EP0876958A1 - Dispositif pour déchirer des sacs - Google Patents

Dispositif pour déchirer des sacs Download PDF

Info

Publication number
EP0876958A1
EP0876958A1 EP98250093A EP98250093A EP0876958A1 EP 0876958 A1 EP0876958 A1 EP 0876958A1 EP 98250093 A EP98250093 A EP 98250093A EP 98250093 A EP98250093 A EP 98250093A EP 0876958 A1 EP0876958 A1 EP 0876958A1
Authority
EP
European Patent Office
Prior art keywords
arms
drum
drum device
jacket
area
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
EP98250093A
Other languages
German (de)
English (en)
Other versions
EP0876958B1 (fr
Inventor
Uwe Tönsen
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.)
Matthiessen Lagertechnik Maschinen- und Apparatebau GmbH
Original Assignee
Matthiessen Lagertechnik Maschinen- und Apparatebau GmbH
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 Matthiessen Lagertechnik Maschinen- und Apparatebau GmbH filed Critical Matthiessen Lagertechnik Maschinen- und Apparatebau GmbH
Publication of EP0876958A1 publication Critical patent/EP0876958A1/fr
Application granted granted Critical
Publication of EP0876958B1 publication Critical patent/EP0876958B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B65B69/0008—Opening and emptying bags

