CN103170748A - High-speed large-coverage laser cutting machine - Google Patents
High-speed large-coverage laser cutting machine Download PDFInfo
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- CN103170748A CN103170748A CN2011104393985A CN201110439398A CN103170748A CN 103170748 A CN103170748 A CN 103170748A CN 2011104393985 A CN2011104393985 A CN 2011104393985A CN 201110439398 A CN201110439398 A CN 201110439398A CN 103170748 A CN103170748 A CN 103170748A
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Abstract
The invention discloses a high-speed large-coverage laser cutting machine which adopts a split type driving structure, a laser generator and a servo drive device of the laser generator are independent, so that mass of the laser generator and the servo drive device does not participate in frequent and high-speed reciprocating motion of cutting in a small scope, and dynamic response performance of the cutting machine is improved. A cross beam servo drive device adopts a double-sided gear-rack synchronized driving structure. The double-sided gear-rack synchronized driving structure drives a gear which is arranged on a speed reducer to move through the sliding of a regulating and control block in a lathe bed slot, so that the size of tooth space between the gear and a rack is adjusted, and the problems that a lathe body is twisted due to accumulated errors and a transmission system is damage by internal stress are solved. A multi-cavity partition type dust eliminating system is adopted, a numerical control system controls the opening and closing of a corresponding air door according to the actual position of a current laser cutting head, so that a dust sucking opening corresponds to a region which generates dusts. The air door of the dust sucking opening can be opened and closed independently, so that dust eliminating efficiency in small scope dust suction of the same fan power after the cutting is improved.
Description
Technical field
The present invention relates to a kind of laser cutting machine, relate in particular to a kind of high speed big width laser cutting machine.
Background technology
the machine-carried type laser cutting machine is one of Main Means of realizing super large breadth processing (more than 8m * 2m), common traditional machine-carried type laser cutting machine directly is connected to laser generator and servo drive thereof on crossbeam at present, cause weight both is larger, this mode of being rigidly connected increases drive unit part inertia, cause system's dynamic response performance to reduce, therefore have to select more powerful servomotor and driver to guarantee certain dynamic response performance, but nonetheless still can not fundamentally solve the problem of response lag, especially the workpiece in the cutting profile complexity situation of aliasing can occur often.And laser generator itself is also very accurate, take the fast axial flow laser generator of the carbon dioxide that accounts at present main flow as example, its inner crucial original paper lobe pump rotating speed at work surpasses 10000rpm, its working environment requires to be arranged on the platform of a more stable and stronger, participate in violent acceleration and deceleration motion in high-speed cutting directly as laser generator, very unfavorable to its normal operation.
The crossbeam of machine-carried type laser cutting machine adopts synchronous pair to drive structure substantially in addition, and two drive units are arranged on same lathe bed, and both are perfect rigidity and connect.But in full accord because the both sides tooth bar can not be realized in processing and installation process, relatively large deviation is even arranged sometimes, two drive units are arranged on and cause lathe bed can only adapt to the strain of self the inconsistent of both sides drive unit on same lathe bed.High because of the lathe bed rigidity, even if very small deformation also can produce huge stress, and these stress must transmit between lathe bed and base by driving-chain, and then might damage accurate transmission system or cause the wearing and tearing in advance of transmission system.
Interior big width laser cutting machine of the same trade has substantially all adopted the subregion dust pelletizing system to solve the problem of interior dust collection on a large scale at present, and mechanical switch or inductance approach switch are mainly adopted in the control of subregion dust pelletizing system.But for five axles or the three-dimensional big width laser cutting machine of multiaxis, because the position of cutting head is controlled simultaneously by multiaxis, only depend on one group or several groups of switches, can't realize the accurate location to the laser cutting head position.Tend to like this cause laser cutting head in the cutting of a certain zone, but that the dust pelletizing system at another place is in work, producing the zone of dust and the zone of dedusting does not mate, therefore cause dust to be difficult to effective collection, thereby polluted the working environment in workshop, the serious fire explosion that causes because of dust exceeding of even can occuring.Because number of switches is numerous, the frequency that laser cutting machine breaks down is also corresponding higher simultaneously.
