CN207047438U - Improve the drawing frame of drawing-off effect - Google Patents

Abstract

The utility model discloses a kind of drawing frame for improving drawing-off effect, including conducting bar roller, cabinet and feed roll motor in cabinet, first break draft roller, front traction roller.The tape divider being additionally provided with cabinet between feed roll motor and conducting bar roller, tape divider include feeding buncher, slitting pipe, vertical slitting knife.Feeding buncher is located in front of slitting pipe, the corresponding slitting pipe of each sliver, and along intersecting vertically and with its axis, direction symmetrically offers the upper feed seam of its insertion slitting tube wall and parallel axis, lower feed is stitched on slitting tube wall.Vertical slitting knife can the edge of a knife towards in the upper feed seam of sliver input direction tight insertion simultaneously, lower feed seam.After all slivers pass through respective slitting pipe, two parts are divided into by respective vertical slitting knife, it is striped after sliver on to have more fibers especially hook solid fiber to be stretched parallel, so as to improve the drawing-off effect to sliver.

Description

Improve the drawing frame of drawing-off effect

Technical field

It the utility model is related to the drafting machinery in cotton spinning field, more particularly to a kind of drafting for improving drawing-off effect Machine.

Background technology

Cotton spinning is cotton fiber to be processed into the spinning process process of cotton yarn, cotton thread.This technical process is also suitable In spinning cotton man-made fibre yarn, mid-fibre-length yarn and cotton and other fiber blend yarns etc..Cotton spinning process, including opening picking, cotton carding, Drafting, carded, rove, spun yarn etc..Opening picking：Raw material cotton is crawled out in the ratio of apolegamy from cotton bag, is mixed evenly, opens Pine removes partial impurities and fault, then assembles the cotton layer of one fixed width, thickness or weight, volume into small cotton block and small flock It is coiled into lap.Opening picking completed with a series of machineries of Blowing-carding Unit, including is captured cotton block from cotton bag and grabbed cotton Machine, the preliminary various openers for carrying out shredding and mixing, cotton blender machine and scutcher of further shredding and cleaning raw cotton etc.. Scutcher may be mounted to winding apparatus so that lap supply carding machine is made；Also winding apparatus can not be dressed up, directly with bulk fiber block, fibre Dimension beam chimneying conveys and distributes to some carding machines, and the latter is referred to as blowing-carding-drawing unit.Cotton carding：Carding machine is fiber block Or fibre bundle pin tooth surface point is combed into as single fiber state, while remove impurity defect that is relatively fine or being adhered on fiber Point, a part of short flannel is also removed, be eventually fabricated sliver output.The sliver of carding machine output, is commonly called as the carded sliver, is regularly deposited in In bar cylinder.Contain the very small amount impurity no more than 0.1% in the carded sliver, it is in hook solid that fiber is most of.In waste cotton is spun, using sieve Carding machine is drawn, the web of output, by yarn count requirement, mechanism is divided into fillet by slitting, rubs with the hands and picks up through rubbing plate, then in spun yarn Spun yarn is directly spun on machine.This yarn has the characteristics of soft, young pilose antler is more, but strength is relatively low, is suitable for the products such as cotton blanket processed.Essence Comb：Small lap is made through drawing-off and conjunction in 20 or so the carded slivers, this process is referred to as Comb preparation procedure.Small lap is fed Combing machine, the both ends of fiber are combed respectively using different faller gills, chopped fiber and impurity is tiltedly gone, combing sliver is made. By the sliver of combing, fibre uniformity and cleanliness factor are good, can spin the combed cotton yarn that quality is good, number is thinner.Drafting：For Spinning uniformly and the higher spun yarn of strength, 6~8 slivers feeding roller formula drawing frame arranged side by side, draws and attenuates sliver through drawing-off And a sliver is accumulated, ensphere bar cylinder.Sliver and closing makes bar dry and structure is all improved, sliver evenly is made. Make straightening of fibers parallel using interfibrous frictional force in drafting process, especially stretch the hook solid fiber in cotton carding sliver It is straight parallel.Mixing in doubling step typically has 2~4.Sliver is commonly called as ripe bar made from drafting, and its thickness is similar to the carded sliver, but structure has Difference.Several slivers are fed side by side during due to drafting, so there is mixing effect.With different ribbons to scale simultaneously Mixed on bar machine, referred to as sliver blending, abbreviation silver mixing.Rove：Ripe bar drawn down, suitably picked up back, make yarn slightly It is tight to pick up, it is wound on bobbin and rove is made, is used so that spinning frame spins.Spun yarn：It is the finishing operation of spun yarn.The thick of feeding Yarn draw and attenuate into required fineness yarn, then twist, be wound into spun yarn.The physical-mechanical properties such as the strength of spun yarn, gloss should accord with Close with post-processing and the requirement of product.

