CN208378957U - Roll-type distributing device - Google Patents
Roll-type distributing device Download PDFInfo
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- CN208378957U CN208378957U CN201721781090.8U CN201721781090U CN208378957U CN 208378957 U CN208378957 U CN 208378957U CN 201721781090 U CN201721781090 U CN 201721781090U CN 208378957 U CN208378957 U CN 208378957U
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Abstract
The utility model relates to roller technical fields, provide roll-type distributing device.Wherein, roller includes the body of roll and the body of roll end is arranged in and can drive the roll neck of the body of roll rotation, and the body of roll includes roller set and the roller core in roller set.The roller of the utility model, the body of roll include roller set and roller core, and central roll set needs to meet abrasion demand and roller core does not need, and roller core only needs to support requirement.Therefore, on the basis of meeting body of roll strength and stiffness requirement, by the way that roller set and roller core are used different materials, the manufacturing cost of roller can be reduced, and avoid waste of roller when scrapping to rare precious resource.
Description
Technical field
The utility model relates to industry metallurgy technical fields, are related to roll-type distributing device.
Background technique
Currently, the primary raw material resource of increasing considerably with China's steel production capacity, smelting is increasingly in short supply, each steel enterprise
The sintering plant of industry, sinter raw material structure just have changed a lot therewith.In the raw material of many sintering plants all with addition of
A part of thin concentrate, some is even based on thin concentrate.Thin concentrate is even from several different sources, category in many cases
In different cultivars.Meanwhile on the other hand, in order to make full use of heat source, the consumption of fuel (based on coal dust), each sintering are reduced
Factory has generallyd use mixture Intensified support technology and deep bed sintering low temperature down draft sintering technology at present, this is just to mating with sintering machine
The Strand Feeding Technique of roll-type distributing device more stringent requirements are proposed.
Due to sintering machine be from upper face igniting, the gradually process burnt downwards, sintering process there is the bed of material from
Dynamic accumulation of heat phenomenon, typically results in sinter layer top shortage of heat, and lower part heat surplus, to be easy to keep sinter quality uneven
It is even.Especially when deep-bed sintering, this trend is just even more serious.
Referring to Figure 1, for 001 cloth process of roll-type distributing device, it is desirable that lack to the destruction of mixture granulation, the bed of material
The mix size segregation in the upper, middle and lower portion in (in terms of cross section) rationally will meet the down big up small rule of granularity, and charge level
Want uniform, smooth, to ensure that the bed of material has good gas permeability, the sintering temperature to guarantee upper and lower layer in sintering process is basic
It is identical, so that sinter quality equalization stable.
As, to the capital equipment of sintering pallet cloth, roll-type distributing device 001 is installed on burning in deep-bed sintering technique
Under knot machine round roller batcher or other feeding devices, by inclined setting angle, roller rotation and roller between
Gap effect has the function of uniformly screening, segregation distribution.By adding various ingredients and mixing, being mixed containing Iron Ore Powder of pelletize
Close the roller that material is continuously discharged to roll-type distributing device 001 from blending bunker via round roller batcher or wide belt feeder
On.When the cloth roller rotary work of roll-type distributing device 001, raw materials for sintering is conveyed with the relay of multiple cloth rollers
Onto sintering pallet.Biggish be delivered as quickly of particle is assigned to trolley lower part, and particle is lesser then to pass through cloth roller
Between gap, the middle and upper part of trolley is fallen into, please with further reference to Fig. 1.Meanwhile it can come by adjusting the revolving speed of cloth roller
Adjust degree of segregation.Obviously, the rotation of cloth roller is faster, and mix size segregation is larger；Conversely, cloth roller rotates slowly,
Mix size segregation is just small in addition, according to material composition difference and production capacity difference, also to adjust the tilt angle of distributing device.
Angle is bigger, cloth is faster, corresponding production capacity increases.The segregation of mix size namely causes fuel in vertical direction
Segregation, fuel content gradually decrease from bottom to up, to complete the degree of segregation of control mixture, reach the solid carbon in the bed of material
(i.e. coal dust) is moderately segregated, and realizes sinter bed upper temp being adjusted to substantially uniform with temperature of lower, improves vertical sintering
Speed and sintering output reduce energy consumption, meanwhile, also ensure that sinter quality is substantially uniform.
