EP2922671A1 - Fallschachtanordnung mit zweifacher reinigungseinrichtung, insbesondere für eine vorrichtung zur beleimung von partikeln im zuge der herstellung von werkstoffplatten - Google Patents
Fallschachtanordnung mit zweifacher reinigungseinrichtung, insbesondere für eine vorrichtung zur beleimung von partikeln im zuge der herstellung von werkstoffplattenInfo
- Publication number
- EP2922671A1 EP2922671A1 EP13798622.0A EP13798622A EP2922671A1 EP 2922671 A1 EP2922671 A1 EP 2922671A1 EP 13798622 A EP13798622 A EP 13798622A EP 2922671 A1 EP2922671 A1 EP 2922671A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chute
- wall
- scraper
- guide
- arrangement
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 89
- 239000002245 particle Substances 0.000 title claims abstract description 46
- 238000004026 adhesive bonding Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title description 7
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 description 17
- 239000007787 solid Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 7
- 239000000654 additive Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000005496 tempering Methods 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- HANVTCGOAROXMV-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine;urea Chemical compound O=C.NC(N)=O.NC1=NC(N)=NC(N)=N1 HANVTCGOAROXMV-UHFFFAOYSA-N 0.000 description 2
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000077 insect repellent Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/50—Cleaning by methods involving the use of tools involving cleaning of the cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/50—Cleaning by methods involving the use of tools involving cleaning of the cleaning members
- B08B1/52—Cleaning by methods involving the use of tools involving cleaning of the cleaning members using fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/50—Cleaning by methods involving the use of tools involving cleaning of the cleaning members
- B08B1/54—Cleaning by methods involving the use of tools involving cleaning of the cleaning members using mechanical tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
Definitions
- the present invention relates to a drop shaft assembly according to the preamble of claim 1.
- Produced binder forces producers to develop more and more efficient processes. Particular emphasis is particularly low
- binder is understood to mean a so-called adhesive liquor which consists of an adhesive in its main component.
- adhesive liquor which consists of an adhesive in its main component.
- Insect repellents and fungicides and other additives added. It is also common to use the adhesive without additives.
- binders without any claim to completeness: isocyanates, MDI, melamine urea formaldehyde (MUF), urea formaldehyde (UF), MUPF or PF.
- the gluing is typically carried out such that the grit or the particles are introduced by means of a metering device in a chute and by means of nozzles which are arranged in the chute or this upstream, with the
- Binders is acted upon or become.
- the glued spreading material is usually treated in a chute downstream drum with rotating conveyor tools (mechanical mixer) and / or glued on and then sprinkled to a grit mat and then promptly before
- the grit may be introduced directly into a spreader without passing through a mechanical mixer to sprinkle the grit mat and then crimp.
- Such a device is known for example from DE 10 2010 064 339 A1.
- binders and particles glued to the binder may accumulate on the inner wall of the chute so that the chute tends to become soiled. This makes it necessary to clean the chute regularly. For this, the plant usually has to be shut down, which brings with it a corresponding loss of production.
- the spatulas are firmly attached to a support structure consisting of an upper ring and a lower ring.
- the upper ring is connected to a toothed ring with internal teeth, which is driven by a pinion and a motor.
- the doctor blades strip in a rotational motion about a vertical axis
- Inner wall of the rotationally symmetrical chute Although it can be prevented in this way that form larger deposits on the inner wall of the chute, but at the price that new elements and surfaces are introduced into the chute with the doctor blades, which in turn soil and on which solid deposits can form. So it can happen, especially in large plants, that on the
- Schaberklingen can form caking, which weigh up to 50 kg and can fall off in a lump, which can lead to damage of the mixer and / or the subsequent machines.
- Adhesive ability of the injected chemical components, especially of thermosetting adhesives should reduce.
- a chute arrangement is specified, in particular for a device for gluing particles which at least partially consist of fibers and / or chips suitable for producing material plates, wherein the chute arrangement has a chute which has an inlet for feeding the particles and an outlet for delivering the particles, at least one first cleaning device for cleaning at least one inner wall of the chute and at least one second cleaning device for cleaning the at least one first cleaning device. While the first cleaning device allows the inner wall or the
- the first cleaning device can be designed as at least one movable support element which is arranged to be movable relative to an associated first inner wall of the chute relatively, in particular parallel, wherein at least a first stripping element is arranged or formed on the movable support element, such stripped assigned inner wall when the movable support element is moved.
- the movable support member may be arranged to pass through a gap formed between two adjacent inner walls or between two ends of an inner wall.
- the support member simultaneously represents a partial wall of the chute or an inner wall of the chute.
- the movable support member may be formed as a wall, with a height corresponding to the stripped height of the associated inner wall.
- the movable support member may be formed resiliently.
- the second cleaning device may in particular at least a second
- the second stripping element on a wall or a
- the movable support element may be a wall element of the chute which forms an inner wall of the chute.
- the chute may have a plurality of wall elements, which are each formed arcuate, wherein each wall element partially overlaps another wall element on the outside thereof.
- the first cleaning device may have at least one first scraper associated with the at least one inner wall
- the second cleaning device may include at least one second scraper and drive means for moving the second scraper from one
- the first cleaning device can have at least one first scraper, and drive means for moving the first scraper from a rest position along an axis substantially parallel to the at least one inner wall, in this way, the first inner wall
- the second cleaning means may comprise at least a second scraper and drive means for moving the second scraper of a
- Cleaning device at least one flexible scraper element, in particular an endless scraper, for cleaning the at least one inner wall.
- a flexible stripping element has the advantageous effect that the stripping element can easily adapt to different shapes of the chute.
- the drop shaft arrangement may in particular further comprise a first guide device and a second guide device, wherein the first guide device and the second guide device are set up, the at least one
- the first and / or the second guide means comprises: a plurality of guide means, in particular guide rollers or guide gears, and an endless guide element, in particular an endless guide cable, an endless guide belt, an endless guide wire or an endless guide chain, which or which circulates the guide means wherein the at least one flexible stripping element is attached directly or via holding means and / or deflection means to the endless guide element.
- a rope or a wire has the advantage that this or this can be very varied in structure and already unprocessed has a rough surface, which is particularly suitable for cleaning.
- both have a relatively small surface, which effectively precludes the formation of large adhesions.
- a rope due to its high flexibility, a rope has relatively high self-cleaning characteristics and is also easy to clean.
- the endless stripping element can be arranged by means of deflecting means to enclose a wall element of the chute which has at least one inner wall.
- the endless scraper element can also be arranged so that it is arranged running in the region of the inner wall within the chute.
- the endless scraper element When the endless scraper element is disposed to extend within the chute, two portions of the endless scraper element are located adjacent the inner wall so as to provide a double stripping action by the endless scraper element.
- Drive means may preferably be provided which are set up to set the at least one flexible stripping element into a reciprocating movement in the direction of the longitudinal extension of the stripping element.
- the reciprocating movement of the scraper element which can be in particular an oscillating movement, the stripping effect, which the scraper element on the inner wall or deposits, which adhere to the inner wall, can be improved.
- two winding devices are further provided, wherein the flexible stripping element is connected to the winding means to from the
- Winding devices can be wound and unwound.
- drive means which are adapted to put the endless stripping element in a circumferential movement.
- the at least one endless stripping element may extend adjacent the at least one inner wall of the chute in a substantially horizontal direction.
- the at least one endless scraper element can also extend adjacent to the at least one inner wall of the chute in a substantially vertical direction and / or extend correspondingly to a shape of the chute in the vertical direction.
- clamping means which are arranged so on the first guide means and / or the second guide means and / or the at least to act a scraper, that the at least one scraper element is kept under tension.
- the stripping element can be guided past the second cleaning device or guided through the second cleaning device.
- the second cleaning device can also be designed as a fluid bath, a brush, a wiper edge, or a stripping cylinder.
- the second cleaning device can be configured as an obstacle arranged or insertable in the travel path of the at least one stripping element.
- the insertable obstacle may in particular be arranged in a wall of the chute having the at least one inner wall, wherein the engageable obstacle projects between a first position in which the obstacle protrudes from the inner wall in the direction of the interior of the chute, and a second position in which Obstacle does not protrude beyond the inner wall towards the interior of the chute, is adjustable.
- the first stripping element and / or the second stripping element and / or the scraper can be designed as a spatula blade, as a spatula, or as a rod, in particular a round rod.
- the first stripping element and / or the second stripping element and / or the flexible stripping element can also be designed as a rope, in particular a wire rope, as a wire, as a band or as a chain.
- a rod in particular a round rod, a rope, a wire or a band has a comparatively small surface area, the likelihood that larger solid adhesions form on it is reduced.
- the chute is tapered in the direction of the particle from top to bottom in cross section.
- the chute can be cylindrical, conical, cube-shaped, regular or irregular polygon, or wedge-shaped.
