EP1215150A2 - Dispositif de réception et d'éjection d'éléments plats dans une machine les travaillant - Google Patents
Dispositif de réception et d'éjection d'éléments plats dans une machine les travaillant Download PDFInfo
- Publication number
- EP1215150A2 EP1215150A2 EP01128021A EP01128021A EP1215150A2 EP 1215150 A2 EP1215150 A2 EP 1215150A2 EP 01128021 A EP01128021 A EP 01128021A EP 01128021 A EP01128021 A EP 01128021A EP 1215150 A2 EP1215150 A2 EP 1215150A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- conveyor belt
- rollers
- sheets
- conveyor
- flat elements
- 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
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Classifications
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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
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/66—Advancing articles in overlapping streams
- B65H29/6654—Advancing articles in overlapping streams changing the overlapping figure
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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
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/58—Article switches or diverters
- B65H29/62—Article switches or diverters diverting faulty articles from the main streams
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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
- B65H33/00—Forming counted batches in delivery pile or stream of articles
- B65H33/12—Forming counted batches in delivery pile or stream of articles by creating gaps in the stream
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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
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/20—Location in space
- B65H2511/22—Distance
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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
- 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 subject of the present invention is a reception device and for ejecting flat elements into a machine working them, in particular in a packaging production machine for the manufacture of boxes in cardboard from a sheet or strip material.
- Such machines include several stations placed the one after the other which typically allow the material to be printed used, to cut it into a given shape using a rotary tool by example, and then eject the unwanted waste resulting from the cutting, and on the other hand all the cuts that happen to be non compliant before collecting the other box cutouts at a station reception.
- the sheets or strips of cardboard worked can generally contain in their width several poses or cuts identical boxes which each represent the shape and the developed surface of the manufactured packaging.
- the number of poses that can be arranged side by side side by side depends of course on the width of the support worked, but also on the format maximum allowed by the machine and the size of the box cutouts.
- these box cutouts are arranged in the receiving station, in rows of parallel sheets on strips Conveyor.
- This tablecloth arrangement that is to say so that the cuts overlap each other, is obtained by the fact that the strips conveyors move more slowly than sheets or cardboard strip Power.
- the tablecloths are then regularly picked up by a stacking device to form piles which will eventually be evacuated on a cart, or by another transporter to tapes, to a storage station for example.
- the documents EP 316,477 and EP 317,330 describe devices similar to quickly collect the downstream part of a single sheet flat elements to form a pile. These tablecloths and sheet pile forming machines operate continuously without it being necessary to stop the formation of the sheet during the evacuation of the pile. AT this effect, these devices include two parallel belt conveyors nested one inside the other so that the second transporter is placed on the longitudinal axis of the first and can go up and down slightly at across from it. Initially, both carriers are driven the same speed.
- the second carrier When the front part of the tablecloth includes enough leaves to create a pile of a number of leaves, the second carrier lifts slightly above the plane of the first, and carries at an accelerated speed the corresponding portion of the tablecloth to discharge it on a plate against a stop along which will form said stack of leaves. First placed in the high position, this plate descends as and measurement of the stack of sheets so that the height of fall of the sheets be constant to ensure good stacking. The stack of sheets should then be lowered to an exit level where it will be removed from the platform before it can rise to receive the next stack of sheets. Meanwhile, the second carrier has been lowered then replaced in its initial position under the new front of the water table which has not stopped advancing thanks to the continuous training of the first transporter. A new cycle can then start again. Operations that aim to train the stack, to evacuate it from the tray then to reassemble the latter in its position initial course must be done quickly enough to avoid, in in all cases, that the new front of the water table is too advanced and falls too early of the first transporter.
- Another device for forming stacks of sheets from of elements arranged in the form of sheets is described in the document CH 633'761. It includes several carriers each formed by a mat rolling conveyor occupying the entire width of the machine. Over this width, several parallel sheets of box cutouts can find room. This device also makes it possible to receive and stack box cutouts without decrease the production rate of the machine associated with it thanks to a braking member which will block the advance of the plies. This blocking will effect of temporarily increasing the thickness of the sheets.
- the last carpet transporter is arranged so that it can pivot around its shaft which allows, if necessary, to deflect the trajectory of the tablecloths on another conveyor belt.
