CN117644215A - Roller bearing groove turning device - Google Patents
Roller bearing groove turning device Download PDFInfo
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- CN117644215A CN117644215A CN202311822911.8A CN202311822911A CN117644215A CN 117644215 A CN117644215 A CN 117644215A CN 202311822911 A CN202311822911 A CN 202311822911A CN 117644215 A CN117644215 A CN 117644215A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 210000001847 jaw Anatomy 0.000 claims abstract description 17
- 210000003781 tooth socket Anatomy 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims description 25
- 238000004804 winding Methods 0.000 claims description 15
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 230000006698 induction Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a roller bearing groove turning device, and relates to the technical field of turning; to solve the problem of damage; the device comprises a base, wherein the top of the base is in transmission fit with a first sliding frame and a second sliding frame through a counter driving mechanism, a clamping mechanism is arranged at the top of the first sliding frame, and a turning mechanism is arranged at the top of the second sliding frame; the clamping mechanism adopts a three-jaw chuck structure, and an expanding chuck is arranged at the inner side end part of a jaw of the three-jaw chuck. According to the invention, the outer wall of the outer ring can be clamped simultaneously by the contact rod and the clamping arm by arranging the expansion chuck, so that the contact point is increased, the clamping pressure is reduced, the outer ring is prevented from deforming, the linkage of the contact rod and the clamping arm is realized by utilizing the first gear and the first tooth socket, on one hand, the outer rings with different diameters can be clamped, and on the other hand, the rigid clamping can be realized in the clamping state, so that the clamping stability is increased.
Description
Technical Field
The invention relates to the technical field of turning, in particular to a roller bearing groove turning device.
Background
The roller bearing is one of the common bearings, and consists of an outer ring, an inner ring, rollers and a retainer, wherein the rollers are matched between the outer ring and the inner ring, so that in order to prevent the rollers from being matched and offset, grooves matched with the rollers are required to be formed in the inner wall of the outer ring, so that the rollers are positioned along the axial direction of the bearing, and the grooves are machined by adopting a lathe for turning.
Through retrieval, the patent with the Chinese patent publication number of CN105215757B discloses a lathe fixture and a lathe, wherein the lathe fixture comprises a fixture shell and a fixture main body, the fixture main body comprises a plurality of cylindrical chucks, the cylindrical chucks are uniformly distributed along the circumferential direction of the fixture shell, and the center line of the cylindrical chucks extends along the axial direction of the fixture shell; the clamp comprises a clamp shell, a cylindrical chuck, a plurality of threaded holes, bolts, a plurality of bolts and a plurality of bolts, wherein the positions of the clamp shell corresponding to the cylindrical chucks are respectively provided with the threaded holes; the clamp body is provided with a connecting part and a clamping part, the connecting part and the clamping part are coaxially arranged, and the connecting part is inserted into the clamp shell.
The above patent suffers from the following disadvantages: the three cylindrical chucks are utilized for clamping, and the workpiece is also subjected to rotary acting force during turning, so that relatively large clamping force is required for ensuring that the workpiece is static relative to the chucks, and the three cylindrical chucks have fewer contact points with the workpiece, so that the contact area is small, the pressure of the clamping point is large, and the workpiece is at risk of deformation.
Therefore, the invention provides a roller bearing groove turning device.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a roller bearing groove turning device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a roller bearing groove turning device comprises a base,
the top of the base is in transmission fit with a first sliding frame and a second sliding frame through a counter driving mechanism, a clamping mechanism is arranged at the top of the first sliding frame, and a turning mechanism is arranged at the top of the second sliding frame;
the clamping mechanism adopts a three-jaw chuck structure, an expansion chuck is arranged at the inner end part of a jaw of the three-jaw chuck, the expansion chuck comprises a pushing rod which is in sliding fit with the inner wall of the jaw and two clamping arms which are symmetrically and rotationally connected to the outer side of the jaw, a first gear is fixed on the side wall of each clamping arm, a first tooth slot which is formed in the outer wall of the pushing rod is meshed with the side wall of the first gear, and the end part of the first tooth slot is connected to the inner wall of the jaw through a spring.
Preferably: the turning mechanism comprises a main shaft which is rotationally connected to the inner wall of the second sliding frame, and an induction type driving assembly, a combined transmission assembly and a feeding type cutter assembly which are arranged on the outer sides of the second sliding frame and the main shaft.
Further: the feeding cutter assembly comprises cutting blades symmetrically and slidably connected to the inner wall of the main shaft, a sliding ring axially and slidably connected to the outer wall of the main shaft and a threaded ring in threaded connection with the outer wall of the main shaft, a connecting rod is fixed to the side wall of the sliding ring, a guide chute is arranged on the inner wall of the cutting blades, and the connecting rod is movably and limitedly matched with the inner wall of the guide chute through a limiting protrusion.
Based on the scheme: the outer wall of the main shaft is provided with a key-shaped groove I, and the sliding ring is in clearance fit with the inner wall of the key-shaped groove I through a key-shaped protrusion I welded on the inner side wall of the sliding ring.
Among the foregoing, the preferred one is: the combined transmission assembly comprises an outer gear ring, a sun gear and a plurality of planet gears, wherein the outer gear ring is fixed on the side wall of the second sliding frame, the sun gear is fixed on the outer wall of the main shaft, the planet gears are meshed with the outer gear ring and the opposite sides of the sun gear, and the planet gears are connected to the end face of the threaded ring through telescopic guide shafts.
As a further scheme of the invention: all one sides of the planet gears are rotationally connected with the same planet carrier, the planet carrier is rotationally connected to the inner wall of the outer gear ring, the inner wall of the second sliding frame is rotationally connected with a driving ring, tooth grooves II are formed in the inner side and the outer side of the driving ring, the tooth grooves II on the inner side can be meshed with the side wall of the sun gear, and teeth capable of being meshed with the tooth grooves II are formed in the inner side wall of the planet carrier.
Meanwhile, the side wall of the carriage, which is located at the periphery of the driving ring, is rotationally connected with the driving ring, a key-shaped groove II is formed in the outer wall of the driving ring, the driving ring is in clearance fit with the key-shaped groove II through a key-shaped protrusion II welded at the inner side of the driving ring, a motor I is fixed on the side wall of the end part of the carriage II through a bolt, a driving shaft is fixed on the outer wall of an output shaft of the motor I through a bolt, and the driving shaft is in transmission fit with the driving ring through a driving belt.
As a preferred embodiment of the present invention: the end face of the driving ring is fixed with a permanent magnet, and the side wall of the carriage, which is positioned at the permanent magnet, is fixed with an electromagnet which is coaxially arranged with the permanent magnet through a bolt.
Meanwhile, a rotor core is fixed on the outer wall of the driving shaft, a stator winding matched with the rotor core is fixed on the side wall of the sliding frame, which is positioned at the outer side of the rotor core, and an output terminal of the stator winding is connected with an input terminal of the permanent magnet.
As a more preferable scheme of the invention: the opposite direction driving mechanism comprises a second motor, a bidirectional screw rod and a guide slide rod, wherein the guide slide rod is fixed on the inner side wall of the base, the guide slide rod is connected to the inner wall of the first carriage and the inner wall of the second carriage in a sliding manner, the bidirectional screw rod is rotationally connected to the inner wall of the base, the symmetrical two sides of the bidirectional screw rod are respectively connected to the inner wall of the first carriage and the inner wall of the second carriage through threads opposite in rotation directions, the second motor is fixed on the side wall of the base through bolts, and an output shaft of the second motor is connected to the end part of the bidirectional screw rod through a coupling.
The beneficial effects of the invention are as follows:
1. according to the invention, the outer wall of the outer ring can be clamped simultaneously by the contact rod and the clamping arm by arranging the expansion chuck, so that the contact point is increased, the clamping pressure is reduced, the outer ring is prevented from deforming, the linkage of the contact rod and the clamping arm is realized by the first gear and the first tooth socket, on one hand, the outer rings with different diameters can be clamped, and on the other hand, the rigid clamping can be realized in the clamping state, so that the clamping stability is improved.
