CN104653623B - A kind of completely rolling element shaft connecting bearing and its manufacturing method - Google Patents
A kind of completely rolling element shaft connecting bearing and its manufacturing method Download PDFInfo
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- CN104653623B CN104653623B CN201510095830.1A CN201510095830A CN104653623B CN 104653623 B CN104653623 B CN 104653623B CN 201510095830 A CN201510095830 A CN 201510095830A CN 104653623 B CN104653623 B CN 104653623B
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Abstract
The present invention provides a kind of completely rolling element shaft connecting bearing and its manufacturing method.Bearing includes the rolling element between outer ring, axis, embedded outer ring raceway and axis raceway, the axis includes first axle component and second shaft section, first axle component is equipped with first point of raceway and equipped with the male member for stretching out shaft part, second shaft section is equipped with second point of raceway and equipped with the hole portion being adapted to the male member, in the sturdy fastening of axis direction of bearing, first point of raceway and second point of raceway form complete bearing axis raceway for first axle component and second shaft section.Compared with prior art, bearing of the invention has the advantage that：（1）Raceway is completely without notch；（2）Band sealing bearing can be made in the outer shape and installation dimension for not changing axis；（3）Match that high in machining efficiency, precision is high；（4）Each component of axis is rigidly fastened, and microsegregation will not be occurred even if stress use state, be greatly improved running stability, limit velocity and the operational reliability of bearing.
Description
Technical field
The present invention relates to extraordinary technical field of rolling bearings, more particularly to a kind of full rolling element shaft connecting bearing and its manufacturer
Method.Full rolling body bearing refers to without retainer, and rolling element is arranged in the rolling bearing in raceway as much as possible；Shaft connecting bearing refers to
The inner ring of usual bearing is by solid shafting or with hole axle（Or heavy wall inner ring）It substitutes, former inner ring raceway is directly processed on substituting axis
Bearing.
Background technology
Shaft connecting bearing is because its is compact-sized, installation is simply just having been more and more widely used.Full rolling body bearing is not because
Band retainer has been inserted rolling element as much as possible and has been had：（1）Application operating mode such as limiting temperature of bearing etc. is no longer influenced by
The influence of retainer material, structure etc.；（2）Because making the cost of manufacture of bearing be reduced without retainer；（3）Greatly carry
The advantages such as the high bearing capacity of bearing.Therefore, full rolling element shaft connecting bearing certainly will obtain more in host systems such as logistics transmissions
Add and is widely applied.
Existing full rolling body bearing, such as full ball bearing, general use are opened at outer ring flange position and inner ring rib position
It fills out the method for segment mouth or in outer ring periphery to the loading for boring the full ball of method realization for filling out ball between raceway groove face, opens and fill out segment
Mouthful, exist：（1）Raceway groove can not make up in the defect for filling out ball mouth position, just be generated when ball being caused to go to gap position bigger
Vibratory impulse；（2）For anti-bearing operation when ball run from gap position from bearing channel, need shift-up ring class limiting device；
（3）Since notch must reach the end face of rib from raceway groove, in open gap side, bearing can not by install dustproof cover,
Sealing ring etc. carries out the defects of dust seal；Brill fills out ball, exists：（1）It is punched not from bearing top circle cylinder between raceway groove face
It is too easy；（2）Must be blocked with stifled column after having beaten hole, and stifled column is towards raceway groove one end, head surface shape be difficult be worked into and
The shape in raceway groove face is consistent, towards periphery one end, head surface shape be difficult be worked into it is consistent with the shape of external cylindrical surface, just
Calculate shape can be worked into it is almost the same, can not also adjust the fitting just concordant with raceway groove face of stifled column inboard, on the outside of stifled column just
The state being bonded concordant with periphery；（3）Stifled column generally use external screw thread and fill out ball internal thread match, when outer ring raceway extremely
When the thickness low LCL thickness of periphery, the button number of screw thread is very little, and the two can not screw the defects of secured.These defects can lead to bearing
Difficulty of processing increase, assembly difficulty, machining accuracy and assembly precision are difficult to improve, the smoothness of operation of bearing is too poor etc., finally
The operational reliability of bearing and service life is caused to cannot be satisfied the requirement of host.
Existing full rolling body bearing, such as double half inner-ring bearings, inner ring are divided into two parts, but two in the middle part of raceway
/ without mutual embedding interlocking frame, therefore cannot be secured to one another between two parts, it is necessary to when to be installed by installation axle and
Axially stop block above it could be by two halves inner ring relative limit, and is all that two halves inner ring finishes respectively when manufacture,
Finishing, pairing assembly are not matched so that machining accuracy, assembly precision and the running stability of bearing are affected.
Therefore, the fault of construction and manufacture drawback for overcoming existing full rolling body bearing, invent new full rolling element axis connecting shaft
It holds and its manufacturing method just seems very urgent and necessary.
Invention content
The purpose of the present invention is to provide a kind of full rolling element shaft connecting bearing and its manufacturing methods, to overcome existing full rolling
Body bearing uses the direction of axis line along lasso to open and fills out segment mouth or fill out ball, double half lassos not along the radial direction processing of lasso
Many insufficient and drawbacks existing for pairing finishing etc. are carried out, so that the structure of full rolling element shaft connecting bearing is simplified, processing
The easy, accuracy of manufacture improves, can carry out double-side dustproof sealing, operate steadily reliably, disclosure satisfy that user is reliable for operation to bearing
The requirement of degree and service life.
The purpose of the present invention is what is realized by following technical scheme.
The present invention is a kind of full rolling element shaft connecting bearing, is single-row raceway, including outer ring, axis, embedded outer ring raceway and axis
Rolling element between raceway, the axis include first axle component and second shaft section, and first axle component is equipped with first point of raceway
And equipped with the male member for stretching out shaft part, second shaft section is equipped with second point of raceway and equipped with the hole portion being adapted to the male member, the
In the sturdy fastening of axis direction of bearing, first point of raceway and second point of raceway are formed completely for one shaft member and second shaft section
Bearing axis raceway.
The male member of the full rolling element shaft connecting bearing, the stretching shaft part of first axle component is threaded shaft section, the second shaft portion
The hole portion of part is threaded hole, and two components screw the sturdy fastening of mode by screw thread each other.
The male member of the full rolling element shaft connecting bearing, the stretching shaft part of first axle component is threaded shaft section, the second shaft portion
The hole portion of part is light through-hole, the sturdy fastening in such a way that nut is screwed with the threaded shaft section for stretching out hole portion of two components.Light through-hole
For straight hole when, nut is in except second shaft section；When light through-hole is the stepped hole comprising the counterbore for placing nut, nut portion
Or it is all within second shaft section.
