112results about "Auxillary devices" patented technology

The present invention relates to a thread tension adjusting device for an embroidery machine. The thread tension adjusting device for an embroidery machine according to an embodiment of the present invention is characterized in that, as a thread tension adjusting device for an embroidery machine, it is provided on an embroidery machine equipped with a needle bar, a thread tensioner, a bobbin, and a frame, and adjusts the tension of upper thread supplied to a needle on the needle bar from a bobbin through the thread tensioner; and includes a thread tension adjusting portion including a thread tensioner lever arranged on a moving path of the upper thread supplied to the needle after being drawn from the bobbin, which controls the amount of pulling of the upper thread when rotating in contact with the upper thread, and a first actuator that provides a rotational driving force to the thread tensioner lever; at least one thread guide adjusting portion including a pair of thread guides arranged on at least one of the front end and the rear end of the thread tension adjusting portion along the moving path of the upper thread, which controls the friction of the upper thread when passing through and being in close contact with each other in contact with the upper thread, and a second actuator that provides a driving force to the pair of thread guides; and a control portion that judges the driving state of at least one of the needle bar, the thread tensioner, the bobbin, and the frame according to each of a plurality of stitch information included in embroidery data, and controls at least one of the amount of pulling of the thread tensioner lever and the friction of the upper thread between the pair of thread guides provided in the at least one thread guide adjusting portion according to the result of the judgment.

The invention relates to and discloses a sequin mixed embroidery device of an embroidery machine. Relates to the technical field of computerized embroidery machines. The computer embroidery machine specifically comprises a plurality of loose bead embroidery parts and a bead piece mixed embroidery part, each of the loose bead embroidery parts and the bead piece mixed embroidery part comprises a material penetrating mechanism, a discharging control mechanism and a feeding mechanism, and the material penetrating mechanisms, the discharging control mechanisms and the feeding mechanisms are all arranged on an embroidery machine head of the computer embroidery machine. The feeding mechanism is located below the penetrating mechanism, and the discharging control mechanism is arranged between the penetrating mechanism and the feeding mechanism. The sequin mixed embroidery component can be used for embroidery of loose beads in one color or specification, and can also be used for lamination embroidery of multiple sequins, so that the sequin mixed embroidery device can realize mixed embroidery of the loose beads and the sequins in multiple specifications or colors, embroidery patterns are greatly enriched, meanwhile, the production cost is reduced, and the production efficiency is improved. The production efficiency is improved, and the economic benefit is greatly improved.

The utility model relates to the technical field of embroidery machines, and discloses an embroidery machine multi-color thread rapid switching device which comprises a working platform, the left end and the right end of the top of the working platform are fixedly connected with mounting blocks, the tops of the two mounting blocks are fixedly connected with supporting columns, and a second motor is mounted in the middle of the right side of the supporting column on the right side; the output end of the second motor is fixedly connected with a rotating short column, the top of the rotating short column is fixedly connected with a connecting rope, the top of the connecting rope is fixedly connected with a sliding short rod, the left side of the sliding short rod is fixedly connected with a blade, and the outer side of the sliding short rod is slidably connected with the middle of the supporting column. According to the multi-color thread cutting device, the second motor is started, the rotating short column drives the connecting rope to wind, the sliding short rod slides downwards, the blade moves along with the rotating short column, the multi-color threads are cut off, the embroidery mechanism works normally, the second motor runs to enable the blade to cut the multi-color threads, the spring enables the multi-color threads to be reset quickly, and then the working efficiency is improved.

A system for manufacturing synthetic turf is disclosed that includes an indexing system configured to affix an indexing device to a backing material, a tufting machine configured to receive the backing material and yarn and to fabricate the synthetic turf by tufting the yarn in the backing material and a controller configured to read the indexing device and to post process the synthetic turf as a function of the indexing device.

The invention relates to the technical field of driving machine heads, and discloses a double-cam single-driving machine head which comprises a main shaft, the main shaft is rotationally connected to the inner side of a shell, a first rotating ring is fixedly connected to the outer wall of the main shaft, a sleeve shaft is fixedly connected to the rear end of the main shaft, and a second rotating ring is rotationally connected to the outer wall of the sleeve shaft; a pause ring is fixedly connected to the front end of the sleeve shaft, a ring groove is formed in the front side of the pause ring, a first rotating rod is rotationally connected to the inner side of the shell, a first connecting rod is fixedly connected to the outer wall of the first rotating rod, and a cylinder is rotationally connected to the other end of the first connecting rod. The main shaft rotates to drive the first rotating ring and the sleeve shaft to rotate synchronously, the second rotating ring drives the pause ring to rotate accordingly, the cylinder slides in the ring groove, and when the ring groove rotates to the top, the cylinder is pushed to drive the first connecting rod to swing upwards around the first rotating rod, so that the pause ring is decelerated, stable deceleration of equipment when the equipment runs to a preset position is achieved, and high-speed collision of components is avoided; and mechanical loss and operation noise are reduced.

