JPS5839751B2 - Device for reeling elongated materials - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for winding elongate fibrous material into packages, and particularly, but not exclusively, for winding fibrous textile material in the form of slivers or rovings. The invention relates to a device.

When winding the sliver or roving into a package, the package is built up very quickly due to the relatively large bulk of the material being wound.

Accordingly, there was a need to provide a winding device capable of converting winding material from finished packages to empty packages without interfering with or stopping the winding operation.

The earlier British Patent No. 1,255,072 describes a mechanism for winding fibrous material onto one of two spools arranged in parallel spaced relation, and then onto the other spool. The filamentary material is completely wound onto one spool without interfering with the feed of the filamentary material from the supply, and then winding begins on the adjacent empty spool in a fully automatic manner. .

When winding fibrous materials such as roving or sliver,
It is necessary to guide this material to the winding position in such a way that the fibrous material is never subjected to high winding tensions without sufficient support and to prevent breakage under tension. It is.

In particular in the winding of rovings or slivers, there must be no unsupported portions longer than the average fiber length while they are under tension.

This is because if there is an unsupported section longer than the average fiber length, the roving or sliver will break or break even under slight tension.

The mechanism described in earlier GB 1255072 is completely unsuitable for winding rovings or slivers into packages due to the presence of unsupported sections that are longer than the average fiber length.

The earlier British Patent No. 666236 describes a sliver polling machine for forming short cylindrical packages known as balls by winding the sliver onto a cylindrical core by means of a pressing arm, The pressing arm engages the package being formed and pushes the sliver continuously in its path from the supply to the package so that there is no straight section of sliver longer than the fiber length under tension. is wrapped around the pressing arm.

The package made by the apparatus described in GB 666,236 is a cross-wound package obtained by guiding the sliver, so that adjacent turns are widely separated in each course and the strands of one course are overlaps diagonally with the course strand immediately below.

One object of the invention is to provide a device suitable for winding sliver or roving which combines the advantages of the mechanisms described in the earlier British patent specifications mentioned above.

A first aspect of the invention (according to which a package tube mounting device for supporting a first and a second package tube in a winding position in a laterally parallel spaced relationship; a material dispensing arm for dispensing the fibrous material to form a first package and then to another package tube to form a second package; and a drive control for rotating the package tube for winding the material. and means for supporting the dispensing arms for relative movement between each package tube and the dispensing arm in the direction of the axis of rotation of the tube and for supporting the axis of rotation of the tube between the arm support means and the package tube. and a control device functioning as first and second traversing devices for causing a relative movement in a direction perpendicular to the package tube to accommodate an increase in the diameter of the package being wound onto the package tube, the distribution arm comprising: comprising guiding means for guiding the material into the package, said guiding means being arranged to contact the package at a winding position disposed in a plane containing both axes of rotation of adjacent package tubes; A fibrous material is wrapped around the section several times to prevent excessive tension on the material, and a control device and a control rod serving as a second traverse device guide the guide means in the plane. An apparatus is provided for winding elongate fibrous material characterized in that it is maintained in a winding position.

A control device for rotating the package tubes and for causing a relative first traverse movement between each package tube and the tensioning and control device is arranged such that the package is erected parallel to the tubes. It is desirable that it be a thing.

In a preferred embodiment of the invention, the tensioning and control device includes two
a tension arm disposed between the package tubes and symmetrical or substantially symmetrical on opposite sides of a plane passing through the longitudinal axis of the arm; The material is then transferred from the other side of the package tube to the other side of the package tube.

In the foregoing preferred embodiment of the invention, the tensioning arm is supported by a control device which controls the traverse of the arm relative to the tube to form a suitably shaped package in each tube, and which controls the diameter of the package. control the movement of the arm to adapt to the increase in

Additionally, the control mechanism may control the conversion of winding from full packages on one of the package tubes to the other empty package tube.

In textile machines for converting sliver into roving, a drafting device reduces the sliver to roving weight, a collecting device produces roving and converts the roving into sliver for assembling into an effective package shape. Some twisting is basically required.

In the case of short human silks, heating is usually carried out on speed frames in which dense parallel wound packages are built up on the bobbin by the insertion of twists, which are sufficient to allow the rovings to be wound at relatively high tensions. It gives the roving strength.

However, the actual twist insertion is carried out by a flyer (
It is a distant relative of this, and the production rate of the machine is severely limited by its use.

Twisting is added for a number of reasons, namely: (1) to impart some strength to an otherwise weak strand, thereby facilitating winding into packages on a drawing machine and unwinding from packages on a ring spinning machine; and to minimize surface damage during handling and storage of roving packages; (2) to assist in bonding loose fiber bundles into a more compact and controllable form; and (3) to assist with fiber drafting. Twisting is applied to control the

In the case of washer silk, a shearing machine is commonly used, and the drafted fibers are bonded by crosswise friction, whereupon the rovings are wound under low tension into cross-wound packages.

British Patent No. 1,015,291 (which discloses that two strands are made tightly by twisting one or each of the strands so that alternating areas of counter-twist are repeated along their length. A method is described for forming twisted threads, stabilizing them by converging the twisted threads, and untwisting each twisted or twisted strand around the other strand. .

The application of this principle, commonly known as self-twisting, to the production of rovings has already been proposed in this prior patent specification.

Typical speed frame winding devices introduce a unidirectional twist in the material being built up into a package.

This winding device is suitable for winding double-folded rovings into packages that need to be separated into two elements as a subsequent process since the inserted unidirectional twist prevents separation of the elements. I can't enter.

The machine according to the second aspect of the invention does not suffer from this drawback while making the same roving packages as are made with normal speed frames, so-called high-density parallel-wound packages, and also The roving can be easily separated into elements on a ring spinning machine for processing the separate elements into yarn.

An embodiment of the invention will now be described by way of example with reference to the accompanying drawings, in which: FIG.

Referring first to FIGS. 1 and 2, the machine shown comprises a creel section 11, a drafting and self-twisting section 12, and a winding section 13.

As best shown in FIGS. 3 and 4, the creel area 11 is located on the leg 15 (attached to and attached to the projecting arm 16).
The arm 16 holds a pair of rails 17 arranged parallel to the platform 14.

Each of the rails 17 is held at a position outwardly and upwardly spaced from the platform 14 and is therefore disposed on the side of the platform 14 and includes a sliver S 3
The sliver canisters 18 protrude into space to receive the sliver canisters 18.

A guide portion 19, a drive roller 20 and a guide pin 21 are located on the platform corresponding to each sliver can 18.
is placed.

The guide portion 19 has an inverted V shape and presses down the sliver S when it is pulled on the rail 1T.

The drive roller 20 provides a forward drive to the sliver S in order to prevent the sliver from being under enough tension to cause end breakage.

The guide pins 21 are arranged on the platform 14 for transporting the sliver S along the platform in a side-by-side, parallel (spaced apart relationship) from the sliver S.

A break detector (not shown) is arranged to detect a break in each individual sliver of roller 20 and is arranged to stop the machine whenever a break occurs.

If the sliver S passing through the guide part is improperly drawn into a knot or a bundle, the guide part 19
9 serves as a bundle sensor activated by the knot or bundle to stop the machine and indicate its status to the operator.

A pair of advance rollers 22 are located at the ends of the platform 14 to control the advance drive for all six slivers S on the platform 14.

Referring to FIGS. 5 and 6, chute 23 directs sliver S from creel zone 11 to drafting and self-twisting zone 12. Referring to FIGS.

As shown, a drafting and self-twisting section 12 formed as a separate unit is distinct from both the creel section 11 and the winding section 13.

However, it can also be formed integrally with the winding section 13.

The area 12 is equipped with conventional drafting equipment 24, including front and rear drafting rollers 26 and 27 and an apron drafting roller assembly 28, as is well known.

In the drafting device, the sliver S is drawn to a drawing spindle in the same manner as it is drawn in a normal speed frame.

