EP3788191B1 - Ballenöffner mit einem maschinengestell in portalbauweise und mit einer an dem maschinengestell angeordneten abnehmereinheit - Google Patents

Ballenöffner mit einem maschinengestell in portalbauweise und mit einer an dem maschinengestell angeordneten abnehmereinheit Download PDF

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Publication number
EP3788191B1
EP3788191B1 EP19704746.7A EP19704746A EP3788191B1 EP 3788191 B1 EP3788191 B1 EP 3788191B1 EP 19704746 A EP19704746 A EP 19704746A EP 3788191 B1 EP3788191 B1 EP 3788191B1
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EP
European Patent Office
Prior art keywords
unit
pick
bale opener
accordance
machine frame
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.)
Active
Application number
EP19704746.7A
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German (de)
English (en)
French (fr)
Other versions
EP3788191A1 (de
Inventor
Alexander Loos
Markus Schmitz
Johannes Bossmann
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 Group SE
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Truetzschler Group SE
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Publication date
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Publication of EP3788191A1 publication Critical patent/EP3788191A1/de
Application granted granted Critical
Publication of EP3788191B1 publication Critical patent/EP3788191B1/de
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G7/00—Breaking or opening fibre bales
    • D01G7/06—Details of apparatus or machines
    • D01G7/14—Driving arrangements

Definitions

  • the invention relates to a bale opener for opening compressed fiber bales that have been set up in an erecting direction, with a machine frame and with a doffer unit, the doffer unit being arranged on the machine frame so that it can be adjusted in height and the machine frame being movable in the erecting direction, so that the fiber bales can be driven over with the doffer unit and wherein the doffer unit is suspended from the machine frame by means of at least one traction means, wherein the traction means for adjusting the height of the doffer unit on the machine frame is operatively connected to a drive motor.
  • a bale opener for opening pressed fiber bales and set up in an erecting direction.
  • the bale opener has a machine frame with a pickup unit, and the pickup unit is arranged on the machine frame so that it can be adjusted in height.
  • the machine frame can be moved in the erecting direction, so that the fiber bales can be driven over with the doffer unit, and the doffer unit is suspended from the machine frame by means of at least one traction device.
  • the traction means for adjusting the height of the pickup unit on the machine frame is operatively connected to a drive motor arranged on the top side of the machine frame.
  • the traction means is formed by a chain drive, and the pickup unit is mounted vertically with carriages that are integrated in the side walls of the machine frame. Consequently, the pickup unit extends laterally into the side walls of the machine frame, with the motor being arranged on the top side of the machine frame in order to move the pickup unit vertically via the chain drive.
  • the drive motor for moving the pickup unit is arranged on the upper side of the portal profiles, which, together with the side walls, form the machine frame form and connect the side walls with each other, which further increases the overall height of the bale opener.
  • gear means arranged on the top side of the machine frame for connecting the drive motor to the chain drive increasing the overall height of the machine frame.
  • the U.S. 4,507,826 A discloses a further bale opener for opening pressed fiber bales and set up in an erecting direction, and the bale opener has a machine frame with a take-off unit arranged on the machine frame so that it can be adjusted in height.
  • the pickup unit is mounted on the machine frame via threaded rods, and spindle motors are located on the pickup unit, which can move in the height direction when the spindle rods rotate.
  • Spindle nuts assigned to the spindle rods are located on both end sides of the pickup unit, and the spindle rods are accommodated in the side walls of the machine frame.
  • a complex synchronization of the spindle rods is required to ensure the horizontal position of the pickup unit even when the height is adjusted.
  • bale openers can be found in the EP 0266629 A2 and the WO 2013/076739 A2 .
  • the object of the invention is the further development of a bale opener with an improved arrangement of a pickup unit on the machine frame of the bale opener.
  • the design effort for adjusting the height of the pickup unit on the machine frame should be minimized, the machine frame still being as low as possible, and a top-side arrangement of a drive motor for height adjustment of the pickup unit being avoided.
  • the invention includes the technical teaching that the at least one traction means is guided around a deflection roller arranged on the top side of the machine frame, with a first end of the traction means being connected to the doffer unit and with a second end of the traction means resting on a traction means roller arranged on the doffer unit. and can be unwound, the drive motor being arranged on the pickup unit and being operatively connected to the traction roller.
  • the core idea of the invention is the suspension of the pickup unit on the top of the machine frame via a looped traction device that loops around an associated deflection roller on the upper part of the machine frame.
  • the drive motor arranged on the pickup unit can be moved vertically with the pickup unit. In a certain way, when moving vertically, the doffer unit pulls itself up on the machine frame with the traction means when the drive motor is activated.
  • the drive motor is operatively connected to the traction roller so that it can be set in rotation.
  • the traction mechanism roller is rotated by the drive motor in a direction in which the traction mechanism is wound onto the traction mechanism roller, and if the pickup unit is to be moved vertically downwards, the traction mechanism roller is rotated by the drive motor in an opposite direction , so that the traction device is unwound from the traction device role again.
  • the arrangement of the drive motor on the pickup unit itself means that the drive motor does not have to be arranged on the top side of the machine frame, so that the overall height of the machine frame can be correspondingly reduced.
  • the structural complexity of the machine frame itself is also reduced, since no traction means arranged laterally in the side walls of the machine frame have to be driven.
  • bale opener provides that the machine frame has a first side wall and an opposite second side wall, with the pickup unit and the traction means being arranged essentially and in particular completely in a space between the two side walls. This means that no lateral component of the pickup unit protrudes into the side walls, for example to create an arrangement of a traction mechanism within the side walls, and an installation space is created in the side walls that is suitable for accommodating other operating means for operating the bale opener.
  • the pickup unit is guided on the side walls in a simple manner, so that the overall design effort for the vertically adjustable arrangement of the pickup unit on the machine frame is simplified.
  • two mutually parallel portal profiles are formed between the side walls, which are part of the machine frame and which extend in a transverse direction and which are connected to the side walls with their ends in the area of the upper corners of the latter.
  • the deflection roller can be arranged at least indirectly on the portal profiles around which the respective traction means is looped.
  • bridge elements extending on the profiles in the erection direction are used with particular advantage, with two traction means preferably being provided for accommodating the doffer unit, so that two deflection rollers are also arranged on the top side of the machine frame.
  • two bridge elements are thus provided, which are spaced apart from one another and preferably arranged on the portal profiles in the end regions of the portal profiles, with which these are connected to the side walls, and are placed on them, for example, on the upper side.
  • the bridge elements are either C-shaped or trapezoidal in shape and rest on the top of the portal profiles with two opposite end sides.
  • the deflection rollers are accommodated in the center of the bridge elements, so that they are preferably arranged centered over the spaced, parallel portal profiles. So it can too respective traction means are arranged centrally on the machine frame, so that the pickup unit can be guided on the machine frame essentially free of moments.
  • the doffer unit is suspended from two traction means, the traction means being arranged close to the end sides of the doffer unit lying in the transverse direction, and the traction means rollers being arranged on a common drive shaft.
  • the distance between the traction mechanism rollers preferably corresponds to the distance between the deflection rollers, and the first ends of the traction mechanism are also connected to the pickup unit at the same distance. If the drive motor is activated, both pulleys rotate with the same rotational movement, and consequently both pulleys can be wound onto the pulleys with the same length. This ensures that the pickup unit has a horizontal extension at every altitude.
  • the drive motor is advantageously connected to the drive shaft by means of a gear.
  • the transmission can be designed in such a way that the drive shaft extends through the transmission through a receiving opening, so that a first traction element roller is accommodated on a first side of the transmission on the drive shaft and a second traction element roller on an opposite, second side of the transmission on the drive shaft is recorded.
  • the pickup unit has a brake unit which is connected to the drive motor.
  • the brake unit is arranged on the drive motor, in particular on a rear side of the motor, with the transmission being arranged on a front side of the motor.
  • the drive motor, the gear and the brake unit can form a structural unit.
  • the structural unit has a through opening at the transmission output, through which the drive shaft can be passed.
  • the drive shaft is connected in a torque-transmitting manner to an output gear of the transmission.
  • a further essential advantage for operating the bale opener is achieved if rotary sensors are arranged on the deflection rollers, with which a height position of the pickup unit can be detected.
  • rotation sensors are also suitable for detecting travel speeds. For example, when the bale opener is switched on, the pickup unit can be moved to a reference position so that, starting from the reference position, the height position of the pickup unit can be detected via the rotary sensors and made available to an electrical control unit.
  • the rotation sensor can be used, for example, as a control circuit element for controlling the vertical displacement speed.
  • connection of the first end of the traction means to the pickup unit includes a force detection unit, with which a tensile force in the traction means can be detected. Since the weight of the doffer unit is known, a supporting force of the doffer unit on the fiber bales can be calculated by a current detection of the tensile force in the traction means, in particular with the electrical control unit. If the pickup unit presses on the upper side of the fiber bale with a greater supporting force, the tensile force in the traction means is reduced, and the difference between the weight of the pickup unit and the determined tensile force in the traction means can be used to calculate the supporting force of the pickup unit on the upper side of the fiber bale.
  • a preferred variant for the formation of the traction means results when these are formed from tension straps made of a rubber material with integrated steel tension members.
  • tension straps made of a rubber material with integrated steel tension members.
  • Such tie rods are known, for example, from elevator construction for accommodating a driver's cabin and can withstand high mechanical loads.
  • the drawstrings have a very large transmittable tensile force, which can also be wound up with a very large number of repetitions on traction rollers.
  • such traction means are maintenance-free and structurally easier to integrate into the bale openers than, for example, a chain drive.
  • the figures 1 and 2 show a bale opener 1 with the features of the present invention in two different perspective views.
  • the bale opener 1 is used for milling off the upper side of fiber bales 100 that are set up in a set-up area 28 on a floor 27 in several rows next to one another in a set-up direction 10 .
  • the machine frame 11 has a first side frame 17 and a second side frame 18, and between the two side frames 17 and 18 two spaced-apart portal profiles 19 extend.
  • the side walls 17 and 18 have rollers 29 and 30, and a running rail 31, on which the rollers 29 on the first side wall 17 are guided, serves to guide the machine frame 11 in the installation direction 10.
  • the stripper unit 12 has two stripper rollers 32 and three back-up rolls 33 on an underside, the stripper rollers 32 being located between the back-up rolls 33, and all the rolls 32 and 33 running parallel to one another in a transverse direction 20. There are gratings 34 in front of the doffer rollers 32. If the rollers 32 and 33 are set in rotation, the doffer rollers 32 pick up flake-like components from the pressed fiber bales 100, and the fiber tufts are sucked off via a suction device 35 and fed to their further use.
  • the suction device 35 comprises a suction hood 36, which is located on the upper side of the pickup unit 12 and to which a spiral hose 37 leading vertically upwards is connected.
  • the spiral hose 37 is connected at the top to a suction air duct 38 which introduces the suction air into the first side wall 17 at the top.
  • the suction air duct 38 is thus connected to the upper side of the first side wall 17 in a self-supporting manner, and the spiral hose 37 is located in a hanging arrangement at the end of the suction air duct 38.
  • the suction air travels through the first side wall 17 and arrives via a channel 39 together with the fiber tufts a processing station.
  • the bale opener 1 is manually controlled via a control panel 40 which, for example, is set up at a head end of the channel 39 .
  • the bale opener 1 is supplied with electricity via a connection box 41 which is located at the same head end of the channel 39 .
  • a power and signal connection 42 comprising a cable chain unit 43 can be used to produce an electrical supply and a signal connection to the movable machine body 11, with the power and signal connection 42 being located on the side of the channel 39.
  • a driver 44 forms the movable connection of the cable chain unit 43 and is connected to a belt lifting unit 45 which is connected to the first side wall 17 and is consequently moved along with the movement of the machine frame 11 in the erection direction 10 .
  • the tape lifting unit 45 is used to lift a cover tape 46 which covers the channel 39 on the top side.
  • Traction means 13 are used to move the doffer unit 12 vertically and pick it up while it is hanging on the machine frame 11.
  • the traction means 13 are accommodated within bridge elements 21 via deflection rollers.
  • the bridge elements 21 extend in the erecting direction 10 and are supported on the upper side on the portal profiles 19 which extend in the transverse direction 20 .
  • FIG. 3 Another view of the bale opener 1 is shown with the machine frame 11, which is essentially made up of the first side panel 17, the second side panel 18 and the two portal profiles 19 extending in the transverse direction 20.
