EP1856313A1 - Anvil wheel comprising a mounted band - Google Patents
Anvil wheel comprising a mounted bandInfo
- Publication number
- EP1856313A1 EP1856313A1 EP06726205A EP06726205A EP1856313A1 EP 1856313 A1 EP1856313 A1 EP 1856313A1 EP 06726205 A EP06726205 A EP 06726205A EP 06726205 A EP06726205 A EP 06726205A EP 1856313 A1 EP1856313 A1 EP 1856313A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bandage
- wheel
- flanges
- anvil
- reported
- 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.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G1/00—Severing continuous filaments or long fibres, e.g. stapling
- D01G1/02—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form
- D01G1/04—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form by cutting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/465—Cutting motion of tool has component in direction of moving work
- Y10T83/4766—Orbital motion of cutting blade
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/465—Cutting motion of tool has component in direction of moving work
- Y10T83/4766—Orbital motion of cutting blade
- Y10T83/4795—Rotary tool
- Y10T83/483—With cooperating rotary cutter or backup
- Y10T83/4838—With anvil backup
- Y10T83/4841—With resilient anvil surface
Definitions
- the present invention relates to the field of the manufacture of cut son high performance material, or son for technical use, including glass son, and more specifically relates to a method for the easy use of a removable elastomeric bandage on the cutting machine.
- a cutting device usually consisting of a "cutting wheel” equipped with a multitude of blades whose relative spacing contributes to cutting the fiber to the desired length and a cutting wheel referred to as “anvil wheel” most often constituted by an elastomeric tire overmolded or attached to a removable rim fixed on the cutting machine.
- the continuous cutting of the fiber is obtained by the high speed rotation of this wheel assembly and the pressurization of the cutting wheel on the anvil wheel by means of a suitable clamping means.
- the quality of the fiber cut is directly related to the ability of the materials in the presence (blades and against an elastomer wheel) to maintain their characteristics (maintenance of the parameters of cutting blades, resistant to abrasion wear and nicks of the anvil wheel).
- the operator then reassembles a new anvil wheel with the respective guide surfaces of the rim and the drive shaft facing each other.
- the guide surfaces consist of cylindrical or even conical bearing surfaces.
- the present invention therefore aims to overcome the disadvantages of the previous techniques by proposing an anvil wheel with improved reported bandage.
- the anvil wheel comprising a rim and an attached peripheral bandage
- the rim comprises at least two flanges clamping the attached tire by clamping, said flanges comprising at their lateral face at least one zone of retention adapted to thwart the expansion of the bandage reported.
- the flanges delimit a first retention zone adapted to induce clamping stresses at the of the reported bandage and secondly a second retention zone adapted to participate in a resumption of efforts consecutive to a rotation of the reported wheel casing
- the first retention zone provides on the one hand, the stressing of a heel portion of the bandage reported to allow the transmission of the torque without relative sliding between the rim and the reported bandage and secondly, the centering, due to the presence of the inclined walls between the bandage reported and the rim.
- the bandage reported comprises on its lateral faces portions in relief, for receiving the complementary profile retention zones, located on the flanges, - the dimensions of the bandage reported in the clamping zone are greater than those complementary defined at the approximation of 2 flanges on the bandage one of the flanges consists of a plurality of parts hinged relative to the other flange, - the hinged parts of the flange perform a movement in
- FIG. 1 is a sectional and exploded view of an anvil wheel according to a first embodiment of the invention
- FIGS. 2 and 3 are sectional views of a second embodiment of the invention, the flanges being respectively close together or separated from one another.
- an anvil wheel 1 according to the invention shown in Figure 1, it comprises a central hub 2, in particular metal, developed from a series of conventional machining from a room molded for example, this hub 2 being provided with a cylindrical seat 3 allowing it to be mounted on a shaft projecting on a cutting machine (not shown in the figure).
- This hub 2 is also provided with a central core 4 connecting with a peripheral portion 5 in a ring. The entire hub
- the central core 4 constitutes a first flange 6.
