KR102364821B1 - Cutting tool having vibration reducing system - Google Patents

Cutting tool having vibration reducing system Download PDF

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Publication number
KR102364821B1
KR102364821B1 KR1020210129430A KR20210129430A KR102364821B1 KR 102364821 B1 KR102364821 B1 KR 102364821B1 KR 1020210129430 A KR1020210129430 A KR 1020210129430A KR 20210129430 A KR20210129430 A KR 20210129430A KR 102364821 B1 KR102364821 B1 KR 102364821B1
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South Korea
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coupling
cutting tool
coupling part
vibration
groove
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KR1020210129430A
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Korean (ko)
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권대규
이세한
김채환
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권대규
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/02—Boring bars
    • B23B29/022—Boring bars with vibration reducing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/04—Tool holders for a single cutting tool
    • B23B29/12—Special arrangements on tool holders
    • B23B29/125—Vibratory toolholders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2250/00—Compensating adverse effects during turning, boring or drilling
    • B23B2250/16—Damping of vibrations

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The present invention provides a cutting tool (10) with a vibration reduction system that reduces vibrations generated in a machine tool when performing precision machining during workpiece machining, and can extend the life of the cutting tool (10). The cutting tool with a vibration reduction system of the present invention is composed of a cutting tool (10) including a holder body (11) having a front end to which a cutting insert (12) is fixed, and a vibration reduction member (100) coupled and fixed to a rear end of the cutting tool (10). The vibration reduction member (100) includes: a vibration damping unit (110) consisting of a first coupling portion (110a) and a second coupling portion (110b); and a coupling support unit (120) consisting of a socket portion (121) on one side and a connection body (122) formed on the other side of the socket portion (121) and having a structure corresponding to an outer form of a holder body (11) of the cutting tool (10). In the first coupling portion (110a), a coupling groove (111) corresponding to the shape of the rear end is formed on one side of the first coupling portion (110a) so that the rear end of the cutting tool (10) is inserted, and second bolt holes (113) are formed on one outer circumferential surface to respectively correspond to four positions of first bolt holes (13) formed on the rear end of the cutting tool (10). The second coupling portion (110b) is positioned on the other side of the first coupling portion (110a) and has one side in surface contact with the other side of the first coupling portion (110a). The socket portion (121) accommodates the vibration damping unit (110) closely therein and has third bolt holes (121-2) corresponding to positions of the second bolt holes (113) of the first coupling portion (110a).

Description

진동저감시스템을 갖춘 절삭공구{CUTTING TOOL HAVING VIBRATION REDUCING SYSTEM}Cutting tool with vibration reduction system {CUTTING TOOL HAVING VIBRATION REDUCING SYSTEM}

본 발명은 진동저감시스템을 갖춘 절삭공구에 관한 것으로, 특히 공작기계에 발생되는 진동을 저감시켜 공작물 가공시 정밀 가공을 수행하면서 절삭공구의 수명을 연장할 수 있는 진동저감시스템을 갖춘 절삭공구에 관한 것이다.The present invention relates to a cutting tool equipped with a vibration reduction system, and more particularly, to a cutting tool equipped with a vibration reduction system capable of extending the life of the cutting tool while performing precision machining during workpiece machining by reducing vibration generated in the machine tool. will be.

공작 기계의 사용시 발생하는 진동은 기계 또는 공구의 사용 효율 및 공작물의 정밀도를 저감시킬 수 있다. 진동은 공구의 마모, 파손, 스핀들 베어링의 마모 및 고장, 공작물 표면의 조도 불량, 제품의 품질 저하 및 에너지 소비 증가와 같이 다방면에 걸쳐 영향을 끼칠 수 있다.Vibration generated during use of the machine tool may reduce the use efficiency of the machine or tool and the precision of the workpiece. Vibration can affect in many ways, such as wear and tear of tools, wear and failure of spindle bearings, poor surface roughness of workpieces, deterioration of product quality and increased energy consumption.

더욱이 기계 가공으로 인하여 스핀들, 공구홀더 및 공구에서 발생하는 열역학적 및 동역학적 거동은 공작물의 정확성 및 생산성에 직접적인 영향을 주게 된다.Moreover, the thermodynamic and kinematic behavior of the spindle, tool holder and tool due to machining directly affects the accuracy and productivity of the workpiece.

통상 스틸(steel)계 공작물을 절삭하는 공작 기계용 절삭공구는 강성이 우수한 합금강으로 제작이 되도 있으나 자체 절삭공구의 고유진동수가 매우 높기 때문에 얇고 긴 형상의 공구일 경우 절삭력에 의해 떨림이 쉽게 발생하는 문제점이 있을 뿐만 아니라 직접 공작물에 접촉이 되어 커팅을 수행하는 절삭날인 인서트의 수명이 단축되는 문제가 발생하게 된다.In general, cutting tools for machine tools that cut steel-based workpieces are made of alloy steel with excellent rigidity. Not only is there a problem, but there is a problem in that the life of the insert, which is a cutting edge that directly comes into contact with the workpiece to perform cutting, is shortened.

또한, 절삭공구의 진동에 의해 절삭가공이 불가능한 경우도 자주 발생하게 되어 진동을 억제할 수 있는 방진장치가 요구되는 실정이다.In addition, the case where cutting processing is impossible due to vibration of the cutting tool occurs frequently, and a vibration isolator capable of suppressing vibration is required.

이러한 절삭공구의 진동은 공작물의 표면조도를 저하시키고, 절삭공구와 절삭공구가 장착되는 스핀들의 수명을 비정상적으로 단축시키는 문제점이 있다.Such vibration of the cutting tool has a problem in that the surface roughness of the work piece is deteriorated and the lifespan of the cutting tool and the spindle on which the cutting tool is mounted is abnormally shortened.

1. 대한민국 등록특허 제10-2145697호(진동 감쇠 시스템 및 이를 이용한 공작기계 절삭력 추정 방법)1. Republic of Korea Patent No. 10-2145697 (Vibration damping system and machine tool cutting force estimation method using the same) 2. 대한민국 등록특허 제10-1145576호(방진장치 및 그 방진장치가 구비된 절삭공구)2. Republic of Korea Patent No. 10-1145576 (vibration protection device and cutting tool equipped with the vibration protection device)

본 발명은 상기 문제점을 해소하기 위하여 안출된 것으로, 공작기계에 설치되어, 공작물에 대한 가공시 발생되는 공작기계의 절삭공구 구동 중 발생되는 진동을 저감시켜 공작물의 정밀 가공을 수행할 수 있는 진동저감시스템을 갖춘 절삭공구를 제공함에 있다.The present invention has been devised to solve the above problems, and it is installed in a machine tool and reduces vibration generated during driving of a cutting tool of the machine tool that is generated during machining of the work piece, thereby reducing vibration that can perform precise machining of the work piece. To provide a cutting tool equipped with a system.

본 발명은 전단부에 절삭인서트가 고정되는 홀더몸체를 포함하는 절삭공구와, 상기 절삭공구의 후단부에 결합 고정되는 진동저감부재로 구성되며,The present invention is composed of a cutting tool including a holder body to which a cutting insert is fixed to the front end, and a vibration reducing member coupled and fixed to the rear end of the cutting tool,

상기 진동저감부재는,The vibration reducing member,

상기 절삭공구의 후단부가 삽입되도록 후단부 형상에 대응된 결합홈이 일측에 형성되면서 절삭공구 후단부 사방면에 각각 형성된 제1볼트공 위치에 대응되도록 일측 외주면에 제2볼트공이 형성된 제1결합부와 상기 제1결합부의 타측에 위치하여 제1결합부의 타측면으로 일측면이 면접되는 제2결합부로 구성된 진동완충부와,A first coupling portion in which a second bolt hole is formed on one outer circumferential surface to correspond to the position of the first bolt hole formed on all four sides of the rear end of the cutting tool while a coupling groove corresponding to the shape of the rear end is formed on one side so that the rear end of the cutting tool is inserted And a vibration damping unit located on the other side of the first coupling part and composed of a second coupling part in which one side is interviewed to the other side of the first coupling part;

상기 진동완충부를 내부로 긴밀히 수용하면서 제1결합부의 제2볼트공 위치에 대응된 제3볼트공이 형성된 일측의 소켓부와 상기 소켓부의 타측에 연결되어 절삭공구의 홀더몸체의 외형에 대응된 구조를 가진 연결몸체로 구성된 결합지지부를 포함하는 진동저감시스템을 갖춘 절삭공구를 제공한다.A structure corresponding to the outer shape of the holder body of the cutting tool by closely accommodating the vibration damping part inside and connecting the socket part on one side where the third bolt hole corresponding to the position of the second bolt hole of the first coupling part is formed and the other side of the socket part It provides a cutting tool equipped with a vibration reduction system including a coupling support configured with a connecting body with a vibration.

한편, 상기 진동완충부를 구성하는 제1결합부와 제2결합부가 상호 면접되도록(면밀착되는) 제1결합부의 타측면이 소정의 각도로 기울어진 제1경사면 그리고 상기 제1경사면에 대응되는 제2결합부의 일측면이 제2경사면으로 형성되며,On the other hand, the other side of the first coupling part is inclined at a predetermined angle so that the first coupling part and the second coupling part constituting the vibration damping part are in contact with each other (surface-close), and a first inclined surface corresponding to the first inclined surface. One side of the 2 coupling part is formed as a second inclined surface,

상기 제1결합부는 결합홈 및 제2볼트공이 형성된 일측의 제1몸체와 상기 제1몸체의 길이에 대응되도록 타측의 제2몸체로 구분되어 제2몸체의 외주면 절반 외주가 내측으로 내입된 제1결합홈부가 형성되고,The first coupling portion is divided into a first body on one side having a coupling groove and a second bolt hole formed thereon and a second body on the other side to correspond to the length of the first body, so that the outer periphery of the second body is half the outer periphery of the first A coupling groove is formed,

상기 제1결합부의 제1결합홈부 위치에 대향되도록 제2결합부의 외주면 절반외주가 내측으로 내입된 제2결합홈부가 형성되고,A second coupling groove is formed in which the outer periphery of the second coupling part is opposite to the position of the first coupling groove part of the first coupling part.

상기 결합지지부의 소켓부 내주면 일측에 제1결합부의 제1결합홈부에 대응되는 제1결합돌기가 형성되면서 소켓부 내주면 타측에 제2결합부의 제2결합홈부에 대응되는 제2결합돌기가 형성되는 진동저감시스템을 갖춘 절삭공구를 제공한다.A first coupling protrusion corresponding to the first coupling groove of the first coupling part is formed on one side of the inner circumferential surface of the socket part of the coupling support part, and a second coupling protrusion corresponding to the second coupling recess of the second coupling part is formed on the other side of the inner circumferential surface of the socket part. A cutting tool equipped with a vibration reduction system is provided.

한편, 상기 제1결합부와 제2결합부가 밀착된 형태의 진동완충부 내부 중앙에 수평으로 배치되며, 상기 제1결합부의 타측면 중앙에 내측으로 소정길이로 내입된 끼움공과 상기 끼움공의 양측으로 각각 걸림홈이 끼움공과 내통되도록 형성되면서 제1결합부의 일측면에 마주하는 제2결합부의 일측면 중앙에 끼움공과 걸림홈이 대응되도록 형성되며,On the other hand, the first coupling part and the second coupling part are arranged horizontally in the center of the vibration damping part in a form in close contact, and the fitting hole inserted into the center of the other side of the first coupling part by a predetermined length and both sides of the fitting hole As each of the engaging grooves is formed to communicate internally with the fitting hole, the fitting hole and the locking groove are formed to correspond to the center of one side of the second coupling part facing one side of the first coupling part,

상기 제1결합부와 제2결합부 각각의 끼움공과 걸림홈으로 삽입 결합되도록 양측에 각각 형성된 걸림돌기와 상기 걸림돌기 각각의 중앙에 연결되어 소정 길이로 연장된 지지대와 상기 지지대와 지지대 사이를 연결하여 나선형으로 비틀어진 판재형의 완충판으로 구성된 완충블록이 더 포함되는 진동저감시스템을 갖춘 절삭공구를 제공한다.The first coupling part and the second coupling part, respectively, to be inserted into and coupled to the fitting hole and the locking groove, and a support connected to the center of each of the locking projections and extended to a predetermined length, and the support and the support. It provides a cutting tool equipped with a vibration reduction system that further includes a buffer block composed of a spirally twisted plate-type buffer plate.

본 발명의 실시예에 따른 진동저감시스템을 갖춘 절삭공구에 의하면, 절삭공구의 일부에 진동저감부재를 구비함으로써 절삭공구에서 발생하는 진동수와 절삭공구 구동부에서 전달되는 진동이 진동저감부재에서 진동수가 상쇄 및 진동이 감소됨으로서 공작물의 정밀 가공을 유도하는 효과가 있으며, 또한 진동이 감소된 절삭공구의 가옹으로 인해 공작물의 가공표면 조도가 개선될 수 있고, 절삭공구와 이 절삭공구가 장착되는 공구홀더 및 스핀들의 수명이 단축되는 것을 방지할 수 있으며, 이온 인해 절삭가공의 안정성을 향상시키고 경제적이며 고능률 절삭가공을 실현할 수 있다.According to the cutting tool having a vibration reduction system according to an embodiment of the present invention, by providing a vibration reducing member in a part of the cutting tool, the frequency generated by the cutting tool and the vibration transmitted from the cutting tool driving unit are offset by the vibration reducing member And vibration is reduced, which has an effect of inducing precision machining of the workpiece, and also the machining surface roughness of the workpiece can be improved due to the holding of the cutting tool with reduced vibration, and the cutting tool and the tool holder on which the cutting tool is mounted; It can prevent the spindle life from being shortened, improve the stability of cutting due to ions, and realize economical and high-efficiency cutting.