  • the portal profiles 19 are at the upper corners of the side panels 17 , 18 attached, and connect the side panels 17, 18 rigidly together.
  • the spiral hose 37 which is fastened to the pickup unit 12 via the suction hood 36 , is passed here in the middle between the portal profiles 19 .
  • the pickup unit 12 is held on the machine frame 11 by means of two traction means 13 arranged at a distance from one another, so that the pickup unit 12 hangs on the two traction means 13 with the full weight force.
  • the traction means 13 are looped around deflection rollers 15, and the deflection rollers 15 are accommodated on bridge elements 21 and are at least partially covered by them.
  • the bridge elements 21 extend in the erecting direction 10, while the portal profiles 19 extend in the transverse direction 20.
  • the bridge elements 21 are connected to the top of the portal profiles 19 with their two end sides, and the deflection rollers 15 are located here somewhat eccentrically on the bridge elements 21.
  • the traction means 13 thus run vertically downwards somewhat eccentrically between the two portal profiles 19 and accept the doffer unit 12 their outsides up.
  • a first end of each traction device 13 is firmly attached to the pickup unit 12 and a second end can be wound up and unwound on a traction device roller 16 provided for this traction device 13 .
  • the traction rollers 16 are accommodated on the pickup unit 12 itself.
  • a drive motor 14 is used to drive the traction rollers 16 , the drive motor 14 also being accommodated on the pickup unit 12 .
  • the drive connection between the drive motor 14 and the two traction rollers 16 is formed by a drive shaft 22, with the drive motor 14 driving the drive shaft 22 by means of a gear 23.
  • Both traction rollers 16 are mounted on the drive shaft 22 at a distance that also corresponds to the distance between the two deflection rollers 15 on the bridge elements 21 is equivalent to.
  • a second drive motor can also be provided, which drives the traction roller 16, which is driven here via the drive shaft 22.
  • the drive motor 14 is operated in such a way that the drive shaft 22 and thus the traction element rollers 16 are rotated in order to wind the traction element 13 onto the traction element rollers 16. If the pickup unit 12 is to be moved vertically downwards, the direction of rotation of the drive motor 14 and thus of the drive shaft 22 is reversed, and the traction mechanism 13 unwinds from the respective traction mechanism roller 16 again. The rigid connection of the traction means 13 to the pickup unit 12 is changed just as little as the looping position of the traction means 13 around the deflection rollers 15 on the bridge elements 21.
  • FIG. 4 shows a detailed view of the connection of the traction device 13 to a first end side of the pickup unit 12, the fixed connection of the first end of the traction device 13 comprising a force detection unit 25 with which the tensile force in the traction device 13 can be determined. Also shown is the traction roller 16 onto which the opposite end side of the traction means 13 can be wound and unwound when the drive shaft 22 is set in rotation, on which the traction roller 16 is rigidly received.
  • the drive shaft 22 is rotatably mounted on the frame of the pickup unit 12 via a shaft bearing 47 .
  • figure 5 shows with reference to 4 the opposite second end side of the pickup unit 12 and thus also of the drive shaft 22 on which the further traction roller 16 is accommodated.
  • the transmission 23 is designed in such a way that the drive shaft 22 can extend through it and the traction mechanism 13 is also attached at a first end to the pickup unit 12 via a further force detection unit that is not visible, and a second end of the traction mechanism 13 can be mounted on the traction mechanism roller 16 be wound up and down.
  • the drive motor 14 is embodied as a unit with the transmission 23, and there is a brake unit 24 on the rear of the drive motor 14. If the brake unit 24 is activated, it can be ensured that the vertical position of the pickup unit 12 does not change.
  • the view also shows a guide profile 26, which is attached to the side panel, not shown.
  • the guide profile 26 preferably protrudes into the space between the two side walls and an arrangement of non-visible guide rollers on the doffer unit 12 ensures vertical guidance of the doffer unit 12 on the machine frame, with another guide profile being able to be arranged in the same way on the opposite side wall.
  • the guide profile(s) 26 can be designed in any way, be it by means of a one-piece design or attachment to the respective side panel, for example by means of screwing.
  • Aluminum, for example has proven to be a suitable material for the respective guide profile 26 and thus contributes to the low overall weight of the bale opener 1 .
  • At least one first guide roller (not shown) is provided, which rolls on a surface of the respective guide profile 26 facing the pickup unit 12 and is freely rotatably mounted on the pickup unit 12.
  • the axis of rotation of this at least one first guide roller runs in the erecting direction.
  • several, preferably four, guide rollers, also not shown here, are provided on the pickup unit 12 .
  • the axes of rotation of these several guide rollers run parallel to one another, perpendicular to the installation direction and parallel to the floor 27 or the running rail 31.
  • At least one guide roller is arranged to roll on a surface of the respective guide profile 12 that is now facing the direction of travel, and at least two other guide rollers are on this surface Away from, also driving surface of the respective guide profile 12 arranged rolling. This results in very simple, precise guidance of the doffer unit 12 on the machine frame 11.
  • a switching lug is preferably arranged on at least one of the roller mounts required for the guide rollers.
  • this is the roller mount that is arranged highest, that is to say has the greatest distance from the floor 27 . This allows the drive motor 14 to switch off when it reaches the highest vertical position or to detect when the pickup unit 12 has reached this maximum vertical position. Additionally or alternatively, a switching flag can be provided to determine when the pickup unit 12 has reached its lowest vertical position. This increases the operational reliability of the entire bale opener 1.
  • the invention is not limited in its implementation to the preferred exemplary embodiment given above.
  • the drive shaft 22 can be omitted, and the 4 shown traction means 13 is provided with its own drive.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Storage Of Harvested Produce (AREA)
EP19704746.7A 2018-05-04 2019-01-31 Ballenöffner mit einem maschinengestell in portalbauweise und mit einer an dem maschinengestell angeordneten abnehmereinheit Active EP3788191B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018110677.7A DE102018110677A1 (de) 2018-05-04 2018-05-04 Ballenöffner mit einem Maschinengestell in Portalbauweise und mit einer an dem Maschinengestell angeordneten Abnehmereinheit
PCT/EP2019/052376 WO2019211013A1 (de) 2018-05-04 2019-01-31 Ballenöffner mit einem maschinengestell in portalbauweise und mit einer an dem maschinengestell angeordneten abnehmereinheit

