CN117532162B - Automatic laser welding device for water pump impeller assembly - Google Patents
Automatic laser welding device for water pump impeller assembly Download PDFInfo
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- CN117532162B CN117532162B CN202410035641.4A CN202410035641A CN117532162B CN 117532162 B CN117532162 B CN 117532162B CN 202410035641 A CN202410035641 A CN 202410035641A CN 117532162 B CN117532162 B CN 117532162B
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- 238000003466 welding Methods 0.000 title claims abstract description 138
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 12
- 230000007306 turnover Effects 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 7
- 230000035515 penetration Effects 0.000 abstract description 3
- 239000000306 component Substances 0.000 description 21
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to a laser automatic welding device for a water pump impeller component, which comprises a machine base, wherein a tool component and a laser welding component are arranged on the machine base; the tool assembly comprises a mounting bottom plate capable of rotating, a cover plate arranged on the top surface of the mounting bottom plate and capable of overturning and linearly moving, and a blade and end cover positioning assembly arranged between the mounting bottom plate and the cover plate; the blade and end cover positioning assembly comprises a positioning assembly mounting plate, a head connecting plate, a positioning cylinder, a clamping jaw connecting plate, a tail connecting plate, a positioning clamping jaw and an end cover positioning core, and a blade profiling groove is formed in the positioning assembly mounting plate. The Z-shaped swing welding is realized by adopting a laser penetration welding process, namely welding from the direction of the end cover and driving by using the module and the rotary table on the welding track, and the welding track covers the width of the blade a, so that the welding strength is increased, and the welding quality and the welding yield are improved.
Description
Technical Field
The invention relates to the technical field of impeller welding, in particular to a laser automatic welding device for a water pump impeller assembly.
Background
The impeller assembly (shown in fig. 1) is a core component of the water pump and is a main influencing factor of the working efficiency. Under specific working conditions, the high-speed running water pump has high requirements on symmetry and consistency of impellers, if the welding of impeller components (blades and end covers) is not up to the standard, hydraulic loss and clearance loss can be generated at the inlet and the blades of the pump, and the service life of the water pump can be directly influenced under serious conditions. Therefore, accurate impeller assembly welding is a key for guaranteeing the power and the service life of a water pump, laser welding focuses laser beams with high power density output by a laser device, so that the laser beams have small light spots, concentrated energy, high density and high heating efficiency, and therefore, the impeller assembly is welded by the laser, and the laser welding has small post-welding deformation and high yield.
At present, most of domestic manufacturers use argon arc welding, so that an argon arc welding heat affected zone is large, and welding components are easy to deform; some manufacturers use laser welding devices, but the semi-automatic design is realized, the manual adjustment of the clamp is needed, the labor and time are wasted, and the production efficiency is affected.
Therefore, a laser automatic welding device for a water pump impeller assembly is provided to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the laser automatic welding device for the water pump impeller assembly, which has the characteristics of automatic positioning and welding functions, high welding efficiency, good welding quality, high stability and the like by adopting a welding mode of a laser and an automatic tool.
In order to achieve the above purpose, the present invention provides the following technical solutions: the automatic laser welding device for the water pump impeller component comprises a machine base, wherein a tool component and a laser welding component are arranged on the machine base;
the tool assembly comprises a mounting bottom plate capable of rotating, a cover plate arranged on the top surface of the mounting bottom plate and capable of overturning and linearly moving, and a blade and end cover positioning assembly arranged between the mounting bottom plate and the cover plate;
the blade and end cover locating component comprises a locating component mounting plate, a head connecting plate, a locating cylinder, a clamping jaw connecting plate, a tail connecting plate, a locating clamping jaw and an end cover locating core, wherein a blade profiling groove is formed in the locating component mounting plate, the fixed end of the locating cylinder is mounted on the locating component mounting plate through the tail connecting plate, the output end of the locating cylinder is connected with the clamping jaw connecting plate through the head connecting plate, the locating clamping jaw is fixed on the clamping jaw connecting plate, and the end cover locating core is fixed at the very center of the top surface of the locating component mounting plate.
Further, the laser welding assembly comprises an X-axis module, a Z-axis module, a Y-axis module, a laser welding head, an electric welding turntable and a micro-motion module.
