CN102285129B - Process for producing rubber tube - Google Patents
Process for producing rubber tube Download PDFInfo
- Publication number
- CN102285129B CN102285129B CN 201110200319 CN201110200319A CN102285129B CN 102285129 B CN102285129 B CN 102285129B CN 201110200319 CN201110200319 CN 201110200319 CN 201110200319 A CN201110200319 A CN 201110200319A CN 102285129 B CN102285129 B CN 102285129B
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- Prior art keywords
- capsule
- sebific duct
- rubber tube
- forming
- moulding
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 229920001971 elastomer Polymers 0.000 title claims abstract description 26
- 239000002775 capsule Substances 0.000 claims abstract description 44
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- 238000000465 moulding Methods 0.000 claims description 21
- 238000005987 sulfurization reaction Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 229920005549 butyl rubber Polymers 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000004073 vulcanization Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 239000004744 fabric Substances 0.000 abstract description 11
- 238000004804 winding Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 9
- 238000009740 moulding (composite fabrication) Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005486 sulfidation Methods 0.000 description 1
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention relates to a process for producing a rubber tube, which comprises the following steps of: selecting a capsule with corresponding specification according to the size requirement of the rubber tube, directly forming on the surface of the capsule and expelling air bubbles which are involved in a winding process by using a copper brush after finishing forming; putting the formed rubber tube and the capsule into a pre-heated cavity of a mold; putting the mold into a flat-plate vulcanizing machine, closing the mold, driving air pressure in the capsule to vulcanize; and finishing vulcanizing, relieving pressure and pulling out the capsule to obtain the rubber tube. The product produced through the process provided by the invention has good quality and no phenomena such as bubbles, rubber gaps, burs and the like. In addition, the process for producing the rubber tube can obtain good quality of the product without using a water-bag fabric after forming the rubber tube, so that the forming process is simple and convenient, the production efficiency is increased and the production cost is saved.
Description
Technical field
The present invention relates to a kind of Novel rubber pipe production technology.
Background technology
Existing process for producing rubber tube mainly adopts core rod preformed or direct blowing in mold cavity, at first at the die surface coating release agent, then in the die surface moulding, the complete rear outer one deck water cloth that coats of moulding, pressurize at mould at last, make rubber be full of die cavity by external pressure and vulcanize.For example, the patentee is for disclosing the rubber tube that this production technology is made among the patent CN2878852Y of Liu Jianping and the CN1302912C, and above-mentioned two pieces of patent documentations are attached to here by reference.There is following critical defect in this production technology when producing sebific duct:
(1) before moulding on the capsule, most of manufacturer all need to be at the capsule surface separant coating, and the effect of interleaving agent is to prevent that capsule and rubber product surface are bonded together and can't the demoulding.But, because interleaving agent is penetrated into the inner surface of rubber easily after being coated onto capsule surface, so can cause rubber inner surface glue-line Poor cohesion, affect product quality, and interleaving agent is the perishable rubber tube inner surface of chemicals.
(2) after the existing sebific duct moulding, to coat water cloth at outer surface, if cross wrap, a, the air that involves in the sebific duct forming process can't be discharged, and the low molecular weight gas that produces in the sulfidation also can't evenly be discharged, thereby cause gas in local accumulation, produce inside or blibbing, have a strong impact on product quality; B, after sulfuration is finished, water cloth can with the sebific duct outer wall with good adherence of, cause demoulding difficulty, and can't obtain ganoid product; C, use water cloth vulcanizate surface glue are without resilience.
In addition, existing technique has and also comprises two kinds, and the first vacuumizes the sulfuration method, need to punch at mould, reserve and vacuumize groove, and mould is complicated, troublesome poeration, and vacuumize and need relevant plant equipment, investment is large, and power consumption is high; It two is cold mould sulfuration methods, and the method requires cold mould filler gum or shaped article, so that sizing material obtains good flowability in mould, but the method, the sulfuration power consumption is large, and each product need to be increased to curing temperature from room temperature when vulcanizing.Vulcanize same product, cold mould sulfuration power consumption is more than 5 times of hot-die sulfuration, and production efficiency is low.
