EP0624118A1 - Dispositif pour la rectification d'une surface cylindrique, en particulier du cylindre d'une machine a papier. - Google Patents

Dispositif pour la rectification d'une surface cylindrique, en particulier du cylindre d'une machine a papier.

Info

Publication number
EP0624118A1
EP0624118A1 EP93922488A EP93922488A EP0624118A1 EP 0624118 A1 EP0624118 A1 EP 0624118A1 EP 93922488 A EP93922488 A EP 93922488A EP 93922488 A EP93922488 A EP 93922488A EP 0624118 A1 EP0624118 A1 EP 0624118A1
Authority
EP
European Patent Office
Prior art keywords
support
bearing block
guide
base
guide rail
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
EP93922488A
Other languages
German (de)
English (en)
Other versions
EP0624118B1 (fr
Inventor
Urs Maier
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.)
Farros Blatter AG
Original Assignee
Farros Blatter AG
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
Application filed by Farros Blatter AG filed Critical Farros Blatter AG
Publication of EP0624118A1 publication Critical patent/EP0624118A1/fr
Application granted granted Critical
Publication of EP0624118B1 publication Critical patent/EP0624118B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/363—Single-purpose machines or devices for grinding surfaces of revolution in situ

Definitions

  • the invention relates to a device for grinding a cylinder surface, in particular a roller of a paper machine, according to the preamble of claim 1.
  • the object of the invention is to design a grinding device of the type mentioned at the outset in such a way that it can be used between cylinders which are close together.
  • the belt grinder has a support arm, which is preferably pivotably arranged on the frame and carries a bearing block for the contact disk, which can be attached to a cylinder surface to be ground.
  • the necessary contact pressure as well as the spacing is ensured by a support device which is arranged between the bearing block and a base, ie a cylinder. With the help of the grinding device, a cylinder surface can be ground from closely spaced cylinders without having to be removed.
  • An embodiment according to claim 2 is particularly advantageous, as a result of which the frame can be adjusted to the respective distances between the cylinders.
  • a wide variety of drive types are possible for moving the frame and thus the grinding device along the cylinder surface.
  • a drive device can be provided at the ends of the cylinders, which moves the frame along the cylinder surface by means of a pulling element or a drive spindle.
  • an embodiment according to claim 3 is particularly advantageous.
  • the feet of the support members can have rollers or balls, by means of which they are supported on a base, ie a cylinder surface.
  • a configuration according to claim 4 is particularly advantageous, which not only ensures a particularly smooth, vibration-free run, but also the lowest frictional resistance offers and in particular allows that movement in different directions is possible.
  • the frame can thus be moved along a stationary as well as a rotating cylinder surface.
  • a particularly simple attachment of the bearing block to the support arm describes claim 5. It is particularly advantageous if the bearing block is pivotally connected to the support arm according to claim 6, whereby the alignment of the contact disk on the cylinder surface to be ground is facilitated.
  • the cardanic suspension of the contact disk according to claim 7 is particularly advantageous. However, a floating mounting of the axis of the contact disk is also possible.
  • the delivery device there are various possibilities for the formation of the delivery device.
  • this can be integrated in the support device between the bearing block and a base.
  • the support device can be supported directly on the base by means of a roller or, according to claim 12, on a guide ruler connected to the base to improve the guidance.
  • An advantageous delivery device is described in claim 9. A configuration according to claim 10 and in particular in a further development according to claim 11 is more advantageous.
  • a further development of the grinding device according to claim 12 is also particularly advantageous in order to ensure exact alignment and guidance of the contact disk on the cylinder surface to be ground, regardless of the quality of the base.
  • Claim 13 describes a particularly simple and effective possibility of fastening the base device to the base, in particular to the cylinder surface of an adjacent cylinder.
  • the embodiment according to claim 15 provides a reference variable for aligning the guide ruler.
  • Claim 16 describes a particularly expedient type of arrangement and possibility of tensioning the steel wire.
  • the development according to claim 17 makes it possible to determine the radial orientation of the guide device with respect to the base and the surface to be ground, which is given when both sensors indicate the same value. The setting itself is made by rotating the pad.
  • the arrangement of the drive motor according to claim 19 is particularly space-saving and enables a very compact design of the device.
  • Figure 1 shows a first arrangement of the grinding device between three cylinders, in view transverse to the direction of travel;
  • Figure 2 shows a second arrangement of the grinding device between three cylinders, in view transverse to the direction of travel;
  • Figure 3 shows the grinding device in section
  • Figure 4 shows the contact plate with the support device in view IV-IV of the figure
  • FIG. 5 shows the arrangement according to FIG. 4 with the contact roller at a minimal distance from the base
  • Figure 6 shows the support device in the view
  • Figure 7 shows the support device of Figure 6 in
  • Figure 8 shows the base of the support device in
  • Figure 9 shows the support device of Figure 6 in
  • Figure 10 shows a device for arranging
