EP3248920A1 - Verfahren zum abschneiden und herstellen einer stossverbindung zwischen zwei bändern und zum stoppen einer abwickelmaschine, abschneide- und verbindungsvorrichtung und maschine, die mit einer solchen vorrichtung ausgestattet ist, die die umsetzung dieses verfahrens ermöglicht - Google Patents

Verfahren zum abschneiden und herstellen einer stossverbindung zwischen zwei bändern und zum stoppen einer abwickelmaschine, abschneide- und verbindungsvorrichtung und maschine, die mit einer solchen vorrichtung ausgestattet ist, die die umsetzung dieses verfahrens ermöglicht Download PDF

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Publication number
EP3248920A1
EP3248920A1 EP17305574.0A EP17305574A EP3248920A1 EP 3248920 A1 EP3248920 A1 EP 3248920A1 EP 17305574 A EP17305574 A EP 17305574A EP 3248920 A1 EP3248920 A1 EP 3248920A1
Authority
EP
European Patent Office
Prior art keywords
cutting
band
downstream
strip
upstream
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.)
Granted
Application number
EP17305574.0A
Other languages
English (en)
French (fr)
Other versions
EP3248920B1 (de
Inventor
Bernard Muller
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.)
Monomatic (societe Par Actions Simplifiee)
Original Assignee
Monomatic (societe Par Actions Simplifiee)
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Publication date
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Publication of EP3248920A1 publication Critical patent/EP3248920A1/de
Application granted granted Critical
Publication of EP3248920B1 publication Critical patent/EP3248920B1/de
Active legal-status Critical Current
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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
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1842—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact
    • B65H19/1852—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact taking place at a distance from the replacement roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/102—Preparing the leading end of the replacement web before splicing operation; Adhesive arrangements on leading end of replacement web; Tabs and adhesive tapes for splicing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/107—Processing the trailing end of the replaced web after splicing operation, e.g. rewinding it
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/14—Accumulating surplus web for advancing to machine while changing the web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1857—Support arrangement of web rolls
    • B65H19/1873—Support arrangement of web rolls with two stationary roll supports carrying alternately the replacement and the expiring roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/20—Cutting-off the expiring web
    • 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
    • B65H2301/46—Splicing
    • B65H2301/461—Processing webs in splicing process
    • B65H2301/4615—Processing webs in splicing process after splicing
    • B65H2301/4617—Processing webs in splicing process after splicing cutting webs in splicing process
    • B65H2301/46176—Processing webs in splicing process after splicing cutting webs in splicing process cutting both spliced webs simultaneously
    • 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
    • B65H2301/46—Splicing
    • B65H2301/461—Processing webs in splicing process
    • B65H2301/4615—Processing webs in splicing process after splicing
    • B65H2301/4617—Processing webs in splicing process after splicing cutting webs in splicing process
    • B65H2301/46178—Processing webs in splicing process after splicing cutting webs in splicing process cutting by transversally moving element
    • 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
    • B65H2301/46—Splicing
    • B65H2301/462—Form of splice
    • B65H2301/4622—Abutting article or web portions, i.e. edge to edge
    • 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
    • B65H2301/46—Splicing
    • B65H2301/462—Form of splice
    • B65H2301/4622—Abutting article or web portions, i.e. edge to edge
    • B65H2301/46222—Abutting article or web portions, i.e. edge to edge involving double butt splice, i.e. adhesive tape applied on both sides of the article or web portions
    • 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
    • B65H2301/46—Splicing
    • B65H2301/462—Form of splice
    • B65H2301/4625—Slanted
    • 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
    • B65H2301/46—Splicing
    • B65H2301/463—Splicing splicing means, i.e. means by which a web end is bound to another web end
    • B65H2301/4631—Adhesive tape
    • B65H2301/46314—Pieces of adhesive tape, e.g. labels
    • 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
    • B65H2301/46—Splicing
    • B65H2301/464—Splicing effecting splice
    • B65H2301/4641—Splicing effecting splice by pivoting element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the present invention relates to the field of machines for unwinding strip materials from reels for feeding unrolling machines, especially forming machines such as printing machines, cutters or folder-gluers, and for object a method of cutting and connecting two strips end to end and stopping in a machine unwinding and cutting and connecting device for carrying out said method. It also relates to a unwinding machine equipped with such a device.
  • a unrolling machine generally comprises two reel members respectively carrying a finishing web reel, i.e. a web feeding a downstream converting machine and a reel of new tape intended to be connected end-to-end. end with the finishing band at the end of the course of the latter to ensure the continuity of the strip supply downstream of the machine.
  • a finishing web reel i.e. a web feeding a downstream converting machine and a reel of new tape intended to be connected end-to-end. end with the finishing band at the end of the course of the latter to ensure the continuity of the strip supply downstream of the machine.
  • connection of the finishing strip with the beginning of the new strip is generally performed during a temporary stop of the unwinding machine, the finishing strip, to ensure the continuity of the unwinding during this provisional period, passing in a tape reserve disposed between the output of the unwinding machine and the downstream processing machine.
  • each connection assembly has a plate provided, on the one hand, with a transverse slit inclined with respect to the horizontal, in which is mounted, displaceable by means of a actuator or linear motor, a cutting device, and, secondly, several rows of air suction holes, or clamps, these holes or clamps being arranged, on the one hand, from and other of the slot and, on the other hand, parallel to the lower edge of the plate, which is further mounted along one of its horizontal edges, preferably along its lower edge, pivotally on the box, the pivot axis of the plate simultaneously forming the support of return rollers of the strip to unroll.
  • the document FR 2 930 534 proposes a device of cut and sticking end to end making it possible to reduce the time of connection while guaranteeing a perfect connection.
  • a device for a unwinding machine comprising two coils and consisting essentially of two reel elements carrying said coils and capped at their upper part by a bridge structure which can receive a strip accumulator and by two sets of connection strips at a standstill, each assigned to a reel holder element and arranged symmetrically with respect to the axis of unwinding strips or plane containing said axis.
  • each connection assembly also known as a connection box or a half-connection cassette, comprises a station for preparing and transferring a seal, a holding and cutting device for the new band or of the finishing band and possibly means for moving the band connection assemblies towards and away from each other.
  • a machine of this type requires moving apart or moving away, by translation or rotation, from one another, the two connection assemblies, to carry out the preparation step, in order to create a zone of sufficiently large passage between said sets and / or around them to allow the passage of an operator so that the latter can achieve the preparation. It results from this spacing or removal, the need to provide a large range of deflection area which results in a large size of the machine.
  • the document FR 2,332,115 relates to a two-band butt-joining apparatus for putting a new web at the end of a finishing web and having web ends to be joined by a web are located in the same plane and separated by a short distance. It comprises clamping means comprising a clamping piece comprising an end-to-end control bar and cutting and assembly means mounted on carriages movable along an elongated bar. It also includes an accumulation device to temporarily stop the band during the connection time.
  • a device of the type disclosed by the document FR 2332 115 or the method implemented by such an apparatus requires the use of a coil positioning device so that the new band is always on the same side of the unwinding tape.
  • this type of device requires a second cut to cut a thin strip at the end of the new strip and remove it in order to leave room for the adhesive for the end-to-end connection.
  • the connection is made with a single adhesive or seal, that is to say only with a single piece of adhesive tape, applied on one of the sides or faces of the strips This does not allow for an efficient and strong connection for a thick material because, by passing on a guide roller or driving the tape, the adhesive can be damaged or torn off.
  • the object of the present invention is to overcome at least one of these drawbacks by proposing a method of cutting and connecting two butt strips and stopping in a machine to unroll, a device for cutting and connecting two end-to-end and stop belts for a machine for unrolling which makes it possible to carry out said method, and a machine for unrolling equipped with such a device, making it possible in particular to obtain a simpler preparation and a reduced bulk of the device; of the machine while ensuring that the connection is kept intact.
  • the device for cutting and connecting two strips end-to-end and stopped, according to the present invention, for unwinding machine allowing the implementation of the method according to the invention, said machine comprising said cutting device and connection and two reel members each adapted to carry a reel capable of unwinding a first web supply strip of the machine or a second web forming a replacement web
  • said cutting and connecting device comprising two connection assemblies arranged symmetrically with respect to a sectional and connecting plane and the two reel elements being disposed on either side of said plane
