CN207327622U - A kind of double light path adjusting part on laser 3D printing machine - Google Patents
A kind of double light path adjusting part on laser 3D printing machine Download PDFInfo
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- CN207327622U CN207327622U CN201721035750.8U CN201721035750U CN207327622U CN 207327622 U CN207327622 U CN 207327622U CN 201721035750 U CN201721035750 U CN 201721035750U CN 207327622 U CN207327622 U CN 207327622U
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- expanding lens
- beam expanding
- laser
- mounting base
- reflection subassembly
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- 238000010146 3D printing Methods 0.000 title claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 28
- 230000003287 optical effect Effects 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 14
- 238000007639 printing Methods 0.000 abstract description 18
- 230000008901 benefit Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000011514 reflex Effects 0.000 description 3
- 239000000686 essence Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of double light path adjusting part on laser 3D printing machine, including component mounting base, laser generator, adjustable beam expanding lens, displacement module, the first reflection subassembly, the second reflection subassembly, the first galvanometer, the first focus lamp, the 3rd reflection subassembly, the 4th reflection subassembly, the second galvanometer and the second focus lamp.The driving that this programme passes through electric pushrod, power detecting instrument is forward extended out the power of measuring beam, and feed back to controller, controller will adjust the running parameter of laser generator in real time according to measured power deviation, ensure to print the power at hot spot and remain constant, so as to improve print quality；Adjustable beam expanding lens is equipped between laser generator and speculum, motor driving input mirror is driven by beam expanding lens, changes input the distance between mirror and outgoing mirror, adjusts the diameter of laser beam in real time, realize the purpose of printing speed.The utility model also has the advantages that simple in structure, manufacture cost is low, easy to implement.
Description
Technical field
It the utility model is related to laser 3D printing device field, more particularly to a kind of tool in laser 3D printing device
There is the optical path adjusting component of double light path regulatory function.
Background technology
At present, the laser 3D printing device (especially SLA 3D printings equipment) of in the market is mostly only with a kind of multiplying power
Beam expanding lens come adjust laser generator generation laser, therefore, the spot size that laser is beaten on liquid level is fixed, Wu Fagai
Become, when running into filling (inner support) in the larger workpiece of print area, since internal filling area is big, the printing of unit interval
Speed can be slack-off, seriously reduces the efficiency of printing, has spun out the time of printing.
Further, since being limited in scope of can printing of single focus lamp, single when needing to print larger sized workpiece
The scheme of focus lamp can not meet the requirement.
Therefore, the prior art requires further improvement and perfect.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided a kind of simple in structure, stamp with the size bigger
Be used for laser 3D printing device on optical path adjusting component.
The purpose of this utility model is achieved through the following technical solutions：
A kind of double light path adjusting part on laser 3D printing machine, the optical path adjusting component mainly include component and install
Bottom plate, the laser generator being sequentially fixed at according to the first light path on component mounting base, for adjusting beam diameter size
Adjustable beam expanding lens, the displacement module being fixed on component mounting base, the first reflection subassembly for changing laser beam propagation path
With the second reflection subassembly, for receiving light beam and changing the first galvanometer of propagation path and focused on for laser the
One focus lamp.The 3rd reflection subassembly on component mounting base, the 4th reflection subassembly, second are sequentially fixed at according to the second light path
Galvanometer and the second focus lamp.The laser generator, adjustable beam expanding lens, the first galvanometer and the contour installation of the second galvanometer, make to swash
The output terminal axis of optical generator, adjustable beam expanding lens axis, the input terminal of the first galvanometer, the first reflection subassembly, the second reflection group
Part, the 3rd reflection subassembly, the axis coaxle of the 4th reflection subassembly and the second galvanometer input terminal.Meanwhile make the output of laser
End at adjustable beam expanding lens, the first reflection subassembly, the 3rd reflection subassembly with the same line, making the first galvanometer, the second reflection group
Part, the second galvanometer and the 4th reflection subassembly are on unified straight line.
Specifically, the 3rd reflection subassembly is located at the rear of the first reflection subassembly, first reflection subassembly is installed on
On displacement module, the displacement module is fixed on component mounting base.The displacement module includes component mounting base, component is led
Rail, component screw, component sliding block and Component driver motor.The component mounting base is fixed on component mounting base, described group
Part guide rail and Component driver motor are fixed in component mounting base, and the axis of package traces is vertical with laser beam.The component
Sliding block is installed in package traces, and the component screw passes through component sliding block, and the both ends of component screw are fixed on component mounting base
On, and be sequentially connected with driving motor.First reflection subassembly is installed on component sliding block, anti-by the driving first of driving motor
Penetrate component and change current location to realize the switching between the first light path and the second light path.
