KR20230136315A - Cutting oil supply structure inside the CBN wheel - Google Patents

Cutting oil supply structure inside the CBN wheel Download PDF

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KR20230136315A
KR20230136315A KR1020220033864A KR20220033864A KR20230136315A KR 20230136315 A KR20230136315 A KR 20230136315A KR 1020220033864 A KR1020220033864 A KR 1020220033864A KR 20220033864 A KR20220033864 A KR 20220033864A KR 20230136315 A KR20230136315 A KR 20230136315A
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supply structure
cutting oil
flow path
oil supply
cbn wheel
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KR1020220033864A
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Korean (ko)
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강주원
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강주원
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    • 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B23Q11/1015—Arrangements for cooling or lubricating tools or work by supplying a cutting liquid through the spindle
    • B23Q11/1023—Tool holders, or tools in general specially adapted for receiving the cutting liquid from the 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/14—Methods or arrangements for maintaining a constant temperature in parts of machine tools
    • B23Q11/145—Methods or arrangements for maintaining a constant temperature in parts of machine tools using a jet of gas or cutting liquid

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

CBN 휠 내부 절삭유 공급구조가 제공된다. CBN 휠 내부 절삭유 공급구조는, 수직부재와 수직부재의 Z축 반대방향 하단부에 수평으로 연장된 수평부재를 포함하는 허브와, 수직부재 내부에 Z축 방향으로 관통형성된 제1 유로와, 수평부재의 Z축 반대방향 저면에서 Z축 방향으로 요입형성되고, 제1 유로의 Z축 반대방향 하단부와 연통되는 침전공간과, 침전공간과 연통되도록 수평부재에 수평으로 관통형성된 제2 유로, 및 침전공간을 개폐하는 덮개를 포함한다.A CBN wheel internal coolant supply structure is provided. The CBN wheel internal cutting fluid supply structure includes a hub including a vertical member and a horizontal member extending horizontally at the lower end in the opposite direction to the Z-axis of the vertical member, a first flow path formed through the Z-axis direction inside the vertical member, and the horizontal member. A settling space that is recessed in the Z-axis direction on the bottom surface opposite to the Z-axis and communicates with the lower end of the first flow path in the opposite Z-axis direction, a second flow path formed horizontally through the horizontal member to communicate with the settling space, and a settling space. Includes a cover that opens and closes.

Description

CBN 휠 내부 절삭유 공급구조{Cutting oil supply structure inside the CBN wheel}Cutting oil supply structure inside the CBN wheel}

본 발명은 CBN 휠 내부 절삭유 공급구조에 관한 것이다.The present invention relates to a CBN wheel internal cutting oil supply structure.

일반적으로 CBN(Cubic Boron Nitride) 휠은 입방정 질화붕소로 제작한 휠로, 다이아몬드 합성 조건과 유사한 초고압고온 기술에 의해 제조되어 다이아몬드에 다음가는 강도를 가지고 열에 강한 특성이 있으므로 강합금의 연마, 절삭 공구 등으로 널리 이용되고 있다. 즉, 다이아몬드로는 매우 곤란한 강의 연삭에 그 장점을 발휘하고 있다.In general, the CBN (Cubic Boron Nitride) wheel is a wheel made of cubic boron nitride. It is manufactured using ultra-high pressure and high temperature technology similar to diamond synthesis conditions. It has a strength next to diamond and has heat-resistant properties, so it is used for polishing steel alloys, cutting tools, etc. It is widely used. In other words, it is showing its merits in grinding steel, which is very difficult with diamond.

또한, CBN 휠을 이용하여 내열합금강에 대한 Creep Feed Grinding을 수행할 경우, 지용성 절삭유를 연삭이 일어나고 있는 구역에 대량으로 공급해주어야 하나, 단일 공정에서 여러 부위의 다른 형상을 가공할 경우, 각각의 연삭 구역이 달라져 절삭유가 연삭 구역까지 원활하게 공급되지 않으므로 가공물을 냉각시키는데 한계가 있다.In addition, when performing creep feed grinding on heat-resistant alloy steel using a CBN wheel, oil-soluble cutting oil must be supplied in large quantities to the area where grinding is taking place. However, when processing different shapes in several areas in a single process, each grinding Because the area is different, cutting oil is not smoothly supplied to the grinding area, so there is a limit to cooling the workpiece.

또한, 절삭유로 인한 슬러지나 가공시 발생하는 칩으로 인해 유로가 막히는 현상이 발생하는 문제점이 있다.In addition, there is a problem in that the flow path is blocked due to sludge caused by cutting oil or chips generated during processing.

