CN104625424A - Internal combustion engine cylinder body inner wall laser etching device - Google Patents
Internal combustion engine cylinder body inner wall laser etching device Download PDFInfo
- Publication number
- CN104625424A CN104625424A CN201510041886.9A CN201510041886A CN104625424A CN 104625424 A CN104625424 A CN 104625424A CN 201510041886 A CN201510041886 A CN 201510041886A CN 104625424 A CN104625424 A CN 104625424A
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- CN
- China
- Prior art keywords
- laser
- cylinder body
- focus
- head
- encoder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
- B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
-
- 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
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
-
- 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
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a cylinder body inner wall laser etching device. The cylinder body inner wall laser etching device comprises a laser device, a machine tool and a control part. The laser device comprises a laser device body, a light path system and a focusing head. The machine tool comprises a working table, a machine frame and a drive mechanism. A workpiece clamp is installed on the working table. The light path system and the focusing head are arranged on the machine frame. The drive mechanism drives the focusing head to conduct feeding and rotating two-dimensional movement relative to a cylinder body. An industrial personal computer serves as a main part of the control part and controls an encoder and a sound and light power supply at the same time so that pulse lasers can be accurately controlled to acting on all positions of the inner wall of the cylinder body. On the basis of the laser texturing technology, the cylinder body inner wall laser etching device is high in pulse laser micro-pit etching speed and high in efficiency.
Description
Technical field
The pulse laser focusing that the invention belongs to Laser Processing equipment, particularly a kind of high repetition frequency forms the equipment of discrete type etching micro-pits machining to inboard wall of cylinder block surface.
Background technology
Cylinder body and piston ring are one of most important friction pairs in internal combustion engine, direct service life and the performance affecting internal combustion engine, due to its be operated in high temperature, at a high speed, under the mal-condition of high pressure, the various wearing and tearing of easy generation, and the service life of internal combustion engine and performance depend on this abrasion resistance to friction pair to a great extent.Motor cylinder block inwall mainly adopts emery stick mechanical lapping both at home and abroad at present, the eighties creates inboard wall of cylinder block laser quenching technology to improve cylinder body wearability, but laser quenching can not improve cylinder-piston this to the friction, lubrication condition of friction pair, be difficult to the integration objective reaching oil-saving discharging-reducing.In order to study inboard wall of cylinder block laser ablation pattern better to the friction of cylinder-piston ring and the impact of sealing property, development inboard wall of cylinder block laser processing device is particularly important.
Summary of the invention
The invention discloses a kind of internal combustion engine cylinders inner wall laser lithography device, described device comprises laser aid, lathe, control three part,
Described laser aid comprises laser instrument, light path system and focus head; Lathe part comprises workbench, frame and driving mechanism thereof, and described workbench is provided with work piece holder, frame is installed described light path system and described focus head, and described driving mechanism drives described focus head do feeding relative to cylinder body and rotate two dimensional motion; The critical piece of control section is industrial computer, controls described encoder and described acousto-optic power supply simultaneously, with accurate control impuls laser action each position in inboard wall of cylinder block.
Further, described focus head device is rotary movement.
Further, rotating mechanism is connected with described same shaft encoder, and cylinder body is motionless, and focus head rotates, and encoder is coaxial with focus head rotating spindle.
The invention also discloses the treating apparatus that a kind of combustion motor cylinder body carries out Laser Processing; described device comprises bottom and top feed device, laser optical path, focusing system, location and whirligig; described feed arrangement comprises electric rotating machine, leading screw and slide carriage; laser optical path comprises two panels laser mirror, one group of focusing system and gas shield device; focusing system comprises electric rotating machine, leading screw and regulates driving lever; positioner is hollow encoder, and whirligig is hollow electric rotating machine
Coaxial hollow electric rotating machine stiff end is connected on the fixed bar that is connected with the slide carriage of feed arrangement, and rotor movable end is connected with coaxial hollow encoder movable end; Connecting rod with Laser output head is connected with the hollow encoder of rotation; Focus adjustment motor is connected with focusing system, with rotary system sliding fit.
Further, during adjusting focal length, the bar with focus lamp only moves up and down under electric rotating machine drives, and does not rotate.
