CN2920600Y - Wheat-straw fiber external circulating air-flow mat moulding machine - Google Patents
Wheat-straw fiber external circulating air-flow mat moulding machine Download PDFInfo
- Publication number
- CN2920600Y CN2920600Y CN 200620091810 CN200620091810U CN2920600Y CN 2920600 Y CN2920600 Y CN 2920600Y CN 200620091810 CN200620091810 CN 200620091810 CN 200620091810 U CN200620091810 U CN 200620091810U CN 2920600 Y CN2920600 Y CN 2920600Y
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- measuring
- wheat
- straw fiber
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- feed bin
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Abstract
A wheat-straw fiber external circulating air-flow mat moulding machine used for man-made board production industry comprises a bottom suction system, external circulating wind wheels, a measuring belt, a measuring stock bin, flatting rolls, poking rolls and wind gratings. A mouth piece is arranged on each of the two sides of the bottom suction system. The mouth pieces are positioned above the slab conveyor belt. The wind wheels are arranged on the two sides of the paver. An air-low regulator is arranged at the air inlet to regulate the air inlet. The measuring stock bin is arranged above the paver chamber; the measuring belt is arranged at the bottom; the poking roll is arranged on the discharge end of the measuring belt. The lower part of the poking roll points between the two pavement chambers to make sure that material can fall between the two wind gratings. Fore groups of flatting rolls in all are arranged in the measuring stock bin in order to flat material at different gradients. The first roll controls the thickness of material in the measuring stock bin. The device has novel and scientific design, simple structure, so is easy to produce; the device provides reliable work and little breakdown, so slab made of wheat-straw fiber can be produced continuously and wheat-straw fiber density technology requirement is met.
Description
Technical field:
The utility model relates to and is used for annual stalk in the wood-based plate industry is that raw material is produced the airflow pavement machine that medium density fibre board (MDF) is used.
Background technology:
At present, both at home and abroad the annual crops stalk through the fiber particle size after the fragmentation between wood particle and wood chip between the fiber through obtaining after the defibrator process, and the form of particle is inhomogeneous, not of uniform size, the spreading machine that can not adopt wood fibre board the to use slab of mating formation like this, reason are the thickness that slab thickness that the spreading machine of fibre board use is mated formation is greater than requirement, and having about 25% will be through putting down device, excess fiber is removed, turned back to reuse in the feed bin with blast system.For the irregular crushed straw aggregate of size, this kind method for paving is mated formation big or small particle is mixed in together, and through putting down, the density of slab just can not be even like this.Distortion, the unequal quality problems that absorb water will appear in the plank after the compacting, even can not suppress plank.In view of the agricultural crop straw Material Characteristics, spreading machine must be able to be spread out the slab of symmetrical structure, and the airflow pavement machine of particieboard is more approaching like this, but, the form of stalk is not as wood particle, and is too tiny, and its bulk density is little a lot of than wood particle simultaneously.We have carried out the design of renovating to the airflow pavement machine in view of the above, make it to be fit to mating formation of stalk medium density fiber board assembly line, have guaranteed the even of slab density, spread out quality slab preferably.Therefore, develop a kind of stalk fibre outer circulation airflow pavement machine is home and abroad new problem anxious to be solved always.
The utility model content:
The purpose of this utility model provide a kind of spreading machine that is used for stalk density production line, easy to manufacture, simple in structure, reliable operation, fault rate low, continuously shakedown go out stalk slab, satisfy the wheat straw fiber outer circulation airflow pavement machine of density production technological requirement in the stalk.
The purpose of this utility model is achieved in that whole device is by the end aspiration system, the outer circulation blower fan, measuring belt, the metering feed bin, the roller of raking, promoting roller, air grid is formed, the end aspiration system respectively establishes a suction inlet in the both sides of spreading machine, suction inlet is placed in the top of slab conveyer belt, blower fan is installed in the both sides of spreading machine, the air inlet of blower fan is provided with volume adjusting apparatus, the air quantity that control enters, the metering feed bin is installed in the top of the chamber of mating formation, its movable end is a measuring belt, the discharge end of measuring belt is provided with the material toggling roller, two centres of mating formation the chamber are aimed in the bottom, guarantee that material can drop between the air grid, the roller of raking has 4 groups, is installed in successively in the metering feed bin, the branch gradient material of raking, the thickness of the bed of material in the first rake control feed bin.
