CN212199394U - Super wear-resistant nano coating of bristle pressing licker-in - Google Patents
Super wear-resistant nano coating of bristle pressing licker-in Download PDFInfo
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- CN212199394U CN212199394U CN202020457103.1U CN202020457103U CN212199394U CN 212199394 U CN212199394 U CN 212199394U CN 202020457103 U CN202020457103 U CN 202020457103U CN 212199394 U CN212199394 U CN 212199394U
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Abstract
The utility model discloses a super stand wear and tear nanometer coating of licker-in that presses hair scribbles the nanometer protective layer on the licker-in surface that presses hair, the nanometer protective layer is cermet composite biocoating, cermet composite biocoating includes nanometer bottom and nanometer ceramic surface course, nanometer bottom and nanometer ceramic surface course are made by the bottom to the surface course spraying in proper order. The utility model provides a super stand wear and tear nanometer coating of licker-in, it is stand wear and tear to have, prevent the nanometer coating combined material of fish tail, this kind of combined material has good physical properties and chemical stability ability concurrently, can improve the combining ability of coating and substrate, have mechanical load and shock resistance concurrently, life cycle is improved by original 2 months to more than 6-8 months, be longer than prior art licker-in's life cycle greatly, effectively improve unit operation rate and product quality, the maintenance cost is reduced, for the cost reduction increase of customer provides reliable guarantee.
Description
Technical Field
The utility model relates to a steel industry equipment technical field, concretely relates to super stand wear and tear nanometer coating of licker-in of pressing hair.
Background
The prior art has the defects that the rotation of the prior art is not stable enough, the vibration critical point is low, the vibration is large, and the prior art has the defect that the prior art cannot achieve the purpose of high-speed operation of the prior art, and in the actual production process, because a non-uniform temperature field in the working environment of the prior art generates stress, the temperature field period changes along with the rotation of the roller, the stress changes along with the change of the stress, the surface temperature of the roller is higher, and the fatigue strength is reduced, so that the surface of the roller is cracked due to fatigue, meanwhile, the prior art is subjected to mechanical stress while the plate strip is pickled, the surface of the roller is seriously worn, the quality of the plate strip is influenced, and the service life of the prior art is 2 months. The existing solution is as follows: the wear-resistant material is built up on the surface of the roller to improve the wear-resistant performance of the surface of the roller, or the wear-resistant layer is sprayed by adopting a micron material to improve the service life of the roller, the two methods can not well solve the problems of the sliding of the plate belt and the like caused by the abrasion, the cracking and the rough and super reduction of the surface of the roller, and the welding layer and the sprayed micron coating are easy to peel off.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a super stand wear and tear nanometer coating of licker-in solves one or more among the above-mentioned prior art problem.
According to the super wear-resistant nano coating of the roughing licker-in, a nano protective layer is coated on the surface of the roughing licker-in, the nano protective layer is a metal ceramic composite coating, the metal ceramic composite coating comprises a nano bottom layer and a nano ceramic surface layer, and the nano bottom layer and the nano ceramic surface layer are sequentially sprayed from the bottom layer to the surface layer; the bristle pressing licker-in comprises an outer roller body, an inner roller body and a rotating shaft, wherein the inner roller body is arranged in a hollow mode, the inner roller body is arranged on the inner peripheral wall of the outer roller body, the rotating shaft is inserted into the inner roller body, and a nano protective layer is arranged on the surface of the outer roller body.
In some embodiments, the cermet composite coating has a designation INF-8235.
In some embodiments, the thickness of the metal ceramic composite coating is 150-.
In some embodiments, the thickness of the nano bottom layer is 30-50 μm, and the thickness of the nano ceramic surface layer is 150-200 μm.
