JP2554272B2 - Textile machine doffing method and apparatus - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a doffing method and apparatus for a textile machine. More particularly, the present invention relates to a method and a device for running a doffing cart along a textile machine in which a number of workstations are arranged in a longitudinal direction of a machine base to doff a package from the textile machine.

Drawing false twisting machine (DTY machine), draw twister (DT machine),
2. Description of the Related Art In a textile machine such as a twisting machine, a plying machine, a rewinding machine, and a yarn winding machine, a large number of work stations are continuously arranged in the machine base longitudinal direction. When the package is wound by such a winding machine, the full-wrapped package is doffed, an empty bobbin is mounted thereafter, and the winding is further continued.

[Conventional technology]

Running a doffing dolly along a textile machine in which a number of workstations are connected in the longitudinal direction of the machine base, and using the doffing dolly to doff the textile machine workstation and mount an empty bobbin to the workstation. Has been performed conventionally (for example, in
59-92873).

In a conventional doffing cart doffing method, the doffing cart travels in front of the doffing workstation, and the yarn focusing means provided in the doffing cart focuses the yarn being processed on the textile machine. After focusing, the yarn is sucked by the yarn suction means provided on the doffing carriage or the textile machine, and when the doffing carriage reaches the front of the workstation to be processed, the braking means of the doffing carriage brakes the yarn winding means of the workstation. After the yarn winding means has stopped, the doffing carriage doffing means lifts up the full-winding package of the yarn winding means, then the doffing carriage empty bobbin mounting means mounts the empty bobbin on the workstation, and the doffing carriage thread By hanging means It is continuing the winding of the yarn by over a yarn fibers machine to wear the empty bobbin.

[Means for solving the problem]

In the conventional doffing device as described above,
At the work station for yarn processing,
Each step of braking the doffing package, doffing, mounting an empty bobbin, and threading on the empty bobbin is performed sequentially in time. As the processing speed of textile machines becomes faster,
It takes a relatively long time to brake the full-wrapped package, so the braking of the full-wrapped package can be performed before the doffing trolley reaches the front of the work station to be thread processed and before the doffing operation is started. Takes a long time for
It takes time to fried at each workstation,
As an example, it takes about 60 seconds. Therefore, there is a problem that it takes a long time to doff the entire textile machine equipped with a large number of workstations.

[Object of the Invention]

The present invention has been made in view of the above problems, and an object of the present invention is to provide a doffing method and apparatus for a textile machine capable of dramatically reducing the time required for the doffing process.

[Means for solving the problem]

In the present invention, in a method of running a doffing dolly along a textile machine in which a number of workstations are continuously arranged in the longitudinal direction of a machine base and performing the doffing from the workstation of the textile machine by the doffing dolly, the doffing A means for braking the yarn winding means of the workstation and a means for doffing from the yarn winding means are provided at least at a distance from the adjacent workstations on the carriage, and the braking means is forward when viewed in the traveling direction of the doffing carriage. The doffing trolley is provided to achieve the above object by a doffing method of a textile machine in which braking of the yarn winding means and doffing from the yarn winding means are performed substantially simultaneously at a plurality of different workstations.

Further, in the present invention, as a device for achieving the above method, in a dolly that runs along a textile machine in which a large number of workstations are continuously arranged in the longitudinal direction of a machine base and performs doffing from the textile machine, The carriage includes means for braking the yarn winding means of the workstation and means for doffing from the yarn winding means of the workstation, the braking means being in front of the doffing means when viewed in the running direction of the doffing cart. And the braking means and the doffing means are arranged on the doffing dolly at intervals of a substantially integer multiple of the distance between the workstations, and the braking means and the doffing means are A doffing device for a textile machine is provided that includes control means that operate at substantially the same time.

[Work]

In the present invention, the arrangement of the means for braking the processing weight of the workstation and the means for doffing the yarn processing weight of the workstation has a special relationship. That is, when viewed in the running direction of the doffing dolly, the braking means is provided in front of the doffing means, and
The distance between the braking means and the doffing means is set to a value that is substantially an integral multiple of the distance between the workstations of the textile machine. Further, it includes control means for simultaneously operating the braking means and the doffing means.

