CN104384804A - Impeller blade and impeller upper plate laser welding method and clamping method and jig - Google Patents
Impeller blade and impeller upper plate laser welding method and clamping method and jig Download PDFInfo
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- CN104384804A CN104384804A CN201410663764.9A CN201410663764A CN104384804A CN 104384804 A CN104384804 A CN 104384804A CN 201410663764 A CN201410663764 A CN 201410663764A CN 104384804 A CN104384804 A CN 104384804A
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- impeller
- upper plate
- impeller blade
- assembly
- blade
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/001—Turbines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention is applicable to the field of impeller laser welding and discloses an impeller blade and impeller upper plate laser welding jig, an impeller blade and impeller upper plate clamping method with the jig and an impeller blade and impeller upper plate laser welding method through the clamping method. The impeller blade and impeller upper plate laser welding jig comprises a base assembly, a support assembly mounted on the base assembly for placing and positioning an impeller blade and an impeller upper plate, a pressing plate assembly arranged above the support assembly for pressing the impeller blade and the impeller upper plate to the support assembly, a first telescoping assembly mounted on the base assembly for pressing the pressing plate assembly in the axial direction of the base assembly, a plurality of peripheral pressing structures mounted on the base assembly, and a plurality of lateral positioning structures mounted on the base assembly. The impeller blade and impeller upper plate laser welding jig, the impeller blade and impeller upper plate clamping method with the jig and the impeller blade and impeller upper plate laser welding method through the clamping method solve the technical problems of poor versatility, clamping difficulty and low clamping efficiency, clamping positioning reliability and automation degree of existing impeller laser welding jigs.
Description
Technical field
The invention belongs to impeller laser welding technology field, particularly relate to the fixture of impeller blade and impeller upper plate laser weld and adopt the clamping method of this fixture clamping impeller blade and impeller upper plate, adopt the method for laser welding of this clamping method clamping impeller blade and impeller upper plate.
Background technology
Impeller is the important spare part of pump, and its size and precision directly have influence on the mechanical property of pump, operating efficiency and service life.Impeller mainly contains two kinds of versions: unshrouded impeller and double shrouded wheel.Double shrouded wheel because it has high efficiency feature, therefore is widely used on the high centrifugal pump of lift, efficiency.The blade of centrifugal pump impeller has column type and two kinds, spatial warping type, centrifugal pump impeller adopts spatial warping type blade not only can reduce the load of blade, and the intake performance of centrifugal pump can be improved and improve the anti-cavitation ability of centrifugal pump, therefore, blade is that the double shrouded wheel of spatial warping type is applied very extensive in centrifugal pump.
Double shrouded wheel is made up of impeller upper plate, impeller lower plate and blade three part, in traditional handicraft, double shrouded wheel-as adopt smart type casting moulding, its manufacturing cost is higher, production efficiency is low, and the less double shrouded wheel of some delivery port sizes is difficult to casting.
The technical problem of double shrouded wheel existence is manufactured for solving traditional handicraft, prior art proposes and adopts through sawing sheet, punching press, the method stretched and then pass through to weld is impeller upper plate, impeller lower plate and blade integrally welded and form the technical scheme of a complete double shrouded wheel, which solve the difficult problem not realizing the little double shrouded wheel manufacture of delivery port size because of casting technique problem, and be all better than casting impeller (adopting the impeller that casting technique is made) due to the geometric accuracy of welding impeller (adopt welding procedure make impeller) and surface smoothness, therefore the application of welding impeller is conducive to the efficiency improving centrifugal pump.At present, weld impeller to be widely used in the chemical industry special centrifugal pump be made up of the metal material that casting character is poor.
Impeller welding method comprises conventional impellers welding method and method for laser welding, conventional impellers welding method roughly comprises argon arc welding, electric resistance welding and capacitor discharge welding three kinds of welding methods, when adopting traditional welding method welding to have an impeller of spatial warping type blade, its welding difficulty is larger, and in welding process, easily there is dislocation, deformation, the problem such as weld seam is coarse, internal stress is large, thus have impact on the smoothness of fluid through blade, and then reduce the service life of impeller and the efficiency of centrifugal pump.And due to method for laser welding have heat-affected zone little, without the need to filling metal material, belong to contactless welding, by space constraint affect little, be easy to computerized control features such as carrying out high-speed welding, therefore, adopt that relative to employing traditional welding method welding impeller, method for laser welding welding impeller has that welding quality is good, fusion penetration is large, firm welding, heat input are low, workpiece deformation is little, welding efficiency is high, be convenient to realize the advantages such as automated production, and method for laser welding is suitable for welding the impeller with spatial warping type blade.Particularly, when adopting method for laser welding welding impeller, control accurately to specify welding track by computer, thus the accurate welding of blade space position can be realized.
