EP2817110A1 - Machine à dresser en tandem et procédé de dressage comprenant le positionnement de l'article à dresser - Google Patents

Machine à dresser en tandem et procédé de dressage comprenant le positionnement de l'article à dresser

Info

Publication number
EP2817110A1
EP2817110A1 EP13706237.8A EP13706237A EP2817110A1 EP 2817110 A1 EP2817110 A1 EP 2817110A1 EP 13706237 A EP13706237 A EP 13706237A EP 2817110 A1 EP2817110 A1 EP 2817110A1
Authority
EP
European Patent Office
Prior art keywords
straightening
tandem
rollers
unit
richtguts
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
EP13706237.8A
Other languages
German (de)
English (en)
Other versions
EP2817110B1 (fr
Inventor
Hans-Peter Pflüger
Harald KOHL
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.)
Arku Maschinenbau GmbH
Original Assignee
Arku 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
Application filed by Arku Maschinenbau GmbH filed Critical Arku Maschinenbau GmbH
Priority to PL13706237T priority Critical patent/PL2817110T3/pl
Priority to EP13706237.8A priority patent/EP2817110B1/fr
Publication of EP2817110A1 publication Critical patent/EP2817110A1/fr
Application granted granted Critical
Publication of EP2817110B1 publication Critical patent/EP2817110B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/021—Control or correction devices in association with moving strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
    • B21D43/09—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material

Definitions

  • the present invention relates to a tandem leveling machine in which at least two leveling units are provided.
  • the present invention relates to a method for straightening band-shaped material or of parts, with the exact positioning of the workpieces on a downstream processing machine, such as a press, scissors, etc. is made possible.
  • a planar alignment of the material for processing in a processing device such as a punch press, a pair of scissors, a forming machine or the like.
  • a processing device such as a punch press, a pair of scissors, a forming machine or the like.
  • the material must be level or aligned, which is done by a straightening process.
  • roller or roller straightening machines are preferably used which have a plurality of upper and lower straightening rollers or rollers arranged in each case in an upper and a lower roller mill. These are offset from one another, wherein formed between the upper and lower straightening rollers, a so-called Richtspalt.
  • the number of straightening rolls depends essentially on the straightening task, which in turn depends on the thickness of the material to be straightened. The thicker the material to be straightened, the larger rollers are used, whereas with thin sheets smaller straightening rollers can be used.
  • leveling machines were developed with interchangeable cassettes, which can be done by replacing the removable cassettes adaptation to the material thickness.
  • Such a multiple straightening machine system is known for example from DE 10 2009 012 929 B3. In this also the technical processes during roll or roller straightening are described in detail.
  • a disadvantage of the prior art according to DE 10 2009 012 929 B3 is that there is no synchronicity between Richtgutvorschub in the leveler and Richtgutvorschub in the processing device.
  • the prior art continuously directing and advancing tandem leveling machine requires buffering such that a belt loop must be provided between the leveler and the processing device to equalize the feed differential.
  • the particular has the disadvantage of a large overall length of the system.
  • the object is to provide a tandem leveler, with a space-saving assignment to a subsequent ing machining device can be achieved, with an accurate positioning of the straightening material to be processed is created.
  • tandem leveling machine is designed as a feed leveler and has above and below the strip-shaped Richtguts opposite drive rollers, at least one upper drive roller and at least one lower drive roller, the gregat support the application of the band-shaped Richtg- gregat.
  • a measuring device the amount of feed of the conveyed Richtguts is detected and a control or regulating device is provided which serves to control the feed position in response to the subsequent processing device and a clock ventilation of the two leveling units.
  • the tandem leveling machine can be brought close to the following processing device and the feed is precisely positioned for the subsequent processing process, whereby the feed of the leveler can be synchronized with the cycle of the processing device, d. H. the feed of the leveler is interrupted during the engagement of the following processing device in the Richtgut.
  • the upper and lower rollers of the first straightening unit have a different diameter to the upper and lower straightening rollers of the second straightening unit.
  • the first straightening unit can advantageously be operated for a Richtgut with greater material thickness, for example in the range of 4 to 10 mm as a heavy plate machine and the second straightening unit in a thinner area, for example, about 4 mm material thickness.
  • the upper and lower rollers of the first straightening unit have a larger diameter than the upper and lower straightening rollers of the second straightening unit.
  • the first straightening unit may have a different number of straightening rollers relative to the second straightening unit even with the same diameter of straightening rollers.
  • the power requirement of the machine system can be adapted to the quality requirements. Only the leveling units and drives that are needed for the straightening process are engaged.
  • the feed speed of the first straightening unit can be different, preferably less, than the feed speed of the second straightening unit makes it possible for the tandem straightening machine to carry out a combined alternating, bending and elongation straightening process.
  • the feed speeds can be adjusted and regulated accordingly.
  • a loop of the band-shaped Richtguts is present, whereby a compact design of both the tandem leveler and the entire processing plant is made possible.
  • control or regulating device preferably detects at least one of the following variables continuously: maximum torque, maximum position deviation, maximum belt tension, speed of the straightening material, acceleration of the straightening material.
  • the straightening process can be comprehensively controlled, whereby the detection of the maximum positional deviation furthermore provides the possibility of setting the position more optimally before machining by the machining device.
  • the measuring device has a measuring sensor for detecting the positioning of the Richtguts.
  • the positioning of the Richtguts can be detected immediately, which is a prerequisite to adjust them if necessary.
  • the control or regulating device is able, in the event of a deviation of the detected position of the conveyed straightening material from the desired position, to move the straightening material to the desired position forwards or backwards.
  • a further optimization of the use of the directing material is achieved.
  • the degree of clock ventilation of the upper straightening rollers with respect to the lower straightening rollers only a few tenths of a millimeter, whereby a particularly fast and short-term achievement of the ventilation state of the respective straightening unit is achieved, which in turn advantageously allows high cycle speeds of the processing device.
  • the unwinding movement of the band-shaped Richtguts is coupled by a coil with the feed of the tandem leveler. This is preferably done via the control or regulating device.
  • the entire movement process is advantageously synchronized from the processing up to and including the machining process in the processing device.
  • the present invention also relates to a method for straightening strip-shaped or part-straightening material, in particular flat parts, and for cyclically feeding it to a subsequent processing device or machine, for example a punch press, scissors or a forming machine. According to the invention, the method comprises the following steps:
  • the processor is a variety of ways of using the straightening available whereby not only a thick plate straightening, but also a precision straightening is possible.
  • Precision straightening is generally understood to mean straightening with the result of a particularly flat straightening material.
  • control or regulating device advantageously the use of the first and / or second straightening unit is controlled so that a conversion of the production line is not required, resulting in a considerably shortened adaptation to different manufacturing processes. After a short outline time other straightening material can be further processed.
  • FIG. 1 An embodiment of the tandem leveler 1 according to the invention is shown in FIG. 1 in a side view, a view transversely to the passage direction according to arrow 3 of a band-shaped straightening medium 25.
  • the tandem leveler 1 has a first leveling unit 5 and a second leveling unit 7.
  • the first straightening unit 5 has upper straightening rollers 9 and lower straightening rollers 11 and the second straightening unit 7 has upper straightening rollers 10 and lower straightening rollers 12.
  • the two straightening units can be constructed the same, but they are preferably constructed differently.
  • the first straightening unit 5 fewer straightening rollers 9, 1 1 have as the second straightening unit 7, the upper and lower straightening rollers 10, 12 may be smaller in diameter.
  • the two straightening units 5 and 7 rest on a common machine bed 13, which in turn Shen on Stitzhe 15 rests.
  • the straightening units 5, 7 can rest on separate machines in beds.
  • the upper straightening rollers 9, 10 are mounted in a conventional manner in an upper roller mill 17 and the upper roller mill 17 is preferably formed pivotable according to arrows 19.
  • the present invention also includes non-pivoting upper roll mills.
  • the two straightening units 5 and 7 are essentially constructed as a straightening machine, so that is omitted here on the description of further details, in particular with respect to drive and control.
  • the lower straightening rollers 1 1, 12 are mounted in a lower straightening roller 21, which rests on the machine bed 13 and is optionally connected thereto.
  • a band side guide 23 which serves to guide the band-shaped straightening material 25 but also flat, in particular tabular straightening laterally.
  • the feed for discharging the straightening medium 25 furthermore advantageously comprises, per straightening unit 5 or 7, an upper drive roller 27 and a lower drive roller 29 which, in the passage direction according to arrow 3, follow the upper and lower drive rollers.
  • the drive rollers 27, 29 serve to drive the Richtguts 25 and can be switched on or off depending on the operating situation.
  • the straightening material is mainly driven by the leveling rolls 9, 11, 10, 12, for which reason the tandem leveling machine 1 according to the invention is also referred to as the feed leveling machine.
  • the operation is described as follows:
  • the band-shaped straightening 25 is threaded into the first straightening unit 5 and passed, after which it is conveyed by means of drive rollers 27 and 29 to the second straightening unit 7.
  • both position controllers are closed and the two leveling units are coupled via a synchronization bus.
  • the physical quantities are continuously measured.
  • the physical quantities can include: maximum torque, maximum position deviation, maximum belt tension, speed and / or acceleration of the straightening material.
  • the actual variables are compared with the desired quantities.
  • a measuring means or measuring device a measuring sensor is used for example in the form of a pair of measuring wheel 33 and mating gear 34.
  • the measuring wheel 33 can be arranged on the top or bottom, with the mating gear 34 is then always on the other side of the Richtguts 25.
  • the measuring sensor itself is attached to the measuring wheel.
  • tandem leveler 1 With the tandem leveler 1 according to the invention or the method according to the invention, it is possible to accurately position straightening material after straightening on a downstream processing device, such as a stamping press, which leads to a considerable improvement in the use of straightening stock.
  • the production waste can be reduced accordingly.
  • the application of the directional material can be significantly increased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)