- the chute in the region of the inlet and in the region of the outlet have cross-sections of different shapes.
- the cross sections of different shapes may be selected from circular, elliptical, square, rectangular, a shape of a regular or irregular polygon, and a shape consisting of composite arc segments.
- the chute can be designed in several parts, with a plurality of walls, each forming an inner wall of the chute.
- the chute can have a substantially concave shape.
- the at least one inner wall, preferably all inner walls of the chute can be stripped at least once in two minutes, in particular once a minute.
- a tempering device may further be provided for tempering the at least one inner wall to a temperature which is below a threshold for the curing of the binder, preferably below 70 ° C.
- the first cleaning device may comprise at least one spatula, which is set up to move relative to the at least one inner wall and the second cleaning means a flexible
- Has stripping which is stretched in the path of travel of the spatula on the at least one inner wall.
- a device for the gluing of particles which consist at least partially of suitable for the production of material plates fibers and / or chips, wherein the device comprises a chute assembly.
- the apparatus may further comprise a supply means for feeding the particles and a plurality of nozzles for discharging a binder, the nozzles being arranged in an area inside the chute and / or above an inlet opening of the chute.
- the device has a mixing device downstream of the chute arrangement.
- Fig. 1 shows schematically a device for the gluing of particles
- Fig. 2A is a schematic plan view showing a chute assembly according to a first embodiment of the present invention
- FIG. 2B is a schematic lateral cross-sectional view of FIG.
- FIG. 2C is a schematic side cross-sectional view of FIG.
- Fig. 2D is a schematic plan view of the chute assembly of Fig. 2A in a further variant
- Fig. 3A is a schematic plan view showing a chute assembly according to a second embodiment of the present invention.
- Fig. 3B shows the chute assembly of Fig. 3A in a misaligned condition
- FIG. 3C is a schematic plan view of a chute assembly according to a second embodiment of the present invention
- FIG. 3D is a schematic plan view of the chute assembly of FIG. 3A
- FIG. 3C is a schematic plan view of a chute assembly according to a second embodiment of the present invention
- FIG. 3D is a schematic plan view of the chute assembly of FIG. 3A
- FIG. 3C is a schematic plan view of a chute assembly according to a second embodiment of the present invention
- FIG. 3D is a schematic plan view of the chute assembly of FIG. 3A
- Fig. 4 shows a schematic side cross-sectional view of a
- Fig. 5 shows in a schematic lateral cross-sectional view of a
- Chute arrangement according to a fourth embodiment of the present invention is a sixth embodiment of the present invention.
- Fig. 6A shows a schematic side cross-sectional view of a
- FIG. 6B is a schematic plan view of the chute assembly of Fig. 6A;
- FIGS. 6C and 6D schematically show a first variant of FIG
- FIGS. 6A and 6B Chute arrangement of FIGS. 6A and 6B;
- Fig. 6E schematically shows another variant of the chute assembly of Figs. 6A and 6B;
- FIG. 6F shows an exemplary embodiment of a second cleaning unit
- FIGS. 6G and 6H schematically show a further variant of the invention
- FIGS. 6G and 6H show schematically another variant of the invention
- FIGS. 6A and 6B Chute arrangement of FIGS. 6A and 6B.
- FIG. 1 shows a schematic view of a device for the gluing of particles beginning with the metering device 2 and ending with a mixing device 7 in a general view.
- a chute 3 and a chute arrangement 10 to be described in more detail below are arranged.
- the particles are introduced as a particle stream 1 into the metering device 2, usually from a particle bunker by means of discharge devices, weighed there and introduced into the chute 4 for metering via a standard belt control (not shown). There, the particle stream or the particles 1 impinges on a dissolving device 3 and is there dissolved to a particle curtain 5 and / or divided.
- the opening device 3 can in particular rake and / or baffles,
- Spoke rollers consisting of at least two discs which have arranged at a radial distance from the axis of rotation (with or without a continuous shaft) rods, tubes or the like parallel to the axis of rotation) and / or
- Opening rollers preferably designed as spiked rollers have.
- the dissolved particle curtain 5 is then sprayed by means of suitable nozzles 6 with a binder and glued.
- Mixing device 7 in which by means of a mixing shaft 8 by a rotating shaft 9 mixing the glued particles mechanically mix again and finally spend as a mixed particle flow (discharge arrow).
- the glued particle stream is then stored in a dosing hopper or directly into a spreader to form a grit mat, which can be pressed in a further press in a press to a material plate and / or cured, introduced.
