阅读说明：本技术 绕线骨架及绕组制造工艺 (Winding framework and winding manufacturing process ) 是由 张晓俊 韦中政 于 2019-09-29 设计创作，主要内容包括：本发明提供了一种绕线骨架,所述绕线骨架包括连接部以及与所述连接部连接的绕线部,所述连接部与动力装置连接,所述动力装置驱动所述连接部转动,以带动所述绕线部转动,使导线缠绕在绕线部形成绕组线圈,所述绕线部包括至少两条导向折边,两条所述导向折边关于所述绕线部的中轴线对称,以使所述绕线部上缠绕形成的绕组线圈具有两条导向折痕。本发明还提供了一种应用绕线骨架而进行绕组制造工艺。这样,本发明提供的技术方案可以通过在所述绕线部设置包括至少两条导向折边,以使所述绕线部上形成的所述绕组线圈具有两条导向折痕,以给所述绕组线圈提供压扁导向,从而防止缠绕形成的绕组线圈变形。(The invention provides a winding framework which comprises a connecting part and a winding part connected with the connecting part, wherein the connecting part is connected with a power device, the power device drives the connecting part to rotate so as to drive the winding part to rotate, a lead is wound on the winding part to form a winding coil, the winding part comprises at least two guide folding edges, and the two guide folding edges are symmetrical about the central axis of the winding part so that the winding coil wound on the winding part has two guide folding marks. The invention also provides a winding manufacturing process by applying the winding framework. In this way, the technical scheme provided by the invention can enable the winding coil formed on the winding part to have two guide folds by arranging at least two guide folds on the winding part, so as to provide flattening guide for the winding coil, thereby preventing the winding coil formed by winding from being deformed.)

1. A winding framework is used for manufacturing a winding of a coreless motor and is characterized by comprising a connecting part and a winding part connected with the connecting part, wherein the connecting part is connected with a power device, the power device drives the connecting part to rotate and drives the winding part to synchronously rotate, and a lead is wound on the winding part to form a winding coil;

The winding part comprises at least two guide folding edges, and the two guide folding edges are symmetrical relative to the central axis of the winding part, so that the winding coil formed by winding the lead on the winding part has two guide folding marks.

2. The bobbin as claimed in claim 1, wherein six guide tabs are provided on the winding portion.

3. the bobbin as claimed in claim 2, wherein the winding portion comprises two elastic arms, a gap is formed between the two elastic arms for the elastic arms to approach or separate from each other, and each elastic arm is provided with three guide folds.

4. The bobbin of claim 3, further comprising a first through hole passing through the connecting portion and the winding portion in a length direction of the bobbin, the slit communicating with the first through hole.

5. The bobbin of claim 4, wherein a groove is formed at a connection position of each elastic arm and the connection portion.

6. The bobbin of claim 5, wherein a second through hole is further formed at a connection position of each elastic arm and the connection portion, and the second through hole is communicated with the first through hole and the gap.

7. the bobbin of claim 4, further comprising a latch member, wherein one end of the latch member is inserted into the connecting portion and inserted into the first through hole, and the other end of the latch member is connected to a power device.

8. A bobbin as claimed in claim 4, further comprising a stopper inserted into the winding portion and inserted into the first through hole or the slit to prevent the elastic arms from approaching each other during winding.

9. A winding manufacturing process applying the bobbin as claimed in any one of claims 1 to 8, wherein the winding manufacturing process comprises:

controlling a power device to drive the winding framework to rotate;

And winding a lead on a winding part of the winding framework to form a winding coil, wherein the winding part comprises at least two guide folding edges, and the winding coil is provided with at least two guide folding edges corresponding to the guide folding edges.

10. The winding manufacturing process according to claim 9, wherein the step of winding the wire around the winding portion of the bobbin to form the winding coil is followed by:

Taking out the winding coil from the winding part;

Applying tension forces in opposite directions to both ends of the winding coil to flatten the winding coil along the guiding direction of the guide fold;

and winding the flat winding coil to form a winding of the motor.

Technical Field

The invention relates to the technical field of motors, in particular to a winding framework and a winding manufacturing process.

background

The winding is an important component of the motor, the performance of the motor is directly influenced by the quality of the winding, and the winding is also the most important and weakest place in all structural parts of the motor; the motor winding is generally formed by winding enameled wires, the damage of the winding is easily caused by electromagnetic vibration, heating and mechanical abrasion of the motor, and the motor is burnt out in serious conditions to cause personal injury and property loss.

in the existing motor winding structure, a lead is generally wound on a framework to form a coil, and then the coil is wound to form a winding. Because the skeleton is roughly the cylinder shape for the coil that the coiling formed is also roughly hollow cylinder shape, at this moment, need flatten the back with the coil and coil, but because do not set up guide structure on the coil, the coil is yielding easily promptly in the flattening process, thereby makes the winding deformation that the coil formed, and then influences the performance of winding.

Disclosure of Invention

The invention mainly aims to provide a winding framework and a winding manufacturing process, which solve the problem that a winding formed by winding is deformed because a coil is not provided with a guide structure, namely, the coil is easy to deform in the flattening process.

In order to achieve the above purpose, the present invention provides a winding frame for manufacturing a winding of a motor, wherein the winding frame comprises a connecting portion and a winding portion connected to the connecting portion, the connecting portion is connected to a power device, the power device drives the connecting portion to rotate and drives the winding portion to rotate synchronously, and a wire is wound on the winding portion to form a winding coil;

The winding part comprises at least two guide folding edges, and the two guide folding edges are symmetrical relative to the central axis of the winding part, so that the winding coil formed by winding the lead on the winding part has two guide folding marks.

Furthermore, six guide folding edges are arranged on the winding portion.

Further, the wire winding portion comprises two elastic arms, a gap for the elastic arms to approach or keep away from each other is formed between the two elastic arms, and each elastic arm is provided with three guide folding edges.

further, the bobbin still includes run through in the length direction of bobbin connecting portion with the first through-hole of wire winding portion, the gap with first through-hole intercommunication.

Furthermore, a groove is formed in the connecting position of each elastic arm and the connecting part.

Furthermore, a second through hole is further formed in the connecting position of each elastic arm and the connecting portion, and the second through holes are communicated with the first through holes and the gaps.

Furthermore, the winding framework further comprises a bolt piece, one end of the bolt piece is inserted into the connecting part and inserted into the first through hole, and the other end of the bolt piece is connected with the power device.

Furthermore, the winding framework further comprises a blocking piece, wherein the blocking piece is inserted into the winding part and inserted into the first through hole or the gap so as to prevent the elastic arms from approaching each other in the winding process.

In order to achieve the above object, the present invention further provides a winding manufacturing process using the bobbin, including:

Controlling a power device to drive the winding framework to rotate;

And winding a lead on a winding part of the winding framework to form a winding coil, wherein the winding part comprises at least two guide folding edges, and the winding coil is provided with at least two guide folding edges corresponding to the guide folding edges.

Further, the step of winding the wire around the winding portion of the bobbin to form a winding coil may be followed by:

Taking out the winding coil from the winding part;

applying tension forces in opposite directions to both ends of the winding coil to flatten the winding coil along the guiding direction of the guide fold;

and winding the flat winding coil to form a winding of the motor.

The invention provides a winding framework and a winding manufacturing process, wherein the winding framework comprises a connecting part and a winding part connected with the connecting part, the connecting part is connected with a power device, the power device drives the connecting part to rotate and drives the winding part to synchronously rotate, a lead is wound on the winding part to form a winding coil, the winding part comprises at least two guide folding edges, and the two guide folding edges are symmetrical relative to the central axis of the winding part so that the winding coil formed on the winding part has two guide folding lines. In this way, the technical solution provided by the present invention can provide two guide folds for the winding coil formed on the winding portion by providing the winding portion with at least two guide folds to provide the flattening guide for the winding coil, thereby preventing the winding coil formed by winding from deforming, preventing the winding coil formed by winding the winding coil from deforming, and improving the performance of the winding.

drawings

In order to more clearly illustrate the embodiments or exemplary technical solutions of the present invention, the drawings used in the embodiments or exemplary descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a bobbin according to an embodiment of the present invention;

Fig. 2 is a schematic view of a portion of the construction of a bobbin (except for the blocking member and the latch member) in accordance with an embodiment of the present invention;

FIG. 3 is a schematic structural view of a blocking member according to an embodiment of the present invention;

Fig. 4 is a schematic structural view of a latch member according to an embodiment of the present invention;

FIG. 5 is a flowchart of the steps of a first embodiment of the winding manufacturing process of the present invention;

Fig. 6 is a flowchart of the steps of a second embodiment of the winding manufacturing process of the present invention.

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

in addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 4, the invention provides a winding bobbin for manufacturing a winding of a coreless motor.

In one embodiment, as shown in fig. 1 and 2, the bobbin includes a connecting portion 1 and a winding portion 2 connected to the connecting portion 1, the connecting portion 1 is connected to a power device (not shown), the power device drives the connecting portion 1 to rotate and drives the winding portion 2 to rotate synchronously, and a wire is wound on the winding portion 2 to form a winding coil.

Further, the connecting portion 1 and the winding portion 2 are of an integral structure, or the connecting portion 1 and the winding portion 2 are of a separate structure, that is, the connecting portion 1 is connected with the winding portion 2 by welding or screwing, wherein when the connecting portion 1 is connected with the winding portion 2 by screwing, an internal thread is provided on the connecting portion 1, and an external thread matched with the internal thread is provided on the winding portion 2, so that the winding portion 2 can be connected with the connecting portion 1 by screwing; or, be provided with the external screw thread on connecting portion 1, be provided with the internal thread that matches with the external screw thread on winding portion 2, can with winding portion 2 with connecting portion 1 passes through threaded connection.

Further, the connecting portion 1 is used for connecting with a power device, and the power device is used for driving the connecting portion 1 to rotate, wherein the power device includes, but is not limited to, a rotating electric machine, a rotating cylinder, and the like, and is not limited herein.

further, the winding part 2 is used for winding a wire, the power device drives the connecting part 1 to rotate, and drives the winding part 2 to synchronously rotate, so that the wire wound on the winding part 2 forms a winding coil. After the winding coil is formed, the winding coil is taken out of the winding part 2, pulling forces in opposite directions are applied to two ends of the winding coil through a pressing device, so that the winding coil is pressed downwards to be flat, and the flat winding coil is wound to form a winding of the motor.

Further, the winding part 2 includes at least two guide folds 21, and the two guide folds 21 are symmetrical with respect to a central axis of the winding part 2, so that the winding coil formed by winding the conductive wire on the winding part 2 has two guide folds. The guide crease is used for providing guidance for pressing down the winding coil, namely the winding coil applies pulling force in the opposite direction along the guiding direction of the guide crease so as to enable the winding coil to become flat.

Further, the shape of the connection part 1 may be the same as the shape of the winding part 2, or the shape of the connection part 1 may be different from the shape of the winding part 2. For example, the connecting portion 1 and the winding portion 2 are both polygonal prisms, wherein the winding portion 2 has at least two guiding folds 21, that is, the winding portion 2 is at least a rhomboid column or a combination of a rhomboid column and other shapes, so that the winding portion 2 includes at least two guiding folds 21, and the formed winding coil has at least two guiding folds to provide guidance for the flattening of the winding coil. However, in other embodiments, the connecting portion 1 and the winding portion 2 may have different structures, for example, the connecting portion 1 is a cylinder, and the winding portion 2 is an N-diamond pillar or a combination of an N-diamond pillar and other shapes, where N is a positive integer greater than or equal to 3.

Optionally, the winding frame in this embodiment is a hexagonal prism (as shown in fig. 1 and fig. 2, but only the winding frame is shown in the figure as a hexagonal prism), that is, the connection portion 1 and the winding portion 2 are both hexagonal prisms, at this time, six guide folding edges 21 are provided on the winding portion 2, that is, the winding coil forms six guide folding lines, and when the winding coil needs to be pressed into a flat shape, the winding coil only needs to be pressed down along the guide directions of two symmetrical guide folding lines of the six guide folding lines to form the flat winding coil.

further, the winding portion 2 has six leads when winding a winding coil. When the wire is wound to one third of the winding part 2, the power device is controlled to stop running, the wire is pulled out to form two wires, the two wires are twisted together, and the wire is not cut off at the moment; then, continuously controlling the power device to drive the winding part 2 to wind, when the conducting wire is wound to two thirds of the winding part 2, controlling the power device to stop running, pulling out the conducting wire again to form two conducting wires, twisting the two conducting wires together, and not cutting the conducting wire at the moment; and finally, continuously controlling the power device to drive the winding part 2 to wind until the winding is completed to form a winding coil, continuously leading out two leads, twisting the two leads together, cutting the leads, continuously leading out a sixth lead, enabling the formed winding coil to have six leads, and forming a three-phase winding coil, namely the three-phase winding coil is manufactured to form a three-phase winding, namely the three-phase winding has a U phase, a V phase and a W phase. It will be appreciated that the operating parameters of the power plant may be controlled so that three-phase windings of different characteristics are wound around the bobbin.

In the embodiment of the invention, the winding framework comprises a connecting part 1 and a winding part 2 connected with the connecting part 1, the connecting part 1 is connected with a power device, the power device drives the connecting part 1 to rotate and drives the winding part 2 to synchronously rotate, a conducting wire is wound on the winding part 2 to form a winding coil, the winding part 2 comprises at least two guide folding edges 21, and the two guide folding edges 21 are symmetrical about a central axis of the winding part 2, so that the winding coil formed by winding the conducting wire on the winding part 2 has two guide folding lines. In this way, the present invention provides a technical solution that the winding portion 2 is provided with at least two guide folds 21, so that the winding coil formed on the winding portion 2 has two guide folds to provide a flattening guide for the winding coil, thereby preventing deformation of the winding coil formed by winding, and preventing deformation of the winding formed by winding and improving winding performance.

In an embodiment, the winding portion 2 includes two elastic arms 22, a gap 23 is opened between the two elastic arms 22 for the elastic arms 22 to approach or separate from each other, and each elastic arm 22 is provided with three guide folding edges 21. Wherein, the size of the gap 23 is changed to change the distance between the two elastic arms 22, so that the two elastic arms 22 are close to or far away from each other, and the two elastic arms 22 are symmetrically arranged around the gap 23.

further, when the winding portion 2 is in a normal state, the two elastic arms 22 are away from each other, at this time, the winding portion 2 does not deform, that is, the winding portion 2 can be driven by a power device to rotate, so that a wire wound on the winding portion 2 forms a winding coil. In order to prevent the two elastic arms 22 from approaching each other during the winding process of the winding portion 2 and affecting the winding effect of the winding coil, that is, the winding bobbin of the present embodiment further includes a blocking member 3, and the blocking member 3 is inserted into the winding portion 2 and inserted into the gap 23 to block the gap 23, so as to perform a normal winding operation on the winding portion 2.

Specifically, as shown in fig. 3, the blocking member 3 includes a plug 31 and a base 32, the base 32 and the plug 31 are an integral structure, and the plug 31 is inserted into the winding portion 2, that is, the plug 31 is inserted into the gap 23. It is understood that the base 32 and the plug 31 are separate structures, that is, the base 32 and the plug 31 can be connected by welding or other methods, which is not limited herein. Alternatively, in other embodiments, the blocking member 3 is a push block, the distance between the slits 23 gradually increases or decreases from the connecting portion 1 to the winding portion 2, and at this time, by changing the position of the push block in the slits 23, a pulling force can be applied to the two elastic arms 22 to move the two elastic arms 22 closer to or away from each other.

Further, when pressure is applied to any one or two of the elastic arms 22, the two elastic arms 22 approach each other, and at this time, the overall size of the winding portion 2 is reduced, so that the winding coil can be easily taken out from the winding portion 2 after the winding of the winding coil is completed.

Further, since the two elastic arms 22 are symmetrically arranged about the gap 23, that is, the number of the guiding folds 21 arranged in the two elastic arms 22 is equal, for example, taking the example that six guiding folds are arranged on the winding portion, each elastic arm 22 is provided with three guiding folds 21; alternatively, taking the example that two guide folding edges are arranged on the winding portion, one guide folding edge 21 is arranged on each elastic arm 22.

in an embodiment, in order to take out a wound winding coil from the winding portion 2 more easily, the bobbin further includes a first through hole 4 penetrating the connecting portion 1 and the winding portion 2 in a length direction of the bobbin, and the gap 23 is communicated with the first through hole 4. That is, the bobbin is hollow, and the slit 23 provided in the winding portion 2 of the bobbin communicates with the first through hole 4 to divide the winding portion 2 into two parts, so that the two parts are structurally deformable, that is, the two elastic arms 22 are formed.

Further, the first through hole 4 may be a through hole penetrating through the winding portion 2, and the first through hole 4 is not provided in the connecting portion 1, that is, the connecting portion 1 is provided in a solid state, or a through hole that is not communicated with the first through hole 4 is provided in the connecting portion 1, which is not limited herein.

Further, since the bobbin is provided with the first through hole 4 penetrating the bobbin, that is, the blocking member 3 is inserted into the first through hole 4, the blocking member is used for preventing the two elastic arms 22 from approaching each other, so as to perform a normal winding operation on the winding portion 2. The plug 31 is inserted into the first through hole 4, the base 32 is abutted to one end of the winding part 2 departing from the connecting part 1, and the size of the base 32 is slightly larger than that of the winding part 2, so that the winding position of the winding part 2 is limited, and multiple windings are prevented.

In an embodiment, when the first through hole 4 penetrating through the connecting portion 1 and the winding portion 2 is disposed in the length direction of the bobbin, a groove 5 is disposed at a connection position of each elastic arm 22 and the connecting portion 1, and the groove 5 is used for increasing the elasticity of the elastic arm 22, that is, only a small pressure is applied to the two elastic arms 22, the two elastic arms 22 can be made to approach each other, so as to take out the wound winding coil. The groove 5 is formed in the outer side wall of the connecting portion 1, and the groove 5 does not penetrate through the outer side wall and the inner side wall of the connecting portion 1.

Furthermore, a second through hole 6 is further formed in a connecting position of each elastic arm 22 and the connecting portion 1, the second through hole 6 is communicated with the first through hole 4 and the gap 23, the second through hole 6 is also used for increasing the elasticity of the elastic arms 22, that is, the two elastic arms 22 can be close to each other only by applying smaller pressure on the two elastic arms 22, so that the wound winding coil can be taken out conveniently. The second through hole 6 is opened on the side wall of the connecting part 1, and the second through hole 6 penetrates through the outer side wall and the inner side wall of the connecting part 1 and is communicated with the first through hole 4.

Further, the slit 23 extends from the hole wall of the second through hole 6 to the outside of the bobbin in the longitudinal direction of the winding portion 2, that is, the slit 23 is also communicated with the second through hole 6.

In one embodiment, the bobbin further comprises a latch piece 7, one end of the latch piece 7 is inserted into the connecting part 1 and inserted into the first through hole 4, and the other end of the latch piece 7 is connected with a power device. Namely, the plug piece 7 and the winding frame are of a split structure, as shown in fig. 4, the plug piece 7 includes a mounting end 71 and a connecting end 72, the mounting end 71 is inserted into the first through hole 4, and the connecting end 72 is connected with the power device to drive the connecting portion 1 to synchronously rotate, so as to drive the winding portion 2 connected with the connecting portion 1 to rotate, and a wire wound on the winding portion 2 is wound into a winding coil.

Further, when the first through hole 4 is not formed in the connecting portion 1, the mounting end 71 may be connected to an end of the connecting portion 1 away from the winding portion 2 by welding, or by using a screw or a screw, or the latch member 7 and the bobbin are integrated, that is, the latch member 7 and the bobbin are integrally formed, which is not limited herein.

In the embodiment of the invention, the winding framework comprises a connecting part 1 and a winding part 2 connected with the connecting part 1, the connecting part 1 is connected with a power device, the power device drives the connecting part 1 to rotate and drives the winding part 2 to synchronously rotate, a conducting wire is wound on the winding part 2 to form a winding coil, the winding part 2 comprises at least two guide folding edges 21, and the two guide folding edges 21 are symmetrical about a central axis of the winding part 2, so that the winding coil formed by winding the conducting wire on the winding part 2 has two guide folding lines. In this way, the present invention provides a technical solution that the winding portion 2 is provided with at least two guide folds 21, so that the winding coil formed on the winding portion 2 has two guide folds to provide a flattening guide for the winding coil, thereby preventing deformation of the winding coil formed by winding, and preventing deformation of the winding formed by winding and improving winding performance.

Based on the above embodiment, the invention also provides a winding manufacturing process.

As shown in fig. 5, the present invention provides a first embodiment of a winding manufacturing process, comprising:

S1, controlling a power device to drive the winding framework to rotate;

And S2, winding the conducting wire on the winding part of the winding framework to form a winding coil, wherein the winding part comprises at least two guide folding edges, and the winding coil is provided with at least two guide folding edges corresponding to the guide folding edges.

as shown in fig. 1 to 4 of the above embodiment, the bobbin includes a connecting portion 1 and a winding portion 2 connected to the connecting portion 1, the connecting portion 1 is connected to a power device, that is, the power device is controlled to drive the connecting portion 1 and the winding portion 2 to rotate, so as to control the power device to drive the bobbin to rotate.

Further, the winding portion 2 includes two elastic arms 22, and a gap 23 is opened between the two elastic arms 22 for the elastic arms 22 to approach or separate from each other. Wherein, the size of the gap 23 is changed to change the distance between the two elastic arms 22, so that the two elastic arms 22 are close to or far away from each other, and the two elastic arms 22 are symmetrically arranged around the gap 23.