The full rolling element shaft connecting bearing, first axle component stretching shaft part male member be threaded shaft section or optical axis section,
The hole portion of second shaft section is light through-hole, and male member head is with the annular groove for placing baffle ring or retainer and stretches out light through-hole, two components
The sturdy fastening by way of placing baffle ring or retainer into annular groove.
The male member of the full rolling element shaft connecting bearing, the stretching shaft part of first axle component is that cross section is round, carries
The optical axis section of the round or more prismatic of one to two plane, the hole portion of second shaft section are the light that cross section is round or more prismatics
Through-hole, male member head is with pin hole or rivet hole and stretches out light through-hole, and two components pass through slotting riveting pin, axis pin, rivet into hole
The sturdy fastening of mode.
The full rolling element shaft connecting bearing, first axle component stretching shaft part male member be threaded shaft section or optical axis section,
The hole portion of second shaft section is tapped through hole or light through-hole, and male member stretches out tapped through hole or light through-hole, two components by male member with
Through-hole inner surface or the sturdy fastening of the mode of end face spot welding.
The present invention is a kind of full rolling element shaft connecting bearing, is biserial raceway, including outer ring, axis, embedded outer ring biserial raceway
Rolling element between axis biserial raceway, the axis include that the equal band in left and right ends divides the intermediate shaft part of raceway and is distributed in its left side
Right both sides, the left axle component of one point of raceway of each band and right axle component, the both ends of intermediate shaft part, which are equipped with, stretches out the convex of shaft part
Part, left axle component and right axle component are equipped with the hole portion being adapted to the male member of intermediate shaft part, and the male member on intermediate shaft part is worn
Into the hole portion of left axle component and right axle component,
Alternatively, left axle component is equipped with the male member for stretching out shaft part, intermediate shaft part and right axle component are equipped with and left axle component
Male member adaptation hole portion, the male member on left axle component pierces into the hole portion of intermediate shaft part and right axle component,
Three components bearing the sturdy fastening of axis direction, on intermediate shaft part left end divide raceway on left axle component
The raceway that divides form one row raceway of complete bearing axis, right end divides raceway to divide raceway on right axle component on intermediate shaft part
Form another row raceway of complete bearing axis.
The full rolling element shaft connecting bearing, the male member for stretching out shaft part is threaded shaft section, and hole portion is threaded hole, three axle portions
Part screws the sturdy fastening of mode by screw thread each other.
The full rolling element shaft connecting bearing, the male member for stretching out shaft part are threaded shaft section, and hole portion is light through-hole, three axle portions
Part sturdy fastening in such a way that nut is screwed with the threaded shaft section for stretching out hole portion.When light through-hole is straight hole, nut is in axle portion
Except part；When light through-hole is the stepped hole comprising the counterbore for placing nut, nut portion or whole are within shaft member.
The full rolling element shaft connecting bearing, the male member for stretching out shaft part are threaded shaft section or optical axis section, and hole portion is light through-hole,
Light through-hole is simultaneously stretched out in male member head with the annular groove for placing baffle ring or retainer, three shaft members by the placement baffle ring into annular groove or
The sturdy fastening of mode of retainer.
The full rolling element shaft connecting bearing, the male member for stretching out shaft part are that cross section is round, carries one to two plane
Round or more prismatic optical axis section, hole portion is the light through-hole that cross section is round or more prismatics, male member head with pin hole or
Rivet hole simultaneously stretches out light through-hole, the sturdy fastening by way of inserting riveting pin, axis pin, rivet into hole of three shaft members.
The full rolling element shaft connecting bearing, the male member for stretching out shaft part are threaded shaft section or optical axis section, and hole portion is logical for screw thread
Hole or light through-hole, male member stretches out tapped through hole or light through-hole, three shaft members pass through male member and through-hole inner surface or end face spot welding
The sturdy fastening of mode.
The present invention is a kind of full rolling element shaft connecting bearing, is N row raceways, N >=3, including outer ring, axis, embedded outer ring N row rolling
Rolling element between road and axis N row raceways, the axis include N+1 shaft member, and one is respectively carried on left axle component and right axle component
It is a to divide raceway, in remaining shaft member band there are two dividing raceway, in each shaft member or equipped with the male member for stretching out shaft part or
Equipped with the hole portion being adapted to the male member, male member puts in or after the hole portion, by above male member and hole portion each other screw thread screw,
It is installed in nut fastener, installation baffle ring, retainer, pin, axis pin, rivet limiting device, male member head and hole portion on male member head
Hole surface or the mode of end face spot welding, make N+1 shaft member in the sturdy fastening of the axis direction of bearing, and N divides raceway to adjacent
Form the N row raceways of bearing axis.
Above-mentioned single-row, biserial and multiple row expire rolling element shaft connecting bearing, and for solid shafting or with hole axle, band hole axle is the axis
Heavy wall bearing inner race, form each shaft member with hole axle on carry equal diameter, coaxial inner conductor through-hole, stretch out the convex of shaft part
Part is male member with holes at this time, and the unilateral wall thickness of male member is not less than 1 millimeter, and the outer surface of male member and the hole portion in corresponding shaft member are suitable
Match.
Above-mentioned single-row, biserial and multiple row expire rolling element shaft connecting bearing, and the full rolling element shaft connecting bearing is without dust-proof close
The single facer bearing of open bearing, side with dust seal, the two sides dual face seals axis with dust seal of sealing
The one of which held.
Above-mentioned single-row, biserial and multiple row expire rolling element shaft connecting bearing, and the rolling element is ball, cylindrical roller, needle roller, circular cone
Roller, spherical roller, barrel shaped roller.
The present invention is the manufacturing method of above-mentioned full rolling element shaft connecting bearing, includes the finishing of full rolling element shaft connecting bearing axis
Manufacturing method, before finishing, according to design composition bearing axis each shaft member under bearing completed products state in the axial direction
Put in order, fastening means is then finished to end face, the outer circle of axis by each shaft member along the sturdy fastening of axis direction of axis
Surface and raceway, method for fine finishing include that grinding, hard state turning and superfinishing are ground.After finishing, before bearing assembly, to realize full rolling
Kinetoplast is packed into, then axis is disassembled as each shaft member of composition axis.