Further, gas input is connected with connecting rod, and gas by the gap between focusing rod and swingle sliding fit, and exports outside gas shield eyeglass in Laser output head, forms gas positive pressure protection to eyeglass.
Further, focusing system is connected with focusing lever, only move up and down relative to slide carriage, do not rotate, in laser import system, speculum has two, and above focus lamp, speculum is not taken exercises relative to slide carriage, and below focus lamp, speculum and delivery relative position are fixed, do not move up and down relative to slide carriage, only rotate.
Further, speculum maintains static relative to slide carriage, and speculum and Laser output head are fixed on swingle, along with the rotation laser beam of motor carries out circumferential rotary laser processing at inboard wall of cylinder block.
Further, the accurate sliding fit of focus adjustment bar and fixed bar, gap is little, and and gap between electric rotating machine, encoder and swingle larger.
Further, described device all can be used for other Laser Processing.
Remarkable result of the present invention is: it is fast that the present invention proposes pulse laser micro-hole lithography speed in laser roughening technical foundation, and efficiency is high.
Accompanying drawing explanation
Fig. 1 is the micro-pit device schematic diagram of inboard wall of cylinder block laser ablation of the present invention;
Fig. 2 is rotating laser head schematic diagram of the present invention;
Fig. 3 is rotating laser head stereogram of the present invention;
Fig. 4 is the profile of rotating laser head of the present invention.
Detailed description of the invention
Elaborate below in conjunction with the detailed description of the invention of accompanying drawing to a kind of internal combustion engine cylinders inner wall laser lithography device disclosed by the invention, and be not used to limit the scope of the invention.
As shown in Figure 1, the process unit of inboard wall of cylinder block laser ablation comprises laser aid, lathe, control three part.Described laser aid comprises laser instrument and light path system thereof and focus head; Lathe part comprises workbench, frame and driving mechanism thereof, and workbench is provided with work piece holder, frame is installed light-conducting system and focus head, and driving mechanism drives focus head do feeding relative to cylinder body and rotate two dimensional motion; Control section critical piece is industrial computer, connects same shaft encoder harmony photoelectric source drive part.Wherein, 1 is cylinder body, 2 is focus head device, pulse laser is by outer light path, inboard wall of cylinder block is focused on again by focus head device, focus head device has rotation and non rotating two kinds respectively, determine according to lithographic method, 3 is coaxial rotating encoder, Main Function is the precision controlling laser ablation position, 4 is industrial computer, Main Function is for be compiled as the control signal of telecommunication by micro-for etching hole distributed constant, be supplied to rotary encoder harmony photoelectric source, to realize micro-hole etching of specified distribution parameter, 5 is acousto-optic power supply, Main Function is that the control signal sent from industrial computer is converted to acousto-optic modulation signal, control laser instrument and send the pulse laser with controlled pulsewidth and power density, 6 is laser instrument (comprising refrigeration machine), act as the micro-pit device of etching and stable basement membrane laser is provided, 7 is the outside optical system of laser, effect is that the pulse laser sent from laser instrument 6 is guided to focus head 2, 8 is Machine Tool Feeding System.
The general principle of inboard wall of cylinder block laser ablation controlled distribution technology is: utilize the micro-hole of YAG laser ablation to control laser instrument output optical pulse by the signal of telecommunication controlling acousto-optic power supply, response speed is very fast, the feature of light pulse only a few microsecond of the delayed signal of telecommunication, the position of cylinder body is measured by checkout gear (high-accuracy high-resolution encoder), the signal of telecommunication controlling acousto-optic power supply 5 is produced after scaling down processing being become online to detection signal with industrial computer 4 by controlled distribution interface card and controlled distribution software, acousto-optic power supply 5 controls laser instrument 6 output optical pulse, accurate control inboard wall of cylinder block etches the circumferential spacing in micro-hole, drive focus head 2 to move the axial spacing accurately controlling the micro-hole of etching by tumbler (as lathe) leading screw simultaneously, thus realize cylinder body and etch the two-dimentional controlled distribution in micro-hole.
