CN205764424U - Wire feed type electron beam increases material and manufactures equipment - Google Patents
Wire feed type electron beam increases material and manufactures equipment Download PDFInfo
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- CN205764424U CN205764424U CN201620652351.5U CN201620652351U CN205764424U CN 205764424 U CN205764424 U CN 205764424U CN 201620652351 U CN201620652351 U CN 201620652351U CN 205764424 U CN205764424 U CN 205764424U
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Abstract
The open a kind of wire feed type electron beam of this utility model increases material and manufactures equipment, and its electron gun has installed inclined sweeping device and secondary electron reception device the most further, and inclined sweeping device and secondary electron receive device and be connected with central control unit；After the manufacture layer of electron beam process finished piece(s) one canned paragraph sent when electron gun, the exciting current of inclined sweeping device is controlled by central control unit, the electron beam making electron gun the most quickly scans the manufacture layer of this canned paragraph, secondary electron receives device and the secondary electron signal received in flyback process is sent to central control unit, by scanning element secondary electron signal each on this canned paragraph of central control unit synchronous recording；After the end of scan, the secondary electron signal data of record are analyzed processing by central control unit, it is judged that whether the edge manufacturing layer of this canned paragraph reaches desired value, and judges whether the manufacture layer of this canned paragraph exists cavity blemish, in order to repair in time.
Description
Technical field
This utility model relates to electron beam process equipment technical field, is specifically related to a kind of wire feed type electron beam and increases material manufacture
Equipment.
Background technology
Wire feed type electron beam increases material manufacture equipment work-piece manufacture needs vacuum environment.But, owing to electron beam increases material manufacture
The work characteristics of equipment self, is inevitably present high temperature, high light, X-ray, metal dust pollution, electricity in its vacuum environment
The interference factors such as magnetic field.Therefore, existing wire feed type electron beam increases material and manufactures equipment and there is also following two shortcoming and need to be captured:
1. contraction in various degree, and wire feed process gold can be produced under different materials and different sizes due to workpiece
Belonging to the reasons such as silk ribbon shake, therefore wire feed type electron beam increasing material manufacture equipment is in workpiece manufacture process, and workpiece size is difficult to essence
Really control.Although using negative feedback control technology can overcome this difficult problem in principle, but it has a problem in that under this type of vacuum environment, conventional
On-line monitoring such as photoelectric sensor, sonar sensor, radio sensor the most inapplicable, the most degenerative signal detection
Technology cannot solve.Furthermore impurity splashes and causes workpiece manufacture layer surface defect also to need to monitor in time in manufacture process metal bath
And repair.
2. the wire tray of wire feed type electron beam increasing material manufacture equipment is put in a vacuum chamber, when manufacturing large-scale workpiece, needs more
Renew wire tray, vacuum chamber now must be made to exit.For avoiding workpiece to aoxidize, need to make workpiece be cooled to lower temperature reinflated.
And workpiece cooling is very slow in vacuum, the large-scale workpiece needs that cool down are several to dozens of hour.Need again after changing wire tray
Again evacuation, therefore changes wire tray and takes considerable time, the efficiency manufacturing workpiece will be the lowest.Additionally change after wire tray workpiece from
Continued growth on cold conditions base material, can cause the change of workpiece each several part physically or chemically performance, the i.e. concordance of workpiece performance relatively
Difference.
Utility model content
Technical problem to be solved in the utility model is that existing wire feed type electron beam increasing material manufacture equipment cannot realize
The problem of line monitoring, it is provided that a kind of wire feed type electron beam increases material and manufactures equipment.
