CN206009837U - A kind of control system of laminar flow plasma 3D printing - Google Patents
A kind of control system of laminar flow plasma 3D printing Download PDFInfo
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- CN206009837U CN206009837U CN201620988121.6U CN201620988121U CN206009837U CN 206009837 U CN206009837 U CN 206009837U CN 201620988121 U CN201620988121 U CN 201620988121U CN 206009837 U CN206009837 U CN 206009837U
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Abstract
The utility model discloses a kind of control system of laminar flow plasma 3D printing, is related to 3D printing field, including connecting the CPU of human-computer interaction interface；The CPU is also associated with controller 1, controller 2 and controller 3；The connection of the controller 1 control rotating driver and fixed block；The connection control three-dimensional mechanical hand of the controller 2, feeding device, water circulating pump and air compressor；The connection of the controller 3 control laminar flow plasma generator and arc voltage regulator, the control system of this laminar flow plasma 3D printing can provide in printing stable thermal source, print member can freedom and flexibility motion, printed material can preprocessing to improve end product quality, while also with the stamp pad that printout can be coordinated to be adjusted.
Description
Technical field
The utility model is related to 3D printing field, relates in particular to a kind of control system of laminar flow plasma 3D printing.
Background technology
Increasing material manufacturing（That is 3D printing）Rapid shaping principle of the technology according to material addition, to go out designed by computer software
Three-dimension process model file based on, with liquefaction, powdered, silk can viscous solid material（Such as metal, macromolecule material
Material etc.）, product is produced successively, the technology has and is not limited by part complexity, the features such as fully digitalization is controlled, thoroughly
The pattern of traditional manufacture forging, machining is overturned, the industrial mode of production of large-scale production line has been changed, has been brought individual character
Change, low consumption, small lot, the manufacture new concept such as highly difficult and new paragon, with the huge meaning for inducing a new industrial revolution,
Advanced thermal source generating means in 3D printing equipment, is a most dazzling jewel on 3D printing imperial crown, and it is directly connected to increasing
Material is manufactured（3D printing）During product forming quality and forming efficiency, with high technology content, belong to positioned at product
The high-end high value added product of industry chain, at present, most metal 3D printing equipment adopt laser beam, electron beam as thermal source, both
The advantage of high precision is respectively provided with, but expensive, manufacture efficiency is low, be not suitable for extensive Industry Promotion, currently mainly should
For the field that Aero-Space, defence equipment etc. are more narrow, it is to solve problem above, in prior art, it is also proposed some skills
Art scheme, such as Publication No. CN104815985A, time of disclosure are August in 2015 5, a kind of entitled " microplasma 3D
The Chinese invention patent of printing device and method ", the equipment include plasma process device, central control system, forming room, work
Make platform, numerical control main axle, driving means, dust feeder.Plasma generator, plasma arc voltage Height-adjusting device, plasma spraying gun,
Work gas circuit, cooling water channel constitute plasma process integrated unit.Using microplasma body as the molten of metal 3D printing
Change the thermal source of metal material, while the formed precision close with laser 3D printing technology is ensured, can obtain a kind of efficient, low
The technical grade metal parts 3D printing equipment of cost, but still it is not sufficiently stable using microplasma, and the effect as thermal source
Fruit need to be improved, and its movement locus can be subject to certain restrictions by way of axle is dynamic, has a lot " blind in printing
Area " is unable to reach, and the design additionally, the thermal source in 3D printing is not lowered the temperature, Long-Time Service are likely to cause potential faults.
Content of the invention：
The purpose of this utility model be provide one kind can provide stable thermal source, print member can freedom and flexibility fortune
Dynamic, printed material can preprocessing to improve end product quality, while also with the stamp pad that printout can be coordinated to be adjusted
The control system of laminar flow plasma 3D printing.
