CN101834042B - Process of insulating cap for medium-voltage electrical appliances - Google Patents
Process of insulating cap for medium-voltage electrical appliances Download PDFInfo
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- CN101834042B CN101834042B CN201010179842XA CN201010179842A CN101834042B CN 101834042 B CN101834042 B CN 101834042B CN 201010179842X A CN201010179842X A CN 201010179842XA CN 201010179842 A CN201010179842 A CN 201010179842A CN 101834042 B CN101834042 B CN 101834042B
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Abstract
The invention discloses a process of an insulating cap for medium-voltage electrical appliances, comprising the following steps of: (1) mixing glue stocks; (2) evacuating; (3) filling; (4) vulcanizing for the first time; (5) trimming; (6) vulcanizing for the second time; (7) trimming; and (8) testing. The invention can solve the problem of air bubble generation in the process of preparing the insulating cap with the properties of double-component room-temperature silicon sulfide rubber by using GMX-8608A and GMX8608B and can also improve the forming uniformity of a product so that the material molecules of the product have tighter glue connection, thereby ensuring integral strength.
Description
Technical field
The invention belongs to appliance component technology field, relate to the processing technology of a kind of middle piezoelectricity device concretely with insulator cap.
Background technology
The material that middle piezoelectricity device rubber-covered cap adopts is two-component room-temperature-vulcanized silicone rubber (RTV), this rubber is a component by rubber, filler, crosslinking agent, rubber, filler, catalyst mix by a certain percentage for another component, it is a kind of elastomer silicone that comes out in the sixties, the remarkable advantage of this rubber is at room temperature need not heat, pressurize and can solidify on the spot, not heat release during curing, shrinkage is very little, do not expand, internal stress free, curing can be carried out simultaneously on inner and surface, can vulcanize in the deep, and it is extremely convenient to use.Therefore, become an important component part of whole organosilicon product once coming out.Two-component room-temperature-vulcanized silicone rubber also have its significant disadvantages be mix two components, easy entrained air bubbles when watering, cause product inside bubble to be arranged and make the product electrical property defective at last.
Summary of the invention
The purpose of this invention is to provide a kind of can the solution by the problem that produces bubble in the insulator cap process of two-component room-temperature-vulcanized silicone rubber characteristic, can also improve the uniformity of formed product simultaneously, product material is molecule crosslinked tightr, guarantees bulk strength.
Technical scheme of the present invention is as follows:
The piezoelectricity device processing technology of insulator cap in a kind of, it is characterized in that: this technology may further comprise the steps,
(1), sizing material mixes
With GMX-8608A and GMX8608B mixed by 1: 1, wherein GMX-8608A equal with the quality of GMX8608B≤4Kg: mix with mixer stirring, mixing time is 12～15 minutes;
This step can guarantee the abundant mixing of two kinds of materials.
(2), vacuumize
With vacuum pump the air inside the sizing material that mixes is extracted out, the time was not less than 25 minutes;
Air in the material that mixes is extracted out fully, is to guarantee the bubble-free committed step of product.
(3), can
The sizing material that last operation is mixed pours in the mould;
Mould adopts structure as described in Figure 1, and this mould has 1 sprue gate and 1 gas outlet, and air is discharged from the gas outlet in the casting process, prevents from that gas from sneaking into to occur bubble in the composite material.
(4), one step cure
After the product cast, at room temperature park: temperature is controlled at 23 ± 2 ℃; Standing time 〉=16.5 hour;
One step cure is controlled at 23 ± 2 ℃ with temperature; Standing time 〉=16.5 hour can guarantee that blend glue stuff solidifies evenly, and the curing rate that prevents the insulator cap outer surface makes integrally curing speed unanimity faster than inside.Can also reach simultaneously and discharge the issuable bubble of chemical reaction that sizing material material self takes place.
(5), deburring
Taking out product from mould removes the overlap of die joint with blade;
(6), post vulcanization
Product is put into baking oven carry out post vulcanization, conditions of vulcanization: temperature is controlled at 95-105 ℃; Time was not less than 4 hours;
Post vulcanization makes molecule crosslinked tightr in the insulator cap sizing material guarantee that finished product reaches ideal tensile strength.
(7), deburring
Product sprue gate overlap is removed;
(8), check
Test by drawing.
The quality of described GMX-8608A and GMX8608B is 4Kg, and mixing time is 14 minutes.
The time of one step cure is 16.5 hours.
The post vulcanization temperature is controlled at 100 ℃; Time is 4 hours.
Beneficial effect: the present invention can solve by GMX-8608A and GMX8608B and prepare the problem that produces bubble in the insulator cap process with two-component room-temperature-vulcanized silicone rubber characteristic, can also improve simultaneously the uniformity of formed product, it is tightr that the glue of product material molecule connects, and guarantees bulk strength.
Description of drawings
The present invention will illustrate by example and with reference to the mode of accompanying drawing, wherein:
The structural representation of casting mold that insulator cap adopts among Fig. 1 the present invention.
Embodiment
1, a kind of middle piezoelectricity device processing technology of insulator cap, this technology may further comprise the steps,
(1), sizing material mixes
With GMX-8608A and GMX8608B mixed by 1: 1, wherein GMX-8608A equal with the quality of GMX8608B≤4Kg: mix with mixer stirring, mixing time is 12～15 minutes;
GMX-8608A and GMX8608B are the compositions of two-component room-temperature-vulcanized silicone rubber, conventional material for known rubber materials, specifically GMX-8608A is for based on silica gel and added the material of vulcanizing agent, and GMX8608B is for silica gel being the main material of promoter that added.
