CN1643622A - Wire and wire coloring device - Google Patents

Abstract

An electric wire and a color device of the electric wire are provided, which are easy to identify and can restrain the quality of the assembled electric wiring from being low. The electric wire 1 includes a core wire 2 and a coating layer 3. The coating layer 3 is coated on the core wire 2. A1 st identification part 4 and a mark 5 are formed on an outer surface 3a of coating layer 3. The 1 st identification part 4 is formed on the entire circumferential surface of the outer surface 3a of the coating layer 3 at the central portion 1a in the longitudinal direction of the electric wire 1. The 1 st identification part 4 is formed by coloring the outer surface 3a with a 1 st color G different from the color p of the non-colored synthetic resin constituting the coating layer 3. The marks 5 are formed in the non-colored regions 6 provided at both end portions 1b of the electric wire 1. The non-colored region 6 is formed by exposing the non-colored coating layer 3. The logo 5 is formed by coloring a portion of the non-colored region 6 with a 2 nd color H.

Description

Wire and wire coloring device

technical field

The present invention relates to an electric wire provided with a conductive core wire and an insulating coating layer covering the core wire, and an electric wire coloring device.

Background technique

Various electronic devices are mounted on mobile bodies such as automobiles. In order to transmit the electric energy provided by the power supply to the above-mentioned electronic equipment, and to transmit the control signals from the computer, etc., the above-mentioned automobile, etc. are equipped with automobile electrical wiring. The harness includes a plurality of electric wires 100 (shown in FIGS. 4 and 5 ), and connectors attached to the ends of the electric wires 100 and the like.

As shown in FIGS. 4 and 5 , the electric wire 100 includes a conductive core wire 101 and a coating layer 102 made of an insulating synthetic resin that covers the core wire 101 . The electric wire 100 is a so-called covered electric wire. The electric wire 100 is formed by extrusion-coating an insulating synthetic resin on the outer periphery of the core wire 101 . The above-mentioned electric wire 100 can be colored in a desired color by adding a desired colorant to the above-mentioned synthetic resin when performing the above-mentioned extrusion coating.

Connectors include conductive terminal fittings and insulating sockets. The terminal fitting is installed at an end or the like of the electric wire 100 and is electrically connected to the core wire 101 of the electric wire 100 . The connector socket is box-shaped. It also accommodates terminal fittings.

When assembling the above-mentioned electric wiring, first, the electric wire 100 is cut to a predetermined length, and then terminal fittings are attached to the ends of the electric wire 100 or the like. And connect each electric wire 100 as needed. Then insert the terminal fittings into the connector housing. In this way, the above-mentioned electric wiring is assembled.

The electric wire 100 of the above-mentioned electrical wiring needs to identify the thickness of the core wire 101, the material of the covering layer 102 (whether there is a material change due to heat resistance or not), the purpose of use, and the like. The so-called purpose of use refers to an automobile system in which the wire 100 can be used, such as an airbag, ABS (Antilock Brake System), control signals such as vehicle speed information, and a power transmission system.

In order to identify the above-mentioned purpose of use of the electric wire 100 of wiring, the synthetic resin constituting the covering layer 102 has been colored in various colors by adding various colorants for many years, and various markings have been applied. Therefore, in the electric wire 100 shown in FIG. 4, the outer surface 102a of the covering layer 102 forms a stripe pattern with two colors A, B (indicated by parallel oblique lines in FIG. 4) which are different from each other.

In the electric wire 100 shown in FIG. 5, the outer surface 102a of the coating layer 102 is colored to a desired color C by adding a desired colorant to the synthetic resin constituting the coating layer 102 when extrusion coating is performed (FIG. 5 denoted by parallel slashes). Logos 103 are formed on the outer surfaces 102a of the covering layer 102 located at both ends in the longitudinal direction. The mark 103 is formed by coloring a part of the outer surface 102a of the coating layer 102 in colors D and E different from the color C (indicated by parallel oblique lines in FIG. 5 ).

On the other hand, users make various demands on automobiles. Therefore, it is desired that the above-mentioned automobiles are equipped with a greater variety of electronic equipment. For this reason, it is often necessary to use about 100 types of electric wires 100 for the above-mentioned electric wiring. In this case, it is necessary to use wires 100 of various colors.

Therefore, in the electric wire 100 shown in FIG. 4 , various colors A and B are combined to form a stripe pattern. In addition, in the electric wire 100 shown in FIG. 5 , various combinations of the color C of the colorant added to the synthetic resin constituting the covering layer 102 and the colors D and E of the marking 103 are used.

In addition, in order to suppress the weight increase of the wiring harness arranged in the above-mentioned automobile due to the installation of the above-mentioned various electronic devices, it is desirable that the electric wire 100 be made thinner. If the wire 100 with the striped pattern shown in FIG. 4 becomes thinner, the pattern constituting the stripes will naturally become thinner, making it difficult to recognize the combination of the above two colors A and B. Therefore, the possibility of wrongly distributing the wires 100 increases when the harness is assembled, thereby deteriorating the quality of the harness.

