CN108581840A - A kind of swing aligning structure for arc track feeding - Google Patents
A kind of swing aligning structure for arc track feeding Download PDFInfo
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- CN108581840A CN108581840A CN201810629137.1A CN201810629137A CN108581840A CN 108581840 A CN108581840 A CN 108581840A CN 201810629137 A CN201810629137 A CN 201810629137A CN 108581840 A CN108581840 A CN 108581840A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a kind of swing aligning structures for arc track feeding, including fan-shaped swing revolving platform and cross aligning slide unit.It includes pedestal, fan-shaped oscillating deck, radial rolling support component, outer axial rolling support component, interior axial rolling support component and roll bearing swing revolution driving component that sector, which swings revolving platform,.Sector swings revolving platform and is mounted on grinder bed or planker, and cross aligning slide unit is mounted on sector and swings on revolving platform, and workhead or grinding carriage are equipped on cross aligning slide unit.Being equipped with the ball bearing race groove grinder that the present invention swings aligning structure, there is workpiece to shape circular arc curvature center reciprocally swinging around it to realize the ability of arc track feeding around its raceway groove circular arc curvature center or grinding wheel, profile error carries out circular arc constraint tramsfer between grinding wheel and workpiece in grinding process, can effectively ensure that the profile precision of ball bearing race raceway groove circular arc.
Description
Technical field
The present invention relates to a kind of swing aligning structures for the feeding of ball bearing race raceway groove plunge grinding arc track, belong to
In rolling bearing lasso precision processing technology field.
Background technology
Ball bearing plays vital effect as a kind of important base parts and components in mechanized equipment.Equipment
The indices such as operating accuracy, performance, service life, the reliability of all kinds of hosts in the fields such as manufacture, aerospace, military project, all with ball
Bearing performance has close relationship.
The geometrical property of geometric accuracy (dimensional accuracy, profile precision and the positional precision) and channel surface of ring raceways
(surface roughness and surface waviness etc.) directly affects rotating accuracy, vibration and the noise of ball bearing.Ball bearing race at present
The finishing process of raceway groove is mainly superfinishing.Since process system rigidity is weaker, superfinishing adds with other finishings
Work technique is equally insensitive to the accuracy of form and position, be mainly manifested in the ability of process raceway groove profile error and site error before correcting compared with
It is weak.
Ball bearing race raceway groove plunge-cutting has good process system rigidity, can obtain higher position essence
Degree.But because profile error between grinding wheel and workpiece without constraint tramsfer, it is difficult to ensure the profile precision of raceway groove.
Because the profile of ring raceways is by the strong constraint of workpiece swing rotary motion, the grinding of ball bearing race raceway groove swing type
With very high ring raceways profile precision.Ball bearing race raceway groove swing type mill may be implemented in the yaw groove grinder of early stage
It cuts, but it swings 360 ° of revolving platform axial supports and is mismatched with smaller swing angle, causes grinding carriage to overhang excessive, influences
Process system rigidity.
Invention content
In view of the problems of the existing technology, the present invention provides a kind of swing aligning structure for arc track feeding,
Being equipped with the ball bearing race groove grinder that the present invention swings aligning structure has workpiece around its raceway groove circular arc curvature center or sand
It takes turns and shapes circular arc curvature center reciprocally swinging around it to realize the ability of arc track feeding, profile error is in sand in grinding process
Circular arc constraint tramsfer is carried out between wheel and workpiece, can effectively ensure that the profile precision of ball bearing race raceway groove circular arc.
