Motor rotor production line

Abstract

The utility model provides a motor rotor production line. The motor rotor production line comprises an iron core feeding device, a magnetic steel inserting device, an iron core injection molding device, an iron core overlying device and a rotary transformer press fitting detection device which are arranged in sequence. The iron core feeding equipment is used for loading an iron core onto a charging tray; the magnetic steel inserting equipment is used for inserting magnetic steel into the iron core on the charging tray; the iron core injection molding equipment is used for carrying out injection molding on an iron core assembled with magnetic steel; the iron core laminating equipment is used for laminating and assembling a rotating shaft, a dynamic balance plate, a rotor pressing ring, a rotary transformer rotor and an iron core subjected to injection molding to form an assembly part; the rotary transformer press-fitting detection equipment is used for performing press-fitting on the assembly part, the rotary transformer rotor pressing ring and the key to form a rotor and performing dynamic balancing, magnetizing and magnetic detection on the rotor. The motor rotor production line can automatically assemble and test products, improve the working efficiency and save the labor cost.

Description

Technical Field

[0001] The utility model relates to the technical field of product assembly and testing, and more specifically, to a motor rotor production line. Background Art

[0002] The motor rotor is the rotating part of the motor, which can convert electrical energy into mechanical energy to achieve the purpose of rotation. Specifically, the basic functions of the motor rotor include the following aspects: 1. Transmitting driving force and torque: The motor rotor transmits the driving force of the power supply and assumes the role of torque transmission, so that the output shaft can realize the rotation of mechanical parts; 2. Converting electrical energy into mechanical energy: When the motor rotor is working, it converts electrical energy into mechanical energy, so that the motor can drive the operation of mechanical equipment; 3. Realizing energy conversion: The motor rotor can not only convert electrical energy into mechanical energy, but also realize the conversion of other types of energy, such as thermal energy, light energy, chemical energy, etc.

[0003] In the mechanical field, motor rotors, as an important component of motors, are widely used. The following are some typical application scenarios: 1. Machine tool equipment: Many machine tool equipment requires motor rotors to drive, such as milling machines, drilling machines, grinders, etc.; 2. Industrial production lines: Many production lines require mechanical processing or assembly, which requires the help of motor rotors; 3. Transportation: Motor rotors have been widely used in transportation vehicles such as cars, airplanes, and trains, providing a source of power.

[0004] However, during the production process of motor rotors, manual assembly and testing are required, resulting in low work efficiency and high risk of manual operation. Utility Model Content

[0005] In view of the above problems, the utility model provides a motor rotor production line capable of automatically assembling and testing products, improving work efficiency and saving labor costs.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a motor rotor production line, comprising:

[0008] The iron core feeding equipment, the magnetic steel inserting equipment, the iron core injection molding equipment, the iron core stacking equipment and the resolver press-fitting detection equipment are arranged in sequence; the iron core feeding equipment is used to load the iron core onto the material tray; the magnetic steel inserting equipment is used to insert the magnetic steel into the iron core on the material tray; the iron core injection molding equipment is used to injection mold the iron core equipped with the magnetic steel; the iron core stacking equipment is used to stack and assemble the rotating shaft, the dynamic balancing plate, the rotor pressure ring and the resolver rotor with the injection molded iron core to form an assembly; the resolver press-fitting detection equipment is used to press the assembly, the resolver rotor pressure ring and the key to form a rotor and perform dynamic balancing, magnetization and magnetic detection on the rotor.

[0009] The preferred solution is that the core loading equipment includes a core loading mechanism for loading cores, a first transfer mechanism and a visual guidance mechanism for transferring the loaded cores to a material tray; the first transfer mechanism can drive the cores to be photographed at the visual guidance mechanism.

[0010] A preferred solution is that the magnetic steel insertion equipment includes a magnetic steel loading station, a material separation station and an assembly station; the magnetic steel is loaded at the magnetic steel loading station; the magnetic steel includes a first magnetic steel and a second magnetic steel; the first magnetic steel and the second magnetic steel are separated at the material separation station; and the first magnetic steel and the second magnetic steel are respectively inserted into the iron core at the assembly station.

