CN106271040B - A kind of devices and methods therefor for spherome surface laser micro molding - Google Patents
A kind of devices and methods therefor for spherome surface laser micro molding Download PDFInfo
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- CN106271040B CN106271040B CN201610715098.8A CN201610715098A CN106271040B CN 106271040 B CN106271040 B CN 106271040B CN 201610715098 A CN201610715098 A CN 201610715098A CN 106271040 B CN106271040 B CN 106271040B
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- laser
- guide rail
- cylinder table
- spherical workpieces
- lead screw
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
Abstract
The invention discloses a kind of spherome surface laser micro molding devices and methods therefor, belongs to surface micro-moulding field, including power supply box, laser, light pipe, ccd video camera, laser head, cylinder table, enters and give rotary system, lathe base.Its implementation is to place 4 on the table symmetrical to enter to give rotary system, the point to be processed on spherical workpieces is gone to the underface of laser head by 4 symmetrical mutual cooperations for entering to give rotary system, then focused using ccd video camera, laser output pulse laser completes processing, the controllable micro- hole of depth can be got in spherical workpieces surface optional position by repeating this process, so as to realize the laser micro molding of spherome surface.The present invention has the advantages that automaticity is high, high in machining efficiency, accuracy is high, environmentally safe.
Description
Technical field
The present invention relates to surface micro-moulding field, more particularly to a kind of device for spherome surface laser micro molding and
Its method.
Background technology
Surface micro-moulding technology is exactly that the microcosmic moulding of the geometrical morphology of suitable rule is carried out in friction pair working surface,
Surface of friction pair frictional behaviour can be so significantly improved, is increased the service life, reduces energy consumption.It is existing micro- in spherome surface progress
The method of moulding is mainly diamond pressure carving technology, i.e., with diamond tool by pressing carving technology to manufacture rule row in piece surface
The various micromorphologies of row, the micro-texturing asperities processed are determined by the pattern on coining tool surface, but diamond coining tool
Complex manufacturing technology, cost are high, and surface diamond easily comes off rupture.
Laser micro molding technology carries out the moulding of micro asperities using laser in workpiece surface.Laser micro molding technology it is excellent
Point is that process velocity is fast, environmentally safe, no tool wear, and the shape of micro forming can be adjusted by changing laser parameter
Shape and size.Chinese patent document CN200810124514.2 discloses a kind of laser surface modelling engine piston ring and its system
Preparation Method, this document on the piston ring, lower surface carry out laser micro molding, i.e., carry out laser micro molding in the plane, but do not have
It is related to carrying out laser micro molding in spherome surface.Chinese patent document CN201310265852.9 discloses oneself of a kind of bearing
Lubrication processing method, this document take laser micro molding to handle bearing surface, but are not involved with and bearing roller is swashed
The processing of light micro forming.
The content of the invention
The present invention in order to solve the problems, such as to be difficult at present to spherome surface carry out micro forming processing, there is provided one kind utilize ball
Body surface face laser micro molding devices and methods therefor, the devices and methods therefor are applicable to different size of spheroid class outer surface of workpiece
Micro forming is carried out, and the shape of micro forming, size and depth are controllable.
Technical scheme is as follows：
A kind of device for spherome surface laser micro molding, including laser, light pipe, laser head, cylinder table and enter
Give rotary system；
The laser sends laser end and is connected with light pipe；The light pipe and laser head are perpendicular, the laser
Head includes speculum and focus lamp；The mirror mirror and focus lamp are at 45 °, and focus lamp is parallel with light pipe；It is described to swash
Bare headed upper end is provided with ccd video camera；Cylinder table is provided with immediately below the laser head；
The cylinder table is fixed on lathe base；And four are uniformly distributed on peripheries with centered on cylinder table and enters to give rotation system
System；
It is described enter give rotary system include base, guide rail, U-shaped guide rail bracket, lead screw shaft, pressure sensor, sleeve, first
Shaft coupling, stepping motor, second shaft coupling, servomotor, feed screw nut, support frame and support block；
Two guide rails being parallel to each other are installed on the base；Lead screw shaft is provided between two guide rails；It is described
Lead screw shaft both ends are supported by support frame respectively；It is connected among lead screw shaft with feed screw nut；Lead screw shaft can relative support frame and
Feed screw nut rotates；And lead screw shaft one end is connected by second shaft coupling with servomotor；
U-shaped guide rail bracket is installed on the guide rail；The U-shaped guide rail bracket can move along guide rail；On the U-shaped guide rail bracket
Support block is installed on end face；Feed screw nut is fixed with lower surface；The support block center is provided with hole A, the sleeve installation
In the A of hole, sleeve one end is connected by first shaft coupling with stepping motor；Other end end is provided with pressure sensor.
