CN1993506A - Device and method for a carder - Google Patents
Device and method for a carder Download PDFInfo
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- CN1993506A CN1993506A CNA2005800263097A CN200580026309A CN1993506A CN 1993506 A CN1993506 A CN 1993506A CN A2005800263097 A CNA2005800263097 A CN A2005800263097A CN 200580026309 A CN200580026309 A CN 200580026309A CN 1993506 A CN1993506 A CN 1993506A
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- air guide
- guide element
- roller
- doffer
- cylinder
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/46—Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers
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- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
The invention relates to a device and a method by means of which the air flow and the fibre flow on the roller (6, 8) can be matched to operating conditions using a controlled positioning of an air guide element (22). The above is achieved by means of said device, whereby said air guide element (22), comprising at least one reference point, lying on a line with a separation from the surface of the roller (6, 8), running essentially along the surface, may be displaced and by means of a corresponding method.
Description
Technical field
The present invention relates to a kind of by means of disposing at least one air guide element in order to regulate the device that air and fibre stream distribute at branchpoint from drum cylinder to the doffer, wherein after installing, air guide element is configured to and at least one high speed roller, just drum cylinder and/or doffer are relative, between air guide element and roller, form a working clearance, and relate to a kind of according to claim 12 method that is used to dispose air guide element as described in the preamble.
Background technology
The present invention relates to adjusting to air on the carding machine and fibre stream.The function of carding machine comprises fibre stream is separated into independent fiber, removes impurity, dust and staple fibre, separates cotton knot, improves mixed with fibers, fiber alignment and strip and is shaped.For this reason, fibrous material is also referred to as usually on the carding machine cylinder and accepts processing mainly at drum cylinder.
The downstream of carding machine cylinder is the doffer, and its function is for picking up independent fiber and compression formation web from the carding machine cylinder.
Transfer from the carding machine cylinder to the doffer is highstrung zone.In case material transfer is to the doffer, proper carding process finishes, and web only can form strip.
At branchpoint from the carding machine cylinder to the doffer, be positioned at the fibrous material that has parallel orientation on the drum cylinder and brought into the required a certain random site of noil once more, and the fiber ends knot.Branchpoint must be regulated so that quality of materials is not weakened by above-mentioned overtreating ground in so a kind of mode.
In addition, therefore the branchpoint between carding machine cylinder and the doffer, because this depends on the percentage of transferring to doffer's fibrous material from the carding machine cylinder and influences or decision fibre migration coefficient with suitable degree decision carding quality.
Fiber attached on the roller card clothing or the trend that fluffs at branchpoint of fiber partly be subjected to airflow influence around the roller.
A kind of drum cylinder possibility of air-flow on every side of checking has been shown in DE101 10 824.The document discloses a cylinder outer surface with transfer of air opening.It provides and discharges extra air and can regulate by pivotable air guide element.Yet this method does not allow the directly sensitizing range of influence between drum cylinder and doffer or doffer's roller.
From known in the state of the art, the distribution of branchpoint place air and fibre stream can influence by air guide element between cylinder and doffer, is called induction element hereinafter equally or leads tongue.Such element is known, for example in EP 984 088 A2, and particularly different installation forms.Distance between induction element and the roller can be selected, but is fixed then.
The induction element influence is by the air-flow of roller.This influences the trend that the fibrous material that is positioned on the roller trends towards being attached to or breaking away from roller conversely.EP 984 088 A2 have shown that the resemblance of air guide element is the glide path of air-flow, and the flow pattern of stratiform is preferred.
The setting of induction element or be adjusted in material and be provided to before the carding machine and carry out.The assembler uses the fiber of how many volumes of material inspection that need processing to be transferred on the doffer, and produces what kind of web quality by the fiber behind the noil.
Whether particularly, the assembler checks whether the noil web is tight, whether has the thin or thick point in hole, exist inhomogeneous and what kind of mao shape web is.
The angle that the assembler leads the distance between tongue and the roller by manual setting and leads tongue is regulated, till he is satisfied to web quality.The regulator of Shi Yonging is described in EP-B-790 338 for this reason.In the final step of being put down in writing, a kind of regulator should be by this way by the sidewall insertion of cylinder, and the outside is dismountable down to it from sidewall.
Yet, should consider that equally air guide element extends beyond the whole working width of carding machine, and must be set on width wide as far as possible.Therefore two regulators must be set in the side-walls of each cylinder.Yet the assembler can not operate two such regulators simultaneously.
In addition, because roller moves with different fibrous materials and different operating parameters, for example roller speed, output etc. expect that air-flow can be controlled selectively or regulate.
The object of the present invention is to provide a kind of device, by disposing an air guide element, the air-flow at roller place and fibre stream can optimally adapt to duty.
Summary of the invention
In first aspect, this purpose realizes by a kind of device according to preamble, wherein air guide element has at least one reference point, it can also be realized by a kind of method according to claim 12 along a rectilinear motion that leaves the surface of roller certain distance and extend along this surface basically.
In second aspect, this purpose realizes that by a kind of adjusting device it is suitable in whole adjusted width-wise air guide element, and it can be driven from a predetermined adjustment position.The machine-man preferably can easily arrive this and adjust the position.
In the third aspect, this purpose realizes that by a guider that is used for air guide element it allows at roller, particularly regulates this element in the circumferencial direction of drum cylinder.
A critical aspects of the present invention is that air guide element can move around roller.
