CN105397261B - Portable part low vacuum cold cathode electron beam welder - Google Patents
Portable part low vacuum cold cathode electron beam welder Download PDFInfo
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- CN105397261B CN105397261B CN201511001487.6A CN201511001487A CN105397261B CN 105397261 B CN105397261 B CN 105397261B CN 201511001487 A CN201511001487 A CN 201511001487A CN 105397261 B CN105397261 B CN 105397261B
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- low vacuum
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- cover
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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
- B23K15/06—Electron-beam welding or cutting within a vacuum chamber
-
- 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
- B23K15/0046—Welding
- B23K15/0053—Seam welding
- B23K15/006—Seam welding of rectilinear seams
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Welding Or Cutting Using Electron Beams (AREA)
Abstract
Portable local low vacuum cold cathode electron beam welder of the invention includes：Portal frame, including spaced two column, upper end are connected by crossbeam, there is the processing space of accommodating welding workpiece between two columns；Cold-cathode gun is mobile to be hung on crossbeam；Low vacuum is closed to drag cover to be placed in welding workpiece, top is connected as a single entity with cold-cathode gun lower end, with cold-cathode gun synchronizing moving, cold-cathode gun muzzle stretches into that low vacuum is closed to drag cover, and low vacuum is closed to drag the bottom of cover and be provided with electronic beam current delivery outlet positioned at cold-cathode gun axial location；Control cabinet and cold-cathode gun hanging side by side are on crossbeam, at least provided with dragging cover vacuum sucking mechanism in control cabinet, and low vacuum is closed drags cover to connect.The present invention provides local low vacuum environment, is not required to make whole processing space be in vacuum environment, improves production efficiency；Breaking away from constraint of the vacuum chamber volume to part dimension, there is provided the local low vacuum welding system that can be moved on large-scale workpiece surface.
Description
Technical field
The present invention relates to a kind of Electron beam welding device, especially a kind of portable local low vacuum cold cathode electron beam weldering
Connection device, it is specifically a kind of that the cold cathode electron beam welding that synchronous local low vacuum environment is provided can be moved with electron gun
Device.
Background technology
As countries in the world increasingly strengthen the attention degree of maritime rights and interests, and the exploitation dynamics of marine resources increasing
By force so that new type of ship manufacture, marine petroleum exploitation, large-scale wind driven generator manufacture are developed rapidly, big thickness, large-scale
The welding demand of workpiece is increasing, at present, and big thickness workpiece, the welding procedure of large-scale workpiece are mainly traditional argon arc
Weldering, submerged-arc welding etc..
For large-scale components such as some large pressurized vessels, gas pipeline, ship outer casings, it usually needs bevel, use
The technology of multiple tracks argon arc welding or submerged-arc welding is completed, and production efficiency is than relatively low.In order to improve production efficiency, Britain TWI proposes a kind of
Local low vacuum electron beam welding technology, local low vacuum electron beam welding technology refers to that in vacuum be the closed small of 1mbar
Type drags the electron beam welding technology of work in cover.Such as thick 100mm carbon steel, needs to complete 70 road weld seams using general technology
Workload, and local low vacuum electron beam welding technology only needs to 1 road weld seam and can just completed.If general technology speed of welding is
500mm/min, local low vacuum electron beam welding technology speed of welding is 100mm/min, single for speed of welding, local low
The efficiency of vacuum electron beam welding technology improves 14 times.When considering bevel time, the cleaning work of per pass weld seam on workpiece
Between, then the advantage of local low vacuum electron beam welding technology is more obvious.Tungsten inert-gas welding joint welded seam area is big, local low true
Empty electron beam weld area is narrow, and heat affected area is small, and quality of weld joint is significantly improved.
But the electron gun that Britain TWI local low vacuum electron beam welding technology is used uses RF excited for one kind
The high-pressure electronic rifle of electronics is produced, voltage reaches more than 150kV, peak power 60kW, and operating voltage is high, power is big, it is desirable to have
High withstand voltage insulation system, cooling provision can just make equipment long-term stable operation, in addition, high-pressure electronic rifle needs multistage vapour lock knot
Electronics occurs partly to drag cover portion to separate from this make it that high-pressure electronic gun body product, weight are very big, is used as motion with welding for structure
Load, it is necessary to increase the bearing capacity of motion so that design and manufacture cost increase.RF excited produces electronic pattern,
RF excited source, plasma generator, cooling device etc. are needed, makes control system more complicated, plasma generator is held
Carry the bombardment of high-temperature plasma and cation so that plasma generator service life is shorter.
By used electron gun is high-pressure electronic rifle, the movable type that Britain TWI is developed drags cover structure extremely complex, leads to
Normal mode of operation is close to for large-scale workpiece drags cover periphery to move, and so-called movable type refers to that workpiece is moved.
