CN107068307A - A kind of composite insulator production method of short time limit efficiency high - Google Patents
A kind of composite insulator production method of short time limit efficiency high Download PDFInfo
- Publication number
- CN107068307A CN107068307A CN201710242120.6A CN201710242120A CN107068307A CN 107068307 A CN107068307 A CN 107068307A CN 201710242120 A CN201710242120 A CN 201710242120A CN 107068307 A CN107068307 A CN 107068307A
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- mould
- plug
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- composite insulator
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- 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
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Abstract
The invention discloses a kind of composite insulator production method of short time limit efficiency high, plug, ball-and-socket, bulb and the sizing material for preparing umbrella sheath are got out first, the ball-and-socket and the bulb are separately mounted to the two ends of the plug, next installation mold, the mould is two sets and is the cavity configuration of a mould two, then rubber vulcanization is obtained by section insulator into the outside that umbrella sheath is wrapped in the plug using stage injection technique, finally locking pin is inserted into the ball-and-socket, the locking pin is broken to fixed position, composite insulator is obtained.The composite insulator production method for the short time limit efficiency high that the present invention is used, using two molds, mould is the chamber of a mould two, and four sections can continuously produce, without product overloading in process, and save space, shorten the duration, improve production efficiency.
Description
Technical field
The present invention relates to power industry high voltage electrical apparatus technical field, more particularly, to a kind of the compound exhausted of short time limit efficiency high
Edge production method.
Background technology
Existing power high voltage electrical equipment hollow insulator mainly has porcelain insulator and silicon rubber compound insulator, existing market
On the resistance to pollution flashover ability of silicon rubber compound insulator it is strong, light weight, but its shortcoming is that external insulation full skirt is molded into for two-half die
Type, the problems such as there is the matched moulds finishing seam run through up and down, influence stability.Existing production method is the method for stage injection,
For example, product length is 4900mm, general injector is 1.5m, is at this moment accomplished by producing using the method for stage injection, when
When producing 100 insulators, using one set of die, 100 one section is first produced, then change 100 two sections, 100 of mould production
Three sections, then mould is changed, 100 four sections are finally produced, is made in this way, scene needs very big space, and product
The storage period is long in process, can have overstocking for product, increase the production cycle, add cost.
The content of the invention
It is an object of the invention to provide a kind of composite insulator production method of short time limit efficiency high, using two molds,
Mould is the chamber of a mould two, and four sections can continuously produce, without product overloading in process, and save space, shorten work
Phase, improve production efficiency.
To achieve the above object, the invention provides a kind of composite insulator production method of short time limit efficiency high, first
Plug, ball-and-socket, bulb and the sizing material for preparing umbrella sheath are got out, the ball-and-socket and the bulb are separately mounted to institute
The two ends of plug are stated, secondly installation mold, the mould is two sets and is the cavity configuration of a mould two, then using stage injection work
Rubber vulcanization is obtained section insulator by skill into the outside that umbrella sheath is wrapped in the plug, and locking pin finally is inserted into institute
State in ball-and-socket, the locking pin is broken to fixed position, composite insulator is obtained；
The stage injection technique comprises the following steps：
A, the confirmation mold temperature：When being changed according to the first branch of per tour or working condition, the mould of two moulds is confirmed
Chamber temperature meets process stipulation requirement；
B, matched moulds：Plug is respectively put into four lower mode cavities, positioner, manual matched moulds, when upper/lower die is closed is pinned
After upper, material thrasher plasticizing is taken out material head rejecting semi-cure glue and used when filler；
C, automatic injection vulcanization：Enter automatic injecting glue after matched moulds, positioner is exited when being vented first time, squeezed unnecessary
Go out and still unvulcanized glue is cleaned out, away from heating plate and mould, used when filler, automatic sulphur is entered after the completion of exhaust
Change；
D, die sinking and the demoulding:It is manually operated to separate heating plate and mould after the completion of vulcanization, mould is then opened, makes production
Grade is in lower mode cavity；
E, modulus and clear mould：When being manually pulled out product out of die cavity, umbrella sheath in die cavity is loosened one by one, production is then taken out
Product, finally clear up scrap rubber side, upper cavity Jiao Dao and the hole for injecting glue of upper cavity residual, cleaning lower mode cavity and positioner, use air gun
Blow off removing residual glue side in membrane cavity；
F, charging：Feeding quantity is determined according to barrel glue amount situation, barrel is fallen back on into assigned position during charging, and by feeding cover
Open, sizing material is broken into and rolls into barrel, that is, complete stage injection technique.
Preferably, four chambers of two mold are respectively one section of chamber, two sections of chambers, three sections of chambers and four sections of chambers, described one
Section chamber, two sections of chambers, three sections of chambers and four sections of chambers are produced simultaneously for four sections of insulators.
