EP3165636A1 - Dispositif d'étirage - Google Patents

Dispositif d'étirage Download PDF

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Publication number
EP3165636A1
EP3165636A1 EP16189621.2A EP16189621A EP3165636A1 EP 3165636 A1 EP3165636 A1 EP 3165636A1 EP 16189621 A EP16189621 A EP 16189621A EP 3165636 A1 EP3165636 A1 EP 3165636A1
Authority
EP
European Patent Office
Prior art keywords
drafting
section
connecting portion
designed
sliver
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.)
Granted
Application number
EP16189621.2A
Other languages
German (de)
English (en)
Other versions
EP3165636B1 (fr
Inventor
Thomas Schmitz
Armin Leder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Truetzschler GmbH and Co KG
Original Assignee
Truetzschler GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Truetzschler GmbH and Co KG filed Critical Truetzschler GmbH and Co KG
Publication of EP3165636A1 publication Critical patent/EP3165636A1/fr
Application granted granted Critical
Publication of EP3165636B1 publication Critical patent/EP3165636B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H11/00—Arrangements for confining or removing dust, fly or the like
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/32—Counting, measuring, recording or registering devices

Definitions

  • the invention relates to a stretching device, that is, a device which is able to collect slivers, for example from several cans, then adjacent to each other to lay out and merge to form a new, single sliver, which preferably has the same width dimensions as each of the retracted , several slivers.
  • Width dimension means in the context of the application, the expansion of the sliver in any direction transverse to the longitudinal extent of the sliver.
  • gate arrangements for retraction of the sliver usually gate arrangements are used, in which cans in one or more rows, along the longitudinal extent, are arranged side by side. In this case, usually up to ten slivers can be fed into a drafting system.
  • the gates are accessible only from the outsides of the gate assembly itself.
  • the sliver guides from each gate to double track can be achieved only from the longitudinal side.
  • the Problem aggravates when the gate assembly includes two juxtaposed racks, under which cans can be arranged to both sides. In this case, part of the sliver guide is located between the two racks, which makes the accessibility from the longitudinal sides extremely difficult if not impossible.
  • the object of the invention is to counteract these disadvantages.
  • a stretching device which has two drafting devices.
  • Each of these two drafting arrangements has, in a known manner, a draw-in section, a draw-out section and an output section.
  • the draw-in section is designed to convey sliver material from the outside with respect to the associated drafting device in the direction of the extension section of the associated drafting system.
  • This stretch section is designed to stretch and level the conveyed sliver material according to predetermined specifications.
  • the dispensing section in turn, is configured to deliver the stretched and evened sliver material outwardly of the associated drafting system. This is done in the usual way by dropping it into a jug.
  • each drafting system has its own drive device.
  • the drive devices of the drafting devices are preferably configured to operate independently of each other.
  • the stretching device according to the invention also has a single, central operating unit. This is set up to allow a user to Operation of the two drafting systems to configure at least independently and / or to control. If the drive devices of the drafting devices are configured to operate independently of one another, the drafting devices can work coordinated with each other, but this takes place independently of each other. There is no coupling between the two drafting units, which could result in both drafting units being mechanically operated in dependence on each other.
  • the stretching device may also have a connecting portion. This is, seen in the longitudinal extent of the two drafting devices, arranged between these. As a result, the two drafting devices are arranged at least in the region of the connecting portion at a distance from each other.
  • the connecting portion extends in the longitudinal direction of the two drafting units and is at least accessible from one side, where the output section is located. Ie. the connecting section widens the entire arrangement only by its own width. This allows a person to have access to both drafting systems at the same point, namely in the area of the connecting section. It can also commit at least from the direction of the output section forth the connecting portion and thus reach at least to the drafting systems. The surrounding the person thus drafting protect them against any dangers such as moving vehicles or the like.
  • Another advantage is that the Operation of both drafting systems only the width of the connecting section is additionally necessary. If this connecting section was missing, and if the drafting devices were positioned directly adjacent to one another, space would have to be provided for the operation at least on an outer side of the stretching device. Also, an access from the outside to the gate arrangements can be realized via the intermediate section, associated with a lower risk of accidents. Ie. the room is optimally used.
