EP1016742B1 - Mounting apparatus of a cylindrical cleaning brush with automatic wear compensation for a cylindrical comb of a rectilinear comber - Google Patents
Mounting apparatus of a cylindrical cleaning brush with automatic wear compensation for a cylindrical comb of a rectilinear comber Download PDFInfo
- Publication number
- EP1016742B1 EP1016742B1 EP19980440299 EP98440299A EP1016742B1 EP 1016742 B1 EP1016742 B1 EP 1016742B1 EP 19980440299 EP19980440299 EP 19980440299 EP 98440299 A EP98440299 A EP 98440299A EP 1016742 B1 EP1016742 B1 EP 1016742B1
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- EP
- European Patent Office
- Prior art keywords
- brush
- cylindrical
- cylindrical brush
- mounting apparatus
- lever
- 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
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- 210000004027 cell Anatomy 0.000 description 2
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- 210000001520 comb Anatomy 0.000 description 2
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Images
Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G19/00—Combing machines
- D01G19/06—Details
- D01G19/22—Arrangements for removing, or disposing of, noil or waste
Definitions
- the present invention relates to the field of the textile industry, in particular rectilinear combing machines, and more particularly has for object a device for mounting a cylindrical brush for cleaning the cylindrical comb a straight combing machine with automatic compensation for the wear of said brush.
- the clamp is closed and lowered towards the comb cylindrical in order to present the fiber heads protruding from the gripper at segments of toothed trim or barrettes with comb needles cylindrical.
- the latter is responsible for combing these fiber heads in order to rid of impurities, for example vegetable impurities, such as straws and thistles, as well as a predetermined amount of very short fibers that can be harmful to the subsequent spinning process.
- the blouse which is the set made up of very short fibers and by impurities entrained by the cylindrical comb, is removed from the comb cylindrical by the cylindrical brush, which rotates faster than the comb cylindrical, but in the opposite direction.
- This blouse collected by the brush is then removed by a cylinder with spikes called the doffer, which is then discharged by a beating comb.
- the blister then falls into a bin from which it is often vacuumed up to be conveyed outside the machine.
- the main role of the cylindrical brush is to ensure cleaning effective of the cylindrical comb and train the bush. It is, in fact, essential that the cylindrical comb is effectively cleaned for the next phase of combing the fiber heads.
- the bristles of the cylindrical brush penetrate between the teeth or the needles of the cylindrical comb. It follows from this mechanical action as the bristles of the cylindrical brush are pushed back and wear out gradually.
- a comb cleaning device circular of a circular combing machine by means of a rotary brush mounted in overhang on an adjustable support, and whose position can be corrected by relative to the circular comb, so as to compensate for the wear of the bristles of the brush.
- the brush support is pivotable from its working position to that of rest, so as to allow disassembly and exchange of the brush without having to disassemble the support.
- the brush which can be of any usual shape, is mounted so removable on the support shaft by a quick connection means.
- the mounting this brush relative to the circular comb is bulky and incompatible with use on modern combing machines.
- the various operations of the brush are carried out manually, without provision of means that can automatically compensate for wear brush bristles.
- EP-A-0 493 336 describes a combing head provided with comb cleaning brushes of a combing group, wherein said combs cleaning brushes are axially demountable, i.e. from the side of the machine. Such mounting of the brushes facilitates their replacement when the machine is stopped. However, these brushes have no means for compensating the position of the brushes relative to the combs of the combing groups during machine operation.
- EP-A-0 417 021 describes a device for mounting a cylindrical brush for cleaning the cylindrical comb of a combing machine straight, essentially constituted by a fixed comb, by a comb cylindrical, by a cylindrical cleaning brush, by a doffer, by a detaching comb, treating a sheet of incoming fibers, and by means of automatic compensation for the wear of the cylindrical brush.
- a brush for cleaning a circular comb provided with a means of compensating for the wear of said brush, but does not by no means provides for rapid assembly and disassembly of this brush at means of a device ensuring simultaneously the fixing and the centering of this brush.
- the object of the present invention is to overcome the drawbacks of the mounting devices for the cylindrical comb cleaning brush known by proposing such a mounting device allowing disassembly and quick reassembly of the cylindrical comb cleaning brush a straight combing machine, as well as taking into account the wear of said brush with automatic compensation of the latter.
- the device for mounting a cylindrical brush of cleaning the cylindrical comb of a straight combing machine essentially constituted by a fixed comb, by a cylindrical comb, by a brush cylindrical cleaning, by a doffer, by a detaching comb, treating a layer of incoming fibers, and by a compensation means automatic wear of the cylindrical brush
- the shaft brush drive has a length greater than that of said brush and is provided, on the one hand, at its free end, with a means intended to cooperate with the means of disassembly, reassembly and fixing rapid of the cylindrical brush and, on the other hand, on its part extending to the interior of the cylindrical brush, of a stop and centering means of said means of rapid disassembly, reassembly and fixing of said brush cylindrical.
- Figure 1 of the accompanying drawings shows, by way of example a rectilinear combing machine essentially constituted by a fixed comb 1, by a comb cylindrical 2, by a cylindrical cleaning brush 3, by a doffer 4 and by a detacher comb 5, treating a sheet of incoming fibers 6.
- the brush mounting device cylindrical 3 for cleaning the cylindrical comb 2 is provided, on the one hand, with a means 7 for rapid disassembly, reassembly and fixing of the brush cylindrical 3 on its drive shaft 3 'and, on the other hand, a means 8 of automatic compensation for the wear of the cylindrical brush 3.
- the cylindrical cleaning brush 3 is constituted by a tubular body, on which the bristles are fixed, and is mounted in stop on its drive shaft 3 'centered and with possibility for driving in rotation of said drive shaft 3 'by means of pins 3 "cooperating with notches 3" 'of the tubular body ( Figures 3 to 8).
- the body tubular of the latter is advantageously provided at its two ends notches 3 "'.
- the drive shaft 3' is mounted at one end on bearings 9 in a bearing 10 and is rotated by means known, not shown in the accompanying drawings. Near this landing 10.
- the 3 'shaft is provided with a concentric axial stop 11 provided with lugs 3 "for driving the brush 3.
- the shaft 3 'for driving the brush 3 has a length greater than that of said brush 3 and is provided, on the one hand, at its free end, a means 12 intended to cooperate with the means 7 for rapid disassembly, reassembly and fixing of the cylindrical brush 3 and, on the other hand, on its part extending inside the cylindrical brush 3, of a means 13 for stopping and centering said means 7 for disassembly, reassembly and fast fixing of said cylindrical brush 3 ( Figures 3, 5 and 7).
- the means 12, intended to cooperate with the means 7 for dismantling, rapid reassembly and fixing of the cylindrical brush 3 achieves the locking in rotation and centering of the means 7 on the drive shaft 3 'and is presented advantageously in the form of a grooved, keyed or other end portion of the drive shaft 3 ', said end being further provided with a means axial locking of the means 7 on the drive shaft 3 ', such as a thread intended to cooperate with a screw 14 for clamping the means 7 on the shaft 3 'drive.
- the means 13 for stopping and centering the means 7 for disassembly, rapid reassembly and fixing of the cylindrical brush 3 consists of a conical centering device secured to the cooperating drive shaft 3 ', in the position of cylindrical brush service 3, with a positioning sleeve 7 'of the means 7.
- the means 7 for rapid disassembly, reassembly and fixing of the cylindrical brush 3 can be perfectly centered and tightened on the shaft drive 3 'of the brush 3.
- This means 7 for rapid disassembly, reassembly and fixing of the cylindrical brush 3 is constituted, on the one hand, by an operating element under shape of a steering wheel fitted with a positioning sleeve 7 'extending concentrically on one side of said flywheel and whose end secured to the flywheel is provided with a rotation locking and centering device such as splines cooperating with those of the splined end portion of the shaft 3 'drive, the distal end having a female cone intended to cooperate with the conical centering device forming the stop 13 and centering means of the means 7 and, on the other hand, by an elastic stop 15 mounted to slide against the action a return spring 15 'on the positioning sleeve 7', without the possibility of rotation relative to the latter, and provided with 15 "quick connection means intended to cooperate with the tubular body of the brush 3.
- the means of quick connection 15 "can be brought into the tubular body of the brush 3, in order to secure the brush 3 with the means 7. to allow the placing and removing
- the brush is assembled by threading said brush 3 and means 7 on the drive shaft 3 '.
- the rotation of the means 7 around the drive shaft 3 ' is possible because the locking device in rotation and centering formed by the grooves of the means 7 does not cooperate with the grooved end of the drive shaft 3 '.
- the rotation of the steering wheel around of the drive shaft 3 'therefore allows, respectively, the means of 15 "quick connection and 3" drive pins to cooperate with the body tubular brush 3 and with the corresponding notches 3 "'of the body of the brush 3.
- the cylindrical brush 3 is perfectly positioned relative to its drive shaft 3 'and relative to the comb cylindrical 2 and is rotated only by the axial stop concentric 11, on the side of its lateral end close to the bearing 10.
- the brush 3 is disassembled by unscrewing the screw tightening 14 forming the axial locking device of the means 7, then by axial withdrawal said means 7, previously made integral with the body of the brush 3 thanks to quick connection means 15 "cooperating with the perpendicular part of the notches 3 "'of the brush body 3.