Publications (2)

Publication Number Publication Date
EP3788191A1 EP3788191A1 (de) 2021-03-10
EP3788191B1 true EP3788191B1 (de) 2023-03-08

Family

ID=65409049

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19704746.7A Active EP3788191B1 (de) 2018-05-04 2019-01-31 Ballenöffner mit einem maschinengestell in portalbauweise und mit einer an dem maschinengestell angeordneten abnehmereinheit

Country Status (4)

Country Link
EP (1) EP3788191B1 (zh)
CN (1) CN112055764B (zh)
DE (1) DE102018110677A1 (zh)
WO (1) WO2019211013A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022117605A1 (de) 2022-07-14 2024-01-25 Trützschler Group SE Ballenöffner und Verfahren zum Betreiben des Ballenöffners
DE102022121806A1 (de) 2022-08-29 2024-02-29 Trützschler Group SE Ballenöffner und Verfahren zur Fremdkörpererkennung mit einem Ballenöffner

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4507826A (en) 1982-10-13 1985-04-02 Keller Alex J Method and apparatus for opening fiber bales
DE3637578A1 (de) * 1986-11-04 1988-05-11 Schubert & Salzer Maschinen Vorrichtung zum selbsttaetigen oeffnen und mischen von faserballen
DE3734480A1 (de) 1987-10-12 1989-04-27 Schubert & Salzer Maschinen Verfahren und vorrichtung zum oeffnen von faserballen
DE3943322A1 (de) * 1989-12-29 1991-07-04 Rieter Ag Maschf Verfahren und vorrichtung zum betrieb einer ballenabtragmaschine
DE9414134U1 (de) * 1993-09-24 1995-01-26 Trützschler GmbH & Co KG, 41199 Mönchengladbach Vorrichtung zum Abtragen von Faserflocken von Textilfaserballen, z.B. Baumwolle, Chemiefasern o.dgl.
FR2933967A1 (fr) * 2008-07-15 2010-01-22 Access Control Safety Motorisation de nacelle elevatrice sur profil
IT1396418B1 (it) * 2009-11-16 2012-11-23 Marzoli Spa Dispositivo e metodo per il prelievo automatico di fibra da balle di fibra in una linea di filatura.
US20110266096A1 (en) * 2010-04-29 2011-11-03 Jacob Johannes Nies Elevator for wind energy systems
WO2013076739A2 (en) * 2011-11-18 2013-05-30 Lakshmi Machine Works Ltd. An improved holding arrangement for plucking head field of the invention
CH712410A1 (de) * 2016-04-29 2017-10-31 Rieter Ag Maschf Ballenöffner.

Also Published As

Publication number Publication date
CN112055764B (zh) 2023-04-28
BR112020019903A2 (pt) 2021-03-23
EP3788191A1 (de) 2021-03-10
WO2019211013A1 (de) 2019-11-07
CN112055764A (zh) 2020-12-08
BR112020019903A8 (pt) 2022-07-05
DE102018110677A1 (de) 2019-11-07

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