CN109676514B - Automatic ultra-precise double-row raceway equipment and method for hub bearing jacket one-time clamping - Google Patents
Automatic ultra-precise double-row raceway equipment and method for hub bearing jacket one-time clamping Download PDFInfo
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- CN109676514B CN109676514B CN201811222762.0A CN201811222762A CN109676514B CN 109676514 B CN109676514 B CN 109676514B CN 201811222762 A CN201811222762 A CN 201811222762A CN 109676514 B CN109676514 B CN 109676514B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B35/00—Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency
- B24B35/005—Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency for making three-dimensional objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
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Abstract
The invention belongs to the technical field of superfinishing of bearing jackets, and provides automatic superfinishing double-row raceway equipment and a method for one-time clamping of a hub bearing jacket. The invention solves the technical problem of complex processing of two rings of grooves of the hub bearing outer sleeve in the prior art.
Description
Technical Field
The invention belongs to the technical field of superfinishing of bearing jackets, and relates to automatic superfinishing double-row raceway equipment and method for one-time clamping of a tapered roller flange hub bearing jacket.
Background
The rolling bearing superfinishing is the last working procedure of rolling bearing processing, and the processing mode and the processing precision of superfinishing equipment directly determine the processing cost of the rolling bearing and the quality of the bearing. The rolling bearing is widely applied to various industries such as industry, agriculture, transportation, national defense, aerospace and the like, and the high-performance bearing is a core component of important equipment and precise equipment. The research and the production of the high-performance rolling bearing are not separated from super lapping, the current super lapping processing method comprises electrochemical mechanical polishing, super lapping of oilstone, super lapping of sand wheel and the like, and the technology is mature as the super lapping processing method of oilstone. The superfine grinding processing mainly improves and improves the microscopic quality of the surface of the processed workpiece, including roughness, groove shape, roundness and the trend of metal stripes. The surface morphology is an important index for representing the surface quality, and the actual morphology and the ideal morphology after surface processing are greatly different from the level achieved by the current material smelting and mechanical processing. Super lapping is performed by using oilstones to reciprocally oscillate and rotate a workpiece at low pressure and rapidly. Two sides of the hub bearing sleeve are provided with two circles of grooves, when the super lapping processing is performed, in the prior art, after the super lapping of one side of the device is completed, the discharging is needed, and then the manual turning and converting device performs super lapping on the other side of the groove, so that on one hand, the workload is high, the efficiency is low, and on the other hand, the product collision phenomenon is greatly increased.
Disclosure of Invention
The invention provides automatic ultra-precise double-row raceway equipment and method for one-time clamping of a hub bearing sleeve, and solves the problems in the prior art.
The technical scheme of the invention is realized as follows:
the hub bearing outer sleeve one-time clamping automatic super-precision double-row raceway equipment comprises
The device comprises a rotating clamping mechanism for fixing a hub bearing sleeve and an oilstone clamp arranged on one side of the rotating clamping mechanism, wherein the oilstone clamp is arranged on a first moving table moving along a first direction, the first moving table is arranged on an oscillating table oscillating along a second direction in a sliding manner through a first guide rail, the oscillating table is connected with an oscillating assembly, the oscillating table is arranged on a second moving table in a sliding manner, the oscillating assembly is fixedly arranged on the second moving table, and the second moving table is connected with a driving motor enabling the second moving table to move along the second direction through a screw nut and a screw rod.
As a further technical scheme, be provided with first bilateral action cylinder on the first mobile station, the telescopic link of first bilateral action cylinder both sides all is connected with the movable plate, two still be provided with the second bilateral action cylinder between the movable plate, the telescopic link of second bilateral action cylinder both sides is connected two respectively one of movable plate, the cylinder body of second bilateral action cylinder passes through the fixed plate setting and is in vibrate on the platform, two all be provided with the screw hole on the movable plate, two all be provided with first adjusting bolt in the screw hole, two first adjusting bolt pushes up respectively the both sides of first mobile station, be provided with lock nut on the first adjusting bolt.
As a further technical scheme, the method comprises the steps of,
the first direction is along a diameter of the hub bearing housing,
the oilstone clamp is arranged on one side, close to the rotary clamping mechanism, of the first movable table through the dovetail groove and the dovetail bulge, a through hole along a first direction is formed in the end portion, close to the rotary clamping mechanism, of the oilstone clamp, a crack communicated with the through hole is formed between the through hole and the end portion, close to the rotary clamping mechanism, of the oilstone clamp, an oilstone groove is formed in the crack, oilstones arranged along the first direction are arranged in the oilstone groove, and the two sides of the oilstone clamp are exposed out of the oilstone groove.
As a further technical scheme, vibrate the assembly including fixed setting vibration motor on the second mobile station, be provided with eccentric connector on vibration motor's the output shaft, eccentric connector is including setting up vibration motor's epaxial axis body, be provided with along radial shoulder hole in the axis body, be provided with the diameter in the shoulder hole be less than the eccentric shaft of shoulder hole, be provided with first bearing on the eccentric shaft, first bearing sets up on vibration connecting rod, vibration connecting rod with vibrate the platform and be connected, be provided with on the axis body and support the eccentric adjustment nut that the eccentric shaft is used for adjusting eccentric shaft eccentric distance.
As a further technical scheme, the second mobile station slides and sets up on the horizontal angle adjustment platform, driving motor is fixed to be set up on the horizontal angle adjustment platform, the horizontal angle adjustment platform rotates to be adjusted and sets up on the fixed station, the bottom of horizontal angle adjustment platform is provided with at least three guide post, be provided with the arc spout of at least three concentric centers on the fixed station, the guide post sets up in the arc spout, be provided with on the fixed station and support horizontal angle adjustment platform one side and be used for adjusting the second adjusting bolt of horizontal angle adjustment platform angle.
As a further technical scheme, the rotary clamping mechanism comprises a clamping motor and a clamping cylinder arranged on the frame, a telescopic rod of the clamping cylinder is hinged with one end of a swing arm, the middle part of the swing arm is hinged on the frame, two rotating wheels used for propping against the upper side and the lower side of one end face of a hub bearing sleeve are arranged at the other end of the swing arm, a rotary clamping ring arranged on an output shaft of the clamping motor props against the other side of the hub bearing sleeve, and the rotary clamping ring and the hub bearing sleeve are concentrically arranged.
As a further technical scheme, the device further comprises a feeding device, a feeding device and a discharging device which are sequentially arranged and respectively used for conveying the hub bearing sleeve to the upper part of the rotary clamping mechanism, downwards moving into the rotary clamping mechanism and outwards moving out of the rotary clamping mechanism.
As a further technical proposal, the feeding device comprises a feeding channel which is inclined downwards towards the upper part of the rotary clamping mechanism, the discharging device is inclined downwards away from the discharging channel of the rotary clamping mechanism,
the feeding device comprises a vertical channel which is communicated with the feeding channel and the discharging channel, one side of the vertical channel is provided with a moving frame which is used for supporting the hub bearing sleeve to move up and down in the vertical channel, the moving frame is connected with a feeding cylinder which enables the moving frame to move up and down, one side of the moving frame, which is close to the vertical channel, is provided with an inclined piece which is used for supporting the hub bearing sleeve, and the inclined piece is inclined downwards towards the discharging channel.
As a further technical proposal, the lower part of the vertical channel is provided with an opening for the hub bearing sleeve to send out, the opening is connected with the discharging channel, the opening is provided with a baffle piece, the baffle piece is connected with a discharging cylinder for driving the baffle piece to seal and open the opening,
The hub bearing sleeve is characterized by further comprising a plurality of supporting pieces used for supporting the side edges of the hub bearing sleeve when the hub bearing sleeve rotates, and the supporting pieces are arranged beside the rotary clamping mechanism.
The invention also provides a one-time clamping automatic super-precision double-row raceway method for the hub bearing sleeve, which is characterized by comprising the following steps of:
s1, clamping a hub bearing sleeve by a rotary clamping mechanism and then rotating the hub bearing sleeve;
s2, the oilstone on one side of the oilstone clamp clings to the groove position of the hub bearing sleeve, which is close to one side of the oilstone clamp, to perform superfinishing;
s3, the oilstone clamp moves along the radial direction of the hub bearing sleeve, and the oilstone on the other side of the oilstone clamp clings to the groove of the hub bearing sleeve far away from one side of the oilstone clamp to superfinish the oilstone clamp.
The invention has the following using principle and beneficial effects:
1. according to the invention, the hub bearing sleeve is clamped by the rotary clamping mechanism and then rotates during superfinishing, and then is superfinished by the oilstone clamped by the oilstone clamp, wherein the oilstone clamp is arranged on the first moving table moving in the first direction (longitudinal direction), so that the longitudinal movement can be realized, and meanwhile, the first moving table is arranged on the oscillating table oscillating in the second direction (transverse direction) in a sliding manner through the first guide rail, so that the transverse oscillating movement can be realized for superfinishing the channels of the hub bearing sleeve integrally, and most importantly, the movement from one channel to the other channel of the hub bearing sleeve can be realized through the longitudinal movement. According to the invention, on the second mobile station, the second mobile station is connected with the driving motor which enables the second mobile station to move along the second direction through the screw nut and the screw rod, the driving motor is a servo motor, the ball screw is driven by the servo motor instead of the original oil motor, the ball screw is regulated by the numerical control screen, the numerical control quality is improved, the equipment regulation difficulty is reduced by optimizing the equipment regulation mode, the super-precision effect is better improved by the servo motor, and the shape parameters required by ferrule assembly are ensured.
2. According to the invention, the oilstone clamp moves along the first direction, so that the grinding of the oilstone on two sides of the oilstone clamp on two rings of channels of the hub bearing sleeve can be realized, the inventor skillfully utilizes the fact that the two rings of channels of the hub bearing sleeve are conical channels and face opposite, one side of one channel and the other side of the other channel are in parallel relation, in the actual superfinishing process, the longitudinal position of the oilstone on one side of the oilstone clamp is unchanged, the superfinishing is firstly carried out on one position of the first channel of the hub bearing sleeve, which is close to the hub bearing sleeve, because the hub bearing sleeve is rotated, the whole first channel can realize superfinishing, after superfinishing is finished, the hub bearing sleeve does not need to be turned over, and the oilstone clamp is longitudinally translated to the other side of the hub bearing sleeve along the second direction by the first moving table.
3. According to the technical scheme, the oilstone clamp arranged on the first moving platform is required to vibrate and superfinish along the transverse direction, on the other hand, the first moving platform for fixing the oilstone clamp is required to longitudinally move so as to realize the conversion of two rings of channels of the hub bearing, and the two moving plates are driven by a first bidirectional actuating cylinder and a second bidirectional actuating cylinder between the two moving plates, so that the conversion of two longitudinal positions of the oilstone clamp is driven.
4. According to the invention, the first direction can be along the diameter direction of the hub bearing sleeve, the second direction can be along the axial direction of the hub bearing sleeve, and the oilstone clamp is arranged on one side of the first moving table, which is close to the rotating clamping mechanism, through the dovetail groove and the dovetail bulge, so that the replacement and adjustment are more convenient, the structural design of the oilstone clamp is reasonable, the clamping effect is good, the oilstone replacement is also convenient because of the design of the crack and the oilstone groove, after the replacement, the oilstone clamp passes through the crack and the oilstone groove from top to bottom, and most importantly, the superfinishing of two channels of the hub bearing sleeve is well realized.
