EP2701857A1 - Procédé et dispositif de lubrification d'une bande de matériau - Google Patents

Procédé et dispositif de lubrification d'une bande de matériau

Info

Publication number
EP2701857A1
EP2701857A1 EP12715998.6A EP12715998A EP2701857A1 EP 2701857 A1 EP2701857 A1 EP 2701857A1 EP 12715998 A EP12715998 A EP 12715998A EP 2701857 A1 EP2701857 A1 EP 2701857A1
Authority
EP
European Patent Office
Prior art keywords
oil
strip material
applicator roll
applicator
rollers
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.)
Withdrawn
Application number
EP12715998.6A
Other languages
German (de)
English (en)
Inventor
Martin STORR
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.)
oelheld GmbH
Original Assignee
oelheld 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 claimed from DE201110077036 external-priority patent/DE102011077036B4/de
Priority claimed from DE201110090043 external-priority patent/DE102011090043A1/de
Application filed by oelheld GmbH filed Critical oelheld GmbH
Publication of EP2701857A1 publication Critical patent/EP2701857A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C9/00—Cooling, heating or lubricating drawing material
    • B21C9/005—Cold application of the lubricant
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • 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
    • B21B45/02—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 lubricating, cooling, or cleaning
    • B21B45/0266—Measuring or controlling thickness of liquid films

Definitions

  • the present invention relates to a method and a device for the coating of preferably strip-shaped material (strip material), in particular punched strips.
  • strip-shaped starting material strip material
  • punching and forming operations it is usually necessary to lubricate the usually strip-shaped starting material (strip material) as punching strips to the wear of the required tools such as downholder, upper blade (punch), lower blade and cutting plate (die) to reduce.
  • the oil is applied before entering the appropriate tool.
  • oiling is understood not only to mean the application of pure oils such as, for example, exclusively mineral hydrocarbons, but rather the term “oiling” should be interpreted broadly. In the context of the present application is meant more generally the application of liquid agents with lubricating properties, for example also liquefied fats and waxes, oily emulsions or solutions and / or suspensions of inorganic or polymeric lubricants. Accordingly, the term “oil” is to be understood correspondingly broad, including in particular all liquid agents having lubricating properties which are used by a person skilled in the art for lubricating punching and forming processes.
  • FIG. 1 A band to be oiled (1) is unwound from a roll (2) and passed through a straightening station (3).
  • a device (4) is arranged, in which the BELT of the strip (1) takes place.
  • the oil is extracted from a storage container (5) transferred into the device (4) and applied there to the belt (1).
  • the punching and / or forming machine (6) the processing of the strip by means of the tool (7). This includes a punching process and / or a forming process.
  • the rolling of the oil using the felt-coated rollers leads to unsatisfactory results, because the amount of stored oil in the felt rollers difficult to control and the delivery to the belt surfaces of the contact pressure of the felt rollers is dependent.
  • the application of a very fine, evenly distributed oil film is very difficult to accomplish.
  • with an intermittent feed common in punching processes
  • the present invention has for its object to develop a procedure for the treatment of strip material, in which the problems described do not occur or only to a reduced extent.
  • the goal was to apply an oil film evenly to strip material such as punched strips apply as independent as possible of the preferred speed and the duration of intervals in intermittent feed rate.
  • a device according to the invention is suitable for applying liquid coating materials to substrates, in particular for lubricating preferably strip-shaped substrates (strip material), in particular stamped strips.
  • the band material to be oiled is usually passed through the device by means of a drive and using deflection rollers. This always includes the following components: a rotating in the direction of the strip material applicator roll for applying oil to the strip material,
  • a dosing agent for adjusting the thickness of the oil layer on the order swalze is a dosing agent for adjusting the thickness of the oil layer on the order swalze.
  • the device according to the invention In contrast to the above-described oiling of strip material with the aid of felt-coated rollers, it is possible with the device according to the invention to better control the amount of oil to be applied.
  • the outer surface and thus directly applied to the outer surface of the roller and not via the detour over the interior of the roller through the felt coating on the other hand, the thickness of the oil layer on the applicator roll with the dosing directly and not only on the ⁇ lnachflu ß be managed.
  • the amount of oil to be transferred to the strip material is generated by means of the dosing without contact as an oil layer with a defined thickness on the lateral surface of the applicator roll and transferred from there to the moving strip material.
  • the transferred amount of oil is completely independent of the preferred speed of the strip material. However, the amount of oil can be adjusted by means of the dosing. More on that later.
  • a device according to the invention comprises a first in the direction of the strip material rotating applicator roll for oiling the underside of the strip material (hereinafter also referred to as lower roll) and
  • each of these rollers means for coating the outer surface of the applicator roll with oil and a dosing agent for adjusting the thickness of the oil layer on the applicator roll assigned.
  • the strip material can be oiled in one pass on both sides.
  • the two rollers can be arranged relative to one another in a device according to the invention.
  • the two applicator rollers are offset in the direction of the strip material offset (variant A), on the other hand, but you can also form a gap whose height corresponds approximately to the thickness of the supplied strip material (variant B).
  • At least one of the application rollers in particular the upper roller, is mounted to be movable perpendicular to the running direction of the strip material. So it is possible the To fix lower roller at a certain height or position while the upper roller is stored movably on this. Depending on the weight of the upper roller this exerts a more or less great pressure on the lower roller and optionally on guided through the gap between the rollers strip material.
  • the two applicator rollers are coupled to one another via an elastic actuator, for example a spring with adjustable spring stiffness.
  • an elastic actuator for example a spring with adjustable spring stiffness.
  • the device according to the invention is characterized in that the two applicator rollers are arranged on the opposite arms of a two-sided lever (also referred to below as a rocker) mounted pivotably about a pivot point or a pivot axis.
  • a two-sided lever also referred to below as a rocker
  • the pivot axis extends in advantageous embodiments parallel to the axis of the applicator rolls.
  • the lever and the applicator rollers are preferably designed and arranged such that one of the two applicator rollers exerts a pressure on the top and the other a pressure on the underside of the band material to be oiled.
  • the first application roller exerts a pressure on the underside and the second application roller exerts a pressure on the upper side of the strip material to be oiled.
  • the pressure should be particularly preferably effected solely by the force of gravity acting on the applicator rollers and the lever.
  • the second arm or the second application roller can be weighted, for example, by weights and / or formed of materials of different density (eg, the second application roller made of steel and the first application roller made of comparatively lighter aluminum).
  • rollers can be coupled together via an elastic actuator such as the mentioned spring.
  • the device according to the invention can have both a simple lever and a double lever as a two-sided lever.
  • the two-sided lever preferably comprises two individual levers of identical length and with identical lever ratios, which are arranged rotatable or pivotable about the same pivot point or the same pivot axis and between which the first and the second applicator roll are rotatably mounted.
  • the applicator rollers of a device according to the invention are frictionally in contact with the strip material, so that they can roll evenly on the strip material during the oiling process.
  • application rollers used in the context of the present invention have a jacket surface made of a plastic, of a metallic material, of ceramic or of a composite material.
  • plastic for example, all elastomers in question, which are chemically stable to the medium to be applied, as a metallic material, especially steel.
