CN106392290B - Electron beam processing system and method for multi-electron beam center wire feeding - Google Patents
Electron beam processing system and method for multi-electron beam center wire feeding Download PDFInfo
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- CN106392290B CN106392290B CN201611039005.0A CN201611039005A CN106392290B CN 106392290 B CN106392290 B CN 106392290B CN 201611039005 A CN201611039005 A CN 201611039005A CN 106392290 B CN106392290 B CN 106392290B
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- electron beam
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- wire feeding
- wire feed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/0026—Auxiliary equipment
Abstract
The invention discloses an electron beam processing system and a processing method for multi-electron beam center wire feeding, which comprises the following steps: the electron beam guns comprise an electron beam generating system, an electron beam accelerating system, an electron beam gathering system and an electron beam deflection system, the wire feeding system comprises a wire feeding pipe and a wire feeding nozzle, the wire feeding nozzle is connected to the lower portion of the wire feeding pipe, the wire feeding pipe and the wire feeding nozzle are arranged on a central structural axis, and the electron beam guns are distributed along the circumferential average dot matrix of the central axis. The invention can ensure the isotropy of the electron beam on the surface of the workpiece, improve the uniformity of the quality of the processed workpiece, ensure the continuous and uninterrupted processing process, and ensure that the electron beam gun structure and the central wire feeding structure do not interfere with each other, thereby being applicable to the electron beam processing fields of electron beam welding, electron beam cladding, electron beam metal 3D printing and the like.
Description
Technical field
The invention belongs to electron beam process field, it can be used for electron beam welding, the process such as cladding and metal 3D printing,
The electron beam process system and processing method of a kind of multi electron beam center wire feed are especially provided.
Background technique
The principle of electron beam process: being electron beam and required molten metal material while being sent to Working position, so that
Metal material is uniform in workpiece surface, and accurately, continuous uninterrupted, the metal material conveyed melts simultaneously under the strike of electron beam
Molten bath is formed, the process completing the rapid melting of material and coagulating fastly, thus realize the welding of electron beam, cladding and metal 3D printing
Etc. process.It is main by the way of gravity powder feeding and lateral wire feed both at home and abroad.
As shown in figure 3, it is flat that gravity dust feeder is included in 1 side of electron beam gun for than more typical gravity powder feeding structure
The powder feeding pipe 8 being distributed is additionally provided with vibrator or rotary flow controller 9 and storage powder for the uniformity for guaranteeing powder feeding rate
Container 10.In process, electron beam 3 gets to 5 surface of workpiece after accelerating to focus, and kinetic energy is converted into thermal energy, 5 table of workpiece
Face forms molten bath 6, while powder 11 is sent into molten bath 6 by powder feeder.The cost of gravity powder feeder is low, and production is simple, control behaviour
It is easy, while can guarantee the consistency of electron beam processing effect when scanning along different directions, therefore in electron beam process
It is relatively conventional in the process, but gravity powder feeder is unable to accurately control the uniformity of powder feeding, and powder using efficiency is also very low, warp
The phenomenon that often will appear stifled powder, needs to break vacuum and is cleared up, unmelted which greatly enhances the cost of workpieces processing under vacuum
The powder of change sticks the processing quality that workpiece is influenced in workpiece surface, these disadvantages are all problems anxious to be resolved.
As shown in figure 4, lateral wire feeder, which can be controlled accurately, is sent into the equal of metal material compared with gravity automatic powder feeding system
Even property, stock utilization improves, and the Costco Wholesale of silk material 12 is relatively low with respect to powder, and lateral wire feed system substantially improves
The shortcomings of gravity powder feeding.There is also larger disadvantages for lateral wire feed system, in process, the acceleration of the process of electron beam 3,
It focuses, get to 5 surface of workpiece after deflection, form molten bath 6, while the former wire feed system 13 angled with electron beam send silk
Enter in molten bath 6.Due to the inhomogeneities of the Energy distribution of electron beam spot, silk material acquired energy in molten bath is different, thus
The shape for causing molten bath to solidify, size, the difference of surface roughness etc. largely effect on the processing quality of workpiece.
