KR20120004600A - A dowel pin ejecting device - Google Patents

A dowel pin ejecting device Download PDF

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Publication number
KR20120004600A
KR20120004600A KR1020100065177A KR20100065177A KR20120004600A KR 20120004600 A KR20120004600 A KR 20120004600A KR 1020100065177 A KR1020100065177 A KR 1020100065177A KR 20100065177 A KR20100065177 A KR 20100065177A KR 20120004600 A KR20120004600 A KR 20120004600A
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KR
South Korea
Prior art keywords
guide rod
dowel pin
sliding hammer
removal device
pin
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KR1020100065177A
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Korean (ko)
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KR101135348B1 (en
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정성옥
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한전케이피에스 주식회사
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Priority to KR1020100065177A priority Critical patent/KR101135348B1/en
Publication of KR20120004600A publication Critical patent/KR20120004600A/en
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Publication of KR101135348B1 publication Critical patent/KR101135348B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/025—For detaching only

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

PURPOSE: A dowel pin removal device is provided to prevent damages and deformations of dowel pins, and reduce costs by reusing dowel pins in a removal process of disassembling components. CONSTITUTION: A dowel pin removal device comprises a guide rod(10), a sliding hammer(20), a stopper(30), a separation preventing part(40), and a pin joining part(50). The sliding hammer is inserted into the guide rod and slid to a longitudinal direction. The stopper is joined at the backend of the guide rod. An impulsive force by a direct contact of the stopper and the sliding hammer is transferred to the stopper. The separation preventing part is inserted to an edge of the guide rod and prevents the separation of the sliding hammer. The pin joining part is joined with the separation preventing part. A screw part(51) is formed at the end of the pin joining part and screws are meshed with a tap part of the dowel pins.

Description

다우얼핀 제거장치{A DOWEL PIN EJECTING DEVICE}Dowel Pin Ejector {A DOWEL PIN EJECTING DEVICE}

본 발명은 다우얼핀 제거장치에 관한 것으로서, 더욱 상세하게는 기기 부품에 체결되어져 있는 다우얼핀의 제거가 용이하게 이루어질 수 있도록 하는 제거장치 구조에 관한 것이다.The present invention relates to a dowel pin removal device, and more particularly, to a removal device structure to facilitate the removal of the dowel pin fastened to the device component.

일반적으로 다우얼 핀(Dowel pin)은 금형 내의 2개 이상 부품을 결합하여 죌 때 서로의 상대 위치를 잡아 주기 위하여 사용하는 핀을 말한다.In general, the dowel pin refers to a pin that is used to hold each other's relative positions when combining two or more parts in a mold.

이러한 아우얼 핀은 기계 구조물 중 열의 영향을 받는 부품의 열에 의한 팽창이나 수축 발생시 악영향 방지를 위하여 일정 간격의 구속과 위치이탈을 방지하는 기능을 수행하게 된다.Such an outer pin serves to prevent restraints and deviations of a predetermined interval in order to prevent adverse effects during expansion or contraction caused by heat of a component affected by heat in the mechanical structure.

도 1을 참조하면, 상기 다우얼 핀(1)은, 상단에 탭(3)이 형성되어 있으며, 부품의 결합시에는 억지 끼움으로 결합대상에 결합된다. Referring to FIG. 1, the dowel pin 1 has a tab 3 formed at an upper end thereof, and is coupled to a coupling object by forcibly fitting when a component is coupled.

한편, 기기의 분해시에는 먼저 다우얼 핀을 제거 후 기타 부품을 분해하게 되는데, 종래에는 별도의 다우얼핀 제거용 장비가 없는 관계로 드라이버나 파이프렌치 등 기타 유사기구를 사용하여 좁은 공간에 조립되어 있는 다우얼핀을 제거하였다.On the other hand, when disassembling the device, the dowel pin is removed first and then other parts are disassembled. Conventionally, since there is no separate dowel pin removal equipment, it is assembled in a narrow space by using a similar device such as a screwdriver or a pipe wrench. The dowel pin was removed.

따라서, 종래에는 다우얼핀 제거작업시 작업이 어려운 문제점이 있었으며, 또한 무리하게 힘을 가함으로 인해 핀이 파손되거나 변형되어 재사용이 어려운 문제점이 있었다.
Therefore, in the related art, there was a problem in that the work was difficult during the removal of the dowel pin, and the pin was broken or deformed due to the excessive force, making it difficult to reuse.