2. According to the invention, by utilizing the planetary gear set consisting of the planet gears, the outer gear ring and the sun gear, on one hand, the high-speed driving of the main shaft is realized, and on the other hand, the decelerating rotation of the threaded ring is realized, so that the mutual correlation between the rotation speed and the feeding speed of the cutting blade is realized, the situations of increased energy consumption and low turning quality caused by the rapid rotation speed and the slow feeding speed of the cutting blade are prevented, and the cutting quality is increased.
3. According to the invention, the driving ring is additionally arranged, and the tooth grooves II arranged on the inner side and the outer side can be respectively and not simultaneously meshed with the sun gear and the planet carrier, so that under the condition that the rotating speed of the driving ring is constant, the cutting at normal speed can be realized, the acceleration of the tool withdrawal process can be realized, and the whole cutting efficiency is increased.
4. According to the invention, by utilizing the characteristic that the rotation directions of the first motor in the turning and retracting processes are different, the stator winding and the rotor core are utilized to carry out steering induction, the induced voltage is applied to the permanent magnet, and the magnetic force of the permanent magnet and the electromagnet is utilized to realize the control of the position of the transmission ring, so that the automatic switching of the transmission modes of the two processes can be realized.
5. When the motor II is started, the motor II can drive the bidirectional screw rod to rotate, so that the carriage I and the carriage II are driven to move reversely at the same speed, the relative speed of the carriage I and the carriage II can be increased, and the stroke efficiency can be increased under the condition that the driving speed of the motor II is unchanged, so that the processing efficiency is increased.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a roller bearing groove turning device according to the present invention;
fig. 2 is a schematic structural diagram of a clamping mechanism of a roller bearing groove turning device according to the present invention;
FIG. 3 is a schematic cross-sectional view of a clamping mechanism of a roller bearing groove turning apparatus according to the present invention;
FIG. 4 is a schematic diagram of a turning mechanism of a roller bearing groove turning device according to the present invention;
FIG. 5 is a schematic cross-sectional view of a cutter assembly of a roller bearing groove turning apparatus according to the present invention;
FIG. 6 is a schematic cross-sectional view of a roller bearing groove turning apparatus of the present invention;
FIG. 7 is a schematic diagram of a cross-sectional structure of an induction-driven assembly of a roller bearing groove turning apparatus according to the present invention;
FIG. 8 is a schematic diagram of a cross-sectional structure of an induction driving assembly of a roller bearing groove turning apparatus according to the present invention;
fig. 9 is a schematic structural diagram of a counter driving mechanism of a roller bearing groove turning device according to the present invention.
In the figure: 1. a base; 2. a first sliding frame; 3. a second carriage; 4. turning mechanism; 5. a clamping mechanism; 6. a counter drive mechanism; 7. a three-jaw chuck; 8. a claw; 9. expanding the chuck; 10. a spring; 11. a first gear; 12. a clamp arm; 13. tooth sockets I; 14. a touch-up rod; 15. an inductive drive assembly; 16. a joint transmission assembly; 17. a feed cutter assembly; 18. a main shaft; 19. a cutting blade; 20. a connecting rod; 21. a slip ring; 22. a threaded ring; 23. a key-shaped groove I; 24. a guide chute; 25. a telescopic guide shaft; 26. a planet wheel; 27. an outer ring gear; 28. a planet carrier; 29. a sun gear; 30. a drive ring; 31. a permanent magnet; 32. an electromagnet; 33. a key-shaped protrusion II; 34. a drive ring; 35. a key-shaped groove II; 36. a stator winding; 37. a first motor; 38. a rotor core; 39. a drive shaft; 40. a transmission belt; 41. a second motor; 42. a two-way screw rod; 43. and a guide slide bar.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the specific embodiments.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Example 1
The utility model provides a roller bearing slot turning device, as shown in fig. 1-9, includes base 1, the top of base 1 is through subtended actuating mechanism 6 transmission cooperation has balladeur train one 2 and balladeur train two 3, the top of balladeur train one 2 is provided with fixture 5, the top of balladeur train two 3 is provided with turning mechanism 4.
The clamping mechanism 5 adopts a three-jaw chuck 7 structure, and the inner side end part of a jaw 8 of the three-jaw chuck 7 is provided with an expansion chuck 9, the expansion chuck 9 comprises a contact supporting rod 14 which is in sliding fit with the inner wall of the jaw 8 and two clamping arms 12 which are symmetrically connected with the outer side of the jaw 8 in a rotating mode, a first gear 11 is fixed on the side wall of each clamping arm 12, a first tooth socket 13 formed in the outer wall of each contact supporting rod is meshed with the side wall of the first gear 11, and the end part of the first tooth socket 13 is connected with the inner wall of the jaw 8 through a spring 10.
When the device is used, the outer ring is placed into the inner side of the three-jaw chuck 7, then the clamping jaws 8 are driven to synchronously move until the contact rod 14 contacts the outer wall of the outer ring, the contact rod 14 is limited and cannot move, then the clamping jaws 8 continue to move, the position of the contact rod 14 is opposite to that of the contact rod 14, the first gear 11 is enabled to rotate by utilizing the meshing of the first tooth groove 13 and the first gear 11, the clamping arm 12 is driven to rotate, and the rigid clamping is integrally realized until the clamping arm 12 contacts the outer wall of the outer ring.
The device can clamp the outer wall of the outer ring simultaneously by the aid of the contact rod 14 and the clamping arm 12 through the arrangement of the expansion clamping head 9, so that contact points are increased, clamping pressure is reduced, deformation of the outer ring is prevented, linkage of the contact rod 14 and the clamping arm 12 is realized by the aid of the first gear 11 and the first tooth groove 13, outer rings with different diameters can be clamped on one hand, rigid clamping can be realized in a clamping state on the other hand, and therefore clamping stability is improved.
In order to solve the turning problem; as shown in fig. 4, the turning mechanism 4 includes a spindle 18 rotatably connected to the inner wall of the second carriage 3, and an induction driving assembly 15, a joint transmission assembly 16 and a feeding cutter assembly 17 disposed outside the second carriage 3 and the spindle 18.
The feeding cutter assembly 17 comprises cutting blades 19 symmetrically and slidably connected to the inner wall of the main shaft 18, a sliding ring 21 axially and slidably connected to the outer wall of the main shaft 18, and a threaded ring 22 screwed to the outer wall of the main shaft 18, wherein a connecting rod 20 is fixed on the side wall of the sliding ring 21, a guiding chute 24 is arranged on the inner wall of the cutting blades 19, and the connecting rod 20 is movably and limitedly matched with the inner wall of the guiding chute 24 through a limiting protrusion.
The slip ring 21 is rotatably connected with the threaded ring 22.
The outer wall of the main shaft 18 is provided with a key-shaped groove one 23, and the sliding ring 21 is in clearance fit with the inner wall of the key-shaped groove one 23 through a key-shaped protrusion welded on the inner wall of the sliding ring.
When the main shaft 18 rotates, the cutter 19 can be driven to rotate, and when the threaded ring 22 rotates relative to the main shaft 18, the sliding ring 21 can be driven to axially move through the threaded connection effect, so that the connecting rod 20 is driven to move, and the cutter 19 is driven to radially move along the main shaft 18 through the cooperation of the limiting protrusion and the guide chute 24, so that the feeding of the cutter 19 is realized.
The combined transmission assembly 16 comprises an outer gear ring 27, a sun gear 29 and a plurality of planet gears 26, wherein the outer gear ring 27 is fixed on the side wall of the second carriage 3, the sun gear 29 is fixed on the outer wall of the main shaft 18, the plurality of planet gears 26 are meshed with the outer gear ring 27 and the opposite side of the sun gear 29, and the planet gears 26 are connected to the end face of the threaded ring 22 through a telescopic guide shaft 25.
When the sun gear 29 rotates, the sun gear 29 can drive the planet gears 26 to rotate, and the planet gears 26 revolve along the axis of the main shaft 18 by engaging the outer gear ring 27 to limit, and the telescopic guide shaft 25 drives the threaded ring 22 to rotate, and meanwhile, the sun gear 29 can also drive the main shaft 18 to rotate.
The device realizes the high-speed driving of the main shaft 18 on one hand and the decelerating rotation of the threaded ring 22 on the other hand by utilizing the planetary gear set consisting of the planet gears 26, the outer gear ring 27 and the sun gear 29, thereby realizing the mutual correlation of the rotation speed and the feeding speed of the cutting knife 19, preventing the situation of low turning quality caused by the increase of energy consumption and the slow rotation speed and the fast feeding speed of the cutting knife 19 due to the fast rotation speed and the slow feeding speed of the cutting knife 19, and further improving the cutting quality.
To solve the efficiency problem; as shown in fig. 6 and 7, one side of each planet wheel 26 is rotatably connected with the same planet carrier 28, the planet carrier 28 is rotatably connected with the inner wall of the outer gear ring 27, the inner wall of the second carriage 3 is rotatably connected with a transmission ring 30, tooth grooves two are respectively formed in the inner side and the outer side of the transmission ring 30, the tooth grooves two on the inner side can be meshed with the side wall of the sun wheel 29, and teeth capable of being meshed with the tooth grooves two are formed in the inner side wall of the planet carrier 28.
When in a cutting state, the transmission ring 30 moves to one side of the sun gear 29, and is meshed with the outer wall of the sun gear 29 through the tooth groove II on the inner side of the transmission ring 30, so that the sun gear 29 is driven to rotate, and when in a tool withdrawal state, the transmission ring 30 moves to one side of the planet carrier 28, is meshed with the planet carrier 28 through the tooth groove II on the outer side of the transmission ring 30 and the tooth on the inner side of the planet carrier 28, and drives the planet carrier 28 to rotate.
The device can be respectively and not simultaneously meshed with the sun gear 29 and the planet carrier 28 through the tooth grooves II arranged on the inner side and the outer side by additionally arranging the driving ring 30, so that the normal-speed cutting can be realized under the condition that the rotating speed of the driving ring 30 is constant, the acceleration of the tool withdrawal process can be realized, and the whole cutting efficiency is increased.
The side wall of the second carriage 3, which is positioned at the periphery of the driving ring 30, is rotationally connected with a driving ring 34, a key-shaped groove II 35 is formed in the outer wall of the driving ring 30, the driving ring 34 is in clearance fit with the key-shaped groove II 35 through a key-shaped protrusion II 33 welded at the inner side of the driving ring, a first motor 37 is fixed on the side wall of the end part of the second carriage 3 through bolts, a driving shaft 39 is fixed on the outer wall of an output shaft of the first motor 37 through bolts, and the driving shaft 39 is in transmission fit with the driving ring 30 through a driving belt 40.
When the motor one 37 is started, the motor one can drive the driving shaft 39 to rotate, so that the driving ring 34 is driven to rotate by the driving belt 40, the driving ring 30 is driven to rotate by the cooperation of the key-shaped protrusion two 33 and the key-shaped groove two 35, and the driving ring 34 and the driving ring 30 can relatively move axially while rotating and transmitting.
In order to solve the control problem, as shown in fig. 7 and 8, a permanent magnet 31 is fixed on the end surface of the transmission ring 30, and an electromagnet 32 coaxially arranged with the permanent magnet 31 is fixed on the side wall of the carriage two 3 at the permanent magnet 31 through a bolt.
The outer wall of the driving shaft 39 is fixed with a rotor core 38, the side wall of the second carriage 3 outside the rotor core 38 is fixed with a stator winding 36 matched with the rotor core 38, and the output terminal of the stator winding 36 is connected with the input terminal of the permanent magnet 31.
When the first motor 37 rotates forward in the cutting operation process, the rotor core 38 and the stator winding 36 are mutually induced, voltage generated in the stator winding 36 is applied to the permanent magnet 31, the permanent magnet 31 generates a magnetic field, and the magnetic field direction of the opposite side of the permanent magnet 31 and the electromagnet 32 is the same, so that the driving ring 30 is driven to move by repulsive force, and the driving ring 30 is meshed with the sun gear 29; when the cutter retracting process is performed, the motor one 37 is reversed, and reverse voltage is generated in the stator winding 36, so that the magnetic field generated by the permanent magnet 31 is opposite, and the mutual attraction of the permanent magnet 31 and the electromagnet 32 is utilized to drive the driving ring 30 to move, so that the driving ring 30 is meshed with the planet carrier 28.
The device uses the characteristic that the rotation directions of the first motor 37 in the turning and retracting process are different, uses the stator winding 36 and the rotor core 38 to perform steering induction, uses the induced voltage to be applied to the permanent magnet 31, and uses the magnetic force of the permanent magnet 31 and the electromagnet 32 to realize the control of the position of the driving ring 30, thereby realizing the automatic switching of the driving modes of the two processes.
In the embodiment, when the three-jaw chuck 7 is used, the outer ring is put into the inner side of the three-jaw chuck 7, then the clamping jaws 8 are driven to synchronously move until the contact rod 14 contacts the outer wall of the outer ring, the contact rod 14 is limited and cannot move, then the clamping jaws 8 continue to move, the position of the contact rod 14 is kept relative to the contact rod, the tooth socket I13 is meshed with the gear I11, the gear I11 rotates, the clamping arm 12 is driven to rotate, after the clamping arm 12 contacts the outer wall of the outer ring, rigid clamping is integrally realized, when the motor I37 is started, the driving shaft 39 is driven to rotate, the driving ring 34 is driven to rotate through the driving belt 40, the driving ring 30 is driven to rotate through the cooperation of the key-shaped protrusion II 33 and the key-shaped groove II 35, when the motor I37 rotates positively, the rotor core 38 and the stator winding 36 are mutually induced at the moment when the motor I37 rotates positively in a cutting working procedure, the voltage generated in the stator winding 36 is applied to the permanent magnet 31, the permanent magnet 31 generates a magnetic field, the magnetic field direction of the permanent magnet 31 and the magnetic field direction of the opposite side of the electromagnet 32 are the same, so that the driving ring 30 is driven to move by repulsive force, the driving ring 30 is meshed with the sun gear 29, the sun gear 29 is driven to rotate, when the sun gear 29 rotates, the planet gear 26 can be driven to rotate, the planet gear 26 is driven to revolve along the axis of the main shaft 18 through the meshing limit of the outer gear ring 27, the threaded ring 22 is driven to rotate through the telescopic guide shaft 25, meanwhile, the sun gear 29 can also drive the main shaft 18 to rotate, when the main shaft 18 rotates, the cutting knife 19 can be driven to rotate, and when the threaded ring 22 rotates relative to the main shaft 18, the sliding ring 21 can be driven to axially move through the threaded connection, so as to drive the connecting rod 20 to move, the cutting blade 19 is driven to move along the radial direction of the main shaft 18 through the cooperation of the limiting protrusion and the guide chute 24, so that the feeding of the cutting blade 19 is realized, when the motor is in a retracting procedure, the motor is reversed, reverse voltage is generated in the stator winding 36, so that a magnetic field generated by the permanent magnet 31 is opposite, the transmission ring 30 is driven to move by the mutual attraction effect of the permanent magnet 31 and the electromagnet 32, the transmission ring 30 is meshed with the planet carrier 28, the cutting at a normal speed can be realized under the condition that the rotating speed of the transmission ring 30 is constant, the accelerating of the retracting procedure can also be realized, and the fact that when the motor is in a reversing procedure, the electromagnet is electrified at the moment, relatively speaking, the inertia of a part driven by the transmission ring 30 is relatively small, so that the relative linear motion of the rotating motion has certain postponement, and the meshing switching can be realized during the postponement.
Example 2
A roller bearing groove turning device, as shown in figure 9, for solving the efficiency problem; the present example was modified on the basis of example 1 as follows: the opposite direction driving mechanism 6 comprises a second motor 41, a bidirectional screw rod 42 and a guide sliding rod 43, wherein the guide sliding rod 43 is fixed on the inner side wall of the base 1, the guide sliding rod 43 is connected with the inner walls of the first carriage 2 and the second carriage 3 in a sliding manner, the bidirectional screw rod 42 is connected with the inner wall of the base 1 in a rotating manner, the symmetrical two sides of the bidirectional screw rod 42 are respectively connected with the inner walls of the first carriage 2 and the second carriage 3 through threads with opposite rotation directions, the second motor 41 is fixed on the side wall of the base 1 through bolts, and an output shaft of the second motor 41 is connected with the end part of the bidirectional screw rod 42 through a coupling.
When the motor two 41 is started, the motor two 41 can drive the bidirectional screw rod 42 to rotate, so that the carriage two 2 and the carriage two 3 are driven to move reversely at the same speed, the relative speed of the carriage two 2 and the carriage two 3 can be increased, the stroke efficiency can be increased under the condition that the driving speed of the motor two 41 is unchanged, and the processing efficiency is increased.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The roller bearing groove turning device comprises a base (1) and is characterized in that,
the top of the base (1) is in transmission fit with a first sliding frame (2) and a second sliding frame (3) through a counter driving mechanism (6), a clamping mechanism (5) is arranged at the top of the first sliding frame (2), and a turning mechanism (4) is arranged at the top of the second sliding frame (3);
the clamping mechanism (5) adopts a three-jaw chuck (7) structure, and the inner side end part of a jaw (8) of the three-jaw chuck (7) is provided with an expansion chuck (9), the expansion chuck (9) comprises a pushing rod (14) which is in sliding fit with the inner wall of the jaw (8) and two clamping arms (12) which are symmetrically connected with the outer side of the jaw (8) in a rotating mode, a gear I (11) is fixed on the side wall of the clamping arms (12), a tooth socket I (13) formed in the outer wall of the pushing rod (14) is meshed with the side wall of the gear I (11), and the end part of the tooth socket I (13) is connected with the inner wall of the jaw (8) through a spring (10).
2. A roller bearing groove turning device according to claim 1, characterized in that the turning mechanism (4) comprises a spindle (18) rotatably connected to the inner wall of the second carriage (3), and an induction drive assembly (15), a joint transmission assembly (16) and a feed cutter assembly (17) arranged outside the second carriage (3) and the spindle (18).
3. A roller bearing groove turning device according to claim 2, characterized in that the feed cutter assembly (17) comprises a cutting blade (19) symmetrically and slidably connected to the inner wall of the main shaft (18), a sliding ring (21) axially and slidably connected to the outer wall of the main shaft (18) only, and a threaded ring (22) screwed to the outer wall of the main shaft (18), a connecting rod (20) is fixed to the side wall of the sliding ring (21), a guiding chute (24) is formed in the inner wall of the cutting blade (19), and the connecting rod (20) is movably and limitedly matched to the inner wall of the guiding chute (24) through a limiting protrusion.
4. A roller bearing groove turning device according to claim 3, characterized in that the outer wall of the main shaft (18) is provided with a key-shaped groove one (23), and the sliding ring (21) is in clearance fit with the inner wall of the key-shaped groove one (23) through a key-shaped protrusion welded on the inner wall of the sliding ring.
5. A roller bearing groove turning device according to claim 3, characterized in that the joint transmission assembly (16) comprises an outer ring gear (27), a sun gear (29) and a plurality of planet gears (26), the outer ring gear (27) being fixed to the side wall of the second carriage (3), the sun gear (29) being fixed to the outer wall of the main shaft (18), and the plurality of planet gears (26) being meshed to opposite sides of the outer ring gear (27), the sun gear (29), and the planet gears (26) being connected to the end face of the threaded ring (22) by means of telescopic guide shafts (25).
6. The roller bearing groove turning device according to claim 5, wherein one side of all the planetary gears (26) is rotatably connected with a same planet carrier (28), the planet carrier (28) is rotatably connected with the inner wall of the outer gear ring (27), the inner wall of the second carriage (3) is rotatably connected with a transmission ring (30), tooth grooves II are formed in the inner side and the outer side of the transmission ring (30), the tooth grooves II on the inner side can be meshed with the side wall of the sun gear (29), and teeth capable of being meshed with the tooth grooves II are formed in the inner side wall of the planet carrier (28).
7. The roller bearing groove turning device according to claim 6, wherein the side wall of the second carriage (3) located at the periphery of the driving ring (30) is rotationally connected with a driving ring (34), a key-shaped groove (35) is formed in the outer wall of the driving ring (30), the driving ring (34) is in clearance fit with the key-shaped groove (35) through a key-shaped protrusion (33) welded on the inner side of the driving ring, a first motor (37) is fixed on the side wall of the end portion of the second carriage (3) through a bolt, a driving shaft (39) is fixed on the outer wall of an output shaft of the first motor (37) through a bolt, and the driving shaft (39) is in transmission fit with the driving ring (30) through a driving belt (40).
8. The roller bearing groove turning device according to claim 7, wherein a permanent magnet (31) is fixed on the end face of the transmission ring (30), and an electromagnet (32) coaxially arranged with the permanent magnet (31) is fixed on the side wall of the carriage II (3) at the permanent magnet (31) through a bolt.
9. A roller bearing groove turning device according to claim 8, characterized in that the outer wall of the drive shaft (39) is fixed with a rotor core (38), the side wall of the carriage two (3) outside the rotor core (38) is fixed with a stator winding (36) cooperating with the rotor core (38), and the output terminal of the stator winding (36) is connected to the input terminal of the permanent magnet (31).
10. The roller bearing groove turning device according to claim 1, wherein the opposite driving mechanism (6) comprises a second motor (41), a bidirectional screw rod (42) and a guide slide rod (43), the guide slide rod (43) is fixed on the inner side wall of the base (1), the guide slide rod (43) is slidably connected to the first carriage (2) and the inner wall of the second carriage (3), the bidirectional screw rod (42) is rotatably connected to the inner wall of the base (1), symmetrical two sides of the bidirectional screw rod (42) are respectively connected to the first carriage (2) and the inner wall of the second carriage (3) through opposite threads, the second motor (41) is fixed on the side wall of the base (1) through bolts, and an output shaft of the second motor (41) is connected to the end part of the bidirectional screw rod (42) through a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311822911.8A CN117644215A (en) | 2023-12-27 | 2023-12-27 | Roller bearing groove turning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311822911.8A CN117644215A (en) | 2023-12-27 | 2023-12-27 | Roller bearing groove turning device |
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| Publication Number | Publication Date |
|---|---|
| CN117644215A true CN117644215A (en) | 2024-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311822911.8A Pending CN117644215A (en) | 2023-12-27 | 2023-12-27 | Roller bearing groove turning device |
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| Country | Link |
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| CN (1) | CN117644215A (en) |
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| CN116330336A (en) * | 2023-03-16 | 2023-06-27 | 清智智能装备制造(苏州)有限公司 | Multi-axis mechanical arm |
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|---|---|---|---|---|
| GB571491A (en) * | 1944-02-17 | 1945-08-27 | Edgar Dale Ball | Improvements in or relating to boring bars |
| CN103495750A (en) * | 2013-09-29 | 2014-01-08 | 大连机床(数控)股份有限公司 | Automatic compensation type turning tool mechanism |
| CN107538022A (en) * | 2017-09-28 | 2018-01-05 | 山西风雷钻具有限公司 | Boring gang tool |
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| CN111761142A (en) * | 2020-05-30 | 2020-10-13 | 浙江三欢齿轮有限公司 | Clamp for gear shaft machining and gear machining process thereof |
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