EP1289710A1 - Dispositif de montage et demontage pour une piece de machine, et aiguilleteuse ainsi equipee - Google Patents
Dispositif de montage et demontage pour une piece de machine, et aiguilleteuse ainsi equipeeInfo
- Publication number
- EP1289710A1 EP1289710A1 EP01923774A EP01923774A EP1289710A1 EP 1289710 A1 EP1289710 A1 EP 1289710A1 EP 01923774 A EP01923774 A EP 01923774A EP 01923774 A EP01923774 A EP 01923774A EP 1289710 A1 EP1289710 A1 EP 1289710A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- face
- plate
- machine
- pressers
- disassembly
- 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- Withdrawn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
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H18/00—Needling machines
- D04H18/02—Needling machines with needles
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H18/00—Needling machines
Definitions
- the present invention relates to a quick assembly and disassembly device for a machine part, in particular but not limited to a plate-shaped part.
- the present invention also relates to a needling machine thus equipped for the rapid assembly and disassembly of plates such as the strippers and / or the needling table, with a view to cleaning them in a reduced time.
- Certain machine parts require precise positioning when they are in service in the machine, but require more or less frequent disassembly for reasons of maintenance, replacement or cleaning. These disassembly and reassembly operations require stopping the machine. It is therefore particularly important to reduce the duration.
- a needling machine conventionally comprises a set of parallel needles actuated back and forth in their longitudinal direction to penetrate repeatedly through a sheet of fibers so as to consolidate the sheet by intertwining the fibers that compose it.
- the path of the fibers in the working area of the needles is conventionally defined between two plates pierced with orifices for the passage of the needles.
- the plate on the side where the needles are when they are in the withdrawn position is called
- needle It is used to prevent the web of fibers from being driven by the needles in their return movement towards the withdrawal position.
- the other plate, used to prevent the sheet of fibers from being pushed by the tips of the needles, is called “needling table”. These two plates need to be periodically disassembled so that the orifices for passing the needles can be freed of fibers and other materials which manage to become housed therein in increasing quantity during operation.
- the object of the present invention is to provide an assembly and disassembly device which makes it possible to considerably reduce this duration, as well as a needling machine, the plates of which such as a stripper and / or needling table are equipped with this device so as to provide improved productivity.
- the quick assembly and disassembly device for positioning a machine part in a service position against support means provided on the machine, and selectively releasing this part to allow mobility, is characterized in that it comprises: - guide means allowing the insertion and the extraction of the part in and respectively out of the machine;
- the pressers can be actuated simultaneously to cause the machine part to pass from its service position to the preparatory position ensuring interaction with the guide means. Then simply move the machine part along the path defined by the guide means to extract the machine part and be able to perform the necessary replacement or maintenance operation.
- the guide means allow the part to be brought back to the preparatory position.
- the pushers are simultaneously actuated in the direction returning the part to the service position.
- locking means are also provided to stabilize the part in the service position.
- the needling machine comprising:
- At least one set of needles carried by a movable beam connected to an actuation mechanism for moving the needles back and forth across the path and through the orifices of the plate is characterized in that it comprises in addition to at least one device for rapid assembly and disassembly of the plate according to the first aspect.
- FIG. 1 is a schematic elevational view, partly in section, of a needling machine according to the invention
- FIG. 2 is a partial perspective view, with parts broken away, showing the means of mounting and dismounting the stripper, -
- Figures 3 and 4 are sectional views, on an enlarged scale, showing the device for mounting and dismounting on one side of the stripper and the needling table, in the state of maintenance of the stripper and the table in service position ( Figure 3) and respectively in the state making them cooperate with the guide means (Figure 4); and
- FIG. 5 is an end view, partially in section, illustrating locking means.
- the needling machine shown in FIG. 1 comprises a generally horizontal perforated table 101 and a retaining plate 1, also called “stripper", placed approximately parallel to a certain distance above the table 101.
- the stripper 1 and the table 101 define between them a path in a substantially horizontal plane for a sheet of fibers 3.
