The present invention relates to a security system (10) for securing a restricted access area in a converting machine. The security system (10) comprises a detection unit (20) comprising a plurality of sensors (22) arranged side by side an having a vertical sensing direction. Each sensor has an individual control zone (Z). The detection unit is configured to detect control signals (23) indicating an arrival time (t1) and a departure time (t2) of an object (24, 32) transported through each of the control zones. The security system further comprises an evaluation unit (26) configured to receive the control signals (23) from the detection unit and a memory (25) containing a program to cause the evaluation unit to determine an error state indicating the presence of a prohibited access based on the control signals (23).
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
The invention relates to a method of aligning a plurality of printed motifs on a sheet (3) in a converting machine (10). An actual position (Pa_1) at a first sensor is defined as an initial reference position (P_ref1) for the sheet, and at least one displacement error (∆d2) is calculated and compared to a first threshold (T1). If the displacement error is lower than the first threshold, then the angular position (α) of a printing cylinder (42) in the second flexographic printing unit (16b) is adjusted. However, if the error is higher than the first threshold, then at least part of the of the displacement error (∆d_2) is corrected by modifying the speed (V) of a vacuum transfer unit located between the first printing unit and the second printing unit.
The invention relates to converting machine (10) for producing flat-packed or folding of boxes (1") from sheets (1), the converting machine being configured to transport the sheets in a direction of transportation (T). The converting machine comprises a first printing module (16) configured to print on one of a first side and a second side of the sheet (1) and a die-cutting module (18) comprising a tool- holder cylinder configured to connect to a die-cutting tool and a counter-cylinder, the die-cutting module being configured to apply cut lines to the first side of the sheet. The machine further comprises a separate scoring module (19) having a scoring tool configured to apply crease lines on a second side of the sheet.
B26D 1/40 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
B31B 50/00 - Making rigid or semi-rigid containers, e.g. boxes or cartons
B26D 3/08 - Making a superficial cut in the surface of the work without removal of material, e.g. scoring, incising
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
B41J 3/60 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material
4.
INVERSION TRANSFER MODULE FOR A CONVERTING MACHINE
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 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 a converting machine provided with an inversion transfer module (60). The converting machine comprises a printing module (16) comprising a first printing unit (17) arranged to print on a top side (S1) of a 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 and a second inversion vacuum transfers (62, 64) which are 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
B26D 5/34 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier scanning being effected by a photosensitive device
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). 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 5/14 - Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
B31B 50/00 - Making rigid or semi-rigid containers, e.g. boxes or cartons
B31B 50/62 - Uniting opposed surfaces or edges; Taping by adhesives
10.
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 successive steps: i) supply of a blank (1) comprising at least one longitudinal score (11); ii) application of a liquid to the longitudinal score (11) so as to make the corrugated cardboard more flexible at the location of the longitudinal score (11), the application being performed by means of a liquid application arrangement (130) comprising a liquid-ejecting nozzle (134) provided with a liquid outlet; iii) folding the blank (1) around the longitudinal score (11); wherein liquid suction is carried out within a suction compartment (163) of the liquid application arrangement (130) during step ii). The suction makes it possible to remove any excess liquid which might not have been absorbed by the cardboard and/or the cardboard dust produced.
aabbb) 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/glueing 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).
The invention relates to a station for receiving sheet elements and discharging bundles of sheet elements for a machine for manufacturing packaging, comprising: - an arrangement for feeding sheet elements successively one after another (8), - a lifting table (16), which is movable in a vertical direction, comprising a plurality of endless conveyor belts (17) extending in a longitudinal horizontal direction, for receiving the sheet elements in the form of a bundle, - an output conveyor (14), for discharging the sheet elements in the form of a bundle, and - a separator (21), which is movable in the vertical direction, comprising a plurality of receiving arms (22) that deploy in the longitudinal horizontal direction, for the transient reception of the sheet elements in the form of a bundle, 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 31/32 - 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 31/30 - Arrangements for removing completed piles
14.
SEPARATOR FOR THE TRANSIENT RECEPTION OF SHEET ELEMENTS BETWEEN A LIFTING TABLE AND AN OUTPUT CONVEYOR FOR BUNDLES OF ELEMENTS
A separator (1) for the transient reception of sheet elements (9) before they are transferred from a lifting table (2) to an output conveyor (3) for bundles of sheet elements comprises: • - a support (10) mounted so as to slide in a vertical direction; • - a device (11) for driving the support in the vertical direction; • - a plurality of arms (13) that extend in a longitudinal horizontal direction and are spaced apart from one another in a transverse direction, at least one arm (13) being mounted so as to be able to move in the longitudinal horizontal direction with respect to the support, the movement of the arm changing the overhanging length thereof with respect to the support (10) on a first side in the longitudinal horizontal direction; • - a drive system (12) configured to simultaneously move the arm in the longitudinal horizontal direction and 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 31/30 - Arrangements for removing completed piles
B65H 31/20 - Pile receivers adjustable for different article sizes
15.
HANDLING CARRIAGE FOR THE CYLINDER OF A PRINTING UNIT IN A PRINTING MACHINE
A movable carriage (9) for handling a rotary cylinder (10) in a printing unit (2) of a printing machine (100), comprises: - a frame (90) that is movable in a horizontal plane; - a support member (91) mounted on the frame, configured to support and hold the cylinder (10) such that its axis of rotation is oriented in a transverse direction; - a first drive device (902) configured to move the support member (91) in translation relative to the frame (90) in a vertical direction; - an actuator (92) mounted on the support member (91) and configured to cooperate with a cylinder (10) positioned at a distance above the support member (91); - a second drive device (910) configured to move the actuator (92) in translation relative to the support member (91), in a longitudinal direction; - a control circuit configured to control a first sequence including, successively: - raising of the support member (91); - longitudinal translation of the support member (91) in a first direction; - lowering of the support member (91); - longitudinal translation of the actuator (92) 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).
B41F 31/04 - Ducts, containers, supply or metering devices with duct-blades or like metering devices
B05C 11/04 - Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface; Control of the thickness of a coating with blades
B41F 9/10 - Wiping mechanisms with doctors, scrapers, or like devices
B41N 10/00 - Blankets or like coverings; Coverings for wipers for intaglio printing
17.
DEVICE FOR ATTACHING A DOCTOR BLADE ON A DOCTOR BLADE CHAMBER AND DOCTOR BLADE CHAMBER THUS EQUIPPED
A device (10) for attaching a doctor blade (3) on a body (2) of a doctor blade chamber (1), comprising: - at least one clamping flange (11) configured to press the doctor blade (3) on the body (2) of the doctor blade chamber (1), - at least one first attachment member (20), and - at least one second attachment member (30), wherein the first attachment member (20) comprises at least one first retaining section (21) having an upper end (21a) and a lower end (21b), a second section (22), different from the first retaining section (21), and wherein the second attachment member (30) comprises at least a first portion (31) having at least one retaining element (34a), a second portion (32) having at least one retaining element (34b), an intermediate portion (33) having no retaining element and arranged between the first portion (31) and the second portion (32).
The invention relates to a main body (2) of doctor blade chambers (1) comprising a first portion (2a) configured to hold a first doctor blade (3), a second portion (2b) configured to hold a second doctor blade (4), a third portion (2c) connecting the first portion (2a) and the second portion (2b), a cavity (2e) intended to receive ink and defined at least by the first portion (2a), the second portion (2b) and the third portion (2c), characterised in that the main body (2) is a single closed hollow profile extending along a longitudinal main axis X-X, the main body (2) being made of pultruded composite material.
The invention relates to a rupture device (1) comprising: an upper pressure member (2); a support part (4) for supporting the stack, said support part including multiple conveyor members (10) for conveying the stack in a conveying direction (X); and a lower pressure member (6) arranged below the conveyor members (10). The conveyor members (10) are adjacent to one another in a transverse direction (Y). Two adjacent conveyor members (10) can be moved apart from one another. The lower pressure member (6) comprises: i) two lower adjacent plates (6.1, 6.2) which can be moved apart from one another, and ii) a lower linear-movement actuator (6.3) for moving the lower plates (6.1, 6.2) so as to align the rupture slit (2.0) with a rupture line.
