If the hub bearing assembly and bearing assembly method of rolling
Technical field
The present invention relates to hub bearing field more particularly to a kind of hub bearing assembly for setting rolling and bearing assembly sides
Method.
Background technique
Existing hub bearing by inner flange, the outward flange structure that is set on inner flange and is supported by rolling element
At.In order to guarantee that wearability, inner flange and outward flange must be quenched with the position that rolling element contacts, and due to flange shape
It results in flange to be merely able to the position that rolling element contacts using impewdance matching, the technical requirements are high, carry out depth and hardness
Strict control, processing technology is complicated, and the relatively conventional heat treatment of processing stability is poor, difficult so as to cause the manufacture craft of hub bearing
Degree increases.
Summary of the invention
The first purpose of this invention is intended to provide a kind of hub spindle for setting rolling that can save quenching technical when making
Assembly is held, solves the problems, such as that existing hub bearing manufacture craft difficulty is big.
Without the wheel hub for setting rolling of press-loading process when second object of the present invention is further intended to provide a kind of assembly
Bearing assembly, to solve the problems, such as that bearing press mounting assembly is easy to produce damage phenomenon.
The above technical problem solves by the following technical programs: a kind of hub bearing assembly setting rolling, feature
Be, including inner flange, outward flange and bearing, the bearing include bearing inner race, bearing outer ring and be located at bearing outer ring and axis
The rolling element between inner ring is held, the inner flange includes inside flange portion axle sleeve, and one end of the inside flange portion axle sleeve is equipped with interior method
Blue portion's ring flange and inner flange pan portion keep off consecutive rank, and the outward flange includes outside flange portion axle sleeve and outside flange portion ring flange, institute
It states inside flange portion axle sleeve to wear and be fixed in the bearing inner race, the other end of the inside flange portion axle sleeve is equipped with rolling, institute
Stating rolling cooperates the consecutive rank of the inner flange pan portion gear to clamp the bearing inner race, and the outside flange portion axle sleeve is arranged and fixes
On the bearing outer ring.The technical program is by directly forming wheel hub by the way that existing bearing to be fixed between interior outward flange
Bearing can rotate between interior outward flange to realize, so that the production of hub bearing eliminates quenching process, play and mention
The effect of height production hub bearing convenience.Bearing inner race cooperates the consecutive rank of inner flange pan portion gear to clamp by rolling, so that
Bearing inner race between inside flange portion axle sleeve it is affixed it is more reliable, can either prevent that opposite circumferential direction is mobile and can prevent again
Generate axially opposite movement.
Preferably, being interference fit between the outside flange portion axle sleeve and the bearing outer ring.
Preferably, the inner flange and outward flange are all press forging.
Preferably, the bearing is double-row bearing, there are two the inner rings, and the outside flange portion axle sleeve is far from the rolling
The one end on side is equipped with the in-flanges for keeping off and connecing in the bearing outer ring end.Connection is reliable.
Preferably, being clearance fit between the inside flange portion axle sleeve and the bearing inner race.Bearing is assembled to interior
Without press fitting when on flange portion axle sleeve, second goal of the invention is realized.
Preferably, the bearing includes two single-row bearings, it is connected in the outside flange portion axle sleeve along outside flange portion
The baffle ring of axle sleeve circumferentially extending, the baffle ring are isolated between the bearing outer ring of described two single-row bearings.It can effectively prevent
Outward flange is detached from from bearing.
Preferably, the bearing outer ring of the single-row bearing is equipped with the axis of indent towards the end face of one end of the baffle ring
Message identification is held, the end face of the baffle ring is equipped with the annular groove circumferentially extended along baffle ring, is equipped in the annular groove by bearing
The becket that outer ring welds together with baffle ring, the becket are filled into the bearing message identification, the becket
Fusing point is lower than the fusing point of the bearing outer ring and the fusing point of outside flange portion axle sleeve.Bearing can be improved using bearing message identification
Outer ring is the same as the affixed reliability between outside flange portion axle sleeve.
Preferably, being clearance fit between the outside flange portion axle sleeve and the bearing outer ring.Bearing is assembled to outer
Without press fitting when on flange portion axle sleeve, second goal of the invention is realized.
Preferably, the retaining ring is integrally formed together with the outside flange portion axle sleeve.Connection is reliable easy to make.
Preferably, the end face of the inside flange portion axle sleeve is equipped with the blind hole axially extending along inside flange portion axle sleeve, institute
It states blind hole and is equipped with the through-hole being aligned with the bearing inner race, be equipped with top in the through-hole, driving is equipped in the blind hole
Bar, the drive rod are equipped with the inner peripheral surface that the driving when the cecum of drive rod towards blind hole is mobile withstands on the bearing inner race
On jacking block, the drive rod ejector spring for driving the drive rod to stretch out the blind hole is equipped in the blind hole, the blind hole
Open end is equipped with thread segment, and the thread segment is threaded with the driving drive rod thread head mobile towards the cecum of blind hole.Both
Can guarantee that bearing is easily effortlessly assembled on outside flange portion axle sleeve, but can be improved bearing inner race with inside flange portion axle sleeve it
Between connection reliability.