5. According to the invention, the vibration of the oilstone clamp is realized by the vibration assembly, the vibration motor drives the eccentric connector to eccentrically rotate, so that the eccentric shaft is driven, and the eccentric shaft is arranged on the vibration connecting rod through the first bearing, so that the reciprocating translational vibration on the vibration connecting rod is realized, the vibration table is driven, the radial stepped hole is arranged in the shaft body, and the eccentric adjusting nut which is propped against the eccentric shaft and used for adjusting the eccentric distance of the eccentric shaft is arranged on the shaft body, so that the adjustment of the vibration amplitude can be well realized, and the practicability of equipment is better improved.
6. In the invention, the second moving table is arranged on the horizontal angle adjusting table in a sliding way, and the second moving table is driven by the driving motor to translate through the ball screw, so that the approaching start work and the separating stop work of the super lapping of the channel of the hub bearing sleeve on the oilstone clamp are realized, the angle of the horizontal angle adjusting table can be adjusted, and the adjustment of the horizontal angle adjusting table can be realized through the adjustment of the second adjusting bolt, so that the super lapping angle of the oilstone and the hub bearing sleeve is more suitable, the angle adjustment is further ensured through the three concentric arc-shaped sliding grooves and the guide posts, and the precision and the stability are very suitable.
7. In the invention, the rotating clamping mechanism is designed, in order to realize super lapping of two channels on two lateral sides of the hub bearing sleeve, two rotating wheels arranged vertically clamp the upper and lower sides of one lateral side of the rotating mechanism, so that on one hand, the rotation of the hub bearing sleeve is ensured, on the other hand, the clamping stability is ensured, the two rotating wheels can be clamped by being driven by a swinging arm and can be far away from the hub bearing sleeve so as to cancel clamping, thus unloading is realized, the swinging arm is driven by a clamping cylinder to swing, and good automation is realized by matching with other mechanisms; the lateral opposite side of the hub bearing sleeve is propped against by a rotary clamping ring on the output shaft of the clamping motor, the edge of the hub bearing sleeve is just clamped by the rotary clamping ring in a ring shape, and the smart design is good in clamping effect and safe and stable.
8. In the invention, the clamping of the hub bearing sleeve and the unidirectional non-overturning realization of double-sided superfinishing are both new schemes, in order to better realize automatic feeding and discharging, three parts of a most suitable feeding device, a feeding device and a discharging device are designed for pertinence, the feeding device is a feeding channel which is inclined downwards towards the upper part of the rotary clamping mechanism, the discharging device is an discharging channel which is inclined downwards away from the rotary clamping mechanism, during feeding, the hub bearing sleeve rolls in from the feeding channel, during discharging, the connection between the hub bearing sleeve and the discharging channel is realized through the feeding device, the feeding design is very ingenious, the feeding channel above the hub bearing sleeve is communicated with the discharging channel below the hub bearing sleeve through the vertical channel, when the hub bearing sleeve rolls to the connection part of the vertical channel from the feeding channel, the moving frame can hold the hub bearing sleeve to move downwards in the vertical channel under the driving of the feeding cylinder, and the swing arm drives the two rotating wheels to move to clamp the hub bearing sleeve when the swing arm is positive to rotate, and the moving frame moves downwards for a certain distance, because the hub bearing sleeve is already clamped, and the hub bearing sleeve cannot move downwards along with the movement of the vertical channel, and superfinishing starts. The support of the hub bearing sleeve on the movable frame is also very ingenious and efficient, the movable frame is provided with an inclined part which inclines downwards to the discharging channel, the hub bearing sleeve on the inclined part has a trend of discharging to the discharging device, and on the other hand, the hub bearing sleeve cannot go out under the limitation of the vertical channel, so that the subsequent discharging process can be conveniently realized; the lower part of vertical way is provided with the opening that is used for hub bearing overcoat to send out, hub bearing overcoat is when super lapping, the open position design is higher than the rotation clamp ring position, be higher than hub bearing overcoat super lapping position promptly, after super lapping is accomplished, remove the frame and upwards remove hub bearing overcoat, the ejection of compact cylinder drives the fender piece and opens the opening simultaneously, can roll out vertical way to the ejection of compact way under the trend effect of tilting piece to discharging device ejection of compact realization ejection of compact after hub bearing overcoat continues to move up, holistic cooperation has realized simple quick connect convenient feeding, the material loading, ejection of compact process, and not simple arm drives the space transfer, but realized fine effect through the cooperation of above-mentioned mechanism.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of an oscillating assembly according to the present invention;
FIG. 3 is a schematic top view of a rotary clamping mechanism according to the present invention;
FIG. 4 is a schematic illustration of a hub bearing outer sleeve according to the present invention;
FIG. 5 is a schematic view of the structure of the oilstone clamp according to the present invention;
FIG. 6 is a schematic diagram of a first dual-action cylinder according to the present invention;
in the figure: 1-hub bearing housing, 2-rotating clamping mechanism, 201-clamping motor, 202-clamping cylinder, 203-swing arm, 204-rotating wheel, 205-rotating clamping ring, 3-whetstone clamp, 4-first moving table, 5-first guide rail, 6-oscillating table, 7-oscillating assembly, 701-oscillating motor, 702-eccentric connector, 703-shaft body, 704-stepped hole, 705-eccentric shaft, 706-first bearing, 707-oscillating connecting rod, 708-eccentric adjusting nut, 8-second moving table, 9-driving motor, 10-first two-way action cylinder, 11-moving plate, 12-second two-way action cylinder, 13-fixed plate, 14-threaded hole, 15-first adjusting bolts, 16-locking nuts, 17-through holes, 18-cracks, 19-oilstone grooves, 20-oilstones, 21-horizontal angle adjusting tables, 22-fixed tables, 23-guide posts, 24-arc-shaped sliding grooves, 25-second adjusting bolts, 26-racks, 27-feeding devices, 2701-feeding channels, 28-feeding devices, 2801-vertical channels, 2802-moving frames, 2803-feeding cylinders, 2804-tilting members, 2805-openings, 2806-blocking members, 2807-discharging cylinders, runner extension inlets-2808, oilstone clamp extension inlets-2809, 29-discharging devices, 2901-discharging channels, 30-supporting members, a-first directions, and b-second directions.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in figures 1-6, the invention provides a hub bearing outer sleeve disposable clamping automatic super-precision double-row raceway device, which comprises
The rotating clamping mechanism 2 for fixing the hub bearing sleeve 1 and the oilstone clamp 3 arranged on one side of the rotating clamping mechanism 2 are arranged on a first moving table 4 moving in a first direction a, the first moving table 4 is arranged on an oscillating table 6 oscillating in a second direction b in a sliding manner through a first guide rail 5, the oscillating table 6 is connected with an oscillating assembly 7, the oscillating table 6 is arranged on a second moving table 8 in a sliding manner, the oscillating assembly 7 is fixedly arranged on the second moving table 8, and the second moving table 8 is connected with a driving motor 9 enabling the second moving table to move in the second direction b through a screw nut and a screw rod.
