EP1054086A1 - Méthode et dispositif de commande d'un composant d'une machine textile qui comprend plusieurs postes de travail identiques placés côte à côte - Google Patents

Méthode et dispositif de commande d'un composant d'une machine textile qui comprend plusieurs postes de travail identiques placés côte à côte Download PDF

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Publication number
EP1054086A1
EP1054086A1 EP00106780A EP00106780A EP1054086A1 EP 1054086 A1 EP1054086 A1 EP 1054086A1 EP 00106780 A EP00106780 A EP 00106780A EP 00106780 A EP00106780 A EP 00106780A EP 1054086 A1 EP1054086 A1 EP 1054086A1
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EP
European Patent Office
Prior art keywords
component
control device
central control
address
individual
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00106780A
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German (de)
English (en)
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EP1054086B1 (fr
Inventor
Jürgen Gaukler
Mario Maleck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rieter Ingolstadt Spinnereimaschinenbau AG
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Rieter Ingolstadt Spinnereimaschinenbau AG
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Publication of EP1054086A1 publication Critical patent/EP1054086A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/16—Framework; Casings; Coverings ; Removal of heat; Means for generating overpressure of air against infiltration of dust; Ducts for electric cables
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/42—Control of driving or stopping
    • D01H4/44—Control of driving or stopping in rotor spinning

Definitions

  • the present invention relates to a method for controlling a component a textile machine according to the preamble of claim 1 and a Device for performing this method.
  • the term “component” any device can be understood, which is controllable and thereby the Failure of the product can influence in a variable manner. It understands it goes without saying that depending on the type of textile machine these components can be of different types. But also the same in textile machines Genus, these components can be designed differently, which u. a. of the special training of the machine and the different Degree of automation depends.
  • the object of the present invention is a simple method and to create simple device with the help of which the components of each Workplaces can be controlled easily and precisely.
  • component-specific in the sense of the present Invention the special assignment to a specific component on a to understand a specific job. Assigns this job several Components, each component receives its own component-specific Address.
  • the component-specific Addresses set in such a way that they are time-saving assembly and initialization enable.
  • the detection phase can be triggered and carried out in various ways be, for example according to the further development according to the invention of the method according to claim 10 by converting the default address in an initialization address, which is then in the final component-specific Address is converted.
  • the recognition phase is expediently carried out according to claim 11 Connect a component to the bus system or by actuation a suitable element or switch triggered to according Claim 12 the corresponding component with the control voltage to supply or to send her an enable signal.
  • a particularly sensitive control process on an open-end spinning device is piecing, since the piecer, i.e. H. the junction between a thread end returned to a spinning element and the associated newly spun thread in terms of appearance and strength as indistinguishable from the rest of the thread if possible should be.
  • the piecing is of a complex nature and is done by a variety of Factors affected, taking into account the failure of a piecer according to a further development of the method according to the invention Claim 17 improved.
  • This piecing process can be carried out according to the invention optimize even further by different according to claim 18 and / or 19 Sizes are measured and accordingly the control of the piecing process is modified. It is an advantage if this control optimization according to claim 20 and / or 21 made becomes.
  • auxiliary voltage is used for a short definable duration, for example from the momentum of the still running textile machine and can check the components, the failure of the product produced on the textile machine, e.g. B. one Sliver or a thread, in such a speed ratio to each other that there are no major deviations the properties of the product from the normal state.
  • auxiliary power source or the flywheel which supplies the auxiliary current, accordingly the time of the power failure more and more energy or speed loses, a voltage can be released, such as for the control and the Drive of the components, which for the production of one in its properties essentially unchanged product are required only maintained for a short time. According to the invention, according to claim 23 therefore after a predetermined period of time is exceeded, this synchronous Speed ratio no longer maintained.
  • the work station preferably has a signaling device, which the operation of the central control device and / or Can signal malfunctions or the like.
  • the component advantageously has a time control element for the delayed one Initiation of the recognition phase according to claim 27.
  • the subject of the invention is expediently developed according to claim 28, which makes it possible regardless of whether and which component-specific address of a new one used in the exchange Component or their individual control device already assigned is the same basis for reassignment for all components to create component-specific addresses.
  • the recognition phase for setting a component-specific address by connecting a component and their individual control device to one with the central one Control device connected bus system are triggered.
  • this individual Component-specific address to be assigned to the control device it is advantageous if the individual control device according to claim 29 a triggering element is assigned, with the help of which a desired one and the detection phase independent of the time of assembly can be triggered for a specific component. It is of advantage if according to claim 30 with one and the same switching device different functions depending on their duration of operation can be triggered or in the meantime according to claim 31 Initialization address of the component to be recognized can.
  • a display device which shows the successful Allocation of a component-specific address indicates.
  • This display device can be designed in different ways.
  • the central control device and the individual control devices are in constant data exchange while the textile machine is working, to ensure that the central control device works properly Monitor components. It is conveniently according to Claim 33 provided that in the event of interference with this data exchange suitable function is triggered, for which it is advantageous if the central Control device according to claim 34 with a fault display device in Connection is established.
  • the individual components can differ be trained what u. a. also depends on the type of textile machine.
  • the component to be controlled according to claim 35 Drive motor for a feed roller.
  • a feed roller is one Component which is decisive for the failure of the during the spinning process generated thread and especially for the failure of a after an interruption of the spinning process to be carried out responsible for.
  • To this approach in an optimal way To be able to carry out is preferably the device according to the invention formed according to claim 36, but the features of this claim with advantage also regardless of the features of the preceding Apply claims.
