JPH0612945B2 - Multi-type coil winding device - Google Patents

Description

Description: [Field of Industrial Application] The present invention relates to a winding device for making a field coil to be incorporated in a rotary electric machine.

[Conventional technology]

For example, in Japanese Utility Model Publication No. 41-23769, a pair of horizontal rods that are orthogonal to the central and left and right vertical frame rods and are fixed to the central vertical frame rod, and positionally adjustable to the central and left and right vertical frame rods are attached. And a winding form of a motor coil winder having a plurality of hanging combs around which a conductive wire is wound.

This winding form can change the winding form of the coil in a wide range by appropriately selecting the positions of the left and right vertical frame rods and the positions of the plurality of hanging combs, and by endlessly hanging the conducting wires over the plurality of hanging combs. is there.

When removing the wound coil from the winding form frame, the left and right vertical frame rods are moved toward the central vertical frame rod, and the hinges provided on the central and left and right vertical frame rods are used as fulcrums for the center and The left and right vertical frame rods were bent in two to remove the coil.

[Problems to be solved by the invention]

However, in the prior art, when removing the wound coil as described above, the central and left and right vertical frame rods are bent into two and the coil is removed. For this reason,
When the coil is removed from the winding form, the coil is also folded in half, which may cause the coil shape to collapse.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a multi-coil winding device capable of easily changing a coil diameter and a coil shape and removing a coil from a rotary winding frame without breaking the coil shape.

[Means for solving problems]

In the multi-coil winding device of the present invention, a locking portion for locking the winding start end of the wire for coil making, a plurality of guide rails radially extending from the shaft core, and slidably assembled to these guide rails, respectively. A rotary winding frame having a plurality of winding rods around which the wire for coil making is wound; a coil wire rod supply means for moving the tip of the wire for coil making to the locking portion to lock the coil wire; A drive shaft that opposes the rotary winding frame axially back and forth on the axis of the winding frame, an engaging member attached to the tip of the drive shaft, and an engaged member provided on the rotary winding frame. When the drive shaft advances and the engaging member and the engaged member engage with each other, the rotational force from the drive shaft is transmitted to the rotary reel to rotate the rotary reel. Drive means for driving and engaged portion on the outer surface A winding rod moving unit that is arranged so as to be movable in the axial direction of the rotary reel and that moves the plurality of winding rods along the plurality of guide rails in accordance with the amount of axial displacement. And a plurality of engaging portions that engage with each other and an operation control mechanism that selectively actuates the engaging portions, and a positioning means that stops the winding rod moving means at a predetermined position. It is adopted.

According to a preferred embodiment of the present invention, the coil wire supplying means has a storage tool for storing two or more types of coil wire windings and a plurality of holes through which the coil wire is inserted. , A block for swinging in the horizontal direction to bring the arbitrary coil-making wire rod protruding from the hole to the locking portion, a tensioning device for applying a tension to the arbitrary coil-making wire rod, and the block It consists of a combination of a fixture for fixing any of the coil making wire rods inserted through the attached holes and an electronic control circuit for automatically controlling the block.

Further, the engaged portion is a concave portion formed on the outer peripheral surface of the winding rod moving means, and the engaging portion is a plurality of front and rear moving rods fitted in the concave portion.

[Action]

By selectively engaging the engaging portion of the positioning means with the engaged portion of the winding rod moving means, the winding rod moving means is stopped at a predetermined position. Then, the plurality of winding rods connected to the winding rod moving means are positioned at predetermined positions where they are slid radially along the plurality of guide rails. Therefore, since the positions of the plurality of winding rods with respect to the plurality of guide rails are changed by changing the axial position of the winding rod moving means, the coil diameter,
The coil shape can be changed easily.

Further, by simply moving the winding rod moving means in the axial direction, the plurality of winding rods are slid simultaneously in the axial direction along the plurality of guide rails, so that the coil can be easily removed from the rotary form.

〔The invention's effect〕

It is corrected that the coil diameter and the coil shape can be easily changed, and the coil can be easily removed from the rotary winding frame without breaking the coil shape.

〔Example〕

Next, a multi-coil automatic setup winding apparatus of the present invention will be described based on an embodiment shown in the drawings.

