Laser welding machine for splicing stator into circle

Abstract

The utility model discloses a laser welding machine for splicing a stator into a circle, which relates to the technical field of automatic motor assembly equipment and comprises a workbench, a carrying mechanism, a press-fitting mechanism used for press-fitting the stator into a ring gauge, a welding mechanism used for welding the stator and a demolding mechanism used for demolding the ring gauge and the stator, the carrying mechanism is arranged on the workbench; the carrying mechanism is located among the press-fitting mechanism, the welding mechanism and the demolding mechanism. The demolding mechanism is provided with a material placing seat for placing the ring gauge and the stator and a limiting assembly for limiting the ring gauge, and the limiting assembly is positioned above the material placing seat; by adopting the carrying mechanism, the press-fitting mechanism, the welding mechanism and the demolding mechanism, carrying, press-fitting, welding and demolding of the stator and the ring gauge are automatically achieved, stator welding is facilitated, and the welding precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor automatic assembly equipment, in particular to a stator circular splicing laser welding machine. Background Art

[0002] A motor has a stator, which is formed by splicing several iron cores into a circle. The several iron cores are first preformed into a circle, and then a welding machine is used to weld the adjacent iron cores to form a firmly connected stator. The welding machines in the prior art do not automatically realize the handling, pressing, welding and demoulding of the stator and the ring gauge by adopting a handling mechanism, a pressing mechanism, a welding mechanism and a demoulding mechanism, which is not convenient for stator welding and the welding precision needs to be improved. Therefore, in view of this current situation, there is an urgent need to develop a stator circular splicing laser welding machine to meet the actual use requirements. Content of the Utility Model

[0003] In view of this, in view of the deficiencies existing in the prior art, the main purpose of the utility model is to provide a stator circular splicing laser welding machine, which automatically realizes the handling, pressing, welding and demoulding of the stator and the ring gauge by adopting a handling mechanism, a pressing mechanism, a welding mechanism and a demoulding mechanism, is convenient for stator welding, and improves the welding precision.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A stator circular splicing laser welding machine includes a workbench, a handling mechanism, a pressing mechanism for pressing a stator into a ring gauge, a welding mechanism for welding the stator, and a demoulding mechanism for demoulding the ring gauge and the stator. The handling mechanism is arranged on the workbench; the handling mechanism is located between the pressing mechanism, the welding mechanism and the demoulding mechanism; the demoulding mechanism has a feeding seat for placing the ring gauge and the stator and a limiting component for limiting the ring gauge, and the limiting component is located above the feeding seat.

[0006] As a preferred solution: the limiting component includes a limiting driving cylinder and a limiting plate. The limiting driving cylinder is vertically arranged beside the feeding seat, the limiting plate is installed at the shaft end of the limiting driving cylinder, and the limiting plate can be lowered to press and fix the upper surface of the ring gauge.

[0007] As a preferred solution: the limiting component further includes a positioning plate, a pushing driving cylinder and a pushing block. The pushing block is installed at the shaft end of the pushing driving cylinder, and the pushing block can be movably abutted against the lower surface of the positioning plate.

[0008] As a preferred solution: the demoulding mechanism further includes a top material component for jacking up and discharging the stator in the ring gauge. The top material component includes a top material driving motor and a top material disc. The top material disc is installed at the output end of the top material driving motor, and the top material disc can be raised to abut against the lower surface of the stator.

[0009] As a preferred solution: The welding mechanism includes a bracket, a rotary drive assembly for driving the rotation of the ring gauge and the stator, a pressing assembly for pressing and fixing the ring gauge, and a laser welding machine for welding the stator. The pressing assembly is located above the rotary drive assembly, and the welding machine faces the stator in the rotary drive assembly.

[0010] As a preferred solution: The rotary drive assembly includes a rotary drive motor and a rotary tray. The rotary drive motor is installed on the lower side of the bracket, the rotary tray is installed at the output end of the rotary drive motor, and the stator and the ring gauge are placed in the rotary tray.

[0011] As a preferred solution: The pressing assembly includes a pressing drive cylinder and a pressing disc. The pressing drive cylinder is installed on the upper side of the bracket, the pressing disc is rotatably installed at the shaft end of the pressing drive cylinder, and the pressing disc can descend to abut against the upper surface of the ring gauge.

