CN106430990A - Multilayer glued toughened glass insulator and manufacturing method thereof - Google Patents

Multilayer glued toughened glass insulator and manufacturing method thereof Download PDF

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Publication number
CN106430990A
CN106430990A CN201610678027.5A CN201610678027A CN106430990A CN 106430990 A CN106430990 A CN 106430990A CN 201610678027 A CN201610678027 A CN 201610678027A CN 106430990 A CN106430990 A CN 106430990A
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insulator
parts
glass
blank
stand
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CN106430990B (en
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何苗
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Jiangsu Shifeng Enterprise Management Consulting Co.,Ltd.
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Ningbo High Technology Consulting Services Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
    • C03C14/004—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of particles or flakes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J1/00—Adhesives based on inorganic constituents
    • C09J1/02—Adhesives based on inorganic constituents containing water-soluble alkali silicates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/38—Fittings, e.g. caps; Fastenings therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies

Abstract

The invention discloses a multilayer glued toughened glass insulator and a manufacturing method thereof. The insulator at least can resist a lightning steep peak value of 5000kV/s, can bear the repeated cycling shock of -50 DEG C to 500 DEG C under a standard load situation, and can still support the standard load after the self explosion at 0 DEG C; the surface pressure stress is not lower than 300Mpa; the U-shaped notch shock strength is not lower than 25J/cm<2>; the light transmittance is not lower than 80 percent; and by virtue of a way of thickening and cooling for multiple times, a finished product insulator has a multilayer buffer and supporting structure, can bear multi-angular and high-frequency shock power; and by adding a high-temperature-resistant gluing agent into a layered structure, on one hand, the use is facilitated, and on the other hand, the shock resistance is improved. The multilayer glued toughened glass insulator is good in economic performance, resistant to shock, high in fracture toughness, good in comprehensive mechanical properties and long in service life.

Description

The tcughened glass insulator of a kind of multilayer gluing and manufacture method thereof
Technical field
The present invention relates to field of electrical components, particularly relate to tcughened glass insulator and the manufacturer thereof of a kind of multilayer gluing Method.
Background technology
Insulator is a kind of special insulation control, can play an important role in overhead transmission line.
Between Zao Nian, insulator is used for electric pole, and the one end being slowly developed in high type high-tension bus-bar connection tower has hung a lot of dish The insulator of shape, it is in order to increase creep age distance, is generally made up of glass or pottery, is just insulator.Insulator is at frame Playing two basic roles in empty transmission line of electricity, i.e. supporting wire and prevent electric current from going back to ground, the two effect must be guaranteed； Meanwhile, insulator should have enough electrical insulation strength, moisture-resistance and resistance to elevated temperatures.
In the Patents applied at home, patent《A kind of glass insulator》（Application number：201210349297.3, Publication date：2013～01～16）, disclose the composition formula of the glass insulator of a kind of good stability, but owing to being powder process after Sintering, fragility is compared with big and adhesion is poor, it is impossible to still retain basic service behaviour after zero degree self-destruction, and due to powder weight Melting and destroying glass and quickly cool down the tempering effect brought and bearing stress, mechanical performance is poor and service life is short（Surface Compression can significantly improve service life）, on the other hand, do not carry out toughening and shock resistance process, make this glass insulator Easily damaged by physical impact or cold cycling；Patent《Composite glass fiber reinforced insulator》（Application number：201210470969.6, public Open day：2014～06～04）, disclose the glass insulator of a kind of overcoat pellosil, but owing to glass body does not carries out intensity Improved treatment, this insulator combination property is poor, and in this invention, preferred black silicon glued membrane is due to printing opacity rate variance, destroys glass The insulator advantage defect maximum relative to porcelain insulator is visible so that safeguard that replacing is increasingly difficult, though insulator There occurs that zero degree self-destruction is not easy to discovery and processes, on the other hand, owing to this invention is not entered for glass insulator body Row electric property improves, and its electric property is poor.
Content of the invention
Drawbacks described above present in solution prior art, it is desirable to provide a kind of good economy performance, impact resistance, fracture Toughness is high, comprehensive mechanical performance is good, the tcughened glass insulator of the multilayer gluing of length in service life and manufacture method thereof.