Inboard wall of cylinder block pulsed YAG laser lithography method is: cylinder body 1 is motionless, laser head 2 does translation and rotation, its structure as shown in Figure 1, laser head as shown in Figure 2, first stationary housing, the pulse laser sent from laser instrument 6 guides to inboard wall of cylinder block 1 by outer light path 7 and carries out lithography, by regulating laser parameter, realize the laser ablation of single micro-hole different-shape, laser head is equipped with hollow coaxial rotating encoder 3 and 11, by regulating rotating mechanism (as rotated core motor 10) parameter point distance, pitch and rotating speed, test the controlled of various inboard wall of cylinder block laser ablation parameter.Rotating mechanism 10 is connected with encoder 3, and entirety is connected with the feed system 2 of lathe, and by industrial computer 4 controlled encoder 3 and acousto-optic power supply 5 simultaneously, accurate control impuls laser action is in each position of inboard wall of cylinder block 1.Rotating mechanism 10 is connected with same shaft encoder 3, if cylinder body rotates, then encoder is coaxial with machine tool chief axis, if cylinder body is motionless, focus head rotates, then encoder is coaxial with focus head rotating spindle.
As shown in Figures 3 and 4, the present invention devises a set of rotary laser head unit and a kind of laser head locating rotation and the mode of feeding carries out the treating apparatus that combustion motor cylinder body carries out Laser Processing, comprises bottom and top feed device, laser optical path, focusing system, location and whirligig.Described feed arrangement comprises electric rotating machine, leading screw and slide carriage; laser optical path comprises two panels laser mirror, one group of focusing system and gas shield device; focusing system comprises electric rotating machine, leading screw and regulates driving lever, and positioner is hollow encoder, and whirligig is hollow electric rotating machine.Wherein, 9 is the slide carriage of whole laser head feed arrangement, and 10 is hollow coaxial motor; 11 is hollow same shaft encoder; 12 is swingle, and 13 is Laser output head, and 14 is focus adjustment motor; 15 is fixed bar; 16 is protective gas input head, and 17 is stationary mirror, and 18 is rotating mirror; 19 is focus adjustment bar, and 20 is focus lamp group.
The operation principle of rotating laser head is: whole laser head is all fixed on on feeding slide carriage 9, bottom and top feed motion can be done together with 9, the laser beam of longitudinal slide carriage 9 interstitial hole transfers downward incidence by speculum 17 to by glancing incidence, by focus lamp group 20, after focusing on, laser beam transfers glancing incidence to again by speculum 18, focuses on processing work inner wall surface by Laser output head 13.Wherein speculum 17 maintains static relative to slide carriage 9, speculum 18 and Laser output head 13 are fixed on swingle 12, along with the rotation laser beam of motor 10 carries out circumferential rotary laser processing at inboard wall of cylinder block, focus lamp 20 is fixed on focus adjustment bar 19, adjusting rod 19 does moving up and down relative to slide carriage 9 along with the rotation of focus adjustment motor 14, thus accomplish the adjustable of focal length, coaxial hollow electric rotating machine 10 stiff end is connected on fixed bar 15, fixed bar 15 is connected with slide carriage 9 simultaneously, coaxial hollow encoder 11 stiff end is connected with the stiff end of electric rotating machine 10, rotor movable end is connected with coaxial hollow encoder 11 movable end, the movable end of coaxial hollow encoder 11 connects rotor and the swingle 12 of motor, Inspect and control is carried out to laser beam Working position signal, during adjusting focal length, the bar with focus lamp only moves up and down under electric rotating machine drives, and does not rotate.Focus adjustment bar 19 and the accurate sliding fit of fixed bar 15; gap is little; and and gap between electric rotating machine 10, encoder 11 and swingle 12 larger; protective gas device 16 is connected with larger gap; gas by these comparatively wide arc gap discharge from Laser output head 13, thus serve the object of eyeglass in the whole laser head of protection.Focus adjustment motor 14 is connected with focusing system, with rotary system sliding fit.
The present invention devises a set of pulse laser micro-hole etching equipment, and correspond respectively to the inner wall laser etching of cylinder body and cylinder body, propose to adopt the processing method rotated in inner rotary and swivel head, these methods can be used for the Laser Processing of miscellaneous part inwall.
