CN102852977B - Split assembled enclosed carbon graphite retainer rolling bearing and making method - Google Patents
Split assembled enclosed carbon graphite retainer rolling bearing and making method Download PDFInfo
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- CN102852977B CN102852977B CN201210316909.9A CN201210316909A CN102852977B CN 102852977 B CN102852977 B CN 102852977B CN 201210316909 A CN201210316909 A CN 201210316909A CN 102852977 B CN102852977 B CN 102852977B
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Abstract
Enclosed carbon graphite retainer rolling bearing and making method, retainer main body material is carbon graphite, and retainer is closed type structure.Closed type structure realizes in the following manner: (1) lasso separable bearing or shrinkage-fit bearing are made as one enclosed carbon graphite retainer; (2) other bearing is when retainer assembles by two halves carbon graphite retainer bonding or riveted joint, and crown carbon graphite retainer is strengthened the bonding of ring plate or rivets with sealing, and carbon graphite beam column seals methods such as strengthening the bonding of ring plate or riveted joint realize with two.Enclosed carbon graphite retainer rolling bearing of the present invention, retainer bulk strength significantly promotes also thus improves limit speed and the operational reliability of bearing; Simplify bearing structure, be conducive to the raising of retainer pocket hole bottom strength simultaneously, thus be conducive to improving the operational reliability of bearing, have very much engineer applied to be worth, be suitable for high temperature, low temperature, burn into work under the environment such as oil pollution sensitivity.
Description
Technical field
The present invention relates to extraordinary technical field of rolling bearings, particularly Split assembled enclosed carbon graphite retainer rolling bearing and making method.Enclosed carbon graphite retainer is for the crown carbon graphite retainer of one end open, and closed type structure realizes according to bearing structure type and trap mode or is fitted at retainer in the process of bearing and realizes before retainer is fitted into bearing.
Background technique
Be operated in the rolling bearing under the environment such as high temperature superhigh temperature, low temperature ultralow temperature, the invasion and attack of acid-alkali salt medium, radiation, when lasso and rolling element adopt the special materials such as pottery to make, oiling agent and retainer often become the short slab of restriction bearing high-reliability long lifetime operation under these special operation conditions.For overcoming this short slab, carbon graphite material can be adopted to make bearing cage, carbon graphite material can be competent at above-mentioned operating mode, and, in running, the carbon graphite powder come off because of fretting wear in carbon graphite retainer and rolling element and lasso contact process, for Bearing inner each rubbing contact pair provides good solid lubricant, bearing is because obtaining the solid transfer film lubrication that continues and being able to reliable running.
The integral holder that existing carbon graphite material is made, is the Crown structure of one end open, is unfavorable for the raising of retainer bulk strength.Existing crown carbon graphite retainer, has band hold depth and is not with hold depth two type, but all there is technology limitation.The crown retainer of band hold depth carbon graphite, when assembling between rolling element and retainer, need to overcome this hold depth (magnitude of interference), but well-known, carbon graphite material fragility is very large, does not almost have what elasticity, therefore, assembly process very easily causes bottom retainer pocket hole and the brittle failure of beam grab, cause assembling waste product to raise, therefore the crown retainer of band hold depth carbon graphite is difficult to actual use.Claimant once proposed 201010512335.3 to make integral holder rolling bearing and making method with carbon graphite or electrographite, its retainer is the crown retainer of carbon graphite not with hold depth, retainer pocket hole one end open (opening is not with hold depth), during assembling, rolling element is after bearing circumferencial direction decile, crown retainer opening is rectified centrally axially bearing is inserted to bearing, clamp rolling element, utilize dust cover, the device such as snap ring or back-up ring carries out axial limiting to retainer, its mechanism is simple, assembling is quick, and swollen disconnected waste product can not be produced without elastic conjunction, make carbon graphite retainer can be competent at above-mentioned operating mode, reality can be applied to again.Thisly be not with the crown retainer of hold depth carbon graphite, actually can use, solve the use problem of the retainer under high temperature, low temperature, corrosive environment.But after one-phase uses, think and still have room for improvement, be in particular in: (1) crown retainer is open architecture, and therefore bulk strength is limited, when bearing load is heavier or speed is higher, there is the risk of fracture in retainer; (2) devices such as dust cover, snap ring or back-up ring must be utilized to carry out axial limiting to retainer, this makes bearing structure become relative complex and causes corresponding cost to raise on the one hand, on the other hand, the existence of these limit stoper has tied up the axial space position of bearing, be unfavorable for the raising of retainer pocket hole bottom thickness, thus be unfavorable for the raising of pocket hole bottom strength, can be relative outstanding to this performance of thin and ultralight serial bearing.
Summary of the invention
The first object of the present invention is to provide a kind of Split assembled enclosed carbon graphite retainer rolling bearing, to solve existing carbon graphite retainer rolling bearing, because the retainer insufficient strength bearing limit speed that is high and that cause thus adopting one end open formula Crown structure to exist is on the low side, the problem that bearing capacity is limited, and the assembling brittle failure problem that the crown retainer of band hold depth exists, not with the crown retainer of hold depth exist limited because the bearing structure that retainer limit stoper causes need be arranged, retainer local fracture in retainer axial dimension (such as pocket hole or fenestra bottom thickness) the limited bearing operation process caused, affect operational reliability and the service life problem of bearing.The second object of the present invention is that providing a kind of is material with carbon graphite, the Split assembled enclosed rolling bearing retainer be made by bonding or riveting method in integral production or assembly process before being fitted into bearing by retainer, to expand the using scope of carbon graphite retainer.
The preparation process that the third object of the present invention is to provide a kind of integral production, bonding or riveted joint forms Split assembled enclosed carbon graphite retainer, to optimize, to expand the preparation process and method of carbon graphite retainer.
The object of the invention is to realize by following technological scheme.The present invention is a kind of Split assembled enclosed carbon graphite retainer rolling bearing, comprise bearing outer ring, inner ring, rolling element between embedding outer ring raceway and inner ring raceway and the retainer by rolling element along the circumferential direction even partition, each rolling element described is placed in retainer pocket hole or fenestra respectively, described retainer adopts carbon graphite manufacture, and described retainer pocket hole or the hole wall of fenestra are continuous and closed closed type structures;
Described enclosed carbon graphite retainer is that Split assembled forms; It is characterized in that:
Described Split assembled enclosed carbon graphite retainer is riveted by two halves carbon graphite retainer and is formed; The Split assembled enclosed carbon graphite retainer of described riveted joint comprises two and half carbon graphite retainers and some rivets; Half carbon graphite retainer strengthens ring plate by half carbon graphite ring and the benefit end to form, a side end face of half carbon graphite ring is bonded with and mends end reinforcement ring plate, opposite side end face has the some half pocket holes or half fenestra radially arranged, half pocket hole of two opposite side end faces or half fenestra are being axially aligned and engaged, be riveted into one from two exterior edge faces by two and half carbon graphite retainers with rivet, become carbon graphite retainer; Or
Described Split assembled enclosed carbon graphite retainer is by the crown carbon graphite retainer not with hold depth and sealing reinforcement ring plate is bonding or riveted joint forms; Or
Described Split assembled enclosed carbon graphite retainer is sealed by the carbon graphite beam column equal with rolling element number and two that to strengthen ring plate bonding or rivet and form.
