CN102211111A - Composite roller and method for manufacturing insert of composite roller - Google Patents
Composite roller and method for manufacturing insert of composite roller Download PDFInfo
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- CN102211111A CN102211111A CN 201110064812 CN201110064812A CN102211111A CN 102211111 A CN102211111 A CN 102211111A CN 201110064812 CN201110064812 CN 201110064812 CN 201110064812 A CN201110064812 A CN 201110064812A CN 102211111 A CN102211111 A CN 102211111A
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Abstract
The invention discloses a composite roller and a method for manufacturing an insert of the composite roller. The composite roller can resist large torque and is convenient to mount, detach and maintain. The roller comprises a core roller with an N-side cross section, and a roller ring consisting of N inserts, wherein the N inserts are arranged on N mounting surfaces of the core roller in a one-to-one correspondence mode; the bottom surface of each insert is contacted with a corresponding mounting surface; two ends of each insert are provided with insert legs; two ends of the mounting surface corresponding to each insert are provided with insert grooves matched with the insert legs; and the insert legs are inserted into the insert grooves and are connected with the core roller through bolts. In addition, the bottom surfaces of the inserts and the mounting surfaces are provided with convex parts and groove parts which correspond one to one so as to further improve the torsional behavior of the roller. In the method for manufacturing the insert, the insert, insert legs and a convex key which are integrated are formed at one time by an electroslag furnace and a crystallizer.
Description
Technical field
The present invention relates to compound roller and this compound manufacture method of rolling the abaculus of roller of rolling of the band abaculus of a kind of mine roller mill, the application of metallurgical rolling mill.
Background technology
High-pressure roller mill and system process technology thereof can make the grinding system power consumption reduce 20-100%, and output improves 25-200%; In the fine grinding of slag, slag, high-pressure roller mill and ball milling open and close system are formed the combination grinding system, solved oven dry, the technical barrier such as big that yields poorly, weares and teares, it reduces power consumption, improve the mineral activity, improve the standard process matched therewith that advantage that particle forms is just becoming slag, slag micro powder.In the pelletizing preparation, high-pressure roller mill substitutes former profit grinding process fully, increases smart powder specific area, reduces the bentonite blended amount, has reduced cost, has improved pellet quality.
At present, the structure that the action roller of high-pressure roller mill and quiet roller adopt is: the built-up welding roll structure, and the built-up welding roller is made up of core roller, the excessive layer of built-up welding, built-up welding hardened layer, built-up welding flower-pattern layer four parts, and wherein, excessively layer, hardened layer and flower-pattern layer form wearing layer jointly.The action roller of said structure or the production technology of quiet roller are as follows: the advanced stove of core roller is heated to and can welds temperature, carry out excessive layer, hardened layer, flower-pattern layer built-up welding then, the back tempering dehydrogenation that finishes is handled, being cooled to 50 ℃ comes out of the stove, wherein, excessive layer thickness 3.5mm * 2 layers, thin hardened layer 3.5mm * 3 layer, flower-pattern layer 2.5mm * 2 layer, the action roller of said structure or quiet roller are in use, need after wearing layer may wear to a certain degree to polish and clear up, online usefulness automatically or semi-automatic arc welder carry out the built-up welding flower-pattern layer.Because present action roller or quiet roller adopt said structure and production technology, therefore have following deficiency: 1. high-abrasive material is considered its solderability, and has sacrificed certain wearability; 2. built-up welding organize not fine and closely, the especially online built-up welding of use is not owing to have relative measures or measure to be difficult to carry out, macroscopic tangible crackle is arranged after the built-up welding, fall piece in the use very soon, flower-pattern layer lost totally in general 10-15 days, even injured hardened layer; 3. poor with core roller thermal effectiveness after the built-up welding, service life is low, and online built-up welding flower-pattern layer safeguard measure is difficult to carry out, and the pair roller of Φ 2000 * 800 will be repaired once in average 22-24 days, and once repairing needs 4-4.5 days, and consumptive material 168.5kg is worth 240,000 yuan.
Metallurgy is used for the composite roll of section rolling, adopts the compound founding of centrifugal composite casting and electroslag usually or adopts the combination of edge cover.The above two roll utilization rates are low, often because of whole replacing of roll surface problem, the latter adopts roller shell and core roller to cross and wins to cooperate edge for whole, though the core roller can be reused, but the reasonable win amount of crossing of unlike material roller is difficult for grasping on the one hand, cooperate hot dismounting because of crossing to win between roller shell and the core roller on the other hand, the core roller is had damage, and the utilization rate of core roller is restricted.If image height pressure roller grinding machine integrates the complete machine structure of roller system, frame, moment of torsion supporting, jacket, lubricating system, hydraulic system, more roll change will expend more man-hour.
In addition, Chinese patent 99204529.0, Granted publication CN2364968Y, denomination of invention is a roll squeezer piecemeal pin-connected panel pressure roller, discloses a kind of pressure roller, comprises collars and core roller, and the cross section of described core roller is a N limit shape, and the outer surface of core roller forms N installed surface; Described collars is made up of N abaculus, a described N abaculus is installed in respectively on N the installed surface of core roller one to one, the bottom surface of each abaculus respectively with the contact of corresponding installed surface, the outer surface of N abaculus forms the outer surface of collars jointly, and each abaculus links to each other with the core roller by the clamping device that is arranged on core roller two ends.The cross section of above-mentioned core roller is a N limit shape, helps composite roll opposing moment of torsion like this; Owing to be the abaculus structure, be easy for installation and maintenance.But above-mentioned abaculus is to be fixed on the core roller by the clamping device that two ends are provided with, the main frictionally of this connected mode is fixed abaculus, can only resist less moment of torsion like this, when big or abaculus local pressure was uneven when moment of torsion, clamping device and the bolt that is used for fixing clamping device very easily damaged.Adopt piecemeal assembly unit wearing layer and core roller adaptive, its key is the structure and the assembling method of " piece ", make it enough to satisfy the composite roll working condition requirement, piecemeal assembly unit wearing layer is a form, the structure of " piece " and assembling method are contents, at present form and in have gap, promptly the structure of " piece " and assembling method satisfying exist on the composite roll working condition requirement degree not enough.
Summary of the invention
The technical problem that the present invention solves provides a kind of can the opposing than high pulling torque, satisfies the composite roll working condition requirement, is convenient to produce, processes, the compound roller that rolls of installation and online replacing.
The technical solution adopted for the present invention to solve the technical problems is: the compound roller that rolls, comprise that cross section is the core roller of N limit shape and the collars of being made up of N abaculus, a described N abaculus is installed in respectively on N the installed surface of core roller one to one, the installed surface contact that the bottom surface of described abaculus is corresponding with it, the two ends of described abaculus are respectively arranged with the embedding leg, the two ends of the corresponding installed surface of described abaculus are respectively arranged with and the adaptive caulking groove of described embedding leg, and described embedding leg embeds in the described caulking groove and by bolt and links to each other with the core roller.
Further be: the cross section of described core roller is a n-shaped.
Further be: be respectively arranged with lug boss and concave part one to one on the installed surface of the bottom surface of described abaculus and correspondence thereof, described lug boss embeds the inside of corresponding groove portion.
Further be: described lug boss is arranged on the bottom surface of described abaculus, and described concave part is arranged on the described installed surface.
Further be: described lug boss is protruding strong, described protruding strong two ends link to each other with the embedding leg at abaculus two ends respectively, described concave part for connect described installed surface and with described protruding strong adaptive groove, the two ends of described groove link to each other with the caulking groove that the two ends of installed surface are provided with respectively.
Further be: the described protruding strong sidewall and the sidewall of embedding leg are positioned at same plane.
Further be: described abaculus and embedding leg and lug boss are integral structure.
Further be: be the face contact between the adjacent wall of adjacent two described abaculus.
The present invention also provides a kind of compound manufacture method of rolling the abaculus of roller: may further comprise the steps:
A, by electroslag furnace and crystallizer once-forming, form the founding part of integral structure, wherein, described founding part comprises described abaculus, embedding leg and protruding strong, the material composition of described founding part comprises by weight percentage:
C：0.30-4.00％，Cr：3.0-7.0％，Ni：0.5-3.0％，Mo：0.30-1.0％，W：0.5-2.0％，V：0.20-0.80％，
Ti:0.10-0.50%, B:0.001-0.05%, Nb:0.05-1.50%, N:0.50-1.50%, all the other are Fe;
B, described founding part is annealed;
C, the founding part that step B is obtained carry out roughing, form the roughing part;
D, the roughing part is quenched and tempering, form to be processed;
E, step D is obtained to be processed carry out fine finishining.
The invention has the beneficial effects as follows:
1, owing to be provided with embedding leg and caulking groove,, can significantly improve compound performance of rolling roller opposing moment of torsion of the present invention, can under than the high pulling torque state, normally use by the support limit effect of caulking groove to the embedding leg.
