JPS63171140A - Attaching and detaching device for winding jig for split stator core - Google Patents

Abstract

PURPOSE:To improve workability in the attaching and detaching operations of a winding jig, by a method wherein the winding jig is attached to or pulled out of teeth by the approaching and separating motions of a pair of winding jig holders with respect to a set table. CONSTITUTION:A set table 11, to which a split stator core C is fixed, is provided with a pair of winding jig holders 17 at the left and right sides thereof while the winding jig holder 17 is provided with inserting and withdrawing grooves 19 so as to be opposed to the teeth C2 of the split stator core C. Further, an attaching and detaching plate 20 is supported by the winding jig holder 17. The pair of winding jig holders 17 attaches left and right split type winding jigs M1, M2, held by the inserting and withdrawing grooves 10 thereof, to the split stator cores C by the approaching motion thereof with respect to the set table 11 from the left and right sides of the same respectively. The detaching plates 20 withdraw the winding jigs M1, M2 out of the teeth C2 by the separating motion of the pair of winding jig holders 17 from the set table 11 and hold them in the inserting and withdrawing grooves 19 of the wind ing jigs.

Description

Detailed Description of the Invention [Technical Field] The present invention relates to a winding jig for winding a coil around an annular stator core @ divided into two semicircular arc-shaped divided stator cores. It relates to a device for attaching and detaching.

"Prior Art and Its Problems" In recent years, there has been a strong demand for electric motors to be smaller and lighter as well as thinner. Therefore, as a whole that constitutes the main part of the electric motor, the ring #j
A stator core having an S shape is divided into two to form a roughly semicircular arc-shaped divided fixed core, and toroidal windings are arranged perpendicularly to the winding portion (periphery) of each slot of this divided fixed core. The electric motor is attracting attention as it has been made possible to reduce the thickness of the electric motor by applying this technology, as well as to save materials and increase efficiency.

Japanese Patent Laid-Open No. 60-245453 proposes a device M for winding toroidal wires on such a divided fixed core. This device rotates the split stator core around the center to align the winding line of the flyer with a predetermined slot, and also swings the split stator core around the entrance of the slot. It is designed for winding, and has the advantage that the wire can be evenly wound around the yoke part of the slot.

However, in this conventional technology, when the split stator core is oscillated around the entrance of the slot, the wires tend to get caught on or come into contact with the teeth on both sides of the slot, resulting in poor winding and damage to the wires. Insulation breakdown due to damage was likely to occur.

Focusing on these problems, the applicant has already developed a split fixing device that prevents the electric wires from getting caught on or coming into contact with the teeth on both sides of the slot when winding the wires around the split stator core. We proposed a winding jig and method for winding a child core (Japanese Patent Application No. 196371/1982). This wire winding jig is removably attached to the teeth, and has a smooth curved surface that protrudes toward the center of the semi-annular split stator core, and the wire is inserted into the slot along this curved surface. Since the electric wire is introduced into the slot, it is possible to prevent accidents such as wire breakage when introducing the electric wire into the slot.

``Object of the Invention'' The object of the present invention is to provide a device for attaching and detaching a winding jig, which allows the above-mentioned winding jig to be attached and detached mechanically instead of manually by an operator. The purpose is to dramatically improve the workability of attaching and detaching jigs.

"Structure of the Invention" The present invention is based on the idea of dividing the winding jig into left and right halves and attaching and detaching the jig from both the left and right sides of the teeth, and mechanically attaching and detaching the jig. A pair of left and right winding jig holders are provided on the left and right sides of a set table on which the split stator core is mounted and fixed, and are movable forward and backward while restricting rotation in the axial direction of the core. The tool holder is provided with insertion/removal grooves for the winding jig divided into left and right halves corresponding to the multiple teeth of the split stator core, and the winding jig holder is provided with insertion/removal grooves for the winding jig in the insertion/removal grooves. A pair of winding jig holders are supported by a detachable plate that can be rotated between an engaging position and a non-engaging position with a set table (
(Thus, the left and right split type winding jig held in the insertion/removal groove is attached to the teeth of the split stator core from the left and right respectively, and the attachment/detachment plate is placed in the interference position with respect to the winding jig.) By separating the pair of winding jig holders relative to the set table in the rotating state, the winding jig is pulled out from the teeth and held in the insertion/removal groove.

