Automatic water pump impeller welding equipment

Abstract

The invention discloses automatic water pump impeller welding equipment, which belongs to the technical field of impeller welding and comprises a feeding rotating table, a blade feeding mechanism, an impeller disc feeding mechanism, a welding conveying mechanism, a first welding robot, a second welding robot and a staggered limiting structure. A plurality of groups of staggered limiting structures are arranged at the movable end of the feeding rotating table; the staggered limiting structure comprises a rotating module, a center limiting module and an outer layer limiting module, the rotating module is installed at the moving end of the feeding rotating table, the center limiting module is installed on the rotating module, and the outer layer limiting module is installed on the rotating module; a blade feeding mechanism is arranged on the rear side of the feeding rotating table. A welding conveying mechanism is installed on the front side of the feeding rotating table, and an impeller disc feeding mechanism, a first welding robot and a second welding robot used for welding the inner sides of the multiple blades are arranged on the lower side of the welding conveying mechanism. In this way, complete welding of the blades and the impeller disc is achieved, and the welding precision is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of impeller welding, and in particular to an automatic water pump impeller welding device. Background Art

[0002] One way to produce a water pump impeller is to process the various components of the impeller, such as the impeller disk, blades, impeller cover, etc., separately and then weld them together using welding equipment.

[0003] For example, Chinese patent publication number CN117532162A discloses a water pump impeller assembly laser automatic welding device, which positions the end cover through an end cover positioning assembly, positions the blades through blade profiling grooves on the positioning assembly, and then welds them by laser welding.

[0004] However, when welding the impeller, it is difficult for the device to discharge and load all the blades of the impeller at one time, and it is difficult to maintain support for the blades during the welding process, making it difficult to ensure welding accuracy.

[0005] Based on this, the present invention designs an automatic water pump impeller welding device to solve the above problems. Summary of the invention

[0006] In view of the above-mentioned shortcomings of the prior art, the present invention provides an automatic water pump impeller welding device.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] An automated water pump impeller welding device comprises a feeding rotating table, a blade feeding mechanism, an impeller disc feeding mechanism, a welding conveying mechanism, a first welding robot and a second welding robot, and also comprises a staggered limiting structure;

[0009] The moving end of the feeding rotary table is evenly arranged with multiple groups of staggered limiting structures in a circular array at equal intervals; the staggered limiting structure includes a rotating module, a central limiting module and an outer limiting module, the moving end of the feeding rotary table is installed with a rotating module, the rotating module is installed with a central limiting module for limiting the inner sides of multiple blades, and the rotating module is installed with an outer limiting module for limiting the outer sides of multiple blades;

[0010] A blade loading mechanism is arranged on the rear side of the feeding turntable; a welding conveying mechanism is installed on the front side of the feeding turntable, and an impeller disk loading mechanism, a first welding robot for welding the outer sides of multiple blades, and a second welding robot for welding the inner sides of multiple blades are arranged on the lower side of the welding conveying mechanism from left to right.

[0011] Furthermore, the rotating module includes a fixed plate, a lower rotating motor, a rotating support frame and a material preparation mounting table. The fixed plate is fixedly installed on the moving end of the feeding rotating table, the lower rotating motor is fixedly installed on the lower side of the fixed plate, the rotating support frame is rotatably installed on the upper side of the fixed plate, and the material preparation mounting table is fixedly installed on the upper side of the rotating support frame; the output end of the lower rotating motor is fixedly connected to the rotating support frame.

[0012] Furthermore, the center limiting module includes a fixed center block, which is fixedly mounted on the upper side of the material preparation mounting table. A plurality of inner limiting grooves for limiting the inner side of the blades are evenly arranged at equal intervals in a circular array on the outer side of the fixed center block.

[0013] Furthermore, the outer limit module includes a staggered cylinder, a limit rod and a movable mounting plate, and the staggered cylinder is fixedly mounted on the lower side of the material preparation mounting platform; the output end of the staggered cylinder is fixedly mounted with a movable mounting plate, the lower side of the movable mounting plate is fixedly connected to one end of the limit rod, and the limit rod is slidingly connected to the material preparation mounting platform for limiting; a plurality of outer limit grooves for limiting the outer side of the blade are evenly arranged in a circular array at equal intervals on the movable mounting plate; the outer limit grooves are aligned with the inner limit grooves.

