A DC motor rotor assembly device

Abstract

The present invention relates to the technical field of DC motor production, and in particular to a DC motor rotor assembly device. Its technical solution includes: an assembly work component, a rotating shaft transport component slidably mounted on the assembly work component, the assembly work component includes an assembly workbench, the top of the assembly workbench is fixedly connected to a lower output frame, and the bottom of the rotating shaft transport component is fixedly mounted with a processing state adjustment component. The present invention deflects and fits the surface of the iron core through the second arc edge positioning plate, and then adjusts the arc change position of the second arc edge positioning plate. Then, the two second arc edge positioning plates exert a wrapping thrust on the surface of the iron core. Under the wrapping of multiple second arc edge positioning plates arranged in a circular shape with respect to the external ring block, the single-side surface of the iron core has three contact points for positioning, realizing the mutual action of forces, thereby improving the stability of the rotor during assembly, and effectively buffering the pressure when the iron core contacts the rotating shaft.

Description

Technical Field

[0001] The invention relates to the technical field of direct current motor production, and in particular to a direct current motor rotor assembly device. Background Art

[0002] The function of DC motor rotor assembly equipment is to assemble the rotor parts of DC motors to ensure that the various parts of the rotor can be correctly and accurately combined. This helps to ensure the performance and stability of the motor, and ultimately affects the service life and efficiency of the entire motor. Usually, a robot arm is used to assemble the motor core and the shaft to form the motor rotor; and pressing the shaft into the core is an important process in the production process of DC motors. The size of the core varies according to the clamping requirements of different DC motor models.

[0003] In the patent document with the publication number CN220527845U, an automatic pressing device for a DC motor rotor is disclosed, which includes an operating table. The driving assembly drives the driving disk to rotate on the rotating drum, further rotating the driving groove, and then squeezing and guiding the roller, so that the slider can slide in the sliding hole, so that the clamping seat can be controlled to clamp and fix the rotor; it is convenient to clamp and fix rotors of different sizes, and the practicality is better; the hydraulic cylinder presses the pressing block down to press the rotor, and after the pressing is completed, the driving assembly resets the driving disk, so that the clamping seat releases the rotor, and then the electric slide rail moves the fixing frame to the right, which is convenient for removing the rotor, and the operation is simple and quick.

[0004] When the above device is in use, the clamping seat clamps and fixes the iron core. If the diameter of the iron core is different, the clamping requirements of the clamping seat are also different. The clamping seat maintains a regular arc in contact with the iron core, and there are fewer clamping contact points between the clamping seat and the iron core. As the robotic arm presses down on the rotating shaft through the hydraulic assembly, the clamping seat and the iron core are prone to movement, which makes it impossible for the rotating shaft to be pressed into the iron core smoothly. Therefore, the present application proposes a DC motor rotor assembly device. Summary of the invention

[0005] The purpose of the present invention is to propose a DC motor rotor assembly device to address the problem in the background technology that the clamping seat maintains a conventional arc in contact with the iron core, but there are fewer clamping contact points between the clamping seat and the iron core. As the mechanical arm presses down the rotating shaft through the hydraulic component, the clamping seat and the iron core are prone to move, which makes it impossible for the rotating shaft to be pressed into the iron core smoothly.

[0006] The technical solution of the present invention is: a DC motor rotor assembly device, comprising an assembly work component, a shaft transport component slidably mounted on the assembly work component, the assembly work component comprises an assembly workbench, the top of the assembly workbench is fixedly connected to a lower output rack, and the bottom of the shaft transport component is fixedly mounted with a processing state adjustment component;

[0007] A multi-arc adjustment clamping assembly is slidably mounted on the top of the assembly working assembly, which can perform multi-stage variable clamping according to the diameter of the iron core;

