CN108559835A - A kind of device and method of laser processing ball bearing outer rollaway nest - Google Patents
A kind of device and method of laser processing ball bearing outer rollaway nest Download PDFInfo
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- CN108559835A CN108559835A CN201810238428.8A CN201810238428A CN108559835A CN 108559835 A CN108559835 A CN 108559835A CN 201810238428 A CN201810238428 A CN 201810238428A CN 108559835 A CN108559835 A CN 108559835A
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- laser
- manipulator
- bearing
- lens
- controller
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
- C21D10/005—Modifying the physical properties by methods other than heat treatment or deformation by laser shock processing
Abstract
The present invention relates to laser impact intensified device fields, refer in particular to a kind of device and method of laser processing ball bearing outer rollaway nest.Device includes laser, signal wire, controller, hot spot adjustment unit, manipulator A, video camera, camera lens, fixture, manipulator B, 45 ° of total reflective mirrors；The present invention keeps the spot intensity for being irradiated to curved surface raceway uniform using divergent lens, light spot shape and size are monitored in real time using camera, stringent control power density, provide a kind of method of uniform processing curve raceway, the method is limited smaller by curved surface size, has the advantages that equipment manufacturing costs are low.
Description
Technical field
The present invention relates to laser impact intensified device fields, refer in particular to a kind of real using divergent rays by monitoring hot spot parameter
Now internal concave arc flexure plane carries out the device of uniform laser processing.
Background technology
Do contact fricting movement workpiece due to surface long term by contact alternate stress acted on, surface will gradually receive
Fatigue corrosion and crack.After crackle generates, in next work can the expanded crack around over time,
Surface is caused to generate larger fatigue damage.Therefore, connecing in Metal Production, engineering construction, shipbuilding etc. and metal works
It touches operation and uses frequent industry, it is always significant problem to improve its contacting fatigue resistance with extension contact fatigue life.It is special
It is not some part such as bearings etc. based on contact movement, irregular contact surface difficulty of processing is big, it is difficult to effective to improve
Contact fatigue life.Although the method for traditional raising contact fatigue life includes the method for heat treatment, mechanic shot peening and rolling
With preferable effect, it can be difficult to realizing the processing at irregular surface and intractable dead angle, especially bearing is rolled into
This curvature of outer rollaway nest of this curved surface even ball bearing is the surface born.This brings difficulty to production work, realizes process
Complexity, consuming is larger, and processing efficiency is low, it is difficult to the identical processing effect in implementation rule surface.
Laser-impact is the popular method that can improve metal parts surface contact fatigue property a kind of at present, tool
Have it is applied widely, do not damage that substrate surface, cleannes are high, operating cost is low, environmentally safe, process flexibility is high one
Number of advantages has a good application prospect in terms of m of e.Application No. is 200910265427.3 middle promulgateds by the State Council
Bright patent application publication is a kind of to focus active unordered device and method for roller laser haired machine tool, is suitable for tubular material
The laser-impact disordering of outer surface is uniformly processed, but the method for its chopper disk and perturbator that use is to smaller curved surface part
Processing is more difficult.Application No. is 201210194974.4 Chinese invention patent applications to disclose a kind of multiple head laser disordered texturing
The processing method and process equipment of roller surface compare a upper patent, and generating matched laser using multiple lasers rushes
The method for hitting path accomplishes that the disordering on roller part surface is uniformly processed.Although laser is rushed in two above application for a patent for invention
The technology for hitting uniform processing curve has carried out certain breakthrough, but the object that uses and range-restricted larger, it is difficult to small-sized
Or mini-type tubular metallic walls are processed, and followed by can not be that negative tubular material inside is uniformly processed to curvature, to
Realization then needs more devices such as pipe material clamp and feed arrangement perfect, increases the manufacturing cost of equipment.
Invention content
The purpose of the present invention is to provide a kind of devices of laser processing ball bearing outer rollaway nest, realize and are rolled outside ball bearing
The uniform reinforcing in road.
A kind of device of laser processing ball bearing outer rollaway nest, it is characterised in that including：Laser, signal wire, controller,
Hot spot adjustment unit, manipulator A, video camera, camera lens, fixture, manipulator B, 45 ° of total reflective mirrors, hot spot adjustment unit includes hot spot
Apparatus for shaping, convergent lens, divergent lens A, divergent lens B；The laser beam that laser is sent out is saturating through spot shaping device, convergence
Mirror, divergent lens A, 45 ° of total reflective mirrors, divergent lens B are radiated at the raceway face of bearing bottom.
