CN113102872A - High-voltage electron beam welding machine - Google Patents
High-voltage electron beam welding machine Download PDFInfo
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- CN113102872A CN113102872A CN202110540521.6A CN202110540521A CN113102872A CN 113102872 A CN113102872 A CN 113102872A CN 202110540521 A CN202110540521 A CN 202110540521A CN 113102872 A CN113102872 A CN 113102872A
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- voltage electron
- vacuum chamber
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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
- B23K15/002—Devices involving relative movement between electronbeam and workpiece
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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
- B23K15/0026—Auxiliary equipment
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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
- 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
- B23K15/06—Electron-beam welding or cutting within a vacuum chamber
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Welding Or Cutting Using Electron Beams (AREA)
Abstract
The application discloses a high-voltage electron beam welding machine. The method comprises the following steps: the vacuum chamber is arranged in the base and is used for accommodating a workpiece to be processed; the high-voltage electron gun is arranged at the top of the vacuum chamber and is used for spraying high-voltage electron beam to a workpiece to be processed to realize welding; and the top end of the vacuum chamber is provided with a movement mechanism for driving the high-voltage electron gun to move randomly in the horizontal plane at the top of the vacuum chamber so as to change the processing position of the high-voltage electron gun. This application designs motion between base and high-pressure electron gun, it has rotary motion subassembly and linear motion subassembly, and rotary motion subassembly and real empty room swivelling joint, the high-pressure electron gun is installed on the linear motion subassembly, utilize the rotary motion subassembly to drive the linear motion subassembly and rotate, and the linear motion subassembly that deuterogamies drives the high-pressure electron gun and removes along the horizontal direction to change the optional position of high-pressure electron gun in the horizontal plane, realize expanding the purpose of high-pressure electron gun's application range.
Description
Technical Field
The invention relates to the technical field of welding equipment, in particular to a high-voltage electron beam welding machine.
Background
An electron beam welding machine is a welding device which carries out welding processing by utilizing the principle that electron beams moving at high speed bombard workpieces. In the welding process, the workpiece is impacted by the electron beam flow moving at a high speed in a directional mode so that kinetic energy is converted into heat energy to melt the workpiece and form a welding seam. The energy density of the electron beam is as high as 108W/cm2The weldment metal can be heated rapidly to very high temperatures, thus melting most of the alloy.
Currently, electron beam welding machines can be mainly classified into two types according to the acceleration voltage, one is a high voltage electron beam welding machine, and the other is a medium voltage electron beam welding machine. The high-voltage electron beam welding machine has the advantages that the electron gun of the high-voltage electron beam welding machine has one more grid deflection stage than the medium voltage, the high-voltage electron beam can generate rays harmful to human bodies, lead coating treatment is needed, the volume and the weight are large, the high-voltage cable is thick, and the flexibility is poor, so that the welding gun of the high-voltage electron beam welding machine is of a fixed gun structure, welding is completed completely by the movement of a workbench during welding, the welding range is limited, and the welding gun is not flexible enough. The medium-voltage electron beam welding machine gun body is small and exquisite, the flexibility of the cable is good, and the medium-voltage electron beam welding machine gun body can be combined with a motor, a guide rail and a robot to form an indoor movable gun structure; the structure has the advantages of flexible welding, complex weldable tracks and high space utilization rate, but the power of most medium-voltage electron guns is insufficient at present, and large-thickness (more than 100mm) workpieces cannot be welded. Therefore, there is a need for improvement of the existing electron beam welding equipment.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a high voltage electron beam welding machine that increases the welding range, improves the space utilization of the vacuum chamber, is simple to operate, and is easy to implement.
In a first aspect, the present application provides a high voltage electron beam welder comprising:
a base seat, a plurality of fixing holes and a plurality of fixing holes,
the vacuum chamber is arranged in the base and is used for accommodating a workpiece to be processed;
the high-voltage electron gun is arranged at the top of the vacuum chamber and is used for spraying high-voltage electron beam to a workpiece to be processed to realize welding;
and the top end of the vacuum chamber is provided with a movement mechanism for driving the high-voltage electron gun to move randomly in the horizontal plane at the top of the vacuum chamber so as to change the processing position of the high-voltage electron gun.