2, the performance that lug boss and concave part can further improve the opposing moment of torsion is set on the bottom surface of abaculus and corresponding installed surface, especially it is protruding strong working as lug boss, and an end of protruding strong bottom surface by abaculus extends to the other end, make protruding strong two ends link to each other respectively at two embedding legs, like this when the suffered moment of torsion of abaculus is big, can by protruding strong and concave part cooperate and the embedding leg is resisted moment of torsion jointly with cooperating of caulking groove, and protruding key plays reinforcement to abaculus, make wear-resisting working face, protruding key and embedding leg are combined into integral body, compact conformation, firmly, bolt only plays fixation.
3, described abaculus and embedding leg and lug boss are integral structure, can improve the mechanical property and the resistance to overturning of abaculus, also are convenient to processing and installation.
4, caulking groove and embedding leg are adaptive, make the bottom surface of embedding leg contact with the bottom surface of caulking groove, and promptly embedding leg thickness is convenient to dismounting like this greater than the caulking groove degree of depth.
5, the cross section of described core roller is a n-shaped, is convenient to abaculus and makes unified size and dimension.
6, the described protruding strong sidewall and the sidewall of embedding leg are positioned at same plane, and promptly protruding strong width is identical with the width of embedding leg, are convenient to accurately processing and accurately installation like this.
7, the integral structure of described abaculus and embedding leg and protruding strong formation is the NEW TYPE OF COMPOSITE structure, overall structure is complicated, select electroslag furnace and crystallizer founding to realize that one piece is shaped, not only obtain and forge suitable structure property, and in founding, having purified material further, allowance is 2-3mm only.Have suitable difficulty and processing capacity too big and adopt to forge, the cost height adopts sand molding cast sturcture to loosen and material easily pollutes.
8, described abaculus is designed to monoblock type, and width and its embedding leg that vertically links to each other of protruding key that connects abaculus length is with wide, adaptive with groove and caulking groove that described core roller is installed on the contact-making surface, compact conformation, can accomplish accurate processing, accurately install, and it all is the plane that contact-making surface is installed, guaranteed compound when rolling the roller long-term work structure not loose, can effectively resist compound torsional forces when rolling roller work.
9, roller shell adopts N abaculus to form, make when mounted, need not by the interference hot charging roller shell and core roller is equipped, only abaculus need be respectively installed on the corresponding installation contact-making surface He in the groove and get final product, embedding leg thickness is convenient to dismounting greater than the caulking groove degree of depth, has realized online dismounting wearing layer, and can not produce damage to the core roller, improve the utilization rate of core roller as hot dismounting.
10, when the outer surface of abaculus can't reach instructions for use owing to long term wear, only need this abaculus is pulled down from the core roller, the abaculus that more renews gets final product, can significantly save maintenance time like this, and, therefore greatly reduced maintenance cost owing to need not whole roll is changed, compare with the built-up welding roller, days shorten to 1-2 hour by cleaning, built-up welding 4-4.5, improved productivity ratio greatly.
11, abaculus and core roller can be heat-treated respectively, and need not to consider the welding factor, therefore can make abaculus obtain higher anti-wear performance and service life from two aspects, compare the wearing layer of built-up welding roller, can improve 6 to 10 times the service life of the wearing layer that abaculus of the present invention constitutes.
Description of drawings
Fig. 1 is the compound schematic diagram that rolls roller of the present invention;
Fig. 2 is the schematic diagram of the core roller of embodiment one;
Fig. 3 is that the C of Fig. 2 is to view;
Fig. 4 is the schematic diagram of the abaculus of embodiment one;
Fig. 5 is that the A of Fig. 4 is to view;
Fig. 6 is that the B of Fig. 4 is to view;
Fig. 7 is the schematic diagram of the core roller of embodiment two;
Fig. 8 is that the G of Fig. 7 is to view;
Fig. 9 is the schematic diagram of the abaculus of embodiment two;
Figure 10 is the D-D cutaway view of Fig. 9;
Figure 11 is that the E of Fig. 9 is to view;
Figure 12 is that the F of Fig. 9 is to view.
Be labeled as among the figure: 1-core roller, 2-collars, 3-bolt, 4-embedding leg, 5-abaculus, 6-outer surface, the 7-installed surface, 8-caulking groove, 9-concave part, 10-bottom surface, 11-lug boss, 12-sidewall, the protruding strong sidewall of 15-, the sidewall of 16-embedding leg, the bottom surface of 17-embedding leg, the sidewall of 81-caulking groove, the bottom surface of 82-caulking groove.
