JPH07282664A - Covered electric wire sorting device - Google Patents

Abstract

PURPOSE:To provide a covered electric wire sorting device with which a conduc tor and a covering material can be separated from each other completely with out causing breakage even for a small-diameter covered electric wire. CONSTITUTION:A pair of an upper and a lower pressure rollers 10 supported by a main body frame 70 and set to have a specified gap quantity between them by a bringing-close/separating means 30 are driven to rotate by a torque motor 20, plural covered conductors guided by an introducing member 40 are held between the pressure rollers 10 to be pressurized to be separated into conductors and covering materials, and these are sorted by a sorting plate 50 into the conductors and the covering materials to be recovered into recovering containers 60. By thus sorting the conductors and the covering materials from each other by use of the pressure rollers 10 without crushing the covering materials, separating work can be performed smoothly without breakage even in the case of a small conductor diameter.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coated electric wire separating apparatus for separating a coated electric wire into a conductive wire and a covering material, and more particularly to a coated electric wire separating apparatus capable of smoothly separating work even if the conductive wire is thin without breaking. .

[0002]

2. Description of the Related Art A coated electric wire is manufactured by extruding a synthetic resin onto a conductive wire as an covering material, but the covered electric wire that has been scrapped at the manufacturing stage is recovered in order to effectively use raw materials. After that, it is separated into a coating material and a conductive wire, and is again provided for manufacturing.

By the way, as a separating device for separating the covered electric wire into a covering material and a conducting wire, there is known a Japanese Utility Model Publication No. 49-2791.
5, gazette of Japanese Utility Model Publication No. 49-28622, gazette of Japanese Utility Model Publication 50
There is one disclosed in Japanese Patent Laid-Open No. 32754.

As shown in FIG. 11, in each of these sorting devices, the coated wire A is sandwiched by rollers 81 and fed out, and the coated portion is cut by a cutting member 82 such as a cutter to remove the coating material from the conductor. Is.

[0005]

When the sorting apparatus as described above is used for a covered electric wire having a large electric wire diameter, no particular problem occurs. For example, the electric wire diameter is 0.6 mm.
When a coated electric wire having a small diameter such as (conductor diameter 0.4 mm) is used, when the covering material is cut by the cutting means, not only the covering material but also the conductor wire is often damaged and broken. Therefore, the separation work of the covered electric wires cannot be carried out smoothly, and in the end it is impossible to completely separate them.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a covered electric wire separating apparatus which can completely separate a conductor wire and a covering material without breaking even a small diameter covered electric wire.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, according to the present invention, a pair of paired wires which are squeezed and separated from a conductor wire by sandwiching and pressing the covered electric wire to be introduced are sent. It is an object of the present invention to provide a device for separating a covered electric wire, which includes a pressing roller and a rotation driving unit that rotationally drives the pressing roller.

Further, the separating device includes a collecting container for collecting the coating material and the conductive wire separated by the separating plate, and a pressing roller approaching / separating means for changing a gap amount between the pair of pressing rollers. Should be provided.

Furthermore, an introducing member having a plurality of guide grooves for arranging a plurality of covered electric wires at predetermined intervals may be provided on the side of the pressing roller where the covered electric wires are introduced, and the introducing member rotates about a vertical axis. A plurality of roller members may be arranged on the base material at predetermined intervals.

Further, it is preferable to provide a coating material removing knife on the delivery side of the coated electric wire of the pressing roller for preventing the coating material separated from the conducting wire from being wound.

[0011]

In the apparatus for separating a coated electric wire constructed as described above, the coating material for the introduced coated electric wire is crushed by the pressing roller to be divided into two, and the conductor wire and the coating material are separated. Further, in the case where the separation plate is provided, when the coating material separated from the conductive wire is guided to one of the upper and lower sides of the separation plate and the conductive wire is guided to the other side,
The coating material and the conductive wire are accumulated in a completely separated state.
In particular, when a recovery container is provided, the coating material and the conductive wire are recovered in a separated state in each recovery container.

Further, in the case where the pressing roller approaching / separating means is provided, the gap between the pressing rollers is adjusted in accordance with the wire diameter before the start of the sorting operation.

Further, in the case where the above-mentioned introducing member is provided, when a plurality of covered electric wires are guided to the pressing roller through the guide groove, the separating work is simultaneously performed for the plurality of covered electric wires. Particularly in the case of using the roller member, the covered electric wire can be smoothly introduced into the pressing roller.

The covering material wound around the pressing roller is
Stripped from the roller surface with a coating removal knife.

[0015]

EXAMPLES Examples will be described below with reference to the drawings. As shown in FIGS. 1 to 3, the apparatus 1 for separating coated electric wires comprises a pair of upper and lower pressing rollers 10 supported by a main body frame 70, a torque motor 20 as a rotation driving means for the pressing rollers 10, and the pressing member. It comprises an approaching / separating means 30 for adjusting the clearance of the roller 10, an introducing member 40 for guiding a plurality of covered electric wires to the pressing roller 10 in an aligned state, a separating plate 50, and a collecting container 60.

As shown in FIG. 4, the pressing roller 10 is vertically movable by the lower roller 11 rotatably fixed to the main body frame 70 via a bearing 13 and the approaching / separating means 30. A fixed shaft 12a supported by a frame 70 is rotatably supported via a bearing 12b, and is composed of an upper roller 12 that moves toward and away from the lower roller 11. The lower roller 11 and the upper roller 12 are connected to each other. The covered electric wire can be pressed by sandwiching the covered electric wire between them.

The lower roller 11 and the torque motor 20 are, as shown in FIG.
21, pulleys 11b and 22 are attached to the pulley 21, and the lower roller 11 and the torque motor 20 are connected to each other via a belt 14 which is a power transmission means hung over the pulleys 11b and 22 to drive the torque motor 20. The lower roller 11 is thereby rotated.

As shown in FIG. 4, the approaching / separating means 30 is fixed to both ends of the fixed shaft 12a, and a nut member 31 is fixed to the main body frame 70 so as to be vertically slidable, and a nut member 31. A ball screw 32 screwed into the member 31, a fixed position rotatable gear 33 fixed to the upper end of the ball screw 32, and the main body frame 7
Handle 35 fixed to the upper end of a rotary shaft 34 protruding upward from the central portion of 0, a gear 36 fixed to the lower end of the rotary shaft 34 and rotatably supported by a body frame 70 at a fixed position, and this gear A gear 37 as a power transmission means that meshes with both the gear 36 and the gear 33 to transmit the rotational force by the operation of the handle 35 to the gear 33.

Therefore, when the gear 36 is rotated by the operation of the handle 35, the rotation of the gear 36 is transmitted to the gear 33 by the gear 37 and the ball screw 32 is also rotated. It moves up and down with respect to the frame 70. As a result, the fixed shaft 12a also moves up and down, and the upper roller 12 moves toward and away from the lower roller 11.

The ball screw 32 is formed with a collar 32a protruding outward on the outer periphery of the intermediate portion, and an elastic pressing means provided in a compressed state between the collar 32a and the nut member 31. The upper roller 12 is constantly urged toward the lower roller 11 by a strong coil spring 32b, so that the upper roller 12 is prevented from rattling.

If the coil spring 32b is provided, the upper roller 12 can be prevented from being tilted, which would occur when several covered wires are pressed by only one side of the pressing roller 10, and the entire length of the pressing roller 10 can be prevented. There is an effect that a constant gap is formed and the covering material can be pressed with a constant force at all times.

As the elastic pressing means, an elastic body such as a rubber member may be used in addition to the coil spring 32b.

The introducing member 40, as shown in FIG.
A plurality of rollers 4 rotating about a vertical axis on a rod-shaped base material 41 having a length substantially the same as the width of the pressing roller 10.
2 are arranged at regular intervals, and are installed on the introduction side of the covered electric wire of the pressing roller 10. The introducing member 40 is adapted to pass the covered electric wires one by one into the respective grooves 43 formed by the roller 42 and the base material 41, and in a state where a plurality of covered electric wires are aligned, the pressing roller is provided. Can be supplied to 10.

Before the introduction member 40, as shown in FIG.
As shown in FIG. 4, a plurality of covered electric wires supplied from the electric wire supply 2 are provided at a position facing the introducing member 40.
A guide member 45 for leading to 0 is provided. As shown in FIG. 3, the guide member 45 has a rectangular hole 46 having a length substantially the same as the length of the introducing member 40,
By guiding the coated electric wire to the introduction member 40 after passing through the hole 46, the introduction electric member 40 is not directly subjected to an excessive tension, and the covered electric wire can be smoothly supplied.

As shown in FIG. 6, the separating plate 50 is a bent plate member composed of an upper horizontal plate 51, an inclined plate 52, and a lower horizontal plate 53, and the tip of the upper horizontal plate 51 is thinly tapered. Has been formed. The sorting plate 50 is installed such that the tip of the upper horizontal plate 51 is located in the vicinity of the covered electric wire feeding portion between the upper roller 12 and the lower roller 11, and is passed through the long hole 53a of the lower horizontal plate 53. It is fixed to the main body frame 70 by the bolts.

The recovery container 60, as shown in FIG.
It is composed of a conductor collecting basket 61 and a covering material collecting basket 62. The conducting wire collecting basket 61 is installed in the lower front part of the sorting plate 50, and the covering material collecting basket 62 is installed in the lower part of the sorting plate 50.

Further, as shown in FIG. 1, a coating material removing knife is provided on the coated electric wire sending side of the lower roller 11 so that the coating material separated from the conducting wire by the pressing roller 10 does not wind around the lower roller 11. 16 are provided. As shown in FIG. 7, the coating material removing knife 16 has a knife main body 18 having a blade 18a at the upper end, which has a length substantially similar to the width of the lower roller 11 at the center of a cylindrical base material 17. And the tip of the blade 18a is the lower roller 1.
It is installed along the roller surface of No. 1 with a slight separation.

The coated electric wire sorting apparatus 1 configured as described above, after passing the plurality of coated electric wires A supplied from the electric wire supply 2 through the guide member 45 (see FIG. 1), is as shown in FIG. , Is introduced between the lower roller 11 and the upper roller 12 through the groove 43 of the introducing member 40, and the torque motor 20
When the lower roller 12 is rotated by activating, the plurality of covered electric wires A are drawn between the lower roller 11 and the upper roller 12 in a state of being aligned, and the covered electric wire A is pressed by the pressing roller 10.

The gap between the lower roller 11 and the upper roller 12 must be adjusted in advance by the approaching / separating means 30. The set value of the gap varies depending on the wire diameter. For example, as shown in Table 1, for a covered wire in which a two-layer covering material made of PEF (foamed polyethylene) and PE (polyethylene) is extruded and covered on a copper wire,
Covered wire with wire size 0.4 mm (outer diameter = 0.71 m
It is appropriate to set the gap to 0.3 mm for m) and 0.5 mm for the covered electric wire (outer diameter = 1.11 mm) having an electric wire size of 0.65 mm. However, when the upper roller 12 has vertical rattling, it is necessary to set the gap smaller than the set value in consideration of the rattling.

[0030]

[Table 1]

When the coated electric wire A is pressed by the pressing roller 10, as shown in FIG. 9, the flexible covering material b is crushed and divided into left and right parts, and the conductor wire a and the covering material b are pressed in a separated state. It is sent out from the roller 10. Here, when the operator guides the conducting wire a to the upper surface side of the separating plate 50 and the coating material b to the lower surface side of the separating plate 50, the conducting wire a is then moved along the upper surface of the separating plate 50 as shown in FIG. It is guided to the collecting basket 61 for conducting wires and accumulated in the collecting basket 61 for conducting wires. On the other hand, the coating material b is accumulated as it is in the coating material recovery basket 62 below the sorting plate 50.

The sorting apparatus 1 is designed to sort a plurality of covered electric wires at the same time, but the present invention is not particularly limited to this, and is intended to separate only one covered electric wire. Good. However, in that case, the introduction member 4
It is not necessary to set 0.

Further, the introduction member 40 can smoothly supply the electric wire to the pressing roller 10 due to the presence of the roller 42. However, such a roller 42 is not always necessary and a plurality of grooves are provided. A simple comb-shaped member may be used as the introduction member as long as it has the above.

[0034]

As described above, the sorting apparatus of the present invention is
Since the covering material of the covered electric wire is crushed by the pressing roller and separated into the conductor wire and the covering material and sent out, and these are separated, even if the conductor wire has a small diameter, the conductor wire and the covering material are not damaged. Since it is possible to separate and, it is possible to prevent disconnection during separation, and the separation work can be performed smoothly. In particular, the one provided with a separation plate and the one provided with a recovery container are convenient because handling such as separation and storage after separation is easy.

Further, by providing a pressing roller approaching / separating means for changing the amount of the gap between the pressing rollers, it is possible to cope with the covered electric wires of various sizes by adjusting the amount of the gap.

Further, in the case where the introduction member is provided, a plurality of covered electric wires can be separated at the same time, so that the classification efficiency is improved, and particularly in the case of the introduction member using the roller, the covered electric wires can be smoothly supplied. effective.

[Brief description of drawings]

FIG. 1 is a schematic side view showing an embodiment according to the present invention.

FIG. 2 is a front view of the above.

FIG. 3 is a plan view of the above.

FIG. 4 is a detailed view showing the approaching / separating means of the above.

FIG. 5 is a perspective view showing the above-mentioned introducing member.

FIG. 6 is a perspective view showing a sorting plate of the same.

FIG. 7 is a view showing the above-mentioned coating material removing knife.

FIG. 8 is a plan view showing a usage state of the above.

FIG. 9 is a view showing a separated state of the above conductive wire and a covering material.

FIG. 10 is a view showing a state in which the above-mentioned conducting wire and a covering material are separated.

FIG. 11 is a partially cutaway front view showing a conventional example.

[Explanation of symbols]

 1 Coated Wire Separation Device 10 Pressing Roller 20 Torque Motor 30 Approaching / Separating Means 40 Introducing Member 50 Separation Plate 60 Recovery Container 70 Main Frame

Claims (8)

[Claims] 1. A pair of pressing rollers that squeeze the coating wire to be introduced and press it so as to squeeze the coating material and separate it from the conducting wire, and a rotation driving unit that rotationally drives the pressing roller. Equipped with a covered wire sorting device. 2. On the delivery side of the coated electric wire of the pressing roller,
The apparatus for separating a covered electric wire according to claim 1, further comprising a separating plate for separating the covered electric wire sent out by the pressing roller into a conductive wire and a covering material. 3. The apparatus for separating a coated electric wire according to claim 1, further comprising a recovery container for recovering each of the coating material and the conductive wire separated by the separation plate. 4. A pressing roller approaching / separating means for changing a gap amount between the pair of pressing rollers is provided.
Alternatively, the coated electric wire separation device according to the above item 3. 5. The coated electric wire according to claim 1, 2, 3 or 4, wherein an introduction member having a plurality of guide grooves for arranging the plurality of coated electric wires at predetermined intervals is provided on the introduction side of the coated electric wire of the pressing roller. Sorting equipment. 6. The apparatus according to claim 5, wherein the introducing member comprises a plurality of roller members which rotate about a vertical axis and are arranged on a base material at predetermined intervals. 7. The delivery side of the coated electric wire of the pressing roller,
The apparatus for separating a coated electric wire according to claim 1, further comprising a coating material removal knife for preventing the coating material separated from the conductive wire from being wound. 8. The apparatus for separating a covered electric wire according to claim 4, wherein the approaching / separating means is provided with an elastic pressing means for urging one pressing roller toward the other pressing roller.