Textile machine for producing cross-wound bobbins
阅读说明:本技术 生产交叉卷绕筒子的纺织机器 (Textile machine for producing cross-wound bobbins ) 是由 E·普雷迪格尔 迈克尔·斯皮策 H·托普克 J·斯普雷彻 P·切费尔斯 沃尔夫冈·德尔纳 于 2020-04-17 设计创作,主要内容包括:本发明涉及一种生产交叉卷绕筒子的纺织机器,其在两个机器纵向侧具有多个工作站,并且配备有布置在机器端侧的筒管库,筒管库具有多个空筒管输送排,空筒管输送排能够由电动机驱动并且能够装载不同纱线批次的空筒管。为了避免空筒管输送排的迄今为止由筒管库的构造限定的固定分配,以及因此纱线批次管理的有限变化,本发明提供了一种配备有电驱动器的空筒管输送排,电驱动器连接至纺织机器的控制单元,机器控制系统设计成使得能够通过软件设定不同的批次管理程序。(The invention relates to a textile machine for producing cross-wound bobbins, which has a plurality of work stations on both machine longitudinal sides and is equipped with a bobbin magazine arranged on the machine end side, which has a plurality of empty bobbin transport rows that can be driven by an electric motor and can be loaded with empty bobbins of different yarn batches. In order to avoid the fixed distribution of the empty bobbin transfer rows, defined so far by the construction of the bobbin magazine, and therefore the limited variation of the yarn batch management, the invention provides an empty bobbin transfer row equipped with an electric drive connected to the control unit of the textile machine, the machine control system being designed so as to enable different batch management programs to be set by software.)
1. A textile machine (1) for producing cross-wound bobbins, which has a plurality of work stations (5) on both machine longitudinal sides and is equipped with a bobbin magazine (3) arranged on the machine end side, the bobbin magazine (3) having a plurality of empty bobbin transport rows (12), the empty bobbin transport rows (12) being drivable by an electric motor and being able to be loaded with empty bobbins (7) of different yarn batches,
it is characterized in that the preparation method is characterized in that,
the empty bobbin transfer row (12) is equipped with an electric drive (13, 20), the electric drive (13, 20) being connected to a control unit (14) of the textile machine (1), the control unit (14) being configured to enable different batch management programs to be set by software.
2. A textile machine (1) for producing cross-wound bobbins as claimed in claim 1, characterized in that the batch management program of the control unit (14) can be set for different numbers of yarn batches.
3. A textile machine (1) for producing cross-wound bobbins as claimed in claim 1 or 2, characterized in that the empty bobbin transport row (12) of the bobbin magazine (3) can be assigned to a specific predeterminable yarn batch by means of the batch management program.
4. A textile machine (1) producing cross-wound bobbins as claimed in any of the preceding claims, characterized in that the electric drive (13, 20) of the empty bobbin transport row (12) is controlled by the control unit (14) according to the set batch management program.
5. A textile machine (1) producing cross-wound bobbins as claimed in any of the preceding claims, characterised in that each of the empty bobbin transport rows (12) of the bobbin magazine (3) has an electric drive (13), which electric drive (13) is designed as a separate drive and is connected to the control unit (14) of the textile machine (1).
6. A textile machine (1) producing cross-wound bobbins as in any of the claims 1 to 4, characterised in that a plurality of the empty bobbin transfer rows (12) and in particular two empty bobbin transfer rows (12) have a common electric drive (20) which is connected to the control unit (14) of the textile machine (1).
7. Textile machine (1) according to any one of the preceding claims, wherein the electric drive (13, 20) for the empty bobbin transport row (12) is designed as a stepping motor.
Technical Field
The invention relates to a textile machine for producing cross-wound bobbins, comprising a plurality of work stations on both longitudinal sides of the machine and equipped with a bobbin magazine arranged on the machine end side, which has a plurality of empty bobbin transport rows (Transportreihen) which can be driven by an electric motor and can be loaded with empty bobbins of different yarn batches.
Background
Textile machines of this construction which produce cross-wound bobbins have been known for a long time in various embodiments and are described in detail in numerous patent applications in many cases.
For example, EP0916614B1 or EP0262726a2 disclose textile machines for producing cross-wound bobbins, which are each equipped with a magazine arranged at the machine end.
EP0916614B1 describes an automatic winder equipped with a cartridge magazine positioned at the end side of the machine, the cartridge magazine having a cartridge delivery device for transferring empty cartridges to an empty cartridge transport device along the length of the machine, and having a storage device for receiving a plurality of empty cartridges. The storage unit has several storage columns arranged alongside one another, each storage column having several loading chutes for empty bobbins, the loading chutes being arranged one above the other, the storage unit being fastened to the central unit such that the storage unit can be easily replaced. As such, the bobbin delivery device is equipped with a vertically movable clamping carriage equipped with at least one controllable bobbin clamping element and positionable so that empty bobbins stored in the storage columns of the storage unit can be transferred in a targeted manner to an empty bobbin conveying device of the automatic winder, which extends along the length of the machine.
