JPH02226679A - Connector packaging device - Google Patents

Abstract

PURPOSE:To enable mounting a connector having the desired number of connector pins on a printed circuit board quickly by operating almost concurrently a connector housing pressing process and a connector pin insertion process. CONSTITUTION:When a printed circuit board 1 is mounted with a connector comprising connector pins 15 for passing and fixing a connector side terminal part 15c through insertion holes 12 arrayed on a housing bottom 13, and a connector housing, a pressing head 20 for clamping the pins 15, vertically retaining the desired number of the pins 15 and vertically actuating the pins 15 is provided on the top of a device body. Also, an XY table 30 for driving the printed circuit board 1 horizontally and causing a selected through hole row to come just below the head 20 is provided under the head 20. On the other hand, a pickup head 40 is provided under the body in such a way that a housing 11 is retained via the coupling of a core block 42 to a housing cavity 14 and the housing 11 is vertically driven while kept just below a through hole row for pin insertion.

Description

[Detailed Description of the Invention] [Summary] The present invention relates to a connector mounting device for mounting a connector on a printed wiring board, and the object of the present invention is to provide a connector mounting device that requires a short mounting time and is free from the risk of connector pins being bent. The mounting device mounts a connector consisting of a connector housing and connector pins that pass through insertion holes arranged on the bottom surface of the housing and a connector housing on a printed wiring board, and the mounting device mounts a connector on a printed wiring board, and the mounting device mounts a connector on a printed wiring board, and inserts a desired number of the connectors by sandwiching the terminal portion on the board side. While the pins are held vertically at a predetermined pitch, a press-fitting head mounted on the top of the device main body that can be driven vertically and the printed wiring board are held horizontally, and the selected through-hole row is inserted into the press-fitting head. An x-y table moves the printed wiring board as desired so that it is located directly below the head, and a core block is fitted into the housing cavity to hold the connector housing, and the insertion hole row is connected to the through hole row. A pickup head is installed at the bottom of the main body of the device so that it can be driven in the vertical direction while being located directly below the device, and the pickup head is driven to press the bottom surface of the housing against the bottom surface of the printed wiring board. At the same time, by driving the press-fitting head 20 to lower the connector pin,
The connector side terminal portion is press-fitted and fixed into the insertion hole, and the bulge portion of the connector pin is elastically fixed into the through hole.

[Industrial application field]

The present invention relates to a connector mounting apparatus for mounting a connector on a printed wiring board.

In recent years, electronic devices have widely used printed wiring boards with electronic components mounted on the board at high density. This is generally done through a connector mounted on a printed wiring board.

FIG. 6 is a perspective view of a back wiring board, which is one of the printed wiring boards when interconnecting the printed wiring boards.

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

As shown in FIG. 7, the connector pin 15 of the connector 10 has a connector side terminal portion 15 that projects into the housing cavity.
c and a board-side terminal part 15b protruding toward the back side of the printed wiring board l, and an elastic bulge is formed at the boundary between the connector-side terminal part 15c and the board-side terminal part 15b, that is, approximately at the center of the connector pin 15. It is needle-shaped and has a section 15a.

Such a connector pin 15 is made by pressing a highly conductive band-shaped metal plate (copper-based alloy such as brass, bronze, or phosphor bronze), and connecting the end of the connector side terminal portion 15c to the lead frame 16. They are manufactured in a comb-like arrangement.

Then, the connector pin 15 is cut along the root, that is, along the chain line A-A shown in FIG. It has become.

Note that the parallel pitch of the connector pins 15 is equal to the arrangement pitch of the through holes of the printed wiring board 1.

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

To describe the mounting state of the connector 10 in detail, the connector pin 1
The connector side terminal portion 15c of No. 5 is connected to the connector housing 1.
The connector pin 15 is press-fitted and passes through the insertion hole 12 of 1.
are fixed to the connector housing 11, and the connector-side terminal portions 15c are arranged in an upright state within the housing cavity 14.

