MX2021000911A - Back-spray system and injection piston. - Google Patents

Back-spray system and injection piston.

Info

Publication number
MX2021000911A
MX2021000911A MX2021000911A MX2021000911A MX2021000911A MX 2021000911 A MX2021000911 A MX 2021000911A MX 2021000911 A MX2021000911 A MX 2021000911A MX 2021000911 A MX2021000911 A MX 2021000911A MX 2021000911 A MX2021000911 A MX 2021000911A
Authority
MX
Mexico
Prior art keywords
annular part
ejector rod
plunger tip
spray system
injection piston
Prior art date
Application number
MX2021000911A
Other languages
Spanish (es)
Inventor
Robin Bogan
Original Assignee
Moresco Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Moresco Corp filed Critical Moresco Corp
Publication of MX2021000911A publication Critical patent/MX2021000911A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/2015—Means for forcing the molten metal into the die
    • B22D17/203—Injection pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/2015—Means for forcing the molten metal into the die
    • B22D17/2038—Heating, cooling or lubricating the injection unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Nozzles (AREA)

Abstract

Provided is a back-spray system comprising an injection piston that has a plunger tip (26) and an ejector rod (24). An ejector rod hole (32) that connects a lubricant supply part and an annular part (30) positioned behind the plunger tip (24) is formed along the entire length of the ejector rod (24). A prescribed number of annular part holes (40) are formed, in the annular part (30), along the circumference of the annular part (30). The annular part holes (40) are of a size and arrangement enabling the distribution of an accurate and uniform quantity of the lubricant into a space between the plunger tip (24) and an ejector sleeve (20). A flow path having two drill holes (38) connecting to the ejector rod hole (40) is formed below the annular part (30).
MX2021000911A 2018-07-26 2019-07-23 Back-spray system and injection piston. MX2021000911A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862703564P 2018-07-26 2018-07-26
PCT/JP2019/028761 WO2020022304A1 (en) 2018-07-26 2019-07-23 Back-spray system and injection piston

Publications (1)

Publication Number Publication Date
MX2021000911A true MX2021000911A (en) 2021-03-31

Family

ID=69182083

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021000911A MX2021000911A (en) 2018-07-26 2019-07-23 Back-spray system and injection piston.

Country Status (5)

Country Link
US (1) US20210162492A1 (en)
EP (1) EP3827914A4 (en)
JP (1) JP6852227B2 (en)
MX (1) MX2021000911A (en)
WO (1) WO2020022304A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4899804A (en) * 1989-02-21 1990-02-13 Hammerer Norman L Plunger tip for cold chamber die cast machine
US5048592A (en) * 1989-10-18 1991-09-17 Allper Ag Plunger for a diecasting machine
JP2517509B2 (en) * 1992-01-30 1996-07-24 日本軽金属株式会社 Hot chamber-plunger for die casting machine injection
JPH0687060A (en) * 1992-09-10 1994-03-29 Kobe Steel Ltd Injection plunger device in die casting machine
JP2005349452A (en) * 2004-06-11 2005-12-22 Aisin Seiki Co Ltd Diecasting device
JP2010269319A (en) * 2009-05-19 2010-12-02 Masashi Katsumi Die casting device
JP5987674B2 (en) * 2012-12-19 2016-09-07 マツダ株式会社 Casting apparatus and casting method
JP6742170B2 (en) * 2016-06-24 2020-08-19 ダイハツ工業株式会社 Die casting machine plunger

Also Published As

Publication number Publication date
EP3827914A1 (en) 2021-06-02
US20210162492A1 (en) 2021-06-03
EP3827914A4 (en) 2022-01-05
JP6852227B2 (en) 2021-03-31
WO2020022304A1 (en) 2020-01-30
JPWO2020022304A1 (en) 2021-01-07

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