JPH0766850B2 - Connector mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Outline] A connector mounting device for mounting a connector on a printed wiring board, which aims to provide a connector mounting device that has a short mounting time and does not have a possibility of bending connector pins. A mounting device for mounting on a printed wiring board, a connector comprising a connector pin, the side terminal portion of which is fixed through the insertion holes arranged on the bottom surface of the housing, and the board side terminal portion being sandwiched between the connector pins. With the connector pins held vertically at a predetermined pitch, the press-fitting head mounted on the upper part of the apparatus main body and the printed wiring board are held horizontally so that they can be driven vertically, and the selected through-hole array is An XY table for moving the printed wiring board to a position right below the press-fitting head, and a core block fitted in the housing cavity. And a pickup head mounted on the lower part of the main body of the apparatus so as to be vertically movable in a state in which the connector housing is held and the insertion hole row is located directly below the through hole row,
By driving the pickup head to press the bottom surface of the housing against the lower surface of the printed wiring board and driving the press-fitting head 20 to lower the connector pin,
The connector-side terminal portion is press-fitted and fixed to the insertion hole, and the bulge portion of the connector pin is elastically fixed and fixed to the through hole.

[Industrial application field]

The present invention relates to a connector mounting device that mounts a connector on a printed wiring board.

Printed wiring boards in which electronic components are mounted on a board at high density are widely used in electronic devices in recent years. These printed wiring boards are connected to each other or the printed wiring board and an external device are connected to each other. In general, this is done through a connector mounted on a printed wiring board.

FIG. 6 is a perspective view of a back wiring board which is one printed wiring board when the printed wiring boards are connected to each other.

In FIG. 6, a large number of connectors 10 are mounted in parallel on the printed wiring board 1 to form a back wiring board.

When the connector 10 is mounted on the printed wiring board 1, the opening side of the housing cavity faces outward and the bottom surface of the housing is in close contact with the surface of the printed wiring board 1.

The connector pin 15 of the connector 10, as shown in FIG.
Connector side terminal portion 15c protruding into the housing cavity,
The printed wiring board 1 includes a board-side terminal portion 15b protruding toward the back surface, and an elastic bulge portion 15a is provided at a boundary portion between the connector-side terminal portion 15c and the board-side terminal portion 15b, that is, at a substantially central portion of the connector pin 15. It has a needle shape.

Such a connector pin 15 is formed by pressing a belt-shaped metal plate (copper alloy such as brass, bronze, phosphor bronze) having good conductivity, and connecting the end portion of the connector side terminal portion 15c to the lead frame 16. And are manufactured in a comb-like array.

Then, by cutting along the base of the connector pin 15, that is, along the chain line AA shown in FIG. 7, the lead frame 16 and the connector pin 15 are separated, and the connector pin 15 is inserted into the connector housing 11. ing.

In addition, the parallel pitch of the connector pins 15 is determined by the printed wiring board 1
The through holes are arranged at the same pitch.

On the other hand, an elongated rectangular parallelepiped-shaped connector housing 11 manufactured by molding a synthetic resin has a rectangular parallelepiped-shaped housing cavity 14 whose longitudinal side faces are open as shown in FIG. The insertion holes 12 through which the connector pins 15 are fixed are arranged at a predetermined pitch.

The mounting state of the connector 10 will be described in detail. The connector-side terminal portion 15c of the connector pin 15 is the insertion hole 1 of the connector housing 11.
The connector pins (15) are fixed to the connector housing (11) and the connector-side terminal portions (15c) are arranged in a state of being erected in the housing cavity (14) by penetrating and press-fitting the two.

Further, the bulge portion 15a is press-fitted into the through hole 2 of the printed wiring board 1, the bulge portion 15a elastically contacts the inner wall of the through hole, the connector pin 15 is fixed to the printed wiring board 1, and the board-side terminal portion 15b is The printed wiring boards 1 are arranged so as to project from the back surface and stand upright.

That is, the connector 10 shown in FIG. 6 is mounted on the printed wiring board 1 by fixing the connector housing 11 and the printed wiring board 1 via the connector pins 15.

Since the connector 10 is mounted on the printed wiring board 1 as described above, when a printed board connector mounted on the side edge of another printed wiring board (not shown) is connected to the board side terminal portion row of the connector pin 15, The printed wiring boards can be mounted on the back wiring board in parallel at right angles. The printed wiring boards can be connected to each other through the pattern of the back wiring board.

