The present invention relates to a flexographic printing unit (17) for a converting machine (10). The flexographic printing unit comprises a flexographic printing assembly (28) including a printing cylinder (30), an anilox cylinder, a counter cylinder (32) and a doctor blade chamber (36). The printing cylinder being arranged vertically above the counter cylinder and configured to print on a top side (S1) of a sheet (1). The flexographic printing unit comprises a fixed frame portion (102) and a movable frame portion (104), and the printing cylinder, anilox cylinder and the doctor blade chamber are attached to the movable frame portion and the counter cylinder is attached to the fixed frame portion. The movable frame portion being vertically movable between an operating position where the printing cylinder is positioned against the counter cylinder and a service position where the printing cylinder is further distanced from the counter cylinder.
The present invention relates to an inversion transfer module (60) for a converting machine having a printing module (16) comprising a first printing unit (17) arranged to print on a top side (S1) of the sheet (1), and a second printing unit (17′) arranged to print a bottom side (S2) of the sheet. The inversion transfer module is arranged between the first printing unit and the second printing unit and comprises a first inversion vacuum transfer (62) arranged to contact the first side of the sheet and a second inversion vacuum transfer (64) configured to contact the second side of the sheet, whereby the inversion transfer module is configured to change the side of adherence and transportation of the sheet.
The present invention relates to a calibration system (30) and a calibration method for a converting machine (20) provided with a die-cutting tool (18′) and at least one transfer unit (25) for transporting a sheet (1) along a travel path in a direction of conveyance (D) through the converting machine. The calibration system comprising a first image sensor (33), a memory (36) and a control unit (34). The calibration system is configured to detect an actual position of an indicia (42) on the sheet (1) and compare with a reference position of the indicia (42) stored in the memory (36). A correction program stored in the memory is executed when at least one of the longitudinal displacement (Δxi) and the lateral displacement (Δyi) of the indicia exceeds a predetermined tolerance threshold (Txi, Tyi).
B26D 5/00 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
A creasing tool (53) configured to create a crease line (11, 12) in a fibrous substrate (35), the creasing tool comprises a contact portion (50) having a base surface (57) and a relief portion (54), the relief portion is provided as a protruding pattern extending from the base surface (57) and is configured to be pressed against said fibrous substrate,
wherein the relief portion (54) comprises a crease-line forming portion (56) and a peripheral deformation portion (59), and
wherein the peripheral deformation portion comprises a plurality of discrete segments in the shape of curved transverse surface areas (58) extending in a direction (E) transverse to a longitudinal direction (L) of the crease-line forming portion (56).
A measuring device for measuring a width (W) between a first edge (4) and a second edge (5) of spaced apart opposed edges (4, 5) of a slot (16) in a product (1′), comprising:
a measuring part (18), with a measuring detector and a display (28), and provided with a first tab (37) configured to enter into the slot (16), and
a slide (29), defining a longitudinal axis (X), being arranged so as to be adjustable relative to the measuring part (18) along the longitudinal axis (X), and provided with a second tab (46) being configured to enter into the slot (16).
A measuring device for measuring a width (W) between a first edge (4) and a second edge (5) of spaced apart opposed edges (4, 5) of a slot (16) in a product (1′), comprising:
a measuring part (18), with a measuring detector and a display (28), and provided with a first tab (37) configured to enter into the slot (16), and
a slide (29), defining a longitudinal axis (X), being arranged so as to be adjustable relative to the measuring part (18) along the longitudinal axis (X), and provided with a second tab (46) being configured to enter into the slot (16).
The slide (29) is adjusted so that a first surface (44) of the first tab (37) contacts the first edge (4) and a second surface (49) of the second tab (46) contacts the second edge (5).
A measuring device for measuring a width (W) between a first edge (4) and a second edge (5) of spaced apart opposed edges (4, 5) of a slot (16) in a product (1′), comprising:
a measuring part (18), with a measuring detector and a display (28), and provided with a first tab (37) configured to enter into the slot (16), and
a slide (29), defining a longitudinal axis (X), being arranged so as to be adjustable relative to the measuring part (18) along the longitudinal axis (X), and provided with a second tab (46) being configured to enter into the slot (16).
The slide (29) is adjusted so that a first surface (44) of the first tab (37) contacts the first edge (4) and a second surface (49) of the second tab (46) contacts the second edge (5).
A distance (d) between the first surface (44) and the second surface (49) corresponding to the width (W) is detected by the measuring detector, and the value of the width (W) is displayed by the display (28).
