JPH0318515Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a device for suctioning and removing fluff, etc. generated on the running path of yarn or fiber bundles in a spinning machine.

[Conventional technology]

In a spinning machine, a fiber bundle, which is a raw material, is drafted by a draft device, then twisted by a twisting device including an air injection nozzle, etc., and wound into a spun yarn. During this drafting process, twisting process, etc., a lot of fluff is generated from the yarn or fiber bundle due to abrasion by rollers, air flow, etc., and these are removed by suction by a suction pipe connected to a blower. In addition, in a spinning machine equipped with a detection device such as a slab catcher, a defective yarn portion is detected by the detection device and then cut and removed.
These cut lint pieces are also sucked together with the fluff by the suction pipe.

[Problem that the invention attempts to solve]

The sucked up fluff, etc. is collected in a suitable dust box and reused as raw material for textile products.
If the above-mentioned lint is mixed in the collected fly fluff, it becomes difficult to re-spun the fluff, resulting in a problem that the field of use is restricted. The present invention aims to solve these problems.

[Means for solving problems]

The present invention is a device that suctions and removes fluff, etc. generated on a thread running path, and has separate suction pipes for a part of the running path where a large amount of fluff is generated and a part where lint is generated. Each suction pipe is connected to a blower through an individual dust box, and the suction pipe opened to a part where a small amount of fluff is generated on the thread running path is connected to a blower different from the above-mentioned blower. In addition, the dust box is connected to the dust box through a separate dust box.

[Effect]

The fluff generated by the spinning machine passes through a fluff suction pipe and is collected into a fluff dust box, and the lint passes through a lint suction pipe and is collected into a lint dust box.

〔Example〕

1 and 2 show an example in which the present invention is applied to a pneumatic spinning machine. This spinning machine has a large number of spinning units U arranged side by side along the machine base, and a gear box 1 and a blower box 2 are arranged at both ends. As shown in FIG. 1, the frame 3 of the spinning machine has a U-shaped cross section, and has a bogie running space 4 formed therein. In each spinning unit U, a draft device 5, an air injection nozzle 6, a cutter 7, a delivery roller 8, a slab catcher 9, and a winding device 10 are arranged in order along the travel path of the yarn Y. The draft device 5 consists of roller pairs of a back roller 11, a middle roller 12, and a front roller 13, and the air injection nozzle 6 has two nozzles that apply compressed swirling airflow in opposite directions to the sliver S. There is. Also, the slab catcher 9 is thread Y.
When a slab is detected inside, the cutter 7 is actuated to cut the sliver S, and the cut roller 11 is further stopped. The sliver S drawn out from the can K installed behind the frame 3 is drafted by the drafting device 5, introduced into the air injection nozzle 6, twisted and turned into a spun yarn Y, and further transferred to the delivery roller 8.
After passing through the slab catcher 9, it is wound onto a package P which is rotated in contact with the friction roller 14 of the winding device 10. SP1 is a first suction pipe having a suction port 16 near the entrance of the front roller 13 and the air injection nozzle 6, and communicates with a large-diameter first duct D1 fixed on the frame 3. Further, SP2 is a second suction pipe having a suction port 17 near the outlet of the air injection nozzle 6 and the cutter 7, and communicates with a second duct D2 fixed on the frame 3. SP3 has a suction port 1 between the delivery roller 8 and the slab catcher 9.
8 and communicates with a third duct D3 fixed to the frame 3. More SP
A fourth suction pipe 4 has a suction port 19 near the back roller 11 and the middle roller 12, and is fixed through the frame 3 vertically, and the lower end opening 20 faces downward into the upper part of the bogie running space 4. There is. 21 and 22 are rails installed above and below the bogie running space 4, and the yarn splicing bogie 23 is attached to the rails 2.
1 and 22 to reciprocate within the bogie running space 4 along each unit U. A knotter 24 is provided on the trolley 23, and a suction nozzle 25 and a suction mouth 26 are each rotatably supported, and a third dust box 27, which will be described later, and an air intake source, that is, a blower 28, are connected to the box. Each is installed.

FIG. 3 shows the inside of the blower box 2. As shown in FIG. A first dust box 30 and an intake blower 31 communicating with the box 30 are housed in the blower box 2, and the first dust box 3
A second dust box 32 is housed and fixed inside the dust box 0. The inside of the first dust box 30 is partitioned by a relatively fine mesh filter 33 to form a fluff collection chamber 34, and the chamber 34 and the second dust box 32 are separated by a relatively coarse mesh filter 33. It is partitioned off by a filter 35. Reference numerals 36 and 37 indicate doors provided in each dust box 30 and 32, respectively. The first duct D1 described above is directly connected to the fluff collection chamber 34 of the first dust box 30, and is connected to the second and third ducts D1.
2, D3 and a fourth duct D4, which will be described later, are connected to the second dust box 32, respectively.

Next, the third dust box 27 on the yarn splicing carriage 23 will be explained with reference to FIGS. 4, 5a and 5b. The box 27 has a cylindrical shape with both sides open, and the opening is closed by two opening/closing lids 40. Further, both the opening/closing lids 40 are connected and fixed to each other by a shaft 41 rotatably supported on a truck, and a pin 42 is provided protruding from one of the opening/closing lids. Further, the third dust box 27 includes a pipe 43 that communicates with the blower 28, and a pipe 43 that communicates with the blower 28.
A suction pipe 44 provided on the opposite side, and pipes 45 and 46 communicating with the suction nozzle 25 and the suction mouth 26, respectively, are connected in communication with each other, and at the connection part between the pipe 43 and the third dust box 27. A net-like filter 47 is attached. As shown in FIG. 1, the suction pipe 44 is provided at a position corresponding to the lower end opening 20 of the fourth suction pipe SP4. Reference numeral 48 denotes an opening/closing pin protruding from the cart 23. As shown in FIG. 5a, the opening of the fourth duct D4 is closed by a shutter 51 which has a notch 49 and is rotatably suspended in the blower box 2 by a fixed shaft 50. An inverted L-shaped pin guide 52 is fixed to the blower box 2 on the side thereof.

The operation of the device of the present invention will be explained next.

The fluff contained in the sliver S is mainly scattered around the front roller 13 and the air injection nozzle 6 entrance. The fluff is scattered from the inside of the sliver to the surroundings by the friction of the front roller 13 having a high circumferential speed and by the balloon phenomenon of the sliver S caused by the air injection nozzle 6, and is transferred from the suction port 16 to the first suction pipe SP1. The first duct D
1 into the first dust box 30, and is blocked by the filter 33 and sent to the fluff collection chamber 3.
It is accumulated within 4.

Further, when a slab is present in the manufactured yarn Y, the slab catcher 9 detects this, the back roller 11 stops and the spinning is interrupted, and the cutter 7 cuts the yarn Y. At this time, the sliver S or yarn Y between the cross roller 11 and the cutter 7 is separated and passed through the suction port 17 to the second suction pipe SP2.
The dust is drawn in, fed into the second dust box 32 through the second duct D2, blocked by the filter 35, and accumulated in the second dust box 32.

After the yarn is cut by the cutter 7, the yarn splicing cart 23 travels and stops at the spinning unit U where the yarn was cut, and the suction nozzle 25 and the suction mouth 26 respectively turn to the positions indicated by the dashed-dotted lines. , the rotation of the cross roller 11 is resumed. The suction nozzle 25 returns to the solid line position after suctioning the yarn end on the spinning side exiting the air injection nozzle 6, and the suction mouth 26 returns to the solid line position after suctioning the yarn end on the package cage P side. In this way, both yarn ends are guided to the knotter 24 as shown in FIG. 6, and the yarn splicing is performed by the knotter. After that Notsuta 2
A not-shown cutter attached to 4 is located between the knot 24 and the suction nozzle 25, and between the knot 24 and the suction nozzle 25.
The yarn ends Y1 and Y2 stretched between the suction mouth 26 and the suction mouth 26 are cut, and winding of the yarn Y is restarted. The yarn ends Y1 and Y2 cut at this time
are sucked into the suction nozzle 25 and the suction mouth 26, respectively, and the pipes 45, 4
6 and is collected in the third dust box 27.

During the above-mentioned splicing, the third suction pipe SP3 sucks the needle thread on the spinning side that is continuously spun into a U-shape as shown in Fig. 6 to prevent the needle thread from sagging. . Further, during this thread splicing operation, the suction mouth 26 may fail to suck the bobbin thread on the package P side. At this time, since only the upper thread is guided to the knotter 24 by the suction nozzle 25, the thread splicing naturally fails, and after this thread splicing failure, the thread end Y
The needle thread released from the suction nozzle 25 and the knotter 24 is transferred to the slab catcher 9.
The third
It is sucked into the suction pipe SP3. Next, since the slab catcher 9 cannot detect the yarn Y, it issues a yarn cutting signal to stop the back roller 11 and operate the cutter 7, as in the case of slab detection described above. As a result, the thread end of the upper thread that has been suctioned into the third suction pipe SP3 is conveyed from the pipe SP3 into the second dust box 32 through the third duct D3.

