CN101181821A - Method for making foaming silicon rubber loop - Google Patents
Method for making foaming silicon rubber loop Download PDFInfo
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- CN101181821A CN101181821A CNA2007100323671A CN200710032367A CN101181821A CN 101181821 A CN101181821 A CN 101181821A CN A2007100323671 A CNA2007100323671 A CN A2007100323671A CN 200710032367 A CN200710032367 A CN 200710032367A CN 101181821 A CN101181821 A CN 101181821A
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- silicon rubber
- foaming silicon
- rubber loop
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- carbon dust
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Abstract
The invention relates to a production method of foaming silicon rubber rings. The steps in sequence adopted are: (1) cutting long foaming silicon rubber into prearranged length; (2) coating Loctit 596 adhesive on end face of a foaming silicon rubber strip cut in the step (1); (3) leading the end faces of the foaming silicon rubber strip obtained in the step (2) to be aligned and attached, standing silently. The production method of the rubber rings applies simple production equipment and short production process period, and the foaming silicon rubber rings obtained have good adhesive intensity and notable environmental and economic benefits.
Description
Technical field
The present invention relates to the preparation method of foaming silicon rubber loop, particularly the foamed silastic rod with strip is the method that raw material is made the ring-type cushion rubber.
Background technology
Integrated handle box or split type handle box are to provide the appearance storage of carbon dust and so on developer and the container of supply for office equipment such as laser copier, laser printers.Usually after the carbon dust that is installed in handle box exhausts, need refill carbon dust to it and just can be used for follow-up duplicating or print job.The carbon dust that is filled with generally requires to be stored in the bottled carbon dust container of capacity specifications correspondence according to different reserves.On the other hand, the carbon dust that supplier puts on market adopts tens of to hundreds of kilograms mostly, and for example the barreled of 40,80 or 400 kilograms of capacity or packed form are packed.In the carbon dust bottle of different size, should satisfy this big barreled carbon dust secondary packaging dispensing apparatus and not have the carbon dust leakage, the packaging environment sanitation and hygiene, packed carbon dust is not subjected to the requirement of outside contamination.
Yet in existing production process, the most of carbon dust bottle placers that adopted generally all are to divide reserve storage in the process of assembling by its feed bin that carries as carbon dust.Its feed bin only has tens of kilograms capacity, and the carbon dust reserves are less.When utilizing this powder-filling machine fro powder filling, need pack big barreled carbon dust branch in the feed bin of powder-filling machine fro into, and generally all adopt manual mode to finish of the transhipment of big barreled carbon dust, install in the carbon dust bottle from powder-filling machine fro feed bin branch again to the powder-filling machine fro feed bin.Because carbon dust leaks, usually cause the working environment dust content big, seriously polluted in packing and pouring process, workman's manipulation strength is also very big.
Solve common methods that carbon dust leaks and be and use achieve a butt joint sealing effect between the position of rubber-like sealing ring at the corresponding interface position of carbon dust bottle placer.But, owing to contain organic compound in the PUR that the carbon dust microparticle surfaces coats.This organic compound usually causes sealing ring to melt erosion, be clamminess or the elasticity reduction after touching sealing ring, lose sealing property, cause the corresponding interface position of carbon dust bottle placer the docking port slit to occur, the formation carbon dust leaks, so that the severe contamination working environment is simultaneously owing to extraneous dust is diffused into the quality that has influence on carbon dust in the carbon dust bottle placer along the docking port slit.
In the face of the corrosion of the organic compound in carbon dust sealing ring, cause the not good problem of carbon dust bottle placer sealing, generally select the raw material of foamed silastic (claiming silicone sponge again) for use as sealing ring.Silicon rubber is to sneak into reinforced filling by linear polysiloxane, the special synthetic elastomer that sulfuration generates under the heating pressurized conditions.Foamed silastic then is the synthetic material after foaming is handled through blowing agent acrylonitrile-styrene resin (Acrylonitrile-styreneresin).Foamed silastic has good chemical stability, and is soft and flexible, can keep good physicochemical properties in-60～250 ℃ of temperature ranges, is a kind of fabulous encapsulant.But, because the foaming and the sulfurization technology difficulty of foamed silastic are big, add that it causes the relatively poor on the contrary consequence of adhesive property owing to chemical stability is good, therefore, have only the silastic material extrusion equipment of a large amount of employing standards and strip foamed silastic that vulcanizing equipment is produced on the market as encapsulant, be difficult to see the sealing ring of annular.The sealing ring of complete circle annular has only the special-purpose foaming of employing mould to make usually, and technical difficulty is big, and the cost height has seriously limited applying of foaming silicon rubber loop.The applicant furthers investigate with regard to the technology that the strip foamed silastic is made cushion rubber, especially the technology of foamed silastic rod butt joint has been done up to a hundred times test, attempt the existing adhesive of multiple adhesive and market manufactured experimently adhesive effect respectively, finally obtained perfect relatively technical scheme foamed silastic.