  • a second stretching device could, viewed along its longitudinal extent, be arranged immediately adjacent to the stretching device described here. The intermediate section thus forms a lying between the drafting control platform, which allows operation of both drafting from a central position out, connected with less backward paths and, consequently, with less time.
  • the intermediate section is located as a control platform in the middle between the two drafting units.
  • the control unit is easily accessible from the intermediate section, and adjustments can be made for both drafting systems.
  • the intermediate section also allows an optimal operating height above the floor on which the stretching device is arranged.
  • the intermediate section can be made adjustable, so that the operating height can be adapted to the size of the person (s) operating the stretching device. This is for ergonomics.
  • the connecting portion is attached to at least one of the two drafting units.
  • the connecting portion thus forms with the / n attached drafting system (s) a structural unit. This facilitates the assembly, arrangement and alignment of all components of the stretching device to each other.
  • each of the aforementioned connecting sections forms a passage between the two drafting devices of the associated stretching device along its longitudinal extent.
  • the drafting units are accessible by means of the connecting portion from both ends of the connecting portion, that is, from the side of the sliver feeder (feeder portion) and the sides of the sliver discharge (discharge portion).
  • the part of the sliver guide located between the two racks can now be easily reached from the end face facing the intermediate section.
  • the continuation of the connecting section as a central operating platform also makes it possible to reduce to a minimum the necessary ways of operating the double track.
  • On the operating platform can be traversed from one to the other end of the stretching device. In particular, this is favorable if the passage continues to exist between two longitudinal rows of cans of the gate arrangement; an operation of the gate arrangement can thus also be done centrally.
  • the operating platform is accessible both from both ends of the stretching device ago. Regardless of whether an operation from one of the end faces is necessary with respect to the stretching device, unnecessary paths around the stretching device are avoided due to the central passage.
  • the control unit is in the presence of such a connecting portion, seen in the longitudinal direction of the drafting, preferably at one End of the connecting portion arranged. This allows access to other parts of the drafting equipment, such as housing parts that need to be opened or removed, for example, to remove dirt in the form of lost, not extracted fibers from the respective drafting system.
  • Each of the aforementioned connecting sections may be provided with a pedestal section. This has, as the name implies, with respect to a floor on which the stretching device is arranged, a predetermined height. This makes it possible to adjust the walk height of the connecting section to the reachable points of the stretching device and the size of the person operating the stretching device (s).
  • the connecting section is preferably further provided with at least one ramp-like or staircase-like access section. This is formed rising from a free end of the connecting portion along the longitudinal extent of the two drafting devices in the direction of the platform section and attached to the pedestal section or integrally formed therewith. This results in an easy way to get to the pedestal section.
  • the ramp can be provided to roll up a container and fill with the aforementioned dirt can.
  • the pedestal section may additionally or alternatively be provided that an electrical wiring and / or a flow device between the connecting portion and the floor is or are arranged.
  • the wiring can mean a control technology coupling of the two drafting systems. This makes central control of one of the drafting systems possible as a type master. Alternatively or additionally, a power supply may be misplaced. This has the advantage that both drafting systems only have to be powered from the environment at a single point, which reduces the wiring effort and installations to be provided, such as electrical connections.
  • the operating unit may be attached to one of the two drafting devices in all the above-mentioned drafting devices.
  • a kind of master-slave arrangement can be created.
  • the drafting system with control unit forms the master, which would also work without the other drafting system, the slave.
  • An application as a single headline is possible, for example.
  • the operating unit or else only one attachment possibility for it may be provided on each of the mentioned connecting sections.
  • the drafting systems need not be provided with a construction with respect to a control unit, which allows standardized drafting systems, coupled with low production costs.
  • Said sliver material preferably comprises a plurality of individual slivers. Ie. the plurality of slivers are pulled in, stretched and evened, and then dispensed.
  • FIG. 1 shows a stretching device 1 in plan view, according to a first embodiment of the invention, which is designed as a double-path.
  • the double section 1 comprises two drafting units 2, which are arranged above a respective can changer 3.
  • the drafting units 2 are designed in a conventional manner, so have draw rolls and a corresponding sensor for the sliver thickness.
  • each drafting system 2 has its own, not visible drive.
  • Drive and drafting rollers are preferably arranged under a respective housing cover 14.