Preferably, cooperating between the top and jacking block for inclined-plane.Enable to jacking block insertion top drive rod downward
Convenience when one end enables to jacking block smoothly to be supported and reduced abrasion to top again.
The present invention also provides a bearing assembly methods, which is characterized in that bearing is assembled to inside flange portion axis by the first step
Between set and outside flange portion axle sleeve, so that bearing inner race is kept off consecutive rank with inner flange pan portion and abut together;Second step, in inner flange
Portion's axle sleeve is formed far from one end that inner flange pan portion keeps off consecutive rank cooperates the consecutive rank of the inner flange pan portion gear to clamp the axis
Hold the rolling of inner ring.
Preferably, further including third step, making the becket being located in annular groove molten by heating outside flange portion axle sleeve
Change, flowed in bearing message identification after becket fusing, then makes becket cooling and make becket will be outside baffle ring and bearing
Lap welding is connected together and metal ring is at the protrusion being welded in bearing message identification;It is blind downward to rotate thread head driving drive rod
The cecum in hole is mobile so that jacking block driving hold out against on the inner peripheral surface of bearing inner race and prevent bearing inner race relative to
The rotation of inside flange portion axle sleeve.
The present invention, which has an advantage that, can directly purchase existing bearing fit flange and form hub bearing, thus
So that being quenched in the middle part of hub bearing manufacturing process, so that manufacture craft is simple and cost declines;It does not need to press
Bearing can be assembled in interior outward flange and guarantee that bearing outer ring is fixed with outer fixation, bearing inner race with inner flange by dress, from
And it avoids that bearing damage will be led in bearing press mounting to interior outward flange.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embodiment of the present invention one.
Fig. 2 is the schematic diagram of the embodiment of the present invention two.
Fig. 3 is the schematic diagram of the embodiment of the present invention three.
Fig. 4 is the schematic diagram of the embodiment of the present invention four.
Fig. 5 is the partial enlargement diagram at the A of Fig. 4.
Fig. 6 is the partial enlargement diagram at the B of Fig. 4.
Fig. 7 is the partial enlargement diagram at the C of Fig. 6.
In figure: inner flange 1, outward flange 2, bearing 3, bearing inner race 4, bearing outer ring 5, inside flange portion axle sleeve 6, inside flange portion
Ring flange 7, inner flange pan portion keep off consecutive rank 8, rolling 9, outside flange portion axle sleeve 10, outside flange portion ring flange 11, in-flanges 12, gear
Ring 13, annular groove 15, blind hole 16, through-hole 17, top 18, path section 19, major diameter section 20, jacking block 21, drives bearing message identification 14
Lever ejector spring 22, thread head 23, flat recess 24, raised 25, becket 26, drive rod 27, rolling element 28.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and embodiments.
Embodiment one, referring to Fig. 1, a kind of hub bearing assembly setting rolling, including inner flange 1, outward flange 2 and bearing 3.
Bearing is double-row bearing.Bearing includes bearing inner race 4, bearing outer ring 5 and the rolling between bearing outer ring and bearing inner race
Body 28.There are two bearing inner races.Inner flange includes inside flange portion axle sleeve 6 and inside flange portion ring flange 7.On inside flange portion axle sleeve
The outer peripheral surface of one end is equipped with inner flange pan portion and keeps off consecutive rank 8.Inside flange portion ring flange is connected on inside flange portion axle sleeve.Interior method
Blue pan portion keeps off consecutive rank and inside flange portion ring flange is connected to the same end of inside flange portion axle sleeve.Inner flange is press forging.Interior method
Blue portion's axle sleeve is threaded through in bearing inner race.The other end of inside flange portion axle sleeve is equipped with rolling 9.Inside flange portion axle sleeve and bearing inner race
Between for interference fit.It is in another embodiment clearance fit between inside flange portion axle sleeve and bearing inner race.Rolling cooperation
Inner flange pan portion keeps off consecutive rank and clamps bearing inner race.Outward flange includes outside flange portion axle sleeve 10 and outside flange portion ring flange 11.
It is interference fit between outside flange portion axle sleeve and bearing outer ring.Outward flange is all press forging.Outside flange portion axle sleeve is set in bearing
On outer ring.Outside flange portion axle sleeve is equipped with the in-flanges 12 for keeping off and connecing in bearing outer ring end far from one end of rolling.