- Document GB 2'074'990 describes another device making it possible to deliver a certain number of sheets from a continuously circulating tablecloth through a receiving station. As with most of the receiving devices it is necessary to create an interruption in the flow continuous sheet of sheets so as to have a minimum of time necessary for the evacuation of the battery and the replacement of the means provided to receive the next stack.
- the device as described in document GB 2'074'990 consists of two telescopic conveyors placed end to end. Each conveyor is formed by an endless belt rotation around a plurality of rollers or rollers. The rotational speeds of these belts are independent of each other.
- the front end of the first conveyor and the rear end of the second conveyor, which faces it, are mounted on the same carriage which can move longitudinally back and forth in the direction of movement of the web.
- said carriage moves downstream and the speed of the second conveyor is increased so as to quickly release the second conveyor from its loading and thus creating a sufficient time interval to be able to drain the battery.
- the speed of the second conveyor is reduced and the carriage returns upstream in its initial position.
- this device suffers from a first defect linked to the size of the carriage which is necessarily dependent on the length of its stroke. Indeed, as conceived in this invention, one can note that the length of the carriage must in any case be greater than the maximum length of its displacement. Now, if we want to reach higher production speeds it is also necessary to increase the stroke of the movable carriage, which thereby leads to the arrangement of a carriage always longer and more and more imposing. Another defect of this device results from repeated movements of the carriage. To be able to provide the most long water table interruption possible, it is essential that the carriage return happen as quickly as possible.
- this trolley also represents a significant mass in movement which on the one hand requires a powerful setting mechanism movement then braking, and which on the other hand must be able to be controlled by a massive surrounding load-bearing structure.
- the inertial force of this carriage continuously generates strong jolts in the machine frame. All of these mechanical stresses and constraints desirable require an implementation with heavy equipment, bulky and expensive.
- the object of the present invention is to remedy the drawbacks aforementioned by providing a device for receiving and ejecting flat elements which is fast, economical, universal and easy to use.
- economical it will be understood that this device must of course be able to be produced at low cost, but must also avoid any waste by quickly sorting the elements conforming to the quality criteria of those with defects and which must be ejected from the production line.
- universal term we intends to provide a device which can both suit a whole range of products of different formats and guarantee a simplicity of adaptation for ability to work with each of these products while reducing as much as possible the times devoted to the settings of the receiving device between two series of different works.
- the object of the present invention must be able to be easily adaptable to receive large cuts of boxes, such as 1 or 2 cutouts occupying the entire width of the machine, only for smaller cuts of boxes distributed in large number (for example 10) across the width of the machine.
- This device must also be able to eject quickly, with less waste, all cuts of boxes which do not comply with the required quality criteria. Note that to effectively respond to this last condition of speed, it is already out of the question to want to think of performing such a sheet sorting sheet before they have been tableclothed.
- the present invention relates to a device for reception and ejection in accordance with claim 1.
- Figure 1 shows a schematic elevation view of a device 20 for receiving and ejecting flat elements, such as sheets of carton 2, in a first situation illustrating the displacement of a sheet 22 sheets 2 upstream downstream in the longitudinal direction of the machine according to the direction given by arrow 1.
- a very tight sheet of sheets such as sheet 22 in device 20
- the device 20 reception must first be preceded by a unit 10 forming a first sheet 12 of sheets 2, more spaced than those of sheet 22, between a conveyor belt 13 driven at reduced speed by a roller drive 14 and a series of pressure rollers 15 which hold and brake the sheets 2 against the conveyor belt 13 when they arrive and superimpose at high speed in unit 10.
- the sheet 22 is formed on a second conveyor belt 23 making part of the device 20 for receiving and ejecting sheets 2.
- This mat conveyor 23 occupies, like all conveyor belts of this device, the entire width of the machine. It is set in motion by a roller 24 which rotates it, at a lower speed than that of the belt trarisporteur 13, around a plurality of rollers or return rollers 25, 26, 27, 28 and 29.
- the sheet 22 then advances on a third conveyor belt 33 rotated by a another drive roller 34 which, like the other drive means, is completely independent.
- the conveyor belt 33 rotates in the direction of the arrow 1, around other rollers or rollers of references 35, 36, 37, 38 and 39.
