CN100510447C - Ball bearing producing apparatus and ball bearing producing method - Google Patents
Ball bearing producing apparatus and ball bearing producing method Download PDFInfo
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- CN100510447C CN100510447C CNB2005100627485A CN200510062748A CN100510447C CN 100510447 C CN100510447 C CN 100510447C CN B2005100627485 A CNB2005100627485 A CN B2005100627485A CN 200510062748 A CN200510062748 A CN 200510062748A CN 100510447 C CN100510447 C CN 100510447C
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- retainer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
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Abstract
This invention provides a ball bearing manufacturing device and ball bearing manufacturing method capable of preventing its tool from wearing while a retainer is made practicable to be installed properly. As a ball restricting tool to receive balls 15 of a ball bearing, a second ball restricting tool is provided in which a plurality of second supporting parts are arranged approximately at a constant spacing on one circumference in the condition that a gap is reserved in between. The side faces of the second supporting parts 46 facing the adjoining second supporting parts 46 are made receptacle surfaces 46a consisting each of a plumb surface. At the top of each second supporting part 46, a guide surface 46b is formed to guide balls 15 to between the receptacle surfaces 46a of the second supporting part 46 when inserted to between the inner ring and the outer ring, and in the condition that the second ball restricting tool is inserted between the inner ring and the outer ring of the ball bearing, the balls 15 are accepted between the adjoining second supporting parts 46 and received being pinched by their receptacle surfaces 46a.
Description
Technical field
The present invention relates to ball bearing producing apparatus and ball bearing producing method.
Background technique
Ball bearing is a kind of like this parts: dispose a plurality of balls as rolling element between inner ring and outer ring, ball is uniformly-spaced disposed and it is kept by being located at the retainer that is made of resin or light metal etc. between inner ring and the outer ring.For example, be used for running shaft or live axle are supported at castor, roller skate or HDD (hard disk drive) with spindle motor etc.
As the manufacture method of this ball bearing, known have the ball bearing for example put down in writing with the method for crown retainer to the bearing assembling in Patent Document 1 described later.
According to this manufacture method, as retainer, use be the crown retainer that a end at axial direction is provided with the pocket hole opening portion that keeps rolling element.And, the ring-type assembling part (ball restriction anchor clamps) that configuration is supported a plurality of balls of packing between Internal and external cycle, then, from and the direction of position opposite of this ring-type assembling part of configuration crown retainer is inserted between the Internal and external cycle, thus rolling element is embedded in the pocket hole opening portion of crown retainer.
[Patent Document 1] spy opens 2002-333036 communique (with reference to [0007]～[0013] section, [0016] section and Fig. 1～Fig. 3, Fig. 6)
Wherein, if under the state that staggers in the position of pocket hole opening portion and rolling element, rolling element is embedded in the crown retainer, the opening end that then can cause pocket hole opening portion is in rolling element is rolled into pocket hole opening portion, or the part between the opening portion of pocket hole is chipping etc. in crown retainer, thereby can not carry out of the maintenance of crown retainer well, cause the problem of ball bearing decreased performance rolling element.
Manufacture method according to Patent Document 1, it is the insertion of under the state that utilizes the ring-type assembling part rolling element to be carried out keep, carrying out crown retainer, according to this method, insertion force when being inserted into crown retainer between the Internal and external cycle passes to the ring-type assembling part via rolling element, so the ring-type assembling part is easy to generate wearing and tearing.Therefore, need carry out the replacing of ring-type parts continually, thus more during Cost of repair and maintenance.
In addition, when being inserted into crown retainer between the Internal and external cycle, crown retainer might interfere with the ring-type assembling part and produce distortion.
Summary of the invention
The present invention makes in view of the above problems, and its purpose is to provide the retainer and can prevent the ball bearing producing apparatus and the ball bearing producing method of the loss of anchor clamps of can suitably packing into.
In order to solve above-mentioned problem, ball bearing producing apparatus of the present invention and ball bearing producing method adopt following proposal.
Promptly, ball bearing producing apparatus of the present invention, it is the ball bearing producing apparatus that is used for the manufacturing of ball bearing, described ball bearing constitutes in the following manner: maintain a plurality of balls between inner ring that disposes coaxially and outer ring, it can be moved along the circumferencial direction of aforementioned Internal and external cycle, and utilizing retainer to insert anchor clamps is inserted into the retainer of the ring-type side from the axial direction of aforementioned Internal and external cycle between the aforementioned Internal and external cycle, described retainer keeps this ball, make it be in uniformly-spaced configuration status, it is characterized in that, have ball restriction anchor clamps, described ball restriction anchor clamps are inserted between the aforementioned Internal and external cycle and limit aforementioned ball to the moving of the circumferencial direction of this Internal and external cycle from the opposite side of aforementioned axial direction, and allow aforementioned ball moving to the direction of insertion of aforementioned retainer.
According to the ball bearing producing apparatus of such formation, make the ball that is configured between the Internal and external cycle be restricted by ball restriction anchor clamps, so can prevent to misplace in the ball manufacturing process afterwards to the mobile of aforementioned circumferencial direction.
Thus, in the operation that for example retainer is inserted between the Internal and external cycle, can rightly with under the opposed state of ball retainer be inserted at the opening portion that makes retainer, so do not produce being involved in ground, carrying out the insertion of retainer rightly of opening end of retainer.
In addition, utilize moving of ball restriction anchor clamps restriction ball, keeping the configuration of ball thus and carrying out the conveying of Internal and external cycle,, making the required time of ball bearing thereby can shorten so can in other operations, carry out manufacturing process's (for example insertion of retainer) of back segment.
