CN108500428A - A kind of aeroengine combustor liner tile fragment welding method - Google Patents
A kind of aeroengine combustor liner tile fragment welding method Download PDFInfo
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- CN108500428A CN108500428A CN201810290608.0A CN201810290608A CN108500428A CN 108500428 A CN108500428 A CN 108500428A CN 201810290608 A CN201810290608 A CN 201810290608A CN 108500428 A CN108500428 A CN 108500428A
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- stud
- welding
- floating pad
- sliding rails
- tile fragment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/20—Stud welding
Abstract
The present invention relates to aero-engine technology field, especially aeroengine combustor liner tile fragment welding method, including floating pad and stud, the floating pad and stud are using forging as raw material, and steps are as follows for the welding procedure of the floating pad and stud:(1)Mechanical processing;(2)Surface treatment;(3)Clamping;(4)Stud welding;(5)Pincers are repaiied;(6)It examines, it solves existing using argon arc welding that stud welding is larger to floating pad upper stud perpendicularity deviation, lack of penetration phenomenon may occur in the central area that stud is connect with floating pad simultaneously, and then influence weld strength, stud welding positioning accuracy is low, it is big using integrated machine add mode metal cutting amount, not only stock utilization is low, the process-cycle is long, and in machine adds cutting process, it is easy to happen high-temperature machining thermal deformation, destressing heat treatment process is needed after processing, further increases production cost and period problem.
Description
Technical field
The present invention relates to aero-engine technology field, especially a kind of aeroengine combustor liner tile fragment welding method.
Background technology
Aeroengine combustor buring room is one of important component of engine, is subject to the maximum component of thermic load, engine
Reliability, economy and service life depend greatly on the reliability and effectiveness of combustion chamber.Combustion chamber operational item
Part is very severe, and part works under high temperature, high load capacity, and it is multiple to subject dead load, dynamic loading, thermal stress and heat erosion etc.
Effect.And floating wall tile fragment is one of very important part in the burner inner liner of high thrust-weight ratio aeroengine combustor buring room, it is general to fill
Assigned in burner inner liner inner wall outside and inside outer wall, main function is to separate high-temperature fuel gas and the inside and outside wall of burner inner liner, in burner inner liner
Cooling air flow passage is formed between tile fragment, to avoid burner inner liner from directly being washed away and corroded by high-temperature fuel gas, effectively reduces fire
Flame cylinder barrel temperature, prolongs the service life.
Arc stud welding is the method being welded to metallic stud or other similar metal fastenings etc. on workpiece, is to improve
Cylindrical metal, can be welded to metal mother by the professional welding technique that welding quality and efficiency grow up in 3-5ms
The surface of material.
Engine design at present is upper mainly cold using single wall gaseous film control combustion chamber flame drum and double wall floating pad
But combustion chamber flame drum, floating pad are connected by way of Stud connection with burner inner liner inside and outside wall, and conventional method is to use argon
Arc-welding by stud welding to floating pad or by the way of being machined on solid forging, but aforesaid way exist with
Lower problem.
1:Conventional method is had the following disadvantages in stud welding to floating pad using argon arc welding:
1)Argon arc welding heat input is big, and post welding distortion is larger or even the case where floating pad burn-through occurs, leads to stud verticality
Deviation is big;
2)There is lack of penetration phenomenon in the central area that stud is connect with floating floating pad, and then the problem of insufficient strength occurs.
3)Stud is big mainly by carrying out getting positioning ready after worker's scribing line, crossing during manual operation and getting position error ready
And then cause stud welding positioning accuracy low.
2:Although can ensure product quality using integrated machine add mode, have the following disadvantages:
1)Metal cutting amount is big, stock utilization is relatively low, and the process-cycle is long;
2)High-temperature machining is to be easy to happen thermal deformation;
3)Destressing heat treatment process is needed after processing, further increases production cost and period.
In conclusion at present there is an urgent need for a kind of technical solution solve it is existing using the big post welding distortion of argon arc welding heat input compared with
It is big the case where floating pad burn-through even occur, or may occur in the central area that stud is connect with floating pad lack of penetration
Phenomenon, and then weld strength is influenced, stud carries out getting positioning ready after crossing mainly by worker, crosses and beats during manual operation
Point location error causes stud welding positioning accuracy low in turn greatly, big using integrated machine add mode metal cutting amount, not only material
Utilization rate is low, the process-cycle is long, and in machine adds cutting process, is easy to happen high-temperature machining thermal deformation, is needed after processing
Stress heat treatment procedure further increases production cost and period problem.