Air guide element according to the present invention is used in the branchpoint place, transfers to next roller at this some place fibrous raw material from a roller, just from the drum cylinder to doffer.From unilateral observation, a roller clockwise direction rotation, another roller counterclockwise rotates, and moves in identical direction at their mutual immediate these two rollers in some place thus.Air guide element is set in such zone, wherein surface of roller mutually motion away from.
For example, induction element might be installed on drum cylinder and the doffer, and an air guide element perhaps only is provided, and it has such shape, is affected by the air-flow around two roller.It also is enough that induction element only is arranged on the roller.
The creativeness of air guide element is provided with and allows air guide element to move the mutual immediate zone of more close two rollers, perhaps makes air guide element move this zone further away from each other.
The fibrous material that should guarantee prescribed volume is transferred to another roller from a roller in transport zone.According to the main combination of a large amount of operating parameters, material trends towards remaining on the drum cylinder more or less, perhaps trends towards leaving drum cylinder and transfers on the doffer.Such examples of parameters is fiber type, fibre length, output, roller speed and weather, particularly is temperature and/or humidity.
Drum cylinder with very high-speed operation forms an air cushion around the card clothing that is coated on the carding machine cylinder, it forms with roller.In the transport zone in first downstream between carding machine cylinder and doffer, this can produce a wake flow in the direction of carding machine cylinder, and it can grip on drum cylinder than the more fibrous material of expectation.
For the low relatively strip weight (for example 2-8ktex, particularly 4-6ktex) and the therefore web of relative thin, the risk that forms the hole is especially huge.
On the other hand, material deposition can be formed on the edge of air guide element, and they are deposited on the carding machine cylinder with irregular interval or on the doffer.In the later case, hole or undesirable thick point also can be formed on the noil web.This takes place when bigger output fluctuation occurring.The example of this fluctuation is:
A) when changing to higher productivity ratio from lower productivity ratio (for example about 40kg/h) (for example＞150kg/h) time, perhaps
B) when accelerating to normal production rate (for example＞80kg/h) during the spinning of time from (for example about 5kg/h) at a slow speed.
Transfer rate and stably running status (not having the web problem) also depend on fibre length.For example, if air guide element and the distance between the closest approach between carding machine cylinder and the doffer are excessive, form a volume in jaw, just in carding machine cylinder and doffer's setting in motion separate areas, staple fibre can uncontrolled seesawing therein.On the other hand, if distance is too small, long fiber can accumulate on the edge of leading tongue that enters in the jaw.
Must determine optimal conditions to every kind of situation.Needn't when changing, each run be reequiped fully in order to make machine, if air guide element can be moved in a given scope and will have superiority, preferably one more close or further from the motion in the closest approach of the jaw between carding machine cylinder and the doffer.
In the situation of drum cylinder, air guide element and the size that the working clearance that forms between the surface of roller of card clothing is set thereon are in the scope of millimeter or 1/10th millimeters.For this reason, the subregion at least of air guide element is maintained at a fixed position with the scheme of prior art.After unclamping installation, air guide element thereby can be by manual adjustments, but be fixed on fixed position on the support frame for carder in addition.Compare with the working width of cylinder in being in meter scope, that yes is possible for the only very little change of position of components.
In preferred implementation of the present invention, whole air guide element can move.The accurate guiding of element remains possible, and for example because straight line is provided, at least one reference point of induction element is directed thereon.
Reference point can be one on whole working widths operation pass the axis of whole air guide element, each place, end of induction element is point of symmetry mutually, or is arranged in and is used in particular for that air guide element is installed or the point in fixing zone.This reference point also can be the center of gravity of induction element.
Normal line can form by corresponding guide rail or the guide groove that keeps induction element therein especially.Therefore induction element also can be directed in a cup-linear element, the normal line according to the present invention part that is guide surface.
This straight line is preferred to be extended along the surface of roller basically, specifically is in circumferencial direction, allows induction element to move around roller.If this straight line extends perpendicular to surface of roller, will be along moving of this straight line only corresponding to the distance that changes between induction element and the surface of roller.
Induction element can only be fixed at the several Chosen Points place on the normal line or all points on normal line are fixed, and therefore can realize unlimited variable adjustment.
According to the position of the corresponding surface of roller of normal line, during along this rectilinear motion, distance between air guide element and the roller and angle can be changed in air guide element.
In a preferred implementation, at least one reference point quilt of induction element is along a straight line guiding coaxial with roller shaft, and induction element forms a working clearance thus.When air guide element was moved, the distance between surface of roller and the air guide element kept constant.
The creativeness location of air guide element can may change in conjunction with well known in the prior art; For example, the distance between air guide element and the roller also can be conditioned and/or air guide element can have a reference point, and an axis extends through this reference point, and air guide element can be around this axis rotation.
In addition, the outer surface of roller can have the transfer of air opening that imports and/or discharge additional air.
The position of air guide element can be fixed between the installation period of machine; Yet in a preferred embodiment, induction element is connected to a control device, can carry out in check motion by means of this control device air guide element.This control device can have a special driver, and a servomotor for example can be provided, and it starts the guided-moving of induction element.The machine-man can determine the position of air guide element by this control device.
For control device, also can make it automatically perform the location of induction element according to a variable parameter setting, this parameter is for example represented outlet of card place or the strip weight on the bar tube, the velocity characteristic of the type feature of expression raw material and/or expression roller.
In a preferred implementation, this device is equipped with at least one optical detection element.
