KR20130082026A - Mixing device used for air flow for poly urethane metering foaming system - Google Patents

Mixing device used for air flow for poly urethane metering foaming system Download PDF

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KR20130082026A
KR20130082026A KR1020120003205A KR20120003205A KR20130082026A KR 20130082026 A KR20130082026 A KR 20130082026A KR 1020120003205 A KR1020120003205 A KR 1020120003205A KR 20120003205 A KR20120003205 A KR 20120003205A KR 20130082026 A KR20130082026 A KR 20130082026A
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air
polyol
mixing
isocyanate
fixed quantity
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KR1020120003205A
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Korean (ko)
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KR101333181B1 (en
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이학렬
이동원
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(주)케이산업
이학렬
이동원
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B29B7/24—Component parts, details or accessories; Auxiliary operations for feeding
    • B29B7/242—Component parts, details or accessories; Auxiliary operations for feeding in measured doses
    • B29B7/244—Component parts, details or accessories; Auxiliary operations for feeding in measured doses of several materials

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

PURPOSE: An air mixing apparatus for enhancing urethane mixing efficiency is provided to maximize mixing efficiency by inserting fixed quantity of air into polyol of a bubbler and crushing the air before colliding with isocyanate, and to maximize adiabatic efficiency of urethane foam by tightly forming the urethane foam. CONSTITUTION: An air mixing apparatus for enhancing urethane mixing efficiency includes a polyol supply unit (10) supplying polyol to a polyol fixed quantity pump (2), an isocyanate supply unit (20) supplying isocyanate to an isocyanate fixed quantity pump (1), and a mix head (6) mixing the polyol and the isocyanate for foaming urethane. The air mixing apparatus additionally includes an air mixing chamber (3) for mixing air in between the polyol supply unit and the polyol fixed quantity pump, an air fixed quantity supplier (4) supplying fixed quantity of air into the air mixing chamber, and a protrusion shaft (5) high-speed rotating the air supplied from the air fixed quantity supplier, and supplying the air into the chamber for mixing. [Reference numerals] (AA) Air

Description

우레탄 혼합효율 증대를 위한 공기 믹싱 장치{Mixing device used for air flow for poly urethane metering foaming system.}Mixing device used for air flow for poly urethane metering foaming system.

본 발명은 우레탄 패널의 혼합효율 증대를 위한 공기 믹싱 장치에 관한 것으로, 특히 에어정량공급기, 에어믹싱수단을 이용하여 우레탄 발포기의 포리올(PPG)에 에어를 정량 투입 믹싱하므로 우레탄의 발포조직을 조밀하게 할 수 있도록 한 것이다.The present invention relates to an air mixing device for increasing the mixing efficiency of the urethane panel, and in particular, by mixing the air in a fixed amount of air into the polyol (PPG) of the urethane foaming machine using an air metering feeder and an air mixing means, It is to be made.

일반적으로 우레탄 발포기는 이소시네이트(MDI)와 포리올(PPG)을 고압(약

Figure pat00001
)으로 서로 부딪혀 잘게 부서지면서 믹싱되도록 하는 방식으로, 고압압력이 저하되면 믹싱효율도 저하되며, 우레탄의 발포조직이 커지고 조밀성에 한계가 있어 우레탄 발포의 가장 장점인 단열효율이 저하되는 결점이 있었다.In general, urethane foaming equipment is characterized by high pressure (weak) of isocyanate (MDI) and polyol (PPG).
Figure pat00001
) By mixing with each other and breaking into fine pieces. When the high pressure is lowered, the mixing efficiency is lowered, and the foam structure of urethane is increased and the density is limited.

본 발명은 이와 같은 종래의 결점을 해결하기 위한 것으로, 본 발명의 목적은, 발포기의 포리올에 정량의 에어를 투입하고 잘게 부수어 이소시네이트와 서로 부딪혀 믹싱하므로 믹싱효율을 극대화하고, 우레탄 발포 조직을 작고 조밀하게 하여 우레탄 발포의 단열 효율을 극대화시키도록 하는 우레탄 혼합효율 증대를 위한 공기 믹싱 장치를 제공하는데 있다.The present invention is to solve such a conventional drawback, the object of the present invention is to put the quantitative air into the polyol of the foaming machine and crush it finely so that it is mixed with the isocyanate and mixed with each other to maximize the mixing efficiency, urethane foam structure It is to provide an air mixing device for increasing the urethane mixing efficiency to maximize the adiabatic efficiency of urethane foam by compact and compact.

이와 같은 목적을 달성하기 위한 본 발명은 포리올의 이송라인 파이프 중간에 에어믹스챔버를 만들고 에어믹스챔버 내부의 샤프트에 여러개의 돌기를 형성하여 고속회전시키면서 에어를 정량 투입기를 사용하여 챔버내로 투입도록 하므로 포리올에 에어가 미세하게 잘게 부수어져 마치 에어가 포리올에 용해된 상태를 이루며, 이 상태의 포리올을 이소시네이트와

Figure pat00002
의 압력으로 서로 부딪혀 믹싱함으로 우레탄 발포 조직을 작고 조밀하게 하는 우레탄 패널의 혼합효율 증대를 위한 공기 분사 장치를 제공하는데 있다.In order to achieve the above object, the present invention creates an air mix chamber in the middle of the feed line pipe of the polyol, and forms a plurality of protrusions on the shaft inside the air mix chamber to inject air into the chamber using a metering injector while rotating at high speed. The air is finely broken into the polyols to form a state in which the air is dissolved in the polyols.
Figure pat00002
The present invention provides an air injector for increasing the mixing efficiency of a urethane panel, which is made by compacting and urging a urethane foam structure by mixing with each other at a pressure of.

이상에서 상세히 설명한 바와 같은 본 발명은, 기존 발포방식에서는 발포압력의 상승 요인을 가져와 포리올과 이소시네이트의 고압정량펌프의 수명을 단축시키고 우레탄 발포의 조직을 조밀하게 할 수 없어 우레탄 발포시 단열효율이 저하되었던 것을 해소하여 포리올에 에어를 투입 믹싱후 이소시네이트와 비교적 작은 압력에서도 우레탄 발포 조직이 작고 조밀해지도록 하므로 단열 효율이 극대화되고 기존 발포압력보다 압력을 낮출 수 있어 고압 정량펌프의 수명을 증가시킬 수 있는 효과가 있다.The present invention as described in detail above, in the existing foaming method has a factor of increasing the foaming pressure to shorten the life of the high-pressure metering pump of the polyol and isocyanate, and the structure of the urethane foam can not be densified, the insulation efficiency during urethane foaming After eliminating this deterioration, the urethane foam structure is made compact and dense at isosinate and relatively small pressure after mixing with air in the polyol, so that the insulation efficiency is maximized and the pressure can be lowered than the existing foaming pressure. There is an effect that can be increased.

도 1은 본 발명의 개략적인 구성도
도 2는 본 발명의 돌기샤프트의 상세 구성을 나타낸 도면1 is a schematic configuration diagram of the present invention
2 is a view showing a detailed configuration of the projection shaft of the present invention

이하, 본 발명의 실시예를 첨부된 도면을 참고로 하여 상세히 설명하면 다음과 같다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 개략구성도, 도 2는 본 발명의 돌기샤프트를 나타낸 것으로, 포리올공급부(10)로부터의 포리올이 정량펌프(2)로 공급되고, 이소시네이트공급부(20)로부터의 이소시네이트가 정량펌프(1)로 공급되어 믹스헤드(6)를 통하여 믹싱되어 우레탄발포가 이루어지는 것에 있어서, 상기 포리올 공급부(10)와 포리올 정량펌프(2)사이에 에어를 믹싱하기 위한 에어믹스챔버(3)와, 상기 에어믹스챔버(3)에 에어를 정량 공급하기 위한 에어정량공급기(4)와, 고속회전하면서 상기 에어장량공급기(4)로부터의 에어를 챔버(3)로 공급하여 믹싱하도록 하는 돌기(5a)가 형성된 돌기샤프트(5)를 더 포함하여 구성된 것이다.Figure 1 is a schematic configuration diagram of the present invention, Figure 2 shows a projection shaft of the present invention, the polyol from the polyol supply unit 10 is supplied to the metering pump 2, isocinate from the isocyanate supply unit 20 The sinate is supplied to the metering pump 1 and mixed through the mix head 6 to form urethane foam. An air mix chamber for mixing air between the polyol supply unit 10 and the polyol metering pump 2 (3), an air quantity feeder (4) for quantitatively supplying air to the air mix chamber (3), and supply and mix air from the air quantity feeder (4) to the chamber (3) while rotating at high speed. It is configured to further include a projection shaft 5 is formed with a projection (5a).

도면중 미설명 부호 7은 모터이다.In the figure, reference numeral 7 denotes a motor.

이와 같이 구성된 본 발명의 작용을 설명한다.The operation of the present invention configured as described above will be described.

본 발명은 포리올공급부(10)로부터의 포리올이 포리올 정량펌프(2)로 공급되는 한편, 이소시네이트공급부(20)로부터의 이소시네이트가 이소시네이트정량펌프(1)로 공급되어져 믹스헤드(6)를 통하여 믹싱되어 우레탄발포가 이루어지는 통상의 구성에서, 상기 포리올공급부(10)와 포리올 정량펌프(2)사이에 에어믹스챔버(3), 에어정량공급기(4), 챔버의 돌기샤프트(5)가 더 구비되어 이루어진다.In the present invention, the polyol from the polyol supply unit 10 is supplied to the polyol metering pump (2), while the isocyanate from the isocyanate supply unit (20) is supplied to the isocyanate quantitative pump (1) so that the mixhead ( In the conventional configuration in which the urethane foaming is carried out through mixing 6), the air mix chamber 3, the air supply unit 4, and the projection shaft 5 of the chamber between the polyol supply unit 10 and the polyol metering pump 2 ) Is further provided.

즉, 본 발명은 포리올 정량 펌프(2)의 흡입라인에 에어믹스챔버(3)와 에어정량공급기(4) 및 돌기샤프트(5)를 구비하여 포리올 정량펌프(2)흡입시 에어믹스챔버(3)내의 돌기 샤프트(5)를 고속회전시키면서 에어정량공급기(4)를 통해 에어를 포리올정량펌프(2)로 정량공급한다.That is, the present invention is provided with the air mix chamber 3, the air metering feeder 4 and the projection shaft 5 in the suction line of the polyol metering pump 2, and the air mix chamber 3 when inhaling the polyol metering pump 2 While supplying the air into the polyol metering pump 2 through the air metering feeder 4 while rotating the projection shaft 5 inside the chopper at high speed.

따라서, 포리올공급부(10)로부터 포리올 정량펌프(2)로 흡입되는 포리올에 에어가 정량공급되면서 아주 미세하게 부수어져 마치 포리올에 용해된 상태를 이루게 된다.Therefore, as the air is quantitatively supplied to the polyol sucked from the polyol supply unit 10 to the polyol metering pump 2, it is broken very finely to form a state dissolved in polyol.

이때, 상기 돌기샤프트(5)에는 도 2에 도시된 바와 같이, 다수의 돌기(5a)가 형성되어 있어 샤프트(5)회전시 에어의 믹싱이 원활하게 이루어지도록 한다.At this time, as shown in Figure 2, the projection shaft 5, a plurality of projections (5a) is formed so that the mixing of the air smoothly when the shaft (5) rotates.

즉, 포리올에 에어가 용해된 상태로 믹싱헤드(6)로 공급됨과 동시에, 이소시네이트 공급부(20)로부터의 이소시네이트가 이소시네이트 정량펌프(1)로 흡입되어 믹싱헤드(6)로 공급된다. That is, the air is supplied to the mixing head 6 in a state in which air is dissolved in the polyol, and at the same time, the isocyanate from the isocyanate supply unit 20 is sucked into the isocyanate metering pump 1 to the mixing head 6. Supplied.

따라서, 믹싱헤드(6)에서 포리올과 이소시네이트가 서로 고압상태로 부딪히면서 믹싱되어 우레탄 발포가 이루어지게 되는 것이다.Therefore, in the mixing head 6, the polyol and isocyanate are mixed while colliding with each other under high pressure, and the urethane foaming is performed.

1:이소시네이트정량펌프 2:포리올정량펌프
3:에어믹스챔버 4:에어정량공급기
5:돌기샤프트 5a:돌기
6:믹스헤드1: isocyanate metering pump 2: polyol metering pump
3: Air Mix Chamber 4: Air Volume Feeder
5: protrusion shaft 5a: protrusion
6: Mixhead

Claims (2)

포리올공급부(10)로부터의 포리올이 포리올 정량펌프(2)로 공급되고, 이소시네이트공급부(20)로부터의 이소시네이트가 이소시네이트정량펌프(1)로 공급되어 믹스헤드(6)를 통하여 믹싱되어 우레탄발포가 이루어지는 것에 있어서,
상기 포리올 공급부(10)와 포리올 정량펌프(2)사이에 에어를 믹싱하기 위한 에어믹스챔버(3)와, 상기 에어믹스챔버(3)에 에어를 정량 공급하기 위한 에어정량공급기(4)와, 상기 에어정량공급기(4)로부터의 에어를 고속회전시키면서 챔버(3)로 공급하여 믹싱하는 돌기샤프트(5)를 더 포함하여 구성된 것을 특징으로 하는 우레탄 혼합효율 증대를 위한 공기 믹싱 장치.The polyol from the polyol supply unit 10 is supplied to the polyol metering pump 2, and the isocyanate from the isocyanate supply unit 20 is supplied to the isocyanate metering pump 1, through the mix head 6 In mixing and forming urethane foam,
An air mix chamber (3) for mixing air between the polyol supply unit (10) and the polyol metering pump (2), and an air quantity feeder (4) for supplying a fixed amount of air to the air mix chamber (3); And a projection shaft (5) for feeding and mixing the air from the air supply (4) to the chamber (3) while rotating at high speed. 제 1항에 있어서, 상기 돌기 샤프트(5)에 다수의 돌기(5a)가 구비되어 고속으로 회전하면서 에어를 믹싱하도록 구성된 것을 특징으로 하는 우레탄 혼합효율 증대를 위한 공기 믹싱 장치.





2. The air mixing device according to claim 1, wherein a plurality of protrusions (5a) are provided on the protrusion shaft (5a) and configured to mix air while rotating at a high speed.





KR1020120003205A 2012-01-10 2012-01-10 Mixing device used for air flow for poly urethane metering foaming system. KR101333181B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101466878B1 (en) * 2013-07-24 2014-12-03 (주) 디유티코리아 Foaming material nucleation machine with double mixer
KR20150109928A (en) * 2014-03-21 2015-10-02 이동원 Polyurethane mixing head system used of hollow air cylinder and motor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100475250B1 (en) 2002-07-25 2005-03-10 이상출 Polyurethane mixing head assembly for foaming.
JP2008284811A (en) 2007-05-18 2008-11-27 Bridgestone Corp Mixing head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101466878B1 (en) * 2013-07-24 2014-12-03 (주) 디유티코리아 Foaming material nucleation machine with double mixer
KR20150109928A (en) * 2014-03-21 2015-10-02 이동원 Polyurethane mixing head system used of hollow air cylinder and motor

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