Summary of the invention
Consider the problems referred to above and finished the present invention, and one object of the present invention is to provide a kind of process for producing rubber tube, it has solved the quality problems such as product external surfaces bubble or decortication in the existing rubber hose production of prior art, and solved because the sebific duct hose lining that releasing agent causes is bonding not firm the problem that constant product quality is poor.This production technology comprises the steps:
I, according to the sebific duct dimensional requirement, select the capsule of dimension, at the described sebific duct of capsule surface straight forming, the complete bubble that involves in the process of the described sebific duct of moulding of driving out of with copper brush of moulding, wherein said capsule is made by butyl rubber, before described sebific duct moulding, capsule surface need not separant coating;
II, sebific duct and the capsule of forming are put into the mold cavity that heats in advance;
III, mould is put into vulcanizing press, matched moulds is squeezed into air pressure in capsule, once vulcanize;
IV, once the sulfuration finish, capsule is deviate from release, obtains sebific duct.
According to a further aspect of the invention, after the sebific duct moulding, with copper brush the sebific duct surface is beaten, to drive described bubble out of, and the said minuscule hole that stays on the sebific duct surface after beaing is not so that the discharge of the gas uniform that produces during the sebific duct sulfuration can cause because of the local cluster of gas sebific duct surface and the inner bubble that produces.Advantageously, by beaing of copper brush effects on surface, saved and used water cloth to the process that skin coats, simplified processing technology, and obtained better product appearance.
According to a further aspect of the invention, with sebific duct and capsule continuous vulcanization in preheated mold of forming.Advantageously, this has saved the energy so that the present invention no longer needs cold mould baking, has improved production efficiency.
According to a further aspect of the invention, twine hose lining, casing play and outer layer glue at capsule, with at the described sebific duct of capsule surface straight forming.Preferably, described casing play can be multilayer.
According to a further aspect of the invention, described technique also comprises step: V, sebific duct is carried out post-cure.
The good product quality that the present invention produces is without phenomenons such as bubble, starveds.In addition, the present invention need not to use water cloth can obtain good product quality after the sebific duct moulding, makes moulding process more succinct, convenient, has reduced man-hour, has improved production efficiency, has saved production cost.
Description of drawings
Fig. 1 is the hard core rod schematic diagram that traditional handicraft adopts;
Fig. 2 is a kind of rubber tube (bellows) schematic diagram that utilizes traditional processing technology to produce;
Fig. 3 utilizes traditional processing technology to produce the schematic flow sheet of bend pipe;
Fig. 4 is the capsule schematic diagram that adopts according to the preferred embodiment of the present invention;
Fig. 5 is the schematic diagram of a kind of sebific duct (bellows) of going out of explained hereafter according to the preferred embodiment of the invention;
Fig. 6 is the schematic flow sheet of explained hereafter bend pipe according to the preferred embodiment of the invention.
Description of reference numerals: 1, hard core rod, 2, interleaving agent, 3, water cloth, 4, starved war proclamation place, 5, bubble, 6, pore, 7, burr, 8, capsule, a, b, c, segmentation hard core rod
The specific embodiment
Describe the preferred embodiment of the present invention in detail referring now to Fig. 1-6.
Referring to Fig. 1-3, Fig. 1 is the hard core rod schematic diagram that traditional handicraft adopts, and wherein scribbles interleaving agent 2 on this hard core rod 1.Fig. 2 is a kind of rubber tube (bellows) schematic diagram that utilizes traditional processing technology to produce, and wherein this bellows is coated with water cloth 3 when producing, and has occurred starved war proclamation place 4, bubble 5, pore 6 and burr 7 on this bellows.Fig. 3 utilizes traditional processing technology to produce the schematic flow sheet of bend pipe, wherein utilizes segmentation hard core rod a, b, c to produce described bend pipe, and has starved war proclamation place 4, bubble 5 and pore 6 in the bend pipe.