본 발명은 상기한 종래 다우얼핀 제거작업에 있어서의 문제점을 개선하기 위해 제안된 것으로서, 다우얼핀의 제거작업이 신속하고 용이하게 이루어질 수 있는 제거장비를 제공함으로서 작업효율 및 작업신뢰성을 향상시키도록 하는데 목적이 있다.The present invention has been proposed to improve the problems in the conventional dowel pin removal operation, to improve the work efficiency and work reliability by providing a removal equipment that can be quickly and easily remove the dowel pin. There is a purpose.

상기 목적을 이루기 위한 본 발명의 제거장치는, 일정 길이를 이루는 가이드봉과; 상기 가이드봉에 끼워져 길이방향으로 슬라이딩 유동이 가능한 슬라이딩 헤머와; 상기 가이드봉의 후단측에 구성되어 슬라이딩 헤머의 충격력이 전달되어지는 스토퍼와; 상기 가이드봉의 선단측에 끼워져 슬라이딩 헤머의 이탈을 방지하는 이탈방지구와; 상기 이탈방지구와 결합 구성되어지며 선단측에는 다우얼핀의 탭부위와 나사치합이 가능하도록 나사부가 형성된 핀 체결부;를 포함하는 구성을 이룸을 특징으로 한다.Removal device of the present invention for achieving the above object, the guide rod forming a predetermined length; A sliding hammer fitted to the guide rod and capable of sliding in a longitudinal direction; A stopper configured at a rear end side of the guide rod to transmit the impact force of the sliding hammer; An escape prevention tool inserted into the tip side of the guide rod to prevent the escape of the sliding hammer; It is configured to be coupled with the escape prevention and the front end side is a pin fastening portion formed with a screw portion to enable the screw portion and the tab portion of the dowel pin;

이러한 본 발명의 핀 제거장치를 이용하게 되면, 기기부품의 분해작업시 다우얼 핀의 제거작업이 보다 용이하게 이루어질 수 있게 됨으로 작업 신뢰성을 향상시키는 효과를 나타낸다.When the pin removing device of the present invention is used, it is possible to more easily remove the dowel pins during the disassembly of the device parts, thereby improving work reliability.

특히, 제거과정에서 다우얼 핀의 변형 내지는 손상이 발생되지 않게 됨으로 재사용이 가능하게 되고, 이에 따른 비용발생을 절감하는 이점이 있다.
In particular, since the deformation or damage of the dowel pin is not generated during the removal process, it is possible to reuse it, thereby reducing the cost.

도 1은 일반적인 다우얼 핀의 개략 구조도.
도 2는 본 발명의 일 실시예에 따른 제거장치의 분해 사시도.
도 3은 본 발명 제거장치의 결합 사시도.
도 4는 본 발명 제거장치의 슬라이딩 헤머 단면도.
도 5는 본 발명 제거장치의 다우얼 핀 체결 상태도.
도 6은 본 발명 제거장치의 사용 상태도.
도 7은 본 발명의 다른 실시예에 따른 제거장치 결합 사시도.
도 8은 도 6의 A-A부 단면도.
도 9는 도 7의 B부 확대도1 is a schematic structural diagram of a typical dowel pin.
Figure 2 is an exploded perspective view of the removal device according to an embodiment of the present invention.
3 is a perspective view of the combination of the present invention removal device.
4 is a sectional view of a sliding hammer of the present invention removal device.
Figure 5 is a dowel pin fastening state of the removal device of the present invention.
6 is a state diagram used in the removal device of the present invention.
Figure 7 is a perspective view of the coupling device removal according to another embodiment of the present invention.
8 is a sectional view taken along the line AA of FIG. 6.
9 is an enlarged view of a portion B of FIG. 7;

이하, 본 발명의 구체적인 실시 예를 첨부 도면을 참조하여 상세히 살펴보기로 한다.Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

먼저, 본 발명의 일 실시예에 따른 핀 제거장치의 구조를 살펴보면, 일정 길이를 이루고 있는 가이드봉(10) 후단부에는 스토퍼(30)가 일체로 결합 구성되어져 있으며, 가이드봉(10)에는 슬라이딩 헤머(20)가 슬라이딩 유동 가능하게 끼워져 구비된다.First, looking at the structure of the pin removing device according to an embodiment of the present invention, the stopper 30 is integrally coupled to the rear end of the guide rod 10 having a predetermined length, the sliding guide rod 10 The hammer 20 is provided so that sliding flow is possible.

