JPS6290337A - Apparatus for removing residual roving from roving bobbin - Google Patents

Abstract

PURPOSE:To remove residual roving remaining on a roving bobbin, by pressing a specific number of roving bobbins suspended on a bobbin hanger against a flocked belt for the removal of residual roving during the transfer of the bobbin. CONSTITUTION:A plurality of roving bobbins 1 rotatably suspended on a bobbin hanger of a bobbin transfer apparatus is clamped between a flocked belt 21 running parallel to a bobbin transfer apparatus 10 and pressing wheels 41 attached to a swinging frame. The roving bobbin is rotated by the motion of the flocked belt and the residual roving is removed from the bobbin. The opened waste fiber attached to the flocked belt is continuously peeled off with a comb wheel 31.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a device for removing residual roving from a roving bobbin that is wound on a roving frame and unwound on a spinning frame.

Conventional technology The sliver is drawn and twisted using a roving machine to produce roving (
The process of making a so-called "shino", winding it onto a roving bobbin using a flyer mechanism, and then transporting and feeding it to a spinning machine is an important process in a spinning factory.

Recently, however, the roving bobbin, which has been unwound by the spinning frame and becomes an empty bobbin, is continuously sent back to the roving frame while hanging in a line on a bobbin hanger.
So-called bobbin conveying devices are widely used and are contributing to labor savings in spinning factories.

However, the roving bobbin unwound by the spinning machine is completely unwound because it is necessary to reduce the chance of yarn breakage in the spinning machine, so-called shinotsuri is performed with some roving remaining on the bobbin. Therefore, such a roving bobbin cannot be reused in a roving frame as it is. Therefore, in the middle path of the bobbin conveying device,
There has been a strong desire to develop a device that can efficiently remove the residual roving remaining on the roving bobbin by some means, but at present, it has not yet been put to practical use. There's nothing left.

Purpose of the Invention In view of the actual state of the prior art, an object of the present invention is to bring a predetermined number of roving bobbins into contact with a flocked belt for removing remaining rovings while the roving bobbin is suspended from a bobbin hanger in the middle of a bobbin conveying device. Therefore, it is an object of the present invention to provide a novel residual roving removing device for a roving bobbin, which can efficiently remove residual roving remaining on the roving bobbin.

Structure of the Invention The structure of the present invention to achieve the above object is to provide a flocking belt that runs parallel to a plurality of roving bobbins suspended from a bobbin hanger of a bobbin conveying device, and to use a swinging frame to move a pressing wheel. By pressing the roving bobbin against the flocking belt through the roving wheel, the roving bobbin held between the pressing wheel and the flocking belt is rotated by the running of the flocking belt, so that the remaining roving on the roving bobbin is unwound. By providing a comb wheel that rotates at a circumferential speed greater than the traveling speed of the flocking belt while the tip of the comb is in contact with the flocking belt while unraveling and continuously combing the hair on the flocking belt. The gist of this invention is that the remaining roving threads caught in the hair of the flocking belt can be quickly scraped off and removed, so it is installed in the middle of the bobbin conveying device to efficiently remove the remaining roving threads. shall be.

Example Examples will be described below with reference to the drawings.

The remaining roving removal device for the roving bobbin includes a flocked belt 21 that runs parallel to the roving bobbins 1.1 suspended in a row on the bobbin conveying device 10, and a comb provided on the back surface of the flocked belt 21. It includes a wheel 31 and a swinging frame 40 that faces the flocked belt 21 with the roving bobbins 1, 1, . . . in between (FIGS. 1 and 2). etc. are integrally mounted on a slide frame (not shown) that is driven by an air cylinder 44.

The roving bobbin 1 is a tubular body made of a bobbin tube 1C with flanges la and 1b fitted at both ends, and a sticking cloth 2 is attached in a ring shape to a part of the circumference of the bobbin tube 1C. Sticking cloth 2 is base fabric 2
Numerous elastic hairs 2b, 2b... are planted on the surface of the roving bobbin 1 (Fig. 6), and the hairs 2b, 12b... are laid down in the circumferential direction of the roving bobbin 1 (Fig. 6). It is used to fix the beginning of the winding when winding the roving. Therefore, the remaining roving S on the roving bobbin 1
is wound in the opposite direction to the direction in which the hairs 2b, 2b, . . . of the sticking cloth 2 are laid down, that is, in the direction of arrow A in FIG.

The bobbin conveyance device 10 includes wheels 12.12 that move within a rail 11 that has a substantially gate-shaped cross section and is attached to the lower surface of the ceiling of the building.
It is provided with a bobbin hanger 13 hanging from the axle 12a (FIG. 2), by which the roving bobbin 1 can be hung rotatably.

The bobbin conveying device 10 as a whole has a large number of the above units connected at appropriate intervals to form a chain, and is capable of continuously conveying the roving bobbin 1 from the spinning frame to the roving frame. . Further, the bobbin hanger 13 is assumed to be able to freely attach and detach the suspended roving bobbin 1 and tilt the bobbin hanger 13 .

The flocking belt 21 is an endless belt stretched by belt pulleys 22, 22 at both ends (FIG. 1), and one side of the belt is attached to the roving bobbin 1. It is running parallel to 1... The width of the flocked belt 21 is slightly shorter than the entire length of the bobbin tube 1C of the roving bobbin 1, and its running position is between the ribs 1a and 1b. In addition, the belt wheel 22
．． 22 can be adjusted by an air cylinder (not shown), and the tension of the flocking belt 21 can be adjusted.

The flocked belt 21 has countless elastic hairs 21b, 21b... planted on the surface of a base fabric 21a, and the hairs 21b
, 21b... are laid down in the running direction of the flocked belt 21 (FIGS. 5 and 6), and the back surface of the base fabric 21a is
The hook on the surface of the belt wheel 22.22 also serves as a flat belt to be passed.

A comb wheel 31 housed in a hood 32 is provided on the opposite side of the flocking belt 21 to the side in contact with the roving bobbin 1.1.
(Figure 1). The comb wheel 31 has a plurality of comb plates 31b, 31b arranged in the generatrix direction of the rotating cylinder 31a.
... is installed upright (Fig. 3), and the comb wheel 31 is
The sawtooth 31C at the tip of the comb plate 31b combs the hairs 21b, 21b, . The flocked belt 21 rotates in the running direction (FIG. 1).

A hood 32 surrounding the comb wheel 31 is connected to a fiber opening duct 32a, and is operated by a suction fan (not shown).
Its interior is kept under positive pressure.

On the other hand, the light emitter/receiver 32b whose optical axis crosses the opening duct 32a
, 32c are provided to detect the presence or absence of a flow of residual roving waste passing through the opening duct 32a.

The flocking belt 21, its drive system including the belt wheels 22, 22, the comb wheel 31 and its drive system, and a series of members such as the hood 32 are mounted on a slide base (not shown), and an air cylinder 44, it is possible to move back and forth in a direction perpendicular to the traveling direction of the roving bobbins 1.1 (double-dashed line in FIG. 2).

Pressing wheels 41, 41... are arranged in a row at positions facing the flocking belt 21 across the roving bobbins 1.1..., which are rotatable on the swing frame 40. (Fig. 1, Fig. 2).

The swing frame 40 is an L-shaped frame consisting of an upright piece 40a and a horizontal piece 40b, and can swing as a whole around a lower swing shaft 42. That is,
A pulley 43 pivotally attached to the tip of the horizontal piece 40b moves within a stepped cam 45 fixed to the slide base (not shown), which is driven back and forth by an air cylinder 44, thereby moving the horizontal piece 40b. The tip rotates around a swing shaft 42 supported by a pillow block 42a, thereby swinging the upright piece 40a left and right.

The pressing wheels 41, 41, . . . are the upper and lower collars 1a of the roving bobbins 1.1, which are located at two locations above and below the upright piece 408.

1b, and when the upright piece 40a stands up to a substantially vertical position, the pressing wheels 41.
41... press the collars 1a, 1b, and therefore the roving bobbins 1.1... are pressed against the surface of the flocked belt 21. At this time, one roving bobbin 1
Two pressing wheels 41 and 41 on each side act on the upper and lower sides (FIG. 1).

The number of roving bobbins 1 .

Stoppers 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46... is protruding from the swing frame 40 (Fig. 1, Fig. 2)
On the back side of the flocked belt 21, belt supports 23, 23... having a length spanning the entire width of the flocked belt 21 are arranged.

Air nozzles 47, 47, etc. are further provided diagonally and horizontally protruding from the upright piece 40a of the swing frame 40 (first
figure). Its position in the height direction corresponds to the sticking cloth 2 attached to each roving bobbin 1 (Fig. 2), and its tip is oriented in a direction that substantially coincides with the tangent to the roving bobbin 1. (Figure 6). A nozzle hole 47a is bored at the tip of the air nozzle 47, and air guided from a compressed air source (not shown) is ejected from the nozzle hole 47a.
The hairs 2b, 2b, . . . on the surface of the sticking cloth 2 are blown from behind.