The utility model relates to a bidirectionally-driven multi-head towel embroidery machine, which comprises more than two towel thread clamping devices and more than two needle ring shuttle frames, and the more than two towel thread clamping devices are jointly connected with two first driving devices through a first pull rod; the two first driving devices jointly drive the two or more towel thread clamping devices to move in the axial direction of the first pull rod, the two or more towel thread clamping devices are located at the two ends of the moving direction of the towel thread clamping devices respectively, and the two or more needle ring shuttle frames are jointly connected with two second driving devices through second pull rods. The two second driving devices jointly drive the more than two needle ring shuttle frames to move in the axial direction of the second pull rod and are located at the two ends of the moving direction of the needle ring shuttle frames respectively. According to the multi-head towel embroidery machine, the two first driving devices jointly drive the more than two towel thread clamping devices, and the two second driving devices jointly drive the more than two needle ring shuttle frames, so that the running stability of the multi-head towel embroidery machine is improved.

The ball selecting and arranging mechanism comprises a material cup, a ball arranging track and a ball guiding wire, a ball stirring mechanism capable of circumferentially stirring the bottoming drill balls is arranged in the material cup, the ball arranging track and the material cup are relatively fixed, a ball arranging channel is arranged in the ball arranging track, one end of the ball arranging channel is opened to form a ball inlet, and the other end of the ball arranging channel is opened to form a ball outlet. The bead inlet is communicated with the material cup, only the bottoming drill beads with the upward top faces are allowed to pass through the bead inlet and enter the bead discharging channel, a bead falling opening is formed in the end, away from the bead inlet, of the bead discharging channel, and the bead guide wire is located below the bead discharging track and aligned to the bead falling opening. Through cooperation of the material cup, the bead discharging track, the bead inlet and other structures, the bottoming drill beads can be continuously discharged in the state that the top faces face upwards, the structure is simple and ingenious, and the bead selecting and discharging efficiency is high.

In a sewing machine that can be operated by voice commands, the goal is to achieve both safety and ease of operation through voice control. [Solution] The sewing machine 1, which forms a stitch in fabric by moving a needle 5 up and down, has a microphone 16 that collects sound emitted by the user, and a control unit 20 configured to process the sound collected by the microphone 16 to recognize voice commands for operating the sewing machine 1 emitted by the user and to execute the recognized voice commands. The control unit 20 has a wake word mode and a two-factor authentication mode that execute voice commands on the condition that a predetermined sound is emitted by the user, as well as a direct command mode that executes voice commands without requiring such conditions, and is configured to switch the voice command mode at least according to the operating status of the sewing machine 1.

The utility model provides a multi-sequin slicing device which comprises a static knife assembly, the static knife assembly comprises a first static knife assembly, a second static knife assembly and a third static knife assembly which are sequentially arranged from bottom to top in the vertical direction, and the first static knife assembly comprises a first static knife and a first sequin feeding component which are arranged in a stacked mode; the first static knife assembly comprises a first sheet feeding part and a first sheet feeding part, the second static knife assembly comprises a second static knife and a second sheet feeding part which are arranged in a stacked mode, the third static knife assembly comprises a third static knife and a third sheet feeding part which are arranged in a stacked mode, and the first sheet feeding part, the second sheet feeding part and the third sheet feeding part are all used for containing to-be-fed gold sheets. The first static knife is provided with a first installation position and a second installation position, the second static knife assembly is installed on the first installation position, and the third static knife assembly is installed on the second installation position. The defect that in the prior art, it is difficult to meet the requirements for static knife assembly structure height reduction and static knife assembly strength improvement at the same time can be overcome.

