Background technology
Microstoning utilizes the finished machined being contained in the microstone in vibration head and carrying out polished surface.Microstoning is carried out after being generally arranged in precision grinding process, its allowance only several microns, is suitable for the cylindrical of machining crankshafts, roll, bearer ring and various precision component, inner circle, plane, channel surface and sphere etc.Superfinishing machine is exactly a kind of precision equipment carrying out this processing, with lower pressure, oilstone is pressed on the workpiece be rotating, forming surface contact condition, and meanwhile, oilstone does the axial vibration of upper frequency with meticulous buffing work-piece surface.Superfinishing function greatly improves roughness at short notice, owing under low pressure processing, so the surface texture of workpiece does not produce ANOMALOUS VARIATIONS, and can remove or major part removes mill processing or machining operation time the damaged surface layer that produces, and because oilstone and workpiece are the face ways of contact, automatic profiling, so can remove the external waviness easily occurred in mill processing, thus improves circularity.
An important applied field of Superfinishing machine carries out the microstoning of bearing enclose.In current existing Superfinishing machine equipment and technology, due to the characteristic that processed bearing inner race is different with bearing outer ring, be generally used for the Superfinishing machine of machining bearing inner ring and need design for the Superfinishing machine of machining bearing outer ring respectively and buy use, although or employ an equipment, but equipment there is apparatus structures different in a large number for different processing works, need to be changed constantly, cost is high, and efficiency is low.Can adapt to different processing environments in the urgent need to a kind of at present, can be applicable to the superfinishing of bearing inner race and outer ring, technological action is easy to adjust, accurate simultaneously, the Superfinishing machine that reliability is high.
Summary of the invention
In view of above situation, in order to solve above-mentioned technology Problems existing, the present invention proposes a kind of Superfinishing machine guiding mechanism, comprise swinging axle, wobble component and power transmission shaft, described swinging axle has swing spindle nose, and swing on spindle nose and arrange spheric roller bearing, described power transmission shaft is fixedly connected with wobble component, described wobble component has plane of oscillation, and described power transmission shaft is engaged with spheric roller bearing rotationally by the plane of oscillation of wobble component.
Preferably, described plane of oscillation is cylindrical shape, the spheric roller bearing swinging spindle nose and upper installation thereof stretches into the inside of cylindrical shape by the passage arranged above plane of oscillation, the outer surface of spheric roller bearing engages with the cylinder shape inner wall of plane of oscillation rotationally.
Preferably, the longitudinal center line of the spheric roller bearing of the longitudinal center line of described plane of oscillation and described swing spindle nose and upper installation thereof is vertical.
Alternatively, described swing spindle nose arranged off-centre on swinging axle, swings the center line of spindle nose and the centerline parallel of swinging axle.
Preferably, also comprise power set and swing axle bed, the slave unit of described power set is arranged on and swings on axle bed, and described swinging axle is fixedly mounted on the inside swinging axle bed, outer circumference surface and the inner peripheral surface fixed engagement swinging axle bed of swinging axle.Described swing axle bed is eccentric structure, and the longitudinal center line of its outer circumference surface and the longitudinal center line of inner peripheral surface are parallel to each other.The longitudinal center line of the outer circumference surface of described swing axle bed and the longitudinal center line of described swinging axle are parallel to each other.
After the guiding mechanism technology proposed taking the present invention, the Superfinishing machine according to the embodiment of the present invention can adapt to different processing environments, and can be applicable to the superfinishing of bearing inner race and outer ring, technological action is easy to adjust, accurate, and reliability is high simultaneously.
Accompanying drawing explanation
Fig. 1 shows sectional view according to an embodiment of the invention
Description of reference numerals
Power set 1, motor 11, driving pulley 12, synchronous belt 13, driven pulley 14, swing axle bed 2, outer circumference surface 21, inner peripheral surface 22, swinging axle 3, outer circumference surface 31, swing spindle nose 32, balance spindle nose 33, spheric roller bearing 34, wobble component 4, plane of oscillation 41, power transmission shaft 5, locking device 51, connector 6, fixture 7, end cap 71, locking device 72, bearing 73, spacer 74, spacer 75, power transmission shaft holder 8, upper end cover 81, bottom end cover 82, bearing 83, bearing 84, spacer 85, stabilizer 91, equilibrate counterweight 911, adjustment lid 92, ring limit 921, retaining mechanism 93, dial 94, fixture 941, fixed cap 95
Detailed description of the invention
Below with reference to accompanying drawings of the present invention each is preferred embodiment described.There is provided the description referring to accompanying drawing, to help the understanding to the example embodiment of the present invention limited by claim and equivalent thereof.It comprises the various details helping to understand, but they can only be counted as exemplary.Therefore, those skilled in the art will recognize that, can make various changes and modifications embodiment described herein, and do not depart from the scope of the present invention and spirit.And, in order to make description clearly succinct, will the detailed description to well known function and structure be omitted.
As shown in Figure 1, as a kind of Superfinishing machine according to the embodiment of the present invention, be designed with swing mechanism, comprise power set 1, swing axle bed 2, swinging axle 3, wobble component 4 and power transmission shaft 5, the slave unit of described power set 1 is arranged on and swings on axle bed 2, described swinging axle 3 is fixedly mounted on the inside swinging axle bed 2, and the outer circumference surface 31 of swinging axle 3 engages with the inner peripheral surface 22 swinging axle bed 2, and described power transmission shaft 5 is connected with swinging axle 3 by wobble component 4.Described swing axle bed 2 is eccentric structure, and the longitudinal center line of its outer circumference surface 21 and the longitudinal center line of inner peripheral surface 22 are parallel to each other.The longitudinal center line of the outer circumference surface 21 of described swing axle bed 2 and the longitudinal center line of described swinging axle 3 are parallel to each other.