- the means 7 is separated from the body of the brush 3 and the axial extraction of said body of the brush 3 is continued.
- the quick connection means 15 "of the means 7 cooperate by friction with the tubular body of the brush cylindrical 3.
- the elastic stop 15 may, for example, be provided with minus a circular groove inside which an elastic ring is mounted, metallic or synthetic material, larger than that of the groove, immobilized in rotation relative to the elastic stop 15 and intended to securing by friction the inner part of the tubular body of the brush cylindrical 3 with the elastic stop 15 of the means 7. Due to the connection of the brush body 3 with quick disassembly, reassembly and fixing means 7.
- the means 7 for rapid disassembly, reassembly and fixing of the cylindrical brush 3 thus allows quick and easy assembly and disassembly of the cylindrical brush by perfectly ergonomic manipulations, access to the brush 3 being improved.
- said brush 3 is perfectly positioned longitudinally on its drive shaft 3 'relative to the cylindrical comb 2.
- the drive shaft 3 'with its bearing 10 is mounted on a support 16 which can pivot around a hinge pin 17 fixed to the frame 18 of the machine.
- the position of this hinge pin 17 is advantageously such as the arc described by the drive shaft 3 ', during its movement of pivot, can be likened to a straight segment.
- the means 8 of automatic compensation for the wear of the brush cylindrical 3 is essentially constituted by at least one actuator 19 cooperating with the pivoting support 16 of the drive shaft 3 'of the brush cylindrical 3 to move the latter in at least one direction perpendicular to its axis and by a command and control device 20 automatic position of the cylindrical brush 3 ( Figures 1 and 2). So the cylindrical brush 3 can be brought closer or closer to the cylindrical comb 2 and doffer 4, depending on its direction and direction of movement. If the brush cylindrical 3 approaches the cylindrical comb 2, the bristles or tufts, of which it is trimmed, penetrate between the teeth or the needles of the cylindrical comb 2, even if the hairs or tufts are bent or folded, and rid them completely short fibers and vegetable impurities that clog them.
- the needles of doffer 4 do not penetrate the hairs or tufts of the cylindrical brush 3, but remain tangent thereto and may even present a little game with these.
- the position of the cylindrical brush 3 must therefore be such that it ensures, on the one hand, an optimal interpenetration between the cylindrical brush 3 and the cylindrical comb 2 and, on the other hand. the tangency between the cylindrical brush 3 and the doffer 4.
- the actuator 19 cooperating with the pivoting support 16 of the drive shaft 3 'of the brush cylindrical 3, is constituted by an electric motor 21, conventional or step-by-step. reversible and / or provided with a reduction gear 22 controlled by the device 20 of automatic command and control of the position of the cylindrical brush 3, and by a mechanical device 23 for transforming the rotational movement of said electric motor 21 in movement movement of the cylindrical brush 3.
- the actuator 19 can be provided, on the one hand, with a declutching device or uncoupling (not shown) between the electric motor 21 and the device mechanical 23 for transforming the rotational movement of the electric motor 21 in movement of displacement of the cylindrical brush 3. and, on the other hand, of a manual control 24 of the displacement of the cylindrical brush 3 acting on the mechanical device 23 for transforming the rotational movement.
- the uncoupling device can be constituted by a displacement means of the assembly formed by the reversible electric motor 21, provided with a reduction gear 22 and pinion or wheel 25, relative to pinion or wheel 26, so as to dissociate.
- this device declutching or uncoupling in the form of a known type of clutch.
- the mechanical device 23 is constituted by a first element of transmission such as a pinion, a wheel or a pulley 25, mounted on the shaft of outlet of the electric motor 21 and cooperating with a second element of transmission such as a pinion, a wheel or a pulley 26, and by a screw 27 pivoting actuation of the pivoting support 16 of the drive shaft 3 ' of the cylindrical brush 3, subject in translation relative to the frame 18 by through a stop 28 and cooperating with a nut 29 mounted at articulation on said pivoting support 16.
- a first element of transmission such as a pinion, a wheel or a pulley 25 mounted on the shaft of outlet of the electric motor 21 and cooperating with a second element of transmission such as a pinion, a wheel or a pulley 26, and by a screw 27 pivoting actuation of the pivoting support 16 of the drive shaft 3 ' of the cylindrical brush 3, subject in translation relative to the frame 18 by through a stop 28 and cooperating with a nut 29 mounted at articulation on said
- the pivoting support 16 is pivotally displaced according to one or the other direction of the double arrow F according to a circular arc path bringing the brush 3 of the cylindrical comb 2 or moving it away from the latter.
- the mechanical device 23 can also be constituted by a worm 27 driven by an electric motor 21 or a reversible stepping motor meshing with a toothed sector 41 articulated on an axis 42 integral with the frame 18, said toothed sector 41 driving the pivoting support 16 by means of a connecting rod 43-crank device 44, a eccentric or cam device.
- a mechanical device 23 thus formed makes it possible to transform a uniformly circular movement of the electric motor 21 or of the stepping motor in a non-uniform circular motion of the shaft position drive 3 'relative to the hinge axis 17.
- the connecting rod 43 and its direction of rotation about the axis 42 it is possible, for each successive angular displacement of the electric motor 21 or the stepper motor to increase or reduce each angular displacement of the drive shaft 3 'around the axis of articulation 17.
- the device according to the present invention further comprises one or more means 30 for holding in position constituted by means blocking elastics, such as a stack of elastic washers or a spring, and by release means, such as pneumatic or hydraulic cylinders acting on corresponding pressure surfaces of the frame 18 of the machine and of the pivoting support 16.
- means blocking elastics such as a stack of elastic washers or a spring
- release means such as pneumatic or hydraulic cylinders acting on corresponding pressure surfaces of the frame 18 of the machine and of the pivoting support 16.
- the command and control device 20 automatic position of the cylindrical brush 3 of the compensation means 8 automatic wear of the cylindrical brush 3 includes a servo programmable 32 regulating the periodicity and the value of movement of said cylindrical brush 3, controlling the locking in position of the pivoting support 16 by means of means 30 for holding in position and fixing the speed of rotation of said cylindrical brush 3, as a function or independently of its position, by controlling its drive by an electric motor 33 at speed variable.
- the link between the variable speed electric motor 33 and the shaft drive 3 ′ of the cylindrical brush 3 can be produced, in known manner, using belts, sprockets, or chains.
- the means 8 automatic compensation for the wear of the cylindrical brush 3 can be supplemented by position sensors 34 monitoring the position of the shaft drive 3 'of the cylindrical brush 3 and / or the effective diameter of the bristles or tufts of the cylindrical brush 3 and connected to the programmable servo 32, which consequently issues adjustment orders for the pivoting support 16 and the electric motor 33 for shaft drive 3 'brush drive cylindrical 3.
- the means 7 for disassembly, rapid reassembly and fixing of the cylindrical brush 3 can be provided, in in addition, on the positioning sleeve 7 ′ of the steering wheel forming the element of operation, of a mounting bearing 35 cooperating with a guide housing 36 a stop 38 integral with the frame 18 of the machine, this bearing 35 being connected to the sleeve 7 'by means of a bearing 37.
- the flapping of the means 7 can be eliminated and the positioning of the brush 3 can be perfectly achieved relative to the cylindrical comb 2.
- the guide housing 36 is present, either in the form of a curvilinear housing corresponding to the amplitude of displacement of the drive shaft 3 ', either in the form of a guide plate provided with a curvilinear recess for receiving the bearing 35 and attached to the frame 18 of the machine, in front of a through hole of an upper surface opening to that of the curvilinear housing.
- a means 7 thus equipped with an integral bearing 35 of the handwheel is disassembled and mounted identically to a means 7 as described above, the bearing 35 accompanying the assembly in the axial extraction and axial engagement movement of the cylindrical brush 3.
- the means 8 of automatic compensation for the wear of the cylindrical brush 3 can be provided, in addition, a device for compensating the adjustment and maintaining the end of the brush holder shaft, which consists, as shown in Figures 9 and 10 of attached drawings, in a movable stop 38 pressing against the bearing 35 of the means 7 quick disassembly, reassembly and fixing of the cylindrical brush 3 and mounted on a lever 39 articulated at one end on the machine frame 18 and in a means 40 for actuating and loading said lever 39, connected to the other end of this lever 39 and pressing on the frame 18.
- the means 40 for actuation and loading lever 39 operates by bracing and is constituted by an articulated lever 40 ' at one end on the frame 18 of the machine and cooperating at its other end with a 40 "rod of variable length under load connected to the free end of the lever 39, the lever 40 'of the means 40 being provided, moreover, with a means 40 "actuator, such as a pedal, lever or other, a 45-45 'stop secured of the frame 18 limiting the tilting stroke of the lever 40 '.
- actuator such as a pedal, lever or other
- the means 40 for actuating and loading the lever 39 may also be provided with a damping element.
- a damping element improves the absorption of the beat of the brush holder shaft.
- the rod 40 "of variable length under load can be presented, as shown in FIGS. 9 and 10, in the form of a telescopic element, of which one of the constituent parts is a sleeve for guiding the end of the other part, which builds on the corresponding end of the first part by via a compression spring in abutment against a retaining ring or the like of said second part.