This element can be a camera, by means of this camera, even machine switched off also can be observed the position of leading tongue.For example, by control one or more cameras and on monitor display image, the assembler can carry out in advance the initial adjustment of the air guide element of carrying out when machine starts.For this reason, can not only observe induction element and can observe that to remain on drum cylinder and/or be deposited on the quality of the fibrous material on the doffer and it is presented on the display be favourable.
Position by means of the camera observes induction element has such advantage, and only millimeter-wide distance can be exaggerated and therefore can with the naked eye adjust control more accurately than making, and can help to check unnecessary distance.
The visual angle of camera can concentrate on the slit between drum cylinder and the doffer and/or concentrate on the gap between air guide element and the roller.It also can be tangent to write down the filoplume of fibrous material with roller, perhaps concentrates on from the front on the roller to survey hole or the thick point the fibrous material.The camera images in zone can provide and whether lead the information that the formation material gathers on the tongue between carding machine cylinder and the doffer.
Image by (a plurality of) camera record can be transferred to an evaluation system.For example, this system makes it might monitor the gap and whether is stopped up and stop up what degree by raw material, and perhaps whether the filoplume of web surpasses given reference thickness.If it is too much to depart from given reference value, the alarm signal of can setting out.
Optical element also can be to be used for sensor operation and measuring distance, angle or the fiber quality of additional light source.
The monitoring of optical signalling can be auxiliary as the operation during the machine initial setting up, and perhaps indication needs monitoring parameter to be set or need to carry out new adjustment.
The signal of the web supervising device in cylinder/doffer's branchpoint downstream also can be used for adjusting and/or the monitoring air guide element, for example monitors the camera of the web in the web bridge (fleece bridge).
In another favourable embodiment, this control device is connected at least one sensor that is used for measured value.This measured value can be the direct or indirect measurement that is used for the air guide element instantaneous position.For example, it can range of a signal or angle, but also can quantize the pressure of the air drawing between air guide element and the roller.If air and/or fibre stream, perhaps the air-flow between each roller distributes directly to be measured then and has superiority especially.For this reason, in each flow channel, carry out the measurement of air and/or fibre stream, in other words in the gap between induction element and carding machine cylinder and/or the gap between induction element and doffer's roller.In order to compare, the pressure in the drum cylinder peripheral region can be for example measured before mattress arrives branchpoint.
Measured value can be shown, so the machine-man can reorientate air guide element according to the measured value that shows.Preferred a simple device is installed, it is carried out and simply and accurate manually adjusts, and scale can guarantee same all the time adjustment then and therefore simplify and change the operation of feeding the cotton thread axle.
Yet control device also can be carried out and pre-determine the comparison of set-point and export a signal when deviation, and the machine-man will respond to it.
Set-point can be provided with or be obtained from a database by the assembler, and this database is provided with compilation by in light of the circumstances the most optimized parameter and forms.For example, the relation between the adjustment of strip weight, production capacity and the air guide element of fibrous material type, expectation can be stored in this database.
In a particularly preferred embodiment of the present, control device comprises a control loop, can automatically perform by means of the motion of this control loop induction element.
For example, can input to definite value, on basis, guarantee that by this set-point control device measured value that air guide element produces always drops in the error range around the set-point from the signal of control loop by the operative employee.
In addition, purpose of the present invention realizes that by a kind of method wherein air guide element is directed in a controlled manner around roller.
Method with advantage is used for the initial setting up of air guide element, and wherein the location of air guide element is carried out in the mode of vision control by the image that is installed at least one camera record on the device.
In a preferred embodiment, this method feature is following treatment step.Control device with measured value checking system is provided on this device.This control device at first compares the measured value and the predetermined set-point of record, and has the reorientation of carrying out air guide element under the situation about departing from more greatly between measured value and the set-point.
These treatment steps can repeat with the time interval that can set, perhaps to the monitoring of measured value and in case of necessity the tracking of induction element is constantly carried out.
Description of drawings
The structure that further has superiority can be found out from following accompanying drawing, illustrative embodiments and claim.
Fig. 1 has shown a sketch map with profile;
Fig. 2 has shown the sketch map according to first illustrative embodiments of apparatus of the present invention;
Fig. 3 has shown the sketch map according to second illustrative embodiments of apparatus of the present invention;
Fig. 4 has shown that it has the sensor that illustrates according to the sketch map of the 3rd illustrative embodiments of apparatus of the present invention;
Fig. 5 has shown the sketch map according to the concentrated possibility version of Fig. 2 configuration;
Fig. 6 has shown that it illustrates the scheme with a controllable actuator according to the distortion of Fig. 3 configuration;
Fig. 7 has shown in principle according to the further developing of the embodiment of EP-B-984088 Figure 10, this further development design according to the present invention;
Fig. 7 A has shown the details according to first embodiment of Fig. 7 principle;
Fig. 7 B has shown the details according to second embodiment of Fig. 7 principle;
Fig. 7 C has shown the details according to the 3rd embodiment of Fig. 7 principle;
Fig. 8 schematically illustrates a frame of reference that is used to have the solution of controlled actuators, and
Fig. 9 schematically illustrates an operating point that is used to have the solution of controlled actuators.
The specific embodiment
Fig. 1 has shown an operating flat card, Rieter Card C60 for example, and 1.5 meters of working widths have reserve tank 1.This accompanying drawing has shown the general processing in the device, and device according to the present invention preferably is employed thereon.
The fiber cluster transmission is passed carrier pipe (not shown in the accompanying drawings) and is passed multistage air chamber and handle (not shown equally) and the final reserve tank 1 that arrives carding machine.It will be delivered to carding machine as the fiber cluster of cotton-wool.Cotton feeding roller 3 and hello cotton groove 2 are fed fiber cluster and are given to licker-in 5.The dirt particle of licker-in 5 opening fibers bunch also removal part.Last licker-in is delivered to drum cylinder 6 with transmitting fiber tow, is also referred to as drum cylinder or cylinder usually.Drum cylinder 6 moves further to make fiber parallel together with carding machine cover plate 7.Card flat 7 is by a cover plate cleaning device (schematically show on the right side of the flat card that moves in Fig. 1, but do not have concrete Reference numeral) cleaning.
Zone between drum cylinder 6 and carding machine cover plate 7 is known as " main comb and parallel cotton fibers prior to spinning district ", and is being known as " the second comb and parallel cotton fibers prior to spinning district " about the zone on the opposite side of main comb and parallel cotton fibers prior to spinning district cylinder axis.
When fiber repeatedly passes drum cylinder 6 in some cases, they are peeled off from drum cylinder 6 by doffer 8, also be known as " short-track husband ", feed and to be given to delivery roller 9 and finally in can coiler, to be placed into (not shown in the accompanying drawings) in the bar tube as comb and parallel cotton fibers prior to spinning strip 10.Other cleaning or burble point are set, for example combing element 12 or have the resolution element of yarn clearer cutter 11 on drum cylinder 6.In order to discharge the dirt that removes, extra discharge pipe is set in the downstream of each cleaning point.Be gathered into a central discharge pipe in a side of carding machine for the discharge pipe of each cleaning element in local allocation.An a kind of like this embodiment who discharges system describes in EP 750059 (Rieter).
Preferably be arranged in such zone according to the closed loop (open loop) of air guide element 22 of the present invention control location, wherein fibrous material enters in the zone in the second comb and parallel cotton fibers prior to spinning district or by doffer 8 and receives.
Fig. 2 has shown the sketch map according to the device 221 of first illustrative embodiments of the present invention, and it is set in the zone between drum cylinder 6 and the doffer 8.This device comprises one first air guide element 222, and itself and roller are that drum cylinder 6 forms working clearance S in this case.
Air guide element 222 has at least one reference point, illustrates with Reference numeral 223 in the accompanying drawings, and it can move on straight line 224, and this straight line 224 extends around the part surface 226 of drum cylinder 6 with distance 225.This straight line 224 be preferably placed at a coaxial circle of drum cylinder 6 in.In this case, the distance between the surface 226 of reference point 223 and drum cylinder 6 keeps constant.
In the situation of air guide element 222 motions according to the present invention, air guide element 222 and closest approach 230, just the distance between the minimum range between drum cylinder 6 and the doffer 227 changes.
The location of second air guide element 228 can be carried out similarly, and this second air guide element 228 and a roller are that doffer 8 forms the working clearance in this case.
Shown in Fig. 3 that is installed in EP 0 984 088 A2-11 of another kind of form.Air guide element is arranged on the usually said lid segment herein, and its formation is arranged on the part of the cylinder sidewall on the carding machine both sides.In preferred implementation (according to Fig. 7-10), air guide element is called in this case and leads tongue, is installed on the arm on every side.
For the location of the air guide element according to the present invention, normal line can be by leading the form decision of the arm that tongue can seesaw thereon, perhaps fixedly leads the form that tongue carries out the arm of relative cylinder sidewall motion and determine by having.
Fig. 3 has shown the sketch map according to the device 321 of second illustrative embodiments of the present invention.In this embodiment, an air guide element 322 is only arranged, it has with drum cylinder 6 and forms the first surface 329 of working clearance S and form the second surface 330 of another working clearance S ' with doffer 8.
Fig. 4 has shown another illustrative embodiments, wherein according to device 421 of the present invention an air guide element 422 is only arranged once more, and they can be along two rectilinear motions with respect to drum cylinder 6 and doffer 8.In this accompanying drawing, every in these two straight lines are all represented by the four-headed arrow on the element 422.
In addition, Fig. 4 has briefly shown the position that sensor can be provided with.Fibre stream before the first sensor 432 monitoring fibers arrival doffers 8 on the drum cylinder 6.
Can provide other sensor 433,434 to pass through the flow rate of working clearance S and S ' with monitoring.This monitoring also can be carried out by optics, in other words by camera or optical pickocff, perhaps by means of air pressure that obtains or stream measured value.
Can use another sensor 435 to monitor whether to have fibrous material to be deposited on the edge 436 of air guide element 422 or deposit to what degree.Staple fibre can be bonded at porpoise in there and the gap 437 between carding machine cylinder 6 and doffer 8, and perhaps long fiber gathers, and the one end at first is attached on the carding machine cylinder 6.
The other orientation of sensor is possible.For example, camera can be orientated with surface of roller tangent so that observe fiber filoplume or direct pointing working clearance S or S ', and perhaps camera can be orientated vertical surface of roller and the image of the fibrous material on each roller is provided.The suitable monitoring system that is used for having the carding machine inside of mechanical hull is for example described at DE-A-10259475.In order to ensure enough picture quality, it may be necessary that extra light source is installed.
Fig. 5 has shown the copy of Fig. 2, has made very little change.According to first change, the air guide element 222A on the cylinder 6 has one " head " at free end.This head is substantially the same with the head that is provided with on the air guide element according to EP-A-432 430 (perhaps EP-B-790 338) Fig. 1.The design of this head helps defibre/air flow fully, and it flows along with cylinder 6 on the one hand, follows doffer 8 on the other hand.The position of second air guide element 228 of distributing to doffer 8 is compared with Fig. 2 in Fig. 5 and is remained unchanged, because this only is a sketch map.Yet in fact the mutual location of these two elements must optimization.This passes through regulator according to the present invention by sizable simplification.
According to shown in broken lines second changing among Fig. 5, reference point 223 is mobile by radially " inwardly " about cylinder 6.This has produced a new line of motion 224A.This becomes possibility by a cantilever (boom) 227 is provided for element 222A, and described cantilever 227 extends radially inwardly at a point away from described head that is positioned at the machine works width outside from the prolongation main body of this element.Reference point 223A is arranged in this cantilever 227 now.Therefore the radial distance that reference point is left the cylinder pivot axis can be selected littler or bigger than cylinder radius, perhaps equals this radius.Line of motion 224A also needs not to be circular or is chosen as with the pivotal axis of cylinder concentric.The geometric suitable selection of this straight line allows the radiai adjustment of executive component 222A, carries out this element simultaneously and regulates in the cylinder circumferencial direction.
Fig. 6 with 7 each all schematically and to compare bigger ratio with other accompanying drawing shown a version that is fit to the common adjusting device of using of the present invention.Solution according to Fig. 6 comprises a controlled actuator.In Fig. 6, cylinder is by Reference numeral 6 expressions, and the doffer is by Reference numeral 8 expressions, and the closest approach between these rollers is by Reference numeral 230 expressions.Air guide element is represented by Reference numeral 322A (comparing with Fig. 3), and is consisted essentially of a profile that extends across the whole working width of carding machine (1-1.5 rice).This profile is connected to laterally-element 352 by means of pivotal axis 331A (comparing with Fig. 3) by bar 350 (only showing a bar).Laterally-element 352 has the opening that is used for being fixed to by support 356 guide rod 354 (only showing a bar 354) of frame 355.A support also has a motor 357, and it can rotational lead screw 358, leading screw 358 be arranged in laterally-nut or the screw 359 of element 352 interact.
When leading screw 358 rotated by electrode 357, horizontal-element 352 moved along bar 354, changes " nose " 360 of profile 322A and the distance between the closest approach 230.Yet, profile 322A also can be around pivotal axis 331A rotation so that regulate cylinder 6 and profile 322A thus towards the distance between the surface of cylinder.For this purpose, horizontal-element for example has a disk 362 that is connected to axle 364.Axle 364 be by laterally-axle of the electrode 366 that element 352 supports.Profile 322A is positioned on the crooked outer surface of the disk that is eccentrically coupled to the motor pivot rotating shaft.Distance between the outer surface of axle 364 rotation thereby change laterally-element 352 and profile 322A contact disk 362.In order to carry out controlled motion, actuator for example can comprise stepper motor or have encoder or the motor of decomposer.
Inevitable complicated and expensive according to the embodiment of Fig. 6, and therefore be not suitable for low-cost design.Solution according to Fig. 7 is simply many.This is further developing according to Figure 10 embodiment among the EP-B-984 088 basically.Air guide element 222B (with Fig. 2 relatively)-in EP-B-790 338, be called as " leading tongue "-have continuous casting profile.This profile is below proper device-be described in more detail below-be connected to arm 112.The outer surface of Bearded-needle knitted cloth (not shown) is illustrated by the broken lines and is represented by Reference numeral 1A.It is free that gap E keeps between outer surface 1A and element 222B and its facing surfaces.
Arm 112 forms a common alleged lid segment 125, and it is installed in the frame by bolt 126.As detailed explanation the in EP-B-984 088, because preload, arm 112 is attempted outwards motion in the direction of outer surface 1A, and is subjected to a restriction by the stops of the end formation of adjustment screw 132 thus, and determines the width of gap E thus effectively.The machine-man can arrive this screw 132 from the outside of machine sidewall 121.Therefore according to the design of Fig. 7, it corresponds essentially to the solution according to EP-B-984 088 Figure 10, and in one embodiment of back, air guide element is connected to supporting arm thus.Yet according to the present invention, element 112 should be regulated in the direction away from the closest approach between carding machine cylinder and the doffer (not shown in Fig. 7, with reference to the point 230 of figure 2).
In order to allow top last-mentioned adjusting, profile 222B can be provided with a support end head-represented a termination portion by dotted line 223 in Fig. 7 with each lid segment at outside synergistic each place, end of roller working width.Each termination portion 223 also has a bar 130, and it is by lining 131 guiding that are fixed on the arm 112.At its free end, bar 130 supports a disk 123, and spring 120 acts between lining 131 and disk 123 in so a kind of mode: air guide element is pushed back in the position away from closest approach 230 (Fig. 2).Yet this motion away from the closest approach is subjected to the restriction that can adjust stops, and described stops is formed by cam 124 in this embodiment.Cam 124 is fixed to axle 125, and it supports by this way: allow rotation in cylinder sidewall (not shown in Fig. 7).Cam 124 has a cylindrical outer surface (not having Reference numeral), and it is with respect to pivotal axis 125 eccentric settings.By rotating shaft 125, so might constantly compress springs 120 by mobile disk 123, and make air guide element 222B motion in the direction in above-mentioned closest approach 230, perhaps therefore retracting spring 120 also allows element 222B to move away from the closest approach.
