BG61102B1 - Shredded waste collector - Google Patents

Abstract

The invention relates to a device for receiving of crushed materials, in particular sacked banknotes. It includes a receiving vessel (2) with placed in it and a top bag (3) open for cracked material. Simple manipulation with (3) and avoid contamination in the area the crushing device and the transport path of the crushed material. The bag (3) is executed as a disposable bag and its opening provided with a holder (4) fastened to the receptacle (5) located in the region of the outlet of the crushing device, (4) and the receiver (5) have the corresponding pass- opened us for the crushed material.

Description

The invention relates to a device for receiving shredded materials, in particular shredded banknotes, in accordance with the limiting part of claim 1.

Crushing devices are known in the art, in which banknotes or other documents are crushed beyond recognition by cutting or tearing multiple strips or cuts of minimum size.

Shredding devices of this type (EP 0 184 786) generally have a box-like housing housing an electromotor-driven cutting mechanism. The housing is provided with a receptacle for the crushed material, which is movable at the bottom of the housing, under the outlet shaft of the cutting mechanism and is under vacuum. For the collection and removal of the shredded materials, a paper bag is provided in the receiving vessel, which is breathable and has a holder on its opening that can be placed on a receiver located in the area of the outlet of the shredder. For recycling purposes, these paper bags are shipped directly to the paper mill along with the milled materials contained therein. As a consequence, paper bags and their holders must be made of materials that do not disrupt the operation of the paper mill.

Paper bag holders should therefore not contain materials that cannot be processed on paper. On the other hand, high requirements are imposed on the holder in terms of mechanical strength due to the wide-area connection to the paper bag and for easy handling. It should be borne in mind that paper bags in the filling process must be secured when filling them. The receiver and the holder must be further designed so that the filling level can be measured without interfering with the filling process.

It is an object of the invention to further develop the apparatus of the aforementioned type in such a way that the requirements stated in the optimum are taken into account.

In order to accomplish this task, having in mind one device of the type mentioned in the beginning, the invention proposes that the holder be shaped like a flat cardboard, which is tightly glued or sewn to the bag and with its lateral edges inserted into the provided on the underside of the guide receiver, wherein both the holder and the receiver below the output shaft of the shredder are provided with corresponding apertures for the crushed materials and, in addition, holes similar to the lid for one level sensor. filling.

Because the holder is shaped like a flat cardboard, it has large and sufficiently supportive surfaces for attachment to the paper bag. The cardboard is also stable enough for handling and laying empty and filled paper bags. Due to the fact that openings for the crushed materials are provided on the one hand and in the receiver and on the other hand, the additional openings for one filling level sensor are possible during the filling process. continuous measurement of the filling height so that the filling of the paper bag can be interrupted in a timely manner.

The invention is also characterized in that the through holes in the holder and in the receiver correspond to the output shaft of the shredder. In this way, the milled material enters the outlet shaft directly into the bag.

Preferably, the receiver is mounted on the shredder by means of bent plates. This gives the possibility, if necessary, to incorporate the receiver further into existing shredders with little installation resource.

It is appropriate to allow the holder with its side edges to be inserted into guides located on the underside of the receiver. This provides a simple and generally sufficiently tight attachment of the bag to the receiver.

If the ground material is particularly fine or contains large quantities of paper dust, it may be appropriate to place a sealing gap 2 between the holder and the receiver. The seal can be attached to both the holder and the receiver. This seal prevents the passage of paper dust or fine material into the storage space of the receiving vessel on the pressure side safely. The holder may alternatively be pressed against the receiver by a movable frame. In this way a particularly tight closure is also obtained, without dependence on additional sealing material.

A particularly preferred embodiment of the invention provides that the opening of the holder is closed. This enables the filled bag to be closed tightly after removal from the shredder so that the filled bag can be sealed when necessary and without further operating operations and material to be closed, without the risk of the shredded material falling from the bag.

For the closure of the holder, a plain shutter may be provided which is designed to slide along the longitudinal edge of the aperture of the holder through suitable guiding and holding means until the aperture is closed.

Alternatively, in the area of the aperture, the holder may also have closed valves attached to the edge of the aperture of the holder by flexible bending elements. This enables the holder to be made entirely of a flat formation, for example, of a cardboard washer, cut and folded so that the openings falling on the aperture form simultaneously closed flaps.

The bag and holder are suitably made exclusively of paper and cardboard. This, on the one hand, achieves a particularly favorable cost of production. The holder bag produced in this way is eco-friendly and can be disposed of with the ground material or, if necessary, recycled.

An exemplary embodiment of the invention is shown in the accompanying drawings, of which: Figure 1 is a schematic representation of a shredder with a bag of shredding material in the receptacle;

Figure 2 is a top plan view of a carrier bag;

3 is a section through the outlet shaft of the shredder with the bag inserted;

Figure 3a - enlarged sectional view detail of the bag holder with additional seal;

Fig. 3b - in the same embodiment as in Figs. For the holder of the bag with additional seal;

Figure 3c is in a similar representation to Figure 3A for an alternative embodiment of the bag holder;

Figure 4 is a top view of the receiver;

Figure 4a is a side view (sectional view) of Figure 4;

Figure 5 is a top plan view of the shutter holder;

Figure 6 is a section along the line AB in Figure 5;

7 is a top plan view of a holder with closing flaps;

8 is a sectional view along the line C - D of FIG. 7.