  • a transverse section system comprising a cutting member and displacement means adapted to move said cutting member in the cutting and connecting plane in a direction and a line of c cross-section, substantially perpendicular or oblique with respect to the longitudinal edges, having the effect of simultaneously cutting the two strips, maintained in the state of immobilization in said plane, crossing successively their respective two longitudinal edges, and in that each connection assembly, dedicated to one or the other of said strips, comprises an adhesive application system comprising an application support
  • the unwinding machine comprising a cutting and connecting device and two reel elements each capable of carrying a reel able to unwind a first web supplying the machine with webbing or a reel capable of unrolling a second web forming a replacement web
  • said cutting and connecting device consists of a web cutting and connecting device according to the present invention and, preferably, in that it comprises a strip accumulator situated downstream of the cutting and connecting device and being able to be filled with a given length of first strip, before stopping and stopping the latter in the cutting and connecting device, and to ensure the continuity of the downstream supply during connection and immobilization of the first band in said device.
  • the figures show the implementation of the method of cutting and connecting two strips end-to-end and stopping in a unwinding machine comprising a cutting and connecting device, according to the present invention, and two reel elements. .
  • one of the reel-carrying elements carries a reel 3a able to unroll a first web 2a supplying the machine web feed and the other reel-carrying member carrying a reel 3b able to unroll a machine.
  • second band 2b forming a replacement band, each band 2a, 2b having two opposite longitudinal edges and two opposite sides.
  • the cutting and connecting device comprises two connection assemblies 1a, 1b arranged symmetrically with respect to a cutting and connecting plane P and is capable of simultaneously and transversely cutting the two strips 2a, 2b into each other.
  • said plane in a direction and a line of section successively passing through the two longitudinal edges of each strip, perpendicularly or at an angle to them.
  • each connection assembly comprises a mobile application support 50a, 50b.
  • the two reel-carrying elements namely a first reel carrier and a second reel carrier, can be arranged, as is the case in the accompanying figures, on either side of the cutting and connecting plane P or, in a variant, not shown in the accompanying figures, on the same side but with return rollers located on either side of the latter.
  • step h / the or each piece of adhesive tape 6a or 6b can be transferred into the connection zone in a single translatory or rotational movement from a waiting position in the corresponding connection assembly to a connection position located in the connection area in the cutting and connecting plane P ( figures 4 and 5 ).
  • the clearance of the downstream band portion 20b cut off from the second band 2b can be achieved by a downstream movement ( figures 4 and 5 ) or lateral (not shown) of said downstream strip portion 20b cut.
  • the clearance of the upstream strip portion 21a cut from the first strip 2a can be achieved by a winding (represented by E on the figure 3 ) of the latter around its coil 3a ( figure 3 ) and / or, in a form not shown, by the gravity and / or blowing and / or by any other suitable means of release.
  • a winding represented by E on the figure 3
  • the portion of upstream strip 21a cut off will be released by moving naturally, after cutting, by its weight falling under the effect of gravity (component of the force of gravity).
  • the winding of the upstream band portion 21a to achieve the clearance thus allows a total clearance of the strip portion 21 has cut the first strip 2a outside the cutting device and connection.
  • each connection assembly 1a or 1b may further comprise, as we shall see later, a system a tape bend rectifier 11a or 11b having a rectifying contact element 110a or 110b ( figures 1 , 2 , 3 , 4 , 5 , 7 ), in step h / and in the case where the first band 2a and / or the second band 2b are curved with their opposite sides having a convex curvature, to successively transfer, in the connection zone, the two pieces of ribbon adhesive 6a and 6b, namely, in a first step, according to the orientation of the convexity of the curvature, the piece of adhesive tape 6a or 6b carried by the application support 50a or 50b located on the side of the convex curvature, and straightening the curvature of the first band 2a and / or the second band 2b, to make the latter as flat
  • the displacement means for the application 51a, 52a, 51b, 52b may be able to move the corresponding application support 50a, 50b in a single translational or rotational movement from its position. waiting towards its application position.
  • said displacement means for the application may consist, as can be seen in the figures and more particularly on the figure 7 , in a lever system which can comprise, on the one hand, a drive rod 51a, 51b on which can be fixed the corresponding application support 50a, 50b and which can be adapted to pivot about a first pivot 510a , 510b parallel to the cutting plane and P connection and, secondly, an actuator 52a, 52b adapted to act on said rod to achieve its pivoting.
  • said actuator may consist of a jack comprising a rod 520a, 520b hinged at its end to said connecting rod around a second pivot 521a, 521b, while the body 522a, 522b of the jack can be pivotally mounted around a third pivot 523a, 523b parallel to said first and second pivots.
  • this embodiment requires less space or clearance to implement it with another means of displacement, in particular by translation, which allows to put all elements in a smaller and less bulky space.
  • Each adhesive application system 5a, 5b may further comprise displacement means for the preparation 53a, 54a or 53b, 54b able to move the corresponding application support 50a or 50b from a preparation position located at the outside of the cutter and connection device, that is to say in particular outside the connection assembly 1a or 1b corresponding, and provided to receive, that is to say to receive manually or automatically to the using a gripping means and not shown laying, a piece of adhesive tape 6a or 6b to the waiting position in the corresponding connection assembly 1a, 1b and vice versa (all figures and in particular figure 7 ).
  • Each application support 50a or 50b may comprise an external application face against which the piece of adhesive tape 6a or 6b concerned may be applied.
  • the displacement means for the application 51a, 52a, 51b, 52b are able to move the corresponding application support 50a, 50b in a single rotational or pivoting movement
  • the outer face of application of each support which is parallel to the cutting and connecting plane P in the application position can be inclined, in the waiting position, due to rotation, with respect to the cutting and connecting plane P, and maintain this inclination in the preparation position by the aforementioned translational movement, which facilitates the installation and application of the piece of adhesive tape 6a or 6b concerned by the operator outside connection sets or simplify the operation of the cutting and connecting device, unlike a system that would maintain an orientation of the outer face of application parallel to the cutting plane and connection or would require a change of orientation of said face between the waiting position where it would be parallel to the cutting plane and connection and the position of preparation.
  • the first immobilization system 7a or 7b, 8, 10a or 10b, 10c of each assembly may comprise first downstream immobilization means 7a, 7b able to carry out a holding pressure, preferably a holding pressure by clamping, on the downstream portion of the first strip 2a located downstream of the cutting line and, if appropriate, upstream immobilizing means 10a, 10b, 10c able to carry out a holding pressure, preferably a clamping holding pressure, on the upstream band portion 21a of the first band 2a located upstream of the section line.
  • downstream immobilization means 7a, 7b may form first downstream immobilization means and the cutting and connecting device may further comprise second downstream immobilization means 8 able to carry out a pressure. additional support on the first band 2a downstream of said first downstream immobilization means.
  • the second immobilization system 9a, 9b, 10a, 10b, 10c may comprise, on the one hand, downstream immobilization means 9a, 9b able to carry out a holding pressure, preferably a clamping holding pressure, on the downstream band portion 20b of the second band 2b, preferably at its free end, to hold the latter in the preparation position and, on the other hand, upstream immobilization means 10a, 10b, 10c able to carry out a holding pressure, preferably a clamping holding pressure, on the upstream band portion 21b of the second strip 2b located upstream of the cutting line for immobilizing said second strip 2b in the cutting and connecting plane P and for keeping its upstream band portion 21b cut in said plane for its connection with the downstream band portion 20a cut from the first band 2a.
  • said upstream immobilizing means of the second band 2b can also form the upstream immobilization means of the first band 2a.
  • the upstream immobilizing means 10a, 10b, 10c of the second immobilization system 9a, 9b, 10a, 10b, 10c may be able to carry out a clamping holding pressure and may comprise for this purpose, on the one hand, a holding lateral plate 100a, 100b movable having a holding lateral face 101a, 101b parallel to the cutting and connecting plane P and an actuator 102a, 102b able to act on said holding lateral plate to move it in translation in a perpendicular direction to said cutting and connecting plane P and, secondly, a central holding plate 10c common to the two connection assemblies 1a, 1b and comprising two opposite central holding faces 100c, 101c and each respectively arranged opposite the one of the lateral support faces 101a, 101b of one of the lateral holding plates 100a, 100b, so that it is possible to carry out gripping holding pressures, under the action of said action on the two opposite sides of the second band 2b, where appropriate on the two opposite faces of the first band 2a, passing between one of
  • Each holding actuator 102a or 102b may be of the hydraulic or pneumatic cylinder type and may comprise a rod connected at its free end to the face 103a or 103b of the corresponding lateral retaining plate 100a or 100b opposite its holding side face 101a or 101b.
  • Each connection assembly may further comprise a tape bend rectifier system 11a or 11b including a tape bend rectifying member 110a or 110b having a face contact 111a or 111b, preferably with a smooth surface, and an actuator 112a or 112b adapted to act on the latter to move it from a rest position to a working position, substantially in the plane of section and connection P, with its contact face 111a or 111b extending, preferably symmetrically, on either side of the section line, in which working position it is able to come into contact with pressure on one of the sides portions of cut strips 20a and 21b to connect first and second strips 2a and 2b.
  • the side on which the contact face 111a or 111b comes into contact is that which is opposite to their side having a convex portion in the case where said strip portions have a curved shape, so as to make them as flat as possible to avoid any connection problems later.
  • the belt curvature rectifying element 11a or 11b may furthermore form a counterpart for cutting and may comprise for this purpose a slot forming a passage for the cutter 40.
  • the cutting member 40 may consist of a blade having a cutting edge extending transversely to the cutting and connecting plane P, preferably substantially perpendicular to the latter. More particularly, the cutting blade will be chosen with a shape and / or a material adapted to the material to be cut. In other variants, not shown, of the cutting member 40, it may consist, for example, in a rotary blade, a laser beam or a high pressure jet.
  • the clearance system 3a, 12a or 12b may comprise, on the one hand, means for the downstream clearance 12a or 12b of the downstream strip portion 20b cut off from the second strip 2b, which is not intended to be connected, the said downstream clearance means 12a. or 12b being able to release said downstream band portion 20b of the second band 2b by a driving effect in displacement of the latter downstream and, on the other hand, upstream clearance means 3a of the band portion upstream 21a of the first band 2a not intended to be connected.
  • the upstream clearance means may consist of the coil 3a capable of unwinding the upstream strip portion 21a cut from the first strip 2a and / or in gravity and / or blowing means and / or in any other means capable of disengaging the upstream band portion 21a of the first band 2a of the connection zone.
  • the downstream clearance means 12a or 12b of each downstream clearance system 12a or 12b may comprise a displacement drive plate 120a or 120b, preferably a sheet, preferably oriented substantially perpendicularly to the cutting and connecting plane P, having two opposite sides, namely a downstream side and upstream side, displacement guiding means 123a, 123b, preferably in translation or pivoting from upstream to downstream and actuating means 121a, 122a or 121b, 122b able to act on said plate to move it downstream, preferably with a translational and / or pivoting movement ( figures 1 , 2 , 3 , 4 , 5 , 6 ).
  • Such displacement guiding means 123a or 123b may consist, preferably, in a hinge allowing pivotal movement ( figures 1 , 2 , 3 , 4 , 5 , 6 ) or, not shown, in sliding elements for guiding the plate in translation downstream or upstream parallel to the cutting plane and connection P.
  • Such actuating means 121a, 121b or 122a, 122b of the clearance means 12a or 12b of each cutting and connecting assembly 1a or 1b may comprise an actuator 122a or 122b, for example of the hydraulic or pneumatic cylinder type, the rod terminates with a contact piece and thrust 121a or 121b coming into contact with the upstream side of said plate so as to carry a thrust downstream of the latter at the exit of the rod.
  • the contact piece 121a or 121b does not necessarily need to be attached to the articulating drive plate 120a or 120b or hinged thereto. Indeed, in a vertical orientation of the cutting plane and connection P retraction of the rod will naturally result in the effect of gravity a downward movement of the plate to its rest position.
  • the present invention may provide for attaching or articulating the rod to said plate or may provide a means of reminder to automatically bring back under the effect of the restoring force the plate towards its rest position when the rod is retracted ( figures 1 , 2 , 3 , 4 , 5 and 6 ).
  • the unrolling machine comprises a cutting and connecting device and two reel-carrying elements each able to carry a reel 3a able to unroll a first web 2a providing the belt feed of the machine or a suitable reel 3b unrolling a second band 2b forming a replacement band.
  • the cutting and connecting device consists of a cutting and connecting device according to the present invention.
  • such unwinding machine may further comprise a tape accumulator located downstream of the cutting and connecting device and being able to be filled with a given length of first tape 2a, before stopping. and immobilizing the latter in the cutting and connecting device, and ensuring the continuity of the downstream power supply during connection and immobilization of the first band 2a in said device.
  • Such a tape accumulator which cap the connection assemblies, for example by a bridge structure, or being located downstream thereof, will be filled before stopping and immobilization of the first band 2a upstream of the accumulator, for example of the type described in the document FR 2 930 534 , makes it possible to ensure the continuity of the power supply during the connection which stops the unwinding of the first band 2a supplying the machine.
  • Each reel holder may be located on one side or the other of the cutting and connecting plane P as is the case in the accompanying figures or on the same side as the other reel holder, with rollers of referred to on both sides of the plan.