[0011] A preferred solution is that the core injection molding equipment includes an injection molding mechanism and a second transfer mechanism; the second transfer mechanism is used to pick up the core equipped with magnetic steel on the material tray and transfer it to the injection molding mechanism for core injection molding.

[0012] The preferred solution is that the core lamination equipment includes a dynamic balancing plate heating station, a core lamination station and a core heating station;

[0013] The dynamic balancing plate is heated at the dynamic balancing plate heating station; the iron core is heated after injection molding at the iron core heating station; and the heated iron core, the heated dynamic balancing plate, the rotating shaft, the rotor pressure ring and the rotary transformer rotor are stacked and assembled at the iron core stacking station.

[0014] The preferred solution is that the rotary transformer press-fitting detection equipment includes a rotary transformer heating station, a rotary transformer press-fitting station, a dynamic balancing station and a magnetizing station;

[0015] The resolver rotor pressure ring is heated at the resolver heating station; the assembly parts, the heated resolver rotor pressure ring and the key are press-fitted at the resolver press-fitting station; the rotor is dynamically balanced at the dynamic balancing station; and the rotor is magnetized and the magnetic pole is detected at the magnetizing station.

[0016] A preferred solution is that the production line also includes a conveying device for conveying material trays between the iron core loading equipment, the magnetic steel insertion equipment and the iron core injection molding equipment.

[0017] A preferred solution is that the magnetic steel insertion equipment also includes a first magnetic steel cache mechanism for caching the first magnetic steel after material distribution, a second magnetic steel cache mechanism for caching the second magnetic steel after material distribution, and an assembly mechanism; the assembly mechanism is configured to respectively pick up the first magnetic steel at the first magnetic steel cache mechanism and the second magnetic steel at the second magnetic steel cache mechanism, move them to the assembly station, and insert the first magnetic steel and the second magnetic steel onto the iron core on the material tray through a guide structure.

[0018] The preferred solution is that the core lamination equipment further comprises a dynamic balancing plate feeding mechanism, a rotating shaft feeding mechanism, a rotor pressure ring feeding mechanism, a resolver rotor feeding mechanism, a resolver rotor pressure ring feeding mechanism and a third transfer mechanism;

[0019] The third transfer mechanism is configured to transfer the heated iron core and the loaded dynamic balancing plate, the rotating shaft, the rotor pressure ring and the resolver rotor to the iron core stacking station, transfer the loaded dynamic balancing plate to the dynamic balancing plate heating station and transfer the heated dynamic balancing plate to the iron core stacking station.

[0020] The preferred solution is that the rotary transformer press-fit detection device further includes a key feeding mechanism, a turnover buffer mechanism, a feeding mechanism and a fourth transfer mechanism; key feeding is performed at the key feeding mechanism; assembly parts are buffered at the turnover buffer mechanism;

[0021] The fourth transfer mechanism is configured to transfer the assembly parts on the turnover buffer mechanism, the resolver rotor at the resolver heating station, and the keys on the key feeding mechanism to the resolver pressing station; and to transfer the rotor to the dynamic balancing station, transfer the rotor after dynamic balancing to the magnetizing station, and transfer the rotor after magnetization and magnetic pole detection to the unloading mechanism for product unloading.

[0022] The beneficial effects of the utility model are:

[0023] The utility model realizes automatic assembly and detection of motor rotors through the cooperation of core feeding equipment, magnetic steel insertion equipment, core injection molding equipment, core stacking equipment and rotary transformer press-fitting detection equipment which are arranged in sequence. The labor intensity is low, the production is stable, the detection result is accurate, the product yield is high, and the product quality is guaranteed. The entire production line realizes fully automatic loading and unloading and automatic product assembly and testing, and fully automatic unmanned production is realized without manual operation, which solves the impact of manual assembly and greatly saves labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0026] Figure 2It is a structural schematic diagram of the iron core feeding equipment of the utility model.

