EP3023372A1 - Separating device, splitting device for a separating device and method for operating a separating device - Google Patents
Separating device, splitting device for a separating device and method for operating a separating device Download PDFInfo
- Publication number
- EP3023372A1 EP3023372A1 EP14193675.7A EP14193675A EP3023372A1 EP 3023372 A1 EP3023372 A1 EP 3023372A1 EP 14193675 A EP14193675 A EP 14193675A EP 3023372 A1 EP3023372 A1 EP 3023372A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stack
- separating
- separating device
- paper
- opening
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000011111 cardboard Substances 0.000 claims abstract description 42
- 239000011087 paperboard Substances 0.000 claims abstract description 38
- 238000000926 separation method Methods 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 230000000284 resting effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
- B65H3/48—Air blast acting on edges of, or under, articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/08—Separating articles from piles using pneumatic force
- B65H3/0808—Suction grippers
- B65H3/0816—Suction grippers separating from the top of pile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
- B65H3/60—Loosening articles in piles
- B65H3/62—Loosening articles in piles by swinging, agitating, or knocking the pile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/66—Article guides or smoothers, e.g. movable in operation
- B65H3/68—Article guides or smoothers, e.g. movable in operation immovable in operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/70—Other elements in edge contact with handled material, e.g. registering, orientating, guiding devices
- B65H2404/74—Guiding means
- B65H2404/742—Guiding means for guiding transversely
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/70—Other elements in edge contact with handled material, e.g. registering, orientating, guiding devices
- B65H2404/74—Guiding means
- B65H2404/743—Guiding means for guiding longitudinally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2406/00—Means using fluid
- B65H2406/10—Means using fluid made only for exhausting gaseous medium
- B65H2406/12—Means using fluid made only for exhausting gaseous medium producing gas blast
- B65H2406/122—Nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/176—Cardboard
Definitions
- the invention relates to a separating device for separating a stack of paper or cardboard sheets, with at least one separating device, by means of which the stack for separating the paper or cardboard sheets with a gas stream, in particular an air stream, can be flowed.
- the invention further relates to a separating device for such a separating device and to a method for operating a separating device.
- the local device comprises a plurality of ultrasonic vibration units for applying ultrasound vibrations to edges of a plate resting on top of a plate stack and thereby creating a gap. Further, the local device includes an air nozzle for blowing gas into the gap between the top plate and the plate stack to separate the top plate from the plate stack.
- the DE 1 561 173 A1 discloses an apparatus for the mechanical ventilation of stacks of cardboard or paper sheets.
- the stack is tilted, so lying horizontally on a side surface, which is formed by the stacked sheets inserted into the apparatus, whereby the foremost sheet and the rearmost arc of the stack are at a height.
- the apparatus has a lifting member by means of which individual cardboard sheets of the stack can be moved from its original position in the vertical direction and vibrated. For better separation of the individual, shifted cardboard sheets, these are flowed through a nozzle of the apparatus with compressed air, wherein the nozzle is arranged opposite the lifting member, so that the stack is between the nozzle and the lifting member.
- the invention has for its object to provide an improved separating device, an improved separating device and an improved method of the type mentioned, by means of which a separation of sheets of a stack takes place particularly low-effort and reliable.
- a first aspect of the invention relates to a separating device of the aforementioned type, by means of which a particularly low-effort and reliable separation of sheets of a stack, wherein it is provided according to the invention that a separator for aligning the stack at least one angled alignment and at least one through-opening the angled alignment unit formed, first opening, by means of which the stack for separating the paper or cardboard sheets with at least one gas stream is flowed.
- the angled formed alignment unit may be applied with at least one wall element of the alignment unit to at least one side surface of the stack.
- the angled alignment unit can thus be prevented that the individual paper or cardboard sheets, which are referred to as arcs for simplicity in the following, move in an undesired manner relative to one another, which may be the case in particular when the stack flows by means of the gas flow.
- an air cushion or an air gap is introduced, by means of which it is prevented that during separation of the stack, ie when lifting the respective top sheet from the stack simultaneously underlying Arches lifted off and transported away.
- the separation is thus particularly cost-effective, since adhesion of a plurality of sheets to one another is prevented by simple means.
- the design of the angled alignment unit with the first opening allows both a defined flow, as well as the alignment of the stack.
- the passage opening or the gas stream could be inclined instead of this horizontal orientation in the direction of the footprint of the stack and thus an acute angle with the surface of the Include top sheet.
- the gas flow can be separated from each other by means of the separating device in addition to the described paper or cardboard sheets and, for example, sheets of plastic, wood or metal or any other material.
- the angled alignment unit for aligning the stack has at least two wall elements arranged perpendicular to one another.
- the two wall elements can be arranged, for example, at a right angle to each other and materially connected or alternatively screwed to just to name a few possible types of connection.
- the arrangement at a right angle is not absolutely necessary, but should advantageously be adapted to the corner angle of the sheets to be separated. For example, if the arcs have a hexagonal contour, there is the possibility that the two wall elements may accordingly enclose a 120 ° angle and thus be tightly applied to the stack of hexagonal arcs.
- the two wall elements thus form a suitable stop for aligning the stack in the region around an edge of the stack, which is enclosed at least in regions by the two wall elements of the angled alignment unit.
- the passage opening for the gas stream can be arranged in this case, for example, at an edge opposite the edge of the top resting sheet of the stack, so that when acting on the gas flow any occurring offset of the sheets is effectively prevented relative to the rest of the stack by the angled alignment ,
- By partially enclosing the edge at least in the uppermost region of the stack by the angled alignment is caused for example by the gas flow Wegdriften, ie the relative movement between the uppermost sheet or the top lying sheets and the rest of the stack, lying in at least two in a horizontal plane Effectively prevented directions.
- uppermost part of the stack is meant the area of the stack in which the paper or cardboard sheets are lifted individually from the stack.
- the angled alignment unit thus surrounds a corner of the stack, which corresponds to a base region, i. a support region of the stack is remote, at least partially.
- the angled alignment unit or its wall elements which form an angle, such as a right angle, are arranged in this case in the uppermost region of the stack and enclose one of the corners of the stack at least partially. This will specifically align the bows of the stack that are least affected by the other bends.
- the top sheet or the top sheets of the stack are the least weighted and therefore can particularly easily drift away when blowing the gas stream.
- the lower sheets are pressed by the weight of the overlying sheets and, for that reason alone, are less likely to be subject to any offset due to the gas flow.
- the angled alignment unit has at least one second opening, by means of which the stack for separating the paper or cardboard sheets with the gas stream is flowed, the gas stream by means of the first opening and the second opening into at least two partial streams divisible which are aligned with the stack.
- the first opening and additionally or alternatively the second opening may also have, for example, a nozzle end piece slotted parallel to the footprint of the stack and thus parallel to the contact surface between the sheets or a slotted constriction, which are accordingly arranged on the angled alignment unit.
- the gas flow is particularly broad and forms a particularly uniform, wide gas cushion between the adjacent arches.
- it can effectively and purposefully be prevented that too many of the above-lying arches are streamed simultaneously, but in particular only the top two Sheets.
- the flow rate of the gas stream can be increased.
- the gap between the arcs may then be more easily generated, as compared to a circular cross section of the first opening and, additionally or alternatively, the second opening, even with reduced gas flow.
- the respective flow directions of the two partial flows which are predetermined by the first opening and the second opening, intersect out of the openings after their exit.
- the partial flows can both flow, for example, at a corner of the upper or uppermost sheets and thus produce at this corner a gas flow induced gap between the respective adjacent, overhead sheets.
- the respective corner is formed by a first edge and by an adjacent, for example, at right angles to the first edge extending second edge of the respective, upstanding sheets.
- the one partial flow is now aligned, for example, perpendicular to the first edge and the other partial flow perpendicular to the second edge.
- the two partial flows meet between the respective streamed sheets and form a vertical flow at the intersection of the partial streams, by means of which the sheets can be particularly effectively spaced apart from one another, ie can be forced apart from one another.
- the vertical flow in this case has at least a first flow fraction, which is executed to the footprint of the stack, and another, coaxial thereto second flow portion, which is opposite to aligned.
- the first and second openings for the gas flow can, for example, also be aligned axially aligned with one another on the separating device.
- first opening is designed as a passage opening of the one wall element
- second opening is formed as a passage opening of the other wall element of the alignment unit, wherein both openings are supplied with compressed air, for example via a common supply connection of the separation device.
- first opening and the second opening are connected to one another within the separating device, ie within the angled alignment unit.
- the partial flows can both flow towards one another at the corner of the stack, for example, and axially relative to one another be aligned.
- this comprises two separating devices, which are held on opposite sides of a holding device of the separating device at a distance from each other, which at least substantially corresponds to an edge length of the stack.
- the separating devices are thus kept at the distance in which their alignment units rest particularly closely against the stack.
- a uniform air gap is created between the sheets to be separated, whereby a relative adhesion of the sheets to be separated to each other is particularly effectively prevented.
- the area of the stack of paper or cardboard on which the alignment units abut, against a dislocation or displacement of the sheets to be separated reliably protected.
- the latter comprises at least one vibration device by means of which pulses, in particular mechanical force pulses, can be exerted on the stack.
- the vibration device preferably exerts pulses on the side surfaces of the stack, and thus on the edges of the stacked sheets.
- the sheets are over a short distance, which is limited by the alignment, that is, after which the sheets on the alignment abutment, moved relative to each other, which favors the formation of the air cushion or gas cushion between the sheets to be separated.
- a transition from static friction to sliding friction occurs between the sheets to be separated.
- the vibration unit can be operated independently of the angled alignment unit and arranged separately therefrom.
- the vibration unit is arranged in the region of the paper and cardboard sheets to be separated.
