Mold opening/closing device
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
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Jan 7, 2020
Grant Date -
May 31, 2018
app pub date -
May 9, 2016
filing date -
May 9, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is a mold opening/closing device that can prevent a ball screw shaft from reaching a risky speed while using a ball screw having a cantilever supporting structure. A mold clamping device according to the present invention is provided with: a ball screw having a ball screw shaft and a ball screw nut that meshes with the ball screw shaft; and a motor that drives the ball screw. One end of the ball screw shaft is supported by a fixation plate or a movable plate so as to be rotatable or non-rotatable, while being restricted in movement in an axial direction and thereby serving as a fixed end, and the other end thereof serves as a free end. Further, the mold clamping device is characterized in that a distance between the ball screw nut and the fixed end is shorter than a distance between the fixed plate and the movable plate.
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