Full rolling element shaft connecting bearing is general it is readily conceivable that axis is punished axis into two from raceway center, on two-semiaxle
Hole is got through, the connection type for then being fastened two-semiaxle with bolt, but this connection fastening means is to any one end diameter ratio of axis
It is smaller（Maximum outside diameter of the shaft end diameter usually all than axis raceway-lip diameter, that is, axis is small, sometimes even much smaller）, do not permit
Perhaps the case where punching again is failed, and the present invention has then well solved this problem.To the axis for only having one end diameter smaller, according to
According to of the present invention, there are two types of methods：（1）Allow stretch out shaft part male member band in this smaller part of end diameter point
Another part of raceway side, corresponding axis makes hole portion；（2）The shaft end for making diameter smaller becomes the male member for stretching out shaft part
A part, i.e., small shaft end become a part for oneself offside, and a part of with this of oneself homonymy（Certainly small axis has been free of
End）Make hole portion.The axis all smaller to both ends diameter also has method, exactly part band to stretch out in accordance with the present invention
Threaded shaft section, another part are with threaded hole（Certainly, it cannot be at this moment tapped through hole again, can only be screw-threaded counterbore）, two parts that
This is threadedly coupled fastening, is not disengaged to ensure to be threadedly coupled, and can smear viscose glue toward screw thread vice division chief before assembly.Particular problem is specific
Analyzing processing, nevertheless, substantially all jumping out in principle, spirit and not the scope of the present invention.
In addition, with reference to the thinking of two parts thread connection each other, the male member of first axle component projecting shaft section can be band cone
The hole portion of the shaft part of degree, second shaft section adaptation is the taper hole with identical taper, and first axle component and second shaft section pass through that
The sturdy fastening of mode that this axis of cone and taper hole match.
The male member of the stretching shaft part of composition each component of bearing axis of the present invention is tight according to each section tightens together
Can be that full thread shaft part, full optical axis shaft part, segment optical axis add partial threads shaft part Gu mode is different；It can be along the circumference of axis
Direction rut slot（When placing baffle ring, retainer）, spile along the radial direction of axis（When placing pin, axis pin, rivet）；Institute of the present invention
The through-hole for stating composition bearing axis each section, it is different according to the fastening means that each section tightens together, can be specification and axis
The identical full thread through-hole of screw thread, the full light through-hole more slightly larger than shaft part section diameter in section；The present invention is according to the structure feelings of bearing
Condition, when fastenings and device, which allow to be placed in, is more than the end face of each section along the axis direction of bearing, projecting shaft segment length
It should be greater than the length of through-hole, and be not necessarily on the part for making through-hole processing for accommodating the heavy of fastenings and device
Hole, conversely, should process counterbore accommodates fastenings and device.To nut fastening means, plain washer, elastic washer should be added even to lock
Tight nut, to increase fastening effect.Allow situation according to bearing size and structure, each component of same bearing axis can also be adopted
It takes two or more fastening means, such as in assembly, takes after nut check again by nut and band logical orifice spot welding
Together.
When composition axis each shaft member do not use threaded connection mode to fasten, it is tight in particular by pin, axis pin, rivet mode
Gu when, it stretches out shaft part and may be designed as more prismatics, such as quadrangular, matched through-hole may be designed as more prismatics, such as tetragonous hole, together
Circular configuration is compared, first, bearing when stress works, is more difficult to occur the dislocation along bearing circumferencial direction between each shaft member, two
Be in rib plane pin hole, rivet hole ratio beaten on cylindrical surface it is much easier.
When using each component of threaded connection mode fastening composition axis, such as when being fastened using nut mode, to prevent
The component of threaded shaft part rotates together with nut（Spin）, need one end without threaded shaft section in threaded shaft part component
Flat recess, cross recess, interior hex slot, outer six square toes, opposite two facets etc. are designed and produced, so as to using screwdriver
Or spanner clamps this component, and nut can be allowed fully to fasten each component for forming axis.Specifically whether need additional designs system
Make such anti-rotation structure and be designed to which kind of anti-rotation structure, in terms of needing the planform for combining host to propose bearing
Specific aim is limited to determine.
The single-row full rolling element shaft connecting bearing of the present invention, when rolling element is ball, cylindrical roller, taper roller, spherical surface rolling respectively
Whens son, needle roller, barrel shaped roller etc., bearing is that single-row full ball integral shaft holds, is single-row full cylindrical roller shaft connecting bearing, single-row full respectively
Taper roller shaft connecting bearing, single-row full spherical roller shaft connecting bearing, single-row full needle roller shaft connecting bearing, single-row full barrel shaped roller axis connect
Bearing etc..
Biserial of the present invention expires rolling element shaft connecting bearing, when certain row rolling element is ball, cylindrical roller, taper roller, ball respectively
Whens face roller, needle roller, barrel shaped roller etc., which is exactly ball row, cylindrical roller row, taper roller row, spherical roller row, needle roller
Row, barrel shaped roller row etc., for example, if two row are all balls, being exactly biserial expires ball integral shaft and holds；If two row are all cylinder rollings
Son, which is exactly biserial, expires cylindrical roller shaft connecting bearing；If one row be ball, one row be roller, be exactly one row Roller Shaft of a completely row ball
Connecting shaft is held.The full rolling element shaft connecting bearing above to three row or three row, and so on.
The present invention expires rolling element shaft connecting bearing, it can be seen that three row, four row even more multiple rows, theory of constitution and single-row
Identical with biserial, concrete structure and single-row and biserial are completely similar.
The present invention expires rolling element shaft connecting bearing, and outer ring, axis, rolling element material can be steel, engineering plastics, ceramics, carbon stone
The material of ink etc., same bearing, outer ring, axis and rolling element may be the same or different；Rolling element material in same row
Can be different, for example have a carbon graphite ball in certain row, remaining each grain is steel ball.
The present invention expires rolling element shaft connecting bearing, according to application environment difference, can be adopted to bearing outer ring, axis, rolling element etc.
Take the modes such as various suitable heat treatment, thermo-chemical treatment, surface treatment.
It can be the semi-open type axis sealed without open bearing, the side band of sealing that the present invention, which expires rolling element shaft connecting bearing,
It holds, can also be dual face seals bearing, the fluid lubrications mode such as lubricating oil, lubricating grease may be used, solid can also be used to moisten
Sliding mode or self-lubricating mode.
The present invention expires rolling element shaft connecting bearing, includes not only the full rolling element in the narrow sense for being covered with rolling element for one week along raceway
Bearing, also include arrangement rolling element number can reach make outer ring and axis by external force do not deform cannot separate it is big
Half-full rolling body bearing, i.e., sensu lato full rolling body bearing.To big half-full rolling body bearing, can rolling element it is accumulative between
If being put into the lubrication rolling element or be put into what several valves were made by solid lubricant that dry granular is made by solid lubricant at gap
Retainer segment lubricates rolling element or retainer segment by the way that from being lost, transfer lubrication is provided for Bearing inner.
The present invention expires rolling element shaft connecting bearing, and bearing axis is resolved into the shaft member with the male member for stretching out shaft part and band and institute
The shaft member of the hole portion of male member adaptation is stated, each component can require flexible design with host to the size and shape of axis, respectively
The axis that component is formed after being tightened up, external structure and shape（It installs and uses closely related on host with bearing）With
Normally the shaft connecting bearing with retainer is just the same, in this way, i.e. avoid for variation installation dimension and host subscriber carry out it is big
Amount is linked up, and the processing technology mode as the shaft connecting bearing normally with retainer may be used, such as to the raceway-lip of axis
（That is the maximum outer round surface of axis）Efficient, high-precision penetration type centerless grinding can be used.
