CN105922570B - A kind of constituency plasma fusing rapid forming equipment and quick molding method - Google Patents

A kind of constituency plasma fusing rapid forming equipment and quick molding method Download PDF

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Publication number
CN105922570B
CN105922570B CN201510788765.0A CN201510788765A CN105922570B CN 105922570 B CN105922570 B CN 105922570B CN 201510788765 A CN201510788765 A CN 201510788765A CN 105922570 B CN105922570 B CN 105922570B
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plasma
printing
print
workpiece
processing
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CN105922570A (en
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华云峰
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BICHENG (BEIJING) TECHNOLOGY CO., LTD.
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Sinoadditive Manufacturing Equipment Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F10/00Additive manufacturing of workpieces or articles from metallic powder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F10/00Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20Direct sintering or melting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/001Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Abstract

The invention discloses a kind of constituency plasma fusing rapid forming equipments and quick molding method, the equipment to be made of monitoring system, plasma beam system of processing, horizontal stamp pad and powder sending and laying device;Plasma beam system of processing includes multiple plasma beam processing unit (plant)s;Each plasma beam processing unit (plant) is made of plasma generator, print position adjusting apparatus and feeder;Monitoring system includes multiple plasma beams and processes monitoring device;Each plasma beam processing monitoring device includes temperature detecting unit, moves horizontally controller, distance detection unit and printing apart from adjusting control device;The method comprising the steps of:First, workpiece three-dimensional stereo model to be formed obtains and hierarchy slicing is handled;2nd, scan path is filled;3rd, printing path obtains;4th, it successively prints from the bottom to top.Reasonable design of the present invention, easy to operate and shaping efficiency is high, using effect is good, does not need to protective atmosphere or vacuum environment, is directly carried out under atmospheric environment.

Description

A kind of constituency plasma fusing rapid forming equipment and quick molding method
Technical field
The invention belongs to rapid shaping technique field, more particularly, to a kind of constituency plasma melt rapid forming equipment and Quick molding method.
Background technology
At present, there is precinct laser fusion rapid molding technology (Selective in domestic and international metal parts rapid shaping technique Laser melting, SLM).Such as United States Patent (USP) " the PROCESS AND DEVICE FOR of Patent No. US7047098 PRODUCING A SHAPED BODY BY SELECTIVE LASER MELTING " are described in detail a kind of using 3-dimensional digital The precinct laser fusion manufacturing process and its equipment of model manufacturing densification part.The Chinese invention of Publication No. CN1603031A is special Sharp " a kind of Metal Part by Selective Laser Melting quick molding method and its device " discloses a kind of metal parts precinct laser and melts Change quick molding method and its device.The device includes semiconductor pumped YAG laser or optical fiber laser, light beam focus on system System, molded part cylinder and powder cylinder, semiconductor pumped YAG laser or optical fiber laser are connected with light beam focusing system, and gather Coke scanning is in molded part cylinder, and molded part cylinder is connected by powdering roller with powder cylinder, and powdering roller is connected with driving motor, drives Dynamic motor is connected with computer.
In order to prepare larger size part and improve rapid shaping efficiency, mobile galvanometer scheme or laser array are taken With optical system array approaches.Chinese invention patent " the mobile galvanometer selective laser melting of Publication No. CN103071795A SLM formers " disclose a kind of mobile galvanometer selective laser melting SLM formers.The equipment includes passing through communication line The digital control system that road is connected with the X-axis linear motor with cross slide way group with the Y-axis linear motor of longitudinal rail group, X-axis Linear motor and Y-axis linear motor constitute turntable driving structure, which drives with laser bundle-enlarging collimation microscope group Connection, laser bundle-enlarging collimation microscope group bottom is caught in galvanometer unit, forming work package is provided with below galvanometer unit, shaping Inert gas gas curtain is provided between work package and galvanometer unit.The Chinese invention patent of Publication No. CN 102266942A " the directly precinct laser fusion rapid molding equipment of manufacture heavy parts " disclose a kind of direct manufacture large compact part Precinct laser fusion rapid molding equipment.The equipment mainly includes laser array, optical system array, moulding cylinder, moulding cylinder It is three-dimensional heat stepwise insulation construction, moulding cylinder weight balancing system, substrate levelling device, double recovery tanks, double storage powder casees, double fixed Measure powder feeding and powder discharging device, power spreading device, protective atmosphere cover, gas purge system, control system.The optical system taken by Multiple optical system units, Mechanical Moving platform construction, can be with arbitrary extension or the coverage area of reduction optical system.
The basic functional principle of precinct laser fusion rapid molding equipment is:First on computers using Pro/e, UG, The 3D sculpting softwares such as CATIA design the three-dimensional entity model of part, and then the threedimensional model is carried out by Slice Software Slicing delamination obtains the outline data in each section, and filling scan path is generated by outline data, tiles in working cylinder certain thick The powder of degree, according to the control of computer, laser beam is at the slice by way of vibration mirror scanning according to three-dimensional parts figure Reason result selectively melts fore-put powder layer.Subsequent working cylinder declines certain distance and again powdering, and laser beam is in galvanometer The manufacture of lower layer of parts is completed under drive again according to the 3-D graphic of parts.So repeat powdering, scanning and work The processes such as cylinder decline, so as to fulfill the manufacture of three-dimensional parts.
At present, precinct laser fusion rapid molding technology is primarily present following four aspects problem:
Firstth, precinct laser fusion rapid molding technology needs protective atmosphere or vacuum environment, to avoid in forming process The oxidation of metal parts.This makes precinct laser fusion rapid molding device structure complicated, and forming part size is restricted.
Secondth, laser spot diameter is small, power is low, and molding heavy parts efficiency is low.
Third, in order to ensure part mechanical property, precinct laser fusion rapid molding technology needs the spherical shape of good fluidity Metal powder.This makes the material cost of precinct laser fusion rapid molding technology very high.
4th, laser is the core element of precinct laser fusion rapid molding equipment.Laser price it is high and safeguard into This height.This makes the equipment cost of precinct laser fusion rapid molding technology very high.
Invention content
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that provide a kind of constituency etc. from Sub- fusion rapid molding equipment, simple in structure, reasonable design and it is easy to use, shaping efficiency is high, using effect is good, nothing Closed molding room is needed, and does not need to protective atmosphere or vacuum environment, workpiece shaping process directly carries out under atmospheric environment.
In order to solve the above technical problems, the technical solution adopted by the present invention is:A kind of constituency plasma fusion rapid molding Equipment, it is characterised in that:It places and can move up and down by monitoring system, plasma beam system of processing, for workpiece to be formed Horizontal stamp pad and the powder sending and laying device composition on horizontal stamp pad;
The plasma beam system of processing includes multiple plasma beam processing unit (plant)s, and multiple plasma beams add The structure all same that tooling is put;
Plasma of each plasma beam processing unit (plant) by nozzle is equipped with and for generating beam-plasma It generator, the print position adjusting apparatus being adjusted to the position of the plasma generator and is sent out for the plasma Raw device provides the feeder composition of working gas, and the plasma generator is located above horizontal stamp pad;The gas supply Device is connect by air supply pipe with the air inlet opened on the plasma generator;The print position adjusting apparatus includes The plasma generator is driven to carry out mobile horizontally moving device in the horizontal plane and the plasma is driven to occur Device is with the horizontally moving device synchronizing moving and mutually should be to the progress of the distance between the outlet of the nozzle and horizontal stamp pad The printing distance adjusting means of adjusting, the plasma generator are mounted on the horizontally moving device, and the horizontal shifting Dynamic device is mounted in the printing distance adjusting means;
The powder sending and laying device includes being located at the power spreading device that can be moved left and right above horizontal stamp pad and in the horizontal plane With the dust feeder for power spreading device powder feeding, the dust feeder and power spreading device are installed on horizontal stamp pad;
The monitoring system includes multiple plasma beams being monitored respectively to the plasma beam processing unit (plant) Process monitoring device, the quantity of plasma beam processing monitoring device with it is included in the plasma beam system of processing The quantity of plasma beam processing unit (plant) is identical, multiple plasma beams processing monitoring devices respectively with multiple grades from Sub- beam current machining device connection;The structure all same of the plasma beam processing monitoring device;
Each plasma beam processing monitoring device includes treating into monitored plasma beam processing unit (plant) Temperature is detected in real time at print position on type workpiece temperature detecting unit controls the horizontally moving device Move horizontally controller, the distance detection detected in real time to outlet and the distance between horizontal stamp pad of the nozzle Unit and to the printing that is controlled of printing distance adjusting means apart from adjusting control device, the distance detection unit and beat Print is connected apart from adjusting control device, and the controller that moves horizontally is connect with the horizontally moving device, and the printing distance is adjusted Section controller is connect with the printing distance adjusting means;The temperature detecting unit with printing connect apart from adjusting control device and The two forms the temperature control device for monitoring plasma beam processing unit (plant).
A kind of above-mentioned constituency plasma fusing rapid forming equipment, it is characterized in that:What the plasma generator generated Angle between the central axis and vertical plane of beam-plasma is not more than 45 °;The printing distance adjusting means are along described etc. The adjusting apparatus up and down that the central axis of ion beam to the nozzle adjust up and down, the distance detection unit is to along institute The central axis of beam-plasma is stated from the distance for exporting to the distance between horizontal stamp pad and being detected in real time of the nozzle Detection device;
The horizontal stamp pad is the mobile platform that on stamp pad position regulator and can be moved up and down;
The monitoring system further includes the position controlled the stamp pad position regulator and adjusts controller, institute Rheme is put adjustment controller and is connect with the stamp pad position regulator.
A kind of above-mentioned constituency plasma fusing rapid forming equipment, it is characterized in that:The plasma generator include etc. Ion gun, the nozzle are the anode nozzle of plasma gun front end;The plasma gun include be provided with the air inlet gun body, Anode nozzle and the cathode being plugged in gun body immediately ahead of gun body, the anode nozzle is located on front side of cathode, described to put Electric room is located on front side of cathode and it is located at the posterior medial of anode nozzle, and the front inner of the anode nozzle is spout;It is described Anode nozzle, cathode and arc chamber are laid with gun body in coaxial;The air inlet is located on rear side of gun body, the spout and gun body It it is 30 °~45 ° in coaxial laying or the angle between gun body central axis.