도 1은 본 발명의 실시예에 따른 진동저감시스템을 갖춘 절삭공구의 사시도.
도 2는 본 발명의 실시예에 따른 진동저감시스템을 갖춘 절삭공구의 분리 결합도.
도 3은 본 발명의 실시예에 따른 진동저감시스템을 갖춘 절삭공구에서 진동저감부재의 분리 결합도.
도 4는 본 발명의 실시예에 따른 진동저감시스템을 갖춘 절삭공구에서 진동저감부재가 설치된 상태에서의 단면도.
도 5는 본 발명의 실시예에 따른 진동저감시스템을 갖춘 절삭공구에서 진동저감부재의 진동완충부를 구성하는 제1결합부와 제2결합부가 결합된 상태의 사이로 완충블록이 결합되는 분리도.
도 6은 본 발명의 실시예에 따른 진동저감시스템을 갖춘 절삭공구에서 제1결합부의 사시도(a)와 제2결합부의 사시도(b).
도 7은 본 발명의 실시예에 따른 진동저감시스템을 갖춘 절삭공구에서 완충블록의 사시도(a)와 정면도(b).1 is a perspective view of a cutting tool having a vibration reduction system according to an embodiment of the present invention;
2 is a separate and combined view of a cutting tool equipped with a vibration reduction system according to an embodiment of the present invention.
Figure 3 is a separate coupling view of the vibration reduction member in the cutting tool equipped with the vibration reduction system according to the embodiment of the present invention.
4 is a cross-sectional view in a state in which a vibration reducing member is installed in a cutting tool equipped with a vibration reducing system according to an embodiment of the present invention.
5 is an exploded view in which the buffer block is coupled between the first coupling part and the second coupling part constituting the vibration damping part of the vibration reducing member in the cutting tool equipped with the vibration reducing system according to the embodiment of the present invention.
6 is a perspective view (a) and a perspective view of a second coupling part in a cutting tool equipped with a vibration reduction system according to an embodiment of the present invention (a) and a second coupling part.
7 is a perspective view (a) and a front view (b) of a buffer block in a cutting tool equipped with a vibration reduction system according to an embodiment of the present invention.

상기한 목적을 달성하기 위해 하기와 같은 상세한 설명 및 도면을 통해 상세히 설명한다.In order to achieve the above object, it will be described in detail through the following detailed description and drawings.

이하 첨부된 도면을 참조하여 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 본 발명의 기술적 사상을 용이하게 실시할 수 있도록 상세하게 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, it will be described in detail so that those of ordinary skill in the art to which the present invention pertains can easily practice the technical idea of the present invention.

먼저, 절삭공구(10)에 의해 공작물을 가공시 발생되는 진동과 절삭공구(10)의 상관관계를 살펴보면, 모든 물체는 고유진동수를 가지고 있으며, 고유진동수는 그 물체에 외력을 주고 외력을 제거하면 물체는 계속해서 진동하는데 이때 진동하는 속도를 “고유진동수”라고 하며, 이때 상기 절삭공구의 재질은 매우 강한 합금강을 사용하기 때문에 고유진동수가 매우 높으며 이는 외력에 대해 쉽게 진동을 발생할 수 있는 조건을 갖추게 된다.First, looking at the correlation between the vibration generated when machining a workpiece by the cutting tool 10 and the cutting tool 10, all objects have natural frequencies, and the natural frequencies are when an external force is applied to the object and the external force is removed. The object continues to vibrate, and the speed at which it vibrates is called “natural frequency”. do.

이에, 상기 절삭공구(10)의 진동저감부재(100)를 장착함으로서 절삭공구(10)의 고유진동수를 낮추어 진동이 쉽게 발생되는 조건에서 진동을 억제할 수 있도록 하는 것이다.Accordingly, by installing the vibration reducing member 100 of the cutting tool 10, the natural frequency of the cutting tool 10 is lowered to suppress vibration under a condition in which vibration is easily generated.

도 1 내지 도 4에 나타낸 바와 같이 본 발명의 절삭공구 구조를 상세히 설명하면, 전단부에 절삭인서트(12)가 고정되는 홀더몸체(11)를 포함하는 절삭공구(10)와, 상기 절삭공구(10)의 후단부에 결합 고정되는 진동저감부재(100)로 구성되며,1 to 4, when the structure of the cutting tool of the present invention is described in detail, the cutting tool 10 includes a holder body 11 in which the cutting insert 12 is fixed to the front end, and the cutting tool ( 10) is composed of a vibration reducing member 100 coupled and fixed to the rear end,

상기 진동저감부재(100)는,The vibration reducing member 100,

상기 절삭공구(10)의 후단부가 삽입되도록 후단부 형상에 대응된 결합홈(111)이 일측에 형성되면서 절삭공구(10) 후단부 사방면에 각각 형성된 제1볼트공(13) 위치에 대응되도록 일측 외주면에 제2볼트공(113)이 형성된 제1결합부(110a)와 상기 제1결합부(110a)의 타측에 위치하여 제1결합부(110a)의 타측면으로 일측면이 면접되는 제2결합부(110b)로 구성된 진동완충부(110)와,A coupling groove 111 corresponding to the shape of the rear end is formed on one side so that the rear end of the cutting tool 10 is inserted so as to correspond to the positions of the first bolt holes 13 respectively formed on all four sides of the rear end of the cutting tool 10 A first coupling part 110a having a second bolt hole 113 formed on one outer circumferential surface and a first coupling part 110a positioned on the other side of the first coupling part 110a, one side being interviewed with the other side of the first coupling part 110a A vibration damping unit 110 composed of two coupling units 110b, and

상기 진동완충부(110)를 내부로 긴밀히 수용하면서 제1결합부(110a)의 제2볼트공(113) 위치에 대응된 제3볼트공(121-2)이 형성된 일측의 소켓부(121)와 상기 소켓부(121)의 타측에 연결되어 절삭공구(10)의 홀더몸체(11) 외형에 대응된 구조를 가진 연결몸체(122)로 구성된 결합지지부(120)를 포함하는 진동저감시스템을 갖춘 절삭공구(10, 이하, ‘절삭공구’로 칭함.)를 제공한다.One side of the socket part 121 in which the third bolt hole 121-2 corresponding to the position of the second bolt hole 113 of the first coupling part 110a is formed while closely accommodating the vibration damping part 110 to the inside. And a vibration reduction system including a coupling support unit 120 connected to the other side of the socket unit 121 and composed of a connection body 122 having a structure corresponding to the outer shape of the holder body 11 of the cutting tool 10 A cutting tool (10, hereinafter referred to as a 'cutting tool') is provided.

