WO2006001371A1 - Electric cable coloring method and electric cable coloring device - Google Patents
Electric cable coloring method and electric cable coloring device Download PDFInfo
- Publication number
- WO2006001371A1 WO2006001371A1 PCT/JP2005/011627 JP2005011627W WO2006001371A1 WO 2006001371 A1 WO2006001371 A1 WO 2006001371A1 JP 2005011627 W JP2005011627 W JP 2005011627W WO 2006001371 A1 WO2006001371 A1 WO 2006001371A1
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- WIPO (PCT)
- Prior art keywords
- electric wire
- coloring
- coloring material
- colorant
- mpa
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/34—Apparatus or processes specially adapted for manufacturing conductors or cables for marking conductors or cables
- H01B13/345—Apparatus or processes specially adapted for manufacturing conductors or cables for marking conductors or cables by spraying, ejecting or dispensing marking fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0023—Digital printing methods characterised by the inks used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0082—Digital printing on bodies of particular shapes
- B41M5/0088—Digital printing on bodies of particular shapes by ink-jet printing
Definitions
- the present invention relates to an electric wire coloring method and an electric wire coloring device for coloring an electric wire provided with a conductive core wire and an insulating covering portion covering the core wire.
- the wire harness includes a plurality of electric wires and connectors attached to ends of the electric wires.
- the electric wire includes a conductive core wire and a covering portion made of an insulating synthetic resin that covers the core wire.
- the electric wire is a so-called covered electric wire.
- the connector includes a terminal fitting and a connector housing that accommodates the terminal fitting.
- the terminal fitting is also attached to the end of the electric wire, such as a conductive sheet metal, and is electrically connected to the core wire of this electric wire.
- the connector housing is made of insulating synthetic resin and formed in a box shape.
- the wire harness is connected to the above-described electronic device by a connector and Uzing, so that each electric wire is electrically connected to the above-described electronic device via a terminal fitting, so that a desired power or signal can be transmitted to the above-described electronic device. Tell.
- the electric wire is first cut to a predetermined length, and then a covering portion such as an end of the electric wire is removed (peeled) and a terminal fitting is attached. Connect wires as needed. Thereafter, the terminal fitting is inserted into the connector housing. Thus, the above-described wire harness is assembled.
- the wires of the wire harness described above it is necessary to identify the size of the core wire, the material of the covering portion (change of the material depending on the presence or absence of heat resistance, etc.), the purpose of use, and the like.
- the purpose of use is, for example, an automobile system (system) in which a control signal such as an air bag, ABS (Antilock Brake System) or vehicle speed information, or a power transmission system is used.
- an electric wire used in a wire harness is a synthetic resin that constitutes the above-described covering portion.
- a coloring agent of a desired color is mixed into the synthetic resin constituting the covering portion to color the covering portion into a desired color (for example, Patent Documents 1 to 3). reference).
- the color of the colorant mixed in the synthetic resin has been changed in a state where the extrusion coating apparatus performs extrusion coating.
- the color of the synthetic resin constituting the coating portion is a color in which the color of the colorant before the change of the coating portion and the color of the colorant after the change are mixed. . For this reason, it was in the tendency for the material yield of an electric wire to fall.
- the applicant of the present invention manufactured, for example, a single-color electric wire, and the outer surface of the electric wire as necessary. It is suggested to assemble the wire harness by coloring the desired color (see Patent Document 4).
- the applicant of the present invention when coloring a single-color electric wire after manufacture, sprays a liquid coloring material on the outer surface of the electric wire by a certain amount and applies droplets of the coloring material.
- An electric wire coloring device for coloring an electric wire in a desired color by adhering to the outer surface of the electric wire has been proposed (see Patent Document 5).
- Patent Document 1 Japanese Patent Laid-Open No. 5-111947
- Patent Document 2 JP-A-6-119833
- Patent Document 3 Japanese Patent Laid-Open No. 9-92056
- Patent Document 4 Pamphlet of International Publication No. 03Z019580
- Patent Document 5 Japanese Patent Application No. 2003-193904
- the colorant sprayed by a certain amount toward the outer surface of the electric wire described above is a liquid substance in which a colorant (industrial organic substance) is dissolved and dispersed in water or other solvent.
- Organic substances include dyes and pigments (mostly organic substances and synthetic products), and sometimes dyes are used as pigments and pigments are used as dyes.
- the above-described coloring device is attached to various types of wire processing devices such as a cutting device that cuts an electric wire into a predetermined length and attaches a terminal fitting to the end of the electric wire.
- Various electric wire processing devices perform various types of processing on the electric wire while moving intermittently in the longitudinal direction of the electric wire.
- the above-described coloring apparatus can always form a fixed mark even if the moving speed of the electric wire changes abruptly (whether the moving speed is fast or slow). In other words, it is desirable to always perform a certain marking even when the interval between the droplets of the colorant is shortened or when the interval between the droplets of the colorant is increased.
- an object of the present invention is to provide an electric wire coloring method and an electric wire coloring device that can perform a certain marking on the electric wire even when the moving speed of the electric wire changes. .
- the method for coloring an electric wire according to the present invention includes spraying a liquid coloring material by a predetermined amount toward the outer surface of the electric wire, Is attached to the outer surface of the electric wire to color the electric wire!
- the viscosity of the coloring material is characterized by being 0.3 mPa's or more and 4.5 mPa's or less.
- the electric wire coloring method of the present invention is characterized in that, in the electric wire coloring method, the viscosity of the coloring material is not less than 0.3 mPa's and not more than 3.25 mPa's.
