JPH05318625A - Sheet processing method and device in corrugated fibreboard box making machine - Google Patents

Abstract

PURPOSE:To perform a special sheet processing, provide a long slot on a thick sheet, provide a slot or a crease on an intermediate position, etc., and conduct creasing twice by independently providing a creaser unit or a slotter unit. CONSTITUTION:An independent slotter unit 43 arbitrarily slots a corrugated fibreboard sheet 1 fed from a creaser and slotter unit 42. In a creaser and slotter part 4 of a corrugated fibreboard box making machine, an independent creaser unit 41, the creaser and slotter unit 42, and the independent slotter unit 43 are provided in this order from the upstream. In a sheet processing method, the following sheets can be obtained by special processing using a plurality of creasers and slotters in combination: a sheet for a corrugated fibreboard box with long flaps, a sheet for a corrugated fibreboard box with a number of slots, and a sheet for a corrugated fibreboard box to have laterally unsymmetrical ruled lines or slots.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet processing method for a corrugated board making machine and an apparatus therefor, and in particular, by providing a creaser unit or a slotter unit separately from the creaser slotter unit in the corrugated board making machine. Long slotters are applied to special sheet processing and thick sheets, and slotters at intermediate positions.
The present invention relates to a sheet processing method and a device for a corrugated board making machine capable of performing a crease and a crease twice.

[0002]

2. Description of the Related Art A corrugated board making machine, for example, as shown in FIG.
A printing unit 3 that prints on the corrugated board sheet 1, and a creaser unit 41 that lines the corrugated board sheet 1 with a creaser die.
And a slotter section 43 for making a notch and a sending section 5. Conveyor line L for corrugated board sheet 1
Conveying rollers 6 and 7 are appropriately provided above and below.

Then, the corrugated cardboard sheets 1 on which the kickers 2a of the sheet supply unit 2 are stacked are fed to the printing unit 3 from the lowest one. In the printing unit 3, the cardboard sheet 1 that has been fed is printed in a predetermined color and then fed to the creaser unit 4. In the creaser unit 4, the folding line is subjected to ruled line processing by the rotation of the pair of upper and lower creasers 41a and 41b, and then fed to the slotter unit 43.

In the slotter section 43, a pair of upper and lower rotary blades 4
By the rotation of 3a and 43b, necessary cuts are made as a packaging box, and the blank 100 as shown in FIG. In the sending-out section 5, a pair of upper and lower transfer conveyors 5a and 5b sends out to a stacker or the like.
In addition, on the corrugated paperboard sheet conveying line L, conveying rollers 6 and 7 are appropriately provided in opposition. In the blank 100 shown in FIG. 11, 100 L is a length surface, 100 W is a width surface,
100F is an outer flap, 100f is an inner flap,
100J is a seam allowance, 100S is a slot grooved at 5 parts of the slotter, 100C is a ruled line processed by the creaser part 4, and 100D is a ruled line processed by a scorer (not shown).

[0005]

In recent years, with the diversification of products to be packaged, a box with a long flap, a box with many slots, a box with asymmetrical ruled lines or kerfs, etc. is required. It became so. However, in the processing of the creaser portion and the slot portion as shown in FIG. 10, there are limits to the peripheral lengths of the creaser die and the rotary blade, and the corrugated box with a long flap, the corrugated box with many slots, and the ruled line processing and cutting that are not symmetrical. Grooving was not possible.

According to the present invention, sheet processing for a corrugated box with a long flap, sheet processing for a corrugated box with many slots, ruled line processing that does not have bilateral symmetry, kerf processing, and the like can be performed even on one line of a scissor making machine. An object of the present invention is to provide a sheet processing method for a corrugated cardboard machine that can be processed and an apparatus therefor.

[0007]

In order to achieve the above object, in the present invention, a sheet supplying step of supplying a corrugated cardboard sheet, a printing step of performing a predetermined printing on the supplied corrugated cardboard sheet, In a sheet processing method for a corrugated board making machine, which sequentially performs a creasing slotter process for performing crease processing and kerf processing on the corrugated board sheet 1, a corrugated board with a special shape is formed by performing crease processing and kerf processing multiple times in the creaser slotter process. It is a sheet processing method for a corrugated board making machine, which is capable of processing a corrugated board sheet for a corrugated board box for a box or a thick corrugated board.

Further, a sheet supply section for supplying a corrugated board sheet, a printing section for performing a predetermined printing on the supplied corrugated board sheet, and a creaser slotter section for performing ruled line processing and kerf processing on the printed corrugated board sheet, In the sheet processing device of the corrugated board making machine that is performed sequentially, in the creaser slotter section, the creaser unit, the creaser slotter unit, and the slotter unit are arranged in this order from the upstream side. The sheet processing apparatus of the corrugated board making machine is characterized by enabling the processing of corrugated cardboard sheets.

[0009]

[Operation] In the corrugated board making machine shown in FIG. 1, the kicker 22 of the sheet supply unit 2 stacks the corrugated cardboard sheets 1 stacked on the sheet supply base 21 from the bottom to the printing unit 3
Is fed to. In the printing unit 3, each of the first printing unit 31, the second printing unit 32, the third printing unit 33, and the fourth printing unit 34 prints a predetermined four colors on the fed cardboard sheet 1. After printing with coloring, the paper is fed to the creaser slotter unit 4.

In the creaser / slotter section 4, first, an independent creaser unit 41 performs arbitrary ruled line processing, and the creaser / slotter unit 42 feeds the sheet. In the creaser slotter unit 42, the corrugated cardboard sheet 1 on which arbitrary ruled lines have been processed is subjected to predetermined ruled lines and kerfs, and then fed to a single slotter unit 43. In the single slotter unit 43, the corrugated cardboard sheet 1 that has been fed is subjected to arbitrary kerf processing, and is sent out as a blank of a special corrugated cardboard box.
Sent to others.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a sheet processing method for a corrugated board making machine and an apparatus therefor according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is a schematic explanatory view showing an example of a sheet processing apparatus of a corrugated board making machine according to the present invention.

In FIG. 1, the corrugated board scissoring machine comprises a sheet supply section 2 for supplying a corrugated board sheet, a printing section 3 for printing on the corrugated board sheet 1, and a creaser / slotter section for scoring or notching the corrugated board sheet 1. 4 and a sending unit 5. An appropriate number of transport rollers 6 and 7 are arranged above and below the transport line L for the corrugated board sheet 1.

Sheet supply unit 2 in the corrugated board making machine
The cardboard sheets 1 are stacked orderly on the sheet supply table 21, and the kicker 22 feeds the corrugated cardboard sheets 1 from the bottom of the stacked cardboard sheets 1 to the printing unit 3.
The printing unit 3 supplied with the corrugated cardboard sheet 1 from the sheet supply unit 2 prints the corrugated cardboard sheet 1 in a predetermined color with a product name, a trademark, various designs, a manufacturer, a distributor, a breakdown, a handling specification, and the like. In the embodiment, the first printing unit 31, the second printing unit 32, the third printing unit 33, and the fourth printing unit 34 are arranged side by side, and four colors can be colored.
The corrugated cardboard sheet 1 thus fed is printed in a predetermined color and then fed to the creaser slotter unit 4.

The creaser / slotter section 4 to which the corrugated paperboard sheet 1 on which a predetermined printing has been applied is fed is composed of an independent creaser unit 41, a creaser / slotter unit 42 and an independent slotter unit 43. The independent creaser unit 41 performs an arbitrary ruled line processing on the corrugated cardboard sheet 1 fed from the printing unit 3 by the creaser die. The creaser slotter unit 42 is used for the corrugated cardboard sheet 1 sent from the creaser unit 41.
Prescribed ruled line processing and kerf processing are applied to ‘.

The single slotter unit 43 performs arbitrary kerf processing on the corrugated board sheet 1 fed from the creaser slotter unit 42. The creaser slotter section 4 of the above corrugated cardboard machine is arranged from the upstream in the order of the single creaser unit 41, the creaser slotter unit 42 and the single slotter unit 43. In the sheet processing method of the corrugated cardboard machine, Special processing such as a sheet for a cardboard box with a long clap, a sheet for a cardboard box with many slots, a sheet for a cardboard box that is not symmetrically processed with creases and kerfs is made by combining multiple creasers and slotters be able to.

In the sheet processing apparatus of the scissor making machine having the above-mentioned creaser slotter 4, a corrugated box with a long flap, a corrugated box with a lot of slots, a corrugated box with asymmetrical ruled lines and kerfs. The sheet processing for making the blank is performed as follows.

FIG. 2 (A) is a layout view of each part in four parts of the creaser slotter for the first embodiment of the sheet processing method of the corrugated board making machine according to the present invention. Figure 2 (B)
Is a blank 101 for a corrugated cardboard box manufactured by (A). In the first embodiment shown in FIGS. 2A and 2B, the crease processing and kerf processing of a thick corrugated cardboard sheet such as a triple wall is performed by the normal creaser slotter 4.
In addition to 2, the creaser unit 41 is arranged on the same line. Then, ruled lines are processed twice at the same place. As described above, by processing the same portion twice with the creaser, it is possible to reliably perform ruled line processing even on a thick corrugated cardboard sheet. In the blank 101 shown in FIG.
L is a length surface, 101W is a width surface, 101F is an outer flap,
101f is an inner flap, 101J is a joint margin, 10
1S is a slotter 42 (b) or a slot that has been grooved in 43 parts, 101C is a creaser part 41 or 42
The ruled line processed in (a), and 101D is the ruled line processed by a corrugator scorer (not shown).

FIG. 3 (A) is a layout view of each part in the creaser slotter part for the second embodiment of the sheet processing method for the corrugated board making machine according to the present invention. FIG. 3 (B) shows
Blank 1 for a cardboard box manufactured by the (A)
02. The second embodiment shown in FIGS. 3A and 3B is
In order to perform the intermediate kerf processing on the widths 102f and 102f of the long flaps 102 on both sides, the usual creaser slotter 42 is used.
Besides, a slotter unit 43 and a creaser 41 are arranged. Then, a kerf having a kerf length that is not sufficient is processed by the creaser slotter 42 having a limited circumferential length. Figure 3
In the blank 102 shown in (B), 102L is a length surface, 102W is a width surface, 102F is an outer flap, and 102f.
Is an inner flap, 102J is a seam allowance, 102S is a slot slot 42 (b) or a slot which has been subjected to grooving at 43 parts, 102C is a ruled line processed at the creaser part 42 (a) or 41, and 102D is a ruled line processed by a corrugator scorer (not shown).

FIG. 4 (A) is a layout view of each part in the creaser slotter part for the third embodiment of the sheet processing method for the corrugated board making machine according to the present invention. FIG. 4 (B) shows
It is a blank for a corrugated cardboard box manufactured by (A). In the third embodiment shown in FIGS. 4 (A) and 4 (B), one of the flaps 103F and 103f is longer, and a kerf is formed in the middle of the width component of the long flap. Since such kerf processing is performed, the slot unit 43a and the creaser 41b are arranged in two stages in addition to the creeper slotter unit 42, and the long kerf 1
It is subjected to kerf processing of 03M. In the blank 103 shown in FIG. 4B, 103L is a length surface, 10
3W is a width surface, 103F is an outer flap, 103f is an inner flap, 103J is a joint margin, and 103S is a slotter 4.
2 (b) and 43 slotted slots,
103C is a ruled line processed by the creaser 41 or 42 (a), and 103D is a ruled line processed by a corrugator scorer (not shown).

FIG. 5 (A) is a layout view of each part in four parts of the creaser slotter for the fourth embodiment of the sheet processing apparatus for the corrugated board making machine according to the present invention. FIG. 5 (B)
Is a blank 104 for a corrugated cardboard box manufactured by (A). In the fourth embodiment shown in FIGS. 5A and 5B, a creaser unit 41 is arranged on the same line in addition to the usual creaser slotter 42 for ruled line processing of a thick corrugated cardboard sheet such as triple wall. Then, ruled lines are processed twice at the same place. Thus, by processing the same portion twice with the creaser and the ordinary slotter, it becomes possible to perform reliable ruled line processing even on a thick corrugated cardboard sheet. .. In the blank 104 shown in FIG.
Reference numeral 04L is a length surface, 104W is a width surface, 104F is an outer flap, 104f is an inner flap, 104S is a slotter 42 (b) and a slot grooved in 43 parts, and 104C is a creaser part 41 or 42 (a). ) Is a ruled line and 104D is a ruled line processed by a corrugator scorer (not shown).

FIG. 6 (A) is a layout view of each part in four parts of the creaser slotter for the fifth embodiment of the sheet processing apparatus of the corrugated board making machine according to the present invention. FIG. 6 (B)
Is a blank 105 for a corrugated cardboard box manufactured by (A). In the fifth embodiment shown in FIGS. 6A and 6B, a thick corrugated cardboard sheet such as triple wall is used for crease processing and kerf processing with a small number of surfaces on the same line in addition to the ordinary creaser slotter 42. The creaser unit 41 is arranged. Then, ruled lines are processed twice at the same place. As described above, by processing the same portion twice with the creaser, it is possible to reliably perform ruled line processing even on a thick corrugated cardboard sheet. .. In the blank 105 shown in FIG. 6B, 105L is a length surface, 105W is a width surface, and 105F.
Is an outer flap, 105f is an inner flap, and 105S
Is a slot slotted in slotters 42 (b) and 43, and 105C is a creaser portion 41 or 42.
The ruled lines processed in (a), and 105D are the ruled lines processed by a corrugator scorer (not shown).

FIG. 7 (A) is a layout view of each part in four parts of the creaser slotter for the sixth embodiment of the sheet processing apparatus for the corrugated board making machine according to the present invention. FIG. 7 (B)
Is a blank 106 for a corrugated cardboard box manufactured by (A). In the sixth example shown in FIGS. 7A and 7B, in addition to the usual creaser slotter 42, the crease processing and kerf processing of a blank corrugated cardboard sheet having many surfaces are performed.
The creaser unit 41 and the slotter unit 43 are arranged on the same line. Then, ruled line processing and kerf processing are performed on a portion that cannot be processed by the slotter unit 43. Figure 7
In the blank 106 shown in (B), 106L is a length surface, 106W is a width surface, 106F is an outer flap, and 106f.
Is an inner flap, 106S is a slotted slotter in slots 42 (b) and 43, and 106C is a ruled line processed in the creaser portion 41 or 42 (a), and 106D is a corrugator not shown. It is a ruled line processed by a scorer.

FIG. 8A is a layout view of each part in the creaser slotter for the seventh embodiment of the sheet processing apparatus of the corrugated board making machine according to the present invention. FIG. 8 (B) shows
It is a blank for a corrugated cardboard box manufactured by (A). In the seventh example shown in FIGS. 8A and 8B, one of the flaps 107F and 107f is longer, and kerf processing is also performed in the middle of the width component of the long flap. Since such kerf processing is performed, in addition to the creaser unit 42, the slot unit 43a,
It is arranged in two stages with the creaser 41b, and is subjected to kerf processing of the long kerf 107M. In the blank 107 shown in FIG. 8B, 107L is a length surface, 107W is a width surface, 107F is an outer flap, 107f is an inner flap, 107S is a slot slotted in a slotter portion, and 107C is a creaser portion. And a ruled line 107D is processed by a corrugator scorer (not shown).

FIG. 9 (A) is a layout view of each part in the creaser slotter part for the eighth embodiment of the sheet processing apparatus for the corrugated board making machine according to the present invention. FIG. 9 (B) shows
Blank 1 for a cardboard box manufactured by the (A)
It is 08. The eighth example shown in FIGS. 9A and 9B is
A slotter unit 43 and a creaser unit 41 are provided in addition to the ordinary creaser slotter 42 for performing the grooving on the widths 108f and 108f of both long flaps 108. And the slotter unit 4 with a limited circumference
A kerf having a kerf length not sufficient for 3 was applied. Figure 9
In the blank 108 shown in (B), 108L is a length surface, 108W is a width surface, 108F is an outer flap, and 108f.
Is an inner flap, 108S is a slot grooved at slotters 42 (b) and 43, 108C is a ruled line processed at the creaser 41 or 42 (a), and 108D is a corrugator not shown. It is a ruled line processed by a scorer.

[0025]

As described above, according to the sheet device of the corrugated board machine and the processing method thereof according to the present invention, a plurality of creaser slotter units, creaser units, and slotter units are installed in the creaser slotter section, and the creaser slotter process is performed. In, for example, by providing a single creaser unit and a single slotter unit in the creaser slotter section in addition to the creaser slotter unit on a series of lines, a blank for a cardboard box with a long flap and a blank for a cardboard box with many slots , A long slotter, a slotter and a crease in the middle position, etc., a blank for a cardboard box that is not symmetrical and has a scoring process or a scoring process, or a special blank such as a triple-wall thick cardboard sheet blank. Things on a series of lines It can be processed.

[Brief description of drawings]

FIG. 1 is a schematic explanatory view showing an example of a sheet processing apparatus of a corrugated board making machine according to the present invention.

FIG. 2A is a layout view of each part in the creaser slotter part for the first example of implementation of the sheet processing method for the corrugated board making machine according to the present invention. (B) is a blank for a cardboard box manufactured by (A).

FIG. 3A is a layout view of each part in a creaser slotter part for a second example of implementation of a sheet processing method for a corrugated board making machine according to the present invention. (B) is a blank for a cardboard box manufactured by (A).

FIG. 4A is a layout view of each part in a creaser slotter part for a third example of carrying out the sheet processing method of the corrugated board making machine according to the present invention. (B) is a blank for a cardboard box manufactured by (A).

FIG. 5A is a layout view of each part in the creaser slotter part for the fourth example of implementation of the sheet processing method for the corrugated board making machine according to the present invention. (B) is a blank for a cardboard box manufactured by (A).

FIG. 6A is a layout view of each part in a creaser slotter part for a fifth example of carrying out the sheet processing method of the corrugated board making machine according to the present invention. (B) is a blank for a cardboard box manufactured by (A).

FIG. 7A is a layout view of each part in a creaser slotter part for a sixth example of implementation of a sheet processing method for a corrugated board making machine according to the present invention. (B) is a blank for a cardboard box manufactured by (A).

FIG. 8A is a layout view of each part in the creaser slotter part for the seventh example of implementation of the sheet processing method for the corrugated board making machine according to the present invention. (B) is a blank for a cardboard box manufactured by (A).

FIG. 9 (A) is a layout view of each part in the creaser slotter part for the eighth example of implementation of the sheet processing method for the corrugated board making machine according to the present invention. (B) is a blank for a cardboard box manufactured by (A).

FIG. 10 is a schematic explanatory view of a conventional corrugated board making machine.

FIG. 11 is a blank of an A-shaped box manufactured by the corrugating machine of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Corrugated board sheet 2 Sheet supply part 3 Printing part 4 Creaser slotter part 5 Sending part 6,7 Conveying roller 21 Sheet supply table 22 Kicker 31 First printing part 32 Second printing part 33 Third printing part 34 Fourth part Printing section 41 Creaser unit 42 Creaser slotter unit 43 Slotter unit 101, ~ 108 Blank 101L, ~ 108L Length surface 101W, ~ 108W Width surface 101F, ~ 108F Outer flap 101f, ~ 108f Inner flap 101S, ~ 108S ~ Slot 108C, 101C, 108C Ruled lines 101D, ~ 108D Ruled lines

Claims (2)

[Claims] 1. A sheet supplying step of supplying a corrugated cardboard sheet, a printing step of performing a predetermined printing on the supplied corrugated cardboard sheet, and a creaser slotter step of performing ruled line processing and kerf processing on the printed corrugated cardboard sheet, In the sheet processing method of the corrugated board making machine that is performed sequentially, in the creaser slotter process, crease processing and kerf processing are performed multiple times to enable cardboard sheet processing for specially shaped cardboard boxes and thick cardboard sheets for cardboard boxes. A sheet processing method for a corrugated board making machine, which is characterized in that 2. A sheet supply section for supplying a corrugated board sheet, a printing section for performing a predetermined printing on the supplied corrugated board sheet, and a creaser slotter section for performing ruled line processing and kerf processing on the printed corrugated board sheet. In the sheet processing device of the corrugated board making machine that is performed sequentially, in the creaser slotter section, the creaser unit, the creaser slotter unit, and the slotter unit are arranged in this order from the upstream side. A sheet processing device for a corrugated board making machine, which is capable of processing corrugated board sheets.