In order to overcome prior art problem, the present invention to provide a kind of swing aligning structure for arc track feeding, packet
Include fan-shaped swing revolving platform and cross aligning slide unit；The fan-shaped revolving platform that swings includes pedestal, by outer axial rolling support group
The axial rolling support component that part and interior axial rolling support component are constituted, fan-shaped oscillating deck, radial rolling support component and axis
It holds and swings revolution driving component；The floor installation is on grinder bed or planker；The outer axial rolling support component includes
The outer closed loop boss on surface on the base is set and the outer closed-loop trench in the fan-shaped oscillating deck lower surface is set, it is described
There is one group of ball between outer closed loop boss and outer closed-loop trench；The interior axial rolling support component includes being arranged described
The interior closed loop boss of base upper surface and the interior closed-loop trench in the fan-shaped oscillating deck lower surface, the interior closed loop boss are set
One group of ball is equipped between interior closed-loop trench；The output shaft of the roll bearing swing revolution driving component passes through described radial rolling
Support component is connected with the fan-shaped oscillating deck, for driving the fan-shaped oscillating deck around the fan-shaped revolution for swinging revolving platform
Axes O1O2Make swing rotary motion；The cross aligning slide unit includes lower slide unit and upper slide unit, the pedestal of the lower slide unit and institute
It states fan-shaped oscillating deck to fix, the upper slide unit is fixed with workhead or grinding carriage；Adjust the upper cunning of the cross aligning slide unit
The position of platform and lower slide unit makes on raceway groove arc center of curvature O or grinding carriage in the workpiece trunnion axis cross section on workhead
Forming circular arc curvature center in grinding wheel trunnion axis cross section and the fan-shaped axis of rotation O for swinging revolving platform1O2It overlaps；It is described
Roll bearing swing revolution driving component drives the fan-shaped oscillating deck and cross aligning slide unit thereon and workhead or grinding carriage
Around the fan-shaped axis of rotation O for swinging revolving platform1O2Make swing rotary motion, realizes raceway groove arc track or sand along workpiece
Wheel forming arc track feeding；The outer axial rolling support component and interior axial rolling support component are to the fan-shaped oscillating deck
Axial rolling supporting role is played jointly with the cross aligning slide unit.
Further, a kind of swing aligning structure for arc track feeding of the present invention, wherein the outer closed-loop trench
Section be a scanning plane, the scan path of the scanning plane is one by the first outer circle segmental arc, the first inner circle segmental arc and both sides
First end changeover portion two-by-two in the closed curve of endpoint sequentially tangent formation, the first outer circle segmental arc and the second Inner arc
The center of circle of section is in the fan-shaped axis of rotation O for swinging revolving platform1O2On；The scanning profile of the scanning plane is to radius of curvature
The interrupted circular arc of continuous circular arc or V-type line that the circle equal with the outer axial ball of rolling support component is felt relieved
Section；The upper surface of the pedestal is equipped with outer closed loop boss, and the outer closed loop boss includes the first external arc boss, the first Inner arc
The first end boss of boss and both sides, the first external arc boss are higher than the first Inner arc boss and two in height
The first end boss of side, and it is convex to the first end in the intersection of the first external arc boss and first end boss
Platform seamlessly transits.
When the ball of the outer axial rolling support component is located on the first external arc boss, the centre of sphere of the ball
On the center line of the outer closed-loop trench, at this point, the ball is in axial rolling holding state；The ball is located at described
When on the first Inner arc boss and the first end boss of both sides, the centre of sphere of the ball is less than the outer closed loop ditch in height
The center line of slot, at this point, the ball is in recurrent state to ensure the continuity of axial rolling support.
The section of the interior closed-loop trench is a scanning plane, and the scan path of the scanning plane is one by the second external arc
Section, the second inner circle segmental arc and both sides the second end changeover portion two-by-two in the closed curve of endpoint sequentially tangent formation, described the
The center of circle of two outer circle segmental arcs and the second inner circle segmental arc is in the fan-shaped axis of rotation O for swinging revolving platform1O2On.The scanning plane
Scanning profile be continuous circle that the circle equal with the interior axial ball of rolling support component to radius of curvature is felt relieved
The interrupted circular arc of arc or V-type broken line；The upper surface of the pedestal is equipped with interior closed loop boss, and the interior closed loop boss includes
The second end boss of second external arc boss, the second Inner arc boss and both sides, the second Inner arc boss is in height
It is higher than the second external arc boss and the second end boss of both sides and convex in the second Inner arc boss and the second end
The intersection of platform is seamlessly transitted to the second end boss.
