B31B50/146

ROTARY-TOOL MANDREL, UNIT FOR CONVERTING A FLAT SUBSTRATE, AND OPERATING METHOD
20170305095 · 2017-10-26 ·

A rotary-tool mandrel for a unit for converting a flat substrate, on which a sleeve (13) is intended to be fitted, the mandrel includes a cylindrical core (14), a peripheral wall (17) that is able to take up a rest position and a locking position by exerting a radial pressure on the sleeve (13) in order to lock it in position on the mandrel (12), a pressure fluid circuit (21) provided between the peripheral wall (17) and the cylindrical core (14) for exerting the radial pressure on the sleeve (13), and a cooling fluid circuit (24) for allowing a fluid to flow in the region of the cylindrical core (14) and for cooling the mandrel (12).

SLEEVE EXTRACTOR, UNIT FOR CONVERTING A FLAT SUBSTRATE, AND METHOD FOR EXTRACTING SLEEVES
20170326831 · 2017-11-16 ·

A rotary-tool sleeve extractor for a unit for converting a flat substrate that includes a base (23) intended to be fixed to the conversion unit (7) and an extraction head (24) that: a) is movable with respect to the base (23) between a withdrawn position and a deployed position and, b) has a gripper (25) that can engage with a sleeve (13) of a rotary tool (10, 11).

SLOTTER APPARATUS, AND MACHINE FOR MANUFACTURE OF CARTON
20220048269 · 2022-02-17 ·

A slotter apparatus includes a slotter knife rotatable in a same direction as a conveyance direction of a sheet that is conveyed on a conveyance path, the slotter knife having a cutting edge, for forming a notch groove in the sheet, on an outer periphery of the slotter knife. A protruding part protrudes outward from the cutting edge at one end of the slotter knife, the protruding part cutting an end part of the notch groove by piercing the sheet. A drive device that drives the slotter knife so as to rotate. A control device that, at least when the protruding part passes through from the upper surface of the sheet, controls the relative relationship between the circumferential velocity of the slotter knife and the conveyance velocity of the sheet so that the protruding part does not interfere with the end part.

Converting machine with fold sensing mechanism
11242214 · 2022-02-08 · ·

A converting machine is used to convert sheet material into packaging templates for assembly into boxes or other packaging. The converting machine includes a converting assembly that performs transverse conversion functions and longitudinal conversion functions on the sheet material to create the packaging templates. A fanfold crease sensing mechanism detects the presence and location of fanfold creases in the sheet material. Based on the location of the fanfold creases, the fanfold creases are either cut out of the sheet material, or the sheet material is cut to adjust the position of the fanfold crease in a packaging template.

TOOL-HOLDER COLUMN, UNIT FOR CONVERTING A FLAT SUBSTRATE, AND METHODS FOR REMOVING A ROTARY TOOL FROM AND MOUNTING IT IN A CONVERSION UNIT
20170266833 · 2017-09-21 ·

A tool-holder column for a unit for converting a flat substrate that has two upper bearings (14, 16) each for supporting one end of an upper rotary tool (10), and two lower bearings (15, 17) each for supporting one end of a lower rotary tool (11), the flat substrate being movable longitudinally between the upper rotary tool (10) and the lower rotary tool (11), the bearings (14, 15, 16, 17) being vertically movable in opposite directions on either side of the longitudinal direction (L) of movement of the flat substrate, and a common drive for the bearings (14, 15, 16, 17) allowing the bearings (14, 15, 16, 17) to be moved simultaneously by one and the same distance in opposite directions, and including a screw device (25), the bearings (14, 15, 16, 17) being mounted one above another on the screw device (25) such that the rotation of the screw device (25) causes the linear movement of the bearings (14, 15, 16, 17) in opposite directions.

METHOD AND STATION FOR CONVERTING A FLAT SUBSTRATE
20170266832 · 2017-09-21 ·

A method for converting a flat substrate (W) in a station (3) for converting a flat substrate (W) that includes a rotary cutting unit (9) and at least one rotary deformation unit (7, 8) positioned upstream of the rotary cutting unit (9) in the direction of movement (L) of the flat substrate (W), the method including: determining the conversion parameters of the flat substrate (W), such as the deformation layout and cutting layout; choosing a sleeve (13) carrying a form for carrying out the deformation depending on the deformation layout; mounting the sleeve (13) on a mandrel (12) in the rotary deformation unit (7, 8); choosing the cutting tools (91, 92) depending on the cutting layout; mounting the cutting tools (91, 92) in the rotary cutting unit (9); and starting the conversion of the flat substrate (W).

EDGE-CUTTING DEVICE
20220040949 · 2022-02-10 ·

An edge-cutting device performs edge-cutting for cutting away trimmings of a corrugated cardboard sheet toward the front and back when switching between orders is to be performed in a corrugating machine. This edge-cutting device has an edge-cutting knife provided to project from the outer circumference of a cylinder having an axis disposed in the width direction of the corrugating machine; and a control device that, when switching between orders is to be performed, controls the edge-cutting device to perform a first edge-cutting process for edge-cutting trimming of an old order at the first rotation of the edge-cutting knife and a second edge-cutting process for edge-cutting trimming of a new order at the second rotation. The control device includes a calculation device for calculating the order switching time, and a variable control device for variably controlling the time interval between the first edge-cutting process and the second edge-cutting process.

Box making machinery and method for adjusting processing position of corrugated boards

A box making machinery and a corrugated board running register method, include a feeding unit, a processing apparatus which carries out processing on a corrugated board, a running register device which adjusts the processing position of the processing device in a carrying direction of the corrugated board, and a control device which controls the running register device, wherein the control device includes a carrying misalignment amount calculation unit which calculates the carrying misalignment amount of the corrugated board from the feeding unit to a preset predetermined carrying position, and a control unit which adjusts the processing position of the corrugated board to be processed next using the running register device on the basis of the carrying misalignment amount after processing of the corrugated board has finished.

CONVERTING MACHINE WITH FOLD SENSING MECHANISM
20210371229 · 2021-12-02 ·

A converting machine is used to convert sheet material into packaging templates for assembly into boxes or other packaging. The converting machine includes a converting assembly that performs transverse conversion functions and longitudinal conversion functions on the sheet material to create the packaging templates. A fanfold crease sensing mechanism detects the presence and location of fanfold creases in the sheet material. Based on the location of the fanfold creases, the fanfold creases are either cut out of the sheet material, or the sheet material is cut to adjust the position of the fanfold crease in a packaging template.

UNIT FOR FORMING A PLATE ELEMENT FOR MANUFACTURING FOLDING BOXES
20220176669 · 2022-06-09 · ·

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, 200.sub.2-203.sub.2), 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 (200.sub.1-203.sub.1, 200.sub.2-203.sub.2),