EP3962847A1 - Abrollstation - Google Patents
AbrollstationInfo
- Publication number
- EP3962847A1 EP3962847A1 EP20705959.3A EP20705959A EP3962847A1 EP 3962847 A1 EP3962847 A1 EP 3962847A1 EP 20705959 A EP20705959 A EP 20705959A EP 3962847 A1 EP3962847 A1 EP 3962847A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- primary
- running
- unwinding device
- unwinding
- secondary unwinding
- 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
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
- B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
- B65H19/126—Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
- B65H16/06—Supporting web roll both-ends type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/10—Arrangements for effecting positive rotation of web roll
- B65H16/103—Arrangements for effecting positive rotation of web roll in which power is applied to web-roll spindle
-
- 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
- B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
- B65H19/1826—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll
- B65H19/1836—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll the replacement web being accelerated or running prior to splicing contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
- B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
- B65H19/1857—Support arrangement of web rolls
- B65H19/1863—Support arrangement of web rolls with translatory or arcuated movement of the 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
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/413—Supporting web roll
- B65H2301/4136—Mounting arrangements not otherwise provided for
- B65H2301/41361—Mounting arrangements not otherwise provided for sequentially used roll supports for the same web roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- 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
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
- B65H2511/12—Width
-
- 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
- B65H2801/84—Paper-making machines
Definitions
- the invention relates to a device for unwinding a web of material, in particular a paper or cardboard web from a winding roll for a subsequent machine unit for processing the material web, the journals of which are mounted in journal bearings with a rotatable outer ring, with a primary unwinding device, a secondary unwinding device, a transport device running between the primary and secondary unwinding device and a gluing and separating device, the primary, the secondary unwinding device and the transport device for moving the winding roll from the primary to the secondary unwinding device each two parallel to one another and with corresponding Mating surfaces of the outer rings of the journal bearings have running surfaces that come into contact, the axial position of the running surfaces of the primary and secondary rolling device is adjustable and the running surfaces of the primary and secondary rolling device and the corresponding counter surface n the outer rings have an axially leading shape to the respective outer ring.
- Unwind stations of the type discussed here serve for the continuous unwinding of a material web from a winding roll and are arranged upstream of a machine for processing the material web, for example a coating machine or a calender.
- a known unwinding station comprises a primary and a secondary unwinding device, which serve to guide a winding roll.
- a full winding roll is first guided by the primary unwinding device while the material web is being unwound. When the winding roll has a desired diameter, it is transferred from the primary to the secondary unwinding device.
- a new, full winding roll is then fed to the primary unwinding device and the web of material wound on it is connected to the unwinding roll of material guided by the secondary unwinding device before it is completely unwound.
- an adhesive device is provided which often has an adhesive roller which can be pivoted about an axis, via which the winding roll guided by the secondary unwinding device to the - in Running direction of the material web seen - following material web processing machine is guided.
- the adhesive roller is pivoted and pressed against the winding roller guided by the primary unwinding device.
- the material web running off the secondary unwinding device is severed by means of a cutting device.
- Carrier roller winding machines have two driven carrier rollers on which the winding rollers lie next to one another with aligned sleeves during winding.
- the support roller winding machines have a roll ejection device which, when a roll is changed, ejects a set of fully wound winding rolls from the roll bed formed by the two support rollers. The finished set of winding rolls is pressed by the ejector device over the top of a support roller onto a lowering platform.
- swivel arms are used, for example, which can be pivoted about an axis and engage on both sides of the winding roll and transfer it to the secondary unwinding device by means of a swivel movement.
- the primary, secondary unwinding device and the transport device with their rails are axially adjustable, which is relatively expensive.
- the object of the invention is therefore to reduce the effort for unwinding the material web.
- the object was achieved in that the transport device is stationary and its running surfaces and / or the corresponding mating surfaces of the outer rings of the journal bearings to the respective outer ring at least one of the circumference of the axial setting of the running surfaces of the primary and / or the secondary roller device axial Offering freedom.
- the transport of the winding roll is simplified if the running surfaces of the primary, the secondary unwinding device and the transport device run horizontally or are inclined slightly in the transport direction.