Further, the laser is arranged on power supply box.
Further, the cylinder table is T-shaped structure.
Further, cylinder table upper surface center offers cylinder groove B.
Further, the cylinder table top and bottom are threaded connection.
For the processing method of the device of spherome surface laser micro molding, comprise the following steps：
S1, spherical workpieces to be processed are placed on cylinder table；
S2, cause the left and right sides two servomotors rotate simultaneously, by lead screw shaft push rail frame along guide rail to
Cylinder table motion where spherical workpieces, two clamping forces between sleeve and spherical workpieces in left and right are detected using pressure sensor, when
When thrust reaches certain numerical value, two servomotors of the left and right sides stop operating；
S3, after two servomotors in step S2 stop operating, using ccd video camera to by condensing lens focus on
Laser beam is focused, and adjusts laser output parameters, exports pulse laser；
S4, controller output signal, the stepping motor of left and right two rotate simultaneously, spherical workpieces subsequent point is gone to ball
Heart O is the ZOX planes of the origin of coordinates, and two servomotors of the left and right sides rotate release spherical workpieces simultaneously；
S5, former and later two servomotors rotate simultaneously, make former and later two sleeve clamping spherical workpieces, then former and later two
Stepping motor rotates simultaneously, spherical workpieces subsequent point is gone to ZOY planes, and then former and later two servomotors rotate simultaneously
Spherical workpieces are unclamped, a course of work is completed, then repeats the above-mentioned course of work, so as in spherical workpieces surface optional position
Get the controllable micro- hole of depth.
Beneficial effect：
1. can be applied to different size of spheroid class outer surface of workpiece carries out micro forming, and the shape of micro forming, size
And depth is controllable.Obtained sphere part coefficient of friction is small, and micro- hole can also play a part of store oil, so as to reduce abrasion, prolongs
The service life of prolate sphere workpiece.
2. placed on lathe base 4 it is symmetrical centered on cylinder table enter to give rotary system, it is right by 4
Claim the mutual cooperation for entering to give rotary system of distribution that the point to be processed on spherical workpieces is gone to the underface of laser head, then
Focused using ccd video camera, laser output pulse laser completes processing, can be appointed by repeating this process in spherome surface
The controllable micro- hole of depth is got in meaning position, so as to realize the laser micro molding of spherome surface.
3. solve laser spheroid class workpiece surface carry out micro forming problem, have process velocity it is fast, efficiency high and
And accuracy it is high the advantages that.
4. automaticity of the present invention is high, automatic charging and blanking system can be added, automation processing is easily realized, enters one
Raising efficiency is walked, reduces cost.
5. cylinder table top and bottom are threaded connection, pass through rotation, thus it is possible to vary the height of cylinder table.
6. cylinder table upper surface center offers groove B, spherical work-piece can be placed in groove, played positioning well and made
With.
Brief description of the drawings
Fig. 1 is the structural representation for the device that the present invention is used for spherome surface laser micro molding；
Fig. 2 is transmission and rotary system and the top view of cylinder table；
Fig. 3 is transmission and the structural representation of rotary system；
Fig. 4 is transmission and the schematic diagram of rotary system section components；
Fig. 5 is index path inside laser head；
Fig. 6 is cylinder table schematic diagram；
Fig. 7 is spherical workpieces micro forming effect diagram；
Fig. 8 is workflow diagram.
