Title:
ELECTRIC DIE-CASTING MACHINE
Document Type and Number:
WIPO Patent Application WO/2017/169856
Kind Code:
A1
Abstract:
The present invention is provided with: a screw shaft 6; a nut body 7 which is driven forward and backward by the screw shaft 6; an injection plunger 8a which moves in conjunction with forward and backward movement of the nut body 7; injection/pressure-increasing electric servomotors 2a, 2b, and 3 which rotatably drive the screw shaft 6; a first pulley 16 which transmits drive force of the injection electric servomotors 2a and 2b to the screw shaft 6; a second pulley 14 which transmits drive force of the pressure-increasing electric servomotor 3 to the screw shaft 6; and a one-way clutch 11 disposed between the second pulley 14 and the screw shaft 6. The one-way clutch 11 is attached to one end of the screw shaft 6, and the second pulley 14 and the first pulley 16 are attached in this order inward of the one-way clutch 11. Furthermore, a rotary damper 12 is installed between the one-way clutch 11 and the second pulley 14.
Inventors:
NAKATSUKA YOSHIHISA (JP)
IKEDA SHINGO (JP)
IJIRI TAKASHI (JP)
IKEDA SHINGO (JP)
IJIRI TAKASHI (JP)
Application Number:
PCT/JP2017/010721
Publication Date:
October 05, 2017
Filing Date:
March 16, 2017
Export Citation:
Assignee:
TOYO MACHINERY & METAL (JP)
International Classes:
B22D17/20; B22D17/32
Foreign References:
| JP2014079764A | 2014-05-08 | |||
| JP2014079763A | 2014-05-08 |
Attorney, Agent or Firm:
THE PATENT BODY CORPORATE TAKEWA INTERNATIONAL PATENT OFFICE (JP)
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