Motor stator wire expanding device for new energy vehicle

By designing a stator wire expansion device for motors used in new energy vehicles, and utilizing components such as mounting rings, rotating blocks, and pull heads, precise bending of stator wires was achieved, solving the problem of insufficient precision in manual bending and improving the production quality of motor stators.

CN223957426UActive Publication Date: 2026-02-27铭纳阳智能科技(江苏)股份有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520203822.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-02-27
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

In the existing technology, the bending operation of motor stator wires relies on manual experience, resulting in insufficient bending accuracy and affecting motor performance.

Method used

Design a stator expansion device for a motor in a new energy vehicle, including components such as mounting ring, rotating block, guide post, support plate and pull head, and ensure the consistency of the arc of each bend through controllable movement and adjustment of bolts.

Benefits of technology

This technology enables precise bending of the stator wire, improving the production accuracy and performance of the motor stator.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223957426U_ABST
    Figure CN223957426U_ABST
Patent Text Reader

Abstract

The utility model relates to motor stator wire rod auxiliary processing equipment, in particular to a motor stator wire expanding device for a new energy vehicle. A motor stator wire expanding device for a new energy vehicle comprises an installation ring making contact with a motor shell, the installation ring is provided with a concave annular sliding groove, a rotating block is clamped in the sliding groove, the rotating block is provided with two guide columns exceeding the upper edge of the installation ring, the guide columns are provided with a supporting plate capable of moving in a lifting mode, and the supporting plate is provided with a pull head capable of moving front and back. And the front end of the pull head is provided with a through hole sleeved on the stator wire rod. According to the motor stator wire expanding device for the new energy vehicle, the pull head can move at any position in the mounting ring, the pull head can be conveniently in butt joint with a stator wire rod needing to be bent, the pull head can move up and down and can be conveniently arranged on the stator wire rod in a sleeving mode, the front-back moving distance of the pull head is controllable, it is ensured that the radian distance of each time of bending is consistent, and the bending efficiency is improved. And the requirement of accurate wire expansion is met.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to motor stator wire auxiliary processing equipment, especially a motor stator wire expanding device for new energy vehicles. BACKGROUND

[0002] New energy motor usually refers to the motor used in electric vehicles, wind power generation and other fields, so the stator wire should be the wire for stator winding. As the core component of the motor, the stator is responsible for generating a magnetic field, so the selection and design of the stator wire are crucial to the performance of the motor.

[0003] The wire rod of the outermost circle of the electronic coil needs to be bent outward for wire expanding operation. The current wire bending is manually bent according to experience, which cannot guarantee the precision of the bent wire bundle and affects the performance of the motor after production.

[0004] In view of the above defects, the inventor actively researches and innovates to create a motor stator wire expanding device for new energy vehicles, which has more industrial use value. INVENTION CONTENTS

[0005] To solve the above technical problems, the purpose of the utility model is to provide a motor stator wire expanding device for new energy vehicles.

[0006] The motor stator wire expanding device for new energy vehicles comprises a mounting ring in contact with a motor housing, an inner concave annular sliding groove on the mounting ring, a rotating block clamped in the sliding groove, two guide columns on the rotating block, a support plate installed on the guide columns and capable of lifting and moving, a pull head on the support plate and capable of moving forward and backward, and a through hole on the front end of the pull head and sleeved on the stator wire.

[0007] The motor stator wire expanding device for new energy vehicles, through the pull head sleeved on the stator wire, the pull head moves backward to complete the outward expansion operation of the stator wire, the pull head can slide on the mounting ring and can be moved to any position on the mounting ring, facilitating the outward expansion operation of each wire.

[0008] Further, the inner side of the mounting ring is a limiting ring bent inward, the bottom is a supporting ring, and the outer side is a blocking ring. The inner sides of the limiting ring and the blocking ring are mirror image grooves, and the rotating block is clamped in the grooves.

[0009] The mounting ring is spliced by the limiting ring, the supporting ring and the blocking ring, and the grooves in the mounting ring are used for the rotating block, facilitating the installation and sliding of the rotating block.

[0010] Further, the guide sleeves are clamped in the through holes at both ends of the support plate, the guide sleeves are sleeved on the guide columns, and the top ends of the guide columns are outwardly protruding plugs.

[0011] The support plate is slidably assembled with the guide column, so that the support plate can move up and down, the height of the pull head is adjusted, and the pull head is conveniently sleeved on the stator wire.

