JPS58197800A - Method of automatically inserting electronic part - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic electronic component insertion method for automatically inserting an electronic component formed by drawing out three lead wires in the radial direction into a component mounting board.

Conventionally, an electronic component 2 having two lead wires 1 drawn out in the radial direction as shown in FIG. 1A-H and an electronic component 4 having three lead wires 3 in the radial direction shown in FIG. It is often found in semiconductor components such as thyristors and thyristors.

As shown in FIG. 3, the electronic component 2 having the two lead wires 1 is held at regular intervals by taping the lead wires 1 with a tape part 6 composed of a mount tape and an adhesive tape, and further , is supplied as a taping part 7 which is constructed by providing conveyance holes 6 at a constant pitch in the tape part 6, and in order to separate it from the tape part 6, the lead wire 1 is cut, and this is shown in FIGS. It was inserted into the component mounting board 8 as shown in FIG.

That is, a guide block 11f having two lead wire guide pins 10 that go in and out of the component mounting hole 9 at the lower part of the component mounting board 8 having the component mounting hole 9 at the upper part is provided so as to be movable up and down. A lead guide plate 13 having a funnel-shaped through hole 12 is disposed on the top and bottom of the lead guide plate 13, and the electronic component 2 is supplied to the lead guide plate 13 so that the lead wire 1 is fitted into the through hole 12. Push rod 14 on board 13
The lead wire guide bin 10i is inserted into the component mounting hole 9 of the component mounting board 8 by moving the guide block 11 upward, and the head of the electronic component 2 is held by the push rod 14 and held by the lead guide plate 13. Hold the lower end of the lead wire 1. In this state, the lead guide plate 13 is separated into two parts and separated from the electronic component 2. In this state, the push rod 14 and the lead wire guide bin 10 are separated.
The electronic component 2 was held in place, and the lead wire 1 was inserted into the component mounting hole 9 of the component mounting board 8 by moving downward. If applied to the electronic component 4, the lead wire guide pin 1o can be
Although it is possible to guide the lead wires 3 with a device equipped with this, it requires a special guide block 11, which is not practical.
It is desired to automatically insert the electronic component 4 having the three lead wires 3 by effectively utilizing the guide block 11 for inserting the electronic component 4 as it is.

That is, as shown in FIG. 6, the three lead wires 31 of the electronic component 4 are attached to the tape portion 6 having the conveying holes 6 at regular intervals.
r: All the lead wires 3 are cut to the same length in order to separate the taped part 7 that has been formed, pasted and held from the tape part 5, and this is
As shown in the figure, the lead guide plate 13 holds the push rods 14 and 2.
Guide block 1 with book lead wire guide pin 10
1 and inserting the lead wire 3 into the component mounting hole 9 of the component mounting board 8.

However, in this case, the center lead wire 3b is connected to the lead wire guide pin 10 like the lead wires 3a and 3c at both ends.
Therefore, if the direction is slightly off, it will not match the component mounting hole 9 of the component mounting board 8 as shown in FIGS. 9 and 10, making it impossible to insert the electronic component 4.
In addition, even if the parts are successfully inserted into the component mounting board 8 as shown in FIG. However, the center lead wire 3C is one of them! The extra parts had to be cut off, which required a considerable amount of effort to assemble them.

Therefore, an object of the present invention is to provide an automatic electronic component insertion method that can reliably insert an electronic component having three lead wires into a component mounting board using a guide block having two lead wire guide pins. It is something to do.

In order to achieve the above object, the present invention cuts a medium heat lead wire shorter than the lead wires at both ends, holds the lead wires at both ends of the upper dpi with lead wire guide pins, and clamps them with a push rod to assemble the parts. This is to ensure that the lead wire is inserted into the component mounting hole of the mounting board. .

Embodiments of the present invention will be described below with reference to FIGS. 12 to 36.

First, as shown in FIG. 12, three formed lead wires 3a to 3C are held at a constant interval by a tape section 6 composed of a backing tape and an adhesive tape, and the tape section 5 is held at a constant pitch. Conveyance hole 6'f: Cut only the central lead wire 3b of the provided taping component 7a into short pieces, and after cutting, lead wires 3a at both ends,
3 Cut it at the part indicated by cfA and use it for automatic insertion.

As shown in FIG. 13, the electronic component 4 thus cut is held by a lead guide plate 13 having a funnel-shaped through hole 12 and a linear through hole 12a from the upper and lower surfaces.
Hold the head with the push rod 14, and hold the lower ends of the lead wires 3a and 3c at both ends with the lead wire guide pin 1° passed through the component mounting hole 9 of the component mounting board 80 from below. The lead guide plate 13 is separated from the electronic component 4, and the push rod 14. Move the guide block 11 down and connect the lead wires 3a and 3c at both ends to the component mounting board 8.
into the component mounting hole 9, and then the center lead wire 3b?
: Insert into component mounting hole 9.

