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WO2017207449A1 - Dispositif de distribution et procédé d'application continue d'un produit à répandre sur une courroie de moulage - Google Patents

Dispositif de distribution et procédé d'application continue d'un produit à répandre sur une courroie de moulage Download PDF

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Publication number
WO2017207449A1
WO2017207449A1 PCT/EP2017/062815 EP2017062815W WO2017207449A1 WO 2017207449 A1 WO2017207449 A1 WO 2017207449A1 EP 2017062815 W EP2017062815 W EP 2017062815W WO 2017207449 A1 WO2017207449 A1 WO 2017207449A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide
grit
guide element
forming belt
spreading
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.)
Ceased
Application number
PCT/EP2017/062815
Other languages
German (de)
English (en)
Inventor
Klaus Plutowsky
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 WO2017207449A1 publication Critical patent/WO2017207449A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • 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
    • B27N3/143—Orienting the particles or fibres
    • 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
    • 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

Definitions

  • the present invention relates to a spreader and a method for the continuous application of grit on a rotating forming belt and an arrangement for the continuous production of material plates.
  • This grit mat also referred to as fleece or particle mat
  • This grit mat is then fed to a possibly required pretreatment of a continuous or discontinuous pressing, which can be done by means of pressure and / or heat.
  • MDF medium density fiberboard
  • OSB Oriented Strand Boards
  • grit storage also called grit storage
  • Material is filled into the grit storage, from which it is then discharged again and scattered by means of a scattering device on the forming belt.
  • the grit storage on the one hand has the task to regulate the quantity of the feed of the grit to the spreader and on the other hand to even this.
  • To discharge the grit from the grit storage usually one or more Austragungswalze is used, which should solve the material as evenly as possible and perform the scattering.
  • the actual scattering is usually carried out by means of a scattering head, through which the scattered material discharged by the discharge roller is further separated and scattered as uniformly as possible on the forming belt. Usually is between
  • Austragungswalze and scattering head or the discharge roller downstream of a guide device (may also be referred to as deflecting device) is arranged, the the discharged spreading material in the direction of the scattering head or directs in the direction of the forming belt.
  • Object of the present invention is to ensure a uniform distribution of the material on the forming belt and so the quality of the produced
  • the present invention relates to a solution for this task, a scattering device for the continuous application of grit on a
  • a Austragungswalze for discharging the grit from a grit storage
  • a guide device arranged to pass the discharged spreading material between the discharge roller and the forming belt
  • the guide device is adjustably designed to act on a straightening inaccuracy and / or a transverse distribution of the discharged grit over a width of the forming belt.
  • the invention relates to an arrangement for
  • a grit storage for storing a supply of grit
  • a forming belt for feeding the spreading material to a compression; and a spreader as previously described.
  • the invention relates to a method for the continuous application of spreading material to a circulating forming belt, with the following steps:
  • the scattering device according to the invention is suitable for use in
  • the scattering device according to the invention is integrated in an arrangement or in a system for the continuous production of material plates.
  • grit is discharged by means of a discharge roller.
  • the discharged spreading material is then scattered onto a forming belt, by which it is fed to a compression.
  • a guide device is arranged downstream between the discharge roller and the forming belt or the discharge roller.
  • the guide device is designed to act on a spreading inaccuracy and / or a transverse distribution of the discharged grit over the width of the forming belt.
  • the spreading material discharged by the discharge roller impinges on the guide device for forwarding.
  • the guide device serves to guide and guide the continuous material flow of the grit discharged by the discharge roller.
  • the guide device according to the invention is designed so that not only a passive or constant guidance or forwarding of the grit takes place, but that its distribution can be changed during the transfer changed.
  • the guide device is designed to be adjustable. By adjusting the guide can be acted on a Streiningaumaschine and / or transverse distribution of the discharged grit. The spreading inaccuracy and / or the transverse distribution can be influenced.
  • the distribution of the transverse distribution is understood to be, in particular, the distribution of the
  • the lateral distribution describes the amount of material per section of the section
  • the amount of material per broad section of the forming belt corresponds to the amount of material per respective length of the guide device or is at least proportional to this in the case of an angled arrangement. It can therefore be turned off on the amount of the passing or forwarded by the guide grit per length and per unit time.
  • both length section (or width section) and time unit can in principle be chosen arbitrarily small.
  • the straightening inaccuracy can be influenced.
  • the amount of grit per gram is understood as the straightening inaccuracy
  • a high straightening accuracy causes a balanced amount of spreading material per unit area of the forming belt. It is understood that there is a conceptual overlap between the transverse distribution and the straightening inaccuracy.
  • the scattering device according to the invention allows to compensate for inaccuracies and in particular constant deviations from an intended uniform distribution of the discharged material over the width of the forming belt.
  • Reasons for such inaccuracies or deviations can be, for example, manufacturing tolerances in the production of the Austragungswalze, their location, their drive and / or the other components of the Streugut ideass or scattering head, etc. Other reasons may also arise from material fatigue phenomena or thermal effects during prolonged operation of a corresponding system. Due to the adjustability of
  • Uniformity of the amount of discharged material across the width of the forming belt is achieved so that the quality of the produced material plates is improved, in particular with regard to the stability as well as with respect to the optics.
  • the guide device comprises a substantially planar guide element with a smooth surface facing the discharge roller and a frame element for fastening the guide element; and the guide element is designed to guide the grit along the smooth surface in the direction of the forming belt.
  • the spreading material discharged from the discharge roller strikes a surface of the guide member which is formed so that the discharged material can slide along it to be scattered on the forming belt.
  • the guide element can be designed, for example, as a baffle.
  • the guide element is held by a frame element.
  • the frame member is used for attachment to the other components of the scattering device or arrangement and is firmly connected to the other components.
  • the guide element and the frame element with respect to each other are movable or flexible and thus allow a degree of freedom for influencing the grit flow along the surface of the guide element.
  • Advantageous to the use of a guide element with a smooth surface are in particular the simple and efficient manufacturability and the resulting possibilities for acting on the transverse distribution of the discharged material.
  • the guide element can be rotated relative to the frame element about a rotation axis. This can affect its inclination.
  • the change in the inclination of the baffle corresponds to a change in the angle at which the material discharged from the discharge roller impacts the baffle.
  • the appearance or impact angle can be adjusted, which corresponds to a change in the braking force acting on the guide element upon impact of the grit.
  • the guide device for adjusting the inclination of the guide element at least one connecting element for adjustably setting a distance between a first spaced from the axis of rotation
  • connection point on the frame member and a second spaced from the axis of rotation connection point on the guide element connects a first connection point to the frame element and a second connection point to the guide element and allows a change or adjustment of the distance between the two points. Both connection points are arranged at a distance from the axis of rotation. By changing the distance between the two connection points, a rotation of the guide element relative to the frame element, ie a change in the inclination of the guide element, causes.
  • the mechanically simple construction allows thereby acting on the
  • the guide device comprises a tilt reactor element for automatically adjusting the inclination of the guide element.
  • the inclination can be changed automatically by a corresponding actuator.
  • This Neigeaktorelement can be designed for example as a motor, in particular as a servomotor. By using a tilt reactor element, automated adjustability is achieved. This can be done efficiently on occurring
  • the guide element is formed deformable
  • the guide device comprises an actuating element for deforming the guide element by a force acting on the guide element in a control point actuating force; and the control point is preferably arranged in the surface of the guide element.
  • the surface of the guide element, which faces the impinging material is variable in shape. This change in the shape of the guide element can be achieved by an actuating element by which a force is exerted on the guide element in a control point.
  • the control point is usually in the surface of the planar guide element.
  • the guide device comprises a plurality of adjusting elements for deforming the guide element by adjusting forces exerted on the guide element in a plurality of setting points.
