A kind of method of trimmer for outer raceway grinding machine and trimming wheel outline
Technical field
The invention belongs to the outer ball race grinding technical field of bearing inner race, refer more particularly to a kind of method of trimmer for outer raceway grinding machine and trimming wheel outline.
Background technology
Outer raceway grinding machine is the machining tool for the outer raceway of grinding bearing inner ring, the radius of curvature of the outer raceway of different model bearing inner race is not identical, the grinding of the outer raceway of bearing inner race adopts the method for forming, namely revise emery wheel outline by diamond pen, and make the outer raceway of the outline of emery wheel and bearing inner race match, then by the emery wheel revised outside raceway grinding machine carry out the outer raceway of grinding bearing inner ring.
In actual production, usual way takes standard ball by artificial hand and leans against on diamond pen, the position of diamond pen is rule of thumb adjusted with feel, and then emery wheel outline repaired and tries the outer raceway of mill bearing inner race, saw whether the outer raceway of bearing inner race meets designing requirement afterwards through scraping look, this process need is through repeatedly repeatedly, efficiency is low, and the precision of finishing is poor.
Summary of the invention
For solving the problem, the invention provides a kind of method of trimmer for outer raceway grinding machine and trimming wheel outline, the present invention comprises two contents: one is a kind of trimmer for outer raceway grinding machine, two is a kind of methods for outer raceway grinding machine trimming wheel outline, the method realizes the accurate location of diamond pen by trimmer, in order to solve the problems such as the efficiency that at present manual positioning diamond pen produces is low, dressing accuracy is poor.
For achieving the above object, the present invention adopts following technical scheme:
A kind of trimmer for outer raceway grinding machine, comprise fixture block, longitudinal coattail board, horizontal coattail board, laterally adjust handwheel, longitudinally adjust handwheel, lifting screw, base plate, fixed head, lifting nut, magnet base, the radius of curvature of the outer raceway of setting bearing inner race with join spin radius match, standard steel ball mates with the nominal diameter of joined spin and controls in the design deviation of spin, it is characterized in that: lifting screw is fixed on magnet base one end by clamp ring, lifting screw is configured with lifting nut, the internal thread of lifting nut mates with the external screw thread of lifting screw, in the upper end of lifting nut is connected and fixed plate and the endoporus of fixed head one end to embed lifting screw V-shaped groove by several triangular keys, fixed head can be moved up and down along lifting screw with lifting nut, base plate is connected in the other end groove of falling L of fixed head, horizontal coattail board is configured with in the horizontal dovetail groove of base plate upper end, configuration screw mandrel in horizontal coattail board, the output socket of described screw mandrel laterally adjusts handwheel, screw mandrel and the strand in described horizontal dovetail groove of configuration in horizontal coattail board join the control that merga pass transverse direction adjusts handwheel makes horizontal coattail board transverse shifting, longitudinal coattail board is configured with in the longitudinal dovetail groove in horizontal coattail board upper end, also screw mandrel is configured in longitudinal coattail board, the output socket of this screw mandrel longitudinally adjusts handwheel, screw mandrel and the strand in described longitudinal dovetail groove of configuration in longitudinal coattail board join the control that merga pass longitudinal direction adjusts handwheel makes longitudinal coattail board vertically move, the fixture block for placing several standard steel ball is connected with in the upper end of longitudinal coattail board.