Further, the X-axis module is fixed on the machine base, the Z-axis module is vertically arranged on the sliding block of the X-axis module, the Y-axis module is vertically arranged on the sliding block of the Z-axis module, the micro-motion module is vertically arranged on the sliding block of the Y-axis module, the electric welding turntable is arranged on the micro-motion module sliding block, and the laser welding head is connected with the electric welding turntable.
Further, the tool assembly further comprises an electric positioning rotary table, the installation bottom plate is fixed at the output end of the electric positioning rotary table, and the blades and the end cover positioning assembly are fixed on the installation bottom plate through supporting rods.
Further, the frock subassembly still includes pressure material cylinder, cylinder mounting panel, pivot, stopper, upset cylinder, the apron is fixed in the output of pressure material cylinder, pressure material cylinder is fixed in on the cylinder mounting panel, the cylinder mounting panel passes through the bearing and is connected with the pivot, and the stopper is fixed in on the mounting plate, the output of upset cylinder articulates on the cylinder mounting panel through the connecting piece, the stiff end of upset cylinder articulates on the mounting plate.
Further, the cover plate is made of aluminum pieces, and the cover plate is provided with a profiling avoiding groove corresponding to the blade, and the width of the profiling avoiding groove is 1mm larger than that of the blade.
Further, the blade and end cover positioning assembly further comprises a bearing end cover, the clamping jaw connecting plate is connected with a positioning assembly mounting plate central shaft through a bearing, and the bearing end cover is used for fixing the bearing.
Further, the stiff end of location cylinder rotates through the pivot and sets up on the afterbody connecting plate, the afterbody connecting plate is fixed in on the locating component mounting panel, the output of location cylinder rotates through the pivot and sets up on the head connecting plate, the head connecting plate is fixed in on the clamping jaw connecting plate.
Further, the shape of the end cover positioning core is consistent with that of the positioning hole of the end cover, and the dimensional tolerance is small by 0.1mm.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
according to the laser automatic welding device for the water pump impeller assembly, a laser penetration welding process (shown in fig. 7) is adopted, namely welding is carried out from the direction of an end cover, a module and a turntable are used for driving on a welding track, Z-shaped swing welding is realized, the welding track covers the width of a blade, so that the welding strength is increased, and the welding quality and the welding yield are improved;
preliminary location to blade and end cover is realized through adopting blade and end cover locating component, and still accessible apron fastens blade and end cover once more, improves welding precision, and need not the manual work in the work piece location process and adjust the work piece position repeatedly, adopts automatic positioning's mode, helps improving welding efficiency.
And moreover, by adopting double-station arrangement, the production beat always keeps one station welding, the other station is fed and discharged, the welding qualification rate and the welding efficiency are improved compared with the traditional welding, and the left and right station tooling components are provided with whole row thread hole pitches on the corresponding machine base mounting plates, so that the tooling is convenient for integrally changing the shape, and the multi-specification product is suitable.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a laser welding assembly according to the present invention;
FIG. 3 is a schematic diagram of a tooling assembly according to the present invention;
FIG. 4 is a schematic view of the location of the protrusions and stoppers in the cylinder mounting plate of the present invention;
FIG. 5 is a bottom view of a blade in the blade and end cap positioning assembly of the present invention;
FIG. 6 is a top view of a blade in the blade and end cap positioning assembly of the present invention;
FIG. 7 is a schematic cross-sectional view of A-A of the blade and end cap positioning assembly of the present invention;
FIG. 8 is a schematic view of the position of the blade and end cap and weld in the impeller assembly of the present invention;
FIG. 9 is a schematic diagram of a weld trace positioning according to the present invention;
FIG. 10 is a schematic view of the positioning of an end cap in the blade and end cap positioning assembly of the present invention.
