KR102369027B1 - Wire harness manufacturing method - Google Patents

Abstract

The present invention relates to a method for manufacturing a wire harness and, more specifically, to a method for manufacturing a wire harness for efficiently producing a wire harness. The present invention comprises: a processing step (S10) of pressing a wire and a terminal using a processing apparatus; an assembling step (S20) including a step (S21) of installing a housing on an end part of the wire and a step (S22) of binding a plurality of wires; an inspecting step (S30) of applying a current to a wire harness manufactured from the assembling step (S20) through an inspecting apparatus and grasping current flow; and a packing step (S40) of packing the wire harness.

Description

Wire harness manufacturing method {WIRE HARNESS MANUFACTURING METHOD}

The present invention relates to a method for manufacturing a wire harness, and more particularly, to a method for manufacturing a wire harness enabling efficient production of a wire harness.

In general, a wire harness is a device in which a plurality of wires are bundled into one and contact terminals are formed at both ends of each of the bound wires. It is mainly used for conventional wiring.

Moreover, in current devices (eg, automobiles, etc.), the frequency of use of the wire harness is gradually increasing while the attachment of various electronic devices is increasing in order to improve usability.

The prior art, Laid-Open Patent Publication No. 10-2012-0130010 (hereinafter referred to as the prior art) relates to a wire harness and a method for manufacturing the same, and more specifically, a member obtained by heat-molding an electric wire 10 and a nonwoven fabric 20, Covering a part of the lengthwise direction of the electric wire 10 and including the protection members 21 and 22 in which a curved portion of continuous turns in the longitudinal direction is formed, so as to cover a portion likely to come into contact with other members Since the member is provided, it is possible to prevent damage to the electric wire.

However, the above-described prior art has problems such as that the wire harness cannot be produced more efficiently.

The present invention has been devised to solve the above problems, and an object of the present invention is to provide a method of manufacturing a wire harness that can improve the productivity of the wire harness.

The present invention for the purpose of solving the above problems has the following configuration and features.

A processing step of crimping the wire and the terminal using a processing device (S10); an assembly step (S20) comprising the steps of installing a housing at the end of the wire (S21) and bundling a plurality of wires (S22); an inspection step (S30) of applying a current to the wire harness manufactured in the assembling step (S20) through an inspection device and grasping energization; and a packaging step (S40) of packaging the wire harness.

In addition, the processing step (S10), by using the transfer roller of the processing device to transfer the electric wire in the horizontal direction to move toward the cutting part of the processing device (S11); Peeling off the cover of the electric wire using the cut (S12); moving the transfer roller through the turning part of the processing apparatus, and driving the transfer roller to move the electric wire toward the first terminal supplying unit of the processing apparatus for supplying terminals (S13); crimping the end of the electric wire and the terminal using the first crimping portion of the processing device (S14); moving the conveying roller through the turning unit, and driving the conveying roller to convey the electric wire to the gripper side of the processing device disposed at the rear end of the cutting unit (S15); cutting the electric wire using the cutting part (S16); moving the cut wire using the gripper to a second terminal supply unit of the processing device for supplying terminals (S17); crimping the end of the electric wire and the terminal using the second crimping unit of the processing device (S18); and discharging the wire to which the terminal is pressed by using the gripper (S19) to the discharge unit of the processing apparatus.

In addition, the processing device includes a bottom portion disposed on the tip side of the transfer roller, a shaft member protruding vertically from the bottom portion and inserted into a shaft hole of the take-up roller on which the electric wire is wound, and extending upwardly around the bottom portion a loading unit including a guide wall; a passive roller connected to a vertical frame provided on one side of the loading part and disposed above the loading part; and a guide ring connected to the vertical frame, disposed between the loading part and the driven roller, and through which an electric wire released from the winding roller passes.

The present invention having the above configuration and characteristics has the effect of improving the manufacturing efficiency of the wire harness by including the processing step performed by the processing apparatus.

