EP0870555A1 - Mandrin de bobineuse pour l'enroulement d'un produit en bande et son utilisation - Google Patents
Mandrin de bobineuse pour l'enroulement d'un produit en bande et son utilisation Download PDFInfo
- Publication number
- EP0870555A1 EP0870555A1 EP98400842A EP98400842A EP0870555A1 EP 0870555 A1 EP0870555 A1 EP 0870555A1 EP 98400842 A EP98400842 A EP 98400842A EP 98400842 A EP98400842 A EP 98400842A EP 0870555 A1 EP0870555 A1 EP 0870555A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- segments
- mandrel
- chuck according
- fluid
- 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
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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
- B21C47/28—Drums or other coil-holders
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- 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
- B21C47/28—Drums or other coil-holders
- B21C47/30—Drums or other coil-holders expansible or contractible
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S242/00—Winding, tensioning, or guiding
- Y10S242/909—Heating or cooling
Definitions
- the subject of the invention is a mandrel for winder for winding a product in a strip, especially a metal strip.
- Such chucks are used, in particular particular, in rolling and treatment of metal strips which include, normally, various devices, in particular for the rolling, leveling, pickling or others treatments.
- metal strips which include, normally, various devices, in particular for the rolling, leveling, pickling or others treatments.
- the metal strip must, generally be wound on a reel to be then transported to another part or all other place of treatment.
- a winder comprising a mandrel consisting of a cylindrical bar driven rotating around its axis and provided with means for fastening of the end of the winding strip thus in coil on the cylindrical bar.
- the winding bar has a variable diameter and can retract to allow removing the coil after winding.
- the mandrels used usually are of the type comprising a tree of support centered on an axis and associated with means rotational drive, and a plurality of circular segments together forming a surface substantially cylindrical and fixed on the central shaft support with possibility of radial displacement of so as to allow the diameter variation of the cylindrical surface thus formed and on which the tape is wound up.
- a rack including an operating part sliding axially on the central shaft and on which is provided with at least one conical part cooperating with conjugate inclined faces provided on the segments, the latter being maintained in the longitudinal direction relative to the shaft and guided radially, in the transverse direction, so that ability to move away from or closer to the central shaft by longitudinal displacement of the control part under the action of a mounted expansion rod sliding in an axial bore of the central shaft.
- the central shaft is generally mounted rotating, by means of spaced bearings, on a support frame in which the rotating drive means.
- the displacement of the expansion rod can be controlled by a cylinder leaning on the tree, at the end of it opposite the mandrel.
- GB-A-954015 describes, for example, a mandrel of this type in which each segment is provided on its internal face with grooves closed by the associated rack and in which we do circulate the coolant. It is introduced through the axial bore in the shaft central for the passage of the expansion rod and passes through holes drilled radially in the shaft and each connected by a telescopic tube to a channel on the back of each segment and into which the grooves of the latter open.
- the fluid discharged under pressure at the front end of the mandrel can be sprayed on the tape being wound up, which is detrimental to its surface quality.
- the object of the invention is to resolve these problems thanks to a new provision allowing to ensure a very efficient cooling of the mandrel and therefore to wrap a band over it which may be at a high temperature.
- the invention makes it possible to avoid these difficulties thanks to provisions which, without complicating the realization of the mandrel, ensure an operation reliable of it even in the case of winding at low speed of very hot strips from, for example example, of a continuous casting installation.
- the invention therefore applies, in a way general, to a winder with at least one mandrel limited by a substantially surface cylindrical winding of a strip product, of which the diameter can vary by expansion or shrinking of mandrel, the latter comprising a central shaft rotated around an axis, a set of adjacent segments surrounding the tree and mounted sliding radially thereon, said segments being limited by a curved plate having one side external in the form of a cylindrical sector, means of control of expansion or shrinking of the mandrel by radial displacement of the segments and the means of chuck cooling by circulation of a heat transfer fluid along each of the segments.
- the means of cooling include a fixed fluid box on the central shaft and comprising at least two separate rooms, respectively at least one room supply connected to a supply circuit in heat transfer fluid and at least one chamber evacuation system connected to an evacuation circuit fluid and each segment has a circuit individual cooling inside the curved plate and having two orifices, fluid inlet and outlet respectively coolant, each connected by a means of deformable connection, to one of the chambers of the fluid box, respectively an inlet port connected to a supply chamber and an orifice outlet connected to an evacuation chamber.
- each curved plate of a segment is extended by before the front end of the tree, by a free end having an internal face on which the inlet and outlet openings of the coolant, said free ends segments limiting a hollow space in which is placed the fluid box, and the circuits supply and exhaust are connected at least two pipes respectively longitudinally crossing the tree to its frontal end and opening, respectively, in at least one feed chamber and at least one evacuation chamber of the fluid box, these the latter being connected, respectively, to the orifices entry and exit of the plates by pipes of variable length.
