阅读说明：本技术 一种电机定子扭斜焊接机 (Motor stator skew welding machine ) 是由 林启发 张帮伟 于 2021-08-03 设计创作，主要内容包括：本发明涉及一种电机定子扭斜焊接机,包括机架；上料组件；扭斜组件,包括扭斜部和扭斜部驱动源,扭斜部包括摆动底座和设置在摆动底座上的扭斜片,摆动底座一端通过枢轴活动连接,摆动底座能够以枢轴为轴心周向摆动,扭斜部驱动源带动扭斜部中的扭斜片插入到定子周面由多片冲片堆叠形成的竖槽中；压接旋转组件,设置在扭斜组件的上方,当扭斜片插入到定子的竖槽后,压接旋转组件与摆动底座衔接,带动所述摆动底座转动,通过扭斜片挤压多片堆叠设置的冲片,使多片冲片扭斜堆叠；焊接组件,对多片扭斜堆叠的冲片进行焊接固定。本发明在产品叠压完成后进行扭斜工艺处理和原位焊接处理,保证扭斜角度及冲片整齐一致,提高电机定子扭斜效率。(The invention relates to a motor stator skew welding machine, which comprises a frame; a feeding assembly; the skew component comprises a skew part and a skew part driving source, the skew part comprises a swing base and skew pieces arranged on the swing base, one end of the swing base is movably connected through a pivot, the swing base can swing circumferentially by taking the pivot as an axis, and the skew part driving source drives the skew pieces in the skew part to be inserted into a vertical groove formed by stacking a plurality of punching pieces on the circumferential surface of the stator; the compression joint rotating assembly is arranged above the skew assembly, and is connected with the swing base after the skew sheets are inserted into the vertical slots of the stator to drive the swing base to rotate, and the skew sheets extrude a plurality of stacked punching sheets to stack the punching sheets in a skew manner; and the welding assembly is used for welding and fixing the plurality of the obliquely stacked punching sheets. According to the invention, the product is subjected to skew process treatment and in-situ welding treatment after being laminated, so that the skew angle and the punching sheet are uniform, and the skew efficiency of the motor stator is improved.)

1. The utility model provides a motor stator skew welding machine, includes the frame, its characterized in that: the frame is provided with:

a feeding assembly;

the skew assembly is arranged on the side face of the feeding assembly and comprises a skew part and a skew part driving source, the skew part comprises a swinging base and skew pieces arranged on the swinging base, one end of the swinging base is movably connected through a pivot, the swinging base can circumferentially swing by taking the pivot as an axis, and the skew part driving source drives the skew pieces in the skew part to be inserted into a vertical groove formed by stacking a plurality of punching pieces on the peripheral surface of a stator;

the compression joint rotating assembly is arranged above the skew assembly, and is connected with the swing base to drive the swing base to rotate after the skew sheets are inserted into the vertical slots of the stator, and the plurality of stacked punching sheets are extruded by the skew sheets to be skew stacked;

and the welding assembly is used for welding and fixing the plurality of the obliquely stacked punching sheets.

2. The motor stator skew welding machine of claim 1, wherein: the skew subassembly is still including setting up the keysets between skew portion and the skew portion driving source of turning round, swing base passes through pivot swing joint and is in on the keysets, still be provided with the spacing seat of restriction swing base swing angle on the keysets, be provided with in the spacing seat and run through swing base's spacing horizontal pole be provided with the bar hole that supplies spacing horizontal pole to pass on the swing base.

3. The motor stator skew welding machine of claim 2, wherein: and the limiting seat is also provided with a reset spring for pulling the swinging base and a limiting block for abutting against the swinging base.

4. The motor stator skew welding machine of claim 1, wherein: including two sets of skew subassemblies, it is two sets of the symmetry sets up in motor stator's both sides respectively of skew subassembly, and is two sets of swing base in the skew subassembly is driven by same crimping rotating assembly, and is two sets of swing base wobbling direction is unanimous with wobbling angle.

5. The motor stator skew welding machine of claim 1, wherein: the feeding assembly comprises an indexing turntable, a turntable driving source and a turntable positioning assembly, the indexing turntable is connected with the turntable driving source through a rotating shaft, the turntable driving source drives the indexing turntable to rotate, and the turntable positioning assembly fixes the position of the rotated indexing turntable; the indexing turntable is provided with at least two groups of stator supporting bases, the motor stator is placed on the stator supporting bases, and the stator loading and unloading actions are completed through the indexing turntable.