상기 절삭공구(10)는 선반 등과 같은 가공장치의 공구 홀더(미도시)에 장착되어 직선길이의 홀더몸체(11) 전단부에 장착된 절삭인서트(12)에 의해 절삭을 수행할 수 있으며, 가공 대상 및 가공 형태에 따라 다양한 종류의 절삭인서트(12)가 적용될 수 있음은 물론이다.The cutting tool 10 is mounted on a tool holder (not shown) of a processing device such as a lathe, and can be cut by a cutting insert 12 mounted on the front end of the straight-length holder body 11 , It goes without saying that various types of cutting inserts 12 may be applied depending on the object and the processing form.

도 2와 도 3에 나타낸 바와 같이 상기 진동저감부재(100)는 절삭공구(10)의 후단부에 결합 고정된 소정의 직선길이로 연장 결합되며, 상기 절삭공구(10)의 홀더몸체(11) 후단부에 결속 결합되는 일측의 제1결합부(110a)와 상기 제1결합부(110a) 타면에 밀착 및 면접촉으로 면접되는 제2결합부(110b)로 구성된 진동완충부(110)와, 상기 진동완충부(110)를 내부로 수용하면서 홀더몸체(11) 후단부에 제1결합부(110a)와 함께 결합 고정되는 소켓부(121)와 상기 소켓부(121)의 타단에서 소정길이로 수평 연장된 연결몸체(122)로 구성된 결합지지부(120)로 구성된다.As shown in FIGS. 2 and 3 , the vibration reducing member 100 is extended and coupled with a predetermined straight length coupled and fixed to the rear end of the cutting tool 10 , and the holder body 11 of the cutting tool 10 . A vibration damping unit 110 consisting of a first coupling part 110a on one side coupled to the rear end and a second coupling part 110b that is in close contact with the other surface of the first coupling part 110a and is interviewed by surface contact; While accommodating the vibration damping part 110 inside, the socket part 121 coupled and fixed together with the first coupling part 110a to the rear end of the holder body 11 and the other end of the socket part 121 to a predetermined length. It is composed of a coupling support unit 120 composed of a horizontally extending connection body 122 .

상기 진동완충부(110)는 일측의 제1결합부(110a)와 타측의 제2결합부(110b)로 구성되어 상호 수평길이로 면접되는 배치구조를 가지며, 상기 제2결합부(110b)는 절삭공구(10) 홀더몸체(11)의 후단부가 삽입되도록 홀더몸체(11)의 후단부 형상에 대응된 결합홈(111)이 일측면 내부로 요입되게 형성되며, 상기 홀더몸체(11) 후단부 외면에 형성된 복수 개의 제1볼트공(13) 위치에 대응되도록 결합홈(111)이 위치한 일측 외주면에 제2볼트공(113)이 형성된다.The vibration damping unit 110 is composed of a first coupling part 110a on one side and a second coupling part 110b on the other side, and has an arrangement structure in which they are interviewed in a horizontal length with each other, and the second coupling part 110b is A coupling groove 111 corresponding to the shape of the rear end of the holder body 11 is formed to be recessed into one side of the cutting tool 10 so that the rear end of the holder body 11 is inserted, and the rear end of the holder body 11 A second bolt hole 113 is formed on the outer peripheral surface of one side where the coupling groove 111 is located so as to correspond to the positions of the plurality of first bolt holes 13 formed on the outer surface.

상기 제2결합부(110b)는 제1결합부(110a)의 타면에 일면이 면접되어 제1, 2결합부(110a)(110b)가 나란히 배열된 배치구조를 가진다.The second coupling part 110b has an arrangement structure in which one surface is surfaced on the other surface of the first coupling part 110a, and the first and second coupling parts 110a and 110b are arranged side by side.

그리고, 결합지지부(120)는 진동완충부(110)를 내부로 수용하여 홀더몸체(11) 후방으로 수평길이로 연장된 배치구조를 가지며, 상기 소켓부(121)는 일측면이 개방되면서 타측면이 밀폐된 형태를 가진 수용홈(121-1)이 일측면 내부로 요입되게 형성되며, 이때 수용홈(121-1)의 수평길이는 진동완충부(110)의 수평길이에 대응되면서 수용홈(121-1)의 내경은 진동완충부(110)의 외경에 대응된 형태를 가지며, 상기 진동완충부(110)를 내부로 긴밀히 수용 결합되도록 제1결합부(110a)의 제2볼트공(113) 위치에 대응된 제3볼트공(121-2)이 형성된다.In addition, the coupling support unit 120 has an arrangement structure extending horizontally to the rear of the holder body 11 by accommodating the vibration damping unit 110 inside, and the socket unit 121 has one side open while the other side surface. The accommodating groove 121-1 having a closed shape is formed to be recessed into the inside of one side, and at this time, the horizontal length of the accommodating groove 121-1 corresponds to the horizontal length of the vibration damping unit 110 and the accommodating groove ( The inner diameter of 121-1) has a shape corresponding to the outer diameter of the vibration damping unit 110, and the second bolt hole 113 of the first coupling unit 110a is tightly received and coupled to the inside of the vibration damping unit 110. ) The third bolt hole 121-2 corresponding to the position is formed.

상기 연결몸체(122)는 타측면 중앙에 연결되어 절삭공구(10)의 홀더몸체(11) 외형에 대응된 구조를 가지며, 이때 홀더몸체(11)의 수직 단면적에 대응된 연결몸체(122)의 수직 단면적을 가질 수 있다.The connection body 122 is connected to the center of the other side and has a structure corresponding to the outer shape of the holder body 11 of the cutting tool 10, in this case, the connection body 122 corresponding to the vertical cross-sectional area of the holder body 11. It may have a vertical cross-sectional area.

그리고, 도 2와 도 3에 나타낸 바와 같이 상기 진동완충부(110)를 구성하는 제1결합부(110a)와 제2결합부(110b)가 상호 면접 즉, 면(面) 밀착되도록 제1결합부(110a)의 타측면이 소정의 각도로 기울어진 제1경사면(112a) 그리고 상기 제1경사면(112a)에 대응되는 제2결합부(110b)의 일측면이 제2경사면(112b)으로 형성되며,And, as shown in FIGS. 2 and 3 , the first coupling part 110a and the second coupling part 110b constituting the vibration damping part 110 are first coupled so that the first coupling part 110a and the second coupling part 110b are in close contact with each other. A first inclined surface 112a in which the other side of the part 110a is inclined at a predetermined angle, and one side of the second coupling part 110b corresponding to the first inclined surface 112a are formed as a second inclined surface 112b. becomes,

상기 제1결합부(110a)는 결합홈(111) 및 제2볼트공(113)이 형성된 일측의 제1몸체(110a-1)와 상기 제1몸체(110a-1)의 길이에 대응되도록 타측의 제2몸체(110a-2)로 구분되어 제2몸체(110a-2)의 외주면 절반 외주가 내측으로 내입된 제1결합홈부(114a)가 형성되고,The first coupling part 110a has a coupling groove 111 and a second bolt hole 113 formed on one side of the first body 110a-1 and the other side to correspond to the length of the first body 110a-1. is divided into a second body (110a-2) of the second body (110a-2), the outer peripheral half of the outer periphery of the first coupling groove (114a) is formed inwardly,

상기 제1결합부(110a)의 제1결합홈부(114a) 위치에 대향되도록 제2결합부(110b)의 외주면 절반 외주가 내측으로 내입된 제2결합홈부(114b)가 형성되고,A second coupling groove portion 114b in which the outer periphery of the second coupling portion 110b is opposite to the position of the first coupling groove portion 114a of the first coupling portion 110a is formed.

상기 결합지지부(120)의 소켓부(121) 수용홈(121-1) 내주면 일측에 제1결합부(110a)의 제1결합홈부(114a)에 대응되는 제1결합돌기(121-3a)가 형성되면서 소켓부(121)의 수용홈(121-1) 내주면 타측에 제2결합부(p110b)의 제2결합홈부(114b)에 대응되는 제2결합돌기(121-3b)가 형성되는 절삭공구(10)를 제공한다.A first coupling protrusion 121-3a corresponding to the first coupling groove 114a of the first coupling part 110a is formed on one side of the inner peripheral surface of the socket part 121 receiving groove 121-1 of the coupling support part 120. A cutting tool in which a second engaging protrusion 121-3b corresponding to the second engaging groove 114b of the second engaging portion p110b is formed on the other side of the inner peripheral surface of the receiving groove 121-1 of the socket unit 121 while being formed. (10) is provided.

도 3과 도 4에 나타낸 바와 같이 상기 진동완충부(110)의 제1결합부(110a)와 제2결합부(110b)가 상호 면접되면서 수평상의 밀착구조를 가지도록 제1결합부(110a)의 타측면 전체가 소정의 각도로 기울어진 제1경사면(112a) 그리고 상기 제1경사면(112a)에 대응되는 제2결합부(110b)의 일측면 전체가 제2경사면(112b)을 형성함으로서 제1결합부(110a)의 제1경사면(112a)과 제2결합부(110b)의 제2경사면(112b)이 서로 면(面) 접촉하는 밀착형태를 가지며, 즉 제1경사면(112a)과 제2경사면(112b)은 상호 대향된 형상의 경사면과 역경사면으로 형성되며, 이때 제1, 2경사면(112a)(112b)이 상호 경사형태로 면접촉함으로서 전달되는 진동을 랜덤방향으로 분산시켜 저감시키게 된다.As shown in FIGS. 3 and 4 , the first coupling part 110a and the second coupling part 110b of the vibration damping part 110 are interviewed with each other and the first coupling part 110a so as to have a horizontal close contact structure. The second inclined surface 112b is formed so that the entire other side of the first inclined surface 112a is inclined at a predetermined angle and the entire one side of the second coupling part 110b corresponding to the first inclined surface 112a forms the second inclined surface 112b The first inclined surface 112a of the first coupling part 110a and the second inclined surface 112b of the second coupling part 110b have a close contact shape with each other, that is, the first inclined surface 112a and the second inclined surface 112b. The two inclined surfaces 112b are formed of an inclined surface and a reverse inclined surface of opposite shapes, and at this time, the first and second inclined surfaces 112a and 112b are in surface contact with each other in an inclined form to disperse and reduce the transmitted vibration in a random direction. do.

그리고, 상기 제1결합부(110a)는 결합홈(111)이 형성된 일측의 제1몸체(110a-1)와 상기 제1몸체(110a-1)의 수평길이에 대응된 수평길이를 가지되도록 타측의 제2몸체(110a-2)로 구분되며, 상기 제2몸체(110a-2)의 외주면 절반 외주가 내측으로 내입된 제1결합홈부(114a)가 형성된다.In addition, the first coupling part 110a has a horizontal length corresponding to the horizontal length of the first body 110a-1 on one side where the coupling groove 111 is formed and the first body 110a-1 on the other side. is divided into a second body (110a-2) of the second body (110a-2), the outer peripheral half of the outer periphery of the first coupling groove (114a) is formed inwardly.

즉, 상기 제2몸체(110a-2)의 외주면 전체 중 절반 외주면이 내측으로 요입된 제1결합홈부(114a)가 형성되면서 제1결합홈부(114a)의 수직단면이 반구형태로 형성된다.That is, while the first coupling groove portion 114a in which half of the outer circumferential surface of the entire outer circumferential surface of the second body 110a-2 is recessed inward is formed, the vertical cross-section of the first coupling groove portion 114a is formed in a hemispherical shape.

그리고, 상기 제1결합부(110a)의 제1결합홈부(114a) 위치에 대향되도록 제2결합부(110b) 외주면의 절반 외주가 내측으로 내입된 제2결합홈부(114b)가 형성되며, 즉 제1결합부(110a)의 제2몸체(110a-2)에 제1결합홈부(114a)가 좌측에 형성된다면 제2결합부(110b)의 제2결합홈부(114b)는 제2결합부(110a)의 우측에 형성되도록 대향의 배치형태를 가진다.And, a second coupling groove portion 114b in which a half outer periphery of the outer circumferential surface of the second coupling portion 110b is inwardly formed to face the position of the first coupling groove portion 114a of the first coupling portion 110a is formed, that is, If the first coupling groove 114a is formed on the left side of the second body 110a-2 of the first coupling part 110a, the second coupling groove part 114b of the second coupling part 110b is the second coupling part ( 110a) has an opposite arrangement to be formed on the right side.

상기 제2결합홈부(114b)는 제2결합부(110b)의 외주면 전체 중 절반 외주면이 내측으로 요입된 제2결합홈부(114b)가 형성되면서 제2결합홈부(114b)의 수직단면이 반구형태로 형성되며, 상기 제1결합홈부(114a)의 외주와 제2결합홈부(114b)의 외주는 동일한 외주길이를 가진다.The second coupling groove portion 114b is formed with a second coupling groove portion 114b in which half of the entire outer circumferential surface of the second coupling portion 110b is recessed inward, and the vertical cross-section of the second coupling groove portion 114b has a hemispherical shape. is formed, and the outer periphery of the first coupling groove portion 114a and the outer circumference of the second coupling groove portion 114b have the same outer circumference length.

그리고, 상기 제1, 2결합부(110a)(110b)로 구성된 진동완충부(110)를 소켓부(121)의 수용홈(121-1)으로 수용시 상기 결합지지부(120)의 소켓부(121) 수용홈(121-1) 내주면 일측에 제1결합부(110a)의 제1결합홈부(114a)에 대응되는 제1결합돌기(121-3a)가 형성되면서 소켓부(121)의 수용홈(121-1) 내주면 타측에 제2결합부(110b)의 제2결합홈부(114b)에 대응되는 제2결합돌기(121-3b)가 형성되며, 즉 제1, 2결합돌기(121-3a)(121-3b)는 제1, 2결합홈부(114a)(114b)에 결속 치합되는 구조를 가지면서 치합시 유격없는 면접촉 형태로 긴밀히 결합되게 된다.And, when the vibration damping part 110 composed of the first and second coupling parts 110a and 110b is accommodated in the receiving groove 121-1 of the socket part 121, the socket part of the coupling support part 120 ( 121) The receiving groove of the socket part 121 while the first coupling protrusion 121-3a corresponding to the first coupling recess 114a of the first coupling part 110a is formed on one side of the inner peripheral surface of the receiving groove 121-1. (121-1) A second coupling protrusion 121-3b corresponding to the second coupling groove 114b of the second coupling part 110b is formed on the other side of the inner circumferential surface, that is, the first and second coupling protrusions 121-3a ) (121-3b) has a structure to be coupled to the first and second coupling grooves 114a and 114b, and are closely coupled to each other in the form of surface contact without play during meshing.