The utility model discloses a rotating shuttle mechanism of an embroidery machine, which comprises a mounting rack, a fixed seat and a rotating seat, one side of the mounting rack is provided with a rotating shuttle, one side of the mounting rack is connected with the fixed seat through bolts at the bottom of the rotating shuttle, the top of the fixed seat is provided with a recovery tank, the bottom of the fixed seat is provided with an exhaust fan, and the exhaust fan is connected with the rotating shuttle through bolts. And the air inlet end of the exhaust fan is positioned in the recovery tank. The rotating shuttle mechanism of the embroidery machine is simple and compact in structure, low in cost, easy to operate, more convenient and reliable to use and suitable for being widely popularized and used.

The application discloses a multi-color rope embroidery clamping mechanism and an embroidery machine, and relates to rope embroidery technology, wherein the clamping mechanism comprises a clamping rope loosening motor, a clamping rope color changing motor and at least two clamping rope assemblies corresponding to at least two ring head assembly components; the corresponding clamping rope assembly clamps the rope in the non-working state of the ring head assembly component; the clamping rope loosening motor is used for driving one of the clamping rope assemblies to loosen the rope; the clamping rope color changing motor drives the clamping rope loosening motor to move to realize color changing, so that the clamping rope loosening motor drives another clamping rope assembly to loosen the rope. The application saves space and realizes multi-color clamping rope in limited space.

The utility model discloses a kind of towel embroidery thread break detection mechanism, including support, two wire guide plates are equipped on support, wire guide plate is equipped with thread clipper between, each thread clipper top is equipped with thread guide and thread loosener, the thread guide is composed of two wheel bodies articulated in the front of support, shaft body is equipped on wheel body rotation center line, shaft body rear side end extends to the back of support and is vertically connected with grating piece, the back of support is equipped with the light coupling component corresponding with grating piece one by one.The utility model provides a kind of towel embroidery thread break detection mechanism, it is favorable to solve the thread break detection structure of some present towel embroidery, because embroidery thread and thread guide wheel main contact surface only located inside, when embroidery thread appears tension fluctuation in the process of threading, then it is easy to cause embroidery thread and thread guide wheel to appear unstable contact, cannot stably and effectively drive grating piece rotation, further lead to the problem of thread break signal false detection.

The invention relates to a mixed embroidery method for sequins. Relates to the technical field of computerized embroidery machines. The method specifically comprises the following steps that a sequin embroidering device is provided, the sequin embroidering device comprises a plurality of loose bead embroidering mechanisms and a sequin mixed embroidering mechanism, and the sequin mixed embroidering mechanism can be switched between a loose bead embroidering mode and a laminated embroidering mode; switching the sequin mixed embroidery mechanism into a loose bead embroidery mode, and embroidering a plurality of groups of loose beads by the sequin embroidery device; the sequin mixed embroidery mechanism is switched into a lamination embroidery mode, and the sequin embroidery device performs sequin mixed embroidery. According to the invention, the sequin mixed embroidery mechanism is switched between a loose bead embroidery mode and a lamination embroidery mode, so that combined embroidery of multi-specification or multi-color loose beads can be realized, and mixed embroidery of the multi-specification or multi-color loose beads and sequins can also be realized, so that embroidery patterns are greatly enriched, meanwhile, the production cost is reduced, and the production efficiency is improved. The production efficiency is improved, and the economic benefit is greatly improved.

According to the computerized embroidery machine disclosed by the invention, vibration caused by rotation of the eccentric cam is inhibited through the first balance structure, so that the operation stability of the computerized embroidery machine is improved, and the precision of the computerized embroidery machine is ensured. The auxiliary shaft is located outside the machine shell and located above or below the machine shell, so that the auxiliary shaft and the first balance structure are not affected by the distance between the two adjacent machine heads, installation is convenient, and therefore the assembling efficiency of the computerized embroidery machine is improved. Vibration caused by movement of the presser foot driver and the needle bar driver is restrained through the balance block, so that the operation stability of the computerized embroidery machine is improved, and the precision of the computerized embroidery machine is guaranteed. The diameter of the auxiliary shaft is larger than or equal to that of the upper shaft, the bending strength and the torsional strength of the auxiliary shaft can be improved by increasing the diameter of the auxiliary shaft, and therefore the auxiliary shaft can bear larger loads when bearing torque and vibration generated by the eccentric cam, and deformation caused by the loads is reduced.

A sewing system (100) includes a plurality of imaging devices (37) that acquire images of an object to be sewn (S), one or a plurality of sewing machines (1) that perform sewing based on a recognition result obtained through image recognition processing of the object to be sewn (S), and a data processing unit (50) that acquires template data (70) of the object to be sewn (S) created based on an image captured by a first imaging device (37) among the plurality of imaging devices (37) and transmits the template data to another second imaging device (37). The sewing machine (1) includes inherent data (60B) including imaging conditions of the imaging devices (37). The sewing machine (1) including the second imaging device (37) executes image recognition processing by using template data (72) corrected based on the inherent data (60B) of the second imaging device (37), or corrects a recognition result obtained using the template data (70), based on the inherent data (60B) of the second imaging device (37).

The utility model relates to the technical field of laser cutting, in particular to a laser cutting device based on an embroidery machine girder, which comprises an embroidery machine girder, and a laser cutting component for cutting cloth is arranged outside the embroidery machine girder. The laser cutting assembly comprises a laser cutting machine body, a transition piece, a pressing ring, a light protection pipe A, a reflecting mirror frame A, a light protection pipe B, an L-shaped positioning piece A, a reflecting mirror frame B, an L-shaped positioning piece B, a fixed reflection assembly, a laser cutting head, a positioning clamp A, a light protection pipe C and a positioning clamp B. The laser cutting machine body is arranged outside the embroidery machine girder. According to the laser cutting device for the embroidery machine, through the arrangement of the transition piece, the pressing ring, the reflecting mirror frame A, the L-shaped positioning piece A, the reflecting mirror frame B, the L-shaped positioning piece B, the fixed reflecting assembly, the positioning clamp A and the positioning clamp B, the problems that when an existing laser cutting device for the embroidery machine is used, the light path transmission efficiency is low, the cutting precision is difficult to guarantee, installation is complex, and operation is inconvenient are solved.

The application provides a cooling control method of a laser cutting module of an embroidery machine, which improves control linkage and avoids monitoring hysteresis. The method comprises the following steps: reading an output signal of a cooling device monitoring port in response to a start demand signal of the laser cutting module; if the output signal of the cooling device monitoring port is a non-0V signal, sending a start response signal to the laser cutting module to start the laser cutting module; if the output signal of the cooling device monitoring port is a 0V signal, sending an alarm signal to reject the start demand signal of the laser cutting module and not to start the laser cutting module. The cooling control method of the laser cutting module of the embroidery machine links the start demand of the laser cutting module with the output signal of the cooling device monitoring port, and the laser cutting module is not started when the cooling device is in an abnormal state, so that the stability of the laser cutting effect is ensured.

The utility model discloses a special-shaped embroidery bead blanking device and an embroidery machine, the blanking device comprises a material cup and a blanking pipe, one end of the blanking pipe is communicated with an inner cavity of the material cup, and the other end of the blanking pipe is connected with a bead guide plate at the lower end of the embroidery machine; a turntable is arranged at the bottom of the material cup, a plurality of guide grooves are circumferentially formed in the inner side of the lower end of the material cup, and the shape of the cross section of each guide groove is matched with the shape of the longitudinal section when the special-shaped embroidery beads are discharged in the correct direction; the direction of the special-shaped embroidery beads in the material cup is adjusted through rotation of the rotating disc, and the special-shaped embroidery beads in the correct direction are fed into the discharging pipe through the material guide groove and then fall onto the bead guide plate through the discharging pipe. By means of the structure, rapid and correct discharging can be achieved, the production cost of an enterprise is reduced, and the working efficiency is improved.

The oscillating bar structure applied to the multi-color taping color changing mechanism of the embroidery machine is installed on one side of an opening of a taping rope wheel assembly and comprises a fixing base fixed to the taping rope wheel assembly, a sliding assembly installed on the fixing base and an oscillating bar assembly with one end rotationally installed on the fixing base. The sliding assembly comprises a sliding base installed on the fixed base, a sliding block arranged on the sliding base in a sliding fit mode and a clamping block connected to the sliding block and sliding along with the sliding block, and a bayonet is formed in the front side of the clamping block so that the connecting block can be clamped into the buckle in the radial direction of the clamping block. When the coiling rope wheel assembly is transversely installed on the needle rod mechanism, matching of the connecting block and the buckle is simpler and more convenient, the guiding slant direction is arranged at the opening of the buckle so that the connecting block can smoothly slide into the buckle, the situation that matching cannot be completed due to inaccurate alignment is avoided, the error-tolerant rate of equipment is increased, and the working efficiency of the equipment is improved. And the precision requirement of parts is not too high, so that the production cost is reduced.

