阅读说明：本技术 定子铁芯装配系统及定子铁芯装配方法 (Stator core assembly system and stator core assembly method ) 是由 王宏 周剑勇 方天兵 于 2020-06-08 设计创作，主要内容包括：本发明公开了一种定子铁芯装配系统及定子铁芯装配方法,用于装配至少两块铁芯拼装块以形成定子铁芯,定子铁芯装配系统包括：工装板,用于装载定子铁芯；输送线,辅助安装装置,成型压装装置,成型整形装置,焊接装置以及下料装置。本发明的定子铁芯装配系统实现定子铁芯装配的自动化,提高工作效率,降低人工劳动强度,减少人工成本,且避免产品出现圆度超差、铁芯翘曲变形、歪斜等现象,提高产品良率,使定子铁芯装配更加科学、高效。(The invention discloses a stator core assembly system and a stator core assembly method, which are used for assembling at least two core assembly blocks to form a stator core, and the stator core assembly system comprises: the tooling plate is used for loading the stator core; the device comprises a conveying line, an auxiliary mounting device, a forming and press-fitting device, a forming and shaping device, a welding device and a discharging device. The stator core assembling system disclosed by the invention realizes the automation of stator core assembling, improves the working efficiency, reduces the labor intensity of workers, reduces the labor cost, avoids the phenomena of out-of-roundness, warping deformation, deflection and the like of the iron core of a product, improves the yield of the product, and enables the stator core assembling to be more scientific and efficient.)

1. A stator core assembly system for assembling at least two core assembly blocks to form a stator core, comprising:

the tooling plate is used for loading the stator core;

the conveying line is used for conveying the tooling plate;

the auxiliary mounting device is mounted in parallel with the conveying line and used for positioning the tooling plate and assembling the iron core assembling blocks into a round stator iron core;

the forming press-fitting device is arranged in parallel with the conveying line and positioned on one side of the auxiliary mounting device, and is used for positioning the tooling plate and press-fitting the stator iron cores to the same height;

the forming and shaping device is arranged in parallel with the conveying line and is positioned on one side of the forming and press-mounting device, and the forming and shaping device is used for positioning the tooling plate, shaping the stator core and adjusting the roundness of the stator core;

the welding device is arranged in parallel with the conveying line and positioned on one side of the forming and press-fitting device, and is used for positioning the tooling plate and welding the stator core;

and the blanking device is arranged on one side of the conveying line and used for positioning the tooling plate and taking the stator core down from the tooling plate.

2. The stator core assembling system according to claim 1, wherein the conveyor line includes an operation line for conveying the tooling plate to different stations, and a return line for conveying the tooling plate back to the operation line; the auxiliary mounting device, the forming and press-fitting device, the forming and shaping device, the welding device and the blanking device are mounted along the operating line in parallel, and the auxiliary mounting device, the forming and press-fitting device, the forming and shaping device, the welding device and the blanking device are sequentially mounted along the conveying direction of the operating line.

3. The stator core assembly system of claim 1, wherein the operating wires and the return wires are arranged in an upper layer and a lower layer, the operating wires are arranged in an upper layer of the return wires, and the conveying direction of the operating wires is opposite to the conveying direction of the return wires.

4. The stator core assembly system of claim 3, further comprising a wire head lifting platform disposed at a first end of the conveyor line and a wire end lifting platform disposed at a second end of the conveyor line, the second end of the conveyor line being an end opposite the first end of the conveyor line.

5. The stator core assembly system of any one of claims 1-4, wherein the tooling plate includes a base plate and at least two sets of positioning members movably disposed on a first side of the base plate; the positioning assemblies are arranged at intervals in the circumferential direction, and the positioning assemblies comprise a first position and a second position; when the positioning assemblies are positioned at the first position, the diameter of a first circumference defined by at least two groups of positioning assemblies is a first diameter; when the positioning assemblies are positioned at the second position, the diameter of a second circumference defined by at least two groups of the positioning assemblies is a second diameter; the first diameter is smaller than the second diameter.

6. The stator core assembling system according to any one of claims 1 to 4, wherein the molding press-fitting device comprises a press-fitting tool which contacts with the stator core and presses down the stator core, a servo module which drives the press-fitting tool to ascend and descend, and a sensor assembly which is arranged in the press-fitting tool and is electrically connected with the servo module.

7. The stator core assembling system according to any one of claims 1 to 4, wherein the shaping and shaping device comprises a shaping mechanism and a limiting mechanism matched with the shaping mechanism, and the stator core is positioned between the shaping mechanism and the limiting mechanism; the shaping mechanism comprises a first state and a second state, and when the shaping mechanism is in the first state, the shaping mechanism applies pressure to the stator iron core to shape the stator iron core; and when the stator core is in the second state, no acting force exists between the shaping mechanism and the stator core.

