CN104874920A - Laser three-dimensional cutter - Google Patents
Laser three-dimensional cutter Download PDFInfo
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- CN104874920A CN104874920A CN201510131531.9A CN201510131531A CN104874920A CN 104874920 A CN104874920 A CN 104874920A CN 201510131531 A CN201510131531 A CN 201510131531A CN 104874920 A CN104874920 A CN 104874920A
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- axle
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- motor
- cutting head
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Abstract
The invention discloses a laser three-dimensional cutter, comprising a shaft C, a shaft A connected with the shaft C, a first motor which drives the shaft C, a second motor which drives the shaft A, and a cutting head connected with the shaft A. Both the shaft C and the shaft A are provided with laser passages. A laser generator transmits laser to the cutting head through the laser passages. The shaft C is sleeved with a via conductive slip ring; the upper end of the via conductive slip ring is connected with the first motor; the lower end of the via conductive slip ring is provided with a high- and low-pressure cutting auxiliary gas passage; the high- and low-pressure cutting auxiliary gas passage allows high- and low-pressure cutting gas to be conveyed to the cutting head; the high- and low-pressure cutting auxiliary gas passage sleeves the lower end of the shaft C and never rotates with the shaft C. The laser three-dimensional cutter is directly driven by the torque motors, is high in torsional rigidity and well adapts to the need for high-speed three-dimensional cutting under limited equipment size.
Description
Technical field
The invention belongs to laser cutting field, be specifically related to a kind of laser three-D cutter sweep.
Background technology
In existing laser cutting technique, can realize the laser three-D cutting working head of Three dimensional slots, as shown in Figures 1 and 2, it adopts gear or synchronous belt drive mechanism to realize A, C axle and drives, and it has longer driving-chain.But due to the restriction of whole mechanism size, cutting working head transmission chain length causes overall torsional rigid not high, is difficult to adapt to dimension laser cutting to the performance requirement of high acceleration.And, because driving-chain is complicated, result in working service high expensive, in addition due to the introducing of the transmission mechanisms such as gear pair, introduce backlass and pitch error etc., finally cause the control accuracy degradation of Three dimensional slots head, the degree of difficulty of control seriously increases.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of laser three-D cutter sweep, the feature that this device utilizes torque motor and load to be directly connected, eliminate the impact that reductor, gear pair, Timing Belt etc. cause whole apparatus system performance and precision, simultaneously due to the compactedness of torque motor structure, without the need to auxiliary devices such as shaft couplings, reduce size and the inertia of Whole Equipment, further increase the performance of device.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of laser three-D cutter sweep, it comprises C axle, the A axle be connected with described C axle, the cutting head that drives the motor one of described C axle, drive the motor two of described A axle and be connected with A axle, described C axle and A axle are equipped with laser channeling, laser transfer is given described cutting head by described laser channeling by laser generator, described C axle sleeve is provided with via hole type conducting slip ring, and the upper end of described via hole type conducting slip ring connects described motor one; The lower end of described via hole type conducting slip ring is provided with high-low pressure cutting assist gas transfer passage, by described high-low pressure cutting assist gas transfer passage, high-low pressure cutting gas is transported to cutting head, described high-low pressure cutting assist gas transfer passage is set in described C axle lower end and does not rotate with described C axle.
In a preferred embodiment of the present invention, comprise further, described motor one and described motor two are torque motor, and described C axle is perpendicular to described A axle, and described A axle is perpendicular to described cutting head; Described C axle and described A axle connecting corner place are provided with the first speculum, and described A axle and described cutting head connecting corner place are provided with the second speculum.
In a preferred embodiment of the present invention, comprise further, also comprise mirror unit one and mirror unit two, described mirror unit one connects described C axle and described A axle, and described first speculum is arranged on described mirror unit one; Described mirror unit two connects described A axle and described cutting head, and described second speculum is arranged on described mirror unit two.
In a preferred embodiment of the present invention, comprise further, also comprise cooling-water duct, described cooling water transfer passage is arranged on the side of described high-low pressure cutting assist gas transfer passage, described cooling water transfer passage and described high-low pressure cut assist gas transfer passage and to arrange uniformly the periphery of described C axle, and described cooling-water duct conveying cooling water cools described first speculum, the eyeglass of the second speculum and the focus lamp that is arranged in described cutting head.
In a preferred embodiment of the present invention, comprise further, described cooling water transfer passage and described high-low pressure cut that assist gas feed track is logical to be sealed by rotating Glais ring.
In a preferred embodiment of the present invention, comprise further, also comprise flange, C axle described in described Flange joint and described mirror unit one, the gateway radial direction of described cooling-water duct is arranged on described flange periphery.
