CN204509592U - The cyclone type false-twisting device of the spinning of acid fiber by polylactic one step, false twisting system - Google Patents

Abstract

The cyclone type false-twisting device of the spinning of acid fiber by polylactic one step, false twisting system, comprises frame, it is characterized in that: frame is provided with the identical and staggered S that is arranged side by side of number and twists with the fingers and twist with the fingers to false twister to false twister and Z.The utility model structure is simple, and reasonable in design, be combined into one in spinning and this two procedures of false twisting, a step completes, thus improves production efficiency, avoids tow to produce distortion and occurs beating turning round phenomenon, fully ensure that product quality.

Description

The cyclone type false-twisting device of the spinning of acid fiber by polylactic one step, false twisting system

Technical field

The utility model belongs to chemical production technical field, is specifically related to the cyclone type false-twisting device of the spinning of a kind of acid fiber by polylactic one step, false twisting system.

Background technology

Acid fiber by polylactic is for raw material with amyloid agricultural product such as corn, wheat, beets, generate after lactic acid through fermentation, to make through polycondensation and melt spinning again. acid fiber by polylactic is that a kind of raw material can be planted, easily be planted, and discarded object can the synthetic fiber of natural degradation at occurring in nature.It can be analyzed to carbon dioxide and water through microbial action in soil or seawater, during burning, can not distribute poison gas, can not pollute, and is a kind of ecological fiber of sustainable development.Its fabric panel feel, drapability are good, uvioresistant, have lower combustibility and excellent processing characteristics, are applicable to various fashionable dress, leisure wear, sports goods and amenities etc., have broad application prospects.

At present, PLA carries out false twisting operation again after spinning, and spinning and false twisting operation do not complete on an equipment, and namely spinning and false twisting operation are divided into two steps and carry out, and this not only reduces production efficiency, and affects product quality.In addition, the false twister complex structure that existing false twisting operation adopts, operation inconvenience, often makes tow produce distortion and occurs beating turning round phenomenon.

Utility model content

The utility model in order to solve weak point of the prior art, provide a kind of reasonable in design, structure simple, be easy to manipulation, efficient quick, the acid fiber by polylactic one step spinning of guarantee product quality, the cyclone type false-twisting device of false twisting system.

For solving the problems of the technologies described above, the utility model adopts following technical scheme: the cyclone type false-twisting device of the spinning of acid fiber by polylactic one step, false twisting system, comprise frame, it is characterized in that: frame is provided with the identical and staggered S that is arranged side by side of number and twists with the fingers and twist with the fingers to false twister to false twister and Z;

S twists with the fingers and includes bottom to false twister and Z sth. made by twisting to false twister, the shell body that top and right side are all uncovered, inner housing is provided with in shell body, inner housing inside is provided with cyclone chamber, inner housing front-end and back-end are respectively equipped with the tow be communicated with cyclone chamber and export and tow import, cyclone chamber cross section is in the lateral direction circle, tow exports and correspondence before and after tow import, point on all circular leftmost sides or edge, the rightmost side is all on the line of centres of tow outlet and tow import, cyclone chamber is maximum at the circular radius of line of centres midpoint of tow outlet and tow import, the inner maximum circle place of cyclone chamber circular radius forward or backward reduces gradually,

S twists with the fingers and is provided with the first high pressure blast pipe through shell body and inner housing to the left side level of false twister, and the center line of the first high pressure blast pipe is tangent with maximum circular top side, cyclone chamber inside; Be provided with from top to bottom on the right side of inner housing all export with tow, the first strand that tow import is communicated with cyclone chamber wears passage, the first strand wears passage and is positioned at above cyclone chamber;

Z twists with the fingers and is provided with the second high pressure blast pipe through shell body and inner housing to the left side level of false twister, and the center line of the second high pressure blast pipe is tangent with maximum circular lower side, cyclone chamber inside; Be provided with from top to bottom on the right side of inner housing all export with tow, the second strand that tow import is communicated with cyclone chamber wears passage; Second strand wears passage and is positioned at below cyclone chamber.

Adopt technique scheme, the spinning of acid fiber by polylactic one step, false twisting system also comprise and being located in frame and the filament spinning component set gradually from back to front, rear guide roller set, shaping heat box, front guide roller set and undrawn yarn cylinder; The utility model is located between shaping heat box and front guide roller set.

PLA is made into fibre bundle and first walks around rear guide roller set by filament spinning component, enter into again in shaping heat box and carry out baking sizing, then through the backtwisting of cyclone type false-twisting device, fiber after backtwisting is formed with the AIRJET TEXTURING YARN of bulkiness low elasticity under high pressure revolves wind action, in AIRJET TEXTURING YARN S twist with the fingers to Z twist with the fingers to number identical, AIRJET TEXTURING YARN again through front guide roller set, S twist with the fingers to Z twist with the fingers to the paired twisted of AIRJET TEXTURING YARN after be wound on undrawn yarn cylinder;

The velocity magnitude of described rear guide roller set and front guide roller set is all adjustable.

Described frame is also provided with lateral-blowing air cooling device and tow oiling device between filament spinning component and rear guide roller set, and lateral-blowing air cooling device is positioned at tow oiling device rear.

The spinning of acid fiber by polylactic one step, false twisting system is when working use, blowing first through lateral-blowing air cooling device after tow leaves spinning pack is cooled, then lubricating oil is sprayed through tow oiling device by tow, and then walk around rear guide roller set enter in shaping heat box carry out baking sizing, then through the backtwisting of cyclone type false-twisting device, fiber after backtwisting is formed with the AIRJET TEXTURING YARN of bulkiness low elasticity under high pressure revolves wind action, in AIRJET TEXTURING YARN S twist with the fingers to Z twist with the fingers to number identical, AIRJET TEXTURING YARN is again through front guide roller set, S twist with the fingers to Z twist with the fingers to AIRJET TEXTURING YARN becomes to twist (S sth. made by twisting to twisted filament and Z twist with the fingers to twisted filament merge into mass of fibers) close after be wound on undrawn yarn cylinder.

The concrete use principle that S twists with the fingers to false twister is: before operation, first the head of every rhizoid bar is worn passage through the first strand, strand pierces in cyclone chamber, high-pressure blast is blown in cyclone chamber by the first high pressure blast pipe, whirlwind is formed along cyclone chamber inwall, under the effect of swirling eddy, tow rotates twisting, now twist with the fingers at S and in shaping heat box, formed twisted filament by high-temperature shaping by the tow of twisting to false twister front end, to be twisted tow to false twister front end and to twist with the fingers with S because S twists with the fingers and twisted with the fingers to contrary to false twister rear end by the tow of twisting, the twisted filament through HEAT SETTING of twisting with the fingers to false twister front end as S is twisted with the fingers after false twister by S, twisted filament is by backtwisting (untwisting), form the fluffy low bullet AIRJET TEXTURING YARN of permanent deformation.

Z twists with the fingers identical with the concrete use principle that S twists with the fingers to false twister to false twister, unlike sth. made by twisting on the contrary, so just can make S sth. made by twisting to strand and Z sth. made by twisting to strand obtain also good twisted being wound on undrawn yarn cylinder.

By regulating the false twist tension being contained in the front guide roller set of cyclone type false-twisting device front and back ends and the adjustable strand of velocity of rotation of rear guide roller set.

By the speed of adjustment undrawn yarn cylinder and front guide roller set than adjusting the winding tension adjusting undrawn yarn.

Due to the Z in cyclone type false-twisting device twist with the fingers to false twister and S twist with the fingers to false twister rotary wind to different, strand after false twisting divide S twist with the fingers to Z twist with the fingers to, S twist with the fingers to Z twists with the fingers to strand can doubling before coiling and molding (silk cylinder), to eliminate because fiber turns round phenomenon because twisting with the fingers to beating of generation.

In sum, the spinning of acid fiber by polylactic one step, false twisting system are compared with prior art, tool has the following advantages: the utility model structure is simple, reasonable in design, be combined into one in spinning and this two procedures of false twisting, a step completes, thus improves production efficiency, avoid tow to produce distortion and occur beating turning round phenomenon, fully ensure that product quality.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the structural representation of a cyclone type false-twisting device in Fig. 1;

Fig. 3 is A-A sectional view in Fig. 2, and namely S twists with the fingers the structural representation to false twister;

Fig. 4 is A-A sectional view in Fig. 2, and namely Z twists with the fingers the structural representation to false twister.