This quality-control device (200) comprises: 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 peripheral face of a bundle of folding boxes, an image processing system (206) for: i) detecting within the multiple image each peripheral end of the slots that separate 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 method of control for controlling a transformation machine, intended to act on plate-shaped elements (4) intended to form containers, comprises a step of display (102), in which the graphical control interface (20) displays at least one image (21) representing a plate-shaped element (4) or a container formed by a plate-shaped element, and control areas (24.1, 24.2, 26.1, 26.2, 28.1, 28.2) which are superposed on the image (21) and which symbolize respectively characteristic quantities indicative of the transformations to be induced on each plate-shaped element (4), a step of reception (103), in which the processing unit (22) receives one of the commands input individually by the operator by activating a control area (24.1, 24.2, 26.1, 26.2, 28.1, 28.2), and a step of control (104), in which, in response to the individually input command, the processing unit (22) generates at least two respective adjustment signals correlated by a predetermined adjustment law in such a way as to adjust at least two respective adjustable parameters, so that the corresponding transformation members induce a change in the characteristic quantity.
The invention relates to a printing module (3, 4) for producing prints from negatives (11, 12) onto plate elements that are moved by a transport system (2), which comprises at least one rotatably mounted, negative-holding cylinder (6) suitable for supporting, firstly, at least one front negative (11) then at least one rear negative (12), and which includes: a main carrier (22), suitable for supporting the rear negative (12) in a stand-by configuration during the printing from the front negative (11) and while the front negative (11) is unwinding, and in an insertion configuration, while the rear negative (12) is winding onto the negative-holding cylinder (6), one portion of the rear negative (12) being attached to the negative-holding cylinder (6); and a secondary carrier (41), suitable for supporting the front negative (11) that has unwound from the negative-holding cylinder (6). The main carrier (22) further includes at least one main hooking member (24), for hooking the rear negative (12) in the stand-by configuration, and a main hooking mechanism (31), for hooking the rear negative (12) in the insertion configuration.
A conveyor belt (1) designed for transporting plate-shaped items (3) in a machine for processing items (51), comprises a belt body (2), having longitudinal edges (4, 6), connecting edges (8, 10), and a support face (2.1), shaped to support the items (3), and at least one assembling member (12), arranged so as to join the connecting edges (8, 10), and extending in an assembling direction (X12) that is oblique relative to the longitudinal direction (Y4.6). The belt body (2) has a plurality of perforations (21) that make it possible to obtain a vacuum on the support face (2.1), so as to immobilise the items (3).
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
24.
DEVICE FOR TREATING A PLATE-SHAPED ELEMENT, TREATMENT UNIT, AND MACHINE FOR MANUFACTURING PACKAGING
The invention relates to a device for treating a plate-shaped element (35), which is to be mounted at a lateral side of a machine (33) for manufacturing packaging, wherein the element (35), which moves at an operating speed, includes a hub (52) that rotates (R) relative to a substantially horizontal and transverse rotational pin (53), two tools (57, 58) that are mounted on the hub (52) and capable of treating the element (35) in a respective treatment position, driving means capable of rotating (R) the hub (52) and the two tools (57, 58), and a counter-tool (64) that rotates (C) relative to a substantially horizontal and transverse rotational pin that is parallel to the rotational pin (53) of the hub (52), the element (35) being inserted between the tools (57, 58) and the counter-tool (64). The rotating (R) speed (V) of the hub (52) varies during a rotation cycle of the hub (52), while having two constant-speed phases (67, 68), said constant speed being substantially equal to the operating speed, wherein, during said phases, each of the tools (57, 58) is in the treatment position for consecutively treating the element (35), and at least one variable-speed phase (69, 71, 72, 74), during which each of the two tools (57, 58) is in an intermediate position between the respective treatment positions of each of the two tools (57, 58), so as to form a front side-treatment position and a back side-treatment position on the element (35).
patents
