CN110497132A - Cydariform thin-wall part welding method and its device - Google Patents
Cydariform thin-wall part welding method and its device Download PDFInfo
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- CN110497132A CN110497132A CN201910829913.7A CN201910829913A CN110497132A CN 110497132 A CN110497132 A CN 110497132A CN 201910829913 A CN201910829913 A CN 201910829913A CN 110497132 A CN110497132 A CN 110497132A
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- cydariform
- ring
- thin
- wall part
- pressure plate
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A kind of cydariform thin-wall part welding method, it includes the following steps, step A, one top plate is provided, mandrel is assembled on the top plate, the top plate is inverted, a copper ring is then assembled on the top plate, cydariform thin-wall part is upside down on the copper ring, the cydariform thin-wall part is protruded into the inner bearing type rotary pressure plate mechanism socket of rounding state on the mandrel later.Step B makes inner bearing type rotary pressure plate mechanism be in softened state, provides a pedestal, connect the pedestal with the top 1 by three columns, later overturns package unit, be placed in welding equipment and welded.Step C after the completion of welding, makes inner bearing type rotary pressure plate mechanism be in rounding state and takes out from the cydariform thin-wall part, finally removes the cydariform thin-wall part, completes welding.Cydariform thin-wall part welding method provided by the present invention, enormously simplifies welder structure.Invention also provides the devices for the above method.
Description
Technical field
The present invention relates to welding technology field, in particular to a kind of welding method for being repaired to cydariform thin-wall part
And its device.
Background technique
Fig. 1 is a kind of schematic cross-sectional view of the cydariform thin-wall part of aero-engine；Fig. 2 is that the plan structure of Fig. 1 is shown
Be intended to, referring to figure 1 and figure 2, the cydariform thin-wall part 100 include be welded to each other connection the first ladle body portion 101 and second barrel
Body portion 102, the opening ecto-entad in second ladle body portion 102 are successively welded and connected with the connection of the first connection ring 103, second
Ring 104 and split ring 105 are provided with multiple inverted draw cuts 1021 at the cambered surface in second ladle body portion 102, in the cydariform thin-wall part
In 100 use process or production process, the end of the inverted draw cut 1021 is easy to appear defect as crackle 200, therefore
It needs that the crackle 200 is carried out reprocessing operation as supplement welding.
Since smaller and to be welded described of the finish dimensional of the split ring 105 close to 200 side of crackle is split
The position of line 200 is in the arc surface corner on the type chamber in second ladle body portion 102, farther out apart from upper and lower oral area,
Diameter locating for to-be-welded region is greater than the finish dimensional in first ladle body portion 101.Therefore, for repairing the cydariform thin-walled
For the crackle 200 on part 100, there is very high requirement to the structure of welder；Further, since the cydariform thin-walled
100 intracavity space of part is narrow, therefore assemble welding is very restricted with operation.
Structure is complicated for existing welder, cumbersome, and remediation efficiency is lower.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of cydariform thin-wall part welding method and its devices, to reduce or keep away
Exempt from the problem of being formerly mentioned.
In order to solve the above technical problems, the invention proposes a kind of cydariform thin-wall part welding method, the cydariform thin-wall part
The first ladle body portion and the second ladle body portion including being welded to each other connection, the opening ecto-entad in second ladle body portion successively weld
It is connected to the first connection ring, the second connection ring and split ring in succession, multiple inverted draw cuts, institute are provided at the cambered surface in second ladle body portion
There is crackle in the end for stating inverted draw cut, is used to carry out reparation welding to the crackle comprising following steps,
Step A provides a top plate, and there are three the first stabilizer blades for connection on the top plate, mandrel is assembled, by the top plate
It is upside down on erecting bed, a copper ring is then assembled on the top plate, the cydariform thin-wall part is upside down on the copper ring,
The inner bearing type rotary pressure plate mechanism of rounding state is socketed on the mandrel by the opening in first ladle body portion later
Protrude into the cydariform thin-wall part.
The mandrel is step rod structure, and the mandrel is provided with coaxial transfer port, and the mandrel side wall is provided with one
A side wall stomata and a keyway with the transfer port vertical connection, the transfer port are connected with a hose coupling.Institute
It states mandrel and is socketed with spring, pass through interference fit in the keyway and be provided with flat key.