Specifically, the adjustable beam expanding lens include beam expanding lens mounting base, by the input mirror of divergence of beam, by light-ray condensing
Outgoing mirror, plane mirror, beam expanding lens guide rail, beam expanding lens screw, beam expanding lens sliding block and beam expanding lens driving motor.The input mirror is recessed
Lens, the outgoing mirror are convex lens.The adjustable beam expanding lens mounting base is fixed on component mounting base, makes adjustable beam expanding lens
Between laser generator and the first reflection subassembly, the light beam that laser generator is produced amplifies certain multiplying power.It is described to expand
Mirror guide rail and beam expanding lens driving motor are each attached in beam expanding lens mounting base, and the axis of beam expanding lens guide rail is parallel with light beam, described
Beam expanding lens sliding block is installed on beam expanding lens guide rail, can be slidably reciprocated on beam expanding lens guide rail.The outgoing mirror and plane mirror pass through
Fixed seat is installed in beam expanding lens mounting base, and the input mirror is fixed on beam expanding lens sliding block, positioned at laser generator and output
Between mirror；Input mirror, outgoing mirror and the plane mirror are installed successively, and the optical axial of three is coaxial.The beam expanding lens screw
Installed through beam expanding lens sliding block, and the both ends of beam expanding lens screw are fixed in beam expanding lens mounting base, and drive motor with beam expanding lens
Connection.During adjusting, drive motor to drive beam expanding lens screw to rotate by beam expanding lens, drive beam expanding lens sliding block on beam expanding lens guide rail
Move back and forth, so as to change input the distance between mirror and outgoing mirror, realize the real-time adjustment for expanding multiplying power.
Preferably, in order to detect the power of laser in real time, it is ensured that the quality of printing, the utility model are further included for surveying
The power detection device of laser power, the power detection device are fixed on component mounting base, are arranged to two, respectively position
Between the second reflection subassembly and the first galvanometer between the 4th reflection subassembly and the second galvanometer, and with laser generator, adjustable
Beam expanding lens, the first galvanometer and the contour installation of the second galvanometer.The power detection device mainly includes power detection mounting base, for reality
Survey the electric pushrod that the power detecting instrument of laser beam power and driving power detector advance or retreat.The power inspection
Survey mounting base to be fixedly mounted on component mounting base, the electric pushrod is fixedly mounted in power detection mounting base, described
Power detecting instrument is fixedly mounted on electric pushrod, is forward extended out by electric pushrod driving power detector and is detected laser in real time
Light beam power.In print procedure, since the reasons such as voltage fluctuation, electromagnetic interference, mechanical shock can influence laser generator, make
Power into laser beam is unstable, and in order to ensure print quality, a power detection can be carried out after scraper single stroke,
Controller can control electric pushrod to push power detecting instrument forward at this time, until laser gets to the input terminal of power detecting instrument；
Power detecting instrument measures the power of current beam by on-line checking mode, and sends measurement data to controller, controller
Current power and the deviation for setting power are adjusted into the running parameter of laser generator in real time, so that projecting the printing of liquid level
Hot spot power is maintained in constant scope, effectively ensures the unification of print quality.
As the preferred solution of the utility model, the path that laser beam is propagated is adjusted for convenience, it is described in the utility model
First reflection subassembly, the second reflection subassembly, the 3rd reflection subassembly and the 4th reflection subassembly use optical adjusting frame structure.It is described
Optical adjusting frame structure includes being used for adjusting the height adjusting seat of lens height, lens mounting stand, for adjusting eyeglass in level
With eyeglass adjusting seat, reflecting optics, horizontal adjustment knob and the vertical adjusting knob swung on vertical direction.The height adjustment
One end of seat is installed on component mounting base, and the other end is fixedly connected with eyeglass adjusting seat.The eyeglass is installed by spring
In eyeglass adjusting seat, with the movable connection of eyeglass adjusting seat.The reflecting optics be installed on eyeglass be installed on it is upper, with
Lens mounting stand is fixedly connected.The horizontal adjustment knob and vertical adjusting knob are installed in eyeglass adjusting seat, and level is adjusted
The end of section knob and vertical adjusting knob is installed on eyeglass and abuts；By rotating horizontal adjustment knob, eyeglass can be pacified
The side for filling seat outwards ejects or is inwardly swung under the pulling force effect of spring；Similarly, by adjusting vertical adjusting knob, can incite somebody to action
The opposite side of lens mounting stand is outwards ejected or inwardly swung under the pulling force effect of spring；Speculum is adjusted so as to fulfill manual
The purpose of piece, easy to operate, degree of regulation is high and is not easy to loosen, and is effectively improved the debugging of optical path adjusting component
Efficiency, shortens debugging cycle.
