WO2020040337A1 - Apparatus for printing identification symbol on electric wire - Google Patents

Apparatus for printing identification symbol on electric wire Download PDF

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Publication number
WO2020040337A1
WO2020040337A1 PCT/KR2018/009934 KR2018009934W WO2020040337A1 WO 2020040337 A1 WO2020040337 A1 WO 2020040337A1 KR 2018009934 W KR2018009934 W KR 2018009934W WO 2020040337 A1 WO2020040337 A1 WO 2020040337A1
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WIPO (PCT)
Prior art keywords
printing
wire
electric wire
identification symbol
wires
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PCT/KR2018/009934
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French (fr)
Korean (ko)
Inventor
임다영
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임다영
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Publication of WO2020040337A1 publication Critical patent/WO2020040337A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/08—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces
    • B41F17/10—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of indefinite length, e.g. wires, hoses, tubes, yarns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor

Definitions

  • the present invention relates to an apparatus for printing identification codes of electric wires, and more particularly, to an apparatus for printing identification codes of electric wires capable of displaying various types of identification symbols on the surface of coated wires.
  • Wires that carry power and electrical signals are used in dozens or hundreds of different specifications in a variety of products, including automobiles. Although these wires are color-coded, they require a color-specific line in manufacturing, resulting in a cost burden, and many wires in use are not easily identified by color. As the number of wires required by the multifunctional trend of the product increases, the identification of the wires is important. In line with this, the process of printing various identification symbols on wires is also required.
  • Korean Patent Application Publication No. 0221772 (prior document 1)
  • Japanese Patent No. 6039391 (prior document 1) and the like are known.
  • Prior art 1 strips the cut wires by cutting each wire by size, insulation coating type, and color, and then performs terminal crimping, and inputs circuit information and BOM information to a device for controlling the crimp in advance, Mark the circuit number or separate identification number on the insulation coating of the wire or on the rear of the terminal before and after to prevent confusion when inserting the terminal into the connector housing.
  • Prior Art 2 is a coloring device for coloring the identification pattern at the cutting position of the wire;
  • a terminal crimping device which cuts to a predetermined length, peels both ends of the cut wire to expose the core wire, and crimps the terminal to the exposed core wire to make a terminal attachment wire;
  • a housing supply device for supplying a housing of a connector corresponding to a colored identification pattern on both ends of the terminal crimping wire made by the terminal crimping device; And the like.
  • Patent Document 1 Korean Utility Model Publication No. 0221772 "Automotive Wire Identification Printing Device” (published date: April 16, 2001)
  • Patent Document 2 Japanese Patent Publication No. 6039391 "Wire Harness Manufacturing System” (published date: 2016.12.07.)
  • An object of the present invention for improving the conventional problems as described above, it is possible to perform a quick and accurate display on the front and rear surfaces of the set area corresponding to the standard input to give the identification symbol to the wires mounted in the electrical wiring of various products
  • the present invention provides a device for printing identification codes of wires.
  • the present invention provides a device for printing an identification symbol on the surface of the wire: a main body having a gripper and a feeder for loading the wire; Reversing means including an inverter in each gripper for reversing the loaded wire; Printing means for printing an identification symbol set on an electric wire by using a print head mounted on a multi-axis motion machine; And control means for controlling the main body, the inversion means, and the printing means with a set algorithm.
  • the main body is characterized in that it further comprises a tensioner for tensioning the wire in the gripper on one side, a straightener to remove the bending during the transfer of the wire.
  • the inverting means is equipped with a step motor in each of the front half and the rear half, each step motor is characterized in that it comprises a hollow shaft for the passage of the wire.
  • the printing means is connected to the ink pipe to the print head via the main tank and the sub tank, characterized in that it comprises a level adjuster between the main tank and the sub tank.
  • control means is a color sensor for detecting the appearance of the wire, the distance sensor for detecting the distance between the wire and the print head. Characterized in that it comprises a vision inspector for checking the identification symbol of the wire.
  • FIG. 1 is a block diagram showing an apparatus according to the present invention as a whole
  • FIG. 2 is a block diagram showing the main parts of the apparatus according to the present invention.
  • FIG. 3 is a configuration diagram showing the rotation means in accordance with the present invention.
  • Figure 4 is a block diagram showing an exploded rotation means according to the present invention
  • FIG. 5 is a configuration diagram showing mainly the printing means according to the present invention
  • Figure 6 is a block diagram showing a connection state of the printing means according to the invention
  • the present invention proposes an apparatus for printing an identification symbol on the surface of an electric wire. Applicable to devices that give identification symbols such as symbols, numbers, figures, etc. on the surface of power and signal sheathed wires, but is not necessarily limited thereto.
  • the printing apparatus of the present invention may be associated with a separate device, such as the processing means 50 of FIG.
  • W1 shows the wire before it is printed
  • W2 shows the wire with the identification code printed
  • the main body 10 has a structure including a gripper 11 and 12 and a conveyer 14 for loading an electric wire.
  • the main body 10 forms a transfer path of the electric wire passing through the base of the upper surface in the wire hopper 18 on one side.
  • the grippers 11 and 12 and the conveyer 14 are mounted on the conveyance path of the main body 10.
  • a front gripper 11 is installed upstream of the feed path, and a rear gripper 12 is installed downstream.
  • the finger grippers 11 and 12 use a pneumatic cylinder as a driving source to mitigate the impact acted upon gripping an electric wire.
  • the conveyor 14 of the opposing roller structure is provided downstream of the rear gripper 12.
  • each gripper 11, 12 is preferably provided with a proximity sensor for detecting the presence or absence of wires.
  • the main body 10 further includes a tensioner 15 for tensioning the electric wire in one gripper 11, 12 on one side, and a straightener 16 for removing bending during the transport of the electric wire.
  • the tensioner 15 is illustrated in a state installed between the base of the main body 10 and the front gripper 11. Since the wires loaded on both grippers 11 and 12 by the conveyor 14 are somewhat loose, the front grippers 11 are moved upstream to give tension. 1 and 3, the straightener 16 is illustrated in a state installed on the downstream side of the conveyor 14 in the transfer path of the electric wire.