Definitions

  • the invention relates to a device for tearing bags.
  • DE 94 05 851 U1 is one Device for tearing bags known for this purpose in the Location is.
  • This device has a substantially horizontal extending shaft, which is driven to rotate becomes. Arms emanate from the wave in a star shape outer end areas are designed as tines. On their inner The ends of the arms are pivotally mounted in the area of the shaft. The arms are swung inwards by means of a control curve, after they have their rotation of the shaft have reached the highest point, and shortly before reaching their they are swung out again at the lowest railway point.
  • the shaft is surrounded by a fixed housing that circumferential slots for the implementation of Has arms.
  • the slots can still Recyclable materials penetrate inside the housing, even if the slots are designed like a labyrinth, as in DE 94 20 921 U1. This can cause disruptions in the operational process Consequence and also requires regular cleaning of the Housing interior, which is expensive.
  • the device according to the invention for tearing sacks has a drum device that is essentially horizontal extending axis of rotation is drivable to a rotary movement and the arms which run in a star shape with respect to the axis of rotation having.
  • the arms pass through a cross section of the respective arm adapted opening through the jacket of the Drum device from the interior of the drum device. They are at least partially in the control device Interior of the drum device movable.
  • the control device is set up to put a respective arm in its deepest Extend railway area and in its highest To enter the railway area.
  • the basic principle of operation of the device according to the invention is the same as that from DE 94 05 851 U1 and DE 94 20 921 U1 known devices.
  • the mechanism for Moving the arms is due to the rotating jacket protected the drum device, the respective openings for the exit of the arms are preferably so small that the Cross section of the respective arm fits straight through. Therefore can no foreign objects in the interior of the drum device enter and disrupt the operations.
  • Circumferential line of the casing of the drum device as a polygon designed preferably the openings in the jacket of the Drum device for the exit of the arms between each two adjacent corners of the polygon are arranged.
  • Recyclable materials during the rotary movement of the Drum device substantially at a distance from the Axis of rotation are kept approximately with the distance between the axis of rotation and a corner of the polygon Circumference of the jacket coincides. If one arm completely is retracted, with this geometry the distance is its outer end to the axis of rotation somewhat less, so that in the area a small cavity is formed at its outer end, or at least one area in which the density of recyclables is lower is as near the corners. The consequence of this is that a Sack more easily detaches from the drum device after opening, if the arm or arms that opened the sack and hold, retracted into the interior of the drum assembly will.
  • the e.g. Bags filled with recyclable materials are used in the drum equipment preferably fed via a conveyor, which in a preferred embodiment as an endless conveyor is designed, e.g. as a scratch conveyor, as a belt conveyor or can be designed as a plate conveyor.
  • a conveyor which in a preferred embodiment as an endless conveyor is designed, e.g. as a scratch conveyor, as a belt conveyor or can be designed as a plate conveyor.
  • Whose direction of conveyance points against the direction of movement of the lower one Area of the jacket of the drum device. With this arrangement the sack arriving at the drum device is suddenly removed from one or more arms, which makes it easier to tear open.
  • a deflector In front of the drum device and above the conveyor a deflector can be arranged, e.g. as a metering plate is designed.
  • a metering plate is in DE 94 05 851 U1 described; it makes opening the sacks easier.
  • a Ejector device (restraint device, scraper device) arranged be the most complete emptying of the bags and facilitates the detachment of the bags from the drum device. If the arms are not yet far in the area of the discharge device have entered the interior of the drum unit enough, the discharge device should have passage openings for the arms exhibit. Examples of ejection devices are in DE 94 05 851 U1 and described in DE 94 20 921 U1.
  • the control device can have a hydraulic system. Basically is also an electromagnetic or pneumatic retraction and Extend the arms into and out of the interior of the drum device conceivable.
  • the control is purely mechanical, so that the control device has no sensitive components, which is the case with the rough ones Operating conditions of the device for opening bags Advantage is.
  • the control device a cam disc, i.e. it has a control curve that with designed as a cam follower cooperates with the components Arms are coupled to the arms of the respective rotational position of the Retract or extend the drum device accordingly.
  • cam disk is therefore to be understood very broadly here.
  • the rods can be in relation to the Be guided in radial guides, so that they move in and out in the radial direction, when the drum assembly shell rotates.
  • FIG. 1 shows, the device for tearing bags a drum device 1, which is mounted on a bracket 2 is.
  • a conveyor arranged, which is designed here as a belt conveyor 4 and is held in a frame 6.
  • the belt conveyor 4 leads from Bottom obliquely upwards and ends in the lower area of the drum device 1. It is used to supply bags to the drum device 1, so that these are torn open by the drum device 1 can be.
  • FIG 2 it is shown how the drum device 1 with the Entrance area of a device for sorting valuable materials connected is.
  • the holder 2 with a frame 8 is Screwed device for sorting valuable materials.
  • the rear end region of the belt conveyor 4 can also be seen.
  • the drum device 1 has a largely closed Jacket 10, the end faces of which each have an end plate 12 are connected.
