KR20170013798A - Two-fluid jetting nozzle - Google Patents

Two-fluid jetting nozzle Download PDF

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Publication number
KR20170013798A
KR20170013798A KR1020150183804A KR20150183804A KR20170013798A KR 20170013798 A KR20170013798 A KR 20170013798A KR 1020150183804 A KR1020150183804 A KR 1020150183804A KR 20150183804 A KR20150183804 A KR 20150183804A KR 20170013798 A KR20170013798 A KR 20170013798A
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KR
South Korea
Prior art keywords
nozzle
compressed air
liquid
mixing
spray
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KR1020150183804A
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Korean (ko)
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박제천
김효진
서효석
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(주)에스디메카텍
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Priority to KR1020150183804A priority Critical patent/KR20170013798A/en
Publication of KR20170013798A publication Critical patent/KR20170013798A/en

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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
    • B23Q11/1076—Arrangements for cooling or lubricating tools or work with a cutting liquid nozzle specially adaptable to different kinds of machining operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0433—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of gas surrounded by an external conduit of liquid upstream the mixing chamber
    • 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

Abstract

The present invention relates to a two-fluid mixing nozzle which mixes compressed air and cutting oil in a cutting machine or a machine tool such as a computerized numerical control (CNC) apparatus. According to the present invention, the two-fluid mixing nozzle has a tilted spray surface (11) formed on a nozzle body (10) to be vertical to the spray angle (a) of the gas-liquid mixture fluid being sprayed onto the processing part of a workpiece (100) from the spray hole (31) of a nozzle cap (30). A pocket (12) is punctured on the center of a spray surface (11) of a nozzle body (10). The pocket (12) is connected to a compressed air supply hole (13) and a liquid supply hole (14) individually. The pocket (12) has a mixture guide member (20) and a nozzle cap (30) mounted thereon. Multiple guide grooves (22) are formed on the circumference of a crown shape unit (21) of the mixture guide member (20). The fluid supplied to the inside of the crown shape unit (21) through the guide grooves (22) is mixed with the compressed air sprayed from a discharging pipe unit (23) of the crown shape unit (21). The gas-liquid mixture fluid is sprayed to the outside through the spray hole (31) of the nozzle cap (30).

Description

이류체 혼합 노즐{TWO-FLUID JETTING NOZZLE}{TWO-FLUID JETTING NOZZLE}

본 발명은 CNC 등과 같은 공작기계 또는 절삭기계에서 절삭유와 압축공기를 혼합하여 분사하는 이류체 혼합 노즐에 관한 것으로서, 보다 상세하게는 공작기계의 공구 둘레에 배치된 공구장착부에 노즐 바디를 장착하면, 노즐 바디의 분사면이 경사지게 형성되어, 노즐 바디의 분사면에 구비되는 분사구멍이 자동으로 절삭 가공지점을 향하게 되고, 토출관부에서 분사구멍의 혼합부로 압축공기가 분사되는 힘에 의해 혼합부의 내주면과 토출관부 사이의 간극에 음압이 걸리게 되고, 음압에 의해 액체가 혼합부로 공급되어 압축공기와 혼합됨으로써, 기체와 액체의 혼합률이 높고, 압축공기의 분사 압력을 조절하는 것으로 액체의 분사 유량을 조절할 수 있는 이류체 혼합노즐에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an air-to-air mixing nozzle that mixes and injects cutting oil and compressed air in a machine tool or a cutting machine such as a CNC or the like, and more particularly, The jetting surface of the nozzle body is inclined so that the jetting hole provided in the jetting surface of the nozzle body is automatically directed to the cutting processing point and the force of the compressed air jetted from the jetting tube portion to the mixing portion of the jetting hole causes the inner peripheral surface of the mixing portion The negative pressure is applied to the gap between the discharge tube portions and the liquid is supplied to the mixing portion by the negative pressure and mixed with the compressed air so that the mixing ratio of the gas and the liquid is high and the injection flow rate of the liquid is adjusted by controlling the injection pressure of the compressed air The present invention relates to an air flow mixing nozzle.

대한민국 특허 제10-1363021호(2014년 2월 7일, 등록)에 “분사 노즐”이 소개되어 있다.Korean Patent No. 10-1363021 (registered on Feb. 7, 2014) introduces "spray nozzle".