On the other hand, the electric wire 100 shown in FIG. 5 is colored in a predetermined color by adding a colorant to the synthetic resin constituting the coating layer 102 . Furthermore, marks 103 of colors D and E different from color C of the synthetic resin are formed at the ends thereof. If the electric wire 100 is very thin, it is difficult to recognize the logo 103 by the combination of the color C of the coating layer 102 and the colors D and E of the logo 103 . Therefore, the possibility of wrongly distributing the wires 100 increases when the wiring harness is assembled, thereby deteriorating the quality of the wiring harness.

Furthermore, in order to easily identify various electric wires, it is desirable to color the outer surfaces of these electric wires with various combinations of colors. However, as described above, when a coloring agent is added to the synthetic resin constituting the coating layer when the coating layer is pressed, the electric wire manufacturing apparatus must be temporarily stopped when the color needs to be changed. Alternatively, the colorant to be added is changed without stopping the operation of the electric wire manufacturing apparatus. In this case, since an electric wire in which the colorant before the change and the colorant after the change are mixed is produced, the yield rate is lowered. Therefore, existing electric wire manufacturing devices are not suitable for manufacturing electric wires of various colors.

On the other hand, various wire coloring devices have been proposed for many years to mark the ends of the wires. As mentioned above, since the electric wire coloring apparatus proposed for many years merely marks the ends of the electric wires, the combinable colors are limited and are insufficient to manufacture electric wires of the above-mentioned various colors.

SUMMARY OF THE INVENTION It is therefore a primary object of the present invention to provide an electric wire which facilitates identification while preventing deterioration of the assembled wiring harness. A second object of the present invention is to provide an electric wire coloring apparatus capable of easily manufacturing electric wires with various external colors.

Contents of the invention

In order to achieve the above-mentioned first object, the electric wire of the present invention includes, among the electric wires provided with a conductive core wire and a coating layer made of synthetic resin, which is coated on the above-mentioned core wire, by using a material different from the synthetic resin described above. The first identification portion formed by coloring the outer surface of the central portion of the above-mentioned covering layer in the longitudinal direction with the first color of the resin color; A part of the two ends forms the second identification part.

In this way, the first identification portion can be formed on the outer surface of the central portion of the covering layer. Since the first color of the first identification part is different from the color of the synthetic resin, it is easy to recognize the first color of the first identification part because the first identification part is formed on the covering layer even if the wire is thinner. In addition, the second identification part is formed on a part of both ends of the covering layer. Since the second identification part is formed on the outer surface of the covering layer, and since the second color of the second identification part is different from the color of the synthetic resin, the second color of the second identification part can be easily recognized.

Coloring the outer surface of the covering layer described in this specification means coloring the outer surface of the covering layer of the electric wire with a colorant. The colorant refers to a liquid substance in which a colorant (organic substance for industrial use) is dissolved and dispersed in water or other solvents. Examples of organic substances include dyes and pigments (most of which are organic substances and synthetic products), and dyes are sometimes used as pigments, and pigments are sometimes used as dyes. More specifically, the coloring agent mentioned in this specification refers to two things, a coloring liquid and a paint.

A coloring solution is one in which a dye is dissolved or dispersed in a solvent. The coating refers to the pigment dispersed in the dispersion liquid. Therefore, if the outer surface of the coating layer is colored with a coloring liquid, the dye can penetrate into the inside of the coating layer, and if the outer surface of the coating layer is colored with a paint, the pigment does not penetrate into the inside of the coating layer, but only adheres to the surface. That is, coloring the outer surface of the coating layer in this specification means dyeing at least a part of the outer surface of the coating layer with a dye and coating at least a part of the outer surface of the coating layer with a pigment.

In addition, it is preferable that the above-mentioned solvent and dispersion liquid have affinity with the synthetic resin constituting the electric wire covering layer. In this case, the dye can effectively penetrate into the inside of the covering layer, and the pigment can effectively adhere to the outer surface of the covering layer.

In addition, a region where the synthetic resin constituting the coating layer is exposed is provided between the first identification part and the second identification part.

Since an area is provided between the first identification part and the second identification part in this way, it is easy to identify the first identification part and the second identification part.

In addition, a plurality of the second identification parts are respectively provided at both ends of the coating layer, and the second colors of the second identification parts are different from each other.

In this way, since a plurality of 2nd identification parts are respectively provided at both ends of the covering layer, by combining the 2nd color of a plurality of 2nd identification parts and the 1st color of the 1st identification part, it is possible to Set up more types of wires that should be identified.

In order to achieve the above-mentioned second object, the electric wire coloring apparatus of the present invention is for coloring the outer surface of the above-mentioned coating layer of the electric wire which is arranged with a conductive core wire and a synthetic resin and covers the coating layer of the above-mentioned core wire. The device includes a first coloring device for coloring the central portion of the coating layer in the longitudinal direction with a first color different from the outer surface color of the coating layer; and a second coloring device for coloring the outer surface color different from the coating layer. A second coloring device for coloring a part of both end portions in the longitudinal direction of the coating layer with one color.

