CN104475969B - A kind of single light source parallel connection rotates ventilation Laser Processing axis system - Google Patents

A kind of single light source parallel connection rotates ventilation Laser Processing axis system Download PDF

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Publication number
CN104475969B
CN104475969B CN201410677465.0A CN201410677465A CN104475969B CN 104475969 B CN104475969 B CN 104475969B CN 201410677465 A CN201410677465 A CN 201410677465A CN 104475969 B CN104475969 B CN 104475969B
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main shaft
laser
laser processing
eyeglass
trans
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CN104475969A (en
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康正阳
符永宏
王林森
陈天阳
符号
纪敬虎
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Jiangsu University
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Jiangsu University
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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
    • B23K26/36—Removing material
    • 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
    • B23K26/02—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
    • B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
    • 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
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor

Abstract

The invention discloses the parallel connection of a kind of single light source and rotate ventilation Laser Processing axis system, be applicable to the Laser Processing to porous part bore area.Technical scheme of the present invention is divided into groups by Laser Processing main shaft, and often organize the transmission system layered arrangement of Laser Processing main shaft, and the rotation of each Laser Processing main shaft is by same driven by motor.By the energy in part of lasing light emitter, and import Laser Processing main shaft respectively via outer light path; The logical assist gas in main shaft inside, assist gas and laser coaxial export.Laser output of the present invention and main shaft rotary motion are single source, avoid the crudy that laser power fluctuation and mechanical oscillation cause to greatest extent unstable, beneficial effect is that working (machining) efficiency promotes at double, and system architecture is more compact, and the stability of a system improves.Especially, the present invention is particularly useful for the Laser Processing on the multicylinder engine cylinder holes surface had compared with aperture pitch.

Description

A kind of single light source parallel connection rotates ventilation Laser Processing axis system
Technical field
The present invention relates to the parallel connection of a kind of single light source and rotate ventilation Laser Processing axis system, belong to the special process field of machine-building.
Background technology
Laser Processing have unstressed, do not contact, the easy advantage such as focusing, efficient energy-saving, be widely used in machinery manufacturing industry.Existing bore area laser processing technology mainly contains: 1, laser quenching, utilizes laser thermal effect to harden bore area, significantly promotes bore area hardness and wearability; 2, the micro-texture of laser, at pit or the groove of bore area processing micron yardstick, reduces coefficient of friction between friction pair; 3, laser melting coating, directed concentrated wear or failed areas of repairing bore area.
Endoporus laser process equipment has common structure, as Chinese patent CN200510116292.6 discloses a kind of laser honing instrument, will be catadioptric to bore area with incident laser axial along hole, and main shaft has rotated processing.Chinese patent CN201110155778.6 discloses a kind of rotary laser head system for surface micro-moulding, and Timing Belt transmits the rotary motion of spindle motor.Chinese patent CN02111930.9 discloses a kind of friction pair working surface micro-hole digital controlled laser formation method and device, and it makes parts with frication pair rotate, and uses pulse laser to process micro-hole at piece surface.Chinese patent ZL98113899.3 discloses a kind of light beam rotating feed system for hole laser quenching, adopt condenser lens and end reflector at axial synchro-feed, mode only by end reflector spin achieves light beam rotating feed scanning, reaches the object of hole laser quenching.Chinese patent ZL03155579.9 discloses a kind of honing method and honing device, and the honing head that honing stone is housed is inserted in cylinder-bore, and rotating honing head makes it to move vertically simultaneously, thus carries out grinding to the internal circular surfaces of cylinder bore diameter.
Endoporus processing structure disclosed in above-mentioned patent all contains the technical characteristic that main shaft rotates, but said structure is when machining small spacing (as multi-cylinder cylinder block) part, due to pitch of holes restriction, machining spindle cannot be arranged continuously along each axis hole, therefore gradation is needed to process porous part (as multi-cylinder cylinder block), part overall processing overlong time, working (machining) efficiency is low.Gradation processing also causes each hole machined quality uneven.For checking the crudy of porous part whether qualified, need detect each hole successively, cause quality inspection links complicated, checkability is low.
