CN103147339A - Double-sieve multichannel sieve powder air flow laying and forming device - Google Patents
Double-sieve multichannel sieve powder air flow laying and forming device Download PDFInfo
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- CN103147339A CN103147339A CN2013100713837A CN201310071383A CN103147339A CN 103147339 A CN103147339 A CN 103147339A CN 2013100713837 A CN2013100713837 A CN 2013100713837A CN 201310071383 A CN201310071383 A CN 201310071383A CN 103147339 A CN103147339 A CN 103147339A
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Abstract
The invention discloses a double-sieve multichannel sieve powder air flow laying and forming device, which includes an air supply system and an air exhaust system, wherein a transmission mesh belt is arranged between the air supply system and the air exhaust system; the air exhaust system includes a Y-type air channel connected with an air channel external enclosing plate; bottom air channel baffle plates are arranged inside the air channel external enclosing plate; the bottom air channel baffle plates are covered with inclined baffle plates; the inclined baffle plates are mounted with top air channel baffle plates and a front cover plate; a triangular partition is arranged between every two top air channel baffle plates, and a triangular partition is arranged between each top air channel baffle plate and the front cover plate; the air supply system includes an external baffle plate; a first cylinder mould and a second cylinder mould are arranged parallelly in the external baffle plate in the length direction of the external baffle plate; a first air supply pipeline is arranged at the position at one end of the external baffle plate, corresponding to the first cylinder mould; and a second air supply pipeline is arranged at the position at the other end of the external baffle plate, corresponding to the second cylinder mould. Through the adoption of the device, a great amount of powder is sieved and falls down evenly during air flow powder sieving, the possibility of mesh sticking and blockage is low, and the papermaking quality and efficiency are improved.
Description
Technical field
Patent of the present invention relates to the Paper DryForming Technology field, relates to a kind of pair of screen cloth multichannel sieve powder air-laid shaped device, the comminuted fibres raw material can be made initial paper web.
Background technology
At present, Paper DryForming Technology with its stronger raw material adaptability, easily realize the multifunctionality of paper, can not cause the advantages such as water pollution day by day come into one's own and be applied widely.Forming negative pressure by air-discharging during dry method of paper-making moulding makes fibre material drop to the initial paper web of transmission guipure formation from cylinder mould, yet the inhomogeneous whereabouts of the paper fibre in shaping box, and the generation of the phenomenon such as sticky net, network blocking hole, the raising of the quality of dry method of paper-making production efficiency and paper is produced a very large impact.
Summary of the invention
Patent of the present invention provides a kind of pair of screen cloth multichannel sieve powder air-laid shaped device, minute up and down double-layer structure, and the upper strata is supply air system, lower floor is the multichannel exhaust system, and is middle for transmitting guipure.By the self-regulation effect of multiple duct, solved the prior art fiber problem inhomogeneous, that sticky net and network blocking hole easily occur that falls, improved dry method of paper-making quality and production efficiency.
the technical scheme that patent of the present invention adopts is: a kind of pair of screen cloth multichannel sieve powder air-laid shaped device, comprise supply air system and exhaust system, be provided with the transmission guipure between supply air system and exhaust system, exhaust system comprises Y type air channel, two outlets in Y type air channel are connected with the outer coaming plate in air channel, be provided with the bottom air-duct clapboard in the outer coaming plate in air channel, be coated with a pair of inclined clapboard on the air-duct clapboard of bottom, some air duct at top dividing plates that be arranged in parallel are installed between 2 inclined clapboards, 2 inclined clapboards are equipped with the front shroud parallel with the air duct at top dividing plate near Y type air channel one end, being provided with triangle between every 2 air duct at top dividing plates and between air duct at top dividing plate and front shroud cuts off.
Characteristics of the present invention also are,
Wherein supply air system comprises the outer dividing plate that 4 rectangular slabs surround, long to being arranged with the first cylinder mould and the second cylinder mould in parallel along it in outer dividing plate, the outer dividing plate one end position corresponding with the first cylinder mould is provided with the first air supply duct, and the outer dividing plate other end position corresponding with the second cylinder mould is provided with the second air supply duct.
Wherein the outer coaming plate in air channel is that the cross section is " protruding " shape tubular structure without end face.