Further, by inserting the Bragg side connector into the housing cavity 14 side of the connector 10, the back wiring board and the external device, or the printed wiring board mounted on the back wiring board and the external device can be connected.

[Conventional technology]

FIG. 8 is a sectional view showing a conventional connector mounting method.

Conventionally, first, by using a clamp jig of a connector mounting device (not shown), the board side terminal portion 15b of the connector pin 15 is sandwiched, and a desired number of connector pins 15 are arranged at pitch intervals equal to the parallel pitch of the through holes 2. Hold in line with. After that, the connector pin 15 and the lead frame are separated using a cutting blade.

The clamp jig is mounted on a slider that is provided above the XY table and is driven in the vertical direction.

On the other hand, the printed wiring board 1 is horizontally attached to, for example, an XY table in advance.

Then, the slider is driven to lower the above-mentioned clamp jig holding the connector pin 15, and the connector side terminal portion
The connector pin 15 is inserted into the printed wiring board 1 by penetrating the through hole 2 with 15c and elastically contacting the bulge portion 15a with the inner wall of the through hole 2.

This is repeated for all the through hole rows of the printed wiring board 1 in order, and the connector pins 15 are first inserted into the printed wiring board 1.

After that, the housing bottom surface 13 is made to face the back surface of the printed wiring board 1, the insertion hole 12 is aligned with the corresponding tip side terminal portion 15c of the connector pin 15, and the connector housing 1 is manually operated.
The connector housing 11 is printed by pressing 1 onto the printed wiring board 1, bringing the housing bottom surface 13 into close contact with the printed wiring board 1, and press-fitting and fixing the tip side terminal portion 15c close to the bulge portion 15a into the insertion hole 12. It is fixed to the wiring board 1.

[Problems to be Solved by the Invention]

As described above, the conventional connector mounting method includes gripping the connector pin 15, separating the lead frame from the connector pin,
Although the series of steps of press-fitting the connector pin is almost automated, the press-fitting step of the connector housing 11 is a manual operation.

Therefore, it takes time not only to align the insertion hole 12 of the connector housing 11 with the tip of the corresponding connector pin 15, but also due to the length of the connector-side terminal portion 15c, depending on how the connector housing 11 is pressed. Had a problem that the connector-side terminal portion 15c was bent.

The present invention was created in view of these points, and has a short mounting time, and there is no fear that the connector pins will bend.
An object is to provide a connector mounting device.

[Means for Solving the Problems]

In order to achieve the above object, the present invention provides a connector including a connector housing 11 and a connector pin 15 in which a connector-side terminal portion 15c penetrates and is fixed to an insertion hole 12 arranged in a housing bottom surface 13, and a printed wiring board 1 As shown in FIG. 1, the mounting head 20 is vertically driven with the desired number of connector pins 15 held vertically at a predetermined pitch, as shown in FIG. Provided on the top of the main body.

Further, an XY table 30 that holds the printed wiring board 1 horizontally and drives so that the selected through-hole row is located directly below the press-fitting head 20 is mounted below the press-fitting head 20.

On the other hand, when the core block 42 is fitted into the housing cavity 14 to hold the connector housing 11, and the insertion head row is positioned directly below the through hole row, the pickup head 40 that can be driven in the vertical direction is provided in the device. Attach the bottom of the body.

Then, the pickup head 40 is driven to raise the connector housing 11, press the housing bottom surface 13 against the lower surface of the printed wiring board 1, and drive the press-fitting head 20 downward to drive the connector-side terminal portion 15c into a through hole. 2 and the insertion hole 12 so that the connector side terminal portion 15c is inserted into the insertion hole 12c.
The bulge portion 15a of the connector pin 15 is elastically contacted and fixed to the through hole 2.

[Action]

By driving the XY table 30 as described above, it is extremely easy to position the through hole row in which the connector 10 is to be mounted, directly below the press-fitting head 20.

Further, the press-fitting head 20 and the pickup head 40 are simultaneously driven so that the housing bottom surface 13 is pressed and brought into close contact with the back surface of the printed wiring board 1, and the insertion hole row of the connector housing 11 is aligned with the through hole row of the printed wiring board 1. In the state
The connector pin 15 descends, the connector side terminal portion 15c penetrates the through hole 2 and the insertion hole 12, and the connector pin 15 is fixed to the printed wiring board 1 and the connector housing 11.