Detailed description of the invention

As shown in Figure 1, the cyclone type false-twisting device of acid fiber by polylactic one step of the present utility model spinning, false twisting system, comprise frame 1, frame 1 is provided with filament spinning component 2, rear guide roller set 3 from back to front successively, shaping heat box 4, cyclone type false-twisting device, front guide roller set 5 and undrawn yarn cylinder 6.

PLA is made into fibre bundle and first walks around rear guide roller set 3 by filament spinning component 2, enter into again in shaping heat box 4 and carry out baking sizing, then through the backtwisting of cyclone type false-twisting device, fiber after backtwisting is formed with the AIRJET TEXTURING YARN of bulkiness low elasticity under high pressure revolves wind action, in AIRJET TEXTURING YARN S twist with the fingers to Z twist with the fingers to number identical, AIRJET TEXTURING YARN again through front guide roller set 5, S twist with the fingers to Z twist with the fingers to the paired twisted of AIRJET TEXTURING YARN after be wound on undrawn yarn cylinder 6.

Cyclone type false-twisting device comprises the identical and staggered S that is arranged side by side of number and twists with the fingers and twist with the fingers to false twister 8 to false twister 7 and Z;

S twists with the fingers and includes bottom to false twister 7 and Z sth. made by twisting to false twister 8, the shell body 9 that top and right side are all uncovered, inner housing 10 is provided with in shell body 9, inner housing 10 inside is provided with cyclone chamber 11, inner housing 10 front-end and back-end are respectively equipped with the tow be communicated with cyclone chamber 11 and export 12 and tow import 13, cyclone chamber 11 cross section is in the lateral direction circle, tow exports before and after 12 and tow import 13 corresponding, point on all circular leftmost sides or edge, the rightmost side is all on the line of centres of tow outlet 12 and tow import 13, cyclone chamber 11 is maximum at the circular radius of line of centres midpoint of tow outlet 12 and tow import 13, the inner maximum circle place of cyclone chamber 11 circular radius forward or backward reduces gradually.

As shown in Figures 2 and 3, to twist with the fingers the center line be provided with through the first high pressure blast pipe 14, first high pressure blast pipe 14 of shell body 9 and inner housing 10 to the left side level of false twister 7 tangent with maximum circular top side, cyclone chamber 11 inside for S; Be provided with from top to bottom on the right side of inner housing 10 and all export 12 with tow, the first strand that tow import 13 is communicated with cyclone chamber 11 wears passage 15, the first strand wears passage 15 and is positioned at above cyclone chamber 11.

As shown in Figure 2 and Figure 4, to twist with the fingers the center line be provided with through the second high pressure blast pipe 16, second high pressure blast pipe 16 of shell body 9 and inner housing 10 to the left side level of false twister 8 tangent with maximum circular lower side, cyclone chamber 11 inside for Z; Be provided with from top to bottom on the right side of inner housing 10 and all export 12 with tow, the second strand that tow import 13 is communicated with cyclone chamber 11 wears passage 17; Second strand wears passage 17 and is positioned at below cyclone chamber 11.

The velocity magnitude of rear guide roller set 3 and front guide roller set 5 is all adjustable.

Frame 1 is also provided with lateral-blowing air cooling device 18 and tow oiling device 19 between filament spinning component 2 and rear guide roller set 3, and lateral-blowing air cooling device 18 is positioned at tow oiling device 19 rear.

Filament spinning component 2 in the utility model, rear guide roller set 3, shaping heat box 4, front guide roller set 5, undrawn yarn cylinder 6, lateral-blowing air cooling device 18 and tow oiling device 19 are existing mature technology, and concrete structure repeats no more.

The utility model is when working use, blowing first through lateral-blowing air cooling device 18 after tow 20 leaves spinning pack is cooled, then lubricating oil is sprayed through tow oiling device 19 by tow, and then walk around rear guide roller set 3 enter in shaping heat box 4 carry out baking sizing, then through the backtwisting of cyclone type false-twisting device, fiber after backtwisting is formed with the AIRJET TEXTURING YARN of bulkiness low elasticity under high pressure revolves wind action, in AIRJET TEXTURING YARN S twist with the fingers to Z twist with the fingers to number identical, AIRJET TEXTURING YARN is again through front guide roller set 5, S twist with the fingers to Z twist with the fingers to AIRJET TEXTURING YARN becomes to twist (S sth. made by twisting to twisted filament and Z twist with the fingers to twisted filament merge into mass of fibers) close after be wound on undrawn yarn cylinder 6.

The concrete use principle that S twists with the fingers to false twister 7 is: before operation, first the head of every rhizoid bar 21 is worn passage 15 through the first strand, strand 21 pierces in cyclone chamber 11, high-pressure blast is blown in cyclone chamber 11 by the first high pressure blast pipe 14, whirlwind is formed along cyclone chamber 11 inwall, under the effect of swirling eddy, strand 21 rotates twisting, now twist with the fingers at S and in shaping heat box 4, formed twisted filament by high-temperature shaping by the tow of twisting to false twister 7 front end, to be twisted tow to false twister 7 front end and to twist with the fingers with S because S twists with the fingers and twisted with the fingers to contrary to false twister 7 rear end by the tow of twisting, the twisted filament through HEAT SETTING of twisting with the fingers to false twister 7 front end as S is twisted with the fingers after false twister 7 by S, twisted filament is by backtwisting (untwisting), form the fluffy low bullet AIRJET TEXTURING YARN of permanent deformation.

Z twists with the fingers identical with the concrete use principle that S twists with the fingers to false twister 7 to false twister 8, unlike sth. made by twisting on the contrary, so just can make S sth. made by twisting to strand and Z sth. made by twisting to strand obtain also good twisted being wound on undrawn yarn cylinder 6.

By regulating the false twist tension being contained in the adjustable strand of velocity of rotation of the front guide roller set of cyclone type false-twisting device front and back ends 5 and rear guide roller set 3.

By the speed of adjustment undrawn yarn cylinder 6 and front guide roller set 5 than adjusting the winding tension adjusting undrawn yarn.

Due to the Z in cyclone type false-twisting device twist with the fingers to false twister 8 and S twist with the fingers to false twister 7 rotary wind to different, strand after false twisting divide S twist with the fingers to Z twist with the fingers to, S twist with the fingers to Z twists with the fingers to strand can doubling before coiling and molding (silk cylinder), to eliminate because fiber turns round phenomenon because twisting with the fingers to beating of generation.

Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify to the utility model or equivalent replacement, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model.

Claims (1)

1. the cyclone type false-twisting device of the spinning of acid fiber by polylactic one step, false twisting system, comprises frame, it is characterized in that: frame is provided with the identical and staggered S that is arranged side by side of number and twists with the fingers and twist with the fingers to false twister to false twister and Z;

S twists with the fingers and includes bottom to false twister and Z sth. made by twisting to false twister, the shell body that top and right side are all uncovered, inner housing is provided with in shell body, inner housing inside is provided with cyclone chamber, inner housing front-end and back-end are respectively equipped with the tow be communicated with cyclone chamber and export and tow import, cyclone chamber cross section is in the lateral direction circle, tow exports and correspondence before and after tow import, point on all circular leftmost sides or edge, the rightmost side is all on the line of centres of tow outlet and tow import, cyclone chamber is maximum at the circular radius of line of centres midpoint of tow outlet and tow import, the inner maximum circle place of cyclone chamber circular radius forward or backward reduces gradually,

S twists with the fingers and is provided with the first high pressure blast pipe through shell body and inner housing to the left side level of false twister, and the center line of the first high pressure blast pipe is tangent with maximum circular top side, cyclone chamber inside; Be provided with from top to bottom on the right side of inner housing all export with tow, the first strand that tow import is communicated with cyclone chamber wears passage, the first strand wears passage and is positioned at above cyclone chamber;

Z twists with the fingers and is provided with the second high pressure blast pipe through shell body and inner housing to the left side level of false twister, and the center line of the second high pressure blast pipe is tangent with maximum circular lower side, cyclone chamber inside; Be provided with from top to bottom on the right side of inner housing all export with tow, the second strand that tow import is communicated with cyclone chamber wears passage; Second strand wears passage and is positioned at below cyclone chamber.