Inner bearing type rotary pressure plate mechanism includes that the pressure ring of coaxial arrangement and connection ring, the pressure ring have been rotatably connected
Rotary pressure plate, the rotary pressure plate are rotatably connected by connecting rod and the connection ring.The connection ring is provided with guide groove, institute
State and be provided with axial link slot and radial annular groove on the inside of pressure ring, the pressure ring also set up there are six it is circumferentially uniformly distributed with it is described
The gas port of annular groove connection.The rotary pressure plate be provided with for the conjunction of the interior lumen type face paste of the cydariform thin-wall part pressure head and
L-type venthole, the pressure head middle part are provided with air channel, and the air channel is connected to the L-type venthole.The L-type ventilation
It is connected between hole and the gas port by hose.
When inner bearing type rotary pressure plate mechanism is packed into the cydariform thin-wall part, make the inner bearing type rotary pressure plate machine
Structure keeps rounding state, and the connection ring is protruded into the opening in first ladle body portion, passes through the guide groove described flat
Key rotates inner bearing type rotary pressure plate mechanism later, so that the guide groove and the position of the flat key is staggered, and the company
Access slot is with the flat key to matching, and inner bearing type rotary pressure plate mechanism integrally continues to move down later, the pressure ring and the mandrel
Generation is slidably matched, until the connection ring is contacted with the spring.
Step B, is inserted in clamp nut on the mandrel, and turning the clamp nut continues traveling downwardly the pressure ring, from
And the rotary pressure plate is outwardly opened, until the type face of the pressure head of the rotary pressure plate and the cydariform thin-wall part
Interior lumen type face paste is closed, and the type face in the area to be welded of cydariform thin-wall part described in the rotary pressure plate stretching provides a pedestal, is led to
It crosses three columns and connect the pedestal with the top plate, there are three the second stabilizer blades for the pedestal setting, later by package unit
Overturning, is placed in welding equipment and is welded.
Step C after the completion of welding, overturns package unit, removes the pedestal, screw out the clamp nut, makes in described
Cheng Shi rotary pressure plate mechanism is in rounding state and takes out from the cydariform thin-wall part, finally removes the cydariform thin-wall part, complete
At welding.
Preferably, in stepb, the pedestal is provided with multiple mounting grooves, by the mounting groove, the pedestal setting
There is the grip block for clamping first ladle body portion.
Preferably, in stepb, the grip block is L-type structure, and the grip block is welded with a latching, benefit
Inner headed face cooperation positioning of the grip block to first ladle body portion is made by the latching with nut, thus with the bottom
Seat forms stable holding to first ladle body portion together.
Preferably, in stepb, in welding, welding protective gas is by the hose coupling, via the transfer port
The transmission inside the mandrel with side wall stomata, later, the transmission inside the pressure ring by the annular groove and the gas port,
Then it can be delivered to the rotary pressure plate by hose, be sent to weld seam finally by the L-type venthole and the air channel
Place.
Preferably, in stepb, the air channel can be connect with the L-type venthole by multiple apertures.
Preferably, in stepb, there are two inside flange, the pressure ring top to be provided with for the clamp nut setting
Outside annular projection, after the clamp nut is first inserted in the pressure ring, another rise is packed into cydariform thin-wall part.
The present invention also provides the devices for the above method comprising a top plate and a bottom plate, the top plate are solid
Fixed connection there are three the first stabilizer blade, mandrel and a copper ring, the bottom plate setting there are three the second stabilizer blade, the bottom plate with it is described
Top plate is detachably connected by three columns,
The mandrel is step rod structure, and the mandrel is provided with coaxial transfer port, and the mandrel side wall is provided with one
A side wall stomata and a keyway with the transfer port vertical connection, the transfer port are connected with a hose coupling.Institute
It states mandrel and is socketed with spring, pass through interference fit in the keyway and be provided with flat key.
The mandrel is removably connected with inner bearing type rotary pressure plate mechanism, the inner bearing type rotary pressure plate by clamp nut
Mechanism includes that the pressure ring of coaxial arrangement and connection ring, the pressure ring have been rotatably connected rotary pressure plate, and the rotary pressure plate passes through
Connecting rod is rotatably connected with the connection ring.The connection ring is provided with guide groove, is provided with axial company on the inside of the pressure ring
Access slot and radial annular groove, the pressure ring also set up that there are six the circumferentially uniformly distributed gas ports being connected to the annular groove.The rotation
Turn pressing plate to be provided with for the pressure head and L-type venthole with the conjunction of the interior lumen type face paste of the cydariform thin-wall part, the pressure head middle part
It is provided with air channel, the air channel is connected to the L-type venthole.Pass through between the L-type venthole and the gas port
Hose connection.