When the ball of the interior axial rolling support component is located on the second Inner arc boss, the centre of sphere of the ball
In described second on the center line of closed-loop trench, at this point, the ball is in axial rolling holding state；The ball is located at
When on the second external arc boss and the second end boss of both sides, the centre of sphere of the ball is less than described second in height
The center line of interior closed-loop trench, at this point, the ball is in recurrent state to ensure the continuity of axial rolling support.
Compared with prior art, the beneficial effects of the invention are as follows：
Being equipped with the ball bearing race groove grinder that the present invention swings aligning structure, there is workpiece to bypass its trunnion axis cross section
Interior raceway groove circular arc curvature center and the axis perpendicular to the trunnion axis cross section or grinding wheel around in its trunnion axis cross section at
Shape circular arc curvature center and perpendicular to the axis reciprocally swinging of the trunnion axis cross section with realize arc track feeding ability, mill
Profile error carries out circular arc constraint tramsfer between grinding wheel and workpiece during cutting, and can effectively ensure that ball bearing race raceway groove circular arc
Profile precision.
Description of the drawings
Fig. 1 is a kind of decomposition diagram of swing aligning structure for arc track feeding of the present invention；
Fig. 2 is radial rolling support component structural schematic diagram shown in Fig. 1；
Fig. 3 is axial rolling support modular construction decomposition diagram in the present invention；
Fig. 4-1 is closed-loop trench structural schematic diagram on fan-shaped oscillating deck in the present invention；
Fig. 4-2 is the sectional view of A-A cross-section structures one in Fig. 4-1；
Fig. 4-3 is the sectional view of A-A cross-section structures two in Fig. 4-1；
Fig. 4-4 is the sectional view of A-A cross-section structures three in Fig. 4-1；
Fig. 5 is closed loop boss structure schematic diagram in axial rolling support component in the present invention；
Fig. 6 is that ball contacts path schematic diagram with closed loop boss in axial rolling support component in the present invention；
Fig. 7 is axial rolling support assemble cross-section in the present invention；
Fig. 8 is the head frame structural schematic diagram with a kind of swing aligning structure for arc track feeding of the present invention；
Fig. 9 is deviation post schematic diagram before a kind of swing aligning structure aligning for arc track feeding of the present invention；
Figure 10 is overlapping positions schematic diagram after a kind of swing aligning structure aligning for arc track feeding of the present invention.
In figure：
1- sectors swing revolving platform；
11- roll bearing swing revolution driving components, 111- output shafts；
12- pedestals；
Axial rolling support component in 13-, closed-loop trench in 131-, 132- balls, closed loop boss in 133-, 1331- the
Two external arc boss, 1332- the second Inner arc boss, 1333- the second end boss, closed loop boss contacts path in 134-,
1341- external arcs contact path, the ends 1342- transition contact datapath section, and 1343- Inner arcs contact path；
Axial rolling support component outside 14-, the outer closed-loop trench of 141-, 142- balls, the outer closed loop boss of 143-, 1431- the
One external arc boss, 1432- the first Inner arc boss, 1433- first end boss, the outer closed loop boss of 144- contact path,
1441- external arcs contact path, the ends 1442- transition contact datapath section, and 1443- Inner arcs contact path；
15- sector oscillating decks, the outer closed-loop trench scan paths of 151-, 1511- the first outer circle segmental arcs, the first inner circles of 1512-
Segmental arc, 1513- first end changeover portions, closed-loop trench scan path in 152-, 1521- the second outer circle segmental arcs, in 1522- second
Arc section, 1523- the second end changeover portions；
The radial rolling support components of 16-, 161- deep groove ball bearings, 162- axle sleeves, 1621- axle sleeve inner cylinder faces, 163- pendulum
Moving axis；
2- cross aligning slide units, 21- lower slide units, the pedestal of 211- lower slide units, 22- upper slide units；
3- plankers；
4- workheads；
5- workpiece；
O- raceway groove circular arc curvatures center, O1O2Sector swings the axis of rotation of revolving platform, O3O4Workpiece cylindrical surface axis
Line.
Specific implementation mode
Technical solution of the present invention is described in further detail in the following with reference to the drawings and specific embodiments, it is described specific
Embodiment is only explained the present invention, is not intended to limit the invention.
A kind of swing aligning structure for arc track feeding proposed by the present invention, as shown in Figure 1, being swung including fan-shaped
Revolving platform 1 and cross aligning slide unit 2.
As shown in Figure 1, the fan-shaped revolving platform 1 that swings includes pedestal 12, by outer axial rolling support component 14 and inner shaft
The axial rolling support component constituted to rolling support component 13, fan-shaped oscillating deck 15, radial rolling support component 16 and bearing
Swing revolution driving component 11.
As shown in Fig. 2, the pedestal 12 be mounted on planker 3 (or grinder bed) on, with the pedestal 12 be connected described in
Swing swinging axle 163 and the sector of the output shaft 111 of revolution driving component 11 by the radial rolling support component 16
Oscillating deck 15 is connected, for driving the fan-shaped oscillating deck 15 around the fan-shaped axis of rotation O for swinging revolving platform 11O2It swings
Rotary motion.The radial rolling support component 16 includes the axle sleeve 162 being connected with the pedestal 12 and the fan-shaped oscillating deck
15 connected swinging axles 163 and a pair of of deep groove ball bearing 161, the axes O of the inner cylinder face 1621 of the axle sleeve 1621O2It is described
Sector swings the swing axis of rotation of revolving platform 1.
As shown in figure 3, the outer axial rolling support component 14 includes the outer closed loop being arranged in 12 upper surface of the pedestal
Boss 143, be arranged fan-shaped 15 lower surface of oscillating deck outer closed-loop trench 141 and be placed in the outer closed loop boss 143 with
One group of ball 142 between outer closed-loop trench 141.The interior axial rolling support component 13 includes being arranged on the pedestal 12
The interior closed loop boss 133 on surface, the interior closed-loop trench 131 and being placed in described being arranged in fan-shaped 15 lower surface of oscillating deck are closed
One group of ball 132 between ring convex platform 133 and interior closed-loop trench 131.
As shown in Fig. 4-1, the section of the outer closed-loop trench 141 is a scanning plane, the scan path 151 of the scanning plane
It is a first end changeover portion 1513 by the first outer circle segmental arc 1511, the first inner circle segmental arc 1512 and both sides two-by-two in endpoint
The center of circle of the sequentially closed curve of tangent formation, the first outer circle segmental arc 1511 and the second inner circle segmental arc 1512 is in the sector
Swing the axis of rotation O of revolving platform 11O2On；The scanning profile of the scanning plane is to radius of curvature and the outer axial rolling branch
The V-type line segment that the equal circle of the ball 142 of support component 14 is felt relieved, as shown in Fig. 4-4, (or as shown in the Fig. 4-2 continuous
Circular arc or the interrupted circular arc as shown in Fig. 4-3), the deferent for defining the circle is the center line of outer closed-loop trench 141.
As shown in figure 5, the upper surface of the pedestal 12 is equipped with outer closed loop boss 143, the outer closed loop boss 143 includes the
The first end boss 1433 of one external arc boss 1431, the first Inner arc boss 1432 and both sides, first external arc are convex
Platform 1431 is higher than the first end boss 1433 of the first Inner arc boss 1432 and both sides in height, and described first
External arc boss 1431 and the intersection of first end boss 1433 are seamlessly transitted to the first end boss 1433.
As shown in fig. 6, having one group of ball 142 between the outer closed loop boss 143 and outer closed-loop trench 141；It is described
When the ball 142 of outer axial direction rolling support component 14 is located on the outer closed loop boss 143, ball 142 and the outer closed loop are convex
The contact path 144 of platform 143 contacts path 1441 by the external arc on the external arc boss 1431, is located at the inner circle
Inner arc contact path 1443 on arc boss 1432 and the connection external arc on the both side ends boss 1433
It contacts path 1441 and the both side ends transition contact datapath section 1442 in Inner arc contact path 1443 forms.