Reference is as follows：
1- power supply boxs；2- lasers；3- light pipes；4-CCD video cameras；5- laser heads；6- cylinder tables；7-, which enters, gives rotation
System；8- lathe bases；9- speculums；10- focus lamps；11- spherical work-pieces；7.1- base；7.2- guide rail；7.3-U shape guide rails
Frame；7.4- lead screw shaft；7.5- pressure sensor；7.6- sleeve；7.7- first shaft coupling；7.8- stepping motor；7.9- second
Shaft coupling；7.10- servomotor；7.11- feed screw nuts, 7.12- support frames；7.13- support block.
Embodiment
For the present invention will be further described, it is situated between in conjunction with 1 to 8 pair of technical scheme of accompanying drawing is further
Continue.
A kind of device for spherome surface laser micro molding, including laser 2, light pipe 3, laser head 5, cylinder table 6
With enter to give rotary system 7；
The laser 2 sends laser end and is connected with light pipe 3；The light pipe 3 and laser head 5 are perpendicular, described
Laser head 5 includes speculum 9 and focus lamp 10；The minute surface of speculum 9 is in 45 ° with focus lamp 10, and focus lamp 10 and leaded light
Pipe 3 is parallel；The upper end of laser head 5 is provided with ccd video camera 4；The underface of the laser head 5 is provided with cylinder table 6；
The cylinder table 6 is fixed on lathe base 8；And four are uniformly distributed on peripheries with centered on cylinder table 6 and enters to give rotation
Transfer from one department to another system 7；
It is described enter give rotary system 7 include base 7.1, guide rail 7.2, U-shaped guide rail bracket 7.3, lead screw shaft 7.4, pressure pass
Sensor 7.5, sleeve 7.6, first shaft coupling 7.7, stepping motor 7.8, second shaft coupling 7.9, servomotor 7.10, leading screw
Nut 7.11, support frame 7.12 and support block 7.13；
Two guide rails being parallel to each other 7.2 are installed on the base 7.1；Silk is provided between two guide rails 7.2
Thick stick axle 7.4；The both ends of lead screw shaft 7.4 are supported by support frame 7.12 respectively；The centre of lead screw shaft 7.4 and the phase of feed screw nut 7.11
Connection；Lead screw shaft 7.4 can relative support frame 7.12 and feed screw nut 7.11 rotate；And the one end of lead screw shaft 7.4 passes through the second shaft coupling
Device 7.9 is connected with servomotor 7.10；
U-shaped guide rail bracket 7.3 is installed on the guide rail 7.2；The U-shaped guide rail bracket 7.3 can move along guide rail 7.2；Institute
State and support block 7.13 is installed on the upper surface of U-shaped guide rail bracket 7.3；Feed screw nut 7.11 is fixed with lower surface；The support block
7.13 centers are provided with hole A, and the sleeve 7.6 is arranged in the A of hole, and the one end of sleeve 7.6 is electronic by first shaft coupling 7.7 and stepping
Machine 7.8 is connected；Other end end is provided with pressure sensor 7.5.
The laser 2 is arranged on power supply box 1.
The cylinder table 6 is T-shaped structure.