In the figure: 1. a laser welding assembly; 1-1, an X-axis module; 1-2, a Z-axis module; 1-3, Y-axis module; 1-4, a laser welding head; 1-5, an electric welding turntable; 1-6, a micro-motion module; 2. a tooling assembly; 2-1, cover plate; 2-2, a material pressing cylinder; 2-3, a cylinder mounting plate; 2-4, rotating shaft; 2-5, an electric positioning turntable; 2-6, limiting blocks; 2-7, overturning the cylinder; 2-8, a blade and end cover positioning assembly; 2-8-1, positioning component mounting plates; 2-8-2, a head connecting plate; 2-8-3, positioning an air cylinder; 2-8-4, a bearing end cover; 2-8-5, clamping jaw connecting plates; 2-8-6, a tail connecting plate; 2-8-7, positioning clamping jaws; 2-8-8, end cover positioning cores; 2-9, mounting a bottom plate; 2-10, supporting rods; 3. a manipulation assembly; 4. a manipulation assembly; 5. a camera; a. a blade; b. an end cap; c. welding seams; d. welding tracks; e. and positioning holes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, a laser automatic welding device for a water pump impeller assembly in this embodiment includes a machine base 4, two sets of tool assemblies 2 are arranged on the machine base 4 in parallel, a laser welding assembly 1 is arranged on the machine base 4 and on the same side surface of the two sets of tool assemblies 2, and a control assembly 3 is further arranged on the side surface of the machine base 4.
Through adopting two sets of frock subassembly 2, the setting of duplex position makes the takt remain one station welding throughout, and unloading on another station has improved welding qualification rate and welding efficiency than traditional welding.
And the tooling assembly 2 is provided with an array of thread pitch holes corresponding to the mounting plate of the machine base 4, so that the tooling assembly 2 is convenient to be integrally changed in shape, and a plurality of specifications of products are suitable for.
The invention adopts a laser penetration welding process, namely welding from the direction of an end cover b, realizes Z-shaped swing welding by using a module and a turntable on a welding track, and the welding track covers the width of a blade a, thereby increasing the welding strength and improving the welding quality and the welding yield, and concretely, as shown in fig. 1-2, a laser welding assembly 1 comprises an X-axis module 1-1, a Z-axis module 1-2, a Y-axis module 1-3, a laser welding head 1-4, an electric welding turntable 1-5 and a micro-motion module 1-6. The X-axis module 1-1 is fixed on the machine base 4, the Z-axis module 1-2 is vertically installed on the sliding block of the X-axis module 1-1 through a connecting piece, the Y-axis module 1-3 is vertically installed on the sliding block of the Z-axis module 1-2, the micro-motion module 1-6 is vertically installed on the sliding block of the Y-axis module 1-3 through a connecting piece, the electric welding turntable 1-5 is installed on the sliding block of the micro-motion module 1-6 through a connecting piece, and the laser welding head 1-4 is connected with the electric welding turntable 1-5. During welding, the X-axis module 1-1, the Z-axis module 1-2, the Y-axis module 1-3, the micro-motion module 1-6 and the electric welding turntable 1-5 can be used for flexibly adjusting the azimuth of the laser welding head 1-4, and the Z-shaped swing welding of the laser welding head 1-4 is realized by using the modules and turntable driving on a welding track.
The tool assembly 2 is used for automatically positioning the impeller assembly without manual repeated adjustment, is high in automatic positioning accuracy and convenient for welding operation of the laser welding assembly 1, and comprises a cover plate 2-1, a material pressing cylinder 2-2, a cylinder mounting plate 2-3, a rotating shaft 2-4, an electric positioning rotary table 2-5, a limiting block 2-6, a turnover cylinder 2-7, a blade and end cover positioning assembly 2-8, a mounting bottom plate 2-9 and a supporting rod 2-10 as shown in fig. 3-7. The blade and end cover positioning assembly 2-8 is fixed on the mounting base plate 2-9 through the supporting rod 2-10, the cover plate 2-1 is fixed on the output end of the pressing cylinder 2-2, the pressing cylinder 2-2 is fixed on the cylinder mounting plate 2-3, the cylinder mounting plate 2-3 is connected with the rotating shaft 2-4 through a bearing, the limiting block 2-6 is fixed on the mounting base plate 2-9, the output end of the overturning cylinder 2-7 is hinged on the cylinder mounting plate 2-3 through a connecting piece, the fixed end of the overturning cylinder 2-7 is hinged on the mounting base plate 2-9, and the mounting base plate 2-9 is fixed on the output end of the electric positioning turntable 2-5. As shown in FIG. 8, the impeller assembly comprises a blade a and an end cover b, and when the impeller assembly works, the blade a and the end cover b are both placed on the blade and the end cover positioning assembly 2-8, the workpiece is initially positioned by the end cover positioning assembly 2-8, and then the cylinder mounting plate 2-3 can be driven to rotate by the action of the overturning cylinder 2-7, so that the material pressing cylinder 2-2 rotates along with the workpiece, the cover plate 2-1 is parallel to the workpiece, and then the material pressing cylinder 2-2 contracts, so that the cover plate 2-1 descends to press the workpiece, and the workpiece pressing operation can be completed.
Wherein, apron 2-1 is by the aluminum part preparation, in order to reduce laser absorption, makes laser beat on the upper surface when preventing to debug and causes damage or adhesion with the work piece, and is equipped with on the apron 2-1 and dodges the groove with the corresponding imitative type of blade a, imitative type dodges the groove width and is 1mm bigger than blade a width, both makes things convenient for the debugging personnel to set up the welding track, can reach the purpose that compresses tightly the work piece again.
As shown in FIG. 4, the cylinder mounting plate 2-3 is provided with a protrusion, the thickness of the limiting block 2-6 is controlled by the machining precision, and when the cylinder 2-7 is in a retracted state, the protrusion of the cylinder mounting plate 2-3 contacts with the limiting block 2-6, so that the cover plate 2-1 is ensured to be parallel to a workpiece, and the welding reliability is ensured.
As to how the blade and end cap positioning assembly 2-8 performs preliminary positioning of the blade a and end cap b, as shown in fig. 5-7, the blade and end cap positioning assembly 2-8 includes a positioning assembly mounting plate 2-8-1, a head connecting plate 2-8-2, a positioning cylinder 2-8-3, a bearing end cap 2-8-4, a jaw connecting plate 2-8-5, a tail connecting plate 2-8-6, a positioning jaw 2-8-7, and an end cap positioning core 2-8-8. The positioning component mounting plate 2-8-1 is provided with 6 blade profiling grooves for feeding the blade a, the fixed end of the positioning cylinder 2-8-3 is mounted on the positioning component mounting plate 2-8-1 through the tail connecting plate 2-8-6, the fixed end of the positioning cylinder 2-8-3 is rotatably arranged on the tail connecting plate 2-8-6 through a rotating shaft, the tail connecting plate 2-8-6 is fixed on the positioning component mounting plate 2-8-1, the output end of the positioning cylinder 2-8-3 is connected with the clamping jaw connecting plate 2-8-5 through the head connecting plate 2-8-2, the output end of the positioning cylinder 2-8-3 is rotatably arranged on the head connecting plate 2-8-2 through the rotating shaft, the head connecting plate 2-8-2 is fixed on the clamping jaw connecting plate 2-8-5, the clamping jaw connecting plate 2-8-5 is connected with the positioning component mounting plate 2-8-1 through a bearing in a central shaft, the bearing end cover 2-8-4 is used for fixing the bearing, the positioning clamping jaw 2-8-7 is fixed on the connecting plate 2-8-5, and the positioning end cover 2-8-1 is fixed on the center of the top surface of the positioning component mounting plate 2-8-1.
The blade a is placed in a profiling groove of the positioning component mounting plate 2-8-1, so that two end faces and inner side faces of the length direction of the blade a are tightly attached to the profiling groove, the positioning cylinder 2-8-3 is retracted to drive the clamping jaw connecting plate 2-8-5 to rotate around the center of the positioning component mounting plate 2-8-1, and accordingly the positioning clamping jaw 2-8-7 is driven to rotate to compress the outer side face of the blade a, and complete positioning of the blade a is achieved.
The positioning of the end cover b mainly depends on the end cover positioning core 2-8-8, the shape of the end cover positioning core 2-8-8 is consistent with that of the positioning hole e in the end cover b, and the dimensional tolerance is 0.1mm smaller, so that the circumferential positioning of the end cover b is realized, the lower end face of the end cover b after being fed contacts with the blade a, and the end cover b is completely positioned when the cover plate 2-1 is pressed down in operation.