- the lever 40 ' is pivoted in a bracing position of the means 40, in which the axis of articulation between the lever 40 'and the rod 40 "has exceeded the equilibrium position of the means 40, constituted by the line passing through the axes of articulation of the lever 40 'on the frame 18 and between the rod 40 "and the lever 39.
- the lever 40 ' is in support, in this position, against the stop 41 secured to the frame 18.
- the means 40 "' actuation of the lever 40 'of the actuation and loading means 40 lever 39 can also be constituted by a jack acting on said lever 39 and whose engagement is ensured, either automatically upon activation machine running, either via a control button not represented.
- a straight combing machine equipped with a device conforming to the invention operates as follows:
- the ply of incoming fibers 6 is combed, on the one hand. by the comb cylindrical 2 and, on the other hand, by the fixed comb 1.
- the short fibers and the impurities thus extracted from the sheet of incoming fibers 6 form the capsule, which agglomerates on the cylindrical comb 2.
- the latter is discharged from its cover and cleaned by the cylindrical cleaning brush 3.
- This cleaning operation of the cylindrical comb 2 is produced by the fact that said cylindrical comb 2 and the brush cylindrical 3 rotate respectively in the directions of rotation indicated in the figure 1.
- the cylindrical brush 3 rotates faster than the cylindrical comb 2.
- the doffer 4 also rotating in the direction of rotation indicated in figure 1, more slowly as the cylindrical brush 3, picks up the blister and is discharged from it turn by the detaching comb 5 which, by its oscillating movement, causes the said drop blousse in a drip tray that is part of the straight combing machine.
- the veil 6 'obtained, composed only of long combed fibers, is then reformed on a tear-off sleeve, condensed into ribbon by a funnel and placed in a pot.
- the combed tape, produced from the veil 6 ' constitutes the product leaving the straight combing machine.
- the device 20 for automatic command and control of the position of the cylindrical brush 3 delivers a command signal from the actuator 19.
- the latter then moves the cylindrical brush 3 by means of the pivoting support 16 of the shaft drive 3 'towards the cylindrical comb 2, so that the bristles or tufts, with which it is garnished, penetrate between the teeth or the comb needles cylindrical 2, even if bent or folded, and clear them completely short fibers and vegetable impurities that clutter them.
- the invention it is possible to compensate for the wear of the brush.
- cylindrical 3 continuously and automatically and improve the ergonomics of its manipulation. Indeed, the cylindrical brush 3 is constantly maintained in an optimal position in relation to the cylindrical comb 2, which is always good cleared and cleaned of the blister.
- the cylindrical comb 2 being clean in permanently, the maintenance of the straight combing machine is greatly facilitated.
- the constant cleanliness of the cylindrical comb 2 ensures a better work quality of the straight combing machine, this constant cleanliness being also due to the very regular cleaning of the cylindrical comb 2. Indeed, this the latter being cleaned more efficiently, the outgoing product is automatically better.
- the device for maintaining the end of the brush holder shaft eliminates the flapping and positions perfectly the cylindrical brush compared to the cylindrical comb.
- automatic brush wear compensation cylindrical 3 the latter has an extended service life and is, in a way general, better exploited. In addition, many machine stops are avoided, which leads to a significant contribution to raising the yield of the straight combing machine.
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Brushes (AREA)
Description
La présente invention concerne le domaine de l'industrie textile, notamment des peigneuses rectilignes, et a plus particulièrement pour objet un dispositif de montage d'une brosse cylindrique de nettoyage du peigne cylindrique d'une peigneuse rectiligne à compensation automatique de l'usure de ladite brosse.The present invention relates to the field of the textile industry, in particular rectilinear combing machines, and more particularly has for object a device for mounting a cylindrical brush for cleaning the cylindrical comb a straight combing machine with automatic compensation for the wear of said brush.
Actuellement, sur une peigneuse rectiligne, lors de la phase de peignage des têtes de fibres, la pince est fermée et abaissée vers le peigne cylindrique afin de présenter les têtes de fibres dépassant de la pince à des segments de garniture dentée ou à des barrettes garnies d'aiguilles du peigne cylindrique. Ce dernier est chargé de peigner ces têtes de fibres afin de les débarrasser des impuretés, par exemple végétales, telles que pailles et chardons, ainsi que d'une quantité prédéterminée de fibres très courtes qui peuvent être néfastes au processus ultérieur de la filature.Currently, on a straight combing machine, during the combing the fiber heads, the clamp is closed and lowered towards the comb cylindrical in order to present the fiber heads protruding from the gripper at segments of toothed trim or barrettes with comb needles cylindrical. The latter is responsible for combing these fiber heads in order to rid of impurities, for example vegetable impurities, such as straws and thistles, as well as a predetermined amount of very short fibers that can be harmful to the subsequent spinning process.
La blousse, qui est l'ensemble constitué par les fibres très courtes et par les impuretés entraínées par le peigne cylindrique, est retirée du peigne cylindrique par la brosse cylindrique, qui tourne plus vite que le peigne cylindrique, mais dans le sens opposé. Cette blousse collectée par la brosse est ensuite prélevée par un cylindre garni de pointes appelé le doffer, qui est ensuite déchargé par un peigne battant. La blousse tombe alors dans un bac à partir duquel elle est souvent aspirée pour être convoyée à l'extérieur de la machine.The blouse, which is the set made up of very short fibers and by impurities entrained by the cylindrical comb, is removed from the comb cylindrical by the cylindrical brush, which rotates faster than the comb cylindrical, but in the opposite direction. This blouse collected by the brush is then removed by a cylinder with spikes called the doffer, which is then discharged by a beating comb. The blister then falls into a bin from which it is often vacuumed up to be conveyed outside the machine.
Le rôle principal de la brosse cylindrique est d'assurer un nettoyage efficace du peigne cylindrique et d'entraíner la blousse. Il est, en effet, primordial que le peigne cylindrique soit nettoyé efficacement pour la prochaine phase de peignage des têtes de fibres. A cet effet, les poils de la brosse cylindrique pénètrent entre les dents ou les aiguilles du peigne cylindrique . Il résulte de cette action mécanique que les poils de la brosse cylindrique sont repoussés en arrière et s'usent progressivement.The main role of the cylindrical brush is to ensure cleaning effective of the cylindrical comb and train the bush. It is, in fact, essential that the cylindrical comb is effectively cleaned for the next phase of combing the fiber heads. For this purpose, the bristles of the cylindrical brush penetrate between the teeth or the needles of the cylindrical comb. It follows from this mechanical action as the bristles of the cylindrical brush are pushed back and wear out gradually.
Pour garantir une bonne qualité textile du produit sortant, il est donc nécessaire de compenser l'usure des poils de la brosse cylindrique en la rapprochant périodiquement du peigne cylindrique et de procéder périodiquement à un retournement de ladite brosse cylindrique, afin d'en redresser les poils.To guarantee good textile quality of the outgoing product, it is therefore necessary to compensate for the wear of the bristles of the cylindrical brush by periodically approaching the cylindrical comb and proceeding periodically inverting said cylindrical brush in order to straighten the bristles.
Ces manipulations nécessaires au démontage et au remontage de la brosse cylindrique sont, cependant, perfectibles notamment en ce qui concerne l'ergonomie et l'accessibilité. En effet, ces opérations exigent un arrêt prolongé de marche de la machine entraínant une perte de productivité et une augmentation de la charge ouvrière correspondante. En outre, les manipulations sont également peu agréables car l'accès à la brosse est étroit.These manipulations necessary for disassembly and reassembly of the cylindrical brush are, however, perfectible in particular with regard to ergonomics and accessibility. Indeed, these operations require an extended shutdown of machine operation resulting in lost productivity and increased the corresponding workload. In addition, the manipulations are also little pleasant because the access to the brush is narrow.
Par GB-A-250 031, on connaít un dispositif de nettoyage du peigne circulaire d'une peigneuse circulaire au moyen d'une brosse rotative montée en porte-à-faux sur un support orientable, et dont on peut corriger la position par rapport au peigne circulaire, de façon à compenser l'usure des poils de la brosse. Le support de la brosse est pivotant de sa position de travail à celle de repos, de manière à permettre le démontage et l'échange de la brosse sans avoir à démonter le support. La brosse, qui peut être de toutes formes usuelles, est montée de façon amovible sur l'arbre du support par un moyen de connexion rapide. Cependant, le montage de cette brosse par rapport au peigne circulaire est encombrant et incompatible avec une utilisation sur des machines de peignages modernes. En outre, les différentes manoeuvres de la brosse sont effectuées manuellement, sans prévision de moyens pouvant permettre de compenser automatiquement l'usure des poils de la brosse.By GB-A-250 031, there is known a comb cleaning device circular of a circular combing machine by means of a rotary brush mounted in overhang on an adjustable support, and whose position can be corrected by relative to the circular comb, so as to compensate for the wear of the bristles of the brush. The brush support is pivotable from its working position to that of rest, so as to allow disassembly and exchange of the brush without having to disassemble the support. The brush, which can be of any usual shape, is mounted so removable on the support shaft by a quick connection means. However, the mounting this brush relative to the circular comb is bulky and incompatible with use on modern combing machines. In in addition, the various operations of the brush are carried out manually, without provision of means that can automatically compensate for wear brush bristles.