- a stacker 40 which collects the sheets 2 of the sheet on a plurality of ramps 41, adjustable across the width of the machine, to form a stack 42 which, as illustrated in Figure 1, will finally be evacuated from the device 20 and the stacker 40 in the direction of arrow 4 by one or more belts 43 equipping each of the ramps 41.
- the sheets 2 are stacked on the ramps 41 by displacement of the downstream end of the conveyor belt 33 in the plane vertical so that the height of leaf fall 2 on top of the stack is constant.
- the roller 36 is integral with an elevator 50 consisting of a frame 51 which can move vertically as illustrated by the double arrow 3.
- This chassis 51 is fixed, on each of its sides, to a chain 52 suspended and tensioned by chain wheels 53.
- the drive of the chain is made by means of a motor 54 coupled to one of the chain wheels 53.
- Figure 2 shows a schematic simplified plan view of the device as shown in Figure 1.
- Figure 1 In this second figure, are illustrated four rows 9 of sheets of parallel sheets which progress in the direction of arrow 1 of the first conveyor belt 13 towards the others conveyor belts 23 and 33 before being stacked in separate stacks on the belts 43 of the ramps 41.
- a row 9 of sheets put in tablecloth was completely drawn.
- the other three rows are essentially represented by their outline.
- the end deflection rollers conveyor belts are replaced here and represented simply by their axis drawn in dashed line.
- FIG. 3 represents, in a view similar to that of FIG. 1, the device according to the invention in a second situation different from that illustrated in figure 1.
- the illustrations given by these two figures 1 and 3 will allow to better understand the operation of the device of this invention which will now be described.
- One of the objectives stated in all recent reception devices consists of being able to create stacks of a number of sheets without having to interrupt the continuous flow of production sheets delivered upstream by the printing machine.
- the inceimpuls production of sheets 2 is illustrated by unit 10 which continuously creates the moving sheet 12.
- the device of this invention is provided with a drive mechanism 60 and interruption of plies which allows the useful lengths of the conveyor belts to be varied 23 and 33.
- This mechanism occupies, in the device 20, a central place located between the arrangement of conveyor belts 23 and 33. It consists of two carriages, one upper 61 and the other lower 62, which can move horizontally from upstream to downstream and vice versa.
- FIG 4 illustrating a vertical section along line IV-IV of the Figure 1, provides a better understanding of the operation and arrangement of the drive mechanism 60 located between the two main structures which constitute the frame 70 of the device 20.
- the conveyor belts and the sheets of sheets have not been represented.
- the return rollers 27 and 37 are mounted crazy between the vertical sides of this carriage.
- the lower carriage 62 supports the rolls of references 29 and 39. These are each madly mounted on a pair of pneumatic cylinders 63 which are fixed against the interior blanks of the carriage 62.
- the arrangement of these jacks makes it possible to compensate, independently, for the lack of tension which appear in the conveyor belts 23 and 33 when the carriages 61 and 62 are moving.
- the carriages 61 and 62 slide between the frame 70, for one side at by means of ball jaws 64 fixed against one of the sides of the carriages and each sliding along a rail 65 integral with said frame, and for the other side at roller means 66 fixed against the other side of the carriages 61, 62 and rolling each on a tread 67 attached to the frame 70.
- the drive of the carriages is achieved by the engagement of racks 68, reported against the inner sides of the carriages in the lower part for the carriages 61 and in the upper part for the carriage 62, with a pair of wheels teeth 69 mounted on the shaft 71 of an electric motor 72.
- the speeds and the accelerations of the carriages 61 and 62 can therefore be finely controlled thanks to the flexibility of the electric motor 72 control. will endeavor to balance the masses of these two carriages as well as possible compensate for the dynamic effects they generate when they are in movement.
- a clamp 75 closes on this sheet between the rollers 27 and 37 of the respective conveyor belts 23, 33.
- This clamp is formed by a bar transverse 76 placed at the ends of two parallel bent arms 77 and pivoting about an axis of rotation 78 passing through the upper carriage 61.
- the two bent arms 77 pivot upwards and the bar transverse 76 compresses the sheet against a series of support rollers 79 arranged as desired above the ply 22 between the rollers 27 and 37.
- the carpets conveyors 23 and 33 both have an identical constant speed so that the passage of the web 22 from the conveyor belt 23 to the conveyor belt 33 is not noticed.
- the drive mechanism 60 of carriages 61 and 62 is activated and gradually drives the downstream ends and upstream of the respective conveyor belts 23 and 33 in the direction of the arrow 1 until the speed of this movement is identical to the speed advance of the conveyor belt 23.
- the clamp 75 closes on the conveyor belt 22, then the speed of the conveyor belt 33 accelerates quickly creating the separation of the ply 22 including the ply part downstream 32 is rapidly discharged into the stacker 40 as illustrated in the Figure 3.
- the roller 36 of the downstream end of the belt transporter 33 is moved vertically upwards by the elevator 50 so that the height of fall of the sheets 2 on the top of the stack 42 in formation be constant and optimal at all times.
- carts 61 and 62 have not stopped moving, downstream for carriage 61 and upstream for the carriage 62, at the same speed as that of the conveyor belt 23 following the continuous progression of the water table 22.
- the high speed of spillage of this conveyor belt is maintained for a few fractions second after the theoretical discharge of the last sheet of the tablecloth 32. Then this speed decelerates until it is again identical to that of the conveyor belt 23.
- the ramps 41 are generally arranged in a normal horizontal position allowing the reception of these sheets.
- the ramp (s) 41 assigned to this row of defective sheets will or can be rotated down by one or more pneumatic cylinders 44 even before the start of stacking leaves. Therefore, only the tablecloth 32 of the row which contains sheets defective will be poured directly from the stacker onto a conveyor belt of the keeper 90 placed transversely to the direction of movement of the sheets. This situation is illustrated in FIG. 5 where only the downstream part of the device of the the present invention is illustrated.
- FIG. 6 is a side view in partial section of this same ramp 41 along the section line VI-VI of FIG. 7.
- the illustration of FIG. 6 has the ramp 41 in two different positions, one horizontal in line continuous, and the other vertical or tilted down in phantom.
- This ramp consists of a sheet 45 in the shape of an inverted U, as best seen on Figure 7.
- On this sheet are fixed rollers 46, mounted on bearings with free rotating balls, around which the belt 43 travels.
- This belt is in permanent contact with a ring 47 positioned and fixed on a shaft expandable drive 48 whose diameter can increase, thus allowing firmly maintain said ring 47 therein.
- the expandable shaft 48 When the expandable shaft 48 is put in rotation, it also drives the ring 47 which, by contact, makes it possible to turn the belt 43.
- a ball bearing 49 is mounted each side of the ring 47, on a flange 94, in a groove machined on each blank of this ring. Part of this ball bearing 49 is returned integral with the ring 47, while the other part, fixed to the flange 94, of this same ball bearing is made integral only with the sheet 45 which constitutes the frame of the ramp 41. Thanks to the function of this ball bearing and thanks in its arrangement as described above, the sheet 45 can then be pivoted down or up through cylinder 44 completely independently rotation of the belt 43 and its drive system.
- a transverse storage device 80 is arranged in the stacker 40 and makes it possible to longitudinally jog the sheets of the stack 42 against front stops 81. When they leave the conveyor belt 33, the sheets are projected in their fall against said stops before 81.
- Each stop is fixed against the upstream face of a carriage 82 mounted between two lateral arms 83 of the chassis 51. To be able to adjust these stops according to the format of the sheets 2, the carriage 82 is adjustable in the direction of movement of the sheets at by means of a handwheel 84.
- Each stop 81 is removable and also displaceable transversely so that it can be correctly positioned in face of the stack intended for it.
- each front stop can be equipped with a template, or a profiled element not shown, allowing to best match the shape of the front edge of the sheets 2 to be tacked.
- each front stop can be equipped with a template, or a profiled element not shown, allowing to best match the shape of the front edge of the sheets 2 to be tacked.
- stops rear 85 with a periodic movement oscillating in the direction indicated by the double arrow 5 in FIG. 1. Such an oscillation can be obtained by example from an arm 86 offset from the axis of a motor 87. This back-and-forth vibratory movement allows you to constantly store the leaves 2 when they stack up, forcing them to pile up properly against front stops 81.
- the rear stops 85 can also be fitted with profiled templates and can also be moved transversely just like the front stops.
- a second arrangement device To jog stacks of sheets in the transverse direction, a second arrangement device, not illustrated here but can operate on a similar principle, is generally used.
- a peculiarity of the first storage device 80 lies in the fact that it is equipped with a plurality of nozzles 88 blowing air under the sheets 2 during their fall. These air jets promote the proper formation of the batteries 42 in preventing the leaves from turning over or falling at too great an angle attack.
- the strength of the air jets, their number, their position and the orientation of the nozzles are all easily adjustable parameters chosen according to the size of the sheets received and their grammage.
- Such storage devices are removable and easily adaptable to different work to be done which allows, when you have at least two games, prepare them in advance off the machine by adjusting them for the next job.
- the stroke of the elevator 50 depends only the height of the stack 42 and that, on the other hand, without taking into account maximum real speeds that the elevator 50 and the evacuation belt 43, the minimum waiting time required before being able to return the lift to its original position depends only on the height and longitudinal dimension of this same stack 42.
- the shed in the low position of the elevator 50 and the end of the conveyor belt 33 can advantageously be carried out as soon as the upstream side of the stack 42 is passed under the front stop 81 of the row 80, even before this pile did not leave the ramp 51 on which it formed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
- Pile Receivers (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Intermediate Stations On Conveyors (AREA)
- Vending Machines For Individual Products (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Abstract
Description
- La figure 1 représente une vue schématique en élévation du dispositif selon l'invention dans une première situation,
- la figure 2 représente une vue schématique en plan simplifiée du dispositif tel que représenté à la figure 1,
- la figure 3 représente une vue schématique en élévation du dispositif selon l'invention dans une deuxième situation,
- la figure 4 représente une vue schématique en coupe, selon la ligne IV-IV de la figure 1, d'une partie du mécanisme d'entraínement du dispositif selon l'invention,
- la figure 5 représente la partie aval du dispositif de la présente invention dans une situation différente de celle qui est illustrée aux figures 1 et 3,
- la figure 6 représente une vue de profil en coupe partielle, selon la ligne VI-VI de la figure 7, d'une rampe de sortie de piles de feuilles,
- la figure 7 représente une vue de détail en coupe partielle de la rampe de sortie illustrée à la figure 6.
Claims (9)
- Dispositif (20) de réception et d'éjection d'éléments plats (2) dans une machine les travaillant, notamment dans une machine (10) de production d'emballages délivrant continuellement une pluralité de rangées (9) d'éléments plats (2) mis en nappes parallèles (12) sur un premier tapis transporteur (13), puis transportées dans ledit dispositif (20) sur un second tapis transporteur (23) dont le parcours est défini par une pluralité de rouleaux ou galets (24, 25, 26, 27, 28, 29), ce second tapis transporteur (23) est animé d'une vitesse d'avance constante inférieure à celle du premier tapis transporteur (13) de manière à pouvoir former de nouvelles nappes (22), plus compactes que les premières, qui sont ensuite transportées par un troisième tapis transporteur (33), cheminant autour d'une pluralité de rouleaux ou galets (34, 35, 36, 37, 38, 39) et occupant comme tous les autres tapis transporteurs (13, 23) toute la largeur utile dudit dispositif (20), pour former des parties de nappes (32) qui sont cycliquement déversées à plus grande vitesse dans un empileur (40) grâce à un mécanisme (60) d'entraínement et d'interruption des nappes (22) qui permet d'allonger la surface utile du second tapis transporteur (23) délimitée par les rouleaux supérieurs (26, 27) et de raccourcir simultanément et d'autant la surface utile du troisième tapis transporteur (33) délimitée par les rouleaux supérieurs (36, 37), caractérisé en ce que l'empileur (40) est agencé de façon à pouvoir éjecter séparément au moins une nappe (32) vers un transporteur de gâche (90) collectant des éléments plats (2) qui ont été détectés comme étant défectueux, en ce que le mécanisme (60) comprend deux chariots, l'un supérieur (61) et l'autre inférieur (62), pouvant se déplacer simultanément, à la même vitesse et en sens opposé le long d'un axe parallèle aux rangées (9) de nappes (22).
- Dispositif selon la revendication 1, caractérisé en ce que les chariots (61, 62) sont de masse équivalente et sont mis en mouvement par un moteur électrique (72) qui entraíne une paire de roues dentées (69) engrainée dans des paires de crémaillères (68) chacune solidaire d'un des deux chariots (61, 62), et en ce que chaque chariot (61, 62) renferme un seul rouleau (27, 37, 29, 39) de chaque tapis transporteur (23, 33).
- Dispositif selon la revendication 2, caractérisé en ce que les rouleaux (29, 39), renfermés dans le chariot inférieur (62), sont chacun agencés de façon à ce qu'ils puissent être déplacés indépendamment l'un de l'autre dans le sens de déplacement des chariots (61, 62), en fonction de ces derniers.
- Dispositif selon la revendication 1, caractérisé en ce que l'empileur (40) est équipé d'une pluralité de rampes (41) ajustables qui constituent à la fois:des portions de surfaces horizontales sur lesquelles peuvent se former des piles (42) d'éléments plats (2),des surfaces de transport qui, grâce à la mise en rotation de courroies sans fin (43) équipant chacune de ces rampes (41), permettent le déplacement desdites piles (42) vers une issue de sortie,des volets d'ouverture qui peuvent être séparément basculés vers le bas pour éjecter des éléments plats (2) vers le transporteur de gâche (90).
- Dispositif selon la revendication 1, caractérisé en ce que l'empileur (40) comprend, pour arranger les éléments plats (2) en piles (42), un dispositif rangeur amovible (80) équipé dans sa partie aval de butées avant (81) profilées, amovibles et réglables aussi bien longitudinalement grâce au déplacement d'un chariot (82), que transversalement par rapport au sens de déplacement des chariots (61, 62), et dans sa partie amont de butées arrière (85) également profilées, amovibles et réglables transversalement.
- Dispositif selon la revendication 5, caractérisé en ce que le dispositif rangeur amovible (80) et le rouleau (36), constituant l'extrémité aval du dernier tapis transporteur (33), sont tous deux solidaires et déplaçables verticalement, vers le haut en suivant la progression de la hauteur des piles (42) qui se forment sur les rampes (41), et vers le bas durant le déplacement des piles (42) sur les rampes (41).
- Dispositif selon la revendication 5, caractérisé en ce que le dispositif rangeur (80) est équipé de buses (88) insufflant chacune un jet d'air en direction de la butée avant (81) à une hauteur située en dessous du plan inclinable défini par les rouleaux supérieurs (36, 37) du troisième tapis transporteur (33).
- Dispositif selon la revendication 7, caractérisé en ce que la force des jets d'air, leur nombre, leur position et l'orientation des buses (88) constituent des paramètres ajustables, choisis en fonction de la taille des éléments plats (2) et de leur grammage.
- Dispositif selon la revendication 4, caractérisé en ce que chaque rampe (41) comprend une armature (45), soutenant des galets (46) autour desquels chemine la courroie sans fin (43), qui est rendue solidaire d'une bague d'au moins un roulement mécanique (49), alors que l'autre bague constitutive dudit roulement mécanique (49) n'est solidaire que d'une autre bague (47) laquelle, d'une part est en contact avec la courroie sans fin (43), et d'autre part peut être fermement maintenue sur un arbre d'entraínement (48) permettant la mise en rotation de ladite courroie sans fin (43).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH24392000 | 2000-12-14 | ||
CH02439/00A CH694186A5 (fr) | 2000-12-14 | 2000-12-14 | Dispositif de r'ception et d''jection d''l'ments plats dans une machine les travaillant. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1215150A2 true EP1215150A2 (fr) | 2002-06-19 |
EP1215150A3 EP1215150A3 (fr) | 2004-01-02 |
EP1215150B1 EP1215150B1 (fr) | 2005-08-17 |
Family
ID=4569261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01128021A Expired - Lifetime EP1215150B1 (fr) | 2000-12-14 | 2001-11-26 | Dispositif de réception et d'éjection d'éléments plats dans une machine les travaillant |
Country Status (10)
Country | Link |
---|---|
US (1) | US6672582B2 (fr) |
EP (1) | EP1215150B1 (fr) |
JP (1) | JP3887223B2 (fr) |
CN (1) | CN1169702C (fr) |
AT (1) | ATE302155T1 (fr) |
AU (1) | AU9721801A (fr) |
CA (1) | CA2364915A1 (fr) |
CH (1) | CH694186A5 (fr) |
DE (1) | DE60112697T2 (fr) |
ES (1) | ES2246283T3 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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AU2009213038B2 (en) * | 2009-07-09 | 2011-02-03 | Chan Li Machinery Co., Ltd. | Screening examination system and method |
WO2013113488A1 (fr) * | 2012-02-03 | 2013-08-08 | Bobst Mex Sa | Procede de prelevement d'echantillons dans une machine de conditionnement d'objets plats et machine de conditionnement pour la mise en oeuvre d'un tel procede |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
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CH633761A5 (fr) | 1979-10-09 | 1982-12-31 | Bobst Sa | Dispositif pour empiler des objets plats, notamment des decoupes de boites pliantes. |
EP0316477A1 (fr) | 1987-11-19 | 1989-05-24 | Drg (Uk) Limited | Procédé et dispositif pour traiter des feuilles |
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- 2001-11-26 EP EP01128021A patent/EP1215150B1/fr not_active Expired - Lifetime
- 2001-11-26 ES ES01128021T patent/ES2246283T3/es not_active Expired - Lifetime
- 2001-11-26 DE DE60112697T patent/DE60112697T2/de not_active Expired - Lifetime
- 2001-11-26 AT AT01128021T patent/ATE302155T1/de not_active IP Right Cessation
- 2001-12-13 CA CA002364915A patent/CA2364915A1/fr not_active Abandoned
- 2001-12-13 AU AU97218/01A patent/AU9721801A/en not_active Abandoned
- 2001-12-14 CN CNB011438800A patent/CN1169702C/zh not_active Expired - Lifetime
- 2001-12-14 JP JP2001381262A patent/JP3887223B2/ja not_active Expired - Fee Related
- 2001-12-14 US US10/017,063 patent/US6672582B2/en not_active Expired - Lifetime
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DE2207175A1 (de) * | 1972-02-16 | 1973-09-06 | Guenther Dr Ing Schick | Verfahren und vorrichtung zur bildung von stapeln abgezaehlter loseblatt, formularsaetze oder gefalzter lagen in einem einzigen stapelmagazin |
GB2074990A (en) * | 1980-04-09 | 1981-11-11 | Drg Uk Ltd | Sheet delivery and stacking method and apparatus |
NL8602926A (nl) * | 1986-11-18 | 1988-06-16 | Universal Almelo B V | Inrichting voor het creeren van een onderbreking in een bewegende stroom van elkaar dakpansgewijs overlappende stroken. |
DE3926966A1 (de) * | 1989-08-16 | 1991-02-21 | Bhs Bayerische Berg | Vorrichtung zum lueckenbilden in einem geschuppten gutstrom, insbesondere in dem strom von wellpappenbogen |
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Publication number | Priority date | Publication date | Assignee | Title |
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AU2009213038B2 (en) * | 2009-07-09 | 2011-02-03 | Chan Li Machinery Co., Ltd. | Screening examination system and method |
WO2013113488A1 (fr) * | 2012-02-03 | 2013-08-08 | Bobst Mex Sa | Procede de prelevement d'echantillons dans une machine de conditionnement d'objets plats et machine de conditionnement pour la mise en oeuvre d'un tel procede |
US9517912B2 (en) | 2012-02-03 | 2016-12-13 | Bobst Mex Sa | Method for collecting samples of flat objects in a packaging machine and packaging machine for implementing said method |
Also Published As
Publication number | Publication date |
---|---|
US20020101031A1 (en) | 2002-08-01 |
US6672582B2 (en) | 2004-01-06 |
ES2246283T3 (es) | 2006-02-16 |
DE60112697T2 (de) | 2006-06-08 |
DE60112697D1 (de) | 2005-09-22 |
EP1215150A3 (fr) | 2004-01-02 |
EP1215150B1 (fr) | 2005-08-17 |
AU9721801A (en) | 2002-06-20 |
JP2002226116A (ja) | 2002-08-14 |
JP3887223B2 (ja) | 2007-02-28 |
CN1358657A (zh) | 2002-07-17 |
CH694186A5 (fr) | 2004-08-31 |
ATE302155T1 (de) | 2005-09-15 |
CN1169702C (zh) | 2004-10-06 |
CA2364915A1 (fr) | 2002-06-14 |
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