High and low pressure plastic blow moulding machine

高低压塑料吹膜机

Abstract

The utility model discloses a high and low pressure plastic film blowing machine, comprising an extruder, a pull roll and a gable which is arranged on the upward side of the die head of the extruder, the gable is positioned at the frame, which is characterized in that: the two boards of the gable are positioned at the same side, a carrier rod is respectively hinged at the same position below the pin joint on the upward side, the lower ends of the two pin joints are hinged at the same stem casing, the distance between the pin joint of the stem casing of the two carrier rods and the pin joint of the gable is equal, the stem casing is covered at the upward side of the screw which is vertically positioned at the frame by drilling through a screw hole, a female screw matched with the screw is arranged on the hole and the stem casing, and the other female screw is covered around the non-screwed section of the screw so as to make the screw run relative to the part instead of end movement. The blowing machine with the structure has the advantages of stable bubble and high-quality products.
本实用新型公开了一种高低压塑料吹膜机,包括挤出机、牵引辊及挤出机模头上方的人字板,人字板安装在机架上,其特征在于:在构成所述人字板的两块板的同一侧,位于上端枢接点之下的相同位置分别铰接有一个顶杆,两个顶杆的下端均铰接在同一个杆套上,所述的两个顶杆从杆套的铰接点到与人字板铰接的铰接点之间的距离相等,所述的杆套套在一个竖向安装在机架上的螺杆的上端,螺杆穿过机架上的一个螺杆孔安装在机架上,在机架上的安装孔和所述的杆套中,只有一个带有与螺杆配合的内螺纹,另一个则环套在螺杆上的无螺纹段并使得螺杆能够相对该部件转动而不能轴向移动。这种结构的吹膜机,膜泡稳定,产品质量好。

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Cited By (4)

    Publication numberPublication dateAssigneeTitle
    CN-102398363-AApril 04, 2012苏州天加新材料有限公司人字夹辊架四面挡膜机构
    CN-104339645-AFebruary 11, 2015宜兴市荣烽塑料彩印有限公司Novel plastic film blowing device
    CN-105500737-AApril 20, 2016安庆市季彤工贸有限公司Polyethylene film production line
    CN-105856547-AAugust 17, 2016苏州和记荣达新材料有限公司Plastic film blowing machine