CN104889502A - Large gear grinding machine grinding wheel rack rotation device and rotation control method thereof - Google Patents
Large gear grinding machine grinding wheel rack rotation device and rotation control method thereof Download PDFInfo
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- CN104889502A CN104889502A CN201510243991.0A CN201510243991A CN104889502A CN 104889502 A CN104889502 A CN 104889502A CN 201510243991 A CN201510243991 A CN 201510243991A CN 104889502 A CN104889502 A CN 104889502A
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Abstract
The invention provides a large gear grinding machine grinding wheel rack rotation device and a rotation control method thereof. The device comprises a rotation cylinder, a rotation seat, a spindle, a dual-lead clearance elimination worm gear, a circular grating, a grinding wheel rack, a clamping mechanism and an unloading mechanism. the spindle and the rotation seat are fixed firmly through bolts, the rotation cylinder is supported on the spindle through a group of rolling bearings, the grinding wheel frame is directly connected with the rotation cylinder and is rotated by the driving of the dual-lead clearance elimination worm gear, the rotation position is controlled by the circular grating, and the grinding wheel rack can be locked on the rotation seat through the clamping mechanism. By means of the device and the method, the requirements for high rigid support, stable and flexible moving and accurate location of large gear grinding machine grinding wheel racks can be met.
Description
Technical field
The invention belongs to Digit Control Machine Tool field, be specifically related to a kind of large-scale gear grinding machines grinding carriage slewing equipment and revolving-control method thereof.
Background technology
Gear grinding machines grinding carriage is provided with grinding spindle, and trimming device and other annexes, load is asymmetric, is in the state of laying particular stress on.During grinding helical gear, grinding carriage needs to turn round certain angle, wheel grinding incision direction and teeth groove helical angle are adapted, so more exacerbate the asymmetric of load, especially during grinding large gear, because module is large, tooth depth is large, formed grinding wheel diameter used reaches 500 millimeters, and thickness 130 millimeters, grinding load is large.Overcome the load torque and grinding moment of torsion of laying particular stress on and causing, need grinding carriage supporting mechanism to have very high rigidity, guarantee grinding accuracy stability.In addition, in large gear accurate grinding process, need wheel grinding cut-in angle to make micro-accurate adjustment, this needs grinding carriage slew gear to have high sensitivity and accurate position control accuracy.
Existing gear grinding machines grinding carriage slewing equipment, or adopt the first scheme: servomotor direct connection decelerator drive shaft drives grinding carriage revolution; Employing first scheme: torque motor directly drives.
In the first scheme, servomotor needs to bear very large load inertia, and due to structure restriction, drive the pivotal major axis diameter of grinding carriage less, grinding carriage tactical diameter is the several times of major axis diameter, in dragging grinding carriage turning course, by very large torsional load, often there is the phenomenon that grinding carriage is shaken in turning course in base bearing in production practices.
In first scheme, torque motor is adopted directly to drive, turntable bearings.Torque motor is in inactive state, and output torque declines rapidly, and in grinding process, grinding carriage is static, and torque motor reduces the support performance of grinding carriage.In addition, revolving bed overhangs longer, and table top bearing is arranged on revolving bed front end, load on grinding carriage is directly made by table shaft and is used in revolving bed front end, and revolving bed support is positioned at rear end, makes revolving bed bear larger bending moment of torsion like this, affect grinding accuracy.
For large-scale gear grinding machines, grinding carriage load is large, relies on a turntable bearings revolution, is difficult to meet high rigid requirements.Circular gratings is arranged on revolving bed rear end by a jackshaft, and distance controlling target is far away, due to alignment error, and the beat of jackshaft, precision is poor, is difficult to realize high accuracy, high sensitivity controls.
Summary of the invention
The object of the present invention is to provide a kind of large-scale gear grinding machines grinding carriage slewing equipment and revolving-control method thereof.