- the central shaft comprises, on the side of the support frame, a rear end on which a tight ring is threaded forming a seal turning, with two open grooves on the side of the shaft and two inlet ports, respectively and outlet opening into each of the gorges and connected respectively to the two supply circuits and discharge and supply lines and cross the entire length of the tree from its front end to its end rear and each open through an opening in the corresponding groove, respectively supply and evacuation of the rotating joint.
- the individual cooling circuit the inside of the curved plate covers the entire angular sector covered by it and is placed on as close as possible to its external face.
- such a mandrel comprises, as already indicated, a rotary central shaft on which is mounted a rack and pinion control device radial expansion and necking of segments, this device being controlled via a expansion rod which crosses the central shaft in a axial bore and a support plate attached to the rack device.
- the support plate fixed on the control rod expansion is placed in a free space between the fluid box and the front end of the central tree so that it can move axially under the action of the control rod to control the expansion or shrinking of the segments.
- the mandrel has four adjacent segments with an angular opening close to 90 °.
- fluid box advantageously has a contour substantially square and has four boxes in right angle, respectively, two boxes diametrically opposed feeder and two boxes between the supply boxes.
- Each box, respectively supply or discharge is then provided with a pair of orifices to which are connected, by deformable tubing, the corresponding orifices, respectively of entry or output, from two adjacent segments.
- the curved plate of each segment constitutes an autonomous cooling device flattened section, inside which is a heat transfer fluid circulation circuit, between a inlet port and an outlet port placed at a same end of the plate, the latter being applied and removably attached to one side cylindrical external of a segment body mounted on the central tree.
- the curved plate of each segment constitutes a hollow chamber with a flattened section, limited by two parallel curved walls in shape cylindrical sectors spaced from each other an inner wall and an outer wall respectively constituting part of the cylindrical surface winding, said walls being connected between them tightly around their periphery, and the room thus limited is divided by at least one partition in at least two sections communicating between them by at least one passage so as to spare a heat transfer fluid circulation circuit over all the surface of the curved plate, between an orifice inlet and outlet opening on the wall internal and respectively opening into the two sections of the room.
- the invention more specifically covers the use of a winder chuck as defined previously for winding metal strips hot at the outlet of a continuous casting machine thin strip.
- Figure 1 is a longitudinal section, with parts removed, of a winder chuck according to the invention, in the expanded position for the half-cut upper and in retracted position for the half cut lower.
- Figure 2 is a partial section, with more large scale, along line II-II of Figure 1.
- Figure 3 is a partial section with outdoor parts along line III-III of the Figure 2.
- Figure 4 is a schematic plan view, with parts removed, from inside a room fluid circulation in a segment.
- Figure 5 is a section of the mandrel according to the line V-V of Figure 6, in the expanded position for the upper half-cup and in retracted position for lower half-cut.
- Figure 6 is a partial section along the line VI-VI of Figure 5.
- Figure 1 shows schematically the whole of a winder mandrel M comprising, so classic, a central rotary support shaft 1 which extends cantilevered from a chassis support 2 comprising means R for driving in rotation of the shaft 1 around its geometric axis A.
- segments 3 are at number four and have an angular opening of substantially 90 °.
- the four segments are identical.
- Each segment includes a body 3 carrying a plate curved 30 in the shape of a cylindrical sector extending substantially over the entire useful axial length of the mandrel M.
- the segments 3 are radially expanding, and retractable; they are held in the next position the axial direction by a collar 13 of the shaft central 1 engaging in a corresponding groove formed on the rear part of the body of each segment 3.
- a tubular sleeve C provided with protruding parts 4 forming racks associated respectively with each of the segments 3.
- the sleeve C is therefore provided with four racks 4 which each have, as indicated in Figure 1, three inclined faces 9 cooperating with three corresponding aligned pads 11 formed on the body 3 of each of the segments and provided of conjugate inclined faces.
- the expansion of segments 3 is controlled by a jack 5, by means of an expansion rod 6 passing through an axial bore of the shaft 1 along any its length and linked to the piston of the jack 5 whose body is supported on chassis 2 or directly on the rear end of the central shaft 1 opposite the mandrel.
- a plate 7 At the end of the rod 6, which projects outside the front end of the shaft 1, on the side opposite the chassis 2, a plate 7 is fixed, the mean plane is orthogonal to axis A and which is fixed on the end of the sleeve C by screws 8 regularly distributed.
- the plate is operated by the jack 5, via the expansion rod 6, so as to determine the axial displacement of the sleeve C with racks 4, along the shaft 1.
- the racks 4, moving from the left to right according to the representation of the Figure 1, cause the radial displacement towards outside of segments 3 by the cooperation of inclined surfaces 9 with inclined faces conjugates of the pads 11 of the segments 3 which are axially locked by the collar 13.
- shaft 1 is smooth on the outside and the racks 4, four in number, are provided on the periphery of a tubular sheath 12 (Fig. 5), but other arrangements using racks independent can be considered.
- the inclined faces of the pads 11 of the segments 3 are provided with an anti-friction coating 14 (see Figures 5 and 6) consisting of a fixed plate against the inclined face.
- a non-lubrication circuit shown is intended for the lubrication of surfaces in contact with racks and pads.