Further, the bulge 15a is press-fitted into the through hole 2 of the printed wiring board 1, the bulge 15a comes into elastic contact with the inner wall of the through hole, the connector pin 15 is fixed to the printed wiring board 1, and the board side terminal part 15b They are arranged in an upright manner protruding from the back surface of the printed wiring board 1.

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 through 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 row of connector pins 150, the printing The wiring board can be mounted in parallel at right angles to the back wiring board. and,
Printed wiring boards can be connected to each other via the back wiring board pattern.

Furthermore, by inserting a plug-side connector into the housing cavity 14 side of the connector 10, it is possible to connect the back wiring board and an external device, or the printed wiring board mounted on the back wiring board and an external device.

[Conventional technology]

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

Conventionally, first, a clamp jig of a connector mounting device (not shown) is used to attach the board side terminal portion 15b of the connector pin 15.
A desired number of connector pins 15 are held in a row at pitch intervals equal to the parallel pitch of the through holes 2. Thereafter, the connector pin 15 and the lead frame are separated using a cutting blade.

Note that this clamp jig is attached to a slider provided above the XY table and driven in the vertical direction.

On the other hand, the printed wiring board 1 is previously mounted horizontally on, for example, an X-Y table.

Then, the slider is driven to lower the clamp jig holding the connector pin 15, and the connector side terminal part 15c is passed through the through hole 2, and the bulge part 15
The connector pin 15 is inserted into the printed wiring board 1 by making elastic contact with the inner wall of the through hole 2.

The connector pins 15 are first inserted into the printed wiring board 1 by repeating these steps in sequence for all the through-hole rows of the printed wiring board 1.

After that, the housing bottom surface 13 is opposed to the back surface of the printed wiring board 1, the insertion hole 12 is aligned with the tip end terminal part 15c of the corresponding connector pin 15, and the connector housing 11 is manually pressed against the printed wiring board 1, and the housing The bottom surface 13 is brought into close contact with the printed wiring board 1, and the bulge portion 15 is
The connector housing 11 is fixed to the printed wiring board 1 by press-fitting and fixing the connector-side terminal portion 15c adjacent to the insertion hole 12 into the insertion hole 12.

[Problem to be solved by the invention]

As mentioned above, in the conventional connector mounting method, the series of steps of gripping the connector pin 15, separating the lead frame and the connector pin, and press-fitting the connector pin are largely automated. The press-fitting process was done manually.

Therefore, the insertion hole 12 of the connector housing 11 is
Not only does it take time to align the ends of the corresponding connector pins 15, but also because the connector side terminal portions 15c are long, the connector side terminal portions 15c may bend depending on how the connector housing 11 is pressed. There was an opening point.

The present invention was created in view of these points, and has a short mounting time (and no risk of bending the connector pins).
The purpose is to provide a connector mounting device.

[Means to solve the problem]

In order to achieve the above object, the present invention provides a connector consisting of a connector housing 11 and connector pins 15 to which connector-side terminal portions 15c penetrate insertion holes 12 arranged on the bottom surface 13 of the housing and are fixed thereto. When installing the connector pin 1, as shown in the first part,
A press-fitting head 20 is provided at the top of the main body of the apparatus, and is driven vertically while holding a desired number of connector pins 15 vertically at a predetermined pitch.

Further, an X-Y table 30 is mounted below the press-fit head 20 for holding the printed wiring board 1 horizontally and driving it so that the selected through-hole row is positioned directly below the press-fit head 20.

On the other hand, the connector housing 11 is held by the core block 42 fitting into the housing cavity 14, and the pickup head 40, which can be driven in the vertical direction with the insertion hole row located directly below the through hole row, is installed in the device. Attach to the bottom of the main unit.