  • the piecing or attaching process is advantageous if the feed roller controlling individual control device a tax-related connection according to claim 37 to these other components involved in the preparation process this job is provided. According to a further development of the device according to the invention according to claim 38 at least a measuring device for further optimization of the piecing process be provided.
  • the method according to the invention and the device according to the present Invention enable the correct assignment in a simple manner from individual control devices to a central control device.
  • This method and device can also be used optimize sensitive production processes in a simple and precise manner, even in the event of a brief drop in voltage.
  • Example of an open-end spinning device 1 according to FIG. 6 the most essential Elements are discussed with which such a method can be realized can.
  • this textile machine is also a Has a large number of the same jobs in the construction, as is the case with ring spinning or other conventional or unconventional spinning machines, e.g. B. winding spinning machines, and also the case with winding machines is.
  • FIG. 6 A typical open-end spinning device 1 chosen as an example is shown in FIG. 6 shown.
  • This open-end spinning device 1 has as components Feed device 10 for feeding a sliver 2 to a dissolving device 11, through which the sliver 2 is broken down into individual fibers 20 a spinning element 12, around which it is separated from the opening device 11 individual fibers 20 fed into the end of a thread 21, which by means of a thread take-off device 13 continuously from or from the Pulled off the spinning element 12 and a winding device 14 to form a Coil 23 is supplied.
  • auxiliary devices such as. B. one of the feeder 10 upstream belt guide 16, a thread return device 17, a thread monitor 18 and an auxiliary drive device 15 for driving the coil 23 during the piecing or preparation phase are usually additionally provided. On these components or auxiliary devices however, received later if this is to explain the procedure necessary is.
  • a maintenance facility 19 (only indicated in FIG. 6 with dashed lines) are arranged along the multiplicity of workplaces 6, 60, 61, 62 etc. and / or 7, 70, 71, 72 etc. is movable and at that work station 6, 60, 61, 62 etc. and / or 7, 70, 71, 72 etc. that needs maintenance.
  • the spinning element 12 can be designed differently and for example also consist of several elements, e.g. B. from two friction rollers, who work together to form a thread 21; the spinning element 12 can also be provided as a stationary chamber in which rotates a pneumatic or magnetic field and onto it In this way, the rotation required for the formation of a thread 21 is generated.
  • the spinning element 12 is designed as a spinning rotor.
  • the feeding device 10 serves the task of a sliver 2 of the opening device 11 feed.
  • a feed roller 100 which with the help of an individual Drive in the form of a drive motor 101 can be driven
  • a feed trough 102 which is pivotally mounted on a pin 103 is and by suitably attached to a stationary element Compression spring 104 (not shown) of the open-end spinning device 1 is acted on in such a way that the feed trough 102 is one of the opening device 11 fed sliver 2 between itself and the feed roller 100 is stuck.
  • the opening device 11 has a saw tooth set, not shown o. Like. Equipped opening roller 110, which in an only hint housing 111 shown is arranged. Between a feed opening 112, through which the front end of the sliver 2 the opening roller 110 is fed by the feed device 10, and a discharge opening 114, to which a fiber feed channel 115 connects, is usually located in the inner peripheral wall 116 of the housing 111 another dirt separation opening 113 for separating Debris 22 from the fiber-air stream coming from the feed opening 112 to the discharge opening 114 along the inner peripheral wall 116 of the Housing 111 flows.
  • the fiber feed channel 115 opens depending on the design of the spinning element 12 in or in this spinning element 12.
  • a according to FIG. 6 as a spinning rotor formed spinning element 12 is located in a chamber, not shown and has a rotor shaft 120 which is supported in a manner not shown and with the help of the spinning element designed as a spinning rotor 12 can be driven.
  • a drive element e.g. B. a friction wheel, a drive belt 121 or the like, possibly also one of several (if necessary two) drive belts, or a brake to act on the rotor shaft 120 are brought. But it can also be an individual Drive (single drive) for the spinning element 12 may be provided.
  • a thread take-off tube 122 is provided.
  • the thread take-off device 13 has a fixed take-off roller 130, which, for example, with the help of an overdrive 131 with a drive motor 132 is connected.
  • the stationary take-off roller 130 works Pressure roller 133 together, which is arranged on a lever 134.
  • the Lever 134 is pivotally mounted on and through a pivot axis 135 a tension spring 136 acts such that the pressure roller 133 resiliently in System is held on the driven take-off roller 130.
  • the lever 134 is extended beyond the bearing for the pressure roller 133 and has a free end 137 with which a lifting element 138 engages can be brought into connection with a lifting drive 139 stands.
  • the winding device 14 has a driven winding roller 140 on which the spool 23 rests during production.
  • the coil 23 is between two spool arms 141 rotatably mounted, which in turn on a pivot axis 142 are pivotally mounted.
  • the spool arms 141 is a lifting device 143 assigned.
  • the winding device 14 is also the already mentioned auxiliary drive device 15 assigned, which essentially consist of a swivel arm 150 a drive roller 151 at its free end.
  • the swivel arm 150 is mounted on a pivot axis 152; it has a swivel drive 153 assigned, with the help of the drive roller 151 for contact with the coil 23 brought or can be lifted from this again.
  • the coil 23 can be driven by means of the auxiliary drive device 15, which too for this purpose has a drive 154 for the drive roller 151.
