CN1160178C - Production process of rubber diaphragm for vapor chamber - Google Patents
Production process of rubber diaphragm for vapor chamber Download PDFInfo
- Publication number
- CN1160178C CN1160178C CNB011265825A CN01126582A CN1160178C CN 1160178 C CN1160178 C CN 1160178C CN B011265825 A CNB011265825 A CN B011265825A CN 01126582 A CN01126582 A CN 01126582A CN 1160178 C CN1160178 C CN 1160178C
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- CN
- China
- Prior art keywords
- time
- vulcanization
- canvas
- mould
- vapor chamber
- Prior art date
- 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 - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000004073 vulcanization Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000005987 sulfurization reaction Methods 0.000 claims description 14
- 238000010074 rubber mixing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000000047 product Substances 0.000 abstract 4
- 230000009172 bursting Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 abstract 1
- 230000006872 improvement Effects 0.000 abstract 1
- 230000035777 life prolongation Effects 0.000 abstract 1
- 239000011265 semifinished product Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 2
- 206010009866 Cold sweat Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention discloses a fabricating process of a rubber diaphragm for a vapor chamber, which is applied to an automotive braking component. The present invention comprises the following procedures: a raw material comprising a rubber sheet and canvas is prepared; vulcanization for the first time is carried out on a vulcanizing machine by a vapor chamber diaphragm mould, namely that the rubber sheet and the canvas are put in a lower mould cavity of the mould, a ferrule is folded to position the canvas, an upper mould for the vulcanization for the first time is pushed into the center of a hot plate of the vulcanizing machine after folded, the vulcanization is carried out at the set temperature and the set pressure, and the air is automatically released for three times in the process of pressure maintaining vulcanization; vulcanization for the second time is based on the vulcanization for the first time, firstly, the upper mould for the vulcanization for the first time is disassembled, and secondly, a second rubberized fabric is placed on the upper mould to fold the upper mould for the vulcanization for the second time, the vulcanization process is the same with that of the vulcanization for the first time, and finally, the diaphragm is trimmed, checked and put into a warehouse after demoulded and cooled. The present invention solves the problem that the canvas can not center at the cross section of the product. The present invention has the advantages of product bursting strength enhancement, product service life prolongation, process difficulty reduction, product quality improvement and manufacturing cost reduction. Simultaneously, the present invention reduces the requirement for the thickness of the rubber sheet of the semifinished product.
Description
Technical field
The present invention relates to the manufacture craft of the rubber diaphragm for vapor chamber in the automobile brake parts.
Background technology
Rubber diaphragm for vapor chamber is in load carrying ability various more than 3 tons, core part in the heavy motor vehicle brake component, be related to ride safety of automobile, automobile has anticyclonic pressure about 0.8MPa at glancing impact, this air pressure promotes rubber diaphragm for vapor chamber and then promotes push rod forward, propelling thrust is passed to the brake paster in the wheel hub at last and reach the brake purpose, the vital part so rubber diaphragm for vapor chamber is absolutely necessary in each automobile, Just because of this, finished product requirement to rubber diaphragm for vapor chamber is that the world or the SAEJ1450-88 of american car engineering association standard all have strict demand, stand life test for example, leakage measuring instrumentation under the room temperature, low temperature is estimated, the test of low temperature return, durability test, finished product burst strength or the like.And the index of quality of diaphragm of rubber finished product and its manufacture craft are closely bound up, all adopt the one-shot forming sulfuration according to the home and abroad convention, but there are many shortcomings in the one-shot forming sulfuration, at first, can't solve canvas accentric key quality problem, cause influencing the product inherent quality, reduced service life, can't guarantee 1,000,000 times service life, qualification rate is reduced, waster increases, and causes factory cost to raise; Secondly, to half-blank film gauge accuracy requirement height, technology difficulty is big, also is one of reason that increases in waste product; The 3rd, production facilities has high input, and large-scale flattening mill must be arranged; The 4th, power, manpower consumption are big, and it is many to take plant area, and productive costs is obviously increased, and are unfavorable for that product participates in market competition.
Summary of the invention
Technical matters to be solved by this invention provides a kind of post-cure forming process of rubber diaphragm for vapor chamber, with the problem placed in the middle of solution canvas with to the too high problem of half-blank film thickness requirement, thereby the reduction technology difficulty is improved the quality of products, and reduces manufacturing cost.