  • the straightener 16 is a structure in which a plurality of rollers are opposed to each other in a zigzag manner, and serves to evenly spread the curved wires during printing and unloading.
  • the reversing means 20 is provided with a reversing device 21, 22 in each of the grippers 11, 12 for reversing the loaded wire.
  • the inverting means 20 rotates by 180 ° after the upper surface of the loaded wire is printed to wait the lower surface upward. In this way, when the identification symbol is printed on the entire circumference of the wire, it is convenient for the workers in the field to reduce the airborne.
  • the front reverser 21 accommodates the front gripper 11 on the downstream side, and the rear reverser 22 receives the rear gripper 12 on the upstream side.
  • the inverters 21 and 22 may rotate the wires loaded by the respective grippers 11 and 12 at one time.
  • the inverting means 20 mounts the step motor 25 to the front and rear inverters 21 and 22, respectively, and each step motor 25 passes through the wires. It characterized in that it comprises a hollow shaft 24 for.
  • the step motor 25 is used for the inverters 21 and 22, a 180 degree angle of an electric wire and an arbitrary angle inversion are possible with a relatively simple structure.
  • the drive shaft of the stepper motor 25 is formed of the hollow shaft 24 and passed through the electric wire, the light and simple design of the inverters 21 and 22 is possible.
  • the front reverser 21 is mounted above the tensioner 15, and the front gripper 11 is mounted adjacent to the hollow shaft 24 of the front reverser 21.
  • the rear gripper 12 and the rear inverter 22 are also configured in the same manner except for the tensioner 15.
  • the printing means 30 is a structure for printing the identification symbol set on the wire by using the print head 35 mounted on the multi-axis motion machine.
  • the printing table 34 on which the print head 35 is mounted is mounted on the X-axis motion machine 31, the Y-axis motion machine 32, and the Z-axis motion machine 33.
  • the X-axis motion machine 31 causes movement of the print head 35 in the longitudinal direction of the loaded wire
  • the Y-axis motion machine 32 causes movement of the print head 35 in the width direction of the loaded wire.
  • the Z-axis motion machine 33 causes the print head 35 to move up and down in the vertical direction of the loaded wire.
  • the multi-axis motion machine of the printing means 30 further includes a rolling motion machine rotating around the X axis in addition to the X-axis motion machine 31, the Y-axis motion machine 32, and the Z-axis motion machine 33. You may. This is advantageous in maintaining print clarity by covering the height difference due to the upper surface curvature when the outer diameter of the wire is increased.
  • the printing means 30 is connected to the ink pipe to the print head 35 via the main tank 41 and the sub tank 43, the main tank 41 and the sub tank 43 It is characterized by including a level adjuster 46 in between. 2, 5, and 6, the main tank 41 is installed on the upper surface of the base of the main body 10, and the sub tank 43 is installed on the upper side of the print head 35 on the printing table 34.
  • the level adjuster 46 is installed on the side of the main body 10. Ink supplied from the main tank 41 reaches the level regulator 46 via the filter 42, and is sprayed from the level regulator 46 to the print head 35 via the sub tank 43 and the damper 44. do.
  • the print head 35 injects the ink of the sub tank 43 onto the upper surface of the wire in a piezoelectric manner.
  • the level adjuster 46 is installed to be able to adjust the height, it is preferably installed 2 ⁇ 3cm lower than the print head 35. If there is no height difference HD between the printhead 35 and the level adjuster 46, or ink reversal is likely to occur in the printhead 35. When ink buildup occurs in the print head 35, it is difficult to maintain the sharpness of printing.
  • the ink applied to the printing means 30 of the present invention uses the physical properties containing the photoinitiator so that the identifier applied to the coating of the wire is immediately dried.
  • the UV curing machine 38 disposed on both sides of the print head 35 is selectively operated in correspondence with the printing direction to induce drying of the applied identification symbol.
  • a heater and a temperature sensor may be installed on the outer surface of the sub tank 43 to reflect the configuration of maintaining the viscosity of the ink.
  • a storage 36 for sucking the remaining ink while storing the printhead 35 is shown, and a tray 48 for collecting excess ink dropped during the printing process of the loaded wire is shown.
  • the processing means 50 associated with the apparatus of the invention consists of a winder 52, a conveyor 54, a cutter 56, a processing machine 58 and the like.
  • the winding machine 52 is temporarily wound before printing is completed and the unloaded wire enters the cutter 56 and the processing machine 58 to compensate for the difference in working speeds on both sides.
  • the cutter 56 cuts the printed wire to a predetermined length and sends it to the conveyor 54.
  • the processing machine 58 peels off the cut wires and performs a process of joining the terminals.
  • control means 60 is a structure for controlling the main body 10, the inversion means 20, the printing means 30 by a set algorithm.
  • the control means 60 is based on the controller 62 equipped with a microprocessor, a memory and an input / output interface.
  • the controller 62 controls the main body 10, the inverting means 20, and the printing means 30 integrally / distributively.
  • a plurality of print heads 35 of the printing means 30 are configured and distributed control is performed by a separate local controller.
  • the local controller monitors the size of the ink drips, ink tail, straightness, and the like and sends relevant information to the controller 62.
  • the control means (60) is a color sensor (64) for detecting the appearance of the wire, the distance sensor (66) for detecting the distance between the wire and the print head (35). It characterized in that it comprises a vision inspector 68 for inspecting the identification symbol of the wire.
  • the color sensor 64 detects not only the end of the wire but also its thickness, printing position, and the like.
  • the distance sensor 66 detects the ejection distance of the ink using a laser or ultrasonic waves.
  • the vision inspector 68 detects all the image information related to the printing of the wire.