- housing 15 has a hollow T-shaped cross section comprising two lateral grooves 16 in which two ribs placed on the sides of the corresponding inclined face 4a, 4c, of the rack, with a simple assembly set.
- the segment 3 is thus kept applied against the faces ends 4a, 4c of rack 4 with a possibility of axial sliding thereof with radial displacement of segment 3.
- the face central inclined 4b of the rack is simply supported on the corresponding shoe llb so as to allow dilation.
- the external faces 19 of the curved plates 30 join tangentially so as to constitute for the winding of the product, a surface substantially cylindrical, which is continuous in the retracted position of the mandrel.
- the two positions, respectively expanded and retracted were shown in half-section in Figure 5, the upper part represents the expanded position, the lower part being in the retracted position.
- edges side of the curved plates 30 can advantageously be limited by broken lines or wavy forming, on the facing edges, parts recessed and protruding which one nests in the other.
- each curved plate 30 fluid circulation channels are provided coolant forming a closed circuit between an orifice inlet 29a and an outlet 29b. Both ports 29a and 29b respectively of this circuit are placed at the same end of the plate 30 and are connected by deformable tubing to corresponding orifices of two chambers, respectively supply and discharge, formed in a fluid box 35 fixed on the shaft central 1, between the segments.
- the curved plate 30 of each segment 3 is extended, in front of the front end la of the shaft 1, by a free end 30a having an internal face 20a on which are formed the inlet ports 29a and outlet 29b of the cooling fluid.
- a hollow space in which can be placed the fluid box 35 this comprising at at least one supply chamber 37a and at least one evacuation chamber 37b which are connected respectively to supply means 50 and evacuation 51 of the fluid, by pipes 44 arranged longitudinally inside the shaft 1.
- the cooling circuit formed inside the curved plate 30 comprises the number of branches needed to cover any the surface of the cylindrical sector occupied by the plate curved 30.
- the circulation channels of the fluid are placed as close as possible to the face external 19 of plate 30, without reducing the resistance of it.
- each segment flares outwards, forming a sole 21 limited by a convex face 21a on which is fixed a double wall assembly K having the shape of a curved plate and forming a autonomous cooling device K comprising an internal chamber 18 with a flattened section, limited by two parallel walls, one wall respectively external 19 and an internal wall 20, having the form of cylindrical sectors covering approximately 90 ° and spaced each other by a small space.
- Room 18 thus delimited is sealed, on its two sides by spacers 22, 22 'and at its longitudinal ends by annular plates 23, 23 'which connect the corresponding ends of the two walls 19, 20.
- Each double wall set K is applied on the annular face 21a of the sole 21 of the body of segment 3 and fixed thereon by screws 28 engaged in threaded holes in the sole 21 and the heads are housed in recesses in the surface outer wall 19 so as not to protrude on this one.
- each double wall cooling K has a length slightly higher than the segment 3 body on which it is applied, so as to spare, before the front end 1a of the shaft 1, a free space in which is placed the fluid box 35 for the circulation of a heat transfer fluid such as the water inside each room 18.
- the chamber 18 is divided, in the longitudinal direction, in two sections 18a, 18b, by a longitudinal partition 26 (Fig. 4), which extends along the direction of the generators of the walls, parallel to axis A.
- the partition 26 is connected by sealingly, for example by welding, to the wall end 24 and stops at a distance (d) of the other end wall 25 to form a passage 27 which establishes communication between the two parties 18a, 18b.
- the partition 26 is sealed on walls 19 and 20.
- the water box 35 has an annular shape preferably having a polygonal section, the number of sides corresponds to that of the segments. In the example shown, the water box 35 therefore has a square section and includes four sides respectively perpendicular to the axes of the segments 3.
- the water box 35 thus forms a ring prismatic, square in the example considered, having an axial opening 36 centered on the axis A of the shaft 1.
- the annular box 35 is divided into boxes 37a, 37b by partitions 38 orthogonal to walls of the room.
- Each box thus produced has a right dihedral shape and is provided with a orifice on each side of the dihedral, so that each box has two holes, respectively supply 31a in the case of boxes 37a or evacuation 31b in the case of boxes 37b.
- Four boxes are thus distributed along the contour of the box 35, a supply box 37a being located between two evacuation boxes 37b, each box being located at an angle to the box 35.
- a dihedral box 37a ensures the supply of the chambers 18 of two segments neighbors 3a, 3b, through the openings 29a, while the neighboring evacuation box 37b is associated with discharge ports 29b of segment 3a and the other adjacent segment 3c, diametrically opposite to the segment 3b.
- the water box 35 is fixed at the end of the shaft 1 of the mandrel by studs 40 each passing through a tubular sheath 39 welded to the water box 35 and passing through, in a sealed manner, the annular chamber 37.
- Each stud is threaded at its ends, the end rear being screwed into a tapped hole on the support shaft 1 and the front end receiving a nut 41 which comes to tighten on the corresponding tube 39 so as to secure the water box 35 on the end of the shaft 1, leaving a space free to move the support plate 7 with the rod 6 for controlling the movement of the racks 4.
