EP3621793A1 - Vorrichtung und verfahren zum fertigen eines polsterkissens aus einer ein-oder mehrlagigen kontinuierlichen papierbahn - Google Patents
Vorrichtung und verfahren zum fertigen eines polsterkissens aus einer ein-oder mehrlagigen kontinuierlichen papierbahnInfo
- Publication number
- EP3621793A1 EP3621793A1 EP18723495.0A EP18723495A EP3621793A1 EP 3621793 A1 EP3621793 A1 EP 3621793A1 EP 18723495 A EP18723495 A EP 18723495A EP 3621793 A1 EP3621793 A1 EP 3621793A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paper web
- speed
- conveyor
- control electronics
- cutting
- 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.)
- Pending
Links
Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
- B31D5/0069—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including forming or transforming three-dimensional material, e.g. corrugated webs or material of cellular structure
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- 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
- B26D1/40—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 coacting with a rotary member
- B26D1/405—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 coacting with a rotary member for thin material, e.g. for sheets, strips or the like
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- 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
- B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
- B31D5/006—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including controlled deformation of flat material, e.g. pleating, corrugating or embossing
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- 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
- B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
- B65H35/006—Article or web delivery apparatus incorporating cutting or line-perforating devices with means for delivering a predetermined length of tape
- B65H35/0066—Article or web delivery apparatus incorporating cutting or line-perforating devices with means for delivering a predetermined length of tape this length being adjustable
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- 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
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- 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
- B65H35/08—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 from or with revolving, e.g. cylinder, cutters or perforators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
- B31D2205/0017—Providing stock material in a particular form
- B31D2205/0023—Providing stock material in a particular form as web from a roll
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
- B31D2205/0047—Feeding, guiding or shaping the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
- B31D2205/0058—Cutting; Individualising the final products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
- B31D2205/0064—Stabilizing the shape of the final product, e.g. by mechanical interlocking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
- B31D2205/007—Delivering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0076—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads involving particular machinery details
- B31D2205/0082—General layout of the machinery or relative arrangement of its subunits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0076—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads involving particular machinery details
- B31D2205/0088—Control means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
- B65H2557/60—Details of processes or procedures
- B65H2557/62—Details of processes or procedures for web tracking, i.e. retrieving a certain position of a 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
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
- B65H2701/191—Bags, sachets and pouches or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
- B65H2701/1944—Wrapping or packing material
Definitions
- the invention generally relates to a device for manufacturing a cushion pad from a single or multi-ply continuous paper web and a corresponding manufacturing method.
- Generic Flymaterialfertigungs- devices are set up, for example, in logistics centers as portable, mobile units to provide in the packaging of an article made-up cushion pads.
- the cushion cushions are obtained from a paper web roll, in particular a recycled paper web roll or Kraft paper web roll, which is space-saving compared to the cushion pad, or from a paper web stacked in a Leporello-like manner.
- the paper web is withdrawn from the supply roll or supply stack and reshaped to form air pockets that provide cushioning between shipping items to be packaged and a shipping container.
- a generic upholstery cushion manufacturing apparatus is known from DE 10 2012 018 867 Ai.
- the known device pulls the paper web by means of a driven fastening and / or deformation station, which has two intermeshing embossing wheels, which further reshape a tubular preformed paper web and provided with a wave-shaped embossing profile.
- individual cushion cushions are separated from the converted paper web by means of a rotary cutter.
- the severed cushion pads are then ejected from the manufacturing apparatus and may be used by dunning personnel as padding material.
- the conveyor drive the embossing wheels and the drive of the rotary cutter are coordinated so that the Conveying movement of the paper web, and continuously run the rotational movement of the cutting edge without interruption.
- a speed sensor should be provided both at the deformation station and at the cutting station.
- Another generic cushion cushion manufacturing apparatus is known from DE 10 2014 016 874 Ai.
- This manufacturing device has a rotary blade, which is supplied with a converted paper web by means of a feed, which has embossing and conveying wheels.
- the rotary cutter separates individual upholstery cushions from the converted paper web.
- the cushion pads are ejected from a removal with a second gear train, which has conveyor wheels, from the manufacturing device.
