CN100408734C - Spinning machine and spinning method - Google Patents
Spinning machine and spinning method Download PDFInfo
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- CN100408734C CN100408734C CNB031567436A CN03156743A CN100408734C CN 100408734 C CN100408734 C CN 100408734C CN B031567436 A CNB031567436 A CN B031567436A CN 03156743 A CN03156743 A CN 03156743A CN 100408734 C CN100408734 C CN 100408734C
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- spinning
- aspirator
- pumping unit
- swabbing pressure
- yarn
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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
- D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
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Abstract
To provide a spinning machine enabling a sucking pressure of a fiber bundle-collecting device to be set and changed so that the quality of a spun yarn may satisfy a desired condition. Two or more ducts 44 for the fiber bundle-collecting device are arranged along the longitudinal direction of a spinning machine frame. Sucking devices 45 having fan motors are connected to each of the ducts 44 through pipes 46, and sucking parts S are connected thereto through connecting pipes 48. Each motor 47 is connected to a common inverter 52, and the inverter 52 controls the motor 47 based on a command signal from a controller 54. The controller 54 has a memory 55, and corresponding data, etc., between various kinds of spinning conditions such as fiber kinds and counts of the spun yarns, and rotational speeds of the motor 47 are memorized in the memory. Data for setting the sucking pressure acting on the fiber bundle so as to be in order of low count>middle count>fine count are also memorized in the memory. The controller 54 is regulated so as to order the rotational speed of the motor 47 corresponding to the spinning condition to the inverter 52.
Description
Technical field
The present invention relates to a kind of spinning machine and a kind of spinning method, more specifically to for example a kind of spinning machine that is provided with fiber bundling apparatus with use the spinning method of this spinning machine, this fiber bundling apparatus be arranged on a spinning machine drafting system (drawing-off part) the downstream and collect fibre bundle by the drafting system drawing-off.
Background technology
Up to the present, such fiber bundling apparatus generally uses swabbing action to collect fibre bundle (for example with reference to JP11-286837A and JP2000-73224A).In in these devices that in above-mentioned patent documentation 1 and 2, disclose each, at the downstream bottom side of the last roller of a drafting system the one hollow profile (guide roller) that constitutes the fixing slidingsurface with suction slit is set, be used for the perforation belt of transmission with reeling, on this upside, be provided with one and keep contacting to limit the clamping roller of a bite with this perforation belt around this hollow profile.This clamping roller is driven by a conveyer belt by last roller.In order to replace driving the structure of this clamping roller, also disclosed a kind of structure that drives this clamping roller by the conveying roller that contacts with last roller by this conveyer belt.
In addition, disclosed a kind of fiber bundling apparatus, the structure that this fiber bundling apparatus has is different from the structure disclosed in the above-mentioned patent documentation 1, because this perforated tape is wound between a hollow profile and the tension roller (with reference to JP2000-34631A), this hollow profile has a suction slit on its slidingsurface.
Consider when when being provided with the spinning machine spun yarn of above-mentioned fiber bundling apparatus, act on the swabbing pressure influence quality of yarn to be spinned on the suction slit of this fiber bundling apparatus.Yet, up to the present, have been found that without any document description to change this swabbing pressure effectively about spinning conditions according to the suitable yarn qualities of spinning.
Inventor of the present invention has changed this swabbing pressure experimentally so that check the quality of this spun yarn.Therefore will see below: in the zone with low swabbing pressure, yarn qualities is significantly improved with the rising (increasing the decompression degree) of this negative pressure; Yarn qualities tends to remain unchanged after arriving certain level or higher level, perhaps because be brought to saturation state at this level one fibre bundle.In addition, have been found that this level according to yarn dimensions (number), fiber type begins to remain unchanged at this level place pressure with the spindle rotating speed and different.
The above-mentioned fact has caused as drawing a conclusion: have certain level or higher swabbing pressure (below be called must pressure) thus be applied on the fibre bundle so that the boundling degree that increases this fibre bundle by swabbing action realizes that required yarn qualities is very important.Yet when being when fixing with a pressure set points with the corresponding pumping equipment of the spinning conditions of the necessary pressure of seeing from security standpoint, caused a kind of like this result, promptly, needn't consume energy such as the electric energy that is used to aspirate for spinning conditions with low necessary pressure.
In addition, even think that an aspirator is configured to for each spinning conditions, one swabbing pressure is changeable when considering above-mentioned condition, one problem can appear, even promptly the operator of a spinning machine attempts not have energy dissipation ground to carry out the pressure setting, can not easily determine a suitable value; This problem has related to the spinning Test that is difficult to according to carrying out and has found the suitable value that is used at every turn changing this spinning conditions in multiple situation.
In addition, known basis twist usually/reel-up or analog be at the yarn qualities that batches yarn tension change such as the fine hair in the yarn around a full bobbin.Therefore,, can the most compatibly change this swabbing pressure, rather than to stop to keep this swabbing pressure to full bobbin be constant level from batching (spinning beginning) in order to obtain more uniform yarn.
Summary of the invention
Therefore made the present invention at above-mentioned problem, first target of the present invention is that a spinning machine is set, and makes the condition that the quality of spun yarn is satisfied the demand thereby this spinning machine can be provided with and change the swabbing pressure of fiber bundling apparatus.In addition, second target of the present invention provides a kind of spinning method, and in the method, fiber bundling apparatus is used for from reeling initial to finishing to apply suitable fiber bundling effect, thereby spinning has the yarn of constant-quality.