1 is a schematic flowchart for explaining a method of manufacturing a wire harness according to an embodiment of the present invention.
2 is a schematic block diagram for explaining a processing apparatus for performing a wire harness manufacturing method.
3 is a view for explaining a transfer roller, a cutting part, a turning part, a first crimping part, etc. of the processing apparatus.
FIG. 4 is a view for explaining a state in which the transfer roller of FIG. 3 is rotated by the turning unit.
5 is a view for explaining an electric wire cut by a cutting unit.
6 is a view for explaining a second crimping unit, a holding unit, a discharge unit, etc. of the processing apparatus.
7 is a view for explaining a state in which the gripper for gripping the electric wire has moved toward the second crimping portion.
8 is a view for explaining a control unit of the processing apparatus.
9 is a view for explaining a loading unit, a driven roller, and a guide ring of the processing apparatus.
10 is a view for explaining an inspection device.
11 is a view for explaining a wire harness accommodated in a packaging container and packaged.
12 is a view for explaining a further embodiment of the present invention.

Since the present invention can have various changes and can have various forms, implementation examples (態樣, aspects) (or embodiments) will be described in detail in the text. However, this is not intended to limit the present invention to the specific disclosed form, it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

The terminology used herein is only used to describe a specific embodiment (aspect, aspect, aspect) (or embodiment), and is not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as comprises or consists of are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, but one or more other features It is to be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

~1~, ~2~, etc. described in the present specification are only to be referred to to distinguish that they are different components, and are not limited to the order of manufacture, and their names in the detailed description and claims of the invention are may not match.

Throughout this specification, when a part is said to be "connected" with another part, it is not only "directly connected (including electrical connection)" but also "indirectly connected" with another element interposed therebetween. (including electrical connection)”.

1 is a schematic flowchart for explaining a method for manufacturing a wire harness according to an embodiment of the present invention, FIG. 2 is a schematic block diagram for explaining a processing apparatus for performing the method for manufacturing a wire harness, and FIG. 3 is processing It is a view for explaining the transfer roller of the device, the cutting part, the turning part, the first crimping part, etc., FIG. 4 is a view for explaining the state in which the transfer roller of FIG. 3 is rotated by the turning part, and FIG. 5 is the cutting part It is a diagram for explaining the wire cut by the

The wire harness 5 is a device in which a plurality of wires 51 are bundled into one, and contact terminals are formed at both ends of each of the bound wires 51, in which electrical devices are concentrated. It is mainly used for electrical wiring of devices, especially automobiles.

The method for manufacturing a wire harness according to an embodiment of the present invention relates to a method for more efficiently manufacturing the above-described wire harness 5, and hereinafter, for convenience of description, it will be referred to as 'this method'.

1 to 5 , the method includes a processing step (S10), an assembly step (S20), an inspection step (S30) and a packaging step (S40).

The processing step S10 is a step of pressing the wire 51 and the terminal 52 (terminal) using the processing device 1 .

Although it will be described in more detail in the following description, the processing device 1 includes a transfer roller 10, a cutting part 11, a turning part 12, a first terminal supplying part 13a, a first crimping part 13b, and a gripping part. (14), the second terminal supply unit 15a, the second crimping unit 15b, the discharge unit 16, the loading unit 17, the driven roller 18 and the guide ring 19, and the like may be included. The transfer roller 10, the cutting part 11, the turning part 12, the first terminal supply part 13a, the first crimping part 13b, the grip part 14, the second terminal supply part 15a, the first 2The crimping part 15b, the discharging part 16, the loading part 17, the driven roller 18 and the guide ring 19 etc. are the frame (vertical frame F1), the horizontal frame (F2) of the processing apparatus 1 ), etc.) can be installed.

If the processing step (S10) will be described in more detail, the processing step (S10) is performed by transferring the electric wire 51 in the horizontal direction using the transfer roller 10 of the processing device 1 to It includes a step (S11) of moving to the cut portion (11) side.

The transfer roller 10 is disposed on both sides with the electric wire 51 as the center, is connected to the motor (middle), rotates in the vertical direction as the central axis, and is disposed on both sides with the electric wire 51 as the center The transfer roller 10 may rotate in opposite directions to transfer the electric wire 51 in a horizontal direction.