- the stripper 1 comprises aligned perforations -4- with those of table 101.
- introducer means 4 shown diagrammatically in the form of a pair of motor rollers between which the ply 3 passes.
- extractor means 6 also shown diagrammatically by two motor rollers between which the web passes.
- the stripper 1 is placed between the path of the ply 3 and a needle board 7.
- the board 7 carries on the side of the stripper 1 a large number of needles 8 oriented perpendicular to the plane of the path of the ply 3, with their point directed towards the ply 3.
- Each needle is positioned opposite a perforation of the stripper 1 and a corresponding perforation of the table 101.
- the needle board 7 is fixed to a support beam 9 itself even fixed to the end of at least one rod 11 slidingly mounted along an axis 12, parallel to the needles 8 and perpendicular to the plane of the path of the web 3. If several rods 11 are provided, these are for example aligned one behind the other when viewed as shown in FIG. 1.
- each sliding rod 11 is guided in two co-axial sliding bearings 13 and 14, axially spaced, integral with a frame 16 which is only partially shown.
- the bearings 13 and 14 include anti-friction rings 17 for contact with the rod 11.
- the movable assembly consisting of the sliding rod (s) 11, the support beam 9 and the board 7 is driven in service by an alternating movement back and forth in the direction 12 between a position 7a in which the end of the needles, designated in this case by 8a, passes through the stripper 1, the ply 3 and the table 101, and a release position shown in solid lines, in which the needles 8 are completely released at least from the table 101 and the ply 3, and preferably from the stripper 1.
- the rod 11 is articulated by a -5- articulation 18 at one end of a connecting rod 19, the other end of which is connected by a articulation 21 to a crankshaft 22 driven in rotation by not shown drive means.
- the stripper 1 and the table 101 are detachably fixed to an upper part 24 and respectively to a lower part 124 of the frame 16.
- FIG. 2 shows by way of example the stripper 1, of which only a few orifices 26 have been illustrated. for the passage of needles 8 (not visible in Figure 2).
- the stripper 1 On its face opposite the path of the ply 3, the stripper 1 carries two parallel rails 27 which extend along two opposite edges 28 transverse to the direction of progression of the ply 3 through the needle loom.
- the rails 27 have an L-shaped section with a proximal wing 29 extending vertically and perpendicular to the main plane of the stripper 1 from its rear face, and a distal wing 31 extending parallel to the rear face of the stripper 1 and towards the exterior from the free end of the proximal wing 29.
- the distal wing 31 has a planar upper face 32 forming a bearing and positioning face against a reference face 33 constituted by the planar lower face d 'a cross member 34 secured to the upper part 24 of the frame 16.
- the bearing face 32 of the rails 27 is firmly applied against the reference face 33 by pressing levers 37 each belonging to a quick assembly and disassembly module 38 carried by the outer face 39 of the cross member 34.
- each cross member 34 carries modules 38 aligned almost without gap between them over substantially its entire length.
- Each module 38 has a body 40 having substantially a U-shaped profile, the two ends 41 of which are fixed against the face 39 by screws 42.
- the module body is - 6 - extended downwards beyond the edge 44 of the distal wing 31 of the rail 27 to form two ears 46 supporting a shaft 47, common to the two ears 46 and parallel to the rail 27.
- the shaft 47 crosses the lever presser 37 and supports it in pivoting about a pivot axis 48. (see also Figure 3).
- the lever 37 is produced in the form of a lever bent substantially at 90 ° comprising a pressing arm 49 and an actuating arm 51.
- the pressing arm 49 extends towards the proximal wing 29 of the rail 27 passing under the distal wing 31 and includes a pressing face 52 capable of pressing against the lower face 53 of the distal wing 31 to press the distal wing 31 in abutment of its upper face 32 against the reference face 33 of the crosspiece 34
- the region of the lever 37 surrounding the shaft 47 and forming the pressing arm 49 is located between the two ears 46 (see FIG. 2).
- the actuating arm 51 extends upwards and ends in a pallet 54 extending parallel to the rail 27 in the recess 56 defined by the U-shaped profile of the body 40 of the module 38.
- the ends of the pallet 54 are substantially in the plane of each lateral face 43 of the body 40 Thus, from one module 38 to another, the levers 37 succeed one another substantially without discontinuity along the pallets 54
- Each lug 46 rotatably supports a roller 58 along an axis 59 which is horizontal and perpendicular to the transverse edges 28 of the stripper 1.
- a clearance h (FIG. 3), for example 1 mm, between the rollers 58 and the lower face 53 of the distal wing 31. From the pressing position shown in FIG. 3, the lever 37 can pivot around the axis 48 to a release position shown in FIG.
- the pressing face 52 moves downwards and lets the stripper 1 descend by approximately 1 mm to rest on the rollers 58, the clearance h therefore being formed between the upper face 32 of the distal wing 31 and the reference face 33 -7- of the cross member 34.
- the pressing face 52 of the lever 37 is no longer in contact with the rail 27.
- the stripper 1 is then in a preparatory position from which it can be extracted from the needling machine by a simple traction parallel to the transverse direction of one needling machine, so as to roll the surface 53, forming a rolling surface, of the distal wing 31 on the rollers 58 of the modules 38 aligned.
- the quick assembly and disassembly device also comprises means for simultaneously actuating all the levers 37 associated with the two transverse edges of the stripper 1.
- These means comprise two pneumatic sheaths 59, 61, along each row of modules 38.
- the sheath 59 extends between an actuating face 55 of the pallets 54 of the levers 37 and the outer lateral face 39, forming a bearing face in reaction.
- the sheath 61 extends between an opposite actuating face 60 of said pallets 54 and a reaction bearing face formed by the bottom 57 of the recesses 56 of the modules 38.
- FIG. 2 illustrates a possible arrangement at the end of the sheaths 59 and 61 in the vicinity of one of the ends of the cross-member 34.
- the sheaths 59 and 61 are simple tubes cut to length, made of waterproof synthetic material reinforced with fibers .
- the cut end of the sheath 59 is closed off by being flattened against the outer face 39 of the cross-member 34 by a clamping plate 62.
- the cut end of the sheath 61 is closed off by being flattened by a clamping plate 63 against the top of a - 8 - bridge-shaped part 64 which overlaps the sheath 59.
- Two end tabs of the part 64 are fixed against the lateral face 39 on either side of the sheath 59.
- FIG. 2 also shows the connection d supply 66 of the sheath 59 and the supply connector 67 of the sheath 61.
- the forces undergone in service by the stripper 1 are mainly directed upwards since the function of the stripper 1 is to prevent the textile web from following the needles 8 during their withdrawal movement. These efforts are supported by the reference face 33 of the cross member 34.
- the levers 37 therefore have at most to provide a stabilization effort, for example with respect to vibrations, but do not have to maintain the stripper 1 at 1 against its main operating constraint.
- the sheath 59 remains under pneumatic pressure. In any case, many modern needling machines require pneumatic supply for various functional members such as inflatable tee seals or even pressure cylinders for the rollers of the supply 4 and extraction 6 devices of the ply 3.
- each module 138 has only one roller 158 carried - 9 - in a rotary manner by the lever 137 to cooperate with a rolling surface formed by the bearing face 132 of the rail 127 (instead of two rollers in a fixed position 58 cooperating with the other face 53 of the rail 27 in the case of the stripper 1).
- the rollers must support the weight of the part (table 101 or stripper 1) to be handled, and the weight is always exerted downwards regardless of the direction of the main service effort.
- each lever 137 thus form a sort of fork receiving with a certain clearance the distal wing 131 of the rail 127.
- the pressing arm 149 In the pressing position, the pressing arm 149 is supported on the wing 131 and there is a clearance between the roller 158 and the bearing face 132 ( Figure 3).
