EP2774882B1 - Device for withdrawing blanks from a blank container - Google Patents
Device for withdrawing blanks from a blank container Download PDFInfo
- Publication number
- EP2774882B1 EP2774882B1 EP14000544.8A EP14000544A EP2774882B1 EP 2774882 B1 EP2774882 B1 EP 2774882B1 EP 14000544 A EP14000544 A EP 14000544A EP 2774882 B1 EP2774882 B1 EP 2774882B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rolling segment
- namely
- blank
- rotary
- segment
- 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.)
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Links
- 238000005096 rolling process Methods 0.000 claims description 90
- 230000033001 locomotion Effects 0.000 claims description 57
- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 241000252254 Catostomidae Species 0.000 claims 2
- 230000003993 interaction Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000001447 compensatory effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000000284 resting effect Effects 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
- B65H3/08—Separating articles from piles using pneumatic force
- B65H3/0808—Suction grippers
- B65H3/085—Suction grippers separating from the bottom of pile
- B65H3/0858—Suction grippers separating from the bottom of pile this action resulting merely in a curvature of each article being separated
-
- 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
- B65H3/0883—Construction of suction grippers or their holding devices
-
- 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
- B65H3/32—Separating articles from piles by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of 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
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
- B65H5/12—Revolving grippers, e.g. mounted on arms, frames or cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/50—Driving mechanisms
- B65H2403/53—Articulated mechanisms
- B65H2403/531—Planar mechanisms
- B65H2403/5311—Parallelogram mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/50—Driving mechanisms
- B65H2403/53—Articulated mechanisms
- B65H2403/532—Crank-and-rocker mechanism
-
- 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
- B65H2406/30—Suction means
- B65H2406/33—Rotary suction means, e.g. roller, cylinder or drum
- B65H2406/331—Rotary suction means, e.g. roller, cylinder or drum arranged for rotating while moving along material to be handled, e.g. rolling on material
- B65H2406/3314—Rotary suction means, e.g. roller, cylinder or drum arranged for rotating while moving along material to be handled, e.g. rolling on material arranged for linear movement, e.g. on reciprocating support
-
- 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
- B65H2701/1764—Cut-out, single-layer, e.g. flat blanks for boxes
Definitions
- the invention relates to a device for the removal of blanks according to the preamble of claim 1.
- the transfer of blanks consisting of thin cardboard in particular from a blank magazine to packaging machines is a special technical task because of their performance.
- the blanks are usually removed from the underside of the magazine by rotatable members, in particular by a conveyor roller or a rolling segment, and transferred to a subsequent blanking web at the unloading members.
- the removal member - conveyor roller, unwinding segment - is rotated during the removal process and moved along a straight line of motion.
- a complex crank drive for the linear movement and a toothed gear for the superimposed rotary movement are known ( EP 1 167 008 A2 ).
- the toothed gear with a toothed rack and gearwheel or toothed segment is susceptible to failure and exposed to wear.
- the invention has for its object to propose measures for a powerful, trouble-free drive of the removal member and for an error-free removal and handling of the blanks.
- the device according to the invention is characterized by the features of claim 1.
- Blanks 10 for in particular (cigarette) folding boxes usually consist of thin cardboard.
- the elongated, essentially Rectangular blanks 10 are successively removed from a blank stock, in the present case a magazine 11 individually, and fed to the processing, namely a packaging machine.
- the (upright) magazine 11 is designed such that each of the blanks 10 stacked one above the other detects a lower blank 10 and is led out of the magazine 11 due to a rolling movement of a removal member.
- the removal member, a roller, roller or (in the present case) a rolling segment 12 detects the lower blank 10 in an edge or end region.
- the blank 10 is removed from the magazine 11 and transferred to the discharge conveyor, in the present case to a pair of conveyor rollers 13 on the entry side of a blanking track 14 which is known in terms of structure and operation. This feeds the blanks 10 into the area of a folding unit , especially a folding turret.
- the central topic is the structure and mode of operation or drive of the removal member, that is to say the rolling segment 12.
- This is formed as part of a roll, namely segment-like, with the formation of a part-circular contact surface 15 for the blank 10 during the removal process.
- the rolling segment 12 is rotatably supported and in the present case is driven back and forth in the direction of rotation with simultaneous movement in the longitudinal direction in a plane substantially parallel to the alignment of the blanks 10 in the magazine 11.
- the rolling segment 12 is on an axis or a (main) Shaft 16 mounted, in this case at a free end of the same ( Fig. 3 ). The movements of the rolling segment 12 are effected via this shaft 16.
- the movements of the rolling segment 12 are generated by separate gears interacting during a movement phase.
- the back and forth movement along a (horizontal) plane of movement - linear movement - is performed by a first gear, namely linear gear 17 8, 9 generated.
- the rotational movement of the rolling segment 12 (along a partial or semicircle) is simultaneously carried out by a rotary gear 18 10, 11 causes.
- both drives 17, 18 act on the axis or shaft 16 of the rolling segment 12.
- the linear gear 17 consists exclusively of levers which are connected to one another in an articulated manner, in the present case in the arrangement of a parallelogram frame.
- the drive movement is generated by a crank 19 with a crank arm 21 arranged on a drive shaft - crank shaft 20 - and a connecting rod 22 which is moved to and fro by the latter.
- the crank 19 is preferably constantly in a (rotation) direction (arrow) driven.
- the connecting rod 22 designed as a lever is articulated on the one hand with the crank arm 21 and on the other hand articulated with a lever - drive lever 23 - of the linear gear 17. In 8 and 9 the respective end positions of the crank 19 and thus the connecting rod 22 are shown.