Summary of the invention
The present invention is directed to that apertures inner bore of part surface laser working (machining) efficiency is low, crudy is difficult to consistent problem, propose the parallel connection of a kind of single light source and rotate ventilation Laser Processing axis system, be particularly useful for the Laser Processing on the multicylinder engine cylinder holes surface had compared with aperture pitch.Because the rotary motion of Laser output single source, Laser Processing main shaft is driven by same spindle motor, avoid the crudy that laser power fluctuation and mechanical oscillation cause to greatest extent unstable, working (machining) efficiency is promoted at double, and system architecture is more compact, and the stability of a system improves.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of single light source parallel connection rotates ventilation Laser Processing axis system, it is characterized in that: comprise main shaft rotary subsystem, main shaft translation subsystem, LASER Light Source subsystem, outer light path subsystem, auxiliary gas subsystem;
Described main shaft rotary subsystem comprises spindle motor, shaft coupling, driven shaft, multiple electrical machine belt pulley, multiple Timing Belt, multiple primary shaft belt pulley, multiple Laser Processing main shaft; The output of spindle motor connects driven shaft by shaft coupling, and driven shaft is installed multiple electrical machine belt pulley, electrical machine belt pulley connects primary shaft belt pulley by Timing Belt, and each primary shaft belt pulley connects a Laser Processing main shaft;
Described main shaft translation subsystem comprises transmission case, upright guide rail, and described multiple Laser Processing main shaft is all arranged on transmission case, and transmission case inside is air chamber, and described air chamber is confined space, is connected with assist gas in air chamber; Transmission case is arranged on the slide block of upright guide rail, and the slide block of upright guide rail moves and makes the translation vertically of multiple Laser Processing main shafts;
Described LASER Light Source subsystem comprises lasing light emitter, and described lasing light emitter comprises: laserresonator, multiple semi-reflective mirror sheet and multiple eyeglass that is all-trans; The laser beam that laserresonator produces is through semi-reflective mirror sheet repeatedly light splitting and the eyeglass multiple reflections that is all-trans, and become the multiple laser bundle that energy is equal, the spacing of the shoot laser bundle of lasing light emitter is regulated by the distance be all-trans between eyeglass and semi-reflective mirror sheet;
Described outer light path subsystem comprises multiple eyeglass that is all-trans, multiple laser head, multiple condenser lens and speculum; The laser beam that lasing light emitter exports by the eyeglass that is all-trans reflects respectively and enters each Laser Processing main shaft; Each Laser Processing main shaft end connects a laser head, by vertical laser beam reflection to horizontal direction; Described condenser lens is fixed on each Laser Processing main shaft bottom or each laser head is inner, and described speculum is fixed on below laser head inside, condenser lens; Described laser beam enters vertical incidence condenser lens after Laser Processing main shaft, and condenser lens converges laser beam to Laser Processing power demand density, and exposes to the bore area of workpiece via speculum;
Described auxiliary gas subsystem comprises sealed mirror, axle sleeve pore and main shaft pore, valve A, appendix, valve B; Sealed mirror is installed on described multiple Laser Processing main shaft top, the assist gas of sealed mirror sealing main shaft inside; Described multiple Laser Processing main shaft is all assemblied in axle sleeve, and described axle sleeve runs through described air chamber respectively, axle sleeve has axle sleeve pore, main shaft has main shaft pore; It is inner that assist gas passes into Laser Processing main shaft via axle sleeve pore, main shaft pore; Valve A derives the assist gas in main shaft, and assist gas enters valve B by appendix; Described valve B is fixed on laser head, and assist gas finally by valve B ejection at a high speed, brushes surface of the work.
Further, described Laser Processing main shaft has 4, is respectively Laser Processing principal axis A, Laser Processing main shaft B, Laser Processing main shaft C and Laser Processing main shaft D;
Described electrical machine belt pulley 2 is upper strata electrical machine belt pulley and lower floor's electrical machine belt pulley, and described Timing Belt 2 is upper strata Timing Belt and lower floor's Timing Belt, described primary shaft belt pulley 4, is primary shaft belt pulley A, primary shaft belt pulley B, primary shaft belt pulley C and primary shaft belt pulley D; Upper strata electrical machine belt pulley and lower floor's electrical machine belt pulley of same model are housed respectively at the differing heights of driven shaft; Upper strata electrical machine belt pulley and primary shaft belt pulley B, primary shaft belt pulley D form a toothed belt transmission plane, and upper strata electrical machine belt pulley drives Laser Processing main shaft B by upper strata Timing Belt, Laser Processing main shaft D rotates; Lower floor's electrical machine belt pulley and primary shaft belt pulley A, primary shaft belt pulley C form a toothed belt transmission plane, and lower floor's electrical machine belt pulley drives Laser Processing principal axis A and Laser Processing main shaft C to rotate by lower floor's Timing Belt.