Since the device of the present invention is composed of a combination of the following nine main constituent parts as shown in FIG. 1 as an explanatory view of the overall structure, the structure and operation of each of the constituent parts will be sequentially described below. .

A: Supply mechanism of wire material for coil making B: Selective gripping of wire material and attachment structure to reel C: Rotating reel with variable coil diameter (wire reeling station) D: Drive mechanism of rotating reel E: Coil reel Winding rod position displacement mechanism F: Winding rod position setting mechanism of coil winding frame G: Winding end cutting mechanism of wire rod H: Rolling rod position setting station I: Finished coil take-out station First, feeding mechanism for coil forming wire rod A Is a plurality of holes or slits a for inserting a plurality of types of wire rods 1 ₁ , 1 ₂ , 1 ₃ , 1 ₄ that are respectively fed from a bundle of wire rods having different wire diameters, materials, cross-sectional shapes, etc. The wire rod positioning block 2 provided, the air cylinder group 3 for horizontally moving the block 2 horizontally, the swinging air cylinder 4 for swinging the block 2 back and forth, and the hole a of the block 2 And it is configured to wire 1 in the state in non-use that is passed from the wire fixture 5 which for keeping fixed the insertion position against the tensile force of the tensioning device of the wire 1.

The wire rod 1 which is unwound from the wire rod bundle and fed from the arrow (a) direction through the tensioning device is inserted into the hole a of the wire rod positioning block 2 or a slit in place of the hole, and its tip is outside the hole a. It is placed in a protruding state. By swinging the block 2 left and right and front and back in the direction of (b), the winding start end of the type of wire rod selected at the clamp fixed position (e) of the wire rod winding start end described later (e) Move in the direction of c).

Next, the mechanism B for selectively gripping the wire rod 1 and attaching it to the winding frame includes a guide 6 for moving the clamper 6 at the winding start end of the wire rod 1, an air cylinder 7 for vertically moving the same, and a clamper 6 attached to the piston of the cylinder 7 for lateral movement. The bar 8 and the return spring 9 of the clamper 6 attached to this bar 8 and the winding start end of the wire 1 gripped by the clamper 6 are pushed to press the winding frame C.
The wire rod push rod 10 for fitting into the V-shaped groove of the winding start end fixture 16 as a locking portion for fixing the winding start end of the wire rod 1 attached to the ing.

When the desired wire rod 1 is brought from the wire rod group 1 to the wire rod holding position (e) of the clamper 6 by the movement of the wire rod positioning block 2 described above, the air cylinder 7 operates and the clamper 6 moves to its original position ( D) rise from (e)
After reaching the position and gripping the wire rod 1, it descends to return to the original position (d) again. When the clamper 6 has finished descending, the wire rod pushing rod 10 then pushes the wire rod 1 in the direction of (f) by the action of the attached air cylinder 11 to engage the winding start end of the wire rod 1 with the fixture 16 attached to the winding frame C. Stop it. Then, the push rod 10 returns to its original position. With the movement of the wire rod 1, the clamper 6 is also moved to the (g) position along the guide bar 8 thereof, and after releasing the fixed wire rod 1, the spring 9 returns to the original position (d). Reference numeral 56 is an air cylinder for opening and closing the clamper 6.

Next, the rotary reel C is fitted to the bearing 12 and is formed on one end of a rotary shaft 13 which is axially movable back and forth.
A plurality of wire rods 15 are slidably assembled to a plurality of guide rails 35 radially provided on the board surface from the center thereof, and the wire rods 15 around which the wire rods 1 are wound, the winding start end and winding end of the wire rods 1. The end fixtures 16 and 17 are provided eccentrically, so to speak, at a place somewhat separated from the center of the board surface.
Engagement-engaged member 1 for engagement for engaging the rotational force transmitting engagement protrusions 26, 27 of the drive mechanism D of the rotary reel described later.
It consists of 8 and 19 as components. Each roll 1
The top end of the 5 are then supplied with the coil stopper 20 for winding up coil 1 ₀ unraveling stop. Reference numeral 55 is a wire positioning bar.

