EP0427580B1 - Verbesserungen an Bandaufwickelanlagen - Google Patents
Verbesserungen an Bandaufwickelanlagen Download PDFInfo
- Publication number
- EP0427580B1 EP0427580B1 EP90402844A EP90402844A EP0427580B1 EP 0427580 B1 EP0427580 B1 EP 0427580B1 EP 90402844 A EP90402844 A EP 90402844A EP 90402844 A EP90402844 A EP 90402844A EP 0427580 B1 EP0427580 B1 EP 0427580B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- belts
- braking force
- tubes
- bands
- installation according
- 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.)
- Expired - Lifetime
Links
Images
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
- 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
- B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
- B21C47/345—Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the tension or advance of the material
- B21C47/3458—Endlessly revolving chain systems
-
- 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
- B65H2555/00—Actuating means
- B65H2555/10—Actuating means linear
- B65H2555/11—Actuating means linear pneumatic, e.g. inflatable elements
Definitions
- the present invention relates to strip slitting installations and it relates more particularly to a device making it possible to ensure a counter-traction uniformly distributed over a set of strips which is present at the winding, on the same drum.
- Slitting wide strips of a generally metallic material, consists in cutting a strip appearing in reel, in the direction of the length, that is to say that one starts from a long sheet, in great width , to form leaves of the same length but in small width.
- each of the coils formed must be separated from its neighbor by mechanical means to avoid overlapping of the bands. If this separation occurs while the bands separation takes place while the strips are under tension, the edges of the split strips are generally damaged.
- the device of the invention is necessarily used on a line called "with loop", the kinematics of which has been known for a long time, that is to say that the shears cut the strips into a pit, before they are present to the winding.
- This technique has the effect of facilitating the separation of the strips while they are tension free at the outlet of the pit.
- This separation is effected by a straight or rotating separator, which is a known assembly, designated by the reference 5 in FIG. 1.
- Band slitting systems which include a tensioning device making it possible to brake simultaneously and without friction a set of bands which is wound on the same drum, in which the necessary braking force is transmitted to two layers endless belts between which the belts pass so that the belts can have different speeds, respectively equal to the speeds of the slit belts to be braked.
- US-A-3,735,937 which is considered to be the closest state of the art, relates to an installation for the continuous slitting of sheet metal strips using belts based on a mixture of steel and polyurethane arranged in layers.
- the invention proposes to remedy these drawbacks by providing a strip slitting installation comprising a tensioning device making it possible to brake simultaneously and without friction a set of strips presenting themselves for winding on the same drum, in which the force necessary braking is transmitted to two layers of endless belts between which the slit belts pass-so that the belts can have different speeds, respectively equal to the speeds of the slit belts to be braked, and in which the braking force is d firstly applied directly to the belts of the upper ply via an upper clamping plate and secondly to the lower ply via a lower clamping plate, characterized in that said clamping plate is constituted by a plurality of tubes, the number of which is identical to the number of pairs of belts and the width of the upper surfaces of which is identical to that of the belts, the tubes being covered with a wear sheet of high hardness and low thickness, and in that the braking force is transmitted to the two upper and lower clamping plates by means of an inflatable chamber interposed between said lower plate and the frame
- the wear sheet forming part of the lower clamping plate is a sheet of stainless steel and it is stretched longitudinally over the tubes forming part of this lower plate, the assembly being carried out so as to be able to easily change this wear sheet.
- the upper braking plate is produced in the form of a hollow box in which circulates a cooling fluid, in particular water and the tubes constituting the lower clamping plate have a section straight square or rectangular and they are traversed by a coolant, such as water.
- the clamping force is transmitted to the two braking plates, upper and lower, by means of an inflatable chamber interposed under said lower plate and the frame of the installation, this chamber preferably being of tonic form, made of a deformable polymer and supplied by a compressed air generator, the pressure of which is adjusted to vary the amount of braking at will.
- the device object of this invention there is designated by reference 6 the device object of this invention.
- the slit strips 8 are pinched by sets of belts 11, 11 'then deflected by a deflection roller 7 before being presented on the reel 4
- the belts of each of the plies of belts 11 and 11 ′ are constituted by a plurality of elements of small width, for example of the order of 15 to 50 mm as required.
- These belts are wound on pulleys 9, 10 and 9 ', 10' respectively.
- the belts are guided laterally by any suitable known device so as to obtain correct winding.