- the tubes 39 pass freely in holes made in the plate 7.
- the entire power system is covered by a protective plate H fixed on the front of the water box 35.
- the water box 35 On the rear face facing shaft A, the water box 35, are welded cannulas 42 emerging inside the boxes 37a, 37b by orifices 43a, 43b (Fig. 2). Two 42 cannulas are provided for each box, an orifice 43 being located on each side of the corner of the box. Both cannulas of the same box ensure, as the case may be, supply or discharge of water.
- Each cannula 42 (Fig. 1) passes through a passage correspondent provided in plate 7 and undertakes, to its end facing the shaft 1, in an orifice 44 'fitted with a seal and constituting the outlet of a line 44 which crosses longitudinally the shaft 1.
- the latter is therefore provided, in the example shown, of eight pipes 44 respectively four supply lines 44a and four drain lines 44b.
- Each line 44 comprises, at chassis 2, a part 441 parallel to the axis of rotation A of the shaft 1 and, at the mandrel, a portion 442 which is slightly inclined with respect to the axis A so that the orifices 44 ′ distributed over the periphery of the shaft 1, are at a sufficient distance from the axis A to allow the passage of a hub 6a for fixing the expansion rod 6 on the plate 7.
- the pipes 44 are closed by plugs 443 and are each provided with an orifice lateral 49 which crosses radially the part corresponding to the tree 1 on which a rotary joint 47 consisting of a ring in which are formed two annular grooves 45, 46, offset longitudinally.
- the openings 49 opening respectively in the supply lines 44 or the evacuation pipes 44b are offset longitudinally the same distance, so that correspond either to throat 45 used to the food, either at the throat 46 used to evacuation.
- the body of the rotary joint 47 is fixed on chassis 2 and has annular seals sealing 48 placed on each side of the grooves 45, 46 to allow rotation of the shaft 1 with maintaining the tightness of each of the grooves 45, 46.
- Each throat, respectively supply 45 and 46 is connected to the outside by a orifice 45 ', 46' formed radially in the body of the joint 47 and to which a pipe is connected, respectively supply 50 or discharge 51.
- the water box 35 includes two chambers supply 37a, diagonally opposite, which are connected by the cannulas 42, the pipes 44 and the groove 45 at pipe 50 supplied with water and two evacuation chambers 37b similarly connected, through the groove 46, to the pipe 51 for evacuating the water.
- the water circulation means include, for each chamber 18, a supply orifice 29a and a discharge opening 29b, provided in the wall 20, in the vicinity of the end wall 24, on the side and on the other side of the partition 26 (Fig. 4). These holes are provided in the area of the wall 20 which extends, in the axial direction, beyond the sole 21 on the side opposite the chassis 2 (Fig. 1).
- each plate of cooling 30 is provided with a connecting piece 34 fixed on the internal wall 20 at the front end of this protruding beyond the tree 1, it is say at the water box 35.
- the piece of junction 34 is provided with two orifices 29a, 29b, opening into the two chambers 18a, 18b of the cooling plate 30, on either side of the central partition 26 and are connected, respectively, to the two orifices 31a, 31b which are formed on the corresponding face 35a of the water box 35 on the part and other of the partition 38.
- connection is ensured by a tube 33 made of deformable material, for example an elastomer, which can advantageously have the form bi-conical barrel shown in Figure 2, so you can easily crash, both ends of each tube 33 being applied with tightly by flanges, respectively on the water box 35 and on the connecting piece 34.
- deformable material for example an elastomer
- each plate cooling 30 is connected to the chamber corresponding 37a of the water box 35 which is it even supplied with water, from the pipe supply 50, through a line 44a passing through in tree 1.
- Water entering through port 29a flows through chamber 18a to the end of the segment, rotates around the central partition 26 and returns via the chamber 18b to escape through orifice 29b connected to the evacuation chamber 37b of the water box 35, which is itself connected by a pipe 44b, to the groove 46 opening into the discharge pipe 51.
- the cooling system according to the invention does not significantly complicate the realization of the mandrel since the whole system of water circulation is placed inside the mandrel, the water box 35 being housed in a space of small thickness formed at the front end of tree 1.
- the risk of leaks is low, even at fairly high pressures, because all water circulation is carried out by rigid pipes or well laid directly to the inside of the chuck parts, except the tubing deformable 33 whose sealing can be ensured easily by pressure-resistant fittings and which can, moreover, be monitored and replaced, if necessary, without difficulty.
- the front end of it in which is housed the water box 35 can advantageously be closed by a plate of protection H fixed by screws on the front of the water box 35.
- a plate of protection H fixed by screws on the front of the water box 35.
- an annular cover G of polygonal section comprising four branches which extend between the pads 11 and have deformable lip seals taking press on the ends of segments 3 and on the lateral faces of the pads 11 so as to avoid the introduction of water or impurities into the mechanism control.
