Knitting, cutting and turning integrated device for processing knitted cuffs

Abstract

This invention relates to the field of textile processing technology, specifically disclosing an integrated knitting, cutting, and turning equipment for knitted cuff processing. The equipment includes a processing frame, a cuff knitting unit located on one side of the top of the processing frame, and a cuff turning and cutting unit located inside the processing frame. The cuff knitting unit is positioned directly above the cuff turning and cutting unit. By employing a reverse-drive knitting structure where the upper cylinder rotates as a whole and the lower cylinder and upper and lower triangular tracks are fixed, the vibration amplitude during equipment operation is significantly reduced due to the larger mass and stationary position of the lower cylinder. This ensures uniform coil size and clear, consistent rib pattern. Simultaneously, the rotating disc integrates a knitting feed hole, allowing the knitted fabric to be directly and vertically conveyed to the turning and cutting unit, achieving seamless integration between knitting and subsequent processes, shortening the material transport path, and avoiding stretching deformation and contamination problems caused by fabric transfer during transit.

Description

Technical Field

[0001] This invention relates to the field of textile processing technology, specifically to an integrated knitting, cutting, and turning equipment for knitted cuff processing. Background Technology

[0002] Knitted rib cuffs are an important component of clothing, widely used in various garments such as sweatshirts, sportswear, and down jackets. Their production quality and efficiency directly affect the overall quality and production cost of the garments. Currently, the processing of knitted cuffs in the industry generally adopts a separate production model. That is, a continuous tubular rib fabric is first knitted using an independent circular knitting machine, then the fabric is manually transferred to a cutting device for fixed-length cutting, and finally the cuffs are manually turned inside out.

[0003] The current discrete processing mode has many shortcomings: First, the dispersed processes require multiple machines and a large number of operators, resulting in low production efficiency and high labor costs. For example, the Chinese utility model patent CN202187157U, which discloses an automatic yarn changing device for a circular knitting machine for rib cuffs, only optimizes the yarn supply for the knitting process and does not integrate subsequent turning and cutting processes. The transfer and post-processing of the fabric still require manual intervention, making full automation impossible. Second, the fabric is easily stretched and wrinkled during the multi-process transfer. Furthermore, contamination leads to product size deviations and appearance defects; secondly, the precision of manual turning and cutting is greatly affected by the operator's skill level, resulting in poor product consistency and problems such as incomplete turning and crooked cuts; in addition, although some existing semi-automated cuff processing equipment has partially integrated cutting and turning, there is a lack of effective linkage control between the knitting unit and the turning and cutting unit, making it difficult to control the fabric tension stably, which easily leads to knitting defects such as missed needles and holes. Moreover, the turning mechanism mostly adopts a mechanical clamping structure, which is prone to snagging and damaging the surface texture of the knitted fabric, and cannot meet the production requirements of high-quality cuffs. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art, the present invention provides an integrated knitting, cutting and turning equipment for knitted cuff processing, which solves the problem of high production efficiency and high labor costs caused by the need for manual transfer and intervention in the existing knitted cuff processing.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an integrated knitting, cutting, and turning device for processing knitted cuffs, comprising a processing equipment frame, a cuff knitting unit located on one side of the top of the processing equipment frame, and a cuff turning and cutting unit located inside the processing equipment frame. The cuff knitting unit is located directly above the cuff turning and cutting unit. The cuff knitting unit includes a lower needle cylinder and an upper needle cylinder located on the top of the processing equipment frame. The cuff turning and cutting unit includes a fixing frame fixedly installed on one side inside the processing equipment frame, and the top of the fixing frame is fixedly equipped with mounting brackets via four fixing posts. The mounting frame has two rubber-coated wheels (first and second) movably mounted on its top. A material guide hole is located in the center of the mounting frame's interior, and a material-turning tube mold is positioned above the guide hole and between the two rubber-coated wheels. An air nozzle is movably mounted on one side of the top of the fixed frame. A cutting frame is fixedly mounted at the bottom of the fixed frame, and a material discharge hole is located inside the cutting frame and directly below the material guide hole. A movable cutter is fixed between two upper and lower sliding connecting blocks, and a fixed cutter is fixedly mounted on the other side of the cutting frame's interior. Two sliding connecting blocks are slidably mounted inside the cutting frame.

[0006] Furthermore, a rotary base is fixedly provided on the left side of the top of the processing equipment frame, and a rotating disk is rotatably provided inside the rotary base; the surface of the rotating disk and the surface of the drive wheel are connected by a synchronous belt drive; a lower needle tube triangle is fixedly provided on the left side of the top of the processing equipment frame, and the top of the lower needle tube triangle extends to the top of the rotating disk; a lower needle tube is also movably provided inside the lower needle tube triangle, and the bottom end of the lower needle tube is fixedly connected to the inside of the rotary base; the inside of the rotating disk is provided with a braiding feeding through hole.

[0007] Furthermore, guide brackets are fixedly provided on both sides of the top of the rotating disk, and a connecting frame is fixedly provided at the top of the two guide brackets. The upper needle cylinder spindle is provided inside the connecting frame, and an upper needle cylinder is fixedly provided at the bottom of the upper needle cylinder spindle. An upper needle cylinder triangle is provided inside the upper needle cylinder. A yarn guide channel is also provided at the top of the upper needle cylinder, and a drive gear is fixedly provided on the surface of the yarn guide channel.

[0008] Furthermore, a feeding servo cylinder is fixedly installed on one side of the mounting frame, and a rotating shaft is fixedly installed at one end of the output shaft of the feeding servo cylinder through a coupling; an adjustment slide groove is provided around the top of the mounting frame, and a mounting seat is slidably installed on the top of each of the four adjustment slide grooves; two rubber-coated wheels one and two rubber-coated wheels two are respectively rotatably connected to the interior of the four mounting seats, and both ends of the two rubber-coated wheels one and two rubber-coated wheels two extend to both sides of the mounting seats; and helical gears are fixedly installed at both ends of the two rubber-coated wheels one and two rubber-coated wheels two, with adjacent helical gears meshing and transmitting power.

[0009] Furthermore, the mounting seats on the outer sides of one rubber-coated wheel 1 and the other rubber-coated wheel 2 are connected to the internal positioning of the adjusting slide groove by bolts, and the mounting seats on the outer sides of the other rubber-coated wheel 1 and the other rubber-coated wheel 2 are slidably driven by the adjusting hydraulic cylinder set on the mounting frame; one end of the rotating shaft is fixedly connected to one end of one of the rubber-coated wheels 1.

[0010] Furthermore, a blowing control cylinder is fixedly provided on one side of the top of the fixed frame, and a blowing frame is fixedly provided on the driving end of the blowing control cylinder. One side of the blowing frame is fixedly connected to one side of the blowing nozzle, and the top of the blowing nozzle is provided with a blowing port. A blowing interface is provided on one side of the blowing frame, and one end of the blowing interface is connected to the air pump through an air guide pipe.

[0011] Furthermore, a feeding fixing plate is fixedly provided on one side of the bottom of the feeding hole, and a feeding movable plate is also movably provided on the other side of the bottom of the feeding hole; a cutting control cylinder is fixedly provided on one side of the cutting frame, and the driving end of the cutting control cylinder is fixedly connected to one side of the upper and lower sliding connecting blocks through a connecting block.

[0012] Furthermore, a cutting pressure block is fixedly provided on one side of the upper sliding connecting block, and one side of the lower sliding connecting block is fixedly connected to one side of the movable cutter.

[0013] Furthermore, a drive wheel is rotatably provided on the right side of the top of the processing equipment frame; a servo drive motor is fixedly provided on the right side inside the processing equipment frame, and the top end of the output shaft of the servo drive motor is fixedly connected to the inside of the drive wheel.

[0014] Furthermore, the two rubber-coated wheels 1 and 2 rubber-coated wheels 2 are arranged symmetrically to each other; the interior of the turning tube mold is hollow.

[0015] The beneficial effects achieved by the present invention using the above structure are as follows: 1. By adopting a reverse-drive knitting structure with the upper cylinder rotating as a whole and the lower cylinder and upper and lower triangular tracks fixed, the vibration and dynamic balance problems caused by the high-speed rotation of the lower cylinder in conventional circular knitting machines are effectively solved. Due to the large mass of the lower cylinder and its stationary position, the vibration amplitude during equipment operation is significantly reduced, making it particularly suitable for the high-precision knitting requirements of small-diameter cuffs. This ensures uniform coil size and clear and consistent rib patterns. At the same time, the rotating disc integrates a knitting feed hole, allowing the finished fabric to be vertically and directly transported to the turning and cutting unit, achieving seamless connection between knitting and subsequent processes, shortening the material transmission path, and avoiding stretching deformation and contamination problems caused by the fabric during transfer. The rigid connection between the guide bracket and the rotating disc effectively ensures the coaxiality of the upper and lower cylinders, further improving the stability of the knitting process and the product qualification rate.

[0016] 2. By employing four symmetrically arranged rubber-coated rollers with helical gears for synchronous transmission, a uniform circumferential traction force is provided for the tubular cuff, avoiding fabric skewing and stretching deformation caused by unilateral traction, and ensuring dimensional stability during cuff conveying. The spacing of the rubber-coated rollers can be dynamically adjusted by adjusting the hydraulic cylinder, adapting to cuff fabrics of different thicknesses and elasticities, significantly improving the applicability of the equipment. By using high-pressure airflow to achieve non-contact flipping, the snagging and damage to knitted fabrics caused by traditional mechanical flipping mechanisms are completely avoided, preserving the surface texture and elasticity of the fabric intact. At the same time, the flipping action is fast and reliable, without incomplete flipping or wrinkles, effectively improving the appearance quality of the product.

[0017] 3. By integrating the four production processes of knitting, material handling, turning, and cutting onto a single machine, the entire process of knitted cuff production is automated, eliminating the need for manual transfer and intervention, significantly improving production efficiency and reducing labor costs. The cutting mechanism adopts a pressing-before-cutting method, where the cuff fabric is pressed tightly against the fixed pressure plate before cutting, effectively preventing fabric slippage during the cutting process, ensuring a smooth cut without burrs, and achieving high precision in fixed-length cutting. The various processes are precisely linked through sensors and a servo drive system, which can adjust the material handling speed in real time according to the knitting speed, ensuring that the fabric tension remains stable and avoiding problems such as the fabric breaking due to excessive tightness or piling up due to excessive looseness. This results in good product consistency and a significantly reduced defect rate. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the integrated knitting, cutting, and turning equipment for knitting cuffs according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the processing equipment frame and the weaving feeding through-hole structure according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the cuff knitting unit structure according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the cuff turning-cutting unit structure according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the structure of the rubber-coated wheel 1, rubber-coated wheel 2, and the material turning tube die according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the air blowing frame and air blowing nozzle structure according to an embodiment of the present invention; Figure 7 This is a schematic diagram of the movable cutter and the movable pressure plate for feeding, according to an embodiment of the present invention. Figure 8This is a schematic diagram of the material feeding movable pressure plate and the material feeding fixed pressure plate structure in an embodiment of the present invention.