But, existing impeller method for laser welding still Shortcomings part in a particular application, be embodied in: the fixture 1) adopted in existing impeller method for laser welding is mostly manual, and its poor universality, not easily clamping, handling and whole spent time are longer, thus reduce the manufacture efficiency of impeller; 2) the clamping position Reliability comparotive of the fixture adopted in existing impeller method for laser welding is low, thus make that the impeller deformation of welding out is comparatively large, the integrally-built balance conformality of impeller is poor, impeller beat greatly, impeller coaxiality deviation is maximum reaches 1 ~ 2mm by size, and then make the repair rate of impeller and percent defective all very high, like this, substantially increase the manufacturing cost of impeller on the one hand, not only waste raw material, but also waste time and energy; On the other hand due to the impeller generation local deformation after welding, therefore, the impeller after having welded not easily is taken out from fixture.
Summary of the invention
The object of the present invention is to provide the fixture of impeller blade and impeller upper plate laser weld and adopted the clamping method of this fixture clamping impeller blade and impeller upper plate, adopt the method for laser welding of this clamping method clamping impeller blade and impeller upper plate, it is intended to solve existing impeller fixture for laser welding poor universality, not easily clamping, clamping efficiency is low, clamping position reliability is low, automaticity is low technical problem.
For achieving the above object, the technical solution used in the present invention is: the fixture of impeller blade and impeller upper plate laser weld, comprise base assembly, be installed on the supporting component for impeller blade and impeller upper plate placement positioning on described base assembly, be located at above described supporting component for by described impeller blade and described impeller upper plate along the platen assembly of described base assembly axial compression on described supporting component, be installed on described base assembly for the first telescopic component along platen assembly described in described base assembly axial compression, several to be installed on described base assembly and to be along the circumferential direction distributed in the circumferential compressing structure for the described platen assembly rotation displacement of restriction outside described platen assembly, several to be installed on described base assembly and to be along the circumferential direction distributed in outside described platen assembly for the lateral register structure described impeller blade and described impeller upper plate are pressed in outside described impeller blade on described supporting component.
Particularly, described first telescopic component comprises the first fixed component, the first expansion link and latch assembly, described first fixed component is fastenedly connected on described base assembly, one end of described first expansion link is flexibly connected described first fixed component, the other end upwards extends along the central axis direction of described base assembly, described platen assembly is sheathed on described first expansion link, and described latch assembly is fastenedly connected the end away from described first fixed component of described first expansion link and presses on described platen assembly.
Particularly, described circumferential compressing structure comprises being located at the second expansion link above described platen assembly and being installed on and described base assembly can drive described second expansion link to rotate and the cylinder of telescopic moving up and down.
Particularly, described base assembly comprises base and is sheathed on the chassis on base, base is convexly equipped with installation base, described base plate cover is located at described installation base outer ring, first fixed component of the first telescopic component is installed on the center position of described base, described first expansion link upwards extends along the central axis direction of described base, described supporting component is installed on the top of base and is sheathed on outside described first expansion link, each described circumferential compressing structure and lateral register structure along the circumferential direction distributing installation on described chassis.Particularly, described lateral register structure comprises the lateral register plate be supported on described supporting component and the 3rd telescopic component be installed on for the telescopic moving of driving described lateral register plate on described base assembly.
Particularly, described 3rd telescopic component comprises and is installed on the 3rd fixed component on described base assembly and one end and is flexibly connected the 3rd expansion link that described 3rd fixed component, the other end tilt to extend inside described base assembly, and described lateral register plate is installed on the end away from described 3rd fixed component of described 3rd expansion link.
Preferably, the direction that described 3rd expansion link edge and the angle of described base assembly radial direction are 45 ° tilts to extend.
Particularly, described platen assembly comprises platen and is fastenedly connected the upper cover plate bottom described platen, and the bottom of described upper cover plate is provided with the location division of locating with described impeller upper plate.
The fixture of impeller blade provided by the invention and impeller upper plate laser weld, carries out support impeller blade and impeller upper plate by supporting component, and carries out inner side radial location along base assembly radial direction from inner side to impeller blade and impeller upper plate; Outside impeller blade, outer radial location is carried out to impeller blade and impeller upper plate by lateral register structure, and impeller blade moving displacement along the circumferential direction can be limited, like this, by the acting in conjunction of supporting component and lateral register structure, what effectively can limit impeller blade and impeller working moves radially displacement and the mobile moving displacement of circumference.Simultaneously, impeller upper plate and impeller blade are pressed on supporting component by platen assembly along the axial of base assembly by it, and limit the displacement that platen assembly moves up, the circumference swing offset being limited platen assembly by circumferential compressing structure especially by the first telescopic component, thus ensure that platen assembly compresses the reliability of impeller upper plate and impeller blade, and then ensure that reliability of positioning and the accuracy of impeller blade and impeller upper plate, ensure that the quality of impeller blade and impeller upper plate laser weld.Further, because the first telescopic component, lateral register structure, circumferential compressing structure all can adopt automated control operation, therefore, be beneficial to the clamping difficulty reducing impeller blade and impeller upper plate, and be beneficial to the clamping efficiency improving impeller blade and impeller upper plate and the automaticity improving impeller blade and impeller upper plate clamping.And due to the specification by changing supporting component and the specification changing section components in platen assembly, fixture of the present invention can be made to can be used for clamping impeller blade and the impeller upper plate of multiple different size, therefore, it improves the versatility of fixture dramatically, and is beneficial to the clamping efficiency improving impeller blade and impeller upper plate further.
Further, present invention also offers the clamping method of impeller blade and impeller upper plate laser weld, it comprises the steps:
Impeller blade is positioned on described supporting component, and makes impeller blade described in each along the circumferential direction described in adjacent two between lateral register structure;
Impeller upper plate is pressed on described impeller blade;
Platen assembly is pressed on described impeller upper plate, and described platen assembly is lock onto on described first telescopic component;
Start described first telescopic component to be pressed on described impeller upper plate by described platen assembly;
Start each described circumferential compressing structure to compress to carry out circumference to described platen assembly;
Start each described lateral register structure with from impeller blade described in lateral register.
The clamping method of impeller blade provided by the invention and impeller upper plate laser weld, owing to have employed above-mentioned fixture, therefore, reduce the clamping difficulty of impeller blade and impeller upper plate, improve the clamping efficiency of impeller blade and impeller upper plate, improve the clamping automaticity of impeller blade and impeller upper plate, and improve the Set and Positioning reliability of impeller blade and impeller upper plate.
Further, present invention also offers the method for laser welding of impeller blade and impeller upper plate, it comprises clamping step and laser soldering process, and in described clamping step, impeller blade and impeller upper plate adopt the clamping method of above-mentioned impeller blade and impeller upper plate laser weld to carry out Set and Positioning; In described laser soldering process, laser welding apparatus adopts interval welding manner to carry out welding described impeller blade and described impeller upper plate.
The method for laser welding of impeller blade provided by the invention and impeller upper plate, owing to have employed above-mentioned clamping method clamping impeller blade and impeller upper plate, therefore, improve the clamping efficiency of impeller blade and impeller upper plate, and improve the Set and Positioning reliability of impeller blade and impeller upper plate, thus improve laser weld efficiency and the Laser Welding Quality of impeller blade and impeller upper plate.
Accompanying drawing explanation
Fig. 1 is the perspective view that the impeller blade that provides of the embodiment of the present invention and impeller upper plate are clamped on fixture;
Fig. 2 is the cross-sectional view that the impeller blade that provides of the embodiment of the present invention and impeller upper plate are clamped on fixture;
Fig. 3 is the schematic flow sheet of the method for laser welding of the impeller blade that provides of the embodiment of the present invention and impeller upper plate.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As depicted in figs. 1 and 2, the fixture of the impeller blade that the embodiment of the present invention provides and impeller upper plate laser weld, comprise base assembly 1, be installed on base assembly 1 for the supporting component 2 of impeller blade 7 with impeller upper plate 8 placement positioning, be located at above supporting component 2 for by impeller blade 7 and impeller upper plate 8 along the platen assembly 3 of base assembly 1 axial compression on supporting component 2, be installed on base assembly 1 for the first telescopic component 4 along base assembly 1 axial compression platen assembly 3, several to be installed on base assembly 1 and to be along the circumferential direction distributed in the circumferential compressing structure 5 for restriction platen assembly 3 rotation displacement outside platen assembly 3, several to be installed on base assembly 1 and to be along the circumferential direction distributed in outside platen assembly 3 for the lateral register structure 6 impeller blade 7 and impeller upper plate 8 are pressed in outside impeller blade 7 on supporting component 2.The fixture of the impeller blade that the embodiment of the present invention provides and impeller upper plate laser weld, carries out support impeller blade 7 and impeller upper plate 8 by supporting component 2, and carries out inner side radial location along base assembly 1 radial direction from inner side to impeller blade 7 and impeller upper plate 8; Outside impeller blade 7, outer radial location is carried out to impeller blade 7 and impeller upper plate 8 by lateral register structure 6, and impeller blade 7 moving displacement along the circumferential direction can be limited, like this, by the acting in conjunction of supporting component 2 and lateral register structure 6, what effectively can limit impeller blade 7 and impeller upper plate 8 moves radially displacement and the mobile moving displacement of circumference.Simultaneously, impeller upper plate 8 and impeller blade 7 are pressed on supporting component 2 by platen assembly 3 along the axial of base assembly 1 by it, and limit the displacement that platen assembly 3 moves up, the circumference swing offset being limited platen assembly 3 by circumferential compressing structure 5 especially by the first telescopic component 4, thus ensure that platen assembly 3 compresses the reliability of impeller upper plate 8 and impeller blade 7, and then ensure that reliability of positioning and the accuracy of impeller blade 7 and impeller upper plate 8, ensure that the quality of impeller blade 7 and impeller upper plate 8 laser weld.Further, because the first telescopic component 4, lateral register structure 6, circumferential compressing structure 5 all can adopt automated control operation, therefore, be beneficial to the clamping difficulty of reduction impeller blade 7 and impeller upper plate 8, and be beneficial to the clamping efficiency improving impeller blade 7 and impeller upper plate 8 and the automaticity improving impeller blade 7 and impeller upper plate 8 clamping.And due to the specification by changing supporting component 2 and the specification changing section components in platen assembly 3, fixture of the present invention can be made to can be used for clamping impeller blade 7 and the impeller upper plate 8 of multiple different size, therefore, it improves the versatility of fixture dramatically, and is beneficial to the clamping efficiency improving impeller blade 7 and impeller upper plate 8 further.
Particularly, as depicted in figs. 1 and 2, first telescopic component 4 comprises the first fixed component 41, first expansion link 42 and latch assembly 43, first fixed component 41 is fastenedly connected on base assembly 1, one end of first expansion link 42 is flexibly connected the first fixed component 41, the other end upwards extends along the central axis direction of base assembly 1, platen assembly 3 is sheathed on the first expansion link 42, and latch assembly 43 is fastenedly connected the end away from the first fixed component 41 of the first expansion link 42 and presses on platen assembly 3.In concrete clamping process, move towards the direction retracted downward near the first fixed component 41 by driving the first expansion link 42, the first expansion link 42 can be made to drive latch assembly 43 to move down and make latch assembly 43 along the axial compression platen assembly 3 of the first expansion link 42, thus platen assembly 3 can be made along the axial compression impeller blade 7 of the first expansion link 42 and impeller upper plate 8; And in unloading process, movement is stretched upwards towards the direction away from the first fixed component 41 by driving the first expansion link 42, the first expansion link 42 can be made to drive latch assembly 43 to move up and latch assembly 43 is departed to compress platen assembly 3, thus be beneficial to latch assembly 43 and platen assembly 3 are disassembled from the first expansion link 42, and then impeller blade 7 complete for welding can be taken out with impeller upper plate 8.
Particularly, as depicted in figs. 1 and 2, the chassis 12 that base assembly 1 comprises base 11 and is sheathed on base 11, base 11 is convexly equipped with installation base 111, chassis 12 is sheathed on installation base 111 outer ring, first fixed component 41 of the first telescopic component 4 is installed on the center position of base 11, first expansion link 42 upwards extends along the central axis direction of base 11, supporting component 2 is installed on the top of base 11 and is sheathed on outside the first expansion link 42, each circumferential compressing structure 5 and lateral register structure 6 along the circumferential direction distributing installation on chassis 12.Base 11 has hollow cavity, be provided with in hollow cavity and be laterally provided with installing plate 112, the center position of installing plate 112 runs through and is provided with the first perforation (figure do not indicate), first fixed component 41 is installed on the bottom of installing plate 112 by screw fastening, first expansion link 42 is through the first perforation and upwards extend, and supporting component 2 to be placed on the first expansion link 42 and to be supported on installing plate 112.
Particularly, as depicted in figs. 1 and 2, latch assembly 43 comprises the gland 431 be sheathed on the first expansion link 42 and the locking nut 432 being threadedly connected to the first expansion link 42 end.Owing to being threaded easy accessibility and there is self-locking action, therefore being beneficial to and ensureing the installation effectiveness of latch assembly 43 on the first expansion link 42 and fastening reliability is installed.
Particularly, as depicted in figs. 1 and 2, the upper cover plate 32 that platen assembly 3 comprises platen 31 and is fastenedly connected bottom platen 31, the bottom of upper cover plate 32 is provided with the location division (scheming not indicate) of locating with impeller upper plate 8.Impeller upper plate 8 is provided with positioning spigot (figure does not indicate), and location division corresponds to the first positioning boss be convexly equipped in bottom upper cover plate 32.In concrete clamping process, first platen 31 and upper cover plate 32 can be assembled into platen assembly 3, then platen assembly 3 entirety be placed on the first expansion link 42 and upper cover plate 32 is pressed on impeller upper plate 8.The setting of location division, can play guide-localization effect to the installation of platen assembly 3 on the one hand, thus is beneficial to the installation effectiveness of raising platen assembly 3 and the accuracy of platen assembly 3 installation site; The reliability that platen assembly 3 pairs of impeller upper plates 8 are located can be improved on the other hand.The present embodiment, is divided into platen 31 by platen assembly 3 and upper cover plate 32 two parts design respectively and process, and is beneficial to the difficulty of processing and process that simplify platen assembly 3.Upper cover plate 32 is specifically installed on the bottom of platen 31 by screw connecting mode.
More specifically, as depicted in figs. 1 and 2, the center of platen 31 is run through and is provided with the second perforation 311, the center position of upper cover plate 32 runs through and is provided with the 3rd perforation (figure do not indicate), second perforation 311 and the 3rd perforation can wear in the inner for the first expansion link 42, gland 431 and locking nut 432, thus can dodge the telescopic moving of the first expansion link 42.
Particularly, first telescopic component 4 can be the combination etc. of cylinder or hydraulic cylinder or electric cylinder or screw rod transmission structure and motor, preferably, in the present embodiment, first telescopic component 4 is cylinder, first fixed component 41 is the cylinder body of cylinder, and the first expansion link 42 is the expansion link of cylinder, and the telescopic moving of the first expansion link 42 is driven by air-channel system (figure does not indicate).
Particularly, as depicted in figs. 1 and 2, circumferential compressing structure 5 comprises the second expansion link 51 of being located at above platen assembly 3 and is installed on and base assembly 1 can drive the second expansion link 51 to rotate and the cylinder 52 of telescopic moving up and down.In concrete clamping process, drive the second expansion link 51 first to rotate towards platen 31 by cylinder 52, arrive that assigned address is backward to be moved down dynamic pressure and press dish 31; And in unloading process, drive the second expansion link 51 to move up by cylinder 52 and depart from platen 31, and then rotate to initial point, thus the circumference can unclamping the second expansion link 51 pairs of platen assemblies 3 compresses.
Preferably, as depicted in figs. 1 and 2, circumferential compressing structure 5 is provided with six, and six circumferential compressing structures 5 are along the circumferential direction spacedly distributed on chassis 12.Like this, platen assembly 3 is locked spacing by first telescopic component 4 and six circumferential compressing structures 5 jointly, ensure that the reliability that platen assembly 3 is spacing, and then ensure that the accuracy of impeller blade 7 and impeller upper plate 8 clamping and positioning and solid and reliable property, guarantee that the clamping position of impeller blade 7 and impeller upper plate 8 has been required to meet the pinpoint requirement of laser weld.Of course, in embody rule, the magnitude setting of circumferential compressing structure 5 also can be other numerical value.
Particularly, as depicted in figs. 1 and 2, lateral register structure 6 comprises and is supported in lateral register plate on supporting component 2 61 and is installed on base assembly 1 for three telescopic component 62 of driving side to location-plate 61 telescopic moving.In concrete clamping process, by driving the 3rd telescopic component 62 to make lateral register plate 61 compress impeller blade 7 from side direction, thus realize the radial location to impeller blade 7 and impeller upper plate 8 by lateral register plate 61 and the common position-limiting action of supporting component 2; And in unloading process, by driving the 3rd telescopic component 62, lateral register plate 61 is departed from and compress impeller blade 7, and then the radial location of lateral register plate 61 pairs of impeller blades 7 and impeller upper plate 8 can be unclamped.
Particularly, as depicted in figs. 1 and 2,3rd telescopic component 62 comprises and is installed on the 3rd fixed component 621 on base assembly 1 and one end and is flexibly connected the 3rd expansion link 622 that the 3rd fixed component 621, the other end tilt to extend inside base assembly 1, and lateral register plate 61 is installed on the end away from the 3rd fixed component 621 of the 3rd expansion link 622.In concrete clamping process, stretch mobile by driving the 3rd expansion link 622 towards the direction away from the 3rd fixed component 621, the 3rd expansion link 622 can be made to drive lateral register plate 61 to be pressed in supporting component 2 from the outside of base assembly 1 by impeller blade 7, thus achieve the lateral register of lateral register plate 61 pairs of impeller blades 7, and then achieve the radial location to impeller blade 7 by lateral register plate 61 and the acting in conjunction of supporting component 2; And in unloading process, by driving the 3rd expansion link 622 mobile towards shrinking near the direction of the 3rd fixed component 621, the 3rd expansion link 622 can be made to drive lateral register plate 61 to move towards the direction disengaging impeller blade 7, thus unclamped the lateral register of lateral register plate 61 pairs of impeller blades 7.The present embodiment, lateral register plate 61 controls location by the 3rd expansion link 622, the position control of lateral register plate 61 can be made more flexible, bring convenience to the handling of impeller blade 7 and impeller upper plate 8, thus be beneficial to the handling difficulty reducing impeller blade 7 and impeller upper plate 8 and the efficiency of loading and unloading improving impeller blade 7 and impeller upper plate 8.Simultaneously, the inclination of the 3rd expansion link 622 is extended, the 3rd expansion link 622 can be made in a certain angle with the radial direction of base assembly 1, thus make the 3rd expansion link 622 be along with the radial direction tilt telescopic in a certain angle of base assembly 1, and the phenomenon preventing lateral register plate 61 pairs of impeller blades 7 and impeller upper plate 8 when being taken out with impeller upper plate 8 by the impeller blade 7 welded to produce interference occurs, namely avoid the phenomenon causing impeller blade 7 and impeller upper plate 8 not easily to take out due to impeller blade 7 and impeller upper plate 8 welding deformation to occur, ensure that the smoothness that the impeller blade after having welded 7 and impeller upper plate 8 take out.
Preferably, the 3rd expansion link 622 tilts to extend along the direction that the angle with base assembly 1 radial direction is 45 °.The present embodiment, is set to 45 ° by the 3rd expansion link 622 with the angle of base assembly 1 radial direction, and the impeller blade after having welded 7 and impeller upper plate 8 can be made to be easier to take out from fixture.
Particularly, the planform of lateral register plate 61 is according to the form fit optimal design of impeller blade 7, like this, the location accuracy improving lateral register plate 61 pairs of impeller blades 7 can be beneficial on the one hand, the smoothness improving impeller blade 7 and take out with impeller upper plate 8 can be beneficial on the other hand.
Particularly, 3rd telescopic component 62 can be the combination etc. of cylinder or hydraulic cylinder or electric cylinder or screw rod transmission structure and motor, preferably, in the present embodiment, the 3rd telescopic component 62 is cylinder, and the 3rd fixed component 621 is the cylinder body of cylinder, 3rd expansion link 622 is the expansion link of cylinder, the telescopic moving of the 3rd expansion link 622 is driven by air-channel system, and the 3rd telescopic component 62 specifically can be controlled by three-position valve, and can the extension elongation of manual adjustments the 3rd expansion link 622 under airproof situation.
Preferably, as depicted in figs. 1 and 2, the present embodiment, lateral register structure 6 is also provided with six, and six lateral register structures 6 are along the circumferential direction arranged on chassis 12 near six circumferential compressing structures 5 respectively, wherein, two lateral register plates 61 are provided with second positioning boss (scheme do not indicate) corresponding with positioning spigot position on impeller upper plate 8, like this, the accuracy of impeller upper plate 8 and impeller blade 7 installation site can be ensured and ensure the accuracy of welding position.
Particularly, as depicted in figs. 1 and 2, supporting component 2 comprises lower shoe 21 and blade supporting plate 22, after lower shoe 21 and blade supporting plate 22 are specifically fastenedly connected become supporting component 2 by screw or rivet or buckle, then by supporting component 2 integral installation on base 11.Lateral register plate 61 is specifically supported on lower shoe 21.
Particularly, base 11, chassis 12, platen 31, first telescopic component 4, cylinder 52, second expansion link 51, 3rd telescopic component 62, lateral register plate 61 is the common segment of fixture, blade supporting plate 22, lower shoe 21 and upper cover plate 32 are the private part of fixture, common segment can meet the clamping demand of plurality of specifications impeller blade 7 and impeller upper plate 8 without the need to changing, and private part at replacing different size impeller blade 7 and need carry out corresponding replacing when impeller upper plate 8, namely each parts of private part carry out corresponding replacing according to different size impeller blade 7 with impeller upper plate 8.In concrete production, when changing the specification of impeller blade 7 and impeller upper plate 8, only need change blade supporting plate 22, lower shoe 21 and upper cover plate 32, it is few that it changes parts, be beneficial to the versatility improving furniture, and be beneficial to the time reducing and change specification in impeller blade 7 and impeller upper plate 8 welding production, and then be beneficial to the welding production efficiency improving impeller blade 7 and impeller upper plate 8.
Further, as shown in Figure 3, the embodiment of the present invention additionally provides the clamping method of impeller blade and impeller upper plate laser weld, and it comprises the steps:
Impeller blade 7 is positioned on supporting component 2, and makes each impeller blade 7 along the circumferential direction between adjacent two side direction location structures 6; Before clamping impeller blade 7 with impeller upper plate 8, supporting component 2, lateral register structure 6 and circumferential compressing structure 5 are installed on base assembly 1 in advance;
Impeller upper plate 8 is pressed on impeller blade 7;
Platen assembly 3 is pressed on impeller upper plate 8, and is fastenedly connected platen assembly 3 and the first telescopic component 4;
Start the first telescopic component 4 to be pressed on impeller upper plate 8 by platen assembly 3;
Start each circumferential compressing structure 5 to compress to carry out circumference to platen assembly 3;
Start each lateral register structure 6 with from lateral register impeller blade 7.
The clamping method of the impeller blade that the embodiment of the present invention provides and impeller upper plate laser weld, owing to have employed above-mentioned fixture, therefore, reduce the clamping difficulty of impeller blade 7 and impeller upper plate 8, improve the clamping efficiency of impeller blade 7 and impeller upper plate 8, improve the clamping automaticity of impeller blade 7 and impeller upper plate 8, and improve the Set and Positioning reliability of impeller blade 7 and impeller upper plate 8.
Further, as shown in Figure 3, the embodiment of the present invention additionally provides the method for laser welding of impeller blade and impeller upper plate, it comprises clamping step S1 and laser soldering process S2, in clamping step S1, impeller blade 7 and impeller upper plate 8 adopt the clamping method of above-mentioned impeller blade and impeller upper plate laser weld to carry out Set and Positioning; In laser soldering process S2, laser welding apparatus adopts welding manner to carry out welding impeller blade 7 and impeller upper plate 8.The method for laser welding of the impeller blade that the embodiment of the present invention provides and impeller upper plate, on the one hand owing to have employed above-mentioned clamping method clamping impeller blade and impeller upper plate, therefore, improve the clamping efficiency of impeller blade 7 and impeller upper plate 8, and improve the Set and Positioning reliability of impeller blade 7 and impeller upper plate 8, thus improve laser weld efficiency and the Laser Welding Quality of impeller blade 7 and impeller upper plate 8; On the other hand owing to adopting interval welding procedure, therefore decrease the metaboly of laser weld.
Particularly, as shown in Figure 3, the impeller blade 7 of same specification comprises following operation with the laser weld production cycle of impeller upper plate 8:
Dress impeller blade operation S11, by each impeller blade 7 placement positioning on supporting component 2, and makes each impeller blade 7 between two adjacent lateral register plates 61;
Dress impeller upper plate operation S12, impeller upper plate 8 is positioned on impeller blade 7, and the second positioning boss position on the positioning spigot on impeller upper plate 8 and lateral register plate 61 is oppositely arranged, like this, the convenience that impeller upper plate 8 assembles can be improved, and unique certainty of impeller upper plate 8 clamping clamping position can be ensured, and then be beneficial to the accuracy ensureing laser weld position;
Dress platen assembly operation S13, the platen assembly 3 connected to form by upper cover plate 32 and platen 31 is pressed on impeller upper plate 8, and the first positioning boss on upper cover plate 32 and the positioning spigot on impeller upper plate 8 are oppositely arranged, like this, the accuracy ensureing platen assembly 3 clamping position and the accuracy ensureing impeller upper plate 8 and impeller blade 7 Set and Positioning is beneficial to;
Dress latch assembly operation S14, is placed on gland 431 on first expansion link 42 (under original state, the first expansion link 42 stretches out above platen assembly 3), and screws locking nut 432, ensure each element coaxial;
Locking operation S15, ventilate to respectively the first telescopic component 4, cylinder 52 and the 3rd latch assembly 43 and start the action respectively of the first telescopic component 4, cylinder 52 and the 3rd latch assembly 43, compress platen assembly 3 to make latch assembly 43 respectively, make the second expansion link 51 Peripheric locking platen 31, make lateral register plate 61 lateral register impeller blade 7, thus impeller locking blade 7 and impeller upper plate 8;
Welding sequence S21, adopts interval welding procedure to start to weld impeller blade 7 and impeller upper plate 8;
Reset operation S3, after having welded, makes the first telescopic component 4, cylinder 52 and the 3rd latch assembly 43 reset respectively, thus unclamps impeller blade 7 and impeller upper plate 8;
Dismounting operation S4, unclamps locking nut 432, takes out gland 431 and platen assembly 3 successively, finally takes out the impeller blade 7 and impeller upper plate 8 that have welded, and enters next cycling.
The impeller blade 7 of same specification is produced with the laser weld in enormous quantities of impeller upper plate 8 and is carried out cycling with the above-mentioned cycle, and when changing the specification of impeller blade 7 and impeller upper plate 8, only need after the dismounting operation S4 of the impeller blade 7 and impeller upper plate 8 that complete last specification, change blade supporting plate 22, lower shoe 21 and upper cover plate 32, its operating process is very simple, what shorten impeller blade 7 and impeller upper plate 8 dramatically changes the specification time, and then is beneficial to the laser weld efficiency improving impeller blade 7 and impeller upper plate 8.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the fixture of impeller blade and impeller upper plate laser weld, it is characterized in that: comprise base assembly, be installed on the supporting component for impeller blade and impeller upper plate placement positioning on described base assembly, be located at above described supporting component for by described impeller blade and described impeller upper plate along the platen assembly of described base assembly axial compression on described supporting component, be installed on described base assembly for the first telescopic component along platen assembly described in described base assembly axial compression, several to be installed on described base assembly and to be along the circumferential direction distributed in the circumferential compressing structure for the described platen assembly rotation displacement of restriction outside described platen assembly, several to be installed on described base assembly and to be along the circumferential direction distributed in outside described platen assembly for the lateral register structure described impeller blade and described impeller upper plate are pressed in outside described impeller blade on described supporting component.
2. the fixture of impeller blade as claimed in claim 1 and impeller upper plate laser weld, it is characterized in that: described first telescopic component comprises the first fixed component, first expansion link and latch assembly, described first fixed component is fastenedly connected on described base assembly, one end of described first expansion link is flexibly connected described first fixed component, the other end upwards extends along the central axis direction of described base assembly, described platen assembly is sheathed on described first expansion link, described latch assembly is fastenedly connected the end away from described first fixed component of described first expansion link and presses on described platen assembly.
3. impeller blade as claimed in claim 1 or 2 and the fixture of impeller upper plate laser weld, is characterized in that: described circumferential compressing structure comprises the second expansion link of being located at above described platen assembly and is installed on and described base assembly can drive described second expansion link to rotate and the cylinder of upper and lower telescopic moving.
4. the fixture of impeller blade as claimed in claim 2 and impeller upper plate laser weld, it is characterized in that: described base assembly comprises base and is sheathed on the chassis on base, base is convexly equipped with installation base, described base plate cover is located at described installation base outer ring, first fixed component of the first telescopic component is installed on the center position of described base, described first expansion link upwards extends along the central axis direction of described base, described supporting component is installed on the top of base and is sheathed on outside described first expansion link, each described circumferential compressing structure and lateral register structure along the circumferential direction distributing installation on described chassis.
5. the fixture of impeller blade as claimed in claim 1 or 2 and impeller upper plate laser weld, is characterized in that: described lateral register structure comprises the lateral register plate be supported on described supporting component and the 3rd telescopic component be installed on for the telescopic moving of driving described lateral register plate on described base assembly.
6. the fixture of impeller blade as claimed in claim 5 and impeller upper plate laser weld, it is characterized in that: described 3rd telescopic component comprises and is installed on the 3rd fixed component on described base assembly and one end and is flexibly connected the 3rd expansion link that described 3rd fixed component, the other end tilt to extend inside described base assembly, and described lateral register plate is installed on the end away from described 3rd fixed component of described 3rd expansion link.
7. the fixture of impeller blade as claimed in claim 4 and impeller upper plate laser weld, is characterized in that: the direction that described 3rd expansion link edge and the angle of described base assembly radial direction are 45 ° tilts to extend.
8. the fixture of impeller blade as claimed in claim 1 or 2 and impeller upper plate laser weld, it is characterized in that: described platen assembly comprises platen and is fastenedly connected the upper cover plate bottom described platen, and the bottom of described upper cover plate is provided with the location division of locating with described impeller upper plate.
9. the clamping method of impeller blade and impeller upper plate laser weld, is characterized in that: comprise the steps:
Impeller blade is positioned on described supporting component, and makes impeller blade described in each along the circumferential direction described in adjacent two between lateral register structure;
Impeller upper plate is pressed on described impeller blade;
Platen assembly is pressed on described impeller upper plate, and described platen assembly is lock onto on described first telescopic component;
Start described first telescopic component to be pressed on described impeller upper plate by described platen assembly;
Start each described circumferential compressing structure to compress to carry out circumference to described platen assembly;
Start each described lateral register structure with from impeller blade described in lateral register.
10. the method for laser welding of impeller blade and impeller upper plate, comprise clamping step and laser soldering process, it is characterized in that: in described clamping step, impeller blade and impeller upper plate adopt the clamping method of impeller blade as claimed in claim 9 and impeller upper plate laser weld to carry out Set and Positioning; In described laser soldering process, laser welding apparatus adopts interval welding manner to carry out welding described impeller blade and described impeller upper plate.
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| CN201410663764.9A CN104384804B (en) | 2014-11-19 | 2014-11-19 | Impeller blade and impeller upper plate laser welding method and clamping method and jig |
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| CN105945488A (en) * | 2016-06-21 | 2016-09-21 | 安徽舜禹水务股份有限公司 | Water pump impeller welding fixture |
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| CN106181173A (en) * | 2016-08-04 | 2016-12-07 | 台州市路桥热火焊割设备有限公司 | A kind of electric fan weld jig positioner |
| CN106392414B (en) * | 2016-09-28 | 2018-02-13 | 哈尔滨建成集团有限公司 | A kind of band blade hollow round table welding tool setup |
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| CN109664060A (en) * | 2019-01-29 | 2019-04-23 | 江西中超泵业有限公司 | Auxiliary welding equipment is used in a kind of processing of water pump vane |
| CN110238587A (en) * | 2019-06-17 | 2019-09-17 | 东莞市锐嘉精密机械制造有限公司 | A kind of fan welding device |
| CN114102028A (en) * | 2021-12-25 | 2022-03-01 | 常州凯度机电有限公司 | Welding tool for steam turbine partition plate |
| CN114147360A (en) * | 2021-12-31 | 2022-03-08 | 武汉创恒世纪激光科技有限公司 | Automatic laser welding equipment of water pump impeller |
| CN114951894A (en) * | 2022-07-04 | 2022-08-30 | 北京航空航天大学宁波创新研究院 | Dipping brazing clamp |
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