- a second flange 7 of generally similar shape to the previous so as to conform when the first and second flanges 6.7 are juxtaposed against each other, a rim, in particular metal or aluminum.
- each of the peripheral portions of the first and second flanges define, when juxtaposed, a V-shaped zone 8 adapted to clamp a complementary shaped portion coming from an attached bandage 9, also visible. in this figure 1.
- the flanges are provided at the inclined walls of the V, facing inwards, with a plurality of raised areas constituting retention zones 10,
- a first retention zone 10 which is substantially trapezoidal in shape with a dovetail profile, is formed by the approximation 2 flanges 6, 7 at the proximal portion of the V and traps a heel portion 13 of the bandage reported 9, this heel portion 13 having a shape complementary to the first retention zone 10.
- This first retention zone 10 ensures, on the one hand, the stressing of the heel 13 in order to allow the transmission of the torque without relative sliding between the rim and the attached tire 9 and, on the other hand, the restraint with respect to centrifugal forces experienced by the bandage, due to the presence of the inclined walls of the V, between the bandage reported 9 and the rim.
- the conical zone 11 ensures the coaxial centering of the bandage 9 with respect to the flanges 6, 7.
- a second retention zone 12 is shaped at a distal portion of the V, at the inclined inwardly directed walls and is in the form of a bead (or flange) 14. These beads 14 provide a pinch at the level of a median zone 15 of the tire 9 reported and participate in a resumption of the efforts resulting from a rotation of the wheel reported tire, which under the effect of the centrifugal force could cause a phenomenon of creep of the plastic material constituting the bandage reported in the area.
- the bandage 9 also includes a working area 16 of substantially rectangular cross section and forming a ring. This working area 16 is not subject to clamping constraints but is subjected to compressive stresses resulting from cutting forces from the cutting wheel.
- the two flanges 6, 7 are secured by a plurality of stud 17, uniformly distributed in a diameter, these studs being screwed by any suitable means.
- FIGS 2 and 3 there is shown a second embodiment of the anvil wheel object of the invention.
- This embodiment differs from that illustrated in FIG. 1 by the fact that one of the flanges 7 is articulated with respect to the central hub 2 integral with the other flange 6. This solution is particularly suitable when the anvil wheel has a large jig.
- FIG. 2 shows the two flanges 6, 7 in the close-up position and tightened on the attached tire 9.
- the first flange 6, which is integral with a shaft of the cutting machine is provided at its center with a bore 18, possibly tapped.
- This bore 18 cooperates with a threaded rod 19 on which is reported a sole 20 movable in translation relative to the rod 19 and supporting rods 21, 22 articulated at each of their free end on the one hand at the rod 19 and on the other hand at the points of articulation 23, 24 integral with the second flange 7.
- the second flange is in several parts 7a, 7b hinged around a central hinge 25 positioned on the sole 20.
- the translation of the rod 19 within the bore 18 causes: - a rotational movement of the half flanges 7a, 7b around the hinge 25, the links 21, 22 assist this movement "in wallet” of the half flanges 7a, 7b .
- the dimensions of the tire 9 reported in the clamping zone are greater (of the order of a few tenths of a millimeter) than the complementary ones defined when the two flanges 6, 7 are brought together on the tire 9
- This assembly is particularly effective. Indeed, it can counteract the effects of centrifugal force on the tire when the anvil wheel is rotated on the cutting machine.
- the walls of the retention zones block the natural expansion of the bandage reported which can be subjected to a centrifugal acceleration of the order of 250 g.
- this added bandage makes it possible to transmit a minimum traction torque of at least 15 kg.m, stressed in compression by the cutting wheel at a rate of frequency at most equal to 25 Hz.
- the latter is based on a plastic material of the type for example a polyurethane elastomer obtained by the crosslinking of a diisocyanate + glycol system.
- TDI toluene diisoyianate
- MDI diphenylmethane diisocyanate
- NDI nitro diisocyanate
- the hardnesses used extend in a range between 80 and 95 ShA, this bandage being made by molding. It is a single piece in a crown and has on each of its blanks raised areas adapted to receive the retention zones from the flanges.