Cold cathode electron electron gun is a kind of electron beam source based on anode plasma, and cold cathode electron electron gun employs gas
Body discharges to form the pattern of plasma emission electronics, therefore not strict to vacuum level requirements, in 5Pa~10-2Pa can be normal
Work.The negative electrode of cold cathode electron electron gun is the big thickness water cooling aluminium base with certain volume and weight, can be born for a long time just
Ions Bombardment, cathode life is most long up to more than 1000 hours.The negative electrode and anode shape of cold cathode electron electron gun are simple, without
Complex geometric shapes can ensure the stable output of electronic beam current.The special electronics generation technique of cold cathode electron electron gun so that cold
Cathode high voltage cold-cathode gun structural volume is smaller, and the power of cold cathode electron electron gun system can be 1~600kW, power
Density highest can reach 106The gross weight of W/cm2, below power 10kW cold-cathode gas discharge type high-voltage cold-cathode electron gun
Amount is no more than 10kg, and face shaping and one 8 pounds of thermos bottle are close.300kW/30kV cold cathode high-voltage cold-cathode electron gun
Weight is no more than 50kg, highly less than 500mm.
It is due to that operating voltage is low, penetration of electrons ability is poor, makes although cold cathode electron beam source technology is with the obvious advantage
The electron beam source technology for obtaining this superior performance not yet obtains a wide range of popularization and application in welding field.
Drag cover to manufacture and design difficulty to simplify existing local low vacuum Mobile enclosed, break away from vacuum chamber volume to electronics
The constraint of beam welding part size, proposes that a kind of local low vacuum that can be moved on large-scale workpiece surface drags cover structure, and
It is applied to high-voltage cold-cathode electron beam welding technology field, expands the application of high-voltage cold-cathode electron beam source technology.
The content of the invention
The purpose of the present invention is to be to provide a kind of portable local low vacuum cold cathode electron beam welder, to overcome
Above-mentioned the deficiencies in the prior art.By being set in cold-cathode gun lower end, low vacuum is closed to drag cover, and low vacuum is closed to drag cover energy
The environment of a local low vacuum is provided in welding, without making whole welding processing space be completely in vacuum environment
In, therefore production efficiency can be improved, cost is reduced；And low vacuum is closed drags cover same with control cabinet with cold-cathode gun
Step is moved on crossbeam, i.e. closed " environment of local low vacuum " for dragging cover to be provided of low vacuum is moveable, makes the present invention
The local low vacuum cold cathode electron beam welder of movable type can break away from vacuum chamber volume to electron beam welding parts chi
Very little constraint closed drags cover there is provided a kind of local low vacuum that can be moved on large-scale workpiece surface.
Therefore, the present invention proposes a kind of portable local low vacuum cold cathode electron beam welder, it includes：
Portal frame, it includes two columns separately set, and the upper end of column described in two is connected by crossbeam, described in two
The processing space of accommodating welding workpiece is formed between column；
Cold-cathode gun, it is mobile to hang on the crossbeam；
Low vacuum is closed to drag cover, is placed in the welding workpiece, the closed top for dragging cover of the low vacuum and described cold the moon
The lower end of pole electron gun is connected as one, and with the cold-cathode gun synchronizing moving, the muzzle of the cold-cathode gun
Stretch to that the low vacuum is closed to drag in cover, drag the bottom of cover and positioned at the cold-cathode gun axle the low vacuum is closed
Line position is provided with electronic beam current delivery outlet；
Control cabinet, with the cold-cathode gun hanging side by side on the crossbeam, in the control cabinet at least provided with
Drag cover vacuum sucking mechanism, it is described drag cover vacuum sucking mechanism by the first vacuum pipe with the low vacuum is closed drags cover to be connected
It is logical, for closed drag in cover of the low vacuum to be vacuumized.
Portable local low vacuum cold cathode electron beam welder described above, wherein, it is described portable local low true
Air cooling cathode electron beam welder also includes：
Two guide rails, guide rail described in two is longitudinally spaced to be set and is parallel to each other；The lower end of column described in two, which is offered, leads
Track slot, column described in two is slidably matched in which can vertically move respectively by the respective guide groove with guide rail described in two.
Portable local low vacuum cold cathode electron beam welder described above, wherein,
The portal frame also includes the transversal driving mechanism between being horizontally set at the top of column described in two, and the crossbeam is
Horizontal leading screw；
The transversal driving mechanism includes：The horizontal slide rail and the horizontal leading screw transversely be arrangeding in parallel, and laterally
Motor, the first connecting portion part and second connecting portion part；
Horizontal concrete chute is opened up in the horizontal slide rail；The horizontal drive motor is connected with the horizontal leading screw, described
Horizontal drive motor can drive the horizontal leading screw to rotate；
One first screwed hole is opened up in the first connecting portion part, the first connecting portion part passes through first screwed hole
Coordinate with the horizontal leading screw screw thread；It is described and one end of the first connecting portion part is fixedly arranged on the cold-cathode gun
The other end of the first connecting portion part is slided and is embedded in the horizontal concrete chute；The cold-cathode gun is connected by described first
Part and the screw thread of the horizontal leading screw coordinate the transverse shifting in the horizontal leading screw；
One second screwed hole is opened up on the second connecting portion part, the second connecting portion part passes through second screwed hole
Coordinate with the horizontal leading screw screw thread；And one end of the second connecting portion part is fixedly arranged on the control cabinet, described second connects
The other end of relay part is slided and is embedded in the horizontal concrete chute；
The control cabinet is coordinated in the horizontal leading screw by the second connecting portion part and the screw thread of the horizontal leading screw
It is upper to be moved with the cold-cathode gun synchronous horizontal.
