WO2001060566A1 - Dispositif et procede de polissage de rouleau - Google Patents

Dispositif et procede de polissage de rouleau Download PDF

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Publication number
WO2001060566A1
WO2001060566A1 PCT/JP2001/001172 JP0101172W WO0160566A1 WO 2001060566 A1 WO2001060566 A1 WO 2001060566A1 JP 0101172 W JP0101172 W JP 0101172W WO 0160566 A1 WO0160566 A1 WO 0160566A1
Authority
WO
WIPO (PCT)
Prior art keywords
polishing
roll
machine
polishing machine
wheel
Prior art date
Application number
PCT/JP2001/001172
Other languages
English (en)
Japanese (ja)
Inventor
Yukio Akimoto
Toru Otowa
Haruo Noguti
Nobuyosi Fujioka
Hidesi Kuninori
Original Assignee
Nippon Paper Industries Co., Ltd.
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 Nippon Paper Industries Co., Ltd. filed Critical Nippon Paper Industries Co., Ltd.
Publication of WO2001060566A1 publication Critical patent/WO2001060566A1/fr

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00Other accessories for paper-making machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36Single-purpose machines or devices
    • B24B5/363Single-purpose machines or devices for grinding surfaces of revolution in situ
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36Single-purpose machines or devices
    • B24B5/37Single-purpose machines or devices for grinding rolls, e.g. barrel-shaped rolls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B28/00Maintaining rolls or rolling equipment in effective condition
    • B21B28/02Maintaining rolls in effective condition, e.g. reconditioning
    • B21B28/04Maintaining rolls in effective condition, e.g. reconditioning while in use, e.g. polishing or grinding while the rolls are in their stands

