JPH08288046A - Soldering jig for connector - Google Patents

Abstract

PURPOSE: To provide a connector soldering jig having the capability of easily protecting a connector against heat or flux without attaching a tape thereto, and fixing the connector to the end of a substrate. CONSTITUTION: This jig has a clamp member 2, another camp member 3 with a flat plane 3e slidable in the directions of arrows B and C in an opening 2f of the member 2, springs 8 and 9, and the like. Also, projected planes 3d and 2d of the members 2 and 3 clamp a connector 7 and a substrate end 10 in an integrated form under the energizing force of the springs 8 and 9, and the connector 7 is thereby fixed to a substrate end 10a. A connected section 7c, a molded lower surface 7g and the like of the connector 7 are concealed with a flat plane 2i, the projected plane 2d and the like of the member 3 for protection against heat or flux.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a soldering auxiliary jig for a connector, and is particularly useful when applied to flow soldering a connector on a board.

[0002]

2. Description of the Related Art FIG. 4 is an explanatory view showing an outline of flow solder mounting. As shown in the figure, when a DIN connector (hereinafter referred to as a connector) 7 for electrically connecting the boards to each other is mounted by flow soldering, the board 10 having the connector 7 arranged on the board end portion 10a is soldered. It is conveyed toward the flow solder 21 ejected from the dip tank 22, and the lower surface of the substrate 10 is dipped (dipped) in the flow solder 21. In this way, the lower ends 7d of the leads 7b protruding from the lower surface of the substrate 10 are soldered.

When performing such flow solder mounting, a paper tape (not shown) is attached to the connector 7 (taping). This taping covers the connection portion 7c on the front surface of the connector 7 where a large number of pin headers 7a are arranged and the molded portion of the connector 7 to protect them from heat and bubbles of flux (attached by jumping up), and 7 is fixed to the board end portion 10a, and the connector 7
This is done to prevent the floating and wobbling of the.

[0004]

However, in the conventional method of protecting and fixing the connector 7 by taping as described above, the number of steps for cutting and sticking the tape is very large and the work efficiency is poor. In addition, when the number of pin headers 7a increases, attention must be paid when attaching the tape, and the amount of tape used increases, so the amount of dust (used tape) also increases, which is desirable from the perspective of environmental protection. Absent.

Therefore, in view of the above-mentioned prior art, the present invention has an object of providing a soldering auxiliary jig for a connector which can easily protect the connector from heat and flux without fixing by taping and fix the connector to the end portion of the board. And

[0006]

According to a first aspect of the present invention that achieves the above object, there is provided a first holding member which abuts an upper surface of a connector arranged on an end of a board, and a lower surface of the end of the board. A second holding member that abuts on the connector and covers the connection portion on the front surface of the connector, and the first and second holding members integrally hold the connector and the board end portion. And a biasing member for biasing the holding member.

In the second structure, the upper surface of the connector disposed on the end portion of the board is brought into contact with the first holding member for covering the connection portion on the upper surface of the connector and the lower surface of the end portion of the board. A second holding member; and a biasing member for biasing the first and second holding members so that the first and second holding members integrally hold the connector and the board end portion. It is characterized by being configured.

According to a third structure, in the first or second structure, the second holding member covers the front surface of the connector, is continuous with the surface covering the front surface of the connector, and is substantially perpendicular to the surface. And both side surfaces and a lower surface of the connector are formed so as to cover the both side surfaces and the lower surface of the connector.

In the fourth structure, in the first, second or third structure, the first and second holding members have a width substantially equal to the width of the substrate end portion. Characterize.

[0010]

According to the first or second aspect of the present invention, the connector and the board end are integrally held by the first holding member and the second holding member, and the connector is attached to the board end. It is fixed to prevent floating and wobbling of the connector, and the connector is connected by the first holding member (when the connector connecting portion is on the upper surface) or the second holding member (when the connector connecting portion is on the front surface). Cover the joint and protect the joint from heat and flux.

According to the third aspect of the present invention, since the second holding member covers the front surface, both side surfaces and the lower surface of the connector, the connector is more reliably protected from heat and flux.

According to the fourth aspect of the present invention, the warp of the substrate due to heat is prevented by the holding force of the first holding member and the second holding member.

[0013]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a front perspective view of a soldering auxiliary jig for a connector according to an embodiment of the present invention (a state in which a connector and an end of a board are held), and FIG. 2 is a soldering process for the connector shown in FIG. FIG. 3 is a cross-sectional view taken along the line AA in FIG. 1 of the auxiliary jig, showing a rear perspective view (before holding the connector and the board end portion).