Portable local low vacuum cold cathode electron beam welder described above, wherein, it is described portable local low true
Air cooling cathode electron beam welder also includes connecting the axially driving of the first connecting portion part and the cold-cathode gun
Mechanism, the axial actuating mechanism includes：The axial slide rail and axial leading screw be arrangeding in parallel vertically, and axially driving motor
With cold-cathode gun hold-down support；
Also offer a through hole in the first connecting portion part vertically, the axial leading screw by the through hole with
The first connecting portion part is connected；
Axial slide is opened up on the axial slide rail, the axial slide rail is fixedly arranged in the first connecting portion part；
The axially driving motor is connected with the axial leading screw, and the axially driving motor can drive the axial silk
Thick stick rotates；
One the 3rd screwed hole is opened up on the cold-cathode gun hold-down support, the cold-cathode gun hold-down support leads to
The 3rd screwed hole is crossed with the axial threads of lead screw to coordinate；The cold-cathode gun is installed in the cold-cathode gun
One end of hold-down support, the other end of the cold-cathode gun hold-down support, which is slided, to be embedded in the axial slide；It is described
Cold-cathode gun is coordinated by the screw thread of the cold-cathode gun hold-down support and the axial leading screw can be in the axial direction
Moved axially on leading screw.
Portable local low vacuum cold cathode electron beam welder described above, wherein, the electronic beam current delivery outlet
Edge from outside to inside be provided with least one layer of first flexible skirt structure, the closed edge for dragging cover lower surface of the low vacuum is by outer
At least one layer of second flexible skirt structure is provided with to interior；The first flexible skirt structure and the second flexible skirt structure are equal
With the lower ora terminalis on the welding workpiece surface can be fitted in.
Portable local low vacuum cold cathode electron beam welder described above, wherein, the first flexible skirt knot
Structure and the second flexible skirt structure are to be made of asbestos cloth material.
Portable local low vacuum cold cathode electron beam welder described above, wherein, the low vacuum is closed to drag cover
Lower surface be equiped with multiple universal wheels, be equipped with bullet between each universal wheel and the closed lower surface for dragging cover of the low vacuum
Spring.
Portable local low vacuum cold cathode electron beam welder described above, wherein, the low vacuum is closed to drag cover
Upper end be equiped with and can measure the closed Distance-sensing for dragging distance between cover upper end and the welding workpiece surface of the low vacuum
Device, when the low vacuum is closed drags the distance between cover upper end and described welding workpiece surface to be less than setting value, the distance
Sensor sends locking signal to the controller of the axially driving motor, brakes the axially driving motor so that described cold
Cathode electron gun and the low vacuum it is closed drag cover stop move axially downwards.
Portable local low vacuum cold cathode electron beam welder described above, wherein, in the control cabinet at least
Electron gun vacuum aspirating mechanism is additionally provided with, the electron gun vacuum aspirating mechanism passes through the second vacuum pipe and cold cathode electricity
Sub- rifle is connected, for will be vacuumized in the cold-cathode gun.
Portable local low vacuum cold cathode electron beam welder described above, wherein, the cold-cathode gun is
High-voltage cold-cathode electron gun, its voltage is≤60 kilovolts.
The characteristics of portable local low vacuum cold cathode electron beam welder proposed by the present invention and advantage are：
The closed environment for dragging cover to provide a local low vacuum in welding of low vacuum that the present invention is provided with, without
Whole welding processing space is completely in vacuum environment, therefore production efficiency can be improved, cost is reduced；And low vacuum is close
Close and drag cover synchronous with control cabinet to be moved on crossbeam with cold-cathode gun, i.e., low vacuum is closed drags the " part that cover is provided
The environment of low vacuum " is moveable, the local low vacuum cold cathode electron beam welder of movable type of the present invention is put
There is provided a kind of part that can be moved on large-scale workpiece surface for constraint of the de- vacuum chamber volume to electron beam welding element size
Low vacuum welding system；Cover connection cold-cathode gun is dragged to make the present invention's simple in construction in addition, low vacuum is closed, and can be by it
Applied to high-voltage cold-cathode electron beam welding technology field, the application of high-voltage cold-cathode electron beam source technology is expanded.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is front view of the invention；
Fig. 2 is the left view of the axial actuating mechanism of the present invention；
Fig. 3 is Fig. 2 top view；
Fig. 4 is the closed structural representation for dragging cover of low vacuum；
Fig. 5 is the closed upward view for dragging cover of low vacuum；
Fig. 6 is the structural representation of universal wheel；
Fig. 7 is dimensional structure diagram of the invention.
Reference numeral explanation：
The axial actuating mechanism of 1 guide rail 7
The axial slide rail of 2 portal frame 71
The axial slide of 21 column 711
The axial leading screw of 211 guide groove 72
The axially driving motor of 22 transversal driving mechanism 73
The cold-cathode gun hold-down support of 221 horizontal slide rail 74
The screwed hole of 2211 horizontal concrete chute 741 the 3rd
The tranverse connecting rod of 222 horizontal leading screw 8
The low vacuum of 223 horizontal drive motor 9 is closed to drag cover
The electronic beam current delivery outlet of 224 the first connecting portion part 91
The vacuum pipe of 2241 first screwed hole 10 second
The welding workpiece of 2242 through hole 11
The range sensor of 225 second connecting portion part 12
The vacuum transducer of 2251 second screwed hole 13
The flange of 3 cold-cathode gun 14
The universal wheel of 31 water cooled pipeline 15
The universal wheel mounting seat of 4 control cabinet 16
The spring of 41 electron gun vacuum aspirating mechanism 17
The flexible skirt structure of 42 high voltage power supply 18 first
43 drag the flexible skirt structure of cover vacuum sucking mechanism 19 second
The operation control system of 44 cable 100
The cooling system of 5 first vacuum pipe 101
6 high-tension cable B receive arc position
The initial position while welding C arrows of A
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now control illustrates this hair
Bright embodiment：
Such as Fig. 1, as shown in figure 4, the local low vacuum cold cathode electron beam welder of the movable type of the present invention includes：Gantry
Frame 2, it includes two columns 21 separately set, and the upper end of two columns 21 is connected by crossbeam, is formed between two columns 21
The processing space of accommodating welding workpiece 11；Cold-cathode gun 3, it is mobile to hang on crossbeam；Low vacuum is closed to drag cover 9,
It is placed in welding workpiece 11, the closed top and the lower end of cold-cathode gun 3 for dragging cover 9 of low vacuum is connected as one, and with cold
The synchronizing moving of cathode electron gun 3, the muzzle of cold-cathode gun 3 stretches to that low vacuum is closed to drag in cover 9, drags low vacuum is closed
Cover 9 bottom and positioned at the axial location of cold-cathode gun 3 provided with electronic beam current delivery outlet 91；Control cabinet 4, with cold cathode electron
The hanging side by side of rifle 3, at least provided with cover vacuum sucking mechanism 43 is dragged in control cabinet 4, drags cover vacuum sucking mechanism 43 on crossbeam
Cover 9 is dragged to be connected by the way that the first vacuum pipe 5 and low vacuum are closed, for low vacuum closed drag to be vacuumized in cover 9.The present invention
The low vacuum that is provided with of the local low vacuum cold cathode electron beam welder of movable type it is closed drag cover 9, one can be provided in welding
The environment of individual local low vacuum, specifically refers to the closed vacuum dragged in cover 9 of low vacuum for 1mbar (i.e. 100Pa), without
Whole welding processing space is completely in vacuum environment, therefore production efficiency can be improved, cost is reduced；And low vacuum is close
Close and drag cover 9 synchronous with control cabinet 4 to be moved on crossbeam with cold-cathode gun 3, i.e., low vacuum is closed drags what cover 9 was provided
" environment of local low vacuum " is moveable, enables the local low vacuum cold cathode electron beam welder of movable type of the present invention
Enough breaking away from vacuum chamber volume can move to the constraint of electron beam welding element size there is provided a kind of on large-scale workpiece surface
Local low vacuum welding system；The connection cold-cathode gun 3 of cover 9 is dragged to make the present invention's simple in construction in addition, low vacuum is closed, and
High-voltage cold-cathode electron beam welding technology field can be applied to, the application model of high-voltage cold-cathode electron beam source technology is expanded
Enclose.
Wherein, cold-cathode gun 3 and low vacuum closed drag can be connected by flange 14 between cover 9.The present invention is to cold
Cathode electron gun 3 and the closed connected mode dragged between cover 9 of low vacuum are not limited.It is preferred that when using flange connection, also
Sealed provided with drag closed to cold-cathode gun 3 and low vacuum of sealing gasket between cover 9.
In a feasible embodiment, portable part low vacuum cold cathode electron beam welder also includes：Two lead
Rail 1, the longitudinally spaced setting of two guide rails 1 and is parallel to each other；The lower end of two columns 21 offers guide groove 211, two columns 21
It is slidably matched by respective guide groove 211 with two guide rails 1 with vertically moving respectively." longitudinal direction " of the present invention is Fig. 1
In perpendicular to the direction of paper, " transverse direction " is the horizontal direction in Fig. 1 papers, and " axial direction " is the vertical direction in Fig. 1 papers.
When two columns 21 of portal frame 2 are vertically moved on two guide rails 1, low vacuum is closed drag cover 9 can with cold-cathode gun 3, with
Control cabinet 4 is vertically moved with portal frame 2 is synchronous.
Further, portal frame 2 also includes the transversal driving mechanism 22 being horizontally set between the top of two column 21, crossbeam
For horizontal leading screw 222；Transversal driving mechanism 22 includes：The horizontal slide rail 221 and horizontal leading screw 222 transversely be arrangeding in parallel, with
And horizontal drive motor 223, the first connecting portion part 224 and second connecting portion part 225；Horizontal concrete chute is opened up in horizontal slide rail 221
2211；Horizontal drive motor 223 is connected with horizontal leading screw 222, and horizontal drive motor 223 can drive horizontal leading screw 222 to rotate；
One first screwed hole 2241 is opened up in the first connecting portion part 224, the first connecting portion part 224 is by the first screwed hole 2241 and laterally
The screw thread of leading screw 222 coordinates；And one end of the first connecting portion part 224 is fixedly arranged on cold-cathode gun 3, the first connecting portion part 224
The other end slide be embedded in horizontal concrete chute 2211；Cold-cathode gun 3 passes through the first connecting portion part 224 and horizontal leading screw
222 screw thread coordinates the transverse shifting in horizontal leading screw 222；One second screwed hole 2251 is opened up on second connecting portion part 225, the
Two connection members 225 are coordinated by the second screwed hole 2251 and the screw thread of horizontal leading screw 222；And one end of second connecting portion part 225
It is fixedly arranged on control cabinet 4, the other end of second connecting portion part 225, which is slided, to be embedded in horizontal concrete chute 2211；Control cabinet 4 passes through
The screw thread of two connection members 225 and horizontal leading screw 222 coordinates to be moved in horizontal leading screw 222 with the synchronous horizontal of cold-cathode gun 3
It is dynamic.When the transversal driving mechanism 22 between the top of two column 21 is acted on, the cold the moon hung on transversal driving mechanism 22
Pole electron gun 3 (and low vacuum is closed drag cover 9) and control cabinet 4, i.e., can be synchronous horizontal under the driving effect of transversal driving mechanism 22
To movement.The local low vacuum cold cathode electron beam welder of movable type of the present invention, can synchronous vertical and horizontal by setting
Mobile control cabinet 4 and cold-cathode gun 3, and the low vacuum that is connected with cold-cathode gun 3 is closed drags cover 9, realizes weldering
May move for connection device, makes the local low vacuum cold cathode electron beam welder of movable type of the present invention, can break away from vacuum chamber
There is provided a kind of local low vacuum that can be moved on large-scale workpiece surface is close for constraint of the volume to electron beam welding element size
Close and drag cover, and high-voltage cold-cathode electron beam welding technology field can be applied to, expand high-voltage cold-cathode electron beam source technology
Application.
Wherein, horizontal leading screw 222 can be connected (not shown) by bearing with the column 21 of portal frame 2, the first connection
One end of part 224 can be fixedly arranged on cold-cathode gun 3 by modes such as welding, and one end of second connecting portion part 225 also may be used
It is fixedly arranged on by modes such as welding on control cabinet 4, the present invention is not limited above-mentioned connected mode.It is connected with horizontal leading screw 222
When the horizontal drive motor 223 connect is acted on, horizontal leading screw 222 can be driven to drive cold-cathode gun 3 and the synchronous horizontal of control cabinet 4
Mobile, when 223 forward or reverse of horizontal drive motor, cold-cathode gun 3 can be realized towards different directions with control cabinet 4
It is mobile, such as the signified left-hands of arrow C or opposite to that dextrad in Fig. 1.
It is preferred that a fixed tranverse connecting rod 8 between the first connecting portion part 224 and second connecting portion part 225.Tranverse connecting rod 8 and
It can be attached between one connection member 224 and second connecting portion part 225 by modes such as welding, the present invention is not limited this
It is fixed.Fixed tranverse connecting rod 8 between the first connecting portion part 224 and second connecting portion part 225, can guarantee that cold-cathode gun 3 and control
When case 4 processed is moved back and forth in horizontal leading screw 222, the fortuitous event such as will not be collided, and the length of different tranverse connecting rods 8 is determined
The distance between cold-cathode gun 3 and control cabinet 4, the concrete numerical value of distance can be selected according to actual conditions.
Further, as shown in Figure 2 and Figure 3, portable local low vacuum cold cathode electron beam welder also includes connecting
The axial actuating mechanism 7 of the first connecting portion part 224 and cold-cathode gun 3 is connect, axial actuating mechanism 7 includes：It is parallel vertically
The axial slide rail 71 of setting and axial leading screw 72, and axially driving motor 73 and cold-cathode gun hold-down support 74；First
A through hole 2242 is also offered in connection member 224 vertically, axial leading screw 72 passes through through hole 2242 and first connecting portion
Part 224 is connected；Axial slide 711 is opened up on axial slide rail 71, axial slide rail 71 is fixedly arranged in the first connecting portion part 224；Axially
Motor 73 is connected with axial leading screw 72, and the axially driving energy driving axial of motor 73 leading screw 72 rotates；Cold-cathode gun
One the 3rd screwed hole 741 is opened up on hold-down support 74, cold-cathode gun hold-down support 74 passes through the 3rd screwed hole 741 and axial direction
The screw thread of leading screw 72 coordinates；Cold-cathode gun 3 is installed in one end of cold-cathode gun hold-down support 74, and cold-cathode gun is solid
The other end slip for determining bearing 74 is embedded in axial slide 711；Cold-cathode gun 3 passes through cold-cathode gun hold-down support
74 coordinate and can be moved axially on axial leading screw 72 with the screw thread of axial leading screw 72.Through hole in the first connecting portion part 224
Bearing can be set in 2242, one end of axial leading screw 72 is connected by bearing with the first connecting portion part 224；The first connecting portion part
224 one end can be fixedly arranged on cold-cathode gun 3 by modes such as welding, and axial slide rail 71 can be fixed by modes such as welding
In in the first connecting portion part 224, the present invention is not limited above-mentioned connected mode.What is be connected with axial leading screw 72 is axially driving
When motor 73 is acted on, energy driving axial leading screw 72 drives cold-cathode gun 3 to be axially moveable, when axially driving motor 73 is rotated forward
Or during reversion, cold-cathode gun 3, which can be realized, axially to be moved up and down.