Par ailleurs, EP-A-0 493 336 décrit une tête de peignage pourvue de brosses de nettoyage des peignes d'un groupe de peignage, dans laquelle lesdites brosses de nettoyage sont montées de manière démontable axialement, c'est-à-dire par le côté de la machine. Un tel montage des brosses permet de faciliter leur remplacement à l'arrêt de la machine. Toutefois, ces brosses ne présentent aucun moyen de compensation de la position des brosses par rapport aux peignes des groupes de peignage pendant le fonctionnement de la machine. Furthermore, EP-A-0 493 336 describes a combing head provided with comb cleaning brushes of a combing group, wherein said combs cleaning brushes are axially demountable, i.e. from the side of the machine. Such mounting of the brushes facilitates their replacement when the machine is stopped. However, these brushes have no means for compensating the position of the brushes relative to the combs of the combing groups during machine operation.
Enfin, EP-A-0 417 021 décrit un dispositif de montage d'une brosse cylindrique de nettoyage du peigne cylindrique d'une peigneuse rectiligne, essentiellement constituée par un peigne fixe, par un peigne cylindrique, par une brosse cylindrique de nettoyage, par un doffer, par un peigne détacheur, traitant une nappe de fibres entrantes, et par un moyen de compensation automatique de l'usure de la brosse cylindrique. Un tel dispositif décrit, certes, une brosse de nettoyage d'un peigne circulaire munie d'un moyen de compensation de l'usure de ladite brosse, mais ne prévoit nullement un montage et un démontage rapides de cette brosse au moyen d'un dispositif assurant simultanément la fixation et le centrage de cette brosse. Finally, EP-A-0 417 021 describes a device for mounting a cylindrical brush for cleaning the cylindrical comb of a combing machine straight, essentially constituted by a fixed comb, by a comb cylindrical, by a cylindrical cleaning brush, by a doffer, by a detaching comb, treating a sheet of incoming fibers, and by means of automatic compensation for the wear of the cylindrical brush. Such device described, certainly, a brush for cleaning a circular comb provided with a means of compensating for the wear of said brush, but does not by no means provides for rapid assembly and disassembly of this brush at means of a device ensuring simultaneously the fixing and the centering of this brush.
La présente invention a pour but de pallier les inconvénients des dispositifs de montage de la brosse cylindrique de nettoyage du peigne cylindrique connus en proposant un tel dispositif de montage permettant un démontage et un remontage rapides de la brosse cylindrique de nettoyage du peigne cylindrique d'une peigneuse rectiligne, ainsi qu'une prise en compte de l'usure de ladite brosse avec compensation automatique de cette dernière. The object of the present invention is to overcome the drawbacks of the mounting devices for the cylindrical comb cleaning brush known by proposing such a mounting device allowing disassembly and quick reassembly of the cylindrical comb cleaning brush a straight combing machine, as well as taking into account the wear of said brush with automatic compensation of the latter.
A cet effet, le dispositif de montage d'une brosse cylindrique de nettoyage du peigne cylindrique d'une peigneuse rectiligne, essentiellement constituée par un peigne fixe, par un peigne cylindrique, par une brosse cylindrique de nettoyage, par un doffer, par un peigne détacheur, traitant une nappe de fibres entrantes, et par un moyen de compensation automatique de l'usure de la brosse cylindrique, est caractérisé en ce qu'il est pourvu d'un moyen de démontage, de remontage et de fixation rapides de la brosse cylindrique sur son arbre d'entraínement et en ce que l'arbre d'entraínement de la brosse présente une longueur supérieure à celle de ladite brosse et est muni, d'une part, à son extrémité libre, d'un moyen destiné à coopérer avec le moyen de démontage, de remontage et de fixation rapides de la brosse cylindrique et, d'autre part, sur sa partie s'étendant à l'intérieur de la brosse cylindrique, d'un moyen de butée et de centrage dudit moyen de démontage, de remontage et de fixation rapides de ladite brosse cylindrique.To this end, the device for mounting a cylindrical brush of cleaning the cylindrical comb of a straight combing machine, essentially constituted by a fixed comb, by a cylindrical comb, by a brush cylindrical cleaning, by a doffer, by a detaching comb, treating a layer of incoming fibers, and by a compensation means automatic wear of the cylindrical brush, is characterized in that it is provided with a means of rapid disassembly, reassembly and fixing of the cylindrical brush on its drive shaft and in that the shaft brush drive has a length greater than that of said brush and is provided, on the one hand, at its free end, with a means intended to cooperate with the means of disassembly, reassembly and fixing rapid of the cylindrical brush and, on the other hand, on its part extending to the interior of the cylindrical brush, of a stop and centering means of said means of rapid disassembly, reassembly and fixing of said brush cylindrical.
L'invention sera mieux comprise grâce à la description ci-après,
qui se rapporte à des modes de réalisation préférés, donnés à titre
d'exemples non
limitatifs, et expliqués avec référence aux dessins schématiques annexés, dans
lesquels :
La figure 1 des dessins annexés représente, à titre d'exemple une
peigneuse rectiligne essentiellement constituée par un peigne fixe 1, par un peigne
cylindrique 2, par une brosse cylindrique de nettoyage 3, par un doffer 4 et par un
peigne détacheur 5, traitant une nappe de fibres entrantes 6.Figure 1 of the accompanying drawings shows, by way of example a
rectilinear combing machine essentially constituted by a
Conformément à l'invention, le dispositif de montage de la brosse
cylindrique 3 de nettoyage du peigne cylindrique 2 est pourvu, d'une part, d'un
moyen 7 de démontage, de remontage et de fixation rapides de la brosse
cylindrique 3 sur son arbre d'entraínement 3' et, d'autre part, d'un moyen 8 de
compensation automatique de l'usure de la brosse cylindrique 3.According to the invention, the brush mounting device
cylindrical 3 for cleaning the
De manière connue, la brosse cylindrique de nettoyage 3 est
constituée par un corps tubulaire, sur lequel sont fixés les poils, et est montée en
butée sur son arbre d'entraínement 3' de manière centrée et avec possibilité
d'entraínement en rotation dudit arbre d'entraínement 3' par l'intermédiaire d'ergots
3" coopérant avec des encoches 3"' du corps tubulaire ( figures 3 à 8). En vue de
permettre le retournement de la brosse et son entraínement sur l'arbre 3', le corps
tubulaire de cette dernière est avantageusement pourvu à ses deux extrémités
d'encoches 3"'. Par ailleurs, l'arbre d'entraínement 3' est monté à une extrémité sur
des roulements 9 dans un palier 10 et est entraíné en rotation par des moyens
connus, non représentés aux dessins annexés. Près de ce palier 10. l'arbre 3' est
muni d'une butée axiale concentrique 11 pourvue des ergots 3" d'entraínement de
la brosse 3.In known manner, the
Selon une caractéristique de l'invention, l'arbre 3' d'entraínement de
la brosse 3 présente une longueur supérieure à celle de ladite brosse 3 et est muni,
d'une part, à son extrémité libre, d'un moyen 12 destiné à coopérer avec le moyen
7 de démontage, de remontage et de fixation rapides de la brosse cylindrique 3 et,
d'autre part, sur sa partie s'étendant à l'intérieur de la brosse cylindrique 3, d'un
moyen 13 de butée et de centrage dudit moyen 7 de démontage, de remontage et
de fixation rapides de ladite brosse cylindrique 3 (figures 3, 5 et 7).According to a characteristic of the invention, the shaft 3 'for driving
the
Le moyen 12, destiné à coopérer avec le moyen 7 de démontage, de
remontage et de fixation rapides de la brosse cylindrique 3 réalise le blocage en
rotation et le centrage du moyen 7 sur l'arbre d'entraínement 3' et se présente
avantageusement sous forme d'une partie d'extrémité cannelée, clavetée ou autre
de l'arbre d'entraínement 3', ladite extrémité étant pourvue, en outre, d'un moyen
