EP0698571A2 - Cylindre de coupe et de transport pour des matériaux en bande - Google Patents

Cylindre de coupe et de transport pour des matériaux en bande Download PDF

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Publication number
EP0698571A2
EP0698571A2 EP95111590A EP95111590A EP0698571A2 EP 0698571 A2 EP0698571 A2 EP 0698571A2 EP 95111590 A EP95111590 A EP 95111590A EP 95111590 A EP95111590 A EP 95111590A EP 0698571 A2 EP0698571 A2 EP 0698571A2
Authority
EP
European Patent Office
Prior art keywords
roller
roll
passage slot
pressure medium
separating
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
EP95111590A
Other languages
German (de)
English (en)
Other versions
EP0698571A3 (fr
EP0698571B1 (fr
Inventor
Klaus Reinhold
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Individual
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Individual
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Filing date
Publication date
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Publication of EP0698571A2 publication Critical patent/EP0698571A2/fr
Publication of EP0698571A3 publication Critical patent/EP0698571A3/fr
Application granted granted Critical
Publication of EP0698571B1 publication Critical patent/EP0698571B1/fr
Anticipated expiration legal-status Critical
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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
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/065—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/42—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and slidably mounted in a rotary member
    • B26D1/425—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and slidably mounted in a rotary member for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/56—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter
    • B26D1/62—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder
    • B26D1/626—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/12—Fluid-pressure means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/06—Severing by using heat
    • B26F3/08—Severing by using heat with heated members
    • B26F3/12—Severing by using heat with heated members with heated wires
    • 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
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2207—Changing the web roll in winding mechanisms or in connection with winding operations the web roll being driven by a winding mechanism of the centre or core drive type
    • B65H19/2215—Turret-type with two roll supports
    • 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
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B65H19/2253—The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being displaced during the winding operation
    • 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
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • 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
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4171—Handling web roll
    • B65H2301/4173—Handling web roll by central portion, e.g. gripping central portion
    • B65H2301/41734—Handling web roll by central portion, e.g. gripping central portion involving rail
    • 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
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4187—Relative movement of core or web roll in respect of mandrel
    • B65H2301/4189—Cutting
    • B65H2301/41892—Cutting knife located in winding or guiding roller and protruding therefrom
    • 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
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/233—Central support turret

