JPH08317610A - Winding apparatus for electric winding - Google Patents

Abstract

PURPOSE: To provide the winding apparatus for an electric winding, which can continuously wind the first layer and the second layer of the electric winding wound in the reverse directions without connections. CONSTITUTION: The main constitution of the winding apparatus of an electric winding is constituted of a step-down device 11, a positioning device 10, a coil former 14, a compressing roller 15, holding jigs 4a and 4b having the unitary structure with a plurality of temporary winding drums 7a and 7b, holding-jig opening and closing devices 5a and 5b, a cutting device 17, a moving base 16 and a stage 18 for moving the temporary winding drums in the directions of the X and Y axes and a conductor bobbin 19 for supplying conductors required in winding.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric winding device, for example, a main pole coil, a supplemental pole coil of a DC motor, a magnetic levitation rail guide coil, an elevator guide coil, or the like. The present invention relates to a winding device for an electric winding suitable for being continuously wound in two layers in forward and reverse directions.

[0002]

2. Description of the Related Art FIG. 2 shows a state where a conventional electric winding 1 has been wound a predetermined number of times for one layer, and FIG. 3 shows two electric windings wound for one layer. A state in which the first to second layers are formed by stacking the winding directions in reverse, and the inner side winding start portion 1a of the conductor portion is superposed on the conductor piece 2 and connected by caulking to complete a two-layer structure electric winding. Indicates.

FIG. 4 shows details of a state in which the conductor portion of the winding start 1a on the inner diameter side is electrically tied and connected.

[0004]

SUMMARY OF THE INVENTION In the above-mentioned prior art, since two electric windings are combined to form one unit,
Each of the winding start conductors on the inner diameter side of the electric winding must be overlapped with the conductor piece and connected together, and accompanying the connection work,
It is necessary to wrap a protective material for preventing heat damage around the insulating part of the electric winding in advance, and after that, remove traps, smooth finish, and insulate.

The present invention has been made in view of the above points,
The purpose is to, when the first and second layers of the electric winding are respectively wound in opposite directions, superpose the conductors on the inner diameter side of the electric winding with the conductor piece as in the conventional case. An object of the present invention is to provide a winding device for an electric winding, which does not require any complicated work in advance or in advance without connection.

[0006]

In order to achieve the above-mentioned object, a winding device for an electric winding according to the present invention is a first-layer or second-layer intermediate conductor portion located at the inner diameter side winding start of the electric winding. And a winding device capable of performing a predetermined number of windings in opposite directions on the first layer and the second layer around the conductor intermediate portion described above. , A pressure roller that can follow the winding of the first or second layer of the electric winding and pressurize the conductor in the vicinity of the winding form, and is located at the start of winding on the inner diameter side of the electric winding. It is characterized in that the intermediate conductor portions of the first layer to the second layer can be continuously wound in the respective opposite directions by a predetermined number in a non-connected state.

[0007]

According to the present invention, when the first layer and the second layer are wound in the opposite directions in order to eliminate the eddy current loss flowing in the electric winding, the winding start on the inner diameter side of the electric winding is mechanically performed. By continuously winding in the unconnected state, it is possible to eliminate the conventional caulking connection.

[0008]

The present invention will be described below based on the illustrated embodiments. FIG. 1 shows an overall view of the winding device. The main components are shown in FIG. 1, a device 11 and a positioning device 10, a winding die 14 and a pressure roller 15, a temporary winding drum 7a, 7b having an integral structure, and a holding jig. 4a, 4b, and clamping jig opening / closing devices 5a, 5b,
The cutting device 17 and the temporary winding drums 7a and 7b are connected to the X and Y axes.
It is composed of a transfer base 16 for transferring in the axial direction, a pedestal 18, and a conductor bobbin 19 for supplying a conductor required for winding an electric winding.

Next, FIGS. 5 to 13 show an embodiment of the present invention.