- the linear gear 17 mainly consists of two parallel levers, namely the drive lever 23 and a steering lever 24 aligned parallel thereto. Both are rotatable, that is to say connected to the rolling segment 12 or supporting members - supporting web - via rotary bearings 25, 26. Opposite ends of the levers 23, 24 are connected to a lever unit for transmitting compensatory movements. These are two-armed intermediate levers 27, 28 assigned to each lever 23, 24, which are mounted so as to be stationary and can be rotated, and are designed here as angle levers with legs 29, 30. Legs 29 assigned to the parallel levers 23, 24 are connected to the levers via rotary bearings 31, 32 23, 24 connected. The (other) legs 30 of the intermediate lever 27, 28 are articulated to one another via a connecting member 33. The intermediate levers 27, 28 are pivotally mounted in the area of pivot bearings 34, 35 in a fixed position.
- the parallel position of the levers 23, 24 is ensured by the corresponding position of the pivot bearings 25, 26 on the one hand and the pivot bearings 31, 32 on the other hand.
- the reciprocating movement of the connecting rod 22 is transmitted to the drive lever 23, with the result that the rolling segment 12 along a (horizontal) movement plane 36 between the in FIG 8 and 9 end positions shown in dashed lines is moved back and forth.
- the connecting element for the rotary bearings 25, 26 is in 8 and 9 shown in simplified form as a web or tab.
- the linear gear 17 therefore consists exclusively of levers connected to one another via swivel joints, that is to say with little wear.
- the rotary gear 18 is positioned separately, namely in a gear plane lying offset from the linear gear 17.
- the peculiarity of the rotary transmission 18 is that the (partial) rotation of the rolling segment 12 is effected exclusively by levers which are connected to one another in an articulated manner or via rotary bearings, that is to say with precise movements.
- the rotary movement itself is transmitted by (in the present case) two levers, namely rotary levers 37, 38. These are connected to the rolling segment 12 via joints 39, 40, here with a transmission element for the rotary movements on the rolling segment 12.
- These are transmission levers 41, 42, which are arranged in a fixed relative position so that pushing and pulling movements of the rotating levers 37, 38 are implemented in rotary movements of the rolling segment 12.
- the transmission levers 41, 42 are non-rotatably arranged as a coherent double lever on the shaft 16 designed as a hollow shaft for the movement of the rolling segment 12 ( 2, 3 ).
- the joints 39, 40 of the rotary levers 37, 38 are each arranged at end regions of the transmission levers 41, 42, the levers 41, 42 having different lengths in the present case with a view to optimal transmission of the forces.
- the free ends of the rotary levers 37, 38 are connected to a fixed, pivotable support member, namely a support lever 43. This is outside the movement path of the rolling segment 12 (above) stationary, but pivotable - pivot bearing 44 - as a (one-armed) lever, namely in the version as an angle lever with a bent connecting leg 45, on which the rotary levers 37, 38 are pivotally mounted at a distance from one another via joints 46, 47.
- the functionally related relative position of the rotary levers 37, 38 is selected such that they assume a crossing position that changes during a movement cycle.
- the formation of the - approximately semicircular - rolling segment 12 is important for the correct functioning.
- the blanks 10 resting on an in particular horizontal base of the magazine 11 are at an edge or end region - in the case of elongated blanks - by the rolling segment 12 in the takeover position ( Fig. 4 ) detected and pulled out of the magazine 11 as a result of the rotational movement of the rolling segment 12 ( Fig. 5 ).
- the rolling segment 12 travels along the underside of the magazine 11 to an end position or transfer position according to FIG Fig. 6 , Fig. 7 .
- the blank 10 is captured on the free underside by at least one suction member on the circumference of the rolling segment 12.
- a suction device made of elastic material - soft suction device 48 - is used to grasp the blank by means of negative pressure (suction).
- the soft suction device 48 is positioned such that the lower blank 10 can be gripped directly by the soft suction device 48.
- the blank 10 is taken along by the linear and rotary movement of the rolling segment 12 and thereby lies against the circular-arc-shaped contact surface 15 of the segment 12.
- the movement takes place along a part-circular outer guide 49 which surrounds the rolling segment 12 with a small distance during the rotary movement.
- the handover position Fig. 6 , Fig. 7
- the blank is placed in the area of the conveyor rollers 13 on a plate-shaped base 50 with release by the soft suction device 48 (this is deaerated).
- the exposed front area of the blank 10 can now be gripped by the conveyor rollers 13 and taken along until it is completely released by the rolling segment 12. This then returns to the starting position for taking over a blank 10 ( Fig. 7 ).
- the soft suction device 48 is lifted off the blank 10 when it is deposited or transferred ( Fig. 6 ).
- the soft suction device 48 is mounted on the rolling segment 12 so as to be movable in the radial direction, in the present case on a (two-armed) carrying lever 51. This is pivotable - pivot bearing 52 - mounted on the rolling segment 12. In the end position ( Fig. 6 ) the support lever 51 is pivoted - here in the counterclockwise direction. As a result, the soft suction device 48 is withdrawn from the holding position.
- a (suction) holding force is also transmitted to the blank 10 through the rolling segment 12.
- a further suction element following in the direction of movement namely an (enlarged) suction hole in the area of a hard, in particular metallic head 53.
- the head 53 of the hard suction device 54 has a circular contour and serves as a contact surface for the blank 10.
- the hard suction device 54 is also vented, so that the blank 10 is completely released.
- the aforementioned organs namely the support lever 51 and the suction organs 48, 54 are positioned on the circumference of the rolling segment 12, in the present embodiment in the region of an all-round recess or groove 57 between lateral segment disks.
- a special feature is the supply of the suction elements 48, 54 with air or suction air. This is fed via the shaft 16, which is designed as a hollow shaft and is attached to the rolling segment 12 with one end non-rotatably ( Fig. 3 ). At the opposite end, an air coupling 58 connects to the end of the hollow shaft 16. Vacuum is generated via a suction line 59, for example by connection to a central air unit of the machine.