- the invention applies to any type of mandrel with adjacent segments likely to move away or closer and the number of segments could be different without notable modification of the provisions which come to be described, the water box having a section polygonal corresponding to the number of segments.
- the water circulation system which has been described assumes an even number of segments but could be changed, in particular to reduce the number of bore holes in the central tree 1.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Moulding By Coating Moulds (AREA)
- Winding Of Webs (AREA)
Abstract
Description
Claims (14)
- Mandrin pour une bobineuse comportant au moins un mandrin (M) limité par une surface sensiblement cylindrique (S) d'enroulement d'un produit en bande, centrée sur un axe (A) et dont le diamètre peut varier par expansion ou rétreint du mandrin (M), ce dernier comprenant un arbre central (1) entraíné en rotation autour d'un axe (A), un ensemble de segments adjacents (3) entourant l'arbre (1) et entraínés en rotation avec celui-ci, chaque segment (3) étant monté coulissant radialement sur l'arbre central (1) et comprenant une plaque incurvée (30) ayant une face externe (19) en forme de secteur cylindrique, des moyens (4, 5, 6) de commande de l'expansion ou du rétreint du mandrin par déplacement radial des segments (3) et des moyens (E) de refroidissement du mandrin par mise en circulation d'un fluide caloporteur le long de chacun des segments (3), caractérisé par le fait que les moyens de refroidissement (E) comprennent une boíte à fluide (35) fixée sur l'arbre central (1) et comprenant au moins deux chambres séparées, respectivement au moins une chambre d'alimentation (37a) reliée à un circuit (50) d'alimentation en fluide caloporteur et au moins une chambre d'évacuation (37b) reliée à un circuit (51) d'évacuation du fluide et que chaque segment (3) est muni d'un circuit individuel de refroidissement (18) ménagé à l'intérieur de la plaque incurvée (30) et ayant deux orifices, respectivement, d'entrée (29a) et de sortie (29b) du fluide caloporteur, reliés chacun, par un moyen de raccordement déformable (J, 33) à l'une des chambres de la boíte à fluide (35), respectivement un orifice d'entrée (29a) relié à une chambre d'alimentation (37a) et un orifice de sortie (29b) relié à une chambre d'évacuation (37b).
- Mandrin de bobineuse selon la revendication 1, caractérisé par le fait que, l'arbre central (1) étant monté sur un châssis de support (2) et s'étendant, du côté opposé, jusqu'à une extrémité frontale (1a), chaque segment (3) comprend une plaque incurvée (30) qui est prolongée, en avant de l'extrémité frontale (1a) de l'arbre (1), par une extrémité libre (30a) ayant une face interne (20a) sur laquelle sont ménagés les orifices d'entrée (29a) et de sortie (29b) du fluide de refroidissement et que lesdites extrémités libres (30a) des segments (3) limitent, devant l'extrémité frontale (la) de l'arbre (1), un espace creux dans lequel est placée la boíte à fluide (35), les circuits d'alimentation (50) et d'évacuation (51) étant reliés respectivement à au moins deux canalisations (44a, 44b) traversant longitudinalement l'arbre (1) jusqu'à son extrémité frontale (1a), et débouchant respectivement, dans au moins une chambre d'alimentation (37a) et au moins une chambre d'évacuation (37b) de la boíte à fluide (35), ces dernières étant reliées, respectivement, aux orifices d'entrée (29a) et de sortie (29b) des plaques (30a) par des canalisations (33a, 33b) de longueur variable.
- Mandrin de bobineuse selon la revendication 2, caractérisé par le fait que l'arbre central (1) comprend, du côté du châssis de support (2), une extrémité arrière (1b) sur laquelle est enfilée une bague étanche (47) formant un joint tournant, munie de deux gorges (45, 46) ouvertes du côté de l'arbre (1b) et de deux orifices, respectivement d'entrée (45') et de sortie (46') débouchant dans chacune des gorges et reliés respectivement aux deux circuits d'alimentation (50) et d'évacuation (51) et que les canalisations d'alimentation (44a) et d'évacuation (44b) traversent l'arbre (1) sur toute sa longueur depuis son extrémité frontale (1a) jusqu'à son extrémité arrière (1b) et débouchent chacune, par un orifice (49) dans la gorge correspondante, respectivement d'alimentation (45) et d'évacuation (46) du joint tournant (47).
- Mandrin de bobineuse selon l'une des revendications 2 et 3, dans lequel l'arbre central rotatif (1) porte un dispositif à crémaillères (4) déplaçable alternativement, le long de l'arbre central (1) pour la commande de l'expansion radiale et du rétreint des segments (3) et actionné par l'intermédiaire d'une tige de commande (6) traversant l'arbre central (1) dans un alésage longitudinal et ayant une extrémité avant sur laquelle est fixée une plaque d'appui (7) relié au dispositif à crémaillères (4), caractérisé par le fait que la plaque d'appui (7) est placée dans un espace libre ménagé entre la boíte à fluide (35) et l'extrémité frontale (1a) de l'arbre central (1) de façon à pouvoir se déplacer axialement sous l'action de la tige de commande (6) pour commander l'expansion ou le rétreint des segments (3).
