CN104227546A - Advancing/retracting mechanism for superfinishing head spindle of bearing raceway superfinisher and use method of advancing/retracting mechanism - Google Patents
Advancing/retracting mechanism for superfinishing head spindle of bearing raceway superfinisher and use method of advancing/retracting mechanism Download PDFInfo
- Publication number
- CN104227546A CN104227546A CN201410396246.5A CN201410396246A CN104227546A CN 104227546 A CN104227546 A CN 104227546A CN 201410396246 A CN201410396246 A CN 201410396246A CN 104227546 A CN104227546 A CN 104227546A
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- CN
- China
- Prior art keywords
- main shaft
- pedestal
- erecting bed
- positive stop
- pneumatic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B24B33/00—Honing machines or devices; Accessories therefor
-
- 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
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
Abstract
The invention relates to an advancing/retracting mechanism for a superfinishing head spindle of a bearing raceway superfinisher and a use method of the advancing/retracting mechanism. A rotating shaft of the advancing/retracting mechanism is vertically placed and is fixed relative to a bed body; one end of a base is matched with the rotating shaft in a rotating manner; the lower end face of a first end of an elastic deformation body is fixedly connected with the base; the upper end face of a second end of the elastic deformation body is fixedly connected with the bottom of a spindle mounting table; a pneumatic ejecting rod vertically penetrates through the spindle mounting table and is matched with the spindle mounting table in a sliding manner; the pneumatic ejecting rod is positioned below the spindle mounting table; one end of a tension spring is arranged on the base; the other end of the tension spring is arranged on the spindle mounting table; one end of a pneumatic traction rod is hinged to the base; the other end of the pneumatic traction rod is hinged to the bed body; the superfinishing head spindle is arranged on the top surface of the spindle mounting table. According to the advancing/retracting mechanism disclosed by the invention, the functions of a guide rail sliding table mechanism are realized; in addition, a main body structure of the superfinisher is remarkably and effectively simplified, the manufacturing cost and the maintenance cost are respectively and greatly reduced, the control over the precision is easier, and the beneficial effects of high efficiency and low cost are realized.
Description
?
Technical field
The present invention relates to fine finishing mill for bearing race technical field, especially superfinishing head main shaft forward and back mechanism.
Background technology
At present, fine finishing mill for bearing race is utilized to add man-hour to raceway, oilstone needs constantly to switch between operating position and outflow location, this process comprises two actions, one is that oilstone is jumped into, jumped out from raceway, and two is that oilstone is being jumped out shift-in under state, shifted out bearing ring inside (as shown in Figure 1).
And in conventional method, these two actions of oilstone are all realized by line slideway.As shown in Figure 2, the horizontal stroke of linear motion guide rail, longitudinal slide unit is adopted in conventional method, its component and mounting means as follows: slide unit base 11 is mounted on lathe bed, the guide rail 14 be parallel to each other is installed in its upper surface both sides, large slide unit 12 lower surface both sides mounting guide rail 15, large slide unit 12 is arranged on above slide unit base 11, and guide rail 14 coordinates with guide rail 15, realizes large slide unit 12 moving relative to slide unit base longitudinal direction; Large slide unit upper surface two ends are provided with the guide rail 16 vertical with guide rail 15, and bottom little slide unit 13, two ends are provided with the guide rail 17 coordinated with guide rail 16, and then realize the transverse shifting of the relatively large slide unit 12 of little slide unit 13; Superfinishing head main shaft 18 is arranged on little slide unit 13.Bearing ring 19 position is fixed relative to lathe bed, drives the oilstone on superfinishing head main shaft 18 to move, achieve two actions of oilstone in raceway process by large slide unit 12 and the mobile of little slide unit 13.
Due in process, the distance of each action executing of oilstone is less, and every day, a class needed execution about 3000 ~ 5000 times, and the roller of linear motion guide rail repeats to wear and tear guide rail among a small circle, easily causes guide rail local anomaly to damage.Meanwhile, also there is shortcoming in traditional guide rail slide unit system: steel guide rail belongs to precision component, and length is long, and cost is high, and the life-span is short; The slide unit of mounting guide rail must have equal precision with guide rail, and processing cost is high, and volume is large; Guide rail needs independent hydraulic system to drive; Need lubrication and periodic maintenance inspection.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of fine finishing mill for bearing race superfinishing head main shaft forward and back mechanism and using method thereof are proposed, fully achieve the function of guide rail slipway mechanism, and Superfinishing machine agent structure obtains and obviously and effectively simplifies, making and maintenance cost all significantly reduce, precision controlling becomes and is more prone to, and achieves the beneficial effect of high efficiency, low cost.
In order to realize foregoing invention object, the invention provides following technical scheme:
A kind of fine finishing mill for bearing race superfinishing head main shaft forward and back mechanism, comprises gyroaxis, pedestal, back-moving spring, pneumatic draw bar, pneumatic lifting pin, elastic deformable body, main shaft erecting bed, superfinishing head main shaft, jumps into positive stop, jumps out positive stop, station positive stop and shift out positive stop.
Described gyroaxis is vertically placed and is fixed relative to lathe bed,
Described pedestal one end and described gyroaxis are rotatably assorted,
First end lower surface and the described pedestal of described elastic deformable body are fixed, fixing bottom the second end upper surface and described main shaft erecting bed,
Described pneumatic lifting pin vertically runs through main shaft erecting bed, is slidably matched with described main shaft erecting bed, and described pneumatic lifting pin is positioned at the below of described main shaft erecting bed,
Described back-moving spring one end is installed on pedestal, and one end is installed on main shaft erecting bed
Described pneumatic draw bar one end is articulated with pedestal, and one end is articulated with lathe bed,
Described superfinishing head main shaft is arranged on described main shaft erecting bed end face.
Describedly jump into positive stop and describedly jump out positive stop is arranged in described main shaft erecting bed both sides up and down along the axis of described superfinishing head main shaft, between elastic deformable body and pneumatic lifting pin, fixing relative to pedestal.
Described station positive stop and describedly shift out positive stop is arranged in pedestal with the rotation direction that described gyroaxis is axle both sides along described pedestal, fixes relative to described lathe bed.
Further, described elastic deformable body has the U-shaped groove of a group switching centre symmetry, the deformation point of described elastic deformable body is that this organizes the center of rotational symmetry of U-shaped groove, deformation point on described superfinishing head main-shaft axis,
Between described elastic deformable body first end upper surface and described main shaft erecting bed bottom surface and be provided with space between described elastic deformable body second end lower surface and described base top surface.
The using method of described a kind of fine finishing mill for bearing race superfinishing head main shaft forward and back mechanism, comprises the steps:
The first step, described pneumatic lifting pin to rising by described main shaft erecting bed jack-up until described main shaft erecting bed be close to described in jump out positive stop, described pneumatic draw bar hold described pedestal be close to described in shift out positive stop;
Second step, described pneumatic draw bar promotes described pedestal around described axis of rotation until described pedestal is blocked by described station positive stop, and described main shaft erecting bed drives described superfinishing main shaft to turn to processing stations with pedestal, and it is inner that described oilstone moves into bearing ring;
3rd step, described pneumatic lifting pin moves downward, and main shaft erecting bed is close to and jumps into positive stop, now oilstone jumps into described raceway, and fits with described raceway surface;
4th step, after microstoning completes, described pneumatic lifting pin is by described main shaft erecting bed jack-up until described main shaft erecting bed is blocked by the described positive stop that shifts out, and pneumatic draw bar pulls pedestal, makes it rotate until be close to and shift out station block.
A kind of fine finishing mill for bearing race superfinishing head main shaft forward and back mechanism of the present invention and using method thereof, produce a small amount of displacement by elastic deformation part to realize oilstone jumping in workpiece raceway and jump out, realize oilstone turnover workpiece station by superfinishing head system integral-rotation.Instead of guide rail rectilinear motion with elastic deformation, the cost of manufacture of part reduces greatly, and elastomeric material life-span within the scope of elastic modelling quantity is permanent, simple and compact for structure, volume is little, without the need to lubrication, without motion wearing and tearing, utilize pneumatic system to drive, each side is all better than conventional guide rails slide unit system; Equally, have employed gyroaxis and bearing, make gyration instead of guide rail rectilinear motion, easily process, precision is high, and cost is low, easy to maintenance.
Accompanying drawing explanation
From left to right be followed successively by shown in Fig. 1 oilstone in the present invention and prior art in operating position, oilstone jumps out raceway, oilstone shifts out bearing ring schematic diagram;
From left to right be followed successively by prior art shown in Fig. 2 and utilize the horizontal stroke of linear motion guide rail, longitudinal slide unit makes oilstone be in operating position, jump out raceway and shift out the schematic diagram of bearing ring;
The master when oilstone be followed successively by from top to bottom in the present invention shown in Fig. 3 is positioned at operating position looks and schematic top plan view;
The master when oilstone be followed successively by from top to bottom in the present invention shown in Fig. 4 jumps out raceway looks and schematic top plan view, and when wherein arrow represents that pneumatic lifting pin moves up, oilstone jumps out out the direction of raceway;
The master when oilstone be followed successively by from top to bottom in the present invention shown in Fig. 5 shifts out bearing ring looks and schematic top plan view, and wherein arrow is expressed as and realizes oilstone and shift out bearing ring, the direction that main shaft erecting bed rotates with pedestal 23;
Schematic diagram after schematic diagram and distortion when being followed successively by not being out of shape of elastic deformable body described in the present invention shown in Fig. 6 from top to bottom.
