A hollow blow molding machine screw dry material filter device
A filter device and blow molding machine technology, applied to hollow objects, household appliances, other household appliances, etc., can solve the problems affecting the quality of plastic fuel tanks, increase the labor cost of the production line, etc., and achieve the effect of reducing labor costs and improving production efficiency
Active Publication Date: 2020-06-30
YAPP AUTOMOTIVE PARTS
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Problems solved by technology
[0006] The purpose of the present invention is to provide a hollow blow molding machine screw dry material filter device to solve the problem that the blown plastic oil tank contains dry material particles that affect the quality of the plastic oil tank and increase the labor cost of the production line
Method used
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Embodiment Construction
[0031] The technical solution of the present invention is described in detail below through the examples, and the following examples are only exemplary and can only be used to explain and illustrate the technical solution of the present invention, rather than being interpreted as a limitation to the technical solution of the present invention.
[0032] like figure 1 As shown, the dry material filtering device of this technical solution is a connection device installed at the end of the screw A of the main engine of the hollow blow molding machine and between the screw A and the die head. In other embodiments of the present application, the dry material filter device can also be arranged at the end of other screws, and the dry material filter device is not limited to filter the dry material produced by the screw when blowing the plastic oil tank, and can also be used to filter other raw materials impurities in.
[0033] like figure 1 As shown, the runner housing 1 of the dry ...
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The invention relates to a screw dry material filter device for a hollow blow molding machine. The screw dry material filter device comprises a runner shell, a connecting part, an oil cylinder pedestal, a hydraulic oil cylinder, a hydraulic valve and a plug board, wherein the runner shell is provided with an opening; the connecting part is arranged at the outer surface of the runner shell; the oilcylinder pedestal is fixedly connected with the connecting part; the hydraulic oil cylinder is arranged on the oil cylinder pedestal; the hydraulic valve is connected with the hydraulic oil cylinderthrough a pipeline; the plug board is movably inserted into the opening and is connected with a piston rod of the hydraulic oil cylinder; the plug board is provided with a filter screen fixing base provided with a through hole; and a filter screen is arranged on the filter screen fixing base and is matched with the through hole. The screw dry material filter device provided by the invention is used for filtering a dry material generated in an extrusion molding process of a screw A so as to guarantee that a molded plastic oil tank is free of the dry material and completely eradicate the problemabout scrapping of the plastic oil tank due to existence of the dry material; a job for detecting the dry material after blow molding of the plastic oil tank is cancelled; the labor cost of a blow molding production line is lowered, and the production efficiency of the production line is improved.
Description
technical field [0001] The invention belongs to the technical field of blow molding machine accessories, in particular to a hollow blow molding machine screw dry material filtering device. Background technique [0002] When the multi-layer plastic fuel tank is hollow blow molded, the A screw of the hollow blow molding host will use crushed materials as raw materials. The crushed material contains EVOH (ethylene-vinyl alcohol copolymer). Due to the special material properties of EVOH, after the crushed material enters the A screw for melting, it is easy to form dry material when it is continuously extruded in the A screw. These dry materials will be Mixed in the plastic fuel tank after molding, causing the plastic fuel tank to be scrapped due to quality problems. [0003] In order to reduce the phenomenon of dry material, the existing technology has modified the structure of the A screw of the hollow blow molding machine, and added a crushing section at the end of the A scre...
Claims
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IPC IPC(8): B29C49/42B29C49/04B29C48/693B29C49/78B29L9/00B29L22/00
CPCB29C48/691B29C49/04B29C49/4268B29C49/78B29L2009/00B29L2031/7172
Inventor 姜林徐松俊徐向阳吴陆顺黄开江
Owner YAPP AUTOMOTIVE PARTS