EP0008784A1 - Dispositif pour l'obtention de rouleaux compacts de même diamètre, lors du bobinage de plusieurs feuillards étroits - Google Patents

Dispositif pour l'obtention de rouleaux compacts de même diamètre, lors du bobinage de plusieurs feuillards étroits Download PDF

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Publication number
EP0008784A1
EP0008784A1 EP79103238A EP79103238A EP0008784A1 EP 0008784 A1 EP0008784 A1 EP 0008784A1 EP 79103238 A EP79103238 A EP 79103238A EP 79103238 A EP79103238 A EP 79103238A EP 0008784 A1 EP0008784 A1 EP 0008784A1
Authority
EP
European Patent Office
Prior art keywords
strip
narrow
boom
strips
width
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
EP79103238A
Other languages
German (de)
English (en)
Other versions
EP0008784B1 (fr
Inventor
Werner Loewer
Siegfried Ing. Rittinghaus (Grad.)
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.)
WALZMASCHINENFABRIK AUGUST SCHMITZ GmbH
Original Assignee
WALZMASCHINENFABRIK AUGUST SCHMITZ 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 WALZMASCHINENFABRIK AUGUST SCHMITZ GmbH filed Critical WALZMASCHINENFABRIK AUGUST SCHMITZ GmbH
Priority to AT79103238T priority Critical patent/ATE317T1/de
Publication of EP0008784A1 publication Critical patent/EP0008784A1/fr
Application granted granted Critical
Publication of EP0008784B1 publication Critical patent/EP0008784B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/16—Associating two or more webs
    • 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
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/006—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only winding-up or winding-off several parallel metal bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/14—Associating sheets with webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4143—Performing winding process
    • B65H2301/41432—Performing winding process special features of winding process
    • B65H2301/414324—Performing winding process special features of winding process involving interleaf web/sheet, e.g. liner
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard

Definitions

  • the invention relates to a device for achieving tightly wound bundles of the same diameter when winding up a plurality of narrow strips, which are obtained by slitting a strip produced by hot or cold rolling and, after being wound onto a common mandrel of a reel, fed as a narrow strip bundle for further processing, consisting of one for clearing the sand area in front of the reel movable strip insertion device with a swiveling boom, which has a cassette part for receiving elongated strips of cardboard or the like with an upstream drive roller set for forwarding the strips.
  • a rolled metal strip generally shows changes in thickness in the transverse direction, which are due to inaccuracies in the rolling.
  • the metal band is usually somewhat thicker or thinner in the middle than on the sides and there are different internal tensions in the band between the band sides and the middle of the band.
  • Different sliver thicknesses in slitting lines cause different coil diameters when winding.
  • braking systems e.g. DE-OS 1 552 598
  • the applicant has the solution to the task of being able to achieve straight and tightly wound bundles of the same diameter without unnecessarily stressing the surfaces of the narrow-band slit strips by using external aids in the form of restraint devices such as band brakes or band tensioning rollers and without endangering an operator the technology already enriched by the teaching to provide an automatically operating strip insertion device with a cassette for receiving strips which are slightly smaller in width than the smallest narrow-band gap width occurring in the respective cutting program.
  • the strip inserter is slidable in the transverse direction on a guide and can be directed from a remote control panel such that the strip inserter is in exact position in front of any desired one by constant transverse movement Narrow band bundle is brought and by placing strips - which are made of paper, cardboard, plastic or metal - between individual layers of the bundles being built up compensates for the diameter deviations caused by the differences in strip thickness when winding up longitudinally divided strips (see the DE- GBM 77 18 103).
  • the device described above is equipped with a single cassette and is designed in such a way that the cassette only accepts those strips which correspond in width to approximately the smallest narrow-band gap width occurring in the cutting and thus reel program, problems are associated with it, to achieve the desired tight and straight bundles when a cutting program is available which has considerable differences in the width of the individual narrow-band gap widths. It is true that flawless bundles are still achieved on the narrowest slit strips and the slit strips differing only slightly in their width, since - as explained above - the cassette is only occupied with the paper strips required for the smallest dimensions of the slit strips.
  • the invention is therefore based on the object of providing a strip insertion device which, even in any cutting program with very different narrow-band split strips, enables the reeling of fixed and straight-line narrow-band split strips and on the other hand, the system in the operating area before the reel is still accessible for performing the necessary work there, such as threading the beginning of the tape, gluing the finished bundles, etc.
  • the strip inserting device is operated by pressing a button from a remote control panel, which causes the selective insertion of a paper strip into the winding slit of the sagging slit band, and that is so often paper strips are sent between the individual winding layers of a slat band, until the incoming one Split band is tight.
  • Several insertion processes can be selected at the same time without difficulty, i.e. paper strips are simultaneously sliced into different narrow-band slit coils.
  • a compilation of individual cassettes for another cutting program can be prepared by means of setup aids during operation if, according to a further invention proposal, an exchangeable main cassette which is detachably connected to the extension arm is provided for receiving the individual cassettes.
  • the magnets can be accommodated on the sliding swivel arms for moving the insertion arms in any case, and then only the insertion arms remove strips from the individual cassettes, the associated lifting magnets of which are actuated and establish a rotationally fixed connection between the common axis and a swivel arm, with which the longitudinally movable displacement movement is also transmitted to the insertion arms.
  • the strip inserting device mounted in front of the reel with the wide main cassette constricts this operating area of the system considerably, so that the work that is necessarily to be carried out in this zone can hardly be carried out without hindrance.
  • the invention according to claims 11 to 14 provides that the area in front of the reel can also be cleared of guideways.
  • Claim 15 specifies a further development of the subject of the invention for the condition that the running-in conditions of the slit strips - which are determined by the ratio of the point of run-out of the strips on the deflection roller to the point of contact of the strips on the reel, which changes constantly due to the increase in diameter at the reel - are so favorable are that the shield-like housing cam tracks according to DE-Gbm 77 18 103, which otherwise make an adjustment of the adjustment movement of the cantilever with the cassette to changing run-up angles, can be omitted.
  • the boom of the strip inserting device which is mounted in a fixed position in front of the reel, is pivoted away either upwards or downwards in the retracted position of the boom, thus clearing the space in front of the system for operating personnel.
  • Fig. 1 shows an embodiment with a traversable strip insertion device 6 with boom 6a.
  • the stationary substructure 1 has two pairs of bearing blocks 2 for impeller axles 3, on which two pairs of rollers 4 are rotatably supported by roller bearings.
  • a pair of rollers 4 arranged one behind the other is used to guide u-shaped guideways 5, which are connected to the housing 6b of the strip insertion device 6 and are long enough to protrude on one side from the housing 6b.
  • the substructure 1 is arranged outside the band area determined by the length of the reel mandrel 7, so that the strip insertion device can optionally be moved outside the band area or within the band area in front of the reel mandrel 7.
  • the boom 6a is pivotally arranged in a known manner relative to the housing 6b of the strip insertion device 6, in that the housing 6b is provided with a pivot axis 10 for two pivot levers 11 which can be pivoted together by a hydraulic servomotor 12 which oscillates at 13 Support tabs 14 is set for a track 5.
  • the arm 6a is connected in an articulated manner via a pair of lugs 15 to a hinge pin 16 at the free end of the swivel arms 11 and is supported by a pair of rollers 17 on cam tracks 18 of the housing 6b.
  • This type of swivel guide for the boom 6a is already described in the German utility model 77 18 103.
  • the rollers 4 are height-adjustable via eccentric bearings, not shown, in order to be able to adjust the strip insertion device 6 relative to the reel mandrel 7 if, due to the weight of the strip insertion device with unsupported support via the projecting u-shaped guideways 5, inaccuracies due to the deflection of the guideways or the like should occur.
  • 1 guide rollers 19 are mounted in the substructure with a vertical axis, which are pressed against an end face of the rollers 4 and laterally adjustable via eccentric bearings, not shown.
  • a toothed rack 20 is fastened to a u-shaped guideway 5, into which a toothed pinion of a motor carried by the substructure 1 engages (not shown).
  • the strip insertion device here only consists of the extension arm 6a, which corresponds to that according to FIG. 1, but is arranged such that it can be pivoted without housing via tabs 21 on a stationary pivot axis 22.
