CN202830416U - Spun-bonded suction bellow for production line - Google Patents
Spun-bonded suction bellow for production line Download PDFInfo
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- CN202830416U CN202830416U CN 201220397949 CN201220397949U CN202830416U CN 202830416 U CN202830416 U CN 202830416U CN 201220397949 CN201220397949 CN 201220397949 CN 201220397949 U CN201220397949 U CN 201220397949U CN 202830416 U CN202830416 U CN 202830416U
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- air inlet
- air
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- air outlet
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Abstract
The utility model discloses a spun-bonded suction bellow for production line. The spun-bonded suction bellow comprises an air inlet and an air outlet, wherein the air inlet faces a diffusion duct and is communicated with the air inlet; the inner wall surface of the air inlet is of upright surface structure; the air inlet and the air outlet are connected via a curved transition surface; and the width of the air inlet is larger than that of an interface of the diffusion duct. Compared with the spun-boned suction bellow for production line of the prior art, the spun-bonded suction bellow for production line of the utility model solves the problems of non-woven products that the quality of both sides is poor, weight deviation is big, and the trimming is not neat, thereby greatly increasing the effective utilization rate of cutting coils in subsequent processes.
Description
Technical field
The utility model relates to spun-bonded non-woven fabrics production equipment art, refers in particular to a kind of product line of spinning viscose suction bellows.
Background technology
The manufacturing of spun-bonded non-woven fabrics is substantially: high polymer is by the screw extruder melting, from spinneret orifice out after, drawing-off cooling through the drawing-off air channel, air-flow through diffusor duct slows down again, under the suction wind action, uniformly fibers adsorption is being become on the lace curtaining, forming spun-bonded non-woven fabrics finally by crossing hot rolling.Be adsorbed on in this operation of lace curtaining through diffusor duct at fiber, the uniformity of suction wind directly has influence on the uniformity of fiber lapping.
As shown in Figure 1, at present employed suction bellows 10 of industry ' because air inlet 11 ' internal face for facing design directly, and air inlet 11 ' and air outlet 12 ' between be the project organization of right angle turnover, so that little in the middle of the airflow velocity ratio of both ends of the surface finally causes the thin phenomenon in both sides after the fiber lapping; Simultaneously diffusor duct 20 ' end face with becomes lace curtaining 30 ' friendships interface because the additional of ambient wind being arranged, the swabbing action on both sides weakens, and causes the fiber of both ends of the surface at one-tenth lace curtaining 30 ' lapping moment formation burr.In order to guarantee product quality, traditional way is when cutting coiled material, thin zone, limit is divided as far as possible and is cut away, and the coiled material effective rate of utilization after cutting is generally 88%-90%.
The utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its main purpose provides a kind of product line of spinning viscose suction bellows, and it can make the nonwoven fabric deburring of producing neat, energy Effective Raise nonwoven fabric edge utilization rate, thus overcome the deficiencies in the prior art.
For achieving the above object, the utility model adopts following technical scheme:
A kind of product line of spinning viscose suction bellows, comprise over against the air inlet of diffusor duct setting and the air outlet that is communicated with air inlet, the internal face of this air inlet is the vertical surface project organization, be connected by arc transiting surface between this air inlet and the air outlet, and the width of this air inlet is greater than the width of the docking port of diffusor duct.
Preferably, the week of described air inlet is beneficial to the neat static pressure chamber of deburring, fiber lapping back edge zone along being provided with.
Preferably, described static pressure chamber is that stand out by the docking port of air inlet and diffusor duct partly links to the zone that arc transiting surface surrounds.
Preferably, described air outlet forms along the extension of air inlet both sides.
Preferably, described two air outlets are symmetrical set.
The utility model compared with prior art has obvious advantage and beneficial effect, particularly, as shown from the above technical solution, because the width of ratio diffusor duct of the air inlet width design of these suction bellows is wider, and the side of air inlet be vertical surface, air inlet with air outlet between be connected for arc transiting surface.Take this, when fiber lapping swabbing action, the volt wall effect occurs at arc transiting surface in air motion, thereby improve the air velocity of transition face between air inlet and the air outlet, thereby offset at the friendship interface of diffusor duct and become lace curtaining because the effect that has the air velocity of the additional both sides suction of ambient wind to weaken, guaranteed the uniformity of both ends of the surface and middle being consistent after the fiber lapping; In addition because the wide zone out of air inlet forms the static pressure chamber, the handing-over mouth that is conducive to diffusor duct replenishes toward the static pressure chamber with becoming lace curtaining air inlet place external environment wind, silk is with pneumatic, the fiber at diffusor duct end face lower air duct edge will be adsorbed on on the lace curtaining along diffusor duct end face tangent line when lapping, thereby reduce the formation of burr, play the effect of repairing the edge.When cutting non-woven fabric coiled material, the edge utilization rate can be brought up to 93%-95% by original 88%-90% like this.Compare with the product line of spinning viscose of prior art suction bellows, solved the non-woven cloth products both sides all with spend poor, the grammes per square metre deviation is large, the irregular problem of deburring, has greatly improved the effective rate of utilization of cutting coiled material in subsequent handling.
For more clearly setting forth architectural feature of the present utility model and effect, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the structural representation of the suction bellows of prior art;
Fig. 2 is the structural representation of suction bellows among the embodiment of the utility model.
The accompanying drawing identifier declaration:
10, suction bellows 11, air inlet
111, vertical surface 112, static pressure chamber
12, air outlet 121, arc transiting surface
20, diffusor duct 21, handing-over mouth
30, become lace curtaining.
