CN105290619B - laser engraving machine - Google Patents

laser engraving machine Download PDF

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Publication number
CN105290619B
CN105290619B CN201510909003.1A CN201510909003A CN105290619B CN 105290619 B CN105290619 B CN 105290619B CN 201510909003 A CN201510909003 A CN 201510909003A CN 105290619 B CN105290619 B CN 105290619B
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CN
China
Prior art keywords
axis
steel plate
transmission mechanism
shaft
servomotor
Prior art date
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Active
Application number
CN201510909003.1A
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Chinese (zh)
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CN105290619A (en
Inventor
覃晓鸣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Kingbefound Laser Technology Co Ltd
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Shenzhen Kingbefound Laser Technology Co Ltd
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Priority to CN201510909003.1A priority Critical patent/CN105290619B/en
Publication of CN105290619A publication Critical patent/CN105290619A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08Devices involving relative movement between laser beam and workpiece
    • B23K26/083Devices involving movement of the workpiece in at least one axial direction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/0643Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/0665Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for focusing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08Devices involving relative movement between laser beam and workpiece
    • B23K26/0869Devices involving movement of the laser head in at least one axial direction
    • B23K26/0876Devices involving movement of the laser head in at least one axial direction in at least two axial directions

Abstract

The invention discloses a kind of laser engraving machine, including:Machine base, the workbench in machine base and portal frame, the electric control system for controlling the course of work and the AC shaft devices for driving tool motion;The workbench includes:Base steel plate, located at base steel plate lower end drive Y-axis transmission mechanism that it moves forward and backward and be used for the switchboards of job guide rail of installing workpiece located at base steel plate upper end;The portal frame includes:Z-axis transmission mechanism and the X-axis transmission mechanism located at crossbeam front-end driven Z-axis transmission mechanism side-to-side movement that the two root posts set relatively, the crossbeam for being fixed on column upper end, driving AC shaft devices move up and down.Laser engraving efficiency high of the present invention, impulse- free robustness, environmentally friendly, pollution-free, noise is small, do not wear and tear cutter, be conducive to numer centre simplifying of integral device, the planer-type milling machine being made up of workbench, portal frame and electric control system, so that tool motion is flexible, working range wide, do not limited by working space.

Description

Laser engraving machine
Technical field
The invention belongs to laser-engraving technique field, a kind of laser engraving machine is more particularly related to.
Background technology
Traditional numerical control machining center is by basic components, spindle assemblies, feed mechanism, digital control system, automatic tool changer Constituted with servicing unit (such as parts such as lubrication, cooling, chip removal, protection, hydraulic pressure, pneumatic and detecting systems).In digital control processing The heart switches cutter by the motion and tool magazine that control three coordinates and workpiece is processed.However, because above-mentioned motion design is inadequate Rationally, cause cutter easy to wear and the not deep narrow slot of easy processing, the cost of charp tool is high, and tool magazine space-consuming is big, the replacing of cutter Influence processing efficiency.
Traditional numerical control machining center is also limited by stem height and tool changing device, it is impossible to the larger work of working height Part, in processing cavity or recessed type face, chip is difficult discharge, and cutter can be also damaged when serious, destroys machined surface, shadow Ring being smoothed out for processing.Therefore so that traditional numeric-control machining center cost of equipment is high, and to operating personnel and maintenance personal Technical requirements are higher.
Moreover, most of numerical control machining center is provided only with the machining spindle of a cutter, in order that this main shaft The function of being processed with multiaspect, can install rotating device, the machine direction for changing main shaft on main shaft.But, it is this to add Work mode causes position fixing process of the main shaft when switching machined surface to become very complicated.For example:The complete horizontal surface of spindle processing Afterwards, to be switched on vertical side and be processed since some point, it is necessary to be rotated to an angle after main spindle retraction, then pass through control The comprehensive movement of three axes processed, can just navigate to the processing stand of the side, and this tool-setting error is very big, largely On reduce part processing precision.Process in rotary moving to knife is, it is necessary to the angle, tool length and the processing that are rotated according to main shaft The particular location of point carrys out COMPREHENSIVE CALCULATING and obtained, and this causes motion of the numerical control machining center when carrying out multiaspect processing to complex parts Become extremely complex.
