KR950033199A - Piston Mold - Google Patents

Piston Mold Download PDF

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Publication number
KR950033199A
KR950033199A KR1019950003520A KR19950003520A KR950033199A KR 950033199 A KR950033199 A KR 950033199A KR 1019950003520 A KR1019950003520 A KR 1019950003520A KR 19950003520 A KR19950003520 A KR 19950003520A KR 950033199 A KR950033199 A KR 950033199A
Authority
KR
South Korea
Prior art keywords
mold
type
piston
pin boss
die
Prior art date
Application number
KR1019950003520A
Other languages
Korean (ko)
Inventor
가스히로 야마다
Original Assignee
야스모로 도시오
가부시키가이샤 유니시아 젝스
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 야스모로 도시오, 가부시키가이샤 유니시아 젝스 filed Critical 야스모로 도시오
Publication of KR950033199A publication Critical patent/KR950033199A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/06—Permanent moulds for shaped castings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

핀 보스부의 절결부나 핀 구멍 개구 단부의 가공 공정수를 줄이고, 가공 정밀도를 향상시키는 피스톤용 금형을 제공하는 것을 목적으로 한다.An object of the present invention is to provide a piston die which reduces the number of machining steps at the cutout portion of the pin boss portion and the end of the pin hole opening, and improves the machining accuracy.

통형(2)의 안에 배치되는 하형(3)과, 이 하형(3)을 양쪽에서 끼우는 중형(5)과, 이들 하형(3), 중형(5)의 위에 씌워지는 상형(4)을 배설하여 성형 공간 A,B를 형성하고, 이 성형 공간 A, B에 핀 보수부(11)를 일체로 구비하는 피스폰 본체(10)를 성형하게 한 피스톤용 금형(1)에 있어서, 상기 중형(5)은 상기 하형(3)의 피스톤 축방향 양측면에 배치되고, 이 중형(5)의 핀 보스부(11)를 형성시키는 부위에, 상기 핀 보스부(11) 단면에 절결부(15)를 형성시키는 경사부(8)를 설치하며, 이 경사부(8)에 상기 핀 보스부(11) 단면에 모따기부(17)를 형성시키는 돌출부(9)를 설치하였다.The lower mold | type 3 arrange | positioned in the cylindrical mold | type 2, the heavy mold | type 5 which sandwiches this lower mold | type 3 from both sides, and the upper mold | type 4 covered on these lower mold | types 3 and the middle mold | type 5 are arrange | positioned, In the mold 1 for piston which forms shaping | molding space A, B, and shape | molded the piston phone main body 10 which integrally comprises the pin maintenance part 11 in this shaping space A, B, the said heavy mold | type (5) ) Is disposed on both side surfaces of the lower die 3 in the axial direction of the piston, and a cutout portion 15 is formed in the cross section of the pin boss portion 11 at a portion where the pin boss portion 11 of the middle die 5 is formed. The inclined portion 8 is provided, and the inclined portion 8 is provided with a protrusion 9 for forming the chamfer 17 on the end face of the pin boss portion 11.

Description

피스톤용 금형Piston Mold

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 1실시에에 있어서의 피스톤용 금형의 단면도, 제2도는 제1도의 X-X선에 따른 단면도, 제3도는 동 피스톤용 금형의 중형의 돌기의 측면도, 제4도는 내연기관을 피스톤의 성형시의 요부 단면도, 제5도는 내연기관용 피스톤의 종단면도.1 is a sectional view of a piston die according to one embodiment of the present invention, FIG. 2 is a sectional view taken along the line XX of FIG. 1, FIG. 3 is a side view of a medium projection of the piston die, and FIG. 4 is an internal combustion engine. Fig. 5 is a longitudinal sectional view of the piston for an internal combustion engine during the molding of the piston.

Claims (1)

통형의 안에 배치되는 하형과, 이 하형을 양쪽에서 끼우는 중형과 이들 하형, 중형 위에 덮히는 상형을 배설하여 성형 공간을 형성하고, 이 성형 공간에 핀 보스부를 일체로 구비하는 피스톤 본체를 성형하도록 한 피스톤용 금형에 있어서, 상기 중형은 상기 하형의 피스톤 축방향 양측면에 배치되고, 이 중형의 핀 보스부를 형성시키는 부위에, 상기 핀보스부 단면에 절결부를 형성시키는 경사부를 설치하며, 이 경사부에 상기 핀 보스부 단부에 모따기부를 형성시키는 돌출부를 설치한 것을 특징으로 하는 피스톤용 금형.The lower mold disposed in the cylinder, the middle mold sandwiching the lower mold on both sides, and the upper mold covering the lower mold and the middle mold are disposed to form a molding space, and the piston body having a pin boss portion integrally formed in the molding space is formed. In the die for piston, the middle die is disposed on both side surfaces of the lower die in the axial direction of the piston, and an inclined portion for forming a cutout in the cross section of the pin boss portion is provided at a portion for forming the pin boss portion of the middle die. And a projection for forming a chamfer at the end of the pin boss. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950003520A 1994-02-25 1995-02-23 Piston Mold KR950033199A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP94-53066 1994-02-25
JP6053066A JPH07232237A (en) 1994-02-25 1994-02-25 Die for piston

Publications (1)

Publication Number Publication Date
KR950033199A true KR950033199A (en) 1995-12-22

Family

ID=12932464

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950003520A KR950033199A (en) 1994-02-25 1995-02-23 Piston Mold

Country Status (3)

Country Link
JP (1) JPH07232237A (en)
KR (1) KR950033199A (en)
CN (1) CN1050545C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101219268B1 (en) * 2011-07-29 2013-01-09 동양피스톤 주식회사 Slide unit for producing piston and slide molding apparatus having the same
KR101281377B1 (en) * 2011-08-29 2013-07-02 동양피스톤 주식회사 Casting machine for producing piston

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1050076C (en) * 1996-08-23 2000-03-08 刘期虎 Tech. for metal muld wet sand core casting of nonferrous metal
DE19922809A1 (en) * 1999-05-19 2000-11-23 Mahle Gmbh Casting process used in the production of pistons comprises producing recesses by cores that move on deformation
CN100429400C (en) * 2003-11-17 2008-10-29 孙前程 Liquid state forging die method manufactured automobile air compressor piston and its manufacturing technology
CN100346902C (en) * 2005-03-24 2007-11-07 北京铝镁泰和铸机设备科技有限公司 Quartered core device and its application method
JP5658188B2 (en) * 2012-02-28 2015-01-21 株式会社丸山製作所 Mold for manufacturing piston and piston manufacturing method
CN102672110A (en) * 2012-06-12 2012-09-19 曲阜金皇活塞股份有限公司 Mould for light-weight piston and manufacturing process of same
DE102012022913A1 (en) * 2012-11-23 2014-05-28 Mahle International Gmbh Piston for an internal combustion engine
CN107002593B (en) * 2014-12-02 2020-01-24 日立汽车系统株式会社 Piston for internal combustion engine, and apparatus and method for manufacturing the piston
CN104550759A (en) * 2015-01-28 2015-04-29 安庆雅德帝伯活塞有限公司 Mistake-proofing cavity assembly of piston casting mould
CN105756799B (en) * 2016-01-04 2018-04-13 马勒技术投资(中国）有限公司 Comprising spill spin block and tiltedly take out the face-port structure of block and move back mould mode
CN111622858B (en) * 2019-02-28 2021-10-08 强莉莉 Reducing type steel piston forming device and forming method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101219268B1 (en) * 2011-07-29 2013-01-09 동양피스톤 주식회사 Slide unit for producing piston and slide molding apparatus having the same
KR101281377B1 (en) * 2011-08-29 2013-07-02 동양피스톤 주식회사 Casting machine for producing piston

Also Published As

Publication number Publication date
CN1118724A (en) 1996-03-20
CN1050545C (en) 2000-03-22
JPH07232237A (en) 1995-09-05

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E601 Decision to refuse application