Pressure detection apparatus of injection molding machine

A pressure detection apparatus of an injection molding machine composed of a drive mechanism and a movable member includes a pressure reception member disposed in the drive mechanism in such a manner as to be movable in a reciprocating direction of the movable member while being guided by a guide me...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAURA HIROSHI, YOKOYA KINJI, SHIMIZU KEIZOU
Format:	Patent
Sprache:	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:	A pressure detection apparatus of an injection molding machine composed of a drive mechanism and a movable member includes a pressure reception member disposed in the drive mechanism in such a manner as to be movable in a reciprocating direction of the movable member while being guided by a guide member. A ball screw or nut of a ball screw mechanism of the drive mechanism is fixedly attached to the pressure reception member. A load cell is disposed between the drive mechanism and the movable member in such a way as to be fixedly attached to one of a bearing ring retainer facing the movable member and the pressure reception member while abutting the other. The pressure reception member receives stress (load) directed in a rotation direction and arising from the ball screw or nut, thereby preventing imposition of the stress (load) on the load cell.