A kind of above-mentioned constituency plasma fusing rapid forming equipment, it is characterized in that:The powder sending and laying device further includes collection powder Device, the dust feeder are fixedly mounted on the side of horizontal stamp pad, and the powder collection device is fixedly mounted on horizontal stamp pad Opposite side, the dust feeder and powder collection device are located in same level;The power spreading device is located above dust feeder;
The dust feeder includes the shell for being provided with feed inlet and powder feeding mouth and the powder feeding wheel in the shell, institute Powder feeding wheel is stated to be driven by driving motor;
Each plasma beam processing monitoring device further includes what the plasma generator was controlled Plasma generator controller, the detection of gas flow rate unit detected in real time to the gas flow of air supply pipe, on air supply pipe Gas flow controller that the flow control valve of installation is controlled, the thickness detected in real time to the powdering thickness of power spreading device Degree detection unit and the powdering gage controller that is controlled driving motor, the plasma generator controller and the grade from Daughter generator connects, and the detection of gas flow rate unit is connect with gas flow controller;The Thickness sensitivity unit and paving Powder gage controller connects.
A kind of above-mentioned constituency plasma fusing rapid forming equipment, it is characterized in that:The horizontal stamp pad includes top and the bottom The moulding cylinder being open and the horizontal table that can be moved up and down in moulding cylinder, the moulding cylinder are included by being laid in horizontal work Make the polylith side shield on the outside of platform surrounding to surround;The distance between the outlet of the nozzle and horizontal stamp pad are the nozzle The distance between outlet and horizontal table upper surface.
A kind of above-mentioned constituency plasma fusing rapid forming equipment, it is characterized in that:The quantity of the horizontal stamp pad is more A, multiple horizontal stamp pads are respectively respectively positioned on same level for the print platform and its of multiple workpiece printings to be formed On;Each horizontal stamp pad bottom is mounted on electric walking mechanism, multiple print platforms be respectively positioned on the grade from The printing being located at below beamlet stream system of processing, and in multiple print platforms immediately below the plasma beam system of processing Platform is platform to be controlled;
The quantity of the powder sending and laying device is identical with the quantity of horizontal stamp pad for multiple and its quantity, each level The powder sending and laying device there are one being respectively mounted on stamp pad;
The monitoring system further includes the walking being respectively controlled to the electric walking mechanism of multiple print platforms Controller and multiple walking position detection units detected in real time to the walking position of multiple print platforms respectively, institute Rheme puts adjustment controller and the stamp pad position regulator of multiple print platforms is respectively controlled;Multiple institutes The electric walking mechanism and multiple walking position detection units for stating print platform are connect with traveling controller, multiple described The stamp pad position regulator of print platform is connect with position adjustment controller.
Meanwhile invention additionally discloses the constituencies that a kind of method and step is simple, reasonable design and realization convenience, using effect are good Plasma fusion rapid molding method, it is characterised in that:This method includes the following steps:
Step 1: workpiece three-dimensional stereo model to be formed obtains and hierarchy slicing processing:Using data processing equipment and tune The three-dimensional stereo model of workpiece to be formed is obtained with image processing module, recalls hierarchy slicing module treats shaping workpiece three It ties up three-dimensional model and carries out hierarchy slicing, and obtain multiple layering cross-sectional images;
It is multiple it is described layering cross-sectional images be treat shaping workpiece three-dimensional stereo model carry out hierarchy slicing after obtain it is more The image in a layering section, multiple layering sections are uniformly distributed from the bottom to top;Each described point of the workpiece to be formed Layer cross section is divided into multiple print zones printed respectively by multiple plasma beam processing unit (plant)s;
Step 2: scan path is filled:Using data processing equipment and described image processing module is called, in step 1 Multiple layering cross-sectional images are respectively processed, and complete the scan path filling process in multiple layering sections, are obtained Obtain the scan paths in multiple layering sections;
The scan path in each layering section includes the scanning road of multiple print zones on the layering section Diameter;
Step 3: printing path obtains:The data processing equipment is cut according to the multiple layerings obtained in step 2 The scan path in face obtains the printing path in multiple layering sections;The printing path in each layering section with this The scan path for being layered section is identical, and the printing path in each layering section includes multiple institutes on the layering section State the printing path of print zone;
Step 4: it successively prints from the bottom to top:According to obtained in step 3 it is multiple it is described layering sections printing paths, Shaping workpiece is successively treated from the bottom to top to be printed, and obtains the finished workpart stacked from the bottom to top by multiple shape layers; The quantity of the shape layer is identical with the quantity that section is layered described in step 1, the installation position difference of multiple shape layers With it is multiple it is described layering sections installation positions correspond and its thickness all same, the thickness of the shape layer with it is two neighboring Layering the distance between the section is identical, in step 3 the printing path in multiple layering sections be respectively it is multiple it is described into The printing path of type layer;When treating shaping workpiece and being printed, process is as follows:
Step 401, bottom printing:According to the printing path of current institute's printing shaping layer acquired in step 3, use Current institute's printing shaping layer that the plasma beam system of processing treats shaping workpiece is printed;Using the beam-plasma When stream system of processing prints current institute's printing shaping layer, synchronized using multiple plasma beam processing unit (plant)s to working as Multiple print zones of preceding institute's printing shaping layer are printed respectively;
The Method of printing all same of multiple plasma beam processing unit (plant)s;
Using plasma beam processing unit (plant) any one described to a print zone of current institute's printing shaping layer into During row printing, the controller that moves horizontally of the plasma beam processing unit (plant) is currently printed as according to acquired in step 3 The printing path of the print zone in type layer controls the horizontally moving device and the plasma generator is driven to exist It is moved on horizontal plane;In the plasma generator moving process, which passes through described etc. Ion beam carries out continuous scanning to spreading printed material on horizontal stamp pad, completes the print procedure of current institute's printing shaping layer;
In this step, current institute's printing shaping layer is the shape layer for being located at bottommost in multiple shape layers;
Step 402, last layer printing, include the following steps:
Step 4021, horizontal stamp pad move down:Horizontal stamp pad is once moved down in the vertical direction and to It is identical with the thickness of the shape layer to move down dynamic height;
Step 4022, printing and synchronous temperature control:According to the print path of current institute's printing shaping layer acquired in step 3 Diameter, current institute's printing shaping layer that shaping workpiece is treated using the plasma beam system of processing are printed;Using described When plasma beam system of processing prints current institute's printing shaping layer, using multiple plasma beam processing unit (plant)s It synchronizes and multiple print zones of current institute's printing shaping layer is printed respectively;
The Method of printing all same of multiple plasma beam processing unit (plant)s;
Using plasma beam processing unit (plant) any one described to a print zone of current institute's printing shaping layer into During row printing, the controller that moves horizontally of the plasma beam processing unit (plant) is currently printed as according to acquired in step 3 The printing path of the print zone in type layer controls the horizontally moving device and the plasma generator is driven to exist It is moved on horizontal plane;In the plasma generator moving process, which passes through described etc. Ion beam carries out continuous scanning to spreading printed material on currently printed next shape layer upper surface, completes to work as The print procedure of preceding institute's printing shaping layer;In print procedure, by temperature detecting unit to currently printed next institute The upper surface temperature for stating the plasma beam processing unit (plant) institute print area in shape layer carries out detecting and detecting temperature in real time Degree synchronizing information is sent to printing apart from adjusting control device;Also, it is detected by the distance of the plasma beam processing unit (plant) single Member detects the distance between the outlet of the nozzle and horizontal stamp pad in real time, and the range information detected is synchronized Printing is sent to apart from adjusting control device;The printing is believed apart from adjusting control device according to the temperature that temperature detecting unit is detected Breath and by the way that the printing distance adjusting means is controlled to adjust the distance between the outlet of the nozzle and horizontal stamp pad Section makes the upper surface temperature of the plasma beam processing unit (plant) institute print area in current printed next shape layer Degree is not higher than 0.6 times of the material fusing point of workpiece to be formed;
Step 402 is repeated several times in step 403, until completing the print procedure of all shape layers of workpiece to be formed.
The above method, it is characterized in that:Before successively being printed from the bottom to top in step 4, data processing described in step 1 is set It is standby first according to the material fusing point and printing range data library pre-established, and combine pre-entered by parameter input unit it is each The Material Name of the printed material of plasma beam processing unit (plant), to each plasma beam processing unit (plant) basis printing distance into Row determines;The parameter input unit connects with the data processing equipment;
The material fusing point of various material and printing range information are stored in the material fusing point and printing range data library, The material fusing point and printing range information of each material include title, fusing point and the basis printing distance of this kind of material; The basis printing distance is 5mm~1000mm, and material fusing point is higher, and basis printing distance is nearer;
Using any one described plasma beam processing unit (plant) to described in one of current institute's printing shaping layer in step 401 Before print zone is printed, the printing of the plasma beam processing unit (plant) is apart from adjusting control device according to distance detection unit institute The range information of detection and by control it is described printing distance adjusting means will be between the outlet of the nozzle and horizontal stamp pad Distance be adjusted to it is described basis printing distance;Also, using the plasma beam processing unit (plant) printed in step 401 Cheng Zhong, the distance between the outlet of the nozzle and horizontal stamp pad print distance for the basis;
Using any one described plasma beam processing unit (plant) to an institute of current institute's printing shaping layer in step 4022 It states before print zone printed, the printing of the plasma beam processing unit (plant) is apart from adjusting control device according to distance detection unit The range information and the number that moves down of the horizontal stamp pad of combination detected moves down height, and by controlling with each State printing distance adjusting means by the upper surface of the outlet of the nozzle and current printed next shape layer it Between distance be adjusted to it is described basis printing distance;Print procedure is carried out using the plasma beam processing unit (plant) in step 4022 In, when the distance between outlet and horizontal stamp pad to the nozzle are adjusted, the printing is apart from adjusting control device root The temperature information that is detected according to temperature detecting unit and with reference to the range information that distance detection unit is detected to the nozzle The distance between outlet and horizontal stamp pad are adjusted, and make the plasma in current printed next shape layer The upper surface temperature control of beam current machining device institute print area is melted in the material of the plasma beam processing unit (plant) printed material Between 0.1 times~0.6 times of point;Also, when the distance between outlet and horizontal stamp pad to the nozzle are adjusted, adjust Section amplitude is 5mm~60mm, and material fusing point is higher, and the amplitude of accommodation is smaller.