From the drafting device 24, the drafted sliver S is directly connected to a pair of self-twisting rollers 29, which force the sliver S forward while oscillating along the length of the sliver in an out-of-phase relationship, as is well known. Drive to.

As briefly explained in reference to GB 1,015,291, this creates alternating twists along the length of each sliver S.

As the slivers S emerge from the rollers 29, they are combined in pairs, in each of which the slivers are twisted around each other to form a double-folded roving R.

The three bifold rovings R emerging from the drafted and self-twisting section 12 are substantially stronger than the untwisted sliver and can thus withstand substantially greater tension before cutting.

The inserted self-twist yarns bind the rovings and reduce the amount of disordered fibers.

The winding section 13 comprises a fixed upper guide 30, over which the roving R passes, and three driven rollers 31, 32 and 33.

The guide section 30 supports all three double-folded rovings,
Also provided are three grooves 34 to separate the rovings as they move over the guide 30 in parallel spaced relationship and to ensure that no improper contact occurs between them. .

The first roller 31 also supports all three double-folded rovings, and two of the rovings are passed across the top of the machine to the roller 3
2 and 33, while the third roving is directed downwardly to the winding station indicated at 35.

The remaining two rovings pass over roller 32 to winding station 36 (and over rollers 32 and 33 to winding station 37, respectively).

Each of the rollers 31, 32 and 33 includes a guide (not shown) for guiding the roving, with which roller the roving passes through one of the co-acting winding stations 35, 36 and 37.
The guides hold the roving on the rollers against the movement caused at the winding station by the winding operation.

The rollers 31, 32 and 33 may include co-acting cooperating rollers (not shown) to pinch the rovings and thereby precisely control their forward movement.

Alternatively, they can be replaced by fixed guides.

Winding stations 35, 36 and 37 are identical;
Therefore, only the winding station 35 will be described below.

Station 35 includes two pairs of bobbin mounting members 38.39 and 40.41.

Two pairs of fittings 3B, 39 and 40.41 are arranged to support package tubes 42 and 43, each pair being coaxially mounted and in supporting engagement with the ends of the package tubes. It includes two thick shafts arranged by mutual axial movement of the shafts, the thick shafts cooperating to hold the package tube coaxially with the thick shaft in cooperation around a common shaft.

The package tube 42 can be dropped from the thick shaft by an outward axial movement of the thick shaft to allow replacement of a completed package by an empty tube.

Package tubes 42 and 43, thus supported by mounting members 38.39 and 40.41 as shown, are arranged in parallel spaced relationship.

The thick shafts of the mounting members 38 and 40 are driven from a control device 44, shown only diagrammatically, so that the thick shaft of the member 38 is rotated counterclockwise, as shown in the front view of FIG. The thick shaft of 40 is rotated clockwise.

The drive speed is controlled by a device 44 to ensure that the winding of the roving for each package remains at a constant speed, taking into account the increasing diameter of the roving packages.

Suitable devices for controlling high-speed movement of packages are well known and we do not believe it is necessary to describe the specific details of such devices here.

Individual drive control for each package can be used to provide more precise tension control in winding the roving into the package.

Control rod 4 is used to control the passage of the roving into the package.
A depending arm 45 supported by station 35.
36 and 37, respectively.

The depending arm 45 is shown diagrammatically in FIG. 5 and in more detail in FIGS. 7-10.

From FIGS. 5 and 6 it can be seen that the arm 45 is held by the control rod 46 at the three winding stations 35, 36 and 37;
The rods are interconnected for cooperative operation and diagrammatically 4
7 (thereby being constrained).

Referring to FIG. 7, the roving R passing downward from the roller 31 is wound around the rod 46, then around the arm 45 several times, and finally leaves the arm 45 and the roving It is immediately passed to a package 48 where the thread is wound.

In this way, tension is applied to the roving R as it passes through the package 48 in order to induce a winding tension high enough to create a dense, tight package.

Furthermore, at any point along its length ζ, the arm 45 prevents the roving R from being placed under winding tension without sufficient support to prevent end breakage.

Controller 47 monitors the diameter of the package being wound and changes the position of control rod 46 so that rod 46 is moved to the right as the diameter of the package increases, as shown in FIG.

Furthermore, the control device 47 imparts a traversing movement to the rod 46 and thus to the arm 45 with respect to the tube 43 so that the roving is placed in parallel closely spaced windings around the package tube 43.

The rate of traverse movement and the limits of traverse movement are also determined by device 47.

In this manner, the spacing between the ends decreases as the diameter of the package 48 increases, thus creating a double taper package, such as that typically made with speed frames.

Also, as is clear, the percentage of traversal distance is package 48
must be reduced as the diameter increases, since more rovings must be overlapped at any axial position to complete the entire circumference of the package.

Another requirement of the controller 47 is to accomplish the exchange of windings from one package to an adjacent empty package tube 42.

When the diameter of the package 48 being wound reaches a certain level, the control device 47 causes the arm 45 to be moved towards the empty package tube so as to convey the roving R to the empty tube for winding onto the tube. provided.

This is discussed in more detail below.

The design of a suitable control device 47 to achieve the above functions is within the skill of those skilled in the art, so details of the device will not be described.

Referring again to FIG. 7, arm 45 includes an elongated cylindrical member secured to a boss 49 attached at one end to control rod 46. Referring again to FIG.

The arm 45 is formed with a smooth surface to prevent any snagging of the wound roving.

At the end remote from the rod 46 an arm 45 is formed to control the installation of the roving into the package, the roving being wrapped several times around the arm as shown and then around the arm. directly into the package under the control of the department.

8, 9 and 10, the free end of arm 45 includes a pair of curved fins 50 and 51, which generally follow the cylindrical surface of the arm and fin 50. 51
It is connected to the arm by a rear rib 52 that extends substantially beyond the top.

The rear rib 52 is curved slightly out of the arm, as best shown in FIG.

The fins 50 and 51 define openings 53 and 54 through which the rovings can pass.

The openings are beveled to ensure that the rovings do not pass through sharp edges.

The ends of the fins 50 and 51 remote from the ribs 52 are connected to each other as shown in FIG. They are spaced apart to allow the roving to be threaded through the locations along the axis.

The shape of the blade 55 (another single fin rises from the rear rib 52 and is located in a plane passing through the axis of the arm).

The roving R emerging from between the fins 50 and 51 runs along one side of the blade 55 to the package, said side of the blade smoothing the roving to the package (
Press against it.

The blade 55 is beveled, as shown at 56, to eliminate the appearance of sharp edges on the roving.

An arm portion 4 is attached to the end of the blade 55 adjacent to the top of the rear rib 52.
A notch 57 is provided to engage the roving and prevent it from slipping when the roving is being transported in a direction conducive to movement of the roving.

The blade 55 is arranged with respect to the rod 46 such that the rod 46 lies in a plane containing the axes of the two cooperating parallel spaced package tubes 42 and 43.

In this way, the device 47 controlling the rod 46 such that the arm 45 remains substantially vertical, the blade 5
5 is always placed in a tangential plane to the package to be formed.

The structure of the arm 45 and the manner in which the roving is supported by the arm G and applied to the package are such that the roving remains unsupported over a distance longer than the average fiber length under winding tension. form a tight, dense package (ensure that sufficient winding tension is applied to the roving to avoid

The left package 48 that is wound at each station is
If it is large enough, as determined by the control device 47, the rod 46 holding the arm 45 passes through the axis of rotation of the empty right package tube 42 under the control of the device 47. is moved to a position to the right of the vertical plane, which is O
From this point, the blade 5 of the arm portion 45 is attached to the left side of the empty right tube 42.
5 and the arm 45 is positioned at an angle of 30' to the vertical.

As the winding movement of arm 45 continues, the roving is drawn across the surface of empty package tube 42 while being wound into the finished package.

The spacing between the package tubes 42 and 43 is such that the package being made is full (so that it almost touches the surface of the empty package tube, so that the winding of the roving into the package can continue without the risk of cutting the roving). .

As shown in FIG. 7, the empty package tube 42 has a circumferential groove 58 of rectangular cross-section with unidirectionally oriented teeth 59 at locations along its length, on the inside and around the circumference. have

In use, the empty package tube 42 is positioned such that the teeth 59 project in the direction of rotation, in this case counterclockwise.

When the roving thus encounters the groove 58, it is captured by the teeth 59 in order to enter the groove and begin winding into the empty package tube.

Because the completed package 48 and the empty package tube 42 are rotating in opposite directions, the roving R is pulled sufficiently to break without removing it from the groove 58.

In this manner, winding continues on the empty package tube 42 and the exhausted package 48 is stopped and replaced with a new empty package tube.

As soon as the winding of the roving into the empty package tube 42 begins, the tension in the roving serves to pull the roving away from the side of the blade 55, where the roving is on the opposite side in FIG. , i.e. occupy the side adjacent to the package tube 42 on which the new package is being wound.

The roving thus slides to the other side if the direction of movement serves to pull it away from the ribs 52.

If the direction of movement is opposite, the roving will remain stationary on the other side of the blade 55 until the direction of movement is reversed.

Controls 44 and 47 monitor the progress of the packages being built and vary the speed of the packages and arm 45, thus automatically including package changes.

It is thus clear that the arms 45 are arranged symmetrically around a plane perpendicular to the plane containing the axis of the package, so that the roving can be directed to the package on the left or on the right. Let's become.

[Brief explanation of the drawing]

FIG. 1 is a side view of a textile machine according to the invention for converting sliver into rovings, FIG. 2 is a plan view of the machine shown in FIG. 1, and FIG. 3 is a top view of the machine shown in FIG. FIG. 4 is a partial plan view of the creel section shown in FIG. FIG. 6 is a partial plan view of the machine shown in FIG. 5; FIG. 7 is a partial plan view of the winding device used in the winding section of the machine shown in FIG. Perspective views, Figures 8 and 9 are 7th
10 is a side and front elevational view of the portion of the tensioning arm shown in FIG. 9, and FIG. It is a front front view. S: sliver, R: roving, 11
... Creel zone, 12... Drafting and self-twisting zone, 13... Winding zone, 14...
...Platform, 15 ... Legs, 1
6...Arm part, 17...Rail, 18.
...Sliver Kan, 19...Information Department,
20...Low 7- 21...Pin, 2
2... Advance roller 23... Chute, 24... Drafting device, 26.27...
- Drafting roller, 29...Twisting roller 31
．． 32.33...Roller, 35°36.37
... Winding station, 38,3940.4
1...Bobbin mounting member, 42, 43...
...Package tube, 45...Arm part, 46...
...Control rod, 47...Control device, 48...
... Package, 50°51 ... Arm fin, 52 ... Back rib, 53 ... 54 ...
...Opening, 55...Blade, 57...Notch.

Claims (1)

[Claims] 1 a package tube attachment device for supporting first and second package tubes in a laterally parallel spaced apart relationship in a winding position; a material dispensing arm that then dispenses material into the other package tube to form a second package;
a drive control device for rotating the package tubes winding the material; means for supporting the dispensing arms; and means for producing relative traverse motion between each package tube and the dispensing arms in the direction of the axis of rotation of the tubes. and as first and second traversing devices which cause a relative movement between the arm support means and the package tube in a direction perpendicular to the axis of rotation of the tube and accommodate an increase in the diameter of the package wound on the package tube. In the device provided with a functioning control device, the dispensing arm 45 is provided with guiding means 55 for guiding the material into the packages 48, said guiding means 55 in a plane containing both rotational axes of adjacent package tubes. The fiber material is wound several times around the dispensing arm 45 to prevent excessive tension on the material and to contact the package 48 at a winding position located at Control device 4 functioning as a second traversing device
7 and a control rod 46 for maintaining said guide means 55 in the winding position in said plane.