Therefore, the step of pressing the connector housing and the step of inserting the connector pins are performed almost at the same time, and as shown in FIG. 2, a connector having a desired number of connector pins 15 can be mounted on the printed wiring board 1 in an extremely short time. Can be installed.

On the other hand, in the connector-side terminal portion 15c, the through hole 2 and the insertion hole 12 communicate with each other, and the connector side terminal portion 15c is inserted into one through hole, so that the connector pin 15 does not bend.

Moreover, the mounting time of the connector is extremely short.

〔Example〕

The present invention will be specifically described below with reference to the drawings. The same reference numerals denote the same objects throughout the drawings.

2 is a cross-sectional view showing a state in which a connector is mounted on a printed wiring board, FIG. 3 is a view of an embodiment of the present invention, (a) is a side view configuration diagram, (b) is a front view of an index table. It is a figure. Further, FIG. 4 is a perspective view of an essential part of a press-fitting head according to an embodiment of the present invention, and FIG. 5 is a perspective view of an essential part of a pickup head according to an embodiment of the present invention.

The connector 10 according to the present invention, as shown in FIG.
Connector side terminal part 15c, bulge part 15a, board side terminal part 15b
And a predetermined number of connector pins 15 and a connector housing 11.

And, the connector side terminal portion 15c near the bulge portion 15a,
By press-fitting and fixing to the insertion hole 12 of the connector housing 11 and elastically fixing and fixing the bulge portion 15a to the through hole 2 of the printed wiring board 1, the bottom surface 13 of the housing is brought into close contact with the back surface of the printed wiring board 1 and the inside of the housing cavity 14 is closed. On the connector side
15c are arranged in parallel, and the board-side terminal portion 1 is provided on the front surface side of the printed wiring board 1.
The printed circuit board 1 is mounted with the protrusions 5b juxtaposed in parallel.

As described above, the connector mounting apparatus according to the present invention, in which the connector 10 is mounted on the printed wiring board 1, includes a press-fitting head 20 that holds a predetermined number of connector pins 15 in a row at a pitch equal to the parallel pitch to the connector. As shown in FIG. 3, it is provided on the upper part of the apparatus main body.

The press-fitting head 20 allows the connector pins 15 fed horizontally with the lead frame to be placed on the board-side terminal portion 15 in the horizontal state.
After gripping b and separating the lead frame,
It is configured to rotate 90 degrees about the axis 9 and hold the connector pin 15 vertically with the connector side terminal portion 15c facing downward.

The mechanism for imparting the push-in motion of the connector pin to the press-fitting head 20 is as follows.

A guide for sliding the lower slider 65 and the upper slider 66 in the vertical direction on the same straight line is provided above the press-fitting head 20, and the lower part of the lower slider 65 and the upper bottom part of the press-fitting head 20 are provided. Link.

On the other hand, the lower slider 65 and the upper slider 66 are connected to each other via a follower 63 that performs a link motion of extending straight or bending in a V shape. Then, the roller 61 is fitted into the groove 60a of the end face cam 60 which is rotationally driven, and the roller 6
The one follower 63 is connected via the intermediate follower 62.

Therefore, by rotationally driving the end surface cam 60, the lower slider 65 and the upper slider 66 move vertically toward and away from each other, and the press-fitting head 20 also moves vertically together with the lower slider 65.

As shown in FIG. 4, the press-fitting head 20 has a head body 21 (the head body 21 is a rotary shaft shown in FIG. 3).
It rotates in a horizontal state and a vertical state about 29 as an axis, and vertically moves by a guide (not shown). ) Is a fixed-side member having V-grooves 23 arranged at the tip in a line at a predetermined pitch.
22 is provided.

Further, a clamp plate 25 having a pressing finger 24 for pressing the connector pin 15 in the V groove 23 and a clamp plate 25 arranged at the tip end is used as a fixed member.
It is provided opposite to 22. The clamp plate 25 is horizontally pivoted above the fixed-side member 22 by a support plate piece 27 and is connected to a movable rod of a cylinder 26.

When the cylinder 26 is driven, the support plate piece 27 swings to move the clamp plate 25 obliquely downward and forward, and the tip of the pressing finger 24 is press-fitted into the V groove 23.

Connector pins in which the base of the connector-side terminal portion 15c is connected to the lead frame 16 and arranged in a comb shape on the lead frame 16.
15 is fed horizontally above the fixed-side member 22 as described above, and when the board-side terminal portions 15b are located above the V-grooves 23, the transfer of the connector pins is stopped.

Then, the cylinder 26 is driven to insert the vicinity of the bulge portion 15a of each board-side terminal portion 15b into the V groove 23, and the connector pin 15 is held between the pressing finger 24 and the fixed-side member 22.

After holding the connector pins 15, the base of the connector-side terminal portion 15c is cut by a cutter (not shown) so that each connector pin 15 is separated from the lead frame 16.

Returning to FIG. 3, the XY table 30 will be described.

Below the press-fitting head 20, an XY table 30 is provided which holds the printed wiring board 1 horizontally and is driven in a desired XY plane by numerical control means (not shown).

Therefore, according to the order previously input to the numerical control device, X-
By driving the Y table 30 as desired, the printed wiring board 1 can be moved as desired in the X-axis and Y-axis directions, and the through-hole row on which the connector 10 is mounted can be sequentially positioned immediately below the press-fitting head 20. .

On the other hand, the pickup head 40, which holds the connector housing 11 by inserting the core block into the housing cavity, has a desired rotation below the XY table 30 about the horizontal axis as shown in FIG. Index table 50 that rotates step by angle (60 degree step angle in the figure)
, A plurality (six in the figure) are mounted on the disc surface.

The pickup head 40 holds the connector housing 11 at a position directly below the index table, the index table 50 rotates, and the insertion hole row parallel to the connector housing 11 is located directly below the through hole row of the printed wiring board 1. In this state, the bottom surface of the housing faces upward, and the housing is stopped.

As shown in FIG. 5, a core block 42 fitted into the housing cavity 14 is provided on the upper end surface of the head body 41, and a leaf spring 43 is elastically contacted with the outer surface of the side wall of the connector housing 11.
Is provided.

Therefore, the connector housing 11 is attached to the pickup head 40.
When pressed, the core block 42 is inserted into the housing cavity 14 and the upper end surface is in contact with the inner surface of the housing bottom,
The leaf spring 43 elastically contacts the side wall of the connector housing 11 to hold the connector housing 11.

Therefore, when the index table 50 rotates and stops when the mounting position of the pickup head 40 stops at a position facing the printed wiring board 1, the housing bottom surface 13 becomes horizontal upward, and the insertion hole row becomes the through hole row of the printed wiring board 1. opposite.

The mechanism for holding the connector housing 11 and the mechanism for pressing the connector housing 11 against the back surface of the printed wiring board 1 are
It is constructed as shown in FIG.

Guide blocks 46 are mounted on the circumference of the end surface of the index table 50 at equal pitches, and a mounting pickup head 40 is mounted so as to be slidable in the guide blocks 46 in the radial direction for a predetermined stroke length.

The core block 42 faces the outside of the index table 50, and the index table 50 is always operated by spring force.
The pickup head 40 is attached so as to be pulled toward the center of the pickup 50.

Therefore, it is sequentially transferred to the position corresponding to the pickup head 40 just below the index table 50 with the opening side of the housing cavity facing upward.

The lever 51 is swingably supported by the support shaft 52.
When one of the end portions is driven to move upward by driving the pickup cylinder 53, the end portion of the lever 51 taps the bottom portion 45 of the pickup head 40.

As a result, the core block is inserted into the connector housing 11
The pickup head 40 holds the connector housing 11 by the elastic contact of the leaf spring.

On the other hand, directly below the printed wiring board 1, the pickup head 40
A guide that guides the slider 55 in the vertical direction is provided at a position below. Further, a link that is connected to the slider 55 and that extends straight or bends in a dogleg shape is provided, and this link is connected to the pressure welding cylinder 56.

Therefore, by driving the pressure welding cylinder 56,
The slider 55 reciprocates vertically.

Therefore, the index table 50 is stopped in a state in which the pickup head 40 holding the connector housing 11 is rotatably transferred directly below the printed wiring board 1, and the pressure welding cylinder is stopped.
When 56 is driven, the upper portion of the slider 55 pushes the bottom portion 45 of the pickup head 40 to push up the pickup head 40, and the housing bottom surface 13 of the connector housing 11 is brought into pressure contact with the back surface of the printed wiring board 1.

Since the present invention is configured as described above, the pickup head 40 holds the connector housing 11, and the press-fitting head 20 holds the connector pins 15 in a line, so that the press-fitting head
20 and the pick-up head 40 are driven and positioned correspondingly via the printed wiring board 1.