Above-mentioned mixing in doubling step is mainly completed by drawing frame, drawing frame by feeding part, drawing-off part, into groups such as bar parts Into.

Feeding part is made up of feeding bar cylinder, conducting bar roller, sliver pressure roller, feed roll motor etc..Sliver by conducting bar roller and Sliver pressure roller is drawn out of feeding bar cylinder, is sent into drawing-off part by feed roll motor in certain direction.

Drawing-off part is made up of drafter and automatic cleaning apparatus etc., and drafter mainly utilizes the speed of front traction roller Degree is more than first break draft roller and drawing-off effect is produced to sliver.Make straightening of fibers using interfibrous frictional force in drafting process It is parallel, especially make the hook solid straightening of fibers in sliver parallel.The effect of cleaning device is that timely remove is attached in roller and sieve The flyings and dust on surface are drawn, prevent that gathering the sliver in heaps that falls into forms yarn defect, this is particularly important for High-speed Drawing Frame.It is logical Complete to clean frequently with vacuum air draught type automatic cleaning apparatus.

Include bunching mechansim, curved catheter, calender roller, can coiler, sliver can etc. into bar part.Bunching mechansim is by boundling Device, clustering roller, curved catheter etc. form.Buncher is the new collector that metal entrance is big, outlet is small, before being packed in Before drawing rollers, become band sliver is bunched in time, when preventing sliver speedy carding process side fiber scatter and disappear and chaotic, increase Interfibrous cohesive force, reduce winding roller and broken strip phenomenon.The effect of clustering roller is compression sliver, and stable fibers stretch Degree.Curved catheter is a semiclosed or enclosed copper conduit, and sliver is successfully imported curved catheter, prevents sliver from breaking Head blocks curved catheter.The effect of curved catheter and calender roller is sliver to be pressed into close and smooth strip, makes strip Unexpected elongation is reduced when drawing, and increases the capacity of sliver can.The strip compressed through calender roller enters can coiler（See circle Bar）Tube gear, ensphered with cycloid shape in sliver can.

The problem of drawing frame on the market is present at present be：Drafter mainly makes fiber using interfibrous frictional force Stretch parallel, especially make the hook solid straightening of fibers in sliver parallel, and this can only make fiber, the crotch of sliver outer surface substantially Shape straightening of fibers, and it is limited for the fiber inside sliver, the effect of hook solid straightening of fibers.

Utility model content

The technical problem that the utility model solves is the problem of presence for the drawing frame mentioned in background technology, pair simultaneously Bar machine improve and has proposed the utility model, to solve above-mentioned technical problem.

The utility model is to solve the technical scheme that above-mentioned technical problem uses to be：

A kind of drawing frame for improving drawing-off effect, including conducting bar roller, sliver pressure roller, feeding bar cylinder, bar output cylinder, machine Case and feed roll motor in the cabinet, lower dust catcher, upper dust catcher, first break draft roller, front traction roller, into bar boundling Device, clustering roller, curved catheter, calender roller, can coiler, controller, motor, the conducting bar roller are arranged on the cabinet Rear, the sliver pressure roller is provided with the conducting bar roller, the feeding bar cylinder be located at conducting bar roller lower section, described to give Cotton roller is located in front of the conducting bar roller, the curved catheter, clustering roller, into bar buncher, front traction roller, first break draft Roller is sequentially located in front of the feed roll motor, and the calender roller is located at below the curved catheter, and the can coiler is located at Below the calender roller, the bar output cylinder is located at below the can coiler, the upper dust catcher and lower dust catcher difference position In the clustering roller, into above and below bar buncher, front traction roller, first break draft roller, feed roll motor, the control Device, motor are fixed on the enclosure top, are additionally provided with the cabinet between the feed roll motor and conducting bar roller Tape divider, the tape divider include feeding buncher, slitting pipe, vertical slitting knife, and the feeding buncher is positioned at described In front of slitting pipe, the sliver in each input cabinet is correspondingly arranged a slitting pipe, the edge on the slitting tube wall Intersect vertically and with the slitting pipe axis direction and symmetrically offer the upper feed seam for penetrating the slitting tube wall, lower feed Seam, the upper feed seam, lower feed seam parallel to the slitting pipe axis, the vertical slitting knife can the edge of a knife inputted towards sliver Direction is tightly inserted in the upper feed seam, lower feed seam, and the vertical slitting knife can insert the upper feed seam, lower feed simultaneously In seam.

In the described drawing frame for improving drawing-off effect, the tape divider also includes horizontal slices knife, described Intersect direction along level on slitting tube wall and with the slitting pipe axis and also symmetrically offer the insertion slitting tube wall Left feed seam, right feed seam, the position that the left feed seam, right feed are sewn on the slitting tube wall are located at the upper feed The front of seam, lower feed seam, parallel to the slitting pipe axis, the horizontal slices knife can for the left feed seam, right feed seam The edge of a knife is tightly inserted in the left feed seam, right feed seam towards sliver input direction, and the horizontal slices knife can insert institute simultaneously State in left feed seam, right feed seam.

In the described drawing frame for improving drawing-off effect, the tape divider also includes being located at the feeding boundling Four combs between device, slitting pipe, four comb are made up of four pipes being fixed together side by side, all by the slitting The vertical slitting knife, the sliver of horizontal slices knife slitting on pipe sequentially pass through four pipes of four comb.

In the described drawing frame for improving drawing-off effect, one is respectively provided with the vertical slitting knife, horizontal slices knife The handle of convenient use.

In the described drawing frame for improving drawing-off effect, the controller connects and controls the lower dust catcher, on Dust catcher, motor, the motor drive the conducting bar roller, feed roll motor, first break draft roller, front traction roller, clustering roller, Calender roller, can coiler rotate.

The beneficial effects of the utility model are：After all slivers pass through respective slitting pipe, by respective vertical slitting Knife is divided into two parts, is then merged into that single sliver is sent into first break draft roller, front traction roller is drafted through feeding buncher again, There is more fibers especially hook solid fiber to be stretched on sliver after striped parallel, so as to improve the drawing-off to sliver Effect.

Brief description of the drawings

Fig. 1 is the overall structure diagram of drawing frame；

Fig. 2 is the structural representation of the broken strip protection device of drawing frame；

Fig. 3 is the section components structural representation of drawing frame broken strip protection device；

Fig. 4 is the structural representation of the broken bar detection device of drawing frame；

Fig. 5 is the structural representation of the heating gettering roller of drawing frame；

Fig. 6 is the structural representation of the tape divider of drawing frame；

Fig. 7 is the structural scheme of mechanism of the section components of drawing frame tape divider.

Description of reference numerals in figure：1st, conducting bar roller；2nd, sliver pressure roller；3rd, cabinet；4th, bar cylinder is fed；5th, bar output cylinder； 6th, tape divider；7th, gettering roller is heated；8th, broken strip protection device；9th, broken bar detection device；10th, can coiler；11st, lower dust suction Device；12nd, upper dust catcher；13rd, controller；14th, feed roll motor；15a, first break draft roller；15b, front traction roller；16th, Cheng Tiaoji Beam device；17th, clustering roller；18th, curved catheter；19th, calender roller；20th, motor；61st, slitting pipe；62nd, four comb；63rd, feed Buncher；64a, upper feed seam；64b, lower feed seam；65a, left feed seam；65b, right feed seam；66th, vertical slitting knife；67、 Horizontal slices knife；68th, handle；71st, heating tube；72nd, fix bar；73rd, heater；74th, gettering through hole；75th, rotating shaft roller；76th, sieve Draw dust catcher；77th, sweep-up pipe；78th, gettering connecting tube；81st, electromagnet；82nd, suction block；83rd, fixture block；84th, block through hole；85th, support Round bar；86 limited blocks；91st, pressure sensor；92nd, be stressed end；93rd, pressure-measuring pipe.

Embodiment

The utility model is described in further detail with reference to the accompanying drawings and examples：

Drawing frame as shown in Fig. 1 ~ 7, including conducting bar roller 1, sliver pressure roller 2, feeding bar cylinder 4, bar output cylinder 5, cabinet 3, in addition to feed roll motor 14 in the cabinet 3, lower dust catcher 11, upper dust catcher 12, first break draft roller 15a, preceding lead Stretch roller 15b, into bar buncher 16, clustering roller 17, curved catheter 18, calender roller 19, can coiler 10, controller 13, electricity Machine 20.

The conducting bar roller 1 is arranged on the rear of the cabinet 3, and the sliver pressure roller is provided with the conducting bar roller 1 2, the feeding bar cylinder 4 is positioned at the lower section of conducting bar roller 1.

The feed roll motor 14 is positioned at the front of conducting bar roller 1, the curved catheter 18, clustering roller 17, Cheng Tiaoji Beam device 16, front traction roller 15b, first break draft roller 15a are sequentially located at the front of feed roll motor 14.It is gold into bar buncher 16 Belong to the new collector that the entrance made is big, outlet is small, sliver is assembled to banding after into bar buncher 16.

The calender roller 19 is located under the calender roller 19 positioned at the lower section of curved catheter 18, the can coiler 10 Side, the bar output cylinder 5 is positioned at the lower section of can coiler 10.

As shown in figure 1, the upper dust catcher 12 and lower dust catcher 11 are respectively positioned at the clustering roller 17, into bar buncher 16th, front traction roller 15b, first break draft roller 15a, above and below feed roll motor 14.Upper dust catcher 12 and lower dust catcher 11 The flyings and dust attached in equipment surface are removed in time, prevent that gathering the sliver in heaps that falls into forms yarn defect.

The controller 13, motor 20 are fixed on the top of cabinet 3.The controller 13 connects and controls the lower suction Dirt device 11, upper dust catcher 12, motor 20, the motor 20 drive the conducting bar roller 1, feed roll motor 14, first break draft roller 15a, front traction roller 15b, clustering roller 17, calender roller 19, can coiler 10 rotate.

As shown in Fig. 1,6,7, it is additionally provided with the cabinet 3 between the feed roll motor 14 and conducting bar roller 1 Tape divider 6, the tape divider 6 include feeding buncher 63, slitting pipe 61, vertical slitting knife 66.

The feeding buncher 63 is that metal entrance is big, gone out positioned at the front of slitting pipe 61, feeding buncher 63 The small new collector of mouth.Sliver is assembled to banding after feeding buncher 63.

In the present embodiment, slitting pipe 61 is process by antifriction metal (AFM), on the tube wall of slitting pipe 61 along it is vertical and with The axis of slitting pipe 61 intersects direction and symmetrically offers upper feed seam 64a, the lower feed seam for penetrating the tube wall of slitting pipe 61 64b, the upper feed seam 64a, lower feed stitch 64b parallel to the axis of slitting pipe 61.

The vertical slitting knife 66 can the edge of a knife tightly insert the upper feed seam 64a, lower feed seam towards sliver input direction In 64b, i.e., shape of cross section and upper feed seam 64a, the lower feed seam 64b shape of cross sections of vertical slitting knife 66 match.Institute Stating vertical slitting knife 66 can insert in the upper feed seam 64a, lower feed seam 64b simultaneously, i.e., the vertical length of slitting knife 66 is more than The external diameter of slitting pipe 61.After all slivers pass through respective slitting pipe 61, two parts are divided into by respective vertical slitting knife 66, so It is merged into that single sliver is sent into first break draft roller 15a, front traction roller 15b is drafted through feeding buncher 63 again afterwards, it is striped There is more fibers especially hook solid fiber to be stretched on sliver afterwards parallel, so as to improve the drawing-off effect to sliver.

The tape divider 6 also includes horizontal slices knife 67, on the tube wall of slitting pipe 61 along level and with described point The axis of bar pipe 61 intersects direction and also symmetrically offers the left feed seam 65a for penetrating the tube wall of slitting pipe 61, right feed seam 65b, The left feed seam 65a, positions of the right feed seam 65b on the tube wall of slitting pipe 61 on described feed seam 64a, under enter Knife stitches 64b front, and so vertical slitting knife 66, horizontal slices knife 67 will not be encountered together, so as to complete the water to sliver Gentle vertical segmentation.The left feed seam 65a, right feed stitch 65b parallel to the axis of slitting pipe 61, the horizontal slices knife 67 can the edge of a knife tightly insert in the left feed seam 65a, right feed seam 65b towards sliver input direction, i.e. horizontal slices knife 67 Shape of cross section matches with left feed seam 65a, right feed seam 65b shape of cross sections.The horizontal slices knife 67 can be inserted simultaneously Enter in the left feed seam 65a, right feed seam 65b, i.e., the length of horizontal slices knife 67 is more than the external diameter of slitting pipe 61.Sliver is through vertical Slitting knife 66, the slitting of horizontal slices knife 67 are into four strands of small slivers, and which further increases the drawing-off effect to sliver.

In the present embodiment, vertical slitting knife 66, horizontal slices knife 67 use the sheet knife of steel to improve cutting effect And service life.

Sliver in each input cabinet 3 is correspondingly arranged a slitting pipe 61, and the internal diameter of slitting pipe 61 and Corresponding sliver external diameter matches, and is so advantageous to vertical slitting knife 66, segmentation of the horizontal slices knife 67 to sliver.

The tape divider 6 is also included positioned at the feeding buncher 63, four combs 62 between slitting pipe 61, and described four Comb 62 is made up of the pipe of four rigid plastics being fixed together side by side materials, all described on the slitting pipe 61 Vertical slitting knife 66, the sliver of the slitting of horizontal slices knife 67 sequentially pass through four pipes of four comb 62.All slivers By vertical slitting knife 66, the slitting of horizontal slices knife 67 into four pipes that four comb 62 is sequentially passed through after four strands of small slivers Afterwards, then through feeding buncher 63 it is merged into that single sliver is sent into first break draft roller 15a, front traction roller 15b is drafted, it is such Drawing-off effect is more preferable, i.e., more fibers especially hook solid fiber is stretched parallel on sliver, so as to substantially increase pair The drawing-off effect of sliver.

The handle 68 of a convenient use is respectively provided with the vertical slitting knife 66, horizontal slices knife 67.Handle 68 can be with Make vertical slitting knife 66, horizontal slices knife 67 are more stable to be limited in feed seam 64a, lower feed seam 64b, left feed seam 65a, the right side Without movement in feed seam 65b.

As shown in Figure 1,5, it is additionally provided with the cabinet 3 between the feed roll motor 14 and first break draft roller 15a Heating gettering roller 7, the heating gettering roller 7 includes heating tube 71, fix bar 72, heater 73, rotating shaft roller 75, roller Dust catcher 76.

The heating tube 71 is made up of heat-conducting metal, and heating tube 71 is processed into using copper metal material in the present embodiment.

The internal diameter of heating tube 71 is more than the external diameter of rotating shaft roller 75, and the motor 20 drives the rotating shaft roller 75 to rotate, The rotating shaft roller 75 is coaxially fixed together by the fix bar 72 and the heating tube 71, and fix bar 72 is heat-resisting using hard Plastics are made, and rotating shaft roller 75 is made of steel material, and such rotating shaft roller 75, heating tube 71 can co-rotations together.

The heater 73 is fixed on the rotating shaft roller 75, and heater 73 uses the electricity of temperature controllable scope on the market Heater, controller 13 connect and control heater 73, and the heater 73 can make the temperature of 30 ~ 50 degree of the holding of heating tube 71 Degree, this temperature range can be very good to improve drafting of sliver performance and improve sliver fluffy degree, without other property of influence sliver Energy.

More than 3 gettering through holes 74 are uniformly opened up on the tube wall of heating tube 71, the roller dust catcher 76 is fixed on institute State on rotating shaft roller 75, roller dust catcher 76 is high using industrial dust collector conventional on the market, dust collection efficiency.The roller dust suction Sweep-up pipe 77 on device 76 is connected by the gettering connecting tube 78 of heat-resisting plastic material with all sealings of gettering through hole 74. The heated gettering roller 7 of sliver becomes more fluffy after heating, and makes sliver be easier to be drafted, the especially crotch of the fiber on sliver Shape fiber is more easy to be stretched parallel, has more fibers especially hook solid fiber to be stretched on sliver parallel, so as to improve Drawing-off effect to sliver；When sliver is by heating gettering roller 7, the debris inside sliver connects through gettering through hole 74, gettering Adapter 78, sweep-up pipe 77 are absorbed by roller dust catcher 76 to be cleaned, so as to which effect is cleaned in the absorption improved to sliver inside debris Fruit.

The heating gettering roller 7 is arranged side by side two, winding direction of the sliver on two heating gettering rollers 7 On the contrary, in the present embodiment, as shown in figure 5, sliver wrapped anti-clockwise on rear heating gettering roller 7, in preceding heating gettering roller 7 Upper wound clockwise.When there is two heating gettering rollers 7, because sliver is in two winding directions heated on gettering roller 7 On the contrary, on the one hand more strengthen the drawing-off effect to sliver；On the other hand, two heating gettering rollers 7 pass through sliver respectively Lower surface and upper surface to sliver gettering, further enhance the absorption cleaning efficiency to sliver inside debris.

As shown in Figure 1, 2, 3, it is additionally provided with the cabinet 3 between the calender roller 19 and the can coiler 10 Broken strip protection device 8, the broken strip protection device 8 include electromagnet 81, fixture block 83, support round bar 85.

In the present embodiment, electromagnet 81 is using the fast electromagnet of demagnetization conventional on the market, and fixture block 83 is by ferrous metal system Into after support round bar 85 uses rigid plastics bar to be made to ensure that suction block 82 produces magnetic, fixture block 83 can be in support round bar 85 On be moved at suction block 82.

The bottom of electromagnet 81 is suction block 82, and the suction block 82 is vertical parallel with the fixture block 83 and is cuboid Shape.

Offer the parallel block through hole 84 of four level above on the fixture block 83, the described piece of aperture of through hole 84 with it is described The support external diameter of round bar 85 matches, and the described piece of internal face of through hole 84, the support lateral surface of round bar 85 are shiny surface, such fixture block 83 Can the steady unresisted movement on support round bar 85.The support quantity of round bar 85 is identical with the described piece of quantity of through hole 84, institute State support round bar 85 to correspond to through described piece of through hole 84 and be fixed in the suction block 82, suction block 82 is fixed and fixture block 83 can move along support round bar 85.Sliver between suction block 82, fixture block 83 between support round bar 85 from passing through, so as to break in sliver When, suction block 82 holds fixture block 83 so as to clamp sliver.The controller 13 connects and controls the electromagnet 81.Sliver does not break When, electromagnet 81 is not powered on no magnetic, and suction block 82 will not hold fixture block 83；When sliver breaks, controller 13 controls electromagnet 81 energizing magnetics, now suction block 82 attracts fixture block 83 quickly to be moved on round bar 85 is supported to suction block 82, until suction block 82 It is combined with fixture block 83 so as to clamp sliver, the sliver of fixture block more than 83 is the sliver for existing quality problems, the sliver of lower section The normal sliver not influenceed by broken strip, so considerably reduce because sliver by front traction roller 15b break and to drafting The influence of machine drafting quality.

Fixing one on one end that the support round bar 85 is not fixed in the suction block 82 prevents the fixture block 83 from removing institute The limited block 86 of support round bar 85 is stated, limited block 86 is made of rigid plastics.

As shown in Fig. 1,4, broken bar detection device 9 is provided between front traction roller 15b and first break draft the roller 15a, The broken bar detection device 9 includes pressure sensor 91, pressure-measuring pipe 93, and the controller 13 connects the pressure sensor 91.

In the present embodiment, pressure-measuring pipe 93 is made of the plastics of hard and light weight, with reduce to front traction roller 15b, First break draft roller 15a, pressure sensor 91 influence.The pressure-measuring pipe 93 is fixed on the pressure sensor 91 and is stressed end 92 Top on, the pressure-measuring pipe 93 is located at the first break draft roller 15a slivers output end and the front traction roller 15b slivers are defeated Above the line for entering end, the pressure-measuring pipe 93 is parallel to the first break draft roller 15a slivers output end and the front traction roller The line of 15b sliver inputs, the pressure-measuring pipe 93 is away from the first break draft roller 15a slivers output end and the front traction roller The line distance of 15b sliver inputs is 3cm ~ 6cm, and front traction roller 15b, first break draft roller 15a drawing-offs are acted on reducing Influence.When front traction roller 15b, first break draft roller 15a normal works, cotton thread is not first by pressure-measuring pipe 93, now at sliver On the line of first break draft roller 15a slivers output end and front traction roller 15b sliver inputs, the pressure of pressure sensor 91 The pressure applied for pressure-measuring pipe 93 itself to the end 92 that is stressed, pressure-measuring pipe 93 are located at the top of sliver and, pressure measurement parallel with sliver Distance of the pipe 93 away from sliver is 3cm ~ 6cm；Then after sliver passes through pressure-measuring pipe 93, after being more than due to front traction roller 15b speed Drawing rollers 15a speed, such sliver can apply pressure through pressure-measuring pipe 93 to the end 92 that is stressed of pressure sensor 91, and And the position of pressure-measuring pipe 93 to front traction roller 15b, first break draft roller 15a drawing-off effect influence very little, now pressure pass The pressure of sensor 91 is that the pressure that pressure-measuring pipe 93 itself applies to the end 92 that is stressed and sliver are held by pressure-measuring pipe 93 to being stressed The 92 pressure sums applied.When pressure sensor 91 pressure only for pressure-measuring pipe 93 itself to be stressed end 92 apply pressure, This also implies that sliver is disconnected；When the pressure of pressure sensor 91 is more than pressure of the pressure-measuring pipe 93 itself to the application of end 92 that is stressed During power, illustrate that sliver does not break.

The foregoing is only it is of the present utility model preferably embodiment, be not to limit the utility model, it is all Within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., it is new to should be included in this practicality Within the protection domain of type.

Claims (5)

1. a kind of drawing frame for improving drawing-off effect, including conducting bar roller, sliver pressure roller, feeding bar cylinder, bar output cylinder, cabinet With the feed roll motor in the cabinet, lower dust catcher, upper dust catcher, first break draft roller, front traction roller, into bar boundling Device, clustering roller, curved catheter, calender roller, can coiler, controller, motor, the conducting bar roller are arranged on the cabinet Rear, the sliver pressure roller is provided with the conducting bar roller, the feeding bar cylinder be located at conducting bar roller lower section, described to give Cotton roller is located in front of the conducting bar roller, the curved catheter, clustering roller, into bar buncher, front traction roller, first break draft Roller is sequentially located in front of the feed roll motor, and the calender roller is located at below the curved catheter, and the can coiler is located at Below the calender roller, the bar output cylinder is located at below the can coiler, the upper dust catcher and lower dust catcher difference position In the clustering roller, into above and below bar buncher, front traction roller, first break draft roller, feed roll motor, the control Device, motor are fixed on the enclosure top, it is characterised in that are additionally provided with the cabinet positioned at the feed roll motor and sliver Tape divider between roller, the tape divider include feeding buncher, slitting pipe, vertical slitting knife, the feeding boundling Device is located in front of the slitting pipe, and the sliver in each input cabinet is correspondingly arranged a slitting pipe, in the slitting Along vertical and intersect with the slitting pipe axis direction and symmetrically offer and penetrate the upper feed of the slitting tube wall on tube wall Seam, lower feed seam, parallel to the slitting pipe axis, the vertical slitting knife can edge of a knife court for the upper feed seam, lower feed seam Tightly inserted in the upper feed seam, lower feed seam to sliver input direction, the vertical slitting knife can insert described enterprising simultaneously In knife seam, lower feed seam.

2. the drawing frame according to claim 1 for improving drawing-off effect, it is characterised in that the tape divider also includes Horizontal slices knife, along level and intersect direction on the slitting tube wall with the slitting pipe axis and also symmetrically offer insertion Left feed seam, the right feed seam of the slitting tube wall, the left feed seam, right feed are sewn on the position on the slitting tube wall Setting in the front of the upper feed seam, lower feed seam, the left feed seam, right feed are stitched parallel to the slitting pipe axis, The horizontal slices knife can the edge of a knife tightly inserted in the left feed seam, right feed seam towards sliver input direction, described horizontal point Bar knife can insert in the left feed seam, right feed seam simultaneously.

3. the drawing frame according to claim 2 for improving drawing-off effect, it is characterised in that the tape divider also includes Four combs between the feeding buncher, slitting pipe, four comb is by four pipe being fixed together side by side groups Into all vertical slitting knife, slivers of horizontal slices knife slitting by the slitting pipe sequentially pass through four row Four pipes of pipe.

4. the drawing frame according to claim 2 for improving drawing-off effect, it is characterised in that vertical slitting knife, the water The handle of a convenient use is respectively provided with flat slitting knife.

5. the drawing frame according to claim 1 for improving drawing-off effect, it is characterised in that the controller is connected and controlled Make the lower dust catcher, upper dust catcher, motor, the motor drives the conducting bar roller, feed roll motor, first break draft roller, preceding Drawing rollers, clustering roller, calender roller, can coiler rotate.