However, the known device is rather complex and sensitive in its construction, being severely limited in size by its memory unit being replaceably fixed to the central unit. This means that the storage unit disclosed in EP0916614B1 is not very suitable for open-end rotor spinning machines which have a plurality of work stations on both longitudinal sides of the machine, which must be continuously supplied with tip-oriented empty bobbins.
EP0262726a2 also describes a textile machine for producing cross-wound bobbins, which has a similar storage device. This known automatic winder likewise has a cartridge magazine on the machine end side. The bobbin magazine comprises one or more storage devices arranged one behind the other, each connected via a bobbin chute to an empty bobbin conveyor belt running along the length of the machine. The storage devices each have an endless traction mechanism arranged in a cyclic, sinusoidal manner, the housing mandrels for the empty bobbins being attached to an endless traction element. During the winding operation, the empty bobbins stored on the carriage are transferred to a tube transfer position, where they are transferred by means of a bobbin slider to an empty bobbin conveyor belt, which delivers the empty bobbins to the work station.
As indicated above in connection with EP0916614B1, the device disclosed in EP0262726a2 is also not very suitable for a textile machine for producing cross-wound bobbins, which has a plurality of work stations on both longitudinal sides of the machine, which must be continuously fed with empty bobbins oriented at the tips.
DE19905856a1 describes an open-end rotor spinning machine which has a plurality of work stations between its end frames on both longitudinal sides of the machine, on the machine end side of which there is a cartridge magazine. Each work station usually has a spinning device and a downstream winding device, and these work stations are connected to the bobbin storage by an empty bobbin conveying device. This means that during the spinning operation, the workstation is supplied with new empty bobbins by means of the empty bobbin conveyor belt, which are transported in a tip-oriented manner and handled by the service unit.
A central magazine arranged at the machine end side having several conveyor chains arranged adjacent to each other in side view and equipped with receiving mandrels; these conveyor chains are coupled by means of shafts and are driven by a common motor. The empty bobbins held ready on the receiving mandrels of the bobbin magazine are transferred by "bobbin sliders" to an endless circulating grooved belt, which can be cyclically controlled and subsequently advance the empty bobbins to a bobbin rotator or downstream tube transfer position.
The known device allows relatively quick and reliable feeding of the tip-oriented empty bobbin to the work stations of the open-end rotor spinning machine arranged on both longitudinal sides of the machine. However, this device is rather inflexible, in particular due to the common drive of the transport chains of the magazine. This means that the apparatus described in DE19905856a1 cannot process several yarn batches simultaneously on an open-end rotor spinning machine.
In practice, therefore, the above-described apparatus has been modified so that several conveying and storage chains, which can be driven by independent motors, are installed in the area of the magazine. This means that the bobbin magazine has several, for example twelve, conveying and storage chains for empty bobbins, which are arranged next to one another. In each case, the conveying and storage chains 1 to 4, the conveying and
A cartridge constructed in this way does allow the simultaneous production of different yarn batches, but such an improved embodiment of the cartridge has the obvious drawback that the variation of the batch management is limited by the design of the cartridge. This means that, unless adaptation measures are taken, up to four yarn batches can be produced simultaneously using a bobbin magazine configured as described above.
Disclosure of Invention
Starting from the prior art described above, the object of the present invention is to improve a textile machine for producing cross-wound bobbins, which has a plurality of work stations on both machine longitudinal sides and is equipped with a bobbin magazine arranged on the machine end side, which has a plurality of empty bobbin transfer rows which can be driven by an electric motor and can be loaded with empty bobbins of different yarn batches, such that a variable yarn batch management is provided with respect to the bobbin magazine without any change to the structure of the bobbin magazine.
According to the invention, this problem is solved in that: the empty bobbin delivery row is equipped with an electric drive connected to a control unit of the textile machine, the control unit being configured to enable different lot management programs to be set by software.
The design according to the invention has, inter alia, the following advantages: if necessary, different batch management programs for the empty bobbin transfer rows of the bobbin magazine can be set quickly and easily at the control unit. This means that, in a textile machine for producing cross-wound bobbins, the bobbin magazine of the textile machine is configured according to the invention, not only is it possible to produce a plurality of different yarn batches simultaneously, and accordingly to control the drive of the empty bobbin transport row via the control unit, but also, if required, to adapt the operation of the bobbin magazine to the changed batch management program without difficulty. Adapting to a new batch management program can be performed simply by adapting the control program of the control unit accordingly. In this regard, the cartridge library need not be structurally altered. The control unit can be designed as a machine control system. The control unit can also be formed by one or more workstation control systems or the control system of the service unit. A high-level computer that manages a plurality of textile machines simultaneously can also be used as a control unit.
Preferably, the batch management program of the control unit can be adapted to suit different numbers of yarn batches. By means of the batch management program, it is possible to assign preferably an empty bobbin transport row of the bobbin magazine to a specific predeterminable yarn batch.
According to an advantageous embodiment, the electric drive of the empty bobbin transfer row is controlled by the control unit according to a set batch management program.
This means that with the bobbin magazine according to the invention, the bobbin magazine has, for example, twelve individually motor-driven empty bobbin transport rows, all of which can be loaded with empty bobbins of different yarn batches in a first operation, if required.
