EP2835237B1 - Machine to process wood panels or the like - Google Patents

Machine to process wood panels or the like Download PDF

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Publication number
EP2835237B1
EP2835237B1 EP14179985.8A EP14179985A EP2835237B1 EP 2835237 B1 EP2835237 B1 EP 2835237B1 EP 14179985 A EP14179985 A EP 14179985A EP 2835237 B1 EP2835237 B1 EP 2835237B1
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EP
European Patent Office
Prior art keywords
base
roller
machine according
panel
itself
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Active
Application number
EP14179985.8A
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German (de)
French (fr)
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EP2835237B2 (en
EP2835237A1 (en
Inventor
Paolo Bernardi
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Biesse SpA
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Biesse SpA
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Publication of EP2835237B1 publication Critical patent/EP2835237B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
    • B27D5/003—Other working of veneer or plywood specially adapted to veneer or plywood securing a veneer strip to a panel edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
    • B27D5/006—Trimming, chamfering or bevelling edgings, e.g. lists

Definitions

  • the present invention relates to a machine to process wood panels or the like, according to the preamble of claim 1.
  • a machine to process wood panels is known from DE202009016509U1 . It is known in the field of processing wood panels to provide a machine of the type comprising an elongated base provided with two guide members, which are parallel to a first substantially horizontal direction; a plurality of crosspieces mounted between the guide members, which are parallel to a second substantially horizontal direction and transverse to the first direction; at least one support block mounted on each crosspiece to lock at least one panel; and an overhead crane, which is mobile along the base in the first direction and extends above the base in the second direction.
  • the overhead crane supports an operating head suited to carry out a chipping machining of the panel, and an edgebanding assembly suited to edgeband a lateral edge of the panel with a finishing band.
  • the edgebanding assembly mounted on the overhead crane comprises a tank to contain glue, a glueing roller to apply glue onto the lateral edge and/or onto the finishing band, and a pressing roller to press the finishing band against the lateral edge itself.
  • numeral 1 indicates, as a whole, a machine to process substantially flat wood panels 2 or the like, each of which is limited by two larger faces 3, which are parallel to each other, and by an annular lateral edge 4 which is substantially perpendicular to the faces 3 themselves.
  • Machine 1 comprises an elongated base 5, which extends in a horizontal direction 6, is substantially U-shaped, and has two lateral guide members 7 which are parallel to direction 6 itself.
  • Base 5 supports a plurality of crosspieces 8, which hereinafter are indicated with the term “work surfaces”, and extend between the members 7 in a horizontal direction 9, which is transverse to direction 6, and are slidingly coupled to the members 7 to be moved, manually or by means of respective known operating devices (not shown), along the members 7 themselves in direction 6.
  • the work surfaces 8 support a plurality of support blocks 10, the arrangement of which on the relative work surfaces 8 substantially depending on the size of the panels 2 to be processed and on the processing to be carried out on the panels 2 themselves.
  • Each block 10 is mobile along the relative work surface 8 in direction 9, is coplanar to the other blocks 10 to define a support surface P for at least one panel 2, and is connected, in the case in point, with a pneumatic suction device suited to lock panel 2 on surface P itself.
  • Base 5 also supports an overhead crane 11 comprising a vertical upright 12, which is coupled in a known manner to base 5 to carry out, along base 5 itself and under the thrust of a known operating device (not shown), straight movements in direction 6, and carries, connected to a free end thereof, a crosspiece 13 which extends above base 5 in direction 9.
  • an overhead crane 11 comprising a vertical upright 12, which is coupled in a known manner to base 5 to carry out, along base 5 itself and under the thrust of a known operating device (not shown), straight movements in direction 6, and carries, connected to a free end thereof, a crosspiece 13 which extends above base 5 in direction 9.
  • the overhead crane 11 supports a known operating head 14, which is suited to carry out processing to remove chipping of panel 2.
  • Head 14 is mounted on a first lateral face 13a of crosspiece 13, and is coupled in a known manner to crosspiece 13 to carry out, with respect to crosspiece 13 itself, straight movements in direction 9 and in a vertical direction 15, which is orthogonal to the directions 6 and 9 and to surface P.
  • the overhead crane 11 also supports an edgebanding assembly 16 suited to edgeband the lateral edge 4 of the panels 2 with a finishing band 17.
  • Band 17 is separated from a strip (not shown), which is housed in a magazine 18 mounted on upright 12 of the overhead crane 11, and is fed to assembly 16 by means of a plurality of unwinding rollers 19.
  • Assembly 16 is mounted on a second lateral face 13b of crosspiece 13, opposite to face 13a, and comprises a horizontal slide 20, which is coupled in a known manner to crosspiece 13 to carry out straight movements along crosspiece 13 itself in direction 9.
  • Assembly 16 also comprises a vertical slide 21, which is mounted on slide 20, and is coupled in a known manner to slide 20 to carry out, with respect to slide 20 itself and under the thrust of a known operating device (not shown), straight movements in direction 15.
  • slide 21 supports a glueing roller 22, which is mounted to rotate around a longitudinal axis 23 thereof, which is parallel to direction 15, and is suited to transfer onto edge 4, the glue picked from a containment tank 24, which is also secured to slide 21.
  • Roller 22 and tank 24 are also mounted to rotate, with respect to slide 21 and under the thrust of a first operating device (not shown), around a rotation axis 25, which is parallel to, and distinct from, the mentioned axis 23 so as to allow roller 22 to always remain in contact with edge 4.
  • Slide 21 also supports a pressing roller 26, which is mounted to rotate around a longitudinal axis 27 thereof, which is parallel to direction 15, and is mounted at the rear of roller 22 to press band 17 against edge 4.
  • Roller 26 is coupled to slide 21 by means of the interposition of a pneumatic damper (not shown), and is also rotatingly coupled to slide 21 to rotate, with respect to slide 21 itself, around axis 25.
  • a pneumatic damper not shown
  • roller 26 By combining the rotation of roller 26 around axis 25 with the action of the mentioned pneumatic damper (not shown), roller 26 is always kept in contact with edge 4 with the interposition of band 17.
  • Roller 26 is moved around axis 25 under the thrust of a second operating device (not shown), which is independent from the operating device (not shown) of roller 22. Accordingly, the glueing roller 22 and the pressing roller 26 are mounted to rotate around axis 25 with respective laws of motion that are independent from one another so as to be kept in proper contact with edge 4.
  • slide 21 supports a feeding device 28 configured to feed a hot gas onto edge 4, hot air in the case in point, preferably but not necessarily hot air under pressure.
  • Device 28 comprises a manifold 29, which extends in direction 15, is fitted to slide 21, and is provided with an outlet duct 30, which is fitted to manifold 29, is made of flexible material, and has an end portion 31, which is substantially parallel to direction 15 itself.
  • Portion 31 is arranged between roller 22 and roller 26, has a longitudinal axis 32, which is parallel to, and distinct from, mentioned axis 25, and is mobile, with respect to slide 21, around axis 25.
  • portion 31 is mobile around axis 25 under the thrust of the operating device of roller 22 around axis 25 itself.
  • Machine 1 further comprises an electronic control unit 33, which is configured to selectively control the operation of the glueing roller 22 and of the feeding device 28 so that the action of the glueing roller 22 is alternative or auxiliary to the action of the feeding device 28.
  • an electronic control unit 33 which is configured to selectively control the operation of the glueing roller 22 and of the feeding device 28 so that the action of the glueing roller 22 is alternative or auxiliary to the action of the feeding device 28.
  • assembly 16 By combining the movements, in use, of the overhead crane 11 in direction 6 with the movements of the edgebanding assembly 16 in the directions 9 and 15 and with the movements of the glueing roller 22, the pressing roller 26, and the outlet duct 30 around axis 25, assembly 16 allows the finishing band 17 to be properly applied both at portions of edge 4 arranged according to a 90° angle from each other, and at shaped portions of edge 4 itself.
  • Machine 1 has certain advantages, mainly originating from the fact that the edgebanding assembly 16 is provided both with the glueing roller 22 and the containment tank 24, and with the feeding device 28 and therefore allows edgebanding with glue and/or hot air to be selectively carried out.
  • machine 1 is shaped to feed the panels 2 in one of the directions 6, 9 and the operating head 14 and the edgebanding assembly 16 in the other direction 6, 9.
  • the glueing roller 22, the pressing roller 26 and the outlet duct 30 are mounted to rotate around axis 25.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Description