45 ° of total reflective mirrors are simultaneously at bearing centre, and with fixture plane in 45 ° of placements, position for video camera is on bearing side
Sky, camera lens face laser facula irradiation position, Observable laser facula leftward position and laser facula right positions, video camera with
Manipulator A is connected, and divergent lens B is horizontally arranged vertical with bearing axis between 45 ° of total reflective mirrors and bearing bottom；Bearing
On fixture, fixture is placed vertically, is connected with manipulator B；Bearing upper end and bearing bottom are mounted on fixture, manipulator
B is connected by signal wire with controller, and the position of adjustable manipulator B is right to adjust laser facula leftward position and laser facula
The range of side position；Controller can be changed by signal wire control machinery hand A video camera position make camera lens always and can observe it is sharp
Light hot spot overall picture.
The top focal position of the divergent lens B is overlapped with the roller surface curvature circle-center position of bearing bottom.
The spot shaping device is connected by signal wire with controller.
The course of work of apparatus of the present invention is as follows：
The first step：Bearing upper end and bearing bottom are fixed on fixture, and fixture is connected with manipulator B, ensure bearing centre
It is overlapped with the laser beam center that laser is sent out, then mobile manipulator B makes the top focal position and bearing of divergent lens B
The roller surface curvature circle-center position of bottom overlaps.
Second step：Camera monitors and calculates spot size and laser facula leftward position and laser facula right lateral position in real time
It sets, and obtained data is input to controller by signal wire, controller is according to the laser facula leftward position of gained and swashs
Light hot spot right positions judge whether manipulator B adjusts correctly, and controller control laser output makes its satisfaction impact add
The hot spot parameter of work；Camera is fixed on manipulator A, and the position to change camera lens can monitor on the left of laser facula
Position and laser facula right positions；Hot spot adjustment unit center is overlapped with the beam center that laser is sent out；In 45 ° of total reflective mirrors
The heart is overlapped with bearing centre；The focal length of convergent lens is more than the focal length of divergent lens A, the cooperation output uniform light of area of section
Beam.
Third walks：Controller controls laser and manipulator B cooperation runnings by the real-time observed data of camera lens makes machinery
Clamp strap dynamic bearing on hand B moves in a circle around axis is played, and changes the region in bearing bottom and completes regional area
360 ° of processing.
4th step：Controller controls laser and manipulator B cooperation running manipulators B by the real-time observed data of camera lens
On clamp strap dynamic bearing circled around the curvature circle-center of bearing bottom raceway face, walking cooperation with third completes entire rolling
360 ° of processing in road region.
5th step：After the laser-impact work for completing entire raceway region, laser is stopped, and video camera is stopped
And observation area is left with manipulator A, manipulator B band dynamic bearings leave machining area, remove bearing.
The present invention has advantageous effect
1. the present invention laser processing ball bearing outer rollaway nest device provide one kind can use laser machine size compared with
The method of the circular curved surface inner wall of small different inner diameters, i.e. apparatus of the present invention are applicable to the circular metal material of arbitrary inner diameter size
Expect the laser shocking processing of inner wall.
2. the method that the divergent lens focus that the present invention uses is overlapped with the roller bearing track section circular arc center of circle, makes microcosmic
Light and the normal in processing stand region overlap, and hot spot is enable to be radiated on the circular arc camber of metal with uniform power density, with
Traditional diamond-making technique is compared, and realizes uniform processing truly, processed metal surface is made to have obtained uniform reinforcing,
Processing effect is undesirable caused by intensity is non-uniform when solving the problems, such as to laser machine inner wall curved surface in the past.
3. the method for the hot spot for the video camera shooting machining area that the present invention uses, can monitor in real time and be irradiated on workpiece
Whether spot size and the band of position are optimal, and control the position of the manipulator of mandrel area and the watt level of laser,
Obtain optimal laser-impact parameter.
Description of the drawings
Fig. 1 is the schematic diagram for the device for laser machining ball bearing outer rollaway nest.
In figure：1. laser, 2. signal wires, 3. laser beams, 4. spot shaping devices, 5. controllers, 6. convergent lenses, 7.
Light beam adjustment unit, 8. divergent lens A, 9. manipulator A, 10. video cameras, 11. camera lenses, 12. bearing upper ends, 13. fixtures, 14.
Manipulator B, 15.45 ° of total reflective mirrors, 16. divergent lens B, 17. hot spot leftward positions, 18. hot spot right positions, 19. bearing bottoms
Portion.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the technical solution that present invention be described in more detail.
