JP3507399B2 - Winding method and winding machine for outer and outer winding coils - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a winding method and a winding machine for an outer-coil coil in which both ends of a wire are both extended from the outermost layer of the coil.

[0002]

2. Description of the Related Art In forming an outer coil, an outer winding coil is formed by rotating a winding core to wind a wire, and winding the wire around the winding core through a flyer or the like. And a step of winding.

Conventionally, as a winding machine for this type of externally wound coil, there has been a winding machine equipped with a storage device for previously drawing a wire into a flyer and winding the wire. However, there is a problem in that the process of winding the wire on the wire accumulator requires time and labor, and the productivity is poor (Japanese Patent Publication No. 8-15376, JP-A-62-62).
23346, JP-A-5-90056, etc.).

Further, since the step of rotating the winding core to wind the wire and the step of revolving the wire around the winding core to wind the wire are separately performed, there is a problem that it takes a lot of work time. (See Japanese Patent Publication No. 8-15376, etc.).

Further, the applicant of the present invention has filed Japanese Patent Application No. 10-
As 93539, there is proposed a winding machine including an air cylinder that supplies a wire rod through a rotation center shaft of a flyer and draws the wire rod from the flyer and holds the wire rod in advance. However, the present invention has a problem that the structure of the winding machine is complicated, and the process of passing the wire rod through the rotation center axis of the flyer is troublesome, and the productivity is poor. The present invention has been made in view of the above problems. It is intended to simplify the structure of the outer coil winding machine and to improve the productivity.

[0006]

The first invention is applied to a method of winding an outer coil which has both ends of a wire extending from the outermost layer of the coil.

Then, a winding core that rotates around a shaft to wind the wire rod, a flyer that revolves around the shaft, a wire rod supply mechanism that supplies the wire rod, and a wire rod that supplies the wire rod from the wire rod core. And a wire rod locking mechanism that locks the flyer through the winding core and the flyer in the same direction to wind the wire rod supplied from the wire rod feeding mechanism around the winding core, and at the same time revolve the flyer to rewind the wire rod. It is characterized in that the wire rod fed from the stopping mechanism is wound around the winding core.

A second invention is characterized in that, in the first invention, the rotational speed of the flyer is made higher than the rotational speed of the winding core.

The third aspect of the invention is applied to a winding machine for an outer winding coil in which both ends of the wire material both extend from the outermost layer of the coil.

Then, a winding core that rotates around a shaft to wind the wire rod, a flyer that revolves around the shaft, a wire rod supply mechanism that supplies the wire rod, and a wire rod that is supplied from the wire rod supply mechanism to the core rod. And a wire rod locking mechanism that locks the flyer through the winding core and the flyer in the same direction to wind the wire rod supplied from the wire rod feeding mechanism around the winding core, and at the same time revolve the flyer to rewind the wire rod. The wire rod fed from the stop mechanism is wound around the winding core.

[0011]

According to the first and third inventions,
By winding the wire supplied from the wire supply mechanism around the winding core, and revolving the flyer and winding the wire fed from the wire locking mechanism around the winding core, both ends of the wire are both outermost circumference of the coil. An outer coil wound from the layers is formed.

Since the wire is stored in the flyer via the wire rod locking mechanism, it is not necessary to provide a wire storage device for winding the wire, an air cylinder or the like, and the structure can be simplified.
Further, it is possible to save the labor of passing the wire rod through the rotation center axis of the flyer or winding the wire rod around the storage device, shorten the work time for setting the wire rod, and improve the productivity.

According to the second aspect of the present invention, the wire rods supplied from two directions are simultaneously wound in one step, and the working time required for winding can be greatly reduced and the productivity can be improved.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in FIG. 1, an outer winding coil winding machine 1
Is a core rotating mechanism 1 for winding the wire 2 by rotating the core.
1 and a flyer rotation mechanism 31 for revolving the wire 2 around the winding core via the flyer 43 and winding the wire.

The winding core rotating mechanism 11 includes a first winding jig 13 for chucking the winding core, and a first spindle 14 for the first winding jig 13.
And a spindle motor 16 that is rotationally driven via the coupling 15 and the like.