  • the gripper 11 When the operator initially installs the wires in the front gripper 11, the rear gripper 12, the conveyor 14, and starts operation by the controller 62, the gripper 11
  • the tensioner 15 is operated to keep the wire taut in the state in which the gripping wire is held by 12, and prints the identification symbol set at the position where the printhead 35 is set, and the inverters 21 and 22 are The printing of the print head 35 is performed again while the wires are turned upside down, and when the printing of the wires is completed, the conveyor 14 unloads the wires and at the same time a new loading is performed. Then, the wire enters the processing means 50 in a state where the bending is removed through the straightener 16.
  • the present invention is an ink jet printing method, it is possible to solve the inconvenience and inefficiency of using a large number of types of ink for each color in the contact printing method.

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  • Ink Jet (AREA)

Abstract

The present invention relates to an apparatus for printing an identification symbol on the surface of an electric wire, comprising: a main body (10) having grippers (11, 12) for loading an electric wire and a conveyer (14); an inverting means (20) having inverters (21, 22) in each of the grippers (11, 12) for inverting the loaded electric wire; a printing means (30) for printing an identification symbol set on the electric wire by using a printing head (35) mounted on a multiaxial motion machine; and a controlling means (60) for controlling the main body (10), the inverting means (20), and the printing means (30) with a set algorithm. Accordingly, as it is possible to reduce labor in the process of printing identification symbols on various electric wires having different specifications, the present invention has the effects of increasing productivity, and production and management efficiency of various products by expanding the range of color information of the electric wires.

Description

전선의 식별기호 인쇄장치Electric identification code printing device
본 발명은 전선의 식별기호 인쇄장치에 관한 것으로서, 보다 구체적으로는 피복된 전선의 표면에 식별용 기호를 다양한 형태로 표시할 수 있는 전선의 식별기호 인쇄장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for printing identification codes of electric wires, and more particularly, to an apparatus for printing identification codes of electric wires capable of displaying various types of identification symbols on the surface of coated wires.
자동차를 비롯한 다양한 제품에서 전력 및 전기 신호를 전달하는 전선은 수십 가지 또는 수백 가지의 각기 다른 규격으로 사용된다. 이러한 전선은 색상으로 구분하기도 하지만 제조에 있어서 색상별 라인이 소요되어 원가부담이 있을뿐더러 사용에 있어서 많은 전선을 색상만으로 식별하기 용이하지 않다. 제품의 다기능화 추세로 소요되는 전선이 많아질수록 전선의 식별력은 중요하다. 이에 발맞추어 전선에 다양한 식별기호를 인쇄하는 공정의 생력화도 요구된다.Wires that carry power and electrical signals are used in dozens or hundreds of different specifications in a variety of products, including automobiles. Although these wires are color-coded, they require a color-specific line in manufacturing, resulting in a cost burden, and many wires in use are not easily identified by color. As the number of wires required by the multifunctional trend of the product increases, the identification of the wires is important. In line with this, the process of printing various identification symbols on wires is also required.
이와 관련되어 참조할 수 있는 선행기술문헌으로서, 한국 등록실용신안공보 제0221772호(선행문헌 1), 일본 등록특허공보 제6039391호(선행문헌 1) 등이 알려져 있다.As the prior art documents which can be referred to in this regard, Korean Patent Application Publication No. 0221772 (prior document 1), Japanese Patent No. 6039391 (prior document 1) and the like are known.
선행문헌 1은 각 전선을 사이즈별, 절연피복종류별 및 색깔별로 절단하면서 절단된 전선을 스트립한 후 단자압착작업을 하고, 압착기를 제어하는 장치에 회로정보 및 BOM정보를 미리 입력하고, 압착작업의 전후에 전선의 절연피복부위 또는 단자 후면부위에 회로번호 또는 별도의 식별번호를 마킹하여, 커넥터 하우징에 단자를 삽입할 때 혼동을 일으키지 않도록 한다.Prior art 1 strips the cut wires by cutting each wire by size, insulation coating type, and color, and then performs terminal crimping, and inputs circuit information and BOM information to a device for controlling the crimp in advance, Mark the circuit number or separate identification number on the insulation coating of the wire or on the rear of the terminal before and after to prevent confusion when inserting the terminal into the connector housing.
선행문헌 2는 전선의 절단위치에 식별패턴을 착색하는 착색장치; 소정의 길이로 절단하고, 절단된 전선의 양끝을 박피시켜 심선을 노출시키고, 노출된 심선에 단자를 압착하여 단자부착전선을 만드는 단자압착장치; 단자압착장치에 의하여 만들어진 단자압착전선의 양단에 착색된 식별패턴에 대응되는 커넥터의 하우징을 공급하는 하우징 공급장치; 등을 포함한다.Prior Art 2 is a coloring device for coloring the identification pattern at the cutting position of the wire; A terminal crimping device which cuts to a predetermined length, peels both ends of the cut wire to expose the core wire, and crimps the terminal to the exposed core wire to make a terminal attachment wire; A housing supply device for supplying a housing of a connector corresponding to a colored identification pattern on both ends of the terminal crimping wire made by the terminal crimping device; And the like.
그러나, 상기한 선행문헌에 의하면 규격이 다르게 투입되는 무수한 전선에 대응하여 식별력을 부여하기 곤란하고, 식별기호가 전선의 정해진 영역에만 국한되어 사용자가 돌려가면서 식별하는 불편을 감수해야 한다.However, according to the above-mentioned prior document, it is difficult to give identification power in correspondence to a myriad of wires in which the standard is input differently, and the identification symbol is limited to a predetermined area of the wire, so that the user has to take the inconvenience of identifying while turning.
[특허문헌][Patent Documents]
(특허문헌 1) 한국 등록실용신안공보 제0221772호 "자동차용 전선 식별 인쇄 장치" (공개일자 : 2001.04.16.)(Patent Document 1) Korean Utility Model Publication No. 0221772 "Automotive Wire Identification Printing Device" (published date: April 16, 2001)
(특허문헌 2) 일본 등록특허공보 제6039391호 "와이어하네스 제조시스템" (공개일자 : 2016.12.07.)(Patent Document 2) Japanese Patent Publication No. 6039391 "Wire Harness Manufacturing System" (published date: 2016.12.07.)