Referring to Fig. 4-6, capsule 8 used in the present invention wherein has been shown among Fig. 4, the schematic diagram that utilizes production technology of the present invention to produce bellows and bend pipe has been shown among Fig. 5-6.Wherein, capsule 8 is directly as core rod of the present invention, it is tartan---butyl rubber, what it was the most outstanding is air-tightness and watertightness, it only is 1/7 of natural rubber to the transmitance of air; 1/5 of butadiene-styrene rubber, then is 1/200 of natural rubber to the transmitance of steam, 1/140 of butadiene-styrene rubber.Therefore, when the capsule surface moulding, need not to use interleaving agent can realize product stripping, and the product inner wall smooth of producing.
Get back to Fig. 4-6, the invention provides a kind of process for producing rubber tube, comprise the steps:
I, according to the rubber tube dimensional requirement, select the capsule 8 of dimension, at the described sebific duct of capsule 8 surperficial straight formings, the complete bubble that involves in the process of the described sebific duct of moulding of driving out of with copper brush of moulding, wherein said capsule 8 is made by butyl rubber, before described sebific duct moulding, capsule 8 surfaces need not separant coating;
II, sebific duct and the capsule 8 of forming are put into the mold cavity that heats in advance;
III, mould is put into vulcanizing press, matched moulds is squeezed into air pressure in capsule, once vulcanize;
IV, once the sulfuration finish, capsule 8 is deviate from release, obtains rubber tube.
Preferably, also can carry out post-cure to sebific duct as required, obtain finished product.
Preferably, after the sebific duct moulding, with copper brush the sebific duct surface is beaten, driving described bubble out of, and the said minuscule hole that stays on the sebific duct surface after beaing is not so that the discharge of the gas uniform that produces during the sebific duct sulfuration can cause because of the local cluster of gas sebific duct surface and the inner bubble that produces.Advantageously, by beaing of copper brush effects on surface, saved the process of using 3 pairs of skins of water cloth to coat, simplified processing technology, and obtained better product appearance.
Preferably, with sebific duct and capsule 8 continuous vulcanization in preheated mold of forming.Advantageously, this has saved the energy so that the present invention no longer needs cold mould baking, has improved production efficiency.Preferably, twine hose lining, casing play and outer layer glue at capsule 8, with at the described sebific duct of capsule surface straight forming, in the process of twining, may leave bubble.Preferably, described casing play can be multilayer, and described casing play can be comprised of fiber-reinforced layer.
The present invention has not only solved the quality problems such as product external surfaces bubble, decortication, burr in the existing rubber hose production of prior art, and solved because the sebific duct hose lining that releasing agent causes is bonding not firm, the problem that constant product quality is poor, the good product quality of producing is without phenomenons such as bubble, starved, burrs.In addition, the present invention need not to use water cloth can obtain good product quality after the sebific duct moulding, makes moulding process more succinct, convenient, has reduced man-hour, has improved production efficiency, has saved production cost.
The present invention is not limited to above-mentioned specific embodiment, is understandable that, under the situation that does not break away from the spirit and scope of the present invention of asking for protection, those skilled in the art can make various distortion.
Claims (5)
1. a process for producing rubber tube is characterized in that comprising the steps:
I, according to the sebific duct dimensional requirement, select the capsule of dimension, at the described sebific duct of capsule surface straight forming, the complete bubble that involves in the process of the described sebific duct of moulding of driving out of with copper brush of moulding, wherein said capsule is made by butyl rubber, before described sebific duct moulding, capsule surface need not separant coating;
II, sebific duct and the capsule of forming are put into the mold cavity that heats in advance;
III, mould is put into vulcanizing press, matched moulds is squeezed into air pressure in capsule, once vulcanize;
IV, once the sulfuration finish, capsule is deviate from release, obtains sebific duct;
Wherein, after the sebific duct moulding, with copper brush the sebific duct surface is beaten, driving described bubble out of, and the said minuscule hole that stays on the sebific duct surface after beaing is not so that the discharge of the gas uniform that produces during the sebific duct sulfuration can cause because of the local cluster of gas sebific duct surface and the inner bubble that produces.