The present invention expires rolling element shaft connecting bearing, and the processing of the mechanical systems such as turning is respectively adopted in each component for forming axis, then
It is heat-treated, after heat treatment, tightens up each component to form complete raceway and complete axis in the foregoing manner, at this moment,
The end face of axis, raceway, rib are ground, the finishing such as hard vehicle and superfinishing, due to using such each component match grinding, with hard
Vehicle and match microstoning mode so that the phase between the size and shape precision and each component of processing efficiency, each component itself
Mutual positional precision is greatly improved, and after processing is completed, axis enters assembly with this fastening means, waits for the raceway to axis
After diameter measurement sorting determines matched outer ring, then fastening is released, axis is split up into each independent shaft member, then takes it
In a component（Band divides raceway）It is first put into outer ring, fills up rolling element, then again by another component of axis（It is rolled with another point
Road）It is fastened with that component having been placed in outer ring, to complete outer ring, axis and the trap of rolling element, later, filling lubrication
Fat, press fitting dust-proof sealing device complete the assembly of a whole set of bearing.It should be noted that assembly after bearing axis with finishing after
That root axis is just the same, and each component and the building form for forming axis are unchanged, only in order to fill up the needs of rolling element,
Just have to before assembly dismantle that root axis after finishing.Such process and assemble mode greatly improves adding for axis
Work efficiency rate and machining accuracy, and high machining accuracy has been brought in a whole set of bearing, to improve the precision of a whole set of bearing,
And then significantly improve the operational reliability and service life of a whole set of bearing.
The present invention expires rolling element shaft connecting bearing, is suitable for all multi-host systems, especially logistic transmission system, for example, chain
Conveyer system, belt conveying system also can be used as automotive painting line, the roller bearing on food baking line, Idler bearing peace
Dress uses.
The present invention expires rolling element shaft connecting bearing and its manufacturing method, overcomes existing full rolling body bearing and its manufacturing method
Many insufficient and limitation, there are following outstanding advantages：（1）Do not increase and decrease, change external mounting means of the bearing axis on host
And installation dimension；（2）It is smaller to axis one or both ends end diameter, can not be still effective, suitable the case where this end is punched
With；（3）Each component of axis assembles finishing, and when bearing assembles, this assembles that relationship is constant, and high processing effect thereby is achieved
Rate, high machining accuracy and assembly finished product accuracy；（4）Finishing is assembled after two points of raceway docking, is obtained complete, ideal
Raceway geometry and geometric accuracy；（5）The rigidity fastening for forming each component of axis, ensure that bearing in stand under load use state,
Each component there will not be microsegregation phenomenon；（6）The same with the normal bearing with retainer it can be pressed sealing in bearing both sides
Dust guard seals under the environment not high to being operated in cleanliness factor（Such as humidity, dust etc.）Bearing it is particularly important, and it is very much
Roller bearing, Idler bearing are exactly to be operated in such harsh environment；（7）Full ball integral shaft is held, interior rollaway nest can be set
Count, be processed as oval raceway groove or peach-shaped raceway groove, the contact point of such ball and raceway groove just not in the docking location of two points of raceways,
The running accuracy for making bearing and smoothness of operation are further promoted.If so, greatly improving the operating essence of bearing
Degree, limit speed, operational reliability and service life.
Description of the drawings
The single-row full ball integral shafts of Fig. 1 hold-and screw thread screws fastening schematic diagram each other for axis first axle component and second shaft section；
The single-row full ball integral shafts of Fig. 2 hold-and axis first axle component and second shaft section pass through fastener nut fastening signal
Figure；
The single-row full ball integral shafts of Fig. 3 hold-and axis first axle component and second shaft section pass through the fastening signal of locating part retainer ring
Figure；
The single-row full ball integral shafts of Fig. 4 hold-and axis first axle component and second shaft section illustrated by locating part pin fastener
Figure；
The single-row full ball integral shafts of Fig. 5 hold-and axis first axle component and second shaft section fasten schematic diagram by spot welding；
The single-row full ball integral shafts of Fig. 6 hold-and axis is band hole axle, i.e. heavy wall bearing inner race, first axle component and second shaft section
Screw thread screws fastening schematic diagram each other；
The single-row full ball integral shafts of Fig. 7 hold-and axis is band hole axle, i.e. heavy wall bearing inner race, first axle component and second shaft section
Schematic diagram is fastened by fastener nut；
Fig. 8 biserials expire ball integral shaft and hold-equal band stretching the shaft part in axis intermediate shaft part both ends, and three components pass through fastener spiral shell
Mother's fastening schematic diagram；
Fig. 9 biserials expire ball integral shaft and hold-axis left axle component band stretching shaft part, and three components are shown by fastener nut fastening
It is intended to；
Single-row four point contacts of Figure 10 expire ball integral shaft hold-axis is band hole axle, i.e. heavy wall bearing inner race, first axle component and
Second shaft section adds retainer ring to fasten schematic diagram again after screw thread screws each other.
Code name explanation in figure
In Fig. 1,11 outer ring, 12 axis, 13 ball, 14 dustproof cover, 15 baffle ring, 121 axis first axle component, band stretches out shaft part
122 axis second shaft section, band through-hole
In Fig. 2,21 outer ring, 22 axis, 23 ball, 24 dustproof cover, 221 axis first axle component, band stretches out shaft part 222 axis the
Two shaft members, 223 fastening nut of band through-hole, 224 washer combinations
In Fig. 3,31 outer ring, 32 axis, 33 ball, 34 dustproof cover, 321 axis first axle component, band stretches out shaft part 322 axis the
Two shaft members, band 323 limiting retainer ring of through-hole
In Fig. 4,41 outer ring, 42 axis, 43 ball, 44 dustproof cover, 421 axis first axle component, band stretches out shaft part 422 axis the
Two shaft members, band 423 position-limitting pin of through-hole
In Fig. 5,51 outer ring, 52 axis, 53 ball, 54 dustproof cover, 521 axis first axle component, band stretches out shaft part 522 axis the
Two shaft members, band through-hole 523 weld heap
In Fig. 6,61 axis of the outer ring 62 with through-hole, i.e. 63 ball of heavy wall bearing inner race, 64 dustproof cover, 65 baffle ring, 621 axis
First axle component, with the 622 axis second shaft section of through-hole for stretching out shaft part and axis, band through-hole
In Fig. 7,71 axis of the outer ring 72 with through-hole, i.e. 73 ball of heavy wall bearing inner race, 74 dustproof cover, 721 axis first axle
Component, with the 722 axis second shaft section of through-hole for stretching out shaft part and axis, 723 fastening nut of band through-hole, 724 washer combinations
In Fig. 8,81 outer ring, 82 axis, 83 first row ball, 84 secondary series ball, 85 dustproof cover, 821 axis intermediate shaft portion
Part-both ends band stretches out 822 axis left axle component of shaft part -823 axis right axle component of band through-hole -824 fastening nut of band through-hole
825 washer combinations
In Fig. 9,91 outer ring, 92 axis, 93 first row roller, 94 secondary series roller, 921 axis left axle component-band stretches out shaft part
922 axis intermediate shaft parts-band through-hole, 923 axis right axle component -924 fastening nut of band through-hole, 925 washer combinations
In Figure 10,101 axis of the outer ring 102 with through-hole, i.e. 103 ball of heavy wall bearing inner race, 104 dustproof cover, 105 baffle ring
1021 axis first axle components, with the 1022 axis second shaft section of through-hole for stretching out shaft part and axis, band 1023 retainer ring of through-hole.