As shown in FIG. 1, the shredder is housed in a housing 1 comprising an unspecified drive unit and a shredder bank. A box-shaped receiving receptacle 2 is inserted into the housing 1 whose front edge optically closes the front edge of the housing. In addition, the housing 1 also has a non-represented suction fan, which creates an underpressure in the area of the receiving vessel, which facilitates the removal of the crushed material from the cutting mechanism.

A bag 3 is placed in the receptacle 2 for the crushed material, with a holder 4 in its upper part. The bag consists, as appropriate, of air permeable paper. The holder 4 is made of a rectangular flat part, preferably made of cardboard and appropriately connected to the bag 3, for example by gluing, sewing or folding (folding). The holder 4, in turn, is attached to a receiver 5 located in the area of the outlet 6 of the outlet shaft 7 inside the housing 1 (FIG. 3).

In FIG. 2 is a top plan view of the bag 4 provided with the holder. In contrast, FIG. 4 shows in the same way the corresponding receiver. The receiver 5 and the holder 4 have apertures 4.1 and 5.1 corresponding to the location and size of the outlet opening 6 of the output shaft 7. In addition, the holder 4 and the receiver 5 have corresponding congruent openings 4.2. and 5.2., through which the actual filling level of the bag 3 can be determined by means of a working, preferably non-contact, filling height sensor.

The receiver 5 is designed as a profiled sheet metal part, which, by means of folded plates 5.3 located on the upper edges, is mounted in the respective fixing edges 1.1 of the housing 1. These folded plates 5.1 enable the receiver 5 to be fixed, if necessary, to existing shredder devices. 3a to 3c show different ways of securing the holder 4 to the receiver 5.

According to FIG. 3, the holder 4 is inserted into the U-shaped guides 5.4 of the receiver 5. In this way, the insertion path is dimensioned such that, in the attachment position, the outlet 6 of the outlet shaft 7 corresponds to the through holes 5.1 and 4.1 in the receiver 5 and the holder 4, i. they are in one line.

In the embodiment shown in FIG. 3B, a seal 8 comprising fully or partially through apertures consisting of, for example, foam, is provided to create a better seal between the holder 4 and the receiver 5. The seal 8 prevents any particulate matter or paper dust from entering the gap between the receiver 5 and the holder 4.

For the same purpose, in the exemplary embodiment of FIG. 3c is provided a vertically movable frame 9 enclosing the apertures and pressed from the bottom to the edge of the holder 4 and the receiver 5 by unrepresented means of displacement.

4 and 4a, the holder 4 is represented before mounting on the shredder, i. the bent plates 5.3 used to secure the receiver 5 have not yet been folded.

Figures 5 and 6 illustrate the first possibility of closing the bag 3. In particular, the aperture 4.1 is closed with a tapered closure valve 10. For this purpose, the longitudinal edges of the aperture 4.1. and the longitudinal edges of the gate 10 are provided with appropriate guides 10.1.

Another possibility of closing the opening 4.1 in the holder 4 is shown in FIGS. 7 and 8. According to the size and arrangement of the aperture 4.1, there are cuts along the lines "a" and "c" there. In contrast, only convex lines are provided along the lines of "c" to form flexible bending elements. By folding the closing valves "d" and "e" in the direction of the inner space of the bag, the opening can be opened or closed 4.1.

Claims (6)

Claims 1. A device for receiving shredded materials, in particular shredded banknotes, having a bag open at the receiving end of the shredder (3) for the shredded material, which, as a disposable part, is made of paper and has a holder on its opening. (4), which is mounted at the location in the place of the outlet opening of the shredder (5), characterized in that the holder (4) is shaped like a flat cardboard which is tightly glued or sewn to the bag and with its lateral edges are inserted into the ex seen on the underside of the receiver / 5 / guides / 5A /, wherein both the holder / 4 / and the receiver / 5 / under the outlet shaft / 7 / of the shredder are provided with corresponding through holes (4.1, 5.1) for the shredded materials and additionally with the same openings /4.2, 5.2 / for one filling level sensor. A device according to claim 1, characterized in that there is a gap between the holder (4) and the receiver (5) covering their through holes (4.1, 5.1) (seal) (8). Device according to claim 1, characterized in that the holder (4) is pressed to the receiver (5) by a movable frame (9). Device according to one of Claims 1 to 3, characterized in that the through hole (4.1) of the holder (4) is shaped to be closed. A device according to claim 4, characterized in that the holder (4) is provided with a closing slide (10). III A device according to claim 4, characterized in that the holder (4) is provided with closing valves (d, e) in the area of its passage opening, which are fixed to the edge of the passage opening (4.1) of the holder (4). through flexible bending elements / with /.