CN100360728C - Drafting assembly for a ring spinning frame comprising a compressor for a fibre band - Google Patents
Drafting assembly for a ring spinning frame comprising a compressor for a fibre band Download PDFInfo
- Publication number
- CN100360728C CN100360728C CNB038017369A CN03801736A CN100360728C CN 100360728 C CN100360728 C CN 100360728C CN B038017369 A CNB038017369 A CN B038017369A CN 03801736 A CN03801736 A CN 03801736A CN 100360728 C CN100360728 C CN 100360728C
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- Prior art keywords
- boundling
- drafting system
- parts
- ribbon
- pressure roller
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/72—Fibre-condensing guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention relates to a drafting assembly (1) for a ring spinning frame for producing thread. Said drafting assembly (1) comprises a drafting region (7, 8) and a compressor component having a geometric-mechanical effect and a compression channel for a drafted and enlarged fibre band (F). Said compressor component (11) is arranged in a compression region (16) which extends between an output roller (8) of the drafting region (7,10) and a delivery roller (15) which is mounted at the exit of the compressor region (16). Transport means are provided for supporting the fibre band (F) along its transport path (A, B) through the compressor region (16).
Description
Technical field
The present invention relates to a kind of drafting system that has the ring spinner of ribbon buncher.The invention still further relates to a kind of parts that are used for according to drafting system of the present invention.
Background technology
Natural fabric and artificial fibre are changed a series of minute process of resultant yarn requirement.A last process segment usually is called spinning.Obtain its final fineness and toughness at this yarn that is spun into.The described spinning sizable part that needs the whole spinning process cost of cost.Adopt as heir traditional hand spinning, occur by the known ring spinning of prior art with spinning wheel.Be wound at this spun yarn on the yarn axle of rotation.Knitting for RING SPINNING needs three kinds of machines in fact.Produce the base yarn that also is called untwisted ribbon from ribbon with flier.Producing the yarn that has necessary toughness and spin at little bobbin from the base yarn with ring spinner is on the spool.Winder gathers the yarn from many spools become together and produces the yarn tube that can use of several approximately kilogram weights.
On ring spinner the drawing-off of base yarn being become to have desired fineness and obtains is that the needed fiber of spinning is stranded.The general bilateral of this machine ground constitutes, and to have a plurality of spindles on every side be yarning position.Each yarning position respectively is provided with a drafting system.Relate to so-called three cylindrical drafting system at this majority.This drafting system has a preliminary draft district and a main drawing area.The base yarn of feed is wide relatively ribbon when becoming required fineness and leaving drafting system at the right clamping line place of outlet roller in drafting system.
Described ribbon rotates stranded by means of spinning and accumulates the finished product yarn.After the right clamping line of the outlet roller of drafting system, constitute so-called spinning triangle at this, wherein the fiber that provides by drafting system of amalgamation and integrate yarn formation structure.Be not that all fibers are all accommodated into spinning triangle.The yarn of rotation may be lost or can only partly be accumulated into to the edge fiber.Fiber on the edge of spinning triangle than the fiber that is in spinning triangle middle part when rotating much strong tensioning.Therefore the fiber at periphery is subjected to prestressing force more than the fiber in the yarn core in the finished product yarn.When correspondingly higher yarn is loaded, at first ruptured by higher prestressed yarn.Therefore the toughness of the yarn spooled of finished product do not reach each bar yarn corresponding toughness summation the value that should have.The fiber that gathers uncontrollably stretches out from the yarn of spooling, and causes increasing the fluffing of undesirable yarn.Increase fluffing property and be equal to compromised quality.
For big as far as possible degree avoid spinning triangle and disadvantageous consequence thereof, in the drafting system of modern ring spinner, expand draw zone with cluster area, in described cluster area, compile as far as possible densely by outlet roller to output wide fiber.Only in this way just twisted together to make yarn after cluster area by boundling or the ribbon encrypted.The beaming device of known a kind of pneumatic work in the specification 1646e-BBAB-15 of Rieter, Winterthur company for example.This known pneumatic beaming device comprises the cylinder that is equipped with the hole, mainly contains low pressure in described cylinder.This low pressure produces the air-flow ribbon carried by described cylinder of boundling on request thus by the cylinder that is equipped with the hole.The buncher of pneumatic work is expensive in purchasing and maintaining.Produce the needed low pressure of boundling and need higher energy input.Be subjected to higher relatively wearing and tearing for the needed parts of boundling ribbon more for this reason.Although the fine and close yarn that produces by pneumatic boundling is better qualitatively, yet significantly than the ring spinning costliness of routine.
The also known drafting system that is equipped with the ring spinner of the beaming device that how much-machinery works.Their costs that usually can suit are realized.The boundling parts that comprise the bulk on the transmission plane that is arranged on ribbon at this each beaming device.Be provided with the boundling tank circuit of groove sample at the described boundling parts in its side towards ribbon, the described boundling tank circuit gradually constitutes in the input side infundibulate ground expansion of ribbon and along the throughput direction of ribbon carefully.By boundling component feed ribbon the time, fiber is crowded together by the boundling tank circuit that narrows down and boundling becomes desirable diameter.
Become in the example a known enforcement, the boundling parts of less relatively structure arranged in the main drawing area of drafting system, its be arranged on drafting apron in the main drawing area and outlet roller between.The drawing-off of ribbon and boundling carry out simultaneously in this set of boundling parts.Disturbed the even drawing-off of ribbon at this.In order to be boundling parts spaces for the creativity, the clamping line of outlet roller and the distance between the drafting apron have been strengthened.Also strengthened the distance that fiber does not obtain guiding thus.Disturb the increase of the distance that uniform drawing-off and yarn can not get guiding to cause the inhomogeneities of yarn and diminish its quality.The boundling parts are interfered when handling drafting system and owing to its relatively little structure is easy to lose.
Also exist in theory the boundling parts of how much-mechanism are arranged on possibility in the cluster area that is connected on the draw zone back.
In such setting, fiber must cross outlet roller pair and be located at cluster area outlet donor rollers between distance, and do not have the carrying device that supports.In many materials, for example under the situation of cotton, most fibers are shorter than the distance that will cross in cluster area.In the cluster area that after this only just realizes the boundling parts are arranged on when the outlet roller of drafting system has many fibers to the every cross-sectional unit of the ribbon that provides, connects.Only in this way could guarantee that ribbon can be realized supporting voluntarily to a certain extent on the distance that not supported by carrying device.For example also claim in the flier to be exactly this situation at pre-frame.In pre-frame, produce thick relatively untwisted ribbon, the ring spinner of postposition, produce the finished product yarn at last from described untwisted ribbon.Since in the spinning machine of this form usually the outlet roller of drafting system to after thick like this ribbon is not provided, in the cluster area of the also inapplicable so far ring spinner in postposition of the setting of described boundling parts.
Summary of the invention
Task of the present invention is to avoid the shortcoming of prior art.Should improve drafting system as follows, make it and to produce the highest qualitatively yarn, promptly so-called solid yarn in cost efficient ground.At this pneumatic equipment that no longer cost of use is very high and expensive wearing terrain.Although improved drafting system, should keep the compact structure of the known drafting system of prior art.Also should pay special attention at this, can also be used for existing ring spinner, and need not carry out the repacking of high cost for this reason according to improvement of the present invention.
