CN104815985A - Micro beam plasma 3D (three dimensional) printing device and method - Google Patents

Micro beam plasma 3D (three dimensional) printing device and method Download PDF

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Publication number
CN104815985A
CN104815985A CN201510194623.1A CN201510194623A CN104815985A CN 104815985 A CN104815985 A CN 104815985A CN 201510194623 A CN201510194623 A CN 201510194623A CN 104815985 A CN104815985 A CN 104815985A
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China
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plasma
printing
straight line
line driving
micro
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CN201510194623.1A
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Chinese (zh)
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CN104815985B (en
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杨永强
刘洋
林辉
王迪
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华南理工大学
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Abstract

The invention discloses a micro beam plasma 3D (three dimensional) printing device and a micro beam plasma 3D printing method. The micro beam plasma 3D printing device comprises a plasma processing device, a central control system, a shaping chamber, a work platform, a numerical control main shaft, a drive device and a powder feeding device. The plasma processing device comprises a plasma power source, a plasma generator, a plasma arc pressure increasing device, a plasma gun, a work gas circuit and a cooling water circuit. The plasma generator, the plasma arc pressure increasing device, the plasma gun, the work gas circuit and the cooling water circuit form a plasma processing integration unit. When the micro beam plasma 3D printing device is used in processing, the numerical control main shaft clamps the plasma processing integration unit, and is driven by the drive device to move in the XYZ direction, and the work platform moves up and down, and achieves feeding in the X direction. According to the micro beam plasma 3D printing device and the micro beam plasma 3D printing method, micro beam plasma is used as a hot source of melting metal material in metal 3D printing, and the industrial grade metal part 3D printing device high in efficiency and low in cost can be obtained on the premise that shaping accuracy similar to that in a laser 3D printing technology is guaranteed.

Description

A kind of microplasma 3D printing device and method
Technical field
The present invention relates to metal parts and increase material manufacturing technology field, particularly relate to a kind of microplasma 3D printing device and method.
Background technology
3D printing device is integrated with the technology such as optics, precision drive, new material, CAD/CAM, by the meticulous high-energy-density focal beam spot of tens microns, selection area on by-line overlap joint scanning new paving bisque, after forming surface profile, layer and layer pile up shaping manufacture, thus directly obtain almost arbitrary shape, there is the metal function part of complete metallurgical binding, density can reach intimate 100%, and its advantage is mainly manifested in:
1) adopt Layered Manufacturing Technology, profiled member by the impact of geometry complexity, can directly not manufacture any complicated forming metal parts, easily manufactured for personalise small series complex product;
2) directly make terminal metal product, because energy density is higher, can directly be processed into terminal metal product to fusing point height difficult processing metal;
3) forming metal parts is the entity with metallurgical binding, and its relative density almost reaches 100%, and performance exceedes conventional cast part.
Current metal 3D printing device is on the market all mainly adopt laser instrument as the thermal source of molten material, it is not only expensive that (200W optical fiber laser price is about 220,000 yuan, 1000W price is at about 850,000 yuan), safeguard that complicated (optical fiber is very fragile, very easily damage, harsh to the requirement of working environment).Thermal source deflection mainly contains two kinds of modes at present, and one drives optical path-deflecting by scanning galvanometer, and another kind drives shower nozzle pointwise by-line to scan by mechanical guide, completes flat scanning.The former is limited to optical system, the maximum forming area 250 × 250mm of single galvanometer.Shaping heavy parts then needs many laser many scanning galvanometers compounds.Above reason causes metal 3D printing device expensive, and Operation and Maintenance is complicated, is unfavorable for the popularization of 3D printing technique, therefore needs exploitation a kind of low cost, high efficiency metal 3D printing device badly.
Summary of the invention
The object of the invention is to the shortcoming and defect overcoming above-mentioned prior art, a kind of low cost, high efficiency microplasma 3D printing device and method are provided.
The present invention is achieved through the following technical solutions:
A kind of microplasma 3D printing device, comprises sealing moulding room, moulding cylinder, plasma process device, central control system; Described moulding cylinder and plasma process device are controlled by central control system, drive unit is provided with above sealing moulding indoor, moulding cylinder, described drive unit comprises drive unit pedestal 15, drive unit pedestal 15 is provided with Z-direction straight line driving mechanism 14, Z-direction straight line driving mechanism 14 is provided with X-direction straight line driving mechanism 12, and X-direction straight line driving mechanism 12 is provided with Y-direction straight line driving mechanism 13;
Described plasma process device comprises plasma process integrated unit 7 and plasma gun 9;
Described Y-direction straight line driving mechanism 13 is provided with numerical control main axle 8, and the end of numerical control main axle 8 connects plasma process integrated unit 7 and plasma gun 9 successively.
Described numerical control main axle 8 is moved at X and Y-direction by X-direction straight line driving mechanism 12 and Y-direction straight line driving mechanism 13; Described numerical control main axle 8, in the lifting of Z-direction, is driven by Z-direction straight line driving mechanism 14.
Described plasma process device also comprises and is arranged on sealing moulding outdoor: plasma generator controller 1, inert gas bottle 2, plasma process dust feeder 5 and plasma gun water cooling unit 6.
Described moulding cylinder comprises the lift drive mechanism 16 of workbench 11 and workbench 11.
By the cad model layering of part 10, then generation pass code, central control system, according to this path code, sends control instruction to drive unit, numerical control main axle 8 drives plasma gun 9 in X-direction and Y-direction rectilinear movement, carries out scanning filling to part 10 to be processed.
3D printing device of the present invention adopts numerical control guide rail type of drive, overcomes the size restriction of optical system, can expand shaping accessory size, ensure formed precision simultaneously.
Relative to laser instrument, the plasma that the present invention adopts is a kind of metal material processing thermal source of cheapness, technical grade metal 3D printing device that is efficient, low cost can be obtained, be conducive to direct manufacture metal 3D printing device being applied to the large complicated parts such as automobile, shipbuilding, biologic medical, industrial mould.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is driving device structure schematic diagram of the present invention.
In figure: plasma generator controller 1; Inert gas bottle 2; Work gas circuit 3; Plasma powder feeding gas circuit 4; Plasma process dust feeder 5; Plasma gun water cooling unit 6; Plasma process integrated unit 7; Numerical control main axle 8; Plasma gun 9; Part 10; Workbench 11; X-direction straight line driving mechanism 12; Y-direction straight line driving mechanism 13; Z-direction straight line driving mechanism 14; Drive unit pedestal 15; Lift drive mechanism 16.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is more specifically described in detail.
Embodiment
As shown in Figure 1, 2.A kind of microplasma 3D of the present invention printing device, comprises sealing moulding room, moulding cylinder, plasma process device, central control system; Described moulding cylinder and plasma process device are controlled by central control system; Drive unit is provided with above sealing moulding indoor, moulding cylinder, described drive unit comprises drive unit pedestal 15, drive unit pedestal 15 is provided with Z-direction straight line driving mechanism 14, Z-direction straight line driving mechanism 14 is provided with X-direction straight line driving mechanism 12, and X-direction straight line driving mechanism 12 is provided with Y-direction straight line driving mechanism 13;
Described plasma process device comprises plasma process integrated unit 7 and plasma gun 9;
Described Y-direction straight line driving mechanism 13 is provided with numerical control main axle 8, and the end of numerical control main axle 8 connects plasma process integrated unit 7 and plasma gun 9 successively.Plasma gun 9 numerical control main axle 8 clamps, and by dismantling, maintains easily.
Described numerical control main axle 8 is moved at X and Y-direction by X-direction straight line driving mechanism 12 and Y-direction straight line driving mechanism 13; Described numerical control main axle 8, in the lifting of Z-direction, is driven by Z-direction straight line driving mechanism 14, realizes numerical control main axle 8 initial alignment.
Described plasma process device also comprises and is arranged on sealing moulding outdoor: plasma generator controller 1 (plasm control system), inert gas bottle 2, plasma process dust feeder 5 and plasma gun water cooling unit 6, gas ions power supply, plasma arc voltage Height-adjusting device
Described moulding cylinder comprises the lift drive mechanism 16 of workbench 11 and workbench 11.Workbench 11 moves up and down, and realizes the feeding of Z-direction.
Described plasma process dust feeder 5 comprises and being made up of powder bucket, powder feeding pipe, powder feeding gas, and powder feeding gas adopts inert gas, and powder feeding rate is controlled by powder feeding air-flow size.Powder is divided into 6 symmetrical tunnels after being sent to plasma spraying gun, and keeps coaxially converging with plasma arc.Described powder bucket passes into gas, and to powder certain pressure, leak evenly, and can add powder in forming process, need not shut down under ensureing powder, work whole process can realize adding powder at any time.
By the cad model layering of part 10, then generation pass code, central control system, according to this path code, sends control instruction to drive unit, numerical control main axle 8 drives plasma gun 9 in X-direction and Y-direction rectilinear movement, carries out scanning filling to part 10 to be processed.
As mentioned above, just the present invention can be realized preferably.
Embodiments of the present invention are not restricted to the described embodiments; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.

