480results about "Knitting" patented technology

The oiling tool for the guide bar of the warp knitting machine comprises a connecting part and an oiling part, the connecting part and the oiling part are integrally formed, the connecting part is connected with the output end of a grease gun, an oiling channel communicated with the output end of the grease gun is arranged in the oiling part, and the oiling channel is communicated with the output end of the grease gun in the axial direction of the oiling part. A plurality of oil injection hole groups for injecting oil into the linear bearing penetrate through the oil injection part, the plurality of oil injection hole groups are formed by arranging a plurality of oil injection holes which are linearly arranged, and the oil injection holes are communicated with the oil injection channel. By means of the structure, when oil needs to be injected into the linear bearing, the oil injection part is inserted into the linear bearing, grease is injected into the oil injection channel through the grease gun, the grease is injected into the linear bearing through the oil injection holes along the oil injection channel, and therefore the grease can be prevented from being polluted by two hands, and the grease can be injected into the linear bearing through the oil injection holes under the matching of the arrangement mode of the multiple oil injection holes. Oil can be conveniently filled, the problems of oil leakage and non-uniform oil filling are avoided, and the use amount of butter can be saved.

The invention discloses a laser broken line rapid identification method for a spinning process, relates to the field of spinning detection, and is used for solving the problem of high identification error rate in a multi-material blending and frequent line changing environment. A multi-channel optical behavior characteristic matrix is formed by constructing a broken line recognition mechanism based on material perception and light intensity behavior characteristic collaborative modeling, collecting light intensity response data of yarn channels, constructing a dynamic detection sequence and extracting characteristics such as shielding amplitude gradient and recovery time delay. A yarn material identifier is introduced, a spectral response template is matched, a broken yarn judgment threshold group is generated, whether shielding sudden change and delay recovery characteristics are met or not is judged in combination with a detection sequence, a broken yarn event is accurately recognized, and recognition parameters are corrected in real time according to the shielding edge change rate and fluctuation stability in light intensity changes before and after yarn breakage. The dynamic optimization of the broken line judgment condition is realized, and the recognition precision and the response speed are improved.

A system for in-line treatment of thread for use with a thread consuming device is provided. The system comprises at least one treatment unit being configured to dispense one or more coating substances onto the at least one thread when activated and a thread speed sensor being driven by the motion of the at least one thread. A method is further provided.

The invention discloses a double-needle bar warp knitting machine broken yarn detection device based on machine vision, which comprises cross beams arranged on the front side and the rear side of a guide bar of a double-needle bar warp knitting machine, a sliding table guide rail is arranged on the cross beams, one end of a guide rail body of the sliding table guide rail is connected with a driving motor, an image acquisition module is fixed on a sliding table, and the double-needle bar warp knitting machine broken yarn detection device further comprises a position sensor, the position sensor is triggered when all the yarns are clearly presented in the knitting areas of the front needle bar and the rear needle bar, the image acquisition module is connected with a computer through a wire, the position sensor, the driving motor and the computer are jointly connected with a controller through wires, and the controller is further connected with a control box of the double-needle-bar warp knitting machine through a wire. The problem that in the prior art, a detection component is complex in structure and difficult to install on the two-needle bar warp knitting machine is solved, and real-time detection of broken yarn can be achieved. The invention further discloses a broken yarn detection method of the double-needle bar warp knitting machine based on machine vision.

The invention is suitable for the technical field of broken yarn detection, and provides a broken yarn detection system based on three-dimensional measurement, the broken yarn detection system comprises a laser mechanism, a camera array, an encoder, a single-chip microcomputer and a host, the laser mechanism is used for emitting a linear laser to irradiate a running yarn group, a highlight bright spot is formed on each yarn of the yarn group, and the camera array is used for detecting the broken yarn. The camera array is used for collecting bright spot images of a silk yarn group, the encoder is installed on a main shaft motor of the textile equipment and used for generating continuous pulse signals along with rotation of the main shaft motor, and the single chip microcomputer is in communication connection with the encoder and generates trigger signals of the images collected by the camera. High-brightness bright spot features are formed on each silk thread through linear laser, the three-dimensional space position of the silk thread is reconstructed in combination with image information collected by a camera array, the running state of the multiple rows of silk threads sequentially arranged in the depth direction of the optical axis of the laser can be recognized, and the possibility of missing detection caused by mutual shielding of the silk threads in the front row and the rear row is reduced.