(2), vacuumize
With vacuum pump the air inside the sizing material that mixes is extracted out, the time was not less than 25 minutes;
(3), can
The sizing material that last operation is mixed pours in the mould;
Mould comprises that as shown in Figure 1 mould comprises patrix 1, middle mould 2, counterdie 3 and core rod 4, and wherein patrix 1, middle mould 2, counterdie 3 and core rod 4 constitute the die cavity with insulator cap 7 shapes, and patrix 1 has sprue gate 5 and gas outlet 6.
(4), one step cure
After the product cast, at room temperature park: temperature is controlled at 23 ± 2 ℃; Standing time 〉=16.5 hour;
(5), deburring
Taking out product from mould removes the overlap of die joint with blade;
(6), post vulcanization
Product is put into baking oven carry out post vulcanization, conditions of vulcanization: temperature is controlled at 95-105 ℃; Time was not less than 4 hours;
(7), deburring
Product sprue gate overlap is removed;
(8), check
Test by drawing.
The quality of described GMX-8608A and GMX8608B is 4Kg, and mixing time is 14 minutes.
The time of one step cure is 16.5 hours.
The post vulcanization temperature is controlled at 100 ℃; Time is 4 hours.
Two kinds of components that are used to prepare two-component room-temperature-vulcanized silicone rubber that GMX-8608A and GMX8608B produce for " Zhonglan Chenguang Chemical Inst ".
Claims (1)
1. the piezoelectricity device is with the processing technology of insulator cap in one kind, and it is characterized in that: this technology may further comprise the steps,
(1), sizing material mixes
With based on silica gel and added the material GMX-8608A of vulcanizing agent and based on silica gel and added the mixed of the material GMX8608B of promoter by 1:1, wherein the quality of GMX-8608A and GMX8608B all≤4Kg, mixing stirs with mixer, and mixing time is 12～15 minutes;
(2), vacuumize
With vacuum pump the air inside the sizing material that mixes is extracted out, the time was not less than 25 minutes;
(3), can
The sizing material that last operation is mixed pours in the mould;
(4), one step cure
After the product cast, at room temperature park: temperature is controlled at 23 ± 2 ℃; Standing time 〉=16.5 hour;
(5), deburring
Taking out product from mould removes the overlap of die joint with blade;
(6), post vulcanization
Product is put into baking oven carry out post vulcanization, conditions of vulcanization: temperature is controlled at 95-105 ℃; Time was not less than 4 hours;
(7), deburring
Product sprue gate overlap is removed;
(8), check
Test by drawing.
2.A kind of middle piezoelectricity device according to claim 1 processing technology of insulator cap, it is characterized in that: the quality of described GMX-8608A and GMX8608B is 4Kg, and mixing time is 14 minutes.
3, a kind of middle piezoelectricity device according to claim 1 processing technology of insulator cap, it is characterized in that: the time of one step cure is 16.5 hours.
4, use the processing technology of insulator cap according to claim 1,2 or 3 described a kind of middle piezoelectricity devices, it is characterized in that: the post vulcanization temperature is controlled at 100 ℃; Time is 4 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010179842XA CN101834042B (en) | 2010-05-21 | 2010-05-21 | Process of insulating cap for medium-voltage electrical appliances |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010179842XA CN101834042B (en) | 2010-05-21 | 2010-05-21 | Process of insulating cap for medium-voltage electrical appliances |
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| CN101834042A CN101834042A (en) | 2010-09-15 |
| CN101834042B true CN101834042B (en) | 2011-11-30 |
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| CN201010179842XA Active CN101834042B (en) | 2010-05-21 | 2010-05-21 | Process of insulating cap for medium-voltage electrical appliances |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070430A (en) * | 2007-05-16 | 2007-11-14 | 石建国 | Silica-gel foaming-gel heat-insulation pipe and preparing method |
| CN101430954A (en) * | 2008-12-11 | 2009-05-13 | 中国西电电气股份有限公司 | Production method for composite insulator silicon rubber jacket |
| WO2009062543A1 (en) * | 2007-11-13 | 2009-05-22 | Abb Research Ltd | Fiber-reinforced composite system as electrical insulation |
| CN101615455A (en) * | 2009-08-06 | 2009-12-30 | 朱笑梅 | Vacuum glue-dipping insulation pipe without air gaps and manufacture method |
-
2010
- 2010-05-21 CN CN201010179842XA patent/CN101834042B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070430A (en) * | 2007-05-16 | 2007-11-14 | 石建国 | Silica-gel foaming-gel heat-insulation pipe and preparing method |
| WO2009062543A1 (en) * | 2007-11-13 | 2009-05-22 | Abb Research Ltd | Fiber-reinforced composite system as electrical insulation |
| CN101430954A (en) * | 2008-12-11 | 2009-05-13 | 中国西电电气股份有限公司 | Production method for composite insulator silicon rubber jacket |
| CN101615455A (en) * | 2009-08-06 | 2009-12-30 | 朱笑梅 | Vacuum glue-dipping insulation pipe without air gaps and manufacture method |
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| CN101834042A (en) | 2010-09-15 |
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Owner name: CHENGDU SHENGBANG DUAL CORE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHENGDU SHENGBANG SEAL CO., LTD. Effective date: 20140507 |
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Free format text: CORRECT: ADDRESS; FROM: 610041 CHENGDU, SICHUAN PROVINCE TO: 610200 CHENGDU, SICHUAN PROVINCE |
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Effective date of registration: 20140507 Address after: 610200, No. two, 1388, Airport Road, Southwest Economic Development Zone, Shuangliu County, Sichuan, Chengdu Patentee after: CHENGDU SHENGBANG SHUANGHE TECHNOLOGY CO., LTD. Address before: 610041 No. 818, Sichuan Tibet Road, Sichuan, Chengdu Patentee before: Chengdu Shengbang Seals Co., Ltd. |