- the horizontal movement of the winding roll on the running surfaces is mostly supported by linear slides.
- the outer rings of the journal bearings of the winding roll in the primary and secondary unwinding device are each guided on two parallel running rails.
- the outer rings of the axle journal bearings of the winding roll should each have a complementary circumferential groove into which the corresponding running rail of the primary and secondary unwinding device protrudes.
- the running surfaces of the transport device are also designed as running rails that protrude into the circumferential groove of the corresponding outer ring, although the running rails of the transport device have a have a much smaller width than the running rails of the primary and / or secondary unwinding device.
- the outer rings of the journal bearings each have a circumferential ring which protrudes into a complementary groove of the corresponding running surface of the primary and / or secondary roller device.
- the circumferential ring of the outer rings of the journal bearings should in this case protrude into a groove of the corresponding running surface of the transporting device, which, however, has a significantly greater width than the grooves of the corresponding running surface of the primary and / or the Has secondary unwinding device.
- Figure 6 one side of the unwinding device with the one to be guided
- a material web 1 is unwound from the full winding roll 2 in the primary unwinding device 5 by a first drive during the unwinding process according to FIG.
- the winding roll 3 Simultaneously with the still full winding roll 2 (full reel, "mother roll"), the winding roll 3, which has essentially already been unwound, is in the secondary
- Unwinding device 6 unwound by a second drive to the end of a material web 1.
- the power of the second drive is such that its drive motor is just sufficient to generate a small torque to enable the remaining unwinding of the material web 1 from the winding roll 3 in the secondary unwinding device 6.
- the first drive is dimensioned so that its torque is sufficient to unwind the material web 1 from the still full winding roll 2, which can have a diameter of, for example, 3500 mm and more.
- the drives can be stationary or movable.
- the unwound Material web 1 can be deflected over one or more guide rollers 9 to stabilize the web run.
- the two axle journals 17 of the winding roll 2, 3, 4 each have an axle journal bearing 18 with an outer ring 10 rotatable about the axle journal 17, in particular in the form of a roller bearing.
- the web tension is regulated during the entire process, which counteracts winding errors.
- the material web 1 is divided into several individual webs of adjustable width by means of a known one, not shown Cutting section. These individual webs are then wound up on the set of tubes lying in a winding bed to form shipping rolls.
- the winding roll 2, 3 is axially fixed in a fixed mounting of the primary 5 or the secondary unwinding device 6. This prevents the material web 1 from running axially during the unwinding and thus also during the cutting of the web and the rewinding of the partial webs.
- journal journals 17 or their journal bearings 18 are each in a receiving fork or the like. stored.
- the axial position of the bearing, in particular each running rail of both unwinding devices 5,6, is to adapt to the conditions of the respective winding roll 2,3 axially adjustable separately.
- the primary unwinding device 5 and the secondary unwinding device 6 are connected to one another via a transport device 8, the transport device 8 for the outer rings 10 of the journal bearings 18 of the winding roll 2, 3 two parallel between the primary 5 and the secondary unwinding device 6 Has running surfaces 11 running horizontally to one another.
- the outer rings 10 of the journal bearings 18 within the unwinding devices 5,6 on the rails 12 and within the Transport device 8 slide or preferably roll on running surfaces 11, which considerably simplifies the transfer of winding roll 2 from primary unwinding device 5 to secondary unwinding device 6.
- the transport device 8 stands firmly on a foundation.
- the running surfaces 11 of the transporting device 8 are much wider than the running rails of the rolling devices 5,6.
- FIG. 7 shows an embodiment in which the running surfaces 11 of the transport device 8 are also formed by running rails which protrude into the circumferential groove 13 of the outer rings 10.
- the rails of the transport device 8 are much narrower than those of the unwinding devices 5, 6, so that the rails of the transport devices 8 have a sufficiently large axial play within the circumferential groove 13 for the axial adjustment of the winding roll 2, 3.
- the outer rings 10 in FIGS. 9 and 10 each have a circumferential ring 14 which protrudes into a corresponding complementary groove 15 of the running surfaces 12 of the rolling devices 5, 6 and thus provides the necessary axial guidance.
- the running surface 11 of the transport device 8 also has a groove 16 into which the peripheral ring 14 of the respective outer ring 10 protrudes.
- the groove 16 of the transport device 8 is significantly wider than the groove 15 of the roll-off devices 5, 6, which ensures the required axial freedom in the area of the transport device 8.
- FIG. 10 shows a possible further development of FIG. 9, the running surface 11 of the transport device 8 not having any axial limitation similar to the example shown in FIG.
Landscapes
- Replacement Of Web Rolls (AREA)
- Unwinding Webs (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019111475.6A DE102019111475B4 (de) | 2019-05-03 | 2019-05-03 | Abrollstation |
| PCT/EP2020/054165 WO2020224818A1 (de) | 2019-05-03 | 2020-02-18 | Abrollstation |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP3962847A1 true EP3962847A1 (de) | 2022-03-09 |
| EP3962847C0 EP3962847C0 (de) | 2025-06-18 |
| EP3962847B1 EP3962847B1 (de) | 2025-06-18 |
Family
ID=69630319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20705959.3A Active EP3962847B1 (de) | 2019-05-03 | 2020-02-18 | Abrollstation |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3962847B1 (de) |
| CN (1) | CN114007966B (de) |
| DE (1) | DE102019111475B4 (de) |
| WO (1) | WO2020224818A1 (de) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB979808A (en) * | 1961-07-08 | 1965-01-06 | Joseph Eck & Sohne | Machine for the uninterrupted unwinding of a web of material |
| DE112009002420T5 (de) * | 2008-09-29 | 2011-07-28 | Metso Paper, Inc. | Verfahren und Vorrichtung zum Absenken und/oder Anheben einer Wickelwelle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1574632B1 (de) * | 1968-01-09 | 1971-02-25 | Zum Bruderhaus Gmbh Maschf | Vorrichtung zum ununterbrochenen Abwickeln einer Bahn,insbesondere einer Papierbahn |
| DE4302345A1 (de) * | 1993-01-28 | 1994-08-04 | Kampf Gmbh & Co Maschf | Rollenschneidmaschine zum Aufwickeln von vorzugsweise schmalen Materialbahnen, insbesondere aus Kunststoff, Papier oder dergleichen in Einzelwickelstationen |
| IT1264215B1 (it) * | 1993-09-14 | 1996-09-23 | Gd Spa | Dispositivo di prelievo e trasferimento di bobine da un magazzino ad una unita' di svolgitura. |
| CN101331078B (zh) * | 2005-12-15 | 2013-02-20 | 欧瑞康纺织有限及两合公司 | 用于卷绕连续行进的纱线的方法和卷绕机 |
| DE102005000187A1 (de) * | 2005-12-16 | 2007-06-21 | Voith Patent Gmbh | Vorrichtung und Verfahren zum Abwickeln einer Materialbahn |
| DE102016211582A1 (de) * | 2016-06-28 | 2017-03-23 | Voith Patent Gmbh | Abrollstation |
-
2019
- 2019-05-03 DE DE102019111475.6A patent/DE102019111475B4/de not_active Withdrawn - After Issue
-
2020
- 2020-02-18 EP EP20705959.3A patent/EP3962847B1/de active Active
- 2020-02-18 WO PCT/EP2020/054165 patent/WO2020224818A1/de not_active Ceased
- 2020-02-18 CN CN202080033075.3A patent/CN114007966B/zh active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB979808A (en) * | 1961-07-08 | 1965-01-06 | Joseph Eck & Sohne | Machine for the uninterrupted unwinding of a web of material |
| DE112009002420T5 (de) * | 2008-09-29 | 2011-07-28 | Metso Paper, Inc. | Verfahren und Vorrichtung zum Absenken und/oder Anheben einer Wickelwelle |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2020224818A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020224818A1 (de) | 2020-11-12 |
| DE102019111475B4 (de) | 2022-01-13 |
| CN114007966B (zh) | 2024-04-05 |
| WO2020224818A8 (de) | 2021-12-30 |
| CN114007966A (zh) | 2022-02-01 |
| DE102019111475A1 (de) | 2020-11-05 |
| EP3962847C0 (de) | 2025-06-18 |
| EP3962847B1 (de) | 2025-06-18 |
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