  • the lateral surfaces themselves may have a surface structure which improves adhesion and / or retention of the oil on the surface.
  • the lateral surfaces have a cup structure.
  • a cup structure is a cap structure which has small depressions, so-called wells, which serve to retain the oil.
  • the wells are also referred to as pockets.
  • a doctor blade or a doctor roller are preferably used in a device according to the invention.
  • one or more simple scrapers for example made of plastic, may be provided.
  • a doctor blade or a doctor roller can be set exactly what amount of oil is transferred to the strip material.
  • the Raktelmesser is adjustably mounted relative to the associated applicator roll, so that a gap width between the lateral surface of the applicator roll and the doctor blade is adjustable to a desired value.
  • the use of graduated doctor blade is possible. This is also not possible with the previous methods described above.
  • the new process offers decisive advantages in terms of minimum quantity lubrication, which was previously not possible. This minimum quantity lubrication enables optimum results in high-speed punching.
  • the upper roller for example, a druckölbeetztes manifold in question.
  • the lower roller for example, an oil bath in question, in which the lower roller dips.
  • oil is applied to the strip material by means of at least one application roller rotating in the running direction of the strip material.
  • the application roller is in turn coated with the aid of a device for coating the lateral surface with oil.
  • the thickness of the oil layer is adjusted on the applicator roll.
  • the metering device comprises a doctor blade, wherein a distance of the doctor blade is varied to the lateral surface for adjusting the thickness of the oil layer.
  • the device according to the invention is particularly well suited for carrying out the method according to the invention.
  • the method according to the invention does not necessarily have to be followed by a forming method such as a stamping method.
  • the method according to the invention can also be used for applying a corrosion protection (for example of an oil with corrosion protection inhibitors) to a preferably band-shaped substrate.
  • Fig. 1 a device for oiling punching bands according to
  • FIG. 2 shows a first embodiment of a device for lubricating punching bands
  • FIG. 3 shows a main functional group of a device for oiling punching bands according to a second embodiment
  • FIG. 5 shows a second embodiment of a device for lubricating punching bands with a main functional group according to FIG. 3.
  • Fig. 2 shows schematically in two-dimensional representation of an example of a device according to the invention for the addition of punching bands with two applicator rollers in a staggered arrangement (variant A).
  • This includes a housing (8).
  • a punching tape (1) is inserted through a slot. After the BELT has been completed, the punching tape (1) is led out of the housing via another slot (running direction from right to left). Because of good accessibility, the enclosure (8) may have a removable lid (9).
  • the rocker (12) is rotatably mounted so that the rocker lever is longer in the running area and so on according to the principle of gravity, the applicator roller (10) from below and the applicator roller (1 1) presses from above on the punching belt (1).
  • a manually or automatically operable lever (13) may be provided which presses against the rocker lever and brings the applicator rollers (10 and 1 1) au engagement.
  • the lever can be actuated for example by means of compressed air or hydraulically.
  • the lower part of the enclosure (8) is filled with oil (14).
  • the level of oil filling is adjusted by means of a pivoting level nozzle (15).
  • Excess oil can be returned via the drain line (21) in the reservoir (5).
  • the level of the oil is preferably selected so that the application roller (10) immersed so far in the oil that a good wetting of the roll surface takes place.
  • Excess oil on the roll surface is doctored off by means of an adjustable doctor blade (16), so that behind it only a desired amount of oil is transferred to the punching belt (1) by rolling.
  • the applicator roll (11) lying on the punched strip (1) is drizzled with oil by means of a distributor pipe (19).
  • the excess oil is doctored off by means of an adjustable doctor blade (20), whereby the desired oil wetting of the punching tape (1) is produced on the surface.
  • the excess oil flows back through the level port (15) and the return line (21) in the reservoir.
  • the lateral surfaces of the applicator rolls (10 and 11) are, as mentioned above, particularly preferably either of an elastomer or of hard chromium-plated steel with cup structure.
  • the depth of the well depends on the viscosity of the oil and the desired amount of oil to be transferred.
  • the distributor tube (19) is supplied by means of a pump (17) via a throttle slide (18).
  • the pressure-quantity control is carried out as a throttle bypass system with the throttle slide (18) in conjunction with the adjustable pressure relief valve (22).
  • the oil can the oiling device via a discharge slide (23) and the return line (24) are emptied into the reservoir (5).
  • adjustable felt strips 25 and 26 can be attached to the inlet and outlet slots of the oiling device. These serve if necessary at the same time as a scraper for possible contamination of the punching strip (1).
  • Fig. 3 shows schematically the main functional group of a preferred embodiment of a device according to the invention, which comprises the top roller (30) and the bottom roller (31) as application rollers forming a gap through which the band to be oiled (1) is pulled (variant B).
  • the top roller (30) is associated with the oil metering tube (32) as a means for coating its lateral surface with oil.
  • the illustrated gap S2 between the doctor blade (34) and the lateral surface of the lower roller (31) is larger in the illustration than the gap S1 between the doctor blade (35) and the lateral surface of the upper roller (30). Accordingly, more oil is applied to the underside of the belt (1) than to the top.
  • the functional group shown in Fig. 3 can be obstructed in a variety of ways.
  • the functional group in the frame (41) is installed.
  • the top roller (42) and the bottom roller (43), a doctor blade (44) and (45) are assigned here as well as the oil metering tube (46) and the oil bath (47).
  • the oil is preferably continuously conveyed by means of a diaphragm pump to the oil metering tube (46).
  • the flow rate can be controlled for example via a throttle valve.
  • the level of the oil bath (47) can be flexibly adapted to the position of the lower roller (43) via the pivotally mounted drain pipe (48).
  • rollers (42) and (43) are coupled together via an elastic actuator, namely the spring (49). Excess oil is discharged into the oil reservoir (50).
  • the adaptation of the rollers (42) and (43) to the punching belt (1) takes place firstly with the aid of the own weight of the top roller (42) and secondly with the aid of the spring (49).
  • FIG. Another embodiment of a device according to the invention is shown in FIG.
  • the top roller (54) can be aligned vertically via the pivot arm (52) and the bottom roller (55) via the pivot arm (53).
  • an oil metering tube (56) and an oil bath (57) are also provided here for supplying the rollers (54) and (55) with oil and for adjusting the thickness of the oil film on the rollers (54) and (55).
  • the upper roll and the lower roll are connected to each other via the spring (60).
  • the devices illustrated in FIGS. 2, 4 and 5 may each replace the device (4) in the method illustrated in FIG. 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)