따라서, 이를 해결할 수 있는 기술개발이 필요한 실정이다.Therefore, there is a need to develop technology to solve this problem.

대한민국 등록특허공보 제10-1412825호Republic of Korea Patent Publication No. 10-1412825

본 발명이 해결하고자 하는 과제는 CBN 휠 내부에 침전공간을 형성하여 슬러지 및 칩과 같은 이물질이 침전되도록 하는 CBN 휠 내부 절삭유 공급구조를 제공함에 있다.The problem to be solved by the present invention is to provide a cutting oil supply structure inside the CBN wheel that forms a settling space inside the CBN wheel and allows foreign substances such as sludge and chips to settle.

또한, 침전공간에 침전된 이물질을 용이하게 배출시켜 유지보수를 용이하게 하는 CBN 휠 내부 절삭유 공급구조를 제공함에 있다.In addition, it provides a cutting oil supply structure inside the CBN wheel that facilitates maintenance by easily discharging foreign substances settled in the settling space.

또한, 본 발명의 과제들은 이상에 언급한 과제로 제한되지 않으며, 언급되지 않은 또 다른 기술적 과제들은 아래의 기재로부터 당업자에게 명확하게 이해될 수 있을 것이다.In addition, the problems of the present invention are not limited to the problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the description below.

상기의 과제를 해결하기 위한 일 실시예에 따른 CBN 휠 내부 절삭유 공급구조는, 수직부재와 상기 수직부재의 Z축 반대방향 하단부에 수평으로 연장된 수평부재를 포함하는 허브와, 상기 수직부재 내부에 Z축 방향으로 관통형성된 제1 유로와, 상기 수평부재의 Z축 반대방향 저면에서 Z축 방향으로 요입형성되고, 상기 제1 유로의 Z축 반대방향 하단부와 연통되는 침전공간과, 상기 침전공간과 연통되도록 수평부재에 수평으로 관통형성된 제2 유로, 및 상기 침전공간을 개폐하는 덮개를 포함한다.The CBN wheel internal cutting oil supply structure according to an embodiment to solve the above problem includes a hub including a vertical member and a horizontal member extending horizontally at the lower end in the opposite Z-axis direction of the vertical member, and A first flow path penetrating in the Z-axis direction, a settling space that is recessed in the Z-axis direction on the bottom surface of the horizontal member in the direction opposite to the Z-axis and communicates with a lower end of the first flow path in the direction opposite to the Z-axis, and the settling space; It includes a second flow path formed horizontally through the horizontal member to communicate, and a cover that opens and closes the settling space.

상기 제2 유로는 방사상으로 형성될 수 있다.The second flow path may be formed radially.

상기 수평부재의 외주면에 형성되는 전착층을 더 포함할 수 있다.It may further include an electrodeposition layer formed on the outer peripheral surface of the horizontal member.

상기 덮개는 자석을 포함하는 금속으로 형성되거나 자석으로 형성될 수 있다.The cover may be formed of a metal containing a magnet or may be formed of a magnet.

상기 덮개를 수용하도록 수평부재의 Z축 반대방향 저면에 Z축 방향으로 요입된 수용홈을 더 포함할 수 있다.A receiving groove recessed in the Z-axis direction may be further included on the bottom surface of the horizontal member in the direction opposite to the Z-axis to accommodate the cover.

본 발명의 일 실시예에 따른 CBN 휠 내부 절삭유 공급구조에 의하면, CBN 휠 내부에 침전공간을 형성하여 슬러지 및 칩과 같은 이물질이 침전되도록 하고, 침전공간에 침전된 이물질을 용이하게 배출시킬 수 있으므로 유지보수를 용이할 수 있다.According to the CBN wheel internal cutting oil supply structure according to an embodiment of the present invention, a settling space is formed inside the CBN wheel to allow foreign substances such as sludge and chips to settle, and the foreign substances settled in the settling space can be easily discharged. Maintenance can be easy.

도 1은 본 발명의 일 실시예에 따른 CBN 휠 내부 절삭유 공급구조의 분리사시도이다.
도 2는 본 발명의 일 실시예에 따른 CBN 휠 내부 절삭유 공급구조의 저면도이다.
도 3은 본 발명의 일 실시예에 따른 CBN 휠 내부 절삭유 공급구조의 단면도이다.
도 4는 본 발명의 일 실시예에 따른 CBN 휠 내부 절삭유 공급구조의 작동상태도이다.Figure 1 is an exploded perspective view of the internal coolant supply structure of a CBN wheel according to an embodiment of the present invention.
Figure 2 is a bottom view of the internal cutting oil supply structure of a CBN wheel according to an embodiment of the present invention.
Figure 3 is a cross-sectional view of the internal cutting oil supply structure of a CBN wheel according to an embodiment of the present invention.
Figure 4 is an operating state diagram of the CBN wheel internal cutting oil supply structure according to an embodiment of the present invention.