- the electric wire coloring method of the present invention is characterized in that, in the electric wire coloring method, the viscosity of the coloring material is not less than 0.3 mPa's and not more than 1.75 mPa's. .
- the electric wire coloring apparatus of the present invention applies a constant amount of liquid coloring material to the outer surface of the electric wire and sprays the liquid coloring material on the outer surface of the electric wire so that the liquid droplets of the coloring material adhere to the outer surface of the electric wire.
- the viscosity of the coloring material is 0.3 mPa's or more and 4.5 m.
- the electric wire coloring apparatus of the present invention is characterized in that, in the electric wire coloring apparatus, the viscosity of the coloring material is not less than 0.3 mPa's and not more than 3.25 mPa's.
- the electric wire coloring apparatus of the present invention is characterized in that, in the electric wire coloring apparatus, the viscosity of the coloring material is not less than 0.3 mPa's and not more than 1.75 mPa's.
- the viscosity of the colorant is 0.3 mPa 's (millipascal second) or more and 4.5 m. Since it is less than Pa's, variation in the mass of one drop of the colorant can be suppressed even if the interval at which the colorant is sprayed changes (whether it is shorter or longer).
- the coloring material in the present specification is a liquid material in which a coloring material (industrial organic material) is dissolved and dispersed in water or other solvent.
- Organic substances include dyes and pigments (mostly organic and synthetic products). Sometimes dyes are used as pigments and pigments are used as dyes.
- the colorant referred to in this specification indicates both a colored liquid paint and a paint. The coloring liquid indicates that the dye is dissolved or dispersed in the solvent, and the paint indicates that the pigment is dispersed in the dispersion.
- the term “coloring the outer surface of the electric wire” in the present specification means that a part of the outer surface of the electric wire is dyed with a dye and a pigment is applied to a part of the outer surface of the electric wire.
- the solvent and the dispersion liquid have an affinity for the synthetic resin constituting the coating portion.
- the dye is surely soaked into the coating part, and the pigment is securely adhered to the outer surface of the coating part.
- the droplet spraying described in the present specification means that the coloring nozzle force and the liquid coloring material are urged and ejected to the outer surface of the electric wire in a droplet state, that is, in a droplet state.
- the viscosity of the coloring material is 0.3 mPa's or more and 3.25 mPa's or less, even if the interval at which the coloring material is sprayed is changed (even if it becomes shorter). Even if it is long, the variation in the mass of one drop of the colorant can be further suppressed.
- the viscosity of the coloring material is 0.3 mPa's or more and 1.75 mPa's or less, even if the interval at which the coloring material is sprayed changes (even if it becomes shorter). Even if it is long, variation in the mass of one drop of the colorant can be further suppressed.
- the viscosity of the coloring material is 0.3 mPa's or more and 4.5 mPa's or less, even if the interval at which the coloring material is sprayed is changed (shorter or longer). In any case, variation in the mass of one drop of the coloring material can be suppressed.
- the viscosity of the colorant is 0.3 mPa's or more and 3.25 mPa's or less. Therefore, even if the interval at which the coloring material is sprayed changes (whether it is shorter or longer), variation in the mass of the coloring material can be further suppressed.
- the viscosity of the coloring material is 0.3 mPa's or more and 1.75 mPa's or less, even if the interval at which the coloring material is sprayed is changed (even if it is shorter). Even if it is long, variation in the mass of one drop of the colorant can be further suppressed.
- the light emission can be further suppressed, it is possible to reliably keep the colored portion in a desired area (size). Therefore, even if the distance at which the coloring material is sprayed, that is, the moving speed of the electric wire changes, a certain marking can always be reliably applied to the electric wire.
- the present invention can further suppress the variation in the mass of one drop of the colorant even when the interval at which the colorant is sprayed is changed, so that the colored portion can be maintained in a desired area (size). It can be done reliably. Therefore, even if the distance at which the coloring material is sprayed, that is, the movement speed of the electric wire changes, a constant marking can always be reliably applied by the electric wire.
- the present invention can further suppress variation in the mass of one drop of the colorant even when the interval at which the colorant is sprayed changes, so that it is possible to reliably maintain the colored area in a desired area (size). it can. Therefore, even if the distance at which the coloring material is sprayed, that is, the moving speed of the electric wire changes, a constant marking can always be reliably applied to the electric wire.
- the present invention can further suppress the variation in the mass of one drop of the colorant even when the interval at which the colorant is sprayed is changed, so that the colored portion can be maintained in a desired area (size). certainly it can. Therefore, even if the distance at which the coloring material is sprayed, that is, the movement speed of the electric wire changes, a constant marking can always be reliably applied by the electric wire.
- FIG. 1 is a side view showing a configuration of an electric wire coloring device according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view of the coloring unit of the wire coloring device along the line II-II in FIG.
- FIG. 3 is an explanatory diagram showing a positional relationship between each coloring nozzle and an electric wire of the coloring unit shown in FIG. 2.
- FIG. 4 (a) is a perspective view of an electric wire colored by the electric wire coloring device shown in FIG. (b) is a plan view of the electric wire shown in Fig. 4 (a).
- FIG. 5 is an explanatory diagram showing variation in the mass of one drop of a colorant when the colorant shown in FIG. 1 is sprayed with colorants having different viscosities.
- FIG. 6 is an explanatory diagram showing variation in the mass of one drop of the coloring material when the coloring materials of the products A to C of the present invention are sprayed by the coloring apparatus shown in FIG. 1.
- the coloring device 1 is a device that is attached to a cutting device 18 that cuts the electric wire 3 into a predetermined length, and forms a mark 6 on a part of the outer surface 3a of the electric wire 3. That is, the coloring device 1 colors the outer surface 3a of the electric wire 3, that is, marking.