Invention content
It is existing larger or even float using the big post welding distortion of argon arc welding heat input it is an object of the invention to solve
The case where dynamic tile fragment burn-through, or lack of penetration phenomenon, Jin Erying may occur in the central area that stud is connect with floating pad
Weld strength is rung, stud carries out getting positioning ready after crossing mainly by worker, and position error is crossed and get ready during manual operation
Big to cause stud welding positioning accuracy low in turn, big using integrated machine add mode metal cutting amount, not only stock utilization is low, adds
The work period is long, and in machine adds cutting process, is easy to happen high-temperature machining thermal deformation, destressing heat treatment work is needed after processing
Sequence further increases production cost and period problem.
To achieve the above object, the technical solution adopted by the present invention is:
A kind of aeroengine combustor liner tile fragment welding method, including floating pad and stud, the floating pad use forging
As raw material, steps are as follows for the welding procedure of the floating pad and stud:
(1)Mechanical processing:It is required using machine tooling floating pad and stud to required process;
(2)Surface treatment:Mechanical grinding floating pad surface to be welded oxide film dissolving, surface to be welded is wiped after polishing using organic solvent;
(3)Clamping:By on floating pad face-up clamping to stud welding device to be welded, the stud welding device can be used for adjusting
Section floating pad is moved along X-direction and Y direction;
(4)Stud welding:The soldering angle of regulation stud welding machine makes on stud vertical welding to floating pad;
(5)Pincers are repaiied:Arc stud welding root welding slag is removed, sand paper polishing root surface is smooth;
(6)It examines:All processing dimensions are examined to meet Product Process requirement.
Using after machine tooling floating pad using stud welding machine by stud welding on the surface to be welded of floating pad compared with
Method by cutting out male " stud " on metal forging is cut using method metal of the stud welding on floating pad
The amount of cutting is small, thermal deformation to generate in process is small and processing technology is simple, avoids integrated machine add mode needs
The metal material between a large amount of studs is removed, causes stock utilization low, and machine adds that time-consuming, in a large amount of metal cutting processes
The problem of being easy to happen thermal deformation.
By on tile fragment face-up clamping to stud welding device to be welded after floating pad machine-shaping, it is hinged with by arc stud welding
It sets adjusting floating pad to be moved to below stud welding machine welding position along X-direction and Y direction, and then is accurately positioned floating-bush
Block needs to get the position of welding ready, ensure that stud welding positional precision, and can by the soldering angle of regulation stud welding machine,
Stud vertical welding is set lack of penetration phenomenon occur on floating pad, avoiding the central area that stud connect with floating pad,
And then there is the problem of insufficient strength, discharge time is short during stud welding, heat input is small, and welding contracted quantity is small, avoids
Big using heat input during argon arc welding, post welding distortion is larger, the big problem of caused stud perpendicularity deviation, this welding side
The technical process of method is simple, easy to operate, solves existing use argon arc welding and stud welding is hung down to floating pad upper stud
Straight degree deviation is larger, while lack of penetration phenomenon may occurs in the central area that stud is connect with floating pad, and then influences weldering
Connect intensity, stud carries out getting ready positioning mainly by worker after crossing, manual operation cross and get ready in the process position error greatly into
And cause stud welding positioning accuracy low, big using integrated machine add mode metal cutting amount, not only stock utilization is low, processing week
Phase is long, and in machine adds cutting process, is easy to happen high-temperature machining thermal deformation, destressing heat treatment process is needed after processing,
Further increase production cost and period problem.
Preferably, the floating pad uses high temperature alloy forging, and high temperature alloy forging has excellent elevated temperature strength, good
Good anti-oxidant and hot corrosion resistance, the comprehensive performances such as good fatigue behaviour, fracture toughness avoid and exist in floating pad
Thermal deformation occurs in process, influences the machining accuracy of floating pad.
Preferably, blast mode also can be used in step 2 and removes oxide film dissolving.