[0012] Further, two parallel upward protruding support blocks are arranged in the middle of the support plate, two rotating shafts are movably arranged on the pull head and the support blocks, a support rod is movably arranged on the two rotating shafts at the front side, and a pull rod is movably arranged on the two rotating shafts at the rear side.

[0013] The support blocks and the pull head are cooperatively used by the support rod at the front side and the pull rod at the rear side, the support rod and the pull rod form a parallelogram through the rotating shafts, the support blocks and the pull head, and after the pull rod is pulled, the pull head can be controlled to move to the rear side, and the wire expanding operation is completed.

[0014] Further, two screw holes are arranged at the tail end of the pull head, and adjusting bolts are screwed into the screw holes.

[0015] The two adjusting bolts at the tail end of the pull head can contact the rear side of the pull rod, and are used for limiting the position of the lower end of the pull rod, and play an auxiliary positioning role.

[0016] By the above scheme, the new energy vehicle motor stator wire expanding device has at least the following advantages: the pull head can move at any position in the mounting ring, the pull head and the stator wire to be bent are conveniently connected, the pull head can move up and down, the pull head is conveniently sleeved on the stator wire, the distance of the pull head moving forward and backward is controllable, the arc distance of each bending is consistent, and the precise wire expanding requirement is met.

[0017] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following will be described in detail with the preferred embodiment of the present application and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, it should be understood that the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for those skilled in the art, under the premise of not creating the creative labor, other related drawings can also be obtained according to these drawings.

[0019] Figure 1 It is the structural schematic diagram of the utility model;

[0020] Figure 2 It is the structural schematic diagram of the mounting ring of the utility model;

[0021] Figure 3 It is the mounting structure schematic diagram of the pull head of the utility model;

[0022] Figure 1, mounting ring, 2, rotating block, 3, guide column, 4, support plate, 5, pull head, 6, limit ring, 7, support ring, 8, stop ring, 9, support block, 10, rotating shaft, 11, support rod, 12, pull rod. DETAILED DESCRIPTION

[0023] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0024] Referring to Figure 1 , the mounting ring 1 of the motor stator line expansion device for new energy vehicles is a ring structure with a through middle, which can be sleeved on the motor shell. The mounting ring 1 has a sliding groove inside, which is used to install the rotating block 2. The rotating block 2 can move in the sliding groove under the drive of external force. The rotating block 2 has two vertical guide columns 3. The support plate 4 is sleeved on the guide column 3, so that the support plate 4 can move up and down on the guide column 3. The pull head 5 installed on the support plate 4 is a movable structure that can move forward and backward. The through hole at the end of the pull head 5 can be sleeved on the wire. After the pull head 5 moves backward, the motor stator wire expansion operation can be completed.

[0025] Referring to Figure 2 , the mounting ring 1 includes a limit ring 6, a support ring 7, and a stop ring 8. The support ring 7 is located below. The limit ring 6 and the stop ring 8 are fixed on the support ring 7 by bolts. There are mirror image recesses on the outer side of the limit ring 6 and the inner side of the stop ring 8. The recesses are used to clamp the rotating block 2. During assembly, the rotating block 2 is first clamped into the recess on one side of the stop ring 8. Then, the other side of the rotating block 2 is clamped into the recess on the outer side of the limit ring 8 by tilting the limit ring 8. Finally, the limit ring 6 and the stop ring 8 are fixed on the support ring 7 to complete the installation. The limit ring 6 is inwardly bent to be placed on the upper edge of the motor stator shell.

[0026] Referring to Figure 3 , in order to facilitate the up and down movement of the support plate 4, guide sleeves are installed on both sides of the support plate 4 by interference fit. The guide sleeves are sleeved on the guide columns 3, so that the support plate 4 can move up and down. At the same time, the top end of the guide column 3 is sealed to prevent the support plate 4 from slipping off the guide column 3.

[0027] Referring to Figure 3Two supporting blocks 9 are arranged in the middle of the supporting plate 4, and gaps are arranged between the supporting blocks 9; meanwhile, the middle part of the puller 5 is also hollow, two rotating shafts 10 are arranged on the supporting blocks 9 and the puller 5, a supporting rod 11 is movably arranged on the front end rotating shaft, and a pull rod 12 is movably arranged on the rear end rotating shaft 10; after the above arrangement, the supporting block 9, the puller 5, the supporting rod 11 and the pull rod 12 form a parallelogram through the four rotating shafts 10, and after the pull rod 12 is pulled, the puller 5 can move forward and backward, so that the wire is conveniently bent.

