EP2593388B1 - Procede de protection d'une unite de transformation d'un support en bande, station d'alimentation et machine de production d'emballages - Google Patents

Procede de protection d'une unite de transformation d'un support en bande, station d'alimentation et machine de production d'emballages Download PDF

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Publication number
EP2593388B1
EP2593388B1 EP11729064.3A EP11729064A EP2593388B1 EP 2593388 B1 EP2593388 B1 EP 2593388B1 EP 11729064 A EP11729064 A EP 11729064A EP 2593388 B1 EP2593388 B1 EP 2593388B1
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EP
European Patent Office
Prior art keywords
unit
stopping
motor
machine
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP11729064.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2593388A1 (fr
Inventor
Philippe Clement
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bobst Mex SA
Original Assignee
Bobst Mex SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bobst Mex SA filed Critical Bobst Mex SA
Priority to EP11729064.3A priority Critical patent/EP2593388B1/fr
Publication of EP2593388A1 publication Critical patent/EP2593388A1/fr
Application granted granted Critical
Publication of EP2593388B1 publication Critical patent/EP2593388B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
    • B65H23/185—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations motor-controlled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
    • B65H26/025—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs responsive to web breakage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/449—Features of movement or transforming movement of handled material
    • B65H2301/4491—Features of movement or transforming movement of handled material transforming movement from continuous to intermittent or vice versa