A frame (1) for clamping fabric (4) for embroidery machines (5), comprising at least one cutout plate (2) provided with at least one cutout (21, 22) having a shape that corresponds to a first label (20) to be applied by sewing to the fabric (4), the internal rim (22a) of the cutout (22) being adapted to surround the first label (20) during sewing. The clamping frame (1) further comprises a pressing device (6) with a pressure plate (60) that is movable, with respect to the clamping frame (1), between a retracted position and a position in which the pressure plate is accommodated in the cutout (22) of the cutout plate (2) to retain the label in a direction perpendicular to the resting surface (P) for the fabric (4). (FIG. 5)

The utility model discloses a broken line detection device based on an embroidery machine, which comprises a base, and a plurality of embroidery coil seats with a fixing function are rotatably mounted on one side of the top of the base; two fixing plates are symmetrically and fixedly mounted at the top of the base, a plurality of threading holes penetrating to the other sides are formed in one sides of the outer surfaces of the two fixing plates, and photoelectric sensors are fixedly embedded in the inner walls of one sides of the plurality of threading holes; and a plurality of groups of contact type detection mechanisms are arranged between the two fixing plates. According to the utility model, through the cooperative work of the photoelectric sensor and the contact type detection mechanism (the encoder and the detection roller), the dual verification of optical detection and mechanical detection is realized: the photoelectric sensor quickly judges the existence of embroidery threads; the encoder accurately detects the actual motion state of the embroidery thread. The problem of misjudgment (such as transparent line / reflective line detection failure) and the problem of response delay of mechanical detection in traditional single photoelectric detection are effectively solved.

The utility model provides an automatic blanking device which comprises a charging barrel for a bead guide rod to be placed in and matched with bead threading of the bead guide rod, a feeding container is arranged at the upper end of the charging barrel, a discharging pipe placed in the charging barrel is arranged at the bottom of the feeding container, a discharging opening is formed in the lower end of the discharging pipe, the discharging opening is provided with a stopping bottom cover hinged to the discharging opening, and the stopping bottom cover is hinged to the discharging opening. A driving and pressing assembly for driving the stopping bottom cover to cover the discharging opening is arranged on the discharging pipe and comprises a driving and pressing arm rotationally arranged on the discharging pipe and used for driving and pressing the stopping bottom cover to be closed, a driving rod rotationally arranged on the discharging pipe and capable of driving the driving and pressing arm to swing, and a transmission rod arranged between the driving and pressing arm and the driving rod; the charging barrel or the propeller is provided with a rotating piece which rotates along with rotation of the charging barrel or the propeller and can periodically drive and press the driving rod and break away from driving and pressing the driving rod so as to drive the stopping bottom cover to be periodically opened and closed. According to the utility model, the stop bottom cover is driven to be opened intermittently to supply materials to the charging barrel, so that the consumption of beads in the charging barrel is supplemented adaptively.

The utility model discloses a novel feeding mechanism of bead pipe processing device belongs to the technical field of computerized embroidery machine, when using bead pipe processing device carries out bead pipe processing, utilizes feeding mechanism to be able to assist worker feeding, has simple operation, convenient, simple structure, low labor intensity, the characteristics of high working efficiency, including the material pipe placing mechanism for placing material pipe and the arrangement mechanism for arranging material pipe, the material pipe placing mechanism include a pair of symmetry setting placing frame in the front and rear both sides of main frame body, the left and right ends of placing frame top are equipped with placing plate respectively, the middle part of placing frame is equipped with support plate, the second drive mechanism for lifting or lowering support plate between support plate and placing frame bottom is equipped with, the arrangement mechanism includes two groups of material receiving plate that are arranged in turn along the extension direction of main frame body, two groups of material receiving plate all be located between two placing plates of front and rear both sides, and each group of material receiving plate is a pair.

An image processing device (100) is provided with: an object information acquisition unit (102) that acquires an object image (SM) indicating an image related to a sewing object (S) after sewing processing, and correction point beforehand information before sewing processing of a correction point (CP) for correcting a target stitch line (RL) specified in a stitch region (SA), which is a region in which a stitch (CH) is formed; a feature point calculation unit (104) that calculates a feature point after the sewing process on the basis of the object image (SM) after the sewing process and position data before the sewing process when the correction point beforehand information includes position data of the feature point; and an interpolation point calculation unit (107) that, if the correction point beforehand information includes position data and sewing direction data of an interpolation point (IP), calculates the interpolation point (IP) after the sewing process on the basis of the object image after the sewing process, the position data before the sewing process, and the sewing direction data.

