JPH0116615B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (1) Technical Field of the Invention The present invention relates to a connector pin inserter.

(2) Prior Art and Problems Conventionally, electronic devices such as communication devices have used units in which a plurality of printed circuit board packages are accommodated in a shelf using a plug-in method. In this case, a connector is provided on the backboard of the shelf for electrical connection between the shelf and the printed circuit board package.

Conventionally, as an automatic machine for press-fitting the connector pins of this connector into a backboard, one is known that holds a plurality of connector pins arranged in a row on a chuck and press-fits the plurality of connector pins into the backboard at the same time. However, productivity improvement and
In order to improve the accuracy between the contacts of the connector pins in the row, 2.
It is desirable to press-fit a plurality of connector pins arranged in a row at the same time. Therefore, there is a demand for the development of a connector pin inserter that can press-fit two rows of connector pins at the same time.

(3) Object of the Invention Based on the above-mentioned conventional demands, the object of the present invention is to provide a connector pin inserter that can press-fit two rows of connector pins at the same time.

(4) Structure of the Invention According to the present invention, two rows of chained connector pins in which connector pins are integrally formed in a comb-teeth shape are supplied to a band-shaped carrier, and the connector pins are fed from the carrier. A connector pin inserter that is separated and press-fitted into a through-hole of a printed circuit board, which includes a pressurizing means, a press-fitting head 9, a pressing mechanism, a pin guide mechanism that guides the connector pin to the through-hole, and drives each of the above mechanisms. The pressurizing means includes a pressurizing mechanism whose upper part is supported by the inserter body, and a pressurizing head 2 suspended from the lower part of the pressurizing mechanism, and the press-fitting head 9 These include a holder suspended from the pressure head 2, a pair of clamp levers 5, 5' whose one ends are rotatably supported by the holder and extend downward, and the pair of clamp levers 5, 5. ′ is movable up and down, and the transport rail 33
a core 8 capable of clamping chained connector pins supplied from the clamp levers 5, 5' in two rows; a pair of cutting levers 6, 6' having cutting cutters capable of cutting and separating the connector pins from the carrier through windows provided in the clamp levers 5, 5';
and a clamp lever 5 provided on the holder 4,
5' opening cam 7, and the pressing mechanism is
1 which is pivotally supported on the inserter body so as to be able to press the cutting levers 6, 6' and the clamp levers 5, 5'.
The pin guide mechanism is provided with a pair of pressing levers 10 and a cam 11 that drives the pressing levers 10. The pin guide mechanism is located below the press-fitting head 9, and guides the connector pin that descends as the press-fitting head 9 descends. It is equipped with a pair of guide bars 26 and 26' which are provided so as to be openable and closable so as to guide them into the through-hole, and the driving mechanism drives the cam 7 for opening the clamp lever, the cam 11 for driving the press lever, and the pressurizing cam 7. mechanism,
This is achieved by providing a connector pin inserter characterized in that the pin guide mechanism is sequentially driven via a conductive member to press-fit a plurality of connector pins separated from a carrier into through holes of a printed circuit board. Ru.

(5) Examples of the invention Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a diagram for explaining a connector pin inserter according to the present invention, in which a shows a schematic diagram of the connector pin inserter, and b shows a perspective view of chained connector pins.

As shown in Figure A, this embodiment includes a pressurizing mechanism 3 equipped with a toggle mechanism 1 and a pressurizing head 2, a holder 4 suspended from the pressurizing head, and clamp levers 5, 5' provided on the holder. and a cutting lever 6,
6' and clamp lever opening cam 7 and core 8
A press-fitting head 9 equipped with a press-fitting head 9, a pressing mechanism equipped with a pressing lever 10 for pressing the cutting lever and clamp lever of the press-fitting head, a cam plate 11 for driving the pressing lever, and a printed board 13 for connecting connector pins 12, 12'. The pin guide mechanism 14 guides the pin to the through hole, and the drive mechanism 20 includes transmission members 15, 16, 17, 18 and a cam group 19 that drive the various mechanisms.