  • the plurality of control points lie in a line in the surface of the guide element, which is parallel to the Austragungswalze and / or parallel to a conveying direction of the forming belt runs; or in two parallel lines in the surface of the guide element, which run parallel to the discharge roller and / or parallel to a conveying direction of the press belt.
  • the adjusting element is designed as a set screw, which with a set screw for exerting a force perpendicular to the surface of the
  • Leitelements cooperates; and / or includes the guide device
  • Stellaktorelement for automated exercise of the actuating force on the actuator.
  • a pressure is exerted on the surface of the guide element.
  • the pressure causes the guide element or its surface facing the impinging material to be deformed. This results in an easily realizable and adjustable with high accuracy adjustment.
  • Advantage of using a set screw is the ease of manufacture and ease of adjustment. It is understood that a plurality of adjusting elements can be configured as set screws. Automation can be achieved through the use of a Stellaktorelements for controllable power.
  • the advantage of using a Stellaktorelements is that no manual interaction of a machine operator or the operator of the system is required.
  • the guide device is designed to set a distance between the guide element and the discharge roller.
  • the guide element is formed substantially rectangular and aligned parallel to the Austragungswalze.
  • baffle usually chosen so that the longer side the rectangle substantially corresponds to the length of the Austragungswalze.
  • the longitudinal axis of the guide is aligned parallel to the Austragungswalze.
  • the Austragungswalze is aligned orthogonal to a conveying direction of the forming belt.
  • the discharge roller and conveying direction of the forming belt are arranged at a right angle to each other.
  • the axis of rotation of the guide element is aligned parallel thereto.
  • the scattering device comprises a spreading head arranged between the guide device and the forming belt for separating and scattering the spreading material onto the forming belt.
  • a spreading head arranged between the guide device and the forming belt for separating and scattering the spreading material onto the forming belt.
  • the arrangement further comprises a
  • a sensor device for determining a measured value which represents the spreading inaccuracy and / or transverse distribution of the discharged grit over a width of the forming belt; and a display device for displaying the measured value or a control device for controlling the setting of the guide device based on the measured value.
  • a camera or other suitable device may be used as the sensor device.
  • Radiographic devices for determining the basis weight can serve as input for a control device.
  • the control device By the control device, the setting of the guide is made automatically, so that there is a control loop. If it is determined on the basis of the measured value that there is a deviation from a uniform distribution in the discharged spreading material, this deviation is corrected by means of the inventively adjustable spreading device.
  • the measured value it is also possible that the measured value to a machine operator or the
  • the method according to the invention for the continuous application of spreading material to a circulating forming belt can be used in particular as an operating method in a plant for the production of material plates are used, but also operated independently.
  • a teaching of the invention that can be used by the discharge of the opposite sheet metal for reversing the direction of the scattering material in a simple and subtle way to redistribute the spreading material transverse to the Formbanderstreckung without interfering too much in the moving bulk material. It has surprisingly been found that by adjusting a bending line on the guide element, the spreading material distribution can be changed and adjusted.
  • three-dimensional bending shapes can be set on a relatively elastic baffle with simple means.
  • a kind of checkerboard pattern is particularly preferably provided at force introduction points in the guide plate, which can be acted upon manually or preferably automatically with positive or negative forces.
  • Control device now possible to respond to a changed scattering behavior of the arrangement, without directly in the course of a plant stop in a
  • Fig. 1 is a schematic side view of an arrangement for continuous
  • FIG. 2 is an enlarged schematic sectional view according to another
  • Fig. 3 is a schematic plan view of a guide device for use in a scattering device according to another aspect of the present invention
  • Fig. 4 is a further schematic representation of a guide device for
  • Fig. 5 is a schematic side view of an arrangement for continuous
  • Fig. 6 is a further schematic representation of a guide device for
  • the arrangement 10 comprises a grit storage 12 for storing a supply of grit 14.
  • the assembly 10 further comprises a forming belt 16 through which the grit 14 is fed to a crimping in a continuous or discontinuous press (not shown).
  • the arrangement 10 comprises an optional
  • Formband 16 It can be realized with the grit storage 12 and a direct scattering on the forming belt 16, wherein the indirect scattering with a matched to the grit 14 scattering head are preferred.
  • the stock filter 12 serves to buffer glued material, referred to herein as stock 14.
  • the grit storage 12 may also be referred to as a dosing bunker or material bunker.
  • the filling of the grit storage 12 is usually via a corresponding conveyor system from above (not shown).
  • the grit 14 is conveyed in the illustrated exemplary embodiment by means of a conveyor 20 in the direction of a Austragungswalze 22.
  • the Austragungswalze 22 causes a Separation and discharge of the material in the direction of a guide device 24 for forwarding the material in the direction of the forming belt 16.
  • a scattering head 26 may be provided. This scattering head 26 causes a further separation of the discharged grit 14 and a distribution along an axis which extends parallel to the conveying direction of the forming belt 16. The use of a scattering head 26 is required only in some applications.
  • the forming belt 16 extends under the scattering device 18 or a scattering head 26 in the direction shown and promotes the scattered spreading material 14 in the conveying direction 52 of a press (not shown).
  • the Austragungswalze 22 (also referred to as a knock-off roller) is formed along a central longitudinal axis 23 or rotation axis with a predetermined diameter and a length, wherein the length is usually the width of the on the
  • Forming strip to be applied grit mat 15 corresponds. Usually that is
  • the discharge roller 22 rotates in the direction shown for knocking off the grit 14.
  • For knocking or discharging and for the separation and material transport of the grit 14 are usually over the surface of the Austragungswalze 22 protruding extensions, due to the rotation of the Austragungswalze 22 continuously with the grit 14 in the
  • Austragungswalze 22 due to their structure, due to a material defect such as a broken extension or due to thermal distortion or aging effects at a point constantly cut off too much or too little material and discharged. It is also possible that changes in the grit storage or in other components or other effects lead to uneven material removal by the discharge roller 22. Such uneven spreading material densities can in turn lead to an uneven distribution of material on the forming belt 16. Such irregularities can be maintained even after compression and optical
  • the present invention allows to counteract such uneven distribution.
  • the guiding device 24 which is designed to forward the discharged grit 14.
  • the guiding device 24 is designed to be adjustable in order to improve the scattering insofar as it is suitable for acting on a transverse distribution of the discharged material and / or on a straightening accuracy adjustable.
  • the transverse distribution means a distribution along an axis perpendicular to the plane of representation or parallel to the axis of rotation of the discharge roller 22.
  • the term transverse distribution is therefore to be understood as a distribution across the width 17 of the forming belt 16.
  • the transverse distribution refers to the amount of material per width section of the forming belt 16.
  • the adjustable guide device 24 according to the invention allows uneven
  • Material amounts over the width of the guide 24 compensate and thus counteract an uneven distribution of the grit on the forming belt 16.
  • the assembly 10 further includes a sensor device 28, which is configured as a camera to monitor the scattering on the forming belt 16. Based on the measured value of the sensor arrangement can then be determined by the guide device 24 influencing the transverse distribution can be determined. This adjustment of the guide 24 can be automated or manually made by operators. It is understood that other sensor principles can be used.
  • the scattering device 18 comprises a guide device 24, which in the illustrated embodiment comprises a substantially flat guide element 30 with a smooth surface 32.
  • the grit 14 can slide off and be forwarded in the direction of the forming belt.
  • This smooth surface 32 faces the Austragungswalze 22 and the impinging grit 14.
  • the guide element 30 may be formed in particular of sheet metal as a guide plate. This sheet has a surface 32 which has only a slight friction with respect to the spreading material 14, so that the spreading material 14 can slide off without residue and can be passed on.
  • the smooth surface 32 of the guide element 30 preferably extends over the entire length of the discharge roller 22 or width 17 of the forming belt 16, so that the entire discharged material can slide on the smooth surface 32 and be deflected by this or influenced in its distribution.
  • the guide element 30 is connected via a frame member 34 with the system.