The purpose of this utility model is achieved through the following technical solutions：
A kind of control system of laminar flow plasma 3D printing, it is characterised in that：Including connecting the central authorities of human-computer interaction interface
Processing unit；The CPU is also associated with controller 1, controller 2 and controller 3；The connection control of the controller 1
Rotating driver and fixed block；The connection control three-dimensional mechanical hand of the controller 2, feeding device, water circulating pump and air compression
Machine；The connection of the controller 3 control laminar flow plasma generator and arc voltage regulator.
The feeding device includes that hopper, feeder channel and powder spheroidization device, the control feeding device of the controller 2 are opened
Dynamic, dusty material is entered after spheroidization device carries out spheroidization pretreatment by feeder channel and is sent to the laminar flow by feeder channel again
Plasma generator is heated.
The rotating driver and three-dimensional mechanical hand are provided with stop, and positional information is returned to institute by the stop
State CPU.
The laminar flow plasma generator front end is additionally provided with temperature detector, and the temperature detector is by laminar flow plasma
The beam-plasma temperature detection result that generator is produced passes the CPU back.
The air compressor is that the fixed block and feeding device provide compressed air.
The controller 1, controller 2 and controller 3 are PLC processors, and according to main website and the layout from standing posture, described
Controller 1, controller 2 and controller 3 are PLC from station processor, and master station processor is arranged in the central processing unit.
A kind of 3D printing equipment based on laminar flow plasma technology, including Photocopy Room and central controller, also includes
Feeding device, air compressor and water circulating pump with powder spheroidization device；It is provided with printhead in the Photocopy Room
Three-dimensional mechanical hand；Laminar flow plasma process device is provided with the printhead；The laminar flow plasma process device and institute
State feed dress to be flexibly connected by charging line；The air compressor and water pump respectively by pneumatic circuit and cooling circuit with
The laminar flow plasma process device is connected；The Photocopy Room also includes a 3D printing machine table, the 3D printing machine table
On be provided with turntable with fixed block.
The laminar flow plasma process device includes control unit, laminar flow plasma generator, arc voltage regulator, water-cooled dress
Put and gun body；The laminar flow plasma generator and arc voltage adjust high device and are arranged in the gun body；The water cooling plant is arranged
Connect on the wall of the gun body and with the cooling circuit；Described control unit key-course stream plasma generator produces laminar flow
Beam-plasma, adjusts laminar flow beam-plasma by arc voltage regulator and sprays heating beating from feeding device supply from gun body
Printed material material.
The pneumatic circuit and cooling circuit are arranged and pass through Photocopy Room with vapour source and water source along the side wall of the Photocopy Room
Connection.
The laminar flow plasma generator, using axis cylindrical anode structure, and along the uniform cloth of anode posts peripheral circular
Put the negative electrode of 3 or more than 3, anode and negative electrode are installed on same base fixed, mutually insulated, base have water, electricity,
Gas passage, the outer surface opposing insulation of cylindrical anode, only in the exposed conduction of the close head for exporting, so as to shape between negative electrode
Into electric field, whole generator is the tubular profile of a sealing water-cooled, and there is plasma exit nozzle one end, and nozzle is to electric arc etc.
Gas ions carry out mechanical compress.Using laminar flow plasma generator as thermal source, power-efficient height and working stability, arc voltage fluctuates
No more than 0.5, current fluctuation, up to more than 200 hours, under air, arc length is more than arc in 1000mm, vacuum for continuous working life
The long 3000mm, electric arc end arc footpath of being more than is more than 400mm, while its work noise is low, it is 30～50 decibels；Laminar flow etc. during work
The maximum equivalent temperature on ion beam current injection material surface is 61700 DEG C, can melt metallic particles diameter not less than 4mm, have
Extremely strong applicability, uses laminar flow plasma as thermal source is printed, and overcomes traditional turbulent plasma beam low precision, air volume
Enter the shortcoming of many, thermograde difference, long arc, high temperature, efficient, digital controllable are suitable to the manufacture of high-accuracy, intelligence shaping；Secondly, etc.
