JPH0698437A - Cover peeling method for flexible flat cable - Google Patents

Abstract

PURPOSE:To provide the cover peeling method for a flexible flat cable, which is capable of peeling the cover of the cable nicely in quality and easy in the maintenance of a peeling tool. CONSTITUTION:Upon peeling the cover of a flexible flat cable 3, constituted of a plurality of flat angular conductors arranged in parallel while covered by a common tape type insulating cover, a part to be peeled is applied with an tension force while the lower surface of the part to be peeled is supported by a supporting stand 4, then, the insulating cover is machined by a bottom shaping machine to peel the cover.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for stripping a flexible flat cable, which comprises a plurality of parallel rectangular conductors covered with a common tape-shaped insulating coating. It is a thing.

[0002]

2. Description of the Related Art Conventionally, a flexible flat cable 3 formed by covering a plurality of flat rectangular conductors 1 arranged in parallel as shown in FIG. It was done by scraping off with.

[0003]

However, in the peeling method by scraping off with such a grinder, some resin or adhesive remains on the surface of the flat conductor of the peeled portion, and the There was a problem that the quality was poor and the electrical connection was hindered. Further, there is a problem that the grinder is apt to be worn and the tool needs frequent maintenance.

The object of the present invention is to remove skin with good quality,
Moreover, it is to provide a method of stripping a flexible flat cable that is easy to care for a stripping tool.

[0005]

The means of the present invention for achieving the above object will be described below.

According to the first aspect of the present invention, a method of stripping a flexible flat cable for stripping a flexible flat cable configured by covering a plurality of parallel rectangular conductors with a common tape-shaped insulating coating is provided. In (1), tension is applied to the portion of the flexible flat cable to be stripped, and the insulation coating of the portion of the flexible flat cable to be stripped is cut with a bottom milling cutter to strip.

According to a second aspect of the present invention, a method of stripping a flexible flat cable for stripping a flexible flat cable constituted by a plurality of parallel rectangular conductors covered with a common tape-shaped insulating coating is provided. In (1), tension is applied to a portion of the flexible flat cable to be stripped, and the insulating coating of the portion of the flexible flat cable to be stripped is cut with a flat milling cutter to peel the portion.

[0008]

In this way, tension is applied to the portion of the flexible flat cable to be stripped, and the insulating coating of the portion of the flexible flat cable to be stripped is cut with a bottom milling cutter or a flat milling cutter to perform the peeling. Therefore, even a flexible flat cable having low rigidity can be easily peeled off.

Further, when a bottom milling cutter or a flat milling cutter is used as the peeling tool, the peeling tool is less worn, and therefore the maintenance of the peeling tool is easy. In addition, when the skin is stripped with these stripping tools, the surface of the rectangular conductor can be cleanly exposed due to the stripping by cutting, and there is an advantage that it does not hinder the electrical connection.

The bottom milling cutter is characterized in that the boundary between the part where the insulation coating of the flexible flat cable is stripped and the part where it is not stripped can be stripped cleanly.

The flat milling cutter has a feature that the entire width of the flexible flat cable can be stripped at once.

[0012]

1 (A) to 1 (E) show a first embodiment of the present invention in which a flexible flat cable is stripped using a bottom milling cutter (end mill).

In the present embodiment, a support base 4 for supporting the flexible flat cable 3, a frame-type cable presser 5 for pressing the flexible flat cable 3 on the support base 4, and a presser lifting cylinder for lifting the cable presser 5 are used. 6, a bottom milling cutter for inserting the insulation coating 2 of the flexible flat cable 3 into the window 5a of the cable retainer 5, a bottom milling rotary driving tool 8 for rotationally driving the bottom milling cutter 7, and the bottom milling cutter 7. A bottom milling reciprocating cylinder 9, which reciprocates in the width direction of the flexible flat cable 3 within the window 5a of the cable retainer 5,
A bottom milling elevating cylinder 10 for elevating the bottom milling machine 7 is used.

Next, the peeling method of this embodiment using such an apparatus will be described. As shown in FIG. 1 (A), the flexible flat cable 3 is placed on a support base 4 and tension is applied by a tension applying means (not shown) to hold the cable retainer 5 on the portion of the flexible flat cable 3 to be stripped. The flexible flat cable 3 is fixed on the support base 4 as shown in FIG.

In this state, while rotating the bottom milling cutter 7 by the bottom milling cutter rotation drive tool 8, as shown in FIG. 1 (C), the bottom milling cutter 7 is placed in the window 5a of the cable pressing tool 5 to move the bottom milling lift cylinder 10. Operation, the tip of the bottom milling cutter 7 is pressed against the surface of the flexible flat cable 3, and is bitten by the thickness a of the insulating coating 2 on the surface side of the flexible flat cable 3. In this state,
By operating the bottom milling reciprocating cylinder 9, the bottom milling cutter 7 is moved in the width direction of the flexible flat cable 3 as shown in FIG. As a result, the insulating coating 2 on the surface side of the flexible flat cable 3 is removed as shown in FIG.

When the removal of the insulating coating 2 on the surface side of the flexible flat cable 3 is completed, the rotation of the bottom milling cutter 7 is stopped, and the bottom milling cutter 7 is operated to operate the bottom milling cutter 7 as shown in FIG. 1 (E). The cable retainer 5 is moved up by the operation of the retainer lift cylinder 6.
Raise.

