A circular knitting machine with adjustable yarn supply mechanism

Abstract

The present invention discloses a large circular knitting machine with an adjustable yarn supply mechanism, including a large circular knitting machine, the large circular knitting machine including a frame and a yarn supply mechanism, a weaving mechanism, a pulling and winding mechanism, a transmission mechanism and an electrical control system arranged on the frame, the yarn supply mechanism including a linear motion module, an arc-shaped yarn frame, and a traction arm, the frame is fixedly connected with a linear motion module, the linear motion module includes a moving platform capable of linear motion, the moving platform and the arc-shaped yarn frame are connected through a traction arm, the arc-shaped yarn frame is fixedly connected with a yarn storage device and a yarn feeding nozzle, the arc-shaped yarn frame can be driven to rise or fall through the linear motion module, and a dust removal mechanism is fixedly connected to the upper part of the yarn supply mechanism on the frame. The present invention is designed in the technical field of large circular knitting machines, and can reduce the height of the yarn storage device and the yarn feeding nozzle, so as to facilitate the arrangement of yarns, thereby improving the production efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of circular knitting machines, in particular to a circular knitting machine with an adjustable yarn supply mechanism. Background Art

[0002] A circular knitting machine is a textile machine, which generally includes a yarn supply mechanism, a weaving mechanism, a pulling and winding mechanism, a transmission mechanism, and an electrical control system. The yarn passes through the yarn supply mechanism and enters the weaving mechanism. The weaving mechanism is driven by the transmission mechanism to weave the yarn. The woven fabric can be wound up by the pulling and winding mechanism, and the electrical control system can be used to realize the electrical control of the device. Specifically, the yarn supply mechanism generally includes a yarn storage device and a yarn feeding nozzle. The yarn storage device is used to wind the yarn. The yarn feeding nozzle is also called a steel shuttle or a yarn guide, which is used to feed the yarn directly to the knitting needle. Therefore, before the circular knitting machine works, the yarn needs to be arranged through the yarn storage device and the yarn feeding nozzle. In the prior art, the yarn supply mechanism of the circular knitting machine is generally located at the top of the device, and its height is generally high. Therefore, it is very inconvenient to arrange the yarn in the yarn storage device and the yarn feeding nozzle. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the object of the present invention is to provide a circular knitting machine which can reduce the height of a yarn storage device and a yarn feeding nozzle, thereby facilitating the arrangement of yarns and thereby improving production efficiency.

[0004] The technical solution adopted by the present invention to achieve the above-mentioned purpose is: a large circular knitting machine with an adjustable yarn feeding mechanism, comprising a large circular knitting machine, the large circular knitting machine comprising a frame and a yarn feeding mechanism, a weaving mechanism, a pulling and winding mechanism, a transmission mechanism and an electrical control system arranged on the frame, the yarn feeding mechanism comprising a linear motion module, an arc-shaped yarn frame, and a traction arm, the frame is fixedly connected with the linear motion module, the linear motion module comprises a moving table capable of linear motion, the moving table and the arc-shaped yarn frame are connected through the traction arm, the arc-shaped yarn frame is fixedly connected with a yarn storage device and a yarn feeding nozzle, the arc-shaped yarn frame can be driven to rise or fall by the linear motion module, and the frame is fixedly connected with a dust removal mechanism located on the upper part of the yarn feeding mechanism.

[0005] In one embodiment, the linear motion module also includes a sliding column, a screw and a reduction motor. The sliding column is fixedly connected to the frame, the moving table is slidably connected to the sliding column, the moving table is threadedly connected to the screw, the reduction motor is fixedly connected to the frame, and the reduction motor is dynamically connected to the screw.

[0006] In one embodiment, the frame includes a bottom frame, a support frame, a truncated table and a top frame, the bottom frame is provided with the weaving mechanism and the transmission mechanism, a plurality of groups of the support frames are fixedly connected to the upper part of the bottom frame, the weaving mechanism is located between the support frames, the top of the support frame is fixedly connected to the truncated table, the top of the truncated table is fixedly connected to the top frame, and the dust removal mechanism is fixedly connected to the top frame.

[0007] In one embodiment, a plurality of groups of the arc-shaped yarn frames are rotatably connected to the circular platform, and each group of the arc-shaped yarn frames on the circular platform is fixedly connected to the linear motion module, the top end of the sliding column is fixedly connected to the top frame, the top frame is fixedly connected to the reduction motor, the reduction motor is dynamically connected to the lead screw, a rotating part is provided on the moving platform, the traction arm is rotatably connected to the connecting part, and the other end of the traction arm is rotatably connected to the arc-shaped yarn frame.

[0008] In one embodiment, the arc-shaped yarn frame includes an arc-shaped outer frame, a connecting frame and a rotating frame, and the two ends of the arc-shaped outer frame are respectively fixedly connected with a group of the connecting frames, and the other ends of the two groups of the connecting frames are respectively fixedly connected to the rotating frame. The rotating frame is provided with a first rotating part and a second rotating part, the first rotating part is rotatably connected to the table, and the second rotating part is rotatably connected to the traction arm, and the yarn storage device and the yarn feeding nozzle are both fixedly connected to the arc-shaped outer frame.

[0009] In one embodiment, the first rotating part is a rotating shaft fixedly connected to the rotating frame, a first shaft frame is fixedly connected to the truncated platform corresponding to the rotating shaft, a first shaft hole is provided on the first shaft frame, and the rotating shaft is rotatably connected in the first shaft hole;

[0010] The second rotating part is a rotating groove provided on the rotating frame, a rotating hole is provided on the rotating frame in the rotating groove, a first shaft is provided on the traction arm, and the first shaft is rotatably connected in the rotating hole;

[0011] The moving platform is fixedly connected with a second shaft frame, the second shaft frame is provided with a second shaft hole, the traction arm is provided with a second shaft rod, and the second shaft rod is rotatably connected in the second shaft hole.

[0012] In one embodiment, a plurality of groups of the traction arms are fixedly connected to the moving platform, and the other ends of the traction arms are fixedly connected to the arc-shaped yarn frame.

[0013] In one embodiment, the dust removal mechanism includes a dust removal outer box, a fan, and an air guide platform. The top frame is provided with a mounting groove, the dust removal outer box is fixedly connected to the mounting groove, the fan is fixedly connected to the inside of the dust removal outer box, the top of the dust removal outer box is provided with an air inlet, the bottom of the dust removal outer box is provided with a plurality of air outlets, the air outlets are inclined toward the arc-shaped yarn frame, and the bottom of the dust removal outer box is fixedly connected with an air guide platform on the circular platform, and the air guide platform adopts a conical structure.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The lead screw can be driven to rotate by the reduction motor, so that the moving platform can slide linearly on the sliding column. When the moving platform slides, the traction arm can drive the arc creel to flip down or drop linearly, so that the height of the arc creel can be reduced, and then the height of the yarn storage device and the yarn feeding nozzle can be reduced. In this way, the yarn can be easily wound on the yarn storage device and passed through the yarn feeding nozzle as needed, so as to speed up the production efficiency. Different arc creels are controlled by different linear motion modules. In this way, when the weaving work is in progress, if the yarn is broken or the yarn is replaced, only the corresponding part needs to be lowered, which is more convenient to operate;

[0016] 2. A dust removal mechanism is provided at the upper part, and air can be blown out from the air outlet through a fan, and the air outlet is directed toward each set of arc-shaped yarn frames. The wind can also be directed to the side through the air guide platform at the bottom, so that the blown wind can blow the yarn, thereby preventing dust from falling on the yarn, causing dust to be woven into the knitted fabric, and affecting the quality of the knitted fabric. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of Embodiment 1 of the present invention;