- the hollow shaft 16 or a continuation of the same leads into the (central) region of the rolling segment 12, specifically as an annular air duct 60.
- the ring region outside the air duct 60 (in the circumferential direction) is closed by a shut-off element 61 which is partially circular in cross section. This is stored as a fixed organ.
- the rolling segment 12 or an essentially radially directed support arm 62 can be rotated about the shut-off element 16 ( 4 to 7 ).
- the air duct 60 is in a predetermined relative position and is limited by the (fixed) shut-off element 61.
- air bores 63, 64 are formed in the rolling segment 12 (support arm 62), which lead at a distance from one another to the air duct 60 or shut-off element 61.
- Tubular air lines 65, 66 connect to the Air holes 63, 64 outside the support arm 62 and lead to the associated suction elements - soft suction device 48 and hard suction device 54 - in the area of the support lever 51 and the head 53 as holes.
- the mouths of the air holes 63, 64 are released or closed depending on the position of the rolling segment 12. In the starting position for taking over a blank 10, the air bore 63 is closed by the shut-off element 61 ( Fig. 4 ).
- suction air can be conducted to the soft suction device 48 via the air bore 64 and the air line 66.
- both air channels 63, 65; 64, 66 connected to the vacuum source Fig. 5 .
- the blank 10 is accordingly held by both suction elements 48, 54.
- the air supply to the soft suction device 48 is closed, specifically by means of a corresponding relative position of the air hole 64 with respect to the shut-off element 61.
- the air hole 63 is still connected to the vacuum source, so that the hard suction device 54 is effective as a holding element on the blank 10 .
- the magazine 11 is assigned a support unit on the lower, open side. This consists of a continuous support plate with a recess in the working area of the rolling segment 12.
- two spaced-apart supporting plates 67, 68 are provided, which can be moved back and forth with the rolling segment 12 in the plane below the magazine 11, without any change the relative position to the rolling segment 12.
- the support plates 67, 68 are arranged on a common carrier which can be moved linearly with the rolling segment 12, in the present case on an approximately triangular or trapezoidal support piece 69 in which the shaft 16 or hollow shaft (can also be rotated ) is stored ( Fig. 3 ).
- the support piece 69 is in 8, 9 Connection piece shown for the parallelogram lever 23, 24.
- the outer guide 49 is also connected to this overall movable, coherent unit, namely to the underside of the support plate 67.
- each two air nozzles 71 are arranged laterally, essentially with a horizontal direction of an air flow, so that on both sides the blank 10 in the end region is released from the stack of blanks lying above it. This effect is achieved by at least one further air nozzle 70, preferably in the central end region of the Cut 10, supported. This air nozzle 70 is directed obliquely downwards, so that the air flow reaches the top of the blank 10 that is loosening.
- a special feature is shown, namely the actuation of the carrying lever 51 in the sense of a pivoting movement around the pivot bearing 52 for adjusting the soft suction device 48.
- the carrying lever 51 is pivoted counterclockwise around the pivot bearing 52, namely by pressure transfer to a free end region of the carrying lever 51 by an actuator, namely by a pressure lever 72.
- This is mounted on the rolling segment 12 and can be moved, in particular rotated, with the latter.
- the essentially radially directed movement of the pressure lever 72 for transmitting adjusting movements to the carrying lever 51 is brought about by the fact that the rotatable or pivotable pressure lever 72 is adjusted in (approximately) the radial direction.
- the pressure lever 72 is mounted by means of an eccentric 73 on the rolling segment 12 or on the support arm 62 - with an axial offset.
- the eccentric 73 is a rotary bearing for the pressure lever 72 with an offset 74 to the axis of the rolling segment 12 or to the axis of the shaft 16. Accordingly, the eccentric 73 or the offset 74 automatically causes an exact movement of the pressure lever 72 to adjust the carrying lever 51 in one direction or the other, so that the soft suction device 48 always receives the correct position corresponding to the work process.
- the device described is also - with an analog arrangement - corresponding EP 1 167 008 Can be used for two-track work processes.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Description
Die Erfindung betrifft eine Vorrichtung für die Entnahme von Zuschnitten gemäß Oberbegriff des Anspruchs 1.The invention relates to a device for the removal of blanks according to the preamble of claim 1.
Die Überführung von insbesondere aus dünnem Karton bestehenden Zuschnitten aus einem Zuschnittmagazin an Verpackungsmaschinen ist wegen deren Leistungsfähigkeit eine besondere technische Aufgabe. Die Zuschnitte werden üblicherweise an der Unterseite des Magazins durch drehbare Organe, insbesondere durch eine Förderrolle bzw. ein Abrollsegment entnommen und an Abförderorgane einer anschließenden Zuschnittbahn übergeben. Das Entnahmeorgan - Förderrolle, Abrollsegment - wird bei dem Entnahmevorgang drehend angetrieben und entlang einer geradlinigen Bewegungsbahn bewegt. Bekannt ist ein komplexer Kurbeltrieb für die Linearbewegung und ein Zahngetriebe für die überlagerte Drehbewegung (
Der Erfindung liegt die Aufgabe zugrunde, Maßnahmen für einen leistungsfähigen, störungsfreien Antrieb des Entnahmeorgans und für eine fehlerfreie Entnahme sowie Handhabung der Zuschnitte vorzuschlagen.The invention has for its object to propose measures for a powerful, trouble-free drive of the removal member and for an error-free removal and handling of the blanks.
Zur Lösung dieser Aufgabe ist die erfindungsgemäße Vorrichtung durch die Merkmale des Anspruchs 1 gekennzeichnet.To achieve this object, the device according to the invention is characterized by the features of claim 1.
Weitere Besonderheiten der Erfindung sind Gegenstand von Unteransprüchen.Further special features of the invention are the subject of dependent claims.