The specific embodiment
Please refer to shown in Figure 2ly, it has demonstrated the concrete structure of the preferred embodiment of the utility model, and these suction bellows 10 are arranged on diffusor duct 20 rears, is placed with one one-tenth lace curtaining 30 between this diffusor duct 20 and the suction bellows 10.
Wherein, these suction bellows 10 have an air inlet 11, and these air inlet 11 inner both sides extend to form air outlet 12, and this air outlet 12 is communicated with air inlet 11, are used for flowing out for air, and this two air outlet 12 is symmetrical set.In the present embodiment, the internal face of this air inlet 11 is vertical surface 111 project organizations, and is connected for arc transiting surface 121 between air inlet 11 and the air outlet 12, make distinguished and admirable go out more smooth and easy.In addition, arranging over against diffusor duct 20 of the air inlet 11 of these suction bellows 10, the width of the air inlet 11 of these suction bellows 10 is greater than the width of the handing-over mouth 21 of diffusor duct 20, thereby air inlet 11 week of suction bellows 10 along and the handing-over of diffusor duct 20 mouthfuls 21 between the line of stand out part and arc transiting surface 121 zone that surrounds form static pressure chamber 112, this static pressure chamber 112 is positioned at aspirates bellows 10.
Design principle of the present utility model is, under the suction wind effect of suction bellows 10, fiber is adsorbed on on the lace curtaining 30 equably, when fiber lapping swabbing action, the volt wall effect occurs at the arc transiting surface 121 of suction bellows 10 in air motion, so that the negative pressure of air inlet 11 perisporiums equates with the negative pressure of mid portion substantially, the uniformity on fiber lapping Later Zhou Dynasty, one of the Five Dynasties edge and middle being consistent have been guaranteed; In addition because air inlet 11 sides of suction bellows 10 along being formed with static pressure chamber 112, are conducive to the zone deburring of fiber lapping back edge neat.
In sum, design focal point of the present utility model is, the width of the ratio diffusor duct 20 of air inlet 11 width designs of these suction bellows 10 is wider, and is arc transiting surface 121 between air inlet 11 and the air outlet 12, and the side of air inlet 11 is vertical surface 111.Take this, when fiber lapping swabbing action, the volt wall effect occurs at arc transiting surface 121 in air motion, thereby improve the air velocity of transition face between air inlet 11 and the air outlet 12, thereby offset the handing-over of diffusor duct 20 mouthful 21 places with becomes lace curtaining 30 because the effect that has the air velocity of the additional both sides suction of ambient wind to weaken, guaranteed the uniformity of both ends of the surface and being consistent of centre after the fiber lapping; In addition because air inlet 11 wide zones out form static pressure chamber 112, the handing-over mouth 21 that is conducive to diffusor duct 20 replenishes with becoming the past static pressure chamber 112 of lace curtaining 30 air inlet place external environment wind, silk is with pneumatic, the fiber at diffusor duct 20 end face lower air duct edges will be adsorbed on on the lace curtaining 30 along diffusor duct 20 end face tangent lines when lapping, thereby reduce the formation of burr, play the effect of repairing the edge.When cutting non-woven fabric coiled material, the edge utilization rate can be brought up to 93%-95% by original 88%-90% like this.Compare with the product line of spinning viscose of prior art suction bellows, solved the non-woven cloth products both sides all with spend poor, the grammes per square metre deviation is large, the irregular problem of deburring, has greatly improved the effective rate of utilization of cutting coiled material in subsequent handling.
The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, therefore every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment does.
Claims (5)
1. a product line of spinning viscose aspirates bellows, comprise over against the air inlet of diffusor duct setting and the air outlet that is communicated with air inlet, it is characterized in that: the internal face of this air inlet is the vertical surface project organization, be connected by arc transiting surface between this air inlet and the air outlet, and the width of this air inlet is greater than the width of the docking port of diffusor duct.
2. described product line of spinning viscose suction box according to claim 1, it is characterized in that: the week of described air inlet is beneficial to the neat static pressure chamber of deburring, fiber lapping back edge zone along being provided with.
3. described product line of spinning viscose suction box according to claim 2 is characterized in that: described static pressure chamber is that the stand out by the docking port of air inlet and diffusor duct partly links to the zone that arc transiting surface surrounds.
4. described product line of spinning viscose suction box according to claim 1 is characterized in that: described air outlet extends along the air inlet both sides and forms.
5. product line of spinning viscose according to claim 4 aspirates bellows, and it is characterized in that: described two air outlets are symmetrical set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397949 CN202830416U (en) | 2012-08-11 | 2012-08-11 | Spun-bonded suction bellow for production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397949 CN202830416U (en) | 2012-08-11 | 2012-08-11 | Spun-bonded suction bellow for production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202830416U true CN202830416U (en) | 2013-03-27 |
Family
ID=47942166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220397949 Expired - Lifetime CN202830416U (en) | 2012-08-11 | 2012-08-11 | Spun-bonded suction bellow for production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202830416U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155240A (en) * | 2020-01-22 | 2020-05-15 | 宏大研究院有限公司 | Tangential air supplement device for spun-bonded non-woven fabric equipment |
| CN112430908A (en) * | 2020-12-14 | 2021-03-02 | 江苏贝尔机械有限公司 | Downweb air draft device of melt-blown fabric web former |
-
2012
- 2012-08-11 CN CN 201220397949 patent/CN202830416U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155240A (en) * | 2020-01-22 | 2020-05-15 | 宏大研究院有限公司 | Tangential air supplement device for spun-bonded non-woven fabric equipment |
| CN112430908A (en) * | 2020-12-14 | 2021-03-02 | 江苏贝尔机械有限公司 | Downweb air draft device of melt-blown fabric web former |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |