WO2019211017A1 - Brise-balles destiné à l'ouvraison de balles de fibres comprimées, doté d'un système de protection contre les collisions - Google Patents

Brise-balles destiné à l'ouvraison de balles de fibres comprimées, doté d'un système de protection contre les collisions Download PDF

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Publication number
WO2019211017A1
WO2019211017A1 PCT/EP2019/053023 EP2019053023W WO2019211017A1 WO 2019211017 A1 WO2019211017 A1 WO 2019211017A1 EP 2019053023 W EP2019053023 W EP 2019053023W WO 2019211017 A1 WO2019211017 A1 WO 2019211017A1
Authority
WO
WIPO (PCT)
Prior art keywords
flap
bale opener
machine frame
movement
pickup unit
Prior art date
Application number
PCT/EP2019/053023
Other languages
German (de)
English (en)
Inventor
Franz-Josef Minter
Markus Schmitz
Original Assignee
Trützschler GmbH & 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 Trützschler GmbH & Co.KG filed Critical Trützschler GmbH & Co.KG
Priority to CN201980029507.0A priority Critical patent/CN112055762B/zh
Priority to EP19706904.0A priority patent/EP3788189A1/fr
Publication of WO2019211017A1 publication Critical patent/WO2019211017A1/fr

Links

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
    • D01G7/04—Breaking or opening fibre bales by means of toothed members

Definitions

  • Bale opener for opening pressed fiber bales with a collision protection system
  • the invention relates to a bale opener for opening pressed and erected in an erection fiber bale, with a machine frame and with a pickup unit, wherein the pickup unit is vertically adjustable on the machine frame and wherein the machine frame is movable in the installation direction, so that the fiber bales are traversable with the pickup unit and fibrous material being removable from the fiber bales, the machine frame having a gantry construction with a first side cheek and a second side cheek, and wherein the side cheeks are interconnected by at least one transversely extending portal profile.
  • the invention further relates to a method for controlling a protection system of a bale opener.
  • EP 0 435 816 A1 discloses a bale opener in a tower construction with a pick-off unit projecting on one side.
  • the bale opener is equipped with a protection system to prevent the doffer rollers from running freely, so that an operator can not get in touch with the doffer rollers in operation.
  • the security concept sees For this purpose, an initial passage in order to detect the bale formation of the established fiber bales geometrically before the start of the actual removal process, and then to apply deviations from the detected bale formation of a possible interruption of the operation of the pickup rollers.
  • EP 0 533 619 B1 discloses a bale opener for opening pressed fiber bales erected in an erecting direction.
  • the bale opener is also designed in a tower design and has a collision sensor on the tower itself, so that in a simple way can not be complete monitoring of the moving components of the bale opener in the direction of movement of the machine frame.
  • the pickup unit projecting from the tower must be separately monitored. In this case, monitoring of the pickup unit itself against collisions is only possible to a limited extent, since a distinction must be made between a foreign body, for example an operator, and the fiber bale itself.
  • the object of the invention is to provide a bale opener with an improved protection system. It is the particular object of the invention to avoid field monitoring by means of appropriate sensors and in particular it is the object of the invention to avoid unfounded interruptions of the operation of the bale opener and still provide a secure collision monitoring of the range of motion of the machine frame.
  • the invention includes the technical teaching that is arranged on the first side cheek and on the second side cheek each pointing in the directions of movement of the machine frame collision sensor.
  • the inventive Bale opener is thus provided for opening pressed and set up in a Aufstellcardi on a floor fiber bale. It has a machine frame, which is arranged to be movable in the installation direction and has a gantry construction with a first side wall and with a second side wall. Furthermore, the bale opener in a known manner via a pickup unit.
  • the pickup unit comprises at least one pickup roller.
  • the pickup unit is arranged vertically adjustable on the machine frame and arranged to run over the fiber bales during the process of the machine frame in order to remove fibers from the fiber bales by means of the at least one pickup roller.
  • the collision sensors are formed contactless and further preferably have on the respectively associated side wall, on which so the respective collision sensor is arranged, a detection range of 400 mm 1,000 mm and / or from 600 mm to 800 mm. This makes it possible to adjust the sensitivity of the sensors to the particular conditions on site. Moreover, these gauges provide a good compromise between safety and the desired continuous operation of the bale opener.
  • the pickup unit has two side flaps, each pointing in the directions of movement, which are arranged movably on the pickup unit in an opening direction and a closure direction opposite thereto. Furthermore, the pickup unit has a flap monitoring means, by means of which a movement of an associated one of the side flaps can be monitored at least in a closed position or out of a closed position.
  • this object will cause the removal unit to move the side flap beyond the closure position in the direction of the pickup unit into or onto the other pickup unit (for example pressed in) .
  • This movement of the side flap is detected by means of the flap monitoring means, and a corresponding signal can be provided, for example to delay or stop the movement of the machine frame, and in particular to put the at least one pickup roller out of operation.
  • a corresponding signal can be provided, for example to delay or stop the movement of the machine frame, and in particular to put the at least one pickup roller out of operation.
  • the flap monitoring means also recognizes the opening movement, and Similarly, the movement of the machine frame can be delayed or stopped and / or the operation of the at least one pickup roller can be stopped.
  • the at least one side flap is arranged pivotably. That the movement in the opening or closing direction is realized by means of the pivotability.
  • This type of movement makes it possible to use one and the same element, namely the relevant side flap, for collision checking.
  • the respective side flap is on the upper side, that is arranged on a side facing away from the ground on which the bale opener, pivotable side on the pickup unit. This prevents accidental opening of the relevant side flap due to their own weight.
  • the flap monitoring means comprises a flap plunger.
  • the flap plunger and the associated side flap according to the invention are arranged such that the flap plunger against the side flap comes into contact when it is pivoted in a closed position or is.
  • a reliable triggering of the flap monitoring means is possible since electrical energy for triggering the flap monitoring means can be dispensed with.
  • the flap plunger on a switching contour, against which a probe of an electrical switch is guided.
  • the switching contour allows in particular a safe triggering of the flap monitoring means.
  • the switching contour is formed so that the electrical switch is triggered when the flap plunger, pressed from a closed position of the side flap, both in the closing direction of the side flap and in a direction opposite to the closing direction, opening direction of the side flap.
  • the flap plunger is biased in particular with a spring element, and if the flap plunger is moved in only one of the two directions of its longitudinal extent, the electrical switch triggers a respective same signal.
  • the flap monitor performs a dual function. It can detect both the opening of the side flap and the pressing of the side flap beyond the closing position in the direction of other pickup unit and thus the presence of an obstacle, so that in both cases, the aforementioned security measures can be initiated.
  • a tactile switching element pointing in each direction of movement of the machine frame is arranged on the side cheeks in a region near the ground.
  • the tactile switching elements advantageously comprise cladding elements, which are movably received on the side cheeks for actuating the switching elements. If such a cladding element, for example, pressed in the direction of other side cheek, the tactile switching element is activated, and it can be provided a signal.
  • Near the ground means in the context of the invention an arrangement that the respective switching element when moving in the direction of the aforementioned objects located on the ground safely abuts against these and, if the object can not be pushed away, safely operated.
  • Object is functional meant. So also the foot of a person is to be understood by this term.
  • the invention further relates to a method for controlling a protective system of one of the aforementioned bale openers.
  • This method provides a safety step, which is performed when at least one of the aforementioned collision sensors on the side cheeks senses a foreign body, so triggers.
  • the safety step preferably comprises slowing down, stopping or reversing at least the movement of movement of the machine tool. stells. The reversing can be provided since the braking of the machine position usually includes a braking distance, in which the pickup unit could get over the obstacle. Otherwise, if this obstacle represents a person, it may not be released. For an item, it may not be removed.