상기 분사 노즐은 제1 유체를 공급하는 제1 통로와 제2 유체를 공급하는 제2 통로 및 제3 유체를 공급하는 제3 통로를 가지는 매니폴드, 상기 매니폴드에 결합되어 내측으로 상기 제1 통로에 연결되어 제1 토출구를 형성하고, 상기 제1 토출구 외측의 제1 와류홈으로 상기 제2 통로에 연결되는 제1 와류자, 상기 제1 와류홈에 접촉되어 상기 제1 와류자를 수용하여 상기 매니폴드에 결합되어 내측으로 상기 제2 통로에 연결되어 제2 토출구를 형성하고, 상기 제2 토출구 외측의 제2 와류홈으로 상기 제3 통로에 연결되는 제2 와류자, 및 상기 제2 와류홈에 접촉되어 상기 제2 와류자를 수용하여 상기 매니폴드에 결합되어 내측으로 상기 제3 통로에 연결되어 제3 토출구를 형성하는 토출캡을 포함한다. Wherein the injection nozzle comprises a manifold having a first passage for supplying a first fluid, a second passage for supplying a second fluid, and a third passage for supplying a third fluid, and a manifold, coupled to the manifold, A first vortex connected to the second passageway by a first vortex groove outside the first discharge port, and a second vortex groove formed in the first vortex groove to receive the first vortex, A second vortex connected to the third passage by a second vortex groove outside the second discharge port, and a second vortex connected to the third passage by being connected to the folded portion and being connected to the second passage inwardly to form a second discharge port, And a discharge cap connected to the manifold to receive the second vortex element and connected to the third passage inward to form a third discharge port.

그러나, 상기와 같은 종래의 분사 노즐은 구성이 매우 복잡하고, 기액혼합유체가 공작물을 향해 사선으로 분사될 수 있는 것에 대해 전혀 기술되어 있지않다.However, the above-described conventional injection nozzle has a very complicated structure and is not described at all in that the gas-liquid mixed fluid can be injected in a diagonal direction toward the workpiece.

따라서, 본 발명의 목적은 공작기계의 공구 둘레에 배치된 공구장착부에 노즐 바디를 장착하면, 노즐 바디의 분사면이 경사지게 형성됨으로써, 노즐 바디가 공작기계 또는 절삭기계에 부착된 상태에서 별도의 추가 구성요소없이 기액혼합유체가 공작물의 가공면으로 정확하게 분사될 수 있으며, 토출관부에서 분사구멍의 혼합부로 압축공기가 분사되는 힘에 의해 혼합부의 내주면과 토출관부 사이의 간극에 음압이 걸리게 되고, 음압에 의해 액체가 혼합부로 공급되어 압축공기와 혼합됨으로써, 기체와 액체의 혼합률이 높고, 압축공기의 분사 압력을 조절하는 것으로 액체의 분사 유량을 조절할 수 있는 이류체 혼합노즐을 제공하는 것이다.SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide an apparatus and a method for mounting a nozzle body on a tool mounting portion disposed around a tool of a machine tool, wherein a spray surface of the nozzle body is inclined, The gas-liquid mixed fluid can be accurately sprayed on the work surface of the workpiece without the component, and negative pressure is applied to the gap between the inner peripheral surface of the mixing portion and the discharge tube portion by the force of the compressed air being injected from the discharge tube portion to the mixing portion of the injection hole, And a mixing ratio of the gas and the liquid is high by mixing the liquid with the compressed air by supplying the liquid to the mixing part by means of the mixed air. Thus, it is possible to control the injection flow rate of the liquid by controlling the injection pressure of the compressed air.

상기와 같은 목적을 달성하기 위한 본 발명에 따른 이류체 혼합노즐의 일례는 노즐캡의 분사구멍에서 공작물의 가공부위로 분사되는 기액혼합유체의 분사각과 노즐바디의 분사면이 수직을 이루도록, 노즐 바디의 분사면이 경사지게 형성되고, 노즐바디의 분사면 중앙에 포켓이 천공되고, 포켓에 압축공기 공급구멍과 액체 공급구멍이 각각 연결되고, 포켓에 혼합 가이드 부재와 노즐캡이 장착됨으로써, 혼합 가이드 부재의 크라운 형상부의 둘레에 다수개의 유도홈이 형성되어, 유도홈을 통해 크라운 형상부의 내부로 공급되는 액체가 크라운 형상부의 토출관부에서 분사되는 압축공기와 만나 혼합되고, 기액혼합유체가 노즐캡의 분사구멍을 통해 외부로 분사되는 것을 특징으로 한다.According to another aspect of the present invention, there is provided an air flow mixing nozzle, comprising: a nozzle cap having a nozzle hole and a nozzle body, A piercing hole is formed at the center of the jetting surface of the nozzle body, a compressed air supply hole and a liquid supply hole are connected to the pocket, a mixing guide member and a nozzle cap are mounted on the pocket, A plurality of guide grooves are formed around the crown portion of the member so that the liquid supplied to the inside of the crown portion through the guide groove is mixed with the compressed air injected from the discharge tube portion of the crown portion and the gas- And is injected outside through the injection hole.