  • The present invention relates to a machine to process wood panels or the like, according to the preamble of claim 1. Such a machine to process wood panels is known from DE202009016509U1 . It is known in the field of processing wood panels to provide a machine of the type comprising an elongated base provided with two guide members, which are parallel to a first substantially horizontal direction; a plurality of crosspieces mounted between the guide members, which are parallel to a second substantially horizontal direction and transverse to the first direction; at least one support block mounted on each crosspiece to lock at least one panel; and an overhead crane, which is mobile along the base in the first direction and extends above the base in the second direction.
  • The overhead crane supports an operating head suited to carry out a chipping machining of the panel, and an edgebanding assembly suited to edgeband a lateral edge of the panel with a finishing band.
  • Generally, the edgebanding assembly mounted on the overhead crane comprises a tank to contain glue, a glueing roller to apply glue onto the lateral edge and/or onto the finishing band, and a pressing roller to press the finishing band against the lateral edge itself.
  • The above-described type of known machines to process wood panels or the like have certain drawbacks, mainly due to the fact that the edgebanding of the panels is to be carried out by necessarily using glue and therefore, is not suited to be used with special types of finishing bands which, in order to be connected to the lateral edge of the panel, do not provide using glue and only require being heated and partially melted.
  • It is the object of the present invention to provide a machine to process wood panels or the like, which is exempt from the above-described drawbacks and is simple and cost-effective to implement.
  • According to the present invention, there is provided a machine to process wood panels or the like, as claimed in the appended claims.
  • The present invention will now be described with reference to the accompanying drawings, which illustrate a non-limiting embodiment thereof, in which:
    • figure 1 is a perspective diagrammatic view, with enlarged parts and with parts removed for clarity, of a preferred embodiment of the machine of the present invention; and
    • figure 2 is a diagrammatic plan view with parts removed for clarity, of a detail of the machine in figure 1 shown in two different operating positions.
  • With reference to figure 1, numeral 1 indicates, as a whole, a machine to process substantially flat wood panels 2 or the like, each of which is limited by two larger faces 3, which are parallel to each other, and by an annular lateral edge 4 which is substantially perpendicular to the faces 3 themselves.
  • Machine 1 comprises an elongated base 5, which extends in a horizontal direction 6, is substantially U-shaped, and has two lateral guide members 7 which are parallel to direction 6 itself.
  • Base 5 supports a plurality of crosspieces 8, which hereinafter are indicated with the term "work surfaces", and extend between the members 7 in a horizontal direction 9, which is transverse to direction 6, and are slidingly coupled to the members 7 to be moved, manually or by means of respective known operating devices (not shown), along the members 7 themselves in direction 6.
  • The work surfaces 8 support a plurality of support blocks 10, the arrangement of which on the relative work surfaces 8 substantially depending on the size of the panels 2 to be processed and on the processing to be carried out on the panels 2 themselves.
  • Each block 10 is mobile along the relative work surface 8 in direction 9, is coplanar to the other blocks 10 to define a support surface P for at least one panel 2, and is connected, in the case in point, with a pneumatic suction device suited to lock panel 2 on surface P itself.
  • Base 5 also supports an overhead crane 11 comprising a vertical upright 12, which is coupled in a known manner to base 5 to carry out, along base 5 itself and under the thrust of a known operating device (not shown), straight movements in direction 6, and carries, connected to a free end thereof, a crosspiece 13 which extends above base 5 in direction 9.
  • The overhead crane 11 supports a known operating head 14, which is suited to carry out processing to remove chipping of panel 2.
  • Head 14 is mounted on a first lateral face 13a of crosspiece 13, and is coupled in a known manner to crosspiece 13 to carry out, with respect to crosspiece 13 itself, straight movements in direction 9 and in a vertical direction 15, which is orthogonal to the directions 6 and 9 and to surface P.
  • The overhead crane 11 also supports an edgebanding assembly 16 suited to edgeband the lateral edge 4 of the panels 2 with a finishing band 17.
  • Band 17 is separated from a strip (not shown), which is housed in a magazine 18 mounted on upright 12 of the overhead crane 11, and is fed to assembly 16 by means of a plurality of unwinding rollers 19.
  • Assembly 16 is mounted on a second lateral face 13b of crosspiece 13, opposite to face 13a, and comprises a horizontal slide 20, which is coupled in a known manner to crosspiece 13 to carry out straight movements along crosspiece 13 itself in direction 9.
  • Assembly 16 also comprises a vertical slide 21, which is mounted on slide 20, and is coupled in a known manner to slide 20 to carry out, with respect to slide 20 itself and under the thrust of a known operating device (not shown), straight movements in direction 15.
  • As shown in figures 1 and 2, slide 21 supports a glueing roller 22, which is mounted to rotate around a longitudinal axis 23 thereof, which is parallel to direction 15, and is suited to transfer onto edge 4, the glue picked from a containment tank 24, which is also secured to slide 21.
  • Roller 22 and tank 24 are also mounted to rotate, with respect to slide 21 and under the thrust of a first operating device (not shown), around a rotation axis 25, which is parallel to, and distinct from, the mentioned axis 23 so as to allow roller 22 to always remain in contact with edge 4.
  • Slide 21 also supports a pressing roller 26, which is mounted to rotate around a longitudinal axis 27 thereof, which is parallel to direction 15, and is mounted at the rear of roller 22 to press band 17 against edge 4.
  • Roller 26 is coupled to slide 21 by means of the interposition of a pneumatic damper (not shown), and is also rotatingly coupled to slide 21 to rotate, with respect to slide 21 itself, around axis 25.
  • By combining the rotation of roller 26 around axis 25 with the action of the mentioned pneumatic damper (not shown), roller 26 is always kept in contact with edge 4 with the interposition of band 17.
  • Roller 26 is moved around axis 25 under the thrust of a second operating device (not shown), which is independent from the operating device (not shown) of roller 22. Accordingly, the glueing roller 22 and the pressing roller 26 are mounted to rotate around axis 25 with respective laws of motion that are independent from one another so as to be kept in proper contact with edge 4. According to the invention, slide 21 supports a feeding device 28 configured to feed a hot gas onto edge 4, hot air in the case in point, preferably but not necessarily hot air under pressure.
  • Device 28 comprises a manifold 29, which extends in direction 15, is fitted to slide 21, and is provided with an outlet duct 30, which is fitted to manifold 29, is made of flexible material, and has an end portion 31, which is substantially parallel to direction 15 itself.
  • Portion 31 is arranged between roller 22 and roller 26, has a longitudinal axis 32, which is parallel to, and distinct from, mentioned axis 25, and is mobile, with respect to slide 21, around axis 25.
  • In the case in point, portion 31 is mobile around axis 25 under the thrust of the operating device of roller 22 around axis 25 itself.
  • Machine 1 further comprises an electronic control unit 33, which is configured to selectively control the operation of the glueing roller 22 and of the feeding device 28 so that the action of the glueing roller 22 is alternative or auxiliary to the action of the feeding device 28.
  • By combining the movements, in use, of the overhead crane 11 in direction 6 with the movements of the edgebanding assembly 16 in the directions 9 and 15 and with the movements of the glueing roller 22, the pressing roller 26, and the outlet duct 30 around axis 25, assembly 16 allows the finishing band 17 to be properly applied both at portions of edge 4 arranged according to a 90° angle from each other, and at shaped portions of edge 4 itself.
  • Machine 1 has certain advantages, mainly originating from the fact that the edgebanding assembly 16 is provided both with the glueing roller 22 and the containment tank 24, and with the feeding device 28 and therefore allows edgebanding with glue and/or hot air to be selectively carried out.
  • According to a further variant not shown, machine 1 is shaped to feed the panels 2 in one of the directions 6, 9 and the operating head 14 and the edgebanding assembly 16 in the other direction 6, 9. In this case the glueing roller 22, the pressing roller 26 and the outlet duct 30 are mounted to rotate around axis 25.