- the electric wire 3 constitutes a wire harness that is routed to an automobile or the like as a moving body.
- the electric wire 3 includes a conductive core wire 4 and an insulating covering portion 5.
- the core wire 4 is formed by twisting a plurality of strands.
- the wire constituting the core wire 4 also has a conductive metal force.
- the core wire 4 may also be configured with a single wire force.
- Covering part 5 is an example For example, it is made of synthetic resin such as Polyvinylchloride (PVC).
- PVC Polyvinylchloride
- the covering portion 5 is a single color P. It should be noted that a desired colorant is mixed in the synthetic resin constituting the covering portion 5, and the outer surface 3a of the electric wire 3 can be made to be a single color P, and a colorant is mixed in the synthetic resin constituting the covering portion 5.
- the single color P can be used as the color of the synthetic resin itself.
- the covering portion 5, that is, the outer surface 3a of the electric wire 3 is said to be uncolored.
- “non-colored” indicates that the outer surface 3a of the electric wire 3 is the color of the synthetic resin itself without mixing a coloring agent in the synthetic resin constituting the covered portion 5.
- the outer surface 3a of the electric wire 3 may be uncolored as described above, or may be a single color such as white.
- Point 7 is color B (indicated by parallel diagonal lines in FIG. 4). Color B is different from the single color P.
- the planar shape of point 7 is round as shown in FIG. 4 (b).
- a plurality of points 7 are provided and arranged along the longitudinal direction of the electric wires 3 in accordance with a predetermined pattern. In the illustrated example, the points 7 are arranged at equal intervals along the longitudinal direction of the electric wire 3. Further, the distance between the centers of the adjacent points 7 is determined in advance.
- a plurality of electric wires 3 having the above-described configuration are bundled and a connector or the like is attached to an end portion or the like to constitute the above-described wire harness.
- the connector is connected to the connector of various electronic devices such as automobiles, and the wire harness, that is, the electric wire 3, transmits various signals and electric power to each electronic device.
- the wires B can be distinguished from each other by changing the color B of each point 7 of the mark 6 described above to various colors.
- the force that makes the color B of all the points 7 the same may change the color B for each point 7 as necessary, and make the colors B of the points 7 different.
- the color B of each point 7 in the mark 6 is used to identify the line type and system (system) of the wire 3 of the wire harness. That is, the color B of each point 7 of the mark 6 described above is used to identify the line type and purpose of use of each wire 3 of the wire harness.
- the coloring device 1 is provided with a cutting device 18 as an electric cable device. It has been. That is, the coloring device 1 is attached to the cutting device 18.
- the cutting device 18 is arranged on the downstream side in the moving direction K of the electric wire 3 from a pair of rotors 47 of an encoder 17 described later.
- the cutting device 18 includes a pair of cutting blades 48 and 49.
- the pair of cutting blades 48 and 49 are arranged along the vertical direction.
- the pair of cutting blades 48 and 49 are supported by a frame 10 and the like which will be described later so as to be movable toward and away from each other along the vertical direction.
- approaching / separating means approaching or moving away from each other.
- the coloring device 1 includes a frame 10 as a device body, a guide roll 11, a feed roll 12 as a moving means, a correction unit 13 as a wire straightening means, and a slack absorbing means.
- the frame 10 is installed on a floor of a factory or the like.
- the frame 10 extends in the horizontal direction.
- the guide roll 11 is rotatably attached to one end of the frame 10.
- the guide roll 11 has a long electric wire 3 on which no mark 6 is formed.
- the guide roll 11 sends out the electric wire 3 in order to the correction unit 13, the slack absorbing unit 14, the coloring unit 15, the duct 16, the encoder 17, and the cutting device 18.
- a pair of delivery rolls 12 is provided at the other end of the frame 10.
- the pair of delivery rolls 12 are rotatably supported by the frame 10 and are arranged along the vertical direction.
- the delivery roll 12 is rotated at the same rotational speed in opposite directions by a motor (not shown).
- the pair of delivery rolls 12 sandwiches the electric wire 3 between each other and pulls it from the guide roll 11 along the longitudinal direction of the electric wire 3 in parentheses.
- the delivery roll 12 serves as a pulling means that pulls and moves the electric wire 3 along the longitudinal direction of the electric wire 3. In this way, the delivery roll 12 moves the electric wire 3 along the longitudinal direction of the electric wire 3 so that the coloring nozzle 31 described later of the coloring unit 15 and the electric wire 3 are relatively moved along the longitudinal direction of the electric wire 3. Move. For this reason, the electric wire 3 moves along the arrow K in FIG. Arrow Is the direction of movement of the electric wire 3.
- the correction unit 13 is provided on the guide roll 11 on the delivery roll 12 side, and is provided between the guide roll 11 and the delivery roll 12. That is, the straightening unit 13 is provided downstream of the guide roll 11 in the movement direction K of the electric wire 3, and is provided upstream of the supply roll 12 in the movement direction K of the electric wire 3.
- the correction unit 13 includes a plate-like unit body 20, a plurality of first rollers 21, and a plurality of second rollers 22.
- the unit body 20 is fixed to the frame 10.
- the first and second rollers 21 and 22 are rotatably supported by the unit main body 20, respectively.
- the plurality of first rollers 21 are arranged along the horizontal direction (the moving direction K described above) and are arranged above the electric wires 3.
- the plurality of second rollers 22 are arranged along the horizontal direction (the moving direction K described above) and are arranged below the electric wire 3. As shown in FIG. 1, the first roller 21 and the second roller 22 are arranged in a staggered manner.