상기 혼합 가이드 부재는 둘레에 복수개의 유도홈이 등간격으로 형성된 크라운 형상부와 원통형 바디부가 목부에 의해 연결되고, 원통형 바디부에 형성된 중공부가 교축부와 이어지고, 교축부가 목부에서 크라운 형상부까지 형성되고, 교축부가 크라운 형상부의 중심에서 돌출되는 토출관부와 이어지는 것을 특징으로 한다.Wherein the mixing guide member is connected to the crown-shaped portion formed with a plurality of guide grooves at equal intervals around the cylindrical guide member and the cylindrical body portion by the neck portion, the hollow portion formed in the cylindrical body portion is connected to the throttling portion, and the throttling portion extends from the throat portion to the crown- And the throttling portion is connected to a discharge tube portion projecting from the center of the crown-shaped portion.

상기 노즐캡은 중공부가 형성된 본체의 일단에 원추부가 일체로 형성되고, 본체의 중공부에 혼합 가이드 부재가 끼워져, 본체와 내주면과 혼합 가이드 부재 사이에 액체통로가 형성되며, 액체통로 중 혼합 가이드 부재의 목부에 통로 확장부가 형성되며, 분사구멍이 혼합부와 분사부로 구성되며, 혼합부의 직경이 분사부의 직경보다 상대적으로 크며, 혼합부에 토출관부가 끼워져, 혼합부의 내주면과 토출관부 사이에 간극이 형성되어, 간극으로 기체와 혼합되는 액체가 통과하게 되는 것을 특징으로 한다.The nozzle cap has a conical part integrally formed at one end of a body formed with a hollow part, a mixing guide member is inserted into a hollow part of the body, a liquid passage is formed between the body, the inner circumferential surface and the mixing guide member, Wherein a diameter of the mixing portion is relatively larger than a diameter of the jetting portion and a discharge tube portion is fitted in the mixing portion so that a gap is formed between the inner peripheral surface of the mixing portion and the discharge tube portion So that the liquid which is mixed with the gas passes through the gap.

이것에 의해, 본 발명에 따른 이류체 혼합노즐은 공작기계의 공구 둘레에 배치된 공구장착부에 노즐 바디를 장착하면, 노즐 바디의 분사면이 경사지게 형성되어, 노즐 바디의 분사면에 구비되는 분사구멍이 자동으로 절삭 가공지점을 향하게 되고, 기체와 액체의 혼합률이 높고, 압축공기의 분사 압력을 조절하는 것으로 액체의 분사 유량을 조절할 수 있는 효과가 있다.Thus, when the nozzle body is mounted on the tool mounting portion disposed around the tool of the machine tool, the jet nozzle of the air body mixing nozzle according to the present invention is formed such that the spray surface of the nozzle body is inclined, Is automatically directed to the cutting processing point, the mixture ratio of the gas and the liquid is high, and the injection flow rate of the liquid can be controlled by controlling the injection pressure of the compressed air.

도 1은 본 발명에 따른 이류체 혼합노즐을 도시한 절삭기계에 배치된 예를 도시한 개략도
도 2는 본 발명에 따른 이류체 혼합노즐을 도시한 단면도
도 3은 본 발명에 따른 이류체 혼합노즐의 혼합 가이드 부재와 노즐캡을 도시한 단면도
도 4는 본 발명에 따른 이류체 혼합노즐의 혼합 가이드 부재와 노즐캡을 도시한 분해 사시도BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing an example in which a cutting machine shown in Fig.
FIG. 2 is a cross-sectional view showing an airflow mixing nozzle according to the present invention
FIG. 3 is a cross-sectional view showing a mixing guide member and a nozzle cap of the air mixing nozzle according to the present invention. FIG.
4 is an exploded perspective view showing a mixing guide member and a nozzle cap of the air mixing nozzle according to the present invention.