In this way, since the first kind of coloring device colors the central part in the longitudinal direction of the coating layer as the first color, and the second coloring device colors a part of both ends in the longitudinal direction of the coating layer as the second color, therefore By combining the first color and the second color, it is possible to set more kinds of electric wires to be recognized.

In addition, since the first and second coloring means color the above-mentioned outer surface into the first and second colors different from the surface color of the covering layer, it is easy to change the color of the outer surface of the electric wire by changing the first and second colors. .

In addition, it is preferable that the above-mentioned first coloring means color the entire outer surface of the central part of the covering layer in the first color. electric wire. In addition, the electric wires colored by the first and second coloring devices are preferably uncolored electric wires. In this case, the first and second coloring devices can effectively color the wires into the first and second colors. It is therefore possible to efficiently obtain electric wires with various colors on the outer surface.

In addition, a moving device for moving the electric wire in the longitudinal direction, a measuring device for measuring a predetermined position of the electric wire moved by the moving device, and a predetermined position of the electric wire measured by the measuring device for controlling the above-mentioned first coloring device and A control device for the operation of the second coloring device.

In this way, the outer surface of the electric wire is colored while moving the electric wire in the longitudinal direction. Based on the predetermined position of the electric wire measured by the measuring device, the control device controls the operations of the first coloring device and the second coloring device. Therefore, the first coloring device and the second coloring device can color predetermined positions with the first and second colors.

In addition, the predetermined (fixed) position of the electric wire to be measured by the measuring device may be at any position on the electric wire as long as it is at a position that is used as a reference when the electric wire is colored while moving. As the predetermined position of the electric wire, the end of the electric wire and the end of the position colored with the first color by the first coloring device and the like can be used.

In addition, compared with the above-mentioned first coloring device, the above-mentioned second coloring device is arranged on the downstream side of the moving direction of the above-mentioned electric wire, and is separated from the position colored by the above-mentioned first coloring device at a certain distance, and the above-mentioned composite of the above-mentioned two ends The areas where the resin is exposed are colored with the second color.

In this way, the second coloring device colors the position at a certain distance from the position colored by the first coloring device as the second color. Furthermore, the second coloring means colors the exposed outer surface of the synthetic resin constituting the covering layer in a second color. The electric wire thus has an outer surface of synthetic resin between the first color and the second color.

Description of drawings

1 is an explanatory diagram illustrating an electric wire according to an embodiment of the present invention, wherein (a) is a perspective view of the electric wire according to one embodiment of the present invention, and (b) is a plan view of the electric wire shown in FIG. 1 .

Fig. 2 is an explanatory view showing the configuration of a coloring and cutting device for obtaining the electric wire shown in Fig. 1 .

Fig. 3 is a plan view showing a core part of the electric wire shown in Fig. 1 .

Fig. 4 is an illustration diagram of an electric wire in use, wherein (a) is an exemplary oblique view of the electric wire in use, and (b) is a plan view of the electric wire shown in Fig. 4(a).

Fig. 5 is an explanatory diagram of another example of the current electric wire, wherein (a) is a perspective view of another example of the current electric wire, and (b) is a plan view of the electric wire shown in Fig. 5(a).

Detailed ways

Next, an electric wire and an electric wire coloring device according to an embodiment of the present invention will be described with reference to FIGS. 1 to 3 .

The electric wire 1 constitutes electrical wiring arranged on a mobile body such as an automobile. The electric wire 1 includes a conductive core wire 2 and an insulating coating layer 3 as shown in FIGS. 1( a ) and 1 ( b ). The core wire 2 is formed by twisting a plurality of bare wires. The bare wire constituting the core wire 2 is made of conductive metal. In addition, the core wire 2 can also be composed of a single bare wire.

The covering layer 3 is made of synthetic resin such as polyvinyl chloride (pvc). Various coloring agents are not added to the synthetic resin constituting the covering layer 3 . Therefore, the synthetic resin constituting the coating layer 3 is colorless, and the outer surface 3 a of the coating layer 3 is the primary color p of the synthetic resin (indicated by white in FIG. 1 ). Furthermore, the outer surface 3 a of the covering layer 3 constitutes the outer surface of the electric wire 1 . The term "uncolored" in this specification refers to a state in which various colorants are not added to the synthetic resin constituting the covering layer 3 of the electric wire 1 . The term "non-colored" means that the outer surface 3a of the coating layer 3 is formed by the color p of the above-mentioned synthetic resin itself.

