阅读说明：本技术 用于在成型带上散布料毡的设备和方法 (For taking the device and method for spreading material felt in molding ) 是由 K·普鲁托斯基 R·施威 于 2019-05-20 设计创作，主要内容包括：本发明涉及用于在设备下方的循环回转的成型带上散布料毡的设备,尤其是在由像纤维或刨花这样的可流动的材料生产材料板的过程中,其中,设备包括：-用于交付材料的上入口和用于将材料送出到成型带上的下出口,-横向于成型带的运输方向的至少一个分配辊子和至少一个散布辊子,-用于分部段地移除材料的卸料装置,其中,在卸料装置处横向于运输方向布置有多个尺寸可调整的开口,这些多个开口共同作用,以便将离开设备的材料借助运输装置对于通过开口穿过的材料进行分离。本发明尤其是在于,在卸料装置中布置有盖板和具有穿孔的多个滑动件,其中,为了调整开口的尺寸,盖板部分地覆盖穿孔,并且盖板和/或滑动件布置为借助至少一个致动器可移动。(The present invention relates to the moldings for the loop back below equipment to take the equipment for spreading material felt, especially during as material production material plate flowable as fiber or wood shavings, wherein, equipment includes :-for delivering the upper inlet of material and for material to be passed out to the lower outlet that molding takes, transverse at least one distribution roller and at least one distribution roller of the transporting direction of molding band, the device for discharging of material is removed for branch's section ground, wherein, the whole opening of multiple size adjustables is disposed with transverse to transporting direction at device for discharging, these multiple opening collective effects, so as to by leave the material of equipment by transport device for by be open across material separate.The present invention is especially, cover board and multiple sliding parts with perforation are disposed in device for discharging, wherein in order to adjust the size of opening, covers to deck portion perforation, and cover board and/or sliding part are arranged as moving by least one actuator.)

1. the equipment that one kind spreads material felt (11) on the molding band (12) of the loop back below equipment (10), described to set It is standby especially by being used during flowable material (1) production material plate as fiber or wood shavings, wherein the equipment (10) include:

Under for delivering the upper inlet of the material (1) and for passing out to the material (1) on the molding band (12) Outlet,

Transverse at least one distribution roller (14) and at least one dispersing roller of the transporting direction (13) of the molding band (12) Sub (15),

The device for discharging (2) of the material (1) is removed for branch's section ground, wherein at the device for discharging (2) transverse to The transporting direction (13) is disposed with the whole opening of multiple size adjustables (3), the multiple opening (3) collective effect, to incite somebody to action It is separated by the material (1) that the opening (3) passes through with the material (1) from the equipment (10) by transport device (21).

It is characterized in that,

It is disposed with cover board (4) in the device for discharging (2) and there are multiple sliding parts (5) of perforation (6), wherein in order to adjust The size of the whole opening (3), the cover board (4) partly cover the perforation (6), and the cover board and/or the cunning Moving part (5) is arranged as to move by least one actuator (17).

2. equipment as described in claim 1, which is characterized in that the falling direction (19) along the material (1), the cover board (4) lower end is arranged as the coboundary of the opening (3), and the perforation (6) of the sliding part (5) is arranged as described open The lower boundary of mouth (3).

3. equipment as claimed in claim 1 or 2, which is characterized in that in the case where the fixed cover board (4), in order to adjust The whole opening (3), the sliding part (5) and its perforation (6) be arranged to substantially against material flow direction advance with So that the opening (3) is become smaller, and can advance along the material flow direction so that the opening (3) becomes larger.

4. the equipment as described in one or more in preceding claims, which is characterized in that the cloth in the device for discharging (2) At least one nozzle (20) is equipped with, for pneumatically cleaning each sections of the device for discharging (2), the especially described opening (3) Each section.

5. the equipment as described in one or more in preceding claims, which is characterized in that the cover board (4), which equally has, wears Hole, and described perforate preferably is arranged so that with such size and substantially covers the moving region of the sliding part (5).

6. the equipment as described in one or more in preceding claims, which is characterized in that be disposed with relative to the opening (3) with the first cover board (4) opposite another cover board (4 '), wherein preferably, another cover board (4 ') discharges adjustable institute It states the region of opening (3) but covers other regions of the sliding part (5).

7. the equipment as described in one or more in preceding claims, which is characterized in that in order to adjust described opening (3) In Positioning or position in the equipment (10), the device for discharging (2) be it is active, be especially arranged as relative to the molding Band (12) height is adjustable.

8. one kind on the molding band (12) for the loop back being located at below the equipment (10) for spreading material (1) for spreading Expect the method for felt (11), especially by being used during flowable material (1) production material plate as fiber or wood shavings,

Wherein, the material (1) is directed in the equipment (10) by upper inlet, and under the material (1) is passed through In outlets direct to the molding band (12), and the material (1) is divided in the apparatus by distributing roller (14) Match, and take the molding to by least one distribution roller (15) and take,

Wherein, by being filled in the equipment (10) transverse to the discharging of the transporting direction (13) of the molding band (12) of circulation It sets (2) branch and removes the material (1) in this way to section, presented by the material (1) that the whole opening of multiple size adjustables (3) passes through Transport device (21) is sent to transport out of the equipment (10), which is characterized in that the device for discharging (2) it is adjustable described Opening (3) is by cover board (4) and there are multiple sliding parts (5) of perforation (6) to be formed, wherein passes through the cover board (4) and/or institute It states sliding part (5) to advance by least one actuator (17), the perforation (6) of the sliding part (5) is partly by described Cover board (4) covers so that the opening (3) becomes smaller.

9. the method as described in preceding claims, which is characterized in that the falling direction (19) along the material (1), the lid The lower end of plate (4) is arranged as the coboundary of the opening (3), and the perforation (6) of the sliding part (5) be arranged as it is described The lower boundary of opening (3).

10. method as described in any one of preceding claims, which is characterized in that described in order to adjust the opening (3) Sliding part (5) and its perforation (6) substantially advance against material flow direction so that the opening (3) becomes smaller, and along institute Material flow direction is stated to advance so that the opening (3) becomes larger.

11. method as described in any one of preceding claims, which is characterized in that used in the device for discharging (2) At least one nozzle (20), for pneumatically cleaning each section of the device for discharging (2), each portion of the especially described opening (3) Point.

12. method as described in any one of preceding claims, which is characterized in that the cover board (4) equally has perforation, And preferably it is arranged so that described perforate substantially covers the moving region of the sliding part (5) with such size.

13. method as described in any one of preceding claims, which is characterized in that be disposed with relative to the opening (3) Opposite another cover board (4 ') with the first cover board (4), wherein another cover board (4 ') discharges the adjustable opening (3) Region but cover the lower areas of the sliding part (5).

14. method as described in any one of preceding claims, which is characterized in that in order to adjust the opening (3) in institute State the positioning in equipment (10) or position, the device for discharging (2) be it is active, be especially arranged as relative to the molding band (12) height is adjustable.

15. method as described in any one of preceding claims, which is characterized in that will encounter on the device for discharging (2) The stream of material (1) be directed on the opening (3), so that the upper part away from the molding band of the stream is directed to In the opening (3), and according to the size of the opening (3), the lower area of the stream is stopped simultaneously by the sliding part (5) And it is guided downwards along the direction of the molding band (12).

Technical field

The present invention relates to it is as claimed in claim 1 it is as described in the preamble, for being formed during production material plate Take the equipment for spreading material felt.Moreover, it relates to which a kind of preamble according to claim 8 is used in molding band The upper method for spreading material felt.

Background technique

When from spreadable material production material plate, by particle or fibrous matter and it will be glued on molding band or conveyer belt Mixture made of agent is tied to spread into material felt.Then, after the pretreatment needed when necessary, backing strap is spread to this and is carried out Continuous or discontinuous compacting, the compacting can be carried out by pressure and/or heat.For example, MDF plate can be produced by this method (medium density fibre board (MDF)) or OSB plate (oriented wood chipboard or megaclast plate).Here, compacting is in most cases continuous with pressure It is carried out in power machine, continuously by the flexible-belt of circulation, especially steel band is transported to compacting with spreading backing strap in press machine at this Place.It is spread on backing strap in general, multiple press machine cylinders apply pressure by taking to, while spreading backing strap by heater plate.Mostly In number situation, it is disposed between band and press machine cylinder for reducing friction and for the rolling item of pressure propagation.

In decades to the basic challenge of the technology first is that the described molding band feeding felt (also referred to as " pressure pad " or " spread backing strap ") optimization production.Herein, it is preferred that emphasis is, weight per unit area is optimally kept as far as possible along width and length, To avoid spreading or to owe to spread.In the case where crossing distribution, unnecessary waste of material is produced for the producer, is being owed In the case where distribution, it is unable to reach the standard value of product.However, due to current raw material development and legal requirement, plate production Person thinks simultaneously, and material as few as possible is used in the case where characteristic remains unchanged.In addition to very accurate and uniform distribution In addition, there is also it is such a possibility that: it is (close along longitudinal direction and transversely to adjust in the material felt continuously moved forward density cloth type Spend distribution curve), to be for example able to produce with previously given high-density edges or coating (Beschlag) to be come Say light plate of material specially suitable, with more highdensity region.

By 0 069 162 B1, EP 0 230 483 of EP suitably for giving birth to known to B1 and 0 292 581 B1 of EP The method and apparatus for producing such material felt.All these publication something in common are: proportioning device and receive material felt at A device is disposed between type band, the material flow left from proportioning device is allocated in the apparatus and by suitable Machine element takes laying into material felt in molding.In addition, disclosing device for discharging in these devices, the device for discharging is in material felt Production during pointedly and by the width of the molding band of loop back adjustable cloth type make from material Material branch (separating) in stream, to reach the previously given density feature of material felt.Sometimes, device for discharging also has in this way A possibility that, to be quantitatively fed to the material of discharge at material felt, preferably it is fed at other positions or equably presents It send.

It demonstrates now, these devices and the method proposed are no longer able to and requirement of the manufacturing industry for plate of material It is adapted.

Summary of the invention

Task of the invention lies in the adjustability for the equipment for being modified to production material felt compared with the existing technology.At this Should especially be avoided in the extension of business, material to be removed gathered between the opening of device for discharging or mutually hinder and Especially make to adjust in the case and become difficult.

The present invention takes the equipment for spreading material felt from a kind of loop back molding for below equipment herein, should Equipment is in particular for during by the flowable material production material plate as fiber or wood shavings, wherein equipment includes using The lower outlet taken is formed, transverse to the transport of molding band in the upper inlet of delivery (feeding) material and for passing out to material At least one distribution roller and at least one in direction spread roller and remove unloading for material for branch's section (by part) Expect device, wherein be disposed with the whole multiple openings of size adjustable transverse to transporting direction at device for discharging, these openings are common Act on and (being effectively connected) so as to by by transport device by be open across material separate with the material from equipment (by fortune Defeated device by the material for leaving equipment for by be open across material separate).

The solution of the task of above equipment is, cover board is disposed in device for discharging and is disposed adjacently Multiple sliding parts with perforation, wherein in order to adjust the size of opening, cover to deck portion perforation, and cover board and/or Sliding part is arranged as to move by least one actuator.

Solution is based especially on such understanding: advantageously, adjustable opening becomes along the falling direction of material Greatly, thus preferably there is fixed coboundary, and amplify (expansions) Open Side Down the direction opening along molding band.Phase Instead, in order to make opening become smaller, lower boundary (boundary of the molding with side) moves upwardly off molding band.It is particularly preferred that opening Be arranged so as to encounter in a device on device for discharging or opening on material flow opening is encountered with upper part region, and material flow Lower area pari passu down along molding band direction deflect.

In an advantageous design structure, along the falling direction of material, the lower end of cover board is configured to the coboundary of opening, and And the perforation configuration of sliding part is the lower boundary of opening.Approach axis along material into device for discharging as a result, cover board, which is located at, to be slided Before moving part.

In another advantageous design structure, in the case where fixed cover board, in order to adjust opening, sliding part and its wear Hole is arranged as substantially advancing against material flow direction (i.e. from the top down, along the direction of molding band) so that opening in a device Reduce, and can advance (movement) along material flow direction and become larger so as to be open.

Alternatively or additionally, at least one nozzle is disposed in device for discharging, for pneumatically cleaning device for discharging Each section, each section being especially open.

