CN105014961A - 3D printing device and galvanometer scanning control method thereof - Google Patents
3D printing device and galvanometer scanning control method thereof Download PDFInfo
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- CN105014961A CN105014961A CN201410180517.3A CN201410180517A CN105014961A CN 105014961 A CN105014961 A CN 105014961A CN 201410180517 A CN201410180517 A CN 201410180517A CN 105014961 A CN105014961 A CN 105014961A
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- galvanometer
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Abstract
The invention provides a 3D printing device. The 3D printing device comprises a 3D printing device table, a laser and a galvanometer. The working tabletop of the 3D printing device table is located on the focal plane of the galvanometer. An optical fiber head of the laser is installed on a light-transmitting opening of the galvanometer. The 3D printing device further comprises an X/Y-axis motion platform. The galvanometer is installed on the X/Y-axis motion platform, the scanning range of the galvanometer is smaller than the printing plane of the 3D printing device table, the XY plane of the X/Y-axis motion platform is parallel to and covers the printing plane of the 3D printing device table, and the X/Y-axis motion platform is used for driving the galvanometer to move in the XY plane. The invention further provides a galvanometer scanning method of the 3D printing device. The method includes the following steps that whether the position needing to be scanned is located within the scanning range of the galvanometer is determined; scanning of the galvanometer is controlled according to the determination result. The scanning range can be narrowed so as to keep high printing accuracy, and the position with the large size can be printed through motion.
Description
Technical field
The present invention relates to 3D and print field, in particular to 3D printing equipment and vibration mirror scanning control method thereof.
Background technology
Galvanometer scanning system is the important component part of 3D printer.The angle of general galvanometer is fixing, if the focal length of galvanometer is shorter, then less in the sweep limits of focal plane, the hot spot of laser on focal plane is also less, and the precision of printing is higher; If the focal length of galvanometer is longer, then the sweep limits in focal plane is comparatively large, and the hot spot of laser on focal plane is also comparatively large, and the ratio of precision of printing is poor.
Along with the more and more maturing of 3D printing technique, 3D printer can gradually to the trend of large scale future development.But in order to make printing precision higher, the galvanometer that focal distance ratio is shorter will be selected, so just suppress 3D printer to stride forward to large-sized.
Summary of the invention
The object of the present invention is to provide 3D printing equipment and vibration mirror scanning control method thereof, to solve the above problems.
In an embodiment of the present invention, provide a kind of 3D printing equipment, it comprises 3D printing equipment platform, laser instrument and galvanometer, the work top of 3D printing equipment platform is in the focal plane of galvanometer, the optical fiber head of laser instrument is arranged on the Tong Guangkou of galvanometer, also comprise: X/Y axle motion platform, galvanometer is arranged on X/Y axle motion platform, the sweep limits of galvanometer is less than the printing plane of 3D printing equipment platform, the XY plane of X/Y axle motion platform is parallel and cover the printing plane of 3D printing equipment platform, and X/Y axle motion platform moves in XY plane for driving galvanometer.
In an embodiment of the present invention, additionally provide the vibration mirror scanning method of above-mentioned 3D printing equipment, comprise the following steps: determine whether the position that will scan is in the sweep limits of galvanometer; The scanning of galvanometer is controlled according to determination result.
The above embodiment of the present invention adds X/Y axle motion platform, and galvanometer can be moved, thus galvanometer can reduce sweep limits to keep higher printing precision, prints larger size again by mobile.
Accompanying drawing explanation
Fig. 1 is the sketch of the 3D printing equipment according to the embodiment of the present invention.
Fig. 2 is the Control system architecture sketch of the galvanometer scanning system according to the embodiment of the present invention.
Fig. 3 is the 3D printing equipment platform distinguishable region schematic diagram according to the embodiment of the present invention.
Detailed description of the invention
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Fig. 1 is the sketch of the 3D printing equipment according to the embodiment of the present invention, it comprises 3D printing equipment platform 5, laser instrument and galvanometer 3, the work top of 3D printing equipment platform 5 is in the focal plane of galvanometer 3, the optical fiber head 4 of laser instrument is arranged on the Tong Guangkou of galvanometer 3, also comprise: X/Y axle motion platform 2, galvanometer 3 is arranged on X/Y axle motion platform 2, the sweep limits of galvanometer 3 is less than the printing plane of 3D printing equipment platform 5, the XY plane of X/Y axle motion platform 2 is parallel and cover the printing plane of 3D printing equipment platform 5, X/Y axle motion platform 2 moves in XY plane for driving galvanometer 3.In figure 1 is the base plate for fixing X/Y axle motion platform.The base plate 1 of motion platform is fixed wtih X/Y axle motion platform 2, X/Y axle motion platform 2 is fixed wtih scanning galvanometer 3 immediately below court, makes the central point of the hot spot of X/Y axle motion platform 2, scanning galvanometer 3,3D printing equipment platform 5 and optical fiber laser institute Output of laser on same vertical line.
