Intermittent pre-foaming machine vent board structure

Abstract

The invention provides an intermittent pre-foaming machine vent board structure. The intermittent pre-foaming machine vent board structure comprises an electric rotary shaft, an inner barrel, vent holes, a supporting ring, a rubber sealing ring, supporting rods and sliding wheels. The electric rotary shaft is installed in a groove. The lower end of the inner barrel is connected with the upper endof the electric rotary shaft. The vent holes are formed in the annular side face of the inner barrel. The front end of the supporting ring is installed on the inner side of the annular side face of anouter barrel. The front end of the rubber sealing ring is connected with the rear end of the supporting ring. The front ends of the supporting rods are installed on the inner side of the annular sideface of the outer barrel. The sliding wheels are installed at the rear ends of the supporting rods. According to the intermittent preset foaming machine vent board structure, by rotating the inner barrel, steam exhausted out of the vent holes is evenly distributed to the interior of the inner barrel, foaming materials are evenly heated when heating is carried out, and therefore, the product quality is improved.

Description

technical field [0001] The invention relates to an intermittent pre-generator ventilation plate structure, which belongs to the technical field of foam processing machinery. Background technique [0002] The foam pre-expansion machine is mainly used to produce plastic foam. In the plastic foam production process, the plastic foam raw material can be foamed according to the product demand, so as to obtain the expanded product. Every time the plastic foam undergoes foaming, its volume will increase, especially after the plastic foam raw material undergoes foaming once, its volume will increase by the largest multiple. Features such as production efficiency, improvement of foaming quality and reduction of moisture content. In the steam communication mechanism of the existing foam pre-expansion machine, generally there is only one ventilation pipe corresponding to one steam frame to circulate the steam. When the material is heated, it is heated unevenly, causing the density of...

AI Technical Summary

Problems solved by technology

In the steam communication mechanism of the existing foam pre-expansion machine, generally there is only one ventilation pipe corresponding to one steam frame to circulate the steam. When the material is heated, it is heated unevenly, resulting in different density of the foam product, and the product quality cannot reach the desired effect. Therefore, an intermittent pre-expansion machine ventilation plate structure is urgently needed to solve the above problems.

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