CN103522318A - Tire building machine and cutter assembly thereof - Google Patents
Tire building machine and cutter assembly thereof Download PDFInfo
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- CN103522318A CN103522318A CN201310476786.XA CN201310476786A CN103522318A CN 103522318 A CN103522318 A CN 103522318A CN 201310476786 A CN201310476786 A CN 201310476786A CN 103522318 A CN103522318 A CN 103522318A
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- cut
- knife
- cutter
- tin
- tin bronze
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Abstract
The invention discloses a cutter assembly which comprises a cutter and a cutter frame 2 used for fixing the cutter. The cutter is a tin bronze cutter, namely, the cutter is made of tin bronze, tin bronze is bronze with tin as a main alloy element, and the tin containing rate generally ranges from 3% to 14%. The cutter has high mechanical property, anti-attrition performance and corrosion resistance, and is easy to cut and machine, good in brazing and welding performance and small in contraction coefficient. The heat conductivity coefficient of the tin bronze is high and much higher than that of steel, and accordingly the cutter is made of the tin bronze. When a heat preserving device transmits heat to a cutter body, the heat can be quickly transmitted to the cutting edge portion of the cutter so that the temperature of the surface of the whole cutter can keep the same and keep close to the normal temperature, the temperature of the cutting edge of the cutter cannot reduce too fast and cannot become much lower than the normal temperature, and cutting accuracy of the cutter is prevented from being influenced. The invention further discloses a tire building machine including the cutter assembly.
Description
Technical field
The present invention relates to tire manufacturing equipment technical field, more particularly, relate to a kind of tyre building machine and cut-off knife assembly thereof.
Background technology
Tyre building machine (being called for short TBM) is that tire is manufactured in production process, by semifinished part (as tyre surface, sidewall, crown, type glue, carcass etc.), by a kind of tire production special equipment of technological requirement combination forming green tyres.Be mainly used in the forming process of radial.It plays a part very crucial to indexs such as product quality, labor productivity.Tire composite members cut-to-length function plays a part very important in automated production process, how its severing precision will directly have influence on the half-finished quality of tire building, and then affect the inherent quality of vulcanized tyre finished product, therefore severing system occupies an important position in a whole set of radial tire forming machine, and wherein cut-off knife assembly part is particularly important.
Cut-off knife assembly comprises cut-off knife and for fixing the knife rest of this cut-off knife, when carrying out severing, need to guarantee that the temperature of cut-off knife is to guarantee the precision of severing.In prior art, cut-off knife and knife rest are all steel, and by attemperator, cut-off knife and knife rest are carried out to heating and thermal insulation, be also provided with temperature controller the switch of attemperator is controlled.Yet, the cut-off knife of steel and the thermal conductivity factor of knife rest are lower, poor thermal conductivity, and cut-off knife carries out the process need certain hour of severing, the temperature of cut-off knife blade declines very fast, the supplementary heat of attemperator need transmit by the cutter hub of cut-off knife, it is slower that supplementary heat is delivered to the process of blade of cut-off knife, the temperature of the blade of cut-off knife is declined comparatively fast lower than its normal temperature, to the temperature requirement of the blade of cut-off knife, should remain on 160 ℃ of left and right, and in practical operation, the blade of cut-off knife often drops to 120 ℃ of left and right, and then affect the precision of the severing of cut-off knife.
In sum, how effectively solving the blade temperature of cut-off knife lower than normal temperature, affect the problem of the precision of severing, is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, first object of the present invention is to provide a kind of cut-off knife assembly, the structural design of this cut-off knife assembly can solve the blade temperature of cut-off knife effectively lower than normal temperature, affect the problem of the precision of severing, second object of the present invention is to provide a kind of tyre building machine that comprises above-mentioned cut-off knife assembly.
In order to reach above-mentioned first object, the invention provides following technical scheme:
An assembly, comprises cut-off knife and for fixing the knife rest of described cut-off knife, described cut-off knife is specially the cut-off knife of tin bronze material.
Preferably, in above-mentioned cut-off knife assembly, described knife rest is specially the knife rest of tin bronze material.
Preferably, in above-mentioned cut-off knife assembly, described cut-off knife surface spraying has layer of iron-nickel alloy.
Preferably, in above-mentioned cut-off knife assembly, the thickness of described layer of iron-nickel alloy is 0.18-022mm.