- the chute assembly 10 should have a sufficient drop height so that the binder can bond sufficiently strong with the particles and should preferably at least half as long in the fall direction as the
- Chute 4 be formed.
- the chute 4 and the chute assembly 10 may be provided as separate devices. Alternatively, it is also possible that the chute 4 forms a unit with a chute of the chute assembly 10. Referring now to FIGS. 2A to 6J, various embodiments of a chute assembly which may be used as the chute assembly 10 in the apparatus of FIG. 1 will now be described. A first embodiment of a chute arrangement 20 is shown in FIGS. 2a to 2c.
- FIGS 2A to 2C illustrate a chute assembly 20 with a chute 21.
- the chute 21 has a rectangular cross section, wherein four
- Wall or wall elements each define an inner wall 21 a, ..., 21 d of the chute 21. Between each two inner walls 21 a, 21 d, or the respective inner walls having walls or wall elements, respectively, a gap is formed through which at least one support member 23 a, 23 d is arranged.
- the support elements 23a, 23d are each associated with an inner wall 21a, 21d and arranged displaceable along a direction substantially parallel to the surface thereof. At one end region of each support element 23a, 23d, a scraper element 22a, 22d is arranged.
- the support members 23a, 23d and the stripping elements 22a, 22d represent first cleaning means for cleaning the associated inner walls 21a ... 21d of the chute, wherein the cleaning of an inner wall 21a, 21d is performed by the associated support member in a direction parallel to the concerned
- Inner wall 21 a, 21 d is offset, so that the stripping 22a, ..., 22d on the inner wall 21 a, 21 d strips and cleans them in this way and of any binder or particles 1, which have deposited on this, cleans.
- the stripping elements 22a, 22d can be designed as a spatula blade, as a spatula, as a rod, in particular round rod, as a rope, as a wire, as a band, as a chain, as a brush or in any other suitable form.
- the support elements 23a, 23d may be formed, for example, as elongated sheets, as shown in Figure 2b, for example, each two sheets 23a arranged one above the other in parallel and the stripping element 22a is arranged on the two sheets 23a.
- the support members 23a, 23d each form a wall that extend in height substantially over the stripped area of the respective associated inner wall 21 a, 21 d.
- FIGS. 2A to 2C illustrate a chute 21 of rectangular cross-section extending in the direction of the particle in a straight line, this is not restrictive.
- the inner walls 21 a, 21 d may extend in a horizontal direction in a straight line, or may be formed concave with a pointing inward of the chute curvature or convex with a pointing outward of the chute curvature; In these cases, the support members may also be formed with corresponding curvatures, so that they during
- the support elements 23a, 23d are moved in the process at respectively associated second cleaning means 24a, 24d, which the
- the second cleaning devices 24a, 24d can be arranged in various ways, as shown for example in FIG. 2a.
- the second cleaning devices 24a, 24d can be arranged in various ways, as shown for example in FIG. 2a.
- Cleaning device thus cleans at least parts of the first cleaning device.
- the second cleaning devices can be used as a side or an edge of an inner wall, or as stripping elements 24a, 24d, in particular as Spatula blade, as a spatula, as a rod, in particular round rod, as a rope, as a wire, as a band, as a chain or be designed in any other suitable form.
- the second cleaning means (the stripping member 24b) may be formed as one side or an edge of an inner wall 21a, at the one
- Inner wall 21 d a stripping 24a be arranged. If the carrying element 23a is offset, it strikes with its facing the interior of the chute 21
- the stripping element 24c is formed at one end of one of the support elements 23b.
- the scraper 24c comes into contact with the side of the support member 23c facing the inside of the chute 21.
- the carrying member 23c passes the wiping member 24c and is wiped and cleaned in this manner (Fig. 2A, bottom right).
- the stripping element 24d may also be arranged outside the chute 21, such that, when the carrying element 23d is displaced, it strikes the stripping element 24d with its surface facing the interior of the chute 21 and is thus stripped off and cleaned (FIG 2A, bottom left).
- the carrier elements 23a, 23d are resilient, so that the wiper element 22a arranged at the end of a carrier element 23a is pressed against the inner wall 21a by the action of the resilient force. If the carrying element 23a is offset, therefore, even in the case of a curved inner wall, the wiping element 22a can safely pass along and strip over the curved inner wall 21 a to strip this and clean.
- the chute 21 may be formed with a substantially circular or elliptical cross-section, with a single wall, which has an inner wall 21 a.