- the vibration device is arranged on the angled alignment unit.
- the angled alignment unit itself vibrates, which is made possible, for example, by arranging vibrating plate elements on the wall elements.
- the vibration device is integrated in this case in the angled alignment unit.
- the pulses generated by the vibration device can be tuned specifically targeted to the flow through the gas stream.
- the separating device comprises these guide elements, by means of which at least some of the paper or cardboard sheets to be separated of the stack along a separating direction can be aligned.
- the separating direction corresponds to the direction along which the sheets to be separated are moved away from the stack.
- the separating device has at least one hold-down device for temporary Holding down the paper or cardboard sheets of the stack.
- the hold-down device By means of the hold-down device, shortly after the lifting of a single sheet from the stack, a pressure force directed in the direction of the footprint of the stack can be exerted on the sheets of the stack. As a result, co-movement due to a suction effect, which can be exerted by the lifting of the uppermost sheet on the underlying sheet or blowing away more sheets are effectively prevented.
- the hold-down device When lifting the top sheet, which is to be isolated, while no pressure force is exerted by the hold-down device, otherwise there is a risk to hold the sheet to be separated and depress.
- this comprises at least one transport device for lifting paper or cardboard sheets to be separated and moving the paper or cardboard sheets to be separated relative to the stack. While a particularly uniform gas cushion is formed between the sheets to be separated by means of the flow with the gas flow, the transport device serves to lift the respective uppermost sheet and its movement along the separating direction. By means of the transport device, a holding force is exerted on the sheet to be separated, whereby it can be moved away from the stack particularly quickly.
- the transport device for lifting the paper or cardboard sheets to be separated can have at least one vacuum suction device. By means of the vacuum suction, the holding force can be applied in a particularly gentle manner to each sheet to be separated, without the sheet is damaged.
- a second aspect of the invention relates to a separating device for a separating device, wherein by means of the separating device, a stack for separating paper or cardboard sheets of the stack with a gas stream, in particular an air flow, can be flowed.
- the separator has in this case for an additional alignment of the stack at least one angled alignment and a through opening formed by the angled alignment first opening, by means of which the stack for separating the paper or Board sheets can be flowed with the gas stream.
- the separator is particularly compact executable and can thus be mounted on a particularly small space on the separating device. For this reason alone, the separation of the sheets by means of the separating device can be carried out with particularly little effort.
- the separator also allows a particularly rapid and reliable separation of each top sheets of the stack.
- a third aspect of the invention relates to a method for operating a separating device, wherein a stack for separating paper or cardboard sheets of the stack with a gas stream, in particular an air stream, is streamed through at least one separating device of the separating device.
- the paper or cardboard sheets are aligned by at least one angled alignment unit of the separator.
- the stack for separating the paper or cardboard sheets is flown through by a passage formed as opening through the angled alignment first opening with the gas stream.
- the angled alignment unit only some of the sheets are flown with the gas stream and their relative offset to the remaining stack is prevented by the angled alignment unit.
- the respective uppermost sheet of the stack can be separated from the underlying sheets of the stack with particularly little effort.
- impulses in particular mechanical impulses
- a vibration device of the separating device This allows a particularly rapid construction of a gas cushion between the sheets to be separated, especially if the impulses are applied simultaneously with the admission of the stack by the gas flow.
- Fig. 1a shows in a schematically illustrated perspective view of an exemplary embodiment of the invention for a separating device 10, wherein for reasons of clarity on the representation of a transport device 70 in Fig. 1a was waived.
- This transport device 70 which also includes respective vacuum cups 72, is in Fig. 1b shown schematically.
- the separating device 10 is used for singulating a stack 12 of paper or cardboard sheets, which in the following will be referred to as sheets 14 in a simplified manner.
- the separating device 10 has two separating devices 24 disposed opposite one another, by means of which the stack 12 can be flowed by a gas stream 36, in particular an air stream, for separating the sheets 14.
- the gas stream 36 is only in Fig. 2a indicated by an arrow.
- FIGS. 1a and 1b One recognizes from the synopsis of FIGS. 1a and 1b in that two separating devices 24 are held at mutually opposite ends, namely a first end 48 and a second end 50 of a holding device 46 of the separating device 10, at a distance x from each other.
- This separation x corresponds at least substantially to an edge length of an edge 20 of the stack 12.
- the separating device 10 also has opposing guide elements, namely a first guide element 62 and a second guide element 64, by means of which at least some of the sheets 14 to be separated 14 of the stack 12 along a separating direction 74 are aligned.
- Fig. 2c an enlarged view of an in Fig.
- the first guide member 62 is designed as a guide rail. At least the uppermost sheet 14, that is to say the sheet 14 resting on the stack 12 and spaced furthest from a base region 18 of the stack 12, can be aligned and guided on this guide rail. In addition to this, some of the top ones can also be Arch 14 lying sheets 14 are aligned and guided by the guide rail. How out Fig. 2c Furthermore, a stack height sensor 76 is arranged on the first guide element 62, which emits two light beams 78 in the present case. On the opposite second guide member 64, a receiver 80 for detecting the light beams 78 is arranged.
- Fig. 2a shows a schematic detail of the separating device 10 according to an in Fig. 1a
- the separating device 24 has alignment units 26, which are formed angled and are applied to a corner region of the stack 12 and align it.
- the alignment unit 26 has a first opening 32 formed as a passage opening, through which the corresponding region of the stack 12 with the gas stream 36 can be flowed.
- the stack 12 is held in position when flowing with the gas stream 36.
- the first opening 32 is disposed on a chamfer 31 of the angled alignment unit 26.
- the angled alignment unit 26 for aligning the stack 12 in the present case has two wall elements arranged perpendicular to one another, namely a first wall element 28 and a second wall element 30.
- the gas stream 36 flows, for example via a not shown here compressed air connection, which is connected to the first opening 32, by the angled alignment unit 26 on a corner portion 16 of the stack 12, said corner portion 16 facing away from the base portion 18 of the stack 12 on the pallet 22.
- the alignment unit 26 of the respective separator 24 surrounds the corner region 16 of the stack 12 at least partially, only a movement of the uppermost sheet 14 along the separating direction 74 is allowed, whereas a movement of the uppermost sheet 14 in different directions by means of the angled alignment units 26th the two separating devices 24 and by means of the two guide elements 62, 64 is prevented.
- the first opening 32 formed as a passage opening may be formed, for example, as a straight bore through the angled alignment unit 26, or, as in FIGS Fig. 2a and Fig. 2b shown to be realized by a plurality of holes within the angled alignment unit 26.
- the first opening 32 is guided by the chamfer 31 through the first wall element 28 in the angled alignment unit 26, whereby in the present case at least a first partial stream 38 of the gas stream 36 enters the angled alignment unit 26 at the chamfer 31 facing away from the stack 12 and on a side facing the stack 12 of the first wall element 28 emerges from this.
- the separator 24 has a second opening 34, by means of which the stack 12 for separating the sheets 14 is also flowed with the gas stream 36, wherein the gas stream 36 by means of the first opening 32 and the second opening 34 in two partial streams, namely the first partial flow 38, which is aligned according to a first flow direction 42 on the stack 12 and a second partial flow 40, which is aligned according to a second flow direction 44 on the stack 12, is divisible.
- the first partial flow 38 flows out of the first opening 32 and the second partial flow 40 out of the second opening 34 in the direction of the stack 12.
- the second opening 34 is configured as a through-opening just like the first opening 32.
- the second runs Opening 34 through the second wall member 30 and is connected to the first opening 32 gas-conducting.
- This allows the gas stream 36 within the angled alignment unit 26 to be split into the first substream 38 and the second substream 40 at substantially equal mass flow rates.
- the stack 12 can flow in particularly uniformly in its corner region 16.
- the flow directions predetermined by the openings 32, 34 that is to say the first flow direction 42 and the second flow direction 44 of the two partial flows 38, 40, intersect in an area behind the outlet of the partial flows.
- the separating device 10 has a Hold-down device 66, by means of which the remaining sheets 14 of the stack 12 are depressed in accordance with a downwardly directed in the direction of the base region 18 hold-down 68.
- the separating device 10 has a vibration device 52, by means of which pulses 54, 56, 58, 60, in particular mechanical impulses of force can be exerted on the stack.
- the first pulse 54 and the second pulse 56 are oppositely directed to each other, wherein the third pulse 58 and the fourth pulse 60 in the same direction, which also corresponds to the singulation direction 74, are aligned. It is clear that only one, two or three of the pulses 54, 56, 58, 60 can be applied to the stack 12 and not necessarily all the pulses 54, 56, 58, 60.
- the vibration device 52 at the angled alignment unit 26 is arranged.
- the vibration device 52 in this case comprises two vibrator elements 53, from which one each on the first wall element 28 and one on the second wall element 30 is arranged.
- the vibrator elements 53 respectively move relative to the angled alignment unit 26 during operation of the vibrator 52, thereby imparting the impulses to the alignment unit 26 and, via them, to the sheets 14 of the stack 12.