For the processing method of the device of spherome surface laser micro molding, comprise the following steps：
S1, spherical workpieces 11 to be processed are placed on cylinder table 6；
S2, two servomotors 7.10 of the left and right sides are rotated simultaneously, pass through the push rail frame of lead screw shaft 7.4
7.3 are moved along guide rail 7.2 to the place cylinder table 6 of spherical workpieces 11, and two sleeves 7.6 in left and right are detected using pressure sensor 7.5
The clamping force between spherical workpieces 11, when thrust reaches certain numerical value, the servomotor 7.10 of the left and right sides stops turning
It is dynamic；
S3, after the servomotor 7.10 of the left and right sides in step S2 stops operating, using ccd video camera 4 to warp
Overbunching mirror 10 focuses on laser beam and focused, and adjusts the output parameter of laser 2, exports pulse laser；
S4, the stepping motor 7.8 of the left and right sides rotate simultaneously, the subsequent point of spherical workpieces 11 is gone to using centre of sphere O as seat
The ZOX planes of origin are marked, then controller output signal, the servomotor 7.10 of the left and right sides rotates simultaneously unclamps spheroid work
Part 11；
S5, former and later two servomotors 7.10 rotate simultaneously, former and later two sleeves 7.6 is clamped spherical workpieces 11, so
Former and later two stepping motors 7.8 rotate simultaneously afterwards, the subsequent point of spherical workpieces 11 is gone to ZOY planes, then former and later two are watched
Take motor 7.10 while rotate and unclamp spherical workpieces 11, complete a course of work, then repeat the above-mentioned course of work, so as to
The controllable micro- hole of depth is got in the surface optional position of spherical workpieces 11.
As shown in figure 1, power supply box 1, laser 2, light pipe 3, ccd video camera 4, laser head 5, cylinder table 6, entering to give rotation
Transfer from one department to another system 7, lathe base 8；Laser 2 is located at the top of power supply box 1, and ccd video camera 4 is located at the surface of laser head 5, the circle
Pylon 6 can adjust height up and down by rotation along screw rod；
As shown in Fig. 2 on lathe base 8 place 4 directions all around along cylinder table 6 it is symmetrical enter to give rotation
Transfer from one department to another system 7.
As shown in figure 3, entering to give rotary system 7 includes guide rail 7.2, guide rail bracket 7.3, lead screw shaft 7.4, pressure sensor
7.5th, sleeve 7.6, shaft coupling 7.7, second shaft coupling 7.9 and servomotor 7.10 and controller, guide rail bracket 7.3 is by servo electricity
Motivation 7.10 is moved by the drives edge guide rail 7.2 of lead screw shaft 7.4, and lead screw shaft 7.4 passes through the second shaft coupling with servomotor 7.10
Device 7.9 connects；Sleeve 7.6 is driven by stepping motor 7.10；Pass through the first shaft coupling between sleeve 7.6 and stepping motor 7.10
Device 7.7 connects.
As shown in figure 4, guide rail bracket 7.3 is connected with lead screw shaft 7.4 by feed screw nut 7.11, lead screw shaft 7.4 and support frame
7.12 it is connected through a screw thread.
As shown in figure 5, the laser that laser 2 is launched is transferred on speculum 9 by light pipe 3, focusing is then reflexed to
On mirror 10, laser focuses on workpiece surface by focus lamp 10, ccd video camera 4 be located at speculum 9 and focus lamp 10 just on
Side, the i.e. upper end positioned at laser head 5.
As shown in fig. 6, be connected through a screw thread between cylinder table 6 and lathe base 9, can be to circle by rotational circle pylon 6
The height of pylon 6 is adjusted, and the upper surface center of cylinder table 6 offers a cylinder groove B, spheroid can be placed on into cylinder during installation
In groove B.
As shown in fig. 7, it is the spherical workpieces 11 after processing.
