EP1990163A2 - Verfahren und Maschinezur Herstellung eines kastenförmigen Teils aus Holz oder holzartigem Material - Google Patents

Verfahren und Maschinezur Herstellung eines kastenförmigen Teils aus Holz oder holzartigem Material Download PDF

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Publication number
EP1990163A2
EP1990163A2 EP08155841A EP08155841A EP1990163A2 EP 1990163 A2 EP1990163 A2 EP 1990163A2 EP 08155841 A EP08155841 A EP 08155841A EP 08155841 A EP08155841 A EP 08155841A EP 1990163 A2 EP1990163 A2 EP 1990163A2
Authority
EP
European Patent Office
Prior art keywords
cutting
components
coating
layer
panel
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.)
Withdrawn
Application number
EP08155841A
Other languages
English (en)
French (fr)
Other versions
EP1990163A3 (de
Inventor
Giuseppe Pritelli
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.)
ISP Systems SRL
Original Assignee
ISP Systems SRL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ISP Systems SRL filed Critical ISP Systems SRL
Publication of EP1990163A2 publication Critical patent/EP1990163A2/de
Publication of EP1990163A3 publication Critical patent/EP1990163A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
    • B27F1/00—Dovetailed work; Tenons; Making tongues or grooves; Groove- and- tongue jointed work; Finger- joints
    • B27F1/005—Machines or devices for working mitre joints with uneven ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G5/00—Machines or devices for working mitre joints with even abutting ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/18—Manufacture or reconditioning of specific semi-finished or finished articles of furniture or of doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/34—Manufacture or reconditioning of specific semi-finished or finished articles of cases, trunks, or boxes, of wood or equivalent material which cannot satisfactorily be bent without softening ; Manufacture of cleats therefor

