CN208600976U - A kind of outer diameter adjustable shaft bearing outer-ring Knurling device - Google Patents

Abstract

The utility model relates to field of bearings, and in particular to a kind of outer diameter adjustable shaft bearing outer-ring Knurling device, including bearing outer ring gear hobbing mechanism and bearing outer ring fixed mechanism；Bearing outer ring gear hobbing mechanism includes: shell I, central gear, rotary power component, gear hobbing component；Bearing outer ring fixed mechanism includes: reciprocating sliding power part, push rod, swivel ferrule, gear chuck, expansion clamp ring, expansion fastener, expansion top plate.In the outer diameter adjustable shaft bearing outer-ring Knurling device of the utility model, processing dimension adjusting is carried out by bearing outer ring gear hobbing mechanism, the adjustable processing diameter of the hobbing machine of circle distribution, swelling is carried out to the bearing outer ring covered in expansion clamp ring by bearing outer ring fixed mechanism simultaneously to fix, it realizes and annular knurl processing is carried out to the bearing outer ring of Multiple Type size, and processing efficiency can be improved in more than one hobbing machine.

Description

A kind of outer diameter adjustable shaft bearing outer-ring Knurling device

Technical field

The utility model relates to field of bearings, in particular to a kind of outer diameter adjustable shaft bearing outer-ring Knurling device.

Background technique

Bearing is that component that is fixed and reducing load coefficient of friction is played in mechanical transmission course.It may also be said that when other Parts are when generating relative motion each other on axis, for reducing coefficient of friction and the holding shaft center in power transmission process Fixed parts.Bearing is a kind of very important components in contemporary mechanical equipment.Its major function is the mechanical rotation of support Swivel, to reduce mechanical load coefficient of friction of the equipment in transmission process.Between shaft II and outer tube when the very little of gap It is used between being inserted in using smooth Casing bearing as bearing.

Bearing outer ring as component part important on bearing, some bearings need to process on bearing outer ring annular knurl ( Referred to as gear hobbing), so that bearing outer ring is achieved the effect that increasing friction force.In traditional bearing outer ring annular knurl processing technology, Process equipment can only carry out annular knurl processing to the bearing outer ring of specific single model, and worker is needed to take a long time to axis It holds and is fixed and work in-process is since the limitation of processing technology can only be processed using a knurled wheel.Entire processed The time of Cheng Zhong, consuming are longer, while complicated operation is easy error, and production efficiency can not improve.

Summary of the invention

To solve the above problems, the purpose of this utility model is to provide it is a kind of can be outside the bearing to Multiple Type size Circle carries out the outer diameter adjustable shaft bearing outer-ring Knurling device of annular knurl processing.

The purpose of this utility model is achieved through the following technical solutions:

A kind of outer diameter adjustable shaft bearing outer-ring Knurling device provided by the utility model, including bearing outer ring gear hobbing mechanism and Bearing outer ring fixed mechanism；Bearing outer ring gear hobbing mechanism includes: shell I, central gear, rotary power component, gear hobbing component；Axis Bearing outer-ring fixed mechanism includes: reciprocating sliding power part, push rod, swivel ferrule, gear chuck, expansion clamp ring, expansion support Head, expansion top plate；

Central gear is movably arranged in shell I, and rotary power component is arranged on shell I and connects with central gear power It connects；The quantity of gear hobbing component is more than one, is arranged on shell I and is uniformly distributed by center circumference of central gear, gear hobbing Component includes: deflection gears, deflection arm, hobbing machine；Deflection gears are movably arranged in shell I and engage with central gear, shell Offer multiple deflection mouths on body I, deflection arm wears deflection mouth and both ends be separately connected deflection gears, for bearing outer ring into The hobbing machine of row annular knurl；

Swivel ferrule is movably set on push rod, and swivel ferrule is connect with gear chuck, gear chuck and expansion clamp ring Connection, expansion clamp ring, which is set on expansion fastener, fixes bearing outer ring progress swelling for being arranged bearing outer ring on it； Expansion fastener is the ring with flexible deformation, and medial surface is cone structure；The cone structure of expansion fastener is set in expansion In top plate；One end of push rod pass through gear chuck with expand top plate connect, the other end connect with reciprocating sliding power part from toward Push-and-pull power part, which drives, again carries out reciprocating sliding campaign.

Further, expansion fastener is circumferentially closed ring, and circumference is provided with several expanding petals, expanding petal on ring Medial surface be circular arc cone structure, the periphery for expanding top plate is the taper to match with the circular arc cone structure of expanding petal.

Further, expanding fastener, expanding the quantity of top plate is two, two expansion fastener head and the tail distribution settings, and two A expansion top plate is arranged in parallel and is all connected with push rod.