[0008] The multi-arc adjustment clamping assembly includes an external ring block slidably mounted on the surface of the lower output frame, a hollow positioning ring is fixedly connected to the top of the external ring block, an iron core placement block is fixedly connected to the center of the upper part of the hollow positioning ring, an external gear ring is rotatably connected to the inside of the hollow positioning ring, at least six auxiliary gears are meshedly connected to the outer side of the external gear ring, and the same number of racks are meshedly connected to the outer sides of at least six of the auxiliary gears, the hollow positioning ring includes a large positioning ring and a small positioning ring, and the racks are slidably mounted on the surfaces of the large positioning ring and the small positioning ring;

[0009] A first arc edge positioning plate is fixedly connected to the top of the rack, two second arc edge positioning plates are hinged on both sides of the first arc edge positioning plate, one side of the first arc edge positioning plate is fixedly connected to an arc edge pressure block through a telescopic airbag block, the arc edge pressure block is fixedly connected to the second arc edge pressure block on the side facing the second arc edge positioning plate, the first arc edge positioning plate is fixedly connected to the first arc edge pressure block on the side facing the arc edge pressure block, and the second arc edge positioning plate is set in an adaptive bending state through the iron core pressure transmitted by the second arc edge pressure block and the first arc edge pressure block.

[0010] Optionally, the first arc edge positioning plate and two second arc edge positioning plates form a three-section core clamping assembly, and an auxiliary spring is fixedly connected to the connection between the second arc edge positioning plate and the first arc edge positioning plate.

[0011] Optionally, the assembly work component further includes a positioning transport frame, and the rotating shaft transport component includes a rotating shaft transport mechanical arm, and the rotating shaft transport mechanical arm is slidably installed inside the positioning transport frame.

[0012] Optionally, the rotating shaft transport component includes an electric telescopic rod fixedly installed at the bottom of the rotating shaft transport robot arm, the bottom of the electric telescopic rod is fixedly connected to a pneumatic adsorption component, the bottom of the pneumatic adsorption component is installed with a rotating shaft, and a negative pressure adsorption state is set between the pneumatic adsorption component and the rotating shaft.

[0013] Optionally, a sliding positioning cavity block is inserted into the side of the first arc edge positioning plate away from the telescopic airbag block, and the sliding positioning cavity block is slidably installed on the external ring block through a slide rail on the external ring block, and a limiting spring is fixedly connected to the connection between the sliding positioning cavity block and the second arc edge positioning plate.

[0014] Optionally, the processing state adjustment component includes auxiliary adjustment columns whose number is the same as the sliding positioning cavity blocks, and the auxiliary adjustment columns are fixedly connected to the inside of the sliding positioning cavity block.

[0015] Optionally, the processing state adjustment component further includes an external frame, which is fixedly mounted on the bottom of the rotating shaft transport robot arm, and the interior of the external frame is fixedly connected with a plurality of arc-shaped positioning frames arranged in a ring shape with respect to the surface of the external frame.

[0016] Optionally, a first hinged rod is hinged on the inner wall of the arc-shaped positioning frame, a second hinged rod is hinged on one side of the first hinged rod, a second telescopic rod is hinged on one side of the first hinged rod, a first telescopic rod is hinged on one side of the second hinged rod, and the second telescopic rod is slidably connected to the telescopic end of the first telescopic rod with a positioning rod, and the positioning rod is fixedly mounted on the bottom of the rotating shaft transport robot arm.

[0017] Optionally, a telescopic airbag is attached to one side of the second hinged rod and the first hinged rod away from the first telescopic rod and the second telescopic rod. The telescopic airbag is fixedly mounted on the inner wall of the arc-shaped positioning frame, and an extrusion block is fixedly connected to one side of the telescopic airbag.

[0018] Optionally, the diameters of the two side surfaces of the auxiliary adjustment column are larger than the diameter of the middle side surface, and the diameters of the two side surfaces of the auxiliary adjustment column are the same.