The covering layer 3 covers the core wire 2 . On the outer surface 3a of the coating layer 3, a first identification part 4, which is colored by a first coloring device 12 described later, and a mark 5 of a second identification part are formed. The first identification portion 4 is formed on the outer surface 3 a of the coating layer 3 located at the center portion 1 a of the electric wire 1 in the longitudinal direction. The central portion 1a constitutes the central portion in the longitudinal direction of the covering layer 3 described in this specification.

The first identifying portion 4 is colored by the above-mentioned color P (shown in white in FIG. 1 ) by the first coloring agent of the first color G (shown by parallel oblique lines in FIG. 1 ) on the entire circumferential surface of the above-mentioned central portion 1a. The outer surface 3a of the covering layer 3 made of synthetic resin is formed. The first color G is different from the primary color P of the aforementioned synthetic resin. In this way, the first identification portion 4 can be formed by coloring the entire peripheral surface of the outer surface 3a of the central portion 1a in the longitudinal direction of the coating layer 3 with the first color G.

Markers 5 are formed on the outer surfaces 3 a of the covering layer 3 located at both end portions 1 b in the longitudinal direction of the electric wire 1 . The two end portions 1b constitute both end portions in the longitudinal direction of the coating layer 3 described in this specification. The mark 5 is formed on the non-colored area 6 located in the area of the above-mentioned both ends 1b. The uncolored region 6 is formed by exposing the outer surface 3a of the covering layer 3 made of synthetic resin of the color P (shown in white in FIG. 1 ) over the entire circumferential surface of the two end portions 1b. Therefore, the non-colored region 6 is not colored with various colorants, and the outer surface of the synthetic resin of the color P constituting the covering layer 3 is exposed.

The mark 5 is formed by coloring a part of the uncolored region 6 located at both ends 1 b with a second colorant of a second color H different from the color P and the first color G. That is, the logo 5 is formed by coloring a part of both ends 1b with the second color H different from the above-mentioned color P and the first color G. As shown in FIG.

In the illustrated example, the mark 5 has a rectangular planar shape. In addition, two (multiple) markers 5 are formed at each end portion 1b of the electric wire 1 . When forming a plurality of marks 5 on one end portion 1b, it is preferable that the second colors H of the marks 5 are different from each other. Furthermore, three or more markers 5 may be formed on each end portion 1b of the electric wire 1 . In this way, the marks 5 can be formed by coloring a part of both end portions 1b of the covering layer 3 with the second color H. FIG. In addition, the second color H may be the same as the first color G as long as it is different from the color P of the synthetic resin constituting the covering layer 3 .

The outer surface 3a of the colored coating layer 3 described in this description refers to the outer surface 3a of the coating layer 3 of the electric wire 1 colored with a colorant. The so-called colorant refers to a liquid substance in which a colorant (organic substance for industrial use) is dissolved and dispersed in water or other solvents. Organic substances include dyes and pigments (mostly organic and synthetic). Sometimes dyes can be used as pigments and pigments can be used as dyes. As a more specific example, the coloring agent mentioned in this specification refers to both a coloring liquid and a paint.

Coloring liquid refers to the dissolution or dispersion of dyes in solvents, while paint refers to the dispersion of pigments into dispersion liquids. Therefore, if the outer surface 3a of the coating layer 3 is colored with a coloring liquid, the dye can penetrate into the inside of the coating layer 3, and if the outer surface 3a of the coating layer 3 is colored with a paint, the pigment does not penetrate into the coating layer 3 but only with the outer surface 3a. bonding. That is, to color the outer surface 3a of the coating layer 3 described in this specification means to dye at least a part of the outer surface 3a of the coating layer 3 of the electric wire 1 with a dye, and to coat the outer surface of the coating layer 3 of the electric wire 1 with paint. At least a part of the surface 3a.

In addition, it is preferable that the above-mentioned solvent and dispersion liquid have affinity with the synthetic resin constituting the covering layer 3 of the electric wire 1 . In this case, the dye can effectively penetrate into the inside of the coating layer 3, and at the same time, the pigment can effectively adhere to the outer surface 3a of the coating layer 3 constituting the electric wire 1.

In the electric wire 1 having the above configuration, the marks 5 as the second identification parts are formed on the uncolored regions 6 located at both ends 1b. Therefore, an uncolored region 6 (the outer surface of the synthetic resin constituting the coating layer 3 ) is provided between the first identification portion 4 and the mark 5 on the outer surface 3 a of the coating layer 3 . That is, the outer surface of the synthetic resin constituting the covering layer 3 is exposed between the first identifying portion 4 and the marker 5 .

In addition, the electric wire 1 having the above-mentioned structure predetermines the length L (shown in FIG. 3 ) along the longitudinal direction of the electric wire 1 of the covering layer 3 and the length L2 (shown in FIG. ), and the length L1 (shown in FIG. 3 ) along the length direction of the electric wire 1 of the uncolored region 6 .

