CN102303279B - Outer-diameter superfinishing machine tool for spherical roller - Google Patents
Outer-diameter superfinishing machine tool for spherical roller Download PDFInfo
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- CN102303279B CN102303279B CN 201110280555 CN201110280555A CN102303279B CN 102303279 B CN102303279 B CN 102303279B CN 201110280555 CN201110280555 CN 201110280555 CN 201110280555 A CN201110280555 A CN 201110280555A CN 102303279 B CN102303279 B CN 102303279B
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Abstract
The invention discloses an outer-diameter superfinishing machine tool for a spherical roller. The machine tool comprises a bed body, an electric control cabinet and a cooling mechanism, as well as a loading/unloading mechanism, a workpiece transmission mechanism, a swinging mechanism and a superfinishing mechanism, wherein the bed body is provided with an upright; a box body is mounted on the upright; the workpiece transmission mechanism is mounted on the front portion of the bed body; an upright and a box body are mounted on the rear portion of the workpiece transmission mechanism; the swinging mechanism comprises a swinging main shaft and an oil stone plunge cylinder; the swinging main shaft is mounted on the front end of the swinging main shaft; the oil stone plunge cylinder is mounted on the rear portion of the swinging main shaft; the loading/unloading mechanism comprises a loading path and an unloading path; the loading path is mounted on the upper portion of the box body, while the unloading path is mounted on the lower portion of the workpiece transmission mechanism; all the mechanisms are arranged in a totally enclosed housing; and the electric control cabinet is arranged on the right side of the housing. The machine tool has the advantages of low roughness degree value, low roundness, long service life and low noise, etc.
Description
Technical field
The present invention relates to a kind of mechanical equipment technical field, especially belong to outer diameter of spherical roller machining tool field.
Background technology
Use altogether four kinds of rolling elements in rolling bearing, be ball, cylindrical roller, taper roller and spherical roller, for making rolling bearing that good rotating accuracy be arranged, low noise and long-life, good stability, thereby rolling element all wants microstoning to reduce the running noise of bearing to improve its circularity, surface roughness and percent ripple, extends the service life of bearing.The microstoning that existing China has solved ball, cylindrical roller and taper roller substantially, but the superfinishing technology of unresolved outer diameter of spherical roller.Existing domestic spherical roller can only be used up the roughness value that decorations processing reduces roller surface, roughness value is also larger, generally in Ra 0.2 μ m left and right, and this technique makes roller surface damage, produce pit, thereby increased the thermal stress of roller surface, the roller easy-to-rust, reduced the service life of bearing, therefore developed spherical roller microstoning technique, frock and equipment are the problems that bearing industry must solve.
For example, the day for announcing is 2010.09.22, notification number is 101504036, patent name is comprised of diamond roller automatic dressing bucking-out system, auto-feed grinding system, automatic loading and unloading system, digital control system for " manufacturing equipment of roller bearing spherical roller and processing technology " discloses manufacturing equipment, wherein diamond roller automatic dressing bucking-out system consists of diamond roller, emery wheel and roller guide, and the auto-feed grinding system can disposablely complete all corase grind to sphere rolling surface and two circular arc chamferings, fine grinding, the grinding work of mill eventually; Concrete processing technology is: 1. blanking; 2. finish turning both ends of the surface; 3. quench; 4. fine grinding both ends of the surface; 5. centreless grinding grinds external diameter; 6. disposable grinding rolling surface and two circular arc chamferings; 7. demagnetizing and cleaning; 8. alter light vibration; 9. grouping sorts; 10. the oiling packing is put in storage.This technique is different from roller outer diameter superfinishing technique, is the grinding process of front, and its subsequent technique is only the roller processing technology that reaches final specification requirement.
Summary of the invention
The invention reside in the defect that has overcome prior art, provide that a kind of roughness value is less, circularity is little, the outer-diameter superfinishing machine tool for spherical roller of long service life.
In order to solve the technical problem of above-mentioned existence, the invention provides following technical scheme:
Outer-diameter superfinishing machine tool for spherical roller, comprise lathe bed, electrical control cabinet, cooling body, charging and discharging mechanism, the workpiece transmission mechanism, swing mechanism and superfinishing mechanism, described lathe bed is provided with column, on described column, casing is installed, the front portion of described lathe bed is equipped with the workpiece transmission mechanism, described workpiece transmission mechanism rear portion is equipped with column and casing, described swing mechanism comprises that oscillating spindle and oilstone jump into cylinder, on described casing, oscillating spindle is installed, also comprise oscillating motor, reductor, belt pulley, belt, crank mechanism, connecting rod, intermediate connecting rod, described oscillating motor connects reductor, described reductor and crank mechanism pass through belt pulley, belt is connected, described crank mechanism is connected with connecting rod and intermediate connecting rod in turn, described intermediate connecting rod is connected with oscillating spindle, described oscillating spindle axle center has a pull bar and oilstone to jump into cylinder to be connected, the front end of described oscillating spindle is equipped with superfinishing mechanism, described oscillating spindle rear portion is equipped with oilstone and jumps into cylinder, described charging and discharging mechanism comprises material loading road and blanking road, also comprise blanking cylinder, the axis of guide, material blocking block, described blanking cylinder left end is fixedly connected with the axis of guide, described axis of guide left side is installed with material blocking block, and described material blocking block top is provided with the outlet of material loading road, described casing top is equipped with the material loading road, and described blanking road is installed on workpiece transmission mechanism bottom, described workpiece transmission mechanism comprises driving motor, carves band more, belt pulley, deflector roll belt pulley and deflector roll, described driving motor connects belt pulley by carving band more, described belt pulley connects one or two deflector roll belt pulley by Timing Belt, and each described deflector roll belt pulley is fixedly connected with a deflector roll, two deflector rolls are one pair, and lathe has one pair or two pairs of deflector rolls, and above-mentioned each mechanism all is placed in full-closed shell, and described case right side is provided with electrical control cabinet.
Further, each described deflector roll is provided with one or two processing stations.
Further, described crank mechanism is provided with eccentric shoe.
Further, described superfinishing mechanism comprises superfinishing head and oilstone device of wear compensation, and described superfinishing crown section is provided with oilstone wear-compensating cylinder, and described oilstone wear-compensating cylinder one side is provided with the depression bar of controlling oilstone.
Compared with prior art, the present invention has following beneficial effect:
Optimize spherical roller superfinishing technique, improved the spherical roller surface quality, improved bearing quality.
The accompanying drawing explanation
Fig. 1 is the structural representation of outer-diameter superfinishing machine tool for spherical roller of the present invention;
Fig. 2 is the top view of outer-diameter superfinishing machine tool for spherical roller of the present invention;
Fig. 3 is the structural representation of charging and discharging mechanism of the present invention;
Fig. 4 is the schematic diagram of roller material loading of the present invention;
Fig. 5 is the structural representation of workpiece transmission mechanism of the present invention;
Fig. 6 is workpiece transmission mechanism profile of the present invention;
Fig. 7 is the structural representation of swing mechanism of the present invention;
Fig. 8 be swing mechanism A-A of the present invention to profile;
Fig. 9 is the top view of swing mechanism of the present invention;
Figure 10 is the structural representation of superfinishing of the present invention mechanism.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
As Fig. 1, shown in Fig. 2, comprise lathe bed 9, electrical control cabinet 10, cooling body, charging and discharging mechanism 6, workpiece transmission mechanism 18, swing mechanism 32 and superfinishing mechanism 20, be provided with column 29 on lathe bed, column 29 is two left and right pillars, left and right pillar 29 is installed on workpiece transmission mechanism 18 rear portions, the front portion of lathe bed 9 is equipped with workpiece transmission mechanism 18, on left and right pillar 29, be equipped with can be mobile in vertical direction casing 31, swing mechanism 32 comprises that oscillating spindle 30 and oilstone jump into cylinder 42, oscillating spindle 30 is installed on casing 31, the front end of oscillating spindle 30 is equipped with superfinishing mechanism 20, oscillating spindle 30 rear portions are equipped with oilstone and jump into cylinder 42, charging and discharging mechanism 6 comprises material loading road and blanking road, casing 31 tops are equipped with material loading road and cooling body, the blanking road is installed on workpiece transmission mechanism 18 bottoms, above-mentioned each mechanism all is placed in full-closed shell, and the case right side is provided with electrical control cabinet 10.
Cooling system is that an oil well pump is connected to superfinishing mechanism by pipe-line system, the cooling and cleaning while realizing microstoning.
As shown in Figure 3, Figure 4, charging and discharging mechanism 6 comprises blanking cylinder 1, the axis of guide 2, blanking road 3, material blocking block 5, material loading road 7, blanking cylinder 1 is fixedly connected with the axis of guide 2, blanking cylinder 1 drives the axis of guide 2 to move left and right feeding, discharge, blanking road 3, material blocking block 5 are installed on the axis of guide 2, and blanking road 3 quantity are one or two; 7 outlets of material loading road are arranged at material blocking block 5 tops, and roller to be processed 4 is arranged in material loading road 7.When wanting material loading, the axis of guide 2 moves to left under 1 effect of blanking cylinder, and roller to be processed drops on for 4 times on deflector roll 17, and then blanking cylinder 1 moves to right, roller 4 right sides that superfinishing is good are pushed on blanking road 3, and the roller 4 that another roller 4 replacements to be processed process is delivered to machining position.The next one on material loading road 7 roller 4 to be processed, all the time at material blocking block 5 upper surfaces, arrive next circulation and just be pushed into machining position.
As shown in Figure 5, Figure 6, workpiece transmission mechanism 18 comprises driving motor 11, carve more be with 12, belt pulley 13 and 14, deflector roll belt pulley 16, deflector roll 17, driving motor 11 is the three-phase alternating current variable speed electric motors, particularly, driving motor 11 is with 12 to be connected with belt pulley 13 by carving more, belt pulley 13 and belt pulley 14 are same shaft pulley, belt pulley 14 is connected with one or two deflector roll belt pulley 16 by Timing Belt, and optimal way deflector roll belt pulley 16 of the present invention is two; Each deflector roll belt pulley 16 is fixedly connected on a deflector roll 17, makes deflector roll 17 synchronize rotation with belt pulley 14, drives roller and rotates; Every pair of deflector roll 17 is provided with one or two station, and two deflector rolls 17 are one pair, and lathe can have one pair or two pairs of deflector rolls 17, and the shape face of deflector roll 17 is according to the difference of the R of roller to be processed and difference.In the present invention, every deflector roll 17 can drive two spherical rollers, but superfinishing roller two or four once, once the spherical roller of superfinishing is more simultaneously, and this lathe efficiency is higher.
As shown in Fig. 7, Fig. 8, Fig. 9, swing mechanism 32 comprises that oscillating spindle 30, oilstone jump into cylinder 42, oscillating motor 21, reductor 22, belt pulley 23 and 25, belt 24, crank mechanism 26, connecting rod 15 and 27, intermediate connecting rod 28, oscillating motor 21 connects reductor 22, reductor 22 is in transmission connection with crank mechanism 26 mutually by belt pulley 23 and 25, belt 24, crank mechanism 26 is provided with eccentric shoe 41, by adjusting the radial position of eccentric shoe, the difference that can regulate oscillating spindle 30 pendulum angles.Crank mechanism 26 is connected with connecting rod 27 and intermediate connecting rod 28 in turn, and intermediate connecting rod 28 is connected with oscillating spindle 30, and the present invention is two station machine tools, therefore two cover oscillating spindles 30 are arranged, has respectively intermediate connecting rod 28 and 15 to drive.Be provided with left and right pillar 29 on lathe bed 9, be fixed with oscillating spindle 30 and oilstone on left and right pillar 29 and jump into cylinder 42, the every corresponding oilstone of oscillating spindle is jumped into cylinder 42, and oilstone is jumped into the piston rod of cylinder 42 and the pull bar 19(Figure 10 in oscillating spindle 30 axle center) be connected.
As shown in figure 10, superfinishing device 20 comprises superfinishing 36 and oilstone device of wear compensation, and superfinishing 36 is fixedly connected on oscillating spindle 30 left parts by swing arm 35, thereby makes the oilstone in superfinishing 36 and oilstone box 34, with oscillating spindle 30, swings.Superfinishing 36 top are provided with oilstone wear-compensating cylinder 40, oilstone wear-compensating cylinder 40 1 sides are provided with depression bar 33, for pushing down the oilstone of oilstone box 34, by the piston in oilstone wear-compensating cylinder 40, with depression bar 33, be connected, by the position that is adjusted in the different holes of oscillation center, oilstone is vertically moved, meet the R requirement of different rollers; It is to be jumped under the effect of cylinder 42 at its oscillating spindle 30 rear portion oilstones by the pull bar 19 at oscillating spindle 30 centers that oilstone is jumped into workpiece, pushing away screw 37 makes oilstone box 34 skip to soon roller along oscillation center 38, realize superfinishing, the size of the amount of jumping into is regulated with jumping into screw 39.Superfinishing 36 swing by oilstone realize that extra coarse, essence surpass, and make spherical roller reach the requirement that reduces roller surface roughness and percent ripple and circularity, simultaneously the wearing and tearing of energy auto-compensation oilstone.
As shown in Figure 2, electrical control cabinet 10 is connected with guidance panel 8, above-mentioned each motor respectively, guidance panel 8 is provided with touch-screen, adopt PLC to realize the independent adjustment of each action and automatic cycle action during superfinishing automatically, this machine is the super one-time formed lathe of thick essence, its extra coarse, the overtime roller transmission rotating speed of essence and the hunting frequency of oilstone all can arrange separately, and adjust on touch-screen and can search machine failure through " fault diagnosis ".
The present invention is full-automatic Superfinishing machine, and diameter, length and the circular arc sizes different according to spherical roller can select the lathe of different specifications to realize microstoning, and its operation principle is consistent.
The present invention is divided into two kinds of lathes, two stations (once superfinishing two rollers) and four stations (once four rollers of while superfinishing) simultaneously, different roller rotation rates and oilstone hunting frequency are set respectively, with the same oilstone, a roller are completed to extra coarse and the super processing of essence.
The two station Superfinishing machine superfinishing 22212CA of now take are example, and result is as follows:
1) thick, overtime of essence is 14 seconds, and now efficiency is one of 7 second;
2) the superfinishing amount is diametric(al) 8 μ m;
3) roughness Ra 0.05 μ m, circularity improves 30%,<1 μ m, and percent ripple improves 30%,<1 μ m;
4) spherical roller is contained on the elevator bearing, and noise does not more reduce by 30% during superfinishing and reaches customer requirements.
The foregoing is only the explanation embodiments of the present invention; be not limited to the present invention, for a person skilled in the art, within the spirit and principles in the present invention all; any modification of doing, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (4)
1. outer-diameter superfinishing machine tool for spherical roller, comprise lathe bed, electrical control cabinet, cooling body, also comprise charging and discharging mechanism, the workpiece transmission mechanism, swing mechanism and superfinishing mechanism, described lathe bed is provided with column, on described column, casing is installed, the front portion of described lathe bed is equipped with the workpiece transmission mechanism, described workpiece transmission mechanism rear portion is equipped with column and casing, described swing mechanism comprises that oscillating spindle and oilstone jump into cylinder, on described casing, oscillating spindle is installed, also comprise oscillating motor, reductor, belt pulley, belt, crank mechanism, connecting rod, intermediate connecting rod, described oscillating motor connects reductor, described reductor and crank mechanism pass through belt pulley, belt is connected, described crank mechanism is connected with connecting rod and intermediate connecting rod in turn, described intermediate connecting rod is connected with oscillating spindle, described oscillating spindle axle center has a pull bar and oilstone to jump into cylinder to be connected, it is characterized in that, the front end of described oscillating spindle is equipped with superfinishing mechanism, described oscillating spindle rear portion is equipped with oilstone and jumps into cylinder, described charging and discharging mechanism comprises material loading road and blanking road, also comprise blanking cylinder, the axis of guide, material blocking block, described blanking cylinder left end is fixedly connected with the axis of guide, and described axis of guide left side is installed with material blocking block, and described material blocking block top is provided with the outlet of material loading road, described casing top is equipped with the material loading road, described blanking road is installed on workpiece transmission mechanism bottom, described workpiece transmission mechanism comprises driving motor, carves band more, belt pulley, deflector roll belt pulley and deflector roll, described driving motor connects belt pulley by carving band more, described belt pulley connects one or two deflector roll belt pulley by Timing Belt, and each described deflector roll belt pulley is fixedly connected with a deflector roll, two deflector rolls are one pair, and lathe has one pair or two pairs of deflector rolls, and above-mentioned each mechanism all is placed in full-closed shell, and described case right side is provided with electrical control cabinet.
2. outer-diameter superfinishing machine tool for spherical roller according to claim 1, is characterized in that, each described deflector roll is provided with one or two processing stations.
3. outer-diameter superfinishing machine tool for spherical roller according to claim 1, is characterized in that, described crank mechanism is provided with eccentric shoe.
4. outer-diameter superfinishing machine tool for spherical roller according to claim 1, it is characterized in that, described superfinishing mechanism comprises superfinishing head and oilstone device of wear compensation, described superfinishing crown section is provided with oilstone wear-compensating cylinder, and described oilstone wear-compensating cylinder one side is provided with the depression bar of controlling oilstone.
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| CN 201110280555 CN102303279B (en) | 2011-09-20 | 2011-09-20 | Outer-diameter superfinishing machine tool for spherical roller |
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| CN 201110280555 CN102303279B (en) | 2011-09-20 | 2011-09-20 | Outer-diameter superfinishing machine tool for spherical roller |
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| CN102303279B true CN102303279B (en) | 2013-12-18 |
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Cited By (1)
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|---|---|---|---|---|
| CN103769992A (en) * | 2014-01-21 | 2014-05-07 | 濮阳贝英数控机械设备有限公司 | Automatic adjusting mechanism of swinging angle in double-row spherical superfinishing and use method thereof |
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| CN103769992A (en) * | 2014-01-21 | 2014-05-07 | 濮阳贝英数控机械设备有限公司 | Automatic adjusting mechanism of swinging angle in double-row spherical superfinishing and use method thereof |
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| CN102303279A (en) | 2012-01-04 |
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