For solving the problems referred to above, this utility model is achieved through the following technical solutions:
Wire feed type electron beam increases material and manufactures equipment, follows including central control unit, power-supply system, wire feed system, coolant
Loop systems, pumped vacuum systems, vacuum chamber, telecontrol equipment, electron gun, trough and workbench；Central control unit, power supply system
System, the outdoor section of wire feed system, coolant circulation system, pumped vacuum systems are arranged on outside vacuum chamber, the room of wire feed system
Interior part, telecontrol equipment, electron gun, trough and workbench are arranged on the inside of vacuum chamber.Being a difference in that, electron gun also enters
One step installed inclined sweeping device and secondary electron receive device, inclined sweeping device and secondary electron receive device by supply unit with
Central control unit connects；After the manufacture layer of electron beam process finished piece(s) one canned paragraph sent when electron gun, by central authorities' control
Unit controls the exciting current of inclined sweeping device so that the manufacture layer of the electron beam of electron gun the most quickly this canned paragraph of scanning, and two
The secondary electron signal received in flyback process is sent to central control unit by secondary electronic receipt settlement, central authorities control single
Each scanning element secondary electron signal on unit's this canned paragraph of synchronous recording；After the end of scan, the central control unit secondary to record
Electronic signal data are analyzed processing, it is judged that whether the edge manufacturing layer of this canned paragraph reaches desired value, and judges to be somebody's turn to do
Whether the manufacture layer of canned paragraph exists cavity blemish, in order to repair in time.
In such scheme, wire feed system is by support, wire tray, wire belt, butt welding machine, dynamic sealing device and wire feed unit
Become；Support, wire tray, wire belt, butt welding machine are arranged on the outside of vacuum chamber, and wire-feed motor is arranged on the inside of vacuum chamber；It is wound around
The wire tray having wire belt is rack-mount, and wire belt is connected to wire feed via the dynamic sealing device being arranged on vacuum chamber
Machine；Butt welding machine is located between wire tray and dynamic sealing device；Wire-feed motor is controlled wire belt to deliver to electricity by central control unit
The lower section of sub-rifle and the top of manufacture layer, and melted by electron beam, molten metal liquid falls and is manufacturing on layer；When a dish metal
Another dish wire belt changed by silk ribbon after being finished time, by the beginning of the butt welding machine end by upper dish wire belt Yu lower wall wire belt
End welds together, to realize continuing wire feed.
Compared with prior art, this utility model has a characteristic that
1, solve workpiece manufacture process on-line monitoring problem, improve the accuracy of manufacture, reduce or eliminate manufacturing defect.
2, solve continuous wire feed problem, improve and manufacture efficiency.
Accompanying drawing explanation
Fig. 1 is that this utility model electron beam increases material manufacture equipment composition schematic diagram.
Fig. 2 is that in Fig. 1, electron beam increases material manufacture equipment E-beam area scanning schematic diagram.
Labelling in figure: 1, central control unit；21, supply unit；22, external cable；23, enter the room cable；24, vacuum electric
Cable joint；31, support；32, wire tray；33, wire belt；34, butt welding machine；35, dynamic sealing device；36, wire-feed motor；41, cooling
Liquid circulating device；42, coolant pipe；43, coolant access apparatus；51, vacuum pump unit；52, vacuum pipe；53, vacuum method
Blue；6, vacuum chamber；7, telecontrol equipment；8, electron gun；81, inclined sweeping device；82, secondary electron receives device；83, electron beam；9、
Trough；10, workbench；11, workpiece；12, layer is manufactured；13, scanning area.
Detailed description of the invention
A kind of wire feed type electron beam increases material and manufactures equipment, as it is shown in figure 1, mainly by central control unit 1, power-supply system,
Wire feed system, coolant circulation system, pumped vacuum systems, vacuum chamber 6, telecontrol equipment 7, electron gun 8, trough 9 and workbench
10 compositions.Central control unit 1, power-supply system, the outdoor section of wire feed system, coolant circulation system, pumped vacuum systems set
Putting outside vacuum chamber 6, the indoor section of wire feed system, telecontrol equipment 7, electron gun 8, trough 9 and workbench 10 are arranged on
The inside of vacuum chamber 6.
Central control unit 1: be responsible for control and the monitoring of whole equipment, including setting, the workpiece 11 of electron beam 83 parameter
Three-dimensional CAD model carries out the data process etc. of hierarchy slicing.Central control unit 1 is by carrying out real time data with supply unit 21
Exchange function above.
Power-supply system: by supply unit 21, external cable 22, enter the room cable 23 and vacuum electric cable joint 24 forms.Power supply
Device 21 includes the control power supply, the control power supply of pumped vacuum systems, the fortune that control power supply, coolant circulation system of wire feed system
Driving power supply, the power supply of electron gun 8 and the driving power supply of workbench 10 of dynamic device 7.Supply unit 21 is by external cable 22
It is connected with the consuming parts outside vacuum chamber 6, as respective control power supply is delivered to the wire feed system outside vacuum chamber 6, cold respectively
But in the consuming parts that fluid circulation is corresponding with pumped vacuum systems.Supply unit 21 is connect by vacuum cable by cable 23 of entering the room
24 are connected with the consuming parts within vacuum chamber 6, control power supply, telecontrol equipment 7 such as provide wire feed system wire-feed motor 36
Drive power supply, the power supply of electron gun 8 and the driving power supply of workbench 10.The structure of vacuum electric cable joint 24 has vacuum and seals
With X-ray-preventing leakage function.
Wire feed system: by support 31, wire tray 32, wire belt 33, butt welding machine 34, dynamic sealing device 35 and wire-feed motor 36 groups
Become.Wire-feed motor 36 is controlled wire belt 33 to be delivered to the lower section of electron gun 8 and the manufacture layer 12 of workpiece 11 by central control unit 1
Top, and melted by electron beam 83, molten metal liquid falls on the manufacture layer 12 of workpiece 11.Wire tray 32 is placed on vacuum chamber
The outside of 6, a dish wire belt updates wire tray 32 after being finished, butt welding machine 34 welded together by wire belt 33 and continue to send
Silk.It is internal that wire belt 33 introduces vacuum chamber 6 through dynamic sealing device 35, the structure of dynamic sealing device 35 possess vacuum dynamic seal and
X-ray-preventing leakage function, its movable sealing has two kinds of versions, a kind of tinsel for circular (including ellipse) cross section
Band, the another kind of wire belt for rectangle (including square) cross section.Wire tray 32 is placed on outside the vacuum chamber under atmospheric condition, adopts
Introducing internal vacuum chamber by movable sealing mode, wire tray 32 Renewal process is not required to exit vacuum chamber, so that this utility model
Solve continuous wire feed problem, improve and manufacture efficiency.
Coolant circulation system: be made up of coolant circulation unit 41, coolant pipe 42 and coolant access apparatus 43.Cold
But the structure of liquid access apparatus 43 has vacuum sealing and X-ray-preventing leakage function.In coolant circulation system cooling vacuum room 6
Telecontrol equipment 7, electron gun 8, workbench 10, wire-feed motor 36 etc. need the parts of cooling.
Pumped vacuum systems: be made up of vacuum pump unit 51, vacuum pipe 52 and vacuum flange 53, the structure of vacuum flange 53
Vacuum pipe 52 is made to connect with vacuum chamber 6 and possess X-ray-preventing leakage function.Pumped vacuum systems effect is to maintain vacuum chamber 6
Internal gas pressure is 1 × 10-3Pa～1 × 10-1PaWorking environment.
Vacuum chamber 6: processed by 30～35mm thick Plate Weldings, the wall of vacuum chamber 6, Men Jibi, door are opened
Window and Kong Douxu are resistant to 1 atmospheric pressure, are provided simultaneously with vacuum and seal and X-ray-preventing leakage function.
Telecontrol equipment 7: electron gun 8 and the three-axis moving of wire-feed motor 36, and the one-dimensional inclination of electron gun 8 are provided.
Electron gun 8: produce electron beam 83 and receive secondary electron signal.Electron gun 8 has installed inclined sweeping device 81 and secondary
Electronic receipt settlement 82, has often manufactured one and has fixed segment and manufacture after layer 12, and electron beam 83 the most quickly scanning is as shown in Figure 2.Sweep
Retouch the invariant position of region 13 opposing electronic rifle 8, central control unit 1 come by controlling the exciting current of inclined sweeping device 81
Control the scanning track of scanning area 13, and synchronized to receive each point secondary electron on scanning track by secondary electron reception device 82
Signal is also sent to central control unit 1.After the end of scan, the central control unit 1 secondary electron signal data to receiving
It is analyzed processing, it is judged that whether the edge manufacturing layer 12 in scanning area 13 reaches desired value, and judges scanning area 13
Whether interior manufacture layer 12 exists cavity blemish, in order to repair in time.Make so that this utility model solves workpiece 11
Make process on-line monitoring problem, reduce or eliminate manufacturing defect.
Trough 9: the cable in fixing vacuum chamber 6 and coolant pipe, provides wire belt tape path, Yi Jiti simultaneously
For thermal insulation protection.Trough 9 has part to be fixed on vacuum chamber 6 inwall, has part to be fixed on telecontrol equipment 7 through electron gun
8 and follow electron gun 8 and be synchronized with the movement.
Workbench 10: fixing workpiece 11, and can perform to rotate and one-dimensional banking motion.
The work process of this utility model wire feed type electron beam increasing material manufacture equipment:
The first step: set-up procedure, including wearing silk, fixing substrate, evacuation and generation technological parameter.
1. wear silk: wire tray 32 is hung on support 31, pull out wire belt 33, allow wire belt 33 sequentially pass through butt welding machine
34, dynamic sealing device 35, trough 9 and wire-feed motor 36 are gone directly below electron gun 8.
2. fixing substrate: be fixed on workbench 10 by one piece of metal basal board, workpiece 11 will grow on this metal basal board
Out.The composition of metal basal board is consistent or close with the composition of workpiece 11.
3. evacuation: close vacuum chamber 6, starts cooling system, start successively vacuum pump unit 51 and electron gun point
Sub-pump, until vacuum chamber 6 internal vacuum and electron gun 8 internal vacuum all reach job requirement.
4. technological parameter is generated: central control unit 1 is processed by data according to the three-dimensional CAD model of workpiece 11 to be manufactured
Software carries out hierarchy slicing process, forms machining locus；After setting electron beam parameter and wire feed rate, data processing software is automatic
Generate nc program.
Second step: manufacture workpiece.
After the vacuum condition of vacuum chamber 6 reaches, the power supply starting electron gun 8 produces electron beam 83, is formed on workpiece 11
Molten bath, telecontrol equipment 7 drives electron gun 8 and wire-feed motor 36 to move and/or workbench 10 drives workpiece 11 to rotate, tinsel simultaneously
Band 33 melts under electron beam 83 acts on, and piles up according to predetermined machining path.
Often having manufactured one to fix segment and manufacture after layer 12, electron beam 83 the most quickly scanning is as shown in Figure 2.Scanning area 13
The invariant position of opposing electronic rifle 8, is controlled scanning area by central control unit 1 by controlling the exciting current of inclined sweeping device 81
Each point secondary electron signal on the scanning track in territory 13, and synchronous recording scanning track.After the end of scan, central control unit 1
It is analyzed processing to the secondary electron signal data of record, it is judged that whether the edge manufacturing layer 12 in scanning area 13 reaches uncommon
Prestige value, and judge whether scanning area 13 interior manufacture layer 12 exists cavity blemish, in order to repair in time.
After completing a manufacture manufacturing layer, electron gun 8 rises a level altitude manufacturing thickness, carries out a upper system
Making the manufacture of layer, each interlayer that manufactures forms metallurgical binding, piles up layer by layer.
3rd step: change silk.
Central control unit 1 detects that the wire belt 33 in wire tray 32 has been used up just to send soon and changes silk prompting, closes simultaneously
Closing electron beam 83, stop wire-feed motor 36 wire feed, stop motion device 7 and workbench 10 move, and central control unit 1 have recorded punching
Breakpoint information.Now wire tray 32 more renews, and wire belt 33 is welded together by butt welding machine 34, and pad is carried out at deburring
Reason so that solder joint smooths.Change silk and terminate rear central control unit 1 from thrusting a repetition second step job.If in wire feed system
Set up steel wire storage device, then a process of changing just is not required to interrupt the manufacture work of workpiece 11.
4th step: workpiece cools down.
Workpiece 11 manufacture process constantly repeats second step and the 3rd step until producing required workpiece 11, is then shut off electricity
The power supply of sub-rifle 8 and stopping wire feed system working, and stop motion device 7 and workbench 10 move, vacuum pump unit 51 and cooling
Liquid circulating device 41 keeps on the go state.The workpiece 11 manufactured cools down under vacuum conditions, and cool time is set by technological requirement
Fixed.Cooling terminates, and stops vacuum pump unit 51 and coolant circulation unit 41 works, and finally takes out workpiece 11.
Additionally this utility model electron beam increases material manufacture equipment employing built-in electronic rifle structure, is conducive to improving vacuum chamber
Utilization rate.But the electron beam using external electron gun structure increases material manufactures equipment, if using secondary electron signal to monitor system
Make process technology and use external dynamic seal wire feed technology to broadly fall into this utility model protection domain.
Claims (2)
1. wire feed type electron beam increases material manufacture equipment, follows including central control unit (1), power-supply system, wire feed system, coolant
Loop systems, pumped vacuum systems, vacuum chamber (6), telecontrol equipment (7), electron gun (8), trough (9) and workbench (10)；Central authorities
Control unit (1), power-supply system, the outdoor section of wire feed system, coolant circulation system, pumped vacuum systems are arranged on vacuum chamber
(6) outside, the indoor section of wire feed system, telecontrol equipment (7), electron gun (8), trough (9) and workbench (10) are arranged on
The inside of vacuum chamber (6)；It is characterized in that:
Electron gun (8) has been installed inclined sweeping device (81) and secondary electron the most further and has been received device (82), inclined sweeping device (81) and
Secondary electron is received device (82) and is connected with central control unit (1) by supply unit (21)；
After the electron beam (83) sent when electron gun (8) processes the manufacture layer (12) of workpiece (11) canned paragraph, central authorities control
Unit processed (1) controls the exciting current of inclined sweeping device (81) so that it is solid that the electron beam (83) of electron gun (8) the most quickly scans this
The manufacture layer (12) of the section of determining, during the secondary electron signal received in flyback process is sent to by secondary electron reception device (82)
Centre control unit (1), by each scanning element secondary electron signal on this canned paragraph of central control unit (1) synchronous recording；Scanning knot
Shu Hou, the secondary electron signal data of record are analyzed processing by central control unit (1), it is judged that the manufacture layer of this canned paragraph
(12) whether edge reaches desired value, and judges whether the manufacture layer (12) of this canned paragraph exists cavity blemish, in order to and
Shi Jinhang repairs.
