JPH0319279Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a component insertion device for assembling pin-shaped components, and particularly to a plug pin insertion device for inserting plug pins into printed wiring boards. This invention relates to a plug pin chuck device suitably used for.

[Conventional technology]

Various plug pin insertion devices have been devised for inserting plug pins into printed wiring boards.
However, in both cases, the aligned plug pins are mechanically conveyed to a predetermined position, transferred to a chuck of an insertion device, and then inserted into a printed wiring board, which makes them large and unavoidable. This method is expensive, and cannot be incorporated into an automatic electronic component insertion device as a single unit.

[Problem that the invention attempts to solve]

The present invention aims to provide a compact and inexpensive automatic plug pin insertion device that can be incorporated into an automatic electronic component insertion device. This invention relates to a plug pin chuck device.

[Means for solving problems]

In order to solve the above-mentioned problems, the present invention uses an air chute to transport the plug pin.
A chuck device that receives and holds a plug pin conveyed by an air chute is equipped with a pair of chuck pawls having a recessed portion for holding a rod-shaped part (plug pin) conveyed by an air chute, and a biasing device that always biases the chuck pawls in the closing direction. The device is configured to include a force means and a sensor for detecting the presence or absence of a component provided at the lower end of the recess for holding the rod-shaped component of the chuck claw.

[Effect]

The plug pins are aligned at a position remote from the component insertion device (plug pin assembly head) according to the present invention, and are conveyed through the air chute at the required timing. The transported plug pin fits into a recess provided in a pair of chuck claws and is held therein.
At this time, the presence or absence of the plug pin is detected by a sensor for detecting the presence or absence of parts provided at the lower end of the recess, and the conveyance of the plug pin by the air chute is confirmed. When inserting into a printed wiring board, the insertion arrow descends from above, opening the chuck claw and releasing the plug pin from holding it.

〔Example〕

Hereinafter, embodiments of the present invention will be described based on the drawings.

FIG. 1 is a cross-sectional view showing one embodiment of the present invention, and FIG. 2 is a cross-sectional view taken from FIG. In the figure, 1 is an air shoot pipe connected to a component supply device (not shown) that aligns plug pins W and supplies them at a predetermined timing.
It is connected to the. The Y-shaped block 2 has a vertical hole 17 through which the insertion arrow 11 passes, as shown in the figure.
A hole 18 for parts supply is formed which branches diagonally upward from the hole 18, and a chuck lever 5, which is swingably attached to the assembly head main body 3 with pivots 4, is formed at the lower end thereof. The tips of chuck claws 6, 6 fixed to 5 are arranged. The chuck levers 5, 5 are biased by a spring 7 in a direction in which the chuck pawls 6, 6 close each other, and a stopper screw 9 provided on the chuck lever 5 is brought into contact with a stopper seat 8 provided on the assembly head body 3. By contacting them, the positions of the tips of the chuck claws 6, 6 are determined.

At the tip of the chuck claws 6, 6, there is an air shoot 1.
A recess 10 is formed to receive and hold the plug pin W conveyed therein. This recess 10 is
It is formed across both of the pair of chuck pawls 6, 6, and forms one recessed portion when the chuck pawls 6, 6 are closed.

Above this recess 10, there is provided an insertion arrow 11 that passes through the Y-shaped block 2 and moves up and down as described above, and its upper end is connected to a drive device that moves up and down the insertion head of an automatic electronic component insertion device. A vertical shaft 12 driven vertically by a common drive device (not shown)
is connected to.

The insertion arrow 11 is hollow, and a fitting hole 13 for fitting a plug pin W is formed at the lower end, and the other portion is connected to a vacuum source (not shown) by a connector 14 provided at the upper end. It serves as an air passageway.

The chuck claws 6, 6 are provided with a small hole 15 that passes through the recess 10 laterally, and photoelectric detection devices 16, 16 for detecting the presence or absence of components are attached to both ends of the hole 15.

In this embodiment, the front surface of the Y-shaped block 2 is a removable mounting plate 19, which is used to remove burrs during machining at the intersection of the vertical through hole 17 and the diagonal component supply hole 18. This makes it easy to remove burrs and burrs.

Next, the effect will be explained.

Plug pins supplied at a predetermined timing from a component supply device (not shown) pass through the air shoot pipe 1, reach the Y-shaped block, pass through the component supply hole 18, and then connect to the chuck claw 6 as shown in FIG. , 6 are held in the recesses 10. Here, the presence or absence of the plug pin W is detected by the photoelectric detection devices 16, 16, and when the plug pin W cannot be detected,
As a transport error, transport the plug pin again, or stop the machine and wait for the operator to check. When the plug pin W is detected, the conveyance has been reliably performed, so the vertical shaft 12 descends in synchronization with the operation timing of the automatic electronic component insertion device, and the insertion arrow 11 also descends accordingly. At the same time, the air passage of the insertion arrow 11 is connected to a vacuum source (not shown) via the connector 14, and descends while sucking the upper end of the plug pin with the fitting hole 13 at the tip. When the tip of the insertion arrow 11 reaches the upper end of the plug pin W, the plug pin W is attracted and fitted into the fitting hole 13.

When the insertion arrow 11 further descends, the tip of the insertion arrow 11 comes into contact with the shoulder of the plug pin W, and the insertion arrow 1
1 descends, the chuck claws 6, 6 are pushed apart against the biasing force of the spring 7, and the plug pin W is pushed out and inserted into the insertion hole of the printed wiring board P.

[Effect of idea]

Since the present invention is configured as described above, the configuration is simple and inexpensive, and furthermore, it can be incorporated into an automatic electronic component insertion device without making any special changes.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which FIG. 1 is a cross-sectional view, and FIG. 2 is a cross-sectional view taken from FIG. 1. 1...Pipe for air shoot, 2...Y block, 6...Chuck claw, 7...Spring,
10... recess, 11... insertion arrow, 16... photoelectric detection device.

Claims (1)

[Scope of utility model registration request] A pair of chuck claws each having a concave portion for holding a bar-shaped component conveyed by an air chute, a biasing means for biasing the chuck claws in a closing direction, and a pair of chuck claws provided at the lower end of the concave portion for holding the bar-shaped component of the chuck claw. A chuck device for a component insertion device, characterized in that it has a sensor for detecting the presence or absence of components.