Embodiment
The device that domestic new model is handled for the laser-impact of 16010 deep groove ball bearing outer rollaway nest inner wall with the present invention
As shown in Figure 1, including：Laser 1, signal wire 2, controller 5, hot spot adjustment unit 7, manipulator A9, video camera 10, camera lens
11, fixture 13, manipulator B14,45 ° of total reflective mirrors 15, hot spot adjustment unit 7 include spot shaping device 4, convergent lens 6, diverging
Lens A8, divergent lens B16；45 ° of total reflective mirrors 15 are located at bearing centre, with 13 plane of fixture in 45 ° of placements, 10, video camera
In bearing side overhead, 11 face laser facula irradiation position of camera lens, Observable laser facula leftward position 17 and laser facula
Right positions 18, video camera 10 are connected with manipulator A9, divergent lens B16 between 45 ° of total reflective mirrors 15 and bearing bottom 19,
Bearing is mounted on fixture 19, and fixture 13 is placed vertically, is connected with manipulator B14.
Hot spot adjustment unit includes spot shaping device 4, convergent lens 6, divergent lens A8, divergent lens B15；The light
Spot apparatus for shaping 4, convergent lens 6, divergent lens A8 are from left to right sequentially placed, and 45 ° of total reflective mirrors 15 are located at bearing centre, diverging
Lens B16 is horizontal positioned vertical with bearing axis, and bearing upper end 12 and bearing bottom 19 are mounted on fixture 13, manipulator B14
It is connected with controller 5 by signal wire 2, can adjust the position of manipulator B14 to adjust laser facula leftward position 17 and laser
The range of hot spot right positions 18；The position that video camera 10 can be changed by signal wire control machinery hand A9 for controller 5 makes camera
Camera lens 11 can observe laser facula overall picture always.
The top focal position of divergent lens B16 is overlapped with below bearing 19 roller surface curvature circle-center position.Pass through mirror
First 11 real time monitoring tunable laser 1 and tool hand B14 makes hot spot leftward position 17 and hot spot right positions 18 at bearing bottom
The power density and size in portion 19 are optimal value.
The specific work process for implementing apparatus of the present invention is as follows：
The first step：Bearing upper end 12 and bearing bottom 19 are fixed on fixture 13, and fixture 13 is connected with manipulator B14, are protected
Card bearing centre is overlapped with 3 center of laser beam that laser 1 is sent out, according to the outer diameter 50mm mobile manipulators B14 of this kind of bearing
The top focal position for making divergent lens B16 is overlapped with the roller surface curvature circle-center position of bearing bottom 19.
Second step：Camera 10 monitors and calculates spot size and laser facula leftward position 17 in real time and laser facula is right
Side position 18, and obtained data are input to controller 5 by signal wire 2, controller 5 according to the laser facula of gained on the left of
Position 17 and laser facula right positions 18 judge whether manipulator B14 adjusts correctly, and the control laser 1 of controller 5 is defeated
Sening as an envoy to, it meets the hot spot parameter of impact processing；Camera 10 is fixed on manipulator A9, and the position to change camera lens 11 makes
It can monitor laser facula leftward position 17 and laser facula right positions 18；It is sent out with laser 1 at 7 center of hot spot adjustment unit
3 center of light beam gone out overlaps；45 ° of 15 centers of total reflective mirror are overlapped with bearing centre；The focal length of convergent lens 6 is more than divergent lens A8
Focal length, the uniform light beam of cooperation output area of section 3.
Third walks：Controller 5 controls laser 1 and manipulator B14 cooperation runnings by the real-time observed data of camera lens 11
So that the clamp strap dynamic bearing on manipulator B14 is moved in a circle around axis is played, changes the region completion office in bearing bottom 19
360 ° of processing in portion region.
4th step：Controller 5 controls laser 1 and manipulator B13 cooperation runnings by the real-time observed data of camera lens 11
Clamp strap dynamic bearing on manipulator B13 is circled around the curvature circle-center of 19 raceway face of bearing bottom, is matched with third step
Close 360 ° of processing for completing entire raceway region；
5th step：After the laser-impact work for completing entire raceway region, laser 1 is stopped, and video camera 10 stops
It works and leaves observation area with manipulator A9, manipulator B13 band dynamic bearings leave machining area, remove bearing.