Here, the horizontal direction is a direction parallel to the floor (ground), and the vertical direction is a direction parallel to the vertical direction, and the same will be applied hereinafter.

In addition, the processing step (S10) may include a step (S12) of peeling the cover of the electric wire 51 using the cutting part 11 .

The cutting part 11 may include a pair of knives, for example, connected to a driving device (eg, a hydraulic cylinder, etc.) and whose vertical distance is adjusted by driving the driving device.

Illustratively, in a state in which a pair of knives cut the covering of the electric wire 51, the electric wire 51 is reciprocated along the horizontal direction by the transfer roller 10, and in the step (S12), the electric wire 51 is The covering may peel off.

In the processing step (S10), the transfer roller 10 is moved through the turning part 12 of the processing apparatus 1, and the transfer roller 10 is driven to connect the electric wire 51 to the terminal 52. It may include a step (S13) of moving to the first terminal supply unit (13a) side of the processing apparatus (1) for supplying the.

Illustratively, the processing apparatus 1 may include a seating part on which the transfer roller 10 is mounted, and the turning part 12 exemplarily includes a vertical shaft member (not shown) connected to the seating part and the vertical shaft. It may include a driving unit (not shown) for rotating the member (not shown).

In the step (S12), the electric wire 51 engaged with the transfer roller 10 is transferred, and the cover is peeled off, and in the step (S13), it is moved toward the first terminal supply unit 13a.

Before the step (S14) to be described later, the transfer roller 10 moves the electric wire 51 in the horizontal direction so that the electric wire 51 is in contact with the terminal 52 supplied from the first terminal supply unit 13a. there is.

In addition, the processing step (S10) may include a step (S14) of pressing the end of the electric wire 51 and the terminal 52 using the first crimping portion 13b of the processing device 1 (S14).

In the steps (S13) and (S14), the plurality of terminals 52 may be connected to the connecting member (a).

The connecting member (a) (eg, wire, etc.) is stored in a state wound on a winding roller, and a first terminal supply unit 13a rotates the winding roller to rotate a plurality of terminals 52 connected to the connection member (a). ) may be transferred to the first crimping unit 13b.

The first crimping unit 13b may include, for example, a press and a pressing unit (eg, a hydraulic cylinder, etc.) for driving the press, and in the step (S14), the metal part of the electric wire 51 and the terminal ( 52 is strongly compressed so that the metal surface is attached to each other, so that the electric wire 51 and the terminal 52 can be physically and electrically interconnected.

As such, the present method includes a processing step (S10) including steps (S11) to (S14), so that the wire harness 5 can be produced automatically, so that the wire harness 5 can be manufactured more efficiently. There is an advantage that there is

6 is a view for explaining a second crimping unit, a gripping unit, a discharge unit, etc. of the processing apparatus, and FIG. 7 is a view for explaining a state in which the holding unit for gripping the electric wire is moved to the second crimping unit side.

1 to 7, in the processing step (S10), the transfer roller 10 is moved through the turning part 12, and the transfer roller 10 is driven to drive the electric wire 51 (electric wire ( 51) may include a step (S15) of transferring to the gripper 14 side of the processing device 1 disposed on the rear end side than the cut portion 11 (S15).

Here, the front end and the rear end are based on the moving direction of the electric wire 51 in the processing apparatus 1, and the electric wire 51 in the processing apparatus 1 is a loading part 17 to be described later which is the front end of the processing apparatus 1 ) to the rear end side, the discharge unit 16 side (see FIG. 2).

That is, in the step (S15), the transfer roller 10 is moved again by the turning part 12, and as the transfer roller 10 is driven, the electric wire 51 moving by the transfer roller 10 is It moves to the cutting part 11, and the pair of knives of the cutting part 11 are spaced apart so that the electric wire 51 passes through the cutting part 11 and the holding part 14 disposed on the rear end side than the cutting part 11. will move to the side.

The gripping unit 14 may include forceps, a driving means for rotating the clamps in a horizontal direction as a central axis, and the like. The tongs and the driving means described above are common in the relevant field, and a more detailed description thereof will be omitted.

The processing step (S10) may include a step (S16) of cutting the electric wire 51 using the cutting part 11 .

The processing step (S10) is a process of supplying the terminal 52 to the cut wire 51 (the cut wire 51 disposed on the rear end with respect to the cut portion 11) using the gripping part 14. It may include a step (S17) of moving to the second terminal supply unit (15a) of the device (1).

It was said that the electric wire 51 was cut in the step (S16), but the portion (the portion disposed on the tip side with respect to the cut portion 11) engaged with the transfer roller 10 and transferred again from the step (S11). The part (hereinafter, the cut wire 51) that is cut and disposed on the rear end with respect to the cut part 11 may be performed after the step (S17), which will be described later.

The processing step (S10) may include a step (S18) of pressing the end of the electric wire 51 and the terminal 52 using the second crimping portion 15b of the processing apparatus 1 .

(S18) Each of the second terminal supply unit 15a and the second crimping unit 15b for performing the step is different only in the position where it is disposed from the above-described first terminal supply unit 13a and the first crimping unit 13b, respectively. The description of the second terminal supply unit 15a and the second crimping unit 15b will be replaced with the description of the first terminal supplying unit 13a and the first crimping unit 13b described above because they include corresponding configurations.

In the wire 51 cut in step (S16), the rear end disposed on the rear end of both ends is in a state of being compressed with the terminal 52 in step (S14), and the front end formed by cutting in (S16) is the terminal 52 ) is not compressed.

In the step (S16), the cut wire 51 disposed on the rear end side than the cut part 11 can be peeled off by the cut part 11 as well as the terminal 52 in the step (S18). ) is compressed, so that the terminals 52 can be compressed on both ends of the cut wire 51 described above.

That is, the method includes the processing step (S10), steps (S11) to (S14) described above, as well as steps (S15) to (S18), so that the terminals 52 at both ends of the wire 51 are There is an advantage that it can be connected by pressing it.

The processing step (S10) is a step of discharging the wire 51 on which the terminal 52 is pressed using the gripping part 14 to the discharge part 16 (eg, a container) of the processing apparatus 1 ( S19) may be included.

8 is a view for explaining a control unit of the processing apparatus.

1 to 8, the processing apparatus 1 generates a control signal to control the motor, the driving device, the driving unit, the pressing unit, the driving means, etc. It may include a control unit that transmits the driving means and the like.

Various control components known to those skilled in the art (eg, various electronic devices or electronic modules such as a computer and a processor) may be applied to the control unit. Illustratively, the control unit may be configured to transmit a signal or command generated according to a program or algorithm included therein to a motor, a driving device, a driving unit, a pressing unit, a driving means, and the like. For example, the control unit may be included in a motor, a driving device, a driving unit, a pressing unit, a driving means, or the like, or a motor, a driving device, a driving part, a pressing part, a driving part, etc. It is provided separately from the means and the like and may be connected to a motor, a driving device, a driving part, a pressing part, a driving means, etc. by wire or wirelessly.

9 is a view for explaining a loading unit, a driven roller, and a guide ring of the processing apparatus.

1, 2, and 9, the processing apparatus 1 is a bottom portion 171 disposed on the tip side than the transfer roller 10, and protrudes in the vertical direction on the bottom portion 171. A shaft member 172 inserted into the shaft hole of the winding roller b on which the electric wire 51 is wound, and a loading part 17 including a guide wall 173 extending upwardly from the periphery of the bottom part 171 can do.

In addition, the processing apparatus is connected to a horizontal frame (F2) connected to a vertical frame (F1) provided on one side of the loading part (17), and includes a driven roller (18) disposed above the loading part (17) can do. The upper side (upward, upper side, etc.) means upper side (upward, upper side, etc.) in the vertical direction.

The electric wire 51 wound on the take-up roller (b) may be unwound and move to the transfer roller 10 past the driven roller 18 .