Definitions

  • the invention relates to a cutting and transport roller for material webs, which is used in particular as a counter roller in devices for winding film, paper and the like material webs running continuously over guide rollers.
  • Numerous winding devices working with a counter roller are known, in which a separate cutting device with a separating knife is provided as the roll changing device, which cuts the material web when the material roll is finished wound on a given winding shaft. Difficulties arise here in detaching the end of the web separated from the winding roll from the winding roll and, as a new start of the web, on a new winding shaft or a winding tube mounted thereon as a roll core, during the continuous feed of the web of material, quickly and reliably, without causing high web losses and undesirable Wrinkles occur in the material web during the winding process.
  • the invention has for its object to provide a cutting and transport roller which is particularly suitable as a counter roller in winding devices and with which the roll change can be carried out easily and quickly in particular, the new start of the path to avoid wrinkles and path losses can be positioned precisely and securely on the new winding shaft.
  • the cutting and transport roller designed in this way when used in a winding device, forms a counter-roller with an integrated reel changing device, such that the separating knife forms a component of the counter-roller itself, thus ensuring that the severed web end is reliably transferred to a winding shaft as a new web start can be done for winding.
  • the roll changing device comprises the cutting knife for severing the material web when the winding roll is completely wound and the pressure space effective on its circumference for holding the new web start and for transferring it to a new winding shaft.
  • a vacuum can be applied to the circumference of the counter roller to hold the new web start by means of the pressure chamber, and the circumference of the counter roller can be acted upon via the pressure chamber with an overpressure that repels the web start from the roller circumference for the transfer of the web start to the new winding shaft.
  • the new web start is securely held on the circumference of the counter roller by the negative pressure, while when the new winding shaft is reached by switching the pressure chamber to overpressure, the new web start is pushed off the circumference of the counter roller and at the same time on the new one Winding shaft or its winding tube is wound up.
  • the winding device shown in the drawing is used for winding material webs such as plastic films, which are continuously produced by an extruder and wound up as flat webs.
  • a pivot bearing designated as a whole by 3 is pivotably supported about a horizontal axis of rotation 4.
  • the pivot bearing 3 is formed by a double lever, the contour-identical single lever 5 and 6 each in an adjacent side wall 2 of the device frame 1 in bearings mounted on the inside are rotatably mounted.
  • the two individual levers 5 and 6 are each formed by a two-armed lever, the two lever arms 8 and 9 of which, starting from an inner region encompassing the axis of rotation 4, each have a guide slot 10 which opens outwards to the respective stub shaft of a winding shaft 12 or 13 are provided.
  • Each lever arm 8, 9 is divided by its guide slot 10 into two parallel arm parts 14 and 15, of which the arm part 14 is extended outwards via the arm part 15.
  • each arm part 14 forms an end receptacle 16 with an abutment shoulder 17 for the respective winding shaft 12 carrying a completely wound winding roller 24 (FIGS. 2 and 3).
  • the two lever arms 8 and 9 of each individual lever 5 and 6 are of identical design.
  • their arm parts 14 and 15 are each offset alternately above and below the horizontal transverse plane 18 of the device containing the axis of rotation 4 of the pivot bearing 3.
  • a cutting and transport roller 19 is rotatably supported as a counter roller in the pivot bearing 3 about a horizontal axis of rotation 20 which coincides with the axis of rotation 4 of the pivot bearing 3.
  • the counter roller interacts as a contact roller with the winding shafts 12 and 13 or with the web material wound thereon, which is illustrated by dash-dotted lines at 21 and is fed to the counter roller 19 in the direction of the arrow 22.
  • the arrangement is such that the axis of rotation 4 of the pivot bearing 3 and the axis of rotation 20 of the counter-roller 19 coinciding therewith are located in a vertical parting plane 23 which divides the device into two work stations I and II.
  • the two workstations I and II are from the horizontal position of the pivot bearing 3, in which the axes of rotation of the winding shafts 12, 13 and the axis of rotation 20 of the counter-roller 19 are arranged in the common horizontal transverse plane 18 of the device, which also contains the axis of rotation 4 of the pivot bearing 3.
  • the counter-roller 19 is connected to a reversible direction of rotation for an optional rotation clockwise or counterclockwise, as are the winding shafts 12 and 13 on both sides of the counter-roller 19 in the two workstations I and II, to which the counter-roller 19 is each assigned half its own reversible direction of rotation drive for each connected to the counter-roller 19 in the opposite direction.
  • This measure serves for the optional winding of the material web 21 clockwise or counterclockwise onto the respective winding shaft 12.
  • the reversible direction of rotation drives used in this connection are known to the person skilled in the art in their application and are therefore not shown in detail here.