Further, expansion clamp ring be multiple circular arc types single straight section it is S-type be bent back and forth and formed head and the tail integrally connect The cylindrical sleeve connect.

Further, the interstitial site circumference that gear chuck blocks corresponding expansion clamp ring S type bending part is provided with boss, Boss is fastened in the gap of expansion clamp ring S type bending part.

Further, rotary power component includes: motor I, shaft I, worm screw, Liang Ge ear, worm gear；I activity of shaft is worn It is located on shell I and both ends is separately connected central gear, worm gear, Liang Ge ear is arranged on shell I, and worm screw is movably arranged on two In a ear, motor I is arranged on shell I and connect with worm screw, worm and wheel engagement.

Further, the quantity of gear hobbing component is three or four, and deflection arm is L-shaped, and one end of deflection arm connects deflection The arc surface region of not set teeth on gear.

Further, synchronous pulley is arranged on swivel ferrule.

Further, reciprocating sliding power part includes: shell II, motor II, shaft II, eccentric runner, bearing, deflection Circle, connecting rod I, connecting rod II；Bearing is set on eccentric runner, and deflection snare is located on bearing, and deflection circle is oval structure, shell It is each provided with to protrude at II pair of horns and jacks up structure, deflection, which is enclosed, to be accommodated in shell II and deflect two length for enclosing upper oval structure Shaft portion is located at another diagonal angle of shell II, and two shaft portions that upper oval structure is enclosed in deflection are respectively articulated with connecting rod I, connecting rod II One end, two of shell II protrusions jack up the one end that structures are respectively articulated with connecting rod I, connecting rod II, and push rod wears shell II And its other end and deflection circle connect；Elongated slot is offered on shell II, motor II is connect with shaft II, after shaft II wears elongated slot It is connect with eccentric runner bias.

Further, reciprocating sliding power part further include: fixing sleeve I, fixing sleeve II, balancing pole；Fixing sleeve I is fixed Set II is fixedly installed, and swivel ferrule is movably set on fixing sleeve I, and push rod is movably arranged in fixing sleeve I, balancing pole with push away The same axis setting of bar；Balancing pole wears shell II and one end and deflection circle connection, the other end are movably set in fixing sleeve II On.

In the outer diameter adjustable shaft bearing outer-ring Knurling device of the utility model, by bearing outer ring gear hobbing, mechanism carries out processing ruler Very little adjusting, the adjustable processing diameter of the hobbing machine of circle distribution, while by bearing outer ring fixed mechanism to covering in expansion clamp ring Bearing outer ring carry out swelling and fix, realize and annular knurl processing carried out to the bearing outer ring of Multiple Type size, and is more than one Processing efficiency can be improved in hobbing machine.

Detailed description of the invention

Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application, The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model It limits.In the accompanying drawings:

Fig. 1 is a kind of structure chart of angle of the utility model outer diameter adjustable shaft bearing outer-ring Knurling device；

Fig. 2 is the structure chart of the utility model outer diameter adjustable shaft bearing outer-ring Knurling device another kind angle；

Fig. 3 is the part-structure figure of the utility model outer diameter adjustable shaft bearing outer-ring Knurling device；

Fig. 4 is the front view of the utility model outer diameter adjustable shaft bearing outer-ring Knurling device axis bearing outer-ring gear-hobbing machine structure；

Fig. 5 is the structure chart of the utility model outer diameter adjustable shaft bearing outer-ring Knurling device axis bearing outer-ring gear-hobbing machine structure；

Fig. 6 is the cutaway view of Fig. 5；

Fig. 7 is the structure chart of hobbing machine in the utility model outer diameter adjustable shaft bearing outer-ring Knurling device；

Fig. 8 is that a kind of angle when top plate is not propped up is expanded in the utility model outer diameter adjustable shaft bearing outer-ring Knurling device Structure chart；

Fig. 9 is that another kind angle when top plate is not propped up is expanded in the utility model outer diameter adjustable shaft bearing outer-ring Knurling device Structure chart；

Figure 10 is the structure chart expanded when top plate is propped up in the utility model outer diameter adjustable shaft bearing outer-ring Knurling device；

Figure 11 is the structure chart that fastener is expanded in the utility model outer diameter adjustable shaft bearing outer-ring Knurling device；

Figure 12 is expansion a kind of structure of angle of clamp ring in the utility model outer diameter adjustable shaft bearing outer-ring Knurling device Figure；

Figure 13 is the knot that clamp ring another kind angle is expanded in the utility model outer diameter adjustable shaft bearing outer-ring Knurling device Composition；

Figure 14 is a kind of state of reciprocating sliding power part in the utility model outer diameter adjustable shaft bearing outer-ring Knurling device Structure chart；

