Yarn pretreatment monitoring system for preventing yarn from being broken for sock production and use method of yarn pretreatment monitoring system

Abstract

The invention relates to the technical field of automatic sock production equipment, in particular to a yarn pretreatment monitoring system for preventing yarn breakage for sock production and a use method thereof.The yarn pretreatment monitoring system comprises a rack body and is characterized in that an annular supporting frame is arranged on one side of the top of the rack body, and a yarn supply system is arranged on the annular supporting frame; a cross connecting arm is arranged on one side of the inner wall of the annular supporting frame, a center supporting shaft is arranged at one end of the bottom of the cross connecting arm, a thread stand unit is arranged on the upper portion of the center supporting shaft, and a yarn detection and weft storage system is arranged in the middle of the center supporting shaft. A yarn lubrication monitoring unit is arranged below the yarn detection and weft storage system, and a knitting execution unit is arranged below the yarn lubrication monitoring unit; a control unit is arranged on one side of the knitting execution unit; the yarn supply unit, the thread stand guide unit, the weft storage detection unit, the lubrication monitoring unit and the knitting execution unit are arranged on the rack in a layered mode, and continuous pretreatment is achieved; the system can be configured with multi-color and multi-material yarns, and diversified requirements are met; the coil holder guides and normalizes the path and prevents winding and friction; the detection weft storage unit monitors broken yarns in real time, provides reserve and stabilizes tension; the lubricating unit is visual and maintainable, oil is evenly applied, and real-time feedback is achieved; the control unit is centrally managed and is safe and reliable.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automatic production equipment for socks, and particularly relates to a yarn pretreatment monitoring system for preventing yarn breakage in sock production and a use method thereof. BACKGROUND

[0002] In the textile industry, especially in the field of automatic production of socks, yarn is the core raw material, and its quality and continuity directly affect the knitting efficiency and the qualification rate of finished products. With the increasing demand for diversified and functional socks in the market, production equipment often needs to handle yarns of multiple colors and different materials at the same time, which puts higher requirements on the transportation, tension control and surface state of the yarns. On the production line, yarns often break or break due to sudden changes in tension, excessive friction, uneven lubrication or minor damage, which not only causes delays in replacing yarns during downtime, but also causes raw material waste and scrap of semi-finished products. In the prior art, the detection, lubrication and tension adjustment of the yarn are often arranged separately or rely on manual inspection, which makes it difficult to achieve timely warning and processing in high-speed continuous production, resulting in insufficient stability of the production line and poor adaptability to multi-variety and small-batch production modes.

[0003] A sock all-in-one machine sock turning and toe sewing device (publication number: CN 218756410 U) is disclosed in a Chinese patent, which includes a bottom plate and a support rod, the left and right sides of the lower end face of the bottom plate are fixedly connected with support legs, the upper end face of the bottom plate is fixedly connected with the lower end face of the support rod, the outer curved surface of the support rod is rotatably connected with a top plate, the right side of the upper end face of the bottom plate is fixedly connected with an electric telescopic rod, the upper end of the electric telescopic rod is fixedly connected with a connecting block, the left end face of the connecting block is fixedly connected with a connecting rod, and the left end of the connecting rod is fixedly connected with a connecting plate, but this sock all-in-one machine has the problems of scattered yarn breakage prevention means, lack of centralized and continuous pretreatment and real-time monitoring, difficulty in timely eliminating hidden dangers, and influence on production stability and efficiency, etc. Therefore, a yarn pretreatment monitoring system for preventing yarn breakage in sock production and a use method thereof are needed. SUMMARY

[0004] The purpose of the present application is to solve the problems of scattered yarn breakage prevention means, lack of centralized and continuous pretreatment and real-time monitoring, difficulty in timely eliminating hidden dangers, and influence on production stability and efficiency, etc. in traditional production equipment, and to provide a yarn pretreatment monitoring system for preventing yarn breakage in sock production and a use method thereof.

[0005] The technical scheme adopted by the present application to solve its technical problems is: the yarn pretreatment monitoring system for preventing yarn breakage in sock production, comprising a rack main body, characterized in that: a plurality of bearing plates are arranged in parallel and at intervals along the vertical direction of the rack main body; an annular support frame is arranged on one side of the top of the rack main body, a yarn supply system is arranged on the annular support frame, a cross connecting arm is arranged on one side of the inner wall of the annular support frame, a central support shaft is arranged at one end of the bottom of the cross connecting arm, a wire rack unit is arranged on the upper part of the central support shaft, and a yarn detection and weft storage system is arranged in the middle of the central support shaft; a yarn lubrication monitoring unit is arranged below the yarn detection and weft storage system, and the yarn lubrication monitoring unit is associated with the central support shaft; a knitting execution unit is arranged below the yarn lubrication monitoring unit; and a control unit is arranged on one side of the knitting execution unit. Through the preset yarn detection, weft storage and lubrication functions, the hidden danger of yarn breakage is eliminated or early warning is given before the yarn enters the knitting link, the continuity and efficiency of production are improved, the layered bearing plate structure allows the layout of each functional module to be compact and smooth, the tortuosity and pulling of the yarn path are reduced, and the risk of accidental breakage is reduced, the centralized control system is convenient to operate and maintain, and the running stability and manageability of the whole machine are improved.

