Polyurethane spraying device for refrigeration house construction

Abstract

The utility model relates to the field of polyurethane spraying devices, in particular to a polyurethane spraying device for cold storage construction, and aims to solve the technical problems that an existing polyurethane spraying device for cold storage construction is low in automation degree, and a worker needs to hold a spray head by hand for operation. According to the technical scheme, the polyurethane spraying device for refrigeration house construction comprises a platform car, a spray head, a heating assembly, a stirring assembly and a lifting assembly; a nozzle is arranged on the platform car, a heating assembly is mounted on the platform car, a stirring assembly is mounted on the platform car, and a lifting assembly for adjusting the height of the nozzle is mounted on the platform car; the lifting assembly capable of adjusting the height of the spray head is additionally arranged on the polyurethane spraying device, the spray head can be driven by electric energy to ascend and descend automatically, the height of the spray head does not need to be changed through handheld operation of a worker to spray the wall face of the refrigeration house, and the problems that an existing polyurethane spraying device for refrigeration house construction is low in automation degree and high in spraying efficiency are solved. And a worker needs to hold the nozzle by hand for operation.

Description

Technical Field

[0001] The utility model belongs to the field of polyurethane spraying devices, and in particular relates to a polyurethane spraying device for cold storage construction. Background Art

[0002] Cold storage is a constant temperature and humidity storage equipment used for food, liquids, chemicals, medicines, vaccines, scientific experiments and other items. It is often necessary to use a spray device to spray polyurethane materials that can play a role in heat insulation and waterproofing on the walls of the cold storage.

[0003] At present, when spraying polyurethane coatings on the inner wall of cold storage, workers often hold spray guns. After working for a long time, the hands of the workers will feel sore and uncomfortable, resulting in low work efficiency and uneven spraying.

[0004] Therefore, in order to solve the problem that the existing polyurethane spraying device requires people to hold the nozzle to work, the existing polyurethane spraying device is improved so that it can automatically adjust the height of the nozzle, without the need for workers to hold the nozzle to operate, thereby reducing labor costs and enabling efficient work. Utility Model Content

[0005] In order to overcome the problem that the existing polyurethane spraying device for cold storage construction has a low degree of automation, it requires workers to hold the spray nozzle to operate it.

[0006] The technical solution of the utility model is: a polyurethane spraying device for cold storage construction, including a platform vehicle, a nozzle, a heating component, a stirring component, and a lifting component; the platform vehicle is provided with a nozzle, the platform vehicle is equipped with a heating component connected to the nozzle through a hose, the platform vehicle is equipped with a stirring component, and the platform vehicle is equipped with a lifting component for adjusting the height of the nozzle.

[0007] Preferably, the black material and the white material are mixed and foamed through a stirring component, the heating component can shorten the time spent on foaming, the lifting component is driven by electric energy to change the height of the nozzle, and automation replaces the method of workers holding the nozzle, thereby preventing workers from reducing spraying efficiency and causing uneven spraying due to arm pain caused by long-term holding of the nozzle.

[0008] Preferably, a mounting seat is provided on the platform vehicle, into which storage barrels filled with white material and black material are inserted. The polyurethane coating requires mixing black material with white material. The storage barrels of black material and white material are installed on the platform vehicle to facilitate the on-site production of polyurethane coating.

[0009] Preferably, the heating assembly includes an outer barrel and an inner barrel; the outer barrel is fixedly connected to the platform vehicle, the inner barrel is arranged inside the outer barrel, a cavity structure filled with water is provided between the outer barrel and the inner barrel, and the left and right sides of the outer barrel are respectively connected to water inlet and outlet pipes. The water in the cavity serves as a medium for conducting heat and can transfer the temperature to the inner barrel to increase the temperature of the black and white material.

[0010] Preferably, the heating component also includes an electric heating rod and a thermometer; the electric heating rod for heating the water in the cavity structure is inserted into the outer barrel, and the thermometer is inserted into the outer barrel. The water in the cavity is heated by the electric heating rod, and the heat of the water is then transferred to the black and white material in the inner barrel. The thermometer can facilitate observation of the heat of the external water and control of the water temperature to prevent excessive temperature from causing the foaming agent to move out too quickly and reduce the density of the product.