Roller is the important composition component of roll-type distributing device 001, it is made of the body of roll and roll neck etc., and the body of roll and roll neck pass through
It is welded after the insertion cooperation of hole axle form integral.Body of roll part is in the process of running directly by hard Iron Ore Powder mixture
It washes away and rubs, body of roll outer surface is caused ceaselessly to be worn.In order to guarantee that the body of roll is wear-resisting and sizing, the pipe thickness of the body of roll do not need
Reach 15~20 millimeters；The material that the body of roll selects is the higher stainless steel of nickel chromium content.This kind of roller manufacturing cost is higher.
Also, according to the requirement of sintering process, when the gap between two rollers is more than 10 millimeters or more, just must pair roller barrel scrap and change
New processing, thus will cause the wasting of resources of rare precious metal nickel chromium triangle again.
Utility model content
The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.
One of purpose of the utility model is: providing a kind of roller and the roll-type distributing device including the roller, solves
Roller manufacturing cost existing in the prior art is high, and frequently scraps and renew the problem of resulting in waste of resources.
In order to realize the purpose, the utility model provides a kind of roller, including the body of roll and setting in the body of roll end
And the roll neck of the body of roll rotation can be driven, the body of roll includes roller set and the roller core in roller set.
Preferably, the roller core in a tubular form, be inserted into the roller core and fixed by the shaft end of the roll neck.
Preferably, the limit shaft shoulder is formed on the roll neck,
And/or
Limited step is formed with inside the roller core.
Preferably, when being formed with the limit shaft shoulder on the roll neck, the end of the limit shaft shoulder and the roller core and roller set
Portion is opposite, and the outer surface for making the roll neck and the roller cover junction flushes.
Preferably, the first set distance, the limit shaft shoulder are kept between the limit shaft shoulder and the end face of the roller core
The second set distance is kept between the end face of the roller set, first set distance is less than second set distance, institute
It states and is welded and fixed between the limit shaft shoulder, the end face of roller core and the end face of roller set.
Preferably, the roller puts on several plug welding holes of setting, and the roller set and the roller core are welded by the plug welding hole.
Preferably, it is fixedly mounted between the roller set, roller core and roll neck three using dismountable mode.
Preferably, the material of the roller set is the higher stainless steel of nickel chromium content, and the material of the roller core is ordinary carbon steel.
Preferably, the roll neck includes positioned at the first roll neck of the body of roll first end and positioned at the body of roll second end
The second roll neck, first roll neck includes first flange, and installation circular hole or peace is formed on the flange face of the first flange
Fill boss；Second roll neck includes second flange, and installation circular hole is formed on the flange face of the second flange or installation is convex
Platform.
The utility model also provides a kind of roll-type distributing device, including synchronizer/first bearing case and second bearing case, described
Above-mentioned roller is installed between synchronizer/first bearing case and the second bearing case；
When the roll neck includes the first roll neck positioned at the body of roll first end and the positioned at the body of roll second end
Two roll necks, first roll neck includes first flange, and installation circular hole is formed on the flange face of the first flange or installation is convex
Platform；Second roll neck includes second flange, when being formed with installation circular hole or installation base on the flange face of the second flange:
The synchronizer/first bearing case includes the third flange with first flange cooperation, the second bearing case
Including the 4th flange cooperated with the second flange.
The technical solution of the utility model has the advantage that the roller of the utility model, the body of roll include roller set and roller
Core, central roll set needs to meet abrasion demand and roller core does not need, and roller core only needs to support requirement.Therefore, meeting roller
On the basis of body strength and stiffness require, by the way that roller set and roller core are used different materials, can reduce the manufacture of roller at
This, and avoid waste of roller when scrapping to rare precious resource.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the roll-type distributing device of the prior art；
Fig. 2 is the schematic cross-sectional view of the roller of embodiment；
Fig. 3 is the schematic side view of the roller of embodiment；
Fig. 4 is the positional diagram limited between the shaft shoulder, the end face of roller set and the end face of roller core in embodiment；
Fig. 5 is the schematic cross-sectional view of the first roll neck of embodiment；
Fig. 6 is the schematic side view of the first roll neck of embodiment；
Fig. 7 is the schematic cross-sectional view of the second roll neck of embodiment；
Fig. 8 is the schematic side view of the second roll neck of embodiment；
In figure: 001, roll-type distributing device；1, the first roll neck；101,201, the shaft shoulder；102, first flange；103, installation circle
Hole；104,204, bolt hole；2, the second roll neck；202, installation base；3, roller core；4, roller set；401, plug welding hole；5, annular welds
Seam.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, and should not be understood as
Indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
It should be noted that the present embodiment is illustrated by taking roll-type distributing device in the middle of the roller as an example.Without loss of generality, this implementation
The roller of example can be applicable to other similar applications in addition to can be adapted for roll-type distributing device.
