CN102380962B - Method for retreading tires - Google Patents
Method for retreading tires Download PDFInfo
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- CN102380962B CN102380962B CN 201110306054 CN201110306054A CN102380962B CN 102380962 B CN102380962 B CN 102380962B CN 201110306054 CN201110306054 CN 201110306054 CN 201110306054 A CN201110306054 A CN 201110306054A CN 102380962 B CN102380962 B CN 102380962B
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- tire
- carcass
- belt
- wirecord fabric
- fabric line
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Abstract
The invention discloses a method for retreading tires. The method comprises the following steps: segmenting raw tires and taking out tire bodies and belted layers; selecting and polishing relative complete tire bodies and belted layers for later use; recombining the selected tire bodies with belted layers one to one, thereby forming tire bases; and then arranging an anti-explosion wire layer, a middle cushion rubber and a tire crown rubber on the belted layer of each tire base; and lastly, arranging side tire rubber on the tire bodies and then vulcanizing, thereby acquiring retreaded tires, wherein each anti-explosion wire layer is realized by the following steps of: selecting a single wire cord fabric line, winding the upper surfaces of the belted layers and tightly hooping a coil formedby the wire cord fabric line on the belted layers. According to the method, the source of the raw tires is wider than the source of cold retreaded raw tires in the prior art. The retreated tire has the advantages that the anti-explosion capability of the tire crown is strong, the deformation of the tire crown is small, the grounded area is large, the abrasive resistance of patterns is high, and the impact resistance and the anti-explosion capability of the retreaded tire are both greatly improved.
Description
Technical field
The present invention relates to a kind of junked tire that utilizes as raw material, carry out the method for tyre rebuilding.
Background technology
Since two thousand six, the learies of the annual tire of China surpasses 1,500,000 tons, and with annual 10% speed increase.2010, the generation of China's junked tire surpassed 200,000,000, and a large amount of junked tires provides sufficient raw material for the production of China's development junked tire recycling product.It is the main path that is fit to China's junked tire cycling and reutilization that present stage utilizes junked tire to renovate.
The domestic existing method of utilizing junked tire to carry out tyre rebuilding is cold renovation, that is: with carcass and belt all preferably old tire remove the tread contour part, stick the new tyre surface with certain decorative pattern then again, make it have certain use value.Though it is comparatively simple that the method for above-mentioned tyre rebuilding implements, but because domestic tire overload is serious, eliminate in the old tire that gets off, carcass and belt all keep old tire and few preferably, and above-mentioned cold reconditioning technology need be selected all old tire individualities preferably of carcass and belt for use, could renovate crown, so limit the cold scale development that turns over industry in a big way.This shows that the above-mentioned method of utilizing junked tire to carry out tyre rebuilding awaits further to improve.
Summary of the invention
Task of the present invention is to solve utilizes junked tire to carry out the existing technological deficiency of method of tyre rebuilding in the prior art, a kind of method of tyre rebuilding is provided.
Its technical solution is:
A kind of method of tyre rebuilding comprises the steps:
A chooses the junked tire of same specification as the raw material tire, each raw material tire is cut apart taken out carcass and belt, selects those more complete carcass and belts, and is standby after polishing;
B with the carcass selected among the step a and belt reconfigure one to one form the tire base after, at the belt of tire base steel wire explosion-proof layer, middle pad glue and crown glue are set, and at carcass sidewall rubber are set, vulcanize the acquisition retreads then;
Above-mentioned steel wire explosion-proof layer is to realize like this, choose the individual wire cord line, the silk head of drawing with the wirecord fabric line utilizes film to be fixed on a side of aspect on the belt earlier, aspect upper edge circumferencial direction twines successively on belt then, after being wound to the opposite side of aspect on the belt always, the wirecord fabric line is cut off again and utilized film will cut the opposite side that silk head is fixed on aspect on the belt, the formed coil lock ring of above-mentioned wirecord fabric line is on belt.
Among the above-mentioned steps a, comprise step:
A1 is dried processing with the raw material tire, and transpiring moisture also makes its tyre surface softening, for follow-up cut apart ready;
A2 at first polishes to the tyre surface of carcass, is polished in the sidewall of carcass then;
A3 carries out the rubber cement brushing to the carcass after handling through step a2.
Among the above-mentioned steps a, comprise step:
A4 is, and carcass totally checks, then repairs if any breakage, the ability that carcass is had bear specified air pressure.
