CN207663144U - A kind of light path switching system and SLA printing devices based on SLA technology - Google Patents
A kind of light path switching system and SLA printing devices based on SLA technology Download PDFInfo
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- CN207663144U CN207663144U CN201721534448.7U CN201721534448U CN207663144U CN 207663144 U CN207663144 U CN 207663144U CN 201721534448 U CN201721534448 U CN 201721534448U CN 207663144 U CN207663144 U CN 207663144U
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- laser
- turning mirror
- light path
- path switching
- motion
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Abstract
The utility model discloses a kind of light path switching system and SLA printing devices based on SLA technology, including pedestal and laser beam emitting device, pedestal is equipped with the reflection subassembly that can reflect the laser that laser beam emitting device emits, reflection subassembly includes movable turning mirror, turning mirror is arranged on the motion for driving turning mirror movement, motion drives turning mirror movement, changes the position of turning mirror, laser is sent to corresponding equipment.It the advantage is that, light path switching can be carried out, improve the utilization rate of laser beam emitting device.
Description
Technical field
The utility model is related to laser 3D printing technical fields more particularly to a kind of light path based on SLA technology to switch system
System and SLA printing devices.
Background technology
SLA technology is also known as Introduction To Stereolithography, and photocuring technology was fast-developing in recent years in China, 3D printing skill
Art rapid shaping by the way of successively building, thickness and its laser scanning methods influence printing effect very big.
It is that 3D printing equipment uses a set of optical system, i.e. a laser and a set of scanning system mostly at present, this is
System has that efficiency is low, main reason is that, it in print procedure, needs to carry out scraper movement, to ensure resin liquid table
Face is smooth, and scraper speed is generally slower, and can not be printed in scraper motion process, and laser needs to wait for, therefore swashs
Light device is not fully utilized, inefficiency.
Utility model content
For overcome the deficiencies in the prior art, one of the purpose of this utility model is to provide a kind of light of changeable light path
Road switching system.
The two of the purpose of this utility model are to provide a kind of SLA printing devices of changeable light path.
One of the purpose of this utility model adopts the following technical scheme that realization：
A kind of light path switching system based on SLA technology, including pedestal and laser beam emitting device, the pedestal are equipped with energy
The reflection subassembly that reflects of laser that laser beam emitting device is emitted, the reflection subassembly include movable turning mirror, institute
It states turning mirror to be arranged on the motion for driving turning mirror movement, the motion drives the turning mirror movement, changes
Laser is sent to corresponding equipment by the position of the turning mirror.
Further, this system further includes several scanning systems, and laser is sent to corresponding described sweep through above-mentioned turning mirror
Retouch system.
Further, the reflection subassembly includes the movable turning mirror and static speculum, the turning mirror
It is arranged between laser beam emitting device and speculum, the sum of the turning mirror and the quantity of the speculum and the scanning system
Quantity it is corresponding, the motion drives the turning mirror to enter or exit laser delivery optics；Alternatively, the reflection group
Part includes several movable turning mirrors, and the quantity of the turning mirror is corresponding with the quantity of the scanning system, described
Motion drives the turning mirror to enter or exit laser delivery optics.
Further, the quantity of the reflection subassembly is one group, and the motion drives the turning mirror along laser
Road movement is lost, until laser can be sent to corresponding equipment by being moved to.
Further, the motion includes turntable and drives the motor of turntable rotation, and the turning mirror is arranged in institute
It states on turntable, the turntable is equipped with the through-hole passed through for laser, and the motor drives the turntable rotation to make laser alignment institute
State turning mirror or the through-hole.
Further, the frequency of the laser beam emitting device transmitting laser and the motion frequency of the motion are mutually fitted
Match.
Further, further include control system, the control system is used to control the movement of the motion and described
The switch of laser beam emitting device.
Further, the laser beam emitting device front end is equipped with the beam expanding lens of adjustable spot size.