The bearing 12 of the rotary shaft 13 of the rotary reel C has a square cross-section arm 46 attached to a rotary cylinder 45 for radially mounting the rotary reel C groups and intermittently rotating them around the support column 44.
It is supported in a slidably inserted state, and the condition that the rotary disk 14 is always engaged with the rotary disk drive device described later by the pressing force of the spring 47 is maintained. Four
Reference numeral 8 is a stopper of the bearing 12 provided at the tip of the arm 46. The stopper 48 has a rotary disk rotating shaft 1
A locking bar 49 for stopping the rotation of 3 is incorporated, and the locking bar 49 is fixed by the air cylinder 50.
The locking and disengagement operations are performed.

Since the group of rotating reels C is attached to the support column 44 so as to be rotatable in the direction of the arrow (h), three rotating reels in this embodiment are set stations H at the reel position. Wire rod winding station (C in Fig. 1
Position), and the completed coil take-out station I, so that the coil production process can be smoothly taken over.

The drive mechanism D of the rotary reel is a drive means, and the motor 2
Rotating cylinder 23 driven by gear group 22 by 1
A rotary disc drive shaft 24 spline-fitted into the cylinder 23; a rotary bar 25 attached to one end of the rotary disc drive shaft 24; and an eccentric position of the bar 25 with respect to the rotary disc drive shaft 24. Rotational force transmitting engagement projections 26 and 27 for fitting to the engaged members 18 and 19 for locking on the plate surface of the rotary plate 14, and a gear 28 attached to the outer periphery of the rotary cylinder 23. A worm gear 29 that meshes with the rotary cylinder 23 is attached, and the rotary cylinder 23 is advanced by one pitch of the coil winding for each rotation of the rotary cylinder 23 along the cylinder axis direction. It is composed of a rotary shaft propelling cylinder 31 to which a bar 30 is attached. The illustration of the rotation speed control device is omitted.

Next, the winding rod displacement mechanism E of the coil winding frame for changing the diameter of the coil to be produced is described as a front view of the turntable 14 for explaining the winding progress of the wire rod 1 at each stage of the progress. Referring to FIGS. 2 to 5 and FIG. 6 as a front view of the turntable 14 illustrating the mechanism for changing the coil diameter, the winding rod position displacement mechanism E of the coil bobbin includes the turntable 14 A link mechanism 32 having one end connected to a winding rod group 15 that is fitted to a plurality of guide rails 35 radially provided on the board surface and that slides in the radial direction of the board surface, a link turntable 33, and a link. The other end of the mechanism 32 is connected to the rotary shaft 13 of the rotary disk 14, and the slider 34 is axially moved back and forth. Further, the winding rod position setting mechanism F of the coil winding frame is a positioning means, is attached to the slider 34 fitted onto the rotary disk rotation shaft 13, and is placed in a parallel positional relationship with the rotation shaft 13, and the slider 34. A bar 36 for positioning the winding rod 15 having an engaged portion such as a recess b for stopping attached thereto, and the bar 36.
A plurality of front and rear moving rods 37 as engaging portions that can be fitted in and disengaged from the recesses b arranged at arbitrary intervals along the moving direction of the winding rod, and a winding bar positioning bar 36. The pressing lever 38 of the bar 36 for causing the pressing, the air cylinder 38 for pressing the pressing lever 38, and the bar 36 against the pressing force of the pressing lever 38 are pushed to a predetermined position, in this case, the left end of the drawing, Set the position of the winding rod 15 to the rotary table 14
Extension spring 40 for moving to the most center position of
And an air cylinder 41 for operating the front and rear moving rod 37.
And a linking tool 42 for transmitting the movement of the air cylinder 41 to the front-rear moving rod 37. Reference numeral 43 is a block for forming the recess b attached to the tip of the bar 36.

Regarding the operation of the winding rod position setting mechanism F of the coil winding frame, the front and rear moving rods 37 in which a plurality of winding rods 15 among the plurality of front and rear moving rods 37 are positioned at positions corresponding to the coil shape.
Is selected, the recess b formed in the positioning bar 36 of the winding rod 15 is positioned on the front-rear moving rod 37, and the front-rear moving rod 37 is fitted into the recess b.

Then, the slider 34 fixed to the positioning bar 36
The axial position of the rotary shaft 13 is determined, and the plurality of winding rods 15 interlocking with the slider 34 via the link mechanism 32 slides on the plurality of guide rails 35, so that the plurality of guide rails 35 are moved relative to the plurality of guide rails 35. The position is decided.