Here, ball restriction anchor clamps are the parts that allow ball to move to the direction of insertion of retainer, and the supporting on the aforementioned axis direction of ball is by by some at least the carrying out among the Internal and external cycle.Therefore, be applied to pressure on the ball by some at least the bearing in the Internal and external cycle when being inserted into retainer between the Internal and external cycle, and can not act on the ball restriction anchor clamps, so ball restriction anchor clamps are difficult for loss, the life-span of ball restriction anchor clamps is longer.
This ball bearing producing apparatus also can constitute, as aforementioned ball restriction anchor clamps, have first ball restriction anchor clamps, described first ball restriction anchor clamps are provided with a plurality of first supports that are inserted between the aforementioned Internal and external cycle and accept aforementioned ball with front end, aforementioned first support is being configured under the state that is provided with the gap each other on the same circumference, should be of a size of on the tangent direction of aforementioned circumference below the diameter of aforementioned ball by each first support, at aforementioned front end, be provided with at aforementioned first support and be inserted under the state between the aforementioned Internal and external cycle respectively a side and the outstanding teat of opposite side on the track at the aforementioned ball of correspondence, only under the aforementioned ball of correspondence is positioned at situation on some ends of orientation range, accept aforementioned ball by some in the aforementioned teat.
According to the ball bearing producing apparatus of such formation, be inserted between the Internal and external cycle by first support first ball restriction anchor clamps, promptly can utilize first support to carry out the location of ball.
Even first support is under the state that is inserted between the Internal and external cycle, also be in following state: perhaps not with the contact of corresponding ball, perhaps only accept ball and it is stopped in the orientation range, and allow ball to the other end one side shifting by a jut.
Therefore, when being inserted into retainer between the Internal and external cycle, ball or can be by first support pushing is even thereby perhaps be urged, first support also can stop ball by the surface of ball and break away from from first support, so can not apply pushing force to first support.
Like this, can not act on first support when inserting retainer and insert pressure, so first support is difficult for producing wearing and tearing, the life-span of first ball restriction anchor clamps is longer.
In addition, each first support is configured to be provided with each other the state in gap, and then each first support is being of a size of ball below the size on the aforementioned circumferencial direction on the aforementioned circumferencial direction, even so keeping the state that utilizes broach shape anchor clamps to carry out the uniformly-spaced configuration of ball, the comb teeth part that is about to broach shape anchor clamps is inserted into the state between each ball, also can first ball restriction anchor clamps be inserted between the Internal and external cycle by each comb teeth part being inserted in the gap between each first support.
Thus, can utilize first ball restriction anchor clamps to come from utilizing broach shape anchor clamps to carry out the uniformly-spaced state of configuration of ball, the configuration former state of ball is maintained this state, can reliably ball be remained under the state of uniformly-spaced configuration.
In addition, this ball bearing producing apparatus can also constitute, as aforementioned ball restriction anchor clamps, have second ball restriction anchor clamps, described second ball restriction anchor clamps are provided with a plurality of second supports that are inserted between the aforementioned Internal and external cycle and accept aforementioned ball, these second ball restriction anchor clamps have: remain on the base portion on the ball bearing producing apparatus main body, can be at the mover that is arranged on movably on the aforementioned direction of insertion on this base portion, to the force application mechanism of this mover to the aforementioned direction of insertion application of force, on aforementioned mover, aforementioned second support is to center in the state configuration that is provided with the gap each other on the same circumference of the axis parallel with aforementioned direction of insertion, aforementioned each second support, towards the side of adjacent aforementioned second support, one side respectively as the continuing surface parallel with aforementioned direction of insertion, at aforementioned each second support, front end on the aforementioned direction of insertion, be provided with the guide surface of when between aforementioned Internal and external cycle, inserting, aforementioned ball being guided between the aforementioned continuing surface of aforementioned second support, on aforementioned mover, be provided with when carrying out the insertion of aforementioned retainer the splenium that is pushed by aforementioned retainer mounting fixture pushing, along with aforementioned retainer mounting fixture is approaching to aforementioned Internal and external cycle, aforementioned mover is returned to aforementioned base portion one side pressure, aforementioned second support can not contact with aforementioned retainer, but and this retainer between aforementioned Internal and external cycle, withdraw from with staggering.
Ball bearing producing apparatus according to such formation, each second support is configured at the state that is provided with the gap each other, so can utilize first ball restriction anchor clamps to carry out under the state of location of ball, second ball restriction anchor clamps are inserted between the Internal and external cycle, make each second support be inserted in the gap between each first support.In addition, by like this second ball restriction anchor clamps being inserted between the Internal and external cycle, in the gap between each second support of second ball restriction anchor clamps, included ball respectively in the mode of a ball on each first support.Here, be respectively arranged with the guide surface that ball is guided between each second support, so when being inserted into second support between the Internal and external cycle, ball can be brought in the gap between each second support smoothly at the front end of each second support.
The ball of bringing into like this in the gap between each second support is accepted by the continuing surface of the second adjacent support, and carries out the accurate location on the orbital direction (circumferencial direction of Internal and external cycle).
On the other hand, the continuing surface of second support makes to become the parallel face of direction of insertion with second ball restriction anchor clamps, and so the track quadrature of this face and ball is ball mobile unrestricted to the retainer direction of insertion.
And then, on the mover of second ball restriction anchor clamps, be provided with when carrying out the insertion of retainer the splenium that is pushed by the pushing of retainer mounting fixture.Thus, when inserting retainer, along with the retainer mounting fixture is approaching to Internal and external cycle, the active force ground that mover overcomes force application mechanism is returned to base portion one side pressure, second support can not contact with retainer, but and this retainer withdraw from between the Internal and external cycle with staggering.