[0019] In the diagram: 1. Processing equipment frame; 2. Cuff knitting unit; 3. Cuff turning and cutting unit; 4. Drive wheel; 5. Servo drive motor; 6. Rotary base; 7. Rotating disc; 8. Knitting feed hole; 9. Synchronous belt; 10. Guide bracket; 11. Lower cylinder cam; 12. Lower cylinder; 13. Upper cylinder; 14. Upper cylinder cam; 15. Drive gear; 16. Yarn guide channel; 17. Fixing frame; 18. Fixing column; 19. Mounting frame; 20. Feeding servo electric cylinder. 21. Rotating shaft; 22. Mounting base; 23. Rubber-coated wheel one; 24. Rubber-coated wheel two; 25. Turning tube die; 26. Helical gear; 27. Adjusting slide; 28. Adjusting hydraulic cylinder; 29. ​​Guide hole; 30. Air blowing control cylinder; 31. Air blowing frame; 32. Air blowing nozzle; 33. Discharge hole; 34. Cutting frame; 35. Cutting control cylinder; 36. Sliding connecting block; 37. Movable cutter; 38. Discharge movable pressure plate; 39. Discharge fixed pressure plate; 40. Fixed cutter. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0022] Example 1

[0023] Please see Figures 1 to 8As shown, the integrated knitting, cutting, and turning equipment for processing knitted cuffs includes: a processing equipment frame 1, a cuff knitting unit 2 located on one side of the top of the processing equipment frame 1, and a cuff turning and cutting unit 3 located inside the processing equipment frame 1. The cuff knitting unit 2 is located directly above the cuff turning and cutting unit 3, and a drive wheel 4 is rotatably provided on the right side of the top of the processing equipment frame 1. A servo drive motor 5 is fixedly provided on the right side inside the processing equipment frame 1, and the top end of the output shaft of the servo drive motor 5 is fixedly connected to the inside of the drive wheel 4. The servo drive motor 5, in conjunction with the drive wheel 4, performs circumferential driving on the cuff knitting of the cuff knitting unit 2.

[0024] Specifically, the cuff knitting unit 2 includes a lower cylinder 12 and an upper cylinder 13. A rotating base 6 is fixedly installed on the left side of the top of the processing equipment frame 1, and a rotating disk 7 is rotatably installed inside the rotating base 6. A lower cylinder triangle 11 is fixedly installed on the left side of the top of the processing equipment frame 1, and the top of the lower cylinder triangle 11 extends above the rotating disk 7. A lower cylinder 12 is also movably installed inside the lower cylinder triangle 11, and the bottom end of the lower cylinder 12 is fixedly connected to the inside of the rotating base 6. Guide brackets 10 are fixedly installed on both sides of the top of the rotating disk 7, and a connecting frame is fixedly installed at the top of the two guide brackets 10. An upper cylinder spindle is installed inside the connecting frame, and an upper cylinder 13 is fixedly installed at the bottom end of the upper cylinder spindle. An upper cylinder triangle 14 is installed inside the upper cylinder 13. A yarn guide channel 16 is also provided at the top of the upper cylinder 13, and a drive gear 15 is fixedly installed on the surface of the yarn guide channel 16.

[0025] The rotating base 6 has a stepped mounting hole inside. A deep groove ball bearing is installed at the upper part of the stepped mounting hole, and a thrust ball bearing is installed at the lower part. The bottom of the rotating disk 7 has a downwardly extending journal. The journal is interference-fitted with the inner ring of the deep groove ball bearing. The lower end face of the rotating disk 7 is in contact with the upper end face of the thrust ball bearing. The lower end face of the thrust ball bearing is in contact with the stepped surface of the rotating base 6. The top end face of the rotating base 6 has an annular dustproof groove. A rubber dustproof sealing ring is installed in the dustproof groove. The inner ring of the sealing ring is tightly fitted with the outer cylindrical surface of the rotating disk 7 to prevent yarn lint and dust generated during the weaving process from entering the bearing and affecting the rotation accuracy.

[0026] The connecting frame has a through hole at its center, in which two deep groove ball bearings are installed vertically. The stationary shaft section passes through the inner holes of the two deep groove ball bearings. The bottom end of the stationary shaft section is fixedly connected to the top end face of the upper syringe horn 14 by bolts. The top end of the stationary shaft section extends upward and is fixedly connected to the fixed crossbeam at the top of the processing equipment frame 1 by anti-rotation pins, ensuring that the upper syringe horn 14 does not rotate with the connecting frame and the upper syringe spindle. A radial clearance of 0.1-0.2mm is left between the outer cylindrical surface of the stationary shaft section and the inner hole of the upper syringe spindle to avoid interference between the two during rotation.

[0027] Furthermore, the surface of the rotating disc 7 and the surface of the drive wheel 4 are connected by a synchronous belt 9; the interior of the rotating disc 7 is provided with a braiding feeding through hole 8.