  • the frame member 34 causes the position and orientation of the guide member 30 to be changed from the discharge roller 22.
  • the frame member 34 is as a fixed connection for attachment of the guide device 24 to the other components of the scattering device and the arrangement for the production of
  • a support 36 of the guide element 30 is provided for stabilizing the guide element 30 and for connection to the frame member 34.
  • the angle at which the grit 14 discharged by the discharge roller 22 impinges on the smooth surface 32 of the guide element 30 changes.
  • a relatively steep impact angle can cause a higher mixing of the discharged material in both the longitudinal and in the transverse direction (corresponds to an axis perpendicular to the plane of representation) is achieved.
  • the guide element 30 is rotatably connected to the frame element with respect to an axis of rotation.
  • the axis of rotation is usually arranged parallel to the axis of rotation of the Austragungswalze 22, so that a uniform influence of the discharged material or the flow of material can be made over its entire width. In most cases, the axis of rotation is aligned parallel to the conveying direction of the forming belt.
  • Constructions are conceivable in which a rotation about the axis of rotation can take place without the guide element 30 is mounted in the axis of rotation.
  • corresponding linear drives are conceivable that rotate the guide element 30 about an axis.
  • the inclination of the guide element 30 is changed and adjusted by means of a connecting element 40, which connects a first connection point 42 on the frame element 34 to a second connection point 44 on the guide element 30 or on the holder 36.
  • both connection points 42, 44 are arranged in a plane perpendicular to the axis of rotation 38.
  • the connecting element 40 is designed to make a distance between the first connection point 42 and the second connection point 44 variable. By changing this distance, a rotation of the guide element 30 about the axis of rotation 38 and thus a change in the inclination of the guide element 30 is effected.
  • the change in the distance can be done for example by means of a rotary thread and a screw engaging therein.
  • a rigid connecting element 40 in one of the two connection points 42, 44 can be fixed by a clamping device, for example by means of a clamping screw. Other options for determining the distance between the two connection points 42, 44 are conceivable.
  • This tilt reactor element 46 can act, for example, as a rotary motor or preferably as a servomotor in the region of the mounting of the guide element 30 on the frame element 34, ie directly on the axis of rotation 38.
  • the tilt reactor element 46 allows the tilt adjustment to be automated. It is understood that other positions of the tilt reactor element 46, for example, on the connecting element 40 or in the form of an embodiment of the connecting element as a hydraulic cylinder, are conceivable.
  • Another possibility for acting on the transverse distribution of the grit is a change in the distance between the guide 24 and the
  • Frame element 34 can be achieved, resulting in a shift of the
  • Guide element 30 parallel to the conveying direction 52 of the forming belt 16 and perpendicular to the Austragungswalze 22 results, as indicated schematically by the arrow.
  • a change in the distance between the guide device 24 and the discharge roller 22 also causes a change in the impact angle of the impinging grit on the surface 32 of the guide element 30, whereby, as described above, it can be achieved that the distribution of the incident material parts in all directions is made uniform. It is understood that other mechanisms and
  • FIG. 3 shows a schematic sectional illustration of the guide device 24 in the region of the guide element 30 in plan view.
  • this is shown "behind" the guide 24, even if according to the embodiment between the guide 24 and the forming belt 16 still a scattering head 26 can be arranged.
  • deformability of the guide element 30 embodied as a guide plate is illustrated .. Deformation can take place by means of a plurality of setting elements 48. A setting force is exerted on the guide element 30 by the setting elements in a plurality of setting points 50.
  • the actuating force acts perpendicular to the surface
  • the guide element 30 deforms or bends due to the acting actuating forces, thereby achieving that the surface 32 of the guide element 30, which faces the impinging, discharged spreading material, can be deformed.
  • FIG. 3 shows for clarity a pronounced deformation of the guide element 30, whereas real deformations take place to a much lesser extent. Due to the deformation of the surface 32 can be acted on the transverse distribution of the forwarded grit. If, for example, an increased material density is present in a region of the forming belt 16, this can be influenced or corrected by a deformation of the corresponding location of the surface 32 of the guide element 30.
  • the adjusting elements 48 are arranged in the illustrated embodiment in a line or row parallel to the axis of rotation of the Austragungswalze or transversely to the conveying direction of the forming belt.
  • the adjusting elements 48 are preferably designed as adjusting screws, which engage in corresponding threads, so that the adjusting force can be exerted on the guide element 30 by a rotation.
  • Embodiment are the corresponding threads in the holder 36th
  • control elements For exercising the actuating force nine control elements are shown in the example shown, which are arranged in a row. It is understood that other arrangements and numbers are possible.
  • the arrangement of the adjusting elements with respect to the surface of the guide element 30 is variable. Also variable are the control elements with respect to the type of force.
  • the adjusting elements 48 can be fixed by means of a clamping device in a specific deflection position.
  • the force can be exercised via adjusting thread in the frame member. Further constructive realizations are conceivable. It is also possible that the actuating force is exerted by means of an automated Stellaktorelements that allows an automated deformation of the guide element 30.
  • FIG. 4 shows a schematic plan view of the guide device 24 in the region of the guide element 30. In dashed line is the position of the
  • Presentation level is located. On the guide element 30, a force is exerted by means of the adjusting elements 48.
  • the adjusting elements 48 In the illustrated embodiment are eighteen actuators 48 and control points in two parallel lines, each with nine
  • Control points arranged in the surface of the guide element 30 are also parallel to the Austragungswalze and parallel to a
  • Guide device 24 is suitable by the adjustment of the guide element the
  • the Austragungswalze 22 carries the grit 14 from the grit storage 12 such that it impinges at a predetermined speed on the baffle respectively the guide element 30 of the guide 24 and is deflected there. If now the guide element 30 is moved from a first position (solid line) to a second position (dashed line), the entry region of the scattering material 14 on the scattering head 26 changes.
  • the scattering head itself is not labeled any further and can be of a very different design. In the present example is found in the direction of the scattered material 14 am
  • Rotation direction of the classifying rollers can be switched.
  • the spreading material 14 is transferred to the spreading head 26 in the first position, the material is fed into the left region in the case of a levorotatory classifying device and sprinkled with the left-hand group of rolls. If the direction of rotation of the classifier reversed, the material is transported from the left feed point to the right, the smaller material immediately falls through and the larger material is applied to the right group of rollers and sprinkled onto the forming belt. If the position of the guide element 30 in the second position is changed, the material is rapidly transferred to the right-hand group of rollers for scattering on the forming belt 16. If an alternative scattering desired, by reversing the direction of rotation of the upper roller group in the scattering head again the entire scattering behavior of the scattering head can be changed and adjusted. Thus, it is also possible according to the invention to vary the task range of the material to be spread on the scattering head and to significantly change its scattering behavior.
  • an alternative grit storage 12 is shown with a plurality of discharge rollers 22, the plurality of outlet openings formed therebetween, the grit 14 for reversing direction against the surface 32 of a guide element 30 of Promote guide device 24.
  • the guide element 30 is variable in its position or shape.
  • 50 control elements 48 engage at control points, which can bend the surface 32 or the guide element or change its position.
  • a kind of checkerboard pattern is preferably arranged on actuators or adjustment points 50 in order to be able to set any necessary bending / position of the guide element 30.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

La présente invention concerne un dispositif de distribution (18) pour l'application continue d'un produit à répandre (14) sur une courroie de moulage (16) qui tourne, comprenant : un rouleau de décharge (22) permettant la décharge du produit à répandre provenant d'un réservoir de produit (12) ; et un dispositif de retransmission (24) destiné au transfert du produit à répandre (14) déchargé entre le rouleau de décharge (22) et la courroie de moulage (16), le dispositif de retransmission (24) étant réglé pour agir avec une précision de distribution et/ou une répartition transversale du produit à répandre (14) déchargé sur une largeur (17) de la courroie de moulage (16). La présente invention concerne un procédé de distribution continue du produit à répandre (14) sur une courroie de moulage (16) qui tourne, ainsi qu'un dispositif (10) destiné à la fabrication continue de panneaux de matière première.
