CN101637919B - Rubber cutting knife and surface non-rubber-sticking and anti-coking process - Google Patents
Rubber cutting knife and surface non-rubber-sticking and anti-coking process Download PDFInfo
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- CN101637919B CN101637919B CN2009100910468A CN200910091046A CN101637919B CN 101637919 B CN101637919 B CN 101637919B CN 2009100910468 A CN2009100910468 A CN 2009100910468A CN 200910091046 A CN200910091046 A CN 200910091046A CN 101637919 B CN101637919 B CN 101637919B
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- rubber
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- knife back
- coking
- cutter hub
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Abstract
The invention relates to a surface strengthening treatment technology, in particular to a rubber cutting knife and a surface strengthening technology, which are applicable to non-rubber-sticking and anti-coking in high temperature state. The rubber cutting knife comprises a knife blade, a knife body and a knife back, and thermal barrier ceramic composite coatings are respectively additionally arranged on the outer surfaces of the knife blade, the knife body and the knife back. The surface strengthening technology uses the plasma spray coating technology for spray coating the nickel-chrome-aluminum-cobalt yttrium oxide and zirconium oxide thermal barrier ceramic composite coatings on the outer surfaces, thereby lowering surface temperature of the knife body, achieving the purposes of non-rubber-sticking and anti-coking and improving the working life of the cutting knife and the working stability.
Description
Technical field
The present invention relates to a kind of surface strengthening treatment technology, particularly a kind of rubber cutting tool and surface strengthening technology thereof that under the condition of high temperature, does not glue rubber and anti-coking that be applicable to.
Background technology
In the rubber cutting process; can heat cutting tool; through after the heat conduction of cutter hub; finally the blade by heating is with rubber softening and cut; the great like this cutting efficiency that improved; but the negative effect of bringing be when cutting blade surface can Yin Gaowen and remaining residue behind the cutting rubber that bonds; along with residue is cumulative; and constantly the ground moves on to cutter hub; the final large-area coking that forms, after work a period of time, coking material can be piled more and more; have influence on normal work; just can resume production after finally causing at interval some cycles to have to shut down removing coking, seriously influence production efficiency, therefore existing rubber cutting tool reliability on the whole; less stable has drawbacks such as the life-span is long; consider from practicality and economy angle, still owe desirable.
Summary of the invention
The object of the present invention is to provide the technology of not sticking rubber in a kind of rubber cutting tool and surface and anti-coking, it is all strong to have functional reliability, stability through the cutting tool after the surface treatment processing, useful life is long, the advantage that the maintaining workload is little, reliability, less stable have drawbacks such as the life-span is long on the whole thereby solve existing rubber cutting tool.
The present invention adopts following technical scheme: a kind of rubber cutting tool, and it comprises blade, cutter hub and the knife back, the additional thermal boundary ceramic composite coating that is provided with on cutter hub, the knife back outer surface; The bottoming hole that perforation is arranged on the knife back is installed with heating rod in the bottoming hole, heating rod is connected with main frame by connecting hole, and the upper end of bottoming hole is provided with the heating rod fixed screw holes.
Not sticking rubber in a kind of surface of rubber cutting tool and anti-coking technology at the ceramic coated composite powder of outer surface, reduce the surface temperature of cutter with plasma spraying technology, cannot not reach stickingly the purpose of rubber and anti-coking, and its technological process is as follows:
A, the outer surface of cutter hub, the knife back in the cutter is carried out surface sand-blasting handle, make it to reach Sa3; Roughness 30-50 μ m;
B, the outer surface of the cutter hub and the knife back is sprayed the nickel chromium triangle aluminium cobalt oxidation yttrium ceramic coating that a layer thickness is 0.1-0.15mm with plasma spraying technology;
C, spray the zirconia ceramics coating that a layer thickness is 0.1-0.15mm again at the nickel chromium triangle aluminium cobalt oxidation yttrium coating outer surface that has sprayed with plasma spraying technology.
Described ceramic composite powder is that nickel chromium triangle aluminium cobalt oxidation yttrium and zirconia constitute.
Based on the not sticking rubber of rubber cutting tool and surface of above-mentioned design invention and the technology of anti-coking, owing to adopt plasma spraying nickel chromium triangle aluminium cobalt oxidation yttrium and zirconia composite ceramics thermal barrier coating, make that heat still can be by the cutter hub conducted inside to blade, the temperature maintenance that makes blade is in the required temperature of cutting, and cutter hub is because there has been the effect of thermal barrier coating, surface temperature reduces greatly, make the residual recrement of cutting can not be deposited on the cutter hub, also just coking phenomenon can not occur, improve the working life and the job stability of cutting tool so greatly.