- An impulse is generally to be understood as an impulse change, which results from the force on the impulsed arcs 14 and the duration of the action of the force. Due to the permanent, caused by the vibrator 53 relative movement of the impulsed sheets 14, the force on the sheets 14 is not constant, but varies, so by means of the vibrator 53 pulses 54, 56, 58, 60 different strengths (non-constant pulses) are exercised.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
Die Erfindung betrifft eine Vereinzelungsvorrichtung (10) zum Vereinzeln eines Stapels (12) aus Papier- oder Kartonbögen (14), mit mindestens einer Trenneinrichtung (24), mittels welcher der Stapel (12) zum Vereinzeln der Papieroder Kartonbögen (14) mit einem Gasstrom (36), insbesondere einem Luftstrom, anströmbar ist, wobei die Trenneinrichtung (24) zum Ausrichten des Stapels (12) mindestens eine gewinkelte Ausrichteinheit (26) und eine als Durchgangsöffnung durch die gewinkelte Ausrichteinheit (26) ausgebildete erste Öffnung (32) aufweist, mittels welcher der Stapel (12) zum Vereinzeln der Papier- oder Kartonbögen (14) mit dem Gasstrom (36) anströmbar ist. Die Erfindung betrifft des Weiteren eine Trenneinrichtung (24) für eine Vereinzelungsvorrichtung (10) sowie in Verfahren zum Betreiben einer Vereinzelungsvorrichtung (10).The invention relates to a separating device (10) for separating a stack (12) from paper or cardboard sheets (14), with at least one separating device (24), by means of which the stack (12) for separating the paper or cardboard sheets (14) with a gas stream (36), in particular an air flow, can be flowed, wherein the separating device (24) for aligning the stack (12) has at least one angled alignment unit (26) and a first opening (32) formed as a passage opening through the angled alignment unit (26), by means of which the stack (12) for separating the paper or cardboard sheets (14) with the gas stream (36) can be flowed. The invention further relates to a separating device (24) for a separating device (10) and to methods for operating a separating device (10).
Description
Die Erfindung betrifft eine Vereinzelungsvorrichtung zum Vereinzeln eines Stapels aus Papier- oder Kartonbögen, mit mindestens einer Trenneinrichtung, mittels welcher der Stapel zum Vereinzeln der Papier- oder Kartonbögen mit einem Gasstrom, insbesondere einem Luftstrom, anströmbar ist. Die Erfindung betrifft weiterhin eine Trenneinrichtung für eine derartige Vereinzelungsvorrichtung sowie ein Verfahren zum Betreiben einer Vereinzelungsvorrichtung.The invention relates to a separating device for separating a stack of paper or cardboard sheets, with at least one separating device, by means of which the stack for separating the paper or cardboard sheets with a gas stream, in particular an air stream, can be flowed. The invention further relates to a separating device for such a separating device and to a method for operating a separating device.
Eine Vorrichtung zum Vereinzeln von Platten ist bereits der
Die
Der Erfindung liegt die Aufgabe zugrunde, eine verbesserte Vereinzelungsvorrichtung, eine verbesserte Trenneinrichtung sowie ein verbessertes Verfahren der eingangs genannten Art zu schaffen, mittels welchen eine Vereinzelung von Bögen eines Stapels besonders aufwandsarm und zuverlässig erfolgt.The invention has for its object to provide an improved separating device, an improved separating device and an improved method of the type mentioned, by means of which a separation of sheets of a stack takes place particularly low-effort and reliable.
Diese Aufgabe wird durch eine Vereinzelungsvorrichtung gemäß Patentanspruch 1, durch eine Trenneinrichtung gemäß Patentanspruch 13 sowie durch ein Verfahren gemäß Patentanspruch 14 gelöst. Vorteilhafte Ausgestaltungen mit zweckmäßigen Weiterbildungen der Erfindung sind in den jeweiligen Unteransprüchen angegeben, wobei vorteilhafte Ausgestaltungen der Vereinzelungsvorrichtung als vorteilhafte Ausgestaltungen des Verfahrens sowie der Trenneinrichtung und umgekehrt anzusehen sind.This object is achieved by a separating device according to claim 1, by a separating device according to claim 13 and by a method according to
Ein erster Aspekt der Erfindung betrifft eine Vereinzelungsvorrichtung der eingangs genannten Art, mittels welcher eine besonders aufwandsarme und zuverlässige Vereinzelung von Bögen eines Stapels erfolgt, wobei es erfindungsgemäß vorgesehen ist, dass eine Trenneinrichtung zum Ausrichten des Stapels mindestens eine gewinkelte Ausrichteinheit und mindestens eine als Durchgangsöffnung durch die gewinkelte Ausrichteinheit ausgebildete, erste Öffnung aufweist, mittels welcher der Stapel zum Vereinzeln der Papier- oder Kartonbögen mit mindestens einem Gasstrom anströmbar ist. Die gewinkelte ausgebildete Ausrichteinheit kann mit mindestens einem Wandelement der Ausrichteinheit an mindestens eine Seitenfläche des Stapels angelegt werden. Durch die gewinkelte Ausrichteinheit kann somit verhindert werden, dass sich die einzelnen Papier- oder Kartonbögen, welche im Folgenden vereinfachend als Bögen bezeichnet werden, in unerwünschter Weise relativ zueinander bewegen, was insbesondere beim Anströmen des Stapels mittels des Gasstroms der Fall sein kann. Durch das Beaufschlagen der aufeinander gestapelten Bögen mit dem Gasstrom wird zumindest bereichsweise, also zwischen einige der Bögen, ein Luftpolster bzw. ein Luftspalt eingebracht, mittels welchem verhindert wird, dass beim Vereinzeln des Stapels, also beim Abheben des jeweils obersten Bogens vom Stapel gleichzeitig darunterliegende Bögen abgehoben und abtransportiert werden. Durch das Anströmen mit dem Gasstrom ist das Vereinzeln somit besonders aufwandsarm, da mit einfachen Mitteln ein Haften mehrerer Bögen aneinander unterbunden wird. Ohne das Anströmen mit dem Gasstrom kann es aufgrund des mitunter großflächigen Kontakts zweier benachbarter Bögen nämlich zu einem unerwünschten, gleichzeitigen Transport mehrerer Bögen kommen, da ein beim senkrechten Auseinanderbewegen der Bögen zwischen diesen entstehender Unterdruck zu einem zumindest zeitweisen Anhaften der Bögen aneinander führen kann. Die Ausgestaltung der gewinkelt ausgebildeten Ausrichteinheit mit der ersten Öffnung ermöglicht sowohl ein definiertes Anströmen, als auch das Ausrichten des Stapels.A first aspect of the invention relates to a separating device of the aforementioned type, by means of which a particularly low-effort and reliable separation of sheets of a stack, wherein it is provided according to the invention that a separator for aligning the stack at least one angled alignment and at least one through-opening the angled alignment unit formed, first opening, by means of which the stack for separating the paper or cardboard sheets with at least one gas stream is flowed. The angled formed alignment unit may be applied with at least one wall element of the alignment unit to at least one side surface of the stack. By the angled alignment unit can thus be prevented that the individual paper or cardboard sheets, which are referred to as arcs for simplicity in the following, move in an undesired manner relative to one another, which may be the case in particular when the stack flows by means of the gas flow. By applying the stacked sheets with the gas flow, at least in some areas, ie between some of the sheets, an air cushion or an air gap is introduced, by means of which it is prevented that during separation of the stack, ie when lifting the respective top sheet from the stack simultaneously underlying Arches lifted off and transported away. As a result of the flow against the gas stream, the separation is thus particularly cost-effective, since adhesion of a plurality of sheets to one another is prevented by simple means. Without the flow against the gas flow, it may come to an undesirable, simultaneous transport of multiple sheets because of the sometimes large-area contact of two adjacent arcs, as a vertical displacement apart of the sheets between them resulting negative pressure can lead to an at least temporary adhesion of the sheets together. The design of the angled alignment unit with the first opening allows both a defined flow, as well as the alignment of the stack.
Durch ein etwaiges, gleichzeitiges Transportieren mehrerer Bögen, also bei erfolglosem Vereinzeln, kann es beispielsweise zu Störungen in weiteren Verarbeitungsmaschinen kommen, welche durch die Vereinzelungsvorrichtung mit einzelnen Bögen zu versorgen ist. Als Beispiele können hier Druck-, Präge- und/oder Schneidvorrichtungen für Papier- oder Kartonbögen angeführt werden, an welchen Störungen hervorgerufen werden, falls diese mit einem dünnen Stapel von zwei oder mehreren Bögen bestückt werden. Dies wird durch den durch die erfindungsgemäße Vereinzelungsvorrichtung erzeugten und gelenkten Gasstrom besonders wirksam unterbunden. Die Verwendung eines Luftstroms als Gasstrom bietet sich dabei aufgrund der unkomplizierten Handhabung von Luft besonders an. Die Durchgangsöffnung und damit der Gasstrom ist beispielsweise auf eine Seitenfläche des Stapels und somit senkrecht auf die Seitenkanten der aufeinanderliegenden Bögen ausgerichtet. Alternativ dazu könnte die Durchgangsöffnung bzw. der Gasstrom statt dieser horizontalen Ausrichtung auch in Richtung der Aufstandsfläche des Stapels geneigt sein und damit einen spitzen Winkel mit der Oberfläche des obersten Bogens einschließen. Bei ausreichender Intensität des Gasstroms können mittels der Vereinzelungsvorrichtung neben den beschriebenen Papier- oder Kartonbögen auch beispielsweise Bögen aus Kunststoff, Holz oder Metall oder einem beliebigen anderen Werkstoff voneinander getrennt werden.By a possible, simultaneous transporting multiple sheets, so in unsuccessful separation, it may, for example, come to disturbances in other processing machines, which is to be supplied by the separating device with individual sheets. By way of example, printing, embossing and / or cutting devices for paper or cardboard sheets can be cited here, which are caused by faults, if they are equipped with a thin stack of two or more sheets. This is particularly effectively prevented by the generated and controlled by the inventive separation device gas stream. The use of an air stream as a gas stream offers itself due to the uncomplicated handling of air especially. The passage opening and thus the gas flow is aligned for example on a side surface of the stack and thus perpendicular to the side edges of the superimposed sheets. Alternatively, the passage opening or the gas stream could be inclined instead of this horizontal orientation in the direction of the footprint of the stack and thus an acute angle with the surface of the Include top sheet. With sufficient intensity of the gas flow can be separated from each other by means of the separating device in addition to the described paper or cardboard sheets and, for example, sheets of plastic, wood or metal or any other material.