  • the two end plates 12 have a circular shape Circumferential line as shown in Figures 2 and 3.
  • the circumferential line 14 of the jacket 10 is also shown. In the exemplary embodiment, it is designed as a polygon as a regular octagon, with the corners of the circumferential line 14 the periphery of the end plates 12 are.
  • Figure 5 which is an enlarged partial view of Figure 4 the axis of rotation D-D is drawn around which the drum device 1 can be driven to rotate.
  • the end plates 12 of the drum device 1 each in a side part 16 mounted, which is rigidly connected to the bracket 2 or part of the bracket 2.
  • left bearing is guided through the left side part 16 and carries at its end a sprocket 18, which has a chain 19 and a sprocket 20 is driven by an electric motor 22.
  • a guide plate 24 is firmly connected to each side part 16.
  • the guide plates 24 are located on the end faces the drum device 1 outside in front of the end plates 12 each have a circular circumferential line, its diameter is slightly smaller than that of the end plates 12, and aligned concentrically with the end plates 12.
  • the face plates 12 are each of a cylindrical jacket Surround fender 26, the respective inner edge area the respective end plate 12 is attached during the respective outer edge area of the respective fender 26 die overlaps the respective guide plate 24.
  • the column between the edges of the guide plates 24 and each Mudguard 26 kept so narrow that practically no contamination into the interior 28 of the drum device 1 can penetrate.
  • the drum device 1 points with respect to the axis of rotation D-D arms 30 extending in a star shape.
  • several sets of arms 30 are provided which point towards the Axis of rotation D-D are spaced apart.
  • Between sentences 31, 32, 33 and 34 are further sets of arms 30, namely the sets 35, 36, 37 and 38, as indicated in Figure 5.
  • Even sentences 35, 36, 37 and 38 each consist of four arms 30, as in Figure 3 shown for set 35.
  • Her arms 30 are opposite to those of the Sets 31, 32, 33 and 34 by 45 ° in the circumferential direction of the drum device 1 offset, see Figure 3.
  • the geometry is like this chosen that each arm 30 between two adjacent corners 39 of the octagonal circumferential line 14 of the jacket 10 is arranged (see Figure 3, left part).
  • the inner end regions 40 of the arms 30 are located in the interior 28 of the drum device 1. From there, the arms 30 pass through the jacket 10 outwards, through respective openings in the jacket 10, the size of which corresponds to the cross section of the respective arms 30 is adapted.
  • the arms 30 are radial Slidably supported in the direction (see below); therefore they have each in the area in which they are depending on the shift position pass through the jacket 10, a constant cross-sectional area, which is slightly smaller than the cross-sectional area the opening. This way the middle or outer Areas of the arms 30 stored in the jacket 10.
  • the outer Areas of the arms 30 are preferably as rigid tines educated.
  • the inner end portions 40 of the arms 30 are on rods 42 stored. Such a rod is in the upper area of FIG 42 drawn in detail.
  • This rod 42 holds one each the arms 30 of sets 31, 32, 33 and 34.
  • Each of the end regions 44 of the rod 42 runs in a guideway 46 which in the respective guide plate 24 as a circumferential, self-contained Recess is formed.
  • the two radial slots 48 for guiding the rod 42 in the upper region 5 run in the drawing plane of FIG. 5.
  • the guide plates 24 with the guideways 46 act as Cams.
  • the two guideways 46 are in relation to one another aligned.
  • the rods 42 from the guideways 46 in moved radially so that the arms 30 out of the interior 28 extended or retracted the drum device 1 will.
  • the outer ends of the arms 30 describe a path 50, which is shown in Figures 2 and 3. It's closed recognize that a respective arm 30 in its deepest Web area is moved outward so that it is a piece over the Outside of the jacket 10 protrudes, and in its highest Railway area is retracted so that it is preferably not or only slightly in relation to the outside of the jacket 10 protrudes.
  • the drum device 1 rotates in the illustration according to Figures 2 and 3 in the counter-clockwise direction, i.e., each lower region of the jacket 10 runs from the belt conveyor 4 objects moving from right to left.
  • a discharge device 52 arranged on a movable frame 54 is mounted.
  • the ejection device 52 has a comb 56, between the projections projecting obliquely downwards through openings are provided for the arms 30. Since the comb 56 shown from the side in Figure 2 is only a protrusion can be seen while the passage openings for the arms 30 cannot be seen.
  • the comb 56 can be operated using a hydraulic cylinder 58 pulled up, what cleaning or Maintenance is helpful.
  • the bags to be torn open e.g. out Plastic or paper, e.g. filled with recyclables are on the belt conveyor 4 to the drum device 1 introduced.
  • the drum device 1 rotates, and in the view of Figure 2 counterclockwise.
  • the arms 30 by means of the rods 42 and the guideways 46 formed control device depending on your respective position angle extended or retracted or do not change their radial position, as corresponds to track 50.
  • an arm 30 is extended so that it is the foremost tearable Sack that is currently attached to the drum unit 1 is introduced, can grasp and tear open.
  • the device for tearing sacks can already Sorting and / or dosing and / or loosening in the bags cause contained parts, especially loose in the bags collected recyclables.
  • the gap between the opening of the sack 62 the belt conveyor 4 and the second conveyor 60 falling A third conveying device 64 is used for recycling collected, which is indicated in Figure 2, also sorted to become.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Packaging Of Special Articles (AREA)
EP98250093A 1997-04-30 1998-03-18 Dispositif pour déchirer des sacs Expired - Lifetime EP0876958B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29708122U DE29708122U1 (de) 1997-04-30 1997-04-30 Vorrichtung zum Aufreißen von Säcken
DE29708122U 1997-04-30

Publications (2)

Publication Number Publication Date
EP0876958A1 true EP0876958A1 (fr) 1998-11-11
EP0876958B1 EP0876958B1 (fr) 2001-05-30

Family

ID=8040012

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98250093A Expired - Lifetime EP0876958B1 (fr) 1997-04-30 1998-03-18 Dispositif pour déchirer des sacs

Country Status (5)

Country Link
EP (1) EP0876958B1 (fr)
AT (1) ATE201643T1 (fr)
DE (2) DE29708122U1 (fr)
ES (1) ES2157111T3 (fr)
PT (1) PT876958E (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2876302A1 (fr) * 2004-10-08 2006-04-14 Philippe Pascal Vergnaud Dispositif de preparation de dechets a recycler
DE102008016841A1 (de) * 2008-04-01 2009-10-29 Zeno - Zerkleinerungs Maschinenbau Norken G.M.B.H. Vorrichtung zum Aufreissen von Säcken
EP2837571A1 (fr) * 2013-08-13 2015-02-18 Manufacture à Besançon Machine ouvreuse de sacs avec peigne mobile horizontal

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1013881C2 (nl) * 1999-12-17 2001-06-21 Syntech Holdings Bv Werkwijze voor het openen van ten minste een rol waarin munten zijn verpakt, alsmede een dergelijke inrichting.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9405851U1 (de) * 1994-04-08 1994-06-09 Matthiessen Lagertechnik Gmbh Vorrichtung zum Aufreißen von Säcken aus Papier oder Kunststoffolie, insbesondere Wertstoffsäcken und zum Sortieren und/oder Dosieren und/oder Auflockern von in den Säcken enthaltenen Teilen
US5368431A (en) * 1993-03-26 1994-11-29 Willey; Edward B. Trash bag opener and remover

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5368431A (en) * 1993-03-26 1994-11-29 Willey; Edward B. Trash bag opener and remover
DE9405851U1 (de) * 1994-04-08 1994-06-09 Matthiessen Lagertechnik Gmbh Vorrichtung zum Aufreißen von Säcken aus Papier oder Kunststoffolie, insbesondere Wertstoffsäcken und zum Sortieren und/oder Dosieren und/oder Auflockern von in den Säcken enthaltenen Teilen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2876302A1 (fr) * 2004-10-08 2006-04-14 Philippe Pascal Vergnaud Dispositif de preparation de dechets a recycler
WO2006040449A1 (fr) * 2004-10-08 2006-04-20 Philippe Vergnaud Dispositif de preparation de dechets a recycler
DE102008016841A1 (de) * 2008-04-01 2009-10-29 Zeno - Zerkleinerungs Maschinenbau Norken G.M.B.H. Vorrichtung zum Aufreissen von Säcken
EP2837571A1 (fr) * 2013-08-13 2015-02-18 Manufacture à Besançon Machine ouvreuse de sacs avec peigne mobile horizontal
FR3009714A1 (fr) * 2013-08-13 2015-02-20 Matthiessen Engineering Dispositif pour simplifier le fonctionnement d'une machine ouvreuse de sacs grace a un peigne mobile horizontal

Also Published As

Publication number Publication date
DE59800777D1 (de) 2001-07-05
ATE201643T1 (de) 2001-06-15
DE29708122U1 (de) 1997-07-17
EP0876958B1 (fr) 2001-05-30
PT876958E (pt) 2001-09-28
ES2157111T3 (es) 2001-08-01

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