After that, the press-fitting head 20 and the pickup head 40 are driven at the same time, the housing bottom surface 13 comes into close contact with the back surface of the printed circuit board 1, and the insertion hole array of the connector housing 11 is aligned with the through hole array of the printed circuit board 1. In this state, the connector-side terminal portion 15c penetrates the through hole 2 and the insertion hole 12 and is press-fitted. Therefore, the connector pin 15 is fixed to the printed wiring board 1 and the connector housing 11.

That is, the step of pressing the connector housing and the step of inserting the connector pins are performed almost simultaneously, and the connector having the desired number of connector pins 15 is mounted on the printed wiring board 1 in an extremely short time.

By repeating this for all the through-hole rows arranged on the printed wiring board 1, the connector 10 can be mounted on the printed wiring board 1 in parallel as desired.

〔The invention's effect〕

INDUSTRIAL APPLICABILITY As described above, the present invention is a connector mounting apparatus configured such that the pressing step of the connector housing and the inserting step of the connector pins are performed almost at the same time, and a connector having a desired number of connector pins is extremely short. Since it can be mounted on a printed wiring board at any time, and the connector-side terminal portion is configured such that the through hole and the insertion hole communicate with each other and are inserted into one through hole, the connector pin is bent. It has an excellent effect in practical use that there is no fear of it.

[Brief description of drawings]

FIG. 1 is a diagram for explaining the principle of the present invention, FIG. 2 is a sectional view showing a state in which a connector is mounted on a printed wiring board, FIG. 3 is a diagram of an embodiment of the present invention, and (a) is a side view. FIG. 4B is a front view of the index table, FIG. 4 is a perspective view of a main part of a press-fitting head according to an embodiment of the present invention, and FIG. 5 is a perspective view of a main part of a pickup head according to an embodiment of the present invention. FIG. 6 is a perspective view of a back wiring board, FIG. 7 is a perspective view of a connector pin, and FIG. 8 is a sectional view showing a conventional mounting method. In the figure, 1 is a printed wiring board, 2 is a through hole, 10 is a connector, 11 is a connector housing, 12 is an insertion hole, 13 is a housing bottom surface, 14 is a housing cavity, 15 is a connector pin, 15a is a bulge portion, and 15b is Board side terminal part, 15c connector side terminal part, 16 lead frame, 20 press fit head, 30 XY table, 40 pickup head, 42 core block, 43 leaf spring, 50 index table, Reference numerals 60 denote end cams, respectively.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Hideaki Terauchi 1015 Kamiodanaka, Nakahara-ku, Kawasaki City, Kanagawa Prefecture, Fujitsu Limited (72) Inventor Yoshiaki Kawasaki, 3-9-18 Shin-Yokohama, Kohoku Ward, Yokohama City, Kanagawa Prefecture, Fujitsu No. (1) In communication software Co., Ltd. (72) Inventor Koji Nagata 3-9-18 Shin-Yokohama, Kohoku-ku, Yokohama-shi, Kanagawa Fujitsu Dai-ichi Communication Software Co., Ltd.

Claims (1)

[Claims] 1. A connector comprising a connector housing (11) and a connector pin (15) through which an connector-side terminal portion (15c) is fixed by penetrating an insertion hole (12) arranged on a bottom surface (13) of the housing. A mounting device to be mounted on a board (1), which can be driven vertically while holding a board-side terminal (15b) and holding a desired number of the connector pins (15) vertically at a predetermined pitch. The press-fitting head (20) mounted on the upper part of the main body of the apparatus and the printed wiring board (1) are held horizontally, and the selected through-hole array is positioned directly below the press-fitting head (20). An XY table (30) for moving the printed wiring board (1) as desired, and a core block (42) fitted into the housing cavity (14) to hold the connector housing (11) and to insert a row of insertion holes. Is located directly below the through hole row In this state, a pickup head (40) mounted on the lower part of the apparatus main body so as to be vertically driven is provided, and the pickup head (40) is driven to move the housing bottom surface (13) to the printed wiring board. The connector-side terminal portion (15) is brought into contact with the lower surface of (1) by driving the press-fitting head (20) to lower the connector pin (15).
c) is press-fitted and fixed to the insertion hole (12), and the bulge portion (15a) of the connector pin (15) is elastically fixed and fixed to the through hole (2). apparatus.