The pocket hole of described Split assembled enclosed carbon graphite retainer or fenestra are circular, square, rectangle, trapezoidal, sealing U-shaped, capsule shape or dolioform along the tangent plane kerf of retainer direction of axis line; Tangent plane kerf along described retainer radial direction is the straight shape of the mouth as one speaks, cone mouth type, nock type or beam waist type burner.
Described retainer material carbon graphite also comprises pure carbon graphite and pure electrographite, resin, salt, metal, alloy, glass-impregnated carbon graphite, electrographite or carbon silicide graphite.
Described sealing is strengthened ring plate and is made up of metal, pottery, carbon graphite or electrographite material.
The present invention also comprises the making method of described Split assembled enclosed carbon graphite retainer, and step is as follows respectively:
(1) the bonding Split assembled enclosed carbon graphite retainer manufacture method of ring plate is strengthened in crown carbon graphite retainer and sealing
The crown retainer of finished product is obtained with the processing of carbon graphite pipe;
Make sealing with metal, pottery or carbon graphite and strengthen ring plate, the external diameter of this ring plate is equal with internal diameter with the external diameter of crown carbon graphite retainer with internal diameter;
The adhesive asserably process of crown retainer and reinforcement ring plate is as follows: by bearing inner race, outer ring and rolling element sorting trap; Rolling element is allocated to along bearing circumferencial direction position of halving; By gluing on crown retainer opening end end face; Crown retainer is inserted bearing from bearing one end, with the ring plate centering attaching and compacting put into from the other end, solidification; Make Split assembled enclosed carbon graphite retainer;
(2) the bonding Split assembled enclosed carbon graphite retainer manufacture method of ring plate is strengthened in carbon graphite beam column and sealing
Concrete steps comprise:
1. sealing strengthens the making of ring plate with (1)
2. the making of mold accessory
Carbon graphite beam column can by the compression molding of carbon graphite powder, also first can make the crown retainer of carbon graphite of the thin end and then cut the end and obtain, in order to locating and machining, need to make the accessories such as mold;
This mold is the cylindrical body of band endoporus, its internal diameter is less than the design internal diameter of finished product retainer, external diameter is greater than the design external diameter of finished product retainer, along being the center of circle with mold cross-section center, being circumferentially uniformly distributed the special-shaped through hole equal with retainer beam grab number with the retainer design centre circular diameter circle that is diameter, the shape of cross section of the abnormity shape of cross section of through hole and carbon graphite beam column is similar, but size is bigger, special-shaped through hole forms transition with carbon graphite beam column or micro-gap coordinates; Except mold, other accessory comprises positioning ring, gland, gland addressee screw, coordinates mold to use;
3. the transition making of the crown carbon graphite retainer in the thin end
Process with carbon graphite pipe the crown retainer of finished product carbon graphite obtaining revealing all the details thin as far as possible, the beam grab partial-length of this crown retainer is greater than the design length of finished product retainer beam column, and after waiting the carbon graphite thin end cut, beam grab becomes beam column;
4. strengthen to seal the making that ring plate is the crown carbon graphite retainer of revealing all the details using beam column as beam grab
The beam grab of crown for thin end retainer is inserted in mold, and coating viscosity glue agent on the beam grab end face of its opening end, placement positioning ring, then place sealing and strengthen ring plate, the outer round surface of positioning ring is relied on to guide reinforcement ring plate concentric with each beam grab of retainer, place gland, screw is tightened up in installation, such reinforcement ring plate is just forced to concentric on sticky with retainer beam grab, then solidify, after solidification, excise the thin end of carbon graphite retainer of the thin end, just obtaining sealing reinforcement ring plate is the crown carbon graphite retainer of revealing all the details using beam column as beam grab, it is taken out for subsequent use from mold;
5. to seal, to strengthen ring plate be that adhesive asserably process that ring plate is strengthened in the crown carbon graphite retainer of revealing all the details using beam column as beam grab and another sealing is as follows: by bearing inner race, outer ring and rolling element sorting trap; Rolling element is allocated to along bearing circumferencial direction position of halving; By make to seal, to strengthen ring plate be that the crown carbon graphite retainer of revealing all the details using beam column as beam grab inserts bearing from bearing one end, at beam grab end face gluing, then, another sealing is strengthened ring plate and is inserted bearing from the bearing the other end, with crown retainer centering, attaching and compacting, solidification, makes Split assembled enclosed carbon graphite retainer;
(3) the Split assembled enclosed carbon graphite retainer manufacture method of two halves carbon graphite retainer riveted joint
The manufacture of two semi-finished product carbon graphite rings, processing carbon graphite ring, obtains carbon graphite semi-ring;
Ring plate is strengthened at the bottom of bonding benefit in a side end face of each carbon graphite ring, the material mending end reinforcement ring plate is metal, pottery or carbon graphite, the external diameter mending end reinforcement ring plate is less than or equal to the external diameter of carbon graphite ring, and internal diameter is more than or equal to the internal diameter of carbon graphite ring, and concentric with carbon graphite ring;
To straight pocket hole, cone pocket hole or straight fenestra, cone fenestra type retainer, two are stained with and mend the carbon graphite ring that ring plate is strengthened at the end, bonding annulus is buckled togather outwardly with one heart, adopts machinery type to clip, and pairing is radially processed retainer pocket hole or fenestra, processed rivet hole vertically; This two halves retainer matches riveted joint when bearing assemble;
To circular arc pocket hole or circular arc fenestra type retainer, two are stained with and mend the carbon graphite ring that ring plate is strengthened at the end, bonding annulus inwardly, namely the bonding annulus of two panels fits, be buckled togather with one heart, adopt machinery type to clip, pairing processes rivet hole vertically, then process semi-circle pocket hole or semi-circle fenestra vertically from both ends of the surface, this two halves retainer matches riveted joint when bearing assemble;
Treat bearing outer ring, inner ring and rolling element sorting trap, outwardly, insert half retainer intending matching respectively from bearing both sides, penetrate rivet along each rivet hole, riveted joint, makes Split assembled enclosed carbon graphite retainer to bonding annulus;
(4) the Split assembled enclosed carbon graphite retainer manufacture method of crown carbon graphite retainer and the riveted joint of reinforcement ring plate
The crown retainer of finished product and sealing strengthen the making method of ring plate with (1), riveter nail after making;
Strengthen ring plate at the bottom of the bonding benefit of flat end of then crown carbon graphite retainer, ring plate and retainer keep concentric, and its external diameter is less than or equal to the external diameter of crown retainer, and its internal diameter is more than or equal to the internal diameter of crown retainer; .To be combined firmly after, process rivet hole, rivet inserted wherein;
Treat bearing outer ring, inner ring and rolling element sorting trap, rolling element is allocated to along bearing circumferencial direction position of halving, the crown retainer of band rivet is inserted respectively from bearing one end, ring plate is strengthened in the sealing of inserting band rivet hole from the other end, each rivet strengthens the rivet hole of ring plate through sealing, riveted joint, makes Split assembled enclosed carbon graphite retainer;
(5) the Split assembled enclosed carbon graphite retainer manufacture method of carbon graphite beam column and the riveted joint of two sealing reinforcement ring plates
1. sealing strengthens the making of ring plate with (2), riveter nail after making,
2. mold is needed, the making same (2) of mold,
3. the transition making same (2) of the crown carbon graphite retainer in the thin end,
4. carbon graphite beam column making and wear rivet,
The transition crown carbon graphite retainer in the thin end is inserted in mold, this retainer obtain in mold location and spacing, riveter nail vertically, then the carbon graphite thin end is excised, the carbon graphite beam column of obtained band screw hole, at this moment, beam column wouldn't be taken out from mold, place the sealing reinforcement ring plate of band rivet hole from one end of beam column with one heart, with rivet, beam column and sealing are strengthened ring plate and be worn together, the assembly parts of obtained beam column, a reinforcement ring plate and rivet;
5. the making of Split assembled enclosed retainer
By bearing inner race, outer ring and rolling element sorting trap; Rolling element is allocated to along bearing circumferencial direction position of halving; 4. obtained assembly parts nail bar is inserted bearing from one end inwardly, another sealing is strengthened ring plate and is inserted bearing from the other end, its rivet hole matches with rivet bar, and after gap is eliminated in each centering laminating, rivet bar still exceeds sealing and strengthens ring plate, now, utilize riveting die, by the rivet bar jumping-up stretched out, become new rivet head, thus beam column and two panels sealing are strengthened ring plate riveting jail, make Split assembled enclosed carbon graphite retainer.