Each has all shown possible embodiment according to Fig. 7 principle sketch map among Fig. 7 A, B and the C.In these detailed sketches, by Reference numeral 125 expressions, arm is by Reference numeral 112 expressions in all situations for lid segment, and air guide element is represented by Reference numeral 222B.Solution has only shown a side of machine in all situations, be applied on the opposite side of machine but same solution principle can be used as mirror image.
In the solution according to Fig. 7, above-mentioned support end head is designed to a slide block 150, operation in its groove-shape guide rail 152 in arm 112 sides.The concentric operation of guide rail and outer surface 1A (not shown in Fig. 7 A, as to compare) with Fig. 7, so element 222B keeps its end position with respect to outer surface 1A, it is conditioned (Fig. 2) with respect to closest approach 230 simultaneously.Lining 131A is designed to a slide bushing, must provide two pivots 154,156 to carry out necessary angular adjustment to allow bar 130 with respect to induction element 222B thus in addition.
In Fig. 7 B, the solution of booting problem remains unchanged, and uses same Reference numeral 150,152 to represent slide block and guide groove respectively.Yet in this version, lining 131B has the function of guide rod 130; It is herein only as compression spring 120 (Fig. 7) is installed.Opening among the lining 131B must allow the enough gaps with respect to bar 130, to allow to change the angle position (being illustrated by the broken lines) of bar 130 during the adjustment movement of element 222B.
In the solution according to Fig. 7 C, bar 130 is guided by two slide bushing 131C, thereby only allow bar and element 222B to carry out rectilinear motion, as among Fig. 7 C by shown in the dotted line.Therefore the adjusting of element 222B in circumferencial direction follow the adjusting in radial direction in this case.In order to simplify sketch, at element between the moving period in the direction of closest approach 230 (Fig. 2), suppose the radiai adjustment that radial distance increases, the conditioning period in the direction of closest approach thus, the design of the geometric shape by slide bushing 131C can provide reducing of radial distance.
Axle 125 can be provided for two cams 124, and can extend through the cylinder sidewall on the carding machine one or both sides, so the operative employee can arrive axle 125.In the outside of sidewall, axle can have a hand-crank or a device that is used for hand-crank, so air guide element 222B can manually carry out near the precalculated position the carding machine along the adjusting of arm 112.
This allows air guide element 222B adjusting in the drum cylinder circumferencial direction, and the adjustment of air guide element in radial direction still must at first be carried out on opposite side then in a side of carding machine-or carry out in both sides simultaneously thus.This is conspicuous in the technical staff concerning ability, and the adjusting in the radial direction also can be carried out by means of continuous axle, and this must be arranged on cylinder 6 belows and be connected to motion stops on the arm 112 by means of suitable driving element.
Certainly, axle 125 (also) can be connected to a controlled motor, and therefore adjusting can be carried out in a controlled manner and needn't directly manually get involved.Suitable actuator for this purpose for example schematically shows in EP-A-627 508 (Figure 12 and 13), and has described a kind of further developing of piezoelectricity decoder that have in Fig. 2 of EP-B-787 841.The common adjustment axle that is used for radially adjusting also can pass through motor-driven, perhaps can all provide a controlled motor for each of two stops on the arm 112.
According to the embodiment of Fig. 6 and 7 only as two kinds of actuators may forms embodiment and should not regard any type of restriction as.A kind of possibility, Fig. 6 is to carry out by means of a controlled actuator all motions of air guide element, described controlled actuators for example can be controlled from the control panel of machine-with following Fig. 9 comparison.Second kind of possibility, Fig. 7 is to carry out motion by means of simple relatively guiding mechanism, and described guiding mechanism can preferably be adjusted the position from one and drive, and just, needn't actuation element be set in the both sides of machine.The a large amount of replaceable embodiment that satisfies these two kinds of possibility demands is known.For example DE-A-3 702 588 has shown the controlled actuators that is used for carding machine operation element rectilinear motion (DE open text Fig. 2,5 and 6), and the controlled actuators that is used for that this element is controlled and rotatablely moves (Fig. 3 and 4).Controlled rotatablely moving also is known and description in DE-A-3 825 419 and DE-A-10 231829.Same actuator can use with the adjusting of air guide element in principle.
If air guide element need be provided with continuously by operating personnel, in Fig. 7, not definitely to be necessary for controller to limit reference point.Preset distance between for example adjacent operation element can be determined and the monitoring set-point by operating personnel.The effect of new settings also can directly be observed on the web product, and if the result who regulates for the first time make us dissatisfied and can further regulate as required.Yet, at least for automatic operation, must determine reference point, therefore can predetermined start position since one by the initialized adjusting of controller.Possible reference point is shown in Figure 8, and the diagram accompanying drawing is only as the embodiment of principle and never as concrete embodiment thus.
By Reference numeral 6 expressions, curve 6A represents the outer surface of card clothing to cylinder equally in Fig. 8.The direction of motion of card clothing is represented by arrow.Air guide element illustrates so that simplified illustration by 822 expressions and with the form of very big simplification.Element 822 has " inner surface " 823, and it should leave given distance of outer surface 6A of Bearded-needle knitted cloth at least at a some place.In addition, element 822 has a nose 824A, and it should keep leaving the given distance in closest approach 230 (comparing with Fig. 2) between cylinder 6 and the doffer's (not shown in Fig. 8).In Fig. 8, supposed that inner surface 823 keeps leaving the given distance of card clothing at two some places, just at a 824B (distance b) with at a 824C place (distance c).Distance b for example is 1-5mm, and distance c is 0.5-3mm.
