DE102015211283A1 - Flat object guiding device and flat object packaging system - Google Patents

Abstract

The invention relates to a flat object guiding device comprising a supply housing for picking up, picking up and guiding the flat objects, a pallet for supporting and holding the flat objects arranged under the bottom of the supply housing, and an adjusting means on which the pallet is mounted to set a distance of the pallet from the bottom of the supply housing independently by the actuating means depending on a control command. The invention further relates to a flat article packaging system having such a flat article guiding device. According to the invention, depending on the number of flat objects fed to each flat object guiding device, it is possible to independently set the number of flat objects displaced by the push rod each time from the respective flat object guiding device.

Description

Technical area

The invention relates to a package of flat objects, in particular a guide device of a flat article packaging system and a flat article packaging system with such a guide device.

State of the art

Flat items such as biscuits are usually stacked upon completion so they can then be encased in a stack. A flat article packaging system in the prior art generally comprises a frame, a revolving chain disposed on the frame, a plurality of push rods arranged on the revolving chain and movable with the revolving chain, a plurality of flat object guiding devices for feeding the flat objects onto the revolving chain to be displaced by the push rods, and encapsulation means for encapsulating the stacked flat objects. In the existing flat article packaging system, the number of flat objects each time supplied to a push rod by a respective flat object guide device is set. If the respective guide devices for flat objects are to be supplied with different numbers of flat objects, after a certain period of time it would take place that either the number of flat objects supplied by a flat object guide device to the respective push rod is insufficient or on a flat guide device Objects the flat objects are heavily jammed, so that it becomes necessary to stop the machine to set the guide device for flat objects. Otherwise, the number of encapsulated flat objects will not be correct. However, stopping the machine for adjusting the flat object guiding device significantly reduces the productivity.

Therefore, it is necessary to improve the existing flat object guiding device and the flat object packaging system.

Presentation of the invention

The object of the invention is to overcome at least one of the above-mentioned drawbacks of the prior art, and to propose a flat object guiding device and a flat object packaging system comprising such a guiding device in which the number and the number of one each push rod each time out of the flat object guiding device can be automatically adjusted depending on the number of flat objects fed to each flat object guiding device, so that either the number of flat objects supplied to the push rod is prevented from being insufficient or on a flat object guiding device, the flat objects are jammed. This ensures, on the one hand encapsulate a precise number of flat objects and on the other hand to increase productivity significantly.

• – ein Zufuhrgehäuse zum Übernehmen, Aufnehmen und Führen der flachen Gegenstände;
• – eine unter dem Boden des Zufuhrgehäuses angeordnete Palette zum Stützen und Halten der flachen Gegenstände; und
• – ein Stellmittel, an dem der Palette montiert ist, um durch das Stellmittel abhängig von einem Steuerbefehl einen Abstand der Palette vom Boden des Zufuhrgehäuses slebständig einzustellen.

To this end, according to one aspect of the invention, a flat object guiding device is proposed, comprising:

• A supply housing for picking up, picking up and guiding the flat objects;
• A pallet disposed under the bottom of the supply housing for supporting and holding the flat objects; and
• - An adjusting means on which the pallet is mounted to set by the actuating means depending on a control command a distance of the pallet from the bottom of the feed housing slebständig.

Optionally, the supply housing has an arcuately curved shape and a U-shaped cross section or an L-shaped cross section.

Optionally, the feed housing is designed to be adjustable in its shape and size.

Optionally, the adjusting means comprises a carrier, a servo electric motor arranged on the carrier, a displacement element screwed to an output shaft of the servo electric motor, and guide rails arranged on the carrier for guiding an up and down movement of the displacement element, the pallet being fastened to the displacement element of the actuating means is.

Optionally, the carrier is Π-shaped, wherein the servo-electric motor is arranged on the head of the Π-shaped carrier, wherein the sliding element is slidably engaged via associated with the slider arranged on both side walls of the Trägers-shaped carrier guide rails and wherein the output shaft, which is supported at the lower end by a bearing, with an external thread is in engagement with an internal thread of the displacement element.

Optionally, the pallet is L-shaped with a vertical leg of the L-shaped pallet secured to the sliding member and a horizontal leg of the L-shaped pallet extending below the bottom of the supply housing.

Optionally, the pallet is formed with a groove extending from the horizontal leg to the vertical leg.

Optionally, a movable baffle plate is disposed at the bottom of the supply housing to coarsely adjust a distance from the bottom of the supply housing to the pallet.

Optionally, the movable baffle plate is L-shaped, with its forwardly extending legs serving to guide the flat objects displaced from the bottom out of the feed housing.