  • Each can changer 3 is exemplified as a linear changer. Ie. an empty can 4, seen in the longitudinal extent of the double section 1, according to FIG. 1 So horizontally, laterally inserted from an outside of the respective can changer 3 ago in this. This is in FIG. 1 indicated by the vertical block arrows.
  • a can 5 to be filled is in each case in FIG. 1 already shown under a corresponding, non-visible output section of the respective can changer 3.
  • the output section is used to place the sliver material processed by the respective drafting system 2 into the associated can 5 and to fill it with it.
  • the respective can 5 is full, it is preferably conveyed automatically out of the respective can changer 3 along the longitudinal extent of the stretching device 1 to the outside, as indicated by the horizontally extending, pointing to the right block arrows.
  • the drafting units 2 are separated from each other by means of an intermediate section 7.
  • the intermediate section 7 extends along the longitudinal extent of the drafting units 2 or the can changer 3 arranged underneath. In order to be able to manually operate both drafting units 2 from the intermediate section 7, these are preferably mirror images of each other, viewed along their longitudinal extent, at least with regard to the components to be handled.
  • the stairway 24 serves to overcome the difference in height of the intermediate section 7 to a floor, not shown here, on which the double track 1 is placed, so that a person can commit the intermediate section 7.
  • a gate arrangement 8 On the left side of the drafting units 2, a gate arrangement 8 is arranged, which in the example shown has a three-row design. It comprises a frame 9, below which three rows of four cans 11 each extending in the longitudinal extent of the adjoining drafting units 2 are arranged.
  • the frame 9 has, depending on the number of transversely to the longitudinal extent of the drafting 2 extending, here four transverse rows, each consisting of three cans 11, over a corresponding number of Pairs of arms 10, of which only two are provided with reference numerals. In each of these pairs, both arms 10 extend away from the frame 9 away from each other. Their free ends are located above a respective outer of the three cans 11 of the associated transverse row.
  • Each arm 10 has sections above the respective outer can 11 and also in the region of the centrally arranged can 11 via a deflection mechanism, for example in the form of a roller, in order to redirect the sliver removed from the associated can 11 in the direction of drafting devices 2.
  • a deflection mechanism for example in the form of a roller
  • a sliver guide in the form of two mutually away from each other extending, free-standing arms as a guide portion 12. These are preferably formed parallel to the arms 10.
  • the guide section 12 ensures that the slivers removed from the cans 11 are fed in a suitable manner to the respectively associated drafting device 2.
  • the intermediate section 7 forms a passage between the two drafting arrangements 2. This allows access to the gate arrangement 8 from the end of the drafting arrangements 2 facing away from the gate arrangement 8.
  • an operator terminal 15 is shown, via which both drafting systems 2 can be monitored and / or operated by software.
  • FIG. 2 shows a double-track 1 according to a second embodiment of the invention. It is different from the one in FIG. 1 shown double line 1 substantially through the gate assembly 8 and the position of the control terminal 15, which is now arranged at the other of the two drafting units 2.
  • the gate assembly 8 is formed in two rows and includes in the example shown two frames 9. These have on the facing sides in turn each pairs of arms 10 for twenty cans not shown here, the removal of the sliver from the respectively disposed below jug in the direction of serve associated drafting 2.
  • each frame 9 in turn has a guide section 12 here in the form of two free-standing arms which extend toward one another.
  • the sliver material is passed over the respective arm of the guide portion 12 through a feeder 13 of the respective drafting system 2 in the direction of the respective, the sliver material stretching rollers, which are located under a respective housing cover 14 and therefore are not visible.
  • the can changer 3 here in the region of these cans each side and frontally has an opening 16.
  • openings 16 are used to set a respective empty jug, whereas the front openings 16 here serve to lead out the filled cans from the respective can changer 3.
  • the operating terminal 15 is attached by way of example to the right-hand drafting system 2. It is designed to make settings on both drafting 2 separately or together. Furthermore, the state or the respective processing process of both drafting systems 2 can be displayed on one and the same operating terminal 15.
  • the operating terminal 15 is preferably coupled to a controller which belongs to the drafting units 2. For this purpose, the electrical wiring to the drafting units 2 is guided over a here perpendicular bar 25 to which the control terminal 15 is attached.
  • the support bar 25 is attached to the upper cover 26 thereof.
  • the support rod 25 penetrates the cover 26 and is attached to a part of the drafting system 2 arranged below the cover 26.
  • the intermediate portion 7 is preferably used.
