CN200988131Y - Constant light path compensating mechanism for laser cutter - Google Patents
Constant light path compensating mechanism for laser cutter Download PDFInfo
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- CN200988131Y CN200988131Y CN 200620144696 CN200620144696U CN200988131Y CN 200988131 Y CN200988131 Y CN 200988131Y CN 200620144696 CN200620144696 CN 200620144696 CN 200620144696 U CN200620144696 U CN 200620144696U CN 200988131 Y CN200988131 Y CN 200988131Y
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- laser
- laser generator
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- light path
- cutting head
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Abstract
The utility model discloses a constant light path compensation mechanism for a laser cutting machine in laser cutting machine technology field, which consists of a laser generator which is relatively fixed to a frame, the laser generator emits laser to a work reflector arranged on a light path, the work reflector focalizes the laser on a work piece to be cut by a cutting head, the work reflector moves along with the movement of the cutting head along X axis, two compensation reflectors are arranged on the light path between the laser generator and the work reflector, the two compensation reflectors are vertically arranged, and are fixed on a linear motion mechanism which can move along the direction of the laser beam of the laser generator. During operation, the linear motion mechanism drives the two compensation reflectors to move to ensure a constant consistency of the light path length from the laser generator to the cutting head, and to make the scattering spot diameter of the laser fixed and make the angle constant, focal spot diameter and focal interference formed by the cutting head are all consistent, thus cutting quality is improved, the cutting quality of thick plates is in particular greatly improved.
Description
Technical field
The utility model relates to a kind of laser cutting machine, particularly the light path system of laser cutting machine.
Background technology
The numerically-controlled precise laser cutting machine cuts steel plate as energy with laser, being applicable to needs the more gauge orifice of processing on same sheet material, complicated profiled holes and complex pattern etc., the panel beating place that the close trim requirement is perhaps arranged, the light path system of existing laser generator, comprise and the relatively-stationary laser generator of fuselage, laser generator with Laser emission to the work speculum that is provided with on the light path, the work speculum with laser on cutting head focuses on workpiece to be cut on the workbench, and then workpiece to be cut cut, the work speculum moves and moves along X-axis with cutting head, because laser beam comes out just to enter cutting head by laser generator after the reflection of necessity, for the diverse location on workpiece to be cut is processed, cutting head needs the shift position, and when cutting head during along the X-axis shift position, the work speculum moves along X-axis thereupon, when cutting head when Y-axis is moved, the work speculum keeps motionless, and therefore, the length of light path can constantly change; From theory analysis, the beam spread angle of general laser instrument is 2mrad, for cutting head at different Working positions, beam diameter, focused spot diameter and burntly relate to all because of the variation of optical path length differently causes cut quality different, the integral body that influence sheet material is processed.
The utility model content
The purpose of this utility model provides the permanent optical path compensation mechanism of laser cutting machine, makes the optical path length unanimity of laser cutting machine, and it is equal consistent that the focused spot diameter that cutting head forms and Jiao relate to, to improve cut quality.
The purpose of this utility model is achieved in that the permanent optical path compensation mechanism of laser cutting machine, comprise and the relatively-stationary laser generator of fuselage, laser generator with Laser emission to the work speculum that is provided with on the light path, the work speculum with laser on cutting head focuses on workpiece to be cut on the workbench, the work speculum moves and moves along X-axis with cutting head, light path between laser generator and the work speculum is provided with two compensatory reflex mirrors, two compensatory reflex mirrors are vertical mutually to be provided with, and two compensatory reflex mirrors are fixed on the straight-line motion mechanism that can move along the beam direction of laser generator.
During the utility model work, laser generator gives off laser beam, shine on one of them compensatory reflex mirror, this compensatory reflex mirror reflexes to laser beam on another compensatory reflex mirror, shine on the work speculum through reflecting to form the laser beam that parallels with incoming laser beam once more, shine on the cutting head through the work speculum, focus on again on the workpiece to be cut on the workbench, and then workpiece to be cut is cut; Cutting head can move according to the needs of cutting position, motion along with cutting head, can make the straight-line motion mechanism movement therewith by detecting controlling organization, during the straight-line motion mechanism rectilinear motion, can change the length of light path, to keep the optical path length from the laser generator to the cutting head to remain unanimity, make the scattered light spot diameter of laser fix, angle is constant, the focused spot diameter that cutting head forms relates to equal consistent with Jiao, can improve cut quality, especially improve greatly especially for thicker sheet material cut quality.
