Motor stator coil shaping tool clamp

Abstract

The utility model discloses a motor stator coil shaping work fixture which comprises an outer ring positioning ring, an inner expanding coil is installed inside the outer ring positioning ring, an upper and lower wire pressing ring is installed outside the inner expanding coil, and a stator iron core winding coil is installed at the inner end of the upper and lower wire pressing ring and located inside the outer ring positioning ring. And a stator iron core is arranged at the inner end connecting part of the stator iron core winding coil. According to the utility model, through the clamping of the inner and outer rings of the tool and the pressing of the upper and lower ring covers, the coil of the stator is pressed into an ideal size, so that the electrical clearance and creepage distance of the end part of the coil of the stator of the motor in the internal space of the motor can have sufficient size space, and the effects of reducing the volume, increasing the slot fullness and stabilizing the coil of the stator of the motor are achieved; in-slot coils and end coils of the whole motor stator are reinforced, the overall rigid strength of the stator is improved, and the product stability and yield are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stator coil shaping technical field, concretely is a motor stator coil shaping frock clamp. BACKGROUND

[0002] In the process of making motor stator, during the process of stator winding, the coil is embedded, in order to facilitate subsequent embedding, generally, there is some excess for the length of coil, which causes the end size of the wound stator coil to be high and large, the internal space size of motor is relatively nervous, the overall weight size of motor is very important, the reduction of motor coil end and shortening is always an important difficulty of motor design. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a motor stator coil shaping frock clamp, has the advantages of convenient installation and dismounting, simple operation, the effect is obvious to press coil and pressure.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: a motor stator coil shaping frock clamp, including outer ring positioning ring, the inside installation of outer ring positioning ring has the inner expansion coil, the outside installation of inner expansion coil has the up and down press line ring, the inner end of up and down press line ring and the inside installation of outer ring positioning ring has stator core winding coil, the inner end connecting part of stator core winding coil installs stator core.

[0005] As a preferred scheme, the outer ring positioning ring is symmetrically installed up and down, and the inner expansion coil inside is symmetrically installed.

[0006] As a preferred scheme, the end of the stator core is in the inner wall of the outer ring positioning ring, and is annularly arranged.

[0007] As a preferred scheme, the connecting part of the outer ring positioning ring is not contacted up and down.

[0008] As a preferred scheme, the middle part of the inner expansion coil is provided with a positioning hole, and the positioning hole is conically arranged.

[0009] Compared with the prior art, the utility model has the beneficial effects as follows:

[0010] 1, the utility model discloses the inner and outer ring clamping and the suppression of the upper and lower ring cover of frock, and the coil of motor stator is pressed into the ideal size, so that the electrical clearance and the creepage distance of motor stator coil end in the internal space of motor can have sufficient size space, reaches the effect that the volume is reduced and the slot fill factor is increased, the coil in the slot of entire motor stator and end coil are reinforced, the overall rigidity of stator is improved, and the product stability and the yield are improved.

[0011] 2, The utility model discloses key point is the combination design of coil pressing frock, and convenient installation and disassembly are simple to operate, and the effect of pressing coil and pressure conservation is obvious, and the overall design and size reduction of motor have promoted, the reduction of the external size of stator coil and the reduction of end height are improved obviously, make the shape and size of coil end reach ideal size shape, through simple frock design makes the stability and uniformity of product reach perfect effect, improves the reliability of product and the uniformity of product, can obviously promote the market competitiveness of product. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is structure schematic diagram of stator coil pressing frock of the utility model,

[0013] Figure 2 It is structure perspective view of the utility model.

[0014] In the drawing: 1, outer ring positioning ring, 2, inner expanding coil, 3, upper and lower line pressing ring, 4, stator core winding coil, 5, stator core. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0016] Secondly, "one embodiment" or "embodiment" referred to herein means that specific features, structures or characteristics can be included in at least one implementation of the utility model. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent or alternative to other embodiments.

[0017] Embodiment one:

[0018] Please refer to Figures 1-2 As shown in the figure, the utility model provides a motor stator coil shaping frock clamp, including outer ring positioning ring 1, the inside installation of outer ring positioning ring 1 has inner expanding coil 2, the outside installation of inner expanding coil 2 has upper and lower line pressing ring 3, and the inner end of upper and lower line pressing ring 3 and located the inside of outer ring positioning ring 1 installs stator core winding coil 4, and the inner end connecting part of stator core winding coil 4 installs stator core 5.

[0019] The technology scheme presses the stator coil into the ideal size through the inner and outer ring clamping of the tool and the pressing of the upper and lower ring covers, so that the electrical clearance and the creepage distance of the motor stator coil end in the internal space of the motor can have sufficient size space.

[0020] Embodiment two:

[0021] Based on the embodiment one, the utility model discloses as shown in Figure 1 Disclosed are an outer ring positioning ring 1 that is symmetrically installed upwards and downwards, and an inner expanding coil 2 that is symmetrically installed internally; the end of a stator core 5 is located in the inner wall of the outer ring positioning ring 1 and is arranged in a ring shape.

[0022] The technical scheme as shown in Figure 1 The combination design of the coil pressing tool is convenient to install and disassemble and simple to operate; the effects of pressing the coil and maintaining the pressure are obvious; the overall design and size reduction of the motor are improved; the shaping of the stator coil of the permanent magnet motor, including the magnetic suspension high-speed motor, the permanent magnet synchronous motor, the induction asynchronous motor, the reluctance synchronous motor and all the motors with the stator coil, can be performed by using the tool clamp.

[0023] Secondly, in the technical scheme, the connecting parts of the outer ring positioning ring 1 that are symmetrically connected upwards and downwards do not contact; the middle part of the inner expanding coil 2 is provided with a positioning hole, and the positioning hole is arranged in a tapered shape.

[0024] The technical scheme as shown in Figure 1 The positioning hole is convenient to position the end of the inner expanding coil 2 and improves the stability of the pressing.

[0025] The working principle of the utility model is as follows: two upper and lower rings are designed, there are two outer ring positioning guide rings upwards and downwards on the outside, and there are two inner top columns upwards and downwards inside for compressing and expanding the diameter of the coil; after being pressed tightly upwards and downwards, the pressure machine is used for pressing, the pressure is maintained for 2 hours, and the shaping work of the coil is completed.

[0026] The lower part of the outer ring positioning ring 1 is placed, the inner pressure ring is placed through the guidance of the inner ring, the inner expanding coil ring is placed into the inner ring, and the upper and lower pressure rings are loaded into the inner and outer rings of the coil, and then the stator core 5 with the embedded coil is placed into the inner ring.

[0027] After the stator core 5 is placed, the upper outer ring positioning ring is placed along the outer ring of the stator, the upper pressure ring is loaded to press the coil, the inner expanding ring is placed into the inner ring of the upper coil of the stator after the coil is pressed, and then the hydraulic pressure machine 10 tons is used for pressing under the pressure machine after the assembly is completed, the pressure machine is stopped after being pressed to the limiting position, the pressure is maintained for 2 hours, and the permanent shaping effect of the stator coil is achieved.

[0028] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the present application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating

[0029] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the

[0030] Finally, it should be noted that the above-mentioned embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the protective scope of the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A motor stator coil shaping fixture clamp comprising an outer ring positioning ring (1), characterized in that: The inner part of the outer positioning ring (1) is provided with an inner expanding coil (2), the outer part of the inner expanding coil (2) is provided with an upper and lower pressing coil ring (3), the inner end of the upper and lower pressing coil ring (3) and located in the inner part of the outer positioning ring (1) is provided with a stator core winding coil (4), and the inner end connecting part of the stator core winding coil (4) is provided with a stator core (5).

2. The stator coil shaping fixture according to claim 1, wherein: The outer positioning ring (1) is symmetrically installed upward and downward, and the inner expanding coil (2) is symmetrically installed.

3. The stator coil shaping fixture of claim 1, wherein: The end of the stator core (5) is located in the inner wall of the outer positioning ring (1) and is arranged in a ring shape.

4. The stator coil shaping fixture of claim 1, wherein: The connecting part of the outer positioning ring (1) is not in contact with the upper and lower symmetric parts.

5. The stator coil shaping fixture of claim 1, wherein: The middle part of the inner expanding coil (2) is provided with a positioning hole, and the positioning hole is arranged in a tapered shape.

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