  • the intermediate portion 7 is formed like a pedestal. Ie. he has at its bottom on a cavity in which advantageously the necessary wiring to the left drafting 2 is laid. At a front end, the pedestal portion 7 has a staircase 24 in the form of an intermediate stage, which allows that a person in a convenient way to the drafting 2 over, for example, to the gate assembly 8 or only to the control terminal 15 can move.
  • FIG. 3 shows a double-track 1 according to a third embodiment of the invention and in three views, once in perspective ( FIG. 3a ) and twice as modified plan views ( Figure 3b and Figure 3c ).
  • the gate arrangement 8 comprises a frame 9, which is arranged to extend in the direction of the longitudinal extent of the drafting arrangements 2.
  • the frame 9 has at its side facing the respective other frame 9 and facing away from freestanding arms 10, which serve the discharge of the sliver material of the respectively arranged underneath, not shown pot.
  • the drafting devices 2 At its end facing the drafting devices 2, it likewise has a guide section 12 in the form of two free-standing arms, each extending from one another.
  • each longitudinal row eight cans 11 can be arranged by way of example.
  • the two lateral arms of the guide section 12 open in each case in its own drafting 2 of the double section. 1
  • Each drafting system 2 has stretch rollers in a known manner. These inclusive associated drive are arranged in each case under an associated cover 26 with housing cover 14 by way of example.
  • the can changer 3 is preferably designed so that its non-visible turntable over which the stretched and even sliver is filled into the respective can 5, can change its position from one to the other can position.
  • the left front jug is full (reference numeral 6)
  • the right front jug (reference numeral 4) is empty but is not currently being filled.
  • the operator terminal 15 is on in FIG. 3a arranged behind the two drafting units 2 or formed.
  • FIG. 3b differs from the representation in FIG. 3a in that here additionally sliver material 17 is shown.
  • each feeder 13 is arranged to bundle the respectively fed sliver material and the under supply corresponding to the housing cover 14 stretching rollers.
  • the individual fiber slivers of the respective longitudinal row forming the sliver material 17 and aligned therefrom by eight cans 11 are aligned parallel to one another via the arms 10 and are fed to the respectively associated free-standing arm of the guide section 12 in this constellation.
  • one of the two indentations 13, or even both can be set up to detect the fiber sliver thickness and thus to effect an activation of the drafting units 2 in order to be able to produce the sliver even more uniformly and in the desired sliver thickness.
  • Figure 3c also shows a plan view of the double section 1, without drafting 2 in the can changer 3. D. h. the interior of the can changer 3 is visible.
  • This view serves to illustrate the arrangement of the cans 4, 5, 6 with respect to the respective can changer 3.
  • FIG. 4 shows a double section 1 according to a fourth embodiment of the invention in plan view and also with open can changers. 3
  • the gate assembly 8 is similar to that in FIG. 1 , Only the respective drafting 2 associated 11 ⁇ 2 longitudinal rows of cans 11 are arranged transversely to the longitudinal extent of the drafting 2 slightly offset from each other at a distance. Thus, the sliver, not shown here can be supplied from the cans 11 via the corresponding part of the guide portion 12 with respect to the associated drafting system 2 preferably symmetrically without having to provide an extra deflection.
  • FIG. 5 shows a double section 1 according to a fifth embodiment of the invention in plan view.
  • the gate arrangement 8 is identical to that in FIG FIG. 1 shown.
  • FIG. 6 shows a double link 1 according to a sixth embodiment of the invention, in two views.
  • the gate arrangement 8 essentially corresponds to that in FIG FIG. 4 shown fourth embodiment of the invention.
  • the difference is that the racks 9 have a distance from one another such that two entire longitudinal rows of cans 11 can be provided for each drafting system 2.
  • the pulp changers 3 assigned to the drafting units 2 each have two guide tracks 22, which are arranged running parallel to one another by way of example. Both guideways 22 open at one end into the effective range of the respective can changer 3 and the other end in a respective ramp 21, which creates a height compensation of the respective guideways 22 with the floor not shown.
  • only three empty cans 4 are arranged in the respective feed guide track 22. These are when moving into the effective range of the respective can changer 3, ie below the associated housing cover 14, due to a run-on slope 20 which is formed on a respective, laterally arranged respective pedestal 18, moved in the direction of filling position.
  • a pedestal section 18th is preferably located at the in FIG. 6a towards the outside facing the rear drafting 2 .
  • the pedestals 18 extend substantially approximately over half the length of the respective drafting system 2 and the can changer 3 arranged underneath. At its end facing the gate arrangement 8, at least the in FIG. 6a visible platform 18 in a staircase-like staircase 24.
  • both the intermediate section 7 and the lateral pedestals 18 are preferably each formed with two or one staircase 24. This allows the person concerned to choose how to handle the work on the double-track 1. Also, several people can work so conveniently on both drafting 2 so comfortable.
  • FIG. 7 shows by way of example the in FIG. 1 Upper drafting system 2 in greater detail and from one of the gate assembly 8, not shown here ago, at which the feeder 13 is located. Further, the housing cover 14 is shown, below which the suggestive stretched section 28 is located. The housing cover 14 is pivotally mounted on a frame 29.