Summary of the invention
in order to overcome above-mentioned technological deficiency, the invention provides a kind of high speed big width laser cutting machine, this laser cutting machine adopts split type drives structure, laser generator and laser generator servo drive is independent, the frequent high speed that quality does not both participate in cutting is moved back and forth, the crossbeam servo drive adopts bilateral gear rack synchronous drives structure simultaneously, this structure is the gap between the adjusting gear tooth bar effectively, two nonsynchronous problems of synchronizing shaft of driving have fundamentally been solved, and adopted partition dust-removing apparatus, the problem of dust collection in this device can effectively solve on a large scale.
The present invention in order to solve the problems of the technologies described above the technical scheme that adopts is:
A kind of high speed big width laser cutting machine, comprise two parallel lathe bases, be arranged on described two parallel machine bed foundation upper surfaces line slideway, be across two parallel machine bed foundations tops and the crossbeam that can slide along line slideway, with the rigidly connected crossbeam servo drive of crossbeam, laser generator, laser generator servo drive and cantilever beam, described cantilever beam one end can slide along the crossbeam length direction on crossbeam, and the cantilever beam other end is provided with the free-moving laser cutting head of cantilever beam relatively; Described crossbeam servo drive comprises servomotor, is arranged on decelerator, lathe bed and gear on the servomotor output shaft, be provided with groove over against installation shaft position, decelerator lower end on described lathe bed, described gear is fixed on the decelerator lower end and can be meshed with the tooth bar that is arranged on line slideway one side.
Described laser generator and laser generator servo drive are installed on line slideway and can slide along line slideway, for being rigidly connected, be connected by Flexible Connector between described crossbeam and laser generator between laser generator and laser generator servo drive; Described crossbeam servo drive also comprises the regulation and control piece, described regulation and control piece is positioned at groove, regulation and control piece upper surface and decelerator are rigidly connected, and lower surface and guide rail upper surface offset, and regulate and control the enterprising line slip of horizontal plane that piece can parallel with the crossbeam longitudinal center line in groove; The lower lobes part of regulation and control piece is provided with through hole, and on lathe bed, the position of corresponding through hole is provided with the strip through hole; Be provided with dedusting structure between described two parallel machine bed foundations, described dedusting structure comprises one group of dust absorbing air passage separating with divider upright, each dust absorbing air passage one side is provided with suction port, each suction port correspondence is provided with air door, and the keying of air door is controlled according to the physical location of current laser cutting head by digital control system.
Described Flexible Connector one end is the hollow projectile cartridge gonosome, and the other end is hollow pipe, and described hollow projectile cartridge gonosome one end is connected on crossbeam, and described hollow pipe one end is connected on laser generator.
Be provided with cylinder, described cylinder is arranged on the laser generator servo drive outside, and cylinder is provided with magnetic switch, the limit following distance that described magnetic switch can the detection laser generator.
Described cylinder is magnetic air cylinder.
Be connected for bolt between described regulation and control piece upper surface and decelerator.
The size that described groove makes progress the party greater than the regulation and control piece in the size that is parallel on crossbeam longitudinal center line direction, the regulation and control piece be able to slide in groove.
Described dust absorbing air passage is connected with dust absorption fan by dust sucting pipeline.
The keying control mode of described air door is, digital control system can detect the real-time working stroke of current laser cutting head and can calculate according to described real-time working stroke counter the current physical location of laser cutting head, is controlled the keying of corresponding air door according to the current physical location of laser cutting head by digital control system.