Optionally, the flat items are biscuits.

According to one aspect of the invention, there is provided a flat article packaging system comprising at least one flat article feeding device as mentioned above.

• – ein Gestell;
• – ein an dem Gestell angeordnetes Kettentransportsmittel, das eine von einem Kettenrad angetriebene umlaufende Kette, mehrere an der umlaufenden Kette angeordnete und mit der umlaufenden Kette bewegliche Schubstangen sowie zwei oberhalb der umlaufenden Kette einander parallel gegenüberliegend angeordnete Führungsschienen umfasst, wobei die Schubstangen aus einem Spalt zwischen der beiden Führungsschienen nach oben ragen, und wobei die Zuführungsvorrichtung für flache Gegenstände zur Zugabe der flachen Gegenstände auf das Kettentransportsmittel dient, damit die flachen Gegenstände von den Schubstangen vom Boden aus der Zuführungsvorrichtung für flache Gegenstände heraus verschoben werden; und
• – eine Kapselungseinrichtung zum Einkapseln der heraus verschobenen und gestapelten flachen Gegenstände.

Optionally, the flat article packaging system further comprises

• - a frame;
• A chain transport means arranged on the frame and comprising a revolving chain driven by a sprocket, a plurality of push rods arranged on the revolving chain and movable with the revolving chain, and two guide rails arranged parallel above the revolving chain, the push rods consisting of a gap between the two guide rails protrude upwards, and wherein the flat article feeding device is for adding the flat objects to the chain conveying means for shifting the flat objects from the push rods from the bottom of the flat article feeding device; and
• - An encapsulation device for encapsulating the out-shifted and stacked flat objects.

Optionally, downstream of the flat article feeder, immediately adjacent to the pallet, there is disposed a guide plate which serves to guide the flat objects shifted out of the flat article feeder.

According to the invention, the position of the pallet up or down and thus automatically set the size of the outlet at the bottom of the feed housing in the vertical direction by the actuating means anch an input control command. Thus, with the flat object guiding device of the present invention, it is possible to automatically set the number of flat objects pushed out of the respective flat object guiding device by the push rod each time from the respective flat object guiding device, depending on the number of flat objects fed to each flat object guiding device. Thus, it is prevented that either the number of flat objects supplied to the push rod is insufficient or the flat objects are jammed on a flat object guiding device. This ensures, on the one hand encapsulate a precise number of flat objects and on the other hand to increase productivity significantly.

Short illustration of the drawing

1 a schematic perspective view of a section of a packaging system according to the invention for flat objects;

2 an enlarged view of a section of the 1 ;

3 a front perspective view of a guide device according to the invention for flat objects;

4 a bottom perspective view of the flat object guiding device according to the invention;

5 a rear perspective view of the guide device according to the invention for flat objects; such as

6 a schematic side view of the guide device according to the invention for flat objects after mounting on the frame.

embodiment

Hereinafter, the individual preferred embodiments of the present invention will be described in detail by way of examples. It should be understood by those skilled in the art that these embodiments are exemplary and not a limitation of the invention.

The 1 is a schematic perspective view of a section of a packaging system according to the invention for flat objects. The 2 is an enlarged view of a section of the 1 , As the 1 and 2 show comprises the packaging system 1 for flat objects essentially a frame 3 one on the rack 3 arranged chain conveyor 5 , at least one feeding device 7 for flat objects for feeding the flat objects to the chain conveyor 5 and encapsulation means for encapsulating the stacked flat articles (not shown).

The chain transport 5 comprises a chain driven by a sprocket (not visible in the drawing) and a plurality of rods arranged on the revolving chain and movable with the revolving chain 9 , The multiple push rods 9 are preferably arranged at an equal distance from each other on the revolving chain. The chain transport 5 further comprises two guide rails disposed above the circulating chain substantially parallel to each other, wherein the plurality of push rods 9 from the gap between the two guide rails protrude upward. The delivery device 7 for flat objects, the flat objects F are on the chain conveyor 5 which then through the push rods 9 be moved to the encapsulation device for encapsulation.

As the 1 shows, points the packaging system 1 for flat objects, three feeders 7 for flat objects. It should be understood that the number of delivery devices 7 for flat items may be more or less than three as needed. As 3 - 5 show comprises each delivery device 7 for flat objects according to the invention, a supply housing 11 for picking up, picking up and guiding the flat objects F. To facilitate taking over the already finished flat objects F from a flat article manufacturing apparatus, and transferring the flat objects F to the chain conveyance means only by gravity 5 can supply the supply housing 11 have an approximately arcuate shape. Preferably, the supply housing 11 have an approximately U-shaped cross section, wherein above its upward opening guide rods 13 may be arranged to hold and guide the flat objects F. Of course, it is also possible the supply housing 11 form with a cross section in another suitable shape, for example with an approximately L-shaped cross-section and to arrange above its open area guide rods or baffle plate. Preferably, the supply housing 11 adjustable in shape and size to take, pick up and guide flat objects F of different shape and size as needed. Under the bottom of the feeder housing 11 is a palette 15 for supporting and holding the flat objects F arranged. According to the invention, each delivery device comprises 7 for flat objects continue to be an actuating means 17 , where the palette 15 at the adjusting means 17 is mounted to the distance of the pallet 15 from the bottom of the hopper housing 11 of the actuating agent 17 to set after a control command.

The adjusting agent 17 includes one on the frame 3 attachable and above the guide rails of the chain conveyor 5 lying carrier 19 , one on the carrier 19 arranged servo electric motor 21 , one with an output shaft 23 of the servo electric motor 21 screwed displacement element 25 as well as on the carrier 19 for guiding an up and down movement of the displacement element 25 arranged guide rails 27 , The pallet 15 is on the sliding element 25 of the actuating agent 17 attached. When an operation of the actuating means 17 to an up and down movement of the displacement element 25 along the guide rails 27 leads, moves the palette 15 So with the sliding element 25 move up and down so that the distance of the pallet 15 from the bottom of the hopper housing 11 is set independently.

The adjusting agent 17 comprising the carrier 19 , the servo electric motor 21 , the sliding element 25 as well as the guide rails 27 can be executed in different concrete forms. In a preferred embodiment, the carrier is 19 but approximately Π-shaped, with the servo electric motor 21 at the head 19a the Π-shaped beam 19 is arranged. The sliding element 25 comprises a plate-shaped body 25a and one from the plate-shaped body 25a outwardly extending projection 25b on which a nut 25c arranged or an internal thread is formed. The provided with an external thread output shaft 23 of the servo electric motor 21 stands with the internal thread of the nut 25c on the lead 25b engaged and is at the bottom of a bearing 26 supported. The warehouse 26 is on one at the carrier 19 attached support plate 26a arranged. The body 25a the sliding element 25 is on both sides in each case by an L-shaped connecting element 28 with a slider 29 connected, slidably engaged with the on both side walls 19b the Π-shaped beam 19 arranged guide rails 27 stands. When the output shaft 23 of the servo electric motor 21 turns, thus becomes the sliding element 25 by screwing to the output shaft 23 along the guide rails 27 moved on and off. It is to be understood that it is also possible the sliding element 25 form as a sliding piece with an internal thread.

Safety and beauty can be the Π-shaped carrier 19 on its front and back sides each with a cover plate 19c be provided. The feed housing 11 can for example by L-shaped fasteners 31 on the front cover plate 19c of the carrier 19 be attached. Each L-shaped connecting element 31 can at a first part 31a with it on the front lid 19c is mounted, two slots 31b exhibit. Likewise, any L-shaped connecting element 31 on a second part (not visible in the drawing) with which it is attached to the supply housing 11 is mounted, have two slots. At a supply housing 11 with an L-shaped cross-section can be by screwing a screw in different positions in the oblong holes, the position of the supply housing 11 concerning the vehicle 19 and thus the size of the feed housing 11 be adjusted.

It is possible at the bottom of the feed housing 11 a movable flapper 33 to arrange, in which a vertically extending slot 33a is trained. The movable flapper 33 is through one in the slot 33a inserted screw 33b on a side wall of the supply housing 11 attached. Preferably, the movable baffle plate 33 L-shaped, whose forwardly extending leg 33c for guiding the out of an outlet at the bottom of the feed housing 11 out suspended F flat objects. By a solution of the screw 33b , a movement of the movable flapper 33 in the vertical direction and a subsequent tightening of the screw 33b The size of the outlet can be at the bottom of the feed housing 11 in the vertical direction (namely the distance from the bottom of the bottom of the feed housing 11 to the pallet 15 , Wherein by the distance, the number of each time by the push rod 9 from the bottom out of the supply housing 11 out of flat objects F directly determined). During the feeding of the flat objects F, the pallet 15 from the actuating means 17 moved in the vertical direction to the size of the outlet at the bottom of the feed housing 11 in the vertical direction (namely the distance from the bottom of the bottom of the feed housing 11 to the pallet 15 ) to adjust exactly.

The pallet 15 may be L-shaped, wherein the vertical leg of the L-shape on the displacement element 25 for example, on the body 25a , the servo electric motor 21 is fastened, while the horizontal leg of the L-shape until below the bottom of the feed housing 11 extends to support the flat objects F. Preferably is on the pallet 15 a groove 15a formed, which extends from the horizontal leg to the vertical leg and as a passage for the push rod 9 serves. When the push rod 9 at the bottom at the bottom of the feeder housing 11 passed over, the push rod protrudes 9 out of the groove 15a upwards so that the flat objects F are below the bottom of the feed housing 11 to be moved out. By means of the actuating means 17 becomes the position of the pallet 15 adjusted up or down, causing the push rod 9 each time as needed a different number of flat objects F below the bottom of the feed housing 11 shifts out.

To properly stack the below the bottom of the feed housing 11 F moved out with the previously flat objects pushrod 9 already from the upstream feeder 7 for flat objects displaced flat objects F, can move down directly to the pallet 15 adjacent a guide plate 35 be arranged to the below the bottom of the feed housing 11 pushed out flat objects F on through the push rod 9 already from the upstream feeder 7 for flat objects to pass out suspended F flat objects, such as 6 shows. The stacked flat objects F are from the push rod 9 moved to the next workstation, such as the packaging station, to pack through a packaging device.

In the following, the operation of the feeding device according to the invention will be explained with reference to the example of biscuits 7 briefly explained for flat objects.

Suppose that the packaging system 1 for flat objects, two feeding devices 7 for flat objects, and that the number of times from a biscuit making device to each feeder 7 for flat objects supplied biscuits is the same. In the event that the number of stacked biscuits is 1-6, adjusts the actuating means 17 after an input control command, the position of the pallet 15 up or down, so that the adjacent two push rods 9 each number equal to that shown in Table 1 of biscuits from a feeder 7 to move out for flat objects. Thus, in a certain period of time, substantially the same number of biscuits will come out of each feeder 7 suspended for flat objects. There would be a jam of biscuits in the feed box 11 no feeder 7 occur. Table 1 Number of stacked biscuits first feeding device 7 second feeding device 7 1 1 0 0 1 2 1 1 1 1 3 2 1 1 2 4 2 2 2 2 5 3 2 2 3 6 3 3 3 3

In Table 2, a similar situation as shown in Table 1 is shown. The difference of Table 2 from Table 1 is that the packaging system 1 for flat objects, three feeders 7 for flat objects and that includes the number of three sibling push rods 9 from the respective delivery devices 7 shown for flat objects suspended biscuits. Table 2 Number of stacked biscuits first feeding device 7 second feeding device 7 third feeder 7 1 1 0 0 0 1 0 0 0 1 2 1 1 0 0 1 1 1 0 1 3 1 1 1 1 1 1 1 1 1 4 2 1 1 1 2 1 1 1 2 5 2 2 1 1 2 2 2 1 2 6 2 2 2 2 2 2 2 2 2 7 3 2 2 2 3 2 2 2 3 8th 3 3 2 2 3 3 3 2 3 9 3 3 3 3 3 3 3 3 3

Suppose that the packaging system 1 for flat objects, two feeding devices 7 for flat objects, and that from the biscuit making apparatus to each feeder 7 for flat objects a different number of biscuits is supplied. For example, the number of times to the first feeding device 7 for flat objects supplied biscuits much larger than the number of the second feeding device 7 biscuits supplied for flat objects. In the event that the number of stacked biscuits is 1-5, adjusts the actuating means 17 after an input control command, the position of the pallet 15 up or down, so that both adjacent push rods 9 each time a larger number of biscuits from the first feeder 7 for flat objects than the second feeding device 7 for flat objects, as shown in Table 3. Thus, in a certain period of time, about the same number of cookies in each feed housing 11 is present by removing from the respective delivery devices 7 a different number of biscuits is moved out. It would be in the feeder housing 11 the supplied with a larger number of biscuits first feeder 7 for flat items no congestion of biscuits take place. Table 3 Number of stacked biscuits first feeding device 7 second feeding device 7 1 1 1 0 0 2 2 2 0 0 3 2 2 1 1 4 3 3 1 1 5 3 3 2 2

In Tables 1-3, the concrete operation of the flat object guiding device is exemplified. It is not a limitation on the invention. It is to be understood that the flat object guiding device may also be operated in various other ways.