상기와 같은 종래의 문제점들을 개선하기 위한 본 발명의 목적은, 다양한 제품의 전기배선으로 탑재되는 전선에 식별기호를 부여함에 투입되는 규격에 대응하여 설정된 영역의 전후면에 신속하고 정확한 표시를 수행할 수 있는 전선의 식별기호 인쇄장치를 제공하는 데 있다.An object of the present invention for improving the conventional problems as described above, it is possible to perform a quick and accurate display on the front and rear surfaces of the set area corresponding to the standard input to give the identification symbol to the wires mounted in the electrical wiring of various products The present invention provides a device for printing identification codes of wires.
상기 목적을 달성하기 위하여, 본 발명은 전선의 표면에 식별기호를 인쇄하는 장치에 있어서: 전선의 로딩을 위한 파지기와 이송기를 구비하는 본체; 로딩된 전선의 반전을 위해 각각의 파지기에 반전기를 구비하는 반전수단; 다축모션기에 탑재된 인쇄헤드를 이용하여 전선에 설정된 식별기호를 인쇄하는 인쇄수단; 및 상기 본체, 반전수단, 인쇄수단을 설정된 알고리즘으로 제어하는 제어수단;을 포함하여 이루어지는 것을 특징으로 한다.In order to achieve the above object, the present invention provides a device for printing an identification symbol on the surface of the wire: a main body having a gripper and a feeder for loading the wire; Reversing means including an inverter in each gripper for reversing the loaded wire; Printing means for printing an identification symbol set on an electric wire by using a print head mounted on a multi-axis motion machine; And control means for controlling the main body, the inversion means, and the printing means with a set algorithm.
본 발명의 세부 구성으로서, 상기 본체는 일측의 파지기에서 전선을 인장하는 인장기, 전선의 이송 중에 굴곡을 제거하는 직선기를 더 구비하는 것을 특징으로 한다.As a detailed configuration of the present invention, the main body is characterized in that it further comprises a tensioner for tensioning the wire in the gripper on one side, a straightener to remove the bending during the transfer of the wire.
본 발명의 세부 구성으로서, 상기 반전수단은 전방반전기와 후방반전기에 각각 스텝모터를 탑재하고, 각각의 스텝모터는 전선의 통과를 위한 중공축을 구비하는 것을 특징으로 한다.As a detailed configuration of the present invention, the inverting means is equipped with a step motor in each of the front half and the rear half, each step motor is characterized in that it comprises a hollow shaft for the passage of the wire.
본 발명의 세부 구성으로서, 상기 인쇄수단은 메인탱크와 서브탱크를 거쳐 인쇄헤드로 잉크배관을 연결하고, 메인탱크와 서브탱크 사이에 레벨조절기를 구비하는 것을 특징으로 한다.As a detailed configuration of the present invention, the printing means is connected to the ink pipe to the print head via the main tank and the sub tank, characterized in that it comprises a level adjuster between the main tank and the sub tank.
본 발명의 세부 구성으로서, 상기 제어수단은 전선의 외형을 검출하는 컬러센서, 전선과 인쇄헤드의 거리를 검출하는 거리센서. 전선의 식별기호를 검사하는 비전검사기를 구비하는 것을 특징으로 한다.As a detailed configuration of the invention, the control means is a color sensor for detecting the appearance of the wire, the distance sensor for detecting the distance between the wire and the print head. Characterized in that it comprises a vision inspector for checking the identification symbol of the wire.
이상과 같이 본 발명에 의하면, 규격이 다른 다양한 전선에 식별기호를 인쇄하는 공정을 생력화하여 생산성을 향상하는 동시에 전선의 색상 정보 범위를 확대하여 각종 제품의 생산 및 관리효율을 높이는 효과가 있다.As described above, according to the present invention, it is possible to increase the productivity and production efficiency of various products by increasing the range of color information of the wires by improving the productivity by printing the identification symbols on various wires having different specifications.
도 1은 본 발명에 따른 장치를 전체적으로 나타내는 구성도1 is a block diagram showing an apparatus according to the present invention as a whole
도 2는 본 발명에 따른 장치의 주요부를 나타내는 구성도2 is a block diagram showing the main parts of the apparatus according to the present invention.
도 3은 본 발명에 따른 회전수단을 중심으로 나타내는 구성도3 is a configuration diagram showing the rotation means in accordance with the present invention
도 4는 본 발명에 따른 회전수단을 분해하여 나타내는 구성도Figure 4 is a block diagram showing an exploded rotation means according to the present invention
도 5는 본 발명에 따른 인쇄수단을 중심으로 나타내는 구성도5 is a configuration diagram showing mainly the printing means according to the present invention
도 6은 본 발명에 따른 인쇄수단의 연결 상태를 나타내는 블록도Figure 6 is a block diagram showing a connection state of the printing means according to the invention
도 7은 본 발명에 따른 제어수단의 연결 상태를 나타내는 블록도7 is a block diagram showing the connection state of the control means according to the invention
이하, 첨부된 도면에 의거하여 본 발명의 실시예를 상세하게 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
본 발명은 전선의 표면에 식별기호를 인쇄하는 장치에 관하여 제안한다. 전력 및 신호용 피복 전선의 표면에 기호, 숫자, 도형 등의 식별기호를 부여하는 장치를 대상으로 하지만 반드시 이에 국한되는 것은 아니다. 본 발명의 인쇄장치는 식별기호가 인쇄된 전선을 탈피하고 단자를 결합하는 별도의 장치, 예컨대 도 1의 가공수단(50) 등과 연계될 수 있다.The present invention proposes an apparatus for printing an identification symbol on the surface of an electric wire. Applicable to devices that give identification symbols such as symbols, numbers, figures, etc. on the surface of power and signal sheathed wires, but is not necessarily limited thereto. The printing apparatus of the present invention may be associated with a separate device, such as the processing means 50 of FIG.
본 발명의 도 1, 도 3 등에서 W1은 인쇄되기 전의 전선을 나타내고, W2는 식별기호가 인쇄된 전선을 나타낸다.In FIG. 1, FIG. 3, etc. of this invention, W1 shows the wire before it is printed, and W2 shows the wire with the identification code printed.
본 발명에 따르면 본체(10)가 전선의 로딩을 위한 파지기(11)(12)와 이송기(14)를 구비하는 구조이다. 본체(10)는 일측의 전선호퍼(18)에서 상면의 베이스를 통과하는 전선의 이송경로를 형성한다. 파지기(11)(12)와 이송기(14)는 본체(10)의 이송경로 상에 장착된다. 이송경로의 상류에는 전방파지기(11)가 설치되고, 하류에는 후방파지기(12)가 설치된다. 핑거 구조의 파지기(11)(12)는 공압실린더를 구동원으로 하여 전선의 파지시 작용하는 충격을 완화한다. 대향하는 롤러 구조의 이송기(14)는 후방파지기(12)의 하류측에 설치된다. 이에, 전선은 전방파지기(11)와 후방파지기(12) 사이에 인쇄를 위해 로딩되고, 이송기(14)는 설정된 로딩 길이딘위로 전선의 반복적인 이송을 수행한다.According to the present invention, the main body 10 has a structure including a gripper 11 and 12 and a conveyer 14 for loading an electric wire. The main body 10 forms a transfer path of the electric wire passing through the base of the upper surface in the wire hopper 18 on one side. The grippers 11 and 12 and the conveyer 14 are mounted on the conveyance path of the main body 10. A front gripper 11 is installed upstream of the feed path, and a rear gripper 12 is installed downstream. The finger grippers 11 and 12 use a pneumatic cylinder as a driving source to mitigate the impact acted upon gripping an electric wire. The conveyor 14 of the opposing roller structure is provided downstream of the rear gripper 12. Thus, the wire is loaded for printing between the front gripper 11 and the rear gripper 12, and the conveyer 14 performs repetitive transfer of the wire over a set loading length.
한편, 각각의 파지기(11)(12)에는 전선의 유무를 검출하는 근접센서를 설치하는 것이 좋다.On the other hand, each gripper 11, 12 is preferably provided with a proximity sensor for detecting the presence or absence of wires.
본 발명의 세부 구성으로서, 상기 본체(10)는 일측의 파지기(11)(12)에서 전선을 인장하는 인장기(15), 전선의 이송 중에 굴곡을 제거하는 직선기(16)를 더 구비하는 것을 특징으로 한다. 도 1 내지 도 4를 참조하면, 인장기(15)는 본체(10)의 베이스 및 전방파지기(11) 사이에 설치된 상태로 예시된다. 이송기(14)에 의하여 양측 파지기(11)(12)에 로딩된 전선은 다소 느슨한 상태이므로 전방파지기(11)를 상류측으로 이동시켜 텐션을 부여한다. 도 1 및 도 3을 참조하면, 직선기(16)는 전선의 이송경로에서 이송기(14)의 하류측에 설치된 상태로 예시된다. 직선기(16)는 다수의 롤러를 지그재그로 대향시킨 구조로서, 인쇄 및 언로딩 과정에서 굴곡된 전선을 고르게 펴는 역할을 한다.As a detailed configuration of the present invention, the main body 10 further includes a tensioner 15 for tensioning the electric wire in one gripper 11, 12 on one side, and a straightener 16 for removing bending during the transport of the electric wire. Characterized in that. 1 to 4, the tensioner 15 is illustrated in a state installed between the base of the main body 10 and the front gripper 11. Since the wires loaded on both grippers 11 and 12 by the conveyor 14 are somewhat loose, the front grippers 11 are moved upstream to give tension. 1 and 3, the straightener 16 is illustrated in a state installed on the downstream side of the conveyor 14 in the transfer path of the electric wire. The straightener 16 is a structure in which a plurality of rollers are opposed to each other in a zigzag manner, and serves to evenly spread the curved wires during printing and unloading.
또한, 본 발명에 따르면, 반전수단(20)이 로딩된 전선의 반전을 위해 각각의 파지기(11)(12)에 반전기(21)(22)를 구비하는 구조이다. 반전수단(20)은 로딩된 전선의 상면이 인쇄된 후에 180˚로 회전시켜 하면을 상측으로 대기시킨다. 이와 같이 식별기호가 전선의 전둘레에 인쇄되는 경우 현장의 작업자가 식별하기 편리하여 공수절감을 도모한다. 전방반전기(21)는 하류측에 전방파지기(11)를 수용하고, 후방반전기(22)는 상류측에 후방파지기(12)를 수용한다. 이에, 반전기(21)(22)는 각각의 파지기(11)(12)에 의하여 로딩된 전선을 일시에 회전시킬 수 있다.In addition, according to the present invention, the reversing means 20 is provided with a reversing device 21, 22 in each of the grippers 11, 12 for reversing the loaded wire. The inverting means 20 rotates by 180 ° after the upper surface of the loaded wire is printed to wait the lower surface upward. In this way, when the identification symbol is printed on the entire circumference of the wire, it is convenient for the workers in the field to reduce the airborne. The front reverser 21 accommodates the front gripper 11 on the downstream side, and the rear reverser 22 receives the rear gripper 12 on the upstream side. Thus, the inverters 21 and 22 may rotate the wires loaded by the respective grippers 11 and 12 at one time.
