EP2408594B1 - Vorrichtung zum Schleifen eines Stranggussprodukts - Google Patents

Vorrichtung zum Schleifen eines Stranggussprodukts Download PDF

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Publication number
EP2408594B1
EP2408594B1 EP10711335A EP10711335A EP2408594B1 EP 2408594 B1 EP2408594 B1 EP 2408594B1 EP 10711335 A EP10711335 A EP 10711335A EP 10711335 A EP10711335 A EP 10711335A EP 2408594 B1 EP2408594 B1 EP 2408594B1
Authority
EP
European Patent Office
Prior art keywords
grinding
actuator
holding arm
continuous casting
slab
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.)
Not-in-force
Application number
EP10711335A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2408594A1 (de
Inventor
Günter Schiller
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.)
Amova GmbH
Original Assignee
SMS Logistiksysteme 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
Application filed by SMS Logistiksysteme GmbH filed Critical SMS Logistiksysteme GmbH
Priority to PL10711335T priority Critical patent/PL2408594T3/pl
Publication of EP2408594A1 publication Critical patent/EP2408594A1/de
Application granted granted Critical
Publication of EP2408594B1 publication Critical patent/EP2408594B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/005—Portal grinding machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
    • B24B27/04—Grinding machines or devices in which the grinding tool is supported on a swinging arm