[0028] It should be noted that the drive wheel 4 located on the processing equipment frame 1 transmits rotational power to the rotating disk 7 installed inside the rotary base 6 on the top left of the processing equipment frame 1 through the synchronous belt 9, causing the rotating disk 7 to rotate at a constant speed around the central axis of the rotary base 6; the guide brackets 10 fixed on both sides of the top of the rotating disk 7 and the connecting frame at the top rotate synchronously with it, thereby driving the upper cylinder main shaft, the upper cylinder 13 fixed at the bottom of the upper cylinder main shaft, the yarn guide channel 16 set at the top of the upper cylinder 13, and the drive gear 15 fixed on the surface of the yarn guide channel 16 to rotate synchronously as a whole; at the same time, the bottom of the lower cylinder 12 is fixed inside the rotary base 6 and remains stationary, the lower cylinder triangle 11 is fixed to the top of the processing equipment frame 1 and sleeved on the outside of the lower cylinder 12 and remains stationary, and the upper cylinder triangle 14 is fixed on the stationary shaft section at the center of the connecting frame and located inside the upper cylinder 13 and remains stationary; During the knitting operation, the lower knitting needle is installed in the axial needle groove of the fixed lower needle cylinder 12, and its tail needle heel is embedded in the fixed track groove inside the lower needle cylinder triangle 11. The upper knitting needle is installed in the radial needle groove of the rotating upper needle cylinder 13, and its tail needle heel is embedded in the fixed track groove outside the upper needle cylinder triangle 14. When the upper needle cylinder 13 rotates with the rotating disk 7, the upper knitting needle moves radially forward and backward along the fixed upper needle cylinder triangle 14 track, and the lower knitting needle moves axially up and down along the fixed lower needle cylinder triangle 11 track. The two work together precisely to complete the complete weft knitting loop cycle of loop removal, yarn padding, loop closing, loop joining, loop removal, and loop forming. The yarn is continuously fed into the knitting area through the yarn guide channel 16 at the top, continuously knitting a cylindrical rib cuff fabric with high elasticity. The knitted fabric is vertically conveyed downward through the knitting feed hole 8 opened inside the rotating disk 7, directly connecting to the downstream drafting and turning unit for subsequent turning and fixed-length cutting processes.

[0029] Specifically, the servo drive motor 5, fixed inside the right side of the processing equipment frame 1, outputs power to drive the drive wheel 4 to rotate. The drive wheel 4 transmits the rotational power to the rotating disk 7, which is installed inside the rotary base 6 on the top left side of the processing equipment frame 1, via the synchronous belt 9. This causes the rotating disk 7 to rotate uniformly around the central axis of the rotary base 6. The guide brackets 10 fixed on both sides of the top of the rotating disk 7 and the connecting frame at the top rotate synchronously with it. This, in turn, drives the upper cylinder spindle inside the connecting frame, the upper cylinder 13 fixed at the bottom of the upper cylinder spindle, the yarn guide channel 16 set at the top of the upper cylinder 13, and the drive gear 15 fixed on the surface of the yarn guide channel 16 to rotate synchronously as a whole. At the same time, the bottom of the lower cylinder 12 is fixed inside the rotary base 6 and remains stationary. The lower cylinder triangle 11 is fixed to the top of the processing equipment frame 1 and sleeved on the outside of the lower cylinder 12 and remains stationary. The upper cylinder triangle 14 is fixed to the stationary shaft section at the center of the connecting frame. The needles remain stationary inside the upper needle cylinder 13. During the knitting operation, the lower needles are installed in the axial needle groove of the fixed lower needle cylinder 12, and their tail needle heels are embedded in the fixed track groove inside the lower needle cylinder triangle 11. The upper needles are installed in the radial needle groove of the rotating upper needle cylinder 13, and their tail needle heels are embedded in the fixed track groove outside the upper needle cylinder triangle 14. When the upper needle cylinder 13 rotates with the rotating disc 7, the upper needles move radially forward and backward along the fixed upper needle cylinder triangle 14 track, and the lower needles move axially up and down along the fixed lower needle cylinder triangle 11 track. The two work together precisely to complete the complete weft knitting loop cycle of loop removal, yarn padding, loop closing, loop joining, loop removal, and loop formation. The yarn is continuously fed into the knitting area through the yarn guide channel 16 at the top, continuously knitting a cylindrical rib cuff fabric with high elasticity. The knitted fabric is vertically conveyed downward through the knitting feed hole 8 opened inside the rotating disc 7, and directly connected to the downstream cuff turning and cutting unit 3 for subsequent processing.

[0030] In use, by adopting a reverse drive structure in which the upper cylinder rotates as a whole and the lower cylinder and the upper and lower triangular tracks are fixed, the conventional design of high-speed rotation of the lower cylinder of the circular knitting machine is abandoned. This effectively reduces the vibration and dynamic balance problems caused by the high-speed rotation of the large-mass lower cylinder, and significantly improves the stability and looping accuracy of small-diameter cuff knitting. At the same time, the integrated knitting feed hole 8 inside the rotating disk 7 realizes the seamless connection between knitting and subsequent processes, shortens the material transmission path, and avoids deformation and contamination of the fabric during the transfer process. The rigid connection between the guide bracket 10 and the rotating disk 7 ensures the coaxiality of the upper cylinder 13 and the lower cylinder 12, further improving the uniformity of the knitting pattern and the product qualification rate.