본 발명의 세부 구성으로서, 상기 반전수단(20)은 전방반전기(21)와 후방반전기(22)에 각각 스텝모터(25)를 탑재하고, 각각의 스텝모터(25)는 전선의 통과를 위한 중공축(24)을 구비하는 것을 특징으로 한다. 반전기(21)(22)에 스텝모터(25)를 사용하면 비교적 간단한 구성으로 전선의 180˚는 물론 임의 각도 반전도 가능하다. 스텝모터(25)의 구동축을 중공축(24)으로 구성하여 전선을 통과시키면 반전기(21)(22)의 경박단소한 설계가 가능하다. 도 4를 참조하면, 인장기(15)의 상측에 전방반전기(21)가 탑재되고, 전방반전기(21)의 중공축(24)에 인접하여 전방파지기(11)가 탑재된다. 후방파지기(12)와 후방반전기(22)도 인장기(15)를 제외하고 동일한 방식으로 구성된다.As a detailed configuration of the present invention, the inverting means 20 mounts the step motor 25 to the front and rear inverters 21 and 22, respectively, and each step motor 25 passes through the wires. It characterized in that it comprises a hollow shaft 24 for. When the step motor 25 is used for the inverters 21 and 22, a 180 degree angle of an electric wire and an arbitrary angle inversion are possible with a relatively simple structure. When the drive shaft of the stepper motor 25 is formed of the hollow shaft 24 and passed through the electric wire, the light and simple design of the inverters 21 and 22 is possible. Referring to FIG. 4, the front reverser 21 is mounted above the tensioner 15, and the front gripper 11 is mounted adjacent to the hollow shaft 24 of the front reverser 21. The rear gripper 12 and the rear inverter 22 are also configured in the same manner except for the tensioner 15.
또한, 본 발명에 따르면, 인쇄수단(30)이 다축모션기에 탑재된 인쇄헤드(35)를 이용하여 전선에 설정된 식별기호를 인쇄하는 구조이다. 도 2에서 인쇄헤드(35)를 탑재한 인쇄대(34)가 X축모션기(31), Y축모션기(32), Z축모션기(33)에 장착된 상태를 예시한다. X축모션기(31)는 로딩된 전선의 길이 방향으로 인쇄헤드(35)의 이동을 유발하고, Y축모션기(32)는 로딩된 전선의 폭 방향으로 인쇄헤드(35)의 이동을 유발하고, Z축모션기(33)는 로딩된 전선의 상하방향으로 인쇄헤드(35)의 승강을 유발한다.In addition, according to the present invention, the printing means 30 is a structure for printing the identification symbol set on the wire by using the print head 35 mounted on the multi-axis motion machine. In FIG. 2, the printing table 34 on which the print head 35 is mounted is mounted on the X-axis motion machine 31, the Y-axis motion machine 32, and the Z-axis motion machine 33. The X-axis motion machine 31 causes movement of the print head 35 in the longitudinal direction of the loaded wire, and the Y-axis motion machine 32 causes movement of the print head 35 in the width direction of the loaded wire. Then, the Z-axis motion machine 33 causes the print head 35 to move up and down in the vertical direction of the loaded wire.
한편, 도시에는 생략하나 인쇄수단(30)의 다축모션기는 X축모션기(31), Y축모션기(32), Z축모션기(33) 외에 X축을 중심으로 회전하는 롤링모션기를 더 구비할 수도 있다. 이는 전선의 외경이 증가되는 경우 상면 곡률에 의한 높이차를 커버하여 인쇄 선명도 유지에 유리하다.Meanwhile, although not shown, the multi-axis motion machine of the printing means 30 further includes a rolling motion machine rotating around the X axis in addition to the X-axis motion machine 31, the Y-axis motion machine 32, and the Z-axis motion machine 33. You may. This is advantageous in maintaining print clarity by covering the height difference due to the upper surface curvature when the outer diameter of the wire is increased.
본 발명의 세부 구성으로서, 상기 인쇄수단(30)은 메인탱크(41)와 서브탱크(43)를 거쳐 인쇄헤드(35)로 잉크배관을 연결하고, 메인탱크(41)와 서브탱크(43) 사이에 레벨조절기(46)를 구비하는 것을 특징으로 한다. 도 2, 도 5, 도 6을 참조하면, 메인탱크(41)는 본체(10)의 베이스 상면에 설치되고, 서브탱크(43)는 인쇄대(34)에서 인쇄헤드(35)의 상측에 설치되고, 레벨조절기(46)는 본체(10)의 측면에 설치된다. 메인탱크(41)에서 공급되는 잉크는 필터(42)를 거쳐 레벨조절기(46)에 도달되고, 레벨조절기(46)에서 서브탱크(43)와 댐퍼(44)를 거쳐 인쇄헤드(35)로 분사된다. 인쇄헤드(35)는 압전소자 방식으로 서브탱크(43)의 잉크를 전선의 상면에 분사한다. 레벨조절기(46)는 높이 조절이 가능하게 설치되며, 인쇄헤드(35)보다 2~3cm 낮게 설치되는 것이 바람직하다. 인쇄헤드(35)와 레벨조절기(46)의 높이차(HD)가 없거나 역전되면 인쇄헤드(35)에 잉크 맺힘이 발생하기 쉽다. 인쇄헤드(35)의 잉크 액맺힘이 발생하면 인쇄의 선명도를 유지하기 곤란하다.As a detailed configuration of the present invention, the printing means 30 is connected to the ink pipe to the print head 35 via the main tank 41 and the sub tank 43, the main tank 41 and the sub tank 43 It is characterized by including a level adjuster 46 in between. 2, 5, and 6, the main tank 41 is installed on the upper surface of the base of the main body 10, and the sub tank 43 is installed on the upper side of the print head 35 on the printing table 34. The level adjuster 46 is installed on the side of the main body 10. Ink supplied from the main tank 41 reaches the level regulator 46 via the filter 42, and is sprayed from the level regulator 46 to the print head 35 via the sub tank 43 and the damper 44. do. The print head 35 injects the ink of the sub tank 43 onto the upper surface of the wire in a piezoelectric manner. The level adjuster 46 is installed to be able to adjust the height, it is preferably installed 2 ~ 3cm lower than the print head 35. If there is no height difference HD between the printhead 35 and the level adjuster 46, or ink reversal is likely to occur in the printhead 35. When ink buildup occurs in the print head 35, it is difficult to maintain the sharpness of printing.