For achieving the above object, present invention employs following technical scheme:
A kind of large-scale gear grinding machines grinding carriage slewing equipment, this grinding carriage slewing equipment comprise rotating cylinder, revolving bed, main shaft, grinding carriage, for locate grinding carriage angle of revolution several clamp systems and in grinding carriage revolution by several unloading mechanisms of the outside pushing tow grinding carriage in the front end face bottom of revolving bed, described main shaft is fixed on revolving bed, rotating cylinder is held by one group of high rigidity shaft and is supported on main shaft, the rear end face of grinding carriage is connected with rotating cylinder, and the front end face of revolving bed is relative with the rear end face of grinding carriage and form rail plate pair.
It is secondary that described grinding carriage slewing equipment also comprises two helical pitch anti-backlash worm wheel, and servomotor drives rotating cylinder revolution by two helical pitch anti-backlash worm wheel pair.
Described servomotor is band-type brake motor, and described pair of helical pitch anti-backlash worm wheel pair is arranged on away from grinding carriage center of gravity side.
Described grinding carriage slewing equipment also comprises the Circular gratings for controlling grinding carriage position of rotation being arranged on front-end of spindle.
Described one group of high rigidity shaft is contracted to draw together and is arranged at taper roll bearing on main shaft and Biserial cylindrical roller bearing, taper roll bearing is arranged on the rear end of main shaft, Biserial cylindrical roller bearing is arranged between taper roll bearing and described Circular gratings, and the bearing group that rotating cylinder consists of Biserial cylindrical roller bearing and taper roll bearing is supported on main shaft.
Described revolving bed is double-deck gusset tubular structure, the front end face of revolving bed offers radial groove, the front end face even partition of revolving bed is many parts by described groove, and clamp system is arranged in the front end face corresponding region of revolving bed after singulation, is provided with compressed air discharge conduit in described groove.
Described clamp system comprises the clamping cylinder be arranged in the front end of revolving bed, be arranged at the clamp system piston cooperatively interacted in clamping cylinder and disc spring, and the clamping pull bar to be connected with clamp system piston, the rear end face of grinding carriage offers ring-type T-slot, described clamping pull bar front end is arc-shaped T-type structure, clamping pull bar is stretched out by the front end face of revolving bed, and the front end of clamping pull bar to be inserted in ring-type T-slot and formed matched in clearance with ring-type T-slot.
Described unloading mechanism comprises the body shell being arranged on revolving bed front end inner bottom part, the unloading mechanism piston be arranged in body shell, and the push rod to be connected with unloading mechanism piston, the front end of push rod is provided with the off-load rolling bearing that can relatively with the rear end face of grinding carriage roll, off-load rolling bearing is stretched out by the front end face of revolving bed or regains, front end in body shell is provided with piston limit step, rear end in body shell is provided with the piston alignment pin coordinated with push rod rear end, and the disc spring through pretension is arranged between unloading mechanism piston and off-load rolling bearing.
The revolving-control method of above-mentioned large-scale gear grinding machines grinding carriage slewing equipment, comprises the following steps:
1) described clamp system is utilized to be located along predetermined angular position by grinding carriage and be clamped on revolving bed;
2) when needs rotate grinding carriage again, described clamp system stops clamping grinding carriage, then at the front end face release compressed air of revolving bed, meanwhile, the outside pushing tow grinding carriage of described unloading mechanism, then rotating cylinder is driven to drive grinding carriage to rotate, after grinding carriage turns to new predetermined angular position, unloading mechanism is made to stop pushing tow grinding carriage, simultaneously, stop at the front end face release compressed air of revolving bed, then according to step 1) grinding carriage is positioned and clamps.
Beneficial effect of the present invention is embodied in:
Grinding carriage in the present invention is directly by main shaft support, grinding carriage rigidity of support can be improved, promote speed of gyration and rotating accuracy, in the present invention, main shaft and revolving bed are rigidly connected, grinding carriage load can rigid of transmission to revolving bed rear end, position is supported near revolving bed, the rigid of transmission of realizable force, avoid the torsional deformation of revolving bed, in the present invention, main shaft is fixed, drum rotation, the maximum driving arm of force can be realized in limited space, in the present invention, unloading mechanism ejects slightly by bottom grinding carriage rear end face guide rail, make grinding carriage rear end guide pass pressure distribution even, simultaneously in conjunction with the pneumatic off-load of compressed air, grinding carriage is made to turn round steadily, smooth, thus, the present invention can meet large-scale gear grinding machines grinding carriage high rigid support, steady flexible motion, and pinpoint requirement.
Further, in the present invention, Circular gratings is arranged on front-end of spindle, and be positioned at grinding carriage guide pass, Abbe error is little, can obtain higher control accuracy.
Further, in the present invention, revolving bed end face guide rail is divided into some parts, described clamp system is arranged in the front end face corresponding region of revolving bed after singulation, when clamping, clamping pull bar and ring-type T-slot surrounding faying face can obtain higher contact strength, improve clamping effect, when avoiding the clamping of employing integrated guide rail face, the rotating accuracy that clamping force inequality and part's machining errors cause loses problem.
Further, clamp tie rod end in the present invention and adopt arc-shaped T-type structure, during tension, contact area rate general T type structure is twice, and can improve clamping force.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is clamp system of the present invention and unloading mechanism distribution schematic diagram;
Fig. 3 is the structural representation of unloading mechanism of the present invention;
Fig. 4 is the structural representation of clamp system of the present invention;
Fig. 5 is the structural representation of the arc-shaped T-type structure of clamping pull bar of the present invention;
Fig. 6 is the structural representation of revolving bed of the present invention;
Fig. 7 is the structural representation of grinding carriage of the present invention;
In figure: rotating cylinder 1, revolving bed 2, main shaft 3, two helical pitch anti-backlash worm wheel pair 4, Circular gratings 5, grinding carriage 6, clamping pull bar 7, clamp system 8, unloading mechanism 9, piston alignment pin 10, body shell 11, unloading mechanism piston 12, push rod 13, disc spring 14, off-load rolling bearing 15, disc spring 16, clamp system piston 17, clamping cylinder 18, ring-type T-slot 19, groove 20, unloading mechanism telescopic hole 21, clamp system telescopic hole 22, Biserial cylindrical roller bearing 23, taper roll bearing 24, arc-shaped T-type structure 25.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is elaborated.
See Fig. 1 ~ Fig. 7, large-scale gear grinding machines grinding carriage slewing equipment of the present invention comprises rotating cylinder 1, revolving bed 2, main shaft 3, grinding carriage 6, Circular gratings 5, two helical pitch anti-backlash worm wheel pair 4, for locate grinding carriage angle of revolution several clamp systems 8 and in grinding carriage revolution by several unloading mechanisms 9 of the outside pushing tow grinding carriage in the front end face bottom of revolving bed, described main shaft 3 is fixed on revolving bed 2, described Circular gratings 5 is arranged on main shaft 3 front end, grinding carriage position of rotation is controlled by Circular gratings, Circular gratings 5 is near grinding carriage 6, reduce Abbe error, true and reliable feedback grinding carriage physical location, improve control accuracy.Main shaft 3 is provided with taper roll bearing 24 and Biserial cylindrical roller bearing 23, taper roll bearing 24 is arranged on the rear end of main shaft 3, Biserial cylindrical roller bearing 23 is arranged between taper roll bearing 24 and described Circular gratings 5, and the bearing group that rotating cylinder 1 consists of Biserial cylindrical roller bearing 23 and taper roll bearing 24 is supported on main shaft 3.The rear end face of grinding carriage 6 is connected with rotating cylinder 1, and the front end face of revolving bed 2 is relative with the rear end face of grinding carriage 6, forms rail plate secondary.Servomotor drives rotating cylinder by two helical pitch anti-backlash worm wheel pair, realizes grinding carriage revolution.Described servomotor is band-type brake motor, can be turned back to target location finger lock worm screw, improve rigidity further at grinding carriage; According to force analysis, the worm screw of described pair of helical pitch anti-backlash worm wheel pair is arranged on away from grinding carriage center of gravity side, makes the load torque power be applied on worm screw be axial compressive force, improves stability.
Described revolving bed 2 is double-deck gusset cylinder-like structure, the front end face of revolving bed 2 radially offers groove 20, the front end face even partition of revolving bed is many parts by groove 20, segmentation number is equal with described clamp system quantity, namely described clamp system 8 is arranged in the front end face corresponding region of revolving bed after singulation, is provided with compressed air discharge conduit in described groove 20.Described clamp system 8 is hydraulic clamp, disc spring is loosened, comprise the clamping cylinder 18 in the front end being arranged at revolving bed 2, be arranged at the clamp system piston 17 cooperatively interacted in clamping cylinder and disc spring 16, and the clamping pull bar 7 to be connected with clamp system piston, the rear end face of grinding carriage 6 offers ring-type T-slot 19, described clamping pull bar 7 front end is arc-shaped T-type structure 25, clamping pull bar 7 is stretched out by the front end face of revolving bed 6, the front end of clamping pull bar 7 to be inserted in described ring-type T-slot 19 and to form matched in clearance with ring-type T-slot, grinding carriage is locked on revolving bed by clamp system.Described unloading mechanism 9 comprises the body shell 11 being arranged on revolving bed front end inner bottom part, be arranged on the unloading mechanism piston 12 in body shell, and the push rod 13 to be connected with unloading mechanism piston, the front end of push rod 13 is provided with the off-load rolling bearing 15 that can relatively with the rear end face of grinding carriage 6 roll, off-load rolling bearing 15 is stretched out by the front end face of revolving bed 2 or regains, front end in body shell 11 is provided with piston limit step, rear end in body shell 11 is provided with the piston alignment pin 10 coordinated with push rod rear end, disc spring 14 through pretension is arranged between unloading mechanism piston 12 and off-load rolling bearing 15.
The revolving-control method of above-mentioned large-scale gear grinding machines grinding carriage slewing equipment, comprises the following steps:
1) described clamp system 8 is utilized to be located along predetermined angular position by grinding carriage 6 and be clamped on revolving bed 2;
2) when needs rotate grinding carriage 6 again, described clamp system 8 stops clamping grinding carriage 6, then at the front end face release compressed air of revolving bed 2, meanwhile, described unloading mechanism 9 is pushing tow grinding carriage 6 outwards, then rotating cylinder 1 is driven to drive grinding carriage 6 to rotate, after grinding carriage 6 turns to new predetermined angular position, unloading mechanism 9 is made to stop pushing tow grinding carriage 6, simultaneously, stop at the front end face release compressed air of revolving bed 2, then according to step 1) grinding carriage 6 is positioned and clamps.
Specifically, when grinding carriage 6 needs to rotate, in the clamping cylinder 18 of described clamp system 8, oil pressure sheds, clamping pull bar 7 moves with clamp system piston 17 and protruding, clamping pull bar 7 front end is loosened, in unloading mechanism 9, unloading mechanism piston 12 drives push rod 13 to eject at oil pressure move under influence, overcome because grinding carriage center of gravity is forward, at the pressure that grinding carriage circular guideway face Lower Half is formed, grinding carriage circular guideway surface pressure is evenly distributed, compressed air sprays from groove 20, air cushion is formed between grinding carriage circular guideway face and revolving bed guide pass (i.e. revolving bed front end face), after preparation completes, the two helical pitch anti-backlash worm wheel secondary 4 of driven by servomotor drives grinding carriage 6 steadily to turn round, the off-load rolling bearing 15 of push rod 13 end againsts grinding carriage rear end guide pass and rolls, in grinding carriage turning course, ensure that whole grinding carriage circular guideway surface pressure is evenly distributed, after grinding carriage 6 rotates and arrives target location, compressed air sheds, unloading mechanism 9 pressure oil sheds, pressure oil is passed in clamp system 8, the action of clamping pull bar 7, grinding carriage 6 is locked on revolving bed 2, push rod 13 is regained.
Embodiment
As shown in Figure 1, a kind of large-scale gear grinding machines grinding carriage slewing equipment, comprises rotating cylinder 1, revolving bed 2, main shaft 3, two helical pitch anti-backlash worm wheel pair 4, Circular gratings 5, grinding carriage 6, clamp system 8 and unloading mechanism 9.Main shaft 3 is connected with revolving bed 2 bolted (being rigidly connected).Rotating cylinder 1 is supported on main shaft 3 by Biserial cylindrical roller bearing 23 and taper roll bearing 24, grinding carriage 6 is directly connected with rotating cylinder 1, rotating cylinder 1 is driven by two helical pitch anti-backlash worm wheel secondary 4, realize grinding carriage revolution, position of rotation is controlled by Circular gratings 5, and is locked on revolving bed 2 by clamp system 8 is firm.Grinding carriage 6 directly supports with main shaft 3, and rigidity is high; Main shaft is fixed, and bearing outer ring rotates, and can realize the maximum driving arm of force in limited space; Circular gratings is arranged on front-end of spindle, and near grinding carriage guide pass, Abbe error is little, can obtain higher control accuracy.
As shown in Figure 1, main shaft 3 and revolving bed 2 are rigidly connected by screw.The load of such grinding carriage 6 can rigid of transmission to revolving bed rear end, near revolving bed support position, the rigid of transmission of realizable force, avoids the torsional deformation of revolving bed.
When grinding carriage needs to rotate, in clamp system 8, oil pressure sheds, clamping pull bar 7 loosens, in unloading mechanism 9, push rod 13 ejects, grinding carriage circular guideway surface pressure is evenly distributed, compressed air sprays from the groove of revolving bed 2 guide pass, between circular guideway face, form air cushion, after preparation completes, the two helical pitch anti-backlash worm wheel secondary 4 of driven by servomotor drives grinding carriage steadily to turn round, after arriving target location, compressed air sheds, and unloading mechanism 9 pressure oil sheds, and clamp system 8 passes into pressure oil, the action of clamping pull bar 7, is locked at grinding carriage on revolving bed 2.
As shown in Figure 2 and Figure 3, be symmetrically installed with grinding carriage revolution load unloading mechanism 9 in revolving bed 2 front bottom end, unloading mechanism 9 comprises piston alignment pin 10, body shell 11, unloading mechanism piston 12, push rod 13, disc spring 14 and off-load rolling bearing 15.After clamp system 8 loosens, pressure oil is passed in body shell 11, unloading mechanism piston 12 moves and arrives the limited step of body shell inside, now disc spring 14 is compressed, push rod 13 ejects, and the off-load rolling bearing 15 of push rod 13 end againsts grinding carriage rear end guide pass and rolls, and grinding carriage lower end laminating guide pass and revolving bed guide pass is thrown off, whole grinding carriage circular guideway surface pressure is evenly distributed, ensures that grinding carriage revolution is steadily smooth.
Grinding carriage entirety becomes overhanging state, causes guide rail binding face Lower Half load between revolving bed and grinding carriage large, if clamping pull bar unclamps rear grinding carriage just start revolution, because between guide pass, pressure is large, skewness, easily produces shake, can cause the occlusion of circular guideway face, plucking.After increasing unloading mechanism, after clamping pull bar loosens, grinding carriage ejects by unloading mechanism slightly, and whole circular guideway surface pressure is evenly distributed, then passes into compressed air, grinding carriage just can operate flexibly.
As shown in Figure 4, clamp system 8 is hydraulic clamp, and disc spring is loosened.During clamping, pass into hydraulic oil in clamping cylinder 18, clamp system piston 17 drives clamping pull bar 7 to move backward and realizes clamping, and compress disc spring 16, be relaxing exercise energy reserve simultaneously.Adopt hydraulic clamp, the constant ripple disable of clamping force, dynamics is adjustable, overcomes the elastic deformation of disc spring clamping force under grinding exciting.
As shown in Figure 5, clamping pull bar 7 end is arc-shaped T-type structure, increases one times, clamp more reliable than the pull bar clamping area of ordinary rectangular T-slot structure.
As shown in Figure 6, described revolving bed 2 is double-deck gusset cylinder-like structure, and its end face radially has groove, and guide pass even partition is many parts, and dividing number is equal with clamp system 8 quantity, and has compressed air line in groove.
Double-deck gusset cylinder-like structure torsional rigidity is high, in heavy load grinding situation, can effective propping sand wheel carrier, and raising system rigidity; End face is divided into many parts, and when making clamping, pull bar surrounding faying face can obtain higher contact strength, improves clamping effect, avoids entirety when stepping up, and the rotating accuracy that the uneven and part's machining errors of clamping force causes loses problem.Process compressed air line in groove, pass into compressed air during grinding carriage revolution, form air cushion, ensureing that grinding carriage steadily turns round without creeping, improve revolution sensitivity, and can prevent foreign matter from entering guide pass.
As shown in Figure 7, grinding carriage 6 rear end face has ring-type T-slot, and the arc-shaped T-type structure of clamping pull bar 7 end inserts in ring-type T-slot and forms matched in clearance.
Clamp system 8 is circular distribution on revolving bed.
Claims (9)
1. one kind large-scale gear grinding machines grinding carriage slewing equipment, it is characterized in that: this grinding carriage slewing equipment comprises rotating cylinder (1), revolving bed (2), main shaft (3), grinding carriage (6), for locate grinding carriage angle of revolution several clamp systems (8) and in grinding carriage revolution by several unloading mechanisms (9) of the outside pushing tow grinding carriage in the front end face bottom of revolving bed, described main shaft (3) is fixed on revolving bed (2), rotating cylinder (1) is held by one group of high rigidity shaft and is supported on main shaft (3), the rear end face of grinding carriage (6) is connected with rotating cylinder (1), the front end face of revolving bed (2) is relative with the rear end face of grinding carriage (6) and form rail plate pair.
2. a kind of large-scale gear grinding machines grinding carriage slewing equipment according to claim 1, is characterized in that: described grinding carriage slewing equipment also comprises two helical pitch anti-backlash worm wheel pair (4), and servomotor drives rotating cylinder revolution by two helical pitch anti-backlash worm wheels pair.
3. a kind of large-scale gear grinding machines grinding carriage slewing equipment according to claim 2, it is characterized in that: described servomotor is band-type brake motor, described pair of helical pitch anti-backlash worm wheel pair (4) is arranged on away from grinding carriage (6) center of gravity side.
4. a kind of large-scale gear grinding machines grinding carriage slewing equipment according to claim 1, is characterized in that: described grinding carriage slewing equipment also comprises the Circular gratings (5) for controlling grinding carriage position of rotation being arranged on main shaft (3) front end.
5. a kind of large-scale gear grinding machines grinding carriage slewing equipment according to claim 4, it is characterized in that: described one group of high rigidity shaft is contracted to draw together and is arranged at taper roll bearing (24) on main shaft (3) and Biserial cylindrical roller bearing (23), taper roll bearing (24) is arranged on the rear end of main shaft (3), Biserial cylindrical roller bearing (23) is arranged between taper roll bearing (24) and described Circular gratings (5), the bearing group that rotating cylinder (1) consists of Biserial cylindrical roller bearing (23) and taper roll bearing (24) is supported on main shaft (3).
6. a kind of large-scale gear grinding machines grinding carriage slewing equipment according to claim 1, it is characterized in that: described revolving bed (2) is double-deck gusset tubular structure, the front end face of revolving bed (2) offers radial groove (20), the front end face even partition of revolving bed is many parts by described groove (20), clamp system (8) arranges that in the front end face corresponding region of revolving bed after singulation, described groove is provided with compressed air discharge conduit in (20).
7. a kind of large-scale gear grinding machines grinding carriage slewing equipment according to claim 1, it is characterized in that: described clamp system (8) comprises the clamping cylinder (18) be arranged in the front end of revolving bed, be arranged at the clamp system piston (17) cooperatively interacted in clamping cylinder and disc spring (16), and the clamping pull bar (7) to be connected with clamp system piston, the rear end face of grinding carriage (6) offers ring-type T-slot (19), described clamping pull bar front end is arc-shaped T-type structure (25), clamping pull bar (7) is stretched out by the front end face of revolving bed, the front end of clamping pull bar (7) to be inserted in ring-type T-slot (19) and is formed matched in clearance with ring-type T-slot.