As shown in fig. 7, the ball 142 of the outer axial rolling support component 14 is located at the first external arc boss 1431
When upper, the centre of sphere of the ball 142 is on the center line of the outer closed-loop trench 141, at this point, the ball 142 is in axial
Rolling support state；The ball 142 is located on the first Inner arc boss 1432 and the first end boss 1433 of both sides
When, the centre of sphere of the ball 142 is less than the center line of the outer closed-loop trench 141 in height, at this point, at the ball 142
In recurrent state to ensure the continuity of axial rolling support.
As shown in Fig. 4-1, the section of the interior closed-loop trench 131 is a scanning plane, the scan path 152 of the scanning plane
It is a second end changeover portion 1523 by the second outer circle segmental arc 1521, the second inner circle segmental arc 1522 and both sides two-by-two in endpoint
The center of circle of the sequentially closed curve of tangent formation, the second outer circle segmental arc 1521 and the second inner circle segmental arc 1522 is in the sector
Swing the axis of rotation O of revolving platform 11O2On.The scanning profile of the scanning plane is to radius of curvature and the interior axial rolling branch
The V-type broken line that the equal circle of the ball 132 of support component 13 is felt relieved, as shown in Fig. 4-4 (or company as shown in the Fig. 4-2
Continuous circular arc or the interrupted circular arc as shown in Fig. 4-3)), define the center that round deferent is the interior closed-loop trench 131
Line.
As shown in figure 5, it includes the second external arc boss that the interior closed loop boss 133 in 12 upper surface of the pedestal, which is arranged,
1331, the second end boss 1333 of the second Inner arc boss 1332 and both sides, the second Inner arc boss 1332 is in height
Above higher than the second external arc boss 1331 and the second end boss 1333 of both sides and in the second Inner arc boss
1332 seamlessly transit with the intersection of the second end boss 1333 to the second end boss 1333.
As shown in fig. 6, the setting of ball 132 of the interior axial rolling support component 13 the interior closed loop boss 133 with
Between interior closed-loop trench 131, when the ball 132 is located on the interior closed loop boss 133, the ball 132 interior is closed with described
The contact path 134 of ring convex platform 133 contacts path 1341, positioned at described by the external arc on the external arc boss 1331
Inner arc contact path 1343 on Inner arc boss 1332 and the connection on the both side ends boss 1333 are described outer
Arc contact path 1341 and the both side ends transition contact datapath section 1342 in Inner arc contact path 1343 form.
As shown in fig. 7, the ball 132 of the interior axial rolling support component 13 is located at the second Inner arc boss 1332
When upper, the centre of sphere of the ball 132 is in described second on the center line of closed-loop trench 131, at this point, the ball 132 is in
Axial rolling holding state；The ball 132 is located at the second end boss of the second external arc boss 1331 and both sides
When on 1333, the centre of sphere of the ball 132 is less than the center line of closed-loop trench 131 in described second in height, at this point, described
Ball 132 is in recurrent state to ensure the continuity of axial rolling support.
The output shaft 111 of the roll bearing swing revolution driving component 11 by the radial rolling support component 16 with it is described
Fan-shaped oscillating deck 15 is connected, for driving the fan-shaped oscillating deck 15 around the fan-shaped axis of rotation O for swinging revolving platform 11O2Make
Swing rotary motion.