Further, when the winding portion 2 is in a normal state, the two elastic arms 22 keep a certain distance, and at this time, the winding portion 2 does not deform, that is, the winding portion 2 can be driven by a power device to rotate. In order to prevent the two elastic arms 2 from approaching each other during the winding process of the winding portion 2, that is, the winding bobbin of the present embodiment further includes a blocking member 3, and the blocking member 3 is inserted into the winding portion 2 and inserted into the gap 23 to block the gap 23, so as to perform a normal winding operation on the winding portion 2.

Further, before the power device is controlled to drive the winding framework to rotate, a wire is wound at one end of the winding part 2 of the winding framework, namely the wire is fixed on the winding part 2, and the wire is wound into a winding coil through the rotation of the winding part 2.

further, the power device comprises a rotating motor, a rotating cylinder and the like, and the operating parameters of the power device are input to control the power device to drive the winding framework to rotate according to the operating parameters. For example, when the winding coil is a three-phase winding coil, the power device needs to stop operating twice, specifically, the end of the wire is led out at the position where winding starts to be the first lead, when the wire is wound to one third of the winding part 2, the power device is controlled to stop operating, the wire is pulled out to form two wires, and the two wires are twisted together, and at this time, the wire is not cut; then, continuously controlling the power device to drive the winding part 2 to wind, when the conducting wire is wound to two thirds of the winding part 2, controlling the power device to stop running, pulling out the conducting wire again to form two conducting wires, twisting the two conducting wires together, and not cutting the conducting wire at the moment; and finally, continuously controlling the power device to drive the winding part 2 to wind until the winding is completed to form a winding coil, continuously leading out two leads, twisting the two leads together, cutting the leads, continuously leading out a sixth lead, enabling the formed winding coil to have six leads, and forming a three-phase winding coil, namely the three-phase winding coil is manufactured to form a three-phase winding, namely the three-phase winding has a U phase, a V phase and a W phase. It will be appreciated that the operating parameters of the power plant may be controlled so that three-phase windings of different characteristics are wound around the bobbin.

Further, after the winding coil is formed, since the winding part 2 includes at least two guide folds 21, the two guide folds 21 are symmetrical with respect to a central axis of the winding part 2, so that the winding coil formed on the winding part 2 has two guide folds. The guide crease is used for providing a guide for pressing down the winding coil, namely providing a flattening guide for the winding coil.

In this way, according to the technical scheme provided by the embodiment of the invention, the power device is controlled to drive the winding frame to rotate, and the lead is wound on the winding part of the winding frame to form the winding coil, wherein the winding part comprises at least two guide folding edges, and the winding coil is provided with at least two guide folding edges corresponding to the guide folding edges to provide a guide for pressing down the winding coil, so that the winding coil formed by winding is prevented from being deformed.

Based on the first embodiment described above, as shown in fig. 6, the present invention provides a second embodiment of a winding manufacturing process, which includes, after the step of winding the wire around the winding portion of the bobbin to form the winding coil:

S3, taking out the winding coil from the winding part;

s4, applying pulling forces in opposite directions to the two ends of the winding coil to enable the winding coil to become flat along the guiding direction of the guide crease;

And S5, winding the flat winding coil to form a winding of the motor.

wherein, through to arbitrary one or two when the elastic arm 22 applys pressure, two the elastic arm 22 is close to each other, at this moment, the whole size of winding portion 2 can diminish to after winding coil is accomplished, can follow with the winding coil take out on winding portion 2, thereby make the operation of taking out the winding coil easier.

Further, opposite-direction pulling forces are applied to both ends of the winding coil by a pressing device to flatten the winding coil along the guiding direction of the guide fold, and the flattened winding coil is wound to form a winding of the motor.

In this way, according to the technical solution provided by the embodiment of the present invention, the winding coil is taken out from the winding portion, and the opposite-direction pulling forces are applied to the two ends of the winding coil, so that the winding coil becomes flat along the guiding direction of the guide fold, and the flat winding coil is wound to form the winding of the motor, so that the winding coil is not deformed when pressed into the flat shape, thereby preventing the motor winding formed by the winding coil from being deformed, and improving the performance of the winding.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the specification and the drawings, or any other related technical fields directly or indirectly applied thereto under the conception of the present invention are included in the scope of the present invention.