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21. 发明公开

EP3341176A1 COOLING PLATE ASSEMBLY FOR AN INJECTION MOLDING MACHINE 有权转让
公开(公告)号：EP3341176A1
公开(公告)日：2018-07-04
申请号：EP16838167.1
申请日：2016-08-25
申请人： Athena Automation Ltd.
发明人： SCHAD, Robert D. , SICILIA, Roberto
IPC分类号： B29C45/73
CPC分类号： B29C45/43 , B29C45/4225 , B29C45/7207 , B29C2045/7214 , B29D22/003
摘要： A cooling plate assembly includes (a) a cooling plate having a plate front surface; (b) an air channel extending within a thickness of the cooling plate; (c) a plate bore extending into the cooling plate from the plate front surface for providing fluid communication between the air channel and a cavity of a cooling tube mountable to the cooling plate; and (d) a valve within the plate bore. The valve is movable between a first position in which a first air flow passage extending within the plate bore is open for conducting air from the cavity to the air channel, and a second position in which the first air flow passage is obstructed to reduce air flow between the cavity and the air channel, and in which a second air flow passage extending within the plate bore is open for conducting air from the air channel to the cavity.

22. 发明公开

EP2346665A1 INJECTION MOLDING MACHINE WITH OFFSET MOVING PLATEN ACTUATOR 审中-公开
标题翻译：具有偏移MOVING板致动器成型机
公开(公告)号：EP2346665A1
公开(公告)日：2011-07-27
申请号：EP09817154.9
申请日：2009-10-02
申请人： Athena Automation Ltd.
发明人： SCHAD, Robert D. , STROHMAIER, Franz
IPC分类号： B29C45/64 , B29C45/08
CPC分类号： B29C45/6728 , B29C45/1748 , B29C2045/6735
摘要： An injection molding machine comprises a first platen and a second platen, the first platen movable relative to the second platen in an axial direction between open and closed positions, and a plurality of tie bars extending generally between the first and second platens for coupling together the first and second platens. At least a first locking device is mounted to the first platen and associated with a first one of the tie bars for selectively locking and unlocking the moving platen relative to the tie bar. At least a first clamping mechanism is mounted to the second platen and associated with the first tie bar, the clamping mechanism including clamp and unclamp chambers on either side of a piston for moving the piston towards clamp and unclamp positions to exert a clamping force and a mold break force, respectively. The machine further includes a traverse actuator comprising one or more linear actuators coupled to at least one of the first and second platens for effecting said movement of the first platen relative to the second platen between the open and closed positions, the one or more linear actuators together being free of provision for applying a mold break force to the platens.

23. 发明公开

EP2346666A1 LOCKING DEVICE FOR AN INJECTION MOLDING MACHINE 有权转让
标题翻译：封山育林的注塑成型机
公开(公告)号：EP2346666A1
公开(公告)日：2011-07-27
申请号：EP09817156.4
申请日：2009-10-02
申请人： Athena Automation Ltd.
发明人： SCHAD, Robert D. , LINK, Carsten
IPC分类号： B29C45/64
CPC分类号： B29C45/6728 , B29C45/1748 , B29C2045/6735
摘要： A combination comprises first and second platens of an injection molding machine, a tie bar extending from the second platen to the first platen, and a locking device for releasably securing together the tie bar and the first platen. The locking device includes: a) a housing extending along an axis coaxial with the tie bar and including a first bearing surface affixed to the first platen; and b) a lock nut received in the housing and rotatable within the housing about the axis between locked and unlocked positions, the lock nut comprising an inner bore with radially inwardly projecting engagement elements that engage the tie bar when in the locked position to transfer an axial clamp load from the tie bar to the lock nut, the radially inwardly projecting engagement elements provided along a first axial extent of the lock nut and defining a tie bar engagement portion; an outer surface with at least a first step face for abutting the first bearing surface to transfer the axial clamp load from the lock nut to the first platen, the first step face having a first radially outer extent; and the lock nut including a narrowing section having a second axial extent bounded by a first position proximate the first step face and a second position spaced axially from the first step face in a direction towards the second platen, wherein the outer surface has a first diameter at the first position and a second diameter at the second position, the first diameter being less than the first radially outer extent and greater than the second diameter.

24. 发明公开

EP2355968A1 MOLD MOTION CONTROL SYSTEM FOR AN INJECTION MOLDING MACHINE 审中-公开
标题翻译：形态的移动控制系统的注塑成型机
公开(公告)号：EP2355968A1
公开(公告)日：2011-08-17
申请号：EP09817155.6
申请日：2009-10-02
申请人： Athena Automation Ltd.
发明人： SCHAD, Robert D. , LINK, Carsten
IPC分类号： B29C45/64 , B29C45/08
CPC分类号： B29C45/6728 , B29C45/1748 , B29C2045/6735
摘要： A method for injection molding comprises pre-positioning a clamp piston within a cylinder housing to a datum position axially intermediate a clamping position and an unclamped position, the clamp piston affixed to a tie bar, the clamp piston and cylinder housing cooperating to provide a clamp chamber and an unclamp chamber in a clamp cylinder housing on axially opposite sides of the clamp piston for urging the clamp piston towards the clamping and unclamped positions, respectively, when pressurized. Pre-positioning the clamp piston can include leaving a positioning gap between portions of a mold before releasably locking a tie bar to one of the moving or stationary platens, and then advancing the moving platen to substantially close the positioning gap after the releasable locking has been completed. Pre-positioning the clamp piston can include moving a stop member to an advanced position in the cylinder housing, and urging the clamp piston to bear against the stop member before the releasable locking step has been completed.

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