Preferably, the pedestal is provided with multiple mounting grooves, and by the mounting groove, the pedestal is provided with for clamping
The grip block in first ladle body portion, the grip block are L-type structure, and the grip block is welded with a latching.
Preferably, the rotary pressure plate and the copper ring material are all made of red copper.
Preferably, there are two inside flange, the pressure ring top to be provided with outside ring-type for the clamp nut setting
Protrusion.
Cydariform thin-wall part welding method provided by the present invention, optimizes welding operating process, and drum is neatly realized in simplicity
The back side stretching of shape thin-wall part cavity weld seam, in addition, being greatly simplified by the way that protective gas pipeline to be integrated in inside single unit system
Welder structure, make welding ventilation protection directly, it is easy, improve ventilation protecting effect.Invention also provides with
In the device of the above method.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein,
Fig. 1 is a kind of schematic cross-sectional view of the cydariform thin-wall part of aero-engine；
Fig. 2 is the overlooking structure diagram of Fig. 1；
Fig. 3 a is the use of device used in a kind of thin-wall part welding method of a specific embodiment according to the present invention
The principle schematic diagram of state；
Fig. 3 b is the A-A sectional structure schematic illustration of Fig. 3 a；
Fig. 3 c is the B-B sectional structure schematic illustration of Fig. 3 a；
Fig. 4 is the principle schematic diagram of the top plate of Fig. 3 b；
Fig. 5 a is the principle schematic diagram of the mandrel of Fig. 3 b；
Fig. 5 b is the C-C sectional structure schematic illustration of Fig. 5 a；
Fig. 6 a is the principle schematic diagram of the copper ring of Fig. 3 b；
Fig. 6 b is the D-D sectional structure schematic illustration of Fig. 6 a；
Fig. 7 a is the sectional structure schematic illustration of the rounding state of the inner bearing type rotary pressure plate mechanism of Fig. 3 b；
Fig. 7 b is the principle schematic diagram of the softened state of Fig. 7 a inner bearing type rotary pressure plate mechanism；
Fig. 7 c is the E-E sectional structure schematic illustration of Fig. 7 b；
Fig. 7 d is the A of Fig. 7 c to part-structure schematic illustration；
Fig. 7 e is the principle schematic diagram of the connection ring of Fig. 7 a；
Fig. 7 f is the principle schematic diagram of the rotary pressure plate of Fig. 7 a；
Fig. 7 g is the sectional structure schematic illustration of Fig. 7 f；
Fig. 7 h is the principle schematic diagram of the pressure ring of Fig. 7 a；
Fig. 7 i is the F-F sectional structure schematic illustration of Fig. 7 h；
Fig. 7 j is the principle schematic diagram of the pedestal of Fig. 3 b；
Fig. 7 k is the principle schematic diagram of the briquetting of Fig. 3 b；
Fig. 7 l is the sectional structure schematic illustration of Fig. 7 k；
Fig. 7 m is the principle schematic diagram of the clamp nut of Fig. 3 b；
Fig. 7 n is the sectional structure schematic illustration of Fig. 7 m.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment.Wherein, identical component uses identical label.
Fig. 1 is a kind of schematic cross-sectional view of the cydariform thin-wall part of aero-engine；Fig. 2 is that the plan structure of Fig. 1 is shown
It is intended to, Fig. 3 a is the use state of device used in a kind of thin-wall part welding method of a specific embodiment according to the present invention
Principle schematic diagram；Fig. 3 b is the A-A sectional structure schematic illustration of Fig. 3 a；The B-B sectional structure that Fig. 3 c is Fig. 3 a is former
Manage schematic diagram；Referring to shown in Fig. 1 to Fig. 3 c, the present invention provides a kind of cydariform thin-wall part welding method, the cydariform thin-wall part
100 include the first ladle body portions 101 and the second ladle body portion 102 of connection of being welded to each other, the opening in second ladle body portion 102 by
It is successively welded and connected with the first connection ring 103, the second connection ring 104 and split ring 105, second ladle body portion 102 outside to inside
Cambered surface at be provided with multiple inverted draw cuts 1021, there is crackle 200 in the end of the inverted draw cut 1021, be used for the crackle 200 into
Row repairs welding comprising following steps,
Step A provides a top plate 1, and there are three the first stabilizer blades 11 for connection on the top plate 1, mandrel 2 is assembled, by institute
It states top plate 1 to be upside down in erecting bed (not shown), a copper ring 3 is then assembled on the top plate 1, by the cydariform
Thin-wall part 100 is upside down on the copper ring 3, later by the opening in first ladle body portion 101 by the inner support of rounding state
Formula rotary pressure plate mechanism 4, which is socketed on the mandrel 2, protrudes into the cydariform thin-wall part 100.
