CN105945578B - A kind of compound increasing material manufacturing device of electron beam - Google Patents

A kind of compound increasing material manufacturing device of electron beam Download PDF

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Publication number
CN105945578B
CN105945578B CN201610325928.6A CN201610325928A CN105945578B CN 105945578 B CN105945578 B CN 105945578B CN 201610325928 A CN201610325928 A CN 201610325928A CN 105945578 B CN105945578 B CN 105945578B
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China
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electron beam
processing platform
milling head
material manufacturing
increasing material
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CN201610325928.6A
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CN105945578A (en
Inventor
郭光耀
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Xi'an Zhirong Metal Printing System Co Ltd
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Xi'an Zhirong Metal Printing System Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/04Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations

Abstract

The present invention relates to a kind of compound increasing material manufacturing devices of electron beam, including control system, electron gun and working chamber, have electron beam transmitting/focusing arrangement below the electron gun, further include:Pedestal, wire feeder and milling head.The present invention is molded electron beam fuse and mechanical processing is combined to together, electron beam fuse is molded and mechanical processing subtracts material and combines, while making full use of electron beam rapid shaping advantage, the precision and surface smoothness of part are improved by composite machine processing, overcome the problems, such as caused by traditional secondary clamping, part is realized from scratch until the disposable production process of precision qualification, obtain high-precision part, entirety shortens the production cycle of part, production cost is reduced, providing equipment for batch production supports.

Description

A kind of compound increasing material manufacturing device of electron beam
Technical field
The present invention relates to material increasing field more particularly to a kind of compound increasing material manufacturing devices of electron beam.
Background technology
Increasing material manufacturing (Additive Manufacturing, AM) technology is that the method manufacture gradually to be added up using material is real The technology of body part.Presently, there are metal increases material manufacturing technology there are mainly two types of method:One kind is sintered using powder melts, Such as selective laser deposition (sintering), electron beam selective melting;Another kind be using wire melting stack, as electron beam fuse into Type technology.
Electron beam fuse forming technique shaping speed is fast, simple for process, and compared with other modes, there are certain advantages.But The technology is sent into molten bath using the droplet transfer or directly by silk material (wire), and the wherein droplet transfer or fuse is due to having little time Fusing causes fracture of wire etc., it is understood that there may be piece surface finish deficiency, there are the defects of error for dimensional accuracy, it is difficult to produce essence The higher part of degree, is simply possible to use in the manufacture of blank.To solve this problem, traditional method is by electron beam fuse forming technique Molding part places into lathe and carries out secondary operation to reach precision prescribed.But during secondary operation, part reference point is due to sitting It is made when mark, which changes, to be accurately positioned, be molded rear portion facet completely to be processed and thin-walled workpiece is processed without supporting surface Into the shortcomings of deformation, it is impossible to carry out secondary operation well, high-precision part can not be obtained.
The content of the invention
In view of this, it is necessary to be difficult to produce the higher part of precision, two for above-mentioned electron beam fuse forming technique Secondary processing is there are number of drawbacks, the problem of can not also obtaining precision high part, provides a kind of electron beam compound increasing material manufacturing device.
The compound increasing material manufacturing device of a kind of electron beam provided by the invention, including control system, electron gun and working chamber, institute Stating has electron beam transmitting/focusing arrangement below electron gun, further include:Pedestal, wire feeder and milling head;The pedestal is set In in the working chamber, top is provided with processing platform, the movement or rotation of the processing platform multi-directionally, the electron beam Transmitting/focusing arrangement, wire feeder and milling head are arranged on above the processing platform, and the wire feeder send wire Above to the processing platform, the electron beam transmitting/focusing arrangement carries out the wire for being located at the wire feeder front end Multi-faceted melting stacks to form single-layer or multi-layer approximation body, and the milling head is right when approximate body needs mechanical processing The approximate body that the processing platform transmission comes carries out Milling Process.
In one of which embodiment, the processing platform using processing platform plane as horizontal plane, can carry out it is front and rear, It controls and moves up and down vertically, can also be rotated horizontally and perpendicular is overturn.
In one of which embodiment, the processing platform is moved to the milling head fixed point position in left-right direction It puts, completes comprehensive Milling Process.
In one of which embodiment, the milling head is arranged in the working chamber, including milling cutter and Rotate the rotation axis of arrangement;The rotation axis connection external drive motors, the milling cutter is connected with to be driven by driving motor The connecting shaft of rotation, the connecting shaft rotation are arranged in rotation axis.
In one of which embodiment, described device further includes vacuum system;The vacuum system is needing to take out very The working chamber is vacuumized when empty.
In one of which embodiment, described device further includes cooling system, and the cooling system is used for described Milling head carries out cooling by the inert gas for cycling.
In one of which embodiment, the cooling system includes protective gas pipeline and cutter head scavenger system;Institute It states protective gas pipeline to connect with cutter head scavenger system, connects inert gas source, inside is filled with inert gas, the protection Gas piping provides gas shield environment for mechanical processing process, and the scavenger system is used to carry out cooling to milling head.
In one of which embodiment, the inert gas is argon gas or nitrogen.
Electron beam fuse is molded and mechanical processing is combined to together by the compound increasing material manufacturing device of electron beam of the present invention, will Electron beam fuse is molded and mechanical processing subtracts material combination, while making full use of electron beam rapid shaping advantage, passes through compounding machine Tool, which is processed, improves the precision and surface smoothness of part, overcome thes problems, such as caused by traditional secondary clamping, realize part from Without to there is the disposable production process until precision qualification, high-precision part is obtained, integrally shortens the production week of part Phase reduces production cost, and providing equipment for batch production supports.
Meanwhile the high-quality part that exists for obtaining of vacuum system provides condition, avoids inside institute's forming parts The problem of cavity can not eliminate.The setting of cooling system can radiate for mechanical processing process in time, further to ensure The acquisition of high-quality part.
Description of the drawings
Fig. 1 is the structure chart of the compound increasing material manufacturing device of electron beam in one embodiment.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not For limiting the present invention.
Fig. 1 is the structure chart of the compound increasing material manufacturing device of electron beam in one embodiment, as shown in Figure 1, the electron beam Compound increasing material manufacturing device includes control system 100, electron gun 200 and working chamber 300, and 200 lower section of electron gun has electron beam Transmitting/focusing arrangement, further includes:Pedestal 400, wire feeder 500, milling head 600, vacuum system 700 and cooling system 800.Pedestal 400 is arranged in working chamber 300, and top is provided with processing platform 410, the movement of 410 multi-directionally of processing platform Or it rotates.Electron beam transmitting/focusing arrangement, wire feeder 500 and milling head 600 are arranged on 410 top of processing platform.Wire feed Mechanism 500 send wire to 410 top of processing platform.Electron beam transmitting/focusing arrangement is to being located at 500 front end of wire feeder Wire carries out multi-faceted melting and stacks to form single-layer or multi-layer approximation body (to be manufactured go out part).Milling head 600 exists When approximate body needs mechanical processing, the approximate body come to the transmission of processing platform 410 carries out Milling Process.Vacuum system 700 Working chamber 300 is vacuumized when needing to vacuumize.Cooling system 800 is used for the inert gas for passing through cycling to milling head 600 Carry out cooling.
In the embodiment, processing platform 410 is around can carrying out and vertical using 410 plane of processing platform as horizontal plane It moves up and down, can be rotated horizontally and perpendicular is overturn.Coordinate system is built by horizontal plane of 410 plane of processing platform, Processing platform 410 can be mobile along X-axis (left and right), Y-axis (front and rear) and Z axis (vertical up and down), can also carry out A axis (horizontal rotation) and C axis (perpendicular) rotates.It so allows for processing platform 410 and can tune to any attitude, angle and gradient, convenient for metal Silk carries out multi-faceted melting and stacks to form single-layer or multi-layer approximation body, also allows for Milling Process.Machine is needed in approximate body When tool is processed, processing platform 410 is moved to 600 fixed position of milling head along X-axis (left and right) direction, by tilting, turning round, rising Drop, completes comprehensive Milling Process.
Milling head 600 is arranged in working chamber 300, including milling cutter and rotates the rotation axis arranged, rotation axis connects Connect external drive motors.Milling cutter is connected with the connecting shaft rotated by driving motor driving, and connecting shaft rotation is arranged in rotation In axis.
For vacuum system 700 before electron beam transmitting/focusing arrangement carries out melting stacking to wire, start-up operation makes work Make to reach regulation pressure in chamber 300, and working chamber 300 is carried out again to vacuumize work after approximate body mechanical processing Make.In this way, the acquisition for existing for high-quality part of vacuum system 700 provides condition, the one of institute's forming parts are avoided The problem of a little interior voids can not eliminate.
Cooling system 800 includes protective gas pipeline 810 and cutter head scavenger system 820, protective gas pipeline 810 and knife Head scavenger system 820 connects, and connects inert gas source, and inside is respectively used to filled with inert gas as mechanical processing process Gas shield environment is provided and cooling is carried out to milling head 600.Further, inert gas can be argon gas, nitrogen Or other inert gases and its mixture, and be persistently filled with.It is milling due to the inert gas for having cooling system 800 to provide Xun Huan It cuts first 600 and carries out cooling, take away heat, be conducive to the formation of approximate body.
When being machined, path planning is pressed by processing platform 410 for the compound increasing material manufacturing device of the electron beam 600 lower section of milling head is moved to, rotation tilts face to be processed to 600 fixed position of milling head.By 600 pairing approximation body of milling head It is processed, so as to be molded electron beam fuse and mechanical processing is combined to together, electron beam fuse is molded and is machined Subtract material combination, while making full use of electron beam rapid shaping advantage, by composite machine processing improve part precision and Surface smoothness is overcome the problems, such as caused by traditional secondary clamping, realizes part from scratch until precision is qualified once Property production process, obtain high-precision part, integrally shorten the production cycle of part, reduce production cost, for batch Production provides equipment support.
Meanwhile the high-quality part that exists for obtaining of vacuum system provides condition.The setting of cooling system can be timely It radiates for mechanical processing head, further ensure that the acquisition of high-quality part.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and All any modification, equivalent and improvement made within principle etc., should all be included in the protection scope of the present invention.