- the correction unit 13 sandwiches the electric wire 3 fed from the guide roll 11 by the feed roll 12 between the first roller 21 and the second roller 22. And the correction unit 13 makes the electric wire 3 straight. Further, the correction unit 13 applies a frictional force to the electric wire 3 by being sandwiched between the first roller 21 and the second roller 22. That is, the correction unit 13 applies a first urging force HI in the direction opposite to the direction in which the feed roll 12 pulls the electric wire 3 (the movement direction K described above) to the electric wire 3. This first biasing force HI is weaker than the force with which the feed roll 12 pulls the electric wire 3. For this reason, the correction unit 13 applies tension along the longitudinal direction to the electric wire 3.
- the slack absorbing unit 14 is provided on the delivery roll 12 side of the correction unit 13, and is provided between the correction unit 13 and the delivery roll 12. That is, the slack absorbing unit 14 is provided downstream of the correction unit 13 in the movement direction K of the electric wire 3, and is provided upstream of the movement direction K of the electric wire 3 from the delivery roll 12. The slack absorbing unit 14 is provided between the correcting unit 13 and a coloring nozzle 31 (to be described later) of the coloring unit 15! /.
- the slack absorbing unit 14 includes a pair of guide roller support frames 23, a pair of guide rollers 24, a moving roller support frame 25, a moving roller 26, and an urging means.
- the air cylinder 27 is provided.
- the guide roller support frame 23 is fixed to the frame 10.
- the guide roller support frame 23 is erected upward from the frame 10.
- the pair of guide roller support frames 23 are arranged along the moving direction K of the electric wire 3 with a space therebetween.
- the pair of guide rollers 24 are rotatably supported by the guide roller support frame 23.
- the guide roller 24 is arranged below the electric wire 3, and guides the electric wire 3 so that the electric wire 3 does not drop in the moving direction K force by contacting the electric wire 3 on the outer peripheral surface. For this reason, the guide roller 24 guides the moving direction K of the electric wire 3.
- the moving roller support frame 25 is fixed to the frame 10.
- the moving roller support frame 25 is erected upward from the frame 10.
- the moving roller support frame 25 is provided between the pair of guide roller support frames 23.
- the moving roller 26 is rotatably supported by the moving roller support frame 25 and is supported so as to be movable along the vertical direction.
- the moving roller 26 is disposed above the electric wire 3.
- the moving roller 26 is supported so as to be movable along a direction orthogonal to (crossing) the moving direction K of the electric wire 3 by being supported so as to be movable along the vertical direction.
- the moving roller 26 is provided at the center between the guide rollers 24.
- the air cylinder 27 includes a cylinder body 28 and an expansion / contraction rod 29 that can be expanded and contracted from the cylinder body 28.
- the cylinder body 28 is fixed to the moving roller support frame 25 and is disposed above the electric wire 3.
- the telescopic rod 29 extends downward from the cylinder body 28. That is, the telescopic rod 29 extends from the cylinder body 28 in a direction approaching the electric wire 3.
- a movable roller 26 is attached to the telescopic rod 29.
- the air cylinder 27 is supplied with pressurized gas into the cylinder body 28, so that the telescopic rod 29, that is, the moving roller 26 is perpendicular to the moving direction K by the second urging force H2 (shown in FIG. 1) ( Energize downward along the crossing direction. Therefore, the air cylinder 27 urges the moving roller 26 in the direction approaching the electric wire 3 with the second urging force H2.
- the second biasing force H2 is weaker than the first biasing force HI.
- the slack absorbing unit 14 urges the wire 3 slackened between the guide rollers 24 described above along the direction orthogonal (crossed) to the moving direction K, absorbs the slack, and stretches the wire 3. Keep in state.
- the coloring unit 15 is provided on the feeding roll 12 side of the slack absorbing unit 14, and is provided between the slack absorbing unit 14 and the sending roll 12. That is, the coloring unit 15 is provided downstream of the slack absorbing unit 14 in the movement direction K of the electric wire 3, and is provided upstream of the sending port 12 in the movement direction K of the electric wire 3. For this reason, the coloring unit 15, that is, a coloring nozzle 31 described later, is disposed between the feed roll 12 and the correction unit 13.
- the coloring unit 15 includes a unit main body 30, a plurality of coloring nozzles 31, and a plurality of coloring material supply sources 32 (only one is shown in the figure and the others are omitted). And a pressurized gas supply source 33.
- the unit body 30 is fixed to the frame 10.
- the unit main body 30 supports a plurality of coloring nozzles 31.
- the coloring nozzle 31 includes a nozzle member 50 as shown in FIG.
- the nozzle member 50 is formed in a cylindrical shape.
- the nozzle member 50 is made of polyetheretherketone (Polyethe retherketone: PEEK) or polyetherimide (Polyetherimide: PEI) force.
- the coloring nozzle 31 is supplied with the coloring material from the coloring material supply source 32.
- the coloring nozzle 31 sprays the coloring material from the nozzle member 50.
- the coloring nozzle 31 sprays a coloring material onto the outer surface 3a of the electric wire 3 by a certain amount based on a command from the control device 19.
- the coloring nozzle 31 having the above-described structure sprays a liquid coloring material from a coloring material supply source 32, which will be described later, on the outer surface 3a of the electric wire 3 by a predetermined amount.
- the coloring nozzle 31 attaches the droplets of the colored material sprayed onto the outer surface 3a of the electric wire 3, and colors (marks) at least a part of the outer surface 3a of the electric wire 3.