Ein Ausführungsbeispiel der Vorrichtung ist in den Zeichnungen dargestellt. Es zeigt:
- Fig. 1
- einen Teilbereich einer Vorrichtung mit Zuschnittmagazin und anschließender Zuschnittbahn in schematischer Seitenansicht,
- Fig. 2
- den Bereich des Zuschnittmagazins in einer Queransicht entsprechend Pfeil II in
Fig. 1 , - Fig. 3
- eine Einzelheit der Darstellung in
Fig. 2 in einem Längs- bzw. Querschnitt bei leicht vergrößertem Maßstab, - Fig. 4
- eine Darstellung eines Abrollsegments in einer Schnittebene IV-IV der
Fig. 2 , in vergrößertem Maßstab, - Fig. 5
- die Einzelheit gemäß
Fig. 4 bei einer veränderten Stellung des Abrollsegments, - Fig. 6
- die Einzelheit gemäß
Fig. 4 ,Fig. 5 in einer Übergabestellung des Abrollsegments, - Fig. 7
- die vorgenannte Einzelheit bei nochmals veränderter Stellung des Abrollsegments - Rückkehrbewegung,
- Fig. 8
- eine weitere Einzelheit, nämlich ein Lineargetriebe, in Queransicht bzw. in einer vertikalen Schnittebene VIII-VIII der
Fig. 2 , - Fig. 9
- das Lineargetriebe gemäß
Fig. 8 in einer veränderten Arbeitsstellung, - Fig. 10
- ein weiteres Getriebe, nämlich Drehgetriebe in Seitenansicht - Schnitt-Sichtebene X-X in
Fig. 2 , - Fig. 11
- das Getriebe gemäß
Fig. 10 in einer veränderten Stellung, - Fig. 12
- ein Diagramm der Getriebebewegungen,
- Fig. 13
- eine Einzelheit des Abrollsegments in einer Darstellung analog
Fig. 4 , - Fig. 14
- die Einzelheit der
Fig. 13 bei einer veränderten Stellung des Abrollsegments analogFig. 6 , - Fig. 15
- ein Detail XV der
Fig. 13 in vergrößertem Maßstab.
- Fig. 1
- a partial area of a device with blank magazine and subsequent blank web in a schematic side view,
- Fig. 2
- the area of the blank magazine in a transverse view according to arrow II in
Fig. 1 , - Fig. 3
- a detail of the representation in
Fig. 2 in a longitudinal or cross section at a slightly enlarged scale, - Fig. 4
- a representation of a rolling segment in a cutting plane IV-IV
Fig. 2 , on an enlarged scale, - Fig. 5
- the detail according
Fig. 4 with a changed position of the rolling segment, - Fig. 6
- the detail according
Fig. 4 ,Fig. 5 in a transfer position of the rolling segment, - Fig. 7
- the aforementioned detail when the position of the rolling segment is changed again - return movement,
- Fig. 8
- a further detail, namely a linear gear, in a transverse view or in a vertical section plane VIII-VIII of the
Fig. 2 , - Fig. 9
- the linear gear according to
Fig. 8 in a changed working position, - Fig. 10
- another gear, namely rotary gear in side view - sectional view plane XX in
Fig. 2 , - Fig. 11
- the transmission according
Fig. 10 in a changed position, - Fig. 12
- a diagram of the gear movements,
- Fig. 13
- a detail of the rolling segment in a representation analog
Fig. 4 , - Fig. 14
- the detail of
Fig. 13 analogously with a changed position of the rolling segmentFig. 6 , - Fig. 15
- a detail XV of the
Fig. 13 on an enlarged scale.
Bevorzugtes Anwendungsgebiet der Vorrichtung bzw. Aggregate ist die Verpackungstechnik, nämlich die Fertigung von Packungen, insbesondere Zigarettenpackungen. Zuschnitte 10 für insbesondere (Zigaretten-)Klappschachteln bestehen üblicherweise aus dünnem Karton. Die langgestreckten, im Wesentlichen rechteckigen Zuschnitte 10 werden einem Zuschnittvorrat, vorliegend einem Magazin 11 einzeln, nacheinander entnommen und der Verarbeitung, nämlich einer Verpackungsmaschine, zugeführt. Das (aufrechte) Magazin 11 ist so ausgebildet, dass von den übereinander gestapelten Zuschnitten 10 jeweils ein unterer Zuschnitt 10 erfasst und aufgrund einer Abrollbewegung eines Entnahmeorgans aus dem Magazin 11 herausgeführt wird. Das Entnahmeorgan, eine Rolle, Walze bzw. (vorliegend) ein Abrollsegment 12 erfasst den unteren Zuschnitt 10 in einem Rand- bzw. Endbereich. Durch eine überlagerte Drehbewegung und Linearverschiebung wird der Zuschnitt 10 dem Magazin 11 entnommen und an Abförderer übergeben, vorliegend an ein Paar von Förderrollen 13 an der Eintrittsseite einer im Aufbau und in der Arbeitsweise bekannten Zuschnittbahn 14. Diese fördert die Zuschnitte 10 in den Bereich eines Faltaggregats, insbesondere eines Faltrevolvers.The preferred field of application of the device or aggregates is packaging technology, namely the production of packs, in particular cigarette packs.
