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    • 2. 发明专利
    • MOLDING MOLD DEVICE
    • JPH02220734A
    • 1990-09-03
    • JP4357089
    • 1989-02-23
    • HITACHI METALS LTD
    • KIYONAGA MASAYOSHI
    • B22C15/06
    • PURPOSE:To automatically make rising of both frames with the reaction of mold ramming with a rammer by arranging a lifting frame to supporting columns stood on a mobile carriage and providing the rammer on the free end of a moving frame provided by intersecting orthogonally with the lifting frame through buffering member. CONSTITUTION:The supporting columns 4 are stood on the mobile carriage 1 placed on running rails 2, and the lifting frame 5 is provided on the supporting columns 4 freely ascendingly/decending with a winch 11 through a rope 12. The moving frame 9 is fitted so as to intersect orthogonally with this lifting frame 5 and be freely movably in a horizontal direction with a motor 13. The rammer 17 is provided on the free end of the shifting frame 9 through a holding member 16 and the moving bracket 22 of the holding member 16 is interposed freely movably up-and-down to a shaft 21, and compressed coil springs 26 are provided between both. By this constitution, at the time of ramming the molding sand, etc., with the rammer 17, since the shifting frame 9 and the lifting frame 5 are automatically lifted with this ramming reaction by setting the tension of the rope 12 to the suitable value, the automatic operation and unmanned operation can be executed.
    • 9. 发明专利
    • METHOD FOR CLEANING KNEADING TROUGH IN CONTINUOUS TYPE SAND KNEADER
    • JPH10202343A
    • 1998-08-04
    • JP4455997
    • 1997-01-22
    • TAIYO CHUKI KK
    • IWAMOTO MINORU
    • B22C15/06
    • PROBLEM TO BE SOLVED: To unnecessitate the cleaning with manual work by automatically cleaning the sticking and the growing of residual molding sand inevitably caused in a kneading trough after completing the kneading in a continuous type sand kneader. SOLUTION: In the continuous type sand kneader 6 for continuously discharging the self-hardening kneaded molding sand, at the time of cleaning the kneading trough 1 after completing the kneading work of the molding sand, a discharging gate 7 at the tip part of the kneading trough 1 is closed and at the same time, a rotary shaft 4 is rotated. Then, after supplying a fixed quantity of abradant into the kneading trough 1 from an abradant charging gate 9 continued to the lower end of a abradant hopper 8 for storing the abradant for cleaning, arranged so as to approach a molding hopper 2, the remained molding sand stuck to the inner peripheral wall of the kneading trough 1 and the tip part and the back surface part of kneading blades 3, is a detached and removed by rotating the rotary shaft 4 for short time.