Definitions

  • the invention relates to a device for grinding a continuous casting product, in particular a slab, wherein the continuous casting product in cross section has a rectangular contour with two opposite long sides and two opposite short sides, wherein the device comprises a grinding device with at least one grinding tool for grinding at least one long Side of the continuous casting product, wherein the grinding device comprises a support arm which is pivotally mounted in a pivot axis on a support member of the grinding device, wherein the grinding tool is arranged at a spaced from the pivot axis location of the support arm and wherein for pivoting the support arm relative to the support member, an actuator is effectively disposed between the support member and the support arm.
  • Continuously cast products in particular slabs, are usually subjected to surface treatment by grinding after the continuous casting in order to achieve a sufficient quality in the further processing of the product.
  • the slab is usually reciprocated in the longitudinal direction in a reversing motion under a grinding device (grinding aggregate). At the end of each reversing movement, the grinder performs a stepwise cross-feed motion until the entire slab surface is ground.
  • the slab is stored on a grinding table lying on its long side or broad side.
  • a grinding device of the type mentioned is by the EP 0 109 687 A2 known.
  • the support arm having the driven grinding tool is connected, on the one hand, to an actuator mounted to be pivotably mounted on the mill floor and, on the other hand, to a pivot arm provided in parallelogram configuration with the actuator.
  • the swivel arm attacks a movably mounted, supported on the hut floor further separate actuator.
  • FIGS. 1 to 3 Another known device for grinding slabs is in the FIGS. 1 to 3 shown. It is similar to the one in the EP 0 053 274 A1 is described.
  • the device has a grinding table 6 and a grinding device 21 in the form of a main assembly with drive motor and grinding wheel 7.
  • the slab 1 has in a known manner two long sides 2 and 3 (broad sides) and two short sides 4 and 5 (narrow sides). It lies with one of its long sides 3 on the grinding table 6.
  • the grinding table 6 reversibly moves under the grinding device 21 in the direction perpendicular to the plane of the drawing.
  • the grinding wheel 7 is pressed by means of a grinding pressure cylinder 14 'against the upper side of the slab 1.
  • the slab 1 is thus moved by means of the grinding table 6 relative to the grinding device 21 in the longitudinal direction back and forth. With each reversing the grinding device 21 performs a step by step by means of a feed cylinder 22 Cross feeding movement until the top of the slab is finished.
  • the main unit, for grinding the long side 2, 3 of the slab 1 is still a second grinding device 23 in the form of an accessory present, which is intended to grind the short sides 4, 5 of the slab 1 ,
  • a grinding wheel 7 is available.
  • a short side 5 of the slab 1 is ground by means of the auxiliary unit 23.
  • the main unit 21 and the auxiliary unit 23 are shown, wherein the movement of the grinding wheel 7 during grinding, ie the respective delivery is indicated by the units 21, 23 insofar as that the grinding wheel including grinding spindle outlined in two different positions is.
  • the effort associated with the additional installation of an accessory is relatively high.
  • a problem is also that it can lead to significant caking of grinding chips on the device, if the flight of chips during grinding is not optimally maintained. Therefore, a relatively high maintenance is required in previously known solutions.
  • the invention is therefore an object of the invention to provide a generic device that allows other means with high quality manufacturing, the processing of the continuous casting product. Furthermore, it should be achieved that the grinding of the continuous casting product can be carried out in an efficient and rapid manner, so that the grinding can be carried out economically. Furthermore, the aim is to make the device so that a removal of the grinding chips can be done in an improved manner. As a result, in particular caking chips are to be reduced to the device.
  • a single short side of the surface treatment is subjected to a progressive grinding process in the processing position.
  • the direction of rotation of the grinding tool is particularly preferably kept the same during the surface processing of the long and the short side. This leads to an advantageous chip removal.
  • the direction of rotation of the Schleiftechnikzeus in the surface processing of the long and the short side is namely chosen with advantage so that the chips flight in the surface treatment is directed horizontally to the side or vertically downwards.
  • the long side of the continuous casting product is usually at least twice as long as the short side of the continuous casting product and is a multiple of this in slabs.
  • At least one of the partial actuators are preferably designed as hydraulic or pneumatic piston-cylinder systems.
  • the grinding tool is preferably arranged at the end of the holding arm, which is remote from the pivot axis.
  • the actuator advantageously engages near the grinding tool on the holding arm.
  • the grinding tool can be covered by a protective hood over part of its circumference, wherein the protective hood is rotatably mounted about an axis of rotation which is parallel to the axis of rotation of the grinding tool.
  • An actuator can be effectively arranged between a circumferential point of the protective hood and the holding arm.
  • This actuator is preferably designed as a pneumatic or hydraulic piston-cylinder system.
  • the guard may be disposed on a pivot arm, wherein the pivot arm is mounted in the support arm and can be pivoted about a pivot axis which is parallel to the axis of rotation of the grinding tool and spaced therefrom.
  • an actuator for pivoting the pivot arm is arranged to be effective relative to the support arm between the pivot arm and the support arm, which makes the grinding wheel change easier.
  • the proposed in the proposed solution a grinding device has therefore been modified so that it is also suitable for grinding the short side of the continuous casting product.
  • the device according to the invention provides two series-connected partial actuators, of which only one serves to regulate the pressing force; the other is a pure Stellaktuator, which must take only two end positions. This other sub-actuator takes a first position for grinding a long side of the slab when the piston is retracted and a second position for grinding a short side of the slab when the piston is extended.
