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Method and device for making box of corrugated cardboard sheet

A corrugated board and corrugated technology, applied in the field of boxes and devices used to produce corrugated boards, can solve the problems of polluting the surrounding environment and reducing the quality of corrugated board boxes, and achieve double production efficiency, improved cutting accuracy, and improved folding accuracy Effect

Active Publication Date: 2010-10-27
MITSUBISHI HEAVY IND MACHINERY SYST LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can pollute the surrounding environment and paper dust can get into the set of corrugated board boxes G2 that have been cut and stacked, thereby reducing the quality of the corrugated board boxes

Method used

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  • Method and device for making box of corrugated cardboard sheet
  • Method and device for making box of corrugated cardboard sheet
  • Method and device for making box of corrugated cardboard sheet

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0049] refer to figure 1 and figure 2 The first embodiment of the present invention is explained. figure 1 A part of the box production line of this embodiment is shown. figure 2 A two-box joining panel S (after the creasing and slitting steps) is shown, having the dimensions of two corrugated board boxes, to be produced in a box production line. exist figure 1 In , the corrugated board sheet S that has been printed by a flexographic printing machine not shown in the figure is transferred to the groover·crisler unit C. The slotting machine creasing machine unit C has a first slotting machine unit, a first creasing machine unit 17, a second slotting machine unit 21, and a second crimping machine unit arranged from upstream to downstream along the traveling direction of the corrugated sheet. Folding unit 27. The first notcher unit 11 comprises an upper notcher 12 and a lower notcher 13 arranged to be inserted into the conveyor line PL of the corrugated sheet. The uppe...

no. 2 example

[0074] Next, refer to image 3 A second embodiment of the present invention is explained. image 3 is a perspective view of the folding unit E installed continuously on the downstream side of the speed increasing unit J of the second embodiment. In this embodiment, the structure of the box production line on the upstream side of the speed increasing unit J is the same as that of the first embodiment. as in image 3 As shown in the small corrugated sheet S 1 and S 2 In the state of being placed between the left and right paired guide rails 73, 73 and the left and right paired transfer belts 74, 74, the cut portion I is symmetrically cut and is transferred in the folding unit E along the direction shown with the arrow a The small corrugated plates S separated by the speed increasing unit J 1 and S 2 .

[0075] While being transferred, the gluing unit 75 applies glue g to the gluing edge f and the folding bars 76 arranged on the left and right sides of the transfer directi...

no. 3 example

[0079] Below, refer to Figure 4 A third embodiment of the present invention is explained. Figure 4 shown corresponding to figure 1 , the box manufacturing line of the present embodiment. exist Figure 4 Among them, a pair of transfer rollers 81a and 81b are arranged to be inserted into the conveying line PL of the corrugated board sheet on the immediately downstream side of the upper and lower cutting rollers and transfer the cut small corrugated board along the transfer direction a of the corrugated board sheet Slices 1 and S 2. The transfer roller 81a is connected to the output shaft of the servo motor 82 and is rotated by the servo motor. The transfer roller 81b is a driven roller and guides the small corrugated sheet S passing the transfer rollers 81a and 81b in the transfer direction a 1 and S 2 .

[0080] A detector 83 such as a rotary encoder is connected to the rotation shaft of the upper cutting roller 36, and detects the cutting timing at which the upper ...

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Abstract

Disclosed is a method for producing a cardboard box by performing a box-making process of a corrugated cardboard sheet which is formed to have dimensions of a plurality of cardboard boxes wherein the yield of the cardboard sheet and the production efficiency are enhanced and a countermeasure can be taken against paper powder. A method for making a box of a corrugated cardboard sheet by performinga box-making process of a cardboard sheet (S) which is formed to have dimensions of a plurality of cardboard boxes and then cutting the cardboard sheet (S) into dimensions of one cardboard box comprises a step (I) for cutting the cardboard sheet (S) into dimensions of one cardboard box by a cut line (k) in the direction intersecting the conveyance direction (a) along a box making line (PL) after a ruling and grooving step (C) and before a pasting and folding step (E), and a speed increase step (J) for spacing the cardboard sheets (S1) and (S2) thus cut by a set dimension following to the cutting step (I) by increasing the speed of the cardboard sheets (S1) and (S2) while conveying toward a subsequent step.

Description

technical field [0001] In an apparatus for producing boxes of corrugated board, the present invention relates to a method and an apparatus for producing boxes of corrugated board, wherein by performing a box production process of a board formed in a plurality of corrugated board box sizes And cutting the sheet into individual pieces each having the size of one corrugated board box enhances box production accuracy and processing efficiency. Background technique [0002] Corrugated sheet made by a corrugator mill is processed on a conveyor line of a box production machine to be printed, crimped and grooved, and then formed into a square tube in a gluing step and a folding step in which, The glued edges of one side panel of the four-panel box are overlapped and glued to the other side panel to form a body having the shape of a square tube, and flaps extending from each panel form the bottom and top portions of the box. [0003] Figure 5 Shows the general structure of the box ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B31B1/14B31B1/20B31B50/02B31B50/20
CPCB31B1/16B31B3/00B31B1/04B31B2201/88B31B2201/2637B31B2201/145B31B2201/0247B31B1/36B31B50/00B31B50/006B31B50/042B31B50/16B31B50/20B31B50/22B31B50/256B31B50/36B31B50/624B31B50/88B31B2100/00B31B2120/30
Inventor 波多野治杉本和也名达光洋
Owner MITSUBISHI HEAVY IND MACHINERY SYST LTD
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