In order to reach the first above-mentioned target, the invention provides a kind of spinning machine that comprises fiber bundling apparatus, this fiber bundling apparatus is arranged on the right downstream of the last conveying roller of drawing-off part and collects fibre bundle by the drawing-off partial draft, and wherein this fiber bundling apparatus comprises: one is provided with the transport portion of a clamping roller; One is provided with the pumping unit of a suction socket, and this suction socket is extended towards the upstream side of the bite of this transport portion on the moving direction of this fibre bundle at least; One ventilated element that constitutes this transport portion and rotate along this pumping unit; With one can set and change the aspirator that acts on the swabbing pressure on this pumping unit at random, wherein this aspirator is driven, so that the size that changes this swabbing pressure is to satisfy the relation of big number＞middle number＞little number, they are corresponding to the big number of this spun yarn, middle number and little number.
According to above-mentioned the present invention, by the fibre bundle of the fiber bundling apparatus collection on the right downstream of the last conveying roller that is arranged on this drawing-off part by this drawing-off partial draft.Therefore, suppressed the generation of fine hair and waste cotton, compared, significantly strengthened the effect of improving of this yarn qualities with the spinning machine that is not provided with fiber bundling apparatus.The swabbing action of the suction socket by this pumping unit has caused the boundling effect of this fiber bundling apparatus, gives this suction socket one swabbing pressure by this aspirator.The swabbing pressure that acts on this pumping unit can be set and change to this aspirator at random then, therefore spins when changing swabbing pressure, so that have optimized value according to this spinning conditions.
In above-mentioned the present invention, this swabbing pressure is changed into the suitable value that has about the thickness of spun yarn so that spin.Therefore, the boundling of this fiber bundling apparatus is done to carry out suitably in order to the mode that suppresses the waste energy loss.
In the present invention, this aspirator is driven by control device and control makes this swabbing pressure to change, and this control device is configured such that this suitable swabbing pressure can be automatically according to the spinning conditions setting.In the present invention, this spinning conditions is set, and according to this spinning conditions suitable swabbing pressure is set automatically in this control device.Then, when spinning machine is worked, drive and control this aspirator by control device and make the swabbing pressure of this pumping unit become suitable pressure that should spinning conditions.
In the present invention, this pumping unit is provided with a suction tube, and this suction tube has the suction socket corresponding to each spindle, and this suction tube is connected to a conduit place, and this conduit remains on negative pressure by a plurality of aspirators.In the present invention, because when abending, the negative pressure that is produced by remaining aspirator can be guaranteed the swabbing action of this suction socket when an aspirator.Therefore, the yarn qualities of spinning remains on a tolerance band.
In the present invention, the conduit that is connected with this suction tube is independent of a pneumatic tube setting.In the present invention, this conduit can remain on predetermined negative pressure not increasing under this aspirator size condition.
In order to reach second target, the invention provides a kind of spinning method, this method is used the spinning machine that is provided with fiber bundling apparatus, this fiber bundling apparatus is on the right downstream of the last conveying roller of drawing-off part, and this beaming device is provided with: one has the transport portion of a clamping roller; One is provided with the pumping unit of a suction socket, and this suction socket is arranged to extend towards the upstream side of the bite of this transport portion at least about the moving direction of a fibre bundle; One ventilated element that constitutes this transport portion and rotate along this pumping unit; With one can set and change the aspirator that acts on the swabbing pressure on this pumping unit at random and collect device by the fibre bundle of drawing-off partial draft.Then, spin when one is adjusted into maximum constantly at this swabbing pressure, this reaches 30% of full bobbin for the amount of thread that batches on the bobbin constantly.
According to above-mentioned the present invention, spinning is not carried out to and makes the swabbing pressure of this fiber bundling apparatus begin to keep constant to finishing (promptly expiring bobbin) from batching of spinning, but making the swabbing action of this suction socket reach maximum constantly one, this reaches 30% of this full bobbin for the amount of thread that batches on the bobbin constantly.Therefore improved the quality of this spun yarn.
Description of drawings
In the accompanying drawings:
Fig. 1 illustrates according to the aspirator of an embodiment and the view of a guide-tube structure;
Fig. 2 is the partial cross section side view that a drafting system and a fiber bundling apparatus are shown;
Fig. 3 is the partial view that a pumping unit is shown and once concerns between the clamping roller;
Fig. 4 A is that partial view and Fig. 4 B of the fiber bundling apparatus seen from fibre bundle moving direction front portion is the front view of rotating shaft;
Fig. 5 is the partial enlarged view of Fig. 2;
Fig. 6 is the part perspective view of a tube connector;
Fig. 7 A-Fig. 7 F is respectively a chart, and it illustrates relation or the swabbing pressure between swabbing pressure and the filoplume degree and has relation between the U% in the spinning of yarn of different yarns number; With
Fig. 8 is a chart, and it is illustrated in the common ring throstle medium staple approximate number order and the relation of the amount of batching.
The specific embodiment
With reference to embodiment of Fig. 1-8 various details.Fig. 1 shows the conduit at a fiber bundling apparatus, and the plan view of the relation between aspirator and the pumping unit, Fig. 2 are that side view is shown in the cross section letter of part that a side of a drafting system is shown.Fig. 3 is the part schematic diagram that omits this top roller side, shows the relation between the following clamping roller of the bottom roll of a drafting system and pumping unit and this fiber bundling apparatus.Fig. 4 A is the schematic diagram of this fiber bundling apparatus, from the direction (front side in a fibre bundle this drafting system mobile direction look) of fibre bundle in the bite extraction.
As shown in Figure 2, be one or three row's structures as drawing-off drafting system 11 partly, this structure is equipped with anterior bottom roll 12, one a middle bottom roll 13 and back bottom roller 14.This front portion bottom roll 12 is supported on the pre-position about a roller bearing 15, and this centre and back bottom roller 13 and 14 support so that allow to carry out along the longitudinal direction the position adjustment by the mid portion that is fastened to support 13a on this roller bearing 15 and 14a.This support 13a and 14a are fastened to preposition by screw and the nut (all not illustrating) that penetrates in the elongated hole that is formed on this roller bearing 15.Around stretcher 17 once and the middle bottom roll apron 16 of reeling.
Support anterior top roller 19, one a middle top roller 20 and rear portion top rollers 21 by a weight arm 18 that passes the mid portion of top roller support member, their position corresponds respectively to this front portion bottom roll 12, middle bottom roll 13 and back bottom roller 14.In one or two spindle unit, support each top roller 19-21.It is right that this front portion bottom roll 12 and anterior top roller 19 have constituted the last conveying roller of this drafting unit 11.
On weighting arm 18, be provided with a lever 18a so that can be rotated to a pressing position and an off-position.Be arranged in the condition at this pressing position place at this lever 18a, keep a lockup state, wherein in this pressing position, this lever 18a rests on the framework 18b of the weighting arm 18 that is illustrated among Fig. 2, the top roller 19-21 that is supported by weighting arm 18 in this lockup state is in the position (yarning position) of pressurization, these top rollers are pressed to this bottom roll 12,13 and 14 in this pressing position.Rotated to the condition of off-position on top at this lever 18a, cancelled this lockup state from the position shown in Fig. 2.
As shown in Figure 2, a fiber bundling apparatus 30 is arranged on the last right downstream of conveying roller of this drafting system 11.This fiber bundling apparatus 30 is equipped with suction tube 32 and 33, one the air-permeable apron 34 as ventilated element of a transport portion 31, as pumping unit S.This transport portion 31 comprises that one is formed on following clamping roller 35a on the rotating shaft 35 and a mid portion by this air-permeable apron 34 and is pressed against last clamping roller 31a on this time clamping roller 35a, and this rotating shaft 35 be arranged in parallel with anterior bottom roll 12.
Shown in Fig. 4 A, in the fiber bundling apparatus 30 of this embodiment, should go up the top roller 19-21 that clamping roller 31a is similar to this drafting system 11, supported by the weighting arm 18 of the mid portion that passes through a support component 36 (shown in Fig. 1 and Fig. 3) every two spindles.Notice that in this embodiment this support member 36 constitutes an integral body with the support member of this front portion top roller 19.
On the other hand, on the downside of fiber bundling apparatus 30, be arranged on half in the spindle between the roller bearing 15 of drafting system 11, promptly 4 spindles have in this embodiment constituted a unit.Locate in the centre position of this roller bearing 15 as shown in Figure 3, one support arm 38 is arranged in such state, promptly its bottom end is supported by a pillar 37 that extends along this machine bottom longitudinal direction under this state, and this rotating shaft 35 is supported between roller bearing 15 and the support arm 38, this roller bearing 15 with predetermined interval along this machine bottom longitudinal direction setting.
As shown in Fig. 4 b, this rotating shaft 35 forms with the predetermined length corresponding to a plurality of spindles (being 4 spindles in this embodiment), at its two ends fixing bearing 39.This bearing 39 is coupled in the end plug 40, shown in Fig. 4 A, end plug 40 is supported among the mating part 40a by the support section 15a and the 38a that are arranged in this roller bearing 15 and the support arm 38, and this rotating shaft 35 rotatably is supported between this roller bearing 15 and the support arm 38 thus.This support section 15a and 38a form and can support two end plugs 40, and can support the end plug 40 on the end that is installed in adjacent rotating shaft 35.
This support section 15a is formed by a block that is fixed on the roller bearing 15, and has the upwardly extending fit that tilts in the front side of this machine bottom.This support section 38a also has the upwardly extending fit that tilts in the front side of this machine bottom.Then, this end plug 40 has a mating part 40a that can cooperate with this fit, and this end plug 40 forms and can be coupled among this mating part 40a with this support section 15a and 38a by a single movement.
This rotating shaft 35 has a gear 41 in its longitudinal center, and this gear 41 is in aggregates with this rotating shaft 35.As shown in Figure 3, this front portion bottom roll 12 has a gear parts 12a at the opposed locations place with this gear 41.Idler gear 43 with this gear parts 12a and gear 41 engagements is supported by a support arm 42 rotations in addition, and the bottom end of this support arm 42 is fixed on the pillar 37 of similar support arm 38.That is, by gear parts 12a, idler gear 43 and gear 41, the moment of torsion of this front portion bottom roll 12 are passed to this rotating shaft 35.
