The utility model provides a plastic and cooling temperature controlled device for the production of polyethylene pipe, including a heating box, a steady flow plate and a water tank partition board, and a heating box is provided on the outside of the barrel, and the heating box comprises a box, a heat insulating rock wool, a heating box partition board, a heating coil and a concave slot, and the box is covered with a cylinder outside. The inner of the box is separated by a heating box partition board to form four chambers; the right end of the extruder head is set with a setting tube; the external coating of the setting tube is covered with a cooling groove; the inside of the tank is separated by a tank partition to form six relatively independent overwater chambers; and the inside of the water passing chamber is provided with six layers of steady flow. Board. By setting the heating box which can adjust the temperature, the utility model uses a cooling water tank to reduce the temperature in the cooling setting stage of the pipe, so that the temperature of the extrusion stage and the cooling setting stage can be controlled and adjusted accurately and effectively to ensure the good performance of the pipe.
【技术实现步骤摘要】
一种聚乙烯管材生产用塑化及冷却温度可控型设备
本技术属于管材生产
,尤其涉及一种聚乙烯管材生产用塑化及冷却温度可控型设备。
技术介绍
塑料加工业是一项综合性很强的技术型产业。它涉及到高分子化学,高分子物理,界面理论,塑料机械,塑料加工模具,配方设计原理及工艺控制等方面。挤出理论主要研究塑料在挤出机内的运动情况与变化规律。挤出机中塑料在一定外力作用下,于不同温度范围内出现的高聚物的三种物理状态,与螺杆结构,塑料性能,加工条件之间的关系。从而进行合理工艺控制。以达到提高塑料制品产量与质量的目的。基于上述,专利技术人发现,塑料高分子材料,在恒定的压力下受热时,于不同温度范围内,出现玻璃态,高弹态,粘流态三种物理状态。一般塑料的成型温度在粘流温度以上。螺杆的旋转产生剪切力使塑料破碎;螺杆的转动产生推动力使破碎的塑料连续前进并因此产生挤出压力;在挤出压力作用下,过滤板和压力所及的其它部位产生反作用力(即背压),造成塑料的迥流和搅拌,从而实现挤塑过程的全面均衡。这一作用过程正是塑料实现均匀塑化的必要条件和充分条件。因为熔体与金属之间较高的温度差将会降低管材质量,而且不同 ...
【技术保护点】
一种聚乙烯管材生产用塑化及冷却温度可控型设备,其特征在于:该聚乙烯管材生产用塑化及冷却温度可控型设备包括机箱,驱动机构,主轴,加料口,螺杆,加热箱,箱体,保温岩棉,加热箱隔板,加热盘管,凹槽,机筒,挤出机头,定型管,冷却槽,进水口,出水口,槽体,稳流板,过水孔,过水腔和水槽隔板;所述驱动机构安装于机箱上;所述驱动机构通过主轴与螺杆相连接;所述螺杆设于机筒中;所述加料口设于机筒的顶部;所述机筒的外部设有加热箱;所述加热箱包括箱体、保温岩棉、加热箱隔板、加热盘管和凹槽;所述箱体为包覆于机筒外部的筒状结构;所述箱体的内部由加热箱隔板分隔形成四个腔室;所述机筒的右端与挤出机头相连接 ...
【技术特征摘要】
1.一种聚乙烯管材生产用塑化及冷却温度可控型设备,其特征在于:该聚乙烯管材生产用塑化及冷却温度可控型设备包括机箱,驱动机构,主轴,加料口,螺杆,加热箱,箱体,保温岩棉,加热箱隔板,加热盘管,凹槽,机筒,挤出机头,定型管,冷却槽,进水口,出水口,槽体,稳流板,过水孔,过水腔和水槽隔板;所述驱动机构安装于机箱上;所述驱动机构通过主轴与螺杆相连接;所述螺杆设于机筒中;所述加料口设于机筒的顶部;所述机筒的外部设有加热箱;所述加热箱包括箱体、保温岩棉、加热箱隔板、加热盘管和凹槽;所述箱体为包覆于机筒外部的筒状结构;所述箱体的内部由加热箱隔板分隔形成四个腔室;所述机筒的右端与挤出机头相连接;所述挤出机头的右端设有定型管;所述定型管的外部包覆有冷却槽;所述...
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