The ionization property that ion beam itself has so that energy can be deep into metal inside, while do not produce surface reflection, thermal effect
Rate is very high, far superior to laser；Again, intense radiation is not produced, and environmental performance is much better than electron beam.
The three-dimensional mechanical hand includes cranking arm, universal connecting shaft, drive mechanism, testing agency and controlling organization；Three-dimensional machine
Tool hand is the automation equipment that commonly uses in modernization industry, and technology maturation flexibility ratio is high, and there is goodish machining accuracy.
The beneficial effects of the utility model are as follows：
First, the control system of a kind of laminar flow plasma 3D printing that the utility model is provided, operating personnel can pass through people
, by print command input system, CPU is according to instruction to controller 1, controller 2 and controller 3 for machine interactive interface
Go out job instruction, controller 2 starts three-dimensional mechanical hand, feeding device, water circulating pump and air compressor, and controller 3 starts layer
Stream plasma generator the intensity by controlling arc voltage regulator regulation beam-plasma, beam-plasma will be conveyed by feeding device
The dusty material for coming is heated and is printed under the drive of three-dimensional mechanical hand, each cooling of water circulating pump to equipment in printing
Pump water cooling in loop, while according to the demand of printing, the control of controller 1 starts rotating driver and drives the rotation printed in machine table
Platform is coordinating print procedure.
2nd, the control system of a kind of laminar flow plasma 3D printing that the utility model is provided, the powder of feeding device are spherical
Change device can carry out preprocessing to printing consumables powder so that powder particle surface level off to spherical, so print process
In better.
3rd, a kind of 3D printing equipment based on laminar flow plasma technology that the utility model is provided, stop is by movable part
The positional information of part is returned to the CPU, contribute to system grasp printing conditions in time and according to field condition and
When feed back and adjust.
4th, the control system of a kind of laminar flow plasma 3D printing that the utility model is provided, temperature detector is by laminar flow etc.
The beam-plasma temperature detection result that ion generator is produced passes the CPU back, and grasp is beaten in time to contribute to system
Temperature regime during print is simultaneously fed back and adjusts according to field condition in time.
5th, the control system of a kind of laminar flow plasma 3D printing that the utility model is provided, air compressor is fixed block
Compressed air is provided, when turntable does and rotates, fixed block can clamp printout to avoid displacement.
6th, the utility model provide a kind of laminar flow plasma 3D printing control system, the main website of PLC processor and from
Standing posture layout is more ripe control mode in modern automation industry, realizes that many functions, high precision, controllability are good.
Description of the drawings
Fig. 1 is a kind of structural representation of preferred version of the utility model；
Fig. 2 is a kind of schematic diagram of preferred version of the utility model corresponding device；
In figure：
1st, Photocopy Room；2nd, central controller；3rd, feeding device；4th, air compressor；5th, water circulating pump；6th, three-dimensional machinery
Hand；7th, printhead；8th, charging line；9th, 3D printing machine table；10th, turntable；11st, fixed block.
Specific embodiment
The technical solution of the utility model is further illustrated below by way of several embodiments, it should be noted that realizing
The technical scheme of the utility model purpose includes but is not limited to following examples.
Embodiment 1
Such as Fig. 1 and Fig. 2, a kind of control system of laminar flow plasma 3D printing, including connecting the central authorities of human-computer interaction interface
Processing unit；The CPU is also associated with controller 1, controller 2 and controller 3；The connection control of the controller 1
Rotating driver and fixed block；The connection control three-dimensional mechanical hand 6, feeding device of the controller 2, water circulating pump 5 and air pressure
Contracting machine 4；The connection of the controller 3 control laminar flow plasma generator and arc voltage regulator.
