Knitting machine for polyester and modal composite yarn

Abstract

The application discloses a kind of polyester and modal composite yarn knitting machine, including body, the top of the body is equidistantly fixedly connected with a plurality of support frames, the top of the support frame is fixedly connected with dust collection mechanism in adjacent side, the dust collection mechanism is used to dust suction, the outer wall of the support frame is fixedly connected with adjusting mechanism in adjacent side, the adjusting mechanism is used to adjust distance, the top of the body is fixedly connected with fixed block in front side, the inner wall of the fixed block is equidistantly slidably connected with a plurality of arrangement mechanism, the arrangement mechanism is used to arrange direction.The utility model is in drive component, motor two drive worm engages worm gear to make bidirectional screw rod rotate between support long plate, cooperate with guide rod to drive moving plate, adjust the distance of roller to adapt different fiber, motor one adjusts the rotation speed of roller group to ensure that fiber constant speed is synchronized with feeding, and roller ceramic coating reduces friction and prevents damage, guarantee production and quality.

Description

Technical Field

[0001] This utility model relates to the field of knitting machine technology, and in particular to a knitting machine for polyester and modal composite yarn. Background Technology

[0002] In the textile industry, high-count polyester and modal composite yarns are widely used in the production of high-end apparel fabrics due to their unique combination of properties (such as the high strength and abrasion resistance of polyester and the good moisture absorption and soft hand feel of modal). However, the structure and characteristics of these special yarns place higher demands on the precision, stability, and adaptability of knitting equipment. Most traditional knitting machines are designed for single materials or conventional blended yarns. When processing high-count polyester and modal composite yarns, problems such as frequent yarn breaks, uneven fabric structure, and low production efficiency occur. For example, the yarn feeding device in existing equipment often cannot accurately control the feeding ratio and tension of the two different fiber lengths, resulting in serious yarn tangling and knotting. The needle bed structure is also difficult to adapt to the thickness variation of the composite yarn, affecting the quality of loop formation.

[0003] Currently, the most commonly used circular knitting machines on the market are ordinary circular knitting machines. Their basic structure includes a frame, cylinder, cam set, needle selector, and take-up mechanism. These machines use a rotating cylinder to drive the needles to perform hooking and looping actions, while a yarn feeding system provides the yarn. However, for the processing needs of high-count polyester and modal composite yarns, ordinary circular knitting machines have significant shortcomings: their yarn feeding system has a limited tension adjustment range, which cannot meet the different stretching requirements of the two fibers; and the needle pitch is fixed, which cannot automatically adjust the knitting density according to the thickness of the composite yarn, resulting in horizontal stripes, cloudiness, and defects on the fabric surface. In addition, the cleaning and maintenance of existing equipment is complicated, and yarn debris accumulates on key components, further affecting production continuity and product quality. Therefore, a dedicated knitting machine is needed for processing high-count polyester and modal composite yarns. Summary of the Invention

[0004] To overcome the above shortcomings, this utility model provides a knitting machine for polyester and modal composite yarns, aiming to improve the problem that the tension adjustment range of the yarn feeding system in the prior art is limited, which cannot meet the different stretching requirements of the two fibers and affects the continuity of production and product quality.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a knitting machine for polyester and modal composite yarn, comprising a machine body, wherein multiple support frames are fixedly connected at equal intervals to the top of the machine body, a dust suction mechanism is fixedly connected to the adjacent side of the top of the support frame, and an adjustment mechanism is fixedly connected to the adjacent side of the outer wall of the support frame, a fixed block is fixedly connected to the front top of the machine body, and multiple finishing mechanisms are slidably connected at equal intervals to the inner wall of the fixed block; the finishing mechanism includes multiple moving plates, the multiple moving plates are slidably connected at equal intervals inside the fixed block, a C-shaped plate is fixedly connected to the adjacent side of the outer wall of the moving plate, a motor is fixedly connected to the top of the C-shaped plate, a roller is fixedly connected to the output end of the motor, and multiple drive components are fixedly connected at equal intervals to the bottom of the inner wall of the fixed block.

[0006] The above technical solution involves the activation of multiple drive components at the bottom of the inner wall of the fixed block. These components, based on the quantity and spacing requirements of the yarn to be processed, drive associated moving plates to slide within the fixed block. By adjusting the distance between the multiple moving plates, each plate corresponds to one composite yarn to be processed, ensuring that the initial yarn spacing meets knitting requirements. When the yarn passes through the C-shaped plate adjacent to the outer wall of the moving plate, the motor at the top of the C-shaped plate is energized, and its output drives the rollers to rotate. The rollers contact the yarn surface, and the friction generated by the rotation provides stable traction for the yarn, guiding it precisely along a preset path to the subsequent knitting mechanism. Simultaneously, the rolling of the rollers also helps to flatten the yarn, reducing the impact of yarn wrinkles on knitting quality.