Further, in described LASER Light Source subsystem, described semi-reflective mirror sheet 3, comprises semi-reflective mirror sheet A, semi-reflective mirror sheet B and semi-reflective mirror sheet C; Described 3, the eyeglass that is all-trans, comprises the eyeglass A that is all-trans, is all-trans eyeglass B and the eyeglass C that is all-trans; The two bundle laser that the laser beam that laserresonator produces is divided into energy equal through semi-reflective mirror sheet A, wherein a branch of change direction is vertical incidence; Another bundle, transmitted through semi-reflective mirror sheet A, does not change direction of transfer, more parallel with front a branch of laser beam after the eyeglass A that is all-trans reflects; Semi-reflective mirror sheet B and semi-reflective mirror sheet C respectively to after two bundle laser again light splitting, then through eyeglass B and the eyeglass C reflex that is all-trans of being all-trans, obtains laser beam A, laser beam B, laser beam C and laser beam D that energy is equal; The shoot laser interfascicular distance of lasing light emitter is by the eyeglass A and semi-reflective mirror sheet A that is all-trans, and be all-trans eyeglass B and semi-reflective mirror sheet C, and the distance be all-trans between eyeglass C and semi-reflective mirror sheet B regulates.
Further, in described outer light path subsystem, described in be all-trans 4, eyeglass, comprise the eyeglass D that is all-trans, the eyeglass E that is all-trans, be all-trans eyeglass F and the eyeglass G that is all-trans; Described laser beam A is reflected into vertical laser beam A by the eyeglass D that is all-trans, vertical laser beam A incident laser machining spindle A; Described laser beam B is reflected into vertical laser beam B by the eyeglass E that is all-trans, vertical laser beam B incident laser machining spindle B; Described laser beam C is reflected into vertical laser beam C by the eyeglass F that is all-trans, vertical laser beam C incident laser machining spindle C; Described laser beam D is reflected into vertical laser beam D by the eyeglass G that is all-trans, vertical laser beam D incident laser machining spindle D.
Further, the rated speed of described spindle motor is greater than 1000 revs/min, and laser Continuous irradiation inner hole of workpiece surface, carries out surface hardening process to bore area.
Further, the assist gas in described air chamber is the mixing of one or more in oxygen, nitrogen and argon gas.
Further, the rotating speed of spindle motor is 0-1800 rev/min, the movement output end assembling small machine belt wheel of spindle motor, Laser Processing principal axis A, Laser Processing main shaft B, Laser Processing main shaft C and Laser Processing main shaft D hold the large primary shaft belt pulley of assembling, are decreasing transmission between spindle motor and each Laser Processing main shaft; The rotating speed of Laser Processing principal axis A, Laser Processing main shaft B, Laser Processing main shaft C and Laser Processing main shaft D is 0-600 rev/min, by laser, micro Process is carried out to cylinder holes surface, etch nick hole or very low power pattern, the diameter dimension of described nick hole pattern is 10 μm of-1mm, width 10 μm of-0.5mm of described very low power, length is greater than 0.5mm.
Technical scheme of the present invention, the beneficial effect of realization comprises:
1, the part containing n endoporus processed by n root Laser Processing main shaft simultaneously, and each Laser Processing main shaft makes axial rotation motion and axial translational movement; Achieve the parallel fabrication of the bore area of porous part, working (machining) efficiency is promoted at double, beat requirement in the industrial production line that is content with very little.
2, the transmission system multilayer of many Laser Processings main shaft is arranged, and driven by same spindle motor, the cylinder holes surface of processing multicylinder engine cylinder body, when multicylinder engine cylinder holes pitch of holes is limited, the transmission system multilayer of many Laser Processings main shaft is arranged and is made when spindle motor to Laser Processing main shaft is decreasing transmission, by Laser Processing main shaft being equipped with the larger primary shaft belt pulley of diameter, realizing larger reduction of speed and comparing transmission; In the less demanding Laser Processing occasion of some speeds of mainshaft, texture processing as micro-in laser, laser melting coating etc., large reduction of speed ratio can make spindle motor be operated in close to declared working condition.The transmission scheme of large reduction of speed ratio can also improve Laser Processing main shaft repetitive positioning accuracy, is particularly useful for high-precision laser processing, texture processing as micro-in laser.Each Laser Processing main shaft is driven by same spindle motor, makes the motion state of each Laser Processing main shaft identical, avoids the impact of mechanical oscillation on the stability of a system to greatest extent; And make whole system structure relative compact, simple.
