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公开(公告)号：EP1339537B1
公开(公告)日：2004-09-22
申请号：EP01989375.9
申请日：2001-12-03
CPC分类号： H02K7/06 , B29C45/5008 , B29C2045/1793 , B29C2045/5024
摘要： The invention relates to an injection unit for an injection moulding machine for processing plastics, or other plastifiable materials, with a screw (1), provided with a rotating drive, by means of a rotating motor (2), comprising a stator (3) and a rotor (4) and which may be displaced in the axial direction in a screw cylinder to execute the injection function, by means of several electrical linear motors (6), each comprising a primary piece (7), functioning as stator and a linearly displaceable secondary piece (8a, b, c). The linear motors (6) are assembled to give a group (9) in the form of a housing with the secondary pieces (8a, b, c,) of the linear motors (6) arranged parallel to each other and the secondary pieces (8a, b, c) of the linear motors (6) connected to the screw (1) for drive purposes. According to the invention, the rotating motor (2), fixed to the screw (1) in the axial direction, is arranged within the housing-like group (9) and with the stator (3) thereof coupled to the secondary pieces (8a, b, c) of the linear motors (6) in the axial direction.
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公开(公告)号：EP1339537A1
公开(公告)日：2003-09-03
申请号：EP01989375.9
申请日：2001-12-03
CPC分类号： H02K7/06 , B29C45/5008 , B29C2045/1793 , B29C2045/5024
摘要： The invention relates to an injection unit for an injection moulding machine for processing plastics, or other plastifiable materials, with a screw (1), provided with a rotating drive, by means of a rotating motor (2), comprising a stator (3) and a rotor (4) and which may be displaced in the axial direction in a screw cylinder to execute the injection function, by means of several electrical linear motors (6), each comprising a primary piece (7), functioning as stator and a linearly displaceable secondary piece (8a, b, c). The linear motors (6) are assembled to give a group (9) in the form of a housing with the secondary pieces (8a, b, c,) of the linear motors (6) arranged parallel to each other and the secondary pieces (8a, b, c) of the linear motors (6) connected to the screw (1) for drive purposes. According to the invention, the rotating motor (2), fixed to the screw (1) in the axial direction, is arranged within the housing-like group (9) and with the stator (3) thereof coupled to the secondary pieces (8a, b, c) of the linear motors (6) in the axial direction.
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