CN104028817A - Integrated milling equipment for welding groove of large irregular medium plate structure - Google Patents
Integrated milling equipment for welding groove of large irregular medium plate structure Download PDFInfo
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- CN104028817A CN104028817A CN201410310700.0A CN201410310700A CN104028817A CN 104028817 A CN104028817 A CN 104028817A CN 201410310700 A CN201410310700 A CN 201410310700A CN 104028817 A CN104028817 A CN 104028817A
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Abstract
The invention discloses integrated milling equipment for a welding groove of a large irregular medium plate structure. The integrated milling equipment comprises a milling cutter system component, a fixed-depth profile modeling component, a milling cutter adjusting component, a normal-direction support component, a horizontal tracking component, a milling cutter box floating component, a 90-degree reversing component, a height raising component, a groove length displacement component and a milling cutter box body. Firstly, separated weldments are assembled into an integrated weldment; afterwards, the welding groove is integrally machined; finally, welding is performed; in this way, the machining productivity of the welding groove is increased to at least double. With regard to integrated machining of the welding groove, the welding groove is machined through one milling cutter at a time, and therefore the consistency and reliability of the size of welding seams of the welding groove integrally machined are higher; the integrated milling equipment is quite beneficial to assembly quality guarantee of the weldments and the dimensional accuracy of the welded product; the machining cost of the welding groove is lower; the dimensional consistency of the welding groove is quite high, and single-sided weld with double-sided formation can usually be achieved; in this way, the welding productivity is further increased, and the production cycle is further shortened.
Description
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Technical field
The invention belongs to welding technology field, relate to the bevel for welding equipment for integrated processing of a kind of thickness of slab in the irregular large scale structure of cut deal lower range.
Background technology
Conventionally by the thickness range appellation cut deal of 4mm to 28mm, the thickness of slab of 4mm to 8mm left and right is positioned at the lower limit region of cut deal.The Welding Structure of this region thickness of slab is very extensive in field application such as the accumulating instrument such as liquid medium (as groove tank car), pressure vessel, chemical reaction devices.Due to the particularity (as temperature, pressure) of particularity (as inflammable and explosive, toxicity, the corrosivity) working environment of the in-built medium of this class formation when the container form, conventionally the class requirement of its weld seam (as longitudinal joint, circumferential weld) quality is high, does not allow dangerous larger any defective workmanships such as lack of penetration, incomplete fusion.For ensureing the important welded welding quality of this class, four kinds of solder technology below normal employing in prior art:
1. bevelling does not adopt penetration ability can cover the welding method of the large penetration ability of above-mentioned thickness range, as plasma arc welding (PAW), submerged-arc welding, friction stir welding method;
2. first open reverse side single groove, this groove side is with after semi-automatic gas tamper seal back welding, then front back chipping bevel, last front automatic gas shielded welding or submerged-arc welding cover welding;
3. open single groove, GTAW back welding; Again after another side back chipping, semi-automatic or automatic gas shielded welding or submerged-arc welding cover welding;
4. single groove or square groove are opened in front, and reverse side pastes forced shaping pad (ceramic blanket, metal gasket, water-cooled copper packing, stainless steel pad or graphite pads etc.), positive Lincoln weld or gas-shield automatic welding.
It is less that 1. technology is usually used in physical dimension, planform rule, the higher occasion of bevel for welding dimensional uniformity after assembling; For size is large, planform is irregular, especially assemble the occasion that back root part gap b, width of root face P fluctuation is larger and be difficult to application; Add equipment complexity, the costliness of plasma arc welding (PAW) and friction stir welding, may be one preferred technique on high-end product, but the utmost point is felt bad manufacturing enterprise and favored on general large scale structure;
2. technology is semi-automatic gas shielded arc welding bottom sealing method due to what adopt, lower to the bevel for welding dimension precision requirement after assembling, in front back chipping quality when higher and positive cover welding under the reliable prerequisite of seam track tracking accuracy, welding quality qualification rate still can, but artificial back chipping and artificial tracking under final pass condition, welding quality qualification rate is difficult to the index that reaches desirable, and in prior art, automatic back chipping technology and the highly reliable and self-adapted tracking technique of irregularly shaped large welded structures is very deficient;
3. technology is the GTAW back welding adopting with the technology main distinction 2., advantage with technology 2., and the q&r of backing run is higher, but it is low that shortcoming is welding productivity, welding production cost is high, in the situation that product size is less, there is application, but rare application on irregular large scale structure;
1. 4. technology belong to single-side welding double-side forming technology with technology, apply when correct its productivity ratio far above technology 2. with technology 3., and the coherence request to the bevel for welding size after assembling is low, allow with larger sweating heat input, the probability of lack of penetration incomplete fusion defect is extremely low; When being reverse side small space, shortcoming can not use, because be difficult to installation and removal shaping cushion, except permanent metal gasket.
Comprehensively above-mentioned, prior art remains in following main limitation under irregular cut deal large scale structure condition:
1. the welding method (as plasma arc welding (PAW), friction stir welding) that square groove can free forming requires too high to welding groove ruler cun assembly precision, the traditional production technique of irregular universal architecture is difficult to reach above-mentioned requirements;
2. a semi-automatic method back cover welding, though the technology of another side back chipping cover welding automatically can reduce greatly to welding groove ruler cun machining accuracy and assembly precision requirement, welding quality first-time qualification rate is lower, welding productivity is lower;
3. in the welding technique of existing groove, be assembling front to two parts weldment separating bevel respectively, after the assembling of this two parts weldment, often have larger inconsistency because the factors such as misalignment cause groove depth, the width of root face, in the circular seams of tank body of irregular square circular groove tank car and longitudinal joint are produced, this limitation is very outstanding; The weldment separating respectively bevel one is that productivity ratio is low, the 2nd, and uniformity and reliability to follow-up capping automatic welding quality have been buried larger hidden danger, and often qualification rate is not high;
4. lack the more high-precision bevel for welding process technology of high efficiency and supporting high reliability seam track adaptive tracing technology of irregular large scale structure.
Summary of the invention
The object of the invention is to overcome the limitation of prior art, for make irregular cut deal large scale structure produce in welding procedure lower to assembling the root gap required precision of rear bevel for welding, while needing bevel, the productivity ratio of finished edge is higher, groove dimensional accuracy is higher, provides a kind of erose Welding Structure first to assemble after tack welding the equipment of overall Mechanized Processing bevel for welding again.
The technical solution adopted in the present invention is: a kind of bevel for welding entirety milling equipment of irregular cut deal large scale structure, both can process circumferential weld groove, and also can process longitudinal joint groove; It is characterized in that: mainly comprise milling cutter system component, depthkeeping pattern assembly, milling cutter adjusting part, support normal assembly, horizontal tracing assembly, the unsteady assembly of milling cutter case, 90 ° of commutation assemblies, elevated height assembly, groove length displacement assembly and milling cutter box bodies;
Described milling cutter system component comprises milling cutter case, free-extension Universal linking lever and milling power assembly, described milling cutter case comprises milling cutter and gear-box, described milling power assembly is by milling motor, milling reduction box and electromagnetic clutch composition, described milling reduction box and milling motor are fixed on the horizontal supporting plate of 90 ° of described commutation assemblies, the output of described gear-box is connected with described milling cutter, the input of described gear-box is connected with described free-extension Universal linking lever, the main function of described gear-box is that relative power intake is exported break-in, the output of described milling motor connects described milling reduction box, described milling reduction box output connects described electromagnetic clutch, the output of described electromagnetic clutch connects described free-extension Universal linking lever, described free-extension Universal linking lever is for the moment of torsion transmission between output and the gear-box of described milling power parts, and described electromagnetic clutch is worked and out-of-work coupling control between described milling power assembly and described milling cutter,
Described depthkeeping pattern assembly is for controlling the degree of depth and the whole milling cutter box body of rigid support of milling tool weldment, comprise the first roll assembly, second roller wheel assembly and two running roller bearings, the first described roll assembly, second roller wheel assembly is by running roller, rolling axle, bearing, bearing block composition, described running roller is arranged on described rolling axle, described rolling axle is arranged on described bearing, described bearing is arranged on described bearing block, described bearing block can be structure as a whole with running roller bearing, described running roller bearing is arranged on described milling cutter box body, and be positioned at the both sides of described milling cutter, the center line of two running rollers overlaps with the center line of milling cutter,
Described milling cutter adjusting part is for realizing the given adjusting of bevel for welding milling depth and the manual adjustments that follow the tracks of lateral attitude, be installed in described milling cutter box body, mainly comprise traversing slide block guide rail pair, traversing bolt and nut pair, traversing handwheel, vertical shift slide block guide rail pair, vertical shift bolt and nut pair and vertical shift handwheel, described traversing slide block guide rail pair, traversing bolt and nut pair and traversing handwheel are used for described milling cutter case with respect to the horizontal left and right position adjustments between described milling cutter box body, described traversing slide block guide rail pair, the nut of traversing bolt and nut pair, vertical shift slide block guide rail pair, the nut of vertical shift bolt and nut pair is installed on described milling cutter case, the screw rod of described traversing bolt and nut pair, traversing handwheel, the screw rod of vertical shift bolt and nut pair, vertical shift handwheel is installed on described milling cutter box body, the screw bolt seat structure of the screw bolt seat structure of described traversing bolt and nut pair and vertical shift bolt and nut pair will ensure that screw rod does not have axially-movable in the time of work, described vertical shift slide block guide rail pair, vertical shift bolt and nut pair and vertical shift handwheel is for the stepless given adjusting of milling depth,
Described support normal assembly comprises two cover backing roll wheel assemblies, two described cover backing roll wheel assemblies are by running roller, rolling axle, bearing, running roller seat, guide rail, guide groove, spring base and spring composition, the upper end of described running roller seat is that spacing running roller seat, lower end are dancer wheel seat, described spring is installed between limiting roll wheel seat and dancer wheel seat by spring base, described bearing is arranged on running roller seat, described running roller is arranged on bearing by rolling axle, and the lower end of described running roller seat is equipped with guide rail, is connected with milling cutter box body by guide groove; Described support normal assembly is for elasticity supplemental support milling cutter case, while ensureing that milling cutter is positioned at the arc of the various different curvature of weldment, the center line of milling cutter is the normal direction position in milling place camber line all the time, to guarantee the degree of depth uniformity of all-round long bevel for welding, running roller can horizontally ride on the center line of bevel for welding and be positioned at the one in front and one in back equidistant position of milling cutter;
Described horizontal tracing assembly is followed the tracks of the center of weldment actual welding groove for the mid-depth of milling cutter;
The unsteady assembly of described milling cutter case is made up of floating guide rail and slide block, and described floating guide rail is arranged on the horizontal supporting plate of 90 ° of described commutation assemblies, and described slide block is arranged on milling cutter box body;
90 ° of described assemblies that commutate are transformed into for the circumferential weld groove processing of irregular tank structure 90 ° of commutations of milling cutter that longitudinal joint groove adds man-hour, mainly comprise commutation top board, vertical gusset and horizontal supporting plate; The described upper and lower two ends of vertical gusset are fixedly connected with horizontal supporting plate with described commutation top board respectively, milling cutter Power Component, elevated height assembly and described floating guide rail parts described in commutation top board, vertical gusset and the laterally space mounting between supporting plate;
Milling cutter box body lifting and suspension when described elevated height assembly is used for without weldment state, comprise lifting motor, promote reduction box, hoisting mechanism; Described hoisting mechanism is made up of sprocket wheel, chain, detachable suspension member; After described lifting motor and the assembling of lifting reduction box, be arranged on the horizontal supporting plate of 90 ° of described commutation assemblies; The output of described lifting reduction box is installed sprocket wheel, and described detachable suspension member is arranged on described milling cutter box body, is connected and transmit to promote moment between described detachable suspension member and sprocket wheel by chain;
Described groove length displacement assembly is for dragging the device of weldment displacement when milling cutter case is fixed, when weldment rotation or translation, comprise the tank body positioner of processing circumferential weld groove and process the gantry mechanism of longitudinal joint groove; Described tank body positioner is made up of driven positioner and active positioner, be separately positioned on the two ends of length of tank, for the fixing tank body in the two ends from length of tank, the displacement that drives tank body to rotate circumferential weld groove when work, after circumferential weld groove machines, by milling cutter case half-twist, tank body positioner rotates longitudinal joint to be processed to top, tank body positioner quits work, and gantry mechanism drags milling cutter case along the displacement of longitudinal joint length direction, thereby completes the processing of longitudinal joint groove.
As preferably, described milling cutter is disc, at the circumferential Soldered hard alloy blade of disc substrate, guarantees that each blade has identical anterior angle, relief angle, cutting edge inclination and minimum radial beat eccentricity with cutter and tool grinding machine processing.
As preferably, the running roller center line of the first roll assembly and the running roller center line of second roller wheel assembly of described depthkeeping pattern assembly all overlap with the center line of milling cutter, in the time ensureing the reasonable range of lateral adjustment of milling cutter, it is nearest with bevel for welding center line that two running rollers are made every effort to.
As preferably, described milling cutter adjusting part also comprises locking mechanism, after having regulated, locks for bevel for welding portraitlandscape, surprisingly loosening to prevent related components.
As preferably, the limiting roll wheel seat of the running roller seat upper end of described support normal assembly is provided with the device of limit spring, the interior bar structure, the outer spacing hole slot structure of using used when spacing.
As preferably, described horizontal tracing assembly is artificial usage track assembly, operator observes the situation that overlaps of milling cutter center and bevel for welding center line, if discovery deviation, the screw rod of the traversing bolt and nut pair described in manual adjustment, by the nut of described traversing bolt and nut pair, direct mobile milling cutter is rectified a deviation.
As preferably, described horizontal tracing assembly is machine operation trace component, comprise the ccd video camera, computer picture recognition system, control system and the servomotor that are arranged on milling cutter front portion, the output of described servomotor connects the screw rod of described traversing bolt and nut pair, described ccd video camera and computer picture recognition system, automatically detect in real time the deviation of milling cutter with respect to bevel for welding center line, then drive servomotor automatically to regulate the lateral attitude of milling cutter to carry out real-time deviation correcting by control system.
As preferably, what described tank body positioner and gantry mechanism were all selected is industrial general product.
As preferably, described bevel for welding entirety milling equipment is also provided with fixture that can 90 ° of commutations, described fixture comprises crossbeam and two groups of column agencies, described column agency is made up of gantry seat-box, walking gear, tooth bar and I-shaped guide rail, described walking gear is arranged on below described gantry seat-box, described tooth bar is arranged on described I-shaped guide rail one side, and two described gantry seat-boxs support whole fixture on I-shaped guide rail by the road wheel of seat-box bottom; One end of described bevel for welding entirety milling equipment is fixedly mounted under described crossbeam by 90 ° of described commutation assemblies, and the other end is connected with milling cutter box body with unsteady assembly, elevated height assembly by free-extension Universal linking lever.
Compared with the prior art, bevel for welding entirety milling equipment of the present invention, has following significant advantage:
1, prior art is all to separate weldment to process after bevel for welding respectively, then is assembled into entirety, last welding; The present invention is first assembled into overall weldment by the weldment of separation, and entirety is processed bevel for welding more afterwards, last welding, and compared with existing split machining bevel for welding technology, bevel for welding processing throughput improves at least one times;
2, split type processing bevel for welding, groove depth, the bevel angle of two welding that separate, the uniformity of the width of root face by twice respectively process control respectively, monoblock type processing of the present invention is that a milling cutter processes at one time, as long as the horizontal tracing at the mid-depth phase butt welded seam center of milling cutter reaches rational precision, the uniformity of the groove size of two weldments to be welded is high, this will be very beneficial for ensureing uniformity and the reliability of welding quality, i.e. uniformity and the reliability of the weld size of monoblock type processing bevel for welding are higher;
3, when split type processing bevel for welding, because root face size is less conventionally, what have is even zero, this ensures the assembly clearance of two weldments that separate to when assembling, unfitness of butt joint high consistency is very difficult, and the present invention is square groove before two weldment assemblings that separate, and is complete 90 ° of straight flanges of thickness of slab, under this condition, to ensureing two, to separate assembly clearance and the unfitness of butt joint uniformity of weldments much easier in assembling, i.e. the present invention is very favourable to ensureing assembling quality and the welding product size accuracy of weldment;
4, bevel for welding processing cost is lower;
5, the bevel for welding dimensional uniformity of the technology of the present invention is very high, no longer needs to fetch guarantee welding quality by back root cleaning and welding by both sides, conventionally can single-side welding double-side forming, and this will further improve welding productivity, shorten the production cycle.
Brief description of the drawings
Accompanying drawing 1: be the square circular circular seams of tank body bevel for welding of the embodiment of the present invention and the system of longitudinal seam welding groove monoblock type process equipment composition schematic diagram;
Accompanying drawing 2: the basic composition schematic diagram that is the overall milling device of the embodiment of the present invention;
Accompanying drawing 3: the girth welding groove that is the embodiment of the present invention adds milling cutter normal direction Position Control principle schematic in man-hour;
Accompanying drawing 4: the structural representation that is the support normal assembly of the embodiment of the present invention.
Accompanying drawing 5: the front view schematic diagram that is 90 ° of commutation assemblies of the embodiment of the present invention;
Accompanying drawing 6: the top view schematic diagram that is 90 ° of commutation assemblies of the embodiment of the present invention;
Accompanying drawing 7: be the schematic diagram that the milling cutter center of the embodiment of the present invention overlaps with weldment groove center to be processed.
Detailed description of the invention
Understand and enforcement the present invention for the ease of those of ordinary skill in the art, below in conjunction with drawings and Examples, the present invention is described in further detail, should be appreciated that exemplifying embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
Ask for an interview Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the technical solution adopted in the present invention is: a kind of bevel for welding entirety milling equipment of irregular cut deal large scale structure, mainly comprises milling cutter system component, depthkeeping pattern assembly 11, milling cutter adjusting part, support normal assembly, horizontal tracing assembly, 15,90 ° of commutation assemblies of the unsteady assembly of milling cutter case, elevated height assembly, groove length displacement assembly and milling cutter box body 4.
Milling cutter system component comprises milling cutter case, free-extension Universal linking lever 8 and milling power assembly, milling cutter case comprises milling cutter 10 and gear-box 9, milling power assembly is made up of milling motor 5, milling reduction box 6 and electromagnetic clutch 7, the power of milling motor 5 and speed reducing ratio should be calculated according to the intensity of machined material, Milling Process performance and milling productivity ratio, conventionally more than thousands of watts, buncher and non-buncher all can be realized Milling Function, the output of gear-box 9 is connected with milling cutter 10, and the input of gear-box 9 is connected with free-extension Universal linking lever 8, and the main function of gear-box 9 is that relative power intake is exported break-in, the output of milling motor 5 connects milling reduction box 6, 6 outputs of milling reduction box connect electromagnetic clutch 7, the output of electromagnetic clutch 7 connects free-extension Universal linking lever 8, free-extension Universal linking lever 8 is for the moment of torsion transmission between output and the gear-box of milling power parts, this free-extension Universal linking lever 8 is selected retractable and is had gimbal function, that volume and weight based on milling power assembly is all larger, being integrated on milling cutter case to cause the bulky weight of milling cutter case too heavy, be applied on weldment and may cause weldment distortion, so by this milling power assembly and the split of milling cutter case and be fixed in other auxiliary equipment that its power do not directly act on weldment as the crossbeam at gantry, because weldment is irregularly shaped, as square circular, in weldment when motion,, its radial dimension that rotates a circle differed greatly, and the distance of Power Component and milling cutter inter-module is constantly to change, thereby to need the connecting rod of transmitting torque between milling power assembly and milling cutter case must be retractable, milling cutter case needs horizontal tracing seam center to carry out left and right adjusting displacement, and milling cutter assembly is installed on fixed position, and therefore the two ends of connecting rod must be universal connections, electromagnetic clutch 7 is for work between milling power assembly and milling cutter 10 and out-of-work coupling control.
So depthkeeping pattern assembly 11 use are controlled the degree of depth and the whole milling cutter case of rigid support of milling cutter 10 milling weldments, comprise the first roll assembly, second roller wheel assembly and two running roller bearings, the first roll assembly, second roller wheel assembly is by running roller, rolling axle, bearing, bearing block composition, running roller is arranged on rolling axle, rolling axle is arranged on bearing, bearing is arranged on bearing block, bearing block can be structure as a whole with running roller bearing, running roller bearing is arranged on milling cutter box body 4, and be positioned at milling cutter 10 both sides, the running roller center line of two depthkeeping pattern assemblies overlaps with the center line of milling cutter 10.
Milling cutter adjusting part is for realizing the given adjusting of bevel for welding milling depth and the manual adjustments that follow the tracks of lateral attitude, be installed in milling cutter box body 4, mainly comprise traversing slide block guide rail pair 14, traversing bolt and nut pair 13, traversing handwheel, vertical shift slide block guide rail pair, vertical shift bolt and nut secondary 12 and vertical shift handwheel, traversing slide block guide rail pair 14, traversing bolt and nut secondary 13 and traversing handwheel are used for milling cutter case with respect to the horizontal left and right position adjustments between milling cutter box body 4, traversing slide block guide rail pair 14, the nut of traversing bolt and nut pair 13, vertical shift slide block guide rail pair, the nut of vertical shift bolt and nut pair 12 is installed on milling cutter case, the screw rod of traversing bolt and nut pair 13, traversing handwheel, the screw rod of vertical shift bolt and nut pair 12, vertical shift handwheel is installed on milling cutter box body 4, the screw bolt seat structure of the screw bolt seat structure of traversing bolt and nut pair 13 and vertical shift bolt and nut pair 12 will ensure that screw rod does not have axially-movable in the time of work, vertical shift slide block guide rail pair, vertical shift bolt and nut secondary 12 and vertical shift handwheel are for the stepless given adjusting of milling depth.In the time of milling cutter 10 horizontal left and right position adjustments, rotate the traversing handwheel in traversing bolt and nut pair 13, the assembly of milling cutter 10 working ends is only done the translation of horizontal left and right by the guide rail guiding in traversing slide block guide rail pair 14, and when vertical shift handwheel in rotation vertical shift bolt and nut pair 12, milling cutter case is by nut power transmission in vertical shift bolt and nut pair 12, free-extension Universal linking lever 8 is elongated or shortened on one side, realize the given adjusting of the degree of depth that milling cutter 10 cuts weldment thickness of slab, this depth adjustment scope is depending on the applicable weldment thickness range of this process equipment, maximum equals to be suitable for the upper limit of thickness of slab, the traversing scope of milling cutter 10 adds the axial movement value of weldment in man-hour depending on circumferential weld, be generally greater than maximum shifting amount, as ± 10mm.
The milling cutter adjusting part of the present embodiment also comprises locking mechanism, after having regulated, locks for bevel for welding portraitlandscape, loosening to prevent the accident of related components.
Support normal assembly comprises two cover backing roll wheel assemblies, two cover backing roll wheel assemblies form by running roller, rolling axle, bearing, running roller seat, guide rail 31, guide groove 33, spring base and spring 28, the upper end of running roller seat is that spacing running roller seat 29, lower end are dancer wheel seat 30, the limiting roll wheel seat 29 of the upper end of running roller seat is provided with the device of limit spring, in use bar structure, the outer spacing hole slot structure of using when spacing; Spring is installed between limiting roll wheel seat 29 and dancer wheel seat 30 by spring base, and bearing is arranged on running roller seat, and running roller is arranged on bearing by rolling axle, and the lower end of running roller seat is equipped with guide rail 31, is connected with milling cutter box body 4 by guide groove 33; Support normal assembly is for elasticity supplemental support milling cutter case, while ensureing that milling cutter 10 is positioned at the arc of the various different curvature of weldment, milling cutter 10 center lines are the normal direction position in milling place camber line all the time, to guarantee the degree of depth uniformity of all-round long bevel for welding, running roller can horizontally ride over bevel for welding in the heart and be positioned at the one in front and one in back equidistant position of milling cutter 10; If the gravity that whole milling cutter case is applied on workpiece by depthkeeping running roller equals P, the support force F1 that closes of the two groups of springs in front and back adds F2 and should be less than 1/3P, and front and back two support forces equate; Horizontal tracing assembly is followed the tracks of the center of weldment actual welding groove for the mid-depth of milling cutter 10.In the time that milling cutter 10 center lines are positioned on the center of gravity line of milling cutter box body 4, two running rollers and milling cutter 10 center should before and after equidistant, while coincidence, the elastic force of two springs 28 should be unequal, the running roller close to center of gravity answers elastic force larger.
The unsteady assembly 15 of milling cutter case is made up of floating guide rail and slide block, and floating guide rail is arranged on the horizontal supporting plate of 90 ° of commutation assemblies, and slide block is arranged on milling cutter box body 4; The unsteady stroke of milling cutter box body 4 on floating guide rail deducts minimum diameter difference according to weldment maximum gauge designs divided by 2, if the circular cylinder body weldment of rule, this floats and can be used as the flexible design of different barrel diameters.The engineering goods of guide rail and slide block useful commercial, also can self design; These parts add man-hour for irregular square circular circumferential weld groove, in the time that milling cutter 10 is machined to the circumferential diverse location of circumferential weld groove, due to the difference of radius of curvature, ensure that milling cutter case is pasting the curved surface of weldment tank body all the time, milling cutter case is pasting weldment tank body 2 normal orientation radially and is floating.
90 ° of commutation assemblies are transformed into for the circumferential weld groove processing of irregular tank structure the milling cutter 10 that tank body longitudinal joint groove adds man-hour and commutate, and mainly comprise commutation top board 26, vertical gusset 34 and horizontal supporting plate 35; Vertically gusset is fixedly connected with horizontal supporting plate 35 with commutation top board 26 respectively at two ends Shang Xia 34, space mounting milling cutter Power Component, elevated height assembly and floating guide rail parts between commutation top board 26, vertical gusset 34 and horizontal supporting plate 35; On commutation top board 26, having the circular bolt slot that is greater than two quadrants, is a if circumferential weld adds man-hour, and the screw at b two places is connected with gantry beam 16, after 0 half-twist, process for longitudinal joint, be c, d two places are connected with gantry beam 16, can extend 4 bolts of bolt slot and connect when insufficient strength.
Milling cutter box body 4 liftings and suspension when elevated height assembly is used for without weldment state, comprise lifting motor 17, promote reduction box 18, hoisting mechanism 19; Hoisting mechanism 19 is made up of sprocket wheel, chain, detachable suspension member; After lifting motor 17 and 18 assemblings of lifting reduction box, be arranged on the horizontal supporting plate 35 of 90 ° of commutation assemblies; The output that promotes reduction box 18 is installed sprocket wheel, and detachable suspension member is arranged on milling cutter box body 4, is connected and transmit to promote moment between detachable suspension member and sprocket wheel by chain.
Groove length displacement assembly for dragging weldment rotation or translation in the time that milling cutter case is fixing, or in the time that weldment is fixing, drag the device of milling device displacement, this groove length displacement assembly is different and different according to the three-dimensional shape of weldment and size, weld shape, as weldment be square circular tank body 2(its comprise square circular pot body closing end 1 at assembled state), need the bevel for welding shape of entirety processing to have circular seams of tank body, also have tank body longitudinal joint, comprise the tank body positioner 27 of processing circumferential weld groove and the gantry mechanism of processing longitudinal joint groove, tank body positioner 27 is made up of driven positioner and active positioner, be separately positioned on the two ends of length of tank, for the fixing tank body in the two ends from length of tank, initiatively positioner is provided with motor and speed reducer, when work, drive tank body to rotate the processing of circumferential weld groove, after circumferential weld groove machines, by milling cutter case half-twist, tank body positioner 27 rotates longitudinal joint to be processed to top, tank body positioner 27 quits work, gantry mechanism drags milling cutter case along vertical length direction displacement, thereby complete the processing of longitudinal joint groove, it is weldment displacement that this circumferential weld adds man-hour, milling cutter is fixed, that weldment is motionless and longitudinal joint adds man-hour, milling cutter displacement, the tank body positioner 27 here and gantry mechanism are all optional uses the industrial universal product.
The bevel for welding entirety milling equipment of the present embodiment is also provided with fixture, fixture comprises crossbeam 16 and two groups of column agencies, column agency is made up of gantry seat-box 21, walking gear 22, tooth bar 23 and I-shaped guide rail 24, walking gear 22 is arranged on below gantry seat-box 21, tooth bar 23 is arranged on a side of I-shaped guide rail 24, and the road wheel of seat-box bottom, two gantry supports whole fixture on I-shaped guide rail 24; One end of bevel for welding entirety milling equipment is fixedly mounted on crossbeam 16 times by 90 ° of commutation assemblies, and the other end is connected with milling cutter box body 4 with unsteady assembly 15, elevated height assembly 19 by free-extension Universal linking lever 8.
The milling cutter 10 of the present embodiment is disc, at the circumferential Soldered hard alloy blade of disc substrate, after disk diameter is determined, knife number should be many as far as possible, process to guarantee that with cutter and tool grinding machine each blade has identical anterior angle, relief angle, cutting edge inclination and minimum radial beat eccentricity; The running roller center line of two depthkeeping pattern assemblies overlaps with the center line of milling cutter 10, and in the time ensureing the reasonable range of lateral adjustment of milling cutter 10, the running roller of two depthkeeping pattern assemblies makes every effort to nearest with bevel for welding center line.
The horizontal tracing assembly of the present embodiment is artificial usage track assembly, operator observes the mid-depth of milling cutter 10 and the situation that overlaps at bevel for welding center, if discovery deviation, the screw rod of the traversing bolt and nut pair 13 of manual adjustment, by the nut of traversing bolt and nut pair 13, direct mobile milling cutter 10 is rectified a deviation.Certainly, this is not the restriction to the present embodiment, in fact, the horizontal tracing assembly of the present embodiment can also be machine operation trace component, comprise the ccd video camera 25 that is arranged on milling cutter 10 front portions, computer picture recognition system, control system and servomotor, the output of servomotor connects the screw rod of traversing bolt and nut pair 13, ccd video camera 25 and computer picture recognition system, automatically detect in real time the mid-depth of milling cutter 10 with respect to the deviation at bevel for welding center, drive servomotor automatically to regulate the lateral attitude of milling cutter 10 to carry out real-time deviation correcting by control system again.The front that ccd video camera 25 is arranged on milling cutter 10 is as far as possible from the position close to milling cutter 10, and its height is determined according to the focal length of video camera; Control system is the real-time and actual bevel for welding center superposition of mid-depth for ensureing milling cutter 10, in the time that video camera finds that the mid-depth of milling cutter 10 departs from actual bevel for welding center, its control system based on computer picture recognition system calculates departure fast, and according to given control strategy, calculate fast the rectify a deviation controlled quentity controlled variable of displacement of milling cutter 10, and send and carry out the instruction of rectifying a deviation, transverse shifting servomotor work (substituting the function of traversing handwheel), regulates and stops after milling cutter 10 centers and bevel for welding center superposition.Because the speed of Milling Process groove is slower, also can realize artificial tracking by the horizontal given governor motion of milling cutter 10.
Though the present invention invents for the bevel for welding entirety processing of irregular cut deal large scale structure, in fact the present invention also can be widely used in cut deal all thickness ranges in addition, as 4mm to 400mm; Construction profile is also not limited to irregular structure, the revolving body of rule, the tank body of rule, body structure and the plate welding structure etc. of rule; When the regular texture, some parts of present device can remove or convert other function, and as the milling cutter case assembly that floats should change the given function of lift in height into, hoisting mechanism can remove etc.During for regular texture and other thickness range, all technical advantages of the present invention are applicable equally.
Should be understood that, the part that this description does not elaborate all belongs to prior art.
Should be understood that; the above-mentioned description for preferred embodiment is comparatively detailed; can not therefore think the restriction to scope of patent protection of the present invention; those of ordinary skill in the art is under enlightenment of the present invention; do not departing from the scope situation that the claims in the present invention protect; can also make and replacing or distortion, within all falling into protection scope of the present invention, request protection domain of the present invention should be as the criterion with claims.
Claims (9)
1. the bevel for welding of an irregular cut deal large scale structure entirety milling equipment, both can process circumferential weld groove, also can process longitudinal joint groove; It is characterized in that: mainly comprise milling cutter system component, depthkeeping pattern assembly (11), milling cutter adjusting part, support normal assembly, horizontal tracing assembly, the unsteady assembly (15) of milling cutter case, 90 ° of commutation assemblies, elevated height assembly, groove length displacement assembly and milling cutter box bodies (4);
Described milling cutter system component comprises milling cutter case, free-extension Universal linking lever (8) and milling power assembly, described milling cutter case comprises milling cutter (10) and gear-box (9), described milling power assembly is by milling motor (5), milling reduction box (6) and electromagnetic clutch (7) composition, described milling reduction box (6) and milling motor (5) are fixed on the horizontal supporting plate (35) of 90 ° of described commutation assemblies, the output of described gear-box (9) is connected with described milling cutter (10), the input of described gear-box (9) is connected with described free-extension Universal linking lever (8), the main function of described gear-box (9) is that relative power intake is exported break-in, the output of described milling motor (5) connects described milling reduction box (6), described milling reduction box (6) output connects described electromagnetic clutch (7), the output of described electromagnetic clutch (7) connects described free-extension Universal linking lever (8), described free-extension Universal linking lever (8) is for the moment of torsion transmission between output and the gear-box (9) of described milling power parts, and described electromagnetic clutch (7) is for working and out-of-work coupling control between described milling power assembly and described milling cutter (10),
Described depthkeeping pattern assembly (11) is for controlling the degree of depth and the whole milling cutter box body of rigid support (4) of milling cutter (10) milling weldment, comprise the first roll assembly, second roller wheel assembly and two running roller bearings, the first described roll assembly, second roller wheel assembly is by running roller, rolling axle, bearing, bearing block composition, described running roller is arranged on described rolling axle, described rolling axle is arranged on described bearing, described bearing is arranged on described bearing block, described bearing block can be structure as a whole with running roller bearing, described running roller bearing is arranged on described milling cutter box body (4), and be positioned at the both sides of described milling cutter (10), the center line of two running rollers overlaps with the center line of milling cutter (10),
Described milling cutter adjusting part is for realizing the given adjusting of bevel for welding milling depth and the manual adjustments that follow the tracks of lateral attitude, be installed in described milling cutter box body (4), mainly comprise traversing slide block guide rail pair (14), traversing bolt and nut pair (13), traversing handwheel, vertical shift slide block guide rail pair, vertical shift bolt and nut pair (12) and vertical shift handwheel, described traversing slide block guide rail pair (14), traversing bolt and nut pair (13) and traversing handwheel are used for described milling cutter case with respect to the horizontal left and right position adjustments between described milling cutter box body (4), described traversing slide block guide rail pair (14), the nut of traversing bolt and nut pair (13), vertical shift slide block guide rail pair, the nut of vertical shift bolt and nut pair (12) is installed on described milling cutter case, the screw rod of described traversing bolt and nut pair (13), traversing handwheel, the screw rod of vertical shift bolt and nut pair (12), vertical shift handwheel is installed on described milling cutter box body (4), the screw bolt seat structure of described traversing bolt and nut pair (13) and the screw bolt seat structure of vertical shift bolt and nut pair (12) will ensure that screw rod does not have axially-movable in the time of work, described vertical shift slide block guide rail pair, vertical shift bolt and nut pair (12) and vertical shift handwheel is for the stepless given adjusting of milling depth,
Described support normal assembly comprises two cover backing roll wheel assemblies, two described cover backing roll wheel assemblies are by running roller, rolling axle, bearing, running roller seat, guide rail (31), guide groove (33), spring base and spring (28) composition, the upper end of described running roller seat is spacing running roller seat (29), lower end is dancer wheel seat (30), described spring (28) is installed between limiting roll wheel seat (29) and dancer wheel seat (30) by spring base, described bearing is arranged on running roller seat, described running roller is arranged on bearing by rolling axle, guide rail (31) is equipped with in the lower end of described running roller seat, be connected with milling cutter box body (4) by guide groove (33), described support normal assembly is for elasticity supplemental support milling cutter case, while ensureing that milling cutter (10) is positioned at the arc of the various different curvature of weldment, the center line of milling cutter (10) is the normal direction position in milling place camber line all the time, to guarantee the degree of depth uniformity of all-round long bevel for welding, running roller can horizontally ride on the center line of bevel for welding and be positioned at the one in front and one in back equidistant position of milling cutter (10),
Described horizontal tracing assembly is followed the tracks of the center of weldment actual welding groove for the mid-depth of milling cutter (10);
The unsteady assembly (15) of described milling cutter case is made up of floating guide rail and slide block, and the horizontal supporting plate (35) of 90 ° of commutation assemblies described in described floating guide rail is arranged on is upper, and described slide block is arranged on milling cutter box body (4);
90 ° of described assemblies that commutate are transformed into for the circumferential weld groove processing of irregular tank structure (10) 90 ° of commutations of milling cutter that longitudinal joint groove adds man-hour, mainly comprise commutation top board (26), vertical gusset (34) and horizontal supporting plate (35); The upper and lower two ends of described vertical gusset (34) respectively with described commutation top board (26) and laterally supporting plate (35) be fixedly connected with, milling cutter Power Component, elevated height assembly and described floating guide rail parts described in the space mounting between commutation top board (26), vertical gusset (34) and horizontal supporting plate (35);
Milling cutter box body (4) lifting and suspension when described elevated height assembly is used for without weldment state, comprise lifting motor (17), promote reduction box (18), hoisting mechanism (19); Described hoisting mechanism (19) is made up of sprocket wheel, chain, detachable suspension member; After described lifting motor (17) and lifting reduction box (18) assembling, be arranged on the horizontal supporting plate (35) of 90 ° of described commutation assemblies; The output of described lifting reduction box (18) is installed sprocket wheel, and it is upper that described detachable suspension member is arranged on described milling cutter box body (4), is connected and transmit to promote moment between described detachable suspension member and sprocket wheel by chain;
Described groove length displacement assembly is for dragging the device of weldment displacement when milling cutter case is fixed, when weldment rotation or translation, comprise the tank body positioner (27) of processing circumferential weld groove and process the gantry mechanism of longitudinal joint groove; Described tank body positioner (27) is made up of driven positioner and active positioner, be separately positioned on the two ends of length of tank, for the fixing tank body in the two ends from length of tank, when work, drive tank body to rotate the displacement of circumferential weld groove, after circumferential weld groove machines, by milling cutter case half-twist, tank body positioner (27) rotates longitudinal joint to be processed to top, tank body positioner (27) quits work, gantry mechanism drags milling cutter case along the displacement of longitudinal joint length direction, thereby completes the processing of longitudinal joint groove.
2. the bevel for welding of irregular cut deal large scale structure according to claim 1 entirety milling equipment, it is characterized in that: described milling cutter (10) is disc, at the circumferential Soldered hard alloy blade of disc substrate, process and guarantee that each blade has identical anterior angle, relief angle, cutting edge inclination and minimum radial beat eccentricity with cutter and tool grinding machine.
3. the bevel for welding of irregular cut deal large scale structure according to claim 1 entirety milling equipment, it is characterized in that: the running roller center line of the first roll assembly of described depthkeeping pattern assembly (11) and the running roller center line of second roller wheel assembly all overlap with the center line of milling cutter (10), in the time ensureing the reasonable range of lateral adjustment of milling cutter (10), it is nearest with bevel for welding center line that two running rollers are made every effort to.
4. the bevel for welding of irregular cut deal large scale structure according to claim 1 entirety milling equipment, it is characterized in that: described milling cutter adjusting part also comprises locking mechanism, after having regulated for bevel for welding portraitlandscape, lock, surprisingly loosening to prevent related components.
5. the bevel for welding of irregular cut deal large scale structure according to claim 1 entirety milling equipment, it is characterized in that: the limiting roll wheel seat (29) of the running roller seat upper end of described support normal assembly is provided with the device of limit spring, in use bar structure, the outer spacing hole slot structure of using when spacing.
6. the bevel for welding of irregular cut deal large scale structure according to claim 1 entirety milling equipment, it is characterized in that: described horizontal tracing assembly is artificial usage track assembly, operator observes the situation that overlaps of milling cutter (10) center and bevel for welding center line, if discovery deviation, the screw rod of the traversing bolt and nut pair (13) described in manual adjustment, by the nut of described traversing bolt and nut pair (13), direct mobile milling cutter (10) is rectified a deviation.
7. the bevel for welding of irregular cut deal large scale structure according to claim 1 entirety milling equipment, it is characterized in that: described horizontal tracing assembly is machine operation trace component, comprise and be arranged on the anterior ccd video camera (25) of milling cutter (10), computer picture recognition system, control system and servomotor, the output of described servomotor connects the screw rod of described traversing bolt and nut pair (13), described ccd video camera (25) and computer picture recognition system, automatically detect in real time the deviation of milling cutter (10) with respect to bevel for welding center line, drive servomotor automatically to regulate the lateral attitude of milling cutter (10) to carry out real-time deviation correcting by control system again.
8. the bevel for welding of irregular cut deal large scale structure according to claim 1 entirety milling equipment, is characterized in that: what described tank body positioner and gantry mechanism were all selected is industrial general product.
9. the bevel for welding of irregular cut deal large scale structure according to claim 1 entirety milling equipment, it is characterized in that: described bevel for welding entirety milling equipment is also provided with fixture that can 90 ° of commutations, described fixture comprises crossbeam (16) and two groups of column agencies, described column agency is by gantry seat-box (21), walking gear (22), tooth bar (23) and I-shaped guide rail (24) composition, described walking gear (22) is arranged on described gantry seat-box (21) below, described tooth bar (23) is arranged on described I-shaped guide rail (24) one sides, described two gantry seat-boxs (21) support whole fixture on I-shaped guide rail (24) by the road wheel of seat-box bottom, one end of described bevel for welding entirety milling equipment is fixedly mounted under described crossbeam (16) by 90 ° of described commutation assemblies, and the other end is connected with milling cutter box body (4) with unsteady assembly (15), elevated height assembly (19) by free-extension Universal linking lever (8).
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| CN201410310700.0A CN104028817B (en) | 2014-07-02 | 2014-07-02 | A kind of bevel for welding entirety milling equipment of irregular cut deal large scale structure |
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| CN111001863A (en) * | 2019-12-24 | 2020-04-14 | 浦江吉树机械科技有限公司 | Fixed metal block milling device |
| CN113059222A (en) * | 2021-04-01 | 2021-07-02 | 黎发旺 | Automobile parts production facility |
| CN113370235A (en) * | 2021-07-07 | 2021-09-10 | 南京工程学院 | Automatic milling device for weld reinforcement, path generation method and using method |
| CN113941729A (en) * | 2021-11-05 | 2022-01-18 | 济南泰成科技有限公司 | Floating type grooving machine |
| CN113941729B (en) * | 2021-11-05 | 2022-07-26 | 济南泰成科技有限公司 | Floating groove cutting machine |
| CN115255594A (en) * | 2022-08-16 | 2022-11-01 | 中国科学院合肥物质科学研究院 | Tool and welding method for electron beam sectional welding of first wall of water-cooled ceramic cladding |
| CN115255594B (en) * | 2022-08-16 | 2023-09-08 | 中国科学院合肥物质科学研究院 | Tool and welding method for electron beam sectional welding of water-cooled ceramic cladding first wall |
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