- the coloring nozzles 31 are attached to the unit body 30, a plurality of the coloring nozzles 31 are arranged along the moving direction of the electric wire 3, and a plurality of the coloring nozzles 31 are arranged along the circumferential direction around the electric wire 3.
- the unit body 30 moves the coloring nozzle 31 along the moving direction K of the electric wire 3. Five are lined up.
- the unit body 30 has three colored nozzles 31 arranged in the circumferential direction around the electric wire 3.
- each coloring nozzle 31 is in a state in which the uppermost portion 3b of the electric wire 3 is positioned on the extension of the axis R of the nozzle member 50 (indicated by a one-dot chain line in FIG. 3).
- the unit body 30 is supported.
- the coloring nozzle 31 sprays the coloring material along the axis R. For this reason, the coloring nozzle 31 applies a certain amount of colorant to the uppermost part 3b of the electric wire 3 in a directed direction.
- the coloring nozzle 31 having the above-described configuration serves as a coloring means.
- the coloring material supply source 32 stores the coloring material and supplies the coloring material into the coloring nozzle 31.
- One coloring material supply source 32 corresponds to each coloring nozzle 31.
- Colorant supply source 32 force The color B of the colorant supplied to the coloring nozzle 31 may be different or the same.
- the pressurized gas supply source 33 supplies the pressurized gas into the coloring material supply source 32.
- the pressurized gas supply source 33 supplies the pressurized gas into the coloring material supply source 32 so that the coloring material is quickly sprayed from the nozzle member 50.
- the coloring unit 15 having the above-described configuration sprays a coloring material from an arbitrary coloring nozzle 31 toward the electric wire 3 by a certain amount based on a command from the control device 19.
- a coloring material having a viscosity of 0.3 mPa's (millipascal second) or more and 4.5 mPa-s (millipascal second) or less is used.
- the viscosity of the coloring material accommodated by the coloring material source 32 and sprayed by the coloring nozzle 31 is not less than 0.3 mPa's and not more than 4.5 mPa's.
- the above-mentioned coloring material is a liquid material in which a coloring material (industrial organic material) is dissolved and dispersed in water or other solvent.
- Organic substances include dyes and pigments (mostly organic substances and synthetic products), and sometimes dyes are used as pigments and pigments are used as dyes.
- the colorant is a coloring liquid or a paint.
- the colored liquid indicates that the dye is dissolved or dispersed in the solvent, and the paint indicates that the pigment is dispersed in the dispersion. For this reason, if the colored liquid adheres to the outer surface 3a of the wire 3, the dye penetrates into the coated portion 5, and if the paint adheres to the outer surface 3a of the electric wire 3, the pigment does not penetrate into the coated portion 5. Adhere to surface 3a.
- the coloring unit 15 dyes a part of the outer surface 3 a of the electric wire 3 with a dye or applies a pigment to the outer surface 3 a of the electric wire 3. For this reason, coloring the outer surface 3a of the electric wire 3 means that a part of the outer surface 3a of the electric wire 3 is dyed (dyed) and a pigment is applied to a part of the outer surface 3a of the electric wire 3. It shows.
- the solvent and the dispersion have an affinity for the synthetic resin constituting the covering portion 5.
- the dye is surely soaked into the coating portion 5, and the pigment is surely adhered to the outer surface 3a.
- the above-described droplet spraying indicates that the colored nozzle 31 is in a liquid colorant droplet state, that is, a droplet state, and is urged and ejected to the outer surface 3a of the wire 3. ing.
- the duct 16 is provided on the side of the feeding roll 12 of the coloring unit 15, and is provided between the coloring unit 15 and the feeding roll 12. That is, the duct 16 is provided downstream of the coloring unit 15 in the movement direction K of the electric wire 3, and is provided upstream of the feeding roll 12 in the movement direction K of the electric wire 3.
- the duct 16 is formed in a cylindrical shape, and the electric wire 3 is passed inside.
- a suction means (not shown) such as a vacuum pump is connected to the duct 16. The suction means sucks the gas in the outside 16 and prevents the solvent and dispersion in the coloring material from filling the outside of the coloring device 1.
- the encoder 17 is provided downstream of the feed roll 12 in the moving direction K of the electric wire 3.
- the encoder 17 includes a pair of rotors 47 as shown in FIG.
- the rotor 47 is supported so as to be rotatable around the axis.
- the outer peripheral surface of the rotor 47 is in contact with the outer surface 3 a of the electric wire 3 sandwiched between the pair of delivery ports 12.
- the rotor 47 rotates along the arrow K when the core wire 4, that is, the electric wire 3 travels (moves).
- the rotor 47 rotates around the axis as the core 4 along the arrow K, that is, the electric wire 3 travels (moves).
- the amount of travel (movement) of the core wire 4, that is, the electric wire 3 along the arrow is proportional to the rotational speed of the rotor 47.
- the encoder 17 is connected to the control device 19.
- the encoder 17 When the rotor 47 rotates by a predetermined angle, the encoder 17 outputs a pulse-like signal to the control device 19 by force. That is, the encoder 17 outputs information corresponding to the amount of movement of the electric wire 3 along the arrow K to the control device 19. In this way, the encoder 17 measures information corresponding to the amount of movement of the electric wire 3 and outputs information corresponding to the amount of movement of the electric wire 3 to the control device 19 in a directed manner.
- Normal Yoko In da 17 a noise signal corresponding to the amount of movement of wire 3 is output due to the friction between wire 3 and rotor 47.
- speed information may be obtained at another location, the information may be fed back, and a comparison operation may be performed.
- the control device 19 is a computer having a known RAM, ROM, CPU, and the like.