Summary of the invention
The purpose of the present invention is to provide a kind of electron beam process system of multi electron beam center wire feed and processing methods, real
Existing multiple electron beam guns be averaged dot matrix distribution along central axis circumference, and in process, electron beam is in different directions for guarantee
The uniformity of Energy distribution and the consistency of processing quality, the alignment of metal wire material and electron beam is more easier, in process
Wire feed system is non-interference with electron beam system, process continuous-stable.
The technical scheme is that a kind of electron beam process system of multi electron beam center wire feed, comprising: multiple electronics
Beam rifle 1 and wire feed system 2, the electron beam gun 1 are poly- including electron-beam generating system 1a, electron beam acceleration system 1b, electron beam
Collecting system 1c and electron-beam deflection system 1d, the wire feed system 2 include wire-feeding pipe 2a and wire feeding mouth 2b, the wire feeding mouth 2b company
It is connected to the lower part wire-feeding pipe 2a, the wire-feeding pipe 2a and wire feeding mouth 2b are set on structure centre axis, the multiple 1 edge of electron beam gun
Central axis circumference be averaged dot matrix distribution.
Preferably, 1 quantity of electron beam gun is 2,3 or 4.
Preferably, the electron beam lens system 1c includes one or more focus coils.
Preferably, the electron-beam deflection system 1d includes one or more deflection coils.
Preferably, the electron beam process system further includes control cabinet, and glow discharge power supply, height are equipped in the control cabinet
Voltage source, focusing power supply and deflection power.
A kind of electron beam process method generates a large amount of electronics by electron-beam generating system 1a, and electron beam 3 passes through permanent magnet 4
Accelerate after focusing using electron beam acceleration system 1b, the electron beam after acceleration is using electron beam lens system 1c and electron beam
Deflection system 1d is issued from electron beam gun 1 after being focused and deflecting, and is got to a bit on workpiece 5, is converted kinetic energy into heat
Can, to form molten bath 6, wire 7 is sent into molten bath 6 by wire-feeding pipe 2a and wire feeding mouth 2b, multi electron beam center wire feed
Electron beam process system is fixed, and the process of electron beam is realized by the movement of workbench or manipulator.
The present invention has following beneficial effect:
The invention can ensure that workpiece surface formed molten bath when molten bath in energy distribution of laser it is preferable, structure is simple,
Operation control is easy, and maintenance maintenance is at low cost, and electron beam is non-interference with wire feed system, it can be ensured that the smooth of processing stablizes fortune
Row.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of electron beam process system of the present invention；
Fig. 2 is the structure chart of electron beam gun in the present invention；
Fig. 3 is existing gravity dust feeder the schematic diagram of the section structure；
Fig. 4 is existing side wire feeder the schematic diagram of the section structure；
In figure: 1, electron beam gun；1a, electron-beam generating system；1b, electron beam acceleration system；1c, electron beam aggregation system
System；1d, electron-beam deflection system；2, wire feed system；2a, wire-feeding pipe；2b, wire feeding mouth；3, electron beam；4, permanent magnet；5, workpiece；
6, molten bath；7, wire；8, powder feeding pipe；9, vibrator or rotary flow controller；10, powder container is stored up；11, powder；12, silk
Material；13, former wire feed system；14, center line axis.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in Figs. 1-2, a kind of electron beam process system of multi electron beam center wire feed, comprising: multiple 1 Hes of electron beam gun
Wire feed system 2, electron beam gun 1 include electron-beam generating system 1a, electron beam acceleration system 1b, electron beam lens system 1c and electricity
Beamlet deflection system 1d, wire feed system 2 include wire-feeding pipe 2a and wire feeding mouth 2b, and wire feeding mouth 2b is connected to the lower part wire-feeding pipe 2a, send
Fiber tube 2a and wire feeding mouth 2b be set to structure centre axis on, multiple electron beam guns 1 along central axis circumference be averaged dot matrix be distributed.