2. technique according to claim 1 is characterized in that: with sebific duct and capsule continuous vulcanization in preheated mold of forming.
3. technique according to claim 2 is characterized in that: twine hose lining, casing play and outer layer glue at capsule, with at the described sebific duct of capsule surface straight forming.
4. technique according to claim 3, it is characterized in that: described casing play is multilayer.
5. technique according to claim 1 characterized by further comprising step: V, sebific duct is carried out post-cure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110200319 CN102285129B (en) | 2011-07-18 | 2011-07-18 | Process for producing rubber tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110200319 CN102285129B (en) | 2011-07-18 | 2011-07-18 | Process for producing rubber tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102285129A CN102285129A (en) | 2011-12-21 |
| CN102285129B true CN102285129B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110200319 Active CN102285129B (en) | 2011-07-18 | 2011-07-18 | Process for producing rubber tube |
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| Country | Link |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105619668A (en) * | 2014-10-29 | 2016-06-01 | 安徽中鼎胶管制品有限公司 | Process method for rubber tube vulcanization |
| CN104626627A (en) * | 2015-02-02 | 2015-05-20 | 柳州市二和汽车零部件有限公司 | Rubber pipe production method |
| CN105538558B (en) * | 2016-02-03 | 2018-09-28 | 湖北华强科技有限责任公司 | A kind of no cloth rubber air guide lengthy bellows and its molding machine and forming method |
| CN113665149B (en) * | 2021-08-16 | 2023-05-05 | 浙江峻和科技股份有限公司 | Corrugated silica gel tube and production process thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792620A (en) * | 2005-12-30 | 2006-06-28 | 刘建平 | Tech, for producing sebific duct of silicon rubber and special mould core thereof |
| CN101559636A (en) * | 2008-04-15 | 2009-10-21 | 上海固特机械有限公司 | Three-stage capsule vulcanizing machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07171835A (en) * | 1993-12-17 | 1995-07-11 | Bridgestone Corp | Vulcanizing mold and release device |
| KR100239086B1 (en) * | 1997-08-26 | 2000-01-15 | 홍건희 | Bellows producing method of air spring for a car |
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2011
- 2011-07-18 CN CN 201110200319 patent/CN102285129B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792620A (en) * | 2005-12-30 | 2006-06-28 | 刘建平 | Tech, for producing sebific duct of silicon rubber and special mould core thereof |
| CN101559636A (en) * | 2008-04-15 | 2009-10-21 | 上海固特机械有限公司 | Three-stage capsule vulcanizing machine |
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| CN102285129A (en) | 2011-12-21 |
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| ASS | Succession or assignment of patent right |
Owner name: XIAMEN CHUANGXINYUAN RUBBER + PLASTIC PRODUCTS CO. Free format text: FORMER OWNER: FU'AN DONGFENG RUBBER PRODUCTS CO., LTD. Effective date: 20120720 |
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Free format text: CORRECT: ADDRESS; FROM: 355000 NINGDE, FUJIAN PROVINCE TO: 361100 XIAMEN, FUJIAN PROVINCE |
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Effective date of registration: 20120720 Address after: 361100 Fujian province Xiamen city Tongan Chengnan Industrial Zone No. 2 Xia BIOLUX Applicant after: XIAMEN CHUANGXINYUAN RUBBER PRODUCTS Co.,Ltd. Address before: 355000 Fu'an Fujian Industrial Zone, Central Taiwan Road Applicant before: FUAN DONGFENG RUBBER PRODUCTS Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Production process of rubber pipe Effective date of registration: 20221122 Granted publication date: 20130417 Pledgee: Xiamen Jinyuan Financing Guarantee Co.,Ltd. Pledgor: XIAMEN CHUANGXINYUAN RUBBER PRODUCTS Co.,Ltd. Registration number: Y2022980023054 |
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Change date: 20240826 Registration number: Y2022980023054 Pledgee after: Xiamen Jianfa Financing Guarantee Co.,Ltd. Pledgee before: Xiamen Jinyuan Financing Guarantee Co.,Ltd. |