KR20030025509A - Injecting apparatus for poly-urethan - Google Patents

Injecting apparatus for poly-urethan Download PDF

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Publication number
KR20030025509A
KR20030025509A KR1020010058581A KR20010058581A KR20030025509A KR 20030025509 A KR20030025509 A KR 20030025509A KR 1020010058581 A KR1020010058581 A KR 1020010058581A KR 20010058581 A KR20010058581 A KR 20010058581A KR 20030025509 A KR20030025509 A KR 20030025509A
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KR
South Korea
Prior art keywords
nozzle
polyurethane
head
injection device
mixing
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KR1020010058581A
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Korean (ko)
Inventor
최봉조
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동부아디아판넬 주식회사
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Priority to KR1020010058581A priority Critical patent/KR20030025509A/en
Publication of KR20030025509A publication Critical patent/KR20030025509A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Robotics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE: An injecting apparatus for polyurethane is provided to perform the process continuously by mixing urethane solution and injecting to a discharge port without hardening, and to cut down manufacturing cost by increasing the productivity. CONSTITUTION: A polyurethane injector is composed of a body(10) having a nozzle(10a), a head(10b) having a space for mixing, and plural assembling holes formed at the side of the head; a mixing unit installed in the nozzle; an air injection pipe(9b) combined with the assembling hole of the head; and urethane fluid injection pipes(9a,9c) combined with the assembling holes; and a discharge port(13) combined with the end of the nozzle. Different urethane fluid is injected through injection ports and mixed in the head, and a polyurethane foaming agent is moved spirally with the double spring of the nozzle. The productivity is increased with performing the process continuously.

Description

폴리우레탄 주입장치{Injecting apparatus for poly-urethan}Polyurethane injection device {Injecting apparatus for poly-urethan}

본 발명은 물성이 다른 두가지 이상의 우레탄액을 서로 혼합한 발포제를 소정 형틀에 적정량을 주입하기 위한 폴리우레탄 주입장치에 관한 것이다.The present invention relates to a polyurethane injection device for injecting a suitable amount of a blowing agent in which two or more urethane liquids having different physical properties are mixed with each other in a predetermined mold.

일반적으로 두가지 이상의 액체성분을 혼합한 폴리우레탄 혼합제를 주입하는 폴리우레탄 주입장치에는 좁은 공간에서 사용하는 건타입의 수동식 주입장치와 넓은 공간에서 사용하는 유압모터를 이용하여 폴리우레탄 혼합제를 소정의 형틀에 분사하여 발포시키는 분사장치 등이 있다.In general, a polyurethane injection device for injecting a polyurethane mixture in which two or more liquid components are mixed has a polyurethane type mixture in a predetermined mold using a dry type manual injection device used in a narrow space and a hydraulic motor used in a large space. And a spraying device for spraying and foaming.

건타입의 수동식 주입장치의 경우 한쌍의 주입구에 각각 두가지 이상의 액체성분을 주입하여 건의 내부에서 혼합된 폴리우레탄 발포제를 소정의 위치에 수동으로 적정량을 주입하는 구성으로 되어 있으며, 유압모터를 이용한 주입장치의 경우 일단부에 유압모터 회전부와 두가지 이상의 액체성분을 주입할 수 있는 주입구가 각각 형성되어 있어 액체성분이 각각의 주입구로 주입되면 주입장치 내부에서 각각의 액체성분이 혼합됨과 동시에 발포되어 발포제 자체의 무게에 의해 소정 형틀에주입되는 구성으로 되어 있다.In the case of the manual type injection device of the gun type, two or more liquid components are injected into each of the pair of injection ports, and the polyurethane foam mixed in the gun is manually injected at a predetermined position, and the injection device using a hydraulic motor is used. In the case of the hydraulic motor rotating part and the injection hole for injecting two or more liquid components are formed at each end, when the liquid component is injected into each injection hole, the respective liquid components are mixed and foamed at the same time inside the injection device, It is a structure inject | poured into a predetermined mold by weight.

그러나 상기와 같은 구성에 의한 폴리우레탄 주입장치는 소정의 형틀에 적정량을 일정시간 내에 주입하지 않으면 발포제가 주입장치의 우레탄액 주입구로부터 폴리우레탄 발포제의 경화가 진행되어 노즐은 물론 건의 내부와 유압모터의 회전부까지 경화되어 폴리우레탄 발포제의 충진 공정이 중단되는 문제가 있었다.However, in the polyurethane injection device according to the above configuration, if the proper amount is not injected into a predetermined mold within a predetermined time, the foaming agent proceeds to cure the polyurethane blowing agent from the urethane liquid inlet of the injection device, and thus the nozzle and the inside of the gun and the hydraulic motor. There was a problem that the filling process of the polyurethane foaming agent is stopped by curing until the rotation part.

따라서, 내부가 경화된 폴리우레탄 주입장치는 여벌의 장치로 교체하여야 하는바, 교체기간중 제조라인의 가동이 중단될 뿐만 아니라 여벌의 주입장치도 구비해야 하는등 주입장치를 교체하기 위한 시간이 소요되어 생산제품의 품질이 저하되고 생산성이 저하되는 문제점이 있었다.Therefore, the hardened polyurethane injection device has to be replaced with a spare device, and it takes time to replace the injection device, such as not only stopping the operation of the manufacturing line but also providing a spare injection device during the replacement period. There was a problem that the quality of the product is reduced and the productivity is lowered.

또한, 공정의 연속성을 확보할 수 없으며, 생산제품의 제조원가가 상승하는 문제점이 있다.In addition, it is not possible to secure the continuity of the process, there is a problem that the manufacturing cost of the production product increases.

이에 본 발명은 상기한 바와 같은 문제점을 해소시키기 위하여 창안된 것으로, 우레탄액 주입시 주입장치가 폴리우레탄 발포제의 경화로 인하여 발포제의 충진 공정이 중단되는 것을 방지하여 여벌의 주입장치가 불필요하며, 주입장치의 교체시간을 줄여서 제조원가를 절감시키는 것을 목적으로 한다.Therefore, the present invention was devised to solve the above problems, and the injection device is unnecessary when the injection of the urethane liquid is prevented from stopping the filling process of the blowing agent due to the curing of the polyurethane foaming agent, the extra injection device is unnecessary, injection The aim is to reduce the manufacturing time by reducing the replacement time of the device.

또 다른 목적으로는 풀리우레탄 충진 공정의 연속성을 확보하여, 생산품의 품질 및 생산성을 향상시키는데 있다.Another object is to secure the continuity of the pulley polyurethane filling process, to improve the quality and productivity of the product.

도 1은 본 발명 폴리우레탄 주입장치의 분해 사시도,1 is an exploded perspective view of the polyurethane injection device of the present invention,

도 2는 본 발명 폴리우레탄 주입장치의 조립된 상태를 나타낸 사시도,Figure 2 is a perspective view showing the assembled state of the polyurethane injection device of the present invention,

도 3은 본 발명 폴리우레탄 주입장치의 작용 상태를 나타낸 단면도.Figure 3 is a cross-sectional view showing the operating state of the present invention polyurethane injection device.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

9a : 우레탄액(A) 주입관 9b : 공기주입관9a: urethane liquid (A) injection pipe 9b: air injection pipe

9c : 우레탄액(B) 주입관 10 : 몸체9c: urethane solution (B) injection tube 10: body

10a : 노즐 10b : 헤드10a: nozzle 10b: head

11a : 우레탄액(A) 주입구 11b : 공기주입구11a: urethane liquid (A) inlet 11b: air inlet

11c : 우레탄액(B) 주입구 12 : 믹싱수단11c: urethane liquid (B) inlet 12: mixing means

13 : 배출구13: outlet

상기 목적을 달성하기 위한 본 발명은 일측에 노즐이 형성되고, 타측에는 내부에 혼합공간이 형성된 헤드가 형성되며, 헤드의 일측에 혼합공간과 외부를 연통시키는 복수개의 결합공이 형성된 몸체와; 상기 헤드의 일측 결합공에 결합되는 공기주입관과; 상기 헤드의 타측에 형성된 한쌍의 결합공에 결합되는 우레탄액 주입관과; 상기 몸체의 노즐 내부에 편성되어 폴리우레탄 혼합액에 나선유동을 주는 믹싱수단과; 노즐의 단부에 결합된 배출구로 구성된 것을 특징으로 한다.The present invention for achieving the above object is a nozzle is formed on one side, the head is formed in the mixing space is formed on the other side, the body formed with a plurality of coupling holes to communicate the mixing space and the outside on one side of the head; An air injection pipe coupled to one coupling hole of the head; A urethane solution injection tube coupled to a pair of coupling holes formed at the other side of the head; Mixing means knitted in the nozzle of the body and giving spiral flow to the polyurethane mixed liquid; And an outlet coupled to the end of the nozzle.

이하, 본 발명의 바람직한 일 실시예를 첨부된 도면을 참조하여 상세히 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명 폴리우레탄 주입장치의 분해 사시도이고, 도 2는 본 발명 폴리우레탄 주입장치의 조립된 상태를 나타낸 사시도로서 도시하는 바와 같이, 몸체 (10)의 일측에는 중공을 가진 노즐(10a)이 형성되고, 타측에는 내부에 혼합공간을 가진 헤드(10b)가 형성되며, 헤드(10b)의 일측에 혼합공간과 외부를 연통하는 복수개의 결합공이 각각 형성되어 있다.1 is an exploded perspective view of the polyurethane injection device of the present invention, Figure 2 is a perspective view showing the assembled state of the polyurethane injection device of the present invention, as shown on one side of the body 10, the nozzle 10a having a hollow The head 10b having a mixing space therein is formed at the other side, and a plurality of coupling holes communicating with the mixing space and the outside are formed at one side of the head 10b, respectively.

상기 몸체(10)의 일측 결합공에는 육각 볼트형상의 중공인 공기주입관(9b)의 일단부가 결합되고, 타측 한쌍의 결합공에도 공기주입관(9b)과 동형상의 중공인 우레탄액 주입관(9a,9c)의 일단부가 각각 결합되어 있다.One end of the hexagonal bolt-shaped air injection pipe 9b is coupled to one side coupling hole of the body 10, and the urethane liquid injection tube is hollow in the same shape as the air injection tube 9b in the other pair of coupling holes. One ends of 9a and 9c are respectively joined.

그리고 상기 몸체(10)의 노즐(10a)의 내부에는 믹싱수단(12)이 설치되어 있는데, 상기 믹싱수단(12)의 경우 유동저항을 부여하면서 안내하기 위한 것으로 일반적으로는 2중 코일 스프링으로 하는 것이 바람직하나, 상기 노즐(10a)의 내주면에 나선부를 형성할 수도 있고, 노즐(10a) 내부의 유로 자체를 나선형상으로 형성하여도 무관하다.In addition, a mixing means 12 is installed inside the nozzle 10a of the body 10. The mixing means 12 is provided for guiding while providing flow resistance. Preferably, the spiral portion may be formed on the inner circumferential surface of the nozzle 10a, or the flow path itself inside the nozzle 10a may be formed in a spiral shape.

한편, 상기 노즐(10a)의 일측에는 경화시기를 고려한 소정 직경의 배출공이 형성된 배출구(13)가 결합되어 있다.On the other hand, one side of the nozzle (10a) is coupled to the discharge port 13 is formed with a discharge hole of a predetermined diameter considering the curing time.

이하, 상기 일 실시예에 따른 본 발명 폴리우레탄 주입장치의 작용을 설명한다.Hereinafter, the operation of the present invention polyurethane injection device according to the embodiment.

도 3은 본 발명 폴리우레탄 주입장치의 작용 상태를 나타내는 단면도로서 도시하는 바와 같이, 상이한 성분의 우레탄액(A)와 우레탄액(B)를 주입구(11a)과(11c )에 주입하면 두 우레탄액은 각각 주입관(9a)(9c)을 거쳐서 헤드(10b) 내부의 혼합공간에 주입됨과 동시에 에어 콤프레샤에서 공급된 저속의 공기도 주입되어 혼합공간의 내부에서 서로 혼합되고, 이와 동시에 발포가 진행되면서 주입 공기 압력에 의하여 혼합공간에서 노즐(10a)로 이동하게 된다.3 is a cross-sectional view showing the operation state of the polyurethane injection device of the present invention, when the urethane liquid (A) and the urethane liquid (B) of different components are injected into the injection ports (11a) and (11c) two urethane liquids Are injected into the mixing space inside the head 10b via the injection pipes 9a and 9c, respectively, and the low-speed air supplied from the air compressor is also injected and mixed with each other in the mixing space. The injection air pressure is moved to the nozzle 10a in the mixing space.

노즐(10a)로 이동된 폴리우레탄 발포제는 노즐(10a)의 내부에 설치되어 있는 믹싱수단(12)인 이중 스프링에 의해 나선을 따라 유동하므로 믹싱됨과 동시에 진행하게 된다.The polyurethane foaming agent moved to the nozzle 10a flows along the spiral by a double spring, which is the mixing means 12 installed inside the nozzle 10a, so that the mixing and progress simultaneously.

이러한 노즐(10a)에서의 복합적인 유동에 의해 일정 시간이 경과된 후 경화되는 특성을 지닌 폴리우레탄 발포제는 주입장치의 내부에서 경화되지 않고 연속해서 노즐(10a)의 단부에 결합된 배출구의 배출공을 통해 폴리우레탄 발포제가 주입되어야 할 소정의 형틀에 주입된다.Polyurethane foam having a characteristic of curing after a predetermined time has elapsed by the complex flow in the nozzle 10a does not cure inside the injection device, but is continuously discharged from the discharge port of the outlet coupled to the end of the nozzle 10a. Polyurethane blowing agent is injected into the mold to be injected through.

그리고, 시스템 가동을 중단할 때, 노즐(10a)의 내부에서 미처 분사되지 못하고 잔류된 발포제가 경화되는 경우에는 배출구(13)를 먼저 해체한 다음 노즐(10a )의 내부에 설치되어 있는 믹싱수단(12)을 꺼내어 용제에 담그면 주입장치 내부에서 경화된 폴리우레탄 발포제를 손쉽게 제거할 수 있다.And, when the system stops operating, if the remaining blowing agent is hardened by spraying in the nozzle 10a and the remaining blowing agent is cured, the discharging port 13 is first dismantled, and then mixing means installed in the nozzle 10a ( 12) Take out and immerse in the solvent to remove the hardened polyurethane foam inside the injection device.

경화된 폴리우레탄 발포제를 제거한 후에는 믹싱수단(12)을 노즐(10a)에 삽입하여 재사용함으로써 별도의 부품 또는 주입장치를 교체할 필요없이 반복해서 사용할 수 있다.After removing the cured polyurethane foam, the mixing means 12 may be inserted into the nozzle 10a to be reused, without having to replace a separate part or an injection device.

이상과 같은 구성과 작용에 의한 폴리우레탄 주입장치는 종래의 무겁고, 복잡한 구성을 탈피하여 보다 간단하고, 효율적으로 구성함으로써 건축용 패널의 제작 공정이나 외부를 폴리우레탄으로 피복하는 공정등 폴리우레탄의 충진을 필요로하는 공정에 보다 용이하게 적용할 수 있다.Polyurethane injection device by the above-described configuration and action is more simple and efficient by avoiding the conventional heavy and complicated configuration, and thus filling the polyurethane such as building panel manufacturing process or coating the outside with polyurethane. It can be applied more easily to the required process.

이상과 같이 설명한 본 발명에 의한 폴리우레탄 주입장치는 우레탄액 주입구에서부터 배출구까지 폴리우레탄 발포제의 경화가 진행되어 폴리우레탄 발포제의 충진 공정이 가동중단되는 것을 방지함으로써 경화된 폴리우레탄 발포제를 제거하기 위해 여벌의 주입장치로 교체하는 시간을 줄여 제조원가를 절감할 수 있다.The polyurethane injection device according to the present invention as described above has a margin to remove the cured polyurethane foam by preventing the polyurethane foaming agent from hardening the polyurethane foaming agent from the urethane liquid inlet to the outlet to stop the filling process of the polyurethane foaming agent. The manufacturing time can be reduced by reducing the time required to replace the injection device of the device.

또한, 풀리우레탄 충진 공정의 연속성을 확보하고, 생산품의 품질 및 생산성 을 향상시키는 효과가 있다.In addition, there is an effect to secure the continuity of the polyurethane filling process, improve the quality and productivity of the product.

Claims (3)

일측에 노즐(10a)이 형성되고, 타측에는 내부에 혼합공간이 형성된 헤드 (10b)가 형성되며, 헤드(10b)의 일측에 복수개의 결합공이 형성된 몸체(10)와;A nozzle 10a on one side, a head 10b on which the mixing space is formed, and a body 10 on which a plurality of coupling holes are formed on one side of the head 10b; 상기 노즐(10a)의 내부에 설치된 믹싱수단(12)과;Mixing means (12) provided inside the nozzle (10a); 상기 노즐(10a)의 단부에 결합된 배출구(13)로 구성된 것을 특징으로 하는 폴리우레탄 주입장치.Polyurethane injection device, characterized in that consisting of the discharge port 13 is coupled to the end of the nozzle (10a). 제 1 항에 있어서, 상기 몸체(10)의 일측 결합공에 중공인 공기주입관(9b) 의 일단부가 결합되고,According to claim 1, One end of the air injection pipe (9b) is hollow to one side coupling hole of the body (10), 상기 공기주입관(9b)의 양측 결합공에 우레탄액 주입관(9a)(9d)의 일단부가 각각 결합된 것을 특징으로 하는 폴리우레탄 주입장치.Polyurethane injection device, characterized in that one end of the urethane liquid injection pipe (9a) (9d) is coupled to both sides of the coupling hole of the air injection pipe (9b). 제 1 항 또는 제 2 항에 있어서, 상기 믹싱수단(12)은 노즐(10a) 내부에 설치되는 이중 코일 스프링인 것을 특징으로 하는 폴리우레탄 주입장치.The polyurethane injection device according to claim 1 or 2, wherein the mixing means (12) is a double coil spring installed inside the nozzle (10a).
KR1020010058581A 2001-09-21 2001-09-21 Injecting apparatus for poly-urethan KR20030025509A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004096569A3 (en) * 2003-05-02 2005-01-27 Hyperlast Ltd Manufacture of gravure printing rollers
KR100826228B1 (en) * 2006-11-14 2008-04-30 노동현 Apparatus for inputting silicone
KR101109071B1 (en) * 2009-08-05 2012-01-31 (주)아이마스티 Mixing head of low pressure foaming machine
KR101330965B1 (en) * 2011-12-29 2013-11-18 곽재현 Method and apparatus for fixing rock bolt in tunnel
KR101466876B1 (en) * 2013-03-25 2014-12-03 (주) 디유티코리아 Mixing head with air nozzle
CN111284001A (en) * 2018-12-07 2020-06-16 罗天珍 Dedicated colour mixture extruder of three-dimensional inkjet printer
CN113878785A (en) * 2021-10-11 2022-01-04 长虹美菱股份有限公司 Annotate material rifle head and have its refrigerator cabinet polyurethane and annotate material system

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KR890012395U (en) * 1987-12-09 1989-08-07 장영완 Multicolor synthetic resin solution injection device for shoe molding
JPH0531739A (en) * 1991-07-31 1993-02-09 Toho Kikai Kogyo Kk Mixing head
JPH05220768A (en) * 1992-02-07 1993-08-31 Tokai Chem Ind Ltd Foamed resin mixing device
KR20000017833U (en) * 1999-03-05 2000-10-05 차재인 a grouting injector
JP2001200877A (en) * 2000-01-14 2001-07-27 Tokai Rubber Ind Ltd Method of manufacturing bound stopper

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Publication number Priority date Publication date Assignee Title
KR890012395U (en) * 1987-12-09 1989-08-07 장영완 Multicolor synthetic resin solution injection device for shoe molding
JPH0531739A (en) * 1991-07-31 1993-02-09 Toho Kikai Kogyo Kk Mixing head
JPH05220768A (en) * 1992-02-07 1993-08-31 Tokai Chem Ind Ltd Foamed resin mixing device
KR20000017833U (en) * 1999-03-05 2000-10-05 차재인 a grouting injector
JP2001200877A (en) * 2000-01-14 2001-07-27 Tokai Rubber Ind Ltd Method of manufacturing bound stopper

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004096569A3 (en) * 2003-05-02 2005-01-27 Hyperlast Ltd Manufacture of gravure printing rollers
KR100826228B1 (en) * 2006-11-14 2008-04-30 노동현 Apparatus for inputting silicone
KR101109071B1 (en) * 2009-08-05 2012-01-31 (주)아이마스티 Mixing head of low pressure foaming machine
KR101330965B1 (en) * 2011-12-29 2013-11-18 곽재현 Method and apparatus for fixing rock bolt in tunnel
KR101466876B1 (en) * 2013-03-25 2014-12-03 (주) 디유티코리아 Mixing head with air nozzle
CN111284001A (en) * 2018-12-07 2020-06-16 罗天珍 Dedicated colour mixture extruder of three-dimensional inkjet printer
CN113878785A (en) * 2021-10-11 2022-01-04 长虹美菱股份有限公司 Annotate material rifle head and have its refrigerator cabinet polyurethane and annotate material system
CN113878785B (en) * 2021-10-11 2024-03-19 长虹美菱股份有限公司 Annotate material rifle head and have its refrigerator cabinet polyurethane notes material system

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