Abstract

L'invention concerne un dispositif destiné à lubrifier un matériau de préférence en forme de bande (bande de matériau), en particulier des bandes à estamper, ledit dispositif comprenant au moins un cylindre applicateur tournant dans le sens de défilement de la bande de matériau et destiné à appliquer de l'huile sur la bande de matériau, un dispositif destiné à revêtir la surface du cylindre applicateur d'huile et un moyen de dosage destiné à régler l'épaisseur de la couche d'huile sur le cylindre applicateur. L'invention concerne en outre un procédé pouvant être mis en oeuvre à l'aide d'un tel dispositif.
EP12715998.6A 2011-04-29 2012-04-20 Procédé et dispositif de lubrification d'une bande de matériau Withdrawn EP2701857A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102011075033 2011-04-29
DE201110077036 DE102011077036B4 (de) 2011-04-29 2011-06-07 Verfahren und Vorrichtung zur Beölung von Bandmaterial
DE201110090043 DE102011090043A1 (de) 2011-12-28 2011-12-28 Verfahren und Vorrichtung zur Beölung von Bandmaterial
PCT/EP2012/057266 WO2012146536A1 (fr) 2011-04-29 2012-04-20 Procédé et dispositif de lubrification d'une bande de matériau

Publications (1)

Publication Number Publication Date
EP2701857A1 true EP2701857A1 (fr) 2014-03-05

Family

ID=47071615

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12715998.6A Withdrawn EP2701857A1 (fr) 2011-04-29 2012-04-20 Procédé et dispositif de lubrification d'une bande de matériau

Country Status (4)

Country Link
US (1) US20140106073A1 (fr)
EP (1) EP2701857A1 (fr)
CN (1) CN103635266A (fr)
WO (1) WO2012146536A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230106230A1 (en) * 2021-10-05 2023-04-06 Compass Systems & Sales, LLC Method and apparatus for dispersing oil