- the invention provides means for transmitting a braking force to the two plies of belts 11 and 11 'making it possible to brake simultaneously and without friction all of the slit bands 8 which are present at the winding on the drum 4. This braking or friction force is applied to the belts themselves, in line with the tightening of the latter on the bands 8.
- This braking device is shown in detail in Figures 2 and 3. It essentially comprises an upper clamping plate 12 and a lower clamping plate 13, 16.
- the upper clamping plate 12 is produced in the form of a box hollow in which a cooling fluid such as water can circulate, the lower flat surface of this box 12, located opposite the ply of belts 11 coming to apply directly on the upper face of these belts 11 to transmit the braking force by these belts with the split bands 8.
- the lower clamping plate comprises a plurality of tubes such as 13, the number and the upper surface of which (active braking surface) are identical to those of the belts of the ply 11 ' (as can be seen in Figure 3), the tubes 13 being covered with a wear sheet 16, of great hardness, intended to transmit the braking force to the belts of the ply 11 '.
- This braking force is applied to the tubes 13 by means of an inflatable membrane or chamber 14 interposed between the tubes 13 and the frame 17 'of the device.
- the tubes 13 have a square cross section, the upper surface of which corresponds to that of the belts of the ply 11 'to be braked and they are traversed by a cooling fluid, in particular water.
- the wear sheet 16 can be produced in the form of a stainless steel sheet, of small thickness, having a good coefficient of friction and a high hardness, for example of 62 HRC. This wear sheet is stretched longitudinally on the tubes 16, as can be seen in Figures 2 and 3, this assembly being carried out so as to be able to easily change this wear sheet.
- the inflatable chamber 14 which transmits the braking force to the upper and lower braking plates is preferably toroidal in shape and is made in particular from deformable polymer.
- This chamber can be inflated using compressed air supplied by a generator, the pressure of which is adjusted so as to vary the value of the braking at will.
- the particular configuration of the lower braking plate allows easy adaptation to the different thicknesses of bands 8 to be braked individually and then wound on the drum 4.
- the disadvantage mentioned above of very uneven wear of the parts making up the braking plates of the installations currently carried out, do not exist in the device according to the invention described above, thanks to the original design of the lower braking plate, and thus excellent resistance of the belts 11 and 11 ′ is obtained, making it possible to double and even triple the operating time before rectification of these belts.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Braking Arrangements (AREA)
- Adhesive Tapes (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Organic Insulating Materials (AREA)
- Advancing Webs (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Materials For Medical Uses (AREA)
Claims (7)
- Bandspaltanlage mit einer Spannvorrichtung zum gleichzeitigen und reibungsfreien Bremsen einer Mehrzahl von Bändern, die auf derselben Spulentrommel aufgewickelt werden, wobei die notwendige Bremskraft über in zwei Schichten angeordnete endlose Riemen übertragen wird, zwischen denen die gespaltenen Bänder so durchlaufen, daß die Riemen unterschiedliche Geschwindigkeiten annehmen können, die jeweils den Geschwindigkeiten der zu bremsenden gespaltenen Bänder entsprechen, und wobei die Bremskraft zum einen unmittelbar auf die Riemen (11) der oberen Schicht über eine obere Andrückplatte (12) und zum anderen auf die untere Schicht (11') über eine untere Andrückplatte übertragen wird,
dadurch gekennzeichnet,
daß die untere Andrückplatte aus einer Vielzahl von Rohren (13) besteht, deren Anzahl gleich der Anzahl der Riemenpaare und deren Oberflächenbreite gleich der Breite der Riemen ist, wobei die Rohre von einer Verschleißplatte (16) großer Härte und geringer Dicke abgedeckt werden, und daß die Bremskraft auf die obere (11) und untere (11') Andrückplatte über eine aufblasbare Kammer (14) übertragen wird, die zwischen der unteren Platte und dem Gestell (17') der Anlage angeordnet ist, so daß eine gleichmäßige Verteilung der Bremskraft auf jeden einzelnen Riemen erhalten wird. - Anlage nach Anspruch 1,