In a preferred embodiment of the present invention, comprise further, the central through hole for transmitting laser beam is provided with in the middle of described via hole type conducting slip ring, the inwall of described via hole type conducting slip ring is shielding body, and described shielding body insulate conduction is to the power electric of described motor two and analog signal and data signal.
The invention has the beneficial effects as follows:
One, laser three-D cutter sweep of the present invention adopt torque motor directly to drive, eliminate the backlass that prior art middle gear produces, eliminate pitch error, eliminate the error that Timing Belt flexibility causes, the torsional rigid of whole device is high, under limited plant bulk, well adapt to the demand of high speed three-dimensional cutting.
Two, cutter sweep structure of the present invention is simple, simplifies the mechanical transmission structure of equipment, improves mechanism efficiency, reduce fault rate, reduce the maintenance cost of device.
C axle three, in the present invention can realize 360 ° of endless-rotatings, improves cutting efficiency, and A axle has ± 135 ° of pivot angle scopes, can meet the requirement of most laser three-D processing.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the Three dimensional slots device adopting travelling gear to drive in prior art.
Fig. 2 is the Three dimensional slots device adopting synchronous belt drive mechanism in prior art.
Fig. 3 is the cross-sectional view of Three dimensional slots device of the present invention.
Wherein: 10-motor one, 11-C axle, 12-via hole type conducting slip ring, 13-rotates Glais ring, 14-cooling-water duct, 15-high-low pressure cutting assist gas transfer passage, 16-mirror unit one, 17-mirror unit two, 20-flange, 30-motor two, 31-A axle, 41-first speculum, 42-second speculum, 50-cutting head, 60-A shaft transmission gear, 61-C shaft transmission gear.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment
As shown in Figure 3, a kind of laser three-D cutter sweep is disclosed in the present embodiment, it comprises C axle 11, the A axle 31 be connected with above-mentioned C axle 11, the cutting head 50 that drives the motor 1 of above-mentioned C axle 11, drive the motor 2 30 of above-mentioned A axle 31 and be connected with A axle 31, above-mentioned C axle 11 and A axle 31 are equipped with laser channeling, and laser transfer realizes cutting function to above-mentioned cutting head 50 by above-mentioned laser channeling by laser generator.
In the present embodiment, above-mentioned motor 1 and above-mentioned motor 2 30 are torque motor, replace common servomotor, reductor and associated actuator mechanism (Fig. 1 and Fig. 2) by torque motor and the circular encoder that coordinates with them, realize controlling the rotation of A axle 31 and C axle 11.
In the present embodiment, the feature that above-mentioned laser three-D cutter sweep utilizes torque motor and load to be directly connected, eliminates the impact that reductor, gear pair, Timing Belt etc. cause systematic function and precision.Meanwhile, due to the compactedness of torque motor structure, without the need to auxiliary devices such as shaft couplings, reduce size and the inertia of Whole Equipment, further increase the performance of system.
Concrete, above-mentioned C axle 11 is perpendicular to above-mentioned A axle 31, above-mentioned A axle 31 is perpendicular to above-mentioned cutting head 50, above-mentioned C axle 11 connects above-mentioned A axle 31 by mirror unit 1, above-mentioned A axle 31 connects above-mentioned cutting head 50 by mirror unit 2 17, namely by above-mentioned mirror unit 1 and mirror unit 2 17, above-mentioned C axle 11 and A axle 31 and cutting head 50 is formed a chair word shape.
Cutting head 50 end is arrived smoothly in order to make laser beam, the bending part of above-mentioned mirror unit 1 is provided with first speculum 41, second speculum 42 is provided with at the bending part of above-mentioned mirror unit 2 17, above-mentioned first speculum 41 is relative with two eyeglasses of the second speculum 42, and they be arranged in parallel, laser beam arrives cutting head 50 by the effect bending of speculum.
In order to improve the reliability and stability of whole device, be arranged with via hole type conducting slip ring 12 at above-mentioned C axle 11, the upper end of above-mentioned via hole type conducting slip ring 12 connects above-mentioned motor 1; The lower end of above-mentioned via hole type conducting slip ring 12 is provided with high-low pressure cutting assist gas transfer passage 15, by above-mentioned high-low pressure cutting assist gas transfer passage 15, high-low pressure cutting gas is transported to cutting head 50, above-mentioned high-low pressure cutting assist gas transfer passage 15 is set in above-mentioned C axle 11 lower end and does not rotate with above-mentioned C axle 11.
