stator assembly jig

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By designing a stator wrapping jig, and utilizing the synergistic effect of components such as the base plate, the iron core fixing plate, and the plastic double pressure head, the problem of cumbersome size adjustment in stator processing was solved, achieving efficient stator wrapping and winding protection.

CN224503145UActive Publication Date: 2026-07-14YANTAI BAITE MOTOR CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: YANTAI BAITE MOTOR CO LTD
Filing Date: 2025-06-03
Publication Date: 2026-07-14

AI Technical Summary

Technical Problem

In the current stator processing, stator size adjustment is cumbersome, requiring multiple repackaging processes, which is slow, makes it difficult to guarantee size requirements, and poses a risk of winding damage.

Method used

A stator wrapping jig was designed, comprising a base plate, a core fixing plate, positioning guide posts, limiting posts, a transverse cylinder, and a plastic double pressure head. Through the synergistic effect of these components, the stator is accurately positioned and shaped on the core fixing plate.

Benefits of technology

It simplifies the stator assembly process, improves labor efficiency, ensures stator dimensional accuracy, avoids winding damage, and reduces manual measurement steps.

✦ Generated by Eureka AI based on patent content.

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Figure CN224503145U_ABST

Patent Text Reader

Abstract

The utility model relates to the technical field of motor processing and manufacturing, especially to a stator whole package fixture, which comprises a bottom plate, the top surface of the bottom plate has an iron core fixing vertical plate on one side, the center line of the bottom plate coincides with the center line of the iron core fixing vertical plate, the iron core fixing vertical plate has a pair of positioning guide posts inside, one end of the positioning guide posts is located inside the iron core fixing vertical plate, the other end of the positioning guide posts is located outside the iron core fixing vertical plate, the positioning guide posts are movable inside the iron core fixing vertical plate, the top surface of the positioning guide posts is coaxial with a limiting column, the size of the positioning guide posts is greater than the size of the limiting column, the bottom surface of the positioning guide posts has a spring, the limiting column is located inside the spring, and the other end of the spring is fixed on the top surface of the bottom plate. The utility model places the stator on the iron core fixing vertical plate, places the positioning sheet between the stator iron core and the wire package, starts the press to press the plastic double pressure head down to the positioning, simultaneously, the transverse cylinder pushes the pressing plate positioning column and the positioning column hole to slide and fit, and the height direction size is guaranteed.

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Description

Technical Field

[0001] This utility model relates to the technical field of motor processing and manufacturing, and in particular to a stator complete wrapping jig. Background Technology

[0002] The stator wrapping jig is a core tooling equipment used in motor production for stator core stacking, pressing, and winding protection. Its main functions are: ensuring the geometric accuracy, structural integrity, and assembly efficiency of stator assemblies during manufacturing; guaranteeing the stacking accuracy of stator cores, with the stacking jig controlling the coaxiality of the stacked laminations to prevent "horseshoe" deformation or out-of-tolerance inner and outer diameters, ensuring the assembly accuracy of the core and housing; improving the quality of stator pressing, as the pressing jig structure can improve the flatness of the inner diameter of the stator core and solve the problem of cylindricity deviation; the pressing jig is used for the safe removal of the wound stator from the housing; preventing damage to the enameled wire and protecting the winding and insulation performance, providing physical support during stator impregnation or pressing into the frame to prevent winding deformation or insulation layer damage; and using mold positioning to ensure that the windings are not mechanically damaged during high-voltage assembly.

[0003] Currently, during the production process, the workshop often needs to adjust the stator coil head to the appropriate size. When the coil is too full, there are requirements to adjust the size and height of four coils at the same time, as well as the creepage distance. In the past, there were too many processing steps, requiring multiple coil adjustments, which was slow and could not guarantee the size of the coil head. Special personnel were needed to measure the size of the coil head. Utility Model Content

[0004] Technical objective: In order to overcome the shortcomings of the existing technology, this utility model provides a stator wrapping fixture.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: It includes a base plate, and a core fixing plate is provided on one side of the top surface of the base plate. The center line of the base plate coincides with the center line of the core fixing plate. A pair of positioning guide posts are provided inside the core fixing plate. One end of the positioning guide post is located inside the core fixing plate, and the other end of the positioning guide post is located outside the core fixing plate. The positioning guide post is movable inside the core fixing plate. A limit post is coaxially provided on the top surface of the positioning guide post. The size of the positioning guide post is larger than the size of the limit post. A spring is provided on the bottom surface of the positioning guide post. The limit post is located inside the spring. The other end of the spring is fixed to the top surface of the base plate.