  • the frame 29 here has six non-designated feet, which preferably carry the entire drafting system 2.
  • a box or box-like extension 30 At the gate assembly 8 side facing the drafting 2 has a box or box-like extension 30.
  • This box 30 comprises four circumferentially formed outer walls, one of which is provided with the reference numeral 32.
  • the front wall, here in the direction of the gate arrangement 8 facing end wall is not shown to provide a view into the interior of the box 30.
  • Inside is a vertically extending, transverse to the longitudinal extent of the drafting 2 extending intermediate wall 31 is used. This separates the interior of the box 30 in a front, in the direction of gate assembly 8 facing subspace, which serves for example the recording control components, and a rear, not visible here part.
  • FIG. 7 an air guide tube 37 is shown, which fluidly connects the stretch section 28 via a switching section 39 with an invisible, first air guide device.
  • This is coupled to the aforementioned Heilleitrohr 36, so discharged from the stretched section 28, possibly filled with foreign substances air over the Tube 37, the switching section 39 and the integrated in the box 30 first air guiding device is passed into the tube 36.
  • a second air guiding device is integrated in the box 30, which is designed and fluidically connected to the stretching section 28 such that air from the second air guiding device is preferably introduced into the side of the stretching section 28 facing the intake 13.
  • an air circuit from the second air guiding device via the stretching section 28, the tube 37, the switching section 39, the first air guiding device and the air guiding tube 36 emerges from the box 30.
  • the air duct 36 opens, as explained in more detail later, in the other, not shown here drafting 2 of the double section. 1
  • the air extraction system would have to be switched off if the entire, d. H. be shut off for both drafting 2, provided air extraction, combined with the disadvantages mentioned above.
  • the switching section 39 is provided.
  • the switching section 39 is designed to be open in terms of flow technology on its underside pointing in the direction of the floor. If the associated drafting system 2 must be switched off, the air flow is switched over the switching section in such a way that the flow direction from the stretching section 28 to the first air guiding device is blocked or blocked. At the same time, an air flow from the underside of the switching section 39 to the first air guiding device is released.
  • the switching can be realized for example by means of a pivoting flap, which in a first position, the bottom of the switching section 39 fluidly seals and is arranged substantially parallel to the longitudinal extent of the tube 37. In a second position, the flap is pivoted away about an axis in the direction of the underside of the switching section 39, ie from the floor.
  • the axis is located on the extension portion 28 facing the edge of the flap and extends substantially parallel to the floor and transverse to the longitudinal extension of the drafting system 2.
  • the flap In the specified second position, the flap is sealingly abuts with its free end to a corresponding inner surface of the switching, which in Towards the floor and limits the flow passage between the stretch section 28 and the first air deflector in the direction away from the floor.
  • FIG. 8 shows only the air flow technology relevant parts of the drafting system 2. These parts form, as explained in more detail below, an air extraction mechanism.
  • the feeder 13 with the tube 37 is preferably also fluidly connected, via two feed hoppers 40 with hoses connected thereto 44.
  • the so aspirated from the intake 13 air serves the purpose to dissipate in the feeder 13 occurring foreign substances, so that they stretch the section 28 do not even reach.
  • a kind of pre-cleaning takes place before the sliver material 17 is stretched and evened out.
  • the aforementioned, not designated opening is formed at one of the intake 13 not shown further side facing the first air guiding device forming the air guide 34.
  • a fan 42 is arranged at one of the intake 13 not shown further side facing the first air guiding device forming the air guide 34.
  • the air guide part 34 is designed to be open in the direction away from the intake 13 and is sealed fluidically by means of the intermediate wall 31, so that a closed flow channel is created.
  • a pipe 41 connects to the outside of the air guide part 34, pointing in the direction of intake 13, which flows fluidly into the drafting section 28, likewise not shown here.
  • the fan 42 is operated so that it presses air from the air guide 34 in the direction of pipe 41.
  • three openings formed in the wall 32 are sucked in by means of the fan 42 from the outside with respect to the box 30 via the arrangement intermediate wall 31 - air guide part 34 air and pressed over the tube 41 in the stretch section 28.
  • the Luftleitrohr 37 connects, which is formed in several parts in the example shown. It kinks, starting from the stretch section 28, in the direction of not shown box 30 from.
  • the tube 37 opens at its end facing the box 30 in the switching section 39. This in turn opens at the other end in an upper end of the second air guiding device.
  • this comprises an air guide tube 38, an air guide part 35 and the air guide tube 36.