  • the pivot axis 22 is carried by stationary bearing blocks 23 in such a way that the entire strip insertion device is arranged stationary in the band area in the front of the reel with the reel mandrel 7.
  • At least one hydraulic servomotor 24 is used for pivoting the boom 6a, which is pivotally fixed at 25 and is articulated at 2G to pivoting brackets 27 which are rotatably mounted on the pivot axis 22 in addition to the brackets 21.
  • the swivel brackets 27 carry stop blocks 28 which limit the swivel path of the brackets 21, which normally always bear against the stop blocks 28 under the weight of the projecting arm 6a.
  • the arm 6a could also be pivoted downwards about the hinge pin 26 in a clockwise direction if a detachable mounting for the pivot axis 22 is provided. Then the tabs 21 and 27 can be wedged on the pivot axis 22 and the stop blocks 28 are missing.
  • FIG. 3 shows a top view of the front part of the boom Ga with the cassette part divided into exchangeable individual cassettes.
  • a main cassette 30 (FIG. 4) with the side walls 30a, the rear transverse wall 30b and the bottom wall 30c can be seen.
  • the main cassette 30 is connected to side bearing eyes 32 by screws 31. These bearing eyes 32 are mounted on an axis 33, the meaning of which will be explained later.
  • the main cassette 30 is firmly connected to the remaining part of the arm 6a with the telescopic adjusting device 29 via flanges 34.
  • the main cassette 30 is connected with its side walls 30a via screws 36 to projecting end shields 37, in which, in a known manner, a feeler roller 38 bearing on the outer circumference 8 of the narrow-band bundle and a drive roller set with this drive roller with a drive roller 39 and a counterpressure roller 40 are mounted are all in the form of rollers and extend over the entire width of the belt area, which is designated in Fig. 3 with B max .
  • the driving roller set 39, 40 are preceded by converging guide walls 41, 42, which guide advanced strips between the rollers 39, 40.
  • the drive roller 39 is driven by the feeler roller 38 via a toothed belt 43, which is rotated against the outer circumference 8 of the narrow-band bundles.
  • a plurality of interchangeable individual cassettes 44 to 48 can be hung next to one another in the main cassette 30, 3 clearly states that these individual cassettes have different widths in order to accommodate the cutting program, ie the width of the individual slit strips, in order to be able to accommodate strips of corresponding width.
  • a pack of paper strips 49 is inserted, which has a slightly smaller width than the width of the individual cassette 44. In such a case, the pack of paper strips 49 is secured by light spring elements 50 inserted laterally.
  • each individual cassette 44 to 48 can be inserted into the extension 6a or the main cassette 30 in any lateral relation.
  • each individual cassette has an angle 52 in its rear transverse wall 51, the horizontal leg of which can be placed on a bar 53 on the inside of the transverse wall 30b of the main cassette 30.
  • Via a toggle 54 inserted into the horizontal leg of the angle 52 the rear wall 51 can be clamped at any point on the continuous bar 53.
  • the angles 52 are only partially visible in the top view according to FIG. 3 for the narrow individual cassettes 45 to 47, since they are otherwise covered by the insertion arms 55 lying above them.
  • the main cassette 30 could be back to the side walls 30a], i.e. drop out as a cassette.
  • main cassette 30 it is also possible for the main cassette 30 to be detachably connected to a frame-like cantilever 6a and thus to be exchangeable in order to provide a main cassette with selected individual cassettes of a certain width and for a changed cutting program to prepare a certain lateral relation and to exchange it for the cassette inserted in the strip insertion device when changing the cutting program.
  • a rod 58 with displaceable pointers 59 could serve as a setting aid, which is provided here for adjusting the individual cassette 44 to 48 on the rear wall 30b of the main cassette 30.
  • the aforementioned movable insertion arm 55 is used in a known manner, with an insertion roller 60 which is locked against rotation in the direction of insertion of the strips (FIG. 4).
  • the already mentioned axis 33 serves to receive a plurality of pivoting levers 61 and 62 (FIG. 5) for actuating the insertion arms 55.
  • pivoting levers 61 and 62 also not to be seen, since they are arranged within the cross-sectionally U-shaped insertion arms 55.
  • the common axis 33 and 63 (FIG.
  • cranks 64 is rotatably connected at both ends to cranks 64, on which bifurcated piston rods 65 of pressure medium-operated servomotors 66 engage, which are connected at 67 to the extension arm 6a or the main cassette 30.
  • the common axis 33 or 63 can be rotated between two rotational positions via the servomotors 66.
  • the length of the common axis 33 between the cranks 64 has a square cross section 33a, with which the swivel levers 61 together with the insertion arms 55 articulated at 68 can be secured in any lateral relation by means of a locking screw 69.
  • U-shaped receptacles 70 are used, which can be designed with the swivel levers 61 as a unit or as a loose type of adjusting ring.
  • the pawl 72 is shown locked, so that the insertion roller 60 is locked in advance of the insertion arm 55 and expediently pushes the uppermost paper strip of the stack 49 forward between the guide walls 41, 42 so that the paper strip from the Drive roller set 39, 40 is detected and inserted under the relevant narrow belt.
  • the basic idea of the exemplary embodiment according to FIG. 4 is that the locking of the insertion rollers 60 can be switched on selectively by remote-controlled means.
  • the insertion roller 75 is, as is known, a roller with freewheel, that is to say with automatic blocking in one direction of rotation.
  • the selective advancement of paper strips is made possible by the fact that the rotationally fixed connection of the swivel lever 62 to the common axis 63 can be selectively switched on by remote-controlled means.
  • These remote-controlled means each consist of a lifting magnet 76 carried by the pivoting levers 62 and pivoting with it, the one with the Axis 63 actuates a non-rotatable connection incoming locking pin 77.
  • this locking pin 77 is piloted, passes through the hub G2a of a pivot lever 62 and presses against a flattening of the common axis 63.
  • the rotationally fixed connection between the common axis 63 and the Swedish thief 62 is made, so that this pivot lever - and only this - is pivoted and the insertion roller 75, which is locked in the direction of insertion, is actuated when the piston rod of the servomotor 66 is extended.
  • the insertion roller 75 runs along empty, after which the initial position is reached again and the lifting magnet 76 is automatically switched off and the locking pin 77 is activated.
  • This embodiment is recommended if the receiving width of a single cassette, for example, 47 is so small that a lifting magnet 71 (FIG. 4) arranged in an insertion arm 55 cannot dip into the interior of the single cassette, which is necessary to also fit the bottom paper strip Push the stack away.
  • the solenoids 71 and 76 can be selectively selected from a control panel, possibly also several at the same time, after which the servomotors are actuated in order to allow the selected insertion arms 55 with insertion rollers 60 and 75 to act to advance a paper strip.
EP79103238A 1978-09-04 1979-09-01 Dispositif pour l'obtention de rouleaux compacts de même diamètre, lors du bobinage de plusieurs feuillards étroits Expired EP0008784B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79103238T ATE317T1 (de) 1978-09-04 1979-09-01 Vorrichtung zum erzielen festgewickelter bunde gleichen durchmessers beim aufwickeln mehrerer schmalbaender.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2838563A DE2838563C2 (de) 1978-09-04 1978-09-04 Vorrichtung zum Erzielen festgewickelter Bunde gleichen Durchmessers beim Aufwickeln mehrerer Schmalbänder
DE2838563 1978-09-04

Publications (2)

Publication Number Publication Date
EP0008784A1 true EP0008784A1 (fr) 1980-03-19
EP0008784B1 EP0008784B1 (fr) 1981-10-21

Family

ID=6048657

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79103238A Expired EP0008784B1 (fr) 1978-09-04 1979-09-01 Dispositif pour l'obtention de rouleaux compacts de même diamètre, lors du bobinage de plusieurs feuillards étroits

Country Status (3)

Country Link
EP (1) EP0008784B1 (fr)
AT (1) ATE317T1 (fr)
DE (1) DE2838563C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105502053A (zh) * 2015-12-31 2016-04-20 中国重型机械研究院股份公司 张力压板结构及其智能控制方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298633A (en) * 1980-06-19 1981-11-03 The Monarch Machine Tool Company Method and apparatus for tensioning metallic strips on a slitting line
DE3300805A1 (de) * 1983-01-12 1984-07-12 Karl Jüngel GmbH & Co KG, 5090 Leverkusen Verfahren und vorrichtung zum herstellen von wickelbunden aus spaltband und wickelbund
DE3314522A1 (de) * 1983-04-21 1984-10-25 Georg Kesel GmbH & Co KG, 8960 Kempten Einrichtung zum ab- und aufspulen mehrerer baender

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7718103U1 (fr) * Walzmaschinenfabrik August Schmitz Gmbh, 4000 Duesseldorf
GB1100351A (en) * 1965-02-04 1968-01-24 Yoder Co Strip winding mechanism
DE1552598A1 (de) * 1966-04-18 1970-04-09 Froehling Fa Josef Anlage zum Laengsteilen von Baendern aus gewalztem Metall von insbesondere geringer Dicke
US4093141A (en) * 1977-06-02 1978-06-06 Coil Tite, Inc. Recoiler spacer shooter
DE2807614A1 (de) * 1977-02-22 1978-08-24 Braner Enterprises Verfahren zum aufwickeln von nebeneinander liegenden blechstreifen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7718103U1 (fr) * Walzmaschinenfabrik August Schmitz Gmbh, 4000 Duesseldorf
GB1100351A (en) * 1965-02-04 1968-01-24 Yoder Co Strip winding mechanism
DE1552598A1 (de) * 1966-04-18 1970-04-09 Froehling Fa Josef Anlage zum Laengsteilen von Baendern aus gewalztem Metall von insbesondere geringer Dicke
DE2807614A1 (de) * 1977-02-22 1978-08-24 Braner Enterprises Verfahren zum aufwickeln von nebeneinander liegenden blechstreifen
US4093141A (en) * 1977-06-02 1978-06-06 Coil Tite, Inc. Recoiler spacer shooter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105502053A (zh) * 2015-12-31 2016-04-20 中国重型机械研究院股份公司 张力压板结构及其智能控制方法

Also Published As

Publication number Publication date
EP0008784B1 (fr) 1981-10-21
DE2838563C2 (de) 1983-07-14
DE2838563A1 (de) 1980-03-20
ATE317T1 (de) 1981-11-15

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