6. The motor stator skew welding machine of claim 1, wherein: the crimping rotating assembly comprises a crimping cover, a linking block connected with the swinging base is arranged at one end of the crimping cover, and a gear connected with the rotating driving source is arranged at the other end of the crimping cover.

7. The motor stator skew welding machine of claim 1, wherein: the welding assembly comprises a welding gun support, a welding gun driving module and a welding gun head, the welding gun driving module comprises a sliding rail arranged on the welding gun support, a sliding block moving along the sliding rail and a sliding block driving source driving the sliding block to move, and the welding gun head is movably connected to the sliding block.

8. The motor stator skew welding machine of claim 1, wherein: the motor stator punching sheet welding fixture comprises two groups of welding assemblies which are symmetrically arranged on two sides of a motor stator, and the welding assemblies are used for welding and fixing multiple punching sheets stacked in a skew mode.

9. The motor stator skew welding machine of claim 1, wherein: still be provided with the lifting unit who drives crimping rotating assembly and welder subassembly and remove in the frame, lifting unit is including the crimping board that is used for bearing crimping rotating assembly and the mounting panel that is used for installing welding assembly, the crimping board is driven by crimping board lift drive source and is removed to turning round the skew portion, the mounting panel is driven by the screw rod lift to realize reciprocating of welding assembly, be provided with the rotatory graduation carousel of drive welding assembly under the mounting panel, drive welding assembly through screw rod lift and graduation carousel and do circumference lift welding.

10. The motor stator skew welding machine of claim 1, wherein: and the frame is also provided with a welding smoke dust hood.

Technical Field

The invention relates to the technical field of motor stator production equipment, in particular to a motor stator skew welding machine.

Background

The permanent magnet synchronous motor has the advantages of simple structure, small size, high efficiency, high power factor and the like. The permanent magnet motor stator adopts the skewed slot design, can reduce the loss that the tooth harmonic arouses, noise reduction. The manufacturing process of the skewed slot of the stator core generally comprises the steps of sleeving a stator punching sheet on a mould and laminating, and ensuring accurate skew angle and neat and consistent lamination of the punching sheet through process assembly.

The original manufacturing process is that stator punching internal diameter and punching notch location will be punched one by one and imbed the location inner tube of a tyre, be equipped with the technology key on the straight flute of inner tube of a tyre to the slope control of realization fold and press towards the piece is pressfitting, welding.

The original equipment has the following problems in the stator punching sheet assembling process:

1. the process of positioning skew is complex, the stator punching sheets need to be assembled one by one through inner diameter positioning, and the assembly efficiency is low;

2. after the skew is laminated, the stator punching sheet cannot be fastened immediately, and the situation of displacement easily occurs in the process of transferring the material to the next station.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the technical defects of positioning skew in the prior art, and provide a motor stator skew welding machine which is provided with a skew assembly, a compression joint rotating assembly and a welding assembly, wherein the skew process treatment is carried out after the product is laminated, and the in-situ welding treatment is carried out after the skew is finished, so that the skew angle and punching sheets are ensured to be uniform, and the motor stator skew efficiency is improved.

In order to solve the technical problem, the invention provides a motor stator skew welding machine, which comprises a frame, wherein the frame is provided with:

a feeding assembly;

the skew assembly is arranged on the side face of the feeding assembly and comprises a skew part and a skew part driving source, the skew part comprises a swinging base and skew pieces arranged on the swinging base, one end of the swinging base is movably connected through a pivot, the swinging base can circumferentially swing by taking the pivot as an axis, and the skew part driving source drives the skew pieces in the skew part to be inserted into a vertical groove formed by stacking a plurality of punching pieces on the peripheral surface of a stator;

the compression joint rotating assembly is arranged above the skew assembly, and is connected with the swing base to drive the swing base to rotate after the skew sheets are inserted into the vertical slots of the stator, and the plurality of stacked punching sheets are extruded by the skew sheets to be skew stacked;

and the welding assembly is used for welding and fixing the plurality of the obliquely stacked punching sheets.

In an embodiment of the present invention, the skew component further includes an adapter plate disposed between the skew portion and the skew portion driving source, the swing base is movably connected to the adapter plate through a pivot, the adapter plate is further provided with a limiting seat for limiting a swing angle of the swing base, the limiting seat is internally provided with a limiting cross rod penetrating through the swing base, and the swing base is provided with a strip-shaped hole for the limiting cross rod to pass through.