As the preferred solution of the utility model, in order to reduce the damage rate of laser beam, light as much as possible is passed
Pass away, reflecting optics described in the utility model use ultraviolet fully-reflected type eyeglass.This kind of eyeglass can be by ultraviolet beam
More than 90% reflect away, so as to efficiently use laser power.
As the preferred solution of the utility model, the type of drive of adjustable beam expanding lens has two kinds, and one kind is the beam expanding lens
Driving motor uses servomotor or stepper motor, corresponding with the setting of multiplying power relation according to input mirror and the distance between outgoing mirror
Displacement distance, and by the way that in servomotor or stepper motor accurate movement to the position of positioning, the design operation is convenient, is not required to
Increase other parts.Another kind is that the adjustable beam expanding lens further includes the limit switch that mirror position is inputted for limiting, described
Limit switch is fixedly mounted in beam expanding lens mounting base, and the beam expanding lens sliding block on beam expanding lens guide rail is positioned.Using this
During design, beam expanding lens driving motor can use common electric machine, need to only be moved back and forth according to the instruction of limit switch, this sets
Meter has the advantages that cost is relatively low, type of drive is simple, easily implements.
As the preferred solution of the utility model, in order to which the position for inputting mirror is pin-pointed to designated position, this practicality
The new limit switch uses photo-electric limit switch.Photo-electric limit switch has the function of small, more, long lifespan, essence
The advantages that degree is high, fast response time, is very suitable for applying in the occasion.
Further, in order to which influence of the vibrations to laser generator when reducing printer work, the utility model also wrap
Include the foot pad transmitted for reducing vibrations.The foot pad is installed on the bottom of laser generator, and laser generator is fixed on group
On part mounting base.Since foot pad paves laser generator, the contact area with component mounting base is reduced, therefore can drop
The low influence to laser generator, it is ensured that its is working properly, reliable and stable.
As the preferred solution of the utility model, in order to reduce the volume of 3D printing equipment, inner space is saved, by laser
The injection direction of generator and the reception direction of the first galvanometer and the second galvanometer are arranged to opposite direction, therefore the utility model institute
It is 90 degree to state the installation angle between the first reflection subassembly and the second reflection subassembly.What the design can launch laser generator
Laser is directed in the first galvanometer and the second galvanometer by the reflex of two-face mirror piece and received, so as to optimize inner space
Layout, achieve the purpose that save inner space.Similarly, the installation between the 3rd reflection subassembly and the 4th reflection subassembly
Angle is 90 degree.
The working process and principle of the utility model are：The utility model is equipped with two printing light paths, passes through mobile first
The position of reflection subassembly, it is possible to achieve the real-time switching between two light paths, so as to increase the stamp with the size of workpiece, improves light path
Between switching efficiency；In addition set between the first galvanometer and the second reflection subassembly, between the second galvanometer and the 4th reflection subassembly
The power detection device of on-line measurement power is useful for, by the driving of electric pushrod, makes power detecting instrument when needed forward
Stretch out and the power of measuring laser beam in real time, and feed back to the controller of printer, controller will according to measured power with
The deviation of setting power adjusts the running parameter of laser generator in real time, to ensure that the power maintenance at printing hot spot is constant not
Become, so as to effectively improve print quality；Adjustable beam expanding lens is equipped between laser generator and speculum, passes through beam expanding lens
Driving motor driving input mirror moves back and forth on beam expanding lens guide rail, changes input the distance between mirror and outgoing mirror, adjusts in real time
The diameter of whole laser beam, so as to change the size of printing hot spot, realizes the purpose of printing speed；In addition, this practicality is new
Type is entered the light beam that laser generator is launched in galvanometer using two groups of reflection subassemblies after being totally reflected twice, this two groups of reflections
Component uses the total reflection eyeglass of high reflectance, light is entered as much as possible in focus lamp, so as to improve the profit of laser
With rate and power, accelerate print speed.The utility model also has the advantages that simple in structure, manufacture cost is low, easy to implement.
Compared with prior art, the utility model has further the advantage that：
(1) the double light path adjusting part provided by the utility model on laser 3D printing machine is using two groups of light paths point
It is other that workpiece is printed, automatically switched by moveable first reflection subassembly to two light paths, not only increase workpiece
Stamp with the size, while also simplify the structure design of double light path, reduce laser module quantity and upgrade cost.