  • Figure 11 shows the device of Figure 10 in
  • FIG. 12 shows the arrangement of a further simplified grinding device between three cylinders, viewed transversely to the direction of travel;
  • Figure 13 shows the grinding device of Figure 12 in section XIII-XIII of Figure 12;
  • FIG. 14 shows the arrangement according to FIG. 13 in
  • FIGS. 1 and 2 show the overall view of a grinding device in different positions on three cylinders Z 1 , Z 2 , Z 3 , the axes of which form the corners A, B, C of a triangle, the cylinder surfaces having a mutual radial distance X 1 , X 2 , X 3 have different sizes.
  • the cylinders can in particular be rollers of a paper machine.
  • the grinding device contains a frame 2 with a central body 4, on which two three support members 6 1 , 6 2 , 6 3 are arranged in pairs and in a star shape, which are located on base parts 8 1 , 8 2 on base parts, ie the cylinders Z 1 , Z 2 , Z 3 support.
  • the foot parts 8 1 are designed as cushions 10 which have air outlet openings 12 for the discharge of compressed air against the cylinder surface in order to form an air cushion there.
  • foot parts 8 1 are pivotally arranged on a crossbar 16 and 16 adjustable in position by means of screws 18.
  • the support member 6 2 has a foot part 8 1 which is adjustable via a screw spindle 20.
  • the support member 6 3 is designed as a drive device and has a foot part 8 2 , which is designed as an impeller that can be driven by a drive motor 22.
  • the impeller 8 2 interacts with the surface of the cylinder Z 1 and serves to move the grinding device along the cylinders, parallel to their axis.
  • Each support member 62,62,63 contains interchangeable spacers 23 to the support members on the respective distance X 1 , X 2 , X 3 of the cylinder surfaces.
  • At least one belt grinder 24 is preferably arranged on the frame 2, two belt grinders 24 1 , 24 2 are arranged, each of which contains a support arm 26 articulated on the central body 4, which supports a bearing block 28 for a contact disk 30 and a deflection roller 32 with a tensioning device 34.
  • the drive motor 35 of the belt grinder 24 is accommodated in the central body 4 and drives the grinding belt 36 guided over the contact disk 30 and the deflection roller 32.
  • a support device 38 is arranged between the bearing block 28 and the cylinder Z 1 serving as a base.
  • This contains base devices 40 which can be connected to the cylinder Z 1 and which carry a guide ruler 42 which contains a guide rail 44 on which a guide chute 46 can be moved.
  • the guide carriage 46 is connected to the bearing block 28 of the contact disk 30 via a spacer 48.
  • the spacer 48 can be exchanged for such other dimensions, so that the length of the support device can be adjusted to the distance X 1 , X 2 , X 3 of the cylinder surfaces, as a comparison of the arrangements according to FIGS. 1 and 2 and 4 and 5 shows.
  • the axis 50 of the support device is aligned coaxially with the radial jet 52, which connects the axes of the cylinders Z 1 , Z 2 .
  • FIG. 3 shows further details of the design of the belt sander.
  • the grinding device has two belt grinding devices 24 1 , 24 2 , which are of identical design and are arranged in mirror image.
  • the drive motor 35 is arranged, which drives the grinding belt 36 by means of a drive disk 54, which over the contact disk 30 and the deflection roller 32 is guided.
  • the deflection roller 32 is connected to the support arm 26 via an indicated tensioning device 34 and via a corresponding clamping device 56.
  • the deflection roller 32 is mounted in a fork guide 58 and can be preloaded by means of a piston / cylinder unit 60.
  • the bearing block 28 carrying the contact disk 30 contains an infeed device 62 for feeding and / or adjusting the contact disk to the cylinder surface to be ground.
  • the axis 64 of the contact disk 30 is fastened to a slide 66 which can be moved on a slide guide 68 of the bearing block 28.
  • An adjusting spindle 74 which is driven by a drive motor 70 via a belt drive 72, interacts with the slide 66 and serves for the controlled adjustment thereof.
  • the bearing block 28 is connected on the one hand via a joint 76 to a clamping device 78 which holds the bearing block 28 on the support arm 26. With the help of the joint 76, the bearing block can be pivoted about an axis 80 which runs parallel to the axis of the contact disk 30.
  • the bearing block 28 is further fastened to the spacer 48 of the support device 38 and is thus further supported on the guide carriage 46 of the guide rail 44 of the guide ruler 42, as already mentioned above.
  • Measuring sensors 82 are arranged on both sides of the slide 66, which probe the surface of the base, ie the cylinder Z 2 , and by means of which the radial alignment of the guide device with the radial jet 52 can be determined. This radial alignment is given when both sensors 82 display the same value.
  • FIG. 5 shows the design of the support device for the smallest possible distance X of the cylinder surfaces, in which case the bearing block 28 is connected directly to the guide slide 46, ie no spacer 48 is used. Further details of the support device are shown in FIGS. 6 to 9.
  • the base device 40 contains a base plate 84 to which four magnetic feet 86 are fastened. These contain permanent magnets, not shown in any more detail, which can be switched from an inactive position to an active position by means of a switch 88, in which the magnetic feet 86 adhere to the base, ie the cylinder surface.
  • a support plate 92 is adjustably connected to the base plate 84, to which the guide ruler 42 is attached.
  • the height adjustment device 90 contains a wedge 94 which is connected to a servomotor 98 via a threaded spindle 96.
  • the wedge 94 cooperates with an inclined surface 100 on the base plate 84.
  • the servomotor 98 By actuating the servomotor 98, the wedge 94 can be displaced along the inclined surface 100 and thereby adjust the support plate 92 in the height direction.
