EP3458397B1 - Method and apparatus for handling winding shafts - Google Patents
Method and apparatus for handling winding shafts Download PDFInfo
- Publication number
- EP3458397B1 EP3458397B1 EP17798815.1A EP17798815A EP3458397B1 EP 3458397 B1 EP3458397 B1 EP 3458397B1 EP 17798815 A EP17798815 A EP 17798815A EP 3458397 B1 EP3458397 B1 EP 3458397B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- track
- turning
- winding
- transfer
- winding shafts
- 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.)
- Active
Links
- 238000004804 winding Methods 0.000 title claims description 53
- 238000000034 method Methods 0.000 title claims description 10
- 238000005096 rolling process Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
Images
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
-
- 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
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
- B65H19/305—Inserting core
-
- 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
- B65H2301/415—Unwinding
- B65H2301/4155—Unwinding after unwinding process
- B65H2301/41552—Unwinding after unwinding process separating core from remaining layers of wound material from each other
-
- 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 method according to the preamble of claim 1 for handling winding shafts, that is, reel spools.
- the invention also relates to an apparatus implementing the method. After unwinding, some fibrous web is usually left over these winding shafts, typically in a layer of a few centimetres.
- empty winding shafts as well as those containing a small amount of the fibrous web are both referred to as winding shafts.
- the fibrous web after the paper or board machine is wound into a machine roll on a winding shaft.
- the winder is generally referred to as a Pope reeler named after its inventor.
- other winders are known, such as a central driver winder.
- the machine rolls are temporarily stored, typically parallel to the track, in several storage sites before unwinding. Because the machine rolls are very heavy, they are transferred either by rolling the reel spools inside the machine rolls along support rails or by means of a crane.
- the winding shafts are returned to the winder.
- the returning involves a number of problems.
- the winding shafts are large, as their length may be even up to ten metres, and heavy. Their transferring causes many difficulties.
- the common method of transferring by rolling requires rolling rails.
- the difficulty in their positioning and their wearing, as well as the difficulty of controlling the rolling motion, are known problems.
- pillar and overhead cranes as well as transfer carts are generally used for transferring the winding shafts. The cranes are normally manually operated, incurring major labour costs in shift work.
- the object of the invention is to provide a new and improved solution for handling winding shafts.
- the idea of the present solution is that the transfer or returning of the winding shafts at the side of the fibrous web processing device is carried out by moving the winding shafts in their longitudinal direction.
- the orientation of the winding shaft, which is transverse to the track of the processing device is changed by means of a turning device to be parallel to the track for transfer.
- the transfer in a parallel orientation relative to the track between winding stations is carried out by carriage means.
- the present solution provides a compact solution which may function automatically, and a crane is not needed for transferring the winding shaft between the winding stations. In the solution it is also easy to arrange sufficient time and space for emptying the residual web from the winding shaft.
- the track's moving direction A is from left to right.
- the web is fed from a paper or board machine, a laminating machine or the like to a winder W where mother rolls 1' are formed.
- Full-wound mother rolls 1" are transferred, for example by rolling on rails 2, to a storage S.
- the mother roll 1''' is transferred to an unwinding station UW from which the unwound web is carried to a slitter or other converting.
- the winding, storage and unwinding take place with the winding shaft disposed in a transverse orientation relative to the track's moving direction.
- a substantially emptied winding shaft 3' is transferred, preferably by means of a hydraulic power device, to a cart which transfers the winding shaft, substantially in the direction of arrow B, to the side of the track. Then the winding shaft 3" is transferred, preferably by means of a hydraulic power device, to a first turning device 11. Said power devices may also be pneumatically or electrically operated. Then the winding shaft 3 is turned in the horizontal plane, preferably in the direction of arrow C, by substantially 90 degrees to lie parallel to the track before return transfer in a direction opposite to the track's direction A.
- the winding shaft is transferred to a cart 6 which transfers the winding shaft via emptying to a second turning device 12, and before being returned to the winder W, the empty winding shaft 4 is again turned, preferably in the direction of arrow F, by substantially 90 degrees in the horizontal plane and is returned to the track in a direction perpendicular to the track's moving direction A.
- the returning preferably takes place by means of a cart.
