WO2024028168A1 - Dispositif et procédé de raccordement de bandes de matériau continues - Google Patents

Dispositif et procédé de raccordement de bandes de matériau continues Download PDF

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Publication number
WO2024028168A1
WO2024028168A1 PCT/EP2023/070604 EP2023070604W WO2024028168A1 WO 2024028168 A1 WO2024028168 A1 WO 2024028168A1 EP 2023070604 W EP2023070604 W EP 2023070604W WO 2024028168 A1 WO2024028168 A1 WO 2024028168A1
Authority
WO
WIPO (PCT)
Prior art keywords
material web
web
jaw
outgoing
new material
Prior art date
Application number
PCT/EP2023/070604
Other languages
German (de)
English (en)
Inventor
Arnd Meier
Axel Henning
Matthias Horn
Michael Haul
Original Assignee
Körber Technologies Gmbh
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 Körber Technologies Gmbh filed Critical Körber Technologies Gmbh
Publication of WO2024028168A1 publication Critical patent/WO2024028168A1/fr

Links

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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of 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
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • 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
    • B65H2301/462—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
    • B65H2301/463—Splicing splicing means, i.e. means by which a web end is bound to another web end
    • B65H2301/4631—Adhesive tape
    • 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
    • B65H2301/46412—Splicing effecting splice by element moving in a direction perpendicular to the running direction of the 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
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • 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
    • B65H2801/72—Fuel cell manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane

Definitions

  • the present invention relates to a device for connecting finite material webs for the energy cell producing industry according to the preamble of claim 1 and a corresponding method according to the preamble of claim 11.
  • Energy cells or energy storage devices within the meaning of the invention are used, for example, in motor vehicles, other land vehicles, ships, aircraft or in stationary systems, such as in the form of battery cells or fuel cells, in which very large amounts of energy have to be stored over longer periods of time.
  • energy cells have a structure made of materials layered one on top of the other, which generally consist of an anode material on a conductor foil and a cathode material on a conductor foil and a separator foil, the separator foil being arranged between the anode material and the cathode material.
  • Such a material composite can be present in an energy cell in a stacked, rolled or folded arrangement.
  • the materials for the anode, cathode and separator are processed as material webs wherever possible.
  • the material webs which can be semi-finished products or intermediate products, are usually delivered as bobbins or coils or transported in this form between different systems. Bobbins inevitably have a limited track length.
  • process memories or buffer memories are known, which represent a buffer so that the connection of two material webs to achieve an endless web can be established while the further production process is operated with the material web from the buffer memory.
  • increasing production speeds in the manufacture of energy cells, such as Li-ion batteries cannot be compensated for by ever larger buffer storage, so the connection process must be carried out as quickly as possible.
  • connection points between two material webs in the endless web can be problematic in the further course of the process, so that the connection points should deviate as little as possible from the other parts of the material web.
  • a device for connecting finite material webs for the energy cells, in particular battery cells will be produced.
  • a connecting device with at least one adhesive applicator which is set up to connect an outgoing material web to a new material web
  • a feed device which is set up to feed the outgoing material web and the new material web, each of which runs from a reel, to the connecting device is.
  • the connecting device has a first jaw and a second jaw, which are designed to apply a clamping force to an overlapping section of the outgoing and new material web provided by the feed device.
  • the connecting device has a cutting device which is set up to cut the outgoing material web and the new material web, which are subjected to a clamping force between the jaws, in a common cut through the overlapping section for producing the end of the web of the outgoing material web and the beginning of the web of the new material web.
  • the first jaw is designed to hold the end of the running material web and the beginning of the new material web for application of an adhesive by the adhesive applicator using negative pressure when the clamping force of the jaws is released.
  • the devices preferably have a buffer memory or process memory for the outgoing material web. Due to the short interruption in the conveyance of the endless material web during the static production of the connection, the buffer storage can be made smaller and/or the conveying speed of the endless material web can be increased and thus the production speed for the production of energy cells can also be increased.
  • the proposed device is suitable for producing a so-called static splice, in which the conveying speed is temporarily reduced to zero during the production of the connection by the adhesive.
  • the device enables the running material web to be connected to the new material web in abutting manner, so that there is no overlap of the two material webs at the connection point.
  • the joint or connection point between the outgoing material web and the new material web can be carried out very precisely by cutting together.
  • the end of the web and the beginning of the web are designed to correspond in shape to each other thanks to the common cut.
  • the common cut is not carried out perpendicular to the edges of the material webs, for example, but rather, for example, at an angle not equal to 90° to the edges, whereby the running behavior of the material web over subsequent deflection rollers can be improved.
  • the amount of material applied by the adhesive strip is comparatively low.
  • the device is particularly suitable for comparatively thick material webs of an energy cell, in which for example a conductor foil coated with anode or cathode material.
  • the connecting device is set up to bring the web end of the new material web into contact at the end face with the corresponding web end of the outgoing material web when the adhesive is applied by the at least one adhesive applicator.
  • the adhesive for example an adhesive strip
  • the adhesive is preferably stuck onto an uncoated side of the material webs, for example a conductor foil coated with anode or cathode material.
  • the adhesive can be glued to both sides of the material webs, so that a very resilient connection of the outgoing material web with the new material web can be achieved.
  • the adhesive can, for example, be applied over the entire width of the material web, or in alternative embodiments the adhesive can be applied with interruptions or intermittently, for example in order to leave out areas for a later longitudinal cut of the material web.
  • the proposed device in particular enables a fully automatic connection process of two finite material webs for the production of energy cells, in particular batteries.
  • the second jaw is set up to hold the end of the running material web by means of negative pressure
  • the first jaw is set up to hold the start of the new material web by means of To maintain negative pressure
  • the connecting device being set up to move the start and end of the web apart and back together again perpendicular to the web plane.
  • the first jaw is set up to hold the web end of the outgoing material web and the beginning of the new material web for application of an adhesive by the adhesive applicator by means of negative pressure when the clamping force of the jaws is released, and the free end faces of the web start and the web end to keep one behind the other.
  • first and/or the second jaw each comprise two suction zones which can be subjected to negative pressure independently of one another.
  • the suction zones of a jaw are preferably separated in the area of the cutting device and/or in the area of the common cut.
  • the suction zones of the jaws are preferably like this separated that the cutting device can carry out the common cut through the overlapping area through the separation area.