As shown in figure 8, spheroid to be processed is placed on cylinder table 6, controller output signal, the servo of the left and right sides
Motor 7.10 rotates simultaneously, is transported using the push rail frame 7.3 of lead screw shaft 7.4 along guide rail 7.2 to the position of spherical workpieces 11
It is dynamic, there is pressure sensor 7.5 on sleeve 7.6, when clamping force reaches certain numerical value between left and right sleeve 7.6 and spherical workpieces 11
When, the servomotor 7.10 of the left and right sides stops operating；Then focused using ccd video camera 4, judge whether that regulation swashs
The output parameter of light device 2, if then adjusting the output parameter of laser 2, if otherwise laser 2 exports pulse laser；Then judge be
The no next point of processing, if otherwise the servomotor 7.10 of the left and right sides rotates release spherical workpieces 11, removes spherical workpieces
11, if then controller output signal, the stepping motor 7.8 of the left and right sides rotates simultaneously, the point to be processed is gone to ZOX and puts down
On face；Then the servomotor 7.10 of the left and right sides rotates simultaneously unclamps spherical workpieces 1, former and later two servomotors 7.10
Rotate simultaneously, front and rear sleeve 7.6 is clamped spherical workpieces 11, then former and later two stepping motors 7.8 rotate simultaneously, make to add
The point of work is gone in ZOY planes；Then former and later two servomotors 7.10 rotate simultaneously, front and rear sleeve 7.6 is unclamped spheroid；
Then controller output signal, the servomotor 7.10 of left and right two rotate simultaneously, left and right sleeve 7.6 is clamped spheroid, then
Repeat the focusing of ccd video camera 4 and export pulse laser step to laser 2, complete to process next point；Then above-mentioned mistake is repeated
Journey, can be to get the controllable micro- hole of depth in the surface optional position of spherical workpieces 11.
The embodiment is preferred embodiment of the invention, but the present invention is not limited to above-mentioned embodiment, not
Away from the present invention substantive content in the case of, those skilled in the art can make it is any it is conspicuously improved, replace
Or modification belongs to protection scope of the present invention.
Claims (6)
1. a kind of device for spherome surface laser micro molding, it is characterised in that including laser (2), light pipe (3), swash
Bare headed (5), cylinder table (6) and enter to give rotary system (7)；
The laser (2) sends laser end and is connected with light pipe (3)；The light pipe (3) and laser head (5) are perpendicular,
The laser head (5) includes speculum (9) and focus lamp (10)；Speculum (9) minute surface and focus lamp (10) are at 45 °, and
Focus lamp (10) is parallel with light pipe (3)；Laser head (5) upper end is provided with ccd video camera (4)；The laser head (5)
Underface is provided with cylinder table (6)；
The cylinder table (6) is fixed on lathe base (8)；And it is uniformly distributed on peripheries with four centered on cylinder table (6) and enters to give
Rotary system (7)；
It is described enter give rotary system (7) include base (7.1), guide rail (7.2), U-shaped guide rail bracket (7.3), lead screw shaft (7.4),
Pressure sensor (7.5), sleeve (7.6), first shaft coupling (7.7), stepping motor (7.8), second shaft coupling (7.9), watch
Take motor (7.10), feed screw nut (7.11), support frame (7.12) and support block (7.13)；
Two guide rails being parallel to each other (7.2) are installed on the base (7.1)；It is provided between two guide rails (7.2)
Lead screw shaft (7.4)；Lead screw shaft (7.4) both ends are supported by support frame (7.12) respectively；Lead screw shaft (7.4) centre and leading screw
Nut (7.11) is connected；Lead screw shaft (7.4) can relative support frame (7.12) and feed screw nut (7.11) rotation；And lead screw shaft
(7.4) one end is connected by second shaft coupling (7.9) with servomotor (7.10)；
U-shaped guide rail bracket (7.3) is installed on the guide rail (7.2)；The U-shaped guide rail bracket (7.3) can move along guide rail (7.2)
It is dynamic；Support block (7.13) is installed on U-shaped guide rail bracket (7.3) upper surface；Feed screw nut (7.11) is fixed with lower surface；
Support block (7.13) center is provided with hole A, and the sleeve (7.6) is arranged in the A of hole, and sleeve (7.6) one end passes through first
Axle device (7.7) is connected with stepping motor (7.8)；Other end end is provided with pressure sensor (7.5).
2. the device according to claim 1 for spherome surface laser micro molding, it is characterised in that the laser
(2) it is arranged on power supply box (1).
3. the device according to claim 1 for spherome surface laser micro molding, it is characterised in that the cylinder table
(6) it is T-shaped structure.
4. the device according to claim 3 for spherome surface laser micro molding, it is characterised in that the cylinder table
(6) upper surface center offers cylinder groove B.
