JP2010254345A - Register mark controlling system of roll type automatic packaging machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a register mark controlling system of a roll type automatic packaging machine which keeps the cost low even when charged with a packaging film on which a register mark is not printed, and the content of controlling simple and easy. <P>SOLUTION: In the roll type automatic packaging machine, the register mark controlling system is carried, which performs a film conveying control and a lateral sealing position control so as to apply a lateral sealing at a predetermined position of the packaging film to form a predetermined packaging bag. This register mark controlling system, when a register mark for positioning is printed on the packaging film, detects this register mark to perform both the film conveying control and the lateral sealing position control. When the register mark for positioning is not printed on the packaging film, the system detects a timing mark added to a conveying roll to perform both the film conveying control and the lateral sealing position control. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a control system for making individual packaging bags based on register marks printed on a packaging film, and more particularly to register mark control in a roll type automatic packaging machine.

  The packaging film normally used for automatic filling and packaging machines is pre-printed with the contents to be displayed on the individual packaging bags, and the automatic filling and packaging machine controls the printed contents so that they are in place on the bags to be manufactured. There is a need to. For this reason, a register mark (hereinafter referred to as a registration mark) is printed on the packaging film together with the printing contents, and the automatic filling and packaging machine detects the registration mark, aligns the film, and causes a print misalignment. Not making up the correct individual packaging bags.

The following cited reference 1 describes such a registration mark control system.
FIG. 4 is a schematic explanatory view for explaining a registration mark control system in a conventional roll type automatic packaging machine, and FIG. 5 is an explanatory view showing a packaging film on which registration marks are printed. As shown in FIGS. 4 and 5, a roll roll automatic packaging machine is provided with a roll roll shaft, and a roll roll FH is detachably attached to the roll roll shaft. Further, a film feeding mechanism 101 and a film folding roll 102 are provided on the upper part of the main body of the roll type automatic packaging machine, and a vertical sealing mechanism 103, a first horizontal sealing mechanism 104, and a second are arranged on the front surface of the main body from above. A lateral sealing mechanism 105, an opening notch mechanism 106 for opening an opening notch in the side edge seal portion of the packaging film F, and a cutter mechanism 107 for cutting the lateral sealing portion of the completed continuous packaging bag are provided.

  The packaging film F is pulled out from the raw fabric roll FH by the film feeding mechanism 101, sent out to the film folding roll 102 through the guide roll, and turned vertically downward by the folding roll 102. The film F is folded in half along the longitudinal direction, and the folded end of the film is heat-sealed with a pair of vertical heat seal rolls facing each other by the vertical seal mechanism 103. The film F formed in a cylindrical shape by the vertical seal is heat-sealed in a horizontal direction by a pair of horizontal heat seal rolls facing the first horizontal seal mechanism 104, and a bottom portion serving as a packaging bag is formed by the horizontal seal. The The film F formed in a bottomed cylindrical shape is filled with contents made of a liquid such as sauce and soy sauce by a filling mechanism (not shown), and further the film F is sent to the first horizontal sealing mechanism 104 again. The bag mouth portion of the film F is heat-sealed in the horizontal direction by the horizontal heat seal roll, and the packaging bag is sealed.

  And the film F to which the said horizontal seal was given is pressed again by a pair of horizontal heat-seal roll of the 2nd horizontal seal mechanism 105, and the seal | sticker intensity | strength is aimed at. Next, an opening notch is formed by an opening notch forming mechanism 106 at an end edge portion of the side end seal portion of the packaging bag in which the above contents are enclosed, and the central portion of the continuous side seal of the continuous packaging bag is a cutter mechanism. By being cut by 107, an individual packaging bag is obtained.

  On the other hand, the roll type automatic wrapping machine includes a registration mark detection means 110 including a reflection type sensor for detecting registration marks 120 and 121 printed on the film F as shown in FIG. A control means 109 for performing overall operation control is provided. The control means 109 displays setting value input means for setting various specifications of the packaging bag to be manufactured, and the input specification status. Display means and notifying means for issuing alarm information such as a failure in the control operation (registration mark deviation, etc.) are provided.