본 발명의 이점 및 특징, 그리고 그것들을 달성하는 방법은 첨부되는 도면과 함께 상세하게 후술되어 있는 실시예들을 참조하면 명확해질 것이다. 그러나 본 발명은 이하에서 개시되는 실시예들에 한정되는 것이 아니라 서로 다른 다양한 형태로 구현될 것이며, 단지 본 실시예들은 본 발명의 개시가 완전하도록 하며, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 발명의 범주를 완전하게 알려주기 위해 제공되는 것이며, 본 발명은 청구항의 범주에 의해 정의될 뿐이다.The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and will be implemented in various different forms. The present embodiments only serve to ensure that the disclosure of the present invention is complete and that common knowledge in the technical field to which the present invention pertains is not limited. It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims.

이하, 첨부된 도면을 참조하여 구체적인 실시예들에 대해 설명한다.Hereinafter, specific embodiments will be described with reference to the attached drawings.

도 1은 본 발명의 일 실시예에 따른 CBN 휠 내부 절삭유 공급구조의 분리사시도이고, 도 2는 본 발명의 일 실시예에 따른 CBN 휠 내부 절삭유 공급구조의 저면도이며, 도 3은 본 발명의 일 실시예에 따른 CBN 휠 내부 절삭유 공급구조의 단면도이고, 도 4는 본 발명의 일 실시예에 따른 CBN 휠 내부 절삭유 공급구조의 작동상태도이다.Figure 1 is an exploded perspective view of a CBN wheel internal cutting oil supply structure according to an embodiment of the present invention, Figure 2 is a bottom view of a CBN wheel internal cutting oil supply structure according to an embodiment of the present invention, and Figure 3 is a CBN wheel internal cutting oil supply structure according to an embodiment of the present invention. It is a cross-sectional view of the internal cutting oil supply structure of a CBN wheel according to an embodiment, and Figure 4 is an operating state diagram of the internal cutting oil supply structure of a CBN wheel according to an embodiment of the present invention.

도 1 내지 도 4를 참조하면, 일 실시예에 따른 CBN 휠 내부 절삭유 공급구조(100)는, 허브(110), 제1 유로(120), 침전공간(130), 제2 유로(140), 덮개(150)를 포함할 수 있다.Referring to Figures 1 to 4, the CBN wheel internal cutting oil supply structure 100 according to one embodiment includes a hub 110, a first flow path 120, a settling space 130, a second flow path 140, It may include a cover 150.

허브(110)는 Z축 방향으로 일정길이 형성된 수직부재(111)와, 수직부재(111)의 Z축 반대방향 하단부에서 수평으로 연장된 수평부재(112)를 포함할 수 있다. 몇몇 실시예에서 수평부재(112)의 외주면에 전착층(113)이 형성될 수 있다. 여기서, 전착이란, 전기 분해에 의하여 전극이 석출된 전해질이 그 표면에 달라붙는 것을 말할 수 있다.The hub 110 may include a vertical member 111 formed to have a predetermined length in the Z-axis direction, and a horizontal member 112 extending horizontally from a lower end of the vertical member 111 in the direction opposite to the Z-axis. In some embodiments, an electrodeposition layer 113 may be formed on the outer peripheral surface of the horizontal member 112. Here, electrodeposition can refer to the electrolyte from which an electrode is deposited by electrolysis sticking to its surface.

제1 유로(120)는 수직부재(111) 내부에 Z축 방향인 수직으로 관통형성될 수 있다. 몇몇 실시예에서 제1 유로(120)의 내주면에 절삭유의 이동을 안내하는 이동안내리브를 더 포함할 수 있다. 이동안내리브는 제1 유로(120)의 내주면에 유선형으로 형성되어 절삭유가 유선형으로 흐르면서 원활하게 이동될 수 있다. 또한, 몇몇 실시예에서, 이동안내리브는 경사지게 형성된 제1 유로의 내면에 형성될 수도 있다. 따라서, 절삭유가 제1 유로를 따라 원활하게 공급될 수도 있다.The first flow path 120 may be formed to penetrate vertically within the vertical member 111 in the Z-axis direction. In some embodiments, a moving guide rib that guides the movement of cutting oil may be further included on the inner peripheral surface of the first flow path 120. The moving guide rib is formed in a streamlined shape on the inner peripheral surface of the first flow path 120, so that the cutting oil can move smoothly while flowing in a streamlined shape. Additionally, in some embodiments, the moving guide rib may be formed on the inner surface of the inclined first flow path. Accordingly, cutting oil may be smoothly supplied along the first flow path.

