Assembling device and assembling method of motor positioning ring assembly

Abstract

The invention provides an assembling device and method for a motor positioning ring assembly, and belongs to the technical field of motor assembling equipment.The assembling device comprises an upper moving seat, a lower moving seat, a first driving assembly and a second driving assembly, the lower moving seat is provided with a jacking seat, the top of the jacking seat is provided with a first positioning part, and the upper moving seat is provided with a second positioning part; a clamping assembly and a third driving assembly are arranged above the upper moving seat, a top block assembly is arranged on the upper portion of the rack and comprises a base, a sliding plate and a second air cylinder, the sliding plate is arranged on the base in a sliding mode, and a first abutting plane and a second abutting plane are arranged on a rotating shaft, facing the motor body, of the sliding plate; a clearance distance is formed between the first abutting plane and the second abutting plane in the Z-axis direction, and a pressure sensor is arranged on the lower moving seat; according to the invention, the top block assembly is matched with the pressure sensor, so that the rotating shaft of the motor is prevented from being tightly ejected during assembly, and the clearance requirement of the motor is met.

Description

Technical Field

[0001] The invention relates to the technical field of motor assembly equipment, and in particular to an assembly device and an assembly method of a motor positioning ring assembly. Background Art

[0002] As the core driving component of mechanical equipment, the performance and stability of the motor have a vital impact on the operation of the entire system. The motor positioning ring assembly includes a positioning ring and a gasket, which usually needs to be pressed on the front end of the motor housing to improve the stability and reliability of the motor output shaft rotation. However, at present, the assembly of the positioning ring assembly mostly relies on manual operation, which is not only inefficient, but also difficult to ensure assembly accuracy. In particular, there will be errors in the processing of various parts in the motor, resulting in different pressing depths of the positioning ring assembly each time, and it is difficult to ensure assembly consistency through manual operation. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings and deficiencies of the prior art and to provide an assembly device and an assembly method for a motor positioning ring assembly.

[0004] The technical solution adopted by the present invention is as follows: In the first aspect, the present application provides an assembly device for a motor positioning ring assembly, including a frame and a control system, wherein the frame is provided with an upper movable seat, a lower movable seat, a first driving assembly for driving the upper movable seat to move along the Z-axis direction, and a second driving assembly for driving the lower movable seat to move along the Z-axis direction, a pressing seat is provided upward on the lower movable seat, a first positioning portion for placing the positioning ring assembly is provided on the top of the pressing seat, a second positioning portion for placing a motor body is provided on the upper movable seat, a clamping assembly for clamping and fixing the motor body and a third driving assembly are provided above the upper movable seat, and the upper portion of the frame is facing upward The clamping assembly is provided with a top block assembly, which includes a base, a sliding plate and a second cylinder, the driving shaft of the second cylinder is connected to the sliding plate, the sliding plate is slidably set on the base, and a first abutment plane and a second abutment plane are set on the sliding plate towards the rotating shaft of the motor body, and a virtual position spacing is set between the first abutment plane and the second abutment plane in the Z-axis direction. Under the drive of the second cylinder, the sliding plate has a first position in which the first abutment plane is aligned with the rotating shaft and a second position in which the second abutment plane is aligned with the rotating shaft. A pressure sensor connected to the control system is provided on the lower moving seat, and the pressure sensor is used to detect the top pressure on the top pressure seat and feed it back to the control system.

[0005] In some embodiments, two guide rods are arranged on the frame at intervals, an upper sliding seat and a lower sliding seat are arranged on the guide rods, the upper moving seat is connected to the upper sliding seat, the lower moving seat is connected to the lower sliding seat, a mounting plate is arranged on the top of the two guide rods, the first driving assembly includes two first cylinders arranged on the mounting plate, the driving shafts of the two first cylinders are respectively connected to the two ends of the upper moving seat, and the second driving assembly includes a servo electric cylinder arranged on the frame, and the driving shaft of the servo electric cylinder is connected to the lower moving seat.

[0006] In some embodiments, the clamping assembly includes a first slide rail and a second slide rail arranged on the mounting plate along the X-axis direction, the first slide rail is connected to a first movable plate via a slider, the second slide rail is connected to a second movable plate via a slider, a first connecting rod is arranged on the first movable plate, a first clamp block is arranged on the first connection, a second connecting rod is arranged on the second movable plate, a second clamp block is arranged on the second connecting rod, and the third driving assembly is used to drive the first clamp block and the second clamp block to move toward or away from each other.

[0007] In some embodiments, the third driving component includes a push cylinder, a first rack, a second rack and a gear arranged on a mounting plate, the driving shaft of the push cylinder is connected to the first movable plate, the first rack is arranged on the first movable plate, the second rack is arranged on the second movable plate, the first rack and the second rack are arranged parallel to the X-axis direction, the gear is rotatably arranged on the mounting plate and located between the first rack and the second rack, and the gear is meshed with the first rack and the second rack.

[0008] In some embodiments, a mounting frame is provided on the mounting plate, a limiting slot is provided on the mounting frame, the first clamp block and the second clamp block move in the limiting slot, and the base abuts between the mounting plate and the mounting frame.

[0009] In some embodiments, a color mark sensor connected to the control system is further included, and the color mark sensor is used to detect whether the order of the positioning ring and the gasket in the positioning ring assembly in the first positioning part is correct.

[0010] In some embodiments, a first laser sensor connected to the control system is further included, wherein the first laser sensor is used to detect whether a positioning ring assembly is placed in the first positioning portion.

[0011] In some embodiments, a second laser sensor connected to the control system is also included, and the second laser sensor is used to detect whether the motor body is loaded and whether the rear pin position of the motor is within the correct position range.

[0012] In a second aspect, the present application provides a method for assembling a motor positioning ring assembly, which is applied to an assembly device for the motor positioning ring assembly, and comprises the following steps: Step S1: placing the positioning ring assembly on the first positioning portion, and placing the motor body on the second positioning portion; Step S2: the second cylinder drives the sliding plate to move so that the first abutting plane thereon is aligned with the rotating shaft of the motor, and the first driving assembly drives the upper moving seat to move upward until the upper end of the rotating shaft contacts the first abutting plane; Step S3: the third driving assembly drives the clamping assembly to clamp and fix the motor body; Step S4: the second cylinder drives the sliding plate to move so that the second abutting plane thereon is aligned with the rotating shaft of the motor; Step S5: The second driving assembly drives the lower moving seat to move upward, and when the pressure sensor detects that the pressure value reaches a preset value, the assembly is completed.

[0013] In some embodiments, in step S5, when the second driving assembly drives the lower movable seat to move upward so that the positioning ring assembly is close to the motor housing, the second driving assembly is controlled by the control system so that the moving speed of the lower movable seat does not exceed 1.5 mm / s.

[0014] The beneficial effects of the present invention are as follows: In the present invention, the top block assembly cooperates with the pressure sensor to avoid the motor shaft being stuck during assembly, thereby meeting the motor's virtual position requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still belong to the scope of the present invention.

[0016] Figure 1 It is a schematic diagram of an assembly device of a motor positioning ring assembly in the present invention; Figure 2 A partial schematic diagram of an assembly device for a motor positioning ring assembly in the present invention Figure 1 ; Figure 3 A partial schematic diagram of an assembly device for a motor positioning ring assembly in the present invention Figure 2 ; Figure 4 is a schematic diagram of the clamping assembly and the third driving assembly in the present invention; Figure 5 is a schematic diagram of a top block assembly in the present invention; Figure 6 Schematic diagram of the motor in the present invention. DETAILED DESCRIPTION

[0017] The following description provides specific application scenarios and requirements of this specification, with the purpose of enabling those skilled in the art to make and use the contents of this specification. Various local modifications to the disclosed embodiments will be apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of this specification. Therefore, this specification is not limited to the embodiments shown, but to the widest scope consistent with the claims.

[0018] In the description of the present application, it should be noted that, unless otherwise expressly specified and limited, the terms "longitudinal", "transverse", "radial", "length", "width", "thickness", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings. These terms are mainly for better describing the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0019] Secondly, the terms "first", "second" and similar words do not indicate any order, quantity or importance, but are only used to distinguish different components and should not be understood as limitations on the embodiments of the present application.

[0020] In addition, the terms "installed", "set", "provided with", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components.

[0021] For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0022] Regarding the drawings of the present application, it should be clearly understood that the drawings are for illustration and description purposes only and are not intended to limit the scope of the present specification. It should also be understood that the drawings are not drawn to scale.

