KR102217335B1 - shot drill connection structure of gundrill device - Google Patents

shot drill connection structure of gundrill device Download PDF

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Publication number
KR102217335B1
KR102217335B1 KR1020190138149A KR20190138149A KR102217335B1 KR 102217335 B1 KR102217335 B1 KR 102217335B1 KR 1020190138149 A KR1020190138149 A KR 1020190138149A KR 20190138149 A KR20190138149 A KR 20190138149A KR 102217335 B1 KR102217335 B1 KR 102217335B1
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South Korea
Prior art keywords
drill
gun
tightening
gundrill
collet chuck
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KR1020190138149A
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Korean (ko)
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이승우
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이승우
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
    • B23B49/003—Stops attached to drilling tools, tool holders or drilling machines
    • B23B49/006—Attached to drilling machines
    • B23B49/008—Attached to the nose of the drilling machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
    • B23B31/26—Chucks characterised by features relating primarily to remote control of the gripping means using mechanical transmission through the working-spindle
    • B23B31/261—Chucks characterised by features relating primarily to remote control of the gripping means using mechanical transmission through the working-spindle clamping the end of the toolholder shank
    • B23B31/266—Chucks characterised by features relating primarily to remote control of the gripping means using mechanical transmission through the working-spindle clamping the end of the toolholder shank using a threaded spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general

Abstract

The present invention relates to a shot drill connection structure of a gundrill machine, which is able to remarkably reduce the replacement time for convenient replacement of various drilling tools as well as an entry guide for a gundrill. More specifically, the present invention relates to a shot drill connection structure of a gundrill machine, which comprises: a rotor (10) which is formed on one side and rotates by a motor; a guide bushing housing for the gundrill (20) formed on the other side of the rotor to guide active rotation when a drilling tool enters; and a connector (100) whose one side is installed to be linked to the rotor and whose the other side has a flat chuck (110) to fix the gundrill and the shot drill. A rear side of the connector includes: a fixing shaft (101) installed to be linked to the rotor (10); and a collet chuck (110) for connecting the gundrill and the shot drill. The collet chuck (110) includes: an access unit (115) which is inserted into the connector and controls the gun drill and the shot drill; and a tightening cap (111) formed on the outer circumferential surface of the access unit (115) to compress or release the access unit (115) by releasing and tightening.

Description

건드릴 머신의 숏드릴 연결구조{shot drill connection structure of gundrill device}Shot drill connection structure of gundrill device

본 발명은 건드릴 장치의 숏드릴 연결구조에 관한 것으로, 더욱 상세하게는 건드릴의 진입 가이드는 물론, 각종 드릴 공구의 편리한 교체 사용이 가능하게 교체시간을 현저히 단축시킬 수 있도록 하기 위한 건드릴 장치의 숏드릴 연결구조에 관한 것이다.The present invention relates to a short drill connection structure of a gun drill device, and more particularly, a short drill of a gun drill device to enable convenient replacement of various drill tools as well as an entry guide of the gun drill device to significantly shorten the replacement time. It is about the connection structure.

공작기계는 각종 공구를 사용하여 금속의 절단, 절삭, 보링, 드릴링, 나사 절삭, 연삭 등 기타방법을 통해서 칩을 발생하면서 금속 및 기타의 재료를 가공하여 필요한 모양으로 만드는 기계를 말한다.A machine tool refers to a machine that processes metal and other materials into a required shape while generating chips through other methods such as cutting, cutting, boring, drilling, thread cutting, and grinding of metal using various tools.

최근의 공작기계는 정확하고 신속하게 가공물을 가공하는 것을 그 목표로 하여 자동화, 고속화되어 가고 있는 추세로, 보오링머신(boring machine), 밀링머신(milling machine), 드릴링머신(drilling machine) 등이 있다. Recently, machine tools are becoming automated and high-speed with the goal of processing workpieces accurately and quickly, and boring machines, milling machines, drilling machines, etc. have.

그리고 보오링머신, 밀링머신, 드릴링머신을 하나로 복합한 머시닝센터(machining center) 등이 있다.And there are machining centers that combine boring machines, milling machines, and drilling machines into one.