In some embodiments, the supersonic nano thermal spraying equipment is adopted to spray the nano protective layer on the roller body, and the spraying speed is 500-2500m/s
In some embodiments, the outer roller body is a hollow roller body, two inner annular grooves are formed in the inner circumferential wall of the outer roller body, a stopper bar is arranged between the two inner annular grooves, and the two inner annular grooves are arranged in parallel; an outer ring groove is formed in the peripheral wall of the inner roller body, and an annular cavity is formed between the outer ring groove and the inner ring groove.
In some embodiments, the two inner ring grooves have the same width, and a plurality of rollers are placed in the inner ring grooves and are arranged in the axial direction of the outer roller body.
In some embodiments, the rollers may roll in the ring cavity.
In some embodiments, the inner roller body abuts against the blocking ring body, the blocking ring body also abuts against the end of the roller, the cross section of the blocking ring body is in an "L" shape, and the side edge of the blocking ring body and the side edge of the inner roller body are clamped with each other.
The utility model provides a super stand wear and tear nanometer coating of press hair licker-in, it is stand wear and tear to have, shock resistance, the nanometer ceramic composite coating of high cohesion, this kind of nanometer coating material has good physical properties and chemical stability ability concurrently, can improve the combining ability of coating and substrate, it is stand wear and tear to have improved press hair licker-in surface simultaneously, prevent the ability of fish tail, have mechanical load and shock resistance concurrently, life cycle can reach 6-8 months, be greatly longer than the life cycle of press hair licker-in among the prior art, make the press hair licker-in can be long-time continuous work, the production cost is reduced, the work efficiency is improved, the defects of the prior art are improved.
Drawings
Fig. 1 is a schematic structural view of a combination of an outer roller body and an inner roller body of a roller for a bristle pressing roller according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a ring body of a roller for pressing burrs according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a roller body of a bristle pressing roller according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a bristle pressing roller according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a super wear-resistant nano coating of a roughening roller, wherein a nano protective layer is coated on the surface of the roughening roller, the nano protective layer is a metal ceramic composite coating, the metal ceramic composite coating comprises a nano bottom layer and a nano ceramic surface layer, and the nano bottom layer and the nano ceramic surface layer are sequentially sprayed from the bottom layer to the surface layer.
The nano protective layer is a metal ceramic composite coating, the metal ceramic composite coating comprises a nano bottom layer and a nano ceramic surface layer, and the nano bottom layer and the nano ceramic surface layer are formed by sequentially spraying from the bottom layer to the surface layer.
The bottom layer of the metal ceramic composite coating is INF-8235-1, and the surface layer of the metal ceramic composite coating is INF-8235-2.
The thickness of the nano protective layer is 150-250 mu m, wherein the nano bottom layer is a nano Ni-based material, and the nano ceramic layer is a ceramic-based composite layer; the thickness of the nano bottom layer is 30-50 mu m, the thickness of the nano ceramic surface layer is 150-200 mu m, and the whole wool roller has the effects of wear resistance, scratch resistance and impact resistance under the thickness of the nano protective layer.
Spraying a nano protective layer on the roller body by adopting supersonic nano thermal spraying equipment, wherein the spraying speed is 500-2500m/s
The microhardness of the prepared nano coating reaches HV900-1100, the roughness of the roller surface is Ra5-6, the bonding force of the coating on a substrate is more than 80Mpa, and the service life is more than 6-8 months.
The utility model provides a cold rolling pressing burr roller with nano coating of fish tail is prevented in stand wear and tear, it is stand wear and tear to have, prevent the fish tail, the nano coating combined material who shocks resistance, this kind of combined material has good physical properties and chemical stability ability concurrently, can improve the combining ability of coating and substrate, it is stand wear and tear to have improved pressing burr roller surface simultaneously, prevent the ability of fish tail, have mechanical load and shock resistance concurrently, life cycle is improved by original 2 months to more than 6-8 months, be greatly longer than the life cycle of cold rolling pressing burr roller among the prior art, effectively improve unit operation rate and product quality, reduce the cost of overhaul, increase for customer cost reduction and provide reliable guarantee.