[0023] In the present application, the motor includes a motor body a and a positioning ring assembly b. The motor body a includes a shell a1 and a rotating shaft a2. Both ends of the rotating shaft a2 extend out of the shell a1. The positioning ring assembly b includes a positioning ring b1 and a gasket b2.

[0024] Motor virtual displacement refers to the amount of movement of the motor shaft a2 or the axial movement of the motor rotor. Specifically, motor virtual displacement means that when the motor is running, due to design or manufacturing reasons, the motor shaft a2 can have a certain range of movement in the axial direction, generally about 0.1mm. This range of movement has a certain impact on the performance and stability of the motor.

[0025] Due to the virtual position of the motor, manual assembly is difficult to control, especially since there are errors in the processing and assembly of each component.

[0026] Embodiment 1: like Figures 1 to 6 As shown, in this embodiment, an assembly device of a motor positioning ring assembly is proposed, including a frame and a control system, wherein the frame is provided with an upper moving seat 1, a lower moving seat 2, a first driving assembly 3 for driving the upper moving seat 1 to move along the Z-axis direction, and a second driving assembly 4 for driving the lower moving seat 2 to move along the Z-axis direction, wherein the first driving assembly 3 and the second driving assembly 4 can both adopt a cylinder structure or an electric cylinder structure, and if an electric cylinder is adopted, a servo electric cylinder is preferably used, which has high control accuracy.

[0027] In this embodiment, two guide rods 5 are arranged on the frame at intervals, an upper sliding seat 50 and a lower sliding seat 51 are arranged on the guide rods 5, the upper moving seat 1 is connected to the upper sliding seat 50, the lower moving seat 2 is connected to the lower sliding seat 51, a mounting plate 6 is arranged on the top of the two guide rods 5, the first driving assembly 3 includes two first cylinders 30 arranged on the mounting plate 6, the driving shafts of the two first cylinders 30 are respectively connected to the two ends of the upper moving seat 1, and the second driving assembly 4 includes a servo electric cylinder 40 arranged on the frame, and the driving shaft of the servo electric cylinder 40 is connected to the lower moving seat 2.

[0028] Secondly, a pressing seat 7 is arranged upward on the lower movable seat 2, and the pressing seat 7 is coaxially arranged with the driving shaft of the servo electric cylinder 40. A first positioning portion 70 for placing the positioning ring assembly b is arranged on the top of the pressing seat 7. In this embodiment, the first positioning portion 70 is a positioning shaft, and a convex column portion is arranged at the lower end of the positioning shaft. A slideway is arranged axially inside the pressing seat 7, and the convex column portion is slidably arranged on the slideway. The positioning shaft extends out of the slideway, and the positioning ring assembly is sleeved on the positioning shaft.

[0029] In the disclosed embodiment, the upper movable seat 1 is provided with a second positioning portion 100 for placing the motor body a. Specifically, the second positioning portion 100 includes an upper groove portion, a lower groove portion and a through hole portion that penetrates the upper groove portion and the lower groove portion. The upper groove portion is adapted to the motor body a and can be embedded in the lower portion of the motor body a, the lower groove portion is adapted to the top pressure seat 7 and can be inserted into the top pressure seat 7, and the through hole portion can allow the rotating shaft a2 to pass through. In this way, the positioning of each part during the assembly process is more accurate, thereby improving the assembly accuracy of the motor.

[0030] In some embodiments, a clamping assembly 8 and a third driving assembly 9 for clamping and fixing the motor body a are arranged above the upper movable seat 1. In this embodiment, the clamping assembly 8 and the third driving assembly 9 are arranged on the mounting plate 6. Specifically, the clamping assembly 8 includes a first slide rail 80 and a second slide rail 81 arranged on the mounting plate 6 along the X-axis direction, the first slide rail 80 is connected to a first movable plate 82 through a slider, the second slide rail 81 is connected to a second movable plate 83 through a slider, the first movable plate 82 is provided with a first connecting rod 84, the first connecting rod 84 is provided with a first clamping block 85, the second movable plate 83 is provided with a second connecting rod 86, and the second connecting rod 86 is provided with a second clamping block 87. The third driving assembly 9 is used to drive The first clamp 85 and the second clamp 87 move toward or away from each other, and the third driving assembly 9 includes a push cylinder 90, a first rack 91, a second rack 92 and a gear 93 arranged on the mounting plate 6. The driving shaft of the push cylinder 90 is connected to the first movable plate 82, the first rack 91 is arranged on the first movable plate 82, and the second rack 92 is arranged on the second movable plate 83. The first rack 91 and the second rack 92 are arranged parallel to the X-axis direction, and the gear 93 is rotatably arranged on the mounting plate 6 and is located between the first rack 91 and the second rack 92. The gear 93 is meshed with the first rack 91 and the second rack 92. The third driving assembly 9 only requires one driving source, and the first clamp 85 and the second clamp 87 have better synchronization when they approach or separate.

