CN101942714B - Apparatus on a flat card or roller card for setting the working spacing between the cylinder and one neighbouring roller - Google Patents
Apparatus on a flat card or roller card for setting the working spacing between the cylinder and one neighbouring roller Download PDFInfo
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- CN101942714B CN101942714B CN201010224313.7A CN201010224313A CN101942714B CN 101942714 B CN101942714 B CN 101942714B CN 201010224313 A CN201010224313 A CN 201010224313A CN 101942714 B CN101942714 B CN 101942714B
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Classifications
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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
- D01G15/28—Supporting arrangements for carding elements; Arrangements for adjusting relative positions of carding elements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
Apparatus on a flat card or roller card for setting the working spacing between a clothed cylinder and at least one clothed neighbouring roller, for example doffer and/or licker-in, the cylinder and at least one roller cooperates with each other via the small spacing (working spacing) between their cylindrical surfaces at a fiber transition point, can, as a result of size change due to heat expansion and/or centrifugal force, reset the working spacing to a predetermined value and provides an adjustment device used for adjacent rollers, the adjustment device is operable via supply of thermal energy. In order that, during the change of roller size, a predetermined spacing between adjacent rollers is set in a simple mode and in a shorter interval, a device used for actively supplying and/or dissipating thermal energy is provides, and the device used for actively supplying and/or dissipating thermal energy is connected with the adjustment device, wherein, during the change of roller size, the working space between the cylinder and at least one roller can be set or reset.
Description
Technical field
The present invention relates to the equipment on a kind of flat caiding machine capable or roller and clearer card, described equipment is for setting the workplace distance between the cylinder with pin cloth and at least one the adjacent roller with pin cloth, at least one adjacent roller described is such as doffer and/or licker-in, the roller that described cylinder is adjacent with at least one is sentenced Small Distance (workplace distance) between their cylindrical surface and is cooperatively interacted at fibre migration point, wherein as the result of the change in size caused by thermal expansion and/or centrifugal force, can by described workplace apart from resetting to the value preset, be provided for the adjusting device of adjacent roller, described adjusting device can be operated by heat supply.
Background technology
In carding process, the unit interval fibrous material quantity of process rolls up, and this needs operation element to have higher speed or higher installation performance (installed performance).The increase of fibrous material output (operating rate), even if when working surface area remains unchanged, also can produce more heat because machine operation produces.But, simultaneously, technologic combing result (strip uniformity, cleannes, cotton knot reduce etc.) also continues to improve, the active surface of this greater number needing combing to coordinate, and need these active surfaces (such as fixing carding machine and/or rotation carded wool top (card top)) to have narrower setting relative to cylinder (cylinder).The ratio of chemical fibre to be processed constantly increases, and compared with cotton fiber, when contacting with the active surface (pin cloth) of machine, the trade union that adds of chemical fibre is producing more heat because rub.Now, the operation element of high-performance carding machine, whole closed at all sidepieces, to meet high safety standard, thus prevent particle to be dispersed in the environment of spinning workshop, and minimize the maintenance needs of machine.The material guiding surface of bottom drain (grid) or even unlimited permission exchange of air has been also bygone to a great extent.This situation significantly increases the heat of machine entered, and is significantly reduced by the heat that convection current is discharged.More heats of consequent high-performance carding machine cause larger thermoelastic deformation, this is because the uneven distribution in temperature field causes, and affects the setting spacing of active surface: cylinder and carded wool top, doffer, fixing cover plate and the spacing separating position become less.In extreme circumstances, the setting spacing between active surface may be consumed completely by thermal expansion, the parts relative to each other moved is collided, thus causes sizable infringement to high-performance carding machine.Therefore, when the temperature difference between parts is too large, the heat particularly produced in the workspace of carding machine may produce thermal expansion in various degree.
Combing interval on carding machine and roller spacing especially important.The quality of carding quality depends on the accurate setting at those intervals (roller gauge).Under the effect of heat, roller expands and interval changes.Except the expansion caused by centrifugal force of roller (it changes described interval significantly), high yield strengthens the synthetic fiber heat intensive roller extraly of combing (carding-intensive).The size of roller changes due to heat.In order to obtain best carding quality, in the course of the work, it is necessary that roller spacing keeps constant." constant " means that the change of spacing preferably should be less than 0.01mm in this article.
In known equipment (DE2948825), in the carding machine with the roller that at least two are matched, change the spacing between two rollers, with heat compensation.This changes is realize by means of extra mechanical displacement element, and described mechanical displacement element is configured so that the spacing between the axis that these mechanical displacement elements can change roller according to major temperature (prevailing temperature).For this reason, the fixed frame of carding machine is in the form with the longitudinal framework of rod (illustrate only one of them) of four support members (illustrate only wherein two) and two levels.These two longitudinally rod and support member are linked together by cross bar (not shown), the stable of two rotating rollers (cylinder and doffer) is used for and the supporting frame of rigidity to be formed, wherein said two rotating rollers are equipped with sharp-pointed (pointed) pin cloth, and operate have the condition of less spacing a between described two rotating rollers under.Cylinder is arranged on fixing position, so that two bearings (illustrate only one of them) that can be screwed to tightly on described longitudinal rod by means of screw rotate around its axis, and described cylinder is driven and rotates.Doffer installs in the same way, can rotate around its axis by means of two bearings (illustrate only one of them) on longitudinal rod of framework.But, bearing for doffer is not screwed to described longitudinal rod tightly, but have ring screw (collar screw) to guide for each bearing of doffer by two, they can be paralleled to the axis carry out being greater than a small amount of displacement of 1-2mm.For this reason, arrange the slit opening being used for projection bolt within the bearing, these slit openings allow accurately transverse guidance bearing, guarantee bearing displacement capacity in a longitudinal direction simultaneously.By the translation of bearing in slit opening, the spacing between the cylindrical surface that can change two rollers.For this reason, machine frame at it, each longitudinal rod is provided with the fixing retainer for positioner (displacement component), and described positioner is plugged between fixing retainer and the bearing of doffer.This positioner can determine the position of the corresponding axis of positioner relative to the position of the fixing bearing for cylinder.For the displacement of support component, the thermal expansion of Metallic rod can be utilized.For this reason, Metallic rod is fastened on regularly to be supported in unit, such as, be threaded connection.Heat supply needed for the thermal expansion of Metallic rod is produced by the resistor be directly wrapped on bar, and wherein the power supply of this resistor is regulated by control device.The shortcoming of this equipment is its structural complexity.Another shortcoming is, the Transverse Heated of Metallic rod is required, is in stationary temperature (and expanding accordingly) to keep bar.Heat is specifically designed to enlarge bolt interval.In addition, if machine should stop suddenly (such as due to power failure) and heating element heater lost efficacy time, spacing then between cylinder and roller around will diminish, this is because regulon can cool than cylinder quickly due to its very little quality.This may cause coming in contact between the roller of cylinder and surrounding and operation element.
Summary of the invention
Therefore, the present invention is based on the problem of the equipment described when beginning is provided, wherein this equipment can avoid above-mentioned shortcoming, has simple especially structure, and can set the predetermined spacing between adjacent roller when roller size changes within the shorter time interval.
This problem is by solving according to the equipment on a kind of flat caiding machine capable of the present invention or roller and clearer card, described equipment is for setting the workplace distance between the cylinder of band pin cloth and at least one roller of adjacent band pin cloth, the less workplace distance that described cylinder and at least one roller are sentenced between their cylindrical surface at fibre migration point cooperatively interacts, and as the result of the change in size produced by thermal expansion and/or centrifugal force, can by described workplace apart from resetting to predetermined value, be provided for the adjusting device of adjacent roller, described adjusting device can be operated by heat supply, it is characterized in that, be provided for supplying on one's own initiative and/or dissipate the device of heat energy, described for supply on one's own initiative and/or the device of the heat energy that dissipates is connected with described adjusting device, wherein when the size of described roller changes, the workplace distance that can set or reset between described cylinder and at least one adjacent roller, wherein, described for supply on one's own initiative and/or the device of the heat energy that dissipates is Peltier element.
As the result of the measure that the present invention takes, in a straightforward manner, the roller constant gap be subject in the carding machine of the impact of heat or centrifugal force can be kept.
According to the present invention, be provided for the adjusting device of cylinder and the spacing such as between doffer's roller, to keep described constant gap when operating condition changes, wherein said adjusting device is by supplying on one's own initiative or the heat energy and operating of dissipating.In order to produce the setting movement (can on one's own initiative closed loop or opened loop control) of expectation, use the element being used for coercively fed and dissipation heat energy, described element can cool and can heat (such as Peltier element).This allows very flexibly and the closed loop of responsive state change rapidly or opened loop control.Also can pass through cools body, fan or analog and strengthen cooling effect.
Preferably, the desired value of displacement stroke is imported into closed loop or opened loop control parts.By means of closed-loop control initiatively, the spacing change produced by centrifugal force can be compensated.Passive regulating system by only could the change of response interval after certain time-delay, this is because the spacing change that centrifugal force produces is faster than the change produced by heat supply.
Preferably, at machine startup and stop phase, the setting element of adjusting device stands its maximum expansion, and doffer moves near cylinder.Raise along with rotating speed and heat increases, the temperature of adjusting device reduces again, so that the increase compensated due to centrifugal force and roller temperature and the spacing that causes changes.Therefore, if machine is presetting by this way in advance, namely spacing is at room temperature desirable for warm machine, then once machine become warm, carry out heating and cooling with regard to no longer needing or seldom needing.Thus, any adjustment only needing any fluctuation of compensate for ambient temperature or carry out based on the change of Material selec-tion.Therefore, the present invention operates in energy-conservation mode in energy ezpenditure.
Another advantage of the present invention is the improvement of security aspect.Such as; if machine is shut down suddenly (such as due to power failure), and heating element heater quits work, then the spacing between cylinder and roller around can become less; this is that regulon can cool down quickly than cylinder because the quality of regulon is quite little.This may cause producing contact between the roller of cylinder and surrounding and operation element.In the present invention, in emergency circumstances this, make spacing larger.
Except other aspects, the present invention also has the following advantages:
Except being heated, adjusting device also can be cooled, therefore, it is possible to carry out closed loop and opened loop control more flexibly, more quickly;
The opposite direction of the action of regulating element reduces energy ezpenditure, and provides protection when machine is shut down suddenly, in case stop loss bad machine.
Use equipment of the present invention (actor (actor)), automatically can set the spacing between roller.Utilize this setting property, the interval variation that can be caused due to the centrifugal force of cylinder and the thermal expansion of roller by closed loop controlling structure compensation.Can active heated and active cooling be carried out, namely optionally realize the specified temp of adjusting device at short notice.Especially, the present invention carries out except active heated except allowing to adjusting device, also allows to carry out active cooling (dissipation of heat or withdrawal heat energy) to adjusting device.The described device that can realize both heating and cooling allows very flexibly and the closed loop of responsive state change fast or opened loop control.
Accompanying drawing explanation
Below in conjunction with embodiment shown in the drawings, more detailed description is done to the present invention.
Fig. 1 is the schematic side elevation of the carding machine had according to equipment of the present invention;
Fig. 2 shows cylinder, the doffer that can install with displacement and the side view according to equipment of the present invention;
Fig. 2 a shows the local of the setting device according to Fig. 2;
Fig. 3 shows the metal tube as setting element, and it has the Peltier element be connected with cools body;
Fig. 4 shows the structure of Peltier element in a schematic way;
Fig. 5 is the hydraulic cylinder that can control as setting device;
Fig. 6 is the block diagram of not busy ring control device, and it has according to the equipment for setting the spacing between two rollers of the present invention;
Fig. 7 is the side view of the cylinder with the doffer installed pivotally, shows setting element first structure (linkage);
Fig. 8 is the side view of the cylinder with the doffer installed pivotally, shows another structure (linkage) of setting element;
Fig. 9 is the side view of the cylinder with two doffers installed pivotally, and each doffer has the structure of setting element;
Figure 10 is the side view of the cylinder with the licker-in installed pivotally, and this licker-in has the structure of setting element;
The side view of the local of doffer that Figure 11 is cylinder and installs pivotally, illustrated therein is the hydraulic cylinder that can control as setting element and safety valve; With
Figure 12 is the side view of cylinder, shows the structure of licker-in, doffer's unit and setting element relative to the frame wall supporting cylinder.