Preferably, the installation mold comprises the following steps：
A, selection mould：According to the requirement of production task and product drawing, from the injection molding of production, and on request
Install end positioning, joint, encapsulated seal head and mandrel positioning device；
B, cleaning mould：The dirt of die surface is removed first, and scouring sprays releasing agent；
C, mould installation：Injector is first turned on, above-mentioned mould is loaded into injector heating plate, and fixed peace with fork truck
Dress, mold center aligns position with injection nozzle, then adjusts opening stroke position according to die size.
Preferably, the preparation of the plug comprises the following steps：
The plug after cleaning is got first, and checks the size of plug, and the plug matches with the mould；
Secondly plug is toasted, the plug for being brushed with coupling agent is put into baking oven and toasted, baking temperature is 100
DEG C~120 DEG C, baking time is 20-40 minutes, stand-by after baking.
Preferably, the injecting glue amount of one section of intracavitary is 3615 milliliters, the injecting glue of two sections of chambers and three sections of intracavitary
Measure as 3225 milliliters, the injecting glue amount of four sections of intracavitary is 3230 milliliters.
Preferably, the injection pressure in the segmentation injection process is 200 MPas, and curing temperature is 170 degrees Celsius, vulcanization
Time is 12 minutes.
Therefore, a kind of composite insulator production method for short time limit efficiency high that the present invention is used, uses two molds, mould
Have for the chamber of a mould two, four sections can continuously produce, without product overloading in process, and save space, shorten the duration,
Improve production efficiency.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of high composite insulator of production efficiency of the invention implements example.
Embodiment
Embodiment
Fig. 1 is the structural representation that a kind of high composite insulator of production efficiency of the invention implements example, as illustrated, this hair
It is bright to provide a kind of composite insulator production method of short time limit efficiency high, plug 1, ball-and-socket 2 and bulb 3 and use are got out first
To prepare the sizing material of umbrella sheath 4, ball-and-socket 2 and bulb 3 are separately mounted to the two ends of plug 1, secondly installation mold, the mould
Have for two sets and be the cavity configuration of a mould two, four chambers of two molds are respectively one section of chamber, two sections of chambers, three sections of chambers and four sections
Chamber, one section of chamber, two sections of chambers, three sections of chambers and four sections of chambers are produced simultaneously for four sections of insulators, are then used
Rubber vulcanization is obtained section insulator by stage injection technique into the outside that umbrella sheath 4 is wrapped in plug 1, finally by locking pin
5 are inserted into ball-and-socket 2, and locking pin 5 is broken to fixed position, composite insulator is obtained；Injection moulding is in certain temperature, pressure
Under the process conditions such as power, cure time, silicon rubber molecule is progressively crosslinked the process as space network by linear structure, i.e.,
The sulfidation of umbrella sheath material, the umbrella sheath after vulcanization should have good outward appearance, and use bar with that can meet
The physical and mechanical properties and electric property of part, plug are made up of glass fibre and epoxy resin, and the material of umbrella sheath is silicon rubber
Glue.
The stage injection technique comprises the following steps：
A, the confirmation mold temperature：When being changed according to the first branch of per tour or working condition, the mould of two moulds is confirmed
Chamber temperature meets process stipulation requirement；
B, matched moulds：Plug is respectively put into four lower mode cavities, positioner is pinned, prevents mandrel bend from deforming, manually
Matched moulds, after upper/lower die closes, material thrasher plasticizing is taken out material head rejecting semi-cure glue and used when filler；
C, automatic injection vulcanization：Enter automatic injecting glue after matched moulds, positioner is exited when being vented first time, squeezed unnecessary
Go out and still unvulcanized glue is cleaned out, away from heating plate and mould, used when filler, automatic sulphur is entered after the completion of exhaust
Change, forbid molding in advance, the injecting glue amount of one section of intracavitary is 3615 milliliters, the injecting glue amount of two sections of chambers and three sections of intracavitary is 3225 millis
Rise, the injecting glue amount of four sections of intracavitary is 3230 milliliters, and injection pressure is 200 MPas, and curing temperature is 170 degrees Celsius, cure time
For 12 minutes；
D, die sinking and the demoulding:It is manually operated to separate heating plate and mould after the completion of vulcanization, it is then slow manually to open mould
Tool, it is ensured that product is located in lower mode cavity, will have two people or more to coordinate and complete operation when making long products；
E, modulus and clear mould：When being manually pulled out product out of die cavity, uniform force application, full skirt shield in die cavity is loosened one by one
Set, then takes out product, is exerted a force if necessary at two ends, careful operation, uniform force, never should not energetically be prized at product two ends
Plug, scrap rubber side, upper cavity Jiao Dao and the injecting glue of broken with pick-proof plug or tear umbrella sheath, finally cleaning upper cavity residual
Hole, cleaning lower mode cavity and positioner, removing residual glue side in membrane cavity is blown off with air gun；
F, charging：Feeding quantity is determined according to barrel glue amount situation, barrel is fallen back on into assigned position during charging, and by feeding cover
Open, sizing material is broken into and rolls into barrel, that is, complete stage injection technique, long products need to carry out stage injection, stage injection
When it is noted that mounting and positioning device prevents axial displacement, section installs umbrella and joint with section, and next section of vulcanization is then injected again.
