Material storage balance oil circuit of vertical injection molding machine

Abstract

The invention discloses a material storage balance oil circuit of a vertical injection molding machine. The material storage balance oil circuit comprises an ejection mechanism, a first electromagnetic directional valve and a second electromagnetic directional valve; a pressure oil port is formed at the P end of the first electromagnetic directional valve; the ejection mechanism is provided with afirst oil pipe and a second oil pipe; the first oil pipe is provided with a third oil pipe, a direct-acting overflow valve and a guiding-type pressure reducing valve in sequence; the other end of thefirst oil pipe communicates with the pressure oil port; the other end of the third oil pipe communicates with the B end of the first electromagnetic directional valve; the other end of the second oilpipe communicates with the B end of the second electromagnetic directional valve; a fourth oil pipe is arranged at the T end of the second electromagnetic directional valve; the fourth oil pipe is provided with a pilot-type overflow valve; one end of the fourth oil pipe communicates with the T end of the second electromagnetic directional valve, and a fifth oil pipe is arranged at the other end of the fourth oil pipe; and a first oil tank is arranged on one end of the fifth oil pipe, an oil motor is arranged at the other end of the fifth oil pipe, and the other end of the fifth oil pipe communicates with the A end of the second electromagnetic directional valve. Through the manner, the material storage balance oil circuit operates stably, the product quality is guaranteed, and the servicelife is prolonged.

Description

technical field [0001] The invention relates to an improvement of a turret mold core reset oil circuit, in particular to a method which solves the problem of unstable operation of the injection mechanism in injection molding conditions, ensures the product quality of the injection molding machine, and prolongs the service life of the injection molding machine; The improvement is made on the basis of not changing the structure of the original oil circuit, and can be directly applied to the storage balance oil circuit of the vertical injection molding machine of the existing injection molding machine. Background technique [0002] At present, the ejection oil circuit structure for vertical injection molding machines is controlled by the first electromagnetic reversing valve; when the screw barrel executes the material storage action, the injection mechanism moves up, and the release cavity is filled with oil from the T end through the first electromagnetic reversing valve. The...

AI Technical Summary

Problems solved by technology

[0003] The technical problem mainly solved by the present invention is to provide a method that solves the problem of unstable operation of the injection mechanism in the injection molding working condition, ensures the product quality of the injection molding machine, and prolongs the service life of the injection molding machine at the same time; without changing the original oil circuit structure Based on the improvement, it can be directly applied to the storage balance oil circuit of the vertical injection molding machine of the existing injection molding machine

Images