(2) the double light path adjusting part use provided by the utility model on laser 3D printing machine can automatically adjust
Beam expanding lens, by motor drive input mirror moved on beam expanding lens guide rail so that change input mirror and outgoing mirror between away from
From realization expands the automatic adjustment of multiplying power, effectively accelerates the speed and raising print quality of printing.
(3) the double light path adjusting part provided by the utility model on laser 3D printing machine is coated with film using two groups
Ultraviolet total reflection eyeglass, this two groups of eyeglasses reflex to the laser that laser generator is launched in galvanometer as much as possible to be made
With, effectively improve laser utilization rate and printing hot spot at laser power.
(4) the double light path adjusting part provided by the utility model on laser 3D printing machine uses foot pad by laser
Generator support is got up, so that influence of vibrations when reducing printer work to laser generator, it is ensured that laser generator work
Make in normal condition, so as to improve the efficiency and quality of printing.
(5) the double light path adjusting part provided by the utility model on laser 3D printing machine is driven using electric pushrod
The mode of dynamic power detecting instrument, makes power detecting instrument be forward extended out when needing detection, retracts backward after detection, automate
Degree is high, it is not necessary to which manual intervention, effectively increases the efficiency of detection.
Brief description of the drawings
Fig. 1 is the structural representation of the double light path adjusting part provided by the utility model on laser 3D printing machine
Figure.
Fig. 2 is the structure diagram of set of displacements module provided by the utility model.
Fig. 3 is the structure diagram of adjustable beam expanding lens provided by the utility model.
Fig. 4 is the structure diagram of power detection device provided by the utility model.
Fig. 5 is the structure diagram of optical adjusting frame structure provided by the utility model.
Fig. 6 is the stereogram of optical adjusting frame structure provided by the utility model.
Label declaration in above-mentioned attached drawing：
1- component mounting bases, 2- laser generators, 3- is adjustable beam expanding lens, the first reflection subassemblies of 51-, 52- second reflect
Component, the 3rd reflection subassemblies of 53-, the 4th reflection subassemblies of 54-, the first galvanometers of 61-, the second galvanometers of 62-, the first focus lamps of 71-,
The second focus lamps of 72-, 8- power detection devices, 9- displacement modules；
31- beam expanding lens mounting bases, 32- input mirrors, 33- outgoing mirrors, 34- beam expanding lens guide rails, 35- beam expanding lens screws, 36- expand
Beam mirror sliding block, 37- beam expanding lens driving motor, 38- limit switches；
41- height adjusting seats, 42- lens mounting stands, 43- eyeglass adjusting seats, 44- reflecting optics, the rotation of 45- Level tunes
Button, the vertical adjusting knobs of 46-；
81- power detection mounting bases, 82- electric pushrods, 83- power detecting instruments；
91- component mounting bases, 92- package traces, 93- component screws, 94- component sliding blocks, 95- Component driver motors.
Embodiment
To make the purpose of this utility model, technical solution and advantage clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is described in further detail for example.
Embodiment 1：
As shown in Figure 1, the utility model discloses a kind of double light path adjusting part on laser 3D printing machine, the light
The laser hair that road adjusting part mainly includes component mounting base 1, is sequentially fixed at according to the first light path on component mounting base 1
Raw device 2, the adjustable beam expanding lens 3 for adjusting beam diameter size, the displacement module 9 being fixed on component mounting base 1, be used for
Change laser beam propagation path the first reflection subassembly 51 and the second reflection subassembly, for receive light beam and change propagation path
The first galvanometer 61 and for laser focus on the first focus lamp 71.Component installation bottom is sequentially fixed at according to the second light path
The 3rd reflection subassembly 53, the 4th reflection subassembly 54, the second galvanometer 62 and the second focus lamp 72 on plate 1.The laser occurs
Device 2, the 62 contour installation of adjustable beam expanding lens 3, the first galvanometer 61 and the second galvanometer, make the output terminal axis, adjustable of laser generator 2
3 axis of beam expanding lens, the input terminal of the first galvanometer 61, the first reflection subassembly 51, the second reflection subassembly, the 3rd reflection subassembly 53,
The axis coaxle of 62 input terminal of four reflection subassemblies 54 and the second galvanometer.Meanwhile make the output terminal of laser and adjustable beam expanding lens
3rd, the first reflection subassembly 51, at the 3rd reflection subassembly 53 on the same line, make the first galvanometer 61, the second reflection subassembly, second
62 and the 4th reflection subassembly 54 of galvanometer is on unified straight line.