As shown in figure 8, the cross aligning slide unit 2 includes lower slide unit 21 and upper slide unit 22, the pedestal of the lower slide unit 21
211 fix with the fan-shaped oscillating deck 15, and the upper slide unit 22 is fixed with workhead 4 or grinding carriage；As shown in Figures 9 and 10,
It can make 5 water of workpiece on workhead 4 by the position of the upper slide unit 22 and lower slide unit 21 that adjust the cross aligning slide unit 2
Raceway groove arc center of curvature O (or forming circular arc curvature center in the grinding wheel trunnion axis cross section on grinding carriage) in flat shaft section
With the fan-shaped axis of rotation O for swinging revolving platform 11O2It overlaps, O in figure3O4It is workpiece cylindrical surface axis, the bearing pendulum
Dynamic revolution driving component 11 drives the fan-shaped oscillating deck 15 and cross aligning slide unit 2 thereon and workhead 4 (or grinding wheel
Frame) around the fan-shaped axis of rotation O for swinging revolving platform 11O2Make swing rotary motion, realizes the raceway groove arc track along workpiece 5
(or grinding wheel forming arc track) is fed.
In the present invention, the outer axial rolling support component 14 and interior axial rolling support component 13 are to the fan-shaped swing
Plate 15 and the cross aligning slide unit 2 play axial rolling supporting role jointly.
Although above in conjunction with attached drawing, invention has been described, and the invention is not limited in above-mentioned specific implementations
Mode, the above mentioned embodiment is only schematical, rather than restrictive, and those skilled in the art are at this
Under the enlightenment of invention, without deviating from the spirit of the invention, many variations can also be made, these belong to the present invention's
Within protection.
Claims (5)
1. a kind of swing aligning structure for arc track feeding, including fan-shaped swing revolving platform (1) and cross aligning slide unit
(2)；It is characterized in that,
The fan-shaped revolving platform (1) that swings includes pedestal (12), by outer axial rolling support component (14) and interior axial rolling branch
The axial rolling support component that support component (13) is constituted, fan-shaped oscillating deck (15), radial rolling support component (16) and bearing pendulum
Dynamic revolution driving component (11)；
The pedestal (12) is mounted on grinder bed or planker (3)；The outer axial rolling support component (14) includes setting
The pedestal (12) upper surface outer closed loop boss (143) and setting described fan-shaped oscillating deck (15) lower surface outer closed loop
Groove (141) has one group of ball (142) between the outer closed loop boss (143) and outer closed-loop trench (141)；In described
Axial rolling support component (13) includes setting in the interior closed loop boss (133) of the pedestal (12) upper surface and is arranged described
The interior closed-loop trench (131) of fan-shaped oscillating deck (15) lower surface, the interior closed loop boss (133) and interior closed-loop trench (131) it
Between be equipped with one group of ball (132)；The output shaft (111) of the roll bearing swing revolution driving component (11) passes through described radial rolling
Support component (16) is connected with the fan-shaped oscillating deck (15), for driving the fan-shaped oscillating deck (15) around the fan-shaped swing
The axis of rotation O of revolving platform (1)1O2Make swing rotary motion；
The cross aligning slide unit (2) includes lower slide unit (21) and upper slide unit (22), the pedestal (211) of the lower slide unit (21) with
The sector oscillating deck (15) is fixed, and the upper slide unit (22) is fixed with workhead (4) or grinding carriage；
The position of the upper slide unit (22) and lower slide unit (21) that adjust the cross aligning slide unit (2) makes the work on workhead (4)
Forming circular arc in the grinding wheel trunnion axis cross section on raceway groove arc center of curvature O or grinding carriage in part (5) trunnion axis cross section is bent
Rate center and the fan-shaped axis of rotation O for swinging revolving platform (1)1O2It overlaps；
The roll bearing swing revolution driving component (11) the driving fan-shaped oscillating deck (15) and cross aligning slide unit (2) thereon
With workhead (4) or grinding carriage around the fan-shaped axis of rotation O for swinging revolving platform (1)1O2Make swing rotary motion, realizes
Along raceway groove arc track or grinding wheel the forming arc track feeding of workpiece (5)；
The outer axial rolling support component (14) and interior axial rolling support component (13) to the sector oscillating deck (15) and
The cross aligning slide unit (2) plays axial rolling supporting role jointly.
