JPS5948516B2 - Wire wrapping device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides an electric wire winding device that simultaneously winds and connects the end of one electric wire to two predetermined terminals among a large number of terminals installed upright on the wiring surface of a board. In particular, the present invention relates to a wire winding device that winds the end of a wire around a terminal that is inclined within a predetermined range from a line perpendicular to the wiring surface of a board.

2. Description of the Related Art As a wire winding device that removes the sheathing of a single wire and simultaneously winds the core wires at both ends around a pair of terminals, the wire winding device shown in FIGS. 1 to 5 is known.

That is, the wire winding device includes a rotating means A for index-rotating a board 2 on which a large number of terminals 1 are placed upright;
A pair of winding heads B, a moving means C for moving each of the winding heads B to a predetermined position, and cutting the electric wire 4 drawn out from the service wire reel 3, and the starting end and the terminal end of the cut electric wire 4. and cutting strip means D for removing the coating. The rotating means A, the winding head B, the moving means C, and the cutting strip means D each have a base 5.
and is placed in a predetermined position by a support 6. As shown in FIG. 3, the rotating means A includes a rotating table 12 having pins 11 implanted therein for positioning the substrate 2;
The rotary table 12 is rotatably supported by four rollers 13, and one of the rollers 13 is rotated to perform index rotation as shown in FIGS. 3a to 3b.

The winding head B is equipped with a bit 15 for winding the electric wire, and after inserting and holding the end of the electric wire 4 into the bit 15 and fitting it to the terminal 1, the winding head B rotates and lifts the end of the electric wire 4 to secure the terminal. The end of the electric wire 4 is wound around the wire 1.

As shown in FIG. 2, the moving means C includes a nut that is slidably supported by a pair of guard bars 16 arranged at a predetermined interval and screwed into a feed screw 17 arranged parallel to the guard bars 16. The moving frame 19 is provided with an H-shaped moving frame 19 having a diameter of 18, and is moved by the rotation of a motor 20 coupled to one end of the feed screw 17.

The moving frame 19 is provided with feed screws 21 at predetermined intervals.
and a pair of guard bars 22 are arranged in parallel, and the feed screw 21
is rotated by a motor 23. A pair of blocks 24 are slidably fitted into each of the guard bars 22, and the feed screw 21
A pair of split nuts 25 that can be screwed onto and separated from the feed screw 21 are arranged. Then, the pair of blocks 2
4 and one split nut 25, the winding head B is moved by screwing the split nut 25 into the feed screw 21 and stopped by separating it. As shown in FIG. 4, the cutting strip means D includes a base 26 fixed to the center of the support column 6, and a pair of lead-in guides 27 for the electric wires 4, a support member 28, and a guard bar 29 arranged at predetermined intervals. Fixed.

A pair of feed rollers 30 are rotatably arranged between the support members 28 so as to sandwich the electric wire 4 drawn in from the introduction guide 27, and are driven by a motor (not shown) to send out and pull back the electric wire 4. I'm starting to do it. Further, the electric wire 4 sent out from the sending roller 30 passes between two rows of guide blocks 31 fixed to the base 26 and is sent out to the other side. The rods of the pair of cylinders 32 supported so as to face each other on the base 26 each have a support block 33 slidably supported on the guard bar 29.
are connected so that they are facing each other. Each support block 3
A cutting blade 34 for cutting the electric wire 4 is supported at the center of the wire 3, and strip blades 35 for cutting the covering of the electric wire 4 are supported on both sides of the cutting blade 34. Note that there is a wire puller on one side of the winding head B. 7 is attached.

With such a configuration, the two winding heads B are stopped at positions facing the cutting strip means D as shown in FIG. The electric wire 4 from which the sheathing has been removed is sent out.

Then, wire 4 passed through bit 15 of lead B to each winding.
The tip of the wire is held by the wire puller 7. In this state, one split nut 25 is screwed into the feed screw 21, one of the ends B is moved to the winding as shown in FIG. 5b, and the electric wire 4 is pulled out by the required length. Then, actuate the cylinder 32,
The cutting blade 34 and the stripping blade 35 cut the electric wire 4 and cut its coating. In this state, when the feed roller 30 is reversed, the coating of the electric wire 4 is removed because the coating is held down by the stripping blade 35 when the electric wire 4 returns. On the other hand, the split nut 25 is screwed onto the feed screw 21, and the pair of winding heads B are connected as shown in FIG. 5C.
When simultaneously moved in the direction of the arrow, the terminal end of the electric wire 4 is removed from the cutting strip means D and transferred to the desired wiring position.

On the other hand, the substrate 2 is indexed by rotating means A. Then, the predetermined terminal 1 and bit 15 of the board 2 are connected to the fifth
When facing each other as shown in Figure d, each winding head B is
Set bit 15 to terminal 1 by lowering bit 15 as shown below.
are fitted, and the bit 15 is rotated and raised to wrap both ends of the electric wire 4 around the terminal 1. When the winding is finished, the fifth
As shown in Figure f, each winding head B pulls up bit 15,
Return to the state shown in FIG. 5a. In such a wire winding device, it is good if the terminal 1 is installed vertically on the board 2 and the position of the terminal 1 is placed with high precision, but if the positional accuracy of the terminal 1 is poor, or if the terminal If 1 is tilted,
There is a drawback that the bit 15 cannot be inserted into the terminal 1, making wiring work impossible.

An object of the present invention is to overcome the above-mentioned drawbacks of the prior art and to provide a wire winding device that makes it possible to wind wires even on terminals with poor positional accuracy or terminals that are tilted more than the hole diameter of the bit. It is in.

In order to achieve the above object, in the present invention, at the tip,
It is equipped with a bit with a notch that is at least half the diameter longer than the length of the terminal to be wound, leaving the necessary part for accommodating the wire. The bit is characterized in that its revolution and rotation are synchronized around the terminal to be wound so that the notch always faces inside the locus along which the bit passes.

An embodiment of the present invention will be described below with reference to the drawings.

6 to 13 show an embodiment of the present invention, in which the cutting strip portion D is the same as in FIG. 4 and is designated by the same reference numeral.

The winding head B'' is supported by an L-shaped base 40 supported by a block 24 and a split nut 25.A pair of guard bars 41 is disposed on this base 40, and a movable base is attached to this guard bar 41. 42 is slidably supported. This movable base 42 is coupled to a cylinder 43 placed on the base 40, and slides on the guard bar 41 by driving the cylinder 43. A pair of guard bars 45 are vertically supported on the upright support columns 44.A pair of guard bars 45 are supported vertically on the upright pillars 44.
6 is slidably supported. The movable base 46 is connected to a cylinder 48 supported by a column via a holding plate 47, and is moved up and down by the operation of the cylinder 48. A tool body 50 is fixed to the movable base 44 via a holding plate 49. This tool body 50 includes a sleeper 5 that is supported so as to be able to rise and fall and rotate.
1 and passes through the axis of this sleeve 51, and the sleeve 51
A bit 52 is provided which is supported for rotation at the same time. The sleeve 51 is then raised and lowered by a drive source disposed within the tool body 50. A motor 54 supported by a moving base 46 via a support plate 53 is disposed above the tool body 50, and its rotating shaft is coupled to the bit 52. A core wire presser 55 is provided on the outer periphery of the tool body 50, and when the sleeve 51 is raised, it contacts the outer periphery of the bit 52, and when the sleeve 51 is lowered, it is pressed by the sleeve 51 and presses the outer periphery of the bit 52. It's starting to come off. As shown in FIGS. 8 to 10, a notch 57 is formed at the lower end of the sleeve 51 and the bit 52, leaving a portion of the wire hole 56 formed between the sleeve 51 and the bit 52. . With such a configuration, the sleeve 51 and the bit 5
After inserting the end of the electric wire 4 into the wire hole 56 formed between the terminals 2 and 2, the notch 57 of the bit 52 (and the sleeve 51) is made to face the terminal 1, and the cylinder 43 and the motor 5 are connected.
4 to operate in synchronization.

