KR20170092859A - Wire stripping apparatus - Google Patents

Abstract

The present invention relates to a wire stripping apparatus, which may comprise: a first rotary blade installed in a first direction from a wire insert path, into which a wire is introduced, to form a first incision line on the sheath of the wire; a second rotary blade installed in a second direction, which is different from the first direction, from the wire insert path to form a second incision line on the sheath of the wire; a third rotary blade installed in a third direction, which is different from the second direction, from the wire insert path to form a third incision line on the sheath of the wire; a rotary driving unit which rotates the first rotary blade, the second rotary blade, and the third rotary blade to move the wire to the wire insert path; and a rotary blade moving unit which is able to move the first rotary blade, the second rotary blade, and the third rotary blade forward and backward in the direction of the wire in accordance with the thickness or shape of the wire. Therefore, the wire stripping apparatus of the present invention can greatly reduce work time, costs, and workforce and improve productivity.

Description

[0001] The present invention relates to a wire stripping apparatus,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a wire breaking apparatus, and more particularly, to a wire breaking apparatus that can be applied to electric wires of various sizes and shapes by automating electric wire breaking work.

Generally, most electric apparatuses or electronic apparatuses, as well as most power apparatuses that transmit electricity such as power plants, substations, and switchgears, are basically made of a conductive material such as copper or aluminum, , PVC), which are wrapped by insulating cloth, are widely used.

In the meantime, after the use of the raw material has been increased, the waste wire has conventionally been burned and melted to recycle the abandoned waste wire. However, there was a problem that the atmosphere was contaminated and the cloth was not recycled.

In order to solve this problem, there has been proposed a method of cutting off the sheath of a wire, but this method has a problem that a human being depended on manpower by using a cutting knife and waste time, manpower and cost are wasted.

In order to solve these problems, recently, an upper and lower roller in which a plurality of wire inlets each having a thickness for forming thick cutting edges are formed, and a motor for rotating the upper and lower rollers are applied, A motorized wire breaking device was developed.

However, such conventional wire breaking apparatuses can not be applied to electric wires of substantially different thicknesses or shapes, since the wire inlet of a predetermined size of a predetermined size is not precisely fitted to all types of electric wires, In the case of a complex type of wire, there are many problems such as incomplete dissection, difficulty in molting, difficulty in peeling, and troublesome work.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems and it is an object of the present invention to adjust the depth of the incision to be precisely controlled by adjusting the forward and backward distance of the rotary blade according to the thickness and shape of the electric wire, It is possible to eliminate all kinds of wire coverings by forming improvement, and it is possible to greatly reduce the work time, cost and manpower by automating the cable stripping work, and it is possible to dramatically improve the productivity of the wire stripping work And to provide a wire breaking apparatus capable of preventing the wire from falling off. However, these problems are exemplary and do not limit the scope of the present invention.

According to an aspect of the present invention, there is provided a wire breaking apparatus comprising: a first wire which is installed in a first direction with respect to a wire inflow passage through which a wire flows, Rotating blade; A second rotary blade installed in a second direction different from the first direction on the basis of the wire inflow passage and capable of forming a second section on the coating of the electric wire; A third rotary blade installed in a third direction different from the second direction with respect to the wire inflow passage and capable of forming a third section improvement on the coating of the electric wire; A rotation driving device for rotating the first rotary blade, the second rotary blade and the third rotary blade so as to move the electric wire to the electric wire inflow passage; And a rotary blade advance / retreat device capable of advancing / retracting the first rotary blade, the second rotary blade and the third rotary blade in the electric wire direction according to the thickness or shape of the electric wire.

According to the present invention, there is further provided a fourth rotary blade installed in a fourth direction different from the third direction with respect to the wire inflow passage and capable of forming a fourth section improvement on the coating of the electric wire And the rotation driving device rotates the fourth rotary blade so as to move the electric wire to the electric wire inflow passage, and the rotary blade forward / backward device rotates the fourth rotary blade in accordance with the thickness or the shape of the electric wire, Can be moved back and forth in the direction of the wire.