The specific embodiment
The present invention is further described below in conjunction with the specific embodiment.
Extremely shown in Figure 12 as Fig. 1, the compound roller that rolls, comprise that cross section is the core roller 1 of N limit shape and the collars of being made up of N abaculus 5, a described N abaculus 5 is installed in respectively on N the installed surface 7 of core roller 1 one to one, installed surface 7 contacts that the bottom surface 10 of described abaculus 5 is corresponding with it, the two ends of described abaculus 5 are respectively arranged with embedding leg 4, the two ends of described abaculus 5 corresponding installed surfaces 7 are respectively arranged with the caulking groove 8 adaptive with described embedding leg 4, and described embedding leg 4 embeds in the described caulking groove 8 and by bolt 3 and links to each other with core roller 1.Above-mentioned embedding leg 4 and caulking groove 8 adaptive being meant: the sidewall 16 of above-mentioned embedding leg closely contacts with the sidewall 81 of caulking groove, and the bottom surface 17 of above-mentioned embedding leg closely contacts with the bottom surface 82 of caulking groove.Above-mentioned abaculus 5 can be made by high-abrasive material, as 70Cr3Mo or 50Cr4MoV etc., and N the abaculus 5 common formations compound wearing layer that rolls roller of the present invention.The cross section of above-mentioned core roller 1 can be 10 limit shapes or 12 limit shapes etc.
The compound roller that rolls of the present invention, owing to be respectively arranged with the embedding leg at the abaculus two ends, after embedding leg 4 embeds caulking groove 8, the sidewall 16 of embedding leg closely contacts with the sidewall 81 of caulking groove, the bottom surface 17 of above-mentioned embedding leg closely contacts with the bottom surface 82 of caulking groove, make 8 pairs of embedding legs 4 of caulking groove play the effect of spacing support, in the abaculus course of work, be subjected to doing the time spent than high pulling torque, can pass to caulking groove 8 by the moment of torsion that embedding leg 4 is subjected to abaculus, because caulking groove 8 is arranged on the core roller 1, therefore caulking groove 8 itself can be resisted bigger moment of torsion and not damage, and abaculus itself also just can normally use under bearing than the state of high pulling torque accordingly.
Whole stressed even in order to guarantee roll of the present invention, the cross section of described core roller 1 is a n-shaped.For example can be positive 8 limit shapes or positive 12 limit shapes etc.
More firmly between abaculus and the core roller to be connected and can to make abaculus resist more high pulling torque in order to make, be respectively arranged with lug boss 11 and concave part 9 one to one on the installed surface 7 of the bottom surface 10 of described abaculus 5 and correspondence thereof, described lug boss 11 embeds the inside of corresponding groove portions 9.Lug boss 11 embeds concave part 9 inside, can play the effect that the location is installed on the one hand, it is more firm that abaculus is connected with the core roller, and, lug boss 11 can pass to the core roller with the moment of torsion of abaculus opposing with cooperating also of concave part 9, thereby reaches the performance of further raising abaculus opposing moment of torsion.Above-mentioned lug boss 11 can be arranged on the bottom surface of abaculus, also can be arranged on the installed surface of core roller, and preferred implementation is: described lug boss 11 is arranged on the bottom surface 10 of described abaculus 5, and described concave part 9 is arranged on the described installed surface 7.Because of core roller 1 volume is bigger, comparatively difficulty of lug boss 11 is set on it, it is then relatively easy that lug boss 11 is set on abaculus 5, and help economical with materials.
Above-mentioned lug boss 11 can be key or pin etc., and corresponding above-mentioned concave part 9 can be keyway or pin-and-hole etc.Above-mentioned lug boss 11 also can be protruding strong, described lug boss 11 is protruding strong, described protruding strong two ends link to each other with the embedding leg 4 at abaculus 5 two ends respectively, described concave part 9 for connect described installed surface 7 and with described protruding strong adaptive groove, the two ends of described groove link to each other with the caulking groove 8 that the two ends of installed surface are provided with respectively, as Fig. 9 and shown in Figure 10, make that the cross section of abaculus is similar and be T shape; Behind the protruding strong embedding groove, protruding strong sidewall closely contacts with the inwall of groove, protruding strong bottom surface closely contacts with the bottom surface of groove, because groove extends to the other end from an end of installed surface, make that working as abaculus is subjected to doing the time spent than high pulling torque, can be by this moment of torsion transmission of protruding top-notch player and stepless action in the groove of core roller, make the core roller stressed evenly, can avoid causing damaging owing to core roller local pressure is excessive, help prolonging the service life of core roller, accordingly, abaculus is stressed also more even, helps prolonging the service life of abaculus.In addition, above-mentioned groove can be along the extending axially of core roller, also can with axially the extending at an angle of core roller, corresponding, above-mentioned protruding strong can be along the extending axially of mandrel, also can with axially the extending at an angle of core roller.In addition, the described protruding strong sidewall 15 and the sidewall 16 of embedding leg are positioned at same plane, and promptly protruding strong width is identical with the width of embedding leg, is convenient to accurately processing and accurately installation like this.