Among the above-mentioned steps b, comprise step:
At first on the belt of tire base, fill up glue in paving one deck, the steel wire explosion-proof layer is set again, on the steel wire explosion-proof layer, fill up glue in paving one deck then.
The formed coil curl of above-mentioned wirecord fabric line.
The present invention has following useful technique effect:
Among the present invention, the source of raw material tire is much extensive more than cold renovation in the prior art, such as junked tire, if the situation of delamination appears in its belt, can utilize its carcass; If the quick-fried situation of slide fastener appears in its carcass, can utilize its belt.Therefore, the utilization rate of junked tire of the present invention will increase substantially, and can make the multiple junked tire that can not carry out cold renovation obtain renovation utilization, can save a large amount of energy for society, and reduce environmental pollution.In addition, the present invention is to be provided with the steel wire explosion-proof layer in the crown at belt, and the steel wire explosion-proof layer twines successively by a wirecord fabric line and form, and the intensity of retreads crown is greatly improved, impact resistance increases, the antiknock ability of crown is strong, and the crown distortion is little, and contact area is big, the wearability of decorative pattern is strong, impel impact resistance and the antiknock ability of retreads all to be greatly improved, simultaneously, also be convenient to the enforcement of steel wire explosion-proof layer; And because of brand-new crown and the sidewall of fitting, its surface is all completely newly handled, and makes the sidewall anti ageing property of retreads better, long service life.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing and the specific embodiment:
Fig. 1 is the local section structural principle schematic diagram by a kind of retreads of implementing the present invention's acquisition.
Fig. 2 is the structural principle schematic diagram of employed a kind of steel wire explosion-proof layer wind in implementing process of the present invention.
The specific embodiment
In conjunction with Fig. 1, a kind of method of tyre rebuilding comprises the steps:
Step 1, choose same specification junked tire as the raw material tire, each raw material tire is cut apart, obtain carcass and belt, select those more complete carcass and belts, standby after polishing.
Above-mentioned steel wire explosion-proof layer is to realize like this, choose the individual wire cord line, the silk head of drawing with the wirecord fabric line utilizes film to be fixed on a side of aspect on the belt earlier, aspect upper edge circumferencial direction twines successively on belt then, after being wound to the opposite side of aspect on the belt always, the wirecord fabric line is cut off again and utilized film will cut the opposite side that silk head is fixed on aspect on the belt, the formed coil lock ring of above-mentioned wirecord fabric line is on belt.
In the above-mentioned steps 1, comprise step:
11, the raw material tire is dried processing, transpiring moisture makes its drying, and makes its tyre surface softening, for follow-up cut apart ready;
12, at first the tyre surface of carcass is polished, polished in the sidewall of carcass then;
13, to the carcass brushing rubber cement after handling through step 12;
14, carcass is totally checked, then repair if any breakage, the ability that carcass is had bear specified air pressure.
In the above-mentioned steps 2, comprise step:
At first on the belt of tire base, fill up glue in paving one deck, the steel wire explosion-proof layer is set again, on the steel wire explosion-proof layer, fill up glue in paving one deck then.
Further technological means is as follows:
1, junked tire incoming inspection, scouring are selected the junked tire of refreshable same specification as the raw material tire
Each big junked tire reclaims market and buys junked tire from the whole nation, go into its degree of wear of desk checking after the factory, whether judgement has renovation, regeneration is worth, need cleaning in the refreshable tire, enter next process after surperficial dirt is fallen in scourings such as use rag, most of junked tire does not need cleaning; The tire that can not renovate can be done the reclaimed rubber raw material as solid useless the sale.
2, raw material tire oven dry
Because the junked tire purchased is many through exposing to the weather, outdoor storage, damaged part may be intake, dry processing so need put into the drying room with certain bake out temperature, transpiring moisture makes its drying, and makes its tyre surface softening in heating process, for next step cuts apart ready.
3, each raw material tire is cut apart
Adopt artificial cutting junked tire, obtain carcass and belt etc., select those more complete carcass and belts, standby after polishing.Wherein serious wear, can not re-use carcass or belt etc. as solid useless the sale, can do the reclaimed rubber raw material.