To achieve these goals, the present invention is by the following technical solutions：A kind of tcughened glass insulator of multilayer gluing Manufacture method, comprise the following steps：
1）Raw material prepare
1. glass body raw material include the component of following weight portion：Silica 70～80 parts, 8～10 parts of calcium oxide, carbonic acid 10～15 parts of sodium and magnesia powder 3～5 parts, straight iron powder 3～5 parts, phosphorus powder 1～2 part, carbon dust 1～2 part；
2. adhesive raw material include the component of following weight portion：Sodium metasilicate 50～60 parts, acetic acid 3-5 part, silicone 10-15 part, Pure water 30-35 part；
3. the auxiliary material of technique includes：Enough releasing agents, enough nitrogen；
4. technological equipment includes：Bottom centre is provided with the central metal mould of screw-like structure spiral shell as described screw-like structure The austenite stainless steel long bolt of line shape, inner surface are coated with coating metal mould and the coating metal of WC base wear-resistant coating The vibrating device of mould coupling；
2）Melted and the strengthening of glass
1. by 1）Silica, calcium oxide, sodium carbonate and magnesia powder that 1. middle step prepares mix, and then use electric smelting Cave carries out melt process, melt temperature 1300 DEG C～1400 DEG C, the melting time for reach insulation 30min after assigned temperature～ 40min, it is thus achieved that pristine glass melt flow stream；
2. it, after 1. step completes, is passed through enough nitrogen, then adds 1）Straight iron powder, phosphorus powder and the carbon dust that 1. middle step prepares, stirring Uniformly, it is incubated 5min～10min, it is thus achieved that stand-by strengthening glass melting fluid；
3）The insulator shaping of heart portion
1. it at the enough releasing agents of central metal mould inner surface spraying, is passed through enough nitrogen, then central metal mould is heated to 650 DEG C～700 DEG C, then by part 2）The stand-by strengthening glass melting fluid that 2. middle step obtains injects central metal mould, to center gold Till genus mould fills up；
2. after 1. step completes, the pressure with 5bar～8bar is passed through nitrogen, is cooled to room temperature forming, the demoulding to central metal mould Rear acquisition insulator center blank；
4）Layer structure is molded
1. under room temperature environment, by 1）Sodium metasilicate that 2. middle step prepares, acetic acid, silicone, pure water are mixed and stirred for uniformly, obtaining Obtain stand-by glued liquid；
2. prepare canister, be passed through enough nitrogen, then canister be heated to 1000 DEG C～1100 DEG C, inject part 2） The stand-by strengthening glass melting fluid that 2. middle step obtains, is positioned over 1000 DEG C～1100 DEG C temperature, the ring of nitrogen protection always In border, it is thus achieved that stand-by insulator blank liquid；
3. described austenitic stainless steel screw rod is connected and through this tapped through hole with insulator center blank intermediate thread joint structure, Form removable insulator center blank；
4. the removable insulator center blank 3. obtaining step is positioned over to being cooled to room temperature in air, by control Ovshinsky Body stainless steel screw rod moves to step in the stand-by glued liquid 1. obtaining, and then takes out to glued liquid solidification；Then will be removable Insulator center blank moves to stand-by insulator blank liquid local environment, slowly puts into stand-by after insulation 20min-30min In insulator blank liquid, then take out and be positioned in air to being cooled to room temperature；
5. repeat step 4. extremely removable insulator center blank three-D profile and be smaller in size than coating metal model cavity three-D profile Size 5mm-8mm, it is thus achieved that required layer structure insulator blank；
5）Insulator is molded
1. by 4）The layer structure insulator blank that 5. middle step obtains is positioned over and is coated with enough releasing agents and is heated to 650 DEG C It in the coating metal mould of～700 DEG C, is subsequently adding 2）The stand-by strengthening glass melting fluid that 2. middle step obtains, to coating metal Model cavity is filled full, and the vibrating device mating with coating metal mould starts, duration 10min～15min；
2. after 1. step completes, the pressure with 5bar～8bar is passed through nitrogen, is cooled to room temperature forming, the demoulding to coating metal mould Rear acquisition insulator blank；
3. the insulator blank using diamond abrasive vibrator deburring equipment 2. to obtain step carries out vibrator deburring and throwing Light process, i.e. obtains required insulator.