- the control device 19 is connected to the feed roll 12, the encoder 17, the cutting device 18, the coloring nozzle 31, and the like. By controlling these operations, the control of the coloring device 1 and the cutting device 18 is linked. Samurai.
- the control device 19 stores a pattern of the mark 6 in advance.
- a predetermined pulse signal that is, information corresponding to the amount of movement of the electric wire 3 is input from the encoder 17, the control device 19 applies a predetermined amount of coloring material to the electric wire 3 from a predetermined coloring nozzle 31. Let it shoot.
- the control device 19 shortens the time interval for spraying the coloring material from the coloring nozzle 31, and the moving speed of the electric wire 3 decreases. Increase the time interval at which the coloring material is sprayed from the coloring nozzle 31.
- the control device 19 colors the electric wire 3 according to a previously stored pattern. Based on the amount of movement of the electric wire 3 measured by the encoder 17, the control device 19 causes the coloring nozzle 31 to spray the coloring material at a constant amount.
- control device 19 determines that the electric wire 3 has moved by a predetermined amount based on the information from the encoder 17, after stopping the feed roll 12, the control device 19 brings the pair of cutting blades 48, 49 close to each other and moves the electric wire 3. Disconnect.
- the guide roll 11 When forming the mark 6 on the outer surface 3a of the electric wire 3 with the coloring device 1 having the above-described configuration, that is, when coloring the outer surface 3a of the electric wire 3, the guide roll 11 is first attached to the frame 10. A pair of cutting blades 48 and 49 are separated from each other, and the wire 3 wound around the guide roll 11 is passed through the correction unit 13, the slack absorbing unit 14, the coloring unit 15 and the duct 16 in this order, and a pair of feed rolls. Put between 12. Then, a coloring nozzle 31 is attached to a predetermined portion of the unit main body 30 of the coloring unit 15, and a coloring material supply source 32 containing a coloring material having a desired viscosity is connected to each coloring nozzle 31.
- the pressurized gas supply source 33 is connected to the coloring material supply source 32, and the gas in the duct 16 is sucked by the suction means.
- the feed roll 12 is driven to rotate, the electric wire 3 is pulled from the guide roll 11 and moved along the longitudinal direction of the electric wire 3, and the first biasing force HI is applied to the electric wire 3 by the correction unit 13.
- the electric wire 3 is stretched by applying the frictional force.
- the moving roller 26, that is, the electric wire 3 is urged by the air cylinder 27 with the second urging force H2.
- control device 19 applies a predetermined amount of coloring material from the predetermined coloring nozzle 31 to the outer surface 3a of the electric wire 3. Drip towards.
- the colorant force adhering to the outer surface 3a of the electric wire 3 evaporates the solvent or the dispersion described above, and dyes the outer surface 3a of the electric wire 3 with a dye or applies a pigment to the outer surface 3a.
- the coloring material force adhering to the outer surface 3a of the electric wire 3 The evaporated solvent or dispersion is sucked into the suction means from the duct 16. Thus, the outer surface 3a of the electric wire 3 is colored.
- the control device 19 stops the feed roll 12. Then, in particular, the electric wire 3 is loosened between the pair of guide rollers 24 of the slack absorbing unit 14, and the moving roller 26 urged by the second urging force H2 is displaced to the position indicated by the two-dot chain line in FIG. To do. Then, the telescopic rod 29 of the air cylinder 27 of the slack absorbing unit 14 extends. Then, the slack absorbing unit 14 absorbs slack of the electric wire 3.
- the viscosity of the colorant is 0.3 mPa's or more and 4.5 mPa's or less, so the interval at which the colorant is sprayed from the color nozzle 31 (temporal interval) Even if the value changes (whether it is shorter or longer), it is possible to suppress variation in the mass of one drop of the coloring material. Even if the interval at which the coloring material is sprayed is changed, the variation in the mass of one coloring material droplet can be suppressed, so that the colored portion (point 7 described above) can be maintained in a desired area (size). Therefore, the marking can always be applied to the electric wire 3 even when the moving speed of the electric wire 3 changes in accordance with the time interval for spraying the coloring material.
- the coloring nozzle 31 applies a certain amount of coloring material to the electric wire 3 and sprays it. In this way, the wire 3 is colored during the relative movement between the wire 3 and the coloring nozzle 31. For this reason, since it is not necessary to stop the electric wire 3 in order to color the electric wire 3, work efficiency is not reduced. In addition, during the relative movement of the electric wire 3 and the coloring nozzle 31, the coloring material is sprayed by a certain amount by directing the electric wire 3, so that an arbitrary position of the electric wire 3 can be colored. Can be colored.
- the encoder 17 measures the amount of movement of the electric wire 3, and the control device 19 controls the coloring nozzle 31 according to the amount of movement of the electric wire 3. For this reason, when the moving speed of the electric wire 3 is increased, the interval at which the coloring material is sprayed can be shortened, and when the moving speed of the electric wire 3 is decreased, the interval at which the coloring material is sprayed can be increased. Thus, even if the moving speed of the electric wire 3 changes, the interval between the coloring materials attached to the outer surface 3a of the electric wire 3 can be kept constant.
- the coloring material can be attached to the outer surface 3a of the electric wire 3 according to a predetermined pattern. That is, even if the moving speed of the electric wire 3 changes, the electric wire 3 can be colored according to a predetermined pattern.
- the inventors of the present invention measured the variation in the mass of one drop of the colorant when the colorants having different viscosities were sprayed from the color nozzle 31 described above.
- the results are shown in FIG.
- the coloring material having a nozzle member 50 having an inner diameter of 100 m (micrometer) and a viscosity of less than 0.3 mPa's to 5.
