JPH10234161A - Common wire processing equipment for nozzle series winding machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automate common wire splicing for the improvement of stability. SOLUTION: Winding start lines of wires 2A, 2B, 2C fed from three nozzles 6A, 6B, 6C through a spindle shaft 5, are held by phase A, phase B and phase C grippers 20A, 20B, 20C, respectively. A common wire processing equipment 13, which is guided by an annular guiding member 7 with the spindle shaft 5 in the center and is thereby turned, is provided with three strings of common wire grippers 12a, capable of holding the wires 2A, 2B, 2C, respectively. The common wire grippers 12a are raised up. After the wire 2A has been held, the common wire grippers 12a are moved down, and the phase A gripper 20A is released. The common wire processing equipment 13 is turned around the spindle shaft 5, and sequentially holds the wires 2B, 2C, while being turned repeatedly. After the three wires 2A, 2B, 2C have been thereby held by a common wire holding section 1d, wire winding is started.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a common wire processing for a nozzle series winding machine which forms a field coil by directly winding a wire supplied from a nozzle to inner teeth of a stator core of a rotating electric machine such as a motor. Related to the device.

[0002]

2. Description of the Related Art Generally, a star connection is used for most three-phase motors. In this case, it is necessary to connect together any one of the common lines of the winding start line and the winding end line of the three simultaneously wound coils. 2. Description of the Related Art Conventionally, a nozzle series winding machine equipped with a wire processing mechanism is known. Was to be deposited.

[0003]

However, such a conventional wire processing device of a nozzle series winding machine has a function of depositing a wire in a groove or a terminal in the vicinity of the nozzle. Connection must be performed manually or by a special line processing robot, etc.
There is a problem that productivity and common line connection quality are reduced. The present invention has been made in view of the above points, and an object of the present invention is to provide a common line processing device of a nozzle series winding machine that can automatically connect a common line continuously with a winding. .

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention reciprocates a spindle shaft provided with a nozzle for supplying a plurality of wires in the axial direction, and rotates the spindle shaft at both ends thereof around the axis. A common line processing device of a nozzle series winding machine that supplies a wire from the nozzle and simultaneously winds a plurality of internal teeth of a stator core by oscillating the nozzle. A gripper device capable of holding the winding start wire of the wire held at the position of each other at a position close to each other, and turning means for turning the gripper device around the spindle shaft, wherein the gripper device sets the winding start wire to A nozzle that can hold a plurality of wires at a predetermined position on the stator core by turning while gripping sequentially There is provided a common line processing apparatus for a direct winding winding machine.

[0005] In the common line processing apparatus of the above-mentioned nozzle series winding machine, the turning means is provided with an annular fixed guide member centered on the spindle shaft, and a gripper device guided by the guide member. It is preferable that the guide member has a tooth portion formed on an outer peripheral portion thereof, and the movable member has a rotating shaft provided with a pinion meshing with the tooth portion of the guide member. It is even better to have a motor.

[0006]

Embodiments of the present invention will be specifically described below with reference to the drawings. FIG. 1 is a plan view showing one embodiment of the present invention, and FIG. 2 is an enlarged side view seen from the X direction shown in FIG.

The stator core 1 to be wound is shown in FIG.
Has a plurality of internal teeth 1a on an inner peripheral portion, and a plurality of guide pins 1b and a line holding portion 1c formed on the lower surface, respectively. A common line holding unit 1d having three slits is provided.

As shown in FIG. 2, a nozzle straight-wound winding machine (hereinafter referred to as a "winding machine") 3, which winds wires 2A, 2B, and 2C around each internal tooth 1a to form a coil, is a known crank mechanism. And a spindle shaft 5 that is driven by a drive unit 4 having a swinging mechanism and reciprocates in the axial direction, and swings at a predetermined angle at both ends thereof. On the upper side surface of the spindle shaft 5, three A-phase, B-phase, and C-phase nozzles 6A and 6 are arranged at intervals of 60 ° from the center.
B, 6C, and three A-phase, B-phase, and C-phase wires 2A, 2B, and 2C, through which the spindle shaft 5 is inserted vertically.
Supply.

A spindle shaft 5 surrounding the winding machine 3
An annular fixed guide member 7 having a center at the center (see FIG. 1)
Is provided, and a tooth portion 7a is formed on the outer peripheral portion. A table 9 is provided on the inner and outer cylindrical surfaces 7b, 7c of the guide member 7, which is a rotatable movable member guided via rollers 8,8. On this table 9, a gripper device 12 which can be moved up and down and forward and backward (left and right directions in FIG. 2) by cylinders 10 and 11 is mounted.
A common line processing device 13 is formed by forming three common line grippers 12a capable of holding and releasing A, 2B, and 2C (FIG. 1) at intervals of approximately 5 mm. In FIG. 2, 1
Reference numeral 4 denotes a guide pin for the wire 2 that can be moved up and down by the cylinder 15.

As shown in FIG. 1, a drive motor 16 is fixedly mounted on the table 9 and a pinion 17 is integrally provided on a rotating shaft thereof, and the pinion 17 is meshed with the tooth portion 7a of the guide member 7 to drive the motor. By rotating the motor 16 in the clockwise direction in FIG. 1, the table 9 turns clockwise about the spindle shaft 5 with the gripper device 12. Also, the A-phase gripper 20A, the B-phase gripper 20B, and the C-phase gripper 20 with a cutter corresponding to each of the nozzles 6A, 6B, and 6C at 60-degree intervals around the spindle shaft 5.
C is provided to hold the winding start wires 2A, 2B, 2C supplied from the nozzles 6A, 6B, 6C, respectively.

Next, the operation of the common line processing apparatus 13 having the above configuration will be described with reference to FIG. 1 and FIGS. Prior to the start of winding, the nozzles 6A, 6B, 6
The winding start wires of the wires 2A, 2B, 2C supplied from C are held by the A-phase gripper 20A, the B-phase gripper 20B, and the C-phase gripper 20C, respectively. After that, the pinion 17 is rotated by the drive motor 16 and moved to a position where the gripper device 12 of the common line processing device 13 can pick up the A-phase wire 2A to obtain the state shown in FIG.

Here, the gripper device 12 is raised to hold the A-phase wire 2A by the common wire gripper 12a, and the A-phase gripper 20A releases the wire 2A, and then the A-phase wire 2A is moved to the common wire gripper. While holding the gripper 12a, the gripper device 12 is lowered and moved clockwise to a position shown in FIG. 3 where the B-phase wire 2B can be picked up.

In this state, the gripper device 12 is raised to hold the B-phase wire 2B by the common line gripper 12a, and the holding of the wire 2B by the B-phase gripper 20B is released, so that the A-phase and B-phase wires 2A and 2B are released. While holding the gripper device 12, the gripper device 12 is lowered and moved again clockwise to a position shown in FIG. 4 where the C-phase wire 2C can be picked up.
Similarly, the C-phase wire 2C is connected to the common wire gripper 12a.
And release the holding by the C-phase gripper 20C.

In this manner, the common line gripper 12a
Then, the common line processing device 13 holding the winding start wires of the A-phase, B-phase, and C-phase wires 2A, 2B, and 2C is further turned to a position corresponding to the common line holding portion 1d shown in FIG.
After being advanced, the winding start wires of the wires 2A, 2B, 2C are deposited in the common wire holding portion 1d of the stator core 1 and then retracted, and the winding machine 3 is started to start winding. Three wires 2A, 2B, 2C held by the common wire holding portion 1d
Can be easily connected by driving a continuous terminal (not shown) into the common line holding portion 1d, but three common wires may be twisted and soldered without using the continuous terminal.

[0015]

As described above, the common wire processing device of the nozzle direct winding machine according to the present invention forms a common wire prior to actual winding by using a gripper device built in the winding machine. By holding each winding start wire of a plurality of wires and turning the gripper device so that they can be collectively held at a predetermined position of the stator core, it is only necessary to drive in a continuous terminal or to solder by twisting Thus, the common line can be easily connected.
This eliminates the need for a separate common line connection robot required in the past, and improves productivity and stability of the common line connection.

Further, in the above-mentioned device, if the turning means of the gripper device is constituted by an arc-shaped guide member centered on the spindle shaft and a movable member guided by the guide member and capable of turning, the extremely The gripper device can be turned with a simple configuration, and when the guide member and the rotating shaft of the drive motor provided on the movable member are gear-connected, the stop position of the movable member can be controlled with high precision.

[Brief description of the drawings]

FIG. 1 is a plan view showing an initial step of an embodiment of the present invention.

FIG. 2 is an enlarged side view as viewed from the direction indicated by an arrow X in FIG. 1;

FIG. 3 is a plan view similarly showing a second step.

FIG. 4 is a plan view similarly showing a third step.

FIG. 5 is a plan view similarly showing a fourth step.

[Explanation of symbols]

 1: Stator core 2A, 2B, 2C: Wire 3: Nozzle series winding winding machine 5: Spindle shaft 6A, 6B, 6C: Nozzle 7: Guide member 9: Table (movable member) 12: Gripper device 13: Common line processing device 16: Drive motor 17: Pinion 20A, 20B, 20C: A-phase, B-phase, C-phase gripper

Claims (3)

[Claims] 1. A spindle shaft provided with a nozzle for supplying a plurality of wires is reciprocated in the axial direction, and is swung around the axis at both ends thereof to supply wires from the nozzles. A common line processing device of a nozzle series winding machine that simultaneously winds a plurality of internal teeth of a stator core, wherein winding start wires of wires supplied from the nozzle and having respective tips held at predetermined positions are brought close to each other. By providing a gripper device that can be held at a position and a turning means for turning the gripper device around the spindle shaft, the gripper device turns while sequentially holding the winding start line,
A common wire processing device for a nozzle series winding machine, wherein a plurality of wires can be collectively held at predetermined positions of a stator core. 2. The swiveling means comprises an annular fixed guide member centering on a spindle shaft, and a movable member guided by the guide member and capable of rotating with a gripper device mounted thereon. Item 2. A common line processing device for a nozzle series winding winding machine according to item 1. 3. The guide member has teeth formed on an outer peripheral portion thereof, and the movable member has a drive motor provided with a pinion on a rotary shaft meshing with the teeth of the guide member. Common line processing equipment of Nozzle series winding machine.