The two of the purpose of this utility model adopt the following technical scheme that realization：
A kind of SLA printing devices, including above-mentioned light path switching system.
Compared with prior art, the beneficial effects of the utility model are：
By moveable turning mirror and motion, change the laser route of laser beam emitting device transmitting, it can be by it
Switch between more complete equipments, when scanning system can not be printed, laser is switched into down a set of equipment that can be worked, is made
Laser beam emitting device does not have to be stopped for a long time, improves the utilization ratio of laser beam emitting device.
Description of the drawings
Fig. 1 is the principle schematic of the light path switching system of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the light path switching system of the utility model embodiment；
Fig. 3 is the structural schematic diagram of the turntable of the utility model embodiment.
In figure：10, pedestal；20, laser beam emitting device；21, laser；30, scanning system；31, the first scanning system；32、
Second scanning system；40, reflection subassembly；41, turning mirror；42, speculum；50, motion；51, turntable；52, motor；53、
Through-hole.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the utility model is described further, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of light path switching system based on SLA technology, including pedestal 10 and Laser emission
Device 20, pedestal 10 are equipped with the reflection subassembly 40 that can reflect the laser 21 that laser beam emitting device 20 emits, reflection group
Part 40 includes movable turning mirror 41, and turning mirror 41 is arranged on the motion 50 for driving turning mirror 41 to move, fitness machine
Structure 50 drives turning mirror 41 to move, and changes the position of turning mirror 41, laser is sent to corresponding equipment.By movably transferring
Mirror 41 and motion 50 change the laser route that laser beam emitting device 20 emits, it can be switched between more complete equipments,
When equipment can not carry out print job, laser is switched into down a set of equipment that can be printed, laser beam emitting device 20 is made not have to
It is stopped for a long time, improves the utilization ratio of laser beam emitting device 20.
This system further includes several scanning systems, and laser is sent to corresponding scanning system through above-mentioned turning mirror.It is real one
It applies in example, reflection subassembly 40 includes movable turning mirror 41 and static speculum 42, and turning mirror 41 is arranged in Laser emission
Between device 20 and speculum 42, turning mirror 41 and the sum of the quantity of speculum 42 are corresponding with the quantity of scanning system 30, fortune
Motivation structure 50 drives turning mirror 41 to enter or exit laser delivery optics.Alternatively, reflection subassembly includes several movable turnovers
Mirror, the quantity of turning mirror is corresponding with the quantity of scanning system, and motion drives turning mirror to enter or exit laser and loses
Road.Motion 50 drives turning mirror 41 to enter or exit laser delivery optics, when turning mirror 41 is located in laser delivery optics,
Laser is sent to corresponding scanning system 30, and when turning mirror 41 exits laser delivery optics, laser is sent to the latter turnover
Mirror 41 or speculum 42, and it is sent to its corresponding scanning system 30.Turning mirror and speculum are for reflection laser, difference
It is only that movement or static, there is no the differentiations of this body structure, material etc..
In another embodiment, one group of reflection subassembly 40 is only set, you can the turning mirror 41 of movement, when a certain scanning system
30 are stopped in the state for stopping printing, laser beam emitting device 20, and motion 50 drives turning mirror 41 to be transmitted along laser
Light path moves, until it is moved to the position that laser can be sent to the corresponding scanning system 30 that can be printed, laser hair
Injection device 20 starts, and at Laser emission to turning mirror 41, corresponding scanning system is sent to through the mobile turning mirror 41 completed
In 30, continue to print.Laser delivery optics do not include the light path after turnover reflection.
The structure of motion 50 can there are many, one of which is chosen in the present embodiment and is illustrated, including turntable 51
With the motor 52 for driving turntable 51 to rotate, turning mirror 41 is arranged on turntable 51, and turntable 51 is equipped with the through-hole passed through for laser
53, motor 52 drives the rotation of turntable 51 to make laser alignment turning mirror 41 or through-hole 53.Made by way of rotation turning mirror 41 into
Enter or exit optical, after 41 exit optical of turning mirror, laser may pass through the lower turning mirror 41 of 53 directive of through-hole, continue to beat
Print.Also a kind of mode is to drive turning mirror 41 to be moved forward and backward by the way that guide rail and movable block is arranged, and is made it into or exit optical.