Claims (7)

  1. A machine to process wood panels (2) or the like comprising a base (5); a locking device (10) to hold at least one panel (2) on the base (5); an edgebanding assembly (16) to edgeband a lateral edge (4) of the panel (2) with a finishing band (17), the edgebanding assembly (16) comprising, in turn, a glueing roller (22) to apply glue onto the lateral edge (4) and/or onto the finishing band (17), a pressing roller (26) to press the finishing band (17) against the lateral edge (4) itself, and a heating device (28) to heat the finishing band (17) and allow it to be connected to the lateral edge (4); actuating means (11) to move the locking device (10) and the edgebanding assembly (16) relative to one another in two directions (6, 9), which are substantially horizontal and transverse to one another; a first operating device to move the glueing roller (22) around a first rotation axis (25), which is perpendicular to a support surface (P) supporting the panel (2), and is parallel to and distinct from a longitudinal axis (23) of the glueing roller (22) itself; and characterized in that the heating device (28) is configured so as to feed a hot gas, in particular a hot gas under pressure, onto the finishing band (17) and comprises a hot gas outlet duct (31), which faces the finishing band (17) and is mobile around the first rotation axis, which is parallel to and distinct from a longitudinal axis (32) of the outlet duct (31) itself.
  2. A machine according to claim 1 and comprising, furthermore, a second operating device to move the pressing roller (26) around a second rotation axis, which is perpendicular to a support surface (P) supporting the panel (2), and is parallel to and distinct from a longitudinal axis (27) of the pressing roller (26) itself.
  3. A machine according to claim 2, wherein said first (25) and second rotation axes (25) coincide with one another.
  4. A machine according to claim 2, wherein said first and second operating devices are configured so as to move said glueing and pressing rollers (22, 26) around the relative first and second rotation axis with respective laws of motion that are independent from one another.
  5. A machine according to any of the previous claims, wherein the outlet duct (31) is mobile around the first rotation axis (25) under the thrust of the first operating device.
  6. A machine according to any of the previous claims, wherein the base (5) is an elongated base extending in a first said direction (6); the machine comprising, furthermore, an overhead crane (11), which is mobile along the base (5) in the first direction (6), extends above the base (5) in a second said direction (9), and supports an operating head (14), which is suited to carry out a chipping machining of the panel (2).
  7. A machine according to claim 6, wherein the operating head (14) and the edgebanding assembly (16) are mobile along the overhead crane (11) in the second direction (9).
EP14179985.8A 2013-08-06 2014-08-06 Machine to process wood panels or the like Active EP2835237B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000445A ITBO20130445A1 (en) 2013-08-06 2013-08-06 MACHINE FOR PROCESSING WOODEN PANELS OR THE LIKE

Publications (3)

Publication Number Publication Date
EP2835237A1 EP2835237A1 (en) 2015-02-11
EP2835237B1 true EP2835237B1 (en) 2018-04-18
EP2835237B2 EP2835237B2 (en) 2024-01-03

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ID=49486525

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EP14179985.8A Active EP2835237B2 (en) 2013-08-06 2014-08-06 Machine to process wood panels or the like

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EP (1) EP2835237B2 (en)
IT (1) ITBO20130445A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600108445A1 (en) * 2016-10-27 2018-04-27 Biesse Spa MACHINE FOR WORKING AND EDGING WOODEN OR SIMILAR PANELS
IT201800003189A1 (en) * 2018-03-01 2019-09-01 Biesse Spa MACHINE FOR PROCESSING WOODEN PANELS OR SIMILAR

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3914461A1 (en) 1989-05-02 1990-11-08 Klessmann Ima Norte Maschfab Gluing edging material on panel products - involves machine which can work round 360 degree curves
WO1997005993A1 (en) 1995-08-04 1997-02-20 Bortolini Engineering S.N.C. Flanging and trimming machine of panels
WO2002014033A1 (en) * 2000-08-18 2002-02-21 O'connell, Gregory, John An edge modification apparatus
DE10124695A1 (en) 2001-05-18 2002-11-28 Klessmann Ima Gmbh Holzbearbei Tool for applying edge strips to surfaces and boards can be fitted with different diameter pressure rollers and has the adhesive roller and feed roller mounted on an adjustable frame to ensure a straight feed of edge strip

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2523215C2 (en) * 1975-05-26 1985-03-07 Reich Spezialmaschinen GmbH, 7440 Nürtingen Edge banding machine for gluing an edge band
IT1299931B1 (en) * 1998-03-24 2000-04-04 Scm Group Autec Division Spa PANEL EDGEING DEVICE.
DE10246775A1 (en) * 2002-10-07 2004-04-15 Basf Ag Wood components, are joined together by warming them in an electromagnetic field and then applying adhesive
ITMO20050268A1 (en) * 2005-10-18 2007-04-19 Scm Group Spa MACHINE FOR WORKING WOOD ELEMENTS
DE202009019008U1 (en) * 2009-04-22 2015-05-27 Homag Holzbearbeitungssysteme Gmbh Device for coating workpieces
DE202009016509U1 (en) * 2009-12-04 2011-04-14 Homag Holzbearbeitungssysteme Ag 5-axis machining center with gluing unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3914461A1 (en) 1989-05-02 1990-11-08 Klessmann Ima Norte Maschfab Gluing edging material on panel products - involves machine which can work round 360 degree curves
WO1997005993A1 (en) 1995-08-04 1997-02-20 Bortolini Engineering S.N.C. Flanging and trimming machine of panels
WO2002014033A1 (en) * 2000-08-18 2002-02-21 O'connell, Gregory, John An edge modification apparatus
DE10124695A1 (en) 2001-05-18 2002-11-28 Klessmann Ima Gmbh Holzbearbei Tool for applying edge strips to surfaces and boards can be fitted with different diameter pressure rollers and has the adhesive roller and feed roller mounted on an adjustable frame to ensure a straight feed of edge strip

Also Published As

Publication number Publication date
EP2835237B2 (en) 2024-01-03
ITBO20130445A1 (en) 2015-02-07
EP2835237A1 (en) 2015-02-11

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