Specifically, with reference to shown in Fig. 1 and Fig. 2, the 3rd reflection subassembly 53 is located at the rear of the first reflection subassembly 51, institute
The first reflection subassembly 51 is stated on displacement module 9, the displacement module 9 is fixed on component mounting base 1.The displacement
Module 9 includes component mounting base 91, package traces 92, component screw 93, component sliding block 94 and Component driver motor 95.Described group
Part mounting base 91 is fixed on component mounting base 1, and the package traces 92 and Component driver motor 95 are fixed on component installation
On seat 91, the axis of package traces 92 is vertical with laser beam.The component sliding block 94 is installed in package traces 92, described group
Part screw 93 passes through component sliding block 94, and the both ends of component screw 93 are fixed in component mounting base 91, and is driven with driving motor
Connection.First reflection subassembly 51 is installed on component sliding block 94, is driven the first reflection subassembly 51 to change by driving motor and is worked as
The switching between the first light path and the second light path is realized in front position.
Specifically, with reference to shown in Fig. 1 and Fig. 3, the adjustable beam expanding lens 3 includes beam expanding lens mounting base 31, by divergence of beam
Input mirror 32, by the outgoing mirror 33 of light-ray condensing, plane mirror, beam expanding lens guide rail 34, beam expanding lens screw 35, beam expanding lens sliding block 36
Motor 37 is driven with beam expanding lens.The input mirror 32 is concavees lens, and the outgoing mirror 33 is convex lens.The adjustable beam expanding lens 3
Mounting base is fixed on component mounting base 1, adjustable beam expanding lens 3 is located between 2 and first reflection subassembly 51 of laser generator,
The light beam that laser generator 2 is produced amplifies certain multiplying power.Beam expanding lens guide rail 34 and beam expanding lens the driving motor 37 is fixed
In beam expanding lens mounting base 31, the axis of beam expanding lens guide rail 34 is parallel with light beam, and the beam expanding lens sliding block 36 is installed on beam expanding lens
On guide rail 34, it can slidably reciprocate on beam expanding lens guide rail 34.The outgoing mirror 33 and plane mirror are installed on by fixed seat and expanded
In mirror mounting base 31, the input mirror 32 is fixed on beam expanding lens sliding block 36, between laser generator 2 and outgoing mirror 33；
Input mirror 32, outgoing mirror 33 and the plane mirror are installed successively, and the optical axial of three is coaxial.The beam expanding lens screw 35 is worn
Beam expanding lens sliding block 36 is crossed to install, and the both ends of beam expanding lens screw 35 are fixed in beam expanding lens mounting base 31, and driven with beam expanding lens
Motor 37 connects.During adjusting, drive motor 37 to drive beam expanding lens screw 35 to rotate by beam expanding lens, drive beam expanding lens sliding block 36 to exist
Move back and forth on beam expanding lens guide rail 34, so as to change input the distance between mirror 32 and outgoing mirror 33, realize the reality for expanding multiplying power
When adjust.
Preferably, with reference to shown in Fig. 1 and Fig. 4, in order to detect the power of laser in real time, it is ensured that the quality of printing, this practicality
The new power detection device 8 further included for surveying laser power, the power detection device 8 are fixed on component mounting base
On 1, two are arranged to, respectively between the second reflection subassembly and the first galvanometer 61 and the 4th reflection subassembly 54 and the second galvanometer
Between 62, and with laser generator 2, the 62 contour installation of adjustable beam expanding lens 3, the first galvanometer 61 and the second galvanometer.The power detection
Device 8 mainly includes power detection mounting base 81, the power detecting instrument 83 for surveying laser beam power and driving power
The electric pushrod 82 that detector 83 advances or retreats.The power detection mounting base 81 is fixedly mounted on component mounting base 1,
The electric pushrod 82 is fixedly mounted in power detection mounting base 81, and the power detecting instrument 83 is fixedly mounted on electric pushrod
On 82, forward extended out by 82 driving power detector 83 of electric pushrod and detect laser beam power in real time.In print procedure,
Since the reasons such as voltage fluctuation, electromagnetic interference, mechanical shock can influence laser generator 2, cause the power of laser beam unstable
It is fixed, in order to ensure print quality, a power detection can be carried out after scraper single stroke, controller can control electronic at this time
Push rod 82 pushes forward power detecting instrument 83, until laser gets to the input terminal of power detecting instrument 83；Power detecting instrument 83 is logical
Cross the power that on-line checking mode measures current beam, and send measurement data to controller, controller by current power with
The deviation of setting power adjusts the running parameter of laser generator 2 in real time, so that projecting the printing hot spot power dimension of liquid level
Hold in constant scope, effectively ensure the unification of print quality.