[0018] Figure 2 It is a structural schematic diagram of Embodiment 2 of the present invention;

[0019] Figure 3 This is another state structure schematic diagram of the second embodiment of the present invention;

[0020] Figure 4 This is a structural schematic diagram of a yarn supply mechanism according to Embodiment 2 of the present invention;

[0021] Figure 5 This is a structural schematic diagram of the yarn supply mechanism of the second embodiment of the present invention from another viewing angle;

[0022] Figure 6 This is a schematic diagram of the arc-shaped creel structure of the second embodiment of the present invention;

[0023] Figure 7 This is a schematic diagram of the traction arm structure of the second embodiment of the present invention;

[0024] Figure 8 This is a schematic diagram of the internal structure of the dust removal outer box in the present invention;

[0025] Fig. 9 This is a schematic diagram of the structure of Embodiment 3 of the present invention;

[0026] Fig.10 This is another state structure schematic diagram of the third embodiment of the present invention;

[0027] Fig.11 This is a structural schematic diagram of the yarn supply mechanism of Embodiment 3 of the present invention.

[0028] In the figure: 101 bottom frame, 102 supporting frame, 103 round table, 104 top frame, 2 linear motion module, 201 moving table, 202 sliding column, 203 lead screw, 204 reduction motor, 205 connecting part, 206 second axis frame, 3 arc yarn frame, 301 arc outer frame, 302 connecting frame, 303 rotating frame, 304 first rotating part, 305 second rotating part, 306 rotating shaft, 307 first axis frame, 308 rotating groove, 4 traction arm, 401 first shaft rod, 402 second shaft rod, 5 yarn storage device, 6 yarn feeding nozzle, 7 dust removal mechanism, 701 dust removal outer box, 702 fan, 703 air guide platform, 704 air inlet, 705 air outlet. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0030] Embodiment 1

[0031] See also Figure 1 , a circular knitting machine with an adjustable yarn supply mechanism, comprising a circular knitting machine, the circular knitting machine comprising a frame and a yarn supply mechanism arranged on the frame for supplying yarn, a weaving mechanism for weaving the yarn, a pulling and winding mechanism for winding the woven fabric, a transmission mechanism for providing power to the weaving mechanism, and an electrical control system for realizing overall control;

[0032] The frame includes a bottom frame 101, a support frame 102, a round table 103 and a top frame 104. The bottom frame 101 is provided with a weaving mechanism and a transmission mechanism. The top of the bottom frame 101 is fixedly connected to multiple groups of support frames 102. The weaving mechanism is located between the support frames 102. The top of the support frame 102 is fixedly connected to the round table 103. The top of the round table 103 is fixedly connected to the top frame 104.

[0033] The yarn supply mechanism includes a linear motion module 2, an arc-shaped yarn frame 3, and a traction arm 4. The linear motion module 2 is fixedly connected to the round table 103 of the frame. The linear motion module 2 includes a moving table 201, a sliding column 202, a lead screw 203, and a reduction motor 204. The sliding column 202 is fixedly connected to the round table 103, and the top of the sliding column 202 is fixedly connected to the top frame 104, that is, the top frame 104 and the round table 103 are connected by the sliding column 202, the moving table 201 is slidably connected to the sliding column 202, and the moving table 201 is threadedly connected with the lead screw 203. Specifically, the moving table 201 is fixedly connected with a lead screw 203 seat, and the lead screw 203 is threadedly connected to the lead screw 203 seat. The frame is also fixedly connected with a reduction motor 204, and the reduction motor 204 is connected to the screw 203 by power, and the screw 203 can be driven to rotate by the reduction motor 204, so as to realize the linear sliding of the moving platform 201 on the sliding column 202. The above-mentioned moving platform 201 is connected to the arc-shaped yarn frame 3 by the traction arm 4, and the arc-shaped yarn frame 3 is fixedly connected with the yarn storage device 5 and the yarn feeding nozzle 6. The moving platform 201 can drive the arc-shaped yarn frame 3 to descend, and then the arc-shaped yarn frame 3 together with the upper yarn storage device 5 and the yarn feeding nozzle 6 are descended, so as to reduce the height of the yarn storage device 5 and the yarn feeding nozzle 6, so as to facilitate the arrangement of the yarn on the yarn storage device 5 and the yarn feeding nozzle 6. In order to prevent dust from falling on the yarn and causing the dust to be woven into the knitted fabric and affecting the quality of the knitted fabric, a dust removal mechanism 7 is also fixedly connected to the upper part of the yarn supply mechanism on the frame.

[0034] Embodiment 2

[0035] See also Figure 2 —8. A circular knitting machine with an adjustable yarn supply mechanism, comprising a circular knitting machine, the circular knitting machine comprising a frame and a yarn supply mechanism arranged on the frame for supplying yarn, a weaving mechanism for weaving the yarn, a pulling and winding mechanism for winding the woven fabric, a transmission mechanism for providing power to the weaving mechanism, and an electrical control system for realizing overall control;

[0036] The frame includes a bottom frame 101, a support frame 102, a round table 103 and a top frame 104. The bottom frame 101 is provided with a weaving mechanism and a transmission mechanism. The top of the bottom frame 101 is fixedly connected to multiple groups of support frames 102. The weaving mechanism is located between the support frames 102. The top of the support frame 102 is fixedly connected to the round table 103. The top of the round table 103 is fixedly connected to the top frame 104.

[0037] A plurality of groups of arc-shaped yarn racks 3 are rotatably connected to the round table 103, and a yarn storage device 5 and a yarn feeding nozzle 6 are fixedly connected to the arc-shaped yarn rack 3. A linear motion module 2 is fixedly connected to each group of arc-shaped yarn racks 3 on the round table 103, and the linear motion module 2 includes a moving table 201, a sliding column 202, a lead screw 203 and a reduction motor 204. The round table 103 is fixedly connected to a sliding column 202, and the top of the sliding column 202 is fixedly connected to the top frame 104, that is, the top frame 104 and the round table 103 are connected through the sliding column 202, and the moving table 201 is slidably connected to the sliding column 202, and the moving table 201 is threadedly connected to the lead screw 203. Specifically, the moving table 201 is fixedly connected to a lead screw 203 seat, and the lead screw 203 is threadedly connected to the lead screw 203 seat On the top frame 104, a reduction motor 204 is also fixedly connected, and the reduction motor 204 is power-connected to the lead screw 203. The reduction motor 204 can drive the lead screw 203 to rotate, thereby realizing the linear sliding of the moving platform 201 on the sliding column 202. The moving platform 201 is provided with a rotating portion, and a traction arm 4 is rotatably connected to the connecting portion 205. The other end of the traction arm 4 is rotatably connected to the arc-shaped yarn frame 3. In this way, when the reduction motor 204 drives the lead screw 203 to rotate, so that the moving platform 201 descends, the traction arm 4 can push the arc-shaped yarn frame 3 to rotate downward, so that the yarn storage device 5 and the yarn feeding nozzle 6 on the arc-shaped yarn frame 3 can be lowered. A dust removal mechanism 7 is also fixedly connected to the upper part of the yarn feeding mechanism on the frame, and the dust removal mechanism 7 has the same structure as that in Example 1.

[0038] Further, in this embodiment, the arc creel 3 includes an arc outer frame 301, a connecting frame 302 and a rotating frame 303. The two ends of the arc outer frame 301 are respectively fixedly connected to a group of connecting frames 302, and the other ends of the two groups of connecting frames 302 are respectively fixedly connected to the rotating frame 303. In this way, the arc creel 3 forms a fan-shaped structure, and a first rotating part 304205 and a second rotating part 305205 ​​are provided on the rotating frame 303. The first rotating part 304205 rotates with the round table 103. The second rotating part 305205 ​​is rotatably connected with the traction arm 4, so that the arc creel 3 can be rotatably connected to the round table 103, and the traction arm can be rotatably connected to the arc creel 3. Specifically, the first rotating part is a rotating shaft 306 fixedly connected to the rotating frame 303, and the round table 103 is fixedly connected with a first shaft frame 307 corresponding to the rotating shaft 306. The first shaft frame 307 is provided with a first shaft hole, and the rotating shaft 306 is rotatably connected in the first shaft hole;

[0039] Similarly, the second rotating part is a rotating groove 308 provided on the rotating frame 303, a rotating hole is provided on the rotating frame 303 in the rotating groove 308, and a first shaft rod 401 is provided on the traction arm 4, and the first shaft rod 401 is rotatably connected in the rotating hole;

[0040] The moving platform 201 is fixedly connected with a second shaft frame 206, the rotating part is the second shaft frame 206, the second shaft frame 206 is provided with a second shaft hole, the traction arm is provided with a second shaft rod 402, and the second shaft rod 402 is rotatably connected in the second shaft hole;

[0041] The above structure finally realizes the rotation connection between the arc-shaped creel 3 and the round table 103 , the rotation connection between the traction arm 4 and the arc-shaped creel 3 , and the rotation connection between the traction arm 4 and the moving table 201 .

[0042] In this embodiment, the dust removal mechanism 7 includes a dust removal outer box 701, a fan 702, and an air guide platform 703. A mounting groove is provided on the top frame 104, and the dust removal outer box 701 is fixedly connected in the mounting groove. The fan 702 is fixedly connected inside the dust removal outer box 701. An air inlet 704 is provided on the top of the dust removal outer box 701, and a plurality of groups of air outlets 705 are provided at the bottom of the dust removal outer box 701. The air outlets 705 are inclined toward the arc-shaped yarn frame 3. An air guide platform 703 is fixedly connected to the bottom of the dust removal outer box 701 on the truncated table 103. The air guide platform 703 adopts a conical structure, so that air can be blown out from the air outlet 705 through the fan 702, and the air outlet 705 is directed toward each group of arc-shaped yarn frames 3. The wind can also be guided to the side through the air guide platform 703 at the bottom, so that the blown wind can blow the yarn, thereby preventing dust from falling on the yarn, causing dust to be woven into the knitted fabric, and affecting the quality of the knitted fabric.

[0043] Embodiment 3

[0044] See also Fig. 9 —11. A circular knitting machine with an adjustable yarn supply mechanism, comprising a circular knitting machine, the circular knitting machine comprising a frame and a yarn supply mechanism arranged on the frame for supplying yarn, a weaving mechanism for weaving the yarn, a pulling and winding mechanism for winding the woven fabric, a transmission mechanism for providing power to the weaving mechanism, and an electrical control system for realizing overall control;

[0045] The frame includes a bottom frame 101, a support frame 102, a round table 103 and a top frame 104. The bottom frame 101 is provided with a weaving mechanism and a transmission mechanism. The top of the bottom frame 101 is fixedly connected to multiple groups of support frames 102. The weaving mechanism is located between the support frames 102. The top of the support frame 102 is fixedly connected to the round table 103. The top of the round table 103 is fixedly connected to the top frame 104.

[0046] A plurality of groups of arc-shaped yarn racks 3 are arranged around the truncated table 103, and a yarn storage device 5 and a yarn feeding nozzle 6 are fixedly connected to the arc-shaped yarn racks 3. A linear motion module 2 is fixedly connected to each group of arc-shaped yarn racks 3 on the truncated table 103. The linear motion module 2 includes a moving table 201, a sliding column 202, a lead screw 203 and a reduction motor 204. The sliding column 202 is fixedly connected to the truncated table 103, and the top of the sliding column 202 is fixedly connected to the top frame 104, that is, the top frame 104 and the truncated table 103 are connected by the sliding column 202, the moving table 201 is slidably connected to the sliding column 202, and the moving table 201 is threadedly connected with the lead screw 203. Specifically, the moving table 201 is fixedly connected with a lead screw 203 seat, and the lead screw 203 is threadedly connected to the lead screw On the seat 203, a reduction motor 204 is also fixedly connected to the top frame 104, and the reduction motor 204 is power-connected to the lead screw 203. The reduction motor 204 can drive the lead screw 203 to rotate, thereby realizing the linear sliding of the moving platform 201 on the sliding column 202. A plurality of traction arms 4 are fixedly connected to the moving platform 201, and the other end of the traction arm 4 is fixedly connected to the arc-shaped yarn frame 3. In this way, when the reduction motor 204 drives the lead screw 203 to rotate and the moving platform 201 descends, the arc-shaped yarn frame 3 can be driven to descend through the traction arm 4, so that the yarn storage device 5 and the yarn feeding nozzle 6 on the arc-shaped yarn frame 3 can be lowered, thereby facilitating the arrangement of the yarn on the yarn storage device 5 and the yarn feeding nozzle 6, and the dust removal mechanism 7 has the same structure as that in Example 2.

[0047] In summary, the present embodiment discloses a circular knitting machine with an adjustable yarn feeding mechanism, specifically a circular knitting machine that can lower the height of the yarn storage device 5 and the yarn feeding nozzle 6 so as to arrange the yarn in the yarn storage device 5 and the yarn feeding nozzle 6. Specifically, the lead screw 203 can be driven to rotate by the reduction motor 204, so that the moving platform 201 can slide linearly on the sliding column 202. When the moving platform 201 slides, the traction arm 4 can drive the arc-shaped yarn frame 3 to flip down or drop linearly, so that the height of the arc-shaped yarn frame 3 can be lowered, and then the height of the yarn storage device 5 and the yarn feeding nozzle 6 can be lowered, so that the yarn can be conveniently wound as needed. On the yarn storage device 5 and through the yarn feeding mouth 6, the production efficiency is accelerated, and different arc-shaped yarn frames 3 are controlled by different linear motion modules 2, so that when the weaving work is in progress, if the yarn breaks or the yarn is replaced, only the corresponding part needs to be lowered, and the operation is more convenient. The fan 702 can blow out the air from the air outlet 705, and the air outlet 705 faces each group of arc-shaped yarn frames 3. The wind can also be guided to the side through the air guide platform 703 at the bottom, so that the blown wind can blow the yarn, thereby preventing dust from falling on the yarn, causing dust to be woven into the knitted fabric, and affecting the quality of the knitted fabric.