It is preferred that the edge of electronic beam current delivery outlet 91 is provided with least one layer of first flexible skirt structure 18 from outside to inside,
The closed edge for dragging the lower surface of cover 9 of low vacuum is provided with least one layer of second flexible skirt structure 19 from outside to inside；First flexible skirt
The flexible skirt structure 19 of side structure 18 and second, which is respectively provided with, can fit in the lower ora terminalis on the surface of welding workpiece 11.In the shifting of the present invention
During dynamic formula part low vacuum cold cathode electron beam welder work, the first flexible skirt structure 18 and the second flexible skirt structure
19 lower ora terminalis fits in the surface of welding workpiece 11, the first flexible skirt structure 18 and second being made of flexible material
Flexible skirt structure 19 plays protective action, can prevent the excessive wear to welding workpiece 11.
Wherein, the first flexible skirt structure 18 and the second flexible skirt structure 19 are to be made of asbestos cloth material.The
One flexible skirt structure 18 and the second flexible skirt structure 19 can be also made of other high-temperature-resistant flexible materials, and the present invention is right
The flexible material that the first flexible skirt structure 18 and the second flexible skirt structure 19 is made is not limited, as long as can realize prevents
To the over worn known materials of welding workpiece 11.
Further, as shown in fig. 6, the closed lower surface for dragging cover 9 of low vacuum is equiped with multiple universal wheels 15, each universal wheel
Spring 17 is equipped between 15 and the closed lower surface for dragging cover 9 of low vacuum.Multiple universal wheels 15 are used to support low vacuum is closed to drag
The motion of cover 9；The spring 17 set between the closed lower surface for dragging cover 9 of each universal wheel 15 and low vacuum, is easy for adjustment low
The laminating degree between cover 9 and welding workpiece 11 is dragged in vacuum tightness, while also having certain cushioning effect.
Wherein, it is many as shown in figure 5, the closed lower surface for dragging cover 9 of low vacuum can also be provided with multiple universal wheel mounting seats 16
Individual universal wheel 15 can be installed in the closed lower surface for dragging cover 9 of low vacuum by universal wheel mounting seat 16.
Drag the upper end of cover 9 to be equiped with to measure that low vacuum is closed to drag the upper end of cover 9 and welding workpiece it is preferred that low vacuum is closed
The range sensor 12 of distance between 11 surfaces, the distance between the upper end of cover 9 and the surface of welding workpiece 11 are dragged when low vacuum is closed
During less than setting value, range sensor 12 sends locking signal to the controller of axially driving motor 73, brakes axially driving electricity
Machine 73 so that cold-cathode gun 3 and low vacuum it is closed drag cover 9 stop move axially downwards, to prevent low vacuum is closed from dragging cover 9
It is subject to crushing.
Further, electron gun vacuum aspirating mechanism 41, electron gun vacuum suction machine are at least additionally provided with control cabinet 4
Structure 41 is connected by the second vacuum pipe 10 with cold-cathode gun 3, for will be vacuumized in cold-cathode gun 3.
Wherein, high voltage power supply 42 is also equipped with control cabinet 4, cold-cathode gun 3 passes through high-tension cable 6 and high voltage power supply
42 are connected.High voltage power supply 42 is used to export high pressure to cold-cathode gun 3.Electron gun vacuum aspirating mechanism in control cabinet 4
41 and the opening and closing of cover vacuum sucking mechanism 43 are dragged to be controlled by control system 100.
In a feasible embodiment, cold-cathode gun 3 is high-voltage cold-cathode electron gun, and its voltage is≤60 thousand
Volt.
As shown in fig. 7, further illustrating the work of the local low vacuum cold cathode electron beam welder of movable type of the present invention
Make process：
Step 1：Operation control system 100 sends motion control instruction, starts transversal driving mechanism 22, makes control cabinet 4, cold
Cathode electron gun 3 and low vacuum is closed drags cover 9 to be moved to initial position while welding A points, makes output line along cold-cathode gun 3
Axis direction points to Weld pipe mill；Now, local low vacuum working region is formed on the surface of welding workpiece 11；
Step 2：Start longitudinal driving mechanism 7, make closed the first skirt border structure of multilayer 18 and second dragged on cover 9 of low vacuum
Surface of the skirt border structure 19 with welding workpiece 11 is brought into close contact, meanwhile, detection low vacuum is closed to drag set Distance-sensing on cover 9
The signal of device 12, it is to avoid low vacuum is closed to drag cover 9 to be subject to crushing；
Step 3：Start electron gun vacuum aspirating mechanism 41 and drag cover vacuum sucking mechanism 43, when cold-cathode gun 3
Vacuum is 1Pa, when the closed vacuum dragged in cover 9 of the low vacuum that vacuum transducer 13 is detected is 100Pa or so, is started high
Voltage source 42 so that cold-cathode gun 3 exports line；
Step 4：Make that portal frame 2 drives control cabinet 4, cold-cathode gun 3 along track 1 and low vacuum is closed drags the edge of cover 9
Weld seam to be vertically moved, the receipts arc position B points of welding workpiece 11 are moved to portal frame 2；
Step 5：Operation control system 100 sends stop motion control instruction, stops lengthwise movement, simultaneously closes off high-tension electricity
Source 42, closes output line；
Step 6：Operation control system 100 closes electron gun vacuum aspirating mechanism 41 and drags cover vacuum sucking mechanism 43；
Step 7：Start air bleeding step, when the closed vacuum dragged in cover 9 of the low vacuum that vacuum transducer 13 is detected reaches
To after atmospheric pressure, operation control system 100 starts axial actuating mechanism 7, drags cover 9 by cold-cathode gun 3 and low vacuum are closed
Separated with welding workpiece 11；
Step 8：Weld seam is checked, if weldquality is intact, into subsequent processing；
Step 9：If weldquality is defective, then control cabinet 4 and cold-cathode gun 3 are moved into lack of penetration position；Weight
1~step 8 of multiple operating procedure, carries out repair welding.