"Embodiments of the Invention" The present invention will be described below with reference to illustrated embodiments. First of all, FIGS. 6 and 7 show the divided stator core C which is the object of the present invention.
and a two-part winding jig (guide cap,
Examples of shapes of M1 and M2 (hereinafter simply referred to as winding jigs) are shown. The split stator core C has a substantially semi-annular shape obtained by cutting a generally annular stator core along its diameter.
Teeth C2 directed toward the center are formed at predetermined intervals from the winding portion C1 on the periphery. The winding C3 for the winding portion C1 drives the flyer and the split stator core C in a predetermined relationship by inserting the wire C5 held by the flyer through the slot C4 formed between the adjacent teeth C2. This is done by

The winding jigs Ml and M2 are used by being attached to the inner end of the teeth C2 so that the wire C5 does not rub the teeth C2M during this winding. An enlarged diameter portion C6 for mounting the winding jigs Ml and M2 is formed at the inner end, and an engaging dovetail groove that engages with the enlarged diameter portion C6 is formed on the winding jigs M1 and M2. M3 is formed respectively.The engaging dovetail grooves M3 are open on the opposing sides and closed on the opposite side.The pair of winding jigs M1 and M2 are provided with an attachment/detachment groove on one side. One M4 is fixed, and a layer hole M5 into which the detachable pin M4 is inserted is bored.Winding jig M1.1VI2
When the attachment/detachment pin M4 is fitted into the attachment/detachment hole M5, the outer periphery of both ends thereof forms a smooth curved surface as a whole to prevent the wire rod C5 from being caught on the wire rod C5 or the teeth C2. M6
is an air vent hole of the attachment/detachment hole M5. Also, this winding jig M
An engagement groove M7 for detachment is formed in L M2 on the opposite side of the engagement dovetail groove M3.

The device of the present invention is for mechanically attaching and detaching the winding jigs M1 and M2 to and from the teeth C2 of the split stator core C, and FIGS. 1 to 5 show examples thereof. Fixed machine frame 1
0 is provided with a set table 11 on which the split stator core C is placed and fixed approximately at its center. This setting table 11 has a setting groove 12 for positioning the divided plane part C7 of the divided stator core C, and the divided stator core C fitted in this setting groove 12 is prevented from lifting up by the holding piece 13 on the upper part. He was arrested and kept in a fixed state. The presser piece 13 is connected to the guide bar 14 and the air shilling device 1.
5, it is supported by the fixed machine frame 10 so as to be vertically movable (see FIG. 1).

A pair of guide rods 16 extending below and to the left and right of the set table 11 are fixed to the fixing machine frame 10, and a pair of winding jig holders 17 are slidably held on the guide rods 16. A groove plate 18 is fixed to the opposing end surfaces of the pair of winding jig holders 17, respectively, and this groove plate 18ζ has an insertion/removal groove 1 for holding the winding jig M7, M2.
9 is formed. The insertion/removal groove 19 is for the set table 1
They are provided in correspondence with the position and number of teeth C2 of the split stator core C to be placed and fixed on the stator core C1, and the ends of the winding jigs M1 and M2 can be inserted therein, respectively.

The pair of winding jig holders 17 have a set table 1] (
The removable plates 20 are rotatably supported, with the center of the placed split stator core C and the center of rotation coinciding with each other. The removable plate 2Q is located inside the groove plate 18, that is, on the opposite side of the winding jig holder 17, and the drive shaft 21 is rotatably inserted into the winding jig holder 17.
are integrated into. As shown in the front view in FIG. 4, this attachable/detachable plate 20 has a wavy peripheral edge, and can be engaged with and detached from the peaks 20a of the attaching/detachable engagement grooves M7 of the winding jigs M1, M2. In other words, the mountain portions 20a are provided at the same pitch as the arrangement pitch of the teeth C2, and the mountain portions 20a are provided at the same pitch as the arrangement pitch of the teeth C2.
When the winding jig 0a is located between the overlapping winding jigs M1 and M2 held in the winding jig holder 17 (solid line in Fig. 4),
The winding jigs M1 and M2 can be freely inserted into and removed from the insertion/removal groove 19. On the other hand, when the ridges 20a are engaged with the insertion/removal engagement grooves M7 of the winding jigs Ml, M2 (dashed line in the figure), the winding jigs Ml, M2 can escape from the insertion/removal grooves 19. Yes, I can.
It always moves together with the winding jig holder]7.