Electron-beam generating system 1a is made of hollow cathode and cylindricality anode, and gas is passed through into hollow cathode, and gas exists
Low pressure acts on lower glow discharge and generates electronics, and electron beam acceleration system 1b is made of emitting cathode and transmitting anode, at them
Between accelerate plus high pressure (30KV) electronics that can will run out of hollow cathode, the focus coil of electron beam lens system 1c is that will accelerate
Electron focusing is a point, and energy is focused on a point to reach, and the deflection coil of electron-beam deflection system 1d is by institute
It focuses electronics and does deflection processing, so that electron beam be enable accurately to get to Working position and the wire feed position of institute's workpieces processing.
Electron beam process system further includes control cabinet, is equipped with glow discharge power supply, high voltage power supply, focusing power supply in control cabinet
And deflection power.
Electron beam process method based on the above electron beam process system are as follows: gas is put by electron-beam generating system 1a
Electricity generates a large amount of electronics, and electron beam 3 accelerates after the focusing of permanent magnet 4 using electron beam acceleration system 1b, the electricity after acceleration
Beamlet using electron beam lens system 1c carry out twice focus after enter deflection area, using electron-beam deflection system 1d into
After the primary deflection of row, electron beam 3 is run out of out of electron beam gun 1, and 5 surface of workpiece is arrived in bombardment, and the kinetic energy of high-velocity electrons is converted into heat
Can, to make the surface melting of workpiece 5 and form molten bath 6 at wire feeding mouth 2b, while wire 7 passes through wire-feeding pipe 2a and wire feed
Mouth 2b is sent into molten bath 6, and the electron beam process system of multi electron beam center wire feed is fixed, passes through workbench or manipulator
Movement realize the process of electron beam.
Shape driving Four-axis milling platform movement of the drive system according to required printing workpiece, wire feed system in process
2 are sent into wire 7 in molten bath 6, and continuous uniform is uninterrupted, due to scanning wire simultaneously by two rifles and the above electron beam gun 1
7, make silk material in the central energy homogeneity range of multi electron beam 3, the received heat of wire 7 is more uniform, to guarantee to be printed
The consistency of each position quality of metal, successively printing deposits, to realize that metal 3D printing forms.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of electron beam process system of multi electron beam center wire feed characterized by comprising multiple electron beam guns (1) and
Wire feed system (2), the electron beam gun (1) include that electron-beam generating system (1a), electron beam acceleration system (1b), electron beam are poly-
Collecting system (1c) and electron-beam deflection system (1d), the wire feed system (2) include wire-feeding pipe (2a) and wire feeding mouth (2b), described
Wire feeding mouth (2b) is connected to the lower part wire-feeding pipe (2a), and the wire-feeding pipe (2a) and wire feeding mouth (2b) are set on structure centre axis,
The multiple electron beam gun (1) along central axis circumference be averaged dot matrix distribution；The electron beam gun (1) further includes permanent magnet (4),
The electron-beam generating system (1a) generates a large amount of electronics to gas discharge, and electron beam (3) is after the permanent magnet (4) focus
Accelerate using the electron beam acceleration system (1b).
2. a kind of electron beam process system of multi electron beam center wire feed described in accordance with the claim 1, which is characterized in that described
Electron beam gun (1) quantity is 2,3 or 4.
3. a kind of electron beam process system of multi electron beam center wire feed described in accordance with the claim 1, which is characterized in that described
Electron beam lens system (1c) includes one or more focus coils.
4. a kind of electron beam process system of multi electron beam center wire feed described in accordance with the claim 1, which is characterized in that described
Electron-beam deflection system (1d) includes one or more deflection coils.
5. a kind of electron beam process system of multi electron beam center wire feed described in accordance with the claim 1, which is characterized in that described
Electron beam process system further includes control cabinet, and glow discharge power supply, high voltage power supply, focusing power supply and partially are equipped in the control cabinet
Turn power supply.
