EP1457272A2 - Device for changing rolls on calenders - Google Patents

Device for changing rolls on calenders Download PDF

Info

Publication number
EP1457272A2
EP1457272A2 EP04001048A EP04001048A EP1457272A2 EP 1457272 A2 EP1457272 A2 EP 1457272A2 EP 04001048 A EP04001048 A EP 04001048A EP 04001048 A EP04001048 A EP 04001048A EP 1457272 A2 EP1457272 A2 EP 1457272A2
Authority
EP
European Patent Office
Prior art keywords
rollers
roller
roller carrier
calender
lifting
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
EP04001048A
Other languages
German (de)
French (fr)
Other versions
EP1457272B1 (en
EP1457272A3 (en
Inventor
Jeanette Militzer
Torsten Raasch
Werner Wedekind
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harburg Freudenberger Maschinenbau GmbH
Original Assignee
Harburg Freudenberger Maschinenbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DE2003110468 priority Critical patent/DE10310468A1/en
Priority to DE10310468 priority
Application filed by Harburg Freudenberger Maschinenbau GmbH filed Critical Harburg Freudenberger Maschinenbau GmbH
Publication of EP1457272A2 publication Critical patent/EP1457272A2/en
Publication of EP1457272A3 publication Critical patent/EP1457272A3/en
Application granted granted Critical
Publication of EP1457272B1 publication Critical patent/EP1457272B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00Calenders; Smoothing apparatus
    • D21G1/02Rolls; Their bearings
    • D21G1/0293Provisions or constructions to facilitate the removal of the rolls
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00Calenders; Smoothing apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B31/00Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts

Abstract

The changing device for a calender roll unit (1) has a roll carrier able to rotate in a calender stand (2), holding at least two rolls (6, 7). The rolls can be changed on the carrier, which has at least one guide for each roll, into which the rolls can be inserted with a roll bearing (8) relative to the axis of rotation of the roll carrier in the radial direction.

Description

Device for changing rolls on calenders, at least has a roller carrier which is rotatable by at least one calender stand is supported and the at least temporary simultaneous retention of at least two rollers is formed

With the help of the calender, for example, profile strips getting produced. Typically, this will be processed Conveyed material between two rollers, of which the lower roller with a smooth surface and provide the upper roller with a profiled surface is. The profile of the top roller establishes the profile of the manufactured one Product.

To produce different products, it is necessary the profile in the area of the upper roller to the current one Adapt product. This can be done, for example, by that the upper roller from a roller core and a interchangeable roller jacket. It is also, for example known from DE 44 12 862 C1, in the area of a rotatably arranged roller carrier four different Position rollers. When the The roller carrier is the roller required above the positioned lower roller. When using this Device is thus possible without changing the roller optionally produce four different products.

The devices known from the prior art for Changing rollers is not yet the best way to do this suitable to carry out the change process both with a small expenditure of time as well as with a large one Flexibility with regard to the rollers that can be used.

The object of the present invention is therefore a device to construct of the type mentioned in the introduction, that producing a large number of different Products supported and the execution of the change process is made possible with little expenditure of time.

This object is achieved in that the Rollers are arranged interchangeably on the roll carrier and that the roller carrier has at least one guide for each of the rollers has, in which the rollers with a roller bearing relative to an axis of rotation of the roller carrier in a radial Direction can be used and removed.

Due to the interchangeable arrangement of the rollers on the roller carrier it is possible to choose any number of different ones Provide rollers, each one specific Product are assigned. In particular, it is still possible during production with the currently used one Roll the for the execution of the next production process intended roll in the area of the roll carrier to position and carry out the following Tempering production. The exchange of the active production roller against that for carrying out the next Production roller provided can then be very can be carried out in a short amount of time.

A replacement of one of the rollers with simultaneous production use another roller is supported that an insertion and removal of the rollers in the Roll carrier is provided in the vertical direction.

An advantageous storage is provided in that the roller carrier by means of rollers in the area of a frame upper part of the calender stand is stored.

For positioning a roller in a Production positioning is proposed that the roller carrier formed from at least one rotor disk which is a toothing for connection to at least one Has drive gear.

A typical arrangement with two rollers for material processing is provided in that adjacent to Roller carrier a counter roller for the rollers is arranged.

To ensure a constant roller distance in Longitudinal direction of the rolls even if roll deflection occurs it is proposed that the counter roller and at least one of the rollers has a longitudinal axis offset relative to one another exhibit.

An exchange process of the rollers is supported that the roller carrier is arranged adjustable in height is.

Simple height adjustability is provided that the roller carrier together with the upper part of the frame is arranged pivotably.

To provide the necessary adjustment forces proposed that for positioning the roller carrier hydraulic drive is used.

A typical field of application is defined in that the calender is designed for the production of profiled sheets is.

In particular, it is thought that the calender for processing of elastomeric materials.

A preferred application is that the calender trained for the production of treads for tires is.

To support appropriate material processing it is provided that between the counter roller and the adjacent roller in a production position Gap extends.

A typical dimensioning is that the gap has a dimension in the range of 0.2 to 10 mm.

A simple drive concept is provided that used at least two motors to drive the rollers are.

For driving the stationary counter roll, that the counter roll is coupled to a motor.

A simple drive concept for the interchangeable rollers is provided in that everyone in the area of Roller carrier arranged rollers together exactly one motor assigned.

The drive system is further simplified by that the motors are designed as geared motors are.

A connection of a selectable roller in the area of The roller carrier with the associated drive takes place that the motor can be connected to one of the rollers via a coupling is.

A play-free fixation of the roller carrier in a production positioning while being mechanically relieved Rolling takes place in that the roller carrier of a Lifting device free of play in an assigned storage can be pressed in.

An advantageous provision of the required actuating forces can be done in that the lifting device is hydraulic is trained.

A play-free arrangement of the roller in the area of the roller carrier in a production positioning, that the roller bearings by a lifting device without play the associated guide of the roller carrier can be pressed in.

With this fixation, in particular, that the lifting device is hydraulic.

To provide an optimal processing temperature for the material to be processed it is proposed that the rollers are provided with a heating device.

A structurally simple supply of the required thermal energy can be done in that the heating device Hot water pipes is formed.

Exemplary embodiments of the invention are shown schematically in the drawings. Show it:

Fig. 1
A side view of a calender with roller bearings shown in section,
Fig. 2
2 shows a side view of the calender according to viewing direction 2 in FIG. 1,
Fig. 3
the calender according to FIG. 2 after lifting and pivoting a frame upper part holding the roller carrier,
Fig. 4
a side view of the calender according to viewing direction IV in Figure 1 and
Fig. 5
an enlarged schematic representation to illustrate a roller guide of the roller carrier in the region of the upper part of the frame.

Figure 1 shows a calender (1) with a calender stand (2) is provided. The calender stand (2) exists consisting of a lower frame part (3) and an upper frame part (4). In the area of the upper frame part (4) is a roller carrier (5) arranged in the illustrated embodiment (2) supports the rollers (6, 7).

The rollers (6, 7) can be rotated via roller bearings (8) arranged in the area of the roller support (5). In the area of A lower roller (9) is arranged on the lower frame part (3), which is rotatably mounted on roller bearings (10). For a motor (11) is provided for driving the roller (9). A geared motor can in particular be used as the motor (11) become.

For driving the rollers (6, 7) in the area of the roller carrier (5) a motor (12) is provided, which is also can be designed as a geared motor. The engine (12) is via a clutch (13) with that of the Rollers (6, 7) connected adjacent to the counter roller (9) is arranged.

The counter roller (9) is formed with a smooth surface. The rollers (6, 7) have at least some areas a profiled surface or are smooth. Heating devices are used to temper the rollers (6, 7) (14) used. The heaters (14) can designed as pipes for a hot water circuit his.

The side view of Figure 2 illustrates that Frame upper part (4) of two lifting devices (15) relative can be positioned relative to the lower frame part (3). The lifting device (15) is designed as a hydraulic cylinder.

The lifting movement is accompanied by a swiveling movement performed around a pivot bearing (16). hereby it is possible, for example, with two lifting devices (15) for differently performing the lifting movement Specify inclination in the working state to a defined Realize inclination or around a control positioning the rollers.

In the illustrated embodiment, the roller carrier (6) from two separate rotor disks (17). The rotor disks (17) are in a guideway (18) of the upper frame part (4) stored. The storage takes place under Use of rollers (19) from the rotor disc (17) are worn and roll along the guideway (18). The rotor disc (17) has a toothing (20) in the gears (21) engage to drive the rotor disk (17) to be provided.

The rotor disk can be lifted (22) (17) in the area of the upper part of the frame here clamp that a backlash-free bracket in the production positioning provided. About lifting devices (23) the roller bearings (10) in the area of the rotor disc (17) tense. This also makes a backlash-free Arrangement guaranteed. Both the lifting device (22) and the lifting device (23) can also be of hydraulic cylinders be formed.

Figure 3 shows the arrangement of Figure 2 after activation the lifting device (15). After extending the Hydraulic cylinder is the upper part of the frame (4) Swivel bearing (16) pivoted around. The lifting devices (22, 23) are retracted, so that rotation of the rotor disk (17) in the area of the upper frame part (4) possible is. The rotor disc (17) can in this operating state be rotated by 180 ° so that the in the drawing roller (6) shown above with roller (7) Position swapped. After retracting the lifting device (15) can immediately continue production become. The extruder head must be retracted for this process not mandatory. The entire change process typically takes a maximum of five minutes.