그리고, 상기 제1결합부(110a)와 제2결합부(110b)를 소켓부(121)의 수용홈(121-1)으로 수용시 소켓부(121)와 연결몸체(122)가 분리되면서 소켓부(121) 양측이 개방되며, 이때 일측 수용홈(121-1)으로 제1결합부(110a)를 수용하면서 타측 수용홈(121-1)으로 제2결합부(110b)를 수용하여 소켓부(121)의 수용홈(121-1) 내부에 제1결합부(110a)의 제1결합홈부(114a)로 제1결합돌기(121-3a)가 치합 그리고 제2결합부(110a)의 제2결합홈부(114b)로 제2결합돌기(121-3b)가 치합된 고정 결합된 상태를 가지며, 이후 소켓부(121)의 타측면에 연결몸체(122)를 용접 또는 볼트체결 등의 결합형태로 하여 고정시키게 된다.And, when the first coupling part 110a and the second coupling part 110b are accommodated in the receiving groove 121-1 of the socket part 121, the socket part 121 and the connection body 122 are separated while the socket part 121 is separated. Both sides of the part 121 are opened, and at this time, the socket part is received by receiving the first coupling part 110a through the receiving groove 121-1 on one side and receiving the second coupling part 110b through the receiving groove 121-1 on the other side. The first coupling protrusion 121-3a meshes with the first coupling groove part 114a of the first coupling part 110a in the receiving groove 121-1 of the 121, and the second coupling part 110a is engaged. The second coupling protrusion 121-3b has a fixed coupling state in which the second coupling groove part 114b is engaged, and then the coupling body 122 is welded or bolted to the other side of the socket part 121 in a coupling form. to be fixed.

상기 제1결합부(110a)의 제1결합홈부(114a)로 수용홈(121-1)의 제1결합돌기(121-3a)가 결속 치합 그리고 제2결합부(110b)의 제2결합홈부(114b)로 수용홈(121-1)의 제2결합돌기(121-3b)가 결속 치합되게 되며, 이때 전달된 진동이 상호 면접촉 및 대향된 배치상태로 인해 전달되는 진동방향성을 분산시킴과 동시에 상호 면접시 마찰력에 의해 잔동을 감쇄시키게 된다.The first coupling protrusion 121-3a of the receiving groove 121-1 is coupled to the first coupling groove 114a of the first coupling part 110a, and the second coupling recess of the second coupling part 110b is engaged. The second coupling protrusions 121-3b of the receiving groove 121-1 are coupled and engaged with the 114b, and at this time, the transmitted vibration disperses the transmitted vibration direction due to the mutual surface contact and the opposite arrangement. At the same time, the residual vibration is attenuated by the frictional force during the mutual interview.

그리고, 도 5 내지 도 7에 나타낸 바와 같이 상기 제1결합부(110a)와 제2결합부(110b)가 밀착된 형태의 진동완충부(110) 내부 중앙에 수평으로 배치되며, 상기 제1결합부(110a)의 타측면 중앙에 내측으로 소정길이로 내입된 끼움공(115)과 상기 끼움공(115)의 양측으로 각각 걸림홈(116)이 끼움공(115)과 내통되도록 형성되면서 제1결합부(110a)의 일측면에 마주하는 제2결합부(110b)의 일측면 중앙에 끼움공(115)과 걸림홈(116)이 대응되도록 형성되며,And, as shown in Figures 5 to 7, the first coupling portion (110a) and the second coupling portion (110b) is arranged horizontally in the center of the vibration damping unit 110 of the form in close contact, the first coupling The fitting hole 115 inserted into the center of the other side of the part 110a with a predetermined length and the locking grooves 116 on both sides of the fitting hole 115 are formed so as to be internally communicated with the fitting hole 115, the first The fitting hole 115 and the locking groove 116 are formed to correspond to the center of one side of the second coupling part 110b facing one side of the coupling part 110a,

상기 제1결합부(110a)와 제2결합부(110b) 각각의 끼움공(115)과 걸림홈(116)으로 삽입 결합되도록 양측에 각각 형성된 걸림돌기(210)와 상기 걸림돌기(210) 각각의 중앙에 연결되어 소정 길이로 연장된 지지대(220)와 상기 지지대(220)와 지지대(220) 사이를 연결하여 나선형으로 비틀어진 판재형의 완충판(230)으로 구성된 완충블록(200)이 더 포함되는 절삭공구(10)를 제공한다.The first coupling portion 110a and the second coupling portion 110b, each of the locking projections 210 and the locking projections 210 formed on both sides so as to be inserted into and coupled to the respective fitting holes 115 and the locking grooves 116, respectively. A buffer block 200 consisting of a plate-shaped buffer plate 230 twisted in a spiral by connecting the support 220 connected to the center and extending to a predetermined length and the support 220 and the support 220 is further included. A cutting tool (10) is provided.

상기 완충블록(200)은 제1결합부(110a)와 제2결합부(110b)가 면접되는 각 면의 중앙에 가로질러 배치되어 전달된 진동의 세기를 완충블록의 완충판(230)이 비접촉공간이 나선형으로 휘어져 진동감쇄 효과를 가진다.The buffer block 200 is disposed across the center of each surface on which the first coupling part 110a and the second coupling part 110b are interviewed to measure the intensity of the transmitted vibration, the buffer plate 230 of the buffer block is a non-contact space It is curved in a spiral and has a vibration damping effect.

상기 완충블록(200)이 제1, 2결합부(110a)(110b)에 끼움 결합되도록 제1결합부(110a)와 제2결합부(110b)가 상호 면접되는 각 면(面)의 중앙에서 내부로 소정길이로 요입된 원호형의 끼움공(115)과 상기 끼움공(115)의 양측으로 걸림홈(116)이 끼움공9115)과 함께 연계된 형태로 형성된다.The buffer block 200 is fitted to the first and second coupling parts 110a and 110b at the center of each surface where the first coupling part 110a and the second coupling part 110b are interfacing with each other. An arc-shaped fitting hole 115 recessed into the interior by a predetermined length and locking grooves 116 on both sides of the fitting hole 115 are formed in a form connected with the fitting hole 9115 .