Claims (4)
1. a kind of device of laser processing ball bearing outer rollaway nest, it is characterised in that：Described device include laser, signal wire,
Controller, hot spot adjustment unit, manipulator A, video camera, camera lens, fixture, manipulator B, 45 ° of total reflective mirrors, hot spot adjustment unit packet
Include spot shaping device, convergent lens, divergent lens A, divergent lens B；The laser beam that laser is sent out through spot shaping device,
Convergent lens, divergent lens A, 45 ° of total reflective mirrors, divergent lens B are radiated at the raceway face of bearing bottom；45 ° of total reflective mirrors are simultaneously
At bearing centre, with fixture plane in 45 ° of placements, position for video camera is shone in bearing side overhead, camera lens face laser facula
Position, Observable laser facula leftward position and laser facula right positions are penetrated, video camera is connected with manipulator A, divergent lens B
Between 45 ° of total reflective mirrors and bearing bottom, it is horizontally arranged vertical with bearing axis；Bearing is mounted on fixture, and fixture is vertical
It places, is connected with manipulator B；Bearing upper end and bearing bottom are mounted on fixture, and manipulator B passes through signal wire and controller phase
Even, the position of manipulator B is can adjust to adjust the range of laser facula leftward position and laser facula right positions；Controller is logical
Crossing the position of the changeable video cameras of signal wire control machinery hand A makes camera lens that can observe laser facula overall picture always.
2. a kind of device of laser processing ball bearing outer rollaway nest as described in claim 1, it is characterised in that：The diverging is saturating
The top focal position of mirror B is overlapped with the roller surface curvature circle-center position of bearing bottom.
3. a kind of device of laser processing ball bearing outer rollaway nest as described in claim 1, it is characterised in that：The hot spot is whole
Shape dress, which is set, to be connected by signal wire with controller.
4. utilizing the method for device as described in claim 1 processing ball bearing outer rollaway nest, which is characterized in that specific steps are such as
Under：
The first step：Bearing upper end and bearing bottom are fixed on fixture, and fixture is connected with manipulator B, are ensured bearing centre and are swashed
The laser beam center that light device is sent out overlaps, and then mobile manipulator B makes top focal position and the bearing bottom of divergent lens B
Roller surface curvature circle-center position overlap；
Second step：Camera monitors and calculates spot size and laser facula leftward position and laser facula right positions in real time,
And obtained data are input to controller by signal wire, controller is according to the laser facula leftward position and laser light of gained
Spot right positions judge whether manipulator B adjusts correctly, and controller control laser output makes it meet impact processing
Hot spot parameter；Camera is fixed on manipulator A, and the position to change camera lens can monitor laser facula leftward position
With laser facula right positions；Hot spot adjustment unit center is overlapped with the beam center that laser is sent out；45 ° of total reflective mirror centers with
Bearing centre overlaps；The focal length of convergent lens is more than the focal length of divergent lens A, the cooperation output uniform light beam of area of section；
Third walks：Controller controls laser and manipulator B cooperation runnings by the real-time observed data of camera lens to be made on manipulator B
Clamp strap dynamic bearing move in a circle around an axis is played, change the region in bearing bottom complete 360 ° of regional area plus
Work；
4th step：Controller is controlled by the real-time observed data of camera lens on laser and manipulator B cooperation running manipulators B
Clamp strap dynamic bearing is circled around the curvature circle-center of bearing bottom raceway face, and walking cooperation with third completes entire raceway area
360 ° of processing in domain；
5th step：Complete entire raceway region laser-impact work after, laser is stopped, video camera be stopped and with
Manipulator A leaves observation area, and manipulator B band dynamic bearings leave machining area, remove bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810238428.8A CN108559835B (en) | 2018-03-22 | 2018-03-22 | Device and method for laser processing of outer raceway of ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810238428.8A CN108559835B (en) | 2018-03-22 | 2018-03-22 | Device and method for laser processing of outer raceway of ball bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108559835A true CN108559835A (en) | 2018-09-21 |
| CN108559835B CN108559835B (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810238428.8A Active CN108559835B (en) | 2018-03-22 | 2018-03-22 | Device and method for laser processing of outer raceway of ball bearing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093494A (en) * | 2019-04-29 | 2019-08-06 | 中国航发北京航空材料研究院 | A kind of laser shock peening method and its device of bearing inner race |
| CN111235381A (en) * | 2020-03-17 | 2020-06-05 | 中国航空制造技术研究院 | Hole wall strengthening damage prevention method and device |
| CN111485094A (en) * | 2020-04-23 | 2020-08-04 | 江苏大学 | Device and method for strengthening inner wall and outer wall of metal pipe through laser shock |
| CN114686678A (en) * | 2022-04-24 | 2022-07-01 | 江苏大学 | Laser shock combination strengthening device and method for gear |
| CN114959248A (en) * | 2022-06-22 | 2022-08-30 | 沈阳工业大学 | Method for laser shock peening of bearing ring raceway surface |
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| CN114686678A (en) * | 2022-04-24 | 2022-07-01 | 江苏大学 | Laser shock combination strengthening device and method for gear |
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| CN114959248A (en) * | 2022-06-22 | 2022-08-30 | 沈阳工业大学 | Method for laser shock peening of bearing ring raceway surface |
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