JPH0146428B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a doffing method in an automatic winder.

In an automatic winder that consists of a number of winding units installed in parallel, a conveyor is installed at the back of the unit that automatically doffs a full package that has been wound up to a set amount or length. The applicant previously proposed a device for transferring onto the surface. That is,
As shown in Japanese Patent Application Laid-Open No. 56-132269, there is a device for placing full packages detached from a cradle arm on a belt conveyor provided at the back of a unit, and storing or conveying them.

In such an apparatus, even if a full package signal is issued to a unit in which full packages are stored on the conveyor, doffing may not be possible. That is,
If a new full package is doffed even though a full package is already placed on the belt conveyor, the new full package will be blocked by the already placed package and cannot be placed on the conveyor. Not only that, but it may interfere with the next winding, or if the conveyor is rotated to automatically convey a full package, a certain winding may occur while the conveyor is rotating, that is, while a full package is being conveyed. When the unit doffs, the fully doffed package may collide with the package being transported.
Even if the package cage is accidentally transferred onto the conveyor due to a collision, the posture of the package will collapse, causing problems in subsequent processes.

Furthermore, even if the doffing operation is stopped while a full package is being transported, it takes time for the long conveyor that runs along the multiple units to rotate and the package on the conveyor to be ejected from the automatic winder. Stopping the doffing operation of the winder is extremely inconvenient in terms of operating efficiency of the winder.

The present invention is aimed at solving the various inconveniences mentioned above.It is an object of the present invention to provide a winder that extends along each unit of an automatic winder in which a large number of winding units are arranged in parallel, and that carries a fully wound package and moves it. A package guide path is arranged between the conveyor and the position where the fully wound package leaves the cradle portion of each winding unit, and a stocking member for temporarily stopping the fully wound package at the middle of the guide path is provided in the guide path. It was established.

Embodiments of the present invention will be described below with reference to the drawings.

In Fig. 1, W is an automatic winder having a large number of winding units U arranged in parallel in the direction perpendicular to the plane of the paper. It is equipped with a traversing drum 3 that rotates in contact with each other, a magazine 4 that stores a plurality of pipe yarns, and winding is performed by a known method.

At the back of the unit, that is, when the yarn running path side is the front side, a full package conveyor belt 5 is disposed extending along the unit, and a cradle section 2 is provided at each unit position of the conveyor. A guide path 6 that guides the full package cage to be removed from the release position to the conveyor is connected to the bottom plate 7 and the side plate 8.
It is formed and provided by. The guide path 6 is slightly inclined toward the conveyor 5 side, and has an inclination angle θ sufficient for the full package detached from the cradle portion 2 to roll under its own weight.

Note that a guide bar 9 fixed along the side of the conveyor belt 5 extends across all units, and rolls on the guide path 6 to serve as a stopper and attitude control for the package cage placed on the conveyor belt 5. When the package cage collides with the guide bar 9, the axis of the package cage is made parallel to the rotating direction of the conveyor by using the rebound. The surface and the guide bar 9 are installed and fixed in a non-contact position.

Furthermore, a stocking device 10 is provided at the end of the guide path 6 for temporarily stopping the fully wound package leaving the cradle portion.

The stocking device 10 shown in FIGS. 1 to 3 includes a stocking bar 11 extending along all the units, supporting the stocking bar 11 at appropriate intervals via brackets 12, and itself supported by bearings 14 fixed to a machine frame 13. It is composed of a support bar 15 and the stock bar rotation fluid cylinders 16 provided near both ends of the winder in the longitudinal direction. That is, in FIGS. 2 and 3, a lever 20 that can pivot around a support bar 15 is supported at the lower end of a connecting rod 19 that is connected to a piston rod 18 of a fluid cylinder 16 that is pivotally supported 17 on a machine frame 13. bar 1
5, and a stock bar 11 is connected to the tip of the lever 20, so that a fluid cylinder 16
As a result of this operation, the stock bar 11 pivots between the solid line position in FIG. 2 and the two-dot chain line position 11a, and can be positioned in both of the above positions.

Furthermore, the stock bar 11 is provided at such a position that the arc locus 21 of the stock bar 11 passes through the center of the package 1b stopped by the stock bar 11.

That is, by adjusting the mounting height of the bearing 14 to the machine frame 13 according to the size of the full package 1b and replacing the connecting rod 19 connected to the piston rod 18 with a rod of a different length, the above-mentioned result can be achieved. The position of the stock bar 11 is adjusted.

