EP3530578B1 - Machine d'emballage et procédé de fonctionnement associé - Google Patents

Machine d'emballage et procédé de fonctionnement associé Download PDF

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Publication number
EP3530578B1
EP3530578B1 EP19158941.5A EP19158941A EP3530578B1 EP 3530578 B1 EP3530578 B1 EP 3530578B1 EP 19158941 A EP19158941 A EP 19158941A EP 3530578 B1 EP3530578 B1 EP 3530578B1
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EP
European Patent Office
Prior art keywords
packaged
product
flat sheet
protruding
flap
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.)
Not-in-force
Application number
EP19158941.5A
Other languages
German (de)
English (en)
Other versions
EP3530578A1 (fr
Inventor
Enrico ROSSETTO
Gianpaolo BENOTTO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cma 2 Srl Costruzioni Meccaniche Automazioni
Original Assignee
CMA 2 Srl Costruzioni Meccaniche Automazioni
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Publication of EP3530578A1 publication Critical patent/EP3530578A1/fr
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Publication of EP3530578B1 publication Critical patent/EP3530578B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/004—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material in blanks, e.g. sheets precut and creased for folding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/08—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B49/00—Devices for folding or bending wrappers around contents
    • B65B49/08—Reciprocating or oscillating folders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/02—Applying adhesives or sealing liquids
    • B65B51/023—Applying adhesives or sealing liquids using applicator nozzles

Definitions

  • the present invention relates to a packaging machine and to the related operating method.
  • the present invention relates to a packaging machine capable of bending, in a fully automatic manner, a large rectangular honeycomb cardboard sheet, which is placed to cover the base of a stack or pack of substantially parallelepiped-shaped, wood panels.
  • a packaging machine capable of bending, in a fully automatic manner, a large rectangular honeycomb cardboard sheet, which is placed to cover the base of a stack or pack of substantially parallelepiped-shaped, wood panels.
  • the packaging machines that are used to package a succession of stacks of large wood panels currently comprise: a linear roller conveyor which is capable of feeding, parallel to its longitudinal axis, an object formed by the stack or pack of wood panels and by two large, substantially rectangular-shaped, honeycomb cardboard sheets that are placed to cover the base and the top of the pack of panels and moreover protrude in cantilever manner from the four vertical sides of the pack of panels; two movable shoulders that are arranged one in front of the other immediately above the linear conveyor, extend parallel to the feeding direction of the load, and are capable of moving on the linear conveyor perpendicularly to the feeding direction of the load; and an electrically-operated moving device that, on command, is capable of moving the two movable shoulders on the linear conveyor one towards the other, orthogonally to the feeding direction of the load, so as to arrange the two movable shoulders in abutment against the two lateral sides of the pack of panels.
  • Each movable shoulder of the machine is provided with a first folding assembly which is located at the height of the top cardboard sheet and is capable of L-bending the facing protruding lateral flap of the top cardboard sheet downwards and against the lateral side of the pack of panels; and a second folding assembly which is located at the height of the bottom cardboard sheet and is capable of L-bending the facing protruding lateral flap of the bottom cardboard sheet upwards and against the lateral side of the pack of panels.
  • each movable shoulder of the machine is additionally provided with a third folding assembly which is located near the protruding flap of the top cardboard sheet extending in cantilever manner from the front or rear side of the pack of panels and is capable of L-bending the aforesaid protruding flap downwards and against the front or rear side of the pack of panels; and with a fourth folding assembly which is located near the protruding flap of the bottom cardboard sheet extending in cantilever manner from the front or rear side of the pack of panels and is capable of L-bending the aforesaid protruding flap upwards and against the front or rear side of the pack of panels.
  • the packaging machines currently on the market are not able to quickly bend the entire honeycomb cardboard sheet, so as to form, on their own, the honeycomb cardboard tray that accommodates the base or the top of the stack or pack of wood panels. Accordingly, the palletizing lines for wood-panel packs are currently equipped with two packaging machines of the type described above, placed one after the other.
  • CN201647154U discloses a packaging machine wherein the two longer protruding lateral flaps of the bottom cardboard sheet are bent upwards while the pack of wood panels is moving forwards on the linear conveyor. Clearly this bending solution is inconsistent with the use of thick honeycomb cardboard sheets.
  • Aim of the present invention is to improve the packaging machines currently on the market so as to increase the hourly productivity of the palletizing line.
  • number 1 denotes as a whole a packaging machine particularly adapted to automatically bend the flat honeycomb cardboard sheet, or other similar semi-rigid protective material, of an object/ item 100 comprising: a preferably substantially parallelepiped-shaped, product/body to be packaged 101, and a flat honeycomb cardboard sheet 102, or other similar protective material, which is placed to cover the base of the product to be packaged 101 and moreover protrudes in cantilever manner from the four vertical sides or faces of the product to be packaged 101.
  • the flat honeycomb cardboard sheet 102 or the like is substantially rectangular in shape.
  • the packaging machine 1 is particularly adapted to fold the four protruding flaps of a flat honeycomb cardboard sheet 102, or other semi-rigid protective material, that is located beneath a preferably substantially parallelepiped-shaped, solid and large product to be packaged 101, so as to form a large honeycomb cardboard tray that accommodates and protects the base of the product to be packaged 101 and, in turn, is suitable to form the base of a large block which is easily transportable and substantially parallelepiped-shaped, traditionally called a pallet or palletized load.
