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EP2475503B1 - Dispositif de production et procédé de production - Google Patents

Dispositif de production et procédé de production Download PDF

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Publication number
EP2475503B1
EP2475503B1 EP10760284.9A EP10760284A EP2475503B1 EP 2475503 B1 EP2475503 B1 EP 2475503B1 EP 10760284 A EP10760284 A EP 10760284A EP 2475503 B1 EP2475503 B1 EP 2475503B1
Authority
EP
European Patent Office
Prior art keywords
density
extrudate
blocks
production
strand
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.)
Active
Application number
EP10760284.9A
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German (de)
English (en)
Other versions
EP2475503A2 (fr
Inventor
Clemens Pfeifer
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.)
Pfeifer Holz GmbH
Original Assignee
Pfeifer Holz GmbH
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 Pfeifer Holz GmbH filed Critical Pfeifer Holz GmbH
Priority to PL10760284T priority Critical patent/PL2475503T3/pl
Publication of EP2475503A2 publication Critical patent/EP2475503A2/fr
Application granted granted Critical
Publication of EP2475503B1 publication Critical patent/EP2475503B1/fr
Active 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
    • 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
    • B27N3/28—Moulding or pressing characterised by using extrusion presses
    • 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
    • B27N1/00—Pretreatment of moulding material
    • B27N1/02—Mixing the material with binding agent
    • B27N1/029—Feeding; Proportioning; Controlling
    • 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
    • B27N5/00—Manufacture of non-flat articles
    • B27N5/02—Hollow articles

