EP0496341A2 - Procédé et dispositif pour la fabrication de revêtement en parquet - Google Patents

Procédé et dispositif pour la fabrication de revêtement en parquet Download PDF

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Publication number
EP0496341A2
EP0496341A2 EP92100901A EP92100901A EP0496341A2 EP 0496341 A2 EP0496341 A2 EP 0496341A2 EP 92100901 A EP92100901 A EP 92100901A EP 92100901 A EP92100901 A EP 92100901A EP 0496341 A2 EP0496341 A2 EP 0496341A2
Authority
EP
European Patent Office
Prior art keywords
parquet
straps
heating
section
glue
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Withdrawn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
EP92100901A
Other languages
German (de)
English (en)
Other versions
EP0496341A3 (en
Inventor
Rainer Stepanek
Klaus J. Knauf
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0496341A2 publication Critical patent/EP0496341A2/fr
Publication of EP0496341A3 publication Critical patent/EP0496341A3/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • 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
    • B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
    • B27M3/06—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks of composite floor plates per se by assembling or jointing the parqueting blocks
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/07—Joining sheets or plates or panels with connections using a special adhesive material

Definitions

  • the invention relates to a method for producing a parquet cover formed from individual parquet slips for subsequent application to a carrier, and to a device for producing such a parquet cover, in particular for carrying out the method.
  • the Rohfunier straps or strips which have been cut to the desired finished size, are glued with their underside to a plastic net or sewn with a plastic net, in order to then coat the parquet cover thus formed on a carrier material to apply.
  • the carrier material often consists of chipboard or hardboard, which may be provided with all-round tongue and groove profiles.
  • the final treatment at the factory is carried out by grinding and sealing the surface of the parquet cover.
  • the parquet boards or panels are then prepared for installation on site.
  • the parquet boards or panels are joined together with their tongue and groove profile running around the carrier material or, if necessary, only laid on the correspondingly prefabricated sub-floor or on the substructure by gluing on the surrounding side edges.
  • a disadvantage of the known manufacturing methods is the complex final treatment in order to achieve the smoothest possible surface of the parquet ceiling. Because in the known procedure of gluing or sewing the underside of the individual Funier straps to produce the parquet ceiling on a plastic net, this is one way of activating the glue high temperature required that an exact or joint-tight position of the veneer strips against each other is not guaranteed and often unacceptable uneven units arise. A complex reworking of the surface by sanding, if necessary filling, re-sanding and resealing is necessary, which does not always lead to satisfactory results even then.
  • the slips are fed to a gluing station, which is followed by a cross-cut station for cutting the planks to length.
  • a gluing station which is followed by a cross-cut station for cutting the planks to length.
  • parquet ceilings which are applied to a carrier material in a subsequent operation, have an essential requirement that the Funier straps, which have a relatively small thickness of about 0.2 cm, be joint-tight are held together with flat surfaces of the parquet ceiling.
  • the invention has for its object to develop a method of the type mentioned in such a way that parquet ceilings with high joint tightness of the Funier straps, smooth parquet surface and high dimensional accuracy can be easily and reliably produced without the need for extensive post-processing for sealing .
  • Another object of the invention is to provide a device for producing parquet ceilings, in particular for carrying out the method, which, with a structurally simple construction, enables automated operation with high quality standards with regard to manufacturing precision.
  • the task i. w. solved in that the previously glued to their long and short sides of the parquet straps side by side in at least two webs through a heating section to activate the glue while simultaneously exercising an i. w. lateral contact pressure on the parquet straps and subsequently conveyed through a cooling section for curing the glue, with an i. w. vertical contact pressure is exerted in such a way that i. w. be pressed together tightly.
  • the method according to the invention enables a prefabricated parquet ceiling to be produced in a simple manner with high dimensional accuracy and extraordinary joint closure.
  • the parquet slips conveyed next to each other in parallel paths experience a lateral, preferably elastic, contact pressure within the heating section, so that their mutually adjacent longitudinal sides already assume a mutually coherent position.