  • the product to be packaged 101 furthermore consists of a stack or pack of substantially rectangular-shaped panels made of wood or other material.
  • the packaging machine 1 is particularly adapted to automatically bend the four flaps of the flat honeycomb cardboard sheet 102, or other semi-rigid protective material, that protrude in cantilever manner from the base of a stack or pack of panels 101 made of wood or other material, so as to form a large, substantially rectangular-shaped honeycomb cardboard tray, that accommodates and protects the base of the stack or pack of panels 101 made of wood or other material.
  • stack or pack of panels can be replaced by any other large-sized, substantially parallelepiped-shaped article.
  • the packaging machine 1 comprises: a rigid supporting framework 2 which is preferably made of metal girders and is adapted to stably rest on and, optionally, be anchored to the ground; and a linear conveyor 3 which is located on the upper part of supporting framework 2 and is adapted to feed, along a substantially straight and horizontal path p, the object 100 consisting of the flat honeycomb cardboard sheet 102 or the like, with the product to be packaged 101 resting in the middle.
  • the linear conveyor 3 is preferably structured so as to be able to selectively feed the object 100 along path p, in two substantially horizontal directions d 1 and d 2 opposite to each other.
  • the object 100 i.e. the ensemble made up of the product to be packaged 101 and the flat sheet 102, is moreover arranged roughly straddling the mid-plane M of the linear conveyor 3.
  • the linear conveyor 3 is preferably a motorised roller conveyor that preferably has an electric motor capable of rotating the rollers in both directions, so as to be able to selectively move the object 100 forward or backward in a direction parallel to the longitudinal axis of the same conveyor.
  • the linear conveyor 3 could also be a succession of preferably bidirectional, electrically-operated belt conveyors.
  • the packaging machine 1 furthermore comprises: a pair of movable shoulders 4 that are arranged one in front of the other directly above the feeding plane of the linear conveyor 3, preferably in a substantially specular position on opposite sides of the conveyor mid-plane M, extend parallel to the feeding path p of object 100, and are fixed on the supporting framework 2 so as to be able to move horizontally above the linear conveyor 3, substantially perpendicular to the feeding path p of object 100; and a preferably electrically-operated, moving device 5 which is adapted to move the two movable shoulders 4 one towards and away from the other, horizontally and orthogonally to feeding path p.
  • the two movable shoulders 4 define, above linear conveyor 3, a substantially straight and horizontal longitudinal aisle 7 along which the object 100 is fed.
  • the moving device 5 is selectively adapted to arrange the two movable shoulders 4 in abutment against the two opposite lateral sides of the product to be packaged 101, i.e. of the stack or pack of wood panels, which is temporarily stationary between the two movable shoulders 4, preferably so as to centre the object 100 to the mid-plane M of linear conveyor 3.
  • the moving device 5 is moreover capable of moving/displacing the two movable shoulders 4 in a synchronized manner, so as to be able to bring substantially at the same time the two movable shoulders 4 into abutment against the two opposite lateral sides of the product to be packaged 101 which is temporarily stationary between the two movable shoulders 4, i.e. into abutment against the two opposite lateral sides of the stack of wood panels which is temporarily stationary between the two movable shoulders 4.
  • each movable shoulder 4 in turn, preferably comprises: a rigid frame 8 with a substantially gantry structure, which is directly fixed to the supporting framework 2, preferably beneath the linear conveyor 3, with the capability of freely moving in an horizontal direction perpendicular to the feeding path p, stands in a cantilever manner above the linear conveyor 3 in a substantially vertical direction, and finally extends parallel to the feeding path p and the conveyor mid-plane M; and preferably a longitudinal beam 9 which is firmly fixed to the rigid frame 8 in a substantially horizontal position and above the feeding plane of linear conveyor 3, so as to be substantially parallel to the feeding path p and the conveyor mid-plane M, and is adapted to abut against the lateral side of the product to be packaged 101 that is temporarily stationary between the two movable shoulders 4.
  • each movable shoulder 4 is provided with a first folding assembly 10 which is located inside the longitudinal aisle 7 and is selectively adapted to L-bend the facing/adjacent protruding lateral flap 102a of flat sheet 102 upwards and substantially against the superjacent lateral face or side of the product to be packaged 101, i.e. against the superjacent lateral face or side of the stack of panels.
  • the folding assembly 10 is preferably fixed to the rigid frame 8 beneath the longitudinal beam 9 and at the height of the flat sheet 102, i.e. at the height of the feeding plane of linear conveyor 3, and is preferably vertically movable so as to be able to lift and L-bend upwards the facing/adjacent protruding lateral flap 102a of flat sheet 102, substantially against the superjacent lateral face or side of the product to be packaged 101, i.e. against the superjacent lateral face or side of the stack of wood panels.
  • the folding assembly 10 moreover extends inside the longitudinal aisle 7, substantially for the whole length of the same longitudinal aisle 7.
