EP3385414B1 - Apparatus and method for transporting bobbins and tubes between roving frame and spinning frame of a spinning line - Google Patents
Apparatus and method for transporting bobbins and tubes between roving frame and spinning frame of a spinning line Download PDFInfo
- Publication number
- EP3385414B1 EP3385414B1 EP18164532.6A EP18164532A EP3385414B1 EP 3385414 B1 EP3385414 B1 EP 3385414B1 EP 18164532 A EP18164532 A EP 18164532A EP 3385414 B1 EP3385414 B1 EP 3385414B1
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- EP
- European Patent Office
- Prior art keywords
- tubes
- rail
- bobbins
- distance
- spinning
- 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.)
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- 238000009987 spinning Methods 0.000 title claims description 35
- 238000000034 method Methods 0.000 title claims description 11
- 238000004140 cleaning Methods 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 9
- 230000001419 dependent effect Effects 0.000 claims description 2
- 230000009049 secondary transport Effects 0.000 claims 4
- 230000032258 transport Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/18—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for supplying bobbins, cores, receptacles, or completed packages to, or transporting from, paying-out or take-up stations ; Arrangements to prevent unwinding of roving from roving bobbins
- D01H9/182—Overhead conveying devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
- B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
- B65H67/068—Supplying or transporting empty cores
Definitions
- the present invention relates to an apparatus of a spinning line and a method for transporting bobbins and tubes between a roving frame and a spinning frame.
- the bobbins formed at the roving frame consisting of a tube on which the roving stretched at the frame is wound, are transported to the spinning frame.
- the bobbins being worked are located, hanging from a loom, from which the rovings to be worked start.
- the bobbins being worked are exhausted, they are replaced by bobbins originating from the roving frame.
- exhausted bobbins consist of the tube completely devoid of roving (defined as “empty tube”) or of the tube provided with some roving residues windings (defined as “dirty tube”).
- the dirty tubes (and sometimes even the empty ones) are cleaned in a special device, usually called "cleaner", which removes the residual roving, thus obtaining empty tubes.
- the empty tubes originating from the cleaner and those collected from the spinning frame are brought back to the frame and replaced here with the bobbins that have been formed in the meantime; the empty tubes may thus be reused to form new bobbins.
- the tendency is to further speed up the performance of such operations, above all because of the tendency of the roving frames and of the spinning frames to foresee an ever increasing number of spindles.
- numeral 1 indicates, overall, a portion of a spinning line comprising a vessels region 2, in which a plurality of vessels 4 is housed, each containing a roving roll, a roving frame 6 adjacent to the vessel region 2, to be fed the roving therefrom, and a plurality of spinning frames 8, for example arranged parallel to one another.
- the frame 6 stretches the roving originating from the vessels 4 and winds it on empty tubes, forming bobbins 10 to be transported to the spinning frame.
- the bobbins 10 are made available to a carrier 20 of the frame 6.
- a transport system comprises a frame side transport device 22, usually called “rail”, adapted to collect the bobbins 10 from the carrier 20 and to move them in suspension, at a predetermined height, generally by means of a main belt 22'.
- the frame side transport device 22 is further adapted to load the carrier 20 with empty tubes 14.
- the roving frame 6, which extends along a frame axis along which working points are distributed successively, provides for a pair of flaps 6a for each working point.
- Each flap 6a is rotating about a vertical axis, to guide the roving in the winding around an empty tube 14, thus forming the spool 10.
- the empty tube 14 is removably inserted on a spindle 6b integral with the spindle moving carrier 20.
- the carrier 20 In a working position ( Figure 2 ), the carrier 20 is arranged at a height adapted to allow the winding of the roving around the tube, so as to produce the spool 10.
- the axes of the spindles carried by the carrier 20 substantially coincide with the axis of the flaps.
- the carrier 20 is lowered, from the raised working position to a lowered retracted position, in which it cooperates with carrier translation means for the horizontal translation of the carrier towards the advanced doffing position below the rail.
- Said horizontal translation means comprise a slide 6c which cooperates with motor means for the horizontal translation of the carrier.
- the carrier 20 moves into the advanced doffing position adapted to allow the cooperation of said carrier 20 with the spool carrying rail 22, to doff the spools from the carrier and/or arrange new empty tubes 14 on said spindles 6b for the formation of new spools.
- the rail 22 is supported by a support and guiding structure 6d, comprising a vertically movable crosspiece 6e.
- the rail 22 is thus vertically movable between a raised position, in which the moving of the spools towards the next processing occurs, and a lowered position adapted to collect the spools from the carrier in the doffing position.
- the frame 6 comprises support and moving means adapted to support said rail and to allow the vertical movement thereof.
- said support and moving means comprise a preferably flat band 6f, connect, at an end, to the crosspiece 6e and wound, at the opposite end, to a rail moving shaft 6g connected to a motor.
- the transport system further comprises a spinning frame side transport device 26 adapted to move the bobbins 10 towards the spinning frames 8 and the dirty tubes 12 (or sometimes empty 14) towards the frame 6.
- the secondary device 26 has a closed ring shape and comprises a track 26' having sections 8' which run parallel to the spinning frames 8, seamlessly.
- the transport system comprises management means, comprising, for example, a PLC or a microprocessor, adapted to command the advancement of the spools along the rail and the advancement of the empty 14 or dirty tubes 12 along the track 26'.
- management means comprising, for example, a PLC or a microprocessor, adapted to command the advancement of the spools along the rail and the advancement of the empty 14 or dirty tubes 12 along the track 26'.
- the spinning line 1 comprises an integrated device 50 adapted to cooperate with the frame side transport device 22 which serves the frame 6 and with the spinning frame side transport device 26 which serves the spinning frames 8, to locally carry out, i.e., in a predetermined area of the transport system, the removal of the dirty tubes 12 from the secondary device 26 and of the bobbins 10 from the primary device 22, possibly the cleaning of the dirty tubes 12 to obtain empty tubes 14, the exchange of the bobbins 10 with the empty tubes 14 and the release of the bobbins 10 to the secondary device 26 and of the empty tubes 14 to the primary device 22.
- the integrated device 50 cooperates with an end section 26" of the track 26' of the secondary device 26 which serves the spinning frames 8 and with an end section 22" of the transport belt 22' of the primary device 22 which serves the frame 6.
- the end section 22" of the belt 22' extends along a direction perpendicular to the end section 26" of the track 26'.
- the integrated device 50 comprises a first support plate 52a and a second support plate 52b, arranged angularly out of phase by 180°, i.e., in diametrically opposed positions.
- Said plates 52a,52b are movable horizontally according to opposing directions along a radial translation direction X, so as to carry the two plates below the end section 22" of the belt 22' and below the end section 26" of the track 26'.
- said integrated device 50 comprises radial translation means adapted to force on command said radial translation to the plates 52a, 52b; preferably, said radial translation means comprise a pair of translation actuators 53, for example, with pneumatic actuation. Alternatively, the actuation is electric or oleodynamic.
- Each plate 52a, 52b is provided with a plurality of tube supports, for example, a pair of tube supports 54a',54a" and 54b',54b", each tube support being adapted to be inserted below the tube and to hold it at the respective plate 52a, 52b.
- the integrated device 50 provides for a vertical rotation axis Z, arranged between the two plates 52a, 52b; said plates 52a, 52b are adapted to perform a rotation around said rotation axis Z to exchange position with one another.
- said integrated device 50 comprises rotation means adapted to force on command said rotation to the plates 52a, 52b.
- said rotation means comprise a rotation actuator 55, for example with pneumatic actuation, and a rack, so as to confer a clockwise and counterclockwise rotation, alternatively.
- the actuation is electric or oleodynamic.
- said rotation means comprise a central body 56, which supports the two plates 52a, 52b and the translation actuators 53, and is arranged therebetween.
- the central body 56 is rotatably constrained to a pair of vertical stems 57a, 57b, fastened in turn to a transmission element 59, engaged with the rack.
- the rotation may be only clockwise or only counterclockwise.
- the plates 52a, 52b are vertically movable along a vertical translation axis Y, parallel to the rotation axis Z, so as to move from a lowered position, to a base height, to a raised position, to an engagement height, in which the bobbin 10 or the dirty 12 or empty tubes 14, supported by said plates, interact with the spinning frame side transport device 26 and with the frame side transport device 22.
- said integrated device 50 comprises vertical translation means adapted to force on command said vertical translation to the plates 52a, 52b.
- said vertical translation means comprise a vertical translation actuator 60, engaged between the central body 56 and the transmission element 59 and adapted to raise/ lower said central body 56 by virtue of the fact that the stems 57a, 57b are slidingly engaged with the central body 56.
- the integrated device 50 comprises cleaning means 70 adapted to operate simultaneously on a pair of dirty tubes 12 to suction from these the roving residues windings R.
- said cleaning means 70 comprise suction means adapted to create, on command, a forced suction current, for example, comprising a fan, and a pair of cleaning tubes 72a, 72b, each provided with a straight functional section 72a', 72b', each having an extension along a respective vertical suction axis Wa, Wb, parallel to the rotation axis Z.
- a forced suction current for example, comprising a fan
- a pair of cleaning tubes 72a, 72b each provided with a straight functional section 72a', 72b', each having an extension along a respective vertical suction axis Wa, Wb, parallel to the rotation axis Z.