The utility model belongs to the technical field of knitting equipment, and particularly relates to a stable high-density needle type manufacturing knitting needle. Comprising a needle body and a loop transfer reed, and the needle body is provided with a needle body, a needle rod and a needle tail; a needle hook is arranged at one end of the needle rod, and a needle latch capable of being opened and closed is arranged on the needle rod on the rear side of the needle hook; the needle body is provided with a reed mounting groove for mounting a loop transfer reed; the requirement of a single knitting needle for the transverse space of a needle bed is reduced, a thinner needle type can be designed, the method can be used for high-density needle type manufacturing, and the loop transfer stability is greatly improved; according to the invention, the insertion space is not easy to compress, which is beneficial for improving the transfer stability of the compactness coil; the gap between the needle body and the needle groove is further reduced, and high-density needle type manufacturing is facilitated.

The invention relates to the field of flat knitting machines, in particular to a flat knitting machine knitting needle with a needle turning piece, which comprises a needle rod, a needle body and the needle turning piece, the needle body is provided with a mounting groove, and the mounting groove is used for arranging a mounting part of the needle turning piece; the needle rod is connected with the needle body, and a containing groove is formed in the needle rod and used for arranging the tip end of the needle turning piece. An arch part is arranged at the tip end of the needle turning piece, a concave part is arranged at the position, corresponding to the arch part, of the needle rod, an opening of a horn-shaped structure is formed in the side, facing the opposite knitting needle, of the arch part and the concave part, and when the arch part is stressed, the side edge of the arch part can be supported by the needle rod. After the scheme is adopted, the loop transfer success rate under the condition of weaving tight loops can be improved.

The invention discloses a flying catkins collecting device for textile production and preparation, and relates to the technical field of solid waste pollution treatment, the flying catkins collecting device comprises an air bellow and an air inlet pipe, the air inlet pipe is mounted on the air bellow, one end of the air inlet pipe is connected with a connecting pipe and is perpendicular to the connecting pipe, and two ends of the connecting pipe are communicated with the air bellow through fixing pipes; filtering assemblies are arranged at the two ends of the connecting pipe correspondingly and used for filtering flying catkins in air on a circulation route of the connecting pipe and the fixing pipes, and the communicating state of the fixing pipes at the two ends of the connecting pipe and the air inlet pipe is switched through switching assemblies. The device is improved for solving the problem that when flying catkins in air are separated and collected in the prior art, due to the fact that the content of the flying catkins in the air is not constant, the opportunity cannot be accurately mastered when a filter screen is regularly cleaned or replaced. The device has the advantages that the inner pipe is driven to transversely move through the air pressure difference, rapid and automatic switching of the filtering assemblies at the two ends is achieved, it is ensured that airflow is seamlessly transferred to a standby path when the single end is blocked, and shutdown is avoided.

The invention discloses a weaving machine metal part with a low-friction coating and a manufacturing method of the weaving machine metal part, and belongs to the technical field of textile machinery. A body is subjected to heat treatment, magnetic flow grinding, alkaline degreasing, acid activation, ultrasonic cleaning and plasma activation, then a chromium electroplating transition layer or a chemical plating Ni-P transition layer is applied, suspension liquid spraying or powder spraying or dipping is used, sintering curing is cooperated, a PTFE self-lubricating layer is applied, and the self-lubricating composite material is obtained. And finally, the compact Ni / Cr-PTFE-based composite coating is formed on the metal part of the weaving machine. The PTFE self-lubricating layer provides an extremely low friction coefficient, and yarn abrasion and part temperature rise are remarkably reduced; and the Ni / Cr transition layer greatly enhances the bonding strength of the PTFE layer and the steel substrate, and effectively prevents stripping and micro-cracking of the coating in high-speed weaving, so that effective protection of high-performance fibers is synchronously realized, and the service life of parts is remarkably prolonged.

The invention relates to a yarn cleaner (10) for a workstation of a textile machine with a cutting device for removing defects from a yarn, and a cutting device for a yarn cleaner (10) that can be arranged at a workstation of a textile machine, comprising a housing body (14) comprising a housing base body (11), a housing cover (15) that at least partially covers the housing base body (11) and together with the housing base body (11) defines an interior housing space (16), a first housing opening (23), and a cutting device (1) with a cutting medium carrier (5) having a cutting blade (4), a cutting medium drive (6) arranged in the interior housing space (16) for adjusting the cutting medium carrier (5) between a cutting position far from the housing and a rest position close to the housing, and a connecting element (6) connecting the cutting medium drive (6) and the cutting medium carrier (5).The drive element (21) is adjustable and arranged in the first housing opening (23). To provide a yarn cleaner (10) with a cutting device and a cutting device that ensures reliable separation of the yarn when required, the housing body (14) has a bearing section (27) for adjustable reception of the cutting element carrier (5) and a second housing opening (24) adjacent to the bearing section (27) with an opening edge (26) extending perpendicular to the adjustment direction of the cutting element carrier (5) and abutting the cutting element carrier (5).