  • the joint closure on the facing ends of the Parquet slips are achieved by generating a contact pressure that acts essentially perpendicularly along their conveying path, preferably flat. In this case, the pushing force promoting the parquet straps through the heating and cooling section counteracts such sliding friction that the straps are pressed against one another with their end faces.
  • both the lengthwise and the frontal joint closure of the parquet straps already take place within the heating section and are also retained in the subsequent cooling section.
  • the glue applied to the side edges of the straps is activated within the heating section, which then hardens in the subsequent cooling section, whereby the raw parquet ceiling is completed.
  • cooled air if necessary, can be directed or blown onto the parquet slips.
  • the raw parquet ceiling is then applied to the substrate and the parquet surface is sealed, if necessary after sanding.
  • the generally vertical contact pressure on the parquet slips is generated in the area of the cooling section. This measure has proven to be particularly advantageous in order not to hinder the feeding of the individual parquet slips into the heating section.
  • the glued parquet straps are supplied to the heating section in a number corresponding to the webs and possibly offset in the conveying direction, the parquet straps supplied in each case exerting a pushing force on the parquet straps in front of the conveying direction.
  • This measure also helps to ensure that the parquet straps close within the parquet ceiling. Because the fact that the parquet slips are conveyed along the processing path solely by the thrust transmitted by the new parquet slips that are fed into the heating section results in a permanent pressure on the parquet slips together with the sliding friction that counteracts the thrust End faces. In addition, no further drive device is required to transport the parquet straps along the processing path.
  • the parquet ceiling is cut to a predetermined length after passing through the cooling zone, the cutting of the parquet straps by the Conveying speed or controlled by the clock of the conveyor, which also contributes to automation in production.
  • the device according to the invention enables an automated manufacturing operation of a finished parquet ceiling of high dimensional and dimensional stability.
  • the device is characterized by a structurally simple structure.
  • the first assembly consists of the conveyor, by means of which the previously glued parquet slips are fed to the further processing stations in parallel and straight lines.
  • the glue is activated by heating.
  • two heatable plate elements are provided, which simultaneously guide the parquet straps between their top and bottom sides.
  • the two panel elements also have the task of smoothing or smoothing corrugated Funier straps so that they can be processed into dimensionally accurate parquet ceilings with flat surfaces.
  • the joints close on the long sides of the parquet straps.
  • the glue on the parquet straps cures and thus is fixed within the parquet ceiling, the means for generating the flat contact pressure acting vertically on the parquet straps in cooperation with the shear force emanating from the conveying device ensures that the parquet straps are closed at the end.
  • the lateral pressing means have a movable, preferably spring-loaded stop part and a stationary stop part cooperating therewith, which engage on opposite longitudinal sides of the at least two straps.
  • the movable stop part at the same time makes it easier to insert the parquet slips into the heating section by means of the conveyor.
  • the two heatable plate elements between which the webs with parquet straps for activating the glue are guided, can each be designed as a closed heating plate. According to an advantageous embodiment of the invention, however, it is provided that the two plate elements are divided into a plurality of heating zones, each of which is assigned to at least one of the webs with parquet straps and can be heated independently of one another or optionally switched on one after the other. As a result, only the area of the plate elements is heated in which the sheets with parquet straps are pushed through the heating section.
  • the means of generating the i. w. vertical contact pressure it is provided according to the invention that a possibly arranged in the area of the cooling section and / or in an area between the heating and cooling sections, the apron sheets between the upper and lower plate elements, which are adjustable by means of tensioning elements, preferably , are held against each other under pressure. This will make an i. w. even and flat contact pressure exerted on the parquet straps, as a result of which an i. w. sets constant sliding friction of the individual parquet straps.
  • a magazine unit for the parquet slips is provided in the conveying direction in front of the heating section, of which the latter is offset, for example by means of the number corresponding to the tracks and in an orientation corresponding to the arrangement within the respective parquet ceiling
  • the conveyor can be removed and fed to the heating section.
  • the individual parquet straps can be supplied according to the desired pattern of the finished parquet ceiling, for example offset in the longitudinal direction to produce a ship floor pattern. But there are also other laying patterns are possible, such as braiding patterns or cube patterns, in which the parquet is assembled from individual finished parquet panels with the parquet strips arranged in parallel.
  • the magazine should also be equipped with a pneumatic pressure station, so that the parquet Riemcheri contained therein lie flat on top of one another and it is ensured that they can be fed to the heating and pressing section or to the cooling section more smoothly.
  • a pneumatic pressure station on the magazine unit, it is also possible to process wavy parquet straps.
  • each web of parquet straps is assigned a separate magazine, the individual magazines being in a positional relationship corresponding to the arrangement of the parquet straps within the respective parquet-ceiling pattern.
  • the conveying device has a, for example pneumatically or hydraulically actuated, push cylinder with a sliding part, which is designed to push the individual parquet slips from the magazine unit in cycles and feed them together to the heating section.
  • contact plates made of corrosion-resistant material such as aluminum
  • the straps run in the area of the cooling section between the two contact plates that are exposed to cooling air. In this way, a uniform hardening of the glue is achieved. Because the cooling air does not come into direct contact with the straps, none can Moisture penetrate the parquet wood so that there is no staining in the parquet ceiling.
  • the supply of the cooling air can take place, for example, by providing conduit channels acted upon by the blower with cooling air within the cooling section and openings or the like within the plate elements for supplying the cooling air to the contact plates.
  • At least the upper plate element should be designed such that it can be adjusted in height within the heating section and / or the cooling section, if necessary.
  • a cooling device for cutting the parquet ceiling to the respective finished dimension can be provided downstream of the cooling section, the actuation of which takes place as a function of the conveying speed or the stroke and / or the stroke cycle of the pushing cylinder of the conveying device.
  • the device for producing a parquet ceiling 2 according to FIGS. 1 and 2 has a conveying device 3 with a magazine unit 16, a heating section 5, an adjoining cooling section 8 and a downstream cutting device 21.
  • the conveying device 3 has a base frame 23 flanged to the frame 22 of the heating section 5, on which a pneumatically operated push cylinder 18 is held.
  • a pneumatically operated push cylinder 18 is held on which a pneumatically operated push cylinder 18 is held.
  • a hydraulically actuated thrust cylinder 18 On the push rod 24 of the push cylinder 18, as can be seen in particular from FIG. 3, a plate-shaped sliding unit 19 is articulated, which is guided on a frame table 25 of the base frame 23.
  • the magazine unit 16 is also arranged on the frame 22 of the heating section 5 for storing the parquet straps 1 which have already been glued on their longitudinal and end faces.
  • the magazine unit 16, which may be height-adjustable, with its magazine outlets, is located at a distance approximately corresponding to the thickness of the parquet straps 1 above the rack table 25 and at the same time in the effective range of the sliding unit 19 of the push cylinder 18.
  • the magazine unit 16 in the embodiment selected here from three individual magazines 17a, 17b, 17c, which are in such a positional relationship to one another as corresponds to the arrangement of the parquet straps 1 within the respective parquet pattern.
  • the individual magazines 17a, 17b, 17c are aligned for a ship's floor pattern with parquet straps 1 arranged in an offset manner.
  • the plate-shaped sliding unit 19 has on its front side facing the magazine units 17a, 17b, 17c a contour that corresponds to the laying pattern, here the ship floor pattern.
  • the sliding unit 19 When the push cylinder 18 is actuated, the sliding unit 19 then slides forward on the rack table 25 and pushes the lowest one, ie the parquet strap 1 resting on the rack table 25, of each of the three apron stacks accommodated in the magazines 17a, 17b, 17c the subsequent heating section 25. By pulling back the push rod 24 of the push cylinder 18, the sliding unit 19 returns to its initial position, so that the next parquet strap 1 of the three strappy stacks accommodated in the magazines 17a, 17b, 17c is down on the rack table 25 can move up to be inserted into the heating section 5 in the following cycle.
  • the magazine unit 16 is equipped with a pneumatic pressure station 33 in order to ensure that the parquet straps 1 accommodated in the magazines 17a, 17b, 17c are fed smoothly and are not susceptible to faults. As a result, the apron packs accommodated in the magazines 17a, 17b, 17c are pressed flat against one another, so that tilting within the magazines 17a, 17b, 17c is impossible even when using wavy parquet aprons 1.
  • the heating section 5 which serves to activate the glue applied to the side edges of the parquet straps 1 and to smooth or flatten any undulating Rohfunier straps 1, is constructed in the manner of a press with two heatable plate elements 6a, 6b, between which the of the conveyor 3 in parallel straight lines 4a, 4b, 4c inserted parquet straps 1 are guided.
  • the plate elements 6a, 6b are adjustable in height, so that processing of different thicknesses of the parquet straps 1 is also possible.
  • means 7 are provided within the heating section 5 for laterally pressing the parquet straps 1 in order to achieve a joint closure on the adjoining long sides of the parquet straps 1.
  • a fixed stop part 11 extending along the conveying path is provided on the lower or upper plate element 6a, 6b, against which the parquet straps 1 are pressed transversely to the conveying direction by means of a movable stop part 10 provided on the opposite long side of the frame 22.
  • the contact pressure is built up by means of pressure springs 12.
  • the movable stop part 10 in the insertion area of the heating section 5 is designed to be split in order to facilitate the feeding of the parquet straps 1 into the heating section 5.
  • the two stops 10, 11 are designed in the form of strips and simultaneously serve as lateral guides for the parquet straps 1.
  • the heating device of the plate elements 6a, 6b is divided into a plurality of heating zones which are separate from one another, the first heating zone comprising the area of the three straps 4a, 4b, 4c.
  • the first heating zone comprising the area of the three straps 4a, 4b, 4c.
  • only those heating zones are operated that come into contact with the straps.
  • an extraordinarily high temperature stability is achieved within the respective working range of the plate elements 6a, 6b, so that with economical heating a uniform activation of the glue on the parquet straps 1 and thus a joint-tight gluing of the parquet ceiling 2 is possible.
  • the three webs 4a, 4b, 4c of parquet straps 1 then reach the cooling section 8, where the previously activated glue is cured on the longitudinal and end faces of the parquet straps 1 by blowing in possibly cooled air.
  • the apron tracks 4a, 4b, 4c are guided in the area of the cooling section 8 between two contact plates 34a, 34b made of aluminum, which are in contact with the apron tracks 4a, 4b by means of two plate elements 13a, 13b , 4c are held.
  • the lower plate element 13b rests on a base frame 26, while the upper plate element 13a exerts an essentially vertical contact pressure on the contact plate 34a and thus on the parquet straps 1 by means of clamping elements 14.
  • the parquet straps 1 experience a sliding friction which counteracts the thrust generated by the conveyor 3 and leads to the fact that the parquet straps 1 of the three webs 4a, 4b, 4c are also joint-tight with their end faces are pressed together so that a parquet cover in cooperation with the lateral pressing means 7 previously provided in the heating zone 2 can be produced with an exact joint closure.
  • lateral guide stops 15 for the apron tracks 4a, 4b, 4c are also provided within the cooling section 8 between the upper and lower plate elements 13a, 13b.
  • duct channels 20 above and below the two plate elements 13a, 13b with corresponding openings or recesses 32 within the plate elements 13a, 13b, which lead to the contact plates 34a, 34b. Due to the indirect cooling of the parquet straps 1 via the contact plates 34a, 34b, no moisture can penetrate into the parquet wood, and the use of corrosion-resistant contact plates 34a, 34b made of aluminum, for example compared to plates made of iron material, does not result in any undesirable stains in the parquet -Decke 2. This also ensures that during the heating of the parquet straps 1 in the heating zone 5 due to the moisture or residual moisture contained in the glue and in the wood material itself does not lead to oxidation stains on the parquet ceiling 2.
  • the structure of the cutting device 21, which is connected downstream of the cooling section 8 in the conveying direction, for cutting the parquet ceiling 2 to the respective finished dimension can be seen in FIG.
  • This is a crosscut saw, which can be moved by means of a pneumatic cylinder 29 transversely to the conveying direction of the parquet ceiling 2.
  • the cross-cut saw has a circular saw blade 28 driven by a motor 27.
  • a stationary, approximately sleeve-shaped guide part 31 is provided for the cutting movement of the cross-cut saw, in which a slide rail 30 connected to the cross-cut saw is guided.
  • the cutting device 21 is actuated as a function of the conveying speed or the stroke and the stroke cycle of the push cylinder 18 of the conveyor 3.
  • the parquet cover 2 thus produced is applied to the carrier material in further steps, after which the surface of the parquet cover 2 is sealed. Due to the exact joint closure and the smooth, flat surface of the parquet ceiling 2 produced with the machine described, a smooth surface can also be achieved in the subsequent sealing, without the need for post-processing in this final treatment.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Wood Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Finishing Walls (AREA)
EP19920100901 1991-01-19 1992-01-20 Method and apparatus for the manufacture of parquet flooring Withdrawn EP0496341A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4101484 1991-01-19
DE4101484 1991-01-19
DE19914138592 DE4138592C2 (de) 1991-01-19 1991-11-23 Vorrichtung zur Herstellung einer Parkett-Decke
DE4138592 1991-11-23