Useful technique effect of the present invention is: adopt split type drives structure, laser generator and laser generator servo-drive is independent, be connected by Flexible Connector between crossbeam and laser generator simultaneously, the frequent high speed that the quality that makes laser generator and servo drive thereof does not participate in cutting among a small circle moves back and forth, improved the dynamic response performance of cutting machine, laser generator can be opened on four sides simultaneously, is conducive to detect maintenance; The crossbeam servo drive adopts bilateral gear rack synchronous drives structure, this structure is by the slip of regulation and control piece in the lathe bed groove, drive is arranged on the gear movement on decelerator, thereby the backlash between the regulating tooth wheel and rack is big or small, solved because cumulative errors cause the lathe bed distortion, internal stress is damaged the problem of transmission system; Adopt multi-cavity partition type dust pelletizing system, controlled the keying of corresponding air door according to the physical location of current laser cutting head by digital control system, make suction port and produce the regional corresponding of dust, and the suction port air door can independent folding, make same power of fan after cutting apart among a small circle in efficiency of dust collection during dust suction improve, flue dust Ex-all rate can reach 96%.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view right side of Fig. 1;
Fig. 3 is the enlarged drawing of A part in Fig. 2;
Fig. 4 is the structural representation of described crossbeam servo drive;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the structural representation of described regulation and control piece;
Fig. 7 is the cutaway view of A-A face in Fig. 6;
Fig. 8 is the planar structure schematic diagram of described dedusting structure.
The specific embodiment
The present invention is described in further detail in conjunction with Fig. 1 to Fig. 8.
Referring to figs. 1 through Fig. 3.A kind of high speed big width laser cutting machine, comprise two parallel lathe bases 1, be arranged on described two parallel machine bed foundation upper surfaces line slideway 2, be across two parallel machine bed foundations tops and the crossbeam 3 that can slide along line slideway, with the rigidly connected crossbeam servo drive 4 of crossbeam, laser generator 5, laser generator servo drive 6 and cantilever beam 9, described cantilever beam 9 one ends can slide along the crossbeam length direction on crossbeam 3, and cantilever beam 9 other ends are provided with the free-moving laser cutting head 10 of cantilever beam relatively.
Between laser generator 5 and laser generator servo drive 6, for being rigidly connected, and both are installed on line slideway 2 and can slide along line slideway 2, are connected by Flexible Connector 7 between crossbeam 3 and laser generator 5.Flexible Connector 7 one ends are hollow projectile cartridge gonosome 701, and the other end is hollow pipe 702, and hollow projectile cartridge gonosome 701 1 ends are connected on crossbeam 3, and hollow pipe 702 1 ends are connected on laser generator 5.Be hollow in the middle of elastomer 701 and hollow pipe 702, laser beam can be from wherein passing through, simultaneously hollow projectile cartridge gonosome 701 makes laser generator 5 and laser generator servo drive 6 temporarily keep inactive state when crossbeam 3 moves among a small circle, thereby makes the quality of laser generator 5 and laser generator servo drive 6 temporarily not participate in the frequent high speed reciprocating motion of cutting.
Be provided with cylinder 8, cylinder 8 is arranged on laser generator servo drive 6 outsides, and cylinder 8 is provided with magnetic switch, the limit following distance that described magnetic switch can detection laser generator 5.During use, cylinder 8 is not inflated, only utilize magnetic switch on it to come the limit following distance of detection laser generator 5, prevent that between crossbeam 3 and laser generator 5, hypotelorism causes collision, perhaps separated far away between crossbeam 3 and laser generator 5 and pulled apart cable, wherein limit following distance refers to range distance and the minimum stroke distance of cylinder 8.Cylinder 8 can be magnetic air cylinder.
