JPH09205298A - Electronic parts automatic insertion device - Google Patents

Abstract

(57) Abstract: An electronic component automatic insertion device for inserting a radial electronic component is intended to realize a small size and a light weight and a high insertion speed. An electronic component (2) has a tip below a circuit board (22).
Lead wire guide pin 20a for holding the lead wire 25 of No. 4
Guide pin rod 1 which is connected to the upper end of a guide pin cartridge 19 holding 20c and is moved up and down by a lever 5.
2 is arranged and lead wire guide pins 20b, 20
guide pin selection rods 11a, 11 that engage with the lower end of c
b is arranged, and a lead wire guide mechanism including a guide pin selection unit 30 that slidably engages with these and selectively and forcibly prevents the lead wire guide pins 20b and 20c from rising is connected. Thus, it is possible to reduce the size and weight of the lead wire guide mechanism, reduce the load, and increase the insertion speed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic component automatic insertion device used for automatically inserting electronic components into circuit boards used in various electronic devices.

[0002]

2. Description of the Related Art In recent years, printed circuit boards have been used to form circuits of various electronic devices, and various electronic parts are incorporated in the printed circuit boards to form a circuit board. Leadless chip parts also have leads. Parts (hereinafter referred to as radial parts) are also automated by using a machine.

As the radial parts which are often used at present, two lead wires 25, which are two lead wires 25 drawn from an electronic part 24, are shown in FIGS. 7 (a) to (d), respectively. Wider spacing, 3 lead wires 25
Some are provided with a book, and some are provided with a plurality of lead wires 25.

As shown in FIG. 8, the basic configuration of the electronic component automatic insertion device for inserting such a radial component is such that the guide pin rod 12 which moves up and down below the circuit board 22 which is positioned and held by the board guides 34a and 34b. Is provided at the tip of the guide pin rod 12 and is positioned by the guide hole 27 provided in the lead wire guide pin guide 28 and penetrates the lead wire insertion hole 23 of the circuit board 22 to project onto the upper surface of the circuit board 22. A line guide pin 35 is provided.

A recess 36 for holding the lead wire 25 of the electronic component 24 is provided at the tip of the lead wire guide pin 35. Further, a funnel-shaped guide hole 37 is provided above and below the circuit board 22, and a lead wire guide plate 38 that can be opened and closed left and right is provided so as to divide the guide hole 37 into two. Electronic component 2 having lead wire 25 above
An insertion chuck 39 for supplying 4 is provided, and the push rod 26 is arranged above the insertion chuck 39 so as to be vertically movable. When the electronic component 24 is supplied to the upper part of the lead wire guide plate 38 by the insertion chuck 39 with the lead wire 25 on the lower side, the guide pin rod 12 rises and the tip of the lead wire guide pin 35 is led to the lead of the circuit board 22. The guide hole 37 of the lead wire guide plate 38 is penetrated through the wire insertion hole 23.
And position it. At the same time, insert chuck 3
9, the tip of the lead wire 25 of the electronic component 24 is fitted into the recess 36 of the tip of the lead wire guide pin 35, and in this state, the push rod 26 descends to press the head of the electronic component 24 and press the electronic component 24. Hold.

Next, the lead wire guide plate 38 is separated to the left and right to push the electronic component 24 and push the rod 26 and the lead wire guide pin 35.
The push rod 26 and the lead wire guide pin 35 are moved downward while being held by, and the lead wire 25 of the electronic component 24 is inserted into the lead wire insertion hole 23 of the circuit board 22 in this manner.

Further, as shown in FIGS. 7 (c) and 7 (d), some electronic components have three or more lead wires 25. Therefore, in order to correspond to the electronic component 24, one lead wire guide pin 35 shown in FIG. 8 is independently raised to the upper surface of the circuit board 22 corresponding to the lead wire 25 to lead all the lead wires 25. Wire guide pin 3
You need to get 5

An automatic insertion device for radial parts that has been conventionally used to meet such requirements is disclosed in Japanese Patent Laid-Open No. 63-3492, and the basic automatic insertion device for radial parts is basically the same. The configuration is shown in FIG.

In FIG. 9, reference numeral 40 is a lead wire guide block in which a column portion 41 is provided at the upper portion, a disc portion 42 is provided at the lower portion, and the column portion 41 and the disc portion 42 are connected by a prismatic connecting portion 43. An engaging groove 2 is formed in a part of the peripheral surface of the columnar portion 41 of the guide block 40, and one end of the engaging groove 2 is pivotally supported and a rotating cam plate 4 is attached to a cam follower 3 attached to an intermediate portion. A cam follower 6 attached to the tip of a lever 5 which is brought into contact with and vertically moved by the cam plate 4 is fitted. A guide pin selection cylinder 8 is fixed between the cylindrical portion 41 and the disc portion 42 of the lead wire guide block 40 in parallel with the connecting portion 43.

The guide pin selection cylinder 8 has the lower ends of two guide pin selection rods 11a and 11b incorporated therein, and the guide pin selection rods 11a and 11b have a cylindrical shape with the lower end incorporated in the center of the cylindrical portion 41. It enters into the guide pin rod 12 and extends upward. A rotary plate 14 is slidably engaged with the guide pin rod 12 and the rotation stopper 13 fixed to the guide pin rod 12,
The rotating plate 14 has a cam follower 16 attached to one end at the outer periphery thereof, and a rotating cam plate 17 is brought into contact with the cam follower 16.
The rod 15 is connected to one end of a guide pin turning lever 18 which is swung by.

The guide pin selection rods 11a, 1 are also provided.
At the lower part of 1b, a rotation stopper 44 guided by the connecting portion 43 is provided.
a and 44b are fixed, and as shown in FIG. 10, the upper ends of the guide pin selection rods 11a and 11b are located near the upper ends of the above-mentioned guide pin rods 12, and the lower end thereof is provided with a coupling groove 45 having a large diameter portion. It is provided.

A guide pin cartridge 19 is connected to the upper end of the guide pin rod 12. The guide pin cartridge 19 is composed of a cylindrical body having upper and lower surfaces, and three lead wire guide pins 20a to 20c are incorporated in the guide pin cartridge 19 so that the upper and lower ends thereof protrude upward and downward. Pins 20a to 20c
A concave portion 36 for receiving the lead wire 25 of the electronic component 24 is formed on the upper end surface of the electronic component 24, and a spring stopper stopper collar 46 is formed at an intermediate portion located in the guide pin cartridge 19, and the stopper collar 46 and the guide pin are formed. Cartridge 19
The coil springs 21 that constantly bias the lead wire guide pins 20a to 20c upward with respect to the bottom surface are respectively fitted in the lead wire guide pins 20a to 20c.

Further, the lead wire guide pins 20b, 20
The lower end of c is engaged with the coupling groove 45 of the guide pin selection rods 11a and 11b, and the engaging portion 4 is coupled vertically.
7 are provided.

The guide pin cartridge 19 has lead wire guide pins 20a extending from the side surface except the upper surface to the bottom surface.
An assembling groove 48 for assembling ~ 20c is formed (when the assembling groove 48 is not provided, the top plate or the bottom plate may be press-fitted and coupled to the main body portion). .

With the above-mentioned structure, when the guide pin selection rod 11a is moved downward as shown in FIG. 11, the lead wire guide pin 20b elastically contracts the coil spring 21 so that the lead wire guide pin 20b is formed as shown in FIG. It moves downward from the lower surface of the guide 28. In this state, when the lever 5 moves upward by the cam plate 4 shown in FIG. 9, the lead wire guide block 40 moves upward, the guide pin rod 12 and the guide pin cartridge 19 also move upward, and the guide pin cartridge 19 moves. The lead wire guide pins 20a and 20c which largely project to the upper surface penetrate the lead wire insertion hole 23 of the circuit board 22 to hold the lower end of the lead wire 25 of the electronic component 24 supplied by the electronic component supply mechanism, and press the push rod. The electronic component 24 is inserted into the circuit board 22 by moving downward while sandwiching the electronic component 24.

Further, if the guide pin selection rod 11b is moved downward as shown in FIG.
The lead wire 25 of the electronic component 24 can be held by a and 20b.

When the guide pin turning lever 18 is swung by the cam plate 17 shown in FIG. 9, the rotary plate 14 is swung, and the guide pin rod 12 and the lead wire guide block 40 are also swung. When the insertion operation is performed in this state, the circuit board 2
The electronic component 24 can be inserted into the device 2 in a rotated state.

When the lead wire insertion holes 23 of the circuit board 22 are not formed at a prescribed pitch as shown in FIG. 14, when the lead wire guide pins 20c move upward,
The lead wire guide pin 20c is configured such that the coil spring 21 is elastically retracted and escapes downward, although the lower surface of the circuit board 22 cannot be projected onto the upper surface of the circuit board 22.

[0019]

However, in the above-mentioned conventional electronic component automatic insertion device, since the lead wire guide mechanism has the guide pin selection portion, a large space is required, and at the same time, the weight becomes heavy. Since the load on the drive unit is large and a large amount of drive energy is required, there has been a problem that it is difficult to increase the speed of inserting electronic components, which has been required in recent years.

The present invention solves the problems in such a conventional electronic component automatic insertion device, and by separating the guide pin selection portion from the lead wire guide mechanism, the lead wire guide mechanism can be made smaller and lighter, and the vertical drive portion can be achieved. Another object of the present invention is to provide an electronic component automatic insertion device capable of reducing the load on the turning drive unit and realizing a high insertion speed.

[0021]

In order to solve this problem, the present invention provides a lead wire guide which penetrates a lead wire insertion hole of a circuit board below a circuit board and holds the tip of the lead wire of an electronic component at the tip. A guide pin cartridge that holds multiple pins and a guide pin rod that connects this guide pin cartridge to the upper end and moves up and down by a guide pin up / down lever are arranged, and the lead wire guide pin is guided to the lead wire insertion hole of the circuit board. A lead wire guide pin guide is disposed, and a guide pin selection rod that is coupled to the lower end of all or one of the lead wire guide pins is disposed below the guide pin cartridge, and is engaged with the guide pin selection rod. Lead wire guide consisting of a guide pin selection part that selectively and forcibly prevents the rise of the lead wire guide pin. It is constructed by connecting the structure.

According to the present invention, the lead pin guide mechanism is separated from the lead wire guide mechanism in the electronic component automatic insertion apparatus to reduce the size and weight of the lead wire guide mechanism and to reduce the load on the vertical drive unit and the swing drive unit. Can be significantly reduced.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is an electronic device having a lead wire on a circuit board having a lead wire insertion hole for inserting a lead wire of an electronic component to be positioned and held. An electronic component supply mechanism that supplies components at predetermined positions with the lead wires on the lower side is provided, and the tip of the lead wire of the electronic component is held by the tip through the lead wire insertion hole of the circuit board below the circuit board. A guide pin cartridge that holds a plurality of lead wire guide pins and a guide pin rod that moves up and down with a guide pin up-and-down lever by connecting this guide pin cartridge to the upper end,
A lead wire guide pin guide for guiding the lead wire guide pin to the lead wire insertion hole of the circuit board is arranged, and is connected to the lower end of all or one of the lead wire guide pins below the guide pin cartridge. A guide pin selection rod is arranged, and the guide pin selection portion is configured to engage with the guide pin selection rod and selectively and forcibly prevent the lead wire guide pin from rising.
By separating the guide pin selection unit from the lead wire guide mechanism, the lead wire guide mechanism can be made smaller and lighter, and the load on the vertical drive unit and the swing drive unit can be significantly reduced and the insertion speed can be increased. Have.

According to a second aspect of the invention, in the invention of the first aspect, the position of the vertically moving lead wire guide pin moved to the lowermost end is at least above the lower surface of the lead wire guide pin guide. Is something that
When the lead wire guide pin descends, it comes out of the guide hole provided in the lead wire guide pin guide, and when the lead wire guide pin rises next time, it is not guided, or the guide hole provided in the lead wire guide pin guide is clogged with foreign matter, etc. This has the effect of eliminating the phenomenon that the lead wire guide pin is prevented from rising and allowing the lead wire guide pin to be constantly moved vertically in a stable manner.

According to a third aspect of the present invention, in the first or second aspect of the invention, the rods are connected to both ends, and a guide pin turning lever having a fulcrum at a substantially central portion is provided, and The guide pin selection rod and the guide pin selection unit are connected by connecting one to the rotation stopping member slidably mounted on the outer periphery of the guide pin rod and the other rod to the outer periphery of the guide pin selection unit. The guide pin selection rod is not twisted at the time of turning to improve the durability of the guide pin selection rod, and the guide pin selection rod is twisted to guide the lead wire. This has the effect of preventing the vertical movement of the pin from becoming unstable.

Embodiments of the present invention will be described below with reference to FIGS. 1 to 6. (Embodiment 1) FIG. 1 shows an electronic component automatic insertion apparatus according to the embodiment.

Since the same apparatus shown in FIG. 1 has basically the same configuration as the conventional apparatus shown in FIG. 9, the same components are designated by the same reference numerals and detailed description thereof will be omitted. Only different parts will be described.

In FIG. 1, reference numeral 1 denotes a cylindrical cam follower receiver, and an engaging groove 2 is formed in a part of the peripheral surface of the cam follower receiver 1. One end of the engaging groove 2 is pivotally supported and an intermediate portion is formed. The rotating cam plate 4 is brought into contact with the cam follower 3 attached to the cam follower 3, and the cam follower 6 attached to the tip of the lever 5 that moves up and down by the cam plate 4 is fitted.
A lead wire guide block 7 has a guide pin selection cylinder 8 fixed to the lead wire guide block 7. Two guide pin selection pistons 9a, 9b are incorporated in the guide pin selection cylinder 8, and rotation stoppers 10a, 10 guided by the lead wire guide block 7 are provided at the upper ends of the guide pin selection pistons 9a, 9b.
b is fixed, and guide pin selection rods 11a, 1
It is slidably engaged with the lower end of 1b.

The guide pin selection rods 11a and 11b
Is inserted into a cylindrical guide pin rod 12 having a lower end incorporated in the center of the cam follower receiver 1 and extends upward. Also, the guide pin rod 12 and the guide pin rod 1
A rotation plate 14 is slidably engaged with a rotation stopper 13 fixed to the second rotation stop member 13. Further, a rotating cam plate 17 is brought into contact with a cam follower 16 attached to one end of the rotation plate 13.
The other end of the rod 15, which is connected to one end of a guide pin turning lever 18 which is swung by 7, is connected to the outer peripheral portion of the rotary plate 14.

With the above-described structure, when the guide pin selecting piston 9a is moved downward by the guide pin selecting cylinder 8 as shown in FIG.
1a is forcibly prevented from moving upward by the rotation stopper 10a. In this state, when the lever 5 moves upward by the cam plate 4 shown in FIG. 1, the cam follower receiver 1 moves upward, the guide pin rod 12 and the guide pin cartridge 19 also move upward, and the rotation stop 10a moves upward. Guide pin selection rod 11 forcibly blocked
The lead wire guide pin 20b engaged with a elastically contracts the coil spring 21, and the lead wire guide pins 20a and 20c are largely projected to the upper surface of the guide pin cartridge 19.
The lead wire 2 of the electronic component 24 that is supplied by the electronic component supply mechanism through the lead wire insertion hole 23 of the circuit board 22.
The lower end of 5 is held, and the electronic component 24 is inserted into the circuit board 22 by moving downward while being clamped together with the push rod 26.

When the guide pin turning lever 18 is swung by the cam plate 17 shown in FIG. 1, the rotary plate 14 is swung, and the rotation stopper 13 and the guide pin rod 12 are also swung. As a result, the upper portions of the guide pin selection rods 11a and 11b are swung with elasticity due to twisting, and when the above insertion operation is performed in this state, the electronic component 24 can be inserted into the circuit board 22 in a swung state.

Further, as shown in FIG. 3, if the guide pin selection cylinder 8 moves the guide pin selection piston 9b downward, the lead wire guide pins 20a and 20b hold the lead wire 25 of the electronic component 24. You can

As described above, in the electronic component automatic insertion device according to the present embodiment, by separating the guide pin selecting portion from the lead wire guide mechanism, the lead wire guide mechanism is reduced in size and weight, and the vertical drive unit and the swivel drive unit. It is possible to significantly reduce the load of and to speed up the insertion speed.

(Embodiment 2) FIG. 4 is a sectional view showing the outline of an electronic component automatic insertion apparatus according to the embodiment, and the apparatus shown in FIG. 4 is basically shown in FIG. Since it has the same configuration as the conventional device, the same components are denoted by the same reference numerals, detailed description thereof will be omitted, and only different portions will be described.