As the preferred solution of the utility model, with reference to shown in Fig. 1, Fig. 5 and Fig. 6, laser beam is adjusted for convenience and is propagated
Path, the first reflection subassembly 51, the second reflection subassembly, the 3rd reflection subassembly 53 and the 4th reflection subassembly described in the utility model
54 use optical adjusting frame structure.The optical adjusting frame structure include be used for adjust lens height height adjusting seat 41,
Lens mounting stand 42, eyeglass adjusting seat 43, reflecting optics 44, the level swung in the horizontal and vertical directions for adjusting eyeglass
Adjusting knob 45 and vertical adjusting knob 46.One end of the height adjusting seat 41 is installed on component mounting base 1, the other end
It is fixedly connected with eyeglass adjusting seat 43.The eyeglass is installed in eyeglass adjusting seat 43 by spring, is adjusted with eyeglass
43 movable connections of seat.The reflecting optics 44 be installed on eyeglass be installed on it is upper, be fixedly connected with lens mounting stand 42.The water
Flat adjusting knob 45 and vertical adjusting knob 46 are installed in eyeglass adjusting seat 43, and horizontal adjustment knob 45 and vertical adjust are revolved
The end of button 46 is installed on eyeglass and abuts；, can be lateral by the one of lens mounting stand 42 by rotating horizontal adjustment knob 45
Outer ejection is inwardly swung under the pulling force effect of spring；Similarly, can be by lens mounting stand by adjusting vertical adjusting knob 46
42 opposite side is outwards ejected or inwardly swung under the pulling force effect of spring；So as to fulfill the manual mesh for adjusting reflecting optics 44
, easy to operate, degree of regulation is high and is not easy to loosen, and is effectively improved the debugging efficiency of optical path adjusting component,
Shorten debugging cycle.
As the preferred solution of the utility model, in order to reduce the damage rate of laser beam, light as much as possible is passed
Pass away, reflecting optics 44 described in the utility model use ultraviolet fully-reflected type eyeglass.This kind of eyeglass can be by ultraviolet
More than the 90% of beam reflects away, so as to efficiently use laser power.
As the preferred solution of the utility model, the type of drive of adjustable beam expanding lens 3 has two kinds, and one kind is the beam expanding lens
Drive motor 37 to use servomotor or stepper motor, set according to the distance between input mirror 32 and outgoing mirror 33 with multiplying power relation
Fixed corresponding displacement distance, and by servomotor or stepper motor accurate movement to the position of positioning, the design operation side
Just other parts need not, be increased.Another kind is that the adjustable beam expanding lens 3 is further included for limiting the spacing of 32 position of input mirror
Switch 38, the limit switch 38 is fixedly mounted in beam expanding lens mounting base 31, to the beam expanding lens sliding block on beam expanding lens guide rail 34
36 are positioned.During using this design, beam expanding lens driving motor 37 can use common electric machine, only need to be according to limit switch 38
Instruction move back and forth, which has the advantages that cost is relatively low, type of drive is simple, easily implements.
As the preferred solution of the utility model, in order to which the position for inputting mirror 32 is pin-pointed to designated position, this reality
Photo-electric limit switch 38 is used with the new limit switch 38.Photo-electric limit switch 38 has the function of small, the more, longevity
The advantages that life is long, precision is high, fast response time, is very suitable for applying in the occasion.
Further, in order to which influence of the vibrations to laser generator 2 when reducing printer work, the utility model also wrap
Include the foot pad transmitted for reducing vibrations.The foot pad is installed on the bottom of laser generator 2, and laser generator 2 is fixed on
On component mounting base 1.Since foot pad paves laser generator 2, the contact area with component mounting base 1 is reduced, therefore
The influence to laser generator 2 can be reduced, it is ensured that its is working properly, reliable and stable.
As the preferred solution of the utility model, in order to reduce the volume of 3D printing equipment, inner space is saved, by laser
The injection direction of generator 2 and the reception direction of the first galvanometer 61 and the second galvanometer 62 are arranged to opposite direction, therefore this practicality
Installation angle between new first reflection subassembly, 51 and second reflection subassembly is 90 degree.Laser can occur for the design
The laser that device 2 is launched is directed in the first galvanometer 61 and the second galvanometer 62 by the reflex of two-face mirror piece 44 to be received,
So as to optimize the layout of inner space, achieve the purpose that to save inner space.Similarly, the 3rd reflection subassembly 53 and the 4th
Setting angle between reflection subassembly 54 is 90 degree.