In addition, when roll be subjected in the course of the work that external factor applies than high pulling torque the time, can produce extruding between the adjacent wall of adjacent two abaculus, in order to reduce the destruction that above-mentioned extruding produces abaculus, as shown in Figure 1, be the face contact between the adjacent wall 12 of adjacent two described abaculus 5.
In order to improve the mechanical property of abaculus, be convenient to processing and installation simultaneously, shown in Fig. 9 to 12, described abaculus 5 is an integral structure with embedding leg 4 and lug boss 11.Owing to be integral structure, can avoid because local defect and the unbalance stress that factors such as welding are brought, help improving the mechanical property of abaculus, and, integral structure, help abaculus 5, embedding leg 4 and lug boss 11 and resist moment of torsion as a whole jointly, torsional property is significantly improved.
Compound manufacture method of rolling the abaculus of roller may further comprise the steps:
A, by electroslag furnace and crystallizer once-forming, form the founding part of integral structure, wherein, described founding part comprises above-mentioned abaculus, what be provided with on two embedding legs at abaculus two ends and the abaculus bottom surface is protruding strong, and the material composition of described founding part comprises by weight percentage:
C：0.30-4.00％，Cr：3.0-7.0％，Ni：0.5-3.0％，Mo：0.30-1.0％，W：0.5-2.0％，V：0.20-0.80％，
Ti:0.10-0.50%, B:0.001-0.05%, Nb:0.05-1.50%, N:0.50-1.50%, all the other are Fe, certainly, the material composition of founding part also can add the element that other is used to improve specific mechanical property according to actual needs, for example Al etc.;
B, described founding part is annealed;
C, the founding part that step B is obtained carry out roughing, form the roughing part, and part allowance is just removed in roughing;
D, the roughing part is quenched and tempering, form to be processed;
E, step D is obtained to be processed carry out fine finishining.
In the said method, crystallizer inside is the copper die cavity, the integral structure coupling of copper die cavity and abaculus, embedding leg and protruding strong formation, and molten steel is filled in above-mentioned die cavity inside, and the die cavity outside is the housing of crystallizer, is cooling water recirculation system between die cavity and the housing.The crystallization process of molten steel can be accurately controlled by cooling water, even, tiny crystal grain can be obtained; Owing to controlled crystallization process, made that the component segregation degree is very little; And any surface finish of founding part, allowance is little.
Embodiment one:
Extremely shown in Figure 6 as Fig. 1, the compound roller that rolls, comprise collars 2 and core roller 1, the cross section of described core roller 1 is positive 12 limit shapes, the outer surface of core roller 1 forms 12 installed surfaces 7, described collars 2 is made up of 12 abaculus 5, described 12 abaculus 5 are corresponding one by one with 12 installed surfaces 7, the bottom surface 10 of each abaculus 5 respectively with the 7 adaptive and contacts of corresponding installed surface, the bottom surface of each abaculus 5 is provided with 3 pins, corresponding installed surface 7 is provided with 3 pin-and-holes, above-mentioned pin embeds in the pin-and-hole one to one, the two ends of each abaculus 5 are respectively arranged with embedding leg 4, be respectively arranged with the caulking groove 8 adaptive with above-mentioned embedding leg 4 with the two ends of abaculus 5 corresponding installed surfaces 7, above-mentioned embedding leg 4 embeds in the caulking grooves 8, all is provided with bolt hole on embedding leg 4 and the caulking groove 8, by bolt 3 embedding leg 4 is linked to each other with core roller 1, above-mentioned abaculus 5 is an integral structure with embedding leg 4 and pin; The outer surface 6 common outer surfaces that form collars 2 of above-mentioned 12 abaculus 5.
