KR101090599B1 - Spring-washer making die and spring-washer making method - Google Patents

Spring-washer making die and spring-washer making method Download PDF

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Publication number
KR101090599B1
KR101090599B1 KR1020110036402A KR20110036402A KR101090599B1 KR 101090599 B1 KR101090599 B1 KR 101090599B1 KR 1020110036402 A KR1020110036402 A KR 1020110036402A KR 20110036402 A KR20110036402 A KR 20110036402A KR 101090599 B1 KR101090599 B1 KR 101090599B1
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South Korea
Prior art keywords
punch
hole
workpiece
upper mold
spring washer
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KR1020110036402A
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Korean (ko)
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홍성표
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홍성표
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/14—Dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/06—Making more than one part out of the same blank; Scrapless working
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/08—Dies with different parts for several steps in a process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/16—Making other particular articles rings, e.g. barrel hoops
    • B21D53/20—Making other particular articles rings, e.g. barrel hoops washers, e.g. for sealing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)

Abstract

PURPOSE: A spring-washer making die and a method for making a spring-washer using the same are provided to reduce failure rate by excluding heat treatment, thereby saving time and cost. CONSTITUTION: A spring-washer making die comprises an upper die(100) and a lower die. The upper die comprises a first punch part for punching a first punch hole in a specimen, a second punch part for forming front and rear peripheral parts of a spring washer around the first punch hole, a first pressing part for pressing the specimen so that the first punch hole surface is raised to form an upper part of the spring washer, a second pressing part for pressing down the raised upper part of the spring washer, and a third punch part for cutting the connection part between the specimen and the spring washer in order to cut out the spring washer from the specimen. The lower die comprises a first punch hole part, a second punch hole part, a third punch hole part, a first contact part, and a second contact part.

Description

스프링 와셔 제조 금형 및 이를 이용한 스프링 와셔 제조 방법{Spring-Washer Making Die and Spring-Washer Making Method}Spring washer manufacturing mold and spring washer manufacturing method {Spring-Washer Making Die and Spring-Washer Making Method}

본 발명은 변형이 발생하지 않는 스프링 와셔를 제조하는 제조 금형 및 이를 이용한 스프링 와셔 제조방법에 관한 것이다. The present invention relates to a manufacturing mold for producing a spring washer does not occur deformation and a spring washer manufacturing method using the same.

일반적으로 스프링 와셔는 탄성을 이용하여 진동을 흡수하는데 사용된다.Generally, spring washers are used to absorb vibrations using elasticity.

이러한 종래의 스프링 와셔는 연성의 판을 이용하여 가공된 후, 열처리 됨으로써, 충분한 탄성 및 강도를 가지게 된다.This conventional spring washer is processed using a flexible plate, and then heat treated, thereby having sufficient elasticity and strength.

하지만 상기 종래의 스프링 와셔는 가공 후 열처리하는 과정에서 많은 열변형이 일어나며, 이로 인해 최초에 설계된 치수에서 벗어나는 일이 빈번히 발생하였다.However, the conventional spring washer has a lot of heat deformation in the process of heat treatment after processing, which is a frequent deviation from the originally designed dimensions.

따라서 상기 종래의 스프링 와셔는 불량품이 많이 발생하였으며, 이로 인해 많은 시간과 불필요한 비용이 많이 소요되었다.Therefore, the conventional spring washer has a lot of defective products, due to which a lot of time and unnecessary costs are required.

그리하여 최근 들어 가공 후 열처리에 따른 변형이 발생하지 않으며, 충분한 탄성 및 강도를 갖는 스프링 와셔를 제조하는 금형 및 이를 이용한 스프링 와셔의 제조방법의 개발 필요성이 꾸준히 제기되고 있는 실정이다.Therefore, in recent years, deformation does not occur after the heat treatment after processing, and the situation for the development of a mold for manufacturing a spring washer having a sufficient elasticity and strength and a method for manufacturing a spring washer using the same has been steadily raised.

본 발명은 상기와 같은 필요성에 의해 발명된 것으로, 설계치를 벗어나지 않는 스프링 와셔를 제조함으로써, 많은 시간과 비용을 절약할 수 있는 스프링 와셔를 제조하는 제조 금형 및 이를 이용한 스프링 와셔 제조방법을 제공하는 것을 해결하려는 과제로 한다.The present invention has been invented by the necessity as described above, by manufacturing a spring washer does not deviate from the design value, to provide a manufacturing mold for manufacturing a spring washer that can save a lot of time and cost, and to provide a spring washer manufacturing method using the same. Let's solve the problem.