Definitions

  • the present invention relates to an apparatus for polishing a hole installed in papermaking equipment, such as a roll in a coating apparatus, and a roll polishing method.
  • a coating liquid containing a synthetic resin and a pigment is coated on the base paper in order to improve the printability of the paper.
  • coating methods such as a bladeco one-time method, a mouth-one-timer one-time method, a force ten-flow coater method, and an air-knife method.
  • the present invention relates to a polishing apparatus and a polishing method applicable to the polishing of rolls in papermaking equipment, such as paper and calendar rolls.
  • the paper When coating on paper, for example, the paper is run along the backing roll of a blade, and the coating liquid is sprayed from the fountain onto the running paper surface, and the coating liquid excessively adhered to the paper surface is removed. Wipe with a blade and spread the coating liquid evenly on the paper surface.
  • the surface of the backing roll is covered with rubber or synthetic resin, so there are relatively few problems during normal running of the paper.However, when an abnormal situation such as cutting of the paper occurs, The roll surface may be scratched or fine particles of the coating liquid may adhere to the roll surface.
  • the paper coated with the coating liquid always travels in contact with the backing roll and presses the coating surface with a blade to evenly distribute the coating liquid on the paper surface. If rolls enter or fine particles of the coating liquid adhere to the rolls and cause irregularities on the roll surface, uneven coating will occur and the quality of the product will deteriorate. Normally, as shown in Fig. 1 or Fig. 4, the roll surface is always washed off with flow-clean water to prevent contamination of the roll surface. In the case of blemishes, stop the coater temporarily and grind the scratches manually to smooth out In addition, the roll surface was cleaned.
  • a method of polishing a roll provided in a papermaking facility A method of polishing a roll provided in a papermaking facility
  • Roll polishing method comprising:
  • the nozzle may be polished with the whetstone while rotating in a normal operating state.
  • the step of bringing the polishing wheel into contact with the roll at a desired pressure is performed by two actuators mounted on the polishing machine, and by operating one of the actuators, the polishing machine is operated.
  • the grinding wheel may be pressed against the roll at the desired pressure by operating the other factor by balancing the weight.
  • the step of bringing the polishing grindstone into contact with the roll with a desired pressing force is performed by a double-acting cylinder piston type actuator attached to the polishing machine, and by pressurizing the piston rod side.
  • the weight of the polishing machine may be balanced, and the polishing wheel may be pressed against the roll at the desired pressure by pressing the piston side.
  • a guide rail provided above the roll and extending parallel to the rotation axis of the roll;
  • a traveling support suspended by the guide rail and capable of traveling along the guide rail; and a polishing machine suspended by the traveling support and movable in a vertical direction, a polishing machine having a polishing grindstone;
  • An actuator provided between the traveling support and the polishing machine to bring the polishing wheel into contact with the roll at a desired pressure
  • a roll polishing apparatus comprising:
  • Two of the actuators are provided, one of the actuators is operable to balance the weight of the polishing machine, and the other of the actuator is capable of applying the polishing wheel at the desired pressure. It may be operable to press against a roll.
  • the actuating unit is a double-acting cylinder piston type actuating unit
  • the piston rod side is pressurized to balance the weight of the polishing machine
  • the piston side is pressurized to achieve the desired pressing force.
  • the grinding wheel may be pressed against the roll.
  • An elevating arm for moving the polishing machine in the vertical direction may be provided between the traveling support and the polishing machine.
  • the traveling support may include a rotating support that is rotatable in a horizontal direction.
  • the polishing wheel can be rotated by a hydraulic motor.
  • the polishing grindstone can be a polishing grindstone reinforced with fibers such as synthetic resin fibers, glass fibers, and carbon fibers.
  • a wiper for preventing the lubricating liquid supplied for polishing from scattering toward the paper on the traveling path may be provided.
  • FIG. 1 is an explanatory front view of a polishing apparatus according to the present invention.
  • FIG. 2 is an explanatory view of a blade with the polishing apparatus of the present invention installed.
  • FIG. 3 is an explanatory view of a blade cop with the polishing apparatus of the present invention.
  • Fig. 4 is a partially enlarged view of Fig. 1.
  • Figure 5 shows a detailed view of the event.
  • Figure 6 is an explanatory perspective view of the grinding wheel.
  • Fig. 7 is a perspective view of a grinding wheel.
  • FIG. 1 is an explanatory front view of a polishing apparatus according to the present invention
  • FIG. 2 shows a roll polishing apparatus according to the present invention applied to a blade roller
  • reference numeral 10 denotes a horizontal member for suspending the polishing apparatus
  • the horizontal member 10 includes a frame for the co., Or a structural material of a building for accommodating the co.
  • 9 is a guide rail, which is attached to the horizontal member.
  • a slide rail 6a fitted to the guide rail 9 is attached to the traveling support 6, and the traveling support 6 is suspended from the guide rail 9 via the slide rail 6a.
  • the traveling support 6 travels in the axial direction of the backing roll R by the rotation output of the thermopowder 8 attached to the traveling support 6. That is, a gear 8 a that rotates in conjunction with the output shaft of the servomotor 8 is a rack-shaped toothed rail 11 fixed to the horizontal member 10 and extending in parallel with the guide rail 9. Accordingly, the traveling support 7 travels with the rotation output of the servomotor 8.