Concrete, the central through hole for transmitting laser beam is provided with in the middle of above-mentioned via hole type conducting slip ring 12, the inwall of above-mentioned via hole type conducting slip ring 12 is shielding body, and above-mentioned shielding body insulate conduction is to the power electric of above-mentioned motor 2 30 and analog signal and data signal.Above-mentioned via hole type conducting slip ring 12 conducts the height tracing signal of the power electric of A axis drive motor 2 30, number connect test signal and analog quantity, because the shielding body of its inside can be appropriate isolation power electric and analog signal and data signal, prevent from causing mutual interference, have impact on the reliability of equipment.
In the device of the present embodiment, also be provided with cooling-water duct 14, above-mentioned logical 14 roads of cooling water conveying are arranged on the side of above-mentioned high-low pressure cutting assist gas transfer passage 15, above-mentioned cooling water transfer passage 14 and above-mentioned high-low pressure cut the periphery of the uniform above-mentioned C axle 11 of arranging of assist gas transfer passage 15, above-mentioned cooling-water duct defeated 14 send cooling water to cool the eyeglass of above-mentioned first speculum 41 and the second speculum 42, ensure that the stability of cutting.
In order to ensure seal and the stability of gas and cooling water conveying, above-mentioned cooling water transfer passage 14 being cut assist gas transfer passage 15 with above-mentioned high-low pressure and seals by rotating Glais ring 13.Rotate Glais ring 13 cooling water transfer passage and high-low pressure cutting assist gas transfer passage are reliably isolated, sealed, and they are not all by the impact that C axle 11 rotates.
Above-mentioned C axle 11 is connected by a flange 20 with above-mentioned mirror unit 1, and a water inlet of above-mentioned cooling-water duct 14 is through above-mentioned flange 20.
The operation principle of laser three-D cutter sweep of the present invention: the feature utilizing frameless torque motor and load to be directly connected, eliminates the impact that reductor, gear pair, Timing Belt etc. cause systematic function and precision; Meanwhile, due to the compactedness of torque motor structure, without the need to auxiliary devices such as shaft couplings, reduce size and the inertia of Whole Equipment, further increase the performance of system; Adopt via hole type conducting slip ring, realize motor power electricity, and simulation, data signal transmission; Adopt and rotate Glais ring sealing, realize high-low pressure cutting assist gas, and the transmission of focusing lens cooling water; Via hole type conducting slip ring and rotatory sealing is adopted to be realize laser center transmission, and the key technology of 360 ° of unlimited rotaries of cutting head C axle; And A axle can rotate within the scope of +/-135 ° of pivot angles, the requirement of most laser three-D processing can be met.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a laser three-D cutter sweep, it comprises C axle, the A axle be connected with described C axle, the cutting head that drives the motor one of described C axle, drive the motor two of described A axle and be connected with A axle, described C axle and A axle are equipped with laser channeling, laser transfer is given described cutting head by described laser channeling by laser generator, it is characterized in that, described C axle sleeve is provided with via hole type conducting slip ring, and the upper end of described via hole type conducting slip ring connects described motor one; The lower end of described via hole type conducting slip ring is provided with high-low pressure cutting assist gas transfer passage, by described high-low pressure cutting assist gas transfer passage, high-low pressure cutting gas is transported to cutting head, described high-low pressure cutting assist gas transfer passage is set in described C axle lower end and does not rotate with described C axle.
2. a kind of laser three-D cutter sweep according to claim 1, is characterized in that, described motor one and described motor two are torque motor, and described C axle is perpendicular to described A axle, and described A axle is perpendicular to described cutting head; Described C axle and described A axle connecting corner place are provided with the first speculum, and described A axle and described cutting head connecting corner place are provided with the second speculum.
3. a kind of laser three-D cutter sweep according to claim 2, is characterized in that, also comprises mirror unit one and mirror unit two, and described mirror unit one connects described C axle and described A axle, and described first speculum is arranged on described mirror unit one; Described mirror unit two connects described A axle and described cutting head, and described second speculum is arranged on described mirror unit two.
4. a kind of laser three-D cutter sweep according to claim 3, it is characterized in that, also comprise cooling-water duct, described cooling water transfer passage is arranged on the side of described high-low pressure cutting assist gas transfer passage, described cooling water transfer passage and described high-low pressure cut assist gas transfer passage and to arrange uniformly the periphery of described C axle, and described cooling-water duct conveying cooling water cools described first speculum, the eyeglass of the second speculum and the focus lamp that is arranged in described cutting head.
5. a kind of laser three-D cutter sweep according to claim 4, is characterized in that, described cooling water transfer passage and described high-low pressure cut assist gas transfer passage and seal by rotating Glais ring.
6. a kind of laser three-D cutter sweep according to claim 5, is characterized in that, also comprise flange, C axle described in described Flange joint and described mirror unit one, and the gateway radial direction of described cooling-water duct is arranged on described flange periphery.
