KR950009195Y1 - Supporting mould for feeding urethane foam of refrigcrator case - Google Patents
Supporting mould for feeding urethane foam of refrigcrator case Download PDFInfo
- Publication number
- KR950009195Y1 KR950009195Y1 KR92023314U KR920023314U KR950009195Y1 KR 950009195 Y1 KR950009195 Y1 KR 950009195Y1 KR 92023314 U KR92023314 U KR 92023314U KR 920023314 U KR920023314 U KR 920023314U KR 950009195 Y1 KR950009195 Y1 KR 950009195Y1
- Authority
- KR
- South Korea
- Prior art keywords
- case
- frame
- refrigcrator
- feeding
- urethane foam
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/062—Walls defining a cabinet
- F25D23/064—Walls defining a cabinet formed by moulding, e.g. moulding in situ
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
-
- 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
- B29L2031/762—Household appliances
- B29L2031/7622—Refrigerators
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
내용 없음.No content.
Description
제1도는 본 고안의 일부단면도.1 is a partial cross-sectional view of the present invention.
제2도는 제1도의 "A"부분 확대도.2 is an enlarged view of a portion “A” of FIG. 1.
제3도는 종래제품의 일부단면도.3 is a partial cross-sectional view of a conventional product.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 지지형틀 2 : 알미늄내틀1: Supporting frame 2: Aluminum frame
3 : 방열편 4 : 에폭시수지 외틀3: heat dissipation piece 4: epoxy resin outer frame
5 : 알미늄 피복층5: aluminum coating layer
본 고안은 냉장고의 보온을 위해 케이스의 외통과 내통사이에 보온제인 우레탄수지를 발포하여 주입하게 되는데, 이때 내통에 삽입하여서 발포작업시 내통을 지지해주게된 지지형틀의 개량고안에 관한 것으로서 방열편이 다수 형성된 알미늄내틀에 알미늄분발을 혼합시킨 에폭시수지 외통이 결합되고 외통의 표면에 알미늄피복층을 형성하여서 지지형틀을 구성하므로서 표면이 매끈하고 견고하여서 내충격성, 내마모성이 높기때문에 작업중 원형의 변형이 거의없고 열전도율이 양호하여 에폭시수지 발표작업에 적당한 온도 유지가 용이하게 된 것이다.The present invention is to inject the urethane resin, which is a thermal insulation agent between the outer cylinder and the inner cylinder of the case for the insulation of the refrigerator, in this case is inserted into the inner cylinder to support the inner cylinder during the foaming work as the improvement of the support frame is a large number Epoxy resin outer cylinder combined with aluminum powder is formed on the formed aluminum inner frame, and the aluminum coating layer is formed on the surface of the outer cylinder to form a supporting mold. The good temperature makes it easy to maintain a suitable temperature for the epoxy resin presentation work.
종래에는 틀체를 F. R. P나 고밀고 우레탄수지의 단일층으로 되어 있어서 발포작업으로 발생되는 고열에 의해 틀체가 쉽게 팽창되어서 원형이 변형되고 균열이 생기는 등 폐단이 있었다.Conventionally, the frame is made of F. R. P or a single layer of high-density urethane resin, so that the frame is easily inflated due to the high temperature generated by the foaming operation, so that the frame is deformed and cracks are formed.
이런결함 때문에 근래에는 열팽창율을 적게하기 위해서 규사를 혼합시킨 에폭시 형틀을 제작 하였으나, 이 경우에는 열전도율이 불량하여 작업에 적정한 온도로 가열하는 시간이 길고 또한 발포작업에 의해 적정온도이상으로 가열된 지지형틀이 쉽게 식어지지 않기 때문에 다음 작업이 지연되어 작업능률이 저하되는 결점이 있었다. 이는 적정한 온도로 식지 않은 지지형틀을 사용할 경우 에폭시수지의 발포가 왕성하여 정도이상으로 부풀어지기 때문에 냉장고케이스의 내통이 뒤틀리거나 찌그러지는 등 원형의 변형이 일어나기 때문이다.In order to reduce the thermal expansion ratio, in recent years, epoxy molds in which silica sand is mixed have been manufactured to reduce thermal expansion coefficient. However, in this case, the thermal conductivity is poor, so that the heating time to a temperature suitable for the operation is long, and the support is heated above the proper temperature by the foaming operation. Since the mold did not cool down easily, the next work was delayed, resulting in a decrease in work efficiency. This is because when the support mold that is not cooled to the proper temperature is used, the foam of the epoxy resin is vigorous and swells to the extent that the inner cylinder of the refrigerator case is warped or crushed, resulting in circular deformation.
본 고안에서는 이러한 종래의 문제점을 시정하여서 지지형틀의 원형을 항시 유지하고 열전도율이 양호하여 가열 및 냉각 시간을 단축하여 작업에 적당한 온도를 신속히 조절해 줄 수가 있어서 작업능률을 배가시킬 수있게 된 것인바, 이를 첨부된 도면에 의해 상세히 설명하면 다음과 같다.In the present invention, by correcting such a conventional problem, the prototype of the supporting mold is always maintained and the thermal conductivity is good, so that the heating and cooling time can be shortened and the temperature suitable for the work can be quickly adjusted, thereby increasing the work efficiency. When described in detail by the accompanying drawings as follows.
지지형틀(1)의 알미늄 내틀(2)에는 내측으로 다수의 방열편(3)이 형성되고 알미늄분발을 혼합시킨 에폭시수지외틀(4)의 표면에 알미늄 피복층(5)을 형성하여서된 구성이다.The aluminum inner frame 2 of the support mold 1 is formed by forming an aluminum coating layer 5 on the surface of the epoxy resin outer frame 4 in which a plurality of heat dissipation pieces 3 are formed inward and mixed with aluminum powder.
미설명부호 6은 냉장고케이스의 외통, 7은 내통, 8은 보온제 충진부이다.Reference numeral 6 denotes an outer cylinder of the refrigerator case, 7 an inner cylinder, and 8 a thermal insulation filler.
이와같이된 본 고안의 작용효과를 보면, 지지형틀(1)을 공지의 가열장치로 작업에 적망한 온도(약 60℃)로 가열시키게 되는데 이때 알미늄내틀(2)과 알미늄분말이 혼합된 에폭시수지외통(4) 및 알미늄 피복층(5)이 모두 열전도율이 양호하기 때문에 신속히 적정한 작업온도로 가열이 되며 가열된 지지형틀(1)에 냉장고케이스를 제1도와 같이 결합시킨후 외통(6)과 내통(7)사이의 보온제 충진부(8)에 우레탄수지를 발포하여 주입하게 된다.In view of the effect of the present invention, the supporting mold (1) is heated to a temperature (approximately 60 ° C.) suitable for work with a known heating device, wherein the aluminum inner frame (2) and the aluminum powder are mixed in an epoxy resin outer cylinder. Since both (4) and the aluminum coating layer (5) have a good thermal conductivity, they are quickly heated to an appropriate working temperature, and the refrigerator case is coupled to the heated support mold (1) as shown in FIG. 1, and then the outer cylinder (6) and the inner cylinder (7). Urethane resin is injected into the thermal insulation agent filling part 8).
이때 에폭시수지의 강한 발포력에 의해 내통(7)이 순간적으로 상당히 큰 외압을 받게 되는데 본 고안의 지지형틀(1)은 상기와 같이 내틀(2)과 외틀(4) 및 피복층(5)이 3중 구조로 견고하게 형성되어서 원형을 향상 유지시켜 주므로 내통(7) 이 뒤틀리거나 찌그러짐이 없으며 표면이 손상되지 않고 원형을 유지시켜주게 되며 보온제충진작업이 완료도니후 지지형틀(1)에서 냉장고케이스를 이탈시키게 된다.At this time, due to the strong foaming force of the epoxy resin, the inner cylinder (7) is instantaneously subjected to a large external pressure. The support frame (1) of the present invention has the inner frame (2) and the outer frame (4) and the coating layer (5) as described above. It is formed in a solid structure and maintains the round shape because the inner cylinder (7) is not twisted or crushed, and maintains the round shape without damaging the surface. Will break away.
그런데 에폭시수지 발포작업은 고온상태에서 이루어지기 때문에 작업후에 지지형틀(1)이 적정온도 이상으로 예열이 되므로 다음 작업을 하기 위해서는 적정온도로 신속히 식혀 주어야 하는데, 본 고안의 지지형틀(1)은 열전도율이 좋고 또한 내틀(2)에 방열편(3)이 다수 형성되어서 단시간내에 적당한 온도로 식어지기 때문에 다음작업의 대기 시간을 훨씬 단축할수가 있어서 작업능률을 배가 시킬 수 있게된 유용한 고안이다.However, since the epoxy resin foaming work is carried out at a high temperature, the supporting mold (1) is preheated to an appropriate temperature or higher after the work, so to cool down to a suitable temperature for the next work, the supporting mold (1) of the present invention has a thermal conductivity This is also a useful design that is able to double the efficiency of the work can be much shortened the waiting time of the next work because a large number of heat dissipation pieces (3) formed in the inner frame (2) is cooled to a suitable temperature in a short time.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92023314U KR950009195Y1 (en) | 1992-11-25 | 1992-11-25 | Supporting mould for feeding urethane foam of refrigcrator case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92023314U KR950009195Y1 (en) | 1992-11-25 | 1992-11-25 | Supporting mould for feeding urethane foam of refrigcrator case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR940012141U KR940012141U (en) | 1994-06-18 |
| KR950009195Y1 true KR950009195Y1 (en) | 1995-10-23 |
Family
ID=19344724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR92023314U KR950009195Y1 (en) | 1992-11-25 | 1992-11-25 | Supporting mould for feeding urethane foam of refrigcrator case |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR950009195Y1 (en) |
-
1992
- 1992-11-25 KR KR92023314U patent/KR950009195Y1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| KR940012141U (en) | 1994-06-18 |
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