상기와 같은 과제를 해결하기 위한 본 발명은, 제1펀칭홀이 형성되도록 피가공물을 펀칭하는 제1펀치부; 제1펀칭홀의 둘레부로 스프링 와셔의 전방 외경부 및 후방 외경부가 형성되도록, 피가공물을 펀칭하는 제2펀치부; 제1펀칭홀을 이루는 면이 상부로 돌출되어, 스프링 와셔의 상부를 이루도록 피가공물을 가압하는 제1가압부; 돌출된 스프링 와셔의 상부를 하방으로 가압하는 제2가압부; 피가공물로부터 스프링 와셔가 절단되도록, 피가공물과 스프링 와셔의 연결부를 절단하는 제3펀치부를 갖추고서, 프레스에 의해 상하 이동되는 상부금형,The present invention for solving the above problems, the first punching portion for punching the workpiece to form a first punching hole; A second punching portion for punching the workpiece such that a front outer diameter portion and a rear outer diameter portion of the spring washer are formed around the first punching hole; A first pressurizing portion protruding upward from a surface forming the first punching hole to press the workpiece to form an upper portion of the spring washer; A second pressing unit which presses the upper portion of the protruding spring washer downwardly; An upper mold which is moved up and down by a press, having a third punch portion for cutting the connection portion between the workpiece and the spring washer so that the spring washer is cut from the workpiece;

제1펀치부와 맞대어져, 피가공물에 제1펀칭홀이 형성되도록 하는 제1펀치홀부; 제2펀치부와 맞대어져, 스프링 와셔의 전방 외경부 및 후방 외경부가 형성되도록 하는 제2펀치홀부; 제1가압부와 맞대어져, 제1펀칭홀을 이루는 면이 상부로 돌출되어 스프링 와셔의 상부를 이루도록 하는 제1접촉부; 제2가압부와 맞대어져, 돌출된 스프링 와셔의 상부를 하방으로 가압하는 제2접촉부; 제3펀치부와 맞대어져, 피가공물과 스프링 와셔의 연결부가 절단되도록 하는 제3펀치홀부를 갖춘 하부금형을 포함하는 것을 특징으로 한다.A first punch hole portion facing the first punch portion to form a first punching hole in the workpiece; A second punch hole portion facing the second punch portion to form a front outer diameter portion and a rear outer diameter portion of the spring washer; A first contact portion which is in contact with the first pressing portion, the surface forming the first punching hole protrudes upward to form an upper portion of the spring washer; A second contact portion which is opposed to the second pressing portion and presses the upper portion of the protruding spring washer downwardly; And a lower mold having a third punch hole portion which is in contact with the third punch portion to allow the connection between the workpiece and the spring washer to be cut.

상기와 같은 본 발명에 따르면, 별도의 열처리 과정이 필요 없어, 열처리 과정에 의한 최초 설계치가 변하지 않는다. 따라서 불량품이 현저히 줄어들어, 많은 시간과 비용을 절약할 수 있으며, 작업 공정 또한 단순화시킬 수 있는 효과가 있다.According to the present invention as described above, there is no need for a separate heat treatment process, the initial design value by the heat treatment process does not change. As a result, the number of defective products is significantly reduced, which saves a lot of time and money, and the work process can be simplified.

도 1은 본 발명을 개략적으로 나타낸 개략도이고,
도 2는 본 발명에 따른 상판금형의 하면을 나타낸 도면이고,
도 3은 본 발명에 따른 하판금형의 상면을 나타낸 도면이고,
도 4는 본 발명에 따른 상판금형의 하면을 나타낸 이미지 도면이고,
도 5은 본 발명에 따른 하판금형의 상면을 나타낸 이미지 도면이고,
도 6은 본 발명에 따른 하판금형의 하면을 나타낸 이미지 도면이고,
도 7 및 도 8은 본 발명의 제조 방법을 설명하기 위한 도면이다.1 is a schematic diagram schematically showing the present invention,
2 is a view showing the lower surface of the upper mold according to the present invention,
3 is a view showing the upper surface of the lower plate mold according to the present invention,
4 is an image view showing a lower surface of the upper mold according to the present invention,
5 is an image view showing the upper surface of the lower plate mold according to the present invention,
6 is an image view showing a lower surface of the lower plate mold according to the present invention,
7 and 8 are views for explaining the manufacturing method of the present invention.

이하 첨부도면에 의거하여 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명을 개략적으로 나타낸 개략도이고, 도 2는 본 발명에 따른 상판금형의 하면을 나타낸 도면이고, 도 3은 본 발명에 따른 하판금형의 상면을 나타낸 도면이고, 도 4는 본 발명에 따른 상판금형의 하면을 나타낸 이미지 도면이고, 도 5은 본 발명에 따른 하판금형의 상면을 나타낸 이미지 도면이고, 도 6은 본 발명에 따른 하판금형의 하면을 나타낸 이미지 도면으로서, 도 1 내지 도 6을 참조하여, 본 발명에 따른 스프링 와셔 제조 금형의 구조적 특징을 설명하면 다음과 같다. 1 is a schematic view showing the present invention, Figure 2 is a view showing the lower surface of the upper mold according to the invention, Figure 3 is a view showing the upper surface of the lower mold according to the invention, Figure 4 is a present invention 5 is an image view showing a bottom surface of the upper mold according to the present invention, FIG. 5 is an image view showing an upper surface of the lower plate mold according to the present invention, and FIG. 6 is an image view showing a bottom surface of the lower plate mold according to the present invention. Referring to the structural features of the spring washer manufacturing mold according to the present invention.