6. a kind of processing method of the electron beam process system of multi electron beam center wire feed based on claim 1, feature exist
In by a large amount of electronics of electron-beam generating system (1a) generation, electron beam (3) is after permanent magnet (4) focus using electronics
Beam acceleration system (1b) accelerates, and the electron beam after acceleration is using electron beam lens system (1c) and electron-beam deflection system (1d)
It is issued from electron beam gun (1) after being focused and deflecting, gets to a bit on workpiece (5), convert kinetic energy into thermal energy, thus
It is formed molten bath (6), wire (7) is sent into molten bath (6) by wire-feeding pipe (2a) and wire feeding mouth (2b), multi electron beam center wire feed
Electron beam process system it is fixed, pass through the movement of workbench or manipulator to realize the process of electron beam；Institute
State electron beam gun (1) be it is multiple, the multiple electron beam gun (1) along central axis circumference be averaged dot matrix be distributed.
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| CN201611039005.0A CN106392290B (en) | 2016-11-21 | 2016-11-21 | Electron beam processing system and method for multi-electron beam center wire feeding |
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| CN201611039005.0A CN106392290B (en) | 2016-11-21 | 2016-11-21 | Electron beam processing system and method for multi-electron beam center wire feeding |
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| CN106392290B true CN106392290B (en) | 2019-02-19 |
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| RU2804862C1 (en) * | 2022-12-27 | 2023-10-06 | федеральное государственное автономное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" | Method of electron beam surfacing of metal with heat input control |
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| CN110508918A (en) * | 2019-09-06 | 2019-11-29 | 中国航空制造技术研究院 | A kind of electron beam increases fuse material manufacturing device and method |
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| CN111250855A (en) * | 2020-02-20 | 2020-06-09 | 宁夏中科农副产品辐照中心有限公司 | Electron beam processing system with multi-electron beam center wire feeding |
| CN111230111A (en) * | 2020-02-21 | 2020-06-05 | 上海理工大学 | Electron beam coaxial wire feeding additive manufacturing equipment and method |
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| JPS57113549A (en) * | 1981-01-07 | 1982-07-15 | Hitachi Ltd | Electron beam processing machine |
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| CN1060225C (en) * | 1994-03-28 | 2001-01-03 | 大连理工大学 | Multiple-gun dynamic mixing injection technology and its device |
| JP2004101570A (en) * | 2002-09-04 | 2004-04-02 | Toyota Motor Corp | Method for designing laser optical system |
| CN203863211U (en) * | 2014-05-05 | 2014-10-08 | 咸阳三鑫精密有限责任公司 | Vacuum electron beam welding system |
| CN104759623B (en) * | 2015-03-10 | 2017-06-23 | 清华大学 | Using the increasing material manufacturing device of electron beam laser compound scanning |
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| CN206200333U (en) * | 2016-11-21 | 2017-05-31 | 沈阳金锋特种设备有限公司 | A kind of electron beam process system of multi electron beam center wire feed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2804862C1 (en) * | 2022-12-27 | 2023-10-06 | федеральное государственное автономное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" | Method of electron beam surfacing of metal with heat input control |
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Effective date of registration: 20191101 Address after: 110000 K38, shop 05, block B, floor 5, no.55a, Qingnian Street, Shenhe District, Shenyang City, Liaoning Province Co-patentee after: Shenyang Jin Feng special equipment Co., Ltd Patentee after: Jinfeng Special Tool Co., Ltd., Shenyang Address before: 110027 No. twenty-six, South Road, Shenyang economic and Technological Development Zone, Liaoning Patentee before: Shenyang Jin Feng special equipment Co., Ltd |
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Effective date of registration: 20220523 Address after: 110000 Room 101, No. 19-12, Hunnan East Road, Hunnan District, Shenyang City, Liaoning Province Patentee after: Liaoning Xinfeng Precision Photoelectric Technology Co.,Ltd. Address before: 110168 No. 35, Lingyun Street, Shenhe District, Shenyang City, Liaoning Province Patentee before: Shenyang Jinfeng Special Cutting Tools Co.,Ltd. |