  • the folding assembly 10 preferably comprises: a longitudinal rod 11 that extends parallel to longitudinal beam 9, i.e. substantially horizontally, beneath the longitudinal beam 9 and is butt fixed to the two vertical uprights of rigid frame 8 with the capability of moving in the vertical direction; an electrically-operated moving device 12 which is preferably interposed between the rigid frame 8 and the longitudinal rod 11 and is adapted to move the longitudinal rod 11 along the vertical uprights of rigid frame 8, clearly in the vertical direction; a comb-like structure 13 protruding in cantilever manner from the longitudinal rod 11 and towards the conveyor mid-plane M, preferably in a substantially horizontal direction; and preferably also a set of vertical idle wheels 14 that lie on planes orthogonal to the conveyor mid-plane M, and are fixed in axially rotatable manner each to the distal end of a respective tooth/prong of the comb-like structure 13.
  • the moving device 12 moreover includes a pair of double-acting pistons, or similar linear actuators, that are arranged in a substantially vertical position, between the longitudinal rod 11 and the superjacent upper crosspiece of rigid frame 8.
  • each movable shoulder 4 is moreover provided with a second folding assembly 15 which is located at a first end of the longitudinal aisle 7 and is adapted to selectively L-bend the facing/adjacent protruding front flap 102b of flat sheet 102 (i.e. the protruding flap of flat sheet 102 extending in cantilever manner from the front side of the product to be packaged 101) upwards and substantially against the superjacent front face or side of the product to be packaged 101; and a third folding assembly 16, which is located at a second end of longitudinal aisle 7 and is adapted to selectively L-bend the facing/adjacent protruding rear flap 102c of flat sheet 102 (i.e. the protruding flap of flat sheet 102 extending in cantilever manner from the rear side of the product to be packaged 101) upwards and substantially against the superjacent rear face or side of the product to be packaged 101.
  • a second folding assembly 15 which is located at a first end of the longitudinal aisle 7 and is adapted to selectively L
  • the folding assembly 15 is located at the outlet of longitudinal aisle 7, beneath the feeding plane of linear conveyor 3, and is adapted to selectively protrude in cantilever manner above the feeding plane of linear conveyor 3 (see Figure 3 ), so as to be able to lift and L-bend upwards the adjacent protruding front flap 102b of flat sheet 102, against the superjacent front side of the product to be packaged 101, i.e. against the superjacent front side of the stack or pack of panels.
  • the folding assembly 15 is moreover firmly fixed to the rigid frame 8 of movable shoulder 4 so as to be able to move horizontally and transversely to the feeding path p of object 100, together with the folding assembly 10.
  • the folding assembly 15 is preferably fixed to the rigid frame 8, more or less aligned with the front vertical upright of the frame.
  • the folding assembly 16 is located at the inlet of longitudinal aisle 7, beneath the feeding plane of linear conveyor 3, and is adapted to selectively protrude in cantilever manner above the feeding plane of linear conveyor 3, so as to be able to lift and L-bend upwards the protruding rear flap 102c of flat sheet 102, against the superjacent rear side of the product to be packaged 101, i.e. against the superjacent rear side of the stack or pack of panels.
  • the folding assembly 16 is moreover firmly fixed to the rigid frame 8 of movable shoulder 4 so as to be able to move horizontally and transversely to the feeding path p of object 100, together with the folding assembly 10 and the folding assembly 15.
  • the folding assembly 16 is preferably additionally fixed to the rigid frame 8, more or less aligned with the rear vertical upright of the frame.
  • the folding assembly 15 is preferably rigidly fixed to the distal end of a support bracket 18 that protrudes in cantilever manner from the rigid frame 8 at the lower end of the front vertical upright, and extends more or less towards the conveyor mid-plane M while remaining beneath the linear conveyor 3.
  • the folding assembly 15 moreover comprises: a double-acting piston 19 or similar linear actuator, which is fixed to the distal end of support bracket 18 in vertical position, with the movable rod turned upwards; and a folding head 20 that is fixed to the distal end of the movable rod and is shaped so as to L-bend upwards the protruding front flap 102b of flat sheet 102 when the piston 19 lifts the folding head 20 and arranges the head above the resting plane of the flat sheet 102 (see Figure 3 ) that obviously lies/rests on the feeding plane of linear conveyor 3.
  • a double-acting piston 19 or similar linear actuator which is fixed to the distal end of support bracket 18 in vertical position, with the movable rod turned upwards
  • a folding head 20 that is fixed to the distal end of the movable rod and is shaped so as to L-bend upwards the protruding front flap 102b of flat sheet 102 when the piston 19 lifts the folding head 20 and arranges the head above the resting plane of the flat sheet
  • the folding head 20 is furthermore provided with a second double-acting piston 21 or similar linear actuator, which is arranged horizontally with the movable rod oriented parallel to the mid-plane M, and is selectively adapted to push a portion of the folding head 20 into abutment against the adjacent front face or side of the product to be packaged 101 (see Figure 3 ).
  • a second double-acting piston 21 or similar linear actuator which is arranged horizontally with the movable rod oriented parallel to the mid-plane M, and is selectively adapted to push a portion of the folding head 20 into abutment against the adjacent front face or side of the product to be packaged 101 (see Figure 3 ).
  • the folding assembly 16 is preferably rigidly fixed to the distal end of a support bracket 22 that protrudes in cantilever manner from the rigid frame 8 at the lower end of the rear vertical upright, and extends more or less towards the conveyor mid-plane M while remaining beneath the linear conveyor 3.