In einer vorteilhaften Ausgestaltung der erfindungsgemäßen Vorrichtung weist die gewinkelte Ausrichteinheit zum Ausrichten des Stapels mindestens zwei senkrecht zueinander angeordnete Wandelemente auf. Die beiden Wandelemente können dabei beispielsweise in einem rechten Winkel zueinander angeordnet und stoffschlüssig verbunden oder alternativ dazu verschraubt sein, um nur einige mögliche Verbindungsarten zu nennen. Die Anordnung in einem rechten Winkel ist dabei nicht zwingend erforderlich, sondern sollte vorteilhafterweise an die Eckwinkel der zu vereinzelnden Bögen angepasst sein. Weisen die Bögen beispielsweise eine Sechseckkontur auf, so besteht die Möglichkeit, dass die beiden Wandelemente dementsprechend einen 120°-Winkel einschließen und so eng an den Stapel aus sechseckigen Bögen angelegt werden können. Die beiden Wandelemente bilden somit einen geeigneten Anschlag zum Ausrichten des Stapels im Bereich um eine Kante des Stapels, welche zumindest bereichsweise durch die beiden Wandelemente der gewinkelten Ausrichteinheit umschlossen ist. Die Durchgangsöffnung für den Gasstrom kann in diesem Fall beispielsweise an einer dieser Kante gegenüberliegenden Kante des oben aufliegenden Bogens des Stapels angeordnet sein, so dass beim Beaufschlagen mit dem Gasstrom ein etwaiger auftretender Versatz der Bögen relativ zu dem restlichen Stapel durch die gewinkelte Ausrichteinheit wirksam unterbunden wird. Durch das bereichsweise Umschließen der Kante zumindest im obersten Bereich des Stapels durch die gewinkelte Ausrichteinheit ist ein beispielsweise durch den Gasstrom hervorgerufenes Wegdriften, also die Relativbewegung zwischen dem obersten Bogen oder den oben aufliegenden Bögen und dem restlichen Stapel, in zumindest zwei in einer horizontalen Ebene liegenden Richtungen wirksam unterbunden. Unter "oberster Bereich" des Stapels ist dabei der Bereich des Stapels zu verstehen, in dem die Papier- oder Kartonbögen einzeln von dem Stapel abgehoben werden.In an advantageous embodiment of the device according to the invention, the angled alignment unit for aligning the stack has at least two wall elements arranged perpendicular to one another. The two wall elements can be arranged, for example, at a right angle to each other and materially connected or alternatively screwed to just to name a few possible types of connection. The arrangement at a right angle is not absolutely necessary, but should advantageously be adapted to the corner angle of the sheets to be separated. For example, if the arcs have a hexagonal contour, there is the possibility that the two wall elements may accordingly enclose a 120 ° angle and thus be tightly applied to the stack of hexagonal arcs. The two wall elements thus form a suitable stop for aligning the stack in the region around an edge of the stack, which is enclosed at least in regions by the two wall elements of the angled alignment unit. The passage opening for the gas stream can be arranged in this case, for example, at an edge opposite the edge of the top resting sheet of the stack, so that when acting on the gas flow any occurring offset of the sheets is effectively prevented relative to the rest of the stack by the angled alignment , By partially enclosing the edge at least in the uppermost region of the stack by the angled alignment is caused for example by the gas flow Wegdriften, ie the relative movement between the uppermost sheet or the top lying sheets and the rest of the stack, lying in at least two in a horizontal plane Effectively prevented directions. By "uppermost part" of the stack is meant the area of the stack in which the paper or cardboard sheets are lifted individually from the stack.
Gemäß einer weiteren vorteilhaften Ausgestaltung der erfindungsgemäßen Vorrichtung umgibt somit die gewinkelte Ausrichteinheit eine Ecke des Stapels, welche einem Basisbereich, d.h. einem Auflagebereich des Stapels abgewandt ist, zumindest bereichsweise. Die gewinkelte Ausrichteinheit bzw. deren Wandelemente, welche einen Winkel, wie beispielsweise einen rechten Winkel bilden, sind in diesem Fall im obersten Bereich des Stapels angeordnet und umschließen dort eine der Ecken des Stapels zumindest bereichsweise. Dadurch werden speziell die am wenigsten durch die anderen Bögen belasteten Bögen des Stapels ausgerichtet. Dies ist besonders vorteilhaft, da der oberste Bogen oder die obersten Bögen des Stapels am wenigsten gewichtsbelastet sind und dementsprechend beim Einblasen des Gasstroms besonders leicht wegdriften können. Im Gegensatz dazu werden die unteren Bögen durch die Gewichtskraft der darüberliegenden Bögen angedrückt und neigen allein deshalb weniger dazu, einem etwaigen Versatz bzw. einem Verrutschen bedingt durch den Gasstrom ausgesetzt zu sein.According to a further advantageous embodiment of the device according to the invention, the angled alignment unit thus surrounds a corner of the stack, which corresponds to a base region, i. a support region of the stack is remote, at least partially. The angled alignment unit or its wall elements, which form an angle, such as a right angle, are arranged in this case in the uppermost region of the stack and enclose one of the corners of the stack at least partially. This will specifically align the bows of the stack that are least affected by the other bends. This is particularly advantageous because the top sheet or the top sheets of the stack are the least weighted and therefore can particularly easily drift away when blowing the gas stream. In contrast, the lower sheets are pressed by the weight of the overlying sheets and, for that reason alone, are less likely to be subject to any offset due to the gas flow.
In weiteren vorteilhaften Ausgestaltungen der erfindungsgemäßen Vorrichtung weist die gewinkelte Ausrichteinheit wenigstens eine zweite Öffnung auf, mittels welcher der Stapel zum Vereinzeln der Papier- oder Kartonbögen mit dem Gasstrom anströmbar ist, wobei der Gasstrom mittels der ersten Öffnung und der zweiten Öffnung in wenigstens zwei Teilströme aufteilbar ist, welche auf den Stapel ausgerichtet sind. Durch das Anströmen des Stapels mittels der ersten und der zweiten Öffnung, also durch die zwei Teilströme, kann ein besonders gleichmäßig verteiltes Luftpolster zwischen den zu trennenden Bögen aufgebaut werden. Mit anderen Worten wird somit das Anhaften von benachbarten Bögen aneinander besonders großflächig unterbunden. Die erste Öffnung und zusätzlich oder alternativ die zweite Öffnung können auch beispielsweise ein parallel zur Aufstandsfläche des Stapels und somit parallel zur Kontaktfläche zwischen den Bögen geschlitztes Düsenendstück oder eine geschlitzte Verengung aufweisen, welche dementsprechend an der gewinkelten Ausrichteinheit angeordnet sind. Somit ist der Gasstrom besonders breit gefächert und bildet zwischen den benachbarten Bögen ein besonders gleichmäßiges, breites Gaspolster aus. Zudem kann dadurch wirksam und zielgerichtet unterbunden werden, dass zu viele der oben aufliegenden Bögen gleichzeitig angeströmt werden, sondern insbesondere nur die obersten beiden Bögen. Durch das Verwenden eines derartigen, geschlitzten Düsenendstücks oder einer geschlitzten Verengung kann die Strömungsgeschwindigkeit des Gasstroms erhöht werden. Der Spalt zwischen den Bögen kann dann im Vergleich zu einem runden Querschnitt der ersten Öffnung und zusätzlich oder alternativ der zweiten Öffnung sogar bei reduziertem Gasstrom leichter erzeugt werden.In further advantageous embodiments of the device according to the invention, the angled alignment unit has at least one second opening, by means of which the stack for separating the paper or cardboard sheets with the gas stream is flowed, the gas stream by means of the first opening and the second opening into at least two partial streams divisible which are aligned with the stack. By the flow of the stack by means of the first and the second opening, so by the two partial streams, a particularly uniformly distributed air cushion between the sheets to be separated can be constructed. In other words, the adherence of adjacent sheets to each other is therefore prevented over a particularly large area. The first opening and additionally or alternatively the second opening may also have, for example, a nozzle end piece slotted parallel to the footprint of the stack and thus parallel to the contact surface between the sheets or a slotted constriction, which are accordingly arranged on the angled alignment unit. Thus, the gas flow is particularly broad and forms a particularly uniform, wide gas cushion between the adjacent arches. In addition, it can effectively and purposefully be prevented that too many of the above-lying arches are streamed simultaneously, but in particular only the top two Sheets. By using such a slotted nozzle end or a slotted throat, the flow rate of the gas stream can be increased. The gap between the arcs may then be more easily generated, as compared to a circular cross section of the first opening and, additionally or alternatively, the second opening, even with reduced gas flow.