For the reference value of determining above-mentioned distance is provided with three stops 830,831 and 832.When element 822 contacted all stops, above-mentioned all had predetermined value apart from each.Actuator can be from these default values when carrying out controlled motion.From the position of its contact stops 830, element 822 can move in the predetermined adjustment scope t in cylinder 6 circumferencial directions.This adjustable range for example covers the interval t of 5-30mm.The present invention is not limited to the system that reference point forms that is used for that illustrates.For example can provide measurement mechanism, to measure the distance between the corresponding reference point on set point on the air guide element and the frame, for example (elbow) on the lid segment.When using one with actuator independently during encoder, if actuator is installed in the precalculated position in the machine, not necessarily in the reference in the actuator outside.
Fig. 9 has shown that the details of Fig. 1 is with the connection between schematic illustrations machine and the controller.The element of explaining with Fig. 1 no longer repeats at this.Yet, a console 900 that is used to illustrate machine is provided, it has computer 902, monitor 904 and keyboard 906.Computer 902 receives from the signal of sensor element in the machine and for the actuator on the machine signal is provided.The actuator 908 that only is useful on air guide element 922 is important in conjunction with the present invention.
Schematically shown three sensor elements 910,911 and 912, these sensor elements are only as the embodiment of a large amount of possibilities thus.Element 910 is sensors that are used to measure the important distance between air guide element and the reference point, for example describes with Fig. 8.The measuring system that is used to measure such relative small distance is known from DE-A-4 235 610 and EP-A-1 158 078 for example.
Element 911 is cameras, for example according to DE-A-10 259 475, is used for monitoring the state in gap, air guide element upstream.The image that is produced by camera 911 may be displayed on the monitor 904.
This element is for example from DE-A-4 115 968, and DE-A-3 928 279, is known among EP-A-738 792 and the EP-A-1 068 380.
The operative employee can import a set-point that is used for distance between air guide element and the given reference point by keyboard now.This set-point or setting value are set as basic at least.Computer provides a signal to actuator 908 then, so air guide element moves to the home position of qualification, thus from the signal of measuring transducer 910 by computer evaluation.Yet, might make sensor 912 survey the fault in the webs now and its signal is delivered to computer 902.Computer evaluation is from the signal of sensor 912, and it can be repaired by the setting that changes air guide element under the condition of fault, if provide a signal to actuator 908 then with the necessary adjusting of initialization, consider signal simultaneously from sensor 910.This also is possible, and the image of operative employee on being presented at monitor 904 found the problem the gap of being monitored by camera 911.Because the new adjustment of air guide element also can be carried out at the run duration of carding machine, might import a new set-point that is used for the air guide element location by keyboard, and might in the gap of being monitored and at the product place, observe the effect that changes.
Solution according to the actuator of Fig. 6 and 7 is applicable in whole working width adjusted air guide element.They also can be from predetermined " adjustment position " control and/or operation.In the situation according to the solution of Fig. 6, this adjusts position for example on the next door of console, can be the there operative employee by means of executive component, and for example keyboard or monitor send the control command that is used for actuator.This adjusts the position for the easier undoubtedly arrival of machine-man.But equally also in the situation according to the solution of Fig. 7, even at the carding machine run duration, the operative employee now can be from an adjustment position adjustments air guide element (Fig. 7) near axle 125 at least one ends.
It is conspicuous can providing a suitable locking device concerning ability in the technical staff, and air guide element being remained on reliably a selected operating position, but therefore it also can be released.In the situation of manual operation adjusting device (for example according to Fig. 7), locking device also can manual operation, and for example with the form of ratchet, it prevents the cam rotation.In the situation of controlled actuators (for example according to Fig. 6), locking device also can be controlled.
Claims (14)
1. carding machine, have one and be used for influencing the stream induction element of flow regime of transferring to doffer's zone at fiber from cylinder, it is characterized in that a kind of adjusting device, it is suitable at whole working width adjusted induction element, and it can be operated from predetermined adjustment position.
2. carding machine as claimed in claim 1 is characterized in that: adjusting device comprises controlled actuator, and it is controlled that this actuator can be adjusted the position from this.
3. carding machine, have one and be used for influencing the stream induction element of flow regime of transferring to doffer's zone at fiber from cylinder, it is characterized in that a kind of guider that is used for induction element, its permission, is particularly regulated in the circumferencial direction of drum cylinder at roller this element.
4. device, be used for by locating at least one air guide element, adjust the distribution of air and fibre stream in transfer from drum cylinder to the doffer, wherein this air guide element is set to and at least one roller after installation, just drum cylinder and/or doffer are relative, so that between air guide element and roller, form a working clearance, it is characterized in that: air guide element (22,222,228,322) has at least one reference point (223), it can leave roller (6 along one, 8) surface (226) certain distance (225) and line (224, the 324) motion of (226) extension substantially surfacewise.
5. device as claimed in claim 4 is characterized in that: described line (224,324) forms the part circle, and this circle central point is positioned on the axis of roller (6,8).
6. as claim 4 or 5 described devices, it is characterized in that: air guide element (22,222,228,322,422) and roller (6,8) distance between is adjustable, and/or air guide element (22,222,228,322,422) has the reference point that axle (331) extends through, air guide element (22,222,228,322,422) can rotate around this axle (331).