In addition, in the uncolored area 6 located on the right side of FIG. 3 (the downstream side of the arrow K described later), the distance between the mark 5 on the end of the electric wire 1 and the end of the electric wire 1 is predetermined. Distance La. In the non-colored area 6 of both sides, the length Lb of the length direction of the wire 1 of the logo 5 along one end of the wire 1, the distance Lc between the logos 5, and the other side of the center of the wire 1 are predetermined. The length Ld of the length direction. In addition, in the non-colored region 6 located on the other side of the left side of FIG. 3 (the upstream side of the arrow K described later), the distance between the first identification part 4 and the other side of the center of the electric wire 1 is predetermined. Identify the distance Le between 5 .

In the electric wire 1 having the above-mentioned configuration, a plurality of wires are bundled together, and a connector or the like is attached to an end or the like to constitute the above-mentioned electric wiring. By connecting the connector with the connectors on various electronic devices in the car, the electrical wiring, that is, the electric wire 1, can transmit various signals and electric energy to various electronic devices. In this case, the above-mentioned first recognition unit 4 may represent the above-mentioned system on the vehicle. Mark 5 marks the position of the terminal accommodating chamber of the connector that is installed at the end and can be inserted into the terminal fitting. Various wires 1 can be identified by combining the first color G and the second color H.

The electric wire 1 having the above-mentioned constitution can be obtained by a coloring and cutting device for electric wires (hereinafter simply referred to as a coloring and cutting device) 10 shown in FIG. 2 . In this specification, reference numeral 30 denotes an electric wire before being processed by the colored cutting device 10 , and a coded wire after being processed by the colored cutting device 10 is designated by reference numeral 1 .

The coloring and cutting device 10 shown in FIG. 2 constitutes a coloring device for electric wires described in this specification. The colored cutting device 10 cuts the very long uncolored electric wire 30 wound on the bobbin 11 into a desired length according to the above-mentioned length L. The first identification portion 4 is formed by coloring the outer surface 3a of the covering layer 3 with the first colorant according to the above-mentioned lengths L1, L2. Marking 5 is formed by coloring part of the uncolored region 6 with the second colorant in accordance with the above distances La, Lc, Le and lengths Lb, Ld. In this way, the colored cutting device 10 manufactures the electric wire 1 in which the outer surface 3 a of the coating layer 3 is colored by coloring the outer surface 3 a of the uncolored electric wire 30 . The uncolored electric wire 30 refers to an electric wire in which the entire outer surface 3 a of the covering layer 3 is not colored with a colorant.

As shown in Figure 2, the coloring and cutting device 10 includes a first coloring device 12 as a first coloring device, a second coloring device 13 as a second coloring device, a cutting device 14, an encoder 17 as a measuring device, and a controller as a control device. The control device 18 and so on.

The coloring and cutting device 10 makes the uncolored electric wire 30 advance (move) in the direction indicated by the arrow K in FIG. The so-called arrow direction K refers to the moving (traveling) direction of the electric wire 30 and the electric wire 1 . In order to advance (move) the electric wire 30 and the electric wire 1 , the coloring and cutting device 10 includes a driving roller 15 as a moving device and a plurality of driven rollers 16 . The driven roller 16 constitutes a roller that guides the moving direction of the electric wire 30 and the electric wire 1 .

The first coloring device 12 includes a immersion tank 20 , lift rollers 21 , and a slide mold 22 . The immersion tank 20 is a box-shaped body with an upper opening. The first colorant of the first color G is contained in the immersion tank 20 . Above the immersion tank 20 the wires 30 run through the aforementioned rollers 15 , 16 . The elevating roller 21 is set to move flexibly along the vertical direction. That is, the lifting roller 21 can be flexibly lifted.

When the elevating roller 21 descends, the electric wire 30 traveling through the rollers 15 and 16 is dipped into (immersed in) the first colorant in the immersion tank 20 . When the elevating roller 21 rises, the electric wire 30 traveling through the rollers 15 and 16 is pulled out (disengaged) from the first colorant in the immersion tank 20 . In this way, the electric wire 30 traveling through the above-mentioned rollers 15, 16 can be soaked in the first colorant at the position indicated by the solid line in FIG. Change the position at the position where it is disengaged from the agent.

The slide form 22 is arranged on the downstream side of the above-mentioned arrow K of the immersion tank 20 . The slide mold 22 is responsible for removing excess components of the first colorant impregnated on the outer surface 3a of the electric wire 1 from the outer surface 3a. With the above configuration, the first coloring device 12 forms the first identifying portion 4 by coloring the outer surface 3a of the central portion 1a in the longitudinal direction of the coating layer 3 in the first color G different from the color P.

The second coloring device 13 is provided on the downstream side of the first coloring device 12 in the direction indicated by the arrow K. As shown in FIG. The second coloring device 13 is provided with a sprayer 23 . The second coloring device 13 can be installed according to the number of the above-mentioned marks 5 . In the illustrated example, since two markers 5 are formed on one end portion 1b (a total of four markers 5 are formed per electric wire 1), four sprayers 23 are provided. The sprayer 23 forms the mark 5 by spraying the second colorant of the second color H onto a part of the above-mentioned non-colored area 6 .