8. The stator core assembly system according to any one of claims 1 to 4, wherein the welding device comprises a welding mechanism, the welding mechanism comprises a welding bracket, a welding gun assembly connected with the welding bracket, and a lifting assembly arranged on the welding bracket, and the welding gun assembly is connected with the welding bracket through the lifting assembly.

9. The stator core assembling system according to any one of claims 1 to 4, wherein the blanking device comprises a six-axis robot disposed at one side of the conveying line, and a clamping jaw assembly connected to the six-axis robot and used for clamping the stator core.

10. A stator core assembling method is characterized by comprising the following steps:

placing the tooling plate on a conveying line;

when the tooling plate flows into a station where the auxiliary mounting device is located, the auxiliary mounting device positions the tooling plate, the tooling plate is utilized to assemble the iron core assembling blocks into a round stator iron core, and the stator iron core is loaded;

after the iron core assembling blocks are assembled into a round stator iron core, the auxiliary mounting device removes the positioning of the tooling plate, and the tooling plate continues to run along with the conveying line;

when the tooling plate flows into a station where the molding press-fitting device is located, the molding press-fitting device positions the tooling plate and presses the stator cores to the same height;

after the press fitting is qualified, the molding press fitting device removes the positioning of the tooling plate, and the tooling plate continues to operate along with the conveying line;

when the tooling plate flows into a station where the forming and shaping device is located, the forming and shaping device positions the tooling plate, shapes the stator core and adjusts the roundness of the stator core;

after the shaping is finished, the shaping and shaping device removes the positioning of the tooling plate, and the tooling plate continues to run along with the conveying line;

when the tooling plate flows into a station where a welding device is located, the welding device positions the tooling plate and welds the stator core;

when all the assembling seams of the stator core are welded, the welding device removes the positioning of the tooling plate, and the tooling plate continues to operate along with the conveying line;

when the tooling plate flows into a station where the blanking device is located, the blanking device takes down the stator core on the tooling plate.

Technical Field

The invention relates to the field of motors, in particular to a stator core assembling system and a stator core assembling method.

Background

The stator core structure of the permanent magnet synchronous motor is formed by splicing a plurality of spliced type punching sheet structures, and is combined into a whole through a reliable fixing structure, so that the utilization rate of punching sheet materials can be greatly improved, and automatic winding and efficient assembly can be realized. Because the iron core is a block type, the iron core needs to be assembled. The traditional stator core assembling process is mainly manual assembling, not only is the efficiency low, the labor intensity is large, but also the assembling precision is poor, the phenomena of out-of-roundness, warping deformation of the core, deflection and the like can occur to the product, and the product yield is not high.

Disclosure of Invention

Based on the technical scheme, the invention provides the stator core assembly system and the stator core assembly method, aiming at overcoming the defects that the prior art is low in efficiency, high in labor intensity and poor in assembly precision, products are possibly out of roundness, warped, deformed and inclined, and the like, and the product yield is not high.

The technical scheme is as follows:

a stator core assembly system for assembling at least two core segments to form a stator core, comprising:

the tooling plate is used for loading the stator core;

the conveying line is used for conveying the tooling plate;

the auxiliary mounting device is mounted in parallel with the conveying line and used for positioning the tooling plate and assembling the iron core assembling blocks into a round stator iron core;

the forming press-fitting device is arranged in parallel with the conveying line and positioned on one side of the auxiliary mounting device, and is used for positioning the tooling plate and press-fitting the stator iron cores to the same height;

the forming and shaping device is arranged in parallel with the conveying line and is positioned on one side of the forming and press-mounting device, and the forming and shaping device is used for positioning the tooling plate, shaping the stator core and adjusting the roundness of the stator core;

the welding device is arranged in parallel with the conveying line and positioned on one side of the forming and press-fitting device, and is used for positioning the tooling plate and welding the stator core;

and the blanking device is arranged on one side of the conveying line and used for positioning the tooling plate and taking the stator core down from the tooling plate.

The stator core assembly system of the technical scheme realizes automation of stator core assembly, improves work efficiency, reduces labor intensity, reduces labor cost, avoids the phenomena of out-of-roundness, warping deformation and deflection of the iron core and the like of a product, improves product yield, and enables stator core assembly to be more scientific and efficient.

Specifically, when the stator core assembling system adopting the technical scheme is used, the auxiliary mounting device, the forming press-fitting device, the forming shaping device, the welding device and the blanking device are mounted in parallel along with the conveying line to form corresponding stations, the tooling plates are placed on the conveying line, and the tooling plates are transferred to each station along with the conveying line to perform corresponding processes.