The spindle motor 16 has a spindle base 17
The spindle base 17 is slidably supported by the base 3 via rails 18. A ball screw 20 that is screwed into the spindle base 17 and a moving base drive motor 19 that rotationally drives the ball screw 20 are provided. When the moving base drive motor 19 rotates the ball screw 20, the spindle base 17 slides and the first winding jig. 13 is moved in the axial direction.

The flyer rotating mechanism 31 includes a second winding jig 33 for chucking the winding core, a second spindle 34 for rotatably supporting the second winding jig 33, and a second spindle 34 via a coupling 35 or the like. Flyer motor 3 driven by rotation
6 and 6. The flyer motor 36 is fixed to the base 3 via a flyer base 37.

As shown in FIG. 2, a drum core 4 is provided as a winding core around which the wire 2 is wound, and the drum core 4 is sandwiched between a first winding jig 13 and a second winding jig 33. Retained.

The first winding jig 13 has a concave portion 23 that engages with the flange portion of the drum core 4, and has a suction passage 24 through which one end of the concave portion 23 is opened and which communicates with a pump (not shown) to suck air. . The drum core 4 is adsorbed by the negative pressure generated in the recess 23 through the suction passage 24.
As a result, the drum core 4 can be easily attached to the first winding jig 13, and it is possible to prevent damage to a material formed of a brittle material such as a fairlight core. The first winding jig 13 may have a structure such as a collet chuck.

The second winding jig 33 includes a receiving plate 39 that abuts on the flange portion of the drum core 4, and a spring 40 that presses the receiving plate 39 against the drum core 4. The second winding jig 33 has a hole 41.
Is opened, the flange portion of the drum core 4 is engaged with the hole 41, the receiving plate 39 is slidably inserted, and the spring 40 is interposed between the receiving plate 39 and the hole 41.

The second winding jig 33 is rotatably supported by the shaft portion 45 of the second spindle 34 via a bearing 42. A flyer 43 extending in the radial direction of the drum core 4 is formed on the second spindle 34. The flyer 43 is rotationally driven by a flyer motor 36 and revolves around the drum core 4.

As a wire rod supply mechanism for supplying the wire rod 2, the wire rod 2 is fed from a wire rod source (not shown) to the drum core 4.
The first tensioner 51 for sending First tensioner 5
1 includes a pair of rotating bodies 52 and 53 that rotate while holding the wire 2 by the urging force of a spring 54.
The columns 2 and 53 are connected to a column 50 protruding from the base 3. The rotating bodies 52 and 53 are supported so as to rotate with a predetermined friction, and apply a predetermined tension to the wire 2 wound around the drum core 4.

As a wire rod locking mechanism for previously pulling the wire rod 2 into the flyer 43 and locking it, the flyer 43 is provided with a second tensioner 61 for feeding the wire rod 2 to the drum core 4. The second tensioner 61 moves the wire rod 2 by the urging force of the spring 64.
It is provided with a pair of rotating bodies 62 and 63 that rotate while sandwiching the rotating body. The rotating bodies 62 and 63 are supported so as to rotate with a predetermined friction, and apply a predetermined tension to the wire 2 wound around the drum core 4.

The first and second tensioners 51 and 61 are located in the radial directions of the first and second winding jigs 13 and 33, respectively, but they are arranged so as not to interfere with each other as the flyer 43 rotates. It is offset.

With the above-described structure, the winding is performed in the following procedure. The core rotating mechanism 11 is slid to hold the drum core 4 between the first winding jig 13 and the second winding jig 33. The wire rod 2 supplied from the wire rod source is pulled out by a predetermined length and is sandwiched by the second tensioner 61 via the first tensioner 51 and the drum core 4. As a result, the second tensioner 61
From this, the wire 2 for the length wound around the drum core 4 extends as an extra length portion. The drum core 4 is rotated by the winding core rotating mechanism 11, and the flyer 43 is rotated by the flyer rotating mechanism 31 in the same direction at a double speed. As a result, the drum core 4 rotates to wind the wire 2 fed through the first tensioner 51, and the flyer 43 revolves around the drum core 4 at the same angular velocity as the drum core 4 and passes through the second tensioner 61. The wire 2 to be sent is wound. The core rotating mechanism 11 and the flyer rotating mechanism 31 are each rotated a predetermined number of times and then stopped. The wire 2 extending to the first tensioner 51 is cut near the drum core 4. The core rotating mechanism 11 is slid to remove the drum core 4 from between the first winding jig 13 and the second winding jig 33.