[0006] Preferably, the yarn lubrication monitoring unit comprises a transparent mounting disc, a plurality of wire holes are uniformly distributed on the top of the transparent mounting disc in the circumferential direction, a plurality of oil passing box structures are uniformly arranged on the bottom of the transparent mounting disc in the circumferential direction, and the oil passing box structures are associated with the wire holes; the oil passing box structure comprises a box body, a cover plate that can be opened and closed is arranged on one side of the box body, the cover plate is made of transparent acrylic material and is movably connected with the box body, an opening for the yarn to pass through is arranged on the top of the box body, an outlet for the yarn to pass through is arranged on the bottom of the box body, the inside of the box body is a hollow cavity and is provided with an oil absorption felt module, an oil pipe joint for communicating with an external oil tank is arranged on one side of the top of the box body, the oil pipe joint is a metal cylindrical joint made of stainless steel and has an oil delivery pipe connected at one end on the top thereof. The transparent mounting disc and the transparent cover plate make the lubrication process visual, the operator can check whether the yarn is uniformly oiled and the oil content of the felt at any time, and reduce the breakage caused by lack of oil or excessive oil; the independent oil passing box structure can lubricate different yarns respectively, improving adaptability; the openable and closable design facilitates disassembly, cleaning and maintenance, maintains long-term stable lubrication effect, prolongs the service life of the yarn and improves the knitting quality.

[0007] Preferably, the oil absorption felt module is composed of an arc-shaped felt and an arc-shaped felt which are embedded with each other, the outer wall of the arc-shaped felt is associated with the inner wall of the arc-shaped felt; the bottom of the arc-shaped felt is provided with a clamping groove, the inner wall of the bottom of the box body is provided with a clamping block, and the clamping groove and the clamping block are matched. The embedded structure of the felt makes the oil absorption surface more closely contact with the yarn contact path, improves the uniformity of oil transfer; the fixing mode of the clamping groove and the clamping block prevents the felt from shifting or deforming during operation, ensures the continuous and stable lubrication process; such reliable fixing also reduces the friction changes caused by the loosening of the felt, thereby further reducing the risk of broken yarns.

[0008] Preferably, the outer wall of the box body is provided with a plurality of through holes corresponding to the position of the oil absorption felt module, and a felt fastening kit is arranged in the through hole. The combination of through holes and fastening kits not only strengthens the mechanical fixation of the felt, but also helps to maintain the air permeability of the felt and the discharge of excess oil, avoiding the accumulation of oil stains causing yarn adhesion or contamination; the fastening kit can also slow down the wear speed of the felt, prolong the effective working time of the lubrication unit, and maintain stable yarn lubrication performance.

[0009] Preferably, the top of the box body is provided with a connecting support, the top of the connecting support is provided with a mounting groove, the mounting groove is connected with a bending support, one end of the bending support is connected with a first wire guide wheel; one side of the connecting support is connected with an electronic yarn sensor. The addition of the wire guide wheel can make the yarn path smoothly transition when entering and leaving the lubrication box, reducing the broken yarns caused by bending stress; the electronic sensor can instantly find the yarn stagnation, breakage or abnormal tightness during the lubrication process, and timely feedback to the control system to realize rapid response, reduce raw material waste and equipment idling.

[0010] Preferably, the yarn supply system includes a plurality of yarn suspension assemblies arranged in a circumferential array, the yarn suspension assembly includes an L-shaped connecting rod and a plurality of yarn spools of different colors or materials associated with the L-shaped connecting rod. The circumferential array arrangement makes the yarn supply end structure compact and easy to access, and multiple spools of different colors or materials can meet the production needs of different pattern and functional socks; the L-shaped connecting rod design makes the yarn spool replacement more convenient, reduces the downtime for changing yarns, and improves the flexibility and efficiency of the production line.

[0011] Preferably, the creel unit includes a large-size annular creel and a small-size annular creel arranged in a concentric ring shape, and the outer walls of the large-size annular creel and the small-size annular creel are uniformly distributed with a plurality of wire guide holes in the circumferential direction. The double-ring nested structure can accommodate more yarns and effectively distribute space, so that multiple yarns remain relatively independent during guiding, reducing mutual entanglement and friction; the circumferentially distributed wire guide holes make the yarn path regular when entering the detection and storage system, reducing the probability of broken yarns caused by disordered yarns.

[0012] Preferably, the yarn detection and storage system comprises a first annular truss and a second annular truss arranged in concentric annular nesting; the outer wall of the first annular truss is uniformly distributed with a plurality of L-shaped mounting frames in the circumferential direction, and each L-shaped mounting frame is provided with a mechanical yarn breakage sensor; a yarn inlet hopper is arranged below the mechanical yarn breakage sensor, and a second yarn guide wheel is connected to the bottom of the yarn inlet hopper; the outer wall of the second annular truss is uniformly distributed with a plurality of fixing frames in the circumferential direction, and each fixing frame is provided with a yarn storage device. The mechanical yarn breakage sensor can directly detect yarn breakage before the yarn enters the storage link, the yarn storage device provides a certain length of standby yarn, and the yarn supply is continuous when the yarn is temporarily broken; the yarn inlet hopper and the second yarn guide wheel cooperate to control the tension of the yarn when it enters the yarn storage device, reduce the breakage caused by sudden tension change, and improve the anti-interference ability of the system.

[0013] Preferably, the control unit comprises a cabinet, and a control panel is arranged on the top surface of the cabinet; a plurality of operation buttons are arranged on one side of the control panel, and an emergency stop button is arranged on the other side. The centralized control panel makes the operation intuitive and convenient, and the working state of each unit can be quickly adjusted; the emergency stop button can immediately interrupt the operation of the equipment in case of sudden abnormality, protect the yarn and the equipment, reduce the loss of accidents, and improve the controllability and safety of production management.

[0014] Preferably: Step one: yarn supply and creel guidance A yarn supply system is installed on the annular support frame on one side of the top of the main body of the rack, and the system is composed of a plurality of yarn suspension assemblies arranged in a circumferential array, each assembly comprising an L-shaped connecting rod and a plurality of yarn spools of different colors or materials associated therewith; the yarn is guided downward from the spool through the central support shaft on one side of the annular support frame, and one end of the central support shaft is fixed on the cross connecting arm to provide stable support for subsequent functional units; A creel unit is arranged on the upper part of the central support shaft, and the unit is composed of a large-size annular creel and a small-size annular creel arranged in concentric annular nesting, and a plurality of yarn guide holes are uniformly distributed on the outer walls of the two creels in the circumferential direction; the yarn is regularly guided through these yarn guide holes, so that the paths of the multiple yarns are separated and arranged in order, reducing mutual entanglement and friction, and creating good conditions for subsequent detection and storage; Step two: yarn breakage detection and storage A yarn detection and storage system is installed on the central support shaft, and the system is composed of a first annular truss and a second annular truss arranged in concentric annular nesting; a plurality of L-shaped mounting frames are uniformly distributed on the outer wall of the first annular truss in the circumferential direction, and each L-shaped mounting frame is provided with a mechanical yarn breakage sensor; a yarn inlet hopper is arranged below the mechanical yarn breakage sensor, and a second yarn guide wheel is connected to the bottom of the yarn inlet hopper to guide the yarn into the second annular truss; a plurality of mounting frames are uniformly distributed on the outer wall of the second annular truss in the circumferential direction, and each mounting frame is provided with a yarn storage device to release the stored yarn when the yarn is broken or the tension is abnormal, ensuring continuous and stable yarn supply; Step three: lubrication and real-time monitoring A yarn lubrication monitoring unit is arranged below the yarn detection and yarn storage system, which is associated with the central support shaft and includes a transparent mounting disc with a plurality of wire holes uniformly distributed on the top and a plurality of oil passing box structures uniformly distributed on the bottom in the circumferential direction; each oil passing box structure is composed of a box body, a transparent acrylic cover plate that can be opened and closed, openings and outlets at the top and bottom for the yarn to pass through, an internal hollow cavity, and an oil absorbing felt module; the oil absorbing felt module is composed of an arched felt and an arc-shaped felt embedded with each other, the outer wall of the arc-shaped felt cooperates with the inner wall of the arched felt, the bottom of the arched felt is provided with a clamping groove, the inner wall of the box body is provided with a clamping block at the bottom, and the two cooperate to fix the felt; a plurality of through holes are arranged on the outer wall of the box body corresponding to the position of the oil absorbing felt module, a felt fastening sleeve is installed in the through hole, a stainless steel oil pipe joint is arranged on one side of the top, and the oil pipe is communicated with the external oil tank to continuously supply lubricating oil to the oil absorbing felt; during the passing process, the yarn must pass through the oil absorbing felt module in the hollow cavity of the box body, when the yarn passes through the oil absorbing felt module at high speed, the felt fiber contacts the surface of the yarn, and the stored oil is slowly and uniformly released onto the yarn to form a thin and continuous oil film; a connecting support is arranged on the top of the box body, a clamping groove is arranged on the top of the connecting support, a bending support is connected to the first guide wheel at one end for guiding the yarn to enter and exit the lubrication unit; an electronic yarn sensor is connected to one side of the connecting support; the running state of the yarn in the lubrication area is monitored in real time, and abnormality such as stagnation or broken wire is found in time; Step four: knitting execution The yarn processed by the lubrication monitoring unit is guided into the knitting execution unit by the first guide wheel, and the sock is knitted according to the set pattern and needle method in the unit; at this time, the yarn is in a state of balanced tension and fully lubricated surface, the risk of broken wire is significantly reduced, thereby ensuring the stability and efficiency of the knitting process; Step five: centralized control and safety protection The whole system is managed by a control unit, which includes a cabinet, a control panel is arranged on the top surface of the cabinet, a plurality of operation buttons are arranged on one side of the panel for starting and stopping the equipment, switching the operation mode and adjusting the parameters, and an emergency stop button is arranged on the other side, which can immediately cut off the action of each unit to protect the safety of the yarn, equipment and personnel when abnormal conditions occur.