According to the technical scheme provided by the embodiment of the application, the motion mechanism is provided with a rotary motion assembly and a linear motion assembly; the rotary motion assembly is rotatably connected with the vacuum chamber and can drive the linear motion assembly to rotate; the linear motion assembly is connected with the high-voltage electron gun and used for changing the processing position of the high-voltage electron gun in the horizontal direction.
According to the technical scheme provided by the embodiment of the application, the rotary motion assembly comprises: the rotating platform is arranged at the top end of the vacuum chamber; a first sealing assembly is arranged between the rotating platform and the vacuum chamber;
the inner wall of the rotary platform, which is contacted with the side wall of the vacuum chamber, is provided with two circles of first grooves; the first sealing assembly comprises two first sealing rings arranged in the first groove;
the two sides of the first sealing ring are folded outwards to form a reinforced sealing edge.
According to the technical scheme provided by the embodiment of the application, the rotary motion assembly further comprises: the rotary support piece is used for supporting the rotary platform to freely rotate, and the moving through hole is formed in the rotary platform; the rotary supporting piece is sleeved on the vacuum chamber; the movable through hole is communicated with the top of the vacuum chamber and is used for jetting high-voltage electron beam current to a workpiece to be processed by the high-voltage electron gun.
According to the technical scheme provided by the embodiment of the application, the linear motion assembly comprises: the rotary platform comprises a guide rail arranged on the rotary platform and a sliding table arranged on the guide rail; a second sealing assembly is arranged between the sliding table and the rotating platform;
a circle of second groove is formed in the bottom of the sliding table; the second seal assembly includes: the second sealing ring and the rubber strip are arranged in the second groove; the second sealing ring is close to the bottom of the second groove, and the rubber strip extends outwards along the side wall of the second groove and can be in sliding contact with the rotating platform.
According to the technical scheme provided by the embodiment of the application, the sliding table is further provided with a mounting hole communicated with the mobile through hole, and the mounting hole is used for mounting the high-voltage electron gun.
According to the technical scheme that this application embodiment provided, be equipped with first driving piece on the base, and its with rotary platform's driving tooth meshing sets up.
According to the technical scheme provided by the embodiment of the application, the rotating platform is provided with the second driving piece, and the second driving piece is meshed with the rack on the side edge of the sliding platform.
According to the technical scheme provided by the embodiment of the application, the side wall of the vacuum chamber is provided with a chamber door, and an observation window is arranged on the chamber door.
According to the technical scheme provided by the embodiment of the application, a third sealing assembly is arranged between the chamber door and the vacuum chamber;
a third groove is formed in the side wall of the vacuum chamber; the third seal assembly includes: a third seal ring disposed in the third groove; one side of the third sealing ring protrudes outwards along the third groove and can be abutted to the surface of the chamber door.
In summary, the present disclosure specifically discloses a specific structure of a high voltage electron beam welding machine. The method specifically comprises the steps that a movement mechanism is designed between a base and a high-voltage electron gun, and the movement mechanism drives the high-voltage electron gun to move randomly in a top horizontal plane of a vacuum chamber so as to change the processing position of the high-voltage electron gun and expand the processing range of the high-voltage electron gun;
furthermore, the motion mechanism is provided with a rotary motion assembly and a linear motion assembly, the rotary motion assembly is rotatably connected with the vacuum chamber, the high-voltage electron gun is arranged on the linear motion assembly, the rotary motion assembly rotates relative to the vacuum chamber to drive the linear motion assembly to rotate, and then the linear motion assembly is matched to drive the high-voltage electron gun to move along the horizontal direction so as to change any position of the high-voltage electron gun in the horizontal plane and achieve the purpose of expanding the processing range of the high-voltage electron gun.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a high voltage electron beam welding machine.
FIG. 2 is a schematic diagram of the overall structure of the high voltage electron beam welding machine.
FIG. 3 is a schematic diagram of a side view of the high voltage electron beam welding machine.
FIG. 4 is a schematic top view of the high voltage electron beam welding machine.
Fig. 5 is a schematic structural view of the first sealing assembly.
Fig. 6 is a schematic structural view of a second seal assembly.
Reference numbers in the figures: 1. a high voltage electron gun; 2. a base; 3. a vacuum chamber; 4. a chamber door; 5. a support sleeve; 6. a thrust ball bearing; 7. rotating the platform; 8. a first driving member; 9. a guide rail; 10. a sliding table; 11. a rack; 12. a second driving member; 13. a first seal assembly; 14. a second seal assembly; 15. a third seal assembly.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example one
Referring to fig. 1, a schematic structural diagram of a first embodiment of a high voltage electron beam welding machine according to the present application includes:
the base 2 is provided with a plurality of grooves,
the vacuum chamber 3 is arranged in the base 2 and is used for accommodating a workpiece to be processed;
the high-voltage electron gun 1 is arranged at the top of the vacuum chamber 3 and is used for spraying high-voltage electron beam to a workpiece to be processed to realize welding;
the top end of the vacuum chamber 3 is provided with a movement mechanism for driving the high-voltage electron gun 1 to move freely in the horizontal plane of the top of the vacuum chamber 3 so as to change the processing position of the high-voltage electron gun 1.
In the embodiment, the base 2 is used as a basic component of the mechanism, and the vacuum chamber 3 is arranged in the base 2 and used for accommodating a workpiece to be processed and providing a vacuum environment for welding work;
the high-voltage electron gun 1 is arranged at the top of the vacuum chamber 3 and is used for spraying high-voltage electron beam to a workpiece to be processed to realize welding; moreover, the high-voltage electron gun 1 is positioned outside the vacuum chamber 3, so that the space utilization rate of the vacuum chamber is improved, and the vacuum pumping cost of the vacuum chamber can be reduced;
and the movement mechanism is arranged at the top end of the vacuum chamber 3 and is used for driving the high-voltage electron gun 1 to move freely in the horizontal plane at the top of the vacuum chamber 3 so as to change the processing position of the high-voltage electron gun 1 and expand the processing range of the high-voltage electron gun 1.
Wherein:
the rotary motion component and the linear motion component arranged on the rotary motion component form a motion mechanism, the rotary motion component is rotatably connected with the top of the vacuum chamber 3, the high-voltage electron gun 1 is arranged on the linear motion component, the rotary motion component rotates relative to the vacuum chamber 3 to drive the linear motion component to rotate, and then the linear motion component is matched to drive the high-voltage electron gun 1 to move along the horizontal direction, so that the optional position of the high-voltage electron gun 1 in the horizontal plane is changed, and the purpose of expanding the processing range of the high-voltage electron gun 1 is realized.
In any preferred embodiment, the swivel motion assembly comprises: a rotary platform 7 arranged at the top end of the vacuum chamber 3; a first sealing assembly 13 is arranged between the rotating platform 7 and the vacuum chamber 3;
the inner wall of the rotary platform 7, which is contacted with the side wall of the vacuum chamber 3, is provided with two circles of first grooves; the first sealing assembly 13 comprises two first sealing rings mounted in the first groove;
the two sides of the first sealing ring are folded outwards to form a reinforced sealing edge.
In the present embodiment, as shown in fig. 1, a rotary table 7, which is provided at the top end of the vacuum chamber 3, is freely rotatable; the linear motion component is driven to rotate; moreover, the first groove is arranged on the inner wall of the rotary platform 7 contacted with the side wall of the vacuum chamber 3, the number of the first groove is two circles, and the first groove is used for installing a first sealing ring;
as shown in fig. 5, the first sealing assembly 13 is disposed between the rotary platform 7 and the vacuum chamber 3, and when the rotary motion assembly rotates, it performs a dynamic sealing function to ensure a vacuum environment in the vacuum chamber 3; further, the first sealing assembly 13 includes two first sealing rings, the two first sealing rings are respectively installed in the corresponding first grooves, and both sides of the first sealing rings are turned outwards to form a reinforced sealing edge, so as to further improve the sealing effect.