For this reason, according to the invention, the braking means and the doffing means of the doffing trolley can be located in front of a plurality of workstations of the textile machine at the same time. That is, the braking means is in front of the first workstation of the textile machine, and the yarn hooking means is in front of the second workstation behind the first workstation in the running direction of the doffing carriage. Position it.

In this state, the braking means operates to brake the yarn winding means of the first work station. At the same time, at the second workstation, doffing means can be used for doffing.

With the doffing finished, the doffing dolly moves to the next workstation and positions the doffing means in front of the yarn winding means already braked by the braking means.
By this doffing means, doffing can be performed.

On the other hand, the braking means is located in front of the new yarn winding means, and the new yarn winding means can be braked in parallel with the doffing of the adjacent weight by the doffing means.

That is, in the present invention, the braking of the yarn winding means of the workstation and the doffing operation of the yarn winding means of another workstation can be performed in parallel. Therefore, the time required for the doffing process can be greatly shortened. As an example, what used to take 60 seconds was 30
Can be reduced to seconds.

Therefore, according to the present invention, the time required for doffing from a textile machine can be greatly shortened.

〔Example〕

Hereinafter, embodiments of the present invention applied to a draw false twisting machine will be described in detail with reference to the drawings.

The drawing false twisting machine to be processed according to the present invention is provided with a large number of workstations 1 between the drive end and the control end of the machine base. A feed roller 2, a delivery roller 3, and a heater 4 for drawing a synthetic synthetic fiber yarn and false-twisting at the same time or subsequently.
A false twisting device 5 and the like are provided. Tracks 11 and 12 for running the automatic doffer 10 are laid on both sides of the machine base of the textile machine.

In each work station of the textile machine processed in this embodiment, the winding means 5 is provided in multiple stages, and each winding means 5 is provided between bobbins between cradle (not shown) consisting of a pair of arms.
21 is held rotatably, this bobbin is pressed against a drive roller (not shown) to rotate, and the yarn traversed by a traverse device 22 or the like is wound on the bobbin 21 to form a yarn package.
Form 23.

The doffing dolly 10 of the present invention includes a motor (not shown).
The vehicle is driven by wheels 13 that are driven along the machine base of the fuel machine, and a traveling motor and a travel control device (not shown) are housed inside the machine base. Doffing trolley
In 10, for example, as described in JP-A-59-92873, yarns that have been treated by a textile machine are bundled,
The suction means (not shown) provided on the textile machine side, or the yarn collecting means 14 for sucking the suction means provided on the doffing device, and the cradle arm on the textile machine side are lifted to be built into the cradle arm. The braking means 15 is adapted to brake the full-wrap package held by the cradle arm by the brake being held, and the full-wrap package held by the cradle arm is provided on the machine base or the like by tilting the lifted cradle arm. An empty bobbin between the doffing means 16 and the cradle arm of the cradle means for doffing on a predetermined saucer (not shown).
Empty bobbin mounting means 17 for supplying empty space 24 between the cradle arms by supplying 24 and returning the cradle arm to a predetermined position, and a thread hook for hooking the empty bobbin 24 mounted on the cradle arm. Means etc. are provided.

Here, in the present invention, the arrangement of the braking means (cradle lifting means) 15, the other doffing means 16, the empty bobbin mounting means 17, etc. has a special relationship.

That is, the braking means 15 is located in front of the doffing means (cradle returning means) 16 as viewed in the traveling direction of the doffing cart 10 (see FIG. 1), and the distance between the doffing means 16 and the braking means 15 is increased. Is set to be substantially an integral multiple of the distance between workstations. That is, in the embodiment shown in FIG. 1, the cradle lifting means 15 and the cradle returning means 16 are installed at intervals substantially equal to the intervals of the workstations. The yarn collecting means 14 is provided corresponding to the cradle lifting means 15, and the cradle returning means is also provided.
An empty bobbin attaching means 17 is provided corresponding to 16.

Further, the yarn collecting means 14, the braking means 15, the doffing means 16 and the empty bobbin inserting means 17 of the present invention are connected to a microcomputer type controller (not shown), as will be described below. Controlled and activated.

The operation of the doffing dolly of the present invention thus arranged will be described with reference to FIG. First, while the doffing carriage 10 is running, the yarn collecting means 14 collects the yarns of the first row, and the braking means 15 lifts the cradle arms of the first row to brake the yarn winding means of the first row. The doffing trolley 10 is further run, and the yarns of the second row are collected and sucked by the yarn collecting means. Cradle lifting means when the doffing cart 10 is stopped in front of the textile machine
15 is located in front of the second row workstation, while the cradle returning means 16 is the first row workstation which is behind the second row workstation in the running direction of the doffing dolly. Located corresponding to.

In this state, the cradle lifting means 15 in the second row and the cradle returning means 16 in the first row are simultaneously operated in parallel by the controller described above.

By actuating the cradle lifting means 15 to lift the second row of cradle, the fully wound package 23 (FIG. 3) held between the cradle arms is braked by the conventionally known means incorporated in the cradle. .

On the other hand, when the doffing cart is stopped, the cradle returning means 16 located in the second row workstation is actuated, and the full-wrapped package 23 between the cradle that has already been braked is used as the package tray of the draw twisting machine. After the doffing, the empty bobbin 24 is mounted between the cradle fried by the empty bobbin attaching means 17.

Next, thread hooking means mounted on the doffing cart 10 hooks the empty bobbin 24 mounted between the cradle arms.

After the threading is completed, the doffing cart 10 moves by the distance between the workstations. As a result, the cradle returning means 16 and the empty bobbin attaching means 17 are moved to the front surface of the second row of workstations braked by the cradle lifting means 15, while the cradle lifting means 15 is moved to the second row of workstations. Move to the front of the new adjacent (third row) workstation and repeat the above described operation.

The full-wrapped packages fried in the package saucer are collected manually or by another machine.

〔The invention's effect〕

As described above, in the present invention, the braking of the yarn winding means of the workstation by the doffing cart, the doffing cart doffing from the yarn winding means of the workstation, the mounting of the empty bobbin, and the thread hooking operation are performed in parallel. It can be done (hatched part in Fig. 4).

Therefore, as shown in FIG. 5, the time required for the doffing process is long as compared with the case where the doffing cart is used for braking and then the doffing, empty bobbin mounting, and thread hooking are sequentially performed at the same workstation. The width can be shortened, and the stop time of the machine that stops due to the doffing process is greatly reduced. Therefore, by adopting the doffing cart of the present invention, the productivity of the textile machine such as the drawing false twisting machine is greatly improved.

[Brief description of drawings]

FIG. 1 is a schematic front view of a doffing cart according to the present invention,
FIG. 2 is a side view of the doffing trolley shown in FIG. 1, FIG. 3 is a side view of a drawing false twisting machine processed according to the present invention, and FIG.
FIG. 5 is a process diagram for explaining a doffing process of the present invention, and FIG. 5 is a process diagram for explaining a conventional doffing method. 10 ...... Doffing cart, 14 ...... Yarn focusing means, 15 ...... Braking means (cradle lifting means), 16 ...... Doffing means (cradle returning means), 17 ...... Empty bobbin mounting means.

Claims (2)

(57) [Claims] 1. A method of running a doffing dolly along a textile machine in which a number of workstations are connected in a longitudinal direction of a machine base, and performing the doffing from the workstation of the textile machine by the doffing dolly.
A means for braking the yarn winding means of the workstation and a means for doffing from the yarn winding means are provided at a distance from at least the adjacent workstations on the doffing carriage and the braking means is viewed in the traveling direction of the doffing carriage. A doffing method for a textile machine, wherein the doffing trolley provided at the front is configured to perform braking of the yarn winding means and doffing from the yarn winding means substantially simultaneously at a plurality of different workstations. 2. A bogie that runs along a textile machine in which a number of workstations are arranged in series in the longitudinal direction of a machine base to perform doffing from the textile machine, wherein the bogie has a yarn winding means of the workstation. A braking means and a doffing means from the yarn winding means of the workstation, the braking means being located in front of the doffing means when viewed in the traveling direction of the doffing carriage, the braking means and the doffing means The means is disposed on the doffing carriage at a distance that is substantially an integer multiple of the distance between the workstations, and includes a control means that operates the braking means and the doffing means substantially at the same time. A doffing device for a textile machine, which is characterized in that