Figure 15 is reciprocating sliding power part another kind shape in the utility model outer diameter adjustable shaft bearing outer-ring Knurling device The structure chart of state；

Wherein appended drawing reference are as follows: 1, shell I；2, central gear；3, push rod；4, swivel ferrule；5, gear chuck；6, it expands Clamp ring；7, fastener is expanded；8, top plate is expanded；9, deflection gears；10, deflection arm；11, hobbing machine；12, mouth is deflected；13, it expands Valve；14, motor I；15, shaft I；16, worm screw；17, ear；18, worm gear；19, synchronous pulley；20, shell II；21, motor II； 22, shaft II；23, eccentric runner；24, bearing；25, deflection circle；26, connecting rod I；27, connecting rod II；28, elongated slot；29, fixing sleeve Ⅰ；30, fixing sleeve II；31, balancing pole；32, bearing outer ring；33, fixed plate.

Specific embodiment

In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered When the range for belonging to the utility model protection.

As shown in Fig. 1 to 15, a kind of outer diameter adjustable shaft bearing outer-ring Knurling device of the utility model embodiment, including axis Bearing outer-ring gear hobbing mechanism and bearing outer ring fixed mechanism；Bearing outer ring gear hobbing mechanism includes: shell I 1, central gear 2, rotates and move Power component, gear hobbing component；Bearing outer ring fixed mechanism includes: reciprocating sliding power part, push rod 3, swivel ferrule 4, gear card Disk 5, expansion clamp ring 6, expansion fastener 7, expansion top plate 8；

Central gear 2 is movably arranged in shell I 1, and rotary power component is arranged on shell I 1 and moves with central gear 2 Power connection；The quantity of gear hobbing component is more than one, is arranged on shell I 1 and is that center circumference is uniformly divided with central gear 2 Cloth, gear hobbing component include: deflection gears 9, deflection arm 10, hobbing machine 11；Deflection gears 9 are movably arranged in shell I 1 and in Heart gear 2 engages, and multiple deflection mouths 12 is offered on shell I 1, deflection arm 10 wears deflection mouth 12 and both ends are separately connected deflection Gear 9, the hobbing machine 11 for carrying out annular knurl to bearing outer ring 32；

Swivel ferrule 4 is movably set on push rod 3, and swivel ferrule 4 is connect with gear chuck 5, gear chuck 5 and inflating clip Collar 6 connect, expansion clamp ring 6 be set in expansion fastener 7 on for be arranged on it bearing outer ring 32 to bearing outer ring 32 into Row swelling is fixed；Expansion fastener 7 is the ring with flexible deformation, and medial surface is cone structure；Expand the conical surface knot of fastener 7 Structure is set in expansion top plate 8；One end of push rod 3 passes through gear chuck 5 and connect with expansion top plate 8, the other end and reciprocating sliding Power part connection is driven by reciprocating sliding power part carries out reciprocating sliding campaign.

In the outer diameter adjustable shaft bearing outer-ring Knurling device of the utility model, by bearing outer ring gear hobbing, mechanism carries out processing ruler Very little adjusting, the adjustable processing diameter of the hobbing machine 11 of circle distribution, while by bearing outer ring fixed mechanism to covering in expansion clamping The bearing outer ring 32 of circle 6 carries out swelling and fixes, and realizes and carries out annular knurl processing, and one to the bearing outer ring 32 of Multiple Type size Processing efficiency can be improved in above hobbing machine 11.

In as a preferred technical scheme, expansion fastener 7 is circumferentially closed ring, and circumference is provided with several on ring Expanding petal 13, the medial surface of expanding petal 13 are circular arc cone structure, and the periphery of expansion top plate 8 is to bore with the circular arc of expanding petal 13 The taper that face structure matches.

It is cased with expansion fastener 7 in expansion 8 periphery of top plate, expansion 7 material of fastener has elastic deformation characteristic, expands fastener 7 Front end position be section be rectangle circumferentially closed ring, even circumferential is fixedly installed several on the rear end face of ring Expanding petal 13,13 medial surface of expanding petal is that the circular arc cone structure of front-thin-rear-thick designs, due to the circular arc of 13 medial surface of expanding petal The conical surface designs so that 13 internal diameter of expanding petal of circumference combination is less than the outer diameter of expansion 8 outer peripheral surface of top plate gradually.When expansion fastener 7 When setting fixed and push rod 3 expansion top plate 8 being driven to pull back, expansion top plate 8 is pulled in the expanding petal 13 of expansion fastener 7 Lateral position will expand the top of expanding petal 13 of fastener 7 to propping up outward.

In as a preferred technical scheme, expanding fastener 7, expanding the quantity of top plate 8 is two, two expansion fasteners 7 Head and the tail distribution setting, two expansion top plates 8 are arranged in parallel and are all connected with push rod 3.The purpose for expanding fastener 7 using two is energy Enough regions that will expand 6 axial distance of clamp ring are unified to be jacked up, and is not in that expansion 6 one end of clamp ring jacks up one end and do not jack up Situation occurs.