이하, 본 발명의 바람직한 실시예를 도면을 참조하여 상세하게 설명하기로 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

도 1 내지 도 4를 참조하면, 본 발명에 따른 이류체 혼합노즐은 노즐캡(30)의 분사구멍(31)에서 공작물(100)의 가공부위로 분사되는 기액혼합유체의 분사각(a)과 노즐바디(10)의 분사면(11)이 수직을 이루도록, 노즐 바디(10)의 분사면(11)이 경사지게 형성되고, 노즐바디(10)의 분사면(11) 중앙에 포켓(12)이 천공되고, 포켓(12)에 압축공기 공급구멍(13)과 액체 공급구멍(14)이 각각 연결되고, 포켓(12)에 혼합 가이드 부재(20)와 노즐캡(30)이 장착됨으로써, 혼합 가이드 부재(20)의 크라운 형상부(21)의 둘레에 다수개의 유도홈(22)이 형성되어, 유도홈(22)을 통해 크라운 형상부(21)의 내부로 공급되는 액체가 크라운 형상부(21)의 토출관부(23)에서 분사되는 압축공기와 만나 혼합되고, 기액혼합유체가 노즐캡(30)의 분사구멍(31)을 통해 외부로 분사된다. 1 to 4, the air mixing nozzle according to the present invention is characterized in that an injection angle a of the gas-liquid mixed fluid injected into the processing region of the work 100 in the injection hole 31 of the nozzle cap 30, The jetting surface 11 of the nozzle body 10 is formed to be inclined so that the jetting surface 11 of the nozzle body 10 is vertical and the pocket 12 is formed at the center of the jetting surface 11 of the nozzle body 10. [ The compressed air supply hole 13 and the liquid supply hole 14 are connected to the pocket 12 and the mixing guide member 20 and the nozzle cap 30 are mounted to the pocket 12, A plurality of guide grooves 22 are formed around the crown-shaped portion 21 of the member 20 so that the liquid supplied into the crown-shaped portion 21 through the guide groove 22 flows into the crown- And the gas-liquid mixed fluid is injected to the outside through the injection hole 31 of the nozzle cap 30. The gas-liquid mixed fluid is mixed with the compressed air injected from the discharge tube portion 23 of the nozzle cap 30,

도 3 및 도 4를 참조하면, 혼합 가이드 부재(20)는 둘레에 복수개의 유도홈(22)이 등간격으로 형성된 크라운 형상부(21)와 원통형 바디부(25)가 목부(26)에 의해 연결되고, 원통형 바디부(25)에 형성된 중공부(27)가 교축부(28)와 이어지고, 교축부(28)가 목부(26)에서 크라운 형상부(21)까지 형성되고, 교축부(28)가 크라운 형상부(21)의 중심에서 돌출되는 토출관부(23)와 이어진다.3 and 4, the mixing guide member 20 includes a crown-shaped portion 21 having a plurality of guide grooves 22 formed at regular intervals around the guide member 20 and a cylindrical body portion 25, The hollow portion 27 formed in the cylindrical body portion 25 is connected to the throttling portion 28 and the throttling portion 28 is formed from the neck portion 26 to the crown portion 21 and the throttling portion 28 Is connected to the discharge tube portion 23 protruding from the center of the crown-shaped portion 21.

상기 크라운 형상부(21)는 링 형상의 벽에 복수개의 유도홈(22)이 등간격으로 형성되어, 벽이 왕관 모양으로 형성된다.The crown-shaped portion 21 has a plurality of guide grooves 22 formed at regular intervals on the ring-shaped wall, and the wall is formed into a crown shape.