Schematical embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, made equivalent variations and modification on the premise of the design of the present invention and principle is not departed from,
The scope of protection of the invention should be belonged to.And it should be noted that each part of the present invention is not limited in above-mentioned entirety
Using each technical characteristic described in specification of the invention can select one individually to use or select many according to actual needs
Item combines and used, therefore, and the present invention covers other combinations relevant with this case inventive point and specifically should in the nature of things
With.
Claims (8)
1. a kind of portable local low vacuum cold cathode electron beam welder, it is characterised in that described portable local low true
Air cooling cathode electron beam welder includes：
Portal frame, it includes two columns separately set, and the upper end of column described in two is connected by crossbeam, column described in two
Between form the processing space of accommodating welding workpiece；
Cold-cathode gun, it is mobile to hang on the crossbeam；
Low vacuum is closed to drag cover, is placed in the welding workpiece, the closed top for dragging cover of the low vacuum and cold cathode electricity
The lower end of sub- rifle is connected as one, and with the cold-cathode gun synchronizing moving, the muzzle of the cold-cathode gun is stretched into
Drags in cover to the low vacuum is closed, drag the bottom of cover and positioned at cold cathode electron gun axis line position the low vacuum is closed
Electronic beam current delivery outlet is installed；
Control cabinet, with the cold-cathode gun hanging side by side on the crossbeam, at least provided with dragging cover in the control cabinet
Vacuum sucking mechanism, it is described drag cover vacuum sucking mechanism by the first vacuum pipe with the low vacuum is closed drags cover to be connected,
For closed drag in cover of the low vacuum to be vacuumized；
Electron gun vacuum aspirating mechanism is at least additionally provided with the control cabinet, the electron gun vacuum aspirating mechanism passes through second
Vacuum pipe is connected with the cold-cathode gun, for will be vacuumized in the cold-cathode gun；
The low vacuum is closed to drag the lower surface of cover to be equiped with multiple universal wheels, each universal wheel with the low vacuum is closed drags
Spring is equipped between the lower surface of cover.
2. portable local low vacuum cold cathode electron beam welder as claimed in claim 1, it is characterised in that the shifting
Dynamic formula part low vacuum cold cathode electron beam welder also includes：
Two guide rails, guide rail described in two is longitudinally spaced to be set and is parallel to each other；The lower end of column described in two offers guide groove,
Column described in two is slidably matched in which can vertically move respectively by the respective guide groove with guide rail described in two.
3. portable local low vacuum cold cathode electron beam welder as claimed in claim 2, it is characterised in that
The portal frame also includes the transversal driving mechanism between being horizontally set at the top of column described in two, and the crossbeam is laterally
Leading screw；
The transversal driving mechanism includes：The horizontal slide rail and the horizontal leading screw transversely be arrangeding in parallel, and it is laterally driven
Motor, the first connecting portion part and second connecting portion part；
Horizontal concrete chute is opened up in the horizontal slide rail；The horizontal drive motor is connected with the horizontal leading screw, the transverse direction
Motor can drive the horizontal leading screw to rotate；
One first screwed hole is opened up in the first connecting portion part, the first connecting portion part passes through first screwed hole and institute
State the cooperation of horizontal leading screw screw thread；And one end of the first connecting portion part is fixedly arranged on the cold-cathode gun, described first
The other end of connection member is slided and is embedded in the horizontal concrete chute；The cold-cathode gun passes through the first connecting portion part
Coordinate the transverse shifting in the horizontal leading screw with the screw thread of the horizontal leading screw；
One second screwed hole is opened up on the second connecting portion part, the second connecting portion part passes through second screwed hole and institute
State the cooperation of horizontal leading screw screw thread；And one end of the second connecting portion part is fixedly arranged on the control cabinet, the second connecting portion
The other end of part is slided and is embedded in the horizontal concrete chute；
The control cabinet by the screw thread of the second connecting portion part and the horizontal leading screw coordinate in the horizontal leading screw with
The cold-cathode gun synchronous horizontal movement.