[0011] Preferably, the stirring assembly includes a stirring rod and a No. 1 motor; a stirring rod with a stirring plate on the outer side is inserted into the inner barrel, and a transmission element is installed at the bottom of the platform car and connected to the No. 1 motor on the stirring rod. After the No. 1 motor is started, the stirring rod is driven to start rotating, and the stirring plate in the stirring rod mixes the black and white materials in the inner barrel.

[0012] Preferably, the lifting assembly includes a lifting platform and a groove; the lifting platform is arranged on the platform vehicle, the lifting platform is provided with an annular groove, a card slot is provided in the groove, a fastener matching the card slot is fixedly connected to the bottom side of the nozzle, the nozzle is fixed in the groove on the lifting platform by the card slot, and the distance between the nozzle and the flatbed vehicle is changed by moving the lifting platform.

[0013] Preferably, the lifting assembly also includes a threaded rod, a limit column, and a No. 2 motor; the threaded rod is inserted into the platform car, the limit column is fixedly connected to the platform car, the lifting platform is sleeved over the threaded rod and the limit column, and the No. 2 motor is installed on the bottom side of the platform car. One end of the threaded rod is connected to the transmission element of the No. 2 motor, and the threaded rod is driven to rotate by the No. 2 motor. Under the limitation of the limit column, the lifting platform moves upward on the threaded rod.

[0014] Beneficial effects of the utility model:

[0015] 1. By adding a lifting component that can adjust the height of the nozzle to the polyurethane spraying device, the nozzle can be automatically raised and lowered by electric drive, and the staff does not need to manually operate to change the height of the nozzle to spray the cold storage wall;

[0016] 2. The water in the cavity structure between the outer barrel and the inner barrel is heated by the electric heating rod, and the polyurethane in the inner barrel is heated, the reaction speed is increased, the foaming time and curing time are shortened, the product density is increased, the hardness is increased, the mechanical properties are improved, and the sealing is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1What is shown is a first three-dimensional structural schematic diagram of the polyurethane spraying device for cold storage construction of the utility model;

[0018] Figure 2 The second three-dimensional structure schematic diagram of the polyurethane spraying device for cold storage construction of the utility model is shown;

[0019] Figure 3 The third stereoscopic structure diagram of the polyurethane spraying device for cold storage construction of the utility model is shown;

[0020] Figure 4 The fourth three-dimensional structure schematic diagram of the polyurethane spraying device for cold storage construction of the utility model is shown;

[0021] Figure 5 The first three-dimensional structure diagram of the stirring assembly and the lifting assembly of the polyurethane spraying device for cold storage construction of the utility model is shown;

[0022] Figure 6 What is shown is a second three-dimensional structural schematic diagram of the stirring component and the lifting component of the polyurethane spraying device for cold storage construction of the utility model.

[0023] Explanation of the accompanying drawings: 1. Platform vehicle; 2. Nozzle; 3. Heating assembly; 4. Stirring assembly; 5. Lifting assembly; 6. Mounting base; 7. Storage barrel; 301. Outer barrel; 302. Inner barrel; 303. Electric heating rod; 304. Thermometer; 401. Stirring rod; 402. Motor No. 1; 501. Lifting platform; 502. Groove; 503. Threaded rod; 504. Limiting column; 505. Motor No. 2. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] See also Figure 1-2 The utility model provides an embodiment: a polyurethane spraying device for cold storage construction includes a platform vehicle 1, a nozzle 2, a heating component 3, a stirring component 4, and a lifting component 5; the platform vehicle 1 is provided with a nozzle 2, the platform vehicle 1 is provided with a heating component 3 connected to the nozzle 2 through a hose, the platform vehicle 1 is provided with a stirring component 4, and the platform vehicle 1 is provided with a lifting component 5 for adjusting the height of the nozzle 2, the black material and the white material are mixed and foamed by the stirring component 4, the heating component 3 can shorten the time spent on foaming, the lifting component 5 is driven by electric energy to change the height of the nozzle 2, and the automation replaces the way in which the staff holds the nozzle 2, so as to prevent the staff from having arm pain due to long-term holding of the nozzle 2, resulting in reduced spraying efficiency and uneven spraying.

