Summary of the invention
In view of the defective of above-mentioned existing screen pack, a kind of new screen pack of demand in the industry: it can improve the efficient of screen pack, can not separate again, problem such as dislocation.
The invention provides a kind of novel two-layer honeycomb structure filter screen, it interweaves by the indivedual monofilament with lower net and upper wire, thereby two-layer screen pack braiding is combined, two layers of mesh is stably linked mutually, improved the filter efficiency of screen pack greatly, and in use the layer with layer between inconsistent phenomenon can not appear separating.
A first aspect of the present invention relates to a kind of two-layer honeycomb structure filter screen, and it comprises: separate, the stacked two layers of mesh up and down of institutional framework, comprise in the upper wire with lower net in the silk interweave the silk; And/or comprise in the lower net with upper wire in the silk that interweaves of silk, described up and down two layers of mesh couples together by the silk that interweaves.
In a preferred implementation of screen pack of the present invention, the silk that interweaves with the lower floor twine that comprises in the described upper wire is an organizine, and this organizine sinks to the parallel below of lower net; The silk that interweaves with the upper strata twine in the described lower net also is an organizine, floats to the tram top of upper wire on this organizine.
The knit stitches of described levels net is preferably identical.
In another preferred implementation, the silk that interweaves with the lower floor twine that comprises in the described upper wire is: the organizine of the section start of the warp-wise of circulation braiding unit and broadwise in the upper wire; The silk that interweaves with the upper strata twine that comprises in the described lower net is: the organizine of the section start of the warp-wise of circulation braiding unit and broadwise in the lower net.
A second aspect of the present invention relates to the method for preparing two-layer honeycomb structure filter screen of the present invention, wherein two layers of mesh braiding simultaneously on a rapier loom up and down, and in the braiding process,
Organizine and first tram of a, elder generation's braiding upper wire;
B, weave organizine and first tram of lower net again;
C, weave organizine and second tram of upper wire then;
Organizine and second tram of d and then braiding lower net;
According to this kind preparation method, levels is carried out braiding separately in an alternating manner, and the braiding of two layers of mesh all is equivalent to the braiding of individual layer net again about the while;
In the braiding process, make in the upper wire and will interweave with lower floor's twine, and/or make will interweave with the upper strata twine in the lower net with the silk that the upper strata twine interweaves with the silk that lower floor's twine interweaves.
In a preferred implementation of the inventive method, the silk that interweaves with the lower floor twine that comprises in the described upper wire is an organizine, and this organizine sinks to the parallel below of lower net; The silk that interweaves with the upper strata twine in the described lower net also is an organizine, floats to the tram top of upper wire on this organizine;
Interweaving of described levels net carried out like this: when braiding upper wire tram, after that root organizine of the lower net of the last off line junction that will interweave mentioned by heald frame, the upper wire tram is passed under the organizine of mentioning, thus make the described organizine of lower net be in the described tram of upper wire above; And/or when braiding lower net tram, that root organizine of the upper wire of the last off line junction that will interweave is not mentioned, simultaneously all the other organizine are all mentioned by heald frame, pass on that root organizine that the lower net tram is never mentioned, thereby make below the tram that is sunken to lower net under that root organizine of upper wire.
In another preferred implementation of the inventive method, the silk that interweaves with the lower floor twine that comprises in the wherein said upper wire is: the organizine of the section start of the warp-wise of circulation braiding unit and broadwise in the upper wire; The silk that interweaves with the upper strata twine that comprises in the described lower net is: the organizine of the section start of the warp-wise of circulation braiding unit and broadwise in the lower net.
In another preferred implementation of the inventive method, in braiding during upper wire, at the warp-wise of each circulation braiding unit and the section start of broadwise, the organizine of lower net with regard on float to above the tram of upper wire; Or in braiding during lower net, at the warp-wise of each circulation braiding unit and the section start of broadwise, the organizine of upper wire just sinks to below the tram of lower net.
In another preferred implementation of the inventive method, the wherein said warp of two layers of mesh up and down is through in the same group of reed and weaves simultaneously; When the organizine of upper wire was on tram, the organizine of corresponding lower net was below tram.
In another preferred implementation of the inventive method, its braiding structure can be divided into three kinds of one one reed, two reeds and three one reeds.
A third aspect of the present invention relates to the purposes of two-layer honeycomb structure filter screen of the present invention, and it is used for airfiltering product.Wherein said airfiltering product is air-conditioning, air cleaner, dehumidifier or dust-proof material preferably.
The specific embodiment
The weaving manner of a kind of double-deck honeycomb screen pack provided by the invention by interweaving, for example float to the parallel top of upper wire on the warp with lower net, and/or the warp of upper wire is sunk to the parallel below of lower net, be able to two-layer air-conditioning filter net is woven together, two layers of mesh is linked firmly mutually, increased the filter efficiency of screen pack greatly, and in use filtered between stratum reticulare and the layer and inconsistent phenomenon can not occur separating.
Two-layer honeycomb structure air-conditioning filter net provided by the invention, be characterized in forming by the separate net of two layers of tissue structure up and down, by the weaving manner that interweaves two layers of mesh is interconnected, and two layers of mesh is not exclusively overlapping up and down, and upper wire and lower net just constitute the obverse and reverse of a screen pack.
Described two-layer honeycomb structure filter screen, its further characteristics are, two layers of mesh braiding simultaneously on same rapier loom up and down, in the braiding process, weave the tram of lower net earlier behind first tram of braiding upper wire again, levels net alternately braiding separately afterwards, it is the tram that just staggers between the two layers of mesh, if dislocation two or above parallel, then the space between the two layers of mesh increases up and down, influences strainability.The braiding of levels net all is equivalent to individual layer net braiding, then by technology controlling and process the lower net organizine is all sunk during the upper wire braiding and does not participate in the upper strata braiding; Equally, the lower net braiding time is then all mentioned the upper wire organizine by technology controlling and process and is not participated in lower floor's braiding; But every braiding some through tram (one or several braiding unit for example, the number of described braiding unit is not particularly limited, can determine according to actual needs) after, interweave by the some organizine of process means control lower net and the tram of upper wire, or the tram of some organizine by process means control upper wire and lower net interweaves, thereby realizes two layers of mesh connection up and down.Become: the identical or different screen pack of two layers of tissue up and down of two layers of tissue up and down.
In the present invention, in the upper wire will with lower net interweave the silk radical be not particularly limited, in the lower net will with upper wire interweave the silk radical also be not particularly limited.In actual mechanical process, can determine according to actual needs.Generally speaking, the radical of the silk that interweaves is many more, and the connection between the Double-level Reticulated is firm more, but too much interlacing wire can cause the braiding structure of levels net to be affected.Therefore, under the prerequisite of the connection fastness that ensures the levels net, the radical of the silk that interweaves needn't be a lot.
Described two-layer honeycomb structure air-conditioning filter net, its further characteristics are, wherein said process means is meant when braiding upper wire tram, after that root organizine of last off line junction lower net mentioned by heald frame, the upper wire tram is passed under the organizine of mentioning, thereby make the lower net organizine be in weaving manner above the upper wire tram.Or when braiding lower net tram, that root organizine of upper wire under the last off line junction is not mentioned (all the other organizine are all mentioned by heald frame), pass on that root organizine that the lower net tram is never mentioned, thereby make below the tram that is sunken to lower net under that root organizine of upper wire.Two kinds of process meanses all can be realized the stable connection of levels net.
Described two-layer honeycomb structure air-conditioning filter net, its further characteristics be, every braiding some be a braiding unit through tram, if the number through tram is n * m in the braiding unit, expression n root organizine and m root tram are a circulation.The braiding structure of the preferred levels net of the present invention is identical.
The present invention is preferably: at the warp-wise of each braiding unit and the section start of broadwise, interweave between the levels net.For example, be the upper wire of n * m for the braiding unit, when the braiding upper wire, behind n root organizine and m root tram, float on the organizine of lower net above the tram of upper wire.For the braiding unit is the lower net of n * m, and in braiding during lower net, behind n root organizine and m root tram, the organizine of upper wire sinks to below the tram of lower net.
However, in the present invention, also can be every the braiding unit of 2 or 3 or more a plurality of circulations, the levels net once interweaves.Or one the braiding unit in, the levels net carry out more than 1 time interweave for example 2 times or 3 times.This can be decided according to the actual requirements fully.
Described two-layer honeycomb structure air-conditioning filter net, its further characteristics are that the warp of levels net is through in the same group of reed and weaves.When the organizine of upper wire was on tram, the organizine of corresponding lower net was below tram.
Described two-layer honeycomb structure air-conditioning filter net, its further characteristics be, its braiding structure can be divided into three kinds of one one reed, two reeds and three one reeds.
Described two-layer honeycomb structure air-conditioning filter net, its further characteristics be, the density of warp direction is 30~70 monofilament/inches, and the density of weft direction is identical with warp direction.
Described two-layer honeycomb structure air-conditioning filter net, its further characteristics are that the diameter of organizine or tram is 0.12~0.16mm.
Described two-layer honeycomb structure air-conditioning filter net, can be used for air-conditioning, air cleaner, dehumidifier, dust-proof material etc. need carry out in the airfiltering product.
Embodiment
Embodiment 1
Below in conjunction with the braiding unit be 10*12, braiding structure be the double-deck air-conditioning filter net weaving manner of two one reeds the present invention is further described, but do not limit the scope of the invention.
As Fig. 1-shown in Figure 2, among the figure ● the warp of expression upper wire on parallel, ◆ the warp of expression lower net does not have some place explanation warp below parallel on parallel, ★ represents the crosspoint of levels net.
It is that 10*12, braiding structure are the screen pack upper strata of two one reeds that Fig. 1 shows the braiding unit.The institutional framework of upper wire and lower net and braiding unit thereof are identical, the two-layer obverse and reverse that just constitutes a screen pack.Also not exclusively overlapping between upper wire and the lower net, but the tram that staggered, if do not stagger, can't reach requirement on the technology, as if the parallel that staggers more than two or two, then the mesh space between the two layers of mesh increases up and down, influences performance, and warp less than the dislocation, only warp is in the upper-lower position difference of parallel.
It is that 10*12, braiding structure are the double-layer filtering net of two one reeds that Fig. 2 shows a braiding unit.Rectangle among Fig. 2 is a braiding unit 10*12, is a circulation with 10 organizine and 12 trams promptly.On the upper wire weft direction,, float on the organizine of lower net above the tram of upper wire every 10 organizine; On the upper wire warp direction, every 12 trams, float on the organizine of lower net above the tram of upper wire, thereby realized the connection of two layers of mesh.Otherwise on the lower net weft direction, every 10 organizine, the organizine of upper wire sinks to below the tram of lower net; On the lower net warp direction, every 12 trams, the organizine of upper wire sinks to below the tram of lower net, has realized the connection of two layers of mesh equally.Organizine is all controlled by shedding above or below tram.
The double-layer filtering net of preparation packed into use in the air-conditioning, its filter effect is greatly improved than individual layer net.And this double-layer filtering net does not in use have phenomenons such as separation, dislocation.