CN110280919A - A kind of realization pipeline and the accurate welding method of flange - Google Patents
A kind of realization pipeline and the accurate welding method of flange Download PDFInfo
- Publication number
- CN110280919A CN110280919A CN201910522592.6A CN201910522592A CN110280919A CN 110280919 A CN110280919 A CN 110280919A CN 201910522592 A CN201910522592 A CN 201910522592A CN 110280919 A CN110280919 A CN 110280919A
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- flange
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- turntable
- clamp
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Mechanical Engineering (AREA)
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- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of realization pipeline of the present invention and the accurate welding methods of flange, are aligned frustum by flange screw and flange screw calibrates the accurate cooperation calibration of taper hole, make the flange screw precise alignment on the two pieces ring flange on a root canal road；Then pipeline is placed between two sets of flanges clamp, drive lead screw rotation is controlled by rotation handwheel disk, it drives backhand welding to connect stand again and welds the movement of stand direction to the left on welding bench, pipeline is compressed, then cylinder is controlled, telescopic arm retraction, it successively plays driving motor again and welding gun is welded, welding is completed, unload pipeline, next welding is carried out again, the flange screw for realizing the two pieces ring flange welded on a root canal road is aligned one by one automatically, it can guarantee the precision welding of pipe flange, for some nuclear powers, on chemical industry or building, need the industry high to sealing for tubing joints intensity requirement that can use.
Description
Technical field
The present invention relates to the connection of sewage disposal device pipeline, the connection of noxious gas processing device pipeline and petroleum pipelines to add
Work installs equipment technical field, and in particular to a kind of realization pipeline and the accurate welding method of flange.
Background technique
Common transport pipeline is usually to be spliced by a large amount of pipeline, and the both ends in every root canal road are welded with method
Orchid is connected between each root canal road by flange, and flanged joint is convenient, secured and close, therefore is widely used in pipeline
Connection in.
In the prior art, the equipment by flange welding on pipeline and technology all compare more, and the degree of automation is also quite high,
The technical solution of column such as Patent No. 201410267726.1, may be implemented installation and automatic welding automatically.
But there is also many insoluble technical problems for above-mentioned similar devices；
It 1, is all that pipe will be inserted into flange and probably be according to professional standard, in general operation；The 1/3-2/3 of flange thickness,
And above-mentioned patented technology is pressed by both ends, flushes flange face and pipeline end face, this welding structure is easy to appear welding not
Jail causes the pipeline later period to unload leakage；
2, since flange covers on pipeline, the inner hole and pipeline outer wall of flange will necessarily directly have gap, if
Singly deposit by press, be that flange and pipeline can not be made to keep concentric shafts in welding, and also it is difficult to ensure that the side of flange
It is vertical with the axial line of pipeline, if flange tilts, both ends pipeline necessarily will appear gap in docking, stay
Lower security risk；
3, in industries such as sewage treatment, chemical industry, exhaust gas treatments, require to use pipeline connection, between each root canal road
It is connected by flange, two pieces flange is bolted again, in standard product, if two flanges on every pipeline
Screw hole be not aligned one by one, when the flange port of two sets of equipment is standardized production, that is to say, that on two sets of equipment flange ports
Screw hole be equally setting alignment, then when connect this two sets of equipment, intermediate pipeline is connected, and two pieces connection necessarily occurs
Screw hole on flange does not correspond to, and can not plug bolt, to influence equipment installation.
Summary of the invention
The purpose of the present invention is to overcome the shortage of prior art, and provides a kind of realization pipeline and the flange precisely side of welding
Method solves directly to press by both ends, flushes flange face and pipeline end face, and this welding structure is easy to appear not prison welding,
The pipeline later period is caused to unload leakage；Since flange covers on pipeline, between the inner hole and pipeline outer wall of flange will necessarily directly exist
Gap, if singly deposit by press, be that flange and pipeline can not be made to keep concentric shafts in welding, and also it is difficult to ensure that flange
Side with the axial line of pipeline be vertical, if flange tilts, both ends pipeline necessarily will appear in docking
Gap leaves security risk；And be connected between each root canal road by flange, two pieces flange is bolted again, is marking
It,, must when two root canal roads connect if the screw hole of two flanges on every pipeline is not aligned one by one in standardization product
The problem of screw hole so occurred on two pieces connecting flange does not correspond to, can not plug bolt.
The present invention is achieved through the following technical solutions:
A kind of realization pipeline and the accurate welding method of flange, comprising steps of
It is welding bench above welding bracing frame, inner transverse is equipped with drive lead screw, the left flange on the right side of welding bench
It clamps including left welding stand, the left welding stand is horizontally disposed in left welding stand on being fixed on the left of welding bench
There is left welding shaft, the outer end of left welding shaft is sequentially connected with the driving motor being arranged on welding bench by belt, described
Right flange, which is clamped, connects stand including backhand welding, and backhand welding connects stand and is slidably mounted on welding bench, and backhand welding connects stand lower end and transmission
Wire rod thread connection connects stand by rotation drive lead screw control backhand welding and moves left and right, and backhand welding, which connects to be horizontally disposed in stand, the right side
Weld shaft；
Switch through axis inner end in left welding shaft and backhand welding and be equipped with flange and clamp, the flange, which is clamped, clamps turntable including interior
Turntable is clamped with outer, interior clamp surround uniformly distributed 3-5 spoke type arc-shaped through-hole of array, the arc-shaped through-hole width on turntable
Successively become narrow gradually outside to inside from disk, it is described it is outer clamp on turntable with interior to clamp turntable corresponding around uniformly 3-5 spoke of array
Formula strip through-hole plugs a root flange in a corresponding arc-shaped through-hole and a strip through-hole and clamps bar, and the bar shaped is logical
The flange at hole both ends clamps bar equipped with stop collar, and it is the tapered bar knot matched with arc-shaped through-hole that flange, which clamps bar inner end,
Structure clamps bar inner end equipped with flange screw block in flange, clamps be movably equipped with pipeline press block on turntable medial surface inside；Inside
It clamps turntable periphery and is equipped with the manual control lever that can be folded to two sides, the manual control lever outer end is equipped with buckle, outside
The outer side edges of turntable are clamped along being equipped with around card slot, after manual control lever folds, are stuck in fixed in card slot；
Corresponding position is clamped with the flange in left welding shaft on welding bench and is fixed with welding gun stand, and the welding gun is vertical
Welding gun is installed on frame, the flange switched through on axis with backhand welding is connect in stand in backhand welding and clamps corresponding position and be fixed with welding gun support
Frame 26 is equipped with welding gun on the welding gun support frame；
It is loaded onto a set of banjo clip, wherein having a root flange to clamp on the flange screw block on bar is movably equipped with flange screw
Alignment block, the flange screw alignment block are frustum structure, and the big end bottom circular diameter of frustum structure is equal to flange screw diameter,
It is equipped with orthocenter clump weight equipped with the corresponding outer center of circle line position for clamping turntable of flange screw alignment block, passes through orthocenter clump weight
Gravity makes the corresponding flange screw of flange screw alignment block be in the top of ring flange；
Flange screw alignment frustum is equipped on turntable lateral surface in orthocenter clump weight corresponding outer clamp, with flange screw pair
The neat corresponding left welding stand of frustum and backhand welding connect and are equipped with cylinder in stand, and the telescopic arm end of the cylinder is equipped with flange spiral shell
Calibrate taper hole in hole；
First be mounted on ring flange is corresponding banjo clip respectively and load onto: pulling manual control lever, make in clamp turntable relative to
It clamps turntable outside to rotate, flange, which clamps bar, can synchronize outside expansion, and ring flange is placed on the interior method clamped on the inside of turntable
Orchid clamps bar cramp dress, selects to be aligned on the basis of a flange screw with flange screw alignment block, and then rotation manual controls anyway
Bar, ring flange can clamp bar, flange screw block and interior clamp in flange and be fixedly clamped under turntable medial surface collective effect, then
Manual control lever is buckled in the outer side edges for clamping turntable outside along being equipped in card slot, completes flange disk folder dress；
Banjo clip makes setting clamp the flange screw alignment cone on turntable outside under the gravity of orthocenter clump weight
Platform is equipped with flange screw calibration taper hole with the telescopic arm end of cylinder and is tentatively aligned, and then operates cylinder, and telescopic arm elongation makes to stretch
Contracting arm end is equipped with flange screw calibration taper hole and presses against on flange screw alignment frustum, is aligned frustum and method by flange screw
The accurate cooperation calibration of blue screw hole calibration taper hole, makes the flange screw precise alignment on the two pieces ring flange on a root canal road；
Then pipeline is placed between two sets of flanges clamp, passes through rotation handwheel disk and controls drive lead screw rotation, then band
Dynamic backhand welding connects stand and welds the movement of stand direction to the left on welding bench, and pipeline is compressed, and then controls cylinder, and telescopic arm returns
Contracting, then successively play driving motor and welding gun is welded, welding is completed, and unloads pipeline, then carry out next welding.
Further, pipeline press block includes disc structure and frustum structure, the disc structure with a thickness of method
The 1/3-2/3 of blue disc thickness, the outside diameter of disc structure are less than ring flange diameter of bore, and, the outside diameter of disc structure
Greater than inner bore of pipeline diameter, the big end bottom circular diameter of frustum structure is equal to inner bore of pipeline diameter, and screw rod is equipped on disc structure
Head, pipeline press block and are mounted on interior clamp on turntable by screw head.
Further, it loads onto a set of banjo clip, is set wherein there is a root flange to clamp activity on the flange screw block on bar
There is flange screw alignment block, the flange screw alignment block is frustum structure, and the big end bottom circular diameter of frustum structure is equal to flange
Screwhole diameter is equipped with orthocenter clump weight on being equipped with the corresponding outer center of circle line position for clamping turntable of flange screw alignment block, passes through
The gravity of orthocenter clump weight makes the corresponding flange screw of flange screw alignment block at the top of flange.
Further, the corresponding outer turntable lateral surface that clamps of the orthocenter clump weight is equipped with flange screw alignment frustum,
The corresponding left welding stand of frustum is aligned with flange screw and backhand welding connects stand equipped with cylinder, the telescopic arm end of the cylinder
Taper hole is calibrated equipped with flange screw, frustum is aligned by flange screw and flange screw calibrates the accurate cooperation calibration of taper hole, is made
The flange screw precise alignment on two pieces ring flange on one root canal road.
Further, the drive lead screw outer end is equipped with screw rod umbrella tooth, matches with screw rod umbrella tooth equipped with handwheel umbrella tooth, hand
Wheel umbrella tooth is connected with shaft and handwheel disk, controls drive lead screw rotation by rotation handwheel disk, then drive backhand welding to connect stand and welding
Consecutive upper movement.
Further, the outer turntable installation site that clamps that the left welding shaft is correspondingly arranged is equipped with connection sleeve, described
Left welding shaft inner end be plugged in connection sleeve in, it is left welding shaft inner end on be equipped with anti-dropout outer ring convex, it is corresponding again
The interior ring convex for being equipped with anti-dropout in the cylinder of sleeve outer end are connected, and are equipped with anti-skid chequer in left welding shaft inner face, it is corresponding outer
It clamps turntable installation site and also is provided with anti-skid chequer, after flange, which clamps, to be extruded, left welding shaft is with the outer turntable that clamps by rubbing
Power transmission connection is wiped, so that the outer turntable that clamps be driven to rotate.
Further, the buckle is L-type, and the sliding of buckle one end is plugged in manual control lever outer end, is controlling manually
It is equipped with the buckle spring for pulling buckle in bar outer end processed, pulls buckle to be locked in convenient for clamping around card slot by buckle spring
It is interior, it is additionally provided with handle ring at the buckle back side, is needing buckle pulling handle ring from when removing in card slot.
Compared with prior art, the present invention having the following advantages and benefits:
1, a kind of realization pipeline of the present invention and the accurate welding method of flange, by being clamped equipped with flange, flange clamp including
It inside clamps turntable and clamps turntable outside, interior clamp surround the uniformly distributed multiple spoke type arc-shaped through-holes of array on turntable, arc is logical
Hole width successively becomes narrow gradually outside to inside from disk, it is described it is outer clamp on turntable with interior to clamp turntable corresponding multiple around uniformly array
Spoke type strip through-hole plugs a root flange in a corresponding arc-shaped through-hole and a strip through-hole and clamps bar, and inside
It clamps turntable periphery and is equipped with the manual control lever that can be folded to two sides；
It is the ring flange clamping apparatus of the invention created that flange, which clamps, be can be convenient by the device ring flange is secured
It clamps, so that ring flange and flange is clamped the center of circle, principle is, when clamping turntable in rotation, due to arc-shaped through-hole
Bar position-limiting action is clamped to flange jointly with strip through-hole, an independent root flange clamps bar groove sliding of the bar in strip through-hole,
An independent root flange clamps bar and slides in arc-shaped through-hole inner arc groove, when clamping turntable in rotation, so that every root flange is clamped bar same
Step outwardly or inwardly moves, and when clamping ring flange, flange is first clamped bar expansion, and ring flange is placed on interior clamp on the inside of turntable
Medium position, then clamps turntable every root flange is made to clamp bar and synchronize and be inwardly securely clipped on ring flange in rotation, then will be manual
Control-rod be buckled in it is outer clamps on turntable, make in clamp turntable and can not rotate relative to clamping turntable outside, the center of circle of such ring flange
Line will accurately clamp center of circle line overlap with flange；
In order to guarantee that the side of ring flange is vertically clamped, bar inner end is clamped equipped with flange screw block, together in flange
When setting arc-shaped through-hole width successively become narrow gradually outside to inside from disk, clamping bar inner end in flange is to match with arc-shaped through-hole
Tapered rod structure, above structure, when in rotation clamping turntable and clamping ring flange, due to arc-shaped through-hole width from disk outside to inside
Successively become narrow gradually and flange to clamp bar inner end be the tapered rod structure matched with arc-shaped through-hole, so more root flanges
Bar is clamped in gradually clamping flange disk, inside clamps turntable relative to clamping turntable interval outside and becoming larger, in this way in clamp turn
The medial surface of disk will be extruded on the side of ring flange, and the medial surface and flange screw block collective effect for inside clamping turntable make method
Blue disk vertically clamps.
2, a kind of realization pipeline of the present invention and the accurate welding method of flange, are set by clamping activity on turntable medial surface inside
There is pipeline to press block；Pipeline press block includes disc structure and frustum structure, the disc structure with a thickness of flange thickness
1/3-2/3, the outside diameter of disc structure is less than ring flange diameter of bore, and, the outside diameter of disc structure is greater than pipeline
The big end bottom circular diameter of diameter of bore, frustum structure is equal to inner bore of pipeline diameter, and screw head, pipeline top are equipped on disc structure
Briquetting is mounted on interior clamp on turntable by screw head；
The 1/3-2/3 with a thickness of flange thickness of disc structure, it is ensured that the end of pipeline and ring flange lateral surface
Distance is required, is welded convenient for the later period；It is concentric that frustum structure can guarantee that pipeline is clamped with flange.
3, a kind of realization pipeline of the present invention and the accurate welding method of flange, realize the two pieces flange welded on a root canal road
The flange screw of disk is aligned one by one automatically, this all cannot achieve in the welding of existing pipe flange, and the prior art must pass through
The flange screw alignment solution of manually alignement bit by bit, ring flange of the invention is subsequent pipeline fast accurate
Connection is provided convenience；
The scheme of realization is, on the basis of selecting a flange screw first, presss from both sides the flange screw with a wherein root flange
Flange screw alignment block is movably equipped on flange screw block on dress bar to match, and has thus been determined that the benchmark flange screw exists
The relative position that flange clamps is led to by loading onto equipped with the corresponding banjo clip of flange screw alignment block equipped with orthocenter clump weight
The gravity for crossing orthocenter clump weight makes the corresponding benchmark flange screw of flange screw alignment block be in the top of ring flange substantially
Portion, the benchmark flange screw on such two pieces ring flange is with regard to substantially aligned, then again by the corresponding outer clip of orthocenter clump weight
It fills turntable lateral surface and is equipped with flange screw and be aligned frustum, be aligned the corresponding left welding stand of frustum with flange screw and backhand welding connects
Cylinder is equipped in stand, the telescopic arm end of the cylinder is equipped with flange screw and calibrates taper hole, is aligned and bores by flange screw
The accurate cooperation of platform and flange screw calibration taper hole is calibrated, and keeps the flange screw on the two pieces ring flange on a root canal road precisely right
Together.
Various types of pipelines and ring flange welding can be used in the present invention, need to only correspond to the pipeline press block of replacement cooperation
Frustum is aligned with flange screw.The precision welding that can guarantee pipe flange, for some nuclear powers, chemical industry or building
On, need the industry high to sealing for tubing joints intensity requirement that can use.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram for realizing pipeline and the accurate welding equipment of flange of the present invention；
Fig. 2 is the structural schematic diagram that the left flange of the present invention clamps；
Fig. 3 is the welder structural schematic diagram that the present invention clamps pipeline and ring flange；
Fig. 4 is the structural schematic diagram that turntable is clamped in the present invention；
Fig. 5 is the outer structural schematic diagram for clamping turntable of the present invention；
Fig. 6 is the structural schematic diagram of orthocenter clump weight of the present invention；
Fig. 7 is the structural schematic diagram of manual control lever of the present invention；
Fig. 8 is the structural schematic diagram that screw rod umbrella tooth of the present invention and handwheel umbrella tooth are coupled；
Fig. 9 is that the left welding shaft of the present invention clamps the structural schematic diagram by connecting sleeve connection with flange；
Label and corresponding parts title in attached drawing:
1- welding bracing frame, the left flange of 2- clamp, and the right flange of 3- clamps, 4- driving motor, 5- welding gun, 6- welding bench, 7-
Drive lead screw, the left welding stand of 8-, the left welding shaft of 9-, 10- belt, 11- backhand welding connect stand, and axis, 13- method are switched through in 12- backhand welding
Orchid clamps, and clamps turntable in 14-, clamps turntable outside 15-, 16- arc-shaped through-hole, 17- strip through-hole, and 18- flange clamps bar, 19-
Stop collar, 20- flange screw block, 21- pipeline press block, and 22- manual control lever, 23- buckle, 24- is around card slot, 25- welding gun
Stand, 26- welding gun support frame, 27- disc structure, 28- frustum structure, 29- ring flange, 30- pipeline, 31- screw head, 32- method
Blue screw hole alignment block, 33- flange screw, 34- orthocenter clump weight, 35- flange screw alignment frustum, 36- cylinder, 37- telescopic arm,
38- flange screw calibrates taper hole, and 39- goes up and down conduit bracket, 40- screw rod umbrella tooth, 41- handwheel umbrella tooth, 42- handwheel disk, 43- tensioning
Spring, 44- connection sleeve, the outer ring convex of 45-, ring convex in 46-, 47- buckle spring, 48- handle ring.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention, two left flanges clamp 2, right flange clamp 3 center be it is interior, be described as outer, attached drawing 1 outward
For, it is described as a left side on the left of attached drawing, corresponding direction is described as the right side.
Embodiment
As shown in figs 1-9, a kind of realization pipeline of the present invention and the accurate welding method of flange, which is characterized in that comprising steps of
It is welding bench 6 above welding bracing frame 1, is equipped with drive lead screw 7, the left side in 6 right side inner transverse of welding bench
It includes left welding stand 8 that flange, which clamps 2, and the left welding stand 8 is fixed on 6 left side of welding bench, in left welding stand 8
Horizontally disposed to have left welding shaft 9, the outer end of left welding shaft 9 passes through belt 10 with the driving motor 4 being arranged on welding bench 6
Transmission connection, it includes that backhand welding connects stand 11 that the right flange, which clamps 3, and backhand welding connects stand 11 and is slidably mounted on welding bench 6, backhand welding
It connects 11 lower end of stand to be threadedly coupled with drive lead screw 7, stand 11 is connect by the rotation control backhand welding of drive lead screw 7 and is moved left and right,
Backhand welding, which connects to be horizontally disposed in stand 11, has backhand welding to switch through axis 12；
Switch through 12 inner end of axis in left welding shaft 9 and backhand welding and be equipped with flange and clamp 13, it includes interior that the flange, which clamps 13,
It clamping turntable 14 and clamps turntable 15 outside, interior clamp surround uniformly distributed 3-5 spoke type arc-shaped through-hole 16 of array on turntable 14,
16 width of arc-shaped through-hole successively becomes narrow gradually outside to inside from disk, it is described it is outer clamp on turntable 15 with interior to clamp turntable 14 corresponding
Around uniformly distributed 3-5 spoke type strip through-hole 17 of array, in a corresponding arc-shaped through-hole 16 and 17 interpolation of strip through-hole
If a root flange clamps bar 18, the flange at 17 both ends of strip through-hole clamps bar 18 equipped with stop collar 19, and flange clamps bar
18 inner ends are the tapered rod structure matched with arc-shaped through-hole 16, clamp 18 inner end of bar in flange and are equipped with flange screw block 20,
It clamps inside and is movably equipped with pipeline press block 21 on 14 medial surface of turntable；Clamp inside 14 periphery of turntable be equipped with can be to two sides
The manual control lever 22 of folding, 22 outer end of manual control lever are equipped with buckle 23, clamp the outer side edges of turntable 15 outside along upper
Equipped with around card slot 24, after manual control lever 22 folds, buckle 23 is stuck in fixed in card slot 24；
13 corresponding positions, which are clamped, with the flange in left welding shaft 9 on welding bench 6 is fixed with welding gun stand 25, it is described
Welding gun 5 is installed, connecing in stand 11 flange switched through on axis 12 with backhand welding in backhand welding, to clamp corresponding position solid in welding gun stand 25
Surely it is equipped with welding gun support frame 26, welding gun 5 is installed on the welding gun support frame 26；
It is clamped on 13 in a set of flange, wherein having a root flange to clamp on the flange screw block 20 on bar 18 is movably equipped with method
Blue screw hole alignment block 32, the flange screw alignment block 32 are frustum structure, and the big end bottom circular diameter of frustum structure is equal to flange
33 diameter of screw hole is equipped with orthocenter clump weight on being equipped with the corresponding outer center of circle line position for clamping turntable 15 of flange screw alignment block 32
34, by the gravity of orthocenter clump weight 34, the corresponding flange screw 33 of flange screw alignment block 32 is made to be in ring flange 29
Top；
Flange screw alignment frustum 35 is equipped on 15 lateral surface of turntable in corresponding outer clamp of orthocenter clump weight 34, with flange
The corresponding left welding stand 8 of screw hole alignment frustum 35 and backhand welding connect and are equipped with cylinder 36 in stand 11, and the cylinder 36 stretches
37 end of arm is equipped with flange screw and calibrates taper hole 38；
First be mounted on ring flange 29 is corresponding flange respectively and clamp on 13: pulling manual control lever 22, make in clamp turntable
14 relative to clamping turntable 15 and rotating outside, and flange, which clamps bar 18, can synchronize outside expansion, and ring flange 29 is placed on inner clip
The flange of dress turntable 14 inside clamps bar 18 and clamps, and it is right with flange screw alignment block 32 on the basis of a flange screw 33 to select
Together, then rotation manual control-rod 22, ring flange 29 can clamp bar 18, flange screw block 20 and interior clamp in flange and turn anyway
It is fixedly clamped under 14 medial surface collective effect of disk, manual control lever 22 is then buckled in the outer outer side edges for clamping turntable 15 and is set on
Have in circular card slot 24, completes ring flange 29 and clamp；
Flange clamps 13 under the gravity of orthocenter clump weight 34, and setting is made to clamp the flange screw on turntable 15 outside
Alignment frustum 35 is equipped with flange screw calibration taper hole 38 with 37 end of telescopic arm of cylinder 36 and is tentatively aligned, and then operates cylinder
36, telescopic arm 37 extends, and so that 37 end of telescopic arm is equipped with flange screw calibration taper hole 38 and presses against flange screw alignment frustum 35
On, frustum 35 is aligned by flange screw and flange screw calibrates the accurate cooperation calibration of taper hole 38, is made on a root canal road 30
33 precise alignment of flange screw on two pieces ring flange 29；
Then pipeline 30 is placed on two sets of flanges to clamp between 13, controls 7 turns of drive lead screw by rotation handwheel disk 42
It is dynamic, then drive backhand welding to connect stand 11 and weld the movement of 8 direction of stand to the left on welding bench 6, pipeline 30 is compressed, gas is then controlled
Cylinder 36, telescopic arm 37 bounces back, then successively plays driving motor 4 and welding gun 5 is welded, and welding is completed, and unloads pipeline 30, then into
Row welding next time.
Using above-mentioned welding method, solves and directly pressed by both ends, flush flange face and pipeline end face, this weldering
Binding structure is easy to appear not prison welding, and the pipeline later period is caused to unload leakage；Since flange covers on pipeline, the inner hole and pipe of flange
Pipeline outer wall will necessarily directly have gap, if singly deposit by press, be that flange and pipeline can not be made to keep same in welding
Mandrel, and also it is difficult to ensure that the side of flange with the axial line of pipeline is vertical, if flange tilts, both ends
Pipeline necessarily will appear gap in docking, leave security risk；And be connected between each root canal road by flange, two pieces method
Orchid is bolted again, in standard product, if the screw hole of two flanges on every pipeline is not aligned one by one,
The problem of when so two root canal roads connect, the screw hole necessarily occurred on two pieces connecting flange is not corresponded to, and can not plug bolt.
Such as Fig. 1-9, a kind of realization pipeline and the accurate welder of flange, including welding bracing frame 1, Zuo Falan clamp 2, are right
Flange clamps 3, driving motor 4 and welding gun 5, is welding bench 6 above welding bracing frame 1, and welding bench 6 is elongate configuration, main root
According to the duct length setting often processed, multiple supporting legs are set below welding bench 6 and constitute welding bracing frame 1, welding bracing frame 1
For entire welder support construction, it is equipped with drive lead screw 7 in 6 right side inner transverse of welding bench, drive lead screw 7 is mainly disposed to
Backhand welding connects in the range of 11 activity of stand, and the both ends of drive lead screw 7 are installed by bearing block, and it includes a left side that Zuo Falan, which clamps 2,
Stand 8 is welded, the left welding stand 8 is fixed on 6 left side of welding bench, and it is fixed, left weldering that Zuo Falan, which clamps 2 positions,
It connects to be horizontally disposed in stand 8 and has left welding shaft 9, the outer end of left welding shaft 9 and the driving motor 4 being arranged on welding bench 6
It is sequentially connected by belt 10, in pipe flange welding, left welding shaft 9 drives flange to clamp 13 rotations again, and with this band
Dynamic pipeline 30, ring flange 29 and right flange clamp 3 rotations, and it includes that backhand welding connects stand 11 that the right flange, which clamps 3, and backhand welding connects stand
11 are slidably mounted on welding bench 6, and backhand welding connects 11 lower end of stand and is threadedly coupled with drive lead screw 7, by rotating drive lead screw 7
Control backhand welding connects stand 11 and moves left and right, and backhand welding, which connects to be horizontally disposed in stand 11, has backhand welding to switch through axis 12.
The left welding shaft 9 and backhand welding, which switch through 12 inner end of axis and be equipped with flange, clamps 13, and the flange clamps 13 and includes
It inside clamping turntable 14 and clamps turntable 15 outside, interior clamp surround uniformly distributed 3 spoke type arc-shaped through-holes 16 of array on turntable 14,
16 width of arc-shaped through-hole successively becomes narrow gradually outside to inside from disk, it is described it is outer clamp on turntable 15 with interior to clamp turntable 14 corresponding
Around uniformly distributed 3 spoke type strip through-holes 17 of array, plugged in a corresponding arc-shaped through-hole 16 and a strip through-hole 17
One root flange clamps bar 18, and the flange at 17 both ends of strip through-hole clamps bar 18 equipped with stop collar 19, and flange clamps bar 18
Inner end is the tapered rod structure matched with arc-shaped through-hole 16, clamps 18 inner end of bar in flange and is equipped with flange screw block 20,
It inside clamps and is movably equipped with pipeline press block 21 on 14 medial surface of turntable；14 periphery of turntable is clamped inside to be equipped with and can roll over to two sides
Folded manual control lever 22,22 outer end of manual control lever are equipped with buckle 23, and the outer side edges for clamping turntable 15 outside are set on
There is circular card slot 24, after manual control lever 22 folds, buckle 23 is stuck in fixed in card slot 24.Manual control lever 22 passes through
One U-shaped frame and shaft clamp on 14 periphery of turntable in being mounted on, and can act on folding, can not front and back rotation.The buckle
23 be L-type, and the sliding of 23 one end of buckle is plugged in 22 outer end of manual control lever, is equipped with and draws in 22 outer end of manual control lever
The buckle spring 47 of dynamic buckle 23 pulls buckle 23 to be locked in card slot 24 convenient for clamping, in card by buckle spring 47
It detains 23 back sides and is additionally provided with handle ring 48, needing buckle 23 pulling handle ring 48 from when removing in card slot 24.
13 corresponding positions, which are clamped, with the flange in left welding shaft 9 on welding bench 6 is fixed with welding gun stand 25, it is described
Welding gun 5 is installed, connecing in stand 11 flange switched through on axis 12 with backhand welding in backhand welding, to clamp corresponding position solid in welding gun stand 25
Surely it is equipped with welding gun support frame 26, welding gun 5 is installed on the welding gun support frame 26.
A kind of realization pipeline of the present invention and the accurate welding method of flange clamp 13 by being equipped with flange, and flange clamps 13 packets
Turntable 14 is clamped in including and clamps turntable 15 outside, and interior clamp surround the uniformly distributed multiple spoke type arc-shaped through-holes of array on turntable 14
16,16 width of arc-shaped through-hole successively becomes narrow gradually outside to inside from disk, it is described it is outer clamp on turntable 15 with interior to clamp turntable 14 corresponding
Around the uniformly distributed multiple spoke type strip through-holes 17 of array, plugged in a corresponding arc-shaped through-hole 16 and a strip through-hole 17
One root flange clamps bar 18, and clamps 14 periphery of turntable inside and be equipped with the manual control lever 22 that can be folded to two sides；
It is the ring flange clamping apparatus that the present invention creates that flange, which clamps 13, be can be convenient by the device ring flange is firm
Admittedly clamping, ring flange 29 and flange can accurately be made to clamp 13 centers of circle, principle is, when clamping turntable 14 in rotation, due to
Arc-shaped through-hole 16 and strip through-hole 17 clamp 18 position-limiting action of bar to flange jointly, and it is logical in bar shaped that an independent root flange clamps bar 18
Bar groove sliding in hole 17, an independent root flange clamps bar 18 and slides in 16 inner arc groove of arc-shaped through-hole, when clamping turntable in rotation
When 14, so that every root flange is clamped the synchronization of bar 18 and outwardly or inwardly move, when clamping ring flange 29, flange is first clamped into bar 18 and is opened up
It opens, ring flange 29 is placed on the interior medium position for clamping 14 inside of turntable, turntable 14 is then clamped in rotation presss from both sides every root flange
Dress bar 18, which synchronizes, to be inwardly securely clipped on ring flange 29, then manual control lever 22 is buckled in and is clamped on turntable 15 outside, makes interior clamp
For turntable 14 relative to clamping turntable 15 outside and can not rotate, the center of circle line of such ring flange 29 will accurately clamp 13 circles with flange
Heart line overlap；
In order to guarantee that the side of ring flange 29 is vertically clamped, 18 inner end of bar is clamped equipped with flange screw block in flange
20, while 16 width of arc-shaped through-hole is arranged and successively becomes narrow gradually outside to inside from disk, clamping 18 inner end of bar in flange is and arc
The tapered rod structure that through-hole 16 matches, above structure, when clamping turntable 14 in rotation and clamping ring flange 29, since arc is logical
16 width of hole successively becomes narrow gradually outside to inside from disk and flange to clamp 18 inner end of bar be the cone matched with arc-shaped through-hole 16
Type rod structure inside clamps turntable 14 and turns relative to outer clamp so more root flanges clamp bar 18 in gradually clamping flange disk 29
The interval of disk 15 becomes larger, and the medial surface for clamping turntable 14 interior in this way will be extruded on the side of ring flange 29, inside clamps and turns
The medial surface of disk 14 makes ring flange 29 is vertical to clamp with 20 collective effect of flange screw block.
Pipeline press block 21 include disc structure 27 and frustum structure 28, the disc structure 27 with a thickness of ring flange 29
The 1/3-2/3 of thickness, the outside diameter of disc structure 27 are less than 29 diameter of bore of ring flange, and, the outer circle of disc structure 27 is straight
Diameter is greater than 30 diameter of bore of pipeline, and the big end bottom circular diameter of frustum structure 28 is equal to 30 diameter of bore of pipeline, in disc structure 27
It is equipped with screw head 31, pipeline press block 21 is mounted on interior clamp on turntable 14 by screw head 31.
Pipeline press block 21 is movably equipped on 14 medial surface of turntable by clamping inside；It includes disk knot that pipeline, which presses block 21,
The dimensional structure of structure 27 and frustum structure 28, disc structure 27 and frustum structure 28 is according to pipeline 30 and the processing system of ring flange 29
It makes, different pipelines 30 and ring flange 29 weld, and the pipeline of package size is needed to press block 21, the thickness of the disc structure 27
Degree is the 1/3-2/3 of 29 thickness of ring flange, and the outside diameter of disc structure 27 is less than 29 diameter of bore of ring flange, and, disk knot
The outside diameter of structure 27 is greater than 30 diameter of bore of pipeline, and the big end bottom circular diameter of frustum structure 28 is equal to 30 diameter of bore of pipeline,
Screw head 31 is equipped on disc structure 27, pipeline press block 21 is mounted on interior clamp on turntable 14 by screw head 31；
The 1/3-2/3 with a thickness of 29 thickness of ring flange of disc structure 27, it is ensured that the end of pipeline 30 and ring flange
29 lateral surfaces require distance, weld convenient for the later period；It is concentric that frustum structure 28 can guarantee that pipeline 30 with flange clamps 13.
Such as figure, a kind of realization pipeline of the present invention and the accurate welding method of flange realize two welded on a root canal road 30
The flange screw 33 of part ring flange 29 is aligned one by one automatically, this all cannot achieve in the welding of existing pipe flange, existing skill
Art must be by alignement manually bit by bit, after the alignment of flange screw 33 solution of ring flange 29 of the invention is
Continuous pipeline fast accurate connection is provided convenience；
The scheme of realization is, on the basis of selecting a flange screw 33 first, makes the flange screw 33 and a wherein method
Orchid, which clamps, to be movably equipped with flange screw alignment block 32 on the flange screw block 20 on bar 18 and matches, and the benchmark has thus been determined
Flange screw 33 clamps 13 relative position in flange, by clamping on 13 equipped with the corresponding flange of flange screw alignment block 32
The corresponding benchmark flange of flange screw alignment block 32 is made by the gravity of orthocenter clump weight 34 equipped with orthocenter clump weight 34
Screw hole 33 is in the top of ring flange 29 substantially, and the benchmark flange screw 33 on such two pieces ring flange 29 is just substantially aligned, so
Afterwards again by being equipped with flange screw alignment frustum 35 on 15 lateral surface of turntable in corresponding outer clamp of orthocenter clump weight 34, with flange
The corresponding left welding stand 8 of screw hole alignment frustum 35 and backhand welding connect and are equipped with cylinder 36 in stand 11, and the cylinder 36 stretches
37 end of arm is equipped with flange screw and calibrates taper hole 38, is aligned frustum 35 by flange screw and flange screw calibrates the essence of taper hole 38
Quasi- cooperation calibration, makes 33 precise alignment of flange screw on the two pieces ring flange 29 on a root canal road 30.
Various types of pipelines and ring flange welding can be used in the present invention, need to only correspond to the pipeline press block of replacement cooperation
Frustum is aligned with flange screw.The precision welding that can guarantee pipe flange, for some nuclear powers, chemical industry or building
On, need the industry high to sealing for tubing joints intensity requirement that can use.
It is clamped on 13 in a set of flange, wherein having a root flange to clamp on the flange screw block 20 on bar 18 is movably equipped with method
Blue screw hole alignment block 32, the flange screw alignment block 32 are frustum structure, and the big end bottom circular diameter of frustum structure is equal to flange
33 diameter of screw hole is equipped with orthocenter clump weight on being equipped with the corresponding outer center of circle line position for clamping turntable 15 of flange screw alignment block 32
34, by the gravity of orthocenter clump weight 34, the corresponding flange screw 33 of flange screw alignment block 32 is made to be in ring flange 29
Top.
Orthocenter clump weight 34 is fan-shaped block structure.Fan-shaped block structure is downward convenient for the center of gravity that flange clamps 13, reduces flange
13 swing is clamped, because having clamped ring flange, after the completion of flange clamps 13, is inevitably swung.
Corresponding outer 15 lateral surface of turntable that clamps of orthocenter clump weight 34 is equipped with flange screw alignment frustum 35, with flange spiral shell
The corresponding left welding stand 8 of hole alignment frustum 35 and backhand welding connect and are equipped with cylinder 36 in stand 11, the telescopic arm of the cylinder 36
37 ends are equipped with flange screw and calibrate taper hole 38, are aligned frustum 35 by flange screw and calibrate the accurate of taper hole 38 with flange screw
Cooperation calibration, makes 33 precise alignment of flange screw on the two pieces ring flange 29 on a root canal road 30.
Lifting conduit bracket 39 is equipped with for position sliding with the pipeline of installation 30 on welding bench 6, goes up and down conduit bracket 39
More than one piece can be set.Lifting conduit bracket 39 can move on welding bench 6, mainly carry out Auxiliary support to pipeline 30, rise
Drop conduit bracket 39 can carry out upgrading adjusting according to the pipeline of different-diameter, and basic structure is a V-type bracket, is being held
Mouth position is equipped with idler wheel, and the screw rod and mounting blocks that can upgrade adjusting are equipped in V-type pedestal lower end.Other carrier structures can also be with
It is applicable in.
7 outer end of drive lead screw is equipped with screw rod umbrella tooth 40, matches with screw rod umbrella tooth 40 equipped with handwheel umbrella tooth 41, handwheel
Umbrella tooth 41 is connected with shaft and handwheel disk 42, controls drive lead screw 7 by rotation handwheel disk 42 and rotates, then backhand welding is driven to connect stand
11 move on welding bench 6.
It inside clamps turntable 14 and clamps center between turntable 15 outside and be equipped with tensioning spring 43.Tensioning spring 43 can make
Inside clamp turntable 14 has inside tension in real time, convenient for compressing mounting flange 29.
As shown in figure 9, being equipped with connection sleeve 44, the left welding on turntable 15 in left welding shaft 9 corresponding outer clamp
9 inner end of shaft be plugged in connection sleeve 44 in, it is left welding 9 inner end of shaft on be equipped with anti-dropout outer ring convex 45, it is corresponding again
The interior ring convex 46 for being equipped with anti-dropout in the cylinder of 44 outer end of sleeve are connected, and are equipped with anti-skid chequer in left 9 inner face of welding shaft, it is corresponding
Outer 15 installation site of turntable that clamps also be provided with anti-skid chequer, after flange, which clamps 13, to be extruded, left welding shaft 9 turns with clamping outside
Disk 15 is sequentially connected by frictional force, so that the outer turntable 15 that clamps be driven to rotate.When flange clamps 13 and is not extruded, outer clip
Dress turntable 15 and left 9 inner face of welding shaft will appear gap.If left welding shaft 9 clamps 13 uses with flange and is fixedly connected
Mode, since left welding shaft 9 is connect by belt with driving motor 4, resistance is larger, and the setting of the structure, main purpose is to make
Outer in left welding shaft 9 clamps the resistance that turntable 15 is freely rotated and becomes smaller, and clamps turntable 15 convenient for outer in left welding shaft 9
It rotates under the gravity of orthocenter clump weight 34, convenient for the screw hole alignment on quickly calibrated two pieces ring flange 29.
Shown in Fig. 1-8, a kind of realization pipeline of the present invention and the accurate welding method of flange are in use, first respectively by ring flange 29
Correspondence is mounted on flange and clamps on 13, specifically, manual control lever 22 is first unfolded, pulls manual control lever 22, turns interior clamp
Disk 14 relative to clamping turntable 15 and rotating outside, and all flanges, which clamp bar 18, can synchronize outside expansion, when flange clamps bar
When the size of 18 expansion can clamp ring flange 29, ring flange 29 is placed on the interior flange for clamping 14 inside of turntable and clamps bar 18
It is interior, it is noted that one benchmark flange screw 33 of selection is aligned with flange screw alignment block 32 substantially, and then rotation manual controls anyway
Bar 22, ring flange 29 can clamp bar 18, flange screw block 20 and interior clamp in flange and press from both sides under 14 medial surface collective effect of turntable
It fastens, then manual control lever 22 is buckled in the outer side edges for clamping turntable 15 outside in equipped with circular card slot 24, Completion Techniques
Blue disk 29 clamps.
Flange clamps 13 under the gravity of orthocenter clump weight 34, and setting is made to clamp the flange screw on turntable 15 outside
37 end of telescopic arm for being aligned frustum 35 and cylinder 36 is substantially aligned equipped with flange screw calibration taper hole 38, is then turned on cylinder
36, telescopic arm 37 extends, and so that 37 end of telescopic arm is equipped with flange screw calibration taper hole 38 and presses against flange screw alignment frustum 35
On, frustum 35 is aligned by flange screw and flange screw calibrates the accurate cooperation calibration of taper hole 38, is made on a root canal road 30
33 precise alignment of flange screw on two pieces ring flange 29.
Then pipeline 30 is placed on lifting conduit bracket 39, drive lead screw 7 is controlled by rotation handwheel disk 42 and is rotated,
It drives backhand welding to connect stand 11 again and welds the movement of 8 direction of stand to the left on welding bench 6, pipeline 30 is clamped, cylinder is then turned on
36, telescopic arm 37 bounces back, then successively plays driving motor 4 and welding gun 5 is welded, and completes welding in one week, unloads workpiece, then into
Row welding next time.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of realization pipeline and the accurate welding method of flange, which is characterized in that comprising steps of
It is welding bench (6) that inner transverse is equipped with drive lead screw (7) on the right side of welding bench (6), institute above welding bracing frame (1)
Stating left flange and clamping (2) includes left welding stand (8), and the left welding stand (8) is fixed on welding bench (6) left side,
Being horizontally disposed on left welding stand (8) has left welding shaft (9), and the outer end of left welding shaft (9) and setting are on welding bench (6)
Driving motor (4) by belt (10) be sequentially connected, it includes that backhand welding connects stand (11) that the right flange, which clamps (3), and backhand welding connects
Stand (11) is slidably mounted on welding bench (6), and backhand welding connects stand (11) lower end and is threadedly coupled with drive lead screw (7), is passed through
Rotation drive lead screw (7) control backhand welding connects stand (11) and moves left and right, and backhand welding, which connects to be horizontally disposed on stand (11), has backhand welding to switch through
Axis (12)；
Switch through axis (12) inner end in left welding shaft (9) and backhand welding and be equipped with flange and clamp (13), the flange clamps (13) packet
It clamps turntable (14) in including and clamps turntable (15) outside, interior clamp surround uniformly distributed 3-5 spoke type of array on turntable (14)
Arc-shaped through-hole (16), arc-shaped through-hole (16) width successively become narrow gradually outside to inside from disk, described to clamp on turntable (15) outside
It is corresponding around uniformly distributed 3-5 spoke type strip through-hole (17) of array with interior clamp turntable (14), in a corresponding arc-shaped through-hole
(16) it and plugs a root flange in a strip through-hole (17) to clamp bar (18), the flange at strip through-hole (17) both ends clamps
Bar (18) is equipped with stop collar (19), and it is the tapered bar knot matched with arc-shaped through-hole (16) that flange, which clamps bar (18) inner end,
Structure clamps bar (18) inner end equipped with flange screw block (20) in flange, clamps be movably equipped with pipe on turntable (14) medial surface inside
Road presses block (21)；Turntable (14) periphery is clamped inside is equipped with the manual control lever (22) that can be folded to two sides, the hand
Dynamic control-rod (22) outer end is equipped with buckle (23), clamps the outer side edges of turntable (15) outside along being equipped with around card slot (24), when
After manual control lever (22) folds, buckle (23) is stuck in fixed in card slot (24)；
(13) corresponding position, which is clamped, with the flange on left welding shaft (9) on welding bench (6) is fixed with welding gun stand (25),
Welding gun (5) are installed on the welding gun stand (25), the banjo clip switched through on axis (12) with backhand welding is connect on stand (11) in backhand welding
Dress corresponding position is fixed with welding gun support frame (26), is equipped with welding gun (5) on the welding gun support frame (26)；
It clamps on (13) in a set of flange, is movably equipped on the flange screw block (20) on bar (18) wherein there is a root flange to clamp
Flange screw alignment block (32), the flange screw alignment block (32) are frustum structure, big end bottom circular diameter of frustum structure etc.
In flange screw (33) diameter, set on being equipped with flange screw alignment block (32) corresponding outer center of circle line position for clamping turntable (15)
There are orthocenter clump weight (34), by the gravity of orthocenter clump weight (34), makes the corresponding flange of flange screw alignment block (32)
Screw hole (33) is in the top of ring flange (29)；
Flange screw alignment frustum (35) is equipped on turntable (15) lateral surface in orthocenter clump weight (34) corresponding outer clamp, with method
Blue screw hole is aligned frustum (35) corresponding left welding stand (8) and backhand welding connects and is equipped with cylinder (36), the gas on stand (11)
Telescopic arm (37) end of cylinder (36) is equipped with flange screw calibration taper hole (38)；
Ring flange (29) correspondence is first mounted on flange respectively to clamp on (13): pulling manual control lever (22), turns interior clamp
Disk (14) relative to clamping turntable (15) and rotating outside, and flange, which clamps bar (18), can synchronize outside expansion, by ring flange (29)
Clamp the flange on the inside of turntable (14) in being placed on and clamp bar (18) and clamp, select on the basis of a flange screw (33) with flange
Screw hole alignment block (32) alignment, then rotation manual control-rod (22), ring flange (29) can clamp bar (18), method in flange anyway
Blue compact heap (20) and interior clamp are fixedly clamped under turntable (14) medial surface collective effect, then detain manual control lever (22)
The outer side edges of turntable (15) are clamped outside along being equipped in card slot (24), are completed ring flange (29) and are clamped；
Flange clamps (13) under the gravity of orthocenter clump weight (34), and setting is made to clamp the flange spiral shell on turntable (15) outside
Hole is aligned frustum (35) and is tentatively aligned with telescopic arm (37) end of cylinder (36) equipped with flange screw calibration taper hole (38), then
It operates cylinder (36), telescopic arm (37) elongation, so that telescopic arm (37) end is equipped with flange screw calibration taper hole (38) and press against method
On blue screw hole alignment frustum (35), pass through the accurate cooperation of flange screw alignment frustum (35) and flange screw calibration taper hole (38)
Calibration, makes flange screw (33) precise alignment on the two pieces ring flange (29) on a root canal road (30)；
Then pipeline (30) is placed on two sets of flanges to clamp between (13), drive lead screw is controlled by rotation handwheel disk (42)
(7) it rotates, then drives backhand welding to connect stand (11) and weld the movement of stand (8) direction to the left on welding bench (6), pipeline (30) are pressed
Tightly, cylinder (36) then are controlled, telescopic arm (37) retraction, then successively play driving motor (4) and welding gun (5) is welded, it welds
Completion is connect, unloads pipeline (30), then carry out next welding.
2. a kind of realization pipeline according to claim 1 and the accurate welding method of flange, which is characterized in that the pipeline top
Briquetting (21) includes disc structure (27) and frustum structure (28), the disc structure (27) with a thickness of ring flange (29) thickness
1/3-2/3, the outside diameter of disc structure (27) is less than ring flange (29) diameter of bore, and, the outer circle of disc structure (27)
Diameter is greater than pipeline (30) diameter of bore, and the big end bottom circular diameter of frustum structure (28) is equal to pipeline (30) diameter of bore, in circle
Dish structure (27) be equipped with screw head (31), pipeline press block (21) by screw head (31) be mounted in clamp turntable (14)
On.
3. a kind of realization pipeline according to claim 1 and the accurate welding method of flange, which is characterized in that the driving wire
Bar (7) outer end is equipped with screw rod umbrella tooth (40), is matched with screw rod umbrella tooth (40) equipped with handwheel umbrella tooth (41), handwheel umbrella tooth (41) is even
It is connected to shaft and handwheel disk (42), by rotation handwheel disk (42) control drive lead screw (7) rotation, then backhand welding is driven to connect stand
(11) it is moved on welding bench (6).
4. a kind of realization pipeline according to claim 1 and the accurate welding method of flange, which is characterized in that the left welding
Corresponding outer clamp turntable (15) of shaft (9) are equipped with connection sleeve (44), and left welding shaft (9) inner end is plugged in connection
In sleeve (44), the outer ring convex (45) of anti-dropout are equipped on left welding shaft (9) inner end, corresponding reconnection sleeve (44) is outside
Hold cylinder in be equipped with anti-dropout interior ring convex (46), and left welding shaft (9) inner face be equipped with anti-skid chequer, it is corresponding outside clamp
Turntable (15) installation site also is provided with anti-skid chequer, and after flange, which clamps (13), to be extruded, left welding shaft (9) clamps turntable with outer
(15) it is sequentially connected by frictional force, so that outer clamp turntable (15) be driven to rotate.
5. a kind of realization pipeline according to claim 1 and the accurate welding method of flange, which is characterized in that the buckle
It (23) is L-type, the sliding of buckle (23) one end is plugged in manual control lever (22) outer end, in manual control lever (22) outer end
It is interior to be equipped with the buckle spring (47) for pulling buckle (23), pull buckle (23) to be locked in ring convenient for clamping by buckle spring (47)
In card slot (24), handle ring (48) are additionally provided at buckle (23) back side, are needing to buckle (23) from card slot (24)
When removing, pull handle ring (48).
6. a kind of realization pipeline according to claim 1 and the accurate welding method of flange, which is characterized in that clamped in described
Around uniformly distributed 3 spoke type arc-shaped through-holes (16) of array on turntable (14), arc-shaped through-hole (16) width from disk outside to inside according to
It is secondary to become narrow gradually, it is described it is outer clamp on turntable (15) with interior to clamp turntable (14) corresponding around uniformly 3 spoke type bar shapeds of array
Through-hole (17).
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| CN201910522592.6A CN110280919B (en) | 2019-06-17 | 2019-06-17 | Method for realizing accurate welding of pipeline and flange |
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| CN201910522592.6A CN110280919B (en) | 2019-06-17 | 2019-06-17 | Method for realizing accurate welding of pipeline and flange |
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| CN110280919B CN110280919B (en) | 2020-11-17 |
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