Correlation technique or reduce printing precision to improve stamp with the size, or in order to keep printing precision to reduce stamp with the size.And embodiment adds X/Y axle motion platform, galvanometer can be moved, thus galvanometer can reduce sweep limits to keep higher printing precision, print larger size by mobile again.
Preferably, this 3D printing equipment also comprises control system, and it comprises X/Y axle motion platform RACS, for control X/Y axle motion platform.By increasing control system, making it possible to achieve automatic control, improving efficiency and the precision of 3D printing further.
Preferably, control system also comprises galvanometer RACS, for controlling vibration mirror scanning.
Preferably, control system also comprises laser control subsystem, for controlling laser instrument.
Preferably, control system also comprises host computer graphical interfaces operational subsystems, for providing graphical interfaces to accept the operation of user.By providing graphical interfaces, user can be facilitated to operate 3D very intuitively and to print.
Fig. 2 is the Control system architecture sketch of the galvanometer scanning system according to the embodiment of the present invention, includes galvanometer RACS, X/Y axle motion platform RACS, optical fiber laser RACS, host computer graphical interfaces operational subsystems and the peripheral unit control subsystem for controlling various ancillary equipment.Its groundwork mode is insert control card on the bus slot of industrial computer, makes control card control subsystems respectively.Then the laser of output is made can to arrive each of 3D printing equipment platform 5 by the host computer graphical interfaces operational subsystems of industrial computer software operation galvanometer RACS and X/Y axle motion platform RACS local; Also can to operate Output of laser time laser control subsystem makes laser work, when galvanometer redirect, close laser; Or combined operation subsystems completes large scale 3D printing function; Also the correlating markings such as the state of each RACS can be shown in host computer graphical interfaces operational subsystems; Can also operate, monitor other ancillary equipment of 3D printer in host computer graphical interfaces operational subsystems.X/Y axle motion platform RACS wherein, scanning galvanometer RACS, optical fiber laser RACS can control separately in host computer graphical interfaces operational subsystems, also can coordinated signals.
The vibration mirror scanning method of the above-mentioned 3D printing equipment of the embodiment of the present invention, comprises the following steps: determine whether the position that will scan is in the sweep limits of galvanometer; The scanning of galvanometer is controlled according to determination result.
Preferably, when determining that the position that will scan is in the sweep limits of galvanometer, control this position that will scan of vibration mirror scanning.
Preferably, this method also comprises: when controlling this position of vibration mirror scanning, controls laser instrument and starts; Redirect this to scan position time, control laser instrument close.That is, in the sweep limits of galvanometer, if scanning wherein a line time to open laser instrument, when will jump to another line after having scanned, will laser instrument be closed, and wait and to open laser instrument when jumping to this line again and continue scanning.
Preferably, when the position determining to scan is not in the sweep limits of galvanometer, control X/Y axle motion platform moves, and makes the position that must scan be in the sweep limits of galvanometer, then controls this position that will scan of vibration mirror scanning.
Preferably, this method also comprises: when control X/Y axle motion platform moves, and controls laser instrument and closes.
This method controls galvanometer and can move, and make galvanometer can scan each position of 3D printing equipment platform, thus galvanometer can reduce sweep limits to keep higher printing precision, prints larger size again by mobile.Although X/Y axle motion platform makes stamp with the size increase, system scan precision is still as the criterion with the precision of scanning galvanometer.
The working method of this galvanometer scanning system is illustrated below with reference to Fig. 3.When sweep limits is within the scope of the e of Fig. 3, a PC control software gated sweep galvanometer 3 makes Output of laser in this scope interscan; When sweep limits is within the scope of d, f of Fig. 3, PC control software controls the X-axis motion of scanning galvanometer 3 and X/Y axle motion platform 2 simultaneously, makes Output of laser in this scope interscan; When sweep limits is within the scope of b, i of Fig. 3, PC control software controls the Y-axis motion of scanning galvanometer 3 and X/Y axle motion platform 2 simultaneously, makes Output of laser in this scope interscan; When sweep limits is within the scope of a, c, h, j of Fig. 3, the diaxon that PC control software controls scanning galvanometer 3 and X/Y axle motion platform 2 simultaneously moves simultaneously, makes Output of laser in this scope interscan.And according to relevant parameter when laser work Output of laser, close laser when redirect, complete large-sized 3D and print vibration mirror scanning controlling functions.