3, the beam of laser bundle produced by laserresonator is by semi-reflective mirror sheet and the eyeglass n decile that is all-trans, incident each Laser Processing main shaft respectively, realize on the consistent basis of mechanical movement at each Laser Processing main shaft, realize the consistent of each Laser Processing main shaft Output of laser energy further.The uniformity of each Laser Processing spindle machine motion and Laser output energy, ensure that the uniformity of Laser Processing effect jointly.For porous part, as engine cylinder-body, unification processing not only makes each hole machined uniform quality, also reduces the complexity of subsequent detection link, and the sampling observation on production line is without the need to detecting all cylinder holes surface.Ensure that each hole has identical crudy, reduce quality inspection workload, General Promotion working (machining) efficiency.
It is unstable that the present invention avoids the crudy that laser power fluctuation and mechanical oscillation cause to greatest extent, and working (machining) efficiency is promoted at double, and system architecture is more compact, and the stability of a system improves.Present invention also ensures each hole and there is identical crudy, reduce quality inspection difficulty and workload.
Accompanying drawing explanation
Fig. 1 is axis system side view cutaway drawing.
Fig. 2 is axis system transmission front view.
Fig. 3 is axis system drive disk assembly top view.
Fig. 4 is the light path arrangement top view of lasing light emitter.
Fig. 5 is axis system decreasing transmission top view.
In figure, 1, spindle motor; 2, shaft coupling; 3, upper strata electrical machine belt pulley; 4, lower floor's electrical machine belt pulley; 5, transmission case; 6, upper strata Timing Belt; 7, lower floor's Timing Belt; 8, sealed mirror; 9, Laser Processing principal axis A; 10, air chamber; 11, axle sleeve pore; 12, main shaft pore; 13, valve A; 14, appendix; 15, speculum; 16, valve B; 17, primary shaft belt pulley A; 18, primary shaft belt pulley B; 19, primary shaft belt pulley C; 20, primary shaft belt pulley D; 21, cylinder body; 22, Laser Processing main shaft B; 23, Laser Processing main shaft C; 24 Laser Processing main shaft D; 25 condenser lenses; 30, vertical laser beam A; 31, vertical laser beam B; 32, vertical laser beam C; 33, vertical laser beam D; 34, lasing light emitter; 35, laserresonator; 36, semi-reflective mirror sheet A; 37, semi-reflective mirror sheet B; 38, semi-reflective mirror sheet C; 39, be all-trans eyeglass A; 40, be all-trans eyeglass B; 41, be all-trans eyeglass C; 42, be all-trans eyeglass D; 43, be all-trans eyeglass E; 44, be all-trans eyeglass F; 45, be all-trans eyeglass G; 50, laser beam A; 51, laser beam B; 52, laser beam C; 53, laser beam D; 55, upright guide rail; 60, small machine belt wheel; 61, large primary shaft belt pulley.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail:
Embodiment one, as Figure 1-4, processing object of the present invention is 4 Cylinder engine cylinder bodies 21 in upright arrangement, and each cylinder holes axis is in same plane and equidistant arrangement.Accordingly, the present invention has Laser Processing principal axis A 9, Laser Processing main shaft B22, Laser Processing main shaft C23 and Laser Processing main shaft D24; The axis of Laser Processing principal axis A 9 overlaps with cylinder holes A, and the axis of Laser Processing main shaft B22 overlaps with cylinder holes B, and the axis of Laser Processing main shaft C23 overlaps with cylinder holes C, and the axis of Laser Processing main shaft D24 overlaps with cylinder holes D.Lasing light emitter 34 outgoing laser beam A50, laser beam B 51, laser beam C52 and laser beam D53; Described laser beam A50 is reflected into vertical laser beam A30 by the eyeglass D42 that is all-trans, vertical laser beam A30 incident laser machining spindle A9; Described laser beam B 51 is reflected into vertical laser beam B 31 by the eyeglass E43 that is all-trans, vertical laser beam B 31 incident laser machining spindle B22; Described laser beam C52 is reflected into vertical laser beam C32 by the eyeglass F44 that is all-trans, vertical laser beam C32 incident laser machining spindle C23; Described laser beam D53 is reflected into vertical laser beam D33 by the eyeglass G45 that is all-trans, vertical laser beam D33 incident laser machining spindle D24.