As shown in FIGS. 1 to 3, a soldering auxiliary jig (hereinafter simply referred to as an auxiliary jig) 1 for a connector according to the present embodiment includes a holding member 2, 3 and springs 8, 9 and the like. It is a jig that is equipped with.

The holding member 2 has a flat surface 2i having a rectangular opening 2f in the center, and projecting surfaces 2a and 2d which are continuous with the upper and lower ends of the flat surface 2i and are substantially perpendicular to the flat surface 2i in the front-rear direction. Is formed. Further, below both sides of the plane 2i, the plane 2i is continuous with the plane 2i and
Projecting surfaces 2b and 2c that are substantially perpendicular to i are formed, and projecting portions 2e and 2h that are substantially perpendicular to the plane 2i are formed on both sides of the lower edge of the opening 2f.

The holding member 3 has a flat surface 3e and a flat surface 3e.
Is formed so as to have projecting surfaces 3a and 3d which are continuous with the upper and lower ends of the and which are substantially perpendicular to the plane 3e in the front-back direction. The tip of the protruding surface 3d is bent substantially parallel to the flat surface 3e. The plane 3e of the holding member 3 has a predetermined gap in the vertical direction and holds the holding member 2 in the vertical direction.
Of the holding member 2 while being fitted into the opening 2f of the
i It is sandwiched by rectangular flat plates 4 and 5 which are fixed on both front and rear surfaces on both sides by screws 6, and can be moved in the openings 2f in the directions of arrows B and C by being guided by these flat plates 4 and 5. ing.

Both ends of the springs 8 and 9 have a holding member 3 at both ends.
Hooking portions 3b and 3c formed on both sides of the protruding surface 3a of
Hooking portions 2 formed on the protruding portions 2e and 2h of the holding member 2.
j, 2g, and the protruding surface 3a and the protruding portion 2
e, 2h approaching each other, that is, the protruding surface 3d and the protruding surface 2d
Both holding members 2 and 3 are urged in a direction in which and approach each other.

Therefore, when an operator picks up the protruding surfaces 2a, 3a of the holding members 2, 3 with his / her fingers to apply a force, the protruding surface 3a moves in the direction of arrow B against the biasing force of the springs 8,9. Then, the protruding surface 3d of the holding member 3 and the protruding surface 2d of the holding member 2 are separated from each other. On the other hand, when the worker removes the force of the finger, the projecting surface 3a moves in the direction of arrow C by the biasing force of the springs 8 and 9, and the projecting surface 2d and the projecting surface 3d come close to each other.

Therefore, according to the auxiliary jig 1 having the above-mentioned structure, the worker moves in the direction of arrow D in FIG. 2 with the protruding surfaces 2a, 3a pinched to widen the distance between the protruding surfaces 2d, 3d. When the connector 7 and the board end portion 10a are inserted between the projecting surfaces 2d and 3d and the force is released, the holding members 2 and 3 hold the connector 7 and the board end portion 10a integrally.

That is, as shown in FIGS. 1 and 3, the protruding surface 3d of the holding member 3 contacts the upper surface of the connector 7, and the protruding surface 2d of the holding member 2 contacts the lower surface of the substrate end 10a. Due to the urging force of the springs 8 and 9, the projecting surfaces 3d and 2d hold the connector 7 and the board end portion 10a integrally, and fix the connector 7 to the board end portion 10a.
Therefore, the connector 7 can be prevented from floating and wobbling, and the lower end portion 7d of the lead 7b can be reliably soldered.

Further, the lower end of the flat surface 2i of the holding member 2 covers the connecting portion 7c on the front surface of the connector 7, the protruding surface 2d of the holding member 2 covers the lower surface 7g of the mold portion of the connector 7, and the protruding surface 2b of the holding member 2 further. , 2c cover both side surfaces 7e and 7f of the molded portion of the connector 7, whereby the connection portion 7c of the connector 7 and the lower surface 7g of the molded portion are covered.
Also, both side surfaces 7e and 7f of the mold are hermetically sealed to protect them from heat and flux.

As described above, the auxiliary jig 1 according to this embodiment
When the flow soldering of the connector 7 is carried out, the connector 7 can protect the connecting portion 7c of the connector 7 and the lower surface 7g of the molded portion from heat and flux, and can also fix the connector 7 to the board end portion 10a. Moreover, the auxiliary jig 1 is inexpensive and
It is easy to put on and take off, and can be used repeatedly as many times as necessary. Therefore, compared with the conventional taping, the number of steps can be reduced and the work efficiency can be significantly improved, and dust is not generated because it is not a consumable item such as tape.