In order to realize above-mentioned task, the invention provides a kind of drafting system of ring spinner of the buncher that has a ribbon, it has the boundling parts of draw zone and how much-mechanism, these boundling parts have be used for after the drawing-off and broadening after the boundling tank circuit of ribbon, wherein, the boundling parts are arranged in the cluster area, described cluster area providing between the pressure roller on the output of the output press roll of draw zone and cluster area extended, and described drafting system is provided with down cylinder, and described cylinder down supports at least in part along the ribbon of ribbon transfer path through cluster area.
It is the subject matter of dependent claims that expansion of the present invention and/or favourable enforcement become example.
The present invention proposes, and connects in the cluster area of draw zone after the boundling parts with how much-mechanism of the boundling tank circuit are arranged on, and is provided with the carrying device that supports ribbon in cluster area, and this carrying device is cylinder down specifically.
The solution of the present invention avoids above-mentioned wherein boundling parts to be arranged on the shortcoming of the drafting system in the main drawing area.After be connected on the cluster area of draw zone problem walk around in this wise: ribbon is wholely supported by carrying device along it through on transmission highway section of cluster area.No longer include drawing-off at cluster area.Yarn passes through boundling parts boundling very equably, and this advantageously works to the quality of yarn.By can not re-use the beaming device of the pneumatic action that costs a lot of money according to the solution of the present invention.By according to the present invention, bundling piece is arranged on the inhomogeneities of having avoided the yarn that may occur in the rearmounted cluster area in having the drafting system that is arranged on the bundling piece in the draw zone.The quality of the yarn that draws is good and have the power of striving unexpectedly aspect the obviously low cost especially.
At a very favorable carrying device of implementing to constitute by following cylinder in the change example ribbon in the cluster area of the present invention, support output press roll thereon and provide pressure roller.Implement to become the peripheral part extension of cylinder under the cluster area edge in the example at this.Following cylinder has bigger diameter with respect to the following output cylinder of the drafting system of known routine, thereby output press roll and provide these two rollers of pressure roller and can easily successively find space and boundling parts can be arranged on simply between these two rollers, this is favourable in the ring spinner of staple fibre processing usefulness especially.Although following cylinder dilated diameter, this embodiment are feature with unusual compact structure also.The drafting system of Gou Chenging is only long slightly than conventional drafting system like this.Ribbon is along the surface support that is subjected to down cylinder on the whole fore-and-aft distance of cluster area.
Output press roll and provide pressure roller and be installed in preferably by elastic force and be pressed in down on the support on the cylinder preferably.For example be used to thus to load once or a center leaf spring of two pressure rollers abundant.Described leaf spring is fixed on the described support and rests on the parts of a fixed-site of drafting system.Loading spring can also be installed on the parts of fixed-site and be supported on the described support.For example the parts of described fixed-site are pressure arms, and described pressure arm is pressed to lower roll with the pressure roller of drafting system and descended cylinder in other words, and described pressure roller all is arranged on the top in all cases, specifically, is arranged on the top of draw zone.
The transfer path of ribbon from the output clamping line of output press roll and following cylinder extend to provide pressure roller and following cylinder provide the clamping line.Its length is less than 1/3rd length that are embedded in the fiber in the ribbon.Realize control that the fiber in the cluster area is transmitted by dual clamping thus, the described fiber that is subjected to dual clamping is all length greater than the fiber of the length of the transfer path by cluster area.For example avoided the interference of the inhomogeneities of the ribbon that the braking action of fiber produced owing to boundling parts thus.
The boundling parts of described how much-mechanism have a boundling tank circuit.The described boundling tank circuit can be arranged on the boundling parts downside of the cylinder that faces down, and perhaps is arranged on the boundling parts upside towards pressure roller.In each case, if the boundling parts are placed on the cylinder down and are favourable thereon with defeating of can being scheduled to seamlessly pasting on its operating position.Thereby avoided fiber to arrive at down uncontrollably between the contact-making surface of cylinder and boundling parts.The boundling parts for example produce by its deadweight or by a pre-device of machinery or by magnetic force the pressure of following cylinder.The combination of described possibility can also be arranged.
Be connected with a clasp (clasp) at the boundling parts described in the enforcement change example of a simple especially drafting system, described clasp flexibly holds down the above circumference of cylinder 180 degree.Described clasp is being carried when the following cylinder rotation on the parts of the fixed-site that rests on drafting system from this clasp and/or the outstanding extension of boundling parts together with boundling parts fixed thereon, preferably rests on the axle that provides pressure roller.The clamping line that measure by this simplified structure provides between pressure roller and the following cylinder is relatively accurately located described boundling parts.
For prevent lift provide pressure roller and when down cylinder further rotates clasp rotate along with cylinder down together with the boundling parts, be provided with an outstanding backstop on clasp, the parts that described backstop is in operation with the fixed-site of drafting system have a little distance.If lifted provide pressure roller and unclamped clasp thus and/or the boundling parts on extension, the following cylinder that boundling parts and clasp are merely able to follow rotation withstands on up to backstop on the parts of fixed-site of drafting system.For example the parts of described fixed-site are the prerotation vanes of the spreading apron in the drafting system.Again move and get back in the operating position if provide pressure roller, thereby pressure roller shaft compresses described extension and buncher is taken back its operating position again.
For structural reason, if two boundling parts of each clasp carrying, described boundling parts are arranged on the both sides of the clasp of setting placed in the middle, and it is suitable that the fact shows.
Become clasp and the boundling parts described in the example in very simple and enforcement cost efficient of the present invention constitutes integratedly.Preferably they use batch techniques, for example make with plastics with Shooting Technique.
The boundling parts rest in its operating position and provide on the pressure roller in another enforcement change example of the present invention.Output press roll does not contact with the boundling parts.The following cylinder of the radius of the supporting surface of boundling parts and support is complementary haply with the radius that provides pressure roller.This by particularly advantageous back to the supporting surface of following cylinder is: do not have fiber can arrive between the supporting surface and following cylinder of boundling parts.
Provide between pressure roller and the following cylinder in order to prevent that the boundling parts are clipped in, constitute the supporting surface of boundling parts aptly in this wise: make to draw the bearing-surface that is approximately perpendicular to the drafting system plane on the pressure roller providing.Seamlessly lean against on the following cylinder at these boundling parts.For can no longer boundling appear behind the boundling parts and the disadvantageous expansion of fiber, the output of boundling parts is shifted near as much as possible the clamping line that provides pressure roller and following cylinder.Yet, providing between pressure roller and the following cylinder in order to prevent that the boundling parts are clamped in, the boundling parts not exclusively extend to described clamping line and do not contact herein and provide pressure roller.
Become in the example in a favourable enforcement of the present invention, the boundling parts can lift from following cylinder with providing pressure roller, for example ought lift the clamping line that provides pressure roller in short time, make yarn twist with the fingers and continue to enter in the cluster area.