Detailed description of the invention
Describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.
A kind of fine finishing mill for bearing race superfinishing head main shaft forward and back mechanism as shown in Fig. 1,3 to 6 and using method thereof, comprise gyroaxis 28, pedestal 23, pneumatic lifting pin 24, elastic deformable body 22, back-moving spring 27, pneumatic draw bar 212, main shaft erecting bed 21, superfinishing head main shaft 18, jump into positive stop 26, jump out positive stop 25, station positive stop 210 and shift out positive stop 211.
Gyroaxis 28 is fixed relative to lathe bed 217.Pedestal 23 one end is provided with the through hole vertically run through, and gyroaxis 28, through this through hole, is rotatably assorted with pedestal 23 by the bearing 29 being positioned at this through hole top and bottom.First end 221 lower surface of elastic deformable body 22 and pedestal 23 is fixing, fix bottom the second end 222 upper surface and main shaft erecting bed 21.Pneumatic lifting pin 24 is arranged on pedestal 23, and vertically runs through pedestal 23, is slidably matched with pedestal 23.Pneumatic lifting pin 24 termination is positioned at the below of main shaft erecting bed 21, the outside of elastic deformable body 22, and it is positioned on the extended line of elastic deformable body 22 first end 221 and the second end 222 line.Back-moving spring 27 is arranged on the position near pneumatic lifting pin 24, and its one end is installed on pedestal 23, and one end is installed on main shaft erecting bed 21.Pneumatic draw bar 212 is positioned at pedestal 23 side, and one end is articulated with pedestal 23, and one end is articulated with lathe bed 217, is namely bearing 29 raceway Superfinishing machine lathe.Superfinishing head main shaft 18 is arranged on main shaft erecting bed 21 end face, and superfinishing head main shaft 18 comprises oilstone and the oilstone frame for installing oilstone, can regard parts as at this.
Elastic deformable body 22 has the U-shaped groove of a group switching centre symmetry, the deformation point of elastic deformable body 22 is that this organizes the center of rotational symmetry 223 of U-shaped groove, and this deformation point drops on superfinishing head main shaft 18 axis.Space is provided with between elastic deformable body 22 first end 221 upper surface and described main shaft erecting bed 21 bottom surface and between elastic deformable body 22 second end 222 lower surface and pedestal 23 end face.
Jump into positive stop 26 and jump out positive stop 25 is arranged in main shaft erecting bed 21 both sides up and down along the axis of superfinishing head main shaft, between elastic deformable body 22 and pneumatic lifting pin 24, fix relative to pedestal 23.Station positive stop 210 and shift out positive stop 211 is arranged in pedestal 23 with the rotation direction that gyroaxis 28 is axle both sides along pedestal 23, fixes relative to lathe bed 217.Jump on pedestal 23 that positive stop 26 is arranged on below main shaft erecting bed 21, its effect is positioning spindle erecting bed 21, above with it during main shaft erecting bed 21 laminating, and superfinishing head main shaft 18 axis vertical, and oilstone jumps into raceway, it controls oilstone and jumps into position and have position accuracy demand.Jump into positive stop 26 height fixing after assembling and setting, can not adjust again.During location, main shaft erecting bed 21 is close to jumps into positive stop 26, and the back-moving spring 27 be connected on pedestal 23 is firmly held.Jumping out positive stop 25 is positioned at above main shaft erecting bed 21, controls the amount of movement that main shaft erecting bed 21 is moved upward, and then controls the amount of jumping out of oilstone, and it adjusts by the specification of workpiece to be processed is different from the distance of main shaft erecting bed 21.By arranging station positive stop 210 and shifting out positive stop 211, the rotation of pedestal 23 is limited within the specific limits.When pedestal 23 is close to station positive stop 210, main shaft erecting bed 21 drive superfinishing head main shaft 18 to turn to oilstone with pedestal 23 to be just positioned at bearing ring 19 to be processed inner, and corresponding raceway superfinishing station, ensures positional precision.After workpiece superfinishing completes, oilstone need shift out bearing ring, and now pedestal 23 rotates and shifts out positive stop 211 to being close to, and the position of shifting out positive stop 211 will ensure that oilstone just shifts out completely, and leaves certain safe distance, meets workpiece automatic loading/unloading and does not interfere.
During use, mechanism is first in the original state shown in Fig. 5: pneumatic lifting pin 24 keeps jacking state, main shaft erecting bed 21 is close to jumps out positive stop 25, and pneumatic draw bar 212 is held pedestal 23 and is close to and shifts out positive stop 211, and now oilstone is in and jumps out raceway and the state shifting out workpiece.First, bearing ring 19 to be processed by other mechanism's automatic chargings to appointment station, pneumatic draw bar 212 promotes pedestal 23 wraparound rotating shaft 28 and rotates, until pedestal 23 is blocked by station positive stop 210 and keeps, main shaft erecting bed 21 is made to drive superfinishing head main shaft 18 to turn to processing stations with pedestal 23, now oilstone moves into bearing ring inside, as shown in Figure 4.Then, pneumatic lifting pin 24 moves downward, elastic deformable body 22 recovers original-shape, main shaft erecting bed 21 is close to and jumps into positive stop 26, and be tightened up spring 27 and hold, now oilstone jumps into raceway, and fits with raceway surface, as shown in Figure 3, superfinishing head main shaft enters station action and completes.After microstoning completes, pneumatic lifting pin 24 overcomes the elastic deformation force of elastic deformable body 22 and the pulling force of back-moving spring 27 by main shaft erecting bed 21 jack-up, and block until main shaft erecting bed 21 is moved out of positive stop 211, now oilstone jumps out workpiece raceway.And then, pneumatic draw bar pulls pedestal 23, makes it turn to be close to shift out station block 211, and now oilstone shifts out bearing ring 19, returns to state shown in Fig. 5, and superfinishing head main shaft exits station action and completes.After bearing ring 19 automatic loading/unloading, mechanism is do action again.
A kind of fine finishing mill for bearing race superfinishing head main shaft forward and back mechanism of the present invention and using method thereof, produce a small amount of displacement by elastic deformation part to realize oilstone jumping in workpiece raceway and jump out, realize oilstone turnover workpiece station by superfinishing head system integral-rotation.Instead of guide rail rectilinear motion with elastic deformation, the cost of manufacture of part reduces greatly, and elastomeric material life-span within the scope of elastic modelling quantity is permanent, simple and compact for structure, volume is little, without the need to lubrication, without motion wearing and tearing, utilize pneumatic system to drive, each side is all better than conventional guide rails slide unit system; Equally, have employed gyroaxis and bearing, make gyration instead of guide rail rectilinear motion, easily process, precision is high, and cost is low, easy to maintenance.
Claims (3)
1. a fine finishing mill for bearing race superfinishing head main shaft forward and back mechanism, it is characterized in that, comprise gyroaxis, pedestal, back-moving spring, pneumatic draw bar, pneumatic lifting pin, elastic deformable body, main shaft erecting bed, superfinishing head main shaft, jump into positive stop, jump out positive stop, station positive stop and shift out positive stop
Described gyroaxis is vertically placed and is fixed relative to lathe bed,
Described pedestal one end and described gyroaxis are rotatably assorted,
First end lower surface and the described pedestal of described elastic deformable body are fixed, fixing bottom the second end upper surface and described main shaft erecting bed,
Described pneumatic lifting pin vertically runs through main shaft erecting bed, is slidably matched with described main shaft erecting bed, and described pneumatic lifting pin is positioned at the below of described main shaft erecting bed,
Described back-moving spring one end is installed on pedestal, and one end is installed on main shaft erecting bed,
Described pneumatic draw bar one end is articulated with pedestal, and one end is articulated with lathe bed
Described superfinishing head main shaft is arranged on described main shaft erecting bed end face;
Describedly jump into positive stop and describedly jump out positive stop is arranged in described main shaft erecting bed both sides up and down along the axis of described superfinishing head main shaft, between elastic deformable body and pneumatic lifting pin, fixing relative to pedestal;
Described station positive stop and describedly shift out positive stop is arranged in pedestal with the rotation direction that described gyroaxis is axle both sides along described pedestal, fixes relative to described lathe bed.
2. a kind of fine finishing mill for bearing race superfinishing head main shaft forward and back mechanism as claimed in claim 1, it is characterized in that, described elastic deformable body has the U-shaped groove of a group switching centre symmetry, the deformation point of described elastic deformable body is that this organizes the center of rotational symmetry of U-shaped groove, deformation point is on described superfinishing head main-shaft axis
Between described elastic deformable body first end upper surface and described main shaft erecting bed bottom surface and be provided with space between described elastic deformable body second end lower surface and described base top surface.
3. the using method of a kind of fine finishing mill for bearing race superfinishing head main shaft forward and back mechanism as claimed in claim 1, is characterized in that, comprise the steps:
The first step, described pneumatic lifting pin to rising by described main shaft erecting bed jack-up until described main shaft erecting bed be close to described in jump out positive stop, described pneumatic draw bar hold described pedestal be close to described in shift out positive stop;
Second step, described pneumatic draw bar promotes described pedestal around described axis of rotation until described pedestal is blocked by described station positive stop, and described main shaft erecting bed drives described superfinishing main shaft to turn to processing stations with pedestal, and it is inner that described oilstone moves into bearing ring;
3rd step, described pneumatic lifting pin moves downward, and main shaft erecting bed is close to and jumps into positive stop, now oilstone jumps into described raceway, and fits with described raceway surface;
4th step, after microstoning completes, described pneumatic lifting pin is by described main shaft erecting bed jack-up until described main shaft erecting bed is blocked by the described positive stop that shifts out, and pneumatic draw bar pulls pedestal, makes it rotate until be close to and shift out station block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410396246.5A CN104227546B (en) | 2014-08-13 | 2014-08-13 | Advancing/retracting mechanism for superfinishing head spindle of bearing raceway superfinisher and use method of advancing/retracting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410396246.5A CN104227546B (en) | 2014-08-13 | 2014-08-13 | Advancing/retracting mechanism for superfinishing head spindle of bearing raceway superfinisher and use method of advancing/retracting mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN104227546A true CN104227546A (en) | 2014-12-24 |
| CN104227546B CN104227546B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410396246.5A Active CN104227546B (en) | 2014-08-13 | 2014-08-13 | Advancing/retracting mechanism for superfinishing head spindle of bearing raceway superfinisher and use method of advancing/retracting mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761503A (en) * | 2020-06-29 | 2020-10-13 | 宁波安杰森精密机械制造有限公司 | Bearing ring channel ultra-lapping device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0111936B1 (en) * | 1982-12-22 | 1988-03-23 | Osaka Seiki Kabushiki Kaisha | Machine for superfinishing annular workpieces |
| DE4033725C2 (en) * | 1990-10-24 | 1993-02-25 | Ernst Thielenhaus Kg, 5600 Wuppertal, De | |
| JPH05131352A (en) * | 1990-10-24 | 1993-05-28 | Ernst Thielenhaus Kg | Method and device for precision polishing of ring and particularly roller bearing race |
| CN201389797Y (en) * | 2009-04-03 | 2010-01-27 | 宁夏银川大河数控机床有限公司 | Numerical control main shaft reciprocating drive for honing machine |
| CN202804892U (en) * | 2012-08-09 | 2013-03-20 | 重庆聚研机床有限公司 | Linear motor type reciprocating mechanism of vertical type honing machine honing rod |
| CN204195474U (en) * | 2014-08-13 | 2015-03-11 | 无锡市索菲机械电子有限公司 | A kind of fine finishing mill for bearing race superfinishing head main shaft forward and back mechanism |
-
2014
- 2014-08-13 CN CN201410396246.5A patent/CN104227546B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0111936B1 (en) * | 1982-12-22 | 1988-03-23 | Osaka Seiki Kabushiki Kaisha | Machine for superfinishing annular workpieces |
| DE4033725C2 (en) * | 1990-10-24 | 1993-02-25 | Ernst Thielenhaus Kg, 5600 Wuppertal, De | |
| JPH05131352A (en) * | 1990-10-24 | 1993-05-28 | Ernst Thielenhaus Kg | Method and device for precision polishing of ring and particularly roller bearing race |
| CN201389797Y (en) * | 2009-04-03 | 2010-01-27 | 宁夏银川大河数控机床有限公司 | Numerical control main shaft reciprocating drive for honing machine |
| CN202804892U (en) * | 2012-08-09 | 2013-03-20 | 重庆聚研机床有限公司 | Linear motor type reciprocating mechanism of vertical type honing machine honing rod |
| CN204195474U (en) * | 2014-08-13 | 2015-03-11 | 无锡市索菲机械电子有限公司 | A kind of fine finishing mill for bearing race superfinishing head main shaft forward and back mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761503A (en) * | 2020-06-29 | 2020-10-13 | 宁波安杰森精密机械制造有限公司 | Bearing ring channel ultra-lapping device |
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| CN104227546B (en) | 2017-04-12 |
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