The slider 34 is stopped at a predetermined position by fitting the front and rear moving rods 37, and the plurality of winding rods 15 are also stopped at a predetermined position. Therefore, for example, a coil having a similar shape requiring a plurality of winding rods can be formed. It is easy and effortless to perform the matching work and the work of matching the shape of the coil of the same size. Furthermore, since a plurality of winding rods 15 can be positioned at predetermined positions so that coils of the same size can be manufactured many times, it is possible to increase the reproducibility of the coils of the same size.

Next, the winding end cutting mechanism G of the wire rod 1 will be described.
The cutting mechanism G includes push rod wires for pushing the V-shaped groove of the wire winding end terminal fixture 17 that comes the winding end portion of the coil 1 ₀ finished around the rotating disk 14 of the bobbin C 1
5, an air cylinder 52 for forward and backward movement thereof, a wire rod cutter 53 attached to the tip of the push rod 51, and a cutter 5.
3 and the air cylinder 54 for advancing.

When the coil 1 ₀ roll up, rod 51 pushes wire rod is fixed by pushing the V-shaped groove of the end fasteners 17 After completion wire winding the wire 1 is pushed in the direction indicated by the arrow in the illustration (i), followed by air for forward The cylinder 54 works and the wire cutter 53 pushes the wire 1 completely.

When the work of cutting the completed coil winding end is completed, the front and rear moving rods 37 for stopping the winding rod positioning bar 36 incorporated under the winding rod position setting mechanism of the coil winding frame at a predetermined position are next. The operating air cylinder 41 retracts the front and rear moving rod 37, the positioning bar 36 of the winding rod moves to the left end of the figure by the extension force of the extension spring 40, and the winding rod 15 moves along the guide rail 35 thereof. since moves to the most central position near the turntable 14, the finished coil 1 ₀ winding rod 15
It is released from the restraint by the group and can be taken out easily without breaking the coil shape.

Finally, regarding the operation of the winding rod position displacement mechanism E of the coil bobbin, FIGS. 2 to 6 as plan views of the rotating disk 14 described above and No. 7 as a perspective view showing a shape example of the completed coil. The wire rod 1 will be described with reference to FIGS.
Is unwound from the winding bundle through the hole a of the wire rod positioning block 2 and is locked to the wire rod winding start end fixing device 16 by the above-described method of the winding start end thereof, and then the rotation plate 14 starts rotating. While being caught by a plurality of winding rods 15 arranged in the circumferential direction one after another, the winding rod 15 is wound up in a polygonal coil strip. In the case shown in FIG. 2 to FIG. 6, a regular hexagonal coil is obtained by arranging six winding rods 15 so as to be located at each vertex of the regular hexagon, and each winding rod 15 is guided by its guide. Obtaining a regular hexagonal coil having an arbitrary diameter as shown by the chain double-dashed line in FIG. 6 by sliding the rail 35 synchronously and fixing it at an arbitrary position by the method described above. You can also Further, when it is desired to form a quadrangular coil as shown in FIGS. 8 and 9, once all the winding rods 15 are gathered at the innermost positions of the guide rails 35, four winding rods are gathered. Choose 15 and guide rail 3
It may be moved in the outer peripheral direction of 5 to select and fix a position where a desired quadrangle is formed. The number of guide rails 35 is six in this figure, but the number can be increased to a larger number as needed. In addition, 15 a is a base portion of the winding rod 15.

A multi-coil winding device having the above-described configuration is an object of the present invention by appropriately remotely controlling an air cylinder group attached to each of the above-mentioned mechanisms A to I according to desired conditions. It is possible to automatically perform selection of coil wire material, change of coil winding diameter, change of coil shape, designation of coil winding number, designation of coil production quantity, and the like. Also, the removal of the completed coil may be entrusted to a dedicated robot.
The operation control of these air cylinder groups is performed by the attached electronic control circuit based on the work process information stored in the punching tape, the magnetic storage tape, or the like. Other actuators or solenoids may be used instead of the air cylinder.