Description of drawings
Fig. 1 is a main perspective structural representation of the present invention;
Fig. 2 is a side structure schematic diagram of the present invention;
Among the figure: 1 blade, 2 cutter hubs, 3 knife back, 4 heating rod fixed screw holes, 5 connecting holes, 6 bottoming holes, 7 thermal boundary ceramic composite coatings.
The specific embodiment
The present invention is described in detail below in conjunction with accompanying drawing: it comprises blade 1, cutter hub 2 and the knife back 3, the additional thermal boundary ceramic composite coating 7 that is provided with on cutter hub 2, the knife back 3 outer surfaces; The bottoming hole 6 of perforation is arranged on the knife back 3, be installed with heating rod in the bottoming hole 6, heating rod is connected with main frame by connecting hole 5, and the upper end of bottoming hole 6 is provided with heating rod fixed screw holes 4
Concrete process implementing mode:
At the ceramic coated composite powder of outer surface, reduce the surface temperature of cutter with plasma spraying technology, cannot not reach stickingly the purpose of rubber and anti-coking, its technological process is as follows:
A) outer surface to cutter hub, the knife back in the cutter carries out the surface sand-blasting processing, makes it to reach Sa3; Roughness 30-50 μ m;
B) with plasma spraying technology the outer surface of the cutter hub and the knife back is sprayed the nickel chromium triangle aluminium cobalt oxidation yttrium ceramic coating that a layer thickness is 0.1-0.15mm;
C) spray the zirconia ceramics coating that a layer thickness is 0.1-0.15mm with plasma spraying technology again at the nickel chromium triangle aluminium cobalt oxidation yttrium coating outer surface that has sprayed.
Described ceramic composite powder is that nickel chromium triangle aluminium cobalt oxidation yttrium and zirconia constitute.
Claims (2)
1. rubber cutting tool, it comprises blade (1), cutter hub (2) and the knife back (3), it is characterized in that: additional being provided with thermal boundary ceramic composite coating (7) on cutter hub (2), the knife back (3) outer surface; The bottoming hole (6) of perforation is arranged on the knife back (3), and bottoming hole is installed with heating rod in (6), and heating rod is connected with main frame by connecting hole (5), and the upper end of bottoming hole (6) is provided with heating rod fixed screw holes (4).
2. technology according to sticking rubber in the surface of the described rubber cutting tool of claim 1 and anti-coking, it is characterized in that: use plasma spraying technology at the ceramic coated composite powder of outer surface, reduce the surface temperature of cutter, cannot not reach stickingly the purpose of rubber and anti-coking, its technological process is as follows:
A, the outer surface of cutter hub, the knife back in the cutter is carried out surface sand-blasting handle, make it to reach Sa3; Roughness 30-50 μ m;
B, the outer surface of the cutter hub and the knife back is sprayed the nickel chromium triangle aluminium cobalt oxidation yttrium ceramic coating that a layer thickness is 0.1-0.15mm with plasma spraying technology;
C, spray the zirconia ceramics coating that a layer thickness is 0.1-0.15mm again at the nickel chromium triangle aluminium cobalt oxidation yttrium coating outer surface that has sprayed with plasma spraying technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100910468A CN101637919B (en) | 2009-08-20 | 2009-08-20 | Rubber cutting knife and surface non-rubber-sticking and anti-coking process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100910468A CN101637919B (en) | 2009-08-20 | 2009-08-20 | Rubber cutting knife and surface non-rubber-sticking and anti-coking process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101637919A CN101637919A (en) | 2010-02-03 |
| CN101637919B true CN101637919B (en) | 2011-02-09 |
Family
ID=41613195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100910468A Expired - Fee Related CN101637919B (en) | 2009-08-20 | 2009-08-20 | Rubber cutting knife and surface non-rubber-sticking and anti-coking process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101637919B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357918A (en) * | 2011-10-25 | 2012-02-22 | 黄维明 | Knife capable of being heated |
| CN104775087B (en) * | 2014-12-05 | 2017-08-25 | 襄阳航泰动力机器厂 | A kind of preparation method of metal composite ceramal thermal barrier coating |
| CN107999340A (en) * | 2017-11-23 | 2018-05-08 | 盐城市协和机械有限公司 | self-heating scraper for hot melt adhesive |
| CN109016431B (en) * | 2018-08-07 | 2021-04-23 | 界首市华盛塑料机械有限公司 | Rubber extrusion cutting mechanical knife |
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2009
- 2009-08-20 CN CN2009100910468A patent/CN101637919B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101637919A (en) | 2010-02-03 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20110209 Termination date: 20210820 |