B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/70
B22D 17/20 (2006.01)
Patent
CA 1075875
ABSTRACT OF THE DISCLOSURE A molten metal injecting device for a cold chamber type die casting machine wherein a cavity is provided in which a metal cast body is formed between a movable die and a stationary die. Molten metal in an injection sleeve is injected into said cavity by a plunger through a narrow gate. The sleeve has a feeding port for introducing the molten metal. An opening is provided in said sleeve in which the tip of the plunger is exposed partially between the feeding port of the sleeve and the inserting end of the plunger. Lubricant spraying nozzles and compressed air blow- ing nozzles are arranged towards said opening, and a mechanism is provided for rotating said plunger. In the apparatus of the present invention, the distribution of lubricant is improved, the plunger tip is kept free from adhered metal, the product quality is improved, the abrasion and wear are balanced, the maintenance costs are reduced, and the service life of the apparatus is increased.
234552
Kido Takeshi
Kokubun Keiichi
Miki Isao
LandOfFree
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