[Brief description of drawings]

FIG. 1 is an explanatory view of the overall configuration of a multi-coil winding device according to the present invention, FIGS. 2 to 5 are front views of a rotary disk for explaining each stage of coil winding, and FIG. 6 is a change in coil diameter. FIG. 7 to FIG. 9 are front views of the surface of the turntable for explaining the mechanism of the mechanism, and FIGS. 7 to 9 are perspective views of examples of the shape of the coil made by the device of the present invention. In the figure, A: Wire supply mechanism for coil making B: Selective gripping of wire and mounting structure to winding frame C: Rotating reel with variable coil diameter (wire winding station) D: Drive mechanism of rotating reel E: Coil Winding rod position displacement mechanism of winding frame F: Winding rod position setting mechanism of coil winding frame G: Winding end cutting mechanism of wire rod H: Setting station of winding rod position I: Take-out station of completed coil 1 ... Wire rod, 2 ... ... Wire rod positioning block, a ... Block hole, 5 ... Wire rod fixture, 6 ... Wire rod winding start end clamper, 10 ... Wire rod push rod, 12 ... Bearing, 13
...... Rotating disk rotating shaft, 14 ...... Rotating disk, 15 ...... Wire rod, 16, 17 ...... Rolling start end and winding end fixing tool, 18 (19) ...... For engagement for transmitting rotational force Engagement member for locking member, 21 ... Motor, 23 ... Rotating cylinder,
24 ... rotary disk drive shaft, 25 ... rotary bar, 29 ... foam gear, 30 ... rotary shaft advancing bar, 31 ... rotary shaft propulsion cylinder, 32 ... link mechanism, 33 ... link rotary shaft, 34 ... Slider, 35 ... Roll bar guide rail, 36 ... Roll bar positioning bar, 37 ... Rolling rod,
38 ... Pressing lever, 44 ... Post, 45 ... Rotating cylinder,
46 ... Arm, 49 ... Rotating shaft locking bar, 51 ...
… Wire rod push rod, 53… Wire rod cutter, 3, 4, 7, 1
1, 39, 41, 50, 52, 54, 56 ... Air cylinder.

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Yuzo Inuzuka 1-1, Showa-cho, Kariya City, Aichi Nihon Denso Co., Ltd. (72) Inventor Kosei Hayashi 1-1-1, Showa-cho, Kariya City, Aichi Prefecture Sozo Co., Ltd. (56) Bibliography Sho 41-23769 (JP, Y1)

Claims (3)

[Claims] (A) A locking portion for locking a winding start end of a wire for coil making, a plurality of guide rails radially extending from a shaft core, and slidably assembled to these guide rails, respectively. A rotary winding frame having a plurality of winding rods around which the coil-forming wire rod is wound, (b) a coil wire-rod supplying means for moving and locking the tip of the coil-making wire rod to the locking portion, (c) a drive shaft that is opposed to the rotary reel so as to be axially movable back and forth on the axis of the rotary reel, an engagement member attached to the tip of the drive shaft, and provided on the rotary reel. When the drive shaft moves forward to engage the engaged member with the engaged member, the rotational force from the drive shaft is transmitted to the rotary winding frame, Drive means for rotationally driving the rotary reel, and (d) an engaged portion on the outer surface, Winding rod moving means that is arranged so as to be movable in the axial direction and that moves the plurality of winding frames along the plurality of guide rails according to the amount of displacement in the axial direction, and (e) the engaged portion. Multi-coil winding having a plurality of engaging portions that engage with each other and an operation control mechanism that selectively actuates the engaging portions, and positioning means that stops the winding rod moving means at a predetermined position. apparatus. 2. The coil wire rod supply means has a housing for housing two or more types of coil wire bundles and a plurality of holes through which the coil wire rods pass, and is horizontally shaken. A block that moves to project the arbitrary coil-making wire rod protruding from the hole to the locking portion, a tensioning device that applies a tension to the arbitrary coil-making wire rod, and the hole attached to the block. The multi-type coil winding according to claim 1, comprising a combination of a fixture for fixing any of the coil-forming wire inserted through the coil and an electronic control circuit for automatically controlling the block. apparatus. 3. The engagement part is a recess formed on the outer surface of the winding rod moving means, and the engagement part is a plurality of front and rear moving rods fitted in the recess. The multi-coil winding device according to the item.