[0031] Example 2

[0032] Specifically, the cuff turning and cutting unit 3 includes a fixed frame 17 fixedly installed on one side inside the processing equipment frame 1. Fixed posts 18 are fixedly installed around the top of the fixed frame 17, and mounting frames 19 are fixedly installed on the top of the four fixed posts 18. Two rubber-coated wheels 23 and two rubber-coated wheels 24 are movably installed on the top of the mounting frame 19, and the two rubber-coated wheels 23 and two rubber-coated wheels 24 are symmetrically arranged. A guide hole 29 is provided in the middle of the mounting frame 19. A turning tube mold 25 is installed above the guide hole 29 and between the two rubber-coated wheels 23 and two rubber-coated wheels 24. The interior of the turning tube mold 25 is hollow. The knitted cuff is placed on the surface of the turning tube mold 25. The cuff is continuously fed downward through the surface of the turning tube mold 25 by the synchronous rotation of the two rubber-coated wheels 23 and two rubber-coated wheels 24.

[0033] The outer surface of the flipping tube die 25 is mirror polished with a surface roughness Ra≤0.8μm to reduce frictional resistance with the cuff fabric. The inner diameter of the flipping tube die 25 is 4-6mm smaller than the outer diameter, and the top is provided with a rounded corner with a radius of 2-3mm to prevent scratching the edge of the cuff fabric. The length of the flipping tube die 25 is 80-120mm to ensure that the cuff fabric can be stably fitted onto its outer surface.

[0034] Furthermore, a feeding servo cylinder 20 is fixedly installed on one side of the mounting frame 19, and a rotating shaft 21 is fixedly installed at one end of the output shaft of the feeding servo cylinder 20 through a coupling; adjusting grooves 27 are provided around the top of the mounting frame 19, and mounting seats 22 are slidably installed on the top of each of the four adjusting grooves 27. Two rubber-coated wheels 23 and two rubber-coated wheels 24 are respectively rotatably connected to the interior of the four mounting seats 22, and both ends of the two rubber-coated wheels 23 and two rubber-coated wheels 24 extend to both sides of the mounting seats 22. Both ends of the first rubber-coated wheel 23 and the two rubber-coated wheels 24 are fixedly provided with helical gears 26, and the teeth of the two adjacent helical gears 26 mesh and drive each other; wherein, the mounting base 22 provided on the outer side of one rubber-coated wheel 23 and one rubber-coated wheel 24 is connected to the internal positioning of the adjusting slide groove 27 by bolts, and the mounting base 22 provided on the outer side of the other rubber-coated wheel 23 and the other rubber-coated wheel 24 is driven by the adjusting hydraulic cylinder 28 provided on the mounting frame 19; one end of the rotating shaft 21 is fixedly connected to one end of one of the rubber-coated wheels 23.

[0035] It should be noted that by adjusting the positions of one rubber-coated wheel 23 and one rubber-coated wheel 24 with bolts, and simultaneously adjusting the positions of the other rubber-coated wheel 23 and the other rubber-coated wheel 24 with the hydraulic cylinder 28, the distance between the two rubber-coated wheels 23 and 24 can be dynamically adjusted within a certain range. This ensures that the surfaces of the two rubber-coated wheels 23 and 24 have a certain degree of contact with the outer surface of the flipping tube mold 25, thereby enabling more effective continuous feeding operations on the cuff of the flipping tube mold 25.

[0036] Furthermore, a blowing control cylinder 30 is fixedly provided on one side of the top of the fixed frame 17, and a blowing frame 31 is fixedly provided on the driving end of the blowing control cylinder 30. A blowing nozzle 32 is fixedly provided on one side of the blowing frame 31, and a blowing port is provided on the top of the blowing nozzle 32. A blowing interface is provided on one side of the blowing frame 31, and one end of the blowing interface is connected to the air pump through an air guide pipe.

[0037] The top of the air nozzle 32 has six strip-shaped air outlets evenly distributed along the circumference. Each strip-shaped air outlet is 10-15mm long and 0.5-0.8mm wide, with an inclination angle of 30-45 degrees, so that the airflow can form an upward swirling flow. The air nozzle 32 is connected to the air blowing frame 31 by a thread, which makes it easy to adjust the blowing angle according to different cuff specifications. The blowing pressure is controlled at 0.3-0.5MPa by an external pressure regulating valve, and the blowing time is controlled at 0.5-1 second to ensure that the cuff can be turned over quickly without blowing the fabric into disarray.

[0038] It should be noted that the air blowing frame 31 is moved to one side by the drive end of the air blowing control cylinder 30 until the air blowing nozzle 32 extends into the lower part of the guide hole 29. The air blowing port at the top of the air blowing nozzle 32 blows the cuffs below the flipping tube mold 25 upward, so that the bottom end of the cuffs flips into the interior of the flipping tube mold 25, completing the automatic flipping action of the cuffs. After the flipping is completed, the drive end of the air blowing control cylinder 30 is reset. At this time, the cuffs on the surface of the flipping tube mold 25 are fed downward by the first rubber-coated wheel 23 and the second rubber-coated wheel 24.

