pressure in the powerful suction cup, the distance between the device's work outlet and the wall can be set, realizing the adjustment and conversion of different materials and different coating thicknesses.

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Abstract

This invention discloses a decorative coating device and its usage method for irregularly shaped spaces, comprising a fixed frame, a powerful suction cup, an air branch pipe, an air duct, an air pump, a square slider, a sliding fixing block, a main control handle, a working chamber, an access wire, a push button, a pull-back button, a conductive wire, an electromagnetic coil, a push plate, a material inlet, a torque hinge, a sealing plate, an outlet straight plate, an outlet inclined plate, an outlet side plate, a torque spring, and a spring steel rope. The fixed frame is secured to the wall surface to be coated using the powerful suction cup. The working chamber is directionally moved by the square slider, which is engaged within the guide groove of the frame. When the power is connected, decorative coating material is poured into the working chamber through the material inlet. Pressing the push button causes the push plate to compress the material, forcing it out of the working chamber from the outlet, thus completing the coating process. The device can automatically complete the coating work in narrow, irregularly shaped areas, facilitating operation, improving construction efficiency, producing aesthetically pleasing, and highly reliable finished products.
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Description

Technical Field

[0001] This invention relates to the field of decorative and finishing technology for irregularly shaped spaces in building engineering, specifically to a decorative coating device and its application method for irregularly shaped spaces. Background Technology

[0002] Architectural decoration is the process of treating the interior and exterior surfaces and spaces of a building with decorative materials or ornaments to protect its main structure, improve its physical performance, functionality, and aesthetics. Architectural decoration is an indispensable part of people's lives. With the development of modern architectural concepts, architectural works are no longer limited to traditional square and regular buildings. More irregularly shaped buildings, such as curved, layered, and curved surfaces, are flourishing. While novel and beautiful shapes bring aesthetic challenges, they also present construction difficulties. For the decoration of irregularly shaped spaces, especially deep and narrow areas, two problems arise: firstly, workers cannot enter; secondly, manual work makes it difficult to control the quality of construction, resulting in unattractive finished products. Therefore, it cannot meet the construction requirements of current architectural decoration projects. Summary of the Invention

[0003] The purpose of this invention is to provide a decorative coating device and method for irregular spaces, which allows the coating tool to be inserted into a narrow area and the operation to be carried out using mechanical equipment. This facilitates operation by personnel, improves construction efficiency, and ensures the quality of the finished product, thereby overcoming the shortcomings of the prior art.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] A non-standard spatial decoration coating device includes a fixed frame and a working chamber. The working chamber is secured within a guide groove of the frame by a square slider. A sliding fixing block, fixedly connected to the square slider, is located within the guide groove and is in close contact with the upper and lower side walls of the fixed frame to ensure the stability of the working chamber and the square slider during movement. A master control handle is located on one side of the working chamber, which is used to move the working chamber and switch between working and non-working areas. The master control handle has an advance button and a pull-back button, which are connected to electromagnetic coils symmetrically arranged inside the working chamber via wires and conductive wires. One side of the electromagnetic coil is fixed to the inner wall of the working chamber, while the other side... The coil is fixed to a push plate inside the working chamber. The push plate and the electromagnetic coil are connected by wires, a push button, a pull button, and conductive wires to achieve the conversion of push and pull forces, thereby ensuring the push plate moves forward and backward within the working chamber. The working chamber also has a material inlet and a material outlet on one side. Below the material inlet is a sealing plate and a torque hinge. Relevant work materials enter the working chamber through the material inlet, and the torque hinge and sealing plate prevent spillage under the force of the push. The material outlet consists of an outlet straight plate, an outlet inclined plate, an outlet side plate, a spring steel rope, and a torque spring. When the outlet straight plate rotates, the torque spring and spring steel rope pull the outlet inclined plate to rotate, allowing the coating material to exit the chamber and applying pressure for the coating operation.

[0006] Furthermore, the fixed frame is equipped with four powerful suction cups on its side, and the fixed frame is equipped with four air branch pipes connected to the powerful suction cups inside. The other end of the air branch pipes is connected to an air pump through an external air pipe. When it is necessary to perform operations in narrow areas or irregular spaces, the fixed frame can be placed in the corresponding area by operating the air pump.