In as a preferred technical scheme, expansion clamp ring 6 is single straight section of multiple circular arc types S-type bending and shape back and forth At the cylindrical sleeve of head and the tail integrally connected.

It is cased with expansion clamp ring 6 in expansion 7 periphery of fastener, it is in circular arc that 6 entirety of expansion clamp ring, which is multiple by front-rear direction, Single straight section of type cylindrical sleeve being bent back and forth and ultimately form head and the tail integrally connected S-type on the whole.Expand clamp ring 6 Single-ended section be rectangle, and it is consistent to expand the spacing that is formed by between adjacent single hop of 6 circumference S type of clamp ring.Expand clamping The circumference ring-type S type structure of circle 6 designs so that expansion clamp ring 6 is able to carry out the flexible deformation of circumference increase, when expansion fastener 7 When position is fixed and expansion top plate 8 is driven to pull back for push rod 3, the top of expanding petal 13 of expansion fastener 7 to propping up outward, When expanding petal 13 is in outside swelling state, expansion fastener 7 can be deformed whole jack up to circumference increase of expansion clamp ring 6, 32 swelling of bearing outer ring for covering in periphery is fixed by the expansion clamp ring 6 after expansion, is expanding 6 rear of clamp ring Card has swivel ferrule 4 on fixing sleeve I 29, and swivel ferrule 4 can carry out rotation relative to fixing sleeve I 29 but cannot be relative to fixation It covers I 29 to move axially, has been fixedly and coaxially connected gear chuck 5 on the periphery of 4 front end end of swivel ferrule.

In as a preferred technical scheme, gear chuck 5 blocks the interstitial site of corresponding expansion clamp ring 6S type bending part Circumference is provided with boss, and boss is fastened in the gap of expansion clamp ring 6S type bending part.

The interstitial site even circumferential of the corresponding expansion clamp ring 6S type bending part of the front end face of gear chuck 5 is provided with protrusion Boss, boss thickness is slightly thicker than the gap thickness for expanding clamp ring 6, so that when the boss of gear chuck 5 is caught in expansion clamping The gap location of circle 6 can be by the fixed clamping of expansion clamp ring 6.

In as a preferred technical scheme, rotary power component includes: motor I 14, shaft I 15, worm screw 16, Liang Ge ear 17, worm gear 18；I 15 activity of shaft is threaded through on shell I 1 and both ends are separately connected central gear 2, worm gear 18, Liang Ge ear 17 It is arranged on shell I 1, worm screw 16 is movably arranged in Liang Ge ear 17, and motor I 14 is arranged on shell I 1 and connects with worm screw 16 It connects, worm screw 16 engages with worm gear 18.

Bearing outer ring gear hobbing mechanism is provided with shell I 1, shell I 1 be it is discoid, in the outer side end face center of circle of shell I 1 position It sets through there is shaft I 15, I 15 outside end point of shaft has been fixedly and coaxially connected worm gear 18, and worm gear 18 is engaged with worm screw 16, worm screw 16 have been fixedly and coaxially connected motor I 14, and motor I 14 is fixed on I 1 outer end face of shell, and 16 central axis both ends of worm screw are solid by otic placode Due on I 1 outer end face of shell, the end that shaft I 15 extends in shell I 1 is coaxially fixed with central gear 2.

In as a preferred technical scheme, the quantity of gear hobbing component is three or four, and deflection arm 10 is L-shaped, deflection arm The arc surface region of not set teeth in 10 one end connection deflection gears 9.

Circumferencial direction is uniformly in 120 degree of engagements there are three the consistent deflection gears 9 of specification on 2 periphery of central gear, and three A deflection gears 9, which cut with scissors to move by center location, is connected to enclosure interior, when central gear 2 rotates, can unify band Dynamic three deflection gears 9 synchronize same revolving speed and turn to rotation together.Since the connection relationship of 18 worm screw 16 of worm gear makes mechanism tool herein There is self-locking effect, central gear 2 can keep immediately self-locking after the closing of motor I 14.In deflection gears 9 with central gear The region of 2 engagements is provided with several gear teeth, consolidates at the arc surface regional center of several gear teeth other sides in deflection gears 9 Surely it is connected with the deflection arm 10 of L-type, the L-type bending section of 10 upper end of deflection arm is towards rear extreme direction, in the bending section of deflection arm 10 End hinge dynamic be connected with hobbing machine 11.The round circumferential surface of hobbing machine 11 is evenly arranged with several taper pointed tooths, between adjacent tine Spacing selected according to the specification of the tooth socket circle of required bearing outer ring 32.