본 발명의 스프링 와셔 제조 금형은 프레스에 의해 승강하는 블록 형상의 상부금형(100)과, 상부금형(100)의 하부에 배치되는 블록 형상의 하부금형(200)을 포함한다. The spring washer manufacturing mold of the present invention includes a block-shaped upper mold 100 which is lifted by a press, and a block-shaped lower mold 200 disposed below the upper mold 100.

상기 상부금형(100)은 하부에 길이방향을 따라 순차적으로 형성되는 제1~3펀치부(110~130)와, 하부 둘레부를 따라 형성되는 제4펀치부(140)와, 제2펀치부(120)와 제3펀치부(130) 사이에 길이방향을 따라 순차적으로 형성되는 제1,2가압부(150,160)를 갖춘다. The upper mold 100 has a first to third punch portion 110 to 130 are formed sequentially in the lower portion in the longitudinal direction, the fourth punch portion 140 formed along the lower circumference and the second punch portion ( The first and second pressing parts 150 and 160 are sequentially formed in the longitudinal direction between the 120 and the third punch part 130.

상기 제1펀치부(110)는, 중심부에 원기둥 형상의 제1돌출부(111)가 하부로 돌출되며, 하부로 돌출된 6개의 제2돌출부(112)가 제1돌출부(111)를 중심으로 방사형으로 형성된다. 이때 제2돌출부(112)는 외측으로 갈 수록 폭이 넓어지며, 선단부가 라운드 진다.The first punch part 110 has a cylindrical first protrusion 111 protruding downward in a central portion thereof, and six second protrusions 112 protruding downwardly are radial with respect to the first protrusion 111. Is formed. At this time, the second protrusion 112 is wider toward the outside, the front end is rounded.

상기 제2펀치부(120)는, 제1펀치부(110)에 이웃되게 형성되며, 스프링 와셔 의 외경이 형성되도록, 하방으로 개구된 펀치홈(121)이 형성된다. 이때 펀치홈(121)은 내측으로 라운드 지며, 라운드 면에는 상호 대향되는 다수의 요홈이 형성된다.The second punch part 120 is formed to be adjacent to the first punch part 110, and the punch groove 121 is opened downward to form the outer diameter of the spring washer. In this case, the punch groove 121 is rounded inward, and a plurality of grooves are formed on the round surface to face each other.

상기 제3펀치부(130)는, 제2펀치부(120)에 이웃되게 형성되며, 피가공물(P)로부터 스프링 와셔가 절단되도록 피가공물(P)에 연결된 스프링 와셔를 절단한다. 이때 제3펀치부(130)는 하방으로 개구된 두 개의 사각홈(131)이 상호 대향되며, 두 개의 사각홈(131)은 제3펀치부(130)의 전후방에 배치된다. The third punch unit 130 is formed adjacent to the second punch unit 120, and cuts the spring washer connected to the workpiece (P) so that the spring washer is cut from the workpiece (P). At this time, the third punching unit 130 is opposed to the two square grooves 131 opened downward, the two square grooves 131 are disposed in front and rear of the third punching unit 130.

상기 제4펀치부(140)는, 다수 개가 상부금형(100)의 저면 둘레부를 따라 일정간격으로 형성된다.A plurality of the fourth punch parts 140 are formed at predetermined intervals along the bottom circumference of the upper mold 100.

상기 제1가압부(150)는, 전체적으로 상방으로 라운드 진 돔 형상의 홈을 이뤄, 제2펀치부(120)와 제3펀치부(130) 사이에 배치되며, 중앙부에 원형의 돌기(151)가 하부로 돌출되어, 가압시 스프링 와셔가 상부로 볼록하게 돌출되도록 한다.The first pressing part 150 is formed between the second punch part 120 and the third punch part 130 to form a dome-shaped groove that is rounded upwards as a whole, and a circular protrusion 151 in the center portion thereof. Is projected downward, so that the spring washer protrudes upward when pressed.

상기 제2가압부(160)는, 전체적으로 상부로 라운드 진 돔 형상의 홈을 이루며, 중심부에 원형판(161)이 형성된다. 그리고 제2가압부(160)는 돔 형상의 라운드 면에 방사형으로 배치되는 6개의 관통홀(162)이 형성되며, 원형판(161)의 중심부에 원형홀(163)이 형성된다.The second pressing unit 160 is a dome-shaped groove rounded upwards as a whole, the circular plate 161 is formed in the center. In addition, six second through holes 162 are radially disposed on the dome-shaped round surface, and the second press unit 160 is formed in the center of the circular plate 161.