In order to realize the liftable property of boundling parts simply, in this wise output press roll is widened formation with the boundling parts that provide top, minimum range zone between the pressure roller: make it and to lift with two pressure rollers.When lifting described roller, just lift the boundling parts simply together.
Become the boundling parts described in the example in another favourable enforcement of the present invention and be provided with one or more permanent magnet.Described permanent magnet cooperates with the carrying device of ribbon, especially cooperates with following cylinder.When mechanical oscillation, also can seamlessly be pressed in down on the cylinder and do not promoted a little even guarantee the boundling parts thus, and not have fiber can arrive between the side of boundling parts and following cylinder.
For the uniformity of yarn, pressure roller is immovably fixing in the axial direction also to suit if the boundling parts are with respect to providing.This is for example undertaken by convex shoulder on the boundling parts or projection, and described convex shoulder or projection overlap joint provide the side of pressure roller or output press roll.Described convex shoulder or projection for example are the plastic plug that is permanently connected with the boundling parts.Color mark on described convex shoulder or projection can play the section indicator of the boundling tank circuit.The user can directly read the scope which type of yarn corresponding buncher is suitable for thus.
The clasp that is attached thereto under boundling parts and the certain situation can be used plastics, ceramic material, perhaps can also use metal, and for example steel or copper constitute.
In order to prevent that fiber from arriving at down between the boundling parts of cylinder and how much-mechanically effect uncontrollably, if cylinder has not by interruption, disconnection or analog ground and the periphery that constitutes smoothly to a great extent and suits down.By described level and smooth surface, the boundling parts closely contact with described periphery and fiber is merely able to arrive in the boundling tank circuit.Adopt level and smooth following cylinder for the drawn fiber bar is immaculate equably, because the fiber that twice ground clamping successively come out from draw zone.At the output of draw zone, also do not obtain down the fiber on output clamping line of whole peripheral speeds of cylinder, laterly provide on the clamping line, promptly the output at cluster area obtains this peripheral speed.Act on length thus and support the boundling parts in an advantageous manner greater than the little longitudinal tension force on those fibers of the length in the transmission highway section by cluster area.
Under constituting smoothly during the periphery of cylinder, the fact show if down the periphery of cylinder to have the higher coefficient of friction of fiber in the zone of the process of ribbon at least be favourable.This for example can reach by chemically or electrolytically handling or carry out coating in the zone in the process of ribbon at least in the periphery of cylinder.For example be provided with nickel-diamond coating in the zone in the process of ribbon at least at the periphery of following cylinder.
In one of drafting system of the present invention favourable expansion,, a mechanically ribbon guiding piece of effect is set before output press roll at the output of draw zone.In this wise the guiding piece of ribbon is aimed at drafting system at this: make the guiding tank circuit approximate centre ground of its ribbon aim at the boundling tank circuit of boundling parts.The ribbon guiding piece of the machinery of the output of draw zone prevented when ribbon by oblique when being supplied to hole, boundling component entry the fiber of part walk around the boundling tank circuit from the side.Because the unevenness of drafted ribbon toughness, wear and tear output press roll and/or cylinder down unevenly, ribbon also has the lateral displacement with respect to its assigned position in its transport process.Described lateral displacement may cause the peripheral region of ribbon to walk around the boundling tank circuit from the side and be directed to providing pressure roller.This causes the quality of yarn to descend.The ribbon guiding piece counterproductive with it of machinery, wherein its side direction guiding by machinery prevents that the side area of ribbon from walking around the inlet of the boundling tank circuit.If this ribbon guiding piece have less than the boundling tank circuit width at boundling component entry place effectively pass through width, the fact shows it is favourable.The width that effectively passes through at this ribbon generally is the width of the guiding tank circuit at the neighbour place of its outlet or outlet.The described guiding tank circuit can be equipped the side directed wall that two almost parallel ground extend.But its width also can be positioned at the outlet in output press roll the place ahead from entering the mouth to be configured with attenuating a little.
Implement to it is contemplated that in the change example at of the present invention another, described ribbon guiding piece can be set to lateral displacement.The ribbon guiding piece can laterally be moved with the direction of transfer that the boundling parts are approximately perpendicular to ribbon when needed.Also can keep when being aligned in lateral displacement by mutual relative of these two parts of lateral displacement assurance of binding fiber bar guiding piece and boundling parts.
Advantageously equip change example according to ring spinner of the present invention according to drafting system of the present invention.The spinning machine of form can provide the yarn of the densification of cost efficient like this, and its quality can be compared with the quality of the relatively costly fine and close yarn that produces in the machine of prior art.
The drafting system that constitutes according to the present invention for example is the new-type structure parts of the ring spinner of structure in other words.Can also reequip the drafting system of existing ring spinner according to formation of the present invention.Can become a kind of compression roller unit of imagination in the example a favourable enforcement for this reason, on the position of the output press roll that has drafting system now, settle a described compression roller unit.Described compression roller unit comprises an output press roll and one and provides pressure roller, and they are installed on the public support.From outstanding leaf spring of described support or analog, this leaf spring under installment state, rest on the parts of fixed-site of drafting system and pressure roller to being pressed in down on the cylinder.Within the scope of the invention, can replenish the cluster area of a postposition for the existing drafting system of prior art with the relatively simple compression roller unit of structure.
At this, if corresponding two supporting pressure rollers to the left side and the right side of the support that is installed in setting placed in the middle, the fact suits with showing.Described supporting pressure roller is on the fixing parts that correspondingly are provided with in pairs and be installed in drafting system by support.Advantageously, described fixed part is a pressure arm, and described pressure arm is the pressure roller of the drafting system of putting on correspondingly, especially the pressure roller that is arranged at the draw zone top, is pressed in lower roll or down on the cylinder.
Preferably described compression roller unit is equipped with the boundling parts, described boundling parts can not remain on with losing a supporting pressure roller between the gap in.Boundling parts described herein advantageously have the prismatic body haply that has the general triangular cross section.The radius of its supporting surface mates cylinder under the support of drafting system to a great extent and provides the radius of pressure roller.Magnetic is set in described prismatic body to be used for the boundling parts are fixed on cylinder down.For than less wear, accurate machinability and size accuracy, described boundling parts preferably are made of ceramic material or plastics ceramic mixture.Yet it can also constitute with plastics or metal.
The ribbon guiding piece that also has a machinery at the compression roller unit described in the favourable expansion.Described ribbon guiding piece for example can not be arranged on the output press roll with losing.Under the state of installing, the ribbon guiding piece is arranged in the draw zone of drafting system.The ribbon guiding piece has the guiding tank circuit of ribbon, and the guiding tank circuit approximate centre of described ribbon ground is aimed at the boundling tank circuit setting of boundling parts and had A/F less than the width of the porch of the boundling tank circuit in the boundling parts.The enforcement of this compression roller unit becomes example and keeps all formation drafting system of the present invention necessary and be the superior necessary parts of yarn of cost efficient ground workmanship.