When the removal of the insulating coating 2 on the front surface side of the flexible flat cable 3 is completed in this way, the flexible flat cable 3 is turned over and the insulating coating 2 on the back surface corresponding to the removed portion of the insulating coating 2 on the front surface side is removed. The removal is performed in the same manner.

The bottom milling cutter 7 is characterized in that the boundary between the part where the insulating coating 2 of the flexible flat cable 3 is stripped and the part where it is not stripped can be stripped cleanly.

FIGS. 3 to 5 (A) to 5 (C) show a second embodiment of the present invention for stripping a flexible flat cable using a flat milling cutter.

In this embodiment, the supply device 11 for supplying the flexible flat cable 3 wound in a coil shape, the winding device 12 for winding the supplied flexible flat cable 3, the supply device 11 and the winding device 12 And a support table 13 for supporting the lower surface of the flexible flat cable 3, a flat milling cutter 14 for peeling the flexible flat cable 3 at a position corresponding to the support table 13, and a flat milling lift cylinder for lifting and lowering the flat milling cutter 14. 15, a pair of guide rolls 16a, 16b, 17a, 1 for guiding the flexible flat cable 3 on both sides of the flat milling cutter 14
7b and are used.

In this case, the flexible flat cable 3 is sufficiently tensioned by the supply device 11, the guide rolls 16a, 16b, 17a, 17b, and the winding device 12, and as shown in FIG. 3 is supported by the support base 13 on the lower surface of FIG.
As shown in (B), the flat milling cutter 14 is rotated and lowered by driving the flat milling lift cylinder 15, and the insulating coating 2 on the surface side of the flexible flat cable 3 is removed by the flat milling cutter 14.

After the removal of the insulating coating 2 on the surface side of the flexible flat cable 3, the flat milling cutter 14 is lifted by the drive of the flat milling lift cylinder 15 to separate it from the flexible flat cable 3 as shown in FIG. 5 (C). , The supply device 11 and the take-up device 12 are operated to move the flexible flat cable 3 to the next stripping point.

When the removal of the insulation coating 2 on the front surface side of the flexible flat cable 3 is completed in this way, the flexible flat cable 3 is turned over and the insulation coating 2 on the back surface corresponding to the removed portion of the insulation coating 2 on the front surface side is removed. The removal is performed in the same manner.

The flat milling cutter 14 is characterized in that the entire width of the flexible flat cable 3 can be stripped at once.

The present invention is not limited to the above embodiment, but the surface of the flexible flat cable 3,
The insulation coating 2 on the back surface can be stripped at the same time.

[0026]

As described above, according to the method of stripping a flexible flat cable of the present invention, the following effects can be obtained.

In the present invention, tension is applied to the portion of the flexible flat cable to be stripped, and the insulation coating of the portion of the flexible flat cable to be stripped is cut with a bottom milling cutter or a flat milling cutter to strip the same. So
Even a flexible flat cable with low rigidity can be easily stripped.

Further, in the present invention, since the bottom milling cutter or the flat milling cutter is used as the peeling tool, the peeling tool is less worn as compared with the grinder, and therefore the maintenance of the peeling tool is easy. Further, when the peeling tool is used for peeling, the surface of the rectangular conductor can be exposed cleanly because of the peeling by cutting, and there is an advantage that it does not hinder the electrical connection.

Further, the bottom milling cutter is characterized in that the boundary between the part where the insulation coating of the flexible flat cable is stripped and the part where it is not stripped can be stripped cleanly.

On the other hand, the flat milling cutter has a feature that the entire width of the flexible flat cable can be stripped at once.

[Brief description of drawings]

1A to 1E are perspective views showing respective steps of a first embodiment of the present invention for stripping a flexible flat cable using a bottom milling cutter.

FIG. 2 is a vertical cross-sectional view of the flexible flat cable showing a state in which the flexible flat cable is stripped using a bottom milling cutter.

FIG. 3 is a perspective view of a second embodiment of the present invention in which a flexible flat cable is stripped using a flat milling cutter.

FIG. 4 is a front view of a flat milling cutter used in a second embodiment.

5A to 5C are side views showing respective steps of the second embodiment of the present invention for stripping a flexible flat cable using a flat milling cutter.

FIG. 6 is a cross-sectional view showing an example of a flexible flat cable.

[Explanation of symbols] 1 flat conductor 2 tape-like insulation coating 3 flexible flat cable 4 support base 5 cable retainer 5a window 6 retainer lifting cylinder 7 bottom milling cutter 8 bottom milling rotary drive tool 9 bottom milling reciprocating cylinder 10 bottom milling elevator Cylinder 11 Supply device 12 Winding device 13 Support stand 14 Flat milling machine 15 Flat milling lift cylinder 16a, 16b, 17a, 17b Guide roll

Claims (2)

[Claims] 1. A method of stripping a flexible flat cable, comprising stripping a plurality of parallel-arranged rectangular conductors with a common tape-shaped insulating coating, and stripping the flexible flat cable. A method for stripping a flexible flat cable, wherein tension is applied to a portion to be stripped, and the insulating coating of the portion to be stripped of the flexible flat cable is cut by a bottom milling cutter to strip. 2. A method of stripping a flexible flat cable, comprising stripping a plurality of parallel rectangular conductors covered with a common tape-shaped insulating coating, and stripping the flexible flat cable. A method for stripping a flexible flat cable, wherein tension is applied to a portion to be stripped, and the insulating coating of the portion to be stripped of the flexible flat cable is cut by a flat milling cutter to strip.