The assembly method of hub bearing in the present embodiment are as follows: the first step, by bearing press mounting to outside flange portion axle sleeve, it will
Inside flange portion axle sleeve is threaded through in bearing inner race to bearing inner race and keeps off consecutive rank abutting together with inner flange pan portion;Second step,
The consecutive rank of cooperation inner flange pan portion gear, which is formed, far from one end that inner flange pan portion keeps off consecutive rank in inside flange portion axle sleeve clamps axis
Hold the rolling of inner ring.
Embodiment two, with the difference of embodiment one are as follows:
Referring to fig. 2, there are two bearings.Two bearings are all single-row bearing, and specially bearing is single-row roller bearing, another
A is single-row steel ball bearing.Integrally formed with the baffle ring 13 circumferentially extended along outside flange portion axle sleeve in outside flange portion axle sleeve.Baffle ring
It is isolated in two single-row bearings.
The assembly method of the hub bearing of corresponding the present embodiment are as follows: the first step, by two bearing press mountings to outside flange portion axis
In set and two bearings are located at the axial sides of baffle ring, and inside flange portion axle sleeve is threaded through in bearing inner race to bearing inner race with interior
Flange part keeps off consecutive rank and abuts together;Second step keeps off one end of consecutive rank in inside flange portion axle sleeve far from inner flange pan portion
It forms cooperation inner flange pan portion and keeps off the rolling that consecutive rank clamps bearing inner race.
Embodiment three, the difference with embodiment two are
Referring to Fig. 3, two bearings are all single-row ball bearing.
Example IV, with the difference of embodiment two and embodiment three are as follows:
Fig. 4, Fig. 5, Fig. 6 and Fig. 7 are participated in, the end face of bearing outer ring towards one end of the baffle ring of single-row bearing is equipped with indent
Bearing message identification 14.The information that bearing message identification is identified is model, manufacturer and production country of bearing etc., is led to
Protrusion is set on mold when crossing forging and stamping and is produced.The end face of baffle ring is equipped with the annular groove 15 circumferentially extended along baffle ring.Annular
The becket 26 for welding together bearing outer ring with baffle ring is equipped in slot.Becket is equipped with and is filled into bearing message identification
Protrusion 25.The fusing point of becket is lower than the fusing point of bearing outer ring and the fusing point of outside flange portion axle sleeve.Bearing outer ring and outside flange portion
It is clearance fit between axle sleeve.The end face of inside flange portion axle sleeve is equipped with the blind hole 16 axially extending along inside flange portion axle sleeve.It is blind
Hole set there are two correspondingly with two bearing inner races alignment through-hole 17.Top 18 is equipped in through-hole.It is worn in blind hole
There is drive rod 27.Drive rod includes the path section 19 and major diameter section 20 set gradually along the direction of blind hole open end cecum downward.
Blind hole is stepped hole, and the small part of diameter of blind hole can be only inserted into for lower path section.Path drive rod is set there are two jacking block 21.
For a jacking block in two jacking blocks to constitute after the free end chamfer of path section, another jacking block is that major diameter section is connected with path section
An end chamfer after constitute, can be improved convenience when production in this way.Two jacking blocks for driving two tops correspondingly
Head.Cooperate between top and jacking block for inclined-plane.When the cecum of drive rod towards blind hole is mobile, two tops of driving are corresponded
Ground is withstood on the inner peripheral surface of two bearing inner races.The drive rod ejector spring 22 that driving drive rod stretches out blind hole is equipped in blind hole.
The open end of blind hole is equipped with thread segment.Thread segment is threaded with the driving drive rod thread head mobile towards the cecum of blind hole
23.The end face of thread head is equipped with flat recess 24 and rotates thread head for straight screwdriver.Thread head is built entirely in blind hole.
The assembly method of the hub bearing of corresponding the present embodiment are as follows: two bearings are worn outside flange portion axis by the first step
In set and two bearings are located at the axial sides of baffle ring, and inside flange portion axle sleeve is threaded through in bearing inner race to bearing inner race with interior
Flange part keeps off consecutive rank and abuts together;Second step keeps off one end of consecutive rank in inside flange portion axle sleeve far from inner flange pan portion
It forms cooperation inner flange pan portion and keeps off the rolling that consecutive rank clamps bearing inner race;Third step is made by heating outside flange portion axle sleeve
Be located at becket fusing in annular groove, flowed in bearing message identification after becket fusing, then make becket cooling and
So that becket welds together baffle ring and bearing outer ring and metal ring is at the protrusion being welded in bearing message identification;Turn
The cecum of dynamic thread head driving drive rod blind hole downward is mobile, so that two jacking blocks drive two tops to push up correspondingly
Tightly two bearing inner races are prevented to rotate relative to inside flange portion axle sleeve on the inner peripheral surface of bearing inner race.