  • a sliver 2 is fed with the aid of the feed device 10 of the dissolving device 11 supplied, which from the presented front end of the sliver 2 individual fibers 20 combs out, which due to the im Spinning element 12 prevailing negative pressure in the fiber feed channel 115 and from there to the spinning element 12.
  • the feed device 10 of the dissolving device 11 supplied, which from the presented front end of the sliver 2 individual fibers 20 combs out, which due to the im Spinning element 12 prevailing negative pressure in the fiber feed channel 115 and from there to the spinning element 12.
  • a trained as a spinning rotor Spinning element 12 they are placed there in the form of a fiber ring and continuously into the end of the thread 21 which is in constant withdrawal involved.
  • the drive motor 101 stands for the feed roller 100 with the help of a control line 300 with an individual Control device 30A in connection, which in turn by means of a Line 40 is connected to a central control device 4.
  • Open-end spinning machines usually consist of two end frames (not shown), in which various drives or a main control device 5 (Fig. 6) are housed, as well as a plurality of identical sections 8, 80 ..., each of which is a central control device for the section Control device 4, 4a ... common for all workplaces (6, 60, 61, 62 etc. and / or 7, 70, 71, 72 etc.) of this section 8, 80 ....
  • Each Workplace 6, 60, 61, 62 etc. and / or 7, 70, 71, 72 etc. has an open-end spinning device 1, of which the feed device 10 is a component is.
  • Fig. 1 shows the central control device 4 of section 8 a clock generator 41 which cooperates with the control device 4 and a bus system 42 with which a variety of individual control devices 30A, 30B, 30C, 30D and optionally 30a, 30b, 30c, 30d ... with the help of connection elements 47, for example in the form of plugs, in Connection is established.
  • the individual control devices 30a, 30b, 30c, 30d ... on one side of the machine and the individual Control devices 30A, 30B, 30C, 30D ... in another row arranged on the other side of the machine side by side.
  • the feed devices 10 with their individual control devices 30a, 30b ... and / or 30A, 30B, 30C ... are only installed during assembly, after the central control device 4, 4a ... a section 8, 80 etc. is functional. It is important that each individual control device 30a, 30b ... and / or 30A, 30B ... component-specific Addresses are assigned, since it depends on this addressing whether in the If maintenance is required, the movable maintenance device 19 also really served the right job 6, 60, 61, 62 etc.
  • step A the individual control devices 30a, 30b ... and / or 30A, 30B, 30C ... of the components to be installed to a default address set.
  • the associated individual Control device 30a, 30b ... and / or 30A, 30B, 30C etc. to the bus system 42 is connected (work step A), this will result in a recognition phase initiated (step B).
  • step C the default address converted into an initialization address (step C).
  • the Central control device 4 which in a predetermined by the clock generator 41 Clock the control devices 30a, 30b ... assigned to it and / or 30A, 30B, 30C ...
  • Component-specific address is intended to mean such an address be, which within section 8, 80 ... only one for each component Times is awarded. In this way it is unmistakably determined what component within an open-end spinning device 1 and also within which open-end spinning device 1 of a section 8, 80 etc. it is.
  • the central control device 4, 4a etc. has the component-specific
  • the central control device 4, 4a ... determines the address the registrations determine whether all component-specific addresses are assigned (step E). If not, see the minus sign in step E), she asks the individual control devices 30a, 30b ... and / or 30A, 30B, 30C etc. again and orders when it is found a new initialization address of the corresponding component corresponding component-specific address (work step D).
  • the Steps D and E are repeated until all component-specific Addresses have been assigned (see the plus sign in the work step E) and this polling cycle is ended (step F). How 3 will be explained later in connection with FIG Step F at the same time define the transition to another program.
  • step B The initiation of the recognition phase (step B) can, as described above, when assembling a component by connecting its control device 30a, 30b ... and / or 30A, 30B ... by means of a connecting element 47 to the bus system 42 are triggered. Because the central control device 4, 4a cannot recognize on its own which job 6, 60, 61, 62 etc. and / or 7, 70, 71, 72 etc. each is the central one Control device 4, 4a ... a rule for the order of the to be performed Connections specified. It is therefore necessary the individual To connect components to the bus system 42 in such an order, the given with this the central control device 4, 4a ... etc. Order matches.
  • This trigger element 31 can be designed in various ways and, if necessary also be an integral part of the component.
  • the trigger element 31 can be formed by the feed roller 100 itself become.
  • the feed roller 100 can be scanned and rotating it (by the operator) causes the recognition phase (Step B) is triggered.
  • a separate one Switches or buttons - as shown in FIGS. 1 and 6 - a light barrier, an infrared switch or the like is suitable for this purpose.
  • the trigger element is here by the pivotably mounted tape guide 16th educated.
  • the band guide 16 has, for example, a cranked lever 160 on that on a pin 161 on a fixed element of the open-end spinning device 1 is pivotally mounted.
  • This lever 160 will acted upon by a tension spring 162 so that its free end 163 abuts held on a flat surface 164 of the open-end spinning device 1 is and the fiber sliver 2 clamps between itself and this surface 164, without, however, that caused by the rotation of the feed roller 100 Pulling through the sliver 2 to affect.
  • the lever 160 has a guide opening 165 for the sliver 2 on. Now the lever 160 of the tape guide 16 over the normal Measure which corresponds to the usual thickness fluctuations of the sliver 2, Moved out, this can be used to emit a signal that initiates the recognition phase (step B).
  • the display device 43 and / or the display device 430 can be different Way as an acoustic or optical signal generator per se be known manner.
  • the arrangement of the display device 430 at work place 6 ... and / or 7 etc. itself is one another possibility realizable.