Claims (5)

1. a kind of compound increasing material manufacturing device of electron beam, including control system, electron gun and working chamber, tool below the electron gun There is electron beam transmitting/focusing arrangement, which is characterized in that further include:Pedestal, wire feeder and milling head;The pedestal is arranged at In the working chamber, top is provided with processing platform, the movement or rotation of the processing platform multi-directionally, the electron beam hair Penetrate/focusing arrangement, wire feeder and milling head be arranged on above the processing platform, the wire feeder by wire send to Above the processing platform, the electron beam transmitting/focusing arrangement carries out the wire for being located at the wire feeder front end more The melting in orientation stacks to form single-layer or multi-layer approximation body;
The compound increasing material manufacturing device of electron beam when being machined, is moved by processing platform by path planning To milling head lower section, rotation tilts face to be processed to milling head fixed position, and the milling head needs machinery to add in approximate body Man-hour, the approximate body come to processing platform transmission carry out Milling Process;
Described device further includes vacuum system;The vacuum system vacuumizes the working chamber when needing to vacuumize, described Before electron beam transmitting/focusing arrangement carries out melting stacking to wire, start-up operation makes to reach in working chamber vacuum system It provides pressure, and working chamber is carried out again to vacuumize work after approximate body mechanical processing;
The processing platform is moved up and down, can also carried out using processing platform plane as horizontal plane around can carrying out and vertically It rotates horizontally and perpendicular is overturn;
The processing platform is moved to the milling head fixed position in left-right direction, completes comprehensive Milling Process.
2. the compound increasing material manufacturing device of electron beam according to claim 1, which is characterized in that the milling head is arranged on institute It states in working chamber, including milling cutter and rotates the rotation axis arranged;The rotation axis connection external drive motors, the milling Cutting knife tool is connected with the connecting shaft rotated by driving motor driving, and the connecting shaft rotation is arranged in rotation axis.
3. the compound increasing material manufacturing device of electron beam according to claim 1, which is characterized in that described device further includes heat dissipation System, the cooling system carry out cooling for the milling head by the inert gas for cycling.
4. the compound increasing material manufacturing device of electron beam according to claim 3, which is characterized in that the cooling system includes protecting Protect gas piping and cutter head scavenger system;The protective gas pipeline is connected with cutter head scavenger system, connects inert gas source, Filled with inert gas, the protective gas pipeline provides gas shield environment, the system of blowing for mechanical processing process for inside System is for milling head progress cooling.
5. the compound increasing material manufacturing device of electron beam according to claim 4, which is characterized in that the inert gas is argon gas Or nitrogen.
CN201610325928.6A 2016-05-17 2016-05-17 A kind of compound increasing material manufacturing device of electron beam Active CN105945578B (en)

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CN108472776B (en) 2016-11-04 2019-11-22 山崎马扎克公司 Complex machining device and combined machining method
CN106825567B (en) 2017-01-22 2018-12-11 清华大学 Electron beam selective melting and electron beam cut compound increasing material manufacturing method
CN106862568A (en) * 2017-02-23 2017-06-20 西北工业大学 Increase and decrease material composite manufacturing apparatus and method based on electron beam fuse
CN106984894B (en) * 2017-03-14 2019-08-23 西安智熔金属打印系统有限公司 The electron beam fuse of vector wire feed increases material device
US20180345379A1 (en) * 2017-05-31 2018-12-06 General Electric Company Apparatus and method for real-time simultaneous additive and subtractive manufacturing
CN109746546B (en) * 2019-02-12 2020-08-04 上海交通大学 Metal semi-molten stacking additive manufacturing method and equipment
CN111151744A (en) * 2019-12-03 2020-05-15 汕头大学 EBM and femtosecond laser-based cutting integrated additive manufacturing equipment and method
CN111992719B (en) * 2020-11-02 2021-02-23 西安欧中材料科技有限公司 Efficient additive manufacturing system and preparation method for steel-titanium composite material fuse wire
CN112848311A (en) * 2021-01-07 2021-05-28 鑫精合激光科技发展(北京)有限公司 Multi-epitaxial-structure part additive manufacturing method, equipment and system

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