JPH11228028A - Winding unit for winding yarn in particular - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a winding unit which can be easily and inexpensively automatized in operations for setting or removing a reel and bobbin, and is simple in structure and high in using ability and reliability. SOLUTION: A winding unit for winding a yarn has a winding head equipped with a device for guiding and cutting the yarn and two support parts, namely flanges 11, 13 and base flanges 19, 21. Each support part rotatably supports the reel 25 suitable for winding the yarn in order to form a bobbin. This winding head has two winding positions, and each support part has a position for supporting the reel 25 for winding the yarn and a release position for removing a full bobbin to set a new reel.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a winding unit for winding a yarn.

A problem that is strongly felt in the production of synthetic yarns is that the yarns produced by the machine are wound quickly at very high speeds (on the order of 6 m / s) and the bobbins of the yarns are loaded efficiently and quickly. It is necessary to get rid of it.

[0003]

BACKGROUND OF THE INVENTION The most effective winding units currently available on the market consist of a rotating turret that supports a pair of horizontal spindles in a cantilever manner. Cardboard reels are fitted to each spindle, and yarns are alternately wound on reels on one spindle, bobbins are removed from the other spindle, and new reels are loaded.

[0004] This type of winding unit is capable of winding the yarn efficiently, but has the great disadvantage that the loading and unloading of the reel and bobbin of the yarn does not allow easy operation automation. In fact, the bobbin must be removed from the spindle outside the turret feature, either manually by an operator or by a robot, in order to allow the insertion of a new reel on the spindle.

[0005] Manual loading and unloading operations have the disadvantage of requiring the presence of an operator to maintain a bobbin unloading area outside the machine feature, which is largely the weight of the full bobbin, It is clear that this makes it difficult to handle the bobbin.

[0006] Although robots can perform these operations, they have the major disadvantage that they are very expensive.

Another disadvantage of this type of winding unit is that due to the cost of the spindle, this spindle is precision manufactured with the best materials so that it can withstand considerable weight and high rotational speeds in a cantilevered state. There is a need to.

[0008]

It is an object of the present invention to provide a winding unit which overcomes the above disadvantages of the prior art cited.

It is an important object of the present invention to provide a winding unit that allows easy and inexpensive operation automation for loading and unloading reels and bobbins.

Yet another object is to provide a winding unit that is structurally simpler.

Still another object is to provide a winding unit which is highly reliable in use.

Yet another object is to provide a winding unit that releases a full bobbin in a machine feature.

[0013]

The above objects, objects and other objects which will become apparent hereinafter are achieved by a winding unit as defined in the appended claims.

[0014]

BRIEF DESCRIPTION OF THE DRAWINGS Further characteristics and advantages will become apparent from the description of a preferred but not exclusive embodiment of the invention, given only by way of non-limiting example in the accompanying drawings, in which: FIG.

With reference to the above figures, a winding unit according to the present invention, particularly for winding yarns (generally indicated by reference numeral 1), comprises a winding head constituted by a rotating turret 3 having a base plate 5. The base plate supports a pair of struts or rods (or similar support structures 7), which in turn support end plates 9. The end plate 9 is provided with an operating system, for example, pneumatic cylinders 15 and 17
It includes at least two flanges 11 and 13, each of which can be moved axially. Each movable flange 11 and 13 is located opposite a respective base flange 19 and 21 disposed on the base plate 5 of the rotating turret. The base flanges 19 and 21 can be axially movable, for example by means of a pneumatic actuation system. The two flanges 11 and 19 form a first support 23 for the reel 25 and the two flanges 13 and 21 form a second support 27 for the other reel 25.

In a manner known per se, the reel 25 is constituted by a cardboard cylinder suitable for supporting the wound yarn 29.

Each of the supports 23 and 27 has a motor (3
1 and 33), the motor being adapted to rotate the supports 23, 27 to wind the yarn fed on the reel in a position relative to the flange.

Preferably, the winding unit according to the invention comprises a magazine means constituted by a casing 37 suitable for accommodating a plurality of reels 25 and is arranged on a support 23 or 27 in the release position. Lower opening 3
9 is included. An opening 39 is formed on the vibrating part 41 of the magazine which sets at least two positions: a position for opening the reel, where the opening 39 is adjacent to the support 23 or 27 (FIG. 5). , And a non-feeding position in which the opening 39 and the magazine are spaced from the support 23 or 27 to allow rotation of the turret 3 suitable for moving the full bobbin from the winding position to the release position (FIG. 4).

A holding member 43 is provided in the opening 39 and is adapted to hold the reel 25 fed to the support 23 or 27 in a position where the reel can be centered by a movable flange. You.
The holding member 43 is different from the plastic means 45 in that the vibrating portion 4
Once pivoted to 1 and the reel 25 is locked between the flanges of the support, it enables the vibrating part 41 to move from the feed position to the inactive position without interfering with the reel. .

Preferably, the full bobbin at location 27 is removed within the turret profile, and no external space needs to be provided.

In a manner known per se, the yarn 35 arriving from the production head is fed to a reel 25 rotating at a suitable speed, so that the yarn is wound on a reel (the upper part in the example of FIG. 3) by a winding device. The wound and wound device essentially includes a free rotating roller 47 working on a bobbin to be wound and a cam and slider assembly 49.