[0027] Figure 3 It is a structural schematic diagram of the magnetic steel insertion equipment of the utility model.

[0028] Figure 4 It is a structural schematic diagram of the iron core injection molding equipment of the utility model.

[0029] Figure 5 It is a structural schematic diagram of the iron core lamination equipment of the utility model.

[0030] Figure 6 It is a structural schematic diagram of the rotary transformer press-fit detection equipment of the utility model.

[0031] Reference numerals:

[0032] 1. Iron core feeding equipment; 2. Magnetic steel insertion equipment; 3. Iron core injection molding equipment; 4. Iron core lamination equipment; 5. Rotary transformer press assembly detection equipment; 6. Conveying device; 11. Iron core feeding mechanism; 12. First transfer mechanism; 13. Visual guidance mechanism; 21 Magnetic steel feeding station; 22 Material separation station; 24. First magnetic steel buffer mechanism; 25. Second magnetic steel buffer mechanism; 26. First assembly manipulator; 27. Second assembly manipulator; 28. First guide structure; 29. ​​Second guide structure; 31. Injection molding mechanism; 32. Second transfer mechanism; 41. Dynamic balance plate heating station; 42. Iron core lamination position; 431, heating cache structure; 432, core heating structure; 433, pick-and-place mechanism; 44, dynamic balancing plate feeding mechanism; 45, shaft feeding mechanism; 46, rotor pressure ring feeding mechanism; 47, resolver rotor feeding mechanism; 48, resolver rotor pressure ring feeding mechanism; 491, first transfer robot; 492, second transfer robot; 493, third transfer robot; 51, resolver heating station; 52, resolver pressing station; 53, dynamic balancing station; 54, magnetizing station; 55, key feeding mechanism; 56, turnover cache mechanism; 57, unloading mechanism; 58, fourth transfer mechanism. DETAILED DESCRIPTION

[0033] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0034] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

[0035] Techniques and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the techniques and equipment should be considered part of the specification.

[0036] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0037] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0038] In order to solve the problem that manual assembly and testing are required during the production of motor rotors, resulting in low work efficiency and high risk of manual operation. Figures 1 to 6 As shown, specifically, the motor rotor production line comprises: an iron core feeding device 1, a magnetic steel insertion device 2, an iron core injection molding device 3, an iron core stacking device 4 and a rotary transformer press-fitting detection device 5 which are arranged in sequence; the iron core feeding device 1 is used to load the iron core onto a material tray; the magnetic steel insertion device 2 is used to insert the magnetic steel into the iron core on the material tray; the iron core injection molding device 3 is used to perform injection molding on the iron core equipped with the magnetic steel; the iron core stacking device 4 is used to stack and assemble the rotating shaft, the dynamic balancing plate, the rotor pressure ring and the rotary transformer rotor with the injection molded iron core to form an assembly; the rotary transformer press-fitting detection device 5 is used to press the assembly, the rotary transformer rotor pressure ring and the key to form a rotor and perform dynamic balancing, magnetization and magnetic detection on the rotor; the assembly is a semi-finished product, and the rotor is a qualified product if all the tests pass, and an unqualified product if a certain test fails. The entire production line realizes fully automatic loading and unloading of products and automatic assembly and testing. The workflow of the above production line is: automatic loading of iron cores, insertion of magnetic steel, injection molding of iron cores, lamination of iron cores, dynamic balancing detection of rotors, magnetization and magnetic pole detection of rotors, and unloading of finished products. The motor rotor production line can reduce labor intensity, stable production, high yield, accurate detection results, and guaranteed product quality. Thus, the problems of complex manual operation, low safety, poor stability, low efficiency, complex and error-prone product changeover, and high noise of motor rotors are solved. Through this production line, a production line that originally required 20 people can directly save 20 people, thereby realizing fully automatic unmanned production. It can be understood by those skilled in the art that the motor rotor finished product produced on this production line is assembled from iron cores, magnetic steels, dynamic balancing plates, rotating shafts, rotor pressure rings, rotary rotors, rotary rotor pressure rings and keys.