That is, if the contact position between the stock bar 11 and the package 1b is too low, the length of the lever 20 will become long, and the turning radius will therefore become large.
There is a risk of hitting the upper package cage, and the guide path 6 must be made longer, which is a waste of space.

Furthermore, if the contact position between the stock bar 11 and the package 1b is too high, the package may slip under the stock bar and the surface of the yarn layer of the package may be damaged. is convenient.

Furthermore, the length L of the guide path 6 is determined by the length L of the packages 1a and 1c at both positions between the detached position 1a of the fully wound package from the cradle section and the conveyor 5.
The distance is such that at least one full package can exist between the package 1a and 1c without interfering with the package 1c on the conveyor 5, and the stock bar 11 does not interfere with the package 1c on the conveyor 5 when the stock bar 11 rotates. Containing lengths are advantageous.

Note that doffing of each of the above units is performed by a traveling body 22 shown in FIG. That is, the ceiling rail 2 installed above and along the unit.
A running body 22 is suspended from the wheels 24 and 23 on the wheels 24 and 23, and a doffing mechanism (not shown) provided on the running body 22 moves the fully wound package 1 to the cradle portion 2.
At the same time, the empty bobbin stored in the traveling body 22 is supplied to the cradle section and winding is performed again.

Next, the method of the present invention and the above-mentioned apparatus will be explained.

In FIGS. 4 to 6, each winding unit U1 to
When winding is performed at Un and a certain amount of yarn layer is formed, the fully wound package is detached from the cradle section by the doffing operation described above and falls onto the guide path 6. It rolls under its own weight due to the inclination of the stock bar 11, and then stops at the stock bar 11 position.

FIG. 4 is a plan view showing the state of the stored packages after a certain period of time after the start of winding.
Pn is stored on the guide path 6 of each unit.

In each winding unit, there is a difference in the time required to complete the winding due to various causes such as yarn breakage, number of knots, etc., and this causes a difference in doffing time, resulting in a situation as shown in FIG. 4.

Now, for example, the time T for forming a full package
Assuming that the average time is 60 minutes, the opening time interval t of the stock bar is set in the relationship t<T (for example, t = 50 minutes), and the fluid cylinder 16 in Fig. 2 is activated every 50 minutes using a timer. set to work.

FIG. 5 shows a state in which the packages P1 to Pn stored in the state shown in FIG. The packages P1 to Pn, which were stocked by turning to the two-dot chain line position 11a,
The package further rolls on the inclined guide path 6 and is discharged onto the conveyor 5, collides with the guide bar 9, rebounds, and is placed on the conveyor 5 so that the rotating direction of the conveyor 5 and the axis of the package are parallel. placed.

The guide plate 25 supporting the conveyor 5 is formed with inclined surfaces 26 and 27 extending from both side edges toward the center, so that the package can be positioned at the center of the conveyor. Therefore, the doffed package does not roll all at once from the release position from the cradle onto the conveyor, but is immediately stopped and stocked by the intermediate stock bar 11, which prevents the package from colliding with the guide bar 9. In the case of a cone package which can be turned around and is more likely to meander than the illustrated cheese package, the posture of the cone package can be controlled by the stock bar 11, and the cone package can be smoothly discharged along the guide path 6.

For the packages P1 to Pn discharged onto the conveyor 5 in this way, the drive switch of the conveyor is turned on manually or automatically, the conveyor 5 rotates in the direction of arrow 28 in FIG. 5, and the packages P1 to Pn are transferred. The conveyance continues if the operator stores the packages one by one in a box at the end of the conveyor, or if a conveyance path for the packages is provided.

While the conveyor 5 is rotating, the stock bar 11 returns to its original position (solid line position in FIG. 2) as shown in FIG. 6, and stores the packages Pr doffed during package transportation.

A time chart of the above operation is shown in FIG. Winding time axis A and stock bar 11 opening time axis B
is taken as the horizontal axis, and the solid line c in each winding unit U1 to U5 indicates the time during winding, and the doffing operation is performed in the gap S between the solid lines, and the doffed full package is placed on the guide path 6. The time stored in is shown by the broken line r.

For example, in the winding unit U1, winding is started, the winding becomes full after a time T, a doffing operation is performed during a time S after the full winding signal is issued, and the winding is restarted again.