The cover board is substituted, cover board can equally have perforation, and be preferably arranged as substantially covering in terms of its size and slide The moving region of moving part.Sliding part is substantially capped as a result, and the fouling between sliding part and cover board can be by opposite It is scraped off in mutual sliding.

Alternatively, it can be disposed with relative to another cover board opposite with the first cover board that be open, wherein preferably, this is another The region of (unlimited) the adjustable opening of cover board release, but cover other regions of sliding part.Cleaning effect can also be realized herein, Material in a device is stayed equipped with previously given whereabouts lower edge on the width of molding band and from device for discharging simultaneously Material is guided along the direction of molding band.It thus, will not be in the molding band of device for discharging as described in previously in relation to the prior art Generation is non-uniform at the lower end of side shelves edge (discharge edge).

Preferably, in order to adjust opening positioning in a device or position, device for discharging are movable.Particularly, discharging Device can also be arranged as height-adjustable relative to molding band thus.This is used for the type according to material or material blends And/or the adjusting of density.Meanwhile it will use the material blends of the enhancing of the regeneration timber with higher proportion, the material Material mixture can have another kind in a device to feed intake (throw throw) feature and assigned characteristics.Variation in terms of particle size distribution It is also possible that device for discharging must be arranged in another position by obtaining, or inclination of the adjustment device for discharging relative to distribution roller Degree.

Preferred dissemination apparatus or adjustment equipment can be equipped with the list for expecting felt at away from the previously given distance of equipment one The measuring device of position area weight or Density Distribution, and by the measurement result or explain that the adjusting of the measurement result is regular (adjusting algorithm), the position and/or sliding part/cover board position of equipment or device for discharging are changed relative to each other, so as to Reach previously given rated value.

A method of the molding for the loop back below the equipment for spreading material takes distribution material felt, special It is not by being used during flowable material production material plate as fiber or wood shavings, this method essentially consists in: material It is directed into equipment by upper inlet, and molding is directed by lower outlet and is taken, and material mainly passes through distribution Roller is allocated in a device, and is brought to molding by least one distribution roller and is taken, and wherein, by equipment In transverse to circulation molding band transporting direction device for discharging such branch section remove material, that is, can by multiple sizes The feed material that the opening of adjustment passes through is to transport device, for transporting from the device.

The present invention is this method: the adjustable opening of device for discharging is by cover board and multiple slidings with perforation Part is formed, wherein is covered by cover board to the perforated portion of sliding part and is become smaller so as to be open, covering is by cover board and/or sliding Part advances to realize by least one actuator relative to each other.

Preferably, here, along material falling direction, the lower end of cover board is used as the coboundary of opening, and is slided The perforation of part is used as the lower boundary of opening.

Here, it is particularly preferred that in order to adjust opening, sliding part and its perforation substantially against material flow direction it is mobile with So that opening is become smaller, and substantially moves along material flow direction so as to be open and become larger.

In order to avoid blocking, at least one nozzle can be used in device for discharging, for pneumatically cleaning each of device for discharging Partially, each section being especially open.

Alternatively, cover board can equally have perforation, and preferably with the use of such size, which allows substantially to cover Movement (movement) region of lid sliding part.

On the other hand, it can be disposed with relative to another cover board opposite with the first cover board that be open, wherein another cover board is released The region of adjustable opening is put, but covers the lower area of sliding part.

Alternatively or additionally, in order to adjust opening positioning in a device or position, device for discharging be it is movable, especially It is to be arranged as relative to molding band height being adjustable.

It particularly preferably provides, the material flow encountered on device for discharging is directed into opening in this way, i.e., makes material flow The upper part away from molding band be directed into opening, and keep the lower area of material flow inclined according to the size of opening Turn, such as is stopped and (being stopped) by sliding part and be guided downward along the direction of molding band.

It should be understood that without departing from the scope of the present invention, the feature that is mentioned above and following also to explain The feature released can be not only with the combination of respective description, but also other can combine or be used alone.

Detailed description of the invention

Hereinafter, the present invention is further described and illustrated by selected several embodiment combination attached drawings.

Attached drawing is shown:

Fig. 1 shows the longitudinal cross-section that equipment according to the present invention was cutd open along the transporting direction of molding band, and

Fig. 2 shows the enlarged diagrams of device for discharging.