The above method, it is characterized in that:The quantity of the horizontal stamp pad is multiple, and multiple horizontal stamp pads are respectively It is respectively positioned in same level for the print platform and its of multiple workpiece printings to be formed;Each horizontal stamp pad bottom is equal Electric walking mechanism is installed, multiple print platforms are respectively positioned below the plasma beam system of processing, and multiple institutes It is platform to be controlled to state the print platform being located in print platform immediately below the plasma beam system of processing;
The monitoring system further includes the walking being respectively controlled to the electric walking mechanism of multiple print platforms Controller and multiple walking position detection units detected in real time to the walking position of multiple print platforms respectively, institute Rheme puts adjustment controller and the stamp pad position regulator of multiple print platforms is respectively controlled;Multiple institutes The electric walking mechanism and multiple walking position detection units for stating print platform are connect with traveling controller, multiple described The stamp pad position regulator of print platform is connect with position adjustment controller;
Workpiece three-dimensional stereo model to be formed is carried out in step 1 to obtain and when hierarchy slicing handles, and described is treated into multiple Type workpiece carries out three-dimensional stereo model acquisition and hierarchy slicing processing respectively;Wherein, workpiece to be formed any one described is carried out When three-dimensional stereo model obtains and hierarchy slicing handles, obtain this using data processing equipment and calling image processing module and treat The three-dimensional stereo model of shaping workpiece recalls hierarchy slicing module and the three-dimensional stereo model of the workpiece to be formed is layered Slice, and obtain multiple layering cross-sectional images of the workpiece to be formed;
The height all same of multiple workpiece to be formed;The three-dimensional stereo model of multiple workpiece to be formed is layered During slice, lift height all same and the quantity all same for obtaining layering cross-sectional image;
When path filling is scanned in step 2, multiple workpiece to be formed are scanned respectively at the filling of path Reason;Wherein, when path filling processing is scanned to workpiece to be formed any one described, using the data processing equipment and Call described image processing module, to multiple layering cross-sectional images of the workpiece to be formed that is obtained in step 1 respectively into Row processing, and the scan path filling process in multiple layering sections is completed, obtain the scanning road in multiple layering sections Diameter;
When printing path acquisition is carried out in step 3, obtained respectively using the data processing equipment multiple described to be formed The printing path of workpiece;Wherein, when obtaining the printing path of any one workpiece to be formed, the equal root of data processing equipment According to the scan path in multiple layering sections of the workpiece to be formed obtained in step 2, the more of the workpiece to be formed are obtained The printing path in a layering section, and scan path of the printing path in each layering section with the layering section It is identical;
When successively being printed from the bottom to top in step 4, multiple workpiece to be formed are synchronized carry out from the bottom to top by Layer printing;
In step 401 carry out bottom printing when and step 402 in carry out last layer printing printing when, using the grade from Beamlet stream system of processing is printed respectively by elder generation to rear current institute's printing shaping layer to multiple workpiece to be formed;It treats more After the completion of current institute's printing shaping layer of a workpiece to be formed prints, then upper one to multiple workpiece to be formed Shape layer is printed respectively;
Wherein, using the plasma beam system of processing to current institute's printing shaping of workpiece to be formed any one described When layer is printed, first pass through traveling controller and the electric walking mechanism of multiple print platforms is respectively controlled, it will The underface of the plasma beam system of processing is moved to for the print platform that the workpiece to be formed prints;At this point, it is located at The print platform immediately below the plasma beam system of processing is platform to be controlled;And then use the plasma Line system of processing prints current institute's printing shaping layer of the workpiece to be formed.
The above method, it is characterized in that:The dust feeder includes being provided with the shell of feed inlet and powder feeding mouth and mounted on institute The powder feeding wheel in shell is stated, the powder feeding wheel is driven by driving motor;
Each plasma beam processing monitoring device further includes what the plasma generator was controlled Plasma generator controller, the detection of gas flow rate unit detected in real time to the gas flow of air supply pipe, on air supply pipe Gas flow controller that the flow control valve of installation is controlled, the thickness detected in real time to the powdering thickness of power spreading device Degree detection unit and the powdering gage controller controlled driving motor, the Thickness sensitivity unit and powdering thickness control Device connects, and the plasma generator controller is connect with the plasma generator, the detection of gas flow rate unit and gas Body flow controller connects;The distance detection unit is connect with gas flow controller;
Before successively being printed from the bottom to top in step 4, the first basis of data processing equipment described in step 1 pre-establishes Gas flow data library, and with reference to the thickness of the preset shape layer, the base gas flow of air supply pipe is carried out true It is fixed;
Base gas flow of the gas flow data library memory storage needed for there are many shape layer of different thickness;It is described Base gas flow is 5ml/min~500ml/min, and the thickness of the shape layer is thicker, and the base gas flow is bigger;
Before any of step 401 plasma beam processing unit (plant) is printed, the gas flow controller According to detection of gas flow rate unit institute's detection information and by controlling flow control valve that the gas flow of air supply pipe is adjusted to institute State base gas flow;In any of step 401 plasma beam processing unit (plant) print procedure, the gas of the air supply pipe Body flow is the base gas flow;
Any of step 4022 plasma beam processing unit (plant) is printed and is synchronized in temperature control process, the gas Body flow controller is according to detection of gas flow rate unit institute's detection information and combines distance detection unit institute detecting distance information, and By the way that flow control valve is controlled to be increased and decreased adjustment to the gas flow of air supply pipe;Also, the outlet of the nozzle is beaten with horizontal The distance between ink pad is bigger, and the gas flow of the air supply pipe is bigger.
Compared with the prior art, the present invention has the following advantages:
1st, used constituency plasma fusing rapid forming equipment is simple in structure, reasonable design and input cost are relatively low, It is convenient that processing and fabricating and installation are laid.
2nd, used constituency plasma fusing rapid forming equipment is without closed molding room, and does not need to protective atmosphere Or vacuum environment, workpiece shaping process directly carry out under atmospheric environment.Thus, structure is very simple, and forming part ruler Very little unrestricted, equipment price is relatively low.
3rd, the moulding cylinder system for not needing to powdering does not need to powdering system, and structure significantly simplifies.
4th, used constituency plasma melts rapid forming equipment easy to use, intelligence degree and shaping efficiency Height, using effect are good, and the quality of institute's shaping workpiece is high.Used monitoring system includes carrying out stamp pad position regulator The position adjustment controller of control treats temperature detecting unit that shaping workpiece upper surface temperature detected in real time, to nozzle The distance detection unit that is detected in real time with the distance between horizontal stamp pad of outlet and to print distance adjusting means into The printing of row control is connect apart from adjusting control device, position adjustment controller with stamp pad position regulator, and printing distance is adjusted Section controller is connect with printing distance adjusting means, and temperature detecting unit and distance detection unit are with printing apart from adjusting control Device connects;Temperature detecting unit forms temperature control device with printing apart from adjusting control device.In actual use, temperature tune Printing in control system carries out printing distance adjusting means according to temperature detecting unit institute's detection information apart from adjusting control device Control so that printing distance energy automatic adjusument can prevent from having printed in this way the molding of completion caused by printing hypotelorism There is the problem of fusing again in layer, and can also prevent because formed precision is relatively low caused by printing hypertelorism the problems such as so that into Type process is easily controllable, and realizes convenient, while can effectively prevent workpiece surface and aoxidizes, because closed without setting true Altitude.In addition, used monitoring system further includes gas flow automatic adjusument and powdering thickness automatic adjusument function, Intelligence degree is high.
5th, the energy source that constituency plasma fusing rapid forming equipment uses is beam-plasma, and beam-plasma power is up to number Ten kilowatts, metal, ceramics, resin and other composite materials can be melted, and the fusing of various forms material can be completed, realized above-mentioned The rapid shaping of material part.The plasma generator (being specifically plasma gun) for generating beam-plasma is simple in structure, operation dimension Protect it is at low cost, constituency plasma fusing rapid forming equipment it is at low cost.
6th, beam-plasma has protective effect in itself, along with the effect of working gas, can effectively prevent printed material Oxidation, which does not need to protective atmosphere or vacuum environment, is directly used under atmospheric environment, has that device structure is simple, fortune The advantages that row is at low cost, forming part size is unrestricted.
7th, dust feeder drives the rotation of powder wheel to send powder into power spreading device using direct current generator, and a powder can be used Or prilling powder, do not need to spherical powder;The equipment printed material is at low cost.Also, by powder collection device to excessive powder into Row is collected in time, further saves material cost.
8th, used plasma beam system of processing includes multiple plasma beam processing unit (plant)s, and is correspondingly arranged more A plasma beam processes monitoring device, and processing is synchronized to workpiece by multiple plasma beam processing unit (plant)s, can be effective Improve the shaping efficiency of workpiece.It is particularly suitable for the forming process of large-size workpiece, the workpiece being made of a variety of different materials.It is more The printed material of a plasma beam processing unit (plant) can also can be differed with all same, very flexible using mode of operation.
9th, the quantity of print platform is used as one or more.When the quantity of print platform is multiple, operation is used Simplicity, intelligence degree are high and using effect is good, can synchronously complete the 3D printing process of multiple workpiece, production efficiency substantially carries Height, and multiple print platforms by travelling control alternately be moved to print area (i.e. plasma beam system of processing just under Side), control process is simple, it is convenient to realize, and the Forming Quality of multiple workpiece can be effectively controlled.Multiple workpiece to be formed were both It can be the identical workpiece of structure snd size all same or structure and the different multiple and different workpiece of size, make It is very flexible with mode, it is particularly suitable for high-volume work pieces process.
10th, used constituency plasma fusion rapid molding method step is simple, reasonable design and realization are convenient, uses Effect is good, and plasma gun is simple in structure, and beam-plasma has protective effect, does not need to protective atmosphere or vacuum environment, directly exists It is printed under atmospheric environment, technical process simplifies, and reduces the technology difficulty and cost of 3D printing, and print part no longer It is size-limited.As shown in the above, the present invention substantially improves traditional plasma surfacing method, existing etc. Ion overlaying method is generally both provided with plasma arc pressure Height-adjusting device, the distance of plasma gun and workpiece surface no more than 15mm, The scope of application is limited.And in the present invention, printing distance can be adjusted interior on a large scale, adapt to unlike material printing demand, and And workpiece shaping quality can be effectively ensured.To sum up, the present invention effectively reduces metal, ceramics, resin and other composite material Is The technology difficulty and cost of part rapid shaping, make it possible the large-scale application of rapid shaping.
Below by drawings and examples, technical scheme of the present invention is described in further detail.
Description of the drawings
Fig. 1 is the structure diagram that constituency plasma of the present invention melts fast equipment.
Fig. 2 is the structure diagram of plasma gun in the embodiment of the present invention 1.
Fig. 3 is the schematic block circuit diagram of monitoring system of the present invention.
Fig. 4 is structure diagram of the present invention into compression ring.
Fig. 5 is the structure diagram of air inlet ring body of the present invention.
Fig. 6 is the flow diagram that constituency plasma of the present invention melts fast method.
Fig. 7 is the structure diagram of plasma gun in the embodiment of the present invention 2.