이중 드릴링머신은 핸드 드릴링머신, 직립 드릴링머신, 레이디얼 드릴링머신, 평드릴머신, 다축 드릴링머신, 이외에도 특수용도의 건드릴머신 등이 있다.Among the drilling machines, there are hand drilling machines, upright drilling machines, radial drilling machines, flat drilling machines, multi-axis drilling machines, and gun drilling machines for special purposes.

이 중에서 특수용도의 건드릴머신은 일반적인 드릴링머신을 이용한 천공이 어려울 시 적용되는 것으로, 건드릴(gun drill)을 이용하여 심공(深孔)을 고효율 및 고정밀도로 가공하도록 구성되어 있다.Among them, the special-purpose gun drill machine is applied when drilling is difficult using a general drilling machine, and is configured to process deep holes with high efficiency and high precision using a gun drill.

한편, 상기와 같이 건드릴을 이용하여 천공시 일반적으로 건드릴의 길이에 따라 떨림이 증대되는 것인바, 이러한 떨림은 정확한 천공의 장해요소로 작용하게 된다.Meanwhile, when drilling using a gun drill as described above, vibration is generally increased according to the length of the gun drill, and such vibration acts as an obstacle for accurate drilling.

이에, 상기와 같은 건드릴의 떨림을 방지하기 위해 그 건드릴의 선단부가 공작물에 접할시 떨림을 방지시켜줌으로 원활한 천공이 가능하게 하기 위한 중앙에 드릴공이 형성된 가이드부시가 사용된다.Accordingly, in order to prevent the shaking of the gun drill as described above, a guide bush having a drill hole formed in the center to enable smooth drilling by preventing vibration when the tip of the gun drill comes into contact with the work is used.

그러나 종래의 건드릴 머신은 칩박스의 전방에서 가공물에 진입되는 건드릴의 떨림 등은 가능하였으나 후방에서 진입되는 건드릴이 결합되는 스핀들의 떨림은 잡아주지 못하는 문제점이 있었다.However, in the conventional gun drill machine, it is possible to shake the gun drill entering the workpiece from the front of the chip box, but there is a problem in that it cannot hold the vibration of the spindle to which the gun drill enters from the rear.

또한, 상기한 종래의 건드릴 머신은 회전체(모터)와 가공물간의 간격에 의하여 숏드릴의 교체 사용이 어려웠다.In addition, in the conventional gun drill machine described above, it is difficult to replace and use the short drill due to the distance between the rotating body (motor) and the workpiece.

가공물의 천공 정도에 따라 기장이 다른 드릴공구를 교체 사용하여야 하는 바, 그 구조상 숏드릴 공구를 교체하여 사용할 수 없으며, 숏드릴 사용할 경우 드릴 공구를 고정시키는 드릴 척 등 모든 공구를 교체하여야만 사용이 가능하다는 불편함이 있다.Depending on the degree of drilling of the workpiece, the drill tool with a different length must be replaced. Due to its structure, the short drill tool cannot be replaced. When using a short drill, all tools such as the drill chuck that secures the drill tool must be replaced. There is a discomfort to do it.

대한민국등록특허공보 제10-0978778호(2010.08.24)Korean Registered Patent Publication No. 10-0978778 (2010.08.24) 대한민국등록특허공보 제10-1664325호(2016.10.04)Korean Registered Patent Publication No. 10-1664325 (2016.10.04) 대한민국등록특허공보 제10-1738821호(2017.05.16)Korean Registered Patent Publication No. 10-1738821 (2017.05.16)

본 발명은 상기한 종래의 문제점을 해결하기 위한 것으로 다음과 같은 목적이 갖는다.The present invention has the following objectives to solve the above-described conventional problems.

본 발명은 회전체에 드릴 연결대를 구비함으로써 드릴 공구의 길이, 즉 건드릴 숏드릴을 하나의 연결대에 의해 교체 사용이 가능하도록 하여 효율적인 가공이 이루어지도록 함과 아울러 드릴공구의 교체시간을 현저히 단축시킬 수 있는 숏드릴 연결구조를 제공하는데 그 목적이 있다.In the present invention, the length of the drill tool, that is, the gun drill short drill, can be replaced by one connecting rod by providing a drill connecting rod in the rotating body so that efficient processing can be achieved and the replacement time of the drill tool can be significantly shortened. Its purpose is to provide a short drill connection structure.