In the method, adopt the pure scanning in more among a small circle of short focus galvanometer, in inner edge translation galvanometer limit scanning in a big way, this not only solves the large scale problem that 3D prints, do not have the printing precision difference problem adopting long-focus galvanometer there will be, there is very large advantage yet.
The present invention is simply easy to realize, and has and takes into account high accuracy and large-sized advantage.The requirement of precision and size can be met.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a 3D printing equipment, it comprises 3D printing equipment platform, laser instrument and galvanometer, the work top of described 3D printing equipment platform is in the focal plane of described galvanometer, the optical fiber head of described laser instrument is arranged on the Tong Guangkou of described galvanometer, it is characterized in that, also comprise: X/Y axle motion platform, described galvanometer is arranged on described X/Y axle motion platform, the sweep limits of described galvanometer is less than the printing plane of described 3D printing equipment platform, the XY plane of described X/Y axle motion platform is parallel and cover the printing plane of described 3D printing equipment platform, described X/Y axle motion platform moves in described XY plane for driving described galvanometer.
2. device according to claim 1, is characterized in that, also comprises control system, and it comprises X/Y axle motion platform RACS, for controlling described X/Y axle motion platform.
3. device according to claim 2, is characterized in that, described control system also comprises galvanometer RACS, for controlling described galvanometer.
4. device according to claim 2, is characterized in that, described control system also comprises laser control subsystem, for controlling described laser instrument.
5. the device according to any one of claim 2-4, is characterized in that, described control system also comprises host computer graphical interfaces operational subsystems, for providing graphical interfaces to accept the operation of user.
6. the vibration mirror scanning method of the 3D printing equipment described in any one of claim 1-5, is characterized in that, comprise the following steps:
Determine whether the position that will scan is in the sweep limits of described galvanometer;
The scanning of described galvanometer is controlled according to determination result.
7. method according to claim 6, is characterized in that, when determining that the position that will scan is in the sweep limits of described galvanometer, controls the position will scanned described in described vibration mirror scanning.
8. method according to claim 7, is characterized in that, also comprises: when controlling the position will scanned described in described vibration mirror scanning, controls described laser instrument and starts; During the position will scanned described in redirect, control described laser instrument and close.
9. method according to claim 6, it is characterized in that, when the position determining to scan is not in the sweep limits of described galvanometer, control described X/Y axle motion platform to move, make the position that must scan be in the sweep limits of described galvanometer, then control the position will scanned described in described vibration mirror scanning.
10. method according to claim 9, is characterized in that, also comprises: when controlling described X/Y axle motion platform and moving, and controls described laser instrument and closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410180517.3A CN105014961A (en) | 2014-04-29 | 2014-04-29 | 3D printing device and galvanometer scanning control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410180517.3A CN105014961A (en) | 2014-04-29 | 2014-04-29 | 3D printing device and galvanometer scanning control method thereof |
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| CN105014961A true CN105014961A (en) | 2015-11-04 |
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| CN201410180517.3A Pending CN105014961A (en) | 2014-04-29 | 2014-04-29 | 3D printing device and galvanometer scanning control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945271A (en) * | 2017-03-03 | 2017-07-14 | 广东丽格科技股份有限公司 | Digital projection face 3D printing system, method, method of adjustment and device |
| CN112743243A (en) * | 2021-01-07 | 2021-05-04 | 中国科学院力学研究所 | Preparation method and device of surface roughened and perforated current collector foil |
| CN114160970A (en) * | 2021-12-01 | 2022-03-11 | 上海航天设备制造总厂有限公司 | 3D prints shaping and detects sharing galvanometer integrated device |
| CN115416299A (en) * | 2022-11-04 | 2022-12-02 | 杭州爱新凯科技有限公司 | Need not to remove laser galvanometer 3D printing apparatus of focusing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945271A (en) * | 2017-03-03 | 2017-07-14 | 广东丽格科技股份有限公司 | Digital projection face 3D printing system, method, method of adjustment and device |
| CN112743243A (en) * | 2021-01-07 | 2021-05-04 | 中国科学院力学研究所 | Preparation method and device of surface roughened and perforated current collector foil |
| CN114160970A (en) * | 2021-12-01 | 2022-03-11 | 上海航天设备制造总厂有限公司 | 3D prints shaping and detects sharing galvanometer integrated device |
| CN114160970B (en) * | 2021-12-01 | 2023-11-24 | 上海航天设备制造总厂有限公司 | 3D prints shaping and detects shared mirror integrated device that shakes |
| CN115416299A (en) * | 2022-11-04 | 2022-12-02 | 杭州爱新凯科技有限公司 | Need not to remove laser galvanometer 3D printing apparatus of focusing |
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Application publication date: 20151104 |