Definitions

  • the present invention relates to a method for protecting a processing unit from a continuous web support.
  • the invention further relates to a packaging production machine, comprising a feed station and a processing unit.
  • a packaging production machine is intended for the manufacture of boxes, which will be able to form packaging, by folding and gluing.
  • the production starts from an initial continuous web support, that is to say a blank tape, for example cardboard, which is unrolled continuously, printed by one or more printing units, possibly embossed, then cut in a platen cutting press.
  • the processed support in the form of poses or boxes obtained by cutting are then put into sheets, before being stacked in rows to form stacks in a receiving and palletizing station, for storage or transport outside of the machine.
  • a platen cutting press or also a platen is a processing unit that requires a temporary stop of the scrolling of the continuous web support during the transformation. Due to the continuous feed upstream, there is an accumulation of support in the form of an upstream loop.
  • a feeding station serves firstly to register the printing with the cutout longitudinally and laterally.
  • the other function of the feed station is to create cyclically and permanently control this loop which extends during the stop due to the work of the press, and which is shortened as soon as the power of the press resumes in view of the subsequent transformation.
  • the Feed Station transforms the continuous scrolling of the media into intermittent scrolling, at each work cycle of the transformation unit, while maintaining a media tension at the loop control.
  • the phases of acceleration, deceleration of the support in the feed station, as well as the transformation occurring flat in the unit, are very sensitive to the quality and the type of the continuous web support.
  • the support at the beginning of the coil does not have the same physical qualities as the support at the end of the coil, this for the same support coil taking place at the entrance of the machine.
  • jams occur in the processing unit.
  • the documents CH-602.462 and CH-618: 660 disclose a feed station for a platen cutting press, comprising a pull member and a responsive control driving the support around the circumference of an eccentric roller mounted between two rotating platens.
  • This device comprises a first roller, called a drive roller, also known as the call cylinder or sensitive control, around which oscillates cyclically, upstream and downstream, a second roller, called satellite roller.
  • An introduction arrangement for supplying a transformation unit is mounted downstream of the responsive control.
  • the introducer arrangement comprises a lower roll rotated.
  • the entire machine In the event of jamming of the support inside the processing unit, the entire machine, together with the processing unit and the feed station, is stopped automatically by means of jam detection means. placed downstream of the unit. However, due to the inertia of the drive, the tape support will continue to enter the unit, until a complete stop of the tape scroll. The media will form a jam.
  • a main object of the present invention is to develop a method of protecting a processing unit of a continuous web support.
  • a second objective is to avoid damage to the processing tools present in the processing unit in case of jamming.
  • a third objective is to maintain the longitudinal and lateral register of the support between feed and processing, while stopping the processing unit, the feed station and the packaging production machine.
  • a fourth objective is to produce a packaging production machine for a transformation of a support, comprising a feed station and a support processing unit, and protection means.
  • Yet another purpose is to provide for modifications to protect a feed station from a processing unit with a web support.
  • the first step serves to detect whether a transformed support is coming out or not leaving the processing unit. If the transformed medium does not come out, while the unit, the feed station and the machine are in operation, a signal corresponding to a misfeed is emitted. Media stuffing is immediately detected and processed.
  • the scrolling of the support is stopped progressively. This stops the entire machine at the same time. The arrival of the support at the feed station and the processing unit is stopped.
  • the stuffing in the unit and in the station is minimized.
  • the operator then quickly re-starts the entire machine as soon as he has removed a small amount of tape media and cleaned the unit and station.
  • the longitudinal direction is defined by reference to the median axis of the packaging production machine, the feed station and the processing unit. This direction is determined by that of the drive of the continuous web support.
  • the transverse and lateral direction is defined as being the direction perpendicular to the driving direction of the support.
  • the upstream and downstream directions are defined by referring to the direction of scrolling of the support, in the longitudinal direction, respectively before and after the feed station and the processing unit.
  • a packaging production machine 1 comprises a processing unit, which is in this case a platen cutting press 2.
  • the press 2 transforms a continuous web material or support 3.
  • the strip 3 is flat cardboard, and this cardboard is cut in the press 2.
  • a feed station 4 is positioned upstream of the press 2. The station 4 receives upstream the band 3, arriving with a constant speed .
  • the machine 1 Upstream of the station 4, the machine 1 has, by way of example, printing units, means for controlling the quality and the register of the printing, as well as means for embossing, or any other means (not shown ) modifying the surface of the strip 3.
  • the station 4 delivers downstream this same band 3 to the press 2, with an intermittent speed.
  • the press 2 cuts the strip 3 to the stop, and delivers it in the form of poses 6.
  • the support that is to say the strip 3, changes from an unprocessed carrier state to a state of transformed support, that is to say the poses 6.
  • the poses 6 exit downstream of the press 2.
  • the direction of advance or scroll (Arrow F) of the band 3 and poses 6 in the longitudinal direction indicates the upstream direction and the downstream direction.
  • a first insertion arrangement 14, for guiding, driving and retracting the web 3 inside the press 2, is positioned downstream of the responsive control 11 and the loop control 13 and upstream of the press 2
  • the insertion arrangement 14 is mounted by being fixed in the feed station 4.
  • a second arrangement of output 16 for guiding, driving and removing the blanks 6 outside the press 2, is positioned downstream of the press 2.
  • the responsive control is formed by a main driving roller 11, rotating on a main shaft (Arrow R).
  • the main shaft and thus the main roller 11 are mounted substantially horizontally and perpendicularly to the direction of travel of the belt 3.
  • the main roller 11 thus continuously drives the belt 3 from upstream to downstream.
  • An electric main drive motor 17 rotates the main roller 11.
