WO2008132301A2 - Tete d'application de fibres avec systemes de coupe et de blocage de fibres particuliers - Google Patents
Tete d'application de fibres avec systemes de coupe et de blocage de fibres particuliers Download PDFInfo
- Publication number
- WO2008132301A2 WO2008132301A2 PCT/FR2008/000276 FR2008000276W WO2008132301A2 WO 2008132301 A2 WO2008132301 A2 WO 2008132301A2 FR 2008000276 W FR2008000276 W FR 2008000276W WO 2008132301 A2 WO2008132301 A2 WO 2008132301A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- blocking
- cutting
- fiber
- locking
- blade
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
- B29C70/382—Automated fiber placement [AFP]
- B29C70/384—Fiber placement heads, e.g. component parts, details or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
- B26D1/085—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type for thin material, e.g. for sheets, strips or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/545—Perforating, cutting or machining during or after moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/12—Fluid-pressure means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/14—Means for treating work or cutting member to facilitate cutting by tensioning the work
Definitions
- the present invention relates to a fiber application head for the production of parts made of composite materials, and in particular a fiber application head with particular cutting and blocking systems of fibers.
- fiber application machines commonly called fiber placement machines
- fiber placement machines for the application on a male or female mold of a wide band formed of several flat fibers, of resin-impregnated ribbons type, in particular carbon fibers impregnated with a thermosetting or thermoplastic resin.
- These machines comprise a displacement system of a fiber application head, fiber storage means, and means for conveying fibers from said storage means to the application head.
- the fiber placement heads conventionally comprise, as described in particular in the international application WO2006092514, an application roller intended to come into contact against the mold for applying the strip, means for guiding the fibers on said application roller, cutting means for individually cutting each fiber upstream of the roll, and means for rerouting upstream of cutting means to reroute each cut fiber in order to be able to stop and resume the application of a strip at any time; , as well as choose the width of the band.
- the guide means comprise two systems of ducts or pulleys staggered in two guide planes approaching downstream upstream of each other to separately guide two sheets or bundles of fibers to the roller.
- the cutting means comprise a planar blade actuated by a pneumatic jack and disposed opposite a fixed counter-tool
- the re-routing means comprise counter-rollers actuated by jacks and arranged in opposite pebbles drive.
- the blades and counter-rollers of a first ply, as well as their associated actuating cylinders, are arranged on the roller side, that is to say downstream of the fibers with respect to the direction of advance of the head. use, while the blades and the counter rollers of the other sheet, and their actuating cylinder associated, are arranged upstream of the fibers.
- the upstream actuating cylinders must be arranged sufficiently high relative to the application roller, to be able to use the head on different concave surfaces, and in particular with low angles of attack between the dispensing surface and the fiber web. output of the guide means. Fiber cutting is performed substantially at the same distance from the roll for the two sheets to simplify the management of all the actuating cylinders and thus optimize the accuracy and reliability of the head.
- the downstream cylinders are therefore positioned as high as the cylinders upstream. This arrangement of the actuating cylinders limits the possibilities of optimizing the compactness of the head, and also limits the precision of re-routing of the head, for example to obtain a beginning of the band with cutting edges of the fibers as aligned as possible.
- blocking means are provided to individually block each fiber that has just been cut.
- These blocking means are conventionally arranged upstream of the rerouting means and comprise their own actuating cylinders.
- these new actuating cylinders are difficult to control, they require a complex and precise control system to ensure the blocking of each fiber just cut.
- the object of the present invention is to propose a solution for overcoming at least one of the aforementioned drawbacks, which notably makes it possible to optimize the compactness of the fiber placement heads while guaranteeing good reliability in cutting, re-routing and / or the blocking of the fibers.
- the present invention relates to a fiber application head, intended to be mounted at the end of a displacement system. for application to a surface of a broad band formed of a plurality of fibers, comprising
- Cutting means capable of cutting the fibers upstream of the application roller, with respect to the direction of travel of the fibers, said cutting means comprising blades actuated by actuating systems between a rest position and an active position. cutting, and locking means arranged upstream of the cutting means adapted to block the fibers that have just been cut, said locking means comprising locking pads actuated by actuating systems between a rest position and a active blocking position, characterized in that said blocking pads and said blades are actuated between their rest position and their active position by common actuating systems, said actuating systems being suitable for each fiber to be cut and block, move a blade and a blocking pad to cut and block the fiber, preferably to cut and then block the fiber.
- the use according to the invention of the same actuating systems for cutting and blocking the fibers makes it possible to reduce the number of actuating systems and thus to obtain a more compact head, to simplify the control of the actuating systems, to make the blocking of the fibers more reliable, to obtain a better precision in the blocking of fibers and thus a better precision in the rerouting of the cut fibers to the roll of application.
- the fiber is cut off and then blocked, although perfectly simultaneous cutting and blocking can be envisaged.
- said actuating systems comprise, for each fiber, a cylinder, preferably pneumatic, carrying at the end of its rod a locking pin and a flat blade for individually cutting and blocking a fiber, the cutting edge. being of preferably slightly protruding from the bearing surface of the blocking pin so as to cut and then block the fiber.
- the blade is mounted by its proximal portion in a first longitudinal housing of the cylinder rod, the rod being equipped with a locking system of the blade comprising an actuating pin slidably mounted in a second housing longitudinal axis of the rod and a locking ball mounted in a transverse bore connecting the two longitudinal housings, said actuating pin being elastically biased by resilient means in a rest position in which said pin holds said locking ball at least partially engaged in the first housing for axially locking the blade, in particular in a recess or opening of the blade to block it in its housing, and being able to be moved from the outside, by means of a tool, to a position of release in which the ball may partially engage in the second housing to unlock the blade.
- a locking system of the blade comprising an actuating pin slidably mounted in a second housing longitudinal axis of the rod and a locking ball mounted in a transverse bore connecting the two longitudinal housings, said actuating pin being elastically biased by resilient means in a rest position in which said pin holds said
- the locking means comprise locking counter-tools arranged opposite the locking studs and against which said locking studs abut in the active blocking position.
- FIG. 1 shows a schematic side view of an application head according to the invention assembled on the wrist of a robot;
- FIG. 2 represents a perspective view of the head of FIG.
- FIG. 7 is a partial perspective view of a cutting system of a fiber illustrating the locking stud and the cutting blade at the end of the rod of an actuating jack;
- FIG. 8 is a partial longitudinal sectional view of the rod of a cutting cylinder
- FIG. 9 is a sectional view of the head along the plane IX-IX of Figure 3, illustrating the guide path of a fiber of the second web;
- FIG. 13 is a perspective view of the thermal regulation system, in the absence of the protection plate of the cooling modules;
- FIG. 14 is a partial perspective view of the thermal regulation system.
- the fiber placement head 1 comprises a support plate 10 provided in the upper part with a flange 11 for fixing, along an assembly axis A, to a displacement system S, in particular at the end wrist of a poly-articulated arm of the 6-axis robot type.
- the module comprises two flanges 21, 22, interconnected by crosspieces 231 to 234, and between which are mounted the roller R, the guide system 3, the cutting and guiding systems 4A and 4B, as well as the rerouting systems 5A and 5B.
- the rear edges of the flanges are equipped with vertical rails 24 capable of sliding in complementary slides 14 mounted on the front edges of two vertical support plates 12, 13, which are integral with the plate and which extend downwards from the lower face of the plate.
- the module is assembled to the rods of two compacting cylinders integral with the support plate.
- the compacting cylinders 81 are assembled by their body 81b to the lower face of the plate.
- a first plate 82 called pneumatic connection
- a second pneumatic connection plate 83 is mounted on the upper edges of the two flanges 21, 22.
- the module 2 is moved vertically upwards by sliding the rails 24 in the slides 14, to bring the pneumatic connection plates 82, 83 flat against each other.
- the assembly of the module to the plate is performed by quick locking means 25, such as toggle type latches.
- the connection plates have a plurality of vertical channels coming to stand opposite each other, in a sealed manner, when mounting the module to ensure the pneumatic connection of the various systems of the module, as described below.
- the roller R is rotatably mounted on the lower edges of the flanges, via a quick-mounting system 26, quarter-turn connectors type, with its axis of rotation arranged perpendicularly to the axis of assembly A and rods 85a of cylinders compaction.
- the axis of rotation of the roller, the axis of assembly and the rods compacting compact are arranged substantially in the same plane.
- a fiber feed system 6 for bringing the fibers into two plies according to the guide planes P1 and P2 above.
- the fibers are for example conveyed to the head by flexible tubes as described in the application WO2006092514, each tube receiving a fiber in its internal passage.
- the supply system then consists of a fixing ramp 61 on which are fixed the end portions 62 of flexible tubes staggered, in two rows.
- the ramp is for example fitted on two rods 271 secured to the module 2 and is held fixed by butterfly screws 272 screwed onto said rods.
- the head is provided for placement of a 32-fiber web from two plies of 16 fibers.
- the first guide channels C1 are constituted by longitudinal grooves 313 formed on the first main face 311 of the first outer plate, and closed by the first main face 321 of the central plate. These grooves have a width corresponding substantially to the width of the flat fibers and are spaced transversely from each other by a distance substantially corresponding to the width of a groove.
- the second guide channels C2 are formed by longitudinal grooves 323 formed on the second main face 322 of the central plate, and closed by the first main face 331 of the second outer plate.
- grooves 323 are similar to those of the first plate and transversely offset by a groove width relative to the latter, so that the first and second channels are arranged in staggered rows and the fibers F1 and F2 of the two sheets are substantially arranged edge to edge at the application roller to form the band to be applied. As illustrated in Figures 6 and 10, the intersection between the two guide planes P1, P2 is located downstream of the guide system at the roller.
- Nuts 283 are screwed onto the end of the rods to bear against the second outer plate and clamp the plates against each other, the first plate bearing by its second main face against a first cross member 231:
- the first outer plate and the plate central have centering pads 318a, 328a respectively fitting into complementary recesses 328b, 338b of the plate e central and the second outer plate.
- the first plate also includes recesses 318b for receiving complementary pads of the first cross.
- the module comprises a cutting and locking system for each fiber, each system comprising a flat blade and a blocking stud mounted at the end of the rod of a pneumatic cylinder, as well as a counter-cutting tool and a counter-locking tool arranged opposite the blade and the blocking stud respectively.
- the flat blade 41 is fixedly mounted at the end of the cylindrical rod 42 of the jack 40, and has a beveled cutting edge 411 disposed perpendicularly to the cylinder rod.
- the width of the cutting edge is slightly greater than the width of a guide channel C1, C2, so as to ensure the complete cut of a fiber.
- the blade comprises a distal portion 412 wide which is provided with the cutting edge and which is extended by a proximal mounting portion 413 narrower, by which the blade is mounted in a first longitudinal recess 422 of rectangular section provided on the flat surface of end 421 of the rod.
- the assembly of the blade on the rod is provided by a locking ball 45 disposed in a transverse bore 424 connecting the two housings 422, 423.
- the ball has a diameter greater than the length of the bore and can engage partially in a lumen 414 of the proximal portion of the blade to block the latter.
- a pin 46 is slidably mounted in the second housing between the bottom of the housing and the base of the stud and is resiliently biased in a so-called locking position against the base of the stud by elastic means, for example by a compression spring (not shown) mounted between the bottom of the housing and an annular shoulder 462 of the pin.
- the pin has an outer diameter substantially corresponding to the diameter of the second housing, and has a progressive narrowing of its diameter towards its distal end to form an annular groove 461 in which can be partially received the ball.
- the stud has a longitudinal passage 434 extending over its entire length to be able to insert a tool, such as a metal tip to move the pin against the spring.
- the pin In its blocking position illustrated in Figure 6, the pin holds the ball in the light of the blade to block the latter.
- the pin is moved inside the housing by inserting a tool in the passage 434, to bring the pin supported by its proximal end against the bottom of the housing.
- unblocking position the throat of the pin is positioned opposite the ball. When traction is exerted on the blade, the ball moves towards the groove and thus leaves the light 414 to unlock the blade.
- the pin will also be brought to the release position for mounting a blade.
- First and second cutting and blocking systems are intended for cutting and blocking respectively the first layer of fibers and the second layer of fibers.
- the cylinders 40 of the first cutting and locking systems 4A are fixed by their body 40a to a second cross member 232 in a first transverse row 231.
- the rods 41 of the cylinders pass through the first crosspiece, each rod being guided in a bore 231a of this first cross.
- the first plate of the guide system comprises a transverse slot 314, traversing the plate from one side and disposed perpendicularly to the grooves 313, for the passage of the blades of all the first cutting and blocking systems.
- the cylinders are arranged side by side so that the rods are centered along the first channels C1, substantially perpendicularly to the first guide plane P1.
- the first plate further has on its second main face a row of cylindrical recesses 315 for the passage of the cylinder rods, the bottom of each recess being traversed by the transverse slot 314 and being provided with a circular hole 316 for the passage of the stud, said hole opening on a groove 313 upstream of the slot 314 relative to the direction of movement of the fibers.
- the cutting counter-tools of these first cutting and locking systems 4A are here formed of a transverse bar 47a of elastomer housed in a recess of the first main face 321 of the central plate.
- the blocking counter-tools of these first systems 4A are formed of the same metal bar 48a housed in the same recess as the elastomeric bar, parallel and upstream of the latter.
- the two bars are substantially flush with the first main surface 321 depending on the thickness of the fibers.
- each first cutting and blocking system is able to move its blade and its pad from a rest position shown in Figure 6, to an active position to cut and block a fiber.
- the blade and the pad are arranged in a recess 315, the cutting edge 311 of the blade and the bearing surface 431 of the pad being spaced apart from the guide channel C1.
- the cylinder rod enters the recess 315, the blade passes through the slot 314 and the stud passes through the hole 316 of the recess.
- the blade slightly longer than the blocking stud abuts against the elastomer bar 47a and cuts the fiber, then the stud abuts by its bearing surface against the metal bar 48a and clamps the fiber upstream of the blade .
- the cylinders of the second cutting and locking systems 4B are fixed by their body to a third cross member 233, in a second transverse row disposed above the first row of cylinders of the first system 4A.
- the rods of the cylinders pass through a bore 231b of the first cross member 231, the first plate 31 and the central plate 32, so that their blade and their stud can cut and perpendicularly block the fibers of the second sheet in the second channels C2.
- the first plate 31 of the guide system comprises a transverse row of through holes 317 arranged in staggered relation to the recesses 315, and upstream of the latter relative to the direction of travel of the fibers. These holes open on the second main face between the grooves 313.
- the cutting and blocking counter-tools are formed as previously of an elastomer crossbar 47b and a metal bar 48b, housed this time in a recess of the first main face of the central plate.
- the cylinders of these second cutting and locking systems 4B are fixed so that, in the rest position of the jacks, the rods extend in the holes 317 with the studs and blades in the recesses 325.
- the rod enters the recess 325, the blade passes through the slot 324 and the stud through the hole 326.
- the blade slightly longer than the blocking stud bears against the elastomer bar and cuts the fiber, then the fiber upstream of the blade is pinched between the pad and the metal bar.
- the module includes first 5A rerouting systems for rerouting the fibers of the first web.
- these first systems comprise a drive roller 51a and counter rollers 52 mounted at the ends of the pneumatic cylinder rods 54.
- the second rerouting systems comprise cylinders assembled by their body in a row on a fourth cross member 234 upstream of the first rerouting systems 5A with their counter-rollers arranged in a transverse opening 329 through the central plate, each against-roller being centered along a second channel C2.
- the first outer plate has a shorter length than the other two plates and said opening 328 is formed in a portion of the central plate, of reduced thickness, disposed upstream of the first outer plate.
- the support systems 55 of the counter-rollers on the cylinder rod laterally have notches 55a to allow the passages of the fibers of the first web.
- a roller 51b is rotatably mounted in a transverse bore of the second outer plate 33, tangential to said main surface.
- the two drive rollers are rotated via a belt 84 by a single motor 85 mounted on the plate 10.
- the tension of the belt 84 is adjusted by a system belt tensioning device comprising a pulley 861 mounted at the end of a pivoting arm 862 actuated by a jack 863.
- the operating cylinders of the cutting and guiding systems and the rerouting systems are connected to pneumatic distributors 87 mounted on the plate and controlled by a control unit of the head. This connection is made automatically via the two connection plates 82, 83 during assembly of the module on the plate by the quick locking systems 25. All actuating cylinders are connected by pipes (not shown) at the lower openings of the conduits of the second connection plate 83, while the outlets of the distributors are connected by pipes to the upper openings of the ducts of the first connection plate 82. O-rings at the lower openings of the ducts of the first connection plate will guarantee the tightness of the connections.
- the head further comprises a thermal regulation system 7 comprising cooling means, such as thermoelectric modules with Peltier effect, for cooling the guidance system 4, and heating means for heating the fibers out of the guide system and / or the draper mold upstream of the roller.
- cooling means such as thermoelectric modules with Peltier effect
- the control system comprises a support 71 in U whose two branches 711 are connected at the end by a support plate 72 on which are mounted thermoelectric modules Peltier effect 73, for example three in number.
- the U-shaped support is equipped at its base 712 with two axes 713 for its pivoting mounting by means of two arms 74 on the ramp of the supply system 6, so that the cold ceramic plates of the modules are arranged vis-à-vis the second outer plate 33, as shown in particular in Figure 5.
- the outputs 73a of the modules will be connected to an electrical circuit, and the modules are covered with a protective plate 75 housed in a recess 336 of the second main surface 332 of the second outer plate.
- the modules provide cooling of the metal plates, as well as that of the drive rollers 51a, 51b integrated in the central plate and the outer plate.
- the lower threaded rods 282 are advantageously received in lateral notches 751 of the protection plate and the nuts 283 are screwed onto these rods to bear against the protection plate, and thus tighten the protection plate against the guide system.
- the heating means comprise two ducts 76 mounted on the support, equipped with a heating system 77, and intended to be connected to a source of compressed air.
- the two ducts supply a hot air blast nozzle 78 disposed against the support plate 72, opposite the Peltier effect modules. When the support bears against the guiding system, the nozzle directs the flow of hot air towards the roller.
- the support plate advantageously serves as a heat sink for dissipating heat from the hot ceramic plates.
- the support plate has on its face opposite the modules a plurality of parallel grooves 721 opening on its front edge and interconnected by a transverse groove 722. These grooves 271, 272 are closed by an intermediate plate 79, and the transverse groove is fed at the fresh air end by transverse channels 723 intended to be connected via connections 724 to a source of compressed air.
- the module 2 integrates all the elements of the head coming into contact with the fibers.
- the module can easily be disassembled for cleaning, without touching the pneumatic connections of the cylinders, after simply clearing the belt from the drive rollers, and possibly removing the fiber feed and control systems. thermal, in the case where it is desired to use the head with another clean module.
- the guiding system plates can be removed one by one to clean all surfaces in contact with the fibers and rollers, and possibly to change the counter-tools. After removing the plates, the counter rollers, the pads and the blades are easily accessible and can easily be cleaned. The blades can also easily be changed as described above.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Robotics (AREA)
- Treatment Of Fiber Materials (AREA)
- Moulding By Coating Moulds (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0808643-5A BRPI0808643A2 (pt) | 2007-03-06 | 2008-03-03 | Cabeça de aplicação de fibras com sistemas de corte e bloqueio de fibras particulares |
CA002676938A CA2676938A1 (fr) | 2007-03-06 | 2008-03-03 | Tete d'application de fibres avec systemes de coupe et de blocage de fibres particuliers |
EP08775619.3A EP2121289B1 (fr) | 2007-03-06 | 2008-03-03 | Tete d'application de fibres avec systemes individuels de coupe et de blocage de fibres |
JP2009552244A JP2010522099A (ja) | 2007-03-06 | 2008-03-03 | 特殊な繊維切断および制止システムを有する繊維貼付ヘッド |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0701627 | 2007-03-06 | ||
FR0701627A FR2913366B1 (fr) | 2007-03-06 | 2007-03-06 | Tete d'application de fibres avec systemes de coupe et de blocage de fibres particuliers |
Publications (2)
Publication Number | Publication Date |
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WO2008132301A2 true WO2008132301A2 (fr) | 2008-11-06 |
WO2008132301A3 WO2008132301A3 (fr) | 2008-12-24 |
Family
ID=38601760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2008/000276 WO2008132301A2 (fr) | 2007-03-06 | 2008-03-03 | Tete d'application de fibres avec systemes de coupe et de blocage de fibres particuliers |
Country Status (10)
Country | Link |
---|---|
US (1) | US20080216961A1 (fr) |
EP (1) | EP2121289B1 (fr) |
JP (1) | JP2010522099A (fr) |
KR (1) | KR20100015405A (fr) |
CN (1) | CN101657319A (fr) |
BR (1) | BRPI0808643A2 (fr) |
CA (1) | CA2676938A1 (fr) |
FR (1) | FR2913366B1 (fr) |
RU (1) | RU2009136685A (fr) |
WO (1) | WO2008132301A2 (fr) |
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WO2019102081A1 (fr) | 2017-11-27 | 2019-05-31 | Coriolis Group | Tête d'application comprenant un système de coupe a deux lames mobiles |
WO2019102083A1 (fr) | 2017-11-27 | 2019-05-31 | Coriolis Group | Tête d'application comprenant un système de blocage a deux mors mobiles |
WO2019102084A1 (fr) | 2017-11-27 | 2019-05-31 | Coriolis Group | Tete d'application comprenant un systeme de coupe et un systeme de blocage mobiles |
WO2019102082A1 (fr) | 2017-11-27 | 2019-05-31 | Coriolis Group | Tête d'application comprenant un système de coupe a commande intègre en translation et en rotation |
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FR2882681B1 (fr) * | 2005-03-03 | 2009-11-20 | Coriolis Composites | Tete d'application de fibres et machine correspondante |
FR2912680B1 (fr) * | 2007-02-21 | 2009-04-24 | Coriolis Composites Sa | Procede et dispositif de fabrication de pieces en materiau composite, en particulier de troncons de fuselage d'avion |
FR2912953B1 (fr) * | 2007-02-28 | 2009-04-17 | Coriolis Composites Sa | Machine d'application de fibres avec tubes flexibles d'acheminement de fibres |
FR2913365B1 (fr) * | 2007-03-06 | 2013-07-26 | Coriolis Composites Attn Olivier Bouroullec | Tete d'application de fibres avec systemes de coupe de fibres particuliers |
FR2940175B1 (fr) * | 2008-12-19 | 2013-04-12 | Hexcel Reinforcements | Tete pour l'application de fils de renfort sur une surface de depose |
FR2943943A1 (fr) * | 2009-04-02 | 2010-10-08 | Coriolis Composites | Procede et machine pour l'application d'une bande de fibres sur des surfaces convexes et/ou avec aretes |
FR2948058B1 (fr) * | 2009-07-17 | 2011-07-22 | Coriolis Composites | Machine d'application de fibres comprenant un rouleau de compactage souple avec systeme de regulation thermique |
FR2948059B1 (fr) * | 2009-07-17 | 2011-08-05 | Coriolis Composites | Machine d'application de fibres avec rouleau de compactage transparent au rayonnement du systeme de chauffage |
DE102009049668A1 (de) * | 2009-10-16 | 2011-04-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Ablegekopf und Verfahren zum gesteuerten Ablegen von abgelenkten Fasersträngen |
FR2972672B1 (fr) | 2011-03-18 | 2013-03-15 | Coriolis Composites Attn Olivier Bouroullec | Machine d'application de fibres avec systeme de securite |
DE102011112125A1 (de) | 2011-09-02 | 2013-03-07 | Brötje-Automation GmbH | Vorrichtung zum Verlegen einer Materialbahn |
CN103072288B (zh) * | 2013-01-11 | 2015-05-27 | 西安交通大学 | 一种具有插接式组合输送机构的纤维铺放头装置 |
US9193140B2 (en) * | 2013-03-15 | 2015-11-24 | Composite Technology & Applications Limited | Composite material lay-up equipment |
US9149949B2 (en) | 2013-03-15 | 2015-10-06 | Composite Technology & Applications Limited | Cutting mechanism |
CN103660316B (zh) * | 2013-12-30 | 2016-05-18 | 中国科学院自动化研究所 | 一种集成导向和压止的一体化复合材料剪切装置 |
CN103741240B (zh) * | 2014-01-20 | 2015-12-30 | 中国科学院自动化研究所 | 一种具有气浮减摩功能的复合材料纤维双向导向合束装置 |
FR3034338B1 (fr) | 2015-04-01 | 2017-04-21 | Coriolis Composites | Tete d'application de fibres avec rouleau d'application particulier |
FR3048373B1 (fr) | 2016-03-07 | 2018-05-18 | Coriolis Group | Procede de realisation de preformes avec application d'un liant sur fibre seche et machine correspondante |
FR3056438B1 (fr) | 2016-09-27 | 2019-11-01 | Coriolis Group | Procede de realisation de pieces en materiau composite par impregnation d'une preforme particuliere. |
WO2018087565A1 (fr) * | 2016-11-11 | 2018-05-17 | Rolls-Royce Plc | Équipement de superposition de matériau composite |
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CN113840718A (zh) * | 2019-06-14 | 2021-12-24 | 法孚机械加工系统股份有限公司 | 模块化纤维放置头 |
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2007
- 2007-03-06 FR FR0701627A patent/FR2913366B1/fr not_active Expired - Fee Related
- 2007-04-25 US US11/740,060 patent/US20080216961A1/en not_active Abandoned
-
2008
- 2008-03-03 RU RU2009136685/05A patent/RU2009136685A/ru unknown
- 2008-03-03 CA CA002676938A patent/CA2676938A1/fr not_active Abandoned
- 2008-03-03 EP EP08775619.3A patent/EP2121289B1/fr active Active
- 2008-03-03 JP JP2009552244A patent/JP2010522099A/ja active Pending
- 2008-03-03 CN CN200880007054A patent/CN101657319A/zh active Pending
- 2008-03-03 KR KR1020097020884A patent/KR20100015405A/ko not_active Application Discontinuation
- 2008-03-03 WO PCT/FR2008/000276 patent/WO2008132301A2/fr active Application Filing
- 2008-03-03 BR BRPI0808643-5A patent/BRPI0808643A2/pt not_active IP Right Cessation
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019102081A1 (fr) | 2017-11-27 | 2019-05-31 | Coriolis Group | Tête d'application comprenant un système de coupe a deux lames mobiles |
WO2019102083A1 (fr) | 2017-11-27 | 2019-05-31 | Coriolis Group | Tête d'application comprenant un système de blocage a deux mors mobiles |
WO2019102084A1 (fr) | 2017-11-27 | 2019-05-31 | Coriolis Group | Tete d'application comprenant un systeme de coupe et un systeme de blocage mobiles |
WO2019102082A1 (fr) | 2017-11-27 | 2019-05-31 | Coriolis Group | Tête d'application comprenant un système de coupe a commande intègre en translation et en rotation |
US11230071B2 (en) | 2017-11-27 | 2022-01-25 | Coriolis Group | Application head comprising movable cutting system and clamping system |
US11230070B2 (en) | 2017-11-27 | 2022-01-25 | Coriolis Group | Application head comprising a cutting system with integrated control in translation and in rotation |
Also Published As
Publication number | Publication date |
---|---|
CN101657319A (zh) | 2010-02-24 |
FR2913366B1 (fr) | 2009-05-01 |
WO2008132301A3 (fr) | 2008-12-24 |
JP2010522099A (ja) | 2010-07-01 |
US20080216961A1 (en) | 2008-09-11 |
EP2121289A2 (fr) | 2009-11-25 |
FR2913366A1 (fr) | 2008-09-12 |
BRPI0808643A2 (pt) | 2014-08-12 |
EP2121289B1 (fr) | 2014-05-07 |
CA2676938A1 (fr) | 2008-11-06 |
RU2009136685A (ru) | 2011-04-20 |
KR20100015405A (ko) | 2010-02-12 |
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