Abstract

L'invention concerne une machine à dresser en tandem (1) comprenant au moins deux dispositifs à dresser, un premier dispositif à dresser (5) et un deuxième dispositif à dresser (7), lesquels sont disposés sur un banc de machine (13). Chaque dispositif à dresser (5, 7) comporte un laminoir de dressage supérieur (17) et un laminoir de dressage inférieur (21), le premier dispositif à dresser (5) comportant une pluralité de laminoirs supérieurs (9) et de laminoirs inférieurs (11) et le deuxième dispositif à dresser (7) comportant une pluralité de laminoirs supérieurs (10) et de laminoirs inférieurs (12). La machine à dresser en tandem comprend également un guidage latéral de bande (23) pour un article à dresser en forme de bande (25), qui peut être déroulé d'une bobine, ou pour un article à dresser en forme de pièce, qui est sensiblement plat. La machine à dresser en tandem est caractérisée en ce que des rouleaux d'entraînement se faisant face, au moins un rouleau d'entraînement supérieur (27) et au moins un rouleau d'entraînement inférieur (29), sont disposés au-dessus et au-dessous de l'article à dresser en forme de bande (25), lesdits rouleaux d'entraînement servant à faire sortir l'article à dresser en forme de bande (25) de l'outil à dresser (5, 7), en ce qu'un dispositif de mesure (33, 34) est destiné à détecter le niveau d'avancement de l'article à dresser (25) transporté, et en ce qu'un dispositif de commande ou de régulation (31) sert à commander la position d'avancement en fonction du dispositif de traitement suivant et un levage cadencé des deux dispositifs à dresser (5, 7).
EP13706237.8A 2012-02-23 2013-02-21 Procédé de planage comprenant le positionnement du matériau à planer Active EP2817110B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL13706237T PL2817110T3 (pl) 2012-02-23 2013-02-21 Sposób prostowania z pozycjonowaniem przeznaczonego do prostowania materiału
EP13706237.8A EP2817110B1 (fr) 2012-02-23 2013-02-21 Procédé de planage comprenant le positionnement du matériau à planer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12156741 2012-02-23
EP13706237.8A EP2817110B1 (fr) 2012-02-23 2013-02-21 Procédé de planage comprenant le positionnement du matériau à planer
PCT/EP2013/053428 WO2013124342A1 (fr) 2012-02-23 2013-02-21 Machine à dresser en tandem et procédé de dressage comprenant le positionnement de l'article à dresser

Publications (2)

Publication Number Publication Date
EP2817110A1 true EP2817110A1 (fr) 2014-12-31
EP2817110B1 EP2817110B1 (fr) 2020-04-08

Family

ID=47750670

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13706237.8A Active EP2817110B1 (fr) 2012-02-23 2013-02-21 Procédé de planage comprenant le positionnement du matériau à planer

Country Status (4)

Country Link
EP (1) EP2817110B1 (fr)
DK (1) DK2817110T3 (fr)
PL (1) PL2817110T3 (fr)
WO (1) WO2013124342A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT516028B1 (de) * 2014-10-20 2016-02-15 Berndorf Band Gmbh Verfahren und Vorrichtung zum Richten eines Metallbandes
CN104399833B (zh) * 2014-10-27 2016-08-17 合肥市东庐机械制造有限公司 一种冲压加工设备进出料装置
DE102015216387A1 (de) * 2015-08-27 2017-03-02 Sms Group Gmbh Richtmaschine mit modular aufgebautem Wechselkassettensystem
JP2022515956A (ja) * 2018-10-31 2022-02-24 シュロニガー アーゲー ケーブル処理機械の矯正装置および矯正ユニットを操作する方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701274A (en) * 1970-11-09 1972-10-31 Sutton Eng Co Roller leveler with adjustable flattening section
DE2748613A1 (de) * 1977-10-29 1979-05-03 Frei Hans Joachim Bearbeitungsanlage fuer band- oder streifenmaterial, insbesondere aus blech
US4633697A (en) * 1985-08-16 1987-01-06 Mesta Engineering Company Plate levelling machine
US6651476B2 (en) * 2001-10-10 2003-11-25 Mechanical Tool & Engineering Co. Combined coil-stock straightening and feed apparatus
US8250894B2 (en) * 2006-10-30 2012-08-28 Aida Engineering, Ltd. Releasing mechanism and leveling apparatus
DE102009012929B3 (de) 2009-03-12 2010-07-01 Burghardt + Schmidt Gmbh Richtwalzenanlage zum Planrichten von metallischem Gut, insbesondere von Metallbändern und Blechen

Also Published As

Publication number Publication date
PL2817110T3 (pl) 2020-11-16
EP2817110B1 (fr) 2020-04-08
DK2817110T3 (da) 2020-07-20
WO2013124342A1 (fr) 2013-08-29

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