  • the cutting device can, for example, have a cutting knife. In this way, both parts of the outgoing material web and the new material web can be fixed separately from one another with pressure or not fixed after the common cut, which enables separate handling of the individual parts.
  • a first suction zone of the first suction jaw is assigned to the part in the conveying direction of the outgoing material web; a second suction zone of the first suction jaw is assigned to the part of the outgoing material web facing the feed device; a first suction zone of the second suction jaw is assigned to the part in the conveying direction of the new material web; and a second suction zone of the second suction jaw is assigned to the part of the new material web facing the feed device.
  • the part in the conveying direction of the outgoing material web and the new material web is therefore each assigned to a first suction zone.
  • the part in the conveying direction continues to face the systems and/or machines in the product stream that are to be supplied with an endless web of material for the production of energy cells.
  • a buffer storage is provided in the conveying direction after the connecting device, for example between the connecting device and other machines and/or systems for producing energy cells.
  • the surfaces of the first and second suction zones of each jaw lie in a common plane.
  • the cutting device is formed by a cutting knife, the cutting plane of which runs between the first and second suction zones of the first and second suction jaws.
  • a sensor device is provided with which the orientation of the outgoing material web can be detected, with a control device being set up to align the second suction jaw based on the information from the sensor device depending on the orientation of the outgoing material web.
  • the alignment of the new material web can be measured relative to the device, whereby the new material web can be aligned not only with the running material web without edge offset, but in possible embodiments also with the device itself, so that the connected material web is as defined and as possible constant position from the device for connecting the material webs can be carried out.
  • the control device can, for example, adjust the edge offset of an edge of the tapering Minimize the material web and the corresponding edge of the new material web by controlling it.
  • the control unit which, for example, controls an actuating unit on the first or second jaw, can therefore preferably control or regulate the edge offset to zero. A possible edge offset or a corresponding difference can thus be compensated for.
  • control unit can, for example, control or regulate the edge offsets on one or both edges of the material webs to an edge offset within a predetermined tolerance.
  • edge offsets on one or both edges of the material webs can be avoided by the proposed device, whereby subsequent processes in the production of energy cells can be carried out without any problems in this regard and/or can be designed with low error tolerances.
  • the end of the outgoing material web and the beginning of the new material web can be connected to one another by the adhesive applicator.
  • the adhesive applicator can, for example, create a corresponding connection of the material webs on one side.
  • the adhesive applicator can create a connection between the outgoing and the new material web on both sides.
  • a further adhesive applicator can be provided, so that an adhesive applicator is provided and set up on one side of the material webs for producing the connection between the outgoing and the new material webs.
  • the at least one adhesive applicator is set up to connect the end of the outgoing material web and the beginning of the new material web to one another by applying an adhesive strip.
  • the amount of material applied by the adhesive strip can be kept comparatively low.
  • the device for connecting finite material webs is particularly suitable for comparatively thick material webs of an energy cell, for example a conductor foil coated with anode or cathode material.
  • the feed device comprises a first bobbin holder and a second bobbin holder.
  • a bobbin can therefore run on one bobbin holder and a bobbin can be exchanged on the other bobbin holder and prepared for a connection.
  • the first and second bobbin holders are preferably arranged on a turntable, so that the bobbin from which the material web is conveyed and runs can be held in the same position in the feed device regardless of a bobbin change and the connection of the material webs.
  • Fig. 1 shows a device for connecting material webs during threading
  • Fig. 3 shows a device for connecting material webs with the outgoing web stopped
  • FIG. 6 shows a device for connecting material webs when transferring the outgoing material web
  • FIG. 10 shows a device for connecting material webs with a sucked-in, one-sidedly connected material web
  • FIG. 11 shows a device for connecting material webs when applying a second adhesive
  • Fig. 14 is a schematic representation of a feed device of a device for connecting material webs with two bobbins on a turntable.
  • FIG. 1 shows a schematic representation of an exemplary embodiment of a device 10 for connecting an outgoing material web 13 with a new material web 13.
  • the outgoing material web 13 is conveyed by a bobbin 15 of the feed device 12 in the conveying direction illustrated by the arrow.
  • a further bobbin 15 is placed in the feed device 12, from which a new material web 14 is unrolled, which is to be connected to the outgoing material web 13 by the device 10 for producing an endless material web 13, 14.
  • Both material sheets 13, 14 are guided through the connecting device 11, which has a first jaw 17 on one side of the two material webs 13, 14, on the right in the illustration, and a second jaw 18, on the left in the illustration, on the other side of the two material webs 13, 14 , exhibit.
  • the jaws 17, 18 are each divided transversely to the conveying direction into two separate suction zones, a first suction zone 24, 26 and a second suction zone 25, 27, with the first suction zones 24, 26 lying in the conveying direction, ie on the side of the connecting device 11 Material web 13 the device
  • the second suction zones 25, 27 are located on the side of the reel 15 from which the material webs 13, 14 are unrolled.
  • FIGS. 1 to 12 Different operating states of the device 10 are shown in FIGS. 1 to 12.
  • the outgoing material web 13 is conveyed between the first and second jaws 13, 14 in the conveying direction, see arrow.
  • the new material web 14 from a new reel 15 is also threaded or introduced into the connecting device 11 between the first and second jaws 17, 18 by the feed device 12. This feeding of the new material web 14 between the first and second jaws 17, 18 can take place either via gravity or via an active element.