Then, the pickup head 40 is driven to raise the connector housing 11 and press the housing bottom surface 13 to the bottom surface of the printed wiring board 1.
is driven down, the connector side terminal portion 15c is passed through the through hole 2 and the insertion hole 12, and the connector side terminal portion 1 is inserted.
5c is pushed into the insertion hole 12 and secured, and the bulge 15a of the connector pin 15 is elastically secured to the through hole 2.

[Effect]

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

In addition, the press-fit head 20 and the pickup head 40 are driven simultaneously, so that the housing bottom surface 13 is pressed closely against 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 this state, the connector pin 15 is lowered, the connector side terminal portion 15c passes through 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. be.

Therefore, the process of pressing the connector housing and the process of inserting the connector pins are performed almost simultaneously, and as shown in FIG. It can be installed.

On the other hand, since the connector-side terminal portion 15c communicates with the through-hole 2 and the insertion hole 12, as if inserted into one through-hole, there is no risk of the connector pin 15 being bent.

Furthermore, the time required to mount the connector is extremely short.

〔Example〕

The present invention will be specifically described below with reference to the drawings. Note that the same reference numerals indicate the same objects throughout the figures.

FIG. 2 is a sectional view showing a printed wiring board with a connector mounted thereon, and FIG. 3 is a diagram of an embodiment of the present invention, in which (a) is a side view of the configuration, and (b) is a front view of the index table. It is a diagram. FIG. 4 is a perspective view of a main part of a press-fit 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.

The connector 10 according to the present invention, as shown in FIG. has been done.

Then, the connector side terminal portion 15 near the bulge 15a
c is firmly fixed to the insertion hole 12 of the connector housing 11, and the bulge 15a is elastically fixed to the through hole 2 of the printed wiring board 1, so that the housing bottom surface 13 is tightly attached to the back surface of the printed wiring board 1, and the housing With the connector side terminal parts 15c arranged in parallel in the cavity 14, and the board side terminal parts 15b protruding and arranged in parallel on the surface side of the printed wiring board 10,
It is mounted on a printed wiring board 1.

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

The press-fitting head 20 grips the board-side terminal portion 15b of the connector pin 15 fed horizontally with a lead frame in the horizontal state, and then separates the lead frame.
It is configured to rotate 90 degrees about the rotation shaft 29 and hold the connector pin 15 vertically with the connector side terminal portion 15c facing down.

The mechanism for applying the pushing motion of the connector pin to the press-fitting head 20 is as follows.

A guide is provided above the press-fitting head 20 to allow the lower slider 65 and the upper slider 66 to slide vertically on the same straight line, and the lower part of the lower slider 65 and the upper bottom of the press-fitting head 20 are connected. Link.

On the other hand, the lower slider 65 and the upper slider 66 are
They are connected via a follower 63 that performs a link movement that extends straight or bends in a curved shape. Then, the roller 61 is fitted into the groove 60a of the end face cam 60 that is rotationally driven, and the roller 61 and the follower 63 are connected via the intermediate follower 62.

Therefore, by rotationally driving the end cam 60,
Since the lower slider 65 and the upper slider 66 move toward and away from each other in the vertical direction, the press-fit head 20 also moves up and down together with the lower slider 65.

As shown in FIG. 4, the structure of the press-fit head 20 includes a head main body 21 (this head main body 21 rotates horizontally and vertically around a rotation shaft 29 shown in FIG. 3,
Further, the vertical movement is performed by a guide (not shown). ) is provided with a fixed side member 22 having grooves 23 arranged in a line at a predetermined pitch at its tip.

Further, a clamp plate 25 having pressing fingers 24 for pressing the connector pin 15 in the groove 23 arranged at its tip is provided opposite the fixed side member 22. This clamp plate 2
5 is horizontally pivoted above the fixed side member 22 by a support plate piece 27 and is connected to a movable rod of the cylinder 26.

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

The base of the connector side terminal portion 15c is connected to the lead frame 1.
6 and arranged in a comb shape on the lead frame 16 are fed in a horizontal state above the fixed side member 22 as described above, and the board side terminal portions 15b are placed above the respective grooves 23. Once in position, stop transporting the connector pins.

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

After the connector pins 15 are clamped, each connector pin 15 is separated from the lead frame 16 by cutting the base of the connector side terminal portion 15c using a cutter (not shown).

Returning to FIG. 3, the X-Y table 30 will be explained.

An X-Y table 30 is provided below the press-fitting head 20 to hold the printed wiring board 1 horizontally and to drive it within the X-Y plane as desired by numerical control means (not shown).

Therefore, according to the order input in advance to the numerical control device,
By driving the Y table 30 as desired, the printed wiring board 1 is moved as desired in the X-axis and Y-axis directions, and the connector 10 is moved as desired.
The through-hole rows for mounting can be sequentially positioned directly under the press-fit head 20.

On the other hand, the pickup head 40, which holds the connector housing 11 by fitting the core block into the housing cavity, is mounted on an
below the desired rotation angle (6 in the figure) about the horizontal axis.
A plurality of index tables 50 (six in the figure) are mounted on the disk surface of the index table 50, which rotates in steps at a step angle of 0 degrees.

The pickup head 40 held the connector housing 11 at a position directly below the index table, and the index table 50 rotated so that the row of insertion holes parallel to the connector housing 11 was located directly below the row of through holes of the printed wiring board 1. In this state, the housing is stopped with the bottom surface facing upward.

Note that, as shown in FIG.
A leaf spring 43 is provided which comes into elastic contact with the outer surface of the side wall of the connector housing 11.

Therefore, when the connector housing 11 is pressed against the pickup head 40, the core block 42 is inserted into the housing cavity 14, and the upper end surface elastically contacts the side wall of the housing cavity ring 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 faces the printed wiring board 1, the housing bottom surface 13 becomes horizontal and upward, and the insertion hole row aligns with 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 l are constructed as shown in FIG.

Guide blocks 46 are mounted at equal pitches on the circumference of the end face of the index table 50, and the guide blocks 46
A pick-up head 40 is mounted so as to be slidable in the radial direction within 6 for a predetermined stroke length.

The pickup head 40 is mounted so that the core block 42 faces the outside of the index table 50 and is always pulled toward the center of the index table 50 by the spring force.

Therefore, they are sequentially transferred to a position directly below the index table 50 corresponding to the pickup head 40 with the opening side of the housing cavity facing upward.

Then, when one end of the lever 51 swingably supported by the support shaft 52 is raised by driving the pickup cylinder 53, the end of the lever 51 hits the bottom 45 of the pickup head 40.

This allows the core block to connect to the connector housing 1.
The pickup head 40 is inserted into the housing cavity of the connector housing 11, and the pickup head 40 holds the connector housing 11 by elastic contact with the leaf spring.

On the other hand, the pickup head 4 is located directly under the printed wiring board 1.
A guide for guiding the slider 55 in the vertical direction is provided at a position below 0. A link that is connected to the slider 55 and extends straight or bent in a dogleg shape is provided, and this link is connected to the pressure cylinder 56.

Therefore, by driving the pressure cylinder 56, the slider 55 performs reciprocating motion in the vertical direction.

Therefore, when the index table 50 is stopped and the pressure-welding cylinder 56 is driven while the pickup head 40 holding the connector housing 11 is rotated and transferred directly below the printed wiring board 1, the upper part of the slider 55 is moved to the side of the pickup head 40. The pickup head 40 is pushed up by pressing the bottom portion 45, 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 l.

Since the present invention is configured as described above, the connector housing 11 is held by the pickup head 40, the connector pins 15 are held in a row by the press-fit head 20, and the press-fit head 20 and the pickup head 40 are driven to print. They are positioned correspondingly via the wiring board 1.