This is a kind of most basic embodiment of the present utility model.Operating personnel by human-computer interaction interface will can beat
Print instruction input system, CPU send job instruction according to instruction to controller 1, controller 2 and controller 3, control
Device processed 2 starts three-dimensional mechanical hand 6, feeding device 3, water circulating pump 5 and air compressor 4, and controller 3 starts laminar flow plasma and sends out
Raw device the intensity by controlling arc voltage regulator regulation beam-plasma, beam-plasma will be conveyed the powder for coming by feeding device 3
Material is heated and is printed under the drive of three-dimensional mechanical hand 6, and in printing, water circulating pump 5 is in each cooling circuit of equipment
Pump water lower the temperature, while according to print demand, controller 1 control start rotating driver drive print machine table on turntable 10 with
Coordinate print procedure.
Embodiment 2
Such as Fig. 1 and Fig. 2, a kind of control system of laminar flow plasma 3D printing, including connecting the central authorities of human-computer interaction interface
Processing unit；The CPU is also associated with controller 1, controller 2 and controller 3；The connection control of the controller 1
Rotating driver and fixed block；The connection control three-dimensional mechanical hand 6, feeding device of the controller 2, water circulating pump 5 and air pressure
Contracting machine 4；The connection of the controller 3 control laminar flow plasma generator and arc voltage regulator.
The feeding device 3 includes that hopper, feeder channel and powder spheroidization device, the controller 2 control feeding device
Start, dusty material is entered after spheroidization device carries out spheroidization pretreatment by feeder channel and is sent to the layer by feeder channel again
Stream plasma generator is heated.
This is a kind of preferred embodiment of the present utility model.Operating personnel by human-computer interaction interface will can beat
Print instruction input system, CPU send job instruction according to instruction to controller 1, controller 2 and controller 3, control
Device processed 2 starts three-dimensional mechanical hand 6, feeding device 3, water circulating pump 5 and air compressor 4, and controller 3 starts laminar flow plasma and sends out
Raw device the intensity by controlling arc voltage regulator regulation beam-plasma, beam-plasma will be conveyed the powder for coming by feeding device 3
Material is heated and is printed under the drive of three-dimensional mechanical hand 6, and in printing, water circulating pump 5 is in each cooling circuit of equipment
Pump water lower the temperature, while according to print demand, controller 1 control start rotating driver drive print machine table on turntable 10 with
Coordinate print procedure；The powder spheroidization device of feeding device 3 can carry out preprocessing to printing consumables powder so that powder particle
Surface level off to spherical, better so during printing.
Embodiment 3
Such as Fig. 1 and Fig. 2, a kind of control system of laminar flow plasma 3D printing, including connecting the central authorities of human-computer interaction interface
Processing unit；The CPU is also associated with controller 1, controller 2 and controller 3；The connection control of the controller 1
Rotating driver and fixed block；The connection control three-dimensional mechanical hand 6, feeding device of the controller 2, water circulating pump 5 and air pressure
Contracting machine 4；The connection of the controller 3 control laminar flow plasma generator and arc voltage regulator.
The feeding device 3 includes that hopper, feeder channel and powder spheroidization device, the controller 2 control feeding device
Start, dusty material is entered after spheroidization device carries out spheroidization pretreatment by feeder channel and is sent to the layer by feeder channel again
Stream plasma generator is heated.
The rotating driver and three-dimensional mechanical hand 6 are provided with stop, and positional information is returned to by the stop
The CPU.
This is a kind of preferred embodiment of the present utility model.Operating personnel by human-computer interaction interface will can beat
Print instruction input system, CPU send job instruction according to instruction to controller 1, controller 2 and controller 3, control
Device processed 2 starts three-dimensional mechanical hand 6, feeding device 3, water circulating pump 5 and air compressor 4, and controller 3 starts laminar flow plasma and sends out
Raw device the intensity by controlling arc voltage regulator regulation beam-plasma, beam-plasma will be conveyed the powder for coming by feeding device 3
Material is heated and is printed under the drive of three-dimensional mechanical hand 6, and in printing, water circulating pump 5 is in each cooling circuit of equipment
Pump water lower the temperature, while according to print demand, controller 1 control start rotating driver drive print machine table on turntable 10 with
Coordinate print procedure；The powder spheroidization device of feeding device 3 can carry out preprocessing to printing consumables powder so that powder particle
Surface level off to spherical, better so during printing；The positional information of movable part is returned to institute by stop
CPU is stated, is contributed to system and is grasped printing conditions in time and according to field condition feedback and adjustment in time.