Further, according to the present invention, the rotary blade advance / retreat device includes a main body having the wire inflow passage formed on one side thereof; A first movable body installed to the main body so as to be movable forward and backward along the first direction along a first direction guide member and rotatably supporting the first movable rotary shaft of the first rotary blade; A second movable member installed to the main body so as to be movable back and forth along the second direction along a second direction guide member and supporting the second movable rotary shaft of the second rotary blade in a freely rotatable manner; A third movable body which is provided so as to be movable forward and rearward in the third direction along a third direction guide member provided on the main body, and which rotatably supports a third movable rotary shaft of the third rotary blade; A fourth movable body installed to be movable forward and backward in the fourth direction along a fourth direction guide member installed on the main body, the fourth movable body being rotatably supported by the fourth movable rotary shaft of the fourth rotary blade; A first pin formed on the first movable body is inserted into one side of the main body so as to be rotatable by a first rotation angle and the first pin is moved forward and backward in the center direction of rotation in accordance with the first rotation angle, And a second pin formed on the second movable member is inserted into the other side of the first guide groove so that the second pin rotates in accordance with the first rotation angle. A second guide groove formed to be inclined with respect to the circumferential direction so as to be guided forward and rearward in the center direction is formed and a third pin formed on the third movable member is inserted into the other side of the second guide groove, A third guide groove formed to be inclined with respect to a circumferential direction so as to guide the third pin forward and backward in the center direction of rotation, A fourth guide groove is formed to be inclined with respect to the circumferential direction so that the fourth pin formed on the fourth movable member is inserted and guided in the forward and backward directions of the fourth pin in the direction of the center of rotation according to the first rotation angle A first cam member which is generally disk-shaped and which is shaped as a whole; And a first cam member rotational angle adjusting device capable of adjusting the first rotational angle of the first cam member.

In addition, according to the present invention, the first cam member rotation angle adjusting device may include: an adjustment wheel rotatably installed on the main body and having a knob on one side; A screw rod connected to the rotational axis of the adjusting wheel; And a movable link which is linked with a rotating arm portion formed on one side of the first cam member and is screwed back and forth by rotation of the screw rod.

According to the present invention, the rotation drive device includes a first power transmission device capable of transmitting the rotational force of the first fixed rotation shaft of the first planetary gear fixedly rotatable to the main body to the first movable rotation shaft, ; A second power transmission device capable of transmitting the rotational force of a second fixed rotation shaft of a second planetary gear fixedly rotatably supported to the main body to the second movable rotation shaft capable of moving; A third power transmission device capable of transmitting the rotational force of a third fixed rotational shaft of the third planetary gear fixedly rotatably supported to the main body to the movable third rotational shaft; A fourth power transmission device capable of transmitting the rotational force of a fourth fixed rotary shaft of the fourth planetary gear fixedly rotatably supported to the main body to the movable fourth rotary shaft; A sun gear installed in a ring shape around the electric wire inflow passage of the main body and engaged with the first planetary gear, the second planetary gear, the third planetary gear, and the fourth planetary gear; A drive motor installed in the main body; And a motor power transmission device installed between the sun gear and the drive motor.

Further, according to the present invention, the first power transmission device includes: a drive spiral gear provided on the first fixed rotation shaft; A connecting spiral gear provided on an intermediate rotating shaft rotatably supported on the first movable body so as to be perpendicular to the first fixed rotating shaft and meshing with the driving spiral gear; And a driven spiral gear installed on the first movable rotary shaft and engaged with the connection spiral gear.

Further, the wire breaking apparatus according to the present invention may further include a wire holder device which contacts the wire introduced into the wire inflow passage to support the wire.

Further, according to the present invention, the wire holder device may further include: a first holder provided between the first rotary blade and the second rotary blade so as to be movable forward and backward in the direction of the electric wire; A second holder disposed between the second rotary blade and the third rotary blade so as to be movable forward and backward in the direction of the electric wire; A third holder disposed between the third rotating blade and the fourth rotating blade so as to be movable forward and backward in the electric wire direction; A fourth holder provided between the fourth rotary blade and the first rotary blade so as to be movable back and forth in the direction of the electric wire; And a first protrusion formed on the first holder is inserted into one side of the body so as to be rotatable by a second rotation angle so that the first protrusion is moved forward and backward in the center direction of rotation according to the second rotation angle, And a second protrusion formed on the second holder is inserted into the other end of the second protrusion so that the second protrusion is rotated in the center direction of rotation according to the second rotation angle And a third projection formed on the third holder is inserted into the other of the first and second projections so that the third projections are formed on the second projections in accordance with the second rotation angle, Is formed to be inclined with respect to the circumferential direction so as to be guided forward and backward in the direction of the center of rotation, and on the other side of the fourth holder And a fourth protrusion formed to be inclined with respect to the circumferential direction so as to guide the fourth protrusion in the forward and backward directions of the rotation center in accordance with the second rotation angle, And a second cam member having a generally disk shape and having a lever portion formed thereon.