In an embodiment of the invention, the limit seat is further provided with a return spring for pulling the swing base and a limit block for abutting against the swing base.

In one embodiment of the invention, the motor comprises two groups of skew assemblies, the two groups of skew assemblies are respectively and symmetrically arranged on two sides of a motor stator, swing bases in the two groups of skew assemblies are driven by the same crimping rotating assembly, and the swing directions and swing angles of the two groups of swing bases are consistent.

In one embodiment of the invention, the feeding assembly comprises an indexing turntable, a turntable driving source and a turntable positioning assembly, the indexing turntable is connected with the turntable driving source through a rotating shaft, the turntable driving source drives the indexing turntable to rotate, and the turntable positioning assembly fixes the position of the rotated indexing turntable; the indexing turntable is provided with at least two groups of stator supporting bases, the motor stator is placed on the stator supporting bases, and the stator loading and unloading actions are completed through the indexing turntable.

In one embodiment of the invention, the crimping rotating assembly comprises a crimping cover, one end of the crimping cover is provided with an engaging block connected with the swinging base, and the other end of the crimping cover is provided with a gear connected with the rotating driving source.

In an embodiment of the invention, the welding assembly includes a welding gun support, a welding gun driving module and a welding gun head, the welding gun driving module includes a slide rail arranged on the welding gun support, a slide block moving along the slide rail, and a slide block driving source driving the slide block to move, and the welding gun head is movably connected to the slide block.

In one embodiment of the invention, the motor stator comprises two groups of welding assemblies, wherein the two groups of welding assemblies are symmetrically arranged on two sides of the motor stator, and the two groups of welding assemblies are used for simultaneously welding and fixing a plurality of pieces of skew stacked punching sheets.

In one embodiment of the invention, the rack is further provided with a lifting assembly for driving the crimping rotating assembly and the welding gun assembly to move, the lifting assembly comprises a crimping plate for bearing the crimping rotating assembly and a mounting plate for mounting the welding assembly, the crimping plate is driven by a crimping plate lifting driving source to move towards the skew part, the mounting plate is driven by a screw rod lifter so as to realize the up-and-down movement of the welding assembly, an indexing turntable for driving the welding assembly to rotate is arranged below the mounting plate, and the welding assembly is driven by the screw rod lifter and the indexing turntable to perform circumferential lifting welding.

In one embodiment of the invention, a welding fume dust hood is further arranged on the machine frame.

Compared with the prior art, the technical scheme of the invention has the following advantages:

the motor stator skew welding machine is provided with the feeding assembly, the skew assembly, the crimping rotating assembly and the welding assembly, so that the integrated whole process from feeding of a motor stator to skew of punching sheets and final welding of the motor stator is realized, the overall efficiency of motor stator skew is improved, and in-situ fixed welding after motor stator punching sheets are skewed is realized; through skew subassembly and crimping rotating assembly cooperation, insert the skew piece into the recess that the piece formed after piling up towards the piece, it is fixed through the pivot one end of piece that will turn round the skew piece, the other end swings under crimping rotating assembly's the drive, realizes the whole skew to a plurality of piles up the piece of punching, guarantees that skew angle and punching are neat unanimous.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic view of the overall construction of a motor stator skew welding machine of the present invention;

FIG. 2 is a schematic structural view of a loading assembly of the present invention;

fig. 3 is a schematic structural view of a skew assembly of the present invention;

FIG. 4 is a schematic structural view of the crimping swivel assembly of the present invention;

FIG. 5 is a schematic view of the structure of the welded assembly of the present invention;

fig. 6 is a schematic structural view of the lifting assembly of the present invention.

The specification reference numbers indicate: 1. a frame; 2. a feeding assembly; 21. indexing the rotary table; 22. a turntable drive source; 23. a stator support base; 3. a skew assembly; 31. a skew drive source; 32. a swing base; 33. twisting the oblique sheet; 34. an adapter plate; 35. a limiting seat; 36. a limiting cross bar; 37. a strip-shaped hole; 38. a return spring; 39. a limiting block; 4. crimping the rotating assembly; 41. a crimping cover; 42. a joining block; 43. a gear; 5. welding the assembly; 51. a welding gun support; 52. a welding gun driving module; 53. a welding gun head; 6. a lifting assembly; 61. a pressure welding plate; 62. a compression joint plate lifting driving source; 63. mounting a plate; 64. a screw elevator; 65. a guide post; 7. a smoke dust hood;