[0031] Since each component has errors in processing and assembly, if the servo electric cylinder is directly set to press the positioning ring component B to the same position, the positioning ring component B may be easily blocked.

[0032] In the disclosed embodiment, a top block assembly 10 is arranged on the mounting plate 6 toward the clamping assembly 8, and the top block assembly 10 includes a base 1001, a sliding plate 1002 and a second cylinder 1003. The second cylinder 1003 is arranged on the mounting plate 6, and its driving shaft is connected to the sliding plate 1002. The base 1001 is arranged on the mounting plate 6, and may also be integrated with the mounting plate 6. The sliding plate 1002 is slidably arranged on the base 1001 along the Y-axis direction. Specifically, a dovetail groove is arranged on the base 1001 along the Y-axis direction, and the sliding plate 1002 is adapted to the groove and slidably arranged therein. It should be understood that each drive source is connected to a control system to achieve unified control.

[0033] In the disclosed embodiment, the sliding plate 1002 is provided with a first abutting plane 1004 and a second abutting plane 1005 on the rotating shaft a2 facing the motor body a, a transition slope is provided between the first abutting plane 1004 and the second abutting plane 1005, and a virtual spacing is provided between the first abutting plane 1004 and the second abutting plane 1005 in the Z-axis direction, and the virtual spacing is set according to actual conditions, generally 0.1mm, and the horizontal height of the first abutting plane 1004 is 0.1mm lower than the horizontal height of the second abutting plane 1005. At the same time, the lower moving seat 2 is provided with a pressure sensor 11 connected to the control system, and the pressure sensor 11 is used to detect the top pressure on the top pressure seat 7 and feed back to the control system, wherein the pressure sensor 11 is linked with the convex column portion at the lower end of the positioning shaft, and when the rotating shaft of the motor moves downward, the positioning shaft is pressed downward and inserted into the positioning ring assembly at the same time.

[0034] Driven by the second cylinder 1003 , the sliding plate 1002 has a first position where the first abutting plane 1004 is aligned with the rotation axis a2 and a second position where the second abutting plane 1005 is aligned with the rotation axis a2 .

[0035] The cooperation between the top block assembly 10 and the pressure sensor 11 can prevent the rotating shaft a2 of the motor from being jammed during assembly, thereby meeting the virtual position requirement of the motor.

[0036] In the disclosed embodiment, a mounting frame 12 is provided on the mounting plate 6 , and a limiting groove 120 is provided on the mounting frame 12 . The first clamp block 85 and the second clamp block 87 move in the limiting groove 120 , and the base 1001 abuts between the mounting plate 6 and the mounting frame 12 .

[0037] Secondly, a buffer 121 is arranged on the mounting frame 12 toward the upper movable seat 1. The buffer 121 is an oil pressure buffer. In the present embodiment, two buffers 121 are symmetrically arranged with the second positioning portion 100 as the center. When the upper movable seat 1 moves upward, it contacts with the buffer 121 and plays a buffering role.

[0038] Among them, the device is also provided with a color mark sensor 13, a first laser sensor 14 and a second laser sensor 15 connected to the control system. The color mark sensor 13 is used to detect whether the order of the positioning ring b1 and the gasket b2 in the positioning ring assembly b in the first positioning part 70 is correct, and the colors of the two parts of the positioning ring b1 and the gasket b2 are different; the first laser sensor 14 is used to detect whether the positioning ring assembly b is placed in the first positioning part 70; the second laser sensor 15 is used to detect whether the motor body a is loaded and whether the rear pin position of the motor is within the correct position range. If it is not within the correct position range, the rear pin will hit the top block assembly 10 when moving upward, causing it to bend and be damaged.