de blocage axial du moyen 7 sur l'arbre d'entraínement 3', tel qu'un taraudage
destiné à coopérer avec une vis 14 de serrage du moyen 7 sur l'arbre
d'entraínement 3'.The
Le moyen 13 de butée et de centrage du moyen 7 de démontage, de
remontage et de fixation rapides de la brosse cylindrique 3 est constitué par un
centreur conique solidaire de l'arbre d'entraínement 3' coopérant, en position de
service de la brosse cylindrique 3, avec un manchon de positionnement 7' du
moyen 7. Ainsi, le moyen 7 de démontage, de remontage et de fixation rapides de
la brosse cylindrique 3 peut être parfaitement centré et serré sur l'arbre
d'entraínement 3' de la brosse 3.The
Ce moyen 7 de démontage, de remontage et de fixation rapides de la
brosse cylindrique 3 est constitué, d'une part, par un élément de manoeuvre sous
forme d'un volant muni d'un manchon de positionnement 7' s'étendant
concentriquement sur un côté dudit volant et dont l'extrémité solidaire du volant
est pourvue d'un dispositif de blocage en rotation et de centrage tel que des
cannelures coopérant avec celles de la partie d'extrémité cannelée de l'arbre
d'entraínement 3', l'extrémité distale présentant un cône femelle destiné à coopérer
avec le centreur conique formant le moyen 13 de butée et de centrage du moyen 7
et, d'autre part, par une butée élastique 15 montée à coulissement contre l'action
d'un ressort de rappel 15' sur le manchon de positionnement 7', sans possibilité de
rotation par rapport à ce dernier, et pourvue de moyens 15" de connexion rapide
destinés à coopérer avec le corps tubulaire de la brosse 3. Ainsi, les moyens de
connexion rapide 15" peuvent être amenés dans le corps tubulaire de la brosse 3,
afin de réaliser la solidarisation de la brosse 3 avec le moyen 7. pour permettre la
mise en place et le retrait de ladite brosse 3.This means 7 for rapid disassembly, reassembly and fixing of the
Le montage de la brosse est effectué par enfilage de ladite brosse 3 et
du moyen 7 sur l'arbre d'entraínement 3'. Dans cette position, la rotation du moyen
7 autour de l'arbre d'entraínement 3' est possible car le dispositif de blocage en
rotation et de centrage constitué par les cannelures du moyen 7 ne coopère pas
avec l'extrémité cannelée de l'arbre d'entraínement 3'. La rotation du volant autour
de l'arbre d'entraínement 3' permet, de ce fait, respectivement aux moyens de
connexion rapide 15" et aux ergots 3" d'entraínement de coopérer avec le corps
tubulaire de la brosse 3 et avec les encoches 3"' correspondantes du corps de la
brosse 3.The brush is assembled by threading said
Un déplacement axial consécutif du volant muni du manchon de
positionnement 7' permet de provoquer l'enclenchement du dispositif de blocage
en rotation et de centrage formé par les cannelures du moyen 7 avec celles de la
partie d'extrémité cannelée de l'arbre d'entraínement 3'. Cet enclenchement est
maintenu par le dispositif de blocage axial formé par la vis de serrage 14. Il résulte
de ce montage qu'en fonctionnement la butée élastique 15 est en butée axiale sur
l'arbre d'entraínement 3' et permet de mettre en pression le corps de la brosse
cylindrique 3 contre la butée axiale concentrique 11.A consecutive axial movement of the steering wheel fitted with the sleeve
positioning 7 'allows the locking device to be engaged
in rotation and centering formed by the grooves of the
Dans cette configuration, la brosse cylindrique 3 est parfaitement
positionnée par rapport à son arbre d'entraínement 3' et par rapport au peigne
cylindrique 2 et est entraínée en rotation uniquement par la butée axiale
concentrique 11, du côté de son extrémité latérale proche du palier 10.In this configuration, the
Le démontage de la brosse 3 s'effectue par dévissage de la vis de
serrage 14 formant le dispositif de blocage axial du moyen 7, puis par retrait axial
dudit moyen 7, préalablement rendu solidaire du corps de la brosse 3 grâce aux
moyens de connexion rapide 15" coopérant avec la partie perpendiculaire des
encoches 3"' du corps de la brosse 3. Lorsque la brosse 3 est suffisamment
dégagée du bâti 18 de la machine, c'est-à-dire lorsque la brosse est facilement
accessible manuellement, le moyen 7 est séparé du corps de la brosse 3 et
l'extraction axiale dudit corps de la brosse 3 est poursuivie.The
Conformément à une variante de réalisation de l'invention, et comme
le montrent les figures 7 et 8 des dessins annexés, les moyens de connexion rapide
15" du moyen 7 coopèrent par friction avec le corps tubulaire de la brosse
cylindrique 3. Ainsi, la butée élastique 15 peut, par exemple, être munie d'au
moins une rainure circulaire à l'intérieur de laquelle est monté un jonc élastique,
métallique ou en matière synthétique, de dimension supérieure à celle de la
rainure, immobilisé en rotation par rapport à la butée élastique 15 et destiné à
solidariser par friction la partie intérieure du corps tubulaire de la brosse
cylindrique 3 avec la butée élastique 15 du moyen 7. Du fait de la solidarisation du
corps de la brosse 3 avec le moyen 7 de démontage, remontage et fixation rapides.
il est possible, d'une part, de faire coopérer les encoches 3"' du corps de la brosse 3
avec les ergots d'entraínement 3", lors du montage de ladite brosse 3, en
actionnant le volant du moyen 7 et, d'autre part, d'extraire simultanément le corps
de la brosse 3, lors du démontage de ladite brosse 3, en retirant axialement le
volant du moyen 7.In accordance with an alternative embodiment of the invention, and as
shown in Figures 7 and 8 of the accompanying drawings, the quick connection means
15 "of the
Le moyen 7 de démontage, de remontage et de fixation rapides de la
brosse cylindrique 3 permet ainsi un montage et un démontage rapides et aisés de
la brosse cylindrique par des manipulations parfaitement ergonomiques, l'accès à
la brosse 3 étant amélioré. En outre, du fait de la symétrie par retournement des
extrémités du corps de la brosse cylindrique 3, à savoir de la disposition des
encoches 3"', ladite brosse 3 est parfaitement positionnée longitudinalement sur
son arbre d'entraínement 3' par rapport au peigne cylindrique 2.The
De manière connue, l'arbre d'entraínement 3' avec son palier 10 est
monté sur un support 16 pouvant pivoter autour d'un axe d'articulation 17 fixé au
bâti 18 de la machine. La position de cet axe d'articulation 17 est avantageusement
telle que l'arc décrit par l'arbre d'entraínement 3', lors de son mouvement de
pivotement, peut être assimilé à un segment rectiligne.In known manner, the drive shaft 3 'with its
Le moyen 8 de compensation automatique de l'usure de la brosse
cylindrique 3 est essentiellement constitué par au moins un actionneur 19
coopérant avec le support pivotant 16 de l'arbre d'entraínement 3' de la brosse
cylindrique 3 pour déplacer cette dernière dans au moins une direction
perpendiculaire à son axe et par un dispositif 20 de commande et de contrôle
automatique de la position de la brosse cylindrique 3 (figures 1 et 2). Ainsi, la
brosse cylindrique 3 peut être rapprochée plus ou moins du peigne cylindrique 2 et
du doffer 4, en fonction de sa direction et de son sens de déplacement. Si la brosse
cylindrique 3 se rapproche du peigne cylindrique 2, les poils ou touffes, dont elle
est garnie, pénètrent entre les dents ou les aiguilles du peigne cylindrique 2, même
si les poils ou touffes sont courbés ou repliés, et les débarrassent complètement
des fibres courtes et des impuretés végétales qui les encombrent.The
Par contre, les aiguilles du doffer 4 ne pénètrent pas dans les poils ou
touffes de la brosse cylindrique 3, mais restent tangentes à ces dernières et peuvent
même présenter un petit jeu avec ceux-ci. La position de la brosse cylindrique 3
doit donc être telle qu'elle assure, d'une part, une interpénétration optimale entre la
brosse cylindrique 3 et le peigne cylindrique de 2 et, d'autre part. la tangence entre
la brosse cylindrique 3 et le doffer 4.On the other hand, the needles of
Conformément à une caractéristique de l'invention et comme le
montrent plus particulièrement les figures 1 et 2 des dessins annexés, l'actionneur
19, coopérant avec le support pivotant 16 de l'arbre d'entraínement 3' de la brosse
cylindrique 3, est constitué par un moteur électrique 21, conventionnel ou pas-à-pas.