  • the loop control comprises a satellite roller 13 mounted parallel to the main roller 11.
  • the strip 3 is engaged between the main roller 11 and the satellite roller 13, and is held there, while being drivable.
  • the strip 3 forms a path that is about three-quarters of a turn of the main roller 11 and half of a turn of the satellite roller 13.
  • the satellite roller 13 is able to oscillate (Arrow O) around the main drive roller 11, from upstream to downstream, and vice versa from downstream to upstream.
  • Arrow O oscillate
  • An electric drive secondary motor 18 oscillates the satellite roller 13.
  • the oscillation frequency O of the satellite roller 13 causes speed variations of the band 3.
  • the band 3 cyclically goes from a constant speed to a zero speed, and vice versa, from a zero speed to a constant speed.
  • These variations of speed and therefore the frequency of the oscillations O are chosen as a function of the cutting speed of the press 2 downstream.
  • the insertion arrangement 14 comprises a lower roll 19 and a series of upper pressing rollers 21.
  • the band 3 is engaged, held and driven in the press 2 between the roll 19 and the rollers 21.
  • the roll 19 is rotated by an electric motor 22.
  • the outlet arrangement 16 of the poses 5 has substantially the same mechanical structure as the insertion arrangement 14 of the band 3.
  • the feed arrangement 14 is also known as RIM or modulated feed roll.
  • Output arrangement 16 is also known as RSM or modulated output roll.
  • the introduction arrangement 14 and the output arrangement 16 are for example substantially similar to that described in the document WO-2010 / 066.325.
  • means for detecting a jam are mounted in the machine 1, being positioned downstream and directly at the outlet of the press 2.
  • This cell 23 monitors the output of the poses 6 and counts the poses 6.
  • the reference cell 23 at the surface the presence or absence of poses 6 exiting the press 2.
  • the cell 23 generates and sends a counter which is transformed into a stuffing signal 24 in the absence of a poses 6 outlet.
  • Means for processing the stuffing signal 24, for example in the form of a signal processing system 26 for controlling the protection of the press 2 are provided in the machine 1 and in the feed station 4.
  • the system 26 is able to generate stop signals 27, 28, 29 and 31.
  • the first stop signal 27 is for the input arrangement 14 and includes an instant stop command of the motor 22 of the roller 19.
  • the second stop signal 28 is for the responsive control 11 and includes an instruction progressive stop of the motor 17 of the responsive control 11.
  • the third stop signal 29 is for the loop control 13 and comprises an instantaneous stop instruction of the motor 18 of the satellite roller 13.
  • the third stop signal 29 also includes a parking instruction of the satellite roll 13 in a non-interfering position.
  • the fourth stop signal 31 is intended for the machine 1 and comprises a stop instruction of all the units of which the machine 1 is composed, located upstream and downstream of the press 2 and its feed station 4.
  • the feed station 4 preferably comprises accumulation means, in the form of a volume or a magazine 32 to accommodate the remainder of the band 3, during the transitional phase between the stop of the arrangement of 14 introduction and the judgment of the sensitive control 11.
  • the strip 3 is introduced and is placed in this store 32 until the complete stop sensitive control 11.
  • the store is 32 arranged in the upper part of the station 4.
  • This magazine 32 has an opening pointing downwards towards the loop control 13 and the sensitive control 11.
  • Mechanical protection means are provided at the feed station 4. These mechanical protection means are in the form of guide means 33 and barrier means 34.
  • the guide means 33 of the band 3 towards the magazine 32 are advantageously provided and oriented upwards so that the remainder of the band 3 slides in the direction of the opening of the magazine 32 and then enters this magazine 32.
  • means 33 are in the form of protective plates and guiding.
  • the barrier means 34 for the band 3 are favorably provided and oriented so that the remainder of the band 3 does not come into other parts of the station 4. These damming means 34 prevent the remaining band 3 damages the constituent parts of the feed station 4, and more particularly the loop control 14, the pressure roller 12, and the sensitive control 11.
  • the method for protecting the press 2 against the jamming of the strip 3 comprises several successive steps.
  • a first step, corresponding to the stuffing signal 24, consists of detecting the absence of the poses outlet 6 at the output of the press 2 by means of the cell 23, associated with the signal processing system 26.
  • a second step, corresponding to the first stop signal 27, consists in instantaneously stopping the motor 22 of the insertion arrangement 14, so as to prevent any entry of the band 3 into the press 2. Therefore, the The inside of the press 2 contains only the poses 6 which caused the stuffing. This jam is much easier to solve because the press 2 contains only cardboard remaining flat. With the stop of the motor 22 of the insertion arrangement 14, the press 2 is protected against the additional arrival of the band 3.
  • a third step corresponding respectively to the second and fourth stop signals 28 and 31, consists of stopping progressively by slowing the motor 17 of the responsive control 11 and simultaneously stopping the entire machine 1.
  • the method advantageously comprises an additional step of calculating a waiting time between the step of stopping the motor 22 of the insertion arrangement 14 and the step of stopping the motor 17 of the responsive control 11. This waiting and thus the band 3 scrolling gently stops scrolling the band 3 without breaking the band 3. This waiting also preserves the mechanical parts of the press 2 and station 4.
  • An additional step, corresponding to the third stop signal 29, is arranged at the same time as the step of stopping the motor 22 of the insertion arrangement 14 and before the step of stopping the motor 17 of the control 11.
  • This step consists in stopping the motor 18 of the loop control 13.
  • This step also consists in immediately placing the loop control with its satellite roller 13 in a park position.
  • the method comprises an additional step, arranged after the step of stopping the motor 22 of the insertion arrangement 14 and before the step of stopping the motor 17 of the responsive control 11.
  • This step consists in guiding the band 3 to the magazine 32, when the motor 17 of the responsive control 11 is still running, with the appropriate protection, guiding and damming means 33 and 34.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Making Paper Articles (AREA)
  • Advancing Webs (AREA)
  • Replacement Of Web Rolls (AREA)
EP11729064.3A 2010-07-14 2011-06-24 Procede de protection d'une unite de transformation d'un support en bande, station d'alimentation et machine de production d'emballages Active EP2593388B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11729064.3A EP2593388B1 (fr) 2010-07-14 2011-06-24 Procede de protection d'une unite de transformation d'un support en bande, station d'alimentation et machine de production d'emballages

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10007237 2010-07-14
PCT/EP2011/003106 WO2012007092A1 (fr) 2010-07-14 2011-06-24 Procede de protection d'une unite de transformation d'un support en bande, station d'alimentation et machine de production d'emballages
EP11729064.3A EP2593388B1 (fr) 2010-07-14 2011-06-24 Procede de protection d'une unite de transformation d'un support en bande, station d'alimentation et machine de production d'emballages

Publications (2)

Publication Number Publication Date
EP2593388A1 EP2593388A1 (fr) 2013-05-22
EP2593388B1 true EP2593388B1 (fr) 2019-05-22

Family

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Application Number Title Priority Date Filing Date
EP11729064.3A Active EP2593388B1 (fr) 2010-07-14 2011-06-24 Procede de protection d'une unite de transformation d'un support en bande, station d'alimentation et machine de production d'emballages

Country Status (8)

Country Link
US (2) US20130112728A1 (es)
EP (1) EP2593388B1 (es)
JP (1) JP5662572B2 (es)
KR (1) KR101453699B1 (es)
CN (1) CN102985346B (es)
ES (1) ES2731912T3 (es)
TW (1) TWI494261B (es)
WO (1) WO2012007092A1 (es)

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US10829327B2 (en) 2016-07-05 2020-11-10 Bobst Mex Sa Module for turning over folding packages and folding package production line incorporating such a module
WO2018007016A1 (en) * 2016-07-05 2018-01-11 Bobst Mex Sa Double-endless-belt conveyor, turnover module incorporating such a conveyor and folding package production line incorporating such a module
ES2755191T3 (es) * 2017-04-21 2020-04-21 Mespack S L Máquina formadora de envases flexibles para envasado horizontal y método de fabricación de los mismos
US20190016551A1 (en) 2017-07-14 2019-01-17 Georgia-Pacific Corrugated, LLC Reel editor for pre-print paper, sheet, and box manufacturing systems
US11449290B2 (en) 2017-07-14 2022-09-20 Georgia-Pacific Corrugated Llc Control plan for paper, sheet, and box manufacturing systems
US11520544B2 (en) 2017-07-14 2022-12-06 Georgia-Pacific Corrugated Llc Waste determination for generating control plans for digital pre-print paper, sheet, and box manufacturing systems
US10642551B2 (en) 2017-07-14 2020-05-05 Georgia-Pacific Corrugated Llc Engine for generating control plans for digital pre-print paper, sheet, and box manufacturing systems
US11485101B2 (en) 2017-07-14 2022-11-01 Georgia-Pacific Corrugated Llc Controls for paper, sheet, and box manufacturing systems

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Also Published As

Publication number Publication date
KR101453699B1 (ko) 2014-10-22
US20130112728A1 (en) 2013-05-09
CN102985346B (zh) 2015-07-29
JP5662572B2 (ja) 2015-02-04
JP2013536136A (ja) 2013-09-19
ES2731912T3 (es) 2019-11-19
US20170057771A1 (en) 2017-03-02
EP2593388A1 (fr) 2013-05-22
CN102985346A (zh) 2013-03-20
US10829331B2 (en) 2020-11-10
WO2012007092A1 (fr) 2012-01-19
KR20130057457A (ko) 2013-05-31
TW201206770A (en) 2012-02-16
TWI494261B (zh) 2015-08-01

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