As further improvement, in compression roller unit, can also set, but lateral displacement ribbon guiding piece and boundling parts are set, and lateral displacement together when needed.The combination of the being displaced sideways property of ribbon guiding piece and boundling parts makes when needed, can lateral displacement transfer path by the ribbon of cluster area, for example in order to wear and tear output press roll and provide pressure roller and/or cylinder down equably.
Implement to become in the example at of the present invention another, it is contemplated that a compression roller unit provides with following cylinder completely.This down cylinder advantageously be equipped with level and smooth periphery, described level and smooth periphery has high coefficient of friction to fiber at least in the zone of the process of ribbon.This for example by in the zone of the process of ribbon, chemically or electrolytically handle at least or coating under the periphery of cylinder reach.The periphery of cylinder under usefulness nickel-diamond coating in the zone of the process of ribbon at least for example.Correspondingly the following cylinder of Gou Chenging independently spare part provide.
Described boundling parts are the parts based on the of the present invention thought identical with the compression roller unit of drafting system according to the present invention or drafting system, and are protected independently.Boundling parts described herein preferably are roughly prismatic body, and described prismatic body has triangular-section roughly.The formation of the prismatic of described general triangular is considered output press roll and is provided the shape in the gap between the pressure roller.The radius of the supporting surface of boundling parts mates cylinder under the support of drafting system to a great extent and provides the radius of pressure roller.In the body of boundling parts, be provided with the boundling parts are fixed on magnet on the following cylinder.Magnet described herein can be directly outstanding from the supporting surface towards following cylinder, and constitute its part.Yet described magnet but can also be placed near the holding in the bore hole of supporting surface.For the reason of wearing and tearing, and based on the consideration of its favourable machinability and size accuracy, described boundling parts are made of ceramic material or plastics-ceramic mixture.
Description of drawings
Draw in other advantage of the present invention and the explanation of feature by the embodiment of counter extensioin device.Shown in the drawings:
The drafting system of the ring spinner of Fig. 1 prior art;
The bottom view of Fig. 2 boundling parts;
Fig. 3 has first embodiment according to drafting system of the present invention of draw zone and cluster area;
Fig. 4 is arranged on the change example of the boundling parts in the cluster area;
The end-view of the boundling parts that Fig. 5 sees from the visual angle that arrives ribbon;
Two of Fig. 6 rest on down on the cylinder cluster area between the pressure roller, have the boundling parts that the downward cylinder of its boundling tank circuit constitutes openly;
Fig. 7 is similar to that the change example of Fig. 6 constitutes, and has the boundling parts that its boundling tank circuit constitutes to pressure roller with opening;
Fig. 8 cluster area has the boundling parts that are connected with clasp, and described clasp is around following cylinder;
Fig. 9 is installed in the pressure roller of the cluster area on the public support; And
The cluster area that Figure 10 is shown in Figure 6 has the ribbon guiding piece that is arranged on before the output press roll.
The specific embodiment
Drafting system by the known ring spinner of prior art schematically is shown in Fig. 1, and described drafting system indicates with label 101 generally.Drafting system 101 is fully known from prior art, constitutes so-called three cylindrical drafting system.It comprises one, and to draw in roller right, and the described roller of drawing in is to there being drawing in pressure roller 102 and drawing in lower roll 103 of feed-in ribbon F.The intermediate calender rolls of pressure roller 104 and middle lower roll 105 is right in the middle of being connected with along the direction of transfer of ribbon F, by this roller to guiding two aprons (apron) 106.Draw in roller to 102,103 and intermediate calender rolls define the preliminary draft district 107 of ribbon F between to 104,105.The outlet roller that is provided with output press roll 108 and output lower roll 109 at the output of three cylindrical drafting system is right.Intermediate calender rolls to 104,105 and the highway section of outlet roller between to 108,109 constitute main drawing area 110, therein ribbon F drawing-off is become desired fineness.
Drawing-off ribbon F at outlet roller 108,109 clamping line A is withdrawed from drafting system 101.This ribbon F twists with the fingers by means of spinning rotation R becomes the finished product yarn, with on the outlet roller of drafting system 101 interface, constitute so-called spinning triangle to 108,109 clamping line A, the yarn that is provided by drafting system in described spinning triangle draws in together and integrates becomes the knot structure.In order to take in all fibers in the yarn as much as possible and to make all fibers be subjected to the pretension of identical as far as possible size when twisted, people keep the spinning triangle as much as possible for a short time hardy.Drawing-off and the ribbon F that widened are drawn in again together and compressed before the twisted resultant yarn for this reason.Boundling parts 111 are set for this reason, by these boundling parts 111 guiding ribbon F before outlet roller is to 108,109.The boundling ribbon F of construction geometry by boundling parts 111-mechanically thus.
Fig. 2 illustrates the example of boundling parts 111, and described boundling parts have the shape of the bulk of being roughly.Described boundling parts 111 are provided with the boundling tank circuit 112 on the side of ribbon in its use location, the described boundling tank circuit 112 is passed in ribbon F guiding.The boundling tank circuit 112 is that some funnel-like expansion ground constitutes at it on the end face 114 of the ribbon that arrives, and the outlet on opposite side is tapered into desirable diameter.The exit width of the tank circuit has determined which type of yarn scope boundling parts 111 are applicable to.
The shortcoming of this known setting has illustrated and has illustrated clear again with reference to Fig. 1 in this paper beginning place.In being provided with in boundling parts 111 are located at the main drawing area 110 of drafting system 101, between the drafting apron 106 that is located at main drawing area 110 and outlet roller are to 108,109, side by side carry out drawing-off and the boundling of ribbon F basically.Disturbed drawn fiber bar F equably thus.In order to create the position of boundling parts 111, strengthened outlet roller to 108,109 clamping line A and distance between the drafting apron 106.But also strengthened the distance that does not guide ribbon F betwixt thus.Evenly drawing-off is interfered and the increasing that must not guide the distance of ribbon F, can cause the inhomogeneities of yarn, and this has influenced its quality.Boundling parts 111 are noisy when operation drafting system 101, and lose easily owing to its little structure.
Fig. 3 schematically illustrates a drafting system that constitutes according to the present invention, and it indicates with label 1 generally.Drafting system 1 relates to the three cylindrical drafting system, yet has revised in important area.Preliminary draft district 7 is still right to the roller that has middle pressure roller 4 and middle lower roll 5 from the entrance extension that has input pressure roller 2 and input lower roll 3.By the two aprons 6 of intermediate calender rolls to 4,5 guiding main drawing areas 10.Main drawing area 10 extends to output press roll 8 from intermediate calender rolls to 4,5, and described output press roll 8 rests on down on the cylinder 9.Output press roll 8 defines output clamping line A with the contact area of following cylinder 9.