[0039] In a specific embodiment, the core loading equipment 1 includes a core loading mechanism 11 for loading cores, a first transfer mechanism 12 and a visual guidance mechanism 13 for transferring the loaded cores to a tray; the first transfer mechanism 12 can drive the cores to be photographed and positioned at the visual guidance mechanism 13, the core loading mechanism 11 can be an AGV trolley, and the cores are transported to the core loading position by the AGV trolley, the first transfer mechanism 12 can be a six-axis manipulator, which has a 3D visual photography and positioning function, can directly pick up the cores on the AGV trolley, and cooperate with the visual guidance mechanism 13 to quickly and accurately transport the cores to the tray, and one tray can have two core placement positions and carry two cores at the same time. The entire production line uses the AGV trolley and the six-axis manipulator to achieve fully automatic unmanned production.

[0040] Furthermore, the production line also includes a conveying device 6 for conveying material trays between the core loading equipment 1, the magnetic steel insertion equipment 2 and the core injection molding equipment 3, which can specifically be a belt line. The material tray circulates between the core loading equipment 1, the magnetic steel insertion equipment 2 and the core injection molding equipment 3 through the conveying device 6. A material tray loader is arranged at the head end of the conveying device 6 to load the material tray onto the conveying device 6. After the material tray is loaded onto the conveying device 6, it will pass through the core loading equipment 1, the magnetic steel insertion equipment 2 and the core injection molding equipment 3 in sequence, and when the iron core and the magnetic steel injection molding are completed and transferred from the material tray to the core heating station, the empty material tray will rotate on the conveying device 6 to the core loading equipment 1, thereby realizing the recycling of the material tray.

[0041] In a specific embodiment, the magnetic steel insertion equipment 2 includes a magnetic steel loading station 21, a material dividing station 22 and an assembly station; magnetic steel is loaded at the magnetic steel loading station 21; the magnetic steel includes a first magnetic steel and a second magnetic steel, and the first magnetic steel and the second magnetic steel are different in size and need to be inserted into different sockets on the iron core respectively; the first magnetic steel and the second magnetic steel are divided at the material dividing station 22; the first magnetic steel and the second magnetic steel are respectively inserted into the iron core at the assembly station; an AGV trolley can be set at the magnetic steel loading station 21 to transport and load the magnetic steel, and the magnetic steel can also be loaded through a magnetic steel roller mechanism, and the magnetic steel at the magnetic steel loading station 21 is picked up by a material dividing robot set at the material dividing station 22, and the first magnetic steel and the second magnetic steel are divided and placed in the magnetic steel cache position. After the material dividing is completed, the two types of magnetic steel are respectively inserted into the iron core at the assembly station through the assembly mechanism.

[0042] In order to further improve the assembly efficiency, the production line includes two magnetic steel insertion devices 2 arranged side by side; and the magnetic steel insertion device 2 also includes a first magnetic steel cache mechanism 24 for caching the first magnetic steel after the material is divided, a second magnetic steel cache mechanism 25 for caching the second magnetic steel after the material is divided, and an assembly mechanism; the magnetic steel is cached and loaded through the first magnetic steel cache mechanism 24 and the second magnetic steel cache mechanism 25; and then the first magnetic steel at the first magnetic steel cache mechanism 24 and the second magnetic steel at the second magnetic steel cache mechanism 25 are picked up by the assembly mechanism respectively, and the first magnetic steel and the second magnetic steel are moved to the assembly station through the guide structure. The magnet is inserted into the iron core on the material tray. More specifically, the assembly mechanism includes two assembly robots, which correspond to two assembly stations respectively. A first guide structure 28 matching the first magnet is provided at the first assembly station, and a second guide structure 29 matching the second magnet is provided at the second assembly station to guide the insertion of the magnet; the first assembly robot 26 can pick up two first magnets at a time to insert the first magnet into the iron core at the first assembly station, and the second assembly robot 27 can pick up two second magnets at a time to insert the second magnet into the iron core at the second assembly station.