Refer to Fig. 2 and Fig. 3, the roller of embodiment, including the body of roll and roll neck.Wherein, the end of the body of roll is arranged in roll neck
And the body of roll can be driven to rotate.The body of roll includes roller set 4 and the roller core 3 in roller set 4.
The roller of the present embodiment, the body of roll include roller set 4 and roller core 3, and central roll set 4 needs to meet abrasion demand and roller core
3 do not need, and 3 needs of roller core meet support and require.Therefore, on the basis of meeting body of roll strength and stiffness requirement, lead to
It crosses and roller set 4 and roller core 3 is used into different materials, the manufacturing cost of roller can be reduced, and avoid roller when scrapping to rare
The waste of precious resource.
Under normal circumstances, roller set 4 is other than wear-resisting, it is also necessary to not sizing, therefore preferably still necessarily roller set 4 uses
The higher stainless steel of nickel chromium content.And for roller core 3, generally only need to carry moment of flexure and torque, therefore roller core 3 is using common
Carbon steel.Also, the pipe thickness of roller set 4 is designed slightly larger than the roller gap of requirement of actual working condition, to can expire
The wear-resisting requirement required in sufficient use, and manufacturing cost can be reduced, the resource of rare precious metal nickel chromium triangle is saved, meets country and mentions
The conservation-minded society advocated requires.
Obviously, in the case of this kind, relative to integral type the and whole body of roll for using the higher stainless steel of nickel chromium content, originally
The manufacturing cost of the body of roll of embodiment is greatly reduced.
Certainly, the material of the body of roll of the present embodiment, roller set 4 and roller core 3 should not be limited by the examples.As long as roller set 4
It is able to satisfy wear-resisting requirement, roller core 3 is able to satisfy support demand, and the roller set 4 and roller core 3 of any material should all be included in the application's
Within protection scope.
In addition, roller core 3 and roller set 4 can use the seamless steel pipe of standard in the present embodiment, can also be carried out using plate
Welding fabrication again after reel, or casting and forming is used, etc..
In the present embodiment, preferably but necessarily the roller core 3 is in a tubular form, and the roller core 3 is inserted into the shaft end of the roll neck
In and it is fixed.It will be apparent that the structure of roll neck and the body of roll and type of attachment between the two are unrestricted, as long as roll neck can drive
Body of roll rotation.For example, can also specifically be designed roll neck, in addition to roll neck to be inserted into roller core 3 so that the body of roll
It is inserted into roll neck as a whole.
Refer to Fig. 2, in order to facilitate the installation between roll neck and roller core 3, can be arranged on roll neck the limit shaft shoulder 101,
201 (in conjunction with attached drawing 5 and attached drawings 7) can limit the installation position between roll neck and roller core 3 by the limit shaft shoulder 101,201
It sets, so that roll neck and roller core 3 position on the length direction of roller determine relatively.Certainly, in addition to limit shaft is arranged on roll neck
Other than shoulder 101,201, limited step can also be set inside roller core 3 and (show limited step in attached drawing 2 but do not mark
Note).Alternatively, the limit shaft shoulder 101,201 can also be arranged on roll neck simultaneously, and limited step is set inside roller core 3.
In Fig. 2, the limit shaft shoulder 101,201 is formed on roll neck, and be formed with limited step inside roller core 3 simultaneously.
In the case of this kind, after the shaft end of roll neck is inserted into 3 inside of roller core, the end face of shaft end is connected on limited step, to prevent
Roll neck is towards body of roll play.In addition, the end face of the body of roll abuts the limit shaft shoulder 101,201, (end face of the body of roll passes through welding in attached drawing
Filler abuts the limit shaft shoulder 101,201) indirectly.To limit the shaft shoulder 101,201 and limited step forms double limitation, guarantee
Installation site between roll neck and roller core 3.
Further, when being formed with the limit shaft shoulder 101,201 on the roll neck, the limit shaft shoulder 101,201 and institute
It is opposite with the end that roller covers 4 to state roller core 3, and preferably so that the outer surface that the roll neck and the roller cover 4 junctions flushes.This kind
In the case of, it can also be participated in cloth process on roll neck with body of roll junction.Certainly, roll neck and roller cover the outer of 4 junctions
Surface can also be in not concordant state.