Closed type structure of the present invention realizes in the following manner: (1) lasso separable bearing or shrinkage-fit bearing are made as one enclosed carbon graphite retainer or Split assembled enclosed carbon graphite retainer; (2) retainer of other bearing is Split assembled enclosed carbon graphite retainer, when retainer assembles by bonding, the riveted joint of two halves carbon graphite retainer, crown carbon graphite retainer with seal strengthen ring plate bonding, to rivet and carbon graphite beam column and two seal methods such as strengthening the bonding of ring plate or riveted joint and realize.Compared with the crown carbon graphite retainer of existing one end open and rolling bearing, the present invention adopts enclosed carbon graphite retainer to improve the bulk strength of retainer, and, relative to the crown retainer of carbon graphite of band hold depth, retainer of the present invention is not with hold depth, avoiding in retainer and rolling element assembly process, there is the quality risk of fracture in retainer, relative to the crown retainer of the carbon graphite not with contracting amount, rolling bearing of the present invention arranges retainer axially stop block without the need to the flat end at crown retainer, in bearing width undersize (such as ultralight and thin bearing) and dust sealing is not very necessary, just can be designed as open architecture, like this, thickness bottom retainer pocket hole or fenestra is just significantly improved, in retainer processing and running, the risk that ruptures from here is just controlled, in addition, bonding or the riveted joint of carbon graphite beam column and metal or pottery reinforcement ring plate, be equivalent to reveal all the details with metal or pottery or substitute at the bottom of window carbon graphite to reveal all the details or at the bottom of window, achieve the high strength of the thin end of retainer, all these, substantially increase when carbon graphite material is applied to bearing cage dissimilar, different size series bearing and the adaptability to the different operating conditions of bearing, thus the operational reliability of bearing and service life are greatly improved.
Enclosed carbon graphite retainer rolling bearing of the present invention, retainer bulk strength significantly promotes also thus improves limit speed and the operational reliability of bearing; Simplify bearing structure, be conducive to the raising of retainer pocket hole bottom strength simultaneously, thus be conducive to improving the operational reliability of bearing, have very much engineer applied to be worth, be suitable for high temperature, low temperature, burn into work under the environment such as oil pollution sensitivity.
Accompanying drawing explanation
The schematic perspective view (Figure 1B) of Fig. 1 angular contact ball bearing structural representation (Figure 1A) and one enclosed carbon graphite retainer wherein.
Fig. 2 is the bonding schematic perspective view (Fig. 2 B) forming Split assembled enclosed retainer of double-side dustproof lid deep groove ball bearing structural representation (Fig. 2 A) and two halves carbon graphite retainer wherein.
Fig. 3 is the schematic perspective view (Fig. 3 B) that double-side dustproof lid deep groove ball bearing structural representation (Fig. 3 A) and the riveted joint of two halves carbon graphite retainer wherein form Split assembled enclosed retainer.
Fig. 4 is double-side dustproof lid deep groove ball bearing structural representation (Fig. 4 A) and crown carbon graphite retainer wherein and seals the bonding schematic perspective view (Fig. 4 B) forming Split assembled enclosed carbon graphite retainer of reinforcement ring plate.
Fig. 5 is double-side dustproof lid deep groove ball bearing structural representation (Fig. 5 A) and crown carbon graphite retainer wherein and seals the schematic perspective view (Fig. 5 B) that the riveted joint of reinforcement ring plate forms Split assembled enclosed carbon graphite retainer.
Fig. 6 is that the bonding schematic perspective views (Fig. 6 B) forming Split assembled enclosed carbon graphite retainer of ring plate are strengthened in double-side dustproof lid deep groove ball bearing structural representation (Fig. 6 A) and carbon graphite beam column wherein and two sealings.
Fig. 6 C is Split assembled enclosed carbon graphite retainer processing and making process mold figure.
Fig. 6 D is the location of retainer in mold, makes schematic diagram.
Fig. 7 is that the schematic perspective view (Fig. 7 B) that ring plates riveted joint forms Split assembled enclosed carbon graphite retainer is strengthened in double-side dustproof lid deep groove ball bearing structural representation (Fig. 7 A) and carbon graphite beam column wherein and two sealings.
Fig. 8 is enclosed carbon graphite retainer pocket hole or the fenestra kerf schematic diagram along retainer direction of axis line tangent plane.
Fig. 9 is the middle kerf schematic diagram along retainer radial section of pocket hole or fenestra width.
