CN210677348U

CN210677348U - Laser welding device

Info

Publication number: CN210677348U
Application number: CN201920992963.2U
Authority: CN
Inventors: 邵存华
Original assignee: Suzhou Upper Hand Mechanical And Electronic Engineering Co ltd
Current assignee: Suzhou Upper Hand Mechanical And Electronic Engineering Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-06-05
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a laser welding device, the laser welding device comprises a turntable, four areas are equally divided on the turntable, namely a feeding area, a laser printing area, a laser welding area and a discharging area, a clamp for limiting a workpiece is arranged on each area, and a laser emitter is respectively arranged above the laser printing area and at the side edge of the laser welding area; the outer side of the laser welding area is provided with a leveling mechanism, the leveling mechanism comprises a driving piece and a main body part arranged on the driving piece, the main body part is provided with two leveling parts, and the driving piece drives the top end of the leveling part to abut against the end part of the workpiece, so that the end surface of the workpiece is on one plane. When the workpiece is welded, the jacking mechanism enables the splicing positions of the workpieces to be aligned, avoids the end face dislocation of the workpieces and improves the yield.

Description

Laser welding device

Technical Field

The utility model relates to a laser welding device especially relates to a laser welding device's anchor clamps.

Background

Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source, and is one of important aspects of laser material processing technology application. The laser welding fixture is a tool used for ensuring the position of a weldment, improving the assembly precision and efficiency and preventing welding deformation.

When welding motor stator, the requirement to the concatenation is very high, and the high requirement error of the precision of two sides and two terminal surfaces assembly of motor stator is little, nevertheless because motor stator itself is just uneven, consequently needs the instrument to make it can improve the precision of concatenation when the welding, prevents to warp.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the embodiment of the utility model provides a laser welding device, the laser welding device includes the carousel, equally divide there are four regions on the carousel, be material loading region, laser printing region, laser welding region and unloading region respectively, be provided with the anchor clamps of restriction work piece on each region, the top in laser printing region, the side in laser welding region is provided with laser emitter respectively;

the outer side of the laser welding area is provided with a leveling mechanism, the leveling mechanism comprises a driving piece and a main body part arranged on the driving piece, the main body part is provided with two leveling parts, and the driving piece drives the top end of the leveling part to abut against the end part of the workpiece, so that the end surface of the workpiece is on one plane.

Further, the workpiece is a motor stator which is divided into two parts and distributed in the fixture up and down, the motor stators of the upper part and the lower part are welded into a whole in the laser welding area, and the top end of the main body part abuts against the splicing position of the upper motor stator and the lower motor stator.

Furthermore, the main body part is provided with two mounting holes, the driving part comprises an output shaft, and the output shaft extends into the mounting holes.

Further, the laser welding device further comprises a pressing device which is arranged above the laser welding area and is provided with a cuboid-shaped pressing block and a lifting mechanism, the lifting mechanism enables the pressing block to move in the vertical direction, and the pressing block presses the workpiece at the lowest point.

Furthermore, the laser welding device further comprises a material taking device, the material taking device comprises a mechanical arm and a power mechanism, and the power mechanism drives the mechanical arm to grab the welded motor stator.

The utility model has the advantages as follows: when the workpiece is welded by the jacking mechanism, the jacking portion abuts against the splicing position of the end face of the workpiece, so that the splicing position of the workpiece is aligned up and down, the welded end faces are on the same plane, dislocation of the end faces of the workpiece is avoided, and the yield is improved.

When the pressing device is used for welding, the workpiece is pressed tightly, so that the workpiece is welded more tightly.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a laser welding apparatus according to an embodiment of the present invention;

fig. 2 is a partial schematic view of a laser welding apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic view of the embodiment of the present invention when the workpiece abuts against the leveling mechanism

Fig. 4 is a schematic view of a clamp in an embodiment of the invention;

fig. 5 is a top view of the clamp according to an embodiment of the present invention.

Reference numerals of the above figures: laser welding device-100; a turntable-1; -10 of a feeding area; laser printing area-11; laser welding area-12; a blanking area-13; a clamp-2; a limiting column-21; a first mating surface-211; a second mating surface-212; an abutment-213; laser path-22; a bottom plate 23; positioning hole-231; a jacking mechanism-3; a drive member-31; a main body portion-32; top flat-321; mounting holes-322; a pressing device-4; briquetting-41; a lifting mechanism-42; a material taking device-5; a manipulator-51; a power mechanism-52; a motor stator-6; stator winding-60; a stator core-61; a first side-611; a second side-612; a first end-613; a second end face-614.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

To achieve the above object, the present invention provides a laser welding device, as shown in fig. 1 to 5, which is a preferred embodiment of the present invention.

As shown in fig. 1 and 2, the laser welding apparatus 100 includes a turntable 1 on a table, four areas are equally divided on the turntable 1, which are a feeding area 10, a laser printing area 11, a laser welding area 12 and a discharging area 13, a fixture 2 for limiting a workpiece is disposed on each area, and laser emitters (not shown in the figure) are disposed above the laser printing area 11 and at the side of the laser welding area 12.