4, carcass polishing
The polishing operation can be divided into mechanical type polishing and artificial polishing, comprises the tyre surface polishing of carcass and the sidewall polishing of carcass.At first the above-mentioned carcass that is selected is put into the tyre surface sander, tyre surface is carried out mechanical grinding, the carcass of the tyre surface of will having polished is then put into the sidewall sander, carries out the sidewall polishing.To carrying out scrutiny through the carcass after the above-mentioned mechanical grinding, the carcass that does not meet quality requirement is manually polished again, and the carcass that schistostoma the is arranged limit of manually tapping rubber is handled.
5, to the carcass brushing rubber cement after the polishing
The back quality satisfactory carcass of will polishing is put on the swinging mounting, blow off the floating dust on carcass surface with airduct after, artificial brushing rubber cement, the rubber cement that rubber cement selects for use tire production to use gets final product.The brushing rubber cement can be filled and led up the hair side that produces in the bruting process, and can increase the bond properties between each parts, makes each parts of tire become a firm integral body, thereby improves the performance of tire.
6, the carcass wound is repaired
Carcass is totally checked, if any breakage, breakage is repaired, carcass is returned to have the ability that keeps specified air pressure, and the mechanical performance of carcass is returned to guarantee the level that reuses.This operation is mainly hand inspection carcass wound, and uses the glue rifle that rubber cement is sprayed on outer injury.
7, tyre surface is fitted and moulding
With carcass and belt reconfigure one to one form the tire base after, at the belt of tire base the steel wire explosion-proof layer is set.The winding of wirecord fabric line can be used a kind of steel wire explosion-proof layer wind, as shown in Figure 2.Above-mentioned steel wire explosion-proof layer wind comprises the tire make-up machine, Liftable type helical type godet 7, and wirecord fabric wire bar 8, the tire base is nested with on the driving wheel rim 9 of make-up machine, on the belt of tire base, fill up glue in paving one deck, utilize back pressure roller 10 compactings of make-up machine, top off in the carcass, with the pressure holding of helical type godet on above-mentioned tire base, the individual wire cord line is drawn from spindle, the silk head of drawing with the wirecord fabric line utilizes film to be fixed on a side of aspect on the belt earlier, and in the roll surface helix groove with wirecord fabric line lead-in groove type godet, start the tire make-up machine then, drive wheel rim and drive above-mentioned tire base rotation, under the roll surface helix groove guiding of helical type godet, wirecord fabric line aspect upper edge circumferencial direction on belt twines successively, after being wound to the opposite side of aspect on the belt always, the tire make-up machine shuts down, the wirecord fabric line cut off and utilize film will cut the opposite side that the silk head is fixed on aspect on the belt, when twining, the wirecord fabric line applies certain tension force, make the formed coil lock ring of above-mentioned wirecord fabric line on belt, the formed coil curl of above-mentioned wirecord fabric line.On the steel wire explosion-proof layer, fill up glue in paving one deck at last, at middle pad glue upper berth card crown glue, with back pressure roller compacting, unload the tire base and stick sidewall rubber at the sidewall make-up machine again.
The wirecord fabric line except above-mentioned canoe, can also take to suit artificial or take other mechanical systems to realize.
8, sulfuration
Tire after the above-mentioned moulding uses vulcanizers with segmented mold to vulcanize.Spray releasing agent at the upper and lower mould of vulcanizer uniformly with spray gun before the sulfuration, and capsule is inflated inspection, begin to vulcanize 145～150 ℃ of curing temperatures, about 120 minutes of a tyre vulcanization time after qualified.
9, prune the glue hair
Tire after sulfuration is finished needs the tyre surface burr is manually pruned.
10, product inspection, warehouse-in
Finished tire is tested, the certified products warehouse-in, wait is dispatched from the factory.
Product is carried out national standard " truck retreads " (GB7037-2007).
Through Preliminary detection, every performance of retreads all is better than GB.
The content of not addressing in the aforesaid way is taked or is used for reference prior art and can realize.
Need to prove that those skilled in the art can also make such or such easy variation pattern under the instruction of this specification, such as equivalent way, or obvious mode of texturing.Above-mentioned variation pattern all should be within protection scope of the present invention.
Claims (4)
1. the method for a tyre rebuilding is characterized in that comprising the steps:
A chooses the junked tire of same specification as the raw material tire, each raw material tire is cut apart taken out carcass and belt, selects those more complete carcass and belts, and is standby after polishing;
B with the carcass selected among the step a and belt reconfigure one to one form the tire base after, at the belt of tire base steel wire explosion-proof layer, middle pad glue and crown glue are set, and at carcass sidewall rubber are set, vulcanize the acquisition retreads then;
Above-mentioned steel wire explosion-proof layer is chosen the individual wire cord line and is twined successively and make;
A kind of steel wire explosion-proof layer wind is used in the winding of above-mentioned wirecord fabric line, described steel wire explosion-proof layer wind comprises the tire make-up machine, Liftable type helical type godet and wirecord fabric wire bar, the tire base is nested with on the driving wheel rim of make-up machine, on the belt of tire base, fill up glue in paving one deck, utilize the back pressure roller compacting of make-up machine, top off in the carcass, with the pressure holding of helical type godet on above-mentioned tire base, the individual wire cord line is drawn from spindle, the silk head of drawing with the wirecord fabric line utilizes film to be fixed on a side of aspect on the belt earlier, and in the roll surface helix groove with wirecord fabric line lead-in groove type godet, start the tire make-up machine then, drive wheel rim and drive above-mentioned tire base rotation, under the roll surface helix groove guiding of helical type godet, wirecord fabric line aspect upper edge circumferencial direction on belt twines successively, after being wound to the opposite side of aspect on the belt always, the tire make-up machine shuts down, the wirecord fabric line cut off and utilize film will cut the opposite side that the silk head is fixed on aspect on the belt, when twining, the wirecord fabric line applies certain tension force, make the formed coil lock ring of above-mentioned wirecord fabric line on belt, the formed coil curl of above-mentioned wirecord fabric line.
2. the method for a kind of tyre rebuilding according to claim 1 is characterized in that comprising step among the described step a:
A1 is dried processing with the raw material tire, and transpiring moisture also makes its tyre surface softening, for follow-up cut apart ready;
A2 at first polishes to the tyre surface of carcass, is polished in the sidewall of carcass then;
A3 carries out the rubber cement brushing to the carcass after handling through step a2.
3. the method for a kind of tyre rebuilding according to claim 2 is characterized in that comprising step among the described step a:
A4 is, and carcass totally checks, then repairs if any breakage, the ability that carcass is had bear specified air pressure.
4. the method for a kind of tyre rebuilding according to claim 1 is characterized in that comprising step among the described step b:
At first on the belt of tire base, fill up glue in paving one deck, the steel wire explosion-proof layer is set again, on the steel wire explosion-proof layer, fill up glue in paving one deck then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110306054 CN102380962B (en) | 2011-10-11 | 2011-10-11 | Method for retreading tires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110306054 CN102380962B (en) | 2011-10-11 | 2011-10-11 | Method for retreading tires |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102380962A CN102380962A (en) | 2012-03-21 |
| CN102380962B true CN102380962B (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110306054 Expired - Fee Related CN102380962B (en) | 2011-10-11 | 2011-10-11 | Method for retreading tires |
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| Country | Link |
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| CN (1) | CN102380962B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481530B (en) * | 2013-09-06 | 2016-01-20 | 赛轮金宇集团股份有限公司 | The anti-puncture prevulcanized tire tread rubber of prestressing force non junction |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850498A (en) * | 2006-04-24 | 2006-10-25 | 海启和 | New method for repairing waste tyre |
| CN1964858A (en) * | 2004-06-07 | 2007-05-16 | 株式会社普利司通 | Pneumatic radial tire for two-wheeled motor vehicle |
| CN101602256A (en) * | 2009-07-24 | 2009-12-16 | 青岛裕盛源橡胶有限公司 | The retreading capsule shaping and segmented mold vulcanized tyre by winding method method |
-
2011
- 2011-10-11 CN CN 201110306054 patent/CN102380962B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1964858A (en) * | 2004-06-07 | 2007-05-16 | 株式会社普利司通 | Pneumatic radial tire for two-wheeled motor vehicle |
| CN1850498A (en) * | 2006-04-24 | 2006-10-25 | 海启和 | New method for repairing waste tyre |
| CN101602256A (en) * | 2009-07-24 | 2009-12-16 | 青岛裕盛源橡胶有限公司 | The retreading capsule shaping and segmented mold vulcanized tyre by winding method method |
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| Publication number | Publication date |
|---|---|
| CN102380962A (en) | 2012-03-21 |
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