With the above configuration, the second coloring device 13 colors a part of the non-colored region 6 in the second color H at a certain distance from the first identification part 4 and where the synthetic resin of both ends 1b is exposed. In this way, the second coloring device 13 colors at least a part of both end portions 1b in the longitudinal direction of the coating layer 3 in the second color H different from the color P. As shown in FIG.

The cutting device 14 is provided on the downstream side in the direction indicated by the arrow K of the second coloring device 13 . The cutting device 14 is provided with a pair of cutting blades 24 . This cutter 24 places the electric wire 1 , 30 traveling through the aforementioned rollers 15 , 16 between them. The cutting blades 24 can be moved closer to or separated from each other. The cutting knives 24 approach each other to cut off the electric wire 30 clamped between them, so as to obtain the above electric wire 1 .

The encoder 17 is provided with a rotor 25 . The rotor 25 is rotatable around an axis. The outer peripheral surface of the rotor 25 is in contact with the covering layer 3 covering the core wire 2 . When the core wire 2, that is, the electric wire 30 travels (moves) in the direction indicated by the arrow K, the rotor 25 rotates. That is, while the core wire 2 , that is, the electric wire 30 travels (moves) in the direction indicated by the arrow, the rotor 25 rotates around the axis. Obviously, the distance that the core wire 2 , ie, the electric wire 30 travels (moves) in the direction indicated by the arrow is proportional to the number of rotations of the rotor 25 .

The encoder 17 is connected to a control device 18 . The encoder 17 outputs a pulse signal to the control device 18 every time the rotor 25 rotates by a predetermined angle. That is, the encoder 17 sends the information corresponding to the traveling (moving) distance of the core wire 2 , that is, the electric wire 30 in the direction indicated by the arrow, to the control device 18 . In this way, the encoder 17 transmits the information on the arbitrary position of the electric wire 30 to the control device 18 by measuring the information corresponding to the moving distance of the electric wire 30 .

The encoder 17 measures the predetermined position of the electric wire 30 moved by the above-mentioned rollers 15, 16 in this way. In addition, the predetermined (fixed) position of the electric wire 30 measured by the encoder 17 may be any position of the electric wire 30 as long as it constitutes a reference when the electric wire 30 is colored while moving. As the predetermined (fixed) position of the electric wire 30, the end of the electric wire 30 and the end of the position (first identification part 4) colored in the first color by the first coloring device 12, etc. can be used.

The control device 18 is a computer equipped with well-known RAM, ROM, CPU, etc., and is in charge of overall control of the coloring and cutting device 10 . An input device 19 is connected to the control device 18 . In addition, the control device 18 stores the above-mentioned lengths L, L1, L2, Lb, Ld and distances La, LC, Le.

The control device 18 is based on the command input from the input device 19 or the program stored in the above-mentioned ROM, the above-mentioned lengths L, L1, L2, Lb, Ld and distances La, Lc, Le, and the information provided by the encoder 17, The lifting roller 21 of the first coloring device 12 is raised and lowered, the sprayer 23 of the second coloring device 13 is operated, and the cutting blades 24 of the cutting device 14 are brought into contact with or separated from each other. In this way, the control device 18 controls the operations of the first coloring device 12 and the second coloring device 13 based on the predetermined position of the electric wire 30 measured by the encoder 17 .

The input device 19 can be used for various operations of the coloring and cutting device 10 . As the input device 19, various information input devices such as a keyboard, various switches, and various recording medium drive devices such as a CD-ROM drive device can be used.

The coloring and cutting device 10 having the above-mentioned configuration measures the movement amount of the electric wire 30 moved by the above-mentioned rollers 15 and 16 with the encoder 17 . The coloring device 10 is based on the information measured by the encoder 17, the above-mentioned lengths L, L1, L2, Lb, Ld, and distances La, Lc, and Le, so that the lifting roller 21 of the first coloring device 12 is raised and lowered, and the second coloring device 13 is moved up and down. The sprayer 23 of the action makes the cutting knives 24 of the cutting device 14 contact and separate from each other. Further, the colored cutting device 10 processes the uncolored electric wire 30 wound on the bobbin 11 into the electric wire 1 shown in FIG. 1 .

According to this embodiment, since the first color G of the first identification part 4 is different from the color P of the synthetic resin constituting the covering layer 3 . Therefore, even if the electric wire 1 is very thin, since the first identifying portion 4 is formed on the entire circumference of the central portion 1a of the covering layer 3, the first color G of the first identifying portion 4 can be easily recognized.

In addition, markers 5 as second identification parts are formed on a part of both end parts 1 b of the covering layer 3 . Since the synthetic resin constituting the covering layer 3 is the color P, the mark 5 is formed on the uncolored region 6 of the color P (outer surface 3 a of the covering layer 3 ). In addition, the second color H of the mark 5 is different from both the color P of the synthetic resin and the first color G. The logo 5 is therefore easily recognizable. A non-colored area 6 is provided between the first identification part 4 and the logo 5 . Therefore, the first identification part 4 and the mark 5 can be easily recognized.