A measuring device for measuring a width (W) between a first edge (4) and a second edge (5) of spaced apart opposed edges (4, 5) of a slot (16) in a product (1′), comprising:
a measuring part (18), with a measuring detector and a display (28), and provided with a first tab (37) configured to enter into the slot (16), and
a slide (29), defining a longitudinal axis (X), being arranged so as to be adjustable relative to the measuring part (18) along the longitudinal axis (X), and provided with a second tab (46) being configured to enter into the slot (16).
The slide (29) is adjusted so that a first surface (44) of the first tab (37) contacts the first edge (4) and a second surface (49) of the second tab (46) contacts the second edge (5).
A distance (d) between the first surface (44) and the second surface (49) corresponding to the width (W) is detected by the measuring detector, and the value of the width (W) is displayed by the display (28).
The first and second tabs (37, 46) are oriented downwardly relative to the measuring part (18), perpendicular or transverse to the longitudinal axis (X) of the slide (29).
G01B 5/02 - Measuring arrangements characterised by the use of mechanical techniques for measuring length, width, or thickness
G01B 3/38 - Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable
6.
METHOD FOR FOLDING A CORRUGATED CARDBOARD BLANK INTENDED TO FORM A FOLDED BOX
The invention relates to a method for folding a corrugated cardboard blank (1) intended to form a folded box, the method comprising the following series of steps:
The invention relates to a method for folding a corrugated cardboard blank (1) intended to form a folded box, the method comprising the following series of steps:
i) supplying a blank (1) comprising at least one longitudinal crease (11);
ii) applying a liquid to the longitudinal crease (11) so as to make the corrugated cardboard more flexible at the location of the longitudinal crease (11), the application being performed by means of a liquid application arrangement (130) comprising a liquid-ejection nozzle (134) provided with a liquid outlet;
iii) folding the blank (1) around the longitudinal crease (11);
wherein an aspiration of liquid is produced inside an aspiration compartment (163) of the liquid application arrangement (130) during step ii). The aspiration making it possible to remove any excess liquid which might not have been absorbed by the cardboard and/or the cardboard dust produced.
The unit for forming a plate element (2) for the continuous flow manufacturing of folding boxes (CA1, CA2) from plate elements (3), the plate elements (3) being successively inserted into the unit (2) and moving in a feed direction (FD), comprising pairs of rotary cylindrical shafts (2001-2031, 2002-2032), carrying forming tooling, which forms the plate elements (4) using slitting, creasing and cutting operations, comprising a cutting unit (21), and pairs of rotary cylindrical shafts (2001-2031, 2002-2032),
The invention relates to a line for manufacturing packagings (2) producing folding boxes (CA1, CA2) from plate elements (4), which comprises a feeding station (20), a shaping unit (33) which consecutively shapes the plate elements (4) by slitting, scoring and cutting operations, provided with pairs of shafts (230a-233a, 230b-233b) and a cutting unit (24), which engage to produce, in the shaped plate element (3), two juxtaposed folding box layers (P1, P2), arranged transversely to the direction of transport (FD), which are associated in series, and connected to one another by attachment points (45), a folding/gluing unit (26) which forms folded assemblies (5) by folding and gluing the shaped plate elements (4), a counting/ejection unit (27) which forms stacks of folded assemblies (6, 7), and a unit (29) for separating folding boxes comprising means arranged to produce, by breaking the attachment points (45), two separate batches (81, 82) of stacked folding boxes from each stack of folded assemblies (6, 7).
a drive system (12) configured to simultaneously move the arm in the longitudinal horizontal direction and to keep another of the arms in its longitudinal position.
B65H 31/32 - Auxiliary devices for receiving articles during removal of a completed pile
B65H 31/10 - Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another and applied at the top of the pile
B65H 31/20 - Pile receivers adjustable for different article sizes
B65H 31/30 - Arrangements for removing completed piles
10.
Station and method for receiving sheet elements for a machine for manufacturing packaging
a separator (21), mobile in the vertical direction, comprising several reception arms (22) being deployed in the longitudinal horizontal direction, for transiently receiving the sheet-form elements in bundle form, the arms (22) being disposed so as to be able to cross in the vertical direction without interacting with the belts (17) of the table (16).
B65H 31/30 - Arrangements for removing completed piles
B65H 31/10 - Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another and applied at the top of the pile
B65H 31/32 - Auxiliary devices for receiving articles during removal of a completed pile
11.
Handling carriage for the cylinder of a printing unit in a printing machine
The invention relates to a mobile handling carriage (9) for handling a rotary roll (10) in a printing unit (2), including: a mobile chassis (90); a support member (91) for supporting the roll (10); a first drive device (902) configured to drive the support member (91) in translation in a vertical direction; an actuator (92) mounted on the support member (91) and configured to collaborate with the roll (10) positioned a distance above the support member (91); a second drive device (910) configured to drive the actuator (92) in translation in a longitudinal direction; a control circuit configured to control a first sequence including, in succession: a raising of the support member (91); a longitudinal translation of the support member (91) in a first direction; a lowering of the support member (91); a longitudinal translation of the actuator in the first direction.
A doctor blade, intended for a doctor blade chamber (6) for a flexography printing unit (1) equipped with a screened cylinder (4), presents in the form of a rectangular blade, with a functional longitudinal side (34) of which a longitudinal edge is capable of making contact with the screened cylinder (4), a longitudinal fastening side (33) and two lateral sides (36, 37).
The doctor blade comprises at least one opening located towards the functional longitudinal side (34) and towards the first of the two lateral sides (36, 37).
A main body of doctor blade chambers including a first portion configured to hold a first doctor blade, a second portion configured to hold a second doctor blade, a third portion connecting the first portion and the second portion, a cavity intended to receive ink and defined at least by the first portion, the second portion and the third portion, characterized in that the main body is a single closed hollow profile extending along a longitudinal main axis X-X, the main body being made of pultruded composite material.
A quality-control device (200) includes: an illumination system (202) for illuminating one peripheral face of each folding box, an image capture device (204) for forming a multiple image of the respective peripheral faces of a bundle of folding boxes, an image processing system (206) for: i) detecting within the multiple image each peripheral end of the slots of each box that separate its adjacent flaps, ii) generating a data set indicative of the geometry of each peripheral end, and iii) analyzing the data set to determine the width of each peripheral end.
A conveyor belt for conveying plate elements in a machine for converting the elements that includes a belt body with longitudinal edges, joining edges, and a support surface for supporting the elements, and at least one assembly member arranged to join the joining edges, and extending in a direction of assembly which is oblique to the longitudinal direction, the belt body having a plurality of perforations for obtaining a vacuum on the support surface to immobilize the elements.
B65G 17/46 - Means for holding or retaining the loads in fixed position on the load-carriers, e.g. magnetic
F16G 3/00 - Belt fastenings, e.g. for conveyor belts
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
F16G 3/02 - Belt fastenings, e.g. for conveyor belts with series of eyes or the like, interposed and linked by a pin to form a hinge
F16G 3/04 - Belt fastenings, e.g. for conveyor belts with series of eyes or the like, interposed and linked by a pin to form a hinge in which the ends of separate U-shaped or like eyes are attached to the belt by parts penetrating into it
B65G 21/20 - Means incorporated in, or attached to, framework or housings for guiding load-carriers, traction elements or loads supported on moving surfaces
17.
Printing unit for printing plate elements from printing plates and converting machine comprising such a printing unit
A printing unit for making prints from printing plates on plate elements conveyed by a transport system having at least one plate cylinder mounted rotatably and suitable for carrying initially at least one earlier printing plate and then at least one later printing plate, the printing unit includes a primary support suitable for supporting the later printing plate, in a standby configuration, during printing using the earlier printing plate and during the unwinding of the earlier printing plate, and in an engaged configuration, during the winding of the later printing plate onto the plate cylinder, a portion of the later printing plate being attached to the plate cylinder, and a secondary support suitable for supporting the earlier printing plate unwound from the plate cylinder, in which the primary support includes a primary fastening member for fastening the later printing plate in the standby configuration, and a primary fastening mechanism for fastening the later printing plate in the engaged configuration.
A control method for controlling a converting machine that acts on plate elements for forming containers, the method including displaying with a graphical control interface at least one image representing a plate element or a container formed by a plate element, and control areas which are superimposed on the image and which respectively symbolize characteristic magnitudes of the conversions to be induced on each plate element, receiving by a processing unit a command entered individually by the operator by activating a control area, and controlling in response to the individually entered command, the processing unit to generate at least two respective adjustment signals correlated by a predetermined adjustment law to adjust at least two respective adjustable parameters, whereby corresponding converting members induce a change in a characteristic magnitude.
G05B 19/18 - Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
B41F 33/02 - Arrangements of indicating devices, e.g. counters
G06F 3/0484 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
B41F 19/00 - Apparatus or machines for carrying out printing operations combined with other operations
B41F 33/00 - Indicating, counting, warning, control or safety devices
patents