- OPa's or more was used.
- Each viscosity colorant was sprayed at a frequency of 500 Hz (Hertz) and 3000 Hz (Hertz). In other words, the time interval at which the coloring material of each viscosity was sprayed was changed from the time interval at which 500 droplets were sprayed within 1 second to the time interval at which 3000 droplets were sprayed within 1 second.
- the horizontal axis in FIG. 5 represents the viscosity of the colorant.
- the vertical axis in FIG. 5 shows the variation in the mass of the colorant when the colorant of each viscosity is sprayed in the frequency range described above.
- the vertical axis in Fig. 5 shows the mass of each colorant when sprayed at 500 Hz, and the mass of each colorant when sprayed at 500 Hz.
- the ratio to the mass of one drop of coloring material was calculated, and the change from the mass of one drop of coloring material at the maximum frequency of 500 Hz among the above-mentioned frequencies is shown. For example, if the vertical axis in Fig. 5 is 20%, the mass force of a single colorant when sprayed at a certain frequency is 500 Hz. It indicates that it is 80% or 120% of the mass of one drop of the colorant when sprayed with.
- the coloring material adheres to the outer surface 3 a of the electric wire 3, it is considered that the mass of the coloring material and the size of the point 7 of the mark 6 are proportional. In other words, when the change in mass is 75% or less, it is apparent that it is possible to keep the diameter such as the diameter of point 7 within the range of about half the force at 500 Hz. It became. In this way, when the viscosity of the colorant is 4.5 mPa's or less, even if the time interval or frequency of the droplets is changed, the change in the mass of one drop of the colorant can be suppressed, and a constant size mark is always obtained. It became clear that 6 (Point 7 mentioned above) can be formed.
- the time interval during which droplets are sprayed by coloring the outer surface 3a of the electric wire 3 with a coloring material having a viscosity of 0.3 mPa's or more and 4.5 mPa's or less is a constant size mark 6 (the point 7 described above) can always be formed. It became clear that it could be applied.
- the mark 6 having the constant size (the point 7 described above) can always be formed, and the constant marking can always be more reliably performed. It became clear that it can be applied to.
- the inventors of the present invention also have a coloring material having a viscosity of 0.3 mPa's (the product A of the present invention indicated by a solid line in Fig. 6) and a coloring material having a viscosity of 1.5 mPa's (Fig.
- the product B) of the present invention indicated by a one-dot chain line in FIG. 6 and a coloring material having a viscosity of 4.5 mPa's (the product C of the present invention indicated by a two-dot chain line in FIG. 6) are dropped from the aforementioned coloring nozzle 31.
- the dispersion of the mass of one drop of the coloring material when it was shot was measured. The result is shown in FIG. In the measurement shown in FIG.
- the inner diameter of the nozzle member 50 is 100 m ( Micrometer) coloring nozzle 31 was used.
- the aforementioned coloring materials A to C of the present invention were sprayed at a frequency of 3000 Hz (Hertz) with 5 OOHz (Hertz) force. In other words, the time interval for spraying the coloring material of each viscosity was changed from the time interval for 500 drops per second to the time interval for 3000 drops per second.
- the horizontal axis in FIG. 6 represents the frequency, that is, the time interval during which the coloring material is sprayed.
- the vertical axis in FIG. 6 shows the variation in the mass of the colorant when the colorants A to C of the present invention are sprayed in the above-mentioned frequency range.
- the vertical axis in FIG. 6 shows the mass of the colorant droplet when sprayed at each frequency, assuming that the mass of the colorant droplet when sprayed at 500 Hz is 100% in the colorants of the present invention products A to C. Shows the percentage. For example, 20% on the vertical axis in Fig. 6 is 80% or 120% of the mass of the colorant-droplet when sprayed at a frequency of 500Hz. It is shown that.
- the variation in the mass of one drop of the colorant is within the above-mentioned range of 500 Hz to 3000 Hz. It became clear that it was within the range of + 20% or less above%. That is, in any of the products A force C of the present invention, even if the time interval of the droplet spraying, that is, even if the moving speed of the electric wire 3 changes, the change in the mass of one drop of the coloring material can be suppressed, and it always has a constant size. Mark 6 (Point 7 mentioned above) can be formed, and it has become clear that constant marking can always be applied to the wire 3
- the viscosity of the coloring material is 0.3 mPa's or more and 4.5 mPa's or less.
- the viscosity of the coloring material may be 0.3 mPa's or more and 3.25 mPa's or less.
- the colored portion (point 7 described above) should be maintained in a desired area (size). Can be sure. Therefore, even if the distance at which the coloring material is sprayed, that is, the moving speed of the electric wire 3 is changed, a constant marking can always be reliably applied to the electric wire 3.
- the viscosity of the colorant may be 0.3 mPa's or more and 1.75 mPa's or less.
- the interval at which the coloring material is sprayed is changed ( Variation in the mass of one drop of the colorant can be further suppressed (whether it is shorter or longer).
- the interval at which the coloring material is sprayed is changed, variation in the mass of one coloring material droplet can be further suppressed, so that the colored portion (point 7 described above) can be maintained in a desired area (size). More surely. Accordingly, even when the distance at which the coloring material is sprayed, that is, the moving speed of the electric wire 3 changes, the electric wire 3 can always reliably perform a certain marking.
- various materials such as acrylic paints, inks (dyes and pigments), and UV inks may be used as the coloring liquid and the paint.
- the wire 3 constituting the wire harness routed in the automobile is described.