Definitions

  • the invention relates to a production device and a production method having the features in the preamble of the main claim.
  • Such an extrusion line production device is known from EP 1 925 413 A2 known.
  • the production facility consists of an extrusion press and a downstream separating device.
  • the strand consists of vegetable small parts, which may be mixed with a binder.
  • the separator divides the supplied strand into several blocks.
  • the blocks can serve different purposes, eg for the production of pallet feet.
  • the blocks are required to comply with certain quality criteria, such as a minimum density.
  • the extruder is adjusted accordingly to provide the minimum required strand and block density with a safety reserve can. Machine-related density variations can be minimized.
  • the EP 1 752 268 A2 shows another production facility in which the strand density is to be kept constant by evaporation. In practice, however, there are density fluctuations caused by external and internal influences and changes in the production process.
  • the invention solves this problem with the features in the main claim.
  • the claimed production technology in particular the detection device and the controller for controlling the strand density, have the advantage that the required block quality in production can be maintained better and more consistently.
  • a suitably made density determination at the end of the manufacturing process and eg after the separator can be responded to any quality or density fluctuations, regardless of their cause quickly and effectively.
  • the tolerances can be kept narrower.
  • the extrusion press can be adapted and adjusted more closely and more precisely to the quality specifications, in particular to the strand and block density.
  • the security requirement can be reduced.
  • excessive densities and concomitant material surpluses and economic disadvantages can be minimized or avoided.
  • a short treatment section for the strand is advantageous.
  • the use of a vapor deposition device is favorable for this purpose. This applies in particular if the heat energy required for curing the image medium is largely or completely introduced into the strand and released by condensation.
  • a hydraulic drive of the extrusion press, in particular a hydraulic cylinder for an extrusion piston is for the Process control or process control also advantageous. It offers various setting and influencing options for strand formation.
  • the density and / or the weight of the strand and / or the blocks can be determined in various ways. This can be done, in particular, in transit and e.g. happen on the moving part, whereby the density determination can be incorporated trouble-free in the production process.
  • a density determination by weighing the blocks or by a non-contact sensor the e.g. works with radiation measurement. The latter can work without contact and continuously and can be carried out on the strand and / or on the blocks.
  • any short-term or random influences can be filtered out and better control constancy or damping can be achieved.
  • a separation and possibly a change in position of blocks facilitate the separation of the blocks and the density determination or weighing of the blocks and avoid detection errors.
  • Influencing and regulating the strand density can take place in various ways, in particular via the extruded counterpressure.
  • contact forces and frictional resistance of parts of a treatment section can be regulated.
  • the contact pressure can be constant or breathing.
  • one or more measures for quality assurance can be taken, eg as an alternative or in addition to the density test, a check of the block dimensions, a marking of blocks depending on the test result and a rejection of defective blocks.
  • the invention relates to a production device (1) for extruded blocks (4) and a production and control method.
  • production device (1) consists of an extrusion device (2), with a strand (3) made of binder mixed with small vegetable parts, such as wood chips.
  • the production device (1) further comprises a separation device (7) downstream of the extrusion press (2) in the production direction (15), with which blocks (4) are separated from the strand (3).
  • the blocks (4) can then be further transported in a manner not shown and further processed.
  • the strand (3) is rod-shaped and may have any cross-sectional shape, which is formed, for example, circular or prismatic with chamfered corners. Of the Strand (3) may be solid or in places hollow, for example, having a central spike hole.
  • the extruder (2) may be designed constructively in any suitable manner, for example according to the EP 1 925 413 A2 , It consists for example of a strand generator (5), which is formed in the embodiment shown as an extruder with an oscillating plunger (14), which was filled as bulk loose small material material that was possibly previously mixed in a chip preparation with a binder in a recipient compacted with a filling and pressing space and a subsequent mold channel and pressed into a strand section.
  • the extrusion piston (14) also intermittently pushes the strand (3) through the extrusion press (2).
  • the extrusion piston (14) can be moved forwards and backwards by a hydraulic cylinder, a crank or another drive.
  • the extrusion press (2) has a treatment section (6) downstream of the strand generator (5) in the direction of production (15), in which e.g. the pressed and molded strand (3) is subjected to a thermal treatment. This may be a heating and subsequent curing of the strand (3) with a corresponding route subdivision.
  • the strand (3) is passed through a tubular channel (12) with e.g. transported circular or prismatic cross-section.
  • the separating device (7) is arranged at the end of the channel.
  • the treatment section (6) can have a heating device (10) in which strand heating can take place in any desired manner. This is possible, for example, by supplying steam from inside and / or outside. Alternatively or additionally, contact heat can be supplied from inside and / or outside. In a vaporization, the amount and inner Energy of the preferably superheated steam to be adjusted so that the amount of steam substantially completely condensed in the strand (3), wherein the supplied via the phase transformation heat energy for curing of the strand (3) is sufficient.
  • the strand (3) may be formed hollow or hollow by means of a press mandrel.
  • the heating or vapor deposition can, for example, according to the EP 1 925 413 A2 or otherwise configured. It can also be downstream of a Entdampfungs adopted in the treatment section (6). Further, the treatment section (6) may include other or other components.
  • a curing device (11) may be present for the curing of the strand (3) heated to setting temperature and its subsequent cooling.
  • Heat to compensate for heat losses of the strand (3) are supplied to the completion of curing of the binder contained in the strand (3) by heated channel walls first. Subsequently, strand cooling can take place through appropriately cooled channel walls.
  • the channel (12) can have radially or transversely movable channel walls, for example, in the region of the curing line or curing device (11), which are connected to a pressure device (13).
  • the heating device (10) may have rigid channel walls or, alternatively, likewise movable channel walls with a pressure device (not shown).
  • a frictional force acting against the advancing pressing piston (14) can be applied to the strand casing. This braking effect also provides a resistance for compacting the small parts material in the extruder (5) and for pressing and molding new strand sections.
  • the pressing device (13) can apply a constant or a variable pressing force to the strand (3).
  • a varying and e.g. Breathing force can e.g. reduced during the return stroke of the plunger (14) and increased again during the subsequent advance. It is also possible to initially increase the contact pressure during the extrusion pre-stroke and thereby to provide an extruded counterpressure and to reduce the contact force and thus the frictional resistance towards the end of this preliminary stroke so that the strand (3) can be advanced by the extrusion piston (4). During the return stroke, the contact pressure can be increased again to hold the strand (3).
  • the separating device (7) can be designed in any suitable manner.
  • it is a saw with which the strand (3) is cut transversely to form one or more blocks (4).
  • a plurality of cutting tools in particular saw blades, are used, which may be variable in their distance. With the separating device (7) different block dimensions can be produced.
  • the production device (1) has a detection device (8) for the density in the strand (3) and / or in the block (4).
  • the density can be determined in any way.
  • the detection device (8) as a weighing device (8 '), in particular as a continuous or belt scale, wherein optionally the density of the measured weight in conjunction with the predetermined or also measured block dimensions is determined.
  • FIG. 3 shows a variant in which the detection device (8) one or more sensors (8 ") for non-contact density measurement.
  • the density can be continuous or be measured interrupted.
  • the density measurement can be made on the strand (3) and / or on the block (4) and can cover the entire strand (3) or all blocks (4) or parts thereof.
  • the density measurement can be carried out, for example, during the movement or in standstill intervals.
  • any other embodiments of the detection device (8) for direct or indirect density detection are possible.
  • the blocks (4) are weighed individually or in groups. All or part of the blocks (4) can be weighed. From the given or possibly also measured block volume can be calculated back to the block density via the weight measurement.
  • the blocks (4) quality requirements may apply. For example, they should have a minimum density or a certain Nagelausziehwiderstand. The blocks are paid according to the minimum density, whereby larger densities and corresponding chip surpluses are not reimbursed to the producer.
  • the detection device (8) is connected to a controller (9), with which the material density in the strand (3) or in the block (4) can be regulated to a default value.
  • the controller (9) is equipped, for example, with a programmable arithmetic unit and with at least one memory for the measured values or the determined values and for one or more preset values and for programs. Furthermore, there may be interfaces for inputting and outputting data.
  • the determined densities can be compared with a default value.
  • averaging of the density determination or weight measurement over a plurality of blocks (4) can be carried out, wherein the mean value is compared with the default value.
  • the control (9) From the comparison, the control (9) generates, if necessary, a signal for changing the manipulated variable influencing the density, using threshold limits.
  • the controller (9) can store and record the measurement or determination values for documentation and quality assurance purposes. They may also be correlated with monitoring other machine parameters of the extruder, e.g. in case of malfunctions or the like, to better understand the effects and to be able to conduct cause research.
  • the controller (9) can be designed as an independent controller. It may alternatively be connected to or integrated with another controller, e.g. in a control of the extrusion press (2).
  • the controller (9) is used to control the strand density.
  • the regulation and density influence can be done in different ways.
  • the controller (9) is connected to one or more pressing devices (13) and controls their contact pressure or the developed contact pressure. About the contact pressure and the resulting braking force, the strand density can be influenced. If the braking force and the resistance to the strand (3) located in the treatment section (6) are greater, the density of the not yet cured pressing section or strand section located in the filling and pressing chamber and in the molding channel increases. Conversely, the density decreases when the pressing force or braking force is reduced.
  • the controller (9) also act on the extrusion press (5) and the compression process. This is e.g. on the filling of the pressing space and a control of a filling slide (not shown) possible.
  • the plunger (14) and in particular its drive can be influenced, e.g. the feed length or possibly also the pressing force of the plunger (14) controlled, in particular limited. As a result, the achieved density may possibly be influenced in connection with the braking force in the treatment section (6).
  • the default value for the density may be above the predetermined minimum density, with the oversize and threshold values for density control being narrowly limited.
  • the strand and block density can vary for different reasons. On the one hand, this may be due to the supplied small-part material, which may be e.g. may vary in the homogeneity and size distribution of small plant parts or chips. Also, the internal moisture or residual moisture of the small parts material may vary. Influence may have property fluctuations of the binder or the air pressure and the humidity in the environment of the production facility (1). Furthermore, there may be machine-related influences. Due to the density control, the density fluctuations resulting from the various influences are detected promptly and reduced by the control.
  • the detection device (8) or weighing device (8 ') is arranged, for example, within the separating device (7) and a short distance behind the separating point. It can also be integrated in a subsequent conveyor line (16). The weighing takes place at a point where the blocks (4) transported past the detection device (8) are still at a mutual distance and individually or in groups of two or three or more blocks can be detected.
  • the detection device (8) or weighing device (8 ') can output the measured block weight as a value to the controller (9), which calculates the density therefrom and uses it as the controlled variable on the basis of the predetermined or otherwise measured block dimension or block volume.
  • the detection device (8) or weighing device (8 ') may alternatively have a computing module and even determine the density and report it to the controller (9).
  • a separating device (17) for the blocks (4) which is possibly integrated in a conveying path (16).
  • the position of the individual blocks can also be changed. In particular, they can be tilted to their cut end.
  • the separating device (16) according to FIG. 2 two differently high arranged conveying means (18,19) which move with different and in the direction of production (15) increasing speed.
  • the conveying means (18, 19) can be, for example, circulating conveyor belts. Due to the difference in height, the block (4) tapering on the upper conveyor belt (18) tilts onto the lower, lower conveyor belt (19) and is accelerated away there, whereby the gap between the blocks (5) fed on the upper conveyor belt (18) 4) is increased.
  • the isolated blocks (4) can according to FIG. 2 the detection device (8) are supplied, which can carry out a density or weight detection in the pass on the past moving blocks (4).
  • the detection device (8) for example, as a continuous scale (8 ') or be designed as a belt scale.
  • the detection device (8) has, for example, three conveying means (20, 21, 22) arranged one behind the other in the conveying direction (15), which possibly are separately controllable and can run at different speeds.
  • the conveying means (20, 21, 22) can likewise be designed as circulating conveyor belts.
  • a measuring element (23) for weight detection eg a load cell for measuring the block weight of a single block (4) or a group of blocks (4), can be arranged on the middle conveying means (21).
  • An evaluation and density calculation may possibly take place in an evaluation device (not shown) associated with the measuring element (23).
  • the preceding conveying means (20) can have a braking effect and ensure the reliable feeding of a new block (4) or a block group after completion of the detection or weighing process.
  • the downstream conveying means (22) can ensure rapid removal of the weighed block (s) (4) and for transfer to a downstream conveying section (16).
  • the measuring element (23) is connected to the controller (9), which detects the measuring or evaluation signals and optionally stores them in coupling with a machine time or another allocation criterion for the production process or for the extrusion press (2).
  • the controller (9) or the evaluation can be converted or possibly reprogrammed.
  • a measuring device (24) for the block shape and / or the block size or for a characteristic block dimension, for example for the cutting widths or the resulting block thicknesses, can be arranged on or after the separating device (7).
  • the cross-sectional shape and the cross-sectional dimensions of the strand (3) are predetermined or calibrated by the extrusion press (2) and do not fluctuate or only insignificantly.
  • the pad thickness can vary, for example, by tolerances of the separating device (7).
  • the measuring device (24) detects the measured values or any deviations from a default value and reports the measured values or deviations to the controller (9) and / or the detection device (8) for possibly more accurate determination of the size and density of the optionally isolated block (4).
  • the controller (9) can work with fixed default values for the block dimensions or with the above-mentioned measurement results for the individual blocks (4) and calculate here the block volume and from this the block density.
  • the controller (9) can also determine any deviations from predetermined minimum values in the dimensions of the individual block (4) for purposes of quality assurance or the like.
  • the detected and / or determined block dimensions as well as the density values can be stored with reference to the individual block (4) in an accompanying data record and possibly documented.
  • the tested block (4) can then be marked as good or defective by a marking device (25), eg a paint spray nozzle. If necessary, it can also be isolated from the block row at a downstream device (26) in the case of inferior quality. Both devices are for this purpose connected to the controller (9).
  • the measuring device (24) may be located at a suitable location on or above the overturned block (4) and at or above the conveyor, where e.g. the block occupies a defined position, in particular altitude.
  • a suitable location is e.g. above the weighing device (8 '), in particular above the measuring element (23).
  • the measuring device (24) may have a suitable design, e.g. as a tactile or non-contact distance sensor at a defined position above the block (4).
  • the block height or thickness can also be measured in other ways, e.g. with a lateral edge-sensing sensor that detects the position of the upper and lower block edges.
  • FIG. 3 shows an alternative or additional variant of the detection device (8), which has one or more sensors (8 ") for preferably non-contact density measurement
  • the sensor system (8") can, for example, work with radiation comprising the strand (3) and / or the Clogs (4) penetrates or is reflected by them.
  • the radiation may be eg beta or gamma radiation.
  • attenuated X-rays or microwaves are possible.
  • the gamma-ray backscatter measurement method can be used.
  • the radiation density or scattering can be measured on the opposite side of a radiation emitter with a corresponding detector.
  • microwaves for example, a microwave resonator can be used.
  • other measurement methods are possible.
  • the density measurement it is also possible to carry out a moisture measurement.
  • the density measurement result may depend on the moisture content of the strand material, which may then be recorded for correction purposes.
  • This preferably non-contact density measurement can be carried out in front of the separating device (7) in a free space for the extrusion press (2) and on the optionally exposed strand (3).
  • the measurement can take place during the advancing movement of the strand (3) and / or during standstill breaks.
  • the entire strand cross section or only a part thereof can be detected as a representative variable.
  • any foreign bodies in the strand (3), e.g. Metal parts or other for the separator (7) harmful ingredients to detect and issue a corresponding warning signal or control the separator (7) accordingly to avoid a separation cut at the critical strand location.
  • a sensor system 8 can also be arranged inside or behind the separating device 7. It can in particular detect the possibly isolated blocks 4. In this case, a density measurement can take place during the pad movement and the passage.
  • the one or more sensors (8 ") are connected to the controller (9) and report the measured density values to the controller.
  • the blocks (4) detect and initiate appropriate measures.This can be, for example, the control of an ejection device, with a defective block (4) is discarded.Furthermore, the separating device (7) can be controlled so as not to separate critical strand areas and possibly to deliberately produce scrap, which is subsequently selectively screened.
  • the moisture measurement which may be carried out in conjunction with the density measurement may also be used to initiate further measures.
  • a downstream drying device (not shown) for the blocks (4) are controlled.
  • the humidity readings can be stored and logged with the density values if necessary.
  • the values can also be assigned specifically to the individual blocks, possibly with a corresponding identification.
  • the pad weight is measured behind the separator (7).
  • the detection device (8) has at least one sensor (8 ") for non-contact density measurement on the strand (3) and / or on a single or multiple blocks (4), which alternatively or in addition to the weighing device (8 ').
  • a sensor (8 ") can be arranged in the production direction (15) in front of and / or behind the separating device (7).
  • the sensor (s) (8 ") may be connected to the controller 9.
  • the control or regulation of the strand density as a function of the sensor signal or the signal evaluation may be the same as in the example described above with the weighing device 8 '. ) be.
  • the extrusion press (2) and its components can be structurally designed and arranged in a different manner.
  • the separating device (7) can be varied in their construction and arrangement.
  • the above-described components of Production device (1) can be present several times in a modification of the embodiment shown.
  • With the extrusion press (2) for example, a plurality of parallel strands (3) can be formed.

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  • 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)
  • Control Of Washing Machine And Dryer (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Claims (15)

  1. Dispositif de production pour des blocs (4), constitué d'un dispositif d'extrusion (2) comprenant une extrudeuse (5) entraînée hydrauliquement pour fabriquer un tronçon extrudé (3) en forme de barre, avancé de manière intermittente, constitué de petits fragments végétaux mélangés avec un liant et un dispositif de sectionnement (7) pour sectionner des blocs (4) à partir du tronçon extrudé (3)
    le dispositif de production (1) présentant un dispositif de détection (8) disposé dans le sens de production (15) derrière le dispositif de sectionnement (7) et une commande (9) pour influencer le dispositif d'extrusion (2) et pour réguler la densité du tronçon extrudé, caractérisé en ce que le dispositif de détection est un dispositif pour détecter le poids des blocs (4).
  2. Dispositif de production selon la revendication 1, caractérisé en ce que le dispositif de détection (8) est réalisé sous forme de dispositif de pesage (8'), en particulier sous forme de balance à bande.
  3. Dispositif de production selon la revendication 1 ou 2, caractérisé en ce qu'au dispositif de détection (8) est associé un dispositif de séparation (17) pour les blocs (4).
  4. Dispositif de production selon la revendication 1, 2 ou 3, caractérisé en ce que le dispositif de détection (8) est intégré dans une section de transport (21), le dispositif de détection (8) et le dispositif de séparation (17) monté en amont de celui-ci présentant plusieurs moyens de transport (18-22) disposés les uns derrière les autres dans le sens du transport et un élément de mesure (20) au niveau d'un moyen de transport (21).
  5. Dispositif de production selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de séparation (17) présente deux moyens de transport (18, 19) présentant des hauteurs différentes et des vitesses différentes.
  6. Dispositif de production selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de détection (8) présente trois moyens de transport (20, 21, 22) réalisés sous forme de bandes transporteuses et commandés séparément les uns des autres, une cellule de pesage (23) étant disposée au niveau de la bande transporteuse centrale (21).
  7. Dispositif de production selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de production (1) présente un dispositif de mesure (24) de la taille des blocs ou d'une ou plusieurs dimensions caractéristiques des blocs.
  8. Dispositif de production selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif d'extrusion (2) présente une section de traitement (6) montée en aval de l'extrudeuse (5) dans le sens de production (15), la section de traitement (6) présentant un ou plusieurs dispositifs de pressage (13) agissant sur le tronçon extrudé (3), la commande (9) étant connectée au(x) dispositif(s) de pressage (13) en vue de réguler la densité.
  9. Dispositif de production selon l'une quelconque des revendications précédentes, caractérisé en ce que la commande (9) est connectée à l'extrudeuse (5) en vue de réguler la densité.
  10. Procédé de production de blocs (4) qui sont sectionnés à partir d'un tronçon extrudé (3), le tronçon extrudé en forme de barre (3) constitué de petits fragments végétaux mélangés avec un liant étant fabriqué par extrusion et étant avancé de manière intermittente, caractérisé en ce qu'après le sectionnement, le poids des blocs (4) est détecté et la densité du tronçon extrudé est régulée en fonction du résultat de la détection.
  11. Procédé selon la revendication 10, caractérisé en ce que les blocs (4) sont pesés individuellement ou par groupes, de préférence en continu.
  12. Procédé selon la revendication 10 ou 11, caractérisé en ce que les blocs (4) sont séparés après leur sectionnement, et ce en étant basculés.
  13. Procédé selon la revendication 10, 11 ou 12, caractérisé en ce que la taille des blocs ou une ou plusieurs dimensions caractéristiques des blocs sont détectées avec un dispositif de mesure (24).
  14. Procédé selon l'une quelconque des revendications 10 à 13, caractérisé en ce qu'une influence sur et une régulation de la densité du tronçon extrudé sont réalisées par le biais de la contre-pression d'extrusion.
  15. Procédé selon l'une quelconque des revendications 10 à 14, caractérisé en ce que pour influencer et réguler la densité du tronçon extrudé dans une section de traitement (6) disposée en aval d'une extrudeuse (5), des forces de pressage et des résistances de frottement agissant sur le tronçon extrudé (3) sont régulées.
EP10760284.9A 2009-09-11 2010-09-13 Dispositif de production et procédé de production Active EP2475503B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10760284T PL2475503T3 (pl) 2009-09-11 2010-09-13 Urządzenie produkcyjne i sposób produkcji

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009012239U DE202009012239U1 (de) 2009-09-11 2009-09-11 Produktionseinrichtung
PCT/EP2010/063347 WO2011029922A2 (fr) 2009-09-11 2010-09-13 Dispositif de production et procédé de production

Publications (2)

Publication Number Publication Date
EP2475503A2 EP2475503A2 (fr) 2012-07-18
EP2475503B1 true EP2475503B1 (fr) 2014-07-23

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EP10760284.9A Active EP2475503B1 (fr) 2009-09-11 2010-09-13 Dispositif de production et procédé de production

Country Status (6)

Country Link
EP (1) EP2475503B1 (fr)
DE (1) DE202009012239U1 (fr)
ES (1) ES2496744T3 (fr)
PL (1) PL2475503T3 (fr)
PT (1) PT2475503E (fr)
WO (1) WO2011029922A2 (fr)

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DE102016100390B4 (de) * 2016-01-12 2019-02-21 Pfeifer Holz Gmbh Verfahren und Vorrichtung zum Herstellen von Strangpressprodukten
DE102017103460A1 (de) * 2017-02-20 2018-08-23 Dieffenbacher GmbH Maschinen- und Anlagenbau Steuervorrichtung und -verfahren zum Dosieren eines Bindemittels, eine Einbringvorrichtung und -verfahren zum Einbringen eines Bindemittels in einen Materialstrom sowie ein System zur Herstellung von Werkstoffplatten
DE202020100117U1 (de) * 2020-01-10 2021-04-13 Pfeifer Holz Gmbh Strangpresseinrichtung und Strangpressprodukt

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US4363693A (en) * 1979-05-08 1982-12-14 Tokyo Electric Company, Ltd. Full-auto labeling system
DE3844192A1 (de) * 1988-12-29 1990-07-05 Karl Schedlbauer Verfahren und vorrichtung zur steuerung der verdichtung und/oder zur erzeugung einer hoeher verdichteten randzone mit verbesserter oberflaeche beim strangpressen von kleinteilen, insbesondere pflanzlichen kleinteilen mit bindemitteln
GB8914557D0 (en) * 1989-06-24 1989-08-16 Hughes Melville G Checkweighing method and apparatus
RU2041816C1 (ru) * 1992-06-10 1995-08-20 Михаил Васильевич Бирюков Способ изготовления профилированных прессованных изделий и устройство для его осуществления
US5990422A (en) 1996-10-18 1999-11-23 Shinko Denshi Company Limited Apparatus for measuring weight and length of article
DE10245285A1 (de) * 2002-09-27 2003-05-08 Karl Schedlbauer Verfahren und Vorrichtung zur Verringerung des Pressdruckes und zur Steuerung der Verdichtung beim Strang- und Strangrohrpressen
DE10245284A1 (de) * 2002-09-27 2003-04-10 Karl Schedlbauer Verfahren und Vorrichtung zum Strang- und Strangrohrpressen von Kleinteilen, insbesondere Holzkleinteilen, z.B. für Palettenklötze
DE202004017536U1 (de) 2004-11-11 2006-03-16 Anton Heggenstaller Ag Strangpresse für mit Bindemittel vermengte pflanzliche Kleinteile
EP1752268A3 (fr) 2005-08-10 2009-01-21 Karl Schedlbauer Méthode et appareil pour réaliser des cordons de densité egale et pour durcir des cordons en copeaux végétaux
DE102006037285A1 (de) 2006-08-09 2008-02-14 Karl Schedlbauer Verfahren und Vorrichtung zum Erzielen einer gleichhohen Strangdichte und zum Aushärten von Strängen aus pflanzlichen Kleinteilen
DE202006017826U1 (de) 2006-11-21 2008-03-27 Anton Heggenstaller Gmbh Strangpressanlage zum Herstellen von Strangpressprodukten

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PL2475503T3 (pl) 2014-11-28
PT2475503E (pt) 2014-09-03
WO2011029922A2 (fr) 2011-03-17
EP2475503A2 (fr) 2012-07-18
ES2496744T3 (es) 2014-09-19
WO2011029922A3 (fr) 2011-12-01
DE202009012239U1 (de) 2011-01-20

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