[0043] In a specific embodiment, the core injection molding equipment 3 includes two injection molding mechanisms 31 and a second transfer mechanism 32 arranged side by side; the second transfer mechanism 32 is used to pick up the core equipped with magnetic steel on the material tray and transfer it to the injection molding mechanism 31 for core injection molding, thereby fixing the magnetic steel and the core. The second transfer mechanism 32 can be specifically a six-axis manipulator. After the injection molding of the core and the magnetic steel is completed, the second transfer mechanism 32 can transfer them to the core heating station; the core heating station includes a heating cache structure 431, a core heating structure 432 and a pick-and-place mechanism 433. The second transfer mechanism 32 can transfer the injection-molded core and magnetic steel to the heating cache structure 431. The pick-and-place mechanism 433 can pick up the injection-molded core and magnetic steel at the heating cache structure 431 and transfer them to the core heating structure 432 for the core heating step. The above-mentioned pick-and-place mechanism 433 can be a six-axis manipulator.

[0044] In a specific embodiment, the core stacking equipment 4 includes a dynamic balancing plate heating station 41, a core stacking station 42 and a core heating station; the dynamic balancing plate is heated at the dynamic balancing plate heating station 41; the core is heated after injection molding at the core heating station; and the heated core, the heated dynamic balancing plate, the rotating shaft, the rotor pressure ring and the rotary transformer rotor are stacked and assembled at the core stacking station 42.

[0045] Furthermore, the core lamination equipment 4 also includes a dynamic balancing plate loading mechanism 44, a rotating shaft loading mechanism 45, a rotor pressure ring loading mechanism 46, a rotary rotor loading mechanism 47, a rotary rotor pressure ring loading mechanism 48 and a third transfer mechanism; the dynamic balancing plate loading mechanism 44, the rotating shaft loading mechanism 45, the rotor pressure ring loading mechanism 46, the rotary rotor loading mechanism 47, the rotary rotor pressure ring loading mechanism 48 can be one of an AGV trolley, a roller loading machine or a vibration plate loading machine, which can be selected according to actual needs; the third transfer mechanism is configured to transfer the heated core and the dynamic balancing plate after loading The plate, shaft, rotor pressure ring and rotary transformer rotor are transferred to the core stacking station 42, the dynamic balancing plate after loading is transferred to the dynamic balancing plate heating station 41 and the heated dynamic balancing plate is transferred to the core stacking station 42; specifically, the third transfer mechanism includes a first transfer robot 491, a second transfer robot 492 and a third transfer robot 493; firstly, the first transfer robot 491 takes six heated cores at the core heating station and places them in the core stacking station 42 through visual photography guidance, and presses them through a press machine; then, the second transfer robot 492 takes six heated cores at the core heating station and places them on the shaft through visual photography guidance. The rotating shaft is taken from the feeding mechanism 45 and placed on the press. The second transfer robot 492 takes the dynamic balancing plate from the dynamic balancing plate feeding mechanism 44 and places it on the dynamic balancing plate heating station 41 for heating the dynamic balancing plate through visual photography guidance, and places the heated dynamic balancing plate on the press for press-fitting; the third transfer robot 493 takes the rotor pressure ring and the resolver rotor from the rotor pressure ring feeding mechanism 46 and the resolver rotor feeding mechanism 47 through visual photography guidance and places them on the press for press-fitting. The press includes two core stacking stations 42 that can perform press-fitting operations simultaneously; the tooling performed at the core stacking station 42 The pressing process is as follows: first place a dynamic balancing plate on the pressing machine, and place six heated iron cores on the dynamic balancing plate, place another dynamic balancing plate on the top iron core, and then pass the rotating shaft through the iron core and the dynamic balancing plate, and install the rotor pressure ring and the rotary transformer rotor on the end of the rotating shaft, and finally start the pressing machine for pressing to form an assembly; in addition, the third transfer robot 493 can take the rotary transformer rotor pressure ring at the rotary transformer rotor pressure ring feeding mechanism 48 through visual photography guidance and place it on the rotary transformer heating station 51. After the pressing is completed, the assembly will be transferred to the turnover platform by the first transfer robot 491.