Like this, according to this ball bearing producing apparatus, before will retainer being installed, utilizing second support to carry out the location of ball, so can carry out the appropriate insertion of retainer more reliably.
In addition, as previously mentioned, second support does not limit ball to the moving of the direction of insertion of retainer, and can not contact with retainer.That is, can not act on second support when carrying out the insertion of retainer and insert pressure, so second support is difficult for producing wearing and tearing, the life-span of second ball restriction anchor clamps is longer.In addition, owing to retainer does not contact with second support, so can prevent the wearing and tearing of retainer.
Ball bearing producing method of the present invention is a kind of like this manufacture method of ball bearing, described ball bearing constitutes in the following manner: maintain a plurality of balls between inner ring that disposes coaxially and outer ring, it can be moved along the circumferencial direction of aforementioned Internal and external cycle, and utilizing retainer to insert anchor clamps is inserted into the side of retainer from the axial direction of aforementioned Internal and external cycle between the aforementioned Internal and external cycle, described retainer keeps this ball, make it be in uniformly-spaced configuration status, it is characterized in that, ball is limited anchor clamps to be inserted between the aforementioned Internal and external cycle from the opposite side on the aforementioned axial direction, under this state aforementioned retainer is being inserted between this Internal and external cycle, described ball restriction anchor clamps limit aforementioned ball and move and allow aforementioned ball moving to the direction of insertion of aforementioned retainer to the circumferencial direction of aforementioned Internal and external cycle.
According to this ball bearing producing method, limited ball the moving that is configured between the Internal and external cycle to aforementioned circumferencial direction, under the state of the dislocation that has prevented ball, carry out the insertion of retainer between Internal and external cycle, can under opening portion that makes retainer and the opposed rightly state of ball, insert retainer, can not produce being involved in ground, carrying out the insertion of retainer rightly of opening end of retainer.
Here, ball restriction anchor clamps are to allow the parts that move of ball to the direction of insertion of retainer, and the supporting of the aforementioned axis direction of ball is undertaken by in the Internal and external cycle at least one.Therefore, the pressure that acts on when being inserted into retainer between the Internal and external cycle on the ball is born by in the Internal and external cycle at least one, and can not act on the ball restriction anchor clamps, so ball restriction anchor clamps are difficult for producing loss, the life-span of ball restriction anchor clamps is longer.
In this ball bearing producing method, also can utilize described first ball restriction of claim 1 anchor clamps, the temporary transient location of the aforementioned ball after uniformly-spaced disposing, utilize described second ball restriction of claim 2 anchor clamps, carry out the formal location of aforementioned ball, utilizing aforementioned retainer to insert anchor clamps pushes back the aforementioned mover that aforementioned second ball limits anchor clamps to aforementioned base portion, make second support of aforementioned second ball restriction anchor clamps can not contact thus, but make aforementioned second support and the aforementioned retainer ground that staggers with aforementioned retainer, insert aforementioned retainer.
According to this ball bearing producing method, before will retainer being installed, carry out the location of ball, so can carry out the appropriate insertion of retainer more reliably by second support.
And as previously mentioned, first ball restriction anchor clamps and second ball restriction anchor clamps do not limit ball to the moving of the direction of insertion of retainer, and can not contact with retainer.That is, when inserting retainer, insert pressure and can not act on first ball restriction anchor clamps and second ball restriction anchor clamps, so be difficult for producing wearing and tearing, the life-span is longer.
In addition, owing to retainer does not contact with second support, so can prevent the damage of retainer.
According to ball bearing producing apparatus of the present invention and ball bearing producing method, can carry out the assembling of retainer rightly, and can prevent the loss of anchor clamps.
Description of drawings
Fig. 1 is the longitudinal section of the formation of the ball bearing of representing that ball bearing producing apparatus is according to an embodiment of the present invention made.
Fig. 2 is the figure of formation of the ball bearing producing apparatus of expression an embodiment of the present invention, and Fig. 2 (a) is a longitudinal section, and Fig. 2 (b) is a partial enlarged drawing.
Fig. 3 is the figure that first ball of the ball bearing producing apparatus of expression an embodiment of the present invention limits the formation of anchor clamps, and Fig. 3 (a) is a plan view, and Fig. 3 (b) is a side view.
Fig. 4 is the figure that second ball of the ball bearing producing apparatus of expression an embodiment of the present invention limits the formation of anchor clamps, and Fig. 4 (a) is a plan view, and Fig. 4 (b) is a side view.
Fig. 5 be expression utilize that the ball bearing producing apparatus of an embodiment of the present invention carries out the figure of ball bearing manufacture process, Fig. 5 (a) expression retainer inserts the initial stage of operation, Fig. 5 (b) expression retainer inserts the ending phase of operation.
Fig. 6 be expression utilize that the ball bearing producing apparatus of an embodiment of the present invention carries out the figure of ball bearing manufacture process, be the plan view of the positioning states of the expression ball that utilizes first, second ball restriction anchor clamps gained.
Fig. 7 be expression utilize that the ball bearing producing apparatus of an embodiment of the present invention carries out the figure of ball bearing manufacture process, Fig. 7 (a) expression retainer inserts the initial stage of operation, Fig. 7 (b) expression retainer inserts the ending phase of operation.
Embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.
At first, utilize the longitudinal section of Fig. 1, the formation of the ball bearing 1 of the ball bearing producing apparatus manufacturing that utilizes present embodiment is described.
Ball bearing 10 is done to become following formation: utilize retainer 16 roughly uniformly-spaced to maintain to configuration a plurality of balls 15 between inner ring 12 and outer ring 14, and then between inner ring 12 and outer ring 14, be filled with lubricating agent composition (not shown), under such state, the end of the axial direction of Internal and external cycle is sealed respectively by Sealing 17, wherein said inner ring 12 has inner race track face 11 on outer circumferential face, described outer ring 13 has outer race track face 13 on inner peripheral surface.In the present embodiment, ball bearing 10 makes to become external diameter the formation that is about 30mm～40mm and is incorporated with 8 balls 15.
The ball bearing producing apparatus of present embodiment is shown in the longitudinal section of Fig. 2 (a), flat supporting plate 21 with component parts of the aforementioned ball bearing 10 of mounting, on this supporting plate 21, use anchor clamps described later to assemble each component parts, make ball bearing 10 thus.
On the upper surface of supporting plate 21, be formed with that external diameter equates with outer ring 14 or than its first big a little circular depressions 22.
First circular depressions 22 be with outer ring 14 with axis towards the set within it parts of portion of the state of vertical direction roughly, the bottom surface 22a that utilization constitutes generally horizontal plane accepts the lower end of outer ring 14, utilize to constitute the inner peripheral surface 22b that axis is the barrel surface of vertical direction and accept the outer circumferential face of outer ring 14, thereby outer ring 14 is positioned and is fixed.
On supporting plate 21, with this first circular depressions 22 be formed with coaxially diameter 22 littler than first circular depressions, than the big through hole 23 of inner ring 12 diameters, pass this through hole 23, can utilize anchor clamps to come each component parts on the supporting plate 21 is operated from the downside of supporting plate 21.In addition, on the lower surface of supporting plate 21, be formed with second circular depressions 24 than through hole 23 big footpaths.
In through hole 23, from slotting first ball restriction anchor clamps 31 that are connected with of lower surface one side of supporting plate 21.
Shown in the plan view of first ball restriction anchor clamps 31 as Fig. 3 (a) and the side view of Fig. 3 (b), have: circular base portion 32, at a plurality of first supports 33 that under the state that is provided with the gap each other, roughly equally spaced dispose along the inner circumference edge of base portion 32.It is that the number of ball bearing 10 employed balls 15 is identical that the quantity of this first support 33 is designed to assembly object.
In the present embodiment, as previously mentioned, in ball bearing 10, be incorporated with 8 balls, so on first ball restriction anchor clamps 31, be provided with 8 first supports 33.
Each first support 33 is shown in Fig. 3 (b), be be arranged to the axis almost parallel of base portion 32 be projected into the columnar part of state of the one side side of base portion 32, as shown in Figure 2, lead in the through hole 23 of supporting plate 21 by inserting, to accept by inner ring 12 and outer ring 14 remaining in the ball 15 on the supporting plate 21 one with front end.
In addition, each first support 33 forms the cross section and be considered as that roughly circular arc is tabular, and it is being of a size of on tangent direction of inner circumference edge below the size of aforementioned ball 15 in aforementioned tangent direction shown in Fig. 3 (a).
The outer circumferential face of each first support 33 (towards the face of the radial outside of base portion 32) 33a makes to become curved surface respectively, constitutes the part of the same barrel surface identical with through hole 23 diameters.
First ball limits anchor clamps 31 as shown in Figure 2, and each first support 33 is embedded in the through hole 23 from lower surface one side of supporting plate 21, utilizes the inner peripheral surface of through hole 23 to accept the respectively outer circumferential face 33a of first support 33.Thus, the first ball bearing anchor clamps 31 are to locate with the coaxial mode of through hole 23 and to be fixed on the supporting plate 21.
Wherein, be provided with grooving C, utilize this grooving C to prevent the front end and the interference that is positioned in the outer ring 14 on the supporting plate 21 of outer circumferential face 33a in the outer circumferential face 33a of front end one side.
Wherein, the inner peripheral surface of each first support 33 (face towards the radial direction inboard of base portion 32) 33b also makes to become barrel surface, constitute the part of the diameter same cylinder inner surface bigger, prevented inner peripheral surface 33b and the interference that is positioned in the inner ring 12 on the supporting plate 21 thus than inner ring 12.
In addition, the side 33c towards adjacent first support, 33 1 sides of each first support 33 forms the plane with the parallel axes of base portion 32.
Shown in the enlarged view and Fig. 3 (b) of Fig. 2 (b), each first support 33 on front end outstanding above the base portion 32, the assortment direction of each first support 33 be on the circumferencial direction one distolateral and another distolateral on, be respectively equipped with teat 33d.These teats 33d be under each first support 33 is inserted into state between the Internal and external cycle that is positioned on the supporting plate 21, a side and the outstanding part of opposite side on the track W of the ball 15 of correspondence respectively, only under the ball 15 of correspondence is positioned at situation on some ends of orientation range, accept ball 15 by a teat 33d.
In the present embodiment, these teats 33d, towards the surface of paired teat 33d one side, form from front end and begin more to cardinal extremity one side more towards the plane of inclination (also comprising curved surface) of paired teat 33d one side, constitute, under the situation that undertakes ball 15, ball is guided in paired teat 33d one side.
In addition, the intermediate portion 33e between teat 33d in the front end has constituted and the non-contacting surplus of corresponding ball 15 portion.In the present embodiment, intermediate portion 33e forms the diameter concave curved surface bigger slightly than ball 15.
Second ball restriction anchor clamps 41 shown in the side view of the plan view of Fig. 4 (a) and Fig. 4 (b) are inserted on these first ball restriction anchor clamps 31 from below (base portion 32 1 sides).
Second ball restriction anchor clamps 41 are under first ball restriction anchor clamps 31 are inserted into state between the Internal and external cycle on the supporting plate 21, are inserted into the parts on first ball restriction anchor clamps 31.
Second ball restriction anchor clamps 41 have: remain on base portion 42 on the not shown ball bearing producing apparatus main body, can be arranged on mover 43 on this base portion 42 movably along vertical direction roughly, to this mover 43 to the force application mechanism 44 of the vertical top application of force roughly.
In the present embodiment, shown in Fig. 4 (b), base portion 42 offers the pilot hole 42a of the bottom of inserting mover 43 towards vertical top.In addition, the bottom 43a of mover 43 forms cylindrical shape.
The inner peripheral surface of pilot hole 42a forms the roughly vertical cylinder inner surface of axis, and the side of the bottom 43a of mover 43 is by the guiding of the inner peripheral surface of pilot hole 42a, only can move to vertical direction roughly.
Between the lower end of the bottom surface of pilot hole 42a and mover 43, be provided with helical spring as force application mechanism 44, mover 43 is retained as the state that lifts to vertical top from the bottom surface of pilot hole 42a by this helical spring active force.Here, be provided with the stopper (not shown) of the maximum height of restriction mover 43 in base portion 42, under uncharge state, mover 43 remains on the state that is raised to maximum height by force application mechanism 44 thus.
On the top of mover 43, be provided with flange 43c coaxially with bottom 43a.
Shown in Fig. 4 (a), on the periphery of this flange 43c,, on the same circumference of the axis of flange 43c, roughly equally spaced be provided with a plurality of second supports 46 with under the state that is provided with the gap each other.
The quantity of this second support 46 be set to first support 33 of being located at first ball restriction anchor clamps 31 between the quantity in gap identical.
Each second support 46 is shown in Fig. 4 (b), be with the axis almost parallel of flange 43c be projected into the columnar part that the state of upper surface one side of flange 43 is provided with, shown in Fig. 4 (a), the cross section is looked and is roughly circular arc plate shape, and second support 46 of adjacency is configured to the minimal interval that can hold ball 15 leaving each other.
Each second support 46, constitute the continuing surface 46a that forms vertical respectively towards the side of adjacent second support, 46 1 sides.
In the upper end of each second support 46, be provided with guide surface 46b, interleaving to Internal and external cycle between the fashionable continuing surface 46a that ball 15 is directed into second support 46.In the present embodiment, guide surface 46b forms from front end and begins more to terminal side more towards the plane of inclination of adjacent second support, 46-side.
Promptly, as Fig. 5 and shown in Figure 6, under second ball restriction anchor clamps 41 are inserted into state on first ball restriction anchor clamps 31, these second supports 46 are inserted into respectively in the gap between first support 33, thereby become following state: between second support 46 of adjacency, the ball 15 that first support 33 is accepted sandwiches and is bearing between the continuing surface 46a.
In addition, on the top of mover 43, be provided with when carrying out the insertion of retainer 16 and be pushed splenium 47 by retainer mounting fixture 51 pushings described later.
The bottom of chuck 52 forms the roughly vertical drum of axis, and retainer 16 remains under the roughly vertical state of axis by the lower end of chuck 52.
In addition, in the radial direction inboard of chuck 52, be provided with the diameter columned pushing portion 53 littler coaxially than the internal diameter of inner ring 12 with the bottom that forms drum of chuck 52.This pushing portion 53 is used under the state that first, second ball restriction anchor clamps 31,41 are inserted on the supporting plate 21, and the splenium 47 that is pushed with these second ball restriction anchor clamps 41 after chuck 52 is descended presses down.
Here, this pushing portion 53 and be pushed splenium 47 height setting separately and be, after chuck 52 is descended, thus pushing portion 53 and be pushed splenium 47 and contact and utilize pushing portion 53 to carry out second ball to limit pressing down of anchor clamps 41 contact more Zao moment in the moment on ball 15 than retainer 16.
Above-mentioned first ball restriction anchor clamps 31, second ball restriction anchor clamps 41 and retainer insert anchor clamps 51 and preferably are made of the material of intensity and high abrasion resistance.In addition, these anchor clamps are preferably formed by nonmagnetic material or the very weak material of magnetic, and the operation can not be magnetized to workpiece counteracts.Therefore, in the present embodiment, utilize stainless steel non magnetic or that magnetic is very weak to constitute these anchor clamps.
Below, the manufacturing process of the ball bearing 10 that the ball bearing producing apparatus that uses such formation is carried out describes.
At first, the uniformly-spaced arrangement step of ball bearing producing apparatus with worktable on, utilize uniformly-spaced that inking device uniformly-spaced is configured in ball 15 between the Internal and external cycle, be formed on 8 intermediates (uniformly-spaced arrangement step) that ball forms of configuration between inner ring 12 and the outer ring 14.These arranged spaced operations for example utilize not shown anchor clamps intermediate is remained on supporting plate 21 first circular depressions 22 above carry out under the state, intactly make its decline after uniformly-spaced disposing.Thus, after uniformly-spaced disposing, position deviation ground, intermediate that ball 15 can not take place are positioned on the supporting plate 21.
Wherein, as inking device uniformly-spaced, except adopting, can also adopt in intermediate the device that produces magnetic field and each ball 15 is magnetized, utilizes separately magnetic force that ball 15 is repelled each other uniformly-spaced to dispose each other etc., inking device uniformly-spaced arbitrarily by being inserted into broach shape anchor clamps between the Internal and external cycle and ball 15 being moved between each broach the device that uniformly-spaced disposes.
This intermediate be positioned in first circular depressions 22 of supporting plate 21 that first ball restriction anchor clamps 31 are installed in thereafter.At this moment, intermediate is positioned on the supporting plate 21 with the opposed mode in upper end of first support 33 that is installed in first ball restriction anchor clamps 31 on the supporting plate 21 respectively with each ball 15.
Under this state, the outer ring 14 that constitutes intermediate as shown in Figure 1, bottom surface 22a and inner peripheral surface 22b by first circular depressions 22 become the vertical state of axis and obtain location and fixing coaxially with first circular depressions 22.
In addition, the front end of first support 33 of first ball restriction anchor clamps 31 is inserted between the Internal and external cycle of intermediate, on the front end opposed locations of each first support 33, respectively disposes a ball 15, and ball 15 is temporarily by each first support, 33 location.
Below, the operation of the temporary transient location that utilizes the ball 15 that each first support 33 carries out is elaborated.
As mentioned above, under the state that intermediate is positioned on the supporting plate 21, shown in Fig. 2 (b), a side and the opposite side on the track W (shown in the dotted line among Fig. 2 (b)) of the ball 15 of correspondence is outstanding respectively to be arranged on a pair of teat 33d of front end of each first support 33.Therefore, in the scope of ball 15 between teat 33d, 33d corresponding, remain not and teat 33d state of contact with this first support 33, perhaps only with some teat 33d state of contact.
Like this, ball 15 is positioned under the state of uniformly-spaced configuration, can prevents to misplace in ball 15 operation afterwards by utilizing first ball restriction anchor clamps 31.
Prevented the dislocation of the ball 15 of intermediate like this, thus in the operation after the arrangement step uniformly-spaced, supporting plate 21 can be transported on other worktable, with worktable that uniformly-spaced arrangement step is different with worktable on carry out later operation.Thus, the uniformly-spaced distribution operation of ball bearing producing apparatus with worktable on, needn't wait later operation to finish to set gradually the new supporting plate 21 uniformly-spaced configuration of ball 15 of interline body of going forward side by side, make the required time of ball bearing 10 so can shorten.
In addition, as previously mentioned, each first support 33 is configured at the state that is provided with the gap each other, and then each first support 33 is of a size of below ball 15 size in a circumferential direction in a circumferential direction.Therefore, even the comb teeth part that keeping the state that utilizes broach shape anchor clamps to carry out the uniformly-spaced configuration of ball 15, is about to broach shape anchor clamps is inserted into the state between each ball 15, also can be by each comb teeth part being inserted in the gap between each first support 33, intermediate is positioned on the supporting plate 21, and first ball restriction anchor clamps 31 are inserted between the Internal and external cycle.
Thus, can utilize first ball restriction anchor clamps 31 to carry out the uniformly-spaced state of configuration of ball 15, the configuration former state of ball 15 is maintained this state, can reliably ball be remained under the state of uniformly-spaced configuration from utilizing broach shape anchor clamps.
Like this, utilize first ball restriction anchor clamps 31 with ball 15 location of intermediate and remain on uniformly-spaced configuration status down after, the lower face side of second ball restriction anchor clamps 41 from supporting plate 21 is inserted on first ball restriction anchor clamps 31, and second support 46 that utilizes second ball to limit anchor clamps 41 carries out the formal location of ball 15.
Below, the formal positioning process that utilizes the ball 15 that each second support 46 carries out is elaborated.
As mentioned above, under the state that second ball restriction anchor clamps 41 is inserted on first ball restriction anchor clamps 31, shown in Fig. 6 and Fig. 7 (a), second support 46 of second ball restriction anchor clamps 41 is inserted in the respectively gap between first support 33 of first ball restriction anchor clamps 31.
Under this state, the mover 43 of second ball restriction anchor clamps 41 does not bear other external force along axial direction except the active force of gravity and force application mechanism 44, so moving member 43 is raised to maximum height, the front end of second support 46 is inserted between the Internal and external cycle always.
Like this, be inserted into second ball restriction anchor clamps 41 between the Internal and external cycle after, in the gap between each second support 46 of second ball restriction anchor clamps 41, included ball 15 respectively in the mode of a ball 15 on each first support 33.
Here, front end at each second support 46 is respectively arranged with the guide surface 46b that ball 15 is guided between each second support 46, so when being inserted into second support 46 between the Internal and external cycle, ball can be brought in the gap between each second support 46 smoothly.
Like this, the ball of bringing in the gap between each second support 46 15 is accepted by the continuing surface 46a of the second adjacent support 46, so can carry out the accurate location on the orbital direction (circumferencial direction of Internal and external cycle).
Carried out like this after the formal location of ball 15, utilized retainer to insert anchor clamps 51 and retainer 16 is inserted between the Internal and external cycle of intermediate, carried out the installation of ball 15 in the 16a of the pocket hole of retainer 16.
Below, utilize Fig. 5 and Fig. 7, the insertion operation of utilizing retainer to insert the retainer 16 that anchor clamps 51 carry out is elaborated.Wherein, in Fig. 5,, omitted the diagram of first ball restriction anchor clamps 31 in order to make the action easy to understand of second ball restriction anchor clamps 41.
Shown in Fig. 5 (a), insert at retainer on the chuck 52 of anchor clamps 51, with the opening portion 16b of pocket hole 16a respectively with supporting plate 21 on the opposed mode in position location of ball 15 of intermediate maintain retainer 16.
By utilizing drive unit that chuck 52 is descended, shown in Fig. 5 (b) and Fig. 7 (b), the retainer 16 that remains on the lower end of chuck 52 is inserted in the Internal and external cycle of intermediate.Thus, ball is pressed into each pocket hole 16a from opening portion 16b, thereby utilizes each pocket hole 16a to carry out the maintenance of ball 15.
As shown in Figure 7, first support 33 of first ball restriction anchor clamps 31 that ball 15 is positioned as previously mentioned, not with 15 contacts of corresponding ball or only accept ball 15 and it is stopped in the orientation range, and allow it to another jut 33d one side shifting by a jut 33d.
Therefore, when being inserted into retainer 16 between the Internal and external cycle, ball 15 or can be by the pushing of first support 33, even perhaps be urged, thereby first support 33 also can stop ball 15 by the surface of ball 15 and break away from from first support 33, so can not apply pushing force to first support 33.
Like this, when inserting retainer, can on first support 33, not act on and insert pressure, so be difficult for producing wearing and tearing.
In addition, the direction of insertion that the continuing surface 46a of second support 46 forms with second ball restriction anchor clamps 41 is the parallel face of direction of insertion of retainer 16, the track quadrature of this continuing surface 46a and ball 15 is not so can limit ball 15 moving to the retainer direction of insertion.
Therefore, when inserting retainer, on the continuing surface 46a of second support 46, can not act on insertion pressure yet, thereby be difficult for producing wearing and tearing.
And then on the mover 43 of second ball restriction anchor clamps 41, what be provided with pushing portion 53 pushings that are held device mounting fixture 51 when carrying out the insertion of retainer 16 is pushed splenium 47.
Thus, when inserting retainer 16, as Fig. 5 and shown in Figure 7, along with retainer mounting fixture 51 moves closer to Internal and external cycle, mover 43 overcomes the active force of force application mechanism 44 and is pressed towards base portion 42 1 sides.
Pushing portion 53 and be pushed splenium 47 height setting separately and be, after chuck 52 is descended, thus pushing portion 53 and be pushed splenium 47 and contact and utilize pushing portion 53 to carry out second ball to limit pressing down of anchor clamps 41 contact more Zao moment in the moment on ball 15 than retainer 16.
Thus, second support 46 can not contact with retainer 16, but and retainer 16 withdraw from between the Internal and external cycle with staggering.
Like this, according to this ball bearing producing apparatus, before retainer 16 will be installed, utilizing second support 46 to carry out the location of ball 15, so can carry out the appropriate insertion of retainer 16 more reliably.
And then as previously mentioned, second support 46 does not limit ball 15 to the moving of the direction of insertion of retainer 16, and can not contact with retainer 16.That is, when carrying out the insertion of retainer, can on second support 46, not act on and insert pressure, so second support 46 is difficult for producing wearing and tearing.In addition, owing to retainer 16 does not contact with second support 46, so can prevent the wearing and tearing of retainer 16.
Like this, ball bearing producing apparatus according to present embodiment, utilize the ball 15 of the intermediate of 31,41 pairs of ball bearings 10 of first, second ball restriction anchor clamps reliably to locate, so between the Internal and external cycle of intermediate, inserting in the operation of retainer 16, can the opening portion 16b of the pocket hole 16a that makes retainer 16 respectively with the opposed rightly state of corresponding ball 15 under, insert retainer 16.
In addition, when being inserted into retainer 16 between the Internal and external cycle, second ball restriction anchor clamps 41 and the retainer 16 that are inserted between the ball 15 withdraw from between the Internal and external cycle with staggering, so can not contact with retainer 16.
Like this, according to this ball bearing producing apparatus, situation such as the be involved in ground of the opening portion 16b of retainer 16 can not take place, carry out the insertion of retainer 16 between Internal and external cycle rightly, thereby can make the ball bearing 10 that can bring into play original performance fully.
And then according to the ball bearing producing apparatus of present embodiment, first, second ball restriction anchor clamps 31,41 are difficult for producing wearing and tearing, and the life-span of these parts is elongated, thus significantly reduced the frequency of maintenance, thus can reduce the time and the expense of maintenance.
In the present embodiment,, show and use helical spring example, but be not limited to this, for example can adopt force application mechanism arbitrarily such as the actuator that utilized hydrodynamic pressure as the force application mechanism 44 of second ball restriction anchor clamps 41.
In addition, in the present embodiment, ball bearing producing apparatus constitutes and uses first ball restriction anchor clamps 31 and second ball restriction anchor clamps 41 the two is used as the location that ball restriction anchor clamps carry out ball 15, but be not limited to this, ball bearing producing apparatus of the present invention also can constitute some location of carrying out ball 15 of only using in first ball restriction anchor clamps 31 and second ball restriction anchor clamps 41.
Claims (5)
1. ball bearing producing apparatus, be used for the manufacturing of ball bearing, described ball bearing constitutes in the following manner: maintain a plurality of balls between inner ring that disposes coaxially and outer ring, it can be moved along the circumferencial direction of aforementioned Internal and external cycle, and utilizing retainer to insert anchor clamps is inserted into the retainer of the ring-type side from the axial direction of aforementioned Internal and external cycle between the aforementioned Internal and external cycle, described retainer keeps this ball, make it be in uniformly-spaced configuration status, it is characterized in that
Have ball restriction anchor clamps, described ball restriction anchor clamps are inserted between the aforementioned Internal and external cycle and limit aforementioned ball to the moving of the circumferencial direction of this Internal and external cycle from the opposite side of aforementioned axial direction, and allow aforementioned ball moving to the direction of insertion of aforementioned retainer.
2. ball bearing producing apparatus as claimed in claim 1, it is characterized in that, having first ball restriction anchor clamps as aforementioned ball restriction anchor clamps, described first ball restriction anchor clamps are provided with a plurality of first supports that are inserted between the aforementioned Internal and external cycle and accept aforementioned ball with front end
Aforementioned first support is being configured under the state that is provided with the gap each other on the same circumference,
Should be of a size of on the tangent direction of aforementioned circumference below the diameter of aforementioned ball by each first support,
At aforementioned front end, be provided with at aforementioned first support and be inserted under the state between the aforementioned Internal and external cycle respectively a side and the outstanding teat of opposite side on the track at the aforementioned ball of correspondence, only under the aforementioned ball of correspondence is positioned at situation on some ends of orientation range, accept aforementioned ball by some in the aforementioned teat.
3. ball bearing producing apparatus as claimed in claim 2 is characterized in that,
As aforementioned ball restriction anchor clamps, have second ball restriction anchor clamps, described second ball restriction anchor clamps are provided with a plurality of second supports that are inserted between the aforementioned Internal and external cycle and accept aforementioned ball,
This second ball restriction anchor clamps have: remain on base portion on the ball bearing producing apparatus main body, can be arranged on mover on this base portion on the aforementioned direction of insertion movably, to the force application mechanism of this mover to the aforementioned direction of insertion application of force,
On aforementioned mover, aforementioned second support with in the state configuration that is provided with the gap each other on the same circumference of the axis parallel with aforementioned direction of insertion,
Aforementioned each second support, towards the side of adjacent aforementioned second support, one side respectively as the continuing surface parallel with aforementioned direction of insertion,
At front end aforementioned each second support, on the aforementioned direction of insertion, be provided with the guide surface of when between aforementioned Internal and external cycle, inserting, aforementioned ball being guided between the aforementioned continuing surface of aforementioned second support,
On aforementioned mover, be provided with when carrying out the insertion of aforementioned retainer the splenium that is pushed by aforementioned retainer mounting fixture pushing, along with aforementioned retainer mounting fixture is approaching to aforementioned Internal and external cycle, aforementioned mover is returned to aforementioned base portion one side pressure, aforementioned second support can not contact with aforementioned retainer, but and this retainer between aforementioned Internal and external cycle, withdraw from with staggering.
4. ball bearing producing method, it is the manufacture method of ball bearing, described ball bearing constitutes in the following manner: maintain a plurality of balls between inner ring that disposes coaxially and outer ring, it can be moved along the circumferencial direction of aforementioned Internal and external cycle, and utilizing retainer to insert anchor clamps is inserted into the retainer of the ring-type side from the axial direction of aforementioned Internal and external cycle between the aforementioned Internal and external cycle, described retainer keeps this ball, make it be in uniformly-spaced configuration status, it is characterized in that
Ball is limited anchor clamps to be inserted between the aforementioned Internal and external cycle from the opposite side on the aforementioned axial direction, under this state aforementioned retainer is being inserted between this Internal and external cycle, described ball restriction anchor clamps limit aforementioned ball and move and allow aforementioned ball moving to the direction of insertion of aforementioned retainer to the circumferencial direction of aforementioned Internal and external cycle.
5. ball bearing producing method as claimed in claim 4 is characterized in that,
Utilize described first ball restriction of claim 2 anchor clamps, the temporary transient location of the aforementioned ball after uniformly-spaced disposing,
Utilize described second ball restriction of claim 3 anchor clamps, carry out the formal location of aforementioned ball,
Utilizing aforementioned retainer to insert anchor clamps pushes back the aforementioned mover that aforementioned second ball limits anchor clamps to aforementioned base portion, make second support of aforementioned second ball restriction anchor clamps can contact thus with aforementioned retainer, but make aforementioned second support and aforementioned retainer stagger, with aforementioned retainer insertion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004088942A JP4398291B2 (en) | 2004-03-25 | 2004-03-25 | Ball bearing manufacturing apparatus and ball bearing manufacturing method |
| JP88942/2004 | 2004-03-25 | ||
| JP88942/04 | 2004-03-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1673561A CN1673561A (en) | 2005-09-28 |
| CN100510447C true CN100510447C (en) | 2009-07-08 |
Family
ID=35046283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100627485A Active CN100510447C (en) | 2004-03-25 | 2005-03-25 | Ball bearing producing apparatus and ball bearing producing method |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4398291B2 (en) |
| CN (1) | CN100510447C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705380B (en) * | 2012-01-19 | 2014-03-12 | 洛阳轴研科技股份有限公司 | Simple assembly method for miniature ball bearings |
| CN102734336B (en) * | 2012-06-15 | 2014-12-10 | 无锡市海鸿精工机械制造有限公司 | Assembly tooling device for miniature bearing crown-type retainer |
| JP6304795B2 (en) * | 2012-10-15 | 2018-04-04 | セイコーインスツル株式会社 | Manufacturing method of bearing device |
| CN104074874A (en) * | 2014-06-26 | 2014-10-01 | 维在德自动化科技（昆山）有限公司 | Fully-automatic high-speed bearing assembling machine |
| CN106351969A (en) * | 2016-08-29 | 2017-01-25 | 洛阳轴研科技股份有限公司 | Tool and method for assembling ball bearing retainers |
| CN106523537B (en) * | 2016-08-29 | 2019-03-22 | 浙江八环轴承股份有限公司 | A kind of plastics holder of bearing press mounting die |
| CN109027021B (en) * | 2018-09-30 | 2023-11-14 | 安徽工程大学 | Bead filling device for automatic assembly of bearing and application method thereof |
| CN111692216A (en) * | 2020-06-28 | 2020-09-22 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Support device for preventing roller path from being scratched |
-
2004
- 2004-03-25 JP JP2004088942A patent/JP4398291B2/en not_active Expired - Fee Related
-
2005
- 2005-03-25 CN CNB2005100627485A patent/CN100510447C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN1673561A (en) | 2005-09-28 |
| JP4398291B2 (en) | 2010-01-13 |
| JP2005273794A (en) | 2005-10-06 |
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