JPS5668550A - Nonflask type vertical molding machine - Google Patents

Nonflask type vertical molding machine

Info

Publication number
JPS5668550A
JPS5668550A JP14416679A JP14416679A JPS5668550A JP S5668550 A JPS5668550 A JP S5668550A JP 14416679 A JP14416679 A JP 14416679A JP 14416679 A JP14416679 A JP 14416679A JP S5668550 A JPS5668550 A JP S5668550A
Authority
JP
Japan
Prior art keywords
casting sand
molding
hardened
sand
compressed air
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP14416679A
Other languages
Japanese (ja)
Inventor
Nagato Unosaki
Kazuharu Matsui
Shigehiro Toyoda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sintokogio Ltd
Original Assignee
Sintokogio Ltd
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 Sintokogio Ltd filed Critical Sintokogio Ltd
Priority to JP14416679A priority Critical patent/JPS5668550A/en
Publication of JPS5668550A publication Critical patent/JPS5668550A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
    • B22C15/28—Compacting by different means acting simultaneously or successively, e.g. preliminary blowing and finally pressing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Devices For Molds (AREA)

Abstract

PURPOSE:To make it possible to obtain molds having a uniform hardness, by blowing the casting sand with air in a pair of molding flask facing to each other at right and left sides, and, at the same time, by press-molding the casting sand at the surface of match plate with the compression plate after the casting sand is hardened by passing compressed air through the casting sand, so that the casting sand may fill up even the shadow part. CONSTITUTION:Molding flasks 11 and 12 are moved forward with compression plates 16 and 17, and thus a sealed space is formed between the molding flasks. Casting sand feeder 35 is lowered and its outlet is fitted to inlet 10 of molding flasks 11 and 12 with pressure through opening and shutting table 36, and casting sand is blown into the sealed space with compressed air. When compressed air is supplied to the casting sand contained in molding flasks 11 and 12 through air vents 22 and 23 of compression plates 16 and 17 by opening switching valves 28 and 29 of vertical frame 3, the casting sand is moved to the surface side of match plate 13 and hardened instantaneously. After this, the hardened casting sand is hardened furthermore by pressing the sand with compression plates 16 and 17.
JP14416679A 1979-11-07 1979-11-07 Nonflask type vertical molding machine Pending JPS5668550A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14416679A JPS5668550A (en) 1979-11-07 1979-11-07 Nonflask type vertical molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14416679A JPS5668550A (en) 1979-11-07 1979-11-07 Nonflask type vertical molding machine

Publications (1)

Publication Number Publication Date
JPS5668550A true JPS5668550A (en) 1981-06-09

Family

ID=15355727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14416679A Pending JPS5668550A (en) 1979-11-07 1979-11-07 Nonflask type vertical molding machine

Country Status (1)

Country Link
JP (1) JPS5668550A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5246058A (en) * 1990-07-27 1993-09-21 Sintokogia Ltd. Flaskless molding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5246058A (en) * 1990-07-27 1993-09-21 Sintokogia Ltd. Flaskless molding machine

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