Embodiment two:
Extremely shown in Figure 12 as Fig. 1 and Fig. 7, the compound roller that rolls, comprise collars 2 and core roller 1, the cross section of described core roller 1 is positive 12 limit shapes, the outer surface of core roller 1 forms 12 installed surfaces 7, described collars 2 is made up of 12 abaculus 5, described 12 abaculus 5 are corresponding one by one with 12 installed surfaces 7, the bottom surface 10 of each abaculus 5 respectively with the 7 adaptive and contacts of corresponding installed surface, the two ends of each abaculus 5 are respectively arranged with embedding leg 4, be respectively arranged with the caulking groove 8 adaptive with the two ends of abaculus 5 corresponding installed surfaces 7 with above-mentioned embedding leg 4, the bottom surface of each abaculus 5 is provided with protruding being good for, one end of described protruding strong bottom surface 10 by abaculus 5 extends to the other end, protruding strong two ends link to each other with two embedding legs at two ends respectively, and the protruding strong sidewall and the sidewall of embedding leg are positioned at same plane, corresponding installed surface 7 is provided with groove, this groove is by an end the extending axially to the other end of installed surface 7 along core roller 1 of installed surface 7, the two ends of groove link to each other with the caulking groove that the installed surface two ends are provided with respectively, in the above-mentioned groove of above-mentioned protruding strong embedding, above-mentioned embedding leg 4 embeds in the caulking groove 8, all be provided with bolt hole on embedding leg 4 and the caulking groove 8, embedding leg 4 is linked to each other above-mentioned abaculus 5 and embedding leg 4 and the protruding strong integral structure that is by bolt 3 with core roller 1; The outer surface 6 common outer surfaces that form collars 2 of above-mentioned 12 abaculus 5.
Embodiment three:
Compound manufacture method of rolling the abaculus of roller may further comprise the steps:
A, by electroslag furnace and crystallizer once-forming, form the founding part of integral structure, wherein, described founding part comprises described abaculus, embedding leg and protruding strong, the material composition of described founding part comprises by weight percentage:
C：0.30-4.00％，Cr：3.0-7.0％，Ni：0.5-3.0％，Mo：0.30-1.0％，W：0.5-2.0％，V：0.20-0.80％，
Ti:0.10-0.50%, B:0.001-0.05%, Nb:0.05-1.50%, N:0.50-1.50%, all the other are Fe;
B, described founding part is annealed, wherein, annealing process is: normal temperature is gone into stove, is warming up to 650 ℃ of insulations 2.5 to 3 hours with stove, continues to be warming up to 920 ℃ of insulations 4 to 4.5 hours, below the furnace cooling to 600 ℃, and the air cooling of coming out of the stove;
C, the founding part that step B is obtained carry out roughing, form the roughing part, and the allowance of roughing part is slightly larger than the upper limit of finished product tolerance;
D, the roughing part is quenched and tempering, form to be processed, wherein, quenching technical is: normal temperature is gone into stove, is warming up to 650 ℃ of insulations 2.5 to 3 hours with stove, continues to be warming up to 960 ℃ of insulations 3 to 3.5 hours, be warming up to 980 ℃ of insulations 10 minutes before coming out of the stove, abaculus is placed on the carriage that special use can make workpiece rotation, and workpiece rotation high wind cooling 25-30 minute is carried out with blower fan in the back of coming out of the stove, and temperature is reduced to 300-400 ℃; Workpiece after the quenching carries out tempering, quenches back 8 hours in, after workpiece temperature is lower than 200 ℃, workpiece is carried out temper, and temperature is 200 ℃, is incubated more than 6 hours the air cooling of coming out of the stove then;
E, step D is obtained to be processed carry out fine finishining, and fine finishining mainly comprises removal allowance, meets the finished product margin of tolerance, and surface of the work is handled, and the workpiece after the fine finishining is finished product.
The mechanical property of the finished product that makes by said method significantly improves than the mechanical property of abaculus of the prior art.