Embodiment 4
Such as Fig. 1 and Fig. 2, a kind of control system of laminar flow plasma 3D printing, including connecting the central authorities of human-computer interaction interface
Processing unit；The CPU is also associated with controller 1, controller 2 and controller 3；The connection control of the controller 1
Rotating driver and fixed block；The connection control three-dimensional mechanical hand 6, feeding device of the controller 2, water circulating pump 5 and air pressure
Contracting machine 4；The connection of the controller 3 control laminar flow plasma generator and arc voltage regulator.
The feeding device 3 includes that hopper, feeder channel and powder spheroidization device, the controller 2 control feeding device
Start, dusty material is entered after spheroidization device carries out spheroidization pretreatment by feeder channel and is sent to the layer by feeder channel again
Stream plasma generator is heated.
The rotating driver and three-dimensional mechanical hand 6 are provided with stop, and positional information is returned to by the stop
The CPU.
The laminar flow plasma generator front end is additionally provided with temperature detector, and the temperature detector is by laminar flow plasma
The beam-plasma temperature detection result that generator is produced passes the CPU back.
This is a kind of preferred embodiment of the present utility model.Operating personnel by human-computer interaction interface will can beat
Print instruction input system, CPU send job instruction according to instruction to controller 1, controller 2 and controller 3, control
Device processed 2 starts three-dimensional mechanical hand 6, feeding device 3, water circulating pump 5 and air compressor 4, and controller 3 starts laminar flow plasma and sends out
Raw device the intensity by controlling arc voltage regulator regulation beam-plasma, beam-plasma will be conveyed the powder for coming by feeding device 3
Material is heated and is printed under the drive of three-dimensional mechanical hand 6, and in printing, water circulating pump 5 is in each cooling circuit of equipment
Pump water lower the temperature, while according to print demand, controller 1 control start rotating driver drive print machine table on turntable 10 with
Coordinate print procedure；The powder spheroidization device of feeding device 3 can carry out preprocessing to printing consumables powder so that powder particle
Surface level off to spherical, better so during printing；The positional information of movable part is returned to institute by stop
CPU is stated, is contributed to system and is grasped printing conditions in time and according to field condition feedback and adjustment in time；Temperature is examined
Survey device pass the beam-plasma temperature detection result that laminar flow plasma generator is produced back the CPU, contribute to be
Temperature regime when grasping printing in time of uniting simultaneously is fed back and adjusts according to field condition in time.
Embodiment 5
Such as Fig. 1 and Fig. 2, a kind of control system of laminar flow plasma 3D printing, including connecting the central authorities of human-computer interaction interface
Processing unit；The CPU is also associated with controller 1, controller 2 and controller 3；The connection control of the controller 1
Rotating driver and fixed block；The connection control three-dimensional mechanical hand 6, feeding device of the controller 2, water circulating pump 5 and air pressure
Contracting machine 4；The connection of the controller 3 control laminar flow plasma generator and arc voltage regulator.
The feeding device 3 includes that hopper, feeder channel and powder spheroidization device, the controller 2 control feeding device
Start, dusty material is entered after spheroidization device carries out spheroidization pretreatment by feeder channel and is sent to the layer by feeder channel again
Stream plasma generator is heated.
The rotating driver and three-dimensional mechanical hand 6 are provided with stop, and positional information is returned to by the stop
The CPU.
The laminar flow plasma generator front end is additionally provided with temperature detector, and the temperature detector is by laminar flow plasma
The beam-plasma temperature detection result that generator is produced passes the CPU back.