In the subsequent operation, the bobbin magazine can be loaded with, for example, empty bobbins of four different yarn batches without any switching work being carried out, in which case, for example, four empty bobbins carry the empty bobbin loaded with yarn batch a in rows, four empty bobbins carry the empty bobbin loaded with yarn batch B in rows, two empty bobbins carry the empty bobbin loaded with yarn batch C in rows, and two empty bobbins carry the empty bobbin loaded with yarn batch D in rows. Advantageously, each empty bobbin transport row of the bobbin magazine is loaded with an empty bobbin of a specific predeterminable yarn batch. This arrangement ensures that the correct empty bobbin will always be fed quickly and reliably when the station signals a request.
The adjacent empty bobbin conveying rows of the bobbin storage can be respectively loaded with empty bobbins of different yarn batches. This arrangement makes it possible to produce different yarn batches simultaneously on a textile machine producing cross-wound bobbins, ensuring that each work station of the textile machine is always supplied with the requested empty bobbin quickly and reliably by means of a batch management program which can be set by software.
Preferably, each empty bobbin conveying row of the bobbin magazine is equipped with an individual drive, which is designed as an individual drive and is connected to the control unit of the textile machine. Such an embodiment enables a safe operation of a textile machine for producing cross-wound bobbins, which has a plurality of work stations on both machine longitudinal sides and is equipped with a bobbin magazine on the machine end side, in a simple and reliable manner. The bobbin magazine has empty bobbin transport rows, each empty bobbin transport row being loaded with empty bobbins of a specific yarn batch. This means that, by appropriately controlling the empty bobbin transfer rows of such a bobbin magazine, it is relatively easy to ensure that the work station is always supplied with empty bobbins of the requested yarn batch.
However, in an alternative embodiment, it is also possible that a plurality of empty bobbin transfer rows of the bobbin magazine have a common drive connected to the control unit of the textile machine. This means that in the case of textile machines which produce cross-wound bobbins, a large number of dense yarn batches are usually produced on the textile machine, which means that empty bobbins of the same yarn batch are always required to be used at a plurality of workstations of the textile machine, and the design of the bobbin magazine can be simplified and thus made more economical due to the presence of such a common drive. In this case, of course, all the empty bobbin transfer rows combined into one transfer unit are loaded with empty bobbins of the same yarn batch. The use of a common drive for two empty bobbin banks represents a particularly advantageous compromise between design complexity and batch management flexibility.
In an advantageous manner, the drive for the empty bobbin supply row is designed as a stepping motor. Such stepping motors are mass-produced components which are commercially available at low cost and have proven themselves as drives in textile machine constructions in various fields of application. Such stepping motors are characterized in that, for example, the rotational angle of their rotor can always be set precisely without great control complexity.
Drawings
Further details of the invention can be taken from the following examples, which are illustrated with reference to the drawings.
In the drawings:
fig. 1 shows a schematic plan view of a first embodiment of a bobbin magazine which is arranged on the machine end side of a free-end rotor spinning machine and is equipped with an empty bobbin transport row with individual drives which are connected to a control unit of a textile machine producing cross-wound bobbins, which control unit is designed according to the invention,
FIG. 2 shows a schematic plan view of a further embodiment of a bobbin magazine arranged on the machine end side of an open-end rotor spinning machine, in which case some empty bobbin transport rows are combined into a transport unit with a common motor, and
fig. 3 shows a sectional view of a cartridge magazine arranged on the machine end side of an open-end rotor spinning machine and connected to a control unit of the textile machine, viewed from the front side of the open-end rotor spinning machine.
List of reference numerals
1 open-end rotor spinning machine
2 bobbin dispensing apparatus
3 bobbin storeroom
4 end frame
5 working station
6 Cross-wound bobbin
7 empty bobbin
8 cross-wound bobbin conveying equipment
9 bobbin conveyer belt
10 service unit
11 track structure
12 empty bobbin conveying row
13 Individual drive
14 machine control system
15 bobbin containing core shaft
16 bobbin carriage
17 track
18 bobbin holder
19 transport unit
20 driver
21 empty bobbin conveyer belt
22 control line
23 keyboard
Detailed Description
Fig. 1 shows a first exemplary embodiment of a
Each work station 5 (as is usual and therefore not shown in detail) has a spinning device and a downstream winding apparatus, the
This service situation exists, for example, if a
Such an open-end rotor spinning machine 1 also has a so-called cross-wound
Such open-end rotor spinning machines 1 are usually also equipped with an empty bobbin supplying device which essentially comprises a
The
As can be seen in particular in fig. 3, a plurality of empty
In the present exemplary embodiment, the
The embodiment according to fig. 2 differs from the embodiment according to fig. 1 primarily in that at least some of the empty
The
Fig. 3 shows a sectional view of a
It can be seen that a
In the first embodiment, each empty
The
If necessary, the
The function of the device (explained using the embodiment in fig. 1):
before each start of operation, the
Furthermore, the
When a new
The empty
The exchange cycle of the cross-wound bobbin/empty bobbin is thus completed and the spinning process can be restarted at the
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