The invention relates to the technical field of embossment knitting, in particular to a sweater three-dimensional embossment knitting machine which comprises a knitting machine body, a fixing frame is fixedly connected to the front side of the knitting machine body, and a plurality of vertically-arranged fixing rods are fixedly connected to the top end of the fixing frame. Through the arrangement of a heating extrusion assembly, a pressing roller, a heating spiral pipe, a rotating joint, a first one-way valve, a main pipeline, a high-temperature circulator, a fixing frame, a driving device, a conveying belt, a heat conduction assembly, a heating coil pipe, a telescopic pipe and a second one-way valve, the high-temperature circulator is started when the device is used; the heated pressing roller and the heated conveying belt are used for heating and extruding the moving knitted product, so that internal stress generated in the knitting process of the knitted product is eliminated, wrinkles generated by knitting are flattened, the pressing roller and the conveying belt can be heated through the design, it is guaranteed that the knitted product is evenly heated, and the problem that the knitted product deforms in subsequent machining is solved.

The utility model discloses an oil return mechanism of an upper sinker, which relates to the field of knitting equipment and comprises an upper cutting disc component, a saddle ring, a large gear ring and a large disc, the lower end face of the upper cutting disc component is provided with a first annular oil stopping groove, and the upper end face of the saddle ring is provided with a first annular oil collecting groove; the first annular oil collecting groove is provided with at least one first oil leakage hole, and the large gear ring is provided with a second annular oil collecting groove. The second annular oil collecting groove is provided with at least one second oil leakage hole, and the large disc is provided with a third annular oil collecting groove. And a third oil leakage hole is formed in the third annular oil collecting groove. The oil guiding device is composed of a first annular oil stopping groove, a first annular oil collecting groove, a first oil leaking hole, a second annular oil collecting groove, a second oil leaking hole, a third annular oil collecting groove and a third oil leaking hole, lubricating oil of an upper sinker is guided and collected, and the lubricating oil is prevented from flowing randomly. The whole oil return mechanism is small in improvement on an original assembly structure, low in cost, reasonable in design and good in lubricating oil recovery effect.

The invention relates to the field of warp knitting machines, in particular to a three-needle working temperature control system and a control method thereof.The three-needle working temperature control system comprises a temperature control piece, a temperature sensing probe and a temperature control device which are arranged on the back face of a knocking-over bar, and the temperature sensing probe is arranged on the knocking-over bar or the temperature control piece; and the temperature sensing probe is in electric signal connection with the temperature control device. The temperature sensing probe monitors the temperature of the back face of the knocking-over bar in real time and transmits a temperature signal to the temperature control device, the temperature control device regulates and controls the temperature of the temperature control piece, heat conduction is conducted between the temperature control piece and the knocking-over bar, the needle piece is arranged next to the knocking-over bar, the knocking-over bar heats the needle piece, and the temperature of the temperature control piece is controlled by the temperature sensing probe. Therefore, the needle piece can be kept in a proper working range, and the needle piece is particularly suitable for equipment with high heat productivity, such as a high-needle-speed warp knitting machine.

The present invention discloses a knitting needle with a purl cam, which includes a needle hook, a needle shank, a needle body, a needle tongue, and a purl cam connected between the needle shank and the needle body. The purl cam is located on the left side of the needle shank and the needle body. The purl cam has a curved surface structure. The purl cam includes a horizontal base, a wing body, and a hook-shaped wing tip. The wing body extends along the lower left side of the horizontal base and is in an S shape in the depth direction. The hook-shaped wing tip extends along the left side of the wing body and bends inward downward. The longitudinal section of the hook-shaped wing tip is in a circular arc shape with an opening facing right. The present invention is stable and reliable, has a long service life, can automatically purl, has a good effect of transferring loops, can automatically knit various patterns, and improves the production efficiency and the three-dimensional knitting effect of products.