The working process and principle of the utility model are：The utility model is equipped with two printing light paths, passes through mobile first
The position of reflection subassembly 51, it is possible to achieve the real-time switching between two light paths, so as to increase the stamp with the size of workpiece, improves light
Switching efficiency between road；In addition between the first galvanometer 61 and the second reflection subassembly, the second galvanometer 62 and the 4th reflection subassembly
The power detection device 8 for on-line measurement power is equipped between 54, by the driving of electric pushrod 82, makes power detecting instrument 83
The simultaneously power of measuring laser beam, and feed back to the controller of printer in real time is forward extended out when needed, and controller will root
Factually the deviation of power scale and setting power adjusts the running parameter of laser generator 2 in real time, to ensure to print the work(at hot spot
Rate remains invariable, so as to effectively improve print quality；Adjustable expand is equipped between laser generator 2 and speculum
Mirror, by beam expanding lens drive motor 37 driving input mirror 32 move back and forth on beam expanding lens guide rail 34, change input mirror 32 with it is defeated
The distance between appearance 33, adjusts the diameter of laser beam in real time, so as to change the size of printing hot spot, realization is quickly beaten
The purpose of print；It is totally reflected twice in addition, the utility model is passed through the light beam that laser generator 2 is launched using two groups of reflection subassemblies
Enter afterwards in galvanometer, this two groups of reflection subassemblies use the total reflection eyeglass 44 of high reflectance, light is entered as much as possible
In focus lamp, so as to improve the utilization rate and power of laser, accelerate print speed.The utility model also has simple in structure, system
Cause the advantages of low, easy to implement.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model and from above-mentioned
The limitation of embodiment, the change made under other any Spirit Essences and principle without departing from the utility model, modify, replace
Generation, combination, simplify, and should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (9)
1. a kind of double light path adjusting part on laser 3D printing machine, it is characterised in that including component mounting base, basis
Laser generator that first light path is sequentially fixed on component mounting base, adjustable beam expanding lens, be fixed on component mounting base
Displacement module, the first reflection subassembly, the second reflection subassembly, for receive light beam and change light path the first galvanometer, Yi Jiyong
In the first focus lamp that laser focuses on；The 3rd reflection subassembly on component mounting base, are sequentially fixed at according to the second light path
Four reflection subassemblies, the second galvanometer and the second focus lamp；The laser generator, adjustable beam expanding lens, the first galvanometer and second shake
The contour installation of mirror；
3rd reflection subassembly is located at the rear of the first reflection subassembly, and first reflection subassembly is installed on displacement module；
The displacement module includes component mounting base, package traces, component screw, component sliding block and Component driver motor；The component
Mounting base is fixed on component mounting base, and the package traces and Component driver motor are fixed in component mounting base, component
The axis of guide rail is vertical with laser beam；The component sliding block is installed in package traces, and the component screw is slided through component
Block, the both ends of component screw are fixed in component mounting base, and are sequentially connected with driving motor；The first reflection subassembly installation
On component sliding block, drive the first reflection subassembly to change current location by driving motor realize the first light path and the second light path it
Between switching；
The adjustable beam expanding lens includes beam expanding lens mounting base, input mirror, outgoing mirror, plane mirror, beam expanding lens guide rail, beam expanding lens silk
Bar, beam expanding lens sliding block and beam expanding lens driving motor；The beam expanding lens mounting base is fixed on component mounting base, is sent out positioned at laser
Between raw device and the first reflection subassembly；Beam expanding lens guide rail and beam expanding lens the driving motor is each attached in beam expanding lens mounting base,
The axis of beam expanding lens guide rail is parallel with light beam, and the beam expanding lens sliding block is installed on beam expanding lens guide rail；The outgoing mirror and plane
Mirror is installed in beam expanding lens mounting base by fixed seat, and the input mirror is fixed on beam expanding lens sliding block, positioned at laser generator
Between outgoing mirror；The beam expanding lens screw passes through beam expanding lens sliding block, and the both ends of beam expanding lens screw are fixed on beam expanding lens mounting base
On, and be connected with beam expanding lens driving motor, drive motor to drive beam expanding lens screw to rotate by beam expanding lens change input mirror and
The distance between outgoing mirror, realizes the real-time adjustment for expanding multiplying power.