- Carrying the winding shafts between the turning stations 11, 12 takes place by means of at least one reciprocating carriage cart 6.
- the cart 6 transfers the substantially empty winding shaft 3''' to an emptying station E and from there, after being emptied, further to the side of the second turning device 12.
- the empty winding shaft 4' is transferred to the turning device 12, and the cart 6 returns back to the pick-up station.
- the residual web on the winding shaft is removed during transfer into a container 7 located in the cart 6, and the container is emptied, preferably during the return travel, at the emptying station E.
- the emptying takes place by unwinding, but the emptying may alternatively take place by cutting through the layers of fibrous web. Transferring the cart takes place in the guidance of rails 8.
- the structure of one embodiment of the first turning device 11 is as follows.
- a cradle 9 is connected to a turning frame 14 via joints 13. Removing the winding shaft from the cradle takes place by tilting the cradle with a power device 10.
- the winding shaft is pushed out of the cradle by means of a power device.
- the power device may be a hydraulic cylinder, a pneumatic cylinder or an electric motor.
- the turning device 11 is pivotally connected at one end, for instance via a shaft 17 and bearings 16, to a frame 15.
- the latter is supported during turning on a ring 20.
- the carrying wheel is preferably coated with elastic frictional material, such as rubber, polyurethane or the like.
- the turning of the turning device may be implemented by means of a pressure medium driven device, such as a cylinder.
- the structure of the second turning device 12 essentially corresponds to the first turning device 11.
- the turning device 11, 12 may alternatively comprise a crane or other lifting device which is configured to turn the winding shaft to lie parallel to the track and, correspondingly, transversely to the track.
- the transfer between the turning stations may, however, take place by other carriage means than a crane.
- the crane may also function as a carriage means.
- the lateral transfer of the winding shafts to the turning station at the side of the track and back may be carried out by means of a transfer device, such as a cart, moving in a transverse direction relative to the track's direction.
- a transfer device such as a cart
- the cart may be arranged, for example, to be guided by rails.
- the apparatus may comprise transversely moving carts at both turning stations, and a cart moving in the longitudinal direction between the turning stations.
Landscapes
- Replacement Of Web Rolls (AREA)
Description
- The invention relates to a method according to the preamble of claim 1 for handling winding shafts, that is, reel spools. The invention also relates to an apparatus implementing the method. After unwinding, some fibrous web is usually left over these winding shafts, typically in a layer of a few centimetres. In the following, empty winding shafts as well as those containing a small amount of the fibrous web are both referred to as winding shafts.
- In the process of manufacturing a fibrous web, such as paper or board, the fibrous web after the paper or board machine is wound into a machine roll on a winding shaft. The winder is generally referred to as a Pope reeler named after its inventor. Also other winders are known, such as a central driver winder. After winding, the machine rolls are temporarily stored, typically parallel to the track, in several storage sites before unwinding. Because the machine rolls are very heavy, they are transferred either by rolling the reel spools inside the machine rolls along support rails or by means of a crane.
- Next, the machine rolls are transferred to an unwinder from which the unwound web is transferred to a slitter or to the next processing stage. The winding shafts are returned to the winder. The returning involves a number of problems. The winding shafts are large, as their length may be even up to ten metres, and heavy. Their transferring causes many difficulties. The common method of transferring by rolling requires rolling rails. The difficulty in their positioning and their wearing, as well as the difficulty of controlling the rolling motion, are known problems. Further, pillar and overhead cranes as well as transfer carts are generally used for transferring the winding shafts. The cranes are normally manually operated, incurring major labour costs in shift work.
- One problem involves emptying the residual fibrous web left over the winding shaft. This requires finding enough space and time to do it.
- In
Finnish patent publication FI 121461 B - The object of the invention is to provide a new and improved solution for handling winding shafts.
- More specifically, the invention is characterised by the features presented in the independent claims.
- The idea of the present solution is that the transfer or returning of the winding shafts at the side of the fibrous web processing device is carried out by moving the winding shafts in their longitudinal direction. Thus, the orientation of the winding shaft, which is transverse to the track of the processing device, is changed by means of a turning device to be parallel to the track for transfer. The transfer in a parallel orientation relative to the track between winding stations is carried out by carriage means.