  • the folding assembly 16 moreover comprises: a double-acting piston 23 or similar linear actuator, which is fixed to the distal end of support bracket 22 in vertical position, with the movable rod turned upwards; and a folding head 24 which is fixed to the distal end of the movable rod and is shaped so as to L-bend upwards the protruding rear flap 102c of flat sheet 102 when the piston 23 lifts the folding head 24 and arranges the head above the resting plane of the flat sheet 102 that obviously rests on the linear conveyor 3.
  • a double-acting piston 23 or similar linear actuator which is fixed to the distal end of support bracket 22 in vertical position, with the movable rod turned upwards
  • a folding head 24 which is fixed to the distal end of the movable rod and is shaped so as to L-bend upwards the protruding rear flap 102c of flat sheet 102 when the piston 23 lifts the folding head 24 and arranges the head above the resting plane of the flat sheet 102 that obviously rests on the linear conveyor 3.
  • the folding head 24 is preferably provided with a second double-acting piston 25 or similar linear actuator, which is arranged horizontally with the movable rod oriented parallel to the mid-plane M, and is adapted to selectively push a portion of the folding head 24 into abutment against the adjacent rear face or side of the product to be packaged 101.
  • a second double-acting piston 25 or similar linear actuator which is arranged horizontally with the movable rod oriented parallel to the mid-plane M, and is adapted to selectively push a portion of the folding head 24 into abutment against the adjacent rear face or side of the product to be packaged 101.
  • each protruding lateral flap 102a of flat sheet 102 is preferably provided with two foldable end tabs 102e, each of which can be L-folded against the front or rear side of the product to be packaged 101, i.e. the stack or pack of panels, preferably placing itself underneath the adjacent front 102b or rear 102c protruding flap of flat sheet 102.
  • each end tab 102e of protruding lateral flap 102a is preferably adapted to be L-folded against the front or rear side of the product to be packaged 101 before the adjacent front 102b or rear 102c protruding flap.
  • each end tab 102e of the protruding lateral flap 102a could also be L-folded against the front or rear side of the product to be packaged 101 after the adjacent front 102b or rear 102c protruding flap, so as to overlap the latter.
  • each movable shoulder 4 is preferably moreover provided with a fourth folding assembly 26, which is located at the outlet of longitudinal aisle 7 and is adapted to L-bend the front end tab 102e of the facing/ adjacent protruding lateral flap 102a of flat sheet 102 towards the front side of the product to be packaged 101, i.e.
  • a fifth folding assembly 27 which is located at the inlet of longitudinal aisle 7 and is adapted to L-bend the rear end tab 102e of the facing/adjacent protruding lateral flap 102a of flat sheet 102 towards the rear side of the product to be packaged 101, i.e. of the stack or pack of panels, preferably while also firmly gluing said end tab 102e on the adjacent protruding rear flap 102c of flat sheet 102.
  • the folding assembly 26 is preferably rigidly fixed to the vertical upright of rigid frame 8, immediately above the linear conveyor 3 and substantially next to a first end of the longitudinal rod 11 of folding assembly 10, so as to face the front end tab 102e of the protruding lateral flap 102a of flat sheet 102.
  • the folding assembly 26 comprises, in particular: a double-acting piston 28, or other similar linear actuator, which is rigidly fixed on the side of the vertical upright of rigid frame 8, substantially horizontally and perpendicular to the conveyor mid-plane M, with the movable rod turned towards the conveyor mid-plane M of the and, thus, towards the end tab of the protruding flap 102a; and a folding head 29 which is fixed to the distal end of the movable rod, so as to be brought/ placed by the double-acting piston 28 into abutment against the adjacent vertical corner/edge of the product to be packaged 101.
  • a double-acting piston 28, or other similar linear actuator which is rigidly fixed on the side of the vertical upright of rigid frame 8, substantially horizontally and perpendicular to the conveyor mid-plane M, with the movable rod turned towards the conveyor mid-plane M of the and, thus, towards the end tab of the protruding flap 102a
  • a folding head 29 which is fixed to the distal end of the movable rod, so
  • the folding head 29 is additionally shaped so as to be able to L-bend, when pushed in abutment against the adjacent vertical corner/edge of the product to be packaged 101, the front end tab 102e of protruding lateral flap 102a against the front side of the product to be packaged 101, i.e. against the front side of the stack or pack of panels, over or underneath the end of the adjacent protruding front flap 102b of flat sheet 102.
  • the folding assembly 26 preferably furthermore comprises a glue-apply device 30 which is located next to the piston 28 and is provided with a glue spraying head 31, which is movable substantially horizontally towards and away from object 100 (see figures 3 , 4 and 5 ) and is adapted to spray a given amount of glue on the portion of protruding front flap 102b that will overlap the front end tab 102e of protruding lateral flap 102a, and/or on the face of front end tab 102e that will be covered by the protruding front flap 102b of flat sheet 102.
  • a glue-apply device 30 which is located next to the piston 28 and is provided with a glue spraying head 31, which is movable substantially horizontally towards and away from object 100 (see figures 3 , 4 and 5 ) and is adapted to spray a given amount of glue on the portion of protruding front flap 102b that will overlap the front end tab 102e of protruding lateral flap 102a, and/or on the face of front end tab
  • the folding assembly 27 is preferably rigidly fixed to the vertical upright of the rigid frame 8, directly above the linear conveyor 3 and substantially next to the second end of longitudinal rod 11, so as to face the rear end tab 102e of the protruding lateral flap 102a of flat sheet 102.