5 to 6 show a state in which the electric winding is temporarily wound by the temporary winding drum 7a.

That is, the conductor end 3a is inserted into the lower groove of the holding jig 4a, and the holding jig opening / closing device 5a moves in the direction of arrow A and reciprocates in the direction of arrow B, thereby holding the holding jig 4a.
Turns in the direction of the arrow C and the conductor end 3a is clamped.

Next, the temporary winding drum 7a is sequentially moved by the drive unit 8 in the direction of the arrow D and is sequentially transferred by the drive unit 9 in the direction of the arrow E in synchronization with the conductor 3 positioned by the guide roller 6. The pieces are sequentially attracted in the direction of the arrow F, and temporary winding is performed in the normal row.

The temporary winding is in the length direction of the conductor 3, and is located at a position corresponding to a predetermined length of the first layer of the electric winding, that is, the intermediate winding start portion of the first layer and the second layer is in the upper part near the device 11. Stopped at the position, the positioning device 10 moves in the direction of the arrow G to guide the conductor 3 and guide it to the device 11, one of which is the guide roller 1
The conductor 3 is laid down, supported by 3.

The paragraphing device 11 is parallel to the width direction of the conductor 3 and has a convex shape or a concave shape. The driving device 12 transfers the convex shape in the direction of the arrow I and reciprocates it in the direction of the arrow J so that the conductor 3 is moved. Paragraphing is performed to form the paragraph 3b of the conductor 3 shown in FIG.

Next, as shown in FIG. 8, the conductor 3 is provided at a portion located in the middle of one side of the winding die 14 having a quadrilateral shape.
6, the temporary winding drum 7a is further rotated in the direction of the arrow D by the driving device 8 after the formation of the paragraph 3b as a means for positioning the paragraph 3b. After winding, the paragraph part 3b shown in FIG.
After the temporary winding drum 7a shown in FIG. 6 is positioned at a predetermined position in the vicinity thereof, the rotation of the temporary winding drum 7a is stopped.

As described above, the conductor for the predetermined length of the first layer of the electric winding is temporarily wound.

Next, the structure of the winding die 14 shown in FIG. 8 will be described in detail.

The winding form 14 has a quadrilateral winding jig 14a divided into four parts, and a taper in the lengthwise direction at the central position of the winding jig 14a for expanding and contracting the winding jig 14a to the outside or inside of the four sides. A transfer device 14b, and two guide pins 14c
Is provided on the same line on all four sides of the winding jig 14a,
The winding form 14 has a winding jig 14a, a transfer device 14b, and a guide pin 14c integrally formed on a winding form base 14d, and has a structure capable of normal rotation and reverse rotation.

FIG. 9 shows a diagram in which the temporary winding drum 7a, on which the conductor 3 is temporarily wound, is transferred in the direction of the arrow N by the transfer base 16 and is connected to the winding die 14, and is also described above. As described above, the paragraph 3b of the conductor 3 shown in FIG. 8 is positioned in parallel with the middle part of one side of the winding form 14 to position the transfer device 14b.
It is moved in the direction of the arrow and the winding jig 14a divided into four parts is moved in the direction of the M1 arrow 4 on the four sides to secure a predetermined dimension on the four sides on the inner side of the electric winding.

Further, the guide pin 14c is moved in the direction of the arrow K, and is connected to the winding form 14 and the temporary winding drum 7a shown in FIG.

After the paragraph 3b of the conductor 3 formed as described above is positioned at a predetermined position of the winding form 14 and the winding form 14 and the temporary winding drum 7a are joined together, FIG.
As shown in FIG. 4, the winding form 14 and the temporary winding drum 7a are integrally rotated in the P arrow direction, and in synchronization with the rotation, the pressure roller 15 presses the conductor 3 in the Q arrow direction and the R arrow direction. Rotate in the direction.