2 and 3 are views for explaining the structure of the press-fit head, with FIG. 2 showing an assembled perspective view and FIG. 3 showing an exploded perspective view, respectively.

In each figure, 4 is a holder, 5 and 5' are clamp levers, 5a is a clamp claw portion at the tip, and 5
b is a shaft that supports the clamp lever, 6 and 6' are cutting levers, 6a is a connector pin cutting cutter attached to its tip, 7 is a cam for opening the clamp lever, 8 is a core, and 8a is a core 8b is a movable plate that supports the arm for supporting the core; 8c is a fixed plate that slidably supports the movable plate; and 8d is an escape cylinder that drives the movable plate to move the core up and down.

FIG. 4 is an enlarged view of the clamp claw portion of the clamp lever, where a shows a front view and b shows a sectional view taken along line bb in FIG. In the figure, 5 is a clamp lever, 5a is a clamp claw portion, 6 is a cutting lever, 6a is a connector pin cutting cutter, 21 is a protrusion for guiding a connector pin, and 22 is a window through which the cutting cutter can be seen.

As shown in FIGS. 2 to 4, this press-fit head is detachably supported by the press head by inserting the pin of the press head into the holding hole 4a of the holder 4, and this holder 4 has a bearing. The clamp levers 5, 5' are swingably supported by a shaft 5b inserted into the hole 4b, and the clamp claw portion 5a at the tip is opened by rotating a cam 7 supported by the bearing hole 4c. It is now possible to do so. The clamp claw portion 5a at the tip of the clamp lever 5, 5' is the fourth
As shown in the figure, a plurality of protrusions (shown with hatching in figure a) 2 guide the connector pins.
1, and a plurality of windows 22 through which the cutting cutters 6a can be seen.

Further, as shown in FIGS. 2 and 3, the clamp levers 5, 5' are provided with bearing bosses 23, and the cutting levers 6, 6' are pivotably supported by pins 24 inserted into the bearing bosses. has been done.
The levers 6, 6' are biased in the opening direction by springs (not shown). Further, a cutter 6a having a comb-shaped blade for cutting the connector pin is attached to the tip thereof, and the tip thereof can protrude from the window 22 of the clamp claw portion 5a.

Further, a fixed plate 8c is attached to the back of the holder 4, and an escape cylinder 8d is attached to the fixed plate 8c.
A movable plate 8b which is driven up and down by the movable plate 8b is slidably supported, and a core 8 is attached to the movable plate 8b via an arm 8a.

FIG. 5 is a diagram showing a pin guide mechanism that guides connector pins to through holes in a printed board.
In the figure, 25 is an arm, 26, 26' are guide bars, 27, 27' and 28, 28' are arms that rotatably support the guide bars, and 29 is a Bowden cable.

A plurality of grooves 26a are formed in each of the guide bars 26, 26' so that the core can be held between the grooves and the two rows of connector pins can be guided by the grooves. Further, this guide bar is supported by arms 27, 28, 27', 28' which form a pair of gears, and is adapted to be opened and closed by a Bowden cable 29.

The operation of this embodiment configured as described above will be explained using FIG. 1.

First, when the core 8 is in the position shown by the chain line 8' in the figure, between the clamp levers 5 and 5', a chain-shaped connector pin 12 formed in a comb-like shape on a band-shaped carrier 31 as shown in figure b is inserted. 12' is opposite 2
It is supplied in rows on the rail 33 shown in FIG. 1 in the direction of arrow P.

When a predetermined number of pins are fed in, the core 8 is raised by the escape cylinder 8d and settled in a predetermined position.

Next, the cam plate 11 is rotated by the cam group 19 via the transmission member 16, and the pressing lever 10 is activated to press the back surface of the cutting levers 6, 6' of the press-fitting head 9. This causes the clamp lever 5.
5' holds the core 8 and connects the connector pins 12 and 1.
Clamp 2'. At the same time, the cutting lever 6,
The 6' cutting cutter separates the chained connector pins from the carrier.

