CN217799600U - Light-load motor stator core laser welding machine - Google Patents

Abstract

The utility model discloses a underloading formula motor stator core laser-beam welding machine, including last protection casing and with last protection casing fixed lower frame mutually, it is connected with bee calling organ and operating panel to go up the protection casing, the lower frame is connected with laser generator, the inside both sides of going up the protection casing all are provided with first laser welding mechanism and second laser welding mechanism, so as to pass through vertical welding seam welds on first laser welding mechanism and the second laser welding mechanism to motor stator core, the inside of going up the protection casing still is provided with and is used for carrying out the mechanism that pushes down of pressfitting operation to motor stator core. The utility model discloses an adopt laser welding to carry out laser welding fast to the iron core under the pressfitting of pressure to quick rotation finally accomplishes the welding of the 8/12/16 welding seam of whole iron core, because weld under the whole sufficient pressurize, the deformation of avoiding thermal stress to bring the product, it is excellent to beat welding nature under certain assurance at the iron core circle, and quick laser welding.

Description

Light-load motor stator core laser welding machine

Technical Field

The utility model relates to a motor stator core processing technology field, concretely relates to underload formula motor stator core laser-beam welding machine.

Background

In the prior art, the manufacturing of the stator core of the motor comprises 6 processes: the method comprises the steps of punching, riveting and laminating, gold prepressing, pressure maintaining, welding, detecting and the like, wherein each process is an independent production flow in the current production process, each process needs special equipment for processing, and then the materials are circulated manually after detection.

However, the original motor iron core manufacturing process has the following defects:

1. each process is manufactured independently, and the labor waste is serious due to repeated working time;

2. the welding equipment adopts a simplex mode, so that the manufacturing capacity is low;

accordingly, those skilled in the art have provided a laser welding machine for a stator core of a motor with a light load to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a underload formula motor stator core laser-beam welding machine, including last protection casing and with last protection casing fixed lower carriage mutually, it is connected with bee calling organ and operating panel to go up the protection casing, the lower carriage is connected with laser generator, the inside both sides of going up the protection casing all are provided with first laser welding mechanism and second laser welding mechanism, in order to pass through first laser welding mechanism and second laser welding mechanism weld vertical welding seam on to motor stator core, the inside of going up the protection casing still is provided with the mechanism that pushes down that is used for carrying out the pressfitting operation to motor stator core.

Furthermore, the inside of going up the protection casing is provided with the pneumatic cylinder fixed plate, and the inside fixedly connected with support column all around of pneumatic cylinder fixed plate, the support column with the lower frame is fixed mutually, the pneumatic cylinder fixed plate with fixed connection between the pushing down mechanism.

Furthermore, a double-station rotating mechanism for switching the rotation of the motor stator core is further arranged inside the upper protective cover.

Further, a jig mechanism with the matched number is installed on the double-station rotating mechanism, so that the motor stator iron core can be installed and detached through the jig mechanism.

Furthermore, a product rotating mechanism is further installed in the pressing mechanism, so that the position of a welding seam of the motor stator core is switched through the product rotating mechanism.

Furthermore, a product jacking mechanism is installed on the lower rack and aligned with the correspondingly arranged jig mechanism, so that the motor stator core is ejected through the product jacking mechanism.

Further, first laser welding mechanism includes the slip table, and is connected with the electronic Z axle that drives the slip table and remove along Z axle direction on the slip table, drives the electronic X axle that the slip table removed along the X axle and drives the electronic Y axle that the slip table removed along the Y axle, the outside of slip table still is provided with laser welder.

Further, the laser welding gun and the sliding table are connected through a welding gun angle adjusting mechanism.

Furthermore, the rotation angle of the product rotation mechanism is matched with the number of vertical welding seams to be welded.

Further, the first laser welding mechanism and the second laser welding mechanism are identical in structure.

The utility model discloses a technological effect and advantage:

1. the iron core is rapidly subjected to laser welding by adopting laser welding under pressure pressing through a brand new pressing mode and a brand new welding mode, and is rapidly rotated, so that welding of 8/12/16 welding seams of the whole iron core is finally completed, deformation of a product caused by thermal stress is avoided due to welding under sufficient pressure maintaining in the whole process, and secondly, excellent weldability is ensured under the condition of circular runout of the iron core, and rapid laser welding is realized;

2. the laser welding greatly reduces the heat affected zone of welding, and adopts rapid welding in a pressure maintaining state, thereby effectively inhibiting the deformation caused by heat accumulation, and along with the laser welding in a medium-free non-contact welding mode, the smoothness of the surface of the welding seam of the product is greatly improved, and the production efficiency is greatly improved through a double-station alternate production mode;

3. the objective condition that the motor stator iron cores are welded in batches and efficiently is solved, and the problem of low original production capacity is solved by designing the device into a double-station mode and a mode of automatic rotation in an online pressurizing and compressing state.

Drawings

Fig. 1 is a schematic perspective structure diagram of a light-load motor stator core laser welding machine provided in an embodiment of the present application;

fig. 2 is a schematic partial three-dimensional structure diagram of a laser welding machine for a stator core of a light-load motor according to an embodiment of the present application;

fig. 3 is an enlarged schematic view of a structure at a position a in fig. 2 in a light-load motor stator core laser welding machine provided in an embodiment of the present application;

fig. 4 is a schematic perspective structure diagram of a first laser welding mechanism in a light-load motor stator core laser welding machine according to an embodiment of the present application.

In the figure: 1. an upper protective cover; 2. a buzzer; 3. an operation panel; 4. a lower frame; 5. a laser generator; 6. a product jacking mechanism; 7. a hydraulic cylinder fixing plate; 8. a support pillar; 9. a first laser welding mechanism; 91. an electric Z-axis; 92. an electrically powered X-axis; 93. a welding gun angle adjusting mechanism; 94. a laser welding gun; 95. an electric Y-axis; 10. a pressing mechanism; 11. a second laser welding mechanism; 12. a double-station rotating mechanism; 13. a product rotating mechanism; 14. a jig mechanism.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1 to 2, the light-load laser welding machine for a motor stator core provided in this embodiment includes an upper shield 1 and a lower frame 4 fixed to the upper shield 1, the upper shield 1 is connected to a buzzer 2 and an operation panel 3, the lower frame 4 is connected to a laser generator 5, both sides of the inside of the upper shield 1 are provided with a first laser welding mechanism 9 and a second laser welding mechanism 11, so as to weld a vertical weld on the motor stator core through the first laser welding mechanism 9 and the second laser welding mechanism 11, the inside of the upper shield 1 is further provided with a pressing mechanism 10 for performing a pressing operation on the motor stator core, the laser welding energy concentration is high, the welding speed is fast, therefore, the laser welding machine is used for welding the motor stator core, the welding quality and the product quality can be better improved, the welding speed is fast, the production efficiency can be greatly improved, and the stator core is used for performing laser welding on the basis of pressure maintaining, so that the product deformation caused by welding can be effectively reduced;

referring to fig. 2, specifically, a hydraulic cylinder fixing plate 7 is arranged inside an upper protective cover 1, support columns 8 are fixedly connected to the periphery inside the hydraulic cylinder fixing plate 7, the support columns 8 are fixed to a lower frame 4, the hydraulic cylinder fixing plate 7 is fixedly connected to a pressing mechanism 10, and a product rotating mechanism 13 is further installed in the pressing mechanism 10, so that the positions of weld joints of a motor stator core can be switched through the product rotating mechanism 13, the positions of the weld joints of the motor stator core can be switched in a rotating mode through the product rotating mechanism 13, welding is facilitated, and the iron core is rapidly welded by laser welding under pressure pressing through the pressing of pressure and is rapidly rotated, so that welding is performed under sufficient pressure maintaining in the whole process, and deformation of a product caused by thermal stress is avoided;

referring to fig. 3, specifically, a double-station rotating mechanism 12 for switching the rotation of the motor stator core is further disposed inside the upper protective cover 1, at least two groups of jig mechanisms 14 are mounted on the double-station rotating mechanism 12, so that the motor stator core can be mounted and dismounted through the jig mechanisms 14, the device has two identical stations by adopting the double-station rotating mechanism 12, and the two stations can work alternately through the rotation of the motor, so that the comprehensive productivity can be improved;

referring to fig. 2 to 3, specifically, a product jacking mechanism 6 is installed on the lower frame 4, and the product jacking mechanism 6 is aligned with a group of jig mechanisms 14 far from the pressing mechanism 10, so as to jack out the motor stator core through the product jacking mechanism 6;

referring to fig. 2 and 4, specifically, the first laser welding mechanism 9 includes a sliding table (not shown in the figure), and the sliding table is connected with an electric Z-axis 91 driving the sliding table to move along the Z-axis direction, an electric X-axis 92 driving the sliding table to move along the X-axis, and an electric Y-axis 95 driving the sliding table to move along the Y-axis, and a laser welding gun 94 is further disposed outside the sliding table, specifically, the first laser welding mechanism 9 and the second laser welding mechanism 11 have the same structure, and the first laser welding mechanism 9 and the second laser welding mechanism 11 can be set to work synchronously, so that two welding seams can be welded at each time, and the working speed is improved;

specifically, the laser welding gun 94 is connected with the sliding table through the welding gun angle adjusting mechanism 93, the angle of the laser welding gun 94 can be conveniently adjusted through the welding gun angle adjusting mechanism 93, and the usability and the applicability are improved;

referring to fig. 2, specifically, the rotation angle of the product rotation mechanism 13 is adapted to the number of vertical welds to be welded, the number of the vertical welds is a, and the specific angle is a =360 °/a, so that the welds can be switched conveniently;

referring to fig. 3, specifically, the product jacking mechanism 6, the pressing mechanism 10, the double-station rotating mechanism 12 and the product rotating mechanism 13 are located on the same central axis, and the rotating angle of the double-station rotating mechanism 12 is 180 degrees, which is convenient for double-station switching and welding operation, and greatly improves the working efficiency;

the working principle is as follows:

after the stator is installed on the jig mechanism 14 of the double-station rotating mechanism 12, the starting button is pressed, the double-station rotating mechanism 12 enables 180-degree rotation, the stator is moved to a welding position, the pressing mechanism 10 enables the stator to move downwards under pressure, and finally the pressing process is completed;

then, the first laser welding mechanism 9 automatically adjusts three shafts, namely an electric Z shaft 91, an electric X shaft 92 and an electric Y shaft 95 under preset parameters, aligns a laser welding gun 94 at the initial position of welding, then moves downwards at a constant speed, and simultaneously the laser welding gun 94 completes the welding of the vertical welding seam on the stator by the laser generated by the laser generator 5;

when a welding seam is welded, the product rotating mechanism 13 starts to enable to complete the switching of the position of the welding seam;

at the moment, the first laser welding mechanism 9 and the second laser welding mechanism 11 point to new welding seams to be welded, the first laser welding mechanism 9 drives the laser welding gun 94 to move upwards at a uniform speed, meanwhile, the laser welding gun 94 welds vertical welding seams on the stator by laser generated by the laser generator 5, after all welding seams are finally welded according to the process, the pressing mechanism 10 moves upwards, the stator product loses pressure, the double-station rotating mechanism 12 drives the welded product to rotate 180 degrees, and the welded product is manually taken down from the jig mechanism 14;

in actual production, two product clamping jigs are arranged on the double-station rotating mechanism 12, so that when the products inside are welded, the outer jig can be used for dismounting the finished welded products and mounting new products to be welded, the double stations are alternately used, the pressing welding station is always in work, the productivity of the products is finally improved, and the operation is finished.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims (10)

1. The utility model provides a underloading formula motor stator core laser-beam welding machine, includes protection casing (1) and lower frame (4) fixed mutually with last protection casing (1), it is connected with bee calling organ (2) and operating panel (3) to go up protection casing (1), lower frame (4) are connected with laser generator (5), its characterized in that: go up inside both sides of protection casing (1) and all be provided with first laser welding mechanism (9) and second laser welding mechanism (11), in order to pass through first laser welding mechanism (9) and second laser welding mechanism (11) weld motor stator core goes up vertical welding seam, the inside of going up protection casing (1) still is provided with and is used for carrying out push down mechanism (10) of pressfitting operation to motor stator core.

2. The light-load motor stator core laser welding machine according to claim 1, wherein a hydraulic cylinder fixing plate (7) is arranged inside the upper protective cover (1), supporting columns (8) are fixedly connected to the periphery inside the hydraulic cylinder fixing plate (7), the supporting columns (8) are fixed to the lower rack (4), and the hydraulic cylinder fixing plate (7) is fixedly connected to the pressing mechanism (10).

3. The light-load motor stator core laser welding machine according to claim 1, characterized in that a double-station rotating mechanism (12) for rotating and switching the motor stator core is further arranged inside the upper protective cover (1).

4. The laser welding machine for the light-load motor stator core according to claim 3, characterized in that a number of jig mechanisms (14) matched with each other are installed on the double-station rotating mechanism (12) so as to install and detach the motor stator core through the jig mechanisms (14).

5. The laser welding machine for the stator core of the light-load motor according to claim 1, wherein a product rotating mechanism (13) is further installed in the pressing mechanism (10) so that the position of the welding seam of the stator core of the motor can be switched through the product rotating mechanism (13).

6. The laser welding machine for the light-load motor stator core according to claim 1, characterized in that a product jacking mechanism (6) is installed on the lower frame (4), and the product jacking mechanism (6) is aligned with a correspondingly arranged jig mechanism (14) so as to jack out the motor stator core through the product jacking mechanism (6).

7. The light-load motor stator core laser welding machine according to claim 1, wherein the first laser welding mechanism (9) comprises a sliding table, an electric Z shaft (91) which drives the sliding table to move along the Z shaft direction, an electric X shaft (92) which drives the sliding table to move along the X shaft, and an electric Y shaft (95) which drives the sliding table to move along the Y shaft are connected to the sliding table, and a laser welding gun (94) is further arranged outside the sliding table.

8. The light-load motor stator core laser welding machine according to claim 7, characterized in that the laser welding gun (94) is connected with the sliding table through a welding gun angle adjusting mechanism (93).

9. The light-load motor stator core laser welding machine according to claim 5, characterized in that the rotation angle of the product rotating mechanism (13) is matched with the number of vertical welding seams to be welded.

10. The laser welding machine for the stator core of the light-load motor as claimed in claim 1, wherein the first laser welding mechanism (9) and the second laser welding mechanism (11) are identical in structure.

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