A double -piston structure cylinder that is used for needle valve formula hot runner system

The utility model provides a double -piston structure cylinder that is used for needle valve formula hot runner system, including the cylinder body, the inside piston rod that is equipped with of cylinder body, the cylinder body includes cylinder body and lower cylinder body, goes up the cylinder bo...

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Bibliographische Detailangaben
Hauptverfasser:	CUI CHUANXI, MENG QINGCHUN, HU ZUOHUAN
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING COCKS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TAPS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The utility model provides a double -piston structure cylinder that is used for needle valve formula hot runner system, including the cylinder body, the inside piston rod that is equipped with of cylinder body, the cylinder body includes cylinder body and lower cylinder body, goes up the cylinder body and is equipped with the baffle down between the cylinder body, the baffle will be gone up the cylinder body and divide into two complete working chambers with lower cylinder body, be equipped with upper piston and lower piston on the piston rod, it is internal that the upper piston is provided the upper cylinder half, and the lower piston also includes the needle in being provided down the cylinder body, the needle is fixed on the piston rod through location adjusting device, is equipped with two blow vents in the cylinder body outside, the cylinder body is inside be equipped with with the communicating tank circuit of ventilating of blow vent, at the inside a plurality of rubber seal that still is equipped with of cylinder body. This cylinder drives needle motion through air pressure drive piston up -and -down motion, and this cylinder adopts two piston -cylinder, has increased the power output of cylinder, satisfied the actual production demand.