The position that I 1 periphery of shell corresponds to L-type deflection arm 10 is provided with the deflection mouth 12 of oblong, deflection mouth 12 Length is longer than the outer diameter of L-type deflection arm 10, so that deflection arm 10 has deflection angle, bearing outer ring 32 that can be different to outer diameter Carry out the processing of tooth socket circle.Worm screw 16 is driven to rotate after motor I 14 is opened, worm screw 16 drives the rotation of worm gear 18 so that central gear 2 rotations, central gear 2 drive the eccentric gear of the same revolving speed of three even circumferentials distribution to rotate synchronously, drive hobbing machine 11 It is rotated with the center of circle of corresponding eccentric gear, so that the hobbing machine 11 of three even circumferentials distribution synchronizes corresponding circle Circumferential contract, to achieve the effect that the bearing outer ring 32 different to outer diameter carries out the processing of tooth socket circle.

In as a preferred technical scheme, synchronous pulley 19 is arranged on swivel ferrule 4.

Synchronous belt is coaxially fixed on back-end region periphery in swivel ferrule 4, synchronous pulley 19 and extraneous be used as are driven The synchronous pulley 19 of power is sequentially connected, and allows to rotate drive swivel ferrule 4 by synchronous pulley 19 and rotates, then passes through gear Position chuck 5 drives the expansion clamp ring 6 of swelling state to synchronize rotation, it is final drive be inflated the bearing outer ring 32 of clamping into Row rotates synchronously, so that the periphery boss of bearing outer ring 32 rolls hobbing machine 11 to it when rotating on hobbing machine 11 Tooth.Another effect of gear chuck 5 is axially protected when push rod 3 pulls back the drive expansion synchronous axial movement backward of top plate 8 Hold static gear chuck 5 withstand expansion fastener 7 prevent it from moving backward so that expansion top plate 8 can will expansion support First 7 open.

In as a preferred technical scheme, reciprocating sliding power part include: shell II 20, motor II 21, shaft II 22, Eccentric runner 23, bearing 24, deflection circle 25, connecting rod I 26, connecting rod II 27；Bearing 24 is set on eccentric runner 23, deflection circle 25 It is set on bearing 24, deflection circle 25 is oval structure, and protrusion is each provided at the pair of horns of shell II 20 and jacks up structure, deflection Circle 25 is accommodated in shell II 20 and two shaft portions of oval structure are located at another diagonal angle of shell II 20 on deflection circle 25, Two shaft portions of oval structure are respectively articulated with the one end of connecting rod I 26, connecting rod II 27 on deflection circle 25, and two of shell II 20 Protrusion jacks up structure and is respectively articulated with the one end of connecting rod I 26, connecting rod II 27, and push rod 3 wears shell II 20 and its other end and partially It turn-takes 25 connections；Elongated slot 28 is offered on shell II 20, motor II 21 is connect with shaft II 22, after shaft II 22 wears elongated slot 28 It is connect with eccentric 23 bias of runner.

Motor II 21 is fixed in fixed plate 33, and fixed plate 33 is fixed, so that motor II 21 is kept fixed state, electricity The shaft II 22 of machine II 21 be fixedly connected on the end face of eccentric runner 23 by fringe region.It is covered in the periphery of eccentric runner 23 There is bearing 24,24 periphery of bearing is cased with deflection circle 25.Eccentric runner 23 is relatively rotated with deflection circle 25.Deflection It encloses 25 circumferential profiles and is designed like elliptical shape, the both ends in one of direction are similar to long axis, and the two of perpendicular direction End is short axle.It is cased with the shell II 20 of rectangle in eccentric 23 periphery level of runner, is set in the vertex of II 20 front/rear end of shell It is set to protrusion and jacks up structure, symmetrically protrude two apex angles are set as in the upper end of II 20 front end face of shell, after shell II 20 The lower end of end face is set as symmetrically protrude two apex angles, and in same height left and right face, apex angle is provided with connecting shaft, cuts with scissors in connecting shaft Two connecting rods I 26 are connected to, the long axis region that the other end of connecting rod I 26 is ipsilateral with deflection circle 25 is hinged, according to the length of connecting rod I 26 Deflection circle 25 upper connecting rod, I 26 hinged end is pulled to the upside of shell II 20 by rearward position.