그리고, 가이드봉(10) 선단부에는 슬라이딩 헤머(20)의 이탈을 방지하는 이탈방지구(40)가 결합 구성되며, 이탈방지구(40)에는 핀 체결부(50)가 결합 구성된다. 이탈방지구(40)는 가이드봉(10)과 용접 결합되어짐이 바람직하나, 필요에 따라서는 나사산을 형성하여 나사결합이 이루어지도록 할 수도 있게 된다.And, the guide rod 10, the tip end portion is coupled to the separation prevention means for preventing the separation of the sliding hammer 20, 40 is configured, the separation prevention portion 40 is coupled to the pin fastening portion 50 is configured. The separation prevention device 40 is preferably welded to the guide rod 10, but if necessary, it is possible to form a screw thread to be screwed.

상기 핀 체결부(50)는 선단측에는 다우얼핀(1)의 탭 부위에 나사치합을 위한 나사부(51)가 형성되어져 있으며, 후단측에도 이탈방지구(40)와 나사치합을 위한 나사부(52)가 형성되어져 있다.The pin fastening portion 50 has a threaded portion 51 for screwing in a tab portion of the dowel pin 1 at the front end side, and a threaded portion 52 for screwing in and out of the rear end side. ) Is formed.

그리고 슬라이딩 헤머(20)는 도 4의 단면도에서와 같이 완충을 위한 우레탄재질로 구비된 손잡이부(21)가 구비되고, 상기 손잡이부(21)의 상부와 하부에는 작업자의 손을 지지하기 위한 지지턱(22)이 각각 구비되었다.And the sliding hammer 20 has a handle portion 21 is provided with a urethane material for cushioning, as shown in the cross-sectional view of Figure 4, the upper and lower portions of the handle portion 21 for supporting the hand of the worker Tuck 22 was provided, respectively.

이와 같은 구성을 이루는 본 발명 다우얼 핀 제거장치의 사용에 따른 작용효과를 살펴보기로 한다.The working effect of the use of the present invention, the dowel pin removal device constituting such a configuration will be described.

먼저, 다우얼 핀(1)의 탭 부위 치수를 확인 후 크기에 맞는 핀 체결부(50)를 이탈방지구(40)에 결합시킨 상태에서 선단측 나사부(51)를 도 5에 나타내어진 바와 같이 베어링커버에 볼트와 함께 억지끼움 되어져 있는 다우얼 핀(1)에 나사치합 시킨다.First, after confirming the size of the tab portion of the dowel pin 1, the front end screw portion 51 is shown in Fig. 5 in the state in which the pin fastening portion 50 suitable for the size is coupled to the release preventing opening 40. Screw onto the dowel pin (1) that is tightly fitted with the bolt to the bearing cover.

이후, 수직방향으로 세워져 있는 본 발명 장치를 작업자가 도 6에서와 같이 슬라이딩 헤머(20)의 손잡이부(21)를 잡고 윗쪽으로 힘을 가하여 상승시키면 상향으로 슬라이딩 이동 되어진 슬라이딩 헤머(20)가 스토퍼(30) 부위에 충격력을 가하면서 제거장치 전체 구조체에 힘이 전달되고 이에 따라 하부에서 나사결합되어져 있는 다우얼 핀(1)에도 상승력이 작용한다.Then, when the operator lifts the device of the present invention, which is erected in a vertical direction, as shown in FIG. 6 by holding the handle portion 21 of the sliding hammer 20 and applying a force upward, the sliding hammer 20 which is slid upwardly is moved. The force is transmitted to the entire structure of the removal device while applying the impact force to the part 30, and accordingly, the lifting force also acts on the dowel pin 1 which is screwed in the lower part.

이에 따라, 억지끼움 되어져 있는 다우얼 핀(1)이 용이하게 이탈. 제거되어질 수 있게 되는 것이다.Thereby, the dowel pin 1 which was forcibly fitted escapes easily. It can be removed.