[0006] Preferably, a fixed back plate is provided on the other side of the top surface of the base plate, the center line of the fixed back plate coincides with the center of the iron core fixed upright plate, one side of the fixed back plate coincides with one side of the base plate, and the fixed back plate and the iron core fixed upright plate are parallel to each other; a transverse cylinder is provided on the other side of the fixed back plate, the bottom surface of the transverse cylinder is fixed on the top surface of the base plate, and the end face of the transverse cylinder coincides with the fixed back plate.

[0007] Preferably, a fixed front plate is provided at the other end of the transverse cylinder, and the bottom surface of the fixed front plate is fixed to the top surface of the base plate; a push rod is provided at one end of the transverse cylinder, and the push rod passes through the fixed front plate.

[0008] Preferably, the other end of the push rod is provided with a pressure plate, the shape of which is the same as that of the fixed front plate, and a pair of pressure plate positioning posts are symmetrically arranged on the side of the pressure plate facing away from the fixed front plate.

[0009] Preferably, a positioning post is provided on the side of the iron core fixing plate opposite to the pressure plate. The positioning post is located at the center of the side of the iron core fixing plate. One end of the positioning post is coaxially provided with a positioning post inner sleeve. The other end of the positioning post inner sleeve is fixed to the side of the iron core fixing plate. The other end of the positioning post is provided with a positioning post outer sleeve. The end face of the positioning post outer sleeve is provided with a pair of positioning post holes. The position of the positioning post holes corresponds to the position of the positioning post of the pressure plate.

[0010] Preferably, a pressure head fixing plate is provided on the top surface of the positioning guide post. One end of the pressure head fixing plate is located above the positioning post core. One end of the pressure head fixing plate is flush with the top end face of the positioning post outer sleeve. A plastic double pressure head is provided on one bottom side of the pressure head fixing plate. One end of the plastic double pressure head is flush with one end of the pressure head fixing plate. The length of the plastic double pressure head is the same as the total length of the positioning post core, and the width of the plastic double pressure head is the same as the width of the positioning post core.

[0011] The beneficial effects of this utility model are:

[0012] This utility model provides a stator wrapping jig. By setting a positioning core, a positioning core outer sleeve, and a positioning core inner sleeve, the stator is placed on the iron core fixing plate. The positioning plate is placed between the stator iron core and the coil. The press is started to press the plastic double pressure head down to the positioning position. At the same time, the horizontal cylinder pushes the pressure plate positioning column to slide and engage with the positioning column hole to ensure the height dimension. The whole jig can reduce the labor intensity of stator wrapping, increase labor efficiency, and ensure the size of the coil head without the need for special personnel to measure the coil head size. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a top view of the present invention;

[0015] Figure 3 This is the left view of the present invention;

[0016] Figure 4 This is a schematic diagram of the internal structure of the iron core fixing plate of this utility model.

[0017] Explanation of reference numerals in the attached figures:

[0018] 1. Base plate; 11. Fixed rear plate; 12. Fixed front plate; 2. Iron core fixed upright plate; 21. Positioning guide post; 22. Pressure head fixing plate; 23. Plastic double pressure head; 24. Limiting post; 25. Spring; 3. Horizontal cylinder; 31. Push rod; 32. Pressure plate; 33. Pressure plate positioning post; 4. Positioning post core; 41. Positioning post outer sleeve; 42. Positioning post inner sleeve; 43. Positioning post hole. Detailed Implementation

[0019] The following is in conjunction with the appendix Figure 1 The principles and features of this utility model are described with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0020] Please see Figures 1-4 A stator wrapping jig includes a base plate 1. A core fixing plate 2 is disposed on one side of the top surface of the base plate 1. The centerline of the base plate 1 coincides with the centerline of the core fixing plate 2. A pair of positioning guide posts 21 are disposed inside the core fixing plate 2. One end of each positioning guide post 21 is located inside the core fixing plate 2, and the other end is located outside the core fixing plate 2. The positioning guide posts 21 are movable inside the core fixing plate 2. A limit post 24 is coaxially disposed on the top surface of each positioning guide post 21. The size of the positioning guide post 21 is larger than the size of the limit post 24. The bottom surface of the positioning guide post 21... A spring 25 is provided on the surface, and a limiting post 24 is located inside the spring 25. The other end of the spring 25 is fixed to the top surface of the base plate 1. By applying pressure to the positioning guide post 21, the positioning guide post 21 moves inside the iron core fixing plate 2. The movement of the positioning guide post 21 drives the limiting post 24 at the bottom to move synchronously. One end of the spring 25 is fixed to the top surface of the positioning guide post 21. The limiting post 24 penetrates into the interior of the spring 25, so that when the positioning guide post 21 applies pressure to the spring 25, it limits the spring 25. At the same time, the spring 25 resets when the positioning guide post 21 stops applying pressure.