The quantity of through-hole 53 and turning mirror 41 is multiple, and through-hole 53 is provided at circumferentially spaced with turning mirror 41 in 51 table of turntable
Face makes turntable 51 that can realize that the position of through-hole 53 and turning mirror 41 was replaced without rotating multi-angle.
A kind of SLA printing devices, including above-mentioned light path switching system.
A kind of SLA Method of printings, include the following steps：
Including two sets of scanning systems, interval carries out laser printing, when the first scanning system terminates laser printing, progress scraper
When movement, laser is sent to the second scanning system through light path switching system and carries out laser printing, after stopping laser printing, laser
It is sent back to the first scanning system through light path switching system again, the first scanning system continues laser printing.
As shown in Fig. 2, being illustrated with scheming upper embodiment, the quantity of scanning system 30 is two, is divided into the first scanning
The quantity of system 31 and the second scanning system 32, reflection subassembly 40 is two, is movable turning mirror 41 and static reflection
Mirror 42, the first scanning system 31 is corresponding with turning mirror 41, and the second scanning system 32 is corresponding with speculum 42.This light path switches
System further includes control system, and switch of the control system for the movement and laser beam emitting device 20 of controlled motion mechanism 50 makes
The frequency that laser beam emitting device 20 emits laser is adapted with the motion frequency of motion 50.Turnover on turntable 51 is set
There is certain distance between mirror 41, with through-hole 53, to prevent laser from making the damage turntable 51 on turntable 51, need by controlling system
The laser emission frequency of system control laser beam emitting device 20, when the first scanning system 31 enters the work that scraper movement etc. can not print
When sequence, laser beam emitting device 20 is closed, and turntable 51 drives lower band turn fold mirror 41 to rotate up to and goes to through-hole 53 in motor 52
Laser beam emitting device 20 is then opened in 41 origin-location of turning mirror, and laser is passed through from through-hole 53, enters second through speculum 42
Scanning system 32；When the second scanning system 32 can not carry out printing process, 20 temporary close of laser beam emitting device, turntable 51 exists
Motor 52 resets turning mirror 41 under driving, and laser enters the first scanning system 31 through turning mirror 41, continues to print.Laser emission
The work of device 20 is to project laser with certain frequency, when the rotational frequency and laser beam emitting device 20 of turntable 51 go out light frequency
Reach certain matching, at this time 20 frequency of laser beam emitting device is just divided, as long as laser beam emitting device 20 power foot
Enough, two sets of scanning systems 30 can be carried out at the same time batch working.
In order to further increase printing effect, 20 front end of laser beam emitting device is equipped with the beam expanding lens of adjustable spot size, expands
The also controlled system control of beam mirror, for printing profile, is used to print fill part compared with small light spot compared with large spot.
The above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model range claimed.
Claims (9)
1. a kind of light path switching system based on SLA technology, including pedestal and laser beam emitting device, which is characterized in that the base
Seat is equipped with the reflection subassembly that can reflect the laser that laser beam emitting device emits, and the reflection subassembly includes movable
Turning mirror, the turning mirror are arranged on the motion for driving turning mirror movement, and the motion drives the turning mirror
Movement, changes the position of the turning mirror, laser is sent to corresponding equipment.
2. the light path switching system based on SLA technology as described in claim 1, which is characterized in that further include several scanning systems
System, laser are sent to the corresponding scanning system through above-mentioned turning mirror.