- The present solution provides a compact solution which may function automatically, and a crane is not needed for transferring the winding shaft between the winding stations. In the solution it is also easy to arrange sufficient time and space for emptying the residual web from the winding shaft.
- Some embodiments of the invention are described in more detail in the accompanying figures in which
-
Figure 1 shows a lay-out view of a winding shaft at different stages of the transfer system and parts of the apparatus, -
Figure 2 shows a partly sectional side view of aturning device 11, and -
Figure 3 shows a central sectional view of aturning device 11 and atransfer cart 6. - As shown in
Figure 1 , the track's moving direction A is from left to right. The web is fed from a paper or board machine, a laminating machine or the like to a winder W where mother rolls 1' are formed. Full-wound mother rolls 1" are transferred, for example by rolling onrails 2, to a storage S. From the storage the mother roll 1''' is transferred to an unwinding station UW from which the unwound web is carried to a slitter or other converting. The winding, storage and unwinding take place with the winding shaft disposed in a transverse orientation relative to the track's moving direction. - A substantially emptied winding shaft 3' is transferred, preferably by means of a hydraulic power device, to a cart which transfers the winding shaft, substantially in the direction of arrow B, to the side of the track. Then the winding
shaft 3" is transferred, preferably by means of a hydraulic power device, to afirst turning device 11. Said power devices may also be pneumatically or electrically operated. Then thewinding shaft 3 is turned in the horizontal plane, preferably in the direction of arrow C, by substantially 90 degrees to lie parallel to the track before return transfer in a direction opposite to the track's direction A. From theturning device 11 the winding shaft is transferred to acart 6 which transfers the winding shaft via emptying to asecond turning device 12, and before being returned to the winder W, the emptywinding shaft 4 is again turned, preferably in the direction of arrow F, by substantially 90 degrees in the horizontal plane and is returned to the track in a direction perpendicular to the track's moving direction A. The returning preferably takes place by means of a cart. - Carrying the winding shafts between the
turning stations carriage cart 6. Thecart 6 transfers the substantially empty winding shaft 3''' to an emptying station E and from there, after being emptied, further to the side of thesecond turning device 12. The empty winding shaft 4' is transferred to theturning device 12, and thecart 6 returns back to the pick-up station. - In one embodiment of the invention, in order to speed up the operating time, the residual web on the winding shaft is removed during transfer into a
container 7 located in thecart 6, and the container is emptied, preferably during the return travel, at the emptying station E. Preferably, the emptying takes place by unwinding, but the emptying may alternatively take place by cutting through the layers of fibrous web. Transferring the cart takes place in the guidance ofrails 8. - The structure of one embodiment of the
first turning device 11 is as follows. A cradle 9 is connected to aturning frame 14 viajoints 13. Removing the winding shaft from the cradle takes place by tilting the cradle with apower device 10. Alternatively, the winding shaft is pushed out of the cradle by means of a power device. The power device may be a hydraulic cylinder, a pneumatic cylinder or an electric motor. Theturning device 11 is pivotally connected at one end, for instance via ashaft 17 andbearings 16, to aframe 15. At the other end of the turning frame there is mounted apower device 18, preferably a gear motor, its output shaft being provided with a carryingwheel 19. The latter is supported during turning on aring 20. The carrying wheel is preferably coated with elastic frictional material, such as rubber, polyurethane or the like. Alternatively, the turning of the turning device may be implemented by means of a pressure medium driven device, such as a cylinder. - The structure of the
second turning device 12 essentially corresponds to thefirst turning device 11. - According to one embodiment, the
turning device - The lateral transfer of the winding shafts to the turning station at the side of the track and back may be carried out by means of a transfer device, such as a cart, moving in a transverse direction relative to the track's direction. The cart may be arranged, for example, to be guided by rails. Thus, the apparatus may comprise transversely moving carts at both turning stations, and a cart moving in the longitudinal direction between the turning stations.
