EP2994280B1 - Vorrichtung zur herstellung einer pressgutmatte und anlage zur herstellung von werkstoffplatten - Google Patents

Vorrichtung zur herstellung einer pressgutmatte und anlage zur herstellung von werkstoffplatten Download PDF

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Publication number
EP2994280B1
EP2994280B1 EP14725390.0A EP14725390A EP2994280B1 EP 2994280 B1 EP2994280 B1 EP 2994280B1 EP 14725390 A EP14725390 A EP 14725390A EP 2994280 B1 EP2994280 B1 EP 2994280B1
Authority
EP
European Patent Office
Prior art keywords
removal roller
surface weight
shielding
radiation source
roller
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
EP14725390.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2994280A1 (de
Inventor
Ulf KÖNEKAMP
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.)
Dieffenbacher GmbH Maschinen und Anlagenbau
Original Assignee
Dieffenbacher GmbH Maschinen und Anlagenbau
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 Dieffenbacher GmbH Maschinen und Anlagenbau filed Critical Dieffenbacher GmbH Maschinen und Anlagenbau
Publication of EP2994280A1 publication Critical patent/EP2994280A1/de
Application granted granted Critical
Publication of EP2994280B1 publication Critical patent/EP2994280B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/10—Moulding of mats
    • B27N3/14—Distributing or orienting the particles or fibres
    • B27N3/146—Controlling mat weight distribution

Definitions

  • the invention relates to a device for producing a pressed material mat according to the preamble of claim 1 and to a system for producing material plates according to the preamble of claim 9
  • a mixture of particles or fibrous materials and a binder is scattered to a grit mat on a forming or conveyor belt, the grit mat is then optionally supplied to a necessary pre-treatment and finally a compression.
  • the compression can be carried out continuously or discontinuously by means of pressure and heat.
  • MDF boards consisting of medium-density fibers, or OSB boards of oriented, scattered chips. Scattering occurs in one or more layers as needed, with the need for multiple layers usually occurring in the production of thicker plates. But also in the production of thin plates, different layers may be desired, especially if specially differentiated requirements should exist between the middle layer and the outer layers.
  • the material plate manufacturers are forced with their systems for economic reasons, not only to exhaust the maximum cost savings in plant costs and during operation, but also to offer the most flexible and high-quality production capabilities to fully utilize their manufacturing plant and a 24-hour / 7 To ensure days of operation.
  • a measuring device between the scattering device and the press is arranged to measure the actual value of the basis weight profile of a pressed material
  • a control device for comparing the actual value of the setpoint of the basis weight profile and for determining Manipulated variables is arranged on at least one adjusting device within the scattering device and that the measuring device and at least one adjusting device are arranged within a distance relative to the length of the pressed material mat of less than 5 m.
  • a separate device is provided for measuring the basis weight for correcting the scattering, which must both be arranged between the spreading head and the press. The correction of the scattering should already take place within the scattering head or very close to the scattering head.
  • the invention is therefore based on the object to provide a compact device for improving the quality of the pressed product mat and a plant for the production of material plates.
  • the removal roller is designed to be height adjustable.
  • a correction module between the discharge roller and the conveyor belt to compensate is arranged by partial density variations, wherein the correction module can be performed in sections adjustable.
  • the radiation source of the basis weight scale should preferably consist of an X-ray emitter or gamma emitter.
  • the shield consists of metal and / or concrete or another material for shielding radiation.
  • the basis weight scale should be arranged for measuring a screened basis weight profile with a resolution of 100 mm ⁇ 100 mm and, if appropriate, correlatively provide the removal roller and the correction module with corresponding adjustment options.
  • a preferred solution is that a compaction roller is arranged for precompression in front of the removal roller, wherein the compaction roller can also be made adjustable in sections.
  • a control unit for comparing the actual value with the desired value of the basis weight and for determining manipulated variables for the removal roller, the correction module and / or the compaction roller should be arranged.
  • the advantages of the device according to the invention are considerable: By using parts of the shielding of the basis weight scale, a more compact design can take place, whereby less space in a press is required for the device. By integrating the removal roller in the arrangement of the basis weight scale, the control distance between the discharge roller and basis weight scale is also significantly reduced, so that a more direct control can be done. With this, errors in the scattering can be corrected more quickly, whereby less misregulated press material mat is produced and the rejects are thus minimized.
  • FIG. 1 schematically illustrates the prior art.
  • the press material mat 13 sprinkled onto a conveyor belt 2 first arrives in the production direction 12 at a removal roller, by means of which the excessively scattered material is removed.
  • the removed material 15 is finally sucked off via a suction channel 6.
  • a correction module 3 can be provided underneath the removal roller 4 to be appropriate.
  • a basis weight balance 14 is further attached as an independent device.
  • the basis weight balance 14 consists of a radiation source 7, the measuring beam 8 is detected by the pressed material mat 13 on a sensor 9 for determining the basis weight of the pressed material mat 13. Due to the radiation source 7, the basis weight balance 14 must be embedded in a shield 10. If a misregistration or error in the basis weight is detected by the basis weight scale 14, the height adjustment of the removal roller 4 and / or the correction module is regulated, the error spread or the incorrect weight per unit area remaining for the control distance 11.
  • FIG. 2 shows the device 1 according to the invention, in which now the removal roller 4 has become an integral part of the basis weight balance 14.
  • a pre-compaction of the pressed material mat 13 by means of a roller 5 can first take place in the production direction 12. Furthermore, in the production direction 12, a removal of the pressed material mat 13, which has been scattered on a conveyor belt 2, takes place by means of a removal roller 4, which is designed to be adjustable in height. Adjacent to the removal roller, however, the basis weight balance 14 is already attached, the measuring beam 8 runs closely behind the removal roller 4.
  • the shield 10 'of the radiation source 7 of the basis weight balance 14 can also be used according to the present invention for guiding the abraded material 15 in the suction channel 6.
  • the control distance 11 between the basis weight balance 14 and removal roller 4 and the correction module 3 is decisively reduced, so that the misregistrations can be corrected more quickly and the reject can be minimized. 1457