  • a conventional signal generator can namely put the relevant component into operation for a short time to ensure the assignment of a component-specific Display address.
  • the briefly actuated component forms itself the display device.
  • this is only allowed for such Components happen where there is no risk of injury is conjured up.
  • This is the case with a feed roller 100 because it is arranged in a recess of the housing 111 of the opening device 11 and is therefore outside the normal working range Maintenance person.
  • Fig. 6 shows another possibility of a display device 46, which as Integrated component of the thread monitor 18 is formed and for example one or more (for example different colored) light emitting diodes having.
  • the thread monitor 18 can also be used for quality monitoring of the Yarns can be designed as a sensor and one of those to be controlled according to the invention Components.
  • the central control device 4, 4a determines that you are a single component has been removed, it registers this. And now, without that other components are removed as a replacement for the removed Component a new component is used, so the central checks Control device 4, 4a ... whether the newly inserted component has component-specific address, which of the removed component was assigned. If this is the case, the central control device accepts 4, 4a ... the new component without the component-specific Address needs to be changed. Provides the central control device 4, 4a ... however, it states that the component-specific address differs from that of the removed component deviates, so the central control device replaced 4, 4a, etc. the component-specific address of the new component used by that component-specific address, which was assigned to the removed component.
  • Step B If, after having previously more than one component in a section 8, 80 ... was removed, new components are used again, so the central control device 4, 4a ... first waits until all are missing Components have been replaced by new components or until one Detection phase is initiated in the manner described above (Step B). It provides the component-specific addresses for everyone Components of this section 8, 80 ... or at least all similar Components, e.g. B. all feeders 10, back to the default addresses (Step H - see Figure 2). The operator can now go to one the recognition phase at any time in the desired order for all individual control devices 30A, 30B, 30C, 30D ... and optionally 30a, 30b, 30c, 30d ... of the replaced components initiate.
  • step A 1 If a component malfunctions (step A 1 ), the failure of this component is recognized by the central control device 4, 4a ... The component is now switched off (step A 2 ). In the case of a component formed by a feed roller 100, for example, the power supply to its drive motor 101 is interrupted.
  • the central control device 4, 4a ... is designed as a section control device, it can be provided that a corresponding signal is delivered to the main control device 5 which is superior to the (section) central control device 4, 4a ... at the same time as the component concerned is switched off (Step A 3 ) where the error is registered (Step A 4 ).
  • the display device 46 (or another display device) is addressed, the light-emitting diodes of which are made to flash, for example alternately yellow and red.
  • the central control device 4, 4a ... can be put into an exchange mode (work step A 5 ), which can be done with the help of the trigger element 31 or by a higher-level control. Subsequent actuation of the trigger element 31 (FIG. 6) by the operator causes the central control device 4, 4a ... to provide the individual control device 30a ... with a default address (step A 6 ).
  • step A 7 The component that caused the fault is now removed by removal.
  • a new component with an individual control device 30a ... is now used at the orphaned work station 6 ... (step B 1 ).
  • the recognition phase is initiated, which is done either by connecting the connector element 47 of the individual control device 30a ... designed as a plug to the bus system 42 or by actuating a special trigger element 31 (FIGS. 1 and 6).
  • a time control device (part of the individual control device 30a ... and therefore not specifically shown) is started (step B 2 ). Then, in the manner described above, the individual control device 30a ... is assigned a component-specific address (work step C / D or, depending on the embodiment, only D). The central control device 4, 4a ... then asks the individual control device 30a ... whether it has properly received a component-specific address (step D 1 ). If this is the case (plus sign in step D 1 ), the successful assignment of a component-specific address is indicated in a suitable manner (step G), for example by permanent lighting of one or more of the light-emitting diodes of the display device 46 integrated in the thread monitor 18 of the component concerned ( see Fig. 6).
  • step G 1 the central control device 4, 4a ... queries all individual control devices 30a, 30b ... and / or 30A ... whether all the components assigned to it have been registered.
  • This step is irrelevant when replacing a single component, since all components to be replaced have already been replaced by this individual component exchange. For this reason, the individual controller 30a ... after the step G 1 is immediately switched to the normal mode (plus sign in step G 1 - Step F).
  • step D 1 If the question of whether the new component, ie its individual control device 30a ..., could already be registered had to be answered in the negative (minus sign in step D 1 ), it is determined whether the time period specified by the time control device, not shown, has already expired ( Plus sign in step B 3 ) or not (minus sign in step B 3 ). In the affirmative (plus sign in step B 3 ), this individual control device 30a ... with its component is registered as faulty (step B 4 ). However, if the time has not yet expired (minus sign in step B 3 ), a query is made again as to whether this component has been registered in the meantime (step D 1 ).
  • step A 8 If an entire group of components is installed in section 8, 80 at once, which is the case, for example, during the initial assembly, the central control device 4, 4a ... is put into an initialization mode before the first component is installed (step A 8 ). It is then determined whether an individual control device 30a ... with a default address is already present at some work station 6 ... or 7 ... of this section 8 ,, 80 ... (step A 9 ).
  • the central control device 4, 4a reports any component in section 8, 80 ... as defective ( Plus sign in step A 9 ). As already stated, this is indicated on the display device 43 or 46 (possibly by alternately blinking a yellow and a red light-emitting diode) (step A 10 )
  • step A 9 the display device 43 or 46 of the work station 6 ... at which the next component is to be installed is activated (step A 11 ).