상기 하부금형(200)은, 상부금형(100)의 제1펀치부(110)와 맞대어지는 제1펀치홀부(210)과, 상부금형(100)의 제2펀치부(120)와 맞대어지는 제2펀치홀부(220)과, 상부금형(100)의 제3펀치부(130)와 맞대어지는 제3펀치홀부(230)와, 상부금형(200)의 제4펀치부(140)와 맞대어지는 제4펀치홀부(240)와, 상부금형(200)의 제1가압부(150)와 맞대어지는 제1접촉부(250)와, 상부금형(200)의 제2가압부(160)와 맞대어지는 제2접촉부(260)를 갖춘다.The lower mold 200 may include a first punch hole 210 facing the first punch part 110 of the upper mold 100 and a second punch part 120 of the upper mold 100. The second punch hole 220, the third punch hole 230 facing the third punch part 130 of the upper mold 100, and the fourth punching part 140 abutting the upper mold 200. 4 punch hole portion 240, the first contact portion 250 abuts with the first pressing portion 150 of the upper mold 200, the second pressing portion 160 abuts with the second pressing portion 160 of the upper mold 200 With contact 260.

상기 제1펀치홀부(210)는, 상부금형(100)의 제1돌출부(111) 및 제2돌출부(112)가 삽입되는 관통홀(211)이 형성된다.The first punch hole 210 has a through hole 211 into which the first protrusion 111 and the second protrusion 112 of the upper mold 100 are inserted.

상기 제2펀치홀부(220)는, 상부금형 제2펀치부(120)의 관통홀(121)과 맞대어지는 관통홀(221)이 형성된다.The second punch hole part 220 has a through hole 221 which is in contact with the through hole 121 of the upper mold second punch part 120.

상기 제3펀치홀부(230)는, 상부금형(100)의 제3펀치부(130)가 삽입되는 관통홀(231)이 형성된다.The third punch hole part 230 has a through hole 231 into which the third punch part 130 of the upper mold 100 is inserted.

상기 제4펀치홀부(240)는, 상부금형(100)의 제4펀치부(140)가 삽입되는 관통홀(241)이 형성된다.The fourth punch hole part 240 has a through hole 241 into which the fourth punch part 140 of the upper mold 100 is inserted.

상기 제1접촉부(250)는, 상방으로 돌출된 돌출부(251)를 갖추고서, 상부금형(100)의 제1가압부(150)와 맞대어진다. 이때 돌출부(251)는 둘레부가 라운드 진다.The first contact portion 250 is provided with a protrusion 251 protruding upward, and abuts against the first pressing portion 150 of the upper mold 100. At this time, the protrusion 251 is rounded around the circumference.

상기 제2접촉부(260)는, 상방으로 돌출된 돌출부(261)를 갖추고서, 상부금형(100)의 제2가압부(250)와 맞대어진다. 이때 돌출부(261)는 원기둥 형상을 이룬다.The second contact portion 260 is provided with a protrusion 261 protruding upward, and abuts against the second pressing portion 250 of the upper mold 100. At this time, the protrusion 261 forms a cylindrical shape.

한편 본 실시예에서는 상부금형(100)과 하부금형(200) 사이에 설치되어, 상부금형(100)을 상방으로 탄발지지하는 탄성체(미도시)가 구비되어, 상부금형(100)과 하부금형(200)의 작동이 원활히 이루어지도록 할 수 있다.
Meanwhile, in the present embodiment, an elastic body (not shown) is installed between the upper mold 100 and the lower mold 200 to support the upper mold 100 upwardly, and the upper mold 100 and the lower mold ( The operation of 200 may be performed smoothly.

이하 도 7 및 도 8을 참고하여, 본 발명이 이루어지는 단계를 설명하면 다음과 같다.7 and 8, the steps of the present invention will be described as follows.

(1) 피가공물 투입단계(1) Workpiece input step

우선 작업자는 별도의 공급기(SP)를 통해 판상의 피가공물(P)을 하부금형(200)으로 공급한다.First, the worker supplies the plate-shaped workpiece P to the lower mold 200 through a separate feeder SP.

그러면 상기 피가공물(P)은 하부금형(200)의 상면을 따라 이동한다.
Then, the workpiece (P) is moved along the upper surface of the lower mold (200).

(2) 피가공물 제1펀칭단계(2) First punching step

이때 상부금형(100)은 프레스(PR)에 의해 가압되어 하부금형과 맞닿고, 이와 동시에 상부금형(100)의 제1펀치부(110)는 도 7(a)과 같이 피가공물(P)에 제1펀칭홀(P1)이 형성되고, 피가공물(P)의 둘레부에 제2펀칭홀(P2)이 형성된다.
At this time, the upper mold 100 is pressed by the press (PR) and abuts the lower mold, and at the same time the first punch portion 110 of the upper mold 100 to the workpiece (P) as shown in FIG. The first punching hole P1 is formed, and the second punching hole P2 is formed at the periphery of the workpiece P.

(3) 피가공물 제2펀칭단계(3) Second punching step

계속해서 상기 피가공물(P)은 진행방향으로 이동하고, 이때 상부금형(100)은 프레스(PR)에 의해 가압되어, 상부금형(100)의 제2펀치부(120)가 도 7(b)와 같이 스프링 와셔의 전방 외경부(P3)가 형성되도록 펀칭한다.
Subsequently, the workpiece P moves in the advancing direction. At this time, the upper mold 100 is pressed by the press PR so that the second punch portion 120 of the upper mold 100 is shown in FIG. 7 (b). As such, the front outer diameter portion P3 of the spring washer is punched out to be formed.