Code name explanation in figure
In Fig. 1,11 outer ring 12 inner ring 13 ball 14 retainers 141 lead to pocket hole 142 pocket hole wall
In Fig. 2,21 outer ring 22 inner ring 23 ball 24 retainer 25 dust cover 241 half retainer 242 adhesives 243 lead to pocket hole 244 pocket hole wall
In Fig. 3,31 outer ring 32 inner ring 33 ball 34 retainer 35 dust cover 341 half retainer 342 adhesives 343 are mended end reinforcement ring plate 344 rivet 345 and are led to pocket hole 346 pocket hole wall
In Fig. 4, the crown retainer 442 of 41 outer ring 42 inner ring 43 ball 44 retainer 45 dust cover 441 seals reinforcement ring plate 443 adhesive 444 and leads to pocket hole 445 pocket hole wall
In Fig. 5,51 outer ring 52 inner ring 53 ball 54 retainer 55 dust cover 541 crown retainer 542 sealing reinforcement ring plate 543 rivet 544 adhesive 545 is mended end reinforcement ring plate 546 and is led to pocket hole 547 pocket hole wall
In Fig. 6,61 outer ring 62 inner ring 63 ball 64 retainer 65 dust cover 641 beam column 642 sealing reinforcement ring plate 643 adhesives 644 lead to pocket hole 645 pocket hole wall
In Fig. 7,71 outer ring 72 inner ring 73 ball 74 retainer 75 dust cover 741 beam column 742 sealing reinforcement ring plate 743 rivets 744 lead to pocket hole 745 pocket hole wall
In Fig. 8,81 circular incision 82 square cutout 83 rectangular slits 84 trapezoidal cuts 85 seal the dolioform otch of U-shaped otch 86 capsule shape otch 87
In Fig. 9, the 91 straight shape of the mouth as one speaks 92 cone mouth type 93 nock type 94 beam waist type burners
Embodiment
The present invention utilizes carbon graphite material to have good mechanical strength and this feature of good self lubricity simultaneously, by being made into integration, bonding or clinching method manufactures enclosed carbon graphite retainer rolling bearing, obtains unexistent good self lubricity, high-low temperature resistant characteristic, radioresistance characteristic and the anti-medium invasion and attack characteristics such as existing metallic retainer, plastic holder, phenolic aldehyde fabroil retainer, obtain the unexistent closed type structure of existing one end open crown carbon graphite retainer, not only increase integral rigidity and the intensity of carbon graphite retainer, and to avoid in band hold depth crown retainer assembly process retainer by swollen disconnected risk, avoid the trouble that retainer limit stoper must be set with the crown retainer of hold depth on bearing, improve retainer design flexibility in axial direction, thus be conducive to improving the design thickness bottom retainer pocket hole or the design strength under same thickness, thus expand carbon graphite material for making Applicable scope during rolling bearing retainer, improve the operational reliability of rolling bearing under extraordinary operating mode and service life.
Below in conjunction with accompanying drawing, describe the present invention in detail.
Embodiment one.Be made into integration enclosed carbon graphite retainer angular contact ball bearing.As shown in Figure 1, Figure 1A is the structural representation of this bearing, and comprise bearing outer ring 11, inner ring 12, ball 13 and retainer 14, wherein retainer 14 is the closed type structure be made into integration by carbon graphite material, and Figure 1B is the schematic perspective view of retainer 14.
This part making method being made into integration enclosed carbon graphite retainer angular contact ball bearing is similar to existing copper entity retainer angular contact ball bearing with bearing assemble method, and difference is: 1. the present embodiment adopts carbon graphite material to substitute copper product integral production enclosed entity retainer; 2. the present embodiment angular contact ball bearing adopts without oily solid lubrication, can be applied in high temperature superhigh temperature, low temperature ultralow temperature, acid and alkali corrosion, the copper entity retainer angular contact ball bearing of the oil lubrications such as oil pollution is very responsive and grease lubrication is difficult to the occasion of being competent at after lasso and rolling element carry out corresponding heat treatment and chemical surface treatment.
It should be noted that, every existing rolling bearing adopting one enclosed alloy material entity retainer or one enclosed plastic entity retainer, all can be made into one enclosed carbon graphite material retainer rolling bearing; Every rolling bearing adopting one enclosed carbon graphite retainer, (split part is after outer ring, inner ring and rolling element trap, even ball all can to adopt Split assembled enclosed carbon graphite retainer, bearing can be inserted respectively from bearing two ends, and be combined into enclosed carbon graphite retainer by bonding or riveting method), otherwise but not so.
Embodiment two.Two halves carbon graphite retainer is bonding forms Split assembled enclosed carbon graphite retainer deep groove ball bearing.As shown in Figure 2, Fig. 2 A is the structural representation of this bearing, comprise bearing outer ring 21, inner ring 22, ball 23, retainer 24 and dust cover 25, wherein retainer 24 is by the bonding Split assembled closed type structure of adhesive 242 by two halves carbon graphite retainer 241, Fig. 2 B is the schematic perspective view of retainer 24, concrete structure is, retainer 24 comprises 2 with half retainer 241 corresponding to the shape in some half-pass pocket holes, on the end face with side, half-pass pocket hole of 2 half retainers 241, with adhesive 242 by bonding for 2 half retainers 241, 2 half-pass pocket holes are formed and closes logical pocket hole 243, make retainer 24.
The working process of this Split assembled enclosed carbon graphite retainer deep groove ball bearing comprises making and the assembling of bearing parts, and concrete steps comprise:
(1) making method of bearing outer ring 21, inner ring 22, ball 23, dust cover 25 is with existing deep groove ball bearing
(2) making of two halves carbon graphite retainer 241
Two halves carbon graphite ring is made with carbon graphite pipe, the external diameter of two halves carbon graphite ring, internal diameter and equal the design external diameter of two halves carbon graphite retainer 241, internal diameter and height highly respectively, two carbon graphite rings are buckled togather with one heart, employing machinery type clips, the pairing processing straight pocket hole of retainer, makes two halves carbon graphite retainer 241.This two halves carbon graphite retainer matches bonding when bearing assemble.
(3) bearing assemble
The sorting trap of outer ring 21, inner ring 22, rolling element 23 three is with existing deep groove ball bearing; By coating viscosity glue agent 242 on the opening end end face of two halves retainer 241, then flat end inserts bearing from bearing both sides outwardly respectively, central alignment, compacting, and adhesive 242 solidifies, and namely makes Split assembled enclosed carbon graphite retainer 24; Dust sealing bearing made by stamped metal dust cover 25.
Embodiment three.The riveted joint of two halves carbon graphite retainer forms Split assembled enclosed carbon graphite retainer deep groove ball bearing.As shown in Figure 3, Fig. 3 A is the structural representation of this bearing, comprise bearing outer ring 31, inner ring 32, ball 33, retainer 34 and dust cover 35, wherein retainer 34 is the Split assembled closed type structure of being riveted by rivet 344 by two halves carbon graphite retainer 341, and Fig. 3 B is the schematic perspective view of retainer 34.As shown in the figure, retainer 34 comprises 2 with half retainer 341 corresponding to the shape of some half-pass pocket holes and rivet hole, two halves retainer 341 half-pass pocket hole rivets together by rivet 344 relatively, makes 2 half-pass pocket holes formation lay the logical pocket hole 345 closed of ball 33, makes retainer 34.Settle at the flat end of half retainer 341 and mend the end and strengthen ring plate 343, be conducive to improving further the intensity bottom the riveted intensity of rivet 344 and half retainer 341 pocket hole.