A preparation method of a wear-resistant anti-coarse and anti-super-reduction nano coating comprises the following steps:
the method comprises the following steps:
(1) cleaning and deoiling: placing the roller body 1 in a non-ionic surfactant solution with the mass concentration of 5% -10%, soaking and cleaning, then placing in acetone for ultrasonic cleaning, and ventilating and drying;
(2) sand blasting and coarsening: coarsening the roller surface by adopting first-grade brown corundum;
(3) preparing a bottom layer: spraying the bottom layer nano material in a molten state to the roller surface of the deburring roller at the speed of 500-2500m/s by adopting supersonic flame spraying equipment, wherein the thickness of the coating is 30-50 mu m;
(4) preparing a surface layer: supersonic flame spraying equipment is adopted to spray the surface layer nano material in a molten state to the roller surface of the deburring roller at the speed of 500-2500m/s, and the coating thickness is 150-200 mu m.
As shown in fig. 1 and 4, the bristle pressing licker-in with the super wear-resistant nano coating comprises an outer roller body 1, an inner roller body 2 and a rotating shaft 3, wherein the inner roller body 2 is arranged in a hollow manner, the inner roller body 2 is arranged on the inner peripheral wall of the outer roller body 1, the rotating shaft 3 is inserted into the inner roller body 2, the surface of the outer roller body 1 is provided with a nano protective layer, the wear resistance of the surface layer of the outer roller body 1 can be greatly improved through the nano protective layer, and the scratch resistance can be improved;
the outer roller body 1 is a hollow roller body, two inner annular grooves 101 are formed in the inner peripheral wall of the outer roller body 1, a stop block strip 102 is arranged between the two inner annular grooves 101, and the two inner annular grooves 101 are arranged in parallel; an outer ring groove 201 is formed in the outer circumferential wall of the inner roller body 2, and an annular cavity is formed between the outer ring groove 201 and the inner ring groove 101. The inner ring groove 101 is formed in the outer roller body 1, and the outer ring groove 201 is formed in the inner roller body 2, so that the rotating effect of the whole roller body is better.
The two inner ring grooves 101 have the same width, a plurality of rollers 13 are placed in the inner ring grooves 101, and the rollers 13 are arranged in the axial direction of the outer roller body 1. The roller 13 is arranged to enlarge the inner roller body 2 and the outer roller body 1 to roll.
The rollers 13 can roll in the ring cavity.
The inner roller body 2 is abutted with the baffle ring body 202, the baffle ring body 202 is also abutted with the end part of the roller 13, the section of the baffle ring body 202 is L-shaped, and the side edge of the baffle ring body 202 is mutually clamped with the side edge of the inner roller body 2. The installation keeps off ring body 202 and conveniently dismantles outer roll body 1 and interior roll body 2.
By increasing the width of the two ends in the outer roller body 1, the compression roller can be kept stable in high-speed operation, vibration is eliminated, the aim of enabling the critical point to be out of the process rotating speed is achieved, and the operating speed of the compression roller can be increased to 1.2-1.8 ten thousand rotating speeds/minute.
As shown in fig. 3, the diameter of the roller body is 60-450mm, the diameter of the end portion of the roller body is 10mm larger than the diameter of the middle portion 12 of the roller body, the thickness of the coating of the roller body is 150-. In this embodiment, the both ends of outer roll body 1 are widened and are handled, and the diameter of roll body tip is 10mm more than the diameter of roll body middle part 12, can solve the unstable defect of high-speed operation compression roller like this.
The screw hole is also formed in the corresponding position of the shaft base 4 and the installation screw hole, the shaft base 4 and the end part of the roller body are fixedly connected through the screw, the screw is fixedly installed along the axial lead direction, the fixing effect is good, and the installation is stable and convenient.
The central axes of the outer roller body 1, the roller body middle part 12, the roller body end part and the shaft base 4 are positioned on the same straight line. The purpose of this design lies in, under the same axis, can guarantee the stability of compression roller rotational speed, and is steady.