Thus, as shown in FIG. 3, the wire rod 2 is wound around the winding drum portion of the drum core 4 in two rows in the axial direction to be wound in multiple layers, and both ends of the wire rod 2 are both outermost layers of the coil. An outer winding coil extending from the outer coil is formed.

Since the flyer 43 has a structure in which the wire is stored through the second tensioner 61, it is not necessary to provide a wire storage device for winding the wire 2 or an air cylinder, and the structure can be simplified. Further, it is possible to save the labor of passing the wire rod 2 through the rotation center shaft of the flyer 43 or winding the wire rod 2 around the wire accumulator, and the work time for setting the wire rod 2 can be shortened.

Since the flyer rotating mechanism 31 is rotated at a double speed in synchronism with the rotation of the drum core 4, the wire rods 2 supplied from two directions in one step are simultaneously wound around the drum core 4 and are wound. The working time required can be cut in half.

As another embodiment, the step of winding the wire rod 2 fed through the first tensioner 51 by synchronously rotating the drum core 4 and the flyer 43, and the flyer 43 revolving around the drum core 4, The step of winding the wire 2 fed via the two tensioners 61 may be separately performed.

In this case, first, the flyer 43 is rotated in the same direction at the same speed by the flyer rotating mechanism 31 in synchronization with the rotation of the drum core 4 via the core rotating mechanism 11. As a result, the drum core 4 rotates together with the flyer 43 and is sent through the first tensioner 51.
To wind. Then, the rotation of the core rotating mechanism 11 is stopped, and the flyer 43 is revolved through the flyer rotating mechanism 31. As a result, the drum core 4 winds the wire 2 fed via the second tensioner 61.

As still another embodiment, when forming an air-core coil, a wire is wound around a winding core, and hot air is blown to cure the surface material of the wire, and the self-standing coil is removed from the winding core. do it. Also, a normal bobbin may be used or the winding may be similarly performed.

As still another embodiment, a traverse mechanism for winding the wire rod while moving it laterally may be provided to increase the number of turns.

It is obvious that the present invention is not limited to the above-mentioned embodiments and various modifications can be made within the scope of the technical idea thereof.

[Brief description of drawings]

FIG. 1 is a perspective view of an outer winding coil winding machine showing an embodiment of the present invention.

FIG. 2 is a sectional view of the outer coil winding machine.

FIG. 3 is a sectional view of the coil.

[Explanation of symbols]

1 Outside coil winding machine 2 wire rod 4 drum core 11 Core rotation mechanism 13 First winding jig 31 Flyer rotation mechanism 33 Second jig 51 First tensioner (wire rod supply mechanism) 43 Flyer 61 Second tensioner (wire rod locking mechanism)

Claims (3)

(57) [Claims] 1. A method for winding an outer coil, wherein both ends of a wire extend from the outermost peripheral layer of the coil, and a winding core that rotates around the shaft to wind the wire, and an orbit around the shaft. A flyer, a wire rod supply mechanism that supplies the wire rod, and a wire rod locking mechanism that locks the wire rod supplied from the wire rod supply mechanism to the flyer via the winding core, the winding core and the flyer In the same direction to wind the wire rod supplied from the wire rod supply mechanism around the winding core, and revolve the flyer to wind the wire rod fed out from the wire rod locking mechanism around the winding core. A method for winding an outer coil, comprising: 2. The winding method for an outer coil according to claim 1, wherein the rotational speed of the flyer is set higher than the rotational speed of the winding core. 3. A winding machine for an outer-coiled coil, wherein both ends of the wire extend from the outermost layer of the coil, and a winding core that rotates around the shaft to wind the wire, and an orbit around the shaft. A flyer, a wire rod supply mechanism that supplies the wire rod, and a wire rod locking mechanism that locks the wire rod supplied from the wire rod supply mechanism to the flyer via the winding core, the winding core and the flyer In the same direction to wind the wire rod supplied from the wire rod supply mechanism around the winding core, and revolve the flyer to wind the wire rod fed out from the wire rod locking mechanism around the winding core. The outer winding coil winding machine is characterized in that