In any preferred embodiment, the swivel motion assembly further comprises: the rotary supporting piece is used for supporting the rotary platform 7 to freely rotate, and the moving through hole is formed in the rotary platform 7; the rotary supporting piece is sleeved on the vacuum chamber 3; the movable through hole is communicated with the top of the vacuum chamber 3 and is used for jetting high-voltage electron beam current to a workpiece to be processed by the high-voltage electron gun 1.
In the present embodiment, a rotary support provided on the vacuum chamber 3 for supporting the rotary platform 7 to rotate freely; as shown in fig. 1, the rotary support is composed of a support sleeve 5 and a thrust ball bearing 6; specifically, the support sleeve 5 is sleeved on the vacuum chamber 3 and supports the thrust ball bearing 6; the thrust ball bearing 6 is arranged on the support sleeve 5 and plays a role in supporting the rotation of the rotating platform 7;
and the moving through hole is formed in the rotating platform 7, is communicated with the top of the vacuum chamber 3, and is used for jetting high-voltage electron beam current to the workpiece to be processed by the high-voltage electron gun 1 so as to facilitate the high-voltage electron gun 1 to process the workpiece in the vacuum chamber 3.
And the driving gear is annularly arranged on the side wall of the rotating platform 7, the rotating platform 7 can be driven to rotate by utilizing the first driving part 8 arranged on the base 2, wherein the first driving part 8 is provided with a driving motor arranged on the base 2 and a driving gear connected with an output shaft of the driving motor, the driving gear is meshed with the driving gear, the driving gear is driven to rotate by utilizing the driving motor, and the driving gear is matched with the driving gear to drive the rotating platform 7 to rotate.
In any preferred embodiment, the linear motion assembly comprises: a guide rail 9 provided on the rotary platform 7 and a slide table 10 provided on the guide rail 9; a second sealing assembly 14 is arranged between the sliding table 10 and the rotating platform 7;
a circle of second groove is formed in the bottom of the sliding table 10; the second seal assembly 14 includes: the second sealing ring and the rubber strip are arranged in the second groove; the second sealing ring is close to the bottom of the second groove, and the rubber strip extends outwards along the side wall of the second groove and can be in sliding contact with the rotating platform 7.
In the present embodiment, as shown in fig. 2, 3 and 4, the guide rail 9 is provided on the rotary platform 7, and is arranged in parallel with the moving through hole on the rotary platform 7 to provide a moving path for the sliding table 10;
the sliding table 10 is arranged on the guide rail 9, the high-voltage electron gun 1 is arranged on the sliding table 10, and the sliding table 10 can freely move on the guide rail 9 so as to drive the high-voltage electron gun 1 to move in the horizontal direction; the second groove is formed in the bottom of the sliding table and used for mounting a second sealing assembly 14;
the mounting hole is formed in the sliding table 10, communicated with the moving through hole and used for mounting the high-voltage electron gun 1;
as shown in fig. 6, the second sealing assembly 14, which is disposed between the sliding table 10 and the rotating platform 7, performs a dynamic sealing function when the linear motion assembly moves, so as to ensure a vacuum environment in the vacuum chamber 3; further, the second seal assembly 14 includes: a second sealing ring and a rubber strip; the second sealing washer is located second recess bottom, and the rubber strip outwards stretches out along second recess lateral wall, can form sliding contact with rotary platform 7 to realize sealed effect.