Drive plates 24 are suspended and fixed to the respective ends of the left and right drive shafts 21 . This drive plate 24 prevents relative movement in the axial direction between the winding jig holder 17 and the detachable plate 20, and applies a contact/separation force to the left and right winding jig boulders 17 to the detachable plate 20. provides rotational force. These left and right drive plates 24
The lower end of the connecting bar 25 is slidably inserted into the connecting bracket 2 of the air cylinder mounting 26 for the detachable plate.
7 through the interlocking hole 28. Therefore, the suction and discharge control of compressed air to and from the detachable plate air cylinder device @ 26 causes the connecting bar 25 to swing, and as a result, the drive shaft 21, that is, the detachable plate 2o is moved to the winding jig holder via the drive plate 24. 17. The winding jig holder 17 is guided by a pair of guide rods 16, so it does not rotate. Ml and M2 are set to move between the engagement position with the detachable engagement groove M7 and the non-engagement position H. 30 is the rotation angle, especially the peak portion 2.
This is a stopper for setting M% to 0a or so that it does not engage with the detachable engagement groove M7 (see Fig. 1).

An air sillage device 31 for desorption is fixed between the left and right drive plates 24 (see FIG. 2).

That is, the piston rod 32 and cylinder 33 of the air cylinder device 31 for detachment and removal are connected to the left and right drive plates 24, respectively.
The left and right winding jig holders 17 move toward and away from each other by controlling the supply and discharge of compressed air to and from the sill 33.

The approaching end is regulated by a pair of stopper plates 34 fixed to the connecting bar 25, and the remote end is regulated by the fixing machine frame 10.
A pair of stopper ports 35 fixed to . The positions of the stopper plate 34 and the stopper port 35 are adjustable.

Before starting the operation, this device having the above-mentioned configuration inserts the winding jig M1 into each insertion/removal groove 19 of the pair of left and right groove plates 18.
, M2 are inserted. It is also assumed that the left and right winding jig holders 17 are spaced apart by M. In this state, first, the split stator core C is inserted into the setting groove 12 of the setting table 11.
is positioned, and the presser piece 13 is pressed and fixed against the head of the split stator core C by the air sealing device 15.

Next, when compressed air is supplied to the desorption air cylinder device 31 so as to bring the left and right drive plates 24 closer together, the winding jigs M1 and M2 held in the insertion/removal groove 19 are moved into the engaging dovetail groove M3u. Then, it is inserted into each tooth C2 of the split stator core C. And left and right drive plates 2
Winding jig holder 1 with 4 in contact with stopper plate 34
7, the attachment/detachment pin M4 is fitted into the attachment/detachment hole M5 as shown in FIG. 5, and the outer periphery of the inner end of the tooth C2 is completely covered by the winding jigs M1 and M2.

In this way, the winding jig can be fitted onto the split stator core C.

By the time the winding jig holder 17 reaches the closest position H as described above, the connection bracket 27 is advanced by the detachable plate air sealing device 26 and comes into contact with the stopper 30. Then, the attachment/detachment plate 20 is connected via the connection bar 25 that engages with the connection bracket 27 through the interlocking hole 28, the drive plate 24 inserted through the connection bar 25, and the drive shaft 21 that rotates together with the drive plate 24. It rotates with respect to the winding jig holder 17, and the peak part 2 of the detachable plate 20
0a is located between the winding jigs M1 and M2. That is, the peak portion 20a rotates to a position where it does not interfere with the winding jigs M1 and M2. Therefore, in this state, is the air cylinder installed for removal? When compressed air is supplied to 1a31 in a direction that moves away from the drive plate 24, the winding jig holder 17 does not have the force to hold the winding jigs M1 and M2, so the winding jig M
1. The winding jig holder 17 and the detachable plate 20 are separated from the split stator core C while M2 remains on the teeth C2 of the split stator core C. That is, the winding jigs M1, M
Split stator core C with 2 set or set table 1
1 will be left on top.