In this way, the conductor 3 is wound around the winding form 14 a predetermined number of times, and at the same time, is transferred in the direction of the arrow S, and as shown in FIG. This means that the second layer of the electric winding 1 has been formed.

Next, the second layer of the electric winding 1 is formed, and the conductor 3 at the end of the winding is cut by the cutting device 17 provided near the winding die 14.

That is, the cutting device 17 is composed of an upper blade 17a, a lower blade 17a, and a transfer device 17c. The cutting device 17 is transferred in the T arrow direction by the transfer device 17c.
The conductor 3 is sandwiched between the upper blade 17a and the fixed lower blade 17b by being transferred in the direction of the arrow V and reciprocating in the direction of the arrow W to be cut.

When the cutting of the conductor 3 is completed, the transfer device 17c transfers the cutting device 17 in the direction of the arrow U and returns.

At the same time, the guide pin 14c integral with the winding form 14 is transferred in the direction of the arrow AA to release the connection between the winding form 14 and the temporary winding drum 7a, and then the temporary winding drum 7a is moved by the transfer base 16 to Z. Transferred in the direction of the arrow.

FIG. 11 shows an intermediate cross-sectional shape of the corner 16a of the transfer base shown in FIG. 10. The corner 16a has a built-in holding device 16c. The temporary winding drum 7a is held, and at the time of transfer, it is moved in the direction of the arrow BB to release the holding of the temporary winding drum 7a.

Next, in FIG. 12, after the second layer of the electric winding 1 is wound and formed as described above, the conductor end portion at the end of winding is cut, while the temporary winding drum 7a is moved by the transfer base 16. DD
It is transferred to the corner 16b in the arrow direction, and the temporary winding drum 7b is further moved by the transfer base 16 in the EE arrow direction to the corner 1b.
6A, the winding form 14 is rotated in the FF arrow direction in the opposite direction of the second layer winding of the electric winding 1, and the pressure roller 15 is rotated in the GG arrow direction, the electric winding 1 direction. The electric wire 1 is transferred onto the conductor portion located in the second layer, further transferred in the HH arrow direction and pressed while rotating the conductor portion in the MM arrow direction in synchronization with the winding form 14, and the first layer of the electric winding 1 is moved. The temporary winding drum 7a that has been temporarily wound is sequentially transported in the JJ arrow direction in synchronism with the rotation of the winding form 14, and is rotated in the II arrow direction. As described above, the first-layer conductor 3 of the temporarily wound electric winding 1 is sequentially wound and laminated.

At the end of the first winding of the electric winding 1,
At least one conductor 3 is temporarily wound around the temporary winding drum 7a.
At the time when the circumference remains, the holding jig opening / closing device 5b is moved in the direction of the KK arrow, and the holding jig 4a is moved in the direction of the NN by reciprocating in the direction of the LL arrow, and the conductor end portion 3a at the beginning of temporary winding is moved. Release the pinch from.

During the first winding of the electric winding 1, on the one hand, the temporary winding is performed by using the temporary winding drum 7b as described above with reference to FIGS. Can be done at the same time. FIG. 13 is a sectional view of the electric winding 1 according to the present invention in which the first and second layers of the inner diameter side winding start conductor section 3b is arranged, and the electric winding 1 is completed by continuous winding without connection. Is shown.

[0031]

As described above, according to the present invention, it is possible to continuously wind the electric windings in the opposite directions without connecting the winding start conductor portions on the inner diameter side of the first and second layers, respectively. In addition, the first layer of the electric winding can be wrapped during winding to temporarily wind the next layer of the electric winding, and the winding device has no loss time and is highly efficient.

Further, it is not necessary to connect the first and second layers of the electric winding, which have been conventionally performed, to the winding start conductor portions of the inner winding side by caulking.
It is possible to completely eliminate the troublesome work of winding a protective material for preventing heat damage around the insulating portion in the vicinity of the connecting portion in advance and, after the fact, smoothing the sludge.