Definitions

  • the present invention relates to a method for producing box-shaped elements made of wood or a similar material.
  • the present invention relates to a method for producing a tubular box-shaped element of the type comprising four substantially flat components made of wood or a similar material arranged two by two perpendicularly, and an outer layer of coating arranged around said components.
  • the inside of the box-shaped element is also suitable to receive a filling material to be used, for example, as the supporting leg of a piece of furniture.
  • the box-shaped element is obtained starting from a flat panel limited by two bigger lateral faces parallel to one another, of which the lower face is provided with said layer of coating.
  • the panel is cut longitudinally starting from the upper bigger lateral face so as to leave the layer of coating intact and produce the four components, each of which is limited laterally by two flat lateral faces inclined at an angle of 45°, and is folded at an angle of 90° with respect to the two adjacent components so as to produce the box-shaped element.
  • the known method of the type described above has some drawbacks which mainly derive from the fact that the box-shaped element produced using this method has four outside corners of 90°, which cannot be chamfered due to the presence of the layer of coating.
  • the four components are obtained by cutting a flat panel longitudinally so that each component has two respective flat lateral faces inclined at an angle of 45°, and is folded at an angle of 90° with respect to the other.
  • the box-shaped element is then finished first by chamfering its outer corners and then by applying said layer of coating.
  • the known method of the type described above has some drawbacks mainly deriving from the fact that the application of the layer of coating on the tubular box-shaped element involves the use of relatively complex and expensive equipment and relatively long operating cycles.
  • the present invention also relates to a machine for producing box-shaped elements made of wood or a similar material.
  • number 1 is used to indicate, as a whole, a machine for producing box-shaped elements 2 made of wood or a similar material, each of which, in this case, is tubular in shape, comprises four substantially flat components 3 arranged two by two perpendicularly, has four rounded outside corners, is coated with a layer 4 of coating arranged around its outer surface, and is filled with a filling material 5 to produce, for example, a leg 6 to support a piece of furniture (not illustrated).
  • the number and arrangement of the components 3 of a box-shaped element 2 may of course differ from those described above.
  • the machine 1 comprises an elongated base 7, which extends in an substantially horizontal direction 8, defines a plane P for supporting at least one panel 9 of wood or a similar material ( figures 2 and 3 ), and supports a feed unit 10 of a known type suitable to feed panels 9 in sequence along the plane P in the direction 8.
  • the panels 9 are fed "flat" by the feed unit 10, that is to say with the two biggest lateral faces 11 arranged horizontally, into an operating unit 12 comprising a frame 13, which is connected to the base 7, defines a supporting surface that is substantially in the same plane as the plane P, and supports a cutting device 14 provided with an upper cutting element 15 and a lower cutting element 16 which are offset in relation to one another in the direction 8.
  • the element 15 comprises a supporting shaft 17, which extends above the plane P, has a longitudinal axis 18 that is parallel to a horizontal direction 19 transversal to the direction 8, is rotatingly coupled to the frame 13 to rotate, with respect to the frame 13 and under the action of a drive device of a type that is known and which is not illustrated, about the axis 18, and supports a plurality of circular cutting blades 20 (in this case nine blades 20, only one of which is illustrated in figures 1 and 2 ), which are mounted on the shaft coaxially to the axis 18, and are evenly distributed along the shaft 17 in the direction 19.
  • the element 16 comprises a supporting shaft 21, which extends below the plane P, has a longitudinal axis 22 that is parallel to the direction 19, is rotatingly coupled to the frame 13 to rotate, with respect to the frame 13 and under the action of a drive device of a known type which is not illustrated, about the axis 22, and supports a plurality of circular cutting blades 23 (only one of which is illustrated in figures 1 and 2 ), which are equal in number to the number of the blades 20, are mounted on the shaft 21 coaxially to the axis 22, are evenly distributed along the shaft 21 in the direction 19 and each of which is in the same plane as a relative blade 20.
  • the panel 9 is cut by the cutting device 14 into eight shaped components 3, each of which extends in the direction 8, is limited by a flat upper face 24 and by a flat lower face 25 parallel to one another and perpendicular to a direction 26 that is orthogonal to the directions 8 and 19, and is also limited by two lateral faces 27, each of which comprises a flat upper portion 28 arranged at an angle of 45° with respect to the plane P and a curved lower portion joined to the face 25.
  • each pair of adjacent components 3 are separated from one another by a cutting groove 30, which extends in the direction 8, is laterally limited by the lateral faces 27 of said components 3, and comprises a downwardly converging upper portion and an upwardly converging lower portion.
  • a guide device 31 comprising a substantially flat plate 32, which is fixed to the frame 13 above and parallel to the plane P, and is provided with a plurality of slits 33, which are obtained through the plate 32 in the direction 26, are equal in number to the number of the blades 20, and each of which is engaged by a relative blade 20.