[0039] An assembly method applied to the above device, the specific steps are as follows: Step S1: placing the positioning ring assembly b on the first positioning portion 70 and placing the motor body a on the second positioning portion 100; Step S2: the color mark sensor 13, the first laser sensor 14 and the second laser sensor 15 are all tested, and if the tests are all qualified, proceed to the next step; Step S3: the second cylinder 1003 drives the sliding plate 1002 to move so that the first abutting plane 1004 thereon is aligned with the rotation axis a2 of the motor, and the first driving assembly 3 drives the upper movable seat 1 to move upward until the upper end of the rotation axis a2 contacts the first abutting plane 1004; Step S4: the third driving assembly 9 drives the clamping assembly 8 to clamp and fix the motor body a to prevent the motor body a from rotating and axially moving during the press-fitting process; Step S5: the second cylinder 1003 drives the sliding plate 1002 to move so that the second abutting plane 1005 thereof is aligned with the rotating axis a2 of the motor; Step S6: The second drive component 4 drives the lower moving seat 2 to move upward, wherein, when the positioning ring component b is close to the motor housing a1 by a certain distance, the second drive component 4 is controlled by the control system to slow down the moving speed of the lower moving seat 2, which is approximately 1 mm / s, and generally does not exceed 1.5 mm / s, thereby improving the reliability of assembly, avoiding damage to the product due to rapid press-fitting, and using a servo electric cylinder for precise control; and when the pressure sensor 11 detects that the pressure value reaches the preset value, the assembly is completed, for example, when the pressure sensor 11 detects that the pressure value is 50KG, the press-fitting of the positioning ring component b is completed; Step S7: The third driving component 9 drives the clamping component 8 to release the clamping of the motor body a, the second driving component 4 drives the lower moving seat 2 to move downward, the first driving component 3 drives the upper moving seat 1 to move downward, and the second cylinder 1003 drives the sliding plate 1002 to move so that the first abutting plane 1004 thereon is aligned with the rotating shaft a2 of the motor, and the assembled motor is removed.

[0040] It should be understood that the coordinate system of the X-axis, Y-axis and Z-axis introduced in the present application is based on the orientation or position relationship shown in the accompanying drawings. The coordinate system is mainly for better describing the present application and its embodiments, and is not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0041] In summary, after reading this detailed disclosure, those skilled in the art will appreciate that the foregoing detailed disclosure may be presented only by way of example and may not be restrictive. Although not explicitly stated herein, those skilled in the art will appreciate that the requirements of this application encompass various reasonable changes, improvements and modifications to the embodiments. These changes, improvements and modifications are intended to be proposed by the present application and are within the spirit and scope of the exemplary embodiments of the present application.

[0042] In addition, it should be understood that in the foregoing description of the embodiments of the present application, in order to help understand a feature and for the purpose of simplifying the present application, the present application combines various features in a single embodiment, drawing or its description. However, this does not mean that the combination of these features is necessary. When reading the present application, it is entirely possible for a person skilled in the art to mark out a part of the devices as a separate embodiment. In other words, the embodiments in the present application can also be understood as the integration of multiple secondary embodiments. This is also true when the content of each secondary embodiment is less than all the features of a single aforementioned disclosed embodiment.

[0043] Finally, it should be understood that the embodiments of the application disclosed herein are explanations of the principles of the embodiments of the present application. Other modified embodiments are also within the scope of the present application. Therefore, the embodiments disclosed in the present application are merely examples and not limitations. Those skilled in the art can adopt alternative configurations according to the embodiments in the present application to implement the application in the present application. Therefore, the embodiments of the present application are not limited to the embodiments accurately described in the application.

Claims

1. An assembly device for a motor positioning ring assembly, characterized in that: The invention comprises a frame and a control system, wherein an upper movable seat, a lower movable seat, a first driving assembly for driving the upper movable seat to move along the Z-axis direction and a second driving assembly for driving the lower movable seat to move along the Z-axis direction are arranged on the frame, a top pressure seat is arranged upwardly on the lower movable seat, a first positioning part for placing a positioning ring assembly is arranged on the top of the top pressure seat, a second positioning part for placing a motor body is arranged on the upper movable seat, a clamping assembly for clamping and fixing the motor body and a third driving assembly are arranged above the upper movable seat, a top block assembly is arranged on the upper part of the frame toward the clamping assembly, and the top block assembly includes The invention comprises a base, a sliding plate and a second cylinder, the driving shaft of the second cylinder is connected to the sliding plate, the sliding plate is slidably set on the base, a first abutting plane and a second abutting plane are set on the sliding plate towards the rotating shaft of the motor body, the first abutting plane and the second abutting plane are set with a virtual spacing in the Z-axis direction, and under the drive of the second cylinder, the sliding plate has a first position in which the first abutting plane is aligned with the rotating shaft and a second position in which the second abutting plane is aligned with the rotating shaft, a pressure sensor connected to the control system is set on the lower moving seat, and the pressure sensor is used to detect the top pressure on the top pressure seat and feed it back to the control system.