Detailed description of the invention
Figure 1 show a carding machine, such as special Shandong Brigit Fischer (Schmidt) (Triitzschler) flat caiding machine capable TC07, described carding machine have a feeding roller 1, feeding board 2, licker-in 3a, 3b, 3c, cylinder 4, doffer 5, pattern doffing roller 6, clamping roller 7,8, web guiding piece 9, silver funnel 10, conveying roller 11,12, lead the rotation carded wool top 13 of cotton roller 13a, 13b, combing cover plate 14, bar cylinder 15 and circle bar machine 16 with carded wool top (card top).The direction that roller rotates is by the arrow logo bent.Reference numeral M
1represent the central point (axis) of cylinder 4, Reference numeral M
2represent the central point of doffer 5, Reference numeral M
3represent the central point of licker-in 3c.Reference numeral 4a represents pin cloth, and Reference numeral 4b represents the direction of rotation of cylinder 4.Reference numeral 5a represents pin cloth, and Reference numeral 5b represents the direction of rotation of doffer.Reference numeral B represents the direction of rotation of rotation carded wool top 13 when combing position, reference number C represents the echo-plex direction of combing cover plate 14, Reference numeral 62 ', 62 " represent fixing function element, Reference numeral 18 represents the radome fairing (cowling) be positioned at below cylinder 4.Arrow A represents operative orientation.
With reference to the accompanying drawings 2, the fixed frame 20 of the frame form of flat caiding machine capable or roller and clearer card is provided with four support members 21 (illustrate only wherein two) and two levels longitudinally rod 22 (illustrate only one of them).These two longitudinally rod and support member are linked together by cross bar (not shown), the stable of two rotating rollers 4 and 5 is used for and the support frame of rigidity to be formed, described two rotating rollers 4 and 5 are equipped with sharp-pointed (pointed) pin cloth, and operate under having the condition of less spacing a between which.Cylinder 4 is arranged on fixing position, so that can by means of the axis M of two support components 24 (illustrate only one of them in accompanying drawing 2) around cylinder 4
1rotate, wherein said two support components 24 utilize screw 23a, 23b to be screwed on longitudinal rod tightly; And described cylinder can be driven by the device do not occurred at figure, make cylinder 4b rotation in a clockwise direction.Cylinder 4 carries sharp-pointed pin cloth 4a on its cylindrical surface.Doffer 5 is arranged on the longitudinally rod 22 of framework 20, can rotate around its axis by two support components 25 (illustrate only one of them) in the same way.But, support component is not screwed to on longitudinal rod tightly, but each support component guides by means of two prismatic guiding pieces 26 (see accompanying drawing 2a), support component can be parallel to a small amount of displacement that described axis carries out about 1-2mm.Thus, by the translation of support component 25, the spacing between the cylindrical surface of roller 4 and 5 or pin cloth 4a and 5a can change on the direction of arrow M, N.Doffer 5 is similarly provided with sharp-pointed pin cloth 5a on its cylindrical surface.For from fiber cylinder 4 to the transfer of doffer 5, among other parameters (such as, the superficial velocity of two rollers and the characteristic of sharp-pointed pin cloth), vital factor is the spacing between the cylindrical surface of two rollers.Only described spacing remain on accurately and in very narrow tolerance time, the good utilization of capacity (working ratio) between roller can be guaranteed.In such a configuration, when roller diameter be about 0.2m to 1.5m and roller width up to 2m, the optimal value of described spacing is in the scope of about 0.05mm < a < 0.3mm, the lower limit of spacing a is not technical requirement, but just to avoiding contacting with each other or disturbing and maintain between the pin cloth tip of two rollers.Otherwise, on fire or by the risk of mechanical failure by there is expensive pin cloth.Therefore, compared with the size of roller, spacing a is very little.As being determined by experiment, the diameter caused due to the rising of roller temperature is approximately every 10 DEG C of temperature rises and is about 0.08mm, and it corresponds to the order of magnitude of the optimal value of spacing a completely.The effect of centrifugal force produces similar distortion.In order to spacing a is set as desired value, machine frame must arrange the fixing retainer 27 being used for setting element 28 on its each longitudinal rod, and described setting element 28 is plugged between fixing retainer 27 and support component 25.Setting element 28 can determine the position of the position relative to fixing support component 24 of the supporting member 25 corresponding with them.By means of closed-loop control device, setting element is controlled (see accompanying drawing 6).Peltier element 29 is as supply or the device of the heat energy that dissipates is connected with each setting element 28.
With reference to the accompanying drawings shown in 2a, utilize and make support component 25 (bearing) displacement as the thermal expansion of the Metallic rod of setting element 28 or thermal contraction.For this reason, Metallic rod is such as threaded connection and is fixedly secured in support component 25 and retainer 27.Make initiatively supplying heat and making initiatively to regain heat needed for Metallic rod thermal contraction needed for Metallic rod thermal expansion, produce by means of Peltier element 29, wherein the power supply of Peltier element 29 is undertaken regulating (see accompanying drawing 6) by closed-loop control device.By means of prismatic guiding piece 26 by support component 25 so that the mode of displacement longitudinally rod 22 can be attached to.
With reference to the accompanying drawings shown in 3, the form of setting element 28 in metal tube.The main body that maybe can shrink of can the expanding of setting element 28 is preferably by having high thermal expansion coefficient and the material (being such as aluminium) simultaneously with high strength is formed.Main body shown in accompanying drawing 3 is aluminum pipe (thermalexpansioncoefficientα=23.8 × 10
-6[1/ ° of K]).Due in the form of hollow body (pipe), so main body has quality little as far as possible, make main body can by heating and cooling as far as possible rapidly.In addition, it is preferably adiabatic, thus makes it supplied heat can not be passed to surrounding environment.Can at outer setting insulation 30, such as, by means of foam rubber pipe.Be different from the main body of setting element 28, tie point 31a, 31b to the peripheral components of machine are made up of the material with low thermal coefficient of expansion, to regain heat from main body as few as possible, and similarly adiabatic to setting element 28.Here, such as (low) steel alloy is suitable.Peltier element 29 needs flat surfaces to install.If use the pipe in accompanying drawing 3, then middleware 32 (Peltier connector) must be attached to pipe (such as using heat-conductive bonding agent or screw), to obtain flat surfaces.Also the main body of setting element 28 can be made directly to be formed with flat surfaces, such as, in the form of the aluminium section bar of extruding.Cools body 33 is directly bonded to Peltier element 29; It also can by being clamped and connected.
With reference to the accompanying drawings 4, when two different electric conductors to link together (being such as welded to connect) in their end and electrical conductor is executed alive time, heat as a kind of heat pump operation, and is sent to opposite side from the side of element by Peltier element 29.The side of release heat turns cold, and opposite side becomes warm.When the polarity of power supply 34 is contrary, cold side and warm side change over thereupon.Therefore, by means of power supply 34, Peltier element 29 produces the temperature difference on the both sides of element.If need cooling, then the heat on warm side must dissipate as well as possible, to enable side to be cooled become colder.On the contrary, in heating process, cold side must absorb heat as much as possible, can become more warm to make side to be heated.According to Fig. 4, negative pole Doped Semiconductor 35a, 35b (n-doping) alternately connect together on copper coin 37a, 37b, 37c in their end all the time with doping in positive electrode type semiconductor 36a, 36b (p-doping).Usually, copper coin 37a, 37b, 37c is used to corresponding ceramic wafer 38a, 38b covering of warm side and cold side.
In order to heat the main body of setting element 28 as quickly as possible, main body and environment thermal insulation.Otherwise a direct part by received heat is dispersed in environment by main body.In order to cool the main body of setting element 28 as quickly as possible, this main body has larger cooling surface, and this larger cooling surface can rapidly to Environment release heat.Between the main body that Peltier element 29 was clamped or be bonded in setting element 28 that is to be heated or that cool and cools body 33, therefore importantly, between the main body of setting element 28 and cools body 33, there is not heat bridge (thermal bridge).If there is such heat bridge, then Peltier element 29 no longer can produce temperature difference between cools body 33 and the main body of setting element 28, this is because temperature difference will directly be offset by heat transfer.Therefore, cools body 33 and isolation of components to be heated or to be cooled.This advantage provided is, in heating process, cools body 33 does not need to be heated, as a result, heating process is carried out quickly.
Because cools body 33 has larger surface area, Peltier element 29 can regain (withdraw) heat from environment, and is sent into the main body of setting element 28.Then, if need to carry out cooling (such as in accident or when colliding), then the polarity of the power supply 34 of Peltier element 29 will become contrary.And then, the heat being previously admitted to the main body of setting element 28 discharges from cools body 33 again, and the main body of setting element 28 is shunk.In this case, become contrary result as current polarity, achieve initiatively (active) cooling, this is different from prior art.By using the fan (not shown) of blowing facing to cools body 33, also can strengthen cooling procedure on one's own initiative, thus accelerating this cooling procedure.Operation is not only faster when becoming contrary caused active cooling due to polarity.By means of only disconnection Peltier element 29, utilize cools body 33 (only with Peltier element 29 in conjunction with time can use aptly) passive cooling, also can realize cooling procedure fast.Because heat does not dissipate by means of only the whole surface of setting element 28 main body, but discharge mainly through Peltier element 29 and cools body 33, so can and desirably make setting element 28 adiabatic, to accelerate heating process.
Therefore, compared with when such as using conventional heating element, by being combined Peltier element 29 and cools body 33 (and possible fan), heating and cooling process is carried out quickly.Thus, higher than known adjusting device for utilizing Peltier element 29 to adjust the adjustment power (dynamics) of the regulon of the spacing between cylinder 4 and doffer 5.
According to Fig. 5, the fluid 44 with the high coefficient of cubical expansion is placed in leak proof container 40.Spring loads (such as by two Compress Springs 41a, 41b) and has the piston 42 of piston rod 43, for fluid 44 imposed load (overvoltage).When fluid 44 is by heating, fluid 44 expands.The piston rod 43 stretched out outwards moves.Owing to being connected to roller, so roller motion is away from cylinder 4.When fluid 44 cools, the course of work is contrary.For adding hot fluid 44 or being provided by the Peltier element 29 be attached on container 40 for regaining the necessary energy of heat from fluid 44.Piston rod 43 such as has screw thread, makes it possible to perform initial setting.By correctly selecting fluid, piston surface area, spring-biased and Fluid Volume, equipment of the present invention can adapt in adjustment force and adjustment stroke.Housing 40 is divided into the housing parts 40a that Compress Spring 41a, 41b are housed and the housing parts 40b holding hydraulic oil.When thermal expansion, piston rod 43 and piston 42 can displacements in the direction of arrow F; When receiving heat, piston rod 43 and piston 42 can along the direction displacements of arrow G.In the accompanying drawings, Reference numeral 44 represents fluid; Reference numeral 63 represents adjusting device.
According to Fig. 6, Peltier element 29 is linked in closed control circuit.For expecting that the desired value setting apparatus 46 (such as memory) of (presetting) workplace distance and closed loop controller 45 (such as PID closed loop controller) are connected.Sensor 27 (such as displacement transducer) is electrically connected to closed loop controller 45 as measurement mechanism, and the variable measured is input to closed loop controller 45 by sensor 27.Peltier element 29 is also electrically connected to closed loop controller 45, and wherein control variables outputs to Peltier element 29 from closed loop controller 45.Peltier element 29 is attached to setting element 28 (see Fig. 3), and this setting element 28 acts in adjusting device 48 (see Fig. 2), for setting or reset workplace distance.Reference numeral 49 represents the element being used for the input nonlinearities factor (disturbing factor).