Specific implementation mode
Below in conjunction with attached drawing, the present invention will be described in detail.
Embodiment one
Embodiment one is that single-row full ball integral shaft is held, and first axle component and second shaft section screw mode by screw thread each other
Fastening.
As shown in Figure 1, including outer ring 11, axis 12, ball 13, dustproof cover 14 and baffle ring 15, axis 12 is divided by band first
The first axle component 121 and band second of the male member of raceway groove and stretching shaft part divide the second shaft portion of raceway groove and the hole portion being adapted to male member
Part 122 forms.The shaft part of stretching is threaded shaft section, and hole portion is tapped through hole, first axle component 121 and second shaft section 122 that
It is axis 12 that this screw thread, which screws fastening, and after fastening, first axle component 121 and the fitting of second shaft section 122 top are real, divide ditch on 121
Raceway groove is divided to dock to form bearing axis raceway groove on road and 122.
The single-row shaft connecting bearing is a roller bearing, and former normal non-full ball bearing band retainer, the left end of axis is height
The part for going out bearing channel rib left side is exactly six square toes, and the right end of axis is higher by the part of bearing channel rib right side just
It is thread spindle, is an axis being made into integration.Six square toes of axis left end are clamped with spanner, so that it may with by the thread spindle of axis right end
In threaded hole on section screw-in host, to complete the installation of bearing.
In order to improve the bearing capacity of bearing or reduce the vibratory impulse operating mode meeting of cost or consideration bearing without retainer
By retainer shake it is disconnected can not need to hold the primitive axis with retainer and be transformed into full ball bearing with reasons such as retainers, it may be desirable to not
Change the installation method that holds of primitive axis and installation dimension, for this purpose, according to the claims in the present invention, by axis be decomposed into first axle component and
Second shaft section, first axle component are that band first divides raceway groove and stretches out 121 parts of the male member of shaft part, and second shaft section is band the
122 parts of two points of raceway grooves and the hole portion being adapted to male member, it can be seen that former non-full ball bearing is higher by bearing channel rib right end
The threaded shaft section in face has been directly becoming the part that first axle component 121 stretches out the male member of shaft part.
For ensure 121 and 122 two shaft members on divide raceway groove can gapless docking, need to be screwed into bottom by 122, be
This, two small cylindrical openings are processed on 122 right side, are exerted oneself for lower ejector lever.Mounting means of this bearing on host be exactly
Six square toes of 121 left ends are clamped, make 121 right ends threaded shaft section screw in host screw hole in, it can be seen that the process of installation its
Real is also the process of tightening 121 and 122, so, it is not necessary to when worrying bearing working, bearing caused by the microsegregation of two points of raceway grooves
The problem of galloping or even failure.
The technological means that the present embodiment expires ball realization be not by the way of opening and filling out segment mouth, therefore, bearing outer ring and axis
Raceway groove rib not by any damage, it is possible to use dust-proof sealing device, dustproof cover 14 and baffle ring 15 as shown.It is anti-
Dirt sealing device is most important to operating in the bearing under non-clean environment.
First axle component 121 and second shaft section 122 are fabricated separately, and can be completed by turn-milling cutting, are then heat-treated,
After heat treatment, by two components, screw thread screws fastening each other, carries out axis raceway groove and raceway groove rib（Axis maximum outer round surface）Finishing
Work, such as grinding, hard vehicle and superfinishing, after the completion of finishing, into assembly, after the raceway diameter to axis measures sorting,
To fill up ball into raceway groove, second shaft section 122 need to be screwed off from first axle component 121, the first axle component 121 of axis is put
Enter in the outer ring 11 to match therewith, fill up ball 13, screw in the second shaft section 122 of axis and keep two points of raceway grooves sturdy, at this moment
The trap of full ball integral shaft bearing outer-ring 11, axis 12 and ball 13 is completed, then punching press dustproof cover 14, baffle ring 15 just complete whole
Cover the assembly of bearing.To ensure high bearing assembly precision and running precision, be assembled together 121 and 122 exactly match grinding, match
Hard vehicle or when with superfinishing 121 and 122.
Embodiment two
Embodiment two is that single-row full ball integral shaft is held, and first axle component and second shaft section are fastened by fastener nut.
As shown in Fig. 2, including outer ring 21, axis 22, ball 23, dustproof cover 24, axis 22 is divided raceway groove by band first and is stretched
Go out the first axle component 221 of the male member of shaft part and band second divides 222 groups of the second shaft section of raceway groove and the hole portion being adapted to male member
At, 221 stretch out threaded shaft sections pass through 222 light through-hole, by nut 223 and 221 stretch out threaded shaft section screw realize 221 and
222 fastening has used washer 224 to keep fastening effect more preferable.
To ensure that fitting is held out against conscientiously for first axle component 221 and second shaft section 222, prevents the mistake in tightening nut 223
221 spin in journey, flat recess are machined in 221 rightmost side end face, in this way, during tightening nut 223, so that it may with
Manifold screwdriver withstands 221, prevents it from spinning.
As can be seen that either 221 stretching shaft part or 222 through-hole, are all to write an article in the inside of axis 22, not
Has an impact the external installation dimension to 22, therefore, the mounting means of the single-row full ball bearing is with it normally with retainer bearing
Mounting means is identical.
The processing of the bearing and trap assembly method and embodiment one are closely similar, by first axle component 221 and second
After shaft member 222 is assembled together with the fastening of nut 223, to axis raceway groove and raceway groove rib（Axis maximum outer round surface）Finishing,
When assembly, first by one of axis component, for example 221 are put into the outer ring 21 for wanting trap, fill up ball 23, are then placed in axis
Another component 222,221 stretch out shaft part pass through 222 through-hole, with nut 223 with stretch out threaded shaft section screw, realization axis
The fastening of 22 first axle components 221 and second shaft section 222.