[0019] In summary, the present application includes at least one of the following beneficial technical effects:

[0020] 1. The auxiliary gear drives the rack to slide along the large and small hollow positioning rings, and adjusts the distance between the rack and the center of the circle to adapt to the installation of iron cores of different diameters. The second arc edge positioning plate is deflected and fits the surface of the iron core, and then the arc change position of the second arc edge positioning plate is adjusted. Then, the two second arc edge positioning plates exert a wrapping thrust on the surface of the iron core. Under the wrapping of multiple second arc edge positioning plates arranged in a circular shape about the external ring block, the single side surface of the iron core has three contact points for positioning, realizing the mutual action of forces, thereby improving the stability of the rotor during assembly, and effectively buffering the pressure when the iron core contacts the rotating shaft;

[0021] 2. The rotating shaft transport mechanical arm is located directly above the multi-arc adjustment clamping assembly. According to the state between the auxiliary adjustment column and the arc positioning frame, the alignment efficiency of the installation of the rotating shaft and the iron core is improved, thereby facilitating positioning and installation, and preventing the main shaft of the rotating shaft transport assembly or the multi-arc adjustment clamping assembly from having errors, and timely repairs are required, thereby reducing the errors caused by the installation of the rotating shaft and the iron core;

[0022] 3. By coordinating the processing state between the air pressure adsorption component and the rotating shaft in the arc-shaped positioning frame through the auxiliary adjustment column, the opening and closing state of the first telescopic rod is changed by the airflow, thereby assisting the rotor assembly, so as to perform corresponding auxiliary work according to the different installation states of the iron core and the rotating shaft, thereby improving the installation efficiency and reducing accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic structural diagram of a DC motor rotor assembly device of the present invention is provided;

[0024] Figure 2 It is a structural schematic diagram of the processing state adjustment component of the present invention;

[0025] Figure 3 It is a structural schematic diagram of the hydraulic adsorption assembly of the present invention;

[0026] Figure 4 for Figure 3 Enlarged view of the middle A area;

[0027] Figure 5 It is a structural schematic diagram of the first arc edge positioning plate of the present invention;

[0028] Figure 6 for Figure 5 Enlarged view of the middle B area;

[0029] Figure 7 It is a schematic diagram of the structure of the external ring block of the present invention;

[0030] Figure 8 for Figure 7 Enlarged view of the middle C area;

[0031] Fig. 9 It is a structural schematic diagram of the iron core placement block of the present invention;

[0032] Fig.10 It is a schematic structural diagram of an auxiliary gear example of the present invention.

[0033] Figure numerals: 1, assembly work assembly; 101, assembly workbench; 102, positioning transport rack; 103, lower output rack; 2, shaft transport assembly; 201, shaft transport mechanical arm; 202, electric telescopic rod; 203, shaft; 204, air pressure adsorption assembly; 3, processing state adjustment assembly; 301, external frame; 302, arc positioning frame; 303, first hinged rod; 304, second hinged rod; 305, first telescopic rod; 306, telescopic airbag; 307, extrusion block; 30 8. Auxiliary adjustment column; 309. Second telescopic rod; 310. Positioning rod; 4. Multi-arc adjustment clamping assembly; 401. External ring block; 402. Hollow positioning ring; 403. Core placement block; 404. Sliding positioning cavity block; 405. First arc edge positioning plate; 406. Second arc edge positioning plate; 407. Auxiliary gear; 408. Arc edge pressure block; 409. First arc edge pressure block; 410. Second arc edge pressure block; 411. External gear ring; 412. Telescopic airbag block; 413. Rack. DETAILED DESCRIPTION

[0034] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0035] like Figure 1 - Figure 8 As shown, a DC motor rotor assembly device proposed by the present invention includes an assembly work component 1, and a shaft transport component 2 slidably mounted on the assembly work component 1, wherein the assembly work component 1 includes an assembly workbench 101, a lower output frame 103 is fixedly connected to the top of the assembly workbench 101, a processing state adjustment component 3 is fixedly mounted on the bottom of the shaft transport component 2, the assembly work component 1 also includes a positioning transport frame 102, and the shaft transport component 2 includes a shaft transport mechanical arm 201, the shaft transport mechanical arm 201 is slidably mounted inside the positioning transport frame 102, and the shaft transport mechanical arm 201 slides and transports the shaft on the positioning transport frame 102;