  • the safety step comprises stopping the at least one pickup roller. This serves the purpose of avoiding damage to the detected obstacle (person / object). Alternatively, it can be provided to first reverse the at least one pick-up roller a piece and then stop. This could be released again by means of the respective pickup roller entrained material.
  • the method may provide that the safety step is carried out when one of the tactile switching elements is triggered on the side cheeks.
  • the method according to the invention preferably provides to perform the safety step when the electric switch of the valve monitoring device triggers.
  • the particular advantage of the method according to the invention lies in the fact that field protection for the safe operation of the bale opener is no longer absolutely necessary, the field protection ensuring the entire installation area of the fiber bales.
  • FIG. 1 is a first perspective view of a bale opener with the features of the invention
  • FIG. 2 is a second perspective view of the bale opener with the features of the invention
  • Fig. 3 is a perspective view of the bale opener with exemplified light barriers
  • FIG. 4 shows a perspective detailed view of the flap monitoring means.
  • FIGS 1 and 2 show in two different perspective views of a bale opener 1 with the features of the present invention.
  • the bale opener 1 is used for top-side milling of fiber bales 100, which are set up in a set-up area 28 on a floor 50 in several rows next to one another in an installation direction 10.
  • a pickup unit 12 For milling off the upper side of the fiber bales 100 is a pickup unit 12 which is movably received on a machine frame 1 1 in a height direction.
  • the machine frame 1 1 has a first side wall 13 and second side wall 14, and between the two side cheeks 13 and 14, two spaced apart portal profiles 16 extend.
  • the side cheeks 13, 14 have rollers 43 and 44, and for guiding the machine frame 11 in the erecting direction 10 is a guide rail 52, on which the rollers 43 are guided on the first side cheek 13.
  • the rollers 44 which are located on the second side cheek 14 underside, run over the bottom 50th on which also the fiber bales 100 are placed, and on which the running rail 31 is mounted.
  • the pickup unit 12 has on a lower side two doffer rollers 25 and three support rollers 32, wherein the doffer rollers 25 are located between the support rollers 32, and wherein all rollers 25, 32 parallel to each other in the transverse direction 15. If the rollers 25, 32 are set in rotation, take the pickup rollers 26 flake-like components from the pressed fiber bales 100, and the fiber flakes are sucked through the suction device 26 and fed to their further use.
  • the suction device 26 comprises a suction hood 34, which is located on the upper side of the pickup unit 12 and to which a vertically upwardly leading spiral tube 35 connects.
  • the spiral tube 35 may vary in length, and the spiral tube 35 is connected to the top side of a suction air duct 36, which introduces the suction air in the first side cheek 13 on the upper side.
  • the suction duct 36 is self-supporting connected to the top of the first side wall 13, and the spiral tube 35 is in a hanging arrangement at the free end of Saugluftschachtes 36.
  • the suction air passes through the first side wall 13 and passes through a channel 27 together with the fiber flakes to a processing station.
  • the manual control of the bale opener 1 via a control panel 37 which is set up by way of example on a head side of the channel 27.
  • the electrical supply of the bale opener 1 via a junction box 38 which is located at the same head end of the channel 27.
  • a power and signal connection 29 comprising a cable chain unit 30
  • an electrical supply as well as a signal connection to the movable machine frame 1 1 can be produced.
  • the, wherein the power and signal connection 29 is laterally on the channel 27.
  • a driver 39 forms the movable connection of the channel chain unit 30 and is connected to a Bandhebeech 40, which is connected to the first side wall 13 and consequently with the movement of the machine frame 11 in the installation direction 10 is moved.
  • the bath lifting unit 40 is used to lift a cover strip 45 which covers the upper side of the channel 27.
  • the pickup unit 12 On the two parallel between the side walls 13, 14 extending portal profiles 16 two bridge elements 51 are applied to which the pickup unit 12 is suspended by means of traction means 41 movable in height.
  • the pickup unit has side flaps 19 on both sides, which can be opened in order, in particular, to reach the take-off rollers 25 and the support rollers 32 for maintenance and cleaning purposes.
  • a tactile switching element 18 is shown on the side cheek 14 and in Fig. 2 on the first side cheek 13 and on the second side cheek 14 underside, behind which an electrical switch is arranged. Moves the machine frame 11 in the installation direction 10, so get objects that lie on the floor 50, at an approximation of the machine frame 1 1 against at least one of the tactile switching elements 18, whereby an interruption of the movement of the machine frame 11 is generated.
  • the tactile switching element 18 also the persons standing, for example, in the range of movement of the side cheeks 13, 14, can be detected.
  • FIG. 3 shows in a perspective detail view the side cheeks 13 and 14 with the pickup unit 12 arranged between them.
  • Collision sensors 17 are arranged on the side cheeks 13 and 14 on both sides of the erecting direction 10.
  • the collision sensors 17 have a sensor cone 31, and all objects that are detected by the collision sensors 17 lead to an interruption or deceleration of the movement of the machine tool.
  • On the free second side cheek 14 is also an emergency stop 46, the operation also causes the immediate stoppage of the machine frame 11.
  • the pickup 12 has arranged on both sides side flaps 19, which are arranged here on the top side of the pickup 12 pivotally and a movement of the side flaps 19 at least in a closed position or out of a closed position by means of a flap monitoring means 20 is monitored.
  • the closure direction for pivoting the side flap 19 is indicated by I and the opening direction is indicated by II.
  • the side flap 19 can also be actuated by hand, in particular by means of the flap handle 49.
  • the flap monitoring means 20 comprises a flap tappet 21 which can be either pushed in or out of the flap monitoring means 20, as indicated by a double arrow. Thus, both a movement of the side flap 19 in the closing direction I and in the opening direction II can be detected.
  • FIG. 4 shows, in a perspective detailed view, the flap monitoring means 20, which comprises a flap plunger 21, and the flap plunger 21 is movably received along a plunger axis 47.
  • the situation shown in Figure 4 is when the side flap 19 is normally closed.
  • the flap plunger 21 is biased with a spring element 48 such that the flap plunger 21 is in a rest position, which is designed so that the side flap 19 remains closed at the pickup unit 12 substantially.
  • a probe 23 of an electrical switch 24 abuts against a switching contour 22 of the flap tappet 21.
  • the probe head 23 is arranged biased transversely to the direction of movement I, II of the flap tappet 21 in the direction of the flap tappet 21.
  • the flap plunger 21 is moved in the opening direction II, so that the probe 23 is now actuated by the biasing spring 48 due to the prestressed spring 48, and the electric switch 24 also releases when the side flap 19 is opened electrical signal off.
  • a monitoring of the side flap 19 can be detected in a collision with a foreign body, whereby the side flap 19 is pressed further in the closing direction I, and also opening the side flap 19 can be recognized in the same way by the flap plunger 21 in the opening direction II moves.
  • the switching signal of the electric switch 24 for example, the movement of the machine frame 1 1 of the bale opener 1 are interrupted and / or it can be put out of operation, the at least one doffer roller 25 of the pickup unit 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