Embodiment three
Embodiment three is that single-row full ball integral shaft is held, and first axle component and second shaft section are fastened by limiting retainer ring.
As shown in figure 3, including outer ring 31, axis 32, ball 33, dustproof cover 34, axis 32 is divided raceway groove by band first and is stretched
Go out the first axle component 321 of the male member of shaft part and band second divides 322 groups of the second shaft section of raceway groove and the hole portion being adapted to male member
At the 321 optical axis sections stretched out pass through 322 light through-hole, are put into the card slot on male member head by retainer ring 323 and realize 321 and 322
Fastening.
The embodiment bearing held with the single-row full ball integral shaft described in embodiment two it is closely similar, it is different from embodiment two
It is that first axle component 321 and second shaft section 322 are fastened by retainer ring 323.
For this purpose, first shaft portion is waited in the head for stretching out the male member of shaft part in first axle component 321 with the annular groove for placing retainer ring
The male member of part 321 passes through the through-hole of second shaft section 322, two components after the axis direction of bearing is sturdy, is put into annular groove
Retainer ring 322 is by first axle component 321 and the limit fastening of second shaft section 322, first point of raceway groove on first axle component 321 and the
Second point of raceway groove in two shaft members 322 forms complete bearing axis raceway groove.
First axle component and second shaft section to assemble method for fine finishing identical as embodiment two.
Embodiment 4
Example IV is that single-row full ball integral shaft is held, and first axle component and second shaft section are fastened by position-limitting pin.
As shown in figure 4, including outer ring 41, axis 42, ball 43, dustproof cover 44, axis 42 is divided raceway groove by band first and is stretched
Go out the first axle component 421 of the male member of shaft part and band second divides 422 groups of the second shaft section of raceway groove and the hole portion being adapted to male member
At the 421 optical axis sections stretched out pass through 422 light through-hole, are inserted into the pin hole on male member head by pin 423 and realize 421 and 422
Fastening.
The embodiment bearing held with the single-row full ball integral shaft described in embodiment two it is closely similar, it is different from embodiment two
It is that first axle component 421 and second shaft section 422 are limited by pin 423 and fastened.
For this purpose, the head for stretching out the male member of shaft part in first axle component 421 carries pin hole, the convex of first axle component 421 is waited for
Part passes through the through-hole of second shaft section 422, two components after the axis direction of bearing is sturdy, and pin 423 is put into pin hole will
First axle component 421 and the limit of second shaft section 422 fasten, first point of raceway groove on first axle component 421 and second shaft section
Second point of raceway groove on 422 forms complete bearing axis raceway groove.
First axle component 421 and second shaft section 422 to assemble method for fine finishing identical as embodiment two.
Embodiment five
Embodiment five is that single-row full ball integral shaft is held, and first axle component and second shaft section are fastened by spot welding.
As shown in figure 5, including outer ring 51, axis 52, ball 53, dustproof cover 54, axis 52 is divided raceway groove by band first and is stretched
Go out the first axle component 521 of the male member of shaft part and band second divides 522 groups of the second shaft section of raceway groove and the hole portion being adapted to male member
At the 521 optical axis sections stretched out pass through 522 light through-hole, by spot welding（Heap is welded as shown in 523）Realize 521 and 522 fastening.
The embodiment bearing held with the single-row full ball integral shaft described in embodiment two it is closely similar, it is different from embodiment two
It is that first axle component 521 and second shaft section 522 are fastened by spot welding.
For this purpose, wait for the male member of first axle component 521 pass through the through-hole of second shaft section 522, two components along bearing axis
After direction is sturdy, at male member and through-hole inner surface or/and the spot welding of through-hole endface, by first axle component 521 and the second shaft portion
Part 522 fastens, and second point of raceway groove on first point of raceway groove and second shaft section 522 on first axle component 521 is formed completely
Bearing axis raceway groove.
Although first axle component 521 and second shaft section 522 are tightened together by way of spot welding when assembly, first
When shaft member 521 and second shaft section 522 assemble finishing, or as with embodiment two, two components can be fastened with nut
Together.
Embodiment six
Embodiment six is that single-row full ball integral shaft is held, and axis 62 is band hole axle, that is, heavy wall bearing inner race, 621 He of first axle component
Second shaft section 622 screws mode by screw thread each other and fastens.
The embodiment and embodiment one are closely similar, and only it is i.e. thick to become band hole axle here for one solid shafting of embodiment
Wall bearing inner race 62,621 band of first axle component first divide raceway groove and stretch out the male member of threaded shaft section, it is clear that axis hole is fully fallen in
On first axle component；The logical screw hole that 622 band of second shaft section second divides raceway groove and is adapted to threaded shaft section male member, passes through first axle
Screw thread screws the hollow thread shaft part of component 621 each other with the tapped through hole in second shaft section 622, by first axle component 621
With 622 sturdy fastening of second shaft section, first point of raceway groove and second point of raceway groove form complete band hole axle raceway groove.
First axle component 621 and second shaft section 622 assemble fastening and are finished, and method is the same as embodiment one.
Embodiment seven
Embodiment seven is that single-row full ball integral shaft is held, and axis 72 is band hole axle, that is, heavy wall bearing inner race, 721 He of first axle component
Second shaft section 722 is fastened by fastener nut.
The embodiment and embodiment two are closely similar, and only it is i.e. thick to become band hole axle here for two solid shafting of embodiment
Wall bearing inner race 72,721 band of first axle component first divide raceway groove and stretch out the male member of threaded shaft section, it is clear that axis hole is fully fallen in
On first axle component 721, the outer diameter of threaded shaft section at least should be 2 millimeters bigger than the internal orifice dimension of axis；722 band of second shaft section second divides
The hollow thread shaft part of raceway groove and the light through-hole being adapted to threaded shaft section male member, first axle component 721 passes through second shaft section 722
On light through-hole after, screwed with nut 723, to by the 722 sturdy fastening of first axle component 721 and second shaft section, first point
Raceway groove and second point of raceway groove form complete band hole axle raceway groove.
First axle component 721 and second shaft section 722 assemble fastening and are finished, and method is the same as embodiment two.
Embodiment eight.Biserial expires ball integral shaft and holds, and the both ends band of intermediate shaft part stretches out the male member of shaft part.
As shown in figure 8, including outer ring 81, axis 82, first row ball 83, secondary series ball 84, dustproof cover 85, axis 82
By two left axle components for being divided to intermediate shaft part 821, the band of raceway groove and two male members for stretching out shaft part to divide raceway groove and through-hole of band
822, band divides the right axle component 823 of raceway groove and through-hole to form, and 821 threaded shaft sections stretched out pass through left axle component 822 to the left respectively
Through-hole, to the right pass through right axle component 823 through-hole, by both sides nut 824 with stretch out shaft part on screw thread screw respectively will
821 and 822,821 and 823 tighten up, and to reinforce fastening effect, use washer 825.