[0036] The rotating shaft transport component 2 includes an electric telescopic rod 202 fixedly installed at the bottom of the rotating shaft transport mechanical arm 201, and the bottom of the electric telescopic rod 202 is fixedly connected with a gas pressure adsorption component 204, and a rotating shaft 203 is installed at the bottom of the gas pressure adsorption component 204, and the gas pressure adsorption component 204 and the rotating shaft 203 are arranged in a negative pressure adsorption state, and the rotating shaft 203 is adsorbed by the airflow of the gas pressure adsorption component 204, and then the rotating shaft 203 is transported to the iron core directly below through the electric telescopic rod 202;

[0037] according to Figure 1 - Figure 3 The processing state adjustment component 3 includes auxiliary adjustment columns 308 with the same number as the sliding positioning cavity block 404, and the auxiliary adjustment column 308 is fixedly connected to the inside of the sliding positioning cavity block 404. The processing state adjustment component 3 also includes an external frame 301, and the external frame 301 is fixedly installed on the outside of the rotating shaft transport robot arm 201. The inside of the external frame 301 is fixedly connected with a plurality of arc-shaped positioning frames 302 arranged in a ring shape with respect to the surface of the external frame 301. An auxiliary electric telescopic rod is fixedly connected between the external frame 301 and the rotating shaft transport robot arm 201, and the auxiliary electric telescopic rod preferentially drives the plurality of arc-shaped positioning frames 302 to move to the auxiliary adjustment The upper surface of the section column 308, if the auxiliary adjustment column 308 can slide inside the arc positioning frame 302, the side wall of the arc positioning frame 302 has a pressure sensor, and the auxiliary adjustment column 308 transmits pressure information to the pressure sensor, then the shaft transport mechanical arm 201 is located directly above the multi-arc adjustment clamping assembly 4, at this time, the shaft is aligned with the installation position of the core, and then the positioning installation is convenient, if the auxiliary adjustment column 308 cannot slide inside the arc positioning frame 302, then the main shaft of the shaft transport assembly 2 or the multi-arc adjustment clamping assembly 4 has an error, which needs to be repaired, thereby reducing the error caused by the installation of the shaft and the core;

