JPH09161572A - Print supervisory monitor device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable stable monitoring by inserting a printed electric wire through the center of a frame body and supervising the position of an imaging part made movable in the 360 degree circumference direction by specifying the electric wire as the center. SOLUTION: A video camera 4 and stroboscope device 5 constituting an imaging part 21 is mounted in a cylinder shaped frame body 15, and an electric wire 11 printed by means of a printing device 3 is inserted through at the center of the frame body 15. A rack 15a is formed one side of the frame body 15, and a gear motor 16 in which a gear 16a fitted to this rack is provided at an output shaft is mounted on a frame 17. A roller 18 is set to the other frame body 15, a gear motor 16 is driven in normal rotation or back rotation, and the imaging part 21 moves and can image the entire circumference direction of the electric wire 11 passing through the center of the frame body 15 over 360 degrees. As a result, the display such as characters printed on the electric wire follows immediately, and an image of the printed part can be monitored certainly at a monitor part 20 by means of the video camera 4 of the imaging part 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monitoring device for monitoring the printing status of a printing device for printing on an insulating coating of an electric wire.

[0002]

2. Description of the Related Art The construction of a general electric wire extrusion line will be described with reference to the drawings. FIG. 3 is a schematic explanatory view showing the structure of the extrusion line. That is, the stranded wire conductor 14 delivered from the drum of the delivery machine 1 is covered with an insulator by the extruder 2 to continuously produce the electric wire 11. Next, it is sent to the position of the printing device 3 and gravure printing is immediately performed on the insulator of the electric wire 11. Then, the electric wire 11 is cooled at the position of the water tank 6.
Is taken up by the take-up capstan 7 and is taken up by the winder 8
Is wound up on a drum.

FIG. 4 is an enlarged view showing the details of the printing device 3 and the print monitor device portion of FIG. That is, the electric wire 11 flows in the direction of the arrow, and the pressing roller 13 and the printing roller 1
Marks, types, etc. are printed on the insulator of the electric wire 11 between the two. Video camera 4 placed on the downstream side
The imaging unit 21 of the monitoring device 20 including the flash device 5 and the flash device 5 is arranged, and the printing unit of the electric wire 11 is the VT which is the monitoring device 20.
The data is recorded in the R device 10 and is also monitored by the monitor TV 9.

As described above, the image pickup unit 21 of the print monitor device 20 is installed immediately adjacent to the printing machine 3 and the image of the print portion on the surface of the electric wire 11 illuminated by the illumination light obtained by the light emission of the strobe device 5 is video. The signal from the camera 4 was displayed on the monitor TV 9, recorded on the VTR and inspected.

[0005]

The image pickup section 21 of the conventional print monitor device 20 in such an extrusion line is as follows.
The electric wire 11 was monitored only from one direction. However, the characters printed on the insulator of the electric wire 11 are rotated by coming into contact with the twisted pattern of the stranded wire conductor 14 or the pulley after the printing device 3, and the printing position is diversified in the circumferential direction. Is changing. Therefore, immediately after the printing device 3, the imaging unit 21 of the print monitor device 20 has to be arranged at a fixed printing position. However, when the image pickup unit 21 is arranged at a position close to the printing apparatus 3, the TV camera 4 and the strobe device 5 are easily contaminated due to splashes of printing ink or the like, and the monitor cannot be performed easily. In addition, the installation position was limited, making it difficult to place. further,
Since the printing device uses solvent etc., T
The V camera 4 and the strobe device 5 had to be formed in an explosion-proof type.

The present invention has been made in view of the above circumstances, and is a device capable of print monitoring even after the image pickup section of the monitoring device is arranged at a position distant from the printing device after the electric wire is printed by the printing device. It is therefore an object of the present invention to provide a print monitoring monitor device which is free from ink contamination and can perform a stable print monitor, and which does not need to be an explosion-proof type for safety reasons.

[0007]

According to the present invention, in a printing line for printing simultaneously with extrusion coating of electric wires, a strobe and a video camera of an image pickup section for confirming the printing condition are attached to a cylindrical frame body, An electric wire printed by a printing device is inserted in the center of the frame body, and the position of the image pickup unit is configured to be movable in the circumferential direction of 360 degrees around the electric wire and is monitored. . The frame body is provided on rollers and gears, and is rotated in forward and reverse directions by the gears attached to the output shaft of the gear motor.

[0008] Printing of electric wire By making the electric wire for monitoring the image pickup unit composed of a monitor video camera and a strobe device circumferentially movable, it is possible to print a mark or indication at any position of the electric wire. The video camera and the strobe device can be moved to that position, and the printing section can be reliably monitored.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing the configuration of the image pickup unit 21 of the print monitor device 20, and FIG. 2 is a front view. That is, the video camera 4 and the strobe device 5 that form the imaging unit 21 are mounted in the cylindrical frame 15. A rack 15a is formed on the surface of one of the frames 15. A gear motor 16 having an output shaft provided with a gear 16a that engages with the rack 15a is attached to the machine frame 17, and a roller 18 is provided on the other frame 15. Therefore, the image pickup unit 21 attached to the frame body 15 by driving the gear motor 16 in the forward or reverse direction.
Is the total circumferential direction of the electric wire 11 passing through the center of the frame 13
It is possible to move over 0 degrees and take an image.

Therefore, the display of characters or the like printed on the electric wire can be immediately followed even if the twisting of the electric wire 11 based on the twisted wire conductor or the rotation caused by the contact by the pulley or the like is performed. The video camera 21 of 21 can reliably transmit the image of the printing unit to the monitor unit 20 and monitor it. Further, the image pickup unit 21 can be imaged not only immediately after the printing apparatus 3 but also at a position apart from the printing apparatus 3, so that the degree of freedom in installation can be increased, and ink stains and explosion protection are not required.

[0011]

As described above, according to the printing monitor device of the present invention, it is possible to monitor the printed portion of the electric wire at a position distant from the printing device of the electric wire production line, and there is no stain due to the printing ink. Also, an inexpensive device can be used.

[Brief description of the drawings]

FIG. 1 is a side view illustrating a configuration of an image pickup unit of a print monitoring monitor apparatus according to an embodiment,

FIG. 2 is a front view of FIG.

FIG. 3 is a side view showing the configuration of a general electric wire extrusion line;

FIG. 4 is a side view showing a main part of a conventional printing apparatus.

[Explanation of Codes] 1 Feeder 2 Extruder 3 Printing device 4 Video camera 5 Strobe device 6 Water tank 7 Take-up capstan 8 Winder 9 Monitor TV 10 VTR 11 Electric wire 12 Printing roll 13 Pressing roller 14 Stranded conductor 15 Frame body 15a rack 16 gear motor 16a gear 17 machine frame 18 roller

Claims (2)

[Claims] 1. In a printing line where printing is performed at the same time as extrusion coating of electric wires, a strobe and a video camera of an image pickup unit for confirming a printing state are attached to a cylindrical frame body, and a printing device is provided at the center of the frame body. A print monitoring monitor device characterized in that the electric wire printed in (1) is inserted, and the position of the image pickup unit is configured to be movable in the circumferential direction of 360 degrees around the electric wire and is monitored. 2. The print monitoring device according to claim 1, wherein the frame is provided on a roller and a gear, and is rotated in the forward and reverse directions by the gear attached to the output shaft of the gear motor.