Similar with previous embodiment, which, which expires ball integral shaft, holds equally can be fastened on one by three components for forming axis
Axial end, raceway groove and raceway groove rib are carried out after rising（Axis maximum outer round surface）Finishing（Match grinding matches hard vehicle, matches superfinishing）, and
And syntagmatic and built-up sequence are constant in assembly.
When assembly, first the intermediate shaft part 821 of two points of raceway grooves of band is put into outer ring, the assembly of following each row
Method is the same as embodiment two.
Embodiment nine.Biserial expires cylindrical roller shaft connecting bearing, and left axle component band stretches out the male member of shaft part.
As shown in figure 9, including outer ring 91, axis 92, first row roller 93, secondary series roller 94, axis 92 is by band point rolling
Road and stretch out shaft part two points of raceways of left axle component 921, band of male member and intermediate shaft part 922, the band of through-hole divide raceway groove and
The right axle component 923 of through-hole forms, and 921 threaded shaft sections stretched out pass through to the right through-hole, the right axle portion of intermediate shaft part 922 respectively
The through-hole of part 923 is screwed with the screw thread stretched out on shaft part by nut 924 and 922,923 tightens together with 921, tight to reinforce
Gu effect uses washer 925.
Similar with previous embodiment, which, which expires cylindrical roller shaft connecting bearing, can equally fasten three components for forming axis
Carry out axial end, raceway and raceway-lip afterwards together（Axis maximum outer round surface）Finishing（Match grinding matches hard vehicle, with super
Essence）, and in assembly, syntagmatic and built-up sequence are constant.
When assembly, first the intermediate shaft part 922 for forming axis is put into outer ring 91, the assembly method of following each row
With embodiment two.
Embodiment 10
Embodiment 10 expires ball integral shaft for single-row four point contact and holds, and axis 102 is band hole axle, that is, heavy wall bearing inner race, first axle
Component 1021 and second shaft section 1022 add the composite fastener mode of retainer ring 1023 to fasten again after being screwed by screw thread each other.
The embodiment has similarity with embodiment one, and only one solid shafting of embodiment becomes band hole axle here i.e.
Heavy wall bearing inner race 102, bearing channel are to meet four point contacts to become peach-shaped raceway groove or oval ditch by single arc-shaped raceway groove
Road, 1021 band of first axle component first divide raceway groove and stretch out the male member of threaded shaft section, it is clear that axis hole fully falls in first axle component
On 1021；The logical screw hole that 1022 band of second shaft section second divides raceway groove and is adapted to threaded shaft section male member, passes through first axle component
Screw thread screws 1021 hollow thread shaft part each other with the tapped through hole in second shaft section 1022, is added to the card on male member head
The composite fastener mode that limiting retainer ring 1023 is placed in slot, by the 1022 sturdy fastening of first axle component 1021 and second shaft section,
First point of raceway groove and second point of raceway groove form the raceway groove completely having with hole axle and ball there are two contact point.
First axle component 1021 and second shaft section 1022 assemble fastening and are finished, and method is the same as embodiment one.
It should be noted that section Example is only gived above, in fact, principle according to the present invention and content, it can
To there is very more, unusual specific embodiment, they all have following general character：（1）The present invention does not destroy the peace on bearing axis
Size is filled, therefore, the present invention expires the assembly relation of rolling element shaft connecting bearing and host, without changing because of full rolling element；（2）
The present invention does not destroy the raceway-lip of bearing axis, therefore, can be as normal bearing to bearing press mounting sealing ring, dust-proof
Lid, baffle ring, dust seal component etc.；（3）The present invention can accomplish, when the shaft section diameter that axis is higher by raceway-lip end face is smaller
When, it can not be punched on the smaller shaft part, the fastening of several components of composition axis can be also realized, such as embodiment one and embodiment two
Most right members shaft part, diameter is smaller, just punched not above；（4）Each component of the present invention is using screw thread included each other
It screws fastening or is fastened using nut, and tightness does not fluff because bearing install, but constant or become tightlier, it is ensured that
Each two connects the gapless docking of point raceway；（5）Form axis all components raceway-lip diameter having the same, be
Each component efficient, high-precision assemble finishing and create prerequisite.So that the present invention expires rolling element axis connecting shaft
It holds and is substantially distinguished from that existing band fills out the full rolling element shaft connecting bearing of segment mouth and band fills out the full rolling element shaft connecting bearing of ball, and have
There is following outstanding feature：（1）Do not increase and decrease, change external mounting means and installation dimension of the bearing axis on host；（2）To axis one
End or both ends end diameter it is smaller, can not be still effective, applicable the case where this end is punched；（3）Each component of axis assembles
Finishing, and when bearing assembles, this assembles that relationship is constant, and high processing efficiency, high machining accuracy and assembly thereby is achieved
Finished product accuracy；（4）Finishing is assembled after the docking of two and half raceways, obtains complete, ideal raceway geometry and geometry essence
Degree, raceway do not have any wound；（5）The rigidity fastening for forming each component of axis, ensure that bearing in stand under load use state, each portion
Part there will not be microsegregation phenomenon；（6）The same with the normal bearing with retainer it can be pressed sealing and dustproof in bearing both sides
Device seals under the environment not high to being operated in cleanliness factor（Such as humidity, dust etc.）Bearing it is particularly important, and many idler wheels
Bearing, Idler bearing are exactly to be operated in such harsh environment；（7）Full ball integral shaft is held, axis raceway groove can be designed, be added
Work is oval raceway groove or peach-shaped raceway groove, and the contact point of such ball and raceway groove will make just not in the docking location of two halves raceway groove
The running accuracy and smoothness of operation of bearing are further promoted.If so, greatly improving the running accuracy of bearing, pole
Limit rotating speed, operational reliability and service life.
The above disclosure is just a few specific examples of the present application, however, this application is not limited to this, any this field
Technical staff can think variation, should all fall in the protection domain of the application.