이때, 본 발명의 인쇄수단(30)에 적용되는 잉크는 전선의 피복에 도포된 식별기호가 즉시 건조되도록 광개시제가 함유된 물성을 사용한다. 도 5에서 인쇄헤드(35)의 양측으로 배치된 UV경화기(38)는 인쇄 방향에 대응하여 선택적으로 가동되어 도포된 식별기호의 건조를 유도한다.At this time, the ink applied to the printing means 30 of the present invention uses the physical properties containing the photoinitiator so that the identifier applied to the coating of the wire is immediately dried. In FIG. 5, the UV curing machine 38 disposed on both sides of the print head 35 is selectively operated in correspondence with the printing direction to induce drying of the applied identification symbol.
도시에는 생략하나, 서브탱크(43)의 외면에 히터와 온도센서를 설치하여 잉크의 점도를 유지하는 구성도 반영할 수 있다.Although not shown in the drawings, a heater and a temperature sensor may be installed on the outer surface of the sub tank 43 to reflect the configuration of maintaining the viscosity of the ink.
도 2를 참조하면, 인쇄헤드(35)를 보관하면서 잔류하는 잉크를 흡인하는 보관대(36)가 도시되고, 로딩된 전선의 인쇄 과정에서 낙하되는 잉여 잉크를 수거하는 트레이(48)가 도시된다.Referring to FIG. 2, a storage 36 for sucking the remaining ink while storing the printhead 35 is shown, and a tray 48 for collecting excess ink dropped during the printing process of the loaded wire is shown.
본 발명의 장치와 연계되는 가공수단(50)은 권취기(52), 컨베이어(54), 절단기(56), 가공기(58) 등으로 구성된다. 권취기(52)는 인쇄가 완료되어 언로딩되는 전선이 절단기(56)과 가공기(58)로 진입하기 전에 일시적으로 권취하여 양측의 작업속도 차이를 보상한다. 절단기(56)는 인쇄가 완료된 전선을 설정된 길이로 절단하여 컨베이어(54)로 보낸다. 가공기(58)는 절단된 전선의 피복을 벗기고 단자를 결합하는 공정을 수행한다.The processing means 50 associated with the apparatus of the invention consists of a winder 52, a conveyor 54, a cutter 56, a processing machine 58 and the like. The winding machine 52 is temporarily wound before printing is completed and the unloaded wire enters the cutter 56 and the processing machine 58 to compensate for the difference in working speeds on both sides. The cutter 56 cuts the printed wire to a predetermined length and sends it to the conveyor 54. The processing machine 58 peels off the cut wires and performs a process of joining the terminals.
또한, 본 발명에 따르면, 제어수단(60)이 상기 본체(10), 반전수단(20), 인쇄수단(30)을 설정된 알고리즘으로 제어하는 구조이다. 제어수단(60)은 마이크로프로세서, 메모리, 입출력인터페이스를 탑재한 제어기(62)를 기반으로 한다. 제어기(62)는 본체(10), 반전수단(20), 인쇄수단(30)을 통합적/분산적으로 제어한다. 예를 들어, 인쇄수단(30)의 인쇄헤드(35)를 복수로 구성하고 별도의 로컬제어기로 분산적 제어를 수행한다. 로컬제어기는 잉크 드립의 크기, 잉크 꼬리, 직진성 등을 감시하며 상기 제어기(62)로 관련된 정보를 보낸다.In addition, according to the present invention, the control means 60 is a structure for controlling the main body 10, the inversion means 20, the printing means 30 by a set algorithm. The control means 60 is based on the controller 62 equipped with a microprocessor, a memory and an input / output interface. The controller 62 controls the main body 10, the inverting means 20, and the printing means 30 integrally / distributively. For example, a plurality of print heads 35 of the printing means 30 are configured and distributed control is performed by a separate local controller. The local controller monitors the size of the ink drips, ink tail, straightness, and the like and sends relevant information to the controller 62.
본 발명의 세부 구성으로서, 상기 제어수단(60)은 전선의 외형을 검출하는 컬러센서(64), 전선과 인쇄헤드(35)의 거리를 검출하는 거리센서(66). 전선의 식별기호를 검사하는 비전검사기(68)를 구비하는 것을 특징으로 한다. 컬러센서(64)는 전선의 단부는 물론 굵기, 인쇄위치 등을 검출한다. 거리센서(66)는 레이저나 초음파를 이용하여 잉크의 분사 거리를 검출한다. 비전검사기(68)는 전선의 인쇄와 관련된 제반 영상 정보를 검출한다.As a detailed configuration of the present invention, the control means (60) is a color sensor (64) for detecting the appearance of the wire, the distance sensor (66) for detecting the distance between the wire and the print head (35). It characterized in that it comprises a vision inspector 68 for inspecting the identification symbol of the wire. The color sensor 64 detects not only the end of the wire but also its thickness, printing position, and the like. The distance sensor 66 detects the ejection distance of the ink using a laser or ultrasonic waves. The vision inspector 68 detects all the image information related to the printing of the wire.
작동의 일예로서, 초기에 작업자가 전선을 전방파지기(11), 후방파지기(12), 이송기(14)에 장착한 후 제어기(62)에 의한 작동을 개시하면, 파지기(11)(12)가 전선을 파지한 상태에서 인장기(15)가 가동되어 전선을 팽팽하게 유지하고, 인쇄헤드(35)가 설정된 위치에 설정된 식별기호를 인쇄하고, 반전기(21)(22)가 전선을 뒤집은 상태에서 재차 인쇄헤드(35)의 인쇄가 수행되고, 전선의 인쇄가 완료되면 이송기(14)가 전선을 언로딩하는 동시에 새로운 로딩이 수행된다. 이후 전선은 직선기(16)를 통하여 굴곡이 제거된 상태로 가공수단(50)에 진입한다.As an example of operation, when the operator initially installs the wires in the front gripper 11, the rear gripper 12, the conveyor 14, and starts operation by the controller 62, the gripper 11 The tensioner 15 is operated to keep the wire taut in the state in which the gripping wire is held by 12, and prints the identification symbol set at the position where the printhead 35 is set, and the inverters 21 and 22 are The printing of the print head 35 is performed again while the wires are turned upside down, and when the printing of the wires is completed, the conveyor 14 unloads the wires and at the same time a new loading is performed. Then, the wire enters the processing means 50 in a state where the bending is removed through the straightener 16.