Thereafter, the press-fitting head 20 and the pickup head 40 are simultaneously driven, so that the housing bottom surface 13 is pressed closely against the back surface of the printed wiring board l, and the insertion hole row of the connector housing 11 is aligned with the through-hole row of the printed wiring board l. In this state, the connector side terminal portion 15c passes through the through hole 2 and the insertion hole 12 and is press-fitted. Therefore, the connector pins 15 are fixed to the printed wiring board 1 and the connector housing 11.

That is, the process of pressing the connector housing and the process of inserting the connector pins are performed almost simultaneously, and a 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 process for all the through-hole rows arranged on the printed wiring board 1, the connectors 10 can be mounted on the printed wiring board 1 in parallel as desired.

[Effects of the Invention] As explained above, the present invention is a connector mounting device configured such that the process of pressing the connector housing and the process of inserting the connector pins are performed almost simultaneously, and which has a desired number of connector pins. The connector can be mounted on the printed wiring board in an extremely short time, and the connector-side terminal portion is structured so that the through-hole and the insertion hole communicate with each other, so that it looks as if it were inserted into one through-hole. This has an excellent practical effect in that there is no risk of bending the connector pins.

[Brief explanation of the drawing]

Fig. 1 is a diagram explaining the present invention in detail, Fig. 2 is a sectional view showing a state in which a printed wiring board is mounted with a connector, Fig. 3 is a diagram of an embodiment of the present invention, and (a) is a side view. (b) is a front view of the index table, FIG. 4 is a perspective view of the main part of the full size head bed according to the embodiment of the present invention, and FIG. 5 is a perspective view of the main part of the pickup head according to the 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, 10 is a connector, 12 is an insertion hole, 14 is a housing cavity, 15a is a bulge, 15b is a terminal on the board side, 15c is a terminal on the connector side, 16 is a lead frame, and 20 is a press fit. 30 is an X-Y table, 40 is a pickup head, 42 is a core block, 43 is a leaf spring, 50 is an index table, and 60 is an end cam. 2 is the through hole, 11 is the connector housing, 13 is the bottom of the housing, 15 is the connector pin, 7-piece g Tsuki Uchihara Chirike T-miya ← Figure 1 Figure 1 Place the bottom cover in the back and make a six-shaped configuration? Tr side view 2nd figure Moe Moe / 11 Miyaji example figure 3rd ward 20 press-in'') Do body I C Tsui/] Su Mji 1/l press-in ・Fudome school building P fence I Akira figure 4 Illustrated book Iinakisis 5 Self-threat 1 Sword Pitch 2 A. 1 Heh! μ-shaped rod part 4 Leaf shape 12 bars, 12 fins missing Singing wooden board @Kizono Ei 6 Illustrated half-lidded 41 child tm Ko 7 Masai Shiba Mi N Prize Kanekata J University? Front view showing

Claims (1)

[Claims] The connector side terminal portion (15c) is connected to the bottom surface of the housing (13
) A mounting device for mounting a connector consisting of a connector housing (11) and connector pins (15) that pass through insertion holes (12) arranged in a plurality of holes (12) and a connector housing (11) on a printed wiring board (1), the board side terminal portion (15b) and holding a desired number of connector pins (15) vertically at a predetermined pitch,
A press-fitting head (20) mounted on the upper part of the device body so as to be movable in the vertical direction and the printed wiring board (1) are held horizontally, and the selected through-hole row is directly below the press-fitting head (20). an X-Y table (30) for moving the printed circuit board (1) in a desired position; and a core block (42) for holding the connector housing (11) by fitting into the housing cavity (14). and a pickup head (40) mounted on the lower part of the device main body so as to be able to be driven in the vertical direction with the insertion hole row positioned directly below the through hole row, the pickup head (40) being movable in the vertical direction. By driving the housing bottom surface (13) into pressure contact with the bottom surface of the printed wiring board (1), and driving the press-fitting head (20) to lower the connector pin (15), the connector side The terminal portion (15c) is press-fitted into the insertion hole (12), and the bulge (15a) of the connector pin (15) is elastically fixed into the through-hole (2). Connector mounting equipment.