In addition, according to the present invention, the first holder may be formed with a sharp-pointed front end that is in contact with the electric wire, and a bent portion that is entirely bent toward the front end.

In addition, according to the present invention, in order to allow the second cam member to be rotatably supported by the fixing pins, the first chapter, the second chapter, the third chapter, and the fourth chapter A rotation guide hole portion into which the fixing pins are inserted may be formed between each of the guide pins.

According to some embodiments of the present invention as described above, the depth of incision can be controlled very precisely by controlling the forward and backward distances of four rotary blades even if the thickness or shape of the electric wire is changed, It can cut out all kinds of wire covering by various types and types by automation, and it can greatly reduce the work time, cost, and manpower by automating the cable cutting work, thereby dramatically improving the productivity of wire cutting work It is possible to have effect. Of course, the scope of the present invention is not limited by these effects.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an external perspective view showing a wire breaking apparatus according to some embodiments of the present invention. Fig.
2 is a front view of the wire breaking apparatus of FIG.
3 is a side view of the wire breaking apparatus of FIG.
4 is a front perspective view showing a state in which the holder support is removed from the wire breaking apparatus of FIG.
5 is a front view of the wire breaking apparatus of FIG.
6 is a side view of the wire breaking apparatus of FIG.
Fig. 7 is a plan view of the wire breaking apparatus of Fig. 4;
8 is a rear perspective view of the wire breaking apparatus of FIG.
Fig. 9 is a rear view of the wire breaking apparatus of Fig. 4;
10 is a front view showing a rotation driving apparatus of the wire breaking apparatus of FIG.
11 is a side view showing the rotation drive device of Fig.
12 is a plan view showing the rotation drive device of Fig.
Fig. 13 is a perspective view showing the first power transmission device of the rotation drive device of Fig. 10; Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention are described in order to more fully explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, It is not limited to the embodiment. Rather, these embodiments are provided so that this disclosure will be more thorough and complete, and will fully convey the concept of the invention to those skilled in the art. In the drawings, the thickness and size of each layer are exaggerated for convenience and clarity of explanation.

It is to be understood that throughout the specification, when an element such as a film, region or substrate is referred to as being "on", "connected to", "laminated" or "coupled to" another element, It will be appreciated that elements may be directly "on", "connected", "laminated" or "coupled" to another element, or there may be other elements intervening therebetween. On the other hand, when one element is referred to as being "directly on", "directly connected", or "directly coupled" to another element, it is interpreted that there are no other components intervening therebetween do. Like numbers refer to like elements. As used herein, the term "and / or" includes any and all combinations of one or more of the listed items.

Although the terms first, second, etc. are used herein to describe various elements, components, regions, layers and / or portions, these members, components, regions, layers and / It is obvious that no. These terms are only used to distinguish one member, component, region, layer or section from another region, layer or section. Thus, a first member, component, region, layer or section described below may refer to a second member, component, region, layer or section without departing from the teachings of the present invention.

Also, relative terms such as "top" or "above" and "under" or "below" can be used herein to describe the relationship of certain elements to other elements as illustrated in the Figures. Relative terms are intended to include different orientations of the device in addition to those depicted in the Figures. For example, if the element is inverted in the figures, the elements depicted as being on the upper surface of the other elements will have a direction on the lower surface of the other elements. Thus, the example "top" may include both "under" and "top" directions depending on the particular orientation of the figure. If the elements are oriented in different directions (rotated 90 degrees with respect to the other direction), the relative descriptions used herein can be interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a," "an," and "the" include singular forms unless the context clearly dictates otherwise. Also, " comprise "and / or" comprising "when used herein should be interpreted as specifying the presence of stated shapes, numbers, steps, operations, elements, elements, and / And does not preclude the presence or addition of one or more other features, integers, operations, elements, elements, and / or groups.

Hereinafter, embodiments of the present invention will be described with reference to the drawings schematically showing ideal embodiments of the present invention. In the figures, for example, variations in the shape shown may be expected, depending on manufacturing techniques and / or tolerances. Accordingly, the embodiments of the present invention should not be construed as limited to the particular shapes of the regions shown herein, but should include, for example, changes in shape resulting from manufacturing.

1 is an external perspective view showing a wire breaking apparatus 100 according to some embodiments of the present invention. FIG. 2 is a front view of the wire breaking apparatus 100 of FIG. 1, and FIG. 3 is a side view of the wire breaking apparatus 100 of FIG.

First, a wire breaking apparatus 100 according to some embodiments of the present invention is an apparatus capable of automatically releasing the cover 3 from an electric wire 1 to recycle the cover 3 or the core 2 A rotary blade 10, a rotary drive device 20, and a rotary blade advance / retract device 30. The rotary blade 10 is a rotary blade.

For example, as shown in Figs. 1 to 3, the rotary blade 10 moves the electric wire 1 to the electric wire inflow passageway, and at the same time, four Shaped structure in which sharp edges are formed on the rim so as to form the folded sections L1, L2, L3, and L4.

4 is a front perspective view showing a state in which the holder support 41 is removed from the wire breaking apparatus 100 of FIG. 1, FIG. 5 is a front view of the wire breaking apparatus 100 of FIG. 4, FIG. 7 is a plan view of the wire breaking apparatus 100 of FIG. 4; FIG.

More specifically, for example, as shown in Figs. 4 to 7, the rotary blade 10 includes four rotary blades 11, 12, 13 and 14, The rotary blade 11 is installed in a first direction (upward in FIG. 5) relative to a wire inflow passage through which the electric wire 1 flows, L1 can be formed.

The second rotary blade 12 is provided in a second direction (right direction in FIG. 5) different from the first direction with respect to the electric wire inflow passage, and the second rotary blade 12 is provided on the cover 3 of the electric wire 1 The second right-hand side horizontal blade that can form the improvement (L2) can be used.

The third rotary blade 13 is provided in a third direction (downward in FIG. 5) different from the second direction with respect to the wire inflow passage, and the third rotary blade 13 is provided in the cover 3 of the electric wire 1 Side lower blade that can form a three-section improvement L3.

The fourth rotary blade 14 is provided in a fourth direction (left direction in FIG. 5) different from the third direction with respect to the wire inflow passage, and the fourth rotary blade 14 is provided on the cover 3 of the electric wire 1 4. It may be a disk-shaped left horizontal blade capable of forming an improvement (L4).

However, the rotary blades 10 may be provided with three rotary blades arranged at equal angles of 120 degrees with respect to each other, although not shown, in addition to the four rotary blades that are equally arranged at 90 degrees with each other. It can be arranged in an equidistant manner.

Therefore, as shown in the enlarged part of FIG. 2, the first rounding-off (L1), the second rounding-off (L1) and the second rounding L2, L3, and L4 can be formed, so that even if the core is complex or uneven, for example, the wire can be easily peeled off.

In addition, the four cut-outs L1, L2, L3, and L4 are dispersed in at least four directions with respect to the electric wire 1 so that the electric wire 1 is firmly supported .

1 to 7, the rotation driving device 20 includes the first rotary blade 11 and the second rotary blade 11 so as to move the electric wire 1 to the electric wire inflow passage, The rotary blade 12, and the third rotary blade 13 and the fourth rotary blade 14, respectively.

4 to 7, the rotary blade advance / retreat device 30 is configured to rotate the first rotary blade 11 and the second rotary blade 11 in accordance with the thickness or shape of the electric wire 1, (12), and the third rotary blade (13) and the fourth rotary blade (14) in the direction of the electric wire.

Fig. 8 is a rear perspective view of the wire breaking apparatus 100 of Fig. 4, and Fig. 9 is a rear view of the wire breaking apparatus 100 of Fig.

4 to 9, the rotary blade advance / retreat apparatus 30 mainly includes a main body 35, a first movable body 31, and a second movable body (not shown) 32, a third movable body 33, a fourth movable body 34, a first cam member 36, and a first cam member rotation angle adjusting device 37. [

For example, as shown in FIGS. 4 to 9, the main body 35 is a structure in which the electric wire inflow passage is formed on one side, and various horizontal members, vertical members, And may be a kind of frame structure having sufficient strength and durability to support the electric wire 1.

4 to 9, the first movable body 31 is moved forward and backward in the first direction along the first direction guide member G1 provided on the main body 35, Shaped structure in which the first movable rotary shaft MS1 of the first rotary blade 11 is rotatably supported.

For example, the second movable body 32 is provided so as to be movable forward and backward in the second direction along the second direction guide member G2 provided on the main body 35, Shaped structure that rotatably supports the second movable rotary shaft MS2 of the first movable rotary shaft MS2.

For example, the third movable body 33 is provided so as to be movable back and forth in the third direction along the third direction guide member G3 provided on the main body 35, Shaped structure in which the third movable rotary shaft MS3 of the first movable shaft 13 is rotatably supported.

For example, the fourth movable body 34 is provided so as to be movable back and forth in the fourth direction along a fourth direction guide member G4 provided on the main body 35, Shaped structure that rotatably supports the fourth movable rotary shaft MS4 of the first movable rotary shaft 14 as shown in Fig.

8 and 9, the first cam member 36 is provided on the main body 35 so as to be rotatable by a first rotation angle, A first pin (P1) formed on the first pin (31) is inserted and is inclined with respect to the circumferential direction so that the first pin (P1) can be guided forward and backward in the rotation center direction according to the first rotation angle And a second pin (P2) formed on the second movable body (32) is inserted into the other side of the first guide groove (GH1), and the second pin (P2) A second guide recess GH2 formed to be inclined with respect to the circumferential direction so as to be guided forward and backward in the direction of the second guide protrusion G2 and a third pin P3 formed on the third movable member 33 on the other And guides the third pin (P3) forward and backward in the direction of the center of rotation according to the first rotation angle And a fourth pin (P4) formed on the other side of the fourth movable body (34) is inserted into the third guide recess (GH3) so as to be inclined with respect to the first rotation And a fourth guide recess GH4 formed to be inclined with respect to the circumferential direction so as to guide the fourth pin (P4) in the forward / .

1 to 9, the first cam member rotation angle regulating device 37 may be a device capable of adjusting the first rotation angle of the first cam member 36. As shown in FIG.

1 to 9, the first cam member rotational angle adjusting device 37 includes a main body 35 that is rotatably installed and has a knob portion 371 formed on one side thereof, Is coupled with a rotating arm portion (374) formed on one side of the first cam member (36) and a screw rod (373) connected to the rotation axis of the adjustment wheel (372) 373) of the movable link (375).

5, when the user holds the handle 371 by hand and rotates the adjusting wheel 372, the screw 373 is screwed so that the movable link 375 is moved forward and backward And the first cam member 36 is rotated by the first rotation angle by the forward and backward movement of the movable link 375. When the first cam member 36 is rotated, And the third guiding elongate GH2 inserted into the first guide elongation GH1, the second guiding elongation GH2, the third guiding elongation GH3 and the fourth guiding elongation GH4 of the member 36, The first pin P1, the second pin P2, the third pin P3, and the fourth pin P4 may be moved in the direction of the wire inflow passage.

At this time, the first movable body 31, the first movable body 31, the second movable body 31, and the second movable body 31 are connected to the first pin P1, the second pin P2, the third pin P3, When the movable body 31, the first movable body 31, and the first movable body 31 are thin wires, they move in the direction of the wire inflow passageway, or if they are thick wires, The position and depth of the perforated lines (L1), (L2), (L3) and (L4) can be precisely adjusted according to the wire thickness and shape, and can be universally used for all the wires.

Therefore, even if the thickness or the shape of the electric wire is changed, it is possible to precisely adjust the forward and backward distances of the four rotary blades 11, 12, 13, and 14, (L1), (L2), (L3), and (L4), thereby making it possible to remove all of the wire coverings of various shapes or types, Can greatly reduce the work time, cost, and manpower, and it is possible to dramatically improve the productivity of wire cutting work.

10 is a front view showing the rotation driving apparatus 20 of the wire breaking apparatus 100 of FIG. 4, FIG. 11 is a side view showing the rotation driving apparatus 20 of FIG. 10, Fig. 13 is a perspective view showing the first power transmitting device 21 of the rotation drive device 20 of Fig. 10; Fig.

10 to 13, the rotation drive device 20 includes a first power transmission device 21, a second power transmission device 22, a third power transmission device (not shown) 23, a fourth power transmission device 24, a sun gear SG, a drive motor M and a motor power transmission device 25. [

More specifically, for example, as shown in Figs. 10 to 13, the first power transmission device 21 includes a first planetary gear set PG1 fixedly rotatably supported on the main body 35, And may be a kind of gear combination capable of transmitting the rotational force of the fixed rotary shaft SS1 to the first movable rotary shaft MS1 capable of moving.

The second power transmission device 22 is provided with the second movable rotation axis SS2 capable of moving the rotational force of the second fixed rotation axis SS2 of the second planetary gear PG2 fixedly rotatably supported to the main body 35, 0.0 > MS2. ≪ / RTI >

The third power transmission device 23 is configured to transmit the rotation force of the third fixed rotation axis SS3 of the third planetary gear PG3 fixedly rotatable to the main body 35 to the third movable rotation axis Lt; RTI ID = 0.0 > MS3. ≪ / RTI >

The fourth power transmitting device 24 is configured to transmit the rotational force of the fourth fixed rotary shaft SS4 of the fourth planetary gear PG4 fixedly rotatably supported to the main body 35 to the fourth movable rotary shaft 0.0 > MS4. ≪ / RTI >

The sun gear SG is provided in a ring shape around the electric wire inflow passage of the main body 35 and is provided with the first planetary gear PG1, the second planetary gear PG2, And may be a kind of sun gear engaged with the third planetary gear PG3 and the fourth planetary gear PG4.

The drive motor M is a drive motor M installed in the main body 35 and the motor power transmission device 25 is installed between the sun gear SG and the drive motor M. [ And a power transmission device for transmitting the rotational power of the drive motor M to the sun gear SG. The motor power transmission device 25 includes a drive sprocket wheel 251 mounted on a rotary shaft of the drive motor M, a driven sprocket wheel 252 installed on one side of the sun gear SG, The sprocket wheel 251 and the chain 253 mounted on the driven sprocket wheel 252 may be applied to various types of power transmission devices such as various gear combinations, belt and pulley combination, wire and pulley combination, All of which can be applied.

10 to 13, the first power transmission apparatus 21 includes a drive spiral gear SP1 installed on the first fixed rotation axis SS1, A connecting spiral gear SP2 provided on an intermediate rotation axis CS1 rotatably supported on the first movable body 31 so as to be perpendicular to the first spindle gear SS1 and engaged with the driving spiral gear SP1, And a driven spiral gear SP3 provided on the first movable rotary shaft MS1 and engaged with the connection spiral gear SP2. However, the first power transmission device 21 is not necessarily limited to the spiral gear combination.

9 to 13, when the drive motor M rotates the drive sprocket wheel 251, the driven sprocket wheel 252 is rotated by the chain 253, (SG) can be rotated.

Then, when the sun gear SG is rotated, the first planetary gear PG1, the second planetary gear PG2, the third planetary gear PG3, and the fourth planetary gear PG4 rotate The driving spiral gear SP1, the connecting spiral gear SP2 and the driven spiral gear provided on the first fixed rotation axis SS1 may be rotated.

At this time, due to the nature of the spiral gear engaged with each other, the first movable rotation axis MS1 can be raised and lowered, so that even if the first movable body 31 moves back and forth in the direction of the electric wire 1, The rotational force can be transmitted to the rotary blade 11 as it is.

1 to 3, a wire breaking apparatus 100 according to some embodiments of the present invention includes a wire 1, which contacts with the wire 1 flowing into the wire inflow passage, And an electric wire holder device (40) for supporting the electric wire holder device (40).

For example, as shown in FIGS. 1 to 3, the electric wire holder device 40 is installed in a holder support 41 provided in front of the electric wire inflow passage of the main body 35, A first holder HD1 provided between the blade 11 and the second rotary blade 12 so as to be movable forward and backward in the direction of the electric wire; And a second holder (HD2) provided between the third rotary blade (13) and the fourth rotary blade (14) so as to be movable back and forth in the direction of the electric wire 3 holder HD3 and a fourth holder HD4 which is provided between the fourth rotary blade 14 and the first rotary blade 11 so as to be movable back and forth in the direction of the electric wire, The first protrusion (T1) formed on the first holder (HD1) is inserted into the first protrusion The first protrusion (K1) is inclined with respect to the circumferential direction so that the first protrusion (T1) can be guided forward and backward in the direction of the center of rotation according to the second rotation angle, and the first protrusion (K1) A second projection T2 formed in the second holder HD2 is inserted and is tilted with respect to the circumferential direction so that the second projection T2 can be guided forward and backward in the rotation center direction in accordance with the second rotation angle And a third projection T3 formed on the third holder HD3 is inserted into the other side of the third projection K3 to rotate the third projection T3 in accordance with the second rotation angle And a fourth protrusion T4 formed on the other side of the fourth holder HD4 is formed on the other side of the third protrusion T3, And the fourth projection T4 is moved in accordance with the second rotation angle (K4) formed so as to be inclined with respect to the circumferential direction so as to be able to advance forward and backward in the direction of the center of the front, and a lever portion (L) formed on the other side, (42).

More specifically, as shown in FIGS. 1 to 3, the first holder HD1 has a pointed portion HDa which is in contact with the electric wire 1 with a sharp point, and is bent as it goes toward the distal end portion HDa The bent portion HDb can be formed.

In addition, for example, in order to allow the second cam member 42 to be rotatably supported by the fixing pins FP, the first sheet of paper K1, the second sheet of paper K2, A rotation guide hole GP into which the fixing pins FP are inserted may be formed between the third chapter K3 and the fourth chapter K4.

Therefore, as shown in FIG. 2, after the electric wire 1 is introduced into the electric wire inflow passage, the rotary blades 11, 12, 13, and 14 are advanced to move the electric wire 1 Before cutting the cover 3, the user rotates the lever portion L to rotate the first projection T1, the second projection T2, the third projection T3, and the fourth projection T3, The first holder HD1, the second holder HD2, the third holder HD3 and the fourth holder HD4 are connected to the electric wire 1 in the direction of the electric wire 1, So that the electric wire 1 guided by the bent portion can be firmly supported. Therefore, it is possible to prevent the electric wire 1 from being detached from the electric wire inflow passage, and to allow the electric wire to flow into the electric wire inflow passage at a high speed, thereby greatly improving the work speed and productivity.

While the present invention has been described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1: Wires
10: Rotating blade
11: first rotating blade
12: 2nd rotary blade
13: Third rotating blade
14: Fourth rotary blade
20: Rotary driving device
21: First power transmission device
22: Second power transmission device
23: Third power transmission device
24: Fourth power transmission device
25: Motor power transmission device
30: Rotary blade forward / backward device
31: First movable body
32: second movable element
33: Third movable element
34: fourth movable element
35:
36: first cam member
37: First cam member rotation angle adjusting device
40: Wire holder device
100: wire breaking device

Claims (10)