The divided stator core C, on which the winding jigs M1 and M2 are attached as described above, is unfixed by raising the holding piece 13, and then set in a flyer and winding is performed. Isn't the present invention concerned with this winding method and device?Next, with reference to FIGS. An example of the device will be explained.

As shown in FIGS. 8, 9, and 10, this winding device connects a first turntable 133 and a second turntable via a support shaft 132 erected on a base 131. A table 134 is provided. second turntable 1
A holder 135 is erected on 34, and the holder 135
The split stator core C is detachably held with its arcuate surface horizontal. A fryer 139 is installed in the lateral direction of the holder 135 via a rotating shaft 138 supported by a frame 136. The rotating shaft 138 is rotationally driven by a motor (not shown). Further, the rotating shaft 138 is movable in the axial direction, and the flyer 139 is movable during winding.
is pushed out to a predetermined position.

As shown in FIGS. 11 and 12, the second turntable 134 is rotated about a point P at the center of the split stator core C held by a holder 135 by a drive mechanism (not shown). This allows each slot C4 of the split stator core C to be sequentially aligned with the flyer 1390 winding liner ρ. On the other hand, the first turntable 133 is driven by a drive mechanism (not shown).
It is configured to swing at a predetermined angle about the Q% axis at a point inside the entrance of the slot C4 where the winding of the split stator core C is performed. In this case, as the turntable 133 swings, the turntable 134 and the holder 135 also swing.

Winding using the above device is performed as follows.

Then, using the device of the present invention, the winding jig M is attached to the teeth C2.
The split stator core C to which M2 and M2 are attached is attached to the holder 135. When the device is operated in this state, the second turntable 134 rotates around the point Pi axis, and the flyer 139 is inserted into a predetermined slot C4 of the split stator core C.
The winding lines p of are aligned. Once the alignment is completed, the rotation of the turntable 134 is stopped until the winding to be completed in the slot C4 is completed.

Next, the first turntable 133 begins to swing at a predetermined angle (angle θ in this embodiment) about a point Q inside the entrance of the slot C4. Therefore, together with the first turntable 133, the second turntable 134,
The holder 135 and the split stator core C also swing. At the same time, a motor (not shown) operates, and the rotating shaft 138
Through this, the flyer 139 begins to rotate, and the winding work begins.

Since the split stator core C is swinging, the wire rods C5 are arranged in a line on the yoke section at the bottom of the slot C4, and are roughly layered on top of the yoke in a line. In this way, the wire C5 is wound uniformly, forming a coil with good shape and performance. In this device, since the axis of oscillation is provided at the point Q inside the entrance of the slot C4, the oscillation angle θ can be set large, making it easier to wind the wire C5 more uniformly.

In addition, by setting the axis of swing to point Q inside the entrance of slot C4, wire rod C5 is placed at the entrance of slot C4.
As described above, since the winding jigs M1 and M2 are attached to the teeth C2, poor winding and damage to the wire C5 are prevented.

In this way, when the winding in the predetermined slot C4 is completed, the rotation of the flyer 139 is stopped, and at the same time, the rotation of the flyer 139 is stopped.
The swinging of the first turntable 133 on the % axis also stops. Then, the second turntable 134 is rotated again to align the adjacent slots C4 of the split stator core C with the winding line ρ of the flyer 139, and the same winding operation as above is repeated again.

