CN102814883A - Manufacturing process for heat insulating layer of foaming mould - Google Patents
Manufacturing process for heat insulating layer of foaming mould Download PDFInfo
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- CN102814883A CN102814883A CN2012103484163A CN201210348416A CN102814883A CN 102814883 A CN102814883 A CN 102814883A CN 2012103484163 A CN2012103484163 A CN 2012103484163A CN 201210348416 A CN201210348416 A CN 201210348416A CN 102814883 A CN102814883 A CN 102814883A
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- groove
- steel wire
- heat insulating
- foaming mould
- boss
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a manufacturing process for a heat insulating layer of a foaming mould. The manufacturing process is characterized in that a groove is milled on the inner side surface of a template of the foaming mould, and an included angle between the inner side wall and the bottom of the groove is an acute angle; a plurality of bosses are uniformly distributed at the bottom of the groove when the groove is milled, and threaded holes are drilled on part of the bosses for fixing; a steel wire gauge framework is placed in the groove, is supported by the bosses and is fixed on the bosses by bolts which are in threaded match with the bosses; and a heat insulating resin material leveled with the groove is poured in the groove. The steel wire gauge framework is supported and fixed by the bosses arranged in the groove, a certain gap exists between the steel wire gauge framework and from the bottom of the groove, and the heat insulating resin material is poured into the groove to form the heat insulating resin layer which is internally provided with the steel wire gauge framework; and the heat insulating resin layer is fixed by the steel wire gauge framework and is limited by a swallow-tail structure formed by the side walls and the bottom of the groove, so that the stripping time of the heat insulating resin layer is delayed, and the maintenance frequency of the heating insulating resin layer is reduced.
Description
Technical field
The present invention relates to a kind of foaming mould thermal insulation layer manufacturing process, particularly a kind of foaming mould thermal insulation layer manufacturing process of heat insulating coat difficult drop-off.
Background technology
Polystyrene foamed plastics (EPS) and expandable polypropylene foamed plastics (EPP) are used widely at automotive field, adopting foaming mould to carry out in the foaming process of EPS, EPP material, adopt Steam Heating; Vaporium heats comprehensively, causes unnecessary energy loss for avoiding outwards hot transmission of steam, is coated with the insulation resin layer in the template inboard; This coating can come off after for a long time gradually, influences effect of heat insulation; Service life is short, needs more frequent safeguarding.
Summary of the invention
The technical problem that the present invention will solve provides a kind of foaming mould thermal insulation layer manufacturing process of heat insulating coat difficult drop-off.
For solving the problems of the technologies described above; Technical scheme of the present invention is: a kind of foaming mould thermal insulation layer manufacturing process; Its innovative point is: at first at the inboard facing cut groove of the template of foaming mould, the degree of depth of groove is 8-12mm, and the angle of the madial wall of groove and bottom land is an acute angle; Bottom land at groove when milling groove stays some equally distributed boss, and the height of boss is the 45-55% of depth of groove, and on the boss that is used for fixing of part the auger shell pit; Steel wire mesh frame is set, steel wire mesh frame is placed in the groove and by boss support, and steel wire mesh frame is fixed on the boss through bolt with the boss threaded engagement; The insulation resin material that perfusion flushes with groove in groove, thus the insulation resin layer that coats steel wire mesh frame formed.
Further, the scope of said acute angle is at 60-75 °.
Further, said steel wire mesh frame is formed by the braided steel wire of crisscross setting, and its mesh size is 20-25mm.
The invention has the advantages that: utilize the boss supporting and the fixing steel wire mesh frame that are provided with in the groove, form the insulation resin layer of built-in steel wire mesh frame behind the perfusion insulation resin material apart from groove bottom land certain interval; Utilize steel wire mesh frame that the insulation resin layer is fixed; And the dovetail structure of recess sidewall and bottom land formation is spacing to the insulation resin layer; Peeling off the time of prolong insulation resin bed, be issued to 8-10 ten thousand moulds time at the environment of 150 degree its service life does not have and peels off, and reduces frequency of maintenance.
Description of drawings
Fig. 1 has the foaming mould template vertical view of heat insulating coat for the present invention.
Fig. 2 installs the steel wire mesh frame vertical view for the foaming mould template that the present invention has heat insulating coat.
Fig. 3 has the foaming mould template perfusion insulation resin layer vertical view of heat insulating coat for the present invention.
Fig. 4 has the foaming mould template cutaway view of heat insulating coat for the present invention.
The specific embodiment
The template 1 of foaming mould is positioned at the die outside of mould, its with the die outer wall between in the space that forms needs feeding steam heat.The thermal insulation layer that need be incubated promptly is arranged on the medial surface of template 1.The concrete processing technology of thermal insulation layer is following:
As shown in Figure 1, at first at the template 1 inboard facing cut groove 2 of foaming mould, the degree of depth of groove 2 is 8-12mm, specifically can select the suitable degree of depth according to the specification of foaming mould.When milling groove 2, avoid being used in the template 1 install the zone that connects other assemblies.The madial wall of groove 2 and the angle of bottom land are acute angle, and be specifically suitable at 60-75 °.
Bottom land at groove 2 when milling groove 2 stays some equally distributed boss 3, and the height of boss 3 is the 45-55% of groove 2 degree of depth, and boss 3 is cylindrical, and its diameter range is at 20-25mm, and distribution density is 10-15/m
2,Auger shell pit on part boss 2 is used for subsequent fixed steel wire mesh frame 5 in addition.