Zudem besteht die Möglichkeit, dass sich die jeweiligen, durch die erste Öffnung und die zweite Öffnung vorgegebenen Strömungsrichtungen der zwei Teilströme nach ihrem Austritt aus den Öffnungen schneiden. Die Teilströme können beide zum Beispiel an einer Ecke der oberen bzw. obersten Bögen einströmen und somit an dieser Ecke einen durch den Gasstrom induzierten Spalt zwischen den jeweils benachbarten, oben aufliegenden Bögen erzeugen. Die jeweilige Ecke ist dabei durch eine erste Kante und durch eine dazu benachbarte, beispielsweise im rechten Winkel zu der ersten Kante verlaufende zweite Kante der jeweiligen, oben aufliegenden Bögen gebildet. Der eine Teilstrom ist nun beispielsweise senkrecht zu der ersten Kante und der andere Teilstrom senkrecht zu der zweiten Kante ausgerichtet. Dies führt dazu, dass sich die beiden Teilströme zwischen den jeweiligen angeströmten Bögen treffen und an dem Schnittbereich der Teilströme einen Vertikalstrom bilden, mittels welchem die Bögen besonders effektiv voneinander beabstandet, also auseinandergedrückt werden können. Der Vertikalstrom weist dabei zumindest einen ersten Strömungsanteil auf, welcher zur Aufstandsfläche des Stapels hingerichtet ist, und einen weiteren, dazu koaxialen zweiten Strömungsanteil, welcher entgegengesetzt dazu ausgerichtet ist. Die erste und zweite Öffnung für den Gasstrom können beispielsweise auch axial fluchtend zueinander an der Trenneinrichtung ausgerichtet sein. Dies lässt sich besonders einfach bewerkstelligen, wenn die erste Öffnung als Durchgangsöffnung des einen Wandelements, und die zweite Öffnung als Durchgangsöffnung des anderen Wandelements der Ausrichteinheit ausgebildet ist, wobei beide Öffnungen beispielsweise über einen gemeinsamen Versorgungsanschluss der Trenneinrichtung mit Druckluft versorgt werden. Beispielsweise sind die erste Öffnung und die zweite Öffnung dabei innerhalb der Trenneinrichtung, also innerhalb der gewinkelten Ausrichteinheit miteinander verbunden. Die Teilströme können beide zum Beispiel an der Ecke des Stapels aufeinander zuströmen und axial zueinander ausgerichtet sein. Im Bereich des Zusammentreffens der Teilströme kann es zu einer besonders starken Ablenkung beider Teilströme und infolgedessen zu effektiven, ungefähr senkrecht zu den Teilströmen ausgerichteten Aufwärts- und Abwärtsströmen kommen, welche einen im Vergleich zu dem eben erwähnten ersten Strömungsanteil und dem zweiten Strömungsanteil noch größeren Druck auf die Kontaktflächen der voneinander zu vereinzelnden Bögen ausüben und diese somit noch wirkungsvoller voneinander beabstanden.In addition, there is the possibility that the respective flow directions of the two partial flows, which are predetermined by the first opening and the second opening, intersect out of the openings after their exit. The partial flows can both flow, for example, at a corner of the upper or uppermost sheets and thus produce at this corner a gas flow induced gap between the respective adjacent, overhead sheets. The respective corner is formed by a first edge and by an adjacent, for example, at right angles to the first edge extending second edge of the respective, upstanding sheets. The one partial flow is now aligned, for example, perpendicular to the first edge and the other partial flow perpendicular to the second edge. As a result, the two partial flows meet between the respective streamed sheets and form a vertical flow at the intersection of the partial streams, by means of which the sheets can be particularly effectively spaced apart from one another, ie can be forced apart from one another. The vertical flow in this case has at least a first flow fraction, which is executed to the footprint of the stack, and another, coaxial thereto second flow portion, which is opposite to aligned. The first and second openings for the gas flow can, for example, also be aligned axially aligned with one another on the separating device. This can be accomplished particularly simply if the first opening is designed as a passage opening of the one wall element, and the second opening is formed as a passage opening of the other wall element of the alignment unit, wherein both openings are supplied with compressed air, for example via a common supply connection of the separation device. For example, the first opening and the second opening are connected to one another within the separating device, ie within the angled alignment unit. The partial flows can both flow towards one another at the corner of the stack, for example, and axially relative to one another be aligned. In the region of the coincidence of the partial flows, a particularly strong deflection of the two partial flows and, consequently, to effective upward and downward flows oriented approximately perpendicularly to the partial flows may occur, which pressure is even greater than that of the first flow component mentioned above and the second flow component exert the contact surfaces of the sheets to be separated from each other and thus more effectively spaced from each other.
In einer weiteren vorteilhaften Ausgestaltung der erfindungsgemäßen Vereinzelungsvorrichtung umfasst diese zwei Trenneinrichtungen, die an einander gegenüberliegenden Seiten einer Halteeinrichtung der Vereinzelungsvorrichtung in einem Abstand zueinander gehalten sind, welcher zumindest im Wesentlichen einer Kantenlänge des Stapels entspricht. Dadurch dass die Trenneinrichtungen in dem Abstand zueinander gehalten sind, welcher zumindest im Wesentlichen der Kantenlänge des Stapels entspricht, können die Gasströme beider Trenneinrichtungen gezielt auf benachbarte Ecken des Papier- oder Kartonstapels ausgerichtet werden. Die Trenneinrichtungen werden also in dem Abstand gehalten, in welchem deren Ausrichteinheiten besonders eng an dem Stapel anliegen. Dadurch wird ein einerseits gleichmäßiger Luftspalt zwischen den zu vereinzelnden Bögen geschaffen, wodurch ein relatives Anhaften der zu vereinzelnden Bögen aneinander besonders wirkungsvoll unterbunden wird. Zudem wird der Bereich des Papier- oder Kartonstapels, an dem die Ausrichteinheiten anliegen, gegen ein Verrücken oder Verschieben der zu vereinzelnden Bögen, zuverlässig geschützt. Mittels der Halteeinrichtung ist eine Relativbewegung der zwei Trenneinrichtungen zueinander wirksam unterbunden.In a further advantageous embodiment of the separating device according to the invention, this comprises two separating devices, which are held on opposite sides of a holding device of the separating device at a distance from each other, which at least substantially corresponds to an edge length of the stack. The fact that the separation devices are kept at a distance to each other, which corresponds at least substantially to the edge length of the stack, the gas streams of both separation devices can be targeted to adjacent corners of the paper or cardboard stack aligned. The separating devices are thus kept at the distance in which their alignment units rest particularly closely against the stack. As a result, on the one hand a uniform air gap is created between the sheets to be separated, whereby a relative adhesion of the sheets to be separated to each other is particularly effectively prevented. In addition, the area of the stack of paper or cardboard on which the alignment units abut, against a dislocation or displacement of the sheets to be separated, reliably protected. By means of the holding device, a relative movement of the two separating devices is effectively prevented from each other.
In einer weiteren vorteilhaften Ausgestaltung der erfindungsgemäßen Vereinzelungsvorrichtung umfasst diese mindestens eine Vibrationseinrichtung mittels welcher Impulse, insbesondere mechanische Kraftstöße, auf den Stapel ausübbar sind. Die Vibrationseinrichtung übt dabei vorzugsweise Impulse auf die Seitenflächen des Stapels, und somit auf die Kanten der aufeinanderliegenden Bögen aus. Dadurch werden die Bögen über eine kurze Wegstrecke, welche durch die Ausrichteinheit begrenzt ist, also nach welcher die Bögen an der Ausrichteinheit anliegen, relativ zueinander bewegt, was das Ausbilden des Luftpolsters bzw. Gaspolsters zwischen den zu vereinzelnden Bögen begünstigt. Bereits durch das Ausüben der Impulse erfolgt ein Übergang von der Haftreibung hin zur Gleitreibung zwischen den zu vereinzelnden Bögen. Dadurch kann es zu einem zumindest bereichsweisen Ausbilden des Gaspolsters, also des Spaltes, bzw. Luftspaltes zwischen den Bögen kommen, welches durch die Anströmung mit dem Gasstrom oder der Teilströme des Gasstroms noch weiter vergrößert wird. Mit anderen Worten wird mittels der Impulse ein Minimalspalt zwischen den aufeinanderliegenden Bögen erzeugt und dadurch auf besonders wirksame Weise eine Angriffszone für den Gasstrom geschaffen, in welcher der Gasstrom besonders wirksam zwischen zwei benachbarte Bögen, welche vereinzelt werden sollen, einströmen kann. Die Vibrationseinheit kann unabhängig von der gewinkelten Ausrichteinheit betrieben und getrennt von dieser angeordnet sein. Insbesondere ist die Vibrationseinheit im bereich der zu vereinzelnden Papier- und Kartonbögen angeordnet. Zudem besteht die Möglichkeit, dass die Vibrationseinrichtung an der gewinkelten Ausrichteinheit angeordnet ist. Mit anderen Worten vibriert bei dieser Anordnung die gewinkelte Ausrichteinheit selbst, was beispielsweise dadurch ermöglicht ist, dass vibrierende Plattenelemente an den Wandelementen angeordnet sind. Die Vibrationseinrichtung ist in diesem Fall in die gewinkelte Ausrichteinheit integriert. Dadurch können die durch die Vibrationseinrichtung erzeugten Impulse besonders gezielt auf die Anströmung durch den Gasstrom abgestimmt sein.In a further advantageous embodiment of the separating device according to the invention, the latter comprises at least one vibration device by means of which pulses, in particular mechanical force pulses, can be exerted on the stack. The vibration device preferably exerts pulses on the side surfaces of the stack, and thus on the edges of the stacked sheets. As a result, the sheets are over a short distance, which is limited by the alignment, that is, after which the sheets on the alignment abutment, moved relative to each other, which favors the formation of the air cushion or gas cushion between the sheets to be separated. Already by applying the pulses, a transition from static friction to sliding friction occurs between the sheets to be separated. This can lead to an at least regional formation of the gas cushion, ie the gap, or air gap between the sheets, which is further increased by the flow with the gas stream or the partial streams of the gas stream. In other words, by means of the pulses, a minimum gap is created between the superimposed sheets, thereby providing an attack zone for the gas stream in a particularly effective manner, in which the gas stream can flow particularly effectively between two adjacent sheets which are to be separated. The vibration unit can be operated independently of the angled alignment unit and arranged separately therefrom. In particular, the vibration unit is arranged in the region of the paper and cardboard sheets to be separated. In addition, there is the possibility that the vibration device is arranged on the angled alignment unit. In other words, in this arrangement, the angled alignment unit itself vibrates, which is made possible, for example, by arranging vibrating plate elements on the wall elements. The vibration device is integrated in this case in the angled alignment unit. As a result, the pulses generated by the vibration device can be tuned specifically targeted to the flow through the gas stream.