In the operating state according to FIG. 2, the upper roller (6) can be exchanged for another roller (6) without the production process in the area of the roller (7) is interrupted should be. It is also after an exchange the roller (6) possible, this using the heating device (14) with their optimal operating temperature Mistake. 3 can this provides an optimally prepared roller (6) become.

The roller carrier (5) has guides (25) for the roller bearings (8), which is relative to an axis of rotation (26) of the Roller support (5) essentially in a radial direction (27) extend.

Figure 4 illustrates in a side view of the calender (1) the arrangement of the motors (11, 12). Through the Training of the motors (11, 12) as geared motors can a single drive of the rollers (6, 7, 9) using Bevel gearboxes. This will make both Use of gear shafts as well as the use of additional brakes avoided because of the engine braking properties the necessary for an emergency stop operation Provide braking forces.

FIG. 5 shows a partially enlarged view Illustration of a cross section of the rotor disk (17) in the area of one of the rollers (19). It can be seen in particular that the rollers (19) in the production position shown in the area of a trough-like guideway (18) engage in the upper frame part (4). Figure 5 illustrates positioning the rotor disc (17) relatively to the upper part of the frame (4) during activation of the Lifting devices (22). This is in accordance with the operating state Figure 5 still a gap (24) between the rotor disc (17) and the guideway (18). After one Bracing the components using the lifting device (22) the rotor disc (17) against the guideway (18) pressed.

In the area of the other opposing boundary surfaces the upper part of the frame (4) and the rollers (19) remains even after the lifting devices have been activated (22) a crack. This ensures that the rotor disc (17) in the unstressed state only is guided over the rollers (19) and that in tensioned condition a flat pressure contact between the Rollers (19) and the upper frame part (4) is avoided, so that the rollers (19) from the pressure forces of the lifting device (22) are unencumbered.

Claims (25)

  1. Device for changing rollers on calenders, which has at least one roller carrier, which is rotatably supported by at least one calender stand and which is designed for at least temporarily holding at least two rollers, characterized in that the rollers (6, 7) are exchangeable on the roller carrier (5) are arranged and that the roller support (5) for each of the rollers (6, 7) has at least one guide (25) into which the rollers (6, 7) with a roller bearing (8) relative to an axis of rotation (26 ) of the roller carrier (5) can be inserted and removed in the radial direction (27).
  2. Device according to claim 1, characterized in that the rollers (6, 7) are inserted and removed in the roller carrier (5) in the vertical direction.
  3. Apparatus according to claim 1 or 2, characterized in that the roller carrier (5) is mounted by means of rollers (19) in the region of an upper frame part (4) of the calender stand (2).
  4. Device according to one of claims 1 to 3, characterized in that the roller carrier (5) is formed from at least one rotor disc (17) which has a toothing (20) for connection to at least one drive gear (21).
  5. Device according to one of claims 1 to 4, characterized in that a counter-roller (9) for the rollers (6, 7) is arranged adjacent to the roller carrier (5).
  6. Device according to one of claims 1 to 5, characterized in that the counter-roller (9) and at least one of the rollers (6, 7) have a longitudinal axis offset relative to one another.
  7. Device according to one of claims 1 to 6, characterized in that the roller carrier (5) is arranged to be adjustable in height.
  8. Device according to one of claims 1 to 7, characterized in that the roller carrier (5) is arranged pivotably together with the upper frame part (4).
  9. Device according to one of claims 1 to 8, characterized in that a hydraulic drive is used to position the roller carrier (5).
  10. Device according to one of claims 1 to 9, characterized in that the calender (1) is designed for the production of profile webs.
  11. Device according to one of claims 1 to 10, characterized in that the calender (1) is designed for processing elastomeric materials.
  12. Device according to one of claims 1 to 11, characterized in that the calender (1) is designed for the production of profiled sheets for tires.
  13. Device according to one of claims 1 to 12, characterized in that a gap extends between the counter roll (9) and the adjacent roll (6, 7) in a product positioning.
  14. Device according to claim 13, characterized in that the gap has a dimension in the range from 0.2 to 10 mm.
  15. Device according to one of claims 1 to 14, characterized in that at least two motors (11, 12) are used to drive the rollers (6, 7, 9).
  16. Device according to one of claims 1 to 15, characterized in that the counter roller (9) is coupled to a motor (11).
  17. Device according to one of claims 1 to 16, characterized in that all of the rollers (6, 7) arranged in the region of the roller carrier (5) are jointly assigned exactly one motor (12).
  18. Device according to one of claims 1 to 17, characterized in that the motors (11, 12) are designed as geared motors.
  19. Device according to one of claims 1 to 18, characterized in that the motor (12) can be connected to one of the rollers (6, 7) via a coupling (13).
  20. Device according to one of claims 1 to 19, characterized in that the roller carrier (5) can be pressed into an associated bearing without play by a lifting device (22).
  21. Apparatus according to claim 20, characterized in that the lifting device (22) is hydraulic.
  22. Device according to one of claims 1 to 21, characterized in that the roller bearings (8) can be pressed into the associated guide of the roller carrier (5) without play by a lifting device (23).
  23. Apparatus according to claim 22, characterized in that the lifting device (23) is hydraulic.
  24. Device according to one of claims 1 to 23, characterized in that the rollers (6, 7) are provided with a heating device (14).
  25. Apparatus according to claim 24, characterized in that the heating device (14) is formed from hot water pipes.
EP20040001048 2003-03-11 2004-01-20 Device for changing rolls on calenders Expired - Fee Related EP1457272B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE2003110468 DE10310468A1 (en) 2003-03-11 2003-03-11 Device for changing rolls on calenders
DE10310468 2003-03-11