본 발명은 일측부에 모터에 의해 회전하는 회전체와,The present invention is a rotating body rotated by a motor on one side,

상기 회전체의 타측부에는 드릴공구 진입시 원활한 회전을 가이드 하는 건드릴용 가이드부시 하우징과,At the other side of the rotating body, a guide bushing housing for a gun drill that guides smooth rotation when entering the drill tool,

일측은 상기 회전체에 연동되게 설치되고 타측은 콜렛척이 구비되어 건드릴 및 숏드릴을 고정하는 연결대;를 포함하는 것에 특징이 있다.One side is installed to be interlocked with the rotating body and the other side is provided with a collet chuck to fix the gun drill and the short drill; characterized in that it includes.

본 발명은 연결대 후방은 회전체와 연동되게 설치되는 고정축과, 전방에는 건드릴 및 숏드릴을 연결하는 콜렛척이 구비되되, 상기 콜렛척은 연결대 내부로 삽입되어 건드릴 및 숏드릴을 단속하는 접속구와, 상기 접속구 외주연에는 풀고 조임에 의해 상기 접속구를 압축해지 하는 조임캡을 포함하는 것을 특징이 있다.In the present invention, the rear of the connecting rod is provided with a fixed shaft interlocked with the rotating body, and a collet chuck connecting the gun drill and the short drill is provided in the front, and the collet chuck is inserted into the connecting rod to intercept the gun drill and the short drill. It characterized in that it comprises a tightening cap for compressing the connection port by loosening and tightening the outer periphery of the connection port.

본 발명은 접속구의 몸체부와 헤드부가 일체로 이루어지되, 상기 몸체부와 헤드부의 표면은 등간격으로 절개형성되며, 상기 헤드부의 외주연에는 조임력을 증대시키는 조임돌기가 더 구비된 것에 특징이 있다.The present invention is characterized in that the body portion and the head portion of the connection port are integrally formed, the surfaces of the body portion and the head portion are cut at equal intervals, and a tightening protrusion for increasing the tightening force is further provided at the outer periphery of the head portion. .

본 발명은 헤드부의 내주연에는 드릴공구의 압지력을 증대시키기 위한 압지돌기가 더 구비되는 것을 특징이 있다.The present invention is characterized in that the inner periphery of the head portion is further provided with a pressing protrusion for increasing the pressing force of the drill tool.

본 발명은 콜렛척이 구비되는 드릴 연결대를 제공함으로써 건드릴 및 숏드릴의 교체 사용이 간편함과 아울러 드릴 공구의 교체시간을 현저히 단축시킬 수 있는 효과는 물론, 다양한 공구 체결 적용이 가능한 효과가 있다.In the present invention, by providing a drill connecting rod equipped with a collet chuck, it is easy to replace and use a gun drill and a short drill, as well as an effect of remarkably shortening the replacement time of a drill tool, as well as various tool fastening applications.

도 1은 본 발명의 실시 예에 따른 건드릴 장치의 구성을 설명하기 위한 도면.
도 2는 본 발명의 실시 예에 따른 건드릴 장치의 숏드릴 연결구조를 설명하기 위한 사시도.
도 3은 본 발명의 실시 예에 따른 건드릴 장치의 숏드릴 연결구조를 설명하기 위한 단면도.
도 4는 본 발명의 실시 예에 따른 드릴공구의 고정을 위한 콜릿척 구조의 제 1실시예시도.
도 5는 본 발명의 실시 예에 따른 드릴공구의 고정을 위한 콜릿척 구조의 제2실시예시도.1 is a view for explaining the configuration of a gun drilling device according to an embodiment of the present invention.
2 is a perspective view illustrating a connection structure of a short drill of a gun drill device according to an embodiment of the present invention.
3 is a cross-sectional view illustrating a connection structure of a short drill of a gun drill device according to an embodiment of the present invention.
Figure 4 is a first embodiment view of a collet chuck structure for fixing a drill tool according to an embodiment of the present invention.
Figure 5 is a second embodiment view of a collet chuck structure for fixing a drill tool according to an embodiment of the present invention.