The processing device 1 is connected to the vertical frame F1, is disposed between the loading part 17 and the driven roller 18, and a guide ring through which the wire 51 loose from the winding roller (b) passes through ( 19) may be included.

In general, in the field of this method, the electric wire 51 is stored in a state wound on the winding roller (b), and it is generally used after being unwound. At this time, since the processing device 1 performing the processing step S10 of the present method includes the guide wall 173, the driven roller 18 and the guide ring 19, the wire used after being unwound from the winding roller (b) (51) is arranged in a larger area in the work place where the processing apparatus 1 is arranged, there is an advantage that it can effectively suppress the occurrence of kinking. That is, there is an advantage that the electric wire 51 can be guided toward the transfer roller 10 .

10 is a view for explaining an inspection device.

1 and 10 , the assembling step S20 includes installing the housing 53 at the end of the electric wire 51 ( S21 ) and bundling the plurality of wires 51 ( S22 ).

The housing 53 is for physically and timely coupling the adjacent terminals 52 to each other or for physically and electrically coupling the terminal 52 connected to the end of the wire 51 to a separate electric device, It is commonly used in the relevant field (refer to prior registration patent 10-0299632).

Illustratively, the housing 53 may include an installation hole formed in a side portion to allow the terminal 52 to pass therethrough, and the step (S21) may be a step for installing the terminal 52 by inserting the terminal 52 into the through hole.

The step (S22) may be performed by a fastener 2 such as a cable tie.

By bundling the wires 51 to which the terminals 52 are connected at the ends, a plurality of wires 51 can be manufactured as a wire harness 5 .

1 and 3, the inspection step (S30) is a step of applying a current to the wire harness 5 manufactured in the assembling step (S20) using the inspection device (3) and grasping the energization.

The inspection device 3 is commonly used in the field, and includes a power supply that applies a current, a device that measures resistance to determine energization, and another terminal connected to a terminal 52 in the wire harness 5 . will include

The inspection step (S30) may further include a step of measuring the length of the wire harness (5).

11 is a view for explaining a wire harness accommodated in a packaging container and packaged.

1 and 11, the packaging step (S40) is a step of packaging by accommodating the wire harness 5 in the packaging container 4 (for example, a box).

On the other hand, the loading unit 17 may include a waterproofing agent (GS) and a condensation inhibitor (G) provided on the upper portion of the bottom portion (171).

The waterproofing agent GS is provided on the bottom portion 171 and may include 10 parts by weight of urethane. The waterproofing agent GS includes urethane to add waterproofness to the bottom portion 171 .

The condensation inhibitor (G) is an impact exothermic agent (G1) containing 0.2 parts by weight of sodium acetate, tolylene diisocyanate and ethylenediamine 0.1 parts by weight of polyurea formed through interfacial polycondensation An endothelial agent (G2) containing A cationic agent (G4) containing 0.2 parts by weight of a mixture of polyoxyethylene), a thermal conductive spacer (G5) containing 0.4 parts by weight of carbon fiber with an aspect ratio of 20 or more, and a pressurizing agent (G6) containing 0.3 parts by weight of iron (fe) can do.

Referring to FIG. 12, when the dew condensation inhibitor (G) is described in more detail, the impact exothermic agent (G1) is an aqueous solution containing sodium acetate, and the solvent may be exemplarily water, and the sodium acetate is supersaturated in the solvent. may be dissolved in

Sodium acetate of the impact exothermic agent (G1) is supersaturated in a solvent and is in a very unstable state, so it hardens easily even with a slight impact, and can release heat contained in a liquid state. The impact heat generating agent (G1) may generate heat by being impacted by a pressurizing agent (G6), which will be described later.

It is preferable that 0.2 parts by weight of sodium acetate is included. When sodium acetate is less than 0.2 parts by weight in the impact exothermic agent (G1), the exothermic effect is not great, and when it exceeds 0.2 parts by weight, the weight of the dew condensation inhibitor (G) increases and the waterproofing agent ( There is a problem in that the effect of suppressing condensation is reduced by sinking downward in GS).