réversible et/ou muni d'un réducteur 22 commandé par le dispositif 20 de
commande et de contrôle automatique de la position de la brosse cylindrique 3, et
par un dispositif mécanique 23 de transformation du mouvement de rotation dudit
moteur électrique 21 en mouvement de déplacement de la brosse cylindrique 3.In accordance with a feature of the invention and as the
more particularly show Figures 1 and 2 of the accompanying drawings, the
Selon une autre caractéristique de l'invention, l'actionneur 19 peut
être pourvu, en outre, d'une part, d'un dispositif de débrayage ou de
désaccouplement (non représenté) entre le moteur électrique 21 et le dispositif
mécanique 23 de transformation du mouvement de rotation du moteur électrique
21 en mouvement de déplacement de la brosse cylindrique 3. et, d'autre part, d'une
commande manuelle 24 du déplacement de la brosse cylindrique 3 agissant sur le
dispositif mécanique 23 de transformation du mouvement de rotation. Ainsi, le
dispositif de désaccouplement peut être constitué par un moyen de déplacement de
l'ensemble formé par le moteur électrique réversible 21, muni d'un réducteur 22 et
du pignon ou de la roue 25, par rapport au pignon ou à la roue 26, de manière à les
désolidariser. Bien entendu, il est également possible de réaliser ce dispositif de
débrayage ou de désaccouplement sous forme d'un embrayage de type connu.According to another characteristic of the invention, the
Le dispositif mécanique 23 est constitué par un premier élément de
transmission tel qu'un pignon, une roue ou une poulie 25, monté sur l'arbre de
sortie du moteur électrique 21 et coopérant avec un deuxième élément de
transmission tel qu'un pignon, une roue ou une poulie 26, et par une vis 27
d'actionnement en pivotement du support pivotant 16 de l'arbre d'entraínement 3'
de la brosse cylindrique 3, assujettie en translation par rapport au bâti 18 par
l'intermédiaire d'une butée 28 et coopérant avec un écrou 29 monté à articulation
sur ledit support pivotant 16. Ainsi, par vissage ou dévissage de la vis 27 dans
l'écrou 29, le support pivotant 16 est déplacé en pivotement suivant l'un ou l'autre
sens de la double flèche F selon une trajectoire en arc de cercle rapprochant la
brosse 3 du peigne cylindrique 2 ou l'écartant de ce dernier.The
Bien entendu, le mode de réalisation du dispositif mécanique 23, tel
que décrit ci-dessus, n'est donné qu'à titre d'exemple préférentiel, d'autres modes
de réalisation de ce dispositif mécanique 23 peuvent être envisagés dans le cadre
de la présente invention. Of course, the embodiment of the
Ainsi, conformément à une variante de réalisation de l'invention,
représentée à la figure 2 des dessins annexés, le dispositif mécanique 23 peut
également être constitué par une vis sans fin 27 entraínée par un moteur électrique
21 ou un moteur pas-à-pas réversible et engrenant avec un secteur denté 41
articulé sur un axe 42 solidaire du bâti 18, ledit secteur denté 41 entraínant le
support pivotant 16 par l'intermédiaire d'un dispositif bielle 43-manivelle 44, d'un
dispositif à excentrique ou d'une came.Thus, in accordance with an alternative embodiment of the invention,
shown in Figure 2 of the accompanying drawings, the
Du fait, d'une part, de la disposition géométrique de la brosse
cylindrique 3 par rapport au peigne cylindrique 2 et au doffer 4 et. d'autre part, du
fait de l'usure progressive de ladite brosse 3, le diamètre extérieur apparent de la
brosse cylindrique 3 diminue progressivement et la valeur du déplacement
angulaire du support pivotant 16 doit être progressivement augmentée de façon à
maintenir une interpénétration constante ou quasi-constante des poils ou touffes de
la brosse cylindrique 3.On the one hand, due to the geometric arrangement of the
Un dispositif mécanique 23 ainsi constitué permet de transformer un
mouvement uniformément circulaire du moteur électrique 21 ou du moteur pas-à-pas
en un mouvement circulaire non uniforme de la position de l'arbre
d'entraínement 3' par rapport à l'axe d'articulation 17. Ainsi, en fonction de la
position angulaire de la bielle 43 et de son sens de rotation autour de l'axe 42, il
est possible, pour chaque déplacement angulaire successif du moteur électrique 21
ou du moteur pas-à-pas d'augmenter ou de réduire chaque déplacement angulaire
successif de l'arbre d'entraínement 3' autour de l'axe d'articulation 17.A
Par ailleurs, afin d'assurer le positionnement du support pivotant 16
après son réglage par le moyen 8 de compensation automatique de l'usure de la
brosse cylindrique 3, le dispositif selon la présente invention comporte, en outre,
un ou plusieurs moyens 30 de maintien en position constitués par des moyens
élastiques de blocage, tels qu'un empilement de rondelles élastiques ou un ressort,
et par des moyens de déblocage, tels que des vérins pneumatiques ou hydrauliques
agissant sur des surfaces de pression correspondantes du bâti 18 de la machine et
du support pivotant 16. De tels moyens permettant le maintien de la brosse
cylindrique 3 dans sa position d'arrêt de travail (figures 3 à 8).Furthermore, in order to ensure the positioning of the pivoting
Selon une autre caractéristique de l'invention, et comme le montre la
figure 11 des dessins annexés, le dispositif 20 de commande et de contrôle
automatique de la position de la brosse cylindrique 3 du moyen 8 de compensation
automatique de l'usure de la brosse cylindrique 3 comporte un asservissement
programmable 32 réglant la périodicité et la valeur du déplacement de ladite
brosse cylindrique 3, commandant le blocage en position du support pivotant 16
par l'intermédiaire des moyens 30 de maintien en position et fixant la vitesse de
rotation de ladite brosse cylindrique 3, en fonction ou indépendamment de sa
position, en commandant son entraínement par un moteur électrique 33 à vitesse
variable. La liaison entre le moteur électrique 33 à vitesse variable et l'arbre
d'entraínement 3' de la brosse cylindrique 3 peut être réalisé, de manière connue,
au moyen de courroies, de pignons, ou de chaínes.According to another characteristic of the invention, and as shown in the
Figure 11 of the accompanying drawings, the command and
Conformément à une autre caractéristique de l'invention, le moyen 8
de compensation automatique de l'usure de la brosse cylindrique 3 peut être
complété par des capteurs de position 34 contrôlant la position de l'arbre
d'entraínement 3' de la brosse cylindrique 3 et/ou le diamètre efficace des poils ou
touffes de la brosse cylindrique 3 et reliés à l'asservissement programmable 32,
qui délivre en conséquence des ordres de réglage du support pivotant 16 et du
moteur électrique 33 d'entraínement de l'arbre 3' d'entraínement de la brosse
cylindrique 3.In accordance with another characteristic of the invention, the
Selon une variante de réalisation de l'invention, et comme le
montrent les figures 5 et 6 des dessins annexés, le moyen 7 de démontage, de
remontage et de fixation rapides de la brosse cylindrique 3 peut être muni, en
outre, sur le manchon de positionnement 7' du volant formant l'élément de
manoeuvre, d'un palier 35 de montage coopérant avec un logement de guidage 36
d'une butée 38 solidaire du bâti 18 de la machine, ce palier 35 étant relié au
manchon 7' par l'intermédiaire d'un roulement 37. Ainsi, le battement du moyen 7
peut être éliminé et le positionnement de la brosse 3 peut être parfaitement réalisé
par rapport au peigne cylindrique 2.According to an alternative embodiment of the invention, and as the
show Figures 5 and 6 of the accompanying drawings, the
Dans un tel mode de réalisation, le logement de guidage 36 se
présente, soit sous forme d'un logement curviligne correspondant à l'amplitude de
déplacement de l'arbre d'entraínement 3', soit sous forme d'une plaque de guidage
munie d'un évidement curviligne de réception du palier 35 et rapportée sur le bâti
18 de la machine, devant un trou de passage d'une ouverture de surface supérieure
à celle du logement curviligne. Un moyen 7 ainsi équipé d'un palier 35 solidaire
du volant de manoeuvre est démonté et monté de manière identique à un moyen 7
tel que décrit précédemment, le palier 35 accompagnant l'ensemble dans le
mouvement d'extraction axiale et d'engagement axial de la brosse cylindrique 3.In such an embodiment, the
Selon une autre caractéristique de l'invention, afin de garantir un
positionnement correct continu de la brosse cylindrique 3, le moyen 8 de
compensation automatique de l'usure de la brosse cylindrique 3 peut être pourvu,
en outre, d'un dispositif de compensation du réglage et de maintien de l'extrémité
de l'arbre porte-brosse, qui consiste, comme le montrent les figures 9 et 10 des
dessins annexés, en une butée mobile 38 s'appuyant contre le palier 35 du moyen 7
de démontage, de remontage et de fixation rapides de la brosse cylindrique 3 et
monté sur un levier 39 articulé à une extrémité sur le bâti 18 de machine et en un
moyen 40 d'actionnement et de mise sous charge dudit levier 39, relié à l'autre
extrémité de ce levier 39 et s'appuyant sur le bâti 18.According to another characteristic of the invention, in order to guarantee a
continuous correct positioning of the
De préférence, le moyen 40 d'actionnement et de mise sous charge
du levier 39 fonctionne par arc-boutement et est constitué par un levier 40' articulé
à une extrémité sur le bâti 18 de la machine et coopérant à son autre extrémité
avec une tringle 40" de longueur variable sous charge reliée à l'extrémité libre du
levier 39, le levier 40' du moyen 40 étant pourvu, par ailleurs, d'un moyen
d'actionnement 40"', tel qu'une pédale, un levier ou autre, une butée 45-45' solidaire
du bâti 18 limitant la course de basculement du levier 40'.Preferably, the
Selon une autre caractéristique de l'invention, non représentée aux
dessins annexés, le moyen 40 d'actionnement et de mise sous charge du levier 39
peut être pourvu, en outre, d'un élément amortisseur. Un tel élément amortisseur
permet d'améliorer l'absorption du battement de l'arbre porte-brosse.According to another characteristic of the invention, not shown in
attached drawings, the
La tringle 40" de longueur variable sous charge peut se présenter,
comme le montrent les figures 9 et 10, sous forme d'un élément télescopique, dont
l'une des parties constitutives est un fourreau de guidage de l'extrémité de l'autre
partie, qui s'appuie sur l'extrémité correspondante de la première partie par
l'intermédiaire d'un ressort de compression en butée contre une bague de retenue
ou analogue de ladite deuxième partie.The
Pour la mise en oeuvre du dispositif de compensation du réglage et
de maintien de l'extrémité de l'arbre porte-brosse, il suffit, en partant de la position
représentée à la figure 9, après mise en place du moyen 7 avec son palier 35,
d'appuyer sur la pédale 40"' d'actionnement du levier 40' agissant sur la tringle 40"
de longueur variable sous charge. Cette dernière pousse alors sur le levier 39
portant la butée mobile 38 et applique celle-ci contre le palier 35. Pour assurer le
maintien en position d'application de la butée mobile 38, le levier 40' est pivotée
dans une position d'arc-boutement du moyen 40, dans laquelle l'axe d'articulation
entre le levier 40' et le tringle 40" a dépassé la position d'équilibre du moyen 40,
constituée par la ligne passant par les axes d'articulation du levier 40' sur le bâti 18
et entre la tringle 40" et le levier 39. Le levier 40' est en appui, dans cette position,
contre la butée 41 solidaire du bâti 18.For the implementation of the adjustment compensation device and
holding the end of the brush holder shaft, just from the position
represented in FIG. 9, after the
Selon une variante de réalisation de l'invention, le moyen 40"'
d'actionnement du levier 40' du moyen 40 d'actionnement et de mise sous charge
du levier 39 peut également être constitué par un vérin agissant sur ledit levier 39
et dont l'enclenchement est assuré, soit automatiquement lors de la mise en
marche de la machine, soit par l'intermédiaire d'un bouton de commande non
représenté.According to an alternative embodiment of the invention, the
Une peigneuse rectiligne équipée d'un dispositif conforme à l'invention fonctionne de la manière suivante :A straight combing machine equipped with a device conforming to the invention operates as follows:
La nappe de fibres entrantes 6 est peignée, d'une part. par le peigne
cylindrique 2 et, d'autre part, par le peigne fixe 1. Les fibres courtes et les
impuretés ainsi extraites de la nappe de fibres entrantes 6 forment la blousse, qui
s'agglomère sur le peigne cylindrique 2. Ce dernier est déchargé de sa blousse et
nettoyé par la brosse cylindrique de nettoyage 3. Cette opération de nettoyage du
peigne cylindrique 2 est réalisée du fait que ledit peigne cylindrique 2 et la brosse
cylindrique 3 tournent respectivement dans les sens de rotation indiqués à la figure
1. La brosse cylindrique 3 tourne plus rapidement que le peigne cylindrique 2. Le
doffer 4 tournant également dans le sens de rotation indiqué à la figure 1, plus
lentement que la brosse cylindrique 3, reprend la blousse et en est déchargé à son
tour par le peigne détacheur 5 qui, par son mouvement oscillant, fait tomber ladite
blousse dans un bac de récupération faisant partie de la peigneuse rectiligne. Le
voile 6' obtenu, uniquement composé de fibres peignées longues, est alors reformé
sur un manchon d'arrachage, condensé en ruban par un entonnoir et placé dans un
pot. Le ruban peigné, réalisé à partir du voile 6', constitue le produit sortant de la
peigneuse rectiligne.The ply of
Pour réaliser une compensation de l'usure de la brosse cylindrique 3,
le dispositif 20 de commande et de contrôle automatique de la position de la
brosse cylindrique 3 délivre un signal de commande de l'actionneur 19. Ce dernier
déplace alors la brosse cylindrique 3 au moyen du support pivotant 16 de l'arbre
d'entraínement 3' en direction du peigne cylindrique 2, afin que les poils ou
touffes, dont elle est garnie, pénètrent entre les dents ou les aiguilles du peigne
cylindrique 2, même s'ils sont courbés ou repliés, et les débarrassent
complètement des fibres courtes et des impureté végétales qui les encombrent.To compensate for the wear of the
Grâce à l'invention, il est possible de compenser l'usure de la brosse
cylindrique 3 en continu et automatiquement et d'améliorer l'ergonomie de ses
manipulations. En effet, la brosse cylindrique 3 est constamment maintenue dans
une position optimale par rapport au peigne cylindrique 2, qui est toujours bien
débarrassé et nettoyé de la blousse. Le peigne cylindrique 2 étant propre en
permanence, la maintenance de la peigneuse rectiligne est largement facilitée.Thanks to the invention, it is possible to compensate for the wear of the brush.
cylindrical 3 continuously and automatically and improve the ergonomics of its
manipulation. Indeed, the
En outre, la propreté constante du peigne cylindrique 2 assure une
meilleure qualité du travail de la peigneuse rectiligne, cette propreté constante
étant également due au nettoyage très régulier du peigne cylindrique 2. En effet, ce
dernier étant nettoyé d'une manière plus efficace, le produit sortant est
automatiquement de meilleure qualité. Par ailleurs, le dispositif de maintien de
l'extrémité de l'arbre porte-brosse permet d'éliminer le battement et de positionner
parfaitement la brosse cylindrique par rapport au peigne cylindrique.In addition, the constant cleanliness of the
De plus, par la compensation automatique de l'usure de la brosse
cylindrique 3, cette dernière a une durée de vie prolongée et est, d'une manière
générale, mieux exploitée. Par ailleurs, de nombreux arrêts de la machine sont
évités, ce qui entraíne une contribution sensible à l'élévation du rendement de la
peigneuse rectiligne.In addition, by automatic brush
Enfin, le démontage et le remontage de la brosse cylindrique 3 étant
facilités et accélérés, la durée d'arrêt de la machine pour retournement ou
remplacement de la brosse cylindrique 3 est réduite, ce qui permet une
augmentation du rendement de la machine et une réduction de la charge ouvrière
supplémentaires.Finally, the disassembly and reassembly of the
Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et représentés aux dessins annexés. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiments described and shown in the accompanying drawings. Modifications are still possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.
Claims (22)
- Mounting apparatus for a cylindrical cleaning brush of the cylindrical comb of a rectilinear comber, substantially consisting of a fixed comb (1), a cylindrical comb (2), a cylindrical cleaning brush (3), a doffer (4), a detaching comb (5), processing an incoming fibre web (6), and a means (8) for automatic compensation of the wear of the cylindrical brush (3), characterised in that it is provided with a means (7) for disassembly, reassembly and fast fixing of the cylindrical brush (3) on its drive shaft (3') and in that the drive shaft (3') of the brush (3) has a length which is greater than that of said brush (3) and is provided, on the one hand, at its free end, with a means (12) for cooperating with the means (7) for disassembly, reassembly and quick fixing of the cylindrical brush (3) and, on the other hand, on its portion extending inside the cylindrical brush (3), with a means (13) for stopping and centring said means (7) for disassembly, reassembly and quick fixing of said cylindrical brush (3).
- Mounting apparatus according to claim 1, characterised in that the means (12) for cooperating with the means (7) for disassembly, reassembly and quick fixing of the cylindrical brush (3) is in the form of a fluted, keyed or other end portion of the drive shaft (3'), said end also being provided with an axial locking means for the means (7) on the drive shaft (3'), such as a thread for cooperating with a screw (14) for locking the means (7) on the drive shaft (3').
- Mounting apparatus according to claim 1, characterised in that the means (13) for stopping and centring the means (7) for disassembly, reassembly and quick fixing of the cylindrical brush (3) consists of an integral conical centring device of the drive shaft (3') cooperating, in the service position of the cylindrical brush (3), with a positioning sleeve (7') of the means (7) for disassembly, reassembly and quick fixing of the cylindrical brush (3).
- Mounting apparatus according to any one of claims 1 to 3, characterised in that the means (7) for disassembly, reassembly and quick fixing of the cylindrical brush (3) consists, on the one hand, of a control element in the form of a steering wheel provided with a positioning sleeve (7') extending concentrically on a side of said steering wheel and of which the end integral with the steering wheel is provided with a device for rotational locking and centring such as grooves cooperating with those of the fluted end portion of the drive shaft (3'), the distal end having a female cone for cooperating with the conical centring device forming the means (13) for stopping and centring of the means (7) for disassembly, reassembly and quick fitting of the cylindrical brush (3) and, on the other hand, of a resilient stop (15) mounted to slide counter to the action of a return spring (15') on the positioning sleeve (7'), without the possibility of rotating relative to the latter, and provided with means (15'') for quick connection for cooperating with the tubular body of the brush (3).
- Mounting apparatus according to claim 4, characterised in that the tubular body of the cylindrical brush (3) is provided with drive notches (3''') at its two ends.
- Mounting apparatus according to claim 4, characterised in that the means for rapid connection (15'') of the means (7) are in the form of friction means cooperating with the tubular body of the cylindrical brush (3), such as at least one retaining ring which is resilient, metallic or made of synthetic material mounted in a circular groove and with a size greater than that of said circular groove, secured against rotation with respect to the resilient stop (15) and for frictional connection of the interior portion of the tubular body of the cylindrical brush (3) to the resilient stop (15) of the means (7).
- Mounting apparatus according to claim 1, characterised in that the means (8) for automatic compensation of the wear of the cylindrical brush (3) substantially consists of at least one actuator (19) cooperating with the pivotal support (16) of the drive shaft (3') of the cylindrical brush (3) for displacing this latter at least in a direction perpendicular to its axis and of a device (20) for automatic control and monitoring of the position of the cylindrical brush (3).
- Mounting apparatus, according to claim 7, characterised in that the actuator (19) cooperating with the pivotal support (16) of the drive shaft (3') of the cylindrical brush (3) consists of a conventional or step-by-step electric motor (21), which is reversible and/or provided with a reduction gear (22) controlled by the control apparatus (20) and for automatic monitoring of the position of the cylindrical brush (3), and of a mechanical apparatus (23) for transforming the rotational movement of said electric motor (21) into displacement movement of the cylindrical brush (3).
