KR20020076414A - Oil Tank Of Oil Pressure Machine - Google Patents

Oil Tank Of Oil Pressure Machine Download PDF

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Publication number
KR20020076414A
KR20020076414A KR1020010016234A KR20010016234A KR20020076414A KR 20020076414 A KR20020076414 A KR 20020076414A KR 1020010016234 A KR1020010016234 A KR 1020010016234A KR 20010016234 A KR20010016234 A KR 20010016234A KR 20020076414 A KR20020076414 A KR 20020076414A
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KR
South Korea
Prior art keywords
oil tank
oil
housing
filter
foreign matter
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KR1020010016234A
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Korean (ko)
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KR100394373B1 (en
Inventor
유근현
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유근현
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Priority to KR10-2001-0016234A priority Critical patent/KR100394373B1/en
Publication of KR20020076414A publication Critical patent/KR20020076414A/en
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Publication of KR100394373B1 publication Critical patent/KR100394373B1/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/83—Lubricating means
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
    • B29C66/0046—Preventing sticking together, e.g. of some areas of the parts to be joined by the use of a lubricant, e.g. fluid, powder
    • B29C66/00461—Preventing sticking together, e.g. of some areas of the parts to be joined by the use of a lubricant, e.g. fluid, powder being liquid, e.g. oil based
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7172—Fuel tanks, jerry cans

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Manufacturing & Machinery (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

PURPOSE: An oil tank used in hydraulic equipment is provided to reduce wet and rust generated in the oil tank and to expand a life span of oil by preventing rust from flowing into a filter. CONSTITUTION: An oil tank(30) includes a fan(80) at an upper portion thereof to reduce wet. The fan(80) is communicated with a housing(32) of the oil tank(30) through a duct(82). The duct(82) is connected to an upper surface of the housing(32). An air suction hole(70) is formed at the upper surface of the housing(32) in opposition to the fan(80). A filtering member(72) is provided in the air suction hole(70) in order to filter impurities introduced into the oil tank(30). A bottom surface of the housing(32) is inclined to prevent rust from flowing into the filtering member(72). The bottom surface of the housing(32) is downward inclined from the filtering member(42) towards one end of the housing(32).

Description

유압기기의 오일탱크{Oil Tank Of Oil Pressure Machine}Oil Tank of Oil Pressure Machine

본 발명은 유압기기의 오일탱크에 관한 것으로서, 보다 상세하게는 오일탱크내의 수분 및 이물질의 발생을 최소화하여 유압기기의 성능을 향상시키도록 한 유압기기의 오일탱크에 관한 것이다.The present invention relates to an oil tank of a hydraulic device, and more particularly to an oil tank of a hydraulic device to minimize the occurrence of water and foreign matter in the oil tank to improve the performance of the hydraulic device.

일반적으로, 유압기기에는 다수의 장치들이 포함되는 바, 그 일례로서 사출성형기를 들어 설명한다.Generally, a hydraulic apparatus includes a plurality of apparatuses, and an injection molding machine will be described as an example.

상기한 사출성형기는 금형이 유압으로 작동되면서 호퍼를 통해 플라스틱 수지 원료를 사출기 형체부의 금형내에 사출하게 되는 것이다.The injection molding machine is to inject the plastic resin raw material into the mold of the injection molding unit through the hopper while the mold is operated hydraulically.

이러한 사출성형기(2)는 첨부도면 도 1 및 도 2에 도시된 바와 같이, 그 일측에는 작동유인 오일이 저장되어 있는 오일탱크(10)가 구비된다.This injection molding machine 2 is shown in the accompanying drawings, Figures 1 and 2, one side is provided with an oil tank (10) in which the operating oil oil is stored.

이러한 종래의 오일탱크(10)는 첨부도면 도 2에 도시된 바와 같이, 그 하우징(12)의 형상이 사각형상으로 형성되며, 상기한 하우징(12)의 상부 일측에는 개폐가능한 캡(16)이 구비되어 있는 오일주입구(14)가 돌출형성된다.This conventional oil tank 10 is shown in Figure 2, the shape of the housing 12 is formed in a quadrangular shape, the upper side of the housing 12, the opening and closing cap 16 is The oil injection hole 14 provided is protruded.

상기한 오일주입구(14)와 이격된 하우징(12)의 상단부에는 오일탱크(10)내의 오일이 각 기관을 순환한 후에 오일탱크(10)로 리턴되어 유입되도록 된 리턴파이프(26)가 다수개 구비된다.A plurality of return pipes 26 are provided at the upper end of the housing 12 spaced apart from the oil inlet 14 so that the oil in the oil tank 10 is returned to the oil tank 10 after being circulated through each engine. It is provided.

또한, 상기한 오일탱크(10)의 내부에는 오일탱크(10)의 내부 일측을 상하로 이등분하는 배플(18)이 구비된다.In addition, the oil tank 10 is provided with a baffle 18 that bisects an inner side of the oil tank 10 up and down.

상기한 오일탱크(10)내의 하단부 일측에는 기관으로 토출되는 오일중의 이물질을 걸러내는 여과기(24)가 구비되고, 이 여과기(24)의 일측에는 오일탱크(10)의 하우징(12)을 관통하여 오일탱크(10) 외측으로 돌출된 흡입관(22)이 연결되어 구비되며, 이 흡입관(22)의 단부에는 오일을 기관으로 공급하기 위한 오일펌프(20)가 연결되어 구비된다.One end of the lower end of the oil tank 10 is provided with a filter 24 for filtering foreign matter in the oil discharged to the engine, one side of the filter 24 penetrates through the housing 12 of the oil tank 10 A suction pipe 22 protruding out of the oil tank 10 is connected and provided, and an oil pump 20 for supplying oil to the engine is connected to an end of the suction pipe 22.

이와 같이 이루어진 종래의 사출성형기(2)에 구비된 오일탱크(10)는 오일주입구(14)의 캡(16)을 개방시킨 상태에서 오일을 충전시킨 후, 캡(16)을 오일주입구(14)상에 결합시킨다.The oil tank 10 provided in the conventional injection molding machine 2 made as described above is filled with oil in a state in which the cap 16 of the oil inlet 14 is opened, and then the cap 16 is filled with the oil inlet 14. Bind to phase.

이후, 사출성형기(2)를 작동시키면, 오일탱크(10)의 하우징(12) 일측에 구비된 오일펌프(20)가 작동되면서 오일탱크(10)내의 오일을 사출성형기(2)의 각 기관으로 공급하여 기관을 윤활 및 냉각시키게 된다.Then, when the injection molding machine 2 is operated, the oil pump 20 provided at one side of the housing 12 of the oil tank 10 is operated to transfer the oil in the oil tank 10 to each engine of the injection molding machine 2. Supply to lubricate and cool the engine.

이때, 상기한 오일펌프(20)가 작동되면, 오일탱크(10)내의 오일은여과기(24)를 지나면서 이물질이 걸러지고, 흡입관(22)을 통해 오일펌프(20)로 유입되어 사출성형기(2)의 각 기관으로 공급되게 되는 것이다.At this time, when the oil pump 20 is operated, the oil in the oil tank 10 is filtered foreign matter while passing through the filter 24, flows into the oil pump 20 through the suction pipe 22 to the injection molding machine ( It is to be supplied to each institution of 2).

한편, 상기와 같이 사출성형기(2)의 각 기관을 순환한 오일은 오일탱크(10)의 상부에 구비된 다수의 리턴파이프(26)를 통해 오일탱크(10)내로 유입되고, 이와 같이 유입된 오일은 오일탱크(10)내에 구비된 배플(18)에 의해서 오일펌프(20)로 바로 유입되는 것이 방지되게 된다.On the other hand, the oil circulated through each engine of the injection molding machine (2) as described above is introduced into the oil tank (10) through a plurality of return pipes 26 provided on the upper portion of the oil tank (10), The oil is prevented from flowing directly into the oil pump 20 by the baffle 18 provided in the oil tank 10.

그러나, 이와 같이 이루어진 종래의 오일탱크(10)는 사출성형기(2)를 순환한 오일이 오일탱크(10)내로 유입되면, 이 오일에 의해서 오일탱크(10)내의 온도가 소정량 상승된 상태가 되는데, 특히 겨울철과 같은 때에 오일탱크(10) 내부와 외부의 온도차에 의해서 상기한 오일탱크(10)의 내벽에는 습기 및 수분이 발생하게 되고, 이 수분에 의해서 오일탱크(10)의 내벽에는 녹이 발생되며, 이 녹은 오일탱크(10)의 내벽으로부터 떨어져 오일내로 침전되고, 오일펌프(20)의 작동에 의해 여과기(24)내로 유입되어 여과기(24)의 성능을 저하시키게 됨과 아울러 오일이 원활한 흐름을 갖지 못하게 되므로써 유압기기인 사출성형기(2)의 성능은 저하되고, 기관의 마모로 인해서 사출성형기(2)의 수명이 단축되는 문제점이 있었다.However, when the oil circulated in the injection molding machine 2 is introduced into the oil tank 10, the conventional oil tank 10 made as described above has a state in which the temperature in the oil tank 10 is raised by a predetermined amount. In particular, moisture and moisture are generated on the inner wall of the oil tank 10 due to the temperature difference between the inside and the outside of the oil tank 10, such as in winter, and rust is formed on the inner wall of the oil tank 10 by the moisture. This melted water is precipitated into the oil away from the inner wall of the oil tank 10 and flows into the filter 24 by the operation of the oil pump 20 to degrade the performance of the filter 24 and the oil flows smoothly. By not having the performance of the injection molding machine (2), which is a hydraulic machine, the performance is reduced, there is a problem that the life of the injection molding machine (2) is shortened due to the wear of the engine.

이에, 본 발명은 전술한 바와 같은 종래기술의 문제점을 해소하기 위해 안출된 것으로, 오일탱크내의 수분 및 녹의 발생을 최소화하고, 발생된 녹이 여과기로유입되는 것을 방지하여 오일의 수명을 연장시킴과 아울러 유압기기의 성능을 향상시키도록 한 유압기기의 오일탱크를 제공하는데 그 목적이 있다.Accordingly, the present invention has been made to solve the problems of the prior art as described above, to minimize the occurrence of water and rust in the oil tank, and to prevent the rust generated is introduced into the filter to extend the life of the oil It is an object of the present invention to provide an oil tank of a hydraulic device to improve the performance of the hydraulic device.

도 1은 일반적인 유압기기의 일례로서 사출성형기를 도시한 도면1 is a view showing an injection molding machine as an example of a general hydraulic machine

도 2는 종래의 사출성형기에 구비된 오일탱크를 도시한 도면2 is a view showing an oil tank provided in a conventional injection molding machine

도 3은 본 발명에 따른 오일탱크를 도시한 도면3 is a view showing an oil tank according to the present invention.

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

2: 사출성형기 10: 오일탱크2: injection molding machine 10: oil tank

12: 하우징 14: 오일주입구12: housing 14: oil inlet

16: 캡 18: 배플(Baffle)16: Cap 18: Baffle

20: 오일펌프 22: 흡입관20: oil pump 22: suction line

24: 여과기 26: 리턴파이프24: filter 26: return pipe

30: 오일탱크 32: 하우징30: oil tank 32: housing

34: 오일주입구 34a: 캡34: oil inlet 34a: cap

36: 배플 38: 오일펌프36: baffle 38: oil pump

40: 흡입관 42: 여과기40: suction pipe 42: filter

44: 경사면 46: 요부44: slope 46: main part

48: 리턴파이프 50: 배출부재48: return pipe 50: discharge member

52: 투명창 54: 개폐밸브52: transparent window 54: on-off valve

60: 여과부재 70: 공기흡입구60: filter member 70: air intake

72: 여과부재 80: 팬72: filtering member 80: fan

82: 덕트82: duct

상술한 목적을 달성하기 위한 본 발명은 유압기기의 오일탱크에 있어서, 상기 오일탱크의 하우징 상부에 외기가 오일탱크내로 유입되도록 절곡.형성된 공기흡입구와; 상기 공기흡입구와 이격된 오일탱크의 하우징 반대편측에 오일탱크와 연통되도록 구비된 덕트와; 상기 덕트의 일단부에 구비된 팬과; 상기 오일탱크의 하우징내에 내장되어 하향경사지게 구비된 배플과; 상기 오일탱크의 하우징 바닥면은 배플과 동일하게 여과기측으로부터 하우징의 일단부측으로 하향경사져 형성된 경사면;으로 이루어진 것을 특징으로 한다.According to an aspect of the present invention, there is provided an oil tank of a hydraulic device, the air inlet being bent so that outside air flows into an oil tank at an upper portion of a housing of the oil tank; A duct provided on the opposite side of the housing of the oil tank spaced from the air inlet to communicate with the oil tank; A fan provided at one end of the duct; A baffle embedded in a housing of the oil tank and provided to be inclined downward; The bottom surface of the housing of the oil tank is inclined downwardly inclined downward from the filter side to the one end side of the housing in the same way as the baffle.

또한, 상기 공기흡입구내에 외기중의 이물질을 걸러내어 이물질이 오일탱크내로 유입되는 것을 방지하도록 된 여과부재가 구비된 것을 특징으로 한다.In addition, the air intake is characterized in that the filter member is configured to filter foreign matter in the outside air to prevent foreign matter from entering into the oil tank.

또한, 상기 오일탱크의 경사면과, 배플 사이에는 오일중의 이물질이 여과기로 유입되는 것을 방지하도록 된 여과부재가 구비된 것을 특징으로 한다.In addition, between the inclined surface and the baffle of the oil tank is characterized in that the filtration member is provided to prevent foreign matter in the oil from entering the filter.

또한, 상기 오일탱크의 경사면 일단부에 이물질이 유입되도록 함몰.형성된 요부와; 상기 요부의 하단부에 연통되게 구비된 배출부재와; 상기 배출부재의 일측에 배출부재내로 유입된 이물질을 육안으로 확인할 수 있도록 형성된 투명창과; 상기 배출부재의 하단부에 이물질을 배출할 수 있도록 된 개폐밸브;가 구성된 것을 특징으로 한다.In addition, the recessed portion so that the foreign material flows into one end of the inclined surface of the oil tank. A discharge member provided to communicate with the lower end of the recess; A transparent window formed on one side of the discharge member to visually check the foreign matter introduced into the discharge member; And an on / off valve configured to discharge foreign substances at the lower end of the discharge member.

이하 본 발명의 바람직한 실시예를 첨부도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

첨부도면 도 3에 도시된 바와 같이, 본 발명에 따른 오일탱크(30)는 그 상단부에 수분의 발생을 최소화하도록 된 팬(80)이 구비된다.As shown in Figure 3, the oil tank 30 according to the present invention is provided with a fan 80 to minimize the generation of water at the upper end.

상기한 팬(80)은 덕트(82)를 매개로 오일탱크(30)의 하우징(32)에 연통되게 구비되며, 이 덕트(82)는 하우징(32)의 상면에 연결되어 구비된다.The fan 80 is provided in communication with the housing 32 of the oil tank 30 via the duct 82, the duct 82 is provided is connected to the upper surface of the housing (32).

또한, 상기한 팬(80)과 이격된 반대편의 하우징(32) 상면에는 절곡된 공기흡입구(70)가 형성되며, 이 공기흡입구(70)내에는 오일탱크(30)내로 유입되는 외기중의 이물질을 걸러내도록 된 여과부재(72)가 내장되어 구비된다.In addition, a bent air inlet 70 is formed on the upper surface of the housing 32 opposite to the fan 80, and the foreign material in the outside air introduced into the oil tank 30 is formed in the air inlet 70. The filtering member 72 is formed to filter the filter.

한편, 상기한 여과부재(72)는 와이어 메시(Wire Mesh)로 이루어짐이 바람직하다.On the other hand, the filtering member 72 is preferably made of a wire mesh (Wire Mesh).

또한, 상기한 오일탱크(30)의 하우징(32) 바닥면은 이물질 즉, 녹이 여과기(42)측으로 유입되지 못하도록 경사진 경사면(44)으로 형성되되, 이 경사면(44)은 여과기(42)측으로부터 하우징(32)의 일단부측으로 하향경사져 형성된다.In addition, the bottom surface of the housing 32 of the oil tank 30 is formed of an inclined surface 44 inclined to prevent foreign substances, that is, rust from entering the filter 42 side, the inclined surface 44 is the filter 42 side Is inclined downward from one side of the housing 32 to the one end side of the housing 32.

상기한 경사면(44)의 최하단부 즉, 여과기(42)의 반대편측에는 녹이 유입되도록 함몰된 요부(46)가 형성되고, 이 요부(46)의 하단부 일측에는 오일탱크(30)내에 연통되어 녹을 오일탱크(30)의 하우징(32) 외부로 배출하도록 된 배출부재(50)가 소정의 각도로 기울어져 경사지게 구비된다.The lower end of the inclined surface 44, that is, the opposite side of the filter 42 is formed recessed portion 46 so that rust is introduced, the lower end of the recessed portion 46 is in communication with the oil tank 30 in one side of the oil tank 30 The discharge member 50, which is to be discharged to the outside of the housing 32 of the 30, is provided to be inclined at an inclined angle.

상기한 배출부재(50)는 그 일측에 배출부재(50)내로 유입된 녹의 양을 육안으로 확인할 수 있도록 된 투명창(52)이 설치되고, 상기한 배출부재(50)의 하단부에는 녹을 하우징(32) 외부로 배출할 수 있도록 된 개폐밸브(54)가 구비된다.The discharge member 50 is provided with a transparent window 52 which allows the naked eye to check the amount of rust introduced into the discharge member 50 at one side thereof, and at the lower end of the discharge member 50, a housing for rusting ( 32) The opening and closing valve 54 is provided to be discharged to the outside.

또한, 상기한 오일탱크(30)내에는 배플(36)이 구비되는 바, 이 배플(36)은 상기한 경사면(44)과 같이 여과기(42)측으로부터 요부(46)측으로 소정의 각도를 이루며 하향경사져 구비되고, 상기한 배플(36)과 경사면(44) 사이에는 오일중의 이물질이 여과기(42)로 유입되는 것을 방지하도록 된 여과부재(60)가 구비된다.In addition, the baffle 36 is provided in the oil tank 30, and the baffle 36 forms a predetermined angle from the filter 42 side to the recess 46 side like the inclined surface 44 described above. It is provided with a downward slope, and the filtration member 60 is provided between the baffle 36 and the inclined surface 44 to prevent foreign substances in the oil from flowing into the filter 42.

여기서, 미설명부호 "34","34a","38","40","48"은 각각 오일주입구와, 오일주입구에 결합된 캡, 오일펌프, 흡입관, 리턴파이프를 도시한 것이다.Here, reference numerals "34", "34a", "38", "40", "48" shows an oil inlet, a cap, an oil pump, a suction pipe, and a return pipe coupled to the oil inlet, respectively.

한편, 상기와 같이 이루어진 본 발명에 따른 유압기기의 오일탱크(30)는 오일주입구(34)의 캡(34a)을 개방시킨 상태에서 오일탱크(30)내에 오일을 충전시키고, 캡(34a)을 오일주입구(34)에 체결하여 결합시킨다.On the other hand, the oil tank 30 of the hydraulic device according to the present invention made as described above is filled with oil in the oil tank 30 in a state in which the cap 34a of the oil inlet 34 is opened, the cap 34a It is coupled to the oil inlet 34 by fastening.

이후, 유압기기인 사출성형기(2)를 작동시키면서 팬(80)을 작동시키면, 오일펌프(38)가 오일탱크(30)내에 내장된 여과기(42)와, 이에 연결된 흡입관(40)을 통해서 오일을 흡입하여 사출성형기(2)의 각 기관으로 공급하게 된다.Then, when operating the fan 80 while operating the injection molding machine (2), which is a hydraulic machine, the oil pump 38 is the oil through the filter 42 built in the oil tank 30, and the suction pipe 40 connected thereto The suction is supplied to each engine of the injection molding machine (2).

이때, 상기한 팬(80)에 의해서 오일탱크(30)의 공간부에는 외기가 유입되어 흐르게 되는 바, 오일탱크(30)내로 유입되는 외기는 공기흡입구(70)로 유입되어 여과부재(72)를 지나면서 외기중의 이물질이 걸러진 상태로서 오일탱크(30)내로 유입되게 된다.At this time, the outside air flows into the space portion of the oil tank 30 by the fan 80, and the outside air introduced into the oil tank 30 flows into the air inlet 70 and is filtered. As it passes through the foreign matter in the filtered state is introduced into the oil tank (30).

상기와 같이 오일탱크(30)내로 유입된 외기는 오일탱크(30)내를 유동하면서 외부와의 온도차로 인해 발생되는 오일탱크(30)내의 습기를 제거하여 수분의 발생을 최대한으로 억제하면서 팬(80)의 구동에 의해서 덕트(82)를 통해 오일탱크(30) 외부로 배출되게 된다.As described above, the outside air introduced into the oil tank 30 flows through the oil tank 30 and removes moisture in the oil tank 30 generated by the temperature difference with the outside to suppress the generation of moisture to the maximum while the fan ( By the driving of the 80 is discharged to the outside of the oil tank 30 through the duct (82).

또한, 상기한 오일탱크(30)내에 녹과 같은 이물질이 발생되어 오일중에 침전되게 되면, 이물질은 오일탱크(30)내에 하향경사지게 형성된 배플(36)과, 경사면(44)에 의해서 오일탱크(30)의 요부(46)측으로 유입되게 된다.In addition, when foreign matter such as rust is generated in the oil tank 30 and settles in the oil, the foreign matter is baffle 36 formed to be inclined downward in the oil tank 30 and the oil tank 30 by the inclined surface 44. ) Is introduced into the recess 46 side.

상기와 같이 유입된 이물질은 배출부재(50)내에 쌓이게 되고, 이를 작업자가 배출부재(50)의 투명창(52)을 통해서 육안으로 손쉽게 파악할 수 있게 되며, 배출부재(50)의 하단부에 구비된 개폐밸브(54)를 개방시켜 이물질을 외부로 배출시키게 된다.The foreign matter introduced as described above is accumulated in the discharge member 50, the operator can easily grasp with the naked eye through the transparent window 52 of the discharge member 50, provided in the lower end of the discharge member 50 By opening and closing the valve 54, foreign substances are discharged to the outside.

한편, 상기한 오일펌프(38)의 작동으로 인해서 오일이 여과기(42)로 유입될 시에는 여과기(42)의 전방측에 설치된 여과부재(60)에 의해서 오일중의 이물질이 걸러지게 된다.On the other hand, when the oil flows into the filter 42 due to the operation of the oil pump 38, foreign matter in the oil is filtered by the filtering member 60 installed on the front side of the filter 42.

따라서, 상기와 같이 습기 및 수분과 이물질의 발생을 최대한으로 억제시키고, 발생된 이물질은 여과기(42)전에 걸러내므로써 여과기(42)로는 이물질이 걸러진 순수한 오일만이 유입되어 오일의 흐름이 원활하게 이루어지게 되므로써 유압기기인 사출성형기(2)의 성능을 향상시킬 수 있게 된다.Therefore, as described above, the generation of moisture, moisture, and foreign substances is suppressed to the maximum, and the generated foreign matter is filtered out before the filter 42, so that only the pure oil filtered out of the foreign matter is introduced into the filter 42, thereby smoothly flowing the oil. By doing so, it is possible to improve the performance of the injection molding machine (2) that is a hydraulic device.

또한, 전술한 바와 같이 오일중에 녹과 같은 이물질의 혼합이 최대한으로 억제되어 순수한 오일로서 존재하게 되므로써 당업계에서 매 5,000시간 또는 1년마다오일을 교환하도록 규정하고 있는 오일의 수명 즉, 교환주기를 연장시킬 수 있게 되는 것이다.In addition, as described above, since the mixing of foreign substances such as rust in the oil is suppressed to the maximum, it exists as a pure oil, so that the life of the oil which is prescribed in the art to change the oil every 5,000 hours or every year, that is, the replacement cycle It can be extended.

한편, 상기와 같이 사출성형기(2)의 각 기관을 순환한 오일은 오일탱크(30) 상면에 구비된 리턴파이프(48)를 통해서 오일탱크(30)로 유입되게 된다.On the other hand, the oil circulated through each engine of the injection molding machine (2) as described above is introduced into the oil tank 30 through the return pipe 48 provided on the upper surface of the oil tank (30).

이상에서 살펴 본 바와 같이, 본 발명의 유압기기의 오일탱크는 최대한으로 수분과 이물질의 발생을 억제하고, 발생된 이물질은 걸러내어 오일탱크 외부로 배출함으로써 오일의 흐름이 원활하게 이루어져 오일의 수명을 연장시킬 수 있음과 아울러 유압기기의 성능을 향상시킬 수 있게 되는 것이다.As described above, the oil tank of the hydraulic device of the present invention to suppress the generation of water and foreign matter to the maximum, the generated foreign matter is filtered out and discharged to the outside of the oil tank to smooth the flow of oil to extend the life of the oil In addition to being able to extend and to improve the performance of the hydraulic equipment.

Claims (4)

유압기기의 오일탱크(30)에 있어서,In the oil tank 30 of the hydraulic equipment, 상기 오일탱크(30)의 하우징(32) 상부에 외기가 오일탱크(30)내로 유입되도록 절곡.형성된 공기흡입구(70)와;An air inlet 70 formed to be bent so that outside air flows into the oil tank 30 at an upper portion of the housing 32 of the oil tank 30; 상기 공기흡입구(70)와 이격된 오일탱크(30)의 하우징(32) 반대편측에 오일탱크(30)와 연통되도록 구비된 덕트(82)와;A duct 82 provided on the opposite side of the housing 32 of the oil tank 30 spaced apart from the air inlet 70 so as to communicate with the oil tank 30; 상기 덕트(82)의 일단부에 구비된 팬(80)과;A fan 80 provided at one end of the duct 82; 상기 오일탱크(30)의 하우징(32)내에 내장되어 하향경사지게 구비된 배플(36)과;A baffle 36 embedded in the housing 32 of the oil tank 30 and provided to be inclined downward; 상기 오일탱크(30)의 하우징(32) 바닥면은 배플(36)과 동일하게 여과기(42)측으로부터 하우징(32)의 일단부측으로 하향경사져 형성된 경사면(44);으로 이루어진 것을 특징으로 하는 유압기기의 오일탱크.The bottom surface of the housing 32 of the oil tank 30 is an inclined surface 44 inclined downward from the filter 42 side to one end of the housing 32 in the same manner as the baffle 36. The oil tank of the unit. 제 1 항에 있어서,The method of claim 1, 상기 공기흡입구(70)내에 외기중의 이물질을 걸러내어 이물질이 오일탱크(30)내로 유입되는 것을 방지하도록 된 여과부재(72)가 구비된 것을 특징으로 하는 유압기기의 오일탱크.The oil tank of the hydraulic device, characterized in that the air inlet (70) to filter foreign matter in the outside air to prevent foreign matter from entering into the oil tank (30) is provided. 제 1 항에 있어서,The method of claim 1, 상기 오일탱크(30)의 경사면(44)과, 배플(36) 사이에는 오일중의 이물질이 여과기(42)로 유입되는 것을 방지하도록 된 여과부재(60)가 구비된 것을 특징으로 하는 유압기기의 오일탱크.Oil between the inclined surface 44 and the baffle 36 of the oil tank 30 is provided with a filtration member 60 to prevent foreign matter in the oil from entering the filter 42 Tank. 제 1 항에 있어서,The method of claim 1, 상기 오일탱크(30)의 경사면(44) 일단부에 이물질이 유입되도록 함몰.형성된 요부(46)와;A recessed portion 46 recessed to allow foreign substances to flow into one end of the inclined surface 44 of the oil tank 30; 상기 요부(46)의 하단부에 연통되게 구비된 배출부재(50)와;A discharge member 50 provided to communicate with the lower end of the recess 46; 상기 배출부재(50)의 일측에 배출부재(50)내로 유입된 이물질을 육안으로 확인할 수 있도록 형성된 투명창(52)과;A transparent window 52 formed at one side of the discharge member 50 so as to visually check the foreign matter introduced into the discharge member 50; 상기 배출부재(50)의 하단부에 이물질을 배출할 수 있도록 된 개폐밸브(54);가 구성된 것을 특징으로 하는 유압기기의 오일탱크.Oil tank of the hydraulic device, characterized in that the; opening and closing valve (54) for discharging the foreign matter at the lower end of the discharge member (50).
KR10-2001-0016234A 2001-03-28 2001-03-28 Oil Tank Of Oil Pressure Machine KR100394373B1 (en)

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KR20150107209A (en) * 2014-03-13 2015-09-23 한화테크윈 주식회사 Oil recovery device for compressor

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JPH0195315A (en) * 1987-10-08 1989-04-13 Fujitsu Ltd Bus control system
JPH02102013A (en) * 1988-10-07 1990-04-13 Nissei Plastics Ind Co Water supply device of hydrated fire retardant hydraulic oil and injection molding machine equipping water supply device
KR0125304Y1 (en) * 1995-12-28 1999-04-15 한승준 Oil tank for a vehicle
JPH1177735A (en) * 1997-09-09 1999-03-23 Toshiba Mach Co Ltd Oil tank device for hydraulic device of injection molding machine
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