7. as at least one described device among the claim 4-6, it is characterized in that: air guide element (22,222,228,322,422) be connected to control device, by this control device air guide element (22,222,228,322,422) motion can be controlled.
8. as at least one described device among the claim 4-7, it is characterized in that: this device comprises at least one optical detection element (432).
9. as at least one described device among the claim 4-8, it is characterized in that: this device comprises at least one sensor, particularly flowmeter.
10. as described device in the claim 7,8 or 9, it is characterized in that: this control device is carried out the comparison with set-point.
11. as at least one described device among the claim 7-10, it is characterized in that: this control device comprises a control loop, by means of this control loop, the motion of air guide element (22,222,228,322,422) can automatically perform.
12. a method is used for by locating at least one air guide element, in the distribution of adjustment air of the branchpoint from drum cylinder to the doffer and fibre stream, thus
-this air guide element is set to and at least one high speed roller after installation, and just drum cylinder and/or doffer are relative,
-working clearance of formation between air guide element and roller, it is characterized in that: air guide element (22,222,228,322) has at least one reference point (223), this reference point can be along (226) line (224, a 324) motion of extending and can being directed substantially surfacewise.
13. the method described in claim 12 is characterized in that: can carry out optics control by the optical detection element that is positioned on this device.
14. the method described in claim 12 or 13 is characterized in that: a control device and measured value detection system are provided, its
-with measured value with can be predetermined set-point relatively;
-execution relocating under measured value and set-point situation devious to air guide element (22,222,228,322).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1299/04 | 2004-08-03 | ||
| CH12992004 | 2004-08-03 | ||
| PCT/CH2005/000454 WO2006012768A1 (en) | 2004-08-03 | 2005-07-29 | Device and method for a carder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1993506A true CN1993506A (en) | 2007-07-04 |
| CN1993506B CN1993506B (en) | 2010-09-08 |
Family
ID=34980101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800263097A Active CN1993506B (en) | 2004-08-03 | 2005-07-29 | Device and method for a carder |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1781847B1 (en) |
| CN (1) | CN1993506B (en) |
| BR (1) | BRPI0512787A (en) |
| DE (1) | DE502005009148D1 (en) |
| WO (1) | WO2006012768A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114651094A (en) * | 2019-10-23 | 2022-06-21 | 特吕茨施勒集团欧洲公司 | Spinning preparation machine |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6936675B2 (en) | 2001-07-19 | 2005-08-30 | Univation Technologies, Llc | High tear films from hafnocene catalyzed polyethylenes |
| CH703250A1 (en) * | 2010-06-02 | 2011-12-15 | Rieter Ag Maschf | Supporting a flexible bend in a revolving flat. |
| DE102011110681A1 (en) * | 2011-08-19 | 2013-02-21 | Trützschler GmbH & Co Kommanditgesellschaft | Device on a carding machine for cotton, man-made fibers u. Like., Which is arranged between a pickup and two nip rolls |
| DE102011110671A1 (en) * | 2011-08-19 | 2013-03-28 | Trützschler GmbH & Co Kommanditgesellschaft | Device on a carding machine for cotton, man-made fibers u. Like., Which is arranged between a pickup and two nip rolls |
| CN103741276B (en) * | 2014-01-26 | 2017-02-08 | 河北宇腾羊绒制品有限公司 | Cashmere carding device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2987779A (en) * | 1957-02-05 | 1961-06-13 | Kawashima Kanichi | Doffing process and apparatus for the card by action of air |
| EP0403989B1 (en) * | 1989-06-21 | 1993-11-24 | Maschinenfabrik Rieter Ag | Card clothing |
| EP0432430A1 (en) * | 1989-12-11 | 1991-06-19 | Maschinenfabrik Rieter Ag | Apparatus to support the web take-over from the carding cylinder to the doffer cylinder |
| FR2734001B1 (en) * | 1995-05-12 | 1997-06-27 | Staubli Sa Ets | ROTARY TYPE WEAPON MECHANICS FOR CROWD FORMATION ON WEAVING MACHINES |
| EP0984088B1 (en) * | 1996-02-15 | 2002-09-18 | Maschinenfabrik Rieter Ag | Adjusting apparatus on a carding machine |
-
2005
- 2005-07-29 BR BRPI0512787-4A patent/BRPI0512787A/en not_active IP Right Cessation
- 2005-07-29 DE DE502005009148T patent/DE502005009148D1/en active Active
- 2005-07-29 WO PCT/CH2005/000454 patent/WO2006012768A1/en active Application Filing
- 2005-07-29 EP EP05762940A patent/EP1781847B1/en not_active Not-in-force
- 2005-07-29 CN CN2005800263097A patent/CN1993506B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114651094A (en) * | 2019-10-23 | 2022-06-21 | 特吕茨施勒集团欧洲公司 | Spinning preparation machine |
| CN114651094B (en) * | 2019-10-23 | 2024-04-12 | 特吕茨施勒集团欧洲公司 | Spinning preparation machine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502005009148D1 (en) | 2010-04-15 |
| EP1781847A1 (en) | 2007-05-09 |
| WO2006012768A1 (en) | 2006-02-09 |
| CN1993506B (en) | 2010-09-08 |
| EP1781847B1 (en) | 2010-03-03 |
| BRPI0512787A (en) | 2008-04-08 |
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