Next, the toggle mechanism 1 is actuated by the cam group 19 via the transmission member 15, lowering the pressure head 2 and the press-fitting head 9, and lowering the connector pins 12 and 1.
2' is guided by the pin guide mechanism 14 and inserted into the through hole of the printed board 13.

Next, the guide bar of the pin guide mechanism 14 opens left and right, and the pressure head 2 and press-fitting head 9 further descend to press-fit the connector pins 12, 12' into the through holes.

Next, the pressure lever 10 opens, and at the same time the cam 7
is activated and the clamp lever 5 of the press-fit head is activated.
Open 5'.

Next, the pressurizing head 2 and the press-fitting head 9 are connected to the core 8.
Leaving behind, it rises and returns to its original position.

Next, the printed board 13 is moved in the direction of arrow P' by the X-Y table. As a result, the core 8 is pulled out from the group of connector pins press-fitted in two rows.

Finally, the core 8 returns to the original position of the chain line 8',
The pin guide mechanism 14 also returns to its original state and waits for the next pin press-fit. In this way, one cycle of connector pin press-fitting is completed.

(6) Effects of the Invention As explained above in detail, the connector pin inserter of the present invention is capable of press-fitting a plurality of connector pins arranged in two rows into the through holes of a printed board at the same time. This has a great effect in that assembly time can be reduced.

[Brief explanation of drawings]

Fig. 1 is a diagram for explaining the configuration of the connector pin inserter according to the present invention, Fig. 2 is an assembled perspective view of its press-fit head, Fig. 3 is an exploded perspective view of the press-fit head, and Fig. 4 is its clamp claw portion. FIG. 5 is a perspective view of the pin guide mechanism. In the drawings, 1 is a toggle mechanism, 2 is a pressure head, 3 is a pressure mechanism, 4 is a holder, 5, 5' are clamp levers, 6, 6' are cutting levers, 7 is a cam,
8 is a core, 9 is a press-fit head, 10 is a press lever,
11 is a cam plate, 12, 12' are connector pins, 1
Reference numeral 3 indicates a printed board, and reference numeral 14 indicates a pin guide mechanism.

Claims (1)

[Claims] 1. Two rows of chained connector pins, in which connector pins are integrally formed in a comb-like shape, are supplied to a band-shaped carrier, and the connector pins are separated from the carrier and inserted into through-holes of a printed circuit board. A connector pin inserter for press-fitting, comprising a pressurizing means, a press-fitting head 9, a pressing mechanism, a pin guide mechanism for guiding the connector pin to the through hole, and a drive mechanism for driving each of the above mechanisms, The pressing means includes a pressing mechanism whose upper part is supported by the inserter body, and a pressing head 2 suspended from the lower part of the pressing mechanism, and the press-fitting head 9 is suspended from the pressing head 2. a suspended holder and a pair of clamp levers 5 whose one end is rotatably supported by the holder and extends downward;
5', and is movable up and down at a position sandwiched between the ends of the pair of clamp levers 5, 5', and the chain connector pins supplied from the transport rail 33 are connected to the clamp levers 5, 5'. A core 8 that can be clamped in rows, and the clamp levers 5, 5'
a pair of cutting levers 6, 6 each having a cutting cutter rotatably supported at one end on the outside of the clamp lever 5, 5' and capable of cutting and separating the connector pin from the carrier through a window provided in the clamp levers 5, 5';', and a cam 7 for opening the clamp levers 5, 5' provided on the holder 4, and the pressing mechanism is configured to press the cutting levers 6, 6' and the clamp levers 5, 5'. The pin guide mechanism is located below the press-fitting head 9, and as the press-fitting head 9 descends, ,
A pair of guide bars 2 that can be opened and closed to guide the descending connector pins to the through holes.
6 and 26', and the drive mechanism sequentially drives the clamp lever opening cam 7, the press lever drive cam 11, the pressure mechanism, and the pin guide mechanism via a transmission member, and disconnects the clamp lever from the carrier. A connector pin inserter that press-fits a plurality of spaced apart connector pins into through holes of a printed circuit board.