Fig. 4 is referred to, keeps the first set distance, institute between the limit shaft shoulder 101,201 and the end face of the roller core 3
It states and keeps the second set distance between the limit shaft shoulder 101,201 and the end face of roller set 4.It is preferred that but necessarily described first
Set distance is less than second set distance, so that roller core 3 is at least partially exposed at outside roller set 4.On this basis, described
It is welded and fixed between the limit shaft shoulder 101,201, the end face of roller core 3 and the end face of roller set 4, please further referring to fig. 2, is limited
Two circular welds 5 formed between the shaft shoulder 101,201, the end face of roller core 3 and the end face of roller set 4.
In order to further ensure the reliability installed between roller core 3 and roller set 4, several plugs further are set on roller set 4
Welding hole 401, the roller set 4 and the roller core 3 are welded by the plug welding hole 401.
Certainly, when using the fixed roll neck of welding manner, roller core 3 and roller set 4, the concrete form of welding is not by attached drawing
Limitation.
It is noted that in the present embodiment, in addition to fixing it by the way of welding between roll neck, roller core 3 and roller set 4
Outside, it can also be fixed using dismountable mode.Also, when using the fixed roll neck of dismountable mode, roller core 3 and roller set 4,
Once roller set 4 is worn when need replacing, it can be individually replaced roller set 4, to further decrease the maintenance cost of roller.
In addition, roller core 3 and roll neck can also be individually replaced.
Concave inlaid structure is set for example, can cover in roller, so that between roller set 4 and roller core 3 between 4 and roller core 3
Detachably.Similarly, concave inlaid structure is also provided between roller core 3 and roll neck.Roller core 3 is driven to rotate when roll neck rotation,
And 4 rotation of roller set is driven in turn.When roller set 4 needs replacing, it can be individually replaced roller set 4, and roller core 3 and roll neck then may be used
With recycling.
A countersunk head threaded hole is set in another example can cover in roller on 4, threaded hole is set on roller core 3 and roll neck, thus
By the countersunk head threaded hole on a screw or screw bolt passes roller set 4, the screw thread on threaded hole and roll neck on roller core 3
Hole, to realize the synchronous rotation of roll neck and the body of roll.In the case of this kind, due to being provided that countersunk head threaded hole on roller set 4, thus spiral shell
Nail or the head of bolt and the outer surface of the body of roll flush, to not influence cloth.
For another example roll neck, roller core 3 and roller set 4, etc. can also be connected by pin.
Dismountable connection type does not constitute the limit to the application protection scope between the above roll neck, roller core 3 and roller set 4
System.
It should be noted that can also carry out built-up welding directly on roller core 3 obtains wear-resisting roller set 4.
Further, the roll neck of the present embodiment includes positioned at the first roll neck 1 of the body of roll first end and positioned at described
Second roll neck 2 of body of roll second end, first roll neck 1 includes first flange 102, on the flange face of the first flange 102
It is formed with installation circular hole or installation base；Second roll neck 2 includes second flange, is formed on the flange face of the second flange
There are installation circular hole or installation base.
It can see in attached drawing 5 and Fig. 6, installation circular hole 103 be provided in the first flange 102 of the first roll neck 1.As a result,
Cooperate with first flange 102, the third flange on synchronizer or first bearing case is provided with and the installation circular hole
103 installation bases to match.
In attached drawing 7 and attached drawing 8 it can be seen that, installation base 202 is provided in the second flange of the second roll neck 2.As a result, and
Second flange cooperation, the 4th flange on second bearing case is provided with the installation to match with the installation base 202
Circular hole.
Installation circular hole 103 or installation base 202 in first flange 102 and second flange through the above arrangement,
The shearing force of coupling bolt in first flange 102 and second flange can be mitigated, and then improve the service life of coupling bolt, and
Guarantee the reliability of roller installation.
In attached drawing 5 and attached drawing 7, first flange 102 and second flange are end flanges, certainly, are not constituted to first
The other positions in roll neck also can be set in the limitation of 2 structure of roll neck 1 and the second roll neck, first flange 102 and second flange.