A first rotary blade installed in a first direction with respect to an electric wire inflow passage through which electric wires flow, and capable of forming a first section improvement on a covering of the electric wire;
A second rotary blade installed in a second direction different from the first direction on the basis of the wire inflow passage and capable of forming a second section on the coating of the electric wire;
A third rotary blade installed in a third direction different from the second direction with respect to the wire inflow passage and capable of forming a third section improvement on the coating of the electric wire;
A rotation driving device for rotating the first rotary blade, the second rotary blade and the third rotary blade so as to move the electric wire to the electric wire inflow passage; And
A rotary blade advance / retreat device capable of advancing / retreating the first rotary blade, the second rotary blade and the third rotary blade in the direction of the electric wire according to the thickness or shape of the electric wire;
And an electric wire. The method according to claim 1,
Further comprising a fourth rotary blade installed in a fourth direction different from the third direction with respect to the wire inflow passage and capable of forming a fourth section improvement on the coating of the electric wire,
Wherein the rotation driving device rotates the fourth rotary blade so as to move the electric wire to the electric wire inflow passage,
Wherein the rotary blade advance and retreat device is capable of advancing and retracting the fourth rotary blade in the direction of the electric wire according to the thickness or shape of the electric wire. 3. The method of claim 2,
Wherein the rotary blade forward /
A main body in which the wire inflow passage is formed at one side;
A first movable body installed to the main body so as to be movable forward and backward along the first direction along a first direction guide member and rotatably supporting the first movable rotary shaft of the first rotary blade;
A second movable member installed to the main body so as to be movable back and forth along the second direction along a second direction guide member and supporting the second movable rotary shaft of the second rotary blade in a freely rotatable manner;
A third movable body which is provided so as to be movable forward and rearward in the third direction along a third direction guide member provided on the main body, and which rotatably supports a third movable rotary shaft of the third rotary blade;
A fourth movable body installed to be movable forward and backward in the fourth direction along a fourth direction guide member installed on the main body, the fourth movable body being rotatably supported by the fourth movable rotary shaft of the fourth rotary blade;
A first pin formed on the first movable body is inserted into one side of the main body so as to be rotatable by a first rotation angle, and the first pin is moved forward and backward in the center direction of rotation according to the first rotation angle, And a second pin formed on the second movable member is inserted into the other side of the first guide groove so that the second pin rotates in accordance with the first rotation angle. A second guide groove formed to be inclined with respect to the circumferential direction so as to be guided forward and rearward in the center direction is formed and a third pin formed on the third movable member is inserted into the other side of the second guide groove, A third guide groove formed to be inclined with respect to a circumferential direction so as to guide the third pin forward and backward in the center direction of rotation, A fourth guide groove is formed to be inclined with respect to the circumferential direction so that the fourth pin formed on the fourth movable member is inserted and guided in the forward and backward directions of the fourth pin in the direction of the center of rotation according to the first rotation angle A first cam member which is generally disk-shaped and which is shaped as a whole; And
A first cam member rotation angle adjusting device capable of adjusting the first rotation angle of the first cam member;
And an electric wire. The method of claim 3,
The first cam member rotation angle adjusting device includes:
An adjustment wheel rotatably mounted on the body and having a knob on one side;
A screw rod connected to the rotational axis of the adjusting wheel; And
A movable link which is linked with a rotating arm portion formed on one side of the first cam member and is screwed back and forth by rotation of the screw rod;
And an electric wire. The method of claim 3,
The rotation drive device includes:
A first power transmission device capable of transmitting the rotational force of a first fixed rotation shaft of a first planetary gear fixedly rotatably supported to the main body to the first movable rotation shaft capable of being moved;
A second power transmission device capable of transmitting the rotational force of a second fixed rotation shaft of a second planetary gear fixedly rotatably supported to the main body to the second movable rotation shaft capable of moving;
A third power transmission device capable of transmitting the rotational force of a third fixed rotational shaft of the third planetary gear fixedly rotatably supported to the main body to the movable third rotational shaft;
A fourth power transmission device capable of transmitting the rotational force of a fourth fixed rotary shaft of the fourth planetary gear fixedly rotatably supported to the main body to the movable fourth rotary shaft;
A sun gear installed in a ring shape around the electric wire inflow passage of the main body and engaged with the first planetary gear, the second planetary gear, the third planetary gear, and the fourth planetary gear;
A drive motor installed in the main body; And
A motor power transmission device provided between the sun gear and the drive motor;
And an electric wire. 6. The method of claim 5,
The first power transmission device includes:
A driving spiral gear provided on the first fixed rotation shaft;
A connecting spiral gear provided on an intermediate rotating shaft rotatably supported on the first movable body so as to be perpendicular to the first fixed rotating shaft and meshing with the driving spiral gear; And
A driven spiral gear provided on the first movable rotary shaft and engaged with the connecting spiral gear;
And an electric wire. The method according to claim 1,
A wire holder device for contacting the wire introduced into the wire inflow passage to support the wire;
Further comprising: 8. The method of claim 7,
The wire holder device includes:
A first holder disposed between the first rotating blade and the second rotating blade so as to be movable forward and backward in the direction of the electric wire;
A second holder disposed between the second rotary blade and the third rotary blade so as to be movable forward and backward in the direction of the electric wire;
A third holder disposed between the third rotating blade and the fourth rotating blade so as to be movable forward and backward in the electric wire direction;
A fourth holder provided between the fourth rotary blade and the first rotary blade so as to be movable back and forth in the direction of the electric wire; And
A first projection formed on the first holder is inserted into one side of the main body so as to be rotatable by a second rotation angle, and the first projection is guided forward and backward in the direction of the center of rotation in accordance with the second rotation angle A second protrusion formed on the second holder is inserted into the other end of the first protrusion, and the second protrusion is moved in the center direction of rotation according to the second rotation angle A third protrusion formed in the third holder is inserted into the other of the first and second protrusions to guide the third protrusion in the second rotation angle, A third sheet of paper is formed to be inclined with respect to the circumferential direction so as to be guided forward and backward in the direction of the center of rotation, and on the other side, A fourth protrusion is formed to be inclined with respect to the circumferential direction so that the fourth protrusion can be guided forward and backward in the rotation center direction according to the second rotation angle, A second cam member having a generally disc shape and having a lever portion;
And an electric wire. 9. The method of claim 8,
Wherein the first holder has a pointed end whose tip is in contact with the electric wire and a bent portion which is bent as it goes toward the distal end. 9. The method of claim 8,
And the second cam member is rotatably supported by the fixing pins, the second cam member is rotatably supported between the first cam pin, the second cam pin, the third pin pin, and the fourth pin pin, Wherein a rotation guide hole portion into which the fixing pins are inserted is formed.

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