The tcughened glass insulator of a kind of multilayer gluing according to manufactured by above-mentioned manufacture method, this insulator includes one The one staggered compound glass layer interting and multiple glued layers, heart portion is that glass is made, and wherein glassy layer includes following weight portion Component：Silica 70～80 parts, 8～10 parts of calcium oxide, 10～15 parts of sodium carbonate, 3～5 parts of magnesia, iron 3～5 parts, phosphorus 1 ～2 parts, 1～2 part of carbon；Cementing layer includes the component of following weight portion：Sodium metasilicate 50～60 parts, silicone 10-15 part.
This insulator at least can anti lightning abrupt slope peak value 5000kV/s；-50 DEG C～500 can be born in the case of normal loading The impact of DEG C iterative cycles；Normal loading is still can support after zero degree self-destruction；Bearing stress is not less than 300Mpa；U-shaped notch shock Intensity is not less than 25J/cm2；Light transmittance is not less than 80%.
Compared with prior art, the present invention has the following advantages：Owing to make use of well by full reason formula preparation After the glued liquid that goes out is dry and hard, melt temperature and invalid temperature are higher than 1300 DEG C again, are successfully realized glass and replace cold with gluing liquid But, brand-new multilayer gluing tcughened glass structure has been prepared；Carry a kind of complete glass formula and strengthening composition thereof, also had Detailed technological process and intensifying method, process is clear, definite principle, be easily achieved；Owing to profiled insulation has multilayer tempering Glass structure, also having in the middle of multilayer tempering glass structure increases adhesion the adhesive with powerful pooling feature, as Support, pull, stress conduction, add that the glass insulator every layer glass structure of the present invention all cools down quickly, be i.e. equivalent to have employed Steel process, there is very huge pressing stress on glass insulator top layer, can offset part foreign impacts power, and there is very high tension inside, can support Anti-extraneous part of impact force, therefore this glass insulator strong shock resistance, owing to every layer of glass structure has also been risen by adhesive The effect pullled and fix, in addition safety glass zero point self-destruction after will not naturally peel off, still retain significant proportion adhesion and Mechanical strength so that even if this glass insulator there occurs that zero point is revealed, also can persistently complete basic training use, until saturating during maintenance Cross after the high vitreum of light transmittance can be visually seen crackle and change, easy to use；According to correlative study, iron-phosphorus-carbon system tempering Glass good-toughness, after the glass insulator of the present invention has dissolved in toughening element, its body toughness obtains considerable raising, in addition, The present invention have selected optimal procedure parameters in sintering process, and the remaining thermal stress of insulator own and structural stress are all relatively low, Add again vibration processes in later stage polishing, make internal stress homogenize, improve the uniformity of overall performance, reduce Notch sensitivity, is also a high major reason of impact flexibility of the present invention, and its impact flexibility is four times of conventional tempering glass Above, more than ten times of porcelain insulator；Owing to have employed steel process (making flow-like glass metal rapid cooling), the glass of the present invention During the cooling of insulator top layer, heart portion is also uncolled, defines oneself but the tensile stress in uniform bearing stress layer and heart portion, table The compression of layer can substantially increase fatigue life, and offsets part of impact force when by foreign impacts, and the tensile stress in heart portion is also May resist extraneous impulsive force, under comprehensive use, length in service life, the comprehensive mechanical performance of the present invention are good；Due to strengthening essence Refining process is carried out entirely under nitrogen protection, does not has impurity to participate in, and the hot tearing in process of the method for technical maturity, the present invention Be inclined to low, micro-crack is few, therefore the light transmittance of final finished is high, excellent electrical properties.
