High polymer material polyurethane automatic spraying method

Abstract

The invention relates to the technical field of spraying devices, and discloses a high polymer material polyurethane automatic spraying method. A frame is included, wherein an air injection device is fixedly mounted at the top of the frame, a spraying pipe is fixedly mounted in the middle of the bottom of the air injection device, a spray gun is fixedly mounted at one end of the spraying pipe, a spray head device is fixedly mounted at the top of the spray gun, a conveying pipe is fixedly mounted in the middle of the top of the air injection device, and a stirring device is fixedly mounted at the top of the conveying pipe. According to the automatic polyurethane spraying method, the purpose for a good working effect is achieved by arranging an air pump, a moving plate, an air cylinder and the like; when spraying work needs to be carried out, the air pump extracts air inwards, the conveying pipe is made to communicate, and a material is rapidly absorbed and enter under the action of air pressure; and when formal spraying work needs to be carried out later, the air pump injects air inside, the conveying pipe is closed under the action of the air cylinder, and the material is sprayed out of the spray gun through strong air pressure afterwards.

Description

technical field [0001] The invention relates to the technical field of spraying devices, in particular to an automatic spraying method for polymer material polyurethane. Background technique [0002] Polyurethane spraying is a high-molecular polymer polyurethane made of isocyanate and polyether as the main raw materials, mixed by special equipment under the action of various additives such as foaming agent, catalyst, and flame retardant, and foamed on-site by high-pressure spraying. Rigid foam is a new type of synthetic material with thermal insulation and waterproof functions. Its thermal conductivity is low, only 0.022-0.024W / MK, equivalent to half of extruded board, and it is the lowest thermal conductivity of all thermal insulation materials. At present, polyurethane Foam plastics are mainly used in building exterior wall insulation, integrated roof waterproof insulation, cold storage insulation, pipe insulation materials, building panels, refrigerated vehicles and cold ...

AI Technical Summary

Problems solved by technology

[0003] There are still some problems in the use of existing automatic polyurethane spraying equipment: in the past, large vehicles and equipment were directly used for spraying work, but it was often not suitable for areas with small working areas. Backflow and clogging are easy to occur in air pressure spraying, which is troublesome to use and low in efficiency

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