[0039] Furthermore, a cutting frame 34 is fixedly provided at the bottom of the fixed frame 17. Inside the cutting frame 34 and directly below the guide hole 29, a discharge hole 33 is also provided. A discharge fixing plate 39 is fixedly provided on one side of the bottom of the discharge hole 33, and a discharge movable plate 38 is movably provided on the other side of the bottom of the discharge hole 33. A cutting control cylinder 35 is fixedly provided on one side of the cutting frame 34, and the drive end of the cutting control cylinder 35 is fixedly connected to one side of two upper and lower sliding connecting blocks 36 through a connecting block. A cutting pressure block is fixedly provided on one side of the upper sliding connecting block 36, and one side of the lower sliding connecting block 36 is fixedly connected to one side of the movable cutter 37. A movable cutter 37 is fixedly provided between the upper and lower sliding connecting blocks 36, and a fixed cutter 40 is fixedly provided on the other side of the inside of the cutting frame 34.

[0040] Both the movable cutter 37 and the fixed cutter 40 are made of W6Mo5Cr4V2 high-speed steel. The cutting edges are precision ground and the inclination angle of the cutting edges is 18 degrees. The movable cutter 37 is fixed between the upper and lower sliding connecting blocks 36 by four bolts, and the fixed cutter 40 is fixed inside the cutting frame 34 by bolts. The clearance between the movable cutter 37 and the fixed cutter 40 is controlled at 0.02-0.04mm to ensure that the cut surface is flat and free of burrs. After the cutting edge of the cutter is worn, the clearance can be compensated by adjusting the position of the bolts.

[0041] Furthermore, a cutting sensor is also fixedly installed on one side of the feeding fixing plate 39. When the bottom end of the cuff reaches the cutting sensor, a cutting operation is performed. The cutting sensor is a reflective photoelectric sensor, which is fixed to the side of the feeding fixing plate 39 by a bracket. The sensor's detection head faces the conveying path of the cuff fabric, and the detection distance is 50-100mm. The sensor's output end is electrically connected to the PLC control system of the equipment. When the bottom end of the cuff fabric extends downward and blocks the sensor's detection light, the sensor outputs a trigger signal to the control system. After receiving the signal, the control system delays for 0.1-0.2 seconds to control the cutting control cylinder 35 to operate, ensuring that the cutting length accuracy is controlled within ±1mm.

[0042] It should be noted that after the cuff flipping operation is completed, the cuff continues to be fed downwards on the surface of the flipping tube mold 25 via the first rubber-coated roller 23 and the second rubber-coated roller 24. When the bottom of the cuff reaches the cutting sensor, the drive end of the cutting control cylinder 35 controls the movable cutter 37 to move to the side of the fixed cutter 40. The movable cutter 37 and the fixed cutter 40 contact each other to complete the cutting action of the cuff. At the same time, one side of the material feeding movable pressure plate 38 contacts one side of the material feeding fixed pressure plate 39 to flatten the cuff before feeding. Finally, the drive shaft of the cutting control cylinder 35 is reset, the material feeding movable pressure plate 38 and the material feeding fixed pressure plate 39 separate, and the cut cuff is automatically fed.

[0043] Specifically, the fixed frame 17, which is fixed inside the processing equipment frame 1, supports the top mounting frame 19 through four fixed columns 18. The unloading servo electric cylinder 20 on one side of the mounting frame 19 drives the rotating shaft 21 to rotate through the coupling. The rotating shaft 21 drives the rubber-coated wheel 23 connected to it to rotate. The synchronous reverse rotation of two rubber-coated wheels 23 and two rubber-coated wheels 24 is achieved through the helical gears 26 meshing at both ends of the four rubber-coated wheels. The cuff fabric sleeved on the outer surface of the turning tube mold 25 is continuously conveyed downward. The mounting seat 22 on one side is fixed by bolts, and the mounting seat 22 on the other side is driven to slide along the adjusting slide groove 27 by the adjusting hydraulic cylinder 28. The contact pressure between the four rubber-coated wheels and the turning tube mold 25 can be dynamically adjusted. When the cuff fabric is conveyed to the set length, air is blown. The control cylinder 30 drives the air blowing frame 31 to move the air blowing nozzle 32 to directly below the guide hole 29. The air blowing nozzle 32 sprays high-pressure air upward to blow the bottom end of the cuff fabric into the hollow interior of the flipping tube mold 25, completing the automatic flipping action of the cuff. Then, the air blowing control cylinder 30 drives the air blowing nozzle 32 to reset, and the rubber-coated wheel continues to transport the flipped cuff downward. When the bottom end of the cuff reaches the cutting sensor on one side of the feeding fixed pressure plate 39, the cutting control cylinder 35 drives the upper and lower sliding connecting blocks 36 to move synchronously, causing the feeding movable pressure plate 38 to fit and press the cuff tightly against the feeding fixed pressure plate 39. At the same time, it drives the movable cutter 37 to move towards the fixed cutter 40 to complete the fixed-length cutting. After the cutting is completed, the cutting control cylinder 35 resets, and the finished cuff falls automatically through the feeding hole 33.

[0044] During use, four symmetrically arranged rubber-coated wheels achieve synchronous transmission via helical gears 26, ensuring uniform force during cuff conveying and avoiding fabric skewing and stretching deformation caused by unilateral traction. The dynamically adjustable spacing of the rubber-coated wheels can adapt to cuff fabrics of different thicknesses and elasticities, improving the equipment's versatility. High-pressure airflow enables contactless flipping, avoiding snagging and damage to the knitted fabric by the mechanical flipping mechanism, ensuring product surface quality. The integrated flattening and cutting structure presses the cuff before cutting, effectively preventing fabric slippage during cutting and ensuring a smooth, burr-free cut. Furthermore, the fully automated operation requires no manual intervention, significantly improving production efficiency and product consistency.