Single light source parallel connection rotates ventilation Laser Processing axis system and comprises main shaft rotary subsystem, main shaft translation subsystem, LASER Light Source subsystem, outer light path subsystem, auxiliary gas subsystem.Main shaft rotary subsystem comprises spindle motor 1, shaft coupling 2, driven shaft, upper strata electrical machine belt pulley 3 and lower floor's electrical machine belt pulley 4, upper strata Timing Belt 6 and lower floor's Timing Belt 7, primary shaft belt pulley A17, primary shaft belt pulley B18, primary shaft belt pulley C19 and primary shaft belt pulley D20, Laser Processing principal axis A 9, Laser Processing main shaft B22, Laser Processing main shaft C23 and Laser Processing main shaft D24; The output of spindle motor 1 connects driven shaft by shaft coupling 2, and upper strata electrical machine belt pulley 3 and lower floor's electrical machine belt pulley 4 of same model are housed respectively at the differing heights of driven shaft; Electrical machine belt pulley connects primary shaft belt pulley by Timing Belt, and each primary shaft belt pulley connects a Laser Processing main shaft; Upper strata electrical machine belt pulley 3 and primary shaft belt pulley B18, primary shaft belt pulley D20 form a toothed belt transmission plane, and upper strata electrical machine belt pulley 3 drives Laser Processing main shaft B22, Laser Processing main shaft D24 to rotate by upper strata Timing Belt 6; Lower floor's electrical machine belt pulley 4 and primary shaft belt pulley A17, primary shaft belt pulley C19 form a toothed belt transmission plane, and lower floor's electrical machine belt pulley 4 drives Laser Processing principal axis A 9 and Laser Processing main shaft C23 to rotate by lower floor's Timing Belt 7.
Described main shaft translation subsystem comprises transmission case 5, upright guide rail 55, described 4 Laser Processing main shafts are all arranged on transmission case 5, transmission case inside is air chamber 10, described air chamber 10 is confined space, being connected with assist gas in air chamber 10, is the mixing of one or more in oxygen, nitrogen and argon gas.Transmission case 5 is arranged on the slide block of upright guide rail, and the movement of upright guide rail makes 4 Laser Processing main shaft translations vertically;
Described LASER Light Source subsystem comprises lasing light emitter 34, and described lasing light emitter 34 comprises: laserresonator 35, semi-reflective mirror sheet A36, semi-reflective mirror sheet B37 and semi-reflective mirror sheet C38, and the eyeglass A39 that is all-trans, be all-trans eyeglass B40 and the eyeglass C41 that is all-trans; The two bundle laser that the laser beam that laserresonator 35 produces is divided into energy equal through semi-reflective mirror sheet A36, wherein a branch of change direction is vertical incidence; Another bundle, transmitted through semi-reflective mirror sheet A36, does not change direction of transfer, more parallel with front a branch of laser beam after the eyeglass A39 that is all-trans reflects; Semi-reflective mirror sheet B37 and semi-reflective mirror sheet C38 respectively to after two bundle laser again light splitting, then through eyeglass B40 and the eyeglass C41 reflex that is all-trans of being all-trans, obtains laser beam A50, laser beam B 51, laser beam C52 and laser beam D53 that energy is equal; The shoot laser interfascicular distance of lasing light emitter 34 is by the eyeglass A39 and semi-reflective mirror sheet A36 that is all-trans, and be all-trans eyeglass B40 and semi-reflective mirror sheet C38, and the distance be all-trans between eyeglass C41 and semi-reflective mirror sheet B37 regulates.
Described outer light path subsystem comprises the eyeglass D42 that is all-trans, the eyeglass E43 that is all-trans, be all-trans eyeglass F44 and the eyeglass G45 that is all-trans; Laser head, condenser lens 25 and speculum 15; Described laser beam A50 is reflected into vertical laser beam A30 by the eyeglass D42 that is all-trans, vertical laser beam A30 incident laser machining spindle A9; Described laser beam B 51 is reflected into vertical laser beam B 31 by the eyeglass E43 that is all-trans, vertical laser beam B 31 incident laser machining spindle B22; Described laser beam C52 is reflected into vertical laser beam C32 by the eyeglass F44 that is all-trans, vertical laser beam C32 incident laser machining spindle C23; Described laser beam D53 is reflected into vertical laser beam D33 by the eyeglass G45 that is all-trans, vertical laser beam D33 incident laser machining spindle D24.Each Laser Processing main shaft end connects a laser head, by vertical laser beam reflection to horizontal direction; Described condenser lens 25 is fixed on each Laser Processing main shaft bottom or each laser head is inner, and described speculum 15 is fixed on below laser head inside, condenser lens 25; Described laser beam enters vertical incidence condenser lens 25 after Laser Processing main shaft, and condenser lens 25 converges laser beam to Laser Processing power demand density, and exposes to the bore area of workpiece via speculum 15;
Described auxiliary gas subsystem comprises sealed mirror 8, axle sleeve pore 11 and main shaft pore 12, valve A13, appendix 14, valve B16; Sealed mirror 8 is installed on described multiple Laser Processing main shaft top, and sealed mirror 8 seals the assist gas of main shaft inside; Described 4 Laser Processing main shafts are all assemblied in axle sleeve, and described axle sleeve runs through described air chamber 10 respectively, axle sleeve has axle sleeve pore 11, main shaft has main shaft pore 12; It is inner that assist gas passes into Laser Processing main shaft via axle sleeve pore 11, main shaft pore 12; Valve A13 derives the assist gas in main shaft, and assist gas enters valve B16 by appendix 14; Described valve B16 is fixed on laser head, and assist gas finally by valve B16 ejection at a high speed, brushes surface of the work.The rated speed of described spindle motor (1) is greater than 1000 revs/min, and laser Continuous irradiation inner hole of workpiece surface, carries out surface hardening process to bore area.
