KR900009177A - Outer ring forging device and constant forging method of constant velocity joint - Google Patents

Outer ring forging device and constant forging method of constant velocity joint

Info

Publication number
KR900009177A
KR900009177A KR1019880017999A KR880017999A KR900009177A KR 900009177 A KR900009177 A KR 900009177A KR 1019880017999 A KR1019880017999 A KR 1019880017999A KR 880017999 A KR880017999 A KR 880017999A KR 900009177 A KR900009177 A KR 900009177A
Authority
KR
South Korea
Prior art keywords
outer ring
punch
ring
die
mandrel
Prior art date
Application number
KR1019880017999A
Other languages
Korean (ko)
Other versions
KR910003896B1 (en
Inventor
김화중
Original Assignee
이양섭
현대자동차 주식회사
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 이양섭, 현대자동차 주식회사 filed Critical 이양섭
Priority to KR1019880017999A priority Critical patent/KR910003896B1/en
Publication of KR900009177A publication Critical patent/KR900009177A/en
Application granted granted Critical
Publication of KR910003896B1 publication Critical patent/KR910003896B1/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/02Dies or mountings therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/02Die forging; Trimming by making use of special dies ; Punching during forging
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/12Forming profiles on internal or external surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00Making machine elements
    • B21K1/76Making machine elements elements not mentioned in one of the preceding groups
    • B21K1/762Coupling members for conveying mechanical motion, e.g. universal joints
    • B21K1/765Outer elements of coupling members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

내용 없음.No content.

Description

등속(Constant Velecity)죠인트의 외륜단조 장치 및 단조방법Outer ring forging device and constant forging method of constant velocity joint

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

제1도는 본 발명에 의한 등족 죠인트의 외륜단조장치의 일실시예를 도시하는 것으로 좌측반부는 제1공정의 장치를, 우측반부는 제2공정의 장치를 도시하는 단면도.1 is a cross-sectional view showing an embodiment of the outer ring forging apparatus of the foot joint according to the present invention, the left half showing the device of the first process, the right half showing the device of the second process.

제2도는 본 발명의 제1공정 및 그 장치를 도시하는 부분 단면도.2 is a partial sectional view showing a first process of the present invention and an apparatus thereof.

제3도는 제2도의 A-A선 단면도.3 is a cross-sectional view taken along the line A-A of FIG.

Claims (2)

하단 외주면에 다수의 반원형 단면의 직선펀치돌기가 일체로 형성된 제1펀치와, 개구부측 확대돌환을 포함한 외륜의 소정외형에 상응하는 다이홈이 형성된 제1다이를 구비한 제1공정장치와, 외표면 하반부에 외륜의 구면형 내주면과 볼트랙홈과 일치하는 구면부와 구면펀치돌기가 형성되고 내면이 함부로 좁아지는 테이퍼면으로 형성되며 상단에 굴대돌기가 형성된 6조의 펀치피스와, 상기 펀치피스들을 중간부에서 탄성적으로 결속하는 탄성결속링과, 상기 굴대돌기가 삽입지지되는 하단의 굴대홈과 그 외주부에 나사부가 형성되고 상단부에는 적어도 2개 이상의 직선승강 안내홈을 보유하는 확대두부가 형성된 핀치홀더와, 상기 펀치홀더의 나사부에 체결되어 상기 굴대돌기와 굴대홈의 결합부우를 지지하는 지지링 너트와, 상기 펀치홀더의 중심공에 삽입되며 상기 펀치피스의 내부 테이퍼면에 상층하는 하단의 테이퍼부와 중심축공과 상단 정지돌환이 형성된 맨드럴과, 상기 맨드럴의 중심축공에 삽입되어 하단이 상기 펀치피스 하단에서 환출되며 상단의 나사부가 형성된 스템고, 상기 스템하단부에 고정되어 상기 펀치피스의 하단을 받치는 피스받침을 설치한 제2펀치와, 상기 외륜이 통과 할 수 있는 내경을 가진 다이공의 상단측 내주면에 상기 외륜의 확대돌혼보다 직경이 작은 수축용 돌환이 형성되고 그 하부측에는 탄성부재에 의해 그 내측선단이 상시 다이공의 내주면에서 돌출되는 다수의 스트립퍼가 설치된 제2다이를 구비한 제2공정장치로 구성됨을 특징으로 하는 등속만능이음의 외륜 단조장치.A first punching device having a first punch formed integrally with a plurality of semi-circular cross-sections on a lower outer circumferential surface thereof, a first die having a die groove corresponding to a predetermined shape of the outer ring including an enlarged opening on the opening side, Spherical inner peripheral surface of the outer ring and spherical punch projections are formed on the lower half of the outer ring and tapered surfaces narrowing the inner surface of the outer ring, and six sets of punch pieces having a mandrel at the upper end, and the punch pieces An elastic binding ring elastically bound at the middle portion, a pinch groove formed at the bottom of the mandrel groove into which the mandrel is inserted, and an enlarged head having at least two linear lifting guide grooves formed at the upper end thereof. A holder, a support ring nut fastened to a threaded portion of the punch holder to support a coupling portion of the mandrel and the mandrel groove, and a center of the punch holder. A mandrel having a lower tapered portion and a central shaft hole and an upper stop ring formed on the inner tapered surface of the punch piece, and inserted into a central shaft hole of the mandrel, the lower end of which is returned from the lower portion of the punch piece, The outer ring is enlarged on the inner circumferential surface of the upper end side of the die hole having a threaded stem, a second punch fixed to the lower end of the stem and provided with a piece bearing supporting the lower end of the punch piece, and an inner diameter through which the outer ring can pass. The second process unit is provided with a second die having a smaller diameter than the dolhorn, and a second die provided with a plurality of strippers whose inner end is always protruded from the inner circumferential surface of the die hole by the elastic member. Outer ring forging device of constant velocity universal joint. 외륜의 볼트랙홈에 상응하는 다수의 반원형 단면의 직선펀치돌기가 하부 주면에 일체로 형성된 제1펀치와 외륜의 소정외표면 형상에 상응하는 다이홈이 형성된 제1다이로써 소재, 외륜부에 내부 원주면과 다수의 반원형 단면의 직선홈을 단조성형함과 아울러 소재의 외륜부 개구단 외주면에 확대돌환을 성형하는 제1공정과, 상기 소재를 외륜의 확대돌환 직경보다 작은 내경의 수축용돌환을 가지는 제2펀치로써 밀어넣어 소재외륜부 개구단의 직경을 축소, 만곡시킴과 아울러 상기 제2펀치의 하단에 확축가능하게 설치된 6조의 펀치피스를 확장시켜 소정의 구면볼트랙홈과 구면형 내주면을 단조성형하는 제2공정으로 이루어짐을 특징으로 하는 등속(Constant Velocity)죠인트의 외륜단조 방법.As the first die formed with a first punch having a plurality of semi-circular cross-sections corresponding to the bolt rack grooves of the outer ring integrally on the lower main surface and a die groove corresponding to the predetermined outer surface shape of the outer ring, The first step of forging molding the circumferential surface and the linear groove of the plurality of semi-circular cross-section and forming an enlarged return ring on the outer circumferential surface of the open end of the outer ring portion of the material, and the shrinkage ring for the inner diameter smaller than the diameter of the expanded ring of the outer ring Branches are pushed into the second punch to reduce and bend the diameter of the outer end of the outer ring part of the material, and to expand the six sets of punch pieces that are installed at the lower end of the second punch so as to expand the predetermined spherical ball track groove and the spherical inner peripheral surface. A method for forging the outer ring of a constant velocity joint characterized in that the forging is performed in a second process. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880017999A 1988-12-30 1988-12-30 The forging apparatus & method of constant velocity joint KR910003896B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880017999A KR910003896B1 (en) 1988-12-30 1988-12-30 The forging apparatus & method of constant velocity joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880017999A KR910003896B1 (en) 1988-12-30 1988-12-30 The forging apparatus & method of constant velocity joint

Publications (2)

Publication Number Publication Date
KR900009177A true KR900009177A (en) 1990-07-02
KR910003896B1 KR910003896B1 (en) 1991-06-15

Family

ID=19281002

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880017999A KR910003896B1 (en) 1988-12-30 1988-12-30 The forging apparatus & method of constant velocity joint

Country Status (1)

Country Link
KR (1) KR910003896B1 (en)

Also Published As

Publication number Publication date
KR910003896B1 (en) 1991-06-15

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