By the way that flange is arranged on roll neck, do not need to dismantle other incoherent zero when needing replacing some roller
Part, it is only necessary to coupling bolt is unclamped, firmly makes roller towards the mobile set distance in the direction of second bearing case, such as 10mm or more
Distance can advantageously remove roller.It is convenient to install new roller in turn.The labour for alleviating maintenance in this way is strong
Degree, and the time of maintenance is saved, it is beneficial to the raising of the operating efficiency of sintering machine.
Certainly, in addition in the above first flange 102 and second flange setting installation circular hole 103 and installation base 202 with
Outside, it can also be substituted by the way that keyway or protrusion are arranged in first flange 102 or second flange.
The present embodiment also provides a kind of roll-type distributing device, including synchronizer, and synchronizer connects first bearing case, first bearing
Case is connected with the first end of upper roller, and the second end of roller is connected with second bearing case.To which roller is mounted on first bearing
Between case and second bearing case.Certainly, synchronizer can not also be directly connected to roller by first bearing case, so that roller is installed
Between synchronizer and second bearing case.
Further, when the roll neck includes positioned at the first roll neck 1 of the body of roll first end and positioned at the body of roll
Second roll neck 2 of second end, first roll neck 1 include first flange 102, are formed on the flange face of the first flange 102
There are installation circular hole or installation base；Second roll neck 2 includes second flange, is formed with peace on the flange face of the second flange
When filling circular hole or installation base:
The synchronizer/first bearing case includes the third flange with the first flange 102 cooperation, the second bearing
Case includes the 4th flange with second flange cooperation.
It will be apparent that cooperate third flange and first flange 102, then when being provided with installation in first flange 102
When circular hole 103, the installation base cooperated with installation circular hole 103 is provided on third flange.Similarly, in the 4th flange
Circular hole is installed in upper setting.
On the basis of above, the present embodiment also provides a kind of method for processing above-mentioned roller, comprising:
(1) it stocks up:
Using the design outside diameter d of roller as benchmark, roller covers 4 outer diameters and selects stainless steel 2mm~4mm bigger than design outside diameter d
Material seamless pipe, it is 10mm~12mm smaller than design outside diameter d that roller covers 4 internal diameters；The body of roll selects ordinary carbon steel seamless steel pipe, and roller core
Outer diameter it is 2mm~4mm bigger than the internal diameter of roller set 4, the internal diameter of roller core is 20mm~26mm smaller than the internal diameter of roller set 4.Roll neck is selected straight
Diameter ordinary carbon steel round steel 2mm~4mm bigger than design outside diameter d.
(2) blanking:
Using the distance between the first flange 102 at roller both ends and second flange as benchmark.3 length of roller core is typically designed
At mating pallet effective width 80mm~100mm is greater than, roller set 4 is 10mm shorter than 3 length of roller core, and roll neck length is generally set
200mm or so is counted into, it is 60mm or so that roll neck, which is inserted into shaft end length in roller core 3,.
(3) roller core 3 machines:
Roller core 3 belongs to elongated hollow axis, and rigidity is poor, and needs to penetrate roller and cover 4 inner cavities.3 Excircle machining of roller core uses vehicle
It cuts, the outer diameter after Excircle machining is about 0.8mm~1.2mm smaller than roller 4 internal diameters of set.The present embodiment selects 3 outer diameter of roller core than roller set 4
The small 1mm of internal diameter both can guarantee that the cooperation of the two was rigid so that it is 0.5mm that it is unilateral, which to cover 4 fit clearances, for roller core 3 and roller in the case of this kind
Degree, and the difficulty that roller core 3 is installed to poling during roller covers in 4 can be reduced.
Since roller core 3 belongs to slender rod piece turning, under the action of cutting force, gravity, temperature distortion and top pretightning force,
Roller core 3 is easily bent even unstability, it is therefore necessary to reasonable process for machining be selected to improve stress problem.Therefore, in turning roller
The outer bowlder of core 3 can choose 1~2 lathe center frame of configuration in the middle part of roller core 3 according to the length of roller core 3, and configure a vehicle
Bed follow-rest, using the tailstock center of elasticity, using the installation way on one top of a folder.
Meanwhile in turning engineering, reasonable cutting-tool angle is selected.For example, can choose anterior angle is 13 °~17 °, it is main inclined
60 °~75 ° of angle, the cutter that 0 °~10 ° of cutting edge inclination, and cutting data is controlled, including take lesser cutting depth, the amount of feeding
And cutting speed.
