JPH0619283Y2 - Housing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial field of application) The present invention is used for heat-welding a commutator piece provided on an armature shaft of a motor and an armature lead wire. It concerns a fusing machine.

(Prior Art) Conventionally, as a structure of an armature which is provided inside a motor and rotates about an armature shaft, there is a structure shown in FIG.

That is, the iron core 1 is rotatably provided inside the motor about the armature shaft 101 and is fixed to the armature shaft 101.
02 and the winding coil 103 wound around the armature shaft 101 via the iron core 102 form an armature core portion 104. The armature shaft 1 is provided near the armature core portion 104.
The commutator core 105 fixed to 01 is provided.
A plurality of commutator pieces 10 are arranged on the circumference of 05 at regular intervals.
6 is provided. The lead wire 103a, which is the end of the winding coil 103, and the connecting piece 106a of the commutator piece 106 are connected to form an armature 109 of the motor. When connecting the lead wire 103a and the connecting piece 106a of the commutator piece 106 at the connecting portion 107, a fusing machine 110 is generally used for heat welding.

FIG. 5 is a diagram illustrating a conventional fusing machine 110.

That is, in the figure, the fusing machine 110 is configured to include a carrier table 111 and an operation unit 112 above the carrier table 111.

Arrange the armature 109 shown in FIG. 4 on the carrier 111,
The armature 109 is sandwiched and fixed by the rotating body fixing block 113a of the lifter 113 and the rotating body fixing piece 114a of the indexing machine 114.

Then, bring the operation unit 112 close to the armature 109,
The main electrode 115 provided in the operation portion 112 is pressed against the connection portion 107 between the connecting piece 106a of the commutator piece 106 and the lead wire 103a shown in FIG. 4, and the auxiliary electrode 116 is energized from the main electrode 115. The connection portion 107
Connecting piece 106a between the lead wire 103a and the commutator piece 106
And are heat-welded and connected.

Further, by rotating the armature 109 by the rotating piece 114b of the indexing machine 114, a connecting piece of the commutator piece 106 provided at a constant interval on the circumference of the commutator core 105 shown in FIG. The connecting portion 107 between the 106a and the lead wire 103a is rotated to perform continuous heat welding.

(Problems to be Solved by the Invention) However, in the conventional fusing machine 110 as described above, work is performed under the conditions of constant current, constant cycle, and constant pressurization.
Since there is only one 5, the temperature of the main electrode 115 gradually rises, so it is difficult to keep this temperature constant, and because the temperature of the main electrode 115 is unstable, fusing quality However, there was a problem that it was bad, and the development of new technology was desired.

The purpose of this invention is to eliminate the problems with the conventional fusing machine as described above.
An object of the present invention is to provide a fusing machine capable of improving the fusing quality and extending the life of the electrode.

[Configuration of Device] (Means for Solving Problems) A fusing machine according to the present invention is a fusing machine for welding a lead wire of an armature of a motor and a commutator piece of the armature, The electrode pressed against the connecting piece of the commutator piece, the electrode holder to which a plurality of electrodes are fixed at a predetermined distance, and the electrode holder are supported, and the electrode holder can be moved vertically. An operating portion, an auxiliary electrode that is supported by the operating portion, is vertically moved together with the electrode holder by the operating portion, and forms an electrode and a circuit by contacting the commutator piece, and a rotating piece that contacts the armature. Equipped with
A fusing machine including an indexing machine for rotating an armature by a rotating piece by an interval of a commutator piece after completion of a first welding work for welding a lead wire of an armature and a commutator piece A moving means for moving the electrode holder by a predetermined distance after each welding operation, and moving the electrode holder by a predetermined distance by the moving means after each welding operation. The indexing machine is used to rotate the armature, and the electrodes provided on the electrode holder are sequentially switched for each welding work, thereby enabling the welding work of the lead wire and the commutator piece. There is.

(Operation of the Invention) In the fusing machine according to the present invention, when the first welding operation is completed, the electrode holder is moved by the moving means by a predetermined distance, and the armature is rotated by the index machine. The electrodes provided with the electrode holders are sequentially switched for each welding operation to weld the lead wire and the commutator piece. Therefore, the welding work is performed in a state where the electrode is cooled for a period of time between the welding works.

(Embodiment) FIGS. 1 and 2 are views for explaining an embodiment of a fusing machine according to the present invention.

As shown in the figure, the fusing machine 1 is mainly configured by an operation unit 2 and a carrier 3.

The operation unit 2 is installed in a state in which pressure can be applied downward by the pressure cylinder 2a, and a guide groove 2c is provided on the lower surface of the main operation unit 2b. This guide groove 2
c and the electrode holder 2 provided below the main operating portion 2b
The guide convex portion 2e provided on the upper surface of d constitutes a moving means 21 for horizontally moving the electrode holder 2d on the lower surface side of the main operation portion 2b. There is.

A plurality of electrodes 4 (4a, 4b, 4c, 4d, 4e, 4) are provided at the front end of the electrode holder 2d at intervals.
f, 4g) and the cable 5 is connected.

Further, on the carrier table 3, the armature 6 is provided with the rotary body supporting portion 7 a of the lifter 7 and the rotary body supporting piece 8 of the index machine 8.
It is rotatably installed with a.