(4) 피가공물 제3펀칭단계(4) third punching step

이후 상기 피가공물(P)은 진행방향으로 이동하고, 이때 상부금형(100)은 프레스(PR)에 의해 가압되어, 상부금형(100)의 제2펀치부(140)가 도 7(c)와 같이 스프링 와셔의 후방 외경부(P4)를 형성하도록 펀칭한다.
Thereafter, the workpiece P moves in the advancing direction, and the upper mold 100 is pressed by the press PR, so that the second punch part 140 of the upper mold 100 is shown in FIG. As such, the punch is formed to form the rear outer diameter portion P4 of the spring washer.

(5) 피가공물 제1가압단계(5) Workpiece first pressing step

이때 상기 피가공물(P)은 진행방향으로 계속적으로 이동하고, 상부금형(100)은 프레스(PR)에 의해 가압되고, 상부금형(100)의 제1가압부(150)는 도 7(d)와 같이 스프링 와셔의 중심부가 상방으로 돌출되도록 가압한다.
At this time, the workpiece (P) is continuously moved in the advancing direction, the upper mold 100 is pressed by the press (PR), the first pressing portion 150 of the upper mold 100 is shown in FIG. As described above, the center of the spring washer is pressurized to protrude upward.

(6) 피가공물 제2가압단계(6) the second pressing step of the workpiece

계속해서 상기 피가공물(P)은 진행방향으로 이동하고, 이때 상부금형(100)은 프레스(PR)에 의해 가압되고, 상부금형(100)의 제2가압부(160)는 도 7(e)와 같이 상방으로 돌출된 중심부를 하방으로 가압한다.
Subsequently, the workpiece P moves in the advancing direction. At this time, the upper mold 100 is pressed by the press PR, and the second pressing part 160 of the upper mold 100 is shown in FIG. Press the central portion projecting upward as shown below.

(7) 피가공물 제4펀칭단계(7) fourth punching step

이후 상기 피가공물(P)은 진행방향으로 계속적으로 이동하고, 이때 상부금형(100)은 프레스(PR)에 의해 가압되어, 상부금형(100)의 제3펀치부(130)는 도 7(f)와 같이 스프링 와셔가 완성되도록 피가공물(P)과 스프링 와셔의 연결부(P5)를 절단한다.Thereafter, the workpiece P is continuously moved in the advancing direction. At this time, the upper mold 100 is pressed by the press PR, and the third punch part 130 of the upper mold 100 is shown in FIG. 7 (f). Cut the workpiece (P) and the connection part (P5) of the spring washer so that the spring washer is completed.

이때 도 8과 같이 완성된 스프링 와셔는, 상부금형 제3펀치부(130)의 가압부에 의해 하부금형 제3펀치홀부(230)의 관통홀(231)을 통해 하방으로 이동하여 수집된다.
In this case, the spring washer as shown in FIG. 8 is collected by moving downwardly through the through hole 231 of the lower mold third punch hole 230 by the pressing portion of the upper mold third puncher 130.

100; 상부금형 110; 제1펀치부
120; 제2펀치부 130; 제3펀치부
140; 제4펀치부 150; 제1가압부
160; 제2가압부 200; 하부금형
210; 제1펀치홀부 220; 제2펀치홀부
230; 제3펀치홀부 240; 제4펀치홀부
250; 제1접촉부 260; 제2접촉부100; Upper mold 110; First Punch Department
120; A second punch unit 130; Third Punch Department
140; A fourth punch unit 150; First pressure part
160; A second pressing unit 200; Bottom mold
210; First punch hole 220; Second Punch Hole
230; The third punch hole portion 240; 4th Punch Hole
250; First contact portion 260; 2nd contact part

Claims (5)

삭제delete 삭제delete 제1펀칭홀(P1)이 형성되도록 피가공물(P)을 펀칭하는 제1펀치부(110); 제1펀칭홀(P1)의 둘레부로 스프링 와셔의 전방 외경부(P3) 및 후방 외경부(P4)가 형성되도록, 피가공물(P)을 펀칭하는 제2펀치부(120); 제1펀칭홀(P1)을 이루는 면이 상부로 돌출되어, 스프링 와셔의 상부를 이루도록 피가공물(P)을 가압하는 제1가압부(150); 돌출된 스프링 와셔의 상부를 하방으로 가압하는 제2가압부(160); 피가공물(P)로부터 스프링 와셔가 절단되도록, 피가공물(P)과 스프링 와셔의 연결부(P5)를 절단하는 제3펀치부(130)를 갖추고서, 프레스(PR)에 의해 상하 이동되는 상부금형(100),
제1펀치부(110)와 맞대어져, 피가공물(P)에 제1펀칭홀(P1)이 형성되도록 하는 제1펀치홀부(210); 제2펀치부(120)와 맞대어져, 스프링 와셔의 전방 외경부(P3) 및 후방 외경부(P4)가 형성되도록 하는 제2펀치홀부(220); 제1가압부(150)와 맞대어져, 제1펀칭홀(P1)을 이루는 면이 상부로 돌출되어 스프링 와셔의 상부를 이루도록 하는 제1접촉부(250); 제2가압부(160)와 맞대어져, 돌출된 스프링 와셔의 상부를 하방으로 가압하는 제2접촉부(260); 제3펀치부(130)와 맞대어져, 피가공물(P)과 스프링 와셔의 연결부(P5)가 절단되도록 하는 제3펀치홀부(240)를 갖춘 하부금형(200)을 포함하되,