따라서, 본 발명의 핀 제거장치를 사용하게 되면 다우얼 핀의 제거작업이 보다 신속하고 용이하게 이루어질 수 있게 됨은 물론, 제거작업 과정에서 핀의 변형 내지는 파손 발생이 방지되어질 수 있게 된다.
Therefore, when the pin removing device of the present invention is used, the removal of the dowel pin can be performed more quickly and easily, and the deformation or breakage of the pin can be prevented in the removal process.

한편, 도 7 내지 도 9는 본 발명의 다른 실시 예에 따른 핀 제거장치 구조를 나타낸 것이다.On the other hand, Figures 7 to 9 show the structure of the pin removing device according to another embodiment of the present invention.

즉, 도시된 바와 같이 슬라이딩 헤머(20)의 손잡이부(21)에는 누름부재(60)가 관통 설치되어지도록 관통공(23)이 형성되되, 상기 누름부재(60) 선단부에는 가이드봉(10)과 압착을 위한 고무재질의 압착플레이트(61)를 구성하고, 누름부재(60) 중단에는 관통공(23)으로 부터 이탈 방지를 위한 이탈방지턱(62)을 구성하며, 관통공(23) 내부에는 이탈방지턱(62)을 탄성력으로 지지하기 위한 탄성스프링(63)을 구성한 것이다.That is, as shown, the through hole 23 is formed in the handle portion 21 of the sliding hammer 20 so that the pressing member 60 is installed therethrough, and the guide rod 10 is formed at the tip of the pressing member 60. And a crimping plate 61 made of rubber material for over-compression, and a stopping jaw 62 for preventing separation from the through-hole 23 at the stop of the pressing member 60, and inside the through-hole 23. An elastic spring 63 for supporting the release prevention jaw 62 with an elastic force is configured.

또한, 압착플레이트(61)와 대향되는 가이드봉(10) 표면에는 요철형상을 이루는 다수의 돌기부(11)를 돌출 구성시킴으로서 압착플레이트(61)와의 마찰력이 향상되어질 수 있도록 하였다.In addition, the surface of the guide rod 10 opposite to the pressing plate 61 is provided with a plurality of protrusions 11 having a concave-convex shape so that the frictional force with the pressing plate 61 can be improved.

이와 같은 구성을 이루게 되면 초기에 핀 체결부(50)를 아우얼 핀(1)에 체결시키는 과정에서 작업자가 손잡이부(21)를 잡게 되면 자연스럽게 누름부재(60)가 눌려지면서 압착플레이트(61)가 가이드봉(10) 표면과 압착되어지게 되고, 이에 따라 슬라이딩 헤머(20)가 헛도는 것이 방지되는 상태를 이루게 된다.When such a configuration is achieved, in the process of initially fastening the pin fastening portion 50 to the outer pin 1, when the worker grasps the handle portion 21, the pressing member 60 is naturally pressed and the pressing plate 61 is pressed. Is pressed against the surface of the guide rod 10, and thus the sliding hammer 20 is prevented from being lost.

따라서, 슬라이딩 헤머(20)를 잡고 회전을 시켜주게 되면 가이드봉(10)이 함께 회전되어짐으로서 핀 체결부(50)와 다우얼 핀(1) 상호간의 나사치합이 용이하게 이루어질 수 있게 됨을 알 수 있다.Therefore, it is understood that when the rotary hammer is held by the sliding hammer 20, the guide rod 10 is rotated together so that the screw coupling between the pin fastening portion 50 and the dowel pin 1 can be easily performed. Can be.

그리고 누름부재(60)에 대한 누름력을 해제하면 누름부재(60)는 탄성스프링(63)의 탄성력에 의해 원위치로 상승 복원되어짐으로서 가이드봉(10)과의 압착상태가 해제되어지고 따라서 슬라이딩 헤머(20)의 슬라이딩 유동이 가능한 상태를 이루게 되는 것이다.
When the pressing force on the pressing member 60 is released, the pressing member 60 is restored to its original position by the elastic force of the elastic spring 63, thereby releasing the crimping state with the guide rod 10 and thus the sliding hammer. The sliding flow of the 20 is to be achieved.