Fig. 4 is the principle schematic diagram of the top plate of Fig. 3 b；Fig. 5 a is the principle schematic diagram of the mandrel of Fig. 3 b；Fig. 5 b
For the C-C sectional structure schematic illustration of Fig. 5 a；Fig. 6 a is the principle schematic diagram of the copper ring of Fig. 3 b；Fig. 6 b is the D- of Fig. 6 a
D sectional structure schematic illustration；Referring to fig. 4 shown in-Fig. 6 b, first stabilizer blade 11 passes through three first circumferentially uniformly distributed peaces
Dress hole 11 is connect with the top plate 1, to support the top plate 1 in assembling process, provides assembly manipulation space.
The copper ring 3 wraps up type from the cambered surface in second ladle body portion 102 from 100 outside-supporting of cydariform thin-wall part
Face, the copper ring 3 be provided with type face 32 corresponding at the cambered surface in the second ladle body portion 102, and the corresponding inverted draw cut 1021 is all provided with
It is equipped with the notch section 33 for welding operation, the material of the copper ring 3 is red copper, is responsible for enhancing welded seam area heat dissipation, reduces weldering
Connect heat affected area.Referring to shown in Fig. 6 a and 6b, the copper ring 3 is provided with the first countersunk head threaded hole 31, passes through first countersunk head
The copper ring 3 can be fixedly connected by the second circumferentially uniformly distributed mounting hole 12 on threaded hole 31 and the top plate 1 with the top plate 1.
After the copper ring 3 is fixed, the cydariform thin-wall part 100 can be upside down on the copper ring 3, be that is to say described the
The opening down placement in two ladle body portion 102 pastes type face and the type face 32 of the copper ring 3 at the cambered surface in second ladle body portion 102
It closes.
Referring to fig. 4, shown in Fig. 3 b and Fig. 3 c, there are three the first uniformly distributed pin hole 14 and one second for the setting of top plate 1
The first positioning pin 16 is arranged in pin hole 15 in first pin hole 14, and three first positioning pins 16 can be to the split ring
105 inner walls are rested against, and the second positioning pin 17, second positioning pin 17 and described second are arranged in second pin hole 15
Hole in connection ring 104 carries out the achievable angular positioning to the cydariform thin-wall part 100 of cooperation, in this way, passing through described first
The positioning of positioning pin 16 and second positioning pin 17 to the cydariform thin-wall part 100, it can be ensured that the cydariform thin-wall part 100
Outer wall is bonded with the type face 32 of the copper ring 3 and rests against.
The mandrel 2 is step rod structure, and the mandrel 2 is provided with coaxial transfer port 21,2 side wall of the mandrel setting
There are a side wall stomata 22 and a keyway 23 with 21 vertical connection of transfer port, the mandrel 2 is provided with the second spiral shell
Pit 24 can be by the mandrel 2 by third mounting hole 13 circumferentially uniformly distributed on second threaded hole 24 and the top plate 1
It is fixedly connected with the top plate 1.The transfer port 21 is connected with a hose coupling 25.
The mandrel 2 is socketed with spring 5, passes through interference fit in the keyway 23 and is provided with flat key 6.
Fig. 7 a is the sectional structure schematic illustration of the rounding state of the inner bearing type rotary pressure plate mechanism of Fig. 3 b；Fig. 7 b is figure
The principle schematic diagram of the softened state of 7a inner bearing type rotary pressure plate mechanism；Fig. 7 c is that the E-E sectional structure principle of Fig. 7 b is shown
It is intended to；Fig. 7 d is the A of Fig. 7 c to part-structure schematic illustration；Fig. 7 e is the principle schematic diagram of the connection ring of Fig. 7 a；Figure
7f is the principle schematic diagram of the rotary pressure plate of Fig. 7 a；Fig. 7 g is the sectional structure schematic illustration of Fig. 7 f；Fig. 7 h is Fig. 7 a
Pressure ring principle schematic diagram；Fig. 7 i is the F-F sectional structure schematic illustration of Fig. 7 h；Referring to shown in Fig. 7 a- Fig. 7 i,
Inner bearing type rotary pressure plate mechanism 4 includes that the pressure ring 41 of coaxial arrangement and connection ring 42, the pressure ring 41 can revolve
Turn to be connected with rotary pressure plate 43, the rotary pressure plate 43 is rotatably connected by connecting rod 44 with the connection ring 42.
Referring to shown in Fig. 7 e, the connection ring 42 is provided with guide groove 421,
Referring to the annular groove for shown in Fig. 7 h and Fig. 7 i, being provided with axial link slot 411 and radial direction on the inside of the pressure ring 41
412, the pressure ring 41 is also set up there are six the circumferentially uniformly distributed gas port 413 being connected to the annular groove 412.
Referring to shown in Fig. 7 f and Fig. 7 g, the rotary pressure plate 43 is provided with for the inner cavity with the cydariform thin-wall part 100
The pressure head 431 and L-type venthole 432 that type face paste is closed are provided with air channel 433, the air channel 433 in the middle part of the pressure head 431
It is connected to the L-type venthole 432.
Referring to shown in Fig. 3 b, Fig. 3 c, Fig. 7 a, 7b, 7c, pass through between the L-type venthole 432 and the gas port 413
Hose 45 is connected to.
Before inner bearing type rotary pressure plate mechanism 4 is packed into the cydariform thin-wall part 100, first covered on the mandrel 2
Enter spring 5, then flat key 6 is set in the keyway 23, the flat key 6 is interference fitted with the keyway 23, can avoid in this way
The spring 5 is deviate from, then the mandrel 2 assembled is fixedly connected with the top plate 1.Make the inner bearing type rotary pressure plate machine
Structure 4 keeps rounding state, and the connection ring 42 is protruded into the opening in first ladle body portion 101, wears the guide groove 421
The flat key 6 is crossed, that is, the connection ring 42 is first made to rotate the inner bearing type rotary pressure plate machine later by the flat key 6
Structure 4 makes the guide groove 421 and the position of the flat key 6 be staggered, and the link slot 411 with the flat key 6 to matching, with this
Determine the angular position of the weld seam of the relatively described cydariform thin-wall part 100 of the rotary pressure plate 43.The inner bearing type rotation pressure later
Trigger structure 4 is whole to be continued to move down, and the pressure ring 41 and the mandrel 2 generation are slidably matched, up to the connection ring 42 with it is described
Spring 5 contacts.
Step B is inserted in clamp nut 7 on the mandrel 2, turns under the clamp nut 7 continues the pressure ring 41
Row, so that the rotary pressure plate 43 outwardly opens, until the type face of the pressure head 431 of the rotary pressure plate 43 and institute
The interior lumen type face paste for stating cydariform thin-wall part 100 is closed, that is, inner bearing type rotary pressure plate mechanism 4 is made to be in softened state,
Type face in the area to be welded of cydariform thin-wall part 100 described in 43 stretching of rotary pressure plate, provides a pedestal 8, passes through three
The pedestal 8 is connect by column 81 with the top plate 1, and there are three the second stabilizer blades 82 for the setting of pedestal 8, later by package unit
Overturning, is placed in welding equipment and is welded.
The pedestal 8 is associated with the top plate 1 by the column 81, to can control the cydariform thin-wall part 100
First ladle body portion 101 and second ladle body portion 102 opening installation side is coaxial and total high size.Also
The cydariform thin-wall part 100 is preferably constrained.
Fig. 7 j is the principle schematic diagram of the pedestal of Fig. 3 b；Fig. 7 k is the principle schematic diagram of the briquetting of Fig. 3 b；Figure
7l is the sectional structure schematic illustration of Fig. 7 k；Referring to shown in Fig. 3 b, Fig. 3 c, Fig. 7 j, Fig. 7 k and Fig. 7 l, the pedestal 8 is arranged
There are multiple mounting grooves 82, by the mounting groove 82, the pedestal 8 is provided with the folder for clamping first ladle body portion 101
Block 83 is held, the grip block 83 is L-type structure, and the grip block 83 is welded with a latching 84, in this way using nut
Make inner headed face cooperation positioning of the grip block 83 to first ladle body portion 101 by the latching 84, thus with described
Pedestal 8 forms stable holding to first ladle body portion 101 together.The grip block 83 thus can there are six can be set
Enough and 1021 quantity Matching of inverted draw cut forms uniform support.
In the present invention, rigid clamping force is applied to the 100 inner mold face of cydariform thin-wall part by the rotary pressure plate 43,
Firm clamping, and institute are formed to 200 periphery of the crackle to be welded of the cydariform thin-wall part 100 with the copper ring 3 formation
It states rotary pressure plate 43 and 3 material of copper ring is all made of red copper, be responsible for enhancing welded seam area heat dissipation, reduce welding heat affected zone,
To controllable welding deformation.