Main points of the present utility model are its structure and operation principle.Its operation principle is that this Design of device thought mainly contains following two aspects, first, because the bulk density of crushed straw aggregate is less, by volume the amount of mating formation of Ji Suaning is bigger, so the metering feed bin of spreading machine must reach greatly, like this particle in the feed bin by after being raked, more uniform density can be arranged; For guaranteeing the amount of mating formation, must improve the transporting velocity of metering feed bin and the height of the roller of raking simultaneously, the rotating speed of rational material toggling roller also will be arranged.Second, the form more tiny according to crushed straw aggregate, under the effect of air-flow, blown far, if according to traditional spreading machine, blower fan is interior circulation, these fineves might be sucked by blower fan, blow to the tuyere of air grid again, because tuyere is less, just stop up easily, in fact this situation also is recurrent.After tuyere was blocked, particle can not get sorting, and slab is destructurized, and spreading machine can not spread high-quality slab.Influence the quality of product.Therefore, we change air-flow into outer circulation by interior circulation for adapting to the characteristic of crushed straw aggregate, increase the inlet size of blower fan, and set up air quantity and reconcile device, reduce the air-flow wind speed of mating formation indoor simultaneously, it is too far to avoid tiny particle to be blown by air-flow, forms bigger dust pollution.Set up the dedusting blast system, eliminate the unnecessary air-flow in chamber of mating formation, and play the effect of dedusting.
Wheat straw fiber outer circulation airflow pavement machine compared with prior art, have novel science, easy to manufacture, simple in structure, reliable operation, fault rate low, continuously shakedown go out stalk slab, satisfy advantage such as density production technological requirement in the stalk, will be widely used in the wood-based plate manufacturing.
Description of drawings:
Below in conjunction with accompanying drawing and example the utility model is elaborated.
Fig. 1 is a structural representation of the present utility model.
The specific embodiment:
With reference to accompanying drawing, whole device is by end aspiration system 1, outer circulation blower fan 2, measuring belt 3, metering feed bin 4, the roller 5 of raking, material toggling roller 6, air grid 7 is formed, end aspiration system 1 respectively establishes a suction inlet in the both sides of spreading machine, suction inlet is placed in the top of slab conveyer belt, blower fan 2 is installed in the both sides of spreading machine, the air inlet of blower fan is provided with volume adjusting apparatus, the air quantity that control enters, metering feed bin 4 is installed in the top of the chamber of mating formation, its movable end is a measuring belt 3, the discharge end of measuring belt 3 is provided with material toggling roller 6, and two centres of mating formation the chamber are aimed in the bottom, guarantee that material can drop between the air grid 7, the roller 5 of raking has 4 groups, be installed in successively in the metering feed bin, the branchs gradient material of raking, first rake is controlled the thickness of the bed of material in the feed bin.
Claims (1)
1, a kind of wheat straw fiber outer circulation airflow pavement machine, whole device is by the end aspiration system, the outer circulation blower fan, measuring belt, the metering feed bin, the roller of raking, the material toggling roller, air grid is formed, it is characterized in that: the end aspiration system respectively establishes a suction inlet in the both sides of spreading machine, suction inlet is placed in the top of slab conveyer belt, blower fan is installed in the both sides of spreading machine, the air inlet of blower fan is provided with volume adjusting apparatus, the air quantity that control enters, the metering feed bin is installed in the top of the chamber of mating formation, its movable end is a measuring belt, the discharge end of measuring belt is provided with the material toggling roller, and two centres of mating formation the chamber are aimed in the bottom, guarantee that material can drop between the air grid, the roller of raking has 4 groups, be installed in successively in the metering feed bin, the branchs gradient material of raking, first rake is controlled the thickness of the bed of material in the feed bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091810 CN2920600Y (en) | 2006-06-29 | 2006-06-29 | Wheat-straw fiber external circulating air-flow mat moulding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091810 CN2920600Y (en) | 2006-06-29 | 2006-06-29 | Wheat-straw fiber external circulating air-flow mat moulding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2920600Y true CN2920600Y (en) | 2007-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620091810 Expired - Fee Related CN2920600Y (en) | 2006-06-29 | 2006-06-29 | Wheat-straw fiber external circulating air-flow mat moulding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2920600Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659076A (en) * | 2008-08-25 | 2010-03-03 | 迪芬巴赫有限两合公司 | Method for manufacturing plate blank with loose bulk material during the production of wooden plate and paving station |
| CN101566557B (en) * | 2009-06-10 | 2011-09-21 | 西北农林科技大学 | Method and device for detecting forming evenness of recombinant material slab |
| CN101468485B (en) * | 2007-08-31 | 2014-07-16 | 迪芬巴赫有限两合公司 | Distribution machine for creating a pressed material mat or a layer of the same and a method for operating a distribution machine |
-
2006
- 2006-06-29 CN CN 200620091810 patent/CN2920600Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468485B (en) * | 2007-08-31 | 2014-07-16 | 迪芬巴赫有限两合公司 | Distribution machine for creating a pressed material mat or a layer of the same and a method for operating a distribution machine |
| CN101659076A (en) * | 2008-08-25 | 2010-03-03 | 迪芬巴赫有限两合公司 | Method for manufacturing plate blank with loose bulk material during the production of wooden plate and paving station |
| CN101659076B (en) * | 2008-08-25 | 2015-03-25 | 迪芬巴赫有限两合公司 | Method for manufacturing plate blank with loose bulk material during the production of wooden plate and paving station |
| CN101566557B (en) * | 2009-06-10 | 2011-09-21 | 西北农林科技大学 | Method and device for detecting forming evenness of recombinant material slab |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070711 Termination date: 20140629 |
|
| EXPY | Termination of patent right or utility model |