상기 노즐캡(30)은 중공부(33)가 형성된 본체(32)의 일단에 원추부(34)가 일체로 형성되고, 본체(32)의 중공부(33)에 혼합 가이드 부재(20)가 끼워져, 본체(32)와 내주면과 혼합 가이드 부재(20) 사이에 액체통로(35)가 형성되며, 액체통로(35) 중 혼합 가이드 부재(20)의 목부(26)에 통로 확장부(36)가 형성되며, 분사구멍(31)이 혼합부(31a)와 분사부(31b)로 구성되며, 혼합부(31a)의 직경이 분사부(31b)의 직경보다 상대적으로 크며, 혼합부(31a)에 토출관부(23)가 끼워져, 혼합부(31b)의 내주면과 토출관부(23) 사이에 간극(37)이 형성되어, 간극(37)으로 기체와 혼합되는 액체가 통과하게 된다. The nozzle cap 30 has a conical portion 34 integrally formed at one end of a main body 32 having a hollow portion 33 and a mixing guide member 20 is formed on the hollow portion 33 of the main body 32 A liquid passage 35 is formed between the main body 32 and the inner circumferential surface of the mixing guide member 20 and a passage extending portion 36 is formed in the neck portion 26 of the mixing guide member 20 in the liquid passage 35. [ The diameter of the mixing portion 31a is relatively larger than the diameter of the jetting portion 31b and the diameter of the mixing portion 31a is larger than the diameter of the jetting portion 31b, A gap 37 is formed between the inner circumferential surface of the mixing portion 31b and the discharge tube portion 23 so that the liquid mixed with the gas passes through the gap 37. [

상기와 같이 구성된 본 발명에 따른 이륜체 혼합노즐은 노즐캡(30)의 분사구멍(31)에서 공작물(100)의 가공부위로 분사되는 기액혼합유체의 분사각(a)과 노즐바디(10)의 분사면(11)이 수직을 이루도록, 노즐 바디(10)의 분사면(11)이 경사지게 형성됨으로써, 노즐 바디(10)가 공작기계 또는 절삭기계에 부착된 상태에서 기액혼합유체가 공작물(100)의 가공면으로 정확하게 분사되도록 노즐 바디(10)의 분사면(11)이 경사지게 세팅되어, 기액혼합유체가 공작물(100 ; 도 1 참조)의 가공면으로 향하기 위한 별도의 구성요소가 요구되지 않는다.The mixing nozzle a of the gas-liquid mixed fluid injected from the injection hole 31 of the nozzle cap 30 to the processing region of the workpiece 100 and the spray angle a of the nozzle body 10, The spray surface 11 of the nozzle body 10 is inclined so that the spray surface 11 of the nozzle body 10 is perpendicular to the surface of the workpiece 100 so that the gas- The injection surface 11 of the nozzle body 10 is set to be inclined so as to be accurately sprayed to the working surface of the workpiece 100 (see FIG. 1), so that a separate component for directing the gas-liquid mixed fluid to the working surface of the workpiece 100 .

또한, 노즐바디(10)의 압축공기 공급구멍(13)으로 압축공기가 공급될 때, 노즐바디(10)의 액체 공급구멍(14)으로 액체(예를 들어, 절삭유)가 공급된다. 이때, 압축공기 공급구멍(13)의 압축공기가 혼합 가이드 부재(20)의 중공부(27)로 공급되고, 중공부(27)에서 교축부(26)를 통해 토출관부(23)로 공급되고, 토출관부(23)에서 토출되는 압축공기가 노즐캡(30)의 분사구멍(31)을 통해 외부로 분사된다. 여기서, 토출관부(23)에서 분사구멍(31)의 혼합부(31a)로 압축공기가 분사되는 힘에 의해 혼합부(31b)의 내주면과 토출관부(23) 사이의 간극(37)에 음압이 걸리게 됨으로써, 유도홈(22)을 통해 크라운 형상부(21)의 내부로 공급되는 액체가 간극(37)으로 흡입되었다가 분사구멍(31)의 혼합부(31a)에서 압축공기와 혼합되고, 압축공기와 함께 분사구멍(31)의 분사부(31b)에서 외부로 분사된다. When the compressed air is supplied to the compressed air supply hole 13 of the nozzle body 10, liquid (for example, cutting oil) is supplied to the liquid supply hole 14 of the nozzle body 10. At this time, compressed air in the compressed air supply hole 13 is supplied to the hollow portion 27 of the mixing guide member 20 and is supplied to the discharge tube portion 23 from the hollow portion 27 through the throttling portion 26 , And the compressed air discharged from the discharge tube portion (23) is injected outside through the injection hole (31) of the nozzle cap (30). A negative pressure is applied to the gap 37 between the inner peripheral surface of the mixing portion 31b and the discharge tube portion 23 by the force of the compressed air injected from the discharge tube portion 23 to the mixing portion 31a of the injection hole 31 The liquid supplied into the crown-shaped portion 21 through the guide groove 22 is sucked into the gap 37 and mixed with the compressed air in the mixing portion 31a of the injection hole 31, And is jetted out from the jetting section 31b of the jetting hole 31 together with the air.

또한, 액체 공급구멍(14)에서 액체통로(35)로 공급되는 액체는 통로 확장부(36)를 통해 크라운 형상부(21)의 유도홈(22)으로 공급됨으로써, 액체가 통로 확장부(36)를 통과할 때, 펌프에 의해 공급되는 액체의 공급압력이 현저하게 줄어들게 되고, 크라운 형상부(21)의 유도홈(22)을 통해 크라운 형상부(21)의 내부로 공급되는 액체는 압축공기의 분사에 의한 간극(37)에 음압으로 인해 분사구멍(31)의 혼합부(31a)로 공급됨으로써, 기체와 액체의 혼합률이 높고, 압축공기의 분사 압력을 조절하는 것으로 액체의 분사 유량을 조절할 수 있게 된다.The liquid supplied from the liquid supply hole 14 to the liquid passage 35 is supplied to the guide groove 22 of the crown portion 21 through the passage extending portion 36 so that the liquid is supplied to the passage extending portion 36 The liquid supplied to the inside of the crown-shaped portion 21 through the guide groove 22 of the crown-shaped portion 21 is compressed by the compressed air The mixture rate of the gas and the liquid is high and the injection pressure of the compressed air is controlled by adjusting the injection flow rate of the liquid to be supplied to the mixing portion 31a of the injection hole 31 due to the negative pressure in the gap 37 caused by the injection of the compressed air. .

10 : 노즐 바디 20 : 혼합 가이드 부재
30 : 노즐 캡10: nozzle body 20: mixing guide member
30: nozzle cap

Claims (1)

노즐캡(30)의 분사구멍(31)에서 공작물(100)의 가공부위로 분사되는 기액혼합유체의 분사각(a)과 노즐바디(10)의 분사면(11)이 수직을 이루도록, 노즐 바디(10)의 분사면(11)이 경사지게 형성되고, 노즐바디(10)의 분사면(11) 중앙에 포켓(12)이 천공되고, 포켓(12)에 압축공기 공급구멍(13)과 액체 공급구멍(14)이 각각 연결되고, 포켓(12)에 혼합 가이드 부재(20)와 노즐캡(30)이 장착됨으로써, 혼합 가이드 부재(20)의 크라운 형상부(21)의 둘레에 다수개의 유도홈(22)이 형성되어, 유도홈(22)을 통해 크라운 형상부(21)의 내부로 공급되는 액체가 크라운 형상부(21)의 토출관부(23)에서 분사되는 압축공기와 만나 혼합되고, 기액혼합유체가 노즐캡(30)의 분사구멍(31)을 통해 외부로 분사되는 것을 특징으로 하는 이류체 혼합노즐.The nozzle body 10 is formed so that the spray angle a of the gas-liquid mixed fluid injected from the spray hole 31 of the nozzle cap 30 to the machining portion of the workpiece 100 is perpendicular to the spray surface 11 of the nozzle body 10, The pockets 12 are punched at the center of the spray surface 11 of the nozzle body 10 and the compressed air supply holes 13 and the liquid supply ports 13 are formed in the pockets 12, Holes 14 are respectively connected and the mixing guide member 20 and the nozzle cap 30 are mounted on the pockets 12 so that a plurality of guide grooves 20 are formed around the crown- The liquid supplied to the inside of the crown-shaped portion 21 through the guide groove 22 is mixed with the compressed air injected from the discharge tube portion 23 of the crown-shaped portion 21, And the mixed fluid is injected to the outside through the injection hole (31) of the nozzle cap (30).
KR1020150183804A 2015-12-22 2015-12-22 Two-fluid jetting nozzle KR20170013798A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018143614A1 (en) 2017-01-31 2018-08-09 주식회사 케이엠더블유 Cavity filter
CN112044613A (en) * 2020-10-19 2020-12-08 重庆渝江压铸有限公司 Automatic oil sprayer for general gasoline engine cylinder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018143614A1 (en) 2017-01-31 2018-08-09 주식회사 케이엠더블유 Cavity filter
CN112044613A (en) * 2020-10-19 2020-12-08 重庆渝江压铸有限公司 Automatic oil sprayer for general gasoline engine cylinder
CN112044613B (en) * 2020-10-19 2021-09-24 重庆渝江压铸有限公司 Automatic oil sprayer for general gasoline engine cylinder

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