Wherein 2 inclined clapboards are the inverted "eight" shape setting, and the upper seamed edge of 2 inclined clapboards is connected with 2 upper seamed edges of the outer coaming plate in air channel respectively.
wherein the bottom air-duct clapboard is by the first dividing plate group, second partition group and central dividing plate consist of, the first dividing plate group and second partition group are positioned at respectively the both sides of the outer coaming plate in air channel, central dividing plate is arranged between the first dividing plate group and second partition group, described the first dividing plate group is comprised of the dividing plate a of some cross sections for " L " shape, the second partition group is comprised of the dividing plate b of some cross sections for " L " shape, spacing between described each dividing plate a equates, spacing between each dividing plate b equates, central dividing plate apart from dividing plate a with equate apart from the spacing between dividing plate b, the outer coaming plate in described the first dividing plate group longitudinal length and air channel is equal in length, second partition group longitudinal length is half of the outer coaming plate length in air channel, under the first dividing plate group inclined clapboard relative with it with inboard one end of second partition group width, seamed edge joins, the cross section of bottom air-duct clapboard is projected in the cross section projection that is surrounded by the outer coaming plate in air channel and inclined clapboard.
Its intermediate cam is cut off the isosceles triangle that makes progress for drift angle.
The beneficial effect of patent of the present invention is: when lower floor's multiple duct exhaust system can make the moulding of upper materials air-laid, pressure is even, and fully be diffused into granular material in air-flow, powder is no longer reunited, but see through screen cloth with air-flow successively with single particulate, so the output during the airflow screen powder large, be difficult for causing sticky net and network blocking hole.
Description of drawings
Fig. 1 is the overall structure schematic diagram of a kind of pair of screen cloth multichannel sieve powder air-laid shaped device of the present invention;
Fig. 2 is the structural representation of exhaust system in of the present invention pair of screen cloth multichannel sieve powder air-laid shaped device;
Fig. 3 is that in of the present invention pair of screen cloth multichannel sieve powder air-laid shaped device, exhaust system removes multi-air duct structure figure after Y type air channel and front shroud;
Fig. 4 is the air duct at top baffle arrangement figure of exhaust system in of the present invention pair of screen cloth multichannel sieve powder air-laid shaped device;
Fig. 5 is the bottom air-duct clapboard layout drawing of exhaust system in of the present invention pair of screen cloth multichannel sieve powder air-laid shaped device;
Fig. 6 is supply air system structure chart in of the present invention pair of screen cloth multichannel sieve powder air-laid shaped device.
The number in the figure title: 1. central dividing plate, 2. dividing plate a, 3. transmit guipure, 4.Y type air channel, 5. front shroud, 6. air duct at top dividing plate, 7. outer coaming plate, 8. inclined clapboard, 9. base plate of air channel, 10. triangle cuts off, 11. bottom air-duct clapboards, 12. first cylinder moulds, 13. the first air supply duct, 14. second cylinder moulds, 15. second air supply ducts, 16. outer dividing plate, 17. dividing plate b.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, patent of the present invention is elaborated.
the invention provides a kind of pair of screen cloth multichannel sieve powder air-laid shaped device, comprise supply air system and exhaust system, as Fig. 1, Fig. 2 and shown in Figure 3, exhaust system comprises Y type air channel 4, two outlets in Y type air channel 4 are connected with the outer coaming plate 7 in air channel, the outer coaming plate 7 in air channel is " protruding " shape tubular structure without end face for the cross section, be provided with bottom air-duct clapboard 11 in the outer coaming plate 7 in air channel, be coated with a pair of inclined clapboard 8 on the air-duct clapboard 11 of bottom, 2 inclined clapboards 8 are the inverted "eight" shape setting, and the upper seamed edge of 2 inclined clapboards 8 respectively with 2 upper seamed edges welding of the outer coaming plate 7 in air channel, some air duct at top dividing plates 6 that be arranged in parallel are installed between 2 inclined clapboards 8, 2 inclined clapboards 8 are equipped with the front shroud parallel with air duct at top dividing plate 65 near Y type air channel 4 one ends.As shown in Figure 4, be provided with triangle between every 2 air duct at top dividing plates 6 and between air duct at top dividing plate 6 and front shroud 5 and cut off 10, the isosceles triangle that triangle partition 10 makes progress for drift angle.
as Fig. 3 and shown in Figure 5, wherein bottom air-duct clapboard 11 is by the first dividing plate group, second partition group and central dividing plate 1 consist of, the first dividing plate group and second partition group are positioned at respectively the both sides of the outer coaming plate 7 in air channel, central dividing plate 1 is arranged between the first dividing plate group and second partition group, described the first dividing plate group is comprised of the dividing plate a2 of some cross sections for " L " shape, the second partition group is comprised of the dividing plate b17 of some cross sections for " L " shape, spacing between described each dividing plate a2 equates, spacing between each dividing plate b17 equates, central dividing plate 1 apart from dividing plate a2 with equate apart from the spacing between dividing plate b17, the outer coaming plate 7 in described the first dividing plate group longitudinal length and air channel is equal in length, second partition group longitudinal length is half of outer coaming plate 7 length in air channel, described the first dividing plate group inclined clapboard 8 time seamed edges relative with it with inboard one end of second partition group width join, the cross section of described bottom air-duct clapboard 11 is projected in the cross section projection that is surrounded by the outer coaming plate 7 in air channel and inclined clapboard 8.