[0007] As a further description of the above technical solution: The drive assembly includes multiple support plates, which are fixedly connected at equal intervals to the bottom of the inner wall of the fixed block. A bidirectional lead screw is rotatably connected to the upper middle part of an adjacent side of the outer wall of the support plate. A guide rod is fixedly connected to the lower middle part of an adjacent side of the outer wall of the support plate. A worm gear is fixedly connected to the middle part of the outer wall of the bidirectional lead screw. Multiple motors are fixedly connected at equal intervals to the bottom of the inner wall of the fixed block. A worm gear is fixedly connected to the output end of each motor. The middle part of the inner wall of the moving plate is threadedly connected to the outer wall of the bidirectional lead screw. The inner wall of the moving plate is slidably connected to the outer wall of the guide rod.

[0008] Through the above technical solution: the worm gear meshes with the worm wheel in the middle of the outer wall of the double-acting screw. Through the worm wheel and worm gear transmission structure, the rotational motion of the worm gear is transmitted to the double-acting screw, while changing the transmission direction and speed. This allows the double-acting screw to rotate stably in the upper middle part of the adjacent side of the outer wall of the supporting plate. Since the middle part of the inner wall of the moving plate is threadedly connected to the outer wall of the double-acting screw, and the inner wall of the moving plate is also slidably connected to the outer wall of the guide rod on the supporting plate, when the double-acting screw rotates, the positive and negative threaded sections of the double-acting screw will drive the moving plates on both sides to move in opposite directions or away from each other. The guide rod restricts the rotational freedom of the moving plates, ensuring that they can only slide linearly along the axial direction of the guide rod. By controlling the rotation direction of the second motor, the distance between the moving plates can be precisely adjusted, thereby adapting to the finishing needs of yarns of different specifications.

[0009] As a further description of the above technical solution: The adjustment mechanism includes an electric push rod, which is fixedly connected at equal intervals to the rear end of the outer wall of the support frame on an adjacent side. A syringe shaft is fixedly connected to each adjacent end of the outer wall of the electric push rod.

[0010] Through the above technical solution: the extension and retraction of the electric push rod directly drives the needle cylinder shaft fixedly connected to one end of its outer wall to move synchronously. When the electric push rod extends, the needle cylinder shaft moves towards the yarn processing path, reducing the distance with adjacent components. When the electric push rod shortens, the needle cylinder shaft moves away from the yarn processing path, increasing the distance with adjacent components. Through the position change of the needle cylinder shaft, the adjustment mechanism can accurately control the relative position of the knitting needle cylinder and the yarn, thereby adapting to polyester and modal composite yarns of different thicknesses or meeting the processing requirements of different knitting densities, ensuring that the yarn maintains stable tension and path during the knitting process.

[0011] As a further description of the above technical solution: The dust collection mechanism includes an air suction plate, which is fixedly connected to the top adjacent side of the support frame. An air pump is fixedly connected to the top left side of the air suction plate. The suction end of the air pump is connected to an air suction pipe, and the output end of the air pump is connected to an exhaust pipe. A storage box is fixedly connected to the left side of the outer wall of the support frame. The other end of the outer wall of the exhaust pipe is connected to the storage box.

[0012] Through the above technical solution: after the air pump fixed on the top left side of the air suction plate is started, it generates negative pressure through its suction end, which creates airflow suction inside the air suction pipe. The lint, dust and impurities of the polyester and modal composite yarn generated during the knitting process are sucked into the air suction plate under the negative pressure of the air suction pipe. Then, it enters the air pump through the air suction pipe. The air pump pressurizes and delivers the airflow containing impurities through the exhaust pipe at the output end. The other end of the exhaust pipe is connected to the storage box fixed on the left side of the outer wall of the left support frame. The airflow carries impurities into the storage box, where the impurities are intercepted. The filtered air is discharged through the exhaust structure of the storage box.

[0013] As a further description of the above technical solution: A baffle is fixedly connected to the middle of the bottom wall of the machine body, and a bolt is threadedly connected to the front side of the outer wall of the baffle. A label plate is threadedly connected to the outer wall of the bolt.