The utility model discloses a four-group needle for a full-function flat knitting machine, which comprises a selection needle, a spring needle, a long needle and a knitting needle, the selection needle, the spring needle, the long needle and the knitting needle are all fixed in a needle groove of an external needle plate and are in sliding connection with the needle groove, the long needle is provided with a round piece head, the lower end of the knitting needle is provided with a round piece groove, the piece groove is clamped in the piece groove, and the piece head is connected with the needle groove. The knitting needle is further provided with a reinforcing rod, the top end of the reinforcing rod is located on one side of the piece groove, and the reinforcing rod is used for reducing the opening of the piece groove so that the piece head can not move out of the piece groove from the lower portion. After the long needle and the knitting needle are installed in the needle groove, the long needle cannot move out of the sheet groove, so that the long needle and the knitting needle cannot be separated, and the failure rate is reduced.

Provided are a computer program, a flat knitting machine, and an information processing method for outputting information about the position and / or defect of a knitting member determined to be defective.　The computer program causes a computer to execute processing for acquiring an image of a knitting member of a flat knitting machine having a plurality of knitting members arranged in a row, determining the quality of the knitting member on the basis of the acquired image of the knitting member, and outputting information about the position and / or defect of the knitting member determined to be defective.

The present invention provides a pneumatic scissors for a double-needle cylinder hosiery machine, and relates to the technical field of hosiery equipment. The pneumatic scissors for the double-needle cylinder hosiery machine include a main body seat, a scissor blade track plate is installed at the left end of the main body seat, a plurality of scissor blade guards are installed in the left end groove of the scissor blade track plate, an elastic clip is installed at the left end of the scissor blade guard, a scissor blade is installed at the left end of the elastic clip, a scissor blade is installed at the left end of the scissor blade, a scissor blade pressure plate is installed at the left end of the scissor blade, a lever plate fixed shaft is installed at the front end of the main body seat, and the rear end of the lever plate fixed shaft penetrates the main body seat and is threadedly connected with a fixed shaft thread sleeve. The present invention provides multiple thread cutting positions and is driven by a two-way cylinder. It has a quick response and strong force, and can meet the needs of cutting threads of various thicknesses. After the thread is cut, the thread head can be pressed to prevent it from falling off, and the thread pressing block can be automatically pressed and released, and the thread slag can be automatically cleaned with air blowing, which greatly improves the performance and reliability.

The utility model provides a spring needle magnetism isolating connecting device and a glove knitting machine, and belongs to the technical field of knitting machinery. The spring needle magnetism isolating connecting device comprises a spring needle body, a magnetism isolating piece and an attraction piece. One end of the magnetic isolation piece is fixedly connected to the spring needle body, the other end of the magnetic isolation piece is fixedly connected to the attraction piece, the attraction piece can be magnetically attracted to the magnetic bar of the needle selector, and therefore attraction of the spring needle body is completed, the magnetic isolation piece isolates magnetic force emitted by the magnetic bar of the needle selector from the spring needle, and the attraction piece is demagnetized when the spring needle body needs to be loosened. The residual magnetic force of the attraction piece is smaller than the first preset value, the attraction piece cannot affect the spring needle body, the spring needle body can be quickly loosened, the structure is simple, and operation is easy and convenient.

The present invention belongs to the technical field of warp knitting machines, and in particular, a water cooling device for a warp knitting machine. Aiming at the problem in the prior art that hot water is directly injected into the condensation barrel, resulting in large temperature changes in different water areas inside and it is difficult to control the temperature of the water outlet position within a predetermined temperature difference, the following scheme is now proposed. It includes a main water storage cylinder horizontally placed in a tubular structure. Support seats are respectively fixed on the circumferential outer wall of the main water storage cylinder near both ends. A bow-shaped frame is fixed on the side of one of the support seats near the end of the main water storage cylinder. A compression mechanism is fixed at the top of the bow-shaped frame. End cover one and end cover two that are parallel to each other are respectively fixed at both ends of the main water storage cylinder. The present invention can, before cooling the warm water to be cooled, first reduce the speed and temperature in the pre-cooling cavity, and then overflow into the main cooling chamber from the rectangular water outlet holes at a constant speed and impact force for further cooling. At this time, there will be no large disturbance to the cooling water in the main cooling chamber, thereby improving the accuracy of temperature control.