- the feed, the discharge device and the rotary cutting edge are matched to one another in such a way that the edge of the paper web leading in the conveying direction already comes into engagement with the discharge device, before or at the latest when the rotary cutting edge removes a cushioning pad from the paper web separates.
- the synchronous operation of infeed, discharge and rotary cutting edge is ensured by sensors or time control.
- the known upholstery manufacturing devices are very well suited for producing large quantities of upholstery cushions in a short time, so that they are excellently suited for high-throughput logistics facilities. They are characterized in particular by a very low susceptibility to errors because they minimize the risk of paper jams. However, there is a desire for a cheaper alternative to the known devices, which meets the same high technical requirements for production volume and paper jam avoidance.
- the production device comprises a conveying device for drawing the paper web into the device.
- the conveyor comprises at least one conveyor roller, in particular two conveyor rollers, which can be realized in particular as a conveyor and forming roller (s), for example with yakradianom profile or can.
- the conveyor comprises a (first) motor, such as an electric motor, for example a DC motor.
- the conveyor may have one or more shafts and optionally a reduction gear.
- the engine is coupled to the transmission which drives at least one roller of the conveyor with a reduced relative to the engine speed drive speed.
- a second or further roller may be driven directly by the motor or indirectly by the first driven roller.
- a conveyor with a pair of rollers having two intermeshing rollers with yakradianom profile can at least one roller or just one roller, in particular an indirectly driven roller, a side window or two opposite side windows on an axial edge of the roller, in particular the axial edge the gear profile, be arranged.
- the device according to the invention for manufacturing a cushion pad comprises a separating device for separating the cushion pad from the paper web, in particular from the tube-like formed paper web.
- the paper web is converted in the conveying direction upstream of the severing device in the cushioning pad manufacturing apparatus into a three-dimensional filler strand, for example from a feed hopper and / or by forming and / or conveying rollers.
- the severing device is provided for separating a cushion pad predetermined pad cushion length.
- the manufacturing device comprises control electronics for actuating the separating device according to a predetermined movement profile, in particular a speed profile and / or a torque profile.
- the predetermined motion profile determines a repetitive motion for each separation operation.
- the separating device may have a rotary blade, which according to the predetermined movement profile a Rotation completed in particular by 360 0 according to a predetermined speed, acceleration and / or torque profile.
- the control electronics has a sensor for detecting a rotational angle position of the conveyor.
- control electronics are configured or set up to start an actuation of the separating device for a discontinuous separating operation when detecting a predetermined actual rotational angle position.
- control electronics actuates the separating device individually for each separation process or initiates a cyclic movement of the separating device during a separation process, during which a cutting tool of the separating device, preferably a rotary cutting edge, runs along a cyclical movement path, for example up and down, in a circle or the like, wherein the cutting tool moves from a starting position to a cutting position and then returns from the cutting position to the starting position. In the starting position, the cutting tool stops.
- the control electronics are preferably arranged to start a cyclic separation process, for example, a rotation of a rotary knife 360 is 0, if the sensor for detecting a rotational angular position of the conveyor means detects a predetermined actual rotational angular position of the conveyor.
- the control electronics may be configured to start the discontinuous separation operation when reaching or exceeding the predetermined actual rotation angle position.
- upholstered cushion predetermined length with a narrow tolerance band of +/- 5 cm in length or even +/- 1 cm in length are reproducible and can be produced in high quantity, even without complicated control of the conveyor and the separation device of the cushion cushion.
- manufacturing device it has surprisingly been found that it is not absolutely necessary for a safe, fast, reproducible production of upholstered cushion to detect the conveying speed of the paper web by a sensor, or to tune the rotational speeds of conveyor rollers and rotary cutting by means of a scheme.
- control electronics is adapted to determine a target conveying speed for drawing in the paper web, in particular to define and / or detect and / or store, and to operate the conveyor in particular continuously according to the desired conveying speed. Furthermore, the control electronics according to this preferred embodiment is adapted to determine a desired cushion length, in particular to define and / or detect and / or store, and set the Ablös admire according to the desired conveying speed and the desired cushion length.
- the cushioning cushions of desired length can be manufactured by the control electronics, as it were, initiating a cycled separating operation (here approximately every 1/10 second).
- the speed of the conveyor for example, the rotational speed of conveyor rollers, correspondingly constant, so that a rotation angle position of the conveyor rollers, the conveyor roller drive, a possibly existing between conveyor roller drive and conveyor rollers transmission and / or a roller shaft are detected with the sensor, which corresponds to the desired Abtrenntakt.
- control electronics is adapted to take into account a delivery diameter of the conveyor and / or a cutting diameter of the separating device.
- a delivery diameter of the conveyor and / or a cutting diameter of the separating device For example, in a conveyor with a conveyor roller pair or the like with a certain diameter (for example, 10 cm) and a predetermined desired pad cushion length (for example, 31 cm) can be provided exactly one separation per revolution of the conveyor rollers.
- the control electronics can accurately cause a rotation of a conveying roller 360 0 a separation process upon detection. If an approximately 62 cm long pad cushion is required, the control electronics can cause a conveyor roller pair with a diameter of 10 cm with each rotation to 720 0 a separation process.
- the sensor may preferably be arranged on a transmission output shaft, an engine output shaft, a conveyor (conveyor rollers) bearing shaft.
- the sensor comprises an in particular ferromagnetic or permanent magnetic incremental encoder and / or a preferably electromagnetic incremental actuator.
- the incremental encoder preferably has an incremental resolution between 20 and 100 increment / 360 0 , preferably 30-60 increments / 360 0 , particularly preferably 40 increments / 360 0 .
- An incremental encoder can be implemented, for example, as a ferromagnetic incremental encoder with gear profiles, wherein the teeth of the incremental encoder in cross section may be rectangular or, preferably, tapered, for example triangular.
- an incremental encoder with less than 50 increments per 360 0 preferably with tapering cross-sectional shape of the increments, in combination with a particularly favorable optical or electromagnetic sensor at very cost effective design can still provide a high accuracy of the measurement, certainly one to ensure exact reproducibility of a desired cushion cushion length.
- the incremental encoder is rotatably mounted on a rotating component of the conveyor.
- the control electronics is adapted for the separation operation for producing cushioning cushion according to the SoU cushion length based on the target conveying speed, in particular taking into account the conveying diameter and / or the cutting diameter, the predetermined actual rotational angular position define, for example, causes a predetermined rotation angle position of 30 0 twelve Abtrennvor réelle per revolution.
- a predetermined actual rotational angular position of 450 ° causes a separation process every 1.5 revolutions.
- control electronics can determine, at a desired conveyor speed set on the production device, based on empirical values or calibration values acquired, for example, during initialization or startup of the cushion cushion manufacturing device, an assignment from a desired desired cushion cushion length, taking into account a set target speed. Meeting conveyor speed with respect to a predetermined rotational angular position.
- Achieving or exceeding the increment number threshold value can be determined by the control electromotive, for example by counting an up-counting counter up to an increment number threshold and when it reaches or exceeding the increment number value, the counter reading is set to o. It is also conceivable that the control electronics repeatedly count down to 1 or o, starting from the determined increment number threshold. Alternatively, a counter of the control electronics may continuously count and cause a disconnect on reaching or exceeding each multiple of the increment number threshold. Other detection methods are conceivable.
- control electronics is set up to determine an increment number threshold, in particular taking into account the conveyor diameter, and to cause an actuation of the separator when the sensor detects, preferably reaches or exceeds the increment number threshold.
- increment number threshold in particular taking into account the conveyor diameter
- the control electronics is set up to determine an increment number threshold, in particular taking into account the conveyor diameter, and to cause an actuation of the separator when the sensor detects, preferably reaches or exceeds the increment number threshold.
- the control electronics is adapted to control the conveyor and the separating device coordinated so that in the separation position in which a cutting tool of the separating device cuts the paper web for separating a cushion pad, the separation speed, in particular a peripheral speed with a rotary blade, is as large as or slightly, in particular 1% to 10%, preferably 5%, greater than the peripheral speed of the conveyor at the conveyor diameter corresponding conveying extent.
- the peripheral speed of the conveyor preferably corresponds to the conveying speed of the paper web.
- the separating device comprises a rotary cutting edge and the control electronics comprise a (second) sensor arrangement for detecting a rotational angular position of the separating device, in particular the rotary cutting shaft.
- a separating device with rotary cutting points Preferably, a rotary cutting pad, which is arranged opposite to the rotary blade and rotates in accordance with the rotational speed of the rotary blade to provide the rotary blade for a cutting engagement, an abutment.
- the rotary blade of the rotary cutter is transverse to the conveying direction of the paper web.
- the cutting edge of the rotary cutter extends in the transverse direction of the paper web and / or perpendicular to the longitudinal direction of the paper web.
- the rotary blade extends in a straight line.
- the cutting edge is parallel to the axis of rotation or rotary cutting shaft of the rotary cutter and rotates on a cylindrical orbit.
- the conveying path of the paper web preferably crosses the orbit of the cutting edge substantially tangentially or slightly according to a secant, so that in the passage-contact point of the cutting edge at the tangential point or in the secant region the cushioning pad is cut off from the paper web with a cutting stroke.
- the length of the cutting edge preferably corresponds at least to the width of the conveying path.
- the rotary cutter may preferably define with a cutting pad a cutting diameter of the severing device.
- the separating device preferably has a (second) motor, preferably an electric motor, in particular a DC motor. It is clear that the separating device may have its own, opposite to the conveyor motor different.
- the separating device may have one or more embossing tools to fix the trailing end of a cushion pad by an embossing and / or to fix the leading end of the paper web or the next pad in particular by an embossing.
- the rotary blade and / or a possibly present rotary cutting pad can be coupled to the motor by at least one shaft and / or a gear, in particular a reduction gear.
- the parts on which the rotary blade is arranged non-rotatably, and the cutting pad shaft, on the rotationally fixed a cutting pad is kinematically connected by a coupling, for example by a gear coupling, in particular clearance, to ensure a synchronous operation of rotary blade and cutting pad.
- the sensor arrangement has a second, in particular ferromagnetic or magnetic, incremental encoder and a second, preferably electromagnetic, incremental sensor.
- the second incremental encoder preferably has an incremental resolution between 10 and 100 increments / 360 ° , preferably 15 to 60 increments / 360 ° , particularly preferably 20 increments / 360 ° . It has been shown that for a sufficient detection accuracy in terms of Rotation angle position of the separation device is in relation to the resolution of the sensor of the conveyor lower, in particular about half, resolution is sufficient.
- the sensor arrangement is adapted to detect a cutting rotational position or separation position and / or a breakpoint rotation angle position or initial or reference position of the rotary cutting edge.
- the sensor arrangement is preferably set up to detect this specific rotation angle position (s) with only one (or only two) position sensors.
- the control electronics is set up to initiate a braking operation for the separating device when detecting the cutting rotational angle position.
- the invention also relates to a method for machining a cushion pad from a single or multi-ply continuous paper web.
- a conveyor for drawing the paper web into the apparatus is preferably operated continuously.
- the conveyor for feeding the paper web is operated at a constant conveying speed.
- a separating device is discontinuously operated for separating the cushion pad from the paper web according to a predetermined movement profile, in particular a speed-acceleration and / or torque profile.
- the severing device may be operated to sever the cushion pad from a paper web to a converted paper web condition.
- the paper web is converted into a three-dimensional filler strand before it enters the separation device.
- a rotational angle position of the conveying device is detected.
- the discontinuous separation is triggered in the production process upon reaching a predetermined actual rotational angle position of the conveyor.
- the discontinuous separation can be realized, for example, with a separating device realized as a rotary cutter by means of a single revolution of its rotary cutting edge. Before and after the discontinuous separation process, the rotary cutter is preferably stationary.
- the predetermined motion profile comprises an acceleration phase in which a cutting tool, preferably a rotary blade, preferably a separating device, is accelerated to a nominal speed.
- the predetermined movement profile further comprises a running phase in which the cutting tool is preferably moved constantly at the rated speed, wherein in particular the nominal speed is equal to or slightly, in particular l% to 10%, preferably 5%, greater than the conveying speed.
- the predetermined movement profile further comprises a cutting operation, during which the severing device separates the cushion pad from the paper web, which may, for example, be tube-shaped.
- the cutting speed of the cutting tool can be as large as, or slightly, in particular 1% to 10%, preferably 5%, greater than the conveying speed.
- the predetermined profile further comprises a deceleration phase in which the speed of the separation device is reduced.