Above-mentioned straight-line motion mechanism can be following structure: one is that described straight-line motion mechanism comprises the line slideway that the beam direction with laser generator be arranged in parallel, be provided with a slide block in the guide rail, described two compensatory reflex mirrors are installed on the slide block, the wire rod thread that slide block and is parallel to guide rail is connected, and screw mandrel is connected with the output shaft of motor on being fixed on fuselage.Screw mandrel rotates can drive the slide block rectilinear motion, and then changes optical path length.It two comprises the guide rail that the beam direction with laser generator be arranged in parallel for described straight-line motion mechanism, being provided with one in the guide rail can be along the tooth bar of guide rail direction slip, described two speculums and tooth bar fix, the gear that tooth bar and is installed on the fuselage is meshed, and gear is connected with the output shaft of motor.Rotate by motor driven gear, make the gear drive tooth bar, and then change optical path length along the guide rail rectilinear motion.
Description of drawings
Fig. 1 uses novel fundamental diagram for this;
Fig. 2 is a kind of structural representation of straight-line motion mechanism;
Fig. 3 is the another kind of structural representation of straight-line motion mechanism;
Fig. 4 is the vertical view of Fig. 3;
Wherein, 1 workbench, 2 workpiece to be cut, 3 cutting heads, 4 laser generators, 5 work speculums, 6 laser beams, 7 straight-line motion mechanisms, 8,9 compensatory reflex mirrors, 10 slide blocks, 11 screw mandrels, 12 guide rails, 13 motors, 14 tooth bars, 15 gears.
The specific embodiment
Embodiment 1
As Fig. 1 and 2, permanent optical path compensation mechanism for laser cutting machine, comprise and the relatively-stationary laser generator 4 of fuselage, laser generator 4 is transmitted to laser beam 6 the work speculum 5 that is provided with on the light path, work speculum 5 with laser beam 6 on cutting head 3 focuses on workpiece to be cut 2 on the workbench 1, work speculum 5 moves and moves along X-axis with cutting head, when cutting head when Y-axis is moved, work speculum 5 keeps motionless, light path between laser generator 4 and the work speculum 5 is provided with two compensatory reflex mirrors 8 and 9, two compensatory reflex mirrors 8 and 9 perpendicular settings, two compensatory reflex mirrors 8 and 9 are fixed on the straight-line motion mechanism 7 that can move along laser beam 6 directions of laser generator, this straight-line motion mechanism 7 comprises the line slideway 12 that the beam direction with laser generator be arranged in parallel, be provided with a slide block 10 in the guide rail 12, two compensatory reflex mirrors 8 and 9 are installed on the slide block 10, the screw mandrel 11 that slide block 10 and is parallel to guide rail is threaded, and screw mandrel 11 is connected with the output shaft of motor 13 on being fixed on fuselage.
When cutting, laser beam comes out on the back irradiation compensatory reflex mirror 8 from laser generator, shine on the compensatory reflex mirror 9 through compensatory reflex mirror 8, enter the cutting head 3 of workbench top then through work speculum 5, treating cut workpiece 2 after cutting head 3 focuses on processes, in process, guarantee that along guide rail 12 rectilinear motions the total length of whole optical path is constant by control compensatory reflex mirror 8 and 9, the compensatory reflex mirror 8 and 9 motor 13 rotating drive slide blocks 10 rectilinear motion in guide rail 12 that moves through are achieved.
As Fig. 3 and 4, straight-line motion mechanism can also comprise the guide rail 12 that the beam direction with laser generator be arranged in parallel, being provided with one in the guide rail 12 can be along the tooth bar 14 of guide rail direction slip, described two speculums 8,9 and tooth bar 14 fix, the gear 15 that tooth bar 14 and is installed on the fuselage is meshed, and gear 15 is connected with the output shaft of motor 13.Rotate by motor 13 driven gears 15, make gear 15 drive tooth bar 14, can optical path length be remained unchanged by control along guide rail 12 rectilinear motions.