As shown in fig. 2, the outer roller body 1 is provided with a ring body 5 at intervals, and the diameter of the ring body 5 is slightly larger than that of the outer roller body 1. The ring body 5 has the function of enabling the silk threads to be easily formed on the press roll, and facilitating the silk threads to become the silk cakes.
The utility model provides a super stand wear and tear nanometer coating of licker-in presses down, through the width of adjusting sleeve both ends inner chamber to make the compression roller eliminate critical point and compression roller vibrations in high-speed rotation, reach steady pivoted purpose
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar modifications and improvements can be made without departing from the inventive concept of the present invention, and these are also considered to be within the protection of the present invention.
Claims (8)
1. The super wear-resistant nano coating of the bristle pressing licker-in is characterized in that: the surface of the roughening roller is coated with a nano protective layer which is a metal ceramic composite coating, the metal ceramic composite coating comprises a nano bottom layer and a nano ceramic surface layer, and the nano bottom layer and the nano ceramic surface layer are sequentially sprayed from the bottom layer to the surface layer; the wool pressing licker-in comprises an outer roller body (1), an inner roller body (2) and a rotating shaft (3), wherein the inner roller body (2) is arranged in a hollow mode, the inner roller body (2) is arranged on the inner circumferential wall of the outer roller body (1), the rotating shaft (3) is inserted into the inner roller body (2), and a nano protective layer is arranged on the surface of the outer roller body (1).
2. The super abrasion-resistant nanocoating for a burring roller according to claim 1, wherein: the metal ceramic composite coating is under the mark INF-8235.
3. The super abrasion-resistant nanocoating for a burring roller according to claim 2, wherein: the thickness of the metal ceramic composite coating is 150-200 mu m.
4. The super abrasion-resistant nanocoating for a burring roller according to claim 3, wherein: the thickness of the nanometer bottom layer is 30-50 mu m, and the thickness of the nanometer ceramic surface layer is 150-200 mu m.
5. The super abrasion-resistant nanocoating for a burring roller according to claim 1, wherein: the outer roller body (1) is a hollow roller body, two inner annular grooves (101) are formed in the inner peripheral wall of the outer roller body (1), a stop block strip (102) is arranged between the two inner annular grooves (101), and the two inner annular grooves (101) are arranged in parallel; an outer ring groove (201) is formed in the outer peripheral wall of the inner roller body (2), and an annular cavity is formed between the outer ring groove (201) and the inner ring groove (101).
6. The super abrasion-resistant nanocoating for a burring roller according to claim 5, wherein: the width of the two inner ring grooves (101) is equal, a plurality of rollers (13) are arranged in the inner ring grooves (101), and the rollers (13) are arranged in the axis direction of the outer roller body (1).
7. The super abrasion-resistant nanocoating for a burring roller according to claim 6, wherein: the rollers (13) can roll in the ring chamber.
8. The super abrasion-resistant nanocoating for a burring roller according to claim 7, wherein: the inner roller body (2) is abutted against the blocking ring body (202), the blocking ring body (202) is also abutted against the end part of the roller (13), the section of the blocking ring body (202) is L-shaped, and the side edge of the blocking ring body (202) is mutually clamped with the side edge of the inner roller body (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020457103.1U CN212199394U (en) | 2020-04-01 | 2020-04-01 | Super wear-resistant nano coating of bristle pressing licker-in |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020457103.1U CN212199394U (en) | 2020-04-01 | 2020-04-01 | Super wear-resistant nano coating of bristle pressing licker-in |
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| CN212199394U true CN212199394U (en) | 2020-12-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111378918A (en) * | 2020-04-01 | 2020-07-07 | 上海英佛曼纳米科技股份有限公司 | Super wear-resistant nano coating of bristle pressing licker-in |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111378918A (en) * | 2020-04-01 | 2020-07-07 | 上海英佛曼纳米科技股份有限公司 | Super wear-resistant nano coating of bristle pressing licker-in |
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