Summary of the invention
The object of the invention is to provide a kind of preparation method of foaming silicon rubber loop.This preparation method is the cushion rubber that raw material is made the complete circle annular with the flexible foaming silicon rubber rod of strip.
For reaching above-mentioned purpose, method for making foaming silicon rubber loop of the present invention adopts following processing steps in sequence:
(1) foamed silastic of strip is cut to predetermined length.Then,
(2) cut the happy safe board 596 type adhesive of coating on the foamed silastic bar end face that obtains in step ().During gluing, coating binder on an end face of foamed silastic bar only, also can be respectively on two end faces of foamed silastic bar coating binder simultaneously.Institute's colloid that is coated with keeps coating evenly.Then,
(3) step (two) gained foamed silastic bar is surrounded circle and its end face is aimed at and leave standstill after fitting.
Usually, aforementioned method for making foaming silicon rubber loop, wherein the end face addressed of step (two) is the plane that is 45 with the rectangular direction of foamed silastic bar.
Preferably, aforementioned method for making foaming silicon rubber loop in implementation step (two) before, at first cleans the end face that is obtained by step () with alcohol, dries end face then.
More preferably, aforementioned method for making foaming silicon rubber loop, the measure of leaving standstill that its step (three) adopts is advisable to keep 24～48 hours state.
The present invention utilizes strip flexible foaming silicon rubber general on the market as the raw materials for production of making foaming silicon rubber loop, the safe board 596 of pleasure (Loctite596) the type bonding agent that adopts market to sell prepares sealing ring, makes resulting sealing ring docking port bonding firmly.Method for making foaming silicon rubber loop of the present invention, production equipment is very simple, and the production procedure cycle is short, and the gained foaming silicon rubber loop has adhesive strength preferably, thereby greatly reduced the production technology difficulty than existing preparation technology, reduced production cost effectively.In addition, foamed silastic that method for making foaming silicon rubber loop of the present invention is selected for use and Loctite596 type bonding agent have good chemical stability, with organic compound contained in carbon dust and so on developer chemical reaction not taking place, thereby can guarantee effectively that carbon dust bottle placer the corresponding interface position obtains good sealing.Moreover, this cushion rubber preparation method is not limited to the making of foaming silicon rubber loop, also can promote the bonding position that needing between the foamed silastic to be used for, the application broadness.
The drawing explanation
The raw materials used structural representation of Fig. 1 a method for making foaming silicon rubber loop of the present invention.
The raw materials used cross sectional representation of Fig. 1 a method for making foaming silicon rubber loop of the present invention.
Fig. 2 method for making foaming silicon rubber loop gained of the present invention foaming silicon rubber loop structural representation.
The specific embodiment
Referring to Fig. 1,2, adopt the strip flexible foaming silicon rubber of selling on the market (claiming silicone sponge again), girth by required seal diameter carries out inclined cut, keeps two planar shaped end faces 2 that foamed silastic bar 1 obtains by cutting technique to be 45 with the rectangular direction α of foamed silastic bar 1.With drying behind the alcohol cleaning end face 2.On two end faces 2, smear one deck Loctite 596 adhesives immediately equably, then foamed silastic bar 1 is surrounded circle and two end face 2 is docking together, use simple anchor clamps to make them keep the state that fits tightly mutually immediately, be close to therewith and left standstill at room temperature under the state 24～48 hours, promptly form firm and resilient foaming silicon rubber loop 3.Gained foaming silicon rubber loop 3 reaches more than the 1.5MPa in the bonding hot strength of docking port position.
Loctite 596 adhesives that use in the such scheme have another name called room temperature and take off acetic acid curing type silicon rubber, are the sealants of being produced by Henkel group member Le Tai company.All available on a lot of at home markets of Loctite 596 adhesives, for example Henkel Beijing office (No. 38 flourishing age mansion Room 905, Xiaoyun Road, Chaoyang District, Beijing City), Henkel Asia-Pacific headquarter (No. 928, ZhangHeng Road, ZhangJiang High Science ﹠ Technology Park, PuDong, Shanghai City), Shenzhen office (mansion Room 912, Jiu Qu square, Bao'an, Shenzhen).
Method for making foaming silicon rubber loop of the present invention, can be according to the sealing demand of different bores, make the sealing ring of size, shape arbitrarily very simply, quickly and easily, adapting to carbon dust to containing organic compound and so on the seal request of developer in minute process of assembling, thereby the phenomenon that leaking is appearred at position, associated mechanical slit in the carbon dust that contains organic compound and so on developer provides good sealing fruitfully.Under the guide of method for making foaming silicon rubber loop of the present invention, those skilled in the art can also implement effectively bonding to the position that foamed silastic need form mutual butt joint by this technology of preparing.
Claims (4)
1. method for making foaming silicon rubber loop comprises following processing steps in sequence:
(1) foamed silastic of strip is cut to predetermined length,
(2) cut the happy safe board 596 type adhesive of coating on the foamed silastic bar end face that obtains in step (),
(3) step (two) gained foamed silastic bar is surrounded circle and its end face is aimed at and leave standstill after fitting.
2. method for making foaming silicon rubber loop according to claim 1 is characterized in that the described end face of step (two) is the plane that is 45 with the rectangular direction of foamed silastic bar.
3. method for making foaming silicon rubber loop according to claim 2 is characterized in that implementing described step (two) before, cleans described end face with alcohol earlier, dries described end face then.
4. method for making foaming silicon rubber loop according to claim 3 is characterized in that the described time of leaving standstill of step (three) is 24～48 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100323671A CN101181821A (en) | 2007-12-07 | 2007-12-07 | Method for making foaming silicon rubber loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100323671A CN101181821A (en) | 2007-12-07 | 2007-12-07 | Method for making foaming silicon rubber loop |
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| Publication Number | Publication Date |
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| CN101181821A true CN101181821A (en) | 2008-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100323671A Pending CN101181821A (en) | 2007-12-07 | 2007-12-07 | Method for making foaming silicon rubber loop |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947863A (en) * | 2010-07-23 | 2011-01-19 | 宁波舒普机电科技有限公司 | Elastic band coiling device |
| CN108127930A (en) * | 2017-12-26 | 2018-06-08 | 中国计量大学 | Electromagnetic type rubber headband device for automatically molding |
| CN108162419A (en) * | 2017-12-26 | 2018-06-15 | 中国计量大学 | Rubber headband automatic forming method |
| CN108162427A (en) * | 2017-12-26 | 2018-06-15 | 中国计量大学 | Rubber headband automatic moulding machine |
| CN108162426A (en) * | 2017-12-26 | 2018-06-15 | 中国计量大学 | Rubber headband device for automatically molding |
-
2007
- 2007-12-07 CN CNA2007100323671A patent/CN101181821A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947863A (en) * | 2010-07-23 | 2011-01-19 | 宁波舒普机电科技有限公司 | Elastic band coiling device |
| CN108127930A (en) * | 2017-12-26 | 2018-06-08 | 中国计量大学 | Electromagnetic type rubber headband device for automatically molding |
| CN108162419A (en) * | 2017-12-26 | 2018-06-15 | 中国计量大学 | Rubber headband automatic forming method |
| CN108162427A (en) * | 2017-12-26 | 2018-06-15 | 中国计量大学 | Rubber headband automatic moulding machine |
| CN108162426A (en) * | 2017-12-26 | 2018-06-15 | 中国计量大学 | Rubber headband device for automatically molding |
| CN108162427B (en) * | 2017-12-26 | 2019-10-08 | 中国计量大学 | Rubber headband automatic moulding machine |
| CN108162419B (en) * | 2017-12-26 | 2019-11-12 | 中国计量大学 | Rubber headband automatic forming method |
| CN108162426B (en) * | 2017-12-26 | 2019-12-17 | 中国计量大学 | Automatic forming device for rubber hair ring |
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Application publication date: 20080521 |