The working process of this Split assembled enclosed carbon graphite retainer deep groove ball bearing comprises making and the assembling of bearing parts, and concrete steps comprise:
(1) making method of bearing outer ring 31, inner ring 32, ball 33, dust cover 35 is with existing deep groove ball bearing
(2) two half band mend the making that the carbon graphite retainer of ring plate and rivet hole is strengthened at the end
Two halves carbon graphites ring is made, to its external diameter, internal diameter with equal the design external diameter of two halves carbon graphite retainer 341, internal diameter and height highly respectively with carbon graphite pipe; Pass through to strengthen ring plate 343 at the bottom of the bonding benefit of adhesive 342 at one of them end face of each carbon graphite ring; Two of bonding ring plate carbon graphite ring ring plates are buckled togather outwardly with one heart, employing machinery type clips, pairing is radially processed the straight pocket hole of retainer, is processed rivet hole vertically, makes two half band and mends the carbon graphite retainer that ring plate and rivet hole are strengthened in the end, the pairing riveted joint when bearing assemble.
(3) bearing assemble
The sorting trap of outer ring 31, inner ring 32, rolling element 33 three is with existing deep groove ball bearing, rivet 344 is strengthened ring plate side from the benefit end first to be inserted the rivet hole of one of them half retainer, then, ailhead (is namely mended the end and is strengthened ring plate outwardly) nail bar outwardly and inserts bearing from side inwardly, another half retainer is mended the end and is strengthened ring plate outwardly from offside insertion bearing, its rivet hole matches with rivet bar, after two and half retainer make-up laminating gaplesss, rivet bar still exceeds the flat end of half retainer, now, utilize riveting die, the rivet bar jumping-up of the flat end of half retainer will be stretched out, become new rivet head, thus by two and half retainer riveting jails, make Split assembled enclosed carbon graphite retainer 34, dust sealing bearing made by stamped metal dust cover 35.
Embodiment four.Crown carbon graphite retainer and sealing strengthen that ring plate is bonding forms Split assembled enclosed carbon graphite retainer deep groove ball bearing.As shown in Figure 4, Fig. 4 A is the structural representation of this bearing, comprise bearing outer ring 41, inner ring 42, ball 43, retainer 44 and dust cover 45, wherein retainer 44 is strengthen ring plate 442 by the bonding Split assembled closed type structure of adhesive 443 by crown retainer 441 and sealing, and Fig. 4 B is the schematic perspective view of retainer 44.As shown in the figure, retainer 44 comprises crown retainer 441, ring plate 442 is strengthened in sealing, crown retainer 441 is for closing one end, the other end is with the crown body in the logical pocket hole 444 of some openings, with adhesive 443, the opening end of crown retainer 441 and sealing are strengthened ring plate 442 bonding, form the logical fenestra 444 closed, make retainer 44.
The working process of this Split assembled enclosed carbon graphite retainer deep groove ball bearing comprises making and the assembling of bearing parts, and concrete steps comprise:
(1) making method of bearing outer ring 41, inner ring 42, ball 43, dust cover 45 is with existing deep groove ball bearing
(2) making of crown retainer 441
In 201010512335.3 " making rolling bearing and the making method of integral holder with carbon graphite or electrographite " that the making method of crown retainer 441 and claimant once proposed, the making method of crown retainer is same or similar.
(3) making of ring plate 442 is strengthened in sealing
This sealing is strengthened ring plate and is stamped to form by sheetmetal, and its external diameter is substantially equal with internal diameter with the external diameter of crown retainer 441 with internal diameter.
(4) bearing assemble
The sorting trap of outer ring 41, inner ring 42, rolling element 43 three is with existing deep groove ball bearing; By coating viscosity glue agent 443 on crown retainer 441 opening end end face; Crown retainer 441 opening end is strengthened ring plate 442 with sealing inwardly and is inserted bearing from bearing both sides centering respectively, attaching and compacting, and adhesive solidifies, and makes Split assembled enclosed carbon graphite retainer 44; Dust sealing bearing made by stamped metal dust cover 45.
Embodiment five.Crown carbon graphite retainer and sealing are strengthened ring plate riveted joint and are formed Split assembled enclosed carbon graphite retainer deep groove ball bearing.As shown in Figure 5, Fig. 5 A is the structural representation of this bearing, comprise bearing outer ring 51, inner ring 52, ball 53, retainer 54 and dust cover 55, wherein retainer 54 is the Split assembled closed type structure of being riveted by rivet 543 by crown retainer 541 and sealing reinforcement ring plate 542, and Fig. 5 B is the schematic perspective view of retainer 54.Ring plate 542 is strengthened in the sealing of crown retainer 541 and band rivet hole that retainer 54 comprises band rivet hole, and both riveteds get up by rivet 543, form the logical fenestra 546 closed, make retainer 54.Settle at the flat end of crown retainer 541 and mend the end and strengthen ring plate 545, be conducive to improving further the intensity bottom the riveted intensity of rivet 543 and crown retainer 541 pocket hole.
The working process of this Split assembled enclosed carbon graphite retainer deep groove ball bearing comprises making and the assembling of bearing parts, and concrete steps comprise:
(1) making method of bearing outer ring 51, inner ring 52, ball 53, dust cover 55 is with existing deep groove ball bearing
(2) making of ring plate 542 is strengthened in crown retainer 541 and sealing
The making method of the crown retainer 541 of carbon graphite, with embodiment four, after making, strengthens ring plate 545 at the bottom of the bonding benefit for bearing rivet head riveted power of its non-opening flat end adhesive 544, then strengthens matching together with ring plate 542 with sealing getting rivet hole.
(3) bearing assemble
The sorting trap of outer ring 51, inner ring 52, rolling element 53 three is with existing deep groove ball bearing, the flat end that rivet 543 is strengthened ring plate at the bottom of the bonding benefit of crown retainer inserts its rivet hole, then, ailhead is followed closely bar outwardly and is inserted bearing from side inwardly, sealing with rivet hole is strengthened ring plate 542 and is inserted bearing from offside, its rivet hole matches with rivet bar, after ring plate 542 make-up laminating gapless is strengthened in crown retainer and sealing, rivet bar still exceeds sealing and strengthens ring plate 542, now, utilize riveting die, by the rivet bar jumping-up stretched out, become new rivet head, thus crown retainer and sealing are strengthened ring plate 542 riveting jail, make Split assembled enclosed carbon graphite retainer 54, dust sealing bearing made by stamped metal dust cover 55.
Embodiment six.Carbon graphite beam column and two sealings strengthen that ring plate is bonding forms Split assembled enclosed carbon graphite retainer deep groove ball bearing.As shown in Figure 6, Fig. 6 A is the structural representation of this bearing, comprise bearing outer ring 61, inner ring 62, ball 63, retainer 64 and dust cover 65, wherein retainer 64 is that carbon graphite beam column 641 and sealing strengthen ring plate 642 by the bonding Split assembled closed type structure of adhesive 643, and Fig. 6 B is the schematic perspective view of retainer 64.Retainer 64 comprises carbon graphite beam column 641 and ring plate 642 is strengthened in sealing, the cooperation position that each beam column 641 equal with rolling element number presses rolling element is arranged in place, 2 sealings are strengthened ring plate 642 is bonded in each beam column 641 2 end faces with adhesive 643, form the logical fenestra 644 closed, make retainer 64.