Brief description：
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Embodiment 1：
The tcughened glass insulator of a kind of multilayer gluing, this insulator includes compound glass layer and the multilayer glue interlocking interspersed one by one Closing layer, heart portion is that glass is made, and wherein glassy layer includes the component of following weight portion：Silica 70 parts, 8 parts of calcium oxide, carbon 10 parts of sodium of acid, 3 parts of magnesia, iron 3 parts, 1 part of phosphorus, 1 part of carbon；Cementing layer includes the component of following weight portion：Sodium metasilicate 50 parts, silicon Ketone 10 parts；
The manufacture method of the tcughened glass insulator of this multilayer gluing comprises the following steps：
1）Raw material prepare
1. glass body raw material include the component of following weight portion：Silica 70 parts, 8 parts of calcium oxide, 10 parts of sodium carbonate and Magnesia powder 3 parts, straight iron powder 3 parts, phosphorus powder 1 part, carbon dust 1 part；
2. adhesive raw material include the component of following weight portion：Sodium metasilicate 50 parts, acetic acid 3 parts, silicone 10 parts, pure water 30 Part；
3. the auxiliary material of technique includes：Enough releasing agents, enough nitrogen；
4. technological equipment includes：Bottom centre is provided with the central metal mould of screw-like structure spiral shell as described screw-like structure The austenite stainless steel long bolt of line shape, inner surface are coated with coating metal mould and the coating metal of WC base wear-resistant coating The vibrating device of mould coupling；
2）Melted and the strengthening of glass
1. by 1）Silica, calcium oxide, sodium carbonate and magnesia powder that 1. middle step prepares mix, and then use electric smelting Cave carries out melt process, melt temperature 1300 DEG C, and the melting time is incubated 30min after reaching assigned temperature, it is thus achieved that pristine glass Melt flow stream；
2. it, after 1. step completes, is passed through enough nitrogen, then adds 1）Straight iron powder, phosphorus powder and the carbon dust that 1. middle step prepares, stirring Uniformly, it is incubated 5min, it is thus achieved that stand-by strengthening glass melting fluid；
3）The insulator shaping of heart portion
1. it at the enough releasing agents of central metal mould inner surface spraying, is passed through enough nitrogen, then central metal mould is heated to 650 DEG C, then by part 2）The stand-by strengthening glass melting fluid that 2. middle step obtains injects central metal mould, fills out to central metal mould Till Man；
2. after 1. step completes, the pressure with 5bar is passed through nitrogen, is cooled to room temperature forming to central metal mould, obtains after the demoulding Insulator center blank；
4）Layer structure is molded
1. under room temperature environment, by 1）Sodium metasilicate that 2. middle step prepares, acetic acid, silicone, pure water are mixed and stirred for uniformly, obtaining Obtain stand-by glued liquid；
2. prepare canister, be passed through enough nitrogen, then canister be heated to 1000 DEG C, inject part 2）Middle step is 2. The stand-by strengthening glass melting fluid obtaining, is positioned over 1000 DEG C of temperature, in the environment of nitrogen protection, it is thus achieved that stand-by insulation always Sub-blank liquid；
3. described austenitic stainless steel screw rod is connected and through this tapped through hole with insulator center blank intermediate thread joint structure, Form removable insulator center blank；
4. the removable insulator center blank 3. obtaining step is positioned over to being cooled to room temperature in air, by control Ovshinsky Body stainless steel screw rod moves to step in the stand-by glued liquid 1. obtaining, and then takes out to glued liquid solidification；Then will be removable Insulator center blank moves to stand-by insulator blank liquid local environment, slowly puts into stand-by insulator after insulation 20min In blank liquid, then take out and be positioned in air to being cooled to room temperature；
5. repeat step 4. extremely removable insulator center blank three-D profile and be smaller in size than coating metal model cavity three-D profile Size 5mm, it is thus achieved that required layer structure insulator blank；
5）Insulator is molded
1. by 4）The layer structure insulator blank that 5. middle step obtains is positioned over and is coated with enough releasing agents and is heated to 650 DEG C Coating metal mould in, be subsequently adding 2）The stand-by strengthening glass melting fluid that 2. middle step obtains, to coating metal model cavity Being filled full, the vibrating device mating with coating metal mould starts, duration 10min；
2. after 1. step completes, the pressure with 5bar is passed through nitrogen, is cooled to room temperature forming to coating metal mould, obtains after the demoulding Insulator blank；
3. the insulator blank using diamond abrasive vibrator deburring equipment 2. to obtain step carries out vibrator deburring and throwing Light process, i.e. obtains required insulator.
By the tcughened glass insulator sample of the multilayer gluing that the present embodiment is produced, can anti lightning abrupt slope peak value 6300kV/s；-50 DEG C～500 DEG C iterative cycles impacts can be born in the case of normal loading；Mark is still can support after zero degree self-destruction Quasi-load；Bearing stress 380Mpa；U-shaped notch impact strength 33J/cm2；Light transmittance 87%.
Embodiment 2：
The tcughened glass insulator of a kind of multilayer gluing, this insulator includes compound glass layer and the multilayer glue interlocking interspersed one by one Closing layer, heart portion is that glass is made, and wherein glassy layer includes the component of following weight portion：Silica 80 parts, 10 parts of calcium oxide, carbon 15 parts of sodium of acid, 5 parts of magnesia, iron 5 parts, 2 parts of phosphorus, 2 parts of carbon；Cementing layer includes the component of following weight portion：Sodium metasilicate 60 parts, silicon Ketone 15 parts；
The manufacture method of the tcughened glass insulator of this multilayer gluing comprises the following steps：
1）Raw material prepare
1. glass body raw material include the component of following weight portion：Silica 80 parts, 10 parts of calcium oxide, 15 parts of sodium carbonate and Magnesia powder 5 parts, straight iron powder 5 parts, phosphorus powder 2 parts, carbon dust 2 parts；
2. adhesive raw material include the component of following weight portion：Sodium metasilicate 60 parts, acetic acid 5 parts, silicone 15 parts, pure water 35 Part；
3. the auxiliary material of technique includes：Enough releasing agents, enough nitrogen；
4. technological equipment includes：Bottom centre is provided with the central metal mould of screw-like structure spiral shell as described screw-like structure The austenite stainless steel long bolt of line shape, inner surface are coated with coating metal mould and the coating metal of WC base wear-resistant coating The vibrating device of mould coupling；
2）Melted and the strengthening of glass
1. by 1）Silica, calcium oxide, sodium carbonate and magnesia powder that 1. middle step prepares mix, and then use electric smelting Cave carries out melt process, melt temperature 1400 DEG C, and the melting time is incubated 40min after reaching assigned temperature, it is thus achieved that pristine glass Melt flow stream；
2. it, after 1. step completes, is passed through enough nitrogen, then adds 1）Straight iron powder, phosphorus powder and the carbon dust that 1. middle step prepares, stirring Uniformly, it is incubated 10min, it is thus achieved that stand-by strengthening glass melting fluid；
3）The insulator shaping of heart portion
1. it at the enough releasing agents of central metal mould inner surface spraying, is passed through enough nitrogen, then central metal mould is heated to 700 DEG C, then by part 2）The stand-by strengthening glass melting fluid that 2. middle step obtains injects central metal mould, fills out to central metal mould Till Man；
2. after 1. step completes, the pressure with 8bar is passed through nitrogen, is cooled to room temperature forming to central metal mould, obtains after the demoulding Insulator center blank；
4）Layer structure is molded
1. under room temperature environment, by 1）Sodium metasilicate that 2. middle step prepares, acetic acid, silicone, pure water are mixed and stirred for uniformly, obtaining Obtain stand-by glued liquid；
2. prepare canister, be passed through enough nitrogen, then canister be heated to 1100 DEG C, inject part 2）Middle step is 2. The stand-by strengthening glass melting fluid obtaining, is positioned over 1100 DEG C of temperature, in the environment of nitrogen protection, it is thus achieved that stand-by insulation always Sub-blank liquid；
3. described austenitic stainless steel screw rod is connected and through this tapped through hole with insulator center blank intermediate thread joint structure, Form removable insulator center blank；
4. the removable insulator center blank 3. obtaining step is positioned over to being cooled to room temperature in air, by control Ovshinsky Body stainless steel screw rod moves to step in the stand-by glued liquid 1. obtaining, and then takes out to glued liquid solidification；Then will be removable Insulator center blank moves to stand-by insulator blank liquid local environment, slowly puts into stand-by insulator after insulation 30min In blank liquid, then take out and be positioned in air to being cooled to room temperature；
5. repeat step 4. extremely removable insulator center blank three-D profile and be smaller in size than coating metal model cavity three-D profile Size 8mm, it is thus achieved that required layer structure insulator blank；
5）Insulator is molded
1. by 4）The layer structure insulator blank that 5. middle step obtains is positioned over and is coated with enough releasing agents and is heated to 700 DEG C Coating metal mould in, be subsequently adding 2）The stand-by strengthening glass melting fluid that 2. middle step obtains, to coating metal model cavity Being filled full, the vibrating device mating with coating metal mould starts, duration 15min；
2. after 1. step completes, the pressure with 8bar is passed through nitrogen, is cooled to room temperature forming to coating metal mould, obtains after the demoulding Insulator blank；
3. the insulator blank using diamond abrasive vibrator deburring equipment 2. to obtain step carries out vibrator deburring and throwing Light process, i.e. obtains required insulator.
By the tcughened glass insulator sample of the multilayer gluing that the present embodiment is produced, can anti lightning abrupt slope peak value 6600kV/s；-50 DEG C～500 DEG C iterative cycles impacts can be born in the case of normal loading；Mark is still can support after zero degree self-destruction Quasi-load；Bearing stress 410Mpa；U-shaped notch impact strength 36J/cm2；Light transmittance 83%.
Described above to the disclosed embodiments, only for making professional and technical personnel in the field be capable of or using this Invention.Multiple modifications to these embodiments will be apparent from for those skilled in the art, institute herein The General Principle of definition can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, The present invention is not intended to be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty The consistent scope the widest of point.

Claims (2)

1. the manufacture method of the tcughened glass insulator of a multilayer gluing, it is characterised in that comprise the following steps：
1）Raw material prepare
1. glass body raw material include the component of following weight portion：Silica 70～80 parts, 8～10 parts of calcium oxide, carbonic acid 10～15 parts of sodium and magnesia powder 3～5 parts, straight iron powder 3～5 parts, phosphorus powder 1～2 part, carbon dust 1～2 part；
2. adhesive raw material include the component of following weight portion：Sodium metasilicate 50～60 parts, acetic acid 3-5 part, silicone 10-15 part, Pure water 30-35 part；
3. the auxiliary material of technique includes：Enough releasing agents, enough nitrogen；
4. technological equipment includes：Bottom centre is provided with the central metal mould of screw-like structure spiral shell as described screw-like structure The austenite stainless steel long bolt of line shape, inner surface are coated with coating metal mould and the coating metal of WC base wear-resistant coating The vibrating device of mould coupling；
2）Melted and the strengthening of glass
1. by 1）Silica, calcium oxide, sodium carbonate and magnesia powder that 1. middle step prepares mix, and then use electric smelting Cave carries out melt process, melt temperature 1300 DEG C～1400 DEG C, the melting time for reach insulation 30min after assigned temperature～ 40min, it is thus achieved that pristine glass melt flow stream；
2. it, after 1. step completes, is passed through enough nitrogen, then adds 1）Straight iron powder, phosphorus powder and the carbon dust that 1. middle step prepares, stirring Uniformly, it is incubated 5min～10min, it is thus achieved that stand-by strengthening glass melting fluid；
3）The insulator shaping of heart portion
1. it at the enough releasing agents of central metal mould inner surface spraying, is passed through enough nitrogen, then central metal mould is heated to 650 DEG C～700 DEG C, then by part 2）The stand-by strengthening glass melting fluid that 2. middle step obtains injects central metal mould, to center gold Till genus mould fills up；
2. after 1. step completes, the pressure with 5bar～8bar is passed through nitrogen, is cooled to room temperature forming, the demoulding to central metal mould Rear acquisition insulator center blank；
4）Layer structure is molded
1. under room temperature environment, by 1）Sodium metasilicate that 2. middle step prepares, acetic acid, silicone, pure water are mixed and stirred for uniformly, obtaining Obtain stand-by glued liquid；
2. prepare canister, be passed through enough nitrogen, then canister be heated to 1000 DEG C～1100 DEG C, inject part 2） The stand-by strengthening glass melting fluid that 2. middle step obtains, is positioned over 1000 DEG C～1100 DEG C temperature, the ring of nitrogen protection always In border, it is thus achieved that stand-by insulator blank liquid；