The content of the invention
The technical problems to be solved by the invention are to overcome above-mentioned the deficiencies in the prior art there is provided a kind of laser engraving machine.
The present invention solve above-mentioned technical problem use technical scheme be:A kind of laser engraving machine, including machine base, installation The electric control system of workbench and portal frame and the control course of work in machine base, in addition to driving tool motion AC shaft devices;The workbench includes:Base steel plate, located at base steel plate lower end drive the Y-axis driver that it is moved forward and backward Structure and the switchboards of job guide rail located at base steel plate upper end for installing workpiece;The portal frame includes:Two set relatively Z-axis transmission mechanism and driven located at crossbeam front end that column, the crossbeam for being fixed on column upper end, driving AC shaft devices move up and down The X-axis transmission mechanism of dynamic Z-axis transmission mechanism side-to-side movement.
Preferably, the AC shaft devices include laser optical path, speculum casing, galvanometer, C shaft transmissions, A axles Transmission mechanism and setting are fixed on the device installing plate of Z-axis transmission mechanism front end;
The C shaft transmissions include:It is fixed on the C shaft gears chamber and laser optical path of device installing plate front face side by side C axles servomotor on C shaft gear chambers, located at the intermeshing C axles driving wheel of C shaft gear intracavitary and C axle driven pulleys And the solid hollow shaft on C axle driven pulleys is inserted, the C axles servomotor clutch end is connected to C axle driving wheels, the sky The top of heart axle correspond to laser optical path, bottom and be fixed on speculum casing upper end light inlet;
The A shaft transmissions include:One end is fixed on the U-shaped A axis fixing plates of speculum casing rear end face, is fixed on A The A spindle motors seat and the A axle servomotors on A spindle motors seat of the axis fixing plate other end, the A axles servomotor are moved Power output end is connected in galvanometer, and thang-kng sleeve is provided between galvanometer and speculum the casing light-emitting window.
Preferably, the base steel plate upper end is provided with junction steel plate, and the junction steel plate left and right ends are fixed with Rail support plate, the relative side of the rail support plate is provided with multiple cams;The switchboards of job guide rail is along its length Side is provided with positioning groove, and the two ends of the positioning groove are fastened in cam.
Preferably, the base steel plate front and back end is folded upward at being formed with steel plate installation side, passes through the steel plate Side is installed flexible steel plate is installed.
Preferably, the X-axis transmission mechanism includes:It is horizontally fixed on the X-axis closed slide of crossbeam front end, slides X-axis slide block installing plate installed in X-axis closed slide front end, drive the X-axis ball-screw of X-axis slide block installing plate side-to-side movement with And the X-axis servomotor of the screw mandrel rotation of driving X-axis ball-screw.
Preferably, the Z-axis transmission mechanism includes:The vertical Z axis for being fixed on X-axis slide block installation front edge of board is parallel Guide rail, the Z axis sliding block installing plate for being slidably mounted on Z axis closed slide front end, the Z axis for driving Z axis sliding block installing plate to move up and down Ball-screw and the Z axis servomotor for driving the screw mandrel of Z axis ball-screw to rotate, the Z axis sliding block are installed front edge of board and passed through Middle connecting plate fixing device for installing installing plate.
Preferably, the electric control system includes:Input, the reception input being made up of touch-screen are instructed Signal simultaneously makes the processing unit of respective drive signal and the output end of reception processing unit drive signals, and the output end is The servomotor of each motion;The lathe base outboard end is provided with rotating seat, and the touch-screen passes through its bottom Runing rest be movably arranged on the rotating seat.
Preferably, drag chain is provided with above the crossbeam, described drag chain one end is arranged on behind the bottom of Z axis gear-box Side, the other end is arranged on crossbeam close to one end of touch-screen, and the X-axis slide block installing plate rear end is provided with drag chain support plate, drag chain It is placed on drag chain support plate, and is fixed drag chain using tension disc.
Preferably, the Y-axis transmission mechanism includes:Y-axis ball-screw and Y-axis servomotor, the Y-axis ball The nut slider of leading screw is fixedly connected on base steel plate bottom, and the Y-axis servomotor clutch end is connected in Y-axis rolling Screw mandrel one end of ballscrew.
Preferably, in addition to purging system, the purging system includes:Argon tanks and it is connected to argon tanks tracheae The taper blow head of end, the taper blow head is fixedly mounted on the side of AC shaft devices one.
Compared with prior art, beneficial effects of the present invention:Laser engraving efficiency high of the present invention, impulse- free robustness, environmental protection, without dirt Dye, noise are small, and do not wear and tear cutter, is conducive to numer centre simplifying of integral device.
The planer-type milling machine being made up of workbench, portal frame and electric control system, before workbench can be done in machine base After move along a straight line, be provided with the crossbeam of portal frame can do left and right linear motion Z-axis transmission mechanism, AC shaft devices can be in Z Do and move along a straight line up and down on shaft transmission, so that tool motion is flexible, working range wide, do not limited by working space System, while whole planer-type milling machine structure is lighter, it is easy to install.
The machining spindle of cutter is controlled by AC shaft devices, and A axles servomotor direct drive galvanometer carries out A axle rotations, and C axles are watched Take motor drives speculum casing to carry out C axle rotations by a pair of gears, it is seen that drive mechanism is simple, easily realizes, so that Tool sharpening depth is big, working range wide, also without often changing cutter.Mounting portion is also simplified, and only need to pass through phase The installing plate threaded connection answered.
Cleaning after processing uses purge of gas, and the chip of engraving is discharged by gas, relatively washes easy, and will not damage Workpiece machined surface, machining accuracy is high, steady quality, and repeatable accuracy is high, and production efficiency is high.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment Accompanying drawing is briefly described, wherein:
Fig. 1 is the overall structure diagram of present pre-ferred embodiments;
Fig. 2 is the machine base structural representation of present pre-ferred embodiments;
Fig. 3 is the Working table structure schematic diagram of present pre-ferred embodiments;
Fig. 4 is the switchboards of job guide rail cross-sectional view of present pre-ferred embodiments;
Fig. 5 is the guide supporting plate structure schematic diagram of present pre-ferred embodiments;
Fig. 6 is the portal frame schematic perspective view of present pre-ferred embodiments;
Fig. 7 is the portal frame rear end schematic diagram of present pre-ferred embodiments;
Fig. 8 is the AC shaft device structural representations of present pre-ferred embodiments;
Fig. 9 is the C shaft transmission schematic diagrames of present pre-ferred embodiments;
Figure 10 is the A shaft transmission schematic diagrames of present pre-ferred embodiments.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described further.Drawn in preferred embodiment Such as " on ", " under ", "left", "right", " centre " and " one " term, only understanding for ease of narration, and be not used to limit The enforceable scope of the present invention, its relativeness is altered or modified, under without essence change technology contents, when being also considered as this hair Bright enforceable category.
A kind of laser engraving machine designed in Fig. 1, present pre-ferred embodiments is referred to, it is specifically included:Machine base 100th, workbench 200, portal frame 300, AC shaft devices 400, electric control system and purging system.
Fig. 2 is referred to, more specifically, machine base 100 includes:Cuboid lathe base 101 with cavity, lathe base 101 top end opening;It is arranged on the table rest 102 inside lathe base 101;On rear side of the top for being arranged on lathe base 101 Also there is the cuboid lathe cage 103 of cavity, the front end of lathe cage 103 and bottom end opening so that the sky of lathe cage 103 Chamber is connected with the cavity of lathe base 101;Protrusion is arranged on the cover rim 104 on front side of the top of lathe cage 103;And install In the rotating seat 105 of the outboard end of lathe base 101.
Fig. 3 is referred to, workbench 200 is arranged on table rest 102, and workbench 200 includes:Base steel plate 210, set Y-axis transmission mechanism (not indicated in figure) in the lower end of base steel plate 210, located at the upper end of base steel plate 210 switchboards of job guide rail 220 with And it is respectively arranged on the flexible steel plate 230 of the front and back end of base steel plate 210.Y-axis transmission mechanism mainly includes two Y-axis balls side by side Leading screw and two Y-axis servomotors, the support base of Y-axis ball-screw are fixed on the upper end of table rest 102, Y-axis ball The nut slider of leading screw is fixedly connected on the bottom of base steel plate 210, and the clutch end of Y-axis servomotor is connected in Y Screw mandrel one end of axle ball-screw.So that Y-axis servomotor can be driven before workbench 200 does by Y-axis ball-screw After move along a straight line.
It is folded upward at being formed with steel plate installation side 211 in the front and back end of base steel plate 210, on two flexible steel plates 230 Flexible Interal fixation plate 231 is provided with, flexible Interal fixation plate 231 is installed side 211 with steel plate and is fixedly connected by playing screw, stretches Contracting steel plate 230 is used for Auxiliary support, it is easy to which workbench 200 adjusts collapsing length.
Junction steel plate (not indicated in figure) is provided with the upper end of base steel plate 210, in the left and right ends of the junction steel plate Rail support plate 240 is mounted with by screw, multiple switchboards of job guide rail 220 are installed in parallel between two rail support plates 240, and Positioned at the upper end of the junction steel plate.Further, Fig. 4 is referred to, the cross section of switchboards of job guide rail 220 is in rectangular configuration, in work Make to offer the positioning groove 221 of insertion on three sides of guide rail 220 along its length, during installation, switchboards of job guide rail 220 is not The side for opening up positioning groove 221 is laid downward, is further opened with being used to mitigate weight and section at the center of switchboards of job guide rail 220 The about through hole 222 of material, switchboards of job guide rail 220 is to be provided with continuous mount point in an adjustable clamp, positioning groove 221 in itself. Fig. 5 is referred to, rail support plate 240 is provided with multiple cams 241 towards the side of switchboards of job guide rail 220, and cam 241 will be with positioning The two ends of groove 221 are mutually fastened so that switchboards of job guide rail 220 can be fixed vertically between two rail support plates 240.Work The spacing of guide rail 220 can be adjusted with different rail support plates 240, and the convenient disassembly of switchboards of job guide rail 220, direction is adjustable, lighter Just, and fixture is easily installed, in the installation fixed dimension extremely well-adapted of workpiece to be processed.
Refer to Fig. 6 and Fig. 7, portal frame 300 is also arranged on table rest 102, and positioned at lathe cage 103 it Interior, portal frame 300 includes:Two root posts 310, crossbeam 320, X-axis transmission mechanism and the Z-axis transmission mechanism set relatively.Two The correspondence of root post 310 is fixedly mounted on rear side of the upper end of table rest 102, and the front and back end of column 310 is both provided with reinforcement 311, for the firm installation of portal frame 300.The bottom both sides of crossbeam 320 are fixed on the top of column 310.
X-axis transmission mechanism includes:X-axis closed slide 331, X-axis ball-screw 322, X-axis servomotor 333 and X-axis slide block Installing plate 334, X-axis closed slide 331 is arranged on both sides above and below the front end of crossbeam 320, and X-axis slide block installing plate 334 is perpendicular length Platy structure, X-axis slide block installing plate 334 is slidably mounted on the front end of X-axis closed slide 331, and X-axis ball-screw 322 passes through it Support base is arranged on the front end of crossbeam 320, and between X-axis closed slide 331, the nut slider of X-axis ball-screw 322 is consolidated Surely it is connected to the rear end of X-axis slide block installing plate 334.A side of crossbeam 320 is provided with X-axis gear-box 335, X-axis gear-box Intermeshing X-axis drive (not indicated in figure) is installed in 335.X-axis servomotor 333 is arranged on X-axis by motor cabinet The side of gear-box 335, the clutch end of X-axis servomotor 333, which is fixed, is plugged in X-axis main driving wheel, X-axis from drive then It is fixedly sheathed in screw mandrel one end of X-axis ball-screw 322.So that X-axis servomotor 333 is rolled by X-axis drive and X-axis Ballscrew 322 can drive X-axis slide block installing plate 334 to do left and right linear motion on X-axis closed slide 331.