The material of each part of the auxiliary jig 1 can be arbitrarily selected. For example, in consideration of lightness, the holding member 3
May be made of aluminum, and the holding member 2 may be made of stainless steel in consideration of strength and smooth sliding.

Further, in the above embodiment, the connector 7 has the connecting portion 7c on the front surface thereof, and the connecting portion 7c is provided on the plane 2 of the holding member 2.
The case of covering with i is shown, but if the joint 7c
Is on the upper surface of the connector 7, the projecting surface 3d of the holding member 3 is, for example, a flat plate shape without bending and has a widened width, and the projecting surface 3d serves to connect the connecting portion 7 on the upper surface.
You may make it cover c.

Further, as in the above-mentioned embodiment, the projecting surfaces 2b and 2c of the holding member 2 allow the side surfaces 7e of the connector 7 to be molded,
Although it is desirable to cover 7f to enhance the airtightness, it is not necessarily limited to this, and the protruding surfaces 2b, 2c
Even if is deleted, some protection effect can be obtained.

In the above embodiment, the case of applying to the DIN connector 7 has been shown, but various shapes and shapes can be changed by appropriately changing the shapes of the holding members 2 and 3 according to the shape of each connector. The auxiliary jig of the present invention can be applied to the connector. For example, it can be applied to the case where a pin connector used for a video tape recorder is mounted on a substrate.

When the connector has a large number of pins and is long, or when a plurality of connectors are arranged side by side on the same substrate end, the width of the auxiliary jig 1 is widened and the shape is appropriately changed.
A long connector may be held, or a plurality of connectors may be held together. In this case, if the width of the auxiliary jig 1 is approximately the same as the width of the end portion of the substrate, the clamping force of the auxiliary jig 1 can prevent the warp of the substrate due to heat.

[0029]

According to the present invention as specifically described in connection with the above embodiments, the first holding member and the second holding member integrally hold the connector and the board end portion, It is possible to fix the connector to the end portion of the substrate to prevent the connector from floating and wobbling, and to cover the connection portion of the connector to protect the connection portion from heat and flux. Moreover, it is inexpensive, easy to attach and detach, and can be used repeatedly, so the number of steps is reduced and work efficiency is greatly improved compared to conventional taping.
Since it is not a consumable item like tape, no dust is generated.

By covering not only the front surface of the connector but also the lower surface and the side surface of the connector with the second holding member, these can be protected. Further, when the width of the first and second holding members is approximately the same as the width of the substrate end portion, these holding forces can prevent the substrate from warping due to heat.

[Brief description of drawings]

FIG. 1 is a front perspective view of a soldering auxiliary jig for a connector according to an embodiment of the present invention.

FIG. 2 is a rear perspective view of a soldering auxiliary jig for the connector shown in FIG.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is an explanatory diagram showing an outline of flow solder mounting.

[Explanation of symbols]

 1 Auxiliary jig 2,3 Holding member 2a, 2b, 2c, 2d, 3a, 3d Projecting surface 2e, 2h Projecting part 2f Opening part 2g, 2j, 3b, 3c Locking part 2i, 3e Flat surface 4, 5 Flat plate 6 Screw 7 connector 7a head pin 7b lead 7c connection part 7d lower end part 7e, 7f mold part side face 7g mold part lower surface 8,9 spring 10 board 10a board end 21 flow solder 22 solder dip bath

Claims (4)

[Claims] 1. A first holding member that abuts an upper surface of a connector disposed on a board end portion, and a second holding member that abuts a lower surface of the board end portion and covers a connector on a front surface of the connector. And a biasing member that biases the first and second holding members so that the first and second holding members integrally hold the connector and the board end portion. A jig for soldering the characteristic connector. 2. A first holding member that abuts an upper surface of a connector arranged on a board end portion and covers a connection portion of the connector upper surface, and a second holding member that abuts a lower surface of the board end portion. And a biasing member that biases the first and second holding members so that the first and second holding members integrally hold the connector and the board end portion. A jig for soldering the characteristic connector. 3. The connector soldering auxiliary jig according to claim 1, wherein the second holding member covers the front surface of the connector and is continuous with and covers the front surface of the connector. An auxiliary soldering jig for a connector, which has substantially right-angled side surfaces and a lower surface and is formed so as to cover the both side surfaces and the lower surface of the connector. 4. The connector soldering jig according to claim 1, 2, or 3, wherein the first and second holding members have a width substantially equal to the width of the board end portion. An auxiliary jig for soldering connectors.