The air compressor 4 is that the fixed block and feeding device provide compressed air.
This is a kind of preferred embodiment of the present utility model.Operating personnel by human-computer interaction interface will can beat
Print instruction input system, CPU send job instruction according to instruction to controller 1, controller 2 and controller 3, control
Device processed 2 starts three-dimensional mechanical hand 6, feeding device 3, water circulating pump 5 and air compressor 4, and controller 3 starts laminar flow plasma and sends out
Raw device the intensity by controlling arc voltage regulator regulation beam-plasma, beam-plasma will be conveyed the powder for coming by feeding device 3
Material is heated and is printed under the drive of three-dimensional mechanical hand 6, and in printing, water circulating pump 5 is in each cooling circuit of equipment
Pump water lower the temperature, while according to print demand, controller 1 control start rotating driver drive print machine table on turntable 10 with
Coordinate print procedure；The powder spheroidization device of feeding device 3 can carry out preprocessing to printing consumables powder so that powder particle
Surface level off to spherical, better so during printing；The positional information of movable part is returned to institute by stop
CPU is stated, is contributed to system and is grasped printing conditions in time and according to field condition feedback and adjustment in time；Temperature is examined
Survey device pass the beam-plasma temperature detection result that laminar flow plasma generator is produced back the CPU, contribute to be
Temperature regime when grasping printing in time of uniting simultaneously is fed back and adjusts according to field condition in time；Air compressor 4 is carried for fixed block
For compressed air, when turntable 10 does and rotates, fixed block 11 can clamp printout to avoid displacement.
Embodiment 6
Such as Fig. 1 and Fig. 2, a kind of control system of laminar flow plasma 3D printing, including connecting the central authorities of human-computer interaction interface
Processing unit；The CPU is also associated with controller 1, controller 2 and controller 3；The connection control of the controller 1
Rotating driver and fixed block；The connection control three-dimensional mechanical hand 6, feeding device of the controller 2, water circulating pump 5 and air pressure
Contracting machine 4；The connection of the controller 3 control laminar flow plasma generator and arc voltage regulator.
The feeding device 3 includes that hopper, feeder channel and powder spheroidization device, the controller 2 control feeding device
Start, dusty material is entered after spheroidization device carries out spheroidization pretreatment by feeder channel and is sent to the layer by feeder channel again
Stream plasma generator is heated.
The rotating driver and three-dimensional mechanical hand 6 are provided with stop, and positional information is returned to by the stop
The CPU.
The laminar flow plasma generator front end is additionally provided with temperature detector, and the temperature detector is by laminar flow plasma
The beam-plasma temperature detection result that generator is produced passes the CPU back.
The air compressor 4 is that the fixed block and feeding device provide compressed air.
This is a kind of preferred embodiment of the present utility model.Operating personnel by human-computer interaction interface will can beat
Print instruction input system, CPU send job instruction according to instruction to controller 1, controller 2 and controller 3, control
Device processed 2 starts three-dimensional mechanical hand 6, feeding device 3, water circulating pump 5 and air compressor 4, and controller 3 starts laminar flow plasma and sends out
Raw device the intensity by controlling arc voltage regulator regulation beam-plasma, beam-plasma will be conveyed the powder for coming by feeding device 3
Material is heated and is printed under the drive of three-dimensional mechanical hand 6, and in printing, water circulating pump 5 is in each cooling circuit of equipment
Pump water lower the temperature, while according to print demand, controller 1 control start rotating driver drive print machine table on turntable 10 with
Coordinate print procedure；The powder spheroidization device of feeding device 3 can carry out preprocessing to printing consumables powder so that powder particle
Surface level off to spherical, better so during printing；The positional information of movable part is returned to institute by stop
CPU is stated, is contributed to system and is grasped printing conditions in time and according to field condition feedback and adjustment in time；Temperature is examined
Survey device pass the beam-plasma temperature detection result that laminar flow plasma generator is produced back the CPU, contribute to be
Temperature regime when grasping printing in time of uniting simultaneously is fed back and adjusts according to field condition in time；Air compressor 4 is carried for fixed block
For compressed air, when turntable 10 does and rotates, fixed block 11 can clamp printout to avoid displacement；The master of PLC processor
Stand and from the control mode that standing posture layout is more maturation in modern automation industry, realize many functions, high precision, controllability
Good；The main website of PLC processor and be more ripe control mode in modern automation industry from standing posture layout, realizes function
Many, high precision, controllability are good.