In einer weiteren vorteilhaften Ausgestaltung der erfindungsgemäßen Vereinzelungsvorrichtung umfasst diese Führungselemente, mittels welcher zumindest einige der zu vereinzelnden Papier- oder Kartonbögen des Stapels entlang einer Vereinzelungsrichtung ausrichtbar sind. Die Vereinzelungsrichtung entspricht dabei der Richtung, entlang welcher die zu vereinzelnden Bögen von dem Stapel weg bewegt werden. Mittels der Führungselemente kann somit ein Verdrehen der zu vereinzelnden Bögen in ihrer Auflageebene, und somit parallel und relativ zum Basisbereich des Stapels wirksam unterbunden werden.In a further advantageous embodiment of the separating device according to the invention comprises these guide elements, by means of which at least some of the paper or cardboard sheets to be separated of the stack along a separating direction can be aligned. The separating direction corresponds to the direction along which the sheets to be separated are moved away from the stack. By means of the guide elements can thus be effectively prevented twisting of the sheets to be separated in their support plane, and thus parallel and relative to the base region of the stack.
In einer weiteren vorteilhaften Ausgestaltung der Erfindung weist die Vereinzelungsvorrichtung wenigstens eine Niederhaltevorrichtung zum zeitweisen Niederhalten der Papier- oder Kartonbögen des Stapels auf. Mittels der Niederhaltevorrichtung ist kurz nach dem Abheben eines einzelnen Bogens von dem Stapel eine in Richtung der Aufstandsfläche des Stapels gerichtete Druckkraft auf die Bögen des Stapels ausübbar. Dadurch kann ein Mitbewegen infolge einer Sogwirkung, welche durch das Abheben des obersten Bogens auf den darunter liegenden Bogen ausgeübt werden kann oder ein Wegblasen weiterer Bögen wirksam unterbunden werden. Beim Abheben des obersten Bogens, welcher vereinzelt werden soll, wird dabei keine Druckkraft durch die Niederhaltevorrichtung ausgeübt, da sonst die Gefahr besteht, den zu vereinzelnden Bogen festzuhalten und niederzudrücken.In a further advantageous embodiment of the invention, the separating device has at least one hold-down device for temporary Holding down the paper or cardboard sheets of the stack. By means of the hold-down device, shortly after the lifting of a single sheet from the stack, a pressure force directed in the direction of the footprint of the stack can be exerted on the sheets of the stack. As a result, co-movement due to a suction effect, which can be exerted by the lifting of the uppermost sheet on the underlying sheet or blowing away more sheets are effectively prevented. When lifting the top sheet, which is to be isolated, while no pressure force is exerted by the hold-down device, otherwise there is a risk to hold the sheet to be separated and depress.
In einer weiteren vorteilhaften Ausgestaltung der erfindungsgemäßen Vereinzelungsvorrichtung umfasst diese mindestens eine Transportvorrichtung zum Anheben von zu vereinzelnden Papier- oder Kartonbögen und Bewegen der zu vereinzelnden Papier- oder Kartonbögen relativ zu dem Stapel. Während mittels der Anströmung mit dem Gasstrom ein besonders gleichmäßiges Gaspolster zwischen den zu vereinzelnden Bögen ausgebildet wird, dient die Transportvorrichtung zum Anheben des jeweils obersten Bogens und dessen Bewegung entlang der Vereinzelungsrichtung. Mittels der Transportvorrichtung wird eine Haltekraft auf den zu vereinzelnden Bogen ausgeübt, wodurch dieser besonders zügig von dem Stapel wegbewegt werden kann. Dabei kann die Transportvorrichtung zum Anheben der zu vereinzelnden Papier- oder Kartonbögen mindestens einen Vakuumsauger aufweisen. Mittels des Vakuumsaugers kann die Haltekraft auf besonders schonende Weise auf den jeweils zu vereinzelnden Bogen aufgebracht werden, ohne dass der Bogen beschädigt wird.In a further advantageous embodiment of the separating device according to the invention this comprises at least one transport device for lifting paper or cardboard sheets to be separated and moving the paper or cardboard sheets to be separated relative to the stack. While a particularly uniform gas cushion is formed between the sheets to be separated by means of the flow with the gas flow, the transport device serves to lift the respective uppermost sheet and its movement along the separating direction. By means of the transport device, a holding force is exerted on the sheet to be separated, whereby it can be moved away from the stack particularly quickly. In this case, the transport device for lifting the paper or cardboard sheets to be separated can have at least one vacuum suction device. By means of the vacuum suction, the holding force can be applied in a particularly gentle manner to each sheet to be separated, without the sheet is damaged.
Ein zweiter Aspekt der Erfindung betrifft eine Trenneinrichtung für eine Vereinzelungsvorrichtung, wobei mittels der Trenneinrichtung ein Stapel zum Vereinzeln von Papier- oder Kartonbögen des Stapels mit einem Gasstrom, insbesondere einem Luftstrom, anströmbar ist. Die Trenneinrichtung weist dabei für ein zusätzliches Ausrichten des Stapels mindestens eine gewinkelte Ausrichteinheit und eine als Durchgangsöffnung durch die gewinkelte Ausrichteinheit ausgebildete erste Öffnung auf, mittels welcher der Stapel zum Vereinzeln der Papier- oder Kartonbögen mit dem Gasstrom anströmbar ist. Die Trenneinrichtung ist besonders kompakt ausführbar und kann somit auf besonders geringem Bauraum an der Vereinzelungsvorrichtung angebracht sein. Allein deshalb ist das Vereinzeln der Bögen mittels der Trenneinrichtung besonders aufwandsarm durchführbar. Die Trenneinrichtung ermöglicht zudem ein besonders zügiges und zuverlässiges Vereinzeln der jeweils obersten Bögen des Stapels. Die sich aus der Verwendung der Vorrichtung gemäß dem ersten Erfindungsaspekt ergebenden Merkmale und Vorteile sind den Beschreibungen des ersten Erfindungsaspekts zu entnehmen, wobei vorteilhafte Ausgestaltungen des ersten Erfindungsaspekts als vorteilhafte Ausgestaltungen des zweiten Erfindungsaspekts anzusehen sind.A second aspect of the invention relates to a separating device for a separating device, wherein by means of the separating device, a stack for separating paper or cardboard sheets of the stack with a gas stream, in particular an air flow, can be flowed. The separator has in this case for an additional alignment of the stack at least one angled alignment and a through opening formed by the angled alignment first opening, by means of which the stack for separating the paper or Board sheets can be flowed with the gas stream. The separator is particularly compact executable and can thus be mounted on a particularly small space on the separating device. For this reason alone, the separation of the sheets by means of the separating device can be carried out with particularly little effort. The separator also allows a particularly rapid and reliable separation of each top sheets of the stack. The features and advantages resulting from the use of the device according to the first aspect of the invention are to be taken from the descriptions of the first aspect of the invention, wherein advantageous embodiments of the first aspect of the invention are to be regarded as advantageous embodiments of the second aspect of the invention.
Ein dritter Aspekt der Erfindung betrifft ein Verfahren zum Betreiben einer Vereinzelungsvorrichtung, wobei durch mindestens eine Trenneinrichtung der Vereinzelungsvorrichtung ein Stapel zum Vereinzeln von Papier- oder Kartonbögen des Stapels mit einem Gasstrom, insbesondere einem Luftstrom, angeströmt wird. Die Papier- oder Kartonbögen werden durch mindestens eine gewinkelte Ausrichteinheit der Trenneinrichtung ausgerichtet. Zudem wird der Stapel zum Vereinzeln der Papier- oder Kartonbögen durch eine als Durchgangsöffnung durch die gewinkelte Ausrichteinheit ausgebildete erste Öffnung mit dem Gasstrom angeströmt. Hierbei werden auf besonders energiesparende Art und Weise lediglich einige der Bögen mit dem Gasstrom angeströmt und deren relativer Versatz zu dem übrigen Stapel durch die gewinkelte Ausrichteinheit unterbunden. Somit kann der jeweils oberste Bogen des Stapels besonders aufwandsarm von den darunterliegenden Bögen des Stapels getrennt werden.A third aspect of the invention relates to a method for operating a separating device, wherein a stack for separating paper or cardboard sheets of the stack with a gas stream, in particular an air stream, is streamed through at least one separating device of the separating device. The paper or cardboard sheets are aligned by at least one angled alignment unit of the separator. In addition, the stack for separating the paper or cardboard sheets is flown through by a passage formed as opening through the angled alignment first opening with the gas stream. Here, in a particularly energy-saving manner, only some of the sheets are flown with the gas stream and their relative offset to the remaining stack is prevented by the angled alignment unit. Thus, the respective uppermost sheet of the stack can be separated from the underlying sheets of the stack with particularly little effort.
Von weiterem Vorteil ist es, wenn beim Anströmen des Stapels mit dem Gasstrom über die erste Öffnung zusätzlich durch eine Vibrationseinrichtung der Vereinzelungsvorrichtung Impulse, insbesondere mechanische Kraftstöße, auf den Stapel ausgeübt werden. Dies ermöglicht ein besonders zügiges Aufbauen eines Gaspolsters zwischen den zu vereinzelnden Bögen, vor allem wenn das Ausüben der Impulse zeitgleich mit der Beaufschlagung des Stapels durch den Gasstrom erfolgt.It is a further advantage if impulses, in particular mechanical impulses, are additionally exerted on the stack when the stack flows with the gas flow via the first opening by a vibration device of the separating device. This allows a particularly rapid construction of a gas cushion between the sheets to be separated, especially if the impulses are applied simultaneously with the admission of the stack by the gas flow.