The ultra-fine grinding is realized by using oilstones, and by using a low-pressure, rapid and short-time reciprocating swing action and a rotating workpiece, and a motor is used for controlling a screw rod to drive a reciprocating structure and simultaneously using rapid and short-time vibration. One of the tasks of superfinishing is to remove defects in the layer, improve the contact fatigue strength of the surface and extend the service life. According to the invention, the hub bearing sleeve 1 is clamped by the rotary clamping mechanism 2 and then rotates during superfinishing, the oilstone clamped by the oilstone clamp 3 is superfinished, the oilstone clamp 3 is arranged on the first moving table 4 moving along the first direction a (longitudinal direction), so that the longitudinal movement can be realized, meanwhile, the first moving table 4 is slidably arranged on the oscillating table 6 oscillating along the second direction b (transverse direction) through the first guide rail 5, the transverse oscillating movement can be realized on the whole to superfinish the channels of the hub bearing sleeve 1, and most importantly, the movement from one channel to the other channel of the hub bearing sleeve 1 can be realized through the longitudinal movement. According to the invention, on the second moving table 8, the second moving table 8 is connected with the driving motor 9 which enables the second moving table 8 to move along the second direction b through the screw nut and the screw rod, the driving motor 9 is a servo motor, the raceway superfinishing changing structure is changed from an original oil motor to a servo motor to drive the ball screw rod, a numerical control screen is used for adjusting, the numerical control quality is improved, the equipment adjusting difficulty is reduced by optimizing the equipment adjusting mode, the superfinishing effect is better improved by the servo motor, and the shape parameters required by ferrule assembly are ensured.
According to the invention, the oilstone clamp 3 moves along the first direction a, so that the oilstone on two sides of the oilstone clamp 3 can grind two rings of channels of the hub bearing sleeve 1, the inventor skillfully utilizes the fact that the two rings of channels of the hub bearing sleeve 1 are conical surface channels and face opposite, one side of one channel and the other side of the other channel are in parallel relation, in the actual superfinishing process, the longitudinal position of the oilstone on one side of the oilstone clamp 3 is unchanged, transverse vibration is firstly carried out on one position of the first channel of the hub bearing sleeve 1 close to the hub bearing sleeve 1, superfinishing is firstly carried out on the first channel of the hub bearing sleeve 1, because the hub bearing sleeve 1 rotates, the whole first channel can realize superfinishing, after superfinishing is finished, the hub bearing sleeve 1 does not need to turn over, the first moving table 4 longitudinally translates to the other side of the hub bearing sleeve 1 along the first direction a, and the first channel and the second channel of the other side of the hub bearing sleeve 1 are in parallel relation, the opposite sides of the two channels are parallel relation, the two opposite sides of the two channels of the oilstone clamp 3 can support the hub bearing sleeve 1, the two channels can not well face against the other side of the hub bearing sleeve 1, the problem can not be well produced, the problem can not be solved, the problem of the superfinishing can not be solved, and the problem can be solved, and the production can not be well, and the problem can be solved, and the well, and the problem can not be well, and the can be well.
Further, a first bidirectional actuating cylinder 10 is arranged on the first moving table 4, telescopic rods on two sides of the first bidirectional actuating cylinder 10 are connected with moving plates 11, a second bidirectional actuating cylinder 12 is further arranged between the two moving plates 11, telescopic rods on two sides of the second bidirectional actuating cylinder 12 are respectively connected with one of the two moving plates 11, a cylinder body of the second bidirectional actuating cylinder 12 is arranged on the oscillating table 6 through a fixed plate 13, threaded holes 14 are formed in the two moving plates 11, first adjusting bolts 15 are arranged in the two threaded holes 14, the two first adjusting bolts 15 respectively support two sides of the first moving table 4, and locking nuts 16 are arranged on the first adjusting bolts 15.