2. a kind of swing aligning structure for arc track feeding according to claim 1, which is characterized in that closed outside described
The section of circular groove slot (141) is a scanning plane, and the scan path (151) of the scanning plane is one by the first outer circle segmental arc
(1511), the first end changeover portions (1513) of the first inner circle segmental arc (1512) and both sides is two-by-two in endpoint sequentially tangent formation
The center of circle of closed curve, the first outer circle segmental arc (1511) and the first inner circle segmental arc (1512) is in the fan-shaped swing revolving platform
(1) axis of rotation O1O2On；The scanning profile of the scanning plane is to radius of curvature and the outer axial rolling support component
(14) the interrupted circular arc of continuous circular arc or V-type line segment that the equal circle of ball (142) is felt relieved；
The outer closed loop boss (143) includes the first external arc boss (1431), the first Inner arc boss (1432) and both sides
First end boss (1433), the first external arc boss (1431) are higher than the first Inner arc boss in height
(1432) and the first end boss of both sides (1433), and in the first external arc boss (1431) and first end boss
(1433) intersection is seamlessly transitted to the first end boss (1433).
3. a kind of swing aligning structure for arc track feeding according to claim 2, which is characterized in that the outer shaft
The when of being located on the first external arc boss (1431) to the ball (142) of rolling support component (14), the ball (142)
The centre of sphere is on the center line of the outer closed-loop trench (141), at this point, the ball (142) is in axial rolling holding state；Institute
When stating ball (142) and being located on the first end boss (1433) of the first Inner arc boss (1432) and both sides, the rolling
The centre of sphere of pearl (142) is less than the center line of the outer closed-loop trench (141) in height, is followed at this point, the ball (142) is in
Ring status is to ensure the continuity of axial rolling support.
4. a kind of swing aligning structure for arc track feeding according to claim 1, which is characterized in that closed in described
The section of circular groove slot (131) is a scanning plane, and the scan path (152) of the scanning plane is one by the second outer circle segmental arc
(1521), the second end changeover portions (1523) of the second inner circle segmental arc (1522) and both sides is two-by-two in endpoint sequentially tangent formation
The center of circle of closed curve, the second outer circle segmental arc (1521) and the second inner circle segmental arc (1522) is in the fan-shaped swing revolving platform
(1) axis of rotation O1O2On；The scanning profile of the scanning plane is to radius of curvature and the interior axial rolling support component
(13) the interrupted circular arc of continuous circular arc or V-type line segment that the equal circle of ball (132) is felt relieved；
The interior closed loop boss (133) includes the second external arc boss (1331), the second Inner arc boss (1332) and both sides
The second end boss (1333), the second Inner arc boss (1332) are higher than the second external arc boss in height
(1331) and the second end boss of both sides (1333) and in the second Inner arc boss (1332) and the second end boss
(1333) intersection is seamlessly transitted to the second end boss (1333).
5. a kind of swing aligning structure for arc track feeding according to claim 4, which is characterized in that the inner shaft
The when of being located on the second Inner arc boss (1332) to the ball (132) of rolling support component (13), the ball (132)
The centre of sphere is in described second on the center line of closed-loop trench (131), at this point, the ball (132) is in axial rolling support shape
State；When the ball (132) is located on the second end boss (1333) of the second external arc boss (1331) and both sides, institute
The centre of sphere for stating ball (132) is less than the center line of closed-loop trench (131) in described second in height, at this point, the ball
(132) recurrent state is in ensure the continuity of axial rolling support.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810629137.1A CN108581840B (en) | 2018-06-19 | 2018-06-19 | Swing aligning structure for feeding circular arc track |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810629137.1A CN108581840B (en) | 2018-06-19 | 2018-06-19 | Swing aligning structure for feeding circular arc track |
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| CN108581840A true CN108581840A (en) | 2018-09-28 |
| CN108581840B CN108581840B (en) | 2023-10-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110842697A (en) * | 2019-10-17 | 2020-02-28 | 苏州铜盟电气有限公司 | Copper processing grinding device |
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| CN108581840B (en) | 2023-10-20 |
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