  • the guide rail 9 is longer than the axis of the packing roll R, and is usually provided at one end so that the polishing machine G can be retracted from above the backing opening R when the coating machine is operating or the grinding wheel B is replaced. Is extended to the evacuation area on the left or right side of the coating machine.
  • a rotatable support 4 that is rotatable in the horizontal direction is added to the lower part of the traveling support 6.
  • the elevating arm 2 is attached to the traveling support 6 via the rotary support 4.
  • the rotating support 4 is interposed between the traveling support 6 and the elevating arm 2, the polishing machine G is rotated in the horizontal direction, and the position of the polishing machine G is changed to a position where work is easy. It is possible to replace the grindstone without moving the grinder G to the evacuation area described above.
  • the traveling support 6 may be moved toward the operation side of the machine at the left end or the right end of the guide rail 9, the rotating support 4 may be rotated 90 degrees, and the polishing machine G may be brought close to the operator of the machine. Therefore, it is not always necessary to provide a retreat place for the polisher G by extending the guide rails described above.
  • the polishing wheel B rotatably mounted on the polishing machine G is rotated by the rotation of the hydraulic motor 1.
  • the polishing machine G is mounted on the lifting arm 2 so as to be pressurizable in the downward direction.
  • the polishing machine G can be raised and lowered and pressurized on the surface of the backing roll R by the operation of the hydraulic or pneumatic actuator 3. That is, the operation of Actuator 3 allows polishing wheel B to contact or separate from backing roll R, and also allows polishing wheel B to be pressed against backing roll R with a predetermined pressing force.
  • the actuator 3 is typically a piston cylinder device such as an air cylinder, and the pressing force is adjusted by an air pressure adjusting valve (not shown) connected to the air cylinder.
  • the elevating arm 2 is attached to the rotary support 4 via a pivot pin P so as to be freely rotatable in the vertical direction, and backs the polishing whetstone B by expansion and contraction of a hydraulic or pneumatic actuator 5 in the form of a piston cylinder device. It can be lowered to the close distance of Roll R. The grinding wheel B can be pressed against the backing roll R by the operation of the actuator 5. However, it is difficult to precisely control the pressure applied to the backing roll R with the actuator 5. To lower the raising and lowering arm 2 until the grinding wheel B reaches the close distance of the backing roll R, and stop at that position, and control the pressing force by a hydraulic or pneumatic actuator 3. Do it.
  • the actuator 5 is used to raise the elevating arm 2 as necessary, such as when replacing the grinding wheel B.
  • the rotary support 4 is suspended by a shaft that is rotatable in the horizontal direction with respect to the traveling support 6, and the rotary support 4 is horizontally driven by the power of the hydraulic motor 7 as necessary, for example, when replacing the grinding wheel B.
  • the lifting arm 2 can be turned to the operation side.
  • the hydraulic motor 7 is rotated, and the lifting arm 2 is directed toward the operation side, and the grinding wheel B is mounted or replaced.
  • the rotary support 4 is rotated by the hydraulic motor 7 to move the grinding wheel B directly above the backing roll R to be polished in the normal operation position.
  • the actuator 5 is operated to lower the elevating arm 2 so that the grinding wheel B is close to the backing roll R, and the tip of the grinding wheel B is close to the peripheral surface of the backing roll R. Stop. Normally, when the tip of the grinding wheel B reaches the close distance to the peripheral surface of the backing roll R, the piston rod of the actuator 5 is designed to extend, so the operation of stopping the lifting arm 2 is unnecessary. Subsequently, while rotating the polishing wheel B of the polishing machine G by the hydraulic motor 1, the end cutter 3 is operated to bring the polishing wheel B into contact with the peripheral surface of the backing roll R. Then, while flowing a lubricating liquid between the backing roll R and the polishing whetstone B as needed, observe the polishing state, and adjust the pressing force of the actuator 3.
  • the polishing operation by the contact between the backing roll R and the grinding wheel B can be performed while rotating the packing roll R in a normal operation state.
  • Hydraulic or pneumatic actuator 3 is composed of two actuators 3a and 3b as shown in Fig. 5. Pressing the grinding wheel B against the roll R with a downward output of 3 b overnight makes it easier to control the pressing pressure. That is, if the grinder G is lifted by the actuator 3a, and the weight of the grinder G and the upward output of the actuator 3a are balanced, the grinding machine on the other actuator 3b is balanced. Since the weight of G is zero, when pressing the grinding wheel B onto the surface of the roll R, only the air pressure or oil pressure of the actuator 3b needs to be controlled. Cheap.
  • the above actuator 3 is a double-acting piston-cylinder device that can separately control the internal pressure on the piston side (pressurizing side) and the internal pressure on the piston rod side (discharge side).
  • the output on the piston rod side (discharge side) is an output in the direction of shortening the piston cylinder device. Therefore, first, pressurized air or oil is introduced into the piston rod side, and the upward obtained Balance the weight of the grinding machine G with the output of the grinding machine.
  • pressurized air or pressurized oil is introduced to the piston side while maintaining the internal pressure on the piston rod side (discharge side) at the constant pressure in the balance state by a pressure regulating valve.
  • the output on the piston side (pressure side) is the output in the direction to extend the piston cylinder device.
  • the pressure applied to the roll is directly proportional to the internal pressure V on the piston side, the pressure can be adjusted without being affected by the weight of the polishing machine G by adjusting the value of V with the pressure adjusting valve.
  • the number of hydraulic or pneumatic actuators 3 in the form of a double-acting piston cylinder device may be one, but as shown in FIG. 5, the use of two is more stable.
  • the actuator 3 may be operated in a direction to lower the hydraulic motor 1 and the grinding wheel B, but the pressing force may be larger than the weight of the polishing machine G. If it is necessary to reduce it, raise the grinder G Since it is necessary to operate the factory, it is difficult to control the applied pressure. Therefore, it is desirable to pressurize the factory 3 with the balance of the weight of the polisher G, keeping the weight of the polisher G to be apparently zero.
  • the traveling support 6 When polishing the entire surface of the backing roll R, first rotate the rotary support 8 to move the traveling support 6 to the right end or left end of the backing roll R, and slowly rotate the backing roll R. Then, the surface of the backing hole R is polished while the traveling support body 6 is reciprocated several times in the axial direction of the backing hole R by means of the suction pad 8.
  • the polishing device G When the polishing is completed, the polishing device G is retracted to the retreat place at one end of the backing roll, or the elevating arm 2 is raised, and the polishing wheel B is separated from the roll surface to stop the rotation of the polishing wheel B.
  • the traveling support 6 When polishing not the whole roll but a part of the mouth, the traveling support 6 is moved to a predetermined position to be polished by the servomotor 8 and polished.
  • the traveling distance of the traveling support 6 can be controlled by the number of rotations of the traveling support 8, so that the traveling of the traveling support 6, the vertical movement of the lifting / lowering arm 2, the rotation of the rotating support 4, and the lubrication liquid 1 2 If it is possible to remotely control the movements of supply, actuation, etc. 3a, 3b, etc. It is possible.
  • the hydraulic motor 1 and the hydraulic motor 7 are used for the rotary driving devices of the grinding wheel B and the rotary support 4, respectively, but a normal electric motor is used instead of the hydraulic motor. Can also be used. Further, it is preferable to use an air cylinder for raising and lowering and pressurizing the grinding wheel, and a hydraulic cylinder for raising and lowering the lifting arm. However, other lifting means such as a worm gear may be used as the above-mentioned actuator. .
  • the apparatus of the present invention When the apparatus of the present invention is applied to a mechanical device using a liquid, such as a roll of a coating machine, the scratches on the surface of the roll are polished and smoothed, and the residue of the coating liquid or the like adhering to the roll surface is removed.
  • a liquid such as a roll of a coating machine
  • the washing water such as coating liquid scatters and the polishing equipment stops functioning. Might be.
  • the polishing wheel Since the lubricating liquid may be poured into the roll part, the lubricating liquid may scatter around.
  • the apparatus of the present invention when used in a coating machine or the like, it is desirable to use a drive device that does not stop its function even when a coating liquid, some washing water or a lubricating liquid is applied. Therefore, in the above-described embodiment of the present invention, the polishing wheel B, which is easily affected by water or hot water, and the hydraulic drive unit that is resistant to contamination and water are used for the rotation driving device of the rotary support 4, and the polishing wheel B is used.
  • the air cylinder is used for the actuator to move the lift arm 2 up and down
  • the hydraulic cylinder is used for the actuator to move the lifting arm 2 up and down.
  • the lubricating liquid 12 described above is attached to the paper W in the running path during operation by attaching the wiper 13 to the grinder G so that the lubricating liquid does not scatter around. It can be prevented from scattering toward.
  • the lubricating liquid that drips downward along the roll surface is blocked by the Flow Clinicator 15 and can be collected on both sides of the roll together with the flow-clean water, so that the roll can be polished while the coating machine is operating. be able to. That is, for example, even when the paper W is coated, the backing roll R can be polished as needed.
  • various grinding wheels can be selected according to the purpose.
  • a driving device other than a driving device for rotating a grinding wheel can be replaced with a manual device. It must be done manually, such as adjusting the pressing pressure.
  • a polishing wheel reinforced with fibers shown in FIG. 6 or 7 is suitable as a polishing wheel.
  • thermosetting resin adhesive a flap to which abrasive grains such as alumina oxide, silica sand, and carborundum are adhered is radially arranged on the outer peripheral surface of the cylindrical shaft of the grinding wheel, and the thermosetting adhesive is cured. And molded into a ring shape.
  • thermosetting resin adhesive with an adhesive, and the above thermosetting adhesive is cured. It was molded into a ring.
  • the function of balancing the weight of the grinder and the function of pressing the grindstone against the roll surface with the desired pressing force during the operation of bringing the grinder into contact with the roll surface It is possible to easily control the pressing force of the grindstone. In addition, this makes it possible to precisely control the pressing force that is smaller than the weight of the polisher. Polishing is performed with a predetermined pressing force according to the surface material of the small roll, and the degree of scratches and contamination. Can be prevented.
  • the grinding wheel of the present invention is suitable for removing contamination on the roll surface whose surface is made of rubber or synthetic resin or for repairing small scratches.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

Cette invention concerne un dispositif de polissage pour rouleaux assurant le polissage de rouleaux en position de travail dans une installation de fabrication de papier. Un rail de guidage (10) disposé parallèlement à l'arbre de rouleau est monté sur le rouleau (R) ; un élément-support mobile (6) suspendu au rail de guidage (10) se déplace le long dudit rail (10). Une machine à polir (G) suspendue à l'élément-support mobile (6) comprend une pierre à polir (B) et peut se déplacer dans le sens vertical. Un actionneur (3) est monté entre l'élément-support mobile (6) et la machine à polir (B). L'actionneur exerce une pression la pression requise pour plaquer la pierre à polir (B) contre le rouleau (R).
PCT/JP2001/001172 2000-02-17 2001-02-19 Dispositif et procede de polissage de rouleau WO2001060566A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000039245 2000-02-17
JP2000-39245 2000-02-17
JP2000-316084 2000-10-17
JP2000316084A JP2005230915A (ja) 2000-02-17 2000-10-17 ロール研磨装置

Publications (1)

Publication Number Publication Date
WO2001060566A1 true WO2001060566A1 (fr) 2001-08-23

Family

ID=26585535

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/001172 WO2001060566A1 (fr) 2000-02-17 2001-02-19 Dispositif et procede de polissage de rouleau

Country Status (2)

Country Link
JP (1) JP2005230915A (fr)
WO (1) WO2001060566A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013111671A (ja) * 2011-11-25 2013-06-10 Kokusai Gijutsu Kaihatsu Co Ltd 製箔ローラ検査装置
CN109465714A (zh) * 2018-12-20 2019-03-15 莱州文胜机械科技有限公司 一种柱体石料磨光装置及石料加工设备
CN109811482A (zh) * 2019-02-27 2019-05-28 岳西十行机械设备有限公司 一种纤维脱水抛光方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100950943B1 (ko) 2007-12-28 2010-04-01 주식회사 포스코 롤 연마 장치
KR200447739Y1 (ko) * 2008-03-20 2010-02-12 유에스엠 코퍼레이션 주식회사 탈부착식 롤라이너의 면가공 장치
EP3108977B1 (fr) 2015-06-26 2018-03-28 DANIELI & C. OFFICINE MECCANICHE S.p.A. Cage de laminoir et procédé correspondant

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6360009A (ja) * 1986-08-29 1988-03-16 Mitsubishi Heavy Ind Ltd 圧延ロ−ルのオンライン研削方法
JPH079310A (ja) * 1993-06-30 1995-01-13 New Oji Paper Co Ltd 弾性ロールの研磨方法と研磨装置
JPH07290122A (ja) * 1994-04-27 1995-11-07 Hitachi Ltd 圧延ロールのプロフィル計測装置及び圧延ロールの研削装置
JPH0866853A (ja) * 1994-08-25 1996-03-12 Nippon Paper Ind Co Ltd 製紙用カレンダーロールの表面研磨方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6360009A (ja) * 1986-08-29 1988-03-16 Mitsubishi Heavy Ind Ltd 圧延ロ−ルのオンライン研削方法
JPH079310A (ja) * 1993-06-30 1995-01-13 New Oji Paper Co Ltd 弾性ロールの研磨方法と研磨装置
JPH07290122A (ja) * 1994-04-27 1995-11-07 Hitachi Ltd 圧延ロールのプロフィル計測装置及び圧延ロールの研削装置
JPH0866853A (ja) * 1994-08-25 1996-03-12 Nippon Paper Ind Co Ltd 製紙用カレンダーロールの表面研磨方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013111671A (ja) * 2011-11-25 2013-06-10 Kokusai Gijutsu Kaihatsu Co Ltd 製箔ローラ検査装置
CN109465714A (zh) * 2018-12-20 2019-03-15 莱州文胜机械科技有限公司 一种柱体石料磨光装置及石料加工设备
CN109811482A (zh) * 2019-02-27 2019-05-28 岳西十行机械设备有限公司 一种纤维脱水抛光方法
CN109811482B (zh) * 2019-02-27 2023-12-26 岳西十行机械设备有限公司 一种纤维脱水抛光方法

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