Reference sign:
1-feeder;2-power spreading device;3-workpiece to be formed;
4-horizontal stamp pad;4-1-horizontal table;4-2-moulding cylinder;
5-air supply pipe;6-flow control valve;
7-plasma generator controller;8-distance detection unit;9-temperature detecting unit;
10-printing is apart from adjusting control device;11-detection of gas flow rate unit;
12-gas flow controller;13-plasma gun;13-1-gun body;
13-2-anode nozzle;13-3-cathode;13-4-arc chamber;
13-5-spout;13-6-insulating layer;14-dust feeder;
15-position adjusts controller;16-three axis numerically controlled machine;17-upper and lower adjusting apparatus;
18-Thickness sensitivity unit;19-driving motor;20-powdering gage controller;
21-into compression ring;21-1-air inlet ring body;21-2-annular sealing cover;
21-3-annular air inlet duct;21-4-outside air admission hole;21-5-inside air admission hole;
22-powder collection device;23-PC machine;24-move horizontally controller;
24-1-X-axis mobile mechanism;24-2-Y-axis moving mechanism;
25-electric walking mechanism;26-traveling controller;
27-walking position detection unit;28-the linear guide;
29-plasma beam processes monitoring device.
Specific embodiment
A kind of constituency plasma fusing rapid forming equipment as shown in Figure 1, by monitoring system, plasma beam processing system System, the horizontal stamp pad 4 placing and can move up and down for workpiece 3 to be formed and powdering is sent to fill on horizontal stamp pad 4 Put composition.
The plasma beam system of processing includes multiple plasma beam processing unit (plant)s, and multiple plasma beams add The structure all same that tooling is put.
Plasma of each plasma beam processing unit (plant) by nozzle is equipped with and for generating beam-plasma It generator, the print position adjusting apparatus being adjusted to the position of the plasma generator and is sent out for the plasma The feeder 1 that raw device provides working gas forms, and the plasma generator is located at horizontal 4 top of stamp pad;The confession Device of air 1 is connect by air supply pipe 5 with the air inlet opened on the plasma generator;The print position adjusting apparatus Including the plasma generator is driven to carry out mobile horizontally moving device in the horizontal plane and drives the plasma Generator is with the horizontally moving device synchronizing moving and mutually copes with the distance between the outlet of the nozzle and horizontal stamp pad 4 The printing distance adjusting means being adjusted, the plasma generator are mounted on the horizontally moving device, and the water Flat mobile device is mounted in the printing distance adjusting means.
The powder sending and laying device includes being located at horizontal 4 top of stamp pad and the power spreading device that can be moved left and right in the horizontal plane 2 and for 2 powder feeding of power spreading device dust feeder 14, the dust feeder 14 and power spreading device 2 are installed in horizontal stamp pad 4 On.
As shown in figure 3, the monitoring system includes multiple being respectively monitored the plasma beam processing unit (plant) Plasma beam processes monitoring device 29, and the quantity of the plasma beam processing monitoring device 29 adds with the plasma beam The quantity of included plasma beam processing unit (plant) is identical in work system, and multiple plasma beam processing monitoring devices 29 divide It is not connect with multiple plasma beam processing unit (plant)s;The structure all same of the plasma beam processing monitoring device 29.
Each plasma beam processing monitoring device 29 includes waiting monitored plasma beam processing unit (plant) Temperature is detected in real time at print position on shaping workpiece 3 temperature detecting unit 9 carries out the horizontally moving device Control moves horizontally controller 24, exports what the distance between horizontal stamp pad 4 was detected in real time to the nozzle Distance detection unit 8 and to the printing that is controlled of printing distance adjusting means apart from adjusting control device 10, the distance Detection unit 8 is connect with printing apart from adjusting control device 10, and the controller 24 that moves horizontally connects with the horizontally moving device It connects, the printing is connect apart from adjusting control device 10 with the printing distance adjusting means;The temperature detecting unit 9 and printing It is connected apart from adjusting control device 10 and the two forms the temperature control device for monitoring plasma beam processing unit (plant).
In the present embodiment, the temperature detecting unit 9 be to the plasma beam system of processing on workpiece 3 to be formed Print position at the infrared temperature sensor that is detected in real time of temperature.The distance detection unit 8 is sensed for laser ranging Device.
In the present embodiment, the horizontally moving device includes the plasma generator is driven to carry out in the X-axis direction The X-axis mobile mechanism 24-1 moved horizontally and the Y-axis that the plasma generator is driven to be moved horizontally in the Y-axis direction Mobile mechanism 24-2, thus the horizontally moving device is X-Y shaft moving devices.
Also, the plasma generator is mounted on Y-axis moving mechanism 24-2, the Y-axis moving mechanism 24-2 peaces On X-axis mobile mechanism 24-1, the X-axis mobile mechanism 24-1 is mounted in the printing distance adjusting means.Actually make With in the process, the plasma generator is driven to be moved horizontally in the Y-axis direction by Y-axis moving mechanism 24-2, led to GuoXZhou mobile mechanisms 24-1 drives that Y-axis moving mechanism 24-2 is synchronous with the plasma generator carries out water in the X-axis direction Translation is dynamic, and drives the horizontally moving device and the plasma generator same by the printing distance adjusting means Step is moved on the central axis of the beam-plasma.
In the present embodiment, the Y-axis moving mechanism 24-2, X-axis mobile mechanism 24-1 and the printing distance adjusting means Composition drives the manipulator of the plasma generator (being specifically plasma gun 13) progress three-dimensional motion.
In the present embodiment, the monitoring system further includes the plasma controlled the plasma generator and occurs Controller 7, the detection of gas flow rate unit 11 detected in real time to the gas flow of air supply pipe 5 and to being installed on air supply pipe 5 The gas flow controller 12 that is controlled of flow control valve 6, the plasma generator controller 7 sends out with the plasma Raw device connection, the detection of gas flow rate unit 11 are connect with gas flow controller 12.
As shown in Fig. 2, each plasma beam processing monitoring device 29 further includes and the plasma is occurred Plasma generator controller 7 that device is controlled, the detection of gas flow rate list detected in real time to the gas flow of air supply pipe 5 Member 11 and to the gas flow controller 12 that the flow control valve 6 installed on air supply pipe 5 is controlled, the plasma is controlled Device 7 processed is connect with the plasma generator, and the detection of gas flow rate unit 11 is connect with gas flow controller 12.
As shown in Fig. 2, the plasma generator includes plasma gun 13, the nozzle is 13 front end of plasma gun Anode nozzle 13-2;The plasma gun 13 includes being provided with the gun body 13-1 of the air inlet, immediately ahead of gun body 13-1 Anode nozzle 13-2 and the cathode 13-3, the anode nozzle 13-2 that are plugged in gun body 13-1 are located at cathode 13-3 front sides, institute State that arc chamber 13-4 is located on front side of cathode 13-3 and it is located at the posterior medial of anode nozzle 13-2, the anode nozzle 13-2's Front inner is spout 13-5;The anode nozzle 13-2, cathode 13-3 and arc chamber 13-4 are in coaxial cloth with gun body 13-1 If;The air inlet is located on rear side of gun body 13-1, the spout 13-5 and gun body 13-1 in it is coaxial lay or with the gun body 13- Angle between 1 central axis is 30 °~45 °.
In actual use, the plasma gun 13 is mounted on Y-axis moving mechanism 24-2.
In actual use, the plasma gun 13 can also use conventional other plasma guns.
In the present embodiment, insulating layer 13-6 is provided between the anode nozzle 13-2 and gun body 13-1.
In the present embodiment, as shown in Fig. 2, the spout 13-5 and gun body 13-1 is laid in coaxial.
In the present embodiment, the air supply pipe 5 is by into the air inlet opened on compression ring 21 and the plasma generator Connection.Also, by uniformly being supplied into the plasma generator into compression ring 21.
As shown in Figure 4, Figure 5, it is described into compression ring 21 is circular ring shape and it includes air inlet ring body 21-1 and lid is mounted in air inlet There are one rings to be opened on circular ring shape and its madial wall by annular sealing cover 21-2, the air inlet ring body 21-1 on ring body 21-1 Open that there are one in the outside air admission hole 21-4 that connects with air supply pipe 5 and its on shape air inlet duct 21-3, the air inlet ring body 21-1 Side is provided with multiple inside air admission hole 21-5, and multiple inside air admission hole 21-5 are along the circumferential direction uniformly distributed and it is respectively positioned on ring On the inside of shape air inlet duct 21-3, the outside air admission hole 21-4 is located on the outside of annular air inlet duct 21-3, the outside air admission hole 21-4 It is communicated with multiple inside air admission hole 21-5 with inside annular air inlet duct 21-3.
Also, it is along the circumferential direction provided with and multiple is communicated respectively with multiple inside air admission hole 21-5 on the gun body 13-1 Gun body air admission hole.
During 13 use of plasma gun as shown in Figure 2, plasma is generated in the arc chamber 13-4, it is generated Plasma forms beam-plasma and is sprayed through spout 13-5.
The powder that the dust feeder 14 is sent is the powder of 3 material therefor of workpiece (i.e. printed material) to be formed, to powder The shape at end is without particular/special requirement.
In the present embodiment, the working gas is inert gas or H2Gas.
Wherein, inert gas is Ar gas, He gas and N2Gas.
In the present embodiment, the horizontal stamp pad 4 is on stamp pad position regulator and can move up and down Mobile platform.
The monitoring system further includes the position controlled the stamp pad position regulator and adjusts controller 15, The position adjustment controller 15 is connect with the stamp pad position regulator.
In the present embodiment, the stamp pad position regulator is three axis numerically controlled machine 16.
Also, the controller that the position adjustment controller 15 is three axis numerically controlled machine 16.
In actual use, the stamp pad position regulator can also can complete X, Y and three directions of Z axis using other The device of movement or the vertically movable device that can be moved up and down in the vertical direction.
In actual use, the horizontal stamp pad 4 can also use the fixed fixed platform in position.
In the present embodiment, the powder sending and laying device further includes powder collection device 22, and the dust feeder 14 is fixedly mounted on water The side of flat stamp pad 4, the powder collection device 22 are fixedly mounted on the opposite side of horizontal stamp pad 4,14 He of dust feeder Powder collection device 22 is located in same level;The power spreading device 2 is located at 14 top of dust feeder.
In actual use, between the central axis and vertical plane of the beam-plasma that the plasma generator generates Angle be not more than 45 °;The printing distance adjusting means are that the nozzle is carried out along the central axis of the beam-plasma Adjusting apparatus 17 up and down adjusted up and down, the distance detection unit 8 are from described to the central axis along the beam-plasma The distance detection device for exporting to the distance between horizontal stamp pad 4 and being detected in real time of nozzle.
In the present embodiment, the adjusting apparatus 17 up and down is Z-direction adjusting apparatus.