At this time, the center lead wire 3b is attached to the lead wire guide pin 1.
0, but as shown in Fig. 15, even if the lead wires 3a and 3c at both ends are slightly offset from the radial direction, the center lead wire 3b is cut short, so The difference in diameter between the component mounting hole 9 and the lead wire 3b can be sufficiently absorbed, allowing reliable insertion.

In addition, as shown in FIG. 16, the lead wires 3a and 3c at both ends are
'(i = Even if it is bent, the center lead wire 3b is cut short and only protrudes from the bottom surface of the component mounting board 8 by a length suitable for later soldering, so it must be cut. There's no need.

Next, an embodiment of a cutting device for cutting the electronic component 4 from the taping component 7a will be described.

As shown in FIGS. 17 and 18, a base cover 16 is fixed to the placket 15, and a slide block 17 is attached to slide vertically within the base cover 16. A pusher rod 18 is attached so as to slide up and down within this slide block 17. And between this plano shear rod 18 and slide block 170,
A compression spring 20 is attached via a spring receiver 19.

Further, a stopper 21 is fixed to the slide block 17. There is a groove 22 at the bottom of the slide block 17, and a rotating shaft 23 fixed to the slide block 17.
2 by swinging in the groove 22 with
two cutters, namely flat cutter 24 and 7-figure cutter 2
A roller 26 is attached to the upper ends of the flat cutter 24 and the figure 7 cutter 25 so that it can rotate. installed. Further, a cylinder 29 is attached to a mounting pin 28 fixed to the placket 16, and connected to a lever 31 by a joint ball 3o. Furthermore, a cam follower 33 is rotatably attached to the tip of the lever 31 that swings about the fulcrum shaft 32. The cam follower 33 is fitted into a cam follower receiver 34 fixed to the pusher rod 18.

Next, the above-mentioned cutting device will be explained.

As shown in FIG. 19, the cutting device according to the present invention is attached to an automatic radial component insertion machine, and an enlarged view of the attachment portion is shown in FIG. 20.

Below the cutting device in the present invention, there are three lead wires 3.
The taping part 7a of the electronic component 4 having a to 3ci holds the taping part 7 of the electronic component 2 having only two lead wires 1, and the taping part 7a, ? The bartka cents 36, which are sent out one by one, are lined up in order.

Then, only when the taping part 7a moves at T1 of the cutting device in the present invention, the cutting device (・7 [moves. 3
While the electronic component 4 having the main lead wires 3a to 3C is moving, the cylinder 29 is retracted, and the pusher rod 18 and slide block 17 are raised via the lever 31, as shown in FIG. are doing. At this time, the flat cutter 24 and the 7-shaped cutter 25 have entered into the base cover 16 with their lower ends expanded by the tension spring 27. Then, at the same time that the electronic component 4 stops under the cutting device of the present invention and finishes being fed one piece forward by the parts cassette 36, the cylinder 29 begins to extend, and the pusher rod 18 and the slide block 17 are connected via the lever 31. falls at the same time. Then, as shown in FIG. 22, the slide block 17, pusher rod 18. Flat cutter 24. The 7-figure cutter 26 then descends at the same time. The flat cutter 24 and the seven-figure cutter 26 enter between the electronic component 4 directly below and the electronic component 20 next to it.

When the stopper 21 hits the base cover 16, the slide block 17 and the thousand cutter 24.7 character cutter 26 stop descending. However, the cylinder 29 continues to extend, the pusher rod 18 descends, and the lower end of the flat cutter 24.7-shaped cutter 25 closes as shown in FIG. 23, cutting only the central lead wire 3b of the electronic component 4.

After this, the cylinder 29 begins to contract, as shown in FIG.

As shown in the figure, the flat cutter 24 is opened by the 7-figure cutter 26.

Then, the slide block 17 is pushed up by the cam follower receiver 34, and the flat cutter 24. The V-shaped cutter 25 enters into the pace cover 16.

Here, use the flat cutter 24 and the 7-figure cutter 25 to cut the electronic component 4.
The state when cutting is shown in FIGS. 26 and 27.

1. When the homing portions 36 of the two lead wires 3a and 3c on both sides are swollen as shown in Figures 28 and 29, use the figure 7 cutter as shown in Figures 30 and 31. Attach the presser block 37 to the center lead,
At the same time as cutting 1ti13bl, the homing portions 36 of the two lead wires 3a and 3c on both sides are pressed down to forcibly correct. ] Furthermore, when the electronic component 4 is tilted as shown in FIGS. 32 and 33, the taping of the electronic component 4 can be fixed by attaching the guide 38 as shown in FIGS. 34 and 35. The tilt can be corrected.

As described above, the automatic electronic component insertion method of the present invention makes it possible to reliably insert an electronic component having three parallel lead wires into a component mounting board using two lead wire guide pins, It does not require post-processing such as cutting the leads and wires, and is expected to be used extensively in the future.It has great industrial value.

[BRIEF DESCRIPTION OF THE DRAWINGS] Figures 1A to 1E are front views of a general electronic component with two radial lead wires, and Figure 2 is a front view of an electronic component with three radial lead wires. FIG. 3 is a perspective view of an electronic component with two lead wires; FIGS. 4 and 6 are explanatory diagrams of an electronic component insertion method using a general electronic component automatic insertion machine; FIG. 6 is a perspective view of a component; is a front view of a taping part for an electronic component having three lead wires, FIGS. Fig. 10 is a perspective view showing an inconvenient example of the automatic insertion method of electronic components by a general automatic electronic component insertion machine, and Fig. 11 is a perspective view showing an example of an inconvenient automatic insertion method of electronic components by a general automatic electronic component insertion machine. A partially cutaway front view, FIG. 12 is a diagram showing a state in which only the lead wire at the center of the taping component is cut short in the automatic insertion method of electronic components of the present invention, and FIGS. 13 and 14 are general An explanatory diagram of the method of inserting an electronic component with three lead wires using an electronic component automatic insertion machine. Figure 15 is an enlarged explanatory diagram during insertion. Figure 16 is a part of the state after inserting the electronic component. Cross-sectional front view, No. 17
The figure is a plan view of the cutting device used in the automatic insertion method of electronic components according to the present invention, FIG. 18 is a sectional view of the cutting device seen from the left side, and FIG. FIG. 20, a perspective view of the state in which the cutting device is
Figures 21 to 25 are perspective views of an electronic component with lead wires, with the central lead wire being cut.
An explanatory diagram of the operation of the cutting device according to the present invention. FIG. 26 is a vertical cross-sectional view of the center lead wire of an electronic component when cutting it, FIG. 27 is a horizontal cross-sectional view of the same, and FIG. 28 is a cross-sectional view of the two leads on both sides. A front view of the taping part when the homing part of the wire is swollen, FIG. 29 is a side view of the same, FIG. 30 is a longitudinal sectional view of the main part when cut, FIG. The figure is a front view of the electronic component when it is tilted, Figure 33 is a side view of the same, and Figure 34 is the same side view.
The figure is a longitudinal cross-sectional view of the same cut, and FIG. 36 is a cross-sectional view of the same. 1...Lead wire, 2...Electronic component, 3
a~3C...Lead wire, 4...Electronic component, 6...0 tape part, 5 @1111... No. conveyance hole, 7. Tae-...Taping parts, 8...
・・Component mounting board, 9・・・・Component mounting hole, 10・
... Guide pin, 11 ... Guide block, 12 ... Through hole, 13 ... Lead guide plate, 14 ... Push rod, 15 ... ...Bracket, 16...Base cover, 17 +1@@
11+1 @ Slight Flosoku, 18, Italy... Push Charlotte, 19... Spring holder, 2o...
・Compression spring, 21... Stopper, 22...
...Groove, 23...00 rotation axis, 24...Flat cutter, 26...7 figure cutter, 26...
・Roller, 27...Tension spring, 28...l
・Mounting pin, 29...Fist cylinder, 3'0...
...Joint ball, 31...Lever,
32mmmm@@Fulcrum shaft 33 @11+111116
Cam follower, 34016 00 Cam follower holder, 351111+11111e noku-tsukasesoto, 3600・Fist homing part, 37...
... Presser block, 38 ... Guide d Name of agent Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2 Figure 4 Figure 5 Figure 6 Figure 117 Figure 8 Figure 11 Figure 12 Figure 13 Figure 14 O Figure 16 Figure 32 4 / qα Figure 34 Figure 33 Figure WI435 Figure

Claims (1)

[Claims] An electronic component having three lead wires in the radial direction is supplied as a taped component taped at regular intervals, and the central lead wire of this electronic component is cut to a length that does not require cutting when it is assembled into a component mounting board. Then, cut the lead wires on both sides longer than the center lead wire, and hold the lead wires on both sides of the electronic component with two lead wire guide pins that move upward through the component mounting hole of the component mounting board. An automatic method for inserting an electronic component, characterized in that the head of the electronic component is held by a push rod, and the lead wire of the electronic component is inserted into the component mounting hole of the component mounting board by moving the lead wire guide pin and the push rod downward. .