CN208293136U

CN208293136U - For the draw roll of extraordinary polyethylene fibre, drafting machine and drafting system

Info

Publication number: CN208293136U
Application number: CN201820777506.7U
Authority: CN
Inventors: 史小军
Original assignee: Individual
Current assignee: Hebei Hetai Aerospace Technology Co ltd; Liaoning Weiming Chemical Fiber Equipment Manufacturing Co ltd
Priority date: 2018-05-23
Filing date: 2018-05-23
Publication date: 2018-12-28
Anticipated expiration: 2028-05-23

Abstract

The utility model discloses a kind of for the draw roll of special fibre, drafting machine and drafting system, which includes rotation axis, roll body, collet roller and heat-conducting medium pipe, offers first passage and second channel in rotation axis；Roll body is fixedly connected with the rotating shaft；Collet roller has medium entrance, media outlet and hollow media flow chamber, and media flow chamber is connected to first passage by medium entrance, and media flow chamber is connected to second channel by media outlet.The utility model has the following beneficial effects: the thermal efficiency is high, does not have perturbation to fiber, dry it uniformly under stabilization, a tense situation to as-spun fibre, balanced heating, high drafting, No leakage, high efficiente callback extractant.Replace drying box, seven roller drafting machines, drafting heat box in the prior art, spins whole centralized intelligenceization control after high-strength high-modulus polyethylene fiber to reach, promotes product quality, reduces energy consumption, improves row yielding and high-grade-goods rate, reduce recruitment quantity and labor intensity.

Description

For the draw roll of extraordinary polyethylene fibre, drafting machine and drafting system

Technical field

The utility model relates to chemical equipment technical fields, and in particular to a kind of drawing-off for extraordinary polyethylene fibre Roller, drafting machine and drafting system.

Background technique

High-strength high-modulus polyethylene fiber polyethylene fibre is third generation special fibre in the world today, and intensity is up to 30.8cN/dtex, specific strength are highest in chemical fibre, and have the Optimalities such as preferable wear-resisting, impact resistance, corrosion-resistant, fast light Energy.It can be directly prepared into rope, hawser, fishing net and various fabrics: bullet-proof vest and clothes, anti-cutting gloves etc., wherein shellproof The bulletproof effect of clothing is better than aramid fiber.High-strength high-modulus polyethylene fiber is made into the rope of different fiber numbers in the world, instead of biography Steel cable and Sythetic fiber rope of system etc..High-strength high-modulus polyethylene fiber composite material militarily has been used as the shell of armoring weapons Body, the guard shield cover of radar, helmet etc.；Bowstring, sled and aquaplane etc. have been made on sports goods.

In the prior art, high-strength high-modulus polyethylene fiber is stretched as hot-stretch, and as-spun fibre is in hot-air encirclement In the middle, the heating method of fiber is the heat transmitting in drafting heat box by heated air to realize.Drawing-off in the prior art Hot tank mainly takes Cycling hot-blast heating and steam to be heated to be fiber and provides heat source.Because of wind direction, wind speed after hot wind and path effect It can change, cause wind field turbulent.Make as-spun fibre that vibration and be heated irregular generation lousiness, broken end, fibre occur in path It spends and irregular etc. causes quality wild effect.Its heating structure is case structure heater, and gas is easy to stop at cabinet dead angle It is stagnant, turbulent.Path and cabinet cause deformation also due to expanding with heat and contract with cold, and it is that wicket is brought on the outside of cabinet which, which enters a mode, open Enter a side temperature rapid decrease when opening, cause to break end, influences normally to produce.

It is spun after existing high-strength high-modulus polyethylene fiber in high drawing process, uses drafting heat box and seven roller drafting machines for one Group drafting unit, is typically provided three to five drafting units.Each drafting heat box, which respectively sets one into silk and wire vent side, opening Seven roller drafting machine of formula forms multiple drawing-off using two drafting machine linear differentials.Between two drafting machines distance be greater than 6 meters, but Due to horizontal accuracy in manufacture and installation process and bounce trueness error, causes integral level precision overproof, influence multifibres beam and lead Pulling force is unbalanced during stretching, and causes product quality unstable.Simultaneously because drawing-off hot line is opened into silk, filament mouth, drafting machine The design of formula structure is put, all evaporates into workshop after extractant is heated, causes extractant waste and environmental pollution.

Utility model content

It is filled the purpose of this utility model is to provide a kind of for the draw roll of extraordinary polyethylene fibre, drafting machine and drawing-off It sets, to solve the problems, such as that existing as-spun fibre quality is unstable, extractant evaporates into workshop.

To achieve the above object, on the one hand the utility model provides a kind of draw roll for extraordinary polyethylene fibre, Including rotation axis, roll body, collet roller and heat-conducting medium pipe, in which:

First passage and second channel are offered in the rotation axis, the first passage is cylinder, and described second is logical It is circular cylinder that road, which is cross section, the axis of the first passage, the second channel axis with the rotation The axis of axis is overlapped；

The roll body is fixedly connected with the rotation axis；

The collet roller is mounted on the roll body, and the distal end of the collet roller to the rotation axis axis away from With a distance from the distal end to the rotation axis for being greater than the roll body, the collet roller is with medium entrance, media outlet and hollow Media flow chamber, the media flow chamber is connected to the first passage, the media flow chamber by the medium entrance The second channel is connected to by the media outlet.

Further, the media flow is intracavitary is fixed with media lines, and the first end of the media lines is connected to institute State medium entrance, the second end of the media lines extend to the first end of the media flow chamber and with the first end The end cap in portion keeps spacing, and the medium entrance and the media outlet are arranged at the second end of the media flow chamber simultaneously And spacing is kept with the end cap of the second end.

Further, the first passage is connected to the medium entrance by medium inlet pipe, and/or, described Two channels are connected to the media outlet by medium return pipe,

Further, the first passage is connected to the medium entrance, also, the second channel by medium inlet pipe The media outlet is connected to by medium return pipe；

The medium inlet pipe and the medium return pipe are hose；

The medium return pipe and the second channel, the medium return pipe and the media outlet, the medium inlet pipe with The medium entrance passed through the first hose-rigid pipe jointing respectively, the second hose-rigid pipe jointing is connected with third hose-rigid pipe and connect Head connection, with the medium inlet pipe by having the shell of connection cavity to connect, the connection cavity wraps up the first passage In the outside of the first hose-rigid pipe jointing, and the shell and the hose-rigid pipe jointing seal.

Further, the collet roller is made of heat-conducting, and/or, the rotation axis is made of heat-barrier material.

Further, the collet roller is installed in rotation on the roll body.

Further, draw roll further includes rotary joint, and the rotary joint is fixedly and coaxially connected with the rotation axis, and And the first medium transfer passage and second medium for being respectively communicated to first passage and second channel are equipped in the rotary joint Transfer passage, the first medium transfer passage are extremely capable of the medium heater box of heat medium by pipeline connection, and described second Channel passes through pipeline connection to medium heater box.

The utility model on the other hand provide it is a kind of including any above-mentioned draw roll for extraordinary polyethylene fibre Drafting machine, further include pedestal, cabinet, hermatic door and air draft component, in which: the cabinet is fixed on the base, described Rotation axis is installed in rotation on the cabinet, and the hermatic door can open and close to be mounted in the opening of the cabinet to be formed Draft area；The air inlet of the air draft component is arranged on the cabinet and is connected to the draft area, the air draft component Air outlet to far from the cabinet direction extend.

Further, drafting machine further includes lubricating system, and the lubricating system includes grease-box, lubricating pipe and oil Pump, the grease-box are mounted on the base, and the oil pump is mounted on the pedestal or the cabinet；The lubricating oil Case is connected and is formed into a loop by the revolute pair that the lubricating pipe is connected to the rotation axis, and the oil pump is mounted on the profit Slip pipe road；

Two draw rolls arranged one on the other are a roller group, and the drafting machine includes at least one described roller Group, the lubricating system further include the oil header being mounted on the lubricating pipe, and lubricating pipe is connected to each institute State the revolute pair of rotation axis.

The utility model on the one hand provide it is a kind of including any above-mentioned drafting machine for extraordinary polyethylene fibre Drafting system, the quantity of the drafting machine are at least two, and all drafting machines are according to the successively cloth of sequence from left to right It sets.

The utility model has the advantages that

The thermal efficiency is high, does not have perturbation to fiber, carries out it under stabilization, a tense situation to as-spun fibre uniform Drying, balanced heating, high drafting, No leakage, high efficiente callback extractant.Replace in the prior art drying box, seven roller drafting machines, Drafting heat box, to reach the whole centralized intelligenceization control of spinning, promotion product quality, reduction energy after high-strength high-modulus polyethylene fiber Consumption improves row yielding and high-grade-goods rate, reduces recruitment quantity and labor intensity.

Detailed description of the invention

Fig. 1 is the schematic cross-sectional view of an embodiment of draw roll described in the utility model；

Fig. 2 is the schematic cross-sectional view of an embodiment of drafting machine described in the utility model；

Fig. 3 is the partial enlarged view of region Z in Fig. 2.

In figure:

100, pedestal；

200, cabinet；210, end cap；

300, rotary joint；

400, rotation axis；410, first passage；420, second channel；430, insulation part；440, bearing；

510, medium inlet pipe；520, medium return pipe；530, media lines；

600, roll body；

700, collet roller；710, first end；720, the second end；730, media flow chamber；

810, the first hose-rigid pipe jointing；820, the second hose-rigid pipe jointing；830, third hose-rigid pipe jointing； 840, the 4th hose-rigid pipe jointing；

900, hermatic door；910, oil header；920, lubricating pipe；930, suspended hood；940, air-exhausting duct.

Specific embodiment

The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.

Embodiment 1

On the one hand the present embodiment provides a kind of draw roll for extraordinary polyethylene fibre, referring to Fig. 1 comprising rotation Axis 400, roll body 600, collet roller 700 and heat-conducting medium pipe, in which:

First passage 410 and second channel 420 are offered in rotation axis 400, first passage 410 is cylinder, and second is logical It is circular cylinder that road 420, which is cross section, the axis of first passage 410, second channel 420 axis and rotation axis 400 axis is overlapped, mutually independent first passage 410 and second channel 420 be heat-conducting medium provide the channel of entrance with The channel of reflux, and the axis coincidence of first passage 410, second channel 420,400 three of rotation axis, turn so that three is synchronous The cross-sectional shape of first passage 410 and cross-sectional shape and second channel 420 is kept fixed when dynamic, conveys thermally conductive Jie for docking The pipeline of matter provides condition, while the simple structure and convenient processing of rotation axis 400；

Roll body 600 is fixedly connected with rotation axis 400；

Collet roller 700 is mounted on roll body 600, and the distal end of collet roller 700 to rotation axis 400 axis distance it is big In the distal end of roll body 600 to the distance of rotation axis 400, so that as-spun fibre is attached to the distal end of collet roller 700, collet roller 700 With medium entrance, media outlet and hollow media flow chamber 430, media flow chamber 430 is connected to by medium entrance One channel 410, media flow chamber 430 are connected to second channel 420 by media outlet.

As described in the background art, when being heated to as-spun fibre, no matter use hot air circulation or steam used to heat, It finally all can cause the quality of birth fiber unstable due to shaking with uneven heating, and above-mentioned heating method is flowed without air It works at the same time steadily, the vibration of as-spun fibre will not be caused, the quality for guaranteeing that as-spun fibre is stable is conducive to this.

Heat-conducting medium is entered in media flow chamber 430 by first passage 410, medium entrance and is added to collet roller 700 Heat is cooling, and specifically heating or cooling is depending on the temperature of heat-conducting medium, and in addition heating temperature and cooling temperature can be practical Application environment be adjusted, especially may be configured as automatic adjustment mode.

The working principle of the draw roll of the present embodiment is illustrated in the heating: being arranged in media flow chamber 430 Temperature sensor, is arranged the heating temperature control connecting with temperature sensor signal, and setting such as electric heating, gas heating adds Hot component detects media flow to heat to the heat-conducting medium flowed out out of media flow chamber 430, by temperature sensor Actual temperature in chamber 430 simultaneously sends heating temperature control for the temperature signal, when the actual temperature be located at be stored in plus In temperature threshold in hot temperature controller, heating temperature control does not send signal to heating component, and heating component does not work, When actual temperature exceeds temperature threshold, temperature controller sends signal to heating component, and heating component works to heat-conducting medium It is heated, to realize automatic control, certainly, also heating power can be set according to the size of the difference of the two herein, that is, work as reality Border temperature is bigger beyond temperature threshold, and the operating power of heating component is bigger, to achieve the purpose that quickly to heat, works as actual temperature Closer to temperature threshold, the operating power of heating component is smaller, to prevent the temperature of heat-conducting medium to be higher than temperature threshold, meets certainly It can be realized the accurate control to the temperature of heat-conducting medium while dynamic adjusting temperature again.

In addition, heat-conducting medium can select conduction oil, thermally conductive steam etc., electric heating, combustion gas is can be selected in heating method Heating etc..

Utility model people discovery, on the one hand, the physical characteristic that substance presentation is expanded with heat and contract with cold under normal conditions, but nature In be implicitly present in the material (such as: water, antimony, the silica of melting, cubic zirconia tungsten etc.) of the characteristic that expands with cold and contracts with heat；Another party Face carries out conveying material using above-mentioned draw roll and needs to cool down to material, inevitably has in practical application this It needs.Based on above-mentioned two aspect, need to cool down to heat-conducting medium, such as using compressor and evaporator working principle into The heat-conducting medium entered in media flow chamber 430 cools down.Therefore, the draw roll in the present embodiment is applicable not only to medium flow field The situation of heat-conducting medium in dynamic chamber 430 after conveying heating applies also for conveying into media flow chamber 430 after cooling thermally conductive The situation of medium, specifically heating or cooling, depending on working environment.

On the other hand the present embodiment provides a kind of drawing-off for extraordinary polyethylene fibre including above-mentioned draw roll Machine further includes referring to figs. 2 and 3 pedestal, cabinet 200, hermatic door 900 and air draft component, in which:

Pedestal is usually arranged as down big up small structure according to design requirement, to guarantee drafting machine steady operation；

Cabinet 200 is fixed on pedestal 100, and rotation axis 400 is installed in rotation on cabinet 200, due to 600 He of roll body Collet roller 700 is coaxial fixed with rotation axis 400, and rotary inertia is big when rotating synchronously, and therefore, rotation axis 400 passes through at two It is installed in rotation on cabinet 200, is such as installed by bearing 440, utility model people discovery, by the outside (peace of cabinet 200 Opposite side equipped with roll body 600) end cap 210 be made into structure able to turn on or off be more conducive to rotation axis 400 installation, disassembly and turn Secondary service work is moved, therefore sets dismountable structure type for the end cap 210 at this, hermatic door 900 can open and close to pacify To form draft area in the opening of cabinet 200, using hermatic door 900, " path and case described in background technology are avoided Body 200 causes deformation also due to expanding with heat and contract with cold, and it is that 200 outside wicket of cabinet is brought into which, which enters a mode, and when unlatching enters silk Side temperature rapid decrease, causes to break end, and influences normally to produce " situation；

Hermatic door 900 can be used such as left and right push-and-pull, slide up and down specific opening/shutting mode, not limit to above two tool certainly The implementation of body, as long as the opening of cabinet 200 can be sealed by meeting the closure of hermatic door 900.

The air inlet of air draft component is arranged on cabinet 200 and is connected to draft area, and the air outlet of air draft component is to remote Direction from cabinet 200 extends to extractant collection device, and the extractant that air draft component will volatilize to draft area is extracted into extractant It is recycled in collection device, avoids pollution workshop, extractant is recovered reusable after processing, avoids extractant Waste, has fundamentally saved production cost, improves the competitiveness of the product using drafting machine production.

Air draft component includes suspended hood 930, and suspended hood 930 is that Open Side Down and open into media flow chamber 430 Funnel-form, in favor of the extractant at collection volatilization as much as possible.The upper end opening and air-exhausting duct 940 of suspended hood 9300 connect It connects, axial flow blower (being not drawn into figure) is installed on air-exhausting duct 940, to accelerate the discharge of extractant.

Since the drafting machine of the present embodiment includes draw roll above-mentioned, the characteristics of draw roll above-mentioned is had, should Drafting machine is likewise supplied with, and no longer does repeated description.

The another aspect of the present embodiment provides a kind of drawing-off for extraordinary polyethylene fibre including above-mentioned drafting machine Device, the quantity of drafting machine are at least two, and all drafting machines are sequentially arranged according to sequence from left to right.

Pass through the draw roll revolving speed (linear velocity) of the adjacent drafting machine of control any two, to achieve the purpose that drawing-off, reason By upper, how many times of drawing-off no matter are needed, as long as the linear velocity of two drafting machines meets above-mentioned multiple proportion, can specifically be passed through The radius of gyration for increasing collet roller 700, the velocity of rotation for increasing collet roller 700 can be completed, and sky is limited in practical application Between, intensity and driving rotation axis 400 rotate power unit (such as frequency control motor) output power and gear unit (such as tooth Wheel group) the factors such as transmission efficiency influence, set multiple for drafting machine, to reach space, product strength, dynamic property and biography The optimizations such as dynamic characteristic combine.

Due to, drafting system described in the present embodiment includes above-mentioned drafting machine, therefore, what above-mentioned drafting machine had The feature drafting system is likewise supplied with, and no longer does repeated description.

Embodiment 2

On the basis of embodiment 1, utility model people has found, due to outlet and the second channel 420 of first passage 410 Import is located at the same end of rotation axis 400, i.e., horizontal position between the two is smaller, such as directly in the same of media flow chamber 430 One end opens up medium entrance and media outlet, so that the heat-conducting medium of medium entrance left side (left direction is left side as shown in figure 1) Mobility very little causes the phenomenon of the temperature unevenness in media flow chamber 430, therefore fixed Jie in acrobatics media flow chamber 430 Matter conduit 530, the first end of media lines 530 are connected to medium entrance, and the second end of media lines 530 extends to media flow The first end 710 of chamber 430 and spacing is kept with the end cap of first end 710, medium entrance is arranged at media outlet The second end 720 of media flow chamber 430 and with the end cap of the second end 720 keep spacing, by the setting so that leading Thermal medium enters from the first end of media flow chamber 430, then (right direction as shown in figure 1 is the right side) flowing to the right, along thermally conductive Jie Matter flow cavity 430 flows axially through entire heat transfer medium flows chamber 430, so that the temperature in heat transfer medium flows chamber 430 is on a left side It is consistent in right direction, is consistent the temperature of collet roller 700 in the lateral direction, in favor of guaranteeing nascent fibre The stable quality of dimension.

On the basis of embodiment 1, it is installed in rotation on cabinet 200 due to rotation axis 400 by bearing 440 etc., In order to be conducive to rotation, the revolute pair of rotation axis 400 need to be lubricated, therefore, drafting machine further includes lubricating system, the lube system A kind of setting of system are as follows: it includes grease-box, lubricating pipe 920 and oil pump, and grease-box is mounted on pedestal 100, oil pump It is mounted on pedestal 100 or cabinet 200；Under the power effect of oil pump, grease-box is connected to rotation by lubricating pipe 920 The revolute pair and forming circuit of axis 400, oil pump are mounted on lubricating pipe 920；

Two draw rolls arranged one on the other are a roller group, and drafting machine includes at least one roller group, and lubricating system is also Including the oil header 910 being mounted on lubricating pipe 920, lubricating pipe 920 is connected to the rotation of each rotation axis 400 It is secondary.

The quantity of roller group and arrangement form can be configured according to the actual needs, below with the quantity of roller group for two When be illustrated, two roller groups are horizontally disposed, and lower four draw rolls are in rectangular layout from the section direction of rotation axis 400, It is correspondingly rotated the integral multiple (rotation axis 400 at least corresponds to a revolute pair) that the revolute pair of axis 400 is four, is needed at this time Each revolute pair is lubricated, therefore lubricating system further includes the oil header being mounted on lubricating pipe 920 910, lubricating pipe 920 is connected to all revolute pairs of four rotation axis 400 under the action of oil pump, with lubrication.

Embodiment 3

On the basis of embodiment 1 or embodiment 2, first passage 410 goes out with medium entrance, second channel 420 with medium A kind of connection type of mouth are as follows: first passage 410 is connected to medium entrance by medium inlet pipe 510, and/or, second is logical Road 420 is connected to media outlet by medium return pipe 520.

It is connected to medium entrance when the first passage 410 passes through medium inlet pipe 510, also, second channel 420 passes through Jie Matter return pipe 520 is connected in the case of media outlet；

Medium inlet pipe 510 and medium return pipe 520 are hose, are easy for installation and removal using hose, more convenient for the later period It changes, meanwhile, space is saved in hose cocoa bending itself；

Medium return pipe 520 and second channel 420, medium return pipe 520 and media outlet, medium inlet pipe 510 and medium entrance Connected respectively by the first hose-rigid pipe jointing 810, the second hose-rigid pipe jointing 820, third hose-rigid pipe jointing 830 It connects, for first passage 410 with medium inlet pipe 510 by having the shell of connection cavity to connect, it is soft or hard that connection cavity is wrapped in first The outside of pipe jointing 810, and shell and hose-rigid pipe jointing seal.Using hose-rigid pipe jointing, facilitate medium The leakproofness of junction is in turn ensured while the installation of inlet pipe 510 and medium outlet pipe；The left side open communication of shell is to first Channel 410, the right openings of shell are connected to medium entrance, in the first hose-rigid pipe jointing 810 is wrapped in by shell, so that The structure of shell and the first hose-rigid pipe jointing 810 composition four-way, it is compact-sized, it occupies little space, is particularly suitable for narrow The connector in space is converted.

Embodiment 4

On the basis of embodiment 3, collet roller 700 is made of heat-conducting, and/or, rotation axis 400 is by heat-insulated material Material is made.Since the heat of heat-conducting medium is by being transmitted to collet roller 700 after media flow chamber 430, therefore it is required that collet roller 700 It is made of the good material of thermal conductivity, the best material of presently found thermal conductivity is that (its thermal conductivity can reach 1300 to diamond ~2400W/ (m*K)), however since its price is higher, the preferable metal material of thermal conductivity is generallyd use, such as silver, copper, gold and aluminium (sequence successively decreased according to thermal conductivity).In addition, the temperature due to the heat-conducting medium in first passage 410 is higher than second channel 420 The temperature of interior heat-conducting medium, therefore the medium at two passes through the rotation axis 400 between first passage 410 and second channel 420 Insulation part 430 carry out hot transmitting, so as to cause enter media flow chamber 430 in heat-conducting medium temperature reduce, eventually lead to Temperature on collet roller 700 reduces, and is unfavorable for drawing-off operation, therefore, above-mentioned heat transmitting should be reduced as far as by measure, A kind of measure be rotation axis 400 it is whole be made of heat-barrier material or by first passage 410 and second channel 420 separate every Hot portion 430 is made of heat-barrier material；Another measure is that thermal insulation layer is arranged in the inner surface of insulation part 430 and/or outer surface, The effect of low heat transfer drops as much as possible by above two measure, in favor of stablizing the quality of as-spun fibre.

Collet roller 700 is installed in rotation on roll body 600.When collet roller 700 is rotated synchronously with roll body 600, it is being centrifuged The lower heat-conducting medium in media flow chamber 430 of power effect longitudinal (axial direction of collet roller 700) occurs laterally (vertical when flowing The axial direction of collet roller 700) flowing, so that medium temperature in collet roller 700 tends to consistent, especially media flow chamber 430 weeks The heat-conducting medium on side cools down heat-conducting medium fast, inside media flow chamber 430 far from the cooling of collet roller 700 close to collet roller 700 Slowly, the setting is so that the temperature of media flow chamber 430 is consistent in a lateral direction, finally conducive to the product for stablizing as-spun fibre Matter.

Embodiment 5

On the basis of embodiment 3, the one of first passage 410, second channel 420 and medium storage case and medium heater box Kind connection type are as follows: draw roll further includes rotary joint 300, and rotary joint 300 is fixedly and coaxially connected with rotation axis 400, and The first medium transfer passage for being respectively communicated to first passage 410 and second channel 420 and second is equipped in rotary joint 300 to be situated between Matter transfer passage, the medium heater box that first medium transfer passage is extremely capable of heat medium by pipeline connection (are not drawn as in Out), second channel 420 passes through pipeline connection by pipeline connection to medium storage case, medium storage case and medium heater box.

The heat-conducting medium being contained in medium heater box flows into rotary joint 300 under the action of the pump being installed on the pipeline First medium transfer passage after successively through first passage 410, connection cavity, the 4th hose-rigid pipe jointing 840, medium inlet pipe 510, the first hose-rigid pipe jointing 810, medium entrance, media lines 530, media flow chamber 430, media outlet, second soft Hard tube jointing 820, medium return pipe 520, third hose-rigid pipe jointing 830, second channel 420 and second medium conveying are logical It is back to behind road in medium heater box, with the distal end of the collet roller 700 to the outside for being located at value heating chamber (when collet roller 700 Shape when being tubular, this distally refers to the outer wall of collet roller 700) heated, provide to as-spun fibre without path, without friction Heating method.

Herein, the install medium storage case on the pipeline in (the upper direction of flow direction of medium) before medium heater box (being not drawn into figure) installs solenoid valve (being not drawn into figure) on the pipeline between medium storage case and medium heater box, setting control The signal output of the control terminal, temperature sensor of the power unit that device processed, controller and driving rotation axis 400 above-mentioned rotate End, the control terminal of heating component, the equal signal connection of the control terminal of solenoid valve.The temperature value that is detected according to temperature sensor plus The heating power of hot component controls the aperture of solenoid valve, and the needs of automated job are met with this.In addition, setting medium accommodates Case meets the overall situation requirement of energy-saving and emission-reduction until the part heat-conducting medium for being by convection into medium heater box is heated.

Although above having made detailed description to the utility model with generality explanation and specific embodiment, On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want Seek the range of protection.

Claims

1. a kind of draw roll for extraordinary polyethylene fibre, which is characterized in that including rotation axis, roll body, collet roller and thermally conductive Medium tube, in which:

First passage and second channel are offered in the rotation axis, the first passage is cylinder, and the second channel is Cross section is circular cylinder, the axis of the first passage, the second channel axis with the rotation axis Axis is overlapped；

The roll body is fixedly connected with the rotation axis；

The collet roller is mounted on the roll body, and the distance of axis of the distal end of the collet roller to the rotation axis is big In the distal end of the roll body to the distance of the rotation axis, the collet roller has medium entrance, media outlet and hollow Jie Matter flow cavity, the media flow chamber are connected to the first passage by the medium entrance, and the media flow chamber passes through The media outlet is connected to the second channel.

2. the draw roll according to claim 1 for extraordinary polyethylene fibre, which is characterized in that the media flow chamber Media lines are inside fixed with, the first end of the media lines is connected to the medium entrance, the second end of the media lines Extend to the first end of the media flow chamber and with the end cap of the first end keep spacing, the medium entrance with Between the media outlet is arranged at the second end of the media flow chamber and keeps with the end cap of the second end Away from.

3. the draw roll according to claim 1 or 2 for extraordinary polyethylene fibre, which is characterized in that described first is logical Road is connected to the medium entrance by medium inlet pipe, and/or, the second channel is connected to described by medium return pipe Media outlet.

4. draw roll according to claim 3, which is characterized in that the first passage is connected to described by medium inlet pipe Medium entrance, also, the second channel is connected to the media outlet by medium return pipe；

The medium inlet pipe and the medium return pipe are hose；

The medium return pipe and the second channel, the medium return pipe and the media outlet, the medium inlet pipe with it is described Medium entrance passes through the first hose-rigid pipe jointing, the second hose-rigid pipe jointing and third hose-rigid pipe jointing respectively and connects It connects, for the first passage with the medium inlet pipe by having the shell of connection cavity to connect, the connection cavity is wrapped in institute The outside of the first hose-rigid pipe jointing is stated, and the shell and the hose-rigid pipe jointing seal.

5. the draw roll according to claim 4 for extraordinary polyethylene fibre, which is characterized in that the collet roller is by leading Hot material is made, and/or, the rotation axis is made of heat-barrier material.

6. the draw roll according to claim 4 for extraordinary polyethylene fibre, which is characterized in that the collet roller can turn It is mounted on the roll body dynamicly.

7. the draw roll according to claim 4 for extraordinary polyethylene fibre, which is characterized in that further include that rotation connects Head, the rotary joint are fixedly and coaxially connected with the rotation axis, and are equipped in the rotary joint and are respectively communicated to first The first medium transfer passage and second medium transfer passage in channel and second channel, the first medium transfer passage pass through pipe Road is connected to the medium heater box for capableing of heat medium, and the second channel passes through pipeline connection to medium heater box.

8. a kind of drafting machine including the draw roll of any of claims 1-7 for extraordinary polyethylene fibre, It is characterized in that, further includes pedestal, cabinet, hermatic door and air draft component, in which:

The cabinet is fixed on the base, and the rotation axis is installed in rotation on the cabinet, and the hermatic door can It is mounted in the opening of the cabinet to form draft area to opening and closing；

The air inlet of the air draft component is arranged on the cabinet and is connected to the draft area, and the air draft component goes out Air port extends to the direction far from the cabinet.

9. the drafting machine according to claim 8 for extraordinary polyethylene fibre, which is characterized in that further include lube system System, the lubricating system includes grease-box, lubricating pipe and oil pump, and the grease-box is mounted on the base, described Oil pump is mounted on the pedestal or the cabinet；The grease-box is connected to the rotation axis by the lubricating pipe Revolute pair is simultaneously formed into a loop, and the oil pump is mounted on the lubricating pipe；

Two draw rolls arranged one on the other are a roller group, and the drafting machine includes at least one described roller group, institute Stating lubricating system further includes the oil header being mounted on the lubricating pipe, and lubricating pipe is connected to each rotation The revolute pair of axis.

10. a kind of drafting system including described in claim 8 or 9 for the drafting machine of extraordinary polyethylene fibre, feature It is, the quantity of the drafting machine is at least two, and all drafting machines are sequentially arranged according to sequence from left to right.