With the drafting system of known three cylindrical differently, following cylinder 9 has the diameter bigger than common output lower roll.Make it possibility thus, be provided with one and provide pressure roller 15 after output press roll 8, the described pressure roller that provides similarly rests on down on the cylinder 9.Providing contact area between pressure roller 15 and the following cylinder 9 has defined and has provided clamping line B.At output press roll 8 with provide zone between the pressure roller 15, specifically be meant in output clamping line A and the zone of giving between the outlet B formation cluster area 16.The boundling parts 11 that relative prior art parts that have a boundling tank circuit 12 have been revised are set in cluster area 16.Described boundling parts 11 because its structure and how much-mechanically act on and pass the ribbon F that the boundling tank circuit 12 guiding ground have been widened.Boundling parts 11 preferably seamlessly rest on down on the cylinder 9 and against providing pressure roller 15.Propping up by face of 11 pairs of following cylinders 9 of boundling parts is configured in this wise at this: its radius equates with the radius of the following cylinder 9 that supports basically.Prevent that thus fiber from arriving at propping up by between face and the following cylinder 9 of boundling parts 11.Supporting surface is with respect to following cylinder 9 longitudinal extensions, makes it to stop providing clamping line B precontract 3mm to 8mm.Preventing thus that boundling parts 11 are stuck in provides between pressure roller 15 and the following cylinder 9.Boundling parts 11 also match with the periphery that provides pressure roller 15 to a large extent with respect to the supporting surface that provides pressure roller 15.Especially in this wise constitute described supporting surface: make described support be approximately perpendicular to the plane of drafting system.Buncher does not contact and provides pressure roller 15 in the zone of leading to the clamping line.Boundling parts 11 are set in this wise: make it not contact with output press roll 8 normal in service.Boundling parts 11 constitute at output press roll 8 and the part 13 expansion ground that provide the top, minimum range zone between the pressure roller 15.Reach thus, boundling parts 11 for example can lift from following cylinder 9 in short time with providing pressure roller 15 when needed, enable to proceed in cluster area 16 R that reverses of yarn.
In cluster area shown in Figure 4 16, boundling parts 21 are at output press roll 8 and provide in the part 23 of extending on the top, minimum range zone between the pressure roller 15 and be provided with convex shoulder 25 projection in other words, described convex shoulder 25 projection in other words overlaps the end face that provides pressure roller 15, and axially fixing boundling parts 21 thus, make it and provide pressure roller 15 to be little gap.Cluster area 16 still extends to from output clamping line A and provides clamping line B, and described clamping line is by corresponding roller 8 and 15 definite with the contact area of following cylinder 9.Ribbon is supported by cylinder 9 along the path of whole cluster area 16.The boundling tank circuit of boundling parts 21 indicates with label 22.In the drawings as can be seen, the described boundling tank circuit 22 is gradually thin along the direction that provides pressure roller 15 from the side towards output press roll 8.
Fig. 5 illustrate boundling parts 21 in the use location view towards the recessed bent end face 24 of the ribbon of sending.The boundling tank circuit 22 has obvious cross section greater than opposed outlet side on end face 24.The top of boundling parts 21 still indicates with label 23.Convex shoulder on the longitudinal side of boundling parts 21 projection in other words indicates with 25.At the convex shoulder 25 coloured mark on the projection in other words, can play the indicator in the cross section of the boundling tank circuit 22.The user can directly read the yarn what scope buncher 21 is applicable to thus.Boundling parts 21 can use plastics basically, with ceramic material or metal, for example become with steel or copper.Be illustrated in the permanent magnet that in service and following cylinder cooperates with label 26.Guarantee that thus boundling parts 21 also can seamlessly abut on the following cylinder and not mention a little, and guarantee that fiber can not arrive between the outer peripheral face of boundling parts 21 and following cylinder 9 when machinery is swung.Two permanent magnets 26 shown in Figure 5.Obviously, can also in the boundling parts, only pack into a permanent magnet or a plurality of permanent magnet.
Fig. 6 illustrates the cluster area 16 that has the curved conveying path that is used for ribbon, described transfer path from the output clamping line A of output press roll 8 and following cylinder 9 extend to provide pressure roller 15 and following cylinder 9 provide clamping line B.Preposition draw zone is delineated out by two aprons 6.In the length 1 of this transfer path AB about 1/3rd length less than the fiber that is incorporated into ribbon.It is contemplated that the length 1 of transfer path AB changes by the position that adjusting provides pressure roller 15.Delineate out boundling parts 31 between two two pressure rollers 8,15 that rest on the following cylinder 9, its boundling tank circuit 32 constitutes towards following cylinder 9 with opening.Can see clearly in this diagram, the inlet of the boundling tank circuit 32 is having near the output press roll 8 than the big cross section, porch that provides near the boundling tank circuit 32 pressure roller 15.Boundling parts 31 seamlessly are pressed in down on the periphery of cylinder 9.Or this is by the deadweight of boundling parts 31, by the prestressing force of machinery, for example by loading spring or analog, perhaps reaches by the polarity between boundling parts 31 and following cylinder 9.Also it is contemplated that the combination of these measures of employing.
In order to prevent that fiber from arriving at down between the boundling parts 31 of cylinder 9 and how much-mechanically effect uncontrollably, if the periphery of cylinder 9 does not have interruption, disconnection or analog and is level and smooth suiting to a great extent down.Utilize described level and smooth circumferential surface, boundling parts 31 closely contact with described periphery and fiber is merely able to arrive in the boundling tank circuit 32.Adopt level and smooth following cylinder 9 for drawn fiber bar F is immaculate equably, because the fiber that twice ground clamping successively come out from draw zone.On clamping line A, the fiber of whole peripheral speeds of cylinder 9 is not providing B on the clamping line the latest under promptly also not reaching on the output of draw zone, and promptly the output at cluster area 16 obtains this peripheral speed.Act on its length thus greater than the little tension force longitudinally on those fibers of the transmission highway section AB length L of passing through cluster area 16, strengthened boundling parts 31 boundling effects in an advantageous manner.
Under constituting smoothly during the periphery 91 of cylinder 9, the fact shows, if down the periphery 91 of cylinder 9 to have the higher coefficient of friction of fiber in the zone of the process of ribbon F at least be favourable.This for example can be on the periphery of cylinder at least in the zone in the process of ribbon, by chemically or electrolytically handling or reaching by coating.For example be provided with nickel-diamond coating in the zone in the process of ribbon at least at the periphery of following cylinder.The arrow that indicates with R is still represented to spin twisted, use drawing-off and again boundling ribbon F be spun into the finished product yarn.
Fig. 7 illustrates the cluster area 16 of the cluster area formation that is similar to Fig. 6 embodiment, and its difference is the formation of boundling parts 41.Has the boundling tank circuit 42 that launches the ground formation towards pressure roller 8,15 directions at boundling parts 41 described in the embodiment shown in this figure.In institute's diagrammatic sketch, ribbon F is the surface by following cylinder but by abutting in down base surface 43 guiding on the cylinder 9 directly not, and to compare summary long so the output clamping line A on transfer path AB and the following cylinder 9 is to providing between the clamping line B length.
In the schematic diagram of Fig. 8, its structure example is connected with clasp 35 as boundling parts corresponding with Fig. 7 and that therefore be marked with identical label 41, described clasp 35 flexibly be placed on down on the cylinder 9 and center on its periphery 91 overlap 180 spend more than.Only in narrow subregion, cover periphery 91 at this clasp 35.Driving clasp 35 when cylinder 9 rotates down moves along the direction that provides pressure roller 15.Lean the parts of fixed-site at this from the outstanding extensions 33 of clasp 35, for example provide the rotating shaft 17 of pressure roller 15, and prevent that boundling parts 41 are stuck in and provide on the clamping line B.Simultaneously provide the clamping line thus relatively and locate boundling parts 41 exactly.As shown in the figure, extension 33 can be a frame shape; Yet it also can be complete peltate parts.Extension 33 can also be outstanding from boundling parts 41.