As a preferred mode, the embodiment of the invention can automatically identify the starting point of the welding track. As shown in fig. 9, the laser welding assembly 1 further includes a camera (5) for identifying a welding track, and the welding track can be positioned to realize accurate welding, and the welding track positioning method specifically includes the following steps:
the center point (A, B) of two ends of the arc surrounded by the inner wall of the profiling avoidance groove is connected into a section of straight line (L), a vertical line is drawn from the center point of the straight line L, and the center point C of the outer edge of the arc (the intersection point of the vertical line and the outer edge of the arc) is retracted backwards by the radius R of a section of arc, so that the circle center O of the arc can be obtained (the circle center of the arc is the circle center of the welding track because the welding track is positioned on the center line of the arc).
And the distance between a plurality of points on the outer edge of the arc and the O point is compared with the radius R, if the error range is within the acceptable range, the O point is used as the circle center of the arc, and the subsequent welding track is judged.
Because the distances from the starting point and the middle point of the welding track to the middle points of the two ends of the circular arc are equal, the length L= (L1-L2)/2 of the point A rotating to the starting point of the welding track with the circle center O can be calculated, wherein L1 is the arc length of the point A, B, L2 is the welding track length, the starting point of the welding track can be obtained by rotating the point A with the circle center O for a certain length L, the laser welding heads 1-4 sequentially deviate from the point for a certain distance up and down to form a Z-shaped welding track, and the welding is completed until the welding head moves to the end point of the welding track.
By adopting the automatic laser welding device for the water pump impeller assembly, the welding quality and the welding yield are improved, and the specific welding method is as follows:
in the initial state, a laser welding head 1-4 is positioned at a waiting position, a material pressing cylinder 2-2, a turnover cylinder 2-7 and a positioning cylinder 2-8-3 in a tooling assembly 2 are all in an extending state, during welding production, firstly, 6 blades a are correspondingly placed in a profiling groove of a positioning assembly mounting plate 2-8-1 in a left station tooling assembly 2 by a manual manipulator, two end faces and inner side faces in the length direction of the blades a are tightly attached to the profiling groove, then a positioning hole e in an end cover b is sleeved outside an end cover positioning core 2-8-8, so that the circumferential positioning of the end cover b is realized, the lower end face of the end cover b is in contact with a blade a, at the moment, a left station starting button is pressed after the feeding is finished, the positioning cylinder 2-8-3 is retracted to drive a clamping jaw connecting plate 2-8-5 to rotate around the center of the positioning assembly mounting plate 2-8-1, so that the outer side faces of the blades a are driven to be compressed tightly to realize the complete positioning of the blades a, then the turnover cylinder 2-7 is retracted to drive the cylinder mounting plate 2-3 to rotate, and then the material pressing cylinder 2-2 is rotated, so that a cover plate 2-1 is enabled to be in parallel to the complete positioning of the work piece, and finally, the work piece 2-1 is compressed and the work piece is completely and contracted, so that the cover plate 2-1 is completely compressed and the work piece is completely is compressed;
then, an X-axis module 1-1, a Z-axis module 1-2 and a Y-axis module 1-3 in the laser welding assembly 1 act, a laser welding head 1-4 is moved to a left station for welding, Z-shaped swing welding is achieved through linkage of the modules and a rotary table during welding, during left station welding, right station feeding can be achieved simultaneously, a right station starting button is pressed after right station feeding is finished, a welding head is moved to a right station for welding after left station welding is finished, meanwhile, a left station fixture is reset, a finished product after welding is finished is taken out by a manual manipulator at the moment, a new welding assembly is replaced, and double stations are repeatedly and alternately welded.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The automatic laser welding device for the water pump impeller component is characterized by comprising a machine base (4), wherein the machine base (4) is provided with a tool component (2) and a laser welding component (1);
the tool assembly (2) comprises a rotatable mounting bottom plate (2-9), a cover plate (2-1) which is arranged on the top surface of the mounting bottom plate (2-9) and can perform overturning and linear movement, and a blade and end cover positioning assembly (2-8) which is arranged between the mounting bottom plate (2-9) and the cover plate (2-1) and is used for preliminarily positioning the blade (a) and the end cover (b);
the blade and end cover positioning assembly (2-8) comprises a positioning assembly mounting plate (2-8-1), a head connecting plate (2-8-2), a positioning cylinder (2-8-3), a clamping jaw connecting plate (2-8-5), a tail connecting plate (2-8-6), a positioning clamping jaw (2-8-7) and an end cover positioning core (2-8-8), a blade profiling groove is formed in the positioning assembly mounting plate (2-8-1), the fixed end of the positioning cylinder (2-8-3) is mounted on the positioning assembly mounting plate (2-8-1) through the tail connecting plate 2-8-6, the output end of the positioning cylinder (2-8-3) is connected with the clamping jaw connecting plate (2-8-5) through the head connecting plate (2-8-2), the positioning clamping jaw (2-8-7) is fixed on the connecting plate (2-8-5), and the clamping jaw positioning core (2-8-8) is fixed on the center of the top surface of the end cover positioning assembly mounting plate (2-8-1);
the tool assembly (2) further comprises an electric positioning rotary table (2-5), the mounting bottom plate (2-9) is fixed at the output end of the electric positioning rotary table (2-5), and the blade and end cover positioning assembly (2-8) is fixed on the mounting bottom plate (2-9) through a supporting rod (2-10);
the tool assembly (2) further comprises a material pressing cylinder (2-2), a cylinder mounting plate (2-3), a rotating shaft (2-4), a limiting block (2-6) and a turnover cylinder (2-7), wherein the cover plate (2-1) is fixed at the output end of the material pressing cylinder (2-2), the material pressing cylinder (2-2) is fixed on the cylinder mounting plate (2-3), the cylinder mounting plate (2-3) is connected with the rotating shaft (2-4) through a bearing, the limiting block (2-6) is fixed on a mounting bottom plate (2-9), the output end of the turnover cylinder (2-7) is hinged on the cylinder mounting plate (2-3) through a connecting piece, and the fixed end of the turnover cylinder (2-7) is hinged on the mounting bottom plate (2-9);
the cover plate (2-1) is made of an aluminum piece, the cover plate (2-1) is provided with a profiling avoiding groove corresponding to the blade (a), and the width of the profiling avoiding groove is 1mm larger than that of the blade (a);
the blade and end cover positioning assembly (2-8) further comprises a bearing end cover (2-8-4), the clamping jaw connecting plate (2-8-5) is connected with the central shaft of the positioning assembly mounting plate (2-8-1) through a bearing, and the bearing end cover (2-8-4) is used for fixing the bearing;
the fixed end of the positioning cylinder (2-8-3) is rotatably arranged on the tail connecting plate (2-8-6) through a rotating shaft, the tail connecting plate (2-8-6) is fixed on the positioning component mounting plate (2-8-1), the output end of the positioning cylinder (2-8-3) is rotatably arranged on the head connecting plate (2-8-2) through the rotating shaft, and the head connecting plate (2-8-2) is fixed on the clamping jaw connecting plate (2-8-5);
the laser welding assembly (1) further comprises a camera (5) for identifying the welding track, and the welding track can be positioned to realize accurate welding.
2. The laser automatic welding device for a water pump impeller assembly according to claim 1, wherein: the laser welding assembly (1) comprises an X-axis module (1-1), a Z-axis module (1-2), a Y-axis module (1-3), a laser welding head (1-4), an electric welding turntable (1-5) and a micro-motion module (1-6).
3. The laser automatic welding device for the water pump impeller assembly according to claim 2, wherein: the X-axis module (1-1) is fixed on the machine base (4), the Z-axis module (1-2) is vertically installed on the sliding block of the X-axis module (1-1), the Y-axis module (1-3) is vertically installed on the sliding block of the Z-axis module (1-2), the micro-motion module (1-6) is vertically installed on the sliding block of the Y-axis module (1-3), the electric welding turntable (1-5) is installed on the micro-motion module (1-6) sliding block, and the laser welding head (1-4) is connected with the electric welding turntable (1-5).
4. The laser automatic welding device for a water pump impeller assembly according to claim 1, wherein: the end cover positioning cores (2-8-8) are consistent with the positioning holes (e) of the end cover (b) in shape, and the dimensional tolerance is small by 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410035641.4A CN117532162B (en) | 2024-01-10 | 2024-01-10 | Automatic laser welding device for water pump impeller assembly |
Applications Claiming Priority (1)
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| CN117532162A (en) | 2024-02-09 |
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