Anti-crack enhanced thermal insulation finishing mortar spraying equipment

Abstract

The utility model provides an anti -crack reinforced insulation finishing mortar spraying equipment, including parallelly arranged air pipe and feeding pipe, is fixed spacing through the connecting plate between air pipe and feeding pipe, is equipped with handheld protective sheath and control panel on air pipe, is equipped with high -pressure fan in the rear end of air pipe, is equipped with nozzle in the front end of air pipe, be equipped with a screw conveyor in feeding pipe, the motor of screw conveyor is located in the front end of feeding pipe, is equipped with the material conveying channel between feeding pipe and nozzle, is equipped with auxiliary hose in the rear end of feeding pipe, is equipped with counterweight pipe in the rear end of auxiliary hose, the utility model discloses adopts high -pressure airflow auxiliary spraying, replaces traditional manual smearing, has realized mechanization continuous operation, and the coating is even dense, and the one forming has realized, has improved construction efficiency greatly, and effectively avoided the problem of the uneven thickness, hollowing etc. caused by improper manual operation, guarantees the overall quality of insulation finishing layer.

Description

Technical Field

[0001] This utility model belongs to the technical field of thermal insulation mortar spraying equipment, specifically relating to a crack-resistant and enhanced thermal insulation plastering mortar spraying equipment. Background Technology

[0002] Building energy conservation is a core trend in the global construction industry today. As a key technology for reducing building energy consumption, the construction quality of external wall insulation systems directly determines the building's insulation effect, safety, and durability. Crack-resistant reinforced insulation plaster is an important component of external wall insulation systems. It not only provides insulation but, more importantly, protects the insulation substrate (such as EPS boards, XPS boards, etc.) and provides a smooth, strong, and crack-resistant finishing substrate, which is crucial for the long-term stability of the entire system.

[0003] Currently, the application of this type of thermal insulation plastering mortar still largely relies on traditional manual application techniques. During application, workers use trowels to manually apply the mortar to the wall surface. This process has several inherent drawbacks: 1. It is labor-intensive and inefficient, entirely dependent on manual labor, resulting in slow construction speed and difficulty meeting the time requirements of large-scale modern construction projects; 2. It leads to significant material waste, as manual application easily causes material spillage and excessive mortar on the ground, resulting in low material utilization; 3. The coating has poor uniformity and unstable quality. The worker's skill level, proficiency, and physical condition directly affect the thickness and density of the coating, easily leading to uneven thickness, hollow areas, and poor adhesion, creating potential problems for later cracking and peeling. This is especially true for crack-resistant reinforced mortars, which often contain reinforcing components such as fibers. Manual application makes it difficult to ensure the fibers are evenly distributed in the mortar, thus weakening its crack resistance; 4. It is difficult to guarantee adhesion to the substrate. The pressure applied manually is low and uneven, making it difficult for the mortar to fully embed into the gaps in the insulation board or the micropores in the wall, affecting the bonding strength at the interface. Utility Model Content

[0004] This utility model provides a crack-resistant and enhanced thermal insulation plastering mortar spraying equipment, which adopts high-pressure airflow-assisted spraying to replace traditional manual plastering and realize mechanized continuous operation; the spraying speed is adjustable, the coating is uniform and dense, and it is formed in one step, which greatly improves the construction efficiency and effectively avoids problems such as uneven thickness and hollowing caused by improper manual operation, thus ensuring the overall quality of the thermal insulation plastering layer.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: A crack-resistant and reinforced thermal insulation mortar spraying device includes a parallel air duct and a feeding pipe, which are fixed and limited by a connecting plate. The air duct is equipped with a hand-held protective sleeve and a control panel. A high-pressure fan is located at the rear end of the air duct, and a nozzle is located at the front end of the air duct. A screw conveyor is installed inside the feeding pipe, with the motor of the screw conveyor located at the front end of the feeding pipe. A material conveying channel is provided between the feeding pipe and the nozzle. An auxiliary hose is located at the rear end of the feeding pipe, and a counterweight pipe is located at the rear end of the auxiliary hose.

[0006] The feeding pipe and the auxiliary hose are connected by a threaded detachable connection structure. A screw pump is installed inside the counterweight pipe of the auxiliary hose. The screw pump can increase the feeding efficiency of the auxiliary hose. The control line of the screw pump is connected to the control panel and is fixed to the auxiliary hose by a buckle.

[0007] The nozzle is equipped with a valve, which is located on the front side of the material conveying channel.

[0008] A pressure relief valve is installed at the front of the air duct.

[0009] The inner cavity of the duct is an inner circular structure that is narrow at the front and wide at the back.

[0010] The inner circular structure of the air duct is equipped with spiral guide vanes.