Claims (6)
- A method for returning substantially emptied winding shafts (3) from an unwinder (UW) of a fibrous web back to a winder of a fibrous web after being emptied, the winding shafts (3, 4) being returned at the side of the track, characterized in that after being transferred to the side from the unwinder (UW), the winding shaft (3) is turned by means of a first turning device (11) located at the unwinder (UW) in the horizontal plane by substantially 90 degrees to lie parallel to the track before return transfer in a direction opposite to the track's direction (A), and before being returned to the winder (W) the empty winding shaft (4) is again turned by means of a second turning device (12) located at the winder (W) by substantially 90 degrees in the horizontal plane, and it is returned to the track in a direction perpendicular to the track's moving direction (A), and wherein the transfer is carried out in a parallel orientation relative to the track by means of at least one transfer cart (6) reciprocating between the turning devices (11, 12) at the winding stations.
- The method according to claim 1, characterized in that the fibrous web left over the winding shaft (3) is removed between winding shaft turning stations (11,12).
- The method according to any of the preceding claims, characterized in that the remaining web on the winding shaft is removed during transfer into a container (7) located in a cart (6), and the container is emptied during travel at an emptying station (E).
- The method according to any of the preceding claims, characterized in that emptying the remaining web is carried out by unwinding.
- An apparatus for returning substantially emptied winding shafts (3) from an unwinder (UW) of a fibrous web back to a winder (W) of a fibrous web, the winding shafts (3, 4) being returned at the side of the track by a carriage means, characterized in that the apparatus comprises a first turning device (11) at the unwinder (UW) for turning the winding shafts (3) in the horizontal plane by substantially 90 degrees so that the shaft lies parallel to the track, and a second turning device (12) at the winder (W) for turning empty winding shafts (4) in the horizontal plane by substantially 90 degrees so that the shaft lies transverse to the track's direction, and wherein the carriage means are configured to transfer the winding shafts longitudinally and in a parallel orientation relative to the track, and further, the winding shaft carriage means between turning stations provided with the turning devices (11, 12) is at least one reciprocating transfer cart (6).
- The apparatus according to any of the preceding claims, characterized in that the turning device (11) is pivotally connected at one end to a frame (15), and that at the other end of a turning frame there is mounted a power device (18), its output shaft being provided with a carrying wheel (19) which is supported during turning on a ring (20).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20160127A FI126726B (en) | 2016-05-16 | 2016-05-16 | Method and apparatus for treating roller shafts |
PCT/FI2017/050369 WO2017198901A1 (en) | 2016-05-16 | 2017-05-15 | Method and apparatus for handling winding shafts |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3458397A1 EP3458397A1 (en) | 2019-03-27 |
EP3458397A4 EP3458397A4 (en) | 2020-04-01 |
EP3458397B1 true EP3458397B1 (en) | 2021-06-30 |
Family
ID=58667401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17798815.1A Active EP3458397B1 (en) | 2016-05-16 | 2017-05-15 | Method and apparatus for handling winding shafts |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3458397B1 (en) |
FI (1) | FI126726B (en) |
WO (1) | WO2017198901A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITFI20030303A1 (en) * | 2003-12-02 | 2005-06-03 | Perini Fabio Spa | PLANT FOR THE MANIPULATION OF PAPER COILS O |
EP2424801B1 (en) * | 2009-04-27 | 2015-01-14 | Valmet Technologies, Inc. | Support apparatus, handling system and method |
FI122724B (en) * | 2009-12-01 | 2012-06-15 | Metso Paper Inc | ORGANIZATION AND METHOD WITH FIXED ROLLER |
FI124671B (en) * | 2009-12-22 | 2014-11-28 | Valmet Technologies Inc | Device and method for machine rolls |
FI9418U1 (en) * | 2011-06-21 | 2011-10-21 | Metso Paper Inc | Arrangement for handling empty winding shafts |
-
2016
- 2016-05-16 FI FI20160127A patent/FI126726B/en active IP Right Grant
-
2017
- 2017-05-15 EP EP17798815.1A patent/EP3458397B1/en active Active
- 2017-05-15 WO PCT/FI2017/050369 patent/WO2017198901A1/en active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
FI126726B (en) | 2017-04-28 |
WO2017198901A1 (en) | 2017-11-23 |
EP3458397A4 (en) | 2020-04-01 |
FI20160127A (en) | 2017-04-28 |
EP3458397A1 (en) | 2019-03-27 |
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