Embodiment 7
Such as Fig. 2, a kind of 3D printing equipment based on laminar flow plasma technology, including Photocopy Room 1 and central controller 2, go back
Including the feeding device 3 with powder spheroidization device, air compressor 4 and water pump 5；It is provided with to carry in the Photocopy Room 1 and beats
The three-dimensional mechanical hand 6 of print 7；Laminar flow plasma process device is provided with the printhead 7；The laminar flow plasma process dress
Put and be flexibly connected by charging line 8 with feed dress；The air compressor 4 and water pump 5 respectively by pneumatic circuit and
Cooling circuit is connected with the laminar flow plasma process device；The Photocopy Room 1 also includes a 3D printing machine table 9, described
The turntable 10 with fixed block 11 is provided with 3D printing machine table.
The laminar flow plasma process device includes control unit, laminar flow plasma generator, arc voltage regulator, water-cooled dress
Put and gun body；The laminar flow plasma generator and arc voltage adjust high device and are arranged in the gun body；The water cooling plant is arranged
Connect on the wall of the gun body and with the cooling circuit；Described control unit key-course stream plasma generator produces laminar flow
Beam-plasma, adjusts laminar flow beam-plasma by arc voltage regulator and sprays heating beating from feeding device supply from gun body
Printed material material.
The pneumatic circuit and cooling circuit are arranged and pass through Photocopy Room 1 with vapour source and water along the side wall of the Photocopy Room 1
Source connects.
The laminar flow plasma generator, using axis cylindrical anode structure, and along the uniform cloth of anode posts peripheral circular
Put the negative electrode of 3 or more than 3, anode and negative electrode are installed on same base fixed, mutually insulated, base have water, electricity,
Gas passage, the outer surface opposing insulation of cylindrical anode, only in the exposed conduction of the close head for exporting, so as to shape between negative electrode
Into electric field, whole generator is the tubular profile of a sealing water-cooled, and there is plasma exit nozzle one end, and nozzle is to electric arc etc.
Gas ions carry out mechanical compress.
This is a kind of preferred embodiment of the present utility model.Three-dimensional mechanical hand 6 be in modernization industry commonly use from
Dynamicization equipment, technology maturation flexibility ratio are high, and there is goodish machining accuracy, drive the printhead 7 can with three-dimensional mechanical hand 6
To realize the printing demand of Multi-orientation multi-angle, using laminar flow plasma generator as thermal source, power-efficient is high and works steady
Fixed, arc voltage fluctuation no more than 0.5, current fluctuation, up to more than 200 hours, under air, arc length was more than continuous working life
In 1000mm, vacuum, arc length is more than 400mm more than 3000mm, electric arc end arc footpath, while its work noise is low, it is 30～50 points
Shellfish；During work, the maximum equivalent temperature on laminar flow plasma beam injection material surface is 61700 DEG C, can melt metallic particles diameter
It is not less than 4mm, with extremely strong applicability, uses laminar flow plasma as thermal source is printed, overcome traditional turbulent plasma
Beam low precision, air are involved in the shortcoming of many, thermograde difference, and long arc, high temperature, efficient, digital controllable are suitable to high-accuracy, intelligence
Figuration manufacture；Secondly, the ionization property that beam-plasma itself has so that energy can be deep into metal inside, while not
Surface reflection is produced, the thermal efficiency is very high, far superior to laser；Again, intense radiation is not produced, and environmental performance is much better than electron beam.
And on cost, laminar flow arc-plasma beam thermal source is as auxiliary device is few, simple structure, low energy consumption, then more cheap；Print
The powder spheroidization device for first passing through feeding device 3 before material flows is pre-processed, and is improved stock utilization and is printed as quality
Amount；Turntable 10 timely adjustment angle can coordinate the action of three-dimensional mechanical hand 6 in printing；Laminar flow plasma process device leads to
Crossing arc voltage regulator and the isoionic output of laminar flow being adjusted to adapt to different printed materials and print require, laminar flow plasma adds
The water cooling plant arranged in the gun body that frock is put can be that gun body is lowered the temperature in printing in time, it is to avoid answer laminar flow etc. caused by high temperature
Ion processing unit (plant) equipment fault；Pneumatic circuit and cooling circuit arrange along the side wall of Photocopy Room and can avoid affecting printing device
Action track, design are also relatively cleaner and tidier；Laminar flow plasma generator is using axis cylindrical anode structure, design original creation, and is adopted
Axial anode can be hollow tubular, can send into various powders to the plasma beam center of high temperature by hollow pipe
Or filamentary material, for spraying, the application such as built-up welding；Using the moon for being evenly arranged 3 or more than 3 around anode rod along annular
Pole structure so that the electric current of single negative electrode is substantially reduced, arc-plasma stability are high, and can form high arc voltage small current layer
Long beam plasma arc is flowed, cathode life is long, and the general power of system is big, operating efficiency stability and high efficiency.
Claims (6)
1. a kind of control system of laminar flow plasma 3D printing, it is characterised in that：Including connecting the centre of human-computer interaction interface
Reason unit；The CPU is also associated with controller 1, controller 2 and controller 3；The connection control rotation of the controller 1
Turn driver and fixed block；The connection control three-dimensional mechanical hand of the controller 2（6）, feeding device, water circulating pump（5）And air
Compressor（4）；The connection of the controller 3 control laminar flow plasma generator and arc voltage regulator.
2. a kind of control system of laminar flow plasma 3D printing as claimed in claim 1, it is characterised in that：The feeding device
（3）Including hopper, feeder channel and powder spheroidization device, the control feeding device of the controller 2 starts, and dusty material is by supplying
Material passage entrance spheroidization device is sent to the laminar flow plasma generator by feeder channel again after carrying out spheroidization pretreatment and carries out
Heating.
3. a kind of control system of laminar flow plasma 3D printing as claimed in claim 1, it is characterised in that：The rotation driving
Device and three-dimensional mechanical hand（6）Stop is provided with, positional information is returned to the CPU by the stop.
4. a kind of control system of laminar flow plasma 3D printing as claimed in claim 1, it is characterised in that：Described laminar flow etc. from
Electronic generator front end is additionally provided with temperature detector, the beam-plasma that laminar flow plasma generator is produced by the temperature detector
Temperature detection result passes the CPU back.
5. a kind of control system of laminar flow plasma 3D printing as claimed in claim 1, it is characterised in that：The air compression
Machine（4）It is that the fixed block and feeding device provide compressed air.
6. a kind of control system of laminar flow plasma 3D printing as claimed in claim 1, it is characterised in that：The controller 1,
Controller 2 and controller 3 are PLC processors, and according to main website and the layout from standing posture, the controller 1, controller 2 and control
Device processed 3 is PLC from station processor, and master station processor is arranged in the central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620988121.6U CN206009837U (en) | 2016-08-31 | 2016-08-31 | A kind of control system of laminar flow plasma 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106180715A (en) * | 2016-08-31 | 2016-12-07 | 成都真火科技有限公司 | The control system of a kind of laminar flow plasma 3D printing and method |
| CN106180715B (en) * | 2016-08-31 | 2018-08-21 | 成都真火科技有限公司 | A kind of control system and method for the 3D printing of laminar flow plasma |
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