[0038] A first hinged rod 303 is hinged on the inner wall of the arc-shaped positioning frame 302, a second hinged rod 304 is hinged on one side of the first hinged rod 303, a second telescopic rod 309 is hinged on one side of the first hinged rod 303, a first telescopic rod 305 is hinged on one side of the second hinged rod 304, the second telescopic rod 309 and the telescopic end of the first telescopic rod 305 are slidably connected with a positioning rod 310, the positioning rod 310 is fixedly installed at the bottom of the rotating shaft transport mechanical arm 201, a telescopic airbag 306 is attached to the side of the second hinged rod 304 and the first hinged rod 303 away from the first telescopic rod 305 and the second telescopic rod 309, the telescopic airbag 306 is fixedly installed on the inner wall of the arc-shaped positioning frame 302, and one side of the telescopic airbag 306 is fixedly connected with an extrusion The side diameters of the auxiliary adjustment column 308 are larger than the side diameter of the middle part, and the side diameters of the auxiliary adjustment column 308 are the same. When the auxiliary electric telescopic rod follows the downward movement of the air pressure adsorption component 204 to come into initial contact with the upper surface of the auxiliary adjustment column 308, the rotating shaft 203 and the iron core are at the exact center of the installation. As the arc-shaped positioning frame 302 continues to slide along the auxiliary adjustment column 308, the auxiliary adjustment column 308 comes into contact with the extrusion block 307. The extrusion block 307 is pressed to drive the telescopic airbag 306 to extend up and down along the corrugations on the surface. The contact point between the second hinged rod 304 and the first hinged rod 303 along the arc-shaped positioning frame 302 deflects. At this time, the second telescopic rod 309 and the auxiliary adjustment column 308 follow the first The hinged rod 303 and the second hinged rod 304 move in an outward expansion manner, and the second telescopic rod 309 and the auxiliary adjustment column 308 are telescopic tubes, so the telescopic ends of the first telescopic rod 305 and the second telescopic rod 309 move straight up and down along the positioning rod 310. There are three situations here. Since the rotating shaft 203 and the air pressure adsorption component 204 are adsorbed by negative pressure, if the air pressure is seriously insufficient, the rotating shaft 203 will drop farther inside the air pressure adsorption component 204, and the pressure sensors on the surfaces of the second telescopic rod 309 and the first telescopic rod 305 will contact the rotating shaft 203. The indicator lights connected to the two indicate that the equipment needs maintenance. If the rotating shaft 203 is not installed in a standardized manner, resulting in a shorter descending distance of the rotating shaft 203, which does not cause a major problem here, then the second telescopic rod 309 and the first telescopic rod 305 will be installed in a non-standard manner, resulting in a shorter descending distance of the rotating shaft 203. The telescopic rod 309 contacts with it, and the second telescopic rod 309 moves upward along the positioning plug rod 310, providing an upward force to the rotating shaft 203, causing the rotating shaft 203 to be inserted back into the air pressure adsorption component 204 under force. In the third case, the second telescopic rod 309 contacts the rotating shaft 203 normally, thereby preventing the rotating shaft 203 from having an accident during the initial investment, and the arc-shaped positioning frame 302 continues to move down along the auxiliary adjustment column 308 to the central position of the auxiliary adjustment column 308. At this time, the extrusion block 307 does not contact the auxiliary adjustment column 308. At this time, the air pressure adsorption component 204 drives the rotating shaft 203 to contact the iron core, and as the air pressure adsorption component 204 is loosened, the rotating shaft 203 and the iron core are pressed and assembled, and the rotating shaft 203 does not contact the second telescopic rod 309.When the auxiliary adjustment column 308 continues to slide along the arc-shaped positioning frame 302, the auxiliary adjustment column 308 re-compresses the second hinge rod 304 and the first hinge rod 303 to open. If the negative pressure between the air pressure adsorption component 204 and the rotating shaft 203 is too tight, causing the air pressure adsorption component 204 and the rotating shaft 203 to be unable to be completely separated, when the first telescopic rod 305 opens outward, the first telescopic rod 305 pushes the rotating shaft 203 to accelerate the departure from the air pressure adsorption component 204, thereby performing corresponding auxiliary work according to the different installation states of the iron core and the rotating shaft, thereby improving installation efficiency and reducing accidents.

[0039] A multi-arc adjustment clamping component 4 is slidably mounted on the top of the assembly working component 1 and can perform multi-stage variable clamping according to the diameter of the iron core.

[0040] Figure 6 - Fig.10 The multi-arc adjustment clamping assembly 4 includes an external ring block 401 slidably mounted on the surface of the lower output frame 103. The external ring block 401 slides on the lower output frame 103 to transport the iron core. A hollow positioning ring 402 is fixedly connected to the top of the external ring block 401. An iron core placement block 403 is fixedly connected to the center of the upper part of the hollow positioning ring 402. The inner rotation of the hollow positioning ring 402 is connected to an external gear ring 411. The outer side of the external gear ring 411 is meshedly connected to at least six auxiliary gears 407. The outer sides of at least six auxiliary gears 407 are meshedly connected to the same number of racks 413. The hollow positioning ring 402 includes a large positioning ring and a small positioning ring. The rack 413 is slidably mounted on the surfaces of the large positioning ring and the small positioning ring. It is explained here that the working mode of the external gear ring 411 can be that the inner wall and the outer wall of the external gear ring 411 have gear teeth, the interior of the hollow positioning ring 402 is equipped with a forward and reverse motor, and the output shaft of the forward and reverse motor is equipped with an external gear, and the external gear drives the external gear ring 411 to rotate accordingly, and the external gear ring 411 drives the auxiliary gear 407 to rotate by meshing with the auxiliary gear 407, and the auxiliary gear 407 drives the rack 413 to slide along the large positioning ring and the small positioning ring of the hollow positioning ring 402, and adjusts the distance between the rack 413 and the center of the circle to adapt to the installation of iron cores with different diameters;