[0014] Furthermore, the blade feeding mechanism includes a feeding module, a material guiding module and a material pressing module. The feeding module is arranged on the rear side of the feeding rotary table. The feeding module is equipped with a material guiding module. The material guiding module is equipped with a material pressing module for conveying the blades in the material guiding module to the inner limiting groove and the outer limiting groove.

[0015] Furthermore, the feeding module includes a feeding frame, a feeding motor, a threaded rod, a guide rail and a feeding push plate; the feeding motor is fixedly installed on the feeding frame, one end of the threaded rod is fixedly connected to the output end of the feeding motor, and the other end of the threaded rod is rotatably connected to the feeding frame; the guide rail is fixedly installed on the feeding frame, the outer end of the feeding push plate is limitedly slidably connected to the guide rail, and the outer end of the feeding push plate is threadedly connected to the threaded rod through a threaded sleeve.

[0016] Furthermore, the welding conveying mechanism includes a conveying support frame, a cylinder linear slide, a vertical moving module, a welding rotating structure and a fixed component. The conveying support frame is arranged on the front side of the feeding rotating table, and a cylinder linear slide is fixedly installed on the conveying support frame. Two groups of vertical moving modules are installed on the moving end of the cylinder linear slide; the welding rotating structure is installed on the vertical moving module, and a fixed component for fixing the impeller disk is installed on the vertical moving module.

[0017] Furthermore, the vertical moving module includes a mobile mounting frame, a mobile cylinder, a guide rod and a fixed mounting platform. The mobile mounting frame is fixedly mounted on the moving end of the cylinder linear slide, the mobile mounting frame is fixedly mounted with the mobile cylinder, the output end of the mobile cylinder is fixedly connected to the fixed mounting platform, the upper side of the fixed mounting platform is fixedly mounted with a guide rod, and the guide rod is limitedly slidably connected to the mobile mounting frame.

[0018] Furthermore, the welding rotating structure includes an upper rotating motor, a rotating mounting frame and a rotating table. The upper rotating motor is fixedly mounted on the fixed mounting frame, the rotating mounting frame is rotatably mounted on the fixed mounting frame, and the output end of the upper rotating motor is fixedly connected to the rotating mounting frame; a rotating table is fixedly mounted on the lower side of the rotating mounting frame.

[0019] Furthermore, the fixed component includes a rotating downward pressure cylinder, an eccentric pressure block, a central conformal positioning column and a negative pressure tube; a conformal circular groove conforming to the impeller disk is opened on the lower side of the rotating table, a central conformal positioning column is fixedly installed in the middle of the rotating table, and a negative pressure tube is fixedly installed on the upper side of the rotating table; a negative pressure groove is opened on the lower side of the rotating table; the negative pressure tube is connected to the negative pressure groove; the rotating downward pressure cylinder is fixedly installed on the rotating table, and the output end of the rotating downward pressure cylinder passes through the central conformal positioning column and is fixedly connected to the eccentric pressure block.

[0020] Compared with the prior art, the present invention has the following beneficial effects: by setting up multiple groups of rotating modules, central limiting modules and outer limiting modules, the blades can be placed in the impeller disk at the first loading station, and the outer side of the blades can be welded together with the impeller disk at the first welding station, thereby ensuring the overall welding efficiency; by setting up the central limiting module and the outer limiting module, multiple blades and impeller disks can be synchronously aligned and welded, and when welding the outer side of the blades, the relative position of the blades and the impeller disk is guaranteed by the outer limiting module, thereby ensuring the welding accuracy; after the blades and the outer side of the impeller disk are welded at the first station, the welding conveying mechanism drives the blades and the impeller disk to move to the second welding station, and the inner side of the blades and the impeller disk are welded together by the second welding robot, thereby realizing the complete welding of the blades and the impeller disk. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 A three-dimensional automatic water pump impeller welding device of the present invention Figure 1 ;

[0023] Figure 2 It is a front view of an automatic water pump impeller welding device of the present invention;

[0024] Figure 3 A three-dimensional automatic water pump impeller welding device of the present invention Figure 2 ;

[0025] Figure 4 for Figure 3 The enlarged view of point A in the middle;

[0026] Figure 5 Schematic diagram of the center limit module and its connection structure;

[0027] Figure 6 It is a schematic diagram of the material guide frame and its connection structure;

[0028] Figure 7 for Figure 3 The enlarged view of point B in the middle;

[0029] Figure 8 It is a schematic diagram of the rotating mounting frame and its connection structure;

[0030] Fig. 9 Schematic diagram of the blade and impeller disk structure.