When the tooling plate flows into a station where the auxiliary mounting device is located, the auxiliary mounting device positions the tooling plate, the tooling plate is utilized to assemble the iron core assembling blocks into a round stator iron core, and the stator iron core is loaded; after the iron core assembling blocks are assembled into a round stator iron core, the auxiliary mounting device removes the positioning of the tooling plate, and the tooling plate continues to run along with the conveying line.

When the tooling plate flows into a station where the molding press-fitting device is located, the molding press-fitting device positions the tooling plate and presses the stator cores to the same height; and after the press fitting is qualified, the molding press fitting device removes the positioning of the tooling plate, and the tooling plate continues to operate along with the conveying line.

When the tooling plate flows into a station where the forming and shaping device is located, the forming and shaping device positions the tooling plate, shapes the stator core and adjusts the roundness of the stator core; and after the shaping is finished, the shaping and shaping device removes the positioning of the tooling plate, and the tooling plate continues to run along with the conveying line.

When the tooling plate flows into a station where a welding device is located, the welding device positions the tooling plate and welds the stator core; and after the welding is finished, the welding device removes the positioning of the tooling plate, and the tooling plate continues to run along with the conveying line.

When the tooling plate flows into the station where the blanking device is located, the blanking device takes down the stator core from the tooling plate to other production lines or stores the stator core, and the tooling plate is recycled.

In one embodiment, the conveyor line comprises an operation line for conveying the tool plates to different stations, and a return line for conveying the tool plates back to the operation line; the auxiliary mounting device, the forming and press-fitting device, the forming and shaping device, the welding device and the blanking device are mounted along the operating line in parallel, and the auxiliary mounting device, the forming and press-fitting device, the forming and shaping device, the welding device and the blanking device are sequentially mounted along the conveying direction of the operating line.

In one embodiment, the operation lines and the return lines are distributed in an upper layer and a lower layer, the operation lines are positioned on the upper layer of the return lines, and the conveying direction of the operation lines is opposite to the conveying direction of the return lines.

In one embodiment, the stator core assembling system further comprises a wire head lifting platform arranged at the first end of the conveying wire and a wire end lifting platform arranged at the second end of the conveying wire, wherein the second end of the conveying wire is the end opposite to the first end of the conveying wire.

In one embodiment, the tooling plate comprises a bottom plate and at least two groups of positioning components movably arranged on a first side of the bottom plate; the positioning assemblies are arranged at intervals in the circumferential direction, and the positioning assemblies comprise a first position and a second position; when the positioning assemblies are positioned at the first position, the diameter of a first circumference defined by at least two groups of positioning assemblies is a first diameter; when the positioning assemblies are positioned at the second position, the diameter of a second circumference defined by at least two groups of the positioning assemblies is a second diameter; the first diameter is smaller than the second diameter.

In one embodiment, the molding press-fitting device comprises a press-fitting tool which is in contact with the stator core and presses down the stator core, a servo module which drives the press-fitting tool to lift, and a sensor assembly which is arranged in the press-fitting tool and is electrically connected with the servo module.

In one embodiment, the shaping and shaping device comprises a shaping mechanism and a limiting mechanism matched with the shaping mechanism, and a stator core is positioned between the shaping mechanism and the limiting mechanism; the shaping mechanism comprises a first state and a second state, and when the shaping mechanism is in the first state, the shaping mechanism applies pressure to the stator iron core to shape the stator iron core; and when the stator core is in the second state, no acting force exists between the shaping mechanism and the stator core.

In one embodiment, the welding device comprises a welding mechanism, the welding mechanism comprises a welding support, a welding gun assembly connected with the welding support, and a lifting assembly arranged on the welding support, and the welding gun assembly is connected with the welding support through the lifting assembly.

In one embodiment, the blanking device comprises a six-axis robot arranged on one side of the conveying line and a clamping jaw assembly connected with the six-axis robot and used for clamping the stator core.

The technical scheme also provides a stator core assembling method, which comprises the following steps:

placing the tooling plate on a conveying line;

when the tooling plate flows into a station where the auxiliary mounting device is located, the auxiliary mounting device positions the tooling plate, the tooling plate is utilized to assemble the iron core assembling blocks into a round stator iron core, and the stator iron core is loaded;

after the iron core assembling blocks are assembled into a round stator iron core, the auxiliary mounting device removes the positioning of the tooling plate, and the tooling plate continues to run along with the conveying line;

when the tooling plate flows into a station where the molding press-fitting device is located, the molding press-fitting device positions the tooling plate and presses the stator cores to the same height;

after the press fitting is qualified, the molding press fitting device removes the positioning of the tooling plate, and the tooling plate continues to operate along with the conveying line;

when the tooling plate flows into a station where the forming and shaping device is located, the forming and shaping device positions the tooling plate, shapes the stator core and adjusts the roundness of the stator core;

after the shaping is finished, the shaping and shaping device removes the positioning of the tooling plate, and the tooling plate continues to run along with the conveying line;

when the tooling plate flows into a station where a welding device is located, the welding device positions the tooling plate and welds the stator core;

when all the assembling seams of the stator core are welded, the welding device removes the positioning of the tooling plate, and the tooling plate continues to operate along with the conveying line;

when the tooling plate flows into a station where the blanking device is located, the blanking device takes down the stator core on the tooling plate.