- the cleaning tubes 72a, 72b are operatively connected to said suction means so that, once the latter are activated, a suction current is generated inside the tubes 72a, 72b and, in particular, inside the respective functional section 72a', 72b'.
- said cleaning means 70 comprise moving means adapted to move at least the functional section 72a', 72b' of the cleaning tubes 72a, 72b between a resting position and a working position, in which they operatively engage, in suction, the respective dirty tubes to suction the roving residues.
- the roving residues windings R are subject to an action carried out by the air suction current, such to tear such windings and free the tube.
- said moving means comprise a cleaner actuator 87, for example, with pneumatic actuation, operatively connected with the functional sections 72a', 72b' of the tubes 72a, 72b.
- the actuation is electric or oleodynamic.
- the cleaning means 70 comprise secondary cleaning means adapted to locally direct a jet of compressed air towards the dirty tube 12 for removing additional roving residues present on an adhesive strip, generally in Velcro, which the tube is provided with for the attachment of the head and of the first windings of the roving.
- the two suction axes Wa, Wb are contained in an imaginary suction plane Pa.
- said suction plane Pa is substantially perpendicular to the advancement direction of the bobbins 10 on the frame side transport device 22, or substantially parallel to the advancement direction of the dirty tubes 12 on the spinning frame side transport device 26.
- said suction plane Pa is substantially orthogonal to the radial translation direction X of the support plate 52a, 52b.
- suction plane Pa is proximal to the spinning frame side transport device 26, i.e., proximal to the area for the collection of the dirty tubes 12 by the tube supports 54a', 54a"; 54b'54b".
- the suction plane Pa is arranged between the rotation axis Z and the advanced position assumed by the tube supports 54a',54a"; 54b'54b" for the collection of the dirty tubes 12.
- the suction plane Pa is arranged aligned to the retracted position assumed by the tube supports 54a',54a"; 54b',54b".
- the frame side transport device 22 carries two bobbins 10, hanging by means of a respective engagement/release device, generally called "pendulum"; the two bobbins 10 stop in a bobbin collection position such that the respective axes define an imaginary bobbin exchange plane Pb, substantially perpendicular to the advancement direction of the bobbins along the frame side transport device 22.
- the spinning frame side transport device 26 carries two dirty tubes 12, provided with some roving windings R, hanging by means of respective engagement/release devices; the dirty tubes stop in a tube collection position in which they are aligned on an imaginary tube transport plane Pt, on which the advancement direction of the tubes along the spinning frame side transport device 26 also lies.
- the plates 52a, 52b are already initially in an advanced position ( Figure 4a ).
- the supports 54a',54a" carried by the first plate 52a are vertically aligned to the bobbins 10 to be collected, i.e., aligned on the bobbin exchange plane Pb, and the supports 54b', 54b" carried by the second plate 52b are vertically aligned to the dirty tubes 12 to be collected, i.e., aligned on the tube transport plane Pt.
- the plates 52a, 52b translate vertically upwards, engage the bobbins 10 to be collected and the dirty tubes 10 to be removed at the engagement height, disengage said bobbins and said tubes at the respective engagement/release devices rising slightly beyond the engagement height, and finally move downwards, back to the base height.
- the cleaning tubes 72a, 72b are lowered onto the dirty tubes 12, which are thus inserted into said cleaning tubes, and the cleaning step is started by means of the suction air current.
- the cleaning tubes 72a, 72b are removed from the tubes (now clean) .
- the plates 52a, 52b therefore, perform a 180° rotation, so that the clean tubes 12' move into the area proximal to the frame side transport device 22, the bobbins 10 move into the area proximal to the spinning frame side transport device 26 and the frame side transport device 22 advances of a first stroke C1 ( Figure 4c ) .
- Said first stroke C1 is such that two engagement/release devices are positioned on the bobbin exchange plane Pb.
- the plates 52a, 52b translate into the advanced position, so that the bobbins 10 are aligned with the tube transport plane Pt and the clean tubes 12' are aligned with the bobbin exchange plane Pb ( Figure 4d ), positioned aligned below the engagement/release devices positioned on said bobbin exchange plane Pb.
- the plates 52a, 52b translate vertically upwards up to an engagement height, so that the bobbins 10 engage to the spinning frame side transport device 26 and the clean tubes 12' engage to the frame side transport device 22, and, in particular, to the engagement/release devices positioned on the bobbin exchange plane Pb.
- the frame side transport device 22 advances the bobbins carried by the rail 22 of a second stroke C2, so that two additional bobbins 10, between which, typically, an empty engagement/release device is arranged, are located on the bobbin exchange plane Pb.
- the second stroke C2 is greater than the first stroke C1, since the first stroke C1 allows the alignment of only one additional engagement/release device on the bobbin exchange plane Pb, while the second stroke C2 allows the positioning of two subsequent bobbins on the bobbin exchange plane Pb.
- spinning frame side transport device 26 advances of a third stroke C3, so that other two dirty tubes 12 are ready for the spinning frame side collection ( Figure 4e ).
- said management means comprise rail moving means adapted to advance the rail of a predetermined stroke, variable according to the operating step of the integrated device 50.
- said rail moving means are adapted to make the rail 22 complete an advancement of a first stroke C1 to align two engagement/release devices on the bobbin exchange plane Pb and to make the rail 22 complete an advancement of a second stroke C2 to align two bobbins 10 on the bobbin exchange plane Pb.
- the integrated device described above satisfies the requirements referred to with reference to the background art, as it allows to reduce the overall times required to exchange the bobbins with the tubes, and possibly to clean the dirty tubes.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
Description
- The present invention relates to an apparatus of a spinning line and a method for transporting bobbins and tubes between a roving frame and a spinning frame.
- As is known, the bobbins formed at the roving frame, consisting of a tube on which the roving stretched at the frame is wound, are transported to the spinning frame. At the spinning frame, the bobbins being worked are located, hanging from a loom, from which the rovings to be worked start. When the bobbins being worked are exhausted, they are replaced by bobbins originating from the roving frame.
- The exhausted bobbins consist of the tube completely devoid of roving (defined as "empty tube") or of the tube provided with some roving residues windings (defined as "dirty tube").
- The dirty tubes (and sometimes even the empty ones) are cleaned in a special device, usually called "cleaner", which removes the residual roving, thus obtaining empty tubes.
- The empty tubes originating from the cleaner and those collected from the spinning frame are brought back to the frame and replaced here with the bobbins that have been formed in the meantime; the empty tubes may thus be reused to form new bobbins.
- Such steps were traditionally performed manually or by means of completely or partially automatic mechanized systems.
- Recently, the Applicant devised an integrated device which locally carries out the collection of the empty or dirty tubes and of the bobbins, the cleaning of the dirty tubes and the exchange of the bobbins with the empty tubes. Such integrated device and the related working method are described in the International Application
WO 2016/083944 . A similar integrated device is described in documentEP 0 916 753 . - Despite the high degree of automation that such integrated device allows to obtain, the tendency is to further speed up the performance of such operations, above all because of the tendency of the roving frames and of the spinning frames to foresee an ever increasing number of spindles.
- It is the object of the present invention to provide an integrated device and a method capable of further reducing the overall execution times of the collection, exchange and release steps, and, possibly, of the cleaning step.
- Such object is achieved by an apparatus according to
claim 1 and by a method according to claim 9. The respectively dependent claims describe alternative embodiments of the device and alternative executions of the method. - Features and advantages of the apparatus and of the working method will become apparent from the following description, given by way of explanation and not by way of limitation, in accordance with the following Figures, in which:
-
Figure 1 shows a portion of a spinning line provided with a roving frame, a plurality of spinning frames, a transport system and an integrated device according to an embodiment of the present invention; -
Figure 2 shows a diagram of the roving frame ofFigure 1 ; -
Figure 3 shows the integrated device ofFigure 1 , according to an embodiment of the invention; - Figures from 4a to 4e diagrammatically show the working method of the integrated device of
Figure 3 . - With reference to the accompanying Figures,
numeral 1 indicates, overall, a portion of a spinning line comprising avessels region 2, in which a plurality ofvessels 4 is housed, each containing a roving roll, aroving frame 6 adjacent to thevessel region 2, to be fed the roving therefrom, and a plurality ofspinning frames 8, for example arranged parallel to one another. - The
frame 6 stretches the roving originating from thevessels 4 and winds it on empty tubes, formingbobbins 10 to be transported to the spinning frame. For such purpose, thebobbins 10 are made available to acarrier 20 of theframe 6. - A transport system comprises a frame
side transport device 22, usually called "rail", adapted to collect thebobbins 10 from thecarrier 20 and to move them in suspension, at a predetermined height, generally by means of a main belt 22'. The frameside transport device 22 is further adapted to load thecarrier 20 withempty tubes 14. - For example, according to a preferred embodiment, the
roving frame 6, which extends along a frame axis along which working points are distributed successively, provides for a pair offlaps 6a for each working point. - Each
flap 6a is rotating about a vertical axis, to guide the roving in the winding around anempty tube 14, thus forming thespool 10. - The
empty tube 14 is removably inserted on aspindle 6b integral with thespindle moving carrier 20. - In a working position (
Figure 2 ), thecarrier 20 is arranged at a height adapted to allow the winding of the roving around the tube, so as to produce thespool 10. - In other words, in said working position, the axes of the spindles carried by the
carrier 20 substantially coincide with the axis of the flaps. - Once obtained the spools, for example, of the desired weight, the
carrier 20 is lowered, from the raised working position to a lowered retracted position, in which it cooperates with carrier translation means for the horizontal translation of the carrier towards the advanced doffing position below the rail. - Said horizontal translation means comprise a slide 6c which cooperates with motor means for the horizontal translation of the carrier.
- Following the horizontal translation of the
carrier 20 carried by the slide 6c, thecarrier 20 moves into the advanced doffing position adapted to allow the cooperation of saidcarrier 20 with thespool carrying rail 22, to doff the spools from the carrier and/or arrange newempty tubes 14 on saidspindles 6b for the formation of new spools. - The
rail 22 is supported by a support and guidingstructure 6d, comprising a verticallymovable crosspiece 6e. - The
rail 22 is thus vertically movable between a raised position, in which the moving of the spools towards the next processing occurs, and a lowered position adapted to collect the spools from the carrier in the doffing position. - For such purpose, the
frame 6 comprises support and moving means adapted to support said rail and to allow the vertical movement thereof. - For example, said support and moving means comprise a preferably
flat band 6f, connect, at an end, to thecrosspiece 6e and wound, at the opposite end, to arail moving shaft 6g connected to a motor. - The transport system further comprises a spinning frame
side transport device 26 adapted to move thebobbins 10 towards thespinning frames 8 and the dirty tubes 12 (or sometimes empty 14) towards theframe 6. - For example, the
secondary device 26 has a closed ring shape and comprises a track 26' having sections 8' which run parallel to thespinning frames 8, seamlessly. - Furthermore, the transport system comprises management means, comprising, for example, a PLC or a microprocessor, adapted to command the advancement of the spools along the rail and the advancement of the empty 14 or
dirty tubes 12 along the track 26'. - Furthermore, the
spinning line 1 comprises an integrateddevice 50 adapted to cooperate with the frameside transport device 22 which serves theframe 6 and with the spinning frameside transport device 26 which serves thespinning frames 8, to locally carry out, i.e., in a predetermined area of the transport system, the removal of thedirty tubes 12 from thesecondary device 26 and of thebobbins 10 from theprimary device 22, possibly the cleaning of thedirty tubes 12 to obtainempty tubes 14, the exchange of thebobbins 10 with theempty tubes 14 and the release of thebobbins 10 to thesecondary device 26 and of theempty tubes 14 to theprimary device 22. - In accordance with an embodiment, for example shown in
Figure 3 , the integrateddevice 50 cooperates with anend section 26" of the track 26' of thesecondary device 26 which serves thespinning frames 8 and with anend section 22" of the transport belt 22' of theprimary device 22 which serves theframe 6. - For example, the
end section 22" of the belt 22' extends along a direction perpendicular to theend section 26" of the track 26'. - The integrated
device 50 comprises afirst support plate 52a and asecond support plate 52b, arranged angularly out of phase by 180°, i.e., in diametrically opposed positions. - Said
plates end section 22" of the belt 22' and below theend section 26" of the track 26'. - In other words, said integrated
device 50 comprises radial translation means adapted to force on command said radial translation to theplates translation actuators 53, for example, with pneumatic actuation. Alternatively, the actuation is electric or oleodynamic. - Each
plate tube supports 54a',54a" and 54b',54b", each tube support being adapted to be inserted below the tube and to hold it at therespective plate - Furthermore, the integrated
device 50 provides for a vertical rotation axis Z, arranged between the twoplates plates - In other words, said integrated
device 50 comprises rotation means adapted to force on command said rotation to theplates - Preferably, said rotation means comprise a
rotation actuator 55, for example with pneumatic actuation, and a rack, so as to confer a clockwise and counterclockwise rotation, alternatively. - Alternatively, the actuation is electric or oleodynamic.
- According to an embodiment, said rotation means comprise a
central body 56, which supports the twoplates translation actuators 53, and is arranged therebetween. - The
central body 56 is rotatably constrained to a pair ofvertical stems transmission element 59, engaged with the rack. - According to additional alternative embodiments, the rotation may be only clockwise or only counterclockwise.
- Furthermore, the
plates bobbin 10 or the dirty 12 orempty tubes 14, supported by said plates, interact with the spinning frameside transport device 26 and with the frameside transport device 22. - In other words, said integrated
device 50 comprises vertical translation means adapted to force on command said vertical translation to theplates - For example, said vertical translation means comprise a
vertical translation actuator 60, engaged between thecentral body 56 and thetransmission element 59 and adapted to raise/ lower saidcentral body 56 by virtue of the fact that thestems central body 56. - According to an alternative embodiment, the integrated
device 50 comprises cleaning means 70 adapted to operate simultaneously on a pair ofdirty tubes 12 to suction from these the roving residues windings R. - According to a preferred embodiment, said cleaning means 70 comprise suction means adapted to create, on command, a forced suction current, for example, comprising a fan, and a pair of
cleaning tubes functional section 72a', 72b', each having an extension along a respective vertical suction axis Wa, Wb, parallel to the rotation axis Z. - The
cleaning tubes tubes functional section 72a', 72b'. - Furthermore, said cleaning means 70 comprise moving means adapted to move at least the
functional section 72a', 72b' of thecleaning tubes - In other words, in the working position of the
functional section 72a', 72b' of thecleaning tube - According to an embodiment, said moving means comprise a
cleaner actuator 87, for example, with pneumatic actuation, operatively connected with thefunctional sections 72a', 72b' of thetubes - Furthermore, preferably, the cleaning means 70 comprise secondary cleaning means adapted to locally direct a jet of compressed air towards the
dirty tube 12 for removing additional roving residues present on an adhesive strip, generally in Velcro, which the tube is provided with for the attachment of the head and of the first windings of the roving. - The two suction axes Wa, Wb are contained in an imaginary suction plane Pa.
- According to such embodiment of the invention, said suction plane Pa is substantially perpendicular to the advancement direction of the
bobbins 10 on the frameside transport device 22, or substantially parallel to the advancement direction of thedirty tubes 12 on the spinning frameside transport device 26. - Again, in other words, said suction plane Pa is substantially orthogonal to the radial translation direction X of the
support plate - Furthermore, said suction plane Pa is proximal to the spinning frame
side transport device 26, i.e., proximal to the area for the collection of thedirty tubes 12 by the tube supports 54a', 54a"; 54b'54b". - In particular, the suction plane Pa is arranged between the rotation axis Z and the advanced position assumed by the tube supports 54a',54a"; 54b'54b" for the collection of the
dirty tubes 12. Preferably, the suction plane Pa is arranged aligned to the retracted position assumed by the tube supports 54a',54a"; 54b',54b". - In the normal operation of the spinning line, comprising the aforesaid integrated device (
Figures 4a to 4e ), the frameside transport device 22 carries twobobbins 10, hanging by means of a respective engagement/release device, generally called "pendulum"; the twobobbins 10 stop in a bobbin collection position such that the respective axes define an imaginary bobbin exchange plane Pb, substantially perpendicular to the advancement direction of the bobbins along the frameside transport device 22. - Furthermore, the spinning frame
side transport device 26 carries twodirty tubes 12, provided with some roving windings R, hanging by means of respective engagement/release devices; the dirty tubes stop in a tube collection position in which they are aligned on an imaginary tube transport plane Pt, on which the advancement direction of the tubes along the spinning frameside transport device 26 also lies. - Preferably, the
plates Figure 4a ). - In said advanced position, the
supports 54a',54a" carried by thefirst plate 52a are vertically aligned to thebobbins 10 to be collected, i.e., aligned on the bobbin exchange plane Pb, and thesupports 54b', 54b" carried by thesecond plate 52b are vertically aligned to thedirty tubes 12 to be collected, i.e., aligned on the tube transport plane Pt. - Subsequently, the
plates bobbins 10 to be collected and thedirty tubes 10 to be removed at the engagement height, disengage said bobbins and said tubes at the respective engagement/release devices rising slightly beyond the engagement height, and finally move downwards, back to the base height. - Furthermore, subsequently, the
plates dirty tubes 12 are aligned on the suction plane Pa (Figure 4b ). - In such configuration, if provided for by the embodiment, the
cleaning tubes dirty tubes 12, which are thus inserted into said cleaning tubes, and the cleaning step is started by means of the suction air current. - Once ended the cleaning of the dirty tubes, the
cleaning tubes - The
plates side transport device 22, thebobbins 10 move into the area proximal to the spinning frameside transport device 26 and the frameside transport device 22 advances of a first stroke C1 (Figure 4c ) . - Said first stroke C1 is such that two engagement/release devices are positioned on the bobbin exchange plane Pb.
- Subsequently, the
plates bobbins 10 are aligned with the tube transport plane Pt and the clean tubes 12' are aligned with the bobbin exchange plane Pb (Figure 4d ), positioned aligned below the engagement/release devices positioned on said bobbin exchange plane Pb. - Subsequently, the
plates bobbins 10 engage to the spinning frameside transport device 26 and the clean tubes 12' engage to the frameside transport device 22, and, in particular, to the engagement/release devices positioned on the bobbin exchange plane Pb. - Finally, the tube supports 54a',54a"; 54b',54b" disengage the clean tubes and the bobbins, and the
plates Figure 4d ). - The frame
side transport device 22 advances the bobbins carried by therail 22 of a second stroke C2, so that twoadditional bobbins 10, between which, typically, an empty engagement/release device is arranged, are located on the bobbin exchange plane Pb. - Typically, the second stroke C2 is greater than the first stroke C1, since the first stroke C1 allows the alignment of only one additional engagement/release device on the bobbin exchange plane Pb, while the second stroke C2 allows the positioning of two subsequent bobbins on the bobbin exchange plane Pb.
