JP2000109033A - Printing inspection device in packaging machine - Google Patents

Abstract

(57) [Abstract] [Problem] To automatically inspect required printing conditions such as a best-before date for each bag, and to take measures such as stopping production of a product using the bag with a bad printing. To provide a print inspection device that performs SOLUTION: A required printing state such as date of manufacture and expiration date applied to the bag is automatically photographed by a small surveillance camera, and the data signal is processed by an inspection control device to determine the quality of the printing on the bag. Determine. Information such as the quality of the printing can be displayed on a monitor and visually confirmed. By outputting a signal indicating the quality of the printing inspected by the inspection control device to the filling device and the sealing device in the subsequent process, it is possible to take appropriate measures in the event of a printing failure.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for inspecting a printing state such as a production date and a shelf life applied to a bag in a packaging machine.

[0002]

2. Description of the Related Art Heretofore, a bag before being filled with an article to be packaged has been printed by a thermal transfer system or a wire dot system printing device such as a date of manufacture and expiration date. However, even if the printing state is unclear or the printing contents are inaccurate, they are packed in a bag without inspecting every bag and shipped.

[0003]

In the case of a product in which the printing state applied to the above-described bag is unclear or the content of the printing is inaccurate, reasons such as inconvenience to the purchaser of the product or manufacturing. It is not preferable from the viewpoint of the product liability law of the trader.

SUMMARY OF THE INVENTION It is an object of the present invention to automatically inspect required printing conditions such as the expiration date for each bag, and to take measures such as stopping production of a product using the defective printing bag. To provide a print inspection device that performs

[0005]

In order to achieve the above object, according to the first aspect of the present invention, a plurality of grip pairs are intermittently stopped and moved at a plurality of stations while being suspended by the grip pairs. After applying the required printing such as date of manufacture and expiration date to the bag supported by the printing station using a printing device, filling the contents with the filling device at the filling station, and filling the bag mouth with the sealing device at the sealing station. In a packaging machine in which a seal is applied and then discharged outside the machine, a small surveillance camera for photographing a printed portion of a bag stopped at a print inspection station, illumination means for illuminating the printed portion, and the small surveillance camera The inspection control device which processes the data signal of the bag to determine the quality of the printing on the bag and outputs the determination signal of the quality to the filling device and the sealing device side. Characterized by comprising and.

According to another aspect of the present invention, there is provided a bag supported by a plurality of grip pairs in a suspended manner while the plurality of grip pairs are intermittently stopped and moved at each of a plurality of stations. At the printing station, the required printing, such as the date of manufacture and the expiration date, is performed by the printing device at the printing station.
After filling the contents with the filling device at the filling station, the sealing device seals the bag mouth with the sealing device at the sealing station and then discharges it outside the machine. A small surveillance camera for photographing, illuminating means for illuminating the printed portion, and processing the data signal from the small surveillance camera to determine the quality of the printing of the bag, and determining whether the quality of the bag is good or not by the filling device and It is characterized by comprising an inspection control device for outputting to the sealing device side, and a monitor for displaying information such as the quality of printing and a printed image via the inspection control device.

[0007]

According to the present invention, the required printing state, such as the date of manufacture and the expiration date, applied to the bag is automatically photographed by a small surveillance camera, and the data signal is processed by the inspection control device to print the bag. Is determined. Information such as the quality of the print and the print image is displayed on the monitor, so that it can be visually confirmed. In addition, deviations in the printing position, erroneous date insertion, and the like are also inspected by the inspection control device and displayed on the monitor. A signal indicating the quality of the printing inspected by the inspection control device is output to the filling device and the sealing device side in the post-process, so that a bag with a poor printing can be discharged outside the machine without filling and sealing the contents. It is possible to perform processing for discharging.

According to the printing inspection apparatus of this packaging machine, the required printing state such as the expiration date applied to the bags is automatically inspected for each bag to determine the quality of the printing, and the printing position deviation, date Inspection data such as incorrect insertion can be displayed and confirmed on the monitor. Further, with respect to a product using the bag with poor printing, it is possible to take measures such as stopping the production in a subsequent process. Therefore, there is an advantage that an unexpected situation such as inconvenience to the product purchaser due to printing defects such as the expiration date is avoided in advance.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory view showing an outline of a print inspection apparatus, FIG. 2 is a plan view showing a part of the print inspection apparatus,
FIG. 3 is a plan view of a rotary packaging machine to which the print inspection device is applied.

The print inspection apparatus M shown in FIG. 1 is installed in a print inspection station iii of a rotary packaging machine p as shown in FIG. This packing machine p is provided with a filling section I for contents.
And a gas filling and top seal portion II. The filling portion I of the contents includes a bag feeding station i, a printing station ii, a printing inspection (and bag opening) station iii,
It is composed of nine steps such as a filling station iv, an empty bag discharging station vi, and a temporary sticking / transferring station viii.