[0026] See also Figure 3-5In this embodiment, a mounting seat 6 is provided on the platform vehicle 1, and a material storage barrel 7 filled with white material and black material is inserted in the mounting seat 6, and the heating component 3 includes an outer barrel 301 and an inner barrel 302; the outer barrel 301 is fixedly connected to the platform vehicle 1, and the inner barrel 302 is provided in the outer barrel 301. There is a cavity structure filled with water between the outer barrel 301 and the inner barrel 302, and the left and right sides of the outer barrel 301 are respectively connected to the inlet and outlet pipes, and the heating component 3 also includes an electric heating rod 303 and a thermometer 304; the electric heating rod 303 for heating the water in the cavity structure is inserted in the outer barrel 301, and the outer barrel 301 is provided with an inner barrel 302. A thermometer 304 is plugged in. The polyurethane coating requires mixing black material and white material. The storage barrels 7 of black material and white material are installed on the platform vehicle 1 to facilitate the production of polyurethane coating on site. The water in the cavity serves as a medium for conducting heat, and the temperature can be transferred to the inner barrel 302 to increase the temperature of the black and white materials. The water in the cavity is heated by the electric heating rod 303, and then the heat of the water is transferred to the black and white materials in the inner barrel 302. The thermometer 304 can be used to observe the heat of the external water, so as to control the water temperature and prevent the temperature from being too high, causing the foaming agent to move out too quickly, and the product density to be reduced.

[0027] See also Figure 4-6 In this embodiment, the stirring assembly 4 includes a stirring rod 401 and a No. 1 motor 402; a stirring rod 401 with a stirring plate on the outer side is inserted into the inner barrel 302, and a No. 1 motor 402 connected to the stirring rod 401 by a transmission element is installed at the bottom of the platform vehicle 1. The lifting assembly 5 includes a lifting platform 501 and a groove 502; a lifting platform 501 is provided on the platform vehicle 1, and an annular groove 502 is provided on the lifting platform 501, and a card slot is provided in the groove 502, and a snap-fitting piece matching the card slot is fixedly connected to the bottom side of the nozzle 2, and the lifting assembly 5 also includes a threaded rod 503, a limiting column 504, and a No. 2 motor 505; a threaded rod 503 is inserted into the platform vehicle 1, and a limited column 504 is fixedly connected to the platform vehicle 1 The lifting platform 501 is sleeved on the threaded rod 503 and the limiting column 504, and the No. 2 motor 505 is installed on the bottom side of the platform vehicle 1. One end of the threaded rod 503 is connected to the transmission element of the No. 2 motor 505. After the No. 1 motor 402 is started, the stirring rod 401 is driven to rotate, and the stirring plate in the stirring rod 401 mixes the black and white materials in the inner barrel 302. The nozzle 2 is fixed in the groove 502 on the lifting platform 501 by the snap fastener, and the distance between the nozzle 2 and the flatbed vehicle is changed by moving the lifting platform 501. The threaded rod 503 is driven to rotate by the No. 2 motor 505. Under the restriction of the limiting column 504, the lifting platform 501 moves upward on the threaded rod 503.

[0028] When working, the staff first plugs the nozzle 2 into the groove 502 on the lifting platform 501, inserts the hose through the barrel cover into the inner barrel 302, and then plugs the black and white materials into the mounting seat 6 on the platform vehicle 1 respectively, plugs the pipe with the pump head into the material storage barrel 7, and plugs the other end of the hose into the inner barrel 302;

[0029] The pump head is started, and the pump head sucks the black material and the white material into the inner barrel 302. The No. 1 motor 402 is started, and the No. 1 motor 402 drives the stirring rod 401 to start rotating. The stirring block drives the black and white materials to mix. The electric heating rod 303 is started, and the electric heating rod 303 heats the water in the cavity between the outer barrel 301 and the inner barrel 302. The heat of the water is transferred to the inner barrel 302 through the wall of the inner barrel 302, and the foaming reaction of the polyurethane coating in the inner barrel 302 is accelerated. The thermometer 304 is used to observe the water temperature. If it exceeds 80 degrees, the heating is stopped to prevent the foaming agent from overflowing too quickly and the product density from decreasing.