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB291323A (en) * 1927-12-03 1928-05-31 Otto Busse Process and apparatus for cold rolling bands and strips from metals and alloys
US3507139A (en) * 1967-05-17 1970-04-21 Davy & United Eng Co Ltd Rolling mills
GB1511247A (en) * 1974-06-11 1978-05-17 Alcan Res & Dev Method and apparatus for cooling the rolls of rolling mills
US4272976A (en) * 1979-06-05 1981-06-16 Mesta Machine Company Hot strip rolling mill stand
JPS57137010A (en) * 1981-02-18 1982-08-24 Sumitomo Metal Ind Ltd Rolling method by solid lubrication
EP0139066B1 (fr) * 1983-10-21 1988-03-30 Boegli-Gravures Dispositif pour satiner une feuille
EP0205295B1 (fr) * 1985-06-10 1990-12-05 DAVY McKEE (POOLE) LIMITED Lubrification de laminoirs
JPH02197307A (ja) * 1989-01-25 1990-08-03 Mitsubishi Heavy Ind Ltd 圧延方法
US6821345B2 (en) * 1999-11-12 2004-11-23 Lsp Industries, Inc. Roller coater apparatus
JP4355279B2 (ja) * 2004-11-22 2009-10-28 新日本製鐵株式会社 冷間圧延における潤滑油供給方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2012146536A1 *

Also Published As

Publication number Publication date
WO2012146536A1 (fr) 2012-11-01
CN103635266A (zh) 2014-03-12
US20140106073A1 (en) 2014-04-17

Similar Documents

Publication Publication Date Title
EP2036630B1 (fr) Procédé et dispositif destinés à la lubrification de l' outil et de la pièce lors de la coupe
DE69120520T2 (de) Verfahren und Vorrichtung zur Beschichtung von schnellaufenden Bändern
DE19882393B4 (de) Beschichtungsvorrichtung
DE69910197T2 (de) System zum auftragen von unter druck zugeführtem beschichtungsmaterial
EP2789397B1 (fr) Graisseur de pièce à usiner et procédé destiné à graisser des pièces à usiner
EP0670004B1 (fr) Procede et dispositif permettant d'effectuer le couchage d'une bande continue de materiau
DE10012344A1 (de) Vorhang-Auftragsverfahren
DE102011077036B4 (de) Verfahren und Vorrichtung zur Beölung von Bandmaterial
EP2277630B1 (fr) Dispositif de revêtement d'une bande traversante
WO2012146536A1 (fr) Procédé et dispositif de lubrification d'une bande de matériau
DE10012345A1 (de) Vorhang-Auftragsvorrichtung
DE102010028609B4 (de) Verfahren und Vorrichtung zum Entfernen von Kühl- und/oder Schmiermittel von Walzen eines Walzgerüstes
EP3122481B1 (fr) Dispositif pour appliquer et aspirer des consommables à l'entrée de laminoirs à froid
WO2003098180A1 (fr) Machine d'equilibrage
DE102011090043A1 (de) Verfahren und Vorrichtung zur Beölung von Bandmaterial
EP2198975B1 (fr) Unité d'application de rideau
EP2067531A2 (fr) Guidage de bord
DE19827712A1 (de) Vorrichtung zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Auftragsmediums auf eine laufende Materialbahn
EP1125740B1 (fr) Procédé et dispositif pour le nettoyage de rouleaux-guides dans une machine rotative à bobine
DE102007000776A1 (de) Auftragsvorrichtung
EP2082811A2 (fr) Dispositif d'application à rideaux à couches multiples
EP3129158B1 (fr) Procéde et dispositif pour le revêtement d'une bande de métal en mouvement continu ainsi qu'installation pour le laminage en continu de pièces métalliques
DE19527902B4 (de) Auftragsystem für eine Vorrichtung zum Beschichten einer Papier- oder Kartonbahn
DE19518132C1 (de) Verfahren und Auftragswerk zum Auftragen von flüssigem oder pastösem Medium auf eine laufende Materialbahn
EP2622135A1 (fr) Dispositif d'application directe ou indirecte d'une substance à appliquer liquide ou pâteuse et procédé de fonctionnement d'un tel dispositif

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20131107

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20170412

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20170823