Publications (2)

Publication Number Publication Date
EP0496341A2 true EP0496341A2 (fr) 1992-07-29
EP0496341A3 EP0496341A3 (en) 1992-11-25

Family

ID=25900344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920100901 Withdrawn EP0496341A3 (en) 1991-01-19 1992-01-20 Method and apparatus for the manufacture of parquet flooring

Country Status (2)

Country Link
EP (1) EP0496341A3 (fr)
DE (1) DE4138592C2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995035192A1 (fr) * 1994-06-22 1995-12-28 Wm Wild Maschinen Gmbh Procede et dispositif permettant de realiser la couche superieure de parquets finis
EP0945236A3 (fr) * 1998-03-25 2004-04-07 Robert Bürkle GmbH Dispositif permettant de realiser la couche supérieure de parquets finis laminés
EA013033B1 (ru) * 2008-12-11 2010-02-26 Артур Робертович Кочаров Станок для форматной обработки паркетных блоков
EA014038B1 (ru) * 2008-12-11 2010-08-30 Артур Робертович Кочаров Способ склеивания заготовок паркета и пресс для его осуществления

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA011436B1 (ru) * 2008-07-01 2009-02-27 Артур Робертович Кочаров Способ изготовления деревянных щитов и пресс для его осуществления
DE102008031604A1 (de) * 2008-07-07 2010-01-14 Robert Bürkle GmbH Verfahren und Anlage zum Herstellen von Deckschichtdielen
CN114311207B (zh) * 2021-12-17 2022-09-02 江苏中鑫家居新材料股份有限公司 复合wpc地板生产加工设备

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Publication number Priority date Publication date Assignee Title
US2908590A (en) * 1957-12-31 1959-10-13 Wood Mosaic Corp Method of finishing wood surfaces
DE1213313B (de) * 1958-11-07 1966-03-24 Michael Weinig K G Parkettboden-Setzmaschine
GB944559A (en) * 1959-12-14 1963-12-18 Hans Otto Metzger Apparatus for producing mosaic parquet panels
CH429123A (de) * 1962-04-03 1967-01-31 Weinig Michael Kg Vorrichtung zur Herstellung von Verbundplatten und Verfahren zum Betrieb der Vorrichtung
DE1528091A1 (de) * 1965-07-31 1970-02-05 Alenius Dipl Ing Verfahren und Vorrichtung zur Herstellung der Mittellage von Tischlerplatten aus Staeben
FR1462372A (fr) * 1965-10-25 1966-12-16 Procédé et machine pour l'assemblage des éléments constitutifs des panneauxmosaïques et analogues, ainsi que panneaux-mosaïques et autres obtenus
US3524785A (en) * 1966-02-09 1970-08-18 Feiglin & Sons Proprietary Ltd Apparatus for jointing timber sections
AT328714B (de) * 1969-08-14 1976-04-12 Zentralinstitut Fur Holztechno Verfahren und vorrichtung zum herstellen von parkettdielen
SU455021A1 (ru) * 1973-05-30 1974-12-30 Ленинградская Ордена Ленина Лесотехническая Академия Им.С.М.Кирова Способ изготовлени паркета
DE2648016C3 (de) * 1976-10-23 1979-07-12 Fa. Anton Kessel, 7941 Andelfingen Verfahren und Vorrichtung zur Herstellung von Werktischplatten
US4512840A (en) * 1981-02-05 1985-04-23 Marino Vincent J Method and apparatus for wood flooring manufacture
CA1168968A (fr) * 1981-03-17 1984-06-12 Bois Technilam Inc. Installation et methode de production de panneaux continus en bois solide lamelle
DE3866878D1 (de) * 1987-07-24 1992-01-23 Pfeifer Jun Verfahren und einrichtung zur herstellung eines endlosen holzstranges.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995035192A1 (fr) * 1994-06-22 1995-12-28 Wm Wild Maschinen Gmbh Procede et dispositif permettant de realiser la couche superieure de parquets finis
EP0945236A3 (fr) * 1998-03-25 2004-04-07 Robert Bürkle GmbH Dispositif permettant de realiser la couche supérieure de parquets finis laminés
EA013033B1 (ru) * 2008-12-11 2010-02-26 Артур Робертович Кочаров Станок для форматной обработки паркетных блоков
EA014038B1 (ru) * 2008-12-11 2010-08-30 Артур Робертович Кочаров Способ склеивания заготовок паркета и пресс для его осуществления

Also Published As

Publication number Publication date
DE4138592C2 (de) 1994-03-10
EP0496341A3 (en) 1992-11-25
DE4138592A1 (de) 1992-07-23

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