Hot runner injection nozzle and drive train

US10800082B2 · kind B2 · utility

Assignee

• OTTO MÄNNER GMBH · DE

Inventors

• Swen Spuller · Forchheim, DE
• Marius Bär · Teningen, DE

Key dates

• Filing date: Aug 14, 2018
• Grant date: Oct 13, 2020
• Expiry date: Apr 11, 2039

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B29C2045/2858
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

An injection nozzle for an injection molding device comprising a nozzle head, an actuator, a drive train connected to the actuator, and at least one closure element. The drive train configured for moving the at least one closure element arranged in the nozzle head in a first direction. The drive train comprising a cam mechanism that comprises a cam head. The cam head comprising a cam head block. Per closure element, the cam head block comprising a bracket. The bracket comprising at least one inlay. Per closure element, the at least one inlay comprising a first drive surface configured for engaging and driving a second drive surface arranged at the closure element at least during closing of the closure element. Per closure element, the cam head block comprising a third drive surface configured f engaging and driving a fourth drive surface arranged at the closure element at least during opening of the closure element.