  • the grinding wheel guard has been modified so that it does not hit the long side when grinding the short side.
  • the long side is ground in the usual way.
  • the short side becomes laterally ground.
  • the advantage is that the direction of movement of the chips does not change if the direction of rotation of the grinding wheel is maintained and only one chip collecting box must be installed. The chip collecting box only needs to be extended to the grinding table. The direction of rotation of the grinding wheel does not change during machining.
  • Fig. 4 schematically a device for grinding a slab 1 is shown, which operates according to the invention.
  • the slab 1 has a rectangular cross-section which is in Fig. 4 you can see; the slab 1 extends with its longitudinal axis in the direction perpendicular to the plane of the drawing.
  • the slab 1 accordingly has two long sides 2 and 3 (broad sides) and two short sides 4 and 5 (narrow sides).
  • the slab 1 lies with its lower long side 3 on a grinding table 6. This processing position of the slab 1 is marked with A, during the process according to the invention, the slab 1 remains in the processing position A. After carrying out the process, the slab is turned by 180 ° about the longitudinal axis and the process is repeated.
  • the slab surface is processed here by means of a grinding process in order finally to be able to produce a product of sufficient quality from the slab.
  • a grinding device is provided, from the in Fig. 4 only the grinding wheel 7 is sketched.
  • the arrow 8 indicates the direction of rotation of the grinding tool (grinding wheel) 7 during its operation.
  • the grinding wheel 7 is guided in a known manner in the horizontal direction transverse to the longitudinal axis of the slab to grind the overhead long side 2. It is essential that after (or possibly before) the grinding of the long side 2 of the slab 1 in the processing position A with the same grinding wheel in a continuously continuous operation 7 one of the short sides 4 is subjected to a surface treatment.
  • the grinding is carried out in a manner known per se, i. H. the grinding table 6 reciprocates in the direction of the longitudinal axis of the slab 1 (i.e., in the direction perpendicular to the drawing plane), while the grinding wheel 7 is advanced a certain amount across the width direction of the slab 1 at each stroke of the grinding table 6.
  • the direction of rotation 8 of the grinding wheel 7 causes the grinding chips on the slab surface during grinding of the long side 3 are directed horizontally (to the left), which is indicated by the chips 9. Meanwhile, when sanding the short side 4, the chips are directed downwards (chip flight 9), where there is an unillustrated chip collecting box. Chip migration can be influenced by a baffle plate 24.
  • the grinding device is modified so that both the grinding of the upper long side 2 and the grinding of the left short side 4 is possible. On a separate accessory can thus be dispensed with.
  • both directions of movement of the grinding unit are equipped with a grinding pressure control.
  • the grinding device 10 allows such a grinding process.
  • a support member 13 On a base frame 25, according to Fig. 1 can be moved horizontally by means of the feed cylinder 22, a support member 13 is attached.
  • the carrier element 13 has a pivot axis 12, in which a holding arm 11 is articulated, so that it can pivot about the pivot axis 12 relative to the carrier element 13.
  • the holding arm 11 carries at its one end a grinding spindle with the grinding wheel 7, which rotates about its axis of rotation 17.
  • an actuator 14 between the support member 13 and the support arm 11 is arranged effectively.
  • the actuator 14 consists of two partial actuators 14 'and 14 "which are connected in series
  • the partial actuator 14' corresponds to the usual grinding pressure cylinder with the usual stroke, as in the prior art Fig. 1 is present and provided with the reference numeral 14 '. He performs a defined displacement s (s. Fig. 5 ).
  • the second Operaaktuator 14 " is, however, a non-controllable actuator, but one which can be moved only in two positions and held in this.
  • the first position that the subactuator 14 "occupies is in Fig. 5 and is selected when a long side 2 of the slab 1 is to be ground.
  • the second Operaaktuator 14 "is acted upon in its respective end positions with maximum operating pressure, so that it has the property of a rigid spacer.
  • the grinding wheel 7 is partially covered by a protective hood 15, namely over part of its circumference.
  • the protective hood 15 is rotatably mounted about an axis of rotation 16 which is parallel to the axis of rotation 17 of the grinding wheel 7.
  • an actuator 18 engages, which is hinged at its other end to the support arm 11.
  • the protective cover 15 can be rotated. In the position after Fig. 5 it is positioned for the sanding of the long side 2. If the short side 4 is ground, which is in Fig. 6 is sketched, the protective cover 15 is brought into a pivoted back position, so that there can be no collision between the guard 15 and slab 1.
  • the protective cover 15 is thus rotatably mounted such that it can be rotated accordingly for the main or secondary side grinding.
  • the protective hood 15 is arranged at one end of a pivoting arm 19, which is articulated with its other end on the holding arm 11.
  • the protective cover 15 together with pivot arm 19 about a pivot axis 20, which is parallel to the axis of rotation 17 of the grinding wheel 7, are pivoted. This is used for grinding wheel change.
  • the guard 15 can be pivoted completely manually or via an actuator (not shown) upwards.
  • the worn grinding wheel 7 is freely accessible and can according to Fig. 7 against a new grinding wheel 7 according to Fig. 8 be replaced.
  • the feed cylinder 22 is used for the horizontal feed of the grinding wheel 7.
  • the grinding unit 10 z. B. in the direction of slab 1 the grinding wheel 7 is pulled to a lower position by the actuator 14 via the pivot axis 12 to the short side 4.
  • the slab 1 thus processed may be a hot slab.
  • the slab is arranged on a stationary mount and the grinding device 10 moves in the direction of the longitudinal axis of the slab during grinding.
EP10711335A 2009-03-19 2010-03-19 Vorrichtung zum Schleifen eines Stranggussprodukts Not-in-force EP2408594B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10711335T PL2408594T3 (pl) 2009-03-19 2010-03-19 Urządzenie do szlifowania produktu odlewania ciągłego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009013481 2009-03-19
PCT/EP2010/001729 WO2010105838A1 (de) 2009-03-19 2010-03-19 Verfahren und vorrichtung zum schleifen eines stranggussprodukts

Publications (2)

Publication Number Publication Date
EP2408594A1 EP2408594A1 (de) 2012-01-25
EP2408594B1 true EP2408594B1 (de) 2013-03-06

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP10710549A Not-in-force EP2408593B1 (de) 2009-03-19 2010-03-19 Verfahren und vorrichtung zum schleifen eines stranggussprodukts
EP10711335A Not-in-force EP2408594B1 (de) 2009-03-19 2010-03-19 Vorrichtung zum Schleifen eines Stranggussprodukts

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP10710549A Not-in-force EP2408593B1 (de) 2009-03-19 2010-03-19 Verfahren und vorrichtung zum schleifen eines stranggussprodukts

Country Status (15)

Country Link
US (2) US8900035B2 (ru)
EP (2) EP2408593B1 (ru)
JP (2) JP2012520773A (ru)
KR (2) KR20110135389A (ru)
CN (4) CN201769086U (ru)
BR (2) BRPI1009125A2 (ru)
CA (2) CA2755304A1 (ru)
ES (1) ES2409945T3 (ru)
MX (2) MX2011007398A (ru)
MY (1) MY159173A (ru)
PL (1) PL2408594T3 (ru)
RU (2) RU2553787C2 (ru)
TW (2) TWI490061B (ru)
UA (1) UA106488C2 (ru)
WO (2) WO2010105839A1 (ru)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
AT519512A1 (de) * 2017-01-05 2018-07-15 Braun Maschf Gmbh Entgratschleifmaschine

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TWI545216B (zh) * 2014-10-30 2016-08-11 住華科技股份有限公司 靶材處理設備
CN106584239B (zh) * 2016-12-07 2018-11-02 杭州正驰达精密机械有限公司 一种机械手表摆锤的自动磨削机床
JP2020517480A (ja) * 2017-04-27 2020-06-18 コーニング インコーポレイテッド 光結合のためのガラスの縁部処理のための装置および方法
CN107817752B (zh) * 2017-09-19 2024-01-30 芜湖安普机器人产业技术研究院有限公司 一种铜板水平连铸的自动化上料装置电气控制系统
CN107953218A (zh) * 2017-12-21 2018-04-24 广东德新科技孵化器有限公司 一种家具板材用双面打磨装置
CN111644952B (zh) * 2020-07-07 2021-06-04 南京溧水高新产业股权投资有限公司 一种便捷浇筑水泥柱棱角打磨设备
CN112405295B (zh) * 2020-11-03 2023-01-31 南宁学院 一种艺术加工用抛光工具
CN112720214A (zh) * 2020-12-19 2021-04-30 朱可欣 变压器加工去锈设备

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT519512A1 (de) * 2017-01-05 2018-07-15 Braun Maschf Gmbh Entgratschleifmaschine
AT519512B1 (de) * 2017-01-05 2021-07-15 Braun Maschf Gmbh Entgratschleifmaschine

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Publication number Publication date
US20120022681A1 (en) 2012-01-26
BRPI1009129A2 (pt) 2019-03-06
RU2011142166A (ru) 2013-04-27
UA106488C2 (ru) 2014-09-10
MX2011007958A (es) 2011-08-17
PL2408594T3 (pl) 2013-08-30
WO2010105838A1 (de) 2010-09-23
BRPI1009125A2 (pt) 2016-03-01
TW201036760A (en) 2010-10-16
EP2408593B1 (de) 2013-02-20
CN201799915U (zh) 2011-04-20
JP5645912B2 (ja) 2014-12-24
US20110281505A1 (en) 2011-11-17
TWI490061B (zh) 2015-07-01
JP2012520776A (ja) 2012-09-10
RU2011142149A (ru) 2013-04-27
MY159173A (en) 2016-12-30
CN102387893B (zh) 2015-01-28
RU2553787C2 (ru) 2015-06-20
WO2010105839A1 (de) 2010-09-23
TW201039942A (en) 2010-11-16
CA2755304A1 (en) 2010-09-23
EP2408594A1 (de) 2012-01-25
CN102369085A (zh) 2012-03-07
EP2408593A1 (de) 2012-01-25
KR20110129376A (ko) 2011-12-01
ES2409945T3 (es) 2013-06-28
CN102369085B (zh) 2016-08-24
CN201769086U (zh) 2011-03-23
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JP2012520773A (ja) 2012-09-10
US8900035B2 (en) 2014-12-02
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