  • the installation takes place or at least the connection of components to the bus system 42 in an order, resulting from the geometry of the machine and its section.
  • the component-specific address is in this case by the central Control device 4, 4a ... thus depending on their spatial arrangement defined within section 8, 80. So are shown in Fig. 1 Sections 8, 80 ... the components one after the other in the neighboring ones Workplaces 6, 60, 61, 62 ... or 7, 70, 71, 72 ... installed and connected.
  • Step A 11 the first work station whose display device 43 or 46 is addressed. Steps B 1 , B, B 2 , C / D ... then take place in the manner described above in connection with the replacement of a single component.
  • step D After the registration of a component (step D), the query shows whether all components have been installed, that this is not the case (minus sign in step G 1 ). Thus, the display device 43 or 46 of the neighboring work station 70 is actuated (step A 11 ) to indicate that the next component is to be installed here.
  • step G 1 When all components have finally been installed and initiated (plus sign in step G 1 ), the initialization mode is ended and the central control device 4, 4a ... returns to normal mode (step F).
  • step A 8 it is also possible for the first installation before switching on the initialization mode (step A 8 ), all individual control devices 30a ... and / or 30A ... from the central control device 4 assigned to them, 4a ... to separate in terms of tax (step A 12 ).
  • This can be done, for example, using one of the triggering devices 31 of the various components or another switching device (not shown), which is provided, for example, on the central control device 4, 4a ...
  • the components can be installed in any order (step A 13 ).
  • step A 8 After all components belonging to a common central control device 4, 4a ... have been installed, the initialization mode is initiated (step A 8 ).
  • the individual control devices 30a ... and / or 30A ... are connected to the higher-order central control device 4, 4a ... one after the other in a predetermined sequence (step A 14 ). This can be done in various ways, for example by automatically or also manually releasing the control voltage or by emitting an enable signal, for example with the aid of the trigger element 31 mentioned (FIG. 6).
  • a time control device (not shown) is switched on (step A 15 ).
  • the individual control devices 30a ... and / or 30A ... to be installed can, for example, have the default address (step A 9 ) so that they are not identified as faulty (step B 4 ) or a new address is directly assigned to them.
  • step B 4 An error message occurs (step B 4 ) if an individual control device 30a ... and / or 30A ... does not report with its address within a predetermined period.
  • step A 9 a query is therefore made as to whether the time limit which has been specified by the time control device switched on in step A 15 has expired (plus sign in step A 16 ) or not (minus sign in step A 16 ). If the period has expired without the queried individual control device 30a, 30b ... and / or 30A ... with its address (plus sign in step A 16 ), the initialization of this individual control device 30a, 30b is aborted ... and / or 30A ... triggered.
  • 4a ... only an error is displayed (step B 4 ), or the initialization process as a whole is ended (step F), but this is not shown in the flowchart in FIG. 8.
  • step A 9 is repeated.
  • step B By initiating the initialization mode one after the other in the defined time interval on the components or on their individual Control devices 30a ... and / or 30A ... the detection phase (step B) performed.
  • the further work steps correspond to those which were previously explained with the aid of FIG. 7.
  • step D Has a component or the individual control device 30a ... and / or 30A ... assigned to it been recognized and provided with the corresponding component-specific address (step D), with an interim assignment of an initialization address (step C in FIG. 7) can be dispensed with, the individual control device 30b ... and / or 30B ... of the next component is connected in terms of control to the central control device 4, 4a ... after the query according to step G 1 (step A 14 ). The further work steps are repeated until step G 1 finally shows that all individual control devices 30a ... and / or 30A ... are registered and thus all components are also ready for use (plus sign in step G 1 ).
  • step F if an error occurs during the initialization phase after the error registration (step B 4 ), either the initialization can be continued or can be terminated, ie ended (step F).
  • step F if an error occurs during the initialization phase after the error registration (step B 4 ), either the initialization can be continued or can be terminated, ie ended (step F).
  • the last of these two options has not been shown in FIGS. 7 and 8, since the operator is made aware of the error on the basis of the error display by means of the display device 43 or 46 and the component concerned and her individual control device 30a at a later time. and / or 30A ... can initialize separately, as already described above.
  • step C assigning an initialization address
  • step A 11 or A 14 which is the next component to be initialized or individual control device 30A ... and / or 30a ...
  • the central control device 4, 4a recognizes which function is required depending on the work phase becomes. Instead (or in addition to this) it can be provided that at different multiple actuation of the trigger element 31 or at actuation times of different lengths also different functions to be triggered.
  • a time control element for the timed release of an individual control device 30a ... and / or 30A ... can the connecting element 47 (Fig. 1) accordingly a time control element, not shown, are equipped after the expiration the control voltage for the control device following it at a specified time 30b ... and / or 30B ... releases or triggers an enable signal, by which the control voltage of the affected individual control device 30b ... and / or 30B ... is released.
  • the actuation of the controllable Connection element 47 can also from the central control device 4, 4a from.
  • step I A query program is triggered (step I - Fig. 3). While of this production, the central control device 4, 4a etc. cyclically inputs the rhythm of the query signals given by the clock generator 41 (FIG. 1) or read requests (step J) to the components assigned to it, e.g. B. the feeders 10, the individual jobs 6, 60th ... from.
  • the individual control devices 30a, 30b ... and / or 30A, 30B, 30C ... monitor the regular arrival of such read requests (Step K). Is the individual control device 30A ... the arrival of one Reading request or request fixed (see plus sign in step K), generated in this way a response signal (step L).