The working process of this Split assembled enclosed carbon graphite retainer deep groove ball bearing comprises making and the assembling of bearing parts, and concrete steps comprise:
(1) making method of bearing outer ring 61, inner ring 62, ball 63, dust cover 65 is with existing deep groove ball bearing
(2) sealing strengthens the making method of ring plate 642 with embodiment four
(3) carbon graphite beam column 641 and strengthen ring plate 642 for the crown carbon graphite retainer of revealing all the details using beam column 641 as beam grab make to seal
Specifically comprise the steps, wherein need metal mold etc. as accessory:
1. metal internal model making
As Fig. 6 C, this mold is the cylindrical body of band endoporus, its internal diameter is less than the design internal diameter of finished product retainer, external diameter is greater than the design external diameter of finished product retainer, along being the center of circle with mold cross-section center, being circumferentially uniformly distributed the special-shaped through hole equal with retainer 64 beam grab number with the retainer 64 design centre circular diameter circle that is diameter, the shape of cross section of opposite sex through hole is identical with the shape of cross section of carbon graphite beam column 641 or similar, but size is bigger, different in nature through hole forms transition with carbon graphite beam column 641 or micro-gap coordinates.Mold is by metallic material machining or formed by powder metallurgy, has good geometric accuracy.
2. the transition making of the crown carbon graphite retainer in the thin end
The crown retainer of finished product carbon graphite obtaining revealing all the details thin is as far as possible processed with carbon graphite pipe, the beam grab partial-length of this crown retainer is slightly larger than the design length of beam column 641, after cut at the carbon graphite thin end, the beam grab of transition retainer becomes the beam column 641 of final retainer.
3. strengthen to seal the making that ring plate 642 is the crown carbon graphite retainer using beam column 641 as beam grab of revealing all the details
Working process uses the mold shown in Fig. 6 C, also need some auxiliary components in addition, Fig. 6 D be seal strengthen ring plate 642 for the crown carbon graphite retainer of revealing all the details using beam column 641 as beam grab make time, the transition relative position relation schematic diagram of carbon graphite retainer of the thin end and mold and auxiliary component.
In Fig. 6 D, 1 is the mold in Fig. 6 C, and 2 is positioning ring, and 3 is gland, and 4 for tightening up screw.
As Fig. 6 D, the beam grab 641 of crown for thin end retainer is inserted in mold 1, and coating viscosity glue agent 643 on the beam grab end face of its opening end, placement positioning ring 2, then place sealing and strengthen ring plate 642, the outer round surface of positioning ring 3 is relied on to guide reinforcement ring plate 642 concentric with each beam grab of retainer, place gland 3, screw 4 is tightened up in installation, such reinforcement ring plate 642 is concentric on sticky with retainer beam grab, then solidify, after solidification, excise the thin end of carbon graphite retainer of the thin end, just obtain sealing and strengthen the crown carbon graphite retainer of ring plate 642 for revealing all the details using beam column 641 as beam grab, it is taken out for subsequent use from mold 1.
(4) bearing assemble
The sorting trap of outer ring 61, inner ring 62, rolling element 63 three is with existing deep groove ball bearing; What will obtain in the present embodiment step (3) inserts bearing from bearing side inwardly to seal the opening end that reinforcement ring plate 642 is the crown carbon graphite retainer using beam column 641 as beam grab of revealing all the details, then coating viscosity glue agent 643 on the end face of beam grab 641, another sealing is strengthened ring plate 642 and is put into bearing from bearing opposite side, with beam grab 641 centering attaching and compacting, solidification, obtained Split assembled enclosed carbon graphite retainer 64; Dust sealing bearing made by stamped metal dust cover 65.
Embodiment seven.Carbon graphite beam column and two sealings are strengthened ring plate riveted joint and are formed Split assembled enclosed carbon graphite retainer deep groove ball bearing.As shown in Figure 7, Fig. 7 A is the structural representation of this bearing, comprise bearing outer ring 71, inner ring 72, ball 73, retainer 74 and dust cover 75, wherein retainer 74 is the Split assembled closed type structure that carbon graphite beam column 741 and two sealing reinforcement ring plates 742 are riveted by rivet 743, and Fig. 7 B is the schematic perspective view of retainer 74.Ring plates 742 are strengthened in two sealings at retainer 74 comprises some band rivet holes and circumferentially uniform carbon graphite beam column 741 and band rivet hole are placed in carbon graphite beam column 741 two ends, carbon graphite beam column 741 and sealing are strengthened ring plate 742 riveted and are got up by rivet 743, form the logical fenestra 744 closed, make retainer 74.
The working process of this Split assembled enclosed carbon graphite retainer deep groove ball bearing comprises making and the assembling of bearing parts, and concrete steps comprise:
(1) making method of bearing outer ring 71, inner ring 72, ball 73, dust cover 75 is with existing deep groove ball bearing
(2) making method of ring plate 742 is strengthened in sealing
Ring plate 742 is strengthened in the sealing being obtained band rivet hole by punching press.
(3) carbon graphite beam column 741 making and wear rivet
Specifically comprise the steps, wherein need a metal mold as accessory:
1. metal internal model making
With embodiment six.
2. the transition making of the crown carbon graphite retainer in the thin end
With embodiment six.
3. carbon graphite beam column 741 making and wear rivet
Insert in the mold shown in Fig. 6 C by crown for thin end carbon graphite retainer, riveter nail, the thin end i.e. beam column 741 of obtained band rivet hole of excision carbon graphite retainer, at this moment, wouldn't take out it from mold.Ring plate 742 is strengthened in the sealing of placing band rivet hole from a side of beam column 741 with one heart, and beam column 741 and reinforcement ring plate 742 are worn together with rivet 743, obtained beam column 741, strengthens the assembly parts of ring plate 742 and rivet 743.
(4) bearing assemble
The sorting trap of outer ring 71, inner ring 72, rolling element 73 three is with existing deep groove ball bearing; The assembly parts ailhead that the present embodiment (3) is 3. obtained being followed closely bar outwardly inserts bearing from side inwardly, another sealing is strengthened ring plate 742 and is inserted bearing from offside, its rivet hole matches with rivet bar, after gap is eliminated in each centering laminating, rivet bar still exceeds sealing and strengthens ring plate 742, now, utilize riveting die, by the rivet bar jumping-up stretched out, become new rivet head, thus beam column 741 and two panels sealing are strengthened ring plate 742 riveting jail, make Split assembled enclosed carbon graphite retainer 74; Dust sealing bearing made by stamped metal dust cover 75.