[0012] As a preferred solution: The press-fitting mechanism includes a bracket, a lifting drive assembly, a jacking assembly, a chuck assembly, and a pressing-down assembly. The jacking assembly is installed at the output end of the lifting drive assembly, the chuck assembly is installed at the output end of the jacking assembly, the lifting drive assembly is installed on the lower side of the bracket, the pressing-down assembly is installed on the upper side of the bracket, and the pressing-down assembly is located above the chuck assembly; The chuck assembly includes a chuck drive device, a rotating disc, and a plurality of abutting blocks. The rotating disc is installed at the output end of the chuck drive device, and the plurality of abutting blocks are radially movable along the rotating disc and are distributed in the rotating disc.

[0013] As a preferred solution: A plurality of arc-shaped grooves are evenly spaced along the circumference of the rotating disc, the abutting blocks are movably located in the arc-shaped grooves, and the plurality of abutting blocks correspond to the plurality of arc-shaped grooves one by one.

[0014] As a preferred solution: The chuck drive device includes a rotating motor, a gear, and a rack. The rotating motor is installed at the output end of the jacking assembly, the gear is installed at the shaft end of the rotating motor, the gear meshes with the rack, and the rack is connected to the rotating disc.

[0015] Compared with the prior art, the present utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solutions, through the adoption of the handling mechanism, the press-fitting mechanism, the welding mechanism, and the demolding mechanism, the handling, press-fitting, welding, and demolding of the stator and the ring gauge are realized automatically, which is convenient for stator welding and improves the welding precision; By adopting the limiting component, the limiting of the ring gauge is realized, which is convenient for demolding and separating the stator from the ring gauge; Through the adoption of the press-fitting mechanism, the lifting, jacking, abutting, and press-fitting of the stator are realized automatically, and the stator and the ring gauge are tightly pressed together, which is convenient for subsequent welding of the stator.

[0016] In order to more clearly illustrate the structural features and effects of the present invention, it is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural diagram of the stator circular laser welding machine of the utility model;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the ring stator pressing mechanism of the utility model from the first perspective;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the ring stator press-fitting mechanism of the utility model from a second viewing angle;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the ring stator press-fitting mechanism of the utility model from the third viewing angle;

[0021] Figure 5 This is a three-dimensional structural diagram of the main part of the chuck assembly of the utility model (excluding the rotating motor and gear);

[0022] Figure 6 It is a three-dimensional structural diagram of the welding mechanism of the utility model;

[0023] Figure 7 It is a three-dimensional structural schematic diagram of the demoulding mechanism of the utility model.

[0024] Description of the accompanying drawings:

[0025] In the figure: 10, workbench; 20, transport mechanism; 21, horizontal transport drive assembly; 22, vertical transport drive assembly; 30, press-fitting mechanism; 31, bracket; 32, lifting drive assembly; 321, electric cylinder; 322, lifting slide; 33, lifting assembly; 331, lifting drive cylinder; 332, lifting material seat; 34, chuck assembly; 341, rotating motor; 342, gear; 343, rack; 344, rotating disk; 3441, arc groove; 345, abutment block; 346, material sensor; 35, pressing assembly Parts; 351, downward pressure drive cylinder; 352, pressure plate; 40, welding mechanism; 41, rotation drive assembly; 411, rotation drive motor; 412, rotating material tray; 42, pressing assembly; 421, pressing drive cylinder; 422, pressing plate; 43, laser welding machine; 50, demoulding mechanism; 51, limiting assembly; 511, limiting drive cylinder; 512, limiting plate; 513, positioning plate; 514, push drive cylinder; 515, push block; 52, ejecting assembly; 521, ejecting drive motor; 522, ejecting plate. DETAILED DESCRIPTION

[0026] The utility model Figures 1 to 7As shown in the figure, a stator circular welding machine includes a workbench 10, a handling mechanism 20, a pressing mechanism 30 for pressing the stator into a ring gauge, a welding mechanism 40 for welding the stator, and a demolding mechanism 50 for demolding the ring gauge and the stator. Among them:

[0027] The handling mechanism 20 is arranged on the workbench 10; the handling mechanism 20 is located between the pressing mechanism 30, the welding mechanism 40 and the demolding mechanism 50; the demolding mechanism 50 has a feeding seat for placing the ring gauge and the stator and a limiting component 51 for limiting the ring gauge, and the limiting component 51 is located above the feeding seat.

[0028] The handling mechanism 20 transports the ring gauge to the pressing mechanism 30, the pressing mechanism 30 presses the stator and the ring gauge together, the handling mechanism 20 transports the pressed stator and ring gauge to the welding mechanism 40, the welding mechanism 40 welds the stator, the handling mechanism 20 transports the welded stator and ring gauge to the feeding seat of the demolding mechanism 50, the limiting component 51 limits the ring gauge, and the demolding mechanism 50 demolds and separates the stator from the ring gauge.