The present invention is directed to technical matters to be solved, the technical scheme of its enforcement is: the manufacture craft of rubber diaphragm for vapor chamber is characterized in that:
A. get the raw materials ready: be ready to by the rubber mixing machine making and by film and canvas after the specification cutting metering;
B. primary vulcanization: the film after will measuring is put into to cover after the Dome diaphragm mould lower impressions again and is gone up canvas, the closed die lasso is located canvas, after the primary vulcanization that closes on the vulcanizer is with patrix, mould is pushed vulcanizer hot plate center, at the curing temperature of setting is that 165-175 ℃, dwell pressure are to carry out primary vulcanization under the condition of 16-20MPa, automatic deflation is 3 times in the pressurize curing process, and the pressurize sulfuration reaches certain hour after cure machine and opens automatically; C. sulfuration for the second time: the mould of primary vulcanization is pulled out, open patrix, put second film after the metering into mold cavity and close sulfuration patrix for the second time, again mould is pushed vulcanizer hot plate center, at the curing temperature of setting is that 165-175 ℃, dwell pressure are to carry out second time under the 16-20MPa condition to vulcanize, automatic deflation is 3 times in the pressurize curing process, and automatic die sinking took out product after the pressurize sulfuration reached 4-4.5 minute, and with this repetition operation that circulates; D. after treating the cooling of depanning product, prune by the finished product dimensional characteristic; E. check is put in storage.
Described first and second time curing temperature is 170 ℃.
Described dwell pressure is 18MPa.
Described pressurize time of cure is 4 minutes.
The present invention carries out rubber diaphragm for vapor chamber branch post-cure technology by Dome diaphragm mould on a vulcanizer, thereby efficiently solve the placed in the middle problem of canvas at the product section, technical barrier is since the dawn of human civilization broken through, product burst strength and service life have been improved, since in producing to the reduction of half-blank film thickness requirement, reduce productive costs so alleviated technology difficulty, improved the market competitiveness.
The specific embodiment
Below will with the product specification diameter be Φ 200, thickness to be 39 millimeters be example, and in conjunction with the embodiments manufacture craft of the present invention is described in detail again.
The preparation of film, canvas raw material: the film thickness by rubber mixing machine production is the 5-5.5 millimeter, being cut into diameter is the specification of 125 millimeters of Φ 120-Φ, require the no bubble in film surface, impurity, measure with pharmacist balance, primary vulcanization restrains with film 96, sulfuration for the second time restrains with film 94, permissible variation soil 0.5 gram; Canvas adopts the Chinese patent product of Wuxi canvas factory, and its publication number is 1266919, is cut into 270 * 270 millimeters squares, requires lucifuge, and with black plastic bag Bao Yan, the sulfuration fashionable dress mould process of taking out all will be noted can not be contaminated and attach impurity.
It number is 01210777.8 Dome diaphragm mould that mould of the present invention adopts Chinese patent application, could begin primary vulcanization after requiring mold temperature to reach 148 ℃ ± 5 ℃, film is put into the Dome diaphragm mould lower impressions, canvas is put in above it, lasso closes, with the canvas location, the primary vulcanization that closes pressurizes with patrix, automatic deflation 3 times, automatically realize lifting venting by vulcanizer, equally, automatic die sinking behind the pressurize sulfuration certain hour is pulled out mould.The second time, curing process was identical with the first time, but sulfuration must shed the primary vulcanization patrix for the second time, puts second adhesive plaster then, and closed to vulcanize for the second time and use patrix, treated at last to prune and check warehouse-in after the product depanning is lowered the temperature.
Embodiment 1: in vulcanizing for the first time and for the second time, and pressurization 18MPa, 165 ℃ of curing temperatures, pressurize time of cure 4 minutes, the product burst strength 3.0-3.4MPa of acquisition.
Embodiment 2: in vulcanizing for the first time and for the second time, and pressurization 18MPa, 175 ℃ of curing temperatures, pressurize time of cure 4 minutes, the product burst strength 3.3-4.0MPa of acquisition, this moment is clamminess in the surface.
From the foregoing description as can be known, with 170 ℃ of curing temperatures, pressurize time of cure 4 minutes, carry out 2 times technological condition the best, obtain product burst strength height, and solved the canvas eccentricity issues.