[0046] In a specific embodiment, the rotary transformer press-fit detection equipment 5 includes a rotary transformer heating station 51, a rotary transformer press-fit station 52, a dynamic balancing station 53 and a magnetizing station 54; the rotary transformer heating station 51 heats the rotary transformer rotor pressure ring; the rotary transformer press-fit station 52 presses the assembly part, the heated rotary transformer rotor pressure ring and the key to form a rotor, specifically, first assemble the rotary transformer rotor pressure ring and the key to the assembly part and then start the press-fit machine for press-fitting; the dynamic balancing station 53 performs a dynamic balancing test on the rotor; the magnetizing station 54 performs rotor magnetization and magnetic pole detection. Since the core stacking station 42 and the rotary transformer press-fit station 52 are complicated and dangerous when operated manually, and the parts need to be heated at high temperature, the use of this automated production line can well solve the above problems.

[0047] Furthermore, the rotary transformer press-fitting detection device 5 also includes a key feeding mechanism 55, a turnover buffer mechanism 56, a feeding mechanism 57 and a fourth transfer mechanism 58. The fourth transfer mechanism 58 can be a six-axis manipulator; keys are fed at the key feeding mechanism 55; the turnover buffer mechanism 56 is a turnover platform; assembly parts are cached at the turnover buffer mechanism 56; the assembly parts on the turnover buffer mechanism 56, the rotary transformer rotor of the rotary transformer heating station 51, and the keys on the key feeding mechanism 55 are transferred to the rotary transformer press-fitting station 52 through the fourth transfer mechanism 58 for The rotor is formed by press-fitting; the rotor is then transferred to the dynamic balancing station 53 for dynamic balancing detection, and the rotor that has passed the dynamic balancing detection is transferred to the magnetizing station 54 for magnetizing and magnetic pole detection, and the rotor that has passed the magnetizing and magnetic pole detection is transferred to the unloading mechanism 57 for product unloading; further, the product is tested accordingly by the dynamic balancing device and the magnetizing surface magnetic detection device, and the products that have passed the dynamic balancing detection and the magnetic pole detection are OK unloaded at the unloading mechanism 57, and the products that have failed the dynamic balancing detection or the magnetic pole detection are NG unloaded.

[0048] To sum up, the utility model realizes automatic assembly and detection of motor rotors through the cooperation of core feeding equipment, magnetic steel insertion equipment, core injection molding equipment, core stacking equipment and rotary transformer press-fitting detection equipment which are arranged in sequence. The labor intensity is low, the production is stable, the detection result is accurate, the product yield is high, and the product quality is guaranteed. The entire production line realizes fully automatic loading and unloading and automatic assembly and testing of products. Fully automatic unmanned production is realized without manual operation, which solves the impact of manual assembly and greatly saves labor costs.

[0049] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the scope of protection of the present invention.

Claims

1. A motor rotor production line, characterized in that: include: The iron core feeding equipment, magnetic steel inserting equipment, iron core injection molding equipment, iron core lamination equipment and rotary transformer press assembly testing equipment are arranged in sequence; The iron core loading device is used to load the iron core onto the material tray; The magnetic steel insertion equipment is used to insert the magnetic steel into the iron core on the material tray; the iron core injection molding equipment is used to perform injection molding on the iron core equipped with the magnetic steel; the iron core stacking equipment is used to stack and assemble the rotating shaft, dynamic balancing plate, rotor pressure ring and resolver rotor with the injection molded iron core to form an assembly part; the resolver press-fit detection equipment is used to press-fit the assembly part, resolver rotor pressure ring and key to form a rotor and perform dynamic balancing, magnetization and magnetic detection on the rotor.

