JP3477059B2 - Winding method of metal strip for connector and embossed tape - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for continuously winding a metal strip for a connector used for producing a connector, which is a connecting part for electric equipment, on a reel and a winding operation. Related to embossed tape.

[0002]

2. Description of the Related Art FIG. 6 shows an example of a long metal strip 1A made of a copper alloy such as brass or phosphor bronze for springs for manufacturing a connector which is a connecting part for electric equipment. The processed long metal strip 1A has a carrier portion 2 continuous in the longitudinal direction, and terminals 3A having a width (w) are connected to the carrier portion 2 at a predetermined interval (G) so as to be spaced from each other. It is made into a shape. In such a press-formed long metal strip 1A, as shown in FIG. 2, the tip 4 of the terminal 3A is further press-formed into a predetermined connector terminal shape, that is, the contact forming portion 4, and the connector is formed. Metal strip 1 for use.
Usually, the plate thickness of the metal strip 1 is 0.2 mm, the length H ₀ from the end face of the carrier part 2 after press forming to the lower end of the contact forming part 4 of the connector terminal 3 is 7 to 15 mm, The distance (P) is about 0.5 mm.

The metal strip 1 for a connector thus press-formed is once wound on a reel and sent to the next plating step. In the plating step, gold or gold-cobalt alloy, etc. is plated on the upper surface 4a of the contact forming portion 4 of the metal strip 1 for connector, and the metal strip 1 for connector is also used.
Solder plating is applied to the connection region 5 corresponding to the distance H ₁ from the carrier portion 2.

[0004]

As described above, the metal strip 1 for a connector, which has been press-molded, is temporarily wound up on a reel in order to turn it to a post-plating step. In order to prevent the forming portion 4 from being deformed or scratched, an elongated tape-shaped patch paper is applied in the longitudinal direction of the metal strip 1 and wound.

However, since the contact forming portion 4 has a shape protruding outward from the carrier 2 portion by, for example, a distance W = 1 to 3 mm, when the long metal strip 1 is wound,
The contact forming portions 4 adjacent to each other strongly abut each other, and the contact forming portions 4 are deformed or damaged. Therefore, according to the conventional winding method of simply applying a strip of paper to the metal strip 1 in the longitudinal direction and winding the metal strip 1, the metal strip 1 can be wound without causing any deformation and without any damage. The maximum length was 40 m.

Accordingly, an object of the present invention is to make a metal strip for a connector used for producing a connector, which is a connecting part for an electric device, to be considerably longer than a conventional one without being deformed or damaged. An object of the present invention is to provide a winding method capable of winding with good workability.

Another object of the present invention is to prevent a metal strip from being deformed or scratched when winding a metal strip for a connector used for producing a connector which is a connecting part for electric equipment. It is an object of the present invention to provide an embossed tape adapted to be wound along the longitudinal direction of a metal strip, which can wind up the metal strip considerably longer than before and with good workability.

[0008]

The above object can be achieved by a method for winding a metal strip for a connector and an embossed tape according to the present invention. In summary, the present invention is a method of winding a metal strip for a connector having a carrier portion and a contact formation portion on a reel, in which a dummy convex portion and a contact protection convex portion are formed continuously along the longitudinal direction. In the flexible embossed tape, the dummy convex portion fits the position of the carrier portion of the connector metal strip, and the contact protection convex portion fits the position of the contact forming portion of the connector metal strip. The connector metal strip is wound up on the reel in such a state that the metal strip for connector and the embossed tape are superposed on each other.

According to a preferred embodiment of the present invention, the contact protection convex portion continuously formed along the longitudinal direction of the embossed tape has the contact forming portion of the metal strip for a connector as a whole in a wound state. And the tip portion of the contact protection convex portion abuts on the back side of the adjacent contact formation portion, and
The dummy convex portion formed continuously along the longitudinal direction of the embossed tape holds the metal strip carrier portion for a connector in a wound state from the front and rear to fix and hold it.

According to another aspect of the present invention, a dummy convex portion which is formed in a convex shape in conformity with the position of the carrier portion of the metal strip for connector and the contact forming portion of the metal strip for connector are covered. There is provided an embossed tape for winding a metal strip for a connector, which has a contact protection convex portion which is formed in a convex shape in conformity with the position of the forming portion and which is continuously provided along the longitudinal direction.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION A method for winding a metal strip for a connector and an embossed tape according to the present invention will be described below in more detail with reference to the drawings.

The metal strip for a connector which is a connection component for electric equipment to be wound according to the present invention can be, for example, the metal strip 1 for a connector shown in FIG. 2 described above.

That is, in this embodiment, the metal strip 1 for a connector is used.
As described above, for example, the plate thickness is 0.2 mm, the length H ₀ from the carrier portion 2 to the contact forming portion 4 after press forming is 7 to 15 mm, and the distance between each connector terminal (P)
Is 0.5 mm. Width of each connector terminal 3 (w)
Is 5 to 30 mm, and the carrier portion 2 of the contact forming portion 4 is
The amount of protrusion (W) from the above was set to 2.3 mm.

As shown in FIG. 1, in the metal strip 1 for a connector which has been press-formed as described above, a carrier portion 2 is engaged and driven by a drive device (not shown) and continuously wound on a reel. . At this time, according to the present invention, the connector metal strip 1 is continuously embossed with tape along its longitudinal direction. That is, in this embodiment, the embossing tape 100 described below is applied to one surface of the connector metal strip 1, that is, the side where the contact forming portion 4 is formed, and the metal strip 1 for connector and the embossing tape 100 are attached. It is wound on the reel 200 in a state of being overlapped.

