CN102502323A - Corrugated board automatic stacking controlling method - Google Patents

Corrugated board automatic stacking controlling method Download PDF

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Publication number
CN102502323A
CN102502323A CN2011103402756A CN201110340275A CN102502323A CN 102502323 A CN102502323 A CN 102502323A CN 2011103402756 A CN2011103402756 A CN 2011103402756A CN 201110340275 A CN201110340275 A CN 201110340275A CN 102502323 A CN102502323 A CN 102502323A
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CN
China
Prior art keywords
cardboard
speed
load
transfer
buttress
Prior art date
Application number
CN2011103402756A
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Chinese (zh)
Inventor
刘健
刘凤阳
左丽娟
段远步
欧阳钟禄
Original Assignee
湖南益晟机械科技有限公司
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Application filed by 湖南益晟机械科技有限公司 filed Critical 湖南益晟机械科技有限公司
Priority to CN2011103402756A priority Critical patent/CN102502323A/en
Publication of CN102502323A publication Critical patent/CN102502323A/en

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Abstract

The invention discloses a corrugated board automatic stacking controlling method. Counting is carried out at the cutter shaft of a transverse cutting machine (1), and the speed of conveying rollers (2) is measured. A first conveyer belt runs in a corresponding speed under the controlling of a PLC. When it is counted by a proximity switch that a value indicating stack separation is reached, the value of a next stack is simultaneously started to be counted. When a time for the rear end of corrugated boards to move from a counting position to a board ejector pin (4) stack separation position calculated by the PLC is reached, the board ejector pin (4) acts to separate the stacks. When stack separation is finished, a second conveyer belt (5) runs with a high speed, such that the separated board stack is separated from the non-separated boards. When separating is finished, the second conveyer belt (5) runs with a low speed, such that the former stack of boards can be discharged transversally. When a signal indicating that the former stack is already transversally discharged is received, the second conveyer belt (5) and a third conveyer belt (6) run with a high speed. The current stack of boards starts to enter a nacelle (15). The nacelle (15) drops, such that the boards start to be discharged transversally. The nacelle (15) ascends to a place of an upper proximity switch. The actions are stopped, and transversal discharging is finished. The controlling method provided by the invention is advantaged in high automation degree, precise counting, good stability, and low cost.

Description

A kind of control method of automatic folding and piling-up corrugated paperboard

Technical field

The present invention relates to a kind of corrugated board production technology, refer in particular to a kind of control method of automatic folding and piling-up corrugated paperboard.

Background technology

Corrugated board refers generally to body paper and collects stacked flow process such as shift out through preheating, fluting, paste glue, bonding, line ball, Fixed width rip cutting, fixed length crosscut and make; Corrugated board is horizontal go out after; After need cardboard (10-40 opens) corrugated board of some being tied up; Positive and negative stacking 200-500 opens, and it is exactly corrugated paper board production line that above flow process equipment needed thereby combines.Each flow process wherein all is that manufacturing line is requisite, wherein corrugated board is collected stacked mobile equipment, be referred to as stacker, has also that to be stacking machine, conveyer, its purpose all be that the collection of corrugated board is stacked shifts out.

The collection of the corrugated board that occurs on the market on the market at present, is stacked shifts out mode and mainly contains that the permanent height of artificial little buttress piles up, the automatic Parma of portal frame type piles up and the big automatically buttress of basket-hanging piles up.The permanent height of artificial little buttress piles up that cardboard is carried, cardboard quantity is checked, the conversion of cardboard specification is accomplished by manual work entirely, exists labour intensity big, the error-prone of counting, the shortcomings such as whole line production efficiency is low that reduce.It is higher that the automatic Parma of portal frame type piles up the degree of automation of piling up with the big automatically buttress of basket-hanging, allows manufacturing line with advantages such as maximal efficiency operations, but have the inaccuracy of counting, and cardboard length variations time point miscounts shortcomings such as mistake.

Summary of the invention

Technical matters to be solved by this invention provides a kind of degree of automation height, the control method of count accurate, stable and the automatic folding and piling-up corrugated paperboard that cost is low.

In order to solve the problems of the technologies described above, the control method of automatic folding and piling-up corrugated paperboard provided by the invention comprises revolving knife and conveying roller, first load-transfer device, lifting paper pole, second load-transfer device, the 3rd load-transfer device, pressing board and the hanging basket of transverse cutting unit; The last place of the 3rd load-transfer device is provided with the infrared external reflection switch, pressing board is provided with infrared switch, counts in the cutter shaft place of described transverse cutting unit, and described conveying roller tests the speed; At first, according to the length of corrugated board and the line speed that records, PLC controls described first load-transfer device and moves with corresponding speed; When count be calculated to the numerical value that need to divide buttress near switch the time pick up counting and begin to calculate next buttress numerical value simultaneously, when the cardboard afterbody that calculates as PLC divided arrive buttress place's time from the described lifting paper pole (4) of counting, described lifting paper pole action divided buttress; Described second load-transfer device runs at high speed after dividing buttress to accomplish, and makes branch pile up neatly the cardboard of completion and divides the cardboard of buttress to separate with not accomplishing, and the described second load-transfer device low cruise is to guarantee the horizontal discharge of last buttress cardboard after the separation completion; Receiving after last buttress laterally discharges the signal of completion; Described second load-transfer device, the 3rd load-transfer device run at high speed, and then this buttress cardboard begins to get into described hanging basket, when the described infrared switch on the described pressing board receives cardboard to the signal of certain altitude; Described hanging basket crawl descends can random paper to guarantee that cardboard piles up neatly not; When this buttress cardboard all entered into described hanging basket, the described indigo plant of hanging descended, and the following of described hanging basket stops near hanging basket after the switch motion; Move after described pressing board moves and make the cardboard discharge more convenient; Cardboard begins horizontal discharge, and after the complete efflux time of predetermined cardboard arrived, described pressing board moved to cardboard length; Described hanging basket rises near the switch motion parking and laterally discharges completion; Described second load-transfer device, the 3rd load-transfer device high-speed cruising, next buttress can begin to get into described hanging basket, so back and forth carries out.

The high speed of described second load-transfer device is decided to be 1m/s, and low speed is decided to be 0.4m/s; The high speed of described the 3rd load-transfer device is decided to be 1m/s, and low speed is decided to be 0.4m/s.

Adopt the control method of the automatic folding and piling-up corrugated paperboard of technique scheme, degree of automation is high, accurate, stable, the feasible efficient of producing of counting uprises and cost is low.

Description of drawings

Fig. 1 is an overall schematic.

Fig. 2 is a load-transfer device controlling schemes scheme drawing.

Fig. 3 is system's control flow chart.

Fig. 4 is a hanging basket up-down control flow chart.

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described further.

Referring to Fig. 1 and Fig. 3, the control method of automatic folding and piling-up corrugated paperboard provided by the invention comprises revolving knife 1 and conveying roller 2, first load-transfer device 3, lifting paper pole 4, second load-transfer device 5, the 3rd load-transfer device 6, pressing board 16 and the hanging basket 15 of transverse cutting unit; The last place of the 3rd load-transfer device 6 is provided with infrared external reflection switch 7, pressing board 16 and is provided with infrared switch 8 and pressing board motor 16, hanging basket 15 and is provided with hanging basket and goes up and down on first to go up and down on second to go up and down to go up to slow down to go up and down to slow down down near switch 11, hanging basket near switch 10, hanging basket near switch 9, hanging basket and go up and down to go up and down second time near switch 14 and hanging basket lifting motor 15 near switch 13, hanging basket first time near switch 12, hanging basket; Count in the cutter shaft place of transverse cutting unit 1, conveying roller 2 tests the speed, at first, and according to the length of corrugated board and the line speed that records; PLC controls first load-transfer device 3 and moves with corresponding speed; When count be calculated to the numerical value that need to divide buttress near switch the time pick up counting and begin to calculate next buttress numerical value simultaneously, when the cardboard afterbody that calculates as PLC arrived from the 4 fens buttress place time of lifting paper pole of counting, lifting paper pole 4 actions divided buttress; Dividing buttress to accomplish back second load-transfer device 5 runs at high speed and makes cardboard that the branch buttress accomplishes and do not accomplish the cardboard that branch piles up neatly and separate; Second load-transfer device, 5 low cruises to be guaranteeing the horizontal discharge of last buttress cardboard after separate accomplishing, and are receiving after last buttress laterally discharges the signal of completion, and second load-transfer device 5, the 3rd load-transfer device 6 run at high speed; Then this buttress cardboard begins to get into hanging basket; When infrared switch 8 on the pressing board 16 received cardboard to the signal of certain altitude, hanging basket 15 crawls descend can random paper to guarantee that cardboard piles up neatly not, when this buttress cardboard all enters into hanging basket 15; Hanging blue 15 descends; The following of hanging basket 15 stops near hanging basket after the switch motion, moves after pressing board 16 moves to make the cardboard discharge more convenient, and cardboard begins horizontal discharge; After the complete efflux time of predetermined cardboard arrives; Pressing board 16 moves to cardboard length, and hanging basket 15 rises to stop laterally to discharge near switch motion and accomplishes, second load-transfer device 5, the 3rd load-transfer device 6 high-speed cruising; Next buttress can begin to get into hanging basket 15, so back and forth carries out.The high speed of second load-transfer device 5 is decided to be 1m/s, and low speed is decided to be 0.4m/s; The high speed of the 3rd load-transfer device 6 is decided to be 1m/s, and low speed is decided to be 0.4m/s.

Referring to Fig. 2, the load-transfer device controlling schemes:

The present invention is decided to be the speed of first load-transfer device 3 and becomes 1: 3 relation with line speed, changes changing with manufacturing line.After cardboard was transported to the lower stacker of level height from the higher transverse cutting unit of level height like this, cardboard just became every block of cardboard from tiling and has only 1/3rd being with on one, and 2/3rds of arbitrary cardboard all is pressed on last the cardboard.Promptly folded ratio is decided to be 3.

Line speed can be measured with speed measuring coder and use V 0A speed V is with in expression 0The speed of/3, second load-transfer device 5 is V 2, for height two retaining speed, being decided to be 1m/s at a high speed, low speed is decided to be 0.4m/s, and the speed of the 3rd load-transfer device 6 is V 2, for height two retaining speed, being decided to be 1m/s at a high speed, low speed is decided to be 0.4m/s, cardboard length/V 2High speed=T 1

The counting scheme:

Be used for single lifting paper pole 4 places of branch, cardboard has stacked, and can't detect the number of cardboard; Can only be contained on the transverse cutting unit so the cardboard number detects; The present invention is the cutter shaft place that is installed in the revolving knife 1 of transverse cutting unit by it, revolving knife 1 every cut-out a piece of paper of transverse cutting unit, and counting is once.Because cardboard is counted and is installed in the cutter shaft place of the revolving knife 1 of transverse cutting unit near switch, divide single lifting paper pole 4 to be located between first load-transfer device 3 and second load-transfer device 5 and carry out cardboard, not at same position, so there is a time difference between the two.And this time difference is the key that causes cardboard number error.

Want accurate counting, must calculate the timing point point count to produce required cardboard number after, the cardboard afterbody runs to time of lifting paper pole 4 tops from the revolving knife 1 (counting) of transverse cutting unit, after postponing to wait for this time, lifting paper pole 4 actions.

Referring to Fig. 2, from conveying roller 2 distance article one press strip that tests the speed, be recording of fixing, use L 1Expression, moderating process is S 1, the low speed process is S 2, S 1+ S 2Equal S, S is the distance of 4 of conveying roller 2 to lifting paper poles, and can record from the revolving knife 1 of transverse cutting unit is fixing can recording to conveying roller 2 distances, uses L 2Expression, the long L of cardboard, the time that the cardboard afterbody is walked in S is t 1, at L 2The time of walking is t 2, the time of the full back time-delay push rod action of counting at revolving knife 1 place of transverse cutting unit is T=t 1+ t 2, handling in moderating process with even accelerator, acceleration/accel is a, and the situation of L>L1 only can take place in actual production, and each high speed of opening the afterbody of cardboard only occurs in L 2, when needs divide single cardboard number n to confirm: known L 2, S, V 0, establish S 2Shared ratio is n (between 1%-100%) in S:

Through L 2Time: t 2=L 2/ V 0

t 1 = ( 1 - n ) / S 2 V 0 / 3 + nS V 0 / 3

= S 2 V 0 / 3 + nS V 0 / 3

= 1.5 S ( 1 + n ) S / V 0

When the speed of a motor vehicle changed, speed was high more, and n diminishes; The low more n of speed becomes big, and the pressure of press strip also can make n change, so on touch-screen, introduce a Coefficient m about pressure (scope 0-1); Adjustment press strip pressure needs to revise this coefficient, and pressure increases; Increase m, pressure reduces then to import negative value, and the time altogether need delay time:

T=L 2/V 0+1.5S/V 0(1+V 0 2/9+m)

Pressing board 16 controls:

If the front and back limitation travel switch manually increases or dwindles the pressing board distance, self-orientation to new order paper is long, and fixed length increases the pressing board gap when hanging blue 15 paper feeds, and paper delivery is accomplished (3S) back and recovered pressing board position.

Manually increase and dwindle the pressing board distance: dwindle button by manual increase, change the pressing board gap.

Automatically it is long to be positioned to new order paper: when changing list, based on user preset or Production Supervisor's notice, be positioned to the long position of new paper automatically.

Fixed length increases the pressing board gap during paper delivery: when hanging basket is partly arranged paper, for fear of stopping owing to the unpredictable of pressing board, cause cardboard in disorder, before hanging basket was partly seen paper off, fixed length increased the pressing board gap.

After accomplishing, recovers by right angle row's paper the pressing board position: after right angle row's paper is accomplished, recover the pressing board position.Eliminate error: when pressing board during through the front and back limitation travel switch, equipment is revised the present position coordinate.When pressing board self-orientation precision is not accurate enough, revise by the hand button on the operator's station.

The up-down control flow chart of hanging basket 15 is seen Fig. 4.

Claims (2)

1. the control method of an automatic folding and piling-up corrugated paperboard comprises revolving knife (1) and conveying roller (2), first load-transfer device (3), lifting paper pole (4), second load-transfer device (5), the 3rd load-transfer device (6), pressing board (16) and the hanging basket (15) of transverse cutting unit, and the 3rd load-transfer device (6) locates to be provided with infrared external reflection switch (7) at last, pressing board (16) is provided with infrared switch (8); It is characterized in that: count in the cutter shaft place of described transverse cutting unit (1), and described conveying roller (2) tests the speed, at first; According to the length of corrugated board and the line speed that records; PLC controls described first load-transfer device (3) and moves with corresponding speed, when count be calculated to the numerical value that need to divide buttress near switch the time pick up counting and begin to calculate next buttress numerical value simultaneously, when the cardboard afterbody that calculates as PLC divides arrive buttress place's time from the described lifting paper pole (4) of counting; Described lifting paper pole (4) action divides buttress; Described second load-transfer device (5) runs at high speed after dividing buttress to accomplish, and makes branch pile up neatly the cardboard of completion and divides the cardboard of buttress to separate with not accomplishing, and described second load-transfer device (5) low cruise is to guarantee the horizontal discharge of last buttress cardboard after the separation completion; Receiving after last buttress laterally discharges the signal of completion; Described second load-transfer device (5), the 3rd load-transfer device (6) run at high speed, and then this buttress cardboard begins to get into described hanging basket (15), when the described infrared switch (8) on the described pressing board (16) receives cardboard to the signal of certain altitude; Described hanging basket (15) crawl descends can random paper to guarantee that cardboard piles up neatly not; When this buttress cardboard all entered into described hanging basket (15), the described indigo plant (15) of hanging descended, and the following of described hanging basket (15) stops near hanging basket after the switch motion; Move after described pressing board (16) moves and make the cardboard discharge more convenient; Cardboard begins horizontal discharge, and after the complete efflux time of predetermined cardboard arrived, described pressing board (16) moved to cardboard length; Described hanging basket (15) rises near the switch motion parking and laterally discharges completion; Described second load-transfer device (5), the 3rd load-transfer device (6) high-speed cruising, next buttress can begin to get into described hanging basket (15), so back and forth carries out.
2. the control method of automatic folding and piling-up corrugated paperboard according to claim 1, it is characterized in that: the high speed of described second load-transfer device (5) is decided to be 1m/s, and low speed is decided to be 0.4m/s; The high speed of described the 3rd load-transfer device (6) is decided to be 1m/s, and low speed is decided to be 0.4m/s.
CN2011103402756A 2011-11-01 2011-11-01 Corrugated board automatic stacking controlling method CN102502323A (en)

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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102923514A (en) * 2012-11-17 2013-02-13 汕头东风印刷股份有限公司 Presswork counting and stacking method
CN104310106A (en) * 2014-09-17 2015-01-28 青岛开拓数控设备有限公司 Method, system and device for improving stacking overlap by controlling speed of transversely-cut output paper
CN105015039A (en) * 2015-06-09 2015-11-04 天津元华友汇包装有限公司 Manufacturing technology of multi-layer corrugated boards
CN108058998A (en) * 2018-01-18 2018-05-22 玉田县炬兴印刷包装机械制造有限公司 A kind of side-stop, side-stop are oriented to adjusting mechanism and tipper
CN108263845A (en) * 2018-01-18 2018-07-10 玉田县炬兴印刷包装机械制造有限公司 A kind of conveying mechanism and tipper
CN108263828A (en) * 2018-01-18 2018-07-10 玉田县炬兴印刷包装机械制造有限公司 A kind of supporting plate transfer unit, collection and delivery apparatus and tipper
CN109230763A (en) * 2018-07-11 2019-01-18 广东佛斯伯智能设备有限公司 A kind of corrugated board stacks and separation control method
CN109466109A (en) * 2018-09-30 2019-03-15 句容市南山包装制品有限公司 A kind of corrugated board processing unit (plant) that can recycle clout

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102923514A (en) * 2012-11-17 2013-02-13 汕头东风印刷股份有限公司 Presswork counting and stacking method
CN102923514B (en) * 2012-11-17 2015-03-04 汕头东风印刷股份有限公司 Presswork counting and stacking method
CN104310106A (en) * 2014-09-17 2015-01-28 青岛开拓数控设备有限公司 Method, system and device for improving stacking overlap by controlling speed of transversely-cut output paper
CN104310106B (en) * 2014-09-17 2016-05-11 青岛开拓数控设备有限公司 By controlling the overlapping method, system and device of crosscut paper delivery speed improvement pile
CN105015039A (en) * 2015-06-09 2015-11-04 天津元华友汇包装有限公司 Manufacturing technology of multi-layer corrugated boards
CN108058998A (en) * 2018-01-18 2018-05-22 玉田县炬兴印刷包装机械制造有限公司 A kind of side-stop, side-stop are oriented to adjusting mechanism and tipper
CN108263845A (en) * 2018-01-18 2018-07-10 玉田县炬兴印刷包装机械制造有限公司 A kind of conveying mechanism and tipper
CN108263828A (en) * 2018-01-18 2018-07-10 玉田县炬兴印刷包装机械制造有限公司 A kind of supporting plate transfer unit, collection and delivery apparatus and tipper
CN109230763A (en) * 2018-07-11 2019-01-18 广东佛斯伯智能设备有限公司 A kind of corrugated board stacks and separation control method
CN109466109A (en) * 2018-09-30 2019-03-15 句容市南山包装制品有限公司 A kind of corrugated board processing unit (plant) that can recycle clout

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Application publication date: 20120620