Claims (5)

1. a microplasma 3D printing device, comprises sealing moulding room, moulding cylinder, plasma process device, central control system; Described moulding cylinder and plasma process device are controlled by central control system, it is characterized in that:
Drive unit is provided with above sealing moulding indoor, moulding cylinder, described drive unit comprises drive unit pedestal (15), drive unit pedestal (15) is provided with Z-direction straight line driving mechanism (14), Z-direction straight line driving mechanism (14) is provided with X-direction straight line driving mechanism (12), and X-direction straight line driving mechanism (12) is provided with Y-direction straight line driving mechanism (13);
Described plasma process device comprises plasma process integrated unit (7) and plasma gun (9);
Described Y-direction straight line driving mechanism (13) is provided with numerical control main axle (8), and the end of numerical control main axle (8) connects plasma process integrated unit (7) and plasma gun (9) successively.
2. microplasma 3D printing device according to claim 1, is characterized in that, described numerical control main axle (8) is moved at X and Y-direction by X-direction straight line driving mechanism (12) and Y-direction straight line driving mechanism (13); Described numerical control main axle (8), in the lifting of Z-direction, is driven by Z-direction straight line driving mechanism (14).
3. microplasma 3D printing device according to claim 2, it is characterized in that, described plasma process device also comprises and is arranged on sealing moulding outdoor: plasma generator controller (1), inert gas bottle (2), plasma process dust feeder (5) and plasma gun water cooling unit (6).
4. microplasma 3D printing device according to any one of claim 1 to 3, is characterized in that, described moulding cylinder comprises the lift drive mechanism (16) of workbench (11) and workbench (11).
5. the Method of printing of microplasma 3D printing device according to any one of Claims 1-4, is characterized in that following steps:
By the cad model layering of part (10), then generation pass code, central control system is according to this path code, control instruction is sent to drive unit, numerical control main axle (8) drives plasma gun (9) in X-direction and Y-direction rectilinear movement, carries out scanning filling to part (10) to be processed.
CN201510194623.1A 2015-04-22 2015-04-22 A kind of microplasma 3D printing apparatus and method for Active CN104815985B (en)

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CN105522154A (en) * 2016-03-03 2016-04-27 中研智能装备有限公司 Plasma 3D (three-dimensional) fast forming equipment and method for rollers
CN105543768A (en) * 2016-03-03 2016-05-04 中研智能装备有限公司 Plasma 3D printing remanufacturing equipment and method for roller
CN105543769A (en) * 2016-03-03 2016-05-04 中研智能装备有限公司 Plasma 3D quick-forming remanufacturing equipment and method for roller
CN105618753A (en) * 2016-03-03 2016-06-01 中研智能装备有限公司 Roll plasma 3D printing remanufacturing device and method
CN105642895A (en) * 2016-03-03 2016-06-08 中研智能装备有限公司 Plasma 3D printing remanufacturing equipment and method for mold
CN105642896A (en) * 2016-03-03 2016-06-08 中研智能装备有限公司 Plasma 3D printing equipment and method for roller
CN105665702A (en) * 2016-03-03 2016-06-15 中研智能装备有限公司 Mold plasma 3D printing device and 3D printing method
CN105689713A (en) * 2016-03-03 2016-06-22 中研智能装备有限公司 Die plasma cladding direct remanufacturing equipment and remanufacturing method
CN105689714A (en) * 2016-03-03 2016-06-22 中研智能装备有限公司 Die plasma 3D rapid molding equipment and molding method
CN105689715A (en) * 2016-03-03 2016-06-22 中研智能装备有限公司 Mold plasma 3D rapid prototyping remanufacturing device and method
CN105710371A (en) * 2016-03-03 2016-06-29 中研智能装备有限公司 Plasma 3D printing remanufacturing equipment and method for train wheel
CN105710367A (en) * 2016-03-03 2016-06-29 中研智能装备有限公司 Roller plasma 3D printing equipment and method
CN105750542A (en) * 2016-03-03 2016-07-13 中研智能装备有限公司 Mould plasma 3D printing equipment and mould plasma 3D printing method
CN105834428A (en) * 2016-05-30 2016-08-10 重庆理工大学 Laser three-dimensional fast forming and manufacturing method based on micro arc powder carrying
CN105922574A (en) * 2015-11-17 2016-09-07 中研智能装备有限公司 Plasma fusion covering manufacture 3D printing equipment and method
CN105922570A (en) * 2015-11-17 2016-09-07 中研智能装备有限公司 Selective plasma melting rapid prototyping equipment and rapid prototyping method
CN105922568A (en) * 2015-11-17 2016-09-07 中研智能装备有限公司 Plasma casting rapid molding equipment and rapid molding method
CN105922573A (en) * 2015-11-17 2016-09-07 中研智能装备有限公司 Plasma 3D printing equipment and 3D printing method
CN105922569A (en) * 2015-11-17 2016-09-07 中研智能装备有限公司 Plasma fusion covering manufacture rapid molding equipment and molding method
CN105921750A (en) * 2015-11-17 2016-09-07 中研智能装备有限公司 Plasma casting and rapid prototyping device and prototyping method
CN105922566A (en) * 2015-11-17 2016-09-07 中研智能装备有限公司 Plasma fusion covering direct manufacture 3D printing equipment and method
CN105921749A (en) * 2015-11-17 2016-09-07 中研智能装备有限公司 Plasma casting and rapid prototyping device and rapid prototyping method
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CN105922567A (en) * 2015-11-17 2016-09-07 中研智能装备有限公司 Selective plasma melting rapid prototyping equipment and method
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