Next, the embossed tape 100 according to the present invention.
Will be described. As shown in FIG. 3, the embossed tape 100 is a flexible tape extending along the longitudinal direction of the metal strip 1 for a connector, and this tape has a position of the carrier portion 2 of the metal strip 1 for a connector. Of the dummy convex portion 101 conforming to the above, and the contact protection convex portion conforming to the position of this contact forming portion 4 so as to cover the contact forming portion 4 of the connector metal strip 1. The part 102 is formed continuously in the longitudinal direction of the tape.

FIG. 4 shows a state in which the connector metal strip 1 is wound around the reel 200 via the embossed tape 100. As can be seen in FIG. 4, the embossed tape 10
The contact protection protrusion 102 continuously formed along the longitudinal direction of 0 covers the contact formation portion 4 of the metal strip 1 for a connector as a whole, and the tip end of the contact protection protrusion 102 has an adjacent contact. It comes into contact with the back side of the forming portion 4. Therefore,
The contact forming portion 4 wound on the reel 200 is housed in the contact protection convex portion 102, and it is effective that the adjacent contact forming portions 4 interfere with each other during winding and are damaged. To be prevented. Further, the dummy convex portion 101 of the embossed tape is located on the carrier portion 2 of the connector metal strip 1 which is made flat when being wound up. It becomes a shape to be held, and as shown in FIG. 4, the carrier section 2 is held and fixedly held.

Therefore, according to the present invention, the contact protection convex portion 102 is formed on the embossed tape 100 to protect the contact formation portion 4 of the connector metal strip 1 and the dummy convex portion 10 is formed.
By forming 1, the connector metal strip 1 can be wound around the reel 200 in an aligned state, and the problem that the contact forming portions 4 interfere with each other during winding and are damaged is solved.

FIG. 5 (A) shows another embodiment of the metal strip 1 for a connector, and FIG. 5 (B) shows this metal strip 1 for a connector.
Although the embossing tape 100 for winding up is shown, the embossing tape 100 in this embodiment also has the contact protection convex portion 102 and the dummy convex portion 101, thereby achieving the same effect as that of the above embodiment. can do.

Of course, depending on the shape of the metal strip 1 for a connector, it is possible to further form another contact protection convex portion 102 and / or a dummy convex portion 101.

The embossed tape 100 of the present invention can be made of any material, for example, a thickness of 0.1 to 0.1.
Resin film of 0.4 mm, such as polyimide,
A thermoplastic resin film such as polyester can be preferably used.

In this embodiment, a polyester resin film having a thickness of 0.3 mm is used to emboss tape 10
0 is manufactured, and the metal strip 1 for a connector having the shape shown in FIG.
Although it was wound around 00, the winding operation was extremely easy and could be wound up to 200 m without any problem. or,
The metal strip 1 for a connector was not deformed at the time of winding and transportation, and no scratch was generated on the contact forming portion 4.

[0022]

As described above, according to the present invention,
Use a flexible embossing tape in which dummy protrusions and contact protection protrusions are formed continuously along the longitudinal direction.Use this embossed tape to place the dummy protrusions at the position of the carrier part of the connector metal strip. Since it is adapted and arranged so that the contact protection convex portion matches the position of the contact forming portion of the connector metal strip, the metal strip for connector and the embossed tape are wound on the reel in a superposed state. The metal strip for a connector can be wound up considerably longer than before without deforming or scratching and with good workability.

[Brief description of drawings]

FIG. 1 is a perspective view illustrating a method for winding a metal strip for a connector according to the present invention.

FIG. 2 is a perspective view of an example of a metal strip for a connector.

FIG. 3 is a perspective view of one embodiment of the embossed tape of the present invention.

FIG. 4 is a cross-sectional view showing a state in which a connector metal strip and an embossed tape are stacked on a reel and wound according to the present invention.

FIG. 5 is a perspective view of another embodiment of the connector metal strip and the embossed tape.

FIG. 6 is a diagram showing an example of a long metal strip for manufacturing a connector.

[Explanation of symbols]

1 Long metal strip 2 Carrier section 3 terminals 4 Contact formation part 5 connection 100 embossed tape 101 Dummy convex part 102 Contact protection protrusion 200 reel

Front page continuation (58) Fields surveyed (Int.Cl. ⁷ , DB name) B21C 47/26 H01R 43/20 B65D 73/02 B65D 85/38

Claims (5)

(57) [Claims] 1. A method of winding a metal strip for a connector having a carrier portion and a contact forming portion on a reel, wherein a dummy convex portion and a contact protection convex portion are formed continuously along a longitudinal direction. A flexible embossing tape is arranged such that the dummy convex portion fits in the position of the carrier portion of the connector metal strip and the contact protection convex portion fits in the position of the contact forming portion of the connector metal strip. A method for winding a metal strip for a connector, comprising winding the metal strip for a connector and the embossed tape in a state of being superposed on each other on a reel. 2. The contact protection convex portion continuously formed along the longitudinal direction of the embossed tape covers the contact forming portion of the metal strip for a connector in a rolled-up state, and 2. The method for winding a metal strip for a connector according to claim 1, wherein the tip of the protective convex portion is in contact with the back side of the adjacent contact forming portion. 3. The dummy convex portion continuously formed along the longitudinal direction of the embossed tape holds the connector metal strip carrier portion in a wound state from the front and rear to fix and hold it. The method of winding a metal strip for a connector according to claim 1 or 2. 4. The winding method for a metal strip for a connector according to claim 1, wherein the embossed tape is made of a resin film. 5. A dummy convex portion formed in a convex shape in conformity with the position of the carrier portion of the metal strip for connector and a position of this contact formation portion so as to cover the contact formation portion of the metal strip for connector. An embossed tape, which has contact protection protrusions formed in a convex shape continuously along the longitudinal direction.