Claims (7)
1. a kind of full rolling element shaft connecting bearing is between single-row raceway, including outer ring, axis, embedded outer ring raceway and axis raceway
Rolling element, which is characterized in that the axis includes first axle component and second shaft section, and first axle component is equipped with first point of rolling
Road and equipped with the male member for stretching out shaft part, second shaft section is equipped with second point of raceway and equipped with the hole portion being adapted to the male member,
In the sturdy fastening of axis direction of bearing, first point of raceway and second point of raceway are formed completely for first axle component and second shaft section
Bearing axis raceway；
The male member of the stretching shaft part of first axle component is threaded shaft section, and the hole portion of second shaft section is threaded hole, and two components pass through
Screw thread screws the sturdy fastening of mode each other；
Alternatively, the male member of the stretching shaft part of first axle component passes through the hole portion of second shaft section, two components to pass through the head in male member
Portion's setting fastening elements；The male member of the stretching shaft part of first axle component is threaded shaft section, and the hole portion of second shaft section is logical for straight light
Hole, fastener are nut, and two components sturdy fastening in such a way that nut is screwed with the threaded shaft section for stretching out hole portion, nut is in
Except second shaft section；
Alternatively, the male member of the stretching shaft part of first axle component is threaded shaft section, the hole portion of second shaft section is to be fastened comprising placement
The stepped hole of the counterbore of part, fastener are nut, and two components paste in such a way that nut is screwed with the threaded shaft section for stretching out hole portion
Real compact solid, nut portion or whole are within second shaft section.
2. full rolling element shaft connecting bearing according to claim 1, which is characterized in that the first axle component be solid shafting or
Band logical hole axle, band logical hole axle are heavy wall bearing inner race, stretch out the unilateral wall thickness of the male member of shaft part not less than 1 millimeter, outside male member
Surface is adapted to the hole portion in second shaft section.
3. full rolling element shaft connecting bearing according to claim 1, which is characterized in that the full rolling element shaft connecting bearing is not
The single facer bearing of open bearing, side with dust seal with dust seal, both sides are double with dust seal
Face seals the one of which of bearing.
4. full rolling element shaft connecting bearing according to claim 1, which is characterized in that the rolling element be ball, cylindrical roller,
Needle roller, taper roller, spherical roller, barrel shaped roller.
5. a kind of full rolling element shaft connecting bearing is biserial raceway, including outer ring, axis, embedded outer ring biserial raceway and axis biserial
Rolling element between raceway, which is characterized in that the axis includes that the equal band in left and right ends divides the intermediate shaft part of raceway and is distributed in
Its left and right sides, the left axle component of one point of raceway of each band and right axle component, the both ends of intermediate shaft part are equipped with stretching shaft part
Male member, left axle component and right axle component are equipped with the hole portion being adapted to the male member of intermediate shaft part, convex on intermediate shaft part
Part pierces into the hole portion of left axle component and right axle component, and the male member for stretching out shaft part is threaded shaft section, and hole portion is threaded hole, three axle portions
Part screws the sturdy fastening of mode by screw thread each other；
Alternatively, left axle component is equipped with the male member for stretching out shaft part, intermediate shaft part and right axle component are equipped with convex with left axle component
The hole portion of part adaptation, the male member on left axle component pierce into the hole portion of intermediate shaft part and right axle component；The male member for stretching out shaft part is worn
It is described by the head setting fastening elements in male member by three sturdy fastenings of shaft member after crossing the hole portion of other two shaft member
Fastener is nut；
Three shaft members bearing the sturdy fastening of axis direction, on intermediate shaft part left end divide raceway on left axle component
Point raceway forms one row raceway of complete bearing axis, and right end divides raceway to divide raceway shape on right axle component on intermediate shaft part
At another row raceway of complete bearing axis.
6. a kind of full rolling element shaft connecting bearing is N row raceways, N >=3, including outer ring, axis, embedded outer ring N row raceway and axis N
Rolling element between row raceway, which is characterized in that the axis includes N+1 shaft member, each band on left axle component and right axle component
There are one dividing raceway, band is there are two dividing raceway in remaining shaft member, in each shaft member, be equipped with the male member for stretching out shaft part and/or
Equipped with the hole portion being adapted to the male member, male member puts in or after hole portion, and the male member is realized with the hole portion and connected, and N+ is made
1 shaft member is in the sturdy fastening of axis direction of bearing, and N is to the adjacent N row raceways for dividing raceway to form bearing axis；
The male member for stretching out shaft part is threaded shaft section, and hole portion is threaded hole.
7. the manufacturing method of the full rolling element shaft connecting bearing according to claim 1 or 5 or 6, including full rolling element axis connecting shaft
Hold the finishing manufacturing method of axis, which is characterized in that before finishing, according to each shaft member for forming bearing axis of design in axis
Putting in order in the axial direction, fastening means are held under finished product state, by each shaft member along the sturdy fastening of axis direction of axis, so
End face, outer round surface and the raceway of axis are finished afterwards, and method for fine finishing includes that grinding, hard state turning and superfinishing are ground；After finishing,
Before bearing assembly, to realize that full rolling element is packed into, then axis is disassembled as each shaft member of composition axis.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510095830.1A CN104653623B (en) | 2015-02-16 | 2015-03-04 | A kind of completely rolling element shaft connecting bearing and its manufacturing method |
| PCT/CN2016/075431 WO2016138867A1 (en) | 2015-03-04 | 2016-03-03 | Coupling bearing filled with rolling elements, and manufacturing method thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510084137 | 2015-02-16 | ||
| CN2015100841374 | 2015-02-16 | ||
| CN201510095830.1A CN104653623B (en) | 2015-02-16 | 2015-03-04 | A kind of completely rolling element shaft connecting bearing and its manufacturing method |
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| Publication Number | Publication Date |
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| CN104653623A CN104653623A (en) | 2015-05-27 |
| CN104653623B true CN104653623B (en) | 2018-11-09 |
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| CN201520125304.0U Active CN204477072U (en) | 2015-02-16 | 2015-03-04 | A kind of full rolling element shaft connecting bearing |
| CN201510095830.1A Active CN104653623B (en) | 2015-02-16 | 2015-03-04 | A kind of completely rolling element shaft connecting bearing and its manufacturing method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204477072U (en) * | 2015-02-16 | 2015-07-15 | 上海斐赛轴承科技有限公司 | A kind of full rolling element shaft connecting bearing |
| WO2016138867A1 (en) * | 2015-03-04 | 2016-09-09 | 上海斐赛轴承科技有限公司 | Coupling bearing filled with rolling elements, and manufacturing method thereof |
| CN106438711A (en) * | 2016-11-09 | 2017-02-22 | 安徽千禧精密轴承制造有限公司 | Inner ring combined type high-precision bearing |
| CN106763208A (en) * | 2016-11-09 | 2017-05-31 | 安徽千禧精密轴承制造有限公司 | A kind of outer ring assembling high-precision bearing |
| CN110905925B (en) * | 2019-11-14 | 2021-07-06 | 安徽千禧精密轴承制造有限公司 | Improved bearing |
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| US3100117A (en) * | 1960-11-30 | 1963-08-06 | A D Schneider And Company | Floating arbor |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104653623A (en) | 2015-05-27 |
| CN204477072U (en) | 2015-07-15 |
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