5. the device according to claim 3 for spherome surface laser micro molding, it is characterised in that the cylinder table
(6) top and bottom are threaded connection.
6. the processing method of the device for spherome surface laser micro molding according to claim any one of 1-5, it is special
Sign is, comprises the following steps：
S1, spherical workpieces (11) to be processed are placed on cylinder table (6)；
S2, two servomotors (7.10) of the left and right sides are rotated simultaneously, pass through lead screw shaft (7.4) push rail frame
(7.3) cylinder table (6) motion where along guide rail (7.2) to spherical workpieces (11), pressure sensor (7.5) detection left and right two is utilized
Clamping force between individual sleeve (7.6) and spherical workpieces (11), when thrust reaches certain numerical value, the servo-electric of the left and right sides
Machine (7.10) stops operating；
S3, after the servomotor (7.10) of the left and right sides in step S2 stops operating, using ccd video camera (4) to warp
Overbunching mirror (10) focuses on laser beam and focused, and adjusts laser (2) output parameter, exports pulse laser；
S4, the stepping motor (7.8) of the left and right sides rotate simultaneously, spherical workpieces (11) subsequent point is gone to using centre of sphere O as seat
Mark the ZOX planes of origin, then controller output signal while rotates release spheroid at the servomotor (7.10) of the left and right sides
Workpiece (11)；
S5, front and rear servomotor (7.10) rotate simultaneously, front and rear sleeve (7.6) is clamped spherical workpieces (11), then
Former and later two stepping motors (7.8) rotate simultaneously, spherical workpieces (11) subsequent point is gone to ZOY planes, then front and rear to watch
Take motor (7.10) while rotate and unclamp spherical workpieces (11), complete a course of work, then repeat the above-mentioned course of work,
So as to get the controllable micro- hole of depth in spherical workpieces (11) surface optional position.
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| CN201610715098.8A CN106271040B (en) | 2016-08-24 | 2016-08-24 | A kind of devices and methods therefor for spherome surface laser micro molding |
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| CN201610715098.8A CN106271040B (en) | 2016-08-24 | 2016-08-24 | A kind of devices and methods therefor for spherome surface laser micro molding |
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| CN107160023B (en) * | 2017-06-20 | 2019-08-02 | 新昌县科创自动化设备有限公司 | A kind of intelligent positioning high-frequency induction welder and its welding method |
| CN107225324A (en) * | 2017-07-19 | 2017-10-03 | 江苏大学 | A kind of efficient circulation utilizes the laser processing device for aiding in gas |
| CN109702331A (en) * | 2019-01-22 | 2019-05-03 | 深圳市杰普特光电股份有限公司 | Sphere rotating device |
| CN111958319A (en) * | 2020-08-17 | 2020-11-20 | 枣庄科技职业学院 | Spatial positioning measuring device and method for three-dimensional numerical control machine tool |
| CN112475610B (en) * | 2020-11-24 | 2022-09-02 | 江苏希西维轴承有限公司 | Spherical surface laser micromachining device and method for joint bearing |
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| US3522647A (en) * | 1968-02-19 | 1970-08-04 | Lennox Ind Inc | Method of making a spherical container |
| DE102004008256B3 (en) * | 2004-02-19 | 2005-09-08 | Siemens Ag | Method for shaping a laser beam, laser processing method |
| CN102179630B (en) * | 2011-04-01 | 2014-10-29 | 江苏大学 | Laser micromachining device for surface of engine cylinder and machining method of laser micromachining device |
| CN204381626U (en) * | 2014-12-02 | 2015-06-10 | 武汉钢铁(集团)公司 | A kind of hollow ball welding equipment |
| CN204449652U (en) * | 2014-12-20 | 2015-07-08 | 衡水金达机电设备有限公司 | A kind of Work fixing device |
| CN205254412U (en) * | 2015-12-11 | 2016-05-25 | 苏州天弘激光股份有限公司 | Thread positioning fixture |
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