Since both the first identification part 4 and the marker 5 are easy to identify, mutual identification of the electric wires 1 is easy. Therefore, by assembling wiring harnesses using the wires 1 described in the above-mentioned embodiments, misplacement of the wires 1 can be prevented, thereby preventing deterioration of the wiring harness.

A plurality of markers 5 are provided on both ends 1b of the covering layer 3, respectively. Therefore, more types of electric wires 1 to be identified can be set by combining the second color H of a plurality of individual marks 5 and the first color G of the first identification part 4 . Therefore, it is possible to support a wide variety of electronic devices.

In the above-described embodiment, the uncolored electric wire 30 is colored by the first coloring device 12 and the second coloring device 13 . Therefore, it is easier to change the first color G and the second color H than when various colorants are added to the synthetic resin constituting the coating layer 3 when forming the coating layer 3 . Therefore, the electric wire 1 having the outer surface 3a in various colors can be obtained more easily and more quickly.

The first coloring device 12 colors the central portion 1a of the coating layer 3 in the longitudinal direction in the first color G. As shown in FIG. The second coloring device 13 colors a part of both end portions 1b of the coating layer 3 in the second color H in the longitudinal direction. Therefore, by combining the first color G and the second color H, more kinds of electric wires 1 to be recognized can be set. Because of this, it is possible to obtain the electric wire 1 having the outer surface 3a in various colors.

In addition, since the first and second coloring devices 12 and 13 color the above-mentioned outer surface 3a into the first and second colors G and H different from the color of the outer surface 3a of the covering layer 3, by changing the above-mentioned first and second colors, For the second colors G and H, it is easy to obtain the electric wire 1 whose outer surface 3a is in various colors.

The outer surface of the electric wire 30 is colored while moving the electric wire 30 in the longitudinal direction. Based on the predetermined (fixed) position of the electric wire 30 measured by the encoder 17 , the control device 18 controls the operations of the first coloring device 12 and the second coloring device 13 . Therefore, the first coloring device 12 and the second coloring device 13 can color predetermined positions with the first color G and the second color H. It is thus possible to obtain the electric wire 1 in which the outer surface 3a is colored in a desired color.

The second coloring device 13 colors a position separated by a certain distance from the position colored by the first coloring device 12 into the second color H. In addition, the second coloring device 13 colors a part of the exposed uncolored region 6 in the second color. Therefore, the surface of the synthetic resin exists between the first color G and the second color H in the electric wire 1 . Therefore, it is easy to recognize the first color G and the second color H. It is thus possible to more effectively obtain the electric wire 1 in which the easily identifiable outer surface 3a is a plurality of colors.

In addition, in the above-described embodiment, the encoder 17 is used to measure the predetermined position of the electric wires 1 and 30 . However, in the present invention, it is obvious that an imaging device such as a digital camera and a recognition device for recognizing an arbitrary position of the electric wire 1, 30 from an image obtained by the imaging device can also be used.

In addition, in the above-mentioned embodiment, the electric wire 1 which comprises the wiring harness arrange|positioned in an automobile was described. But the electric wire 1 of the present invention is not limited to automobiles, and it is obvious that various electronic devices such as laptop computers and various electrical machines can also be used.

In addition, in the above-described embodiment, the outer surface of the uncolored electric wire 30 is colored in the first color G and the second color H. However, the present invention is not limited to no coloring, and the above-mentioned electric wire 1 may be produced by adding various colorants to the synthetic resin that is extruded and coated on the outer periphery of the core wire, and the coating layer is colored in a predetermined color. In this case, the color of the outer surface of the colored electric wire is different from any one of the first color G and the second color H described above. In this case, it is possible to reuse the wires that are out of stock due to low frequency of use or because they are used for specific purposes. Resources can thus be saved.

In addition, in the present invention, by coloring the outer surface 3a of the uncolored covering layer 3, as a device for forming the marks 5 of the first identification part 4 and the second identification part, various methods such as dipping, spraying, spraying, printing, copying, etc. can also be used. device. In addition, various materials such as acrylic paint, ink (dye-based, pigment-based), UV ink, etc. can be used as the coloring liquid and paint.

In the above-described embodiment, the first identification portion 4 is formed by coloring the entire peripheral surface of the outer surface 3a of the central portion 1a in the longitudinal direction of the coating layer 3 with the first color G. However, in the present invention, a part of the outer surface 3a of the central portion 1a in the longitudinal direction of the coating layer 3 can also be colored in the first color G, and the first identification part 4 can also be formed with the first color G and the color P. Striped pattern or spiral pattern.

As described above, in the present invention described in claim 1, the first identification portion is formed on the outer surface of the central portion of the coating layer. The first color of the first identification part is different from the color of the synthetic resin. Therefore, even if the wire is thin, since the first identification part is formed in the center of the covering layer, the first color of the first identification part can be easily recognized.

In addition, the second identification part is formed on a part of both end parts of the covering layer. Since the second identification part is formed on the outer surface of the covering layer and the second color of the second identification part is different from the color of the synthetic resin, it is easy to recognize the second color of the second identification part.

Since both the 1st identification part and the 2nd identification part are easy to identify, it becomes easy to identify between electric wires. For this reason, by assembling wiring harnesses using the electric wires described in the present claims, it is possible to prevent mis-matching of electric wires, thereby preventing deterioration of wiring harnesses.

In the present invention according to claim 2 , since a section is provided between the first identification unit and the second identification unit, it is easier to identify the first identification unit and the second identification unit.

Since electric wires can be identified more easily, by using the electric wire assembly wiring harness described in the present claim, it is possible to more effectively prevent mis-mating of electric wires, and thereby prevent deterioration of the wiring harness more effectively.

In the present invention according to claim 3, since a plurality of second identification parts are respectively provided at both ends of the covering layer, it is possible to combine the second color of the second identification parts with the first identification part of the first identification part. 1 color setting allows more types of wires to be identified. Because of this, it can cope with a wider variety of electronic equipment.

In the present invention according to claim 4, since the first coloring device colors the central part in the longitudinal direction of the coating layer as the first color, and the second coloring device colors the two end parts in the longitudinal direction of the coating layer as the second color. Therefore, by combining the first color and the second color, more types of wires to be identified can be set. Because of this, wires are available in a wide variety of colors. An electric wire can also be obtained by coloring the outer surface of the electric wire colored by adding a coloring agent during extrusion coating to the first color G and the second color H. This makes it possible to reuse wires that are out of stock due to infrequent use or because they are used for specific purposes. Resources can thus be saved.

In addition, since the first and second coloring means color the above-mentioned outer surface into the first and second colors different from the color of the outer surface of the above-mentioned covering layer, it is easy to change the shape of the electric wire by changing the first and second colors. color. Because of this, it is easy to obtain wires with a variety of colors on the outer surface.

In the present invention described in claim 5, the outer surface of the electric wire is colored while moving the electric wire in the longitudinal direction. Based on the predetermined position of the electric wire measured by the measuring device, the control device controls the operations of the first coloring device and the second coloring device. Therefore, the first coloring device and the second coloring device can color with the first color and the second color at predetermined positions. Because of this, electric wires colored in desired colors can be efficiently obtained.

In the present invention according to claim 6, the second coloring means colors a position separated by a certain distance from the position colored by the first coloring means into the second color. Furthermore, the second coloring means colors the exposed outer surface of the synthetic resin constituting the covering layer in a second color. There is thus an outer surface of synthetic resin between the 1st color and the 2nd color. Therefore, it is easy to distinguish between the first color and the second color. It is therefore possible to more effectively obtain the electric wires whose outer surfaces are easily identifiable in various colors.

Claims (6)

1. An electric wire, characterized in that: among the electric wires provided with a conductive core wire and a coating layer made of synthetic resin and coated on the above-mentioned core wire, the color of the synthetic resin is different from that of the above-mentioned synthetic resin. the first identification part formed by coloring the outer surface of the central part of the above-mentioned coating layer in the longitudinal direction with the first color; The second identification part formed by a part of the end part. 2. The electric wire according to claim 1, wherein a region where an outer surface of the synthetic resin constituting the coating layer is exposed is provided between the first identifying portion and the second identifying portion. 3. The electric wire according to claim 1 or 2, wherein a plurality of said second identification parts are respectively provided on both ends of said covering layer, and the second colors of said second identification parts are different from each other. 4. An electric wire coloring device, characterized in that it is one of the electric wire coloring devices for coloring the outer surface of the above-mentioned coating layer of an electric wire provided with a conductive core wire and a synthetic resin and covering the coating layer of the above-mentioned core wire. In this method, it includes a first coloring device for coloring the outer surface of the central part in the longitudinal direction of the above-mentioned coating layer with a first color different from the color of the outer surface of the above-mentioned coating layer; and a second coloring device with a color different from the color of the outer surface of the aforementioned coating layer. A second coloring device for coloring a part of both end portions in the longitudinal direction of the coating layer with one color. 5. The wire coloring device according to claim 4, further comprising: a moving device for moving the wire along the length direction of the wire; a measuring device capable of measuring a predetermined position of the wire moved by the moving device; A control device for controlling the operation of the first coloring device and the second coloring device at the predetermined position of the electric wire measured by the device. 6. The electric wire coloring device according to claim 5, characterized in that: compared with the first coloring device, the second coloring device is arranged on the downstream side of the moving direction of the electric wire, and is connected with the first coloring device. The colored positions are spaced at regular intervals, and the areas where the synthetic resin is exposed at the above-mentioned both ends are colored with the second color.

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