  • the position of the wedge 94 can be determined by means of a dial gauge 102, so that the height or a change thereof can be read taking into account the incline.
  • the guide ruler 42 which carries the guide rail 44, is fastened to the carrier plate 92.
  • the latter has a rail head 104 with a preferably circular cross section.
  • the mentioned guide chute 46 can be moved on the guide rail 44.
  • measuring sensors 106 are arranged on both sides of the guide rail 44, which interact with the guide ruler 42 and determine whether the guide slide 46 is correctly aligned, ie perpendicular to the guide ruler 42, about the axis of the rail head 104.
  • the rail head 104 can also have a polygonal cross-section, ie be prismatic, then an articulated connection must be present in the support device 38, which enables pivoting about an axis which is parallel to the guide rail 44.
  • two parallel steel wires 108 2 and 108 2 running on both sides of the guide rail 44 are tensioned at both ends of the guide ruler, by means of which the guide ruler 42 can be aligned.
  • measuring sensors 110 are arranged on both sides of the guide rail 46 on the guide chute 46, which cooperate with the steel wires 108 2 , 108 2 and measure the distance of the guide carriage 46 from the steel wires 108 2 , 108 2 .
  • the guide ruler is correctly aligned when the guide carriage 46 is radially aligned in the manner described above and the sensors 110 along the entire displacement path of the guide carriage 46 on the guide rail 44 indicate the same distance from the steel wires 108. If the distance varies, the guide ruler 42 must be adjusted using the height adjustment device 90 until the constant distance is reached over the entire length of the guide guide 42.
  • FIGS. 10 and 11 show a device for arranging the steel wires 108 1 , 108 2 , which form sections of a continuous steel wire 108, the ends 112 1 , 112 2 of which are fastened to a first holder 114, which in turn is fixed to one end of the guide rule 42 is arranged.
  • the steel wire runs along the guide guide to the other end of the guide guide 42, to which a second holder 116 with guide rollers 118 1 , 118 2 , 118 3 , 118 4 is fastened.
  • the steel wire 108 is guided around the deflection rollers 118 2 , 118 2 , 118 3 , 118 4 and then runs along the guide rail 42 to the first holder 116 back, where it is guided around a further deflection roller 120 to a measuring device 122 to which the end 1122 of the steel wire 108 is fastened.
  • the measuring device 122 is in turn connected to the first holder 114 via a clamping device 124.
  • the first end 1122 of the steel wire 108 is firmly clamped on the first holder 114.
  • the tension of the steel wire 108 can now be changed by means of the tensioning device 124, the tension of the steel wire being readable on the dial gauge 122.
  • Figures 12 to 14 show a further grinding device, which is identical in terms of the arrangement between the cylinders Z 1 , Z 2 , Z 3 with the grinding device described above, so that the same parts are provided with the same reference numerals.
  • the grinding apparatus includes a frame 2 having a central body 4 of the two sets of three support members 6 1, 6 2, 3 are arranged in pairs and star-shaped, which extends over foot portions 8 1, 8 2 on a base, ie the cylinders Z 1, Z 2 , Support Z 3 .
  • a frame 2 having a central body 4 of the two sets of three support members 6 1, 6 2, 3 are arranged in pairs and star-shaped, which extends over foot portions 8 1, 8 2 on a base, ie the cylinders Z 1, Z 2 , Support Z 3 .
  • At least one belt grinder 128 is in turn arranged on the frame, which contains a support arm 130 articulated on the central body 4, which is no longer free-swinging, but is supported on the central body 4 via a further support arm 132 and thus forms a joint triangle with the first support arm 130.
  • the first support arm 130 carries one Bearing block 134, which is arranged on the support arm 130 by means of an adjustable clamping device, not shown.
  • the axle 138 of the contact disk 140 is mounted in a gimbal suspension 136 on the bearing block 134.
  • the outer frame 142 of the gimbal 136 is connected at one end to the bearing block 134 via a joint 144.
  • a feed device 146 of the support device 148 is articulated via a joint 145.
  • the latter contains a rocker arm 150, which on the one hand is pivotally attached to the bearing block 134 via a joint 152 and is connected at the other end to the delivery device 146 via a further joint 154, which can be, for example, a piston / cylinder unit or a motor-driven adjusting spindle.
  • a bracket 156 is fastened between the joints 152, 154, which carries a roller 158, which cooperates directly with the cylinder Z 1 .
  • connection between the bearing block and the rocker arm 150 is preferably adjustable in length in order to be able to adapt the belt grinding device to cylinders of different distances. Spacers mentioned earlier can serve this purpose or a corresponding adjusting spindle. If necessary, the effective length of the support arm 132 can also be variably connected to the support arm 130 in order to be able to adapt the latter and thus also the bearing block 134 and the associated support device between the cylinders and in particular to be able to align it along the radial jet 52.
  • the contact disk 140 is driven by means of a drive motor 35 arranged in the central body 4, the grinding belt 36 being guided over the drive disk 54, the contact disk 140 and the deflection roller 32, the latter in turn being arranged on the support arm 130 by means of a tensioning device 34 is.
  • a drive motor 35 arranged in the central body 4
  • the grinding belt 36 being guided over the drive disk 54, the contact disk 140 and the deflection roller 32, the latter in turn being arranged on the support arm 130 by means of a tensioning device 34 is.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Paper (AREA)