Embodiment four:
Compound manufacture method of rolling the abaculus of roller may further comprise the steps:
A, by electroslag furnace and crystallizer once-forming, form the founding part of integral structure, wherein, described founding part comprises described abaculus, embedding leg and protruding strong, the material composition of described founding part comprises by weight percentage:
C：0.30-4.00％，Cr：3.0-7.0％，Ni：0.5-3.0％，Mo：0.30-1.0％，W：0.5-2.0％，V：0.20-0.80％，
Ti:0.10-0.50%, B:0.001-0.05%, Nb:0.05-1.50%, N:0.50-1.50%, all the other are Fe;
B, described founding part is annealed, wherein annealing process is: 850-870 ℃ of insulation 3 to 4 hours, and 730-750 ℃ of insulation 5 to 6 hours, then stove was cold, at 500 ℃ of air coolings of coming out of the stove then;
C, the founding part that step B is obtained carry out roughing, form the roughing part, and the allowance of roughing part is slightly larger than the upper limit of finished product tolerance;
D, the roughing part is quenched and tempering, form to be processed, wherein, quenching technical is: adopted 500-550 ℃ of insulation 2 hours and 800-830 ℃ of insulation two-stage preheating in 4 hours, quenching temperature is 990-1010 ℃, temperature retention time is 1 to 1.5 hour, and heating finishes back isothermal 2h in 260-280 ℃ salt made from earth containing a comparatively high percentage of sodium chloride is bathed, and salt made from earth containing a comparatively high percentage of sodium chloride can be sodium nitrate or potassium nitrate etc.; Tempering process after the quenching is: be incubated 2h in 190-220 ℃ salt made from earth containing a comparatively high percentage of sodium chloride is bathed, then air cooling;
E, step D is obtained to be processed carry out fine finishining, and fine finishining mainly comprises removal allowance, meets the finished product margin of tolerance, and surface of the work is handled, and the workpiece after the fine finishining is finished product.
The mechanical property of the finished product that makes by said method significantly improves than the mechanical property of abaculus of the prior art.
Claims (9)
1. the compound roller that rolls, comprise that cross section is the core roller (1) of N limit shape and the collars of being made up of N abaculus (5), a described N abaculus (5) is installed in respectively on N the installed surface (7) of core roller (1) one to one, installed surface (7) contact that the bottom surface (10) of described abaculus (5) is corresponding with it, it is characterized in that: the two ends of described abaculus (5) are respectively arranged with embedding leg (4), the two ends of the corresponding installed surface of described abaculus (5) (7) are respectively arranged with the caulking groove (8) adaptive with described embedding leg (4), and described embedding leg (4) embeds in the described caulking groove (8) and by bolt (3) and links to each other with core roller (1).
2. the compound roller that rolls as claimed in claim 1 is characterized in that: the cross section of described core roller (1) is a n-shaped.
3. the compound roller that rolls as claimed in claim 1, it is characterized in that: be respectively arranged with lug boss (11) and concave part (9) one to one on the installed surface (7) of the bottom surface (10) of described abaculus (5) and correspondence thereof, described lug boss (11) embeds the inside of corresponding groove portion (9).
4. the compound roller that rolls as claimed in claim 3 is characterized in that: described lug boss (11) is arranged on the bottom surface (10) of described abaculus (5), and described concave part (9) is arranged on the described installed surface (7).
5. the compound roller that rolls as claimed in claim 4, it is characterized in that: described lug boss (11) is for protruding strong, described protruding strong two ends link to each other with the embedding leg (4) at abaculus (5) two ends respectively, described concave part (9) for connect described installed surface (7) and with described protruding strong adaptive groove, the two ends of described groove link to each other with the caulking groove (8) that the two ends of installed surface are provided with respectively.
6. the compound roller that rolls as claimed in claim 5 is characterized in that: the described protruding strong sidewall (15) and the sidewall (16) of embedding leg are positioned at same plane.
7. as any described compound roller that rolls in the claim 4 to 6, it is characterized in that: described abaculus (5) is an integral structure with embedding leg (4) and lug boss (11).
8. the compound roller that rolls as claimed in claim 1 is characterized in that: be the face contact between the adjacent wall (12) of adjacent two described abaculus (5).