Also, it can be to measures such as working position spraying cooling liquid to prevent temperature distortion in cutting process.When roller core 3
Outer surface after processing is completed, the inner hole at 3 both ends of turning roller core and roll neck cooperation, and to 8x35 ° of chamfering on the outside of 3 two-port of roller core,
As welding groove.
(4) 4 machining of roller set:
8x45 ° of chamfering is covered on the outside of 4 two-ports to roller, as welding groove.Since roller set 4 is with there are unilateral between roller core 3
The gap of about 0.5mm is set using covering in roller in technique on 4 length directions at interval of about 800mm for the overall stiffness for guaranteeing roller
A plug welding hole 401 is set, to obtain four diameter 10mm~15mm plug welding holes 401 being formed on roller set 4, each group plug welding hole
401 staggered helicals arrangement.
(5) roll neck machines:
It is rough turn to the first roll neck 1 and the second roll neck 2, except the installation in first flange 102, second flange, first flange 102
The bolt hole on installation base 202 and 102 bolt hole 104 of first flange and second flange on circular hole 103, second flange
204 do not process outside, and rest part presses figure turning in place, then bulk heat treatmet is quenched.
(6) roller group is welded:
Roller core 3 is first penetrated into roller and covers 4 inner cavities, then 3 both ends of roller core are inserted into the shaft end of the first roll neck 1 and the second roll neck 2
Inner cavity pays attention to the both ends of the surface for keeping roller core 3 respectively apart from the limit shaft shoulder 101,201 position 2mm, and roller covers 4 both ends of the surface distance respectively
Limit the shaft shoulder 101,201 position 5mm.Gas shielded arc welding is used between roller core 3, roller set 4 and roll neck, selects A102 or A107 weldering
Silk, adjusts good position in welding platform, and first spot welding is fixed, and then connects the circular weld 5 between roller core 3, roller set 4 and roll neck
It is continuous to be fully welded.All plug welding holes 401 for covering preboring on 4 to roller later are fully welded, so that the connection for reinforcing roller core 3 and roller set 4 is rigid
Degree.Multiple groups plug welding hole 401 is drilled out on roller set 4, the coupling stiffness between roller set 4 and roller core 3 can be effectively increased, eliminates roller set 4
With the adverse effect of 3 fit clearance of roller core.
After the completion of group weldering, pair roller barrel carries out oscillating aging or artificial aging processing, to eliminate welding stress；It finishes again,
The cylindricity of guarantee body of roll entirety is met the requirements with surface roughness and the concentricity requirement between the body of roll and roll neck center.
(7) roller machines:
Roller Excircle machining uses turning, since roller still falls within slender rod piece turning, in cutting force, gravity, is heated
Under the action of deformation and top pretightning force, roller is easily bent even unstability.Therefore, outside turning roller bowlder according to different length
Degree, roller middle part configures 1~2 lathe center frame, and configures a backrest, using the tailstock center of elasticity.Meanwhile
In turning engineering, using the installation way on one top of a folder.
Select reasonable cutting-tool angle.For example, can choose 13 °~17 ° of anterior angle, 60 °~75 ° of tool cutting edge angle, 0 ° of cutting edge inclination
~10 ° of cutter, and cutting data is controlled, including using lesser cutting depth, the amount of feeding and cutting speed.
Thermal deformation can be prevented to working position spraying cooling liquid in cutting process.After the completion of roller Excircle machining, then plus
The flange face at work roller both ends, the bolt hole 104 in first flange 102, the bolt hole 204 in second flange, first flange 102
On installation circular hole 103 and second flange on installation base 202.
In above method, bowlder is equivalent on workpiece using follow-rest and centre frame outside turning roller core 3 and roller
A support is increased, the rigidity of workpiece is increased, influence of the radial cutting force to elongated shaft can be efficiently reduced.Also,
Turning roller core 3 and the outer bowlder of roller push up installation way, and the top tailstock center using elasticity therein using a folder one, make
It can freely be extended after elongated shaft is heated, reduce the deformation of its heated bending.In addition, the bowlder outside turning roller core 3 and roller, uses
Reasonable cutting data, reduces the radial cutting force of workpiece, while reducing cutting heat.Furthermore outside turning roller core 3 and roller
Bowlder can greatly reduce the radial cutting force of workpiece using reasonable cutting-tool angle.Finally, outside turning roller core 3 and roller
Bowlder can take away rapidly most cutting heat to working position spraying cooling liquid in cutting process, reduce the heat product of workpiece
Storage and thermal deformation.