Around the back roller 11 and the middle roller 12, the fluff in the sliver S falls or scatters, although in small amounts, together with dust and the like contained in the sliver, since the circumferential speeds of the rollers 11 and 12 are relatively slow. Further, the upper end of the suction pipe 44 on the yarn splicing carriage 23 is provided at a position facing the lower end 20 of the fourth suction pipe SP4 opened near the rollers 11 and 12, as described above, so that the yarn splicing carriage 23 runs. At this time, the suction pipe 44 sequentially communicates with the fourth suction pipe SP4 of each spinning unit U to connect the fourth suction pipe SP4 of each spinning unit U.
4 and sucks the fluff generated around the bag roller 11 and middle roller 12 into the third dust box 27. Therefore, while the yarn splicing cart 23 travels from one end of the main spinning machine to the other end, the fourth suction pipe SP4 of each spinning unit U is
The suction force is applied only once, but once is sufficient because the amount of fluff generated around the rollers 11 and 12 is small as described above.

Next, the third dust box 27 of the yarn splicing cart 23
Regarding the disposal of lint accumulated inside, such as fluff, etc.
This will be explained with reference to FIGS. 4, 5a and 5b.

When the yarn splicing cart 23 reaches the U-turn position inside the blower box 2, the opening/closing pin 48 attached to the cart
contacts the notch 49 of the shutter 51 of the fourth duct D4, causing the shutter 51 to rotate, and at the same time the third
When the pin guide 52 comes into contact with a pin 42 protruding from the opening/closing lid 40 of the dust box 27, the two opening/closing lids 40 pivot around the shaft 41. As a result, as shown in FIG. 5b, when the opening of the fourth duct D4 and the side surface of the third dust box 27 face each other, the opening of the fourth duct D4 is completely opened, and both sides of the third duct box 27 are also opened. The entire surface is opened, and the suction force of the fourth duct D4 overcomes the suction force of the pipe 43 to suck lint and the like in the third dust box 27 into the second dust box 32. The yarn splicing cart 23 moves from the position shown in FIGS. 4 and 5b to U.
When the lid 40 is turned, the pin 42 and the pin guide 52 engage with each other, and the shutter 51 returns to its original state as shown in FIG. 5a by its own weight.

As explained above, most of the fibers that fly from the sliver S come from the first suction pipe SP.
1 through the first duct D1 to the fluff collection chamber 34 of the first dust box 30, and then filtered through the filter 33.
They are prevented from moving and accumulated. Other extremely small amounts of fluff and thread waste generated during splicing are placed in the second category.
to the fourth suction pipes SP2, SP3, and SP4, the suction nozzle 25, and the suction mouth 26, respectively, and are transported into the second dust box 32. The lint carried into the second dust box 32 is blocked by a filter 35, and after passing through the filter 35, the fluff is blocked by the filter 33 of the first dust box 30 and collected in the fluff collection chamber 3.
It is accumulated within 4. In addition, since the suction air flow constantly acts on the lint collected in the second dust box 32 after being blocked by the filter 35, some of the lint is gradually loosened and becomes fluff, and the lint is collected in the second dust box 32.
5 and is collected in the fluff collection chamber 34. In this way, the first and second dust boxes 30, 32
The fluff and lint are separated from each other and accumulated, and are appropriately taken out through doors 36 and 37 and treated separately.

The structure and operation of this spinning machine are as described above, and it is capable of separating and collecting fluff and lint generated in the spinning process, but the nature of the present invention is not limited to the above embodiments. However, various design changes are possible in terms of the number and arrangement of ducts and dust boxes, and many other aspects.

[Effect of idea]

According to the present invention, fly fluff and lint generated in the spinning process can be separated and collected separately, which is convenient for reusing the collected fly fluff and the like.

Furthermore, in this invention, the suction pipes leading to separate blowers are opened for the part that generates a large amount of fluff and the part that generates a small amount of fluff, so all parts are connected to the blower with one large capacity. The blower can have a smaller capacity than the previous one, and is particularly effective in eliminating energy loss in a spinning factory with a large number of machines installed.

[Brief explanation of drawings]

Fig. 1 is a vertical side view of a pneumatic spinning machine to which the present invention is applied, Fig. 2 is a front view of the spinning machine, Fig. 3 is a perspective view showing the inside of the blower box, and Fig. 4 is a view of the inside of the blower box. A plan view of the yarn splicing cart at the U-turn position, FIGS. 5a and 5b are side views for explaining the action of the third dust box, and FIG. 6 is a side view for explaining the yarn splicing operation by the yarn splicing cart. It is a diagram. 30...First dust box, 31...Blower, 32...Second dust box, SP1 to SP4
...Suction pipe, Y...Thread, 28...Blower.

Claims (1)

[Scope of utility model registration request] A device for suctioning and removing fluff, etc. generated on a thread running path, in which separate suction pipes are opened in a part of the running path where a large amount of fluff is generated and a part where lint is generated. Each suction pipe is connected to a blower via a separate dust box, and the suction pipe, which is opened to a part where a small amount of fluff is generated on the yarn running path, is connected to a blower different from the above-mentioned blower, and the above-mentioned dust A suction device for fluff, etc. in a spinning machine, characterized in that the device communicates with the dust box through a dust box separate from the dust box.