CN1406732A - Rubber product forming method and its products - Google Patents
Rubber product forming method and its products Download PDFInfo
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- CN1406732A CN1406732A CN 01131018 CN01131018A CN1406732A CN 1406732 A CN1406732 A CN 1406732A CN 01131018 CN01131018 CN 01131018 CN 01131018 A CN01131018 A CN 01131018A CN 1406732 A CN1406732 A CN 1406732A
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- Extrusion Moulding Of Plastics Or The Like (AREA)
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Abstract
A technology for producing rubber product includes such steps as quantitatively putting raw rubber material at particular position in mould, pressing, demoulding, quantitatively putting raw rubber material at another particular position in mould, pressing, demoulding, repeating said steps to obtain all the semifinished parts, sequentially putting them in original mould, and heating to obtain layer product.
Description
Technical field
The present invention is method of a kind of rubber product forming and products thereof, this method is that a certain amount of rubber raw materials is placed on the specific part of mould, take out through behind the extrusion molding respectively, insert half product of these moulding in the original mould in regular turn again, and, make and have the product that stereovision and each interlayer combine fully with the heating of certain temperature.
Background technology
Rubber can be divided into natural rubber and artificial rubber two big classes according to its characteristic, and natural rubber mainly is to gather from rubber tree to make, and rubber tree is based on Para rubber tree (Hevea rubber tree).With the bark that lancinates brokenly, collect the rubber latex of its outflow during collection.The rubber latex of Shou Jiing reaches concentrated preliminary processing procedure after filtration after coming together in rubber farming garden everywhere, is the raw material of making rubber liquid.And the manufacturing of raw rubber then need be gone through filtration, froth breaking, solidifies, cigarette smokes, air-dry or the like processing procedure.The main component of natural rubber is isoprene (isoprene), and it has physical characteristics such as outstanding elasticity and tension force, for artificial rubber can not replace.Natural rubber mainly is categorized into RSS and ADS with outward appearance; Recently also import the rubber of classifying with technical, as SMR, STR.Classify the master as below main, wherein:
ADS wind glue: ADS (Air Dried Sheet) makes skin with solidifying rubber with the Sheet autofrettage, and cigarette does not smoke, and makes with the hot-air drying.To have impurity few because of it, light color, and the characteristic that physical property is outstanding is so be widely used in the rubber of light color or bright look.
The RSS smoked sheet: smoked sheet is industrial the most frequently used raw material, and various natural rubbers about 75% smoke rubber for cigarette.The RSS smoked sheet then is the mainstream product of smoked sheet.Being fabricated to of smoked sheet filtered the rubber latex of gathering, solidified, made flat skin after froth breaking and the rolling, place again smoke in the smoke-box that cigarette smokes drying and product.Present domestic main body entrance smoked sheet is main with RSS (Ribbed Smoked Sheet, rib line cigarette smokes skin), is large with RSS#3 (being commonly called as glue No. 3) again.And this RSS smoked sheet has outstanding elasticity, anti-open and tension such as splits at physical property, so be widely used in the rubber industry.The shortcoming aspect is because its long molecular link needs special mastication.And, cause the inconvenience of carrying and operation because of its every about non-packed of 111.11 kilograms.
In addition, also has STR standard glue, SKIM standard glue and LATEX rubber liquid.
The major defect of natural rubber is:
1) region of Sheng Chaning is strong, causes cost of transportation higher;
2) output is limited, inadequately Quan Qiu consumption;
3) characteristic of natural rubber can not satisfy actual demand.
Seek reasons such as the unavailable characteristic of natural rubber, scientist has researched and developed various artificial rubber, to remedy the deficiency of natural rubber.
The progress of petro chemical industry in recent years is at a tremendous pace, various artificial rubber constantly develops out, not only fill up the deficiency that natural rubber is produced in a large number, and, more can adapt to the needed special rubber raw materials requirement of human scientific and technological progress because of it has different physical characteristics and unique chemical character.Artificial rubber is of a great variety, and the characteristic of having nothing in common with each other and the scope of application mainly contain following several at present:
SBR styrene butadiene rubbers (SBR);
Butyl rubber (IIR);
BR (fourth M alkene rubber);
Silicon rubber (SILICONE);
The fine butadiene rubber of propylene (NBR);
Fluorine unpigmented rubber (FKM);
Ethene one acrylic rubber (EPDM);
Chlorosulfonated polyethylene (CSM);
The flat rubber of chlorine (CR);
Haloflex (CM);
Isoprene rubber (IR);
Acryl rubber (ACM).
Wherein, SBR generally uses synthetic rubber, and a large amount of production accounts for whole elastomeric outputs about 65% at present; SBR is styrene (C
6H
5CH=CH
2) and butadiene (CH
2=CH-CH=CH
2) co-polymer, make with the emulsion polymerization method, can be divided into two big classes according to polymerization temperature, be called hot rubber 40-50 ℃ polymerization person, be cold rubber 5-10 polymerization person.The SBR that low temperature polymerization generates is that range of molecular weight distributions is little, and the branch of molecule is few, is rich in systematicness, and character is better than hot polymerized rubber.
Except emulsion polymerization, also there is the SBR of polymerisation in solution to produce at present, it has following advantage than emulsion polymerization SBR:
1) rolling is shunk, and extrusion is expanded few, surface smoothing;
2) the stream module feature is good;
3) the antifriction consumption is good;
4) can highly fill, reduce the cost.
From the above mentioned as can be known, rubber is a material that contaminative is lower, and general traditional rubber is made the method for moulding, monochromatic rubber can only be inserted in the mould at every turn, with its extrusion molding, as desire when this in type rubber adds trickle vivid thing, can only they be combined with bonding method, for example, the trade mark practice on the surfboard now, being the base of elder generation with rubber extrusion molding trade mark, is raw material with PVC, by the mode of ejection formation again, after required pictorial trademark or literal created, again with branded goods with bonding method, combine with base, its major defect is:
1, the material because of manufacturing mark is different with the material of base, and is not easy to combine, and is with bonding mode, and it is combined, and easilier comes off after immersion;
2, PVC is a contaminative material, so do not meet the environmental protection demand.
Summary of the invention
At above-mentioned various shortcomings, the inventor adheres to this industry experience for many years of being engaged in, and through repeatedly constantly making great efforts research and experiment, creates technical scheme of the present invention finally.
Main purpose of the present invention provides method of a kind of rubber product forming and products thereof, be that a certain amount of rubber raw materials is placed on the specific part of mould, take out through behind the extrusion molding, again a certain amount of rubber raw materials is placed on another specific part of this mould, take out through behind the extrusion molding, constantly repeat above-mentioned steps, finish up to all own extrusion molding of half required product, insert half product of these moulding in the original mould in regular turn again, and with certain temperature heating, can with the rubber of trace with extrusion molding after, it is placed in the original mould with the rubber main body that cooperates, pressing and forming once more reaches it is closely linked, and makes the purpose of the multiple variation product of tool.
The object of the present invention is achieved like this: a kind of method of rubber product forming is characterized in that: it comprises following comprising:
(1) earlier with mould and die preheating;
(2) cut the rubber of certain volume in the mode of cutting again after, this rubber is placed in the mould of preheating and specifies part, again temperature is heated to uniform temperature, carry out extrusion molding, through certain hour, with this half product of extrusion molding take out;
(3) will place this mould as the rubber of main body, simultaneously, half product behind extrusion molding be placed the appointment part;
(4) with this mold heated to uniform temperature, carry out pressing, take out through behind the certain hour, make a kind of rubber extrusion molding of trace, again it is placed in the original mould with the rubber main body that cooperates, extrusion molding once more, and it is closely linked, make the product of the multiple surface variations of tool.
The moulding heating-up temperature in this per step is 150 ℃.Be 300 seconds the heat time heating time in this per step.
A kind of rubber product is characterized in that: it is to have the product that stereovision and each interlayer combine fully.
Further specify below in conjunction with preferred embodiment and accompanying drawing
Description of drawings
Fig. 1 is a manufacturing process schematic diagram of the present invention.
The specific embodiment
Consult shown in Figure 1ly, the present invention is a kind of method of rubber product forming, and it comprises following steps:
(1) earlier with mould and die preheating;
(2) cut the rubber of certain volume in the mode of cutting again after, be placed in the mould of preheating and specify part, present embodiment is mould letter place, temperature is heated to 150 ℃ again, after carrying out extrusion molding, through 300 seconds, with this half product taking-up of extrusion molding;
(3) with another through cutting the rubber that is suitable shape, be placed on that another specifies part in the mould of preheating, present embodiment be the edge in the letter periphery, temperature is heated to 150 ℃ again, after carrying out extrusion molding, through 300 seconds, with the half product taking-up of extrusion molding;
(4) will place this mould as the rubber of main body (present embodiment is the base of letter), simultaneously, half product behind extrusion molding be placed the appointment part in regular turn;
(5) with this mold heated to 150 ℃, carry out pressing, after 300 seconds, take out, after so can obtaining a kind of rubber extrusion molding with trace, again it is placed in the original mould with the rubber main body that cooperates, extrusion molding once more, and it is closely linked, and have the product of multiple variation.
In sum, because the not only more traditional method for making of rubber of the present invention is simple, and the product of being made is to make for the material of non-polluting, more meets environmental protection requirement, and therefore, the present invention is a desirable invention in fact.
The above is preferred embodiment of the present invention only, is not in order to limiting protection scope of the present invention, all according to the described content of the application, with and the equivalence of the variation done of spirit implement, all should be contained within protection scope of the present invention.
Claims (4)
1, a kind of method of rubber product forming is characterized in that: it comprises following comprising:
(1) earlier with mould and die preheating;
(2) cut the rubber of certain volume in the mode of cutting again after, this rubber is placed in the mould of preheating and specifies part, again temperature is heated to uniform temperature, carry out extrusion molding, through certain hour, with this half product of extrusion molding take out;
(3) will place this mould as the rubber of main body, simultaneously, half product behind extrusion molding be placed the appointment part;
(4) with this mold heated to uniform temperature, carry out pressing, take out through behind the certain hour, make a kind of rubber extrusion molding of trace, again it is placed in the original mould with the rubber main body that cooperates, extrusion molding once more, and it is closely linked, make the product of the multiple surface variations of tool.
2, the method for rubber product forming according to claim 1 is characterized in that: the moulding heating-up temperature in this per step is 150 ℃.
3, the method for rubber product forming according to claim 1 is characterized in that: be 300 seconds the heat time heating time in this per step.
4, the product made of a kind of method with claim 1 is characterized in that: it is to have the product that stereovision and each interlayer combine fully.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01131018 CN1406732A (en) | 2001-08-31 | 2001-08-31 | Rubber product forming method and its products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01131018 CN1406732A (en) | 2001-08-31 | 2001-08-31 | Rubber product forming method and its products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1406732A true CN1406732A (en) | 2003-04-02 |
Family
ID=4670312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01131018 Pending CN1406732A (en) | 2001-08-31 | 2001-08-31 | Rubber product forming method and its products |
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|---|---|
| CN (1) | CN1406732A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111775391A (en) * | 2019-04-04 | 2020-10-16 | 上海库石医疗技术有限公司 | Structure for embedding flexible sheet in rubber product and method thereof |
-
2001
- 2001-08-31 CN CN 01131018 patent/CN1406732A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111775391A (en) * | 2019-04-04 | 2020-10-16 | 上海库石医疗技术有限公司 | Structure for embedding flexible sheet in rubber product and method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |