CN201062305Y - Channel yarn distributing part in spunbonded web-formation interlaced fabric stream drafting device - Google Patents
Channel yarn distributing part in spunbonded web-formation interlaced fabric stream drafting device Download PDFInfo
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- CN201062305Y CN201062305Y CNU2007200671069U CN200720067106U CN201062305Y CN 201062305 Y CN201062305 Y CN 201062305Y CN U2007200671069 U CNU2007200671069 U CN U2007200671069U CN 200720067106 U CN200720067106 U CN 200720067106U CN 201062305 Y CN201062305 Y CN 201062305Y
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- extension apparatus
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- trapezoidal block
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Abstract
The utility model relates to a channel yarn splitting component used for a spun-bonded web forming nonwoven fabric air steam drawing device. The utility model is installed at the air steam outlet position at the bottom part of the drawing device or positioned at the slit position in the middle of the drawing device. The utility model comprises a trapezoid block body, one side adopts a jagged structure which comprises a plurality of trapezoid teeth arranged into a straight line shape at equal intervals, and a space between two adjacent trapezoid teeth forms a three-dimensional triangular prism-shaped channel; the overall length of the trapezoid block body is equal to the width of the outlet opening or the slit of the drawing device, and the height and the width are much smaller than the length; the volume of the channel is changed from being small to being large from top to bottom and tends to be expanded around; the top end of the channel is connected at the outlet opening position or the slit position of the drawing device, and the edge of the channel is aligned with the edge of the outlet opening of the drawing device. The component is utilized to be favorable for the mixing of fiber in the motion direction perpendicular to a web curtain, the swing of filament in the motion direction perpendicular to the web curtain can be increased, the uniformity of filament web forming is improved, the randomness of the filament web forming is overcome, and the problem that the longitudinal and transverse strength ratio of nonwoven fabrics after the web forming is over large is changed.
Description
Technical field
The utility model belongs to the manufacturing field of chemical fibre, relates to spun-bond process and becomes net non-weaving cloth air drawing device, becomes the passage of net non-weaving cloth air drawing device to divide the silk parts in particular for spun-bond process.
Background technology
At present, spun-bond process commonly used becomes net non-weaving cloth air draft equipment to be divided into three kinds substantially, i.e. tubular type extension apparatus, narrow slit extension apparatus and wide slot formula extension apparatus.In three kinds of devices, the most commonly used is wide slot formula extension apparatus.And for wide slot formula extension apparatus, when the air drawing pressure that uses excessive, when especially adopting the malleation drawing-off, long filament leaves in the extension apparatus exit procedure, owing to be subjected to the influence of factors such as the machining accuracy of drawing-off own, extraneous interference in air flow, be easy to generate with the lace curtaining lapping of long filament of moving on the perpendicular direction irregular.
Nordson Corp had once adopted a kind of " guider " in " the stable filament drawing device that is used for apparatus for melt spinning " patent, had improved long filament uniformity into the net and randomness to a certain extent.But because this device just adopted hatch frame on the direction of motion of lace curtaining, only limited the teeter of long filament, when the lace curtaining speed of service was higher, long filament randomness into the net, unstability were still bigger, and especially it is very bigger than still to brute force in length and breadth.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of spun-bond process that is used for to become the passage of net non-weaving cloth air drawing device to divide a parts, it can not only improve long filament uniformity into the net, overcome long filament randomness into the net, can also fundamentally change over net back non-weaving cloth in length and breadth to brute force than excessive problem.
To achieve these goals, the utility model has adopted following technical scheme:
Spun-bond process becomes the passage of net non-weaving cloth air drawing device to divide the silk parts, be installed on the air flow outlet of described extension apparatus bottom or be positioned at the middle slit place of extension apparatus, its substantive distinguishing features is, it comprises a trapezoidal block, one side of this trapezoidal block is a laciniation, by the uniformly-spaced in-line arrangement of a plurality of stepped tooths, the space between adjacent two stepped tooths promptly constitutes a three-dimensional triangular prism shaped passage;
The overall length of described trapezoidal block equates that with extension apparatus outlet or slit width its height and width are much smaller than its length;
The volume of described passage changes from small to big and the oriented trend that enlarges all around from top to down;
The top of described passage is connected in extension apparatus outlet or slit place, and the edge of passage aligns mutually with the extension apparatus outlet edge.
Above-mentioned passage divides the silk parts, and wherein, the front projection of described trapezoidal block upper trapezoid tooth is trapezoidal, and the opening length of its number and extension apparatus and the width of stepped tooth are suitable.
Above-mentioned passage divides silk parts, wherein, adopts bolt to be connected between described trapezoidal block and the extension apparatus.
Above-mentioned passage divides silk parts, wherein, adopts bonding way to be connected between described trapezoidal block and the extension apparatus.
Owing to adopted above-mentioned technical scheme, the utility model compared with prior art has following advantage and good effect:
The utility model is provided with unique channel design form, when long filament divides the silk parts by this passage, because the volume of passage changes from small to big from top to bottom and the oriented trend that enlarges all around, air-flow can produce diffusion, so fiber is subjected to the viscous friction effect of air-flow to strengthen the spirality downward trend, help fiber vertically with the mixing of the lace curtaining direction of motion, variation has also taken place in flowing of the size of air pressure and air-flow thereupon, and then improve air drawing and become the net uniformity, can reduce and be controlled to net back cloth cover in length and breadth to the brute force ratio, simultaneously, the moving line and the motion mode of long filament have also been influenced, increased long filament in amplitude of fluctuation and number of oscillations, finally realized long filament controllability into the net perpendicular to the lace curtaining direction of motion.
Therefore say, the utility model is realizing that long filament becomes on net controllability, the stable basis, can increase substantially cloth cover in length and breadth to the brute force ratio, with the movement velocity of lace curtaining, become on the basis that the net height degree matches, in length and breadth to brute force than the excellent product performance indications that can be less than 1.
Description of drawings
By following examples and in conjunction with the description of its accompanying drawing, can further understand purpose, specific structural features and the advantage of its invention.In the accompanying drawing,
Fig. 1 is the assembly structure schematic diagram that the utility model passage divides the silk parts;
Fig. 2 is that the passage that links to each other with extension apparatus among Fig. 1 divides the master of silk parts to look (band broken section) structural representation;
Fig. 3 is the left TV structure schematic diagram of Fig. 2;
Fig. 4 is the plan structure schematic diagram of Fig. 2.
Among the figure:
The trapezoidal sawtooth of 1-; The triangular prism shaped passage of 2-; The trapezoidal sawtooth of 3-; The 4-bolt; The 5-extension apparatus; 6-divides the silk parts; The 7-long filament.
Wherein, the length of the branch of the passage shown in figure silk parts only is the part of physical length.
The specific embodiment
Referring to Fig. 1, cooperation is referring to Fig. 2～4, the utility model is used for spun-bond process and becomes the passage of net non-weaving cloth air drawing device to divide a parts 6, be installed on the air flow outlet of extension apparatus 5 bottoms or be positioned at slit place in the middle of the extension apparatus 5, mainly comprise a trapezoidal block, one side of this trapezoidal block is a laciniation, and by the uniformly-spaced in-line arrangement of a plurality of stepped tooths, the space between adjacent two stepped tooths promptly constitutes three-dimensional one by one triangular prism shaped passage 2; The overall length of trapezoidal block equates that with extension apparatus 5 outlets or slit width its height and width are much smaller than its length.
The top of passage 2 is connected in the outlet or the slit place of extension apparatus 5, and the edge of passage 2 aligns mutually with the outlet edge of extension apparatus 5.Like this, long filament 7 is at the three-dimensional triangular prism shaped passage 2 by being constituted between the trapezoidal sawtooth shown in Fig. 2,31,3 smoothly under the effect of air-flow.
The utility model passage divides the passage 2 on the silk parts, and its overall length equates that with extension apparatus 5 outlets or slit width its height and width are much smaller than its length.The top of passage 2 is connected in the outlet or the slit place of extension apparatus 5, the top and bottom width of passage 2 is unequal, the top is little, the bottom is big, make the volume of passage change from small to big from top to bottom, and the trend that enlarges around oriented, therefore air-flow can produce diffusion, fiber filament 7 is subjected to the viscous friction effect of air-flow to strengthen fiber along the helical curve downward trend, help fiber filament 7 vertically with the mixing of the lace curtaining direction of motion, increase long filament 7 in amplitude of fluctuation and number of oscillations, and then realized long filament 7 controllabilitys into the net perpendicular to the lace curtaining direction of motion.
The sawtooth 1,3 of forming the both sides of passage 2 is the prismatic structures that an end links to each other with article body, and the front projection of sawtooth 1,3 is trapezoidal.Passage 2 is the three-dimensional triangular prism cavity of both-side opening, and the front projection of opening is trapezoidal.The number of sawtooth 1,3 is determined by the opening length and the tooth width of extension apparatus 5.
The utility model passage divides the bolt 4 that can adopt as shown in Figure 1 that is connected between silk parts 6 and the extension apparatus 5.Certainly, also can adopt mode such as mutually bonding to connect.
The utility model passage divides the silk parts material that its making is adopted not have other specific (special) requirements, in principle as long as the effect that can resist extraneous high pressure draught is difficult for producing distortion and gets final product.
Claims (4)
1. be used for spun-bond process and become the passage of net non-weaving cloth air drawing device to divide a parts, be installed on the air flow outlet of described extension apparatus bottom or be positioned at the middle slit place of extension apparatus, it is characterized in that,
Comprise a trapezoidal block, a side of this trapezoidal block is a laciniation, and by the uniformly-spaced in-line arrangement of a plurality of stepped tooths, the space between adjacent two stepped tooths promptly constitutes a three-dimensional triangular prism shaped passage;
The overall length of described trapezoidal block equates that with extension apparatus outlet or slit width its height and width are much smaller than its length;
The volume of described passage changes from small to big and the oriented trend that enlarges all around from top to down;
The top of described passage is connected in extension apparatus outlet or slit place, and the edge of passage aligns mutually with the extension apparatus outlet edge.
2. the spun-bond process that is used for according to claim 1 becomes the passage of net non-weaving cloth air drawing device to divide a parts, it is characterized in that, the front projection of described trapezoidal block upper trapezoid tooth is trapezoidal, and the opening length of its number and extension apparatus and the width of stepped tooth are suitable.
3. according to claim 1 and 2ly be used for the passage that spun-bond process becomes net non-weaving cloth air drawing device and divide silk parts, it is characterized in that, adopt bolt to be connected between described trapezoidal block and the extension apparatus.
4. according to claim 1 and 2ly be used for the passage that spun-bond process becomes net non-weaving cloth air drawing device and divide silk parts, it is characterized in that, adopt bonding way to be connected between described trapezoidal block and the extension apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200671069U CN201062305Y (en) | 2007-02-07 | 2007-02-07 | Channel yarn distributing part in spunbonded web-formation interlaced fabric stream drafting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200671069U CN201062305Y (en) | 2007-02-07 | 2007-02-07 | Channel yarn distributing part in spunbonded web-formation interlaced fabric stream drafting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201062305Y true CN201062305Y (en) | 2008-05-21 |
Family
ID=39450675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200671069U Expired - Fee Related CN201062305Y (en) | 2007-02-07 | 2007-02-07 | Channel yarn distributing part in spunbonded web-formation interlaced fabric stream drafting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201062305Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082776A (en) * | 2018-09-21 | 2018-12-25 | 江苏开迪新材料有限公司 | Using endless tow spinning cake as the sub-wire web forming device and implementation method of raw material |
| CN111254587A (en) * | 2020-04-21 | 2020-06-09 | 大连天马可溶制品有限公司 | Triangular box type net laying device |
| CN113373533A (en) * | 2021-06-03 | 2021-09-10 | 四川亿耐特新材料有限公司 | Slit drafting device |
| CN113512775A (en) * | 2021-04-27 | 2021-10-19 | 嘉兴学院 | Preparation facilities of micron order fibre non-woven fabrics |
-
2007
- 2007-02-07 CN CNU2007200671069U patent/CN201062305Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082776A (en) * | 2018-09-21 | 2018-12-25 | 江苏开迪新材料有限公司 | Using endless tow spinning cake as the sub-wire web forming device and implementation method of raw material |
| CN109082776B (en) * | 2018-09-21 | 2024-01-16 | 溧阳市绿茵毯业有限公司 | Filament dividing and net forming device using filament bundle cake as raw material and implementation method |
| CN111254587A (en) * | 2020-04-21 | 2020-06-09 | 大连天马可溶制品有限公司 | Triangular box type net laying device |
| CN113512775A (en) * | 2021-04-27 | 2021-10-19 | 嘉兴学院 | Preparation facilities of micron order fibre non-woven fabrics |
| CN113373533A (en) * | 2021-06-03 | 2021-09-10 | 四川亿耐特新材料有限公司 | Slit drafting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080521 Termination date: 20120207 |