  • the plate 32 is also provided with a plurality of elongated guides 34 which are parallel to one another and extend in the direction 8, project downwards from the plate 32 in the direction 26, are equal in number to the number of the blades 20, each one being aligned with a relative blade 20 in the direction 8, and which extend downstream of the relative blade 20 in said direction 8.
  • Each guide 34 substantially has the shape of the cutting edge of a blade 20, and, thus, of the upper portion of a groove 30, engages a relative groove 30 or the lateral face 27 of a relative end component 3, and defines, with each adjacent guide 34, a feed channel C for a relative component 3.
  • the panel 9 and the components 3 are fed through the operating unit 12 by a conveyor belt device 35 mounted above the plane P and comprising a plurality of belts 36 which are parallel to one another, are equal in number to the number of the components 3, are arranged in a loop about a plurality of pulleys 37 rotatingly coupled to the frame 13 to rotate, with respect to the frame 13 and under the action of a drive device of a type that is known and which is not illustrated, about respective longitudinal axes 38 parallel to the direction 19, and each of which has a respective lower substantially horizontal conveyor branch, which extends between two adjacent guides 34 to engage first the upper face 11 of the panel 9 and then the upper face 24 of a relative component 3.
  • a conveyor belt device 35 mounted above the plane P and comprising a plurality of belts 36 which are parallel to one another, are equal in number to the number of the components 3, are arranged in a loop about a plurality of pulleys 37 rotatingly coupled to the frame 13 to rotate, with respect to the frame 13 and under the action of a drive device of
  • One of the pulleys 37 (hereinafter indicated as 37a) is movable between a raised operating position ( figures 1 and 2 ), and a lowered rest position (not illustrated), in which the belts 36 can easily be disengaged from the pulleys 37, under the action of a rocker arm 39, which is provided with a first arm suitable to support the pulley 37a, and is hinged to the frame 13 to swing, with respect to the frame 13 and under the action of an actuating cylinder 40 connected to a second arm of the rocker arm 39, about a fulcrum axis 41 parallel to the direction 19.
  • the unit 12 also comprises an applicator device 42, which is suitable to coat the lower faces 25 of the components 3 with the layer 4 of coating, and is arranged at a distance from the cutting device 14 that is less than a length of the panel 9 measured parallel to the direction 8.
  • the device 42 is fed with a tape 43, the width of which, measured parallel to the direction 19, as an approximation by excess, is the width of a panel 9 also measured parallel to the direction 19, is unwound from a reel 44 arranged in a supporting mount 45, and is fed by a feed device 46 of a known type along a path 47 extending at least partially beneath the base 7 and the plane P.
  • the mount 45 and the operating unit 12 are arranged on opposite sides of the feed unit 10 in the direction 8 so that the reels 44 can be replaced relatively easily by machine operators.
  • the device 42 comprises a lower applicator roll 48, which is suitable to pay-off the tape 43 from the reel 44, cooperates with a gumming unit 49 of the tape 43, extends across the plane P to transfer the tape 43 onto the lower faces 25 of the components 3, and also cooperates with a plurality of upper pressure rollers 50 (only one of which is illustrated in figures 1 and 2 ), which are keyed to a supporting shaft 51 mounted on the frame 13 to rotate, with respect to the frame 13, about a longitudinal axis 52 parallel to the direction 19, extend through respective slits 53 obtained through the plate 32 in the direction 26, and are mounted two by two on opposite sides of the guides 34 and of the belts 36 in said direction 19.
  • the device 42 also comprises a cutting roller 54, which is rotatingly mounted on the frame 13 to rotate, with respect to the frame 13 and under the action of a drive device of a type that is known and is not illustrated, about a longitudinal axis 55 parallel to the direction 19, and transversely engages the tape 43 to separate in sequence the strips of coating 56 ( figure 8a ), each of which has, in this case, a surface that is substantially equal to the surface of two layers 4.
  • the machine 1 also comprises a cutting and folding device (not illustrated) suitable to:
  • each box-shaped element 4 is produced in a forming unit (of a type that is known and is not illustrated) arranged at the outfeed of the operating unit 12 to gum the flat upper portions 28 of the lateral faces 27, fold the components 3 two by two at an angle of 90° with the portions 28 in contact with one another, and allow the free portions 57 of the layer 4 to adhere perfectly to the relative curved lower portions 29.
  • a forming unit of a type that is known and is not illustrated
  • the operating unit 12 also comprises a cleaning device to remove any shavings and edge trimmings produced during the cutting of the panel 9 from the cutting grooves 30.
  • the machine 1 can thus be used to produce a box-shaped element 2 with rounded outside corners and provided with a layer 4 of coating in a relatively simple and inexpensive manner, by exploiting the simplicity of applying the layer 4 of coating in a flat configuration.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Wire Processing (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
EP08155841A 2007-05-08 2008-05-07 Verfahren und Maschinezur Herstellung eines kastenförmigen Teils aus Holz oder holzartigem Material Withdrawn EP1990163A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO20070334 ITBO20070334A1 (it) 2007-05-08 2007-05-08 Metodo e macchina per la realizzazione di corpi scatolati di legno o simili

