Foam sheet melt pump is mainly used for conveying, pressurizing and metering of high temperature and high viscosity polymer melt. Its main function is to pressurize and stabilize the high temperature melt from the extruder and keep the melt flow accurately and steadily into the extruder head. Nowadays, melt gear pumps have been widely used in chemical fiber, pelletizing, plastic film, sheet, plate, profile, pipe, wire and cable, drawing, compound extrusion and other production lines, and the materials that can be processed almost cover most polymer materials, such as: PE, PC, PP, PVC, HIPS, PS, PA, TPUR, fluoropolymers, polysulfone, polyester, thermoplastic elastomer, rubber and thermal adhesives, etc.

PS foam melt pump structure

The melt pump is composed of the following eight parts: 1, pump body 2, front cover plate 3, back cover plate 4, main shaft 5, driven shaft 6, shaft sleeve 7, screw seal 8, cold water ring. The driven gear, pump body, both sides of the cover plate and the external heating and cooling device of the pump body are composed. The main shaft is connected to the drive and drives the driven shaft to rotate in the conveying direction to convey the polymer melt to the head.

Advantages of melt gear pump for epe foam sheet machine

1、Very small pressure flow pulsation, can achieve linear output of flow, suitable for precision extrusion system.

2、Different structure and material configurations are used for different working conditions to better meet the individual needs of users.

3、It can be applied to high temperature (350℃), high pressure (40MPa) and high viscosity (40,000Pass) working conditions.

4、Precise structure, high precision and long life.

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