- the wall may be curved in the form of a spiral, so that the two ends of the wall overlap, thus the wall circumscribes an angle greater than 360 °. Between the ends of the gap is formed, through which the support member 23 a is guided.
- the support member 23a may be formed as a resilient wall whose height substantially corresponds to the height of the stripped region of the inner wall 21 a of the chute 21.
- each support member 23 a separate drive (not shown) is provided, wherein the drives are controlled to offset the support members 23 a so that the stripping element 22 a with substantially constant vertical orientation along the inner wall 21 a of the chute 21 is moved.
- the chute arrangement 30 has a chute 31, which is formed from a plurality of wall elements, each having an inner wall 31 a, 31 d, which are curved according to a substantially arcuate shape, in particular a circular arc shape or elliptical arc shape.
- the total sum of angles included in the arcuate wall elements corresponds at least to an angle of 360 ° + the angle encompassed by the longest wall element.
- the wall elements overlap partially, such that a wall element with an inner wall 31 a overlaps an adjacent wall element with an inner wall 31 b outside, and is overlapped by another adjacent wall element with an inner wall 31 d outside.
- a scraper element 32a, 32d is arranged, in such a way, the outer wall 31 a, 31 d of the associated, adjacent wall element each outer wall to overlap.
- each of the wall elements can be adjusted
- the wall element can be rotated in particular about a center associated with the arc.
- FIG. 3B This is shown by way of example in FIG. 3B.
- the inner walls 31 a and 31 b are offset relative to each other, so that the stripping element 32 b strikes over the inner wall 31 a and cleans them.
- the wall element 31 b and the stripping element 31 b is a first cleaning device, which cleans the inner wall 31 a.
- Wall element 31 c and the stripping element 32 c in turn provide a second
- Chute assembly 40 a chute 41, in which in a known manner at least one scraper blade or scraper 42 is arranged as a first cleaning means to strip the inner wall 41 a. It can be the chute 41 relative to Scraper 42 and / or the scraper 42 moves relative to the chute 41, in particular be rotated about a rotation axis.
- the chute arrangement 40 further has a second cleaning device in the form of at least one doctor blade or scraper 44, which by means of an electric motor, hydraulically or pneumatically actuated feed axis as
- Drive means 43 can be adjusted from a rest position along an axis substantially parallel to the scraper 42, so as to scrape the scraper 42 and clean in this way.
- a hopper 45 may be provided which need not be part of the chute assembly 10 needs.
- the hopper 45 forms, together with the inner wall 41 a of the chute 41, a gap through which the scraper 42 can be guided into the interior of the chute 41.
- the hopper 45 may further provide protection against fouling by the sizing agent and / or glued particles 1. In this gap could be introduced to keep the chute 41 clean and a coat of air or no longer sticky, but already glued particles.
- Chute assembly 50 a chute 51 on.
- the chute arrangement 50 also has a first cleaning device in the form of at least one doctor blade or scraper 52, which by means of an electric motor, hydraulically or pneumatically actuated feed axis as
- the chute arrangement 50 also has a second cleaning device, which is preferably in the form of at least one scraper blade or scraper 54, which is moved by means of an electromotively, hydraulically or pneumatically actuatable feed axis 55 as drive means from a rest position over the scraper 52 positioned in the rest position can, in this way, strip the scraper 52 and clean in this way.
- a second cleaning device which is preferably in the form of at least one scraper blade or scraper 54, which is moved by means of an electromotively, hydraulically or pneumatically actuatable feed axis 55 as drive means from a rest position over the scraper 52 positioned in the rest position can, in this way, strip the scraper 52 and clean in this way.
- a scraper blade or a scraper 54 instead of a scraper blade or a scraper 54, another suitable stripping device can be used as a cleaning device. Moreover, if the scraper 54 or the other suitable stripping device is arranged such that the scraper blade or the scraper 52 drives past it from the chute 51 when moving out of the chute 51, a drive means 55 can also be dispensed with.
- a chute assembly 60 includes a flexible stripping member 62 as the first cleaning means as shown in Figs. 6A to 6J.
- Chute 61 rotationally symmetrical, in particular conically configured, with a wall which defines an inner wall 61 a.
- the wall of the chute can be arcuately curved, so that the chute 61 tapers in the direction of the particle from top to bottom.
- the first cleaning device may be a flexible one
- Stripping element 62 in particular an endless rope, preferably designed as a wire rope having.