[0021] Please see Figures 1-4 A fixed back plate 11 is provided on the other side of the top surface of the base plate 1. The center line of the fixed back plate 11 coincides with the center of the iron core fixing plate 2. One side of the fixed back plate 11 coincides with one side of the base plate 1. The fixed back plate 11 and the iron core fixing plate 2 are parallel to each other. A transverse cylinder 3 is provided on the other side of the fixed back plate 11. The bottom surface of the transverse cylinder 3 is fixed on the top surface of the base plate 1. The end face of the transverse cylinder 3 coincides with the fixed back plate 11. One end of the transverse cylinder 3 is fixed by the fixed back plate 11, and one end of the transverse cylinder 3 is aligned with the iron core fixing plate 2.

[0022] Please see Figures 1-4The other end of the transverse cylinder 3 is provided with a fixed front plate 12, the bottom surface of which is fixed to the top surface of the base plate 1; one end of the transverse cylinder 3 is provided with a push rod 31, which passes through the fixed front plate 12; the other end of the transverse cylinder 3 is fixed by the fixed front plate 12; the transverse cylinder 3 drives the push rod 31 to move at the other end of the fixed front plate 12.

[0023] Please see Figures 1-4 The other end of the push rod 31 is provided with a pressure plate 32. The shape of the pressure plate 32 is the same as that of the fixed front plate 12. A pair of pressure plate positioning posts 33 are symmetrically arranged on the side of the pressure plate 32 facing away from the fixed front plate 12. Since the shape of the pressure plate 32 is the same as that of the fixed front plate 12, the bottom end of the pressure plate 32 is located on the top surface of the base plate 1. The push rod 31 pushes the pressure plate 32 to slide on the top surface of the base plate 1.

[0024] Please see Figures 1-4 A positioning core 4 is provided on the side of the iron core fixing plate 2 opposite to the pressure plate 32. The positioning core 4 is located at the center of the side of the iron core fixing plate 2. One end of the positioning core 4 is coaxially provided with a positioning inner sleeve 42. The other end of the positioning inner sleeve 42 is fixed to the side of the iron core fixing plate 2. The other end of the positioning core 4 is provided with a positioning outer sleeve 41. The end face of the positioning outer sleeve 41 is provided with a pair of positioning holes 43. The position of the positioning holes 43 corresponds to the position of the pressure plate positioning pin 33. The positioning core 4 is fixed to the end face of the iron core fixing plate 2 through the positioning inner sleeve 42. The stator is positioned and installed by the positioning core 4, the positioning outer sleeve 41 and the positioning inner sleeve 42. By moving the pressure plate 32, the pressure plate positioning pin 33 slides into the inside of the positioning hole 43 to limit and fix the stator.

[0025] Please see Figures 1-4 The top surface of the positioning guide post 21 is provided with a pressure head fixing plate 22. One end of the pressure head fixing plate 22 is located above the positioning post core 4. One end of the pressure head fixing plate 22 is flush with the top end face of the positioning post outer sleeve 41. A plastic double pressure head 23 is provided on one side of the bottom surface of the pressure head fixing plate 22. One end of the plastic double pressure head 23 is flush with one end of the pressure head fixing plate 22. The length of the plastic double pressure head 23 is the same as the total length of the positioning post core 4, and the width of the plastic double pressure head 23 is the same as the width of the positioning post core 4. By installing a longitudinal cylinder above the pressure head fixing plate 22, the positioning guide post 21 and the pressure head fixing plate 22 are pushed downward, thereby driving the plastic double pressure head 23 to move downward. The plastic double pressure head 23 squeezes the stator installed on the positioning post core 4, the positioning post outer sleeve 41, and the positioning post inner sleeve 42.