Wire feed type electron beam the most according to claim 1 increases material and manufactures equipment, it is characterised in that: wire feed system is by support
(31), wire tray (32), wire belt (33), butt welding machine (34), dynamic sealing device (35) and wire-feed motor (36) composition；Support
(31), wire tray (32), wire belt (33), butt welding machine (34) be arranged on the outside of vacuum chamber (6), wire-feed motor (36) is arranged on very
The inside of empty room (6)；The wire tray (32) being wound with wire belt (33) is arranged on support (31), and wire belt (33) is via setting
The dynamic sealing device (35) put on vacuum chamber (6) is connected to wire-feed motor (36)；Butt welding machine (34) is located at wire tray (32) and moves close
Between seal apparatus (35)；
Wire-feed motor (36) is controlled wire belt (33) to be delivered to the lower section of electron gun (8) and manufactures layer by central control unit (1)
(12) top, and melted by electron beam (83), molten metal liquid falls and is manufacturing on layer (12)；When a dish wire belt
(33) when changing another dish wire belt (33) after being finished, by butt welding machine (34) by the end of upper dish wire belt (33) and lower wall
The top of wire belt (33) welds together, to realize continuing wire feed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620652351.5U CN205764424U (en) | 2016-06-24 | 2016-06-24 | Wire feed type electron beam increases material and manufactures equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620652351.5U CN205764424U (en) | 2016-06-24 | 2016-06-24 | Wire feed type electron beam increases material and manufactures equipment |
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| CN205764424U true CN205764424U (en) | 2016-12-07 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904079A (en) * | 2016-06-24 | 2016-08-31 | 桂林狮达机电技术工程有限公司 | Wire-feeding type electron beam material-increasing manufacturing equipment and operating method thereof |
| CN106624323A (en) * | 2016-12-13 | 2017-05-10 | 南京理工大学 | Fuse wire filled multifunctional controllable additive manufacturing device |
| CN109551145A (en) * | 2019-01-31 | 2019-04-02 | 西安增材制造国家研究院有限公司 | A kind of automatic wire feeding device and its application method for increasing material manufacturing |
| CN109702285A (en) * | 2017-10-25 | 2019-05-03 | 宝山钢铁股份有限公司 | A kind of welding wire feeding device |
| CN111250854A (en) * | 2020-02-10 | 2020-06-09 | 哈尔滨工业大学 | Local cooling auxiliary device and method for electron beam fuse additive manufacturing |
| CN112605402A (en) * | 2020-12-09 | 2021-04-06 | 清华大学 | Device and method for controlling relative height of wire piece in electron beam fuse deposition process |
-
2016
- 2016-06-24 CN CN201620652351.5U patent/CN205764424U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904079A (en) * | 2016-06-24 | 2016-08-31 | 桂林狮达机电技术工程有限公司 | Wire-feeding type electron beam material-increasing manufacturing equipment and operating method thereof |
| CN106624323A (en) * | 2016-12-13 | 2017-05-10 | 南京理工大学 | Fuse wire filled multifunctional controllable additive manufacturing device |
| CN109702285A (en) * | 2017-10-25 | 2019-05-03 | 宝山钢铁股份有限公司 | A kind of welding wire feeding device |
| CN109702285B (en) * | 2017-10-25 | 2021-07-16 | 宝山钢铁股份有限公司 | Welding wire feeding device |
| CN109551145A (en) * | 2019-01-31 | 2019-04-02 | 西安增材制造国家研究院有限公司 | A kind of automatic wire feeding device and its application method for increasing material manufacturing |
| CN111250854A (en) * | 2020-02-10 | 2020-06-09 | 哈尔滨工业大学 | Local cooling auxiliary device and method for electron beam fuse additive manufacturing |
| CN111250854B (en) * | 2020-02-10 | 2021-07-20 | 哈尔滨工业大学 | Local cooling auxiliary device and method for electron beam fuse additive manufacturing |
| CN112605402A (en) * | 2020-12-09 | 2021-04-06 | 清华大学 | Device and method for controlling relative height of wire piece in electron beam fuse deposition process |
| CN112605402B (en) * | 2020-12-09 | 2022-02-15 | 清华大学 | Device and method for controlling relative height of wire piece in electron beam fuse deposition process |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 5-1 Pioneer Industrial Park, Kungming West Road, Guilin City, Guangxi Zhuang Autonomous Region, 541004 Patentee after: Guilin Shida Technology Co., Ltd. Address before: No. 5-1 Pioneer Industrial Park, Kungming West Road, Guilin City, Guangxi Zhuang Autonomous Region, 541004 Patentee before: Guilin Shida Electrical and Mechanical Technology Engineering Co., Ltd. |