As illustrated in fig. 1 and 2, in the machine bottom of this fine spining machine, the conduit 44 as suction source (negative pressure source) that is used for this fiber bundling apparatus 30 is arranged to extend (edge is perpendicular to the direction on the plane of Fig. 1) along the longitudinal direction of this machine bottom.Being provided with a plurality of conduits 44 as shown in Figure 1 makes and extends along the longitudinal direction of the bottom of this fine spining machine.In this embodiment, the length of each conduit 44 is such, and promptly it is corresponding at 24 spindles on the side and 48 spindles on two sides.Be used for keeping a plurality of (being 3 in this embodiment) aspirator 45 of the negative pressure of each pipeline 44 to be connected with each conduit 44 by pipeline 46.In this embodiment promptly, a unit is provided with an aspirator, and this unit comprises 16 spindles.This aspirator 45 comprises blower motor, drives this blower fan 47a by motor 47 in this blower motor.As shown in Figure 2, this conduit 44 is arranged on the top rear side of this drafting system 11 and in the center of the machine bottom of this fine spining machine, and this aspirator 45 is arranged on below this conduit 44.This aspirator is by conduit 44 and this aspirator 45 structures.
As shown in Figure 1, this pumping unit S is set so that being parallel to this conduit 44 extends for per four spindle unit, and this pumping unit S is connected on this conduit 44 by tube connector 48.Each tube connector 48 point place therein has a corrugated portion 49 (only shown in Figure 2).In Fig. 1, this suction tube 32 and 33 collectives are depicted as this pumping unit S, be formed in each of this suction tube 32 and 33 and suction socket that be described below by the roughly expression of dotted line circle.
As shown in Figure 6, mating holes 48a and 48b are formed in the anterior end of this tube connector 48, this suction tube 32 and 33 and this mating holes 48a and 48b removably install.In addition, the first end that this suction tube 32 and 33 removably is installed in the right side and the left side of this tube connector 48, this suction tube 32 and 33 the second end cooperate with this end plug 40.In addition, on this end plug 40, be formed with the mating holes 40b that cooperates with this bearing 39.Fig. 6 is that perspective view is shown in the part letter that the state on the side that this suction tube 32 and 33 is installed to this tube connector 48 is shown.
As shown in Figure 3, the slidingsurface 32b of this suction tube 32 has the slot type suction socket 32a that forms thereon, and this suction socket 32a extends towards upstream side on the moving direction of fibre bundle (batting) F, and the bite of this time clamping roller 35a is between suction socket.The slidingsurface 33b of this suction tube 33 is formed with slot type suction socket 33a thereon, and this suction socket 33a extends towards the downstream.Then shown in Fig. 3 and 5, this suction tube 32 is arranged on the upstream side about the bite of this time clamping roller 35a of the moving direction of this fibre bundle, and this suction tube 33 is arranged on the downstream about the bite of this time clamping roller 35a of the moving direction of this fibre bundle.Notice that in Fig. 3 air-permeable apron 34 is represented to be convenient to see this suction socket 32a and 33a by a dotted line.
Each suction tube 32 forms such structure, and promptly this pipe 32 can guide this air-permeable apron 34 so that this apron 34 is taken near the bite of close this front portion bottom roll 12 and anterior top roller 19.This suction tube 33 is arranged to by the fiber bundle F of a certain front roller angle of contact biasing from this air-permeable apron output.The part that term " front roller angle of contact " is meant the center of curvature that connects this curved surfaces and bite with is connected the center of curvature and is used for the leading of fiber bundle F from the angle of the part formation of point, along this curved surfaces this fibre bundle (flock) by bite be directed into that leading offs normal puts.This air-permeable apron 34 is wound into and contacts with 33 parts with this suction tube 32 and contact with this time clamping roller 35 parts, and along with this time clamping roller 35a rotates the slip one side rotation on this slidingsurface 32b and 33b of this air-permeable apron one side.In this embodiment, air-permeable apron 34 is made of the Woven fabric that can guarantee suitable breathable.
As Fig. 2, shown in the 4A etc., the anterior end of suction nozzle 50 of the pneumatic means of a single type is set near the bottom of each suction tube 33, this pneumatic means is suitable for when yarn breakage suction from the fiber bundle F of this drafting system 11.The bottom end of this suction nozzle 50 is connected on the shared pneumatic tube of all spindles 51.
As shown in Figure 1, corresponding motor 47 is connected on the commercial ac power source 53 by a common converter 52.This converter 52 is combined with a rectifier circuit and converter circuit.The alternating current of this AC power 53 is become DC current by rectifier rectification, thereby the alternating current that this direct current is transformed in a convertor circuit then corresponding to a given frequency and voltage is output as the generation electric current.This converter 52 is electrically connected with a control device 54, and according to control this motor 47 from the command signal of control device 54.This control device is electrically connected with one group of control device (not shown) of this spinning machine.This converter 52 and control device 54 constitute control module.
This control device 54 is used to the spinning conditions data of operation of spinning from major control device input, and notifies the rotating speed of the motor 47 that 52 pairs in this converter should spinning conditions.That is, this aspirator (aspirator 45) is configured to adjust this swabbing pressure by this control module (converter 52 and control device 54), and this control module is configured to can activate according to this spinning conditions a suitable swabbing pressure is set.
In addition, the operation of this device of structure will be described below as mentioned above.
Before this spinning machine of operation, the spinning conditions that is used for the yam count etc. of different fiber types and spinning is imported into this master controller.When this spinning machine is operated, thus fiber bundle F between this bottom roll 12-14 of this drafting system 11 and top roller 19-21 by drafted, be directed to this fiber bundling apparatus 30 then.Transport portion 31 is with the speed rotation of the superficial velocity of the superficial velocity that is slightly higher than this front portion bottom roll 12 and anterior top roller 19.Through after the bite of this transport portion 31, this fiber bundle F is biased and moves downstream when being twisted under convenient pressure.
In addition, the swabbing action of this conduit 44 is applied on this suction tube 32 and 33 by tube connector 48, is formed on suction socket 32a on this slidingsurface 32b and the 33b and the swabbing action of 33a and is applied on this fiber bundle F by air-permeable apron 34.Then, this fiber bundle F one side attracts towards the position corresponding to this suction socket 32a and 33a and collects one side and move.Because suction socket 32a and 33a exist on the upstream side of the bite of this transport portion 31 and downstream respectively, fiber bundle F is in that to be collected one side through one side after this bite under swabbing action mobile.Therefore, define,, thereby obtained big improvement aspect yarn qualities enhancing effect so that suppress the generation of fine hair and waste cotton locate the separation of fiber through the two ends of each fibre bundle after the bite.
As for this aspirator 45,, make negative pressure in this conduit 44 have correspondence and comprise yarn thickness (number), the desired value of the spinning conditions of fiber type etc. by the rotating speed of this converter 52 these motors 47 of control.Therefore, even under this spinning conditions situation of change, also can spin the yarn of required quality.
Fig. 7 A and 7B, Fig. 7 C and 7D, with Fig. 7 E and 7F the relation of swabbing pressure and filoplume degree (fine hair), swabbing pressure and spinning big number (careless yarn: 10), the relation between the U% of the yarn of middle number (combed yarn: 40) and little number (combed yarn: 80) are shown respectively.Notice that " filoplume degree " expression is present in the total length of the fine hair in the 1cm yarn.Yet generally, the expression of filoplume degree does not have unit.Acting on the yarn qualities that swabbing pressure on the fiber bundle F causes being spun into by suction socket 32a and 33a changes.In zone with low swabbing pressure, rising (increasing the decompression degree) by negative pressure has significantly improved yarn qualities, when this negative pressure arrives certain level or when higher, it is constant substantially that this negative pressure is tended to keep, because at this horizontal fibre bundle state that reaches capacity.As for the vacuum magnitude that begins to remain unchanged, set up the big number of following relation＞middle number＞little number.Being stored in being used in this memory 55 sets the data of rotating speed of this motor 47 so that obtain swabbing pressure according to above-mentioned spinning result decision.When from main control unit to 54 inputs of this control device during about the data of spinning conditions, the rotating speed that is suitable for spinning conditions is composed to this converter 52.This converter 52 makes this motor 47 of control have desired speed then.
This embodiment provides following effect.
(1) this fiber bundling apparatus 30 is provided with and can be provided with at random and changes the aspirator (aspirator 45) that acts on the swabbing pressure on this pumping unit S.Therefore this spinning can simultaneously change swabbing pressure and simultaneously carries out, and this swabbing pressure acts on the pumping unit S, makes the quality of spun yarn satisfy the required condition of corresponding spinning conditions so that have a suitable value.
(2) this aspirator 45 is driven and makes each the size of swabbing pressure of this suction socket 32a and 33a satisfy the big number of following relation＞middle number＞little number, and they are respectively to big number, middle number and little number that should spun yarn.Therefore to change this swabbing pressure according to the thickness of this yarn that is spun into be that a suitable value is simultaneously spinned to one side, makes the collecting action that carries out this fiber bundling apparatus 30 in suppressing the state of useless energy consumption suitably.
(3) this aspirator 45 is driven and control by this control module (converter 52 and control device 54), makes to change this swabbing pressure, and control module is configured to and can suitable swabbing pressure be set automatically according to this spinning conditions.Therefore, when changing spinning conditions, the operator of this spinning machine imported and spinning conditions is set before operation is enough.Therefore be easy to change the operation of this spinning conditions.
(4) suction tube 32 and 33 that is respectively arranged with suction socket 32a and 33a links together by this tube connector 48 and conduit 44, and this suction tube 32 and 33 applies swabbing action and is provided with accordingly with corresponding spindle on this drafted fiber bundle F.This conduit 44 is kept having negative pressure by a plurality of aspirators 45.Therefore, when one in the aspirator 45 owing to unusually stopping, the negative pressure that is produced by remaining aspirator 45 has been guaranteed the swabbing action of this suction socket 32a and 33a, so the quality of institute's yarn remains in the allowed band.
(5) conduit 44 that is used for this fiber bundling apparatus 30 is independent of this pneumatic tube 51 and is provided with.Therefore this conduit 44 can increase the size of this aspirator 45 and be maintained in the predetermined negative pressure.
(6) owing to be arranged on the upstream side that the boundling effect of the suction socket 33a on the downstream of this bite is delivered to this bite to a certain extent.Therefore suppress the dispersion till this fiber bundle F arrives this bite, therefore further improved this boundling effect.
The present invention is not limited to the above embodiments.For example can this embodiment of following structure.
In the above-described embodiment, under predetermined spinning conditions, begin to be in constant swabbing pressure and spin to the pumping unit S that finishes (that is full bobbin) this fiber bundling apparatus 30 from batching yarn to be spun.Yet this aspirator 45 can be driven and controlledly make that the swabbing pressure of this pumping unit S is increased from beginning to batch institute's yarn to full bobbin in a period of time, and this section period is to consider that fine hair produces the time that condition is easy to produce this fine hair.Fig. 8 is a chart, the figure shows out the quantity of generation fine hair and the relation between the quantity of batching in the ring throstle that is not provided with fiber bundling apparatus 30.3mm fine hair number/10m has represented to have respectively the fine hair quantity of 3mm length in the longitudinal axis of Fig. 8 in the 10m yarn.From Fig. 8, find in Yarn reeling is about time of 30% (30% volume) of this full bobbin to the amount of batching on this bobbin, to be easy to produce this fine hair.In this embodiment, the one side one side of spinning is adjusted at yarn and reaches roughly to the amount of batching on the spindle and expire 30% o'clock of bobbin and make the swabbing pressure of this pumping unit S reach maximum.For example, be stored in data in the memory 55 and show relation between the swabbing pressure of the amount of batching of each spinning conditions and pumping unit S.This control device 54 is notified this converter 52 motor 47 rotating speeds corresponding to the amount of batching after pneumatic spinning then.Be input in this control device 54 by the information of main control unit about this amount of batching.In this situation, spinning is not carried out to and makes the swabbing pressure of fiber bundling apparatus 30 begin to finish keeping constant batching spun yarn, makes and reaches the swabbing action of about 30% o'clock this suction socket for maximum in the Yarn reeling amount to bobbin but be carried out to.Therefore, in the yarn that batches around this full bobbin, the generation of the uneven rate of fine hair and yarn is uniformly, thereby causes further having improved the quality of this spun yarn.
The structure that can adopt is that the operator of spinning machine imports and be provided with spinning conditions to this control device 54, replace control device 54 to pass through the structure of communication input about the data of spinning conditions from this main control unit, this control device 54 passes through converter 52 according to this spinning conditions control motor 47.
Can adopt a kind of structure, in this structure, when importing this spinning conditions, this condition formerly is stored in the spinning conditions in this main control unit or the control device 54 and selects.
The swabbing pressure of this pumping unit S can be independent of this spinning conditions setting.In this situation, change spinning quality wittingly according to employed spun yarn, can avoid being spun into high-quality yarn.
Can adopt a kind of structure, in this structure, the operator of spinning machine is to 54 inputs of this control device and control the rotating speed of this motor 47, replaces such structure, represents that promptly the data in advance of the relation of spinning conditions and swabbing pressure is stored in this control device 54; Drive and control this motor 47 by these converter 52 these control device 54, so that obtain predetermined swabbing pressure by this spinning conditions of input.In this situation, represent that icon of concerning between the rotating speed of this spinning conditions and motor 47 etc. preferably prepares into the rotating speed that the operator of spinning machine can check the motor 47 corresponding with the spinning conditions of using this chart etc. in advance.
Can adopt a kind of structure, the main control unit of this spinning machine is also carried out the function of control device 54 and is directly exported a command signal and give this converter 52 in this structure, and this control device 54 is not provided.
Except the swabbing pressure of adjusting this pumping unit S is a suitable value so that spin the yarn of satisfactory quality in general sense, promptly relate to beyond the yarn that seldom produces fine hair and yarn unevenness, the swabbing pressure of this pumping unit S can be adjusted to has a mind to control this yarn qualities.For example the required quality of this yarn is at the yarn that is used for Woven fabric with to be used between the yarn of knit goods be different, even same fiber type also is different.The yarn that for example is used for knit goods has the fine hair quantity height than the yarn that is used for Woven fabric.In addition, the swabbing pressure that this aspirator 45 can be driven into this pumping unit S begins to change suitably to full bobbin from batching, so that form yarn unevenness effectively as the yarn of design, rather than makes yarn even on its whole length.
The quantity of this aspirator 45 of connecting duct 44 is not limited to two or more, also can be one.Yet under the situation of a device, when this aspirator 45 is damaged, the operation of spinning machine must stop immediately so that avoid spinning the yarn that quality reduces.Therefore best and this conduit 44 is connected with a plurality of aspirators 45.
The length of this conduit 44 is not limited to corresponding 24 spindles on a side, and the length of 48 spindles on two sides can be adjusted the length corresponding with the spindle of suitable number.In this situation, the length of the spindle of the multiple that preferred length is a correspondence 8.
A conduit 44 can be provided with on the whole length in the machine bottom of this spinning machine, rather than along the machine bottom longitudinal direction of this spinning machine a plurality of conduits 44 is set.
This left side and right side conduit 44 can be arranged to two rows along the machine of this spinning machine bottom longitudinal direction, and replace suction tube 32 and 33 structures of being shared on the left and right sides that conduit 44 is set at this spinning machine.
Can adopt a kind of structure that has an aspirator 45 to be connected with this conduit 44.
Be connected with in the structure of a plurality of aspirators 45 with this conduit 44, the speed command of the motor 47 of each aspirator 45 is also inequality, but can speed command be set to each motor 47.Then, can adopt a kind of structure, in this structure, be provided with the unusual abnormal detector that is used to detect this aspirator 45, stopped taking place unusual aspirator according to anomaly detection signal from this abnormal detector, the performance that does not present simultaneously unusual and other aspirator of being connected with conduit 44 is reinforced, and this conduit 44 links to each other with unusual conduit 45.For example, shown in Fig. 1 dotted line, for each aspirator 45 is provided with the abnormality detection sensor 56 that is used for this motor 47 as one of abnormal detector.For example the speed probe of the driving shaft of this motor 47 is as this abnormality detection sensor 56.Then according to anomaly detection signal from this abnormality detection sensor 56, this control device 54 has stopped taking place the operation of unusual aspirator, this control device also changes the speed command of this motor 47, so that strengthen the performance of other aspirator 45, this other aspirator 45 links to each other with the conduit 44 that is connected to unusual aspirator 45.In this situation, when generation was unusual in an aspirator 45, one side kept the negative pressure one side in preset range in this conduit 44 to continue operation, even stopped this aspirator 45.Therefore can continue to spin till yarn qualities to be spinned remains on predetermined winder time in the stable state.