  • step M the central control device 4a ... is continuously checked whether the individual control devices 30a ... and / or 30A, 30B, 30C ... response signals arrive or not (step M). If such signals arrive (plus sign in step M), see above will resend a read request (step J) to that Component or their individual control device 30a, 30b ... and / or 30A, 30B, 30C ... triggered.
  • the component itself can also monitor the cyclic communication between the individual control device 30a, 30b ... and / or 30A, 30B, 30C ... and the central control device 4, 4a. If, as a result of a fault on an individual control device 30a, 30b ... and / or 30A, 30B, 30C ... or on the central control device 4, 4a, no read request signal arrives (see minus sign in step K) or on the central control device 4, 4a no response signal arrive (see minus sign in step M), a function (for example step N 1 ) is triggered.
  • This function can be of different types. For example, this involves the setting of the queries, ie the setting or stopping the delivery of read requests by the central control device 4, 4a ...
  • step N 2 denotes the stopping of the component assigned to the individual control device 30A, 30B, 30C ...
  • step N 3 the initiation of the resetting of the component-specific address to the default address
  • step N 4 the triggering of an error message. This can be done with the aid of the previously mentioned display device 43 (FIG. 1) and / or 430 and / or 46 (FIGS. 1 and 6).
  • step N 3 can be used to simultaneously go to step H according to FIG. 2 and to initiate a recognition program (steps C and D). If the recognition program was carried out successfully, step F (see also FIG. 3) not only completes the assignment of a component-specific address, but at the same time initiates the query cycle again for the individual control device 30A, 30B, 30C ... concerned. This means that - as shown in FIG. 3 - read requests are again sent to the relevant individual control device 30, 30a etc. (step J), which are evaluated in the manner described above.
  • an adjustable or preset time measuring device 45 is assigned to the central control device 4, 4a etc. according to the exemplary embodiments described (see FIG. 6). . This is set to a specific value or is preset to a specified value, before which none of the functions according to steps N 1 , N 2 , N 3 or N 4 is triggered. For this reason, after step M, if the arrival of answer signals is negated (minus sign in step M), the first question is whether the specified time has been exceeded or not (step 0 1 ).
  • step J read requests (step J) continue to be sent to the relevant individual control device 30A, 30B, 30C etc. If, on the other hand, the specified time limit has already been exceeded (plus sign for work 0 1 ), one of the work steps N 1 , N 2 , N 3 or N 4 is initiated. Instead of just one of these functions N 1 , N 2 , N 3 or N 4 , depending on the design and / or programming of the central control device 4, 4a ..., several of these functions N 1 , N 2 , N 3 or N 4 can also be used simultaneously to be triggered.
  • the maintenance device 19 shown in FIG. 6 has a control device 190, which is connected to the main control device 5 by means of a line 191 connected is.
  • the following are connected to the control device 190: by means of a line 33, the thread return device 17, by means of a Line 330 of the lifting drive 139 for the pressure roller 133 of the thread take-off device 13, the lifting device 143 for a line 331 the spool arms 141 of the winding device 14, by means of a line 332 Swivel drive 153 for the swivel arm 150 and by means of a line 333 the drive 154 for the drive roller 151 of the auxiliary drive device 15.
  • each can have its own individual control device (not shown), which are then provided via a bus system (likewise not shown) within the maintenance device 19 instead of the individual lines 33, 330, 331, 332 and 333 with the (central) control device 190 of Maintenance device 19 are connected.
  • the assignment of a component-specific Address for the individual components of the maintenance facility 19 and / or their cyclical query can then be in the same Ways are done as is related to the central control device 4, 4a ... and the individual control devices 30A ... in the Sections 8, 80 ... of the machine has been described.
  • Fig. 4 shows a Flow chart for optimizing piecing on an open-end spinning device 1.
  • step P In order to create a piecing, default values must first be entered in the Control device 30A, 30B, 30C ... and / or in the parent central Control device 4, 4a ... are entered (step P). This points the central control device 4, 4a ... an input field with an input device 44 and / or the individual control device 30A ... an input field with an input device 301. For example, it is these default values for information about the length of the desired piecer, about its strength in relation to the normal thread size etc.
  • the values entered into the control device 30A, 30B, 30C, etc. due to conversion rules that were previously empirical in the laboratory, for example have been determined and which are then in the form of a program in the individual control device 30A, 30B, 30C ...
  • step Q These setting values are z.
  • B Time values for switching on the drive for the feed roller 100 and / or values for defining a curve for the speed curve, which the feed roller 100 during its run-up to should follow full operating speed.
  • the amount of individual fibers 20, which are fed to the spinning element 12 are controlled.
  • the spinning station or a thread monitor is queried cyclically (step J) whether a malfunction of the spinning operation, e.g. is in the form of a thread break. If the question of a malfunction is answered in the negative (see minus sign at the step R), the query is repeated (step J) until at some point this question must be affirmed (see plus sign at step R).
  • the disorder for example communicated to a robot used for maintenance work. Now a piecing or attaching process is carried out (step S).
  • the end of a thread 21 comes on during a piecing or piecing process the spinning element 12 is delivered until it comes in contact with those accumulating there Individual fibers 20 arrives. By contacting the thread 21 with the individual fibers 20, these are integrated into the end of the thread 21, which can thus be withdrawn again from the spinning element 12.
  • step T After the attachment process has been carried out, it is checked whether the attachment process succeeded and the thread break could be remedied (step T). If this is not the case (minus sign in step T), the piecing or Attachment process repeated (step S).