Single light source parallel connection in the present embodiment rotates ventilation Laser Processing axis system and carries out Laser Processing to cylinder holes each on four cylinder engine cylinder body simultaneously, and spindle motor 1 to Laser Processing principal axis A 9, Laser Processing main shaft B22, Laser Processing main shaft C23 and Laser Processing main shaft D24 are constant speed drive.The spinning motion of Laser Processing principal axis A 9, Laser Processing main shaft B22, Laser Processing main shaft C23 and Laser Processing main shaft D24, and the vertical motion that upright guide rail 55 provides, complete the Laser Processing of whole each cylinder holes internal surface of column.
Embodiment two as shown in Figure 5.
Embodiment two is with the difference of embodiment one, and embodiment two completes Laser Micro-Machining on cylinder holes surface, and described Laser Micro-Machining is refered in particular to and gone out pit or groove pattern by laser in cylinder holes surface etch, and the diameter dimension of described pit pattern is 10 μm of-1mm; Width 10 μm of-0.5mm of described groove, length is greater than 0.5mm.In described laser micromachining process, the rotating speed of spindle motor is 0-1800 rev/min, for making the operating mode of spindle motor 1 close to its declared working condition, realize decreasing transmission, reduction of speed is than being 3:1, the movement output end assembling small machine belt wheel 60 of spindle motor 1, Laser Processing principal axis A 9, Laser Processing main shaft B22, Laser Processing main shaft C23 and Laser Processing main shaft D24 hold the large primary shaft belt pulley 61 of assembling; The scheme of primary shaft belt pulley layered arrangement is also conducive to adopting large reduction of speed to compare transmission.Therefore, the rotating speed of Laser Processing principal axis A 9, Laser Processing main shaft B22, Laser Processing main shaft C23 and Laser Processing main shaft D24 is 0-600 rev/min.
Drive disk assembly of the present invention can also adopt gear drive.
Above content is in conjunction with preferred embodiment further description made for the present invention; can not assert that the specific embodiment of the present invention is only limitted to this; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; some simple deduction or replace can also be made, all should be considered as belonging to the scope of patent protection that the present invention is determined by submitted to claims.

Claims (7)

1. single light source parallel connection rotates a ventilation Laser Processing axis system, it is characterized in that: comprise main shaft rotary subsystem, main shaft translation subsystem, LASER Light Source subsystem, outer light path subsystem, auxiliary gas subsystem;
Described main shaft rotary subsystem comprises spindle motor (1), shaft coupling (2), driven shaft, multiple electrical machine belt pulley, multiple Timing Belt, multiple primary shaft belt pulley, multiple Laser Processing main shaft; The output of spindle motor (1) connects driven shaft by shaft coupling (2), and driven shaft is installed multiple electrical machine belt pulley, electrical machine belt pulley connects primary shaft belt pulley by Timing Belt, and each primary shaft belt pulley connects a Laser Processing main shaft;
Described main shaft translation subsystem comprises transmission case (5), upright guide rail (55), described multiple Laser Processing main shaft is all arranged on transmission case (5), transmission case (5) inside is air chamber (10), described air chamber (10) is confined space, and air chamber is connected with assist gas in (10); Transmission case (5) is arranged on the slide block of upright guide rail, and the slide block of upright guide rail moves and makes the translation vertically of multiple Laser Processing main shafts;
Described LASER Light Source subsystem comprises lasing light emitter (34), and described lasing light emitter (34) comprising: laserresonator (35), multiple semi-reflective mirror sheet and multiple eyeglass that is all-trans; The laser beam that laserresonator (35) produces is through semi-reflective mirror sheet repeatedly light splitting and the eyeglass multiple reflections that is all-trans, become the multiple laser bundle that energy is equal, the spacing of the shoot laser bundle of lasing light emitter (34) is regulated by the distance be all-trans between eyeglass and semi-reflective mirror sheet;
Described outer light path subsystem comprises multiple eyeglass that is all-trans, multiple laser head, multiple condenser lens (25) and speculum (15); The laser beam that lasing light emitter (34) exports reflects and enters each Laser Processing main shaft by the eyeglass that is all-trans respectively; Each Laser Processing main shaft end connects a laser head, by vertical laser beam reflection to horizontal direction; Described condenser lens (25) is fixed on each Laser Processing main shaft bottom or each laser head is inner, and described speculum (15) is fixed on laser head inside, condenser lens (25) below; Described laser beam enters vertical incidence condenser lens (25) after Laser Processing main shaft, and condenser lens (25) converges laser beam to Laser Processing power demand density, and exposes to the bore area of workpiece via speculum (15);
Described auxiliary gas subsystem comprises sealed mirror (8), axle sleeve pore (11) and main shaft pore (12), valve A (13), appendix (14), valve B (16); Sealed mirror (8) is installed on described multiple Laser Processing main shaft top, the assist gas of sealed mirror (8) sealing main shaft inside; Described multiple Laser Processing main shaft is all assemblied in axle sleeve, and described axle sleeve runs through described air chamber (10) respectively, axle sleeve has axle sleeve pore (11), main shaft has main shaft pore (12); It is inner that assist gas passes into Laser Processing main shaft via axle sleeve pore (11), main shaft pore (12); Valve A (13) derives the assist gas in main shaft, and assist gas enters valve B (16) by appendix (14); Described valve B (16) is fixed on laser head, and assist gas finally by valve B (16) ejection at a high speed, brushes surface of the work.
2. a kind of single light source parallel connection according to claim 1 rotates ventilation Laser Processing axis system, it is characterized in that: described Laser Processing main shaft has 4, be respectively Laser Processing principal axis A (9), Laser Processing main shaft B (22), Laser Processing main shaft C (23) and Laser Processing main shaft D (24);
Described electrical machine belt pulley 2, for upper strata electrical machine belt pulley (3) and lower floor's electrical machine belt pulley (4), described Timing Belt 2, for upper strata Timing Belt (6) and lower floor's Timing Belt (7), described primary shaft belt pulley 4 is primary shaft belt pulley A (17), primary shaft belt pulley B (18), primary shaft belt pulley C (19) and primary shaft belt pulley D (20); Upper strata electrical machine belt pulley (3) and lower floor's electrical machine belt pulley (4) of same model are housed respectively at the differing heights of driven shaft; Upper strata electrical machine belt pulley (3) and primary shaft belt pulley B (18), primary shaft belt pulley D (20) form a toothed belt transmission plane, and upper strata electrical machine belt pulley (3) drives Laser Processing main shaft B (22) by upper strata Timing Belt (6), Laser Processing main shaft D (24) rotates; Lower floor's electrical machine belt pulley (4) and primary shaft belt pulley A (17), primary shaft belt pulley C (19) form a toothed belt transmission plane, and lower floor's electrical machine belt pulley (4) drives Laser Processing principal axis A (9) and Laser Processing main shaft C (23) to rotate by lower floor's Timing Belt (7).
3. a kind of single light source parallel connection according to claim 2 rotates ventilation Laser Processing axis system, it is characterized in that: in described LASER Light Source subsystem, described semi-reflective mirror sheet 3, comprises semi-reflective mirror sheet A (36), semi-reflective mirror sheet B (37) and semi-reflective mirror sheet C (38); Described 3, the eyeglass that is all-trans, comprises the eyeglass A (39) that is all-trans, is all-trans eyeglass B (40) and the eyeglass C (41) that is all-trans; The two bundle laser that the laser beam that laserresonator (35) produces is divided into energy equal through semi-reflective mirror sheet A (36), wherein a branch of change direction is vertical incidence; Another bundle, transmitted through semi-reflective mirror sheet A (36), does not change direction of transfer, more parallel with front a branch of laser beam after eyeglass A (39) reflection of being all-trans; Semi-reflective mirror sheet B (37) and semi-reflective mirror sheet C (38) is respectively to after two bundle laser again light splitting, again through eyeglass B (40) and eyeglass C (41) reflex that is all-trans of being all-trans, obtain laser beam A (50), laser beam B (51), laser beam C (52) and laser beam D (53) that energy is equal; The shoot laser interfascicular of lasing light emitter (34) is apart from being regulated by be all-trans eyeglass A (39) and semi-reflective mirror sheet A (36), the eyeglass B (40) and semi-reflective mirror sheet C (38) that is all-trans, the distance be all-trans between eyeglass C (41) and semi-reflective mirror sheet B (37).