[0028] Two adjusting bolts are screwed into screw holes at the tail end of the puller 5, the two adjusting bolts are arranged on the upper and lower sides of the rotating shaft 10 on the inner side of the puller 5, the lower end adjusting bolt can be in contact with the lower end of the pull rod 12, and the upper end adjusting bolt can be in contact with the position deviated downward in the middle of the pull rod 12; the relative position after the depth of the adjusting bolt is used to limit the maximum position of the forward and backward deflection of the pull rod 12; when the stator wire needs to be taken out, the pull rod 12 moves forward, the lower end of the pull rod 12 is in contact with the lower adjusting bolt, at this time, the maximum depth position of the puller 5 is limited, the position of the lower adjusting bolt is adjusted, so that the through hole of the puller 5 is on the same axis as the wire, and the taking out is convenient, and the relative position of the upper adjusting bolt is adjusted, which is used to limit the maximum position of the backward rotation of the pull rod 12 and limit the distance of the backward movement of the puller 5, so that the distance of the movement of the puller 5 is constant each time, and then the accurate wire bending and outward expansion operation is conveniently completed.

[0029] The working principle of the novel energy vehicle motor stator wire expanding device is as follows:

[0030] When the novel energy vehicle motor stator wire expanding device is used, first, the mounting ring 1 is sleeved on the motor stator shell, the lower and upper adjusting bolts are adjusted according to the bending process and the relative position of the stator wire, the maximum forward and backward movement distance of the puller 5 is limited, after the adjustment is completed, the pull rod 12 of the device is held by hand, the rotating block 2 rotates and moves in the mounting ring 1, the puller 5 is aligned with one of the wires, the pull rod 12 is pulled upward, the puller 5 moves upward, then the pull rod 12 is pushed forward, the through hole at the front end of the puller 5 is aligned with the wire, the puller 5 is moved downward, the pull rod 12 is pulled backward, the wire bending operation is completed, and finally the puller 5 is moved upward to make the puller separate from the wire.

[0031] The above operation is repeated, and finally the wire bending and expanding operation of all wires is completed.

[0032] Finally should be explained a few points is: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0033] Second: the utility model discloses the embodiment in the drawing, only relate to the structure of the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0034] Finally: the above only is the preferred embodiment of the utility model, and does not use for limiting the utility model, it should be pointed out that, for ordinary skilled person in the prior art, on the premise of not departing from the technical principle of the present application, can also make a number of improvements and variations, these improvements and variations also should be regarded as the protection scope of the utility model.

Claims

1. A stator expansion device for a new energy vehicle motor, comprising a mounting ring (1) in contact with the motor housing, characterized in that: The mounting ring (1) has a recessed annular groove, into which a rotating block (2) is inserted. The rotating block (2) has two guide posts (3) extending beyond the upper edge of the mounting ring (1). A support plate (4) that can be lifted and moved is installed on the guide posts (3). A pull head (5) that can move back and forth is on the support plate (4). The front end of the pull head (5) has a through hole that is sleeved on the stator wire.

2. The stator expansion device for a new energy vehicle motor according to claim 1, characterized in that: The upper inner edge of the mounting ring (1) is a limiting ring (6) that bends inward, the bottom is a support ring (7), and the outer side is a retaining ring (8). The inner sides of the limiting ring (6) and the retaining ring (8) are mirror-set grooves, and the rotating block (2) is inserted into the groove.

3. The stator expansion device for a new energy vehicle motor according to claim 2, characterized in that: Guide sleeves are inserted into the through holes at both ends of the support plate (4), and the guide sleeves are fitted onto the guide post (3). The top of the guide post (3) is a plug that protrudes outward.

4. A stator expansion device for a new energy vehicle motor according to any one of claims 1 or 3, characterized in that: The middle part of the support plate (4) has two parallel upward protruding support blocks (9). Two rotating shafts (10) are movably installed on both the pull head (5) and the support blocks (9). Support rods (11) are movably installed on the two rotating shafts (10) on the front side, and pull rods (12) are movably installed on the two rotating shafts (10) on the rear side.

5. A stator expansion device for a new energy vehicle motor according to claim 4, characterized in that: The end of the pull head (5) has two screw holes, into which an adjusting bolt is screwed.