The endothelial agent G2 surrounds the impact heating agent G1, and as described above, may include polyurea formed through interfacial polycondensation of tolylene diisocyanate and ethylenediamine.

Tolylene diisocyanay and ethylenediamine are interfacially polycondensed when stirred to form a shell (endodermis), but the presence of unreacted amine and the mixing process of oxygen and nitrogen atoms or in other molecules in the waterproofing agent (GS) A positive charge can be formed by attracting positively charged hydrogen or the like through dipole interactions.

Illustratively, the impact heating agent (G1) may be accommodated in the endothelial agent (G2) in a liquid state by being heated after being stirred with tolylene diisocyanay and ethylenediamine in a solid state, and the impact heating agent (G1) is the endothelium The process existing inside the second (G2) is not limited to the above method and may vary.

The endothelial agent (G2) preferably contains 0.1 parts by weight of polyurea, but when the amount of polyurea is less than 0.1 parts by weight, the impact heating agent (G1) containing 0.2 parts by weight cannot be sufficiently wrapped with a sufficient thickness. There is a risk that the impact heating agent (G1) in a liquid state may be lost, and when it exceeds 0.1 parts by weight, there is a problem in that the heat generated by the impact heating agent (G1) is not easily transferred to the outside of the condensation inhibitor (G).

The envelope (G3) surrounds the endothelium (G2) as shown in FIG. 12 and is disposed on the outside of the endothelium (G2), as described above, sulfur-cured ethylene-propylene diene monomer (Ethylene Propylene Diene Rubber) 0.3 It may contain parts by weight. The envelope (G3) surrounds the endothelium (G2) and the heat conduction spacer (G5) to be described later, and may be dispersed in the waterproofing agent (GS).

Ethylene-propylene diene monomer (EPDM) is obtained by adding a non-conjugated diene during the hybrid polymerization of ethylene and propylene, and has excellent water resistance and ozone resistance.

Illustratively, the EPDM may include an ethylene-propylene copolymer, treated calcined kaolin vinyl silane, stearic acid, zinc oxide, trimethylquinoline, a paraffinic plasticizer, a processing aid, and a conductive carbon black.

EPDM is a hybrid polymer capable of peroxide or sulfur vulcanization, and EPDM with added sulfur has a faster shrinkage rate at a low temperature of 5° C. or less than EPDM with added peroxide.

That is, the sulfur-cured ethylene-propylene diene monomer is sulfur-added to the EPDM, and may further include dithiomorpholine, tetramethylthiuram disulfide, dibutyldithiocarbonate zinc, and ethylene thiourea in addition to sulfur.

It is preferable that 0.3 parts by weight of the sulfur-cured ethylene-propylene diene monomer in the shelling agent (G3) is included, but when less than 0.3 parts by weight is used, the coating agent (G2) to be described later and the heat conduction spacer to be described later are not sufficiently wrapped with a sufficient thickness. If it exceeds 0.3 parts by weight, the weight of the anti-condensation agent (G) increases and sinks in the waterproofing agent (GS), thereby causing a problem in the function of the anti-condensation agent (G).

The cationic agent (G4) is provided on the outer and inner surfaces of the shelling agent (G3), respectively, and as described above, magnetite, polyacrylic acid and polyoxyethylene are included. Thus, it was used to add the polarity of the envelope (G3).

Magnetite is magnetic when it receives an external magnetic field, but when the external magnetic field is removed, the residual magnetism disappears and there is no side effect due to residual magnetism. The magnetite may be embedded in the outer and inner surfaces of the envelope G3, respectively.

Polymethacrylic acid is coated on the surface of the magnetite, and contains a plurality of carboxyl groups to form a coordination bond with the magnetite at multiple bonding points, so that it is possible to increase the coating stability.

Polyoxyethylene may react with a carboxyl group that does not form a coordination bond with magnetite on the surface of polymethacrylic acid to form a stable bond through an amide bond to impart positive charge properties to the magnetite. The positive surface charge of the cationic agent (G4) may have a surface zeta potential of +30 mV or more.