Das zentrale Thema sind Aufbau und Arbeitsweise bzw. Antrieb des Entnahmeorgans, also des Abrollsegments 12. Dieses ist als Teil einer Rolle, nämlich segmentartig ausgebildet unter Bildung einer teilkreisförmigen Anlagefläche 15 für den Zuschnitt 10 während des Entnahmevorgangs. Das Abrollsegment 12 ist drehbar gelagert und wird vorliegend in Drehrichtung hin- und hergehend angetrieben bei gleichzeitiger Bewegung in Längsrichtung in einer Ebene im Wesentlichen parallel zur Ausrichtung der Zuschnitte 10 im Magazin 11. Das Abrollsegment 12 ist auf einer Achse bzw. einer (Haupt-)Welle 16 gelagert, vorliegend an einem freien Ende derselben (
Die Bewegungen des Abrollsegments 12 werden durch gesonderte, während einer Bewegungsphase zusammenwirkende Getriebe erzeugt. Die hin- und hergehende Bewegung entlang einer (horizontalen) Bewegungsebene - Linearbewegung - wird durch ein erstes Getriebe, nämlich Lineargetriebe 17 gemäß
Das Lineargetriebe 17 besteht ausschließlich aus gelenkig miteinander verbundenen Hebeln, vorliegend in der Anordnung eines Parallelogrammgestells. Die Antriebsbewegung wird von einer Kurbel 19 mit auf einer Antriebswelle - Kurbelwelle 20 - angeordnetem Kurbelarm 21 und einem von diesem hin- und hergehend bewegten Pleuel 22 erzeugt. Die Kurbel 19 wird vorzugsweise ständig in einer (Dreh-)Richtung (Pfeil) angetrieben. Der als Hebel ausgebildete Pleuel 22 ist einerseits gelenkig mit dem Kurbelarm 21 und andererseits gelenkig mit einem Hebel - Antriebshebel 23 - des Lineargetriebes 17 schwenkbar verbunden. In
Das Lineargetriebe 17 besteht in der Hauptsache aus zwei parallelen Hebeln, nämlich dem Antriebshebel 23 und einem parallel hierzu ausgerichteten Lenkhebel 24. Beide sind drehbar, also über Drehlager 25, 26 mit dem Abrollsegment 12 bzw. Tragorganen -Tragsteg - desselben verbunden. Gegenüberliegende Enden der Hebel 23, 24 sind mit einer Hebeleinheit zur Übertragung von Ausgleichsbewegungen verbunden. Es handelt sich dabei um jedem Hebel 23, 24 zugeordnete, ortsfest drehbar gelagerte zweiarmige Zwischenhebel 27, 28, die hier als Winkelhebel ausgebildet sind mit Schenkeln 29, 30. Den Parallelhebeln 23, 24 zugeordnete Schenkel 29 sind über Drehlager 31, 32 mit den Hebeln 23, 24 verbunden. Die (anderen) Schenkel 30 der Zwischenhebel 27, 28 sind über ein Verbindungsglied 33 gelenkig miteinander verbunden. Die Zwischenhebel 27, 28 sind im Bereich von Drehlagern 34, 35 ortsfest, schwenkbar gelagert.The
Die Parallelstellung der Hebel 23, 24 ist durch entsprechende Stellung der Drehlager 25, 26 einerseits und der Drehlager 31, 32 andererseits gewährleistet. Auf den Antriebshebel 23 wird die hin- und hergehende Bewegung des Pleuels 22 übertragen, mit der Folge, dass das Abrollsegment 12 entlang einer (horizontalen) Bewegungsebene 36 zwischen den in
Das Drehgetriebe 18 ist separat, nämlich in einer versetzt zum Lineargetriebe 17 liegenden Getriebeebene positioniert. Die Besonderheit des Drehgetriebes 18 besteht darin, dass die (Teil-)Drehung des Abrollsegments 12 ausschließlich durch gelenkig bzw. über Drehlager miteinander verbundene Hebel bewirkt wird, also mit präzisen Bewegungen.The
Während der geradlinigen Bewegung des Abrollsegments 12 aus einer Endstellung in die andere wird zeitgleich die Drehung durchgeführt, vorliegend über einen Drehbereich von (etwa) 180°. In
Die Drehbewegung selbst wird durch (vorliegend) zwei Hebel, nämlich Drehhebel 37, 38 übertragen. Diese sind über Gelenke 39, 40 mit dem Abrollsegment 12 verbunden, hier mit einem Übertragungsorgan für die Drehbewegungen auf das Abrollsegment 12. Es handelt sich dabei um Übertragungshebel 41, 42, die in fixierter Relativstellung so angeordnet sind, dass Schub- und Zugbewegungen der Drehhebel 37, 38 in Drehbewegungen des Abrollsegments 12 umgesetzt werden. Konkret sind die Übertragungshebel 41, 42 als zusammenhängender Doppelhebel unverdrehbar auf der als Hohlwelle ausgebildeten Welle 16 für die Bewegung des Abrollsegments 12 angeordnet (
Die freien Enden der Drehhebel 37, 38 sind mit einem ortsfest gelagerten, schwenkbaren Tragorgan verbunden, nämlich mit einem Traghebel 43. Dieser ist außerhalb der Bewegungsbahn des Abrollsegments 12 (oberhalb) ortsfest, jedoch schwenkbar - Schwenklager 44 - als (einarmiger) Hebel gelagert, und zwar in der Ausführung als Winkelhebel mit einem abgeknickten Verbindungsschenkel 45, an dem die Drehhebel 37, 38 mit Abstand voneinander über Gelenke 46, 47 schwenkbar gelagert sind. Die funktional bedingte Relativstellung der Drehhebel 37, 38 ist so gewählt, dass diese eine sich während eines Bewegungstaktes veränderte kreuzende Stellung einnehmen. Durch die Drehhebel 37, 38 werden bei der linearen Verstellung des Abrollsegments 12 unter Veränderung der Winkelstellung des Traghebels 43 einerseits Druck- bzw. Schubkräfte und andererseits Zugkräfte auf die zugeordneten Übertragungshebel 41, 42 übertragen. Bei der Bewegung aus der Ausgangsstellung (
Linearbewegung und Drehbewegung des Abrollsegments 12 finden zeitgleich während eines Drehtaktes statt. Die Organe des Drehgetriebes 18 sind so bemessen und angeordnet, dass, wie in
Die Ausbildung des - annähernd halbkreisförmigen - Abrollsegments 12 ist für die fehlerfreie Funktion von Bedeutung. Die auf einer insbesondere horizontalen Unterlage des Magazins 11 ruhenden Zuschnitte 10 werden an einem Rand- bzw. Endbereich - bei langgestreckten Zuschnitten - durch das Abrollsegment 12 in der Übernahmestellung (