이하에서, 첨부된 도면을 참조로 본 발명의 실시 예에 따른 건드릴 머신의 숏드릴 연결구조를 설명한다.Hereinafter, a short drill connection structure of a gun drill machine according to an embodiment of the present invention will be described with reference to the accompanying drawings.

하기에서 본 발명을 설명함에 있어서, 관련된 공지 기능 또는 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우에는 그 상세한 설명은 생략될 것이다. 또한 후술되는 용어들은 본 발명에서의 기능을 고려하여 설정된 용어들로서 이 용어들은 제품을 생산하는 생산자의 의도 또는 관례에 따라 달라질 수 있으며, 용어들의 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted. In addition, terms to be described later are terms set in consideration of functions in the present invention, and these terms may vary according to the intention or custom of a producer producing a product, and the definitions of terms should be made based on the contents throughout the present specification.

(실시 예)(Example)

도 1은 본 발명의 실시 예에 따른 건드릴 장치의 구성을 설명하기 위한 도면으로서, 본 발명은 건드릴 머신의 후방에 모터의 구동에 의해 회전되는 회전체(10)와, 상기 회전체(10)의 타측부에는 드릴공구 진입시 원활한 회전을 가이드 하는 건드릴용 가이드부시 하우징(20)과, 일측은 상기 회전체에 연동되게 설치되고 타측은 콜렛척(110)이 구비되어 건드릴 및 숏드릴을 고정하는 연결대(100)로 이루어진다.1 is a view for explaining the configuration of a gun drill device according to an embodiment of the present invention, the present invention is a rotating body 10 rotated by driving a motor at the rear of the gun drilling machine, and the rotating body 10 The other side is provided with a gun drill guide bush housing 20 that guides smooth rotation when entering the drill tool, and one side is installed to be interlocked with the rotating body and the other side is provided with a collet chuck 110 to fix the gun drill and the short drill ( 100).

상기 건드릴용 가이드부시 하우징(20)은 전후방으로 이동 가능한 가이드대(21)에 고정설치된다.The gun drill guide bush housing 20 is fixedly installed on a guide stand 21 that is movable forward and backward.

그리고 건드릴용 가이드부시 하우징(20)의 내주연에는 연결대(100)의 삽입시 원활한 회전을 유도하는 베어링이 구비된다.In addition, a bearing for inducing smooth rotation when the connecting rod 100 is inserted is provided at the inner periphery of the guide bush housing 20 for the gun drill.

이때, 상기 베어링의 내경은 연결대(100)의 외경과 동일한 내경으로 이루어짐이 바람직하다.In this case, the inner diameter of the bearing is preferably made of the same inner diameter as the outer diameter of the connecting rod (100).

상기와 같이 건드릴용 가이드부시 하우징(20)이 연결대(100)의 외경을 정확하게 지지해줌으로써, 건드릴의 떨림이 방지되어 온전한 회전력의 전달이 가능하다.As described above, the guide bushing housing 20 for the gun drill accurately supports the outer diameter of the connecting rod 100, so that the vibration of the gun drill is prevented, and a complete rotational force can be transmitted.

한편, 상기 건드릴용 가이드부시 하우징(20) 내에 구비된 베어링은 연결대(100)의 외경에 따라 교체 사용하는 것이 바람직하다.On the other hand, it is preferable to replace and use the bearing provided in the guide bush housing 20 for the gun drill according to the outer diameter of the connecting rod 100.

도 2는 본 발명의 실시 예에 따른 건드릴 장치의 숏드릴 연결구조를 설명하기 위한 사시도으로써, 상기 연결대(100)는 후방은 회전체(10)와 연동되게 설치되는 고정축(101)과, 전방에는 건드릴 및 숏드릴을 연결하는 콜렛척(110)이 구비된다.2 is a perspective view for explaining a short drill connection structure of a gun drill device according to an embodiment of the present invention, wherein the connecting rod 100 has a fixed shaft 101 installed to be interlocked with the rotating body 10 and a front A collet chuck 110 connecting the gun drill and the short drill is provided.