In the cationic agent (G4), 0.2 parts by weight of a mixture of magnetite, polyacrylic acid, and polyoxyethylene is preferably used. If less than 0.2 parts by weight, the positive charge is not sufficient, and 0.2 When the weight part is exceeded, there is a problem in that the weight of the anti-condensation agent (G) is excessively increased, and the anti-condensation agent (G) sinks in the waterproofing agent (GS).

The heat conduction spacer (G5) is provided between the endothelial material (G2) and the sheathing material (G3) to separate the endothelial material (G2) and the sheathing material (G3). Carbon fiber was used. The carbon fiber may have a thermal conductivity of about 200 W/mK, and may serve to transfer the heat generated by the impact heat generating agent (G1) to the shell material (G3) side.

The heat conduction spacer (G5) preferably contains 0.4 parts by weight of the carbon fiber. If it is less than 0.4 parts by weight, heat conduction is not sufficient. There is a problem in increasing the weight of G).

The pressurizing agent (G6) includes iron, is provided on the inner surface of the envelope (G3) to protrude inward, and may be provided in plurality at intervals from the inner surface of the envelope (G3).

The pressurizing agent (G6) applies an impact to the impact heat agent (G1) by pressurizing the impact heat agent (G1) as the shell material (G3) contracts, and the iron preferably contains 0.3 parts by weight, 0.3 parts by weight When less than part is included, a sufficient impact cannot be applied to the impact heating agent (G1), and when it exceeds 0.3 parts by weight, there is a problem in that the weight of the dew condensation inhibitor (G) is excessively increased.

[A] of FIG. 12 shows a state in which the envelope (G3) is not contracted at a temperature exceeding 5°C. The sheathing agent (G3) and the endothelial material (G2) are spaced apart by a heat conductive spacer (G5), and their length in a state in which the sheathing material (G3) is not contracted, such as at a temperature exceeding 5°C of the above-described pressurizing agent Since the distance between the tentative sheathing agent G3 and the endothelial material G2 is shorter, the pressurizing agent G6 cannot pressurize the impact heating agent G1 in a state in which the sheathing agent G3 is not contracted.

As described above, since the envelope (G3) and the endothelial material (G2) have a positive charge, the endothelium (G2) and the envelope material (G3) generate a repulsive force, so that the envelope (G3) is not contracted. The pressurizing agent provided on the inner surface of the agent (G3) suppresses the pressure of the endothelial agent (G2).

In addition, when there are a large number of units (GU) of the anti-condensation agent (G), the anti-condensation agent (G) ) can be improved.

[B] of FIG. 12 is a view showing a state in which the envelope (G3) is contracted at a temperature of 5°C or less. If the temperature of the waterproofing agent (GS) drops to 5 ° C. or less in the state in which the condensation inhibitor (G) and the waterproofing agent (GS) are applied, the shelling agent (G3) contracts as described above, and the shelling agent (G3) ) and the separation distance between the endothelial material (G2) is reduced, and the pressurizing agent (G6) provided on the inner surface of the sheathing material (G3) penetrates the distance between the carbon fibers or between the pores of the carbon fibers to form the endothelial material (G2) By pressurizing, it is possible to apply an impact to the impact heating agent (G1) provided inside the endothelial agent (G2).

The impact heat agent (G1) generates heat as an impact is applied, and the heat is transferred to the shell agent (G3) through the heat conduction spacer (G5), and the waterproofing agent (GS) through the shell agent (G3) It is possible to effectively suppress the formation of dew on the surface of the waterproofing agent (GS) by increasing the temperature.

Through this, there is an advantage in that it is possible to suppress the liquefaction of water vapor in the air itself to improve the waterproofness, and to suppress the freezing of dew on the surface of the bottom part 171 in cold weather such as winter (condensation suppression).

It goes without saying that the envelope material G3 may be restored to a reusable state by liquefying the impact heating agent G1 again by the impact heating agent G1 or heat applied from the outside. Various known techniques may be used for externally applying heat to the envelope (G3).

The present invention described above with reference to the accompanying drawings is capable of various modifications and changes by those skilled in the art, and such modifications and changes should be construed as being included in the scope of the present invention.