Durch die Merkmale des erfindungsgemäßen Verfahrens ergeben sich Vorteile, die den Beschreibungen des ersten und zweiten Erfindungsaspekts entnommen werden können, wobei vorteilhafte Ausgestaltungen des ersten und zweiten Erfindungsaspekts als vorteilhafte Ausgestaltungen des dritten Erfindungsaspekts und umgekehrt, anzusehen sind.The features of the method according to the invention provide advantages which can be taken from the descriptions of the first and second aspects of the invention, with advantageous embodiments of the first and second aspects of the invention being regarded as advantageous embodiments of the third aspect of the invention and vice versa.
Weitere Merkmale der Erfindung ergeben sich aus den Ansprüchen, den Ausführungsbeispielen sowie anhand der Zeichnungen. Die vorstehend in der Beschreibung genannten Merkmale und Merkmalskombinationen sowie die nachfolgend in den Ausführungsbeispielen genannten Merkmale und Merkmalskombinationen sind nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen verwendbar, ohne den Rahmen der Erfindung zu verlassen.Further features of the invention will become apparent from the claims, the exemplary embodiments and with reference to the drawings. The features and combinations of features mentioned above in the description as well as the features and combinations of features mentioned below in the exemplary embodiments can be used not only in the particular combination specified, but also in other combinations, without departing from the scope of the invention.
Dabei zeigt:
- Fig. 1a
- eine schematisch dargestellte Perspektivansicht auf eine erfindungsgemäße Vereinzelungsvorrichtung;
- Fig. 1b
- eine schematisch dargestellte Seitenansicht der Vereinzelungsvorrichtung gemäß
Fig. 1a (Richtung Z gemäßFig. 1a ), wobei zusätzlich eine inFig. 1a nicht gezeigte Transportvorrichtung der Vereinzelungsvorrichtung dargestellt ist; - Fig. 2a
- eine schematische Detaildarstellung der erfindungsgemäßen Vereinzelungsvorrichtung gemäß eines in
Fig. 1a gekennzeichneten Bereichs A; - Fig. 2b
- eine schematische Detaildarstellung einer gewinkelte Ausrichteinheit der erfindungsgemäßen Vereinzelungsvorrichtung; und
- Fig. 2c
- eine schematische Detaildarstellung der erfindungsgemäßen Vereinzelungsvorrichtung gemäß eines in
Fig. 1a gekennzeichneten Bereichs B.
- Fig. 1a
- a schematically illustrated perspective view of a separating device according to the invention;
- Fig. 1b
- a schematically illustrated side view of the separating device according to
Fig. 1a (Direction Z according toFig. 1a ), with an additional inFig. 1a not shown transport device of the separating device is shown; - Fig. 2a
- a schematic detail of the inventive singulation device according to an in
Fig. 1a marked area A; - Fig. 2b
- a schematic detail of an angled alignment of the separating device according to the invention; and
- Fig. 2c
- a schematic detail of the inventive singulation device according to an in
Fig. 1a marked area B.
Man erkennt aus der Zusammenschau der
Die als Durchgangsöffnung ausgebildete erste Öffnung 32 kann beispielsweise als gerade Bohrung durch die gewinkelte Ausrichteinheit 26 ausgebildet sein, oder, wie in den
Um das Ausbilden eines Luftpolsters zwischen den zu vereinzelnden Bögen 14 zu verbessern, weist die Vereinzelungsvorrichtung 10 eine Vibrationseinrichtung 52 auf, mittels welcher Impulse 54, 56, 58, 60, insbesondere mechanische Kraftstöße auf den Stapel ausübbar sind. Der erste Impuls 54 und der zweite Impuls 56 sind dabei entgegengesetzt zueinander gerichtet, wobei der dritte Impuls 58 und der vierte Impuls 60 in die gleiche Richtung, welche auch der Vereinzelungsrichtung 74 entspricht, ausgerichtet sind. Dabei ist klar, dass auch nur einer, zwei oder drei der Impulse 54, 56, 58, 60 auf den Stapel 12 ausgeübt werden können und nicht notwendigerweise alle Impulse 54, 56, 58, 60. Im dargestellten Ausführungsbeispiel ist die Vibrationseinrichtung 52 an der gewinkelten Ausrichteinheit 26 angeordnet. Die Vibrationseinrichtung 52 umfasst dabei vorliegend zwei Vibratorelemente 53, von welchen jeweils eines an dem ersten Wandelement 28 und eines an dem zweiten Wandelement 30 angeordnet ist. Die Vibratorelemente 53 bewegen sich während des Betriebs der Vibrationseinrichtung 52 jeweils relativ zu der gewinkelten Ausrichteinheit 26 und üben dabei die Impulse bzw. die Kraftstöße auf die Ausrichteinheit 26 und über diese auf die Bögen 14 des Stapels 12 aus. Unter einem Kraftstoß ist allgemein eine Impulsänderung zu verstehen, welche sich aus der Kraft auf die impulsbeaufschlagten Bögen 14 sowie der Einwirkungsdauer der Kraft ergibt. Aufgrund der permanenten, durch die Vibratorelemente 53 hervorgerufene Relativbewegung der impulsbeaufschlagten Bögen 14 ist die Kraft auf die Bögen 14 nicht konstant, sondern variiert, weshalb mittels der Vibratorelemente 53 Impulse 54, 56, 58, 60 unterschiedlicher Stärken (unkonstante Impulse) ausgeübt werden.In order to improve the formation of an air cushion between the
Claims (15)
dadurch gekennzeichnet, dass
die Trenneinrichtung (24) zum Ausrichten des Stapels (12) mindestens eine gewinkelte Ausrichteinheit (26) und mindestens eine als Durchgangsöffnung durch die gewinkelte Ausrichteinheit (26) ausgebildete erste Öffnung (32) aufweist, mittels welcher der Stapel (12) zum Vereinzeln der Papier- oder Kartonbögen (14) mit dem Gasstrom (36) anströmbar ist.Separating device (10) for separating a stack (12) of paper or cardboard sheets (14), with at least one separating device (24), by means of which the stack (12) for separating the paper or cardboard sheets (14) with at least one gas stream ( 36), in particular an air flow, can be flowed against,
characterized in that
the separating device (24) for aligning the stack (12) has at least one angled alignment unit (26) and at least one first opening (32) designed as a passage opening through the angled alignment unit (26), by means of which the stack (12) for separating the paper - Or cardboard sheets (14) with the gas stream (36) can be flowed.
dadurch gekennzeichnet, dass
die gewinkelte Ausrichteinheit (26) zum Ausrichten des Stapels (12) mindestens zwei senkrecht zueinander angeordnete Wandelemente (28, 30) aufweist.Separation device (10) according to claim 1,
characterized in that
the angled alignment unit (26) for aligning the stack (12) has at least two wall elements (28, 30) arranged perpendicular to one another.
dadurch gekennzeichnet, dass
die gewinkelte Ausrichteinheit (26) eine Ecke (16) des Stapels (12), welche einem Basisbereich (18) des Stapels (12) abgewandt ist, zumindest bereichsweise umgibt.Separation device (10) according to claim 1 or 2,
characterized in that
the angled alignment unit (26) at least partially surrounds a corner (16) of the stack (12) which faces away from a base region (18) of the stack (12).
gewinkelte Ausrichteinheit (26) wenigstens eine zweite Öffnung (34) aufweist, mittels welcher der Stapel (12) zum Vereinzeln der Papier- oder Kartonbögen (14) mit dem Gasstrom (36) anströmbar ist, wobei der Gasstrom (36) mittels der ersten Öffnung (32) und einer zweiten Öffnung (34) in wenigstens zwei Teilströme (38, 40) aufteilbar ist, welche auf den Stapel (12) ausgerichtet sind.Separation device (10) according to one of the preceding claims, characterized in that
Angled alignment unit (26) has at least one second opening (34), by means of which the stack (12) for separating the paper or cardboard sheets (14) with the gas stream (36) can be flowed, wherein the gas stream (36) by means of the first opening (32) and a second opening (34) in at least two partial streams (38, 40) can be divided, which are aligned with the stack (12).
dadurch gekennzeichnet, dass
sich jeweilige durch die erste Öffnung (32) und die zweite Öffnung (34) vorgegebene Strömungsrichtungen (42, 44) der zwei Teilströme (38, 40) schneiden.Separation device (10) according to claim 4,
characterized in that
respective flow directions (42, 44) of the two partial flows (38, 40) predetermined by the first opening (32) and the second opening (34) intersect.
dadurch gekennzeichnet, dass
zwei Trenneinrichtungen (24) an einander gegenüberliegenden Enden (48, 50) einer Halteeinrichtung (46) der Vereinzelungsvorrichtung (10) in einem Abstand (x) zueinander gehalten sind, welcher zumindest im Wesentlichen einer Kantenlänge des Stapels (12) entspricht.Separating device (10) according to one of the preceding claims,
characterized in that
two separating devices (24) are held at mutually opposite ends (48, 50) of a holding device (46) of the separating device (10) at a distance (x) from one another which at least substantially corresponds to an edge length of the stack (12).
dadurch gekennzeichnet, dass
die Vereinzelungsvorrichtung (10) mindestens eine Vibrationseinrichtung (52) umfasst, mittels welcher Impulse (54, 56, 58, 60), insbesondere mechanische Kraftstöße, auf den Stapel (12) ausübbar sind.Separating device (10) according to one of the preceding claims,
characterized in that
the separating device (10) comprises at least one vibration device (52) by means of which pulses (54, 56, 58, 60), in particular mechanical force jolts, can be exerted on the stack (12).
dadurch gekennzeichnet, dass
die Vibrationseinrichtung (52) an der gewinkelten Ausrichteinheit (26) angeordnet ist.Separating device (10) according to claim 7,
characterized in that
the vibration device (52) is arranged on the angled alignment unit (26).
dadurch gekennzeichnet, dass
die Vereinzelungsvorrichtung (10) Führungselemente (62, 64) aufweist, mittels welcher zumindest einige der zu vereinzelnden Papier- oder Kartonbögen (14) des Stapels (12) entlang einer Vereinzelungsrichtung (74) ausrichtbar sind.Separating device (10) according to one of the preceding claims,
characterized in that
the separating device (10) has guide elements (62, 64) by means of which at least some of the paper or cardboard sheets (14) of the stack (12) to be separated are alignable along a separating direction (74).
dadurch gekennzeichnet, dass
die Vereinzelungsvorrichtung (10) wenigstens eine Niederhaltevorrichtung (66) zum zeitweisen Niederhalten der Papier- oder Kartonbögen (14) des Stapels (12) aufweist.Separating device (10) according to one of the preceding claims,
characterized in that
the separating device (10) has at least one hold-down device (66) for temporarily holding down the paper or cardboard sheets (14) of the stack (12).
dadurch gekennzeichnet, dass
die Vereinzelungsvorrichtung (10) eine Transportvorrichtung (70) zum Anheben von zu vereinzelnden Papier- oder Kartonbögen (14) und Bewegen der zu vereinzelnden Papier- oder Kartonbögen (14) relativ zu dem Stapel (12) aufweist.Separating device (10) according to one of the preceding claims,
characterized in that
the separating device (10) has a transport device (70) for lifting paper or cardboard sheets (14) to be separated and moving the paper or cardboard sheets (14) to be separated relative to the stack (12).
dadurch gekennzeichnet, dass
die Transportvorrichtung (70) zum Anheben der zu vereinzelnden Papier- oder Kartonbögen (14) mindestens einen Vakuumsauger (72) aufweist.Separation device (10) according to claim 11,
characterized in that
the transport device (70) for lifting the paper or cardboard sheets (14) to be separated has at least one vacuum suction device (72).
dadurch gekennzeichnet, dass
die Trenneinrichtung (24) zum Ausrichten des Stapels (12) mindestens eine gewinkelte Ausrichteinheit (26) und eine als Durchgangsöffnung durch die gewinkelte Ausrichteinheit (26) ausgebildete erste Öffnung (32) aufweist, mittels welcher der Stapel (12) zum Vereinzeln der Papier- oder Kartonbögen (14) mit dem Gasstrom (36) anströmbar ist.Separating device (24) for a separating device (10) according to one of claims 1 to 12, wherein by means of the separating device (24) a stack (12) for separating paper or cardboard sheets (14) of the stack (12) with a gas stream (36 ), in particular an air flow, can be flowed against,
characterized in that
the separating device (24) for aligning the stack (12) has at least one angled alignment unit (26) and a first opening (32) formed as a passage opening through the angled alignment unit (26), by means of which the stack (12) for separating the paper or cardboard sheets (14) with the gas stream (36) can be flowed.
dadurch gekennzeichnet, dass
die Papier- oder Kartonbögen (14) durch mindestens eine gewinkelte Ausrichteinheit (26) der Trenneinrichtung (24) ausgerichtet werden und der Stapel (12) zum Vereinzeln der Papier- oder Kartonbögen (14) durch eine als Durchgangsöffnung durch die gewinkelte Ausrichteinheit (26) ausgebildete erste Öffnung (32) mit dem Gasstrom (36) angeströmt wird.Method for operating a separating device (10), in which by at least one separating device (24) of the separating device (10) a stack (12) for separating paper or cardboard sheets (14) of the stack (12) with a gas stream (36), in particular a stream of air, is flown,
characterized in that
the paper or cardboard sheets (14) are aligned by at least one angled alignment unit (26) of the separating device (24) and the stack (12) for separating the paper or cardboard sheets (14) by a passage opening through the angled alignment unit (26) formed first opening (32) with the gas stream (36) is flown.
dadurch gekennzeichnet, dass
beim Anströmen des Stapels (12) mit dem Gasstrom (36) über die erste Öffnung (32) zusätzlich durch eine Vibrationseinrichtung (52) der Vereinzelungsvorrichtung (10) Impulse (54, 56, 58, 60), insbesondere mechanische Kraftstöße, auf den Stapel (12) ausgeübt werden.Method according to claim 14,
characterized in that
during flow of the stack (12) with the gas stream (36) via the first opening (32) additionally by a vibration device (52) of the separating device (10) pulses (54, 56, 58, 60), in particular mechanical power surges, on the stack (12).
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT141936757T PT3023372T (en) | 2014-11-18 | 2014-11-18 | Separating device, splitting device for a separating device and method for operating a separating device |
DK14193675.7T DK3023372T3 (en) | 2014-11-18 | 2014-11-18 | Separator, separator for separator and method of operating a separator |
EP14193675.7A EP3023372B1 (en) | 2014-11-18 | 2014-11-18 | Separating device, splitting device for a separating device and method for operating a separating device |
RS20200334A RS60076B1 (en) | 2014-11-18 | 2014-11-18 | Separating device, splitting device for a separating device and method for operating a separating device |
HUE14193675A HUE049428T2 (en) | 2014-11-18 | 2014-11-18 | Separating device, splitting device for a separating device and method for operating a separating device |
SI201431528T SI3023372T1 (en) | 2014-11-18 | 2014-11-18 | Separating device, splitting device for a separating device and method for operating a separating device |
ES14193675T ES2781576T3 (en) | 2014-11-18 | 2014-11-18 | Separating device, separating device for a separating device and method of operating a separating device |
PL14193675T PL3023372T3 (en) | 2014-11-18 | 2014-11-18 | Separating device, splitting device for a separating device and method for operating a separating device |
LTEP14193675.7T LT3023372T (en) | 2014-11-18 | 2014-11-18 | Separating device, splitting device for a separating device and method for operating a separating device |
HRP20200522TT HRP20200522T1 (en) | 2014-11-18 | 2020-03-30 | Separating device, splitting device for a separating device and method for operating a separating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14193675.7A EP3023372B1 (en) | 2014-11-18 | 2014-11-18 | Separating device, splitting device for a separating device and method for operating a separating device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3023372A1 true EP3023372A1 (en) | 2016-05-25 |
EP3023372B1 EP3023372B1 (en) | 2020-01-08 |
Family
ID=51999234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14193675.7A Active EP3023372B1 (en) | 2014-11-18 | 2014-11-18 | Separating device, splitting device for a separating device and method for operating a separating device |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP3023372B1 (en) |
DK (1) | DK3023372T3 (en) |
ES (1) | ES2781576T3 (en) |
HR (1) | HRP20200522T1 (en) |
HU (1) | HUE049428T2 (en) |
LT (1) | LT3023372T (en) |
PL (1) | PL3023372T3 (en) |
PT (1) | PT3023372T (en) |
RS (1) | RS60076B1 (en) |
SI (1) | SI3023372T1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1493167A (en) * | 1922-03-25 | 1924-05-06 | Miehle Printing Press & Mfg | Sheet-control mechanism |
GB590081A (en) * | 1944-06-01 | 1947-07-08 | Dexter Folder Co | Improvements in sheet feeding apparatus |
DE1561173A1 (en) | 1966-06-11 | 1970-02-12 | Gunnar Ruud | Process and apparatus for mechanical ventilation of stacks made of cardboard, paper or other sheet material |
WO2009050953A1 (en) | 2007-10-18 | 2009-04-23 | Ihi Corporation | Board separating apparatus |
JP2013006696A (en) * | 2011-05-26 | 2013-01-10 | Fuji Yuatsu Seiki Kk | Sheet feeding device |
-
2014
- 2014-11-18 PT PT141936757T patent/PT3023372T/en unknown
- 2014-11-18 PL PL14193675T patent/PL3023372T3/en unknown
- 2014-11-18 LT LTEP14193675.7T patent/LT3023372T/en unknown
- 2014-11-18 RS RS20200334A patent/RS60076B1/en unknown
- 2014-11-18 DK DK14193675.7T patent/DK3023372T3/en active
- 2014-11-18 EP EP14193675.7A patent/EP3023372B1/en active Active
- 2014-11-18 ES ES14193675T patent/ES2781576T3/en active Active
- 2014-11-18 SI SI201431528T patent/SI3023372T1/en unknown
- 2014-11-18 HU HUE14193675A patent/HUE049428T2/en unknown
-
2020
- 2020-03-30 HR HRP20200522TT patent/HRP20200522T1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1493167A (en) * | 1922-03-25 | 1924-05-06 | Miehle Printing Press & Mfg | Sheet-control mechanism |
GB590081A (en) * | 1944-06-01 | 1947-07-08 | Dexter Folder Co | Improvements in sheet feeding apparatus |
DE1561173A1 (en) | 1966-06-11 | 1970-02-12 | Gunnar Ruud | Process and apparatus for mechanical ventilation of stacks made of cardboard, paper or other sheet material |
WO2009050953A1 (en) | 2007-10-18 | 2009-04-23 | Ihi Corporation | Board separating apparatus |
JP2013006696A (en) * | 2011-05-26 | 2013-01-10 | Fuji Yuatsu Seiki Kk | Sheet feeding device |
Also Published As
Publication number | Publication date |
---|---|
SI3023372T1 (en) | 2020-06-30 |
ES2781576T3 (en) | 2020-09-03 |
HRP20200522T1 (en) | 2020-10-02 |
LT3023372T (en) | 2020-04-27 |
PL3023372T3 (en) | 2020-08-10 |
RS60076B1 (en) | 2020-05-29 |
HUE049428T2 (en) | 2020-09-28 |
PT3023372T (en) | 2020-04-08 |
DK3023372T3 (en) | 2020-04-06 |
EP3023372B1 (en) | 2020-01-08 |
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