A driving piece 14 is attached to the upper part of the bobbin conveying device 10 at a substantially intermediate position between the rail 11 and the bobbin hanger 13 (FIG. 2). These are provided at each intermediate position of the roving bobbins 1.1... in the direction of movement of the bobbin transport device 10 (Fig. 4). By pushing, the wheels 12.12 in the rail 11 roll, making it possible to transport the roving bobbins 1.1.

A spline shaft 53 is rotatably installed on a frame 52 provided on a fixed frame 51 above the swing frame 40 (Fig. 2), and is rotated by an air cylinder 54 via a link piece 53a153b. It moves me. On the other hand, the tip of the engagement piece 55 fitted onto the spline shaft 53 so as to be slidable in the axial direction thereof can be disengaged from the drive piece 14 by rotation of the spline shaft. Further, the engagement piece 55 is attached to an air cylinder 56 fixed to one end of the frame 52.
The fourth piston rod 56a is connected to the tip of the piston rod 56a.
), it can slide on the spline shaft 53 and move left and right according to its expansion and contraction. The stroke of the air cylinder 56 is adjusted to the number of roving bobbins 1.1 facing the flocked belt 21, and in one movement moves a predetermined number of roving bobbins 1.1 to the flocked belt 21. The material is selected so that it can be transported to the contact position.

The operation of the residual roving removing device having such a configuration is as follows.

Turn on the power to each motor (not shown), and
and the comb wheel 31 are driven in the direction of the arrow in FIG. The air cylinder 44 is connected to the flocking belt 21 and the comb wheel 31 mounted on the slide base with its rod in the shortened position.
etc., and tilt the swing frame 40 to ensure a wide space on both sides of the loading position of the roving bobbins 1.1 (as indicated by the two-dot chain line in FIG. 2).

When the rod of the air cylinder 54 is extended, the link piece 53
The spline shaft 53 rotates through the shafts 53a and 53b, and the engagement piece 55 engages with the drive piece 14 of the bobbin conveying device 10 (FIGS. 2 and 4), so in this state, the rod of the air cylinder 56 56a is extended to move the bobbin conveying device 10 forward, the roving bobbins 1.1 suspended from the bobbin hanger 13 are carried to the position of the flocking belt 21.

The stopping position is a position where each roving bobbin 1.1... is at an intermediate position between belt supports 23, 23... provided on the back surface of the flocked belt 21.

Next, by operating the air cylinder 44, the flocked belt 21
The comb wheel 31 and the like are moved forward together, and the swing frame 40 is erected. As a result, the pressing wheels 41, 41... provided on the swinging frame 40
The roving bobbins 1, 1, . While the rovings are sandwiched between the swing frame 40 and the flocked belt 21, the mutual positions of the respective roving bobbins 1 are finely adjusted, and the peripheral wall of the bobbin tube 1C is pressed against the flocked belt 21. Since the flocking belt 21 is running, the roving bobbins 1.1 are pressed against it.
is rotated while being suspended from the bobbin hanger 13 while being sandwiched between the swinging frame 40 and the flocked belt 21 (arrow A in Fig. 5), and the remaining roving S wound around its surface is , the hairs 21b, 21b on the flocking belt 21.
... and carried away in the running direction of the flocked belt 21. Here, the remaining roving S on the roving bobbin 1
The wrapping direction is the hair 2 of the above-mentioned sticking cloth 2.
b, 2b, etc. are laid down in a direction that corresponds to the six directions of the arrows in FIG. The remaining rovings are unwound sequentially from the side, so even if the remaining rovings S are multilayered on the roving bobbin 1, the process of removing the remaining rovings S during this period is extremely smooth.

When a multi-layered residual roving S remains on the roving bobbin 1 and is removed by unwinding, its apparent outer diameter decreases as the residual roving S decreases. At this time, unless the pulley 43 of the swing frame 40 is on the slope of the stepped cam 45 and the air cylinder 44 has not reached its forward end, the air cylinder 44 will cause the swing frame 40 to stand up.
At the same time, since the force continues to be applied in the direction of advancing the flocked belt 21, there is no fear that the roving bobbin 1 will separate from the flocked belt 21 even when the above-mentioned apparent outer diameter decreases. This also applies when the apparent outer diameters of the roving bobbins 1.1... in contact with the flocking belt 21 are uneven. As the removal starts and the outer diameter decreases, those with smaller diameters come into contact with the flocking belt 21, and finally, the remaining rovings S of all the roving bobbins 1.1... are removed. will be completed.

Furthermore, a belt support 2 is provided on the back side of the flocked belt 21.
3.23... is arranged, so the flocking belt 21
The roving bobbin 1 pressed against the adjacent belt support 2
The fiber flocking belt 21 rotates in the depression caused by the deflection of the flocked belt 21 created during the step 3.23, contributing to maintaining stable contact between the flocked belt 21 and the roving bobbin 1. Then, hair transplant -15.

The amount of deflection of the flocked bells 1 to 21 at that time can be optimally adjusted by the elasticity of the belt 21 and the tension adjustment function by an air cylinder (not shown).

Through this process, even if almost all of the remaining rovings S on the roving bobbin 1 are unwound and removed, fiber waste separated from the remaining rovings S remains on the surface of the sticking cloth 2. Normally, the hairs are attached to one side, and this is because the hairs 2b, 2b... on the surface of the sticking cloth 2 and the fibers forming the beginning of winding of the roving strongly engage each other and stick together. This is because they are doing so. Therefore, air nozzle 47.
When air is ejected from 47..., this air jet blows out the fibers and hairs 2b, 2b, etc. attached thereto from behind the bristles 2b, 2b... laid down in the circumferential direction of the bobbin tube 1C. 2b...Since the fibers are blown in the direction of disengaging the fibers (Fig. 6), this fiber waste can be blown off very easily. The blown fiber waste flies through the air, adheres to the flocking belt 21, and is carried away.

The mixture of the remaining rovings S and the fiber waste (hereinafter referred to as spread waste) that adheres to the surface of the flocking belt 21 and is carried away comes into contact with the comb wheel 31 on the back side of the flocking belts i to 21 as they travel. Once brought into position (FIG. 1), it is scraped off by the comb plate 31b. Since the circumferential speed of the comb wheel 31 is faster than the traveling speed of the flocking belt 21, the saw teeth 31c of the comb plate 31b are able to prevent the hairs 21 on the surface of the flocking belt 21.
b, 21b... from behind, and therefore,
Opening debris adhering there can be scraped off very smoothly.

The opening waste scraped off by the comb wheel 31 is conveyed by a suction fan (not shown) through the opening duct 32a to an opening box (not shown) and stored there.

Here, since the opening duct 32a is equipped with light emitters and receivers 32b and 32G for detecting the flow of opening waste, the removal of the remaining roving S on the roving bobbin 1.1 is completed. can be known.

When the remaining roving yarn S of all the roving bobbins 1.1... is removed, the air cylinder 44 is operated to move the flocking belt 21 etc. backward, the swinging frame 40 is tilted, and the pressing wheel 41. Release the restraint of the roving bobbin 1.1 by the flocking belt 21 and the flocking belt 21. Next, the engagement piece 55 is disengaged from the drive piece 14 by the air cylinder 54, and then the rod 56a of the air cylinder 56 is shortened to move the engagement piece 55 to the upstream side of the bobbin conveying device 10. Then, the air cylinder 54 causes the engagement piece 55 and the drive piece 14 to engage again. Here, the drive piece 14 that newly engages with the engagement piece 55 is more likely to be engaged with the roving bobbin 1.1 than the drive piece 14 that was previously engaged.
Since the predetermined number of rods are on the upstream side, if the rod 56a of the air cylinder 56 is extended in that state,
The bobbin conveying device 10 is driven, and at the same time the roving bobbins 1.1... from which the remaining roving yarn S has been removed are carried out to the downstream side, a new predetermined number of roving bobbins are transferred from the upstream side. 1.1... can be carried in, and the removal operation of the remaining rovings S can be repeated and continued.

In the above explanation, the air nozzles 47, 47...
This is provided to blow away the fiber waste adhering to the sticking cloth 2 at the final stage of the removal work of the remaining roving S, so if the sticking cloth 2 is not used as a method of fixing the beginning of winding of the roving, , does not necessarily have to be provided.

The flocking belt 21 and the comb wheel 31 are connected to the air cylinder 4.
4, it is mounted on a slide base that moves back and forth, but instead of this, it is also possible to install it on a fixed frame. That is, when the amount of the remaining roving S on the roving bobbin 1.1 is regulated in advance so that it does not exceed a certain level, the amount of the remaining roving on the roving bobbin 1.1... The flocking belt 21 is disposed at a position where it does not contact the outer surface of the thread S, and the swinging of the swinging frame 40 presses the roving bobbins 1.1 suspended from the bobbin hanger 13 onto the flocking belt 21. In this case, since the slide base can be omitted, the entire mechanism can be simplified. However, even in this case, the operation of the swing frame 40 by the air cylinder 44 and step cam 45 cannot be omitted.