  • the outgoing material web 13 can stand still or be conveyed during this threading process of the new material web 14.
  • the new material web 14 is introduced parallel to the outgoing material web 13, so that both material webs 13, 14 are parallel in an overlapping section 19 in the connecting device
  • the first and second jaws 17, 18 are spaced apart from one another in this operating state.
  • the next step is shown schematically in Figure 2.
  • the new material web 14 is attached to the first and second suction zones 26, 27 the second jaw 18 is sucked so that it is fixed on the surface of the second jaw 18.
  • the suction preferably takes place via bores subjected to negative pressure in the surfaces of the suction zones 24, 25, 26, 27.
  • the outgoing material web 13 is then stopped in the area of the connecting device 11, as shown in FIG. Subsequent processes can, for example, be further supplied with the outgoing material web 13 from a buffer storage behind the connecting device 11.
  • the outgoing material web 13 is sucked into the first and second suction zones 24, 25 of the first jaw 17, so that both material webs 13, 14 are arranged parallel to one another in an overlapping section 19 and have no relative movement to one another.
  • the first and second jaws 17, 18 are moved towards each other and the overlapping section 19 is clamped between the two jaws 17, 18.
  • the cutting device 20 cuts the outgoing material web 13 and the new material web 14 in the overlapping section 19 in a common cut, whereby a new web end 21 of the outgoing material web 13 and a new web beginning 22 of the new material web 14 are produced, which are shown in Figure 5 .
  • the suction in the first suction zone 26 of the second jaw 18 is switched off, so that the leader with the original beginning of the new material web 14 can either fall out of the connecting device 11 automatically or can be conveyed out, which is symbolized by the corresponding arrow.
  • the first and second jaws 17, 18 are then moved together again so that the jaws 17, 18 rest on both sides of the outgoing material web 13 and the new material web 14, which is shown in Figure 6.
  • this operating state there is no overlap of material webs 13, 14.
  • the end of the web 21 of the outgoing material web 13 and the beginning of the web 22 of the new material web 14 are therefore abutting one another.
  • the suction in the first suction zone 26 of the second jaw 18 is activated, so that, as illustrated in Figure 6, the first and second suction zones 26, 27 of the second jaw 18 and the first suction zone 24 of the first jaw 17 are temporarily activated.
  • the outgoing material web 13 can therefore be transferred to the second jaw 18 of the connecting device 11.
  • the first suction zone 24 of the first jaw 17 is deactivated in the next step, ie there is no longer any suction using negative pressure.
  • the jaws 17, 18 are moved apart again after the two material webs 13, 14 have been transferred to the second jaw 18.
  • An adhesive applicator 16 is then placed in the area of the end of the web 21 of the outgoing material web 13 and the beginning of the web 22 of the new material web 22. brought to apply an adhesive 23, for example an adhesive strip, and to glue the two material webs 13, 14 together.
  • the material webs 13, 14 are connected by the applied adhesive 23, with in this advantageous exemplary embodiment the first jaw 17 and the second jaw 18 being moved towards one another in order to apply a pressing force to the adhesive 23 in order to improve the strength of the connection .
  • a corresponding pressing force can also be applied by the adhesive applicator.
  • Figure 9 shows the final operating state in the last step, in which the jaws 17, 18 are moved apart and the connected material web 13, 14 is conveyed by the reel 15 in the conveying direction, whereby the static splicing process is completed.
  • Figures 10 to 13 show an alternative exemplary embodiment, whereby the device 10 is used to produce a connection on both sides of the outgoing and the new material web 13, 14.
  • Figure 12 illustrates how the second jaw 18 was moved again towards the first jaw 17.
  • the two adhesives 23, for example adhesive strips, can therefore be pressed onto the connection point of the web end 21 of the outgoing web 13 and the web beginning 22 of the new web 14.
  • the adhesive 23 can also be pressed on by the adhesive applicator 16.
  • Figure 14 shows an advantageous embodiment of the device 10, wherein the feed device 12 has a turntable 33 on which two bobbin holders 31, 32 are arranged.
  • the bobbin 15 of the outgoing material web 13, which has already largely been unrolled is arranged on the bobbin holder 31.
  • a bobbin 15 with a new material web 14 is already placed on the bobbin holder 32.
  • the new material web 14 can therefore be in the connecting device 12 with the outgoing material.
  • Albahn 13 can be connected.
  • the rest of the unrolled bobbin 15 with the outgoing material web 13 can be removed from the turntable 33.
  • the bobbin 15 on the bobbin holder 32 with the new material web 14 can rotate to the positions of the bobbin holder 31 using the turntable 33.
  • the new material web 14 then itself becomes the outgoing material web 13.
  • the connecting device 11 is additionally set up to prevent an edge offset between the outgoing material web 13 and the new material web 14 at the connection point.
  • the connecting device 11 has a sensor device 28, see Figures 2 to 4, which is used to detect the position of the new material web 14 in relation to the connecting device 11 and/or to the jaws 18, which in this exemplary embodiment are on the side of the new material web 14 lie, and / or is set up to the outgoing material web 13.
  • the connecting device 11 has a control device 29, which is set up to move the jaws 17, 18 relative to one another in such a way that the two material webs 13, 14 in the overlapping area 19 are aligned with one another in such a way that they have as little edge offset as possible.
  • Such a displacement occurs, for example, in FIG. 2 while the new material web 14 is fixed and the outgoing material web 14 is conveyed further in the conveying direction, in which case the second jaws 18 are displaced. Furthermore, such a displacement can take place, for example, during the exemplary embodiment shown in FIG. 3, while the two material webs 13, 14 are fixed to the jaws 17, 18. A corresponding alignment preferably takes place before the jaws 17, 18 exert a clamping force on the overlapping section in order to hold the material. rial tracks 13, 14 to be clamped against each other for the common cut.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