It is again provided with connecting shaft on apex angle of II 20 lower end of shell by rear side, two connecting rods II are hinged in connecting shaft 27, the other end hinge of connecting rod II 27 is dynamic to be connected on the other side long axis region for deflecting circle 25.In shell II 20 relative to motor The horizontally disposed elongated slot 28 for having end face to penetrate through in II 21 end face, the shaft II 22 of motor II 21 is located in elongated slot 28, because of shaft II 22 will not move, so elongated slot 28 can play the role of guiding by II 22 pairs of shells II 20 of shaft, when motor II When 21 openings drive shaft II 22 to synchronize rotation, it is fixedly connected because shaft II 22 belongs to bias with eccentric runner 23, institute Eccentric rotary is carried out with runner 23 eccentric under the action of shaft II 22, because being cased with axis between deflection circle 25 and eccentric runner 23 24 are held, so eccentric ring will not follow eccentric runner 23 to carry out rotation, deflection circle 25 is the center of circle with the shaft II 22 of motor II 21 Circumference revolution is carried out, because connecting rod I 26 and connecting rod II 27 are articulated on II 20 apex angle of long axis and shell of deflection circle 25, works as deflection When circle 25 carries out circumference revolution, under the action of the hinged effect of connecting rod I 26 and connecting rod II 27 and II 20 guide groove of shell, so that Shell II 20 carries out the movement that front and back is moved in circles.

In as a preferred technical scheme, reciprocating sliding power part further include: fixing sleeve I 29, fixing sleeve II 30, balance Bar 31；Fixing sleeve I 29, fixing sleeve II 30 are fixedly installed, and swivel ferrule 4 is movably set on fixing sleeve I 29,3 activity of push rod It is mounted in fixing sleeve I 29, balancing pole 31 and the same axis of push rod 3 are arranged；Balancing pole 31 wear shell II 20 and one end with 25 connection of deflection circle, the other end are movably set on fixing sleeve II 30.

It is fixedly connected with push rod 3 and balancing pole 31 in the front-end and back-end face of shell II 20, is covered in rear region in push rod 3 There is fixing sleeve I 29, fixing sleeve II 30 is cased on balancing pole 31, fixing sleeve I 29 and II 30 fixed static of fixing sleeve are motionless, fixed It covers I 29 and integrally plays support guide with II 30 pairs of push rods of fixing sleeve, 3 reciprocating sliding mechanism, it is coaxial in the front end area of push rod 3 Fixed there are two expansion top plates 8, and have certain spacing between two expansion top plates 8, and the periphery of expansion top plate 8 sets for taper Meter.When motor II 21 rotates, the back-and-forth motion for expanding top plate 8 and moving in circles can be driven by push rod 3.

When needing to process bearing outer ring 32,7 sets of fastener are expanded at this time in expansion top plate 8 and expands fastener 7 In the normal condition not jacked up, expansion clamp ring 6 is stuck on the corresponding boss of gear chuck 5 and to expand clamp ring 6 It is fixed relative to boss, bearing outer ring gear hobbing mechanism is then moved to designated position, the L-type of three groups of even circumferentials distribution at this time Gear hobbing arm angle is in circumference maximum rating, opens motor II 21 at this time, and motor II 21 drives eccentric runner by shaft II 22 23 carry out eccentric rotary, because being cased with bearing 24 between deflection circle 25 and eccentric runner 23, eccentric ring will not follow bias Runner 23 carry out rotation, deflection circle 25 with the shaft II 22 of motor II 21 be the center of circle carry out circumference revolution because connecting rod I 26 and even Bar II 27 is articulated on II 20 apex angle of long axis and shell of deflection circle 25, when deflection circle 25 carries out circumference revolution, in connecting rod I 26 Under the action of hinged effect and II 20 guide groove of shell with connecting rod II 27, so that shell II 20 drives push rod 3 to move backward, this When expansion fastener 7 because the limit of gear chuck 5 cannot move backward, expansion top plate 8 follows push rod 3 to be moved rearwardly into expansion support At first 7 13 medial surface of expanding petal, the expanding petal 13 for expanding fastener 7 is pushed up to propping up outward, in outside swelling state Whole jack up to circumference increase of expansion clamp ring 6 can be deformed by expanding fastener 7, so that the expansion clamp ring 6 after expansion can be with 32 swelling of bearing outer ring for covering in periphery is fixed.

Motor II 21 is closed at this time, opens motor I 14, the rotation of I 14 synchronous drive worm screw 16 of motor, and worm screw 16 drives engagement Worm gear 18 rotate, worm gear 18 drives central gear 2 to rotate, and central gear 2 drives the deflection gears 9 of even circumferential distribution synchronous Rotation drives the L-type deflection arm 10 being firmly connected with it to synchronize circumferential deflection, and final circumference reduces and is clamped to bearing On the raised outer ring of outer ring 32, motor I 14 is closed, the synchronous pulley 19 being fixedly and coaxially connected on swivel ferrule 4 at this time passes through The extraneous rotation of synchronous pulley 19 transmission is so that synchronous pulley 19 rotates, to drive gear chuck 5 synchronous by swivel ferrule 4 Rotation, gear chuck 5 drives expansion clamp ring 6 to rotate, final that bearing outer ring 32 is driven to synchronize rotation, at this time hobbing machine 11 It relatively rotates with bearing outer ring 32, so that hobbing machine 11 be driven to rotate, hobbing machine 11 is gradually to the protrusion of bearing outer ring 32 It carries out gear hobbing and ultimately forms gear hobbing slot.