[0014] With the above technical solution: when the label information needs to be updated, simply rotate bolt two in the opposite direction to disengage it from the threaded hole of the baffle, and the old label plate can be removed; after replacing the new label plate, screw bolt two back into the mounting holes of the baffle and the new label plate and tighten it to complete the label update. The whole process does not require damage to the machine body or baffle structure, and the operation is convenient.

[0015] As a further description of the above technical solution: A hollow box is fixedly connected to the front bottom of the machine body, and a drawer is slidably connected inside the hollow box.

[0016] The above technical solution allows for the following: when items need to be retrieved, the drawer can be pulled forward to partially or completely slide out of the hollow box, exposing the internal storage space for easy access to tools or consumables; when items are stored or no longer needed, the drawer can be pushed backward to slide back into the hollow box. The hollow box provides protection for the drawer and its contents, preventing dust from falling in or items from dropping.

[0017] As a further description of the above technical solution: A handle is fixedly connected to the front side of the outer wall of the drawer, and a protective sleeve is fixedly connected to the outer wall of the handle.

[0018] The above technical solution allows staff to easily pull out and use the drawers.

[0019] As a further description of the above technical solution: A bolt is threadedly connected to the left side of the outer wall of the machine body, and a hook is threadedly connected to the outer wall of the bolt.

[0020] The above technical solution allows for the convenient hanging of everyday items on the equipment.

[0021] This utility model has the following beneficial effects: 1. In this utility model, the sorting mechanism inside the fixed block at the top of the machine body conveys polyester and modal fibers through channels. The moving plate slides inside the fixed block. Motor 1 on its C-shaped plate drives rollers to form a yarn feeding roller group. In the drive assembly, Motor 2 drives the worm gear, which meshes with the worm wheel to make the bidirectional lead screw rotate between the support plates. It works with the guide rod to drive the moving plate and adjust the roller spacing to adapt to different fibers. Motor 1 adjusts the speed of the group to ensure that the fibers are fed in at a constant speed and synchronously. The ceramic coating of the rollers reduces friction and prevents damage, ensuring production and quality.

[0022] 2. In this utility model, the air suction plate at the top of the support frame collects the scattered yarn debris from the yarn conveying and knitting areas. The air pump on the left side of the top of the support frame generates negative pressure through the air suction pipe to suck in the yarn debris, which is then sent to the storage box of the left support frame for centralized processing through the exhaust pipe. The electric push rod on the outer wall of the support frame extends and retracts according to the command, driving the cylinder shaft at its end to move, thereby realizing the fine adjustment of the cylinder position. This allows the needle bed stitch length to change with the axial movement of the cylinder, automatically matching the optimal stitch length for the current yarn diameter, ensuring uniform loop formation and avoiding fabric defects. Attached Figure Description

[0023] Figure 1 This is a front view of a knitting machine for polyester and modal composite yarn proposed in this utility model; Figure 2 This is a perspective view of a knitting machine for polyester and modal composite yarn proposed in this utility model; Figure 3 This is a side view of a knitting machine for polyester and modal composite yarn proposed in this utility model; Figure 4 This is a partial structural exploded view of a knitting machine for polyester and modal composite yarn proposed in this utility model; Figure 5 This is a partial structural schematic diagram of a knitting machine for polyester and modal composite yarn proposed in this utility model; Figure 6 This is a partial structural diagram of a knitting machine for polyester and modal composite yarn proposed in this utility model.

[0024] Legend: 1. Body; 2. Sorting Mechanism; 201. Moving Plate; 202. C-shaped Plate; 203. Roller; 204. Motor 1; 205. Drive Assembly; 2051. Support Plate; 2052. Guide Rod; 2053. Motor 2; 2054. Worm Gear; 2055. Double-acting Lead Screw; 2056. Worm Gear; 3. Adjustment Mechanism; 301. Electric Push Rod; 302. Syringe Shaft; 4. Fixing Block; 5. Support Frame; 6. Dust Collection Mechanism; 601. Suction Plate; 602. Suction Pipe; 603. Air Pump; 604. Exhaust Pipe; 605. Storage Box; 7. Handle; 8. Hollow Box; 9. Bolt 1; 10. Hook; 11. Baffle; 12. Drawer Box; 13. Protective Cover; 14. Bolt 2; 15. Label Plate. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Reference Figure 3 , Figure 4 and Figure 5This utility model provides an embodiment of a knitting machine for polyester and modal composite yarns, comprising a machine body 1. Multiple support frames 5 are fixedly connected at equal intervals to the top of the machine body 1. A dust extraction mechanism 6 is fixedly connected to an adjacent side of the top of each support frame 5. An adjustment mechanism 3 is fixedly connected to an adjacent side of the outer wall of each support frame 5. A fixing block 4 is fixedly connected to the front top of the machine body 1. Multiple finishing mechanisms 2 are slidably connected at equal intervals to the inner wall of the fixing block 4. The finishing mechanism 2 includes multiple moving plates 201, which are slidably connected at equal intervals inside the fixing block 4. A C-shaped plate 202 is fixedly connected to an adjacent side of the outer wall of each moving plate 201. A motor 204 is fixedly connected to the top of the C-shaped plate 202. A roller 203 is fixedly connected to the output end of the motor 204. Multiple drive components 205 are fixedly connected at equal intervals to the bottom of the inner wall of the fixing block 4. The drive components 205 include... Multiple support plates 2051 are fixedly connected at equal intervals to the bottom of the inner wall of the fixed block 4. A double-acting screw 2055 is rotatably connected to the upper middle part of the adjacent side of the outer wall of the support plate 2051. A guide rod 2052 is fixedly connected to the lower middle part of the adjacent side of the outer wall of the support plate 2051. A worm gear 2056 is fixedly connected to the middle part of the outer wall of the double-acting screw 2055. Multiple motors 2053 are fixedly connected at equal intervals to the bottom of the inner wall of the fixed block 4. A worm gear 2054 is fixedly connected to the output end of each motor 2053. The middle part of the inner wall of the moving plate 201 is threadedly connected to the outer wall of the double-acting screw 2055. The inner wall of the moving plate 201 is slidably connected to the outer wall of the guide rod 2052. A baffle 11 is fixedly connected to the middle part of the bottom wall of the machine body 1. A bolt 14 is threadedly connected to the front side of the outer wall of the baffle 11. A label plate 15 is threadedly connected to the outer wall of the bolt 14. Specifically, multiple sorting mechanisms 2 are provided in the fixed block 4 on the front side of the top of the machine body 1. Each sorting mechanism 2 corresponds to a yarn feeding channel, which respectively conveys polyester and modal fibers. The moving plate 201 slides in the fixed block 4. A motor 204 is fixed on the C-shaped plate 202 on its outer wall. The motor 204 drives the rollers 203 to form a yarn feeding roller group, providing power for yarn feeding. In the drive assembly 205, the second motor 2053 drives the worm 2054 to rotate. The worm 2054 meshes with the worm wheel 2056, causing the bidirectional screw 2055 to rotate between the support plates 2051. In conjunction with the guide rod 2052, it drives the moving plate 201 to move, adjusting the spacing of the rollers 203 to accommodate different fibers. According to the different stretching requirements of the two types of fibers, the motor... Roller 204 controls the rotation speed to ensure that the fibers are fed synchronously at a constant speed. The ceramic coating on the surface of roller 203 reduces friction. The roller ceramic coating is a high-performance ceramic coating layer prepared on the surface of the roller through a specific process. It is designed to significantly improve its wear resistance, hardness and high temperature resistance, while also having good heat insulation and corrosion resistance, avoiding yarn damage, ensuring production continuity and product quality. When the label information needs to be updated, the bolt 14 is rotated in the reverse direction to disengage it from the threaded hole of the baffle 11, and the old label plate 15 can be removed. After replacing the new label plate 15, the bolt 14 is screwed back into the mounting hole of the baffle 11 and the new label plate 15 and tightened to complete the label update. The whole process does not require damage to the structure of the machine body 1 or the baffle 11, and the operation is convenient.