Supply air system as shown in Figure 6, comprise the outer dividing plate 16 that 4 rectangular slabs surround, outer dividing plate 16 is interior long to being arranged with the first cylinder mould 12 and the second cylinder mould 14 in parallel along it, the outer dividing plate 16 1 ends position corresponding with the first cylinder mould 12 is provided with the first air supply duct 13, and outer dividing plate 16 other ends position corresponding with the second cylinder mould 14 is provided with the second air supply duct 15.
Patent of the present invention is divided upper and lower two-layer, and lower floor is exhaust system, and the upper strata is supply air system, upper and lower each self-retaining of layer, and the centre is left and is transmitted guipure 3 passages.Lower floor's exhaust system is mainly formed by plate sheet welding, 4 outlets of Y type air channel, front are connected with the blower fan air draft pipe, the back forms a plurality of passages by some dividing plate welding, by both sides inclined clapboard 8, the outer coaming plate 7 in air channel, base plate 9 are formed disjunct a plurality of air channels mutually with the welding of bottom air-duct clapboard 11.Weld with bottom air-duct clapboard 11 below air duct at top dividing plate 6 both sides and inclined clapboard 8 welding, air duct at top dividing plate 6, and cut off 10 by triangle air duct at top is divided right and left.The upper strata supply air system is comprised of the first cylinder mould 12, the second cylinder mould 14, the first air supply duct 13, the second air supply duct 15 and outer dividing plate 16.
the operation principle of this device is, when blower fan passes through Y type air channel, bottom 4 exhausting, granular material is blown in first cylinder mould 12 and the second cylinder mould 14 on upper strata with the wind via the first air supply duct 13 and the second air supply duct 15, wherein the first cylinder mould 12 and the second cylinder mould 14 can rotate, regulate the rotary action of the screen cloth of formed stable negative pressure and the first cylinder mould 12 and the second cylinder mould 13 by the self adaptation in the formed air channels such as bottom air-duct clapboard 11 and air duct at top dividing plate 6 in lower floor's exhaust system, can make the fibrous mass of breaing up fully be diffused in air-flow, and drop on transport network band 3 under evenly from the first cylinder mould 12 of rotation and the second cylinder mould 14, form initial paper web.
In device of the present invention, exhaust system inside forms air channel, bottom and air duct at top by plate sheet welding along the air-flow throughput direction.Air duct at top is cut off 10 left and right by triangle and separates, and forms hopper channel with inclined clapboard 8, can accelerate air current flow by the regulating action in the inner a plurality of air channels of negative pressure box.The air channel, bottom longitudinally shortens step by step, plays the effect of dividing equally air-flow, and is communicated with air channels at different levels, top respectively.Final self-regulation effect by air channel, bottom and air duct at top, can make when transmitting on guipure the moulding of flour air-laid to fall steadily, pressurized is even, and granular material is no longer reunited, the material fiber fully is diffused in air-flow, see through screen cloth with air-flow successively with single particulate, therefore the output during the airflow screen powder large, be difficult for causing sticky net and network blocking hole, help to improve the quality of the dry method of paper-making.
The first cylinder mould 12 and the second cylinder mould 14 relatively independent rotations of energy in supply air system in device of the present invention, the first cylinder mould 12 and the second cylinder mould 14 internal gas flows flow in opposite directions, help air-flow fully to spread; On the first cylinder mould 12 and the second cylinder mould 14, the large I of mesh arranges according to the powder size, and can change as requested cylinder mould; In addition, the cylinder mould materials inside is carried by air-flow, and the cylinder mould perforate is even, helps material scattering and segmentation.
Output during Patent equipment airflow screen powder of the present invention is large, fall evenly, be difficult for causing sticky net and network blocking hole, and flour falls steadily when transmitting guipure overdraught laying net for shaping, pressurized is even, helps to improve quality and the efficient of the dry method of paper-making.
Claims (5)
1. two screen cloth multichannels sieve powder air-laid shaped device, it is characterized in that, comprise supply air system and exhaust system, be provided with between supply air system and exhaust system and transmit guipure (3), described exhaust system comprises Y type air channel (4), two outlets in Y type air channel (4) are connected with the outer coaming plate in air channel (7), be provided with bottom air-duct clapboard (11) in the outer coaming plate in air channel (7), be coated with a pair of inclined clapboard (8) on bottom air-duct clapboard (11), some air duct at top dividing plates (6) that be arranged in parallel are installed between 2 inclined clapboards (8), the close Y type of 2 inclined clapboards (8) air channel (4) one ends are equipped with the front shroud (5) parallel with air duct at top dividing plate (6), be provided with triangle between every 2 air duct at top dividing plates (6) and between air duct at top dividing plate (6) and front shroud (5) and cut off (10),
Described supply air system comprises the outer dividing plate (16) that 4 rectangular slabs surround, long to being arranged with the first cylinder mould (12) and the second cylinder mould (14) in parallel along it in outer dividing plate (16), outer dividing plate (16) the one ends position corresponding with the first cylinder mould (12) is provided with the first air supply duct (13), and outer dividing plate (16) other end position corresponding with the second cylinder mould (14) is provided with the second air supply duct (15).
2. according to claim 1 pair of screen cloth multichannel sieve powder air-laid shaped device, is characterized in that, the outer coaming plate in described air channel (7) is " protruding " shape tubular structure without end face for the cross section.
3. according to claim 2 pair of screen cloth multichannel sieves powder air-laid shaped device, it is characterized in that, described 2 inclined clapboards (8) are the inverted "eight" shape setting, and the upper seamed edge of 2 inclined clapboards (8) is connected with 2 upper seamed edges of the outer coaming plate in air channel (7) respectively.
4. according to claim 3 pair of screen cloth multichannel sieves powder air-laid shaped device, it is characterized in that, described bottom air-duct clapboard (11) is by the first dividing plate group, second partition group and central dividing plate (1) consist of, the first dividing plate group and second partition group are positioned at respectively the both sides of the outer coaming plate in air channel (7), central dividing plate (1) is arranged between the first dividing plate group and second partition group, described the first dividing plate group is by the dividing plate a(2 of some cross sections for " L " shape) form, the second partition group is by the dividing plate b(17 of some cross sections for " L " shape) form, described each dividing plate a(2) spacing between equates, each dividing plate b(17) spacing between equates, central dividing plate (1) is apart from dividing plate a(2) with apart from dividing plate b(17) between spacing equate, the outer coaming plate in described the first dividing plate group longitudinal length and air channel (7) is equal in length, second partition group longitudinal length is half of outer coaming plate (7) length in air channel, described the first dividing plate group inclined clapboard (8) lower seamed edge relative with it with inboard one end of second partition group width joins, the cross section of described bottom air-duct clapboard (11) is projected in the cross section projection that is surrounded by the outer coaming plate in air channel (7) and inclined clapboard (8).
5. described pair of screen cloth multichannel of according to claim 1-4 any one sieves powder air-laid shaped device, and described triangle cuts off the isosceles triangle that (10) make progress for drift angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310071383.7A CN103147339B (en) | 2013-03-06 | 2013-03-06 | Double-sieve multichannel sieve powder air flow laying and forming device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310071383.7A CN103147339B (en) | 2013-03-06 | 2013-03-06 | Double-sieve multichannel sieve powder air flow laying and forming device |
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| CN103147339A true CN103147339A (en) | 2013-06-12 |
| CN103147339B CN103147339B (en) | 2015-06-17 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1240491A (en) * | 1996-12-20 | 2000-01-05 | M&J纤维技术有限公司 | Equipment for producing non-woven fibre products |
| US6233787B1 (en) * | 1997-12-23 | 2001-05-22 | Marianne Etlar Eriksen | Fiber distributor |
| US20030010683A1 (en) * | 2000-01-28 | 2003-01-16 | Christensen Kenn Mosgaard | Apparatus for dry-distributing of fibrous materials |
| US20050098910A1 (en) * | 2003-11-07 | 2005-05-12 | Carsten Andersen | Fiber distribution device for dry forming a fibrous product and method |
| US20060230589A1 (en) * | 2003-05-01 | 2006-10-19 | Dan-Web Holding A/S | Method and apparatus for dry forming of a fabric |
| CN203113149U (en) * | 2013-03-06 | 2013-08-07 | 陕西理工机电科技有限公司 | Double-screen multi-channel airflow powder sieving forming device |
-
2013
- 2013-03-06 CN CN201310071383.7A patent/CN103147339B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1240491A (en) * | 1996-12-20 | 2000-01-05 | M&J纤维技术有限公司 | Equipment for producing non-woven fibre products |
| US6233787B1 (en) * | 1997-12-23 | 2001-05-22 | Marianne Etlar Eriksen | Fiber distributor |
| US20030010683A1 (en) * | 2000-01-28 | 2003-01-16 | Christensen Kenn Mosgaard | Apparatus for dry-distributing of fibrous materials |
| US20060230589A1 (en) * | 2003-05-01 | 2006-10-19 | Dan-Web Holding A/S | Method and apparatus for dry forming of a fabric |
| US20050098910A1 (en) * | 2003-11-07 | 2005-05-12 | Carsten Andersen | Fiber distribution device for dry forming a fibrous product and method |
| CN203113149U (en) * | 2013-03-06 | 2013-08-07 | 陕西理工机电科技有限公司 | Double-screen multi-channel airflow powder sieving forming device |
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| CN103147339B (en) | 2015-06-17 |
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