CN203739090U - Seamless insulator casting mold - Google Patents
Seamless insulator casting mold Download PDFInfo
- Publication number
- CN203739090U CN203739090U CN201420100388.8U CN201420100388U CN203739090U CN 203739090 U CN203739090 U CN 203739090U CN 201420100388 U CN201420100388 U CN 201420100388U CN 203739090 U CN203739090 U CN 203739090U
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- China
- Prior art keywords
- mold
- insulator
- internal mold
- die cavity
- seamless
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a seamless insulator casting mold which comprises an outer mold and an inner mold, wherein an insulator casting mold cavity is formed inside the outer mold; the inner mold is tightly adhered to the cavity wall of the insulator casting mold cavity so as to form n inner mold cavity; a casting hole and an exhaust hole which are communicated with the outside are formed in the outer mold; the casting hole and the exhaust hole are communicated with the inner mold cavity. By adoption of the mold, an insulator produced by using the mold is free of mold combining seam, and thus the defect that a conventional insulator has seams is avoided.
Description
Technical field
The utility model relates to a kind of casting mold without matched moulds seam epoxide resin material insulator.
Background technology
Insulator Main Function be support and fixing bus and energized conductor and make between energized conductor or conductor and the earth between there is enough insulation distances, in transmission and distribution network and equipment, have a wide range of applications.Epoxy resin insulator is superior because of its antifouling property, anti-ultraviolet aging performance and electrical insulation properties thereof, has broad application prospects.
At present; the epoxy resin insulator that domestic manufacturer produces adopts epoxide resin vacuum pouring technology more; also have automatic pressure injected gel technique (APG), because mould is to opening structure, the common meeting of insulator surface that adopts these explained hereafter to go out is in formation gap, matched moulds position.If these product mold machining accuracies are not high, can cause matched moulds gap bigger than normal, in process of production, due to improper use, also easily cause matched moulds gap dislocation or bigger than normal simultaneously.Because the material compactness at matched moulds seam place is comparatively loose, be easy to corrosion, for the product that has matched moulds gap, especially in situation, use out of doors, very easily cause along matched moulds seam surface contamination, material is subject to ultraviolet ray ageing, hydrophobicity is poor, the mechanical performance at this place is low, and electric property is also unstable.
Summary of the invention
The purpose of this utility model is to provide a kind of simple insulator pouring mould, makes the insulator of producing there is no matched moulds gap, thereby avoids the defect of traditional seamed insulator.
The technical scheme that realizes above-mentioned purpose is:
A kind of seamless insulator pouring mould, comprises external mold and internal mold, wherein:
Described external mold inside is provided with insulator and waters injection cavities;
Described internal mold is close to described insulator and waters the chamber wall setting of injection cavities, forms internal mold die cavity;
On described external mold, be also provided with and be communicated with outside sprue gate and exhaust outlet, this sprue gate and exhaust outlet communicate with described internal mold die cavity.
In above-mentioned seamless insulator pouring mould, described internal mold one-shot forming, and made by soft high-temperature-resistant material.
In above-mentioned seamless insulator pouring mould, described internal mold is made up of silicon rubber.
In above-mentioned seamless insulator pouring mould, described internal mold is made up of high temperature plastics.
In above-mentioned seamless insulator pouring mould, described external mold is for splitting around structure, and is provided with upper and lower end cap.
In above-mentioned seamless insulator pouring mould, describedly outer be molded as multi-point mould die cavity, each die cavity all has the internal mold matching, and the sprue gate and the exhaust outlet that communicate with internal mold die cavity.
The beneficial effects of the utility model are: the utility model is by the resulting structure of inside and outside mould, make the insulator of producing there is no matched moulds gap, its mechanical performance, electric property, service life, surface quality etc. are all better than the insulator of same material routine with matched moulds gap.Meanwhile, external mold can also be made multi-point mould mold cavity configuration, thereby increases cast efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of seamless insulator pouring mould of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to Fig. 1, seamless insulator pouring mould of the present utility model, comprises external mold 3 and internal mold 4, wherein:
External mold 3 is and splits around structure, and is provided with upper and lower end cap, and its inside is provided with insulator and waters injection cavities;
Internal mold 4 is manufactured by one-shaping technique by the exotic material of one deck softness, is close to insulator and waters the chamber wall setting of injection cavities, forms internal mold die cavity 5, thus can make insulator complexity profile and without matched moulds gap, and because soft and be convenient to the demoulding; In the present embodiment, the material of internal mold 4 is silicon rubber, high temperature plastics etc.
On external mold 3, be provided with and be communicated with outside sprue gate 2 and exhaust outlet 1, this sprue gate 2 and exhaust outlet 1 communicate with internal mold die cavity 5.Due to inside and outside mold materials difference, should consider the thermal coefficient of expansion of inside and outside mold materials, internal mold 4 is packed into the die cavity of external mold 3, when cast, lock external mold 3, external mold 3 plays the effect of support internal mould 4.
Because epoxy resin belongs to heat cured insulation material, before solidifying, under certain temperature conditions, a kind ofly to have quality and without the mobility liquid of solid shape, in order to obtain desirable solidification shape, no matter adopt vacuum pouring technique, or pressure gel (APG) technique, all need to bear certain intensity, knockout course needs again die cavity to open, conveniently stripped.
First the insulator that internal mold 4 is close to external mold 3 waters injection cavities and fixes, and locks external mold 3.According to poured with epoxy resin technique, epoxy resin is injected to internal mold die cavity 5 by sprue gate 2, in die cavity, original gas is discharged by exhaust outlet 1, and under specific process conditions, material is curing molding in internal mold die cavity 5.When the demoulding, first open external mold 3, then slough internal mold 4 by special demoulding platform, internal mold 4 can be repeatedly used.
Further, external mold 3 can also be made multi-point mould die cavity, and each die cavity all has the internal mold 4 matching, and the sprue gate 2 and the exhaust outlet 1 that communicate with each internal mold die cavity 5, thereby effectively improves the efficiency of cast.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that not departing from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (6)
1. a seamless insulator pouring mould, is characterized in that, comprises external mold and internal mold, wherein:
Described external mold inside is provided with insulator and waters injection cavities;
Described internal mold is close to described insulator and waters the chamber wall setting of injection cavities, forms internal mold die cavity;
On described external mold, be also provided with and be communicated with outside sprue gate and exhaust outlet, this sprue gate and exhaust outlet communicate with described internal mold die cavity.
2. seamless insulator pouring mould according to claim 1, is characterized in that, described internal mold one-shot forming, and made by soft high-temperature-resistant material.
3. seamless insulator pouring mould according to claim 2, is characterized in that, described internal mold is made up of silicon rubber.
4. seamless insulator pouring mould according to claim 2, is characterized in that, described internal mold is made up of high temperature plastics.
5. seamless insulator pouring mould according to claim 1, is characterized in that, described external mold is for splitting around structure, and is provided with upper and lower end cap.
6. seamless insulator pouring mould according to claim 1, is characterized in that, describedly outer is molded as multi-point mould die cavity, and each die cavity all has the internal mold matching, and the sprue gate and the exhaust outlet that communicate with internal mold die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420100388.8U CN203739090U (en) | 2014-03-06 | 2014-03-06 | Seamless insulator casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420100388.8U CN203739090U (en) | 2014-03-06 | 2014-03-06 | Seamless insulator casting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203739090U true CN203739090U (en) | 2014-07-30 |
Family
ID=51338950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420100388.8U Expired - Fee Related CN203739090U (en) | 2014-03-06 | 2014-03-06 | Seamless insulator casting mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203739090U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835278A (en) * | 2016-05-24 | 2016-08-10 | 麦克奥迪（厦门）电气股份有限公司 | Inner skirt edge-carried epoxy resin insulation part forming mold core and special method |
| CN110653977A (en) * | 2018-12-19 | 2020-01-07 | 河南平高电气股份有限公司 | Column type insulator casting mold |
| CN110739149A (en) * | 2019-10-28 | 2020-01-31 | 江苏靖江互感器股份有限公司 | Epoxy resin pouring tool and pouring process for framework coils |
-
2014
- 2014-03-06 CN CN201420100388.8U patent/CN203739090U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835278A (en) * | 2016-05-24 | 2016-08-10 | 麦克奥迪（厦门）电气股份有限公司 | Inner skirt edge-carried epoxy resin insulation part forming mold core and special method |
| CN110653977A (en) * | 2018-12-19 | 2020-01-07 | 河南平高电气股份有限公司 | Column type insulator casting mold |
| CN110653977B (en) * | 2018-12-19 | 2021-10-12 | 河南平高电气股份有限公司 | Column type insulator casting mold |
| CN110739149A (en) * | 2019-10-28 | 2020-01-31 | 江苏靖江互感器股份有限公司 | Epoxy resin pouring tool and pouring process for framework coils |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |