JP2759040B2 - Knitting machine dust collector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel dust collecting apparatus for a knitting machine which collects and removes thread dust generated on an upper portion of the knitting machine.

[0002]

2. Description of the Related Art Generally, a knitting machine supplies a knitting yarn to a needle bed from a yarn wound of cheese, bobbin, or the like via a yarn feeding device or the like, and knits a knitted fabric with the needle bed. By the way, in the yarn feeder, the yarn dust of the knitting yarn is generated, but there is no means for collecting the yarn dust, but only the scattering.

[0003]

However, there is a problem that the scattered yarn dust adheres to the knitting yarn, thereby promoting the occurrence of yarn breakage or mixing in the knitted fabric to lower the quality. . Therefore, an object of the present invention is to provide a dust collecting device of a knitting machine capable of collecting and removing yarn dust generated by a yarn feeding device.

[0004]

In order to achieve the above object, the present invention takes the following technical measures. That is, removal dust collecting apparatus for a circular knitting machine of the present invention includes a recovery net which is rotatable yarn feeder circular knitting machine vertically axis around surrounding and and the circular knitting machine, the yarn feeding device Airflow generating means for generating an airflow for attaching the dust generated in the collection net to the collection net; and removing the dust attached to the collection net by wind power to collect the dust.
And dust collecting means provided at a fixed position as much as possible.

[0005]

According to the dust collecting apparatus of the present invention, the airflow generated by the airflow generating means causes the yarn generated by the yarn feeder to adhere to the collection net surrounding the yarn feeder.
And the dust attached to the collection net is removed from the collection net by wind power by the dust collecting means and collected.

By rotating the collection net around the longitudinal axis of the knitting machine, the dust is sequentially removed and collected over the entire collection net.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 3 show an embodiment of the present invention . In this embodiment, a dust collecting apparatus 1 comprises a knitting machine 2
It is provided in. This circular knitting machine 2 is provided with a large number of yarn feeders 4 for positively sending out the knitting yarn 3 around the longitudinal axis of the circular knitting machine 2. Then, the knitting yarn 3 is supplied to the needle bed 5 from a yarn winding of cheese, bobbin, or the like via the yarn feeding device 4 and knitted, and the knitted fabric 6 is wound by the winding device 7 below.

The dust collecting apparatus 1 includes a collecting net 11 surrounding the yarn feeder 4 of the circular knitting machine 2 and a collecting net 11.
There is provided an airflow generating means 12 for generating an airflow for attaching the yarn dust generated by the yarn feeding device 4 to the air, and a dust collecting means 13 for removing the yarn attached to the collection net 11 by wind power and collecting the dust. The collection net 11 includes a dust adhering portion 10 that allows air to permeate but does not allow thread and other contaminants to permeate, and the dust adhering portion 10 is attached to the outside of the yarn feeder 4 and to the outside. It is located below. More specifically, a ring-shaped upper frame 14 and a lower frame 15 are connected and fixed by a long joining member 16, and a side net 17 is stretched between the upper and lower frames 14, 15. A ring-shaped inner frame 18 is connected and fixed to the inner peripheral side of the lower frame 15 by a joining member 16, and a bottom net 19
The side net 17 and the bottom net 19 constitute the thread adhesion portion 10. Further, a flange 2 extending outward is provided on the outer peripheral edge of the upper end of the collection net 11.
0 is provided over the entire circumference of the collection net 11.

The recovery net 11 is rotatably provided around the longitudinal axis of the circular knitting machine 2 by being supported by three rotatable support rollers 9 with its radial direction as the central axis direction. That is, three columns 8 extending radially along the inner surface of the recovery net 11 are provided on the frame 2a of the circular knitting machine 2, and a support member 25 is extended downward from an outer end of the column 8 to support the support member 25. 25, the flange 20 of the collection net 11
The support roller 9 contacting the lower surface of the collecting net 11
The support roller 9 is provided with a flange portion 9 a that comes into contact with the outer end surface of the flange 20.

[0010] Further, a rotation driving means for driving the recovery net 11 to rotate is provided. As shown in FIG. 3, the rotation driving means includes a motor 21 and a driving roller 22 driven by the motor 21 in this embodiment. The supporting roller 9 and the driving roller 2 correspond to one of them.
The recovery net 11 is provided so as to sandwich the flange 20 of the recovery net 11, and the motor 21 is controlled by a timer or the like so that the recovery net 11 rotates intermittently.

The air flow generating means 12 includes a blower 23 for blowing the yarn feeder 4 from the opposite side to the yarn attaching portion 10 of the collection net. The blower 23 is
The circular knitting machine 2 includes two fans 24 rotatably provided on the top of the circular knitting machine around its vertical axis. This fan 24
The fan 2 is arranged to blow air from above and inside the yarn feeder 4 toward the yarn feeder 4.
By operating the device 4, an airflow flows from the yarn feeder 4 to the inner surface side of the collection net 11, and the thread dust generated by the yarn feeder 4 is forcibly attached to the collection net 11. Further, a rotation device 30 such as a motor for rotating the fan 24 around the longitudinal axis of the circular knitting machine 2 with respect to the collection net 11 is provided, and is provided around the longitudinal axis of the circular knitting machine 2. The yarn dust generated by the yarn feeders 4 can be sequentially attached to the collection net 11 for the plurality of yarn feeders 4.