In the structure that the performance of other aspirator 45 is strengthened under the unusual situation of aspirator 45 takes place, can control rather than each motor is independently controlled every group of motor 47 that is connected to same conduit.For example, in the situation that motor 47 is driven by a converter, this converter is set on every group of motor 47 that is connected to same conduit 44.For example when 3 aspirators are connected on the same conduit 44, for per 3 motors 47 are provided with a converter 52.In this case, with the situation simplified in comparison of the independent control of motor 47 control and structure.
The position of this conduit 44 is not limited to the top position of the rear side of this drafting system 11, and can be for below the rear side of the rear side of this drafting system 11 or this drafting system 11.
The spinning machine that is called single spindle drive system system is constructed so that according to the anomaly detection signal from the abnormal detector of this aspirator 45 and stops driving to spindle, and this spindle is corresponding to each suction tube 32 and 33 and receive swabbing action from this conduit 44 that links to each other with unusual aspirator 45.For other spindle, proceed spinning then, till the predetermined winder time.Compare with the structure of the spinning that stops all spindles, in this situation, reduced the spindle number that stops to spin.
Replace rotating shaft 35 and suction tube 32 and 33 to be arranged to the structure that 4 spindles constitute a unit, a unit can be made of the number of spindle unit between the roller bearing 15 that closes on (for example 8 spindles) or two spindles.Replacedly, all unit can be made of same number of spindle, by the number that makes spindle between adjacent roller bearing 15, differ from one another (for example 6 spindles and two spindles) two kinds of unit are set.
This suction tube 32 and 33 can not be to form separately, but forms an integral body, and can have an arcuate shape, is opened with the opposed side of top clamping roller 31a in this arcuate shape.
This suction tube 32 and 33 can form respectively has a kind of shape, in this shape, is closed with the end of facing on the opposed side, side of this tube connector 48.In this situation, end plug 40 can be constructed with the mating holes 40b of fitted bearing 39 and cooperate the mating part (hole) of the end of this suction tube 32 and 33, and does not consider the sealing of the end of this suction tube 32 and 33.Therefore simplified production.
Replacement forms this air-permeable apron 34 by Woven fabric or knit goods, can be formed by the perforation belt that rubber-like rubber or resin are made.
The suction tube 32 and 33 that constitutes this pumping unit can form an integral body with this tube connector 48.
The present invention is not limited to such structure, and promptly suction socket 32a and 33a are arranged on the upstream and downstream side of the bite that is clipped in fiber bundle F wherein in this structure.Can adopt a kind of structure, in this structure, this suction socket 32a only is set on the upstream side of this bite.In this situation, do not have the suction tube 33 that is formed on suction socket 33a wherein by using, this production method and assembling can be roughly the same.In addition, can adopt a kind of structure, in this structure, this air-permeable apron 34 of between this suction tube 32 and following clamping roller 35a, reeling, and this suction tube 33 is cast out.
For the structure that is used to drive this air-permeable apron 34, this suction tube 32 and 33 and following clamping roller 35a have been omitted, one suction tube with an oval cross section is set, and the pre-position in this suction tube forms a suction socket, along the excircle of this suction tube this air-permeable apron 34 of reeling of sliding.Can drive clamping roller 31a on this then effectively, and upward clamping roller 31a can one side be driven simultaneously with these air-permeable apron 34 press contacts, thereby drive this air-permeable apron 34.
The structure of this aspirator is not limited to the structure that blower fan 47a is driven by this motor 47.For example can use a drawdown pump (vavuum pump).This vavuum pump can be a rotary system or reciprocating motion system.
Pneumatic means with fluted body mechanism can replace the pneumatic means of a single bleed type.
Can adopt a kind of structure, in this structure, this air-permeable apron 34 is arranged on upside.
Below, will set forth the technological thought of the present invention that can from the foregoing description, grasp.
(1) according to the present invention, this aspirator is provided with the conduit and the aspirator that is connected with this conduit that extends along the machine bottom longitudinal direction of this spinning machine.
(2) in described the present invention, this aspirator is provided with a plurality of conduits and a plurality of aspirators that are connected with this conduit that extend along the machine bottom longitudinal direction of this spinning machine, each aspirator is provided with abnormal detector, unusual aspirator is stopped according to the anomaly detection signal from this abnormal detector, this moment operation is carried out like this, promptly strengthen other with the swabbing action that is connected to the aspirator that links to each other with conduit on the unusual aspirator.
As detailed above, according to the present invention, the swabbing pressure of this fiber bundling apparatus can be set up and change over the yarn qualities that makes spinning and satisfy desired condition.In addition according to the present invention, fiber bundling apparatus is caught from beginning of batching to finishing to apply the boundling effect of suitable fibre bundle, thereby can spin the yarn with constant-quality.
Claims (5)
1. spinning machine that comprises fiber bundling apparatus, this fiber bundling apparatus are arranged on the right downstream of the last conveying roller of drawing-off part and collect fibre bundle by the drawing-off partial draft,
Wherein this fiber bundling apparatus comprises: one is provided with the transport portion of a clamping roller; One is provided with the pumping unit of a suction socket, and this suction socket is extended towards the upstream side of the bite of this transport portion on the moving direction of this fibre bundle at least; One ventilated element that constitutes this transport portion and rotate along this pumping unit; With one can set and change the aspirator that acts on the swabbing pressure on this pumping unit at random,
Wherein this aspirator is driven, so that the size that changes this swabbing pressure is satisfying the relation of big number＞middle number＞little number, they are corresponding to the big number of this spun yarn, middle number and little number.