[0045] Example 3

[0046] Specifically, the operating method of the integrated knitting, cutting, and turning equipment for knitted cuff processing includes the following steps: Step 1: After powering on the equipment, the servo drive motor 5 and the unloading servo cylinder 20 enter the standby state. Adjust the hydraulic cylinder 28 to adjust the position of the corresponding mounting seat 22 in the adjusting groove 27 according to the specifications of the cuff to be processed, so that the two rubber-coated wheels 1 23 and the two rubber-coated wheels 24 maintain a preset contact pressure with the outer surface of the flipping tube mold 25. Step 2: The servo drive motor 5 outputs power to drive the drive wheel 4 to rotate. The drive wheel 4 transmits the rotational power to the rotating disk 7 installed inside the rotary base 6 on the top left of the processing equipment frame 1 through the synchronous belt 9. The rotating disk 7 rotates at a constant speed around the central axis of the rotary base 6. The rotating disk 7 drives the guide brackets 10 fixed on both sides of the top and the connecting frame at the top to rotate synchronously. This in turn drives the upper needle cylinder spindle inside the connecting frame, the upper needle cylinder 13 fixed at the bottom of the upper needle cylinder spindle, the yarn guide channel 16 set at the top of the upper needle cylinder 13, and the drive gear 15 fixed on the surface of the yarn guide channel 16 to rotate synchronously as a whole. The yarn is continuously fed into the knitting area through the yarn guide channel 16 at the top. The upper knitting needles installed in the radial needle groove of the rotating upper needle cylinder 13 move radially forward and backward along the fixed upper needle cylinder triangle 14 track. The lower knitting needles installed in the axial needle groove of the fixed lower needle cylinder 12 move axially up and down along the fixed lower needle cylinder triangle 11 track. The two work together precisely to complete the continuous weft knitting loop cycle.

[0047] Step 3: The continuously woven cylindrical rib cuff fabric is vertically conveyed downwards through the weaving feeding hole 8 inside the rotating disc 7, and naturally fitted onto the outer surface of the turning tube mold 25 at the top of the cuff turning and cutting unit 3, which is located directly below the cuff weaving unit 2. The feeding servo cylinder 20 is started and drives the rotating shaft 21 to rotate through the coupling. The rotating shaft 21 drives the rubber-coated wheel 23 connected to it to rotate. The synchronous reverse rotation of two rubber-coated wheels 23 and two rubber-coated wheels 24 is achieved through the helical gears 26 meshing at the ends of the four rubber-coated wheels, so that the cuff fabric fitted onto the outer surface of the turning tube mold 25 is conveyed downwards at a uniform speed.

[0048] Step 4: When the cuff fabric is conveyed downward to the preset single cuff length, the air blowing control cylinder 30 drives the air blowing frame 31 to move the air blowing nozzle 32 to directly below the guide hole 29. The air blowing nozzle 32 sprays high-pressure air upward to blow the bottom end of the cuff fabric into the hollow interior of the flipping tube mold 25, completing the automatic flipping action of the cuff.

[0049] Step 5: The air blowing control cylinder 30 drives the air blowing frame 31 and the air blowing nozzle 32 to reset to the initial position. The four rubber-coated wheels continue to transport the flipped cuff fabric downwards along the outer surface of the flipping tube mold 25, so that the flipped cuff part continues to extend downwards through the guide hole 29 and the discharge hole 33 in sequence. When the bottom end of the cuff fabric reaches the cutting sensor on one side of the discharge fixed pressure plate 39, the cutting control cylinder 35 drives the upper and lower sliding connecting blocks 36 to move synchronously towards the fixed cutter 40, causing the discharge movable pressure plate 38 to fit and press the cuff fabric against the discharge fixed pressure plate 39. At the same time, the movable cutter 37 contacts the fixed cutter 40 to complete the fixed-length cutting action. The cutting control cylinder 35 drives the sliding connecting block 36, the movable cutter 37 and the discharge movable pressure plate 38 to reset to the initial position. The cut single-section finished cuff automatically falls through the discharge hole 33 to complete the discharge, and the equipment automatically enters the next production cycle.

[0050] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0051] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0052] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. 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 its spirit or essential characteristics. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0053] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A knitting, cutting, and turning integrated equipment for processing knitted cuffs, comprising a processing equipment frame (1), a cuff knitting unit (2) located on one side of the top of the processing equipment frame (1), and a cuff turning and cutting unit (3) located inside the processing equipment frame (1), wherein the cuff knitting unit (2) is located directly above the cuff turning and cutting unit (3), characterized in that, The cuff knitting unit (2) includes a lower needle cylinder (12) and an upper needle cylinder (13) located at the top of the processing equipment frame (1); the cuff turning and cutting unit (3) includes a fixed frame (17) fixedly installed on one side inside the processing equipment frame (1), and a mounting frame (19) is fixedly installed on the top of the fixed frame (17) by four fixed columns (18); two rubber-coated wheels (23) and two rubber-coated wheels (24) are movably installed on the top of the mounting frame (19); a guide hole (29) is provided in the middle of the interior of the mounting frame (19), and the guide hole (29) is located above the two rubber-coated wheels. (23) and two rubber-coated wheels (24) are fitted with a material turning tube mold (25); an air nozzle (32) is movably provided on one side of the top of the fixed frame (17); a cutting frame (34) is fixedly provided at the bottom of the fixed frame (17), and a material discharge hole (33) is also provided inside the cutting frame (34) and directly below the guide hole (29); a movable cutter (37) is fixedly provided between the upper and lower sliding connecting blocks (36), and a fixed cutter (40) is also fixedly provided on the other side inside the cutting frame (34), and two sliding connecting blocks (36) are slidably provided inside the cutting frame (34).

2. The integrated knitting, cutting, and turning equipment for processing knitted cuffs according to claim 1, characterized in that, A rotating base (6) is fixedly provided on the left side of the top of the processing equipment frame (1), and a rotating disk (7) is rotatably provided inside the rotating base (6); the surface of the rotating disk (7) and the surface of the drive wheel (4) are connected by a synchronous belt (9); a lower needle tube triangle (11) is fixedly provided on the left side of the top of the processing equipment frame (1), and the top of the lower needle tube triangle (11) extends to the top of the rotating disk (7); a lower needle tube (12) is also movably provided inside the lower needle tube triangle (11), and the bottom end of the lower needle tube (12) is fixedly connected to the inside of the rotating base (6), and a braiding feed hole (8) is provided inside the rotating disk (7).

3. The integrated knitting, cutting, and turning equipment for processing knitted cuffs according to claim 2, characterized in that, The rotating disc (7) has guide brackets (10) fixed on both sides of its top, and a connecting frame is fixed at the top of the two guide brackets (10). The connecting frame has an upper needle cylinder spindle inside, and an upper needle cylinder (13) is fixed at the bottom of the upper needle cylinder spindle. An upper needle cylinder triangle (14) is provided inside the upper needle cylinder (13). A yarn guide channel (16) is also provided at the top of the upper needle cylinder (13), and a drive gear (15) is fixed on the surface of the yarn guide channel (16).

4. The integrated knitting, cutting, and turning equipment for processing knitted cuffs according to claim 1, characterized in that, The mounting bracket (19) is fixedly provided with a feeding servo cylinder (20) on one side, and a rotating shaft (21) is fixedly provided at one end of the output shaft of the feeding servo cylinder (20) through a coupling; the mounting bracket (19) is provided with adjustment slides (27) around the top, and the top of the four adjustment slides (27) is provided with mounting seats (22) slidably. Two rubber-coated wheels (23) and two rubber-coated wheels (24) are respectively rotatably connected to the interior of the four mounting seats (22), and the two ends of the two rubber-coated wheels (23) and two rubber-coated wheels (24) extend to the two sides of the mounting seats (22), and the two ends of the two rubber-coated wheels (23) and two rubber-coated wheels (24) are fixedly provided with helical gears (26), and the teeth of the two adjacent helical gears (26) mesh and drive each other.

5. The integrated knitting, cutting, and turning equipment for processing knitted cuffs according to claim 4, characterized in that, The mounting base (22) on the outside of one rubber-coated wheel (23) and one rubber-coated wheel (24) is connected to the internal positioning of the adjusting slide (27) by bolts. The mounting base (22) on the outside of another rubber-coated wheel (23) and another rubber-coated wheel (24) is driven by the adjusting hydraulic cylinder (28) set on the mounting frame (19). One end of the rotating shaft (21) is fixedly connected to one end of one of the rubber-coated wheels (23).

6. The integrated knitting, cutting, and turning equipment for processing knitted cuffs according to claim 1, characterized in that, A blowing control cylinder (30) is fixedly provided on one side of the top of the fixed frame (17), and a blowing frame (31) is fixedly provided on the driving end of the blowing control cylinder (30). One side of the blowing frame (31) is fixedly connected to one side of the blowing nozzle (32), and the top of the blowing nozzle (32) is provided with a blowing port. A blowing interface is provided on one side of the blowing frame (31), and one end of the blowing interface is connected to the air pump through an air guide pipe.

7. The integrated knitting, cutting, and turning equipment for processing knitted cuffs according to claim 1, characterized in that, A feeding fixing plate (39) is fixedly provided on one side of the bottom of the feeding hole (33), and a feeding movable plate (38) is also movably provided on the other side of the bottom of the feeding hole (33); a cutting control cylinder (35) is fixedly provided on one side of the cutting rack (34), and the driving end of the cutting control cylinder (35) is fixedly connected to one side of the upper and lower sliding connecting blocks (36) through the connecting block.

8. The integrated knitting, cutting, and turning equipment for processing knitted cuffs according to claim 1, characterized in that, A cutting pressure block is fixedly provided on one side of the upper sliding connecting block (36), and one side of the lower sliding connecting block (36) is fixedly connected to one side of the movable cutter (37).

9. The integrated knitting, cutting, and turning equipment for processing knitted cuffs according to claim 1, characterized in that, A drive wheel (4) is rotatably provided on the right side of the top of the processing equipment frame (1); a servo drive motor (5) is fixedly provided on the right side inside the processing equipment frame (1), and the top of the output shaft of the servo drive motor (5) is fixedly connected to the inside of the drive wheel (4).

10. The integrated knitting, cutting, and turning equipment for processing knitted cuffs according to claim 1, characterized in that, Two rubber-coated rollers (23) and two rubber-coated rollers (24) are symmetrically arranged; the inside of the turning tube mold (25) is hollow.

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