  • the folding assembly 27 furthermore comprises: a double-acting piston 32 or other similar linear actuator, which is rigidly fixed on the side of the vertical upright of rigid frame 8, substantially horizontally and perpendicular to the conveyor mid-plane M, with the movable rod turned towards the conveyor mid-plane M and, thus, towards the end tab 102e of protruding flap 102a; and a folding head 33 which is fixed to the distal end of the movable rod, so as to be brought/ placed by the double-acting piston 32 into abutment against the adjacent vertical corner/edge of the product to be packaged 101.
  • a double-acting piston 32 or other similar linear actuator which is rigidly fixed on the side of the vertical upright of rigid frame 8, substantially horizontally and perpendicular to the conveyor mid-plane M, with the movable rod turned towards the conveyor mid-plane M and, thus, towards the end tab 102e of protruding flap 102a
  • a folding head 33 which is fixed to the distal end of the movable rod, so as
  • the folding head 33 is additionally shaped so as to be able to L-bend, when pushed in abutment against the adjacent vertical corner/edge of the product to be packaged 101, the rear end tab 102e of the protruding lateral flap 102a against the rear side of the product to be packaged 101, i.e. against the rear side of the stack or pack of panels, over or underneath the end of the adjacent protruding rear flap 102c of flat sheet 102.
  • the folding assembly 27 preferably furthermore comprises a glue-apply device 34 which is located next to the piston 32 and is provided with a glue spraying head 35, which is movable substantially horizontally towards and away from object 100 and is adapted to spray a given amount of glue on the portion of the protruding rear flap 102c that will overlap the rear end tab of protruding lateral flap 102a and/or on the face of the rear end tab that will be covered by the protruding rear flap 102c of flat sheet 102.
  • a glue-apply device 34 which is located next to the piston 32 and is provided with a glue spraying head 35, which is movable substantially horizontally towards and away from object 100 and is adapted to spray a given amount of glue on the portion of the protruding rear flap 102c that will overlap the rear end tab of protruding lateral flap 102a and/or on the face of the rear end tab that will be covered by the protruding rear flap 102c of flat sheet 102.
  • the packaging machine 1 is provided with an electronic control unit (not shown) which is adapted to command the linear conveyor 3, the moving device 5 of the movable shoulders 4, and the folding assemblies 10, 15, 16, 26 and 27 present on the machine.
  • an electronic control unit (not shown) which is adapted to command the linear conveyor 3, the moving device 5 of the movable shoulders 4, and the folding assemblies 10, 15, 16, 26 and 27 present on the machine.
  • packaging machine 1 Operation of packaging machine 1 will be described below while making explicit reference, for simplicity, to the forming of the honeycomb or similar cardboard tray, beneath a large stack or block of wood panels 101 having a parallelepiped shape.
  • the stack or block of panels 101 can be replaced by any other solid and substantially parallelepiped-shaped body having.
  • the linear conveyor 3 feeds the stack of panels 101 with the honeycomb or similar cardboard flat sheet 102 underneath, along the longitudinal aisle 7 up to align the rear side of the stack of panels 101 with the inlet of the longitudinal aisle 7 of packaging machine 1.
  • the moving device 5 then moves the movable shoulders 4 one towards the other until the longitudinal beams 9 of the two movable shoulders 4 are in abutment against the two opposite lateral sides of the stack of panels 101, preferably so as to align and centre the stack of panels 101 and the honeycomb or similar cardboard flat sheet 102 to the conveyor mid-plane M.
  • the folding assemblies 10 present on the two movable shoulders 4 L-bend the two protruding lateral flaps 102a of flat sheet 102 upwards, so as to arrange the aforesaid flaps in abutment against the superjacent opposite lateral sides of the stack of panels 101.
  • the folding assemblies 27 present on the two movable shoulders 4 preferably L-bend the rear end tabs 102e of the two protruding lateral flaps 102a of flat sheet 102 towards the rear side of the stack of panels 101.
  • the folding assemblies 27 preferably additionally apply glue to the portions of the protruding rear flap 102c of flat sheet 102 that will overlap the rear end tabs 102e of the two protruding lateral flaps 102a.
  • the folding assemblies 16 present on the two movable shoulders 4 L-bend the protruding rear flap 102c of flat sheet 102 upwards, so as to arrange the aforesaid flap in abutment against the superjacent rear side of the stack of panels 101, preferably over the rear end tabs 102e of the two protruding lateral flaps 102a.
  • rear end tabs 102e of protruding lateral flap 102a could also be L-bent against the rear side of the stack of panels 101 after the protruding rear flap 102c, so as to overlap the latter.
  • the moving device 5 distances by a few centimetres the movable shoulders 4 from the two opposite lateral sides of the stack of panels 101, and immediately after the linear conveyor 3 moves the stack of panels 101 with the honeycomb or similar cardboard flat sheet 102 underneath, along the longitudinal aisle 7, up to align the front side of the stack of panels 101 with the outlet of the longitudinal aisle 7 of packaging machine 1.
  • the moving device 5 again brings the movable shoulders 4 in abutment against the two opposite lateral sides of the stack of panels 101, so as to align and centre the stack of panels 101 and the honeycomb or similar cardboard flat sheet 102 to the conveyor mid-plane M.
