Title:
CLAMPING UNIT FOR AN INJECTION MOLDING MACHINE
Document Type and Number:
WIPO Patent Application WO/2011/009734
Kind Code:
A3
Abstract:
The present invention relates to a clamping unit for an injection molding machine, comprising a displaceable clamping plate (2), a support plate (3), and a drive device acting between the displaceable clamping plate (2) and the support plate (3), said drive device having at least one electric motor (21, 121) and at least one connecting rod (10 - 13; 110 - 113), wherein the electric motor (21, 121) directly or indirectly acts on the connecting rod (10 - 13; 110 - 113) for opening, closing, and/or applying the clamping force. According to the invention, at least one separate hydraulic drive (116, 116', 116") is provided in addition to the electric motor (21, 121), separately joined by a hinge to a connecting rod and acting in parallel to and independently of the electric motor at least at times for opening, closing, and/or applying a clamping force.
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Inventors:
WOHLRAB WALTER (DE)
Application Number:
PCT/EP2010/059792
Publication Date:
April 28, 2011
Filing Date:
July 08, 2010
Export Citation:
Assignee:
KRAUSS MAFFEI TECH GMBH (DE)
WOHLRAB WALTER (DE)
WOHLRAB WALTER (DE)
International Classes:
B29C45/68
Foreign References:
| JPH04364917A | 1992-12-17 | |||
| DE102004029269A1 | 2005-01-13 |
Attorney, Agent or Firm:
ZOLLNER, Richard (Krauss-Maffei-Str. 2, München, DE)
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