상기 콜렛척(110)은 연결대 내부로 삽입되어 건드릴 및 숏드릴을 단속하는 접속구(115)와, 상기 접속구(115) 외주연에는 풀고 조임에 의해 상기 접속구(115)를 압축해지 하는 조임캡(111)으로 이루어진다.The collet chuck 110 includes a connector 115 inserted into the connecting rod to intercept the gun drill and the short drill, and a tightening cap 111 for decompressing the connector 115 by loosening and tightening the outer periphery of the connector 115. ).

상기 접속구(115)는 몸체부(116)와 헤드부(117)가 일체로 이루어지되, 상기 몸체부(116)와 헤드부(117)의 표면은 등간격으로 절개형성된다.The connector 115 is formed integrally with the body portion 116 and the head portion 117, the surface of the body portion 116 and the head portion 117 is formed at equal intervals incision.

도 4는 본 발명의 실시 예에 따른 드릴공구의 고정을 위한 콜릿척 구조의 제1실시예시도로서, 상기 헤드부(117)의 외주연에는 조임력을 증대시키는 조임돌기(118)가 더 구비된다.4 is a first example diagram of a collet chuck structure for fixing a drill tool according to an embodiment of the present invention, and a tightening protrusion 118 for increasing a tightening force is further provided at the outer periphery of the head part 117 .

즉, 드릴공구(D)가 삽입된 상태에서 상기 조임캡(111)을 회전시키면, 조임캡(111)의 내주면이 조임돌기(118)를 가압되면서 헤드부(117)가 삽입된 드릴공구의 외경을 더욱 압지하여 드릴공구의 공회전을 방지하도록 이루어진다.That is, when the tightening cap 111 is rotated while the drill tool (D) is inserted, the inner circumferential surface of the tightening cap 111 presses the tightening protrusion 118 and the outer diameter of the drill tool into which the head 117 is inserted It is made to prevent idle rotation of the drill tool by pressing it further.

도 5는 본 발명의 실시 예에 따른 드릴공구의 고정을 위한 콜릿척 구조의 제2실시예시도로서, 상기 헤드부(117)의 내주연에는 드릴공구의 압지력을 증대시키기 위한 압지돌기(119)가 구비된다.5 is a second exemplary view of a collet chuck structure for fixing a drill tool according to an embodiment of the present invention, and a pressing protrusion 119 for increasing the pressing force of the drill tool at the inner periphery of the head part 117 ) Is provided.

즉, 드릴공구(D)가 삽입된 상태에서 상기 조임캡(111)을 회전시키면, 조임캡(111)의 내주면이 헤드부(117)를 가압하게 되고, 가압과 동시에 압지돌기(119)가 드릴공구의 외주연을 선접촉 압지하여 더욱 견고하게 압지가 이루어진다.That is, when the tightening cap 111 is rotated while the drill tool (D) is inserted, the inner circumferential surface of the tightening cap 111 presses the head 117, and at the same time, the pressing paper protrusion 119 is drilled. Pressing the outer periphery of the tool in line contact makes it more solid.

이하, 본 발명에 따른 건드릴 머신의 숏드릴 연결구조의 작용을 설명하기로 한다.Hereinafter, the operation of the short drill connection structure of the gun drill machine according to the present invention will be described.

먼저, 본 발명은 연결대(100)의 후방으로 고정축이 구비되어 건드릴 머신의 회전체(10)와 효율적으로 연동되게 설치할 수 있다.First, the present invention is provided with a fixed shaft to the rear of the connecting rod 100 can be installed to be efficiently interlocked with the rotating body 10 of the gun drilling machine.

그리고 연결대(100)의 전방으로 콜렛척(110)이 구비되어 드릴공구 즉, 건드릴 및 숏드릴을 단시간 내에 효율적으로 교체 사용이 가능하다.In addition, the collet chuck 110 is provided in front of the connecting rod 100 so that the drill tool, that is, the gun drill and the short drill can be efficiently replaced and used within a short time.

드릴공구의 교체 방법은 조임캡(111)을 전방으로 회전시켜 풀은 후 사용하고자 하는 건드릴 및 숏드릴을 헤드부(117)로 삽입시키고, 상기 조임캡(111)을 후방으로 회전시켜 조이는 방법에 의해 드릴공구를 고정 시킬 수 있다.The method of replacing the drill tool is to rotate the tightening cap 111 forward and loosen it, insert the gun drill and short drill to be used into the head unit 117, and rotate the tightening cap 111 to the rear to tighten it. The drill tool can be fixed by this.

이때, 상기 헤드부(117)의 외주연 및 내주연 에는 조임돌기(118) 및 압지돌기(119)가 형성되어 있으므로 조임캡(111) 조임시 조임력이 극대화되어 안정적으로 드릴공구의 체결이 가능하다.At this time, since the tightening protrusions 118 and the pressing protrusions 119 are formed at the outer and inner circumferences of the head part 117, the tightening force is maximized when tightening the tightening cap 111 so that the drill tool can be stably fastened. .

이러한 상태에서 가공물의 홀 가공시 드릴공구가 체결된 연결대(100)가 가공물 방향으로 이동을 행하며 전방에 구비되는 건드릴용 가이드부시 하우징(20) 내로 진입하게 된다.In this state, during hole processing of the workpiece, the connecting rod 100 to which the drill tool is fastened moves in the direction of the workpiece and enters into the guide bush housing 20 for gun drill provided in the front.

상기 건드릴용 가이드부시 하우징(20)의 내부에는 연결대(100)의 외경과 동일한 내경을 갖는 베어링이 구비되어 연결대 진입후 떨림이 방지되어 원활한 회전에 의해 가공물에 홀을 가공할 수 있다.A bearing having the same inner diameter as the outer diameter of the connecting rod 100 is provided in the inside of the guide bush housing 20 for the gun drill to prevent shaking after entering the connecting rod, so that a hole can be processed in the workpiece by smooth rotation.

상기한 방식에 의해 홀 가공의 깊이 또는 홀 가공 크기에 따라 드릴공구를 쉽게 교체할 수 있어 가공물의 홀가공에 따른 작업시간을 단축시킬 수 있다.By the above-described method, it is possible to easily replace the drill tool according to the depth of hole processing or the size of hole processing, so that the working time according to the hole processing of the workpiece can be shortened.

이상으로 본 발명의 특정 실시 예들에 대하여 설명하였다.As described above, specific embodiments of the present invention have been described.

그러나 본 발명의 사상 및 범위는 이러한 특정 실시 예에 특별히 한정되는 것이 아니라, 본 발명의 요지를 변경하지 않는 범위 내에서 다양하게 수정 및 변형이 가능하다는 것을 본 발명에 속하는 기술분야에서 통상의 지식을 가진 자라면 이해해야 할 것이다.However, the spirit and scope of the present invention is not particularly limited to these specific embodiments, and various modifications and variations are possible within the scope of not changing the subject matter of the present invention. Anyone who has it will have to understand.

따라서, 전술된 실시 예들은 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자에게 발명의 범주를 완전하게 알려주기 위해 제공되는 것이므로, 모든 면에서 예시적인 것이며 한정적이 아닌 것으로 이해해야만 하며, 본 발명은 청구항의 범주에 의해 정의될 뿐이다.Accordingly, the above-described embodiments are provided to completely inform the scope of the invention to those of ordinary skill in the technical field to which the present invention pertains, so it should be understood that it is illustrative and non-limiting in all respects. Is only defined by the scope of the claims.

100: 연결대 110: 콜렛척
111: 조임캡 115: 접속구
116: 몸체부 117: 헤드부
118: 조임돌기 119: 압지돌기
D: 드릴공구100: connecting rod 110: collet chuck
111: tightening cap 115: connection port
116: body portion 117: head portion
118: tightening protrusion 119: thumb protrusion
D: Drill tool

Claims (4)

일측부에 모터에 의해 회전하는 회전체(10)와,
상기 회전체(10)의 타측부에는 드릴공구 진입시 원활한 회전을 가이드 하는 건드릴용 가이드부시 하우징(20)과,
일측은 상기 회전체(10)에 연동되게 설치되고 타측은 콜렛척(110)이 구비되어 건드릴 및 숏드릴을 고정하는 연결대(100);를 포함하되,
상기 연결대(100)는
후방은 회전체(10)와 연동되게 설치되는 고정축(101)과,
전방에는 건드릴 및 숏드릴을 연결하는 콜렛척(110)이 구비되되,
상기 콜렛척(110)은
연결대(100) 내부로 삽입되어 건드릴 및 숏드릴을 단속하는 접속구(115)와,
상기 접속구(115) 외주연에는 풀고 조임에 의해 상기 접속구(115)를 압축해지 하는 조임캡(111)을 포함하고,
상기 접속구(115)는
몸체부(116)와 헤드부(117)가 일체로 이루어지되,
상기 몸체부(116)와 헤드부(117)의 표면은 등간격으로 절개형성되며, 상기 헤드부(117)의 외주연에는 조임력을 증대하여 드릴공구(D)가 삽입된 상태에서 조임캡(111)을 회전시키면 조임캡(111)의 내주면이 가압하면서 헤드부(117)가 삽입된 드릴공구의 외경을 압지하여 드릴공구의 공회전을 방지하도록 구비되는 조임돌기(118)를 포함하며,
상기 헤드부(117)의 내주연에는 드릴공구의 압지력을 증대시키기 위해 구비되는 압지돌기(119)를 포함하는 것을 특징으로 하는 건드릴 머신의 숏드릴 연결구조.A rotating body 10 rotated by a motor on one side,
At the other side of the rotating body 10, a guide bushing housing 20 for a gun drill that guides smooth rotation when entering the drill tool,
One side is installed to be interlocked with the rotating body 10 and the other side is provided with a collet chuck 110 to fix the gun drill and the short drill, including;
The connecting rod 100 is
The rear is a fixed shaft 101 installed to be interlocked with the rotating body 10,
A collet chuck 110 connecting the gun drill and the short drill is provided in the front,
The collet chuck 110 is
A connection port 115 inserted into the connecting rod 100 to control the gun drill and the short drill,
The connection port 115 includes a tightening cap 111 for compressing the connection port 115 by loosening and tightening at the outer periphery,
The connection port 115 is
The body portion 116 and the head portion 117 are made integrally,
The surface of the body part 116 and the head part 117 is cut at equal intervals, and the tightening force is increased at the outer periphery of the head part 117 to increase the tightening cap 111 while the drill tool (D) is inserted. ) When the inner circumferential surface of the tightening cap 111 is pressed while pressing the outer diameter of the drill tool into which the head portion 117 is inserted, and a tightening protrusion 118 provided to prevent idle rotation of the drill tool,
The short drill connection structure of the gun drill machine, characterized in that it comprises a pressing protrusion (119) provided to increase the pressing force of the drill tool at the inner periphery of the head (117). 삭제delete 삭제delete 삭제delete
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Publication number Priority date Publication date Assignee Title
KR102466656B1 (en) * 2021-07-05 2022-11-17 김호중 adapter for gun dril

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Publication number Priority date Publication date Assignee Title
JPH1043982A (en) * 1996-05-17 1998-02-17 Sugino Corp Tool attachment
KR100978778B1 (en) 2008-05-14 2010-08-30 (주)슈펙스 A connector
KR20140096539A (en) * 2013-01-28 2014-08-06 한국건드릴 주식회사 Multi-purpose spindle apparatus for deep hole drilling machine
KR101664325B1 (en) 2015-11-19 2016-10-10 이승우 Guide bush for gundrill
KR101738821B1 (en) 2016-09-22 2017-05-22 서경무 The drill hole straightness correction device
KR101814198B1 (en) * 2017-04-28 2018-01-03 이승우 Guide bush housing for gundrill

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1043982A (en) * 1996-05-17 1998-02-17 Sugino Corp Tool attachment
KR100978778B1 (en) 2008-05-14 2010-08-30 (주)슈펙스 A connector
KR20140096539A (en) * 2013-01-28 2014-08-06 한국건드릴 주식회사 Multi-purpose spindle apparatus for deep hole drilling machine
KR101664325B1 (en) 2015-11-19 2016-10-10 이승우 Guide bush for gundrill
KR101738821B1 (en) 2016-09-22 2017-05-22 서경무 The drill hole straightness correction device
KR101814198B1 (en) * 2017-04-28 2018-01-03 이승우 Guide bush housing for gundrill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102466656B1 (en) * 2021-07-05 2022-11-17 김호중 adapter for gun dril

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