With reference to Fig. 4 to Fig. 7.Crossbeam servo drive 4 comprises servomotor 401, is arranged on decelerator 402, regulation and control piece 12, lathe bed 404 and gear 405 on the servomotor output shaft, lathe bed 404 can slide along line slideway 2, the servomotor central shaft overlaps with the decelerator central shaft also vertically perpendicular to line slideway, be provided with groove 403 over against installation shaft position, decelerator lower end on lathe bed 404, gear 405 is fixed on the decelerator lower end and is positioned at groove 403 lower ends, and can be meshed with the tooth bar 406 that is arranged on line slideway one side.Regulation and control piece 12 is positioned at groove 403, the size that groove 403 makes progress greater than regulation and control piece 12 the party in the size that is parallel on crossbeam longitudinal center line direction, regulation and control piece 12 upper surfaces and decelerator 402 are bolted, lower surface and guide rail 2 upper surfaces offset, the enterprising line slip of horizontal plane that regulation and control piece 12 can parallel with the crossbeam longitudinal center line in groove 403.The slip of regulation and control piece 12 can drive decelerator 402 motion, thereby drives gear 405 motions that are arranged on the installation shaft of reductor lower end, thereby the backlash between control gear 405 and tooth bar 406 is big or small.After adjusting backlash, piece will be regulated and controled by the strip through hole of establishing on the through hole 122 established on regulation and control piece 12 lower lobes parts 121 and lathe bed 404 and lathe bed tightens together with bolt.
With reference to Fig. 8.Be provided with dedusting structure 11 between two parallel machine bed foundations 1, dedusting structure 11 comprises one group of dust absorbing air passage separating with divider upright, each dust absorbing air passage one side is provided with suction port, and each suction port correspondence is provided with air door, and the keying of each air door is controlled separately by digital control system.Digital control system can detect the real-time working stroke of current laser cutting head and calculate the current physical location of laser cutting head according to this real-time working stroke counter, controls the keying of its corresponding air door according to the current physical location of laser cutting head.Dust absorbing air passage is connected with dust absorption fan by dust sucting pipeline.
Claims (8)
1. high speed big width laser cutting machine, comprise two parallel lathe bases (1), be arranged on the line slideway (2) of described two parallel machine bed foundation upper surfaces, the crossbeam (3) that is across two parallel machine bed foundations tops and can slides along line slideway, with the rigidly connected crossbeam servo drive of crossbeam (4), laser generator (5), laser generator servo drive (6) and cantilever beam (9), described cantilever beam (9) one ends can upward slide along the crossbeam length direction at crossbeam (3), cantilever beam (9) other end is provided with the free-moving laser cutting head of cantilever beam (10) relatively, described crossbeam servo drive (4) comprises servomotor (401), is arranged on decelerator (402), lathe bed (404) and gear (405) on the servomotor output shaft, described lathe bed (404) is upper is provided with groove (403) over against installation shaft position, decelerator lower end, described gear (405) is fixed on the decelerator lower end and can be meshed with the tooth bar that is arranged on line slideway one side (406), it is characterized in that:
Described laser generator (5) is installed in line slideway (2) upward and can slides along line slideway (2) with laser generator servo drive (6), for being rigidly connected, be connected by Flexible Connector (7) between described crossbeam (3) and laser generator (5) between laser generator (5) and laser generator servo drive (6); Described crossbeam servo drive (4) also comprises regulation and control piece (12), described regulation and control piece (12) is positioned at groove (403), regulation and control piece (12) upper surface and decelerator (402) are rigidly connected, lower surface and guide rail (2) upper surface offsets, the enterprising line slip of horizontal plane that regulation and control pieces (12) can parallel with the crossbeam longitudinal center line in groove (403); The lower lobes part (121) of regulation and control pieces (12) is provided with through hole (122), and the position of the upper corresponding through hole (122) of lathe bed (404) is provided with the strip through hole; Be provided with dedusting structure (11) between described two parallel machine bed foundations (1), described dedusting structure (11) comprises one group of dust absorbing air passage separating with divider upright, each dust absorbing air passage one side is provided with suction port, each suction port correspondence is provided with air door, and the keying of air door is controlled according to the physical location of current laser cutting head by digital control system.