[0015] The advantages of the present application are: The yarn pretreatment monitoring system for sock production provided by this invention, which prevents yarn breakage, arranges functional units such as yarn supply, yarn frame guidance, detection and weft storage, lubrication monitoring, and knitting execution in layers on the main frame. This allows the yarn to undergo a series of continuous pretreatment processes before entering the knitting stage, thereby reducing the risk of yarn breakage at the source. The yarn supply system can simultaneously configure multiple rolls of yarn of different colors or materials to meet diverse production needs, and its use and replacement are more convenient. The yarn frame unit, through a concentric ring nested structure and circumferential guide holes, ensures that the paths of multiple yarn strands are regular and clearly separated, effectively avoiding tangling and excessive friction. The detection and weft storage system, combined with a mechanical yarn breakage sensor and weft feeder, provides yarn reserve support when a yarn breakage is detected, stabilizes yarn tension, and reduces breakage caused by instantaneous changes in tension. The lubrication monitoring unit, through its transparent mounting disc and openable oil-passing box structure, makes the lubrication process visible and maintainable. The oil-absorbing felt module and fixed structure ensure even oil distribution, reducing yarn damage caused by insufficient or excessive lubrication. Simultaneously, an electronic yarn sensor monitors the lubrication zone status in real time, providing timely feedback. The control unit centrally manages the entire system, providing operation and emergency stop functions, ensuring safe and controllable production. Overall, the system forms a closed loop in terms of structural layout, functional integration, process monitoring, and lubrication assurance, significantly improving production continuity, yarn utilization, and finished product quality, while reducing manual inspection and maintenance costs and enhancing adaptability to different yarn types and production flexibility. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the isometric structure of the present invention.

[0018] Figure 2 This is a schematic diagram of the right-side structure of the present invention.

[0019] Figure 3 For the present invention Figure 2 Enlarged view of I in the middle.

[0020] Figure 4 For the present invention Figure 2 Enlarged view of section II.

[0021] Figure 5 For the present invention Figure 2 Enlarged view of section III.

[0022] Figure 6It is a schematic view of the main structure of the application.

[0023] Figure 7 It is a schematic view of the structure of the threading box of the application.

[0024] Figure 8 It is a schematic view of the internal structure of the oil absorption felt module of the application.

[0025] Figure 9 It is a schematic view of the main structure of the threading box of the application.

[0026] In the figure: 1, bearing plate; 2, main body of the machine frame; 3, annular support frame; 4, yarn reel; 5, L-shaped connecting rod; 6, transparent mounting disc; 7, oil passing box structure; 8, weaving execution unit; 9, emergency stop button; 10, control panel; 11, cabinet; 12, operation button; 13, wire guide hole; 14, small size annular wire rack; 15, large size annular wire rack; 16, first annular truss; 17, mechanical yarn breakage sensor; 18, L-shaped mounting frame; 19, yarn feeding hopper; 20, second wire guide wheel; 21, fixed frame; 22, second annular truss; 23, yarn accumulator; 24, bending support; 25, mounting groove; 26, electronic yarn sensor; 27, connecting support; 28, felt fastening kit; 29, oil absorption felt module; 30, clamping block; 31, outlet; 32, cover plate; 33, oil pipe joint; 34, oil delivery pipe; 35, first wire guide wheel; 36, arched felt; 36, arc-shaped felt; 37, box body. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application. EMBODIMENT

[0028] Please refer to Figures 1-9The yarn pretreatment monitoring system for preventing yarn breakage in sock production shown includes a rack body 2, characterized in that: the rack body 2 is arranged in parallel along the vertical direction and is spaced apart by a plurality of bearing plates 1; one side of the top of the rack body 2 is provided with a ring-shaped support frame 3, the ring-shaped support frame 3 is provided with a yarn supply system, one side of the inner wall of the ring-shaped support frame 3 is provided with a cross connection arm, one end of the bottom of the cross connection arm is provided with a center support shaft, the upper part of the center support shaft is provided with a wire rack unit, and the middle part of the center support shaft is provided with a yarn detection and weft storage system; the yarn detection and weft storage system is provided below the yarn lubrication monitoring unit, the yarn lubrication monitoring unit is associated with the center support shaft; the knitting execution unit 8 is arranged below the yarn lubrication monitoring unit; the control unit is arranged on one side of the knitting execution unit 8. Through the preset yarn detection, weft storage and lubrication functions, the hidden danger of yarn breakage is eliminated or early warning before the yarn enters the knitting link, the continuity and efficiency of production are improved; the layered bearing plate 1 structure makes the layout of each functional module compact and smooth, reduces the bending and pulling of the yarn path, and reduces the risk of accidental breakage; the centralized control system is convenient to operate and maintain, and improves the operation stability and manageability of the whole machine.

[0029] In the embodiment, the yarn lubrication monitoring unit includes a transparent installation disc 6, a plurality of wire holes are uniformly distributed on the top of the transparent installation disc 6, a plurality of oil passing box structures 7 are uniformly distributed and arranged on the bottom of the transparent installation disc 6, and the oil passing box structures 7 are associated with the wire holes; the oil passing box structure 7 includes a box body 37, one side of the box body 37 is provided with a openable and closable cover plate 32, the cover plate 32 is made of transparent acrylic material and is movably connected with the box body 37; the top of the box body 37 is provided with an opening for the yarn to pass through; the bottom of the box body 37 is provided with an outlet 31 for the yarn to pass through; the inside of the box body 37 is a hollow cavity and is provided with an oil absorption felt module 29; one side of the top of the box body 37 is provided with an oil pipe joint 33 for communication with an external oil tank; the oil pipe joint 33 is a metal cylindrical joint made of stainless steel and has an oil delivery pipe 34 connected at one end of the top. The transparent installation disc 6 and the transparent cover plate 32 make the lubrication process visual, the operator can check whether the yarn is uniformly oiled and the oil content of the felt at any time, reduce the breakage caused by lack of oil or excessive oil; the independent oil passing box structure 7 can lubricate different yarns respectively, improve the adaptability; the openable and closable design is convenient to disassemble, clean and maintain, keeps the long-term stable lubrication effect, prolongs the service life of the yarn and improves the knitting quality.

[0030] In this embodiment, the oil absorption felt module 29 is composed of an arched felt 36 and an arc-shaped felt 36 embedded with each other, and the outer wall of the arc-shaped felt 36 is associated with the inner wall of the arched felt 36. The bottom of the arched felt 36 is provided with a clamping groove, and the inner wall of the box body 37 is provided with a clamping block 30 at the bottom, and the clamping groove is matched with the clamping block 30. The embedded structure of the felt makes the oil absorption surface more closely contact with the yarn contact path, improves the uniformity of oil transfer, and the fixing mode of the clamping groove and the clamping block 30 prevents the felt from shifting or deforming during operation, ensures the continuous and stable lubrication process, and reduces the friction changes caused by the loosening of the felt, thereby further reducing the risk of broken yarn.

[0031] In this embodiment, the box body 37 is provided with a plurality of through holes corresponding to the position of the oil absorption felt module 29, and a felt fastening kit 28 is arranged in the through holes. The combination of through holes and fastening kits not only strengthens the mechanical fixation of the felt, but also helps to maintain the air permeability of the felt and the discharge of excess oil, avoiding the accumulation of oil stains causing yarn adhesion or contamination; the fastening kit can also slow down the wear speed of the felt, prolong the effective working time of the lubrication unit, and maintain stable yarn lubrication performance.

[0032] In this embodiment, the box body 37 is provided with a connecting support 27 at the top, the connecting support 27 is provided with a mounting groove 25 at the top, the mounting groove 25 is connected with a bending bracket 24, one end of the bending bracket 24 is connected with a first wire wheel 35; one side of the connecting support 27 is connected with an electronic yarn sensor 26. The model of the electronic yarn sensor 26 is Keyence FS-N18N, which is a common product on the market, and the addition of the wire wheel can make the yarn path smoothly transition when entering and leaving the lubrication box, reducing the broken yarn caused by bending stress; the electronic sensor can instantly find the yarn stagnation, breakage or abnormal tension during the lubrication process, and feedback to the control system in time, realizing rapid response, reducing raw material waste and equipment idling.

[0033] In this embodiment, the yarn supply system includes a plurality of yarn suspension assemblies arranged in a circumferential array, and the yarn suspension assemblies include an L-shaped connecting rod 5 and a plurality of yarn spools 4 of different colors or materials associated with the L-shaped connecting rod 5. The circumferential array arrangement makes the yarn supply end structure compact and easy to use, and the multiple spools of different colors or materials can meet the production needs of different pattern and functional socks; the L-shaped connecting rod 5 design makes the yarn spool replacement more convenient, reduces the downtime, and improves the flexibility and efficiency of the production line.

[0034] In this embodiment, the wire rack unit includes a large-size annular wire rack 15 and a small-size annular wire rack 14 arranged in a concentric annular nested manner, and the outer walls of the large-size annular wire rack 15 and the small-size annular wire rack 14 are uniformly distributed with a plurality of wire guide holes 13 in the circumferential direction. The double-ring nested structure can simultaneously accommodate more yarns and effectively allocate space, so that the multiple yarns remain relatively independent during guiding and the mutual entanglement and friction are reduced; the circumferentially distributed wire guide holes 13 make the path of the yarn entering the detection and storage system regular, thereby reducing the probability of yarn breakage caused by disorder.

[0035] In this embodiment, the yarn detection and storage system includes a first annular truss 16 and a second annular truss 22 arranged in a concentric annular nested manner; the outer wall of the first annular truss 16 is uniformly distributed with a plurality of L-shaped mounting racks 18 in the circumferential direction, and each L-shaped mounting rack 18 is provided with a mechanical yarn breakage sensor 17; the mechanical yarn breakage sensor 17 is of Model Karl MayerTM 2, which is a common product on the market; a yarn inlet hopper 19 is arranged below the mechanical yarn breakage sensor 17, and the bottom of the yarn inlet hopper 19 is connected with a second wire guide wheel 20; the outer wall of the second annular truss 22 is uniformly distributed with a plurality of fixing racks 21 in the circumferential direction, and each fixing rack 21 is provided with a yarn storage device 23. The mechanical yarn breakage sensor 17 can directly detect yarn breakage before the yarn enters the storage link, and the storage device provides a certain length of standby yarn to ensure continuous yarn supply during temporary yarn breakage; the yarn inlet hopper 19 cooperates with the second wire guide wheel 20 to control the tension of the yarn entering the storage device, thereby reducing the breakage caused by sudden tension change and improving the anti-interference ability of the system.