By presetting the desired value for workplace distance based on the calculating of the rotary speed of cylinder and the temperature (T-CON) of the temperature of cylinder 4, the temperature of side dust cage and environment.Doffer 5 is measured by sensor 47 (such as displacement transducer) relative to the physical location of cylinder 4.Closed loop controller 45 (being preferably PID closed loop controller) compares physical location and desired value, and correspondingly adjusts the power supply 34 (see Fig. 4) of Peltier element 29.By utilizing Peltier element 29 heat or cool, main body or the fluid 44 of setting element 28 reexpand or shrink.Interference factor (change of such as environment temperature) may to the workplace determined like this apart from having adverse effect.But sensor 47 is by the change of surveying work spacing, and closed loop controller 45 further adjusts, and closes closed control circuit thus.
As depicted in figures 7 and 8, by arranging setting element 28 dexterously between doffer 5 and framework 20, the shortcoming of the relatively low coefficient of expansion of solid (metal) can be compensated.
With reference to the accompanying drawings shown in 7, doffer 5 is mounted to rotate by the fixing pivotal point 50 (pivot bearings) on the framework 20 of machine.The pivotal arm 51 of doffer 5 is supported on setting element 28 at an end 52 place
1fixing main body on.Pivotal arm 51 can rotate up in the side of arrow H, I around fixing pivotal point 50.When utilizing Peltier element 29 pairs of setting elements 28
1main body when heating, main body expands, and the pitch smaller that works.On the contrary, when setting element 28
1main body cooling time, workplace is apart from becoming large.Setting element 28
1arrange the closer to pivotal point 50, the expansion required for stroke reaching expectation is less.Setting element 28
1another end be hinged on fixing pivotal point (pivot bearings) 53, this pivotal point (pivot bearings) 53 is advantageously arranged on framework 20.
Realize cooling because Peltier element 29 also can pass through the polarity inversion of electric current (see accompanying drawing 4, position 34), setting element 28 can be made equally
2work in the opposite direction, as shown in Figure 8.Pivotal arm 51 (lever arm) is arranged on setting element 28 at end 52 place
2on.Setting element 28
2another end be hinged on fixed position place on pivotal point 54.When the setting element 28 in this structure
2time cooled, it shrinks, and workplace is apart from becoming less.
Following advantage is there is shown in accompanying drawing 7 and 8, namely be installed into and can rotate or the doffer 5-of pivotable and the optional whole outlet module being arranged in the downstream of cylinder 4 around pivotal point 50, comprise pattern doffing roller 6, clamping roller 7,8, web guiding piece 9, silver funnel 10, conveying roller 11,12-be loaded by gravity by their own wt on the direction of arrow H, make no longer to need fixture.Advantageously, provide retainer (not shown) or analog, to eliminate the contact between the pin cloth 4a of the cylinder 4 and pin cloth 5a of doffer 5.
Figure 9 show such a embodiment, wherein the doffer 5 in cylinder 4 and two downstreams
1with 5
2coordinate, the doffer 5 in described two downstreams
1with 5
2lever arm 51a, the 51b that can both pass through to rotate are respectively around fixing pivotal point pivotable, and wherein said lever arm 51a, 51b are hinged on corresponding setting element 28a, 28b respectively.Setting element 28a and 28b coordinates with corresponding Peltier element (not shown in Figure 9) respectively, as a result, (reset) workplace that can set respectively or reset is apart from a
1and a
2.
Figure 10 show a kind of like this structure, wherein cylinder 4 coordinates with the upstream licker-in 3 installed pivotally, described licker-in 3 can rotate around fixing pivotal point 56 by means of the lever arm 55 that can rotate, lever arm 55 is hinged on the setting element 28 that coordinates with Peltier element (not shown in Figure 10), workplace distance as a result, can set or reset between cylinder 4 and licker-in 3 (i.e. their pin cloth 4a and 3 ").Pivotal arm 55 rotates around pivotal point 56 on the direction of arrow K, L.
With reference to the accompanying drawings shown in 11, hydraulic cylinder 40 is equipped with safety valve 60 (check valve of 2/2 logical valve of such as electric operation or electrically irresistible (electrically unblockable)).Regulon is arranged so that opening valve 60 inevitably causes the spacing between cylinder 4 and doffer 5 to expand, and makes in case of emergency, avoids causing main damage to machine.Such as: formed when lap (1ap) and detected by the separation lap checkout gear 61 being positioned at pattern doffing roller 6.Then, valve 60 is opened.The increase of spacing is achieved, and such as, pushes piston 42 (see accompanying drawing 5) by the Action of Gravity Field of doffer 5, and correspondingly forces fluid 44 efflux cylinder pressure 40.Need ladder-shaped frame, the support component of this ladder-shaped frame is used as the slide rail of doffer 5, works in the horizontal direction to prevent the regulon of doffer 5.Another kind may be, doffer 5 is installed (see accompanying drawing 7,8) in the mode of pendulum around pivotal point 50.
With reference to the accompanying drawings shown in 12, in operation before setting carding machine, such as at room temperature, between cylinder 4 and licker-in 3c, there is spacing b on the one hand
1, between cylinder 4 and doffer 5, there is spacing a on the other hand
1, under any circumstance spacing is such as 8/1000 inch (").When carding machine in the running, machine especially roller become warm after, the spacing between cylinder 4 and licker-in 3c and the spacing between cylinder 4 and doffer 5 are decreased to a2 and b2 respectively, such as, be under any circumstance 2/1000 inch.By means of laying respectively at bearing supports 21 ', 21 " on and be positioned at bearing supports 21 ', 21 " among Peltier element 29
1with 29
2(and being arranged in the Peltier element of unshowned bearing supports of the frame wall on the opposite side of carding machine), bearing supports in the vertical direction expands.As a result, cross member, bearing 24 (and unshowned be positioned at cross member on opposite side and bearing) and axis M
1similarly upwards promote along vertical direction together with cylinder 4.Like that, machinery base or frame base and central point M
1between spacing c
1increase to spacing c2.Meanwhile, spacing a1 and b1 increases to a2 and b2 respectively, and it can be calculated by geometry determines.The central point M of the axle of machinery base or frame base and doffer 5
2between spacing e1 and the central point M of axle of machinery base or frame base and licker-in 3
3between spacing d1 remain unchanged.
Temperature from the height of roller via side dust cage (screen) until the framework of machine reduces.According to the present invention, as the case may be, optionally and with low-down heat to export or cooling realizes the compensation of roller change in size.Machine frame 20 be divided on calorifics make by heating cylinder 4 with the support member 21 ', 21 of framework remainder " thermal insulation " " and make cylinder 4 promote or decline.Can staged or infinitely set Peltier element 29
1with 29
2temperature.According to the present invention, realize the active supply of heat or dissipate.
The working width (not shown) of cylinder 4 and at least one adjacent roller is from 1000mm to 2000mm such as.
Due to the measure taked according to the present invention, that is, supply heat on one's own initiative at the setting element place at least one roller adjacent with cylinder 4 and regain heat on one's own initiative, in an excellent way work can be spaced within the very short time interval and set or reset to expectation (predetermined) value.
In order in case of emergency quickly cool setting element 28 (can expand the pipe that maybe can shrink), advantageously, the compressed air of " step-down " is used to produce the effect of strong refrigeration.Such as, if the compressed air had higher than the pressure of atmospheric pressure 6 bar (bar) is discharged in environment from valve, then the air compressed before can reexpand and be atmospheric pressure.Due to this expansion, air was cooled to less than-100 DEG C in several seconds.Thermodynamically, this process picture " the constant entropy change of state ".In order to implement foregoing, at setting element 28 (pipe that can expand He can shrink) place, air valve can be installed, in case of emergency, this air valve can be opened.Utilize the cold air flowing through pipe, the workplace of some thousandths of inch can be realized at short notice apart from a.Cooling is realized by the compressed air just in step-down.
Claims (82)
1. the equipment on a flat caiding machine capable or roller and clearer card, described equipment is for setting the workplace distance between the cylinder of band pin cloth and at least one roller of adjacent band pin cloth, the less workplace distance that described cylinder and at least one roller are sentenced between their cylindrical surface at fibre migration point cooperatively interacts, and as the result of the change in size produced by thermal expansion and/or centrifugal force, can by described workplace apart from resetting to predetermined value, be provided for the adjusting device of adjacent roller, described adjusting device can be operated by heat supply, it is characterized in that, be provided for supplying on one's own initiative and/or dissipate the device (29 of heat energy, 29
1, 29
2), described for supplying on one's own initiative and/or the device of the heat energy that dissipates and described adjusting device (28, 28
1, 28
2, 28a, 28b, 48, 63) be connected, wherein when the size of described roller (3,4,5) changes, can set or reset described cylinder (4) and at least one adjacent roller (3, 5, 5
1, 5
2) between workplace apart from (a, a
1, a
2, b, b
1), wherein, described for supply on one's own initiative and/or the device of the heat energy that dissipates is Peltier element (29).
2. equipment according to claim 1, is characterized in that, described for supply on one's own initiative and/or the Plant arrangement of the heat energy that dissipates becomes not only for heating but also for cooling.
3. equipment according to claim 1 and 2, is characterized in that, at least one roller of described adjacent band pin cloth is doffer and/or licker-in.
4. equipment according to claim 1 and 2, is characterized in that, described Peltier element has two metallic conductors being connected to power supply.
5. equipment according to claim 4, is characterized in that, the sense of current in described metallic conductor is reversible.
6. equipment according to claim 1 and 2, is characterized in that, cools body with described for supply on one's own initiative and/or the device of the heat energy that dissipates is connected.
7. equipment according to claim 6, is characterized in that, described cools body has fin.
8. equipment according to claim 1 and 2, is characterized in that, fan with described for supply on one's own initiative and/or the device of the heat energy that dissipates is connected.
9. equipment according to claim 1, is characterized in that, described adjusting device has can thermal expansion or can the parts of thermal contraction.
10. equipment according to claim 9, is characterized in that, heat energy can be supplied on one's own initiative described parts or can regain heat energy on one's own initiative from described parts.
11. equipment according to claim 9 or 10, is characterized in that, described parts can be expanded by initiatively heat supply, and can be shunk by initiatively dissipation heat energy.
12. equipment according to claim 9 or 10, is characterized in that, initiatively supply or the effect of dissipation heat energy are on the part.
13. equipment according to claim 9, is characterized in that, described parts are setting elements of solid.
14. equipment according to claim 13, is characterized in that, the setting element of described solid is Metallic rod or metal tube.
15. equipment according to claim 13, is characterized in that, the setting element of described solid is hollow body.
16. equipment according to claim 13, is characterized in that, the setting element of described solid is made up of aluminum or aluminum alloy.
17. equipment according to claim 13, is characterized in that, the setting element of described solid is extruded profile.
18. equipment according to claim 13, is characterized in that, gearbox or gear mechanism are connected with the setting element of described solid, expand for transmitting or shrink.
19. equipment according to claim 1 and 2, it is characterized in that, described adjusting device has actuated components, described actuated components has movement reversal parts.
20. equipment according to claim 13, is characterized in that, described Peltier element is arranged on the setting element of described solid.
21. equipment according to claim 13, is characterized in that, the setting element of described solid has heat-insulating material or thermal protection lid on the outside.
22. equipment according to claim 13, is characterized in that, the tie point between the setting element of described solid and the peripheral components of machine is made up of the material with low thermal conductivity.
23. equipment according to claim 22, is characterized in that, described tie point is made up of steel alloy.
24. equipment according to claim 14, is characterized in that, described Peltier element is attached to Metallic rod or metal tube by bonding, or are attached to container or the housing of adjusting device.
25. equipment according to claim 14, is characterized in that, described Peltier element to Metallic rod or metal tube, or is attached to container or the housing of adjusting device by clamping attachment.
26. equipment according to claim 24 or 25, is characterized in that, between described Peltier element and Metallic rod or metal tube, or between the container or housing of described Peltier element and adjusting device, are provided with heat conducting film or heat-conducting cream.
27. equipment according to claim 14, is characterized in that, described Peltier element is attached to the flat surfaces of Metallic rod or metal tube, or are attached to the flat surfaces of the middleware as Peltier connector for being connected to pipe.
28. equipment according to claim 9, is characterized in that, described parts are setting elements of fluid matasomatism.
29. equipment according to claim 28, is characterized in that, described fluid is incompressible fluid.
30. equipment according to claim 28, is characterized in that, described fluid is oil.
31. equipment according to claim 30, is characterized in that, described oil is hydraulic oil.
32. equipment according to claim 28, it is characterized in that, described fluid has high thermal coefficient of expansion, described thermal coefficient of expansion is about α=7 × 10
-4[1/ ° of K].
33. equipment according to claim 1 and 2, is characterized in that, the change of described spacing is that every 10 ° of K temperature rises are about 0.1mm.
34. equipment according to claim 28, is characterized in that, described setting element comprises Metallic rod or rod.
35. equipment according to claim 28, is characterized in that, described setting element comprises cylindrical piston.
36. equipment according to claim 35, is characterized in that, described adjusting device comprises container or housing.
37. equipment according to claim 13 or 28, it is characterized in that, described setting element is attached to described cylinder by one end.
38. equipment according to claim 36, is characterized in that, the region in the face of described cylindrical piston of described cylindrical piston and described setting element is arranged in container or housing.
39. equipment according to claim 36, is characterized in that, the region of the described dorsad cylindrical piston of described setting element is arranged in the outside of container or housing, or is projected into the outside of container or housing.
40. equipment according to claim 36, is characterized in that, described fluid is arranged between the inwall of container or housing and at least one end face of described piston.
41. equipment according to claim 36, is characterized in that, described fluid is arranged between the inwall of container or housing and an end face of described piston.
42. equipment according to claim 34, is characterized in that, described setting element is stressed.
43. equipment according to claim 36, is characterized in that, described container or housing are sealings.
44. equipment according to claim 43, is characterized in that, described fluid is arranged in the closed cavity of container or housing.
45., according to equipment according to claim 39, is characterized in that, the part be projected into outside housing or container of described setting element is connected to the bearing of adjacent roller.
46. equipment according to claim 28, is characterized in that, by the energy dissipation of described fluid, described setting element are returned.
47. equipment according to claim 28, is characterized in that, by heat supply, described fluid can expand, and by the expansion of described fluid, described setting element can displacement partly.
48. equipment according to claim 1 and 2, is characterized in that, can by opened loop control to heat energy being initiatively supplied to described adjusting device and controlling from described adjusting device active dissipation heat energy.
49. equipment according to claim 48, is characterized in that, provide open ring control device, to consider supply and dissipation heat energy, thus regulate described spacing based on the data obtained by experience.
50. equipment according to claim 1 and 2, is characterized in that, can by closed-loop control to heat energy being initiatively supplied to described adjusting device and controlling from described adjusting device active dissipation heat energy.
51. equipment according to claim 50, is characterized in that, provide closed-loop control device, make it possible to the measured value based on current spacing, will to described adjusting device heat supply or from described adjusting device dissipation Thermoregulation to default desired value.
52. equipment according to claim 1 and 2, is characterized in that, startup stage before, heat energy can be supplied to described adjusting device.
53. equipment according to claim 1 and 2, is characterized in that, according to arrangement, startup stage during, heat energy can be regained from described adjusting device, or heat energy can be supplied to described adjusting device.
54. equipment according to claim 1 and 2, is characterized in that, according to arrangement, during stop phase, heat energy can be supplied to described adjusting device, or can regain heat energy from described adjusting device.
55. equipment according to claim 1 and 2, is characterized in that, after stop phase, can regain heat energy from described adjusting device.
56. equipment according to claim 1 and 2, is characterized in that, after the start up period with stop phase before working stage during, heat energy can be supplied to described adjusting device, and heat energy can be regained from described adjusting device.
57. equipment according to claim 1 and 2, is characterized in that, the desired value of workplace distance can be preset by the calculating based on the temperature of the rotary speed of cylinder, cylinder, the temperature of side dust cage and the temperature of environment.
58. equipment according to claim 1 and 2, is characterized in that, adjacent roller can pass through sensor measurement relative to the physical location of cylinder.
59. equipment according to claim 50, is characterized in that, closed loop controller compares physical location and desired locations, in differentiated situation, affect the energy resource supply of described Peltier element with the form of control variables.
60. equipment according to claim 1 and 2, is characterized in that, described adjacent roller is the doffer with pin cloth.
61. equipment according to claim 1 and 2, is characterized in that, described adjacent roller is the licker-in with pin cloth.
62. equipment according to claim 1 and 2, is characterized in that, described adjacent roller is the worker rollers with pin cloth of roller and clearer card.
63. equipment according to claim 1 and 2, is characterized in that, by described adjusting device heat supply, the workplace between described adjacent roller can be made apart from becoming less.
64. equipment according to claim 1 and 2, is characterized in that, by regaining heat energy from described adjusting device, the workplace between described adjacent roller can be made apart from becoming less.
65. equipment according to claim 1 and 2, is characterized in that, by described adjusting device heat supply, the workplace between described adjacent roller can be made apart from becoming larger.
66. equipment according to claim 1 and 2, is characterized in that, by regaining heat energy from described adjusting device, the workplace between described adjacent roller can be made apart from becoming larger.
67. equipment according to claim 1 and 2, is characterized in that, in order to set workplace distance, described adjacent roller is mounted to can relative to cylinder displacement.
68. equipment according to claim 13 or 28, is characterized in that, in order to set workplace distance, described adjacent roller is installed around fixing pivotal point relative to cylinder.
69. equipment according to claim 68, is characterized in that, described pivotal point is arranged on machine frame.
70. equipment according to claim 68, is characterized in that, roller is hinged on fixing pivotal point by means of pivotal arm.
71. equipment according to claim 70, is characterized in that, described setting element is hinged on described pivotal arm.
72. equipment according to claim 70, is characterized in that, the described pivotal arm of roller is supported on described setting element.
73. equipment according to claim 70, is characterized in that, described pivotal arm is installed on described setting element.
74. equipment according to claim 68, is characterized in that, described setting element is installed around fixing pivotal point at one end.
75. equipment according to claim 70, is characterized in that, described pivotal arm is for the bearing of roller or the form of framework.
76. equipment according to claim 1 and 2, is characterized in that, by means of described for supply and/or the device of the heat energy that dissipates enables the temperature of the frame wall of carrying cylinder and workplace apart from matching.
77. equipment according to claim 1 and 2, is characterized in that, also comprise safety valve and the hydraulic cylinder that can control as setting element, described safety valve is connected with hydraulic cylinder.
78. equipment according to claim 4, is characterized in that, described two metallic conductors are closed thermocouples.
79. equipment according to claim 17, is characterized in that, described extruded profile is extruded aluminium section bar.
80. equipment according to claim 23, is characterized in that, described steel alloy is that low-alloy steel is formed.
81. equipment according to claim 24, is characterized in that, described bonding is undertaken by heat-conductive bonding agent.
82. equipment according to claim 58, is characterized in that, described sensor is displacement transducer or gap measuring device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009031978.6 | 2009-07-06 | ||
| DE102009031978A DE102009031978A1 (en) | 2009-07-06 | 2009-07-06 | Device on a card or carding machine for adjusting the working distance between the drum and at least one adjacent roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101942714A CN101942714A (en) | 2011-01-12 |
| CN101942714B true CN101942714B (en) | 2014-12-24 |
Family
ID=42669095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010224313.7A Expired - Fee Related CN101942714B (en) | 2009-07-06 | 2010-07-06 | Apparatus on a flat card or roller card for setting the working spacing between the cylinder and one neighbouring roller |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN101942714B (en) |
| CH (1) | CH701398B1 (en) |
| DE (1) | DE102009031978A1 (en) |
| GB (1) | GB2471755B (en) |
| IT (1) | IT1401104B1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010018840A1 (en) * | 2010-04-29 | 2011-11-03 | TRüTZSCHLER GMBH & CO. KG | Device on a card or card with a garnished drum and at least one adjacent roller |
| DE102011113390A1 (en) * | 2011-09-16 | 2013-03-21 | Trützschler GmbH & Co Kommanditgesellschaft | Device on a card or card with a garnished drum and at least one garnished adjacent customer |
| CH712271A1 (en) * | 2016-03-17 | 2017-09-29 | Rieter Ag Maschf | Work item. |
| DE102016117872A1 (en) | 2016-09-22 | 2018-03-22 | TRüTZSCHLER GMBH & CO. KG | teasel |
| CH713459A1 (en) * | 2017-02-15 | 2018-08-15 | Rieter Ag Maschf | Method for operating a card and card. |
| DE102017117661A1 (en) * | 2017-08-03 | 2019-02-07 | TRüTZSCHLER GMBH & CO. KG | Flat bar system |
| DE102018104150A1 (en) * | 2018-02-23 | 2019-08-29 | TRüTZSCHLER GMBH & CO. KG | Apparatus and method for adjusting a working distance between a drum and at least one adjacent thereto working element in a spinning preparation machine |
| CN109137151A (en) * | 2018-08-21 | 2019-01-04 | 安徽世倾环保科技有限公司 | A kind of production equipment for deduster filtrate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4434531A (en) * | 1978-04-25 | 1984-03-06 | Rieter Machine Works, Ltd. | Apparatus for controlling the working conditions in a processing machine of the staple fiber spinning plant |
| CN1519404A (en) * | 2003-02-07 | 2004-08-11 | ��³������ɷ�����˾�����Ϲ�˾ | Device for setting up work gap between cylinder and at least one neighbour roller in carding machine |
| CN1798884A (en) * | 2003-06-03 | 2006-07-05 | 里特机械公司 | The carding machine elements adaptive for thermal expansion effects |
| GB2431933A (en) * | 2005-10-28 | 2007-05-09 | Truetzschler Gmbh & Co Kg | Means for displacing card holding element |
| CN101046011A (en) * | 2006-03-27 | 2007-10-03 | 特鲁菲舍尔股份有限公司及两合公司 | Device for adjusting combing gap for spinning preparation machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10106315A1 (en) * | 2001-02-12 | 2002-08-29 | Rieter Ag Maschf | Method for operating a card and a card |
-
2009
- 2009-07-06 DE DE102009031978A patent/DE102009031978A1/en not_active Withdrawn
-
2010
- 2010-06-29 CH CH01061/10A patent/CH701398B1/en not_active IP Right Cessation
- 2010-07-02 IT ITMI2010A001216A patent/IT1401104B1/en active
- 2010-07-02 GB GB1011158.1A patent/GB2471755B/en not_active Expired - Fee Related
- 2010-07-06 CN CN201010224313.7A patent/CN101942714B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4434531A (en) * | 1978-04-25 | 1984-03-06 | Rieter Machine Works, Ltd. | Apparatus for controlling the working conditions in a processing machine of the staple fiber spinning plant |
| CN1519404A (en) * | 2003-02-07 | 2004-08-11 | ��³������ɷ�����˾�����Ϲ�˾ | Device for setting up work gap between cylinder and at least one neighbour roller in carding machine |
| CN1798884A (en) * | 2003-06-03 | 2006-07-05 | 里特机械公司 | The carding machine elements adaptive for thermal expansion effects |
| GB2431933A (en) * | 2005-10-28 | 2007-05-09 | Truetzschler Gmbh & Co Kg | Means for displacing card holding element |
| CN101046011A (en) * | 2006-03-27 | 2007-10-03 | 特鲁菲舍尔股份有限公司及两合公司 | Device for adjusting combing gap for spinning preparation machine |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2471755A (en) | 2011-01-12 |
| CN101942714A (en) | 2011-01-12 |
| ITMI20101216A1 (en) | 2011-01-07 |
| GB2471755B (en) | 2012-11-21 |
| GB201011158D0 (en) | 2010-08-18 |
| IT1401104B1 (en) | 2013-07-12 |
| CH701398B1 (en) | 2014-06-30 |
| DE102009031978A1 (en) | 2011-01-13 |
| CH701398A2 (en) | 2011-01-14 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220510 Address after: The German city Minxin Gladbach Patentee after: Trutschler Group Europe Address before: The German Monchengladbach Patentee before: TRuTZSCHLER GmbH & Co.KG |
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Granted publication date: 20141224 |