L'invention concerne un dispositif (10) pour raccorder des bandes de matériau continues pour l'industrie de la production de cellules d'énergie, comprenant un dispositif de raccordement (11) doté d'au moins un applicateur d'adhésif (16) et comprenant un dispositif d'alimentation (12) conçu pour alimenter la bande de matériau en défilement (13) et la nouvelle bande de matériau (14), chacune d'entre elles s'étendant à partir d'une bobine (15), vers le dispositif de raccordement (11). Le dispositif de raccordement (11) présente une première mâchoire (17) et une seconde mâchoire (18) qui sont conçues pour appliquer une force de serrage à une section de chevauchement (19) de la bande de matériau en défilement et de la nouvelle bande de matériau (13, 14), ladite section étant fournie par le dispositif d'alimentation (12). Le dispositif de raccordement (11) présente, en outre, un dispositif de coupe (20) qui est conçu pour couper la bande de matériau en défilement (13) sous une force de serrage entre les mâchoires (17, 18) et la nouvelle bande de matériau (14) dans une coupe commune à travers la section de chevauchement (19) afin de produire l'extrémité (21) de la bande de matériau en défilement (13) et le début (22) de la nouvelle bande de matériau (14). Lorsque la force de serrage des mâchoires (17, 18) est relâchée, la première mâchoire (17) est conçue pour maintenir l'extrémité (21) de la bande de matériau en défilement (13) et le début (22) de la nouvelle bande de matériau (14) au moyen d'une pression négative afin d'appliquer un adhésif (23) à l'aide de l'applicateur d'adhésif (16).
PCT/EP2023/070604 2022-08-01 2023-07-25 Dispositif et procédé de raccordement de bandes de matériau continues WO2024028168A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022119210.5 2022-08-01
DE102022119210.5A DE102022119210A1 (de) 2022-08-01 2022-08-01 Vorrichtung und Verfahren zum Verbinden von endlichen Materialbahnen

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WO2024028168A1 true WO2024028168A1 (fr) 2024-02-08

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WO2005110903A1 (fr) * 2004-04-30 2005-11-24 Kimberly-Clark Worldwide, Inc. Appareil et processus d’alignement des matériaux pendant un raccord
KR101695650B1 (ko) * 2015-05-12 2017-01-12 주식회사 디에이테크놀로지 전극 필름 자동 교체 장치
CN114261819A (zh) * 2022-01-06 2022-04-01 深圳市兴禾自动化股份有限公司 一种具备自动接换料功能的隔膜放卷及接换料装置

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