상기 제1펀치부(110)는, 중심부에 원기둥 형상의 제1돌출부(111)가 하부로 돌출되며, 하부로 돌출된 6개의 제2돌출부(112)가 제1돌출부(111)를 중심으로 방사형으로 형성되고,
제2펀치부(120)는, 제1펀치부(110)에 이웃되게 형성되며, 내측으로 라운드 지며, 라운드 면에는 상호 대향되는 다수의 요홈이 형성되어, 스프링 와셔의 외경이 형성되도록 하며,
제1가압부(150)는, 전체적으로 상방으로 라운드 진 돔 형상의 홈을 이뤄, 제2펀치부(120)와 제3펀치부(130) 사이에 배치되며, 중앙부에 원형의 돌기(151)가 하부로 돌출되고,
제2가압부(160)는, 전체적으로 상부로 라운드 진 돔 형상의 홈을 이루며, 중심부에 원형판(161)이 형성되되, 돔 형상의 라운드 면에 방사형으로 배치되는 6개의 관통홀(162)이 형성되며, 원형판(161)의 중심부에 원형홀(163)이 형성되며,
제3펀치부(130)는, 제2펀치부(120)에 이웃되게 형성되며, 하방으로 개구되어 상호 대향되는 두 개의 사각홈(131)이 제3펀치부(130)의 전후방에 배치되는 한편,
상기 제1펀치홀부(210)는, 상부금형(100)의 제1돌출부(111) 및 제2돌출부(112)가 삽입되는 관통홀(211)이 형성되고,
제2펀치홀부(220)는, 상부금형 제2펀치부(120)의 관통홀(121)과 맞대어지는 관통홀(221)이 형성되며,
제1접촉부(250)는, 둘레부가 라운드 져 상방으로 돌출된 돌출부(251)를 갖추고서, 상부금형(100)의 제1가압부(150)와 맞대어지고,
제2접촉부(260)는, 원기둥 형상을 이뤄 상방으로 돌출된 돌출부(261)를 갖추고서, 상부금형(100)의 제2가압부(250)와 맞대어지며,
제3펀치홀부(230)는, 상부금형(100)의 제3펀치부(130)가 삽입되는 관통홀(231)이 형성되는 것을 특징으로 하는 스프링 와셔 제조 금형.

A first punching part 110 for punching the workpiece P such that the first punching hole P1 is formed; A second punch portion 120 for punching the workpiece P such that the front outer diameter portion P3 and the rear outer diameter portion P4 of the spring washer are formed around the first punching hole P1; A first pressing part 150 protruding upward from the surface forming the first punching hole P1 to press the workpiece P to form an upper portion of the spring washer; A second pressing unit 160 which presses the upper part of the protruding spring washer downwardly; An upper mold provided with a third punch portion 130 for cutting the connection portion P5 of the workpiece P and the spring washer so that the spring washer is cut from the workpiece P, and moved up and down by the press PR. 100,
A first punch hole 210 which is opposed to the first punch part 110 to form a first punching hole P1 in the workpiece P; A second punch hole portion 220 which is opposed to the second punch portion 120 to form a front outer diameter portion P3 and a rear outer diameter portion P4 of the spring washer; A first contact part 250 which is in contact with the first pressing part 150 to protrude upward to form a surface of the first punching hole P1 to form an upper portion of the spring washer; A second contact portion 260 that is opposed to the second pressing portion 160 and presses the upper portion of the protruding spring washer downward; Including a lower mold 200 with the third punch hole portion 240 to be in contact with the third punch portion 130, the cutting portion (P) of the workpiece (P) and the spring washer,

The first punch part 110 has a cylindrical first protrusion 111 protruding downward in a central portion thereof, and six second protrusions 112 protruding downwardly are radial with respect to the first protrusion 111. Formed into,
The second punch part 120 is formed adjacent to the first punch part 110, is rounded inward, a plurality of grooves are formed on the round face to face each other, so that the outer diameter of the spring washer is formed,
The first pressing part 150 is formed as a dome-shaped groove that is rounded upward as a whole, and is disposed between the second punch part 120 and the third punch part 130, and a circular protrusion 151 is formed at the center thereof. Protrudes to the bottom,
The second pressing unit 160 has a dome-shaped groove that is rounded upwards as a whole, and a circular plate 161 is formed at a central portion thereof, and six through holes 162 are formed radially on the dome-shaped round surface. The circular hole 163 is formed in the center of the circular plate 161,
The third punch part 130 is formed to be adjacent to the second punch part 120, and two rectangular grooves 131 opened downward to face each other are disposed in front and rear of the third punch part 130. ,
The first punch hole 210 is formed with a through hole 211 into which the first protrusion 111 and the second protrusion 112 of the upper mold 100 are inserted.
The second punch hole part 220 is formed with a through hole 221 which is in contact with the through hole 121 of the upper mold second punch part 120,
The first contact portion 250 is provided with a protruding portion 251 having a circumferential portion protruding upward, and abuts against the first pressing portion 150 of the upper mold 100,
The second contact portion 260 has a cylindrical shape and includes a protrusion 261 protruding upward, and faces the second pressing portion 250 of the upper mold 100.
The third punch hole part 230, the spring washer manufacturing mold, characterized in that the through-hole 231 is formed is inserted into the third punch 130 of the upper mold (100).

피가공물(P)이 공급기(SP)를 통해 하부금형(200)으로 공급되는 피가공물 투입단계;
상부금형(100)은 프레스(PR)에 의해 가압되어 하부금형과 맞닿고, 이와 동시에 상부금형(100)의 제1펀치부(110)는 피가공물(P)에 제1펀칭홀(P1)을 형성하는 피가공물 제1펀칭단계;
피가공물(P)은 진행방향으로 이동하고, 상부금형(100)은 프레스(PR)에 의해 가압되어, 상부금형(100)의 제2펀치부(120)가 스프링 와셔의 전방 외경부(P3)가 형성되도록 피가공물(P)을 펀칭하는 피가공물 제2펀칭단계;
피가공물(P)은 진행방향으로 이동하고, 상부금형(100)은 프레스(PR)에 의해 가압되어, 상부금형(100)의 제2펀치부(140)가 스프링 와셔의 후방 외경부(P4)를 형성하도록 피가공물(P)을 펀칭하는 피가공물 제3펀칭단계;
피가공물(P)은 진행방향으로 계속적으로 이동하고, 상부금형(100)은 프레스(PR)에 의해 가압되고, 상부금형(100)의 제1가압부(150)는 스프링 와셔의 중심부가 상방으로 돌출되도록 가압하는 피가공물 제1가압단계;
피가공물(P)은 진행방향으로 이동하고, 상부금형(100)은 프레스(PR)에 의해 가압되고, 상부금형(100)의 제2가압부(160)는 상방으로 돌출된 중심부를 하방으로 가압하는 피가공물 제2가압단계;
피가공물(P)은 진행방향으로 계속적으로 이동하고, 상부금형(100)은 프레스(PR)에 의해 가압되어, 상부금형(100)의 제3펀치부(130)는 스프링 와셔가 완성되도록 피가공물(P)과 스프링 와셔의 연결부(P5)를 절단하는 피가공물 제4펀칭단계를 포함하되,

상기 제1펀치부(110)는, 중심부에 원기둥 형상의 제1돌출부(111)가 하부로 돌출되며, 하부로 돌출된 6개의 제2돌출부(112)가 제1돌출부(111)를 중심으로 방사형으로 형성되고,
제2펀치부(120)는, 제1펀치부(110)에 이웃되게 형성되며, 내측으로 라운드 지며, 라운드 면에는 상호 대향되는 다수의 요홈이 형성되어, 스프링 와셔의 외경이 형성되도록 하며,
제1가압부(150)는, 전체적으로 상방으로 라운드 진 돔 형상의 홈을 이뤄, 제2펀치부(120)와 제3펀치부(130) 사이에 배치되며, 중앙부에 원형의 돌기(151)가 하부로 돌출되고,
제2가압부(160)는, 전체적으로 상부로 라운드 진 돔 형상의 홈을 이루며, 중심부에 원형판(161)이 형성되되, 돔 형상의 라운드 면에 방사형으로 배치되는 6개의 관통홀(162)이 형성되며, 원형판(161)의 중심부에 원형홀(163)이 형성되며,
제3펀치부(130)는, 제2펀치부(120)에 이웃되게 형성되며, 하방으로 개구되어 상호 대향되는 두 개의 사각홈(131)이 제3펀치부(130)의 전후방에 배치되는 한편,
상기 제1펀치홀부(210)는, 상부금형(100)의 제1돌출부(111) 및 제2돌출부(112)가 삽입되는 관통홀(211)이 형성되고,
제2펀치홀부(220)는, 상부금형 제2펀치부(120)의 관통홀(121)과 맞대어지는 관통홀(221)이 형성되며,
제1접촉부(250)는, 둘레부가 라운드 져 상방으로 돌출된 돌출부(251)를 갖추고서, 상부금형(100)의 제1가압부(150)와 맞대어지고,
제2접촉부(260)는, 원기둥 형상을 이뤄 상방으로 돌출된 돌출부(261)를 갖추고서, 상부금형(100)의 제2가압부(250)와 맞대어지며,
제3펀치홀부(230)는, 상부금형(100)의 제3펀치부(130)가 삽입되는 관통홀(231)이 형성되는 것을 특징으로 하는 스프링 와셔 제조 방법.
A workpiece input step in which the workpiece P is supplied to the lower mold 200 through the feeder SP;
The upper mold 100 is pressed by the press PR to contact the lower mold, and at the same time, the first punch part 110 of the upper mold 100 makes the first punching hole P1 into the workpiece P. A first punching step of forming a work piece;
The workpiece P moves in the advancing direction, and the upper mold 100 is pressed by the press PR, so that the second punch portion 120 of the upper mold 100 is the front outer diameter portion P3 of the spring washer. A second punching step of punching the workpiece P such that the workpiece is formed;
The workpiece P moves in the advancing direction, and the upper mold 100 is pressed by the press PR so that the second punch portion 140 of the upper mold 100 is the rear outer diameter portion P4 of the spring washer. Punching the work piece P to form a third work piece;
The workpiece P is continuously moved in the advancing direction, the upper mold 100 is pressed by the press PR, and the first pressing part 150 of the upper mold 100 has the center of the spring washer upward. A first pressing step of the workpiece to press to protrude;
The workpiece P moves in the advancing direction, the upper mold 100 is pressurized by the press PR, and the second pressing part 160 of the upper mold 100 presses the central portion projecting upward. A second pressing step of the workpiece;
The workpiece P is continuously moved in the advancing direction, and the upper mold 100 is pressed by the press PR, so that the third punch portion 130 of the upper mold 100 has a spring washer completed. A fourth punching step of cutting the workpiece (P) and the connection part P5 of the spring washer;