[0029] By adopting the handling mechanism 20, the pressing mechanism 30, the welding mechanism 40 and the demolding mechanism 50, the handling, pressing, welding and demolding of the stator and the ring gauge are realized automatically, which is convenient for stator welding and improves the welding precision; by adopting the limiting component 51 to realize the limitation of the ring gauge, it is convenient to demold and separate the stator from the ring gauge.

[0030] The handling mechanism 20 includes a horizontal handling driving component 21, a vertical handling driving component 22 and a clamping cylinder. The vertical handling driving component 22 is installed at the output end of the horizontal handling driving component 21, and the clamping cylinder is installed at the output end of the vertical handling driving component 22. Both the horizontal handling driving component 21 and the vertical handling driving component 22 include a driving motor, a lead screw and a sliding seat. The lead screw is installed at the shaft end of the driving motor, and the lead screw is rotationally matched with the sliding seat.

[0031] The pressing mechanism 30 includes a bracket 31, a lifting driving component 32, a jacking component 33, a chuck component 34 and a pressing-down component 35. Among them:

[0032] The jacking component 33 is installed at the output end of the lifting driving component 32, the chuck component 34 is installed at the output end of the jacking component 33, the lifting driving component 32 is installed on the lower side of the bracket 31, the pressing-down component 35 is installed on the upper side of the bracket 31, and the pressing-down component 35 is located above the chuck component 34; the chuck component 34 includes a chuck driving device, a rotating disk 344 and a plurality of abutting blocks 345. The rotating disk 344 is installed at the output end of the chuck driving device, and the plurality of abutting blocks 345 are radially movable and distributed in the rotating disk 344.

[0033] The stator is placed on the chuck assembly 34. The lifting drive assembly 32 drives the chuck assembly 34 to move upward. The output end of the pressing-down assembly 35 descends to press and fix the stator in the chuck assembly 34. The chuck drive device drives the rotary disk 344 to rotate by an angle. The rotation of the rotary disk 344 drives a plurality of abutting blocks 345 to move radially along the rotary disk 344, thereby abutting against the stator. The ring gauge is placed at the output end of the pressing-down assembly 35. The output end of the pressing-down assembly 35 drives the ring gauge to descend. The jacking assembly 33 jacks up the chuck assembly 34, so that the stator in the chuck assembly 34 is pressed and fitted with the ring gauge.

[0034] By using the lifting drive assembly 32, the jacking assembly 33, the chuck assembly 34 and the pressing-down assembly 35, the lifting, jacking, tightening and pressing of the stator are realized automatically, and the stator is tightly pressed and fitted with the ring gauge, which is convenient for subsequent welding of the stator. By using the chuck drive device, the abutting of a plurality of abutting blocks 345 against the stator is realized automatically, the position limit of the stator is realized, and the position deviation of the stator during the pressing process is prevented, thereby improving the pressing accuracy.

[0035] A plurality of arc-shaped grooves 3441 are evenly distributed along the circumferential direction of the rotary disk 344. The abutting blocks 345 are movably located in the arc-shaped grooves 3441, and the plurality of abutting blocks 345 correspond to the plurality of arc-shaped grooves 3441 one by one.

[0036] By using the cooperation of the arc-shaped grooves 3441 and the abutting blocks 345, the abutting blocks 345 are enabled to move radially along the rotary disk 344.

[0037] The chuck drive device includes a rotary motor 341, a gear 342 and a rack 343. The rotary motor 341 is installed at the output end of the jacking assembly 33. The gear 342 is installed at the shaft end of the rotary motor 341. The gear 342 meshes with the rack 343. The rack 343 is connected to the rotary disk 344. By using the rotary motor 341, the gear 342 and the rack 343, the rotation accuracy of the rotary disk 344 is improved.

[0038] A material sensor 346 for sensing whether there is a stator is arranged beside the chuck assembly 34.

[0039] The jacking assembly 33 includes a jacking drive cylinder 331 and a jacking seat 332. The jacking drive cylinder 331 is installed at the output end of the lifting drive assembly 32. The jacking seat 332 is installed at the shaft end of the jacking drive cylinder 331. The chuck assembly 34 is installed on the jacking seat 332.

[0040] The jacking drive cylinder 331 drives the jacking seat 332 to rise, and the chuck assembly 34 rises with the jacking seat 332.

[0041] The pressing-down component 35 includes a pressing-down driving cylinder 351 and a pressing plate 352. The pressing-down driving cylinder 351 is installed on the upper side of the bracket 31, and the pressing plate 352 is installed at the shaft end of the pressing-down driving cylinder 351.

[0042] The pressing-down driving cylinder 351 drives the pressing plate 352 to descend, first pressing the stator firmly in the chuck assembly 34, and then pressing down the ring gauge so that the stator and the ring gauge are pressed together.

[0043] The lifting driving component 32 includes an electric cylinder 321 and a lifting slide 322. The electric cylinder 321 is installed on the lower side of the bracket 31, and the lifting slide 322 is installed at the output end of the electric cylinder 321.

[0044] The electric cylinder 321 drives the lifting slide 322 to move vertically, thereby driving the jacking component 33 and the chuck assembly 34 to lift and lower synchronously.

[0045] There are two jacking driving cylinders 331, and the two jacking driving cylinders 331 are symmetrically distributed at the output end of the lifting driving component 32.

[0046] By using two jacking driving cylinders 331 to drive the jacking seat 332 to lift and lower, the stability of the jacking seat 332 during the rising process is improved.

[0047] The welding mechanism 40 includes a bracket, a rotary driving component 41 for driving the ring gauge and the stator to rotate, a pressing component 42 for pressing the ring gauge, and a laser welding machine 43 for welding the stator. The pressing component 42 is located above the rotary driving component 41, and the welding machine faces the stator in the rotary driving component 41.

[0048] The rotary driving component 41 drives the ring gauge and the stator to rotate. The pressing component 42 presses on the upper surface of the ring gauge, and the laser welding machine 43 welds the stator.

[0049] The rotary driving component 41 includes a rotary driving motor 411 and a rotary tray 412. The rotary driving motor 411 is installed on the lower side of the bracket, the rotary tray 412 is installed at the output end of the rotary driving motor 411, and the stator and the ring gauge are placed in the rotary tray 412.

[0050] The pressing component 42 includes a pressing driving cylinder 421 and a pressing plate 422. The pressing driving cylinder 421 is installed on the upper side of the bracket, the pressing plate 422 is rotatably installed at the shaft end of the pressing driving cylinder 421, and the pressing plate 422 can descend to abut against the upper surface of the ring gauge.

[0051] By using the pressing component 42 to press the ring gauge, the movement of the ring gauge during the welding process is prevented, and the welding precision is improved; by using the rotary driving component 41 to drive the stator to rotate by an angle, the angle requirement of the stator during welding is met.

[0052] The limiting component 51 includes a limiting driving cylinder 511 and a limiting plate 512. The limiting driving cylinder 511 is vertically arranged beside the blanking seat. The limiting plate 512 is installed at the shaft end of the limiting driving cylinder 511, and the limiting plate 512 can be lowered to press and fix the upper surface of the ring gauge.

[0053] The limiting component 51 further includes a positioning plate 513, a pushing driving cylinder 514 and a pushing block 515. The pushing block 515 is installed at the shaft end of the pushing driving cylinder 514, and the pushing block 515 can be movably abutted against the lower surface of the positioning plate 513.

[0054] The limiting driving cylinder 511 drives the limiting plate 512 to descend to realize the limiting of the ring gauge. The positioning of the limiting plate 512 is realized by using the positioning plate 513, the pushing driving cylinder 514 and the pushing block 515 to ensure the fixed position of the ring gauge when the stator is demolded from the ring gauge.

[0055] The demolding mechanism 50 further includes a pushing component 52 for jacking up and discharging the stator in the ring gauge. The pushing component 52 includes a pushing driving motor 521 and a pushing disk 522. The pushing disk 522 is installed at the output end of the pushing driving motor 521, and the pushing disk 522 can be raised to abut against the lower surface of the stator. The pushing component 52 jacks up the stator out of the ring gauge.

[0056] The using method and principle of the stator circular welding machine are as follows:

[0057] The handling mechanism transports the ring gauge to the pressing mechanism, the pressing mechanism presses the stator and the ring gauge together, the handling mechanism transports the pressed stator and ring gauge to the welding mechanism, the welding mechanism welds the stator, the handling mechanism transports the welded stator and ring gauge to the blanking seat of the demolding mechanism, the limiting component limits the ring gauge, and the demolding mechanism demolds and separates the stator from the ring gauge.

[0058] The design focus of the present utility model is that through the use of the handling mechanism, the pressing mechanism, the welding mechanism and the demolding mechanism, the handling, pressing, welding and demolding of the stator and the ring gauge are realized automatically, which is convenient for stator welding and improves the welding precision. Through the use of the limiting component, the limiting of the ring gauge is realized, which is convenient for demolding and separating the stator from the ring gauge. Through the use of the pressing mechanism, the lifting, jacking, tightening and pressing of the stator are realized automatically, and the stator and the ring gauge are tightly pressed together, which is convenient for the subsequent welding of the stator.

[0059] The above is only the preferred embodiment of the present utility model, and does not impose any limitation on the technical scope of the present utility model. Therefore, any minor modification, equivalent change and modification made to the above embodiments according to the technical essence of the present utility model still belong to the scope of the technical solution of the present utility model.

Claims

1. A stator circular laser welding machine, characterized in that: The invention comprises a workbench, a conveying mechanism, a pressing mechanism for pressing the stator into the ring gauge, a welding mechanism for welding the stator, and a demoulding mechanism for demoulding the ring gauge and the stator. The conveying mechanism is arranged on the workbench; the conveying mechanism is located between the pressing mechanism, the welding mechanism and the demoulding mechanism; the demoulding mechanism has a discharge seat for placing the ring gauge and the stator and a limiting component for limiting the position of the ring gauge, and the limiting component is located above the discharge seat.

2. The stator circular laser welding machine according to claim 1 is characterized in that: The limit assembly includes a limit driving cylinder and a limit plate. The limit driving cylinder is vertically arranged beside the discharge seat, and the limit plate is installed on the shaft end of the limit driving cylinder. The limit plate can be lowered and pressed onto the upper surface of the ring gauge.

3. The stator circular laser welding machine according to claim 1, characterized in that: The limiting assembly also includes a positioning plate, a push driving cylinder and a push block. The push block is installed on the shaft end of the push driving cylinder and is movably abutted against the lower surface of the positioning plate.

4. The stator circular laser welding machine according to claim 1, characterized in that: The demoulding mechanism also includes a material ejection assembly for ejecting the stator in the ring gauge. The material ejection assembly includes a material ejection drive motor and a material ejection plate. The material ejection plate is installed at the output end of the material ejection drive motor. The material ejection plate can be lifted and abutted against the lower surface of the stator.

5. The stator circular laser welding machine according to claim 1, characterized in that: The welding mechanism includes a bracket, a rotating drive assembly for driving the ring gauge and the stator to rotate, a pressing assembly for pressing the ring gauge and a laser welding machine for welding the stator. The pressing assembly is located above the rotating drive assembly, and the welding machine is directed toward the stator in the rotating drive assembly.

6. The stator circular laser welding machine according to claim 5, characterized in that: The rotary drive assembly comprises a rotary drive motor and a rotary material tray. The rotary drive motor is mounted on the lower side of the bracket, the rotary material tray is mounted on the output end of the rotary drive motor, and the stator and the ring gauge are placed in the rotary material tray.

7. The stator circular laser welding machine according to claim 5, characterized in that: The pressing assembly includes a pressing drive cylinder and a pressing plate. The pressing drive cylinder is installed on the upper side of the bracket. The pressing plate is rotatably installed on the axial end of the pressing drive cylinder. The pressing plate can be lowered to abut against the upper surface of the ring gauge.

8. The stator circular laser welding machine according to claim 1, characterized in that: The pressing mechanism includes a bracket, a lifting drive assembly, a lifting assembly, a chuck assembly and a pressing assembly. The lifting assembly is installed at the output end of the lifting drive assembly, the chuck assembly is installed at the output end of the lifting assembly, the lifting drive assembly is installed on the lower side of the bracket, the pressing assembly is installed on the upper side of the bracket, and the pressing assembly is located above the chuck assembly; the chuck assembly includes a chuck drive device, a rotating disk and a plurality of abutment blocks. The rotating disk is installed at the output end of the chuck drive device, and the plurality of abutment blocks can be distributed in the rotating disk in a radially movable manner along the rotating disk.

9. The stator circular laser welding machine according to claim 8, characterized in that: The rotating disk is provided with a plurality of arc grooves evenly distributed along its circumference, the abutment blocks are movably located in the arc grooves, and the plurality of abutment blocks correspond to the plurality of arc grooves one by one.

10. The stator circular laser welding machine according to claim 8, characterized in that: The chuck driving device comprises a rotating motor, a gear and a rack. The rotating motor is installed at the output end of the jacking assembly, the gear is installed at the shaft end of the rotating motor, the gear is meshed with the rack, and the rack is connected to the rotating disk.

Images