Preferably, stud welding device described in step 4, including fixture base, the fixture base are equipped with sliding stand,
The sliding stand includes that X rails cunning and the Y rails slid onto set on X rails are slided, and driving device is equipped on the X sliding rails and Y sliding rails, described
Driving device is electrically connected with controller, and the Y sliding rails are equipped with clamping device, and the driving device on the X sliding rails is for driving
Dynamic Y sliding rails are moved relative to X sliding rails, and the driving device on the Y sliding rails is used to that clamping device to be driven to move relative to Y sliding rails,
For the clamping device for fixing floating pad, fixture base is equipped with sliding stand, and sliding stand includes X sliding rails and is set to X sliding rails
On Y sliding rails, Y sliding rails are equipped with clamping device, and clamping device is slided for the fixed floating pad for needing to carry out stud welding, X
Driving device is equipped on rail and Y sliding rails, driving device is electrically connected with controller, is controlled on X sliding rails by controller
Driving device acts, and Y sliding rails is made to be moved along X sliding rails, and then the clamping device being set on Y sliding rails is driven to be moved along X sliding rails, real
The welding position of existing floating pad controls the driving device on Y sliding rails by controller and acts, make in the precise positioning of X-directionClamping deviceMoved along Y sliding rails, realize the precise positioning of the welding position of floating pad in the Y direction, floating pad by
The lower section for being precisely moved to stud welding machine welding position of X-direction and Y-direction, realizes the stud welding position on floating pad
Precise positioning.
Preferably, the driving device includes motor and lead screw, and the lead screw is connected to the motor by shaft coupling to be connect, described
Clamping device includes sliding block one and clamping part, and the sliding block one and clamping part are detachably connected, and the clamping device passes through sliding block
One is connect with the driving device on Y sliding rails using screw rod transmission, and the effect of shaft coupling, which is two axis connected in different institutions, to be made
Rotate jointly and transmit torque, lead screw is connected to the motor by shaft coupling and is connect, realize by motor rotate drive lead screw rotation,
Sliding block one and clamping part are detachably connected, and can replace clamping part according to product size has to meet different type part demand
Preferable applicability is rotated by motor drives screw mandrel in driving device, and clamping device passes through sliding block one and the driving on Y sliding rails
Device is connected using screw rod transmission, and then lead screw rotation drives clamping device to be moved along Y sliding rails, realizes clamping device in the Y direction
On be accurately positioned.
Preferably, Y sliding rails lower end is equipped with sliding block two, and the Y sliding rails pass through the driving device on sliding block two and X sliding rails
It is connected using screw rod transmission, is rotated by motor drives screw mandrel in driving device, Y sliding rails pass through the drive on sliding block two and X sliding rails
Dynamic device is connected using screw rod transmission, and then lead screw rotation drives Y sliding rails to be moved along X sliding rails, realizes clamping device in the X direction
Be accurately positioned.
Preferably, it is equipped with limiter on the outside of the X sliding rails and Y sliding rails, the limiter on X sliding rails is for limiting Y cunnings
Rail is along the moving range of X sliding rails, the moving range that the limiter on Y sliding rails is used to limit clamping device along Y sliding rails, to avoid
Y sliding rails and clamping device derail in moving process.
Preferably, the clamping part includes metal caul and key tabletting, and the metal caul and key tabletting are detachable
Connection, metal caul is equipped with key tabletting prevents floating pad from position occurring in the welding process for fixing floating pad
It moves, influences the positioning accuracy of floating pad.
Preferably, it is equipped with rubber pad between the clamping part and sliding block one, rubber is equipped between clamping device and sliding block one
Pad, current distributing when for preventing arc stud welding from welding.
Preferably, stud welding machine described in step 6 uses automatic welding machine people, automatic welding machine people that can arbitrarily adjust
Soldering angle makes stud be vertically welded on the position location of floating pad.