침전공간(130)은 수평부재(112)의 Z축 반대방향 저면에서 Z축 방향으로 요입형성되고, 제1 유로(120)의 Z축 반대방향 하단부와 Z축 반대방향으로 연통될 수 있다.The settling space 130 may be recessed in the Z-axis direction on the bottom surface of the horizontal member 112 in the direction opposite to the Z-axis, and may communicate with the lower end of the first flow path 120 in the direction opposite to the Z-axis.

제2 유로(140)는 침전공간(130)과 연통되고, 수평으로 관통형성될 수 있다. 몇몇 실시예에서 제2 유로(140)는 방사상으로 형성될 수 있다. 몇몇 실시예에서 제2 유로(140)는 24개를 배치할 수 있다. 다만, 이에 한정되는 것은 아니며, 설계 도면에 따라 다양한 개수로 변경될 수 있다. 또한, 제2 유로(140)는 넓은 연삭 구역에 대응하기 위하여 허브(110)의 수직 방향과 위치를 다르게 배치할 수도 있다.The second flow path 140 communicates with the sedimentation space 130 and may be formed horizontally through. In some embodiments, the second flow path 140 may be formed radially. In some embodiments, 24 second flow paths 140 may be arranged. However, it is not limited to this, and the number may be changed depending on the design drawing. Additionally, the second flow path 140 may be arranged in a different vertical direction and position of the hub 110 to accommodate a wide grinding area.

또한, 몇몇 실시예에서 제2 유로(140)는 절삭유가 배출되는 구멍으로 제2 유로(140)의 은 전착과정에서 구멍이 막히지 않도록 2mm 이하로 형성될 수 있다.Additionally, in some embodiments, the second flow path 140 is a hole through which cutting fluid is discharged, and may be formed to be 2 mm or less in size to prevent the hole from being blocked during the silver electrodeposition process of the second flow path 140.

몇몇 실시예에서 제2 유로(140)의 직경은 제1 유로(120)의 직경보다 작게 형성하여 절삭유가 제1 유로(120)를 통해 제2 유로(140)로 원활하게 배출되도록 함은 물론 제2 유로(140)로 배출되는 절삭유가 CBN 휠이 연삭하는 구역까지 원활하게 공급되어 가공물을 용이하게 냉각시킬 수 있다.In some embodiments, the diameter of the second flow path 140 is formed to be smaller than the diameter of the first flow path 120, so that the cutting oil is smoothly discharged into the second flow path 140 through the first flow path 120, as well as 2 The cutting oil discharged into the flow path 140 is smoothly supplied to the area where the CBN wheel is grinding, allowing the workpiece to be easily cooled.

덮개(150)는 침전공간(130)을 개폐할 수 있다. 몇몇 실시예에서 덮개(150)는 고정부재(151)를 더 포함하고, 상기 고정부재(151)가 덮개(150)를 수평부재(1112)에 체결하여 고정할 수도 있다. 몇몇 실시예에서 덮개(150)는 자석을 포함하는 금속으로 형성되거나 자석으로 형성될 수 있다. 따라서, 덮개(150)에 칩이 부착된 상태에서 덮개(150)를 수평부재(112)로부터 분리한 후, 덮개(150)에 부착된 칩 및 덮개(150)에 침전된 슬러지는 용이하게 제거할 수 있으므로 유지관리가 용이할 수 있다.The cover 150 can open and close the settling space 130. In some embodiments, the cover 150 further includes a fixing member 151, and the fixing member 151 may secure the cover 150 to the horizontal member 1112. In some embodiments, cover 150 may be formed of a metal or may be formed of a magnet. Therefore, after separating the cover 150 from the horizontal member 112 with chips attached to the cover 150, the chips attached to the cover 150 and the sludge settled on the cover 150 can be easily removed. Therefore, maintenance can be easy.