In the invention, on one hand, the oilstone clamp 3 arranged on the first movable table 4 needs to vibrate and superfinish along the transverse direction, on the other hand, the oilstone clamp 3 needs to move longitudinally to realize the conversion of two rings of channels of the hub bearing sleeve 1, and the stable assurance of the two rings of channels is a difficult problem which is difficult to consider, the proposal designs that the oilstone on the two sides of the oilstone clamp 3 respectively superfinish the two opposite positions of the two channels, well utilizes the structure that the two channels are conical surfaces and face opposite directions, the technical proposal body is advanced by one step, but the inventor encounters obstruction when facing both transverse vibration and longitudinal transposition are simultaneously considered stably, through long-term research of the inventor, the first movable table 4 for fixing the oilstone clamp 3 is designed, the longitudinal movement of the first movable table is realized through the movable plates 11 on the two sides of the first movable table is realized, the two moving plates are driven by the first bidirectional actuating cylinder 10 and the second bidirectional actuating cylinder 12 between the two moving plates so as to drive the conversion of two longitudinal positions of the whetstone clamp 3, and most importantly, the two first adjusting bolts 15 are respectively propped against the first moving table 4 to well adjust whether a certain position on whetstone and a channel on the whetstone clamp 3 are just attached after the two bidirectional actuating cylinders are actuated to the bottom, and the two moving plates are not influenced by the stroke of the cylinders, and are locked by the locking nuts 16 after being adjusted to the proper positions, so that on one hand, the first bidirectional actuating cylinder 10 and the second bidirectional actuating cylinder 12 have good stabilizing effect, the pressure deficiency during superfinishing of whetstone is avoided, on the other hand, the two sides of the first moving table 4 are stressed to have good clamping effect, the influence caused by transverse vibration is avoided, and the whole body is well vibrated, both longitudinal transposition are stably carried out.
Further, the first direction a is along the diameter of the hub-bearing housing 1,
the oilstone clamp 3 is arranged on one side of the first moving table 4, which is close to the rotary clamping mechanism 2, through dovetail grooves and dovetail protrusions, a through hole 17 along a first direction a is formed in the end portion, close to the rotary clamping mechanism 2, of the oilstone clamp 3, a crack 18 communicated with the through hole 17 is formed between the through hole 17 and the end portion, close to the rotary clamping mechanism 2, of the oilstone clamp 3, an oilstone groove 19 is formed in the crack 18, an oilstone 20 arranged along the first direction a is arranged in the oilstone groove 19, and the two sides of the oilstone clamp 3 are exposed out of the oilstone 20.
In the invention, the first direction a can be along the diameter direction of the hub bearing sleeve 1, the second direction b can be along the axial direction of the hub bearing sleeve 1, and the whetstone clamp 3 is arranged on one side of the first moving table 4, which is close to the rotating clamping mechanism 2, through the dovetail groove and the dovetail bulge, so that the replacement and adjustment are more convenient, the structural design of the whetstone clamp 3 is reasonable, the clamping effect is good, the whetstone replacement is also convenient because the design of the clamping gap 18 and the whetstone groove 19 is very convenient, after the whetstone clamp 3 is replaced, the whetstone clamp 3 can be locked by bolts penetrating up and down, and most importantly, the superfinishing of two channels along the hub bearing sleeve 1 can be well realized.
Further, the oscillating assembly 7 comprises a vibrating motor 701 fixedly arranged on the second moving table 8, an eccentric connector 702 is arranged on an output shaft of the vibrating motor 701, the eccentric connector 702 comprises a shaft body 703 arranged on the output shaft of the vibrating motor 701, a stepped hole 704 in the radial direction is arranged in the shaft body 703, an eccentric shaft 705 with the diameter smaller than that of the stepped hole 704 is arranged in the stepped hole 704, a first bearing 706 is arranged on the eccentric shaft 705, the first bearing 706 is arranged on a vibrating connecting rod 707, the vibrating connecting rod 707 is connected with the oscillating table 6, and an eccentric adjusting nut 708 which abuts against the eccentric shaft 705 and is used for adjusting the eccentric distance of the eccentric shaft 705 is arranged on the shaft body 703.
In the invention, the vibration of the oilstone clamp 3 is realized by the vibration assembly 7, the vibration motor 701 drives the eccentric connector 702 to eccentrically rotate, so as to drive the eccentric shaft 705, and the eccentric shaft 705 is arranged on the vibration connecting rod 707 through the first bearing 704, so that the reciprocating translational vibration on the vibration connecting rod 707 is realized, thus driving the vibration table 6, and the shaft body 703 is internally provided with the radial stepped hole 704, and the shaft body 703 is provided with the eccentric adjusting nut 708 which is used for adjusting the eccentric distance of the eccentric shaft 705 and supporting the eccentric shaft 705, thereby well realizing the adjustment of the vibration amplitude and better improving the practicability of equipment.
Further, the second moving stage 8 is slidably disposed on the horizontal angle adjusting stage 21, the driving motor 9 is fixedly disposed on the horizontal angle adjusting stage 21, the horizontal angle adjusting stage 21 is rotatably disposed on the fixing stage 22, at least three guide posts 23 are disposed at the bottom of the horizontal angle adjusting stage 21, at least three arc-shaped sliding grooves 24 concentric with each other are disposed on the fixing stage 22, the guide posts 23 are disposed in the arc-shaped sliding grooves 24, and a second adjusting bolt 25 which abuts against one side of the horizontal angle adjusting stage 21 and is used for adjusting the angle of the horizontal angle adjusting stage 21 is disposed on the fixing stage 22.
In the invention, the second moving table 8 is slidably arranged on the horizontal angle adjusting table 21, the second moving table 8 is driven by the driving motor 9 to translate through the ball screw, so that the approaching starting work and the stopping work after the separating work of the super finishing grinding of the channel of the hub bearing sleeve 1 on the oilstone clamp 3 are realized, the angle of the horizontal angle adjusting table 21 can be adjusted, and the adjustment of the horizontal angle adjusting table 21 can be realized through the adjustment of the second adjusting bolt 25, so that the super finishing grinding angle of the oilstone and the hub bearing sleeve 1 is more suitable, the angle adjustment is further ensured through the three concentric arc-shaped sliding grooves 24 and the guide posts 23, and the precision and the stability are very suitable.