Compared with the prior art, the advantages of the present invention are as follows:
The present invention is utilizing stud welding machine by stud welding on the surface to be welded of floating pad after using machine tooling floating pad
Compared with the method by cutting out male " stud " on metal forging, using method metal of the stud welding on floating pad
Cutting output is small, thermal deformation to generate in process is small and processing technology is simple, and avoiding integrated machine add mode needs
The metal material between a large amount of studs is removed, causes stock utilization low, and machine adds that time-consuming, a large amount of metal cutting processes
In the problem of being easy to happen thermal deformation;
By on tile fragment face-up clamping to stud welding device to be welded after floating pad machine-shaping, pass through stud welding device tune
Section floating pad is moved to along X-direction and Y direction below stud welding machine welding position, and then being accurately positioned floating pad need to
The position for getting welding ready ensure that stud welding positional precision, and can make spiral shell by the soldering angle of regulation stud welding machine
There is lack of penetration phenomenon on floating pad, avoiding the central area that stud connect with floating pad in column vertical welding, in turn
There is the problem of insufficient strength, discharge time is short during stud welding, heat input is small, and welding contracted quantity is small, avoids use
Heat input is big during argon arc welding, and post welding distortion is larger, the big problem of caused stud perpendicularity deviation, this welding method
Technical process is simple, easy to operate, solves existing using argon arc welding that stud welding is inclined to floating pad upper stud verticality
Difference is larger, while lack of penetration phenomenon may occurs in the central area that stud is connect with floating pad, and then influences weld strength,
Stud carries out getting positioning ready after crossing mainly by worker, crosses and gets ready position error during manual operation greatly and then lead to spiral shell
Column welding positioning accuracy is low, and big using integrated machine add mode metal cutting amount, not only stock utilization is low, the process-cycle is long, and
And in machine adds cutting process, it is easy to happen high-temperature machining thermal deformation, destressing heat treatment process is needed after processing, further increased
Production cost and period problem is added.
The advantageous effect of the application other embodiment is:
1. high temperature alloy forging has excellent elevated temperature strength, good anti-oxidant and hot corrosion resistance, good fatigability
The comprehensive performances such as energy, fracture toughness, avoid and thermal deformation occur in process in floating pad, influence adding for floating pad
Work precision.
2. fixture base is equipped with sliding stand, sliding stand includes X sliding rails and the Y sliding rails on X sliding rails, is set on Y sliding rails
There are clamping device, clamping device to be equipped with drive on X sliding rails and Y sliding rails for fixing the floating pad for needing to carry out stud welding
Dynamic device, driving device are electrically connected with controller, and controlling the driving device on X sliding rails by controller acts, and makes Y sliding rails
It is moved along X sliding rails, and then the clamping device being set on Y sliding rails is driven to be moved along X sliding rails, realize the welding position of floating pad
In the precise positioning of X-direction, the driving device on Y sliding rails is controlled by controller and is acted, is madeClamping deviceIt is moved along Y sliding rails,
Realize that the precise positioning of the welding position of floating pad in the Y direction, floating pad pass through the accurate shifting in X-direction and Y-direction
It moves to the lower section of stud welding machine welding position, realizes the precise positioning of the stud welding position on floating pad.
It is allowed to rotate jointly and transmit torque 3. the effect of shaft coupling is two axis connected in different institutions, lead screw passes through
Shaft coupling, which is connected to the motor, to be connect, and realizes that the rotation for being rotated by motor and driving lead screw, sliding block one and clamping part are detachably connected, can root
Clamping part is replaced according to product size, to meet different type part demand, there is preferable applicability, pass through electricity in driving device
Machine drives lead screw rotation, and clamping device is connect with the driving device on Y sliding rails using screw rod transmission by sliding block one, and then lead screw
Rotation drives clamping device to be moved along Y sliding rails, realizes clamping device being accurately positioned in the Y direction.
4. being rotated by motor drives screw mandrel in driving device, Y sliding rails pass through the driving device on sliding block two and X sliding rails
It is connected using screw rod transmission, and then lead screw rotation drives Y sliding rails to be moved along X sliding rails, realizes clamping device in the X direction accurate
Positioning.
5. the moving range that limiter on X sliding rails is used to limit Y sliding rails along X sliding rails, the limiter on Y sliding rails is used for
Moving range of the clamping device along Y sliding rails is limited, to avoid Y sliding rails and clamping device from derailing in moving process.
Prevent floating pad from sending out in the welding process for fixing floating pad 6. metal caul is equipped with key tabletting
Raw displacement, influences the positioning accuracy of floating pad.
7. being equipped with rubber pad, current distributing when for preventing arc stud welding from welding between clamping device and sliding block one.
8. automatic welding machine people can arbitrarily adjust soldering angle, stud is made to be vertically welded in the sprocket bit of floating pad
It sets.