A kind of method for outer raceway grinding machine trimming wheel outline, the radius of curvature of the outer raceway of setting bearing inner race with join spin radius match, standard steel ball mates with the nominal diameter of joined spin and controls in the design deviation of spin, it is characterized in that: by clamping rod, standard steel ball chuck identical for outer for bearing inner race to be ground raceway radius of curvature is held on fixture block, magnet base is pull-in on the finishing platform of outer raceway grinding machine, there is the reversing frame alignment criteria steel ball of X-direction left and right gyroscopic action and be arranged near described trimmer, first amesdial is fixed on reversing frame by jackscrew, the contact of adjustment amesdial makes its peak contacting standard steel ball and by the pointer regulation of amesdial to zero-bit, outline along standard steel ball swings amesdial makes described contact contact standard steel ball all the time, the scope of described swing is standard steel ball is upper semi-circle, in described swing process, the pointer of amesdial can not depart from described zero-bit, described swing process determines reversing frame along the pivotal running orbit in described X-direction left and right, the reversing frame determined from described running orbit takes out amesdial, then diamond pen is contained on reversing frame, it is by jackscrew, diamond pen is fastening after the nib of diamond pen withstands on the peak of standard steel ball, the described running orbit that now described nib follows reversing frame is also determined, after this by being made by lifting nut base plate decline and then making the decline of the standard steel ball on fixture block be as the criterion not affect emery wheel revolution, because the width of emery wheel and the width of the outer raceway of bearing inner race are determined in advance and be arranged on the grinding carriage of outer raceway grinding machine, therefore move near grinding carriage to described nib along Y-direction, adjustment grinding carriage makes the symmetrical center line of grinding wheel width aim at described nib, in emery wheel revolution situation, namely reciprocally swinging reversing frame is repaired emery wheel outline by described nib, repair complete emery wheel and namely can be used to the outer raceway of grinding bearing inner ring.
Owing to adopting technical scheme described above, the present invention produces following beneficial effect:
1, trimmer of the present invention is that the accurate location of diamond pen outside on raceway grinding machine provides possibility, also for trimming wheel outline on diamond pen outside raceway grinding machine provides possibility, accurate emery wheel outline is the precondition of the outer raceway of grinding bearing inner ring, trimmer cost of manufacture is low, installs and uses very flexible.
2, method of the present invention has the advantages that dressing process is simple, reliable, efficiency is high, be applicable to the grinding machine of various raceway, improve dressing efficiency and the dressing accuracy of emery wheel outline, the percent defective decreasing emery wheel also just means the grinding yield rate that improve the outer raceway of bearing inner race.
3, the running orbit of method of the present invention by using amesdial can control diamond pen, thus emery wheel outline is accurately repaired, achieve quantified controlling.
Accompanying drawing explanation
Fig. 1 is the three-dimensional simplified schematic diagram of trimmer.
Fig. 2 is the diagrammatic top view of the inventive method.
In above-mentioned figure: 1-standard steel ball; 2-fixture block; The longitudinal coattail board of 3-; The horizontal coattail board of 4-; 5-laterally adjusts handwheel; 6-longitudinally adjusts handwheel; 7-lifting screw; 8-base plate; 9-fixed head; 10-lifting nut; 11-magnet base; 12-jackscrew; 13-grinding carriage; 14-emery wheel; 15-diamond pen; 16-reversing frame; 17-amesdial.
Detailed description of the invention
The present invention is a kind of method of trimmer for outer raceway grinding machine and trimming wheel outline, comprise two contents: one is a kind of trimmer for outer raceway grinding machine, two is a kind of methods for outer raceway grinding machine trimming wheel outline, the method realizes the accurate location of diamond pen by trimmer, in order to solve the problems such as the efficiency that at present manual positioning diamond pen produces is low, dressing accuracy is poor.
The radius of curvature of the outer raceway of setting bearing inner race with join spin radius match, standard steel ball 1 mates with the nominal diameter of joined spin and controls in the design deviation of spin.
Composition graphs 1, a kind of trimmer for outer raceway grinding machine, comprises fixture block 2, longitudinal coattail board 3, horizontal coattail board 4, laterally adjustment handwheel 5, longitudinally adjustment handwheel 6, lifting screw 7, base plate 8, fixed head 9, lifting nut 10, magnet base 11.Lifting screw 7 is fixed on magnet base 11 one end by clamp ring, lifting screw 7 is configured with lifting nut 10, the internal thread of lifting nut 10 mates with the external screw thread of lifting screw 7, in the upper end of lifting nut 10 is connected and fixed plate 9 and the endoporus of fixed head 9 one end to embed lifting screw 7 V-shaped groove by several triangular keys, fixed head 9 can be moved up and down along lifting screw 7 with lifting nut 10, base plate 8 is connected in the other end groove of falling L of fixed head 9, horizontal coattail board 4 is configured with in the horizontal dovetail groove of base plate 8 upper end, configuration screw mandrel in horizontal coattail board 4, the output socket laterally adjustment handwheel 5 of described screw mandrel, screw mandrel and the strand in described horizontal dovetail groove of configuration in horizontal coattail board 4 join the control that merga pass transverse direction adjusts handwheel 5 makes horizontal coattail board 4 transverse shifting, longitudinal coattail board 3 is configured with in the longitudinal dovetail groove in horizontal coattail board 4 upper end, also screw mandrel is configured in longitudinal coattail board 3, the output socket longitudinally adjustment handwheel 6 of this screw mandrel, screw mandrel and the strand in described longitudinal dovetail groove of configuration in longitudinal coattail board 3 join the control that merga pass longitudinal direction adjusts handwheel 6 makes longitudinal coattail board 3 vertically move, the fixture block 2 for placing several standard steel ball 1 is connected with in the upper end of longitudinal coattail board 3.
Above-mentioned trimmer is that the accurate location of diamond pen raceway grinding machine outside provides possibility, and also for trimming wheel outline on diamond pen outside raceway grinding machine provides possibility, accurate emery wheel outline is the precondition of grinding bearing inner ring raceway outward.
Give diamond pen 15 and amesdial 17 in Fig. 2 simultaneously and do not provide the pointer of amesdial 17, being the installation site in order to briefly explain amesdial 17, being explained at this.
In conjunction with Fig. 1-2, a kind of method for outer raceway grinding machine trimming wheel outline, by clamping rod, standard steel ball 1 identical for outer for bearing inner race to be ground raceway radius of curvature is clamped on fixture block 2, magnet base 11 is pull-in on the finishing platform of outer raceway grinding machine, there is the reversing frame 16 alignment criteria steel ball 1 of X-direction left and right gyroscopic action and be arranged near described trimmer, first amesdial 17 is fixed on reversing frame 16 by jackscrew 12, the contact of adjustment amesdial 17 makes its peak contacting standard steel ball 1 and by the pointer regulation of amesdial 17 to zero-bit, outline along standard steel ball 1 swings amesdial 17 makes described contact contact standard steel ball 1 all the time, the scope of described swing is standard steel ball 1 is upper semi-circle, in described swing process, the pointer of amesdial 17 can not depart from described zero-bit, described swing process determines reversing frame 16 along the pivotal running orbit in described X-direction left and right, the reversing frame 16 determined from described running orbit takes out amesdial 17, then diamond pen 15 is contained on reversing frame 16, the nib of diamond pen 15 to withstand on fastening for diamond pen 15 after the peak of standard steel ball 1 by jackscrew 12, the described running orbit that now described nib follows reversing frame 16 is also determined, after this by making base plate 8 decline lifting nut 10 and then make the standard steel ball 1 on fixture block 2 decline not affect emery wheel 14 revolution to be as the criterion, because the width of emery wheel 14 and the width of the outer raceway of bearing inner race are determined in advance and be arranged on the grinding carriage 13 of outer raceway grinding machine, therefore move near grinding carriage 13 to described nib along Y-direction, adjustment grinding carriage 13 makes the symmetrical center line of emery wheel 14 width aim at described nib, in emery wheel 14 revolution situation, namely reciprocally swinging reversing frame 16 is repaired emery wheel 14 outline by described nib, repair complete emery wheel 14 and namely can be used to the outer raceway of grinding bearing inner ring, by the running orbit using amesdial can control diamond pen, thus emery wheel outline is accurately repaired, achieve quantified controlling.
Said method has the advantages that dressing process is simple, reliable, efficiency is high, be applicable to the grinding machine of various raceway, improve dressing efficiency and the dressing accuracy of emery wheel outline, the percent defective decreasing emery wheel also just means the grinding yield rate that improve the outer raceway of bearing inner race.
The embodiment selected in this article in order to open object of the present invention, currently thinks to be suitable for, but it is to be understood that the present invention is intended to comprise all changes belonging to the embodiment in this design and the scope of the invention and improvement.