[0026] During use, the stator is installed onto the positioning core 4, the positioning outer sleeve 41, and the positioning inner sleeve 42. The positioning plate is placed between the two stator cores and the coil. The rear plate 11 and the front plate 12 are fixed to fix the transverse cylinder 3 on the top surface of the base plate 1. Under the push of the transverse cylinder, the pressure plate 32 with the pressure plate positioning column 33 is inserted into the positioning column hole 43, limiting the stator on the positioning core 4, the positioning outer sleeve 41, and the positioning inner sleeve 42. At the same time, the longitudinal cylinder drives the top surface of the pressure head fixing plate 22 to push the plastic double pressure head 23 down, and the coil is shaped into place. The pressure plate positioning column 33 slides into the positioning column hole 43. When it is pressed down, it can make 13 bear force, avoiding the deformation of the silicon steel sheet insert caused by the force on the iron core. After pressing, the spring 25 pops up the pressure head fixing plate 22, and the plastic double pressure head 23 pops up to the set distance, flipping the stator. Similarly, the other side of the stator coil is shaped into place.

[0027] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A stator assembly jig, comprising a base plate (1), characterized in that: A core fixing plate (2) is provided on one side of the top surface of the base plate (1). The center line of the base plate (1) coincides with the center line of the core fixing plate (2). A pair of positioning guide posts (21) are provided inside the core fixing plate (2). One end of the positioning guide post (21) is located inside the core fixing plate (2), and the other end of the positioning guide post (21) is located outside the core fixing plate (2). The positioning guide post (21) is movable inside the core fixing plate (2). A limit post (24) is coaxially provided on the top surface of the positioning guide post (21). The size of the positioning guide post (21) is larger than the size of the limit post (24). A spring (25) is provided on the bottom surface of the positioning guide post (21). The limit post (24) is located inside the spring (25). The other end of the spring (25) is fixed on the top surface of the base plate (1).

2. The stator assembly fixture according to claim 1, characterized in that: A fixed back plate (11) is provided on the other side of the top surface of the base plate (1). The center line of the fixed back plate (11) coincides with the center of the iron core fixed upright plate (2). One side of the fixed back plate (11) coincides with one side of the base plate (1). The fixed back plate (11) and the iron core fixed upright plate (2) are parallel to each other. A transverse cylinder (3) is provided on the other side of the fixed back plate (11). The bottom surface of the transverse cylinder (3) is fixed on the top surface of the base plate (1). The end face of the transverse cylinder (3) coincides with the fixed back plate (11).

3. The stator assembly fixture according to claim 2, characterized in that: The other end of the transverse cylinder (3) is provided with a fixed front plate (12), the bottom surface of which is fixed to the top surface of the base plate (1); one end of the transverse cylinder (3) is provided with a push rod (31), which passes through the fixed front plate (12).

4. The stator assembly fixture according to claim 3, characterized in that: The other end of the push rod (31) is provided with a pressure plate (32). The shape of the pressure plate (32) is the same as that of the fixed front plate (12). A pair of pressure plate positioning posts (33) are symmetrically arranged on the side of the pressure plate (32) facing away from the fixed front plate (12).

5. The stator assembly fixture according to claim 4, characterized in that: A positioning core (4) is provided on the side opposite to the pressure plate (32) of the iron core fixing plate (2). The positioning core (4) is located at the center of the side of the iron core fixing plate (2). A positioning inner sleeve (42) is coaxially provided at one end of the positioning core (4). The other end of the positioning inner sleeve (42) is fixed on the side of the iron core fixing plate (2). A positioning outer sleeve (41) is provided at the other end of the positioning core (4). A pair of positioning holes (43) are provided on the end face of the positioning outer sleeve (41). The position of the positioning holes (43) corresponds to the position of the pressure plate positioning core (33).

6. The stator assembly fixture according to claim 5, characterized in that: The top surface of the positioning guide post (21) is provided with a pressure head fixing plate (22). One end of the pressure head fixing plate (22) is located above the positioning post core (4). One end of the pressure head fixing plate (22) is flush with the top end face of the positioning post outer sleeve (41). A plastic double pressure head (23) is provided on one side of the bottom surface of the pressure head fixing plate (22). One end of the plastic double pressure head (23) is flush with one end of the pressure head fixing plate (22). The length of the plastic double pressure head (23) is the same as the total length of the positioning post core (4), and the width of the plastic double pressure head (23) is the same as the width of the positioning post core (4).