PCT/EP2017/062815 2016-05-31 2017-05-27 Dispositif de distribution et procédé d'application continue d'un produit à répandre sur une courroie de moulage Ceased WO2017207449A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016110073.0 2016-05-31
DE102016110073.0A DE102016110073A1 (de) 2016-05-31 2016-05-31 Streuvorrichtung und Verfahren zum kontinuierlichen Aufbringen von Streugut auf ein Formband

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Publication Number Publication Date
WO2017207449A1 true WO2017207449A1 (fr) 2017-12-07

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PCT/EP2017/062815 Ceased WO2017207449A1 (fr) 2016-05-31 2017-05-27 Dispositif de distribution et procédé d'application continue d'un produit à répandre sur une courroie de moulage

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CN (2) CN107443539A (fr)
DE (1) DE102016110073A1 (fr)
WO (1) WO2017207449A1 (fr)

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DE102017130159B4 (de) * 2017-12-15 2019-09-05 Dieffenbacher GmbH Maschinen- und Anlagenbau Entsorgung unverpressten Materials in einer Presse zum kontinuierlichen Herstellen von Werkstoffplatten
DE102018107354A1 (de) * 2018-03-28 2019-10-02 Siempelkamp Maschinen- Und Anlagenbau Gmbh Streuvorrichtung
CN109465943A (zh) * 2018-12-24 2019-03-15 上海人造板机器厂有限公司 一种铺装下料挡板装置及包括有该机构的铺装机

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB824146A (en) * 1957-11-04 1959-11-25 Abitibi Power & Paper Co Disperser feed device
US3282767A (en) * 1962-04-16 1966-11-01 Metallwerk Bahre K G Method and apparatus for the production of particle board panels
CA1176423A (fr) * 1982-09-23 1984-10-23 Robert M. Knudson Dispositif d'etalage en natte de la fibre de bois
DE10206595A1 (de) 2002-02-15 2003-08-28 Dieffenbacher Gmbh Maschf Streustation zum homogenen Streuen von beleimten Streugütern insbesondere Holzspänen
EP1747865A2 (fr) * 2005-07-25 2007-01-31 Dieffenbacher GmbH & Co. KG Méthode et dispositif pour la fabrication de panneaux lignocellulosiques
DE102010001649A1 (de) * 2010-02-05 2011-08-11 Dieffenbacher GmbH + Co. KG, 75031 Verfahren und Anlage zur Herstellung einer Streugutmatte aus zumindest einer gestreuten Schicht und eine Streugutmatte zur Verpressung in einer Presse im Zuge der Herstellung von Holzwerkstoffplatten (L)

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB824146A (en) * 1957-11-04 1959-11-25 Abitibi Power & Paper Co Disperser feed device
US3282767A (en) * 1962-04-16 1966-11-01 Metallwerk Bahre K G Method and apparatus for the production of particle board panels
CA1176423A (fr) * 1982-09-23 1984-10-23 Robert M. Knudson Dispositif d'etalage en natte de la fibre de bois
DE10206595A1 (de) 2002-02-15 2003-08-28 Dieffenbacher Gmbh Maschf Streustation zum homogenen Streuen von beleimten Streugütern insbesondere Holzspänen
EP1747865A2 (fr) * 2005-07-25 2007-01-31 Dieffenbacher GmbH & Co. KG Méthode et dispositif pour la fabrication de panneaux lignocellulosiques
DE102010001649A1 (de) * 2010-02-05 2011-08-11 Dieffenbacher GmbH + Co. KG, 75031 Verfahren und Anlage zur Herstellung einer Streugutmatte aus zumindest einer gestreuten Schicht und eine Streugutmatte zur Verpressung in einer Presse im Zuge der Herstellung von Holzwerkstoffplatten (L)

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