The installation mold comprises the following steps：
A, selection mould：According to the requirement of production task and product drawing, from the injection molding of production, and on request
Install end positioning, joint, encapsulated seal head and mandrel positioning device；
B, cleaning mould：The dirt of die surface is removed first, and scouring sprays releasing agent；
C, mould installation：Injector is first turned on, above-mentioned mould is loaded into injector heating plate, and fixed peace with fork truck
Dress, mold center aligns position with injection nozzle, then adjusts opening stroke position according to die size, during installation mold, to keep away
Exempt from mould to collide or rub with the leading post of injector.
The preparation of the plug comprises the following steps：
The plug after cleaning is got first, and checks the size of plug, and the plug matches with the mould；
Secondly plug is toasted, the plug for being brushed with coupling agent is put into baking oven and toasted, baking temperature is 100
DEG C~120 DEG C, baking time is 20-40 minutes, stand-by after baking.
Therefore, a kind of composite insulator production method for short time limit efficiency high that the present invention is used, uses two molds, mould
Have for the chamber of a mould two, four sections can continuously produce, without product overloading in process, and save space, shorten the duration,
Improve production efficiency.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited,
Although the present invention is described in detail with reference to preferred embodiments, it will be understood by those within the art that：Its according to
Technical scheme can so be modified or equivalent substitution, and these modifications or equivalent substitution can not also make to repair
Technical scheme after changing departs from the spirit and scope of technical solution of the present invention.
Claims (6)
1. a kind of composite insulator production method of short time limit efficiency high, it is characterised in that：Plug, ball-and-socket, ball are got out first
Head and the sizing material for preparing umbrella sheath, the ball-and-socket and the bulb are separately mounted to the two ends of the plug, secondly
Installation mold, the mould is two sets and be the cavity configuration of a mould two, then using stage injection technique by rubber vulcanization into umbrella
The outside that skirt sheath is wrapped in the plug obtains section insulator, and finally locking pin is inserted into the ball-and-socket, will be described
Locking pin is broken to fixed position, obtains composite insulator；
The stage injection technique comprises the following steps：
A, the confirmation mold temperature：When being changed according to the first branch of per tour or working condition, the die cavity temperature of two moulds is confirmed
Degree meets process stipulation requirement；
B, matched moulds：Plug is respectively put into four lower mode cavities, pinning positioner, manual matched moulds, after upper/lower die closes,
Material thrasher is plastified, and is taken out material head rejecting semi-cure glue and is used when filler；
C, automatic injection vulcanization：After matched moulds enter automatic injecting glue, first time be vented when exit positioner, by it is unnecessary extrusion and
Still unvulcanized glue is cleaned out, and away from heating plate and mould, is used when filler, and autovulcanization is entered after the completion of exhaust；
D, die sinking and the demoulding:It is manually operated to separate heating plate and mould after the completion of vulcanization, mould is then opened, makes product position
In in lower mode cavity；
E, modulus and clear mould：When being manually pulled out product out of die cavity, umbrella sheath in die cavity is loosened one by one, product is then taken out,
Finally scrap rubber side, upper cavity Jiao Dao and the hole for injecting glue of cleaning upper cavity residual, clear up lower mode cavity and positioner, are blown off with air gun
Removing residual glue side in membrane cavity；
F, charging：Feeding quantity is determined according to barrel glue amount situation, barrel assigned position is fallen back on into during charging, and feeding cover is beaten
Open, sizing material is broken into and rolls into barrel, that is, complete stage injection technique.
2. a kind of composite insulator production method of short time limit efficiency high according to claim 1, it is characterised in that：It is described
Four chambers of two molds are respectively one section of chamber, two sections of chambers, three sections of chambers and four sections of chambers, one section of chamber, two sections of chambers, described
Three sections of chambers and four sections of chambers are produced simultaneously for four sections of insulators.
3. the composite insulator production method of a kind of short time limit efficiency high according to claim 2, it is characterised in that described
Installation mold comprises the following steps：
A, selection mould：According to the requirement of production task and product drawing, installed from the injection molding of production, and on request
Good end positioning, joint, encapsulated seal head and mandrel positioning device；
B, cleaning mould：The dirt of die surface is removed first, and scouring sprays releasing agent；
C, mould installation：Injector is first turned on, above-mentioned mould is loaded into injector heating plate with fork truck, and is fixedly mounted,
Mold center aligns position with injection nozzle, then adjusts opening stroke position according to die size.