2. The assembly device of a motor positioning ring assembly according to claim 1, characterized in that: Two guide rods are arranged on the frame at intervals, an upper sliding seat and a lower sliding seat are arranged on the guide rods, the upper movable seat is connected to the upper sliding seat, the lower movable seat is connected to the lower sliding seat, a mounting plate is arranged on the top of the two guide rods, the first driving assembly includes two first cylinders arranged on the mounting plate, the driving shafts of the two first cylinders are respectively connected to the two ends of the upper movable seat, and the second driving assembly includes a servo electric cylinder arranged on the frame, and the driving shaft of the servo electric cylinder is connected to the lower movable seat.

3. The assembly device of a motor positioning ring assembly according to claim 2, characterized in that: The clamping assembly includes a first slide rail and a second slide rail arranged on the mounting plate along the X-axis direction, the first slide rail is connected to a first movable plate via a slider, the second slide rail is connected to a second movable plate via a slider, the first movable plate is provided with a first connecting rod, the first connection is provided with a first clamping block, the second movable plate is provided with a second connecting rod, and the second connecting rod is provided with a second clamping block, and the third driving assembly is used to drive the first clamping block and the second clamping block to move toward or away from each other.

4. The assembly device of a motor positioning ring assembly according to claim 3, characterized in that: The third driving assembly includes a push cylinder, a first rack, a second rack and a gear arranged on the mounting plate, the driving shaft of the push cylinder is connected to the first movable plate, the first rack is arranged on the first movable plate, the second rack is arranged on the second movable plate, the first rack and the second rack are arranged parallel to the X-axis direction, the gear is rotatably arranged on the mounting plate and located between the first rack and the second rack, and the gear is meshed with the first rack and the second rack.

5. The assembly device of a motor positioning ring assembly according to claim 2, characterized in that: The mounting plate is provided with a mounting frame, the mounting frame is provided with a limiting groove, the first clamping block and the second clamping block move in the limiting groove, and the base is abutted between the mounting plate and the mounting frame.

6. The assembly device of a motor positioning ring assembly according to claim 1, characterized in that: It also includes a color mark sensor connected to the control system, and the color mark sensor is used to detect whether the sequence of the positioning ring and the gasket in the positioning ring assembly in the first positioning part is correct.

7. The assembly device of a motor positioning ring assembly according to claim 1, characterized in that: It also includes a first laser sensor connected to the control system, and the first laser sensor is used to detect whether a positioning ring assembly is placed in the first positioning part.

8. The assembly device of a motor positioning ring assembly according to claim 1, characterized in that: It also includes a second laser sensor connected to the control system, and the second laser sensor is used to detect whether the motor body is loaded and whether the rear pin position of the motor is within the correct position range.

9. A method for assembling a motor positioning ring assembly, applied to an assembly device for a motor positioning ring assembly as claimed in any one of claims 1 to 8, characterized in that: The steps include: Step S1: placing the positioning ring assembly on the first positioning portion, and placing the motor body on the second positioning portion; Step S2: the second cylinder drives the sliding plate to move so that the first abutting plane thereon is aligned with the rotating shaft of the motor, and the first driving assembly drives the upper moving seat to move upward until the upper end of the rotating shaft contacts the first abutting plane; Step S3: the third driving assembly drives the clamping assembly to clamp and fix the motor body; Step S4: the second cylinder drives the sliding plate to move so that the second abutting plane thereon is aligned with the rotating shaft of the motor; Step S5: The second driving assembly drives the lower moving seat to move upward, and when the pressure sensor detects that the pressure value reaches a preset value, the assembly is completed.

10. The method for assembling a motor positioning ring assembly according to claim 9, characterized in that: In step S5, when the second driving assembly drives the lower moving seat to move upward so that the positioning ring assembly approaches the motor housing, the second driving assembly is controlled by the control system so that the moving speed of the lower moving seat does not exceed 1.5 mm / s.

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