Preferably, in above-mentioned cut-off knife assembly, the thickness of described layer of iron-nickel alloy is 0.2mm.
Preferably, in above-mentioned cut-off knife assembly, described layer of iron-nickel alloy is sprayed at the surface of described cut-off knife by plasma sandblast technique.
, comprise the cut-off knife assembly as described in above-mentioned middle any one.
Cut-off knife assembly provided by the invention, comprises cut-off knife and for fixing the knife rest of described cut-off knife, wherein, cut-off knife is specially the cut-off knife of tin bronze material, and cut-off knife adopts tin bronze material to make formation.Tin bronze is to take the bronze that tin is main alloy element, and stanniferous amount is generally between 3%-14%, and it has higher mechanical property, Wear vesistance and corrosion resistance, easy machining, and soldering and good welding performance, constriction coefficient is little.And the thermal conductivity factor of tin bronze is higher, far away higher than steel, therefore use tin bronze to make cut-off knife, when attemperator transfers heat to the body of cut-off knife, heat can be delivered to the knife edge part of cut-off knife very soon, and the surperficial temperature of whole cut-off knife is consistent, and remain near its normal temperature, be unlikely to make the blade of cut-off knife to decline too fast, a lot of lower than normal temperature, and then avoided affecting the severing precision of cut-off knife.
In order to reach above-mentioned second object, the present invention also provides a kind of tyre building machine, and this tyre building machine comprises above-mentioned any cut-off knife assembly.Because above-mentioned cut-off knife assembly has above-mentioned technique effect, the tyre building machine with this cut-off knife assembly also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The side view of the cut-off knife assembly that Fig. 1 provides for the embodiment of the present invention;
The front view of the cut-off knife assembly that Fig. 2 provides for the embodiment of the present invention;
The front view of the cut-off knife that Fig. 3 provides for the embodiment of the present invention;
The front view of the knife rest that Fig. 4 provides for the embodiment of the present invention;
The side view of the knife rest that Fig. 5 provides for the embodiment of the present invention.
In accompanying drawing, mark is as follows:
1-cut-off knife, 2-knife rest.
The specific embodiment
First object of the present invention is to provide a kind of cut-off knife assembly, the structural design of this cut-off knife assembly can solve the blade temperature of cut-off knife effectively lower than normal temperature, affect the problem of the precision of severing, second object of the present invention is to provide a kind of tyre building machine that comprises above-mentioned cut-off knife assembly.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 5, the cut-off knife assembly providing in the embodiment of the present invention, comprises cut-off knife 1 and for fixing the knife rest 2 of described cut-off knife 1, wherein, cut-off knife 1 is specially the cut-off knife 1 of tin bronze material, and cut-off knife 1 adopts tin bronze material to make formation.Tin bronze is to take the bronze that tin is main alloy element, and stanniferous amount is generally between 3%-14%, and it has higher mechanical property, Wear vesistance and corrosion resistance, easy machining, and soldering and good welding performance, constriction coefficient is little.And the thermal conductivity factor of tin bronze is higher, far away higher than steel, therefore use tin bronze to make cut-off knife 1, when attemperator transfers heat to the body of cut-off knife 1, heat can be delivered to the knife edge part of cut-off knife 1 very soon, and the surperficial temperature of whole cut-off knife 1 is consistent, and remain near its normal temperature, be unlikely to make the blade of cut-off knife 1 to decline too fast, a lot of lower than normal temperature, and then avoided affecting the severing precision of cut-off knife 1.
In order further to optimize technique scheme, wherein, knife rest 2 can be specially the knife rest 2 of tin bronze material, adopts tin bronze material to make and forms.In like manner, knife rest 2 is in contact with one another with cut-off knife 1, when attemperator transfers heat to knife rest 2, heat can further pass to cut-off knife 1, so arranges, and the temperature that can further guarantee cut-off knife 1 is near normal temperature, its temperature can not declined too fast, and then guaranteed the severing precision of cut-off knife 1.
In addition, in use procedure, the temperature of cut-off knife 1,150 ℃ of left and right, due to the surface of high temperature cut-off knife 1 one deck rubber that can bond, is used after a period of time, and the surperficial rubber that is bonded in cut-off knife 1 can coking hardening, forms adhesive paste, affects equally the precision of the severing of cut-off knife 1.For fear of above-mentioned situation, occur, can also, in cut-off knife 1 surface spraying layer of iron-nickel alloy, so arrange, nickel alloy layer is more smooth, is difficult for sticking rubber, has therefore avoided rubber coking hardening, form the situation of adhesive paste, and then improved and cut effect, improved the quality of product.
