SJR
PP Hollow Building Formwork Extrusion Production Line
PP Hollow Building Formwork Extrusion Production Line
1. Automatic feeding system
Storage bin, automatic metering feeding, mixing new PP materials according to formula, calcium carbonate filler, toughener, anti-aging, flame retardant masterbatch, etc
2. Extruder system
Three layer co-extrusion screw combination; Equipped with hydraulic automatic screen changer and melt metering pump, with segmented temperature control of 180-250 ℃, the material is fully melted
3. Three layer co extrusion hollow mold head
Specialized grid flow channel mold head, capable of producing single-layer/three-layer composite hollow boards; Precision fine-tuning of the lip gap ensures uniform thickness of the board surface and regular hollow rib grid, supporting standard widths of 915/1220mm
4. Vacuum constant temperature cooling and shaping table
Multi stage vacuum adsorption shaping+circulating water cooling zone temperature control; Stable vacuum degree -0.07~-0.09MPa
5. Traction cooling unit
Multiple sets of rubber pressure rollers with frequency conversion synchronous traction, rear spray cooling bracket, further cooling and stabilizing the size of the board
6. Automatic fixed length cutting
Automatic cutting, smooth and burr free cutting section; Equipped with automatic stacking/flipping unloading platform to reduce manual labor.
7. Auxiliary system
Cooling water circulation unit, vacuum pump unit, air compressor, scrap crushing and recycling machine, PLC touch screen intelligent control system for the whole machine (temperature control, fault self diagnosis).