The utility model provides a kind of positioning mechanism of guide bead bar, including the chuck assembly of at least two positioning guide bead bar, and the driving structure of the corresponding number chuck assembly time-sharing opening and closing, the chuck assembly include a pair of mutually matched chuck, at least one the chuck assembly is located the corresponding place of two chucks respectively equipped with a first clamping groove and a second clamping groove, the first clamping groove is matched with the outer wall of guide bead bar, the positioning center when the first clamping groove clamps guide bead bar is the axle of guide bead bar;The second clamping groove is matched with the outer wall of bead on guide bead bar, the positioning center when the second clamping groove clamps bead on guide bead bar is the axle of bead, and the axle of bead and the axle of guide bead bar coincide at this time.The utility model is equipped with two clamping grooves respectively with guide bead bar and bead cooperation, prevent chuck clamps bead when position deviation, prevent bead to drive guide bead bar deviation and affect bead to fall.

The utility model discloses a vertical drilling structure and an automatic hot drilling machine head. The problem that in the prior art, the drilling efficiency is low due to the fact that an angle switching drill suction and vertical drilling combined mode is adopted is solved. In order to solve the technical problem, the drilling structure in the vertical direction comprises a suction nozzle and a suction nozzle up-down driver, and the mouth part of the suction nozzle faces downwards so as to adsorb a drill conveyed below the suction nozzle and release the adsorbed drill; the suction nozzle up-and-down driver drives the suction nozzle to move up and down, the suction nozzle is provided with a drill suction position and a drill release position in the up-and-down movement direction, and the suction nozzle sucks a drill conveyed to the position below the suction nozzle at the drill suction position and releases the drill at the drill release position. Compared with vertical drilling of a traditional angle switching suction drill, angle switching is not needed, only up-and-down movement is needed, actions are relatively few, continuous drilling can be achieved, and therefore the drilling efficiency can be improved by adopting the vertical drilling structure.

A gas delivery body for delivering gas to a portion of a tufting machine to remove debris therefrom is disclosed. The gas delivery body may be elongated along a longitudinal axis. The gas delivery body may include a structure defining one or more inlets configured to receive gas from a source of pressurized gas, an outlet, and a channel providing fluid communication between the inlet and the outlet. The channel may extend along a flow path between the one or more inlets and the outlet. The gas delivery body may be configured to be coupled to the tufting machine such that the outlet is positioned proximate to the portion of the tufting machine.

The utility model discloses an embroidery machine spool color identification and prompt device, which comprises a support shaft, one end of the support shaft is coaxially and fixedly connected with an installation screw rod, the joint of the support shaft and the installation screw rod is respectively and fixedly connected with a plurality of support strips and a support frame, the support frame is provided with a receiving port in a penetrating manner, and the receiving port is provided with a plurality of through holes. A supporting cylinder is rotationally installed at the top of one end in the storage opening, one end of a hinge plate is fixed to the supporting cylinder, a color recognition sensor is fixedly installed at the other end of the hinge plate, and a loudspeaker is fixedly installed on the side, close to the supporting cylinder, of the hinge plate; a spring is arranged on one side in the supporting cylinder, one end of the spring is fixedly connected with the inner wall of the containing opening, the other end of the spring abuts against one end of a switching knob, the switching knob is movably connected with the supporting cylinder in a sleeved mode, one end of the switching knob movably penetrates out of the supporting frame, and the switching knob is matched with the supporting cylinder and the supporting frame in a clamped mode.

The application discloses a kind of embroidery textile production quality detection methods based on data analysis, it is related to intelligent textile technical field, including, real-time acquisition embroidery production line multi-source sensor data, time stamp synchronization and normalization processing are carried out through Internet of Things edge node, output structured process flow data;Structured process flow data is dynamically constructed process causal diagram model based on it, embroider line batch quality, needle speed parameter and environmental temperature and humidity parameter are as node, bayesian conditional probability is as edge weight, the causal effect value of needle speed parameter to broken needle defect is calculated through do-calculus;According to dynamic parameter adjustment instruction, needle speed parameter and embroider line tension value are real-time regulated, and simultaneously, through fuse signal, fault embroidery machine table coordinate is synchronized to operation and maintenance terminal.The application is accurately quantified the causal influence intensity of needle speed parameter and environmental temperature and humidity interaction through bayesian conditional probability and do-calculus framework.