It should be noted that, (1), in the various embodiments described above, the making method of retainer specially bearing is fixed as single-row ball-bearing to give prominence to the key points and illustrating, illustrate one enclosed time angular contact ball bearing, all adopt single-groove grooved ball bearing when Split assembled enclosed is described.But practical application is not limited thereto, the producing principle of the carbon graphite of enclosed described in embodiment retainer rolling bearing and method are applicable to the rolling bearing of all types and structure; (2) the retainer material carbon graphite of the various embodiments described above comprises pure carbon graphite and electrographite, impregnated carbon graphite and the electrographites such as resin, salt, metal, alloy, glass, all machinery charcoal (carbon) materials such as carbon silicide graphite; (3) as shown in Figure 8, the pocket hole of enclosed carbon graphite retainer or fenestra are along the tangent plane kerf of retainer direction of axis line, according to rolling element profile design, can select that circular 81, square 82, rectangle 83, level are trapezoidal 84, level sealing is U-shaped 85, capsule shape 86 and waist-drum-shaped 87, upper row is depicted as pocket hole on one enclosed retainer or fenestra, and lower row is depicted as pocket hole on Split assembled enclosed retainer or fenestra; (4) as shown in Figure 9, the pocket hole of enclosed carbon graphite retainer or fenestra throw view along the tangent plane kerf of retainer radial direction, and 91 is the straight shape of the mouth as one speaks, and feature is that bore is from remaining unchanged inwards outward; 92 is cone mouth shape, and all bores that meets are from diminishing gradually inwards or become large all genus cone mouth type gradually outward; 93 is nock type, and all bores that meets are from first changing from small to big inwards outward, and then all genus nock type from large to small; 94 is beam waist type burner, and all bores that meets are from outward inwards from large to small first, and then all genus beam waist type burner changed from small to big.One enclosed can only select the straight shape of the mouth as one speaks and cone mouth type, and Split assembled enclosed four kinds of type shapes can be selected.To embodiment six and embodiment seven, retainer adopts beam column and sealing to strengthen ring plate and forms Split assembled closed type structure by bonding or riveted joint, along the cutting of retainer radial direction, adjacent two beam columns may form " encirclement " shape to rolling element, also " non-encirclement " shape may be formed, this depends on shape of cross section and the size of beam column completely, as long as and the axial direction that the design of the shape of cross section of beam column and size can meet along bearing inserts between two rolling elements, when beam column shape of cross section identical with the beam grab shape of cross section of normal retainer or similar time, just form pocket hole or the fenestra of " encirclement " shape, comprise the straight shape of the mouth as one speaks, cone mouth shape and nock type, when beam column shape of cross section is the convex shape such as cylinder, just form the beam waist type burner of " non-encirclement " shape, as 94 in Fig. 9, (5) sealing of carbon graphite retainer is strengthened ring plate and mended end stiffening ring sheet material can be metal, pottery or carbon graphite, specifically determines according to the running environment of bearing, (6) when being limited to bearing radial dimension, when causing the thinner strength deficiency of the monolateral wall thickness of carbon graphite retainer radial direction, the mode that can install metal valve jacket (not shown) additional to it carries out reinforcement.
Be only several specific embodiments of the application above, but the application is not limited thereto, the changes that any person skilled in the art can think of, all should drops in the protection domain of the application.
Claims (5)
1. a Split assembled enclosed carbon graphite retainer rolling bearing, comprise bearing outer ring, inner ring, rolling element between embedding outer ring raceway and inner ring raceway and the retainer by rolling element along the circumferential direction even partition, each rolling element described is placed in retainer pocket hole or fenestra respectively, described retainer adopts carbon graphite manufacture, and described retainer pocket hole or the hole wall of fenestra are continuous and closed closed type structures;
Described enclosed carbon graphite retainer is that Split assembled forms; It is characterized in that:
Described Split assembled enclosed carbon graphite retainer is riveted by two halves carbon graphite retainer and is formed; The Split assembled enclosed carbon graphite retainer of described riveted joint comprises two and half carbon graphite retainers and some rivets; Half carbon graphite retainer strengthens ring plate by half carbon graphite ring and the benefit end to form, a side end face of half carbon graphite ring is bonded with and mends end reinforcement ring plate, opposite side end face has the some half pocket holes or half fenestra radially arranged, half pocket hole of two opposite side end faces or half fenestra are being axially aligned and engaged, be riveted into one from two exterior edge faces by two and half carbon graphite retainers with rivet, become carbon graphite retainer; Or
Described Split assembled enclosed carbon graphite retainer is by the crown carbon graphite retainer not with hold depth and sealing reinforcement ring plate is bonding or riveted joint forms; Or
Described Split assembled enclosed carbon graphite retainer is sealed by the carbon graphite beam column equal with rolling element number and two that to strengthen ring plate bonding or rivet and form.
2. rolling bearing according to claim 1, is characterized in that: the pocket hole of described Split assembled enclosed carbon graphite retainer or fenestra are circular, square, rectangle, trapezoidal, sealing U-shaped, capsule shape or dolioform along the tangent plane kerf of retainer direction of axis line; Tangent plane kerf along described retainer radial direction is the straight shape of the mouth as one speaks, cone mouth type, nock type or beam waist type burner.
3. rolling bearing according to claim 1, is characterized in that: described retainer material carbon graphite also comprises pure carbon graphite and pure electrographite, resin, salt, metal, alloy, glass-impregnated carbon graphite, electrographite or carbon silicide graphite.
4. rolling bearing according to claim 1, is characterized in that: described sealing is strengthened ring plate and is made up of metal, pottery, carbon graphite or electrographite material.
5. the making method of rolling bearing according to claim 1, is characterized in that: the making method comprising described Split assembled enclosed carbon graphite retainer, and step is as follows respectively:
(1) the bonding Split assembled enclosed carbon graphite retainer manufacture method of ring plate is strengthened in crown carbon graphite retainer and sealing
The crown retainer of finished product is obtained with the processing of carbon graphite pipe;
Make sealing with metal, pottery or carbon graphite and strengthen ring plate, the external diameter of this ring plate is equal with internal diameter with the external diameter of crown carbon graphite retainer with internal diameter;
The adhesive asserably process of crown retainer and reinforcement ring plate is as follows: by bearing inner race, outer ring and rolling element sorting trap; Rolling element is allocated to along bearing circumferencial direction position of halving; By gluing on crown retainer opening end end face; Crown retainer is inserted bearing from bearing one end, with the ring plate centering attaching and compacting put into from the other end, solidification; Make Split assembled enclosed carbon graphite retainer;
(2) the bonding Split assembled enclosed carbon graphite retainer manufacture method of ring plate is strengthened in carbon graphite beam column and sealing
Concrete steps comprise:
1. sealing strengthens the making of ring plate with (1)
2. the making of mold accessory
Carbon graphite beam column can by the compression molding of carbon graphite powder, also first can make the crown retainer of carbon graphite of the thin end and then cut the end and obtain, in order to locating and machining, need to make the accessories such as mold;
This mold is the cylindrical body of band endoporus, its internal diameter is less than the design internal diameter of finished product retainer, external diameter is greater than the design external diameter of finished product retainer, along being the center of circle with mold cross-section center, being circumferentially uniformly distributed the special-shaped through hole equal with retainer beam grab number with the retainer design centre circular diameter circle that is diameter, the shape of cross section of the abnormity shape of cross section of through hole and carbon graphite beam column is similar, but size is bigger, special-shaped through hole forms transition with carbon graphite beam column or micro-gap coordinates; Except mold, other accessory comprises positioning ring, gland, gland addressee screw, coordinates mold to use;
3. the transition making of the crown carbon graphite retainer in the thin end
Process with carbon graphite pipe the crown retainer of finished product carbon graphite obtaining revealing all the details thin as far as possible, the beam grab partial-length of this crown retainer is greater than the design length of finished product retainer beam column, and after waiting the carbon graphite thin end cut, beam grab becomes beam column;
4. strengthen to seal the making that ring plate is the crown carbon graphite retainer of revealing all the details using beam column as beam grab
The beam grab of crown for thin end retainer is inserted in mold, and coating viscosity glue agent on the beam grab end face of its opening end, placement positioning ring, then place sealing and strengthen ring plate, the outer round surface of positioning ring is relied on to guide reinforcement ring plate concentric with each beam grab of retainer, place gland, screw is tightened up in installation, such reinforcement ring plate is just forced to concentric on sticky with retainer beam grab, then solidify, after solidification, excise the thin end of carbon graphite retainer of the thin end, just obtaining sealing reinforcement ring plate is the crown carbon graphite retainer of revealing all the details using beam column as beam grab, it is taken out for subsequent use from mold;
5. to seal, to strengthen ring plate be that adhesive asserably process that ring plate is strengthened in the crown carbon graphite retainer of revealing all the details using beam column as beam grab and another sealing is as follows: by bearing inner race, outer ring and rolling element sorting trap; Rolling element is allocated to along bearing circumferencial direction position of halving; By make to seal, to strengthen ring plate be that the crown carbon graphite retainer of revealing all the details using beam column as beam grab inserts bearing from bearing one end, at beam grab end face gluing, then, another sealing is strengthened ring plate and is inserted bearing from the bearing the other end, with crown retainer centering, attaching and compacting, solidification, makes Split assembled enclosed carbon graphite retainer;
(3) the Split assembled enclosed carbon graphite retainer manufacture method of two halves carbon graphite retainer riveted joint
The manufacture of two semi-finished product carbon graphite rings, processing carbon graphite ring, obtains carbon graphite semi-ring;
Ring plate is strengthened at the bottom of bonding benefit in a side end face of each carbon graphite ring, the material mending end reinforcement ring plate is metal, pottery or carbon graphite, the external diameter mending end reinforcement ring plate is less than or equal to the external diameter of carbon graphite ring, and internal diameter is more than or equal to the internal diameter of carbon graphite ring, and concentric with carbon graphite ring;
To straight pocket hole, cone pocket hole or straight fenestra, cone fenestra type retainer, two are stained with and mend the carbon graphite ring that ring plate is strengthened at the end, bonding annulus is buckled togather outwardly with one heart, adopts machinery type to clip, and pairing is radially processed retainer pocket hole or fenestra, processed rivet hole vertically; This two halves retainer matches riveted joint when bearing assemble;
To circular arc pocket hole or circular arc fenestra type retainer, two are stained with and mend the carbon graphite ring that ring plate is strengthened at the end, bonding annulus inwardly, namely the bonding annulus of two panels fits, be buckled togather with one heart, adopt machinery type to clip, pairing processes rivet hole vertically, then process semi-circle pocket hole or semi-circle fenestra vertically from both ends of the surface, this two halves retainer matches riveted joint when bearing assemble;
Treat bearing outer ring, inner ring and rolling element sorting trap, outwardly, insert half retainer intending matching respectively from bearing both sides, penetrate rivet along each rivet hole, riveted joint, makes Split assembled enclosed carbon graphite retainer to bonding annulus;
(4) the Split assembled enclosed carbon graphite retainer manufacture method of crown carbon graphite retainer and the riveted joint of reinforcement ring plate
The crown retainer of finished product and sealing strengthen the making method of ring plate with (1), riveter nail after making;
Strengthen ring plate at the bottom of the bonding benefit of flat end of then crown carbon graphite retainer, ring plate and retainer keep concentric, and its external diameter is less than or equal to the external diameter of crown retainer, and its internal diameter is more than or equal to the internal diameter of crown retainer; To be combined firmly after, process rivet hole, rivet inserted wherein;
Treat bearing outer ring, inner ring and rolling element sorting trap, rolling element is allocated to along bearing circumferencial direction position of halving, the crown retainer of band rivet is inserted respectively from bearing one end, ring plate is strengthened in the sealing of inserting band rivet hole from the other end, each rivet strengthens the rivet hole of ring plate through sealing, riveted joint, makes Split assembled enclosed carbon graphite retainer;
(5) the Split assembled enclosed carbon graphite retainer manufacture method of carbon graphite beam column and the riveted joint of two sealing reinforcement ring plates
1. sealing strengthens the making of ring plate with (2), riveter nail after making,
2. mold is needed, the making same (2) of mold,
3. the transition making same (2) of the crown carbon graphite retainer in the thin end,
4. carbon graphite beam column making and wear rivet,
The transition crown carbon graphite retainer in the thin end is inserted in mold, this retainer obtain in mold location and spacing, riveter nail vertically, then the carbon graphite thin end is excised, the carbon graphite beam column of obtained band screw hole, at this moment, beam column wouldn't be taken out from mold, place the sealing reinforcement ring plate of band rivet hole from one end of beam column with one heart, with rivet, beam column and sealing are strengthened ring plate and be worn together, the assembly parts of obtained beam column, a reinforcement ring plate and rivet;
5. the making of Split assembled enclosed retainer
By bearing inner race, outer ring and rolling element sorting trap; Rolling element is allocated to along bearing circumferencial direction position of halving; 4. obtained assembly parts nail bar is inserted bearing from one end inwardly, another sealing is strengthened ring plate and is inserted bearing from the other end, its rivet hole matches with rivet bar, and after gap is eliminated in each centering laminating, rivet bar still exceeds sealing and strengthens ring plate, now, utilize riveting die, by the rivet bar jumping-up stretched out, become new rivet head, thus beam column and two panels sealing are strengthened ring plate riveting jail, make Split assembled enclosed carbon graphite retainer.
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| CN201210316909.9A CN102852977B (en) | 2012-08-30 | 2012-08-30 | Split assembled enclosed carbon graphite retainer rolling bearing and making method |
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| CN103671495A (en) * | 2013-11-25 | 2014-03-26 | 上海斐赛轴承科技有限公司 | Radial ball bearing with non-metallic riveting retainer and manufacturing method of radial ball bearing |
| CN107988668A (en) * | 2017-12-14 | 2018-05-04 | 新昌县蓝翔机械有限公司 | A kind of distribution false twisting machine |
| CN108374832B (en) * | 2018-05-09 | 2021-02-05 | 海宁科巍轴承科技有限公司 | Bearing with ceramic retainer |
| CN110497164B (en) * | 2019-08-29 | 2021-09-17 | 宁波嘉鹏机械设备制造有限公司 | Machining process of driving link rod in thermoplastic forming equipment |
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