The invention relates to the technical field of textile, and particularly discloses a knitting method for knitted fabric, which comprises the following steps: providing a knitted fabric sample to a sample scanning device; scanning the knitted fabric sample by using scanning equipment and acquiring color parameter data; transmitting the color parameter data to a central control system for toning and comparison to obtain pigment ratio data; establishing a three-dimensional model of the knitted fabric by using the color parameter data uploaded by the scanning equipment; transmitting the fabric interweaving mode and the fabric color parameter data to a knitting module, and knitting the knitted fabric by the knitting module; the woven cloth is subjected to dyeing treatment; by providing the knitted fabric sample to the sample scanning device and scanning to obtain the color parameter data, accurate digital capture and expression of the color of the knitted fabric sample are realized, the color consistency and accuracy in the subsequent knitting and dyeing process are ensured, and visual fabric structure guidance is provided for the knitting module through the three-dimensional model.

The utility model relates to the technical field of hosiery needle cylinder, disclose a kind of hosiery needle cylinder automatic cleaning device, including support seat and cylinder, needle slot is opened in the cylinder inside, the support seat bottom is fixedly connected with support frame, the support frame one side is fixedly connected with slide rail, the slide rail outer wall is slidably connected with sliding block, the support seat top is fixedly connected with electric push rod, the electric push rod output end is connected with the sliding block, the sliding block one side is provided with support rod, the support rod one end is provided with cleaning assembly, the sliding block one side is provided with fixed component, the cleaning assembly includes cleaning ring, in the utility model, sliding block is driven to do linear reciprocating motion along slide rail by electric push rod, drive cleaning ring and inside cleaning brush synchronous sliding in needle slot, these structures work cooperatively, realize the effect that cleaning brush and needle slot inner wall sustained rubbing contact, deep cleaning rubbish.

A system (10) for in-line treatment of one or more threads (20a-b) for use with a thread consuming device (15) is provided. The system comprises a treatment unit (100) having a plurality of nozzles (152a-f) being distributed in at least a first and a second dispensing zone (154a-b), the dispensing zones (154a-b) being separated in a direction being perpendicular to the longitudinal direction of the at least one thread (20a-b), said thread (20a-b) being in motion in use, each nozzle (152a-f) being configured to dispense one or more coating substances at least onto the at least one thread (20a-b) when activated, and a control unit (190) being configured to control activation of each dispensing zone (154a-b) of nozzles (152a-f) independently. A method is further provided.

The utility model relates to the technical field of dust removal, and discloses a needle cylinder spring dust remover which comprises a cleaning shell, the upper ends of the two sides of the cleaning shell are fixedly connected with a square block and a trapezoidal block respectively, a first penetrating hole is formed in the inner wall of the square block, and a second penetrating hole is formed in the inner wall of the trapezoidal block. The diameter of the first penetrating hole is larger than that of the second penetrating hole, the tail end of a needle protection spring penetrates into the first penetrating hole and the second penetrating hole in the square block and the trapezoidal block, the head and the tail of the needle protection spring can be screwed down in a rotating mode, and then the needle protection spring is wound on the outer wall of the rotating platform of the double-faced machine. The needle protection spring is tightened on the outer wall of the rotating platform under the action of tension retraction, so that the cleaning shell can be driven to rotate under the rotation of the rotating platform, and the cleaning shell is in contact with the platform, so that dust on the platform can be cleaned, the cleaning workload of workers is reduced, and the product quality can be enhanced by timely cleaning the dust.

The warp knitting machine with the static electricity eliminating function comprises a machine frame body, the machine frame body comprises supporting frames arranged in a bilateral symmetry mode and a cross beam arranged between the tops of the two supporting frames, and the supporting frames and the cross beam are each provided with a plurality of sets of warp beams; the looping mechanism is arranged in the rack main body; the guide bar mechanism is located above the looping mechanism, the guide bar mechanism comprises a plurality of guide bars, a guide bar cradle and a second driving part used for driving the guide bar cradle, and the top of each guide bar is provided with a static electricity eliminator used for eliminating yarn static electricity; and the static electricity eliminator is used for eliminating static electricity of yarns on the guide bar. By integrating the advanced static elimination technology, the yarn can be fully dispersed before entering a knitting area, the phenomena of entanglement and end breakage are avoided, and therefore the production efficiency and the product quality are improved.