When bearing outer ring 32 gear hobbing slot after processing is completed, open motor II 21, motor II 21 continues to drive push rod 3 reciprocal Push-pull mechanism moves forward, so that expansion top plate 8 is detached from 13 medial surface of expanding petal of expansion fastener 7, expansion fastener 7 restores to just Normal state.It expands clamp ring 6 equally to restore to normal condition, bearing outer ring 32 is not in expansion gripping orientation.Motor I at this time 14 openings rotate backward, and 18 worm screw 16 of worm gear drives central gear 2 to rotate backward, to drive deflection gears 9 and L-type deflection arm The circumference that 10 reverse deflection circumference form hobbing machine 11, which expands, is detached from bearing outer ring 32.Bearing outer ring gear hobbing mechanism is removed, it will Bearing outer ring 32 takes out from expansion clamp ring 6, then rechanges bearing outer ring 32 to be processed, re-starts aforesaid operations Bearing outer ring 32 is processed.

The innovative point and beneficial effect of the utility model at least that:

1. eccentric 23 periphery of runner is cased with deflection circle 25, the drive when eccentric rotation occurs for eccentric runner 23 by bearing 24 Deflection circle 25 occur revolution motions, deflection circle 25 revolution motion by be hinged on diagonal direction connecting rod I 26 and connecting rod II 27 Axial circulation occurs with push rod 3 with 28 drive shell II 20 of elongated slot to move back and forth, it is convenient and efficient, while stable structure.

2. expansion clamp ring 6 ultimately forms a complete annular sleeve tubular in such a way that S type moves in circles bending, Guarantee the characteristic for enabling expansion clamp ring 6 to have circumferential elasticity expansion while hoop strength, it can be effectively to bearing Outer ring 32 carries out expansion clamping.

3. expansion fastener 7 is fixedly connected with the expanding petal 13 of even circumferential distribution, the medial surface of expanding petal 13 is with circle The structure of the front-thin-rear-thick of cambered surface taper designs, while expanding fastener 7 using the material with elastic deformation characteristic, can pass through Expansion top plate 8 jacks up expansion inwardly and carries out expansion fixation to expansion clamp ring 6.The purpose for expanding fastener 7 using two is The region that can will expand 6 axial distance of clamp ring is unified to be jacked up, and is not in that expansion 6 one end of clamp ring jacks up one end and do not jack up The case where occur.

Central gear 2 is driven to rotate 4. connecting central gear 2 by worm gear structure, it can be faster by motor I 14 Revolving speed is reduced to lower revolving speed by the biggish rotating ratio of 18 worm screw of worm gear 16, while can produce using worm gear structure Stable biggish thrust, so that the hobbing machine 11 for cutting with scissors dynamic connection on deflection arm 10 implements biggish folder to bearing outer ring 32 Clamp force can be carried out effectively gear hobbing process.

5. 2 even circumferential of central gear is distributed the consistent deflection gears 9 of specification there are three engagements, connected in deflection gears 9 There is L-type deflection arm 10, enables to drive deflection arm 10 is synchronous to carry out yaw motion when deflection gears 9 rotate, so that three The circumference of hobbing machine 11 is synchronous to be expanded and reduces, and the raised outer ring of bearing outer ring 32 that can be different to outer diameter carries out gear hobbing process, It and using the purpose of multiple L-type deflection arms 10 is so that the hobbing machine 11 that synchronizes always of multiple states is simultaneously to bearing outer ring 32 Gear hobbing process is carried out, processing efficiency is can be improved while increasing the stability of gear hobbing process effect.

6. boss corresponding with expansion 6 gap of clamp ring is provided on gear chuck 5 expansion clamp ring 6 is fixed, So that when gear chuck 5 rotate when be able to drive expansion clamp ring 6 rotate synchronously, thus drive bearing outer ring 32 rotate synchronously into And achieve the purpose that gear hobbing process.

7. 3 front end of push rod is fixedly and coaxially connected there are two top plate 8 is expanded, it can synchronize and two expansion fasteners 7 are pushed up It rises.