- Furthermore, the spinning frame
side transport device 26 advances of a third stroke C3, so that other twodirty tubes 12 are ready for the spinning frame side collection (Figure 4e ). - In other words, said management means comprise rail moving means adapted to advance the rail of a predetermined stroke, variable according to the operating step of the
integrated device 50. - In particular, said rail moving means are adapted to make the
rail 22 complete an advancement of a first stroke C1 to align two engagement/release devices on the bobbin exchange plane Pb and to make therail 22 complete an advancement of a second stroke C2 to align twobobbins 10 on the bobbin exchange plane Pb. - Innovatively, the integrated device described above satisfies the requirements referred to with reference to the background art, as it allows to reduce the overall times required to exchange the bobbins with the tubes, and possibly to clean the dirty tubes.
- It is clear that a skilled in the art, in order to satisfy contingent requirements, may make changes to the integrated device and to the working method described above, all included within the scope of protection as defined by the following claims.
Claims (10)
- Apparatus for a spinning line, comprising:- a rail (22) associable to a roving frame (6);- a secondary transport device (26) associable to at least one spinning frame (8);- an integrated device (50) comprising exchange means suitable to carry out locally the collection of a plurality of tubes (12,14) all at once from the secondary device and a plurality of bobbins (10) all at once from the rail (22), the exchange of the bobbins (10) with the tubes (12,14) and the release of the bobbins (10) to the secondary transport device (26) and the tubes (12,14) to the rail (22);characterized in that it comprises- rail moving means configured to advance the rail (22) with a variable distance (C1,C2) between the step of collecting the bobbins (10) from the rail and the step of releasing the tubes (12,14) to the rail (22), wherein the rail moving means are configured to make the rail (22) complete an advancement of a first distance (C1) to align two engagement/release devices on a bobbin exchange plane (Pb) and to make the rail (22) complete an advancement of a second distance (C2) to align two bobbins (10) on the bobbin exchange plane (Pb), wherein the first distance (C1) is less than the second distance (C2).
- Apparatus according to claim 1, wherein the integrated device (50) comprises a first support plate (52a) and a second support plate (52b), arranged in diametrically opposed positions, wherein each plate (52a,52b) is provided with a pair of tube supports (54a',54a";54b',54b"), each tube support being adapted to be inserted in the bottom of the tube and to hold it on the respective plate (52a, 52b).
- Apparatus according to claim 2, wherein said integrated device (50) comprises radial translation means adapted to force on command a radial translation to the plates (52a,52b) in opposing directions.
- Apparatus according to claim 2 or 3, wherein the integrated device (50), defining a vertical rotation axis (Z) arranged between the two support plates (52a, 52b), comprises rotation means suitable to force on command a predetermined rotation of the plates (52a,52b) around said rotation axis (Z), preferably alternating.
- Apparatus according to any one of the claims 2 to 4, wherein said integrated device (50) comprises vertical translation means suitable to force on command a predefined vertical translation to the plates (52a,52b).
- Apparatus according to any one of the preceding claims, wherein the integrated device (50) comprises cleaning means (70) suitable to operate simultaneously on said several tubes (12) to suction from these roving residues windings (R).
- Apparatus according to any one of the preceding claims, comprising a roving frame (6), wherein the
rail (22) is vertically movable between a raised position in which the advancement of the spools occurs and a lowered position suitable for collecting the spools from a carrier (20) in a doffing configuration. - Apparatus according to claim 7, wherein the carrier (20) is vertically movable from a raised working position to a lowered retracted position and in said lowered retracted position cooperates with carrier translation means for the horizontal translation towards the advanced doffing position below the rail.
- Working method of a spinning line, comprising the steps of:- providing an apparatus for a spinning line according to any of claims 1 to 8;- arranging a plurality of tubes (12,14) all at once on the tube transport plane (Pt) of the secondary transport device (26) associated with at least a spinning frame (8) and the plurality of bobbins (10) all at once on the bobbin exchange plane (Pb) of the rail (22) associated with a roving frame (6);- taking said tubes (12,14) and said bobbins (10);- commanding the advancement of the rail (22) of the first distance (C1) for arranging the plurality of engagement/release devices on said bobbin exchange plane (Pb) ;- exchanging the bobbins (10) with the tubes (12,14);- releasing the bobbins (10) to the secondary transport device (26) and the tubes (12) to the engagement/release devices supported by the rail (22);- commanding the advancement of the rail (22) of a second distance (C2), different from the first distance (C1), wherein the first distance (C1) is less than the second distance (C2), to carry additional bobbins onto said bobbin exchange plane (Pb) .
- Working method according to claim 9 to be performed on the apparatus according to claim 6 or to claim 7 or 8 dependent on claim 6, comprising the step of cleaning the dirty tubes (12) between the step of taking said several tubes (12,14) and the step of releasing the tubes (14) to the engagement/release devices.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102017000037751A IT201700037751A1 (en) | 2017-04-06 | 2017-04-06 | APPARATUS AND METHOD FOR THE TRANSPORT OF COILS AND TUBES BETWEEN BANCO FUSI AND YARN OF A SPINNING LINE |
Publications (2)
Publication Number | Publication Date |
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EP3385414A1 EP3385414A1 (en) | 2018-10-10 |
EP3385414B1 true EP3385414B1 (en) | 2022-04-06 |
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Application Number | Title | Priority Date | Filing Date |
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EP18164532.6A Active EP3385414B1 (en) | 2017-04-06 | 2018-03-28 | Apparatus and method for transporting bobbins and tubes between roving frame and spinning frame of a spinning line |
Country Status (5)
Country | Link |
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EP (1) | EP3385414B1 (en) |
JP (2) | JP7114304B2 (en) |
CN (1) | CN108689242B (en) |
ES (1) | ES2916024T3 (en) |
IT (1) | IT201700037751A1 (en) |
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IT201700116280A1 (en) * | 2017-10-16 | 2019-04-16 | Marzoli Machines Textile Srl | DEVICE AND METHOD FOR THE EXCHANGE BETWEEN REELS AND TUBES IN A SPINNING LINE |
CN111891672A (en) * | 2020-07-19 | 2020-11-06 | 康赛妮集团有限公司 | Digital extractor of yarn section of thick bamboo |
CN113548544A (en) * | 2021-07-23 | 2021-10-26 | 宜昌经纬纺机有限公司 | Automatic yarn feeding system for raw silk barrel of glass silk twisting machine |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19749024B4 (en) * | 1997-11-06 | 2004-09-16 | Saurer Gmbh & Co. Kg | Spinning plant with pre-spinning machines and with ring spinning machines |
IT1298984B1 (en) * | 1998-03-31 | 2000-02-07 | Savio Macchine Tessili Spa | IMPROVED SPOOL AND TUBE HANDLING SYSTEM FOR AUTOMATIC WINDING MACHINES |
DE602004020453D1 (en) * | 2004-06-01 | 2009-05-20 | Marzoli Spa | Device for spinning machine with a structure for holding and guiding a bobbin holder |
CN103434826B (en) * | 2013-08-30 | 2015-12-23 | 天津工业大学 | A kind of cheese is collected and delivery system automatically |
WO2015049293A1 (en) * | 2013-10-01 | 2015-04-09 | Maschinenfabrik Rieter Ag | Yarn clearer and spinning station, equipped therewith, of a spinning machine, and method for operating a spinning station |
CN203497582U (en) * | 2013-10-14 | 2014-03-26 | 如皋市灵敏除尘设备厂 | Conveying system used for roving circulation in spinning frames and roving and spinning units |
JP2015158029A (en) * | 2014-02-25 | 2015-09-03 | 株式会社豊田自動織機 | Weighing device of roving package |
EP3224171B1 (en) * | 2014-11-25 | 2020-02-19 | MARZOLI MACHINES TEXTILE S.r.l. | Integrated device and method for transporting bobbins and tubes between a roving frame and a spinning frame of a spinning line |
CN204369303U (en) * | 2014-12-16 | 2015-06-03 | 江阴市新杰纺织机械有限公司 | Feedway on bobbin-winding machine |
CN205676580U (en) * | 2016-05-17 | 2016-11-09 | 青岛国邦工业科技发展有限公司 | Fly frame Automatic doffing devices |
-
2017
- 2017-04-06 IT IT102017000037751A patent/IT201700037751A1/en unknown
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2018
- 2018-03-28 EP EP18164532.6A patent/EP3385414B1/en active Active
- 2018-03-28 ES ES18164532T patent/ES2916024T3/en active Active
- 2018-04-03 JP JP2018071574A patent/JP7114304B2/en active Active
- 2018-04-04 CN CN201810298941.6A patent/CN108689242B/en active Active
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- 2022-06-14 JP JP2022095810A patent/JP2022137041A/en active Pending
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JP7114304B2 (en) | 2022-08-08 |
JP2018178347A (en) | 2018-11-15 |
IT201700037751A1 (en) | 2018-10-06 |
CN108689242B (en) | 2021-10-01 |
JP2022137041A (en) | 2022-09-21 |
EP3385414A1 (en) | 2018-10-10 |
CN108689242A (en) | 2018-10-23 |
ES2916024T3 (en) | 2022-06-27 |
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