JPH0545056Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention relates to a cutting blade mechanism for an automatic sheathing/cutting device for covered wires that can simultaneously strip and cut multiple coated wires used in various electrical products, etc. It is.

(Prior Art) In recent years, with the diversification and increase in demand for electrical and electronic products, various covered electric wires have been manufactured, sold, and used. In recent years, in order to more efficiently strip and cut covered wires connected to electrical and electronic components, for example, a small automatic wire stripping and cutting device as shown in Figure 4 has been used to cut a single coated wire. The covered wire is continuously stripped and cut to the desired size.

The cutting blade mechanism for stripping and cutting coated wires installed in this device has a V-shaped cutting edge as shown in Figure 5.
It consists of a fixed blade 101 and a movable blade 102 shaped like letters, and these two blades are attached to a mounting base 103 with their cutting edges facing each other so that they can be cut. Mounting stand 1
03 is provided so as to protrude outward from the peeling/cutting device as shown in the figure, and the movable blade 102 is connected to an operating mechanism provided inside the device, so that the fixed blade 101 and the movable blade 102 engage with each other. It's like this.

When stripping and cutting the coated wire, one coated wire is attached to each roller 104...
... to the cutting edge side, and each of these rollers 104
The movable blade 102 is rotated in forward and reverse directions, and the movement of the movable blade 102 is controlled to strip and cut the covered wire.

(Problem that the invention aims to solve) However, due to the structure of the conventional cutting blade mechanism attached to automatic sheathing/cutting equipment for coated wires, it is only possible to process coated wires one by one.
When it is desired to strip and cut a large amount of coated wire, this cutting blade had problems in terms of work efficiency.

The present invention was devised in view of these points, and its purpose is to attach it to the above-mentioned ready-made automatic insulated wire stripping/cutting device to quickly strip multiple insulated wires at once. - To provide a cutting blade mechanism that can perform cutting operations.

(Means for Solving the Problems) Therefore, in order to effectively achieve the above object, the present invention has the following configuration. That is, in an interlocking cutting blade mechanism that is attached to the outside of an automatic insulated wire stripping/cutting device and connected to an operating mechanism installed inside the device to be able to strip and cut various types of insulated wires, A slender fixed blade is provided in a cutting blade holding case, and a movable blade that engages with the fixed blade is provided in the case so as to be movable up and down. A blade recess is formed, and an operating connecting rod is provided within the case, one end of which is connected to the movable blade and the other end of which is connected to the operating mechanism.

(Function) A plurality of wires are transferred to the cutting blade side of the cutting blade holding case protruding from the automatic insulated wire stripping/cutting device by an insulated wire feeding mechanism separately attached to the insulated wire automatic stripping/cutting device. A plurality of coated wires are simultaneously stripped or cut by the operation of the cutting blade.
That is, each coated wire transferred to the cutting blade holding case side by the covered wire feeding mechanism comes to be located in each cutting blade recess of the fixed blade provided on the lower side within the case. Each coated wire positioned in this way is connected to the movable blade, which descends due to the movement of the connecting rod linked to the operation of the operating mechanism of the automatic stripping/cutting device, and the above-mentioned fixed blade. Cut by meshing.

In addition, when stripping the insulated wire, the insulated wire feeding mechanism moves each insulated wire back and forth, and the operating mechanism controls the cutting blade of the above structure to strip the insulated wire to the desired size. Peel the ends.

(Example) Hereinafter, an example of the present invention will be described based on FIGS. 1 to 3.

In the figure, 1 is an automatic sheathing/cutting device for the covered electric wire, 2 is a cutting blade mechanism according to the present invention, and 3 is a cutting blade holding case which is a part of this cutting blade mechanism 2. It is attached to a predetermined position of the automatic peeling/cutting device 1 so as to protrude from the device 1. Inside the case 3, there is a cutting blade mechanism 2.
A connecting rod 4, a movable blade 5, and a fixed blade 6 constituting the wire are installed inside, and the connecting rod 4 is connected to an operating mechanism (not shown) provided in the automatic sheathing/cutting device 1. The movable blade 5 connected to the connecting rod 4 operates in conjunction with the operating mechanism, and together with the fixed blade 6 provided in the case 3 to face the movable blade 5, it cuts a plurality of covered electric wires. It can be peeled or cut.

Therefore, to explain the cutting blade mechanism 2 according to the present invention in more detail, the cutting blade holding case 3 has a thin rectangular shape as shown in the figure, and has a frame shape with an opening in the center. An elongated fixed blade 6 is fixed along the long side of the case 3 with the cutting edge facing upward at the inner lower part. A plurality of cutting edge recesses 6a are formed at predetermined intervals on the cutting edge of the fixed blade 6. This cutting edge recess 6a is a part for stripping and cutting the covered electric wire together with the cutting edge recess 5a of the movable blade 5, which will be described later, and is formed in a V-shape or a concave shape, respectively.

Moreover, the inside of the tip side of the cutting blade holding case 3 is as follows:
A guide portion 7 is formed integrally with the case 3. A side end 8 of the guide portion 7 is formed obliquely, and a long hole 9 for guiding a guide pin 10 of the movable blade 5 is formed along the side end 3.

Thus, the movable blade 5 has a flat trapezoidal shape as a whole, with the bottom side as the cutting edge, and a cutting blade recess 5 at a position facing each cutting blade recess 6a formed in the fixed blade 6.
A is formed. The movable blade 5 is inserted into the long hole 9,
The movable blade 5 is locked in a downwardly movable manner via a guide pin 10 protruding from the upper corner of one side. A guide pin 11 is also provided protruding from the other upper corner of the movable blade 5.

This guide pin 11 is adapted to be locked in a long hole 12 formed at the tip of the connecting rod 4. The long hole 12 is formed obliquely at the tip of the connecting rod 4,
Together with the elongated hole 9 formed in the guide portion 7, it is formed to form a figure eight. The connecting rod 4 is slidably held in the case 3, and its rear end is attached to the automatic wire sheathing/cutting device 1.
A locking hole is formed so that it can be connected to an operating mechanism provided inside.

One end of the guide pins 10 and 11 provided on the movable blade 5 is provided on the guide portion 7 and the connecting rod 4, respectively, as described above, and the other ends of both guide pins 10 and 11 are provided on the guide portion 7 The cutting blade holding case 3 is arranged so as to correspond to the long holes 9 and 12 formed in the connecting rod 4.
It is locked in a long hole formed in the shape of an ``eight'' on one inner surface of the holder.

Note that 14 is a cylindrical roller attached to the automatic sheathed wire stripping/cutting device 1, and each roller 14
A plurality of grooves 15 are formed at predetermined intervals,
It is designed to allow multiple covered wires to be moved. 1
6 is a guide plate for the covered electric wire.

Next, a case where a plurality of coated wires are processed using the coated wire automatic stripping/cutting device 1 equipped with the cutting blade mechanism 2 of the above embodiment will be described.

A plurality of coated wires to be stripped and cut are respectively engaged with the grooves 15 of the roller 14, and are transferred to the cutting blade mechanism 2 side via the guide plate 16 by the rotation of the roller 14. The transferred covered wire is guided to each cutting blade recess 6a of the fixed blade 6. When the covered wire reaches this position, the operating mechanism in the automatic covered wire stripping/cutting device 1 operates, and the connecting rod 4 connected to the mechanism moves toward the tip of the case 3. Due to this movement, the guide pins 7, 10 of the movable blade 5 move through the long holes 9, 12, and the movable blade 5 is forcibly lowered. As a result, the cutting blade recess 5a of the movable blade 5 is replaced by the cutting blade recess 6a of the fixed blade 6.
It is possible to cut each covered wire at once.

When stripping the insulated wires, each insulated wire is moved back and forth by the roller 14, which is the insulated wire feeding mechanism, and the movable blade 5 is moved up and down via the connecting rod 4 by the operating mechanism. Therefore, the ends of a plurality of covered electric wires can be stripped.

(Effects of the invention) As is clear from the above explanation, the invention has the following effects:
A plurality of cutting blade recesses are formed on the opposing cutting edges of a cutting blade consisting of an elongated fixed blade and a movable blade, and a plurality of coated wires can be guided to these recesses for stripping or cutting treatment, which is different from conventional methods. Compared to this, work efficiency can be further improved.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of an automatic insulated wire stripping and cutting device equipped with a cutting blade mechanism according to an embodiment of the present invention, Fig. 2 is a front view of the cutting blade mechanism of an embodiment, and Fig. 3 is a state in use. FIG. 4 is a perspective view of an automatic sheathing/cutting device for covered wires equipped with a conventional cutting blade mechanism.
FIG. 5 is a front view showing a conventional cutting edge mechanism. 1... Automatic stripping/cutting device for covered wire, 2... Cutting blade mechanism, 3... Cutting blade holding case, 4... Connecting rod,
5...Movable blade, 6...Fixed blade, 5a, 6a...Cutting blade recess.

Claims (1)

[Scope of utility model registration request] Attached to the outside of the automatic insulated wire stripping and cutting device,
In addition, in an interlocking cutting blade that is capable of stripping and cutting various covered electric wires by being connected to an operating mechanism installed in the device, an elongated fixed blade is provided in a cutting blade holding case attached to the device, and A movable blade that engages with the fixed blade is provided in the case so as to be movable up and down, and a plurality of cutting blade recesses are formed at opposing positions of the cutting edges of the fixed blade and the movable blade. 1. A cutting blade mechanism for an automatic sheathing/cutting device for coated wire, characterized in that it is provided with an operating coupling lever which connects one end and connects the other end to the operating mechanism.