As shown in Figure 2; Steel wire mesh frame 5 is set, and steel wire mesh frame is formed by the braided steel wire of crisscross setting, and gauge of wire is 1-1.2mm; The mesh size of its formation is 20-25mm; Place in the groove 2 steel wire mesh frame 5 and by boss 3 supportings, the bolt that on the boss of opening screwed hole 3, is threaded utilizes the T shape end of bolt that steel wire mesh frame 5 is fixed on the boss 3.
As shown in Figure 3, perfusion insulation resin material will carry out leveling with template 1 earlier before the perfusion resin and handle, and then be put on the horizontal table template 1 with level meter that its placement is smooth.Calculate resin demand, computational methods are by template 1 profile volume calculated, and formula: the wide * resin of the long * template of resin demand=template pours into thickness * resin density; According to the resin demand that calculates; Resin adopts the polyurethane casting glue to make, and polyurethane casting glue on the market all has an A material and a B material, with the A material of polyurethane casting glue: B expect by 1:1.7 (weight ratio) weigh up A expect institute's expense separately; With weigh up B the material pour in the same container; Stir with stirring tool, the speed when noting stirring will can not stir foaming slowly and at the uniform velocity.Slowly pour into the resin that stirs in the groove 2 uniformly; Perfusion finishes the back with plastic sheeting covering curing; Prevent that dust, foreign material from falling into; General normal temperature curing down needs 48 hours, avoids and can't solidify like too high can the operation at the air conditioning room of 25 degree of temperature, after resin solidifies fully the resin that has more on the template 1 in push rod, spray gun, support, machine mounting portion is removed.Finally make the foaming mould template 1 that has steel wire mesh frame 5 in the heat insulation figure layer 4 as shown in Figure 4.
Claims (3)
1. foaming mould thermal insulation layer manufacturing process is characterized in that: at first at the inboard facing cut groove of the template of foaming mould, the degree of depth of groove is 8-12mm, and the angle of the madial wall of groove and bottom land is an acute angle; Bottom land at groove when milling groove stays some equally distributed boss, and the height of boss is the 45-55% of depth of groove, and on the boss that is used for fixing of part the auger shell pit; Steel wire mesh frame is set, steel wire mesh frame is placed in the groove and by boss support, and steel wire mesh frame is fixed on the boss through bolt with the boss threaded engagement; The insulation resin material that perfusion flushes with groove in groove, thus the insulation resin layer that coats steel wire mesh frame formed.
2. foaming mould thermal insulation layer manufacturing process according to claim 1, it is characterized in that: the scope of said acute angle is at 60-75 °.
3. foaming mould thermal insulation layer manufacturing process according to claim 1, it is characterized in that: said steel wire mesh frame is formed by the braided steel wire of crisscross setting, and its mesh size is 20-25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210348416 CN102814883B (en) | 2012-09-19 | 2012-09-19 | Manufacturing process for heat insulating layer of foaming mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210348416 CN102814883B (en) | 2012-09-19 | 2012-09-19 | Manufacturing process for heat insulating layer of foaming mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102814883A true CN102814883A (en) | 2012-12-12 |
| CN102814883B CN102814883B (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201210348416 Active CN102814883B (en) | 2012-09-19 | 2012-09-19 | Manufacturing process for heat insulating layer of foaming mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881922A (en) * | 2014-12-31 | 2016-08-24 | 航天神舟飞行器有限公司 | Novel high-impacting-resistance type unmanned aerial vehicle airframe structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999121A (en) * | 2006-12-31 | 2007-07-18 | 冯建军 | Foaming mould having heat insulating coating and its production method |
| CN101474873A (en) * | 2009-01-23 | 2009-07-08 | 李志雄 | Technique and equipment for processing reinforced thermoplastic plastic pipe |
| EP2174771A1 (en) * | 2007-06-27 | 2010-04-14 | Asahi Fiber Glass Company, Limited | Foam board of polyolefin resin, and method for production thereof |
| CN101722642A (en) * | 2009-12-21 | 2010-06-09 | 靳培军 | Method for manufacturing composite foamed plastic template |
-
2012
- 2012-09-19 CN CN 201210348416 patent/CN102814883B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999121A (en) * | 2006-12-31 | 2007-07-18 | 冯建军 | Foaming mould having heat insulating coating and its production method |
| EP2174771A1 (en) * | 2007-06-27 | 2010-04-14 | Asahi Fiber Glass Company, Limited | Foam board of polyolefin resin, and method for production thereof |
| CN101474873A (en) * | 2009-01-23 | 2009-07-08 | 李志雄 | Technique and equipment for processing reinforced thermoplastic plastic pipe |
| CN101722642A (en) * | 2009-12-21 | 2010-06-09 | 靳培军 | Method for manufacturing composite foamed plastic template |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881922A (en) * | 2014-12-31 | 2016-08-24 | 航天神舟飞行器有限公司 | Novel high-impacting-resistance type unmanned aerial vehicle airframe structure |
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| CN102814883B (en) | 2013-06-05 |
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Address after: 226500 Nantong City, Rugao Province, south of the city streets of the village of Xu Xu, the group of 1 Patentee after: NANTONG CHAODA MACHINERY AND TECHNOLOGY CO., LTD. Address before: 226500 1 groups of Shen Xu village, Taoyuan Town, Nantong City, Jiangsu, Rugao Patentee before: Nantong Chaoda Machine Science & Technology Co., Ltd. |