Lift slightly if provide pressure roller 15, extension 33 just withdraws from and the engaging of the rotating shaft 17 that provides pressure roller 15.For prevent in this case described cylinder down also when rotating clasp 35 be provided with the backstop 34 of another parts that head on fixed-site also along with the boundling parts 41 that connect drove too big distance.For example the parts of described fixed-site are the guided ways 61 of two aprons 6.If provide pressure roller 15 once more to swivel motion, its rotating shaft 17 is pressed on the outstanding profile of extension 33, and to the position of setting along with the back mobile together clasp 35 of boundling parts 41 that connects.Also remove the distance of 34 1 weak points of backstop thus from the parts 61 of fixed-site.
As shown in the figure, described clasp can only carry boundling parts.Because structural reason, advantageously, if each clasp each only carry two boundling parts, described two boundling parts are arranged on the both sides of the clasp that centering is provided with.
Fig. 9 illustrates one embodiment of the present of invention, and wherein, two pressure rollers 8,15 are arranged on the public support 19 above following cylinder 9.Described support 19 holds two rotating shafts 17,18 of two pressure rollers 8,15.This support is loaded by a spring part 63, and described spring part 63 is fixed on the support 19 and rests on the parts of the fixed-site of draw zone for example, preferably rests on the pressure arm 62.Obviously, spring part 63, leaf spring for example can also be fixed on the pressure arm 62 and rests on the support 19.Load support 19 and side by side two pressure rollers 8,15 are pressed in down on the cylinder 9 by needed degree by middle heart.
Figure 10 illustrates a favourable change example of drafting system of the present invention.The change example that illustrates to example is corresponding to the structure according to the cluster area 16 of Fig. 6.Keep selected label among Fig. 6 at this.In shown embodiment, in the transfer path of ribbon F, additionally be provided with the mechanically ribbon guiding piece 51 of effect.Described ribbon guiding piece 51 also is in the draw zone of drafting system, and is set directly at before output press roll 8 after two aprons.In this wise the guiding piece 51 of ribbon is aimed at boundling parts 31 at this: make the guiding tank circuit 52 approximate centre ground of its ribbon aim at the boundling tank circuit 32.The effective width of the guiding tank circuit 52 is less than the throat width of the boundling tank circuit 32.Ribbon guiding piece 51 for example can be fixed on the axle of output press roll 8.Described ribbon guiding piece preferably can be by plastics, ceramic material or plastics ceramic mixture, perhaps metal manufacturing.In the embodiment that schematically illustrates, described ribbon guiding piece 51 has the guiding tank circuit 52 to the direction opening of output press roll 8.In the version of an accommodation, the described guiding tank circuit is the direction opening of cylinder 9 downwards.Obviously, ribbon guiding piece 51 can also be united to the boundling parts of pressure roller opening with the boundling tank circuit and come into operation.
In a not shown change example, ribbon guiding piece and boundling parts can be along the lateral displacements of fiber direction of transfer.Be coupled ribbon guiding piece and boundling parts in this wise mutually at this, make to be merely able to jointly carry out lateral displacement.Thus, even when lateral displacement, the guiding tank circuit of ribbon guiding piece also can keep aiming at the inlet of the boundling tank circuit.
The ring spinner that is equipped with the change example of drafting system of the present invention can provide the yarn of the densification of cost efficient, and its quality can be compared with the quality of the relatively costly fine and close yarn that produces in the machine of prior art.
Can on meaning of the present invention, reequip the drafting system of existing ring spinner very simply.Imagine a kind of compression roller unit for this reason, described compression roller unit can be installed to substitute the output press roll of existing drafting system.Described compression roller unit comprises an output press roll and one and provides pressure roller, and they are installed on the shared support.From outstanding leaf spring of described support or analog, this leaf spring under installment state, rest on the parts of fixed-site of drafting system and pressure roller to being pressed in down on the cylinder.For example, this fixed part is a pressure arm, puts pressure roller on its corresponding drafting system---specifically be positioned at draw zone on put pressure roller---presses to lower roll or cylinder down.With the simple relatively compression roller unit of structure, the existing drafting system of prior art can add the cluster area of a postposition within the scope of the invention.
Implement to become in example at another of compression roller unit, two supporting pressure rollers are to a left side and the right both sides of the support that is installed in the center respectively and is provided with, and the fact shows that this suits.Described supporting pressure roller is to being on correspondingly that be provided with in pairs and the fixed part be installed in drafting system by support.
Preferably described compression roller unit has been equipped with the boundling parts, described boundling parts remain in a supporting pressure roller between the gap in, thereby can not lose.Boundling parts described herein advantageously have a prismatic body substantially that has the general triangular cross section.Cylinder and the radius that provides pressure roller under the support of the radius approximate match drafting system of its supporting surface.Magnetic is set in described prismatic body to be used for the boundling parts are fixed on cylinder down.For reduce wear, accurate processability and accuracy to size, described boundling parts preferably are made of ceramic material or plastics ceramic mixture.Yet can also constitute with plastics or metal.Although described boundling parts can not remain in the compression roller unit with losing, yet can pull down when needed, upgrade, perhaps substitute by the boundling parts that have desirable boundling tank circuit width.
Implement to become in the example at of the present invention another, described compression roller unit also has the ribbon guiding piece of a machinery.Described ribbon guiding piece is arranged on a side of output press roll with being difficult for losing, this side with corresponding pressure roller between the relative side in gap.Under the state of installing, the ribbon guiding piece is arranged in the draw zone of drafting system.Have the ribbon guiding tank circuit at this ribbon guiding piece, the boundling tank circuit that the boundling parts are aimed on described ribbon guiding tank circuit approximate centre ground is provided with, and has less than the A/F of the boundling tank circuit at the width of the porch of boundling parts.The enforcement of this compression roller unit becomes example and keeps all necessary and superior to cost efficient ground workmanship necessary parts of unified yarn of formation drafting system of the present invention.
In compression roller unit, it is also conceivable that described ribbon guiding piece and boundling parts can be set to lateral displacement, can jointly be displaced sideways when needed.But the lateral displacement by binding fiber bar guiding piece and boundling parts makes when needed, by the ribbon translator unit lateral displacement targetedly of cluster area, for example to wear and tear output press roll and provide pressure roller and/or cylinder down equably.Compression roller unit can design at staple fiber or for the filament fiber drafting system.Be used for the drafting system of filament fiber, the diameter of following cylinder is usually enough greatly to support compression roller unit; And be used for the drafting system of staple fiber, need to replace so larger-diameter lower compression roller that has.
When the existing drafting system of repacking, it is favourable displacing cylinder in the exit of draw zone, and compression roller unit provides with following cylinder completely.This down cylinder advantageously be equipped with level and smooth periphery, described level and smooth periphery has high coefficient of friction to fiber at least in the zone of the process of ribbon.This for example reaches by chemically or electrolytically handling in the zone of the process of ribbon at least or the periphery of cylinder down being carried out coating.The periphery of cylinder under usefulness nickel-diamond coating in the zone of the process of ribbon at least for example.Can also provide correspondingly the following cylinder that constitutes as spare part independently.
The boundling parts of drafting system of the present invention can provide in combination with compression roller unit and can be used as also independently that parts provide, and are used for repacking or as spare part.What boundling parts described herein preferably had roughly triangular-section is prismatic body substantially.The formation of the prismatic body of described general triangular is considered output press roll and is provided the shape in the gap between the pressure roller.The radius of the supporting surface of boundling parts to a great extent with the support of drafting system under cylinder and the radius that provides pressure roller be complementary.In the body of boundling parts, be provided with the boundling parts are fixed on magnet on the following cylinder.Magnet described herein can be directly outstanding from the supporting surface towards following cylinder on the described body, and constitute the part of described body.Yet described magnet but can also be placed near the holding in the bore hole of supporting surface.For the reason of wearing and tearing, and because its favourable machinability and size accuracy, described boundling parts preferably are made of ceramic material or plastics-ceramic mixture.
Claims (39)
1. the drafting system of a ring spinner, have draw zone (7,10) and the boundling parts (11 of how much-mechanism, 21,31,41), these boundling parts have be used for after the drawing-off and broadening after the boundling tank circuit (12 of ribbon (F), 22,32,42), it is characterized in that, boundling parts (11,21,31,41) be arranged in the cluster area (16), described cluster area (16) is at draw zone (7, providing between the pressure roller (15) of the output of output press roll 10) (8) and cluster area (16) extended, and described drafting system is provided with down cylinder (9), and described cylinder down supports at least in part along ribbon transfer path (A, B) ribbon (F) of process cluster area (16).
2. drafting system as claimed in claim 1 is characterized in that, described cylinder (9) down supports described output press roll (8) and the described pressure roller (15) that provides.
3. drafting system as claimed in claim 2 is characterized in that, output press roll (8) and provide pressure roller (15) and be installed on the support (19), and be pressed in down on the cylinder (9) by spring force (63).
4. as claim 2 or 3 described drafting systems, it is characterized in that, the transfer path of ribbon (F) from the output clamping line (A) of output press roll (8) and following cylinder (9) extend to provide pressure roller (15) and following cylinder (9) provide clamping line (B), and its length (1) is less than 1/3rd the length that is embedded in fiber in the ribbon (F).
5. drafting system as claimed in claim 4 is characterized in that, boundling parts (11,21,31,41) seamlessly paste on its operating position and are placed on the following cylinder (9) and with defeating thereon of can being scheduled to.
6. drafting system as claimed in claim 5 is characterized in that, boundling parts (11,21,31,41) produce by its deadweight and/or by a pre-device of machinery and/or by magnetic force the pressure of following cylinder (9).
7. drafting system as claimed in claim 2 is characterized in that, described boundling parts (41) are connected with a clasp (35), and described clasp (35) flexibly holds down the above circumference of cylinder (9) 180 degree.
8. drafting system as claimed in claim 7 is characterized in that, from this clasp (35) and/or from the outstanding extension (33) of boundling parts, described extension (33) rests on when operation on the parts of fixed-site of drafting system.
9. drafting system as claimed in claim 8, it is characterized in that, be provided with an outstanding backstop (34) on clasp (35), described backstop (34) provides pressure roller (15) and when down cylinder (9) continues rotation, withstands on the parts (61) of the fixed-site of drafting system having lifted.
10. as the described drafting system of one of claim 7-9, it is characterized in that, two boundling parts of each clasp carrying, described boundling parts are arranged on the bilateral of mid-clasp.
11., it is characterized in that clasp (35) and boundling parts (41) constitute as the described drafting system of one of claim 7-9 integratedly.
12. drafting system as claimed in claim 2, it is characterized in that, boundling parts (11,21) rest in its operating position and provide on the pressure roller (15), but do not contact with output press roll (8) on the contrary, the radius of the supporting surface of boundling parts (11,21) and the following cylinder (9) of support and the radius that provides pressure roller (15) equate basically.
13. drafting system as claimed in claim 2 is characterized in that, boundling parts (11,21) end at clamping line (B) before, do not contact with providing pressure roller (15), and described clamping line is formed between the contact zone that provides pressure roller (15) and following cylinder (9).
14. drafting system as claimed in claim 2 is characterized in that, boundling parts (11,21) can lift with providing pressure roller (15).
15. drafting system as claimed in claim 2 is characterized in that, increases ground like this and forms output press roll (8) with providing the boundling parts (11,12) above the minimum range zone between the pressure roller (15): make it and can lift with two pressure rollers (8,15).
16. drafting system as claimed in claim 2 is characterized in that, boundling parts (21) constitute projection or convex shoulder (25), and described convex shoulder (25) projection is in other words overlapping the side that provides pressure roller (15) or output press roll (8).
17. drafting system as claimed in claim 16 is characterized in that, described projection convex shoulder (25) in other words is equipped with the indicator in the cross section of the boundling tank circuit (22).
18. drafting system as claimed in claim 2 is characterized in that, boundling parts (21) are provided with at least one permanent magnet (26), and described permanent magnet (26) cooperates with described cylinder down.
19. drafting system as claimed in claim 1 is characterized in that, boundling parts (11,21) constitute with the mixture of ceramic material or plastics-pottery.
20. drafting system as claimed in claim 7 is characterized in that, boundling parts (41) and clasp constitute with plastics.
21. drafting system as claimed in claim 1 is characterized in that, the periphery (91) of following cylinder (9) is not interrupted, disconnects and is level and smooth.
22. drafting system as claimed in claim 1 is characterized in that, the periphery (91) of following cylinder (9) has the coefficient of friction high for fiber at least in the zone of the process of ribbon (F).
23. drafting system as claimed in claim 22 is characterized in that, the periphery (91) of following cylinder (9) chemically or is electrolytically handled or coating in the zone of the process of ribbon (F) at least.
24. as claim 22 or 23 described drafting systems, it is characterized in that, be provided with nickel-diamond coating in the zone in the process of ribbon at least at the periphery (91) of following cylinder (9).
25. drafting system as claimed in claim 1, it is characterized in that, output at draw zone, at a preceding mechanically ribbon guiding piece (51) of effect, the boundling tank circuit (32) of the guiding tank circuit (52) the approximate centre ground aligning boundling parts (31) of its ribbon (F) of being provided with of output press roll (8).
26. drafting system as claimed in claim 25 is characterized in that, ribbon guiding piece (51) effectively pass through width less than the boundling tank circuit (32) width in boundling parts (31) porch.
27. as claim 25 or 26 described drafting systems, it is characterized in that described ribbon guiding piece (51) and ribbon guiding piece (51) can be set to lateral displacement can laterally be moved with the direction of transfer that the boundling parts are approximately perpendicular to ribbon (F).