L'invention concerne un brise-balles (1) destiné à l'ouvraison de balles de fibres (100) comprimées et mises en place dans une direction de mise en place (10), ledit brise-balles comportant un bâti de machine (11) et une unité formant peigneur (12), ladite unité formant peigneur (12) étant montée réglable en hauteur sur le bâti de machine (11) et le bâti de machine (11) étant déplaçable dans la direction de mise en place (10), de telle sorte qu'il est possible de passer au-dessus des balles de fibres (100) avec l'unité formant peigneur (12) et que de la matière fibreuse peut être prélevée des balles de fibres (100), le bâti de machine (11) présentant une structure en portique comportant une première joue latérale (13) et une seconde joue latérale (14) et les joues latérales (13, 14) étant reliées l'une à l'autre au moyen d'au moins un profilé de portique (16) s'étendant dans une direction transversale (15). Selon l'invention, un capteur de collision (17) dirigé dans les directions de déplacement du bâti de machine (11) est monté dans chaque cas sur la première joue latérale (13) et sur la seconde joue latérale (14).
PCT/EP2019/053023 2018-05-04 2019-02-07 Brise-balles destiné à l'ouvraison de balles de fibres comprimées, doté d'un système de protection contre les collisions WO2019211017A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980029507.0A CN112055762B (zh) 2018-05-04 2019-02-07 具有碰撞防护系统的、用于开松压紧的纤维包的开包机
EP19706904.0A EP3788189A1 (fr) 2018-05-04 2019-02-07 Brise-balles destiné à l'ouvraison de balles de fibres comprimées, doté d'un système de protection contre les collisions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018110669.6A DE102018110669A1 (de) 2018-05-04 2018-05-04 Ballenöffner zum Öffnen von gepressten Faserballen mit einem Kollisionsschutzsystem
DE102018110669.6 2018-05-04