Z-axis transmission mechanism includes:Z axis closed slide 341, Z axis ball-screw 342, Z axis servomotor 343 and Z axis sliding block Installing plate 344, length direction of the Z axis closed slide 341 along X-axis slide block installing plate 334 is arranged on its front end left and right sides, Z Axle sliding block installing plate 344 is slidably mounted on the front end of Z axis closed slide 341, and Z axis ball-screw 342 is installed by its support base In the front end of X-axis slide block installing plate 334, and between Z axis closed slide 341, the nut slider of Z axis ball-screw 342 is consolidated Surely it is connected to the rear end of Z axis sliding block installing plate 344.The top of X-axis slide block installing plate 334 is provided with Z axis gear-box 345, Z axis Intermeshing Z-axis transmission wheel (not indicated in figure) is installed in gear-box 345.Z axis servomotor 343 is installed by motor cabinet On the top of Z axis gear-box 345, the clutch end of Z axis servomotor 343, which is fixed, is plugged in Z axis main driving wheel, and Z axis is from biography Driving wheel is then fixedly sheathed in screw mandrel one end of Z axis ball-screw 342.So that Z axis servomotor 343 passes through Z-axis transmission wheel With Z axis ball-screw 342 Z axis sliding block installing plate 344 can be driven to do on Z axis closed slide 341 to move along a straight line up and down.
Fig. 8 is referred to, AC shaft devices 400 include:Device installing plate 401, laser optical path 402, speculum casing 403, shake Mirror 404, C shaft transmissions and A shaft transmissions.Device installing plate 401 is platy structure, and device installing plate 401 is in Between the correspondence of connecting plate 346 erect and be fixed on the front end of Z axis sliding block installing plate 344.
Fig. 9 is referred to, C shaft transmissions are arranged on the front face of device installing plate 401, and C shaft transmissions include:C axles Gear cavity 405, C axles servomotor 406, intermeshing C axles driving wheel 407 and C axles driven pulley 408 and hollow shaft 409.C Shaft gear chamber 405 is surrounded by upper and lower, left and right, front and rear cover plate, and wherein lower cover is C-shaped, the correspondence of C shaft gears chamber 405 On the front face for being fixed on device installing plate 401.C axles servomotor 406 and laser optical path 402 are mounted side by side on C axle teeth On the upper cover plate for taking turns chamber 405, C axles driving wheel 407 and C axles driven pulley 408 correspond to C axles servomotor 406 and laser light respectively Road 402 is arranged on the inside of C shaft gears chamber 405, and the clutch end of C axles servomotor 406 is fixedly plugged in C axle masters by key On driving wheel 407, hollow shaft 409 is fixedly plugged on C axles driven pulley 408 by key.End cap 410 is fixed on sky by screw The top of heart axle 409, end cap 410 is the cyclic structure with being communicated inside hollow shaft 409, and the bottom of hollow shaft 409 passes through first Ring flange 411 and screw are fixed on the upper end light inlet of speculum casing 403.So that C axles servomotor 406 passes through C axles Driving wheel 407, C axles driven pulley 408 and hollow shaft 409 can drive speculum casing 403 to be rotated.
Further, hollow shaft 409 protrudes from the upper end of C axles driven pulley 408 and is socketed with the first sleeve 412, first set Cylinder 412 is located under end cap 410, and the bottom that hollow shaft 409 protrudes from C axles driven pulley 408 is socketed with second sleeve 413, the Two sleeves 413 are located on first flange disk 411.
Figure 10 is referred to, A shaft transmissions are arranged on the side of speculum casing 403, and A shaft transmissions include:A axles are consolidated Fixed board 414, A axles servomotor 415 and thang-kng sleeve 416.The u-shaped structure of A axis fixing plates 414, in its two ends outward bending Flanging is formed with, one of flanging is fastened on the rear end face of speculum casing 403, and another flanging is fixedly connected with A spindle motors seat 417, A axles servomotor 415 is arranged on A spindle motors seat 417, on the clutch end of A axles servomotor 415 Be provided with axle sleeve 418, the outer axial face of axle sleeve 418 is plugged on A spindle motors seat 417 by clutch shaft bearing 419, axle sleeve 418 it is interior Hole face is fixedly connected on by key on the clutch end of A axles servomotor 415, and the ring flange of the one end of axle sleeve 418 passes through screw It is fastened on the side of galvanometer 404.Thang-kng sleeve 416 is in strip tubular structure, and its one end is fixedly connected on speculum casing On 403 side light-emitting window, the other end is connected with second flange disk 422, second bearing 421 by the outer ring of second bearing 421 Circle is fixedly connected on thang-kng sleeve 416, and second flange disk 422 is fixed on another side relative with axle sleeve 418 on galvanometer 404 Pinboard 423 on.So that A axles servomotor 415 can drive galvanometer 404 to be rotated.