2. the double light path adjusting part according to claim 1 on laser 3D printing machine, it is characterised in that further include
For surveying the power detection device of laser power, the power detection device is fixed on component mounting base, is arranged to two
It is a, respectively between the second reflection subassembly and the first galvanometer between the 4th reflection subassembly and the second galvanometer, and sent out with laser
Raw device, adjustable beam expanding lens, the first galvanometer and the contour installation of the second galvanometer；The power detection device is installed including power detection
The electric pushrod that seat, the power detecting instrument for surveying laser beam power and driving power detector advance or retreat；Institute
State power detection mounting base to be fixedly mounted on component mounting base, the electric pushrod is fixedly mounted on power detection mounting base
On, the power detecting instrument is fixedly mounted on electric pushrod, and forward extending out detection by electric pushrod driving power detector swashs
Light light beam power.
3. the double light path adjusting part according to claim 1 on laser 3D printing machine, it is characterised in that described the
One reflection subassembly, the second reflection subassembly, the 3rd reflection subassembly and the 4th reflection subassembly use optical adjusting frame structure, the light
Learning adjustment frame structure includes height adjusting seat, lens mounting stand, eyeglass adjusting seat, reflecting optics, horizontal adjustment knob and vertical
Adjusting knob；One end of the height adjusting seat is installed on component mounting base, and the other end is fixedly connected with eyeglass adjusting seat；
The eyeglass is installed in eyeglass adjusting seat by spring, with the movable connection of eyeglass adjusting seat；The reflecting optics
Installed in eyeglass be installed on it is upper, be fixedly connected with lens mounting stand；The horizontal adjustment knob and vertical adjusting knob are respectively mounted
In eyeglass adjusting seat, the end of knob is installed on eyeglass to abut.
4. the double light path adjusting part according to claim 2 on laser 3D printing machine, it is characterised in that described anti-
Penetrate eyeglass and use ultraviolet fully-reflected type eyeglass.
5. the double light path adjusting part according to claim 1 on laser 3D printing machine, it is characterised in that the expansion
Beam mirror driving motor uses servomotor or stepper motor.
6. the double light path adjusting part according to claim 1 on laser 3D printing machine, it is characterised in that it is described can
Beam expanding lens is adjusted to further include the limit switch for limiting input mirror position, the limit switch is fixedly mounted on beam expanding lens mounting base
On, the beam expanding lens sliding block on beam expanding lens guide rail is positioned.
7. the double light path adjusting part according to claim 6 on laser 3D printing machine, it is characterised in that the limit
Bit switch uses photo-electric limit switch.
8. the double light path adjusting part according to claim 1 on laser 3D printing machine, it is characterised in that further include
The foot pad that vibrations are transmitted is reduced, the foot pad is installed on the bottom of laser generator, and laser generator is fixed on component installation
On bottom plate.
9. the double light path adjusting part according to claim 1 on laser 3D printing machine, it is characterised in that described the
Installation angle between one reflection subassembly and the second reflection subassembly is 90 degree；Between 3rd reflection subassembly and the 4th reflection subassembly
Setting angle is 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035750.8U CN207327622U (en) | 2017-08-18 | 2017-08-18 | A kind of double light path adjusting part on laser 3D printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035750.8U CN207327622U (en) | 2017-08-18 | 2017-08-18 | A kind of double light path adjusting part on laser 3D printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207327622U true CN207327622U (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721035750.8U Expired - Fee Related CN207327622U (en) | 2017-08-18 | 2017-08-18 | A kind of double light path adjusting part on laser 3D printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207327622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478155A (en) * | 2020-05-06 | 2020-07-31 | 武汉锐科光纤激光技术股份有限公司 | Rotary light path switching device |
| CN117799160A (en) * | 2024-03-01 | 2024-04-02 | 云耀深维(江苏)科技有限公司 | Optical path adjustment system for additive manufacturing apparatus and additive manufacturing apparatus |
-
2017
- 2017-08-18 CN CN201721035750.8U patent/CN207327622U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478155A (en) * | 2020-05-06 | 2020-07-31 | 武汉锐科光纤激光技术股份有限公司 | Rotary light path switching device |
| CN117799160A (en) * | 2024-03-01 | 2024-04-02 | 云耀深维(江苏)科技有限公司 | Optical path adjustment system for additive manufacturing apparatus and additive manufacturing apparatus |
| CN117799160B (en) * | 2024-03-01 | 2024-05-03 | 云耀深维(江苏)科技有限公司 | Optical path adjustment system for additive manufacturing apparatus and additive manufacturing apparatus |
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