  • the air guide part 35 connects the tubes 36, 38 to one another in terms of flow.
  • the air guide part 34 it is exemplarily open in the direction away from the intake 13 and is fluidically sealed by means of the intermediate wall 31.
  • FIG. 9 shows that too FIG. 7 analog box 30 of the other, in FIG. 1 lower drafting 2 of the double section 1 in different views
  • the box 30 of the second drafting system 2 is substantially, seen in the longitudinal direction of the drafting system 2, a mirror image of the in FIG. 7 illustrated box 30 formed. Ie. the wall 32 is here left.
  • the box 30 comprises an air guide part 48 as part of the second air guiding device formed here.
  • the air guide member 48 is arranged in an upper interior region of the box 30, the air guide member 48 is arranged. It connects to the wall 32 formed, here three openings 33 fluidly with an opening 55 in a feeder 13 facing the rear wall 53 of the box 30 (see. Figure 9a and Figure 9b ).
  • the air guide part 48 has a preferably open side in the direction of the rear wall 53 and is sealingly attached there.
  • the switching section 39 does not open into a first air guiding device but instead Frame portion 52.
  • the frame portion 52 is formed by means of two frame walls 52a, 52b, which enclose an angle of 90 ° by way of example and are attached to their opposite edges on inner sides of the box 30 fluidly sealing or formed.
  • the frame portion 52 is thus formed open at the switching portion 39 and the side opposite thereto. Its extension in the longitudinal direction of the drafting system 2 is shorter than a corresponding (depth) inner dimension of the box 30 in this direction. In order for air coming from the associated switching section 39 is sucked into a gap 54 of the box 30 (see. FIG. 9d ).
  • the wall 32 comprises analogous to the wall 32 of the other box 30 also has a lower opening 33. In this opens from the outside of the box 30 here not shown Heilleitrohr 36.
  • This opening 33 opens into a frame portion 51, which is similar to the frame portion 52 formed is.
  • the frame portion 51 is also formed by means of two frame walls 51 a, 51 b, which enclose an angle of 90 ° by way of example and are attached at their opposite edges on inner sides of the box 30 fluidly sealing or formed. Furthermore, both walls 51 a, 51 b are arranged sealingly on the rear wall 53.
  • the frame portion 51 is thus formed open only on the rear wall 53 opposite side. Its extension in the longitudinal direction of the drafting system 2 is also shorter than the corresponding dimension of the box 30.
  • incoming air is also sucked into the intermediate space 54 of the box 30.
  • the gap 54 of the box 30 is at the gate assembly 8, not shown, facing in FIG. 9a front side of the box 30 preferably sealed by means not shown doors fluidly.
  • a filter is preferably used in the form of a mat, which exemplarily, the entire cross-section of the intermediate space 54, seen along the longitudinal extent of the drafting system 2, fills.
  • a triangular wall portion 49 is formed here, which has an opening 50.
  • the wall part 49 preferably extends parallel to the rear wall 53 and abuts the filter at least in the region of the opening 50.
  • FIG. 9b shows the box 30 according to FIG. 9a , only without air guide 48.
  • the openings 33, 55 can be seen for the air guide 48, as in the box 30 according to FIG. 7 are designed for the air guide 34, only just mirror images of it.
  • FIG. 9c shows the box 30 of the feeder 13 facing, so in relation to the FIG. 9a Rear of the box 30 ago.
  • FIG. 9d shows the box 30 from the same perspective, but without the back wall 53.
  • the rear wall 53 is formed substantially in two parts.
  • the part of the rear wall 53 shown here has an opening in the region of a fan housing 56. This opening is closed by means of a flap, not shown here, belonging to the rear wall 53.
  • the flap is provided to allow a person access to a gap 57 of the box 30.
  • the intermediate space 57 is enclosed by the left front side wall of the box 30, a bottom wall 60 of the box 30, a sloping wall 59, the wall part 49 and the rear wall 53.
  • the fan housing 56 is formed by way of example screw housing and part of a centrifugal fan. This is the inlet side connected to the opening 50 in fluid communication and has on the output side with an opening 61 in the intermediate space 57.
  • the bottom wall 60 has an opening 58 which is arranged so from the radial fan, ie via the opening 61, exiting air from the box 30 can be discharged to the outside.
  • the air guide parts 34, 48 and the boxes 30 may be composed of similar parts, although the arrangement is realized in mirror image to each other, this keeps costs low and allows the use of standardized parts.
  • the air duct 36 is, if the intermediate portion 7 is formed like a pedestal, preferably laid under this. Ie. the air duct is laid between the intermediate section 7 and the floor, which is optically favorable. Furthermore, this arrangement leads to the fact that the air duct 36 is not in the way, resulting in no or only a very small risk of accident from the pipe 36. In addition, the tube 36 is protected from mechanical influences such as falling tools.
  • FIG. 10 shows an intermediate portion 7 according to an embodiment of the invention in plan view, ie in the direction not shown floor.
  • the intermediate section 7 does not include any steps 24. However, these could be provided on the end faces arranged here above and below.
  • the intermediate section 7 has a plate-like part 19 which has not designated recesses on the longitudinal sides. In this column sections 23 explained in more detail below are used and attached to the part 19.
  • FIG. 11 shows the intermediate section 7 of FIG. 10 in section along a line A - A in FIG. 10 ,
  • the passage openings 45 are countersunk from the opposite column section 23 side facing.
  • a countersunk screw can be screwed from this side of the column section 23 through the respective passage opening 45 into a corresponding part of the adjoining drafting unit 2, not shown, or can be locked thereto by means of a nut.
  • the respective column section 23 is attached to the associated drafting system 2.
  • the column sections 23 are provided with tips at the top, which increase their distance from one another in the direction of the tip. This results in Begehungs Scheme range of the part 19 no corner-like projections, which reduces the risk of tripping a person moving there.
  • the column sections 23 open into an example, plate-like bottom portion 40 connecting them.
  • six column sections 23 connecting bottom portion 46 may also be several, only one pair of mutually opposite transversely column portions 23 connecting bottom portions 46 may be provided ,
  • the associated column section 23 has a plurality of threaded bores 43 formed here as blind holes. These serve to attach the plate-like part 19 to an associated one of the column sections 23.
  • the plate-like part 19 on its longitudinal sides in the direction of bottom portion / s 46 extending projections 47 on.
  • Each projection 47 when formed continuously, each includes an unillustrated passage opening. Through each through hole, a screw 27 is guided from a side facing away from the adjacent column portion 23 side of the respective projection 47 forth and screwed into an associated threaded holes 43. This is a cross-sectional frame-like connecting portion 7 is formed.
  • the exemplary existing, other threaded holes 43 are used to mount the plate-like member 19 at different heights and / or inclinations with respect to the / the bottom portion / e 46 can.
  • the connecting portion 7 can be adapted to the local conditions.
  • the invention is not limited to the prescribed embodiments.
  • any type of gate arrangement can be used, provided that it is set up to deliver sliver material to two drafting units 2.
  • each can changer 3 is combined with each of the prescribed drafting 2.
  • the pedestals 18 are predictable in each embodiment or may be omitted.
  • the coupling of the operating terminal 15 with the drafting devices 2 or one or more of these controlling controller (s) need not be wired. It can also be wireless, for example by means of Bluetooth.
  • the described can changer 3 can also be arranged separately.
  • the risers 24 may be omitted in whole or in part or in any other way than the above-described staircase form.
  • the intermediate section 7 it is advisable to provide a ramp-like staircase at its end facing away from the gate arrangement 8.
  • a dirt container can be rolled up onto the intermediate section 7 for maintenance in order to be able to deposit material not extracted therefrom from the respective stretch section.
  • the intermediate portion 7 may also be plate-like or have a rising shape with respect to the floor.
  • the invention provides a simple and universally applicable solution to realize double sections, which allow a comfortable and safe operation with minimum space requirement.
  • the space requirement is reduced, in particular with regard to the width of the entire double-track 1. It can be used for cans of 1000 mm diameter linear can changers, which benefits the benefit. A can magazine is not necessary.
  • a periphery control cabinet, control, suction / filter box, operating terminal / display
  • drafting 2 both drafting 2 used.
  • the unaffected drafting unit 2 can continue to operate in the event of a fault. This also concerns maintenance / service, provided that they are only to be made on a drafting 2.
  • the distance between the two drafting units 2 can be chosen so large that an operation from the middle between the two drafting units 2 out is possible.
  • the settings on both drafting 2 can be made completely self-sufficient.
  • the stretching device 1 according to the invention with different materials or, for example, as a first or second passage easily possible.
  • the staircase 24 may be made variable in terms of its overall height and / or levels. This has the advantage that the height difference between the upper surface of the pedestal portion and the cover 26 and the maximum height of the underlying stretch portion 28 is constant to be able to hold. This allows a constant working height despite possibly differently high arranged cover 26 or stretch section 28. Depending on the difference in height of the pedestal section is thus higher or lower above the floor. Accordingly, in the area of the respective entrance 24, a part adapted to the height of the pedestal thus produced is arranged.
  • the space between pedestal section and, if present, also the respective staircase 24 to the floor can be used in addition to the implementation of a wiring or a flow device for the arrangement of various other components such as a transformer.
  • the drafting system 2 can be used with control terminal 15 as Einkopfvorshare.
  • control terminal 15 as Einkopfvorshare.
  • odd section numbers are feasible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP16189621.2A 2015-11-03 2016-09-20 Dispositif d'étirage Active EP3165636B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015118764.7A DE102015118764A1 (de) 2015-11-03 2015-11-03 Streckvorrichtung