  • the folding assemblies 10 present on the two movable shoulders 4 L-bend upwards again the parts of the two protruding lateral flaps 102a of flat sheet 102 that could possibly have detached/moved away from the opposite lateral sides of the stack of panels 101, so as to arrange again the aforesaid flaps in abutment against the superjacent opposite lateral sides of the stack of panels 101.
  • the folding assemblies 26 present on the two movable shoulders 4 preferably L-bend the front end tabs 102e of the two protruding lateral flaps 102a of flat sheet 102 towards the front side of the stack of panels 101.
  • the folding assemblies 26 preferably additionally apply glue to the portions of the protruding front flap 102b of flat sheet 102 that will overlap the front end tabs 102e of the two protruding lateral flaps 102a.
  • the folding assemblies 15 present on the two movable shoulders 4 L-bend upwards the protruding front flap 102b of flat sheet 102, so as to arrange the aforesaid flap in abutment against the superjacent front side of the stack of panels 101, preferably over the front end tabs 102e of the two protruding lateral flaps 102a, thus completing the formation of the honeycomb cardboard tray underneath the stack of panels 101.
  • front end tabs 102e of the protruding lateral flap 102a could also be L-bent against the front side of the stack of panels 101 after the protruding front flap 102b, so as to overlap the latter.
  • the moving device 5 distances the movable shoulders 4 from the two opposite lateral sides of the stack of panels 101, and immediately after the linear conveyor 3 moves the stack of panels 101 inferiorly covered by the honeycomb cardboard tray beyond the outlet of longitudinal aisle 7, so that the packaging machine 1 can process a new stack of panels 101.
  • a single packaging machine 1 is capable of quickly bending the four flaps of the honeycomb or similar cardboard flat sheet, directly forming therein the entire tray of the palletized load. Accordingly, palletizing lines for wood panel packs can now use a single packaging machine 1, with the drastic reduction in costs that this entails.
  • the packaging machine can firstly form the front part and then the rear part of the honeycomb cardboard tray.
  • the linear conveyor 3 first moves the stack of panels 101 with the honeycomb or similar cardboard flat sheet 102 underneath, along the longitudinal aisle 7, up to align the front side of the stack of panels 101 with the outlet of longitudinal aisle 7, so as to allow the two folding assemblies 15 to L-bend the protruding front flap 102b of flat sheet 102, and preferably the two folding assemblies 26 to L-bend the front end tabs 102e of the two protruding lateral flaps 102a of flat sheet 102.
  • the linear conveyor 3 moves backwards the stack of panels 101 with the flat sheet 102 underneath, still along the longitudinal aisle 7, up to align the rear side of the stack of panels 101 with the inlet of longitudinal aisle 7 of packaging machine 1, so as to allow the two folding assemblies 16 to L-bend the protruding rear flap 102c of flat sheet 102, and preferably the two folding assemblies 27 to L-bend the rear end tabs 102e of the two protruding lateral flaps 102a of flat sheet 102, thus completing the honeycomb cardboard tray.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (15)

  1. Machine d'emballage (1) conçue pour plier une feuille plate de matériau protecteur (102) d'un objet (100) qui comprend : un produit à emballer (101) de forme sensiblement parallélépipédique, et une feuille plate de matériau protecteur (102) qui est placée pour recouvrir la base dudit produit à emballer (101) et fait également saillie en porte-à-faux à partir des côtés de ce même produit à emballer (101) ;
    ladite machine d'emballage comprenant : une ossature de support (2) reposant sur le sol ; un convoyeur linéaire (3) qui est situé sur l'ossature de support (2) et est conçu pour acheminer ledit objet (100) le long d'un trajet (p) sensiblement rectiligne et horizontal ; une paire d'épaulements mobiles (4) qui sont disposés l'un devant l'autre au-dessus du convoyeur linéaire (3), s'étendent parallèlement audit trajet (p) de manière à définir, au-dessus du convoyeur linéaire (3), une allée longitudinale (7), et sont mobiles horizontalement au-dessus du convoyeur linéaire (3) sensiblement perpendiculairement audit trajet (p) ; et un premier dispositif de déplacement (5) conçu pour déplacer lesdits épaulements mobiles (4) l'un vers l'autre et à l'écart l'un de l'autre ;
    ladite machine d'emballage étant caractérisée en ce que chaque épaulement mobile (4) comprend : un premier ensemble de pliage (10) qui est situé à l'intérieur de l'allée longitudinale (7) et est conçu pour plier en L le rabat latéral saillant en regard/adjacent (102a) de la feuille plate (102) vers le haut et sensiblement contre le côté latéral surjacent du produit à emballer (101) ; un deuxième ensemble de pliage (15) qui est situé à la sortie de ladite allée longitudinale (7) et est conçu pour plier en L le rabat avant saillant en regard/adjacent (102b) de la feuille plate (102) vers le haut et sensiblement contre le côté avant surjacent du produit à emballer (101) ; et un troisième ensemble de pliage (16) qui est situé à l'entrée de ladite allée longitudinale (7) et est conçu pour plier en L le rabat arrière saillant en regard/adjacent (102c) de la feuille plate (102) vers le haut et sensiblement contre le côté arrière surjacent du produit à emballer (101).