[0007] Furthermore, the working chamber achieves directional movement on the fixed frame by using a square slider that is engaged with the frame guide groove, and the size of the square slider matches the size of the frame guide groove.

[0008] Furthermore, the bottom of the work chamber is provided with a cleaning hole.

[0009] Furthermore, the push button is connected to the electromagnetic coil in the positive direction via the conductive wire above, so that the two sets of electromagnetic coils generate a pushing force after the power is turned on; the pull button is connected to the electromagnetic coil in the negative direction, so that the two sets of electromagnetic coils generate a pulling force after the power is turned on.

[0010] Furthermore, the sealing plate can only rotate downwards under the action of the torque hinge, and cannot rotate upwards.

[0011] Furthermore, the outlet side plate of the material outlet is fixed, and the outlet straight plate and outlet inclined plate are connected together by three torque springs and spring steel ropes. When the outlet straight plate is pushed open by the material, the torque spring connected to it rotates. At this time, the torque spring on the other side of the outlet side plate is pulled to rotate through the spring steel rope, and then the torque spring at the outlet inclined plate is driven to rotate through the spring steel rope. The outlet inclined plate also rotates, and the bent end of the outlet inclined plate applies a squeezing force to the material, spreading the material onto the wall. At the same time, under the movement of the whole device, the bent end smooths the material.

[0012] This invention provides another technical solution: a method for using a decorative coating device for irregularly shaped spaces, comprising the following steps:

[0013] S1: Locate the work location, position the entire equipment in the work location, and place the fixed frame and strong suction cup in the work area. Apply appropriate pressure to ensure that the strong suction cup is firmly attached to the wall. Then turn on the air pump to extract the gas from the strong suction cup, ensuring that the equipment is attached to the wall and will not fall off. Adjust the pressure according to the requirements of different materials.

[0014] S2: Pour the material into the work chamber from the material inlet. After observing that the material quantity meets the work requirements from the material inlet, ensure that the sealing plate returns to its original position under the action of the torque hinge to seal the inlet.

[0015] S3: After the materials are installed, push the work chamber to the designated work area using the main control handle, and the material outlet will start normal operation from the application work area;

[0016] S4: Ensure the power cord is connected, press the push button to allow current to flow forward through the electromagnetic coil via the conduction wire, generating thrust and slowly pushing the push plate to squeeze the material out of the material outlet. At this time, the outlet straight plate is lifted, and the outlet inclined plate is rotated by the spring steel rope and torque spring. The end bending plate applies a squeezing force to the flowing material, pressing it against the wall and smoothing the material surface at the same time. When the material flows out, pull the main control handle to move it slowly, and operate the equipment to slowly apply the material to the working surface.

[0017] S5: After the material in the working chamber has been squeezed, press the pull-back button to generate a magnetic force from the electromagnetic coil and pull the push plate back to its original position; at this time, open the bottom cleaning hole to allow the residual material in the working chamber to flow out, close the cleaning hole, and add material again according to S2; continue the operation in S4;

[0018] S6: When the working surface along the length of the fixed frame is completed, air is pumped into the powerful suction cup through the air pump so that the equipment can be removed. At this time, the second working surface is selected, and S1-S5 are repeated for the operation.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. The irregular-shaped space decoration coating device and its usage method of the present invention use an air pump to draw air from the powerful suction cup to fix and move the fixed frame, which can smoothly send the device into the designated work area, replacing manual entry into irregular spaces and realizing the transformation of work from manual to mechanical operation. At the same time, by adjusting the air pressure in the powerful suction cup, the distance between the device's work outlet and the wall can be set, realizing the adjustment and conversion of different materials and different coating thicknesses.

[0021] 2. The irregular-shaped space decoration coating device and its usage method of the present invention utilize the mutual pushing and pulling forces of electromagnetic coils to automatically push the material out of the chamber. Simultaneously, the interaction of the material outlet torque spring and spring steel rope pulls the outlet straight plate and outlet inclined plate to exert force on the material, using pressure to coat the material onto the wall. Furthermore, the bending of the tail end of the outlet inclined plate achieves the smoothing of the material surface, meeting the conditions for mechanized construction and realizing the automation of the operation process.