- the endless cable is guided and held over a deflection means 63, here a deflection roller, in such a way that it surrounds the wall of the chute 61, so that the cable runs both in the chute 61 adjacent to the inner wall 61 a and outside the chute 61.
- a deflection means 63 here a deflection roller
- the pulley may be associated with a drive (not shown) to move over the pulley the rope in the direction of extension of the endless rope in motion offset.
- the movement may be an intermittent or continuous circumferential movement of the rope, or an oscillating reciprocation of the rope, or a combination thereof.
- Cleaning device provided with stripping element 66 for cleaning the rope and arranged so that the rope passes past or through this.
- This second cleaning device may be formed, for example, as a brush, doctor blade, or as a scraping edge, where the rope is moved past, or as a stripping gap or as a stripping cylinder, through which the rope passes.
- the second cleaning device can also be designed as a fluid bath, the
- the stripping element 62 is filled, for example, with water and / or a cleaning agent and through which the stripping element 62 is guided to wash off gluing agent and / or particles 1 of this and solve.
- the flexibility of the rope as a stripping element 62 also allows the rope to adapt to different cross-sections of the chute 61, such as one
- Rectangular cross-section with large opening width in the inlet region and a much smaller circular cross-section in the outlet region as shown for example in Figures 6C and 6D.
- the chute 61 may be configured in several parts, for example with four walls that define the four inner walls 61 a to 61 d.
- the chute 61 In the region of the inlet, the chute 61 has a rectangular cross section, while the chute 61 is formed in the region of the outlet with a circular cross section.
- the walls of the chute are arcuately curved, so that the chute 61 tapers in the direction of the particle 1 from top to bottom.
- the stripping element 62 is guided and held as a cable via a deflecting means 63 so that it encloses a wall of the chute so that the cable adjoins both the chute 61 an inner wall 61 d, as well as outside the
- Falling shaft 61 runs. Different from, for example, Figure 6A are in the
- the walls are each formed with a bead or bow portion as a deflection means 67 for the rope, which serves to deflect and hold the rope.
- the bead can therefore be considered as a guide device and as a deflection device.
- the deflecting means 63 is associated with a guide means comprising an endless guide member 69, such as a chain, and guide means 68, such as gears. As shown in particular in Figure 6D, the guide means 68 are arranged so that they span the circulating chain so that it orbits the chute 61.
- guide means 68 also rollers, slides or other elements can be used, which are suitable, the corresponding
- a motor (not shown) may be connected to one of the guide means 68 for driving and moving the chain as a guide member 69. Since the pulley is connected to the chain 62 of the guide means, the flexible, endless scraper or rope is thus caused to move in a direction tangential to the surface of the inner wall 61 d. In this way, the rope, the inner wall 61 d, or all the inner walls 61 a, 61 d of the chute 61 overlap and clean this by any binder, or glued particles 1, which have adhered to the inner walls 61 a, 61 d stripped become.
- the second cleaning device as a stripping element 66 can on a
- the cleaning device can also one
- Guidance device be assigned and move along to follow the movement of the rope on the inner walls 61 a to 61 d of the chute 61. While in FIGS. 6A to 6D the endless rope encloses a wall, in a modification shown in FIG. 6E it is also possible to guide the endless rope via a deflection means 72 such that the endless rope runs as a stripping element 62 within the chute 61, so that the running and the returning portion of the rope both come in contact against the inner wall 61 d of the chute 61. Such guidance of the rope has the beneficial effect of a lesser
- the second cleaning device is designed as a wiping edge 71, on which the cable is guided past, in order to strip it off.
- Cleaning device may be designed as an obstacle 75 which can be introduced as a stripping element 62 in the travel path 74 of the cable, which is preferably arranged in a wall of the chute 61 having at least one inner wall 61 a... 61 d, the insertable obstacle 75 being arranged between a first position, in which the obstacle protrudes from the inner wall 61 a ... 61 d in the direction of the interior of the chute 61, and a second position in which the obstacle does not project beyond the inner wall 61 a ... 61 d, can be adjustable.
- the insertable obstacle 75 can be adjusted, for example pneumatically, hydraulically or by electric motor and can be formed for example as a mandrel or cone. In this aspect is the
- Travel path 74 is illustrated in FIG. 6E for better understanding.
- 61 d can open, whereby gluing agents and / or particles 1, which have settled on the rope, can be shaken off. It is preferred that the direction of movement of the rope can be reversed to move the rope from both directions against the adjustable obstacle 75.
- FIGS. 6G and 6H show a further variant in which a cable is fastened to two winding devices 73, which can wind up and unwind the cable.
- Figures 6G and 6H further show guide means which may be formed for example as Zustellachsen or rails 76, in which the
- Winding devices 73 are attached, for example by means of a carriage or a slider (not shown) traveling in the track rail 76.
- example rails 76 are shown, which the
- Winding devices 73 lead and hold, and about the winding means 73, this circulating rope. By means of the rails 76, therefore, the rope can be moved across the surface of the inner wall 61 d.
- Running rails 76 may be provided, on which winding devices are arranged, which are associated with corresponding ropes; For the sake of clarity of presentation, their representation has been omitted in FIGS. 6G and 6H. Alternatively, the
- Running rail 76 corresponding to the chute 61 arcuate and circumferential running.
- a flexible stripping element 62 like a rope, extends in a substantially vertical direction in the region of an inner wall 61 a, 61 d.
- this is not limitative, and as shown in the example shown in FIGS. 61 and 6J, the
- Chute assembly 60 may also be configured so that a flexible stripping element 62 extends adjacent to an inner wall 61 a, 61 d of the chute 61 in a substantially horizontal direction, for example as an endless cable, which is guided over deflection 63.
- each inner wall 61 a, 61 d of the chute 61 each have a flexible stripping element 62 is provided, for example, can be designed as an endless rope, which is arranged to include the respective inner wall 61 a, 61 d, as shown in the Figure 61 is shown on the example of the inner wall 61 d.
- the inner walls 61a, 61d of the chute 61 may extend substantially rectilinearly in the horizontal direction, or may be concave, in particular cambered, so that they are bent in the direction of the interior of the chute 61, as shown in FIG. 61 by way of example the inner wall 61 b shown.
- the deflection means 63 are associated with respective guide means (not shown) which may be arranged to turn the deflection means 63 in one in the Moving substantially vertical direction, as indicated by the arrows of Figure 6J, so that the stripping element 62 of the extension of the inner wall 61 d of the chute is moved in a substantially vertical direction tangential to the surface of the inner wall 61 d and this in a substantially vertical Direction strips off.
- the movement axis can be suitably in
- Substantially perpendicular following substantially the course of the lateral edge of the inner wall 61 d, or be aligned in any other suitable manner.
- guide means may be provided band or cables, similar to those described with reference to Figures 6A to 6H.
- the guide means as Zustellachsen or as guides, in particular linear guides to design, the Umlenstoff 63 are each attached to a running in the guide carriage (not shown), which is actuated by electric motor, pneumatic or hydraulic.
- first and / or second cleaning devices can be combined in a chute arrangement.
- various types of stripping members 62 or guide means may be combined.
- the guide means are not limited to the examples described.
- designed guide means are provided which have a running in the guide carriage (not shown), which is actuated by electric motor, pneumatic or hydraulic.
- guide means may be used which are in the form of a slide rail on which a scraper member is slidably held by, for example, a sliding member or roller disposed in the rail. While examples have been given in which the stripping element 62 is moved relative to an inner wall 61a, 61d of the chute 61 by means of the first and second guide means, this is not limitative and it is also possible to feed the chute itself by suitable drive means move.
- the chute 61 may be designed rotationally symmetrical and be offset by corresponding drive means in a rotational movement, so that the inner wall of the chute 61 moves with respect to the stripping element 62.
- the stripping element 62 can by corresponding first and second
- Guide means are held stationary while the inner wall of the stripping element 62 moves past. It is also possible to have a mobile one
- Stripping element 62 with a movable chute to 61 combine.
- the guide devices can be arranged both outside and inside the space defined by the chute 61. Will the
- Guide means disposed within the chute 61, covers may be preferably provided to the guide means in front of a
- the chute arrangement can have a tempering device for tempering one or more inner walls to a temperature which is below a threshold for the curing of the binder, preferably below 70 ° C. (1443)
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Cleaning In General (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL13798622T PL2922671T3 (pl) | 2012-11-22 | 2013-11-22 | Układ rur opadowych z podwójnym urządzeniem czyszczącym, w szczególności dla urządzenia do klejenia cząstek w trakcie produkcji płyt |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012111307.6A DE102012111307A1 (de) | 2012-11-22 | 2012-11-22 | Fallschachtanordnung mit zweifacher Reinigungseinrichtung, insbesondere für eine Vorrichtung zur Beleimung von Partikeln im Zuge der Herstellung von Werkstoffplatten |
PCT/EP2013/074509 WO2014079984A1 (de) | 2012-11-22 | 2013-11-22 | Fallschachtanordnung mit zweifacher reinigungseinrichtung, insbesondere für eine vorrichtung zur beleimung von partikeln im zuge der herstellung von werkstoffplatten |
Publications (2)
Publication Number | Publication Date |
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EP2922671A1 true EP2922671A1 (de) | 2015-09-30 |
EP2922671B1 EP2922671B1 (de) | 2017-02-08 |
Family
ID=49681007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP13798622.0A Active EP2922671B1 (de) | 2012-11-22 | 2013-11-22 | Fallschachtanordnung mit zweifacher reinigungseinrichtung, insbesondere für eine vorrichtung zur beleimung von partikeln im zuge der herstellung von werkstoffplatten |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2922671B1 (de) |
CN (1) | CN104812542B (de) |
DE (1) | DE102012111307A1 (de) |
PL (1) | PL2922671T3 (de) |
WO (1) | WO2014079984A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106862212B (zh) * | 2017-04-01 | 2023-05-09 | 四川唯怡饮料食品有限公司 | 一种回收玻璃瓶再利用脱标机 |
DE102019000528A1 (de) | 2019-01-24 | 2020-07-30 | Siempelkamp Maschinen- Und Anlagenbau Gmbh | Vorrichtung und Verfahren zur Vermischung von Fasern oder Spänen mit Bindemittel |
DE102019114039A1 (de) * | 2019-05-26 | 2020-11-26 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Vorrichtung zur Beleimung von Partikeln im Zuge der Herstellung von Werkstoffplatten und ein Verfahren zum Betreiben der Vorrichtung |
DE102021004703A1 (de) | 2021-09-17 | 2023-03-23 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Vorrichtung und Verfahren zur Vermischung von Partikeln mit einem Benetzungsmittel |
CN115030465B (zh) * | 2022-07-18 | 2023-06-27 | 重庆电子工程职业学院 | 一种地板铺设机器人 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2225253B (en) * | 1988-10-11 | 1992-06-17 | William Brooke Midgley | Scraper system for hopper (pyramidal) bottomed tanks |
DE10247413B4 (de) * | 2002-10-11 | 2009-05-07 | Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg | Anlage zum Beleimen von Fasern für die Herstellung von Faserplatten, insbesondere MDF-Platten oder dergleichen Holzwerkstoffplatten |
FR2850089B1 (fr) * | 2003-01-17 | 2005-10-28 | Sodimate | Appareil de dosage muni d'un dispositif de saturation |
DE102006058627B3 (de) * | 2006-12-13 | 2008-06-05 | Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg | Anlage zum Beleimen von Fasern für die Herstellung von Faserplatten |
EP2067538B1 (de) * | 2007-12-05 | 2010-11-10 | Straintec AG | Vorrichtung und Verfahren zur Behandlung einer Behälterwand und Behälter |
IT1399772B1 (it) | 2010-04-30 | 2013-05-03 | Imal Srl | Apparato per l'iniezione di componenti chimici in un flusso di materiale legnoso incoerente |
CN101831786B (zh) * | 2010-05-10 | 2014-12-10 | 海尔集团公司 | 一种使用柔性物质清洗洗衣机内外桶之间的方法 |
DE102010064339A1 (de) | 2010-12-29 | 2012-07-05 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Verfahren und Vorrichtung zur Benetzung von Streugut insbesondere von Fasern und/oder Spänen, mit einem Fluid |
DE202012104538U1 (de) * | 2012-11-22 | 2014-04-29 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Fallschachtanordnung mit zweifacher Reinigungseinrichtung, insbesondere für eine Vorrichtung zur Beleimung |
-
2012
- 2012-11-22 DE DE102012111307.6A patent/DE102012111307A1/de not_active Withdrawn
-
2013
- 2013-11-22 PL PL13798622T patent/PL2922671T3/pl unknown
- 2013-11-22 CN CN201380060981.2A patent/CN104812542B/zh active Active
- 2013-11-22 WO PCT/EP2013/074509 patent/WO2014079984A1/de active Application Filing
- 2013-11-22 EP EP13798622.0A patent/EP2922671B1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2014079984A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN104812542A (zh) | 2015-07-29 |
PL2922671T3 (pl) | 2017-08-31 |
CN104812542B (zh) | 2017-11-21 |
DE102012111307A1 (de) | 2014-05-22 |
EP2922671B1 (de) | 2017-02-08 |
WO2014079984A1 (de) | 2014-05-30 |
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