KR20100047676A - Method for manufacturing the chisel pin - Google Patents

Method for manufacturing the chisel pin Download PDF

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Publication number
KR20100047676A
KR20100047676A KR1020080106669A KR20080106669A KR20100047676A KR 20100047676 A KR20100047676 A KR 20100047676A KR 1020080106669 A KR1020080106669 A KR 1020080106669A KR 20080106669 A KR20080106669 A KR 20080106669A KR 20100047676 A KR20100047676 A KR 20100047676A
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South Korea
Prior art keywords
chisel
chisel pin
manufacturing
pin
heat treatment
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KR1020080106669A
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Korean (ko)
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임행주
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임행주
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Publication of KR20100047676A publication Critical patent/KR20100047676A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
    • B21C3/18—Making tools by operations not covered by a single other subclass; Repairing
    • 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
    • B21D25/00—Working sheet metal of limited length by stretching, e.g. for straightening
    • 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
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders
    • 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
    • B21D37/16—Heating or cooling
    • 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
    • B21D43/28—Associations of cutting devices therewith
    • B21D43/285—Devices for handling elongated articles, e.g. bars, tubes or profiles
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires

Abstract

PURPOSE: A method for manufacturing a chisel pin is provided to reduce the amount of manufacturing processes by processing and cutting a chisel pin in which a heat treatment process is performed using a drawing process. CONSTITUTION: A method for manufacturing a chisel pin is as follows. A billet is rolled in order to have a chisel pin shape(S100). The work-hardened organization of the rolled object is disorganized through heat treatment(S200). The object is cut to have the same length as the chisel pin(S400). Holes and taps are formed in the object(S500). The organization of the object is changed through the heat treatment(S600).

Description

치즐핀의 제조방법{Method for manufacturing the Chisel Pin}Method for manufacturing the Chisel Pin {Method for manufacturing the Chisel Pin}

본 발명은 치즐핀의 제조방법에 관한 것으로서 보다 상세하게는 압연가공과 인발가공을 이용하여 간단하고 간편하게 치즐핀을 용이하게 제조할 수 있도록 한 치즐핀의 제조방법에 관한 것이다.The present invention relates to a method for manufacturing chisel pins, and more particularly, to a method for manufacturing chisel pins, which enables easy and simple production of chisel pins by using a rolling process and a drawing process.

브레이커는 피스톤의 왕복운동시 발생된 운동에너지를 타격에 의해 치즐로 전달하여 암반이나 콘크리트 등과 같은 피파쇄물을 파쇄하는 장치로서, 공급라인과 리턴라인을 통해 굴삭기의 유압동력원과 연결되어 굴삭기로부터 압유를 공급받아 작동된다.A breaker is a device that delivers the kinetic energy generated during the reciprocating motion of the piston to the chisel by hitting it, and breaks up the crushed object such as rock or concrete.It is connected to the hydraulic power source of the excavator through the supply line and the return line to supply the hydraulic oil from the excavator. It is supplied and operated.

일반적으로 브레이커는 첨부도면 도 1에 도시된 바와 같이 크게 구분하여 브레이커 몸체를 이루는 백 헤드(1)와 실린더(2) 및 프런트 헤드(3)와, 프런트 헤드(3)에 운동 가능하게 설치되는 피스톤(4)과, 피스톤(4)에 의해 타격되도록 실린더 하부에 설치되는 치즐(5)과, 실린더(2)와 백 헤드(1)에 유압을 선택적으로 공급하여 피스톤(4)을 왕복운동시키기 위한 밸브장치가 외부에 설치되며 프런트 헤드의 내측 상부에는 라우드 부시(7)가 하부에는 프론트 커버(8)가 설치되며 상기 라우드 부시(7)와 프론트 커버(8) 사이에는 금속으로 이루어진 치즐핀(6)이 구비되어 이루어진 구성이다.In general, the breaker is a piston which is movably installed on the back head 1, the cylinder 2, the front head 3, and the front head 3, which are largely divided to form the breaker body as shown in FIG. (4), a chisel (5) installed in the lower part of the cylinder so as to be hit by the piston (4), and for supplying hydraulic pressure selectively to the cylinder (2) and the back head (1) for reciprocating the piston (4) A valve device is installed on the outside, a loudspeaker bush (7) is installed on the inner upper part of the front head, and a front cover (8) is provided on the lower part. ) Is provided.

상기 피스톤(4)은 유압에 의해 구동되어 상승위치와 타격위치 사이를 왕복운동하는 것으로, 타격위치에서 치즐(5)을 타격하도록 구성되며 상기 치즐(5)은 피스톤(4)의 운동에너지를 충격에너지로 바꾸어 피파쇄물에 전달하는 것으로, 피스톤(4)이 상승위치로부터 타격 위치로 하강시 피스톤(4)에 의해 타격하게 되고 상기 치즐(5)은 실린더(2) 하부에 제한된 거리만큼 운동 가능하게 설치되며, 브레이커에서 이탈되지 않도록 치즐핀(6)에 의해 지지된다. The piston 4 is driven by hydraulic pressure to reciprocate between the rising position and the striking position, and is configured to strike the chisel 5 in the striking position and the chisel 5 impacts the kinetic energy of the piston 4. By converting the energy into the crushed object, the piston 4 is hit by the piston 4 when the piston 4 descends from the rising position to the hitting position, and the chisel 5 is movable in a limited distance below the cylinder 2. It is installed and supported by the chisel pin 6 so as not to be separated from the breaker.

상기 종래 치즐핀(6)의 제조방법으로는 두가지 제조방법이 있으며 There are two manufacturing methods of the conventional chisel pin (6)

첫번째 가공방법First processing method

환봉 → 여유치수를 주고 길게 절단 → 한쪽면 면취가공 → 반대쪽 면취가공 → 한쪽 원호가공 → 반대쪽 원호가공 → 한쪽 끝가공 → 반대쪽 가공 → 구멍 및 탭 가공 → 열처리.Round bar → Cut lengthwise and cut → Single side chamfering → Opposite chamfering → One arc processing → Opposite arc processing → One end processing → Opposite processing → Hole and tap processing → Heat treatment.

두번째 제조방법Second manufacturing method

환봉 → 단조작업 → 여유치수를 주고 길게 절단 → 한쪽면 면취가공 → 반대쪽 면취가공 → 한쪽 원호가공 → 반대쪽 원호가공 → 한쪽 끝가공 → 반대쪽 가공 → 구멍 및 탭 가공 → 열처리.Round bar → Forging work → Cut length by giving extra dimension → Chamfering on one side → Chamfering on one side → Arc processing on one side → Arc processing on the other side → Machining on one side → Machining on the other side → Hole and tap processing → Heat treatment.

상기 종래 치즐핀(6)의 제조방법은 상기에서 전술한 바와 같이 제조 공정이 길고 절삭에 의한 가공으로 제조하기 어려운 문제점이 있었으며 치즐핀의 제조시간 이 과다하게 소요되는 문제점이 있다. As described above, the conventional method for manufacturing chisel pin 6 has a problem in that the manufacturing process is long and difficult to manufacture by cutting, and the manufacturing time of chisel pin is excessively required.

본 발명은 압연가공과 인발가공을 이용하여 간단하고 간편하게 치즐핀을 용이하게 제조할 수 있는 치즐핀 제조방법을 제공하는데 있다.The present invention is to provide a chisel pin manufacturing method that can be easily and simply manufacturing chisel pin by using the rolling and drawing process.

상기 본 발명의 목적은 치즐핀의 제조방법에 있어서, 빌렛을 치즐핀의 형태를 갖도록 하는 압연공정과; 상기 압연공정에 의하여 생선된 치즐핀의 가공경화된 조직을 풀어주는 열처리공정과; 상기 열처리공정을 수행한 치즐핀을 구유하는 치수를 갖는 치즐핀으로 가공하는 인발공정과; 상기 인발공정으로 길이가 길어진 치즐핀의 길이를 맞추는 절단공정과; 상기 절단공정 수행 후 구멍 및 탭을 형성시키는 후가공공정과; 상기 후가공공정 후 강도와 경도를 갖도록 조직을 변화시키는 열처리공정 순으로 이루어지는 것을 특징으로 하는 치즐핀의 제조방법에 의하여 달성된다.An object of the present invention is a method for manufacturing a chisel pin, rolling process to have a billet in the form of a chisel pin; A heat treatment step of releasing the work-hardened structure of the chisel pin fish by the rolling process; A drawing process of processing the chisel pin having a dimension trough the chisel pin which has undergone the heat treatment step; A cutting step of adjusting the length of the chisel pin, which has been lengthened by the drawing process; A post-processing step of forming holes and tabs after performing the cutting process; After the post-processing step is achieved by the method of manufacturing a chisel pin, characterized in that the heat treatment step of changing the structure to have a strength and hardness.

이와 같은 본 발명은 종래 문제점을 이거에 해소하면서 압연가공과 인발가공을 이용하여 간단하고 간편하게 치즐핀을 용이하게 제조할 수 있는 이점이 있는 유용한 발명이다.The present invention as described above is a useful invention having the advantage of being able to easily and simply manufacture chisel pins by using a rolling and drawing process while solving the conventional problems therein.

이하 본 발명의 바람직한 실시예를 첨부된 도면에 의거하여 상세히 설명하면 다음과 같다. 브레이커 몸체를 이루는 백 헤드(1)와 실린더(2) 및 프런트 헤드(3)와, 프런트 헤드(3)에 운동 가능하게 설치되는 피스톤(4)과, 피스톤(4)에 의해 타격되도록 실린더 하부에 설치되는 치즐(5)과, 실린더(2)와 백 헤드(1)에 유압을 선택적으로 공급하여 피스톤(4)을 왕복운동시키기 위한 밸브장치가 외부에 설치되며 프런트 헤드의 내측 상부에는 라우드 부시(7)가 하부에는 프론트 커버(8)가 설치되며 상기 라우드 부시(7)와 프론트 커버(8) 사이에는 금속으로 이루어진 치즐핀(6)이 구비되어 이루어진 구성되되 상기 피스톤(4)은 유압에 의해 구동되어 상승위치와 타격위치 사이를 왕복운동하는 것으로, 타격위치에서 치즐(5)을 타격하도록 구성되며 상기 치즐(5)은 피스톤(4)의 운동에너지를 충격에너지로 바꾸어 피파쇄물에 전달하는 것으로, 피스톤(4)이 상승위치로부터 타격 위치로 하강시 피스톤(4)에 의해 타격하게 되고 상기 치즐(5)은 실린더(2) 하부에 제한된 거리만큼 운동 가능하게 설치되며, 브레이커에서 이탈되지 않도록 치즐핀(6)에 의해 지지된다. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. The back head 1, the cylinder 2, and the front head 3 constituting the breaker body, the piston 4 movably mounted to the front head 3, and the cylinder 4 to be hit by the piston 4 A chisel 5 to be installed and a valve device for reciprocating the piston 4 by selectively supplying hydraulic pressure to the cylinder 2 and the back head 1 are installed on the outside, and the upper portion of the front head has a loud bush ( The lower cover 7 is provided with a front cover 8 and a chisel pin 6 made of metal is provided between the loudspeaker bush 7 and the front cover 8, but the piston 4 is hydraulically mounted. It is driven to reciprocate between the rising position and the striking position, it is configured to strike the chisel (5) in the striking position and the chisel (5) to convert the kinetic energy of the piston (4) to the impact energy to transfer to the crushed object , Piston (4) Is lowered by the piston (4) when descending to the strike position and the chisel (5) is installed in the lower portion of the cylinder (2) so as to be movable in a limited distance, is supported by the chisel pin (6) so as not to be released from the breaker .

상기에서와 같이 치즐(5)의 이탈을 방지하도록 설치되는 치즐핀(6)의 제조방법은 첨부도면 도 3에 도시된 바와 같이 단면이 장방형으로 한 변이 160mm이하, 단면적 25,600이하이며 연속주조에 의해 제작되고 각형 강편, 소형봉, 형강, 선재, 강대등의 재료 사용되는 빌렛을 치즐핀의 형태 즉 마주보는 두변은 면취되어 평면을 형성하고 직각되는 방향으로는 반원형의 원호의 모양을 갖도록 압연공정(S100)을 수행한다.As described above, the manufacturing method of the chisel pin 6, which is installed to prevent the chisel 5 from being separated, is 160 mm or less in cross section having a rectangular cross section and 25,600 or less in cross section as shown in FIG. The billet is made of rectangular steel slabs, small rods, section steels, wire rods, steel strips, etc., in the form of chisel pins. S100).

이때 상기 압연공정(S100)에 의하여 치즐핀의 형태로 압연된 압연물품은 만들고자하는 완성품보다 1mm - 2mm 여유치수를 갖도록 형성하는 것이 바람직하다. 그 이유는 후술하는 인발공정에서 완성치수로 제작시 단면적이 변하기 때문이며, 상기 압연공정(S100)을 인발공정으로 치환하여 제조할 수도 있다.At this time, the rolled article rolled in the form of chisel pin by the rolling step (S100) is preferably formed to have a 1mm-2mm margin than the finished product to be made. The reason for this is that the cross-sectional area is changed during fabrication to the finished dimension in the drawing process described later, and may be manufactured by replacing the rolling step (S100) with a drawing process.

한편 상기 압연공정(S100)에 의하여 치즐핀의 형태로 압연된 압연물품은 탄성한계 이상의 응력을 주어 소성변형을 일으키게 되어 가공전의 재료보다 조직이 강하게 형성되므로 상기 압연공정(S100) 후의 공정이 어렵게 되므로 조직을 풀어(연화)주어야 한다.On the other hand, the rolled article rolled in the form of chisel pin by the rolling step (S100) is subjected to a stress or more than the elastic limit to cause plastic deformation, so that the structure is stronger than the material before processing, so the process after the rolling step (S100) becomes difficult The tissue should be loosened (softened).

상기 가공경화된 조직을 소성변형이 용이하도록 풀어주는 열처리공정(S200)을 수행한다. 이때 상기 열처리공정(S200)은 적당한 온도로 재 가열했다가 공기 속에서 냉각, 조직을 연화 ·안정시켜 내부 응력(應力)을 제거하는 소려(tempering)방법으로 열처리하는 것이 바람직하다. Performing a heat treatment step (S200) for releasing the work hardened structure to facilitate plastic deformation. At this time, the heat treatment step (S200) is preferably reheated to an appropriate temperature, and then cooled in the air, softening and stabilizing the structure to remove the internal stress (tempering) method (tempering) is preferable.

상기 열처리공정(S200)에 의하여 조직이 풀러진 압연물품을 완성품의 치수와 동일하게 형성시키는 인발공정(S300)을 수행한다. 상기 인발공정(S300)을 압연공정으로 수행할 수도 있다.By the heat treatment step (S200) performs a drawing process (S300) for forming a rolled article unwound the same as the dimensions of the finished product. The drawing process (S300) may be performed by a rolling process.

한편 상기 인발공정(S300)을 수행하게 되면 조직이 압축 되기 때문에 압연공정(S100)보다 더 단면적이 줄어들게 되면서 길이가 늘어난 인발공정(S300)후의 치즐핀(400)이 형성된다. Meanwhile, when the drawing process (S300) is performed, the chisel pin 400 is formed after the drawing process (S300), which has a longer cross-sectional area than the rolling process (S100), and thus the structure is compressed, thereby reducing the cross-sectional area.

따라서 인발공정(S300)을 수행 후 인발공정(S300)후의 치즐핀(400)의 길이는 늘어나게 되며 인발공정(S300) 후의 길이가 늘어난 치즐핀의 길이를 절단하여 인발 공정(S300) 후의 치즐핀의 길이를 맞추는 절단공정(S400)을 수행한다.Therefore, after performing the drawing process (S300), the length of the chisel pin 400 after the drawing process (S300) is increased and the length of the chisel pin after the drawing process (S300) is cut to increase the length of the chisel pin after the drawing process (S300). The cutting process (S400) to match the length is performed.

상기 절단공정(S400) 수행 후 구멍 및 탭을 형성시키는 후가공공정(S500)과 상기 후가공공정(S500) 후 강도와 경도를 갖도록 조직을 변화시키는 열처리공정(S600) 순으로 제조된다.After the cutting step (S400) is performed in the order of the heat treatment step (S600) to change the structure to have a strength and hardness after the post-processing step (S500) and the post-processing step (S500) to form a hole and tab.

상기 열처리공정(S600)은 충분히 확산할 수 있을 정도의 온도로 가열한 다음 서서히 냉각하는 조작으로 재료를 평형상태도에 나타난 그대로의 안정상태로 만들기 위한 소둔(annealing)방법으로 열처리하는 것이 바람직하다.The heat treatment step (S600) is preferably heat-treated by annealing (annealing) method to make the material in a stable state as shown in the equilibrium diagram by heating to a temperature that can be sufficiently diffused and then gradually cooled.

본 발명은 도면에 도시된 일 실시예를 참고로 설명되었으나 이는 예시적인 것에 불과하며, 본 기술 분야의 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다. 따라서 본 발명의 진정한 기술적 보호 범위는 첨부된 등록청구범위의 기술적 사상에 의해 정해져야 할 것이다. Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

도 1은 일반적인 브레이커 본체의 구조를 보여주는 단면도.1 is a cross-sectional view showing the structure of a typical breaker body.

도 2는 일반적인 치즐핀의 설치 구조를 보여주는 사시도.Figure 2 is a perspective view showing the installation structure of a typical chisel pin.

도 3은 본 발명의 기술이 적용된 치즐핀 제조방법을 보여주는 공정도.Figure 3 is a process chart showing a chisel pin manufacturing method applied technology of the present invention.

※도면의 주요부분에 대한 부호의 설명※[Description of Reference Numerals]

1 : 백 헤드 2 : 실린더1: back head 2: cylinder

3 : 프런트 헤드 4 : 피스톤3: front head 4: piston

5 : 치즐 7 : 라우드 부시5: Chisel 7: Loud Bush

8 : 프론트 커버 8: front cover

Claims (4)

치즐핀의 제조방법에 있어서,In the manufacturing method of chisel pin, 빌렛을 치즐핀의 형태를 갖도록 하는 압연공정(S100)과;Rolling process (S100) to have a billet in the form of a chisel pin; 상기 압연공정에 의하여 생선된 압연물품의 가공경화된 조직을 풀어주는 열처리공정(S200)과;A heat treatment step (S200) of releasing the work hardened structure of the rolled article fish by the rolling process; 상기 열처리공정을 수행한 치즐핀을 구유하는 치수를 갖는 치즐핀으로 가공하는 인발공정(S300)과;A drawing step (S300) of processing the chisel pin having a dimension to trough the chisel pin having undergone the heat treatment process; 상기 인발공정으로 길이가 길어진 치즐핀의 길이를 맞추는 절단공정(S400)과;A cutting step (S400) of adjusting the length of the chisel pin, which has been lengthened by the drawing process; 상기 절단공정 수행 후 구멍 및 탭을 형성시키는 후가공공정(S500)과;A post-processing step (S500) of forming holes and tabs after performing the cutting process; 상기 후가공공정 후 강도와 경도를 갖도록 조직을 변화시키는 열처리공정(S600) 순으로 이루어지는 것을 특징으로 하는 치즐핀의 제조방법.Chisel pin manufacturing method characterized in that the heat treatment step of changing the structure to have a strength and hardness after the post-processing step (S600). 제 1 항에 있어서, 상기 압연공정(S100)에 의하여 생산된 압연물품의 치수는 완성품보다 1mm - 2mm 여유치수를 갖도록 형성하는 것을 특징으로 하는 치즐핀의 제조방법.The method of claim 1, wherein the size of the rolled article produced by the rolling step (S100) is formed to have a 1mm-2mm margin than the finished product. 제 1 항에 있어서, 상기 압연공정(S100)을 인발공정으로 치환하여 제조하는 것을 특징으로 하는 치즐핀의 제조방법.The method according to claim 1, wherein the rolling process (S100) is manufactured by replacing the drawing process with chisel pins. 제 1 항에 있어서, 상기 인발공정(S300)을 압연공정으로 치환하여 제조하는 것을 특징으로 하는 치즐핀의 제조방법.The method according to claim 1, wherein the drawing process (S300) is manufactured by replacing the rolling process with chisel pins.
KR1020080106669A 2008-10-29 2008-10-29 Method for manufacturing the chisel pin KR20100047676A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101638945B1 (en) * 2015-07-17 2016-07-12 유장호 Chisel for breaker, and manufacturing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101638945B1 (en) * 2015-07-17 2016-07-12 유장호 Chisel for breaker, and manufacturing method thereof
WO2017014481A1 (en) * 2015-07-17 2017-01-26 유장호 Chisel for breaker and method for manufacturing same

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