[0022] 3. The irregular space decoration coating equipment and usage method of the present invention can be disassembled and replaced as a whole, and the equipment can also be adjusted according to different needs and different materials (mortar, putty, etc.). It has the functions of being reusable, repairable, and relocatable, and has a wide range of application prospects. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the coating device of the present invention;

[0024] Figure 2 This is a schematic diagram of the connection structure between the fixed frame and the air passage of the present invention;

[0025] Figure 3 This is a schematic diagram of the fixed frame structure of the present invention;

[0026] Figure 4 This is a schematic diagram of the suction cup tubing connection of the present invention;

[0027] Figure 5 This is a schematic diagram of the working chamber structure of the present invention;

[0028] Figure 6 This is a diagram showing the non-working state of the material outlet of this invention;

[0029] Figure 7 This is a diagram showing the working time status of the material export process according to the present invention.

[0030] In the diagram: 1. Fixed frame; 2. Powerful suction cup; 3. Air branch pipe; 4. Air duct; 5. Air pump; 6. Frame guide groove; 7. Sliding fixed block; 8. Square slider; 9. Push button; 10. Pull-back button; 11. Connecting wire; 12. Conducting wire; 13. Electromagnetic coil; 14. Push plate; 15. Material inlet; 16. Material outlet; 17. Sealing plate; 18. Torque hinge; 19. Outlet straight plate; 20. Outlet inclined plate; 21. Outlet side plate; 22. Spring steel rope; 23. Torque spring; 24. Working chamber; 25. Main control handle; 26. Cleaning hole. Detailed Implementation

[0031] 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.

[0032] Please see Figure 1-7 This invention provides a non-standard space decoration coating device, comprising a device fixing system, a movement system, an electromagnetic propulsion and pull-back system, and a material output system. The device fixing system includes a fixing frame 1, a powerful suction cup 2, an air branch duct 3, an air duct 4, and an air pump 5. The movement system includes a square slider 8, a sliding fixing block 7, a main control handle 25, and a working chamber 24. The electromagnetic propulsion and pull-back system includes an input wire 11, a propulsion button 9, a pull-back button 10, a conduction wire 12, an electromagnetic coil 13, and a push plate 14. The material output system includes a material inlet 15, a torque hinge 18, a sealing plate 17, an outlet straight plate 19, an outlet inclined plate 20, an outlet side plate 21, a torque spring 23, and a spring steel rope 22. The fixing frame 1 is fixed to the wall surface to be coated using the powerful suction cup 2. The working chamber 24 is directionally moved by the square slider 8 being engaged within the frame guide groove 6. When the power is turned on, the decorative coating material is poured into the working chamber 24 through the material inlet 15. Press the push button 9, and the push plate 14 will squeeze the material out of the work chamber 24 from the outlet, realizing the application of the material. The whole can complete the corresponding work in narrow and irregularly shaped areas.

[0033] Specifically, the work chamber 24 is secured in the frame guide groove 6 by a square slider 8. The frame guide groove 6 is provided with a sliding fixing block 7 that is fixedly connected to the square slider 8. The sliding fixing block 7 is in close contact with the upper and lower side walls of the fixed frame 1 to ensure the stability of the work chamber 24 and the square slider 8 when moving.

[0034] The work chamber 24 has a central control handle 25 on one side. Pushing and pulling the central control handle 25 allows for movement of the work chamber 24 and switching between work and non-work areas. The central control handle 25 has a push button 9 and a pull button 10. These buttons are connected to electromagnetic coils 13 symmetrically arranged inside the work chamber 24 via connecting wires 11 and conducting wires 12. One electromagnetic coil 13 is fixed to the inner wall of the work chamber 24, while the other is fixed to a push plate 14 inside the work chamber 24. The push plate 14 and the electromagnetic coils 13 are connected via connecting wires 11, push button 9, pull button 10, and conducting wires 12 to switch between pushing and pulling forces, ensuring the push plate 14 moves forward and backward within the work chamber 24. A material inlet 15 and a material outlet 16 are also provided on one side of the 4. A sealing plate 17 and a torque hinge 18 are provided below the material inlet 15. The relevant work materials enter the work chamber 24 through the material inlet 15, and the torque hinge 18 and the sealing plate 17 prevent the material from overflowing under the action of thrust. The sealing plate 17 can only rotate downward under the action of the torque hinge 18 and cannot rotate upward. The material outlet 16 is composed of an outlet straight plate 19, an outlet inclined plate 20, an outlet side plate 21, a spring steel rope 22 and a torque spring 23. When the outlet straight plate 19 rotates, the torque spring 23 and the spring steel rope 22 pull the outlet inclined plate 20 to rotate, so that the coating material is discharged from the chamber and a certain pressure is applied for the coating operation. A cleaning hole 26 is provided at the bottom of the work chamber 24 to facilitate the cleaning of excess material.

[0035] In the above embodiment, the fixed frame 1 of the present invention is equipped with four powerful suction cups 2 on its side. The fixed frame 1 has four air branch pipes 3 connected to the powerful suction cups 2 inside. The other end of each air branch pipe 3 is connected to an air pump 5 via an external air pipe 4. When working in a narrow area or irregularly shaped space, the fixed frame 1 is placed in the corresponding area by operating the air pump 5. Specifically, when working in a narrow area or irregularly shaped space, the fixed frame 1 is placed in the corresponding area, and the air pump 5 is operated to draw air from inside the powerful suction cups 2, causing the fixed frame 1 to adhere tightly to the working wall. After the work is completed, air is pumped into the powerful suction cups 2 by the air pump 5, allowing the device to be removed.

[0036] In the above embodiments, the square slider 8 of the present invention is engaged with the skeleton guide groove 6 to realize the directional movement of the working chamber 24 on the fixed skeleton 1. The size of the square slider 8 matches the size of the skeleton guide groove 6, avoiding twisting and misalignment during the sliding process. At the same time, the upper and lower ends of the sliding fixing block 7 on one side of the square slider 8 are engaged with the upper and lower outer walls of the fixed skeleton 1, avoiding unnecessary movement of the square slider 8 perpendicular to the fixed skeleton 1.

[0037] In the above embodiments, the push button 9 of the present invention is positively connected to the electromagnetic coil 13 through the upper conductive wire 12, and after the power is turned on, the two sets of electromagnetic coils 13 generate a pushing force; the pull button 10 is negatively connected to the electromagnetic coil 13, and after the power is turned on, the two sets of electromagnetic coils 13 generate a pulling force.

[0038] like Figure 6-7 As shown, in this embodiment of the invention, the outlet side plate 21 of the material outlet 16 is fixed, and the outlet straight plate 19 and the outlet inclined plate 20 are connected together by three torque springs 23 and spring steel ropes 22. When the outlet straight plate 19 is pushed open by the material, the torque spring 23 connected to it rotates. At this time, the torque spring 23 on the other side of the outlet side plate 21 is pulled to rotate by the spring steel rope 22, and then the torque spring 23 at the outlet inclined plate 20 is driven to rotate by the spring steel rope 22. The outlet inclined plate 20 also rotates, and the bent end of the outlet inclined plate 20 applies a squeezing force to the material, spreading the material onto the wall. At the same time, under the movement of the whole device, the bent end smooths the material.

[0039] To further explain the above embodiments, the present invention also provides a method for using an irregularly shaped space decoration coating device, comprising the following steps:

[0040] S1: Locate the work position, position the entire equipment in the work position, and place the fixed frame 1 and the strong suction cup 2 in the work area. Apply appropriate pressure to ensure that the strong suction cup 2 is firmly attached to the wall. Then turn on the air pump 5 to extract the gas from the strong suction cup 2, ensuring that the equipment is attached to the wall and does not loosen or fall. Adjust the pressure according to the requirements of different materials.

