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    • 40. 发明专利
    • Method for spraying releasing agent, and spray unit for die casting
    • 喷涂剂喷涂方法,喷涂喷涂单元
    • JP2005342783A
    • 2005-12-15
    • JP2004168821
    • 2004-06-07
    • Aoki Science Institute Co LtdKotobuki Kinzoku Kogyo KkYamaguchi Giken:Kk寿金属工業株式会社株式会社 山口技研株式会社青木科学研究所
    • YOKOI MITSUYOSHIHARADA MASAYUKIFURUKAWA HIDEKIYAMAGUCHI ISAMUTOGAWA KOJI
    • B22C3/00B22D17/20
    • B22C1/14B22D17/2007
    • PROBLEM TO BE SOLVED: To provide a spray unit for die casting capable of spraying a slight amount of an oily releasing agent on the inner surface of a die and utilizing an existing facility.
      SOLUTION: The spray unit 1 is provided with: a unit main body 18 attached to a releasing agent spraying apparatus in a die casting machine; an annular releasing agent tube 20, in which its one end part is connected to the unit main body 18 and a releasing agent passage 19 communicatable to the oily releasing agent 13 is formed; a double spray tube part 2, in which the releasing agent tube 20 is housed in an in-tube space 21, and which has an air tube 25 formed so as to surround the outer periphery of the releasing agent tube 20 with an air passage 24 passable of press-feeding air 16 supplied from the press-feeding air supply device between the inner wall 22 and the outer wall 23 of the releasing agent tube 20 and has a double tube structure by the releasing agent tube 20 and the air tube 25; and a nozzle part 3, which is attached to another end part of the double spray tube part 2 and has a nozzle hole 26 connected to the releasing agent passage 19 and the air passage 24.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于压铸的喷雾单元,其能够在模具的内表面上喷洒少量的油性脱模剂并利用现有的设备。 解决方案:喷雾单元1设置有:在压铸机中附接到脱模剂喷射装置的单元主体18; 形成环状的脱模剂管20,其一端部与单元主体18连接,形成可与油性防粘剂13通信的脱模剂通道19。 双层喷射管部分2,其中脱模剂管20容纳在管状空间21中,并且具有形成为围绕释放剂管20的外周的空气管25,空气通道24 通过从压力供给空气供给装置供给的压力供给空气16在脱模剂管20的内壁22和外壁23之间通过,并且具有通过脱模剂管20和空气管25的双管结构; 和喷嘴部分3,其连接到双喷管部分2的另一个端部,并具有连接到脱模剂通道19和空气通道24的喷嘴孔26.版权所有(C)2006,JPO&NCIPI