Description of the drawings
Fig. 1 is the flow chart of the processing technology of floating pad of the present invention;
Fig. 2 is a kind of structural schematic diagram of stud welding device of the present invention;
Fig. 3 is the structural schematic diagram of stud welding system of the present invention;
Fig. 4 is the structural schematic diagram that floating pad is clamped in stud welding system of the present invention;
Fig. 5 is the structural schematic diagram after floating pad of the present invention and stud welding.
Reference numeral
1- fixture bases, 2-X sliding rails, 21- motors, 22- shaft couplings, 23- lead screws, 24- limiters, 3-Y sliding rails, 4- clampings
Device, 41- clamping parts, 411- key tablettings, 412- metal cauls, 42- sliding blocks one, 43- rubber pads, 5- sliding blocks two, 6- controls
Device, 7- stud welding machines, 8- floating pads, 9- studs.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment 1
A kind of aeroengine combustor liner tile fragment of the present embodiment welding side as shown in attached drawing 1, attached drawing 2, attached drawing 3, attached drawing 4, attached drawing 5
Method includes fixture base 1, X sliding rails 2, motor 21, shaft coupling 22, lead screw 23, limiter 24, Y sliding rails 3, clamping device 4, folder
Hold portion 41, key tabletting 411, metal caul 412, sliding block 1, rubber pad 43, sliding block 25, controller 6, stud welding machine 7 floats
Dynamic tile fragment 8, the basic principle of stud 9, electric arc stud welding is the electric arc that ignites between stud to be welded and workpiece, when stud and workpiece quilt
When being heated to suitable temperature, under external force, the welding pool that stud is sent on workpiece forms welding point, in arc stud welding
It is therefore short time, high current and smaller fusion penetration can be soldered on very thin plank to play welding process, short for using
The plate thickness of period arcing arc stud welding can arrive 1mm, and the arc stud welding of capacitance electric arc of discharge can arrive 0.6mm, and energy-storage type double screw-bolt can be with
To 0.5mm, be on bonding power, for the workpiece of batch production, can be got within the weld interval of 3-980ms 8-40/
Min, therefore had for the floating pad 8 of thinner thickness good compared with argon arc welding method using stud welding floating pad 8
Welding effect, avoids that excessive using welding current during normal welding, speed of welding is too small, causes floating pad in stud
When welding the problem of burn-through, stud 9 is being welded on floating pad 8 using stud welding machine 7 using after machine tooling floating pad 8
Surface to be welded on compared with the method by cutting out male " stud " 9 on metal forging, floating pad is welded on using stud 9
Method metal cutting amount on 8 is small, thermal deformation to generate in process is small and processing technology is simple, avoids whole
Body machine add mode needs to remove the metal material between a large amount of studs 9, causes stock utilization low, and machine adds that time-consuming, greatly
The problem of thermal deformation being easy to happen in amount metal cutting process;
By on tile fragment face-up clamping to stud welding device to be welded after 8 machine-shaping of floating pad, pass through stud welding device
It adjusts floating pad 8 to be moved to below 7 welding position of stud welding machine along X-direction and Y direction, and then is accurately positioned floating-bush
Block needs to get the position of welding ready, ensure that stud welding positional precision, and can pass through the welding angle of regulation stud welding machine 7
Degree makes 9 vertical welding of stud not weld on floating pad 8, avoiding the central area appearance that stud 9 connect with floating pad 8
Saturating phenomenon, and then the problem of insufficient strength occur, discharge time is short in 9 welding process of stud, heat input is small, welding contracted quantity
It is small, avoid big using heat input during argon arc welding, post welding distortion is larger, and 9 perpendicularity deviation of caused stud is big to ask
Topic, the technical process of this welding method is simple, easy to operate, and solution is existing to be welded to floating-bush using argon arc welding by stud 9
Block 8 upper stud, 9 perpendicularity deviations are larger, while may occur in the central area that stud 9 is connect with floating pad 8 lack of penetration existing
As, and then weld strength is influenced, stud 8 carries out getting positioning ready after crossing mainly by worker, crosses and beats during manual operation
Point location error causes greatly the welding of stud 8 positioning accuracy low in turn, big using integrated machine add mode metal cutting amount, not only material
Utilization rate is low, the process-cycle is long, and in machine adds cutting process, is easy to happen high-temperature machining thermal deformation, is needed after processing
Stress heat treatment procedure further increases production cost and period problem.