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Referring to fig. 1, the motor stator skew welding machine of the present invention includes a frame 1, where the frame 1 is provided with: the feeding assembly 2, the skew assembly 3, the crimping rotating assembly 4 and the welding assembly 5 realize an integrated whole process from feeding of a motor stator to skew of punching sheets and final welding, improve the overall efficiency of the motor stator skew, and realize in-situ fixed welding after the motor stator punching sheets are skewed;

specifically, the feeding assembly 2 is used for carrying and transporting a motor stator, the motor stator is conveyed to the side face of the skew assembly 3, the skew assembly 3 is matched with the crimping rotating assembly 4 to skew a plurality of stacked punching sheets, and the welding assembly 5 is used for welding the stacked and skewed punching sheets;

specifically, when the skew assembly 3 and the crimping rotating assembly 4 are matched, the crimping rotating assembly 4 is needed to drive the skew assembly to swing after being connected with the skew assembly 3 from the upper side, and in the welding process, the welding assembly 5 needs to be driven to move, so that the multiple punching sheets are welded one by one, therefore, the motor stator skew welding machine in the embodiment further comprises a lifting assembly 6 which is arranged on the rack 1 and drives the crimping rotating assembly 4 and the welding gun assembly 5 to move, the lifting assembly comprises two groups of lifting systems, one group of lifting system drives the crimping rotating assembly 4 and the welding gun assembly 5 to lift simultaneously, and the other group of lifting system drives the welding assembly 5 to independently drive and control the welding assembly 5 to lift and perform welding when the stator is welded.

Specifically, in the welding process, in order to clean the welding slag, a welding fume dust hood 7 is further arranged on the machine frame 1.

Referring to fig. 2, the feeding assembly 2 includes an indexing turntable 21, a turntable driving source 22 and a turntable positioning assembly, the indexing turntable 21 is connected to the turntable driving source 22 through a rotating shaft, the turntable driving source 22 drives the indexing turntable 21 to rotate, the indexing turntable 21 can control a rotation angle, and the turntable positioning assembly fixes the position of the rotated indexing turntable 21; at least two sets of stator support bases 23 are arranged on the indexing rotary table 21, the motor stator is placed on the stator support bases 23, the feeding and discharging actions of the stator are completed through the indexing rotary table 21, when skew and welding treatment are performed on one set of stator support bases 23, the motor stator to be treated is placed on the other set of stator support bases 23, after skew and welding treatment are completed, the indexing rotary table 21 rotates to drive welded motor stator blanking, and meanwhile, the motor stator to be treated is driven to be fed.

Referring to fig. 3, the skew assembly 3 is disposed on a side surface of the feeding assembly 2, and includes a skew portion and a skew portion driving source 31, the skew portion includes a swing base 32 and a skew piece 33 disposed on the swing base 32, one end of the swing base 32 is movably connected through a pivot, the swing base can circumferentially swing with the pivot as an axis, and the skew portion driving source 31 drives the skew piece 33 in the skew portion to be inserted into a vertical groove formed by stacking a plurality of punching sheets on a circumferential surface of a stator;

specifically, the skew component 3 further includes an adapter plate 34 disposed between the skew portion and the skew portion driving source 31, the swing base 32 is movably connected to the adapter plate 34 through a pivot, the adapter plate 34 is further provided with a limiting seat 35 for limiting a swing angle of the swing base 32, a limiting cross rod 36 penetrating through the swing base 32 is disposed in the limiting seat 35, the swing base 32 is provided with a strip-shaped hole 37 for the limiting cross rod 36 to pass through, and in a swing process of the swing base 32, the limiting cross rod 36 can slide in the strip-shaped hole 37 to prevent the skew sheet from being clamped in a vertical groove formed by stacking a plurality of punching sheets;

in this embodiment, still be provided with the reset spring 38 and the stopper 39 of butt swing base 32 that stimulate swing base 32 on the spacing seat 35, through setting up reset spring 38, after the welding is accomplished, will turn round oblique piece 33 and pull back initial position, set up stopper 39 in one side of swing base 32, can restrict the direction of swing base 32 on the one hand, on the other hand, guarantee that reset spring 38 is pulling back swing base 32 after, the butt is to swing base 32 on, guarantee the uniformity of swing base 32's initial position.

