Equipment and process for producing polyurethane intermittent cold storage plate and refrigerator car heat insulation plate

Abstract

The invention relates to the technical field of polyurethane insulation board production, and discloses equipment and a process for producing a polyurethane intermittent cold storage board and a refrigerator car insulation board, the equipment comprises a base, one side of the top end of the base is fixedly connected with a material tank B, one side of the material tank B is fixedly connected with a material tank A, and the bottom end of the material tank B and the bottom end of the material tank A are both provided with discharging pipes; the B material tank and the A material tank are connected with an AB material metering pump through a discharging pipe, a mixing motor is further arranged at the top end of the base, an output shaft of the mixing motor is rotatably connected into the AB material metering pump, and a conveying rod is further fixedly connected to the middle of the top end of the base. Then the raw materials are conveyed into a charging bucket A and a charging bucket B of a foaming machine according to the set proportion and flow, the foaming machine conducts automatic circulating temperature control, the pouring pressure of a gun head is adjusted, and after all obtained data meet the requirements, the raw materials are evenly poured into a mold.

Description

technical field [0001] The invention relates to the technical field of polyurethane insulation board production, and more specifically relates to equipment and a process for producing polyurethane intermittent cold storage boards and refrigerated truck insulation boards. Background technique [0002] Polyurethane insulation board is a rigid foam plastic with functions of waterproof, thermal insulation and other functions formed by mixing components A and B. It is called polyurethane rigid foam, or polyurethane rigid foam for short. [0003] A-component material: A-component material refers to the combined material composed of combined polyol (combined polyether or polyester) and foaming agent and other additives, commonly known as white material. A-component material is one of the necessary raw materials to form polyurethane rigid foam. [0004] B component material: B component material refers to the raw material whose main component is isocyanate, commonly known as black ...

AI Technical Summary

Problems solved by technology

[0008] 1. The foam molding time is long, the curing is slow, and it takes 30-40 minutes to produce a product, the flatness of the board surface is poor, and the appearance quality is not good;

[0009] 2. There are many bubbles on the surface of the product;

[0010]

Images