[0041] In this embodiment, the top of the rack 413 is fixedly connected to the first arc edge positioning plate 405, and two second arc edge positioning plates 406 are hinged on both sides of the first arc edge positioning plate 405. One side of the first arc edge positioning plate 405 is fixedly connected to the arc edge pressure block 408 through the telescopic airbag block 412, and the arc edge pressure block 408 is fixedly connected to the second arc edge pressure block 410 on the side facing the second arc edge positioning plate 406. The first arc edge positioning plate 405 is fixedly connected to the arc edge pressure block 408 on the side facing the arc edge pressure block 408. There is a first arc edge pressing block 409, and the second arc edge positioning plate 406 is set in an adaptive bending state through the iron core pressure transmitted by the second arc edge pressing block 410 and the first arc edge pressing block 409. As the rack 413 drives the first arc edge positioning plate 405 to gradually approach the iron core placed on the iron core placement block 403, the position of the first arc edge positioning plate 405 is different according to the different diameters of the iron core. When the first arc edge positioning plate 405 contacts the outer side of the iron core, if the arc of the first arc edge positioning plate 405 The arc edge positioning plate 405 has at least one contact point with the iron core. As the arc edge pressure block 408 is compressed, it moves toward one side of the first arc edge positioning plate 405 under the limit of the telescopic airbag block 412. The arc edges of the arc edge pressure block 408 contact the arc edges of the second arc edge pressure block 410. The force point of the second arc edge pressure block 410 causes the second arc edge positioning plate 406 to deflect along the connection of the first arc edge positioning plate 405. 06 is deflected and fitted to the surface of the iron core, and then the arc change position of the second arc edge positioning plate 406 is adjusted, and the two second arc edge positioning plates 406 exert a wrapping thrust on the surface of the iron core. Under the wrapping of multiple second arc edge positioning plates 406 arranged in a circular shape with respect to the external ring block 401, there are three contact points on the single side surface of the iron core for positioning, realizing the mutual action of forces, thereby improving the stability of the rotor during assembly, and effectively buffering the pressure when the iron core contacts the rotating shaft;

[0042] The first arc edge positioning plate 405 and the two second arc edge positioning plates 406 form a three-section core clamping assembly. The connection between the second arc edge positioning plate 406 and the first arc edge positioning plate 405 is fixedly connected with an auxiliary spring, which effectively changes the curvature according to the different diameters of the core, so that the single side of the core is always clamped by three points, and the auxiliary spring can push the second arc edge positioning plate 406 back to a distance.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0044] "Comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus.

[0045] The above specific embodiments are only several optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant inspirations of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A DC motor rotor assembly device, comprising an assembly working component (1), and a shaft transport component (2) slidably mounted on the assembly working component (1), wherein the assembly working component (1) comprises an assembly workbench (101), and a lower output frame (103) is fixedly connected to the top of the assembly workbench (101), characterized in that: A processing state adjustment component (3) is fixedly mounted on the bottom of the rotating shaft transport component (2); A multi-arc adjustable clamping component (4) is slidably mounted on the top of the assembly working component (1) and can perform multi-stage variable clamping according to the diameter of the iron core; The multi-arc adjustment clamping assembly (4) comprises an external ring block (401) slidably mounted on the surface of the lower output frame (103); a hollow positioning ring (402) is fixedly connected to the top of the external ring block (401); an iron core placement block (403) is fixedly connected to the center of the top of the hollow positioning ring (402); an external gear ring (411) is rotatably connected to the inside of the hollow positioning ring (402); at least six auxiliary gears (407) are meshedly connected to the outside of the external gear ring (411); a rack (413) is meshedly connected to the outside of the auxiliary gear (407); and the number of the racks (413) corresponds to that of the auxiliary gears (407); the hollow positioning ring (402) comprises a large positioning ring and a small positioning ring; and the rack (413) is slidably mounted on the surfaces of the large positioning ring and the small positioning ring; A first arc edge positioning plate (405) is fixedly connected to the top of the rack (413); two second arc edge positioning plates (406) are hingedly connected to both sides of the first arc edge positioning plate (405); one side of the first arc edge positioning plate (405) is fixedly connected to an arc edge pressure block (408) via a telescopic airbag block (412); a second arc edge pressure block (410) is fixedly connected to the side of the arc edge pressure block (408) facing the second arc edge positioning plate (406); a first arc edge pressure block (409) is fixedly connected to the side of the first arc edge positioning plate (405) facing the arc edge pressure block (408); and the iron core pressure transmitted by the second arc edge pressure block (410) and the first arc edge pressure block (409) to the second arc edge positioning plate (406) is set in an adaptive bending state.