  • Failure of the piecer i. H. the junction of the returned Thread 21 with the newly spun thread 21 depends on various Factors, which will be discussed below.
  • Fall will be the deviations of the piecer from the desired failure determined without further aids by the operator, who then enters modified default values (step P).
  • a closer look of the piecer can optionally take place in the laboratory, whereby also in this case the determined values for the input of new default values can be used.
  • step U 1 the mass profile in the attachment is checked by measurement.
  • step U 1 the mass profile in the attachment is checked by measurement.
  • the measurement result of the thread monitor 18 shows whether and to what extent the piecing device produced differs from the desired result, and the entered default values are modified accordingly (step V 1 ).
  • step Q The conversion of these corrected default values into setting values then takes place, as described above, through step Q, to which the further steps J, R, S and T follow, optionally with the interposition of the working step O 2 or J, R, J, R , J, R ... connect.
  • the correction of the piecing process caused by the measurement thus already has an effect on the next piecing process (step S), with the piecing process generated also being measured in this and every further piecing process (step U 1 ) and used to optimize the subsequent piecing processes.
  • the invention is not restricted to the embodiments described above, but can be modified in many ways within the scope of the present invention, in particular by replacing individual or several features by equivalents or by other combinations thereof. It has been shown, for example, that the failure of a piecer does not depend solely on the fiber feed, ie on the work of the feed device 10, but that other factors also have a significant influence on the failure of such a piecer. Such factors are e.g. B. the air humidity, the speed of rotation of the spinning element or, if applicable, an air vortex or electromagnetic field rotating in it - or also the strength of the fiber sliver 2 supplied. In order to be able to determine these values as well, according to the exemplary embodiment shown in FIG. and / or monitoring devices are provided. So z.
  • step U 2 the value of the air humidity determined by this measuring device 180 is also used as the basis for the modification, ie correction, of the default values (step V 1 ).
  • the sliver guide 16 (FIG. 6) changes its pivoting position accordingly.
  • the swivel position is therefore a measure of the tape thickness. Since the tape guide 16 is connected to the control device 30A, 30B, 30C, etc. via a line 321, these pivoting movements or positions of the tape guide 16 (step U 3 ) can be used to control the attachment process by using the determined measurement results are taken into account when correcting the default values (step V 1 ).
  • a measuring device 123 is provided, which determines this speed without contact in a manner known per se (step U 4 ) and transmits its measurement results to the individual control device 30A, 30B, 30C ... using a line 322. These values are also taken into account in the correction of the default values (step V 1 ).
  • the determined measured values merely state which factors for the preparation are to be considered, but not in what way to do this Has.
  • Essential for the failure of the piecer is z. B. also the beginning and the speed the thread return in or on the spinning element 12 by the thread return device 17, which are designed in a manner known per se can.
  • the thread return device 17 has a retaining element 170, which e.g. B. is designed as a spindle.
  • the one for piecing Thread 21 to be released is first in the thread of the retaining element 170 withheld and only at the desired time for the piecing is released by turning the spindle accordingly the thread 21 is fed to the end of the thread. It can this retaining element 170, if necessary, additionally by means of a suitable one Drive 171 from the position shown towards the normal Thread run are moved to the thread 21 out of this thread run to release for the return delivery in or on the spinning element 12. Here plays the swivel speed for the thread return speed and therefore also a role for the piecing process.
  • the spun thread 21 is drawn off by the bobbin 23 at this time by the lifting device 143 at a distance is held by the winding roller 140 and thus in one of the winding roller 140 off-hook condition.
  • the drive roller 151 is located in contact with the spool 23, but is not yet driven initially. In timing to return the thread 21 to Spinning element 12, the drive roller 151 is driven by the drive 154 and accelerated in such a way that the mass flow in the piecer corresponds to the desired course.
  • the drive roller 151 drives accordingly the bobbin 23, which thus the thread 21 accordingly subtracts from the spinning element 12 and winds up.
  • the coil 23 reaches the full operating speed at which the peripheral speed the drive roller 151 and thus also the spool 23 at the peripheral speed the winding roller 140 coincides, the bobbin 23 is through Release by the lifting device 143 on the driven winding roller 140 lowered and now driven by this.
  • the drive roller 151, the Swivel arm 150 has been released by the swivel drive 153 was, this pivotal movement follows, so that the drive of the coil 23 in none Moment is interrupted.
  • the drive roller 151 of the coil 23 is lifted. The drive 154 is then stopped.
  • the thread take-off device can 13 cause the further thread take-off, while the bobbin 23 only the thread 21 presented to it by the thread take-off device 13 wound up.
  • the thread 21 in the trigger reaches in the usual way Rest on the driven take-off roller 130.
  • the take-over of the thread take-off by the thread take-off device 13 is by putting on of the previously lifted pressure roller 133 onto the driven take-off roller 130 causes what by releasing the free end 137 of the by the Tension spring 136 or the like. Actuated lever 134 through the lifting element 138 is reached.
  • step S The determination of the times for the thread release by the thread return device 17 and for the insertion of the thread take-off with the aid of the auxiliary drive device 15 and the determination of the acceleration course of this take-off during the piecing process (step S) are carried out in accordance with the default values entered by the operator in the control device (step P ), possibly already in a corrected manner (step V 1 ).
  • the individual individual control devices 30A, 30B, 30C ... corresponding to one by the clock 41 predetermined rhythm from the central control device 4, 4a ... polled cyclically (step J - see Fig. 3 and 4).
  • the individual reacts to this Work place 6, 60 ... or 7, 70 ... by sending an answer (Step L).