In FIG. 4, reference numeral 8 denotes a guide pin selection cylinder. Two guide pin selection pistons 9a and 9b are incorporated in the guide pin selection cylinder 8 and the guide pin selection pistons 9a and 9b are provided at the upper ends thereof. The rotation stoppers 10a and 10b are fixedly attached, and are slidably engaged with the lower ends of the guide pin selection rods 11a and 11b.
The guide pin selection rods 11a and 11b enter into a cylindrical guide pin rod 12 having a lower end incorporated in the center of the cam follower receiver 1 and extend upward. Further, a lead wire guide pin guide 28 having an inverted funnel-shaped guide hole 27 is arranged on the lower surface of the circuit board 22 to guide the lead wire guide pins 20a to 20c.

With the above-described structure, when the guide pin selecting cylinder 8 moves the guide pin selecting piston 9a downward, the guide pin selecting rod 11a stops rotating.
The upward movement is forcibly prevented by 0a. When the guide pin rod 12 moves upward in this state, it moves to the lowermost end of the tip end portion of the lead wire guide pin 20b engaged with the guide pin selection rod 11a forcibly prevented from moving upward by the rotation stopper 10a. The coil spring 21 is elastically contracted while the above position is held above the lower surface of the lead wire guide pin guide 28.

Then, the lead wire guide pins 20a, 2 which greatly protrude from the upper surface of the guide pin cartridge 19
0c passes through the lead wire insertion hole 23 of the circuit board 22 and holds the lower end of the lead wire 25 of the electronic component 24 supplied by the electronic component supply mechanism, and moves downward while sandwiching it with the push rod 26. The electronic component 24 is inserted into the substrate 22.

With this structure, the lead wire guide pin is disengaged from the guide hole provided in the lead wire guide pin guide when the lead wire guide pin descends, and is not guided when the lead wire guide pin next rises, or the lead wire guide pin is not guided. It is possible to eliminate the phenomenon that the lead wire guide pin is prevented from rising due to foreign matter clogging the guide hole provided in the pin guide, and it is possible to obtain the effect that the lead wire guide pin can always be stably moved up and down. Is.

(Embodiment 3) FIG. 5 is a perspective view of a main part showing a configuration of an electronic component automatic insertion device according to the embodiment. The device shown in FIG. 5 is basically shown in FIG. Since it has the same configuration as the conventional device shown in the figure, the same components are designated by the same reference numerals, detailed description thereof will be omitted, and only different portions will be described.

In FIG. 5, reference numeral 14 denotes a rotary plate. The rotary plate 14 is slidably engaged with the guide pin rod 12 and the rotation stopper 13 fixed to the guide pin rod 12, and further has a substantially central portion. A guide pin swiveling lever 29 that abuts a rotating cam plate 17 on a cam follower 16 that is pivotally supported and attached to one end, and that is swung by the cam plate 17.
The other end of the rod 15 connected to the upper end of
Is connected to the outer peripheral portion of. Also, the guide pin selection unit 30
Upper and lower ends are rotatably held by brackets 31, and a rotary plate 32 is fixed to the bottom surface of the guide pin selection unit 30. The rotary plate 32 rotates with the rotary plate 14 as shown in FIG. A rod 33 is connected to the lower end of the guide pin turning lever 29 at the outer peripheral portion on the opposite side of the center.

The cam plate 1 shown in FIG. 5 is constructed as described above.
When the guide pin turning lever 29 is swung by 7, the rotary plate 14 and the rotary plate 32 are interlocked to pivot in the same direction, and the guide pin rod 12 and the guide pin selector 30 are interlocked to pivot in the same direction. As a result, the guide pin selection rods 11a and 11b pivot without twisting,
When the above-described insertion operation is performed in this state, the electronic component 24 can be inserted into the circuit board 22 in a rotated state.

With this structure, the twisting of the guide pin selection rod at the time of turning is eliminated to improve durability, and the lead wire guide pin is not vertically moved due to the twisting of the guide pin selection rod. It is possible to obtain the effect of preventing the stabilization.

In the above description, the case where the two guide pin selection rods 11a and 11b are provided for the three lead wire guide pins 20a to 20c has been described.
The number of lead wire guide pins can be increased, and the guide pin selection rods may be provided in the number corresponding to all of the lead wire guide pins. It goes without saying that screw coupling may be used instead of using the coupling groove 45 shown in FIG.

[0044]

As described above, in the electronic component automatic insertion device of the present invention, the guide pin selecting portion is separated from the lead wire guide mechanism, so that the guide pin rod can be moved up and down and the vertical driving portion at the time of turning. It is possible to reduce the load on the swivel drive unit, and is therefore very effective in speeding up the insertion speed of electronic components, and it is possible to realize a significant improvement in productivity, which is of great industrial value. is there.

[Brief description of drawings]

FIG. 1 is a perspective view of essential parts showing a configuration of an electronic component automatic insertion device according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of essential parts showing the operation of the electronic component automatic insertion device according to the same embodiment.

FIG. 3 is a sectional view of an essential part showing the operation of the electronic component automatic insertion device according to the same embodiment.

FIG. 4 is a cross-sectional view of essential parts showing the operation of the electronic component automatic insertion device according to Embodiment 2 of the present invention.

FIG. 5 is a perspective view of essential parts showing a configuration of an electronic component automatic insertion device according to a third embodiment of the present invention.

6A is a cross-sectional view of a main part showing the operation of the electronic component automatic insertion device according to the embodiment, FIG. 6B is a view taken along the line AA of FIG. 6C, and a view taken along the line BB of FIG.

FIG. 7 is a front view of a radial electronic component that is automatically inserted.

FIG. 8 is a cross-sectional view of essential parts showing the basic configuration of a conventional automatic electronic component insertion device.

FIG. 9 is a perspective view of a main part showing a configuration of a conventional electronic component automatic insertion device.

FIG. 10 is a partially cutaway perspective view showing a configuration of a guide pin cartridge of a conventional electronic component automatic insertion device.

FIG. 11 is a sectional view of an essential part showing the operation of a conventional electronic component automatic insertion device.

FIG. 12 is a sectional view of an essential part showing the operation of a conventional electronic component automatic insertion device.

FIG. 13 is a cross-sectional view of essential parts showing the operation of a conventional electronic component automatic insertion device.

FIG. 14 is a cross-sectional view of essential parts showing the operation of a conventional electronic component automatic insertion device.

[Explanation of symbols]

 1 cam follower receiver 2 engaging groove 3, 6, 16 cam follower 4, 17 cam plate 5 lever 7 lead wire guide block 8 guide pin selection cylinder 9a, 9b guide pin selection piston 10a, 10b rotation stop 11a, 11b guide pin selection rod 12 Guide pin rod 13 Rotation stop 14, 32 Rotating plate 15 Rod 18 Guide pin turning lever 19 Guide pin cartridge 20a, 20b, 20c Lead wire guide pin 21 Coil spring 22 Circuit board 23 Lead wire insertion hole 24 Electronic component 25 Lead wire 26 Push Rod 27 Guide hole 28 Lead wire guide pin guide 29 Guide pin turning lever 30 Guide pin selection part 31 Bracket 33 Rod

Claims (3)

[Claims] 1. An electronic component having a lead wire is supplied at a predetermined position with the lead wire facing downward on a circuit board having a lead wire insertion hole into which a lead wire of an electronic component to be positioned and held is inserted. And a guide pin cartridge that holds a plurality of lead wire guide pins that penetrate the lead wire insertion hole of the circuit board below the circuit board and hold the tip of the lead wire of the electronic component at the tip. This guide pin cartridge is connected to the upper end and a guide pin rod that moves up and down by a guide pin up / down lever is arranged, and a lead wire guide pin guide that guides the lead wire guide pin to the lead wire insertion hole of the circuit board is arranged. The guide pins below the guide pin cartridge are connected to all or the bottom ends of all the lead wire guide pins except one. Automatic insertion of electronic parts by arranging a selection rod and connecting a lead wire guide mechanism consisting of a guide pin selection part that engages with this guide pin selection rod to selectively and forcibly prevent the lead wire guide pin from rising apparatus. 2. The electronic component automatic insertion device according to claim 1, wherein the position of the leading end of the vertically moving lead wire guide pin moved to the lowermost end is at least above the lower surface of the lead wire guide pin guide. 3. A rotation pin having a guide pin swivel lever having a fulcrum provided substantially at the center, with each rod connected to both ends, and one of the rods being slidably mounted on the outer periphery of the guide pin rod. While connecting to the stop member,
3. The electronic component automatic insertion device according to claim 1, wherein the guide pin selection rod and the guide pin selection unit are configured to pivot in conjunction with each other by connecting the other rod to the outer peripheral portion of the guide pin selection unit.