High temperature alloy forging has excellent elevated temperature strength, good anti-oxidant and hot corrosion resistance, good fatigue
The comprehensive performances such as performance, fracture toughness avoid and thermal deformation occur in process in floating pad 8, influence floating pad 8
Machining accuracy.
High temperature alloy forging has excellent elevated temperature strength, good anti-oxidant and hot corrosion resistance, good fatigue
The comprehensive performances such as performance, fracture toughness avoid and thermal deformation occur in process in floating pad 8, influence floating pad 8
Machining accuracy.
Fixture base 1 is equipped with sliding stand, and sliding stand includes X sliding rails 2 and the Y sliding rails 3 on X sliding rails 2, on Y sliding rails 3
Equipped with clamping device 4, clamping device 4 is for the fixed floating pad 8 for needing to carry out stud welding, on X sliding rails 2 and Y sliding rails 3
Equipped with driving device, driving device is electrically connected with controller 6, and it is dynamic to control the driving device on X sliding rails 2 by controller 6
Make, Y sliding rails 3 is made to be moved along X sliding rails 2, and then the clamping device 4 being set on Y sliding rails 3 is driven to be moved along X sliding rails 2, realizes floating
The welding position of dynamic tile fragment 8 controls the driving device on Y sliding rails 3 by controller 6 and acts, make in the precise positioning of X-directionFolder Hold device 4It is moved along Y sliding rails 3, realizes that the precise positioning of the welding position of floating pad 8 in the Y direction, floating pad 8 pass through
In the lower section for being precisely moved to 7 welding position of stud welding machine of X-direction and Y-direction, the precise positioning welding of stud 9 is realized.
The effect of shaft coupling 22 is that two axis connected in different institutions are allowed to rotate jointly and transmit torque, and lead screw 23 is logical
It crosses shaft coupling 22 with motor 21 to be connected, realizes the rotation for being rotated by motor 21 and driving lead screw 23, sliding block 1 and clamping part 41
It is detachably connected, clamping part can be replaced according to product size, to meet different type part demand, there is preferable applicability,
Lead screw 23 is driven to rotate by motor 21 in driving device, clamping device is adopted by the driving device on sliding block 1 and Y sliding rails 3
It is sequentially connected with lead screw 23, and then the rotation of lead screw 23 drives clamping device 4 to be moved along Y sliding rails 3, realizes clamping device 4 in the Y direction
On be accurately positioned.
Lead screw 23 is driven to rotate by motor 21 in driving device, Y sliding rails 3 pass through the driving on sliding block 25 and X sliding rails 2
Device is sequentially connected using lead screw 23, and then the rotation of lead screw 23 drives Y sliding rails 3 to be moved along X sliding rails 2, realizes clamping device 4 in X
Being accurately positioned on direction.
The moving range that limiter 24 on X sliding rails 2 is used to limit Y sliding rails 3 along X sliding rails 2, the limiter 24 on Y sliding rails 3
Moving range for limiting clamping device 4 along Y sliding rails 2, to avoid Y sliding rails 3 and clamping device 4 from being taken off in moving process
Rail.
Metal caul 412 is equipped with key tabletting 411 prevents floating pad 8 from welding for fixing floating pad 8
It is subjected to displacement in journey, influences the positioning accuracy of floating pad 8.
Rubber pad 43, current distributing when for preventing arc stud welding from welding are equipped between clamping device 4 and sliding block 1.
Automatic welding machine people can arbitrarily adjust soldering angle, and stud 9 is made to be vertically welded in the position location of floating pad 8
On.
Above example is only to illustrate the present invention and not limits technical solution described in the invention, although this explanation
Book is with reference to above-mentioned each embodiment to present invention has been detailed description, but the present invention is not limited to above-mentioned specific implementation
Mode, therefore any modify to the present invention or equivalent replacement;And the technical side of all spirit and scope for not departing from invention
Case and its improvement, are intended to be within the scope of the claims of the invention.