Further, the rack 11 is arranged on two sides of the sliding table 10 parallel to the guide rail 9, and the rack 11 can be driven to move by using a second driving piece 12 arranged on the rotary platform 7 so as to drive the sliding table 10 to move in the horizontal direction; the second driving member 12 has a motor disposed on the surface of the rotating platform 7 and a driving gear connected to the output shaft of the motor, and the driving gear is meshed with the rack, and the motor drives the driving gear to rotate, so as to drive the rack 11 to move in the horizontal direction, thereby changing the position of the high voltage electron gun 1 in the horizontal direction.
In any preferred embodiment, the side wall of the vacuum chamber 3 is provided with a chamber door 4, and a viewing window is mounted thereon.
In the present embodiment, as shown in fig. 2, a door 4 provided at a side wall of the vacuum chamber 3 so as to transfer a workpiece to be processed into the vacuum chamber 3;
further, an observation window is opened on the chamber door 4 to observe the welding condition of the work in the vacuum chamber 3 when welding is performed.
In any preferred embodiment, a third seal assembly 15 is provided between the chamber door 4 and the vacuum chamber 3;
a third groove is formed in the side wall of the vacuum chamber 3; the third seal assembly 15 includes: a third seal ring disposed in the third groove; one side of the third sealing ring protrudes outwards along the third groove and can be abutted against the surface of the chamber door 4.
In the present embodiment, the third sealing assembly 15 is disposed between the door 4 and the vacuum chamber 3, and is located in the third groove of the vacuum chamber 3, and plays a role of sealing when the door 4 is in a closed state; further, the third sealing assembly 15 includes a third sealing ring, one side of which protrudes outwards along the third groove and can abut against the surface of the chamber door 4 to ensure the vacuum environment of the vacuum chamber 3.
The specific working process is as follows:
before welding, treating the surface of a workpiece to be processed, and clamping the workpiece;
conveying the workpiece to a vacuum chamber, and determining the welding position of the high-voltage electron gun by controlling a handle to adjust a motion mechanism;
closing a chamber door of the vacuum chamber, starting a vacuum pump to pump vacuum, and starting welding after obtaining a vacuum degree of 0.05 Pa;
adjusting the beam current of the high-voltage electron gun on the console, determining the focus position, and observing the welding condition on an observation window;
the motion mechanism drives the high-voltage electron gun to move until the welding work of the workpiece is finished;
and after the welding is finished, releasing the vacuum, opening the vacuum chamber, unloading the workpiece and cleaning the vacuum chamber.
Wherein: when the vacuum pumping operation is executed, the thickness of the wall of the vacuum chamber needs to be determined, so that the vacuum chamber and the electron gun are prevented from being damaged due to the fact that the vacuum chamber and the electron gun cannot bear large pressure;
specifically, for the cylindrical vacuum chamber, the calculation formula of the actual value and the standard value of the wall thickness thereof is as follows:
S＝S0+C
wherein, S-the actual wall thickness of the cylinder [ mm ]]；S0-cylinder calculated wall thickness [ mm [)]；DBInner diameter of cylinder [ mm](ii) a P-external pressure design pressure [ MPa]；EtElastic modulus [ MPa ] at material temperature t](ii) a L-cylinder calculated length [ mm](ii) a C-additional amount of wall thickness [ mm]。
The wall thickness stress checking formula is as follows:
wherein [ p ]]Allowable external pressure [ MPa ]](ii) a B-coefficient, [ MPa ] can be known by table look-up through a graph method]；D0-cylinder outside diameter [ mm ]]；D0/δeEffective thickness of cylinder [ mm]。
The calculated allowable external pressure is greater than or equal to the actual external pressure (0.1MPa), otherwise, the wall thickness is increased until the allowable external pressure meets the requirement.
Preferred embodiments of the present application and description of the technical principles applied. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. A high voltage electron beam welder, comprising:
a base (2) which is provided with a plurality of grooves,
the vacuum chamber (3) is arranged in the base (2) and is used for accommodating a workpiece to be processed;
the high-voltage electron gun (1) is arranged at the top of the vacuum chamber (3) and is used for spraying high-voltage electron beam to a workpiece to be processed to realize welding;
the top end of the vacuum chamber (3) is provided with a movement mechanism for driving the high-voltage electron gun (1) to move freely in the horizontal plane of the top of the vacuum chamber (3) so as to change the processing position of the high-voltage electron gun (1).
2. The high voltage electron beam welding machine of claim 1, wherein said motion mechanism has a rotary motion assembly and a linear motion assembly; the rotary motion component is rotatably connected with the vacuum chamber (3) and can drive the linear motion component to rotate; the linear motion assembly is connected with the high-voltage electron gun (1) and used for changing the processing position of the high-voltage electron gun (1) in the horizontal direction.
3. The high voltage electron beam welder according to claim 2, wherein said rotating motion assembly comprises: a rotary platform (7) arranged at the top end of the vacuum chamber (3); a first sealing assembly (13) is arranged between the rotating platform (7) and the vacuum chamber (3);
the inner wall of the rotary platform (7) which is contacted with the side wall of the vacuum chamber (3) is provided with two circles of first grooves; the first sealing assembly (13) comprises two first sealing rings arranged in the first groove;
the two sides of the first sealing ring are folded outwards to form a reinforced sealing edge.
4. The high voltage electron beam welder according to claim 3, wherein said rotating motion assembly further comprises: the rotary supporting piece is used for supporting the rotary platform (7) to freely rotate, and the moving through hole is formed in the rotary platform (7); the rotary supporting piece is sleeved on the vacuum chamber (3); the mobile through hole is communicated with the top of the vacuum chamber (3) and is used for jetting high-voltage electron beam current to a workpiece to be processed by the high-voltage electron gun (1).
5. The high voltage electron beam welder according to claim 4, characterized in that said linear motion assembly comprises: a guide rail (9) arranged on the rotary platform (7) and a sliding table (10) arranged on the guide rail (9); a second sealing assembly (14) is arranged between the sliding table (10) and the rotating platform (7);
a circle of second groove is formed in the bottom of the sliding table (10); the second seal assembly (14) comprises: the second sealing ring and the rubber strip are arranged in the second groove; the second sealing ring is close to the bottom of the second groove, and the rubber strip extends outwards along the side wall of the second groove and can be in sliding contact with the rotating platform (7).
6. The high-voltage electron beam welding machine according to claim 5, characterized in that the sliding table (10) is further provided with a mounting hole communicated with the moving through hole for mounting the high-voltage electron gun (1).
7. A high-voltage electron beam welding machine as claimed in any one of the preceding claims 3 to 5, characterized in that a first drive member (8) is provided on the base (2) and is arranged in engagement with the gearing of the rotary table (7).
8. A high-voltage electron beam welding machine as claimed in claim 5 or 6, characterized in that a second drive (12) is provided on the rotary platform (7) and is arranged in engagement with a toothed rack (11) on the side edge of the slide (10).
9. A high voltage electron beam welding machine as claimed in claim 1, characterized in that the side walls of said vacuum chamber (3) are provided with a chamber door (4) and a viewing window is mounted thereon.
10. A high voltage electron beam welding machine according to claim 9, characterized in that a third sealing assembly (15) is provided between the chamber door (4) and the vacuum chamber (3);
a third groove is formed in the side wall of the vacuum chamber (3); the third seal assembly (15) comprises: a third seal ring disposed in the third groove; one side of the third sealing ring protrudes outwards along the third groove and can be abutted against the surface of the chamber door (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540521.6A CN113102872A (en) | 2021-05-18 | 2021-05-18 | High-voltage electron beam welding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110540521.6A CN113102872A (en) | 2021-05-18 | 2021-05-18 | High-voltage electron beam welding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116197511A (en) * | 2023-05-06 | 2023-06-02 | 中国航空制造技术研究院 | Electron beam welding device and method for complex part welding seam |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116197511A (en) * | 2023-05-06 | 2023-06-02 | 中国航空制造技术研究院 | Electron beam welding device and method for complex part welding seam |
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