4. the composite insulator production method of a kind of short time limit efficiency high according to claim 1, it is characterised in that described
The preparation of plug comprises the following steps：
The plug after cleaning is got first, and checks the size of plug, and the plug matches with the mould；
Secondly plug is toasted, the plug for being brushed with coupling agent is put into baking oven and toasted, baking temperature for 100 DEG C~
120 DEG C, baking time is 20-40 minutes, stand-by after baking.
5. a kind of composite insulator production method of short time limit efficiency high according to claim 1, it is characterised in that：It is described
The injecting glue amount of one section of intracavitary is 3615 milliliters, and the injecting glue amount of two sections of chambers and three sections of intracavitary is 3225 milliliters, described four
The injecting glue amount of section intracavitary is 3230 milliliters.
6. a kind of composite insulator production method of short time limit efficiency high according to claim 5, it is characterised in that：It is described
The injection pressure being segmented in injection process is 200 MPas, and curing temperature is 170 degrees Celsius, and cure time is 12 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710242120.6A CN107068307A (en) | 2017-04-14 | 2017-04-14 | A kind of composite insulator production method of short time limit efficiency high |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710242120.6A CN107068307A (en) | 2017-04-14 | 2017-04-14 | A kind of composite insulator production method of short time limit efficiency high |
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| Publication Number | Publication Date |
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| CN201710242120.6A Pending CN107068307A (en) | 2017-04-14 | 2017-04-14 | A kind of composite insulator production method of short time limit efficiency high |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828079A (en) * | 2018-08-07 | 2020-02-21 | 国网江西省电力有限公司电力科学研究院 | Method for preparing composite insulator by dip-coating and special equipment thereof |
| CN111391226A (en) * | 2020-04-08 | 2020-07-10 | 扬州市双宝电力设备有限公司 | Ultra-high voltage composite insulator production equipment and process |
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| CN101386199A (en) * | 2007-09-11 | 2009-03-18 | 江苏长弓电力设备有限公司 | Double module injection molding technique of extra-high voltage combined insulator |
| CN201378478Y (en) * | 2009-02-19 | 2010-01-06 | 泉州七星电气有限公司 | Composite insulator of labyrinth type sealed end fitting |
| CN102343650A (en) * | 2010-07-30 | 2012-02-08 | 株式会社东芝 | Casting mold and gas insulated switchgear |
| CN102376403A (en) * | 2010-08-11 | 2012-03-14 | 苏州英丝雷帝电气有限公司 | Compound insulator processing technology for extruding irregular sheath |
| CN103146142A (en) * | 2013-03-04 | 2013-06-12 | 西安永兴科技发展有限公司 | Composite vibration insulator for electrostatic deduster and preparation method thereof |
| CN205621524U (en) * | 2016-03-14 | 2016-10-05 | 国网江苏省电力公司连云港供电公司 | Prevent birds droppings insulator |
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2017
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386199A (en) * | 2007-09-11 | 2009-03-18 | 江苏长弓电力设备有限公司 | Double module injection molding technique of extra-high voltage combined insulator |
| CN201378478Y (en) * | 2009-02-19 | 2010-01-06 | 泉州七星电气有限公司 | Composite insulator of labyrinth type sealed end fitting |
| CN102343650A (en) * | 2010-07-30 | 2012-02-08 | 株式会社东芝 | Casting mold and gas insulated switchgear |
| CN102376403A (en) * | 2010-08-11 | 2012-03-14 | 苏州英丝雷帝电气有限公司 | Compound insulator processing technology for extruding irregular sheath |
| CN103146142A (en) * | 2013-03-04 | 2013-06-12 | 西安永兴科技发展有限公司 | Composite vibration insulator for electrostatic deduster and preparation method thereof |
| CN205621524U (en) * | 2016-03-14 | 2016-10-05 | 国网江苏省电力公司连云港供电公司 | Prevent birds droppings insulator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828079A (en) * | 2018-08-07 | 2020-02-21 | 国网江西省电力有限公司电力科学研究院 | Method for preparing composite insulator by dip-coating and special equipment thereof |
| CN110828079B (en) * | 2018-08-07 | 2024-03-01 | 国网江西省电力有限公司电力科学研究院 | Method for preparing composite insulator by dip-coating and special equipment thereof |
| CN111391226A (en) * | 2020-04-08 | 2020-07-10 | 扬州市双宝电力设备有限公司 | Ultra-high voltage composite insulator production equipment and process |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
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