Above, the invention will be explained in detail based on concrete embodiments. Obviously, the above description and the embodiments shown in the drawings are to be considered as exemplary only and not as a limitation on the invention. In the above examples, the flat objects are biscuits, but they may be other type of flat objects, e.g. Slices of bread. Within the scope of the spirit of the invention, various modifications or changes will be apparent to those skilled in the art without departing from the scope of the invention.

Claims (13)

Feeding device ( 7 ) for flat objects, comprising: - a supply housing ( 11 ) for picking up, picking up and guiding the flat objects (F); - one under the bottom of the feed housing ( 11 ) arranged pallet ( 15 ) for supporting and holding the flat objects (F); and - an actuating means ( 17 ) on which the pallet ( 15 ) is mounted to by the actuating means ( 17 ) depending on a control command, a distance of the pallet ( 15 ) from the bottom of the feed housing ( 11 ) to adjust. Feeding device ( 7 flat article according to claim 1, characterized in that the supply housing ( 11 ) has an arcuate shape and a U-shaped cross section or an L-shaped cross section. Feeding device ( 7 flat article according to claim 1, characterized in that the supply housing ( 11 ) Is designed to be adjustable in its shape and size. Feeding device ( 7 ) for flat objects according to claim 1, characterized in that the adjusting means ( 17 ) a carrier ( 19 ), one on the support ( 19 ) arranged servo electric motor ( 21 ), one with an output shaft ( 23 ) of the servo electric motor ( 21 ) screwed displacement element ( 25 ), and on the carrier ( 19 ) arranged guide rails ( 27 ) for guiding an up and down movement of the displacement element ( 25 ), the pallet ( 15 ) on the displacement element ( 25 ) of the actuating agent ( 17 ) is attached. Feeding device ( 7 flat article according to claim 4, characterized in that the support ( 19 ) Is formed Π-shaped, wherein the servo-electric motor ( 21 ) on the head ( 19a ) of the Π-shaped carrier ( 19 ) is arranged, wherein the displacement element ( 25 ) via slides connected to it ( 29 ) with the on both side walls ( 19b ) of the Π-shaped carrier ( 19 ) arranged guide rails ( 27 ) is slidably engaged and wherein the output shaft ( 23 ) at the lower end through a bearing ( 26 ) is supported, with an external thread in engagement with an internal thread of the displacement element ( 25 ) stands. Feeding device ( 7 flat article according to claim 4, characterized in that the pallet ( 15 ) Is L-shaped, wherein a vertical leg of the L-shaped pallet ( 15 ) on the displacement element ( 25 ) and a horizontal leg of the L-shaped pallet ( 15 ) to below the bottom of the feed housing ( 11 ). Feeding device ( 7 flat article according to claim 6, characterized in that the pallet ( 15 ) with a groove ( 15a ) which extends from the horizontal leg to the vertical leg. Feeding device ( 7 ) for flat objects according to claim 1, characterized in that at the bottom of the feed housing ( 11 ) a movable baffle plate ( 33 ) is arranged to a distance from the bottom of the feed housing ( 11 ) to the pallet ( 15 ) roughly. Feeding device ( 7 ) for flat objects according to claim 8, characterized in that the movable baffle plate ( 33 ) Is L-shaped, whose forwardly extending leg ( 33c ) for guiding the from the bottom of the supply housing ( 11 ) out suspended flat objects (F). Feeding device ( 7 ) for flat objects according to claim 1, characterized in that the flat objects (F) are biscuits. Packaging system ( 1 ) for flat objects, characterized in that the packaging system comprises at least one feeding device ( 7 ) for flat objects according to any one of claims 1-10. Packaging system ( 1 flat article according to claim 11, characterized in that the packaging system ( 1 ) for flat objects further comprises: - a frame ( 3 ); - one on the frame ( 3 ) arranged chain transport means ( 5 ), which is a chain driven by a sprocket, a plurality of arranged on the revolving chain and movable with the revolving chain push rods ( 9 ) and two above the circulating chain parallel to each other arranged opposite guide rails, wherein the push rods ( 9 ) protrude upwards from a gap between the two guide rails, and wherein the feeding device ( 7 ) for flat objects for adding the flat objects (F) to the chain conveyor ( 5 ), so that the flat objects (F) of the push rods ( 9 ) from the bottom of the delivery device ( 7 ) for flat objects; and an encapsulation device for encapsulating the out-of-plane and stacked flat objects. Packaging system ( 1 ) for flat objects according to claim 12, characterized in that downwards of the feeding device ( 7 ) for flat objects directly on the pallet ( 15 ) adjacent a guide plate ( 35 ) arranged to guide the out of the feeding device ( 7 ) for flat objects out of flat objects (F).

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