Embodiment of above is merely to illustrate the utility model, rather than limitations of the present invention.Although referring to implementation
The utility model is described in detail in example, those skilled in the art should understand that, to the technology of the utility model
Scheme carries out various combinations, modification or equivalent replacement, without departing from the spirit and scope of the technical scheme of the present invention, should all
Cover in the scope of the claims of the utility model.
Claims (9)
1. a kind of roll-type distributing device, including synchronizer/first bearing case and second bearing case, which is characterized in that the synchronizer/
Roller is installed, the roller includes the body of roll and is arranged in the body of roll end between first bearing case and the second bearing case
And the roll neck of the body of roll rotation can be driven, the body of roll includes roller set and the roller core in roller set；
When the roll neck includes positioned at the first roll neck of the body of roll first end and positioned at the second roller of the body of roll second end
Neck, first roll neck includes first flange, and installation circular hole or installation base are formed on the flange face of the first flange；Institute
Stating the second roll neck includes second flange, when being formed with installation circular hole or installation base on the flange face of the second flange:
The synchronizer/first bearing case includes the third flange with first flange cooperation, and the second bearing case includes
With the 4th flange of second flange cooperation.
2. roll-type distributing device according to claim 1, which is characterized in that the roller core in a tubular form, the shaft end of the roll neck
It is inserted into the roller core and fixed.
3. roll-type distributing device according to claim 2, which is characterized in that the limit shaft shoulder is formed on the roll neck,
And/or
Limited step is formed with inside the roller core.
4. roll-type distributing device according to claim 3, which is characterized in that when being formed with the limit shaft shoulder on the roll neck,
The limit shaft shoulder is opposite with the end that the roller core and roller cover, and the roll neck and the roller is made to cover the outer surface of junction
It flushes.
5. roll-type distributing device according to claim 4, which is characterized in that it is described limit the shaft shoulder and the roller core end face it
Between keep the first set distance, keep the second set distance between the limit shaft shoulder and the end face of roller set, described first
Set distance is less than second set distance, is welded and fixed between the limit shaft shoulder, the end face of roller core and the end face of roller set.
6. roll-type distributing device according to claim 5, which is characterized in that the roller puts on several plug welding holes of setting, described
Roller set and the roller core are welded by the plug welding hole.
7. roll-type distributing device according to claim 1, which is characterized in that adopted between the roller set, roller core and roll neck three
It is fixedly mounted with dismountable mode.
8. roll-type distributing device as claimed in any of claims 1 to 7, which is characterized in that the material of roller set is
The higher stainless steel of nickel chromium content, the material of the roller core are ordinary carbon steel.
9. roll-type distributing device as claimed in any of claims 1 to 7, which is characterized in that the roll neck includes being located at
First roll neck of the body of roll first end and the second roll neck positioned at the body of roll second end, first roll neck include first
Flange is formed with installation circular hole or installation base on the flange face of the first flange；Second roll neck includes second flange,
Installation circular hole or installation base are formed on the flange face of the second flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721781090.8U CN208378957U (en) | 2017-12-19 | 2017-12-19 | Roll-type distributing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721781090.8U CN208378957U (en) | 2017-12-19 | 2017-12-19 | Roll-type distributing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208378957U true CN208378957U (en) | 2019-01-15 |
Family
ID=64978269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721781090.8U Active CN208378957U (en) | 2017-12-19 | 2017-12-19 | Roll-type distributing device |
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| Country | Link |
|---|---|
| CN (1) | CN208378957U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108004393A (en) * | 2017-12-19 | 2018-05-08 | 湖南中冶长天重工科技有限公司 | A kind of roller and the roll-type distributing device including the roller |
| CN108004393B (en) * | 2017-12-19 | 2024-05-31 | 湖南中冶长天重工科技有限公司 | Roller and roller type distributing device comprising same |
-
2017
- 2017-12-19 CN CN201721781090.8U patent/CN208378957U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108004393A (en) * | 2017-12-19 | 2018-05-08 | 湖南中冶长天重工科技有限公司 | A kind of roller and the roll-type distributing device including the roller |
| CN108004393B (en) * | 2017-12-19 | 2024-05-31 | 湖南中冶长天重工科技有限公司 | Roller and roller type distributing device comprising same |
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