Abstract

Ce dispositif de rectification présente un châssis (2) avec trois paires d'éléments de support disposés en étoile (61, 62, 63) qui s'appuient par l'intermédiaire de pieds (81, 82) de manière mobile sur une base, c'est-à-dire des cylindres (Z1, Z2, Z3). Une rectifieuse à bande abrasive (24) est fixée sur le châssis (2) et comporte un bras porteur pivotant (26) qui porte un support (28) pour un disque de contact (30). Entre le support (28) et la base (Z1, Z2, Z3) se trouve un dispositif de support (38) comprenant une réglette de guidage (42) qui guide le disque de contact avec précision. Ce dispositif de rectification peut être utilisé entre des cylindres très proches les uns des autres (Z1, Z2, Z3), le châssis (2) s'appuyant sur les cylindres (Z1, Z2, Z3), ce qui permet de rectifier très aisément ces cylindres sans qu'il soit nécessaire de les démonter.
EP93922488A 1992-11-25 1993-10-20 Dispositif pour la rectification d'une surface cylindrique, en particulier du cylindre d'une machine a papier Expired - Lifetime EP0624118B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH3614/92 1992-11-25
CH361492 1992-11-25
PCT/CH1993/000248 WO1994012315A1 (fr) 1992-11-25 1993-10-20 Dispositif pour la rectification d'une surface cylindrique, en particulier du cylindre d'une machine a papier

Publications (2)

Publication Number Publication Date
EP0624118A1 true EP0624118A1 (fr) 1994-11-17
EP0624118B1 EP0624118B1 (fr) 1996-06-26

Family

ID=4259770

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93922488A Expired - Lifetime EP0624118B1 (fr) 1992-11-25 1993-10-20 Dispositif pour la rectification d'une surface cylindrique, en particulier du cylindre d'une machine a papier

Country Status (10)

Country Link
US (1) US5538458A (fr)
EP (1) EP0624118B1 (fr)
JP (1) JP3299279B2 (fr)
KR (1) KR100276091B1 (fr)
AT (1) ATE139723T1 (fr)
CA (1) CA2128610A1 (fr)
DE (1) DE59303079D1 (fr)
ES (1) ES2089851T3 (fr)
FI (1) FI98500C (fr)
WO (1) WO1994012315A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6297096A (en) * 1996-07-17 1998-02-10 Farros Blatter Ag Device for grinding a cylindrical surface, especially a roll for a papermaking machine
FI113354B (fi) * 1997-04-10 2004-04-15 Metso Paper Inc Bombeerattujen telojen nauhahiomalaite
DE10065881A1 (de) * 2000-12-23 2002-07-04 Jaeger Gmbh Roll Service Vorrichtung zum Schleifen einer Außenmantelfläche
JP4504852B2 (ja) * 2005-03-22 2010-07-14 Ｊｆｅメカニカル株式会社 ドライヤーロールの表面調整装置及び表面調整方法
CN112872931B (zh) * 2021-01-28 2022-10-28 南通合盛制辊有限公司 一种应用于辊筒制造加工的双轮高精密研磨机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2195064A (en) * 1938-09-23 1940-03-26 Chrysler Corp Lapping apparatus and method
US2579391A (en) * 1946-06-13 1951-12-18 Paper Patents Co In-place resurfacing of ponderous cylinders
US2651152A (en) * 1950-06-28 1953-09-08 Farrel Birmingham Co Inc Roll grinding device
GB955468A (en) * 1959-04-15 1964-04-15 Kimberly Clark Co Improvements in or relating to the drier drums of paper-making machines
FI71508C (fi) * 1985-10-10 1987-01-19 Rautio Maire Anordning foer slipning av torksylindern hos en pappersmaskin.
DE3631146A1 (de) * 1986-09-12 1988-03-24 Kocks Technik Vorrichtung zur spanabhebenden arbeitsflaechenbearbeitung von walzen
DE3831294A1 (de) * 1988-09-14 1990-03-15 Blatter Farros Ag Verfahren zum kopierschleifen von zylindrischen und sphaerischen oberflaechen und vorrichtung zur durchfuehrung des verfahrens
SE502857C2 (sv) * 1990-01-04 1996-01-29 Lundmark E Förfarande och anordning för bearbetning, särskilt slipning, av valsar och liknande arbetsstycken

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9412315A1 *

Also Published As

Publication number Publication date
FI943406A0 (fi) 1994-07-18
EP0624118B1 (fr) 1996-06-26
DE59303079D1 (de) 1996-08-01
JP3299279B2 (ja) 2002-07-08
CA2128610A1 (fr) 1994-06-09
JPH07503189A (ja) 1995-04-06
KR950700148A (ko) 1995-01-16
ES2089851T3 (es) 1996-10-01
FI98500C (fi) 1997-07-10
ATE139723T1 (de) 1996-07-15
FI98500B (fi) 1997-03-27
KR100276091B1 (ko) 2001-10-22
US5538458A (en) 1996-07-23
FI943406A (fi) 1994-07-18
WO1994012315A1 (fr) 1994-06-09

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