Publications (2)

Publication Number Publication Date
EP1990163A2 true EP1990163A2 (de) 2008-11-12
EP1990163A3 EP1990163A3 (de) 2012-08-08

Family

ID=39639506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08155841A Withdrawn EP1990163A3 (de) 2007-05-08 2008-05-07 Verfahren und Maschinezur Herstellung eines kastenförmigen Teils aus Holz oder holzartigem Material

Country Status (2)

Country Link
EP (1) EP1990163A3 (de)
IT (1) ITBO20070334A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2453427C1 (ru) * 2010-12-24 2012-06-20 Государственное образовательное учреждение высшего профессионального образования "Южно-Российский государственный технический университет (Новочеркасский политехнический институт)" Автоматическая линия сборки каркасных деревянных панелей

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE429131A (de) *
US2252539A (en) * 1938-07-13 1941-08-12 Celotex Corp Method of making corner members
US2566151A (en) * 1948-06-15 1951-08-28 Bird & Son Process for fdge-coating and bending sheet material
DE2052111A1 (de) * 1970-10-23 1972-04-27 Licentia Gmbh Verfahren zur Herstellung eines Ge hauses fur Horrundfunk oder Fernseh empfänger oder dergleichen
DE7408728U (de) * 1974-10-17 Lehbrink W Vorrichtung zum Aufkleben von Folie auf blatt- oder plattenförmige Werkstücke
DE2321088A1 (de) * 1973-04-26 1974-11-14 Lehbrink Fa Wilhelm Maschine zum herstellen von korpusteilen nach dem faltsystem
DE2544624A1 (de) * 1975-10-06 1977-04-07 Rudolph Richter & Co Verfahren zur herstellung einer rundecke in einer platte
FR2323529A1 (fr) * 1974-01-11 1977-04-08 Valeri Ebenisterie Ind Bandes du type " folding " pour la formation par pliures d'une carcasse, pour poste radio, transistor ou television notamment
DE3106551A1 (de) * 1981-02-21 1982-09-02 Gebrüder Ernst & Co Maschinenbau GmbH, 6921 Neidenstein Verfahren und vorrichtung zum herstellen von moebelteilen aus winkelig zueinander zusammengesetzten einzelteilen
IT1070158B (it) * 1976-05-21 1985-03-29 Pritelli Spa Macchina automatica per la lavorazione di pannelli..tavole o simili in legno o suoi derivati..in particolare foratura e inserimento spine nella lavorazione di pannelli secondo il sistema folding
DE9210104U1 (de) * 1992-07-28 1992-12-24 Ackermann, Klaus, 6424 Grebenhain Anschlag für Gehrungsschnitte
JPH10281118A (ja) * 1997-04-09 1998-10-20 Takehiro:Kk 留接ぎにおける接着方法
EP1270156A2 (de) * 2001-06-25 2003-01-02 Stefan Lembeck Verfahren zur Herstellung von Hohlkörpern und Vorrichtung zur Herstellung eines derartigen Hohlkörpers
US20050054502A1 (en) * 2002-09-05 2005-03-10 Ted Benyovits Automated manufacturing line for boxgoods

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7408728U (de) * 1974-10-17 Lehbrink W Vorrichtung zum Aufkleben von Folie auf blatt- oder plattenförmige Werkstücke
BE429131A (de) *
US2252539A (en) * 1938-07-13 1941-08-12 Celotex Corp Method of making corner members
US2566151A (en) * 1948-06-15 1951-08-28 Bird & Son Process for fdge-coating and bending sheet material
DE2052111A1 (de) * 1970-10-23 1972-04-27 Licentia Gmbh Verfahren zur Herstellung eines Ge hauses fur Horrundfunk oder Fernseh empfänger oder dergleichen
DE2321088A1 (de) * 1973-04-26 1974-11-14 Lehbrink Fa Wilhelm Maschine zum herstellen von korpusteilen nach dem faltsystem
FR2323529A1 (fr) * 1974-01-11 1977-04-08 Valeri Ebenisterie Ind Bandes du type " folding " pour la formation par pliures d'une carcasse, pour poste radio, transistor ou television notamment
DE2544624A1 (de) * 1975-10-06 1977-04-07 Rudolph Richter & Co Verfahren zur herstellung einer rundecke in einer platte
IT1070158B (it) * 1976-05-21 1985-03-29 Pritelli Spa Macchina automatica per la lavorazione di pannelli..tavole o simili in legno o suoi derivati..in particolare foratura e inserimento spine nella lavorazione di pannelli secondo il sistema folding
DE3106551A1 (de) * 1981-02-21 1982-09-02 Gebrüder Ernst & Co Maschinenbau GmbH, 6921 Neidenstein Verfahren und vorrichtung zum herstellen von moebelteilen aus winkelig zueinander zusammengesetzten einzelteilen
DE9210104U1 (de) * 1992-07-28 1992-12-24 Ackermann, Klaus, 6424 Grebenhain Anschlag für Gehrungsschnitte
JPH10281118A (ja) * 1997-04-09 1998-10-20 Takehiro:Kk 留接ぎにおける接着方法
EP1270156A2 (de) * 2001-06-25 2003-01-02 Stefan Lembeck Verfahren zur Herstellung von Hohlkörpern und Vorrichtung zur Herstellung eines derartigen Hohlkörpers
US20050054502A1 (en) * 2002-09-05 2005-03-10 Ted Benyovits Automated manufacturing line for boxgoods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2453427C1 (ru) * 2010-12-24 2012-06-20 Государственное образовательное учреждение высшего профессионального образования "Южно-Российский государственный технический университет (Новочеркасский политехнический институт)" Автоматическая линия сборки каркасных деревянных панелей

Also Published As

Publication number Publication date
EP1990163A3 (de) 2012-08-08
ITBO20070334A1 (it) 2008-11-09

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