SAFETY DEVICE FOR HORIZONTAL CLAMP AND VERTICAL INJECTION DIE CASTING MACHINE

Japanese Patent JP3756986

B2

PROBLEM TO BE SOLVED: To secure the safety of a worker more highly by providing switch valves among a hydraulic circuit for injection moving device, a hydraulic circuit for die clamping device and a hydraulic pump, changing over the switch valves and preventing the operation of a die clamping device at the time of operating the injection moving device.
SOLUTION: At the time of selecting a manual mode of a cycle change-over key switch and an opening mode of a moving type switch, the moving die 15 is opened. Then, an injection mode of the cycle change-over key switch is selected. At this time, the die clamping device 2 is made impossible to drive. Successively, after pushing a selecting button for a cylinder 35 for horizontal movement to change over to the retreating side, a selecting button for a cylinder 36 for elevating/lowering is pushed to change over to the lowering side and the injection device 3 is separated from the die device 12. Then, the hydraulic pump 5 is switched off and a key is taken off and a movable die 15 and a fixed die 13 in the die device 12 are taken off from die plates 16, 14, respectively.

Saburo Noda

JP13671096A

March 22, 2006

May 30, 1996

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Toshiba Machine Co., Ltd.

B22D17/12; F16P3/00; B22D17/20; B22D17/22; B22D17/32; B29C45/26; B29C45/84; (IPC1-7): B22D17/12; B22D17/20; B22D17/22; B22D17/32; B29C45/26; B29C45/84; F16P3/00

JP7051828A
JP4166317A
JP61127859U
JP3081725U
JP5004234A

Kinoshita Minoru
Kanji Nakayama
Tsuyoshi Ishizaki

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