CN2488163Y - Integrated adhesive filling mould for vacuum switch tube - Google Patents
Integrated adhesive filling mould for vacuum switch tube Download PDFInfo
- Publication number
- CN2488163Y CN2488163Y CN 01206950 CN01206950U CN2488163Y CN 2488163 Y CN2488163 Y CN 2488163Y CN 01206950 CN01206950 CN 01206950 CN 01206950 U CN01206950 U CN 01206950U CN 2488163 Y CN2488163 Y CN 2488163Y
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- China
- Prior art keywords
- vacuum switch
- switch tube
- pattern
- adhesive filling
- mould
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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 an integrated adhesive filling mould for vacuum switch tube, and relates to the moulds which enclose the vacuum switch by a silastic cover. The utility model is used to solve the problems of poor insulating property of the prior adhesive silastic cover. The adhesive filling mould comprises a shaping mould (1), an adhesive filling opening (11) and an air outlet opening (12) which are both communicated with the lumen of shaping mould, wherein a vacuum switch tube cavity (2) and a shaping cavity (3) of the peripheral insulating cover, which have the same axis, are arranged in the shaping mould; the upper end and the lower end of the shaping mould are respectively connected with an upper mould (6) and a lower mould (7) which seal the upper opening and the lower opening of the lumen of the shaping mould; the upper mould and the lower mould are provided with a locating hole (9) or/and a locating bolt (10) of the vacuum switch tube. The utility model applies to a plurality of kinds of vacuum switch tubes in the whole die casting enclosure of outer insulating layer silastic.
Description
Technical field
The utility model relates to the mfg. moulding die of power transmission and distribution device, particularly coats the mould of silicone rubber sleeve outside vacuum switch tube.
Background technology
Vacuum switch tube be with vacuum as the insulation and arc-extinguishing medium, utilize the principle of current over-zero moment blow-out to realize a kind of high pressure vacuum electric elements that electric current cut-offs.
Vacuum switch tube needs good external insulation performance when being used for the comparatively special occasion of environment such as higher area of height above sea level and open air and using.For improving the external insulation performance of vacuum switch tube, the structure that generally adopts has two kinds at present, and the one, vacuum switch tube is put into container, and in container, fill dielectric, as SF
6Gas, silicone grease, transformer wet goods; The 2nd, with vacuum switch tube outsourcing silicone rubber sleeve to increase the external insulation level that creepage distance improves vacuum switch tube.Wherein the structure of vacuum switch tube outsourcing silicone rubber sleeve is that organic silicon rubber is made silicone rubber sleeve, silicone rubber sleeve is bonded in outside the vacuum switch tube with binding agent then again.The structure of the bonding silicone rubber sleeve of this kind suit, it is comparatively convenient to make, but there is major defect: owing between silicone rubber sleeve and vacuum switch tube, tack coat is arranged, there is certain ovality in the ceramic package of adding vacuum switch tube, deviation in roundness and manufacture deviation, therefore when bonding, the air between the ceramic package of silicone rubber sleeve and vacuum switch tube can not be got rid of fully totally, thereby cause the air gap that between the ceramic package surface of vacuum switch tube and silicone rubber sleeve, forms sealing, and the permittivity ratio silicon rubber of the air in the gap and pottery is low, this just makes field intensity in the gap than the height in the dielectric, thereby under the operate as normal field intensity of insulation, the voltage on the gap may surpass its breakdown value and cause gap breakdown.Air is breakdown in the gap, and its electric charge will be upset the outer internal field that will execute, and internal field is distorted, thereby the ceramic package that may cause insulating be broken down by high-voltage, and makes vacuum switch tube leak gas even bursts, and causes serious quality accident.Electric pressure is high more, and the probability of its puncture is big more.For this reason, the utility model people adopts the structure of vacuum switch tube integral coating silicon rubber, thoroughly eliminates the above-mentioned hidden danger of bonding silicone rubber sleeve.
The utility model content
The purpose of this utility model be to provide a kind of outside vacuum switch tube the whole adhesive filling mould of the vacuum switch tube of integral coating silicon rubber.
The utility model adopts the composite type compression mod that matches with vacuum switch tube to realize its purpose.
The whole adhesive filling mould (referring to accompanying drawing) of vacuum switch tube of the present utility model, encapsulating mouth (11) that comprise pattern (1), communicates and exhaust outlet (12) with the inner chamber of pattern, the die cavity (3) that the insulating case of the vacuum switch tube chamber (2) of concentricity line and periphery thereof is arranged in the above-mentioned pattern, be connected with enclosed type mold cavity patrix suitable for reading (6) in the upper end of pattern, the lower end is connected with the counterdie (7) of enclosed type mold cavity end opening, have on the upper die and lower die can with the location hole (9) of vacuum switch tube end suit or/and the dog screw (10) of the vacuum switch tube that can be connected.
Above-mentioned pattern (1), patrix (6), counterdie (7) can be two lobes along the central axis subdivision all, and open along the both sides of subdivision line to be shaped in the periphery of pattern and unload die cavity (14), the conus portion (4) that the oriented respectively termination of the two ends periphery of said pattern dwindles, conus portion are fitted with the tapered sleeve (13) of combination pattern two lobes.
The inner chamber end of above-mentioned pattern (1) can have can with pattern inwall and vacuum switch tube (15) surface mutually close sealing ring of joining (8).
Above-mentioned encapsulating mouth (11) and exhaust outlet (12) preferably are positioned at the subdivision portion of pattern.
Above-mentioned encapsulating mouth (11) and exhaust outlet (12) can be along connecing of pattern centerline direction chews the formula structure
Above-mentioned encapsulating mouth (11) and exhaust outlet (12) also can be along connecing of pattern center line incline direction chews the formula structure.
Use the utility model, the vacuum switch tube assembling is fixed in this adhesive filling mould, adopt pressure casting method, insulating material such as organic silicon rubber are gone into the die cavity of mould from encapsulating mouth pressure injection, after the curing, the vacuum switch tube product of integral coating insulating barrier is taken out in die sinking.
The utility model has following advantage and effect compared with prior art.
One, structure of the present utility model, can be with vacuum switch tube as core, carry out the integral type moulding, insulating case and vacuum switch tube are formed overlap distribution structure closely, particularly the structure of this adhesive filling mould can adopt the die casting mode to carry out the encapsulating moulding, the good fluidity of glue during encapsulating, make the internal organizational structure even compact of its insulating case and can not produce bubble, can not produce bubble at vacuum switch tube and insulating case close proximity yet, and, having contraction during the insulating material moulding also makes insulating case after the moulding tightly wrap to be attached to outside the vacuum switch tube, therefore make and adopt the vacuum switch tube of this adhesive filling mould coated insulation cover to eliminate the hidden danger that is broken down by high-voltage, have the good advantage of external insulation.
Two, location hole on the upper die and lower die of the present utility model and dog screw structure, can in the inner chamber that makes this adhesive filling mould of vacuum switch tube, locate accurately, so the precision height of the insulating case that outside vacuum switch tube, coats, thereby has the advantage that improves the insulating case insulation property.
Three, adhesive filling mould of the present utility model adopts fabricated structure, has convenient combination and dismounting, the advantage that can be repeatedly used.
The utility model is applicable to that the vacuum switch tube to various appearance carries out the die casting formula integral coating of external insulation layer silicon rubber.The cavity shape of the utility model adhesive filling mould is according to the configuration design of vacuum switch tube.
Below, the utility model is further described to use embodiment and accompanying drawing thereof again.
Description of drawings
Fig. 1 is the structural representation of the whole adhesive filling mould of a kind of vacuum switch tube of the present utility model.Vacuum switch tube is shown in double dot dash line among the figure.
Fig. 2 is the A-A profile of Fig. 1.
Fig. 3 is the structural representation of the whole adhesive filling mould of another kind of vacuum switch tube of the present utility model.Vacuum switch tube is shown in double dot dash line among the figure.
Fig. 4 is the structural representation of the whole adhesive filling mould of another vacuum switch tube of the present utility model.
Embodiment
Embodiment 1
The whole adhesive filling mould of a kind of vacuum switch tube of the present utility model is shown in accompanying drawing 1,2.The pattern of being made by alloy material, upper die and lower die, tapered sleeve etc. constitute.This adhesive filling mould is used for carrying out the die casting coating of insulating barrier silicon rubber outside the ripply straight-cylindrical vacuum switch tube of periphery.
Above-mentioned pattern 1 is cavity shape structure, and the pattern central part is useful on the vacuum switch tube chamber 2 that vacuum switch tube is installed, and vacuum switch tube chamber and pattern inner chamber are concentricity line structure.Between the periphery of vacuum switch tube chamber and pattern inwall for forming the die cavity 3 of insulating case.The external surface shape of die cavity inwall and vacuum switch tube adapts, be shaped on a plurality of cannelures that the wave groove with the vacuum switch tube outer surface matches, the bottom surface of cannelure is the surface of slick and sly shape, makes the profile of the insulating barrier of making also become the straight simple shape of bellows that slick and sly surface is arranged.The profile of pattern 1, middle part are cylindrical, and two ends are respectively the conus portion 4 that dwindles to the termination.
Screw 5 in the upper end of pattern 1 with a plurality of even layouts is connected with enclosed type mold cavity patrix suitable for reading 6, also is connected with the counterdie 7 of enclosed type mold cavity end opening with the screw 5 of a plurality of even layouts in the lower end of pattern.Upper die and lower die all are disk construction, and upper die and lower die can adopt common fixing structure to be interlocked with cooperating of pattern end.Inner chamber bottom at pattern is the inboard of counterdie, is shaped on the seal groove of annular, and the sealing ring 8 that can join closely with the vacuum switch tube end face is installed in the seal groove, leaks in order to prevent encapsulating.At the center of patrix location hole 9 is arranged.Location hole can match with the vacuum switch tube moved end, constitutes the upper end location structure of vacuum switch tube.The dog screw 10 that connects counterdie from the below is arranged on the counterdie, and dog screw can be connected mutually with the lower end of vacuum switch tube after connecting counterdie, constitutes the lower end location structure of vacuum switch tube.
With respect to the both sides of pattern center line encapsulating mouth 11 and the exhaust outlet 12 that communicates with die cavity 3 in the pattern arranged respectively at counterdie and patrix, make encapsulating mouth and exhaust outlet at the die cavity two ends and at a distance of farthest.Encapsulating mouth and exhaust outlet employing are provided with along the pattern centerline direction uses connecing of being threaded to chew the formula structure.
After above-mentioned pattern 1, patrix 6, counterdie 7 can constitute integral body with set screws, adopting wire cutting method, is two lobe moulds of the combination die of symmetry along central axis with pattern, upper die and lower die subdivision, need not dismantle during use, directly assembles with two lobe moulds.This adhesive filling mould adopts two tapered sleeves 13 that match with the conus portion 4 at pattern 1 two ends to assemble.Therefore should make the small end internal diameter of the external diameter of upper die and lower die, so that can two lobe modules are synthetic whole less than tapered sleeve.Be to make up the back convenient disassembly, respectively open in the both sides of the periphery of the pattern faying face behind the subdivision and be shaped on one and unload die cavity 14.
Use this adhesive filling mould, be two lobes with sealing ring 8 cuttings in advance, with common bonded adhesives two flap seal circles are cemented in respectively in the seal groove of two lobe counterdies, then vacuum switch tube 15 is folded up in the two lobe moulds of combination die, and the upper end that makes vacuum switch tube places location hole 9 and the fixing upper end of vacuum switch tube, is fixed in the conus portion 4 at pattern two ends respectively and is combined into this whole adhesive filling mould with two tapered sleeves 13.With dog screw 10 lower end of vacuum switch tube 15 and counterdie 7 are connected again and the fixing lower end of vacuum switch tube.If encapsulating mouth 11 and exhaust outlet 12 designs in the subdivision portion of pattern, then should be installed exhaust outlet and encapsulating mouth in two-half die combination back.Adopt common die casting equipment and technology then, to be furnished with the organic silicon rubber hydraulic pressure of curing agent from encapsulating mouth 11 and go into mould, when observing encapsulatings from exhaust outlet 12 and fill with, then each one just fills with organic silicon rubber liquid in the die cavity 3, after treating that organic silicon rubber solidifies, dismounting dog screw 10 sheds tapered sleeve 13 and encapsulating mouth, exhaust outlet, and rely on the die cavity 14 that unloads of pattern periphery to open this adhesive filling mould, the vacuum switch tube of organic silicon rubber insulating barrier that taken out integral coating.
Embodiment 2
The whole adhesive filling mould of a kind of vacuum switch tube of the present utility model, as shown in Figure 3.This adhesive filling mould is used for carrying out the die casting coating of insulating barrier silicon rubber outside profile is the straight-cylindrical vacuum switch tube of bellows.The basic structure of this adhesive filling mould is identical with embodiment 1, and the characteristics of present embodiment are as follows:
Encapsulating mouth 11 and exhaust outlet 12 are along pattern 1 center line incline direction uses connecing of being threaded to chew the formula structure.And encapsulating mouth and exhaust outlet are respectively in the bottom and the upper end of pattern.The upper and lower end parts of the inner chamber of pattern 1 respectively has an energy and pattern inwall and the mutually close sealing ring of joining 8 of vacuum switch tube-surface.
Embodiment 3
The whole adhesive filling mould of a kind of vacuum switch tube of the present utility model, as shown in Figure 4.This adhesive filling mould is used for carrying out the die casting coating of insulating barrier silicon rubber outside profile is the columniform vacuum switch tube of the little ladder in two broad in the middle.Its basic structure is identical with embodiment 1.Accompanying drawing 4 illustrates and pours into organic silicon rubber, has coated the structure that forms insulating barrier 16 outside vacuum switch tube 15.
Claims (6)
1, the whole adhesive filling mould of vacuum switch tube, encapsulating mouth (11) that comprise pattern (1), communicates and exhaust outlet (12) with the inner chamber of pattern, it is characterized in that having in the pattern die cavity (3) of the insulating case of the vacuum switch tube chamber (2) of concentricity line and periphery thereof, be connected with enclosed type mold cavity patrix suitable for reading (6) in the upper end of pattern, the lower end is connected with the counterdie (7) of enclosed type mold cavity end opening, have on the upper die and lower die can with the location hole (9) of vacuum switch tube end suit or/and the dog screw (10) of the vacuum switch tube that can be connected.
2, the whole adhesive filling mould of vacuum switch tube according to claim 1, it is characterized in that said pattern (1), patrix (6), counterdie (7) are two lobes along the central axis subdivision all, and open along the both sides of subdivision line to be shaped in the periphery of pattern and unload die cavity (14), the conus portion (4) that the oriented respectively termination of the two ends periphery of said pattern dwindles, conus portion are fitted with the tapered sleeve (13) of combination pattern two lobes.
3, the whole adhesive filling mould of vacuum switch tube according to claim 2, the inner chamber end that it is characterized in that said pattern (1) have can with pattern inwall and vacuum switch tube (15) surface mutually close sealing ring of joining (8).
4, the whole adhesive filling mould of vacuum switch tube according to claim 3 is characterized in that said encapsulating mouth (11) and exhaust outlet (12) are positioned at the subdivision portion of pattern.
5,, it is characterized in that said encapsulating mouth (11) and exhaust outlet (12) are along connecing of pattern centerline direction to chew the formula structure according to claim 1,2, the whole adhesive filling moulds of 3 or 4 described vacuum switch tubes.
6,, it is characterized in that said encapsulating mouth (11) and exhaust outlet (12) are along connecing of pattern center line incline direction to chew the formula structure according to claim 1,2, the whole adhesive filling moulds of 3 or 4 described vacuum switch tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01206950 CN2488163Y (en) | 2001-07-24 | 2001-07-24 | Integrated adhesive filling mould for vacuum switch tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01206950 CN2488163Y (en) | 2001-07-24 | 2001-07-24 | Integrated adhesive filling mould for vacuum switch tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2488163Y true CN2488163Y (en) | 2002-04-24 |
Family
ID=33627495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01206950 Expired - Fee Related CN2488163Y (en) | 2001-07-24 | 2001-07-24 | Integrated adhesive filling mould for vacuum switch tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2488163Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262757B (en) * | 2008-04-09 | 2011-02-09 | 艾默生网络能源有限公司 | Tool for filling glue of power module and filling method |
| CN108074775A (en) * | 2016-11-15 | 2018-05-25 | 上海雷博司电气股份有限公司 | A kind of pole and its production method for outdoor pole top switch |
| CN109109245A (en) * | 2018-06-29 | 2019-01-01 | 中国人民解放军国防科技大学 | Forming die and manufacturing method of multi-cavity air bag structure and pneumatic control type omnidirectional driver |
-
2001
- 2001-07-24 CN CN 01206950 patent/CN2488163Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262757B (en) * | 2008-04-09 | 2011-02-09 | 艾默生网络能源有限公司 | Tool for filling glue of power module and filling method |
| CN108074775A (en) * | 2016-11-15 | 2018-05-25 | 上海雷博司电气股份有限公司 | A kind of pole and its production method for outdoor pole top switch |
| CN109109245A (en) * | 2018-06-29 | 2019-01-01 | 中国人民解放军国防科技大学 | Forming die and manufacturing method of multi-cavity air bag structure and pneumatic control type omnidirectional driver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |