WO2023048418A1

WO2023048418A1 - Motor coil winding device having extended winding range

Info

Publication number: WO2023048418A1
Application number: PCT/KR2022/013072
Authority: WO
Inventors: 정진일
Original assignee: 주식회사 야호텍
Priority date: 2021-09-24
Filing date: 2022-09-01
Publication date: 2023-03-30
Also published as: KR102664476B1; KR20230044064A

Abstract

The present invention relates to a motor coil winding device having an extended winding range and, more specifically, to a coil winding device in which the structure of a farma is improved so that many wires are wound, and which can operate without extending the blade length of an upper tool for accommodating a coil. In order to accomplish the objective, a motor coil winding device, having an extended wire winding range, for inserting a coil into an upper tool (U), according to the present invention, comprises: a farma part (10) positioned above the upper tool (U), and having a farma, which has an outer circumferential surface wound with a wire and is formed in multi-stages; a farma cylinder (20), which is provided above the farma part (10), and has a rod part (21) that extends downward and is coupled to one end of the farma part (10); and a control part for controlling the length of the rod part (21), wherein the length of the farma part (10) is controlled in correspondence to the rising height of the upper tool (U) and the wire is inserted into the upper tool (U).

Description

Motor coil winding unit with extended winding range

The present invention relates to a motor coil winding device with an extended winding range, and more particularly, by improving the structure of a forma to wind many wires, but the work can be performed without extending the blade length of the upper tool accommodating the coil It relates to a coil winding device.

In general, an electric motor is a device that converts electrical energy into mechanical energy by using a force applied to a current-carrying conductor in a magnetic field, and generally includes a motor.

Here, motors are classified into DC motors and AC motors according to the type of power supplied, and AC motors are further divided into three-phase AC and single-phase AC motors. Today, three-phase AC motors are mainly used.

In addition, as a method of winding the coil on the stator inside the motor, a method of winding the coil directly on the stator and a method of first winding the coil in a certain shape and inserting it into a slot formed between teeth formed on the inner wall of the stator and teeth are used, and high-performance Since the motor winds several coils, limitations due to manpower have occurred.

Accordingly, Korean Patent Registration No. 10-1632361 “Motor Coil Winding Device and Winding Method”, in order to wind the coil by a machine rather than manpower, not only automatically winds the winding, but also winds two polarities with one device. However, the number of turns of the wire constituting the core used in motor manufacturing has increased, and the length of the forma in which the wire is wound is limited to manufacture a coil using existing facilities, so it is difficult to use a single forma. The number of turns of the wire that can be wound was limited.

In order to solve the above problem, the length of the forma is increased so that the length of the wire can be wound a lot to increase the area where the wire is wound, and correspondingly, the length of the blade of the upper tool for transporting the wire wound on the forma is also increased. However, as the length of the blade of the upper tool increased, the problem that the wire could not settle between the blades remained.

Therefore, there is a need for a method of winding a plurality of wires on a forma without increasing the length of the blade of the upper tool and receiving the wound wire with the upper tool.

(Patent Document 1) Republic of Korea Patent Registration No. 10-1632361 (2016.06.15)

The present invention has been made to solve the above problems, and an object of the present invention is to change the length of a form on which a wire is wound so that a coil having an increased number of turns can be seated on the upper tool without changing the length of the upper tool.

In addition, depending on the type of motor to be manufactured, the process can be performed without replacing the forma and upper tool of the coil device.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, in the motor coil winding device for inserting the coil having an extended winding range of the wire into the upper tool (U) according to the present invention, it is located on the upper tool (U), and the wire is wound on the outer circumferential surface The forma unit 10 in which the forma is formed in multiple stages; a forma cylinder 20 installed above the forma part 10 and having a rod part 21 extending downward coupled to one end of the forma part 10; and a control unit for controlling the length of the rod unit 21; to control the length of the form unit 10 in response to the rising height of the upper tool U, and to guide the wire into the upper tool U. insert

In addition, the forma part 10 is provided with a moving forma 11 that slides along the rail 12 formed on the inner surface, and the moving forma 11 is connected to one side of the rod part 21,

The controller is characterized in that the upper tool U rises by contracting the rod part 21 in response to the rise of the insert tool, and the wire wound on the form part 10 can be seated therein. .

In addition, the maximum length of the forme part 10 is longer than that of the upper tool U.

In addition, the former part 10 prevents the wire wound around the moving former 11 from being caught between the ends formed by the former former 10 and the moving former 11 as the moving former 11 rises. It is characterized in that an inclined surface is provided on one side of the outer circumferential surface of the forma part (10).

And, the size of the former part 10 is formed larger than the size of the moving former 11, so that the moving former 11 is inserted into the former part 10.

The coil winding device according to the present invention has an effect of allowing a coil having an increased number of turns to be seated on the upper tool without changing the length of the upper tool by changing the length of the forma around which the wire is wound.

In addition, there is an effect that the process can be performed without replacing the forma and upper tool of the coil device according to the type of motor to be manufactured.

1 is a schematic diagram of a coil winding device according to the present invention;

2 is a schematic diagram of a coil winding device according to a preferred embodiment of the present invention;

3 is a schematic diagram of the maximum length of a forma according to a preferred embodiment of the present invention;

4 is a schematic diagram of the minimum length of a forma according to a preferred embodiment of the present invention;

5 is a plan view of a moving forma according to the present invention.

10: Forma Department

11: mobile form

12: rail

20: Forma cylinder

21: loading part

I: Insert tool

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to fully inform the holder of the scope of the invention, and the present invention is only defined by the scope of the claims.

With reference to the accompanying drawings below, specific details for the practice of the present invention will be described in detail. Like reference numbers refer to like elements, regardless of drawing, and "and/or" includes each and every combination of one or more of the recited items.

Although first, second, etc. are used to describe various components, these components are not limited by these terms, of course. These terms are only used to distinguish one component from another. Accordingly, it goes without saying that the first component mentioned below may also be the second component within the technical spirit of the present invention.

Terms used in this specification are for describing the embodiments and are not intended to limit the present invention. In this specification, singular forms also include plural forms unless specifically stated otherwise in a phrase. As used herein, "comprises" and/or "comprising" does not exclude the presence or addition of one or more other elements other than the recited elements.

Unless otherwise defined, all terms (including technical and scientific terms) used in this specification may be used in a meaning commonly understood by those of ordinary skill in the art to which the present invention belongs. In addition, terms defined in commonly used dictionaries are not interpreted ideally or excessively unless explicitly specifically defined.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The winding device for inserting the coil having an extended winding range into the upper tool U according to the present invention largely includes a former 10, a forma cylinder 20, and a controller (not shown).

1 is a schematic diagram of a coil winding device according to the present invention, and FIG. 2 is a schematic diagram of a coil winding device according to a correct embodiment of the present invention.

As shown, the form part 10 is located above the upper tool U, and the body part around which the wire is wound is formed in multiple stages.

In addition, the forma cylinder 20 is installed on the upper part of the forma part 10, and the rod part 21 extending downward is coupled to the end of the forma part 10 so that the rod of the forma cylinder 20 moves forward and backward. The length of the coachman 10 is adjusted.

Next, when the winding of the wire in the form part 10 is finished, the upper tool U rises and a control unit is provided to control the wire to be inserted between the blades of the upper tool U.

In addition, since the maximum length of the fore part 10 of the present invention is longer than the blade of the upper tool U, when the upper tool U is raised without adjusting the length of the fore part 10, the wire wound around the fore part 10 is not inserted into the upper tool (U).

Therefore, the control unit of the present invention shrinks the length of the rod of the forma cylinder 20 in response to the rising height of the upper tool (U) so that all coils with an extended winding range of wire can be inserted into the upper tool (U). It is desirable to do

However, one side of the forma unit 10 is rotated by a drive unit formed on one side of the frame and the wire is wound along the body, which is sufficiently described in the presented prior art, so that the operation of winding the wire around the forma is omitted, The multi-stage shape of the fore part, which is a feature of the present invention, will be described.

Fig. 3 is a schematic diagram of the maximum length of a forma according to a preferred embodiment of the present invention, and Fig. 4 is a schematic diagram of the minimum length of a forma according to a preferred embodiment of the present invention.

As shown, one side of the rod part 21 of the forma part 10 is coupled to the rod of the forma cylinder 20, and the rod part 21 is formed in the center of the forma part 10.