[Brief description of drawings]

FIG. 1 is a perspective view showing a winding device for an electric winding of the present invention.

FIG. 2 is a perspective view showing a conventionally wound single-layer electric winding.

FIG. 3 is a perspective view showing a state in which conventionally wound one-layer electric windings are combined and connected for two layers.

FIG. 4 is a partial perspective view showing details of a connecting portion in FIG.

FIG. 5 is a perspective view showing a temporary winding drum adopted in the present invention.

FIG. 6 is a perspective view showing a device for temporary winding and setting in the present invention.

FIG. 7 is a perspective view showing a paragraph of an electric winding.

FIG. 8 is a perspective view showing a winding die adopted in the present invention.

FIG. 9 is a perspective view showing a combined state of the temporary winding drum and the winding die in the device of the present invention.

FIG. 10 shows the first layer and the second layer of the electric winding in the device of the present invention.
It is a perspective view which shows the continuous winding state by the non-connection of the layer.

FIG. 11 is a cross-sectional view showing a positioning state of the temporary winding drum.

FIG. 12 is a perspective view showing the simultaneous operation of the continuous winding state of the electric winding and the temporary winding state for forming the next electric winding in the device of the present invention.

FIG. 13 is a perspective view showing an electric winding wound by the device of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Electric winding, 1a ... Electric winding inner diameter side winding start, 2 ... Conductor piece, 3 ... Conductor, 3a ... Conductor end part, 3b ... Paragraph part, 4
a, 4b ... clamping jig, 5a, 5b ... clamping jig opening / closing device,
6, 13 ... Guide rollers, 7a, 7b ... Temporary winding drum,
8, 9, 12 ... Driving device, 10 ... Positioning device, 11 ...
Paragraphing device, 14 ... Winding mold, 14a ... Winding jig, 14b ... Transfer device, 14c ... Guide pin, 15 ... Pressure roller, 16 ...
Transfer base, 16a, 16b ... Corner, 17 ... Cutting device, 17a ... Upper blade, 17b ... Lower blade, 18 ... Stand.

Claims (3)

[Claims] Claim: What is claimed is: 1. A paragraphing device for performing layer change molding by making a paragraph on a first-layer or second-layer intermediate conductor portion located at a winding start on the inner diameter side of an electric winding, and the paragraph intermediate conductor portion. A winding die capable of performing a predetermined number of turns in the opposite direction on the first layer and the second layer, respectively, and in the vicinity of the winding die, following the winding of the first layer to the second layer of the electric winding. And a pressure roller capable of pressing the conductor, and a predetermined number of continuous windings of the intermediate conductor portions of the first and second layers located at the inner diameter side winding start of the electric winding in opposite directions. A winding device for an electric winding, which is capable of winding. 2. A temporary winding which holds an end portion of a conductor length direction supplied for performing temporary winding of the electric winding and can perform a predetermined number of temporary windings continuously in the conductor length direction. 2. The winding device for an electric winding according to claim 1, further comprising a drum, wherein the temporary winding drum is provided with a mechanism that is coupled to the winding form and is capable of rotating forward and backward integrally. 3. The winding form is divided into a plurality of parts, and a winding form transfer device having a slope is provided at a central portion on the inner side of the four sides, and the winding form transfer device is provided with a mechanism capable of advancing and retreating in a linear direction of the slope. The winding die is expanded and contracted inward and outward in four directions so that it can be separated from the winding die after the winding of the first layer or the second layer of the electric winding is completed, and further the two sides of the winding die divided into a plurality of parts. A plurality of guide rods are arranged on the same line in the middle of the direction, and the guide rods are provided with a mechanism capable of advancing or retracting in the longitudinal direction,
The winding device for the electric winding according to claim 1 or 2, further comprising an auxiliary mechanism capable of rotating in the forward direction and the reverse direction integrally by being coupled to and supported by the temporary winding drum.