- the electric wire 3 may be used not only for automobiles but also for various electronic devices such as portable computers and various electric machines.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electric Cables (AREA)
- Insulated Conductors (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005800248595A CN1989576B (en) | 2004-06-25 | 2005-06-24 | Electric cable coloring method and electric cable coloring device |
MXPA06015019A MXPA06015019A (en) | 2004-06-25 | 2005-06-24 | Electric cable coloring method and electric cable coloring device. |
EP05765108A EP1780735A4 (en) | 2004-06-25 | 2005-06-24 | Electric cable coloring method and electric cable coloring device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-188260 | 2004-06-25 | ||
JP2004188260A JP4477948B2 (en) | 2004-06-25 | 2004-06-25 | Electric wire coloring method and electric wire coloring device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006001371A1 true WO2006001371A1 (en) | 2006-01-05 |
Family
ID=35779607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/011627 WO2006001371A1 (en) | 2004-06-25 | 2005-06-24 | Electric cable coloring method and electric cable coloring device |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1780735A4 (en) |
JP (1) | JP4477948B2 (en) |
CN (1) | CN1989576B (en) |
MX (1) | MXPA06015019A (en) |
WO (1) | WO2006001371A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1816837A1 (en) | 2006-02-03 | 2007-08-08 | Giesecke & Devrient GmbH | IC card communicating with a terminal and comprising an administration program for a plurality of application programs stored in said card |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5706761B2 (en) * | 2011-06-06 | 2015-04-22 | 矢崎総業株式会社 | Wire marking device and method |
DE202016104611U1 (en) * | 2016-08-23 | 2017-08-24 | Eugen Forschner Gmbh | Cable and device for its manufacture |
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JPS6136381A (en) * | 1984-07-30 | 1986-02-21 | Nippon Telegr & Teleph Corp <Ntt> | Ink for ink jet recording |
JPH0436908A (en) * | 1990-05-31 | 1992-02-06 | Japan Airlines Co Ltd | Printing device for wire |
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JPH09171726A (en) * | 1995-12-19 | 1997-06-30 | Sumitomo Electric Ind Ltd | Marking method for cable |
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JP2002301837A (en) * | 2001-04-06 | 2002-10-15 | Hitachi Cable Ltd | Automatic printing control method for cable surface |
JP2002322397A (en) * | 2001-01-30 | 2002-11-08 | J S Staedtler Gmbh & Co | Ink for use in ink jet printing and method for using the same |
JP2004122574A (en) * | 2002-10-02 | 2004-04-22 | Konica Minolta Holdings Inc | Inkjet recording method |
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AT342132B (en) * | 1974-11-04 | 1978-03-10 | Siemens Ag | DEVICE FOR PRINTING STRANDED GOODS |
FR2672401A1 (en) * | 1991-02-04 | 1992-08-07 | Filotex Sa | Process for regulating the viscosity of an ink or the like and device for the implementation thereof |
DE4438090A1 (en) * | 1994-10-25 | 1996-05-02 | Siemens Ag | Coating and integrated durable marking of electrical and optical cables |
JP2004079200A (en) * | 2002-08-09 | 2004-03-11 | Yazaki Corp | Electric wire and method for marking it |
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2004
- 2004-06-25 JP JP2004188260A patent/JP4477948B2/en not_active Expired - Fee Related
-
2005
- 2005-06-24 MX MXPA06015019A patent/MXPA06015019A/en active IP Right Grant
- 2005-06-24 WO PCT/JP2005/011627 patent/WO2006001371A1/en active Application Filing
- 2005-06-24 EP EP05765108A patent/EP1780735A4/en not_active Withdrawn
- 2005-06-24 CN CN2005800248595A patent/CN1989576B/en not_active Expired - Fee Related
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JPS6136381A (en) * | 1984-07-30 | 1986-02-21 | Nippon Telegr & Teleph Corp <Ntt> | Ink for ink jet recording |
JPH0436908A (en) * | 1990-05-31 | 1992-02-06 | Japan Airlines Co Ltd | Printing device for wire |
JPH0525417A (en) * | 1991-07-22 | 1993-02-02 | Seiko Epson Corp | Ink for ink jet printer |
JPH07220542A (en) * | 1994-02-02 | 1995-08-18 | Sumitomo Wiring Syst Ltd | Data recording method and apparatus on electric wire bundle, and wire harness manufacturing apparatus having the recording apparatus |
JPH09171726A (en) * | 1995-12-19 | 1997-06-30 | Sumitomo Electric Ind Ltd | Marking method for cable |
JP2001088280A (en) * | 1999-09-21 | 2001-04-03 | Tatsuta Electric Wire & Cable Co Ltd | Printing method for nonadhesive resin molding, wire/ cable surface printed by that printing method, and printer therefor |
JP2002113938A (en) * | 2000-10-10 | 2002-04-16 | Fuji Xerox Co Ltd | Method for ink-jet recording |
JP2002322397A (en) * | 2001-01-30 | 2002-11-08 | J S Staedtler Gmbh & Co | Ink for use in ink jet printing and method for using the same |
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EP1816837A1 (en) | 2006-02-03 | 2007-08-08 | Giesecke & Devrient GmbH | IC card communicating with a terminal and comprising an administration program for a plurality of application programs stored in said card |
Also Published As
Publication number | Publication date |
---|---|
MXPA06015019A (en) | 2007-03-01 |
EP1780735A1 (en) | 2007-05-02 |
CN1989576B (en) | 2010-11-24 |
EP1780735A4 (en) | 2008-08-06 |
JP4477948B2 (en) | 2010-06-09 |
CN1989576A (en) | 2007-06-27 |
JP2006012609A (en) | 2006-01-12 |
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