4. a kind of single light source parallel connection according to claim 3 rotates ventilation Laser Processing axis system, it is characterized in that: in described outer light path subsystem, described 4, the eyeglass that is all-trans, comprises the eyeglass D (42) that is all-trans, the eyeglass E (43) that is all-trans, is all-trans eyeglass F (44) and the eyeglass G (45) that is all-trans; Described laser beam A (50) is reflected into vertical laser beam A (30) by the eyeglass D (42) that is all-trans, vertical laser beam A (30) incident laser machining spindle A (9); Described laser beam B (51) is reflected into vertical laser beam B (31) by the eyeglass E (43) that is all-trans, vertical laser beam B (31) incident laser machining spindle B (22); Described laser beam C (52) is reflected into vertical laser beam C (32) by the eyeglass F (44) that is all-trans, vertical laser beam C (32) incident laser machining spindle C (23); Described laser beam D (53) is reflected into vertical laser beam D (33) by the eyeglass G (45) that is all-trans, vertical laser beam D (33) incident laser machining spindle D (24).
5. the single light source parallel connection according to Claims 1-4 any one rotates ventilation Laser Processing axis system, it is characterized in that: the rated speed of described spindle motor (1) is greater than 1000 revs/min, laser Continuous irradiation inner hole of workpiece surface, carries out surface hardening process to bore area.
6. the single light source parallel connection according to Claims 1-4 any one rotates ventilation Laser Processing axis system, it is characterized in that: the assist gas in described air chamber (10) is the mixing of one or more in oxygen, nitrogen and argon gas.
7. the single light source parallel connection according to claim 2 to 4 any one rotates ventilation Laser Processing axis system, it is characterized in that: the rotating speed of spindle motor is 0-1800 rev/min, movement output end assembling small machine belt wheel (60) of spindle motor (1), Laser Processing principal axis A (9), Laser Processing main shaft B (22), Laser Processing main shaft C (23) and Laser Processing main shaft D (24) the end large primary shaft belt pulley of assembling (61) are decreasing transmission between spindle motor (1) and each Laser Processing main shaft; The rotating speed of Laser Processing principal axis A (9), Laser Processing main shaft B (22), Laser Processing main shaft C (23) and Laser Processing main shaft D (24) is 0-600 rev/min, by laser, micro Process is carried out to cylinder holes surface, etch nick hole or very low power pattern, the diameter dimension of described nick hole pattern is 10 μm of-1mm, width 10 μm of-0.5mm of described very low power, length is greater than 0.5mm.
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EP0859261A1 (en) * 1997-02-04 1998-08-19 Miyachi Technos Corporation Laser beam-splitting apparatus
JP2002011584A (en) * 2000-06-28 2002-01-15 Sumitomo Heavy Ind Ltd Multi-axis laser machining device and method of laser machining
CN101020277A (en) * 2007-03-22 2007-08-22 苏州德龙激光有限公司 Distributed laser processing system
JP2010151878A (en) * 2008-12-24 2010-07-08 Dainippon Screen Mfg Co Ltd Light beam branching unit and exposure device
CN102151990A (en) * 2011-04-01 2011-08-17 江苏大学 Rotary laser head auxiliary gas transmission device for laser processing machine tool
CN102380712A (en) * 2011-10-31 2012-03-21 东莞宏威数码机械有限公司 Multistage homenergic light splitting system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0859261A1 (en) * 1997-02-04 1998-08-19 Miyachi Technos Corporation Laser beam-splitting apparatus
JP2002011584A (en) * 2000-06-28 2002-01-15 Sumitomo Heavy Ind Ltd Multi-axis laser machining device and method of laser machining
CN101020277A (en) * 2007-03-22 2007-08-22 苏州德龙激光有限公司 Distributed laser processing system
JP2010151878A (en) * 2008-12-24 2010-07-08 Dainippon Screen Mfg Co Ltd Light beam branching unit and exposure device
CN102151990A (en) * 2011-04-01 2011-08-17 江苏大学 Rotary laser head auxiliary gas transmission device for laser processing machine tool
CN102380712A (en) * 2011-10-31 2012-03-21 东莞宏威数码机械有限公司 Multistage homenergic light splitting system

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