The divided stator core C whose winding has been completed is placed and fixed on the setting table 11 again. When the pair of winding jig holders 17 are brought close to the split stator core C after winding again using the air cylinder device 31 for desorption, the winding fitted into the teeth C2 of the split stator core C is detected. Jig M1, M2
fits into the insertion/removal groove 19 of the groove plate 18. Then, when the pair of winding jig holders 17 are in the closest position, the connection bracket 2 is
7 is moved backward, the detachable plate 20 rotates with respect to the winding jig holder 17 via the connecting bar 25, the drive plate 24, and the drive shaft 21, and the peak portion 20a of the plate 20 rotates with respect to the winding jig holder 17.
1, M2 is rotated to the engagement position with the detachable engagement groove M7. In other words, the winding jigs Ml and M2 cannot be removed from the insertion/removal groove 19. Therefore, after this, when the drive plate 24, that is, the winding jig holder 17 is separated by the air cylinder device 31 for desorption, the winding jigs Ml and M2 held by the winding jig holder 17 are separated by the peaks 20a. It will be pulled out from the teeth C2 of the split stator core C.

Therefore, by repeating the above operations, the winding jigs M1 and M2 can be mechanically attached to and detached from the split stator core C.

The split stator core C and the winding jig Ml of the above embodiments,
The shape of M2 is an example, and the present invention has a certain degree of freedom regarding these shapes. These changes in shape can be handled mainly by changing the shape of the insertion/removal groove 19 of the groove plate 18 and the shape of the peak portion 20a of the removable plate 20.

"Effects of the Invention" As described above, according to the device of the present invention, the winding jig can be mechanically attached to and detached from the split stator core. Therefore, the efficiency of this type of work, which has conventionally been done manually, can be greatly improved, and the work time can be shortened and the winding work can be made more efficient, thereby contributing to cost reduction.

[Brief explanation of the drawing]

Figures 1 to 5 show examples of the winding jig for the split stator core of the present invention. Figure 3 is a plan view, Figure 4 is a front view of the main parts showing the relationship between the groove plate of the winding jig holder, the insertion/removal groove, and the winding jig, and Figure 5 is the same stator. FIG. 2 is a sectional view of a main part showing how a winding jig is attached to an iron core. FIG. 6 and FIG. 7 are a perspective view and a sectional view showing an example of the shape of a split stator core and a two-part winding jig, both of which are objects of the present invention. FIG. 8 is a front view showing an example of a device for winding a split stator core equipped with a winding jig according to the present invention, FIG. 9 is a left side view of the same, FIG. 10 is a plan sectional view of the same, and FIG. FIG. 11 is an enlarged plan view of the main part, and FIG. 12 is a plan view showing the winding mode. C... Split stator core, C1... Winding section, C2...
・Teeth, Ml, M2...Two-part winding jig, 10・
...Fixed machine frame, 11...Set table, 12...
Set groove, 13... Holding piece, 16... Guide bar, 17... Winding jig holder, 18... Groove plate, 19... Insertion/removal groove, 2o... Detachment plate, 20a
... Mountain part, 21 ... Drive shaft, 24 ... Drive plate, 25 ... Connection bar, 26 ... Air cylinder device for @ theory overrate, 31 ... Air cylinder device for attachment and detachment, 30 .34.35...stopper. Patent Applicant Sanni Kiki Co., Ltd. Agent Patent Attorney Shigedo Matsui Patent Attorney Kunio Miura Patent Attorney Yoshimi Sasayama Figure 4 M1 open fi M7 M4 M7 Figure 5 Figure 8

Claims (1)

[Claims] (1) A split stator core having a peripheral winding portion and a plurality of teeth extending radially from the winding portion, and having a generally semi-annular shape as a whole, a winding is attached to the inner end of the teeth. A device for attaching and detaching a winding jig to prevent catching, comprising a set table on which the split stator core is placed and fixed; rotation of the split fixed core placed on the set table in the axial direction is restrained from rotating to the left or right. A pair of left and right winding jig holders that can be moved forward and backward in the state of a removable plate supported by the winding jig holder and rotatable between an engagement position and a non-engagement position with the winding jig in the insertion and removal groove; The pair of winding jig holders attach the winding jigs held in their insertion/removal grooves to the teeth of the split stator core from the left and right sides by approaching the set table, and the attachment/detachment plate A split stator characterized in that the winding jig is pulled out from the teeth and held in the insertion/removal groove by separating the winding jig holder from the set table when the winding jig holder is rotated to an interference position with the jig. A device for attaching and detaching the winding jig to the iron core.