상기 완충블록(200)은 중앙에 나선형으로 비틀어진 완충판(230)과 상기 완충판(230) 양측으로 각각 지지대(220)가 연결되면서 지지대(220) 끝단에 걸림돌기(210)가 형성되며, 그리고 상기 걸림돌기(210)는 제1, 2결합부(110a)(110b)의 끼움공(115)과 걸림홈(116)을 통해 삽입되면서 중앙의 완충판(230)이 끼움공(115)에 긴밀히 결속된 형태를 가지며, 이때 완충판(230)은 제1결합부(110a)와 제2결합부(110b)의 접촉면 중앙에 수평으로 가로질러 결속된 형태를 가진다.The buffer block 200 is a buffer plate 230 spirally twisted in the center and the support 220 is connected to both sides of the buffer plate 230, respectively, a blocking protrusion 210 is formed at the end of the support 220, and the The locking protrusion 210 is inserted through the fitting hole 115 and the locking groove 116 of the first and second coupling parts 110a and 110b, and the central buffer plate 230 is tightly bound to the fitting hole 115. In this case, the buffer plate 230 has a form coupled horizontally to the center of the contact surface of the first coupling part 110a and the second coupling part 110b.

또한, 도면에 미도시되었지만 상기 완충블록(200)의 중앙에 위치한 완충판(230) 양측단에 각각 수직 원판형의 스프링판(미도시)이 돌출 형성되며, 상기 스프링판의 내주면에는 코일형태의 완충라인이 형성되며, 즉 스프링판의 테두리인 외주단은 경질의 금속링 형태를 가지면서 외주단과 중심부 사이에 양측을 관통하는 코일형의 완충라인이 절개된 형태로 형성되며, 상기 지지대(220)를 거쳐 완충판(230)으로 진동이 전달시 지지대(220)와 완충판(230) 사이에 배치된 스프링판의 완충라인에 의해 좌우로 흔들리는 진동을 방지하면서 상하방향의 진동을 유도하여 진동세기를 감쇄하게 된다.In addition, although not shown in the drawing, a vertical disk-shaped spring plate (not shown) is formed to protrude from both ends of the buffer plate 230 located in the center of the buffer block 200, and a coil-shaped buffer is formed on the inner circumferential surface of the spring plate. A line is formed, that is, the outer peripheral end, which is the edge of the spring plate, has a hard metal ring shape, and a coil-type buffer line passing through both sides between the outer peripheral end and the center is cut in a cut form, and the support 220 is When the vibration is transmitted to the buffer plate 230 through the support 220 and the buffer plate 230, the vibration strength is attenuated by inducing vibration in the vertical direction while preventing the vibration from shaking left and right by the buffer line of the spring plate disposed between the support 220 and the buffer plate 230. .

그리고, 상기 스프링판의 외경은 끼움공(115)의 내경에 비례하며, 상기 스프링판이 탄성재질로 이루어지거나 스프링판의 외주단과 중심부 사이의 재질이 탄성부재로 이루어질 수 있다.And, the outer diameter of the spring plate is proportional to the inner diameter of the fitting hole 115, the spring plate may be made of an elastic material, or the material between the outer peripheral end and the center of the spring plate may be made of an elastic member.

이상, 본 발명을 구체적인 실시예를 통하여 상세하게 설명하였으나, 본 발명은 상기 실시예에 한정하지 않고, 본 발명의 기술적 사상의 범위 내에서 통상의 지식을 가진 자에 의하여 여러 가지 변형이 가능하다.As mentioned above, although the present invention has been described in detail through specific embodiments, the present invention is not limited to the above embodiments, and various modifications are possible by those of ordinary skill within the scope of the technical spirit of the present invention.

절삭공구 10 진동저감부재 100 진동완충부 110
제1결합부 110a 제1몸체 110a-1 제2몸체 110a-2
제2결합부 110b 결합홈 111 제1경사면 112a
제2경사면 112b 제2볼트공 113 제1결합홈부 114a
제2결합홈부 114b 끼움공 115 걸림홈 116
결합지지부 120 소켓부 121 수용홈 121-1
제3볼트공 121-2 제1결합돌기 121-3a 제2결합돌기 121-3b
완충블록 200 걸림돌기 210 지지대 220
완충판 230Cutting tool 10 Vibration reducing member 100 Vibration dampening unit 110
First coupling part 110a First body 110a-1 Second body 110a-2
second coupling part 110b coupling groove 111 first inclined surface 112a
2nd inclined surface 112b 2nd bolt hole 113 1st coupling groove part 114a
2nd coupling groove part 114b fitting hole 115 locking groove 116
Coupling support part 120 Socket part 121 Receiving groove 121-1
3rd bolt hole 121-2 First coupling projection 121-3a Second coupling projection 121-3b
buffer block 200 stumbling block 210 support 220
buffer plate 230

Claims (4)