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EP17305574.0A 2016-05-24 2017-05-18 Verfahren zum abschneiden und herstellen einer stossverbindung zwischen zwei bändern und zum stoppen einer abwickelmaschine, abschneide- und verbindungsvorrichtung und maschine, die mit einer solchen vorrichtung ausgestattet ist, die die umsetzung dieses verfahrens ermöglicht Active EP3248920B1 (de)

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FR1654645A FR3051781B1 (fr) 2016-05-24 2016-05-24 Procede de coupe et de raccordement de deux bandes bout a bout et a l'arret dans une machine a derouler, dispositif de coupe et de raccordement et machine equipee d'un tel dispositif permettant la mise en œuvre dudit procede

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EP3248920A1 true EP3248920A1 (de) 2017-11-29
EP3248920B1 EP3248920B1 (de) 2019-01-30

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EP17305574.0A Active EP3248920B1 (de) 2016-05-24 2017-05-18 Verfahren zum abschneiden und herstellen einer stossverbindung zwischen zwei bändern und zum stoppen einer abwickelmaschine, abschneide- und verbindungsvorrichtung und maschine, die mit einer solchen vorrichtung ausgestattet ist, die die umsetzung dieses verfahrens ermöglicht

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US (1) US10486930B2 (de)
EP (1) EP3248920B1 (de)
ES (1) ES2719605T3 (de)
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Cited By (1)

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CN111392472A (zh) * 2020-02-21 2020-07-10 宁波信泰机械有限公司 一种自动接膜机构

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US10457512B2 (en) 2016-09-19 2019-10-29 New Era Converting Machinery, Inc. Automatic lapless butt material splice
IT201800002504A1 (it) * 2018-02-08 2019-08-08 Gambini Spa Apparato e metodo per lo svolgimento di bobine e per la giunzione di un velo tra due bobine.
US11459201B2 (en) * 2019-04-15 2022-10-04 Sandar Industries, Inc. High speed paper web turn-up system with a prepared length paper band coil
EP4112517A1 (de) * 2021-02-09 2023-01-04 Wuxi Lead Intelligent Equipment Co., Ltd. Rollenwechselvorrichtung und klebebandklebevorrichtung
KR20220122076A (ko) * 2021-02-26 2022-09-02 에스케이온 주식회사 공급소재 자동교체장치 및 자동교체방법
CN113753638A (zh) * 2021-09-27 2021-12-07 远景动力技术(江苏)有限公司 自动换卷装置
US11858767B2 (en) 2021-11-01 2024-01-02 Papeltec Overseas, Inc. Methods and apparatus for a turn-up procedure using an adhesive paperband composite
WO2024044856A1 (en) * 2022-08-31 2024-03-07 Abzac Canada Inc. Splicing apparatus and method for a paperboard protective corner manufacturing system

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Publication number Priority date Publication date Assignee Title
FR2332115A1 (fr) 1975-11-19 1977-06-17 Agfa Gevaert Appareil a assembler bout a bout une nouvelle bande a une bande finissante
FR2618769A1 (fr) 1987-07-29 1989-02-03 Monomatic Sa Machine a derouler des bandes comportant des tours porte-bobines
FR2679541A1 (fr) * 1991-07-24 1993-01-29 Monomatic Sa Dispositif de coupe et de collage bout a bout pour machine a derouler.
FR2930534A1 (fr) 2008-04-24 2009-10-30 Monimatic Soc Par Actions Simp Procede et dispositif de coupe et de collage bout a bout pour machine a derouler

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Publication number Priority date Publication date Assignee Title
FR2750968B1 (fr) * 1996-07-12 1999-02-26 Alaimo Andre Dispositif de collage de bandes en continu

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2332115A1 (fr) 1975-11-19 1977-06-17 Agfa Gevaert Appareil a assembler bout a bout une nouvelle bande a une bande finissante
FR2618769A1 (fr) 1987-07-29 1989-02-03 Monomatic Sa Machine a derouler des bandes comportant des tours porte-bobines
FR2679541A1 (fr) * 1991-07-24 1993-01-29 Monomatic Sa Dispositif de coupe et de collage bout a bout pour machine a derouler.
FR2930534A1 (fr) 2008-04-24 2009-10-30 Monimatic Soc Par Actions Simp Procede et dispositif de coupe et de collage bout a bout pour machine a derouler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111392472A (zh) * 2020-02-21 2020-07-10 宁波信泰机械有限公司 一种自动接膜机构

Also Published As

Publication number Publication date
FR3051781A1 (fr) 2017-12-01
US20170341894A1 (en) 2017-11-30
ES2719605T3 (es) 2019-07-11
EP3248920B1 (de) 2019-01-30
FR3051781B1 (fr) 2018-05-11
US10486930B2 (en) 2019-11-26

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