CN113828905A - Vacuum electron beam welding device - Google Patents
Vacuum electron beam welding device Download PDFInfo
- Publication number
- CN113828905A CN113828905A CN202010592029.9A CN202010592029A CN113828905A CN 113828905 A CN113828905 A CN 113828905A CN 202010592029 A CN202010592029 A CN 202010592029A CN 113828905 A CN113828905 A CN 113828905A
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- CN
- China
- Prior art keywords
- electron beam
- vacuum
- vacuum chamber
- power supply
- fixedly arranged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010894 electron beam technology Methods 0.000 title claims abstract description 54
- 238000003466 welding Methods 0.000 title claims abstract description 35
- 239000011521 glass Substances 0.000 claims abstract description 12
- 239000007769 metal material Substances 0.000 claims description 2
- 230000036541 health Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
Classifications
-
- 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
- B23K15/0046—Welding
-
- 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
-
- 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
- B23K15/06—Electron-beam welding or cutting within a vacuum chamber
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electron Sources, Ion Sources (AREA)
Abstract
The invention discloses a vacuum electron beam welding device, which belongs to the technical field of welding devices and particularly comprises a vacuum chamber, wherein a movable workbench is arranged at the bottom of an inner cavity of the vacuum chamber, a vacuum system interface is fixedly arranged at the bottom of the right side of the vacuum chamber, a glass mirror is fixedly arranged in the middle of the left side of the front end of the vacuum chamber, an electron beam gun is fixedly arranged at the top of the vacuum chamber, a filament power supply, a cathode, an anode, a focusing coil and a deflection coil are fixedly arranged in the inner cavity of the electron beam gun from top to bottom in sequence, the movable workbench, the filament power supply, the cathode and the anode are electrically connected with a high-voltage power supply, and the focusing coil is electrically connected with the focusing power supply. This kind of vacuum electron beam welding set takes out the inside air in vacuum chamber from the vacuum system interface through the vacuum system device, forms real vacuum chamber, can effectual reduction pollution, does not need staff's contact simultaneously, and staff's health has obtained the guarantee.
Description
Technical Field
The invention relates to the technical field of welding devices, in particular to a vacuum electron beam welding device.
Background
Electron beam welding is a method of welding using heat energy generated by an accelerated and focused electron beam bombarding a weldment placed in a vacuum or non-vacuum. The electron beam welding has the advantages of no need of welding rods, difficult oxidation, good process repeatability and small thermal deformation, and is widely applied to various industries such as aerospace, atomic energy, national defense, military industry, automobiles, electrical and electronic instruments and the like.
In the current era, the accumulation of each advance in electron beam welding technology has made human aerospace manufacturing technologies more complete and robust. The high stability and high strength of the electron beam technology enables the aircraft metallurgy to have more advanced scientific and structure precise design. An important technology that exists today is actually to reduce hydrogen embrittlement, limiting oxygen and hydrogen contamination while reducing decomposition, heating, and residual stresses. Electron beam welding technology, an important technology in the field of weld integration, has now increasingly affected the field of manufacturing and design of aerospace vehicles.
In the conventional electron beam welding, although oxygen and hydrogen pollutants are effectively limited, hydrogen pollutants still exist, and the welding mode of the electron beam welding forms a ray which is harmful to operators, so that the safety and health of welders cannot be guaranteed due to the fact that protection at any moment needs to be paid attention to in the welding process, and the problem that attention must be paid to is needed.
Disclosure of Invention
The invention aims to provide a vacuum electron beam welding device, which forms a real vacuum chamber by pumping air in the vacuum chamber from a vacuum system interface through a vacuum system device.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a vacuum electron beam welding set, includes between the vacuum, inner chamber bottom between the vacuum is provided with the mobile workbench, right side bottom fixed mounting between the vacuum has the vacuum system interface, front end left side middle part fixed mounting between the vacuum has the glass mirror, top fixed mounting between the vacuum has the electron beam rifle, the bottom of electron beam rifle is provided with the electron beam export, the inner chamber of electron beam rifle is from last down fixed mounting in proper order has filament power, negative pole, positive pole, focus coil and deflection yoke, mobile workbench, filament power, negative pole and positive pole all with high voltage power electric connection, focus coil and focus power electric connection, deflection yoke and deflection power electric connection.
Preferably, the cathode, the anode, the focusing coil and the deflection coil are all provided in two.
Preferably, the vacuum chamber and the shell of the electron beam gun are both made of metal materials and are sealed.
Preferably, the glass mirror is a circular glass lens.
Preferably, the vacuum system interface is connected to a vacuum system device.
Compared with the prior art, the invention has the beneficial effects that: this kind of vacuum electron beam welding set takes out the inside air in vacuum chamber from the vacuum system interface through the vacuum system device, forms real vacuum chamber, can effectual reduction pollution, does not need staff's contact simultaneously, and staff's health has obtained the guarantee.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic perspective view of the present invention.
In the figure: 1 vacuum chamber, 2 working tables, 3 vacuum system interfaces, 4 glass mirrors, 5 filament power supplies, 6 high-voltage power supplies, 7 focusing power supplies, 8 deflection power supplies, 10 electron beam guns, 11 cathodes, 12 anodes, 13 focusing coils, 14 deflection coils and 15 electron beam outlets.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a vacuum electron beam welding device, which extracts air in a vacuum chamber from a vacuum system interface through a vacuum system device to form a real vacuum chamber, please refer to fig. 1-2, and comprises the vacuum chamber 1, concretely, a movable worktable 2 is arranged at the bottom of an inner cavity of the vacuum chamber 1, a workpiece can be placed on the movable worktable 2, the movable worktable 2 can move to facilitate the welding of the workpiece, a vacuum system interface 3 is fixedly arranged at the bottom of the right side of the vacuum chamber 1, the vacuum chamber 1 is connected with the vacuum system device through the vacuum system interface 3, a glass mirror 4 is fixedly arranged at the middle part of the left side of the front end of the vacuum chamber 1, the internal welding condition can be known through the glass mirror 4, an electron beam gun 10 is fixedly arranged at the top of the vacuum chamber 1, the electron beam gun 10 is a combined device for emitting electron beams, accelerating, focusing and deflecting the electron beams, an electron beam outlet 15 is arranged at the bottom of the electron beam gun 10, the electron beam outlet 15 is an outlet of an electron beam from the electron beam gun 10, a filament power supply 5, a cathode 11, an anode 12, a focusing coil 13 and a deflecting coil 14 are fixedly arranged in sequence from top to bottom in an inner cavity of the electron beam gun 10, after the filament power supply 5 is electrified, the cathode 11 is heated, electrons are emitted outwards by the cathode 11, an electron stream emitted by the cathode 11 is accelerated in a high-voltage electric field between the cathode 11 and the anode 12 and is emitted to a weldment at a very high speed, the kinetic energy of the electrons is converted into heat energy, the weldment is rapidly melted, in order to highly concentrate the energy of the electron beam, the electron beam is focused by the focusing coil 13, the deflecting coil 14 enables the electron beam to be aligned with a welding seam, the worktable 2 is moved again to complete the welding process, and the worktable 2, the filament power supply 5, the cathode 11 and the anode 12 are all electrically connected with the high-voltage power supply 6, the focusing coil 13 is electrically connected with the focusing power supply 7, and the deflecting coil 14 is electrically connected with the deflecting power supply 8;
referring to fig. 1 again, specifically, two cathodes 11, two anodes 12, two focusing coils 13 and two deflecting coils 14 are provided;
referring to fig. 1 again, specifically, the vacuum chamber 1 and the electron beam gun 10 are made of metal and sealed;
referring to fig. 1 again, specifically, the glass mirror 4 is a circular glass lens;
referring again to fig. 1, in particular, the vacuum system interface 3 is connected to a vacuum system device.
When the welding device is used specifically, the vacuum system device extracts air in the vacuum chamber 1 through the vacuum system interface 3 to enable the air to become vacuum, the filament power supply 5 is electrified to heat the cathode 11, the cathode 11 is heated to emit electrons outwards, the electron flow emitted by the cathode 11 is accelerated in a high-voltage electric field between the cathode 11 and the anode 12 and is emitted to a welding piece through the electron beam outlet 15 at a very high speed, the kinetic energy of the electrons is converted into heat energy to enable the welding piece to be melted rapidly, for the purpose of high concentration of the energy of the electron beam, the electron beam is focused through the focusing coil 13, the deflection coil 14 enables the electron beam to be aligned with a welding line, the movable worktable 2 moves again, and the welding process is completed.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A vacuum electron beam welding device, comprising a vacuum chamber (1), characterized in that: a movable workbench (2) is arranged at the bottom of the inner cavity of the vacuum chamber (1), a vacuum system interface (3) is fixedly arranged at the bottom of the right side of the vacuum chamber (1), a glass mirror (4) is fixedly arranged in the middle of the left side of the front end of the vacuum chamber (1), an electron beam gun (10) is fixedly arranged at the top of the vacuum chamber (1), an electron beam outlet (15) is arranged at the bottom of the electron beam gun (10), the inner cavity of the electron beam gun (10) is fixedly provided with a filament power supply (5), a cathode (11), an anode (12), a focusing coil (13) and a deflection coil (14) from top to bottom in sequence, the movable workbench (2), the filament power supply (5), the cathode (11) and the anode (12) are electrically connected with the high-voltage power supply (6), the focusing coil (13) is electrically connected with the focusing power supply (7), and the deflection coil (14) is electrically connected with the deflection power supply (8).
2. A vacuum electron beam welding apparatus according to claim 1, characterized in that: the cathode (11), the anode (12), the focusing coil (13) and the deflecting coil (14) are arranged in two numbers.
3. A vacuum electron beam welding apparatus according to claim 1, characterized in that: and the shells of the vacuum chamber (1) and the electron beam gun (10) are made of metal materials and are sealed.
4. A vacuum electron beam welding apparatus according to claim 1, characterized in that: the glass mirror (4) is a circular glass lens.
5. A vacuum electron beam welding apparatus according to claim 1, characterized in that: the vacuum system interface (3) is connected to a vacuum system device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592029.9A CN113828905A (en) | 2020-06-24 | 2020-06-24 | Vacuum electron beam welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592029.9A CN113828905A (en) | 2020-06-24 | 2020-06-24 | Vacuum electron beam welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113828905A true CN113828905A (en) | 2021-12-24 |
Family
ID=78964786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010592029.9A Pending CN113828905A (en) | 2020-06-24 | 2020-06-24 | Vacuum electron beam welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113828905A (en) |
-
2020
- 2020-06-24 CN CN202010592029.9A patent/CN113828905A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20211224 |