  The control means 109 detects registration marks 120 and 121 as shown in FIG. 5 by the registration mark detection means 110, and based on the detection result, the film feeding mechanism 101, the vertical sealing mechanism 103, and two horizontal sealing mechanisms. The rotational speeds of 104 and 105 are controlled so that a transverse seal is applied to the cut portion of the display content of the bag printed on the packaging film.

As a result, the display content printed on the packaging film is arranged at a predetermined position on the completed individual packaging bag. By performing the film alignment in this way, correct individual packaging without printing misalignment is achieved. You can make a bag.

JP-A 63-26

  However, if a plain packaging film with no printed display itself or a pattern display unrelated to the film position is printed on the entire film, the film alignment itself is not necessary, so the registration mark is printed on the packaging film. There are no cases. The roll type automatic packaging machine equipped with such a packaging film requires additional hardware or software (such as a processing program) for determining the horizontal seal position inside the packaging machine, resulting in an increase in cost.

  The present invention was created in view of the problems related to registration mark control in the above-described conventional roll type automatic packaging machine, and has a new mechanism (hardware) even when a packaging film not printed with registration marks is attached. It is an object of the present invention to provide a registration mark control system for a roll type automatic packaging machine that is inexpensive and has a simple and simple control content.

  In order to achieve the above object, the roll type automatic packaging machine according to claim 1 of the present invention conveys the continuously transported packaging film by the feeding mechanism and the feeding roll, and folds it in two and overlaps both ends. A roll type automatic packaging machine that forms a continuous packaging bag by vertically sealing the contents and then filling the contents and filling the contents, and detaching the continuous packaging bags to produce individual packaging bags. The packaging machine is equipped with a registration mark control system that performs film conveyance control and lateral seal position control so as to form a predetermined packaging bag by laterally sealing a predetermined position of the packaging film, The registration mark control system detects the registration mark when the registration mark for alignment is printed on the packaging film, and the film If the registration mark for alignment is not printed on the packaging film, the film transport control and the lateral seal position control are performed by detecting the timing mark given to the feed roll. ing.

  According to the registration mark control system of the roll type automatic packaging machine according to claim 1 of the present invention, when the registration mark for alignment is not printed on the packaging film, the timing mark given to the feed roll By performing film conveyance control and lateral seal position control using a normal registration mark control system, it is possible to eliminate the need for a new registration mark control system.

  As described above, according to the registration mark control system of the roll type automatic packaging machine according to the present invention, a new registration mark control system becomes unnecessary, so that the system mounting cost is reduced and the control content is simple. An excellent effect of being easy can be achieved.

It is a front view which shows one structural example of the roll type automatic packaging machine which concerns on this invention. It is the front view which expanded and displayed the mechanism regarding film conveyance and registration mark control of the roll type automatic packaging machine which concerns on this invention. It is the side view which expanded and displayed the mechanism regarding the registration mark control which concerns on this invention. It is a schematic explanatory drawing for demonstrating the registration mark control system in the conventional roll type automatic packaging machine. It is explanatory drawing showing the packaging film on which the registration mark was printed.

  First, the whole structure of the roll type automatic packaging machine which concerns on this invention is demonstrated using FIG. FIG. 1 is a front view showing a configuration example of a roll type automatic packaging machine according to the present invention. As shown in FIG. 1, a reel is provided on the front right side of a roll type automatic packaging machine 1 (hereinafter abbreviated as automatic packaging machine 1). On this reel, an original fabric roll FH around which a packaging film is wound is held so as to be removable.

  Further, at the upper part of the automatic packaging machine 1, there are a film folding roll 2, a film folding mechanism 3 for folding the packaging film in the longitudinal direction, and a filling pipe 4 for feeding the contents into the folded packaging film.