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
EP14725390.0A 2013-05-06 2014-05-06 Vorrichtung zur herstellung einer pressgutmatte und anlage zur herstellung von werkstoffplatten Not-in-force EP2994280B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013104651.7A DE102013104651A1 (de) 2013-05-06 2013-05-06 Vorrichtung zur Herstellung einer Pressgutmatte und Anlage zur Herstellung von Werkstoffplatten
PCT/EP2014/059269 WO2014180866A1 (de) 2013-05-06 2014-05-06 Vorrichtung zur herstellung einer pressgutmatte und anlage zur herstellung von werkstoffplatten

Publications (2)

Publication Number Publication Date
EP2994280A1 EP2994280A1 (de) 2016-03-16
EP2994280B1 true EP2994280B1 (de) 2017-10-04

Family

ID=50771247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14725390.0A Not-in-force EP2994280B1 (de) 2013-05-06 2014-05-06 Vorrichtung zur herstellung einer pressgutmatte und anlage zur herstellung von werkstoffplatten

Country Status (4)

Country Link
EP (1) EP2994280B1 (zh)
CN (1) CN105209228B (zh)
DE (1) DE102013104651A1 (zh)
WO (1) WO2014180866A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018131291A1 (de) 2018-12-07 2020-06-10 Dieffenbacher GmbH Maschinen- und Anlagenbau Abtragvorrichtung und Verfahren zur Realisierung eines gleichmäßigen Flächengewichts einer Streugutmatte

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017111178A1 (de) * 2017-05-22 2018-11-22 Dieffenbacher GmbH Maschinen- und Anlagenbau Vorrichtung und Verfahren zur Herstellung einer Matte sowie Anlage zum Herstellen von Werkstoffplatte
DE102019100661A1 (de) * 2019-01-11 2020-07-16 Dieffenbacher GmbH Maschinen- und Anlagenbau Vermessungsvorrichtung und Verfahren zur Vermessung von Werkstoffplatten und Anlage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1050992B (de) * 1954-10-25 1959-02-19 Max Himmelheber Verfahren zur konstanthaltung des glächengewichtes bei der kontinuierlichen bildung von aufschüttungen aus holzspänen, fasern od. dgl. für die herstellung von spanplatten und ähnlichen formkörpern
DE1127573B (de) * 1960-07-19 1962-04-12 Max Himmelheber Dipl Ing Vorrichtung zur Herstellung von Holzspanplatten od. dgl.
DE4015583A1 (de) * 1990-05-15 1991-11-21 Siempelkamp Gmbh & Co Anlage zum aufstreuen von holzwerkstoff-streugut auf ein formband
DE202004004037U1 (de) * 2004-03-12 2004-05-13 Binos Technologies Gmbh & Co. Kg Vorrichtung zur Herstellung von Span- un Faserplatten
DE102008027708B4 (de) * 2008-06-11 2021-07-08 Dieffenbacher GmbH Maschinen- und Anlagenbau Anlage und ein Verfahren zur Herstellung von Werkstoffplatten, insbesondere MDF- oder Partikelplatten
DE102008039466A1 (de) * 2008-08-25 2010-03-04 Dieffenbacher Gmbh + Co. Kg Verfahren und Streustation zur Herstellung einer Streugutmatte aus rieselfähigem Streugut im Zuge der Herstellung von Holzwerkstoffplatten
DE102010002066A1 (de) * 2010-02-17 2011-08-18 Dieffenbacher GmbH + Co. KG, 75031 Verfahren und eine Anlage zur Herstellung einer Streugutmatte aus zumindest einer gestreuten Schicht im Zuge der Herstellung von Holzwerkstoffplatten in einer Presse
DE102011016343C5 (de) 2010-06-02 2015-09-03 Fagus-Grecon Greten Gmbh Und Co Kg Verfahren zur Einstellung des Flächengewichts von auf ein Förderband aufgestreutem Schüttgut

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018131291A1 (de) 2018-12-07 2020-06-10 Dieffenbacher GmbH Maschinen- und Anlagenbau Abtragvorrichtung und Verfahren zur Realisierung eines gleichmäßigen Flächengewichts einer Streugutmatte

Also Published As

Publication number Publication date
DE102013104651A1 (de) 2014-11-06
WO2014180866A1 (de) 2014-11-13
CN105209228A (zh) 2015-12-30
CN105209228B (zh) 2018-04-27
EP2994280A1 (de) 2016-03-16

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