  2. Machine d'emballage selon la revendication 1, dans laquelle ledit premier ensemble de pliage (10) s'étend à l'intérieur de l'allée longitudinale (7) sensiblement sur toute la longueur de cette même allée longitudinale (7).
  3. Machine d'emballage selon la revendication 1 ou 2, dans laquelle chaque épaulement mobile (4) comprend : un cadre rigide (8) doté d'une structure sensiblement en portique, qui est fixé sur l'ossature de support (2) avec possibilité de déplacement dans une direction horizontale perpendiculaire audit trajet (p), et se dresse en porte-à-faux au-dessus du convoyeur linéaire (3) ; une poutre longitudinale (9) qui est fixée fermement sur ledit cadre rigide (8) dans une position sensiblement horizontale et au-dessus du convoyeur linéaire (3), de manière à être sensiblement parallèle audit trajet (p), et est conçue pour être disposée en butée contre le côté latéral du produit à emballer (101) de manière fixe entre les deux épaulements mobiles (4).
  4. Machine d'emballage selon la revendication 3, dans laquelle ledit premier ensemble de pliage (10) est fixé au cadre rigide (8) de l'épaulement mobile (4) en dessous de la poutre longitudinale (9) et à hauteur du plan d'acheminement du convoyeur linéaire (3), et verticalement mobile de manière à être apte à soulever et plier en L vers le haut le rabat latéral saillant en regard/adjacent (102a) de la feuille plate (102).
  5. Machine d'emballage selon l'une quelconque des revendications précédentes, dans laquelle ledit deuxième ensemble de pliage (15) est situé en dessous du plan d'acheminement du convoyeur linéaire (3), et est conçu pour faire saillie en porte-à-faux au-dessus du plan d'acheminement du convoyeur linéaire (3) de manière à être apte à soulever et plier en L vers le haut le rabat avant saillant (102b) de la feuille plate (102).
  6. Machine d'emballage selon la revendication 5, dans laquelle ledit deuxième ensemble de pliage (15) est fixé au cadre rigide (8) de l'épaulement mobile (4).
  7. Machine d'emballage selon l'une quelconque des revendications précédentes, dans laquelle ledit troisième ensemble de pliage (16) est situé en dessous du plan d'acheminement du convoyeur linéaire (3), et est conçu pour faire saillie en porte-à-faux au-dessus du plan d'acheminement du convoyeur linéaire (3) de manière à être apte à soulever et plier en L vers le haut le rabat arrière saillant (102c) de la feuille plate (102).
  8. Machine d'emballage selon la revendication 7, dans laquelle ledit troisième ensemble de pliage (16) est fixé au cadre rigide (8) de l'épaulement mobile (4).
  9. Machine d'emballage selon l'une quelconque des revendications précédentes, dans laquelle chaque épaulement mobile (4) comprend en outre : un quatrième ensemble de pliage (26) qui est situé à la sortie de l'allée longitudinale (7) et est conçu pour plier en L la languette d'extrémité avant (102e) du rabat latéral saillant en regard/adjacent (102a) de la feuille plate (102) vers le côté avant du produit à emballer (101) ; et/ou un cinquième ensemble de pliage (27) qui est situé à l'entrée de l'allée longitudinale (7) et est conçu pour plier en L la languette d'extrémité arrière (102e) du rabat latéral saillant en regard/adjacent (102a) de la feuille plate (102) vers le côté arrière du produit à emballer (101).
  10. Machine d'emballage selon la revendication 9, dans laquelle ledit quatrième ensemble de pliage (26) est en outre conçu pour coller la languette d'extrémité avant (102e) au rabat avant saillant adjacent (102b) de la feuille plate (102) ; et/ou dans laquelle ledit cinquième ensemble de pliage (27) est en outre conçu pour coller la languette d'extrémité arrière (102e) au rabat arrière saillant adjacent (102c) de la feuille plate (102).
  11. Machine d'emballage selon la revendication 9 ou 10, dans laquelle ledit quatrième (26) et/ou ledit cinquième (27) ensemble(s) de pliage est/sont fixé(s) au cadre rigide (8) de l'épaulement mobile (4).
  12. Machine d'emballage selon l'une quelconque des revendications précédentes, dans laquelle le convoyeur linéaire (3) est un convoyeur à rouleaux motorisé.