Described swing mechanism also comprises connector 6, fixture 7, end cap 71, locking device 72, power transmission shaft holder 8, described swing axle bed 2 is arranged in fixture 7 rotationally, fixture 7 is fixedly mounted on connector 6, connector 6 is fixedly mounted on power transmission shaft holder 8, and described power transmission shaft 5 is arranged in power transmission shaft holder 8 rotationally.End cap 71 is installed in the top of described fixture 7, and locking device 72 is installed in the lower end swinging axle bed 2, arranges bearing 73 between fixture 7 and swing axle bed 2.Described bearing 73 is provided with organizes bearing more, is provided with spacer 74, is provided with the spacer 75 of band hermetically-sealed construction between bearing and locking device 72 between many group bearings.End cap 81 is installed in the top of described power transmission shaft holder 8, bottom end cover 82 is installed in below, and arrange bearing 83 and/or bearing 84 between power transmission shaft holder 8 and power transmission shaft 5, the end spindle nose of power transmission shaft 5 is provided with locking device 51.Described bearing 83 and/or bearing 84 are provided with organizes bearing more, is provided with spacer 85 between many group bearings.Described bearing 73 and bearing 83 are angular contact bearing, and described bearing 84 is cylinder roller bearing.
Described power set 1 comprise motor 11, driving pulley 12, synchronous belt 13 and driven pulley 14, driving pulley 12 is fixedly mounted on the output shaft of motor 11, synchronous belt 13 is arranged on driving pulley 12 and driven pulley 14, and driven pulley 14 is fixedly mounted on the outer circumference surface 21 of swing axle bed 2.
As a kind of Superfinishing machine according to the embodiment of the present invention, be designed with guiding mechanism, comprise swinging axle 3, wobble component 4 and power transmission shaft 5, described swinging axle 3 has swing spindle nose 32, swing on spindle nose 32 and spheric roller bearing 34 is set, described power transmission shaft 5 is fixedly connected with wobble component 4, and described wobble component 4 has plane of oscillation 41, and described power transmission shaft 5 is engaged with spheric roller bearing 34 rotationally by the plane of oscillation 41 of wobble component 4.
Described plane of oscillation 41 is cylindrical shape, the spheric roller bearing 34 swinging spindle nose 32 and upper installation thereof stretches into the inside of cylindrical shape by the passage arranged above plane of oscillation 41, the outer surface of spheric roller bearing 34 engages with the cylinder shape inner wall of plane of oscillation 41 rotationally.The longitudinal center line of the spheric roller bearing 34 of the longitudinal center line of described plane of oscillation 41 and described swing spindle nose 32 and upper installation thereof is vertical.Described swing spindle nose 32 arranged off-centre on swinging axle 3, swings the center line of spindle nose 32 and the centerline parallel of swinging axle 3.
Described swing axle bed 2 is eccentric structure, and the longitudinal center line of its outer circumference surface 21 and the longitudinal center line of inner peripheral surface 22 are parallel to each other.The longitudinal center line of the outer circumference surface 21 of described swing axle bed 2 and the longitudinal center line of described swinging axle 3 are parallel to each other.
As a kind of Superfinishing machine according to the embodiment of the present invention, be designed with balanced controls, comprise power set 1, swing axle bed 2, swinging axle 3 and stabilizer 91, the slave unit of described power set 1 is arranged on and swings on axle bed 2, described swinging axle 3 is fixedly mounted on the inside swinging axle bed 2, the outer circumference surface 31 of swinging axle 3 engages with the inner peripheral surface 22 swinging axle bed 2, and described stabilizer 91 is fixedly mounted on the balance spindle nose 33 of swinging axle 3.Described stabilizer 91 is provided with one or more equilibrate counterweight 911.
Also be provided with adjustment lid 92, adjustment lid 92 is the L-shaped torus in cross section, is arranged on the top of stabilizer 91, the downward coated stabilizer 91 in " L " shape toric ring limit 921.The thickness gradual change in a circumferential direction on the ring limit 921 of described adjustment lid 92, it is greater than in a cross section in the radial direction in other cross section in the radial direction.
Also be provided with dial 94, described dial 94 is fixedly mounted on the upper surface swinging axle bed 2, and stabilizer 91 is arranged on the top of dial 94, and is fixedly connected with dial 94 by fixture 941.
Also be provided with retaining mechanism 93, described retaining mechanism 93 is arranged on the balance spindle nose 33 of swinging axle 3, and the lower end of retaining mechanism 93 and the upper surface of stabilizer 91 are fitted.
The balance spindle nose 33 of swinging axle 3 installs fixed cap 95, and fixed cap 95 is coated and locked downwards mechanism 93.Described fixed cap 95 is in circular, and thickness is gradual change in a circumferential direction, and it is greater than in a cross section in the radial direction in other cross section in the radial direction.
Can adapt to different processing environments according to the guiding mechanism of the embodiment of the present invention and the Superfinishing machine of applying it, can be applicable to the superfinishing of bearing inner race and outer ring, technological action is easy to adjust, accurate, and reliability is high simultaneously.
Above to invention has been detailed introduction, applying specific case herein and setting forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can implement.Certainly, above listed situation is only example, and the present invention is not limited to this.It should be appreciated by those skilled in the art, according to other distortion or the simplification of technical solution of the present invention, suitably can be applied to the present invention, and should comprise within the scope of the invention.