  • the material web 21 is fed to the winding device via guide rollers, of which only those close to the device are shown in the drawing, namely two upper guide rollers 25 and 26 and two lower deflection rollers 27 and 28 adjoining the counter roller 19.
  • the upper guide roller 25 is in the side walls 2 of the device frame 1 near the vertical division plane 23 of the device is freely rotatably supported, while the guide roller 26 and the deflecting rollers 27 and 28 are freely rotatably mounted in a separate arm 29 inside the device frame 1.
  • the other deflection roller being brought into a rest position can be, which is offset in the direction away from the counter-roller 19 from the common horizontal plane of the deflection rollers 27, 28. This can be done, for example, in a manner not shown in detail by moving the respective deflecting roller 27, 28 upward in its bearing leg 32 with a corresponding, releasable fixing.
  • the counter-roller 19 contains, as a roll changing device, a separating knife for severing the material web 21 when the winding roll 24 is completely wound and comprises an effective pressure space on its circumference 34 for holding the new web start and for transferring it to a new winding shaft like the winding shaft 13.
  • a negative pressure can be applied to the circumference 34 of the counter roller 19 by means of the effective pressure chamber, so that the beginning of the web is sucked into the circumference 34 of the counter roller 19, which ensures that the new beginning of the web is transported in the correct position by means of the counter roller 19.
  • the effective pressure space is switched to overpressure, as a result of which the suction effect is canceled and the beginning of the web is instead repelled by the roller circumference 34 in order to pass to the new winding shaft 13 or a winding tube pushed onto it , which can optionally be provided with an external adhesive application in a manner known per se, to be wound up.
  • the cutting and transport roller 19 comprises a hollow cylindrical roller shell 35 which defines the roller circumference 34 and which is provided on each of its two ends by an end wall 36 and 37 is closed to form an inner roll cavity.
  • the roller jacket 35 comprises a metal jacket 38 and a rubber or rubber jacket 39 mounted thereon, depending on the application and the web material that is drawn from the roller 19 handle, instead of the rubber jacket 39, a coating of the metal jacket 38 can be provided with other material, or the metal jacket 38 can be chromed on the outside.
  • a separating body 40 is inserted into the inner roller cavity and, with the roller circumference 34, delimits two pressure spaces 41 and 42 which extend essentially over the entire axial roller length.
  • the two pressure chambers 41 and 42 are connected to the environment via an arrangement of through bores 43 and 44 through the roller shell 35. In the example shown, a plurality of axial rows of through bores 43 and 44 are provided.
  • the roll shell 35 is also provided with a through slot 45, which in turn extends essentially over the entire axial roll length.
  • a separating knife 46 extends through the passage slot 45 and is in turn supported in the inner roller cavity, also in the example shown on the separating body 40.
  • the separating body 40 is designed as a hollow profile body with a multi-chamber profile, a central chamber receiving the roller axis 20 forming a supply chamber 47 via which a pressure medium is supplied from an external pressure medium source and optionally into the pressure chamber 41 or 42 is fed.
  • the separating knife 46 is supported in the area between the feed chamber 47 and the passage slot 45.
  • the separating body 40 has the three-chamber cross-sectional profile, which can be seen in particular in FIG. 5, with a central box-shaped part, which delimits the feed chamber 47, and two trapezoidal parts opposite it outer parts 48 and 49 tapering towards the roller shell 35.
  • the separating body 40 extends diametrically on both sides of a diameter plane 50 containing the separating knife 46 and its passage slot 45 through the inner roller cavity and is at its radial ends with its outer parts 48 and 49 each with the inner shell 38 the roller 19 and with its front ends firmly connected to the inside of the end walls 36 and 37 of the roller 19, for example welded.
  • the separating body 40 is formed symmetrically on both sides of the diameter plane 50, so that the two pressure spaces 41 and 42 are in turn correspondingly symmetrical, their through bores 43 and 44 being arranged diametrically opposite one another in the roller jacket 35.
  • the pattern and the arrangement of the through bores 43 and 44 can, however, be changed depending on the respective application compared to the example shown in FIG. 5.
  • the pressure chambers 41 and 42 which are only connected to the environment via the through bores 43 and 44 and are otherwise sealed, can optionally be connected to the external pressure medium source.
  • a feed line 51 is applied to the wall 52 of the feed chamber 47 facing the pressure chamber 41, the pressure chamber 41 being connected to the pressure medium through a corresponding opening in the wall 52, while the other pressure chamber 42 is completed by the print medium.
  • the supply line 51 after releasing its connection to the wall 52, is pivoted through 180 ° and placed against the wall 53 opposite the wall 52 and connected to it, then via a corresponding opening in the wall 53, the pressure chamber 42 is connected to the pressure medium, while the pressure chamber 41 receives no pressure medium, ie is not exposed to negative pressure or excess pressure.
  • the separating knife 46 is formed in the exemplary embodiment illustrated in FIGS. 4 and 5 by a narrow, upstanding cutting blade 54 which projects with a free cutting edge end region through the through-slot 45 so that it separates the roller jacket 35, i.e. slightly exceeds the outer circumference 34 of the roller 19.
  • the cutting blade 45 can be moved linearly from end to end of the roller 19 along the passage slot 45 at high speed.
  • the cutting blade 54 has cutting edges 55 lying opposite one another in the longitudinal direction of the passage slot 45, and a separating cut through the material web 21 can be carried out with each leading movement of the cutting blade 54 from end to end of the roller 19 with the respective leading cutting edge 55.
  • the linear movement of the cutting blade 54 along the passage slot 45 takes place by means of a pressure medium drive, which is formed by a double-acting pressure medium-operated working cylinder 56. Compressed air is preferably used as the pressure medium for actuating the working cylinder 56.
  • the cylinder 56 is supported in the outer part 49 of the three-chamber separating body 40 on an inner wall 57 with its two end-side connection parts 58 and 59.
  • a connecting tube 60 extends between the two connecting parts 58 and 59.
  • the cutting blade 54 is supported by a rodless piston (not shown) and connected to the latter via a narrow intermediate web 61, which with tight movement play in a guide slot opposite the passage slot 45 in the roller jacket 35 of the connecting tube 60 of the working cylinder 56 is guided.
  • the working cylinder 56 extends essentially over the entire axial length of the roller 19, with a fitting for the connecting tube 60 and the piston guided therein Round or polygonal profile, for example the rectangular profile shown in FIG. 5 is provided.
  • the compressed air is supplied to the working cylinder 56 via a rotary inlet 62 known per se with two supply channels which are connected to a compressed air supply line via external connections 63 and 64.
  • the rotary entry 62 is firmly screwed to a front bearing journal 66 of the roller 19 via a threaded journal 65.
  • the bearing journal 66 has two concentric channels 67 and 68 in its interior, which are connected to the two compressed air channels of the rotary inlet 62.
  • a line 69 leads from the channel 67 to the connecting part 58 of the working cylinder 56, while a line 70 leads from the channel 68 to the connecting part 59 of the working cylinder 56.
  • the knife blade 54 connected to the cylinder piston is shown in FIG. 4 in one of its two end positions near the end wall 36, in which the cylinder piston adjoins the connecting part 58.
  • the connecting part 58 is supplied with compressed air at high pressure via the line 69, so that the piston-supported cutting blade 54 moves suddenly along the passage slot 45 to the end wall 37 of the roller 19 and, without interacting with a counter knife, one in executes a substantially right-angled separating cut through the material web 21.
  • the end position of the knife blade 54 near the end wall 37 corresponds to the position near the end wall 36 shown in Fig. 4, i.e.
  • the cylinder piston with the knife blade 54 is located shortly in front of the connecting part 59, in order to be suddenly driven in the opposite direction along the passage slot 45 in order to perform a separating cut through the material web 21 when the connecting line 70 and thus the connecting part 59 are pressurized.
  • the bearing journal 66 serves in the rest, just like a further bearing journal 71 in the end wall 37, in itself the rotary drive of the roller 19 in a known manner.
  • the bearing journal 71 is also provided with a rotary lead-in, which is designated here by 72.
  • the rotary inlet 72 has only one central pressure medium channel which is connected to a pressure medium feed line via an outer connection 73.
  • the central pressure medium channel is connected via a hollow threaded pin 74 to an inner pressure medium channel 75 of the bearing pin 71, from the inner end of which the pressure medium line 51 for supplying the pressure chamber 41 or 42 with air as the pressure medium starts.
  • the pressure medium channel 75 can be connected via the rotary inlet 72 either to an external vacuum source or to an excess pressure source by means of a corresponding switchover process in the supply system.
  • connection to an external vacuum source means that air is drawn in from the surroundings through the through bores 43 or 44, or a material web lying above the through bores 43 or 44 is sucked into the roller circumference 34 in this area.
  • the pressure medium channel 75 and thus via line 51 is supplied to the pressure chamber 41 or 42 with a pressure such that the material web previously held in the area of the through bores 43 or 44 passes through the through bores 43 or 44 acting compressed air is expelled from the roller circumference 34 in order, in the application described above, to be fixed on the winding tube of a new winding shaft 13 in the course of performing a roll change.
  • the separating knife 46 is formed by a cutting blade 76 with an outer cutting edge 77, the length of which is substantially equal to that of the passage slot 45.
  • the cutting edge 77 which is shaped in the manner of a serrated knife, is normally held within the through-slot 45, as illustrated in FIG. 6, without projecting beyond the roller circumference 34.
  • the cutting blade 76 is briefly moved out of the passage slot 45 and back again at high speed in the radial direction of the roller diameter.
  • double-acting pressure medium-operated lifting cylinders 78 are provided in the two end regions of the cutting blade 76, which adjoin the respective end walls 36 and 37 of the rollers.
  • the lifting cylinders 78 are each supported on the inner wall 57 of the separating body 40.
  • the piston rod 79 of the respective lifting cylinder 78 is attached to the inside of the cutting blade 76.
  • pressure medium supply lines 80 and 81 which open out on both sides of the end faces of the piston are provided in a manner known per se.
  • the supply of the lines 80 and 81 takes place via a rotary lead-in 62 and a bearing journal 66 according to FIG. 4, like the other bearing journal which is not shown in FIG. 6 corresponds to the bearing journal 71 according to FIG. 4.
  • the cutting blade 76 can be operated by a heatable resistance wire with a corresponding holder with the same method of operation as the one shown in FIG Fig. 6 explains, can be used to perform a fusion cut.
  • the separating knife 46 which in turn is designed as a serrated knife blade 76 with a serrated cutting edge 78, can be actuated via a parallel guide linkage 82 attached in the inner cavity of the roller 19 by means of an outer push rod drive 83 operated by pressure medium.
  • the parallel guide linkage 82 comprises a link 84, which is articulated at 85 on the knife blade 76 and at 86 to a holder 87, which in turn is fastened on the inner wall 57 of the separating body 40.
  • the link 84 is guided through the inner wall 57 and connected at its inner end to a push rod 88 of the push rod drive 83.
  • the push rod 88 has at its inner end an engagement pin 89 approximately at the level of the axis of rotation 20 of the roller 19, which engages in an elongated hole 90 of the link arm 91 on this side of the rotary connection 86.
  • 7 shows the cutting blade 76 in its rest position, in which it lies with its cutting edge 77 within the passage slot 45.
  • the parallel guide linkage 82 comprises a corresponding link arrangement, with the exception of the inner link arm 91, in the orientation of the link 84 shown in FIG. 7.
  • the push rod drive 83 further comprises a pressure medium-operated working cylinder 92, preferably a pneumatic lifting cylinder, the piston rod 93 of which is fixedly connected to the push rod 88 by a coupling 94.
  • the push rod 88 is passed through the end bearing journal 95 of the roller 19, which is at the same time designed as a guide bush for this purpose.
  • the other bearing journal which is not shown in FIG. 7, is designed corresponding to the bearing journal 71 according to FIG. 4.
  • the push rod 88 is moved inwards in the direction of arrow 97 by means of the lifting cylinder 92, the links 84 pivoting about their pivot point 86 in accordance with the movement arrow 98.
  • the cutting blade 76 is moved out of the passage slot 45 with a combined radial and axial movement at high speed and moved back again when the lifting cylinder 92 is reversed.
  • This type of movement of the cutting blade 76 creates a so-called pulling cut, which, depending on the material to be cut, can be advantageous compared to other embodiments of the knife 46.
  • Fig. 1 the winding device is shown in the ongoing winding operation, the incoming material web 21 is fed around the counter-roller 19 of the winding roller 24 rotating clockwise while wrapping the deflection roller 27. A new winding shaft 13 has already been inserted in work station I.
  • FIG. 2 shows the winding roll 24 which has been completely wound clockwise just before a new start of the web is wound onto the winding shaft 13 in the work station I.
  • the roll change is initiated in such a way that when a certain winding diameter is reached for the winding roll 24, a control signal is given, by which, when winding in a clockwise direction, the pressure chamber 42 builds up a vacuum from the external vacuum source, so that through the through bores 44 in Roll jacket 35, the incoming material web 21 is sucked onto the roll circumference 34 of the counter roll 19.
  • the cutting process by means of the separating knife 46 is carried out by corresponding drive control during the continuous feeding of the material web 21 between the deflection roller 27 and the new winding shaft 13.
  • the deflection roller 28 is in its rest position.
  • FIG. 3 illustrates a momentary state of the winding process according to FIG. 2.
  • the reel change takes place in the same way in principle as described with reference to FIG. 2, but with the Suction is applied through the through-holes 43 of the pressure chamber 41 in accordance with the direction of rotation of the counter-roller 19 on its roller circumference 34 and the transverse separation takes place by means of the knife 46 between the deflection roller 28 and the contact line between the counter-roller 19 and the winding roller 24.
  • the separated, drawn-in web end is then transported on in the manner described and transferred to the new winding shaft 13.
  • winding shafts 12 and 13 can be locked in their respective guide slots 10 of the pivot bearing 3 by suitable means which are readily available to the person skilled in the art in this field, for example by means of a claw safety device.
  • the reel change is quick and easy, since with the cutting and transport roller according to the invention as the counter roller 19, the material web 21 can be cut without interrupting its inflow, with a minimum of time and the new web start can be safely transported to the new winding shaft 13.
  • the cutting and transport roller 19 according to the invention is not only suitable as a counter-roller with a roll changing device in a device for winding continuously tapering film, paper and similar material webs of the type described above, it is also suitable in others Applications for fulfilling the same or similar tasks and in particular also for use in other winding devices which, in particular, do not work with a swivel bearing forming a winding station and a finishing winding station, in which instead only one winding station is provided which serves to wind up and finish winding the respective material roll .

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
  • Advancing Webs (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
EP95111590A 1994-08-17 1995-07-24 Cylindre de coupe et de transport pour des matériaux en bande Expired - Lifetime EP0698571B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9413238U 1994-08-17
DE9413238U DE9413238U1 (de) 1994-08-17 1994-08-17 Vorrichtung zum Aufwickeln von Materialbahnen mit einer Schneid- und Transportwalze

Publications (3)

Publication Number Publication Date
EP0698571A2 true EP0698571A2 (fr) 1996-02-28
EP0698571A3 EP0698571A3 (fr) 1998-01-28
EP0698571B1 EP0698571B1 (fr) 2002-06-05

Family

ID=6912479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95111590A Expired - Lifetime EP0698571B1 (fr) 1994-08-17 1995-07-24 Cylindre de coupe et de transport pour des matériaux en bande

Country Status (8)

Country Link
US (1) US5848761A (fr)
EP (1) EP0698571B1 (fr)
JP (1) JPH0867378A (fr)
AT (1) ATE218492T1 (fr)
CA (1) CA2156201C (fr)
DE (2) DE9413238U1 (fr)
DK (1) DK0698571T3 (fr)
ES (1) ES2177595T3 (fr)

Cited By (7)

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Publication number Priority date Publication date Assignee Title
GB2309409A (en) * 1996-01-24 1997-07-30 Bosch Gmbh Robert A device for cutting individual pieces from a string of plastic material
EP1190821A2 (fr) * 2000-09-22 2002-03-27 Windmöller & Hölscher KG Couteaux basculants à lame simple ainsi que procédé de coupe avec de tels couteaux
DE10321778A1 (de) * 2003-05-14 2005-01-05 Windmöller & Hölscher Kg Schneid- und Transportwalze in einer Wickelvorrichtung zum Aufwickeln von Materialbahnen
DE10051372B4 (de) * 2000-10-17 2005-08-25 Windmöller & Hölscher Kg Messerschlitzabdeckung an einer Schneid- und Transportwalze
EP1458529B1 (fr) * 2001-12-19 2006-09-20 Windmöller & Hölscher KG Recouvrement de la fente d'une lame menagee dans un cylindre de coupe et d'alimentation
EP3406770A1 (fr) * 2017-05-24 2018-11-28 Trützschler GmbH & Co. KG Dispositif de coupe pour un bobineur de non-tissé
CN108928661A (zh) * 2017-05-24 2018-12-04 特吕茨施勒有限及两合公司 纤维网卷绕机的切割装置和其方法

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DE9413238U1 (de) * 1994-08-17 1994-10-13 Reinhold, Klaus, 49525 Lengerich Vorrichtung zum Aufwickeln von Materialbahnen mit einer Schneid- und Transportwalze
DE19609802A1 (de) 1996-03-13 1997-09-18 Helmut Froehlich Vorrichtung zur kontinuierlichen Aufrollung von längsgeschnittenen Papierbahnen mit automatischem Rollenwechsel bei Maschinengeschwindigkeit
CA2303119A1 (fr) * 1997-07-15 1999-01-28 Kaiser Aluminum & Chemical Corporation Transfert de bande a grande vitesse dans une installation de traitement de bande en continu
DE10321642B4 (de) * 2003-05-13 2006-01-05 Windmöller & Hölscher Kg Wickelvorrichtung mit gerader Tragschiene
DE10321600B4 (de) * 2003-05-13 2005-05-04 Windmöller & Hölscher Kg Wickelvorrichtung mit einer Strahlungsquelle zur Positionierung der Wickelhülsen
DE10321599A1 (de) * 2003-05-13 2004-12-30 Windmöller & Hölscher Kg Wickelvorrichtung mit elektrostatischen Auflademitteln und Verfahren zum Festlegen mehrlagiger Folie
DE102004013649B3 (de) * 2004-03-19 2005-09-29 Kiefel Extrusion Gmbh Schneid- und Transportwalze für Materialbahnen
DE102004048512A1 (de) * 2004-10-05 2006-04-13 Windmöller & Hölscher Kg Schneid- und Transportvorrichtung für Materialbahnen
DE102004055734A1 (de) * 2004-11-18 2006-06-01 Kiefel Extrusion Gmbh Verfahren und Vorrichtung zum rechts- und linksdrehenden Aufwickeln von Materialbahnen
US7341217B2 (en) * 2005-02-17 2008-03-11 Addex, Inc. Electrostatic tension control of webs
CN105565030A (zh) * 2016-02-03 2016-05-11 浙江兰良实业有限公司 一种极薄玻纤纸切纸、卷纸装置
WO2021131433A1 (fr) * 2019-12-26 2021-07-01 パナソニック株式会社 Dispositif de coupe, et dispositif de fabrication d'ensemble d'électrode stratifié
CN112602657B (zh) * 2020-12-16 2022-10-11 重庆市荣昌区虹吉湖生态农业有限公司 一种生态鱼养殖用水环境净化设备