9. as any described compound manufacture method of rolling the abaculus of roller in claim 5 or 6, it is characterized in that may further comprise the steps:
A, by electroslag furnace and crystallizer once-forming, form the founding part of integral structure, wherein, described founding part comprises described abaculus (5), embedding leg (4) and protruding strong, the material composition of described founding part comprises by weight percentage:
C：0.30-4.00％，Cr：3.0-7.0％，Ni：0.5-3.0％，Mo：0.30-1.0％，W：0.5-2.0％，V：0.20-0.80％，
Ti:0.10-0.50%, B:0.001-0.05%, Nb:0.05-1.50%, N:0.50-1.50%, all the other are Fe;
B, described founding part is annealed;
C, the founding part that step B is obtained carry out roughing, form the roughing part;
D, the roughing part is quenched and tempering, form to be processed;
E, step D is obtained to be processed carry out fine finishining.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110064812A CN102211111B (en) | 2011-03-17 | 2011-03-17 | Composite roller |
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| CN201110064812A CN102211111B (en) | 2011-03-17 | 2011-03-17 | Composite roller |
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| Publication Number | Publication Date |
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| CN102211111B CN102211111B (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794212A (en) * | 2012-08-15 | 2012-11-28 | 成都市新力设备制造有限责任公司 | Combined roller |
| CN103407193A (en) * | 2013-08-02 | 2013-11-27 | 江苏大学 | Combined press roll of circular mould type straw briquetting machine |
| CN103464242A (en) * | 2013-09-26 | 2013-12-25 | 成都市新力设备制造有限责任公司 | Combined roll shaft |
| EP2703085A1 (en) | 2012-08-29 | 2014-03-05 | Metso Brasil Industria e Comercio Ltda | Roll for a roller grinder, and roller grinder comprising such roll |
| CN107138712A (en) * | 2017-05-31 | 2017-09-08 | 南通高欣耐磨科技股份有限公司 | A kind of ZGM types can repair cermet composite grinding roll and manufacture method |
| CN108326046A (en) * | 2018-01-19 | 2018-07-27 | 太原理工大学 | A kind of detachable composite plate rolling special roller |
| CN112439504A (en) * | 2019-08-27 | 2021-03-05 | 湖北宜飞复合新材料有限公司 | Vertical mill roller skin structure based on cement special equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5000392A (en) * | 1989-05-10 | 1991-03-19 | Krupp Polysius Ag | Grinding roller |
| DE19539082A1 (en) * | 1995-10-20 | 1997-04-24 | Fraunhofer Ges Forschung | Tool carrier for round jaw rolling tools |
| DE19728267A1 (en) * | 1997-07-02 | 1999-01-07 | Schott Desag Ag | Inorganic hard brittle material crushing, especially glass, roller breaker |
| CN2577951Y (en) * | 2002-09-25 | 2003-10-08 | 张店钢铁总厂 | Assembled cracking rolls |
| CN101153377A (en) * | 2006-09-27 | 2008-04-02 | 宝山钢铁股份有限公司 | Leveler roll and manufacturing process thereof |
| CN201454582U (en) * | 2009-06-26 | 2010-05-12 | 湖南普沃尔重型机械有限公司 | Abrasion resistant roller |
-
2011
- 2011-03-17 CN CN201110064812A patent/CN102211111B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5000392A (en) * | 1989-05-10 | 1991-03-19 | Krupp Polysius Ag | Grinding roller |
| DE19539082A1 (en) * | 1995-10-20 | 1997-04-24 | Fraunhofer Ges Forschung | Tool carrier for round jaw rolling tools |
| DE19728267A1 (en) * | 1997-07-02 | 1999-01-07 | Schott Desag Ag | Inorganic hard brittle material crushing, especially glass, roller breaker |
| CN2577951Y (en) * | 2002-09-25 | 2003-10-08 | 张店钢铁总厂 | Assembled cracking rolls |
| CN101153377A (en) * | 2006-09-27 | 2008-04-02 | 宝山钢铁股份有限公司 | Leveler roll and manufacturing process thereof |
| CN201454582U (en) * | 2009-06-26 | 2010-05-12 | 湖南普沃尔重型机械有限公司 | Abrasion resistant roller |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794212A (en) * | 2012-08-15 | 2012-11-28 | 成都市新力设备制造有限责任公司 | Combined roller |
| EP2703085A1 (en) | 2012-08-29 | 2014-03-05 | Metso Brasil Industria e Comercio Ltda | Roll for a roller grinder, and roller grinder comprising such roll |
| WO2014033609A2 (en) | 2012-08-29 | 2014-03-06 | Metso Brasil Indústria E Comércio Ltda | Roll for a roller grinder, and roller grinder comprising such roll |
| CN103407193A (en) * | 2013-08-02 | 2013-11-27 | 江苏大学 | Combined press roll of circular mould type straw briquetting machine |
| CN103407193B (en) * | 2013-08-02 | 2016-01-20 | 江苏大学 | A kind of loop-die straw briquetting machine Combined press roller |
| CN103464242A (en) * | 2013-09-26 | 2013-12-25 | 成都市新力设备制造有限责任公司 | Combined roll shaft |
| CN107138712A (en) * | 2017-05-31 | 2017-09-08 | 南通高欣耐磨科技股份有限公司 | A kind of ZGM types can repair cermet composite grinding roll and manufacture method |
| CN108326046A (en) * | 2018-01-19 | 2018-07-27 | 太原理工大学 | A kind of detachable composite plate rolling special roller |
| CN112439504A (en) * | 2019-08-27 | 2021-03-05 | 湖北宜飞复合新材料有限公司 | Vertical mill roller skin structure based on cement special equipment |
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| CN102211111B (en) | 2012-08-29 |
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