[0041] S2: Pour the material into the work chamber 24 from the material inlet 15. After observing that the material meets the work quantity from the material inlet 15, ensure that the sealing plate 17 returns to its original position under the action of the torque hinge 18 to seal the inlet.

[0042] S3: After the materials are installed, push the work chamber 24 to the designated work area through the main control handle 25, and the material outlet 16 will start normal operation from the coating work area;

[0043] S4: Ensure that the connection wire 11 is powered on, press the push button 9 to allow the current to flow in the forward direction through the conduction wire 12 and the electromagnetic coil 13, generating a thrust, slowly pushing the push plate 14, squeezing the material out from the material outlet 16. At this time, the outlet straight plate 19 is lifted, and the outlet inclined plate 20 is rotated by the spring steel rope 22 and the torque spring 23. The end bending plate gives the flowing material a squeezing force, pressing it against the wall, and at the same time scraping the material surface. When the material flows out, pull the main control handle 25 to move it slowly, and operate the equipment to slowly apply the material to the working surface.

[0044] S5: After the material in the working chamber 24 has been squeezed, press the pull-back button 10 to generate a suction force in the electromagnetic coil 13, and pull the push plate 14 back to its original position; at this time, open the bottom cleaning hole 26 to let the residual material in the working chamber 24 flow out, close the cleaning hole 26, add material again according to S2; continue the operation in S4.

[0045] S6: When the working surface along the length of the fixed frame 1 is completed, air is supplied to the powerful suction cup 2 by the air pump 5 so that the equipment can be removed. At this time, the second working surface is selected, and S1-S5 are repeated for the operation.

[0046] In summary, the present invention provides a decorative coating device and method for irregular spaces, which can accurately locate the work position in irregular spaces, extend the coating tool into the narrow area, and use mechanical equipment to carry out the work automatically. It is convenient for personnel to operate, improves construction efficiency, and produces beautiful, efficient and reliable finished products.

[0047] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A decorative coating device for irregularly shaped spaces, characterized in that, The system includes a fixed frame (1) and a working chamber (24). The working chamber (24) is secured in the frame guide groove (6) by a square slider (8). The frame guide groove (6) is provided with a sliding fixing block (7) fixedly connected to the square slider (8). The sliding fixing block (7) is in close contact with the upper and lower side walls of the fixed frame (1) to ensure the stability of the working chamber (24) and the square slider (8) during movement. A master control handle (25) is provided on one side of the working chamber (24). The master control handle (25) is used to realize the movement of the working chamber (24) and the square slider (8) during movement. The movement of the work chamber (24) and the switching between work and non-work areas; the main control handle (25) is equipped with a push button (9) and a pull button (10). The push button (9) and the pull button (10) are connected to electromagnetic coils (13) arranged symmetrically inside the work chamber (24) via a connecting wire (11) and a conducting wire (12). The electromagnetic coil (13) on one side is fixed to the inner wall of the work chamber (24), and the electromagnetic coil (13) on the other side is fixed to the push button inside the work chamber (24). On the plate (14), the push plate (14) and the electromagnetic coil (13) are connected by a wire (11), a push button (9), a pull-back button (10), and a conduction wire (12) to realize the conversion of push and pull forces, thereby ensuring the push plate (14) is pushed and pulled back in the working chamber (24); the working chamber (24) is also provided with a material inlet (15) and a material outlet (16) on one side. A sealing plate (17) and a torque hinge (18) are provided below the material inlet (15). The relevant working materials are passed through the material inlet. (15) Enter the working chamber (24) and prevent the material from overflowing under the action of thrust through the torque hinge (18) and the sealing plate (17); the material outlet (16) is composed of an outlet straight plate (19), an outlet inclined plate (20), an outlet side plate (21), a spring steel rope (22) and a torque spring (23). When the outlet straight plate (19) rotates, the torque spring (23) and the spring steel rope (22) pull the outlet inclined plate (20) to rotate, so that the coating material is discharged from the chamber and a certain pressure is applied for the coating operation.

2. The irregular-shaped space decoration coating device as described in claim 1, characterized in that: The fixed frame (1) is equipped with four powerful suction cups (2) on its side. The fixed frame (1) is equipped with four air branch pipes (3) connected to the powerful suction cups (2) inside. The other end of the air branch pipes (3) is connected to the air pump (5) through the external air pipe (4). When it is necessary to carry out narrow area or irregular space operation, the fixed frame (1) is placed in the corresponding area by operating the air pump (5).

3. The irregular-shaped space decoration coating device as described in claim 1, characterized in that: The working chamber (24) moves directionally on the fixed frame (1) by means of a square slider (8) that is engaged on the frame guide groove (6). The size of the square slider (8) matches the size of the frame guide groove (6).

4. The irregular-shaped space decoration coating device as described in claim 1, characterized in that: The bottom of the work chamber (24) is provided with a cleaning hole (26).

5. The irregular-shaped space decoration coating device as described in claim 1, characterized in that: The push button (9) is positively connected to the electromagnetic coil (13) through the upper conductive wire (12), and after the power is turned on, the two sets of electromagnetic coils (13) generate a pushing force; the pull button (10) is negatively connected to the electromagnetic coil (13), and after the power is turned on, the two sets of electromagnetic coils (13) generate a pulling force.

6. The irregular-shaped space decoration coating device as described in claim 1, characterized in that: The sealing plate (17) can only rotate downward under the action of the torque hinge (18), and cannot rotate upward.

7. The irregular-shaped space decoration coating device as described in claim 1, characterized in that: The outlet side plate (21) of the material outlet (16) is fixed. The outlet straight plate (19) and the outlet inclined plate (20) are connected together by three torque springs (23) and spring steel ropes (22). When the outlet straight plate (19) is pushed open by the material, the torque spring (23) connected to it rotates. At this time, the torque spring (23) on the other side of the outlet side plate (21) is pulled to rotate by the spring steel rope (22). Then, the torque spring (23) at the outlet inclined plate (20) is driven to rotate by the spring steel rope (22). The outlet inclined plate (20) also rotates. The bent end of the outlet inclined plate (20) gives the material a squeezing force and applies the material to the wall. At the same time, under the movement of the whole device, the bent end smooths the material.

8. A method of using the irregular-shaped space decoration coating device as described in claim 1, characterized in that: Includes the following steps: S1: Locate the work location, position the entire equipment in the work location, and place the fixed frame (1) and the powerful suction cup (2) in the work area. Squeeze appropriately to ensure that the powerful suction cup (2) is firmly attached to the wall. Then turn on the air pump (5) to extract the gas inside the powerful suction cup (2) to ensure that the equipment is attached to the wall and does not fall off. Adjust the pressure according to the requirements of different materials. S2: Pour the material into the work chamber (24) from the material inlet (15). After observing that the material meets the work quantity from the material inlet (15), ensure that the sealing plate (17) returns to its original position under the action of the torque hinge (18) to seal the inlet. S3: After the materials are installed, push the work chamber (24) to the designated work area through the main control handle (25), and the material outlet (16) starts normal operation from the application work area; S4: Ensure that the power supply wire (11) is powered on, press the push button (9) to make the current flow through the conduction wire (12) in the positive direction through the electromagnetic coil (13) to generate thrust, slowly push the push plate (14) to squeeze the material out from the material outlet (16). At this time, the outlet straight plate (19) is lifted up, and the outlet inclined plate (20) is rotated by the spring steel rope (22) and torque spring (23). The end bending plate gives the flowing material a squeezing force to press it against the wall and at the same time scrapes the material surface. When the material flows out, pull the main control handle (25) to move slowly and operate the equipment to slowly apply the material to the working surface. S5: After the material in the working chamber (24) is squeezed, press the pull-back button (10) to make the electromagnetic coil (13) generate a suction force and pull the push plate (14) back to the original position; at this time, open the bottom cleaning hole (26) to let the residual material in the working chamber (24) flow out, close the cleaning hole (26), add material again according to S2; continue the operation in S4; S6: When the working surface in the length direction of the fixed frame (1) is completed, air is sent to the powerful suction cup (2) through the air pump (5) so that the equipment can be removed. At this time, the second working surface is selected, and S1-S5 are repeated for the operation.

Citation Information

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