3. described austenitic stainless steel screw rod is connected and through this tapped through hole with insulator center blank intermediate thread joint structure, Form removable insulator center blank；
4. the removable insulator center blank 3. obtaining step is positioned over to being cooled to room temperature in air, by control Ovshinsky Body stainless steel screw rod moves to step in the stand-by glued liquid 1. obtaining, and then takes out to glued liquid solidification；Then will be removable Insulator center blank moves to stand-by insulator blank liquid local environment, slowly puts into stand-by after insulation 20min-30min In insulator blank liquid, then take out and be positioned in air to being cooled to room temperature；
5. repeat step 4. extremely removable insulator center blank three-D profile and be smaller in size than coating metal model cavity three-D profile Size 5mm-8mm, it is thus achieved that required layer structure insulator blank；
5）Insulator is molded
1. by 4）The layer structure insulator blank that 5. middle step obtains is positioned over and is coated with enough releasing agents and is heated to 650 DEG C It in the coating metal mould of～700 DEG C, is subsequently adding 2）The stand-by strengthening glass melting fluid that 2. middle step obtains, to coating metal Model cavity is filled full, and the vibrating device mating with coating metal mould starts, duration 10min～15min；
2. after 1. step completes, the pressure with 5bar～8bar is passed through nitrogen, is cooled to room temperature forming, the demoulding to coating metal mould Rear acquisition insulator blank；
3. the insulator blank using diamond abrasive vibrator deburring equipment 2. to obtain step carries out vibrator deburring and throwing Light process, i.e. obtains required insulator.
2. a tcughened glass insulator for the multilayer gluing manufactured by manufacture method according to claim 1, its feature It is：This insulator includes compound glass layer and the multiple glued layers interlocking interspersed one by one, and heart portion is that glass is made, wherein glass Layer includes the component of following weight portion：Silica 70～80 parts, 8～10 parts of calcium oxide, 10～15 parts of sodium carbonate, magnesia 3 ～5 parts, iron 3～5 parts, 1～2 part of phosphorus, 1～2 part of carbon；Cementing layer includes the component of following weight portion：Sodium metasilicate 50～60 parts, silicon Ketone 10-15 part.
CN201610678027.5A 2016-08-17 2016-08-17 A kind of the tcughened glass insulator and its manufacturing method of multilayer gluing Active CN106430990B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107673626A (en) * 2017-10-25 2018-02-09 信利光电股份有限公司 A kind of method for improving membranous layer binding force

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JPS5428323A (en) * 1977-08-06 1979-03-02 Toshiba Kasei Kougiyou Kk Hardened glass insulator
CN101409119A (en) * 2008-11-18 2009-04-15 上海玻璃机器制造厂有限公司 Laminated toughened glass insulator and preparation method thereof
CN103420609A (en) * 2013-07-24 2013-12-04 浙江大学 Low-loss glass formula and method for manufacturing of DC glass insulator
CN103489539A (en) * 2013-10-08 2014-01-01 江苏祥源电气设备有限公司 Enlarged composite insulator umbrella group

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5428323A (en) * 1977-08-06 1979-03-02 Toshiba Kasei Kougiyou Kk Hardened glass insulator
CN101409119A (en) * 2008-11-18 2009-04-15 上海玻璃机器制造厂有限公司 Laminated toughened glass insulator and preparation method thereof
CN103420609A (en) * 2013-07-24 2013-12-04 浙江大学 Low-loss glass formula and method for manufacturing of DC glass insulator
CN103489539A (en) * 2013-10-08 2014-01-01 江苏祥源电气设备有限公司 Enlarged composite insulator umbrella group

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107673626A (en) * 2017-10-25 2018-02-09 信利光电股份有限公司 A kind of method for improving membranous layer binding force

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