Further, the rotary clamping mechanism 2 comprises a clamping motor 201 and a clamping cylinder 202 arranged on the frame 26, a telescopic rod of the clamping cylinder 202 is hinged with one end of a swing arm 203, the middle part of the swing arm 203 is hinged on the frame 26, two rotating wheels 204 used for propping against the upper side and the lower side of one end face of the hub bearing sleeve 1 are arranged at the other end of the swing arm 203, the other side of the hub bearing sleeve 1 is propped against by a rotary clamping ring 205 arranged on an output shaft of the clamping motor 201, and the rotary clamping ring 205 and the hub bearing sleeve 1 are concentrically arranged.
In the invention, the rotating clamping mechanism 2 is also designed, in order to realize super lapping of two channels on two lateral sides of the hub bearing sleeve 1, two rotating wheels 204 arranged vertically clamp one lateral side of the rotating mechanism, so that on one hand, the rotation of the hub bearing sleeve 1 is ensured, on the other hand, the clamping stability is ensured, and the two rotating wheels 204 are driven by a swinging arm 203 to clamp and can be far away from the hub bearing sleeve 1 so as to cancel clamping, thus unloading is realized, the swinging arm 203 is driven by a clamping cylinder 202 to swing, and good automation is realized by matching with other mechanisms; the other transverse side of the hub bearing sleeve 1 is propped against by a rotary clamping ring 205 on the output shaft of the clamping motor 201, the rotary clamping ring 205 just clamps the edge of the hub bearing sleeve 1 in a ring shape, and the smart design is good in clamping effect and safe and stable.
Further, a feeding device 27, a feeding device 28 and a discharging device 29 which are respectively used for feeding the hub bearing sleeve 1 above the rotary clamping mechanism 2, downwards moving into the rotary clamping mechanism 2 and removing out of the rotary clamping mechanism 2 are sequentially arranged.
Further, the feeding device 27 comprises a feeding channel 2701 which is inclined downwards towards the upper side of the rotary clamping mechanism 2, the discharging device 29 is inclined downwards away from the discharging channel 2901 of the rotary clamping mechanism 2,
the feeding device 28 comprises a vertical channel 2801 which is communicated with a feeding channel 2701 and a discharging channel 2901, one side of the vertical channel 2801 is provided with a movable frame 2802 for supporting the hub bearing sleeve 1 to move up and down in the vertical channel 2801, the movable frame 2802 is connected with a feeding cylinder 2803 for enabling the movable frame to move up and down, one side of the movable frame 2802, close to the vertical channel 2801, is provided with an inclined piece 2804 for supporting the hub bearing sleeve 1, and the inclined piece 2804 is inclined downwards towards the discharging channel 2901.
Be provided with the runner that is used for two runners 204 to stretch into on the movable frame 2802 stretch into the mouth 2808 and be used for whetstone clamp 3 to stretch into whetstone clamp and stretch into mouth 2809, can very convenient carry out the clamp of hub bearing overcoat 1 and super lapping, simple design has realized best effect, and is not only practical effective, safe stable moreover.
Further, an opening 2805 for delivering the hub bearing housing 1 is arranged at the lower part of the vertical channel 2801, the opening 2805 is connected to the discharging channel 2901, a baffle 2806 is arranged at the opening 2805, the baffle 2806 is connected with a discharging cylinder 2807 for driving the baffle 2806 to seal and open the opening 2805,
also included are a plurality of support members 30 for supporting the hub bearing housing 1 on its side edges as it rotates, the support members 30 being disposed alongside the rotary clamping mechanism 2.
In the invention, the clamping of the hub bearing sleeve 1 and the unidirectional non-overturning realization of double-sided superfinishing are both new schemes, in order to better realize automatic feeding and discharging, three parts of a most suitable feeding device 27, a feeding device 28 and a discharging device 29 are designed for pertinence, the feeding device 27 is a feeding channel 2701 which is inclined downwards towards the upper part of the rotary clamping mechanism 2, the discharging device 29 is a discharging channel 2901 which is inclined downwards away from the rotary clamping mechanism 2, during feeding, the hub bearing sleeve 1 rolls in from the feeding channel 2701, during discharging, the connection between the feeding channel 2901 and the clamping of the rotary clamping mechanism 2 are realized through a feeding device 28, the feeding design is also very ingenious, the feeding channel 2701 above the feeding device is communicated with the discharging channel 2901 below the feeding device, when the hub bearing sleeve 1 rolls from the feeding channel 2701 to the connection part of the vertical channel 2801, the moving frame 2802 supports the hub bearing sleeve 2803 to move downwards along the inside the vertical channel 2801 under the driving of the upper part of the feeding cylinder 2803, and when the hub bearing sleeve moves to the rotating ring 205 to be opposite to the rotating ring 203, and the two bearing frames are driven to move away from the hub bearing sleeve 2802, and the bearing sleeve is not to move down along with the rotation of the rotating shaft 2802, and the bearing sleeve is far from the bearing sleeve 2802, and the bearing sleeve is moved down, and the bearing sleeve is not moved down and is moved down along with the bearing frame to be far from the bearing frame 2. The support of the hub bearing sleeve 1 on the movable frame 2802 is very ingenious and efficient, the movable frame 2802 is provided with an inclined piece 2804 which is inclined downwards towards the discharging channel 2901, the hub bearing sleeve 1 on the inclined piece 2804 has a tendency of discharging to the discharging device 29 on the one hand, and on the other hand, the hub bearing sleeve 1 cannot go out under the limitation in the vertical channel 2801, so that the subsequent discharging process can be conveniently realized; the lower part of vertical way 2801 is provided with the opening 2805 that is used for hub bearing overcoat 1 to send out, hub bearing overcoat 1 is when super lapping, the opening 2805 position is designed to be higher than the rotation clamp ring 205 position, be higher than hub bearing overcoat 1 super lapping position promptly, after super lapping is accomplished, remove frame 2802 upwards and remove hub bearing overcoat 1, simultaneously ejection of compact cylinder 2807 drives fender 2806 and opens opening 2805, can roll out vertical way 2801 to ejection of compact way 2901 under the trend effect of tilting member 2804 to the ejection of compact device 29 ejection of compact after hub bearing overcoat 1 keeps on, the holistic cooperation has realized simple quick connect convenient feeding, the material loading, the ejection of compact process, not simple arm drives the space transfer, but has realized fine effect through the cooperation of above-mentioned mechanism.