Further, the circlip for shaft 420 towards second flange disk 422 is also connected with thang-kng sleeve 416, it is right 421 spacing and protective effects of second bearing.
AC shaft devices 400 when in use, by controlling C axles servomotor 406 and A axles servomotor 415, to position galvanometer 404 diverse location, the laser that then laser is sent is irradiated to speculum casing 403 by laser optical path, hollow shaft 409, Pass through the effect of speculum casing 403 again, reflex in galvanometer 404, galvanometer 404 controls the position of laser facula, so as to carry out Laser engraving works.
Fig. 1 is referred to, electric control system includes:Input, processing unit and output end.The input is touch-screen 510, touch-screen 510 is movably arranged on the rotating seat 105 of machine base 100 by the runing rest 511 of its bottom, touch-screen Various operation buttons are provided with 510, so as to realize the control to whole equipment.The processing unit is used to receive each of input Command signal is planted, by processing, then corresponding drive signal is made, is transferred to output end and makes corresponding operational motion.This is defeated Go out end and refer to each servomotor, servomotor is received after drive signal, drive corresponding transmission mechanism to be moved. The transmission of above-mentioned various signals can both use wire transmission, it would however also be possible to employ be wirelessly transferred.In the present embodiment, touch-screen Wire transmission is used between 510 and each servomotor.Specifically, Fig. 7 is referred to, the top of crossbeam 320, which is provided with one, drags Chain 520, one end of drag chain 520 is arranged on rear side of the bottom of Z axis gear-box 345, and the other end is arranged on crossbeam 320 close to touch One end of screen 510, drag chain support plate is provided with the rear end of X-axis slide block installing plate 334 and positioned at the lower section of Z axis gear-box 345 521, drag chain 520 is placed on drag chain support plate 521, and is fixed drag chain 520 using tension disc 522 so that drag chain 520 can be with X-axis slide block installing plate 334 to move together.It is provided with drag chain 520 and is connected to Z axis servomotor 343, A axles servo electricity The cable of machine 415 and C axles servomotor 406.And the cable of X-axis servomotor 333 and Y-axis servomotor is connected to then by vertical Post 310 and machine base 100 can be achieved totally enclosed type and install.
Fig. 1 is referred to, purging system includes:Argon tanks 610 and taper blow head 620, argon tanks 610 are arranged on machine base 100 rear, taper blow head 620 is connected to the tracheae end of argon tanks 610, and taper blow head 620 is arranged on AC shaft devices 400 sides, and with AC shaft devices 400 together left and right, up and down motion, taper blow head 620, which is used to blow, discharges after engraving Chip, while preventing workpiece Carving Machining surface to be oxidized.
The above described is only a preferred embodiment of the present invention, not making any formal limitation to the present invention, appoint What those skilled in the art, without departing from the scope of the present invention, the technical spirit according to the present invention implement to more than Example any brief introduction modification, equivalent variations and the modification made, in the range of still falling within technical solution of the present invention.