Processing equipment: 1 Feed rollers: 10
Cut: 11 Turn: 12
First terminal supply unit: 13a First crimping unit: 13b
Gripping part: 14 Second terminal supply part: 15a
Second crimping unit: 15b Discharging unit: 16
Load: 17 Bottom: 171
Shaft member: 172 Guide wall: 173
Passive roller: 18 Guide ring: 19
Fasteners: 2 Inspection devices: 3
Packaging container: 4 Vertical frame: F1
Horizontal frame: F2
Wire harness: 5 Wires: 51
Terminal: 52 Housing: 53
Connection member: a Winding roller: b

Claims (4)

A processing step of crimping the wire and the terminal using a processing device (S10);
an assembly step (S20) comprising the steps of installing a housing at the end of the wire (S21) and bundling a plurality of wires (S22);
an inspection step (S30) of applying a current to the wire harness manufactured in the assembling step (S20) through an inspection device and grasping energization; and
a packaging step of packaging the wire harness (S40);
including,
The processing step (S10) is,
Moving the electric wire in the horizontal direction by using the transfer roller of the processing device and moving it toward the cutting part of the processing device (S11);
Peeling off the cover of the electric wire by using the cutting portion (S12),
Moving the transfer roller through the turning part of the processing apparatus, and driving the transfer roller to move the electric wire to the first terminal supply side of the processing apparatus for supplying a terminal (S13);
Compressing the end of the electric wire and the terminal using the first crimping portion of the processing device (S14);
Moving the transfer roller through the turning part, and driving the transfer roller to transfer the electric wire to the gripper side of the processing device disposed on the rear end side than the cutting part (S15),
cutting the electric wire using the cutting part (S16);
Moving the cut wire using the gripper to the second terminal supply unit of the processing device for supplying the terminal (S17);
Compressing the end of the electric wire and the terminal using the second crimping part of the processing device (S18), and
and discharging the wire on which the terminal is pressed by using the gripping part to the discharge part of the processing apparatus (S19),
The processing device is
A bottom portion disposed on the tip side of the transfer roller, a shaft member protruding vertically from the bottom portion and inserted into the shaft hole of the take-up roller on which the electric wire is wound, and a guide wall extending upwardly around the bottom portion. loader,
A passive roller connected to a vertical frame provided on one side of the loading unit and disposed above the loading unit, and
It is connected to the vertical frame, is disposed between the loading part and the driven roller, and includes a guide ring through which the wire released from the winding roller passes,
The loading part includes a waterproofing agent (GS) and a condensation inhibitor (G) provided on the upper part of the bottom,
The waterproofing agent (GS) includes 10 parts by weight of urethane, and is provided on the upper part of the bottom part,
The anti-condensation agent (G),
an impact exothermic agent (G1) comprising 0.2 parts by weight of sodium acetate;
an endothelial agent (G2) containing 0.1 parts by weight of polyurea formed through interfacial polycondensation of tolylene diisocyanate and ethylenediamine, and enclosing the impact heat generating agent;
Envelope (G3) containing 0.3 parts by weight of sulfur-cured ethylene-propylene diene monomer (Ethylene Propylene Diene Rubber), surrounding the endothelial agent (G2), shrinking at a temperature of 5°C or less, and dispersed in the waterproofing agent (GS) );
a cationic agent (G4) comprising 0.2 parts by weight of a mixture of magnetite, polyacrylic acid, and polyoxyethylene, and provided on each of the outer and inner surfaces of the envelope (G3);
a thermal conductive spacer (G5) comprising 0.4 parts by weight of carbon fibers having an aspect ratio of 20 or more, and provided between the endothelial material (G2) and the outer covering material (G3);
A pressing agent (G6) containing 0.3 parts by weight of iron (fe), provided in a plurality at intervals on the inner surface of the sheathing agent (G3), and having a length shorter than the separation distance between the sheathing agent (G2) and the sheathing agent (G3) );
Wire harness manufacturing method comprising a. delete delete delete

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