To simplify welder structure, assemble welding operating process is reduced, the present invention will weld the snorkel of protective gas
Road is integrated in inside whole device, specifically, in welding, welding protective gas can by the hose coupling 25, via
The transfer port 21 and side wall stomata 22 transmit inside the mandrel 2, later, can pass through the annular groove 412 and the air guide
Hole 413 is transmitted inside the pressure ring 41, the rotary pressure plate 43 then can be delivered to by hose 45, finally by the L
Type venthole 432 and the air channel 433 are sent to commissure.
The air channel 433 can be connect with the L-type venthole 432 by multiple apertures, may make protective gas in this way
It is distributed more uniform.
Step C after the completion of welding, overturns package unit, removes the pedestal 8, screw out the clamp nut 7, makes described
Inner bearing type rotary pressure plate mechanism 4 is in rounding state and takes out from the cydariform thin-wall part 100, finally removes the cydariform thin-walled
Part 100 completes welding.
When postwelding takes out the rotary pressure plate mechanism 4, there may be can not be by self weight withdrawal for the rotary pressure plate 43
Situation, therefore, because in step, making the connection ring 42 by after the flat key 6, rotating the inner bearing type rotation pressure
Trigger structure 4 makes the guide groove 421 and the position of the flat key 6 be staggered, and can thus dismantled by the flat key 6
The connection ring 42 is tangled in journey, also can hold the company during inner bearing type rotary pressure plate 4 uplink of mechanism
Ring 42 is connect, to be conducive to withdraw the rotary pressure plate 43 by the connecting rod 44, avoids the rotary pressure plate 43 from colliding described
The inner sidewall in the first ladle body portion 101.After inner bearing type rotary pressure plate mechanism 4 returns to rounding state, only opposite direction is needed to rotate
Same angle enables the guide groove 421 to deviate from from the flat key 6, can thoroughly take out the inner bearing type rotary pressure plate machine
Structure 4.
Fig. 7 m is the principle schematic diagram of the clamp nut of Fig. 3 b；Fig. 7 n is the sectional structure schematic illustration of Fig. 7 m.
Referring to shown in Fig. 3 b, 3c, 7h, 7i, 7m and 7n, the clamp nut 7 is settable, and there are two inside flange 71, the pressure rings 41
Top is provided with outside annular projection 414, and the flange 71 cooperates with the annular projection 414, may make back-out it is described
When clamp nut 7,41 uplink of pressure ring can be driven by the flange 71, so that received in the rotary pressure plate 43,
Just it is conducive to so that inner bearing type rotary pressure plate mechanism 4 is returned to rounding state from softened state in disassembly process.Also conveniently
In inner bearing type rotary pressure plate mechanism 4 is taken out from the cydariform thin-wall part 100.
That is, in stepb, after the clamp nut 7 first being inserted in the pressure ring 41, another rise is packed into drum
Shape thin-wall part, as shown in Figure 7a.The T-slot of the clamp nut 7 is from side to the T connector of the loading pressure ring 41.It is pressed in rotation
During plate enters and takes out cydariform thin-wall part, the clamp nut 7 and the pressure ring 41 are not separated, always in the shape tangled
State.
The present invention also provides the devices for the above method comprising, a top plate 1 and a bottom plate 8, the top
Plate 1 is fixedly connected there are three the first stabilizer blade 11, mandrel 2 and a copper ring 3, and there are three the second stabilizer blade 82, institutes for the setting of bottom plate 8
It states bottom plate 8 and is detachably connected with the top plate 1 by three columns 81,
The mandrel 2 is step rod structure, and the mandrel 2 is provided with coaxial transfer port 21,2 side wall of the mandrel setting
There are a side wall stomata 22 and a keyway 23 with 21 vertical connection of transfer port, the transfer port 21 is connected with one
A hose coupling 25.The mandrel 2 is socketed with spring 5, passes through interference fit in the keyway 23 and is provided with flat key 6.
The mandrel 2 is removably connected with inner bearing type rotary pressure plate mechanism 4, the inner bearing type rotation by clamp nut 7
Press plate mechanism 4 includes the pressure ring 41 and connection ring 42 of coaxial arrangement, and the pressure ring 41 has been rotatably connected rotary pressure plate 43, described
Rotary pressure plate 43 is rotatably connected by connecting rod 44 with the connection ring 42.The connection ring 42 is provided with guide groove 421, described
Axial link slot 411 and radial annular groove 412 are provided on the inside of pressure ring 41, the pressure ring 41 is also set up to be evenly distributed with there are six circumferential
The gas port 413 being connected to the annular groove 412.The rotary pressure plate 43 be provided with for the cydariform thin-wall part 100
The pressure head 431 and L-type venthole 432 that interior lumen type face paste is closed are provided with air channel 433, the air channel in the middle part of the pressure head 431
433 are connected to the L-type venthole 432.It is connected between the L-type venthole 432 and the gas port 413 by hose 45.
In a preferred embodiment, the pedestal 8 is provided with multiple mounting grooves 82, described by the mounting groove 82
Pedestal 8 is provided with the grip block 83 for clamping first ladle body portion 101, and the grip block 83 is L-type structure, the clamping
Block 83 is welded with a latching 84.
In a preferred embodiment, the rotary pressure plate 43 is all made of red copper with 3 material of copper ring.
In a preferred embodiment, the clamp nut 7 is settable there are two inside flange 71, and the pressure ring 41 pushes up
Portion is provided with outside annular projection 414.
The present invention is solved by driving rotary pressure plate to move using link mechanism because part entrance opening dimension is small, inner space
The narrow difficulty caused by welder, optimizes welding operating process, and cydariform thin-wall part cavity weld seam is neatly realized in simplicity
Back side stretching, in addition, enormously simplify welder structure by the way that protective gas pipeline to be integrated in inside single unit system,
Keep welding ventilation protection direct, easy, improves ventilation protecting effect；
It will be appreciated by those skilled in the art that although the present invention is described in the way of multiple embodiments,
It is that not each embodiment only contains an independent technical solution.So narration is used for the purpose of for the sake of understanding in specification,
The skilled in the art should refer to the specification as a whole is understood, and by technical solution involved in each embodiment
Regard as and can be combined with each other into the modes of different embodiments to understand protection scope of the present invention.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent variations, modification and combination under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.
Claims (10)
1. a kind of cydariform thin-wall part welding method, the cydariform thin-wall part includes the first ladle body portion and second for being welded to each other connection
Ladle body portion, the opening ecto-entad in second ladle body portion are successively welded and connected with the first connection ring, the second connection ring and open
Choma is provided with multiple inverted draw cuts at the cambered surface in second ladle body portion, and there is crackle in the end of the inverted draw cut, is used to split to described
Line carries out reparation welding, which is characterized in that and it includes the following steps,
Step A provides a top plate, and there are three the first stabilizer blades for connection on the top plate, assembles mandrel, the top plate is inverted
On erecting bed, a copper ring is then assembled on the top plate, the cydariform thin-wall part is upside down on the copper ring, later
The inner bearing type rotary pressure plate mechanism socket of rounding state is protruded on the mandrel by the opening in first ladle body portion
The cydariform thin-wall part.
The mandrel is step rod structure, and the mandrel is provided with coaxial transfer port, the mandrel side wall be provided with one with
The side wall stomata of the transfer port vertical connection and a keyway, the transfer port are connected with a hose coupling.The core
Axle sleeve is connected to spring, passes through interference fit in the keyway and is provided with flat key.
Inner bearing type rotary pressure plate mechanism includes that the pressure ring of coaxial arrangement and connection ring, the pressure ring have been rotatably connected rotation
Pressing plate, the rotary pressure plate are rotatably connected by connecting rod and the connection ring.The connection ring is provided with guide groove, the pressure
It is provided with axial link slot and radial annular groove on the inside of ring, the pressure ring also sets up that there are six circumferentially uniformly distributed with the annular groove
The gas port of connection.The rotary pressure plate is provided with for the pressure head and L-type with the conjunction of the interior lumen type face paste of the cydariform thin-wall part
Venthole, the pressure head middle part are provided with air channel, and the air channel is connected to the L-type venthole.The L-type venthole with
It is connected between the gas port by hose.
When inner bearing type rotary pressure plate mechanism is packed into the cydariform thin-wall part, protect inner bearing type rotary pressure plate mechanism
Rounding state is held, the connection ring is protruded into the opening in first ladle body portion, the guide groove is made to pass through the flat key, it
Afterwards, rotate inner bearing type rotary pressure plate mechanism, the guide groove and the position of the flat key made to be staggered, and the link slot with
The flat key is to matching, and inner bearing type rotary pressure plate mechanism integrally continues to move down later, and the pressure ring and the mandrel generate cunning
Dynamic cooperation, until the connection ring is contacted with the spring.
Step B, is inserted in clamp nut on the mandrel, and turning the clamp nut continues traveling downwardly the pressure ring, to make
It obtains the rotary pressure plate to outwardly open, until the inner cavity in the type face of the pressure head of the rotary pressure plate and the cydariform thin-wall part
Type face paste is closed, and the type face in the area to be welded of cydariform thin-wall part described in the rotary pressure plate stretching provides a pedestal, passes through three
The pedestal is connect by a column with the top plate, and there are three the second stabilizer blades for the pedestal setting, later overturns package unit,
Welding equipment is placed in be welded.
Step C after the completion of welding, overturns package unit, removes the pedestal, screw out the clamp nut, make the inner bearing type
Rotary pressure plate mechanism is in rounding state and takes out from the cydariform thin-wall part, finally removes the cydariform thin-wall part, completes weldering
It connects.
2. the method according to claim 1, wherein in stepb, the pedestal is provided with multiple mounting grooves,
By the mounting groove, the pedestal is provided with the grip block for clamping first ladle body portion.
3. according to the method described in claim 2, it is characterized in that, in stepb, the grip block is L-type structure, the folder
It holds block welding and is fixed with a latching, make the grip block in first ladle body portion by the latching using nut
Disc cooperation positioning, to form stable holding to first ladle body portion together with the pedestal.
4. the method according to claim 1, wherein in stepb, in welding, welding protective gas passes through
The hose coupling, via the transfer port and side wall stomata, the transmission inside the mandrel, later, passes through the annular groove and institute
Gas port transmission inside the pressure ring is stated, the rotary pressure plate then can be delivered to by hose, it is logical finally by the L-type
Stomata and the air channel are sent to commissure.
5. according to the method described in claim 4, it is characterized in that, the air channel can be by multiple with the L-type venthole
Aperture connection.
6. the method according to claim 1, wherein in stepb, there are two inwardly for the clamp nut setting
Flange, outside annular projection is provided at the top of the pressure ring, after the clamp nut is first inserted in the pressure ring, then together
It is packed into cydariform thin-wall part.
7. a kind of device for method described in claim 1, which is characterized in that it includes a top plate and a bottom plate,
The top plate is fixedly connected there are three the first stabilizer blade, mandrel and a copper ring, and there are three the second stabilizer blades for the bottom plate setting, described
Bottom plate is detachably connected with the top plate by three columns,
The mandrel is step rod structure, and the mandrel is provided with coaxial transfer port, the mandrel side wall be provided with one with
The side wall stomata of the transfer port vertical connection and a keyway, the transfer port are connected with a hose coupling.The core
Axle sleeve is connected to spring, passes through interference fit in the keyway and is provided with flat key.
The mandrel is removably connected with inner bearing type rotary pressure plate mechanism, inner bearing type rotary pressure plate mechanism by clamp nut
Pressure ring and connection ring including coaxial arrangement, the pressure ring have been rotatably connected rotary pressure plate, and the rotary pressure plate passes through connecting rod
It is rotatably connected with the connection ring.The connection ring is provided with guide groove, is provided with axial link slot on the inside of the pressure ring
With radial annular groove, the pressure ring also sets up that there are six the circumferentially uniformly distributed gas ports being connected to the annular groove.The rotation pressure
Plate is provided with for the pressure head and L-type venthole with the conjunction of the interior lumen type face paste of the cydariform thin-wall part, pressure head middle part setting
There is air channel, the air channel is connected to the L-type venthole.Pass through hose between the L-type venthole and the gas port
Connection.
8. device according to claim 7, which is characterized in that the pedestal is provided with multiple mounting grooves, passes through the peace
Tankage, the pedestal are provided with the grip block for clamping first ladle body portion, and the grip block is L-type structure, the folder
It holds block welding and is fixed with a latching.
9. device according to claim 7, which is characterized in that the rotary pressure plate and the copper ring material are all made of purple
Copper.
10. device according to claim 7, which is characterized in that there are two inside flange, institutes for the clamp nut setting
It states and is provided with outside annular projection at the top of pressure ring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910829913.7A CN110497132B (en) | 2019-09-04 | 2019-09-04 | Method and device for welding drum-shaped thin-wall part |
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| CN201910829913.7A CN110497132B (en) | 2019-09-04 | 2019-09-04 | Method and device for welding drum-shaped thin-wall part |
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| CN111570993A (en) * | 2020-04-20 | 2020-08-25 | 浙江零跑科技有限公司 | Manufacturing method of water-cooled shell of driving force system of electric automobile |
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|---|---|
| CN110497132B (en) | 2021-02-09 |
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