Claims (4)
1. the manufacture craft of a rubber diaphragm for vapor chamber is characterized in that:
A. get the raw materials ready: be ready to by the rubber mixing machine making and by film and canvas after the specification cutting metering;
B. primary vulcanization: the film after will measuring is put into to cover after the Dome diaphragm mould lower impressions again and is gone up canvas, the closed die lasso is located canvas, after the primary vulcanization that closes on the vulcanizer is with patrix, mould is pushed vulcanizer hot plate center, at the curing temperature of setting is that 165-175 ℃, dwell pressure are to carry out primary vulcanization under the condition of 16-20MPa, automatic deflation is 3 times in the pressurize curing process, and the pressurize sulfuration reaches 4-4.5 minute after cure machine and opens automatically;
C. sulfuration for the second time: the mould of primary vulcanization is pulled out, open patrix, put second film after the metering into mold cavity and close sulfuration patrix for the second time, again mould is pushed vulcanizer hot plate center, at the curing temperature of setting is that 165-175 ℃, dwell pressure are to carry out second time under the condition of 16-20MPa to vulcanize, automatic deflation is 3 times in the pressurize curing process, and automatic die sinking took out product after the pressurize sulfuration reached 4-4.5 minute, and with this repetition operation that circulates;
D. after treating the cooling of depanning product, prune by the finished product dimensional characteristic;
E. check is put in storage.
2. the manufacture craft of rubber diaphragm for vapor chamber according to claim 1, it is characterized in that: described first and second time curing temperature is 170 ℃.
3. according to the manufacture craft of weighing and require 1 described rubber diaphragm for vapor chamber, it is characterized in that: described dwell pressure is 18MPa.
4. the manufacture craft of rubber diaphragm for vapor chamber according to claim 1, it is characterized in that: described pressurize time of cure is 4 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011265825A CN1160178C (en) | 2001-08-28 | 2001-08-28 | Production process of rubber diaphragm for vapor chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011265825A CN1160178C (en) | 2001-08-28 | 2001-08-28 | Production process of rubber diaphragm for vapor chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1336276A CN1336276A (en) | 2002-02-20 |
| CN1160178C true CN1160178C (en) | 2004-08-04 |
Family
ID=4666594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011265825A Expired - Lifetime CN1160178C (en) | 2001-08-28 | 2001-08-28 | Production process of rubber diaphragm for vapor chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1160178C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100450738C (en) * | 2006-08-11 | 2009-01-14 | 宁国市海天力工业发展有限公司 | Production method of steam chest rubber diaphram |
| CN101987494B (en) * | 2010-11-12 | 2012-11-14 | 宁国市海天力工业发展有限公司 | Automotive brake chamber rubber diaphragm cycle molding device |
| CN102785309B (en) * | 2012-08-31 | 2015-02-11 | 宁波乔士橡塑有限公司 | Mould, mould base and process for one-time forming of canvas of air chamber rubber diaphragms |
| CN105082562B (en) * | 2013-12-30 | 2017-08-22 | 南京金三力高分子科技有限公司 | A kind of special-shaped saturated nitrile rubber presss from both sides the manufacture method of cloth diaphragm |
| CN105835283A (en) * | 2016-03-25 | 2016-08-10 | 德特威勒密封技术（安徽）有限公司 | Production process of rubber diaphragm in automobile brake air chamber |
| CN108381831A (en) * | 2018-02-11 | 2018-08-10 | 江苏神通阀门股份有限公司 | A kind of vulcanization formation method of intermediate patch canvas rolling diaphragm |
| CN114378997A (en) * | 2022-01-18 | 2022-04-22 | 四川隆盛科发实业有限公司 | Production method of U-shaped sealing ring containing clamping cloth |
-
2001
- 2001-08-28 CN CNB011265825A patent/CN1160178C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1336276A (en) | 2002-02-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO QIAOSHI RUBBER CO., LTD. Free format text: FORMER OWNER: ZHU XIANQIAO Effective date: 20061215 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20061215 Address after: 315470, Zhejiang, Yuyao Province Town West Industrial Zone, Ningbo Qiao Rubber Co., Ltd. Patentee after: Ningbo Qiaoshi Rubber & Plastics Co., Ltd. Address before: 315470, Ningbo, Zhejiang province Yuyao Town, Zhenxing Road, 142, Joe Rubber Company Patentee before: Zhu Xianqiao |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20040804 |