The first punch part 110 has a cylindrical first protrusion 111 protruding downward in a central portion thereof, and six second protrusions 112 protruding downwardly are radial with respect to the first protrusion 111. Formed into,
The second punch part 120 is formed adjacent to the first punch part 110, is rounded inward, a plurality of grooves are formed on the round face to face each other, so that the outer diameter of the spring washer is formed,
The first pressing part 150 is formed as a dome-shaped groove that is rounded upward as a whole, and is disposed between the second punch part 120 and the third punch part 130, and a circular protrusion 151 is formed at the center thereof. Protrudes to the bottom,
The second pressing unit 160 has a dome-shaped groove that is rounded upwards as a whole, and a circular plate 161 is formed at a central portion thereof, and six through holes 162 are formed radially on the dome-shaped round surface. The circular hole 163 is formed in the center of the circular plate 161,
The third punch part 130 is formed to be adjacent to the second punch part 120, and two rectangular grooves 131 opened downward to face each other are disposed in front and rear of the third punch part 130. ,
The first punch hole 210 is formed with a through hole 211 into which the first protrusion 111 and the second protrusion 112 of the upper mold 100 are inserted.
The second punch hole part 220 is formed with a through hole 221 which is in contact with the through hole 121 of the upper mold second punch part 120,
The first contact portion 250 is provided with a protruding portion 251 having a circumferential portion protruding upward, and abuts against the first pressing portion 150 of the upper mold 100,
The second contact portion 260 has a cylindrical shape and includes a protrusion 261 protruding upward, and faces the second pressing portion 250 of the upper mold 100.
The third punch hole portion 230, the spring washer manufacturing method, characterized in that the through hole 231 is formed is inserted into the third punch portion 130 of the upper mold (100).
제4항에 있어서,
상기 피가공물 제1펀칭단계는, 피가공물(P)의 둘레부에 제2펀칭홀(P2)을 형성시키는 것을 더 포함하는 것을 특징으로 하는 스프링 와셔 제조 방법.The method of claim 4, wherein
The first punching step of the workpiece further comprises forming a second punching hole (P2) in the periphery of the workpiece (P).
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104550476A (en) * 2014-12-31 2015-04-29 武汉华夏精冲技术有限公司 Progressive die for limit washer extrusion two-sided oil grooves and limit washer forming method
EP2979792A1 (en) 2014-07-29 2016-02-03 Airbus Operations S.L. Tooling and method for manufacturing washers

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829598A (en) 1981-08-12 1983-02-21 Toshiba Corp Progressive feed press working method
JPS606299A (en) 1983-06-23 1985-01-12 Shinko Electric Ind Co Ltd Blaking method with progressive feed

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829598A (en) 1981-08-12 1983-02-21 Toshiba Corp Progressive feed press working method
JPS606299A (en) 1983-06-23 1985-01-12 Shinko Electric Ind Co Ltd Blaking method with progressive feed

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2979792A1 (en) 2014-07-29 2016-02-03 Airbus Operations S.L. Tooling and method for manufacturing washers
CN104550476A (en) * 2014-12-31 2015-04-29 武汉华夏精冲技术有限公司 Progressive die for limit washer extrusion two-sided oil grooves and limit washer forming method

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