The utility model belongs to the technical field of auxiliary equipment of knitting machines, and particularly relates to an oil injection device which comprises a pot body. A handle is arranged on one side of the kettle body, and the side wall of the handle is fixedly connected with the side wall of the kettle body; the outer circular wall of the kettle body is fixedly connected with a sleeve, and the sleeve is communicated with the kettle body; the inner circular wall of the sleeve is fixedly connected with a baffle ring; the inner circular wall of the baffle ring is in sliding connection with an inner pipe; the outer circular wall of the inner pipe is fixedly connected with an anti-falling ring; the utility model provides an oil injection device to solve the problems that in the prior art, an existing knitting machine needs to be regularly refueled and maintained through the oil injection device so as to ensure normal use of the knitting machine, the length of a spray head of the existing oil injection device is generally fixed, and operation is inconvenient. And the problem that some parts of the knitting machine need to be detached for refueling due to insufficient length of the nozzle during refueling, which brings a certain trouble to a user is solved.

The lighting device for the warp knitting machine comprises a mounting sleeve, an inserting shaft, a locking sleeve and a lighting piece, the mounting sleeve is used for being connected to one side of the upper portion of the warp knitting machine and extends towards the outer side of the warp knitting machine, and a limiting groove axially extending to the outer end of the mounting sleeve is formed in the circumferential wall of the mounting sleeve in a penetrating mode; the inserting shaft is slidably connected into the mounting sleeve, and a limiting block in sliding fit with the limiting groove is arranged on the peripheral wall of the inserting shaft; the locking sleeve is arranged on the periphery of the mounting sleeve in a threaded and sleeving mode and located on the side, close to the opening end of the limiting groove, of the limiting block, and the locking sleeve can axially push the limiting block to abut against the groove bottom wall of the limiting groove so as to lock the axial position of the inserting shaft; the lighting piece is connected to the outer end of the inserting shaft, is arranged downwards and is used for lighting. According to the lighting device for the warp knitting machine, the lighting piece can be rapidly detached, and the detaching efficiency is improved.

The utility model relates to a flat knitting machine cleaning device which is installed on a flat knitting machine and comprises an installation block and a vacuum assembly, the installation block is arranged on the back portion of a machine head of the flat knitting machine, a cleaning brush is arranged at the bottom of the installation block, the vacuum assembly comprises a plurality of vacuum generators, the vacuum generators are connected with an air inlet pipe and a collecting pipe, and the collecting pipe is connected with the air inlet pipe. The end, away from the vacuum generator, of the collecting pipe is mounted on the mounting block, and a collecting container is detachably connected to the vacuum generator. The automatic cleaning device can automatically clean the flat knitting machine, and has the advantages of simple structure, low cost, good cleaning effect and the like.

The small circular knitting machine with the heat dissipation device comprises a supporting frame, a fixing base, a knitting mechanism, a supporting column and the heat dissipation device, the fixing base is fixedly installed on the supporting frame, the knitting mechanism is installed above the fixing base, the supporting column is fixedly installed on the fixing base, and the heat dissipation device is installed above the supporting column. The heat dissipation device comprises a top plate, a protective grating, a driving motor, fan blades and an illuminating lamp, the protective grating is detachably installed on the top plate, the driving motor is fixedly installed on the protective grating, and the fan blades are movably installed at the driving end of the driving motor. The driving motor drives the fan blades to rotate to accelerate air flow at the bottom of the fan blades, air circulation is formed, the cooling requirement of the bottom knitting mechanism is met, and the fan blades are protected by the protective grating; and meanwhile, the illumination lamp of an annular structure is arranged on the periphery of the protection grid, and illumination can be conducted according to working requirements.

The utility model discloses a lever-type yarn-breaking automatic stop mechanism, which relates to the technical field of yarn-breaking automatic stop mechanisms and comprises a driving plate, a supporting sleeve, a lever-type yarn-breaking automatic stop mechanism, a lever-type yarn-breaking automatic stop mechanism and a lever-type yarn-breaking automatic stop mechanism, the supporting ring is fixedly connected with the supporting sleeve; the infrared detector is arranged on the fixed plate and is fixedly connected with the fixed plate; the driving block is arranged at the bottom of the driving plate and is in fit sliding connection with the bottom of the driving plate; by arranging an elastic mechanism and a driving block, the extrusion of a driving plate on the driving block is buffered, and the situation that the yarn is broken or damaged due to the fact that the extrusion force of a supporting ring on the yarn is large is avoided; and by arranging the lifting mechanism, lifting of the driving block is achieved, different yarns can be extruded conveniently, and the supporting ring can respond to the infrared detector more quickly when the yarns are broken.