Further, the thickness of layer of iron-nickel alloy can be 0.18-022mm, so not only can reach the object that cut-off knife 1 is difficult for sticking rubber, and is convenient to processing, and preferably, the thickness of layer of iron-nickel alloy is 0.2mm.Certainly, thickness can also be for other numerical value, in this no limit.
Wherein, layer of iron-nickel alloy can be sprayed at the surface of cut-off knife 1 by plasma sandblast technique, so carry out, and can make the surface of layer of iron-nickel alloy Paint Gloss straight.Certainly can also adopt wire flame spraying or electric arc spraying, at this, not limit.
Based on cut-off knife assembly is provided in above-described embodiment, the present invention also provides a kind of tyre building machine, and this tyre building machine comprises any one cut-off knife assembly in above-described embodiment.Because this tyre building machine has adopted the cut-off knife assembly in above-described embodiment, so the beneficial effect of this tyre building machine please refer to above-described embodiment.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a cut-off knife assembly, comprises cut-off knife (1) and for fixing the knife rest (2) of described cut-off knife (1), it is characterized in that, described cut-off knife (1) is specially the cut-off knife (1) of tin bronze material.
2. cut-off knife assembly according to claim 1, is characterized in that, described knife rest (2) is specially the knife rest (2) of tin bronze material.
3. cut-off knife assembly according to claim 1, is characterized in that, described cut-off knife (1) surface spraying has layer of iron-nickel alloy.
4. cut-off knife assembly according to claim 3, is characterized in that, the thickness of described layer of iron-nickel alloy is 0.18-022mm.
5. cut-off knife assembly according to claim 4, is characterized in that, the thickness of described layer of iron-nickel alloy is 0.2mm.
6. cut-off knife assembly according to claim 3, is characterized in that, described layer of iron-nickel alloy is sprayed at the surface of described cut-off knife (1) by plasma sandblast technique.
7. a tyre building machine, is characterized in that, comprises the cut-off knife assembly as described in any one in claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310476786.XA CN103522318A (en) | 2013-10-12 | 2013-10-12 | Tire building machine and cutter assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310476786.XA CN103522318A (en) | 2013-10-12 | 2013-10-12 | Tire building machine and cutter assembly thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103522318A true CN103522318A (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310476786.XA Pending CN103522318A (en) | 2013-10-12 | 2013-10-12 | Tire building machine and cutter assembly thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3328225A (en) * | 1964-01-20 | 1967-06-27 | Gen Tire & Rubber Co | Dry-cleanable expanded plastic laminates and methods of making the same |
| CN201026625Y (en) * | 2006-08-31 | 2008-02-27 | 朱洪兵 | Cuting tool |
| CN202208037U (en) * | 2011-07-19 | 2012-05-02 | 北京橡胶工业研究设计院 | Multi-degree-of-freedom adjustable cutting device of tire forming machine |
| KR20130016831A (en) * | 2011-08-09 | 2013-02-19 | 이기홍 | Bronze knife, and its manufacturing method |
| CN202953830U (en) * | 2012-10-23 | 2013-05-29 | 唐山三孚硅业股份有限公司 | Improved scraper of potassium hydroxide flaker |
-
2013
- 2013-10-12 CN CN201310476786.XA patent/CN103522318A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3328225A (en) * | 1964-01-20 | 1967-06-27 | Gen Tire & Rubber Co | Dry-cleanable expanded plastic laminates and methods of making the same |
| CN201026625Y (en) * | 2006-08-31 | 2008-02-27 | 朱洪兵 | Cuting tool |
| CN202208037U (en) * | 2011-07-19 | 2012-05-02 | 北京橡胶工业研究设计院 | Multi-degree-of-freedom adjustable cutting device of tire forming machine |
| KR20130016831A (en) * | 2011-08-09 | 2013-02-19 | 이기홍 | Bronze knife, and its manufacturing method |
| CN202953830U (en) * | 2012-10-23 | 2013-05-29 | 唐山三孚硅业股份有限公司 | Improved scraper of potassium hydroxide flaker |
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Application publication date: 20140122 |