Then, the bit 52 and the sleeve 51 move in an ellipse around the terminal 1, as shown in FIG. 1 and FIG. 12, so that the end of the electric wire 4 can be wrapped around the terminal 1. It's getting old. In the above configuration, the third
As shown in Figures A and B, with the pair of bits 52 moved to the initial position facing the cutting strip means D, the roller 30 is rotated to feed out the wire 4, and the wire drawing tool 7 is moved to the cutting strip means D. move it so that it touches
The core wire at the starting end of the electric wire 4 sent out from the cutting strip means D is held between the bit 52 and the core wire presser 55, and the core wire at the starting end of the electric wire 4 is cut into the bit 5 as shown in FIG. 13C.
2 and the core wire presser 55.

Then, as shown in FIG. 13d, the electric wire drawing tool 7 and the bit 52 are moved in the direction of the arrow, the electric wire A is pulled out to a required length, and then stopped once. disconnect. Thereafter, as shown in FIG. 13e, when the wire drawing tool 7 and the bit 52 are moved again in the direction of the arrow, the core wire at the rear end of the wire 4 comes out of the sheath cut by the stripping blade 35, and the bit 52 and the core wire presser 55 are removed. It is pulled in between the bit 52 and the core wire presser 55. After moving to a predetermined wiring position and stopping in this state, the sleeve 51 is lowered to insert the core wires at both ends of the electric wire 4 into the wire holes 56, as shown in FIG. 13f. At this time, the wire drawer 7 releases the core wire and retreats to a predetermined position. On the other hand, the core wire presser 55 is also pressed by the sleeve 5 to release the core wire. In this state, operate the cylinder 48,
After lowering the bit 51 and sleeve 52 so that the notch 57 faces the terminal 1, the cylinder 43 and motor 54 are
5 bit 52 and sleeve 51 are rotated along a predetermined trajectory as shown in FIGS. 11 and 12, and raised by cylinder 48. Then, the first
As shown in Fig. 3g, winding can be performed around the inclined terminal 1. As described above, according to the present invention, the electric wire is held by a bit with a notch and a sleeve formed at the tip, and is rotated around a predetermined terminal to wrap the electric wire around the terminal. Wires can be wrapped around terminals that have poor quality or are tilted.

It also has the effect of reducing manual labor and greatly improving work efficiency.

[Brief explanation of the drawing]

Fig. 1 is a front view of a conventional wire winding device, Fig. 2 is a perspective view of a moving means, Fig. 3 is a plan view of a rotating means, Fig. 4 is a plan view of a cutting strip means, and Fig. 5 is a conventional wire winding device. 6 is a front view of the winding head according to the present invention, FIG. 7 is a side view of FIG. 6, and FIG. 8 is an enlarged front view of the tip of the tool. Figure 9 is a side view of Figure 8, and Figure 10 is a side view of Figure 8.
The figures are a bottom view of FIG. 8, FIG. 11 is a perspective view showing the state of winding by the tool, FIG. 12 is a bottom view showing the movement of the tip of the tool, and FIG. 13 is a process diagram showing the wiring process. B'... Winding head, 51... Sleeve, 52...
・Bit, 57...notch.

Claims (1)

[Claims] 1. Support the core wire exposed at both ends of a wire that has been cut to a predetermined length and the sheathing at both ends has been removed with a pair of wire-wrapping bits, and simultaneously wrap both ends of the wire around a predetermined terminal. In a wire winding device for wiring, the bit has a notch at its tip that is longer than the length of the terminal to be wound with the wire and is at least half the cross-sectional area perpendicular to the axis; An electric wire winding device characterized in that a bit driving means is provided for causing the bit to revolve around the terminal along a predetermined path and for causing the bit to rotate once for each revolution.