Specific embodiment

It is schematically illustrated in Fig. 1 with the longitudinal cross-section that the transporting direction 13 along loop back molding band 12 cutd open equipment 10 Pass through production of the material flow and material felt 11 of the material 1 of the equipment on molding band 12.Material 1 passes through along falling direction 9 Upper opening is allocated (division) by least one distribution roller 14 in the device in a device and divides into equipment 10 Cloth, and by optionally rake (Rechen, scraper plate) 7 most Zhongdao, at least one is spread on roller 15, at least one dispersing roller Son sets aside to material 1 on (laying arrives) molding band 12.Optional rake 7 makes one for walking a part deflection of material Part passes through along direction of bowl or falling direction, so that previously given distribution can be carried out inside equipment.

It is disposed at least one device for discharging 2 in apparatus 10, which shows in Fig. 1 in one in equipment 10 In example property position, and it is described in detail in Fig. 2 by enlarged diagram.In apparatus 10, by falling direction 9 and/ Or distribution roller 14 forms different material flows, different material flows if possible then also can be and optionally harrowing 7 accordingly It is spread.If a part of present material 1 is encountered on device for discharging 2 as material flow, material flow is downward pari passu Along molding band 12 or spread the direction deflection of roller 15, as long as and be open and 3 be open, then another part passes through opening 3 and exists It is fed in device for discharging 2 at transport device 21, transport device 21 removes the material 1 left from equipment 10.As fortune Defeated device 21 is disposed with auger conveyor in the helicla flute 19 of capture material 1, along the axis 16 transverse to molding band 12 (not shown), the material 1 in the auger conveyor transporting threads slot.

According to an embodiment, opening 3 is formed by the perforation 6 in sliding part 5, and is covered by cover board 4, to adjust The size of opening 3.If largely opened on the width of equipment 10 or transverse to what the transporting direction 13 for forming band 12 was disposed with Change in terms of mouthfuls 3 (multiple openings 3) Yao Qi sizes, then there is the corresponding sliding part 5 of perforation 6 and/or belong to the opening Corresponding cover board 4 is mobile.The perforation more than 6 for the sliding part 5 that cover board 4 covers, then opening 3 is smaller.

According to attempting surprisingly, it was shown that when opening 3 constitutes (this two boards one by two blocks of different, moveable plates Rise formed it is adjustable opening 3) when, the adjustability of equipment 10 can significantly improve.

When opening 3 coboundary be mainly arranged in upcoming material 1 height on and only opening 3 lower boundary exist When being adjusted in terms of its height, then the adjustability is highlightedly ensured in operation, wherein the preferably only collision (punching of material 1 Hit) it is deflected at the lower boundary of opening 3, and along the direction of molding band 12.It thus avoids: encountering the material 1 of 3 top of opening Fall downwards and material 1 along by direction 8 by being interfered in the height of opening 3 or being even blocked.

In embodiment, the actuator 17 by interconnecting piece 18 (connection) at sliding part 5 is shown, to make sliding part 5 movements.By sliding part 5, upward movement becomes smaller opening 3 from below, and when sliding part 5 is downward by actuator 17 When movement, opening 3 also can accordingly become larger.

Can be disposed with another cover board 4 ' in another embodiment, cover board 4 ' cover the lower area of sliding part 5 and at the same time Material 2 is avoided to reach in the inside of device for discharging 2 (except helicla flute 19).This another piece of cover board 4 ' is also disposed at sliding part On 5 other side, so as not to provide (any) unnecessary friction point along the material of landing 1 at sliding part 5.

Air-blast atomizer 20 may be arranged inside device for discharging 2, to transport the material especially blocked 1 in equipment 1 back Or it transports in helicla flute 19.

Reference signs list:

1 material

2 devices for discharging

3 openings

4 cover boards

5 sliding parts

6 perforation

7 rakes

8 pass through direction

9 falling directions

10 equipment

11 material felts

12 molding bands

13 carriage directions

14 distribution rollers

15 spread roller

16 axis

17 actuators

18 interconnecting pieces 5/17

19 helicla flutes

20 nozzles

21 transporting equipments.