  • Step M - Fig. 3 After checking whether there is a response signal (step M - Fig. 3), it is checked in the affirmative case (see plus sign at step M) whether there is a thread break (transition to the piecing cycle - step X - and then step R - see Fig. 4). If this is not the case (see minus sign at step R in FIG. 4), the clock generator 41 specifies Rhythm continues reading requests to the controller in question 30A, 30B, 30C ... delivered.
  • the default values are corrected if the piecer has not yet brought the expected result (step V 1 in FIG. 5).
  • the predetermined rules according to which the setting values are determined can also be changed (step V 2 in FIG. 5). It can be determined whether either the default values (step V 1 ) or the rules (step V 2 ) or whether both the default values (step V 1 ) and the rules (step V 2 ) are to be changed. For this reason, according to FIG. 5, after measuring the piecing failure (step U 1 ), the first question is whether the rules should be changed (step Y).
  • step V 1 ie to a correction of the default values previously entered in step P. If, on the other hand, this question is answered in the affirmative (see plus sign at step Y), it is then asked whether the default values should also be corrected in addition to the rules (step Z). If this question is answered in the affirmative (plus sign in step Z), both a corresponding signal for correcting the default values (step V 1 ) and a signal for correcting the rules (step V 2 ) are triggered. If the question is answered in the negative (minus sign in step Z), only a correction of the rules (step V 2 ), but not the default values (step V 1 ), is initiated.
  • step V 1 and / or the rules according to step V 2 have been corrected, the method continues in the manner as described in connection with FIG. 4. This has been illustrated in FIGS. 4 and 5 by the identification W 2 . If a piecing process has been carried out successfully, the piecer is again measured (step U 1 ) and the necessary corrections are carried out again according to FIG. 5. This transition from the method steps according to FIG. 4 to the method steps according to FIG. 5 has been illustrated by the identification W 3 in FIGS. 4 and 5.
  • auxiliary power source 9 is by means of a Line 91 with the main control device 5 in connection, which the required Provides voltage for the controlled shutdown of the machine or regulates.
  • a voltage monitor is connected to the main control device 5 via a line 510 51 in connection, which is powered by a main power source, e.g. H. the power grid, the voltage supplied is monitored. If the tension falls below a certain predetermined value, so this is from the Main control device 5 registered and the controlled shutdown of the Machine initiated.
  • the speed ratios remain between the components influencing the failure of the thread 21 unchanged, so that this failure of the thread 21 remains unchanged remains. Is monitored during by the timepiece 50 (Fig. 1) Period of time during which those for compliance remain unchanged Guaranteed spinning conditions required speed ratios can be, by the voltage monitor 51 the renewed
  • the presence of a normal voltage is reported, the main control device controls 5 via the central control device 4, 4a ... the individual Control devices 30A ... and possibly 30a ... in such a way that under Maintaining the speed conditions prevailing during the normal spinning process all components back to their operating speeds be started up.
  • the auxiliary power source 9 disabled. This can be done by mechanical decoupling from the Take-off roller 130 or by electrically interrupting line 90 or also happen in other suitable ways, e.g. B. by interruption of data exchange between the various components and the individual control devices 30A ...
  • auxiliary power source 9 instead of or in addition to decommissioning the auxiliary power source 9 that the components are activated by actuating any brakes to be stopped quickly to become more normal after a recurrence Tension relationships to lose as little time as possible, because not only that Leaking of the components must be waited for before piecing can be carried out in the manner described.
  • the component that is being rewound is then replaced by the central one Control device 4, 4a ... off by sending a switch-on signal to the individual control device 30A ... switched on again, with what possibly up to the start of the piecing process itself at the relevant job 6 ... can be serviced.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP00106780A 1999-05-20 2000-03-30 Méthode et dispositif de commande d'un composant d'une machine textile qui comprend plusieurs postes de travail identiques placés côte à côte Expired - Lifetime EP1054086B1 (fr)

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CN108861811A (zh) * 2017-05-10 2018-11-23 里特机械公司 用于将压辊按压到牵引辊上的方法及牵引设备
CN118018350A (zh) * 2024-02-05 2024-05-10 广东联想懂的通信有限公司 软件实现uart-ttl的低成本松耦合总线控制网络方法

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WO2005035843A2 (fr) * 2003-10-16 2005-04-21 Saurer Gmbh & Co. Kg Machine a filer a rotor
WO2005035843A3 (fr) * 2003-10-16 2005-06-23 Saurer Gmbh & Co Kg Machine a filer a rotor
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EP1953648A1 (fr) * 2007-01-31 2008-08-06 Oerlikon Textile GmbH & Co. KG Machine textile produisant des bobines croisées, comprenant des sous-groupes reliés par un bus-machine
US7752831B2 (en) 2007-08-25 2010-07-13 Oerlikon Textile Gmbh & Co. Kg System for activating a rotor drive of an open-end rotor spinning machine
CN106283288A (zh) * 2016-11-15 2017-01-04 江苏普美纺织有限公司 一种转杯纺方法
CN108861811A (zh) * 2017-05-10 2018-11-23 里特机械公司 用于将压辊按压到牵引辊上的方法及牵引设备
CN108861811B (zh) * 2017-05-10 2021-12-28 里特机械公司 用于将压辊按压到牵引辊上的方法及牵引设备
CN118018350A (zh) * 2024-02-05 2024-05-10 广东联想懂的通信有限公司 软件实现uart-ttl的低成本松耦合总线控制网络方法

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