Also, the adjusting apparatus 17 up and down is telescopic hydraulic cylinder.
In the present embodiment, the central axis for the beam-plasma that the plasma generator generates is in vertically to laying.It is real Border is in use, can according to specific needs, to the central axis and vertical plane of the beam-plasma that the plasma generator generates Between angle adjust accordingly.
In the present embodiment, the horizontal stamp pad 4 includes the moulding cylinder 4-2 that is open of top and the bottom and can be in moulding cylinder 4-2 The horizontal table 4-1, the moulding cylinder 4-2 inside moved up and down includes more on the outside of horizontal table 4-1 surroundings by being laid in Block side shield surrounds;The outlet and horizontal operation of the distance between the outlet of the nozzle and horizontal stamp pad 4 for the nozzle The distance between platform 4-1 upper surfaces.
Also, the moulding cylinder 4-2 for rectangle and its from four pieces in vertically being formed to the side shield of laying.Actual use When, the moulding cylinder 4-2 may be other shapes, such as circle, pentagon, hexagon.
In actual use, the purpose of setting moulding cylinder 4-2 is only that convenient for excessive powder collection and dust feeder 14, paving The installation of powder device 2 and powder collection device 22.In the present embodiment, the dust feeder 14 and powder collection device 22 are separately mounted to be molded On the left and right sides lateral wall of cylinder 4-2, the power spreading device 2 is mounted on moulding cylinder 4-2.
In the present embodiment, the dust feeder 14 includes being provided with the shell of feed inlet and powder feeding mouth and mounted on the shell Interior powder feeding wheel, the powder feeding wheel are driven by driving motor 19;
Each plasma beam processing monitoring device 29, which further includes, carries out in real time the powdering thickness of power spreading device 2 The Thickness sensitivity unit 18 of detection and the powdering gage controller 20 controlled driving motor 19, the Thickness sensitivity unit 18 connect with powdering gage controller 20.
In the present embodiment, the driving motor 19 is direct current generator.In actual use, by changing the direct current The rotating speed of machine carries out the powdering thickness of power spreading device 2 easy, quick adjustment.
In actual use, the quantity of the horizontal stamp pad 4 is one or more.
In the present embodiment, the quantity of the horizontal stamp pad 4 is multiple, and multiple horizontal stamp pads 4 are respectively for more Print platform that a workpiece to be formed 3 prints and its be respectively positioned in same level;Pacify each horizontal 4 bottom of stamp pad Equipped with electric walking mechanism 25, multiple print platforms are respectively positioned below the plasma beam system of processing, and multiple institutes It is platform to be controlled to state the print platform being located in print platform immediately below the plasma beam system of processing.
The quantity of the powder sending and laying device is identical with the quantity of horizontal stamp pad 4 for multiple and its quantity, each water The powder sending and laying device there are one being respectively mounted on flat stamp pad 4;
As shown in figure 3, the monitoring system further include to the electric walking mechanisms 25 of multiple print platforms respectively into The traveling controller 26 of row control and multiple walkings detected in real time to the walking position of multiple print platforms respectively Position detection unit 27, the position adjustment controller 15 is to the stamp pad position regulator of multiple print platforms It is respectively controlled;The electric walking mechanism 25 of multiple print platforms and multiple walking position detection units 27 with Traveling controller 26 connects, and the stamp pad position regulator of multiple print platforms adjusts controller 15 with position Connection.
Meanwhile constituency plasma fusing rapid forming equipment of the present invention further includes the multiple printings of a confession and puts down The walking track that the electric walking mechanism 25 of platform walks, the electric walking mechanism 25 of multiple print platforms are respectively positioned on the row It walks on track, the electric walking mechanism 25 is the walking that the print platform is driven to be moved forward and backward along the walking track Mechanism;The horizontal stamp pad 4 of multiple print platforms is laid from front to back along the length direction of the walking track.
In the present embodiment, the walking track is the linear guide 28 in horizontal layout.In actual use, the walking rail Road can also use other types of track or sliding slot.Also, the horizontal stamp pad 4 of multiple print platforms is laid in together On one straight line.
In actual use, the walking track can also use the rails such as arc, circle, ellipse, fold-line-shaped, square shape Road.
In the present embodiment, the structure snd size all same of multiple print platforms.
Also, the electric walking mechanism 25 of each print platform includes multiple mounted on stamp pad position tune Engagement positions bottom and the electric walking wheel being moved forward and backward along the walking track.
In the present embodiment, the stamp pad position regulator of multiple print platforms is three axis numerically controlled machine 16。
In the present embodiment, the quantity of the print platform is two.
In actual use, the quantity of the print platform can be adjusted accordingly according to specific needs.
In the present embodiment, the monitoring system further includes multiple respectively to the horizontal stamp pad 4 of multiple print platforms The stamp pad displacement monitor that is monitored of displacement, each stamp pad position monitoring device includes respectively to level The first displacement detecting unit that displacement of the stamp pad 4 in X-axis, Y-axis and Z-direction is detected in real time, second displacement detection Unit and third displacement detecting unit, first displacement detecting unit, second displacement detection unit and third displacement detecting list Member is connect with position adjustment controller 15.
During physical cabling, multiple plasma beam processing monitoring devices 29 connect with the data processing equipment. For any one described plasma beam processing monitoring device 29, the plasma generator controller 7, gas flow control Device 12, position adjustment controller 15, printing apart from adjusting control device 10, powdering gage controller 20 and move horizontally controller 24 Connect with the data processing equipment, the data processing equipment is PC machine 23.The feeder 1 is opened by PC machine 23 Stop controlling.
Also, multiple plasma beam processing unit (plant)s can share a feeder 1, can also be respectively adopted one A feeder 1.
In the present embodiment, each plasma beam processing unit (plant) is further included respectively to Y-axis moving mechanism 24-2 in Y Horizontal displacement in axis direction to X-axis mobile mechanism 24-1 horizontal displacements in the X-axis direction and exists to upper and lower adjusting apparatus 17 The 4th displacement detecting unit, the 5th displacement detecting unit and the 6th displacement that horizontal displacement in Z-direction is detected in real time Detection unit, the 4th displacement detecting unit, the 5th displacement detecting unit and the 6th displacement detecting unit are with moving horizontally Controller 24 connects.
A kind of constituency plasma fusion rapid molding method as shown in Figure 6, includes the following steps:
Step 1: workpiece three-dimensional stereo model to be formed obtains and hierarchy slicing processing:Using data processing equipment and tune The three-dimensional stereo model of workpiece 3 to be formed is obtained with image processing module, hierarchy slicing module is recalled and treats shaping workpiece 3 Three-dimensional stereo model carries out hierarchy slicing, and obtains multiple layering cross-sectional images;
It is multiple it is described layering cross-sectional images be treat shaping workpiece 3 three-dimensional stereo model carry out hierarchy slicing after obtain it is more The image in a layering section, multiple layering sections are uniformly distributed from the bottom to top;Each described point of the workpiece to be formed 3 Layer cross section is divided into multiple print zones printed respectively by multiple plasma beam processing unit (plant)s;
Step 2: scan path is filled:Using data processing equipment and described image processing module is called, in step 1 Multiple layering cross-sectional images are respectively processed, and complete the scan path filling process in multiple layering sections, are obtained Obtain the scan paths in multiple layering sections;
The scan path in each layering section includes the scanning road of multiple print zones on the layering section Diameter;
Step 3: printing path obtains:The data processing equipment is cut according to the multiple layerings obtained in step 2 The scan path in face obtains the printing path in multiple layering sections;The printing path in each layering section with this The scan path for being layered section is identical, and the printing path in each layering section includes multiple institutes on the layering section State the printing path of print zone;
Step 4: it successively prints from the bottom to top:According to obtained in step 3 it is multiple it is described layering sections printing paths, Shaping workpiece 3 is successively treated from the bottom to top to be printed, and obtains the finished workpart stacked from the bottom to top by multiple shape layers; The quantity of the shape layer is identical with the quantity that section is layered described in step 1, the installation position difference of multiple shape layers With it is multiple it is described layering sections installation positions correspond and its thickness all same, the thickness of the shape layer with it is two neighboring Layering the distance between the section is identical, in step 3 the printing path in multiple layering sections be respectively it is multiple it is described into The printing path of type layer;When treating shaping workpiece 3 and being printed, process is as follows:
Step 401, bottom printing:According to the printing path of current institute's printing shaping layer acquired in step 3, use Current institute's printing shaping layer that the plasma beam system of processing treats shaping workpiece 3 is printed;Using the plasma When line system of processing prints current institute's printing shaping layer, synchronized pair using multiple plasma beam processing unit (plant)s Multiple print zones of current institute printing shaping layer are printed respectively;
The Method of printing all same of multiple plasma beam processing unit (plant)s;
Using plasma beam processing unit (plant) any one described to a print zone of current institute's printing shaping layer into During row printing, the controller 24 that moves horizontally of the plasma beam processing unit (plant) is currently printed according to acquired in step 3 The printing path of the print zone in shape layer controls the horizontally moving device and drives the plasma generator It is moved in the horizontal plane;In the plasma generator moving process, which passes through described Beam-plasma carries out continuous scanning to spreading printed material on horizontal stamp pad 4, completes the printing of current institute's printing shaping layer Journey;
In this step, current institute's printing shaping layer is the shape layer for being located at bottommost in multiple shape layers;
Step 402, last layer printing, include the following steps:
Step 4021, horizontal stamp pad move down:By horizontal stamp pad 4 once moved down in the vertical direction and to It is identical with the thickness of the shape layer to move down dynamic height;
Step 4022, printing and synchronous temperature control:According to the print path of current institute's printing shaping layer acquired in step 3 Diameter, current institute's printing shaping layer that shaping workpiece 3 is treated using the plasma beam system of processing are printed;Using described When plasma beam system of processing prints current institute's printing shaping layer, using multiple plasma beam processing unit (plant)s It synchronizes and multiple print zones of current institute's printing shaping layer is printed respectively;
The Method of printing all same of multiple plasma beam processing unit (plant)s;
Using plasma beam processing unit (plant) any one described to a print zone of current institute's printing shaping layer into During row printing, the controller 24 that moves horizontally of the plasma beam processing unit (plant) is currently printed according to acquired in step 3 The printing path of the print zone in shape layer controls the horizontally moving device and drives the plasma generator It is moved in the horizontal plane;In the plasma generator moving process, which passes through described Beam-plasma carries out continuous scanning to spreading printed material on currently printed next shape layer upper surface, completes The print procedure of current institute printing shaping layer;In print procedure, by temperature detecting unit 9 to currently printed next The upper surface temperature of the plasma beam processing unit (plant) institute print area detect and will be detected in real time in the shape layer Temperature information synchronous driving is to printing apart from adjusting control device 10;Also, it is examined by the distance of the plasma beam processing unit (plant) It surveys unit 8 to detect the distance between the outlet of the nozzle and horizontal stamp pad 4 in real time, and by the distance detected letter Synchronous driving is ceased to printing apart from adjusting control device 10;The printing is apart from adjusting control device 10 according to 9 institute of temperature detecting unit The temperature information of detection and by control it is described printing distance adjusting means between the outlet of the nozzle and horizontal stamp pad 4 Distance be adjusted, make the plasma beam processing unit (plant) institute print zone in current printed next shape layer The upper surface temperature in domain is not higher than 0.6 times of the material fusing point of workpiece 3 to be formed;Also, use any one described beam-plasma Before stream processing unit (plant) prints current institute's printing shaping layer, first first tiled one layer of printing material using power spreading device 2 Material, the printed material are dusty material (i.e. powder);
Step 402 is repeated several times in step 403, until completing the print procedure of 3 all shape layers of workpiece to be formed.
In the present embodiment, before successively being printed from the bottom to top in step 4, the root of data processing equipment elder generation described in step 1 According to the material fusing point and printing range data library pre-established, and combine each plasma pre-entered by parameter input unit The Material Name of the printed material of beam current machining device carries out the basis printing distance of each plasma beam processing unit (plant) true It is fixed;The parameter input unit connects with the data processing equipment;
The material fusing point of various material and printing range information are stored in the material fusing point and printing range data library, The material fusing point and printing range information of each material include title, fusing point and the basis printing distance of this kind of material; The basis printing distance is 5mm~1000mm, and material fusing point is higher, and basis printing distance is nearer;
Using any one described plasma beam processing unit (plant) to described in one of current institute's printing shaping layer in step 401 Before print zone is printed, the printing of the plasma beam processing unit (plant) is apart from adjusting control device 10 according to distance detection unit 8 range informations detected and by controlling the printing distance adjusting means by the outlet of the nozzle and horizontal stamp pad 4 The distance between be adjusted to it is described basis printing distance;Also, it is beaten in step 401 using the plasma beam processing unit (plant) During print, the distance between the outlet of the nozzle and horizontal stamp pad 4 print distance for the basis;
Using any one described plasma beam processing unit (plant) to an institute of current institute's printing shaping layer in step 4022 It states before print zone printed, the printing of the plasma beam processing unit (plant) is single according to distance detection apart from adjusting control device 10 The range information and the number that moves down of the horizontal stamp pad 4 of combination that member 8 is detected move down height, and pass through control with each The printing distance adjusting means are made by the outlet of the nozzle and the upper table of current printed next shape layer The distance between face is adjusted to the basis printing distance;It is printed in step 4022 using the plasma beam processing unit (plant) In the process, when the distance between the outlet of the nozzle and horizontal stamp pad 4 being adjusted, the printing is apart from adjusting control The range information that the temperature information and combination distance detection unit 8 that device 10 is detected according to temperature detecting unit 9 are detected is to institute It states the distance between the outlet of nozzle and horizontal stamp pad 4 to be adjusted, makes current printed next shape layer In the upper surface temperature control of the plasma beam processing unit (plant) institute print area print material in the plasma beam processing unit (plant) Between 0.1 times of the material fusing point of material~0.6 times;Also, the distance between outlet and horizontal stamp pad 4 to the nozzle into When row is adjusted, the amplitude of accommodation is 5mm~60mm, and material fusing point is higher, and the amplitude of accommodation is smaller.
In the present embodiment, before successively being printed from the bottom to top in step 4, the root of data processing equipment elder generation described in step 1 According to the gas flow data library pre-established, and with reference to the thickness of the preset shape layer, to the basic gas of air supply pipe 5 Body flow is determined;
Base gas flow of the gas flow data library memory storage needed for there are many shape layer of different thickness;It is described Base gas flow is 5ml/min~500ml/min, and the thickness of the shape layer is thicker, and the base gas flow is bigger;
Before any of step 401 plasma beam processing unit (plant) is printed, the gas flow controller 12 according to 11 detection informations of detection of gas flow rate unit and by controlling flow control valve 6 by the gas flow tune of air supply pipe 5 Whole is the base gas flow;In any of step 401 plasma beam processing unit (plant) print procedure, the gas supply The gas flow of pipe 5 is the base gas flow;
Any of step 4022 plasma beam processing unit (plant) is printed and is synchronized in temperature control process, the gas Body flow controller 12 is according to 11 detection informations of detection of gas flow rate unit and combines 8 detecting distance letters of distance detection unit Breath, and by the way that flow control valve 6 is controlled to be increased and decreased adjustment to the gas flow of air supply pipe 5;Also, the outlet of the nozzle with The distance between horizontal stamp pad 4 is bigger, and the gas flow of the air supply pipe 5 is bigger.
In the present embodiment, when obtaining the three-dimensional stereo model of the workpiece 3 to be formed, pro/e, UG, CATIA etc. three is utilized Dimension graphics software designs the three-dimensional stereo model (i.e. three-dimensional entity model) of workpiece 3 to be formed, then pass through the hierarchy slicing Module carries out hierarchy slicing to the three-dimensional stereo model, and obtains the outline data in each section, is swept by outline data generation filling Path is retouched, accordingly obtains the printing path (printing path in i.e. each layering section) of the plasma beam system of processing.Thus, Method employed in step 1 and step 2 is used with the molding of conventional laser selective melting or electron beam selective melting molding Method is identical.Later, it is carried out in X and Y direction motion process in the horizontal plane according to the printing path obtained, first using paving The one layer of powder of tiling on horizontal stamp pad 4 or on the upper surface of current printed next shape layer of powder device 2 And powder tiles to processing level, excessive powder is recycled to powder collection device 22 by powdering after the completion;Then, then pass through institute It states beam-plasma and carries out continuous scanning to spreading printed material on horizontal stamp pad 4, complete the printing of current institute's printing shaping layer Process;Then, the three axis numerically controlled machine 16 declines in the Z-axis direction, successively prints, so as to complete the printing of 3 d part Journey.
Since horizontal stamp pad 4 is mobile platform on stamp pad position regulator, thus institute in step 3 The printing path in each layering section obtained can also be the machining path of three axis numerically controlled machine 16, described at this time etc. Ion beam current system of processing does not move in the horizontal plane, but by horizontal stamp pad 4 in terms of the level on move, from And complete the print procedure of each shape layer.
In the present embodiment, the quantity of the horizontal stamp pad 4 is multiple;
Workpiece three-dimensional stereo model to be formed is carried out in step 1 to obtain and when hierarchy slicing handles, and described is treated into multiple Type workpiece 3 carries out three-dimensional stereo model acquisition and hierarchy slicing processing respectively;Wherein, to workpiece 3 to be formed any one described into When row three-dimensional stereo model obtains and hierarchy slicing handles, using data processing equipment and call image processing module acquisition should The three-dimensional stereo model of workpiece 3 to be formed recalls hierarchy slicing module and the three-dimensional stereo model of the workpiece 3 to be formed is carried out Hierarchy slicing, and obtain multiple layering cross-sectional images of the workpiece 3 to be formed;
The height all same of multiple workpiece to be formed 3;The three-dimensional stereo model of multiple workpiece 3 to be formed is divided During layer slice, lift height all same and the quantity all same for obtaining layering cross-sectional image;
When path filling is scanned in step 2, multiple workpiece 3 to be formed are scanned with path filling respectively Processing;Wherein, it when path filling processing is scanned to workpiece 3 to be formed any one described, is set using the data processing Standby and calling described image processing module, multiple layering cross-sectional images to the workpiece 3 to be formed obtained in step 1 It is respectively processed, and completes the scan path filling process in multiple layering sections, obtain multiple layering sections Scan path;
When printing path acquisition is carried out in step 3, obtained respectively using the data processing equipment multiple described to be formed The printing path of workpiece 3;Wherein, when obtaining the printing path of any one workpiece 3 to be formed, the data processing equipment is equal According to the scan path in multiple layering sections of the workpiece 3 to be formed obtained in step 2, the workpiece 3 to be formed is obtained Multiple layering sections printing paths, and scanning of the printing path in each layering section with the layering section Path is identical;
When successively being printed from the bottom to top in step 4, multiple workpiece 3 to be formed are synchronized and are carried out from the bottom to top Successively print;
In step 401 carry out bottom printing when and step 402 in carry out last layer printing printing when, using the grade from Beamlet stream system of processing is printed respectively by elder generation to rear current institute's printing shaping layer to multiple workpiece 3 to be formed;It treats After the completion of current institute's printing shaping layer of multiple workpiece 3 to be formed prints, then to the upper of multiple workpiece 3 to be formed One shape layer is printed respectively;
Wherein, workpiece 3 to be formed any one described is currently printed as using the plasma beam system of processing When type layer is printed, first pass through traveling controller 26 and the electric walking mechanism 25 of multiple print platforms is controlled respectively System will move to the underface of the plasma beam system of processing for the print platform that the workpiece 3 to be formed prints;This When, the print platform immediately below the plasma beam system of processing is platform to be controlled;And then described in using Plasma beam system of processing prints current institute's printing shaping layer of the workpiece 3 to be formed.
In the present embodiment, when being printed in step 401 and step 4022, according to the laying of multiple print platforms Position carries out current institute's printing shaping layer of multiple workpiece 3 to be formed from front to back or by rear to preceding sequence respectively Printing.
Also, it will be moved in step 401 and step 4021 for the print platform that the workpiece 3 to be formed prints described etc. During the underface of ion beam current system of processing, by traveling controller 26 to the electric walking mechanism of multiple print platforms 25 are respectively controlled, and multiple print platforms is made to be moved along the walking track.
Embodiment 2
In the present embodiment, as shown in fig. 7, used constituency plasma fusing rapid forming equipment is different from embodiment 1 Be:Angle between the spout 13-5 and gun body 13-1 central axis is 30 °~45 °.
In this way, after being changed by spout 13-5 to the direction of the beam-plasma, plasma jet can be effectively reduced The thermic load that anode nozzle 13-2 is generated is impacted, improves anode ablation situation.
In the present embodiment, use the rest part structure of constituency plasma fusing rapid forming equipment, connection relation and Operation principle is same as Example 1.
In the present embodiment, used constituency plasma fusion rapid molding method is same as Example 1.
The above is only presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, every according to the present invention Any simple modification, change and the equivalent structure that technical spirit makees above example change, and still fall within skill of the present invention In the protection domain of art scheme.

Claims (10)

1. a kind of constituency plasma melts rapid forming equipment, it is characterised in that:By monitoring system, plasma beam processing system It unites, for workpiece to be formed (3) placement and the horizontal stamp pad (4) that can be moved up and down and sending on horizontal stamp pad (4) Power spreading device forms;
The plasma beam system of processing includes multiple plasma beam processing unit (plant)s, multiple plasma beam processing dresses The structure all same put;
Each plasma beam processing unit (plant) is by being equipped with nozzle and occur for generating the plasma of beam-plasma Device, the print position adjusting apparatus being adjusted to the position of the plasma generator and be the plasma generator Feeder (1) composition of working gas is provided, the plasma generator is located above horizontal stamp pad (4);The confession Device of air (1) is connect by air supply pipe (5) with the air inlet opened on the plasma generator;The print position adjustment Device include driving the plasma generator carry out mobile horizontally moving device in the horizontal plane and drive the grade from Daughter generator is with the horizontally moving device synchronizing moving and mutually copes between the outlet of the nozzle and horizontal stamp pad (4) The printing distance adjusting means that are adjusted of distance, the plasma generator is mounted on the horizontally moving device, and The horizontally moving device is mounted in the printing distance adjusting means;
The powder sending and laying device includes being located at the power spreading device that can be moved left and right above horizontal stamp pad (4) and in the horizontal plane (2) and for power spreading device (2) powder feeding dust feeder (14), the dust feeder (14) and power spreading device (2) are installed in water On flat stamp pad (4);
The monitoring system includes multiple plasma beam processing being monitored respectively to the plasma beam processing unit (plant) Monitoring device (29), quantity and the institute in the plasma beam system of processing of the plasma beam processing monitoring device (29) Quantity including plasma beam processing unit (plant) is identical, multiple plasma beams processing monitoring devices (29) respectively with it is multiple The plasma beam processing unit (plant) connection;The structure all same of the plasma beam processing monitoring device (29);
Each plasma beam processing monitoring device (29) includes treating into monitored plasma beam processing unit (plant) Temperature is detected in real time at print position on type workpiece (3) temperature detecting unit (9), to the horizontally moving device into Row control moves horizontally controller (24), the distance between the outlet of the nozzle and horizontal stamp pad (4) is carried out in real time The distance detection unit (8) of detection and to the printing that is controlled of printing distance adjusting means apart from adjusting control device (10), the distance detection unit (8) connect with printing apart from adjusting control device (10), it is described move horizontally controller (24) and The horizontally moving device connection, the printing are connect apart from adjusting control device (10) with the printing distance adjusting means;Institute State temperature detecting unit (9) with printing connect apart from adjusting control device (10) and the two composition monitor plasma beam process dress The temperature control device put;
Angle between the central axis and vertical plane of the beam-plasma that the plasma generator generates is not more than 45 °;Institute It is the adjustment up and down for the nozzle adjust up and down along the central axis of the beam-plasma to state printing distance adjusting means Device (17), the distance detection unit (8) is exports to water to the central axis along the beam-plasma from the nozzle The distance detection device that the distance between flat stamp pad (4) is detected in real time.
2. a kind of constituency plasma fusing rapid forming equipment described in accordance with the claim 1, it is characterised in that:The level is beaten Ink pad (4) is the mobile platform that on stamp pad position regulator and can be moved up and down;
The monitoring system further includes the position adjustment controller (15) controlled the stamp pad position regulator, institute Rheme is put adjustment controller (15) and is connect with the stamp pad position regulator.
3. melt rapid forming equipment according to a kind of constituency plasma described in claims 1 or 2, it is characterised in that:It is described etc. Plasma generator includes plasma gun (13), and the nozzle is the anode nozzle (13-2) of plasma gun (13) front end;It is described Gun body (13-1) of the plasma gun (13) including being provided with the air inlet, the anode nozzle (13- immediately ahead of gun body (13-1) 2) and the cathode (13-3) that is plugged in gun body (13-1), the anode nozzle (13-2) are described on front side of cathode (13-3) Arc chamber (13-4) is on front side of cathode (13-3) and it is located at the posterior medial of anode nozzle (13-2), the anode nozzle The front inner of (13-2) is spout (13-5);The anode nozzle (13-2), cathode (13-3) and arc chamber (13-4) with Gun body (13-1) is laid in coaxial;The air inlet is located on rear side of gun body (13-1), the spout (13-5) and gun body (13-1) It it is 30 °~45 ° in coaxial laying or the angle between gun body (13-1) central axis.
4. melt rapid forming equipment according to a kind of constituency plasma described in claims 1 or 2, it is characterised in that:It is described to send Power spreading device further includes powder collection device (22), and the dust feeder (14) is fixedly mounted on the side of horizontal stamp pad (4), described Powder collection device (22) is fixedly mounted on the opposite side of horizontal stamp pad (4), the dust feeder (14) and powder collection device (22) position In in same level;The power spreading device (2) is above dust feeder (14);
The shell of the dust feeder (14) including being provided with feed inlet and powder feeding mouth and the powder feeding wheel in the shell, institute Powder feeding wheel is stated to be driven by driving motor (19);
Each plasma beam processing monitoring device (29) further includes what the plasma generator was controlled Plasma generator controller (7), the detection of gas flow rate unit (11) detected in real time to the gas flow of air supply pipe (5), The gas flow controller (12) that is controlled the flow control valve (6) installed on air supply pipe (5), to power spreading device (2) The Thickness sensitivity unit (18) and the powdering thickness control controlled driving motor (19) that powdering thickness is detected in real time Device (20), the plasma generator controller (7) connect with the plasma generator, the detection of gas flow rate unit (11) it is connect with gas flow controller (12);The Thickness sensitivity unit (18) connect with powdering gage controller (20).
5. melt rapid forming equipment according to a kind of constituency plasma described in claims 1 or 2, it is characterised in that:The water The moulding cylinder (4-2) that flat stamp pad (4) is open including top and the bottom and the horizontal operation that can be moved up and down in moulding cylinder (4-2) Platform (4-1), the moulding cylinder (4-2) by being laid in the polylith side shield on the outside of horizontal table (4-1) surrounding including being surrounded;Institute State the outlet and horizontal table (4-1) upper surface that the distance between outlet and horizontal stamp pad (4) of nozzle is the nozzle The distance between.
6. melt rapid forming equipment according to a kind of constituency plasma described in claims 1 or 2, it is characterised in that:The water The quantity of flat stamp pad (4) is multiple, and multiple horizontal stamp pads (4) are respectively for multiple workpiece (3) printings to be formed Print platform and its be respectively positioned in same level;Each horizontal stamp pad (4) bottom is mounted on electric walking mechanism (25), multiple print platforms are respectively positioned below the plasma beam system of processing, and position in multiple print platforms Print platform immediately below the plasma beam system of processing is platform to be controlled;
The quantity of the powder sending and laying device is identical with the quantity of horizontal stamp pad (4) for multiple and its quantity, each level The powder sending and laying device there are one being respectively mounted on stamp pad (4);
The monitoring system further includes the walking being respectively controlled to the electric walking mechanism (25) of multiple print platforms Controller (26) and multiple walking positions detected in real time to the walking position of multiple print platforms respectively detect single First (27), the position adjustment controller (15) to the stamp pad position regulators of multiple print platforms respectively into Row control;The electric walking mechanism (25) of multiple print platforms and multiple walking position detection units (27) with row Controller (26) connection is walked, the stamp pad position regulator of multiple print platforms adjusts controller with position (15) it connects.
7. a kind of method that shaping workpiece progress rapid shaping is treated using rapid forming equipment as described in claim 1, special Sign is:This method includes the following steps:
Step 1: workpiece three-dimensional stereo model to be formed obtains and hierarchy slicing processing:Using data processing equipment and calling figure As the three-dimensional stereo model of processing module acquisition workpiece (3) to be formed, recall hierarchy slicing module and treat shaping workpiece (3) Three-dimensional stereo model carries out hierarchy slicing, and obtains multiple layering cross-sectional images;
It is multiple it is described layering cross-sectional images be treat shaping workpiece (3) three-dimensional stereo model progress hierarchy slicing after obtain it is multiple The image in section is layered, multiple layering sections are uniformly distributed from the bottom to top;Each described point of the workpiece to be formed (3) Layer cross section is divided into multiple print zones printed respectively by multiple plasma beam processing unit (plant)s;
Step 2: scan path is filled:Using data processing equipment and described image processing module is called, to multiple in step 1 The layering cross-sectional image is respectively processed, and completes the scan path filling process in multiple layering sections, is obtained more The scan path in a layering section;
The scan path in each layering section includes the scan path of multiple print zones on the layering section;
Step 3: printing path obtains:The data processing equipment is according to the multiple layering sections obtained in step 2 Scan path obtains the printing path in multiple layering sections;The printing path in each layering section with the layering The scan path in section is identical, and the printing path in each layering section multiple described beating of including on the layering section Print the printing path in area;
Step 4: it successively prints from the bottom to top:According to the printing path in multiple layering sections obtained in step 3, under Supreme shaping workpiece (3) of successively treating is printed, and obtains the finished workpart stacked from the bottom to top by multiple shape layers;Institute It is identical with the quantity that section is layered described in step 1 to state the quantity of shape layer, the installation positions of multiple shape layers respectively with The installation position in multiple layering sections corresponds and its thickness all same, the thickness of the shape layer and two neighboring institute It is identical to state the distance between layering section, multiple printing paths for being layered sections are respectively multiple moldings in step 3 The printing path of layer;When treating shaping workpiece (3) and being printed, process is as follows:
Step 401, bottom printing:According to the printing path of current institute's printing shaping layer acquired in step 3, using described Current institute's printing shaping layer that plasma beam system of processing treats shaping workpiece (3) is printed;Using the beam-plasma When stream system of processing prints current institute's printing shaping layer, synchronized using multiple plasma beam processing unit (plant)s to working as Multiple print zones of preceding institute's printing shaping layer are printed respectively;
The Method of printing all same of multiple plasma beam processing unit (plant)s;
One print zone of current institute's printing shaping layer is beaten using plasma beam processing unit (plant) any one described During print, the controller (24) that moves horizontally of the plasma beam processing unit (plant) is currently printed as according to acquired in step 3 The printing path of the print zone in type layer controls the horizontally moving device and the plasma generator is driven to exist It is moved on horizontal plane;In the plasma generator moving process, which passes through described etc. Ion beam carries out continuous scanning to spreading printed material on horizontal stamp pad (4), completes the printing of current institute's printing shaping layer Journey;
In this step, current institute's printing shaping layer is the shape layer for being located at bottommost in multiple shape layers;
Step 402, last layer printing, include the following steps:
Step 4021, horizontal stamp pad move down:Horizontal stamp pad (4) is once moved down in the vertical direction and downwards Mobile height is identical with the thickness of the shape layer;
Step 4022, printing and synchronous temperature control:According to the printing path of current institute's printing shaping layer acquired in step 3, adopt Current institute's printing shaping layer that shaping workpiece (3) is treated with the plasma beam system of processing is printed;Using described etc. It is same using multiple plasma beam processing unit (plant)s when ion beam current system of processing prints current institute's printing shaping layer Step prints multiple print zones of current institute's printing shaping layer respectively;
The Method of printing all same of multiple plasma beam processing unit (plant)s;
One print zone of current institute's printing shaping layer is beaten using plasma beam processing unit (plant) any one described During print, the controller (24) that moves horizontally of the plasma beam processing unit (plant) is currently printed as according to acquired in step 3 The printing path of the print zone in type layer controls the horizontally moving device and the plasma generator is driven to exist It is moved on horizontal plane;In the plasma generator moving process, which passes through described etc. Ion beam carries out continuous scanning to spreading printed material on currently printed next shape layer upper surface, completes to work as The print procedure of preceding institute's printing shaping layer;In print procedure, by temperature detecting unit (9) to currently printed next The upper surface temperature of the plasma beam processing unit (plant) institute print area detect and will be detected in real time in the shape layer Temperature information synchronous driving is to printing apart from adjusting control device (10);Also, pass through the distance of the plasma beam processing unit (plant) Detection unit (8) detects the distance between the outlet of the nozzle and horizontal stamp pad (4) in real time, and will be detected Range information synchronous driving is to printing apart from adjusting control device (10);The printing is examined apart from adjusting control device (10) according to temperature Survey the temperature information that unit (9) is detected and outlet and level by controlling the printing distance adjusting means to the nozzle The distance between stamp pad (4) is adjusted, and adds the plasma beam in current printed next shape layer Tooling puts 0.6 times of the upper surface temperature of institute's print area not higher than the material fusing point of workpiece to be formed (3);
Step 402 is repeated several times in step 403, until completing the print procedure of all shape layers of workpiece (3) to be formed.
8. according to the method treated shaping workpiece and carry out rapid shaping described in claim 7, it is characterised in that:In step 4 by Under it is supreme successively print before, data processing equipment described in step 1 is first according to the material fusing point that pre-establishes and printing distance Database, and combine the material name of the printed material of each plasma beam processing unit (plant) pre-entered by parameter input unit Claim, the basis printing distance of each plasma beam processing unit (plant) is determined;At the parameter input unit and the data Reason equipment connects;
The material fusing point of various material and printing range information are stored in the material fusing point and printing range data library, each The material fusing point and printing range information of the material include title, fusing point and the basis printing distance of this kind of material;It is described Basis printing distance is 5mm~1000mm, and material fusing point is higher, and basis printing distance is nearer;
The printing of any one described plasma beam processing unit (plant) to current institute's printing shaping layer is used in step 401 Before area is printed, the printing of the plasma beam processing unit (plant) is apart from adjusting control device (10) according to distance detection unit (8) range information that is detected and by controlling the printing distance adjusting means by the outlet of the nozzle and horizontal stamp pad The distance between (4) it is adjusted to the basis printing distance;Also, in step 401 using the plasma beam processing unit (plant) into In row print procedure, the distance between the outlet of the nozzle and horizontal stamp pad (4) print distance for the basis;
Using any one described plasma beam processing unit (plant) to being beaten described in one of current institute's printing shaping layer in step 4022 Before print area is printed, the printing of the plasma beam processing unit (plant) is apart from adjusting control device (10) according to distance detection unit (8) range information and the number that moves down of the horizontal stamp pad of combination (4) detected moves down height, and pass through with each Control the printing distance adjusting means that exporting for the nozzle is upper with current printed next shape layer The distance between surface is adjusted to the basis printing distance;It is beaten in step 4022 using the plasma beam processing unit (plant) During print, when the distance between outlet and horizontal stamp pad (4) to the nozzle are adjusted, the printing distance is adjusted Temperature information that controller (10) is detected according to temperature detecting unit (9) and combine that distance detection unit (8) detected away from The distance between the outlet of the nozzle and horizontal stamp pad (4) are adjusted from information, made current printed next The upper surface temperature control of the plasma beam processing unit (plant) institute print area adds in the plasma beam in a shape layer Tooling is put between 0.1 times~0.6 times of the material fusing point of printed material;Also, outlet and horizontal stamp pad to the nozzle The distance between (4) when being adjusted, the amplitude of accommodation is 5mm~60mm, and material fusing point is higher, and the amplitude of accommodation is smaller.
9. according to the method treated shaping workpiece and carry out rapid shaping described in claim 7 or 8, it is characterised in that:The water The quantity of flat stamp pad (4) is multiple, and multiple horizontal stamp pads (4) are respectively for multiple workpiece (3) printings to be formed Print platform and its be respectively positioned in same level;Each horizontal stamp pad (4) bottom is mounted on electric walking mechanism (25), multiple print platforms are respectively positioned below the plasma beam system of processing, and position in multiple print platforms Print platform immediately below the plasma beam system of processing is platform to be controlled;
The monitoring system further includes the walking being respectively controlled to the electric walking mechanism (25) of multiple print platforms Controller (26) and multiple walking positions detected in real time to the walking position of multiple print platforms respectively detect single First (27), the position adjustment controller (15) to the stamp pad position regulators of multiple print platforms respectively into Row control;The electric walking mechanism (25) of multiple print platforms and multiple walking position detection units (27) with row Controller (26) connection is walked, the stamp pad position regulator of multiple print platforms adjusts controller with position (15) it connects;
When the acquisition of workpiece three-dimensional stereo model and hierarchy slicing processing to be formed are carried out in step 1, to multiple works to be formed Part (3) carries out three-dimensional stereo model acquisition and hierarchy slicing processing respectively;Wherein, to workpiece (3) to be formed any one described into When row three-dimensional stereo model obtains and hierarchy slicing handles, using data processing equipment and call image processing module acquisition should The three-dimensional stereo model of workpiece (3) to be formed recalls three-dimensional stereo model of the hierarchy slicing module to the workpiece (3) to be formed Hierarchy slicing is carried out, and obtains multiple layering cross-sectional images of the workpiece (3) to be formed;
The height all same of multiple workpiece to be formed (3);The three-dimensional stereo model of multiple workpiece (3) to be formed is divided During layer slice, lift height all same and the quantity all same for obtaining layering cross-sectional image;
When path filling is scanned in step 2, multiple workpiece (3) to be formed are scanned respectively at the filling of path Reason;Wherein, it when path filling processing is scanned to workpiece (3) to be formed any one described, is set using the data processing Standby and calling described image processing module, multiple layering sectional views to the workpiece (3) to be formed obtained in step 1 As being respectively processed, and the scan path filling process in multiple layering sections is completed, obtain multiple layering sections Scan path;
When printing path acquisition is carried out in step 3, multiple workpiece to be formed are obtained using the data processing equipment respectively (3) printing path;Wherein, when obtaining the printing path of any one workpiece (3) to be formed, the data processing equipment is equal According to the scan path in multiple layering sections of the workpiece (3) to be formed obtained in step 2, the work to be formed is obtained The printing paths in multiple layering sections of part (3), and the printing path in each layering section with the layering section Scan path it is identical;
When successively being printed from the bottom to top in step 4, it is synchronous to multiple workpiece (3) to be formed carry out from the bottom to top by Layer printing;
When last layer printing printing is carried out when bottom printing is carried out in step 401 and in step 402, using the beam-plasma Stream system of processing is printed respectively by elder generation to rear current institute's printing shaping layer to multiple workpiece (3) to be formed;It treats more After the completion of current institute's printing shaping layer of a workpiece (3) to be formed prints, then to multiple workpiece (3) to be formed A upper shape layer is printed respectively;
Wherein, using the plasma beam system of processing to current institute's printing shaping of workpiece (3) to be formed any one described When layer is printed, first pass through traveling controller (26) and the electric walking mechanism (25) of multiple print platforms is carried out respectively The print platform printed for the workpiece (3) to be formed is moved to the underface of the plasma beam system of processing by control; At this point, the print platform immediately below the plasma beam system of processing is platform to be controlled;And then using institute Plasma beam system of processing is stated to print current institute's printing shaping layer of the workpiece (3) to be formed.
10. according to the method treated shaping workpiece and carry out rapid shaping described in claim 7 or 8, it is characterised in that:It is described to send Shell of the powder device (14) including being provided with feed inlet and powder feeding mouth and the powder feeding wheel in the shell, the powder feeding wheel by Driving motor (19) is driven;
Each plasma beam processing monitoring device (29) further includes what the plasma generator was controlled Plasma generator controller (7), the detection of gas flow rate unit (11) detected in real time to the gas flow of air supply pipe (5), The gas flow controller (12) that is controlled the flow control valve (6) installed on air supply pipe (5), to power spreading device (2) The Thickness sensitivity unit (18) and the powdering thickness control controlled driving motor (19) that powdering thickness is detected in real time Device (20), the Thickness sensitivity unit (18) connect with powdering gage controller (20), the plasma generator controller (7) with The plasma generator connection, the detection of gas flow rate unit (11) connect with gas flow controller (12);It is described Distance detection unit (8) is connect with gas flow controller (12);
Before successively being printed from the bottom to top in step 4, data processing equipment described in step 1 is first according to the gas pre-established Data on flows library, and with reference to the thickness of the preset shape layer, the base gas flow of air supply pipe (5) is carried out true It is fixed;
Base gas flow of the gas flow data library memory storage needed for there are many shape layer of different thickness;The basis Gas flow is 5ml/min~500ml/min, and the thickness of the shape layer is thicker, and the base gas flow is bigger;
Before any of step 401 plasma beam processing unit (plant) is printed, the gas flow controller (12) According to detection of gas flow rate unit (11) institute's detection information and by controlling flow control valve (6) by the gas stream of air supply pipe (5) Amount is adjusted to the base gas flow;It is described in any of step 401 plasma beam processing unit (plant) print procedure The gas flow of air supply pipe (5) is the base gas flow;
Any of step 4022 plasma beam processing unit (plant) is printed and is synchronized in temperature control process, the gas stream Amount controller (12) is according to detection of gas flow rate unit (11) institute's detection information and combines distance detection unit (8) institute detecting distance Information, and by the way that flow control valve (6) is controlled to be increased and decreased adjustment to the gas flow of air supply pipe (5);Also, the nozzle Outlet is bigger with the distance between horizontal stamp pad (4), and the gas flow of the air supply pipe (5) is bigger.
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