The foregoing is only the preferred embodiments of the present invention, the numerical value mentioned in the description of above-mentioned description and number range are not limited to the present invention, just for the invention provides preferred embodiment, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a processing unit (plant) for inboard wall of cylinder block laser ablation, described device comprises laser aid, lathe, control three part,
Described laser aid comprises laser instrument, light path system and focus head; Lathe part comprises workbench, frame and driving mechanism thereof, and described workbench is provided with work piece holder, frame is installed described light path system and described focus head, and described driving mechanism drives described focus head do feeding relative to cylinder body and rotate two dimensional motion; The critical piece of control section is industrial computer, controls described encoder and described acousto-optic power supply simultaneously, with accurate control impuls laser action each position in inboard wall of cylinder block.
2. device according to claim 1, is characterized in that, cylinder body is motionless, and focus head rotates, and encoder is coaxial with focus head rotating spindle.
3. a combustion motor cylinder body carries out the treating apparatus of Laser Processing; described device comprises bottom and top feed device, laser optical path, focusing system, location and whirligig; described feed arrangement comprises electric rotating machine, leading screw and slide carriage; laser optical path comprises two panels laser mirror, one group of focusing system and gas shield device; focusing system comprises electric rotating machine, leading screw and regulates driving lever; positioner is hollow encoder, and whirligig is hollow electric rotating machine
Coaxial hollow electric rotating machine stiff end is connected on the fixed bar that is connected with the slide carriage of feed arrangement, and rotor movable end is connected with coaxial hollow encoder movable end; Connecting rod with Laser output head is connected with the hollow encoder of rotation; Focus adjustment motor is connected with focusing system, with rotary system sliding fit.
4. device according to claim 3, is characterized in that, during adjusting focal length, the bar with focus lamp only moves up and down under electric rotating machine drives, and does not rotate.
5. device according to claim 3; it is characterized in that, gas input is connected with connecting rod, and gas is by the gap between focusing rod and swingle sliding fit; and export outside gas shield eyeglass in Laser output head, gas positive pressure protection is formed to eyeglass.
6. device according to claim 3, it is characterized in that, focusing system is connected with focusing lever, only move up and down relative to slide carriage, do not rotate, in laser import system, speculum has two, above focus lamp, speculum is not taken exercises relative to slide carriage, and speculum and delivery relative position are fixed below focus lamp, do not move up and down relative to slide carriage, only rotate.
7. device according to claim 3, is characterized in that, speculum maintains static relative to slide carriage, and speculum and Laser output head are fixed on swingle, along with the rotation laser beam of motor carries out circumferential rotary laser processing at inboard wall of cylinder block.
8. device according to claim 3, is characterized in that, the accurate sliding fit of focus adjustment bar and fixed bar, and gap is little, and and gap between electric rotating machine, encoder and swingle larger.
9. the device according to claim 1 or 3, is characterized in that, described device all can be used for the Laser Processing of other inner wall surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041886.9A CN104625424B (en) | 2015-01-28 | 2015-01-28 | A kind of internal combustion engine cylinders inner wall laser lithography device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041886.9A CN104625424B (en) | 2015-01-28 | 2015-01-28 | A kind of internal combustion engine cylinders inner wall laser lithography device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104625424A true CN104625424A (en) | 2015-05-20 |
| CN104625424B CN104625424B (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510041886.9A Active CN104625424B (en) | 2015-01-28 | 2015-01-28 | A kind of internal combustion engine cylinders inner wall laser lithography device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202307A (en) * | 2017-11-24 | 2019-01-15 | 中国航空制造技术研究院 | A kind of laser punching device |
| CN115464873A (en) * | 2022-09-16 | 2022-12-13 | 珠海市协正智能装备有限公司 | Pressure maintaining device, attaching pressure maintaining device and pressure maintaining method |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202307A (en) * | 2017-11-24 | 2019-01-15 | 中国航空制造技术研究院 | A kind of laser punching device |
| CN115464873A (en) * | 2022-09-16 | 2022-12-13 | 珠海市协正智能装备有限公司 | Pressure maintaining device, attaching pressure maintaining device and pressure maintaining method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104625424B (en) | 2017-06-30 |
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