[0031] The numbers in the figure represent:

[0032] 1. Feeding rotating table; 2. Staggered limiting structure; 21. Rotating module; 211. Fixed plate; 212. Lower rotating motor; 213. Rotating support frame; 214. Material preparation installation table; 22. Center limiting module; 221. Fixed center block; 222. Inner limiting groove; 23. Outer limiting module; 231. Offset cylinder; 232. Limit rod; 233. Mobile mounting plate; 234. Outer limiting groove; 3. Blade feeding mechanism; 31. Feeding module; 311. Feeding rack; 312. Feeding motor; 313. Threaded rod; 314. Guide rail; 315. Feeding push plate; 32. Guide module; 321. Guide rack; 322. Storage trough; 323. Guide trough; 33. Pressing module; 33 1. Pressing cylinder; 332. Conformable pressing plate; 4. Impeller disc feeding mechanism; 41. Belt conveyor; 411. Limiting table; 5. Welding conveying mechanism; 51. Conveying support frame; 52. Cylinder linear slide; 53. Vertical moving module; 531. Mobile mounting frame; 532. Mobile cylinder; 533. Guide rod; 534. Fixed mounting table; 54. Welding rotating structure; 541. Upper rotating motor; 542. Rotating mounting frame; 543. Rotating round table; 55. Fixed assembly; 551. Rotating downward pressure cylinder; 552. Eccentric pressure block; 554. Center conformal positioning column; 555. Negative pressure groove; 556. Negative pressure pipe; 6. First welding robot; 7. Second welding robot; 8. Blade; 9. Impeller disc. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0035] Embodiment 1: In some embodiments, please refer to the drawings of the specification Figure 1-Figure 3 and Fig. 9 , an automated water pump impeller welding device, comprising a feeding rotating table 1, a blade feeding mechanism 3, an impeller disc feeding mechanism 4, a welding conveying mechanism 5, a first welding robot 6 and a second welding robot 7; and also comprising a staggered limiting structure 2;

[0036] The feeding rotary table 1 is provided with a first loading station for arranging and loading the blades 8, a first detection station for detecting the loading status, a first welding station for welding the plurality of blades 8 to the outer side of the impeller disk 9, and a second detection station for detecting the status on the staggered limiting structure 2 in sequence along the clockwise direction; wherein the blade loading station is located directly behind the feeding rotary table 1;

[0037] A second loading station for loading the impeller disc 9 is arranged on the left side of the first welding station aligned with the position of the welding conveyor mechanism 5, and a second welding station for welding the plurality of blades 8 to the inner side of the impeller disc 9 is arranged on the right side of the first welding station aligned with the position of the welding conveyor mechanism 5;

[0038] like Figure 2 and Figure 3 As shown, the moving end of the feeding rotary table 1 is evenly provided with a plurality of groups of staggered limiting structures 2 in a circular array with equal spacing; the staggered limiting structure 2 includes a rotating module 21, a central limiting module 22 and an outer limiting module 23, the moving end of the feeding rotary table 1 is installed with the rotating module 21, the rotating module 21 is installed with the central limiting module 22 for limiting the inner sides of the plurality of blades 8, and the rotating module 21 is installed with the outer limiting module 23 for limiting the outer sides of the plurality of blades 8;

[0039] A blade loading mechanism 3 is arranged on the rear side of the feeding turntable 1; a welding conveying mechanism 5 is installed on the front side of the feeding turntable 1, and an impeller disk loading mechanism 4, a first welding robot 6 for welding the outer sides of multiple blades 8, and a second welding robot 7 for welding the inner sides of multiple blades 8 are arranged in sequence on the lower side of the welding conveying mechanism 5 from left to right.

[0040] The first inspection station and the second inspection station are respectively provided with visual inspection devices, and the visual inspection devices are selected from commercially available mature equipment in the field.

[0041] In this embodiment, when the automatic water pump impeller welding equipment is working normally, at the first loading station, the blade 8 is placed on the central limiting module 22 and the outer limiting module 23 by the blade loading mechanism 3, and the blade 8 is limited by the central limiting module 22 and the outer limiting module 23, and then the rotating module 21 drives the central limiting module 22 and the outer limiting module 23 to rotate, and the blade 8 is placed on the central limiting module 22 and the outer limiting module 23 by the blade loading mechanism 3 again; repeat this operation until the blades 8 on the same impeller disk 9 are distributed in a circular array on the central limiting module 22 and the outer limiting module 23;

[0042] The feeding rotating table 1 drives the plurality of blades 8 to rotate to the first detection station through the rotating module 21, the center limiting module 22 and the outer limiting module 23, and detects the blades 8 on the center limiting module 22 and the outer limiting module 23 through an external detection device to confirm whether the blades 8 in the center limiting module 22 and the outer limiting module 23 are accurately in place;

[0043] The feeding rotary table 1 drives the multiple blades 8 to rotate to the first welding station through the rotating module 21, the central limiting module 22 and the outer limiting module 23; at this time, the welding conveying mechanism 5 drives an impeller disk 9 to move to the first welding station, and covers the impeller disk 9 to the upper side of the multiple blades 8; the central limiting module 22 is operated so that the central limiting module 22 no longer contacts the outer side of the blade 8, so that the outer side of the blade 8 is not blocked, and at the same time, the inner side of the blade 8 is continued to be supported and positioned through the outer limiting module 23, so that the positions of the multiple blades 8 and the impeller disk 9 remain stable; the outer side of the blade 8 is welded to the impeller disk 9 through the first welding robot 6; the rotating module 21 drives the impeller disk 9 and the blade 8 to rotate through the central limiting module 22 and the outer limiting module 23 until the outer sides of all blades 8 are welded to the impeller disk 9;

[0044] The welding conveying mechanism 5 drives the blades 8 and the impeller disk 9 welded at the first welding station to move to the second welding station; at the same time, the feeding rotating table 1 drives the rotating module 21, the center limiting module 22 and the outer limiting module 23 to move to the second inspection station, and at the second inspection station, an external visual inspection device is used to confirm whether all the blades 8 in the center limiting module 22 and the outer limiting module 23 are removed; at the second welding station, the inner side of the blade 8 and the impeller disk 9 are welded together by the second welding robot 7; thereby completing the complete welding of the blade 8 and the impeller disk 9;

[0045] During this process, by setting up multiple groups of rotating modules 21, central limiting modules 22 and outer limiting modules 23, the blade 8 can be placed in the impeller disk 9 at the first loading station, and the outer side of the blade 8 and the impeller disk 9 can be welded together at the first welding station, thereby ensuring the overall welding efficiency; by setting up the central limiting module 22 and the outer limiting module 23, multiple blades 8 and impeller disks 9 are synchronously aligned and welded, and when welding the outer side of the blade 8, the relative position of the blade 8 and the impeller disk 9 is guaranteed by the outer limiting module 23, thereby ensuring the welding accuracy; after the blade 8 and the outer side of the impeller disk 9 are welded at the first station, the welding conveying mechanism 5 drives the blade 8 and the impeller disk 9 to move to the second welding station, and the inner side of the blade 8 and the impeller disk 9 are welded together by the second welding robot 7, thereby realizing the complete welding of the blade 8 and the impeller disk 9.

[0046] Embodiment 2: In some embodiments, as a preferred embodiment of the present invention, as Figure 3and Figure 5 As shown, the rotating module 21 includes a fixed plate 211, a lower rotating motor 212, a rotating support frame 213 and a material preparation installation platform 214. The fixed plate 211 is fixedly installed on the moving end of the feeding rotating platform 1, the lower rotating motor 212 is fixedly installed on the lower side of the fixed plate 211, the rotating support frame 213 is rotatably installed on the upper side of the fixed plate 211, and the material preparation installation platform 214 is fixedly installed on the upper side of the rotating support frame 213; the output end of the lower rotating motor 212 is fixedly connected to the rotating support frame 213;