The stand 2 of the printing inspection apparatus M is fixed on the machine base 1 of the packaging machine p. The stand 2
A horizontal guide 3 extending in the horizontal direction is provided with a vertical guide 5.
The slide member 4 having the vertical direction is loosely fitted to be freely movable in the horizontal direction. Reference numeral 6 denotes a base provided with a slide member 7 loosely fitted to the vertical guide 5 and movable vertically.
The base 6 has a CCD camera 10 as a small monitoring camera for precisely photographing a required printed portion b such as a manufacturing date and a shelf life printed on the bag, and an illumination for illuminating the printed portion b from above and below. Strobes 11 and 12 as means are attached. A cover 13 covers the CCD camera 10 and the like.

Reference numeral 15 denotes an inspection control device for processing data signals from the CCD camera 10 to determine the quality of the printing and outputting a determination signal of the quality to a filling device and a sealing device in a subsequent process. is there. Reference numeral 20 denotes a monitor for displaying information such as print quality and a printed image on the screen via the inspection control device 15.

Reference numeral 25 denotes a mask device for pressing around the printed portion b of the bag a so as not to be blurred during the inspection.
The mounting plate 26 of the mask device 25 is
And a mask plate 28 is provided at the tip of a rod 27a of a small cylinder 27 attached to an attachment plate 26 thereof. Reference numeral 29 denotes a window hole formed in the mask plate 28, which is provided at a position corresponding to the print portion b. Further, a back plate 30 for supporting the back side of the bag a is provided as appropriate so as to face the mask plate 28. As described above, the print inspection device M used for the packaging machine is configured.

Next, the operation of the print inspection apparatus M will be described. When the bag a supported by the grip pair g stops at the print inspection station iii, first, the small cylinder 27 of the mask device 25 is operated, and the periphery of the print portion b such as the date of manufacture and the expiration date of the bag a is masked. Plate 28
Is held down by At the same time, strobe light is emitted from the strobes 11 and 12 to the printing portion b, and the printing state is automatically photographed by the CCD camera 10. The photographed data signal is transmitted to the inspection control device 1
5 to determine the quality of the printing on the bag. For information on the quality of the print, print image, etc.,
0 indicates visually. In addition, misalignment of printing position,
Incorrect date entry and the like are also inspected by the inspection control device 15 and displayed on the monitor 20. The deviation of the printing position can be visually confirmed, but in this case, the operator takes a measure to correct the print head of the printing device in the preceding process to an appropriate position. Further, the inspection control device 1
The judgment signal of the quality of the printed portion b inspected by 5 is output to the filling device and the sealing device in the post-process. Thus, it is possible to process a bag with poor printing so that the bag is discharged outside the machine without filling and sealing the contents.

As described above, the printing inspection device in this packaging machine automatically checks the required printing state such as the expiration date for each bag to determine the quality of the printing, and determines whether the printing position is incorrect or the date is incorrectly entered. Inspection data can be displayed and confirmed on a monitor, and appropriate measures can be taken in the event of printing failure.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing an outline of a print inspection apparatus.

FIG. 2 is a plan view showing a part of the print inspection apparatus.

FIG. 3 is a plan view of a rotary packaging machine to which the print inspection device is applied.

[Explanation of symbols]

p → Rotary packaging machine g → Grip pair a → bag b → printing part M → print inspection device 10 → CCD camera (small surveillance camera) 11,12 →
Strobe (lighting means) 15 → Inspection controller 20 → Monitor

Claims (2)

[Claims] 1. A manufacturing apparatus according to claim 1, wherein a plurality of grip pairs are intermittently stopped and moved at each of a plurality of stations, and a bag is supported by said grip pairs in a hanging manner. After the required printing such as is performed, the contents are filled by the filling device at the filling station, the bag mouth is sealed by the sealing device at the sealing station, and then discharged outside the machine. A small surveillance camera for photographing a print portion of the stopped bag, illuminating means for illuminating the print portion, and processing the data signal from the small surveillance camera to determine whether the print of the bag is good or not. A printing control device for a packaging machine, comprising: an inspection control device that outputs a determination signal to the filling device and the sealing device. 2. A manufacturing apparatus according to claim 1, wherein said plurality of grip pairs are intermittently stopped and moved at each of a plurality of stations. After the required printing such as is performed, the contents are filled by the filling device at the filling station, the bag mouth is sealed by the sealing device at the sealing station, and then discharged outside the machine. A small surveillance camera for photographing a print portion of the stopped bag, illuminating means for illuminating the print portion, and processing the data signal from the small surveillance camera to determine whether the print of the bag is good or not. An inspection control device that outputs a determination signal to the filling device and the sealing device side, and whether the printing is good or bad via the inspection control device.
A printing inspection apparatus for a packaging machine, comprising: a monitor for displaying information such as a printed image.