Der Zuschnitt 10 wird an der freien Unterseite durch mindestens ein Saugorgan am Umfang des Abrollsegments 12 erfasst. Vorliegend dient ein Sauger aus elastischem Werkstoff - Weichsauger 48 - zum Erfassen des Zuschnitts mittels Unterdruck (Ansaugen). Der Weichsauger 48 ist so positioniert, dass der untere Zuschnitt 10 unmittelbar durch den Weichsauger 48 erfasst werden kann.The blank 10 is captured on the free underside by at least one suction member on the circumference of the rolling
Durch die Linear- und Drehbewegung des Abrollsegments 12 wird der Zuschnitt 10 mitgenommen und legt sich dabei an die kreisbogenförmige Anlagefläche 15 des Segments 12. Die Bewegung erfolgt entlang einer teilkreisförmigen Außenführung 49, die das Abrollsegment 12 bei der Drehbewegung mit geringem Abstand umschließt. In der Übergabestellung (
Der Weichsauger 48 wird bei der Ablage bzw. Übergabe des Zuschnitts 10 von diesem abgehoben (
Nach dem Lösen des Weichsaugers 48 vom Zuschnitt 10 wird weiterhin eine (saugende) Haltekraft auf den Zuschnitt 10 durch das Abrollsegment 12 übertragen. Zu diesem Zweck ist ein weiteres, in Bewegungsrichtung nachfolgendes Saugorgan vorgesehen, nämlich eine (erweiterte) Saugbohrung im Bereich eines harten, insbesondere metallischen Kopfes 53. Dieser bildet mit der Saugbohrung einen Hartsauger 54. Der Kopf 53 des Hartsaugers 54 weist eine kreisflächenförmige Kontur auf und dient als Anlagefläche für den Zuschnitt 10. Am Ende eines Drehtaktes des Abrollsegments 12 wird auch der Hartsauger 54 entlüftet, sodass der Zuschnitt 10 vollständig freikommt.After the
In der Endphase der Übergabe des Zuschnitts 10 liegt dieser mit einem - in Förderrichtung rückwärtigen Abschnitt - an einem Anschlag 55 gleitend an. Dieser ist mit einem höheren Reibungswiderstand ausgebildet und weist eine Gleitnase 56 aus gehärtetem Material auf. An dieser gleitet ein Endabschnitt des Zuschnitts 10 während des Abtransports durch die Förderrollen 13 entlang, und zwar ohne Kontakt mit dem Weichsauger 48 (
Die vorgenannten Organe, nämlich der Traghebel 51 und die Saugorgane 48, 54 sind am Umfang des Abrollsegments 12 positioniert, bei der vorliegenden Ausführung im Bereich einer ringsherum laufenden Vertiefung bzw. Nut 57 zwischen seitlichen Segmentscheiben.The aforementioned organs, namely the
Eine Besonderheit ist die Versorgung der Saugorgane 48, 54 mit Luft bzw. Saugluft. Diese wird über die als Hohlwelle ausgebildete Welle 16 zugeführt, die mit einem Ende unverdrehbar an dem Abrollsegment 12 angebracht ist (
Die Hohlwelle 16 bzw. eine Fortsetzung derselben führt in den (mittleren) Bereich des Abrollsegments 12, und zwar als ringförmiger Luftkanal 60. Der Ringbereich außerhalb des Luftkanals 60 (in Umfangrichtung) ist durch ein im Querschnitt teilkreisförmiges Absperrorgan 61 verschlossen. Dieses ist als feststehendes Organ gelagert. Das Abrollsegment 12 bzw. ein im Wesentlichen radial gerichteter Tragarm 62 ist um das Absperrorgan 16 drehbar (
Für die Versorgung der Saugorgane 48, 54 sind im Abrollsegment 12 (Tragarm 62) Luftbohrungen 63, 64 gebildet, die mit Abstand voneinander zum Luftkanal 60 bzw. Absperrorgan 61 führen. Schlauchförmige Luftleitungen 65, 66 schließen an die Luftbohrungen 63, 64 außerhalb des Tragarms 62 an und führen zu den zugeordneten Saugorganen - Weichsauger 48 und Hartsauger 54 - im Bereich des Traghebels 51 und des Kopfes 53 als Bohrungen. Die Mündungen der Luftbohrungen 63, 64 werden je nach Stellung des Abrollsegments 12 freigegeben oder verschlossen. Bei der Ausgangsstellung zur Übernahme eines Zuschnitts 10 ist die Luftbohrung 63 durch das Absperrorgan 61 verschlossen (
Eine weitere Besonderheit liegt darin, dass dem Magazin 11 eine Trageinheit an der unteren, offenen Seite zugeordnet ist. Diese besteht aus einer durchgehenden Stützplatte mit einer Ausnehmung im Arbeitsbereich des Abrollsegments 12. Vorliegend sind zwei mit Abstand voneinander angeordnete Stützplatten 67, 68 vorgesehen, die mit dem Abrollsegment 12 in der Ebene unterhalb des Magazins 11 hin- und herbewegbar sind, und zwar ohne Veränderung der Relativstellung zum Abrollsegment 12. Die Stützplatten 67, 68 sind auf einem gemeinsamen Träger angeordnet, der mit dem Abrollsegment 12 linear bewegbar ist, vorliegend auf einem annähernd dreieck- bzw. trapezförmigen Tragstück 69, in dem auch die Welle 16 bzw. Hohlwelle (drehbar) gelagert ist (
Die Entnahme des jeweils unteren Zuschnitts 10 aus dem Magazin 11 wird durch zusätzliche Hilfsmittel gesichert bzw. erleichtert, und zwar durch Luftdüsen 70 und 71 im Bereich einer Magazinwand benachbart zum Bereich der Ersterfassung eines Zuschnitts 10 (
In
Die beschriebene Vorrichtung ist auch - bei analoger Anordnung - entsprechend
Claims (15)
- Device for the removal of flat blanks (10), in particular pack blanks made of thin cardboard, from a store of superimposed blanks, namely a blank magazine (11), preferably in conjunction with the production of cigarette packs, wherein an in each case bottom blank (10) is graspable by a rotatable removal member, namely a rolling segment (12) by means of suction air through suckers (48, 54) and is able to be deposited in a transfer station, in particular being driven by conveying members (13) of a subsequent blank path (14), wherein the rolling segment (12) is movable along a rectilinear movement path by a first transmission, namely a linear transmission (17) for the removal operation and is simultaneously rotatable at least along a part of a circle by a second transmission, namely a rotary transmission (10), characterized in that the rotary transmission (18) consists exclusively of pivotable levers (37, 38, 43), which necessarily bring about the rotary movement of the rolling segment (12) on account of interlinking as a result of the linear movement of a rotation axis or of a shaft (16) of the rolling segment (12).
- Device according to Claim 1, characterized in that the rotary transmission (18) has, for the exclusive rotary drive of the rolling segment (12), at least two push and pull levers, namely rotary levers (37, 38), which are connected at one end in an articulated manner indirectly to the rolling segment (12) and at the other end in an articulated manner to a stationary mounted, pivotable actuating member, namely to a support lever (43), such that the linear movement of the rolling segment (12) brings about the rotary movement on account of the transmission of tensile forces or compressive forces to the rolling segment (12).
- Device according to Claim 1 or 2, characterized in that the rotary levers (37, 38) are indirectly linked to the rolling segment (12) on mutually opposite sides with respect to a rotation axis, namely a shaft (16) of said rolling segment (12), such that compressive and tensile forces of the rotary levers (37, 38) carry out the rotation in interaction.
- Device according to Claim 3 or one of the further claims, characterized in that, during the transmission of the rotary forces to the rolling segment (12), the two rotary levers (37, 38) are oriented at least temporarily in a crossing relative position, wherein the rotary levers (37, 38) are linked at one end, at a distance from one another, to a pivotable, preferably one-armed support lever (43) and at the other end to transmission levers (41, 42) connected to the rolling segment (12) with the shaft (16) for rotation therewith.
- Device according to Claim 1 or one of the further claims, characterized in that, on account of the configuration of the linear transmission (17), on the one hand, and of the rotary transmission (18), on the other hand, the reciprocating linear movement of the rolling segment (12) and the rotary movement, carried out at the same time, of the rolling segment (12), in particular in a rotational range of (about) 180°, takes place in a linear, regular interrelationship.
- Device according to Claim 1 or one of the further claims, characterized by the following features:a) in order to produce a substantially straight, linear reciprocating movement of the rolling segment (12), use is made of a crank mechanism having a preferably continuously driven crankshaft (20) and a connecting rod (22) which is movable in a reciprocating manner,b) the crank mechanism, or the connecting rod, is connected to a parallelogram linkage as linear transmission (17), which has at least two parallel levers, namely drive lever (23) and steering lever (24), namely in particular to the drive lever (23),c) free ends of the parallel levers (23, 24) are linked in an articulated manner and at a distance from one another to a support bar, namely to a support piece (69), such that the support bar, or support piece (69), is movable in a reciprocating manner in an exclusively straight, horizontal plane,d) the rolling segment (12) is connected to the support bar in a rotatable manner, preferably via the continuous shaft (16), on which the support piece (69) is mounted in a rotatable manner.
- Device according to Claim 6 or one of the further claims, characterized in that drive lever (23) and steering lever (24) are mounted in an articulated manner, with the ends located away from the rolling segment (12), on coupling members in order to maintain the parallel position during the movement of the rolling segment (12), in particular on angled intermediate levers (27, 28) that are pivotable about stationary rotary bearings (34, 35), said intermediate levers (27, 28) being connected together by a connecting link (33), maintaining a common relative position.
- Device according to Claim 1 or one of the further claims, characterized by the following features:a) the rolling segment (12) has at least one elastic suction member for grasping a blank (10) on a free side, namely a soft sucker (48),b) the soft sucker (48) is fitted, in the region of the rolling segment (12), to a carrier that is adjustable in the radial direction, namely to a pivotable support lever (51), in order to lift the soft sucker (48) from the blank (10) when the latter is released,c) at least one further suction member, following in the conveying or circumferential direction of the rolling segment (12), having a mechanically loadable head (53), namely a hard sucker (54), is used to fix the blank to the rolling segment (12) during the rotary movement and in particular after being released by the soft sucker (48).d) the blank (10) is preferably graspable in the region of the magazine exclusively by the soft sucker (48), wherein the hard sucker (54) is active during the subsequent rotary movement of the rolling segment (12) until the blank is transferred.
- Device according to Claim 8 or one of the further claims, characterized in that the pivotable support lever (51) for the soft sucker (48) is pivotable by an actuating member that is adjustable exclusively by a rotary movement, in particular by a pressure lever (72) that is mounted by means of an eccentric (73) and adjusts the support lever (51) in order to adjust the soft sucker (48) in accordance with the rotary movement of the rolling segment (12).
- Device according to Claim 8 or one of the further claims, characterized in that soft sucker (48) and/or hard sucker (54) are attached to a common negative-pressure source via separate air ducts or air lines, in particular to an air duct (60) formed in the region of the shaft (16) configured as a hollow shaft, and in that, by way of a part-circular shut-off member (61) that is likewise arranged in the region of the shaft (16), or hollow shaft, mouths of air bores (63, 64) assigned to the suckers are attached to the air duct (60) or are closed by the shut-off member (61) depending on the position of the rolling segment (12).
- Device according to Claim 1 or one of the further claims, characterized in that the shaft (60) in the form of a hollow shaft is connected in a non-rotatable manner to the rolling segment (12), and stationary members, namely the support piece (69), drive lever (23) of the linear transmission (17) and at a free end a head for supplying air, namely an air coupling (58), are mounted in a relatively rotatable manner on the shaft (16), wherein air or negative pressure passes via the air coupling (58) through the hollow shaft as far as the rolling segment (12), namely as far as the air duct (60) and the shut-off member (61).
- Device according to Claim 8 or one of the further claims, characterized in that a substantially radially directed stop (55), preferably having a sliding lug (56), is arranged adjacent to the soft sucker (48), in particular at the end of the support lever (51), such that in the end phase of the transfer of a blank (10) to conveying rollers (13), the blank (10) slides, with the soft sucker (48) retracted, along the stop (55).
- Device according to Claim 1 or one of the further claims, characterized by the following features:a) the blanks (10) are located on a plate-like base, namely supporting plates (67, 68), in the region of the blank magazine (11),b) the supporting plates (67, 68) form a cutout for a circumferential region of the rolling segment (12) to pass through,c) the supporting plates (67, 68) are movable in a reciprocating manner together with the rolling segment (12) in a straight direction in a horizontal plane, maintaining the cutout or an intermediate space for the rolling segment (12) to pass through.
- Device according to Claim 1 or one of the further claims, characterized by the following features:a) the rolling segment (12), the transmissions (17, 18) and the supporting plates (67, 68) are mounted on a common support member that is movable in a reciprocating manner by the linear transmission (17), namely on the bar-like, substantially upright support pieces (69).b) in a circumferential region adjoining the receiving position for a blank (10), the rolling segment (12) is preferably enclosed at a short distance by a stationary, part-circular outer guide (49), wherein the outer guide (49) is connected to the support piece (69) and is movable in a reciprocating manner therewith.
- Device according to Claim 1 or one of the further claims, characterized in that air nozzles (70, 71) are arranged in the region of the blank magazine (11), adjacent to a region of the blanks (10) that is graspable by the rolling segment (12), in order to provide the blank (10) to be grasped, in particular two lateral air nozzles (71) with a substantially horizontal direction of the air flow in order to detach the blank (10) and at least one further air nozzle (70) in the central region in order to completely detach the blanks (10).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013003758.1A DE102013003758A1 (en) | 2013-03-06 | 2013-03-06 | Device for removing blanks from a blank magazine |
Publications (3)
Publication Number | Publication Date |
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EP2774882A2 EP2774882A2 (en) | 2014-09-10 |
EP2774882A3 EP2774882A3 (en) | 2018-01-31 |
EP2774882B1 true EP2774882B1 (en) | 2020-04-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP14000544.8A Active EP2774882B1 (en) | 2013-03-06 | 2014-02-15 | Device for withdrawing blanks from a blank container |
Country Status (3)
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EP (1) | EP2774882B1 (en) |
CN (1) | CN104030058B (en) |
DE (1) | DE102013003758A1 (en) |
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CN109160322B (en) * | 2018-07-19 | 2020-01-14 | 浙江容健科技有限公司 | Facial tissue bottom-drawing conveying mechanism for covering machine |
CN109018507A (en) * | 2018-08-08 | 2018-12-18 | 珠海市商劲智能机械设备有限公司 | A kind of Full-automatic picking film and hair film device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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DE262738C (en) * | ||||
GB1417838A (en) * | 1971-11-29 | 1975-12-17 | Gd Spa | Apparatus for distributing sheets from a stack thereof |
DE3823705A1 (en) * | 1988-07-13 | 1990-01-18 | Schmermund Maschf Alfred | DEVICE FOR SEPARATING CUTS FROM A STACK |
DE3905214A1 (en) * | 1989-02-21 | 1990-08-23 | Focke & Co | METHOD AND DEVICE FOR REMOVING (PACK) CUTS FROM A CUTTING MAGAZINE |
DE4140079A1 (en) * | 1991-12-05 | 1993-06-09 | Brehmer Buchbindereimaschinen Gmbh, O-7050 Leipzig, De | Machine for removing lowest sheet from stack - has gripper with jaws and vertical arm to support stack |
IT1279950B1 (en) * | 1995-06-14 | 1997-12-23 | Gd Spa | METHOD FOR CONTINUOUS FEEDING OF WRAPPING ELEMENTS IN SHEET TO AN OPERATING MACHINE |
CN1243091A (en) * | 1998-07-06 | 2000-02-02 | 吉第联合股份公司 | Apparatus for supplying blanks on packing machine |
DE10031098A1 (en) | 2000-06-30 | 2002-01-10 | Focke & Co | Device for handling blanks in packaging machines |
CN101128376B (en) * | 2004-06-24 | 2010-11-24 | 高斯国际美洲公司 | Method and device for feeding printed products |
US7736121B2 (en) * | 2007-10-04 | 2010-06-15 | Solbern Llc | Tortilla destacking device |
-
2013
- 2013-03-06 DE DE102013003758.1A patent/DE102013003758A1/en not_active Withdrawn
-
2014
- 2014-02-15 EP EP14000544.8A patent/EP2774882B1/en active Active
- 2014-03-06 CN CN201410203046.3A patent/CN104030058B/en active Active
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Also Published As
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CN104030058A (en) | 2014-09-10 |
EP2774882A3 (en) | 2018-01-31 |
CN104030058B (en) | 2017-07-18 |
EP2774882A2 (en) | 2014-09-10 |
DE102013003758A1 (en) | 2014-09-11 |
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