Claims (10)
1. a kind of aeroengine combustor liner tile fragment welding method, the burner inner liner tile fragment includes floating pad and stud, spy
Sign is:The floating pad and stud use forging as raw material, the welding procedure step of the floating pad and stud
It is as follows:
(1)Mechanical processing:It is required using machine tooling floating pad and stud to required process;
(2)Surface treatment:Mechanical grinding floating pad surface to be welded is wiped to remove oxide film dissolving, after polishing using organic solvent to be welded
Face;
(3)Clamping:Floating pad is fixed on stud welding device, the stud welding device can be used for adjusting floating pad
It is moved along X-direction and Y direction, adjusts floating pad surface to be welded position and prepare welding;
(4)Stud welding:The soldering angle of regulation stud welding machine makes on stud vertical welding to floating pad;
(5)Pincers are repaiied:Arc stud welding root welding slag is removed, sand paper polishing root surface is smooth;
(6)It examines:Inspection institute has the processing dimension of the burner inner liner tile fragment to meet Product Process requirement.
2. a kind of aeroengine combustor liner tile fragment welding method as described in claim 1, it is characterised in that:The floating-bush
Block uses high temperature alloy forging.
3. a kind of aeroengine combustor liner tile fragment welding method as described in claim 1, it is characterised in that:It will in step 2
Mechanical grinding floating pad surface to be welded is replaced in a manner of removing oxide film dissolving removes oxide film dissolving using blast mode.
4. a kind of aeroengine combustor liner tile fragment welding method as described in claim 1, it is characterised in that:Institute in step 3
Stud welding device, including fixture base are stated, the fixture base is equipped with sliding stand, and the sliding stand includes X rails cunning and sets
It is slided in the Y rails that X rails slide onto, is equipped with driving device on the X sliding rails and Y sliding rails, the driving device electrically connects with controller
It connecing, the Y sliding rails are equipped with clamping device, and the driving device on the X sliding rails is used to that Y sliding rails to be driven to move relative to X sliding rails,
For driving clamping device to be moved relative to Y sliding rails, the clamping device floats driving device on the Y sliding rails for fixed
Tile fragment.
5. a kind of aeroengine combustor liner tile fragment welding method according to claim 4, it is characterised in that:The driving
Device includes motor and lead screw, and the lead screw is connected to the motor by shaft coupling to be connect, and the clamping device includes sliding block one and folder
Portion is held, the sliding block one and clamping part are detachably connected, and the clamping device is adopted by the driving device on sliding block one and Y sliding rails
It is connected with screw rod transmission.
6. a kind of aeroengine combustor liner tile fragment welding method according to claim 5, it is characterised in that:The Y is slided
Rail lower end is equipped with sliding block two, and the Y sliding rails are connect with the driving device on X sliding rails using screw rod transmission by sliding block two.
7. a kind of aeroengine combustor liner tile fragment welding method according to claim 6, it is characterised in that:The X is slided
It is equipped with limiter on the outside of rail and Y sliding rails.
8. a kind of aeroengine combustor liner tile fragment welding method according to claim 5, it is characterised in that:The clamping
Portion includes metal caul and key tabletting, and the metal caul and key tabletting are detachably connected.
9. a kind of aeroengine combustor liner tile fragment welding method according to claim 8, it is characterised in that:The clamping
Rubber pad is equipped between portion and sliding block one.
10. a kind of aeroengine combustor liner tile fragment welding method as described in claim 1, it is characterised in that:Described in step 4
Stud welding machine completes stud welding using automatic welding machine people.
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CN201810290608.0A CN108500428B (en) | 2018-03-30 | 2018-03-30 | Welding method for flame tube tile of aircraft engine |
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CN201810290608.0A CN108500428B (en) | 2018-03-30 | 2018-03-30 | Welding method for flame tube tile of aircraft engine |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111889848A (en) * | 2020-08-14 | 2020-11-06 | 江苏理工学院 | Device for removing arc additive manufacturing oxide skin and fixing deposited workpiece |
CN112743205A (en) * | 2021-02-05 | 2021-05-04 | 洛阳市锐创电气设备有限公司 | Special stud welding equipment special for coated plate |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110160593A (en) * | 2019-06-24 | 2019-08-23 | 中南大学 | A kind of gas meter, flow meter facilitating filter device built in replacement gas meter, flow meter |
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CN111889848B (en) * | 2020-08-14 | 2022-03-04 | 江苏理工学院 | Device for removing arc additive manufacturing oxide skin and fixing deposited workpiece |
CN112743205A (en) * | 2021-02-05 | 2021-05-04 | 洛阳市锐创电气设备有限公司 | Special stud welding equipment special for coated plate |
CN112743205B (en) * | 2021-02-05 | 2022-06-07 | 洛阳市锐创电气设备有限公司 | Special stud welding equipment special for coated plate |
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