몇몇 실시예에서 CBN 휠 내부 절삭유 공급구조(100)는 수용홈(160)을 더 포함할 수 있다. 수용홈(160)은 수평부재(112)의 Z축 반대방향 저면에 Z축 방향으로 요입형성됨으로써 덮개(150)가 수평부재(112)의 저면보다 돌출되지 않아 미관이 미려할 수 있다. 또한, 사용자의 부주의에 의해 다치는 것을 방지할 수 있다.In some embodiments, the CBN wheel internal cutting oil supply structure 100 may further include a receiving groove 160. The receiving groove 160 is recessed in the Z-axis direction on the bottom surface of the horizontal member 112 in the direction opposite to the Z-axis, so that the cover 150 does not protrude beyond the bottom surface of the horizontal member 112, resulting in a beautiful appearance. Additionally, it is possible to prevent injury due to the user's carelessness.

이상 첨부된 도면을 참조하여 본 발명의 실시예들을 설명하였지만, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자는 본 발명의 그 기술적 사상이나 필수적인 특징을 변경하지 않고서 다른 구체적인 형태로 실시될 수 있다는 것을 이해할 수 있을 것이다. 그러므로 이상에서 기술한 실시예들은 모든 면에서 예시적인 것이며 한정적이 아닌 것으로 이해해야만 한다.Although embodiments of the present invention have been described above with reference to the attached drawings, those skilled in the art will understand that the present invention can be implemented in other specific forms without changing its technical idea or essential features. You will be able to understand it. Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive.

100: CBN 휠 내부 절삭유 공급구조
110: 허브
111: 수직부재
112: 수평부재
113: 전착층
120: 제1 유로
130: 침전공간
140: 제2 유로
150: 덮개
151: 고정부재
160: 수용홈100: CBN wheel internal cutting oil supply structure
110: hub
111: Vertical member
112: Horizontal member
113: Electrodeposition layer
120: 1st Euro
130: Sedimentation space
140: 2nd euro
150: cover
151: Fixing member
160: Accommodation home

Claims (5)

수직부재와 상기 수직부재의 Z축 반대방향 하단부에 수평으로 연장된 수평부재를 포함하는 허브;
상기 수직부재 내부에 Z축 방향으로 관통형성된 제1 유로;
상기 수평부재의 Z축 반대방향 저면에서 Z축 방향으로 요입형성되고, 상기 제1 유로의 Z축 반대방향 하단부와 연통되는 침전공간;
상기 침전공간과 연통되도록 수평부재에 수평으로 관통형성된 제2 유로; 및
상기 침전공간을 개폐하는 덮개를 포함하는 CBN 휠 내부 절삭유 공급구조.
A hub including a vertical member and a horizontal member extending horizontally from a lower end in a direction opposite to the Z-axis of the vertical member;
A first flow path formed through the vertical member in the Z-axis direction;
a settling space that is recessed in the Z-axis direction on the bottom surface of the horizontal member in the direction opposite to the Z-axis and communicates with a lower end of the first flow path in the direction opposite to the Z-axis;
a second flow path formed horizontally through the horizontal member to communicate with the settling space; and
A CBN wheel internal cutting oil supply structure including a cover that opens and closes the settling space.
 제1 항에 있어서,
상기 제2 유로는 방사상으로 형성되는 CBN 휠 내부 절삭유 공급구조.
According to claim 1,
The second flow path is a CBN wheel internal cutting oil supply structure formed radially.
 제1 항에 있어서,
상기 수평부재의 외주면에 형성되는 전착층을 더 포함하는 CBN 휠 내부 절삭유 공급구조.
According to claim 1,
A CBN wheel internal cutting oil supply structure further comprising an electrodeposited layer formed on the outer peripheral surface of the horizontal member.
 제1 항에 있어서,
상기 덮개는 자석을 포함하는 금속으로 형성되거나 자석으로 형성되는 CBN 휠 내부 절삭유 공급구조.
According to claim 1,
The cover is formed of metal containing a magnet or a CBN wheel internal cutting oil supply structure formed of a magnet.
 제1 항에 있어서,
상기 덮개를 수용하도록 수평부재의 Z축 반대방향 저면에 Z축 방향으로 요입된 수용홈을 더 포함하는 CBN 휠 내부 절삭유 공급구조.
According to claim 1,
A CBN wheel internal cutting oil supply structure further comprising a receiving groove recessed in the Z-axis direction on the bottom surface of the horizontal member in the opposite Z-axis direction to accommodate the cover.
KR1020220033864A 2022-03-18 2022-03-18 Cutting oil supply structure inside the CBN wheel KR20230136315A (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101412825B1 (en) 2013-12-18 2014-06-27 정세현 Tool holder with cutting oil passage

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101412825B1 (en) 2013-12-18 2014-06-27 정세현 Tool holder with cutting oil passage

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