2. A DC motor rotor assembly device according to claim 1, characterized in that: The first arc edge positioning plate (405) and the two second arc edge positioning plates (406) form a three-section iron core clamping assembly, and an auxiliary spring is fixedly connected at the connection between the second arc edge positioning plate (406) and the first arc edge positioning plate (405).

3. A DC motor rotor assembly device according to claim 1, characterized in that: The assembly work component (1) further comprises a positioning transport frame (102), and the rotating shaft transport component (2) comprises a rotating shaft transport mechanical arm (201), wherein the rotating shaft transport mechanical arm (201) is slidably mounted inside the positioning transport frame (102).

4. A DC motor rotor assembly device according to claim 3, characterized in that: The rotating shaft transport component (2) comprises an electric telescopic rod (202) fixedly mounted at the bottom of the rotating shaft transport mechanical arm (201); a gas pressure adsorption component (204) is fixedly connected to the bottom of the electric telescopic rod (202); a rotating shaft (203) is mounted at the bottom of the gas pressure adsorption component (204); and a negative pressure adsorption state is set between the gas pressure adsorption component (204) and the rotating shaft (203).

5. A DC motor rotor assembly device according to claim 4, characterized in that: A sliding positioning cavity block (404) is inserted into the side of the first arc edge positioning plate (405) away from the telescopic airbag block (412); the sliding positioning cavity block (404) is slidably mounted on the external ring block (401) via a slide rail on the external ring block (401); and a limit spring is fixedly connected to the connection between the sliding positioning cavity block (404) and the second arc edge positioning plate (406).

6. A DC motor rotor assembly device according to claim 5, characterized in that: The processing state adjustment component (3) comprises auxiliary adjustment columns (308) whose number is the same as the number of the sliding positioning cavity block (404); the auxiliary adjustment columns (308) are fixedly connected inside the sliding positioning cavity block (404).

7. A DC motor rotor assembly device according to claim 6, characterized in that: The processing state adjustment component (3) further comprises an external frame (301), wherein the external frame (301) is fixedly mounted on the outside of the rotating shaft transport robot arm (201), and a plurality of arc-shaped positioning frames (302) arranged in a ring shape with respect to the surface of the external frame (301) are fixedly connected to the inside of the external frame (301).

8. A DC motor rotor assembly device according to claim 7, characterized in that: A first hinged rod (303) is hinged on the inner wall of the arc-shaped positioning frame (302); a second hinged rod (304) is hinged on one side of the first hinged rod (303); a second telescopic rod (309) is hinged on one side of the first hinged rod (303); a first telescopic rod (305) is hinged on one side of the second hinged rod (304); a positioning plug rod (310) is slidably connected between the telescopic ends of the second telescopic rod (309) and the first telescopic rod (305); and the positioning plug rod (310) is fixedly mounted on the bottom of the rotating shaft transport mechanical arm (201).

9. A DC motor rotor assembly device according to claim 8, characterized in that: A telescopic airbag (306) is attached to one side of the second hinged rod (304) and the first hinged rod (303) away from the first telescopic rod (305) and the second telescopic rod (309); the telescopic airbag (306) is fixedly mounted on the inner wall of the arc-shaped positioning frame (302); and an extrusion block (307) is fixedly connected to one side of the telescopic airbag (306).

10. A DC motor rotor assembly device according to claim 9, characterized in that: The diameters of the two side surfaces of the auxiliary adjustment column (308) are larger than the diameter of the middle side surface, and the diameters of the two side surfaces of the auxiliary adjustment column (308) are the same.

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