[0030] The spray head 2 sucks the polyurethane paint from the hose through the built-in pump and sprays it onto the wall, and the No. 2 motor 505 is started. The No. 2 motor 505 drives the threaded rod 503 to rotate. Under the restriction of the limit column 504, the lifting platform 501 cannot rotate with the threaded rod 503, but moves up and down along the threaded rod 503 on the outside of the threaded rod 503. After reaching the highest point, the spray head 2 stops working, and the staff pushes the platform vehicle 1 to move forward. The spray head 2 is turned on again and the No. 2 motor 505 is started. The lifting platform 501 drives the spray head 2 to move downward, and then the above steps are repeated until the wall spraying is completed.

[0031] Through the above steps, a lifting component 5 capable of adjusting the height of the nozzle 2 is added to the polyurethane spraying device. The nozzle 2 can be automatically lifted and lowered by electric drive, and there is no need for staff to manually change the height of the nozzle 2 to spray the cold storage wall, so as to solve the problem that the existing polyurethane spraying device for cold storage construction has a low degree of automation and requires staff to manually operate the nozzle 2.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A polyurethane spraying device for cold storage construction, comprising a platform vehicle (1) and a spray head (2); characterized in that: The platform vehicle (1) also comprises a heating component (3), a stirring component (4), and a lifting component (5); a nozzle (2) is arranged on the platform vehicle (1); a heating component (3) connected to the nozzle (2) via a hose is installed on the platform vehicle (1); a stirring component (4) is installed on the platform vehicle (1); and a lifting component (5) for adjusting the height of the nozzle (2) is installed on the platform vehicle (1); the heating component (3) comprises an outer barrel (301) and an inner barrel (302); a nozzle (2) is fixedly connected to the platform vehicle (1); An outer barrel (301) is connected, an inner barrel (302) is arranged inside the outer barrel (301), a cavity structure filled with water is provided between the outer barrel (301) and the inner barrel (302), and water inlet and outlet pipes are connected to the left and right sides of the outer barrel (301) respectively; the heating component (3) also includes an electric heating rod (303) and a thermometer (304); the electric heating rod (303) for heating water in the cavity structure is plugged into the outer barrel (301), and the thermometer (304) is plugged into the outer barrel (301).

2. A polyurethane spraying device for cold storage construction according to claim 1, characterized in that: A mounting seat (6) is provided on the platform vehicle (1), and a material storage barrel (7) filled with white material and black material respectively is inserted into the mounting seat (6).

3. A polyurethane spraying device for cold storage construction according to claim 1, characterized in that: The stirring assembly (4) comprises a stirring rod (401) and a first motor (402); the stirring rod (401) with a stirring plate sleeved on the outside is inserted into the inner barrel (302), and a transmission element connected to the first motor (402) on the stirring rod (401) is installed at the bottom of the platform vehicle (1).

4. A polyurethane spraying device for cold storage construction according to claim 1, characterized in that: The lifting assembly (5) comprises a lifting platform (501) and a groove (502); the lifting platform (501) is arranged on the platform vehicle (1), an annular groove (502) is provided on the lifting platform (501), a clamping groove is provided in the groove (502), and a clamping part matching the clamping groove is fixedly connected to the bottom side of the nozzle (2).

5. A polyurethane spraying device for cold storage construction according to claim 4, characterized in that: The lifting assembly (5) also includes a threaded rod (503), a limiting column (504), and a second motor (505); A threaded rod (503) is inserted into the platform vehicle (1), a limiting column (504) is fixedly connected to the platform vehicle (1), the lifting platform (501) is sleeved on the threaded rod (503) and the limiting column (504), a second motor (505) is installed on the bottom side of the platform vehicle (1), and one end of the threaded rod (503) is connected to the transmission element of the second motor (505).

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