Publications (3)

Publication Number Publication Date
EP1457272A2 true EP1457272A2 (en) 2004-09-15
EP1457272A3 EP1457272A3 (en) 2006-01-04
EP1457272B1 EP1457272B1 (en) 2008-04-16

Family

ID=32748185

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040001048 Expired - Fee Related EP1457272B1 (en) 2003-03-11 2004-01-20 Device for changing rolls on calenders

Country Status (4)

Country Link
EP (1) EP1457272B1 (en)
AT (1) AT392274T (en)
DE (2) DE10310468A1 (en)
ES (1) ES2305587T3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009053136A1 (en) * 2007-10-18 2009-04-30 Continental Aktiengesellschaft Device for changing the cross-sectional shape of an extruded round cord made from a rubber mixture
WO2016046030A2 (en) * 2014-09-23 2016-03-31 Andritz Küsters Gmbh Calender
CN106077102A (en) * 2016-07-13 2016-11-09 邯钢集团邯宝钢铁有限公司 A kind of Mill speedy erection system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US494904A (en) * 1893-04-04 Edwin henry story
US2997944A (en) * 1958-02-04 1961-08-29 Western Board Mills Ltd Roller presses and mills for performing mangling, calendering, embossing and similarand other pressure-applying operations
DE4412862C1 (en) * 1994-04-14 1995-08-10 Berstorff Gmbh Masch Hermann Rapid roll changer, for high quality calendering and embossing of
US5761945A (en) * 1993-10-18 1998-06-09 Vandenbroucke; Jack-Eric Quick automated tool changer roll forming apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3416212C2 (en) * 1984-05-02 1986-12-18 Kleinewefers Gmbh, 4150 Krefeld, De
DE19856517C2 (en) * 1998-12-08 2001-02-15 Voith Paper Patent Gmbh Device for exchanging rolls in a calender

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US494904A (en) * 1893-04-04 Edwin henry story
US2997944A (en) * 1958-02-04 1961-08-29 Western Board Mills Ltd Roller presses and mills for performing mangling, calendering, embossing and similarand other pressure-applying operations
US5761945A (en) * 1993-10-18 1998-06-09 Vandenbroucke; Jack-Eric Quick automated tool changer roll forming apparatus
DE4412862C1 (en) * 1994-04-14 1995-08-10 Berstorff Gmbh Masch Hermann Rapid roll changer, for high quality calendering and embossing of

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009053136A1 (en) * 2007-10-18 2009-04-30 Continental Aktiengesellschaft Device for changing the cross-sectional shape of an extruded round cord made from a rubber mixture
WO2016046030A2 (en) * 2014-09-23 2016-03-31 Andritz Küsters Gmbh Calender
WO2016046030A3 (en) * 2014-09-23 2016-06-16 Andritz Küsters Gmbh Calender
EP3415676A3 (en) * 2014-09-23 2019-01-02 Andritz Küsters GmbH Calendar
CN106077102A (en) * 2016-07-13 2016-11-09 邯钢集团邯宝钢铁有限公司 A kind of Mill speedy erection system
CN106077102B (en) * 2016-07-13 2017-10-17 邯钢集团邯宝钢铁有限公司 A kind of Mill speedy erection system

Also Published As

Publication number Publication date
EP1457272B1 (en) 2008-04-16
ES2305587T3 (en) 2008-11-01
DE10310468A1 (en) 2004-09-23
DE502004006806D1 (en) 2008-05-29
EP1457272A3 (en) 2006-01-04
AT392274T (en) 2008-05-15

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