When the bobbin reaches the preset diameter,
The turret 3 rotates substantially 180 ° while simultaneously moving the full bobbin to the lower position and also moving the empty reel to the upper position for winding. In a manner known per se, rotation of the turret allows the yarn 35 to be continuously supplied to a new reel without interrupting the winding process. Also, in a substantially conventional manner, the yarn is cut during turret rotation, releasing the full bobbin 29 by a cutting device connected to the cam and slider assembly 49.

At this point, the lower bobbin is removed by the openings in the flanges 13 and 21 of the support 27 (or 11 and 19 of the support 23, respectively) while the yarn is wound onto the upper reel. The bobbin 29 is thus suitably collected in the vertical profile of the turret by a suitable transport or guiding device 51 and can be removed from the winding unit. When the bobbin 29 is removed from the support, the vibrating portion 41 of the reel magazine is moved to the feeding position shown in FIG.
Having between 3 and 21, these flanges are closed while locking the new reel 25 in the support 27. As soon as the winding of the upper bobbin is completed, the vibrating part 41 is returned to the non-feeding position shown in FIG. 4 and a new reel 25 is ready to replace the upper bobbin.

[0024]

Indeed, it has been found that the present invention achieves its intended purpose and goals. A winding unit is provided which can be automated to load and remove empty cardboard cylinders and bobbins, respectively, in a structurally simple, inexpensive and safe manner.

A great advantage of the winding unit according to the invention is that it allows the automation of various auxiliary operations without the aid of expensive robots.

Many modifications and variations of the winding unit according to the invention are possible within the scope of the appended claims. All details can be replaced by technically equivalent elements.

The materials used as well as the dimensions can be according to the requirements and conditions of the prior art. Where technical features mentioned in all claims are followed by a reference character, the reference character is included merely to enhance understanding of the claim.

Thus, such reference symbols have no effect of limiting the range of each element identified by the example with such reference symbols.

[Brief description of the drawings]

FIG. 1 is a lateral front view of a winding unit according to the present invention.

FIG. 2 is a lateral partial front view of a head of a winding unit according to the present invention.

FIG. 3 is a detailed side view of the head during the bobbin removal step.

FIG. 4 is a partial cross-sectional front view of the magazine during yarn winding.

FIG. 5 is a partial cross-sectional front view of the magazine in a position for loading a reel.

FIG. 6 is a lateral front view of the magazine.

FIG. 7 is a partial sectional front view of a magazine and a head at a position where a reel is loaded.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Winding unit 3 Rotating turret 5 Base plate 7 Support structure part 9 End plate 11, 13 Flange 15, 17 Pneumatic cylinder 19, 21 Base flange 23 First support part 25 Reel 27 Second support part 29 Full bobbin 31, 33 Motor 35 Yarn 37 Casing 39 Lower opening 41 Vibrating part of magazine 43 Holding member 45 Plasticity means 47 Free rotation roller 49 Slider assembly 51 Guide device

Claims (8)

[Claims] 1. A winding head (3) arranged at an outlet for producing at least one yarn and comprising a device for guiding and cutting said yarn, in particular for winding yarn. A winding unit, wherein the winding head (3) has at least two support members (23,
27, 11, 13), and each supporting member (23, 27)
Is adapted to rotatably support a winding member (25) adapted to wind the yarn to form a bobbin, the head comprising at least two positions:
That is, in the winding unit having a first position for winding the first winding member and a second position for winding the second winding member, Each of the winding members (2) for winding the yarn.
5) a winding unit having a position for supporting the above (5) and a detaching position for removing the winding member and loading a new winding member. 2. The winding member (25), wherein the support portion is provided on the winding member (25).
Axially movable means (1) that can move axially to engage the ends of the
The winding unit according to claim 1, comprising: (1), (13). 3. The axially movable means comprises two flanges (11, 13) adapted to engage an end of the winding member, the flanges being cylindrical (25).
The winding unit according to claim 2, wherein the winding unit is configured by: 4. An axially movable means (11,
Winding unit according to claim 3, characterized in that (13) is activated by means of a fluid drive (15, 17). 5. The winding unit according to claim 1, wherein the bobbin can be removed in the upper surface of the winding head (3). 6. The winding unit includes a magazine means (37) including a plurality of the winding members (25), and the winding unit (25) is connected to the support members (11, 13, 23,
Winding unit according to claim 1, characterized in that it is adapted to feed to (27). 7. A casing (3) wherein said magazine means is adapted to include a plurality of said winding members (25).
7) comprising a casing provided with a lower opening (39) arranged in one of said supports (23, 27) in a lower position, said opening being in at least two positions: said opening Is located adjacent to said support for feeding the winding member (25) and for enabling rotation of said winding head (3) for the purpose of moving the full bobbin from the winding position to the release position, 7. The winding according to claim 6, characterized in that it is provided on a vibrating part (41) of the magazine means which defines the opening and a non-feeding position where the magazine means is separated from the support. Times unit. 8. A holding member (43) is provided in said opening (3).
9), and the holding member is provided at the support portion (1).
1, 13, 23, 27) sent to the winding member (2
5) is adapted to hold the winding member in a position where the winding member can be centered between the moving flanges (11, 13), and the holding member is pivotally attached to the vibrating portion unlike the plastic means (45). And moving the vibrating portion from the feeding position to the non-feeding position without interfering with the winding member locked between the flanges of the support portion. The winding unit according to claim 7.