Claims (8)

1. a kind of laser engraving machine, including machine base, the workbench in machine base and portal frame and control work The electric control system of process, it is characterised in that also include the AC shaft devices of driving tool motion;The workbench includes:Bottom Seat steel plate, drive Y-axis transmission mechanism that it moves forward and backward located at base steel plate lower end and be used to pacify located at base steel plate upper end Fill multigroup multiple operation guide rail of workpiece;The portal frame includes:It is relative and set two root posts, be fixed on column upper end Z-axis transmission mechanism that crossbeam, driving AC shaft devices move up and down and located at crossbeam front-end driven Z-axis transmission mechanism side-to-side movement X-axis transmission mechanism;
The base steel plate upper end is provided with junction steel plate, and the junction steel plate left and right ends are fixed with rail support plate, described to lead The relative side of rail supporting plate is provided with multiple cams;The side of the switchboards of job guide rail along its length is provided with positioning groove, The two ends of the positioning groove are fastened in cam;
The AC shaft devices include laser optical path, speculum casing, galvanometer, C shaft transmissions, A shaft transmissions and setting It is fixed on the device installing plate of Z-axis transmission mechanism front end;
The C shaft transmissions include:It is fixed on the C shaft gears chamber of device installing plate front face, is mounted side by side with laser optical path C axles servomotor on C shaft gear chambers, located at the intermeshing C axles driving wheel of C shaft gear intracavitary and C axles driven pulley and The solid hollow shaft on C axle driven pulleys is inserted, the C axles servomotor clutch end is connected to C axle driving wheels, the hollow shaft Top correspond to laser optical path, bottom and be fixed on speculum casing upper end light inlet;
The A shaft transmissions include:One end be fixed on the U-shaped A axis fixing plates of speculum casing rear end face, be fixed on A axles consolidate The A spindle motors seat and the A axle servomotors on A spindle motors seat of the fixed board other end, the A axles servomotor power are defeated Go out end and be fixedly connected on galvanometer side, the galvanometer opposite side rotates one end of connection thang-kng sleeve, and the thang-kng sleeve other end The side light-emitting window of positioning docking speculum casing.
2. laser engraving machine according to claim 1, it is characterised in that the base steel plate front and back end is folded upward at being formed There is steel plate that side is installed, installing side by the steel plate is provided with flexible steel plate.
3. laser engraving machine according to claim 1 or 2, it is characterised in that the X-axis transmission mechanism includes:Level is consolidated The X-axis closed slide of crossbeam front end is scheduled on, the X-axis slide block installing plate of X-axis closed slide front end is slidably mounted on, drives X-axis to slide The X-axis ball-screw of block installing plate side-to-side movement and the X-axis servomotor for driving the screw mandrel of X-axis ball-screw to rotate.
4. laser engraving machine according to claim 3, it is characterised in that the Z-axis transmission mechanism includes:It is fixed on vertically X-axis slide block installs the Z axis closed slide of front edge of board, the Z axis sliding block installing plate for being slidably mounted on Z axis closed slide front end, drives Z The Z axis servomotor of the screw mandrel rotation of Z axis ball-screw and driving Z axis ball-screw that axle sliding block installing plate moves up and down, The Z axis sliding block installs front edge of board and installs described device installing plate by middle connecting plate.
5. laser engraving machine according to claim 3, it is characterised in that the electric control system includes:By touch-screen The input of composition, receive input command signal and make the processing unit and reception processing unit of respective drive signal and drive The output end of dynamic signal, the output end is the servomotor of each motion;The lathe base outboard end is provided with Rotating seat, the touch-screen is movably arranged on the rotating seat by the runing rest of its bottom.
6. laser engraving machine according to claim 5, it is characterised in that drag chain, the drag chain are provided with above the crossbeam One end is arranged on rear side of the bottom of Z axis gear-box, and the other end is arranged on crossbeam close to one end of touch-screen, the X-axis slide block peace Fill plate rear end and be provided with drag chain support plate, drag chain is placed on drag chain support plate, and is fixed drag chain using tension disc.
7. laser engraving machine according to claim 3, it is characterised in that the Y-axis transmission mechanism includes:Y-axis ball wire Thick stick and Y-axis servomotor, the nut slider of the Y-axis ball-screw are fixedly connected on base steel plate bottom, the Y-axis servo electricity Mechanomotive force output end is connected in screw mandrel one end of Y-axis ball-screw.
8. the laser engraving machine according to any one of claim 1,2,4 to 7, it is characterised in that also including purging system, institute Stating purging system includes:Argon tanks and the taper blow head for being connected to argon tanks tracheae end, the taper blow head fix peace Mounted in the side of AC shaft devices one.
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