- This design makes it possible to produce an anvil wheel of large diameter, the limitation due to the increase in mass is no longer a brake and the manipulations during the maintenance phases are facilitated and can be performed by a single operator.
- This anvil wheel is intended to be used on a cutting machine intended for the manufacture of cut yarns for technical use, in particular yarns made of thermoplastic material and in particular glass yarns, said machine comprising a three-dimensional chassis having three or more sides, at least one cutter assembly integral with one of the sides of said frame, said cutter assembly being provided with said anvil wheel and a cutting wheel.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0550619A FR2883009B1 (en) | 2005-03-09 | 2005-03-09 | WHEEL ENCLUME WITH REPORTED BANDAGE |
PCT/FR2006/050181 WO2006095105A1 (en) | 2005-03-09 | 2006-03-01 | Anvil wheel comprising a mounted band |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1856313A1 true EP1856313A1 (en) | 2007-11-21 |
Family
ID=35134511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06726205A Withdrawn EP1856313A1 (en) | 2005-03-09 | 2006-03-01 | Anvil wheel comprising a mounted band |
Country Status (9)
Country | Link |
---|---|
US (1) | US20080210071A1 (en) |
EP (1) | EP1856313A1 (en) |
JP (1) | JP2008532779A (en) |
KR (1) | KR20070110340A (en) |
CN (1) | CN101166854A (en) |
CA (1) | CA2600235A1 (en) |
FR (1) | FR2883009B1 (en) |
RU (1) | RU2007137132A (en) |
WO (1) | WO2006095105A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8573103B2 (en) * | 2006-01-11 | 2013-11-05 | Johns Manville | Fiber chopper |
WO2017127254A1 (en) * | 2016-01-19 | 2017-07-27 | OCV Intellectual Capital , LLC | Chopper assembly for and method of manufacturing chopped fibers |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4045196A (en) * | 1976-10-06 | 1977-08-30 | Ppg Industries, Inc. | Method and apparatus for chopping glass strands |
US6619573B2 (en) * | 2001-08-22 | 2003-09-16 | Johns Manville International, Inc. | Chopper for cutting fiber continuously, and method |
US6758121B2 (en) * | 2001-09-25 | 2004-07-06 | Neumag Gmbh & Co. Kg | Device for cutting a fiber cable |
-
2005
- 2005-03-09 FR FR0550619A patent/FR2883009B1/en not_active Expired - Fee Related
-
2006
- 2006-03-01 EP EP06726205A patent/EP1856313A1/en not_active Withdrawn
- 2006-03-01 KR KR1020077020574A patent/KR20070110340A/en not_active Application Discontinuation
- 2006-03-01 CN CNA2006800073769A patent/CN101166854A/en active Pending
- 2006-03-01 CA CA 2600235 patent/CA2600235A1/en not_active Abandoned
- 2006-03-01 US US11/817,912 patent/US20080210071A1/en not_active Abandoned
- 2006-03-01 RU RU2007137132/12A patent/RU2007137132A/en unknown
- 2006-03-01 JP JP2008500239A patent/JP2008532779A/en active Pending
- 2006-03-01 WO PCT/FR2006/050181 patent/WO2006095105A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2006095105A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN101166854A (en) | 2008-04-23 |
JP2008532779A (en) | 2008-08-21 |
FR2883009A1 (en) | 2006-09-15 |
CA2600235A1 (en) | 2006-09-14 |
KR20070110340A (en) | 2007-11-16 |
FR2883009B1 (en) | 2007-04-13 |
RU2007137132A (en) | 2009-04-20 |
WO2006095105A1 (en) | 2006-09-14 |
US20080210071A1 (en) | 2008-09-04 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 20070823 |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: NAULET, CHRISTOPHE Inventor name: FONT, DOMINIQUE Inventor name: OUDART, MICHEL Inventor name: VOLLET, JEROME |
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DAX | Request for extension of the european patent (deleted) | ||
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20090910 |