CN205821562U - It is heated into forming roll and device for spinning for form slub yarn - Google Patents

Abstract

A kind of molding heating roller for forming colorful slub yarn is provided and includes the device for spinning of this molding heating roller.It is heated into forming roll to include: the main part of tubular；Heater, is arranged on described main part；And contact layer, it is coated on the outside of described main part, to contact with processed spinning.Multiple thermal treatment zone and multiple non-power hot-zone is formed on described contact layer, the axial direction being heated into forming roll described in the described thermal treatment zone and edge, non-power hot-zone extends and the most alternately arranged, the described spinning contacted with the thermal treatment zone is heated to form viscoelastic state, the described spinning contacted with non-power hot-zone remains solidification state, thus becomes to have the multiple slubbing portions and the slub yarn of multiple detail portion being alternately arranged by described spin-drawing.By forming the thermal treatment zone and non-power hot-zone on the surface be heated into forming roll, slub yarn can be formed, simplify processing technology, reduce cost of manufacture.

Description

It is heated into forming roll and device for spinning for form slub yarn

Technical field

This utility model relates to a kind of molding heating roller for forming colorful slub yarn, more particularly, it relates to one based on Being heated into forming roll and include this hot briquetting of the slub yarn of one-step method fully drawn yarn (Full Drawn Yarn, FDY) The device for spinning of roller.

Background technology

Colorful slub yarn refers to that filament yarn internal single cable filament fiber has thickness change, crystalline orientation at length direction The filament yarn of the features such as change, dyeing depth change, boiling water shrinkage change, initial modulus change.Traditional handicraft is to pass through Uneven spin-draw technique is formed, and generally the long filament with above-mentioned uneven texture (Thick&Thin) feature is referred to as many Color slub yarn.

Its thickness of the colorful slub yarn joint regularity of distribution crystallization uneven with it being made up through spin-draw of polymer terylene The regularity of distribution of orientation texture is substantially coincident.Therefore typically represent its " Thick& with the regulation and control of the thickness joint regularity of distribution Thin " regulation and control of structure.In existing Technology, generally following several method is used to give " Thick&Thin " structure raw Produce slub yarn: 1. in PET (polyethylene terephthalate (polyethylene terephthalate)) melt spinning process Add the slub yarn that the additives such as many magnesias siloxanes, blended rear spinning, available high-loft and dyeing contrast grade are high；② The slub yarn produced by drawing-off deficiency；3. the slub yarn produced by space drawing；4. slub yarn is produced with deformation technique.

When slub yarn is used for producing weaving face fabric, it is generally desirable to the thickness ratio of slub yarn, the thickness joint regularity of distribution and The characteristic parameters such as its period of change can be designed, control and reproduce, to increase aesthetics.At present, according to existing making In the colorful slub yarn that method makes, it is impossible to be controlled producing position thick, details；Can not be to thick, the rule of details distribution Rule or the frequency of generation ring and cycle are controlled；Can not the diameter ratio of how thick detail section be controlled.

Utility model content

For overcoming the defect of of the prior art above-mentioned or other side, the utility model proposes a kind of many for being formed The molding heating roller of color slub yarn and the device for spinning including this molding heating roller, by shape on the surface be heated into forming roll Become the thermal treatment zone and non-power hot-zone, slub yarn can be formed, simplify processing technology, reduce cost of manufacture.

Embodiment according to an aspect of the present utility model, it is provided that a kind of be heated into forming roll for form slub yarn, Including: the main part of tubular；Heater, is arranged on described main part；And contact layer, it is coated on outside described main part Portion, to contact with processed spinning.Form multiple thermal treatment zone and multiple non-power hot-zone on described contact layer, the described thermal treatment zone and The axial direction being heated into forming roll described in edge, non-power hot-zone extends and the most alternately arranged, the institute contacted with the thermal treatment zone Stating spinning and be heated to form viscoelastic state, the described spinning contacted with non-power hot-zone remains solidification state, thus by described spin-drawing Become there are the multiple slubbing portions and the slub yarn of multiple detail portion being alternately arranged.

According to a kind of embodiment of the present utility model, each described non-power hot-zone is provided with at least one and is formed at described contact The groove extended in Ceng and along described axial direction.

According to a kind of embodiment of the present utility model, each described non-power hot-zone is provided with at least two grooves, and adjacent is recessed Between groove, the supporting part by extending along described axial direction separates, and the width of each described groove is 8mm～13mm.

According to a kind of embodiment of the present utility model, each described non-power hot-zone is provided with a groove.

According to a kind of embodiment of the present utility model, described groove is provided with heat insulating mattress.

According to a kind of embodiment of the present utility model, the thickness of described contact layer is 0.1mm～0.3mm.

According to a kind of embodiment of the present utility model, the degree of depth of each described groove is 0.1mm～0.2mm.

According to a kind of embodiment of the present utility model, each described heater is arranged on described contact layer and described main body Between portion, and include at least one resistance wire extended along described axial direction.

According to a kind of embodiment of the present utility model, the temperature of the described thermal treatment zone is the most identical or different from each other.

According to a kind of embodiment of the present utility model, the number of the described thermal treatment zone and non-power hot-zone is all 4-15.

According to a kind of embodiment of the present utility model, the width of the described thermal treatment zone is the most identical or different from each other.

According to a kind of embodiment of the present utility model, the width of described non-power hot-zone is the most identical or different from each other.

According to a kind of embodiment of the present utility model, described heater is configured to heat the temperature of the described thermal treatment zone To 90 degree～210 degree, rather than the temperature of the thermal treatment zone is not higher than 55 degree.

According to a kind of embodiment of the present utility model, described contact layer is made of ceramic materials.

According to a kind of embodiment of the present utility model, described contact layer is by the mixing material system including titanium oxide and aluminium oxide Become.

According to a kind of embodiment of the present utility model, described aluminium oxide accounts for about the 40% of the weight of described mixing material.

According to this utility model embodiment on the other hand, it is provided that a kind of device for spinning, including: spinning appts, it is constructed Become for spraying pending spinning；Guidance set, is configured for guiding and stretching described spinning, and includes the first hot-rolling With the first sub-wire roller；Stretching assembly, is arranged on the downstream of described guidance set, is configured for stretching described spinning further And form colorful slub yarn, and include the second hot-rolling and the second sub-wire roller；And coiler device, it is configured for described bamboo Joint silk is wound.At least one in described first hot-rolling and the second hot-rolling is the hot briquetting described in any of the above-described embodiment Roller.

Molding heating roller according to above-mentioned various embodiments of the present utility model, device for spinning, manufacture are heated into forming roll Method and the method utilizing device for spinning making slub yarn are spaced many by being formed on molding heating roller surface The individual thermal treatment zone and non-power hot-zone, spinneret the long filament spued can be by zone heating through overmolding heating roller surface, with non-power Silk section corresponding to hot-zone still keeps solidifying state, and the silk section corresponding with the thermal treatment zone is heated to form viscoelastic state, through molding heating roller at the uniform velocity The slub yarn of thickness change can be formed after stretching on long filament, be heated into the thermal treatment zone, forming roll surface and non-power hot-zone by control The parameter such as mutual speed ratio of the temperature difference, distribution arc length and the first hot-rolling and the second hot-rolling, it is possible to achieve colorful to polyester FDY The regulation and control of slub yarn characteristic parameter (thickness joint position, thickness joint distribution frequency and cycle, thickness joint diameter ratio).By above-mentioned side Method and technique, simplify the processing technology of slub yarn, improves the production efficiency of slub yarn, adds the change of slub yarn kind With scope, reduce cost of manufacture.

Accompanying drawing explanation

Understandable in order to make the purpose of this utility model, feature and advantage to become apparent from, real with concrete below in conjunction with the accompanying drawings The utility model is described in further detail to execute example, wherein:

Fig. 1 is the principle schematic diagram of the device for spinning according to a kind of exemplary embodiment of the present utility model；

Fig. 2 is the schematic perspective view being heated into forming roll according to a kind of exemplary embodiment of the present utility model；

Fig. 3 is the floor map in the deployed state of the cylindrical outer surface being heated into forming roll shown in Fig. 2；

Fig. 4 is the schematic partial cross-sectional view being heated into forming roll according to the first exemplary embodiment of the present utility model；

Fig. 5 is the schematic partial cross-sectional view being heated into forming roll according to the second exemplary embodiment of the present utility model；

Fig. 6 is the schematic partial cross-sectional view being heated into forming roll according to the third exemplary embodiment of the present utility model；

Fig. 7 is the schematic partial cross-sectional view being heated into forming roll according to the 4th kind of exemplary embodiment of the present utility model；

Fig. 8 is the schematic partial cross-sectional view being heated into forming roll according to the 5th kind of exemplary embodiment of the present utility model；

Fig. 9 is the circle being heated into forming roll of the first distribution situation of the thermal treatment zone and the non-power hot-zone illustrating and being heated into forming roll Cylindrical outer surface floor map in the deployed state；

Figure 10 be the second distribution situation of the thermal treatment zone and the non-power hot-zone illustrating and being heated into forming roll be heated into forming roll Cylindrical outer surface floor map in the deployed state；

Figure 11 be the third distribution examples of the thermal treatment zone and the non-power hot-zone illustrating and being heated into forming roll be heated into forming roll Cylindrical outer surface floor map in the deployed state；And

Figure 12 be the 4th kind of distribution examples of the thermal treatment zone and the non-power hot-zone illustrating and being heated into forming roll be heated into forming roll Cylindrical outer surface floor map in the deployed state.

Detailed description of the invention

Although this utility model will be fully described with reference to the accompanying drawing containing preferred embodiment of the present utility model, but retouch at this State and should be appreciated that those of ordinary skill in the art can revise utility model described herein before, obtain this practicality new simultaneously The technique effect of type.Thus, it should be understood that above description is one to disclose widely for those of ordinary skill in the art, and Its content does not lies in the exemplary embodiment limited described by this utility model.

It addition, in the following detailed description, for ease of explaining, elaborate that many concrete details are to provide present disclosure Comprehensive understanding of embodiment.It should be apparent, however, that one or more embodiments can also in the case of not having these details It is carried out.In other cases, known construction and device diagrammatically embodies to simplify accompanying drawing.

Fig. 1 is the principle schematic diagram of the device for spinning according to a kind of exemplary embodiment of the present utility model.

See Fig. 1, according to a kind of exemplary embodiment of the present utility model, it is provided that a kind of device for spinning, including: there is spray The spinning appts 100 of filament plate, is configured for spraying pending spinning 1000, such as, utilizes and include many magnesias siloxanes Pending Deng polyethylene terephtalate (polyethylene terephthalate) the material ejection of additive Spinning 1000；Guidance set 200, is configured for guiding and stretching described spinning 1000, and includes the first hot-rolling 201 and use In the first sub-wire roller 202 spinning 1000 being evenly distributed on the first hot-rolling 201；Stretching assembly 300, is arranged on described guiding The downstream of assembly 200, receives the spinning processed by guidance set 200, is configured for stretching described spinning shape further Becoming colorful slub yarn 2000, stretching assembly 300 includes the second hot-rolling 301 and for silk is evenly distributed on the second hot-rolling 301 The second sub-wire roller 302；And coiler device 400, it is configured for described slub yarn 200 is wound.Described first At least one in hot-rolling 201 and the second hot-rolling 301 for according to described in embodiment of the present utility model be heated into forming roll 10 (under Face will be described in).Further, between stretching assembly 300 and coiler device 400, it is additionally provided with network equipment 500, for right Established slub yarn carries out dispersion location, to be wound up into respectively on respective coiler device 400.

Fig. 2 is the schematic perspective view being heated into forming roll according to a kind of exemplary embodiment of the present utility model；Fig. 3 is figure The cylindrical outer surface being heated into forming roll shown in 2 floor map in the deployed state；Fig. 4 is according to of the present utility model The schematic partial cross-sectional view being heated into forming roll of the first exemplary embodiment.

See Fig. 2-4, according to a kind of exemplary embodiment of the present utility model, it is provided that one is used for forming colorful slub yarn Be heated into forming roll 10, described in be heated into the first hot-rolling 201 and the second hot-rolling that forming roll 10 can be used as in above-mentioned device for spinning 301.Being heated into forming roll 10 to include: the main part 1 of tubular, this main part 1 is installed in rotation on support frame (not shown)；Add Thermal 2, is arranged on described main part 1；And the contact layer 3 being made from a material that be thermally conductive, it is coated on outside described main part 1 Portion, to contact with processed spinning.Form multiple thermal treatment zone 31 and multiple non-power hot-zone 32 on described contact layer 3, described in add Hot-zone 31 and non-power hot-zone 32 extend and the most alternately arranged along the described axial direction being heated into forming roll 10, and add The described spinning of hot-zone 31 contact is heated to form viscoelastic state, and the described spinning contacted with non-power hot-zone 32 remains solidification state, from And described spinning 1000 is drawn into there are the multiple slubbing portions and the slub yarn 2000 of multiple detail portion being alternately arranged.

Embodiment according to the further utility model of this utility model, it is provided that a kind of device for spinning utilizing above-described embodiment The method making slub yarn, including: utilize the spinning that spinning appts ejection is pending；Utilize guidance set to guide and stretching is described Spinning；Stretching assembly is utilized to stretch described spinning further and form slub yarn；And utilize coiler device to described slub yarn It is wound.

Include that the above-mentioned device for spinning being heated into forming roll can be applicable in polyester FDY spinning-drawing machine with system of the present utility model Make slub yarn.Specifically, spinneret the long filament (spinning) spued is formed through the hot-stretch that adds of guidance set and stretching assembly Colorful slub yarn, slub yarn is wound on coiler device, completes the single step spining of polyester FDY.Heat effect at heater Under, forming the thermal treatment zone and non-power hot-zone at the circumferential surface being heated into forming roll, the first hot-rolling can be used as godet, and the second hot-rolling is used Do draw roll.The long filament high-speed winding spued as the spinneret of spinning appts the circumference passing sequentially through godet and draw roll Face, the silk section contacted with the thermal treatment zone being heated on forming roll becomes viscoelastic state after being heated, and the silk section contacted with non-power hot-zone keeps For solidification state.Under the original spinning process condition of polyester FDY, the stretcher strain of the silk section being in viscoelastic state and solidification state of spinning And the oriented crystalline structure of strand produces larger difference, thus produce and there is the slubbing portion being relatively large in diameter and less thin of diameter The slub yarn effect in joint portion.It is appreciated that and is heated into the thermal treatment zone, forming roll surface and the temperature difference of non-power hot-zone, distribution arc by control The parameters such as the mutual speed ratio of length and the first hot-rolling and the second hot-rolling, it is possible to achieve slub yarn characteristic parameter colorful to polyester FDY The regulation and control of (thickness joint position, thickness joint distribution frequency and cycle, thickness joint diameter ratio).

In one embodiment, contact layer 3 is made up of the ceramic material that heat conductivility is good, so that heater 2 produces Heat be quickly delivered to spinning.Such as, use ion plating that thermal conductive ceramic is sprayed on the table of main part 1 of heat pipe Face, to form contact layer, the thickness of described contact layer 3 is 0.1mm～0.3mm.

In another kind of embodiment, described contact layer is made up of the mixing material including titanium oxide and aluminium oxide.Aluminium oxide Account for described mixing material weight about 40%.This mixing material is referred to as TA40 (TiO₂-40wt.%Al₂O₃)。

See Fig. 3 and 4, in one embodiment, each described non-power hot-zone 32 be provided with at least two be formed at described in connect In contact layer 3 and along be heated into forming roll axial direction extend groove 321, between adjacent groove 321 by along described axially The supporting part 322 that direction extends separates, so that spinning is being heated into forming roll by even support.During being wound around spinning, Groove 321 forms non-power hot-zone so that groove 321 and supporting part 322 are collectively forming non-power hot-zone 32.Supporting part 322 is permissible It is made up of the material identical with the material forming contact layer 3, it is also possible to be made up of the material being different from contact layer.In each non-power In hot-zone 32, the quantity of groove can be identical or different from each other, thus forms the non-power hot-zone that arc length is identical or different, by This forms slubbing portion and the slub yarn of detail portion with different length.

Fig. 5 is the schematic partial cross-sectional view being heated into forming roll according to the second exemplary embodiment of the present utility model. The difference being heated into forming roll being heated into forming roll and first embodiment of the second embodiment is, adding in first embodiment Heat insulating mattress 323 it is provided with in a groove, preferably to support spinning on the basis of the groove 321 of thermoforming roller.Groove 321 and heat insulation Pad 323 is collectively forming non-power hot-zone 32.

Fig. 6 is the schematic partial cross-sectional view being heated into forming roll according to the third exemplary embodiment of the present utility model. The difference being heated into forming roll being heated into forming roll and first embodiment of the 3rd embodiment is, each described non-power hot-zone It is provided with a groove 324 being formed on described contact layer 3 and extend along the axial direction being heated into forming roll, the 3rd embodiment Groove 324 is the widest relative to the groove 321 of first embodiment.Groove 324 forms non-power hot-zone 32.

Fig. 7 is the schematic partial cross-sectional view being heated into forming roll according to the 4th kind of exemplary embodiment of the present utility model. The difference being heated into forming roll being heated into forming roll and the 3rd embodiment of the 4th embodiment is, recessed in the 3rd embodiment Heat insulating mattress 325 it is provided with in a groove, so that spinning to be supported on the basis of groove 324.Heat insulating mattress 325 forms non-power hot-zone 32.

In the embodiment shown in Fig. 4-7, heater can include resistive heater, and this resistance wire is with spiral winding Mode is arranged on main part 1, thus heats contact layer 3 under the control controlling device (not shown).

According to this utility model embodiment on the other hand, it is provided that a kind of manufacture is heated into the method for forming roll, including as follows Step: the main part 1 of tubular is provided；The periphery of described main part 1 is formed tack coat；Described tack coat is formed There is the contact layer 3 of heat conductivility；And partly remove described contact layer, multiple to be formed at the position not removing contact layer The thermal treatment zone 31, forms multiple non-power hot-zone 32 at the position removing contact layer, and the described thermal treatment zone 31 and non-power hot-zone 32 are along described The axial direction of main part 1 extends and the most alternately arranged.

In one embodiment, the step forming contact layer 3 on described tack coat includes, sprays on described tack coat Including titanium oxide (TiO₂) and aluminium oxide (Al₂O₃) mixing material to form contact layer.Described aluminium oxide accounts for described mixing material Weight about 40%, therefore, this mixing material is referred to as TA40 (TiO₂-40wt.%Al₂O₃)。

Specifically, it is heated into the method for forming roll according to the manufacture of the first embodiment of this utility model to include walking as follows Rapid:

It is made up the main part of tubular of stainless steel material, heater is set in the inside of main part；Afterwards, by main part Circumferential surface blasting craft be roughened, and carry out surface clean with acetone；Leading with plasma spray coating process Body circumferential surface sprays FeCrAl coating thick for about 0.17mm as tack coat, then sprays the thick TA40 of 0.5mm-1mm (TiO₂-40wt.%Al₂O₃) Electromagnetic Heating layer is as contact layer；0.5mm-1mm thickness will be partly removed by blasting craft TA40(TiO₂-40wt.%Al₂O₃) contact layer；1.05mm thickness is coated at the position plasma spray coating process removing contact layer Al₂O₃Thermal barrier coating, to form non-power hot-zone, forms multiple thermal treatment zone at the position not removing contact layer.As such, it is possible to formed This utility model embodiment be heated into forming roll, wherein, the described thermal treatment zone and non-power hot-zone are along the axial direction of described main part Extend and the most alternately arranged；Afterwards, to being heated into, forming roll circumferential surface is unified to be carried out at the fine grinding of 0.1mm Reason is to improve its roundness and surface smoothness.The coating material of different electromagnetic induction effects due to the surface-coated at main part Material, the region composition thermal treatment zone corresponding with the contact layer do not removed, with Al₂O₃The composition non-power hot-zone, region that coating is corresponding.To master The thermal treatment zone of body circumferential surface and the distribution of non-power hot-zone can be designed according to the regularity of distribution of slub yarn and process.

Manufacture according to the first embodiment of this utility model is heated into the method for forming roll and comprises the steps:

It is made up the main part of tubular of stainless steel material, heater is set in the inside of main part；Afterwards, by main part Circumferential surface blasting craft be roughened, and carry out surface clean with acetone；Leading with plasma spray coating process Body circumferential surface sprays FeCrAl coating thick for about 0.17mm as tack coat, then sprays the thick TA40 of 0.3mm-0.6mm (TiO₂-40wt.%Al₂O₃) Electromagnetic Heating layer is as contact layer；0.3mm-0.6mm thickness will be partly removed by blasting craft TA40(TiO₂-40wt.%Al₂O₃) contact layer；Afterwards, to being heated into the unified fine grinding carrying out 0.1mm of forming roll circumferential surface Process to improve its roundness and surface smoothness.Owing to the part on the surface at main part is coated with electromagnetic induction effect Coating material, a part of region does not has electromagnetic induction coating material, the region composition thermal treatment zone corresponding with the contact layer do not removed, The region (grooved area) corresponding with the contact layer removed constitutes non-power hot-zone.As such, it is possible to form this utility model embodiment Be heated into forming roll, wherein, the described thermal treatment zone and non-power hot-zone extend and at circumferencial direction along the axial direction of described main part The distribution of the upper alternately arranged thermal treatment zone to main part circumferential surface and non-power hot-zone can be carried out according to the regularity of distribution of slub yarn Design and processing.

It is heated in forming roll what above-described embodiment was formed, if arc length corresponding to the thermal treatment zone is s₁、s₂、...s_n, order: S =s₁+s₂+...+s_n；

If arc length corresponding to non-power hot-zone is t₁、t₂、...t_n, order: T=t₁+t₂+...+t_n；

Further, if the body diameter being heated into forming roll is Φ, then garden cylinder girth: L=π * Φ=S+T=(s₁+ t₁)+(s₂+t₂)+...+(s_n+t_n)。

Fig. 8 is the schematic partial cross-sectional view being heated into forming roll according to the 5th kind of exemplary embodiment of the present utility model. The difference being heated into forming roll being heated into forming roll and first embodiment of the 5th embodiment is, in non-power hot-zone 32 not shape Become groove (it is to say, non-power hot-zone 32 and the thermal treatment zone 31 have identical structure on contact layer 3), and each described in add Thermal 2 ' is arranged between described contact layer 3 and described main part 1, and includes what at least one extended along described axial direction Resistance wire, has gap 21 between adjacent resistance wire.So, resistance wire can be to the part corresponding with resistance wire of contact layer Carry out local to heat, thus form the thermal treatment zone 31；And not corresponding with the resistance wire other parts temperature of contact layer is relatively low, thus Form non-power hot-zone 32.

In the embodiment shown in Fig. 4-7, ultra-fine blasting craft can be used along being heated into the axial direction of forming roll (with mother The direction that line is parallel) go divided by the ceramic coating formed, to form groove.The degree of depth of each described groove be 0.1mm～ 0.2mm.Further, in the embodiment shown in Fig. 4 and Fig. 5, the width of each described groove is 8mm～13mm.

In one embodiment, described heater 2 be configured to be heated to the temperature of the described thermal treatment zone 31 90 degree～ 210 degree, rather than the temperature of the thermal treatment zone 32 is not higher than 55 degree.

In one embodiment, the temperature of the thermal treatment zone 31 is the most identical or different from each other.The thermal treatment zone and non-power hot-zone Number is all 4-15.The width of the thermal treatment zone is the most identical or different from each other.The width of non-power hot-zone is the most identical or different from each other. So, by control be heated into the thermal treatment zone, forming roll surface 31 and non-power hot-zone 32 the temperature difference, distribution arc length and the first hot-rolling and The parameters such as the mutual speed ratio of the second hot-rolling, it is possible to achieve slub yarn characteristic parameter colorful to polyester FDY (thickness joint position, thickness Joint distribution frequency and the cycle, thickness joint diameter than) regulation and control.

Such as, according to the distribution rule of the length direction of the spinning being formed as long filament slubbing portion to be occurred and detail portion Rule, the regularity of distribution of the periphery upper groove (non-power hot-zone) of the main part of design heat conduction roller, on main part, form pottery with this The thermal treatment zone of ceramic material and non-heated separate the contact layer that thermosphere is alternately arranged.

As it is shown on figure 3, the cylindrical main part being heated into forming roll of the heat conducting ceramic coating formed at ion plating On evenly or unevenly distributed multiple heat conducting ceramic coating (thermal treatment zone) and heat insulation non-power hot-zone (non-power hot-zone).Assume The arc length of the thermal treatment zone 31 correspondence is respectively s₁、s₂、…s_n, total arc length of the most all thermals treatment zone 31 is: S=s₁+s₂+…+s_n；Assume The arc length of non-power hot-zone 32 correspondence is respectively t₁、t₂、…t_n, total arc length of the most all non-power hot-zones 32 is: T=t₁+t₂+…+t_n。

In the case, if the body diameter being heated into forming roll 10 is Φ, garden cylinder girth: L=π * Φ=S+T= (s₁+t₁)+(s₂+t₂)+…+(s_n+t_n)。

It is appreciated that spinning necessary friction force uniform being formed as long filament in order to ensure to be heated into forming roll winding and backing off Property, width and the degree of depth of non-power hot-zone (groove) need to be arranged on zone of reasonableness.

See Fig. 1-3, realize in the technique of zone heating long filament in based on polyester FDY technique, through as spinning appts The spinneret of 100 spues and the spinning 1000 being formed as long filament of cooled and solidified, and high-speed winding also passes through the of guidance set 200 Draw zone is entered after one hot-rolling 201 and the first sub-wire roller 202.In the process, along the first hot-rolling 201 circumferencial direction, spinning The silk section corresponding with the thermal treatment zone 31 of 1000 contacts the heat conducting ceramic coating of the thermal treatment zone and is heated, spinning 1000 and non-heated The silk section of district 32 correspondence is not heated owing to non-heated separates heat, is achieved in the segmentation to polyester filament under the conditions of high-speed winding Heating.Usually, set the theoretical temperatures of the first hot-rolling as 90 DEG C～210 DEG C, the pottery painting with the thermal treatment zone 31 of spinning 1000 The silk section that layer is in close contact is heated to viscoelastic state, and the silk section of non-power hot-zone 32 correspondence remains at solidification state, formed with this viscous Play the long filament of state silk section and solidification state silk spacer segment arrangement.

In one embodiment, the discharge-amount of spinning screw (not shown) is Q (g/min), and spinneret hole count is f, first The rotating speed of hot-rolling the 201, second hot-rolling 301 and winding head 400 is respectively V₁≈ 800～1200 (m/min), V₂(m/min)≈2800 ～4000 (m/min), V₃≈ (0.97～1.05) × V₂, the first hot-rolling 201 and/or the second hot-rolling 301 use combination hot-rolling mould Formula, and the temperature that arranges of the first hot-rolling 201 is 120～210 DEG C, the temperature that arranges of the second hot-rolling 301 is 95～160 DEG C, permissible Spinning 100 is obtained the colorful slub yarn of FDY 2000 having thickness ring, oriented crystalline structure is irregular, the dyeing depth is irregular.

According to various embodiments of the present utility model, by arranging the thermal treatment zone and the temperature of non-power hot-zone, arc length, can be to washing Synthetic fibre FDY colorful slub yarn characteristic parameter includes slub yarn Cycle Length, in the cycle, thickness joint frequency, thickness save length arrangement rule It is set with diameter ratio etc..

Assume that FDY spin-drawing multiple is K ≈ V₂/V₁, usually, draw ratio λ=0.98 in slubbing portion～1.8, the most carefully The draw ratio in joint portion is: ω=(K*L-λ * T)/S.

The Cycle Length assuming the colorful slub yarn of FDY is P, detail portion length sum: ε=ε in the cycle₁+ε₂+…+ε_n, week Slubbing minister degree sum: η=η in phase₁+η₂+…+η_n, and: P=ε+η；

Then: P=L × (V₂/V₁)=π * Φ * (V₂/V₁)

Usually, K ≈ 3.2, then P=3.2*L=3.2* Φ * D, the Cycle Length P of the most colorful slub yarn is generally hot-rolling About 3.2 times of diameter.

Detail portion length sum: ε=ε in cycle₁+ε₂+…+ε_n=ω * S=ω * (s₁+s₂+…+s_n)；

Slubbing minister degree sum: η=η in cycle₁+η₂+…+η_n=λ * T=λ * (t₁+t₂+…+t_n)。

As shown in Figures 3 and 4, have ion plating thermal conductive ceramic formed electric heater coating heat conduction roller (the first hot-rolling and/ Or second hot-rolling) the face of cylinder on distributed multiple groove 321, become FDY after the silk section drawn corresponding with non-power hot-zone many Slubbing (dye deeply) portion of color slub yarn, the details becoming the colorful slub yarn of FDY after the silk section drawn corresponding with the thermal treatment zone is (shallow Dye) portion.Therefore, in the cycle, the frequency of thickness joint is relevant to the number of the thermal treatment zone and non-power hot-zone.

The length in each slubbing portion: η in FDY colorful slub yarn Cycle Length_i=λ * t_i(i=1,2 ... n)；

Wherein: λ is the drafting multiple in slubbing portion, usually, λ=0.98～1.8；

The length of each detail portion: ε in colorful slub yarn Cycle Length_i=ω * s_i(i=1,2 ... n)；

Wherein: ω is the drafting multiple of detail portion,

Then the arrangement regulation of the slubbing portion in the Cycle Length of the colorful slub yarn of polyester FDY and detail portion is:

(K*L-λ*T)/S*s₁、η₁、(K*L-λ*T)/S*s₂、η₂、…(K*L-λ*T)/S*s_n、η_n。

Assume a diameter of δ of the spinning 1000 spued by spinneret, the colorful ring of FDY formed after the second hot-rolling stretching A diameter of d of the detail portion of silk_i, a diameter of D in slubbing portion_i, then in Cycle Length the diameter ratio of slubbing portion and detail portion by under Formula determines:

$\frac{d_i}{D_i}=\sqrt{\frac{\mathrm{\λ}*S}{K*L-\mathrm{\λ}*T}}$

So, long filament ultimate fibre orientation and degree of crystallinity and the distribution situation such as table 1 below of dye level in Cycle Length:

	Birefringence Δ n	Degree of crystallinity (%)	Dye level
				Slub yarn slubbing	0.02～0.04	6～9	Deeply
Slub yarn strand details	0.09～0.12	20～40	Shallow

Table 1

Example 1

Fig. 9 is the circle being heated into forming roll of the first distribution situation of the thermal treatment zone and the non-power hot-zone illustrating and being heated into forming roll Cylindrical outer surface floor map in the deployed state.Assume that this is heated into forming roll and is used as the first hot-rolling shown in Fig. 1, be used for Produce the colorful slub yarn with Cycle Length.

It is heated into a diameter of Φ=220mm, the Zhou Changwei L=691mm of forming roll, uses ion plating being heated into forming roll Plated surface thickness is the heat conducting ceramic coating of 0.2mm.The heat conducting coating being heated into forming roll surface is removed by ultra-fine blasting craft, with Forming groove, multiple grooves form non-heated district.As it is shown in figure 9, the width in the thermal treatment zone that periphery is formed is respectively as follows:

s₁=100mm, s₂=150mm, s₃=80mm, s₄=65mm, then: S=s₁+s₂+s₃+s₄=395mm；

The width of non-power hot-zone is respectively as follows:

t₁=70mm, t₂=60mm, t₃=40mm, t₄=126mm, then: T=t₁+t₂+t₃+t₄=296mm.

It is arranged on being heated into the forming roll the first hot-rolling as guidance set on polyester FDY spinning equipment, the first heat is set Roller, the temperature of the second hot-rolling are respectively 160 DEG C and 120 DEG C, actual measurement and the first hot-rolling ceramic heat district s₁、s₂、s₃、s₄Contact Spinning temperature in 5 seconds rises to 120 DEG C, with non-power hot-zone t₁、t₂、t₃、t₄Long filament temperature in 5 seconds of contact rises to 50 DEG C, the Contact Temperature of the first hot-rolling is maintained at 120 DEG C.Owing to the first hot-rolling has carried out segmentation to the polyester filament of high-speed winding Heating, and make and thermal treatment zone s₁、s₂、s₃、s₄The spinning of contact enters viscoelastic state, with non-power hot-zone t₁、t₂、t₃、t₄Spinning of contact Silk still keeps solidifying state.

Setting spinning screw discharge-amount as Q=450 (g/min), spinneret hole count is f=24f, the first hot-rolling 201, second The rotating speed of hot-rolling 301 and winding head 400 is respectively V₁≈960(m/min)、V₂(m/min)≈3600(m/min)、V₃≈3580 (m/min), then:

In the Cycle Length of colorful slub yarn, FDY spin-drawing multiple K ≈ V₂/V₁=3.75；

The Cycle Length P=L*K=691*3.75=2591.25mm of the colorful slub yarn 2000 formed；

In Cycle Length, the frequency of slubbing portion and detail portion is in 2591.25mm Cycle Length, and the number in slubbing portion is 4, The number of detail portion is 4；

In Cycle Length, the length arrangement rule of slubbing portion and detail portion is as follows: slubbing portion is a length of η after spin-drawing_i =λ * t_i, drafting multiple λ=1.6, slubbing portion, the most each slubbing portion is a length of: η₁=112mm, η₂=96mm, η₃=64mm, η₄= 201.6mm；Detail portion a length of T after spin-drawing in Cycle Length_i=ω * s_i, the drafting multiple ω=(K*L-of detail portion λ * T)/S=5.365, the most each detail portion a length of: ε₁=536.5mm, ε₂=804.78mm, ε₃=429.21mm, ε₄= 348.73mm。

On this basis, it is assumed that a diameter of δ of the spinning spued by spinneret, the FDY formed after the second hot-rolling stretching A diameter of d of the detail portion of colorful slub yarn_i, the diameter in slubbing portion is still D_i, then slubbing portion and detail portion straight in Cycle Length The ratio in footpath is determined by following formula:

$\frac{d_i}{D_i}=\sqrt{\frac{\mathrm{\λ}*S}{K*L-\mathrm{\λ}*T}}=\sqrt{\frac{1.6*395}{3.75*691-1.6*296}}=0.546$

So, long filament ultimate fibre orientation and degree of crystallinity and the distribution situation such as table 2 below of dye level in Cycle Length:

	Birefringence Δ n	Degree of crystallinity (%)	Dye level
				Slub yarn slubbing	0.025	7	Deeply
Slub yarn strand details	0.10	32	Shallow

Table 2

Example 2

Figure 10 be the second distribution situation of the thermal treatment zone and the non-power hot-zone illustrating and being heated into forming roll be heated into forming roll Cylindrical outer surface floor map in the deployed state.Assume that this is heated into forming roll and is used as the first hot-rolling shown in Fig. 1, use In producing the equidistant and intensive slub yarn with Cycle Length.

It is heated into the Zhou Changwei L=720mm of forming roll, uses the ion plating being heated into forming roll plated surface thickness to be The heat conducting ceramic coating of 0.2mm.The heat conducting coating being heated into forming roll surface is removed by ultra-fine blasting craft, to form groove, many Individual groove forms non-heated district.As shown in Figure 10, the width of the thermal treatment zone formed at periphery is respectively as follows:

s₁=40mm, s₂=40mm, s₃=40mm, s₄=40mm, s₆=40mm, s₇=40mm, s₈=40mm, s₉=40mm, s₁₀=40mm, s₁₁=40mm, s₁₂=40mm,

Then: S=s₁+s₂+s₃+s₄+s₅+s₆+s₇+s₈+s₉+s₁₀+s₁₁+s₁₂=480mm；

The width of non-power hot-zone is respectively as follows:

t₁=20mm, t₂=20mm, t₃=20mm, t₄=20mm, t₅=20mm, t₆=20mm, t₇=20mm, t₈=20mm, t₉=20mm, t₁₀=20mm, t₁₁=20mm, t₁₂=20mm, then: T=t₁+t₂+t₃+t₄+t₅+t₆+t₇+t₈+t₉+t₁₀+t₁₁+t₁₂ =240mm；

It is arranged on being heated into the forming roll the first hot-rolling as guidance set on polyester FDY spinning equipment, the first heat is set Roller, the temperature of the second hot-rolling are respectively 180 DEG C and 120 DEG C, actual measurement and the first hot-rolling ceramic heat district s₁、s₂、s₃、s₄、s₅、s₆、 s₇、s₈、s₉、s₁₀、s₁₁、s₁₂Spinning temperature in 5 seconds of contact rises to 130 DEG C, with non-power hot-zone t₁、t₂、t₃、t₄、t₅、t₆、 t₇、t₈、t₉、t₁₀、t₁₁、t₁₂Long filament temperature in 5 seconds of contact rises to 45 DEG C.Due to first hot-rolling terylene to high-speed winding Long filament has carried out zone heating, and makes and thermal treatment zone s₁、s₂、s₃、s₄、s₅、s₆、s₇、s₈、s₉、s₁₀、s₁₁、s₁₂The spinning of contact is entered Enter viscoelastic state, with non-power hot-zone t₁、t₂、t₃、t₄、t₅、t₆、t₇、t₈、t₉、t₁₀、t₁₁、t₁₂The spinning of contact still keeps solidifying state.

Setting spinning screw discharge-amount as Q=350 (g/min), spinneret hole count is f=48f, the first hot-rolling 201, second The rotating speed of hot-rolling 301 and winding head 400 is respectively V₁≈1100(m/min)、V₂(m/min)≈3300(m/min)、V₃≈3280 (m/min), then:

In the Cycle Length of colorful slub yarn, FDY spin-drawing multiple K ≈ V₂/V₁=3,

The Cycle Length P=L*K=720*3=2160mm of the colorful slub yarn 2000 formed；

In Cycle Length, the frequency of slubbing portion and detail portion is in 2160mm Cycle Length, and the number in slubbing portion is 12, carefully The number in joint portion is 12；

In Cycle Length, the length arrangement rule of slubbing portion and detail portion is as follows: slubbing portion is a length of η after spin-drawing_i =λ * t_i, drafting multiple λ=1.3, slubbing portion, the most each slubbing portion is a length of: η₁=η₂=η₃=η₄=η₅=η₆=η₇=η₈=η₉ =η₁₀=η₁₁=η₁₂=26mm；Detail portion a length of T after spin-drawing in Cycle Length_i=ω * s_i, the drawing-off of detail portion times Number ω=(K*L-λ * T)/S=3.85, the most each detail portion a length of: ε₁=ε₂=ε₃=ε₄=ε₅=ε₆=ε₇=ε₈=ε₉= ε₁₀=ε₁₁=ε₁₂=3.85*40=154mm.

On this basis, it is assumed that a diameter of δ of the spinning spued by spinneret, the FDY formed after the second hot-rolling stretching A diameter of d of the detail portion of colorful slub yarn_i, the diameter in slubbing portion is still D_i, then slubbing portion and detail portion straight in Cycle Length The ratio in footpath is determined by following formula:

$\frac{d_i}{D_i}=\sqrt{\frac{\mathrm{\λ}*S}{K*L-\mathrm{\λ}*T}}=\sqrt{\frac{1.3*480}{3*720-1.3*240}}=0.583$

So, long filament ultimate fibre orientation and degree of crystallinity and the distribution situation such as table 3 below of dye level in Cycle Length:

	Birefringence Δ n	Degree of crystallinity (%)	Dye level
				Slub yarn slubbing	0.020	8	Deeply
Slub yarn strand details	0.15	36	Shallow

Table 3

Example 3

Figure 11 be the third distribution situation of the thermal treatment zone and the non-power hot-zone illustrating and being heated into forming roll be heated into forming roll Cylindrical outer surface floor map in the deployed state.Assume that this is heated into forming roll and is used as the first hot-rolling shown in Fig. 1, use In produce have Cycle Length with slubbing as ground, the details slub yarn as speckle.In this is heated into forming roll, the arc of non-power hot-zone The long arc length much larger than the thermal conductive ceramic layer being used as the thermal treatment zone.

It is heated into the Zhou Changwei L=720mm of forming roll, uses the ion plating being heated into forming roll plated surface thickness to be The heat conducting ceramic coating of 0.2mm.In order to be formed with slubbing as ground, the details slub yarn as speckle, be heated into the circumference table of forming roll The arc length of the non-power hot-zone of the formation in face is times over the arc length of heating ceramic layer.As shown in figure 11, in adding that periphery is formed The width of hot-zone is respectively as follows:

s₁=30mm, s₂=30mm, s₃=30mm, s₄=30mm, s₅=30mm, then: S=150mm；

Remove the heat conducting coating being heated into forming roll surface by ultra-fine blasting craft, to form groove, multiple grooves are formed non- The thermal treatment zone.The width of non-power hot-zone is respectively as follows:

t₁=114mm, t₂=114mm, t₃=114mm, t₄=114mm, t₄=114mm, then: T=570mm；

It is arranged on being heated into the forming roll the first hot-rolling as guidance set on polyester FDY spinning equipment, the first heat is set Roller, the temperature of the second hot-rolling are respectively 180 DEG C and 120 DEG C, actual measurement and the first hot-rolling ceramic heat district s₁、s₂、s₃、s₄、s₅Contact Spinning temperature in 5 seconds rise to 130 DEG C, with non-power hot-zone t₁、t₂、t₃、t₄、t₅The long filament of contact temperature in 5 seconds rises It it is 45 DEG C.Owing to the first hot-rolling has carried out zone heating to the polyester filament of high-speed winding, and make and thermal treatment zone s₁、s₂、s₃、s₄、 s₅The spinning of contact enters viscoelastic state, with non-power hot-zone t₁、t₂、t₃、t₄、t₅The spinning of contact still keeps solidifying state.

Setting spinning screw discharge-amount as Q=350 (g/min), spinneret hole count is f=48f, and the spinning of contact still keeps Solidification state V₁≈1500(m/min)、V₂(m/min)≈2780(m/min)、V₃≈ 2750 (m/min), then:

In the Cycle Length of colorful slub yarn, FDY spin-drawing multiple K ≈ V₂/V₁=1.853；

The Cycle Length P=L*K=720*1.853=1334.4mm of the colorful slub yarn 2000 formed；

In Cycle Length, the frequency of slubbing portion and detail portion is in 1334.4mm Cycle Length, and the number in slubbing portion is 5, carefully The number in joint portion is 5；

In Cycle Length, the length arrangement rule of slubbing portion and detail portion is as follows: slubbing portion is a length of η after spin-drawing_i =λ * t_i, drafting multiple λ=1.4, slubbing portion, the most each slubbing portion is a length of: η₁=η₂=η₃=η₄=η₅=159.6mm；Cycle is long Detail portion a length of T after spin-drawing in degree_i=ω * s_i, the drafting multiple ω of detail portion=(K*L-λ * T)/S=3.57, then Each detail portion a length of: ε₁=ε₂=ε₃=ε₄=ε₅=3.57*30=107.23mm.

On this basis, it is assumed that a diameter of δ of the spinning spued by spinneret, the FDY formed after the second hot-rolling stretching A diameter of d of the detail portion of colorful slub yarn_i, the diameter in slubbing portion is still D_i, then slubbing portion and detail portion straight in Cycle Length The ratio in footpath is determined by following formula:

$\frac{d_i}{D_i}=\sqrt{\frac{\mathrm{\λ}*S}{K*L-\mathrm{\λ}*T}}=\sqrt{\frac{1.4*150}{1.853*720-1.4*570}}=0.63$

So, long filament ultimate fibre orientation and degree of crystallinity and the distribution situation such as table 4 below of dye level in Cycle Length:

	Birefringence Δ n	Degree of crystallinity (%)	Dye level
				Slub yarn slubbing	0.025	10	Deeply
Slub yarn strand details	0.18	32	Shallow

Table 4

Example 4

Figure 12 be the 4th kind of distribution situation of the thermal treatment zone and the non-power hot-zone illustrating and being heated into forming roll be heated into forming roll Cylindrical outer surface floor map in the deployed state.Assume that this is heated into forming roll and is used as the first hot-rolling shown in Fig. 1, use In produce have Cycle Length with details as ground, the slubbing slub yarn as speckle.In this is heated into forming roll, the arc length of the thermal treatment zone Arc length much larger than non-power hot-zone.

It is heated into the Zhou Changwei L=720mm of forming roll, uses the ion plating being heated into forming roll plated surface thickness to be The heat conducting ceramic coating of 0.2mm.In order to be formed with slubbing as ground, the details slub yarn as speckle, be heated into the circumference table of forming roll The arc length of the thermal treatment zone that face is formed will be times over the arc length of non-power hot-zone.As shown in figure 12, the thermal treatment zone formed at periphery Width be respectively as follows:

s₁=30mm, s₂=30mm, s₃=30mm, s₄=30mm, s₅=30mm, then: S=150mm；

Remove the heat conducting coating being heated into forming roll surface by ultra-fine blasting craft, to form groove, multiple grooves are formed non- The thermal treatment zone, the width of non-power hot-zone is respectively as follows:

t₁=114mm, t₂=114mm, t₃=114mm, t₄=114mm, t₄=114mm, then: T=570mm；

It is arranged on being heated into the forming roll the first hot-rolling as guidance set on polyester FDY spinning equipment, the first heat is set Roller, the temperature of the second hot-rolling are respectively 180 DEG C and 120 DEG C, actual measurement and the first hot-rolling ceramic heat district s₁、s₂、s₃、s₄、s₅Contact Spinning temperature in 5 seconds rise to 130 DEG C, with non-power hot-zone t₁、t₂、t₃、t₄、t₅Long filament Contact Temperature in 5 seconds is 45 DEG C. Owing to the first hot-rolling has carried out zone heating to the polyester filament of high-speed winding, and make and thermal treatment zone s₁、s₂、s₃、s₄、s₅Contact Spinning enters viscoelastic state, with non-power hot-zone t₁、t₂、t₃、t₄、t₅The spinning of contact still keeps solidifying state.

Setting spinning screw discharge-amount as Q=350 (g/min), spinneret hole count is f=48f, the first hot-rolling 201, second The rotating speed of hot-rolling 301 and winding head 400 is respectively V₁≈1200(m/min)、V₂(m/min)≈3000(m/min)、V₃≈2980 (m/min), then:

In the Cycle Length of colorful slub yarn, FDY spin-drawing multiple K ≈ V₂/V₁=2.5；

The Cycle Length P=L*K=720*2.5=1800mm of the colorful slub yarn 2000 formed；

In Cycle Length, the frequency of slubbing portion and detail portion is in 1800mm Cycle Length, and the number in slubbing portion is 12, carefully The number in joint portion is 12；

In Cycle Length, the length arrangement rule of slubbing portion and detail portion is as follows: slubbing portion is a length of η after spin-drawing_i =λ * t_i, drafting multiple λ=1.2, slubbing portion, the most each slubbing portion is a length of: η₁=η₂=η₃=η₄=η₅=36mm；Cycle Length Interior detail portion is a length of T after spin-drawing_i=ω * s_i, the drafting multiple ω of detail portion=(K*L-λ * T)/S=2.842, then Each detail portion a length of: ε₁=ε₂=ε₃=ε₄=ε₅=2.842*30=85.26mm.

On this basis, it is assumed that a diameter of δ of the spinning spued by spinneret, the FDY formed after the second hot-rolling stretching A diameter of d of the detail portion of colorful slub yarn_i, the diameter in slubbing portion is still D_i, then slubbing portion and detail portion straight in Cycle Length The ratio in footpath is determined by following formula:

$\frac{d_i}{D_i}=\sqrt{\frac{\mathrm{\λ}*S}{K*L-\mathrm{\λ}*T}}=\sqrt{\frac{1.2*570}{2.5*720-1.2*150}}=0.649$

So, long filament ultimate fibre orientation and degree of crystallinity and the distribution situation such as table 5 below of dye level in Cycle Length:

	Birefringence Δ n	Degree of crystallinity (%)	Dye level
				Slub yarn slubbing	0.025	8	Deeply
Slub yarn strand details	0.16	36	Shallow

Table 5

It will be understood to those skilled in the art that embodiment described above is all exemplary, and this area Technical staff can make improvements, the rushing in terms of not recurring structure or principle of the structure described in various embodiments Independent assortment can be carried out in the case of Tu, thus on the basis of solving technical problem of the present utility model, it is achieved more kinds of It is heated into forming roll.

After describing preferred embodiment of the present utility model in detail, those of ordinary skill in the art can be clearly Solve, various change and change can be carried out at the protection domain without departing from appended claims under spirit, and this utility model is also It is not only restricted to the embodiment of examples cited embodiment in description.It should be noted that word " include " being not excluded for other element or Step, word "a" or "an" is not excluded for multiple.It addition, any element numbers of claim should not be construed as limiting this reality By novel scope.

Claims (17)

1. it is heated into a forming roll for form slub yarn, including:

The main part of tubular；

Heater, is arranged on described main part；And

Contact layer, is coated on the outside of described main part, to contact with processed spinning,

Wherein, described contact layer is formed multiple thermal treatment zone and multiple non-power hot-zone, the described thermal treatment zone and non-power hot-zone along described The axial direction being heated into forming roll extends and the most alternately arranged, and the described spinning contacted with the thermal treatment zone is heated to form Viscoelastic state, the described spinning contacted with non-power hot-zone remains solidification state, thus is had by described spin-drawing one-tenth and be alternately arranged Multiple slubbing portions and the slub yarn of multiple detail portion.

Be heated into forming roll the most as claimed in claim 1, wherein, each described non-power hot-zone be provided with at least one be formed at described The groove extended in contact layer and along described axial direction.

Being heated into forming roll the most as claimed in claim 2, wherein, each described non-power hot-zone is provided with at least two grooves, adjacent Groove between separated by the supporting part extended along described axial direction, the width of each described groove is 8mm～13mm.

Being heated into forming roll the most as claimed in claim 2, wherein, each described non-power hot-zone is provided with a groove.

It is heated into forming roll the most as claimed in claim 2, wherein, described groove is provided with heat insulating mattress.

Being heated into forming roll the most as claimed in claim 5, wherein, the thickness of described contact layer is 0.1mm～0.3mm.

Being heated into forming roll the most as claimed in claim 6, wherein, the degree of depth of each described groove is 0.1mm～0.2mm.

Being heated into forming roll the most as claimed in claim 1, wherein, each described heater is arranged on described contact layer and described Between main part, and include at least one resistance wire extended along described axial direction.

9. as described in any one in claim 1-8, be heated into forming roll, wherein, the temperature of the described thermal treatment zone the most identical or Different from each other.

10. as described in any one in claim 1-8, be heated into forming roll, wherein, the described thermal treatment zone and non-power hot-zone Number is all 4-15.

11. are heated into forming roll as claimed in claim 10, and wherein, the width of the described thermal treatment zone is the most identical or different from each other.

12. are heated into forming roll as claimed in claim 11, and wherein, the width of described non-power hot-zone is the most identical or the most not With.

13. are heated into forming roll as described in any one in claim 1-8, and described heater is configured to described heating The temperature in district is heated to 90 degree～210 degree, rather than the temperature of the thermal treatment zone is not higher than 55 degree.

14. are heated into forming roll as described in any one in claim 1-8, and wherein, described contact layer is made of ceramic materials.

15. are heated into forming roll as described in any one in claim 1-8, wherein, described contact layer by include titanium oxide and The mixing material of aluminium oxide is made.

16. are heated into forming roll as claimed in claim 15, and wherein, described aluminium oxide accounts for the weight of described mixing material about 40%.

17. 1 kinds of device for spinning, including:

Spinning appts, is configured for spraying pending spinning；

Guidance set, is configured for guiding and stretching described spinning, and includes the first hot-rolling and the first sub-wire roller；

Stretching assembly, is arranged on the downstream of described guidance set, is configured for stretching described spinning further and being formed many Color slub yarn, and include the second hot-rolling and the second sub-wire roller；And

Coiler device, is configured for being wound described slub yarn,

Wherein, at least one in described first hot-rolling and the second hot-rolling is adding as described in any one in claim 1-16 Thermoforming roller.