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2309409B (en) * 1996-01-24 1998-04-01 Bosch Gmbh Robert A device for cutting individual pieces
GB2309409A (en) * 1996-01-24 1997-07-30 Bosch Gmbh Robert A device for cutting individual pieces from a string of plastic material
DE10047545B4 (de) * 2000-09-22 2007-12-27 Windmöller & Hölscher Kg Schneid- und Transportwalze mit integrierter Schneidvorrichtung mit schwenkbaren Schneidflächen und Verfahren zum Schneiden von Materialbahnen mithilfe einer solchen Walze
EP1190821A2 (fr) * 2000-09-22 2002-03-27 Windmöller & Hölscher KG Couteaux basculants à lame simple ainsi que procédé de coupe avec de tels couteaux
DE10047545A1 (de) * 2000-09-22 2002-05-02 Windmoeller & Hoelscher Schneid- und Transportwalze mit integrierter Schneidvorrichtung mit rotierenden Schneidflächen
US6766722B2 (en) 2000-09-22 2004-07-27 Windmoeller & Hoelscher Cutting and transport roller with integrated cutter with rotating cutting surfaces
EP1190821A3 (fr) * 2000-09-22 2004-11-03 Windmöller & Hölscher KG Couteaux basculants à lame simple ainsi que procédé de coupe avec de tels couteaux
DE10051372B4 (de) * 2000-10-17 2005-08-25 Windmöller & Hölscher Kg Messerschlitzabdeckung an einer Schneid- und Transportwalze
US7320269B2 (en) 2001-12-19 2008-01-22 Windmoeller & Hoelscher Kg Blade slit covering on a cutting and feed roller
EP1458529B1 (fr) * 2001-12-19 2006-09-20 Windmöller & Hölscher KG Recouvrement de la fente d'une lame menagee dans un cylindre de coupe et d'alimentation
DE10321778B4 (de) * 2003-05-14 2006-03-30 Windmöller & Hölscher Kg Schneid- und Transportwalze in einer Wickelvorrichtung zum Aufwickeln von Materialbahnen
DE10321778A1 (de) * 2003-05-14 2005-01-05 Windmöller & Hölscher Kg Schneid- und Transportwalze in einer Wickelvorrichtung zum Aufwickeln von Materialbahnen
EP3406770A1 (fr) * 2017-05-24 2018-11-28 Trützschler GmbH & Co. KG Dispositif de coupe pour un bobineur de non-tissé
CN108928661A (zh) * 2017-05-24 2018-12-04 特吕茨施勒有限及两合公司 纤维网卷绕机的切割装置和其方法
CN108928661B (zh) * 2017-05-24 2020-10-02 特吕茨施勒有限及两合公司 纤维网卷绕机的切割装置和其方法
EP3409818B1 (fr) * 2017-05-24 2021-07-07 Trützschler GmbH & Co. KG Dispositif de coupe pour un enrouleur de non-tissé et procédé correspondant

Also Published As

Publication number Publication date
DE59510223D1 (de) 2002-07-11
ES2177595T3 (es) 2002-12-16
ATE218492T1 (de) 2002-06-15
EP0698571A3 (fr) 1998-01-28
CA2156201A1 (fr) 1996-02-18
US5848761A (en) 1998-12-15
JPH0867378A (ja) 1996-03-12
CA2156201C (fr) 2002-10-22
DE9413238U1 (de) 1994-10-13
EP0698571B1 (fr) 2002-06-05
DK0698571T3 (da) 2002-09-16

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