dadurch gekennzeichnet,
daß die obere Bremsplatte (12) aus einem kastenförmigen Hohlkörper besteht, in dessen Innenraum ein Kühlfluid, beispielsweise Wasser, zirkuliert. - Anlage nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß die die untere Andrückplatte bildenden Rohre einen rechteckigen oder quadratischen querschnitt aufweisen und von einem Kühlfluid, beispielsweise Wasser, durchströmt werden. - Anlage nach Anspruch 1
dadurch gekennzeichnet,
daß die aufblasbaren Kammern die Gestalt eines Torus aufweisen. - Anlage nach Anspruch 1 oder 4,
dadurch gekennzeichnet,
daß die aufblasbare Kammer aus einem verformbaren polymer besteht. - Anlage nach Anspruch 4 oder 5
dadurch gekennzeichnet,
daß die aufblasbare Kammer durch einen Kompressor mit Druckluft versorgt wird, deren Druck geregelt wird, um die Bremsleistung, nach Belieben zu verändern. - Anlage nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
daß die Verschleißplatte (16) aus rostfreiem Stahl besteht, in Längsrichtung über die Rohre gespannt und so befestigt ist, daß sie leicht ausgewechselt werden kann.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT90402844T ATE90231T1 (de) | 1989-11-08 | 1990-10-11 | Verbesserungen an bandaufwickelanlagen. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8914663 | 1989-11-08 | ||
FR8914663A FR2654024B1 (fr) | 1989-11-08 | 1989-11-08 | Perfectionnements apportes aux installations de refendage de bandes. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0427580A1 EP0427580A1 (de) | 1991-05-15 |
EP0427580B1 true EP0427580B1 (de) | 1993-06-09 |
Family
ID=9387209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90402844A Expired - Lifetime EP0427580B1 (de) | 1989-11-08 | 1990-10-11 | Verbesserungen an Bandaufwickelanlagen |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0427580B1 (de) |
JP (1) | JPH03227864A (de) |
AT (1) | ATE90231T1 (de) |
DE (1) | DE69001884T2 (de) |
DK (1) | DK0427580T3 (de) |
ES (1) | ES2043322T3 (de) |
FR (1) | FR2654024B1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2651891B2 (ja) * | 1993-11-05 | 1997-09-10 | 株式会社日本開発コンサルタント | 円形型金属性帯板張力付与装置 |
FR2806334B1 (fr) * | 2000-03-15 | 2002-08-30 | L A Chaignaud Ets | Presse de freinage pour toles laminees a chaud ou a froid et un ensemble de freinage pour une telle presse |
ATE359878T1 (de) * | 2002-07-02 | 2007-05-15 | Japan Dev Consult | Spannvorrichtung für eine bandhaspel |
JP4801788B1 (ja) * | 2010-10-07 | 2011-10-26 | 株式会社日本開発コンサルタント | 多条エンドレスベルト式帯板巻取り張力付与装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1808630A1 (de) * | 1968-11-13 | 1970-06-04 | Maschb Pieper Gmbh | Vorrichtung zur Erzeugung eines Rueckzuges,vorzugsweise bei parallelen Baendern |
AT295974B (de) * | 1970-07-20 | 1972-01-25 | Voest Ag | Vorrichtung zum Bremsen eines auf einen Haspelkern aufzuwickelnden, vorzugsweise in Längsrichtung mehrmals durchschnittenen Blechbandes |
US3735937A (en) * | 1971-02-08 | 1973-05-29 | B Plantard | Continuous sheet slitting mills |
FR2163910A5 (de) * | 1971-12-06 | 1973-07-27 | Somenor |
-
1989
- 1989-11-08 FR FR8914663A patent/FR2654024B1/fr not_active Expired - Fee Related
-
1990
- 1990-10-11 AT AT90402844T patent/ATE90231T1/de not_active IP Right Cessation
- 1990-10-11 EP EP90402844A patent/EP0427580B1/de not_active Expired - Lifetime
- 1990-10-11 DE DE90402844T patent/DE69001884T2/de not_active Expired - Fee Related
- 1990-10-11 DK DK90402844.6T patent/DK0427580T3/da active
- 1990-10-11 ES ES90402844T patent/ES2043322T3/es not_active Expired - Lifetime
- 1990-11-07 JP JP2303760A patent/JPH03227864A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69001884D1 (de) | 1993-07-15 |
DE69001884T2 (de) | 1994-05-11 |
ATE90231T1 (de) | 1993-06-15 |
FR2654024B1 (fr) | 1995-04-14 |
EP0427580A1 (de) | 1991-05-15 |
ES2043322T3 (es) | 1993-12-16 |
JPH03227864A (ja) | 1991-10-08 |
DK0427580T3 (da) | 1993-11-01 |
FR2654024A1 (fr) | 1991-05-10 |
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