3. the light path switching system based on SLA technology as claimed in claim 2, which is characterized in that the reflection subassembly includes
The movable turning mirror and static speculum, the turning mirror are arranged between laser beam emitting device and speculum, institute
It states the sum of turning mirror and the quantity of the speculum and the quantity of the scanning system is corresponding, described in the motion drive
Turning mirror enters or exits laser delivery optics；Alternatively, the reflection subassembly includes several movable turning mirrors, it is described
The quantity of turning mirror is corresponding with the quantity of the scanning system, and the motion drives the turning mirror to enter or exit sharp
Optical transport light path.
4. the light path switching system based on SLA technology as described in claim 1, which is characterized in that the number of the reflection subassembly
Amount is one group, and the motion drives the turning mirror to be moved along laser delivery optics, until being moved to and can transmit laser
To corresponding equipment.
5. the light path switching system based on SLA technology as claimed in claim 3, which is characterized in that the motion includes
Turntable and the motor for driving turntable rotation, the turning mirror are arranged on the turntable, and the turntable is equipped with and is passed through for laser
Through-hole, the motor drives the turntable rotation to make turning mirror described in laser alignment or the through-hole.
6. the light path switching system according to any one of claims 1 to 5 based on SLA technology, which is characterized in that the laser hair
The frequency of injection device transmitting laser is adapted with the motion frequency of the motion.
7. the light path switching system according to any one of claims 1 to 5 based on SLA technology, which is characterized in that further include control
System, the control system are used to control movement and the switch of the laser beam emitting device of the motion.
8. the light path switching system according to any one of claims 1 to 5 based on SLA technology, which is characterized in that the laser hair
Injection device front end is equipped with the beam expanding lens of adjustable spot size.
9. a kind of SLA printing devices, which is characterized in that including the light path switching system described in claim 1-8 any bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721534448.7U CN207663144U (en) | 2017-11-16 | 2017-11-16 | A kind of light path switching system and SLA printing devices based on SLA technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721534448.7U CN207663144U (en) | 2017-11-16 | 2017-11-16 | A kind of light path switching system and SLA printing devices based on SLA technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207663144U true CN207663144U (en) | 2018-07-27 |
Family
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| CN201721534448.7U Active CN207663144U (en) | 2017-11-16 | 2017-11-16 | A kind of light path switching system and SLA printing devices based on SLA technology |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303797A (en) * | 2017-11-16 | 2018-07-20 | 杭州先临易加三维科技有限公司 | A kind of light path switching system, SLA printing devices and its Method of printing based on SLA technology |
| CN109378284A (en) * | 2018-10-24 | 2019-02-22 | 京东方科技集团股份有限公司 | Laser equipment and its working method |
| CN110244138A (en) * | 2019-05-29 | 2019-09-17 | 同济大学 | The two-sided in-situ measurement system and method for distribution of charges in a kind of thin dielectric film |
-
2017
- 2017-11-16 CN CN201721534448.7U patent/CN207663144U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303797A (en) * | 2017-11-16 | 2018-07-20 | 杭州先临易加三维科技有限公司 | A kind of light path switching system, SLA printing devices and its Method of printing based on SLA technology |
| CN109378284A (en) * | 2018-10-24 | 2019-02-22 | 京东方科技集团股份有限公司 | Laser equipment and its working method |
| CN109378284B (en) * | 2018-10-24 | 2020-11-17 | 京东方科技集团股份有限公司 | Laser device and working method thereof |
| CN110244138A (en) * | 2019-05-29 | 2019-09-17 | 同济大学 | The two-sided in-situ measurement system and method for distribution of charges in a kind of thin dielectric film |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 1828 Xiangbin Road, Wenyan street, Xiaoshan District, Hangzhou City, Zhejiang Province 310000 Patentee after: Easy plus 3D additive technology (Hangzhou) Co.,Ltd. Address before: 311258 No. 1398, Wenbin Road, Wenyan street, Xiaoshan District, Hangzhou, Zhejiang. Patentee before: HANGZHOU XIANLIN YIJIA 3D TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |