KR20230106834A - A circular knitting machine equipped with a dust collection function - Google Patents

Abstract

According to the present invention, it is possible to more easily collect foreign substances such as fuzz, and as a result, the quality and performance of knitting can be greatly improved, and the yield rate can be greatly improved. This can be improved, furthermore, disease or disease caused by foreign substances such as fluff can be prevented, and in addition, a dust collection function that can easily secure a replacement repair space and can perform replacement repair more easily is provided. It relates to a circular knitting machine, which includes a circular table, a plurality of knitting needles disposed inside the circular table, and a yarn feeding unit for supplying yarn to the knitting needles through a yarn carrier disposed above the plurality of knitting needles, and the knitting needles a cam holder having a cylinder accommodating the needle in the needle groove, a control cam for controlling the knitting needle relative to the cylinder, and a cam ring supporting the cam holder; It is characterized in that a dust collection unit is disposed in a state of wrapping the outer periphery of the yarn carrier, and has a suction port formed in a direction facing the yarn carrier to collect foreign substances scattered around the yarn carrier.

Description

A circular knitting machine equipped with a dust collection function}

According to the present invention, it is possible to more easily collect foreign substances such as fuzz, and as a result, the quality and performance of knitting can be greatly improved, and the yield rate can be greatly improved. This can be improved, furthermore, disease or disease caused by foreign substances such as fluff can be prevented, and in addition, a dust collection function that can easily secure a replacement repair space and can perform replacement repair more easily is provided. It is about a circular knitting machine.

In general, a fabric woven by a loom is woven with warp and weft yarns crossing each other up and down to become a fabric of a predetermined area, and various patterns or patterns can be formed depending on the weaving method. As weaving technology develops, the fabric is automatically As one of the looms for weaving, circular knitting machines are common.

In relation to such a circular knitting machine, recently, a detection means for detecting the rotation state of the knitting machine and a driving means for driving a yarn feeding device in response to a signal detected by the detection means are installed to automatically control yarn feeding and automatically adjust knit density. has been proposed as Korean Registered Patent Publication No. 10-0771340.

The circular knitting machine proposed by Korean Registered Patent Publication Registration No. 10-0771340 is largely a class for supplying yarn to the knitting needles through a plurality of knitting needles disposed inside the circular table and a yarn carrier disposed above the plurality of knitting needles It is configured to include a master part, a cylinder accommodating the knitting needle in the needle groove, a cam holder having a control cam for controlling the knitting needle by the cylinder, and a cam ring supporting the cam holder.

However, fluff generated in the yarn due to the frictional force generated between the yarn carrier and the circle during the process of supplying yarn to the knitting needle through the yarn carrier of the circular knitting machine proposed in Korean Registered Patent Publication No. 10-0771340 In addition, foreign substances such as fluff generated in the yarn are scattered, resulting in a poor working environment, and furthermore, foreign substances such as scattered fluff are transmitted through the respiratory system to the worker's health. There is a problem in that it is inhaled into the body and causes disease or disease.

Korean Registered Patent Registration No. 10-0771340

The present invention was created to solve the above-described problems, and it is possible to more easily collect foreign substances such as scattered fluff, and this improves knitting quality and performance, so that the yield rate can be greatly improved, as well as fluff The work environment can be improved because there is no fear of scattering of foreign substances such as fluff, etc., and disease or disease caused by foreign substances such as fluff can be prevented. Its object is to provide a circular knitting machine equipped with a dust collecting function that can be easily replaced and repaired.

The present invention for achieving the above object is a yarn feeding unit for supplying yarn to the knitting needles through an annular table, a plurality of knitting needles disposed inside the annular table, and a yarn carrier disposed above the plurality of knitting needles, , In a circular knitting machine including a cylinder accommodating the knitting needle in the needle groove, a cam holder having a control cam for controlling the knitting needle on the cylinder, and a cam ring supporting the cam holder, the outer periphery of the yarn carrier Provided is a circular knitting machine with a dust collection function, characterized in that it is arranged in a wrapped state, and a dust collecting part is provided to collect foreign substances scattered around the yarn carrier by having a suction port formed in a direction facing the yarn carrier.

Here, the dust collecting unit is installed at a predetermined angle on the outside of the annular table, and includes a plurality of fixed chambers including through-holes formed in the lower portion, one side shaft tube portion and the other shaft tube unit formed on one side and the other side, respectively; It is provided between the plurality of fixed chambers, and the other side shaft hole into which one side shaft tube portion of one fixed chamber is inserted is formed at the lower side of the other side, and the other side shaft hole into which the other side shaft tube portion of the other fixed chamber is inserted is formed at the lower side of the other side, a rotating suction chamber having a suction port formed at an upper end to suck in foreign substances scattered around the yarn carrier; It is preferable to include; a plurality of vacuum suction units connected through the through-holes of the fixing chamber and the suction pipe and provided with a filtering unit.

And, it is preferable that the upper part of the rotating suction chamber is inclined inward as it goes upward.

Furthermore, it is preferable that the lower part of the rotary suction chamber is provided with an angle adjusting unit for adjusting the rotation angle when the rotary suction chamber rotates inwardly around one side shaft tube and the other shaft tube unit of the plurality of fixed chambers.

In addition, the angle adjustment unit protrudes inward from the lower portion of the rotary suction chamber and an extension plate portion having a screw hole formed at an end thereof; It is preferable to include; an angle adjusting bolt screwed into the screw hole of the extension plate and having a lower end supported on an upper surface of the edge of the annular table.

According to the present invention, foreign matter such as fluff scattered around the yarn carrier can be more easily collected through the dust collecting unit disposed around the outer periphery of the yarn carrier, and thus, the knitting quality and performance are improved, thereby increasing the yield rate. Not only can it be greatly improved, but the working environment can be improved because there is no risk of scattering of foreign substances such as fluff, and furthermore, there is no risk of foreign substances such as fluff being inhaled into the body of the worker through the respiratory system. It is possible to prevent disease or disease induction due to, and in addition, after rotating the rotary suction chamber of the dust collection unit to the outside of the annular table, replacement repair space is easily secured between the annular table and the dust collection unit to facilitate replacement of needles and the like. There is a repair effect.

1 is a front view schematically showing a circular knitting machine equipped with a dust collecting function, which is an embodiment of the present invention;
2 is a front view schematically showing a state in which the dust collecting unit collects foreign substances scattered around the yarn carrier;
3 is a perspective view schematically showing a dust collector,
Figure 4 is a partial perspective view of Figure 3,
5 is a cross-sectional view taken along line A-A in FIG. 4 schematically showing a fixed chamber;
6 is a cross-sectional view taken along line B-B of FIG. 4 schematically showing a rotating suction chamber;
7 is a partial cutaway enlarged front view schematically showing a coupled state of a fixed chamber and a rotating suction chamber;
Figure 8 is an enlarged front view of a partial incision of Figure 7;
9 is a partially cut-away front view schematically showing an example of a vacuum suction unit;
10 is a partial cutaway front view schematically showing another example of a vacuum suction unit;
11 is a front view schematically showing a state in which a replacement repair space is secured between a dust collector and an annular table;
12 and 13 are partially enlarged front views schematically showing a state in which the rotational angle of the rotational suction chamber is adjusted by the angle adjusting unit.

Hereinafter, a preferred embodiment of the present invention will be described in more detail based on the accompanying drawings. Of course, the scope of the present invention is not limited to the following examples, and can be variously modified and implemented by those skilled in the art without departing from the technical gist of the present invention.

1 is a front view schematically showing a circular knitting machine having a dust collecting function according to an embodiment of the present invention, and FIG. 2 is a front view schematically showing a state in which a dust collecting unit collects foreign substances scattered around a yarn carrier.

As shown in FIGS. 1 and 2, the circular knitting machine having a dust collection function, which is an embodiment of the present invention, includes an annular table 10; a plurality of knitting needles 20 disposed inside the annular table 10; a yarn feeding unit (not shown) supplying yarn 3 to the knitting needles 20 through the yarn carrier 21 disposed above the plurality of knitting needles 20; a cylinder (not shown) accommodating the knitting needle 20 in a needle groove (not shown); a cam holder (not shown) having a control cam (not shown) for controlling the knitting needle 20 on the cylinder (not shown); a cam ring (not shown) supporting the cam holder (not shown); It includes a dust collection unit 70 for collecting foreign substances.

The annular table 10, the plurality of knitting needles 20, a yarn feeder (not shown), a cylinder (not shown), a cam holder (not shown), and a cam ring (not shown) are registered in Korean Patent Publication No. 10- Since it has been announced through No. 0771340, etc., detailed descriptions will be omitted below.

The dust collection unit 70 may be disposed in an annular shape while surrounding the outer periphery of the yarn carrier 21 .

A suction port may be formed at a portion of the dust collecting part 70 located in a direction facing the ocean from the yarn carrier 21, and the dust collecting part 70 through the suction hole removes fluff scattered around the yarn carrier 21 to the outside. of foreign matter can be collected.

3 is a perspective view schematically illustrating a dust collector, and FIG. 4 is a partial perspective view of FIG. 3 .

The dust collecting unit 70 may include, for example, a plurality of fixed chambers 710, a rotating suction chamber 720, and a vacuum suction unit, as shown in FIGS. 3 and 4.

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4 schematically showing a fixed chamber.

A plurality of the fixing chambers 710 may be radially installed at a predetermined angle outside the annular table 10 .

Lower discharge pipes 700 communicating with the plurality of fixed chambers 710 may be vertically formed at a predetermined length at the bottom of the plurality of fixed chambers 710 .

A through hole 711 inside the lower discharge pipe 700 may be vertically extended along the lower discharge pipe 700 to a certain length.

On one side and the other side of the plurality of fixed chambers 710, an annular one-side shaft tube portion 712 and an annular other shaft tube portion 713 communicating with the plurality of fixed chambers 710 are provided in the plurality of fixed chambers ( 710) may protrude with a predetermined length in the outer direction of one side and the outer direction of the other side.

As shown in FIGS. 3 and 4 , the rotating suction chamber 720 may be provided between the plurality of fixed chambers 710 .

6 is a cross-sectional view taken along line B-B of FIG. 4 schematically showing a rotational suction chamber, FIG. 7 is an enlarged front view schematically showing a coupled state of a fixed chamber and a rotational suction chamber, and FIG. 8 is an enlarged front view of FIG. This is an enlarged frontal view of a partial incision.

As shown in FIGS. 6 to 8, one side shaft tube 712 of one of the fixed chambers 710 adjacent to the other side of the rotation suction chamber 720 is inserted into the lower part of the other side of the rotation suction chamber 720 as shown in FIGS. The other shaft hole 721 may be formed.

In addition, a shaft hole 722 on one side into which the shaft tube 713 of the other side of the fixed chamber 710 adjacent to one side of the rotation suction chamber 720 is inserted is formed at the bottom of one side of the rotation suction chamber 720. It can be.

Furthermore, a suction port 723 may be formed at an upper end of the rotating suction chamber 720 to suck foreign substances such as fluff scattered outside the yarn carrier 21 .

One inlet 723 may be formed at the upper end of the rotary suction chamber 720, but is not necessarily limited thereto, and the suction efficiency of foreign substances such as fluff of the rotary suction chamber 720 can be greatly improved. To this end, of course, a plurality of suction holes 723 may be formed at regular intervals in the vertical direction of the rotary suction chamber 720 at the upper end of the rotary suction chamber 720 .

9 is a partially cut-away front view schematically showing an example of a vacuum suction unit.

The vacuum suction unit 730 may be connected to each of the through holes 711 of the plurality of fixed chambers 710 and the suction pipe 731 .

In the vacuum suction unit 730, foreign substances such as lint contained in the air sucked into the vacuum suction unit 730 are removed from the air by any one of a cyclone method and a filter method, or a mixture of a cyclone method and a filter method. A known filtering unit (not shown) for removing in a mixed manner may be provided.

The suction pipe 731 may be made of various types such as hoses and pipes.

For example, as shown in FIG. 9 , the vacuum suction unit 730 may be formed in plurality.

A plurality of suction pipes 731 may be respectively provided between the upper portions of the plurality of vacuum suction units 730 and the lower portions of the lower discharge pipes 700 of the plurality of fixed chambers 710 .

The upper portions of the plurality of suction pipes 731 may be connected and fixed to the lower portions of the lower discharge pipes 700 of the plurality of fixing chambers 710 in various ways, such as press-fitting or screwing.

The lower portions of the plurality of suction pipes 731 may be airtightly connected and fixed to the upper portions of the plurality of vacuum suction portions 730 in various ways such as interference fitting and screw coupling so as to communicate with the plurality of vacuum suction portions 730. can

By the suction force of the vacuum suction part 730, air together with foreign substances such as fluff scattered outside the yarn carrier 21 pass through the suction port 723 of the rotary suction chamber 720 and enter the rotary suction chamber ( 720), through-holes 711 formed inside the plurality of fixed chambers 710, inside the lower discharge pipes 700 of the plurality of fixed chambers 710, and the suction pipe 731 It can pass through sequentially and be sucked into the vacuum suction part 730 .

10 is a partial cutaway front view schematically showing another example of a vacuum suction unit.

As another example, as shown in FIG. 10 , the vacuum suction part 730 may be formed of one.

Also, the suction pipe 731 may be composed of a main suction pipe 731a and a branch suction pipe 731b.

The lower part of the main suction pipe 731a may be airtightly connected and fixed to the upper part of the one vacuum suction part 730 in various ways such as interference fitting and screwing.

The branch suction pipe 731b may be radially branched into a plurality of branches at regular intervals from the top of the main suction pipe 731a.

The upper part of the branch suction pipe 731b may be connected and fixed to the lower part of the lower discharge pipe 700 of the plurality of fixing chambers 710 in various ways, such as press-fitting or screwing.

As described above, the present invention can more easily collect foreign substances such as fluff scattered around the yarn carrier 21 through the dust collection unit 70 disposed while wrapping the outer periphery of the yarn carrier 21. As a result, not only can the yield rate be greatly improved by improving the quality and performance of knitting, but also the working environment can be improved because there is no risk of scattering of foreign substances such as fluff. There is no fear of being inhaled into the body of a worker through the respiratory system, so there is an advantage in preventing diseases or disease induction caused by foreign substances such as fluff.

11 is a front view schematically showing a state in which a replacement repair space is secured between a dust collector and an annular table.

In addition, as shown in FIG. 11, the present invention rotates the upper end of the rotary suction chamber 720 of the dust collecting part 70 to the outside of the annular table 10, and then the annular table 10 and the dust collecting part 70 There is an advantage in that replacement and repair space S can be easily secured between the rotating suction chambers 720 of the knitting needle 20 and the like can be more easily replaced and repaired.

12 and 13 are partially enlarged front views schematically showing a state in which the rotational angle of the rotational suction chamber is adjusted by the angle adjusting unit.

Next, in order to prevent the rotary suction chamber 720 from rotating outwardly of the annular table 10 during the process of collecting foreign substances such as fluff through the rotary suction chamber 720 of the dust collecting unit 70. As shown in FIGS. 12 and 13, the upper part of the rotary suction chamber 720 is inclined so that the center of gravity of the upper part of the rotary suction chamber 720 is biased toward the upper inner side of the annular table 10. It is preferable that the upper portion of the annular table 10 is inclined at a predetermined angle from the lower side of the chamber 720 to the upper side.

In addition, in the lower part of the inner surface of the plurality of rotation suction chambers 720, the upper portion of the rotation suction chamber 720 is centered on one side shaft tube portion 712 and the other side shaft tube portion 713 of the plurality of fixed chambers 710. When the annular table 10 rotates to the inside of the top, the rotation angle of the top of all the plurality of rotational suction chambers 720 or the rotational suction chamber 720 of any one or more of the plurality of rotational suction chambers 720 ) An angle adjusting unit 80 for individually adjusting the rotation angle of the upper part may be further provided.

For example, as shown in FIGS. 12 and 13, the angle adjusting unit 80 may include an extension plate 810 and an angle adjusting bolt 820.

The extension plate portion 810 may protrude horizontally with a predetermined length from the lower inner surface of the rotary suction chamber 720 toward the upper inner side of the annular table 10 .

A screw hole 811 may be eccentrically formed in the extension plate portion 810 . For example, the screw hole 811 may be formed at one end of the extension plate portion 810 .

The angle adjusting bolt 820 may be vertically screwed into the screw hole 811 of the extension plate part 810 .

The lower end of the angle adjusting bolt 820 may be seated and supported on an upper edge surface of the annular table 10 .

For example, when the angle adjusting bolt 820 is rotated clockwise by an operator as shown in FIG. 12, the upper portion of the rotating suction chamber 720 gradually rises toward the upper portion of the rotating suction chamber 720. can do.

When the angle adjusting bolt 820 is rotated counterclockwise by an operator as shown in FIG. 13, the upper portion of the rotating suction chamber 720 may gradually rise toward the lower portion of the rotating suction chamber 720. there is.

10; annular table, 20; needle,
70; dust collector.

Claims (5)

A yarn feeding unit for supplying yarn to the knitting needles through an annular table, a plurality of knitting needles disposed inside the annular table, and a yarn carrier disposed above the plurality of knitting needles, a cylinder accommodating the knitting needles in a needle groove, In the circular knitting machine including a cam holder having a control cam for controlling an ocean knitting needle in the cylinder, and a cam ring supporting the cam holder,
It is disposed in a state of wrapping the outer periphery of the yarn carrier, and a dust collection unit is provided to collect foreign substances scattered around the yarn carrier by having a suction port formed in a direction facing the yarn carrier. Equipped with a dust collecting function, characterized in that circular knitting machine.
According to claim 1,
The dust collection unit is installed outside the annular table at a predetermined angle, and includes a plurality of fixed chambers including through-holes formed in the lower portion, one side shaft tube portion and the other shaft tube unit formed on one side and the other side, respectively;
It is provided between the plurality of fixed chambers, and the other side shaft hole into which one side shaft tube portion of one fixed chamber is inserted is formed at the lower side of the other side, and the other side shaft hole into which the other side shaft tube portion of the other fixed chamber is inserted is formed at the lower side of the other side, a rotating suction chamber having a suction port formed at an upper end to suck in foreign substances scattered around the yarn carrier;
A circular knitting machine with a dust collecting function, characterized in that it comprises a;
According to claim 2,
Circular knitting machine with a dust collection function, characterized in that the upper portion of the rotary suction chamber is inclined inward as it goes upward.
According to claim 3,
The lower part of the rotary suction chamber has a dust collecting function, characterized in that an angle adjusting unit for adjusting the rotation angle when the rotary suction chamber rotates inward around one side shaft tube and the other shaft tube unit of a plurality of fixed chambers is provided circular knitting machine.
According to claim 4,
The angle adjustment unit protrudes inward from the lower portion of the rotary suction chamber and includes an extension plate portion having a screw hole formed at an end thereof;
Circular knitting machine with a dust collecting function, characterized in that it comprises a; angle adjusting bolt screwed into the screw hole of the extension plate and whose lower end is supported on the upper surface of the edge of the annular table.

Images