- the levers 137 can only assume the release position against the weight of the table 101 and it would therefore not be sufficient to simply let them deflate the sheath 159 to ensure this position.
- the spindle has a cylindrical part 76, 176 positioning itself precisely in a smooth entry, -10- of corresponding diameter, of the bore formed in the cross-member 34, 134
- the pins 71, 171 guarantee precise positioning of the stripper 1 and the table 101 in the service position in the transverse direction of the needling machine. As the pins 71, 171 are at the end of the rail, therefore close to one side of the needling machine, it is very quick to extract them before passing the levers 37, 137 into the release position and then to extract the stripper 1 or table 101 respectively.
- all means guide may be provided, for example a shoulder 77 ( Figure 4) provided on the bearing face 53 of the rail 27 to cooperate with the peripheral edge of one of the end faces of the rollers 58, or even a shoulder 177 carried by the rail 127 and cooperating with the internal face 178 of the cross-member 134.
- the rapid assembly and disassembly device could only equip the stripper 1 or the table 101.
- the invention is in particular applicable to so-called "velvet" needling machines in which the needling table is replaced by an endless circulating brush, in which case only the stripper can be assembled and disassembled as described under the present invention
- the invention is also applicable to double impact needling machines, where the textile sheet is needled by its two faces, between two plates which each have a stripper function, to which may be added a needling table function for needles coming from the opposite side
- the invention is also applicable to needling carried out only from the bottom -11- or again or again to needling performed on a textile sheet moving in a non-horizontal plane, for example in a vertical plane by means of needles driven in a horizontal movement back and forth, through plates arranged in vertical planes.
- pressers are not necessarily made in the form of levers, they could for example be constituted in the manner of sliding jacks, actuated by a piston or by an inflatable sheath system of the kind which has been described above. They could also be grouped mechanically to be connected all together to a single actuation means common to several pressers.
- the inflatable sheaths could also be replaced by actuating bars extending parallel to the rail and carrying cams arranged to actuate the pressure levers simultaneously.
- FIG. 1 shows in the example of the modules 138 that the modules can be fixed to the frame 124 by their face opposite to the cross-member 134 with which the rail 127 cooperates.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Looms (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0004665 | 2000-04-11 | ||
FR0004665A FR2807354B1 (fr) | 2000-04-11 | 2000-04-11 | Dispositif de montage et demontage pour une piece de machine, et aiguilleteuse ainsi equipee. |
PCT/FR2001/001086 WO2001076812A1 (fr) | 2000-04-11 | 2001-04-10 | Dispositif de montage et demontage pour une piece de machine, et aiguilleteuse ainsi equipee |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1289710A1 true EP1289710A1 (fr) | 2003-03-12 |
Family
ID=8849148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01923774A Withdrawn EP1289710A1 (fr) | 2000-04-11 | 2001-04-10 | Dispositif de montage et demontage pour une piece de machine, et aiguilleteuse ainsi equipee |
Country Status (5)
Country | Link |
---|---|
US (1) | US6735836B2 (fr) |
EP (1) | EP1289710A1 (fr) |
AU (1) | AU2001250465A1 (fr) |
FR (1) | FR2807354B1 (fr) |
WO (1) | WO2001076812A1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT409868B (de) * | 2001-06-12 | 2002-12-27 | Fehrer Textilmasch | Vorrichtung zum nadeln eines vlieses |
AT411175B (de) * | 2001-07-02 | 2003-10-27 | Fehrer Monika Mag | Verfahren zum behandeln eines garnes durch ein nadeln |
AT411601B (de) * | 2002-09-12 | 2004-03-25 | Fehrer Monika Mag | Vorrichtung zum nadeln wenigstens eines garnes |
AT412162B (de) * | 2002-10-07 | 2004-10-25 | Fehrer Textilmasch | Vorrichtung zum nadeln eines vlieses |
FR2862988B1 (fr) | 2003-11-28 | 2007-11-09 | Fehrer Textilmasch | Dispositif d'aiguilletage d'un matelas de fibres |
WO2005059225A1 (fr) * | 2003-12-08 | 2005-06-30 | Messier-Bugatti | Procede de production d'une preforme fibreuse |
CN100465365C (zh) * | 2003-12-12 | 2009-03-04 | 恩斯特·费尔里尔纺织机械厂股份公司 | 一种用于对无纺材料进行针刺的设备 |
US7523532B2 (en) * | 2006-04-10 | 2009-04-28 | Federal Mogul World Wide, Inc. | Non-woven self-wrapping acoustic sleeve and method of construction thereof |
CN101775709B (zh) * | 2010-02-05 | 2012-05-30 | 太仓东西制辊有限公司 | 无纺布针刺机针板的再制造方法 |
CN102136437B (zh) * | 2011-02-12 | 2012-07-25 | 南通富士通微电子股份有限公司 | 键合机防沉锁紧装置 |
CN102505358B (zh) * | 2011-11-09 | 2015-02-25 | 杨长辉 | 一种立体提花针刺机 |
CN116121958B (zh) * | 2023-01-10 | 2023-10-03 | 江苏润众环保材料有限公司 | Ptfe滤袋制备用纤维铺叠针刺设备及其使用方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1650818A (en) * | 1926-11-29 | 1927-11-29 | Weaver Mfg Co | Press bolster adjustment |
US3286338A (en) * | 1964-02-04 | 1966-11-22 | Nicholas J Bohr | Method for tensioning sieves |
US3898901A (en) * | 1973-07-27 | 1975-08-12 | Donald D Savage | Log separation system |
US4169412A (en) * | 1978-09-25 | 1979-10-02 | Owatonna Tool Company | Shop press |
US4884324A (en) * | 1988-10-12 | 1989-12-05 | Morrison Berkshire, Inc. | Needle loom having improved needle beam guide system |
JPH0624574Y2 (ja) * | 1988-11-09 | 1994-06-29 | 日本精工株式会社 | クランプ装置付リニアガイド装置 |
AT395323B (de) * | 1991-07-31 | 1992-11-25 | Fehrer Textilmasch | Einrichtung zum wechseln der nadelbretter einer nadelungsvorrichtung fuer vliese |
US5579695A (en) * | 1993-12-10 | 1996-12-03 | Flexible Assembly Equipment Limited | Assembly line system having puck guided pallets and track engaging brake members |
US5509185A (en) * | 1994-06-15 | 1996-04-23 | Petkov; Ilia D. | Needle board stripping press apparatus |
AT402205B (de) * | 1995-10-18 | 1997-03-25 | Fehrer Textilmasch | Vorrichtung zum nadeln eines vlieses |
DE19730532A1 (de) * | 1997-07-16 | 1999-01-21 | Dilo Kg Maschf Oskar | Nadelmaschine |
US6003215A (en) * | 1998-12-01 | 1999-12-21 | Morrison Berkshire, Inc. | Apparatus for replacement of needle boards in a needle loom |
US6145176A (en) * | 1999-05-28 | 2000-11-14 | Morrison Berkshire, Inc. | Apparatus for replacement and alignment of needle boards in a needle loom |
-
2000
- 2000-04-11 FR FR0004665A patent/FR2807354B1/fr not_active Expired - Fee Related
-
2001
- 2001-04-10 WO PCT/FR2001/001086 patent/WO2001076812A1/fr active Application Filing
- 2001-04-10 US US10/257,284 patent/US6735836B2/en not_active Expired - Fee Related
- 2001-04-10 AU AU2001250465A patent/AU2001250465A1/en not_active Abandoned
- 2001-04-10 EP EP01923774A patent/EP1289710A1/fr not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO0176812A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2001076812A1 (fr) | 2001-10-18 |
AU2001250465A1 (en) | 2001-10-23 |
FR2807354A1 (fr) | 2001-10-12 |
FR2807354B1 (fr) | 2002-07-12 |
US6735836B2 (en) | 2004-05-18 |
US20030097740A1 (en) | 2003-05-29 |
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