- Mandrin de bobineuse selon la revendication 4, caractérisé par le fait que la boíte à fluide (35) est fixée sur l'extrémité de l'arbre central (1) par des goujons (40) passant chacun dans un fourreau tubulaire (39) fixé sur la boíte à fluide (35) en traversant celle-ci de façon étanche et prolongé du côté de l'arbre central (1) par une partie libre prenant appui sur l'extrémité frontale (1a) de l'arbre central (1) de façon à maintenir, entre ladite extrémité frontale (la) et la boíte à fluide (35), un espace pour le déplacement axial de la plaque d'appui (7), cette dernière étant munie d'orifices de passage des fourreaux (39) pour le coulissement libre de ladite plaque (7).
- Mandrin de bobineuse selon l'une des revendications 4 et 4, caractérisé par le fait que chaque chambre, respectivement d'alimentation (37a) et d'évacuation (37b) de la boíte à fluide (35) est reliée de façon étanche, respectivement, aux canalisations correspondantes (44a, 44b) ménagées dans l'arbre central (1), par une canule (42) s'étendant dans l'espace entre la boíte à fluide (35) et l'extrémité de l'arbre (1) en passant avec jeu dans un orifice correspondant de la plaque d'appui (7) pour permettre le coulissement libre de celle-ci.
- Mandrin de bobineuse selon l'une des revendications précédentes, caractérisé par le fait qu'il comporte quatre segments (3) d'ouverture angulaire voisine de 90° et que la boíte à fluide (35) présente un contour sensiblement carré et comporte quatre caissons en angle droit, respectivement, deux caissons d'alimentation (37a) diamétralement opposés et deux caissons d'évacuation (37b) situés entre les caissons d'alimentation.
- Mandrin de bobineuse selon la revendication 7, caractérisé par le fait que chaque caisson, respectivement d'alimentation (37a) ou d'évacuation (37b) est muni d'une paire d'orifices respectivement d'alimentation (31a) ou d'évacuation (31b), auxquels sont reliés, par des tubulures déformables (J, 33), les orifices correspondants, respectivement d'entrée (29a) ou de sortie (29b), de deux segments adjacents (3a, 3b).
- Mandrin de bobineuse selon l'une des revendications précédentes, caractérisé par le fait que le circuit individuel de refroidissement (18) ménagé à l'intérieur de la plaque incurvée (30) couvre l'ensemble du secteur angulaire couvert par celle-ci et est placé le plus près possible de sa face externe (19).
- Mandrin de bobineuse selon l'une des revendications précédentes, caractérisé par le fait que la plaque incurvée (30) de chaque segment constitue une chambre creuse (18) à section aplatie, limitée par deux parois parallèles (19, 20) incurvées en forme de secteurs cylindriques et écartées l'une de l'autre respectivement une paroi interne (20) et une paroi externe (19) constituant une partie de la surface cylindrique d'enroulement (S), lesdites parois (19, 20) étant reliées entre elles de façon étanche sur leur périphérie, et que la chambre (18) ainsi limitée est divisée par au moins une cloison (26) en au moins deux sections (18a, 18b) communiquant entre elles par au moins un passage (27) de façon à ménager un circuit de circulation de fluide caloporteur sur toute la surface de la plaque incurvée (30), entre un orifice d'entrée (29a) et un orifice de sortie (29b) ménagés sur la paroi interne et débouchant respectivement dans les deux sections de la chambre (18).
- Mandrin de bobineuse selon l'une des revendications précédentes, caractérisé par le fait que la plaque incurvée (30) de chaque segment constitue un dispositif autonome de refroidissement (K) à section aplatie, à l'intérieur duquel est ménagé un circuit de circulation du fluide caloporteur, entre un orifice d'entrée (29a) et un orifice de sortie (29b), ladite plaque (30) étant appliquée et fixée d'une façon amovible sur une face externe cylindrique (21a) d'un corps de segment (3).
- Mandrin de bobineuse selon l'une des revendications précédentes, caractérisé par le fait que le dispositif à crémaillères comprend un fourreau tubulaire (12) monté coulissant axialement sur l'arbre central (1) et muni extérieurement d'une pluralité de parties en saillie (4) à faces inclinées (9) constituant chacune une crémaillère associée à chacun des segments (3), chaque segment ayant un corps (3) muni, vers l'intérieur, d'au moins un patin (11) ayant une face inclinée coopérant avec une face inclinée conjuguée (9) de la crémaillère (4) correspondante.
- Mandrin de bobineuse selon la revendication 12, caractérisé par le fait que chaque patin (11) du corps de segment (3) est muni d'un logement (15) ouvert du côté de l'arbre (1) et ayant une section en T comportant un fond incliné constituant la face d'appui de la crémaillère (4) et deux rainures latérales (16) dans lesquelles, s'engagent deux nervures placées sur les côtés de la face inclinée de la crémaillère (4).
- Utilisation d'un mandrin de bobineuse selon l'une des revendications précédentes pour l'enroulement de bandes métalliques chaudes en sortie d'une machine de coulée continue.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9704424 | 1997-04-10 | ||
FR9704424A FR2761964B1 (fr) | 1997-04-10 | 1997-04-10 | Mandrin de bobineuse pour l'enroulement d'un produit en bande et son utilisation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0870555A1 true EP0870555A1 (fr) | 1998-10-14 |
EP0870555B1 EP0870555B1 (fr) | 2000-11-29 |
Family
ID=9505754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98400842A Expired - Lifetime EP0870555B1 (fr) | 1997-04-10 | 1998-04-07 | Mandrin de bobineuse pour l'enroulement d'un produit en bande et son utilisation |
Country Status (9)
Country | Link |
---|---|
US (1) | US5996929A (fr) |
EP (1) | EP0870555B1 (fr) |
JP (1) | JPH10314840A (fr) |
KR (1) | KR100533339B1 (fr) |
AT (1) | ATE197775T1 (fr) |
AU (1) | AU723261B2 (fr) |
CA (1) | CA2235051C (fr) |
DE (1) | DE69800408T2 (fr) |
FR (1) | FR2761964B1 (fr) |
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US7725825B2 (en) | 2004-09-28 | 2010-05-25 | Ricoh Company, Ltd. | Techniques for decoding and reconstructing media objects from a still visual representation |
CN101507987B (zh) * | 2009-03-20 | 2011-11-30 | 武汉钢铁(集团)公司 | 一种提高张力卷取机卷筒加工精度的方法 |
CN109250315A (zh) * | 2018-08-16 | 2019-01-22 | 温州天炽包装有限公司 | 一种纺织卷辊包装存储装置 |
CN110328256A (zh) * | 2019-07-15 | 2019-10-15 | 马鞍山北光冶金机械有限责任公司 | 一种600kn大张力不锈钢轧机卷取机 |
CN110436270A (zh) * | 2019-08-06 | 2019-11-12 | 任丽洁 | 一种可定心并夹紧的纺织用纱管 |
IT201800006760A1 (it) * | 2018-06-28 | 2019-12-28 | Mandrino avvolgitore e un relativo procedimento per il monitoraggio della condizione di questo |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19621171A1 (de) * | 1996-05-24 | 1997-11-27 | Schloemann Siemag Ag | Direkt angetriebener Haspel |
US6494401B2 (en) * | 2000-01-27 | 2002-12-17 | Franklin C. Bradshaw | Arbor for securing reels on a shaft |
KR100807663B1 (ko) * | 2001-10-31 | 2008-02-28 | 주식회사 포스코 | 코일 권취기의 2단 확장형 맨드릴 장치 |
KR100832436B1 (ko) * | 2001-12-26 | 2008-05-26 | 주식회사 포스코 | 편접촉 기능을 가진 고하중 스핀들용 크로스키트 장치 |
US6830211B2 (en) | 2002-06-24 | 2004-12-14 | Randall L. Sloan | Fence wire winder |
FR2846263B1 (fr) | 2002-10-23 | 2005-01-21 | Vai Clecim | Mandrin refroidi pour l'enroulement d'un produit en bande |
KR101022445B1 (ko) | 2003-12-29 | 2011-03-15 | 주식회사 포스코 | 홀드다운 롤 장치 |
WO2006032514A2 (fr) * | 2004-09-24 | 2006-03-30 | Hannecard Nv | Ensemble de rouleaux |
US9034007B2 (en) | 2007-09-21 | 2015-05-19 | Insera Therapeutics, Inc. | Distal embolic protection devices with a variable thickness microguidewire and methods for their use |
KR101225764B1 (ko) * | 2010-09-29 | 2013-01-23 | 현대제철 주식회사 | 열연코일용 곱쇠결함 저감장치 |
US8715315B1 (en) | 2013-03-15 | 2014-05-06 | Insera Therapeutics, Inc. | Vascular treatment systems |
US8715314B1 (en) | 2013-03-15 | 2014-05-06 | Insera Therapeutics, Inc. | Vascular treatment measurement methods |
WO2014150288A2 (fr) | 2013-03-15 | 2014-09-25 | Insera Therapeutics, Inc. | Dispositifs et procédés de traitement vasculaire |
US8679150B1 (en) | 2013-03-15 | 2014-03-25 | Insera Therapeutics, Inc. | Shape-set textile structure based mechanical thrombectomy methods |
JP6102392B2 (ja) * | 2013-03-21 | 2017-03-29 | 株式会社ジェイテクト | 圧延機用スピンドル装置 |
DE102014212668A1 (de) | 2014-05-26 | 2015-11-26 | Sms Group Gmbh | Vorrichtung zum Wickeln eines Bandmaterials zu einem Coil |
EP3416568A4 (fr) | 2016-02-16 | 2019-10-16 | Insera Therapeutics, Inc. | Dispositifs d'aspiration et dispositifs de déviation de flux ancrés |