  A vertical sealing device 5, a first horizontal sealing device 6, a second horizontal sealing device 7, a marking roll device 8, a notch cutter device 9, a horizontal cutter device 10, and a die cutting device 11 are arranged on the front surface of the automatic packaging machine 1 from above. ing. Further, on the right side of the automatic packaging machine 1, there are provided a control box 12 and an operation box 13 for performing operation control and operation instruction of the automatic packaging machine 1.

  Although not shown in FIG. 1, the vertical sealing device 5 is composed of two vertical sealing rolls, and what is indicated in FIG. 1 is a vertical sealing roll on the front side (moving side sealing roll). On the other hand, the vertical seal roll on the back side (back side of the paper) is provided in a state facing the front side vertical seal roll in the direction perpendicular to the paper surface, and is fixed to the automatic packaging machine 1 (fixed side seal roll).

  The horizontal sealing device is composed of a first horizontal sealing device 6 and a second horizontal sealing device 7, and these two horizontal sealing devices, like the vertical sealing device 5, are shown in FIG. These two horizontal seal rolls (moving side seal rolls) have two horizontal seal rolls in pairs on the back side (back side of the paper). These two lateral seal rolls on the back side are provided in a state facing each other in the direction perpendicular to the paper surface, and are fixed to the machine base of the automatic packaging machine 1 (fixed side seal roll).

  The packaging film is made of a transparent or translucent material, for example, a base film such as PET, or a heat seal film such as polyethylene having a melting point lower than that of the base film. The packaging film may have a three-layer structure of a base film, an intermediate film, and a heat seal film.

  The packaging film is drawn out from the original roll FH attached to the reel, and the drawn out packaging film F is passed over the folding roll 2 at the upper part of the automatic packaging machine 1 and sent to the film folding mechanism 3 immediately below. . The film folding mechanism 3 folds the packaging film in the longitudinal direction, and the folded packaging film FX is placed vertically while sandwiching the filling pipe 4 for feeding contents into the folded packaging film. A longitudinal seal is applied to both end portions of the packaging film which is sent to the sealing device 5 and folded in half, and the packaging film FX is formed in a cylindrical shape.

  The cylindrical packaging film FX is sealed in the lateral direction (width direction) of the packaging film by the lateral sealing roll of the first lateral sealing device 6, and the bottom of the packaging bag is formed by this lateral sealing. A filling pipe 4 is inserted into a packaging film FX formed in a bottomed cylindrical shape, and the contents are filled into the packaging bag through the filling pipe 4.

  Further, the horizontal sealing roll of the first horizontal sealing device 6 horizontally seals the opening side of the packaging film FX filled with the contents, thereby sealing the contents filled in the bottomed cylindrical packaging film. It becomes a packaging bag form. This packaging bag is sent to the horizontal sealing roll of the second horizontal sealing device 7 immediately below. The second lateral seal roll 7 forms a linear seal or the like for further laterally sealing the lateral seal portion formed by the first lateral seal device 6 to make the lateral seal portion more reliable.

  After that, various information composed of numbers or symbols is imprinted on the lateral seal portion of the continuous packaging bag produced by the engraving roll device 8, and the notch for opening the vertical seal portion is notched by the notch cutter device 9. Is formed by the perforation processing or cutting processing with respect to the central portion of the horizontal seal by the horizontal cutter device 10 to form an individual packaging bag, and the die cutting device 11 cuts off the excess portion of the individual packaging bag and forms a packaging bag of a predetermined shape. It is punched to become.

  The engraving roll device 8, the notch cutter device 9, the horizontal cutter device 10, and the die cut device 11 are configured to be arbitrarily selectable according to the form of the packaging bag made by the automatic packaging machine 1, and are automatically packaged. The unit is detachable from the main unit. By adopting such a configuration, it is possible to easily attach and detach each of the above devices, and to reduce the cost of additional installation work.