In this embodiment, set up two sets of skew subassemblies 3, two sets of skew subassembly 3 symmetry respectively sets up in motor stator's both sides, and is two sets of swing base 32 in the skew subassembly 3 is driven by same crimping rotating assembly 4, and is two sets of swing base 32 wobbling direction is unanimous with wobbling angle, and through setting up two sets of skew pieces 33, shares the skew power that the skew piece 33 produced at the skew in-process.

In this embodiment, the crimping rotating assembly 4 is arranged above the skew assembly 3, and when the skew piece 33 is inserted into the vertical slot of the stator, the crimping rotating assembly 4 is connected with the swing base 32 to drive the swing base 32 to rotate, and the skew piece 33 extrudes a plurality of stacked punching sheets to stack the punching sheets in a skew manner; through skew subassembly 3 and the cooperation of crimping rotating assembly 4, insert the skew piece into the recess that the punching sheet formed after piling up, it is fixed to be fixed with the one end of skew piece 33 through the pivot, and the other end swings under the drive of crimping rotating assembly 4, realizes piling up the whole skew of punching sheet to a plurality of, guarantees that the skew angle is neat unanimous with the punching sheet.

Referring to fig. 4, the crimping rotating assembly 4 includes a crimping cover 41, one end of the crimping cover 41 is provided with an engaging block 42 connected with the swinging base 32, the other end of the crimping cover 41 is provided with a gear 43 connected with a rotation driving source, the gear 43 is connected with the rotation driving source through a rack or a belt, the rotation force of the rotation driving source is transmitted to the crimping cover 41 through the gear 43, the engaging block 42 includes two engaging legs protruding from the end of the crimping cover 41, and the two engaging legs are inserted into two sides of the swinging base 32 to engage with the swinging base 32; in this embodiment, two sets of skew assemblies 3 are provided, and two sets of engagement blocks 42 are provided according to the positions of the two sets of skew assemblies 3.

Referring to fig. 5, the welding assembly 5 includes a welding gun support 51, a welding gun driving module 52 and a welding gun head 53, the welding gun driving module 52 includes a slide rail arranged on the welding gun support 51, a slide block moving along the slide rail, and a slide block driving source driving the slide block to move, the welding gun driving module 52 drives the welding gun head 53 to move transversely, so that a distance between a stator of a motor to be welded can be adjusted, a welding effect can be adjusted and controlled, and the welding gun head 53 is movably connected to the slide block, so that a welding angle can be adjusted.

In this embodiment, set up two sets of welding subassembly 5, it is two sets of welding subassembly 5 symmetry sets up in motor stator's both sides, and is two sets of welding subassembly 5 carries out welded fastening to the punching sheet that the multi-disc skew was piled up simultaneously, improves motor stator welded stability and welding efficiency.

Referring to fig. 6, lifting unit 6 is including the crimping board 61 that is used for bearing crimping rotating assembly 4 and the mounting panel 63 that is used for installing welding assembly 5, crimping board 61 is driven by crimping board lift driving source 62 and is removed to turning round the skew portion, mounting panel 63 is driven by screw rod lift 64 to realize reciprocating of welding assembly 5, be provided with the rotatory graduation carousel of drive welding assembly under the mounting panel, drive welding assembly through screw rod lift and graduation carousel and do circumference lift welding, because the welding groove after the skew also inclines to set up, so need also need the graduation carousel to drive welding assembly graduation rotation when screw rod lift drives welding assembly and goes up and down.

Still be provided with many guide posts 65 on the frame 1, crimping board 61 and mounting panel 63 all overlap and establish on the guide post 65, through guide post 65 restricts the sliding direction of crimping board 61 and mounting panel 63.

The concrete working process of the motor stator skew welding machine of the embodiment is as follows: the method comprises the steps that firstly, a motor stator to be processed is placed on a stator supporting base of a feeding assembly, the motor stator to be processed is driven to rotate to the side face of a skew assembly through an indexing turntable, a skew driving source in the skew assembly drives skew sheets in the skew portion to be inserted into vertical grooves formed by stacking a plurality of punching sheets on the peripheral face of the stator, the skew assembly is connected with a swing base through a compression connection rotating assembly from the upper side of the skew assembly to drive the swing base to rotate, the punching sheets in the stacked arrangement are extruded through the skew sheets to enable the punching sheets to be stacked in the skew manner, after the skew is completed, welding processing is carried out on the punching sheets stacked in the multi-sheet stacking manner through a welding assembly, finally, the indexing turntable of the feeding assembly drives the motor stator to be processed to be subjected to blanking, meanwhile, the feeding of the motor stator to be processed is driven, and the skew welding process is repeated.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.