이와 같이 본 발명에 의하면 전선의 규격에 대응하여 원하는 영역에 기호, 숫자, 도형을 신속하고 정확하게 표현할 수 있다.As described above, according to the present invention, symbols, numbers, and figures can be quickly and accurately expressed in a desired area corresponding to the wire specification.
또한, 본 발명은 잉크 분사 인쇄방식이므로 접촉식 인쇄방식에서 색상별로 수많은 종류의 잉크 색을 사용하는 불편과 비효율성을 해소할 수 있다.In addition, since the present invention is an ink jet printing method, it is possible to solve the inconvenience and inefficiency of using a large number of types of ink for each color in the contact printing method.
본 발명은 기재된 실시예에 한정되는 것이 아니고, 본 발명의 사상 및 범위를 벗어나지 않고 다양하게 수정 및 변형할 수 있음이 이 기술의 분야에서 통상의 지식을 가진 자에게 자명하다. 따라서 그러한 변형예 또는 수정예들은 본 발명의 특허청구범위에 속한다 해야 할 것이다.It is apparent to those skilled in the art that the present invention is not limited to the described embodiments and that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations will have to belong to the claims of the present invention.

Claims (5)

  1. 전선의 표면에 식별기호를 인쇄하는 장치에 있어서:In a device that prints an identification symbol on the surface of a wire:
    전선의 로딩을 위한 파지기(11)(12)와 이송기(14)를 구비하는 본체(10);A main body (10) having a gripper (11) (12) and a conveyer (14) for loading wires;
    로딩된 전선의 반전을 위해 각각의 파지기(11)(12)에 반전기(21)(22)를 구비하는 반전수단(20);Inverting means (20) having inverters (21) and (22) in each gripper (11) (12) for inverting the loaded wire;
    다축모션기에 탑재된 인쇄헤드(35)를 이용하여 전선에 설정된 식별기호를 인쇄하는 인쇄수단(30); 및Printing means 30 for printing an identification symbol set on an electric wire by using a print head 35 mounted on a multi-axis motion machine; And
    상기 본체(10), 반전수단(20), 인쇄수단(30)을 설정된 알고리즘으로 제어하는 제어수단(60);을 포함하여 이루어지는 것을 특징으로 하는 전선의 식별기호 인쇄장치.And a control means (60) for controlling the main body (10), the inverting means (20), and the printing means (30) by a set algorithm.
  2. 청구항 1에 있어서,The method according to claim 1,
    상기 본체(10)는 일측의 파지기(11)(12)에서 전선을 인장하는 인장기(15), 전선의 이송 중에 굴곡을 제거하는 직선기(16)를 더 구비하는 것을 특징으로 하는 전선의 식별기호 인쇄장치.The main body 10 further includes a tensioner 15 for tensioning the electric wire in one of the grippers 11 and 12 on one side, and a straightener 16 for removing bending during the transport of the electric wire. Identification printing device.
  3. 청구항 1에 있어서,The method according to claim 1,
    상기 반전수단(20)은 전방반전기(21)와 후방반전기(22)에 각각 스텝모터(25)를 탑재하고, 각각의 스텝모터(25)는 전선의 통과를 위한 중공축(24)을 구비하는 것을 특징으로 하는 전선의 식별기호 인쇄장치.The reversing means 20 mounts the step motor 25 on the front and rear inverters 21 and 22 respectively, and each step motor 25 has a hollow shaft 24 for the passage of electric wires. Apparatus for printing the identification code of the electric wire, characterized in that provided.
  4. 청구항 1에 있어서,The method according to claim 1,
    상기 인쇄수단(30)은 메인탱크(41)와 서브탱크(43)를 거쳐 인쇄헤드(35)로 잉크배관을 연결하고, 메인탱크(41)와 서브탱크(43) 사이에 레벨조절기(46)를 구비하는 것을 특징으로 하는 전선의 식별기호 인쇄장치.The printing means 30 is connected to the ink pipe to the print head 35 via the main tank 41 and the sub tank 43, the level adjuster 46 between the main tank 41 and the sub tank 43 Identification symbol printing apparatus of the electric wire, characterized in that it comprises a.
  5. 청구항 1에 있어서,The method according to claim 1,
    상기 제어수단(60)은 전선의 외형을 검출하는 컬러센서(64), 전선과 인쇄헤드(35)의 거리를 검출하는 거리센서(66). 전선의 식별기호를 검사하는 비전검사기(68)를 구비하는 것을 특징으로 하는 전선의 식별기호 인쇄장치.The control means (60) is a color sensor (64) for detecting the appearance of the wire, the distance sensor (66) for detecting the distance between the wire and the print head (35). And a vision inspector (68) for inspecting the identification symbol of the electric wire.
PCT/KR2018/009934 2018-08-24 2018-08-29 Apparatus for printing identification symbol on electric wire WO2020040337A1 (en)

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JP2013052603A (en) * 2011-09-05 2013-03-21 Hitachi Cable Ltd Cable surface printer
KR20130078844A (en) * 2011-12-31 2013-07-10 (주)씨.아이.제이코리아 Apparatus for wire marking
JP5847488B2 (en) * 2011-08-19 2016-01-20 株式会社小寺電子製作所 Coloring equipment

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JPS6039391B2 (en) 1982-10-28 1985-09-05 松下電工株式会社 electric razor
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JP3102445B2 (en) * 1992-02-27 2000-10-23 矢崎総業株式会社 Terminal inversion method and inversion device
KR200383166Y1 (en) * 2005-01-28 2005-05-03 김태효 Cable automatic printing apparatus
JP5847488B2 (en) * 2011-08-19 2016-01-20 株式会社小寺電子製作所 Coloring equipment
JP2013052603A (en) * 2011-09-05 2013-03-21 Hitachi Cable Ltd Cable surface printer
KR20130078844A (en) * 2011-12-31 2013-07-10 (주)씨.아이.제이코리아 Apparatus for wire marking

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