The invention also provides a one-time clamping automatic super-precision double-row raceway method for the hub bearing sleeve, which comprises the following steps:
s1, rotating a clamping mechanism 2 to clamp a hub bearing sleeve 1 and then rotate the hub bearing sleeve;
s2, the oilstone 20 on one side of the oilstone clamp 3 clings to the groove position of one side of the hub bearing sleeve 1, which is close to the oilstone clamp 3, to perform superfinishing;
s3, the whetstone clamp 3 moves along the radial direction of the hub bearing sleeve 1 (the whetstone 20 on one side of the whetstone clamp 3 and the whetstone 20 on the other side are positioned at the left-right staggered position on the whetstone clamp 3) or moves along the axial direction after moving along the radial direction (the whetstone 20 on one side of the whetstone clamp 3 and the whetstone 20 on the other side are positioned at the left-right opposite position on the whetstone clamp 3), and the whetstone 20 on the other side of the whetstone clamp 3 clings to the groove position of the hub bearing sleeve 1 far away from one side of the whetstone clamp 3 to superfinish.
In the above steps, the oilstone 20 on one side of the oilstone clamp 3 and the oilstone 20 on the other side are positioned at the left-right opposite positions on the oilstone clamp 3, and in S3, the oilstone clamp 3 moves along the radial direction of the hub bearing sleeve 1 and then moves towards the position close to the hub bearing sleeve 1, if the oilstone is arranged at the left-right opposite positions on the oilstone clamp 3, the oilstone is moved to a certain position respectively through the two directions after the superfinishing of one channel to carry out the superfinishing of the other channel, and the actual production is very convenient
Or wherein the whetstone 20 on one side of the whetstone holder 3 is offset from the whetstone 20 on the other side by a left-right offset position on the whetstone holder 3. Therefore, the oilstone and the channel at the accurate position can be attached to each other by moving a certain position in one direction, and superfine grinding is more convenient to perform.
The grooves on two sides of the hub bearing sleeve 1 are conical surfaces, the directions of the grooves on one side are opposite to those of the grooves on the other side, and the two opposite sides of the first groove and the second groove are parallel.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The automatic super-precise double-row raceway equipment for one-time clamping of the hub bearing jacket is characterized by comprising a rotating clamping mechanism (2) for fixing the hub bearing jacket (1) and an oilstone clamp (3) arranged on one side of the rotating clamping mechanism (2), wherein the oilstone clamp (3) is arranged on a first moving table (4) moving in a first direction (a), the first moving table (4) is slidably arranged on an oscillating table (6) oscillating in a second direction (b) through a first guide rail (5), the oscillating table (6) is connected with an oscillating assembly (7), the oscillating table (6) is slidably arranged on a second moving table (8), the oscillating assembly (7) is fixedly arranged on the second moving table (8), the second moving table (8) is connected with a driving motor (9) enabling the second moving table to move in the second direction (b) through a screw nut and a lead screw,
The device is characterized in that a first bidirectional actuating cylinder (10) is arranged on the first moving table (4), telescopic rods on two sides of the first bidirectional actuating cylinder (10) are connected with moving plates (11), a second bidirectional actuating cylinder (12) is further arranged between the two moving plates (11), telescopic rods on two sides of the second bidirectional actuating cylinder (12) are respectively connected with one of the two moving plates (11), a cylinder body of the second bidirectional actuating cylinder (12) is arranged on the oscillating table (6) through a fixed plate (13), threaded holes (14) are formed in the two moving plates (11), first adjusting bolts (15) are arranged in the two threaded holes (14), the two first adjusting bolts (15) respectively prop against two sides of the first moving table (4), and locking nuts (16) are arranged on the first adjusting bolts (15);
the first direction (a) is along the diameter direction of the hub bearing sleeve (1),
the oilstone clamp (3) is arranged on one side, close to the rotating clamping mechanism (2), of the first moving table (4) through dovetail grooves and dovetail protrusions, through holes (17) along a first direction (a) are formed in the end portions, close to the rotating clamping mechanism (2), of the oilstone clamp (3), a crack (18) communicated with the through holes (17) is formed between the end portions, close to the rotating clamping mechanism (2), of the oilstone clamp (3), an oilstone groove (19) is formed in the crack (18), oilstone (20) arranged along the first direction (a) is arranged in the oilstone groove (19), and the two sides of the oilstone clamp (3) are exposed out of the oilstone groove (20).
2. The automatic super-fine double-row raceway device for hub bearing housing disposable clamping according to claim 1, characterized in that the oscillating assembly (7) comprises a vibrating motor (701) fixedly arranged on the second moving table (8), an eccentric connector (702) is arranged on an output shaft of the vibrating motor (701), the eccentric connector (702) comprises a shaft body (703) arranged on the output shaft of the vibrating motor (701), a radial stepped hole (704) is arranged in the shaft body (703), an eccentric shaft (705) with the diameter smaller than that of the stepped hole (704) is arranged in the stepped hole (704), a first bearing (706) is arranged on the eccentric shaft (705), the first bearing (706) is arranged on a vibrating connecting rod (707), the vibrating connecting rod (707) is connected with the oscillating table (6), and an eccentric nut (708) for adjusting the eccentric distance of the eccentric shaft (705) is arranged on the shaft body (703).
3. The automatic super-fine double-row raceway device for one-time clamping of hub bearing jackets according to claim 1, characterized in that the second moving table (8) is slidably arranged on a horizontal angle adjusting table (21), the driving motor (9) is fixedly arranged on the horizontal angle adjusting table (21), the horizontal angle adjusting table (21) is rotatably adjusted and arranged on a fixed table (22), at least three guide posts (23) are arranged at the bottom of the horizontal angle adjusting table (21), at least three concentric arc-shaped sliding grooves (24) are arranged on the fixed table (22), the guide posts (23) are arranged in the arc-shaped sliding grooves (24), and a second adjusting bolt (25) which is propped against one side of the horizontal angle adjusting table (21) and is used for adjusting the angle of the horizontal angle adjusting table (21) is arranged on the fixed table (22).
4. The automatic super-fine double-row raceway device for one-time clamping of hub bearing jackets according to claim 1, characterized in that the rotary clamping mechanism (2) comprises a clamping motor (201) and a clamping cylinder (202) arranged on a frame (26), a telescopic rod of the clamping cylinder (202) is hinged with one end of a swing arm (203), the middle part of the swing arm (203) is hinged on the frame (26), two rotating wheels (204) for supporting the upper side and the lower side of one end face of the hub bearing jacket (1) are arranged at the other end of the swing arm (203), the other side of the hub bearing jacket (1) is supported by a rotary clamping ring (205) arranged on an output shaft of the clamping motor (201), and the rotary clamping ring (205) and the hub bearing jacket (1) are concentrically arranged.
5. The automatic ultra-precise double-row raceway device for one-time clamping of hub bearing jackets according to claim 1, further comprising a feeding device (27), a feeding device (28) and a discharging device (29) which are sequentially arranged for feeding the hub bearing jackets (1) above the rotary clamping mechanism (2), downwards into the rotary clamping mechanism (2) and out of the rotary clamping mechanism (2), respectively.
6. The hub bearing housing disposable clamping automatic super fine double row raceway arrangement according to claim 5, characterized in that the feeding device (27) comprises a feeding channel (2701) inclined downwards towards above the rotational clamping mechanism (2), the discharging device (29) is inclined downwards away from the discharging channel (2901) of the rotational clamping mechanism (2),
the feeding device (28) comprises a vertical channel (2801) which is communicated with the feeding channel (2701) and the discharging channel (2901), one side of the vertical channel (2801) is provided with a moving frame (2802) which is used for supporting the hub bearing sleeve (1) to move up and down in the vertical channel (2801), the moving frame (2802) is connected with a feeding cylinder (2803) which enables the moving frame (2802) to move up and down, one side of the moving frame (2802) which is close to the vertical channel (2801) is provided with a tilting piece (2804) which is used for supporting the hub bearing sleeve (1), and the tilting piece (2804) is tilted downwards towards the discharging channel (2901).
7. The automatic super-fine double-row raceway device for one-time clamping of hub bearing jackets according to claim 6, characterized in that an opening (2805) for delivering the hub bearing jackets (1) is arranged at the lower part of the vertical channel (2801), the opening (2805) is connected to the discharging channel (2901), a blocking piece (2806) is arranged at the opening (2805), the blocking piece (2806) is connected with a discharging cylinder (2807) for driving the blocking piece (2806) to seal and open the opening (2805),
The hub bearing sleeve (1) further comprises a plurality of supporting pieces (30) for supporting the side edges of the hub bearing sleeve (1) when the hub bearing sleeve rotates, and the supporting pieces (30) are arranged beside the rotary clamping mechanism (2).
8. The hub bearing housing one-time clamping automatic super-precision double-row raceway method based on the hub bearing housing one-time clamping automatic super-precision double-row raceway device of any one of claims 1-7, which is characterized by comprising the following steps:
s1, rotating a clamping mechanism (2) to clamp a hub bearing sleeve (1) and then enable the hub bearing sleeve to rotate;
s2, an oilstone (20) on one side of the oilstone clamp (3) clings to a groove position of the hub bearing sleeve (1) close to one side of the oilstone clamp (3) to perform superfinishing;
s3, the oilstone clamp (3) moves along the radial direction of the hub bearing sleeve (1), and the oilstone (20) on the other side of the oilstone clamp (3) clings to the groove of the hub bearing sleeve (1) far away from one side of the oilstone clamp (3) to perform superfinishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222762.0A CN109676514B (en) | 2018-10-19 | 2018-10-19 | Automatic ultra-precise double-row raceway equipment and method for hub bearing jacket one-time clamping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222762.0A CN109676514B (en) | 2018-10-19 | 2018-10-19 | Automatic ultra-precise double-row raceway equipment and method for hub bearing jacket one-time clamping |
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| CN109676514A CN109676514A (en) | 2019-04-26 |
| CN109676514B true CN109676514B (en) | 2024-02-09 |
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| CN112917375B (en) * | 2021-03-23 | 2022-06-10 | 中国航发哈尔滨轴承有限公司 | Oilstone swing mechanism for lapping bearing ring |
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