The dust collecting means 13 includes an air jet pipe 27 for jetting air from the outer surface side of the recovery net 11, a dust suction pipe 28 for sucking the dust removed from the net by the wind force of the jetted air. And a dust collecting box 29 for collecting sucked lint. The air ejection pipe 27 is provided with a plurality of small holes 27 a on the side of the collection net 11 facing the dust adhesion portion 10. 27
Air is blown out from a toward the dust attaching portion 10 (that is, the side net 17 and the bottom net 19 in this embodiment).

The yarn suction tube 28 has a plurality of suction holes 28a provided on the side of the collection net 11 facing the yarn adhesion portion 10, and the yarn blown off by the wind force of the air ejected from the air ejection tube 27. The dust is sucked from the suction hole 28a, and the sucked lint is collected in a dust collection box 29 provided outside the circular knitting machine 2. According to the dust collector of the present embodiment, the yarn dust generated by the large number of yarn feeders 4 provided around the longitudinal axis of the circular knitting machine 2 rotates around the longitudinal axis of the circular knitting machine 2. The air flow generated by the two fans 24 forces the yarn from the yarn feeder 4 toward the dust attaching portion 10 of the collection net 11 to adhere to the dust attaching portion 10.

On the other hand, due to the wind force of the air jetted from the small holes 27a of the air jet pipe 27 of the dust collecting means 13, the dust adhesion portion 1
While removing and removing the dust adhering to 0, the removed dust is sucked through the suction hole 28a of the dust suction pipe 28 and collected in the dust collection box 29. Then, the collecting net 11 is intermittently rotated about the longitudinal axis of the circular knitting machine 2, and the dust attached to the dust attaching portion 10 is removed and collected by the dust collecting means 13 over the entire circumference of the collecting net 11. Dust.

Therefore, according to the present embodiment, it is possible to remove and collect the yarn dust to the outside of the circular knitting machine 2 while minimizing the scattering of the yarn dust generated by the yarn feeder 4, and thus the yarn can be collected. It is possible to eliminate the occurrence of yarn breakage due to dust adhering to the knitting yarn, to prevent the quality deterioration due to the knitting of the yarn dust into the knitted fabric 6, and to improve the environment.

The present invention is not limited to the above embodiment. For example, although the collection net 11 is circular, it may be polygonal, and the dust adhesion portion 10 is constituted by the side net 17 and the bottom net 19.
The design can be changed as appropriate, such as only the side net 17 or only the bottom net 19. Further, the airflow generating means 12
In place of the blower 23 of the above-described embodiment, a blower having a sufficient output is arranged so as to blow downward from above the central portion of the recovery net 11, and the wind generated by the blower is transmitted vertically to the circular knitting machine 2. A guide plate may be provided which is turned to an airflow flowing from the many yarn feeders 4 provided around the axis to the inner surface side of the collection net 11.

[0017]

As described above, according to the present invention, removing dust collecting apparatus for a circular knitting machine of the present invention it is rotatably provided a yarn feeding device of the circular knitting machine vertically axis around surrounding vital circular knitting machine A collection net, an airflow generating means for generating an airflow for attaching the dust generated by the yarn feeder to the collection net, and a fixed position for removing the dust attached to the collection net by wind power to collect the dust . Since it is provided with a dust collecting means, it is possible to collect and remove the yarn dust generated by the yarn feeder, and to prevent the yarn from breaking due to the yarn adhering to the knitting yarn. And the quality of the knitted fabric can be improved.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is a plan view showing a collection net.

FIG. 3 is a side view showing a rotation driving unit of the collection net.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 dust removal device 2 knitting machine 4 yarn feeder 11 collection net 12 airflow generation means 13 dust collection means

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-101145 (JP, A) JP-A-6-101146 (JP, A) JP-A-6-294049 (JP, A) 263 (JP, U) JP 3-16416 (JP, B2) JP 50-9902 (JP, B1) (58) Fields investigated (Int. Cl. ⁶ , DB name) D04B 35/32

Claims (1)

(57) [Claims] 1. A circular knitting machine and the yarn feeding device (4) vertical axis rotatably provided a recovery net around the enclosing and and the circular knitting machine (2) to (11) of (2), the yarn An air flow generating means (12) for generating an air flow for adhering the dust generated by the feeding device (4) to the collection net (11); and removing the dust adhering to the collection net (11) by wind power to collect the dust. dust all
Ku removal dust collecting apparatus for a circular knitting machine, characterized in that it comprises a dust collecting means disposed in a fixed position (13).