전단부에 절삭인서트(12)가 고정되는 홀더몸체(11)를 포함하는 절삭공구(10)와, 상기 절삭공구(10)의 후단부에 결합 고정되는 진동저감부재(100)로 구성되며,
상기 진동저감부재(100)는,
상기 절삭공구(10)의 후단부가 삽입되도록 후단부 형상에 대응된 결합홈(111)이 일측에 형성되면서 절삭공구(10) 후단부 사방면에 각각 형성된 제1볼트공(13) 위치에 대응되도록 일측 외주면에 제2볼트공(113)이 형성된 제1결합부(110a)와 상기 제1결합부(110a)의 타측에 위치하여 제1결합부(110a)의 타측면으로 일측면이 면접되는 제2결합부(110b)로 구성된 진동완충부(110)와,
상기 진동완충부(110)를 내부로 긴밀히 수용하면서 제1결합부(110a)의 제2볼트공(113) 위치에 대응된 제3볼트공(121-2)이 형성된 일측의 소켓부(121)와 상기 소켓부(121)의 타측에 연결되어 절삭공구(10)의 홀더몸체(11) 외형에 대응된 구조를 가진 연결몸체(122)로 구성된 결합지지부(120)를 포함하는 것을 특징으로 하는 진동저감시스템을 갖춘 절삭공구.It consists of a cutting tool 10 including a holder body 11 to which the cutting insert 12 is fixed to the front end, and a vibration reducing member 100 coupled and fixed to the rear end of the cutting tool 10,
The vibration reducing member 100,
A coupling groove 111 corresponding to the shape of the rear end is formed on one side so that the rear end of the cutting tool 10 is inserted so as to correspond to the positions of the first bolt holes 13 respectively formed on all four sides of the rear end of the cutting tool 10 A first coupling part 110a having a second bolt hole 113 formed on one outer circumferential surface and a first coupling part 110a positioned on the other side of the first coupling part 110a, one side being interviewed with the other side of the first coupling part 110a A vibration damping unit 110 composed of two coupling units 110b, and
One side of the socket part 121 in which the third bolt hole 121-2 corresponding to the position of the second bolt hole 113 of the first coupling part 110a is formed while closely accommodating the vibration damping part 110 to the inside. and a coupling support part 120 connected to the other side of the socket part 121 and comprising a connection body 122 having a structure corresponding to the outer shape of the holder body 11 of the cutting tool 10 Cutting tools equipped with a reduction system. 제1항에 있어서,
상기 진동완충부(110)를 구성하는 제1결합부(110a)와 제2결합부(110b)가 상호 면접 즉, 면(面) 밀착되도록 제1결합부(110a)의 타측면이 소정의 각도로 기울어진 제1경사면(112a) 그리고 상기 제1경사면(112a)에 대응되는 제2결합부(110b)의 일측면이 제2경사면(112b)으로 형성되며,
상기 제1결합부(110a)는 결합홈(111) 및 제2볼트공(113)이 형성된 일측의 제1몸체(110a-1)와 상기 제1몸체(110a-1)의 길이에 대응되도록 타측의 제2몸체(110a-2)로 구분되어 제2몸체(110a-2)의 외주면 절반 외주가 내측으로 내입된 제1결합홈부(114a)가 형성되고,
상기 제1결합부(110a)의 제1결합홈부(114a) 위치에 대향되도록 제2결합부(110b)의 외주면 절반 외주가 내측으로 내입된 제2결합홈부(114b)가 형성되고,
상기 결합지지부(120)의 소켓부(121) 수용홈(121-1) 내주면 일측에 제1결합부(110a)의 제1결합홈부(114a)에 대응되는 제1결합돌기(121-3a)가 형성되면서 소켓부(121)의 수용홈(121-1) 내주면 타측에 제2결합부(p110b)의 제2결합홈부(114b)에 대응되는 제2결합돌기(121-3b)가 형성되는 것을 특징으로 하는 진동저감시스템을 갖춘 절삭공구.According to claim 1,
The other side of the first coupling part 110a has a predetermined angle so that the first coupling part 110a and the second coupling part 110b constituting the vibration damping part 110 are in close contact with each other. One side of the first inclined surface 112a inclined to and the second coupling part 110b corresponding to the first inclined surface 112a is formed as the second inclined surface 112b,
The first coupling part 110a has a coupling groove 111 and a second bolt hole 113 formed on one side of the first body 110a-1 and the other side to correspond to the length of the first body 110a-1. is divided into a second body (110a-2) of the second body (110a-2), the outer peripheral half of the outer periphery of the first coupling groove (114a) is formed inwardly,
A second coupling groove portion 114b in which the outer periphery of the second coupling portion 110b is opposite to the position of the first coupling groove portion 114a of the first coupling portion 110a is formed.
A first coupling protrusion 121-3a corresponding to the first coupling groove 114a of the first coupling part 110a is formed on one side of the inner peripheral surface of the socket part 121 receiving groove 121-1 of the coupling support part 120. The second coupling protrusion 121-3b corresponding to the second coupling groove 114b of the second coupling part p110b is formed on the other side of the inner circumferential surface of the receiving recess 121-1 of the socket part 121 while being formed. A cutting tool equipped with a vibration reduction system. 제1항 또는 제2항에 있어서,
상기 제1결합부(110a)와 제2결합부(110b)가 밀착된 형태의 진동완충부(110) 내부 중앙에 수평으로 배치되며, 상기 제1결합부(110a)의 타측면 중앙에 내측으로 소정길이로 내입된 끼움공(115)과 상기 끼움공(115)의 양측으로 각각 걸림홈(116)이 끼움공(115)과 내통되도록 형성되면서 제1결합부(110a)의 일측면에 마주하는 제2결합부(110b)의 일측면 중앙에 끼움공(115)과 걸림홈(116)이 대응되도록 형성되며,
상기 제1결합부(110a)와 제2결합부(110b) 각각의 끼움공(115)과 걸림홈(116)으로 삽입 결합되도록 양측에 각각 형성된 걸림돌기(210)와 상기 걸림돌기(210) 각각의 중앙에 연결되어 소정 길이로 연장된 지지대(220)와 상기 지지대(220)와 지지대(220) 사이를 연결하여 나선형으로 비틀어진 판재형의 완충판(230)으로 구성된 완충블록(200)이 더 포함되는 것을 특징으로 하는 진동저감시스템을 갖춘 절삭공구.3. The method of claim 1 or 2,
The first coupling part 110a and the second coupling part 110b are horizontally disposed in the center of the vibration damping part 110 in a form in which they are in close contact, and inwardly at the center of the other side of the first coupling part 110a. The fitting hole 115 inserted to a predetermined length and the locking groove 116 on both sides of the fitting hole 115 are formed so as to be internally communicated with the fitting hole 115 while facing one side of the first coupling part 110a. The fitting hole 115 and the locking groove 116 are formed to correspond to the center of one side of the second coupling part 110b,
The first coupling portion 110a and the second coupling portion 110b, each of the locking projections 210 and the locking projections 210 formed on both sides so as to be inserted into and coupled to the respective fitting holes 115 and the locking grooves 116, respectively. A buffer block 200 consisting of a plate-shaped buffer plate 230 twisted in a spiral by connecting the support 220 connected to the center and extending to a predetermined length and the support 220 and the support 220 is further included. A cutting tool equipped with a vibration reduction system, characterized in that it becomes 제3항에 있어서,
상기 완충블록(200)의 중앙에 위치한 완충판(230) 양측단에 각각 수직 원판형의 스프링판이 돌출 형성되며, 상기 스프링판의 테두리인 외주단은 경질의 금속링 형태를 가지면서 외주단과 중심부 사이에 양측을 관통하는 코일형의 완충라인이 절개된 형태로 형성되는 것을 특징으로 하는 진동저감시스템을 갖춘 절삭공구.4. The method of claim 3,
A vertical disk-shaped spring plate is formed to protrude from both ends of the buffer plate 230 located in the center of the buffer block 200, and the outer peripheral end, which is the rim of the spring plate, has a hard metal ring shape, and is located between the outer peripheral end and the center. A cutting tool equipped with a vibration reduction system, characterized in that the coil-type buffer line passing through both sides is formed in an incised form.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101145576B1 (en) 2012-02-20 2012-05-15 한국야금 주식회사 The anti-vibration device and the cutting tool having the same
KR102145697B1 (en) 2019-02-08 2020-08-19 숭실대학교산학협력단 Vibration Damping System and Machining Force Evaluation method for machine tools using Thereof
KR20200116480A (en) * 2018-02-28 2020-10-12 마큐 에이비 Mass damper and cutting tool
KR102302962B1 (en) * 2021-04-29 2021-09-15 권대규 Processing tool with vibration reducing structure of processing load

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101145576B1 (en) 2012-02-20 2012-05-15 한국야금 주식회사 The anti-vibration device and the cutting tool having the same
KR20200116480A (en) * 2018-02-28 2020-10-12 마큐 에이비 Mass damper and cutting tool
KR102145697B1 (en) 2019-02-08 2020-08-19 숭실대학교산학협력단 Vibration Damping System and Machining Force Evaluation method for machine tools using Thereof
KR102302962B1 (en) * 2021-04-29 2021-09-15 권대규 Processing tool with vibration reducing structure of processing load

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