- the predetermined movement profile comprises a holding phase in which the cutting tool is held stationary, preferably in an initial position or reference position or holding point rotational angle position.
- the method according to the invention can be carried out according to the functionality of the device described above.
- the manufacturing device according to the invention can act according to the manufacturing method according to the invention.
- Figures 1A-1F is a perspective, partially sectional view of a device according to the invention for manufacturing a cushion pad, wherein the separating device is in different rotational angular positions.
- Figures 2A and 2E are side cross-sectional views of the invention
- FIG. 3 is a perspective view of an inventive
- FIG. 4 shows the detail view according to the detail TV of FIG. 3;
- Fig. 5 is another perspective view of the invention
- FIG. 6 shows a detail view according to the detail VI according to FIG. 5;
- Fig. 7 is a perspective view of the invention
- Fig. 8 is a schematic representation of the invention
- Fig. 9 is an illustration of a predetermined speed and torque profile for operating the separator.
- the device according to the invention for manufacturing a cushion pad from a single or multi-ply continuous paper web is provided with the reference numeral 1.
- the continuous paper web has the reference numeral 13 and the separated pad cushion the reference numeral 11.
- the device 1 has as a main component a conveyor 3 for retracting the paper web 13, a separating device 5 for separating the cushion pad 11 from the paper web 13 and a control electronics 21 for actuating the separating device on.
- the conveyor 3 comprises a pair of conveying and embossing rollers 31, 33.
- the embossing rollers 31, 33 of the conveyor 3 each have a tooth profile, and mesh each other.
- the lower embossing roller 31 is rotatably attached to the conveying roller shaft 32.
- the conveying roller shaft 32 is driven by an electric motor 41, which is preferably realized as a DC motor.
- the drive speed of the motor 41 is reduced by a reduction gear 43 in a smaller feed roller shafts (32) - speed.
- the upper conveyor roller 33 is rotationally fixed to the conveyor roller shaft 34 and rotates by the meshing engagement with the first, driven, conveying roller 31 with this.
- the conveyor roller 33 is rotatably connected to side windows 35, whose pulley diameter substantially corresponds to the outer tooth diameter.
- the embossing of the conveying and forming rollers 31, 33 is wave-shaped.
- the side windows 35 stabilize the undulating embossment in the transverse direction.
- the meshing engagement of the lower conveyor roller 31 in the upper conveyor roller 33 defines a conveying diameter D 3 , which corresponds to the identical pitch circle diameter of the conveyor rollers 31, 33 in the illustrated preferred embodiment (Fig.2A, Fig. 2E).
- an incremental encoder 23a is arranged in a rotationally fixed manner on the lower conveyor roller shaft 32.
- the incremental encoder 23a comprises 40 increments which taper and which are evenly distributed over the circumference of the incremental encoder 23a.
- the incremental slave 23b for detecting the increments and the incremental encoder 23a or the rotational angle position of the lower conveyor roller shaft 32 and the output shaft of the transmission 43 is arranged.
- the incremental encoder 23a may be milled from a ferromagnetic sheet or cut, in particular laser cut, be.
- a separating device 5 is realized as a rotary cutter.
- the rotary cutter comprises a rotary cutting edge 51 and an cutting pad 53 cooperating with the cutting edge 51.
- the rotary cutting edge 51 is held against rotation by a cutting shaft 52.
- the cutting pad 53 is rotationally fixed to a cutting pad shaft 54.
- the rotational movement of the cutting shaft 52 and the pillow shaft 54 is synchronized by a pair of gears 55a, 55b.
- the separating device 5 an electric drive motor 61, preferably a DC motor, and a reduction gear 63 for providing a relation to the rotational speed of the electric motor 61 reduced cutting shaft speed.
- the electric motor 61 of the separating device 5 may be identical to the electric motor 41 of the conveying device 3.
- the gear 63 of the separating device 5 may be identical to the gear 43 of the conveyor 3.
- an incremental encoder 25a of the sensor assembly 25 is rotatably mounted on the cutting pad shaft 54.
- the incremental receiver 25b Fixed to the frame 2 of the device 1 is the incremental receiver 25b, which cooperates with the incremental encoder 25a.
- the increments of the incremental encoder 25a have a rectangular cross-sectional shape and their number is 20.
- the sensor assembly 25 also has a position sensor 25c, which is provided according to a cutting knife initial position A or initial position, the achievement of this starting position A of the position taker 25d, the stationary is attached to the frame 2, can be detected.
- the sensor 23 and the sensor arrangement 25 are signal transmission according to the control electronics 21 connected.
- the incremental receivers 23b and 25b are preferably identical.
- the position taker 25 can also be realized identically to the incremental taker 25b and / or 23b. By using similar components, cost savings can be achieved.
- FIGS. 1A (and 2A), 1B, 1C, 1D, 1E (and 2E) and 1F show different rotational angle positions of the separating device 5 and the conveyor 3.
- the corresponding rotational angle positions AF are shown in the diagram of a movement profile, ie a velocity profile v 5 or a torque profile T 5, shown in FIG. 9.
- Figures 1A and 2A show in perspective and in a side view, the manufacturing apparatus 1 in a state in which the rotary cutter a conveyor channel 4 for passing a deformed paper web 13 largely releases, so that the paper web 13 can pass through the separating device 5 virtually unhindered.
- the initial position A of the rotary cutter shown in FIGS. 1A and 2A can be detected by this sensor arrangement 25.
- the separation device 5 and the separation position E is shown, in the separation division E, the rotary cutting edge 51 cuts with the cutting pad 53, a cushion pad 11 from the paper web 13 from ( Figure iE). At the moment the severing position E, the rotary blade 51 crosses the conveying path F of the paper web 13, along which the paper web 13 is conveyed with preferably the conveying speed corresponding to the desired conveying speed f.
- the rotary blade 51 moves at the rotary cutting peripheral speed v 5 about the cutting shaft 52, as shown in Figures lB, lC and lD for corresponding rotary cutting intermediate positions B, C, D is exemplified.
- the course of the predetermined movement profile of the rotary cutter is shown qualitatively for the starting position A, the intermediate positions B, C and D and the separating position E in the diagram shown in FIG.
- the rotary cutting edge initially experiences an acceleration until the rotary cutting edge 51 reaches a nominal speed, which it has, for example, when passing through the intermediate position D.
- the motor 61 initially provides, for example when passing through the intermediate positions B and C, a high torque, which decreases when the rated speed is reached.
- the severing device 5 has, relative to the cutting edge 51, a stamping or punching tool 56a, 56b in the direction of rotation, as well as trailing.
- a stamping or punching tool 56a, 56b in the direction of rotation, as well as trailing.
- the embossing tool 56 effects a stabilization of the pillow shape produced by the cutting (not shown in more detail; 018 867 Al]).
- a rotational resistance against the rotary cutting movement occurs, so that the rotational movement of the rotary blade 51 is decelerated.
- the torque T 5 increases rapidly.
- the torque T 5 reaches its maximum when reaching the separation position E.
- the torque T 5 decreases.
- the passage through the separation position E can be detected with the sensor arrangement 25 in order to effect a subsequent braking of the rotary blade 51, so that it comes to rest upon renewed reaching the starting position A.
- the embossing tools 56a, 56b carry an embossment on the trailing end of the cushion pad 13 and on the leading end of the cushion web 13, which becomes a leading cushion pad in the next, subsequent separation process.
- the trailing embossing tool 56b is just in touching contact with the leading end of the converted paper web 13.
- the control electronics 21 are predetermined, for example, by a user console, not shown, a desired target paper cushion length L and a desired conveying speed f.
- the control electronics may include a digital memory for applying one or more pad length values and / or conveying speed values.
- the electronic control unit 21 receives an operating signal or start signal T 0 .
- the control electronics 21 controls the conveyor 3 for conveying the paper web 13 in the manufacturing device.
- the rotational angle position of the conveyor 3 is monitored by a sensor 23.
- the sensor 23 is implemented as an incremental sensor and comprises pulse-like increments ni.
- the sensor 23 transmits the rotational angle position or incremental steps m of the conveyor 3 to the control device 21.
- the control device 21 device-related variable or constant values, for example concerning the motor 41 or 61, the conveyor rollers 31, 33, for example, the conveyor diameter D 3rd , etc., be deposited.