2. The motor rotor production line according to claim 1, characterized in that: The iron core feeding equipment comprises an iron core feeding mechanism for feeding the iron cores, a first transfer mechanism and a visual guide mechanism for transferring the loaded iron cores to a material tray; The first transfer mechanism can drive the iron core to take photos of the iron core at the visual guidance mechanism.

3. The motor rotor production line according to claim 1, characterized in that: The magnetic steel insertion equipment includes a magnetic steel loading station, a material separation station and an assembly station; the magnetic steel is loaded at the magnetic steel loading station; the magnetic steel includes a first magnetic steel and a second magnetic steel; the first magnetic steel and the second magnetic steel are separated at the material separation station; and the first magnetic steel and the second magnetic steel are respectively inserted into the iron core at the assembly station.

4. The motor rotor production line according to claim 1, characterized in that: The iron core injection molding equipment comprises an injection molding mechanism and a second transfer mechanism; the second transfer mechanism is used to pick up the iron core equipped with magnetic steel on the material tray and transfer it to the injection molding mechanism for iron core injection molding.

5. The motor rotor production line according to claim 1, characterized in that: The core lamination equipment comprises a dynamic balancing plate heating station, a core lamination station and a core heating station; The dynamic balancing plate is heated at the dynamic balancing plate heating station; the iron core is heated after injection molding at the iron core heating station; and the heated iron core, the heated dynamic balancing plate, the rotating shaft, the rotor pressure ring and the rotary transformer rotor are stacked and assembled at the iron core stacking station.

6. The motor rotor production line according to claim 1, characterized in that: The rotary transformer press-fitting detection equipment includes a rotary transformer heating station, a rotary transformer press-fitting station, a dynamic balancing station and a magnetizing station; The resolver rotor pressure ring is heated at the resolver heating station; the assembly parts, the heated resolver rotor pressure ring and the key are press-fitted at the resolver press-fitting station; the rotor is dynamically balanced at the dynamic balancing station; and the rotor is magnetized and the magnetic pole is detected at the magnetizing station.

7. The motor rotor production line according to claim 1, characterized in that: The production line also includes a conveying device for conveying material trays between the iron core loading equipment, the magnetic steel inserting equipment and the iron core injection molding equipment.

8. The motor rotor production line according to claim 3, characterized in that: The magnetic steel inserting equipment also includes a first magnetic steel cache mechanism for caching the first magnetic steel after the material is divided, a second magnetic steel cache mechanism for caching the second magnetic steel after the material is divided, and an assembly mechanism; the assembly mechanism is configured to pick up the first magnetic steel at the first magnetic steel cache mechanism and the second magnetic steel at the second magnetic steel cache mechanism respectively, move them to the assembly station, and insert the first magnetic steel and the second magnetic steel into the iron core on the material tray through the guide structure.

9. The motor rotor production line according to claim 5, characterized in that: The core lamination equipment also includes a dynamic balancing plate feeding mechanism, a rotating shaft feeding mechanism, a rotor pressure ring feeding mechanism, a rotary rotor feeding mechanism, a rotary rotor pressure ring feeding mechanism and a third transfer mechanism; The third transfer mechanism is configured to transfer the heated iron core and the loaded dynamic balancing plate, the rotating shaft, the rotor pressure ring and the resolver rotor to the iron core stacking station, transfer the loaded dynamic balancing plate to the dynamic balancing plate heating station and transfer the heated dynamic balancing plate to the iron core stacking station.

10. The motor rotor production line according to claim 6, characterized in that: The rotary transformer press-fit detection device also includes a key feeding mechanism, a turnover buffer mechanism, a material unloading mechanism and a fourth transfer mechanism; key feeding is performed at the key feeding mechanism; assembly parts are buffered at the turnover buffer mechanism; The fourth transfer mechanism is configured to transfer the assembly parts on the turnover buffer mechanism, the resolver rotor at the resolver heating station, and the keys on the key feeding mechanism to the resolver pressing station; and to transfer the rotor to the dynamic balancing station, transfer the rotor after dynamic balancing to the magnetizing station, and transfer the rotor after magnetization and magnetic pole detection to the unloading mechanism for product unloading.

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