[0048] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0049] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A circular knitting machine with an adjustable yarn supply mechanism, comprising a circular knitting machine, the circular knitting machine comprising a frame and a yarn supply mechanism, a weaving mechanism, a pulling and winding mechanism, a transmission mechanism and an electrical control system arranged on the frame, characterized in that: The yarn supply mechanism comprises a linear motion module (2), an arc-shaped yarn rack (3), and a traction arm (4); the linear motion module (2) is fixedly connected to the frame; the linear motion module (2) comprises a motion platform (201) capable of linear motion; the motion platform (201) and the arc-shaped yarn rack (3) are connected via the traction arm (4); a yarn storage device (5) and a yarn feeding nozzle (6) are fixedly connected to the arc-shaped yarn rack (3); the linear motion module (2) can drive the arc-shaped yarn rack (3) to move upward or downward; and a dust removal mechanism (7) is fixedly connected to the frame at the upper part of the yarn supply mechanism; The linear motion module (2) further comprises a sliding column (202), a lead screw (203) and a reduction motor (204); the sliding column (202) is fixedly connected to the frame; the moving platform (201) is slidably connected to the sliding column (202); the lead screw (203) is threadedly connected to the moving platform (201); the reduction motor (204) is fixedly connected to the frame; and the reduction motor (204) is power-connected to the lead screw (203); The frame comprises a bottom frame (101), a support frame (102), a round table (103) and a top frame (104); the bottom frame (101) is provided with the weaving mechanism and the transmission mechanism; a plurality of groups of the support frames (102) are fixedly connected to the top of the bottom frame (101); the weaving mechanism is located between the support frames (102); the top of the support frame (102) is fixedly connected to the round table (103); the top of the round table (103) is fixedly connected to the top frame (104); and the dust removal mechanism (7) is fixedly connected to the top frame (104); The truncated table (103) is rotatably connected to a plurality of groups of arc-shaped yarn racks (3); each group of the arc-shaped yarn racks (3) on the truncated table (103) is fixedly connected to the linear motion module (2); the top end of the sliding column (202) is fixedly connected to the top frame (104); the top frame (104) is fixedly connected to the reduction motor (204); a connecting portion (205) is provided on the motion table (201); the connecting portion (205) is rotatably connected to the traction arm (4); the other end of the traction arm (4) is rotatably connected to the arc-shaped yarn rack (3); The arc-shaped yarn frame (3) comprises an arc-shaped outer frame (301), a connecting frame (302) and a rotating frame (303); two ends of the arc-shaped outer frame (301) are respectively fixedly connected to a group of the connecting frames (302); the other ends of the two groups of the connecting frames (302) are respectively fixedly connected to the rotating frame (303); a first rotating part (304) and a second rotating part (305) are provided on the rotating frame (303); the first rotating part (304) is rotatably connected to the round table (103); the second rotating part (305) is rotatably connected to the traction arm (4); the yarn storage device (5) and the yarn feeding nozzle (6) are both fixedly connected to the arc-shaped outer frame (301).

2. The circular knitting machine with an adjustable yarn supply mechanism according to claim 1, characterized in that: The first rotating part is a rotating shaft (306) fixedly connected to the rotating frame (303); a first shaft frame (307) is fixedly connected to the truncated table (103) corresponding to the rotating shaft (306); a first shaft hole is provided on the first shaft frame (307); and the rotating shaft (306) is rotatably connected in the first shaft hole; The second rotating part is a rotating groove (308) provided on the rotating frame (303); a rotating hole is provided on the rotating frame (303) and located inside the rotating groove (308); a first shaft (401) is provided on the traction arm (4); and the first shaft (401) is rotatably connected inside the rotating hole; A second shaft frame (206) is fixedly connected to the moving platform (201), a second shaft frame (206) is provided with a second shaft hole, and a second shaft rod (402) is provided on the traction arm (4), and the second shaft rod (402) is rotatably connected in the second shaft hole.

3. The circular knitting machine with an adjustable yarn supply mechanism according to claim 1, characterized in that: A plurality of groups of traction arms (4) are fixedly connected to the moving platform (201), and the other ends of the traction arms (4) are fixedly connected to the arc-shaped yarn frame (3).

4. The circular knitting machine with an adjustable yarn supply mechanism according to claim 1, characterized in that: The dust removal mechanism (7) comprises a dust removal outer box (701), a fan (702), and an air guide platform (703); the top frame (104) is provided with a mounting groove, the dust removal outer box (701) is fixedly connected in the mounting groove, the fan (702) is fixedly connected inside the dust removal outer box (701), the top of the dust removal outer box (701) is provided with an air inlet (704), the bottom of the dust removal outer box (701) is provided with a plurality of groups of air outlets (705), the air outlets (705) are arranged obliquely toward the arc-shaped yarn frame (3), the bottom of the dust removal outer box (701) on the truncated table (103) is fixedly connected with the air guide platform (703), and the air guide platform (703) adopts a conical structure.

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