The swing frame 40 has a pulley 43 that moves within the stage cam 45.
The L-shaped frame is made to swing around the swing shaft 42 by the movement of
．． It is sufficient to hold the rows of 1... and to open a space between them and the flocking belt 21 when carrying them in and out, and for example, to move in a horizontal plane at right angles to the traveling direction of the flocking belt 21. It may be a flat frame.

Further, in this embodiment, as a mechanism for driving the bobbin conveying device 10 to carry in and out the roving bobbins 1.1..., a driving piece 14, an engaging piece 55 that engages with it, and a driving air Although the cylinder 56 was used, instead of this, for example,
Of course, the entire bobbin conveying device 10 may be driven by pulling it at the front end.

Further, the roving bobbins 1, 1, . . . are operated by the air cylinder 56.
After carrying in the roving bobbin 1.1..., move it to the swing frame 40.
and the flocking belt 21, immediately release the engagement between the drive piece 14 and the engagement piece 55 by the air cylinder 54, and shorten the rod 56a of the air cylinder 56.
Each air cylinder 44, 54, 56 is set so that the engagement operation between the drive piece 14 and the engagement piece 55 is completed at the engagement position for carrying in the next roving bobbin 1.1... The order of operations may be determined. By doing this, the loss time in driving the bobbin conveying device 10 can be minimized, and the roving bobbin 1.
Since at least one of the bobbin transport device 10 and the bobbin transport device 10 is restrained, there is no risk of inconvenience caused by positional displacement due to vibration or the like.

As described in detail, according to the present invention, between the flocking belt running parallel to the bobbin conveying device and the pressing wheel attached to the swinging frame, the bobbin hanger of the bobbin conveying device is rotatably suspended. By sandwiching the plurality of roving bobbins that remain lowered, the roving bobbins are rotated by the running of the flocking belt, so that the remaining roving on the roving bobbins can be efficiently unwound and removed. The opened waste that adheres to the flocking belt and is carried away is continuously scraped by a comb wheel that is installed on the back side of the flocking belt and rotates at a circumferential speed higher than the traveling speed of the flocking belt, with the tip of the comb in contact with the flocking belt. Since the roving can be removed, the roving can be installed in the middle of the bobbin conveying device and the remaining roving from the roving bobbin can be efficiently removed, which is an extremely excellent effect.

[Brief explanation of drawings]

Figures 1 to 6 show examples, where Figure 1 is a plan view of the main part, Figure 2 is a side view of the main part, and Figure 3 (A> is X--X in Figure 1).
The same figure (B) is a cross-sectional view taken along the Y-Y line of the same figure (A>), Figure 4 is an enlarged view taken in the direction Z of Figure 2, and Figures 5 and 6 are , respectively, Zl-71 and Z2-2 in FIG.
This is an enlarged cross-sectional view taken along the 2-line arrow. 1... Roving bobbin 2... Sticking cloth 10... Bobbin transport device 13... Bobbin hanger 21... Flocked belt 21a... Base fabric 21b... Wool 31... Comb wheel 31C. ...Comb 40...
Swing frame 40a... Standing piece 40b... Horizontal piece 41...
Pressing wheel 42... Swing shaft 43... Pulley 44... Air cylinder 45... Stage cam 47... Air nozzle

Claims (1)

[Scope of Claims] 1) A flocked belt that is rotatably suspended from a bobbin hanger and runs parallel to a plurality of roving bobbins being conveyed, and a flocked belt that moves the roving bobbins through a pressing wheel. and a comb wheel that rotates at a circumferential speed greater than the traveling speed of the flocking belt while the tip of the comb is in contact with the flocking belt, and can be installed in the middle of a bobbin conveying device. Remaining roving removal device for roving bobbin. 2) The swing frame has an L shape consisting of a horizontal piece and an upright piece.
In the frame, a pulley provided at the tip of the horizontal piece rolls in a stepped cam that is horizontally reciprocated by an air cylinder, so that the upright piece rotates around the swing axis. The remaining roving removing device for a roving bobbin according to claim 1, characterized in that the device is configured to swing. 3) The flocking belt and the comb wheel are characterized in that they move forward together in synchronization with the upright movement of the swinging frame so that the roving bobbin is sandwiched between the swinging frame and the flocking belt. A device for removing residual roving from a roving bobbin according to claim 2. 4) The roving bobbin according to any one of claims 1 to 3, wherein the swing frame includes an air nozzle that faces in a tangential direction of a sticking cloth attached to the roving bobbin. Remaining roving removal device. 5) The flocked belt is characterized in that numerous hairs are planted on the surface of the base fabric, and the hairs are laid down in the running direction of the flocked belt. 5. The device for removing residual roving from a roving bobbin according to any one of Item 4.