2. high speed big width laser cutting machine according to claim 1, it is characterized in that: described Flexible Connector (7) one ends are hollow projectile cartridge gonosome (701), the other end is hollow pipe (702), described hollow projectile cartridge gonosome (701) one ends are connected on crossbeam (3), and described hollow pipe (702) one ends are connected on laser generator (5).
3. high speed big width laser cutting machine according to claim 1, it is characterized in that: be provided with cylinder (8), described cylinder (8) is arranged on outside laser generator servo drive (6), cylinder (8) is provided with magnetic switch, the limit following distance that described magnetic switch can detection laser generator (5).
4. high speed big width laser cutting machine according to claim 3, it is characterized in that: described cylinder (8) is magnetic air cylinder.
5. high speed big width laser cutting machine according to claim 1 is characterized in that: be connected for bolt between described regulation and control piece (12) upper surface and decelerator (402).
6. high speed big width laser cutting machine according to claim 1, it is characterized in that: the size that described groove (403) makes progress the party greater than regulation and control pieces (12) in the size that is parallel on crossbeam (3) longitudinal center line direction, regulation and control pieces (12) be able to slide in groove (403).
7. high speed big width laser cutting machine according to claim 1, it is characterized in that: described dust absorbing air passage is connected with dust absorption fan by dust sucting pipeline.
8. high speed big width laser cutting machine according to claim 1, it is characterized in that: the keying control mode of described air door is, digital control system can detect the real-time working stroke of current laser cutting head and can calculate according to described real-time working stroke counter the current physical location of laser cutting head, is controlled the keying of corresponding air door according to the current physical location of laser cutting head by digital control system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110439398.5A CN103170748B (en) | 2011-12-26 | 2011-12-26 | High-speed large-coverage laser cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110439398.5A CN103170748B (en) | 2011-12-26 | 2011-12-26 | High-speed large-coverage laser cutting machine |
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| CN103170748A true CN103170748A (en) | 2013-06-26 |
| CN103170748B CN103170748B (en) | 2015-01-07 |
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| CN201110439398.5A Active CN103170748B (en) | 2011-12-26 | 2011-12-26 | High-speed large-coverage laser cutting machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687450A (en) * | 2018-07-23 | 2018-10-23 | 武汉蓝讯数控设备有限公司 | A kind of floating of laser cutting machine disappears gap transmission mechanism |
| CN110977210A (en) * | 2019-12-19 | 2020-04-10 | 济南森峰科技有限公司 | Laser cutting machine walks traditional thread binding putting |
| CN111136381A (en) * | 2020-01-17 | 2020-05-12 | 济南邦德激光股份有限公司 | Dust removal method and burning-resistant dust removal system of laser cutting machine |
| CN114406493A (en) * | 2022-01-26 | 2022-04-29 | 济南天辰机器集团有限公司 | Ultra-large-amplitude laser cutting device and assembly method |
| CN114654110A (en) * | 2020-07-30 | 2022-06-24 | 中机数控科技（福建）有限公司 | High-precision large-breadth laser cutting machine |
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| CN108687450A (en) * | 2018-07-23 | 2018-10-23 | 武汉蓝讯数控设备有限公司 | A kind of floating of laser cutting machine disappears gap transmission mechanism |
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| CN114654110B (en) * | 2020-07-30 | 2024-02-23 | 中机数控科技（福建）有限公司 | High-precision large-breadth laser cutting machine |
| CN114406493A (en) * | 2022-01-26 | 2022-04-29 | 济南天辰机器集团有限公司 | Ultra-large-amplitude laser cutting device and assembly method |
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| CN103170748B (en) | 2015-01-07 |
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Effective date of registration: 20210113 Address after: 432000 Shanghai Industrial Park, No.57 Xiaohan Avenue, national high tech Industrial Development Zone, Xiaogan Development Zone, Hubei Province Patentee after: Wuhan lingchuang Intelligent Laser Technology Co.,Ltd. Address before: 215300 no.1885, Zhonghua Garden West Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: SUZHOU LEAD LASER TECHNOLOGY Co.,Ltd. |
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