2. spinning machine according to claim 1, it is characterized in that, drive and control this aspirator by control module, make that can change this swabbing pressure and this control module can be configured such that the suitable value of this swabbing pressure can automatically set according to spinning conditions.
3. spinning machine according to claim 1 and 2 is characterized in that this pumping unit is provided with a suction tube, and this suction tube has the suction socket of corresponding each spindle, and this suction tube is connected with a conduit, and this conduit remains under the negative pressure by a plurality of aspirators.
4. spinning machine according to claim 3 is characterized in that, the conduit that links to each other with this suction tube is independent of a pneumatic tube setting.
5. one use a drawing-off last right downstream of conveying roller partly to be provided with the spinning method of the spinning machine of fiber bundling apparatus, this device comprises: one is provided with the transport portion of a clamping roller; One is provided with the pumping unit of a suction socket, and this suction socket is arranged so that on the moving direction of a fibre bundle at least towards the upstream side about a bite of this transport portion extends; One ventilated element that constitutes this transport portion and rotate along this pumping unit; With can set and change the aspirator that acts on the swabbing pressure on this pumping unit at random, with the device of collecting by the fibre bundle of this drawing-off partial draft, wherein simultaneously adjust swabbing pressure and make this swabbing pressure be maximum at Yarn reeling is reached full bobbin to the amount of batching on the bobbin 30% o'clock, one side is spinned.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP264334/2002 | 2002-09-10 | ||
| JP2002264334A JP3826291B2 (en) | 2002-09-10 | 2002-09-10 | Spinning machine and spinning method |
| JP264334/02 | 2002-09-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1488793A CN1488793A (en) | 2004-04-14 |
| CN100408734C true CN100408734C (en) | 2008-08-06 |
Family
ID=32263803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031567436A Expired - Lifetime CN100408734C (en) | 2002-09-10 | 2003-09-08 | Spinning machine and spinning method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3826291B2 (en) |
| KR (1) | KR100554929B1 (en) |
| CN (1) | CN100408734C (en) |
| TW (1) | TWI250232B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4821644B2 (en) * | 2007-02-21 | 2011-11-24 | 株式会社豊田自動織機 | Spinning machine |
| JP6194909B2 (en) * | 2015-03-10 | 2017-09-13 | トヨタ自動車株式会社 | Filament winding equipment |
| JP6558194B2 (en) * | 2015-10-02 | 2019-08-14 | 株式会社豊田自動織機 | Suction duct in spinning machine |
| CH715422A1 (en) * | 2018-10-02 | 2020-04-15 | Rieter Ag Maschf | Fiber preparation with a sequence of machines. |
| DE102019116234A1 (en) * | 2019-06-14 | 2020-12-17 | Saurer Intelligent Technology AG | Spinning machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02221426A (en) * | 1989-02-20 | 1990-09-04 | Murata Mach Ltd | Centralized suction blower apparatus |
| US6073314A (en) * | 1998-07-14 | 2000-06-13 | Spindelfabrik Suessen, Schurr, Stahlecker & Grill Gmbh | Device for condensing a drafted fiber strand |
| CN1056892C (en) * | 1993-07-14 | 2000-09-27 | 斯图加特德国纺织及纤维研究所 | Double apron drawing equipment |
| US6161258A (en) * | 1998-08-26 | 2000-12-19 | Fritz Stahlecker | Spinning machine having a plurality of spinning stations |
| US6263656B1 (en) * | 1998-03-31 | 2001-07-24 | Spindelfabrik Suessen, Schurr, Stahlecker & Grill Gmbh | Arrangement and method for condensing a drafted fiber strand and method for making yarn therefrom |
-
2002
- 2002-09-10 JP JP2002264334A patent/JP3826291B2/en not_active Expired - Fee Related
-
2003
- 2003-09-03 KR KR1020030061357A patent/KR100554929B1/en not_active IP Right Cessation
- 2003-09-08 CN CNB031567436A patent/CN100408734C/en not_active Expired - Lifetime
- 2003-09-09 TW TW092124811A patent/TWI250232B/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02221426A (en) * | 1989-02-20 | 1990-09-04 | Murata Mach Ltd | Centralized suction blower apparatus |
| CN1056892C (en) * | 1993-07-14 | 2000-09-27 | 斯图加特德国纺织及纤维研究所 | Double apron drawing equipment |
| US6263656B1 (en) * | 1998-03-31 | 2001-07-24 | Spindelfabrik Suessen, Schurr, Stahlecker & Grill Gmbh | Arrangement and method for condensing a drafted fiber strand and method for making yarn therefrom |
| US6073314A (en) * | 1998-07-14 | 2000-06-13 | Spindelfabrik Suessen, Schurr, Stahlecker & Grill Gmbh | Device for condensing a drafted fiber strand |
| US6161258A (en) * | 1998-08-26 | 2000-12-19 | Fritz Stahlecker | Spinning machine having a plurality of spinning stations |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI250232B (en) | 2006-03-01 |
| JP3826291B2 (en) | 2006-09-27 |
| JP2004100092A (en) | 2004-04-02 |
| TW200416312A (en) | 2004-09-01 |
| KR20040023523A (en) | 2004-03-18 |
| CN1488793A (en) | 2004-04-14 |
| KR100554929B1 (en) | 2006-03-03 |
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