Publications (1)

Publication Number Publication Date
WO2019211017A1 true WO2019211017A1 (fr) 2019-11-07

Family

ID=65520227

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/053023 WO2019211017A1 (fr) 2018-05-04 2019-02-07 Brise-balles destiné à l'ouvraison de balles de fibres comprimées, doté d'un système de protection contre les collisions

Country Status (4)

Country Link
EP (1) EP3788189A1 (fr)
CN (1) CN112055762B (fr)
DE (1) DE102018110669A1 (fr)
WO (1) WO2019211017A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135272A1 (de) * 1981-09-05 1983-03-24 Trützschler GmbH & Co KG, 4050 Mönchengladbach Verfahren und vorrichtung zur ermittlung der hoehe von textilfaserballen
EP0266629A2 (fr) * 1986-11-04 1988-05-11 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Appareil pour effectuer l'ouverture automatique et le mélange de balles de fibres
DE3734480A1 (de) 1987-10-12 1989-04-27 Schubert & Salzer Maschinen Verfahren und vorrichtung zum oeffnen von faserballen
EP0428477A1 (fr) * 1989-11-13 1991-05-22 Maschinenfabrik Rieter Ag Ouvreuse de balles avec un dispositif de sécurité sensoriel
EP0435816A1 (fr) 1989-12-21 1991-07-03 Maschinenfabrik Rieter Ag Ouvreuse de balles avec un appareil de sécurité commandé par un détecteur
EP0533619B1 (fr) 1991-09-19 1996-09-25 Maschinenfabrik Rieter Ag Appareil de sécurité sur une pièce de machine mobile d'une machine textile
CN104726968A (zh) * 2015-04-02 2015-06-24 安徽华茂纺织股份有限公司 一种圆盘抓棉机的安全防撞击装置

Family Cites Families (7)

* 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
EP0379465B1 (fr) * 1989-01-16 1993-07-28 Maschinenfabrik Rieter Ag Ouvreuse de balles avec un dispositif de sécurité
DE102007014612A1 (de) * 2007-03-23 2008-09-25 TRüTZSCHLER GMBH & CO. KG Vorrichtung zur Überwachung und Sicherung von Gefahrenbereichen an kraftgetriebenen Textilmaschinen, insbesondere Spinnereivorbereitungsmaschinen
DE102007051466A1 (de) * 2007-10-27 2009-04-30 Rafi Gmbh & Co. Kg Schaltvorrichtung
US8207805B2 (en) * 2009-03-17 2012-06-26 W. Gessmann Gmbh Push-button
DE102012004071A1 (de) * 2012-03-02 2013-09-05 Illinois Tool Works Inc. Betätigungsvorrichtung
CH712410A1 (de) * 2016-04-29 2017-10-31 Rieter Ag Maschf Ballenöffner.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135272A1 (de) * 1981-09-05 1983-03-24 Trützschler GmbH & Co KG, 4050 Mönchengladbach Verfahren und vorrichtung zur ermittlung der hoehe von textilfaserballen
EP0266629A2 (fr) * 1986-11-04 1988-05-11 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Appareil pour effectuer l'ouverture automatique et le mélange de balles de fibres
DE3734480A1 (de) 1987-10-12 1989-04-27 Schubert & Salzer Maschinen Verfahren und vorrichtung zum oeffnen von faserballen
EP0428477A1 (fr) * 1989-11-13 1991-05-22 Maschinenfabrik Rieter Ag Ouvreuse de balles avec un dispositif de sécurité sensoriel
EP0435816A1 (fr) 1989-12-21 1991-07-03 Maschinenfabrik Rieter Ag Ouvreuse de balles avec un appareil de sécurité commandé par un détecteur
EP0533619B1 (fr) 1991-09-19 1996-09-25 Maschinenfabrik Rieter Ag Appareil de sécurité sur une pièce de machine mobile d'une machine textile
CN104726968A (zh) * 2015-04-02 2015-06-24 安徽华茂纺织股份有限公司 一种圆盘抓棉机的安全防撞击装置

Also Published As

Publication number Publication date
CN112055762A (zh) 2020-12-08
DE102018110669A1 (de) 2019-11-07
EP3788189A1 (fr) 2021-03-10
CN112055762B (zh) 2022-11-11

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