- the control electronics 21 can set and store an incremental threshold, when they enter the separating device 5 for separating a Pad cushion 11 is driven approximately corresponding to the desired cushion length L.
- the control electronics 21 may have one or more predetermined motion profiles.
- a predetermined movement profile may be, for example, the inertia of the severing device 5, the SoU cushion length L, the cutting diameter D 5 , rotational resistances due to stamping tools 56a, 56b, etc., taken into account.
- the motion profile can also be the type of material, thickness, Number of layers, etc., to be reshaped paper web 13, from which the cushion pads 11 are separated, take into account.
- the rotary blade and the tools are preferably designed according to DE 10 2012 018 867 Ai, DE10 2012 018 941 Ai and / or DE10 2013 015 875 A1, the content of which is incorporated by reference in its entirety.
- the separating device 5 passes through a cyclical motion profile once, for example for a single rotation 360 ° of the rotary blade 51.
- the separation process begins at time t x and ends at time t 3 in the starting position A.
- Incremental values from the incremental encoder 25a and incremental receiver 25b of the sensor arrangement 25 can be of advantage in particular when initializing the production device 1 according to the invention or when obtaining empirical values with regard to one or different predetermined movement profiles.
- the sensor arrangement 25b may be configured to detect only the starting position A and / or the separating position E.
- the rotational angle positions detected by the sensor arrangement 25 can be stored in the control electronics 21 in order to generate iteratively improved motion profiles.
- the rotational position values n of the conveying device with three or the n 2 of the separating device 5 detected by the control device can also be used for device diagnostics.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017109842.9A DE102017109842A1 (de) | 2017-05-08 | 2017-05-08 | Vorrichtung und Verfahren zum Fertigen eines Polsterkissens aus einer ein- oder mehrlagigen kontinuierlichen Papierbahn |
PCT/EP2018/061884 WO2018206586A1 (de) | 2017-05-08 | 2018-05-08 | Vorrichtung und verfahren zum fertigen eines polsterkissens aus einer ein-oder mehrlagigen kontinuierlichen papierbahn |
Publications (1)
Publication Number | Publication Date |
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EP3621793A1 true EP3621793A1 (de) | 2020-03-18 |
Family
ID=62143174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18723495.0A Pending EP3621793A1 (de) | 2017-05-08 | 2018-05-08 | Vorrichtung und verfahren zum fertigen eines polsterkissens aus einer ein-oder mehrlagigen kontinuierlichen papierbahn |
Country Status (4)
Country | Link |
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US (1) | US11518135B2 (de) |
EP (1) | EP3621793A1 (de) |
DE (1) | DE102017109842A1 (de) |
WO (1) | WO2018206586A1 (de) |
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DE102018219717B3 (de) * | 2018-11-16 | 2020-04-02 | Koenig & Bauer Ag | Bogenverarbeitende Maschine mit einer Vorrichtung zum Behandeln von Substraten |
DE102018009678A1 (de) * | 2018-12-11 | 2020-06-18 | Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. | Vorrichtung mit Guillotine-Ablängvorrichtung zum Fertigen eines Verpackungsmaterialerzeugnisses aus einem Faserausgangsmaterial und Verfahren zum Fertigen eines Verpackungsmaterialerzeugnisses |
CN112027793B (zh) * | 2020-09-09 | 2022-03-08 | 高阳县高东电子科技有限公司 | 自动牵引装置和控制方法 |
CN113830607B (zh) * | 2021-10-11 | 2024-04-12 | 杭州耀毅科技有限公司 | 一种防卡纸的智能纸元宝折叠机 |
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-
2017
- 2017-05-08 DE DE102017109842.9A patent/DE102017109842A1/de active Pending
-
2018
- 2018-05-08 EP EP18723495.0A patent/EP3621793A1/de active Pending
- 2018-05-08 WO PCT/EP2018/061884 patent/WO2018206586A1/de unknown
-
2019
- 2019-11-08 US US16/678,861 patent/US11518135B2/en active Active
Also Published As
Publication number | Publication date |
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WO2018206586A1 (de) | 2018-11-15 |
US11518135B2 (en) | 2022-12-06 |
DE102017109842A1 (de) | 2018-11-08 |
US20200070461A1 (en) | 2020-03-05 |
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