Claims (3)
1, the permanent optical path compensation mechanism of laser cutting machine, comprise and the relatively-stationary laser generator of fuselage, laser generator with Laser emission to the work speculum that is provided with on the light path, the work speculum with laser on cutting head focuses on workpiece to be cut on the workbench, the work speculum moves and moves along X-axis with cutting head, it is characterized in that: the light path between laser generator and the work speculum is provided with two compensatory reflex mirrors, two compensatory reflex mirrors are vertical mutually to be provided with, and two compensatory reflex mirrors are fixed on the straight-line motion mechanism that can move along the beam direction of laser generator.
2, the permanent optical path compensation mechanism of laser cutting machine according to claim 1, it is characterized in that: described straight-line motion mechanism comprises the line slideway that the beam direction with laser generator be arranged in parallel, be provided with a slide block in the guide rail, described two compensatory reflex mirrors are installed on the slide block, the wire rod thread that slide block and is parallel to guide rail is connected, and screw mandrel is connected with the output shaft of motor on being fixed on fuselage.
3, the permanent optical path compensation mechanism of laser cutting machine according to claim 1, it is characterized in that: described straight-line motion mechanism comprises the guide rail that the beam direction with laser generator be arranged in parallel, being provided with one in the guide rail can be along the tooth bar of guide rail direction slip, described two speculums and tooth bar fix, the gear that tooth bar and is installed on the fuselage is meshed, and gear is connected with the output shaft of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620144696 CN200988131Y (en) | 2006-12-31 | 2006-12-31 | Constant light path compensating mechanism for laser cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620144696 CN200988131Y (en) | 2006-12-31 | 2006-12-31 | Constant light path compensating mechanism for laser cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200988131Y true CN200988131Y (en) | 2007-12-12 |
Family
ID=38939175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620144696 Expired - Fee Related CN200988131Y (en) | 2006-12-31 | 2006-12-31 | Constant light path compensating mechanism for laser cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200988131Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935555A (en) * | 2012-11-27 | 2013-02-20 | 宁波金凤焊割机械制造有限公司 | Gantry-carried type laser cutting machine |
| CN103192177A (en) * | 2013-03-28 | 2013-07-10 | 辽宁同创数控设备有限公司 | Aplanatic optical path compensation device of a CO2 (carbon dioxide) laser cutting machine |
| CN104874921A (en) * | 2015-04-30 | 2015-09-02 | 武汉薪火智能切割机器有限公司 | CO2 laser cutting platform with light path adjusting system |
| CN105014244A (en) * | 2015-08-13 | 2015-11-04 | 安徽同兴科技发展有限责任公司 | Laser cutting machine |
| CN105081563A (en) * | 2015-09-18 | 2015-11-25 | 大族激光科技产业集团股份有限公司 | Optical path compensation method for laser processing equipment |
| CN117428350A (en) * | 2023-12-19 | 2024-01-23 | 珠海市申科谱工业科技有限公司 | Single-head double-platform film sheet laser cutting machine |
-
2006
- 2006-12-31 CN CN 200620144696 patent/CN200988131Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935555A (en) * | 2012-11-27 | 2013-02-20 | 宁波金凤焊割机械制造有限公司 | Gantry-carried type laser cutting machine |
| CN103192177A (en) * | 2013-03-28 | 2013-07-10 | 辽宁同创数控设备有限公司 | Aplanatic optical path compensation device of a CO2 (carbon dioxide) laser cutting machine |
| CN104874921A (en) * | 2015-04-30 | 2015-09-02 | 武汉薪火智能切割机器有限公司 | CO2 laser cutting platform with light path adjusting system |
| CN105014244A (en) * | 2015-08-13 | 2015-11-04 | 安徽同兴科技发展有限责任公司 | Laser cutting machine |
| CN105014244B (en) * | 2015-08-13 | 2017-03-08 | 安徽同兴科技发展有限责任公司 | Laser cutting machine |
| CN105081563A (en) * | 2015-09-18 | 2015-11-25 | 大族激光科技产业集团股份有限公司 | Optical path compensation method for laser processing equipment |
| CN117428350A (en) * | 2023-12-19 | 2024-01-23 | 珠海市申科谱工业科技有限公司 | Single-head double-platform film sheet laser cutting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071212 Termination date: 20111231 |