According to the technical scheme, the stator core assembling method achieves automation of stator core assembling, improves work efficiency, reduces labor intensity, reduces labor cost, avoids the phenomena of out-of-roundness, warping deformation and deflection of the iron core and the like of a product, improves product yield, and enables stator core assembling to be more scientific and efficient.

Specifically, when the stator core assembling method of the technical scheme is used, the auxiliary mounting device, the forming press-fitting device, the forming shaping device, the welding device and the blanking device are mounted in parallel along with the conveying line to form corresponding stations, the tooling plates are placed on the conveying line and are transferred to each station along with the conveying line to perform corresponding processes.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a stator core assembly system according to an embodiment of the present invention;

FIG. 2 is a schematic view of the tooling plate of FIG. 1;

FIG. 3 is a schematic view of the tooling plate of FIG. 2 in use;

FIG. 4 is a schematic illustration of the conveyor line of FIG. 1;

FIG. 5 is a schematic view of the positioning mechanism and the driving mechanism of FIG. 1;

FIG. 6 is a schematic diagram of the forming press-fitting apparatus of FIG. 1;

FIG. 7 is a schematic structural diagram of a shaping device in the first embodiment of FIG. 1;

FIG. 8 is a schematic view of a portion of the structure of FIG. 7;

FIG. 9 is a schematic structural view of the center slider of FIG. 7;

FIG. 10 is a schematic view of a portion of the structure of FIG. 8;

FIG. 11 is a schematic view of the welding apparatus of FIG. 1;

FIG. 12 is a schematic view of a portion of the structure of FIG. 11;

FIG. 13 is a schematic view of the rotation detecting member shown in FIG. 1;

FIG. 14 is an enlarged view of a portion of FIG. 13;

FIG. 15 is a schematic view of the jaw assembly of FIG. 1 in use;

FIG. 16 is a schematic structural diagram of the shaping device in the second embodiment of FIG. 1;

FIG. 17 is a first view of the first partial structure of FIG. 16;

fig. 18 is a partial schematic structural diagram of fig. 16.

Description of reference numerals:

10. assembling a plate; 11. a base plate; 12. a positioning assembly; 121. a first positioning pin; 122. a second positioning pin; 13. A first positioning portion; 20. a stator core; 21. a first iron core assembling block; 22. a second iron core assembling block; 30. an auxiliary mounting device; 40. a molding press-fitting device; 41. a press-fitting mechanism; 411. pressing and mounting a tool; 4111. a first press-fit plate; 4112. a second press-fit plate; 412. a servo module; 42. a human-computer interaction terminal; 43. a first measuring instrument; 50. a shaping and shaping device; 51. a shaping mechanism; 511. a shaping component; 5111. a shaping substrate; 5112. a central slider; 5113. Shaping the sliding block; 512. a shaping driving member; 513. a shaping reset piece; 5131. a first limiting part; 5132. a second limiting part; 514. a first shaping member; 5141. a first guide groove; 515. a second shaping member; 5151. a second guide groove; 516. a first guide bar; 517. a second guide bar; 518. a second shaping drive; 5191. a first elastic member; 5192. a second elastic member; 52. a limiting mechanism; 53. a central locating piece; 54. a steering mechanism; 541. a gear; 542. a steering drive member; 543. a support shaft; 55. a second measuring instrument; 60. a welding device; 61. a welding mechanism; 611. welding a bracket; 612. a welding gun assembly; 6121. a welding gun substrate; 6122. a welding gun body; 613. a lifting assembly; 62. a rotation mechanism; 621. a rotary drive member; 63. rotating the detecting member; 64. an adjustment member; 641. a strip-shaped slide rail; 642. pushing the driving member; 643. connecting blocks; 65. a third measuring instrument; 70. a blanking device; 71. a six-axis robot; 72. a jaw assembly; 80. a conveying line; 81. an operating line; 82. a return line; 90. a thread head lifting platform; 100. A wire end lifting platform; 110. a positioning mechanism; 111. positioning a plate; 112. a lifting plate; 113. a second positioning portion; 114. A positioning post assembly; 120. a drive mechanism; 130. a sensing member.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.