[0047] The center limiting module 22 includes a fixed center block 221, which is fixedly mounted on the upper side of the material preparation mounting platform 214, and a plurality of inner limiting grooves 222 for limiting the inner side of the blade 8 are evenly arranged in a circular array at equal intervals on the outer side of the fixed center block 221;

[0048] The outer limiting module 23 includes a dislocation cylinder 231, a limiting rod 232 and a movable mounting plate 233. The dislocation cylinder 231 is fixedly mounted on the lower side of the material preparation mounting platform 214. The output end of the dislocation cylinder 231 is fixedly mounted with a movable mounting plate 233. The lower side of the movable mounting plate 233 is fixedly connected to one end of the limiting rod 232. The limiting rod 232 is limitedly slidably connected to the material preparation mounting platform 214. A plurality of outer limiting grooves 234 for limiting the outer side of the blade 8 are evenly arranged in a circular array at equal intervals on the movable mounting plate 233. The outer limiting grooves 234 are aligned with the inner limiting grooves 222.

[0049] like Figure 3 , Figure 4 and Figure 6 As shown, the blade feeding mechanism 3 includes a feeding module 31, a guiding module 32 and a pressing module 33. The feeding module 31 is arranged at the rear side of the feeding rotating table 1. The feeding module 31 is equipped with a guiding module 32. The guiding module 32 is equipped with a pressing module 33 for conveying the blades 8 in the guiding module 32 to the inner limiting groove 222 and the outer limiting groove 234.

[0050] The feeding module 31 includes a feeding frame 311, a feeding motor 312, a threaded rod 313, a guide rail 314 and a feeding push plate 315; the feeding motor 312 is fixedly installed on the feeding frame 311, one end of the threaded rod 313 is fixedly connected to the output end of the feeding motor 312, and the other end of the threaded rod 313 is rotatably connected to the feeding frame 311; the guide rail 314 is fixedly installed on the feeding frame 311, the outer end of the feeding push plate 315 is limitedly slidably connected to the guide rail 314, and the outer end of the feeding push plate 315 is threadedly connected to the threaded rod 313 through a threaded sleeve;

[0051] The material guide module 32 includes a material guide frame 321; the material guide frame 321 is fixedly mounted on the feeding frame 311, a material storage slot 322 for accommodating the blade 8 is provided on the material guide frame 321, and a bin door for filling is provided on the material guide frame 321 aligned with the upper side of the material storage slot 322; the material storage slot 322 is limitedly slidably connected to the material filling push plate 315; the material guide frame 321 is provided with a material guide slot 323 that conforms to the blade 8;

[0052] The pressing module 33 includes a pressing cylinder 331 and a conforming pressing plate 332 . The pressing cylinder 331 is fixedly mounted on the material guide frame 321 . The conforming pressing plate 332 is fixedly mounted on the output end of the pressing cylinder 331 . The conforming pressing plate 332 is plugged into the material guide groove 323 .

[0053] In this embodiment, when the staggered limiting structure 2 and the blade feeding mechanism 3 are working normally, the guide groove 323 is aligned with an inner limiting groove 222 and an outer limiting groove 234, and the feeding motor 312 drives the threaded rod 313 to rotate, and the threaded rod 313 drives the feeding push plate 315 to move horizontally under the limiting action of the guide rail 314, so that the feeding push plate 315 pushes the blade 8 in the storage groove 322 to move until the blade 8 in the storage groove 322 closest to the guide groove 323 moves into the guide groove 323; at this time, the pressing cylinder 331 drives the conforming pressing plate 332 to move in the guide groove 323 The blades 8 in the material trough 323 move into the inner limiting grooves 222 and the outer limiting grooves 234; the lower rotating motor 212 drives the rotating support frame 213 and the material preparation mounting platform 214 to rotate, thereby driving the fixed center block 221 and the movable mounting plate 233 to rotate, so that another group of inner limiting grooves 222 and outer limiting grooves 234 are aligned with the material guide trough 323; repeat this operation until blades 8 are present in all the inner limiting grooves 222 and outer limiting grooves 234 on the fixed center block 221 and the movable mounting plate 233; thereby completing the loading of the blades 8, so that the blades 8 are evenly distributed in a circular array;

[0054] Then the feeding rotary table 1 drives the blade 8 to move to the first welding station through the fixed plate 211, the rotating support frame 213, the material preparation mounting table 214, the fixed center block 221 and the movable mounting plate 233; after the welding conveying mechanism 5 drives the impeller disk 9 to press against the blade 8, the offset cylinder 231 drives the movable mounting plate 233 to move vertically downward under the limiting action of the limiting rod 232, so that the movable mounting plate 233 and the outer limiting groove 234 are separated from the blade 8, thereby facilitating the welding of the outer side of the blade 8 by the first welding robot 6; after the welding of the outer side of a blade 8 is completed, the lower rotating motor 212 drives the blade 8 and the impeller disk 9 to rotate through the rotating support frame 213, the material preparation mounting table 214 and the fixed center block 221, and then the other blade 8 is welded by the first welding robot 6; until the welding of the outer sides of all blades 8 is completed.

[0055] Embodiment 3: In some embodiments, as a preferred embodiment of the present invention, as Figure 2 and Figure 3 As shown, the impeller disc feeding mechanism 4 is configured as a belt conveyor 41, which is a mature commercially available device in the field; the belt of the belt conveyor 41 is evenly and evenly fixed with a limit table 411 for positioning the impeller disc 9 at equal intervals;

[0056] like Figure 3 , Figure 7 and Figure 8 As shown, the welding conveying mechanism 5 includes a conveying support frame 51, a cylinder linear slide 52, a vertical moving module 53, a welding rotating structure 54 and a fixing assembly 55. The conveying support frame 51 is arranged at the front side of the feeding rotating table 1, and the conveying support frame 51 is fixedly mounted with a cylinder linear slide 52, and two groups of vertical moving modules 53 are installed at the moving end of the cylinder linear slide 52; the welding rotating structure 54 is installed on the vertical moving module 53, and the fixing assembly 55 for fixing the impeller disc 9 is installed on the vertical moving module 53;

[0057] The vertical moving module 53 includes a moving mounting frame 531, a moving cylinder 532, a guide rod 533 and a fixed mounting platform 534. The moving mounting frame 531 is fixedly mounted on the moving end of the cylinder linear slide 52. The moving cylinder 532 is fixedly mounted on the moving mounting frame 531. The output end of the moving cylinder 532 is fixedly connected to the fixed mounting platform 534. The guide rod 533 is fixedly mounted on the upper side of the fixed mounting platform 534. The guide rod 533 is limitedly slidably connected to the moving mounting frame 531.

[0058] The welding rotating structure 54 includes an upper rotating motor 541, a rotating mounting frame 542 and a rotating round table 543. The upper rotating motor 541 is fixedly mounted on the fixed mounting platform 534. The rotating mounting frame 542 is rotatably mounted on the fixed mounting platform 534. The output end of the upper rotating motor 541 is fixedly connected to the rotating mounting frame 542. The rotating round table 543 is fixedly mounted on the lower side of the rotating mounting frame 542.

[0059] The fixed component 55 includes a rotating downward pressure cylinder 551, an eccentric pressure block 552, a central conformal positioning column 554 and a negative pressure tube 556. A conformal circular groove conforming to the impeller disk 9 is opened on the lower side of the rotating table 543, a central conformal positioning column 554 is fixedly installed in the middle of the rotating table 543, and a negative pressure tube 556 is fixedly installed on the upper side of the rotating table 543; a negative pressure groove 555 is opened on the lower side of the rotating table 543; the negative pressure tube 556 is connected to the negative pressure groove 555; the rotating downward pressure cylinder 551 is fixedly installed on the rotating table 543, and the output end of the rotating downward pressure cylinder 551 passes through the central conformal positioning column 554 and is fixedly connected to the eccentric pressure block 552.

[0060] In this embodiment, when the welding conveying mechanism 5 works normally, at the second loading station, the belt conveyor 41 drives the impeller disc 9 to move to the lower side of the rotating truncated table 543 through the limit table 411; at this time, a group of moving cylinders 532 drives the fixed mounting table 534 to move vertically downward under the limiting action of the guide rod 533, thereby driving the rotating downward pressure cylinder 551, the central conformal positioning column 554 and the eccentric pressure block 552 to move vertically downward; the eccentric pressure block 552 and the central conformal positioning column 554 are The column 554 passes through the middle of the impeller disc 9, and the rotating round table 543 is pressed against the upper side of the impeller disc 9; at this time, the impeller disc 9 is adsorbed by the negative pressure tube 556 and the fixing assembly 55, and at the same time, the rotating downward pressure cylinder 551 drives the eccentric pressure block 552 to rotate and press downward to fix the middle of the impeller disc 9; the moving cylinder 532 drives the fixed mounting platform 534 to move vertically upward, so that the impeller disc 9 is separated from the limit platform 411; then the cylinder linear slide 52 passes through the moving mounting frame 531 , the moving cylinder 532, the fixed mounting platform 534, and the rotating round table 543 drive the impeller disk 9 to move to the first welding station; the moving cylinder 532 drives the rotating round table 543 and the impeller disk 9 to move vertically downward through the fixed mounting platform 534, so that the impeller disk 9 is pressed against the blade 8, and the outer side of the blade 8 and the impeller disk 9 are welded together by the first welding robot 6; during the welding process, the upper rotating motor 541 drives the rotating mounting frame 542 and the rotating round table 543 to rotate synchronously with the material preparation mounting platform 214; the cylinder linear slide 52 drives the impeller disk 9 and the blade 8 to move to the second welding station through the moving mounting frame 531, the moving cylinder 532, the fixed mounting platform 534 and the rotating round table 543. At the second welding station, the upper rotating motor 541 drives the impeller disk 9 to rotate through the rotating mounting frame 542 and the rotating round table 543, and cooperates with the second welding robot 7 to weld the inner side of the blade 8 and the impeller disk 9 together to complete the complete welding.

[0061] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automated water pump impeller welding device, comprising a feeding rotary table (1), a blade feeding mechanism (3), an impeller disc feeding mechanism (4), a welding conveying mechanism (5), a first welding robot (6) and a second welding robot (7), characterized in that: Also includes a staggered limiting structure (2); The moving end of the feeding rotary table (1) is provided with a plurality of groups of staggered limiting structures (2) at equal intervals in a circular array; the staggered limiting structures (2) comprise a rotating module (21), a central limiting module (22) and an outer limiting module (23); the moving end of the feeding rotary table (1) is provided with a rotating module (21); the rotating module (21) is provided with a central limiting module (22) for limiting the inner sides of the plurality of blades (8); the rotating module (21) is provided with an outer limiting module (23) for limiting the outer sides of the plurality of blades (8); A blade loading mechanism (3) is arranged on the rear side of the feeding rotary table (1); a welding conveying mechanism (5) is installed on the front side of the feeding rotary table (1); and an impeller disk loading mechanism (4), a first welding robot (6) for welding the outer sides of a plurality of blades (8), and a second welding robot (7) for welding the inner sides of a plurality of blades (8) are arranged in sequence from left to right on the lower side of the welding conveying mechanism (5).

2. The automatic water pump impeller welding equipment according to claim 1 is characterized in that: The rotating module (21) comprises a fixed plate (211), a lower rotating motor (212), a rotating support frame (213) and a material preparation installation platform (214); the fixed plate (211) is fixedly mounted on the moving end of the feeding rotating platform (1); the lower rotating motor (212) is fixedly mounted on the lower side of the fixed plate (211); the rotating support frame (213) is rotatably mounted on the upper side of the fixed plate (211); and the material preparation installation platform (214) is fixedly mounted on the upper side of the rotating support frame (213); and the output end of the lower rotating motor (212) is fixedly connected to the rotating support frame (213).

3. The automatic water pump impeller welding equipment according to claim 2 is characterized in that: The center limiting module (22) comprises a fixed center block (221), the fixed center block (221) is fixedly mounted on the upper side of the material preparation mounting platform (214), and a plurality of inner limiting grooves (222) for limiting the inner side of the blade (8) are evenly arranged at equal intervals in a circular array on the outer side of the fixed center block (221).

4. The automatic water pump impeller welding equipment according to claim 3 is characterized in that: The outer limiting module (23) comprises a dislocation cylinder (231), a limiting rod (232) and a movable mounting plate (233); the dislocation cylinder (231) is fixedly mounted on the lower side of the material preparation mounting platform (214); the movable mounting plate (233) is fixedly mounted on the output end of the dislocation cylinder (231); the lower side of the movable mounting plate (233) is fixedly connected to one end of the limiting rod (232); the limiting rod (232) is slidingly connected to the material preparation mounting platform (214); a plurality of outer limiting grooves (234) for limiting the outer side of the blade (8) are evenly arranged at equal intervals in a circular array on the movable mounting plate (233); the outer limiting grooves (234) are aligned with the inner limiting grooves (222).

5. The automatic water pump impeller welding equipment according to claim 4, characterized in that: The blade feeding mechanism (3) comprises a feeding module (31), a material guiding module (32) and a material pressing module (33); the feeding module (31) is arranged on the rear side of the feeding rotary table (1); the feeding module (31) is provided with a material guiding module (32); the material guiding module (32) is provided with a material pressing module (33) for conveying blades (8) in the material guiding module (32) to the inner limiting groove (222) and the outer limiting groove (234).

6. The automatic water pump impeller welding equipment according to claim 5, characterized in that: The feeding module (31) comprises a feeding frame (311), a feeding motor (312), a threaded rod (313), a guide rail (314) and a feeding push plate (315); the feeding motor (312) is fixedly mounted on the feeding frame (311), one end of the threaded rod (313) is fixedly connected to the output end of the feeding motor (312), and the other end of the threaded rod (313) is rotatably connected to the feeding frame (311); the guide rail (314) is fixedly mounted on the feeding frame (311), the outer end of the feeding push plate (315) is limitedly slidably connected to the guide rail (314), and the outer end of the feeding push plate (315) is threadedly connected to the threaded rod (313) via a threaded sleeve.

7. The automatic water pump impeller welding equipment according to claim 1, characterized in that: The welding conveying mechanism (5) comprises a conveying support frame (51), a cylinder linear slide (52), a vertical moving module (53), a welding rotating structure (54) and a fixing assembly (55); the conveying support frame (51) is arranged on the front side of the feeding rotating table (1); the cylinder linear slide (52) is fixedly mounted on the conveying support frame (51); two groups of vertical moving modules (53) are mounted on the moving end of the cylinder linear slide (52); the welding rotating structure (54) is mounted on the vertical moving module (53); and the fixing assembly (55) for fixing the impeller disk (9) is mounted on the vertical moving module (53).

8. The automatic water pump impeller welding equipment according to claim 7, characterized in that: The vertical moving module (53) comprises a moving mounting frame (531), a moving cylinder (532), a guide rod (533) and a fixed mounting platform (534); the moving mounting frame (531) is fixedly mounted on the moving end of the cylinder linear slide (52); the moving cylinder (532) is fixedly mounted on the moving mounting frame (531); the output end of the moving cylinder (532) is fixedly connected to the fixed mounting platform (534); the upper side of the fixed mounting platform (534) is fixedly mounted with a guide rod (533); and the guide rod (533) is limitedly slidably connected to the moving mounting frame (531).

9. The automatic water pump impeller welding equipment according to claim 8, characterized in that: The welding rotating structure (54) comprises an upper rotating motor (541), a rotating mounting frame (542) and a rotating truncated table (543); the upper rotating motor (541) is fixedly mounted on the fixed mounting frame (534); the rotating mounting frame (542) is rotatably mounted on the fixed mounting frame (534); the output end of the upper rotating motor (541) is fixedly connected to the rotating mounting frame (542); and the rotating truncated table (543) is fixedly mounted on the lower side of the rotating mounting frame (542).

10. The automatic water pump impeller welding equipment according to claim 9, characterized in that: The fixing assembly (55) comprises a rotating downward pressure cylinder (551), an eccentric pressure block (552), a central conformal positioning column (554) and a negative pressure tube (556); a conformal circular groove conforming to the shape of the impeller disk (9) is provided on the lower side of the rotating truncated table (543); a central conformal positioning column (554) is fixedly installed in the middle of the rotating truncated table (543); and a negative pressure tube (556) is fixedly installed on the upper side of the rotating truncated table (543); A negative pressure groove (555) is provided on the lower side of the rotating truncated table (543); the negative pressure pipe (556) is connected to the negative pressure groove (555); the rotating downward pressure cylinder (551) is fixedly installed on the rotating truncated table (543), and the output end of the rotating downward pressure cylinder (551) passes through the central conformal positioning column (554) and is fixedly connected to the eccentric pressure block (552).

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