8. being fixedly and coaxially connected synchronous pulley 19 on swivel ferrule 4, synchronous pulley 19 is driven to rotate by transmission, so that Gear chuck 5 rotates synchronously.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of outer diameter adjustable shaft bearing outer-ring Knurling device, which is characterized in that outside including bearing outer ring gear hobbing mechanism and bearing Enclose fixed mechanism；Bearing outer ring gear hobbing mechanism includes: shell I, central gear, rotary power component, gear hobbing component；It is described Bearing outer ring fixed mechanism includes: reciprocating sliding power part, push rod, swivel ferrule, gear chuck, expansion clamp ring, expansion Fastener, expansion top plate；

The central gear is movably arranged in the shell I, the rotary power component be arranged on the shell I and with institute Central gear is stated to be connected by power；The quantity of the gear hobbing component is more than one, is arranged on the shell I and with the center Gear is that center circumference is uniformly distributed, and the gear hobbing component includes: deflection gears, deflection arm, hobbing machine；The deflection gears are living It is dynamic to be arranged in the shell I and engaged with the central gear, multiple deflection mouths, the deflection are offered on the shell I Arm wears the deflection mouth and both ends are separately connected the deflection gears, the rolling for carrying out annular knurl to the bearing outer ring Gear；

The swivel ferrule is movably set on the push rod, and the swivel ferrule is connect with the gear chuck, the gear Chuck is connect with the expansion clamp ring, and the expansion clamp ring is set on the expansion fastener described for being arranged on it Bearing outer ring carries out swelling to the bearing outer ring and fixes；The expansion fastener is the ring with flexible deformation, medial surface For cone structure；The cone structure of the expansion fastener is set in the expansion top plate；One end of the push rod passes through described Gear chuck is connect with the expansion top plate, and the other end is connect with the reciprocating sliding power part by the reciprocating sliding power Component, which drives, carries out reciprocating sliding campaign.

2. the apparatus according to claim 1, which is characterized in that the expansion fastener is the circumferentially closed ring, Circumference is provided with several expanding petals on the ring, and the medial surface of the expanding petal is circular arc cone structure, the expansion top plate Periphery be the taper to match with the circular arc cone structure of the expanding petal.

3. the apparatus according to claim 1, which is characterized in that the quantity for expanding fastener, expanding top plate is two, Two expansion fastener head and the tail distribution settings, two expansion top plates are arranged in parallel and are all connected with the push rod.

4. the apparatus according to claim 1, which is characterized in that the expansion clamp ring is that single straight section of multiple circular arc types is in S type is bent back and forth and forms the cylindrical sleeve of head and the tail integrally connected.

5. device according to claim 4, which is characterized in that the gear chuck blocks the corresponding expansion clamp ring S The interstitial site circumference of type bending part is provided with boss, and the boss is fastened on the gap of the expansion clamp ring S type bending part It is interior.

6. the apparatus according to claim 1, which is characterized in that the rotary power component includes: motor I, shaft I, snail Bar, Liang Ge ear, worm gear；I activity of shaft is threaded through on the shell I and both ends are separately connected the central gear, snail Wheel, two ears are arranged on the shell I, and the worm screw is movably arranged in two ears, and the motor I is set It sets on the shell I and is connect with the worm screw, the worm screw engages with the worm gear.

7. the apparatus according to claim 1, which is characterized in that the quantity of the gear hobbing component is three or four, described Deflection arm is L-shaped, and one end of the deflection arm connects the arc surface region of not set teeth in the deflection gears.

8. the apparatus according to claim 1, which is characterized in that be arranged with synchronous pulley on the swivel ferrule.

9. the apparatus according to claim 1, which is characterized in that the reciprocating sliding power part includes: shell II, motor II, shaft II, eccentric runner, bearing, deflection circle, connecting rod I, connecting rod II；The bearing is set on the eccentric runner, described Deflection snare is located on the bearing, and the deflection circle is oval structure, is each provided with protrusion at the pair of horns of the shell II Jack-up structure, the deflection circle is accommodated in the shell II and two shaft portions of the upper oval structure of deflection circle are located at institute Another diagonal angle of shell II is stated, two shaft portions that upper oval structure is enclosed in the deflection are respectively articulated with the connecting rod I, connecting rod II One end, the protrusion of two of the shell II jacks up structure and is respectively articulated with the one end of the connecting rod I, connecting rod II, institute It states push rod and wears the shell II and its other end and deflection circle connection；Elongated slot, the electricity are offered on the shell II Machine II is connect with the shaft II, and the shaft II is connect after wearing the elongated slot with the eccentric runner bias.

10. device according to claim 9, which is characterized in that the reciprocating sliding power part further include: fixing sleeve I, Fixing sleeve II, balancing pole；The fixing sleeve I, fixing sleeve II are fixedly installed, and the swivel ferrule is movably set in the fixation On set I, the push rod is movably arranged in the fixing sleeve I, and the balancing pole and the same axis of the push rod are arranged；It is described flat Weighing apparatus bar wears the shell II and one end and deflection circle connect, and the other end is movably set on the fixing sleeve II.