10 : 가이드봉 11 : 돌기부
20 : 슬라이딩 헤머 21 : 손잡이부
22 : 지지턱 23 : 관통공
30 : 스토퍼 40 : 이탈방지구
50 : 핀 체결부 51,52 : 나사부
60 : 누름부재 61 : 압착플레이트
62 : 이탈방지턱 63 : 탄성스프링10: guide rod 11: protrusion
20: sliding hammer 21: handle portion
22: support jaw 23: through hole
30: stopper 40: escape prevention
50: pin fastening portion 51,52: screw portion
60: pressing member 61: pressing plate
62: release prevention jaw 63: elastic spring

Claims (5)

일정 길이를 이루는 가이드봉(10)과;
상기 가이드봉(10)에 끼워져 길이방향으로 슬라이딩 유동이 가능한 슬라이딩 헤머(20)와;
상기 가이드봉(10)의 후단측에 결합 구성되어 슬라이딩 헤머(20)와의 직접 접촉에 의한 충격력이 전달되어지는 스토퍼(30)와;
상기 가이드봉(10)의 선단측에 끼워져 슬라이딩 헤머(20)의 이탈을 방지하는 이탈방지구(40)와;
상기 이탈방지구(40)와 결합 구성되어지며 선단측에는 다우얼핀(1)의 탭부위와 나사치합이 가능하도록 나사부(51)가 형성된 핀 체결부(50);
를 포함하는 구성을 이룸을 특징으로 하는 다우얼핀 제거장치.A guide rod 10 forming a predetermined length;
A sliding hammer 20 inserted into the guide rod 10 and capable of sliding in a longitudinal direction;
A stopper 30 coupled to the rear end side of the guide rod 10 to which an impact force by direct contact with the sliding hammer 20 is transmitted;
A separation prevention tool 40 inserted into a tip side of the guide rod 10 to prevent the sliding hammer 20 from being separated;
A pin fastening portion 50 which is configured to be coupled with the release preventing tool 40 and has a screw portion 51 formed at a distal end thereof so as to be screwed with the tab portion of the dowel pin 1;
Dowel pin removal device characterized in that the configuration comprising a room. 청구항 1에 있어서,
상기 슬라이딩 헤머(20)는 완충을 위한 우레탄재질로 구비된 손잡이부(21)가 구비되고, 상기 손잡이부(21)의 상부와 하부에는 작업자의 손을 지지하기 위한 지지턱(22)이 각각 구비된 것을 특징으로 하는 다우얼핀 제거장치.The method according to claim 1,
The sliding hammer 20 is provided with a handle portion 21 made of a urethane material for cushioning, and the support jaw 22 for supporting the hand of the operator is provided on the upper and lower portions of the handle portion 21, respectively. Dowel pin removal device characterized in that. 청구항 1 또는 청구항 2에 있어서,
상기 슬라이딩 헤머(20)의 손잡이부(21)에는 누름부재(60)가 관통 설치되어지도록 관통공(23)이 형성되되, 상기 누름부재(60) 선단부에는 가이드봉(10)과 압착을 위한 고무재질의 압착플레이트(61)가 구성되어진 것을 특징으로 하는 다우얼핀 제거장치.The method according to claim 1 or 2,
The through hole 23 is formed in the handle portion 21 of the sliding hammer 20 so that the pressing member 60 is installed therethrough, and the guide rod 10 and the rubber for pressing the tip of the pressing member 60 are formed. Dowel pin removal device, characterized in that the pressing plate 61 is made of a material. 청구항 3에 있어서,
상기 누름부재(60) 중단에는 관통공(23)으로 부터 이탈 방지를 위한 이탈방지턱(62)이 구비되고, 상기 관통공(23) 내부에는 이탈방지턱(62)을 탄성력으로 지지하기 위한 탄성스프링(63)이 구성된 것을 특징으로 하는 다우얼핀 제거장치.The method according to claim 3,
An interruption prevention jaw 62 is provided at the stop of the pressing member 60 to prevent departure from the through hole 23, and an elastic spring for supporting the release prevention jaw 62 with an elastic force inside the through hole 23. Dowel pin removal device, characterized in that configured 63). 청구항 3에 있어서,
상기 압착플레이트(61)와 대향되는 가이드봉(10) 표면에는 요철형상을 이루는 다수의 돌기부(11)가 돌출 구비된 것을 특징으로 하는 다우얼핀 제거장치.The method according to claim 3,
Dowel pin removal device, characterized in that the plurality of protrusions 11 forming a concave-convex shape protrudes on the surface of the guide rod (10) facing the pressing plate (61).
KR1020100065177A 2010-07-07 2010-07-07 A dowel pin ejecting device KR101135348B1 (en)

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