28. ring spinner that has the described drafting system of one of above claim.
29. boundling parts that are used for as the cluster area of the drafting system of one of claim 1-27, it is characterized in that, described boundling parts are the cardinal principle prismatic body that has the general triangular cross section, the radius of described boundling parts (11,21,31,41) supporting surface equates basically with the following cylinder (9) that is used to support of drafting system and the radius that provides pressure roller (15), and is provided with magnetic (26) is used for boundling parts (21) are fixed on cylinder (9) down in described prismatic body.
30. boundling parts as claimed in claim 29 is characterized in that, boundling parts (41) are connected with clasp (35), described clasp (35) greater than 180 the degree scopes on flexibly the overlap joint under cylinder (9).
31. boundling parts as claimed in claim 29 is characterized in that, the boundling parts are made of ceramic material or plastics ceramic mixture.
32. compression roller unit, be used in the cluster area of drafting system, it is characterized in that, comprise output press roll (8) and provide pressure roller (15), described output press roll (8) and provide pressure roller (15) and be installed on the shared support (19), and stretch out leaf spring (63) from described support (19), described leaf spring (63) leans against when installing on the parts of fixed-site of drafting system and providing pressure roller (15) or providing pressure roller (15) and output press roll (8) is pressed on the following cylinder (9) of drafting system.
33. compression roller unit as claimed in claim 32 is characterized in that, correspondingly two supporting output press rolls (8) and provide left side and the right side that pressure roller (15) is installed in mid-support.
34. compression roller unit as claimed in claim 33 is characterized in that, at corresponding supporting output press roll (8) with provide in the gap of pressure roller (15) centre and can not be fixed with boundling parts (11,21,31,41) with unclamping.
35. compression roller unit as claimed in claim 34 is characterized in that, described boundling parts (11,21,31,41) are as the described boundling parts of one of claim 29 to 31 (11,21,31,41).
36. compression roller unit as claimed in claim 32, it is characterized in that, described compression roller unit has the ribbon guiding piece (51) of machinery, described ribbon guiding piece can not be arranged on output press roll (8) and corresponding output press roll (8) with unclamping and provide the relative side in gap between the pressure roller (15), and is under the state that installs in the draw zone of drafting system.
37. compression roller unit as claimed in claim 36, it is characterized in that, ribbon guiding piece (51) has the guiding tank circuit (52) of ribbon (F), the boundling tank circuit (32) that boundling parts (31) are aimed on described guiding tank circuit approximate centre ground is provided with, and its effective vent width is less than the width of the porch of the boundling tank circuit (32) in boundling parts (31).
38. compression roller unit as claimed in claim 37 is characterized in that, but lateral displacement ribbon guiding piece and boundling parts and lateral displacement jointly be set.
39. the drafting system of a ring spinner of having reequiped, comprise down cylinder (9) and as compression roller unit as described in one of claim 32-38, it is characterized in that, the periphery (91) of following cylinder (9) is not interrupted, disconnects and is level and smooth, and the periphery (91) of following cylinder (9) has the coefficient of friction high for fiber at least in the zone of the process of ribbon (F), and chemically or is electrolytically handled or coating in the zone of the process of ribbon (F) at least.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH786/2002 | 2002-05-08 | ||
| CH786/02 | 2002-05-08 | ||
| CH7862002 | 2002-05-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1602373A CN1602373A (en) | 2005-03-30 |
| CN100360728C true CN100360728C (en) | 2008-01-09 |
Family
ID=29410158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038017369A Expired - Lifetime CN100360728C (en) | 2002-05-08 | 2003-01-03 | Drafting assembly for a ring spinning frame comprising a compressor for a fibre band |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1501967B1 (en) |
| JP (1) | JP2005524784A (en) |
| CN (1) | CN100360728C (en) |
| AU (1) | AU2003200826A1 (en) |
| DE (1) | DE50311450D1 (en) |
| WO (1) | WO2003095723A1 (en) |
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| DE19805397A1 (en) * | 1998-02-11 | 1999-08-12 | Rieter Ag Maschf | Condensing stage for slivers between the drawing unit and the spinner with increased condensing effect, for spinning various yarns to give haired effects |
| DE9422313U1 (en) * | 1993-07-14 | 1999-12-30 | Deutsche Institute für Textil- und Faserforschung Stuttgart - Stiftung des öffentlichen Rechts, 73770 Denkendorf | Double apron drafting system |
| DE19909501A1 (en) * | 1999-03-04 | 2000-09-07 | Rieter Ag Maschf | Spinning assembly has an additional guide between the condensing unit and the spinner to deflect the material path to maintain contact with the condensing section and prevent oscillation |
| US6341484B2 (en) * | 2000-02-24 | 2002-01-29 | Zinser Textilmaschinen Gmbh | Drafting frame for a spinning machine |
-
2003
- 2003-01-03 WO PCT/CH2003/000001 patent/WO2003095723A1/en active Application Filing
- 2003-01-03 JP JP2004503705A patent/JP2005524784A/en active Pending
- 2003-01-03 EP EP03700001A patent/EP1501967B1/en not_active Expired - Lifetime
- 2003-01-03 CN CNB038017369A patent/CN100360728C/en not_active Expired - Lifetime
- 2003-01-03 AU AU2003200826A patent/AU2003200826A1/en not_active Abandoned
- 2003-01-03 DE DE50311450T patent/DE50311450D1/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB642419A (en) * | 1946-09-09 | 1950-09-06 | Jose Mateu Termens | Improvements in drafting mechanisms for textile fibres for use with spinning machines |
| DE1124405B (en) * | 1960-02-24 | 1962-02-22 | Skf Kugellagerfabriken Gmbh | Compressor for spinning machine drafting systems |
| DE9422313U1 (en) * | 1993-07-14 | 1999-12-30 | Deutsche Institute für Textil- und Faserforschung Stuttgart - Stiftung des öffentlichen Rechts, 73770 Denkendorf | Double apron drafting system |
| DE19805397A1 (en) * | 1998-02-11 | 1999-08-12 | Rieter Ag Maschf | Condensing stage for slivers between the drawing unit and the spinner with increased condensing effect, for spinning various yarns to give haired effects |
| DE19909501A1 (en) * | 1999-03-04 | 2000-09-07 | Rieter Ag Maschf | Spinning assembly has an additional guide between the condensing unit and the spinner to deflect the material path to maintain contact with the condensing section and prevent oscillation |
| US6341484B2 (en) * | 2000-02-24 | 2002-01-29 | Zinser Textilmaschinen Gmbh | Drafting frame for a spinning machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435121B (en) * | 2008-12-11 | 2012-07-18 | 朱爱萍 | Compact spinning unit with yarn control function |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003095723A1 (en) | 2003-11-20 |
| EP1501967A1 (en) | 2005-02-02 |
| AU2003200826A1 (en) | 2003-11-11 |
| JP2005524784A (en) | 2005-08-18 |
| CN1602373A (en) | 2005-03-30 |
| DE50311450D1 (en) | 2009-06-04 |
| EP1501967B1 (en) | 2009-04-22 |
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