CN106838591A (zh) * | 2017-03-29 | 2017-06-13 | 山东钢铁集团日照有限公司 | 一种多通道带钢卷取机的卷筒润滑装置 |
CN107081349B (zh) * | 2017-06-20 | 2018-09-11 | 泰尔重工股份有限公司 | 一种热轧卷取机卷筒冷却系统 |
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CN113333704A (zh) * | 2021-05-20 | 2021-09-03 | 福建明锐新材料科技有限公司 | 一种高真空连铸设备 |
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US3878999A (en) * | 1972-08-18 | 1975-04-22 | Aluminum Co Of America | Strip winding apparatus |
US4154412A (en) * | 1976-06-30 | 1979-05-15 | Ppg Industries, Inc. | Expandable collet |
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SU1299640A1 (ru) * | 1985-08-27 | 1987-03-30 | Старо-Краматорский машиностроительный завод им.Орджоникидзе | Барабан разматывател |
JPH0761502B2 (ja) * | 1986-05-29 | 1995-07-05 | 三菱重工業株式会社 | 巻戻しまたは巻取り機 |
JPS6362213U (fr) * | 1986-10-15 | 1988-04-25 | ||
JP2515159B2 (ja) * | 1989-09-18 | 1996-07-10 | 東レエンジニアリング株式会社 | 巻軸装置 |
JPH0726007U (ja) * | 1993-10-07 | 1995-05-16 | 三菱重工業株式会社 | 帯鋼の巻取り装置 |
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1997
- 1997-04-10 FR FR9704424A patent/FR2761964B1/fr not_active Expired - Fee Related
-
1998
- 1998-04-06 US US09/055,324 patent/US5996929A/en not_active Expired - Lifetime
- 1998-04-07 AT AT98400842T patent/ATE197775T1/de not_active IP Right Cessation
- 1998-04-07 EP EP98400842A patent/EP0870555B1/fr not_active Expired - Lifetime
- 1998-04-07 DE DE69800408T patent/DE69800408T2/de not_active Expired - Lifetime
- 1998-04-08 AU AU60694/98A patent/AU723261B2/en not_active Ceased
- 1998-04-08 CA CA002235051A patent/CA2235051C/fr not_active Expired - Fee Related
- 1998-04-10 KR KR1019980012892A patent/KR100533339B1/ko not_active IP Right Cessation
- 1998-04-10 JP JP10098970A patent/JPH10314840A/ja not_active Ceased
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GB954015A (en) * | 1960-01-21 | 1964-04-02 | Davy & United Eng Co Ltd | Improvements in or relating to the coiling of strip |
US3754720A (en) * | 1969-07-16 | 1973-08-28 | Gulf & Western Ind Prod Co | Expandible mandrel assembly |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7725825B2 (en) | 2004-09-28 | 2010-05-25 | Ricoh Company, Ltd. | Techniques for decoding and reconstructing media objects from a still visual representation |
CN101507987B (zh) * | 2009-03-20 | 2011-11-30 | 武汉钢铁(集团)公司 | 一种提高张力卷取机卷筒加工精度的方法 |
IT201800006760A1 (it) * | 2018-06-28 | 2019-12-28 | Mandrino avvolgitore e un relativo procedimento per il monitoraggio della condizione di questo | |
WO2020003182A1 (fr) | 2018-06-28 | 2020-01-02 | Danieli & C. Officine Meccaniche S.P.A. | Mandrin d'enroulement et procédure relative pour surveiller son état |
CN112384314A (zh) * | 2018-06-28 | 2021-02-19 | 达涅利机械设备股份公司 | 卷取机芯轴及监测其状态的相关过程 |
CN109250315A (zh) * | 2018-08-16 | 2019-01-22 | 温州天炽包装有限公司 | 一种纺织卷辊包装存储装置 |
CN109250315B (zh) * | 2018-08-16 | 2019-11-12 | 温州天炽包装有限公司 | 一种纺织卷辊包装存储装置 |
CN110328256A (zh) * | 2019-07-15 | 2019-10-15 | 马鞍山北光冶金机械有限责任公司 | 一种600kn大张力不锈钢轧机卷取机 |
CN110436270A (zh) * | 2019-08-06 | 2019-11-12 | 任丽洁 | 一种可定心并夹紧的纺织用纱管 |
Also Published As
Publication number | Publication date |
---|---|
US5996929A (en) | 1999-12-07 |
KR100533339B1 (ko) | 2006-02-21 |
JPH10314840A (ja) | 1998-12-02 |
DE69800408D1 (de) | 2001-01-04 |
KR19980081312A (ko) | 1998-11-25 |
AU723261B2 (en) | 2000-08-24 |
ATE197775T1 (de) | 2000-12-15 |
AU6069498A (en) | 1998-10-15 |
CA2235051C (fr) | 2006-08-15 |
FR2761964B1 (fr) | 1999-07-02 |
EP0870555B1 (fr) | 2000-11-29 |
FR2761964A1 (fr) | 1998-10-16 |
CA2235051A1 (fr) | 1998-10-10 |
DE69800408T2 (de) | 2001-06-28 |
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