  2 is an enlarged front view of a mechanism relating to film conveyance and registration mark control of the roll type automatic packaging machine according to the present invention, and FIG. 3 is a side view illustrating an enlarged mechanism relating to registration mark control according to the present invention. It is. As shown in FIGS. 2 and 3, the film transport mechanism 20 of the automatic packaging machine 1 includes an original fabric roll FH held on a reel, a peeling roll 21, and four feeding rolls 22, 23, 24, 25. A film feed roll 26 and a registration mark detection sensor 30 are mounted.

  On the other hand, the feed roll 24 is provided with a timing mark 31, and a registration mark detection sensor 30 is disposed at a position facing the timing mark 31.

  And the packaging film F pulled out from the raw fabric roll FH is stretched over each roll as shown in the figure, and this packaging film F is irrelevant to the plain packaging film or the film position without the printed display itself. It is a packaging film in which a pattern display is printed on the entire film. Naturally, since no registration mark is printed on the packaging film, in the automatic packaging machine 1 on which such a packaging film is mounted, the registration mark arranged at the position opposed to the timing mark 31 given to the feed roll 24 is used. The mark detection sensor 30 detects the timing mark 31, and based on the detection timing, control is performed regarding the film conveyance speed and the position where the horizontal seal is applied.

  When a packaging film on which a registration mark is printed is attached to the automatic packaging machine 1, the registration mark detection sensor 30 is moved leftward from the position shown in FIG. 3 when setting various operations before starting operation. Change the installation so that it faces the registration mark on the wrapped packaging film. As a result, in the automatic packaging machine 1 equipped with the packaging film on which the registration mark is printed, the registration mark is detected by the registration mark detection sensor 30 arranged at the position opposite to the registration mark of the packaging film, and the detection timing is reached. Based on this, control is performed regarding the film conveyance speed and the position where the horizontal seal is applied.

  In other words, both when the packaging film not printed with the registration mark is attached and when the packaging film printed with the registration mark is attached, one register installed in the automatic packaging machine 1 is used. The mark control system makes it possible to control the film conveyance speed and the position where the horizontal seal is applied, and eliminates the need for mounting two types of registration mark control systems.

  Thus, in the registration mark control system of the roll type automatic packaging machine according to the present invention, when the register mark for alignment is not printed on the packaging film, the timing mark given to the feed roll By performing film transfer control and horizontal seal position control using a normal registration mark control system, a new registration mark control system is not required, resulting in low system installation costs and simple and easy control. A registration mark control system that can be provided can be provided.

  The embodiment of the present invention is an example for embodying the present invention, and has a corresponding relationship with the invention-specific matters in the claims, but is not limited thereto. Various modifications can be made without departing from the scope of the invention.

DESCRIPTION OF SYMBOLS 1 Roll type automatic packaging machine 2 Film folding roll 3 Film folding mechanism 4 Filling pipe 5 Vertical seal device 6 First horizontal seal device 7 Second horizontal seal device 8 Engraving roll device 9 Notch cutter device 10 Horizontal cutter device 11 Die cutting device 12 Control box 13 Operation box 20 Film transport mechanism 21 Peeling roll 22, 23, 24, 25 Feed roll 26 Film feed roll 30 Registration mark detection sensor 31 Timing mark

Claims (1)

While continuously transporting the packaging film by a feeding mechanism and a feed roll, it is vertically sealed with respect to both ends that are folded in two and then overlapped with the horizontal seal and the contents to form a continuous packaging bag, A roll type automatic packaging machine that separates this continuous packaging bag to produce individual packaging bags,
The roll type automatic wrapping machine is equipped with a register mark control system that performs film conveyance control and lateral seal position control so as to form a predetermined packaging bag by laterally sealing a predetermined position of the packaging film. Has been
When the register mark for registration is printed on the packaging film, the register mark control system detects the register mark and performs film conveyance control and lateral seal position control.
Roll type automatic packaging machine characterized in that when a register mark for alignment is not printed on the packaging film, a timing mark given to the feed roll is detected to perform film conveyance control and lateral seal position control .