4. portable local low vacuum cold cathode electron beam welder as claimed in claim 3, it is characterised in that the shifting
Dynamic formula part low vacuum cold cathode electron beam welder also includes connecting the first connecting portion part and the cold cathode electron
The axial actuating mechanism of rifle, the axial actuating mechanism includes：The axial slide rail and axial leading screw be arrangeding in parallel vertically, and
Axially driving motor and cold-cathode gun hold-down support；
Also offer a through hole in the first connecting portion part vertically, the axial leading screw by the through hole with it is described
The first connecting portion part is connected；
Axial slide is opened up on the axial slide rail, the axial slide rail is fixedly arranged in the first connecting portion part；
The axially driving motor is connected with the axial leading screw, and the axially driving motor can drive the axial leading screw rotation
Turn；
One the 3rd screwed hole is opened up on the cold-cathode gun hold-down support, the cold-cathode gun hold-down support passes through institute
The 3rd screwed hole is stated with the axial threads of lead screw to coordinate；The cold-cathode gun is installed in the cold-cathode gun and fixed
One end of bearing, the other end of the cold-cathode gun hold-down support, which is slided, to be embedded in the axial slide；Described cold the moon
Pole electron gun is coordinated by the screw thread of the cold-cathode gun hold-down support and the axial leading screw can be in the axial leading screw
Upper axial movement.
5. portable local low vacuum cold cathode electron beam welder as claimed in claim 1, it is characterised in that the electricity
The edge of beamlet stream delivery outlet is provided with least one layer of first flexible skirt structure from outside to inside, and the low vacuum is closed to drag cover lower end
The edge in face is provided with least one layer of second flexible skirt structure from outside to inside；The first flexible skirt structure and described second soft
Property skirt border structure, which is respectively provided with, can fit in the lower ora terminalis on the welding workpiece surface.
6. low vacuum cold cathode electron beam welder as claimed in claim 5 portable local, it is characterised in that described the
One flexible skirt structure and the second flexible skirt structure are to be made of asbestos cloth material.
7. portable local low vacuum cold cathode electron beam welder as claimed in claim 4, it is characterised in that described low
Vacuum tightness, which drags the upper end of cover to be equiped with, can measure the closed spacing for dragging cover upper end and the welding workpiece surface of the low vacuum
From range sensor, drag the distance between cover upper end and described welding workpiece surface to be less than setting value when the low vacuum is closed
When, the range sensor sends locking signal to the controller of the axially driving motor, brakes the axially driving motor,
So that the cold-cathode gun and the low vacuum it is closed drag cover stop move axially downwards.
8. portable local low vacuum cold cathode electron beam welder as claimed in claim 1, it is characterised in that described cold
Cathode electron gun is high-voltage cold-cathode electron gun, and its voltage is≤60 kilovolts.
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| CN201511001487.6A CN105397261B (en) | 2015-12-28 | 2015-12-28 | Portable part low vacuum cold cathode electron beam welder |
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| CN201511001487.6A CN105397261B (en) | 2015-12-28 | 2015-12-28 | Portable part low vacuum cold cathode electron beam welder |
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| CN105397261B true CN105397261B (en) | 2017-11-07 |
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| CN106938368B (en) * | 2017-05-03 | 2023-09-19 | 桂林实创真空数控设备有限公司 | Linear local dynamic seal movement mechanism with X-ray protection function |
| CN107538123A (en) * | 2017-10-11 | 2018-01-05 | 桂林实创真空数控设备有限公司 | Suitable for the electron beam welding machine of big curved weld |
| CN110303235B (en) * | 2019-07-09 | 2021-03-16 | 昆山美仑工业样机有限公司 | Electron beam welding platform convenient for welding pipe rotation |
| 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 |
| CN115415655B (en) * | 2022-10-21 | 2024-01-19 | 中国船舶重工集团公司第七二五研究所 | Partial vacuum electron beam welding vacuum sealing system |
| CN117583714A (en) * | 2024-01-19 | 2024-02-23 | 中国航空制造技术研究院 | Partial high-vacuum electron beam welding device and method for aviation large-scale plate-shaped structure |
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| US3702389A (en) * | 1970-08-03 | 1972-11-07 | Jean Pierre Peyrot | Welding by electron bombardment |
| CN1422722A (en) * | 2002-12-30 | 2003-06-11 | 方立武 | Large-sized container local vacuum electron beam welding apparatus and method |
| JP6037741B2 (en) * | 2012-09-18 | 2016-12-07 | 三菱重工工作機械株式会社 | Mobile vacuum welding equipment |
| CN203356841U (en) * | 2013-07-09 | 2013-12-25 | 桂林狮达机电技术工程有限公司 | Large thick plate vacuum electron beam composite welding machine |
| CN103433650B (en) * | 2013-07-18 | 2016-02-24 | 浙江中隧桥波形钢腹板有限公司 | Absorption type vacuum welding equipment and technique |
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Address after: 100024 North East military villa, eight Li bridge, Chaoyang District, Beijing Patentee after: China Institute of Aeronautical Manufacturing Technology Address before: 100024 North East military villa, eight Li bridge, Chaoyang District, Beijing Patentee before: Beijing Aviation Manufacturing Engineering Institute of China Aviation Industry Group Company |