[0027] Reference Figure 1 , Figure 2 and Figure 6 The adjustment mechanism 3 includes an electric push rod 301, which is fixedly connected at equal intervals to the rear end of the outer wall of the support frame 5 on an adjacent side. A syringe shaft 302 is fixedly connected to the adjacent end of the outer wall of the electric push rod 301. The dust collection mechanism 6 includes a suction plate 601, which is fixedly connected to the top of the support frame 5 on an adjacent side. An air pump 603 is fixedly connected to the top left side of the suction plate 601. The suction end of the air pump 603 is connected to a suction pipe 602, and the output end of the air pump 603 is connected to an exhaust pipe 604. A storage box 605 is fixedly connected to the left side of the outer wall of the left support frame 5. The other end of the outer wall of the exhaust pipe 604 is connected to the storage box 605. A hollow box 8 is fixedly connected to the front side of the bottom of the body 1. A drawer 12 is slidably connected inside the hollow box 8. Specifically, the suction plate 601, fixed to the top of the support frame 5 on one side, directly corresponds to the key area of ​​yarn feeding and weaving, and can quickly contact and collect the scattered yarn shavings. When the air pump 603 on the top left of the suction plate 601 is activated, the air pump 603 generates negative pressure through the suction pipe 602 connected to the suction end, forcefully sucking in the yarn shavings in the suction plate 601 area. The sucked-in yarn shavings are carried by the airflow through the exhaust pipe 604 connected to the output end of the air pump 603, and finally transported to the storage box 605 fixed on the left side of the outer wall of the left support frame 5, achieving centralized collection and processing of yarn shavings. The electric push rod 301, equidistantly fixed to the rear end of the outer wall of the support frame 5 on one side, can extend and retract according to control commands. The syringe shaft 302, fixed to one end of the outer wall of the electric push rod 301... The needle cylinder moves synchronously with the extension and retraction of the electric push rod 301, thereby driving the needle cylinder to achieve fine-tuning of its position. This provides a structural basis for the subsequent adjustable needle bed mechanism to match the optimal needle pitch. During the fine-tuning of the needle cylinder axis, the needle bed needle pitch changes accordingly, automatically matching the optimal needle pitch corresponding to the current yarn diameter. This ensures uniform loop formation during knitting and avoids fabric defects caused by a fixed needle pitch. When it is necessary to retrieve internal items, pull the drawer 12 forward to partially or completely slide it out of the hollow box 8, exposing the internal storage space for easy access to tools or consumables. When the items are stored or no longer needed, push the drawer 12 backward to slide it back into the hollow box 8. The hollow box 8 can shield and protect the drawer 12 and its internal items, preventing dust from falling in or items from falling out.

[0028] Reference Figure 1 , Figure 2 and Figure 3 A handle 7 is fixedly connected to the front side of the outer wall of the drawer box 12, and a protective sleeve 13 is fixedly connected to the outer wall of the handle 7. A bolt 9 is threadedly connected to the left side of the outer wall of the body 1, and a hook 10 is threadedly connected to the outer wall of the bolt 9. Specifically, handle 7 is fixed to the front side of the outer wall of drawer 12, providing a direct point of force. By holding it, drawer 12 can be easily pulled or pushed to achieve sliding opening and closing with hollow box 8, avoiding inconvenience caused by lack of a point of force. Bolt 9 passes through the mounting hole of hook 10 and engages with the threaded hole on the left side of the outer wall of body 1 and is tightened. The self-locking property of the thread is used to firmly fix hook 10, which can carry items for hanging.

[0029] Working principle: Multiple sorting mechanisms 2 are installed within the fixed block 4 on the front top of the machine body 1. Each sorting mechanism 2 corresponds to a yarn feeding channel, conveying polyester and modal fibers respectively. The moving plate 201 slides within the fixed block 4. A motor 204 is fixed on the C-shaped plate 202 on its outer wall. The motor 204 drives the rollers 203 to form a yarn feeding roller group, providing power for yarn conveying. In the drive assembly 205, the second motor 2053 drives the worm gear 2054 to rotate. The worm gear 2054 meshes with the worm wheel 2056, causing the bidirectional screw 2055 to support the long plate 2051. The rollers rotate, and the guide rod 2052 drives the moving plate 201 to move, adjusting the spacing of the rollers 203 to accommodate different fibers. According to the different stretching requirements of the two fibers, the speed is controlled by the motor 204 to ensure that the fibers are fed synchronously at a constant speed. The ceramic coating on the surface of the rollers 203 reduces friction. The roller ceramic coating is a high-performance ceramic coating layer prepared on the surface of the rollers through a specific process, which aims to significantly improve its wear resistance, hardness and high temperature resistance, while having good heat insulation and corrosion resistance, avoiding yarn damage, and ensuring production continuity and product quality. The suction plate 601, fixed to the top of the support frame 5 on one side, directly corresponds to the key area of ​​yarn feeding and weaving, and can quickly contact and collect the surrounding scattered yarn lint. When the air pump 603 on the top left side of the suction plate 601 is activated, the air pump 603 generates negative pressure through the suction pipe 602 connected to the suction end, forcefully sucking in the yarn lint from the suction plate 601 area. The sucked-in yarn lint is carried by the airflow through the exhaust pipe 604 connected to the output end of the air pump 603, and finally transported to the storage box 605 fixed to the left side of the outer wall of the left support frame 5, achieving centralized collection and... The electric push rods 301, which are equidistantly fixed to the rear end of the outer wall of the support frame 5 on one side, can extend and retract according to control commands. The cylinder shaft 302, which is fixed to the outer wall of the electric push rod 301, moves synchronously with the extension and retraction of the electric push rod 301, thereby driving the cylinder to achieve fine-tuning of its position. This provides a structural basis for the subsequent adjustable needle bed mechanism to match the optimal needle pitch. During the fine-tuning of the cylinder axis, the needle bed needle pitch changes accordingly, automatically matching the optimal needle pitch corresponding to the current yarn diameter, ensuring uniform loop formation during knitting and avoiding fabric defects caused by fixed needle pitch.

Claims

1. A knitting machine for polyester and modal composite yarns, comprising a machine body (1), characterized in that: The top of the body (1) is fixedly connected with multiple support frames (5) at equal intervals. A dust collection mechanism (6) is fixedly connected to the adjacent side of the top of the support frame (5). An adjustment mechanism (3) is fixedly connected to the adjacent side of the outer wall of the support frame (5). A fixing block (4) is fixedly connected to the front side of the top of the body (1). Multiple sorting mechanisms (2) are slidably connected to the inner wall of the fixing block (4) at equal intervals. The sorting mechanism (2) includes multiple movable plates (201), which are equidistantly slidably connected inside the fixed block (4). Each movable plate (201) has a C-shaped plate (202) fixedly connected to an adjacent side of its outer wall. A motor (204) is fixedly connected to the top of the C-shaped plate (202), and a roller (203) is fixedly connected to the output end of the motor (204). Multiple drive components (205) are fixedly connected at equal intervals to the bottom of the inner wall of the fixed block (4).

2. A knitting machine for polyester and modal composite yarn according to claim 1, characterized in that: The drive assembly (205) includes multiple support plates (2051), which are fixedly connected at equal intervals to the bottom of the inner wall of the fixed block (4). A double-acting screw (2055) is rotatably connected to the upper part of the adjacent side of the outer wall of the support plate (2051), and a guide rod (2052) is fixedly connected to the lower part of the adjacent side of the outer wall of the support plate (2051). A worm gear (2056) is fixedly connected to the middle part of the outer wall of the double-acting screw (2055). Multiple motors (2053) are fixedly connected at equal intervals to the bottom of the inner wall of the fixed block (4). A worm gear (2054) is fixedly connected to the output end of each motor (2053). The middle part of the inner wall of the moving plate (201) is threadedly connected to the outer wall of the double-acting screw (2055), and the inner wall of the moving plate (201) is slidably connected to the outer wall of the guide rod (2052).

3. A knitting machine for polyester and modal composite yarn according to claim 1, characterized in that: The adjustment mechanism (3) includes an electric push rod (301), which is fixedly connected at equal intervals to the rear end of the outer wall of the support frame (5) on an adjacent side. A syringe shaft (302) is fixedly connected to one end of the outer wall of the electric push rod (301).

4. A knitting machine for polyester and modal composite yarn according to claim 1, characterized in that: The dust collection mechanism (6) includes a suction plate (601), which is fixedly connected to the top adjacent side of the support frame (5). An air pump (603) is fixedly connected to the top left side of the suction plate (601). The suction end of the air pump (603) is connected to a suction pipe (602), and the output end of the air pump (603) is connected to an exhaust pipe (604). A storage box (605) is fixedly connected to the left side of the outer wall of the support frame (5). The other end of the outer wall of the exhaust pipe (604) is connected to the storage box (605).

5. A knitting machine for polyester and modal composite yarn according to claim 1, characterized in that: A baffle (11) is fixedly connected to the middle of the bottom wall of the body (1). A bolt (14) is threadedly connected to the front side of the outer wall of the baffle (11). A label plate (15) is threadedly connected to the outer wall of the bolt (14).

6. A knitting machine for polyester and modal composite yarn according to claim 1, characterized in that: A hollow box (8) is fixedly connected to the front bottom of the body (1), and a drawer (12) is slidably connected inside the hollow box (8).

7. A knitting machine for polyester and modal composite yarn according to claim 6, characterized in that: A handle (7) is fixedly connected to the front side of the outer wall of the drawer (12), and a protective sleeve (13) is fixedly connected to the outer wall of the handle (7).

8. A knitting machine for polyester and modal composite yarn according to claim 1, characterized in that: The outer wall of the body (1) is threaded with a bolt (9) on the left side, and the outer wall of the bolt (9) is threaded with a hook (10).

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