- Mounting apparatus according to any one of claims 7 and 8, characterised in that the actuator (19) is also provided, on the one hand, with an apparatus for disengaging or decoupling between the electric motor (21) and the mechanical apparatus (23) for transforming the rotational movement of the electric motor (21) into a displacing movement of the cylindrical brush (3) and, on the other hand, manual control (24) of the displacement of the cylindrical brush (3) acting on the mechanical apparatus (23) for transforming the rotational movement.
- Mounting apparatus according to any one of claims 8 and 9, characterised in that the mechanical device (23) consists of a first transmission element such as a pinion, a wheel or a pulley (25) mounted on the output shaft of the electric motor (21) and cooperating with a second transmission element such as a pinion, a wheel or a pulley (26) and of a screw (27) for pivotal actuation of the pivotal support (16) of the drive shaft (3') of the cylindrical brush (3) and fixed in translation with respect to the frame (18) by means of a stop (28) and cooperating with a nut (29) mounted in hinged manner on said pivotal support (16).
- Mounting apparatus according to any one of claims 8 and 9, characterised in that the mechanical apparatus (23) consists of an endless screw (27) which is driven by an electric motor (21) or a reversible step-by-step motor and meshes with a toothed sector (41) hinged on an axis (42) which is integral with the frame (18) and driving the pivotal support (16) by means of a crank (43) connecting rod (44) apparatus, an eccentric apparatus or a cam.
- Mounting apparatus according to any one of claims 7, 8, 10 and 11, characterised in that it also comprises one or more position retaining means (30) consisting of resilient locking means, such as a stack of resilient washers or a a spring, and an unlocking means, such as pneumatic or hydraulic jacks acting on corresponding pressure surfaces of the frame (18) of the machine and of the pivotal support (16).
- Mounting apparatus according to claim 7, characterised in that the apparatus (20) for automatic control and monitoring of the position of the cylindrical brush (3) of the means (8) for automatic compensation of the wear of the cylindrical brush (3) comprises a programmable automatic control (32) adjusting the periodicity and the displacement value of said cylindrical brush (3), controlling the locking in position of the pivotal support (16) by means of position retaining means (30) and fixing the rotational speed of said cylindrical brush (3), as a function or independently of its position, while controlling its drive by an electric variable-speed motor (33).
- Mounting apparatus according to any one of claims 1, 7 and 13, characterised in that the means (8) for automatic compensation of wear of the cylindrical brush (3) is completed by position sensors (34) monitoring the position of the drive shaft (3') of the cylindrical brush (3) and/or the effective diameter of the hairs or tufts of the cylindrical brush (3) and connected to the programmable automatic control (32) which consequently supplies instructions for adjusting the pivotal support (16) and the electric motor (33) for driving the drive shaft (3') of the cylindrical brush (3).
- Mounting apparatus according to any one of claims 1 to 4, characterised in that the means (7) for disassembly, reassembly and quick fixing of the cylindrical brush (3) is also provided, on the positioning sleeve (7') of the steering wheel forming the control element, with a bearing (35) for mounting a stop (38) which is integral with the frame (18) of the machine in a guide housing (36), this bearing (35) being connected to the sleeve (7') by means of a rolling bearing (37).
- Mounting apparatus according to claim 15, characterised in that the guide housing (36) is in the form of a curved recess corresponding to the displacement range of the drive shaft (3').
- Mounting apparatus according to claim 15, characterised in that the guide housing (36) is in the form of a guide plate provided with a curved recess for receiving the bearing (35) and attached on the frame (18) of the machine, upstream of a through-hole of an aperture with an area greater than that of the curved housing.
- Mounting apparatus according to any one of claims 1, 7, 13 and 14, characterised in that the means (8) for automatic compensation of the wear of the cylindrical brush (3) is also provided with an apparatus for compensating the adjustment and the retention of the end of the brush-carrying shaft which consists of a movable stop (38) resting against the bearing (35) of the means (7) for disassembly, reassembly and quick fixing of the cylindrical brush (3) and mounted on a lever (39) hinged at one end of the machine frame (18) and a means (40) for actuating and loading said lever (39) connected to the other end of this lever (39) and resting on the frame (18).
- Mounting apparatus according to claim 18, characterised in that the means (40) for actuating and loading the lever (39) operates by staying and consists of a lever (40') hinged at one end on the frame (18) of the machine and cooperating at its other end with a loaded rod (40'') of varying length connected to the free end of the lever (39), the lever (40') of the means (40) being further provided with an actuating means (40"'), such as a pedal, a lever or the like, a stop (45-45') integral with the frame (18) limiting the course of the rocking movement of the lever (40').
- Mounting apparatus according to claim 19, characterised in that the means (40) for actuating and loading the lever (39) is further provided with a damping element.
- Mounting apparatus according to claim 19, characterised in that the loaded rod (40'') of variable length is in the form of a telescopic element, of which one of the constituent parts is a sheath for guiding the end of the other part, which rests on the corresponding end of the first part via a compression spring abutting a retaining ring or the like of said second part.
- Mounting apparatus according to claim 19, characterised in that the means (40''') for actuating the lever (40') of the means (40) for actuating and loading the lever (39) is constituted by a jack screw acting on said lever (39), the triggering of which is ensured by means of a control button.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19980440299 EP1016742B1 (en) | 1998-12-29 | 1998-12-29 | Mounting apparatus of a cylindrical cleaning brush with automatic wear compensation for a cylindrical comb of a rectilinear comber |
DE1998604233 DE69804233T2 (en) | 1998-12-29 | 1998-12-29 | Mounting device of a cylindrical round comb cleaning brush with automatic wear compensation of a combing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19980440299 EP1016742B1 (en) | 1998-12-29 | 1998-12-29 | Mounting apparatus of a cylindrical cleaning brush with automatic wear compensation for a cylindrical comb of a rectilinear comber |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1016742A1 EP1016742A1 (en) | 2000-07-05 |
EP1016742B1 true EP1016742B1 (en) | 2002-03-13 |
Family
ID=8235714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19980440299 Expired - Lifetime EP1016742B1 (en) | 1998-12-29 | 1998-12-29 | Mounting apparatus of a cylindrical cleaning brush with automatic wear compensation for a cylindrical comb of a rectilinear comber |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1016742B1 (en) |
DE (1) | DE69804233T2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6935636B2 (en) | 2002-01-29 | 2005-08-30 | Wasag- Tool Ag | Arrangement for the detachable mounting of a rotatable tool on a drive shaft |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2770105A1 (en) | 2013-02-20 | 2014-08-27 | Schoeller Technocell GmbH & Co. KG | Substrate paper for decorative coating materials |
CN104372453B (en) * | 2014-10-25 | 2016-06-29 | 浙江卓怡纺织有限公司 | A kind of cleaning device of combing machine drafting roller |
JP6135718B2 (en) * | 2015-08-04 | 2017-05-31 | 株式会社豊田自動織機 | Comb |
ITUB20155249A1 (en) * | 2015-10-30 | 2017-04-30 | Mesdan Spa | MEASUREMENT DEVICE FOR MEASUREMENT OF STICKER, IMPERFECTIONS AND IMPURITY? OF TEXTILE FIBERS, IN PARTICULAR COTTON FIBERS. |
CN107083875A (en) * | 2017-06-17 | 2017-08-22 | 武汉普林光通科技有限公司 | Control method with the electronic lock cylinder of automatic clutch and the electronic lock cylinder |
CN108130636B (en) * | 2018-02-09 | 2023-03-24 | 苏州泓聚纤维科技有限公司 | Comber of explosion-proof line |
CH715552A1 (en) * | 2018-11-15 | 2020-05-15 | Rieter Ag Maschf | Combing machine with a device for a brush for optimal cleaning of a round comb. |
CN113481632B (en) * | 2021-09-06 | 2021-11-02 | 南通东方脱脂纱布有限公司 | Intelligent automatic bobbin withdrawing device of combing machine |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB166892A (en) * | 1920-07-21 | 1922-06-01 | Camille Verstraete | Improvements in combing or carding machines |
GB530081A (en) * | 1939-06-16 | 1940-12-04 | Lawrence Lunn | Improvements in or relating to cylindrical rotary brushes |
JPS57167419A (en) * | 1981-04-01 | 1982-10-15 | Daishin Boseki Kk | Comber for waste silk spinning |
FR2651512B1 (en) * | 1989-09-07 | 1991-11-22 | Schlumberger Cie N | DEVICE FOR AUTOMATICALLY COMPENSATING FOR THE WEAR OF THE CIRCULAR BRUSH OF A RECTILINEAR COMB. |
EP0857799B1 (en) * | 1997-02-05 | 2002-05-22 | SANT'ANDREA NOVARA S.p.A. | A rectilinear combing machine with an improved system for the fitting and removal of the cylindrical brush |
-
1998
- 1998-12-29 DE DE1998604233 patent/DE69804233T2/en not_active Expired - Fee Related
- 1998-12-29 EP EP19980440299 patent/EP1016742B1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6935636B2 (en) | 2002-01-29 | 2005-08-30 | Wasag- Tool Ag | Arrangement for the detachable mounting of a rotatable tool on a drive shaft |
Also Published As
Publication number | Publication date |
---|---|
DE69804233D1 (en) | 2002-04-18 |
EP1016742A1 (en) | 2000-07-05 |
DE69804233T2 (en) | 2002-11-21 |
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