In addition, the former unit 10 has a moving former 11 inside, and the moving former 11 has a rail 12 inside, and the rail 12 has a plurality of bolts in the longitudinal direction at predetermined intervals. It is provided and coupled to the forma part 10.

In addition, the rail 12 is located on the inner surface of the former unit 10, extends to the end, and has a locking jaw ( (not shown) is preferably formed so that the moving forma 11 can be hung.

Therefore, as shown in FIG. 3, since the maximum length of the forme part 10 is longer than the upper tool U, even if the upper tool U rises to interpolate the coil wound on the forme part 10, the whole coil cannot be inserted into the upper tool U, as shown in FIG. All of the coils wound on can be inserted into the upper tool (U).

Here, the size of the forma part 10 is formed to be larger than the size of the moving forma 11 so that the moving forma 11 is inserted into the forma part 10 to minimize the pinching of the wound wire. do.

In addition, the forr part 10 prevents the wire wound around the moving former 11 from being caught between the ends formed by the former former 10 and the moving former 11 as the moving former 11 rises. ) is provided with an inclined surface on one side of the outer circumferential surface of

In other words, when the moving former 11 rises and enters the inside of the former 10, it is formed on the lower surface of the former 10 so that the wire wound on the mobile former 11 can span the inclined surface. desirable.

Therefore, in the coil winding device of the present invention, the coil with an extended winding range can be inserted into the upper tool U through the moving forma 11, but the coil can be inserted without adjusting the length of the upper tool U.

In addition, in the correct embodiment of the present invention, the moving former 11 is formed in a three-stage shape, and the moving former 11 is located in the third position from the starting point of the former unit 10, but this position and number of stages are not limited. don't

5 is a plan view of a moving forma according to the present invention.

As shown, the mobile former 11 of the present invention is formed in a symmetrical position with respect to the rotational axis of the former unit 10, and in order to improve the vertical movement accuracy of the mobile former 11, the rail 12 is It is preferable to form in plurality.

In addition, since the wire is wound in the moving forma 11 and receives pressure in the direction of the center of the rotational trajectory, the part in contact with the inner rail 12 is provided as a plate-shaped block so that the wire is wound and the rail 12 ) is not bent.

Therefore, since the plurality of rails 12 are positioned in parallel at predetermined intervals in the longitudinal direction of the inner block, sliding of the moving forma 11 can be performed without inclining to one side.

In the embodiment of the present invention, the moving forma 11 is moved by the forma cylinder 20, but a design that moves vertically through an LM guide (not shown) installed in the longitudinal direction on one side of the forma unit 10 is also applicable do.

Although the embodiments of the present invention have been described with reference to the above and accompanying drawings, those skilled in the art to which the present invention pertains can implement the present invention in other specific forms without changing the technical spirit or essential features. You will understand that there is Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

Claims

In the motor coil winding device for inserting the coil with the extended winding range of the wire into the upper tool (U),

a forma unit 10 located above the upper tool U and formed with multiple stages of a forma around which a wire is wound;

a forma cylinder 20 installed above the forma part 10 and having a rod part 21 extending downward coupled to one end of the forma part 10; and

A controller for controlling the length of the rod part 21 controls the length of the form part 10 corresponding to the rising height of the upper tool U, and inserts a wire into the upper tool U. motor coil winding device to do.
According to claim 1,

The forma part 10 is provided with a moving forma 11 that slides along a rail 12 formed on an inner surface, and the moving forma 11 is connected to one side of the rod part 21,

The controller contracts the rod part 21 in response to the rise of the insert tool, so that the upper tool U rises and the wire wound on the form part 10 can be seated therein. coil winding device.
According to claim 2,

The motor coil winding device, characterized in that the maximum length of the form part (10) is longer than the upper tool (U).
According to claim 2,

The forr part 10 prevents the wire wound around the moving former 11 from being caught between the ends formed by the former part 10 and the moving former 11 as the moving former 11 rises. A coil winding device characterized in that an inclined surface is provided on one side of the outer circumferential surface of the carriage (10).
According to claim 4,

The motor coil winding device, characterized in that the size of the forma portion (10) is formed larger than the size of the moving forma (11) so that the moving forma (11) is inserted into the forma portion (10).