[0036] In this embodiment, the control unit includes a cabinet 11, and the top surface of the cabinet 11 is provided with a control panel 10, one side of the control panel 10 is provided with a plurality of operation buttons 12, and the other side is provided with an emergency stop button 9. The centralized control panel 10 makes the operation intuitive and convenient, and the working states of each unit can be quickly adjusted; the emergency stop button 9 can immediately interrupt the operation of the equipment in case of emergency, thereby protecting the yarn and the equipment, reducing the loss caused by accidents, and improving the controllability and safety of production management.

[0037] In this embodiment: Step one: yarn supply and wire rack guiding A yarn supply system is installed on the annular support rack 3 on one side of the top of the rack main body 2, and the system is composed of a plurality of yarn suspension assemblies arranged in a circumferential array, each assembly including an L-shaped connecting rod 5 and a plurality of yarn spools 4 of different colors or materials associated therewith; after the yarn is drawn out from the spool, it is transmitted downward through the central support shaft on one side of the annular support rack 3, and one end of the central support shaft is fixed on the cross connecting arm to provide stable support for subsequent functional units; The center support shaft upper part is provided with a wire frame unit, which is composed of a large-size annular wire frame 15 and a small-size annular wire frame 14 in a concentric annular nesting manner, and a plurality of wire guide holes 13 are uniformly distributed on the outer walls of the two wire frames in the circumferential direction; the yarn is regularly guided through the wire guide holes 13, so that the paths of the multiple yarns are separated and arranged in order, the mutual entanglement and friction are reduced, and good conditions are created for subsequent detection and weft storage; Step two: broken yarn detection and weft storage The center support shaft middle part is provided with a yarn detection and weft storage system, which is composed of a first annular truss 16 and a second annular truss 22 in a concentric annular nesting manner; a plurality of L-shaped mounting frames 18 are uniformly distributed on the outer wall of the first annular truss 16 in the circumferential direction, and a mechanical broken yarn sensor 17 is mounted on each L-shaped mounting frame 18; a yarn inlet hopper 19 is arranged below the mechanical broken yarn sensor 17, and the bottom of the yarn inlet hopper 19 is connected with a second wire guide wheel 20 to guide the yarn into the second annular truss 22; a plurality of mounting frames are uniformly distributed on the outer wall of the second annular truss 22 in the circumferential direction, and a yarn weft storage device 23 is mounted on each mounting frame to release the stored yarn when the yarn is broken or the tension is abnormal, so as to ensure the continuous and stable yarn supply; Step three: lubrication and real-time monitoring A yarn lubrication and monitoring unit is arranged below the yarn detection and weft storage system, which is associated with the center support shaft and includes a transparent mounting disc 6, the top of which is uniformly provided with a plurality of wire holes in the circumferential direction, and the bottom of which is uniformly provided with a plurality of oil passing box structures 7 in the circumferential direction; each oil passing box structure 7 is composed of a box body 37, a transparent acrylic cover plate 32 which can be opened and closed, an opening and an outlet 31 at the top and the bottom for the yarn to pass through, an internal hollow cavity and an oil absorption felt module 29; the oil absorption felt module 29 is composed of an arched felt 36 and an arc-shaped felt 36 which are nested with each other, the outer wall of the arc-shaped felt 36 cooperates with the inner wall of the arched felt 36, the bottom of the arched felt 36 is provided with a clamping groove, the inner wall of the box body 37 is provided with a clamping block 30 at the bottom, and the two cooperate to fix the felt; a plurality of through holes are arranged on the outer wall of the box body 37 corresponding to the position of the oil absorption felt module 29, a felt fastening sleeve 28 is mounted in the through hole, a stainless steel oil pipe joint 33 is arranged on one side of the top, and the oil pipe joint 33 is connected with an external oil tank through an oil conveying pipe 34 to continuously supply lubricating oil to the oil absorption felt; during the passing process, the yarn must pass through the oil absorption felt module 29 in the hollow cavity of the box body 37, and when the yarn passes through the oil absorption felt module 29 at high speed, the felt fiber contacts the surface of the yarn to slowly and uniformly release the stored oil to the yarn to form a thin and continuous oil film; a connecting support 27 is arranged on the top of the box body 37, a clamping groove on the top of the connecting support 27 is connected with a bent support 24, one end of the bent support 24 is connected with a first wire guide wheel 35 for guiding the yarn to enter and exit the lubrication unit; an electronic yarn sensor 26 is connected on one side of the connecting support 27; the running state of the yarn in the lubrication area is monitored in real time to timely find the abnormality of stagnation or broken yarn; Step four: knitting execution The yarn processed by the lubrication monitoring unit is guided into the knitting execution unit 8 by the first guide wheel 35, and the sock knitting is carried out according to the set pattern and needle method in the unit; at this time, the yarn is in a state of balanced tension and sufficient surface lubrication, and the risk of yarn breakage is significantly reduced, thereby ensuring the smoothness and efficiency of the knitting process. Step five: centralized control and safety protection The whole system is managed by a control unit, which includes a cabinet 11, and a control panel 10 is arranged on the top surface of the cabinet 11. A plurality of operation buttons 12 are arranged on one side of the panel for starting and stopping the equipment, switching the operation mode and adjusting the parameters. An emergency stop button 9 is arranged on the other side of the panel, which can immediately cut off the action of each unit when an abnormal condition occurs, thereby protecting the yarn, equipment and personnel safety.

[0038] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A yarn pretreatment monitoring system for preventing yarn breakage in hosiery production, comprising a rack main body (2), characterized in that The rack body (2) is arranged in parallel and spaced apart in the vertical direction; the top of the rack body (2) is provided with a ring-shaped support frame (3), the ring-shaped support frame (3) is provided with a yarn supply system, the inner wall of the ring-shaped support frame (3) is provided with a cross connecting arm, the bottom of the cross connecting arm is provided with a center support shaft, the upper part of the center support shaft is provided with a wire frame unit, and the middle part of the center support shaft is provided with a yarn detection and storage system; the yarn detection and storage system is provided below the yarn lubrication monitoring unit, the yarn lubrication monitoring unit is associated with the center support shaft; the knitting execution unit (8) is arranged below the yarn lubrication monitoring unit; the control unit is arranged on one side of the knitting execution unit (8).

2. The yarn pretreatment monitoring system for preventing yarn breakage in hosiery production according to claim 1, characterized in that: The yarn lubrication monitoring unit comprises a transparent mounting disc (6), a plurality of wire holes are uniformly distributed on the top of the transparent mounting disc (6), a plurality of oil passing box structures (7) are uniformly distributed and arranged on the bottom of the transparent mounting disc (6), and the oil passing box structures (7) are associated with the wire holes; the oil passing box structure (7) comprises a box body (37), one side of the box body (37) is provided with a cover plate (32) which can be opened and closed, the cover plate (32) is made of transparent acrylic material and is movably connected with the box body (37); the box body (37) is provided with an opening at the top for the yarn to pass through; the box body (37) is provided with an outlet (31) at the bottom for the yarn to pass through; the inside of the box body (37) is a hollow cavity and is provided with an oil absorption felt module (29); the box body (37) is provided with an oil pipe joint (33) on one side of the top for communication with an external oil tank; the oil pipe joint (33) is a metal cylindrical joint made of stainless steel and has an oil delivery pipe (34) connected at the top end.

3. The yarn pretreatment monitoring system for preventing yarn breakage in hosiery production according to claim 1, characterized in that: The oil absorption felt module (29) is composed of an arc-shaped felt (36) and an arc-shaped felt (36) embedded with each other, the outer wall of the arc-shaped felt (36) is associated with the inner wall of the arc-shaped felt (36); the bottom of the arc-shaped felt (36) is provided with a clamping groove, the inner wall of the box body (37) is provided with a clamping block (30), and the clamping groove is matched with the clamping block (30).

4. The yarn pretreatment monitoring system for preventing yarn breakage in hosiery production according to claim 1, characterized in that: A plurality of through holes are formed on the outer wall of the box body (37) corresponding to the position of the oil absorption felt module (29), and a felt fastening sleeve (28) is arranged in the through hole.

5. The yarn pretreatment monitoring system for preventing yarn breakage in hosiery production according to claim 2, characterized in that: The box body (37) is provided with a connecting support (27) at the top, the connecting support (27) is provided with a mounting groove (25) at the top, the mounting groove (25) is connected with a bending support (24), and the bending support (24) is connected with a first wire wheel (35) at one end; the connecting support (27) is connected with an electronic yarn sensor (26) on one side.

6. The yarn pretreatment monitoring system for preventing yarn breakage in hosiery production according to claim 1, characterized in that: The yarn supply system comprises a plurality of yarn suspension assemblies arranged in a circumferential array, the yarn suspension assembly comprises an L-shaped connecting rod (5) and a plurality of yarn spools (4) of different colors or materials associated with the L-shaped connecting rod (5).

7. The yarn pretreatment monitoring system for preventing yarn breakage in hosiery production according to claim 1, characterized in that: The wire rack unit comprises a large-size annular wire rack (15) and a small-size annular wire rack (14) arranged in a concentric annular nest, and a plurality of wire guide holes (13) are uniformly distributed on the outer walls of the large-size annular wire rack (15) and the small-size annular wire rack (14) in the circumferential direction.

8. The yarn pretreatment monitoring system for preventing yarn breakage in hosiery production according to claim 1, characterized in that: The yarn detection and storage system comprises a first annular truss (16) and a second annular truss (22) arranged in a concentric annular nest; a plurality of L-shaped mounting racks (18) are uniformly distributed on the outer wall of the first annular truss (16) in the circumferential direction, and a mechanical yarn breakage sensor (17) is arranged on each L-shaped mounting rack (18); a yarn feeding hopper (19) is arranged below the mechanical yarn breakage sensor (17), and a second wire guide wheel (20) is connected to the bottom of the yarn feeding hopper (19); a plurality of fixing racks (21) are uniformly distributed on the outer wall of the second annular truss (22) in the circumferential direction, and a yarn storage device (23) is arranged on each fixing rack (21).

9. The yarn pretreatment monitoring system for preventing yarn breakage in hosiery production according to claim 1, characterized in that: The control unit comprises a cabinet (11), and a control panel (10) is arranged on the top surface of the cabinet (11); a plurality of operation buttons (12) are arranged on one side of the control panel (10), and an emergency stop button (9) is arranged on the other side.

10. A method for using the yarn pretreatment monitoring system for preventing yarn breakage during sock production according to claim 1, characterized in that: Step one: yarn supply and wire rack guidance A yarn supply system is installed on the annular support frame (3) on one side of the top of the main body (2) of the machine frame, which system is composed of a plurality of yarn suspension assemblies arranged in a circumferential array, each assembly containing an L-shaped connecting rod (5) and a plurality of yarn spools (4) of different colors or materials associated therewith; after the yarn is drawn out from the spool, it is transmitted downward through the central support shaft on one side of the annular support frame (3), and one end of the central support shaft is fixed on the cross connecting arm to provide stable support for subsequent functional units; A wire rack unit is arranged on the upper part of the central support shaft, which unit is composed of a large-size annular wire rack (15) and a small-size annular wire rack (14) arranged in a concentric annular nest, and a plurality of wire guide holes (13) are uniformly distributed on the outer walls of the two wire racks in the circumferential direction; the yarn is regularly guided through these wire guide holes (13), so that the paths of the multiple yarns are separated and arranged in order, reducing mutual entanglement and friction, and creating good conditions for subsequent detection and storage; Step two: yarn breakage detection and storage A yarn detection and storage system is installed on the middle part of the central support shaft, which system is composed of a first annular truss (16) and a second annular truss (22) arranged in a concentric annular nest; a plurality of L-shaped mounting racks (18) are uniformly distributed on the outer wall of the first annular truss (16) in the circumferential direction, and a mechanical yarn breakage sensor (17) is arranged on each L-shaped mounting rack (18); a yarn feeding hopper (19) is arranged below the mechanical yarn breakage sensor (17), and a second wire guide wheel (20) is connected to the bottom of the yarn feeding hopper (19) to guide the yarn into the second annular truss (22); a plurality of fixing racks (21) are uniformly distributed on the outer wall of the second annular truss (22) in the circumferential direction, and a yarn storage device (23) is arranged on each fixing rack (21) to release the stored yarn when the yarn breaks or the tension is abnormal, ensuring continuous and stable yarn supply; Step three: lubrication and real-time monitoring The yarn detection and storage system is provided below with a yarn lubrication monitoring unit associated with the central support shaft, which includes a transparent mounting disc (6) having a plurality of wire holes uniformly distributed on the top in the circumferential direction and a plurality of oil passing box structures (7) uniformly distributed on the bottom in the circumferential direction; each oil passing box structure (7) is composed of a box body (37), a transparent acrylic cover plate (32) that can be opened and closed, openings and outlets (31) at the top and bottom for the yarn to pass through, an internal hollow cavity and an oil absorbing felt module (29); the oil absorbing felt module (29) is composed of an arched felt (36) and an arc-shaped felt (36) embedded with each other, the outer wall of the arc-shaped felt (36) cooperates with the inner wall of the arched felt (36), the bottom of the arched felt (36) is provided with a clamping groove, the inner wall of the box body (37) is provided with a clamping block (30) at the bottom, and the two cooperate to fix the felt; a plurality of through holes are provided on the outer wall of the box body (37) corresponding to the position of the oil absorbing felt module (29), a felt fastening sleeve (28) is installed in the through hole, a stainless steel oil pipe joint (33) is provided on one side of the top, and the oil pipe joint (33) is communicated with an external oil tank through an oil delivery pipe (34), so that lubricating oil is continuously supplied to the oil absorbing felt; during the passing process, the yarn must pass through the oil absorbing felt module (29) in the hollow cavity of the box body (37), when the yarn passes through the oil absorbing felt module (29) at high speed, the felt fiber contacts the surface of the yarn, and the stored oil is slowly and uniformly released onto the yarn to form a thin and continuous oil film; a connecting support (27) is provided on the top of the box body (37), a clamping groove on the top of the connecting support (27) connects a bent bracket (24), one end of the bent bracket (24) connects a first wire guide wheel (35) for guiding the yarn to enter and exit the lubrication unit; an electronic yarn sensor (26) is connected to one side of the connecting support (27); the running state of the yarn in the lubrication area is monitored in real time, and abnormality such as stagnation or broken wire is found in time; Step four: knitting execution The yarn processed by the lubrication monitoring unit is guided into the knitting execution unit (8) by the first wire guide wheel (35), and the sock is knitted according to the set pattern and needle method in the unit; at this time, the yarn is in a state of balanced tension and fully lubricated surface, the risk of broken wire is significantly reduced, thereby ensuring the stability and efficiency of the knitting process; Step five: centralized control and safety protection The whole system is managed by a control unit, which includes a cabinet (11), and the top surface of the cabinet (11) is provided with a control panel (10), a plurality of operation buttons (12) are arranged on one side of the panel for starting and stopping the equipment, switching the operation mode and adjusting the parameters, and an emergency stop button (9) is arranged on the other side, which can immediately cut off the action of each unit in abnormal conditions to protect the yarn, equipment and personnel safety.

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