[0011] The nozzle is equipped with a limiting material cover at its front end.

[0012] The beneficial effects of this utility model by adopting the above technical solution are as follows: the counterweight tube of the auxiliary hose is placed into the mixed thermal insulation mortar box, and the worker holds the air pipe and turns on the high-pressure fan and screw conveyor through the control panel. After the screw conveyor is activated, it generates negative pressure to transport the thermal insulation mortar through the auxiliary hose, feeding pipe and conveying channel to the nozzle. The high-speed wind generated by the high-pressure fan is concentrated through the air pipe and sprayed out from the nozzle to spray the thermal insulation mortar onto the wall. Compared with the existing manual troweling process, the spraying wind force can be adjusted, the feeding speed can be adjusted, the construction speed is fast, there is no material waste, the coating uniformity is good, the quality is stable, and it can be fully embedded in the gaps of the insulation board or the micropores of the wall, which improves the bonding strength of the interface. After the spraying equipment is used, place the counterweight tube of the auxiliary hose into the water bucket. Use water to rinse the inside of the entire spraying equipment. After rinsing, control the screw conveyor to turn over, close the valve on the nozzle, and blow the air in the air duct through the material conveying channel, feeding pipe, auxiliary hose and counterweight tube to quickly dry the inside of the spraying equipment and avoid damage caused by moisture inside the spraying equipment. The inner cavity of the duct is a circular structure that is narrow at the front and wide at the back. Spiral guide vanes are installed on the inner circular structure, which can effectively improve the air outlet speed and air outlet pressure of the duct, thereby improving the spraying efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ; Figure 3 This is a cross-sectional view of the present invention without the auxiliary hose and counterweight tube.

[0014] 1. Air duct, 2. Feeding pipe, 3. Connecting plate, 4. Hand protective sleeve, 5. Control panel, 6. High-pressure fan, 7. Nozzle, 8. Screw conveyor, 9. Material conveying channel, 10. Auxiliary hose, 11. Counterweight pipe, 12. Valve, 13. Spiral guide vane, 14. Limiting material collection cover. Detailed Implementation

[0015] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0017] like Figures 1-3 As shown, a crack-resistant and enhanced thermal insulation plastering mortar spraying equipment includes a parallel air duct 1 and a feeding pipe 2. The air duct 1 and the feeding pipe 2 are fixed and limited by a connecting plate 3. The air duct 1 is equipped with a hand protective sleeve 4 and a control panel 5. A high-pressure fan 6 is provided at the rear end of the air duct 1, and a nozzle 7 is provided at the front end of the air duct 1. A screw conveyor 8 is provided inside the feeding pipe 2. The motor of the screw conveyor 8 is located at the front end of the feeding pipe 2. A material conveying channel 9 is provided between the feeding pipe 2 and the nozzle 7. An auxiliary hose 10 is provided at the rear end of the feeding pipe 2, and a counterweight pipe 11 is provided at the rear end of the auxiliary hose 10.

[0018] The feed pipe 2 and the auxiliary hose 10 are connected by a threaded detachable connection structure. A screw pump is installed inside the counterweight pipe 11 of the auxiliary hose 10. The control line of the screw pump is connected to the control panel 5. The control line of the screw pump is fixed to the auxiliary hose 10 by a buckle.

[0019] A valve 12 is provided on the nozzle 7, and the valve 12 is located in front of the material conveying channel 9.

[0020] A pressure relief valve is installed at the front of duct 1.

[0021] The inner cavity of duct 1 has an inner circular structure that is narrow at the front and wide at the back.

[0022] The inner circular structure of the air duct 1 is provided with spiral guide vanes 13.

[0023] The nozzle 7 is provided with a limiting material shroud 14 at its front end. Example

[0024] Before construction, the auxiliary hose 10 at the rear end of the feeding pipe 2 and its counterweight pipe 11 at the end are first placed into the pre-mixed crack-resistant and reinforced thermal insulation plastering mortar hopper. The operator holds the hand protective sleeve 4 on the air duct 1 and aligns the equipment with the wall to be constructed. The equipment is started through the control panel 5. First, the high-pressure fan 6 is turned on, and high-speed airflow is drawn in from the rear end of the air duct 1. After being guided and accelerated by the narrow front and wide rear inner cavity and the spiral guide vanes 13, a stable high-speed airflow field is formed at the nozzle 7. Then, the screw conveyor 8 and its front motor are started. The spiral blades begin to rotate, generating negative pressure in the feeding pipe 2, drawing the mortar from the hopper into the feeding pipe 2 through the auxiliary hose 10. At the same time, the screw pump located in the counterweight pipe 11 starts synchronously, providing auxiliary power for mortar conveying to ensure... High-viscosity thermal insulation mortar can be continuously and stably delivered to the front end of the feeding pipe 2. The thermal insulation mortar reaches the nozzle 7 through the conveying channel 9 and meets the high-speed airflow from the air duct 1. Inside the nozzle 7, the mortar is fully torn and atomized by the high-pressure airflow to form a uniform mortar jet. Finally, it is uniformly sprayed onto the wall surface by the constraint of the limiting material hood 14. During the spraying process, the operator can adjust the speed of the high-pressure fan 6 and the speed of the screw conveyor 8 and screw pump in real time through the control panel 5 to achieve precise control of different spraying thicknesses and coverage. If the pressure inside the air duct 1 rises abnormally, the pressure relief valve will open automatically to ensure safety. After the construction is completed, the feeding system and the air system are shut down in sequence, and the conveying pipe is washed and dried for the next use.

[0025] This invention employs high-pressure airflow-assisted spraying to replace traditional manual troweling, achieving mechanized continuous operation. The spraying speed is adjustable, resulting in a uniform and dense coating that is formed in one pass, greatly improving construction efficiency and effectively avoiding problems such as uneven thickness and hollow areas caused by improper manual operation, thus ensuring the overall quality of the insulation plaster layer. The equipment adopts a closed conveying and spraying system, with materials transported inside pipelines, resulting in virtually no spillage or dust on the ground. Compared with traditional manual construction, this significantly reduces material waste and lowers overall costs. High-pressure airflow provides mortar particles with sufficient kinetic energy, enabling them to fully embed into the gaps in insulation boards or the micropores in the wall, creating a mechanical embedding effect and greatly improving the bond strength between the mortar layer and the substrate. Simultaneously, uniform spraying pressure facilitates the even distribution of crack-resistant reinforcing components such as fibers in the mortar, better leveraging their crack-resistant properties and overcoming the limitations of manual application. The equipment adopts a modular design, with the feeding pipe 2 and auxiliary hose 10 being detachable for easy transportation and on-site assembly. The air duct 1 and feeding pipe 2 are fixed in parallel, resulting in a compact structure. The handheld part has a reasonable weight distribution, reducing the operator's workload. An independent control panel 5 allows for separate adjustment of air pressure and feeding speed to adapt to different construction conditions. The duct 1 adopts a Venturi tube-type inner circle structure that is narrow at the front and wide at the back, and is combined with spiral guide vanes 13, which can effectively gather and accelerate the airflow, improve the stability of the outlet air pressure, and ensure that the mortar is fully atomized and sprayed at high speed, thereby obtaining a smooth and dense coating.

[0026] The control panel 5, high-pressure fan 6, screw conveyor 8, screw pump and pressure relief valve used in this utility model are all existing conventional technologies, and their structural features will not be described in detail.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A crack-resistant and reinforced thermal insulation plastering mortar spraying equipment, characterized in that: It includes parallel air ducts and a feeding pipe, which are fixed and limited by a connecting plate. The air duct is equipped with a hand protective sleeve and a control panel. A high-pressure fan is located at the rear end of the air duct, and a nozzle is located at the front end of the air duct. A screw conveyor is installed inside the feeding pipe, and the motor of the screw conveyor is located at the front end of the feeding pipe. A material conveying channel is provided between the feeding pipe and the nozzle. An auxiliary hose is located at the rear end of the feeding pipe, and a counterweight pipe is located at the rear end of the auxiliary hose.

2. The crack-resistant and reinforced thermal insulation mortar spraying equipment according to claim 1, characterized in that: The feed pipe and the auxiliary hose are connected by a threaded detachable connection structure. A screw pump is installed inside the counterweight pipe of the auxiliary hose. The control line of the screw pump is connected to the control panel and is fixed to the auxiliary hose by a buckle.

3. The crack-resistant and reinforced thermal insulation plastering mortar spraying equipment according to claim 2, characterized in that: The nozzle is equipped with a valve, which is located on the front side of the material conveying channel.

4. The crack-resistant and reinforced thermal insulation plastering mortar spraying equipment according to claim 3, characterized in that: A pressure relief valve is installed at the front of the air duct.

5. The crack-resistant and reinforced thermal insulation plastering mortar spraying equipment according to claim 4, characterized in that: The inner cavity of the duct is an inner circular structure that is narrow at the front and wide at the back.

6. The crack-resistant and reinforced thermal insulation mortar spraying equipment according to claim 5, characterized in that: The inner circular structure of the air duct is equipped with spiral guide vanes.

7. The crack-resistant and reinforced thermal insulation plastering mortar spraying equipment according to claim 6, characterized in that: The nozzle is equipped with a limiting material cover at its front end.

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