External control device of pneumatic needle valve in mold

The utility model relates to an external control device of a pneumatic needle valve in a mould, which comprises a plurality of electromagnetic valves and an electromagnetic valve controller for controlling the electromagnetic valves, and further comprises a box body, a gas circuit seat and an extern...

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Bibliographische Detailangaben
Hauptverfasser:	YAN SHENGYI, ZHU SHAOJUN, SONG XIAOWEI, CAI HAISEN, HU GUANGLIANG, PAN LIBING, WANG XIWU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The utility model relates to an external control device of a pneumatic needle valve in a mould, which comprises a plurality of electromagnetic valves and an electromagnetic valve controller for controlling the electromagnetic valves, and further comprises a box body, a gas circuit seat and an external hose, the gas circuit seat is positioned in the box body, the electromagnetic valves are arranged on the gas circuit seat side by side, the gas circuit seat is provided with a main gas circuit communicated with a gas source, and the external hose is connected with the main gas circuit. The main gas circuit is provided with branch gas circuits communicated with the electromagnetic valves respectively, one end of the external hose serves as a first connecting end communicated with the electromagnetic valves, and the other end of the external hose extends out of the box body and serves as a second connecting end communicated with the gas inlet and the gas outlet of the needle valve. By the adoption of the scheme, t