As shown in fig. 3, in the present invention, the workpiece to be welded is the motor stator 6, and the motor stator 6 to be welded is divided into two parts and distributed up and down in the jig 2. The motor stator 6 comprises a stator winding 60 and a stator core 61 wound on the periphery of the stator winding 60, the upper motor stator 6 and the lower motor stator 6 are aligned, and the motor stator 6 is welded into a whole at the splicing position of the stator core 61 in the laser welding area 12.

During welding, the two sides and two end faces of the motor stator 6 in the upper and lower parts may be dislocated, which may seriously affect the yield of the welded motor.

As shown in fig. 4 and 5, the clip 2 of the present invention is provided. The fixture 2 is used for limiting the motor stator 6, specifically, the fixture 2 comprises a bottom plate 23 and two oppositely arranged limiting plates, and the two limiting plates are perpendicular to the bottom plate 23. The bottom plate 23 is provided with positioning holes 231, and screws pass through the positioning holes 231 to fix the jig 2 to the four station areas. The motor stator 6 is placed in a space formed by the bottom plate 23 and the two limiting plates, and the two limiting plates are arranged on two sides of the motor stator 6 in the axial direction. In the present embodiment, the limit plate is divided into three limit posts 21. The gap between two adjacent limiting columns 21 is a laser passage 22, and laser penetrates through the laser passage 22 to weld the motor stator 6.

Specifically, the side surface of the motor stator 6 has two surfaces, namely a first side surface 611 and a second side surface 612, the first side surface 611 is close to the joint of the motor stator 6, the first side surface 611 is perpendicular to the bottom plate 23, and the second side surface 612 is an inclined surface. The stopper post 21 has a first mating surface 211 abutting the first side surface 611, and a second mating surface 212 above the first mating surface 211, the second mating surface 212 abutting the second side surface 612 of the motor stator 6 above.

Furthermore, the limit post 21 near the center of the turntable 1 further has an abutting portion 213 perpendicular to the limit post 21, the abutting portion 213 extends toward the middle region of the bottom plate 23, and an included angle formed by the abutting portion 213 and the limit post 21 limits the first end face 613 of the motor stator 6.

Therefore, the limit columns 21 align the splicing positions of the two side edges of the motor stator 6; the abutment 213 and the limit post 21 form an angle which aligns the splice of the first end face 613 of the motor stator 6, the first end face 613 being in one plane.

Further, a leveling mechanism 3 is provided outside the laser welding area 12, and as shown in fig. 3, the leveling mechanism 3 includes a driving member 31, and a main body portion 32 mounted on the driving member 31, the main body portion 32 having two leveling portions 321. The main body portion 32 has two mounting holes 322, and the driving member 31 includes an output shaft extending into the mounting holes 322. The driving member 31 drives the top end of the top flat portion 321 to abut against the joint of the second end face 614 of the motor stator 6, so that the joint of the second end face 614 of the motor stator 6 is aligned, and the second end face 614 is on one plane.

Preferably, the laser welding apparatus 100 further includes a pressing device 4, the pressing device 4 is disposed above the laser welding area 12, the pressing device 4 has a rectangular parallelepiped pressing block 41 and a lifting mechanism 42, the lifting mechanism 42 can move the pressing block 41 in the vertical direction, and the pressing block 41 presses the motor stator 6 at the lowest point.

In the welding process, the pressing device 4 and the jacking mechanism 3 act in sequence and act repeatedly for multiple times until the welding is finished.

Therefore, during the welding process, the fixture 2 aligns two sides of the motor stator 6, that is, the first side surfaces 611 of the upper and lower motor stators 6 are on the same plane, and also aligns the joint of the first end surfaces 613 of the motor stators 6, and the first end surfaces 613 are on the same plane; the flattening mechanism 3 aligns the splicing positions of the second end faces 614 of the motor stator 6, and the second end faces 614 are on the same plane; the compressing device 4 enables the upper motor stator 6 and the lower motor stator 6 to be welded more tightly; the motor stator 6 welded into a whole is tightly screwed and seamed, so that the yield is greatly improved.

The laser welding device 100 further comprises a material taking device 5, the material taking device 5 comprises a manipulator 51 and a power mechanism 52, and the power mechanism 52 drives the manipulator 51 to grab the welded motor stator 6.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A laser welding device is characterized by comprising a turntable, wherein four areas, namely a feeding area, a laser printing area, a laser welding area and a discharging area, are equally divided on the turntable, a clamp for limiting a workpiece is arranged on each area, and laser emitters are respectively arranged above the laser printing area and on the side edge of the laser welding area;

2. The laser welding apparatus according to claim 1, wherein the workpiece is a motor stator which is divided into two parts and distributed vertically in the jig, the motor stator of the upper and lower parts is welded integrally in the laser welding region, and a tip of the body portion abuts against a joint of the upper and lower motor stators.

3. The laser welding apparatus of claim 2 wherein the body portion has two mounting holes therein, and the drive member includes an output shaft that extends into the mounting holes.

4. The laser welding apparatus according to claim 3, further comprising a pressing device provided above the laser welding area, the pressing device having a rectangular parallelepiped pressing block and an elevating mechanism capable of moving the pressing block in a vertical direction, the pressing block pressing the workpiece at a lowest point.

5. The laser welding device according to claim 4, further comprising a material taking device, wherein the material taking device comprises a manipulator and a power mechanism, and the power mechanism drives the manipulator to grab the welded motor stator.