Publications (2)

Publication Number Publication Date
EP3165636A1 true EP3165636A1 (fr) 2017-05-10
EP3165636B1 EP3165636B1 (fr) 2021-06-30

Family

ID=56958838

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16189621.2A Active EP3165636B1 (fr) 2015-11-03 2016-09-20 Dispositif d'étirage

Country Status (3)

Country Link
EP (1) EP3165636B1 (fr)
CN (1) CN106637550B (fr)
DE (1) DE102015118764A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112739860A (zh) * 2018-10-12 2021-04-30 特吕茨施勒有限及两合公司 用于纤维条运输设备的罗拉和以此配备的纤维条运输设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018117752A1 (de) * 2018-07-23 2020-01-23 Maschinenfabrik Rieter Ag Abzugsvorrichtung und Spinnereivorbereitungsmaschine

Citations (3)

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Publication number Priority date Publication date Assignee Title
US4974296A (en) * 1990-02-23 1990-12-04 Platt Saco Lowell Corporation, Inc. Apparatus for correcting irregularities in a textile strand
EP0799916A2 (fr) * 1996-04-02 1997-10-08 Maschinenfabrik Rieter Ag Machine de peignage avec un banc d'étirage contrÔlé
DE102008000920A1 (de) * 2008-04-01 2009-10-08 Rieter Ingolstadt Gmbh Doppelkopfstrecke

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Publication number Priority date Publication date Assignee Title
IT1241035B (it) * 1990-12-21 1993-12-27 Sant Andrea Novara Spa Impianto e procedimento per lo stiro di nastri di fibre tessili, lavorante in continuo.
DE19609515A1 (de) * 1996-03-11 1997-09-18 Zinser Textilmaschinen Gmbh Verfahren und Vorrichtung zum Umwinden von aus einer Spinnkanne einer Spinnmaschine ablaufendem Faserband mit endlosem Filamentgarn
CN201232097Y (zh) * 2008-07-22 2009-05-06 河北太行机械工业有限公司 一种双眼并条机罗拉传动装置
CN201627027U (zh) * 2010-02-27 2010-11-10 杭州东夏纺机有限公司 并条机自动换筒装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4974296A (en) * 1990-02-23 1990-12-04 Platt Saco Lowell Corporation, Inc. Apparatus for correcting irregularities in a textile strand
EP0799916A2 (fr) * 1996-04-02 1997-10-08 Maschinenfabrik Rieter Ag Machine de peignage avec un banc d'étirage contrÔlé
DE102008000920A1 (de) * 2008-04-01 2009-10-08 Rieter Ingolstadt Gmbh Doppelkopfstrecke

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112739860A (zh) * 2018-10-12 2021-04-30 特吕茨施勒有限及两合公司 用于纤维条运输设备的罗拉和以此配备的纤维条运输设备
CN112739860B (zh) * 2018-10-12 2022-07-12 特吕茨施勒集团欧洲公司 用于纤维条运输设备的罗拉和以此配备的纤维条运输设备

Also Published As

Publication number Publication date
CN106637550B (zh) 2019-11-29
EP3165636B1 (fr) 2021-06-30
CN106637550A (zh) 2017-05-10
DE102015118764A1 (de) 2017-05-04

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