大型扁平空心截面陶瓷制品双螺旋挤压成型设备常用挤压筒的构造及探讨

Structure of extrusion barrel in double spiral extrusion equipment for large flat hollow section fired products

介绍了大型扁平空心截面陶瓷制品(如:大型中空棚板等)的性能特点及其成型方式,分析了双螺旋挤压成型设备——四轴真空挤压成型机特别适用于大型扁平空心截面陶瓷制品的挤压成型。详细论述了四轴真空挤压成型机挤压筒的构造以及铸造式挤压筒和焊接式挤压筒的设计制造,并对挤压筒的结构形式及其对产品质量的影响进行了探讨。

This paper introduces the performance characteristics and molding methods of large flat hollow sectionfired products,and analyzes the double spiral extrusion equipment.The four-axis vacuum extruder is suitable forthe extrusion and molding of large flat hollow section fired products.The paper also introduces the structure of theextrusion barrel,and the design of the casting extrusion barrel and the welded extrusion barrel.Finally it discussesthe influence of the extrusion barrel structure on the quality of products.