  13. Procédé de fonctionnement d'une machine d'emballage (1) qui est conçue pour plier les quatre rabats saillants (102a, 102b, 102c) d'une feuille plate de matériau protecteur (102) située en dessous d'un produit à emballer (101) de forme sensiblement parallélépipédique, qui comprend : un convoyeur linéaire (3) conçu pour acheminer la feuille plate (102) sur laquelle se trouve le produit à emballer (101), le long d'un trajet (p) sensiblement rectiligne et horizontal ; une paire d'épaulements mobiles (4) qui sont disposés l'un devant l'autre au-dessus du convoyeur linéaire (3), s'étendent parallèlement audit trajet (p) de manière à définir, au-dessus du convoyeur linéaire (3), une allée longitudinale (7), et sont mobiles horizontalement au-dessus du convoyeur linéaire (3) sensiblement perpendiculairement audit trajet (p) ; et un premier dispositif de déplacement (5) qui est conçu pour déplacer lesdits épaulements mobiles (4) l'un vers l'autre ou à l'écart l'un de l'autre ;
    le procédé de fonctionnement étant caractérisé en ce qu'il comprend les étapes:
    - d'acheminement de la feuille plate (102) sur laquelle se trouve le produit à emballer (101), le long de l'allée longitudinale (7), jusqu'à ce que le côté avant ou arrière du produit à emballer (101) soit aligné avec une première extrémité de l'allée longitudinale (7) ;
    - d'amenée des épaulements mobiles (4) en butée contre les deux côtés latéraux opposés du produit à emballer (101) ;
    - de pliage en L vers le haut des deux rabats latéraux saillants (102a) de la feuille plate (102), de manière à disposer lesdits rabats latéraux saillants (102a) sensiblement en butée contre les côtés latéraux opposés surjacents du produit à emballer (101) ;
    - de pliage en L vers le haut du rabat saillant avant (102b) ou arrière (102c) de la feuille plate (102), de manière à disposer ledit rabat saillant avant (102b) ou arrière (102c) sensiblement en butée contre le côté avant ou arrière surjacent du produit à emballer (101) ;
    - d'écartement des épaulements mobiles (4) des côtés latéraux du produit à emballer (101) puis de déplacement de la feuille plate (102) sur laquelle se trouve le produit à emballer (101), le long de l'allée longitudinale (7), jusqu'à ce que le côté arrière ou avant du produit à emballer (101) soit aligné avec une deuxième extrémité de l'allée longitudinale (7) opposée à ladite première extrémité ;
    - d'amenée à nouveau des épaulements mobiles (4) en butée contre les deux côtés latéraux opposés du produit à emballer (101) ;
    - de pliage en L vers le haut des deux rabats latéraux saillants (102a) de la feuille plate (102), de manière à ramener lesdits rabats latéraux saillants (102a) sensiblement en butée contre les côtés latéraux opposés surjacents du produit à emballer (101) ;
    - de pliage en L vers le haut du rabat saillant arrière (102c) ou avant (102b) restant de la feuille plate (102), de manière à disposer ledit rabat saillant arrière (102c) ou avant (102b) sensiblement en butée contre le côté avant ou arrière surjacent du produit à emballer (101), en formant ainsi un plateau ;
    - d'écartement des épaulements mobiles (4) des côtés latéraux du produit à emballer (101) puis de déplacement, au-delà de la sortie de l'allée longitudinale (7), de la feuille plate (102) pliée en plateau et sur laquelle se trouve le produit à emballer (101).
  14. Procédé de fonctionnement d'une machine d'emballage selon la revendication 13, le procédé comportant en outre, après l'étape de pliage en L vers le haut des deux rabats latéraux saillants (102a) de la feuille plate (102), l'étape de pliage en L des languettes d'extrémité avant (102e) des deux rabats latéraux saillants (102a) de la feuille plate (102) vers le côté avant du produit à emballer (101), le collage de ces mêmes languettes d'extrémité avant (102e) sur le rabat avant saillant (102b) de la feuille plate (102) ; et l'étape de pliage en L des languettes d'extrémité arrière (102e) des deux rabats latéraux saillants (102a) de la feuille plate (102) vers le côté arrière du produit à emballer (101), le collage de ces mêmes languettes d'extrémité arrière (102e) sur le rabat arrière saillant (102b) de la feuille plate (102) .
  15. Procédé de fonctionnement d'une machine d'emballage selon la revendication 13 ou 14, dans lequel la feuille plate (102) sur laquelle se trouve le produit à emballer (101) est tout d'abord acheminée le long de l'allée longitudinale (7) jusqu'à ce que le côté arrière du produit à emballer (101) soit aligné avec l'entrée de l'allée longitudinale (7), puis est acheminée le long de l'allée longitudinale (7) jusqu'à ce que le côté avant du produit à emballer (101) soit aligné avec la sortie de l'allée longitudinale (7).
EP19158941.5A 2018-02-22 2019-02-22 Machine d'emballage et procédé de fonctionnement associé Not-in-force EP3530578B1 (fr)

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IT102018000002950A IT201800002950A1 (it) 2018-02-22 2018-02-22 Macchina imballatrice e relativo metodo di funzionamento

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CN111017347B (zh) * 2019-12-27 2021-05-07 上海欧冶化工宝电子商务有限公司 一种电子商务产品物流发送包装辅助系统

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ES2414179T3 (es) * 2008-11-27 2013-07-18 Sacmi Cooperativa Meccanici Imola Societa' Cooperativa Aparato de envasado
CN201415767Y (zh) * 2009-02-13 2010-03-03 广东一鼎科技有限公司 墙地砖自动装箱生产线的纸箱成形机构
CN201647154U (zh) * 2010-03-04 2010-11-24 进益机械有限公司 纸板折叠包装成型机具
CN102530318B (zh) * 2011-12-31 2013-12-11 广东摩德娜科技股份有限公司 一种陶瓷砖打包系统的纸箱自动折边机
WO2016055876A1 (fr) * 2014-10-08 2016-04-14 Bema S.R.L. Groupe d'emballage et de saisie pour articles plats, et procédé respectif
ITUB20161231A1 (it) * 2016-03-02 2017-09-02 System Spa Macchina confezionatrice perfezionata

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