The doffed packages are stored for a time r by the stock bar 11 on the guideway, and at the opening time R2 of the stock bar, the stock is released and discharged onto the conveyor.

The same goes for the other units, but since the doffing time differs for each unit, the time r during which full packages are stored on the guideway varies depending on each unit, and also for each unit depending on the doffing time and stock bar. Although it differs depending on the opening time of the guideway, there are two
No more than one full package is stored. That is, the opening time interval t of the stock bar 11
is smaller than the time T required for full winding, so the time t
This is because doffing is not performed more than once within a given period.

Therefore, one automatic winder W has, for example, 60
Assume that the unit is composed of units, and the full winding time T is 60.
If the opening time interval t of the stock bar 11 is 50 minutes, the stock bar 11 is opened every 50 minutes and 50 to 60 full packages are discharged onto the conveyor 5 and conveyed.

In the above embodiment, the stock member is a stock bar that passes through all the units, but for example, a slit is formed in the middle of the guide road surface, and a plate that appears and retracts onto the guide road surface through the slit is inserted along all the units. It is also possible to operate in the same manner as in the previous embodiment using a driving source such as a provided fluid cylinder.

Furthermore, by cutting the above-mentioned stock bars into multiple units and providing a drive source that operates each stock bar separately, it is possible to discharge packages of different types with different numbers, colors, etc. onto the conveyor without mixing them. .

That is, in a winder in which one automatic winder is divided into sections each having a plurality of units, and each section winds different types of yarn, the stock bar is provided independently for each section.
When activated, packages of the same type can be discharged onto the conveyor all at once, and packages of different types can also be conveyed without being mixed together.

As described above, in the present invention, a transport conveyor extends along each unit of an automatic winder in which a large number of winding units are arranged side by side, and carries a fully wound package and moves it, and a conveyor that carries a fully wound package from the cradle of each winding unit. A guide path for the package is provided between the positions where the package leaves the package, and a stocking member is provided to temporarily stop the fully packaged package at the middle of the guide path, so that the fully packaged package doffed from the cradle can be immediately stocked. Since the parts are stored at the part position and discharged onto the conveyor at regular intervals, the parts are not randomly discharged directly onto the conveyor from individual units, and therefore do not collide with packages already placed on the conveyor. There is no need to stop the automatic doffing device while the conveyor is rotating, and the operating efficiency of the doffing device increases as well as the winding efficiency of the winder, which is particularly effective in automatic winders having an automatic doffing device. Furthermore, the fully wound package does not roll directly from the cradle onto the conveyor, but rather stops at one point along the guide path and then rolls onto the conveyor along the remaining guide path, making it easier to control the package posture. This method has various effects such as being able to reduce the impact of the surface of the yarn layer when it is transferred onto the conveyor, and preventing the surface of the yarn layer from being damaged or deformed.

Further, the packages that are taken out from the winding unit at random time intervals are stored by a stock bar that extends to all units until a substantially constant number of packages is reached. Therefore, the number of packages that are transferred onto the conveyor by opening and closing the stock bar at regular intervals is approximately constant, and the processing of packages transported by the conveyor can be carried out efficiently, and there is no need for operators to constantly prepare for carrying out the packages. It is also possible to be in charge of multiple winders.

[Brief explanation of drawings]

Fig. 1 is a schematic side view of a winder to which the present invention is applied, Fig. 2 is a side view showing an embodiment of a doffing device embodying the present invention, Fig. 3 is a rear view of the same part, and Figs. Figure 6 is a schematic diagram showing the operation of the device, Figure 7
The figure is the same time chart. W... Automatic winder, U1~Un... Winding unit, 1a~1c... Full package, 2...
Cradle portion, 5... Conveyor, 6... Guide path, 10... Stock device.

Claims (1)

[Claims] 1. A transport conveyor that extends along the above-mentioned units of an automatic winder in which a large number of winding units are arranged side by side and carries a fully wound package thereon, and a position where the fully wound package leaves the cradle of each winding unit. A package guide path is provided between the winder and the winder, and a storage device is provided for temporarily stopping the fully wound package at a point along the guide path. and a drive source for a stock bar that moves the stock bar to the open position at time intervals slightly shorter than the average time required to fully wind one package. A doffing method in an automatic winder, characterized in that, after storing fully wound packages by the stock bar until a substantially constant number of packages is obtained, the packages are transferred onto the conveyor at any time.