8. a kind of large-scale gear grinding machines grinding carriage slewing equipment according to claim 1, it is characterized in that: described unloading mechanism (9) comprises the body shell (11) being arranged on revolving bed front end inner bottom part, be arranged on the unloading mechanism piston (12) in body shell, and the push rod (13) to be connected with unloading mechanism piston, the front end of push rod (13) is provided with the off-load rolling bearing (15) that can relatively with the rear end face of grinding carriage (6) roll, off-load rolling bearing (15) is stretched out by the front end face of revolving bed or regains, front end in body shell (11) is provided with piston limit step, rear end in body shell (11) is provided with the piston alignment pin (10) coordinated with push rod rear end, disc spring (14) through pretension is arranged between unloading mechanism piston (12) and off-load rolling bearing (15).
9. a revolving-control method for large-scale gear grinding machines grinding carriage slewing equipment as claimed in claim 1, is characterized in that: comprise the following steps:
1) described clamp system (8) is utilized to be located along predetermined angular position by grinding carriage (6) and be clamped on revolving bed (2);
2) when needs rotate grinding carriage (6) again, described clamp system (8) stops clamping grinding carriage (6), then at the front end face release compressed air of revolving bed (2), simultaneously, described unloading mechanism (9) is pushing tow grinding carriage (6) outwards, then rotating cylinder (1) is driven to drive grinding carriage (6) to rotate, after grinding carriage (6) turns to new predetermined angular position, unloading mechanism (9) is made to stop pushing tow grinding carriage (6), simultaneously, stop at the front end face release compressed air of revolving bed (2), then according to step 1) grinding carriage (6) is positioned and clamped.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510243991.0A CN104889502B (en) | 2015-05-13 | 2015-05-13 | Large-scale gear grinding machines grinding carriage slewing equipment and its revolving-control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510243991.0A CN104889502B (en) | 2015-05-13 | 2015-05-13 | Large-scale gear grinding machines grinding carriage slewing equipment and its revolving-control method |
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| CN104889502A true CN104889502A (en) | 2015-09-09 |
| CN104889502B CN104889502B (en) | 2017-07-07 |
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| CN201510243991.0A Active CN104889502B (en) | 2015-05-13 | 2015-05-13 | Large-scale gear grinding machines grinding carriage slewing equipment and its revolving-control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352527A (en) * | 2018-11-21 | 2019-02-19 | 上海机床厂有限公司 | The high-precision grinding carriage capstan head of locking device |
| CN112828611A (en) * | 2021-01-04 | 2021-05-25 | 南通永锠数控机械科技有限公司 | Automatic rotation mechanism-based automatic rotation method for milling power head |
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| US5857894A (en) * | 1996-06-25 | 1999-01-12 | Reishauer Ag | Grinding machine for the grinding of spur or helica gear--wheels |
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| CN202344053U (en) * | 2011-11-25 | 2012-07-25 | 三门峡市开创机械设备有限责任公司 | Throw-away worm grinding wheel numerical control gear grinding machine |
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| EP0282046A2 (en) * | 1987-03-10 | 1988-09-14 | Liebherr-Verzahntechnik GmbH | Machine tool for finishing the tooth flanks of roughly cut gears |
| US5857894A (en) * | 1996-06-25 | 1999-01-12 | Reishauer Ag | Grinding machine for the grinding of spur or helica gear--wheels |
| EP1584393A1 (en) * | 2004-04-06 | 2005-10-12 | The Gleason Works | Method of dressing a substantially cylindrical grinding worm |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109352527A (en) * | 2018-11-21 | 2019-02-19 | 上海机床厂有限公司 | The high-precision grinding carriage capstan head of locking device |
| CN112828611A (en) * | 2021-01-04 | 2021-05-25 | 南通永锠数控机械科技有限公司 | Automatic rotation mechanism-based automatic rotation method for milling power head |
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| Publication number | Publication date |
|---|---|
| CN104889502B (en) | 2017-07-07 |
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