When performing the welding connection at the connection portion 11 between the lead wire 9 and the connection piece 10a of the commutator piece 10 by the fusing machine 1 having the above-described configuration, the rotation support portion of the lifter 7 arranged on both sides of the carrier table 3. A U-shaped tip is formed on a rotor support piece 8a formed by arranging both ends of the armature shaft 6a of the armature 6 in a semicircular groove 7b formed in 7a and projecting in a plate shape from the index machine 8. The armature core portion 6b of the armature 6 is lightly pressed by the portion 8c, the armature 6 is supported by the rotor support portion 7a and the rotor support piece 8a of the lifter 7, and the electrode holder 20 of the operation portion 2 is supported. The connecting piece 1 of the commutator piece 10 of the armature 6 is brought closer to the armature 6 from above the armature 6.
0a is brought into pressure contact with one of the many electrodes 4a fixed to the electrode holder 2d, and the auxiliary electrode 2c is brought closer to the armature 6 from above the armature 6 like the electrode holder 2d. The commutator piece 10 is brought into contact with the auxiliary electrode 20 through the commutator piece 10 from the electrode 4a to heat the lead wire 9 and the commutator piece 10a at the connecting portion 11. It should be noted that the auxiliary electrode 20 may be formed so that the tip portion 20a thereof can sufficiently pass the current.

Next, after the above-mentioned heat welding is completed, the operating portion 2 is moved to the armature 6
And the electrode holder 2d disposed on the bottom surface of the operation portion 2 is moved by an amount corresponding to the distance between the electrode 4a and the electrode 4b adjacent to the electrode 4a.
Placed above. The electrode holder 2d is moved by the moving means 21 by an amount corresponding to the distance from the electrode 4a adjacent to the electrode 4a. The armature 6 is held by the rotating body supporting portion 7a of the lifter 7 and the rotating body supporting piece 8a of the indexing machine 8 according to the movement of the electrode holding body 2d, and the commutator is rotated by the rotating piece 8b of the indexing machine 8. The armature 6 is rotated by one interval of the piece 10, and the electrode 4 is attached to the adjacent connecting portion 12.
While b is being pressed, it is energized and heat welded.

FIG. 3 is a view for explaining another embodiment of the fusing machine according to the present invention.

In this embodiment, the electrode holder 2d of the operating portion 2 is rotatably attached to the lower surface of the main operating portion 2b, and a large number of electrodes 4 (4a, 4b, 4c, 4d, 4d) are attached to the electrode holder 2d.
4e, 4f, 4g, 4h) are concentrically provided at intervals.

The welding connection of the connecting portion 11 of the armature 6 is performed in the same manner as the welding connection shown in FIGS. 1 and 2, but in the continuous welding connection, the welding connection is made by the electrode 4a. After the operation is completed, the operation section 2 is slightly separated from the armature 6, and the electrode holder 2d rotatably attached to the bottom surface of the operation section 2 is rotated to move the next electrode 4b to the upper position of the armature 6. To place. In this state, the armature 6 is rotated by one interval of the commutator piece 10 to perform continuous welding connection.

[Effects of the Invention] As described above, the fusing machine according to the present invention has the above-described configuration. Therefore, the electrode holder is moved by the moving means by a predetermined distance after each welding operation. By moving and rotating the armature with the index machine, the electrodes provided on the electrode holder are sequentially switched every time the welding work is performed, and the welding work of the lead wire and the commutator piece can be performed. Welding work is performed in a state where the time to be cooled is given during the work, and the temperature rise of the electrode can be prevented as much as possible, so that the fusing can be performed while the temperature of the electrode is always stable, thereby, It has an excellent effect that the life of the electrode can be dramatically extended and the fusing performance can be improved.

[Brief description of drawings]

FIG. 1 is a structural explanatory view of an embodiment of a fusing machine according to the present invention, and FIG. 2 is a perspective view for explaining a positional relationship between an operating portion of the fusing machine shown in FIG. 1 and a rotor inside a motor. FIG. 3 is a perspective view for explaining the positional relationship between the operating portion of another embodiment of the fusing machine according to the present invention and the rotating body inside the motor, and FIG. 4 is the operating portion of the conventional fusing machine and the rotation inside the motor. FIG. 5 is an explanatory view showing the positional relationship with the body, and FIG. 5 is an explanatory view of the configuration of a conventional fusing machine. 1 ... Fusing machine 2 ... Operation part 2d ... Electrode holder 4 (4a, 4b, 4c, 4d, 4e, 4f, 4g, 4
h) ... Electrode 6 ... Armature 8 ... Indexing machine 8b ... Rotating piece 9 ... Lead wire 10 ... Commutator piece 10a ... Connecting piece 20 ... Auxiliary electrode

Claims (1)

[Scope of utility model registration request] 1. A lead wire (9) for an armature (6) of a motor.
A fusing machine for welding the commutator piece (10) of the armature (6) to the connecting piece (10a) of the commutator piece (10); A plurality of electrodes (4) are fixed to the electrode holder (2d) at a predetermined distance, and the electrode holder (2d) is supported to support the electrode holder (2d).
d) a vertically movable operation part (2), and the electrode holder (2d) supported by the operation part (2).
Together with the armature (6), an auxiliary electrode (20) that is vertically movable by the operation part (2) and forms a circuit with the electrode (4) by contacting the commutator piece (10). The armature (6) is provided with a rotating piece (8b) in contact with the lead wire (9) and the commutator piece (1).
0) and the first welding operation for welding the armature (6), the armature (6) is rotated by the rotating piece (8b) by an interval of the commutator piece (10). A fusing machine provided with a moving means (21) for moving the electrode holder (2d) by a predetermined distance after each welding operation, and the moving means after each welding operation. The electrode holder (2d) is moved by a predetermined distance by (21), and the armature (6) is rotated by the index machine (8) to hold the electrode for each welding operation. A fusing machine, characterized in that the electrodes (4) provided on the body (2d) are sequentially switched to enable welding work of the lead wire (9) and the commutator piece (10).