7. a kind of laser three-D cutter sweep according to claim 1, it is characterized in that, the central through hole for transmitting laser beam is provided with in the middle of described via hole type conducting slip ring, the inwall of described via hole type conducting slip ring is shielding body, and described shielding body insulate conduction is to the power electric of described motor two and analog signal and data signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131531.9A CN104874920A (en) | 2015-03-24 | 2015-03-24 | Laser three-dimensional cutter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131531.9A CN104874920A (en) | 2015-03-24 | 2015-03-24 | Laser three-dimensional cutter |
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| CN201510131531.9A Pending CN104874920A (en) | 2015-03-24 | 2015-03-24 | Laser three-dimensional cutter |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105290619A (en) * | 2015-12-10 | 2016-02-03 | 深圳锦帛方激光科技有限公司 | Laser engraving machine |
| CN105798457A (en) * | 2016-05-25 | 2016-07-27 | 上海嘉强自动化技术有限公司 | Two-axis three-dimensional laser head for processing of complex curved surfaces |
| CN106425089A (en) * | 2016-12-01 | 2017-02-22 | 武汉卡特激光工程有限责任公司 | Five-axis three-dimensional machining device used for optical fiber laser cutting machine |
| CN107378269A (en) * | 2017-09-11 | 2017-11-24 | 山东镭鸣数控激光装备有限公司 | A kind of optical fiber dimension laser cutting device |
| CN109175676A (en) * | 2018-10-23 | 2019-01-11 | 上海拓璞数控科技股份有限公司 | Dual rotary main shaft and laser-processing system |
| CN110653487A (en) * | 2019-09-27 | 2020-01-07 | 大族激光科技产业集团股份有限公司 | Laser welding device |
| CN111976352A (en) * | 2020-08-27 | 2020-11-24 | 诺伯特智能装备（山东）有限公司 | High-precision universal double-shaft head and working method thereof |
| CN116060785A (en) * | 2023-01-20 | 2023-05-05 | 中航西安飞机工业集团股份有限公司 | Aircraft skin chemical milling accurate engraving device |
| CN116213950A (en) * | 2023-01-20 | 2023-06-06 | 中航西安飞机工业集团股份有限公司 | Aircraft skin laser cutting equipment |
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| JPH11170077A (en) * | 1997-12-10 | 1999-06-29 | Amada Co Ltd | Method and device for cutting molded work piece |
| CN202461812U (en) * | 2012-02-02 | 2012-10-03 | 江苏扬力数控机床有限公司 | Cutting head following mechanism for laser cutting machine |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105290619A (en) * | 2015-12-10 | 2016-02-03 | 深圳锦帛方激光科技有限公司 | Laser engraving machine |
| CN105798457A (en) * | 2016-05-25 | 2016-07-27 | 上海嘉强自动化技术有限公司 | Two-axis three-dimensional laser head for processing of complex curved surfaces |
| CN106425089A (en) * | 2016-12-01 | 2017-02-22 | 武汉卡特激光工程有限责任公司 | Five-axis three-dimensional machining device used for optical fiber laser cutting machine |
| CN107378269A (en) * | 2017-09-11 | 2017-11-24 | 山东镭鸣数控激光装备有限公司 | A kind of optical fiber dimension laser cutting device |
| CN107378269B (en) * | 2017-09-11 | 2023-10-13 | 山东镭鸣数控激光装备有限公司 | Optical fiber three-dimensional laser cutting device |
| CN109175676A (en) * | 2018-10-23 | 2019-01-11 | 上海拓璞数控科技股份有限公司 | Dual rotary main shaft and laser-processing system |
| CN110653487A (en) * | 2019-09-27 | 2020-01-07 | 大族激光科技产业集团股份有限公司 | Laser welding device |
| CN111976352A (en) * | 2020-08-27 | 2020-11-24 | 诺伯特智能装备（山东）有限公司 | High-precision universal double-shaft head and working method thereof |
| CN111976352B (en) * | 2020-08-27 | 2022-02-11 | 诺伯特智能装备（山东）有限公司 | High-precision universal double-shaft head and working method thereof |
| CN116060785A (en) * | 2023-01-20 | 2023-05-05 | 中航西安飞机工业集团股份有限公司 | Aircraft skin chemical milling accurate engraving device |
| CN116213950A (en) * | 2023-01-20 | 2023-06-06 | 中航西安飞机工业集团股份有限公司 | Aircraft skin laser cutting equipment |
| CN116213950B (en) * | 2023-01-20 | 2023-12-15 | 中航西安飞机工业集团股份有限公司 | Aircraft skin laser cutting equipment |
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